diff options
Diffstat (limited to 'target')
18 files changed, 24 insertions, 44508 deletions
diff --git a/target/linux/generic-2.4/patches/608-netfilter_ipset.patch b/target/linux/generic-2.4/patches/608-netfilter_ipset.patch deleted file mode 100644 index 7020866005..0000000000 --- a/target/linux/generic-2.4/patches/608-netfilter_ipset.patch +++ /dev/null @@ -1,5702 +0,0 @@ ---- a/Documentation/Configure.help -+++ b/Documentation/Configure.help -@@ -3231,6 +3231,75 @@ CONFIG_IP_NF_TARGET_CLASSIFY - If you want to compile it as a module, say M here and read - Documentation/modules.txt. If unsure, say `N'. - -+IP set support -+CONFIG_IP_NF_SET -+ This option adds IP set support to the kernel. -+ -+ In order to define and use sets, you need userlevel utilities: an -+ iptables binary which knows about IP sets and the program ipset(8), -+ by which you can define and setup the sets themselves. -+ -+ If you want to compile it as a module, say M here and read -+ <file:Documentation/modules.txt>. If unsure, say `N'. -+ -+set match support -+CONFIG_IP_NF_MATCH_SET -+ This option adds IP set match support. -+ You need the ipset utility to create and set up the sets. -+ -+ If you want to compile it as a module, say M here and read -+ <file:Documentation/modules.txt>. If unsure, say `N'. -+ -+SET target support -+CONFIG_IP_NF_TARGET_SET -+ This option adds IP set target support. -+ You need the ipset utility to create and set up the sets. -+ -+ If you want to compile it as a module, say M here and read -+ <file:Documentation/modules.txt>. If unsure, say `N'. -+ -+ipmap set type support -+CONFIG_IP_NF_SET_IPMAP -+ This option adds the ipmap set type support. -+ -+ If you want to compile it as a module, say M here and read -+ <file:Documentation/modules.txt>. If unsure, say `N'. -+ -+macipmap set type support -+CONFIG_IP_NF_SET_MACIPMAP -+ This option adds the macipmap set type support. -+ -+ If you want to compile it as a module, say M here and read -+ <file:Documentation/modules.txt>. If unsure, say `N'. -+ -+portmap set type support -+CONFIG_IP_NF_SET_PORTMAP -+ This option adds the portmap set type support. -+ -+ If you want to compile it as a module, say M here and read -+ <file:Documentation/modules.txt>. If unsure, say `N'. -+ -+iphash set type support -+CONFIG_IP_NF_SET_IPHASH -+ This option adds the iphash set type support. -+ -+ If you want to compile it as a module, say M here and read -+ <file:Documentation/modules.txt>. If unsure, say `N'. -+ -+nethash set type support -+CONFIG_IP_NF_SET_NETHASH -+ This option adds the nethash set type support. -+ -+ If you want to compile it as a module, say M here and read -+ <file:Documentation/modules.txt>. If unsure, say `N'. -+ -+iptree set type support -+CONFIG_IP_NF_SET_IPTREE -+ This option adds the iptree set type support. -+ -+ If you want to compile it as a module, say M here and read -+ <file:Documentation/modules.txt>. If unsure, say `N'. -+ - TTL target support - CONFIG_IP_NF_TARGET_TTL - This option adds a `TTL' target, which enables the user to set ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set.h -@@ -0,0 +1,489 @@ -+#ifndef _IP_SET_H -+#define _IP_SET_H -+ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Martin Josefsson <gandalf@wlug.westbo.se> -+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* -+ * A sockopt of such quality has hardly ever been seen before on the open -+ * market! This little beauty, hardly ever used: above 64, so it's -+ * traditionally used for firewalling, not touched (even once!) by the -+ * 2.0, 2.2 and 2.4 kernels! -+ * -+ * Comes with its own certificate of authenticity, valid anywhere in the -+ * Free world! -+ * -+ * Rusty, 19.4.2000 -+ */ -+#define SO_IP_SET 83 -+ -+/* -+ * Heavily modify by Joakim Axelsson 08.03.2002 -+ * - Made it more modulebased -+ * -+ * Additional heavy modifications by Jozsef Kadlecsik 22.02.2004 -+ * - bindings added -+ * - in order to "deal with" backward compatibility, renamed to ipset -+ */ -+ -+/* -+ * Used so that the kernel module and ipset-binary can match their versions -+ */ -+#define IP_SET_PROTOCOL_VERSION 2 -+ -+#define IP_SET_MAXNAMELEN 32 /* set names and set typenames */ -+ -+/* Lets work with our own typedef for representing an IP address. -+ * We hope to make the code more portable, possibly to IPv6... -+ * -+ * The representation works in HOST byte order, because most set types -+ * will perform arithmetic operations and compare operations. -+ * -+ * For now the type is an uint32_t. -+ * -+ * Make sure to ONLY use the functions when translating and parsing -+ * in order to keep the host byte order and make it more portable: -+ * parse_ip() -+ * parse_mask() -+ * parse_ipandmask() -+ * ip_tostring() -+ * (Joakim: where are they???) -+ */ -+ -+typedef uint32_t ip_set_ip_t; -+ -+/* Sets are identified by an id in kernel space. Tweak with ip_set_id_t -+ * and IP_SET_INVALID_ID if you want to increase the max number of sets. -+ */ -+typedef uint16_t ip_set_id_t; -+ -+#define IP_SET_INVALID_ID 65535 -+ -+/* How deep we follow bindings */ -+#define IP_SET_MAX_BINDINGS 6 -+ -+/* -+ * Option flags for kernel operations (ipt_set_info) -+ */ -+#define IPSET_SRC 0x01 /* Source match/add */ -+#define IPSET_DST 0x02 /* Destination match/add */ -+#define IPSET_MATCH_INV 0x04 /* Inverse matching */ -+ -+/* -+ * Set types (flavours) -+ */ -+#define IPSET_TYPE_IP 0 /* IP address type of set */ -+#define IPSET_TYPE_PORT 1 /* Port type of set */ -+ -+/* Reserved keywords */ -+#define IPSET_TOKEN_DEFAULT ":default:" -+#define IPSET_TOKEN_ALL ":all:" -+ -+/* SO_IP_SET operation constants, and their request struct types. -+ * -+ * Operation ids: -+ * 0-99: commands with version checking -+ * 100-199: add/del/test/bind/unbind -+ * 200-299: list, save, restore -+ */ -+ -+/* Single shot operations: -+ * version, create, destroy, flush, rename and swap -+ * -+ * Sets are identified by name. -+ */ -+ -+#define IP_SET_REQ_STD \ -+ unsigned op; \ -+ unsigned version; \ -+ char name[IP_SET_MAXNAMELEN] -+ -+#define IP_SET_OP_CREATE 0x00000001 /* Create a new (empty) set */ -+struct ip_set_req_create { -+ IP_SET_REQ_STD; -+ char typename[IP_SET_MAXNAMELEN]; -+}; -+ -+#define IP_SET_OP_DESTROY 0x00000002 /* Remove a (empty) set */ -+struct ip_set_req_std { -+ IP_SET_REQ_STD; -+}; -+ -+#define IP_SET_OP_FLUSH 0x00000003 /* Remove all IPs in a set */ -+/* Uses ip_set_req_std */ -+ -+#define IP_SET_OP_RENAME 0x00000004 /* Rename a set */ -+/* Uses ip_set_req_create */ -+ -+#define IP_SET_OP_SWAP 0x00000005 /* Swap two sets */ -+/* Uses ip_set_req_create */ -+ -+union ip_set_name_index { -+ char name[IP_SET_MAXNAMELEN]; -+ ip_set_id_t index; -+}; -+ -+#define IP_SET_OP_GET_BYNAME 0x00000006 /* Get set index by name */ -+struct ip_set_req_get_set { -+ unsigned op; -+ unsigned version; -+ union ip_set_name_index set; -+}; -+ -+#define IP_SET_OP_GET_BYINDEX 0x00000007 /* Get set name by index */ -+/* Uses ip_set_req_get_set */ -+ -+#define IP_SET_OP_VERSION 0x00000100 /* Ask kernel version */ -+struct ip_set_req_version { -+ unsigned op; -+ unsigned version; -+}; -+ -+/* Double shots operations: -+ * add, del, test, bind and unbind. -+ * -+ * First we query the kernel to get the index and type of the target set, -+ * then issue the command. Validity of IP is checked in kernel in order -+ * to minimalize sockopt operations. -+ */ -+ -+/* Get minimal set data for add/del/test/bind/unbind IP */ -+#define IP_SET_OP_ADT_GET 0x00000010 /* Get set and type */ -+struct ip_set_req_adt_get { -+ unsigned op; -+ unsigned version; -+ union ip_set_name_index set; -+ char typename[IP_SET_MAXNAMELEN]; -+}; -+ -+#define IP_SET_REQ_BYINDEX \ -+ unsigned op; \ -+ ip_set_id_t index; -+ -+struct ip_set_req_adt { -+ IP_SET_REQ_BYINDEX; -+}; -+ -+#define IP_SET_OP_ADD_IP 0x00000101 /* Add an IP to a set */ -+/* Uses ip_set_req_adt, with type specific addage */ -+ -+#define IP_SET_OP_DEL_IP 0x00000102 /* Remove an IP from a set */ -+/* Uses ip_set_req_adt, with type specific addage */ -+ -+#define IP_SET_OP_TEST_IP 0x00000103 /* Test an IP in a set */ -+/* Uses ip_set_req_adt, with type specific addage */ -+ -+#define IP_SET_OP_BIND_SET 0x00000104 /* Bind an IP to a set */ -+/* Uses ip_set_req_bind, with type specific addage */ -+struct ip_set_req_bind { -+ IP_SET_REQ_BYINDEX; -+ char binding[IP_SET_MAXNAMELEN]; -+}; -+ -+#define IP_SET_OP_UNBIND_SET 0x00000105 /* Unbind an IP from a set */ -+/* Uses ip_set_req_bind, with type speficic addage -+ * index = 0 means unbinding for all sets */ -+ -+#define IP_SET_OP_TEST_BIND_SET 0x00000106 /* Test binding an IP to a set */ -+/* Uses ip_set_req_bind, with type specific addage */ -+ -+/* Multiple shots operations: list, save, restore. -+ * -+ * - check kernel version and query the max number of sets -+ * - get the basic information on all sets -+ * and size required for the next step -+ * - get actual set data: header, data, bindings -+ */ -+ -+/* Get max_sets and the index of a queried set -+ */ -+#define IP_SET_OP_MAX_SETS 0x00000020 -+struct ip_set_req_max_sets { -+ unsigned op; -+ unsigned version; -+ ip_set_id_t max_sets; /* max_sets */ -+ ip_set_id_t sets; /* real number of sets */ -+ union ip_set_name_index set; /* index of set if name used */ -+}; -+ -+/* Get the id and name of the sets plus size for next step */ -+#define IP_SET_OP_LIST_SIZE 0x00000201 -+#define IP_SET_OP_SAVE_SIZE 0x00000202 -+struct ip_set_req_setnames { -+ unsigned op; -+ ip_set_id_t index; /* set to list/save */ -+ size_t size; /* size to get setdata/bindings */ -+ /* followed by sets number of struct ip_set_name_list */ -+}; -+ -+struct ip_set_name_list { -+ char name[IP_SET_MAXNAMELEN]; -+ char typename[IP_SET_MAXNAMELEN]; -+ ip_set_id_t index; -+ ip_set_id_t id; -+}; -+ -+/* The actual list operation */ -+#define IP_SET_OP_LIST 0x00000203 -+struct ip_set_req_list { -+ IP_SET_REQ_BYINDEX; -+ /* sets number of struct ip_set_list in reply */ -+}; -+ -+struct ip_set_list { -+ ip_set_id_t index; -+ ip_set_id_t binding; -+ u_int32_t ref; -+ size_t header_size; /* Set header data of header_size */ -+ size_t members_size; /* Set members data of members_size */ -+ size_t bindings_size; /* Set bindings data of bindings_size */ -+}; -+ -+struct ip_set_hash_list { -+ ip_set_ip_t ip; -+ ip_set_id_t binding; -+}; -+ -+/* The save operation */ -+#define IP_SET_OP_SAVE 0x00000204 -+/* Uses ip_set_req_list, in the reply replaced by -+ * sets number of struct ip_set_save plus a marker -+ * ip_set_save followed by ip_set_hash_save structures. -+ */ -+struct ip_set_save { -+ ip_set_id_t index; -+ ip_set_id_t binding; -+ size_t header_size; /* Set header data of header_size */ -+ size_t members_size; /* Set members data of members_size */ -+}; -+ -+/* At restoring, ip == 0 means default binding for the given set: */ -+struct ip_set_hash_save { -+ ip_set_ip_t ip; -+ ip_set_id_t id; -+ ip_set_id_t binding; -+}; -+ -+/* The restore operation */ -+#define IP_SET_OP_RESTORE 0x00000205 -+/* Uses ip_set_req_setnames followed by ip_set_restore structures -+ * plus a marker ip_set_restore, followed by ip_set_hash_save -+ * structures. -+ */ -+struct ip_set_restore { -+ char name[IP_SET_MAXNAMELEN]; -+ char typename[IP_SET_MAXNAMELEN]; -+ ip_set_id_t index; -+ size_t header_size; /* Create data of header_size */ -+ size_t members_size; /* Set members data of members_size */ -+}; -+ -+static inline int bitmap_bytes(ip_set_ip_t a, ip_set_ip_t b) -+{ -+ return 4 * ((((b - a + 8) / 8) + 3) / 4); -+} -+ -+#ifdef __KERNEL__ -+ -+#define ip_set_printk(format, args...) \ -+ do { \ -+ printk("%s: %s: ", __FILE__, __FUNCTION__); \ -+ printk(format "\n" , ## args); \ -+ } while (0) -+ -+#if defined(IP_SET_DEBUG) -+#define DP(format, args...) \ -+ do { \ -+ printk("%s: %s (DBG): ", __FILE__, __FUNCTION__);\ -+ printk(format "\n" , ## args); \ -+ } while (0) -+#define IP_SET_ASSERT(x) \ -+ do { \ -+ if (!(x)) \ -+ printk("IP_SET_ASSERT: %s:%i(%s)\n", \ -+ __FILE__, __LINE__, __FUNCTION__); \ -+ } while (0) -+#else -+#define DP(format, args...) -+#define IP_SET_ASSERT(x) -+#endif -+ -+struct ip_set; -+ -+/* -+ * The ip_set_type definition - one per set type, e.g. "ipmap". -+ * -+ * Each individual set has a pointer, set->type, going to one -+ * of these structures. Function pointers inside the structure implement -+ * the real behaviour of the sets. -+ * -+ * If not mentioned differently, the implementation behind the function -+ * pointers of a set_type, is expected to return 0 if ok, and a negative -+ * errno (e.g. -EINVAL) on error. -+ */ -+struct ip_set_type { -+ struct list_head list; /* next in list of set types */ -+ -+ /* test for IP in set (kernel: iptables -m set src|dst) -+ * return 0 if not in set, 1 if in set. -+ */ -+ int (*testip_kernel) (struct ip_set *set, -+ const struct sk_buff * skb, -+ u_int32_t flags, -+ ip_set_ip_t *ip); -+ -+ /* test for IP in set (userspace: ipset -T set IP) -+ * return 0 if not in set, 1 if in set. -+ */ -+ int (*testip) (struct ip_set *set, -+ const void *data, size_t size, -+ ip_set_ip_t *ip); -+ -+ /* -+ * Size of the data structure passed by when -+ * adding/deletin/testing an entry. -+ */ -+ size_t reqsize; -+ -+ /* Add IP into set (userspace: ipset -A set IP) -+ * Return -EEXIST if the address is already in the set, -+ * and -ERANGE if the address lies outside the set bounds. -+ * If the address was not already in the set, 0 is returned. -+ */ -+ int (*addip) (struct ip_set *set, -+ const void *data, size_t size, -+ ip_set_ip_t *ip); -+ -+ /* Add IP into set (kernel: iptables ... -j SET set src|dst) -+ * Return -EEXIST if the address is already in the set, -+ * and -ERANGE if the address lies outside the set bounds. -+ * If the address was not already in the set, 0 is returned. -+ */ -+ int (*addip_kernel) (struct ip_set *set, -+ const struct sk_buff * skb, -+ u_int32_t flags, -+ ip_set_ip_t *ip); -+ -+ /* remove IP from set (userspace: ipset -D set --entry x) -+ * Return -EEXIST if the address is NOT in the set, -+ * and -ERANGE if the address lies outside the set bounds. -+ * If the address really was in the set, 0 is returned. -+ */ -+ int (*delip) (struct ip_set *set, -+ const void *data, size_t size, -+ ip_set_ip_t *ip); -+ -+ /* remove IP from set (kernel: iptables ... -j SET --entry x) -+ * Return -EEXIST if the address is NOT in the set, -+ * and -ERANGE if the address lies outside the set bounds. -+ * If the address really was in the set, 0 is returned. -+ */ -+ int (*delip_kernel) (struct ip_set *set, -+ const struct sk_buff * skb, -+ u_int32_t flags, -+ ip_set_ip_t *ip); -+ -+ /* new set creation - allocated type specific items -+ */ -+ int (*create) (struct ip_set *set, -+ const void *data, size_t size); -+ -+ /* retry the operation after successfully tweaking the set -+ */ -+ int (*retry) (struct ip_set *set); -+ -+ /* set destruction - free type specific items -+ * There is no return value. -+ * Can be called only when child sets are destroyed. -+ */ -+ void (*destroy) (struct ip_set *set); -+ -+ /* set flushing - reset all bits in the set, or something similar. -+ * There is no return value. -+ */ -+ void (*flush) (struct ip_set *set); -+ -+ /* Listing: size needed for header -+ */ -+ size_t header_size; -+ -+ /* Listing: Get the header -+ * -+ * Fill in the information in "data". -+ * This function is always run after list_header_size() under a -+ * writelock on the set. Therefor is the length of "data" always -+ * correct. -+ */ -+ void (*list_header) (const struct ip_set *set, -+ void *data); -+ -+ /* Listing: Get the size for the set members -+ */ -+ int (*list_members_size) (const struct ip_set *set); -+ -+ /* Listing: Get the set members -+ * -+ * Fill in the information in "data". -+ * This function is always run after list_member_size() under a -+ * writelock on the set. Therefor is the length of "data" always -+ * correct. -+ */ -+ void (*list_members) (const struct ip_set *set, -+ void *data); -+ -+ char typename[IP_SET_MAXNAMELEN]; -+ char typecode; -+ int protocol_version; -+ -+ /* Set this to THIS_MODULE if you are a module, otherwise NULL */ -+ struct module *me; -+}; -+ -+extern int ip_set_register_set_type(struct ip_set_type *set_type); -+extern void ip_set_unregister_set_type(struct ip_set_type *set_type); -+ -+/* A generic ipset */ -+struct ip_set { -+ char name[IP_SET_MAXNAMELEN]; /* the name of the set */ -+ rwlock_t lock; /* lock for concurrency control */ -+ ip_set_id_t id; /* set id for swapping */ -+ ip_set_id_t binding; /* default binding for the set */ -+ atomic_t ref; /* in kernel and in hash references */ -+ struct ip_set_type *type; /* the set types */ -+ void *data; /* pooltype specific data */ -+}; -+ -+/* Structure to bind set elements to sets */ -+struct ip_set_hash { -+ struct list_head list; /* list of clashing entries in hash */ -+ ip_set_ip_t ip; /* ip from set */ -+ ip_set_id_t id; /* set id */ -+ ip_set_id_t binding; /* set we bind the element to */ -+}; -+ -+/* register and unregister set references */ -+extern ip_set_id_t ip_set_get_byname(const char name[IP_SET_MAXNAMELEN]); -+extern ip_set_id_t ip_set_get_byindex(ip_set_id_t id); -+extern void ip_set_put(ip_set_id_t id); -+ -+/* API for iptables set match, and SET target */ -+extern void ip_set_addip_kernel(ip_set_id_t id, -+ const struct sk_buff *skb, -+ const u_int32_t *flags); -+extern void ip_set_delip_kernel(ip_set_id_t id, -+ const struct sk_buff *skb, -+ const u_int32_t *flags); -+extern int ip_set_testip_kernel(ip_set_id_t id, -+ const struct sk_buff *skb, -+ const u_int32_t *flags); -+ -+#endif /* __KERNEL__ */ -+ -+#endif /*_IP_SET_H*/ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_iphash.h -@@ -0,0 +1,30 @@ -+#ifndef __IP_SET_IPHASH_H -+#define __IP_SET_IPHASH_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+#define SETTYPE_NAME "iphash" -+#define MAX_RANGE 0x0000FFFF -+ -+struct ip_set_iphash { -+ ip_set_ip_t *members; /* the iphash proper */ -+ uint32_t initval; /* initval for jhash_1word */ -+ uint32_t prime; /* prime for double hashing */ -+ uint32_t hashsize; /* hash size */ -+ uint16_t probes; /* max number of probes */ -+ uint16_t resize; /* resize factor in percent */ -+ ip_set_ip_t netmask; /* netmask */ -+}; -+ -+struct ip_set_req_iphash_create { -+ uint32_t hashsize; -+ uint16_t probes; -+ uint16_t resize; -+ ip_set_ip_t netmask; -+}; -+ -+struct ip_set_req_iphash { -+ ip_set_ip_t ip; -+}; -+ -+#endif /* __IP_SET_IPHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_ipmap.h -@@ -0,0 +1,56 @@ -+#ifndef __IP_SET_IPMAP_H -+#define __IP_SET_IPMAP_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+#define SETTYPE_NAME "ipmap" -+#define MAX_RANGE 0x0000FFFF -+ -+struct ip_set_ipmap { -+ void *members; /* the ipmap proper */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ ip_set_ip_t netmask; /* subnet netmask */ -+ ip_set_ip_t sizeid; /* size of set in IPs */ -+ u_int16_t hosts; /* number of hosts in a subnet */ -+}; -+ -+struct ip_set_req_ipmap_create { -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+ ip_set_ip_t netmask; -+}; -+ -+struct ip_set_req_ipmap { -+ ip_set_ip_t ip; -+}; -+ -+unsigned int -+mask_to_bits(ip_set_ip_t mask) -+{ -+ unsigned int bits = 32; -+ ip_set_ip_t maskaddr; -+ -+ if (mask == 0xFFFFFFFF) -+ return bits; -+ -+ maskaddr = 0xFFFFFFFE; -+ while (--bits >= 0 && maskaddr != mask) -+ maskaddr <<= 1; -+ -+ return bits; -+} -+ -+ip_set_ip_t -+range_to_mask(ip_set_ip_t from, ip_set_ip_t to, unsigned int *bits) -+{ -+ ip_set_ip_t mask = 0xFFFFFFFE; -+ -+ *bits = 32; -+ while (--(*bits) >= 0 && mask && (to & mask) != from) -+ mask <<= 1; -+ -+ return mask; -+} -+ -+#endif /* __IP_SET_IPMAP_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_iptree.h -@@ -0,0 +1,39 @@ -+#ifndef __IP_SET_IPTREE_H -+#define __IP_SET_IPTREE_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+#define SETTYPE_NAME "iptree" -+#define MAX_RANGE 0x0000FFFF -+ -+struct ip_set_iptreed { -+ unsigned long expires[255]; /* x.x.x.ADDR */ -+}; -+ -+struct ip_set_iptreec { -+ struct ip_set_iptreed *tree[255]; /* x.x.ADDR.* */ -+}; -+ -+struct ip_set_iptreeb { -+ struct ip_set_iptreec *tree[255]; /* x.ADDR.*.* */ -+}; -+ -+struct ip_set_iptree { -+ unsigned int timeout; -+ unsigned int gc_interval; -+#ifdef __KERNEL__ -+ struct timer_list gc; -+ struct ip_set_iptreeb *tree[255]; /* ADDR.*.*.* */ -+#endif -+}; -+ -+struct ip_set_req_iptree_create { -+ unsigned int timeout; -+}; -+ -+struct ip_set_req_iptree { -+ ip_set_ip_t ip; -+ unsigned int timeout; -+}; -+ -+#endif /* __IP_SET_IPTREE_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_jhash.h -@@ -0,0 +1,148 @@ -+#ifndef _LINUX_IPSET_JHASH_H -+#define _LINUX_IPSET_JHASH_H -+ -+/* This is a copy of linux/jhash.h but the types u32/u8 are changed -+ * to __u32/__u8 so that the header file can be included into -+ * userspace code as well. Jozsef Kadlecsik (kadlec@blackhole.kfki.hu) -+ */ -+ -+/* jhash.h: Jenkins hash support. -+ * -+ * Copyright (C) 1996 Bob Jenkins (bob_jenkins@burtleburtle.net) -+ * -+ * http://burtleburtle.net/bob/hash/ -+ * -+ * These are the credits from Bob's sources: -+ * -+ * lookup2.c, by Bob Jenkins, December 1996, Public Domain. -+ * hash(), hash2(), hash3, and mix() are externally useful functions. -+ * Routines to test the hash are included if SELF_TEST is defined. -+ * You can use this free for any purpose. It has no warranty. -+ * -+ * Copyright (C) 2003 David S. Miller (davem@redhat.com) -+ * -+ * I've modified Bob's hash to be useful in the Linux kernel, and -+ * any bugs present are surely my fault. -DaveM -+ */ -+ -+/* NOTE: Arguments are modified. */ -+#define __jhash_mix(a, b, c) \ -+{ \ -+ a -= b; a -= c; a ^= (c>>13); \ -+ b -= c; b -= a; b ^= (a<<8); \ -+ c -= a; c -= b; c ^= (b>>13); \ -+ a -= b; a -= c; a ^= (c>>12); \ -+ b -= c; b -= a; b ^= (a<<16); \ -+ c -= a; c -= b; c ^= (b>>5); \ -+ a -= b; a -= c; a ^= (c>>3); \ -+ b -= c; b -= a; b ^= (a<<10); \ -+ c -= a; c -= b; c ^= (b>>15); \ -+} -+ -+/* The golden ration: an arbitrary value */ -+#define JHASH_GOLDEN_RATIO 0x9e3779b9 -+ -+/* The most generic version, hashes an arbitrary sequence -+ * of bytes. No alignment or length assumptions are made about -+ * the input key. -+ */ -+static inline __u32 jhash(void *key, __u32 length, __u32 initval) -+{ -+ __u32 a, b, c, len; -+ __u8 *k = key; -+ -+ len = length; -+ a = b = JHASH_GOLDEN_RATIO; -+ c = initval; -+ -+ while (len >= 12) { -+ a += (k[0] +((__u32)k[1]<<8) +((__u32)k[2]<<16) +((__u32)k[3]<<24)); -+ b += (k[4] +((__u32)k[5]<<8) +((__u32)k[6]<<16) +((__u32)k[7]<<24)); -+ c += (k[8] +((__u32)k[9]<<8) +((__u32)k[10]<<16)+((__u32)k[11]<<24)); -+ -+ __jhash_mix(a,b,c); -+ -+ k += 12; -+ len -= 12; -+ } -+ -+ c += length; -+ switch (len) { -+ case 11: c += ((__u32)k[10]<<24); -+ case 10: c += ((__u32)k[9]<<16); -+ case 9 : c += ((__u32)k[8]<<8); -+ case 8 : b += ((__u32)k[7]<<24); -+ case 7 : b += ((__u32)k[6]<<16); -+ case 6 : b += ((__u32)k[5]<<8); -+ case 5 : b += k[4]; -+ case 4 : a += ((__u32)k[3]<<24); -+ case 3 : a += ((__u32)k[2]<<16); -+ case 2 : a += ((__u32)k[1]<<8); -+ case 1 : a += k[0]; -+ }; -+ -+ __jhash_mix(a,b,c); -+ -+ return c; -+} -+ -+/* A special optimized version that handles 1 or more of __u32s. -+ * The length parameter here is the number of __u32s in the key. -+ */ -+static inline __u32 jhash2(__u32 *k, __u32 length, __u32 initval) -+{ -+ __u32 a, b, c, len; -+ -+ a = b = JHASH_GOLDEN_RATIO; -+ c = initval; -+ len = length; -+ -+ while (len >= 3) { -+ a += k[0]; -+ b += k[1]; -+ c += k[2]; -+ __jhash_mix(a, b, c); -+ k += 3; len -= 3; -+ } -+ -+ c += length * 4; -+ -+ switch (len) { -+ case 2 : b += k[1]; -+ case 1 : a += k[0]; -+ }; -+ -+ __jhash_mix(a,b,c); -+ -+ return c; -+} -+ -+ -+/* A special ultra-optimized versions that knows they are hashing exactly -+ * 3, 2 or 1 word(s). -+ * -+ * NOTE: In partilar the "c += length; __jhash_mix(a,b,c);" normally -+ * done at the end is not done here. -+ */ -+static inline __u32 jhash_3words(__u32 a, __u32 b, __u32 c, __u32 initval) -+{ -+ a += JHASH_GOLDEN_RATIO; -+ b += JHASH_GOLDEN_RATIO; -+ c += initval; -+ -+ __jhash_mix(a, b, c); -+ -+ return c; -+} -+ -+static inline __u32 jhash_2words(__u32 a, __u32 b, __u32 initval) -+{ -+ return jhash_3words(a, b, 0, initval); -+} -+ -+static inline __u32 jhash_1word(__u32 a, __u32 initval) -+{ -+ return jhash_3words(a, 0, 0, initval); -+} -+ -+#endif /* _LINUX_IPSET_JHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_macipmap.h -@@ -0,0 +1,38 @@ -+#ifndef __IP_SET_MACIPMAP_H -+#define __IP_SET_MACIPMAP_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+#define SETTYPE_NAME "macipmap" -+#define MAX_RANGE 0x0000FFFF -+ -+/* general flags */ -+#define IPSET_MACIP_MATCHUNSET 1 -+ -+/* per ip flags */ -+#define IPSET_MACIP_ISSET 1 -+ -+struct ip_set_macipmap { -+ void *members; /* the macipmap proper */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ u_int32_t flags; -+}; -+ -+struct ip_set_req_macipmap_create { -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+ u_int32_t flags; -+}; -+ -+struct ip_set_req_macipmap { -+ ip_set_ip_t ip; -+ unsigned char ethernet[ETH_ALEN]; -+}; -+ -+struct ip_set_macip { -+ unsigned short flags; -+ unsigned char ethernet[ETH_ALEN]; -+}; -+ -+#endif /* __IP_SET_MACIPMAP_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_malloc.h -@@ -0,0 +1,27 @@ -+#ifndef _IP_SET_MALLOC_H -+#define _IP_SET_MALLOC_H -+ -+#ifdef __KERNEL__ -+ -+/* Memory allocation and deallocation */ -+static size_t max_malloc_size = 131072; /* Guaranteed: slab.c */ -+ -+static inline void * ip_set_malloc(size_t bytes) -+{ -+ if (bytes > max_malloc_size) -+ return vmalloc(bytes); -+ else -+ return kmalloc(bytes, GFP_KERNEL); -+} -+ -+static inline void ip_set_free(void * data, size_t bytes) -+{ -+ if (bytes > max_malloc_size) -+ vfree(data); -+ else -+ kfree(data); -+} -+ -+#endif /* __KERNEL__ */ -+ -+#endif /*_IP_SET_MALLOC_H*/ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_nethash.h -@@ -0,0 +1,55 @@ -+#ifndef __IP_SET_NETHASH_H -+#define __IP_SET_NETHASH_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+#define SETTYPE_NAME "nethash" -+#define MAX_RANGE 0x0000FFFF -+ -+struct ip_set_nethash { -+ ip_set_ip_t *members; /* the nethash proper */ -+ uint32_t initval; /* initval for jhash_1word */ -+ uint32_t prime; /* prime for double hashing */ -+ uint32_t hashsize; /* hash size */ -+ uint16_t probes; /* max number of probes */ -+ uint16_t resize; /* resize factor in percent */ -+ unsigned char cidr[30]; /* CIDR sizes */ -+}; -+ -+struct ip_set_req_nethash_create { -+ uint32_t hashsize; -+ uint16_t probes; -+ uint16_t resize; -+}; -+ -+struct ip_set_req_nethash { -+ ip_set_ip_t ip; -+ unsigned char cidr; -+}; -+ -+static unsigned char shifts[] = {255, 253, 249, 241, 225, 193, 129, 1}; -+ -+static inline ip_set_ip_t -+pack(ip_set_ip_t ip, unsigned char cidr) -+{ -+ ip_set_ip_t addr, *paddr = &addr; -+ unsigned char n, t, *a; -+ -+ addr = htonl(ip & (0xFFFFFFFF << (32 - (cidr)))); -+#ifdef __KERNEL__ -+ DP("ip:%u.%u.%u.%u/%u", NIPQUAD(addr), cidr); -+#endif -+ n = cidr / 8; -+ t = cidr % 8; -+ a = &((unsigned char *)paddr)[n]; -+ *a = *a /(1 << (8 - t)) + shifts[t]; -+#ifdef __KERNEL__ -+ DP("n: %u, t: %u, a: %u", n, t, *a); -+ DP("ip:%u.%u.%u.%u/%u, %u.%u.%u.%u", -+ HIPQUAD(ip), cidr, NIPQUAD(addr)); -+#endif -+ -+ return ntohl(addr); -+} -+ -+#endif /* __IP_SET_NETHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_portmap.h -@@ -0,0 +1,25 @@ -+#ifndef __IP_SET_PORTMAP_H -+#define __IP_SET_PORTMAP_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+#define SETTYPE_NAME "portmap" -+#define MAX_RANGE 0x0000FFFF -+#define INVALID_PORT (MAX_RANGE + 1) -+ -+struct ip_set_portmap { -+ void *members; /* the portmap proper */ -+ ip_set_ip_t first_port; /* host byte order, included in range */ -+ ip_set_ip_t last_port; /* host byte order, included in range */ -+}; -+ -+struct ip_set_req_portmap_create { -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+}; -+ -+struct ip_set_req_portmap { -+ ip_set_ip_t port; -+}; -+ -+#endif /* __IP_SET_PORTMAP_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_prime.h -@@ -0,0 +1,34 @@ -+#ifndef __IP_SET_PRIME_H -+#define __IP_SET_PRIME_H -+ -+static inline unsigned make_prime_bound(unsigned nr) -+{ -+ unsigned long long nr64 = nr; -+ unsigned long long x = 1; -+ nr = 1; -+ while (x <= nr64) { x <<= 2; nr <<= 1; } -+ return nr; -+} -+ -+static inline int make_prime_check(unsigned nr) -+{ -+ unsigned x = 3; -+ unsigned b = make_prime_bound(nr); -+ while (x <= b) { -+ if (0 == (nr % x)) return 0; -+ x += 2; -+ } -+ return 1; -+} -+ -+static unsigned make_prime(unsigned nr) -+{ -+ if (0 == (nr & 1)) nr--; -+ while (nr > 1) { -+ if (make_prime_check(nr)) return nr; -+ nr -= 2; -+ } -+ return 2; -+} -+ -+#endif /* __IP_SET_PRIME_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ipt_set.h -@@ -0,0 +1,21 @@ -+#ifndef _IPT_SET_H -+#define _IPT_SET_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+struct ipt_set_info { -+ ip_set_id_t index; -+ u_int32_t flags[IP_SET_MAX_BINDINGS + 1]; -+}; -+ -+/* match info */ -+struct ipt_set_info_match { -+ struct ipt_set_info match_set; -+}; -+ -+struct ipt_set_info_target { -+ struct ipt_set_info add_set; -+ struct ipt_set_info del_set; -+}; -+ -+#endif /*_IPT_SET_H*/ ---- a/net/ipv4/netfilter/Config.in -+++ b/net/ipv4/netfilter/Config.in -@@ -20,6 +20,20 @@ tristate 'IP tables support (required fo - if [ "$CONFIG_IP_NF_IPTABLES" != "n" ]; then - # The simple matches. - dep_tristate ' limit match support' CONFIG_IP_NF_MATCH_LIMIT $CONFIG_IP_NF_IPTABLES -+ -+ dep_tristate ' IP set support' CONFIG_IP_NF_SET $CONFIG_IP_NF_IPTABLES -+ if [ "$CONFIG_IP_NF_SET" != "n" ]; then -+ int ' Maximum number of sets' CONFIG_IP_NF_SET_MAX 256 -+ int ' Hash size for bindings of IP sets' CONFIG_IP_NF_SET_HASHSIZE 1024 -+ dep_tristate ' set match support' CONFIG_IP_NF_MATCH_SET $CONFIG_IP_NF_SET -+ dep_tristate ' SET target support' CONFIG_IP_NF_TARGET_SET $CONFIG_IP_NF_SET -+ dep_tristate ' ipmap set type support' CONFIG_IP_NF_SET_IPMAP $CONFIG_IP_NF_SET -+ dep_tristate ' portmap set type support' CONFIG_IP_NF_SET_PORTMAP $CONFIG_IP_NF_SET -+ dep_tristate ' macipmap set type support' CONFIG_IP_NF_SET_MACIPMAP $CONFIG_IP_NF_SET -+ dep_tristate ' iphash set type support' CONFIG_IP_NF_SET_IPHASH $CONFIG_IP_NF_SET -+ dep_tristate ' nethash set type support' CONFIG_IP_NF_SET_NETHASH $CONFIG_IP_NF_SET -+ dep_tristate ' iptree set type support' CONFIG_IP_NF_SET_IPTREE $CONFIG_IP_NF_SET -+ fi - dep_tristate ' MAC address match support' CONFIG_IP_NF_MATCH_MAC $CONFIG_IP_NF_IPTABLES - dep_tristate ' Packet type match support' CONFIG_IP_NF_MATCH_PKTTYPE $CONFIG_IP_NF_IPTABLES - dep_tristate ' netfilter MARK match support' CONFIG_IP_NF_MATCH_MARK $CONFIG_IP_NF_IPTABLES ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set.c -@@ -0,0 +1,2002 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module for IP set management */ -+ -+#include <linux/config.h> -+#include <linux/module.h> -+#include <linux/kmod.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/random.h> -+#include <linux/jhash.h> -+#include <linux/netfilter_ipv4/ip_tables.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <asm/softirq.h> -+#include <asm/semaphore.h> -+#include <linux/spinlock.h> -+#include <linux/vmalloc.h> -+ -+#define ASSERT_READ_LOCK(x) /* dont use that */ -+#define ASSERT_WRITE_LOCK(x) -+#include <linux/netfilter_ipv4/listhelp.h> -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+static struct list_head set_type_list; /* all registered sets */ -+static struct ip_set **ip_set_list; /* all individual sets */ -+static DECLARE_RWLOCK(ip_set_lock); /* protects the lists and the hash */ -+static DECLARE_MUTEX(ip_set_app_mutex); /* serializes user access */ -+static ip_set_id_t ip_set_max = CONFIG_IP_NF_SET_MAX; -+static ip_set_id_t ip_set_bindings_hash_size = CONFIG_IP_NF_SET_HASHSIZE; -+static struct list_head *ip_set_hash; /* hash of bindings */ -+static unsigned int ip_set_hash_random; /* random seed */ -+ -+/* Arrgh */ -+#ifdef MODULE -+#define __MOD_INC(foo) __MOD_INC_USE_COUNT(foo) -+#define __MOD_DEC(foo) __MOD_DEC_USE_COUNT(foo) -+#define __MOD_INC_SELF MOD_INC_USE_COUNT -+#define __MOD_DEC_SELF MOD_DEC_USE_COUNT -+#else -+#define __MOD_INC(foo) -+#define __MOD_DEC(foo) -+#define __MOD_INC_SELF -+#define __MOD_DEC_SELF -+#endif -+ -+/* -+ * Sets are identified either by the index in ip_set_list or by id. -+ * The id never changes and is used to find a key in the hash. -+ * The index may change by swapping and used at all other places -+ * (set/SET netfilter modules, binding value, etc.) -+ * -+ * Userspace requests are serialized by ip_set_mutex and sets can -+ * be deleted only from userspace. Therefore ip_set_list locking -+ * must obey the following rules: -+ * -+ * - kernel requests: read and write locking mandatory -+ * - user requests: read locking optional, write locking mandatory -+ */ -+ -+static inline void -+__ip_set_get(ip_set_id_t index) -+{ -+ atomic_inc(&ip_set_list[index]->ref); -+} -+ -+static inline void -+__ip_set_put(ip_set_id_t index) -+{ -+ atomic_dec(&ip_set_list[index]->ref); -+} -+ -+/* -+ * Binding routines -+ */ -+ -+static inline int -+ip_hash_cmp(const struct ip_set_hash *set_hash, -+ ip_set_id_t id, ip_set_ip_t ip) -+{ -+ return set_hash->id == id && set_hash->ip == ip; -+} -+ -+static ip_set_id_t -+ip_set_find_in_hash(ip_set_id_t id, ip_set_ip_t ip) -+{ -+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random) -+ % ip_set_bindings_hash_size; -+ struct ip_set_hash *set_hash; -+ -+ MUST_BE_READ_LOCKED(&ip_set_lock); -+ IP_SET_ASSERT(ip_set_list[id]); -+ DP("set: %s, ip: %u.%u.%u.%u", ip_set_list[id]->name, HIPQUAD(ip)); -+ -+ set_hash = LIST_FIND(&ip_set_hash[key], ip_hash_cmp, -+ struct ip_set_hash *, id, ip); -+ -+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name, -+ HIPQUAD(ip), -+ set_hash != NULL ? ip_set_list[set_hash->binding]->name : ""); -+ -+ return (set_hash != NULL ? set_hash->binding : IP_SET_INVALID_ID); -+} -+ -+static inline void -+__set_hash_del(struct ip_set_hash *set_hash) -+{ -+ MUST_BE_WRITE_LOCKED(&ip_set_lock); -+ IP_SET_ASSERT(ip_set_list[set_hash->binding]); -+ -+ __ip_set_put(set_hash->binding); -+ list_del(&set_hash->list); -+ kfree(set_hash); -+} -+ -+static int -+ip_set_hash_del(ip_set_id_t id, ip_set_ip_t ip) -+{ -+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random) -+ % ip_set_bindings_hash_size; -+ struct ip_set_hash *set_hash; -+ -+ IP_SET_ASSERT(ip_set_list[id]); -+ DP("set: %s, ip: %u.%u.%u.%u", ip_set_list[id]->name, HIPQUAD(ip)); -+ WRITE_LOCK(&ip_set_lock); -+ set_hash = LIST_FIND(&ip_set_hash[key], ip_hash_cmp, -+ struct ip_set_hash *, id, ip); -+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name, -+ HIPQUAD(ip), -+ set_hash != NULL ? ip_set_list[set_hash->binding]->name : ""); -+ -+ if (set_hash != NULL) -+ __set_hash_del(set_hash); -+ WRITE_UNLOCK(&ip_set_lock); -+ return 0; -+} -+ -+static int -+ip_set_hash_add(ip_set_id_t id, ip_set_ip_t ip, ip_set_id_t binding) -+{ -+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random) -+ % ip_set_bindings_hash_size; -+ struct ip_set_hash *set_hash; -+ int ret = 0; -+ -+ IP_SET_ASSERT(ip_set_list[id]); -+ IP_SET_ASSERT(ip_set_list[binding]); -+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name, -+ HIPQUAD(ip), ip_set_list[binding]->name); -+ WRITE_LOCK(&ip_set_lock); -+ set_hash = LIST_FIND(&ip_set_hash[key], ip_hash_cmp, -+ struct ip_set_hash *, id, ip); -+ if (!set_hash) { -+ set_hash = kmalloc(sizeof(struct ip_set_hash), GFP_KERNEL); -+ if (!set_hash) { -+ ret = -ENOMEM; -+ goto unlock; -+ } -+ INIT_LIST_HEAD(&set_hash->list); -+ set_hash->id = id; -+ set_hash->ip = ip; -+ list_add(&ip_set_hash[key], &set_hash->list); -+ } else { -+ IP_SET_ASSERT(ip_set_list[set_hash->binding]); -+ DP("overwrite binding: %s", -+ ip_set_list[set_hash->binding]->name); -+ __ip_set_put(set_hash->binding); -+ } -+ set_hash->binding = binding; -+ __ip_set_get(set_hash->binding); -+ unlock: -+ WRITE_UNLOCK(&ip_set_lock); -+ return ret; -+} -+ -+#define FOREACH_HASH_DO(fn, args...) \ -+({ \ -+ ip_set_id_t __key; \ -+ struct ip_set_hash *__set_hash; \ -+ \ -+ for (__key = 0; __key < ip_set_bindings_hash_size; __key++) { \ -+ list_for_each_entry(__set_hash, &ip_set_hash[__key], list) \ -+ fn(__set_hash , ## args); \ -+ } \ -+}) -+ -+#define FOREACH_HASH_RW_DO(fn, args...) \ -+({ \ -+ ip_set_id_t __key; \ -+ struct ip_set_hash *__set_hash, *__n; \ -+ \ -+ MUST_BE_WRITE_LOCKED(&ip_set_lock); \ -+ for (__key = 0; __key < ip_set_bindings_hash_size; __key++) { \ -+ list_for_each_entry_safe(__set_hash, __n, &ip_set_hash[__key], list)\ -+ fn(__set_hash , ## args); \ -+ } \ -+}) -+ -+/* Add, del and test set entries from kernel */ -+ -+#define follow_bindings(index, set, ip) \ -+((index = ip_set_find_in_hash((set)->id, ip)) != IP_SET_INVALID_ID \ -+ || (index = (set)->binding) != IP_SET_INVALID_ID) -+ -+int -+ip_set_testip_kernel(ip_set_id_t index, -+ const struct sk_buff *skb, -+ const u_int32_t *flags) -+{ -+ struct ip_set *set; -+ ip_set_ip_t ip; -+ int res, i = 0; -+ -+ IP_SET_ASSERT(flags[i]); -+ READ_LOCK(&ip_set_lock); -+ do { -+ set = ip_set_list[index]; -+ IP_SET_ASSERT(set); -+ DP("set %s, index %u", set->name, index); -+ read_lock_bh(&set->lock); -+ res = set->type->testip_kernel(set, skb, flags[i], &ip); -+ read_unlock_bh(&set->lock); -+ } while (res > 0 -+ && flags[++i] -+ && follow_bindings(index, set, ip)); -+ READ_UNLOCK(&ip_set_lock); -+ -+ return res; -+} -+ -+void -+ip_set_addip_kernel(ip_set_id_t index, -+ const struct sk_buff *skb, -+ const u_int32_t *flags) -+{ -+ struct ip_set *set; -+ ip_set_ip_t ip; -+ int res, i= 0; -+ -+ IP_SET_ASSERT(flags[i]); -+ retry: -+ READ_LOCK(&ip_set_lock); -+ do { -+ set = ip_set_list[index]; -+ IP_SET_ASSERT(set); -+ DP("set %s, index %u", set->name, index); -+ write_lock_bh(&set->lock); -+ res = set->type->addip_kernel(set, skb, flags[i], &ip); -+ write_unlock_bh(&set->lock); -+ } while ((res == 0 || res == -EEXIST) -+ && flags[++i] -+ && follow_bindings(index, set, ip)); -+ READ_UNLOCK(&ip_set_lock); -+ -+ if (res == -EAGAIN -+ && set->type->retry -+ && (res = set->type->retry(set)) == 0) -+ goto retry; -+} -+ -+void -+ip_set_delip_kernel(ip_set_id_t index, -+ const struct sk_buff *skb, -+ const u_int32_t *flags) -+{ -+ struct ip_set *set; -+ ip_set_ip_t ip; -+ int res, i = 0; -+ -+ IP_SET_ASSERT(flags[i]); -+ READ_LOCK(&ip_set_lock); -+ do { -+ set = ip_set_list[index]; -+ IP_SET_ASSERT(set); -+ DP("set %s, index %u", set->name, index); -+ write_lock_bh(&set->lock); -+ res = set->type->delip_kernel(set, skb, flags[i], &ip); -+ write_unlock_bh(&set->lock); -+ } while ((res == 0 || res == -EEXIST) -+ && flags[++i] -+ && follow_bindings(index, set, ip)); -+ READ_UNLOCK(&ip_set_lock); -+} -+ -+/* Register and deregister settype */ -+ -+static inline int -+set_type_equal(const struct ip_set_type *set_type, const char *str2) -+{ -+ return !strncmp(set_type->typename, str2, IP_SET_MAXNAMELEN - 1); -+} -+ -+static inline struct ip_set_type * -+find_set_type(const char *name) -+{ -+ return LIST_FIND(&set_type_list, -+ set_type_equal, -+ struct ip_set_type *, -+ name); -+} -+ -+int -+ip_set_register_set_type(struct ip_set_type *set_type) -+{ -+ int ret = 0; -+ -+ if (set_type->protocol_version != IP_SET_PROTOCOL_VERSION) { -+ ip_set_printk("'%s' uses wrong protocol version %u (want %u)", -+ set_type->typename, -+ set_type->protocol_version, -+ IP_SET_PROTOCOL_VERSION); -+ return -EINVAL; -+ } -+ -+ WRITE_LOCK(&ip_set_lock); -+ if (find_set_type(set_type->typename)) { -+ /* Duplicate! */ -+ ip_set_printk("'%s' already registered!", -+ set_type->typename); -+ ret = -EINVAL; -+ goto unlock; -+ } -+ __MOD_INC_SELF; -+ list_append(&set_type_list, set_type); -+ DP("'%s' registered.", set_type->typename); -+ unlock: -+ WRITE_UNLOCK(&ip_set_lock); -+ return ret; -+} -+ -+void -+ip_set_unregister_set_type(struct ip_set_type *set_type) -+{ -+ WRITE_LOCK(&ip_set_lock); -+ if (!find_set_type(set_type->typename)) { -+ ip_set_printk("'%s' not registered?", -+ set_type->typename); -+ goto unlock; -+ } -+ LIST_DELETE(&set_type_list, set_type); -+ __MOD_DEC_SELF; -+ DP("'%s' unregistered.", set_type->typename); -+ unlock: -+ WRITE_UNLOCK(&ip_set_lock); -+ -+} -+ -+/* -+ * Userspace routines -+ */ -+ -+/* -+ * Find set by name, reference it once. The reference makes sure the -+ * thing pointed to, does not go away under our feet. Drop the reference -+ * later, using ip_set_put(). -+ */ -+ip_set_id_t -+ip_set_get_byname(const char *name) -+{ -+ ip_set_id_t i, index = IP_SET_INVALID_ID; -+ -+ down(&ip_set_app_mutex); -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && strcmp(ip_set_list[i]->name, name) == 0) { -+ __ip_set_get(i); -+ index = i; -+ break; -+ } -+ } -+ up(&ip_set_app_mutex); -+ return index; -+} -+ -+/* -+ * Find set by index, reference it once. The reference makes sure the -+ * thing pointed to, does not go away under our feet. Drop the reference -+ * later, using ip_set_put(). -+ */ -+ip_set_id_t -+ip_set_get_byindex(ip_set_id_t index) -+{ -+ down(&ip_set_app_mutex); -+ -+ if (index >= ip_set_max) -+ return IP_SET_INVALID_ID; -+ -+ if (ip_set_list[index]) -+ __ip_set_get(index); -+ else -+ index = IP_SET_INVALID_ID; -+ -+ up(&ip_set_app_mutex); -+ return index; -+} -+ -+/* -+ * If the given set pointer points to a valid set, decrement -+ * reference count by 1. The caller shall not assume the index -+ * to be valid, after calling this function. -+ */ -+void ip_set_put(ip_set_id_t index) -+{ -+ down(&ip_set_app_mutex); -+ if (ip_set_list[index]) -+ __ip_set_put(index); -+ up(&ip_set_app_mutex); -+} -+ -+/* Find a set by name or index */ -+static ip_set_id_t -+ip_set_find_byname(const char *name) -+{ -+ ip_set_id_t i, index = IP_SET_INVALID_ID; -+ -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && strcmp(ip_set_list[i]->name, name) == 0) { -+ index = i; -+ break; -+ } -+ } -+ return index; -+} -+ -+static ip_set_id_t -+ip_set_find_byindex(ip_set_id_t index) -+{ -+ if (index >= ip_set_max || ip_set_list[index] == NULL) -+ index = IP_SET_INVALID_ID; -+ -+ return index; -+} -+ -+/* -+ * Add, del, test, bind and unbind -+ */ -+ -+static inline int -+__ip_set_testip(struct ip_set *set, -+ const void *data, -+ size_t size, -+ ip_set_ip_t *ip) -+{ -+ int res; -+ -+ read_lock_bh(&set->lock); -+ res = set->type->testip(set, data, size, ip); -+ read_unlock_bh(&set->lock); -+ -+ return res; -+} -+ -+static int -+__ip_set_addip(ip_set_id_t index, -+ const void *data, -+ size_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ do { -+ write_lock_bh(&set->lock); -+ res = set->type->addip(set, data, size, &ip); -+ write_unlock_bh(&set->lock); -+ } while (res == -EAGAIN -+ && set->type->retry -+ && (res = set->type->retry(set)) == 0); -+ -+ return res; -+} -+ -+static int -+ip_set_addip(ip_set_id_t index, -+ const void *data, -+ size_t size) -+{ -+ -+ return __ip_set_addip(index, -+ data + sizeof(struct ip_set_req_adt), -+ size - sizeof(struct ip_set_req_adt)); -+} -+ -+static int -+ip_set_delip(ip_set_id_t index, -+ const void *data, -+ size_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ write_lock_bh(&set->lock); -+ res = set->type->delip(set, -+ data + sizeof(struct ip_set_req_adt), -+ size - sizeof(struct ip_set_req_adt), -+ &ip); -+ write_unlock_bh(&set->lock); -+ -+ return res; -+} -+ -+static int -+ip_set_testip(ip_set_id_t index, -+ const void *data, -+ size_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ res = __ip_set_testip(set, -+ data + sizeof(struct ip_set_req_adt), -+ size - sizeof(struct ip_set_req_adt), -+ &ip); -+ -+ return (res > 0 ? -EEXIST : res); -+} -+ -+static int -+ip_set_bindip(ip_set_id_t index, -+ const void *data, -+ size_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ struct ip_set_req_bind *req_bind; -+ ip_set_id_t binding; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ if (size < sizeof(struct ip_set_req_bind)) -+ return -EINVAL; -+ -+ req_bind = (struct ip_set_req_bind *) data; -+ req_bind->binding[IP_SET_MAXNAMELEN - 1] = '\0'; -+ -+ if (strcmp(req_bind->binding, IPSET_TOKEN_DEFAULT) == 0) { -+ /* Default binding of a set */ -+ char *binding_name; -+ -+ if (size != sizeof(struct ip_set_req_bind) + IP_SET_MAXNAMELEN) -+ return -EINVAL; -+ -+ binding_name = (char *)(data + sizeof(struct ip_set_req_bind)); -+ binding_name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ -+ binding = ip_set_find_byname(binding_name); -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ WRITE_LOCK(&ip_set_lock); -+ /* Sets as binding values are referenced */ -+ if (set->binding != IP_SET_INVALID_ID) -+ __ip_set_put(set->binding); -+ set->binding = binding; -+ __ip_set_get(set->binding); -+ WRITE_UNLOCK(&ip_set_lock); -+ -+ return 0; -+ } -+ binding = ip_set_find_byname(req_bind->binding); -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ res = __ip_set_testip(set, -+ data + sizeof(struct ip_set_req_bind), -+ size - sizeof(struct ip_set_req_bind), -+ &ip); -+ DP("set %s, ip: %u.%u.%u.%u, binding %s", -+ set->name, HIPQUAD(ip), ip_set_list[binding]->name); -+ -+ if (res >= 0) -+ res = ip_set_hash_add(set->id, ip, binding); -+ -+ return res; -+} -+ -+#define FOREACH_SET_DO(fn, args...) \ -+({ \ -+ ip_set_id_t __i; \ -+ struct ip_set *__set; \ -+ \ -+ for (__i = 0; __i < ip_set_max; __i++) { \ -+ __set = ip_set_list[__i]; \ -+ if (__set != NULL) \ -+ fn(__set , ##args); \ -+ } \ -+}) -+ -+static inline void -+__set_hash_del_byid(struct ip_set_hash *set_hash, ip_set_id_t id) -+{ -+ if (set_hash->id == id) -+ __set_hash_del(set_hash); -+} -+ -+static inline void -+__unbind_default(struct ip_set *set) -+{ -+ if (set->binding != IP_SET_INVALID_ID) { -+ /* Sets as binding values are referenced */ -+ __ip_set_put(set->binding); -+ set->binding = IP_SET_INVALID_ID; -+ } -+} -+ -+static int -+ip_set_unbindip(ip_set_id_t index, -+ const void *data, -+ size_t size) -+{ -+ struct ip_set *set; -+ struct ip_set_req_bind *req_bind; -+ ip_set_ip_t ip; -+ int res; -+ -+ DP(""); -+ if (size < sizeof(struct ip_set_req_bind)) -+ return -EINVAL; -+ -+ req_bind = (struct ip_set_req_bind *) data; -+ req_bind->binding[IP_SET_MAXNAMELEN - 1] = '\0'; -+ -+ DP("%u %s", index, req_bind->binding); -+ if (index == IP_SET_INVALID_ID) { -+ /* unbind :all: */ -+ if (strcmp(req_bind->binding, IPSET_TOKEN_DEFAULT) == 0) { -+ /* Default binding of sets */ -+ WRITE_LOCK(&ip_set_lock); -+ FOREACH_SET_DO(__unbind_default); -+ WRITE_UNLOCK(&ip_set_lock); -+ return 0; -+ } else if (strcmp(req_bind->binding, IPSET_TOKEN_ALL) == 0) { -+ /* Flush all bindings of all sets*/ -+ WRITE_LOCK(&ip_set_lock); -+ FOREACH_HASH_RW_DO(__set_hash_del); -+ WRITE_UNLOCK(&ip_set_lock); -+ return 0; -+ } -+ DP("unreachable reached!"); -+ return -EINVAL; -+ } -+ -+ set = ip_set_list[index]; -+ IP_SET_ASSERT(set); -+ if (strcmp(req_bind->binding, IPSET_TOKEN_DEFAULT) == 0) { -+ /* Default binding of set */ -+ ip_set_id_t binding = ip_set_find_byindex(set->binding); -+ -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ WRITE_LOCK(&ip_set_lock); -+ /* Sets in hash values are referenced */ -+ __ip_set_put(set->binding); -+ set->binding = IP_SET_INVALID_ID; -+ WRITE_UNLOCK(&ip_set_lock); -+ -+ return 0; -+ } else if (strcmp(req_bind->binding, IPSET_TOKEN_ALL) == 0) { -+ /* Flush all bindings */ -+ -+ WRITE_LOCK(&ip_set_lock); -+ FOREACH_HASH_RW_DO(__set_hash_del_byid, set->id); -+ WRITE_UNLOCK(&ip_set_lock); -+ return 0; -+ } -+ -+ res = __ip_set_testip(set, -+ data + sizeof(struct ip_set_req_bind), -+ size - sizeof(struct ip_set_req_bind), -+ &ip); -+ -+ DP("set %s, ip: %u.%u.%u.%u", set->name, HIPQUAD(ip)); -+ if (res >= 0) -+ res = ip_set_hash_del(set->id, ip); -+ -+ return res; -+} -+ -+static int -+ip_set_testbind(ip_set_id_t index, -+ const void *data, -+ size_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ struct ip_set_req_bind *req_bind; -+ ip_set_id_t binding; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ if (size < sizeof(struct ip_set_req_bind)) -+ return -EINVAL; -+ -+ req_bind = (struct ip_set_req_bind *) data; -+ req_bind->binding[IP_SET_MAXNAMELEN - 1] = '\0'; -+ -+ if (strcmp(req_bind->binding, IPSET_TOKEN_DEFAULT) == 0) { -+ /* Default binding of set */ -+ char *binding_name; -+ -+ if (size != sizeof(struct ip_set_req_bind) + IP_SET_MAXNAMELEN) -+ return -EINVAL; -+ -+ binding_name = (char *)(data + sizeof(struct ip_set_req_bind)); -+ binding_name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ -+ binding = ip_set_find_byname(binding_name); -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ res = (set->binding == binding) ? -EEXIST : 0; -+ -+ return res; -+ } -+ binding = ip_set_find_byname(req_bind->binding); -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ -+ res = __ip_set_testip(set, -+ data + sizeof(struct ip_set_req_bind), -+ size - sizeof(struct ip_set_req_bind), -+ &ip); -+ DP("set %s, ip: %u.%u.%u.%u, binding %s", -+ set->name, HIPQUAD(ip), ip_set_list[binding]->name); -+ -+ if (res >= 0) -+ res = (ip_set_find_in_hash(set->id, ip) == binding) -+ ? -EEXIST : 0; -+ -+ return res; -+} -+ -+static struct ip_set_type * -+find_set_type_rlock(const char *typename) -+{ -+ struct ip_set_type *type; -+ -+ READ_LOCK(&ip_set_lock); -+ type = find_set_type(typename); -+ if (type == NULL) -+ READ_UNLOCK(&ip_set_lock); -+ -+ return type; -+} -+ -+static int -+find_free_id(const char *name, -+ ip_set_id_t *index, -+ ip_set_id_t *id) -+{ -+ ip_set_id_t i; -+ -+ *id = IP_SET_INVALID_ID; -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] == NULL) { -+ if (*id == IP_SET_INVALID_ID) -+ *id = *index = i; -+ } else if (strcmp(name, ip_set_list[i]->name) == 0) -+ /* Name clash */ -+ return -EEXIST; -+ } -+ if (*id == IP_SET_INVALID_ID) -+ /* No free slot remained */ -+ return -ERANGE; -+ /* Check that index is usable as id (swapping) */ -+ check: -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && ip_set_list[i]->id == *id) { -+ *id = i; -+ goto check; -+ } -+ } -+ return 0; -+} -+ -+/* -+ * Create a set -+ */ -+static int -+ip_set_create(const char *name, -+ const char *typename, -+ ip_set_id_t restore, -+ const void *data, -+ size_t size) -+{ -+ struct ip_set *set; -+ ip_set_id_t index, id; -+ int res = 0; -+ -+ DP("setname: %s, typename: %s, id: %u", name, typename, restore); -+ /* -+ * First, and without any locks, allocate and initialize -+ * a normal base set structure. -+ */ -+ set = kmalloc(sizeof(struct ip_set), GFP_KERNEL); -+ if (!set) -+ return -ENOMEM; -+ set->lock = RW_LOCK_UNLOCKED; -+ strncpy(set->name, name, IP_SET_MAXNAMELEN); -+ set->binding = IP_SET_INVALID_ID; -+ atomic_set(&set->ref, 0); -+ -+ /* -+ * Next, take the &ip_set_lock, check that we know the type, -+ * and take a reference on the type, to make sure it -+ * stays available while constructing our new set. -+ * -+ * After referencing the type, we drop the &ip_set_lock, -+ * and let the new set construction run without locks. -+ */ -+ set->type = find_set_type_rlock(typename); -+ if (set->type == NULL) { -+ /* Try loading the module */ -+ char modulename[IP_SET_MAXNAMELEN + strlen("ip_set_") + 1]; -+ strcpy(modulename, "ip_set_"); -+ strcat(modulename, typename); -+ DP("try to load %s", modulename); -+ request_module(modulename); -+ set->type = find_set_type_rlock(typename); -+ } -+ if (set->type == NULL) { -+ ip_set_printk("no set type '%s', set '%s' not created", -+ typename, name); -+ kfree(set); -+ return -ENOENT; -+ } -+ __MOD_INC(set->type->me); -+ READ_UNLOCK(&ip_set_lock); -+ -+ /* -+ * Without holding any locks, create private part. -+ */ -+ res = set->type->create(set, data, size); -+ if (res != 0) { -+ __MOD_DEC(set->type->me); -+ kfree(set); -+ return res; -+ } -+ -+ /* BTW, res==0 here. */ -+ -+ /* -+ * Here, we have a valid, constructed set. &ip_set_lock again, -+ * find free id/index and check that it is not already in -+ * ip_set_list. -+ */ -+ WRITE_LOCK(&ip_set_lock); -+ if ((res = find_free_id(set->name, &index, &id)) != 0) { -+ DP("no free id!"); -+ goto cleanup; -+ } -+ -+ /* Make sure restore gets the same index */ -+ if (restore != IP_SET_INVALID_ID && index != restore) { -+ DP("Can't restore, sets are screwed up"); -+ res = -ERANGE; -+ goto cleanup; -+ } -+ -+ /* -+ * Finally! Add our shiny new set to the list, and be done. -+ */ -+ DP("create: '%s' created with index %u, id %u!", set->name, index, id); -+ set->id = id; -+ ip_set_list[index] = set; -+ WRITE_UNLOCK(&ip_set_lock); -+ return res; -+ -+ cleanup: -+ WRITE_UNLOCK(&ip_set_lock); -+ set->type->destroy(set); -+ __MOD_DEC(set->type->me); -+ kfree(set); -+ return res; -+} -+ -+/* -+ * Destroy a given existing set -+ */ -+static void -+ip_set_destroy_set(ip_set_id_t index) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ -+ IP_SET_ASSERT(set); -+ DP("set: %s", set->name); -+ WRITE_LOCK(&ip_set_lock); -+ FOREACH_HASH_RW_DO(__set_hash_del_byid, set->id); -+ if (set->binding != IP_SET_INVALID_ID) -+ __ip_set_put(set->binding); -+ ip_set_list[index] = NULL; -+ WRITE_UNLOCK(&ip_set_lock); -+ -+ /* Must call it without holding any lock */ -+ set->type->destroy(set); -+ __MOD_DEC(set->type->me); -+ kfree(set); -+} -+ -+/* -+ * Destroy a set - or all sets -+ * Sets must not be referenced/used. -+ */ -+static int -+ip_set_destroy(ip_set_id_t index) -+{ -+ ip_set_id_t i; -+ -+ /* ref modification always protected by the mutex */ -+ if (index != IP_SET_INVALID_ID) { -+ if (atomic_read(&ip_set_list[index]->ref)) -+ return -EBUSY; -+ ip_set_destroy_set(index); -+ } else { -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && (atomic_read(&ip_set_list[i]->ref))) -+ return -EBUSY; -+ } -+ -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL) -+ ip_set_destroy_set(i); -+ } -+ } -+ return 0; -+} -+ -+static void -+ip_set_flush_set(struct ip_set *set) -+{ -+ DP("set: %s %u", set->name, set->id); -+ -+ write_lock_bh(&set->lock); -+ set->type->flush(set); -+ write_unlock_bh(&set->lock); -+} -+ -+/* -+ * Flush data in a set - or in all sets -+ */ -+static int -+ip_set_flush(ip_set_id_t index) -+{ -+ if (index != IP_SET_INVALID_ID) { -+ IP_SET_ASSERT(ip_set_list[index]); -+ ip_set_flush_set(ip_set_list[index]); -+ } else -+ FOREACH_SET_DO(ip_set_flush_set); -+ -+ return 0; -+} -+ -+/* Rename a set */ -+static int -+ip_set_rename(ip_set_id_t index, const char *name) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ ip_set_id_t i; -+ int res = 0; -+ -+ DP("set: %s to %s", set->name, name); -+ WRITE_LOCK(&ip_set_lock); -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && strncmp(ip_set_list[i]->name, -+ name, -+ IP_SET_MAXNAMELEN - 1) == 0) { -+ res = -EEXIST; -+ goto unlock; -+ } -+ } -+ strncpy(set->name, name, IP_SET_MAXNAMELEN); -+ unlock: -+ WRITE_UNLOCK(&ip_set_lock); -+ return res; -+} -+ -+/* -+ * Swap two sets so that name/index points to the other. -+ * References are also swapped. -+ */ -+static int -+ip_set_swap(ip_set_id_t from_index, ip_set_id_t to_index) -+{ -+ struct ip_set *from = ip_set_list[from_index]; -+ struct ip_set *to = ip_set_list[to_index]; -+ char from_name[IP_SET_MAXNAMELEN]; -+ u_int32_t from_ref; -+ -+ DP("set: %s to %s", from->name, to->name); -+ /* Type can't be changed. Artifical restriction. */ -+ if (from->type->typecode != to->type->typecode) -+ return -ENOEXEC; -+ -+ /* No magic here: ref munging protected by the mutex */ -+ WRITE_LOCK(&ip_set_lock); -+ strncpy(from_name, from->name, IP_SET_MAXNAMELEN); -+ from_ref = atomic_read(&from->ref); -+ -+ strncpy(from->name, to->name, IP_SET_MAXNAMELEN); -+ atomic_set(&from->ref, atomic_read(&to->ref)); -+ strncpy(to->name, from_name, IP_SET_MAXNAMELEN); -+ atomic_set(&to->ref, from_ref); -+ -+ ip_set_list[from_index] = to; -+ ip_set_list[to_index] = from; -+ -+ WRITE_UNLOCK(&ip_set_lock); -+ return 0; -+} -+ -+/* -+ * List set data -+ */ -+ -+static inline void -+__set_hash_bindings_size_list(struct ip_set_hash *set_hash, -+ ip_set_id_t id, size_t *size) -+{ -+ if (set_hash->id == id) -+ *size += sizeof(struct ip_set_hash_list); -+} -+ -+static inline void -+__set_hash_bindings_size_save(struct ip_set_hash *set_hash, -+ ip_set_id_t id, size_t *size) -+{ -+ if (set_hash->id == id) -+ *size += sizeof(struct ip_set_hash_save); -+} -+ -+static inline void -+__set_hash_bindings(struct ip_set_hash *set_hash, -+ ip_set_id_t id, void *data, int *used) -+{ -+ if (set_hash->id == id) { -+ struct ip_set_hash_list *hash_list = -+ (struct ip_set_hash_list *)(data + *used); -+ -+ hash_list->ip = set_hash->ip; -+ hash_list->binding = set_hash->binding; -+ *used += sizeof(struct ip_set_hash_list); -+ } -+} -+ -+static int ip_set_list_set(ip_set_id_t index, -+ void *data, -+ int *used, -+ int len) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ struct ip_set_list *set_list; -+ -+ /* Pointer to our header */ -+ set_list = (struct ip_set_list *) (data + *used); -+ -+ DP("set: %s, used: %d %p %p", set->name, *used, data, data + *used); -+ -+ /* Get and ensure header size */ -+ if (*used + sizeof(struct ip_set_list) > len) -+ goto not_enough_mem; -+ *used += sizeof(struct ip_set_list); -+ -+ read_lock_bh(&set->lock); -+ /* Get and ensure set specific header size */ -+ set_list->header_size = set->type->header_size; -+ if (*used + set_list->header_size > len) -+ goto unlock_set; -+ -+ /* Fill in the header */ -+ set_list->index = index; -+ set_list->binding = set->binding; -+ set_list->ref = atomic_read(&set->ref); -+ -+ /* Fill in set spefific header data */ -+ DP("call list_header"); -+ set->type->list_header(set, data + *used); -+ DP("call list_header, done"); -+ *used += set_list->header_size; -+ -+ /* Get and ensure set specific members size */ -+ DP("call list_members_size"); -+ set_list->members_size = set->type->list_members_size(set); -+ DP("call list_members_size, done"); -+ if (*used + set_list->members_size > len) -+ goto unlock_set; -+ -+ /* Fill in set spefific members data */ -+ DP("call list_members"); -+ set->type->list_members(set, data + *used); -+ DP("call list_members, done"); -+ *used += set_list->members_size; -+ read_unlock_bh(&set->lock); -+ -+ /* Bindings */ -+ -+ /* Get and ensure set specific bindings size */ -+ set_list->bindings_size = 0; -+ FOREACH_HASH_DO(__set_hash_bindings_size_list, -+ set->id, &set_list->bindings_size); -+ if (*used + set_list->bindings_size > len) -+ goto not_enough_mem; -+ -+ /* Fill in set spefific bindings data */ -+ FOREACH_HASH_DO(__set_hash_bindings, set->id, data, used); -+ -+ return 0; -+ -+ unlock_set: -+ read_unlock_bh(&set->lock); -+ not_enough_mem: -+ DP("not enough mem, try again"); -+ return -EAGAIN; -+} -+ -+/* -+ * Save sets -+ */ -+static int ip_set_save_set(ip_set_id_t index, -+ void *data, -+ int *used, -+ int len) -+{ -+ struct ip_set *set; -+ struct ip_set_save *set_save; -+ -+ /* Pointer to our header */ -+ set_save = (struct ip_set_save *) (data + *used); -+ -+ /* Get and ensure header size */ -+ if (*used + sizeof(struct ip_set_save) > len) -+ goto not_enough_mem; -+ *used += sizeof(struct ip_set_save); -+ -+ set = ip_set_list[index]; -+ DP("set: %s, used: %u(%u) %p %p", set->name, *used, len, -+ data, data + *used); -+ -+ read_lock_bh(&set->lock); -+ /* Get and ensure set specific header size */ -+ set_save->header_size = set->type->header_size; -+ if (*used + set_save->header_size > len) -+ goto unlock_set; -+ -+ /* Fill in the header */ -+ set_save->index = index; -+ set_save->binding = set->binding; -+ -+ /* Fill in set spefific header data */ -+ set->type->list_header(set, data + *used); -+ *used += set_save->header_size; -+ -+ DP("set header filled: %s, used: %u %p %p", set->name, *used, -+ data, data + *used); -+ /* Get and ensure set specific members size */ -+ set_save->members_size = set->type->list_members_size(set); -+ if (*used + set_save->members_size > len) -+ goto unlock_set; -+ -+ /* Fill in set spefific members data */ -+ set->type->list_members(set, data + *used); -+ *used += set_save->members_size; -+ read_unlock_bh(&set->lock); -+ DP("set members filled: %s, used: %u %p %p", set->name, *used, -+ data, data + *used); -+ return 0; -+ -+ unlock_set: -+ read_unlock_bh(&set->lock); -+ not_enough_mem: -+ DP("not enough mem, try again"); -+ return -EAGAIN; -+} -+ -+static inline void -+__set_hash_save_bindings(struct ip_set_hash *set_hash, -+ ip_set_id_t id, -+ void *data, -+ int *used, -+ int len, -+ int *res) -+{ -+ if (*res == 0 -+ && (id == IP_SET_INVALID_ID || set_hash->id == id)) { -+ struct ip_set_hash_save *hash_save = -+ (struct ip_set_hash_save *)(data + *used); -+ /* Ensure bindings size */ -+ if (*used + sizeof(struct ip_set_hash_save) > len) { -+ *res = -ENOMEM; -+ return; -+ } -+ hash_save->id = set_hash->id; -+ hash_save->ip = set_hash->ip; -+ hash_save->binding = set_hash->binding; -+ *used += sizeof(struct ip_set_hash_save); -+ } -+} -+ -+static int ip_set_save_bindings(ip_set_id_t index, -+ void *data, -+ int *used, -+ int len) -+{ -+ int res = 0; -+ struct ip_set_save *set_save; -+ -+ DP("used %u, len %u", *used, len); -+ /* Get and ensure header size */ -+ if (*used + sizeof(struct ip_set_save) > len) -+ return -ENOMEM; -+ -+ /* Marker */ -+ set_save = (struct ip_set_save *) (data + *used); -+ set_save->index = IP_SET_INVALID_ID; -+ *used += sizeof(struct ip_set_save); -+ -+ DP("marker added used %u, len %u", *used, len); -+ /* Fill in bindings data */ -+ if (index != IP_SET_INVALID_ID) -+ /* Sets are identified by id in hash */ -+ index = ip_set_list[index]->id; -+ FOREACH_HASH_DO(__set_hash_save_bindings, index, data, used, len, &res); -+ -+ return res; -+} -+ -+/* -+ * Restore sets -+ */ -+static int ip_set_restore(void *data, -+ int len) -+{ -+ int res = 0; -+ int line = 0, used = 0, members_size; -+ struct ip_set *set; -+ struct ip_set_hash_save *hash_save; -+ struct ip_set_restore *set_restore; -+ ip_set_id_t index; -+ -+ /* Loop to restore sets */ -+ while (1) { -+ line++; -+ -+ DP("%u %u %u", used, sizeof(struct ip_set_restore), len); -+ /* Get and ensure header size */ -+ if (used + sizeof(struct ip_set_restore) > len) -+ return line; -+ set_restore = (struct ip_set_restore *) (data + used); -+ used += sizeof(struct ip_set_restore); -+ -+ /* Ensure data size */ -+ if (used -+ + set_restore->header_size -+ + set_restore->members_size > len) -+ return line; -+ -+ /* Check marker */ -+ if (set_restore->index == IP_SET_INVALID_ID) { -+ line--; -+ goto bindings; -+ } -+ -+ /* Try to create the set */ -+ DP("restore %s %s", set_restore->name, set_restore->typename); -+ res = ip_set_create(set_restore->name, -+ set_restore->typename, -+ set_restore->index, -+ data + used, -+ set_restore->header_size); -+ -+ if (res != 0) -+ return line; -+ used += set_restore->header_size; -+ -+ index = ip_set_find_byindex(set_restore->index); -+ DP("index %u, restore_index %u", index, set_restore->index); -+ if (index != set_restore->index) -+ return line; -+ /* Try to restore members data */ -+ set = ip_set_list[index]; -+ members_size = 0; -+ DP("members_size %u reqsize %u", -+ set_restore->members_size, set->type->reqsize); -+ while (members_size + set->type->reqsize <= -+ set_restore->members_size) { -+ line++; -+ DP("members: %u, line %u", members_size, line); -+ res = __ip_set_addip(index, -+ data + used + members_size, -+ set->type->reqsize); -+ if (!(res == 0 || res == -EEXIST)) -+ return line; -+ members_size += set->type->reqsize; -+ } -+ -+ DP("members_size %u %u", -+ set_restore->members_size, members_size); -+ if (members_size != set_restore->members_size) -+ return line++; -+ used += set_restore->members_size; -+ } -+ -+ bindings: -+ /* Loop to restore bindings */ -+ while (used < len) { -+ line++; -+ -+ DP("restore binding, line %u", line); -+ /* Get and ensure size */ -+ if (used + sizeof(struct ip_set_hash_save) > len) -+ return line; -+ hash_save = (struct ip_set_hash_save *) (data + used); -+ used += sizeof(struct ip_set_hash_save); -+ -+ /* hash_save->id is used to store the index */ -+ index = ip_set_find_byindex(hash_save->id); -+ DP("restore binding index %u, id %u, %u -> %u", -+ index, hash_save->id, hash_save->ip, hash_save->binding); -+ if (index != hash_save->id) -+ return line; -+ -+ set = ip_set_list[hash_save->id]; -+ /* Null valued IP means default binding */ -+ if (hash_save->ip) -+ res = ip_set_hash_add(set->id, -+ hash_save->ip, -+ hash_save->binding); -+ else { -+ IP_SET_ASSERT(set->binding == IP_SET_INVALID_ID); -+ WRITE_LOCK(&ip_set_lock); -+ set->binding = hash_save->binding; -+ __ip_set_get(set->binding); -+ WRITE_UNLOCK(&ip_set_lock); -+ DP("default binding: %u", set->binding); -+ } -+ if (res != 0) -+ return line; -+ } -+ if (used != len) -+ return line; -+ -+ return 0; -+} -+ -+static int -+ip_set_sockfn_set(struct sock *sk, int optval, void *user, unsigned int len) -+{ -+ void *data; -+ int res = 0; /* Assume OK */ -+ unsigned *op; -+ struct ip_set_req_adt *req_adt; -+ ip_set_id_t index = IP_SET_INVALID_ID; -+ int (*adtfn)(ip_set_id_t index, -+ const void *data, size_t size); -+ struct fn_table { -+ int (*fn)(ip_set_id_t index, -+ const void *data, size_t size); -+ } adtfn_table[] = -+ { { ip_set_addip }, { ip_set_delip }, { ip_set_testip}, -+ { ip_set_bindip}, { ip_set_unbindip }, { ip_set_testbind }, -+ }; -+ -+ DP("optval=%d, user=%p, len=%d", optval, user, len); -+ if (!capable(CAP_NET_ADMIN)) -+ return -EPERM; -+ if (optval != SO_IP_SET) -+ return -EBADF; -+ if (len <= sizeof(unsigned)) { -+ ip_set_printk("short userdata (want >%zu, got %u)", -+ sizeof(unsigned), len); -+ return -EINVAL; -+ } -+ data = vmalloc(len); -+ if (!data) { -+ DP("out of mem for %u bytes", len); -+ return -ENOMEM; -+ } -+ if (copy_from_user(data, user, len) != 0) { -+ res = -EFAULT; -+ goto done; -+ } -+ if (down_interruptible(&ip_set_app_mutex)) { -+ res = -EINTR; -+ goto done; -+ } -+ -+ op = (unsigned *)data; -+ DP("op=%x", *op); -+ -+ if (*op < IP_SET_OP_VERSION) { -+ /* Check the version at the beginning of operations */ -+ struct ip_set_req_version *req_version = -+ (struct ip_set_req_version *) data; -+ if (req_version->version != IP_SET_PROTOCOL_VERSION) { -+ res = -EPROTO; -+ goto done; -+ } -+ } -+ -+ switch (*op) { -+ case IP_SET_OP_CREATE:{ -+ struct ip_set_req_create *req_create -+ = (struct ip_set_req_create *) data; -+ -+ if (len <= sizeof(struct ip_set_req_create)) { -+ ip_set_printk("short CREATE data (want >%zu, got %u)", -+ sizeof(struct ip_set_req_create), len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_create->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ req_create->typename[IP_SET_MAXNAMELEN - 1] = '\0'; -+ res = ip_set_create(req_create->name, -+ req_create->typename, -+ IP_SET_INVALID_ID, -+ data + sizeof(struct ip_set_req_create), -+ len - sizeof(struct ip_set_req_create)); -+ goto done; -+ } -+ case IP_SET_OP_DESTROY:{ -+ struct ip_set_req_std *req_destroy -+ = (struct ip_set_req_std *) data; -+ -+ if (len != sizeof(struct ip_set_req_std)) { -+ ip_set_printk("invalid DESTROY data (want %zu, got %u)", -+ sizeof(struct ip_set_req_std), len); -+ res = -EINVAL; -+ goto done; -+ } -+ if (strcmp(req_destroy->name, IPSET_TOKEN_ALL) == 0) { -+ /* Destroy all sets */ -+ index = IP_SET_INVALID_ID; -+ } else { -+ req_destroy->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byname(req_destroy->name); -+ -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ } -+ -+ res = ip_set_destroy(index); -+ goto done; -+ } -+ case IP_SET_OP_FLUSH:{ -+ struct ip_set_req_std *req_flush = -+ (struct ip_set_req_std *) data; -+ -+ if (len != sizeof(struct ip_set_req_std)) { -+ ip_set_printk("invalid FLUSH data (want %zu, got %u)", -+ sizeof(struct ip_set_req_std), len); -+ res = -EINVAL; -+ goto done; -+ } -+ if (strcmp(req_flush->name, IPSET_TOKEN_ALL) == 0) { -+ /* Flush all sets */ -+ index = IP_SET_INVALID_ID; -+ } else { -+ req_flush->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byname(req_flush->name); -+ -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ } -+ res = ip_set_flush(index); -+ goto done; -+ } -+ case IP_SET_OP_RENAME:{ -+ struct ip_set_req_create *req_rename -+ = (struct ip_set_req_create *) data; -+ -+ if (len != sizeof(struct ip_set_req_create)) { -+ ip_set_printk("invalid RENAME data (want %zu, got %u)", -+ sizeof(struct ip_set_req_create), len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ req_rename->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ req_rename->typename[IP_SET_MAXNAMELEN - 1] = '\0'; -+ -+ index = ip_set_find_byname(req_rename->name); -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ res = ip_set_rename(index, req_rename->typename); -+ goto done; -+ } -+ case IP_SET_OP_SWAP:{ -+ struct ip_set_req_create *req_swap -+ = (struct ip_set_req_create *) data; -+ ip_set_id_t to_index; -+ -+ if (len != sizeof(struct ip_set_req_create)) { -+ ip_set_printk("invalid SWAP data (want %zu, got %u)", -+ sizeof(struct ip_set_req_create), len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ req_swap->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ req_swap->typename[IP_SET_MAXNAMELEN - 1] = '\0'; -+ -+ index = ip_set_find_byname(req_swap->name); -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ to_index = ip_set_find_byname(req_swap->typename); -+ if (to_index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ res = ip_set_swap(index, to_index); -+ goto done; -+ } -+ default: -+ break; /* Set identified by id */ -+ } -+ -+ /* There we may have add/del/test/bind/unbind/test_bind operations */ -+ if (*op < IP_SET_OP_ADD_IP || *op > IP_SET_OP_TEST_BIND_SET) { -+ res = -EBADMSG; -+ goto done; -+ } -+ adtfn = adtfn_table[*op - IP_SET_OP_ADD_IP].fn; -+ -+ if (len < sizeof(struct ip_set_req_adt)) { -+ ip_set_printk("short data in adt request (want >=%zu, got %u)", -+ sizeof(struct ip_set_req_adt), len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_adt = (struct ip_set_req_adt *) data; -+ -+ /* -U :all: :all:|:default: uses IP_SET_INVALID_ID */ -+ if (!(*op == IP_SET_OP_UNBIND_SET -+ && req_adt->index == IP_SET_INVALID_ID)) { -+ index = ip_set_find_byindex(req_adt->index); -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ } -+ res = adtfn(index, data, len); -+ -+ done: -+ up(&ip_set_app_mutex); -+ vfree(data); -+ if (res > 0) -+ res = 0; -+ DP("final result %d", res); -+ return res; -+} -+ -+static int -+ip_set_sockfn_get(struct sock *sk, int optval, void *user, int *len) -+{ -+ int res = 0; -+ unsigned *op; -+ ip_set_id_t index = IP_SET_INVALID_ID; -+ void *data; -+ int copylen = *len; -+ -+ DP("optval=%d, user=%p, len=%d", optval, user, *len); -+ if (!capable(CAP_NET_ADMIN)) -+ return -EPERM; -+ if (optval != SO_IP_SET) -+ return -EBADF; -+ if (*len < sizeof(unsigned)) { -+ ip_set_printk("short userdata (want >=%zu, got %d)", -+ sizeof(unsigned), *len); -+ return -EINVAL; -+ } -+ data = vmalloc(*len); -+ if (!data) { -+ DP("out of mem for %d bytes", *len); -+ return -ENOMEM; -+ } -+ if (copy_from_user(data, user, *len) != 0) { -+ res = -EFAULT; -+ goto done; -+ } -+ if (down_interruptible(&ip_set_app_mutex)) { -+ res = -EINTR; -+ goto done; -+ } -+ -+ op = (unsigned *) data; -+ DP("op=%x", *op); -+ -+ if (*op < IP_SET_OP_VERSION) { -+ /* Check the version at the beginning of operations */ -+ struct ip_set_req_version *req_version = -+ (struct ip_set_req_version *) data; -+ if (req_version->version != IP_SET_PROTOCOL_VERSION) { -+ res = -EPROTO; -+ goto done; -+ } -+ } -+ -+ switch (*op) { -+ case IP_SET_OP_VERSION: { -+ struct ip_set_req_version *req_version = -+ (struct ip_set_req_version *) data; -+ -+ if (*len != sizeof(struct ip_set_req_version)) { -+ ip_set_printk("invalid VERSION (want %zu, got %d)", -+ sizeof(struct ip_set_req_version), -+ *len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ req_version->version = IP_SET_PROTOCOL_VERSION; -+ res = copy_to_user(user, req_version, -+ sizeof(struct ip_set_req_version)); -+ goto done; -+ } -+ case IP_SET_OP_GET_BYNAME: { -+ struct ip_set_req_get_set *req_get -+ = (struct ip_set_req_get_set *) data; -+ -+ if (*len != sizeof(struct ip_set_req_get_set)) { -+ ip_set_printk("invalid GET_BYNAME (want %zu, got %d)", -+ sizeof(struct ip_set_req_get_set), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byname(req_get->set.name); -+ req_get->set.index = index; -+ goto copy; -+ } -+ case IP_SET_OP_GET_BYINDEX: { -+ struct ip_set_req_get_set *req_get -+ = (struct ip_set_req_get_set *) data; -+ -+ if (*len != sizeof(struct ip_set_req_get_set)) { -+ ip_set_printk("invalid GET_BYINDEX (want %zu, got %d)", -+ sizeof(struct ip_set_req_get_set), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byindex(req_get->set.index); -+ strncpy(req_get->set.name, -+ index == IP_SET_INVALID_ID ? "" -+ : ip_set_list[index]->name, IP_SET_MAXNAMELEN); -+ goto copy; -+ } -+ case IP_SET_OP_ADT_GET: { -+ struct ip_set_req_adt_get *req_get -+ = (struct ip_set_req_adt_get *) data; -+ -+ if (*len != sizeof(struct ip_set_req_adt_get)) { -+ ip_set_printk("invalid ADT_GET (want %zu, got %d)", -+ sizeof(struct ip_set_req_adt_get), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byname(req_get->set.name); -+ if (index != IP_SET_INVALID_ID) { -+ req_get->set.index = index; -+ strncpy(req_get->typename, -+ ip_set_list[index]->type->typename, -+ IP_SET_MAXNAMELEN - 1); -+ } else { -+ res = -ENOENT; -+ goto done; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_MAX_SETS: { -+ struct ip_set_req_max_sets *req_max_sets -+ = (struct ip_set_req_max_sets *) data; -+ ip_set_id_t i; -+ -+ if (*len != sizeof(struct ip_set_req_max_sets)) { -+ ip_set_printk("invalid MAX_SETS (want %zu, got %d)", -+ sizeof(struct ip_set_req_max_sets), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ if (strcmp(req_max_sets->set.name, IPSET_TOKEN_ALL) == 0) { -+ req_max_sets->set.index = IP_SET_INVALID_ID; -+ } else { -+ req_max_sets->set.name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ req_max_sets->set.index = -+ ip_set_find_byname(req_max_sets->set.name); -+ if (req_max_sets->set.index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ } -+ req_max_sets->max_sets = ip_set_max; -+ req_max_sets->sets = 0; -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL) -+ req_max_sets->sets++; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_LIST_SIZE: -+ case IP_SET_OP_SAVE_SIZE: { -+ struct ip_set_req_setnames *req_setnames -+ = (struct ip_set_req_setnames *) data; -+ struct ip_set_name_list *name_list; -+ struct ip_set *set; -+ ip_set_id_t i; -+ int used; -+ -+ if (*len < sizeof(struct ip_set_req_setnames)) { -+ ip_set_printk("short LIST_SIZE (want >=%zu, got %d)", -+ sizeof(struct ip_set_req_setnames), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ req_setnames->size = 0; -+ used = sizeof(struct ip_set_req_setnames); -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] == NULL) -+ continue; -+ name_list = (struct ip_set_name_list *) -+ (data + used); -+ used += sizeof(struct ip_set_name_list); -+ if (used > copylen) { -+ res = -EAGAIN; -+ goto done; -+ } -+ set = ip_set_list[i]; -+ /* Fill in index, name, etc. */ -+ name_list->index = i; -+ name_list->id = set->id; -+ strncpy(name_list->name, -+ set->name, -+ IP_SET_MAXNAMELEN - 1); -+ strncpy(name_list->typename, -+ set->type->typename, -+ IP_SET_MAXNAMELEN - 1); -+ DP("filled %s of type %s, index %u\n", -+ name_list->name, name_list->typename, -+ name_list->index); -+ if (!(req_setnames->index == IP_SET_INVALID_ID -+ || req_setnames->index == i)) -+ continue; -+ /* Update size */ -+ switch (*op) { -+ case IP_SET_OP_LIST_SIZE: { -+ req_setnames->size += sizeof(struct ip_set_list) -+ + set->type->header_size -+ + set->type->list_members_size(set); -+ FOREACH_HASH_DO(__set_hash_bindings_size_list, -+ i, &req_setnames->size); -+ break; -+ } -+ case IP_SET_OP_SAVE_SIZE: { -+ req_setnames->size += sizeof(struct ip_set_save) -+ + set->type->header_size -+ + set->type->list_members_size(set); -+ FOREACH_HASH_DO(__set_hash_bindings_size_save, -+ i, &req_setnames->size); -+ break; -+ } -+ default: -+ break; -+ } -+ } -+ if (copylen != used) { -+ res = -EAGAIN; -+ goto done; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_LIST: { -+ struct ip_set_req_list *req_list -+ = (struct ip_set_req_list *) data; -+ ip_set_id_t i; -+ int used; -+ -+ if (*len < sizeof(struct ip_set_req_list)) { -+ ip_set_printk("short LIST (want >=%zu, got %d)", -+ sizeof(struct ip_set_req_list), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ index = req_list->index; -+ if (index != IP_SET_INVALID_ID -+ && ip_set_find_byindex(index) != index) { -+ res = -ENOENT; -+ goto done; -+ } -+ used = 0; -+ if (index == IP_SET_INVALID_ID) { -+ /* List all sets */ -+ for (i = 0; i < ip_set_max && res == 0; i++) { -+ if (ip_set_list[i] != NULL) -+ res = ip_set_list_set(i, data, &used, *len); -+ } -+ } else { -+ /* List an individual set */ -+ res = ip_set_list_set(index, data, &used, *len); -+ } -+ if (res != 0) -+ goto done; -+ else if (copylen != used) { -+ res = -EAGAIN; -+ goto done; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_SAVE: { -+ struct ip_set_req_list *req_save -+ = (struct ip_set_req_list *) data; -+ ip_set_id_t i; -+ int used; -+ -+ if (*len < sizeof(struct ip_set_req_list)) { -+ ip_set_printk("short SAVE (want >=%zu, got %d)", -+ sizeof(struct ip_set_req_list), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ index = req_save->index; -+ if (index != IP_SET_INVALID_ID -+ && ip_set_find_byindex(index) != index) { -+ res = -ENOENT; -+ goto done; -+ } -+ used = 0; -+ if (index == IP_SET_INVALID_ID) { -+ /* Save all sets */ -+ for (i = 0; i < ip_set_max && res == 0; i++) { -+ if (ip_set_list[i] != NULL) -+ res = ip_set_save_set(i, data, &used, *len); -+ } -+ } else { -+ /* Save an individual set */ -+ res = ip_set_save_set(index, data, &used, *len); -+ } -+ if (res == 0) -+ res = ip_set_save_bindings(index, data, &used, *len); -+ -+ if (res != 0) -+ goto done; -+ else if (copylen != used) { -+ res = -EAGAIN; -+ goto done; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_RESTORE: { -+ struct ip_set_req_setnames *req_restore -+ = (struct ip_set_req_setnames *) data; -+ int line; -+ -+ if (*len < sizeof(struct ip_set_req_setnames) -+ || *len != req_restore->size) { -+ ip_set_printk("invalid RESTORE (want =%zu, got %d)", -+ req_restore->size, *len); -+ res = -EINVAL; -+ goto done; -+ } -+ line = ip_set_restore(data + sizeof(struct ip_set_req_setnames), -+ req_restore->size - sizeof(struct ip_set_req_setnames)); -+ DP("ip_set_restore: %u", line); -+ if (line != 0) { -+ res = -EAGAIN; -+ req_restore->size = line; -+ copylen = sizeof(struct ip_set_req_setnames); -+ goto copy; -+ } -+ goto done; -+ } -+ default: -+ res = -EBADMSG; -+ goto done; -+ } /* end of switch(op) */ -+ -+ copy: -+ DP("set %s, copylen %u", index != IP_SET_INVALID_ID -+ && ip_set_list[index] -+ ? ip_set_list[index]->name -+ : ":all:", copylen); -+ if (res == 0) -+ res = copy_to_user(user, data, copylen); -+ else -+ copy_to_user(user, data, copylen); -+ -+ done: -+ up(&ip_set_app_mutex); -+ vfree(data); -+ if (res > 0) -+ res = 0; -+ DP("final result %d", res); -+ return res; -+} -+ -+static struct nf_sockopt_ops so_set = { -+ .pf = PF_INET, -+ .set_optmin = SO_IP_SET, -+ .set_optmax = SO_IP_SET + 1, -+ .set = &ip_set_sockfn_set, -+ .get_optmin = SO_IP_SET, -+ .get_optmax = SO_IP_SET + 1, -+ .get = &ip_set_sockfn_get, -+ .use = 0 -+}; -+ -+static int max_sets, hash_size; -+MODULE_PARM(max_sets, "i"); -+MODULE_PARM_DESC(max_sets, "maximal number of sets"); -+MODULE_PARM(hash_size, "i"); -+MODULE_PARM_DESC(hash_size, "hash size for bindings"); -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("module implementing core IP set support"); -+ -+static int __init init(void) -+{ -+ int res; -+ ip_set_id_t i; -+ -+ get_random_bytes(&ip_set_hash_random, 4); -+ if (max_sets) -+ ip_set_max = max_sets; -+ ip_set_list = vmalloc(sizeof(struct ip_set *) * ip_set_max); -+ if (!ip_set_list) { -+ printk(KERN_ERR "Unable to create ip_set_list\n"); -+ return -ENOMEM; -+ } -+ memset(ip_set_list, 0, sizeof(struct ip_set *) * ip_set_max); -+ if (hash_size) -+ ip_set_bindings_hash_size = hash_size; -+ ip_set_hash = vmalloc(sizeof(struct list_head) * ip_set_bindings_hash_size); -+ if (!ip_set_hash) { -+ printk(KERN_ERR "Unable to create ip_set_hash\n"); -+ vfree(ip_set_list); -+ return -ENOMEM; -+ } -+ for (i = 0; i < ip_set_bindings_hash_size; i++) -+ INIT_LIST_HEAD(&ip_set_hash[i]); -+ -+ INIT_LIST_HEAD(&set_type_list); -+ -+ res = nf_register_sockopt(&so_set); -+ if (res != 0) { -+ ip_set_printk("SO_SET registry failed: %d", res); -+ vfree(ip_set_list); -+ vfree(ip_set_hash); -+ return res; -+ } -+ return 0; -+} -+ -+static void __exit fini(void) -+{ -+ /* There can't be any existing set or binding. Racy. */ -+ nf_unregister_sockopt(&so_set); -+ vfree(ip_set_list); -+ vfree(ip_set_hash); -+ DP("these are the famous last words"); -+} -+ -+EXPORT_SYMBOL(ip_set_register_set_type); -+EXPORT_SYMBOL(ip_set_unregister_set_type); -+ -+EXPORT_SYMBOL(ip_set_get_byname); -+EXPORT_SYMBOL(ip_set_get_byindex); -+EXPORT_SYMBOL(ip_set_put); -+ -+EXPORT_SYMBOL(ip_set_addip_kernel); -+EXPORT_SYMBOL(ip_set_delip_kernel); -+EXPORT_SYMBOL(ip_set_testip_kernel); -+ -+module_init(init); -+module_exit(fini); ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_iphash.c -@@ -0,0 +1,379 @@ -+/* Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an ip hash set */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_tables.h> -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <asm/softirq.h> -+#include <linux/spinlock.h> -+#include <linux/vmalloc.h> -+#include <linux/random.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_malloc.h> -+#include <linux/netfilter_ipv4/ip_set_iphash.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/netfilter_ipv4/ip_set_prime.h> -+ -+static inline __u32 -+jhash_ip(const struct ip_set_iphash *map, ip_set_ip_t ip) -+{ -+ return jhash_1word(ip, map->initval); -+} -+ -+static inline __u32 -+randhash_ip(const struct ip_set_iphash *map, ip_set_ip_t ip) -+{ -+ return (1 + ip % map->prime); -+} -+ -+static inline __u32 -+hash_id(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_iphash *map = (struct ip_set_iphash *) set->data; -+ __u32 jhash, randhash, id; -+ u_int16_t i; -+ -+ *hash_ip = ip & map->netmask; -+ jhash = jhash_ip(map, *hash_ip); -+ randhash = randhash_ip(map, *hash_ip); -+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip), HIPQUAD(map->netmask)); -+ -+ for (i = 0; i < map->probes; i++) { -+ id = (jhash + i * randhash) % map->hashsize; -+ DP("hash key: %u", id); -+ if (map->members[id] == *hash_ip) -+ return id; -+ /* No shortcut at testing - there can be deleted -+ * entries. */ -+ } -+ return UINT_MAX; -+} -+ -+static inline int -+__testip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip) -+{ -+ return (hash_id(set, ip, hash_ip) != UINT_MAX); -+} -+ -+static int -+testip(struct ip_set *set, const void *data, size_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_req_iphash *req = -+ (struct ip_set_req_iphash *) data; -+ -+ if (size != sizeof(struct ip_set_req_iphash)) { -+ ip_set_printk("data length wrong (want %zu, have %zu)", -+ sizeof(struct ip_set_req_iphash), -+ size); -+ return -EINVAL; -+ } -+ return __testip(set, req->ip, hash_ip); -+} -+ -+static int -+testip_kernel(struct ip_set *set, const struct sk_buff *skb, -+ u_int32_t flags, ip_set_ip_t *hash_ip) -+{ -+ return __testip(set, -+ ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr -+ : skb->nh.iph->daddr), -+ hash_ip); -+} -+ -+static inline int -+__addip(struct ip_set_iphash *map, ip_set_ip_t ip, ip_set_ip_t *hash_ip) -+{ -+ __u32 jhash, randhash, probe; -+ u_int16_t i; -+ -+ *hash_ip = ip & map->netmask; -+ jhash = jhash_ip(map, *hash_ip); -+ randhash = randhash_ip(map, *hash_ip); -+ -+ for (i = 0; i < map->probes; i++) { -+ probe = (jhash + i * randhash) % map->hashsize; -+ if (map->members[probe] == *hash_ip) -+ return -EEXIST; -+ if (!map->members[probe]) { -+ map->members[probe] = *hash_ip; -+ return 0; -+ } -+ } -+ /* Trigger rehashing */ -+ return -EAGAIN; -+} -+ -+static int -+addip(struct ip_set *set, const void *data, size_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_req_iphash *req = -+ (struct ip_set_req_iphash *) data; -+ -+ if (size != sizeof(struct ip_set_req_iphash)) { -+ ip_set_printk("data length wrong (want %zu, have %zu)", -+ sizeof(struct ip_set_req_iphash), -+ size); -+ return -EINVAL; -+ } -+ return __addip((struct ip_set_iphash *) set->data, req->ip, hash_ip); -+} -+ -+static int -+addip_kernel(struct ip_set *set, const struct sk_buff *skb, -+ u_int32_t flags, ip_set_ip_t *hash_ip) -+{ -+ return __addip((struct ip_set_iphash *) set->data, -+ ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr -+ : skb->nh.iph->daddr), -+ hash_ip); -+} -+ -+static int retry(struct ip_set *set) -+{ -+ struct ip_set_iphash *map = (struct ip_set_iphash *) set->data; -+ ip_set_ip_t hash_ip, *members; -+ u_int32_t i, hashsize; -+ unsigned newbytes; -+ int res; -+ struct ip_set_iphash tmp = { -+ .hashsize = map->hashsize, -+ .probes = map->probes, -+ .resize = map->resize, -+ .netmask = map->netmask, -+ }; -+ -+ if (map->resize == 0) -+ return -ERANGE; -+ -+ again: -+ res = 0; -+ -+ /* Calculate new parameters */ -+ get_random_bytes(&tmp.initval, 4); -+ hashsize = tmp.hashsize + (tmp.hashsize * map->resize)/100; -+ if (hashsize == tmp.hashsize) -+ hashsize++; -+ tmp.prime = make_prime(hashsize); -+ -+ ip_set_printk("rehashing of set %s triggered: " -+ "hashsize grows from %u to %u", -+ set->name, tmp.hashsize, hashsize); -+ tmp.hashsize = hashsize; -+ -+ newbytes = hashsize * sizeof(ip_set_ip_t); -+ tmp.members = ip_set_malloc(newbytes); -+ if (!tmp.members) { -+ DP("out of memory for %d bytes", newbytes); -+ return -ENOMEM; -+ } -+ memset(tmp.members, 0, newbytes); -+ -+ write_lock_bh(&set->lock); -+ map = (struct ip_set_iphash *) set->data; /* Play safe */ -+ for (i = 0; i < map->hashsize && res == 0; i++) { -+ if (map->members[i]) -+ res = __addip(&tmp, map->members[i], &hash_ip); -+ } -+ if (res) { -+ /* Failure, try again */ -+ write_unlock_bh(&set->lock); -+ ip_set_free(tmp.members, newbytes); -+ goto again; -+ } -+ -+ /* Success at resizing! */ -+ members = map->members; -+ hashsize = map->hashsize; -+ -+ map->initval = tmp.initval; -+ map->prime = tmp.prime; -+ map->hashsize = tmp.hashsize; -+ map->members = tmp.members; -+ write_unlock_bh(&set->lock); -+ -+ ip_set_free(members, hashsize * sizeof(ip_set_ip_t)); -+ -+ return 0; -+} -+ -+static inline int -+__delip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_iphash *map = (struct ip_set_iphash *) set->data; -+ ip_set_ip_t id = hash_id(set, ip, hash_ip); -+ -+ if (id == UINT_MAX) -+ return -EEXIST; -+ -+ map->members[id] = 0; -+ return 0; -+} -+ -+static int -+delip(struct ip_set *set, const void *data, size_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_req_iphash *req = -+ (struct ip_set_req_iphash *) data; -+ -+ if (size != sizeof(struct ip_set_req_iphash)) { -+ ip_set_printk("data length wrong (want %zu, have %zu)", -+ sizeof(struct ip_set_req_iphash), -+ size); -+ return -EINVAL; -+ } -+ return __delip(set, req->ip, hash_ip); -+} -+ -+static int -+delip_kernel(struct ip_set *set, const struct sk_buff *skb, -+ u_int32_t flags, ip_set_ip_t *hash_ip) -+{ -+ return __delip(set, -+ ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr -+ : skb->nh.iph->daddr), -+ hash_ip); -+} -+ -+static int create(struct ip_set *set, const void *data, size_t size) -+{ -+ unsigned newbytes; -+ struct ip_set_req_iphash_create *req = -+ (struct ip_set_req_iphash_create *) data; -+ struct ip_set_iphash *map; -+ -+ if (size != sizeof(struct ip_set_req_iphash_create)) { -+ ip_set_printk("data length wrong (want %zu, have %zu)", -+ sizeof(struct ip_set_req_iphash_create), -+ size); -+ return -EINVAL; -+ } -+ -+ if (req->hashsize < 1) { -+ ip_set_printk("hashsize too small"); -+ return -ENOEXEC; -+ } -+ -+ map = kmalloc(sizeof(struct ip_set_iphash), GFP_KERNEL); -+ if (!map) { -+ DP("out of memory for %d bytes", -+ sizeof(struct ip_set_iphash)); -+ return -ENOMEM; -+ } -+ get_random_bytes(&map->initval, 4); -+ map->prime = make_prime(req->hashsize); -+ map->hashsize = req->hashsize; -+ map->probes = req->probes; -+ map->resize = req->resize; -+ map->netmask = req->netmask; -+ newbytes = map->hashsize * sizeof(ip_set_ip_t); -+ map->members = ip_set_malloc(newbytes); -+ if (!map->members) { -+ DP("out of memory for %d bytes", newbytes); -+ kfree(map); -+ return -ENOMEM; -+ } -+ memset(map->members, 0, newbytes); -+ -+ set->data = map; -+ return 0; -+} -+ -+static void destroy(struct ip_set *set) -+{ -+ struct ip_set_iphash *map = (struct ip_set_iphash *) set->data; -+ -+ ip_set_free(map->members, map->hashsize * sizeof(ip_set_ip_t)); -+ kfree(map); -+ -+ set->data = NULL; -+} -+ -+static void flush(struct ip_set *set) -+{ -+ struct ip_set_iphash *map = (struct ip_set_iphash *) set->data; -+ memset(map->members, 0, map->hashsize * sizeof(ip_set_ip_t)); -+} -+ -+static void list_header(const struct ip_set *set, void *data) -+{ -+ struct ip_set_iphash *map = (struct ip_set_iphash *) set->data; -+ struct ip_set_req_iphash_create *header = -+ (struct ip_set_req_iphash_create *) data; -+ -+ header->hashsize = map->hashsize; -+ header->probes = map->probes; -+ header->resize = map->resize; -+ header->netmask = map->netmask; -+} -+ -+static int list_members_size(const struct ip_set *set) -+{ -+ struct ip_set_iphash *map = (struct ip_set_iphash *) set->data; -+ -+ return (map->hashsize * sizeof(ip_set_ip_t)); -+} -+ -+static void list_members(const struct ip_set *set, void *data) -+{ -+ struct ip_set_iphash *map = (struct ip_set_iphash *) set->data; -+ int bytes = map->hashsize * sizeof(ip_set_ip_t); -+ -+ memcpy(data, map->members, bytes); -+} -+ -+static struct ip_set_type ip_set_iphash = { -+ .typename = SETTYPE_NAME, -+ .typecode = IPSET_TYPE_IP, -+ .protocol_version = IP_SET_PROTOCOL_VERSION, -+ .create = &create, -+ .destroy = &destroy, -+ .flush = &flush, -+ .reqsize = sizeof(struct ip_set_req_iphash), -+ .addip = &addip, -+ .addip_kernel = &addip_kernel, -+ .retry = &retry, -+ .delip = &delip, -+ .delip_kernel = &delip_kernel, -+ .testip = &testip, -+ .testip_kernel = &testip_kernel, -+ .header_size = sizeof(struct ip_set_req_iphash_create), -+ .list_header = &list_header, -+ .list_members_size = &list_members_size, -+ .list_members = &list_members, -+ .me = THIS_MODULE, -+}; -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("iphash type of IP sets"); -+ -+static int __init init(void) -+{ -+ return ip_set_register_set_type(&ip_set_iphash); -+} -+ -+static void __exit fini(void) -+{ -+ /* FIXME: possible race with ip_set_create() */ -+ ip_set_unregister_set_type(&ip_set_iphash); -+} -+ -+module_init(init); -+module_exit(fini); ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_ipmap.c -@@ -0,0 +1,314 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an IP set type: the single bitmap type */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_tables.h> -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <asm/softirq.h> -+#include <linux/spinlock.h> -+ -+#include <linux/netfilter_ipv4/ip_set_ipmap.h> -+ -+static inline ip_set_ip_t -+ip_to_id(const struct ip_set_ipmap *map, ip_set_ip_t ip) -+{ -+ return (ip - map->first_ip)/map->hosts; -+} -+ -+static inline int -+__testip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = ip & map->netmask; -+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ return !!test_bit(ip_to_id(map, *hash_ip), map->members); -+} -+ -+static int -+testip(struct ip_set *set, const void *data, size_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_req_ipmap *req = -+ (struct ip_set_req_ipmap *) data; -+ -+ if (size != sizeof(struct ip_set_req_ipmap)) { -+ ip_set_printk("data length wrong (want %zu, have %zu)", -+ sizeof(struct ip_set_req_ipmap), -+ size); -+ return -EINVAL; -+ } -+ return __testip(set, req->ip, hash_ip); -+} -+ -+static int -+testip_kernel(struct ip_set *set, -+ const struct sk_buff *skb, -+ u_int32_t flags, -+ ip_set_ip_t *hash_ip) -+{ -+ int res; -+ -+ DP("flag: %s src: %u.%u.%u.%u dst: %u.%u.%u.%u", -+ flags & IPSET_SRC ? "SRC" : "DST", -+ NIPQUAD(skb->nh.iph->saddr), -+ NIPQUAD(skb->nh.iph->daddr)); -+ -+ res = __testip(set, -+ ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr -+ : skb->nh.iph->daddr), -+ hash_ip); -+ return (res < 0 ? 0 : res); -+} -+ -+static inline int -+__addip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = ip & map->netmask; -+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ if (test_and_set_bit(ip_to_id(map, *hash_ip), map->members)) -+ return -EEXIST; -+ -+ return 0; -+} -+ -+static int -+addip(struct ip_set *set, const void *data, size_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_req_ipmap *req = -+ (struct ip_set_req_ipmap *) data; -+ -+ if (size != sizeof(struct ip_set_req_ipmap)) { -+ ip_set_printk("data length wrong (want %zu, have %zu)", -+ sizeof(struct ip_set_req_ipmap), -+ size); -+ return -EINVAL; -+ } -+ DP("%u.%u.%u.%u", HIPQUAD(req->ip)); -+ return __addip(set, req->ip, hash_ip); -+} -+ -+static int -+addip_kernel(struct ip_set *set, const struct sk_buff *skb, -+ u_int32_t flags, ip_set_ip_t *hash_ip) -+{ -+ return __addip(set, -+ ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr -+ : skb->nh.iph->daddr), -+ hash_ip); -+} -+ -+static inline int -+__delip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = ip & map->netmask; -+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ if (!test_and_clear_bit(ip_to_id(map, *hash_ip), map->members)) -+ return -EEXIST; -+ -+ return 0; -+} -+ -+static int -+delip(struct ip_set *set, const void *data, size_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_req_ipmap *req = -+ (struct ip_set_req_ipmap *) data; -+ -+ if (size != sizeof(struct ip_set_req_ipmap)) { -+ ip_set_printk("data length wrong (want %zu, have %zu)", -+ sizeof(struct ip_set_req_ipmap), -+ size); -+ return -EINVAL; -+ } -+ return __delip(set, req->ip, hash_ip); -+} -+ -+static int -+delip_kernel(struct ip_set *set, const struct sk_buff *skb, -+ u_int32_t flags, ip_set_ip_t *hash_ip) -+{ -+ return __delip(set, -+ ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr -+ : skb->nh.iph->daddr), -+ hash_ip); -+} -+ -+static int create(struct ip_set *set, const void *data, size_t size) -+{ -+ int newbytes; -+ struct ip_set_req_ipmap_create *req = -+ (struct ip_set_req_ipmap_create *) data; -+ struct ip_set_ipmap *map; -+ -+ if (size != sizeof(struct ip_set_req_ipmap_create)) { -+ ip_set_printk("data length wrong (want %zu, have %zu)", -+ sizeof(struct ip_set_req_ipmap_create), -+ size); -+ return -EINVAL; -+ } -+ -+ DP("from %u.%u.%u.%u to %u.%u.%u.%u", -+ HIPQUAD(req->from), HIPQUAD(req->to)); -+ -+ if (req->from > req->to) { -+ DP("bad ip range"); -+ return -ENOEXEC; -+ } -+ -+ if (req->to - req->from > MAX_RANGE) { -+ ip_set_printk("range too big (max %d addresses)", -+ MAX_RANGE); -+ return -ENOEXEC; -+ } -+ -+ map = kmalloc(sizeof(struct ip_set_ipmap), GFP_KERNEL); -+ if (!map) { -+ DP("out of memory for %d bytes", -+ sizeof(struct ip_set_ipmap)); -+ return -ENOMEM; -+ } -+ map->first_ip = req->from; -+ map->last_ip = req->to; -+ map->netmask = req->netmask; -+ -+ if (req->netmask == 0xFFFFFFFF) { -+ map->hosts = 1; -+ map->sizeid = map->last_ip - map->first_ip + 1; -+ } else { -+ unsigned int mask_bits, netmask_bits; -+ ip_set_ip_t mask; -+ -+ map->first_ip &= map->netmask; /* Should we better bark? */ -+ -+ mask = range_to_mask(map->first_ip, map->last_ip, &mask_bits); -+ netmask_bits = mask_to_bits(map->netmask); -+ -+ if (!mask || netmask_bits <= mask_bits) -+ return -ENOEXEC; -+ -+ map->hosts = 2 << (32 - netmask_bits - 1); -+ map->sizeid = 2 << (netmask_bits - mask_bits - 1); -+ } -+ newbytes = bitmap_bytes(0, map->sizeid - 1); -+ map->members = kmalloc(newbytes, GFP_KERNEL); -+ if (!map->members) { -+ DP("out of memory for %d bytes", newbytes); -+ kfree(map); -+ return -ENOMEM; -+ } -+ memset(map->members, 0, newbytes); -+ -+ set->data = map; -+ return 0; -+} -+ -+static void destroy(struct ip_set *set) -+{ -+ struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data; -+ -+ kfree(map->members); -+ kfree(map); -+ -+ set->data = NULL; -+} -+ -+static void flush(struct ip_set *set) -+{ -+ struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data; -+ memset(map->members, 0, bitmap_bytes(0, map->sizeid - 1)); -+} -+ -+static void list_header(const struct ip_set *set, void *data) -+{ -+ struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data; -+ struct ip_set_req_ipmap_create *header = -+ (struct ip_set_req_ipmap_create *) data; -+ -+ header->from = map->first_ip; -+ header->to = map->last_ip; -+ header->netmask = map->netmask; -+} -+ -+static int list_members_size(const struct ip_set *set) -+{ -+ struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data; -+ -+ return bitmap_bytes(0, map->sizeid - 1); -+} -+ -+static void list_members(const struct ip_set *set, void *data) -+{ -+ struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data; -+ int bytes = bitmap_bytes(0, map->sizeid - 1); -+ -+ memcpy(data, map->members, bytes); -+} -+ -+static struct ip_set_type ip_set_ipmap = { -+ .typename = SETTYPE_NAME, -+ .typecode = IPSET_TYPE_IP, -+ .protocol_version = IP_SET_PROTOCOL_VERSION, -+ .create = &create, -+ .destroy = &destroy, -+ .flush = &flush, -+ .reqsize = sizeof(struct ip_set_req_ipmap), -+ .addip = &addip, -+ .addip_kernel = &addip_kernel, -+ .delip = &delip, -+ .delip_kernel = &delip_kernel, -+ .testip = &testip, -+ .testip_kernel = &testip_kernel, -+ .header_size = sizeof(struct ip_set_req_ipmap_create), -+ .list_header = &list_header, -+ .list_members_size = &list_members_size, -+ .list_members = &list_members, -+ .me = THIS_MODULE, -+}; -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("ipmap type of IP sets"); -+ -+static int __init init(void) -+{ -+ return ip_set_register_set_type(&ip_set_ipmap); -+} -+ -+static void __exit fini(void) -+{ -+ /* FIXME: possible race with ip_set_create() */ -+ ip_set_unregister_set_type(&ip_set_ipmap); -+} -+ -+module_init(init); -+module_exit(fini); ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_iptree.c -@@ -0,0 +1,511 @@ -+/* Copyright (C) 2005 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an IP set type: the iptree type */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/slab.h> -+#include <linux/delay.h> -+#include <linux/netfilter_ipv4/ip_tables.h> -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/interrupt.h> -+#include <linux/spinlock.h> -+ -+#include <linux/netfilter_ipv4/ip_set_iptree.h> -+ -+/* Garbage collection interval in seconds: */ -+#define IPTREE_GC_TIME 5*60 -+/* Sleep so many milliseconds before trying again -+ * to delete the gc timer at destroying a set */ -+#define IPTREE_DESTROY_SLEEP 100 -+ -+static kmem_cache_t *branch_cachep; -+static kmem_cache_t *leaf_cachep; -+ -+#define ABCD(a,b,c,d,addrp) do { \ -+ a = ((unsigned char *)addrp)[3]; \ -+ b = ((unsigned char *)addrp)[2]; \ -+ c = ((unsigned char *)addrp)[1]; \ -+ d = ((unsigned char *)addrp)[0]; \ -+} while (0) -+ -+#define TESTIP_WALK(map, elem, branch) do { \ -+ if ((map)->tree[elem]) { \ -+ branch = (map)->tree[elem]; \ -+ } else \ -+ return 0; \ -+} while (0) -+ -+static inline int -+__testip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned char a,b,c,d; -+ -+ *hash_ip = ip; -+ ABCD(a, b, c, d, hash_ip); -+ DP("%u %u %u %u timeout %u", a, b, c, d, map->timeout); -+ TESTIP_WALK(map, a, btree); -+ TESTIP_WALK(btree, b, ctree); -+ TESTIP_WALK(ctree, c, dtree); -+ DP("%lu %lu", dtree->expires[d], jiffies); -+ return !!(map->timeout ? (time_after(dtree->expires[d], jiffies)) -+ : dtree->expires[d]); -+} -+ -+static int -+testip(struct ip_set *set, const void *data, size_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_req_iptree *req = -+ (struct ip_set_req_iptree *) data; -+ -+ if (size != sizeof(struct ip_set_req_iptree)) { -+ ip_set_printk("data length wrong (want %zu, have %zu)", -+ sizeof(struct ip_set_req_iptree), -+ size); -+ return -EINVAL; -+ } -+ return __testip(set, req->ip, hash_ip); -+} -+ -+static int -+testip_kernel(struct ip_set *set, -+ const struct sk_buff *skb, -+ u_int32_t flags, -+ ip_set_ip_t *hash_ip) -+{ -+ int res; -+ -+ DP("flag: %s src: %u.%u.%u.%u dst: %u.%u.%u.%u", -+ flags & IPSET_SRC ? "SRC" : "DST", -+ NIPQUAD(skb->nh.iph->saddr), -+ NIPQUAD(skb->nh.iph->daddr)); -+ -+ res = __testip(set, -+ ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr -+ : skb->nh.iph->daddr), -+ hash_ip); -+ return (res < 0 ? 0 : res); -+} -+ -+#define ADDIP_WALK(map, elem, branch, type, cachep) do { \ -+ if ((map)->tree[elem]) { \ -+ DP("found %u", elem); \ -+ branch = (map)->tree[elem]; \ -+ } else { \ -+ branch = (type *) \ -+ kmem_cache_alloc(cachep, GFP_KERNEL); \ -+ if (branch == NULL) \ -+ return -ENOMEM; \ -+ memset(branch, 0, sizeof(*branch)); \ -+ (map)->tree[elem] = branch; \ -+ DP("alloc %u", elem); \ -+ } \ -+} while (0) -+ -+static inline int -+__addip(struct ip_set *set, ip_set_ip_t ip, unsigned int timeout, -+ ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned char a,b,c,d; -+ int ret = 0; -+ -+ *hash_ip = ip; -+ ABCD(a, b, c, d, hash_ip); -+ DP("%u %u %u %u timeout %u", a, b, c, d, timeout); -+ ADDIP_WALK(map, a, btree, struct ip_set_iptreeb, branch_cachep); -+ ADDIP_WALK(btree, b, ctree, struct ip_set_iptreec, branch_cachep); -+ ADDIP_WALK(ctree, c, dtree, struct ip_set_iptreed, leaf_cachep); -+ if (dtree->expires[d] -+ && (!map->timeout || time_after(dtree->expires[d], jiffies))) -+ ret = -EEXIST; -+ dtree->expires[d] = map->timeout ? (timeout * HZ + jiffies) : 1; -+ DP("%u %lu", d, dtree->expires[d]); -+ return ret; -+} -+ -+static int -+addip(struct ip_set *set, const void *data, size_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data; -+ struct ip_set_req_iptree *req = -+ (struct ip_set_req_iptree *) data; -+ -+ if (size != sizeof(struct ip_set_req_iptree)) { -+ ip_set_printk("data length wrong (want %zu, have %zu)", -+ sizeof(struct ip_set_req_iptree), -+ size); -+ return -EINVAL; -+ } -+ DP("%u.%u.%u.%u %u", HIPQUAD(req->ip), req->timeout); -+ return __addip(set, req->ip, -+ req->timeout ? req->timeout : map->timeout, -+ hash_ip); -+} -+ -+static int -+addip_kernel(struct ip_set *set, const struct sk_buff *skb, -+ u_int32_t flags, ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data; -+ -+ return __addip(set, -+ ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr -+ : skb->nh.iph->daddr), -+ map->timeout, -+ hash_ip); -+} -+ -+#define DELIP_WALK(map, elem, branch) do { \ -+ if ((map)->tree[elem]) { \ -+ branch = (map)->tree[elem]; \ -+ } else \ -+ return -EEXIST; \ -+} while (0) -+ -+static inline int -+__delip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned char a,b,c,d; -+ -+ *hash_ip = ip; -+ ABCD(a, b, c, d, hash_ip); -+ DELIP_WALK(map, a, btree); -+ DELIP_WALK(btree, b, ctree); -+ DELIP_WALK(ctree, c, dtree); -+ -+ if (dtree->expires[d]) { -+ dtree->expires[d] = 0; -+ return 0; -+ } -+ return -EEXIST; -+} -+ -+static int -+delip(struct ip_set *set, const void *data, size_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_req_iptree *req = -+ (struct ip_set_req_iptree *) data; -+ -+ if (size != sizeof(struct ip_set_req_iptree)) { -+ ip_set_printk("data length wrong (want %zu, have %zu)", -+ sizeof(struct ip_set_req_iptree), -+ size); -+ return -EINVAL; -+ } -+ return __delip(set, req->ip, hash_ip); -+} -+ -+static int -+delip_kernel(struct ip_set *set, const struct sk_buff *skb, -+ u_int32_t flags, ip_set_ip_t *hash_ip) -+{ -+ return __delip(set, -+ ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr -+ : skb->nh.iph->daddr), -+ hash_ip); -+} -+ -+#define LOOP_WALK_BEGIN(map, i, branch) \ -+ for (i = 0; i < 255; i++) { \ -+ if (!(map)->tree[i]) \ -+ continue; \ -+ branch = (map)->tree[i] -+ -+#define LOOP_WALK_END } -+ -+static void ip_tree_gc(unsigned long ul_set) -+{ -+ struct ip_set *set = (void *) ul_set; -+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned char a,b,c,d; -+ unsigned char i,j,k; -+ -+ i = j = k = 0; -+ DP("gc: %s", set->name); -+ write_lock_bh(&set->lock); -+ LOOP_WALK_BEGIN(map, a, btree); -+ LOOP_WALK_BEGIN(btree, b, ctree); -+ LOOP_WALK_BEGIN(ctree, c, dtree); -+ for (d = 0; d < 255; d++) { -+ if (dtree->expires[d]) { -+ DP("gc: %u %u %u %u: expires %lu jiffies %lu", -+ a, b, c, d, -+ dtree->expires[d], jiffies); -+ if (map->timeout -+ && time_before(dtree->expires[d], jiffies)) -+ dtree->expires[d] = 0; -+ else -+ k = 1; -+ } -+ } -+ if (k == 0) { -+ DP("gc: %s: leaf %u %u %u empty", -+ set->name, a, b, c); -+ kmem_cache_free(leaf_cachep, dtree); -+ ctree->tree[c] = NULL; -+ } else { -+ DP("gc: %s: leaf %u %u %u not empty", -+ set->name, a, b, c); -+ j = 1; -+ k = 0; -+ } -+ LOOP_WALK_END; -+ if (j == 0) { -+ DP("gc: %s: branch %u %u empty", -+ set->name, a, b); -+ kmem_cache_free(branch_cachep, ctree); -+ btree->tree[b] = NULL; -+ } else { -+ DP("gc: %s: branch %u %u not empty", -+ set->name, a, b); -+ i = 1; -+ j = k = 0; -+ } -+ LOOP_WALK_END; -+ if (i == 0) { -+ DP("gc: %s: branch %u empty", -+ set->name, a); -+ kmem_cache_free(branch_cachep, btree); -+ map->tree[a] = NULL; -+ } else { -+ DP("gc: %s: branch %u not empty", -+ set->name, a); -+ i = j = k = 0; -+ } -+ LOOP_WALK_END; -+ write_unlock_bh(&set->lock); -+ -+ map->gc.expires = jiffies + map->gc_interval * HZ; -+ add_timer(&map->gc); -+} -+ -+static int create(struct ip_set *set, const void *data, size_t size) -+{ -+ struct ip_set_req_iptree_create *req = -+ (struct ip_set_req_iptree_create *) data; -+ struct ip_set_iptree *map; -+ -+ if (size != sizeof(struct ip_set_req_iptree_create)) { -+ ip_set_printk("data length wrong (want %zu, have %zu)", -+ sizeof(struct ip_set_req_iptree_create), -+ size); -+ return -EINVAL; -+ } -+ -+ map = kmalloc(sizeof(struct ip_set_iptree), GFP_KERNEL); -+ if (!map) { -+ DP("out of memory for %d bytes", -+ sizeof(struct ip_set_iptree)); -+ return -ENOMEM; -+ } -+ memset(map, 0, sizeof(*map)); -+ map->timeout = req->timeout; -+ set->data = map; -+ -+ /* If there is no timeout for the entries, -+ * we still have to call gc because delete -+ * do not clean up empty branches */ -+ map->gc_interval = IPTREE_GC_TIME; -+ init_timer(&map->gc); -+ map->gc.data = (unsigned long) set; -+ map->gc.function = ip_tree_gc; -+ map->gc.expires = jiffies + map->gc_interval * HZ; -+ add_timer(&map->gc); -+ -+ return 0; -+} -+ -+static void __flush(struct ip_set_iptree *map) -+{ -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned int a,b,c; -+ -+ LOOP_WALK_BEGIN(map, a, btree); -+ LOOP_WALK_BEGIN(btree, b, ctree); -+ LOOP_WALK_BEGIN(ctree, c, dtree); -+ kmem_cache_free(leaf_cachep, dtree); -+ LOOP_WALK_END; -+ kmem_cache_free(branch_cachep, ctree); -+ LOOP_WALK_END; -+ kmem_cache_free(branch_cachep, btree); -+ LOOP_WALK_END; -+} -+ -+static void destroy(struct ip_set *set) -+{ -+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data; -+ -+ while (!del_timer(&map->gc)) -+ msleep(IPTREE_DESTROY_SLEEP); -+ __flush(map); -+ kfree(map); -+ set->data = NULL; -+} -+ -+static void flush(struct ip_set *set) -+{ -+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data; -+ unsigned int timeout = map->timeout; -+ -+ __flush(map); -+ memset(map, 0, sizeof(*map)); -+ map->timeout = timeout; -+} -+ -+static void list_header(const struct ip_set *set, void *data) -+{ -+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data; -+ struct ip_set_req_iptree_create *header = -+ (struct ip_set_req_iptree_create *) data; -+ -+ header->timeout = map->timeout; -+} -+ -+static int list_members_size(const struct ip_set *set) -+{ -+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned char a,b,c,d; -+ unsigned int count = 0; -+ -+ LOOP_WALK_BEGIN(map, a, btree); -+ LOOP_WALK_BEGIN(btree, b, ctree); -+ LOOP_WALK_BEGIN(ctree, c, dtree); -+ for (d = 0; d < 255; d++) { -+ if (dtree->expires[d] -+ && (!map->timeout || time_after(dtree->expires[d], jiffies))) -+ count++; -+ } -+ LOOP_WALK_END; -+ LOOP_WALK_END; -+ LOOP_WALK_END; -+ -+ DP("members %u", count); -+ return (count * sizeof(struct ip_set_req_iptree)); -+} -+ -+static void list_members(const struct ip_set *set, void *data) -+{ -+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned char a,b,c,d; -+ size_t offset = 0; -+ struct ip_set_req_iptree *entry; -+ -+ LOOP_WALK_BEGIN(map, a, btree); -+ LOOP_WALK_BEGIN(btree, b, ctree); -+ LOOP_WALK_BEGIN(ctree, c, dtree); -+ for (d = 0; d < 255; d++) { -+ if (dtree->expires[d] -+ && (!map->timeout || time_after(dtree->expires[d], jiffies))) { -+ entry = (struct ip_set_req_iptree *)(data + offset); -+ entry->ip = ((a << 24) | (b << 16) | (c << 8) | d); -+ entry->timeout = !map->timeout ? 0 -+ : (dtree->expires[d] - jiffies)/HZ; -+ offset += sizeof(struct ip_set_req_iptree); -+ } -+ } -+ LOOP_WALK_END; -+ LOOP_WALK_END; -+ LOOP_WALK_END; -+} -+ -+static struct ip_set_type ip_set_iptree = { -+ .typename = SETTYPE_NAME, -+ .typecode = IPSET_TYPE_IP, -+ .protocol_version = IP_SET_PROTOCOL_VERSION, -+ .create = &create, -+ .destroy = &destroy, -+ .flush = &flush, -+ .reqsize = sizeof(struct ip_set_req_iptree), -+ .addip = &addip, -+ .addip_kernel = &addip_kernel, -+ .delip = &delip, -+ .delip_kernel = &delip_kernel, -+ .testip = &testip, -+ .testip_kernel = &testip_kernel, -+ .header_size = sizeof(struct ip_set_req_iptree_create), -+ .list_header = &list_header, -+ .list_members_size = &list_members_size, -+ .list_members = &list_members, -+ .me = THIS_MODULE, -+}; -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("iptree type of IP sets"); -+ -+static int __init init(void) -+{ -+ int ret; -+ -+ branch_cachep = kmem_cache_create("ip_set_iptreeb", -+ sizeof(struct ip_set_iptreeb), -+ 0, 0, NULL, NULL); -+ if (!branch_cachep) { -+ printk(KERN_ERR "Unable to create ip_set_iptreeb slab cache\n"); -+ ret = -ENOMEM; -+ goto out; -+ } -+ leaf_cachep = kmem_cache_create("ip_set_iptreed", -+ sizeof(struct ip_set_iptreed), -+ 0, 0, NULL, NULL); -+ if (!leaf_cachep) { -+ printk(KERN_ERR "Unable to create ip_set_iptreed slab cache\n"); -+ ret = -ENOMEM; -+ goto free_branch; -+ } -+ ret = ip_set_register_set_type(&ip_set_iptree); -+ if (ret == 0) -+ goto out; -+ -+ kmem_cache_destroy(leaf_cachep); -+ free_branch: -+ kmem_cache_destroy(branch_cachep); -+ out: -+ return ret; -+} -+ -+static void __exit fini(void) -+{ -+ /* FIXME: possible race with ip_set_create() */ -+ ip_set_unregister_set_type(&ip_set_iptree); -+ kmem_cache_destroy(leaf_cachep); -+ kmem_cache_destroy(branch_cachep); -+} -+ -+module_init(init); -+module_exit(fini); ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_macipmap.c -@@ -0,0 +1,340 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Martin Josefsson <gandalf@wlug.westbo.se> -+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an IP set type: the macipmap type */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_tables.h> -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <asm/softirq.h> -+#include <linux/spinlock.h> -+#include <linux/if_ether.h> -+#include <linux/vmalloc.h> -+ -+#include <linux/netfilter_ipv4/ip_set_malloc.h> -+#include <linux/netfilter_ipv4/ip_set_macipmap.h> -+ -+static int -+testip(struct ip_set *set, const void *data, size_t size, ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_macipmap *map = (struct ip_set_macipmap *) set->data; -+ struct ip_set_macip *table = (struct ip_set_macip *) map->members; -+ struct ip_set_req_macipmap *req = (struct ip_set_req_macipmap *) data; -+ -+ if (size != sizeof(struct ip_set_req_macipmap)) { -+ ip_set_printk("data length wrong (want %zu, have %zu)", -+ sizeof(struct ip_set_req_macipmap), -+ size); -+ return -EINVAL; -+ } -+ -+ if (req->ip < map->first_ip || req->ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = req->ip; -+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(req->ip), HIPQUAD(*hash_ip)); -+ if (test_bit(IPSET_MACIP_ISSET, -+ &table[req->ip - map->first_ip].flags)) { -+ return (memcmp(req->ethernet, -+ &table[req->ip - map->first_ip].ethernet, -+ ETH_ALEN) == 0); -+ } else { -+ return (map->flags & IPSET_MACIP_MATCHUNSET ? 1 : 0); -+ } -+} -+ -+static int -+testip_kernel(struct ip_set *set, const struct sk_buff *skb, -+ u_int32_t flags, ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_macipmap *map = -+ (struct ip_set_macipmap *) set->data; -+ struct ip_set_macip *table = -+ (struct ip_set_macip *) map->members; -+ ip_set_ip_t ip; -+ -+ ip = ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr -+ : skb->nh.iph->daddr); -+ DP("flag: %s src: %u.%u.%u.%u dst: %u.%u.%u.%u", -+ flags & IPSET_SRC ? "SRC" : "DST", -+ NIPQUAD(skb->nh.iph->saddr), -+ NIPQUAD(skb->nh.iph->daddr)); -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return 0; -+ -+ *hash_ip = ip; -+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ if (test_bit(IPSET_MACIP_ISSET, &table[ip - map->first_ip].flags)) { -+ /* Is mac pointer valid? -+ * If so, compare... */ -+ return (skb->mac.raw >= skb->head -+ && (skb->mac.raw + ETH_HLEN) <= skb->data -+ && (memcmp(skb->mac.ethernet->h_source, -+ &table[ip - map->first_ip].ethernet, -+ ETH_ALEN) == 0)); -+ } else { -+ return (map->flags & IPSET_MACIP_MATCHUNSET ? 1 : 0); -+ } -+} -+ -+/* returns 0 on success */ -+static inline int -+__addip(struct ip_set *set, -+ ip_set_ip_t ip, unsigned char *ethernet, ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_macipmap *map = -+ (struct ip_set_macipmap *) set->data; -+ struct ip_set_macip *table = -+ (struct ip_set_macip *) map->members; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ if (test_and_set_bit(IPSET_MACIP_ISSET, -+ &table[ip - map->first_ip].flags)) -+ return -EEXIST; -+ -+ *hash_ip = ip; -+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ memcpy(&table[ip - map->first_ip].ethernet, ethernet, ETH_ALEN); -+ return 0; -+} -+ -+static int -+addip(struct ip_set *set, const void *data, size_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_req_macipmap *req = -+ (struct ip_set_req_macipmap *) data; -+ -+ if (size != sizeof(struct ip_set_req_macipmap)) { -+ ip_set_printk("data length wrong (want %zu, have %zu)", -+ sizeof(struct ip_set_req_macipmap), -+ size); -+ return -EINVAL; -+ } -+ return __addip(set, req->ip, req->ethernet, hash_ip); -+} -+ -+static int -+addip_kernel(struct ip_set *set, const struct sk_buff *skb, -+ u_int32_t flags, ip_set_ip_t *hash_ip) -+{ -+ ip_set_ip_t ip; -+ -+ ip = ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr -+ : skb->nh.iph->daddr); -+ -+ if (!(skb->mac.raw >= skb->head -+ && (skb->mac.raw + ETH_HLEN) <= skb->data)) -+ return -EINVAL; -+ -+ return __addip(set, ip, skb->mac.ethernet->h_source, hash_ip); -+} -+ -+static inline int -+__delip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_macipmap *map = -+ (struct ip_set_macipmap *) set->data; -+ struct ip_set_macip *table = -+ (struct ip_set_macip *) map->members; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ if (!test_and_clear_bit(IPSET_MACIP_ISSET, -+ &table[ip - map->first_ip].flags)) -+ return -EEXIST; -+ -+ *hash_ip = ip; -+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ return 0; -+} -+ -+static int -+delip(struct ip_set *set, const void *data, size_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_req_macipmap *req = -+ (struct ip_set_req_macipmap *) data; -+ -+ if (size != sizeof(struct ip_set_req_macipmap)) { -+ ip_set_printk("data length wrong (want %zu, have %zu)", -+ sizeof(struct ip_set_req_macipmap), -+ size); -+ return -EINVAL; -+ } -+ return __delip(set, req->ip, hash_ip); -+} -+ -+static int -+delip_kernel(struct ip_set *set, const struct sk_buff *skb, -+ u_int32_t flags, ip_set_ip_t *hash_ip) -+{ -+ return __delip(set, -+ ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr -+ : skb->nh.iph->daddr), -+ hash_ip); -+} -+ -+static inline size_t members_size(ip_set_id_t from, ip_set_id_t to) -+{ -+ return (size_t)((to - from + 1) * sizeof(struct ip_set_macip)); -+} -+ -+static int create(struct ip_set *set, const void *data, size_t size) -+{ -+ int newbytes; -+ struct ip_set_req_macipmap_create *req = -+ (struct ip_set_req_macipmap_create *) data; -+ struct ip_set_macipmap *map; -+ -+ if (size != sizeof(struct ip_set_req_macipmap_create)) { -+ ip_set_printk("data length wrong (want %zu, have %zu)", -+ sizeof(struct ip_set_req_macipmap_create), -+ size); -+ return -EINVAL; -+ } -+ -+ DP("from %u.%u.%u.%u to %u.%u.%u.%u", -+ HIPQUAD(req->from), HIPQUAD(req->to)); -+ -+ if (req->from > req->to) { -+ DP("bad ip range"); -+ return -ENOEXEC; -+ } -+ -+ if (req->to - req->from > MAX_RANGE) { -+ ip_set_printk("range too big (max %d addresses)", -+ MAX_RANGE); -+ return -ENOEXEC; -+ } -+ -+ map = kmalloc(sizeof(struct ip_set_macipmap), GFP_KERNEL); -+ if (!map) { -+ DP("out of memory for %d bytes", -+ sizeof(struct ip_set_macipmap)); -+ return -ENOMEM; -+ } -+ map->flags = req->flags; -+ map->first_ip = req->from; -+ map->last_ip = req->to; -+ newbytes = members_size(map->first_ip, map->last_ip); -+ map->members = ip_set_malloc(newbytes); -+ DP("members: %u %p", newbytes, map->members); -+ if (!map->members) { -+ DP("out of memory for %d bytes", newbytes); -+ kfree(map); -+ return -ENOMEM; -+ } -+ memset(map->members, 0, newbytes); -+ -+ set->data = map; -+ return 0; -+} -+ -+static void destroy(struct ip_set *set) -+{ -+ struct ip_set_macipmap *map = -+ (struct ip_set_macipmap *) set->data; -+ -+ ip_set_free(map->members, members_size(map->first_ip, map->last_ip)); -+ kfree(map); -+ -+ set->data = NULL; -+} -+ -+static void flush(struct ip_set *set) -+{ -+ struct ip_set_macipmap *map = -+ (struct ip_set_macipmap *) set->data; -+ memset(map->members, 0, members_size(map->first_ip, map->last_ip)); -+} -+ -+static void list_header(const struct ip_set *set, void *data) -+{ -+ struct ip_set_macipmap *map = -+ (struct ip_set_macipmap *) set->data; -+ struct ip_set_req_macipmap_create *header = -+ (struct ip_set_req_macipmap_create *) data; -+ -+ DP("list_header %x %x %u", map->first_ip, map->last_ip, -+ map->flags); -+ -+ header->from = map->first_ip; -+ header->to = map->last_ip; -+ header->flags = map->flags; -+} -+ -+static int list_members_size(const struct ip_set *set) -+{ -+ struct ip_set_macipmap *map = -+ (struct ip_set_macipmap *) set->data; -+ -+ DP("%u", members_size(map->first_ip, map->last_ip)); -+ return members_size(map->first_ip, map->last_ip); -+} -+ -+static void list_members(const struct ip_set *set, void *data) -+{ -+ struct ip_set_macipmap *map = -+ (struct ip_set_macipmap *) set->data; -+ -+ int bytes = members_size(map->first_ip, map->last_ip); -+ -+ DP("members: %u %p", bytes, map->members); -+ memcpy(data, map->members, bytes); -+} -+ -+static struct ip_set_type ip_set_macipmap = { -+ .typename = SETTYPE_NAME, -+ .typecode = IPSET_TYPE_IP, -+ .protocol_version = IP_SET_PROTOCOL_VERSION, -+ .create = &create, -+ .destroy = &destroy, -+ .flush = &flush, -+ .reqsize = sizeof(struct ip_set_req_macipmap), -+ .addip = &addip, -+ .addip_kernel = &addip_kernel, -+ .delip = &delip, -+ .delip_kernel = &delip_kernel, -+ .testip = &testip, -+ .testip_kernel = &testip_kernel, -+ .header_size = sizeof(struct ip_set_req_macipmap_create), -+ .list_header = &list_header, -+ .list_members_size = &list_members_size, -+ .list_members = &list_members, -+ .me = THIS_MODULE, -+}; -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("macipmap type of IP sets"); -+ -+static int __init init(void) -+{ -+ return ip_set_register_set_type(&ip_set_macipmap); -+} -+ -+static void __exit fini(void) -+{ -+ /* FIXME: possible race with ip_set_create() */ -+ ip_set_unregister_set_type(&ip_set_macipmap); -+} -+ -+module_init(init); -+module_exit(fini); ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_nethash.c -@@ -0,0 +1,450 @@ -+/* Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing a cidr nethash set */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_tables.h> -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <asm/softirq.h> -+#include <linux/spinlock.h> -+#include <linux/vmalloc.h> -+#include <linux/random.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_malloc.h> -+#include <linux/netfilter_ipv4/ip_set_nethash.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/netfilter_ipv4/ip_set_prime.h> -+ -+static inline __u32 -+jhash_ip(const struct ip_set_nethash *map, ip_set_ip_t ip) -+{ -+ return jhash_1word(ip, map->initval); -+} -+ -+static inline __u32 -+randhash_ip(const struct ip_set_nethash *map, ip_set_ip_t ip) -+{ -+ return (1 + ip % map->prime); -+} -+ -+static inline __u32 -+hash_id_cidr(struct ip_set_nethash *map, -+ ip_set_ip_t ip, -+ unsigned char cidr, -+ ip_set_ip_t *hash_ip) -+{ -+ __u32 jhash, randhash, id; -+ u_int16_t i; -+ -+ *hash_ip = pack(ip, cidr); -+ jhash = jhash_ip(map, *hash_ip); -+ randhash = randhash_ip(map, *hash_ip); -+ -+ for (i = 0; i < map->probes; i++) { -+ id = (jhash + i * randhash) % map->hashsize; -+ DP("hash key: %u", id); -+ if (map->members[id] == *hash_ip) -+ return id; -+ } -+ return UINT_MAX; -+} -+ -+static inline __u32 -+hash_id(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data; -+ __u32 id = UINT_MAX; -+ int i; -+ -+ for (i = 0; i < 30 && map->cidr[i]; i++) { -+ id = hash_id_cidr(map, ip, map->cidr[i], hash_ip); -+ if (id != UINT_MAX) -+ break; -+ } -+ return id; -+} -+ -+static inline int -+__testip_cidr(struct ip_set *set, ip_set_ip_t ip, unsigned char cidr, -+ ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data; -+ -+ return (hash_id_cidr(map, ip, cidr, hash_ip) != UINT_MAX); -+} -+ -+static inline int -+__testip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip) -+{ -+ return (hash_id(set, ip, hash_ip) != UINT_MAX); -+} -+ -+static int -+testip(struct ip_set *set, const void *data, size_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_req_nethash *req = -+ (struct ip_set_req_nethash *) data; -+ -+ if (size != sizeof(struct ip_set_req_nethash)) { -+ ip_set_printk("data length wrong (want %zu, have %zu)", -+ sizeof(struct ip_set_req_nethash), -+ size); -+ return -EINVAL; -+ } -+ return (req->cidr == 32 ? __testip(set, req->ip, hash_ip) -+ : __testip_cidr(set, req->ip, req->cidr, hash_ip)); -+} -+ -+static int -+testip_kernel(struct ip_set *set, const struct sk_buff *skb, -+ u_int32_t flags, ip_set_ip_t *hash_ip) -+{ -+ return __testip(set, -+ ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr -+ : skb->nh.iph->daddr), -+ hash_ip); -+} -+ -+static inline int -+__addip_base(struct ip_set_nethash *map, ip_set_ip_t ip) -+{ -+ __u32 jhash, randhash, probe; -+ u_int16_t i; -+ -+ jhash = jhash_ip(map, ip); -+ randhash = randhash_ip(map, ip); -+ -+ for (i = 0; i < map->probes; i++) { -+ probe = (jhash + i * randhash) % map->hashsize; -+ if (map->members[probe] == ip) -+ return -EEXIST; -+ if (!map->members[probe]) { -+ map->members[probe] = ip; -+ return 0; -+ } -+ } -+ /* Trigger rehashing */ -+ return -EAGAIN; -+} -+ -+static inline int -+__addip(struct ip_set_nethash *map, ip_set_ip_t ip, unsigned char cidr, -+ ip_set_ip_t *hash_ip) -+{ -+ *hash_ip = pack(ip, cidr); -+ DP("%u.%u.%u.%u/%u, %u.%u.%u.%u", HIPQUAD(ip), cidr, HIPQUAD(*hash_ip)); -+ -+ return __addip_base(map, *hash_ip); -+} -+ -+static void -+update_cidr_sizes(struct ip_set_nethash *map, unsigned char cidr) -+{ -+ unsigned char next; -+ int i; -+ -+ for (i = 0; i < 30 && map->cidr[i]; i++) { -+ if (map->cidr[i] == cidr) { -+ return; -+ } else if (map->cidr[i] < cidr) { -+ next = map->cidr[i]; -+ map->cidr[i] = cidr; -+ cidr = next; -+ } -+ } -+ if (i < 30) -+ map->cidr[i] = cidr; -+} -+ -+static int -+addip(struct ip_set *set, const void *data, size_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_req_nethash *req = -+ (struct ip_set_req_nethash *) data; -+ int ret; -+ -+ if (size != sizeof(struct ip_set_req_nethash)) { -+ ip_set_printk("data length wrong (want %zu, have %zu)", -+ sizeof(struct ip_set_req_nethash), -+ size); -+ return -EINVAL; -+ } -+ ret = __addip((struct ip_set_nethash *) set->data, -+ req->ip, req->cidr, hash_ip); -+ -+ if (ret == 0) -+ update_cidr_sizes((struct ip_set_nethash *) set->data, -+ req->cidr); -+ -+ return ret; -+} -+ -+static int -+addip_kernel(struct ip_set *set, const struct sk_buff *skb, -+ u_int32_t flags, ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data; -+ int ret = -ERANGE; -+ ip_set_ip_t ip = ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr -+ : skb->nh.iph->daddr); -+ -+ if (map->cidr[0]) -+ ret = __addip(map, ip, map->cidr[0], hash_ip); -+ -+ return ret; -+} -+ -+static int retry(struct ip_set *set) -+{ -+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data; -+ ip_set_ip_t *members; -+ u_int32_t i, hashsize; -+ unsigned newbytes; -+ int res; -+ struct ip_set_nethash tmp = { -+ .hashsize = map->hashsize, -+ .probes = map->probes, -+ .resize = map->resize -+ }; -+ -+ if (map->resize == 0) -+ return -ERANGE; -+ -+ memcpy(tmp.cidr, map->cidr, 30 * sizeof(unsigned char)); -+ again: -+ res = 0; -+ -+ /* Calculate new parameters */ -+ get_random_bytes(&tmp.initval, 4); -+ hashsize = tmp.hashsize + (tmp.hashsize * map->resize)/100; -+ if (hashsize == tmp.hashsize) -+ hashsize++; -+ tmp.prime = make_prime(hashsize); -+ -+ ip_set_printk("rehashing of set %s triggered: " -+ "hashsize grows from %u to %u", -+ set->name, tmp.hashsize, hashsize); -+ tmp.hashsize = hashsize; -+ -+ newbytes = hashsize * sizeof(ip_set_ip_t); -+ tmp.members = ip_set_malloc(newbytes); -+ if (!tmp.members) { -+ DP("out of memory for %d bytes", newbytes); -+ return -ENOMEM; -+ } -+ memset(tmp.members, 0, newbytes); -+ -+ write_lock_bh(&set->lock); -+ map = (struct ip_set_nethash *) set->data; /* Play safe */ -+ for (i = 0; i < map->hashsize && res == 0; i++) { -+ if (map->members[i]) -+ res = __addip_base(&tmp, map->members[i]); -+ } -+ if (res) { -+ /* Failure, try again */ -+ write_unlock_bh(&set->lock); -+ ip_set_free(tmp.members, newbytes); -+ goto again; -+ } -+ -+ /* Success at resizing! */ -+ members = map->members; -+ hashsize = map->hashsize; -+ -+ map->initval = tmp.initval; -+ map->prime = tmp.prime; -+ map->hashsize = tmp.hashsize; -+ map->members = tmp.members; -+ write_unlock_bh(&set->lock); -+ -+ ip_set_free(members, hashsize * sizeof(ip_set_ip_t)); -+ -+ return 0; -+} -+ -+static inline int -+__delip(struct ip_set_nethash *map, ip_set_ip_t ip, unsigned char cidr, -+ ip_set_ip_t *hash_ip) -+{ -+ ip_set_ip_t id = hash_id_cidr(map, ip, cidr, hash_ip); -+ -+ if (id == UINT_MAX) -+ return -EEXIST; -+ -+ map->members[id] = 0; -+ return 0; -+} -+ -+static int -+delip(struct ip_set *set, const void *data, size_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_req_nethash *req = -+ (struct ip_set_req_nethash *) data; -+ -+ if (size != sizeof(struct ip_set_req_nethash)) { -+ ip_set_printk("data length wrong (want %zu, have %zu)", -+ sizeof(struct ip_set_req_nethash), -+ size); -+ return -EINVAL; -+ } -+ /* TODO: no garbage collection in map->cidr */ -+ return __delip((struct ip_set_nethash *) set->data, -+ req->ip, req->cidr, hash_ip); -+} -+ -+static int -+delip_kernel(struct ip_set *set, const struct sk_buff *skb, -+ u_int32_t flags, ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data; -+ int ret = -ERANGE; -+ ip_set_ip_t ip = ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr -+ : skb->nh.iph->daddr); -+ -+ if (map->cidr[0]) -+ ret = __delip(map, ip, map->cidr[0], hash_ip); -+ -+ return ret; -+} -+ -+static int create(struct ip_set *set, const void *data, size_t size) -+{ -+ unsigned newbytes; -+ struct ip_set_req_nethash_create *req = -+ (struct ip_set_req_nethash_create *) data; -+ struct ip_set_nethash *map; -+ -+ if (size != sizeof(struct ip_set_req_nethash_create)) { -+ ip_set_printk("data length wrong (want %zu, have %zu)", -+ sizeof(struct ip_set_req_nethash_create), -+ size); -+ return -EINVAL; -+ } -+ -+ if (req->hashsize < 1) { -+ ip_set_printk("hashsize too small"); -+ return -ENOEXEC; -+ } -+ -+ map = kmalloc(sizeof(struct ip_set_nethash), GFP_KERNEL); -+ if (!map) { -+ DP("out of memory for %d bytes", -+ sizeof(struct ip_set_nethash)); -+ return -ENOMEM; -+ } -+ get_random_bytes(&map->initval, 4); -+ map->prime = make_prime(req->hashsize); -+ map->hashsize = req->hashsize; -+ map->probes = req->probes; -+ map->resize = req->resize; -+ memset(map->cidr, 0, 30 * sizeof(unsigned char)); -+ newbytes = map->hashsize * sizeof(ip_set_ip_t); -+ map->members = ip_set_malloc(newbytes); -+ if (!map->members) { -+ DP("out of memory for %d bytes", newbytes); -+ kfree(map); -+ return -ENOMEM; -+ } -+ memset(map->members, 0, newbytes); -+ -+ set->data = map; -+ return 0; -+} -+ -+static void destroy(struct ip_set *set) -+{ -+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data; -+ -+ ip_set_free(map->members, map->hashsize * sizeof(ip_set_ip_t)); -+ kfree(map); -+ -+ set->data = NULL; -+} -+ -+static void flush(struct ip_set *set) -+{ -+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data; -+ memset(map->members, 0, map->hashsize * sizeof(ip_set_ip_t)); -+ memset(map->cidr, 0, 30 * sizeof(unsigned char)); -+} -+ -+static void list_header(const struct ip_set *set, void *data) -+{ -+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data; -+ struct ip_set_req_nethash_create *header = -+ (struct ip_set_req_nethash_create *) data; -+ -+ header->hashsize = map->hashsize; -+ header->probes = map->probes; -+ header->resize = map->resize; -+} -+ -+static int list_members_size(const struct ip_set *set) -+{ -+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data; -+ -+ return (map->hashsize * sizeof(ip_set_ip_t)); -+} -+ -+static void list_members(const struct ip_set *set, void *data) -+{ -+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data; -+ int bytes = map->hashsize * sizeof(ip_set_ip_t); -+ -+ memcpy(data, map->members, bytes); -+} -+ -+static struct ip_set_type ip_set_nethash = { -+ .typename = SETTYPE_NAME, -+ .typecode = IPSET_TYPE_IP, -+ .protocol_version = IP_SET_PROTOCOL_VERSION, -+ .create = &create, -+ .destroy = &destroy, -+ .flush = &flush, -+ .reqsize = sizeof(struct ip_set_req_nethash), -+ .addip = &addip, -+ .addip_kernel = &addip_kernel, -+ .retry = &retry, -+ .delip = &delip, -+ .delip_kernel = &delip_kernel, -+ .testip = &testip, -+ .testip_kernel = &testip_kernel, -+ .header_size = sizeof(struct ip_set_req_nethash_create), -+ .list_header = &list_header, -+ .list_members_size = &list_members_size, -+ .list_members = &list_members, -+ .me = THIS_MODULE, -+}; -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("nethash type of IP sets"); -+ -+static int __init init(void) -+{ -+ return ip_set_register_set_type(&ip_set_nethash); -+} -+ -+static void __exit fini(void) -+{ -+ /* FIXME: possible race with ip_set_create() */ -+ ip_set_unregister_set_type(&ip_set_nethash); -+} -+ -+module_init(init); -+module_exit(fini); ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_portmap.c -@@ -0,0 +1,321 @@ -+/* Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing a port set type as a bitmap */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/tcp.h> -+#include <linux/udp.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_tables.h> -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <asm/softirq.h> -+#include <linux/spinlock.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_portmap.h> -+ -+static inline ip_set_ip_t -+get_port(const struct sk_buff *skb, u_int32_t flags) -+{ -+ struct iphdr *iph = skb->nh.iph; -+ u_int16_t offset = ntohs(iph->frag_off) & IP_OFFSET; -+ -+ switch (iph->protocol) { -+ case IPPROTO_TCP: { -+ struct tcphdr *tcph = (struct tcphdr *)((u_int32_t *)iph + iph->ihl); -+ -+ /* See comments at tcp_match in ip_tables.c */ -+ if (offset != 0 -+ || (offset == 0 -+ && (skb->len - iph->ihl * 4) < sizeof(struct tcphdr))) -+ return INVALID_PORT; -+ -+ return ntohs(flags & IPSET_SRC ? -+ tcph->source : tcph->dest); -+ } -+ case IPPROTO_UDP: { -+ struct udphdr *udph = (struct udphdr *)((u_int32_t *)iph + iph->ihl); -+ -+ if (offset != 0 -+ || (offset == 0 -+ && (skb->len - iph->ihl * 4) < sizeof(struct udphdr))) -+ return INVALID_PORT; -+ -+ return ntohs(flags & IPSET_SRC ? -+ udph->source : udph->dest); -+ } -+ default: -+ return INVALID_PORT; -+ } -+} -+ -+static inline int -+__testport(struct ip_set *set, ip_set_ip_t port, ip_set_ip_t *hash_port) -+{ -+ struct ip_set_portmap *map = (struct ip_set_portmap *) set->data; -+ -+ if (port < map->first_port || port > map->last_port) -+ return -ERANGE; -+ -+ *hash_port = port; -+ DP("set: %s, port:%u, %u", set->name, port, *hash_port); -+ return !!test_bit(port - map->first_port, map->members); -+} -+ -+static int -+testport(struct ip_set *set, const void *data, size_t size, -+ ip_set_ip_t *hash_port) -+{ -+ struct ip_set_req_portmap *req = -+ (struct ip_set_req_portmap *) data; -+ -+ if (size != sizeof(struct ip_set_req_portmap)) { -+ ip_set_printk("data length wrong (want %zu, have %zu)", -+ sizeof(struct ip_set_req_portmap), -+ size); -+ return -EINVAL; -+ } -+ return __testport(set, req->port, hash_port); -+} -+ -+static int -+testport_kernel(struct ip_set *set, const struct sk_buff *skb, -+ u_int32_t flags, ip_set_ip_t *hash_port) -+{ -+ int res; -+ ip_set_ip_t port = get_port(skb, flags); -+ -+ DP("flag %s port %u", flags & IPSET_SRC ? "SRC" : "DST", port); -+ if (port == INVALID_PORT) -+ return 0; -+ -+ res = __testport(set, port, hash_port); -+ -+ return (res < 0 ? 0 : res); -+} -+ -+static inline int -+__addport(struct ip_set *set, ip_set_ip_t port, ip_set_ip_t *hash_port) -+{ -+ struct ip_set_portmap *map = (struct ip_set_portmap *) set->data; -+ -+ if (port < map->first_port || port > map->last_port) -+ return -ERANGE; -+ if (test_and_set_bit(port - map->first_port, map->members)) -+ return -EEXIST; -+ -+ *hash_port = port; -+ DP("port %u", port); -+ return 0; -+} -+ -+static int -+addport(struct ip_set *set, const void *data, size_t size, -+ ip_set_ip_t *hash_port) -+{ -+ struct ip_set_req_portmap *req = -+ (struct ip_set_req_portmap *) data; -+ -+ if (size != sizeof(struct ip_set_req_portmap)) { -+ ip_set_printk("data length wrong (want %zu, have %zu)", -+ sizeof(struct ip_set_req_portmap), -+ size); -+ return -EINVAL; -+ } -+ return __addport(set, req->port, hash_port); -+} -+ -+static int -+addport_kernel(struct ip_set *set, const struct sk_buff *skb, -+ u_int32_t flags, ip_set_ip_t *hash_port) -+{ -+ ip_set_ip_t port = get_port(skb, flags); -+ -+ if (port == INVALID_PORT) -+ return -EINVAL; -+ -+ return __addport(set, port, hash_port); -+} -+ -+static inline int -+__delport(struct ip_set *set, ip_set_ip_t port, ip_set_ip_t *hash_port) -+{ -+ struct ip_set_portmap *map = (struct ip_set_portmap *) set->data; -+ -+ if (port < map->first_port || port > map->last_port) -+ return -ERANGE; -+ if (!test_and_clear_bit(port - map->first_port, map->members)) -+ return -EEXIST; -+ -+ *hash_port = port; -+ DP("port %u", port); -+ return 0; -+} -+ -+static int -+delport(struct ip_set *set, const void *data, size_t size, -+ ip_set_ip_t *hash_port) -+{ -+ struct ip_set_req_portmap *req = -+ (struct ip_set_req_portmap *) data; -+ -+ if (size != sizeof(struct ip_set_req_portmap)) { -+ ip_set_printk("data length wrong (want %zu, have %zu)", -+ sizeof(struct ip_set_req_portmap), -+ size); -+ return -EINVAL; -+ } -+ return __delport(set, req->port, hash_port); -+} -+ -+static int -+delport_kernel(struct ip_set *set, const struct sk_buff *skb, -+ u_int32_t flags, ip_set_ip_t *hash_port) -+{ -+ ip_set_ip_t port = get_port(skb, flags); -+ -+ if (port == INVALID_PORT) -+ return -EINVAL; -+ -+ return __delport(set, port, hash_port); -+} -+ -+static int create(struct ip_set *set, const void *data, size_t size) -+{ -+ int newbytes; -+ struct ip_set_req_portmap_create *req = -+ (struct ip_set_req_portmap_create *) data; -+ struct ip_set_portmap *map; -+ -+ if (size != sizeof(struct ip_set_req_portmap_create)) { -+ ip_set_printk("data length wrong (want %zu, have %zu)", -+ sizeof(struct ip_set_req_portmap_create), -+ size); -+ return -EINVAL; -+ } -+ -+ DP("from %u to %u", req->from, req->to); -+ -+ if (req->from > req->to) { -+ DP("bad port range"); -+ return -ENOEXEC; -+ } -+ -+ if (req->to - req->from > MAX_RANGE) { -+ ip_set_printk("range too big (max %d ports)", -+ MAX_RANGE); -+ return -ENOEXEC; -+ } -+ -+ map = kmalloc(sizeof(struct ip_set_portmap), GFP_KERNEL); -+ if (!map) { -+ DP("out of memory for %d bytes", -+ sizeof(struct ip_set_portmap)); -+ return -ENOMEM; -+ } -+ map->first_port = req->from; -+ map->last_port = req->to; -+ newbytes = bitmap_bytes(req->from, req->to); -+ map->members = kmalloc(newbytes, GFP_KERNEL); -+ if (!map->members) { -+ DP("out of memory for %d bytes", newbytes); -+ kfree(map); -+ return -ENOMEM; -+ } -+ memset(map->members, 0, newbytes); -+ -+ set->data = map; -+ return 0; -+} -+ -+static void destroy(struct ip_set *set) -+{ -+ struct ip_set_portmap *map = (struct ip_set_portmap *) set->data; -+ -+ kfree(map->members); -+ kfree(map); -+ -+ set->data = NULL; -+} -+ -+static void flush(struct ip_set *set) -+{ -+ struct ip_set_portmap *map = (struct ip_set_portmap *) set->data; -+ memset(map->members, 0, bitmap_bytes(map->first_port, map->last_port)); -+} -+ -+static void list_header(const struct ip_set *set, void *data) -+{ -+ struct ip_set_portmap *map = (struct ip_set_portmap *) set->data; -+ struct ip_set_req_portmap_create *header = -+ (struct ip_set_req_portmap_create *) data; -+ -+ DP("list_header %u %u", map->first_port, map->last_port); -+ -+ header->from = map->first_port; -+ header->to = map->last_port; -+} -+ -+static int list_members_size(const struct ip_set *set) -+{ -+ struct ip_set_portmap *map = (struct ip_set_portmap *) set->data; -+ -+ return bitmap_bytes(map->first_port, map->last_port); -+} -+ -+static void list_members(const struct ip_set *set, void *data) -+{ -+ struct ip_set_portmap *map = (struct ip_set_portmap *) set->data; -+ int bytes = bitmap_bytes(map->first_port, map->last_port); -+ -+ memcpy(data, map->members, bytes); -+} -+ -+static struct ip_set_type ip_set_portmap = { -+ .typename = SETTYPE_NAME, -+ .typecode = IPSET_TYPE_PORT, -+ .protocol_version = IP_SET_PROTOCOL_VERSION, -+ .create = &create, -+ .destroy = &destroy, -+ .flush = &flush, -+ .reqsize = sizeof(struct ip_set_req_portmap), -+ .addip = &addport, -+ .addip_kernel = &addport_kernel, -+ .delip = &delport, -+ .delip_kernel = &delport_kernel, -+ .testip = &testport, -+ .testip_kernel = &testport_kernel, -+ .header_size = sizeof(struct ip_set_req_portmap_create), -+ .list_header = &list_header, -+ .list_members_size = &list_members_size, -+ .list_members = &list_members, -+ .me = THIS_MODULE, -+}; -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("portmap type of IP sets"); -+ -+static int __init init(void) -+{ -+ return ip_set_register_set_type(&ip_set_portmap); -+} -+ -+static void __exit fini(void) -+{ -+ /* FIXME: possible race with ip_set_create() */ -+ ip_set_unregister_set_type(&ip_set_portmap); -+} -+ -+module_init(init); -+module_exit(fini); ---- /dev/null -+++ b/net/ipv4/netfilter/ipt_set.c -@@ -0,0 +1,114 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Martin Josefsson <gandalf@wlug.westbo.se> -+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module to match an IP set. */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+ -+#include <linux/netfilter_ipv4/ip_tables.h> -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ipt_set.h> -+ -+static inline int -+match_set(const struct ipt_set_info *info, -+ const struct sk_buff *skb, -+ int inv) -+{ -+ if (ip_set_testip_kernel(info->index, skb, info->flags)) -+ inv = !inv; -+ return inv; -+} -+ -+static int -+match(const struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ const void *matchinfo, -+ int offset, -+ const void *hdr, -+ u_int16_t datalen, -+ int *hotdrop) -+{ -+ const struct ipt_set_info_match *info = matchinfo; -+ -+ return match_set(&info->match_set, -+ skb, -+ info->match_set.flags[0] & IPSET_MATCH_INV); -+} -+ -+static int -+checkentry(const char *tablename, -+ const struct ipt_ip *ip, -+ void *matchinfo, -+ unsigned int matchsize, -+ unsigned int hook_mask) -+{ -+ struct ipt_set_info_match *info = -+ (struct ipt_set_info_match *) matchinfo; -+ ip_set_id_t index; -+ -+ if (matchsize != IPT_ALIGN(sizeof(struct ipt_set_info_match))) { -+ ip_set_printk("invalid matchsize %d", matchsize); -+ return 0; -+ } -+ -+ index = ip_set_get_byindex(info->match_set.index); -+ -+ if (index == IP_SET_INVALID_ID) { -+ ip_set_printk("Cannot find set indentified by id %u to match", -+ info->match_set.index); -+ return 0; /* error */ -+ } -+ if (info->match_set.flags[IP_SET_MAX_BINDINGS] != 0) { -+ ip_set_printk("That's nasty!"); -+ return 0; /* error */ -+ } -+ -+ return 1; -+} -+ -+static void destroy(void *matchinfo, unsigned int matchsize) -+{ -+ struct ipt_set_info_match *info = matchinfo; -+ -+ if (matchsize != IPT_ALIGN(sizeof(struct ipt_set_info_match))) { -+ ip_set_printk("invalid matchsize %d", matchsize); -+ return; -+ } -+ -+ ip_set_put(info->match_set.index); -+} -+ -+static struct ipt_match set_match = { -+ .name = "set", -+ .match = &match, -+ .checkentry = &checkentry, -+ .destroy = &destroy, -+ .me = THIS_MODULE -+}; -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("iptables IP set match module"); -+ -+static int __init init(void) -+{ -+ return ipt_register_match(&set_match); -+} -+ -+static void __exit fini(void) -+{ -+ ipt_unregister_match(&set_match); -+} -+ -+module_init(init); -+module_exit(fini); ---- /dev/null -+++ b/net/ipv4/netfilter/ipt_SET.c -@@ -0,0 +1,127 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Martin Josefsson <gandalf@wlug.westbo.se> -+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* ipt_SET.c - netfilter target to manipulate IP sets */ -+ -+#include <linux/types.h> -+#include <linux/ip.h> -+#include <linux/timer.h> -+#include <linux/module.h> -+#include <linux/netfilter.h> -+#include <linux/netdevice.h> -+#include <linux/if.h> -+#include <linux/inetdevice.h> -+#include <net/protocol.h> -+#include <net/checksum.h> -+#include <linux/netfilter_ipv4.h> -+#include <linux/netfilter_ipv4/ip_nat_rule.h> -+#include <linux/netfilter_ipv4/ipt_set.h> -+ -+static unsigned int -+target(struct sk_buff **pskb, -+ unsigned int hooknum, -+ const struct net_device *in, -+ const struct net_device *out, -+ const void *targinfo, -+ void *userinfo) -+{ -+ const struct ipt_set_info_target *info = targinfo; -+ -+ if (info->add_set.index != IP_SET_INVALID_ID) -+ ip_set_addip_kernel(info->add_set.index, -+ *pskb, -+ info->add_set.flags); -+ if (info->del_set.index != IP_SET_INVALID_ID) -+ ip_set_delip_kernel(info->del_set.index, -+ *pskb, -+ info->del_set.flags); -+ -+ return IPT_CONTINUE; -+} -+ -+static int -+checkentry(const char *tablename, -+ const struct ipt_entry *e, -+ void *targinfo, -+ unsigned int targinfosize, unsigned int hook_mask) -+{ -+ struct ipt_set_info_target *info = -+ (struct ipt_set_info_target *) targinfo; -+ ip_set_id_t index; -+ -+ if (targinfosize != IPT_ALIGN(sizeof(*info))) { -+ DP("bad target info size %u", targinfosize); -+ return 0; -+ } -+ -+ if (info->add_set.index != IP_SET_INVALID_ID) { -+ index = ip_set_get_byindex(info->add_set.index); -+ if (index == IP_SET_INVALID_ID) { -+ ip_set_printk("cannot find add_set index %u as target", -+ info->add_set.index); -+ return 0; /* error */ -+ } -+ } -+ -+ if (info->del_set.index != IP_SET_INVALID_ID) { -+ index = ip_set_get_byindex(info->del_set.index); -+ if (index == IP_SET_INVALID_ID) { -+ ip_set_printk("cannot find del_set index %u as target", -+ info->del_set.index); -+ return 0; /* error */ -+ } -+ } -+ if (info->add_set.flags[IP_SET_MAX_BINDINGS] != 0 -+ || info->del_set.flags[IP_SET_MAX_BINDINGS] != 0) { -+ ip_set_printk("That's nasty!"); -+ return 0; /* error */ -+ } -+ return 1; -+} -+ -+static void destroy(void *targetinfo, unsigned int targetsize) -+{ -+ struct ipt_set_info_target *info = targetinfo; -+ -+ if (targetsize != IPT_ALIGN(sizeof(struct ipt_set_info_target))) { -+ ip_set_printk("invalid targetsize %d", targetsize); -+ return; -+ } -+ -+ if (info->add_set.index != IP_SET_INVALID_ID) -+ ip_set_put(info->add_set.index); -+ if (info->del_set.index != IP_SET_INVALID_ID) -+ ip_set_put(info->del_set.index); -+} -+ -+static struct ipt_target SET_target = { -+ .name = "SET", -+ .target = target, -+ .checkentry = checkentry, -+ .destroy = destroy, -+ .me = THIS_MODULE -+}; -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("iptables IP set target module"); -+ -+static int __init init(void) -+{ -+ return ipt_register_target(&SET_target); -+} -+ -+static void __exit fini(void) -+{ -+ ipt_unregister_target(&SET_target); -+} -+ -+module_init(init); -+module_exit(fini); ---- a/net/ipv4/netfilter/Makefile -+++ b/net/ipv4/netfilter/Makefile -@@ -66,6 +66,18 @@ obj-$(CONFIG_IP_NF_NAT) += iptable_nat.o - obj-$(CONFIG_IP_NF_MATCH_HELPER) += ipt_helper.o - obj-$(CONFIG_IP_NF_MATCH_LIMIT) += ipt_limit.o - obj-$(CONFIG_IP_NF_MATCH_MARK) += ipt_mark.o -+obj-$(CONFIG_IP_NF_MATCH_SET) += ipt_set.o -+obj-$(CONFIG_IP_NF_TARGET_SET) += ipt_SET.o -+ifdef CONFIG_IP_NF_SET -+ obj-$(CONFIG_IP_NF_SET) += ip_set.o -+ export-objs += ip_set.o -+endif -+obj-$(CONFIG_IP_NF_SET_IPMAP) += ip_set_ipmap.o -+obj-$(CONFIG_IP_NF_SET_PORTMAP) += ip_set_portmap.o -+obj-$(CONFIG_IP_NF_SET_MACIPMAP) += ip_set_macipmap.o -+obj-$(CONFIG_IP_NF_SET_IPHASH) += ip_set_iphash.o -+obj-$(CONFIG_IP_NF_SET_NETHASH) += ip_set_nethash.o -+obj-$(CONFIG_IP_NF_SET_IPTREE) += ip_set_iptree.o - obj-$(CONFIG_IP_NF_MATCH_MAC) += ipt_mac.o - obj-$(CONFIG_IP_NF_MATCH_IPP2P) += ipt_ipp2p.o - diff --git a/target/linux/generic-2.4/patches/609-netfilter_string.patch b/target/linux/generic-2.4/patches/609-netfilter_string.patch index baec7b2371..87934eda74 100644 --- a/target/linux/generic-2.4/patches/609-netfilter_string.patch +++ b/target/linux/generic-2.4/patches/609-netfilter_string.patch @@ -21,7 +21,7 @@ +#endif /*_IPT_STRING_H*/ --- a/net/ipv4/netfilter/Config.in +++ b/net/ipv4/netfilter/Config.in -@@ -61,6 +61,7 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ]; +@@ -47,6 +47,7 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ]; fi if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then dep_tristate ' Unclean match support (EXPERIMENTAL)' CONFIG_IP_NF_MATCH_UNCLEAN $CONFIG_IP_NF_IPTABLES @@ -133,7 +133,7 @@ +module_exit(fini); --- a/net/ipv4/netfilter/Makefile +++ b/net/ipv4/netfilter/Makefile -@@ -99,6 +99,7 @@ obj-$(CONFIG_IP_NF_MATCH_STATE) += ipt_s +@@ -87,6 +87,7 @@ obj-$(CONFIG_IP_NF_MATCH_STATE) += ipt_s obj-$(CONFIG_IP_NF_MATCH_CONNMARK) += ipt_connmark.o obj-$(CONFIG_IP_NF_MATCH_CONNTRACK) += ipt_conntrack.o obj-$(CONFIG_IP_NF_MATCH_UNCLEAN) += ipt_unclean.o diff --git a/target/linux/generic-2.4/patches/610-netfilter_connbytes.patch b/target/linux/generic-2.4/patches/610-netfilter_connbytes.patch index ec1c14ac26..a5bc17e37a 100644 --- a/target/linux/generic-2.4/patches/610-netfilter_connbytes.patch +++ b/target/linux/generic-2.4/patches/610-netfilter_connbytes.patch @@ -11,7 +11,7 @@ if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then --- a/net/ipv4/netfilter/Makefile +++ b/net/ipv4/netfilter/Makefile -@@ -97,6 +97,7 @@ obj-$(CONFIG_IP_NF_MATCH_LENGTH) += ipt_ +@@ -85,6 +85,7 @@ obj-$(CONFIG_IP_NF_MATCH_LENGTH) += ipt_ obj-$(CONFIG_IP_NF_MATCH_TTL) += ipt_ttl.o obj-$(CONFIG_IP_NF_MATCH_STATE) += ipt_state.o obj-$(CONFIG_IP_NF_MATCH_CONNMARK) += ipt_connmark.o diff --git a/target/linux/generic-2.4/patches/611-netfilter_condition.patch b/target/linux/generic-2.4/patches/611-netfilter_condition.patch index 873e60e372..511d32a06f 100644 --- a/target/linux/generic-2.4/patches/611-netfilter_condition.patch +++ b/target/linux/generic-2.4/patches/611-netfilter_condition.patch @@ -15,7 +15,7 @@ conntrack match support CONFIG_IP_NF_MATCH_CONNTRACK This is a general conntrack match module, a superset of the state match. -@@ -3365,6 +3373,14 @@ CONFIG_IP6_NF_MATCH_MARK +@@ -3296,6 +3304,14 @@ CONFIG_IP6_NF_MATCH_MARK If you want to compile it as a module, say M here and read <file:Documentation/modules.txt>. If unsure, say `N'. @@ -60,7 +60,7 @@ +#endif --- a/net/ipv4/netfilter/Config.in +++ b/net/ipv4/netfilter/Config.in -@@ -41,6 +41,7 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ]; +@@ -27,6 +27,7 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ]; dep_tristate ' netfilter MARK match support' CONFIG_IP_NF_MATCH_MARK $CONFIG_IP_NF_IPTABLES dep_tristate ' Multiple port match support' CONFIG_IP_NF_MATCH_MULTIPORT $CONFIG_IP_NF_IPTABLES dep_tristate ' TOS match support' CONFIG_IP_NF_MATCH_TOS $CONFIG_IP_NF_IPTABLES @@ -70,7 +70,7 @@ dep_tristate ' peer to peer traffic match support' CONFIG_IP_NF_MATCH_IPP2P $CONFIG_IP_NF_IPTABLES --- a/net/ipv4/netfilter/Makefile +++ b/net/ipv4/netfilter/Makefile -@@ -85,6 +85,7 @@ obj-$(CONFIG_IP_NF_MATCH_PKTTYPE) += ipt +@@ -73,6 +73,7 @@ obj-$(CONFIG_IP_NF_MATCH_PKTTYPE) += ipt obj-$(CONFIG_IP_NF_MATCH_MULTIPORT) += ipt_multiport.o obj-$(CONFIG_IP_NF_MATCH_OWNER) += ipt_owner.o obj-$(CONFIG_IP_NF_MATCH_TOS) += ipt_tos.o diff --git a/target/linux/generic-2.4/patches/612-netfilter_quota.patch b/target/linux/generic-2.4/patches/612-netfilter_quota.patch index 5336aadcc5..d5bb1e2426 100644 --- a/target/linux/generic-2.4/patches/612-netfilter_quota.patch +++ b/target/linux/generic-2.4/patches/612-netfilter_quota.patch @@ -36,9 +36,9 @@ # The simple matches. dep_tristate ' limit match support' CONFIG_IP_NF_MATCH_LIMIT $CONFIG_IP_NF_IPTABLES + dep_tristate ' quota match support' CONFIG_IP_NF_MATCH_QUOTA $CONFIG_IP_NF_IPTABLES - - dep_tristate ' IP set support' CONFIG_IP_NF_SET $CONFIG_IP_NF_IPTABLES - if [ "$CONFIG_IP_NF_SET" != "n" ]; then + dep_tristate ' MAC address match support' CONFIG_IP_NF_MATCH_MAC $CONFIG_IP_NF_IPTABLES + dep_tristate ' Packet type match support' CONFIG_IP_NF_MATCH_PKTTYPE $CONFIG_IP_NF_IPTABLES + dep_tristate ' netfilter MARK match support' CONFIG_IP_NF_MATCH_MARK $CONFIG_IP_NF_IPTABLES --- a/net/ipv4/netfilter/Makefile +++ b/net/ipv4/netfilter/Makefile @@ -65,6 +65,7 @@ obj-$(CONFIG_IP_NF_NAT) += iptable_nat.o @@ -47,8 +47,8 @@ obj-$(CONFIG_IP_NF_MATCH_LIMIT) += ipt_limit.o +obj-$(CONFIG_IP_NF_MATCH_QUOTA) += ipt_quota.o obj-$(CONFIG_IP_NF_MATCH_MARK) += ipt_mark.o - obj-$(CONFIG_IP_NF_MATCH_SET) += ipt_set.o - obj-$(CONFIG_IP_NF_TARGET_SET) += ipt_SET.o + obj-$(CONFIG_IP_NF_MATCH_MAC) += ipt_mac.o + obj-$(CONFIG_IP_NF_MATCH_IPP2P) += ipt_ipp2p.o --- /dev/null +++ b/net/ipv4/netfilter/ipt_quota.c @@ -0,0 +1,88 @@ diff --git a/target/linux/generic-2.4/patches/613-netfilter_nat_h323.patch b/target/linux/generic-2.4/patches/613-netfilter_nat_h323.patch index 14f9262f89..950516005f 100644 --- a/target/linux/generic-2.4/patches/613-netfilter_nat_h323.patch +++ b/target/linux/generic-2.4/patches/613-netfilter_nat_h323.patch @@ -8,7 +8,7 @@ fi if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then -@@ -94,6 +95,13 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ]; +@@ -80,6 +81,13 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ]; define_tristate CONFIG_IP_NF_NAT_AMANDA $CONFIG_IP_NF_NAT fi fi diff --git a/target/linux/generic-2.4/patches/614-netfilter_nat_rtsp.patch b/target/linux/generic-2.4/patches/614-netfilter_nat_rtsp.patch index e90ac9d859..94f11e671a 100644 --- a/target/linux/generic-2.4/patches/614-netfilter_nat_rtsp.patch +++ b/target/linux/generic-2.4/patches/614-netfilter_nat_rtsp.patch @@ -8,7 +8,7 @@ fi if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then -@@ -102,6 +103,13 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ]; +@@ -88,6 +89,13 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ]; define_tristate CONFIG_IP_NF_NAT_H323 $CONFIG_IP_NF_NAT fi fi diff --git a/target/linux/generic-2.4/patches/615-netfilter_nat_mms.patch b/target/linux/generic-2.4/patches/615-netfilter_nat_mms.patch index cb07804b1f..511a337d46 100644 --- a/target/linux/generic-2.4/patches/615-netfilter_nat_mms.patch +++ b/target/linux/generic-2.4/patches/615-netfilter_nat_mms.patch @@ -8,7 +8,7 @@ fi if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then -@@ -110,6 +111,13 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ]; +@@ -96,6 +97,13 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ]; define_tristate CONFIG_IP_NF_NAT_RTSP $CONFIG_IP_NF_NAT fi fi diff --git a/target/linux/generic-2.4/patches/616-netfilter_imq.patch b/target/linux/generic-2.4/patches/616-netfilter_imq.patch index 97e1f22e3b..a7e64795b7 100644 --- a/target/linux/generic-2.4/patches/616-netfilter_imq.patch +++ b/target/linux/generic-2.4/patches/616-netfilter_imq.patch @@ -23,7 +23,7 @@ MARK target support CONFIG_IP_NF_TARGET_MARK This option adds a `MARK' target, which allows you to create rules -@@ -9931,6 +9947,20 @@ CONFIG_BONDING +@@ -9862,6 +9878,20 @@ CONFIG_BONDING say M here and read <file:Documentation/modules.txt>. The module will be called bonding.o. @@ -505,7 +505,7 @@ /** --- a/net/ipv4/netfilter/Config.in +++ b/net/ipv4/netfilter/Config.in -@@ -155,6 +155,7 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ]; +@@ -141,6 +141,7 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ]; dep_tristate ' DSCP target support' CONFIG_IP_NF_TARGET_DSCP $CONFIG_IP_NF_MANGLE dep_tristate ' MARK target support' CONFIG_IP_NF_TARGET_MARK $CONFIG_IP_NF_MANGLE @@ -515,7 +515,7 @@ if [ "$CONFIG_IP_NF_CONNTRACK_MARK" != "n" ]; then --- a/net/ipv4/netfilter/Makefile +++ b/net/ipv4/netfilter/Makefile -@@ -130,6 +130,7 @@ obj-$(CONFIG_IP_NF_TARGET_TOS) += ipt_TO +@@ -118,6 +118,7 @@ obj-$(CONFIG_IP_NF_TARGET_TOS) += ipt_TO obj-$(CONFIG_IP_NF_TARGET_ECN) += ipt_ECN.o obj-$(CONFIG_IP_NF_TARGET_DSCP) += ipt_DSCP.o obj-$(CONFIG_IP_NF_TARGET_MARK) += ipt_MARK.o diff --git a/target/linux/generic-2.4/patches/620-netfilter_iprange.patch b/target/linux/generic-2.4/patches/620-netfilter_iprange.patch index f6a15ce23b..50241974c6 100644 --- a/target/linux/generic-2.4/patches/620-netfilter_iprange.patch +++ b/target/linux/generic-2.4/patches/620-netfilter_iprange.patch @@ -49,8 +49,8 @@ dep_tristate ' limit match support' CONFIG_IP_NF_MATCH_LIMIT $CONFIG_IP_NF_IPTABLES + dep_tristate ' IP range match support' CONFIG_IP_NF_MATCH_IPRANGE $CONFIG_IP_NF_IPTABLES dep_tristate ' quota match support' CONFIG_IP_NF_MATCH_QUOTA $CONFIG_IP_NF_IPTABLES - - dep_tristate ' IP set support' CONFIG_IP_NF_SET $CONFIG_IP_NF_IPTABLES + dep_tristate ' MAC address match support' CONFIG_IP_NF_MATCH_MAC $CONFIG_IP_NF_IPTABLES + dep_tristate ' Packet type match support' CONFIG_IP_NF_MATCH_PKTTYPE $CONFIG_IP_NF_IPTABLES --- /dev/null +++ b/net/ipv4/netfilter/ipt_iprange.c @@ -0,0 +1,101 @@ @@ -164,4 +164,4 @@ +obj-$(CONFIG_IP_NF_MATCH_IPRANGE) += ipt_iprange.o obj-$(CONFIG_IP_NF_MATCH_QUOTA) += ipt_quota.o obj-$(CONFIG_IP_NF_MATCH_MARK) += ipt_mark.o - obj-$(CONFIG_IP_NF_MATCH_SET) += ipt_set.o + obj-$(CONFIG_IP_NF_MATCH_MAC) += ipt_mac.o diff --git a/target/linux/generic-2.4/patches/621-netfilter_random.patch b/target/linux/generic-2.4/patches/621-netfilter_random.patch index 2f47db36ca..fbc648b1bc 100644 --- a/target/linux/generic-2.4/patches/621-netfilter_random.patch +++ b/target/linux/generic-2.4/patches/621-netfilter_random.patch @@ -24,7 +24,7 @@ TCPMSS match support CONFIG_IP_NF_MATCH_TCPMSS This option adds a `tcpmss' match, which allows you to examine the -@@ -3387,6 +3397,14 @@ CONFIG_IP6_NF_MATCH_MAC +@@ -3318,6 +3328,14 @@ CONFIG_IP6_NF_MATCH_MAC If you want to compile it as a module, say M here and read <file:Documentation/modules.txt>. If unsure, say `N'. @@ -69,7 +69,7 @@ +#endif /*_IP6T_RAND_H*/ --- a/net/ipv4/netfilter/Config.in +++ b/net/ipv4/netfilter/Config.in -@@ -46,6 +46,7 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ]; +@@ -32,6 +32,7 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ]; dep_tristate ' netfilter MARK match support' CONFIG_IP_NF_MATCH_MARK $CONFIG_IP_NF_IPTABLES dep_tristate ' Multiple port match support' CONFIG_IP_NF_MATCH_MULTIPORT $CONFIG_IP_NF_IPTABLES dep_tristate ' TOS match support' CONFIG_IP_NF_MATCH_TOS $CONFIG_IP_NF_IPTABLES @@ -178,7 +178,7 @@ +module_exit(fini); --- a/net/ipv4/netfilter/Makefile +++ b/net/ipv4/netfilter/Makefile -@@ -105,6 +105,8 @@ obj-$(CONFIG_IP_NF_MATCH_OWNER) += ipt_o +@@ -93,6 +93,8 @@ obj-$(CONFIG_IP_NF_MATCH_OWNER) += ipt_o obj-$(CONFIG_IP_NF_MATCH_TOS) += ipt_tos.o obj-$(CONFIG_IP_NF_MATCH_CONDITION) += ipt_condition.o diff --git a/target/linux/generic-2.4/patches/622-tc_esfq.patch b/target/linux/generic-2.4/patches/622-tc_esfq.patch index 7a6fb63380..5b54cfd963 100644 --- a/target/linux/generic-2.4/patches/622-tc_esfq.patch +++ b/target/linux/generic-2.4/patches/622-tc_esfq.patch @@ -1,6 +1,6 @@ --- a/Documentation/Configure.help +++ b/Documentation/Configure.help -@@ -11165,6 +11165,24 @@ CONFIG_NET_SCH_HFSC +@@ -11096,6 +11096,24 @@ CONFIG_NET_SCH_HFSC whenever you want). If you want to compile it as a module, say M here and read <file:Documentation/modules.txt>. diff --git a/target/linux/generic-2.4/patches/623-netfilter_ipset_porthash.patch b/target/linux/generic-2.4/patches/623-netfilter_ipset_porthash.patch deleted file mode 100644 index 19529ca66b..0000000000 --- a/target/linux/generic-2.4/patches/623-netfilter_ipset_porthash.patch +++ /dev/null @@ -1,37 +0,0 @@ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_ipporthash.h -@@ -0,0 +1,34 @@ -+#ifndef __IP_SET_IPPORTHASH_H -+#define __IP_SET_IPPORTHASH_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+#define SETTYPE_NAME "ipporthash" -+#define MAX_RANGE 0x0000FFFF -+#define INVALID_PORT (MAX_RANGE + 1) -+ -+struct ip_set_ipporthash { -+ ip_set_ip_t *members; /* the ipporthash proper */ -+ uint32_t elements; /* number of elements */ -+ uint32_t hashsize; /* hash size */ -+ uint16_t probes; /* max number of probes */ -+ uint16_t resize; /* resize factor in percent */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ void *initval[0]; /* initvals for jhash_1word */ -+}; -+ -+struct ip_set_req_ipporthash_create { -+ uint32_t hashsize; -+ uint16_t probes; -+ uint16_t resize; -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+}; -+ -+struct ip_set_req_ipporthash { -+ ip_set_ip_t ip; -+ ip_set_ip_t port; -+}; -+ -+#endif /* __IP_SET_IPPORTHASH_H */ diff --git a/target/linux/generic-2.6/patches-2.6.21/130-netfilter_ipset.patch b/target/linux/generic-2.6/patches-2.6.21/130-netfilter_ipset.patch deleted file mode 100644 index 02bfe23641..0000000000 --- a/target/linux/generic-2.6/patches-2.6.21/130-netfilter_ipset.patch +++ /dev/null @@ -1,7749 +0,0 @@ ---- a/include/linux/netfilter_ipv4/Kbuild -+++ b/include/linux/netfilter_ipv4/Kbuild -@@ -59,3 +59,20 @@ unifdef-y += ip_nat.h - unifdef-y += ip_nat_rule.h - unifdef-y += ip_queue.h - unifdef-y += ip_tables.h -+ -+unifdef-y += ip_set.h -+header-y += ip_set_iphash.h -+unifdef-y += ip_set_bitmaps.h -+unifdef-y += ip_set_getport.h -+unifdef-y += ip_set_hashes.h -+header-y += ip_set_ipmap.h -+header-y += ip_set_ipporthash.h -+header-y += ip_set_ipportiphash.h -+header-y += ip_set_ipportnethash.h -+unifdef-y += ip_set_iptree.h -+unifdef-y += ip_set_iptreemap.h -+header-y += ip_set_jhash.h -+header-y += ip_set_macipmap.h -+header-y += ip_set_nethash.h -+header-y += ip_set_portmap.h -+header-y += ip_set_setlist.h ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set.h -@@ -0,0 +1,574 @@ -+#ifndef _IP_SET_H -+#define _IP_SET_H -+ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Martin Josefsson <gandalf@wlug.westbo.se> -+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#if 0 -+#define IP_SET_DEBUG -+#endif -+ -+/* -+ * A sockopt of such quality has hardly ever been seen before on the open -+ * market! This little beauty, hardly ever used: above 64, so it's -+ * traditionally used for firewalling, not touched (even once!) by the -+ * 2.0, 2.2 and 2.4 kernels! -+ * -+ * Comes with its own certificate of authenticity, valid anywhere in the -+ * Free world! -+ * -+ * Rusty, 19.4.2000 -+ */ -+#define SO_IP_SET 83 -+ -+/* -+ * Heavily modify by Joakim Axelsson 08.03.2002 -+ * - Made it more modulebased -+ * -+ * Additional heavy modifications by Jozsef Kadlecsik 22.02.2004 -+ * - bindings added -+ * - in order to "deal with" backward compatibility, renamed to ipset -+ */ -+ -+/* -+ * Used so that the kernel module and ipset-binary can match their versions -+ */ -+#define IP_SET_PROTOCOL_VERSION 3 -+ -+#define IP_SET_MAXNAMELEN 32 /* set names and set typenames */ -+ -+/* Lets work with our own typedef for representing an IP address. -+ * We hope to make the code more portable, possibly to IPv6... -+ * -+ * The representation works in HOST byte order, because most set types -+ * will perform arithmetic operations and compare operations. -+ * -+ * For now the type is an uint32_t. -+ * -+ * Make sure to ONLY use the functions when translating and parsing -+ * in order to keep the host byte order and make it more portable: -+ * parse_ip() -+ * parse_mask() -+ * parse_ipandmask() -+ * ip_tostring() -+ * (Joakim: where are they???) -+ */ -+ -+typedef uint32_t ip_set_ip_t; -+ -+/* Sets are identified by an id in kernel space. Tweak with ip_set_id_t -+ * and IP_SET_INVALID_ID if you want to increase the max number of sets. -+ */ -+typedef uint16_t ip_set_id_t; -+ -+#define IP_SET_INVALID_ID 65535 -+ -+/* How deep we follow bindings */ -+#define IP_SET_MAX_BINDINGS 6 -+ -+/* -+ * Option flags for kernel operations (ipt_set_info) -+ */ -+#define IPSET_SRC 0x01 /* Source match/add */ -+#define IPSET_DST 0x02 /* Destination match/add */ -+#define IPSET_MATCH_INV 0x04 /* Inverse matching */ -+ -+/* -+ * Set features -+ */ -+#define IPSET_TYPE_IP 0x01 /* IP address type of set */ -+#define IPSET_TYPE_PORT 0x02 /* Port type of set */ -+#define IPSET_DATA_SINGLE 0x04 /* Single data storage */ -+#define IPSET_DATA_DOUBLE 0x08 /* Double data storage */ -+#define IPSET_DATA_TRIPLE 0x10 /* Triple data storage */ -+#define IPSET_TYPE_IP1 0x20 /* IP address type of set */ -+#define IPSET_TYPE_SETNAME 0x40 /* setname type of set */ -+ -+/* Reserved keywords */ -+#define IPSET_TOKEN_DEFAULT ":default:" -+#define IPSET_TOKEN_ALL ":all:" -+ -+/* SO_IP_SET operation constants, and their request struct types. -+ * -+ * Operation ids: -+ * 0-99: commands with version checking -+ * 100-199: add/del/test/bind/unbind -+ * 200-299: list, save, restore -+ */ -+ -+/* Single shot operations: -+ * version, create, destroy, flush, rename and swap -+ * -+ * Sets are identified by name. -+ */ -+ -+#define IP_SET_REQ_STD \ -+ unsigned op; \ -+ unsigned version; \ -+ char name[IP_SET_MAXNAMELEN] -+ -+#define IP_SET_OP_CREATE 0x00000001 /* Create a new (empty) set */ -+struct ip_set_req_create { -+ IP_SET_REQ_STD; -+ char typename[IP_SET_MAXNAMELEN]; -+}; -+ -+#define IP_SET_OP_DESTROY 0x00000002 /* Remove a (empty) set */ -+struct ip_set_req_std { -+ IP_SET_REQ_STD; -+}; -+ -+#define IP_SET_OP_FLUSH 0x00000003 /* Remove all IPs in a set */ -+/* Uses ip_set_req_std */ -+ -+#define IP_SET_OP_RENAME 0x00000004 /* Rename a set */ -+/* Uses ip_set_req_create */ -+ -+#define IP_SET_OP_SWAP 0x00000005 /* Swap two sets */ -+/* Uses ip_set_req_create */ -+ -+union ip_set_name_index { -+ char name[IP_SET_MAXNAMELEN]; -+ ip_set_id_t index; -+}; -+ -+#define IP_SET_OP_GET_BYNAME 0x00000006 /* Get set index by name */ -+struct ip_set_req_get_set { -+ unsigned op; -+ unsigned version; -+ union ip_set_name_index set; -+}; -+ -+#define IP_SET_OP_GET_BYINDEX 0x00000007 /* Get set name by index */ -+/* Uses ip_set_req_get_set */ -+ -+#define IP_SET_OP_VERSION 0x00000100 /* Ask kernel version */ -+struct ip_set_req_version { -+ unsigned op; -+ unsigned version; -+}; -+ -+/* Double shots operations: -+ * add, del, test, bind and unbind. -+ * -+ * First we query the kernel to get the index and type of the target set, -+ * then issue the command. Validity of IP is checked in kernel in order -+ * to minimalize sockopt operations. -+ */ -+ -+/* Get minimal set data for add/del/test/bind/unbind IP */ -+#define IP_SET_OP_ADT_GET 0x00000010 /* Get set and type */ -+struct ip_set_req_adt_get { -+ unsigned op; -+ unsigned version; -+ union ip_set_name_index set; -+ char typename[IP_SET_MAXNAMELEN]; -+}; -+ -+#define IP_SET_REQ_BYINDEX \ -+ unsigned op; \ -+ ip_set_id_t index; -+ -+struct ip_set_req_adt { -+ IP_SET_REQ_BYINDEX; -+}; -+ -+#define IP_SET_OP_ADD_IP 0x00000101 /* Add an IP to a set */ -+/* Uses ip_set_req_adt, with type specific addage */ -+ -+#define IP_SET_OP_DEL_IP 0x00000102 /* Remove an IP from a set */ -+/* Uses ip_set_req_adt, with type specific addage */ -+ -+#define IP_SET_OP_TEST_IP 0x00000103 /* Test an IP in a set */ -+/* Uses ip_set_req_adt, with type specific addage */ -+ -+#define IP_SET_OP_BIND_SET 0x00000104 /* Bind an IP to a set */ -+/* Uses ip_set_req_bind, with type specific addage */ -+struct ip_set_req_bind { -+ IP_SET_REQ_BYINDEX; -+ char binding[IP_SET_MAXNAMELEN]; -+}; -+ -+#define IP_SET_OP_UNBIND_SET 0x00000105 /* Unbind an IP from a set */ -+/* Uses ip_set_req_bind, with type speficic addage -+ * index = 0 means unbinding for all sets */ -+ -+#define IP_SET_OP_TEST_BIND_SET 0x00000106 /* Test binding an IP to a set */ -+/* Uses ip_set_req_bind, with type specific addage */ -+ -+/* Multiple shots operations: list, save, restore. -+ * -+ * - check kernel version and query the max number of sets -+ * - get the basic information on all sets -+ * and size required for the next step -+ * - get actual set data: header, data, bindings -+ */ -+ -+/* Get max_sets and the index of a queried set -+ */ -+#define IP_SET_OP_MAX_SETS 0x00000020 -+struct ip_set_req_max_sets { -+ unsigned op; -+ unsigned version; -+ ip_set_id_t max_sets; /* max_sets */ -+ ip_set_id_t sets; /* real number of sets */ -+ union ip_set_name_index set; /* index of set if name used */ -+}; -+ -+/* Get the id and name of the sets plus size for next step */ -+#define IP_SET_OP_LIST_SIZE 0x00000201 -+#define IP_SET_OP_SAVE_SIZE 0x00000202 -+struct ip_set_req_setnames { -+ unsigned op; -+ ip_set_id_t index; /* set to list/save */ -+ u_int32_t size; /* size to get setdata/bindings */ -+ /* followed by sets number of struct ip_set_name_list */ -+}; -+ -+struct ip_set_name_list { -+ char name[IP_SET_MAXNAMELEN]; -+ char typename[IP_SET_MAXNAMELEN]; -+ ip_set_id_t index; -+ ip_set_id_t id; -+}; -+ -+/* The actual list operation */ -+#define IP_SET_OP_LIST 0x00000203 -+struct ip_set_req_list { -+ IP_SET_REQ_BYINDEX; -+ /* sets number of struct ip_set_list in reply */ -+}; -+ -+struct ip_set_list { -+ ip_set_id_t index; -+ ip_set_id_t binding; -+ u_int32_t ref; -+ u_int32_t header_size; /* Set header data of header_size */ -+ u_int32_t members_size; /* Set members data of members_size */ -+ u_int32_t bindings_size;/* Set bindings data of bindings_size */ -+}; -+ -+struct ip_set_hash_list { -+ ip_set_ip_t ip; -+ ip_set_id_t binding; -+}; -+ -+/* The save operation */ -+#define IP_SET_OP_SAVE 0x00000204 -+/* Uses ip_set_req_list, in the reply replaced by -+ * sets number of struct ip_set_save plus a marker -+ * ip_set_save followed by ip_set_hash_save structures. -+ */ -+struct ip_set_save { -+ ip_set_id_t index; -+ ip_set_id_t binding; -+ u_int32_t header_size; /* Set header data of header_size */ -+ u_int32_t members_size; /* Set members data of members_size */ -+}; -+ -+/* At restoring, ip == 0 means default binding for the given set: */ -+struct ip_set_hash_save { -+ ip_set_ip_t ip; -+ ip_set_id_t id; -+ ip_set_id_t binding; -+}; -+ -+/* The restore operation */ -+#define IP_SET_OP_RESTORE 0x00000205 -+/* Uses ip_set_req_setnames followed by ip_set_restore structures -+ * plus a marker ip_set_restore, followed by ip_set_hash_save -+ * structures. -+ */ -+struct ip_set_restore { -+ char name[IP_SET_MAXNAMELEN]; -+ char typename[IP_SET_MAXNAMELEN]; -+ ip_set_id_t index; -+ u_int32_t header_size; /* Create data of header_size */ -+ u_int32_t members_size; /* Set members data of members_size */ -+}; -+ -+static inline int bitmap_bytes(ip_set_ip_t a, ip_set_ip_t b) -+{ -+ return 4 * ((((b - a + 8) / 8) + 3) / 4); -+} -+ -+/* General limit for the elements in a set */ -+#define MAX_RANGE 0x0000FFFF -+ -+#ifdef __KERNEL__ -+#include <linux/netfilter_ipv4/ip_set_compat.h> -+#include <linux/netfilter_ipv4/ip_set_malloc.h> -+ -+#define ip_set_printk(format, args...) \ -+ do { \ -+ printk("%s: %s: ", __FILE__, __FUNCTION__); \ -+ printk(format "\n" , ## args); \ -+ } while (0) -+ -+#if defined(IP_SET_DEBUG) -+#define DP(format, args...) \ -+ do { \ -+ printk("%s: %s (DBG): ", __FILE__, __FUNCTION__);\ -+ printk(format "\n" , ## args); \ -+ } while (0) -+#define IP_SET_ASSERT(x) \ -+ do { \ -+ if (!(x)) \ -+ printk("IP_SET_ASSERT: %s:%i(%s)\n", \ -+ __FILE__, __LINE__, __FUNCTION__); \ -+ } while (0) -+#else -+#define DP(format, args...) -+#define IP_SET_ASSERT(x) -+#endif -+ -+struct ip_set; -+ -+/* -+ * The ip_set_type definition - one per set type, e.g. "ipmap". -+ * -+ * Each individual set has a pointer, set->type, going to one -+ * of these structures. Function pointers inside the structure implement -+ * the real behaviour of the sets. -+ * -+ * If not mentioned differently, the implementation behind the function -+ * pointers of a set_type, is expected to return 0 if ok, and a negative -+ * errno (e.g. -EINVAL) on error. -+ */ -+struct ip_set_type { -+ struct list_head list; /* next in list of set types */ -+ -+ /* test for IP in set (kernel: iptables -m set src|dst) -+ * return 0 if not in set, 1 if in set. -+ */ -+ int (*testip_kernel) (struct ip_set *set, -+ const struct sk_buff * skb, -+ ip_set_ip_t *ip, -+ const u_int32_t *flags, -+ unsigned char index); -+ -+ /* test for IP in set (userspace: ipset -T set IP) -+ * return 0 if not in set, 1 if in set. -+ */ -+ int (*testip) (struct ip_set *set, -+ const void *data, u_int32_t size, -+ ip_set_ip_t *ip); -+ -+ /* -+ * Size of the data structure passed by when -+ * adding/deletin/testing an entry. -+ */ -+ u_int32_t reqsize; -+ -+ /* Add IP into set (userspace: ipset -A set IP) -+ * Return -EEXIST if the address is already in the set, -+ * and -ERANGE if the address lies outside the set bounds. -+ * If the address was not already in the set, 0 is returned. -+ */ -+ int (*addip) (struct ip_set *set, -+ const void *data, u_int32_t size, -+ ip_set_ip_t *ip); -+ -+ /* Add IP into set (kernel: iptables ... -j SET set src|dst) -+ * Return -EEXIST if the address is already in the set, -+ * and -ERANGE if the address lies outside the set bounds. -+ * If the address was not already in the set, 0 is returned. -+ */ -+ int (*addip_kernel) (struct ip_set *set, -+ const struct sk_buff * skb, -+ ip_set_ip_t *ip, -+ const u_int32_t *flags, -+ unsigned char index); -+ -+ /* remove IP from set (userspace: ipset -D set --entry x) -+ * Return -EEXIST if the address is NOT in the set, -+ * and -ERANGE if the address lies outside the set bounds. -+ * If the address really was in the set, 0 is returned. -+ */ -+ int (*delip) (struct ip_set *set, -+ const void *data, u_int32_t size, -+ ip_set_ip_t *ip); -+ -+ /* remove IP from set (kernel: iptables ... -j SET --entry x) -+ * Return -EEXIST if the address is NOT in the set, -+ * and -ERANGE if the address lies outside the set bounds. -+ * If the address really was in the set, 0 is returned. -+ */ -+ int (*delip_kernel) (struct ip_set *set, -+ const struct sk_buff * skb, -+ ip_set_ip_t *ip, -+ const u_int32_t *flags, -+ unsigned char index); -+ -+ /* new set creation - allocated type specific items -+ */ -+ int (*create) (struct ip_set *set, -+ const void *data, u_int32_t size); -+ -+ /* retry the operation after successfully tweaking the set -+ */ -+ int (*retry) (struct ip_set *set); -+ -+ /* set destruction - free type specific items -+ * There is no return value. -+ * Can be called only when child sets are destroyed. -+ */ -+ void (*destroy) (struct ip_set *set); -+ -+ /* set flushing - reset all bits in the set, or something similar. -+ * There is no return value. -+ */ -+ void (*flush) (struct ip_set *set); -+ -+ /* Listing: size needed for header -+ */ -+ u_int32_t header_size; -+ -+ /* Listing: Get the header -+ * -+ * Fill in the information in "data". -+ * This function is always run after list_header_size() under a -+ * writelock on the set. Therefor is the length of "data" always -+ * correct. -+ */ -+ void (*list_header) (const struct ip_set *set, -+ void *data); -+ -+ /* Listing: Get the size for the set members -+ */ -+ int (*list_members_size) (const struct ip_set *set); -+ -+ /* Listing: Get the set members -+ * -+ * Fill in the information in "data". -+ * This function is always run after list_member_size() under a -+ * writelock on the set. Therefor is the length of "data" always -+ * correct. -+ */ -+ void (*list_members) (const struct ip_set *set, -+ void *data); -+ -+ char typename[IP_SET_MAXNAMELEN]; -+ unsigned char features; -+ int protocol_version; -+ -+ /* Set this to THIS_MODULE if you are a module, otherwise NULL */ -+ struct module *me; -+}; -+ -+extern int ip_set_register_set_type(struct ip_set_type *set_type); -+extern void ip_set_unregister_set_type(struct ip_set_type *set_type); -+ -+/* A generic ipset */ -+struct ip_set { -+ char name[IP_SET_MAXNAMELEN]; /* the name of the set */ -+ rwlock_t lock; /* lock for concurrency control */ -+ ip_set_id_t id; /* set id for swapping */ -+ ip_set_id_t binding; /* default binding for the set */ -+ atomic_t ref; /* in kernel and in hash references */ -+ struct ip_set_type *type; /* the set types */ -+ void *data; /* pooltype specific data */ -+}; -+ -+/* Structure to bind set elements to sets */ -+struct ip_set_hash { -+ struct list_head list; /* list of clashing entries in hash */ -+ ip_set_ip_t ip; /* ip from set */ -+ ip_set_id_t id; /* set id */ -+ ip_set_id_t binding; /* set we bind the element to */ -+}; -+ -+/* register and unregister set references */ -+extern ip_set_id_t ip_set_get_byname(const char name[IP_SET_MAXNAMELEN]); -+extern ip_set_id_t ip_set_get_byindex(ip_set_id_t index); -+extern void ip_set_put_byindex(ip_set_id_t index); -+extern ip_set_id_t ip_set_id(ip_set_id_t index); -+extern ip_set_id_t __ip_set_get_byname(const char name[IP_SET_MAXNAMELEN], -+ struct ip_set **set); -+extern void __ip_set_put_byindex(ip_set_id_t index); -+ -+/* API for iptables set match, and SET target */ -+extern int ip_set_addip_kernel(ip_set_id_t id, -+ const struct sk_buff *skb, -+ const u_int32_t *flags); -+extern int ip_set_delip_kernel(ip_set_id_t id, -+ const struct sk_buff *skb, -+ const u_int32_t *flags); -+extern int ip_set_testip_kernel(ip_set_id_t id, -+ const struct sk_buff *skb, -+ const u_int32_t *flags); -+ -+/* Macros to generate functions */ -+ -+#define STRUCT(pre, type) CONCAT2(pre, type) -+#define CONCAT2(pre, type) struct pre##type -+ -+#define FNAME(pre, mid, post) CONCAT3(pre, mid, post) -+#define CONCAT3(pre, mid, post) pre##mid##post -+ -+#define UADT0(type, adt, args...) \ -+static int \ -+FNAME(type,_u,adt)(struct ip_set *set, const void *data, u_int32_t size,\ -+ ip_set_ip_t *hash_ip) \ -+{ \ -+ const STRUCT(ip_set_req_,type) *req = data; \ -+ \ -+ return FNAME(type,_,adt)(set, hash_ip , ## args); \ -+} -+ -+#define UADT(type, adt, args...) \ -+ UADT0(type, adt, req->ip , ## args) -+ -+#define KADT(type, adt, getfn, args...) \ -+static int \ -+FNAME(type,_k,adt)(struct ip_set *set, \ -+ const struct sk_buff *skb, \ -+ ip_set_ip_t *hash_ip, \ -+ const u_int32_t *flags, \ -+ unsigned char index) \ -+{ \ -+ ip_set_ip_t ip = getfn(skb, flags[index]); \ -+ \ -+ KADT_CONDITION \ -+ return FNAME(type,_,adt)(set, hash_ip, ip , ##args); \ -+} -+ -+#define REGISTER_MODULE(type) \ -+static int __init ip_set_##type##_init(void) \ -+{ \ -+ init_max_page_size(); \ -+ return ip_set_register_set_type(&ip_set_##type); \ -+} \ -+ \ -+static void __exit ip_set_##type##_fini(void) \ -+{ \ -+ /* FIXME: possible race with ip_set_create() */ \ -+ ip_set_unregister_set_type(&ip_set_##type); \ -+} \ -+ \ -+module_init(ip_set_##type##_init); \ -+module_exit(ip_set_##type##_fini); -+ -+/* Common functions */ -+ -+static inline ip_set_ip_t -+ipaddr(const struct sk_buff *skb, u_int32_t flag) -+{ -+ return ntohl(flag & IPSET_SRC ? ip_hdr(skb)->saddr : ip_hdr(skb)->daddr); -+} -+ -+#define jhash_ip(map, i, ip) jhash_1word(ip, *(map->initval + i)) -+ -+#define pack_ip_port(map, ip, port) \ -+ (port + ((ip - ((map)->first_ip)) << 16)) -+ -+#endif /* __KERNEL__ */ -+ -+#endif /*_IP_SET_H*/ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_bitmaps.h -@@ -0,0 +1,121 @@ -+#ifndef __IP_SET_BITMAPS_H -+#define __IP_SET_BITMAPS_H -+ -+/* Macros to generate functions */ -+ -+#ifdef __KERNEL__ -+#define BITMAP_CREATE(type) \ -+static int \ -+type##_create(struct ip_set *set, const void *data, u_int32_t size) \ -+{ \ -+ int newbytes; \ -+ const struct ip_set_req_##type##_create *req = data; \ -+ struct ip_set_##type *map; \ -+ \ -+ if (req->from > req->to) { \ -+ DP("bad range"); \ -+ return -ENOEXEC; \ -+ } \ -+ \ -+ map = kmalloc(sizeof(struct ip_set_##type), GFP_KERNEL); \ -+ if (!map) { \ -+ DP("out of memory for %zu bytes", \ -+ sizeof(struct ip_set_##type)); \ -+ return -ENOMEM; \ -+ } \ -+ map->first_ip = req->from; \ -+ map->last_ip = req->to; \ -+ \ -+ newbytes = __##type##_create(req, map); \ -+ if (newbytes < 0) { \ -+ kfree(map); \ -+ return newbytes; \ -+ } \ -+ \ -+ map->size = newbytes; \ -+ map->members = ip_set_malloc(newbytes); \ -+ if (!map->members) { \ -+ DP("out of memory for %i bytes", newbytes); \ -+ kfree(map); \ -+ return -ENOMEM; \ -+ } \ -+ memset(map->members, 0, newbytes); \ -+ \ -+ set->data = map; \ -+ return 0; \ -+} -+ -+#define BITMAP_DESTROY(type) \ -+static void \ -+type##_destroy(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data; \ -+ \ -+ ip_set_free(map->members, map->size); \ -+ kfree(map); \ -+ \ -+ set->data = NULL; \ -+} -+ -+#define BITMAP_FLUSH(type) \ -+static void \ -+type##_flush(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data; \ -+ memset(map->members, 0, map->size); \ -+} -+ -+#define BITMAP_LIST_HEADER(type) \ -+static void \ -+type##_list_header(const struct ip_set *set, void *data) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ struct ip_set_req_##type##_create *header = data; \ -+ \ -+ header->from = map->first_ip; \ -+ header->to = map->last_ip; \ -+ __##type##_list_header(map, header); \ -+} -+ -+#define BITMAP_LIST_MEMBERS_SIZE(type) \ -+static int \ -+type##_list_members_size(const struct ip_set *set) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ \ -+ return map->size; \ -+} -+ -+#define BITMAP_LIST_MEMBERS(type) \ -+static void \ -+type##_list_members(const struct ip_set *set, void *data) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ \ -+ memcpy(data, map->members, map->size); \ -+} -+ -+#define IP_SET_TYPE(type, __features) \ -+struct ip_set_type ip_set_##type = { \ -+ .typename = #type, \ -+ .features = __features, \ -+ .protocol_version = IP_SET_PROTOCOL_VERSION, \ -+ .create = &type##_create, \ -+ .destroy = &type##_destroy, \ -+ .flush = &type##_flush, \ -+ .reqsize = sizeof(struct ip_set_req_##type), \ -+ .addip = &type##_uadd, \ -+ .addip_kernel = &type##_kadd, \ -+ .delip = &type##_udel, \ -+ .delip_kernel = &type##_kdel, \ -+ .testip = &type##_utest, \ -+ .testip_kernel = &type##_ktest, \ -+ .header_size = sizeof(struct ip_set_req_##type##_create),\ -+ .list_header = &type##_list_header, \ -+ .list_members_size = &type##_list_members_size, \ -+ .list_members = &type##_list_members, \ -+ .me = THIS_MODULE, \ -+}; -+#endif /* __KERNEL */ -+ -+#endif /* __IP_SET_BITMAPS_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_compat.h -@@ -0,0 +1,71 @@ -+#ifndef _IP_SET_COMPAT_H -+#define _IP_SET_COMPAT_H -+ -+#ifdef __KERNEL__ -+#include <linux/version.h> -+ -+/* Arrgh */ -+#ifdef MODULE -+#define __MOD_INC(foo) __MOD_INC_USE_COUNT(foo) -+#define __MOD_DEC(foo) __MOD_DEC_USE_COUNT(foo) -+#else -+#define __MOD_INC(foo) 1 -+#define __MOD_DEC(foo) -+#endif -+ -+/* Backward compatibility */ -+#ifndef __nocast -+#define __nocast -+#endif -+#ifndef __bitwise__ -+#define __bitwise__ -+#endif -+ -+/* Compatibility glue code */ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) -+#include <linux/interrupt.h> -+#define DEFINE_RWLOCK(x) rwlock_t x = RW_LOCK_UNLOCKED -+#define try_module_get(x) __MOD_INC(x) -+#define module_put(x) __MOD_DEC(x) -+#define __clear_bit(nr, addr) clear_bit(nr, addr) -+#define __set_bit(nr, addr) set_bit(nr, addr) -+#define __test_and_set_bit(nr, addr) test_and_set_bit(nr, addr) -+#define __test_and_clear_bit(nr, addr) test_and_clear_bit(nr, addr) -+ -+typedef unsigned __bitwise__ gfp_t; -+ -+static inline void *kzalloc(size_t size, gfp_t flags) -+{ -+ void *data = kmalloc(size, flags); -+ -+ if (data) -+ memset(data, 0, size); -+ -+ return data; -+} -+#endif -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+#define __KMEM_CACHE_T__ kmem_cache_t -+#else -+#define __KMEM_CACHE_T__ struct kmem_cache -+#endif -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22) -+#define ip_hdr(skb) ((skb)->nh.iph) -+#define skb_mac_header(skb) ((skb)->mac.raw) -+#define eth_hdr(skb) ((struct ethhdr *)skb_mac_header(skb)) -+#endif -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -+#include <linux/netfilter.h> -+#define KMEM_CACHE_CREATE(name, size) \ -+ kmem_cache_create(name, size, 0, 0, NULL, NULL) -+#else -+#define KMEM_CACHE_CREATE(name, size) \ -+ kmem_cache_create(name, size, 0, 0, NULL) -+#endif -+ -+ -+#endif /* __KERNEL__ */ -+#endif /* _IP_SET_COMPAT_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_getport.h -@@ -0,0 +1,48 @@ -+#ifndef _IP_SET_GETPORT_H -+#define _IP_SET_GETPORT_H -+ -+#ifdef __KERNEL__ -+ -+#define INVALID_PORT (MAX_RANGE + 1) -+ -+/* We must handle non-linear skbs */ -+static inline ip_set_ip_t -+get_port(const struct sk_buff *skb, u_int32_t flags) -+{ -+ struct iphdr *iph = ip_hdr(skb); -+ u_int16_t offset = ntohs(iph->frag_off) & IP_OFFSET; -+ switch (iph->protocol) { -+ case IPPROTO_TCP: { -+ struct tcphdr tcph; -+ -+ /* See comments at tcp_match in ip_tables.c */ -+ if (offset) -+ return INVALID_PORT; -+ -+ if (skb_copy_bits(skb, ip_hdr(skb)->ihl*4, &tcph, sizeof(tcph)) < 0) -+ /* No choice either */ -+ return INVALID_PORT; -+ -+ return ntohs(flags & IPSET_SRC ? -+ tcph.source : tcph.dest); -+ } -+ case IPPROTO_UDP: { -+ struct udphdr udph; -+ -+ if (offset) -+ return INVALID_PORT; -+ -+ if (skb_copy_bits(skb, ip_hdr(skb)->ihl*4, &udph, sizeof(udph)) < 0) -+ /* No choice either */ -+ return INVALID_PORT; -+ -+ return ntohs(flags & IPSET_SRC ? -+ udph.source : udph.dest); -+ } -+ default: -+ return INVALID_PORT; -+ } -+} -+#endif /* __KERNEL__ */ -+ -+#endif /*_IP_SET_GETPORT_H*/ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_hashes.h -@@ -0,0 +1,306 @@ -+#ifndef __IP_SET_HASHES_H -+#define __IP_SET_HASHES_H -+ -+#define initval_t uint32_t -+ -+/* Macros to generate functions */ -+ -+#ifdef __KERNEL__ -+#define HASH_RETRY0(type, dtype, cond) \ -+static int \ -+type##_retry(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data, *tmp; \ -+ dtype *elem; \ -+ void *members; \ -+ u_int32_t i, hashsize = map->hashsize; \ -+ int res; \ -+ \ -+ if (map->resize == 0) \ -+ return -ERANGE; \ -+ \ -+ again: \ -+ res = 0; \ -+ \ -+ /* Calculate new hash size */ \ -+ hashsize += (hashsize * map->resize)/100; \ -+ if (hashsize == map->hashsize) \ -+ hashsize++; \ -+ \ -+ ip_set_printk("rehashing of set %s triggered: " \ -+ "hashsize grows from %lu to %lu", \ -+ set->name, \ -+ (long unsigned)map->hashsize, \ -+ (long unsigned)hashsize); \ -+ \ -+ tmp = kmalloc(sizeof(struct ip_set_##type) \ -+ + map->probes * sizeof(initval_t), GFP_ATOMIC); \ -+ if (!tmp) { \ -+ DP("out of memory for %zu bytes", \ -+ sizeof(struct ip_set_##type) \ -+ + map->probes * sizeof(initval_t)); \ -+ return -ENOMEM; \ -+ } \ -+ tmp->members = harray_malloc(hashsize, sizeof(dtype), GFP_ATOMIC);\ -+ if (!tmp->members) { \ -+ DP("out of memory for %zu bytes", hashsize * sizeof(dtype));\ -+ kfree(tmp); \ -+ return -ENOMEM; \ -+ } \ -+ tmp->hashsize = hashsize; \ -+ tmp->elements = 0; \ -+ tmp->probes = map->probes; \ -+ tmp->resize = map->resize; \ -+ memcpy(tmp->initval, map->initval, map->probes * sizeof(initval_t));\ -+ __##type##_retry(tmp, map); \ -+ \ -+ write_lock_bh(&set->lock); \ -+ map = set->data; /* Play safe */ \ -+ for (i = 0; i < map->hashsize && res == 0; i++) { \ -+ elem = HARRAY_ELEM(map->members, dtype *, i); \ -+ if (cond) \ -+ res = __##type##_add(tmp, elem); \ -+ } \ -+ if (res) { \ -+ /* Failure, try again */ \ -+ write_unlock_bh(&set->lock); \ -+ harray_free(tmp->members); \ -+ kfree(tmp); \ -+ goto again; \ -+ } \ -+ \ -+ /* Success at resizing! */ \ -+ members = map->members; \ -+ \ -+ map->hashsize = tmp->hashsize; \ -+ map->members = tmp->members; \ -+ write_unlock_bh(&set->lock); \ -+ \ -+ harray_free(members); \ -+ kfree(tmp); \ -+ \ -+ return 0; \ -+} -+ -+#define HASH_RETRY(type, dtype) \ -+ HASH_RETRY0(type, dtype, *elem) -+ -+#define HASH_RETRY2(type, dtype) \ -+ HASH_RETRY0(type, dtype, elem->ip || elem->ip1) -+ -+#define HASH_CREATE(type, dtype) \ -+static int \ -+type##_create(struct ip_set *set, const void *data, u_int32_t size) \ -+{ \ -+ const struct ip_set_req_##type##_create *req = data; \ -+ struct ip_set_##type *map; \ -+ uint16_t i; \ -+ \ -+ if (req->hashsize < 1) { \ -+ ip_set_printk("hashsize too small"); \ -+ return -ENOEXEC; \ -+ } \ -+ \ -+ if (req->probes < 1) { \ -+ ip_set_printk("probes too small"); \ -+ return -ENOEXEC; \ -+ } \ -+ \ -+ map = kmalloc(sizeof(struct ip_set_##type) \ -+ + req->probes * sizeof(initval_t), GFP_KERNEL); \ -+ if (!map) { \ -+ DP("out of memory for %zu bytes", \ -+ sizeof(struct ip_set_##type) \ -+ + req->probes * sizeof(initval_t)); \ -+ return -ENOMEM; \ -+ } \ -+ for (i = 0; i < req->probes; i++) \ -+ get_random_bytes(((initval_t *) map->initval)+i, 4); \ -+ map->elements = 0; \ -+ map->hashsize = req->hashsize; \ -+ map->probes = req->probes; \ -+ map->resize = req->resize; \ -+ if (__##type##_create(req, map)) { \ -+ kfree(map); \ -+ return -ENOEXEC; \ -+ } \ -+ map->members = harray_malloc(map->hashsize, sizeof(dtype), GFP_KERNEL);\ -+ if (!map->members) { \ -+ DP("out of memory for %zu bytes", map->hashsize * sizeof(dtype));\ -+ kfree(map); \ -+ return -ENOMEM; \ -+ } \ -+ \ -+ set->data = map; \ -+ return 0; \ -+} -+ -+#define HASH_DESTROY(type) \ -+static void \ -+type##_destroy(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data; \ -+ \ -+ harray_free(map->members); \ -+ kfree(map); \ -+ \ -+ set->data = NULL; \ -+} -+ -+#define HASH_FLUSH(type, dtype) \ -+static void \ -+type##_flush(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data; \ -+ harray_flush(map->members, map->hashsize, sizeof(dtype)); \ -+ map->elements = 0; \ -+} -+ -+#define HASH_FLUSH_CIDR(type, dtype) \ -+static void \ -+type##_flush(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data; \ -+ harray_flush(map->members, map->hashsize, sizeof(dtype)); \ -+ memset(map->cidr, 0, sizeof(map->cidr)); \ -+ memset(map->nets, 0, sizeof(map->nets)); \ -+ map->elements = 0; \ -+} -+ -+#define HASH_LIST_HEADER(type) \ -+static void \ -+type##_list_header(const struct ip_set *set, void *data) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ struct ip_set_req_##type##_create *header = data; \ -+ \ -+ header->hashsize = map->hashsize; \ -+ header->probes = map->probes; \ -+ header->resize = map->resize; \ -+ __##type##_list_header(map, header); \ -+} -+ -+#define HASH_LIST_MEMBERS_SIZE(type, dtype) \ -+static int \ -+type##_list_members_size(const struct ip_set *set) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ \ -+ return (map->hashsize * sizeof(dtype)); \ -+} -+ -+#define HASH_LIST_MEMBERS(type, dtype) \ -+static void \ -+type##_list_members(const struct ip_set *set, void *data) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ dtype *elem; \ -+ uint32_t i; \ -+ \ -+ for (i = 0; i < map->hashsize; i++) { \ -+ elem = HARRAY_ELEM(map->members, dtype *, i); \ -+ ((dtype *)data)[i] = *elem; \ -+ } \ -+} -+ -+#define HASH_LIST_MEMBERS_MEMCPY(type, dtype) \ -+static void \ -+type##_list_members(const struct ip_set *set, void *data) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ dtype *elem; \ -+ uint32_t i; \ -+ \ -+ for (i = 0; i < map->hashsize; i++) { \ -+ elem = HARRAY_ELEM(map->members, dtype *, i); \ -+ memcpy((((dtype *)data)+i), elem, sizeof(dtype)); \ -+ } \ -+} -+ -+#define IP_SET_RTYPE(type, __features) \ -+struct ip_set_type ip_set_##type = { \ -+ .typename = #type, \ -+ .features = __features, \ -+ .protocol_version = IP_SET_PROTOCOL_VERSION, \ -+ .create = &type##_create, \ -+ .retry = &type##_retry, \ -+ .destroy = &type##_destroy, \ -+ .flush = &type##_flush, \ -+ .reqsize = sizeof(struct ip_set_req_##type), \ -+ .addip = &type##_uadd, \ -+ .addip_kernel = &type##_kadd, \ -+ .delip = &type##_udel, \ -+ .delip_kernel = &type##_kdel, \ -+ .testip = &type##_utest, \ -+ .testip_kernel = &type##_ktest, \ -+ .header_size = sizeof(struct ip_set_req_##type##_create),\ -+ .list_header = &type##_list_header, \ -+ .list_members_size = &type##_list_members_size, \ -+ .list_members = &type##_list_members, \ -+ .me = THIS_MODULE, \ -+}; -+ -+/* Helper functions */ -+static inline void -+add_cidr_size(uint8_t *cidr, uint8_t size) -+{ -+ uint8_t next; -+ int i; -+ -+ for (i = 0; i < 30 && cidr[i]; i++) { -+ if (cidr[i] < size) { -+ next = cidr[i]; -+ cidr[i] = size; -+ size = next; -+ } -+ } -+ if (i < 30) -+ cidr[i] = size; -+} -+ -+static inline void -+del_cidr_size(uint8_t *cidr, uint8_t size) -+{ -+ int i; -+ -+ for (i = 0; i < 29 && cidr[i]; i++) { -+ if (cidr[i] == size) -+ cidr[i] = size = cidr[i+1]; -+ } -+ cidr[29] = 0; -+} -+#else -+#include <arpa/inet.h> -+#endif /* __KERNEL */ -+ -+#ifndef UINT16_MAX -+#define UINT16_MAX 65535 -+#endif -+ -+static unsigned char shifts[] = {255, 253, 249, 241, 225, 193, 129, 1}; -+ -+static inline ip_set_ip_t -+pack_ip_cidr(ip_set_ip_t ip, unsigned char cidr) -+{ -+ ip_set_ip_t addr, *paddr = &addr; -+ unsigned char n, t, *a; -+ -+ addr = htonl(ip & (0xFFFFFFFF << (32 - (cidr)))); -+#ifdef __KERNEL__ -+ DP("ip:%u.%u.%u.%u/%u", NIPQUAD(addr), cidr); -+#endif -+ n = cidr / 8; -+ t = cidr % 8; -+ a = &((unsigned char *)paddr)[n]; -+ *a = *a /(1 << (8 - t)) + shifts[t]; -+#ifdef __KERNEL__ -+ DP("n: %u, t: %u, a: %u", n, t, *a); -+ DP("ip:%u.%u.%u.%u/%u, %u.%u.%u.%u", -+ HIPQUAD(ip), cidr, NIPQUAD(addr)); -+#endif -+ -+ return ntohl(addr); -+} -+ -+ -+#endif /* __IP_SET_HASHES_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_iphash.h -@@ -0,0 +1,30 @@ -+#ifndef __IP_SET_IPHASH_H -+#define __IP_SET_IPHASH_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_hashes.h> -+ -+#define SETTYPE_NAME "iphash" -+ -+struct ip_set_iphash { -+ ip_set_ip_t *members; /* the iphash proper */ -+ uint32_t elements; /* number of elements */ -+ uint32_t hashsize; /* hash size */ -+ uint16_t probes; /* max number of probes */ -+ uint16_t resize; /* resize factor in percent */ -+ ip_set_ip_t netmask; /* netmask */ -+ initval_t initval[0]; /* initvals for jhash_1word */ -+}; -+ -+struct ip_set_req_iphash_create { -+ uint32_t hashsize; -+ uint16_t probes; -+ uint16_t resize; -+ ip_set_ip_t netmask; -+}; -+ -+struct ip_set_req_iphash { -+ ip_set_ip_t ip; -+}; -+ -+#endif /* __IP_SET_IPHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_ipmap.h -@@ -0,0 +1,57 @@ -+#ifndef __IP_SET_IPMAP_H -+#define __IP_SET_IPMAP_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+ -+#define SETTYPE_NAME "ipmap" -+ -+struct ip_set_ipmap { -+ void *members; /* the ipmap proper */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ ip_set_ip_t netmask; /* subnet netmask */ -+ ip_set_ip_t sizeid; /* size of set in IPs */ -+ ip_set_ip_t hosts; /* number of hosts in a subnet */ -+ u_int32_t size; /* size of the ipmap proper */ -+}; -+ -+struct ip_set_req_ipmap_create { -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+ ip_set_ip_t netmask; -+}; -+ -+struct ip_set_req_ipmap { -+ ip_set_ip_t ip; -+}; -+ -+static inline unsigned int -+mask_to_bits(ip_set_ip_t mask) -+{ -+ unsigned int bits = 32; -+ ip_set_ip_t maskaddr; -+ -+ if (mask == 0xFFFFFFFF) -+ return bits; -+ -+ maskaddr = 0xFFFFFFFE; -+ while (--bits > 0 && maskaddr != mask) -+ maskaddr <<= 1; -+ -+ return bits; -+} -+ -+static inline ip_set_ip_t -+range_to_mask(ip_set_ip_t from, ip_set_ip_t to, unsigned int *bits) -+{ -+ ip_set_ip_t mask = 0xFFFFFFFE; -+ -+ *bits = 32; -+ while (--(*bits) > 0 && mask && (to & mask) != from) -+ mask <<= 1; -+ -+ return mask; -+} -+ -+#endif /* __IP_SET_IPMAP_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_ipporthash.h -@@ -0,0 +1,33 @@ -+#ifndef __IP_SET_IPPORTHASH_H -+#define __IP_SET_IPPORTHASH_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_hashes.h> -+ -+#define SETTYPE_NAME "ipporthash" -+ -+struct ip_set_ipporthash { -+ ip_set_ip_t *members; /* the ipporthash proper */ -+ uint32_t elements; /* number of elements */ -+ uint32_t hashsize; /* hash size */ -+ uint16_t probes; /* max number of probes */ -+ uint16_t resize; /* resize factor in percent */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ initval_t initval[0]; /* initvals for jhash_1word */ -+}; -+ -+struct ip_set_req_ipporthash_create { -+ uint32_t hashsize; -+ uint16_t probes; -+ uint16_t resize; -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+}; -+ -+struct ip_set_req_ipporthash { -+ ip_set_ip_t ip; -+ ip_set_ip_t port; -+}; -+ -+#endif /* __IP_SET_IPPORTHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_ipportiphash.h -@@ -0,0 +1,39 @@ -+#ifndef __IP_SET_IPPORTIPHASH_H -+#define __IP_SET_IPPORTIPHASH_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_hashes.h> -+ -+#define SETTYPE_NAME "ipportiphash" -+ -+struct ipportip { -+ ip_set_ip_t ip; -+ ip_set_ip_t ip1; -+}; -+ -+struct ip_set_ipportiphash { -+ struct ipportip *members; /* the ipportip proper */ -+ uint32_t elements; /* number of elements */ -+ uint32_t hashsize; /* hash size */ -+ uint16_t probes; /* max number of probes */ -+ uint16_t resize; /* resize factor in percent */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ initval_t initval[0]; /* initvals for jhash_1word */ -+}; -+ -+struct ip_set_req_ipportiphash_create { -+ uint32_t hashsize; -+ uint16_t probes; -+ uint16_t resize; -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+}; -+ -+struct ip_set_req_ipportiphash { -+ ip_set_ip_t ip; -+ ip_set_ip_t port; -+ ip_set_ip_t ip1; -+}; -+ -+#endif /* __IP_SET_IPPORTIPHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_ipportnethash.h -@@ -0,0 +1,42 @@ -+#ifndef __IP_SET_IPPORTNETHASH_H -+#define __IP_SET_IPPORTNETHASH_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_hashes.h> -+ -+#define SETTYPE_NAME "ipportnethash" -+ -+struct ipportip { -+ ip_set_ip_t ip; -+ ip_set_ip_t ip1; -+}; -+ -+struct ip_set_ipportnethash { -+ struct ipportip *members; /* the ipportip proper */ -+ uint32_t elements; /* number of elements */ -+ uint32_t hashsize; /* hash size */ -+ uint16_t probes; /* max number of probes */ -+ uint16_t resize; /* resize factor in percent */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ uint8_t cidr[30]; /* CIDR sizes */ -+ uint16_t nets[30]; /* nr of nets by CIDR sizes */ -+ initval_t initval[0]; /* initvals for jhash_1word */ -+}; -+ -+struct ip_set_req_ipportnethash_create { -+ uint32_t hashsize; -+ uint16_t probes; -+ uint16_t resize; -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+}; -+ -+struct ip_set_req_ipportnethash { -+ ip_set_ip_t ip; -+ ip_set_ip_t port; -+ ip_set_ip_t ip1; -+ uint8_t cidr; -+}; -+ -+#endif /* __IP_SET_IPPORTNETHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_iptree.h -@@ -0,0 +1,39 @@ -+#ifndef __IP_SET_IPTREE_H -+#define __IP_SET_IPTREE_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+#define SETTYPE_NAME "iptree" -+ -+struct ip_set_iptreed { -+ unsigned long expires[256]; /* x.x.x.ADDR */ -+}; -+ -+struct ip_set_iptreec { -+ struct ip_set_iptreed *tree[256]; /* x.x.ADDR.* */ -+}; -+ -+struct ip_set_iptreeb { -+ struct ip_set_iptreec *tree[256]; /* x.ADDR.*.* */ -+}; -+ -+struct ip_set_iptree { -+ unsigned int timeout; -+ unsigned int gc_interval; -+#ifdef __KERNEL__ -+ uint32_t elements; /* number of elements */ -+ struct timer_list gc; -+ struct ip_set_iptreeb *tree[256]; /* ADDR.*.*.* */ -+#endif -+}; -+ -+struct ip_set_req_iptree_create { -+ unsigned int timeout; -+}; -+ -+struct ip_set_req_iptree { -+ ip_set_ip_t ip; -+ unsigned int timeout; -+}; -+ -+#endif /* __IP_SET_IPTREE_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_iptreemap.h -@@ -0,0 +1,40 @@ -+#ifndef __IP_SET_IPTREEMAP_H -+#define __IP_SET_IPTREEMAP_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+#define SETTYPE_NAME "iptreemap" -+ -+#ifdef __KERNEL__ -+struct ip_set_iptreemap_d { -+ unsigned char bitmap[32]; /* x.x.x.y */ -+}; -+ -+struct ip_set_iptreemap_c { -+ struct ip_set_iptreemap_d *tree[256]; /* x.x.y.x */ -+}; -+ -+struct ip_set_iptreemap_b { -+ struct ip_set_iptreemap_c *tree[256]; /* x.y.x.x */ -+ unsigned char dirty[32]; -+}; -+#endif -+ -+struct ip_set_iptreemap { -+ unsigned int gc_interval; -+#ifdef __KERNEL__ -+ struct timer_list gc; -+ struct ip_set_iptreemap_b *tree[256]; /* y.x.x.x */ -+#endif -+}; -+ -+struct ip_set_req_iptreemap_create { -+ unsigned int gc_interval; -+}; -+ -+struct ip_set_req_iptreemap { -+ ip_set_ip_t ip; -+ ip_set_ip_t end; -+}; -+ -+#endif /* __IP_SET_IPTREEMAP_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_jhash.h -@@ -0,0 +1,157 @@ -+#ifndef _LINUX_JHASH_H -+#define _LINUX_JHASH_H -+ -+/* jhash.h: Jenkins hash support. -+ * -+ * Copyright (C) 2006. Bob Jenkins (bob_jenkins@burtleburtle.net) -+ * -+ * http://burtleburtle.net/bob/hash/ -+ * -+ * These are the credits from Bob's sources: -+ * -+ * lookup3.c, by Bob Jenkins, May 2006, Public Domain. -+ * -+ * These are functions for producing 32-bit hashes for hash table lookup. -+ * hashword(), hashlittle(), hashlittle2(), hashbig(), mix(), and final() -+ * are externally useful functions. Routines to test the hash are included -+ * if SELF_TEST is defined. You can use this free for any purpose. It's in -+ * the public domain. It has no warranty. -+ * -+ * Copyright (C) 2009 Jozsef Kadlecsik (kadlec@blackhole.kfki.hu) -+ * -+ * I've modified Bob's hash to be useful in the Linux kernel, and -+ * any bugs present are my fault. Jozsef -+ */ -+ -+#define __rot(x,k) (((x)<<(k)) | ((x)>>(32-(k)))) -+ -+/* __jhash_mix - mix 3 32-bit values reversibly. */ -+#define __jhash_mix(a,b,c) \ -+{ \ -+ a -= c; a ^= __rot(c, 4); c += b; \ -+ b -= a; b ^= __rot(a, 6); a += c; \ -+ c -= b; c ^= __rot(b, 8); b += a; \ -+ a -= c; a ^= __rot(c,16); c += b; \ -+ b -= a; b ^= __rot(a,19); a += c; \ -+ c -= b; c ^= __rot(b, 4); b += a; \ -+} -+ -+/* __jhash_final - final mixing of 3 32-bit values (a,b,c) into c */ -+#define __jhash_final(a,b,c) \ -+{ \ -+ c ^= b; c -= __rot(b,14); \ -+ a ^= c; a -= __rot(c,11); \ -+ b ^= a; b -= __rot(a,25); \ -+ c ^= b; c -= __rot(b,16); \ -+ a ^= c; a -= __rot(c,4); \ -+ b ^= a; b -= __rot(a,14); \ -+ c ^= b; c -= __rot(b,24); \ -+} -+ -+/* The golden ration: an arbitrary value */ -+#define JHASH_GOLDEN_RATIO 0xdeadbeef -+ -+/* The most generic version, hashes an arbitrary sequence -+ * of bytes. No alignment or length assumptions are made about -+ * the input key. The result depends on endianness. -+ */ -+static inline u32 jhash(const void *key, u32 length, u32 initval) -+{ -+ u32 a,b,c; -+ const u8 *k = key; -+ -+ /* Set up the internal state */ -+ a = b = c = JHASH_GOLDEN_RATIO + length + initval; -+ -+ /* all but the last block: affect some 32 bits of (a,b,c) */ -+ while (length > 12) { -+ a += (k[0] + ((u32)k[1]<<8) + ((u32)k[2]<<16) + ((u32)k[3]<<24)); -+ b += (k[4] + ((u32)k[5]<<8) + ((u32)k[6]<<16) + ((u32)k[7]<<24)); -+ c += (k[8] + ((u32)k[9]<<8) + ((u32)k[10]<<16) + ((u32)k[11]<<24)); -+ __jhash_mix(a, b, c); -+ length -= 12; -+ k += 12; -+ } -+ -+ /* last block: affect all 32 bits of (c) */ -+ /* all the case statements fall through */ -+ switch (length) { -+ case 12: c += (u32)k[11]<<24; -+ case 11: c += (u32)k[10]<<16; -+ case 10: c += (u32)k[9]<<8; -+ case 9 : c += k[8]; -+ case 8 : b += (u32)k[7]<<24; -+ case 7 : b += (u32)k[6]<<16; -+ case 6 : b += (u32)k[5]<<8; -+ case 5 : b += k[4]; -+ case 4 : a += (u32)k[3]<<24; -+ case 3 : a += (u32)k[2]<<16; -+ case 2 : a += (u32)k[1]<<8; -+ case 1 : a += k[0]; -+ __jhash_final(a, b, c); -+ case 0 : -+ break; -+ } -+ -+ return c; -+} -+ -+/* A special optimized version that handles 1 or more of u32s. -+ * The length parameter here is the number of u32s in the key. -+ */ -+static inline u32 jhash2(const u32 *k, u32 length, u32 initval) -+{ -+ u32 a, b, c; -+ -+ /* Set up the internal state */ -+ a = b = c = JHASH_GOLDEN_RATIO + (length<<2) + initval; -+ -+ /* handle most of the key */ -+ while (length > 3) { -+ a += k[0]; -+ b += k[1]; -+ c += k[2]; -+ __jhash_mix(a, b, c); -+ length -= 3; -+ k += 3; -+ } -+ -+ /* handle the last 3 u32's */ -+ /* all the case statements fall through */ -+ switch (length) { -+ case 3: c += k[2]; -+ case 2: b += k[1]; -+ case 1: a += k[0]; -+ __jhash_final(a, b, c); -+ case 0: /* case 0: nothing left to add */ -+ break; -+ } -+ -+ return c; -+} -+ -+/* A special ultra-optimized versions that knows they are hashing exactly -+ * 3, 2 or 1 word(s). -+ */ -+static inline u32 jhash_3words(u32 a, u32 b, u32 c, u32 initval) -+{ -+ a += JHASH_GOLDEN_RATIO + initval; -+ b += JHASH_GOLDEN_RATIO + initval; -+ c += JHASH_GOLDEN_RATIO + initval; -+ -+ __jhash_final(a, b, c); -+ -+ return c; -+} -+ -+static inline u32 jhash_2words(u32 a, u32 b, u32 initval) -+{ -+ return jhash_3words(0, a, b, initval); -+} -+ -+static inline u32 jhash_1word(u32 a, u32 initval) -+{ -+ return jhash_3words(0, 0, a, initval); -+} -+ -+#endif /* _LINUX_JHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_macipmap.h -@@ -0,0 +1,39 @@ -+#ifndef __IP_SET_MACIPMAP_H -+#define __IP_SET_MACIPMAP_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+ -+#define SETTYPE_NAME "macipmap" -+ -+/* general flags */ -+#define IPSET_MACIP_MATCHUNSET 1 -+ -+/* per ip flags */ -+#define IPSET_MACIP_ISSET 1 -+ -+struct ip_set_macipmap { -+ void *members; /* the macipmap proper */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ u_int32_t flags; -+ u_int32_t size; /* size of the ipmap proper */ -+}; -+ -+struct ip_set_req_macipmap_create { -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+ u_int32_t flags; -+}; -+ -+struct ip_set_req_macipmap { -+ ip_set_ip_t ip; -+ unsigned char ethernet[ETH_ALEN]; -+}; -+ -+struct ip_set_macip { -+ unsigned short match; -+ unsigned char ethernet[ETH_ALEN]; -+}; -+ -+#endif /* __IP_SET_MACIPMAP_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_malloc.h -@@ -0,0 +1,153 @@ -+#ifndef _IP_SET_MALLOC_H -+#define _IP_SET_MALLOC_H -+ -+#ifdef __KERNEL__ -+#include <linux/vmalloc.h> -+ -+static size_t max_malloc_size = 0, max_page_size = 0; -+static size_t default_max_malloc_size = 131072; /* Guaranteed: slab.c */ -+ -+static inline int init_max_page_size(void) -+{ -+/* Compatibility glues to support 2.4.36 */ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) -+#define __GFP_NOWARN 0 -+ -+ /* Guaranteed: slab.c */ -+ max_malloc_size = max_page_size = default_max_malloc_size; -+#else -+ size_t page_size = 0; -+ -+#define CACHE(x) if (max_page_size == 0 || x < max_page_size) \ -+ page_size = x; -+#include <linux/kmalloc_sizes.h> -+#undef CACHE -+ if (page_size) { -+ if (max_malloc_size == 0) -+ max_malloc_size = page_size; -+ -+ max_page_size = page_size; -+ -+ return 1; -+ } -+#endif -+ return 0; -+} -+ -+struct harray { -+ size_t max_elements; -+ void *arrays[0]; -+}; -+ -+static inline void * -+__harray_malloc(size_t hashsize, size_t typesize, gfp_t flags) -+{ -+ struct harray *harray; -+ size_t max_elements, size, i, j; -+ -+ BUG_ON(max_page_size == 0); -+ -+ if (typesize > max_page_size) -+ return NULL; -+ -+ max_elements = max_page_size/typesize; -+ size = hashsize/max_elements; -+ if (hashsize % max_elements) -+ size++; -+ -+ /* Last pointer signals end of arrays */ -+ harray = kmalloc(sizeof(struct harray) + (size + 1) * sizeof(void *), -+ flags); -+ -+ if (!harray) -+ return NULL; -+ -+ for (i = 0; i < size - 1; i++) { -+ harray->arrays[i] = kmalloc(max_elements * typesize, flags); -+ if (!harray->arrays[i]) -+ goto undo; -+ memset(harray->arrays[i], 0, max_elements * typesize); -+ } -+ harray->arrays[i] = kmalloc((hashsize - i * max_elements) * typesize, -+ flags); -+ if (!harray->arrays[i]) -+ goto undo; -+ memset(harray->arrays[i], 0, (hashsize - i * max_elements) * typesize); -+ -+ harray->max_elements = max_elements; -+ harray->arrays[size] = NULL; -+ -+ return (void *)harray; -+ -+ undo: -+ for (j = 0; j < i; j++) { -+ kfree(harray->arrays[j]); -+ } -+ kfree(harray); -+ return NULL; -+} -+ -+static inline void * -+harray_malloc(size_t hashsize, size_t typesize, gfp_t flags) -+{ -+ void *harray; -+ -+ do { -+ harray = __harray_malloc(hashsize, typesize, flags|__GFP_NOWARN); -+ } while (harray == NULL && init_max_page_size()); -+ -+ return harray; -+} -+ -+static inline void harray_free(void *h) -+{ -+ struct harray *harray = (struct harray *) h; -+ size_t i; -+ -+ for (i = 0; harray->arrays[i] != NULL; i++) -+ kfree(harray->arrays[i]); -+ kfree(harray); -+} -+ -+static inline void harray_flush(void *h, size_t hashsize, size_t typesize) -+{ -+ struct harray *harray = (struct harray *) h; -+ size_t i; -+ -+ for (i = 0; harray->arrays[i+1] != NULL; i++) -+ memset(harray->arrays[i], 0, harray->max_elements * typesize); -+ memset(harray->arrays[i], 0, -+ (hashsize - i * harray->max_elements) * typesize); -+} -+ -+#define HARRAY_ELEM(h, type, which) \ -+({ \ -+ struct harray *__h = (struct harray *)(h); \ -+ ((type)((__h)->arrays[(which)/(__h)->max_elements]) \ -+ + (which)%(__h)->max_elements); \ -+}) -+ -+/* General memory allocation and deallocation */ -+static inline void * ip_set_malloc(size_t bytes) -+{ -+ BUG_ON(max_malloc_size == 0); -+ -+ if (bytes > default_max_malloc_size) -+ return vmalloc(bytes); -+ else -+ return kmalloc(bytes, GFP_KERNEL | __GFP_NOWARN); -+} -+ -+static inline void ip_set_free(void * data, size_t bytes) -+{ -+ BUG_ON(max_malloc_size == 0); -+ -+ if (bytes > default_max_malloc_size) -+ vfree(data); -+ else -+ kfree(data); -+} -+ -+#endif /* __KERNEL__ */ -+ -+#endif /*_IP_SET_MALLOC_H*/ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_nethash.h -@@ -0,0 +1,31 @@ -+#ifndef __IP_SET_NETHASH_H -+#define __IP_SET_NETHASH_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_hashes.h> -+ -+#define SETTYPE_NAME "nethash" -+ -+struct ip_set_nethash { -+ ip_set_ip_t *members; /* the nethash proper */ -+ uint32_t elements; /* number of elements */ -+ uint32_t hashsize; /* hash size */ -+ uint16_t probes; /* max number of probes */ -+ uint16_t resize; /* resize factor in percent */ -+ uint8_t cidr[30]; /* CIDR sizes */ -+ uint16_t nets[30]; /* nr of nets by CIDR sizes */ -+ initval_t initval[0]; /* initvals for jhash_1word */ -+}; -+ -+struct ip_set_req_nethash_create { -+ uint32_t hashsize; -+ uint16_t probes; -+ uint16_t resize; -+}; -+ -+struct ip_set_req_nethash { -+ ip_set_ip_t ip; -+ uint8_t cidr; -+}; -+ -+#endif /* __IP_SET_NETHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_portmap.h -@@ -0,0 +1,25 @@ -+#ifndef __IP_SET_PORTMAP_H -+#define __IP_SET_PORTMAP_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+ -+#define SETTYPE_NAME "portmap" -+ -+struct ip_set_portmap { -+ void *members; /* the portmap proper */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ u_int32_t size; /* size of the ipmap proper */ -+}; -+ -+struct ip_set_req_portmap_create { -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+}; -+ -+struct ip_set_req_portmap { -+ ip_set_ip_t ip; -+}; -+ -+#endif /* __IP_SET_PORTMAP_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_setlist.h -@@ -0,0 +1,26 @@ -+#ifndef __IP_SET_SETLIST_H -+#define __IP_SET_SETLIST_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+#define SETTYPE_NAME "setlist" -+ -+#define IP_SET_SETLIST_ADD_AFTER 0 -+#define IP_SET_SETLIST_ADD_BEFORE 1 -+ -+struct ip_set_setlist { -+ uint8_t size; -+ ip_set_id_t index[0]; -+}; -+ -+struct ip_set_req_setlist_create { -+ uint8_t size; -+}; -+ -+struct ip_set_req_setlist { -+ char name[IP_SET_MAXNAMELEN]; -+ char ref[IP_SET_MAXNAMELEN]; -+ uint8_t before; -+}; -+ -+#endif /* __IP_SET_SETLIST_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ipt_set.h -@@ -0,0 +1,21 @@ -+#ifndef _IPT_SET_H -+#define _IPT_SET_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+struct ipt_set_info { -+ ip_set_id_t index; -+ u_int32_t flags[IP_SET_MAX_BINDINGS + 1]; -+}; -+ -+/* match info */ -+struct ipt_set_info_match { -+ struct ipt_set_info match_set; -+}; -+ -+struct ipt_set_info_target { -+ struct ipt_set_info add_set; -+ struct ipt_set_info del_set; -+}; -+ -+#endif /*_IPT_SET_H*/ ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set.c -@@ -0,0 +1,2076 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module for IP set management */ -+ -+#include <linux/version.h> -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+#include <linux/config.h> -+#endif -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/kmod.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/random.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <linux/capability.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27) -+#include <asm/semaphore.h> -+#else -+#include <linux/semaphore.h> -+#endif -+#include <linux/spinlock.h> -+ -+#define ASSERT_READ_LOCK(x) -+#define ASSERT_WRITE_LOCK(x) -+#include <linux/netfilter.h> -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+static struct list_head set_type_list; /* all registered sets */ -+static struct ip_set **ip_set_list; /* all individual sets */ -+static DEFINE_RWLOCK(ip_set_lock); /* protects the lists and the hash */ -+static DECLARE_MUTEX(ip_set_app_mutex); /* serializes user access */ -+static ip_set_id_t ip_set_max = CONFIG_IP_NF_SET_MAX; -+static ip_set_id_t ip_set_bindings_hash_size = CONFIG_IP_NF_SET_HASHSIZE; -+static struct list_head *ip_set_hash; /* hash of bindings */ -+static unsigned int ip_set_hash_random; /* random seed */ -+ -+#define SETNAME_EQ(a,b) (strncmp(a,b,IP_SET_MAXNAMELEN) == 0) -+ -+/* -+ * Sets are identified either by the index in ip_set_list or by id. -+ * The id never changes and is used to find a key in the hash. -+ * The index may change by swapping and used at all other places -+ * (set/SET netfilter modules, binding value, etc.) -+ * -+ * Userspace requests are serialized by ip_set_mutex and sets can -+ * be deleted only from userspace. Therefore ip_set_list locking -+ * must obey the following rules: -+ * -+ * - kernel requests: read and write locking mandatory -+ * - user requests: read locking optional, write locking mandatory -+ */ -+ -+static inline void -+__ip_set_get(ip_set_id_t index) -+{ -+ atomic_inc(&ip_set_list[index]->ref); -+} -+ -+static inline void -+__ip_set_put(ip_set_id_t index) -+{ -+ atomic_dec(&ip_set_list[index]->ref); -+} -+ -+/* -+ * Binding routines -+ */ -+ -+static inline struct ip_set_hash * -+__ip_set_find(u_int32_t key, ip_set_id_t id, ip_set_ip_t ip) -+{ -+ struct ip_set_hash *set_hash; -+ -+ list_for_each_entry(set_hash, &ip_set_hash[key], list) -+ if (set_hash->id == id && set_hash->ip == ip) -+ return set_hash; -+ -+ return NULL; -+} -+ -+static ip_set_id_t -+ip_set_find_in_hash(ip_set_id_t id, ip_set_ip_t ip) -+{ -+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random) -+ % ip_set_bindings_hash_size; -+ struct ip_set_hash *set_hash; -+ -+ ASSERT_READ_LOCK(&ip_set_lock); -+ IP_SET_ASSERT(ip_set_list[id]); -+ DP("set: %s, ip: %u.%u.%u.%u", ip_set_list[id]->name, HIPQUAD(ip)); -+ -+ set_hash = __ip_set_find(key, id, ip); -+ -+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name, -+ HIPQUAD(ip), -+ set_hash != NULL ? ip_set_list[set_hash->binding]->name : ""); -+ -+ return (set_hash != NULL ? set_hash->binding : IP_SET_INVALID_ID); -+} -+ -+static inline void -+__set_hash_del(struct ip_set_hash *set_hash) -+{ -+ ASSERT_WRITE_LOCK(&ip_set_lock); -+ IP_SET_ASSERT(ip_set_list[set_hash->binding]); -+ -+ __ip_set_put(set_hash->binding); -+ list_del(&set_hash->list); -+ kfree(set_hash); -+} -+ -+static int -+ip_set_hash_del(ip_set_id_t id, ip_set_ip_t ip) -+{ -+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random) -+ % ip_set_bindings_hash_size; -+ struct ip_set_hash *set_hash; -+ -+ IP_SET_ASSERT(ip_set_list[id]); -+ DP("set: %s, ip: %u.%u.%u.%u", ip_set_list[id]->name, HIPQUAD(ip)); -+ write_lock_bh(&ip_set_lock); -+ set_hash = __ip_set_find(key, id, ip); -+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name, -+ HIPQUAD(ip), -+ set_hash != NULL ? ip_set_list[set_hash->binding]->name : ""); -+ -+ if (set_hash != NULL) -+ __set_hash_del(set_hash); -+ write_unlock_bh(&ip_set_lock); -+ return 0; -+} -+ -+static int -+ip_set_hash_add(ip_set_id_t id, ip_set_ip_t ip, ip_set_id_t binding) -+{ -+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random) -+ % ip_set_bindings_hash_size; -+ struct ip_set_hash *set_hash; -+ int ret = 0; -+ -+ IP_SET_ASSERT(ip_set_list[id]); -+ IP_SET_ASSERT(ip_set_list[binding]); -+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name, -+ HIPQUAD(ip), ip_set_list[binding]->name); -+ write_lock_bh(&ip_set_lock); -+ set_hash = __ip_set_find(key, id, ip); -+ if (!set_hash) { -+ set_hash = kmalloc(sizeof(struct ip_set_hash), GFP_ATOMIC); -+ if (!set_hash) { -+ ret = -ENOMEM; -+ goto unlock; -+ } -+ INIT_LIST_HEAD(&set_hash->list); -+ set_hash->id = id; -+ set_hash->ip = ip; -+ list_add(&set_hash->list, &ip_set_hash[key]); -+ } else { -+ IP_SET_ASSERT(ip_set_list[set_hash->binding]); -+ DP("overwrite binding: %s", -+ ip_set_list[set_hash->binding]->name); -+ __ip_set_put(set_hash->binding); -+ } -+ set_hash->binding = binding; -+ __ip_set_get(set_hash->binding); -+ DP("stored: key %u, id %u (%s), ip %u.%u.%u.%u, binding %u (%s)", -+ key, id, ip_set_list[id]->name, -+ HIPQUAD(ip), binding, ip_set_list[binding]->name); -+ unlock: -+ write_unlock_bh(&ip_set_lock); -+ return ret; -+} -+ -+#define FOREACH_HASH_DO(fn, args...) \ -+({ \ -+ ip_set_id_t __key; \ -+ struct ip_set_hash *__set_hash; \ -+ \ -+ for (__key = 0; __key < ip_set_bindings_hash_size; __key++) { \ -+ list_for_each_entry(__set_hash, &ip_set_hash[__key], list) \ -+ fn(__set_hash , ## args); \ -+ } \ -+}) -+ -+#define FOREACH_HASH_RW_DO(fn, args...) \ -+({ \ -+ ip_set_id_t __key; \ -+ struct ip_set_hash *__set_hash, *__n; \ -+ \ -+ ASSERT_WRITE_LOCK(&ip_set_lock); \ -+ for (__key = 0; __key < ip_set_bindings_hash_size; __key++) { \ -+ list_for_each_entry_safe(__set_hash, __n, &ip_set_hash[__key], list)\ -+ fn(__set_hash , ## args); \ -+ } \ -+}) -+ -+/* Add, del and test set entries from kernel */ -+ -+#define follow_bindings(index, set, ip) \ -+((index = ip_set_find_in_hash((set)->id, ip)) != IP_SET_INVALID_ID \ -+ || (index = (set)->binding) != IP_SET_INVALID_ID) -+ -+int -+ip_set_testip_kernel(ip_set_id_t index, -+ const struct sk_buff *skb, -+ const u_int32_t *flags) -+{ -+ struct ip_set *set; -+ ip_set_ip_t ip; -+ int res; -+ unsigned char i = 0; -+ -+ IP_SET_ASSERT(flags[i]); -+ read_lock_bh(&ip_set_lock); -+ do { -+ set = ip_set_list[index]; -+ IP_SET_ASSERT(set); -+ DP("set %s, index %u", set->name, index); -+ read_lock_bh(&set->lock); -+ res = set->type->testip_kernel(set, skb, &ip, flags, i++); -+ read_unlock_bh(&set->lock); -+ i += !!(set->type->features & IPSET_DATA_DOUBLE); -+ } while (res > 0 -+ && flags[i] -+ && follow_bindings(index, set, ip)); -+ read_unlock_bh(&ip_set_lock); -+ -+ return (res < 0 ? 0 : res); -+} -+ -+int -+ip_set_addip_kernel(ip_set_id_t index, -+ const struct sk_buff *skb, -+ const u_int32_t *flags) -+{ -+ struct ip_set *set; -+ ip_set_ip_t ip; -+ int res; -+ unsigned char i = 0; -+ -+ IP_SET_ASSERT(flags[i]); -+ retry: -+ read_lock_bh(&ip_set_lock); -+ do { -+ set = ip_set_list[index]; -+ IP_SET_ASSERT(set); -+ DP("set %s, index %u", set->name, index); -+ write_lock_bh(&set->lock); -+ res = set->type->addip_kernel(set, skb, &ip, flags, i++); -+ write_unlock_bh(&set->lock); -+ i += !!(set->type->features & IPSET_DATA_DOUBLE); -+ } while ((res == 0 || res == -EEXIST) -+ && flags[i] -+ && follow_bindings(index, set, ip)); -+ read_unlock_bh(&ip_set_lock); -+ -+ if (res == -EAGAIN -+ && set->type->retry -+ && (res = set->type->retry(set)) == 0) -+ goto retry; -+ -+ return res; -+} -+ -+int -+ip_set_delip_kernel(ip_set_id_t index, -+ const struct sk_buff *skb, -+ const u_int32_t *flags) -+{ -+ struct ip_set *set; -+ ip_set_ip_t ip; -+ int res; -+ unsigned char i = 0; -+ -+ IP_SET_ASSERT(flags[i]); -+ read_lock_bh(&ip_set_lock); -+ do { -+ set = ip_set_list[index]; -+ IP_SET_ASSERT(set); -+ DP("set %s, index %u", set->name, index); -+ write_lock_bh(&set->lock); -+ res = set->type->delip_kernel(set, skb, &ip, flags, i++); -+ write_unlock_bh(&set->lock); -+ i += !!(set->type->features & IPSET_DATA_DOUBLE); -+ } while ((res == 0 || res == -EEXIST) -+ && flags[i] -+ && follow_bindings(index, set, ip)); -+ read_unlock_bh(&ip_set_lock); -+ -+ return res; -+} -+ -+/* Register and deregister settype */ -+ -+static inline struct ip_set_type * -+find_set_type(const char *name) -+{ -+ struct ip_set_type *set_type; -+ -+ list_for_each_entry(set_type, &set_type_list, list) -+ if (!strncmp(set_type->typename, name, IP_SET_MAXNAMELEN - 1)) -+ return set_type; -+ return NULL; -+} -+ -+int -+ip_set_register_set_type(struct ip_set_type *set_type) -+{ -+ int ret = 0; -+ -+ if (set_type->protocol_version != IP_SET_PROTOCOL_VERSION) { -+ ip_set_printk("'%s' uses wrong protocol version %u (want %u)", -+ set_type->typename, -+ set_type->protocol_version, -+ IP_SET_PROTOCOL_VERSION); -+ return -EINVAL; -+ } -+ -+ write_lock_bh(&ip_set_lock); -+ if (find_set_type(set_type->typename)) { -+ /* Duplicate! */ -+ ip_set_printk("'%s' already registered!", -+ set_type->typename); -+ ret = -EINVAL; -+ goto unlock; -+ } -+ if (!try_module_get(THIS_MODULE)) { -+ ret = -EFAULT; -+ goto unlock; -+ } -+ list_add(&set_type->list, &set_type_list); -+ DP("'%s' registered.", set_type->typename); -+ unlock: -+ write_unlock_bh(&ip_set_lock); -+ return ret; -+} -+ -+void -+ip_set_unregister_set_type(struct ip_set_type *set_type) -+{ -+ write_lock_bh(&ip_set_lock); -+ if (!find_set_type(set_type->typename)) { -+ ip_set_printk("'%s' not registered?", -+ set_type->typename); -+ goto unlock; -+ } -+ list_del(&set_type->list); -+ module_put(THIS_MODULE); -+ DP("'%s' unregistered.", set_type->typename); -+ unlock: -+ write_unlock_bh(&ip_set_lock); -+ -+} -+ -+ip_set_id_t -+__ip_set_get_byname(const char *name, struct ip_set **set) -+{ -+ ip_set_id_t i, index = IP_SET_INVALID_ID; -+ -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && SETNAME_EQ(ip_set_list[i]->name, name)) { -+ __ip_set_get(i); -+ index = i; -+ *set = ip_set_list[i]; -+ break; -+ } -+ } -+ return index; -+} -+ -+void __ip_set_put_byindex(ip_set_id_t index) -+{ -+ if (ip_set_list[index]) -+ __ip_set_put(index); -+} -+ -+/* -+ * Userspace routines -+ */ -+ -+/* -+ * Find set by name, reference it once. The reference makes sure the -+ * thing pointed to, does not go away under our feet. Drop the reference -+ * later, using ip_set_put(). -+ */ -+ip_set_id_t -+ip_set_get_byname(const char *name) -+{ -+ ip_set_id_t i, index = IP_SET_INVALID_ID; -+ -+ down(&ip_set_app_mutex); -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && SETNAME_EQ(ip_set_list[i]->name, name)) { -+ __ip_set_get(i); -+ index = i; -+ break; -+ } -+ } -+ up(&ip_set_app_mutex); -+ return index; -+} -+ -+/* -+ * Find set by index, reference it once. The reference makes sure the -+ * thing pointed to, does not go away under our feet. Drop the reference -+ * later, using ip_set_put(). -+ */ -+ip_set_id_t -+ip_set_get_byindex(ip_set_id_t index) -+{ -+ down(&ip_set_app_mutex); -+ -+ if (index >= ip_set_max) -+ return IP_SET_INVALID_ID; -+ -+ if (ip_set_list[index]) -+ __ip_set_get(index); -+ else -+ index = IP_SET_INVALID_ID; -+ -+ up(&ip_set_app_mutex); -+ return index; -+} -+ -+/* -+ * Find the set id belonging to the index. -+ * We are protected by the mutex, so we do not need to use -+ * ip_set_lock. There is no need to reference the sets either. -+ */ -+ip_set_id_t -+ip_set_id(ip_set_id_t index) -+{ -+ if (index >= ip_set_max || !ip_set_list[index]) -+ return IP_SET_INVALID_ID; -+ -+ return ip_set_list[index]->id; -+} -+ -+/* -+ * If the given set pointer points to a valid set, decrement -+ * reference count by 1. The caller shall not assume the index -+ * to be valid, after calling this function. -+ */ -+void ip_set_put_byindex(ip_set_id_t index) -+{ -+ down(&ip_set_app_mutex); -+ if (ip_set_list[index]) -+ __ip_set_put(index); -+ up(&ip_set_app_mutex); -+} -+ -+/* Find a set by name or index */ -+static ip_set_id_t -+ip_set_find_byname(const char *name) -+{ -+ ip_set_id_t i, index = IP_SET_INVALID_ID; -+ -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && SETNAME_EQ(ip_set_list[i]->name, name)) { -+ index = i; -+ break; -+ } -+ } -+ return index; -+} -+ -+static ip_set_id_t -+ip_set_find_byindex(ip_set_id_t index) -+{ -+ if (index >= ip_set_max || ip_set_list[index] == NULL) -+ index = IP_SET_INVALID_ID; -+ -+ return index; -+} -+ -+/* -+ * Add, del, test, bind and unbind -+ */ -+ -+static inline int -+__ip_set_testip(struct ip_set *set, -+ const void *data, -+ u_int32_t size, -+ ip_set_ip_t *ip) -+{ -+ int res; -+ -+ read_lock_bh(&set->lock); -+ res = set->type->testip(set, data, size, ip); -+ read_unlock_bh(&set->lock); -+ -+ return res; -+} -+ -+static int -+__ip_set_addip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ do { -+ write_lock_bh(&set->lock); -+ res = set->type->addip(set, data, size, &ip); -+ write_unlock_bh(&set->lock); -+ } while (res == -EAGAIN -+ && set->type->retry -+ && (res = set->type->retry(set)) == 0); -+ -+ return res; -+} -+ -+static int -+ip_set_addip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ -+ IP_SET_ASSERT(set); -+ -+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) { -+ ip_set_printk("data length wrong (want %lu, have %zu)", -+ (long unsigned)set->type->reqsize, -+ size - sizeof(struct ip_set_req_adt)); -+ return -EINVAL; -+ } -+ return __ip_set_addip(index, -+ data + sizeof(struct ip_set_req_adt), -+ size - sizeof(struct ip_set_req_adt)); -+} -+ -+static int -+ip_set_delip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ -+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) { -+ ip_set_printk("data length wrong (want %lu, have %zu)", -+ (long unsigned)set->type->reqsize, -+ size - sizeof(struct ip_set_req_adt)); -+ return -EINVAL; -+ } -+ write_lock_bh(&set->lock); -+ res = set->type->delip(set, -+ data + sizeof(struct ip_set_req_adt), -+ size - sizeof(struct ip_set_req_adt), -+ &ip); -+ write_unlock_bh(&set->lock); -+ -+ return res; -+} -+ -+static int -+ip_set_testip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ -+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) { -+ ip_set_printk("data length wrong (want %lu, have %zu)", -+ (long unsigned)set->type->reqsize, -+ size - sizeof(struct ip_set_req_adt)); -+ return -EINVAL; -+ } -+ res = __ip_set_testip(set, -+ data + sizeof(struct ip_set_req_adt), -+ size - sizeof(struct ip_set_req_adt), -+ &ip); -+ -+ return (res > 0 ? -EEXIST : res); -+} -+ -+static int -+ip_set_bindip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ const struct ip_set_req_bind *req_bind; -+ ip_set_id_t binding; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ if (size < sizeof(struct ip_set_req_bind)) -+ return -EINVAL; -+ -+ req_bind = data; -+ -+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) { -+ /* Default binding of a set */ -+ const char *binding_name; -+ -+ if (size != sizeof(struct ip_set_req_bind) + IP_SET_MAXNAMELEN) -+ return -EINVAL; -+ -+ binding_name = data + sizeof(struct ip_set_req_bind); -+ -+ binding = ip_set_find_byname(binding_name); -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ write_lock_bh(&ip_set_lock); -+ /* Sets as binding values are referenced */ -+ if (set->binding != IP_SET_INVALID_ID) -+ __ip_set_put(set->binding); -+ set->binding = binding; -+ __ip_set_get(set->binding); -+ write_unlock_bh(&ip_set_lock); -+ -+ return 0; -+ } -+ binding = ip_set_find_byname(req_bind->binding); -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ res = __ip_set_testip(set, -+ data + sizeof(struct ip_set_req_bind), -+ size - sizeof(struct ip_set_req_bind), -+ &ip); -+ DP("set %s, ip: %u.%u.%u.%u, binding %s", -+ set->name, HIPQUAD(ip), ip_set_list[binding]->name); -+ -+ if (res >= 0) -+ res = ip_set_hash_add(set->id, ip, binding); -+ -+ return res; -+} -+ -+#define FOREACH_SET_DO(fn, args...) \ -+({ \ -+ ip_set_id_t __i; \ -+ struct ip_set *__set; \ -+ \ -+ for (__i = 0; __i < ip_set_max; __i++) { \ -+ __set = ip_set_list[__i]; \ -+ if (__set != NULL) \ -+ fn(__set , ##args); \ -+ } \ -+}) -+ -+static inline void -+__set_hash_del_byid(struct ip_set_hash *set_hash, ip_set_id_t id) -+{ -+ if (set_hash->id == id) -+ __set_hash_del(set_hash); -+} -+ -+static inline void -+__unbind_default(struct ip_set *set) -+{ -+ if (set->binding != IP_SET_INVALID_ID) { -+ /* Sets as binding values are referenced */ -+ __ip_set_put(set->binding); -+ set->binding = IP_SET_INVALID_ID; -+ } -+} -+ -+static int -+ip_set_unbindip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set; -+ const struct ip_set_req_bind *req_bind; -+ ip_set_ip_t ip; -+ int res; -+ -+ DP(""); -+ if (size < sizeof(struct ip_set_req_bind)) -+ return -EINVAL; -+ -+ req_bind = data; -+ -+ DP("%u %s", index, req_bind->binding); -+ if (index == IP_SET_INVALID_ID) { -+ /* unbind :all: */ -+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) { -+ /* Default binding of sets */ -+ write_lock_bh(&ip_set_lock); -+ FOREACH_SET_DO(__unbind_default); -+ write_unlock_bh(&ip_set_lock); -+ return 0; -+ } else if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_ALL)) { -+ /* Flush all bindings of all sets*/ -+ write_lock_bh(&ip_set_lock); -+ FOREACH_HASH_RW_DO(__set_hash_del); -+ write_unlock_bh(&ip_set_lock); -+ return 0; -+ } -+ DP("unreachable reached!"); -+ return -EINVAL; -+ } -+ -+ set = ip_set_list[index]; -+ IP_SET_ASSERT(set); -+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) { -+ /* Default binding of set */ -+ ip_set_id_t binding = ip_set_find_byindex(set->binding); -+ -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ write_lock_bh(&ip_set_lock); -+ /* Sets in hash values are referenced */ -+ __ip_set_put(set->binding); -+ set->binding = IP_SET_INVALID_ID; -+ write_unlock_bh(&ip_set_lock); -+ -+ return 0; -+ } else if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_ALL)) { -+ /* Flush all bindings */ -+ -+ write_lock_bh(&ip_set_lock); -+ FOREACH_HASH_RW_DO(__set_hash_del_byid, set->id); -+ write_unlock_bh(&ip_set_lock); -+ return 0; -+ } -+ -+ res = __ip_set_testip(set, -+ data + sizeof(struct ip_set_req_bind), -+ size - sizeof(struct ip_set_req_bind), -+ &ip); -+ -+ DP("set %s, ip: %u.%u.%u.%u", set->name, HIPQUAD(ip)); -+ if (res >= 0) -+ res = ip_set_hash_del(set->id, ip); -+ -+ return res; -+} -+ -+static int -+ip_set_testbind(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ const struct ip_set_req_bind *req_bind; -+ ip_set_id_t binding; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ if (size < sizeof(struct ip_set_req_bind)) -+ return -EINVAL; -+ -+ req_bind = data; -+ -+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) { -+ /* Default binding of set */ -+ const char *binding_name; -+ -+ if (size != sizeof(struct ip_set_req_bind) + IP_SET_MAXNAMELEN) -+ return -EINVAL; -+ -+ binding_name = data + sizeof(struct ip_set_req_bind); -+ -+ binding = ip_set_find_byname(binding_name); -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ res = (set->binding == binding) ? -EEXIST : 0; -+ -+ return res; -+ } -+ binding = ip_set_find_byname(req_bind->binding); -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ -+ res = __ip_set_testip(set, -+ data + sizeof(struct ip_set_req_bind), -+ size - sizeof(struct ip_set_req_bind), -+ &ip); -+ DP("set %s, ip: %u.%u.%u.%u, binding %s", -+ set->name, HIPQUAD(ip), ip_set_list[binding]->name); -+ -+ if (res >= 0) -+ res = (ip_set_find_in_hash(set->id, ip) == binding) -+ ? -EEXIST : 0; -+ -+ return res; -+} -+ -+static struct ip_set_type * -+find_set_type_rlock(const char *typename) -+{ -+ struct ip_set_type *type; -+ -+ read_lock_bh(&ip_set_lock); -+ type = find_set_type(typename); -+ if (type == NULL) -+ read_unlock_bh(&ip_set_lock); -+ -+ return type; -+} -+ -+static int -+find_free_id(const char *name, -+ ip_set_id_t *index, -+ ip_set_id_t *id) -+{ -+ ip_set_id_t i; -+ -+ *id = IP_SET_INVALID_ID; -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] == NULL) { -+ if (*id == IP_SET_INVALID_ID) -+ *id = *index = i; -+ } else if (SETNAME_EQ(name, ip_set_list[i]->name)) -+ /* Name clash */ -+ return -EEXIST; -+ } -+ if (*id == IP_SET_INVALID_ID) -+ /* No free slot remained */ -+ return -ERANGE; -+ /* Check that index is usable as id (swapping) */ -+ check: -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && ip_set_list[i]->id == *id) { -+ *id = i; -+ goto check; -+ } -+ } -+ return 0; -+} -+ -+/* -+ * Create a set -+ */ -+static int -+ip_set_create(const char *name, -+ const char *typename, -+ ip_set_id_t restore, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set; -+ ip_set_id_t index = 0, id; -+ int res = 0; -+ -+ DP("setname: %s, typename: %s, id: %u", name, typename, restore); -+ -+ /* -+ * First, and without any locks, allocate and initialize -+ * a normal base set structure. -+ */ -+ set = kmalloc(sizeof(struct ip_set), GFP_KERNEL); -+ if (!set) -+ return -ENOMEM; -+ rwlock_init(&set->lock); -+ strncpy(set->name, name, IP_SET_MAXNAMELEN); -+ set->binding = IP_SET_INVALID_ID; -+ atomic_set(&set->ref, 0); -+ -+ /* -+ * Next, take the &ip_set_lock, check that we know the type, -+ * and take a reference on the type, to make sure it -+ * stays available while constructing our new set. -+ * -+ * After referencing the type, we drop the &ip_set_lock, -+ * and let the new set construction run without locks. -+ */ -+ set->type = find_set_type_rlock(typename); -+ if (set->type == NULL) { -+ /* Try loading the module */ -+ char modulename[IP_SET_MAXNAMELEN + strlen("ip_set_") + 1]; -+ strcpy(modulename, "ip_set_"); -+ strcat(modulename, typename); -+ DP("try to load %s", modulename); -+ request_module(modulename); -+ set->type = find_set_type_rlock(typename); -+ } -+ if (set->type == NULL) { -+ ip_set_printk("no set type '%s', set '%s' not created", -+ typename, name); -+ res = -ENOENT; -+ goto out; -+ } -+ if (!try_module_get(set->type->me)) { -+ read_unlock_bh(&ip_set_lock); -+ res = -EFAULT; -+ goto out; -+ } -+ read_unlock_bh(&ip_set_lock); -+ -+ /* Check request size */ -+ if (size != set->type->header_size) { -+ ip_set_printk("data length wrong (want %lu, have %lu)", -+ (long unsigned)set->type->header_size, -+ (long unsigned)size); -+ goto put_out; -+ } -+ -+ /* -+ * Without holding any locks, create private part. -+ */ -+ res = set->type->create(set, data, size); -+ if (res != 0) -+ goto put_out; -+ -+ /* BTW, res==0 here. */ -+ -+ /* -+ * Here, we have a valid, constructed set. &ip_set_lock again, -+ * find free id/index and check that it is not already in -+ * ip_set_list. -+ */ -+ write_lock_bh(&ip_set_lock); -+ if ((res = find_free_id(set->name, &index, &id)) != 0) { -+ DP("no free id!"); -+ goto cleanup; -+ } -+ -+ /* Make sure restore gets the same index */ -+ if (restore != IP_SET_INVALID_ID && index != restore) { -+ DP("Can't restore, sets are screwed up"); -+ res = -ERANGE; -+ goto cleanup; -+ } -+ -+ /* -+ * Finally! Add our shiny new set to the list, and be done. -+ */ -+ DP("create: '%s' created with index %u, id %u!", set->name, index, id); -+ set->id = id; -+ ip_set_list[index] = set; -+ write_unlock_bh(&ip_set_lock); -+ return res; -+ -+ cleanup: -+ write_unlock_bh(&ip_set_lock); -+ set->type->destroy(set); -+ put_out: -+ module_put(set->type->me); -+ out: -+ kfree(set); -+ return res; -+} -+ -+/* -+ * Destroy a given existing set -+ */ -+static void -+ip_set_destroy_set(ip_set_id_t index) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ -+ IP_SET_ASSERT(set); -+ DP("set: %s", set->name); -+ write_lock_bh(&ip_set_lock); -+ FOREACH_HASH_RW_DO(__set_hash_del_byid, set->id); -+ if (set->binding != IP_SET_INVALID_ID) -+ __ip_set_put(set->binding); -+ ip_set_list[index] = NULL; -+ write_unlock_bh(&ip_set_lock); -+ -+ /* Must call it without holding any lock */ -+ set->type->destroy(set); -+ module_put(set->type->me); -+ kfree(set); -+} -+ -+/* -+ * Destroy a set - or all sets -+ * Sets must not be referenced/used. -+ */ -+static int -+ip_set_destroy(ip_set_id_t index) -+{ -+ ip_set_id_t i; -+ -+ /* ref modification always protected by the mutex */ -+ if (index != IP_SET_INVALID_ID) { -+ if (atomic_read(&ip_set_list[index]->ref)) -+ return -EBUSY; -+ ip_set_destroy_set(index); -+ } else { -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && (atomic_read(&ip_set_list[i]->ref))) -+ return -EBUSY; -+ } -+ -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL) -+ ip_set_destroy_set(i); -+ } -+ } -+ return 0; -+} -+ -+static void -+ip_set_flush_set(struct ip_set *set) -+{ -+ DP("set: %s %u", set->name, set->id); -+ -+ write_lock_bh(&set->lock); -+ set->type->flush(set); -+ write_unlock_bh(&set->lock); -+} -+ -+/* -+ * Flush data in a set - or in all sets -+ */ -+static int -+ip_set_flush(ip_set_id_t index) -+{ -+ if (index != IP_SET_INVALID_ID) { -+ IP_SET_ASSERT(ip_set_list[index]); -+ ip_set_flush_set(ip_set_list[index]); -+ } else -+ FOREACH_SET_DO(ip_set_flush_set); -+ -+ return 0; -+} -+ -+/* Rename a set */ -+static int -+ip_set_rename(ip_set_id_t index, const char *name) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ ip_set_id_t i; -+ int res = 0; -+ -+ DP("set: %s to %s", set->name, name); -+ write_lock_bh(&ip_set_lock); -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && SETNAME_EQ(ip_set_list[i]->name, name)) { -+ res = -EEXIST; -+ goto unlock; -+ } -+ } -+ strncpy(set->name, name, IP_SET_MAXNAMELEN); -+ unlock: -+ write_unlock_bh(&ip_set_lock); -+ return res; -+} -+ -+/* -+ * Swap two sets so that name/index points to the other. -+ * References are also swapped. -+ */ -+static int -+ip_set_swap(ip_set_id_t from_index, ip_set_id_t to_index) -+{ -+ struct ip_set *from = ip_set_list[from_index]; -+ struct ip_set *to = ip_set_list[to_index]; -+ char from_name[IP_SET_MAXNAMELEN]; -+ u_int32_t from_ref; -+ -+ DP("set: %s to %s", from->name, to->name); -+ /* Features must not change. -+ * Not an artifical restriction anymore, as we must prevent -+ * possible loops created by swapping in setlist type of sets. */ -+ if (from->type->features != to->type->features) -+ return -ENOEXEC; -+ -+ /* No magic here: ref munging protected by the mutex */ -+ write_lock_bh(&ip_set_lock); -+ strncpy(from_name, from->name, IP_SET_MAXNAMELEN); -+ from_ref = atomic_read(&from->ref); -+ -+ strncpy(from->name, to->name, IP_SET_MAXNAMELEN); -+ atomic_set(&from->ref, atomic_read(&to->ref)); -+ strncpy(to->name, from_name, IP_SET_MAXNAMELEN); -+ atomic_set(&to->ref, from_ref); -+ -+ ip_set_list[from_index] = to; -+ ip_set_list[to_index] = from; -+ -+ write_unlock_bh(&ip_set_lock); -+ return 0; -+} -+ -+/* -+ * List set data -+ */ -+ -+static inline void -+__set_hash_bindings_size_list(struct ip_set_hash *set_hash, -+ ip_set_id_t id, u_int32_t *size) -+{ -+ if (set_hash->id == id) -+ *size += sizeof(struct ip_set_hash_list); -+} -+ -+static inline void -+__set_hash_bindings_size_save(struct ip_set_hash *set_hash, -+ ip_set_id_t id, u_int32_t *size) -+{ -+ if (set_hash->id == id) -+ *size += sizeof(struct ip_set_hash_save); -+} -+ -+static inline void -+__set_hash_bindings(struct ip_set_hash *set_hash, -+ ip_set_id_t id, void *data, int *used) -+{ -+ if (set_hash->id == id) { -+ struct ip_set_hash_list *hash_list = data + *used; -+ -+ hash_list->ip = set_hash->ip; -+ hash_list->binding = set_hash->binding; -+ *used += sizeof(struct ip_set_hash_list); -+ } -+} -+ -+static int ip_set_list_set(ip_set_id_t index, -+ void *data, -+ int *used, -+ int len) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ struct ip_set_list *set_list; -+ -+ /* Pointer to our header */ -+ set_list = data + *used; -+ -+ DP("set: %s, used: %d %p %p", set->name, *used, data, data + *used); -+ -+ /* Get and ensure header size */ -+ if (*used + sizeof(struct ip_set_list) > len) -+ goto not_enough_mem; -+ *used += sizeof(struct ip_set_list); -+ -+ read_lock_bh(&set->lock); -+ /* Get and ensure set specific header size */ -+ set_list->header_size = set->type->header_size; -+ if (*used + set_list->header_size > len) -+ goto unlock_set; -+ -+ /* Fill in the header */ -+ set_list->index = index; -+ set_list->binding = set->binding; -+ set_list->ref = atomic_read(&set->ref); -+ -+ /* Fill in set spefific header data */ -+ set->type->list_header(set, data + *used); -+ *used += set_list->header_size; -+ -+ /* Get and ensure set specific members size */ -+ set_list->members_size = set->type->list_members_size(set); -+ if (*used + set_list->members_size > len) -+ goto unlock_set; -+ -+ /* Fill in set spefific members data */ -+ set->type->list_members(set, data + *used); -+ *used += set_list->members_size; -+ read_unlock_bh(&set->lock); -+ -+ /* Bindings */ -+ -+ /* Get and ensure set specific bindings size */ -+ set_list->bindings_size = 0; -+ FOREACH_HASH_DO(__set_hash_bindings_size_list, -+ set->id, &set_list->bindings_size); -+ if (*used + set_list->bindings_size > len) -+ goto not_enough_mem; -+ -+ /* Fill in set spefific bindings data */ -+ FOREACH_HASH_DO(__set_hash_bindings, set->id, data, used); -+ -+ return 0; -+ -+ unlock_set: -+ read_unlock_bh(&set->lock); -+ not_enough_mem: -+ DP("not enough mem, try again"); -+ return -EAGAIN; -+} -+ -+/* -+ * Save sets -+ */ -+static int ip_set_save_set(ip_set_id_t index, -+ void *data, -+ int *used, -+ int len) -+{ -+ struct ip_set *set; -+ struct ip_set_save *set_save; -+ -+ /* Pointer to our header */ -+ set_save = data + *used; -+ -+ /* Get and ensure header size */ -+ if (*used + sizeof(struct ip_set_save) > len) -+ goto not_enough_mem; -+ *used += sizeof(struct ip_set_save); -+ -+ set = ip_set_list[index]; -+ DP("set: %s, used: %d(%d) %p %p", set->name, *used, len, -+ data, data + *used); -+ -+ read_lock_bh(&set->lock); -+ /* Get and ensure set specific header size */ -+ set_save->header_size = set->type->header_size; -+ if (*used + set_save->header_size > len) -+ goto unlock_set; -+ -+ /* Fill in the header */ -+ set_save->index = index; -+ set_save->binding = set->binding; -+ -+ /* Fill in set spefific header data */ -+ set->type->list_header(set, data + *used); -+ *used += set_save->header_size; -+ -+ DP("set header filled: %s, used: %d(%lu) %p %p", set->name, *used, -+ (unsigned long)set_save->header_size, data, data + *used); -+ /* Get and ensure set specific members size */ -+ set_save->members_size = set->type->list_members_size(set); -+ if (*used + set_save->members_size > len) -+ goto unlock_set; -+ -+ /* Fill in set spefific members data */ -+ set->type->list_members(set, data + *used); -+ *used += set_save->members_size; -+ read_unlock_bh(&set->lock); -+ DP("set members filled: %s, used: %d(%lu) %p %p", set->name, *used, -+ (unsigned long)set_save->members_size, data, data + *used); -+ return 0; -+ -+ unlock_set: -+ read_unlock_bh(&set->lock); -+ not_enough_mem: -+ DP("not enough mem, try again"); -+ return -EAGAIN; -+} -+ -+static inline void -+__set_hash_save_bindings(struct ip_set_hash *set_hash, -+ ip_set_id_t id, -+ void *data, -+ int *used, -+ int len, -+ int *res) -+{ -+ if (*res == 0 -+ && (id == IP_SET_INVALID_ID || set_hash->id == id)) { -+ struct ip_set_hash_save *hash_save = data + *used; -+ /* Ensure bindings size */ -+ if (*used + sizeof(struct ip_set_hash_save) > len) { -+ *res = -ENOMEM; -+ return; -+ } -+ hash_save->id = set_hash->id; -+ hash_save->ip = set_hash->ip; -+ hash_save->binding = set_hash->binding; -+ *used += sizeof(struct ip_set_hash_save); -+ } -+} -+ -+static int ip_set_save_bindings(ip_set_id_t index, -+ void *data, -+ int *used, -+ int len) -+{ -+ int res = 0; -+ struct ip_set_save *set_save; -+ -+ DP("used %u, len %u", *used, len); -+ /* Get and ensure header size */ -+ if (*used + sizeof(struct ip_set_save) > len) -+ return -ENOMEM; -+ -+ /* Marker */ -+ set_save = data + *used; -+ set_save->index = IP_SET_INVALID_ID; -+ set_save->header_size = 0; -+ set_save->members_size = 0; -+ *used += sizeof(struct ip_set_save); -+ -+ DP("marker added used %u, len %u", *used, len); -+ /* Fill in bindings data */ -+ if (index != IP_SET_INVALID_ID) -+ /* Sets are identified by id in hash */ -+ index = ip_set_list[index]->id; -+ FOREACH_HASH_DO(__set_hash_save_bindings, index, data, used, len, &res); -+ -+ return res; -+} -+ -+/* -+ * Restore sets -+ */ -+static int ip_set_restore(void *data, -+ int len) -+{ -+ int res = 0; -+ int line = 0, used = 0, members_size; -+ struct ip_set *set; -+ struct ip_set_hash_save *hash_save; -+ struct ip_set_restore *set_restore; -+ ip_set_id_t index; -+ -+ /* Loop to restore sets */ -+ while (1) { -+ line++; -+ -+ DP("%d %zu %d", used, sizeof(struct ip_set_restore), len); -+ /* Get and ensure header size */ -+ if (used + sizeof(struct ip_set_restore) > len) -+ return line; -+ set_restore = data + used; -+ used += sizeof(struct ip_set_restore); -+ -+ /* Ensure data size */ -+ if (used -+ + set_restore->header_size -+ + set_restore->members_size > len) -+ return line; -+ -+ /* Check marker */ -+ if (set_restore->index == IP_SET_INVALID_ID) { -+ line--; -+ goto bindings; -+ } -+ -+ /* Try to create the set */ -+ DP("restore %s %s", set_restore->name, set_restore->typename); -+ res = ip_set_create(set_restore->name, -+ set_restore->typename, -+ set_restore->index, -+ data + used, -+ set_restore->header_size); -+ -+ if (res != 0) -+ return line; -+ used += set_restore->header_size; -+ -+ index = ip_set_find_byindex(set_restore->index); -+ DP("index %u, restore_index %u", index, set_restore->index); -+ if (index != set_restore->index) -+ return line; -+ /* Try to restore members data */ -+ set = ip_set_list[index]; -+ members_size = 0; -+ DP("members_size %lu reqsize %lu", -+ (unsigned long)set_restore->members_size, -+ (unsigned long)set->type->reqsize); -+ while (members_size + set->type->reqsize <= -+ set_restore->members_size) { -+ line++; -+ DP("members: %d, line %d", members_size, line); -+ res = __ip_set_addip(index, -+ data + used + members_size, -+ set->type->reqsize); -+ if (!(res == 0 || res == -EEXIST)) -+ return line; -+ members_size += set->type->reqsize; -+ } -+ -+ DP("members_size %lu %d", -+ (unsigned long)set_restore->members_size, members_size); -+ if (members_size != set_restore->members_size) -+ return line++; -+ used += set_restore->members_size; -+ } -+ -+ bindings: -+ /* Loop to restore bindings */ -+ while (used < len) { -+ line++; -+ -+ DP("restore binding, line %u", line); -+ /* Get and ensure size */ -+ if (used + sizeof(struct ip_set_hash_save) > len) -+ return line; -+ hash_save = data + used; -+ used += sizeof(struct ip_set_hash_save); -+ -+ /* hash_save->id is used to store the index */ -+ index = ip_set_find_byindex(hash_save->id); -+ DP("restore binding index %u, id %u, %u -> %u", -+ index, hash_save->id, hash_save->ip, hash_save->binding); -+ if (index != hash_save->id) -+ return line; -+ if (ip_set_find_byindex(hash_save->binding) == IP_SET_INVALID_ID) { -+ DP("corrupt binding set index %u", hash_save->binding); -+ return line; -+ } -+ set = ip_set_list[hash_save->id]; -+ /* Null valued IP means default binding */ -+ if (hash_save->ip) -+ res = ip_set_hash_add(set->id, -+ hash_save->ip, -+ hash_save->binding); -+ else { -+ IP_SET_ASSERT(set->binding == IP_SET_INVALID_ID); -+ write_lock_bh(&ip_set_lock); -+ set->binding = hash_save->binding; -+ __ip_set_get(set->binding); -+ write_unlock_bh(&ip_set_lock); -+ DP("default binding: %u", set->binding); -+ } -+ if (res != 0) -+ return line; -+ } -+ if (used != len) -+ return line; -+ -+ return 0; -+} -+ -+static int -+ip_set_sockfn_set(struct sock *sk, int optval, void *user, unsigned int len) -+{ -+ void *data; -+ int res = 0; /* Assume OK */ -+ unsigned *op; -+ struct ip_set_req_adt *req_adt; -+ ip_set_id_t index = IP_SET_INVALID_ID; -+ int (*adtfn)(ip_set_id_t index, -+ const void *data, u_int32_t size); -+ struct fn_table { -+ int (*fn)(ip_set_id_t index, -+ const void *data, u_int32_t size); -+ } adtfn_table[] = -+ { { ip_set_addip }, { ip_set_delip }, { ip_set_testip}, -+ { ip_set_bindip}, { ip_set_unbindip }, { ip_set_testbind }, -+ }; -+ -+ DP("optval=%d, user=%p, len=%d", optval, user, len); -+ if (!capable(CAP_NET_ADMIN)) -+ return -EPERM; -+ if (optval != SO_IP_SET) -+ return -EBADF; -+ if (len <= sizeof(unsigned)) { -+ ip_set_printk("short userdata (want >%zu, got %u)", -+ sizeof(unsigned), len); -+ return -EINVAL; -+ } -+ data = vmalloc(len); -+ if (!data) { -+ DP("out of mem for %u bytes", len); -+ return -ENOMEM; -+ } -+ if (copy_from_user(data, user, len) != 0) { -+ res = -EFAULT; -+ goto done; -+ } -+ if (down_interruptible(&ip_set_app_mutex)) { -+ res = -EINTR; -+ goto done; -+ } -+ -+ op = (unsigned *)data; -+ DP("op=%x", *op); -+ -+ if (*op < IP_SET_OP_VERSION) { -+ /* Check the version at the beginning of operations */ -+ struct ip_set_req_version *req_version = data; -+ if (req_version->version != IP_SET_PROTOCOL_VERSION) { -+ res = -EPROTO; -+ goto done; -+ } -+ } -+ -+ switch (*op) { -+ case IP_SET_OP_CREATE:{ -+ struct ip_set_req_create *req_create = data; -+ -+ if (len < sizeof(struct ip_set_req_create)) { -+ ip_set_printk("short CREATE data (want >=%zu, got %u)", -+ sizeof(struct ip_set_req_create), len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_create->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ req_create->typename[IP_SET_MAXNAMELEN - 1] = '\0'; -+ res = ip_set_create(req_create->name, -+ req_create->typename, -+ IP_SET_INVALID_ID, -+ data + sizeof(struct ip_set_req_create), -+ len - sizeof(struct ip_set_req_create)); -+ goto done; -+ } -+ case IP_SET_OP_DESTROY:{ -+ struct ip_set_req_std *req_destroy = data; -+ -+ if (len != sizeof(struct ip_set_req_std)) { -+ ip_set_printk("invalid DESTROY data (want %zu, got %u)", -+ sizeof(struct ip_set_req_std), len); -+ res = -EINVAL; -+ goto done; -+ } -+ if (SETNAME_EQ(req_destroy->name, IPSET_TOKEN_ALL)) { -+ /* Destroy all sets */ -+ index = IP_SET_INVALID_ID; -+ } else { -+ req_destroy->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byname(req_destroy->name); -+ -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ } -+ -+ res = ip_set_destroy(index); -+ goto done; -+ } -+ case IP_SET_OP_FLUSH:{ -+ struct ip_set_req_std *req_flush = data; -+ -+ if (len != sizeof(struct ip_set_req_std)) { -+ ip_set_printk("invalid FLUSH data (want %zu, got %u)", -+ sizeof(struct ip_set_req_std), len); -+ res = -EINVAL; -+ goto done; -+ } -+ if (SETNAME_EQ(req_flush->name, IPSET_TOKEN_ALL)) { -+ /* Flush all sets */ -+ index = IP_SET_INVALID_ID; -+ } else { -+ req_flush->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byname(req_flush->name); -+ -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ } -+ res = ip_set_flush(index); -+ goto done; -+ } -+ case IP_SET_OP_RENAME:{ -+ struct ip_set_req_create *req_rename = data; -+ -+ if (len != sizeof(struct ip_set_req_create)) { -+ ip_set_printk("invalid RENAME data (want %zu, got %u)", -+ sizeof(struct ip_set_req_create), len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ req_rename->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ req_rename->typename[IP_SET_MAXNAMELEN - 1] = '\0'; -+ -+ index = ip_set_find_byname(req_rename->name); -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ res = ip_set_rename(index, req_rename->typename); -+ goto done; -+ } -+ case IP_SET_OP_SWAP:{ -+ struct ip_set_req_create *req_swap = data; -+ ip_set_id_t to_index; -+ -+ if (len != sizeof(struct ip_set_req_create)) { -+ ip_set_printk("invalid SWAP data (want %zu, got %u)", -+ sizeof(struct ip_set_req_create), len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ req_swap->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ req_swap->typename[IP_SET_MAXNAMELEN - 1] = '\0'; -+ -+ index = ip_set_find_byname(req_swap->name); -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ to_index = ip_set_find_byname(req_swap->typename); -+ if (to_index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ res = ip_set_swap(index, to_index); -+ goto done; -+ } -+ default: -+ break; /* Set identified by id */ -+ } -+ -+ /* There we may have add/del/test/bind/unbind/test_bind operations */ -+ if (*op < IP_SET_OP_ADD_IP || *op > IP_SET_OP_TEST_BIND_SET) { -+ res = -EBADMSG; -+ goto done; -+ } -+ adtfn = adtfn_table[*op - IP_SET_OP_ADD_IP].fn; -+ -+ if (len < sizeof(struct ip_set_req_adt)) { -+ ip_set_printk("short data in adt request (want >=%zu, got %u)", -+ sizeof(struct ip_set_req_adt), len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_adt = data; -+ -+ /* -U :all: :all:|:default: uses IP_SET_INVALID_ID */ -+ if (!(*op == IP_SET_OP_UNBIND_SET -+ && req_adt->index == IP_SET_INVALID_ID)) { -+ index = ip_set_find_byindex(req_adt->index); -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ } -+ res = adtfn(index, data, len); -+ -+ done: -+ up(&ip_set_app_mutex); -+ vfree(data); -+ if (res > 0) -+ res = 0; -+ DP("final result %d", res); -+ return res; -+} -+ -+static int -+ip_set_sockfn_get(struct sock *sk, int optval, void *user, int *len) -+{ -+ int res = 0; -+ unsigned *op; -+ ip_set_id_t index = IP_SET_INVALID_ID; -+ void *data; -+ int copylen = *len; -+ -+ DP("optval=%d, user=%p, len=%d", optval, user, *len); -+ if (!capable(CAP_NET_ADMIN)) -+ return -EPERM; -+ if (optval != SO_IP_SET) -+ return -EBADF; -+ if (*len < sizeof(unsigned)) { -+ ip_set_printk("short userdata (want >=%zu, got %d)", -+ sizeof(unsigned), *len); -+ return -EINVAL; -+ } -+ data = vmalloc(*len); -+ if (!data) { -+ DP("out of mem for %d bytes", *len); -+ return -ENOMEM; -+ } -+ if (copy_from_user(data, user, *len) != 0) { -+ res = -EFAULT; -+ goto done; -+ } -+ if (down_interruptible(&ip_set_app_mutex)) { -+ res = -EINTR; -+ goto done; -+ } -+ -+ op = (unsigned *) data; -+ DP("op=%x", *op); -+ -+ if (*op < IP_SET_OP_VERSION) { -+ /* Check the version at the beginning of operations */ -+ struct ip_set_req_version *req_version = data; -+ if (req_version->version != IP_SET_PROTOCOL_VERSION) { -+ res = -EPROTO; -+ goto done; -+ } -+ } -+ -+ switch (*op) { -+ case IP_SET_OP_VERSION: { -+ struct ip_set_req_version *req_version = data; -+ -+ if (*len != sizeof(struct ip_set_req_version)) { -+ ip_set_printk("invalid VERSION (want %zu, got %d)", -+ sizeof(struct ip_set_req_version), -+ *len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ req_version->version = IP_SET_PROTOCOL_VERSION; -+ res = copy_to_user(user, req_version, -+ sizeof(struct ip_set_req_version)); -+ goto done; -+ } -+ case IP_SET_OP_GET_BYNAME: { -+ struct ip_set_req_get_set *req_get = data; -+ -+ if (*len != sizeof(struct ip_set_req_get_set)) { -+ ip_set_printk("invalid GET_BYNAME (want %zu, got %d)", -+ sizeof(struct ip_set_req_get_set), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byname(req_get->set.name); -+ req_get->set.index = index; -+ goto copy; -+ } -+ case IP_SET_OP_GET_BYINDEX: { -+ struct ip_set_req_get_set *req_get = data; -+ -+ if (*len != sizeof(struct ip_set_req_get_set)) { -+ ip_set_printk("invalid GET_BYINDEX (want %zu, got %d)", -+ sizeof(struct ip_set_req_get_set), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byindex(req_get->set.index); -+ strncpy(req_get->set.name, -+ index == IP_SET_INVALID_ID ? "" -+ : ip_set_list[index]->name, IP_SET_MAXNAMELEN); -+ goto copy; -+ } -+ case IP_SET_OP_ADT_GET: { -+ struct ip_set_req_adt_get *req_get = data; -+ -+ if (*len != sizeof(struct ip_set_req_adt_get)) { -+ ip_set_printk("invalid ADT_GET (want %zu, got %d)", -+ sizeof(struct ip_set_req_adt_get), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byname(req_get->set.name); -+ if (index != IP_SET_INVALID_ID) { -+ req_get->set.index = index; -+ strncpy(req_get->typename, -+ ip_set_list[index]->type->typename, -+ IP_SET_MAXNAMELEN - 1); -+ } else { -+ res = -ENOENT; -+ goto done; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_MAX_SETS: { -+ struct ip_set_req_max_sets *req_max_sets = data; -+ ip_set_id_t i; -+ -+ if (*len != sizeof(struct ip_set_req_max_sets)) { -+ ip_set_printk("invalid MAX_SETS (want %zu, got %d)", -+ sizeof(struct ip_set_req_max_sets), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ if (SETNAME_EQ(req_max_sets->set.name, IPSET_TOKEN_ALL)) { -+ req_max_sets->set.index = IP_SET_INVALID_ID; -+ } else { -+ req_max_sets->set.name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ req_max_sets->set.index = -+ ip_set_find_byname(req_max_sets->set.name); -+ if (req_max_sets->set.index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ } -+ req_max_sets->max_sets = ip_set_max; -+ req_max_sets->sets = 0; -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL) -+ req_max_sets->sets++; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_LIST_SIZE: -+ case IP_SET_OP_SAVE_SIZE: { -+ struct ip_set_req_setnames *req_setnames = data; -+ struct ip_set_name_list *name_list; -+ struct ip_set *set; -+ ip_set_id_t i; -+ int used; -+ -+ if (*len < sizeof(struct ip_set_req_setnames)) { -+ ip_set_printk("short LIST_SIZE (want >=%zu, got %d)", -+ sizeof(struct ip_set_req_setnames), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ req_setnames->size = 0; -+ used = sizeof(struct ip_set_req_setnames); -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] == NULL) -+ continue; -+ name_list = data + used; -+ used += sizeof(struct ip_set_name_list); -+ if (used > copylen) { -+ res = -EAGAIN; -+ goto done; -+ } -+ set = ip_set_list[i]; -+ /* Fill in index, name, etc. */ -+ name_list->index = i; -+ name_list->id = set->id; -+ strncpy(name_list->name, -+ set->name, -+ IP_SET_MAXNAMELEN - 1); -+ strncpy(name_list->typename, -+ set->type->typename, -+ IP_SET_MAXNAMELEN - 1); -+ DP("filled %s of type %s, index %u\n", -+ name_list->name, name_list->typename, -+ name_list->index); -+ if (!(req_setnames->index == IP_SET_INVALID_ID -+ || req_setnames->index == i)) -+ continue; -+ /* Update size */ -+ switch (*op) { -+ case IP_SET_OP_LIST_SIZE: { -+ req_setnames->size += sizeof(struct ip_set_list) -+ + set->type->header_size -+ + set->type->list_members_size(set); -+ /* Sets are identified by id in the hash */ -+ FOREACH_HASH_DO(__set_hash_bindings_size_list, -+ set->id, &req_setnames->size); -+ break; -+ } -+ case IP_SET_OP_SAVE_SIZE: { -+ req_setnames->size += sizeof(struct ip_set_save) -+ + set->type->header_size -+ + set->type->list_members_size(set); -+ FOREACH_HASH_DO(__set_hash_bindings_size_save, -+ set->id, &req_setnames->size); -+ break; -+ } -+ default: -+ break; -+ } -+ } -+ if (copylen != used) { -+ res = -EAGAIN; -+ goto done; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_LIST: { -+ struct ip_set_req_list *req_list = data; -+ ip_set_id_t i; -+ int used; -+ -+ if (*len < sizeof(struct ip_set_req_list)) { -+ ip_set_printk("short LIST (want >=%zu, got %d)", -+ sizeof(struct ip_set_req_list), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ index = req_list->index; -+ if (index != IP_SET_INVALID_ID -+ && ip_set_find_byindex(index) != index) { -+ res = -ENOENT; -+ goto done; -+ } -+ used = 0; -+ if (index == IP_SET_INVALID_ID) { -+ /* List all sets */ -+ for (i = 0; i < ip_set_max && res == 0; i++) { -+ if (ip_set_list[i] != NULL) -+ res = ip_set_list_set(i, data, &used, *len); -+ } -+ } else { -+ /* List an individual set */ -+ res = ip_set_list_set(index, data, &used, *len); -+ } -+ if (res != 0) -+ goto done; -+ else if (copylen != used) { -+ res = -EAGAIN; -+ goto done; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_SAVE: { -+ struct ip_set_req_list *req_save = data; -+ ip_set_id_t i; -+ int used; -+ -+ if (*len < sizeof(struct ip_set_req_list)) { -+ ip_set_printk("short SAVE (want >=%zu, got %d)", -+ sizeof(struct ip_set_req_list), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ index = req_save->index; -+ if (index != IP_SET_INVALID_ID -+ && ip_set_find_byindex(index) != index) { -+ res = -ENOENT; -+ goto done; -+ } -+ -+#define SETLIST(set) (strcmp(set->type->typename, "setlist") == 0) -+ -+ used = 0; -+ if (index == IP_SET_INVALID_ID) { -+ /* Save all sets: ugly setlist type dependency */ -+ int setlist = 0; -+ setlists: -+ for (i = 0; i < ip_set_max && res == 0; i++) { -+ if (ip_set_list[i] != NULL -+ && !(setlist ^ SETLIST(ip_set_list[i]))) -+ res = ip_set_save_set(i, data, &used, *len); -+ } -+ if (!setlist) { -+ setlist = 1; -+ goto setlists; -+ } -+ } else { -+ /* Save an individual set */ -+ res = ip_set_save_set(index, data, &used, *len); -+ } -+ if (res == 0) -+ res = ip_set_save_bindings(index, data, &used, *len); -+ -+ if (res != 0) -+ goto done; -+ else if (copylen != used) { -+ res = -EAGAIN; -+ goto done; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_RESTORE: { -+ struct ip_set_req_setnames *req_restore = data; -+ int line; -+ -+ if (*len < sizeof(struct ip_set_req_setnames) -+ || *len != req_restore->size) { -+ ip_set_printk("invalid RESTORE (want =%lu, got %d)", -+ (long unsigned)req_restore->size, *len); -+ res = -EINVAL; -+ goto done; -+ } -+ line = ip_set_restore(data + sizeof(struct ip_set_req_setnames), -+ req_restore->size - sizeof(struct ip_set_req_setnames)); -+ DP("ip_set_restore: %d", line); -+ if (line != 0) { -+ res = -EAGAIN; -+ req_restore->size = line; -+ copylen = sizeof(struct ip_set_req_setnames); -+ goto copy; -+ } -+ goto done; -+ } -+ default: -+ res = -EBADMSG; -+ goto done; -+ } /* end of switch(op) */ -+ -+ copy: -+ DP("set %s, copylen %d", index != IP_SET_INVALID_ID -+ && ip_set_list[index] -+ ? ip_set_list[index]->name -+ : ":all:", copylen); -+ res = copy_to_user(user, data, copylen); -+ -+ done: -+ up(&ip_set_app_mutex); -+ vfree(data); -+ if (res > 0) -+ res = 0; -+ DP("final result %d", res); -+ return res; -+} -+ -+static struct nf_sockopt_ops so_set = { -+ .pf = PF_INET, -+ .set_optmin = SO_IP_SET, -+ .set_optmax = SO_IP_SET + 1, -+ .set = &ip_set_sockfn_set, -+ .get_optmin = SO_IP_SET, -+ .get_optmax = SO_IP_SET + 1, -+ .get = &ip_set_sockfn_get, -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -+ .use = 0, -+#else -+ .owner = THIS_MODULE, -+#endif -+}; -+ -+static int max_sets, hash_size; -+ -+module_param(max_sets, int, 0600); -+MODULE_PARM_DESC(max_sets, "maximal number of sets"); -+module_param(hash_size, int, 0600); -+MODULE_PARM_DESC(hash_size, "hash size for bindings"); -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("module implementing core IP set support"); -+ -+static int __init ip_set_init(void) -+{ -+ int res; -+ ip_set_id_t i; -+ -+ get_random_bytes(&ip_set_hash_random, 4); -+ if (max_sets) -+ ip_set_max = max_sets; -+ ip_set_list = vmalloc(sizeof(struct ip_set *) * ip_set_max); -+ if (!ip_set_list) { -+ printk(KERN_ERR "Unable to create ip_set_list\n"); -+ return -ENOMEM; -+ } -+ memset(ip_set_list, 0, sizeof(struct ip_set *) * ip_set_max); -+ if (hash_size) -+ ip_set_bindings_hash_size = hash_size; -+ ip_set_hash = vmalloc(sizeof(struct list_head) * ip_set_bindings_hash_size); -+ if (!ip_set_hash) { -+ printk(KERN_ERR "Unable to create ip_set_hash\n"); -+ vfree(ip_set_list); -+ return -ENOMEM; -+ } -+ for (i = 0; i < ip_set_bindings_hash_size; i++) -+ INIT_LIST_HEAD(&ip_set_hash[i]); -+ -+ INIT_LIST_HEAD(&set_type_list); -+ -+ res = nf_register_sockopt(&so_set); -+ if (res != 0) { -+ ip_set_printk("SO_SET registry failed: %d", res); -+ vfree(ip_set_list); -+ vfree(ip_set_hash); -+ return res; -+ } -+ -+ return 0; -+} -+ -+static void __exit ip_set_fini(void) -+{ -+ /* There can't be any existing set or binding */ -+ nf_unregister_sockopt(&so_set); -+ vfree(ip_set_list); -+ vfree(ip_set_hash); -+ DP("these are the famous last words"); -+} -+ -+EXPORT_SYMBOL(ip_set_register_set_type); -+EXPORT_SYMBOL(ip_set_unregister_set_type); -+ -+EXPORT_SYMBOL(ip_set_get_byname); -+EXPORT_SYMBOL(ip_set_get_byindex); -+EXPORT_SYMBOL(ip_set_put_byindex); -+EXPORT_SYMBOL(ip_set_id); -+EXPORT_SYMBOL(__ip_set_get_byname); -+EXPORT_SYMBOL(__ip_set_put_byindex); -+ -+EXPORT_SYMBOL(ip_set_addip_kernel); -+EXPORT_SYMBOL(ip_set_delip_kernel); -+EXPORT_SYMBOL(ip_set_testip_kernel); -+ -+module_init(ip_set_init); -+module_exit(ip_set_fini); ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_iphash.c -@@ -0,0 +1,166 @@ -+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an ip hash set */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/random.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_iphash.h> -+ -+static int limit = MAX_RANGE; -+ -+static inline __u32 -+iphash_id(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iphash *map = set->data; -+ __u32 id; -+ u_int16_t i; -+ ip_set_ip_t *elem; -+ -+ *hash_ip = ip & map->netmask; -+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip), HIPQUAD(map->netmask)); -+ -+ for (i = 0; i < map->probes; i++) { -+ id = jhash_ip(map, i, *hash_ip) % map->hashsize; -+ DP("hash key: %u", id); -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ if (*elem == *hash_ip) -+ return id; -+ /* No shortcut - there can be deleted entries. */ -+ } -+ return UINT_MAX; -+} -+ -+static inline int -+iphash_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ return (ip && iphash_id(set, hash_ip, ip) != UINT_MAX); -+} -+ -+#define KADT_CONDITION -+ -+UADT(iphash, test) -+KADT(iphash, test, ipaddr) -+ -+static inline int -+__iphash_add(struct ip_set_iphash *map, ip_set_ip_t *ip) -+{ -+ __u32 probe; -+ u_int16_t i; -+ ip_set_ip_t *elem, *slot = NULL; -+ -+ for (i = 0; i < map->probes; i++) { -+ probe = jhash_ip(map, i, *ip) % map->hashsize; -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe); -+ if (*elem == *ip) -+ return -EEXIST; -+ if (!(slot || *elem)) -+ slot = elem; -+ /* There can be deleted entries, must check all slots */ -+ } -+ if (slot) { -+ *slot = *ip; -+ map->elements++; -+ return 0; -+ } -+ /* Trigger rehashing */ -+ return -EAGAIN; -+} -+ -+static inline int -+iphash_add(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iphash *map = set->data; -+ -+ if (!ip || map->elements >= limit) -+ return -ERANGE; -+ -+ *hash_ip = ip & map->netmask; -+ -+ return __iphash_add(map, hash_ip); -+} -+ -+UADT(iphash, add) -+KADT(iphash, add, ipaddr) -+ -+static inline void -+__iphash_retry(struct ip_set_iphash *tmp, struct ip_set_iphash *map) -+{ -+ tmp->netmask = map->netmask; -+} -+ -+HASH_RETRY(iphash, ip_set_ip_t) -+ -+static inline int -+iphash_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iphash *map = set->data; -+ ip_set_ip_t id, *elem; -+ -+ if (!ip) -+ return -ERANGE; -+ -+ id = iphash_id(set, hash_ip, ip); -+ if (id == UINT_MAX) -+ return -EEXIST; -+ -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ *elem = 0; -+ map->elements--; -+ -+ return 0; -+} -+ -+UADT(iphash, del) -+KADT(iphash, del, ipaddr) -+ -+static inline int -+__iphash_create(const struct ip_set_req_iphash_create *req, -+ struct ip_set_iphash *map) -+{ -+ map->netmask = req->netmask; -+ -+ return 0; -+} -+ -+HASH_CREATE(iphash, ip_set_ip_t) -+HASH_DESTROY(iphash) -+ -+HASH_FLUSH(iphash, ip_set_ip_t) -+ -+static inline void -+__iphash_list_header(const struct ip_set_iphash *map, -+ struct ip_set_req_iphash_create *header) -+{ -+ header->netmask = map->netmask; -+} -+ -+HASH_LIST_HEADER(iphash) -+HASH_LIST_MEMBERS_SIZE(iphash, ip_set_ip_t) -+HASH_LIST_MEMBERS(iphash, ip_set_ip_t) -+ -+IP_SET_RTYPE(iphash, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("iphash type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+REGISTER_MODULE(iphash) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_ipmap.c -@@ -0,0 +1,142 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an IP set type: the single bitmap type */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+ -+#include <linux/netfilter_ipv4/ip_set_ipmap.h> -+ -+static inline ip_set_ip_t -+ip_to_id(const struct ip_set_ipmap *map, ip_set_ip_t ip) -+{ -+ return (ip - map->first_ip)/map->hosts; -+} -+ -+static inline int -+ipmap_test(const struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ const struct ip_set_ipmap *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = ip & map->netmask; -+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ return !!test_bit(ip_to_id(map, *hash_ip), map->members); -+} -+ -+#define KADT_CONDITION -+ -+UADT(ipmap, test) -+KADT(ipmap, test, ipaddr) -+ -+static inline int -+ipmap_add(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_ipmap *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = ip & map->netmask; -+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ if (test_and_set_bit(ip_to_id(map, *hash_ip), map->members)) -+ return -EEXIST; -+ -+ return 0; -+} -+ -+UADT(ipmap, add) -+KADT(ipmap, add, ipaddr) -+ -+static inline int -+ipmap_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_ipmap *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = ip & map->netmask; -+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ if (!test_and_clear_bit(ip_to_id(map, *hash_ip), map->members)) -+ return -EEXIST; -+ -+ return 0; -+} -+ -+UADT(ipmap, del) -+KADT(ipmap, del, ipaddr) -+ -+static inline int -+__ipmap_create(const struct ip_set_req_ipmap_create *req, -+ struct ip_set_ipmap *map) -+{ -+ map->netmask = req->netmask; -+ -+ if (req->netmask == 0xFFFFFFFF) { -+ map->hosts = 1; -+ map->sizeid = map->last_ip - map->first_ip + 1; -+ } else { -+ unsigned int mask_bits, netmask_bits; -+ ip_set_ip_t mask; -+ -+ map->first_ip &= map->netmask; /* Should we better bark? */ -+ -+ mask = range_to_mask(map->first_ip, map->last_ip, &mask_bits); -+ netmask_bits = mask_to_bits(map->netmask); -+ -+ if ((!mask && (map->first_ip || map->last_ip != 0xFFFFFFFF)) -+ || netmask_bits <= mask_bits) -+ return -ENOEXEC; -+ -+ DP("mask_bits %u, netmask_bits %u", -+ mask_bits, netmask_bits); -+ map->hosts = 2 << (32 - netmask_bits - 1); -+ map->sizeid = 2 << (netmask_bits - mask_bits - 1); -+ } -+ if (map->sizeid > MAX_RANGE + 1) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ map->sizeid, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ DP("hosts %u, sizeid %u", map->hosts, map->sizeid); -+ return bitmap_bytes(0, map->sizeid - 1); -+} -+ -+BITMAP_CREATE(ipmap) -+BITMAP_DESTROY(ipmap) -+BITMAP_FLUSH(ipmap) -+ -+static inline void -+__ipmap_list_header(const struct ip_set_ipmap *map, -+ struct ip_set_req_ipmap_create *header) -+{ -+ header->netmask = map->netmask; -+} -+ -+BITMAP_LIST_HEADER(ipmap) -+BITMAP_LIST_MEMBERS_SIZE(ipmap) -+BITMAP_LIST_MEMBERS(ipmap) -+ -+IP_SET_TYPE(ipmap, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("ipmap type of IP sets"); -+ -+REGISTER_MODULE(ipmap) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_ipporthash.c -@@ -0,0 +1,203 @@ -+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an ip+port hash set */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/tcp.h> -+#include <linux/udp.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/random.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_ipporthash.h> -+#include <linux/netfilter_ipv4/ip_set_getport.h> -+ -+static int limit = MAX_RANGE; -+ -+static inline __u32 -+ipporthash_id(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port) -+{ -+ struct ip_set_ipporthash *map = set->data; -+ __u32 id; -+ u_int16_t i; -+ ip_set_ip_t *elem; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ -+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip)); -+ if (!*hash_ip) -+ return UINT_MAX; -+ -+ for (i = 0; i < map->probes; i++) { -+ id = jhash_ip(map, i, *hash_ip) % map->hashsize; -+ DP("hash key: %u", id); -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ if (*elem == *hash_ip) -+ return id; -+ /* No shortcut - there can be deleted entries. */ -+ } -+ return UINT_MAX; -+} -+ -+static inline int -+ipporthash_test(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port) -+{ -+ struct ip_set_ipporthash *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ return (ipporthash_id(set, hash_ip, ip, port) != UINT_MAX); -+} -+ -+#define KADT_CONDITION \ -+ ip_set_ip_t port; \ -+ \ -+ if (flags[index+1] == 0) \ -+ return 0; \ -+ \ -+ port = get_port(skb, flags[index+1]); \ -+ \ -+ if (port == INVALID_PORT) \ -+ return 0; -+ -+UADT(ipporthash, test, req->port) -+KADT(ipporthash, test, ipaddr, port) -+ -+static inline int -+__ipporthash_add(struct ip_set_ipporthash *map, ip_set_ip_t *ip) -+{ -+ __u32 probe; -+ u_int16_t i; -+ ip_set_ip_t *elem, *slot = NULL; -+ -+ for (i = 0; i < map->probes; i++) { -+ probe = jhash_ip(map, i, *ip) % map->hashsize; -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe); -+ if (*elem == *ip) -+ return -EEXIST; -+ if (!(slot || *elem)) -+ slot = elem; -+ /* There can be deleted entries, must check all slots */ -+ } -+ if (slot) { -+ *slot = *ip; -+ map->elements++; -+ return 0; -+ } -+ /* Trigger rehashing */ -+ return -EAGAIN; -+} -+ -+static inline int -+ipporthash_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port) -+{ -+ struct ip_set_ipporthash *map = set->data; -+ if (map->elements > limit) -+ return -ERANGE; -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ -+ if (!*hash_ip) -+ return -ERANGE; -+ -+ return __ipporthash_add(map, hash_ip); -+} -+ -+UADT(ipporthash, add, req->port) -+KADT(ipporthash, add, ipaddr, port) -+ -+static inline void -+__ipporthash_retry(struct ip_set_ipporthash *tmp, -+ struct ip_set_ipporthash *map) -+{ -+ tmp->first_ip = map->first_ip; -+ tmp->last_ip = map->last_ip; -+} -+ -+HASH_RETRY(ipporthash, ip_set_ip_t) -+ -+static inline int -+ipporthash_del(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port) -+{ -+ struct ip_set_ipporthash *map = set->data; -+ ip_set_ip_t id; -+ ip_set_ip_t *elem; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ id = ipporthash_id(set, hash_ip, ip, port); -+ -+ if (id == UINT_MAX) -+ return -EEXIST; -+ -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ *elem = 0; -+ map->elements--; -+ -+ return 0; -+} -+ -+UADT(ipporthash, del, req->port) -+KADT(ipporthash, del, ipaddr, port) -+ -+static inline int -+__ipporthash_create(const struct ip_set_req_ipporthash_create *req, -+ struct ip_set_ipporthash *map) -+{ -+ if (req->to - req->from > MAX_RANGE) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ req->to - req->from + 1, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ map->first_ip = req->from; -+ map->last_ip = req->to; -+ return 0; -+} -+ -+HASH_CREATE(ipporthash, ip_set_ip_t) -+HASH_DESTROY(ipporthash) -+HASH_FLUSH(ipporthash, ip_set_ip_t) -+ -+static inline void -+__ipporthash_list_header(const struct ip_set_ipporthash *map, -+ struct ip_set_req_ipporthash_create *header) -+{ -+ header->from = map->first_ip; -+ header->to = map->last_ip; -+} -+ -+HASH_LIST_HEADER(ipporthash) -+HASH_LIST_MEMBERS_SIZE(ipporthash, ip_set_ip_t) -+HASH_LIST_MEMBERS(ipporthash, ip_set_ip_t) -+ -+IP_SET_RTYPE(ipporthash, IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_DATA_DOUBLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("ipporthash type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+REGISTER_MODULE(ipporthash) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_ipportiphash.c -@@ -0,0 +1,216 @@ -+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an ip+port+ip hash set */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/tcp.h> -+#include <linux/udp.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/random.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_ipportiphash.h> -+#include <linux/netfilter_ipv4/ip_set_getport.h> -+ -+static int limit = MAX_RANGE; -+ -+#define jhash_ip2(map, i, ipport, ip1) \ -+ jhash_2words(ipport, ip1, *(map->initval + i)) -+ -+static inline __u32 -+ipportiphash_id(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportiphash *map = set->data; -+ __u32 id; -+ u_int16_t i; -+ struct ipportip *elem; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip)); -+ if (!(*hash_ip || ip1)) -+ return UINT_MAX; -+ -+ for (i = 0; i < map->probes; i++) { -+ id = jhash_ip2(map, i, *hash_ip, ip1) % map->hashsize; -+ DP("hash key: %u", id); -+ elem = HARRAY_ELEM(map->members, struct ipportip *, id); -+ if (elem->ip == *hash_ip && elem->ip1 == ip1) -+ return id; -+ /* No shortcut - there can be deleted entries. */ -+ } -+ return UINT_MAX; -+} -+ -+static inline int -+ipportiphash_test(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportiphash *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ return (ipportiphash_id(set, hash_ip, ip, port, ip1) != UINT_MAX); -+} -+ -+#define KADT_CONDITION \ -+ ip_set_ip_t port, ip1; \ -+ \ -+ if (flags[index+2] == 0) \ -+ return 0; \ -+ \ -+ port = get_port(skb, flags[index+1]); \ -+ ip1 = ipaddr(skb, flags[index+2]); \ -+ \ -+ if (port == INVALID_PORT) \ -+ return 0; -+ -+UADT(ipportiphash, test, req->port, req->ip1) -+KADT(ipportiphash, test, ipaddr, port, ip1) -+ -+static inline int -+__ipportip_add(struct ip_set_ipportiphash *map, -+ ip_set_ip_t hash_ip, ip_set_ip_t ip1) -+{ -+ __u32 probe; -+ u_int16_t i; -+ struct ipportip *elem, *slot = NULL; -+ -+ for (i = 0; i < map->probes; i++) { -+ probe = jhash_ip2(map, i, hash_ip, ip1) % map->hashsize; -+ elem = HARRAY_ELEM(map->members, struct ipportip *, probe); -+ if (elem->ip == hash_ip && elem->ip1 == ip1) -+ return -EEXIST; -+ if (!(slot || elem->ip || elem->ip1)) -+ slot = elem; -+ /* There can be deleted entries, must check all slots */ -+ } -+ if (slot) { -+ slot->ip = hash_ip; -+ slot->ip1 = ip1; -+ map->elements++; -+ return 0; -+ } -+ /* Trigger rehashing */ -+ return -EAGAIN; -+} -+ -+static inline int -+__ipportiphash_add(struct ip_set_ipportiphash *map, -+ struct ipportip *elem) -+{ -+ return __ipportip_add(map, elem->ip, elem->ip1); -+} -+ -+static inline int -+ipportiphash_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportiphash *map = set->data; -+ -+ if (map->elements > limit) -+ return -ERANGE; -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ if (!(*hash_ip || ip1)) -+ return -ERANGE; -+ -+ return __ipportip_add(map, *hash_ip, ip1); -+} -+ -+UADT(ipportiphash, add, req->port, req->ip1) -+KADT(ipportiphash, add, ipaddr, port, ip1) -+ -+static inline void -+__ipportiphash_retry(struct ip_set_ipportiphash *tmp, -+ struct ip_set_ipportiphash *map) -+{ -+ tmp->first_ip = map->first_ip; -+ tmp->last_ip = map->last_ip; -+} -+ -+HASH_RETRY2(ipportiphash, struct ipportip) -+ -+static inline int -+ipportiphash_del(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportiphash *map = set->data; -+ ip_set_ip_t id; -+ struct ipportip *elem; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ id = ipportiphash_id(set, hash_ip, ip, port, ip1); -+ -+ if (id == UINT_MAX) -+ return -EEXIST; -+ -+ elem = HARRAY_ELEM(map->members, struct ipportip *, id); -+ elem->ip = elem->ip1 = 0; -+ map->elements--; -+ -+ return 0; -+} -+ -+UADT(ipportiphash, del, req->port, req->ip1) -+KADT(ipportiphash, del, ipaddr, port, ip1) -+ -+static inline int -+__ipportiphash_create(const struct ip_set_req_ipportiphash_create *req, -+ struct ip_set_ipportiphash *map) -+{ -+ if (req->to - req->from > MAX_RANGE) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ req->to - req->from + 1, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ map->first_ip = req->from; -+ map->last_ip = req->to; -+ return 0; -+} -+ -+HASH_CREATE(ipportiphash, struct ipportip) -+HASH_DESTROY(ipportiphash) -+HASH_FLUSH(ipportiphash, struct ipportip) -+ -+static inline void -+__ipportiphash_list_header(const struct ip_set_ipportiphash *map, -+ struct ip_set_req_ipportiphash_create *header) -+{ -+ header->from = map->first_ip; -+ header->to = map->last_ip; -+} -+ -+HASH_LIST_HEADER(ipportiphash) -+HASH_LIST_MEMBERS_SIZE(ipportiphash, struct ipportip) -+HASH_LIST_MEMBERS_MEMCPY(ipportiphash, struct ipportip) -+ -+IP_SET_RTYPE(ipportiphash, IPSET_TYPE_IP | IPSET_TYPE_PORT -+ | IPSET_TYPE_IP1 | IPSET_DATA_TRIPLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("ipportiphash type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+REGISTER_MODULE(ipportiphash) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_ipportnethash.c -@@ -0,0 +1,304 @@ -+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an ip+port+net hash set */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/tcp.h> -+#include <linux/udp.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/random.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_ipportnethash.h> -+#include <linux/netfilter_ipv4/ip_set_getport.h> -+ -+static int limit = MAX_RANGE; -+ -+#define jhash_ip2(map, i, ipport, ip1) \ -+ jhash_2words(ipport, ip1, *(map->initval + i)) -+ -+static inline __u32 -+ipportnethash_id_cidr(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, -+ ip_set_ip_t ip1, uint8_t cidr) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ __u32 id; -+ u_int16_t i; -+ struct ipportip *elem; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip)); -+ ip1 = pack_ip_cidr(ip1, cidr); -+ if (!(*hash_ip || ip1)) -+ return UINT_MAX; -+ -+ for (i = 0; i < map->probes; i++) { -+ id = jhash_ip2(map, i, *hash_ip, ip1) % map->hashsize; -+ DP("hash key: %u", id); -+ elem = HARRAY_ELEM(map->members, struct ipportip *, id); -+ if (elem->ip == *hash_ip && elem->ip1 == ip1) -+ return id; -+ /* No shortcut - there can be deleted entries. */ -+ } -+ return UINT_MAX; -+} -+ -+static inline __u32 -+ipportnethash_id(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ __u32 id = UINT_MAX; -+ int i; -+ -+ for (i = 0; i < 30 && map->cidr[i]; i++) { -+ id = ipportnethash_id_cidr(set, hash_ip, ip, port, ip1, -+ map->cidr[i]); -+ if (id != UINT_MAX) -+ break; -+ } -+ return id; -+} -+ -+static inline int -+ipportnethash_test_cidr(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, -+ ip_set_ip_t ip1, uint8_t cidr) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ return (ipportnethash_id_cidr(set, hash_ip, ip, port, ip1, -+ cidr) != UINT_MAX); -+} -+ -+static inline int -+ipportnethash_test(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ return (ipportnethash_id(set, hash_ip, ip, port, ip1) != UINT_MAX); -+} -+ -+static int -+ipportnethash_utest(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ const struct ip_set_req_ipportnethash *req = data; -+ -+ if (req->cidr <= 0 || req->cidr > 32) -+ return -EINVAL; -+ return (req->cidr == 32 -+ ? ipportnethash_test(set, hash_ip, req->ip, req->port, -+ req->ip1) -+ : ipportnethash_test_cidr(set, hash_ip, req->ip, req->port, -+ req->ip1, req->cidr)); -+} -+ -+#define KADT_CONDITION \ -+ ip_set_ip_t port, ip1; \ -+ \ -+ if (flags[index+2] == 0) \ -+ return 0; \ -+ \ -+ port = get_port(skb, flags[index+1]); \ -+ ip1 = ipaddr(skb, flags[index+2]); \ -+ \ -+ if (port == INVALID_PORT) \ -+ return 0; -+ -+KADT(ipportnethash, test, ipaddr, port, ip1) -+ -+static inline int -+__ipportnet_add(struct ip_set_ipportnethash *map, -+ ip_set_ip_t hash_ip, ip_set_ip_t ip1) -+{ -+ __u32 probe; -+ u_int16_t i; -+ struct ipportip *elem, *slot = NULL; -+ -+ for (i = 0; i < map->probes; i++) { -+ probe = jhash_ip2(map, i, hash_ip, ip1) % map->hashsize; -+ elem = HARRAY_ELEM(map->members, struct ipportip *, probe); -+ if (elem->ip == hash_ip && elem->ip1 == ip1) -+ return -EEXIST; -+ if (!(slot || elem->ip || elem->ip1)) -+ slot = elem; -+ /* There can be deleted entries, must check all slots */ -+ } -+ if (slot) { -+ slot->ip = hash_ip; -+ slot->ip1 = ip1; -+ map->elements++; -+ return 0; -+ } -+ /* Trigger rehashing */ -+ return -EAGAIN; -+} -+ -+static inline int -+__ipportnethash_add(struct ip_set_ipportnethash *map, -+ struct ipportip *elem) -+{ -+ return __ipportnet_add(map, elem->ip, elem->ip1); -+} -+ -+static inline int -+ipportnethash_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, -+ ip_set_ip_t ip1, uint8_t cidr) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ struct ipportip; -+ int ret; -+ -+ if (map->elements > limit) -+ return -ERANGE; -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ if (cidr <= 0 || cidr >= 32) -+ return -EINVAL; -+ if (map->nets[cidr-1] == UINT16_MAX) -+ return -ERANGE; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ ip1 = pack_ip_cidr(ip1, cidr); -+ if (!(*hash_ip || ip1)) -+ return -ERANGE; -+ -+ ret =__ipportnet_add(map, *hash_ip, ip1); -+ if (ret == 0) { -+ if (!map->nets[cidr-1]++) -+ add_cidr_size(map->cidr, cidr); -+ map->elements++; -+ } -+ return ret; -+} -+ -+#undef KADT_CONDITION -+#define KADT_CONDITION \ -+ struct ip_set_ipportnethash *map = set->data; \ -+ uint8_t cidr = map->cidr[0] ? map->cidr[0] : 31; \ -+ ip_set_ip_t port, ip1; \ -+ \ -+ if (flags[index+2] == 0) \ -+ return 0; \ -+ \ -+ port = get_port(skb, flags[index+1]); \ -+ ip1 = ipaddr(skb, flags[index+2]); \ -+ \ -+ if (port == INVALID_PORT) \ -+ return 0; -+ -+UADT(ipportnethash, add, req->port, req->ip1, req->cidr) -+KADT(ipportnethash, add, ipaddr, port, ip1, cidr) -+ -+static inline void -+__ipportnethash_retry(struct ip_set_ipportnethash *tmp, -+ struct ip_set_ipportnethash *map) -+{ -+ tmp->first_ip = map->first_ip; -+ tmp->last_ip = map->last_ip; -+ memcpy(tmp->cidr, map->cidr, sizeof(tmp->cidr)); -+ memcpy(tmp->nets, map->nets, sizeof(tmp->nets)); -+} -+ -+HASH_RETRY2(ipportnethash, struct ipportip) -+ -+static inline int -+ipportnethash_del(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, -+ ip_set_ip_t ip1, uint8_t cidr) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ ip_set_ip_t id; -+ struct ipportip *elem; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ if (!ip) -+ return -ERANGE; -+ if (cidr <= 0 || cidr >= 32) -+ return -EINVAL; -+ -+ id = ipportnethash_id_cidr(set, hash_ip, ip, port, ip1, cidr); -+ -+ if (id == UINT_MAX) -+ return -EEXIST; -+ -+ elem = HARRAY_ELEM(map->members, struct ipportip *, id); -+ elem->ip = elem->ip1 = 0; -+ map->elements--; -+ if (!map->nets[cidr-1]--) -+ del_cidr_size(map->cidr, cidr); -+ -+ return 0; -+} -+ -+UADT(ipportnethash, del, req->port, req->ip1, req->cidr) -+KADT(ipportnethash, del, ipaddr, port, ip1, cidr) -+ -+static inline int -+__ipportnethash_create(const struct ip_set_req_ipportnethash_create *req, -+ struct ip_set_ipportnethash *map) -+{ -+ if (req->to - req->from > MAX_RANGE) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ req->to - req->from + 1, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ map->first_ip = req->from; -+ map->last_ip = req->to; -+ memset(map->cidr, 0, sizeof(map->cidr)); -+ memset(map->nets, 0, sizeof(map->nets)); -+ return 0; -+} -+ -+HASH_CREATE(ipportnethash, struct ipportip) -+HASH_DESTROY(ipportnethash) -+HASH_FLUSH_CIDR(ipportnethash, struct ipportip); -+ -+static inline void -+__ipportnethash_list_header(const struct ip_set_ipportnethash *map, -+ struct ip_set_req_ipportnethash_create *header) -+{ -+ header->from = map->first_ip; -+ header->to = map->last_ip; -+} -+ -+HASH_LIST_HEADER(ipportnethash) -+ -+HASH_LIST_MEMBERS_SIZE(ipportnethash, struct ipportip) -+HASH_LIST_MEMBERS_MEMCPY(ipportnethash, struct ipportip) -+ -+IP_SET_RTYPE(ipportnethash, IPSET_TYPE_IP | IPSET_TYPE_PORT -+ | IPSET_TYPE_IP1 | IPSET_DATA_TRIPLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("ipportnethash type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+REGISTER_MODULE(ipportnethash) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_iptree.c -@@ -0,0 +1,466 @@ -+/* Copyright (C) 2005-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an IP set type: the iptree type */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/slab.h> -+#include <linux/delay.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/timer.h> -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+#include <linux/netfilter_ipv4/ip_set_iptree.h> -+ -+static int limit = MAX_RANGE; -+ -+/* Garbage collection interval in seconds: */ -+#define IPTREE_GC_TIME 5*60 -+/* Sleep so many milliseconds before trying again -+ * to delete the gc timer at destroying/flushing a set */ -+#define IPTREE_DESTROY_SLEEP 100 -+ -+static __KMEM_CACHE_T__ *branch_cachep; -+static __KMEM_CACHE_T__ *leaf_cachep; -+ -+ -+#if defined(__LITTLE_ENDIAN) -+#define ABCD(a,b,c,d,addrp) do { \ -+ a = ((unsigned char *)addrp)[3]; \ -+ b = ((unsigned char *)addrp)[2]; \ -+ c = ((unsigned char *)addrp)[1]; \ -+ d = ((unsigned char *)addrp)[0]; \ -+} while (0) -+#elif defined(__BIG_ENDIAN) -+#define ABCD(a,b,c,d,addrp) do { \ -+ a = ((unsigned char *)addrp)[0]; \ -+ b = ((unsigned char *)addrp)[1]; \ -+ c = ((unsigned char *)addrp)[2]; \ -+ d = ((unsigned char *)addrp)[3]; \ -+} while (0) -+#else -+#error "Please fix asm/byteorder.h" -+#endif /* __LITTLE_ENDIAN */ -+ -+#define TESTIP_WALK(map, elem, branch) do { \ -+ if ((map)->tree[elem]) { \ -+ branch = (map)->tree[elem]; \ -+ } else \ -+ return 0; \ -+} while (0) -+ -+static inline int -+iptree_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned char a,b,c,d; -+ -+ if (!ip) -+ return -ERANGE; -+ -+ *hash_ip = ip; -+ ABCD(a, b, c, d, hash_ip); -+ DP("%u %u %u %u timeout %u", a, b, c, d, map->timeout); -+ TESTIP_WALK(map, a, btree); -+ TESTIP_WALK(btree, b, ctree); -+ TESTIP_WALK(ctree, c, dtree); -+ DP("%lu %lu", dtree->expires[d], jiffies); -+ return dtree->expires[d] -+ && (!map->timeout -+ || time_after(dtree->expires[d], jiffies)); -+} -+ -+#define KADT_CONDITION -+ -+UADT(iptree, test) -+KADT(iptree, test, ipaddr) -+ -+#define ADDIP_WALK(map, elem, branch, type, cachep) do { \ -+ if ((map)->tree[elem]) { \ -+ DP("found %u", elem); \ -+ branch = (map)->tree[elem]; \ -+ } else { \ -+ branch = (type *) \ -+ kmem_cache_alloc(cachep, GFP_ATOMIC); \ -+ if (branch == NULL) \ -+ return -ENOMEM; \ -+ memset(branch, 0, sizeof(*branch)); \ -+ (map)->tree[elem] = branch; \ -+ DP("alloc %u", elem); \ -+ } \ -+} while (0) -+ -+static inline int -+iptree_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, unsigned int timeout) -+{ -+ struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned char a,b,c,d; -+ int ret = 0; -+ -+ if (!ip || map->elements >= limit) -+ /* We could call the garbage collector -+ * but it's probably overkill */ -+ return -ERANGE; -+ -+ *hash_ip = ip; -+ ABCD(a, b, c, d, hash_ip); -+ DP("%u %u %u %u timeout %u", a, b, c, d, timeout); -+ ADDIP_WALK(map, a, btree, struct ip_set_iptreeb, branch_cachep); -+ ADDIP_WALK(btree, b, ctree, struct ip_set_iptreec, branch_cachep); -+ ADDIP_WALK(ctree, c, dtree, struct ip_set_iptreed, leaf_cachep); -+ if (dtree->expires[d] -+ && (!map->timeout || time_after(dtree->expires[d], jiffies))) -+ ret = -EEXIST; -+ if (map->timeout && timeout == 0) -+ timeout = map->timeout; -+ dtree->expires[d] = map->timeout ? (timeout * HZ + jiffies) : 1; -+ /* Lottery: I won! */ -+ if (dtree->expires[d] == 0) -+ dtree->expires[d] = 1; -+ DP("%u %lu", d, dtree->expires[d]); -+ if (ret == 0) -+ map->elements++; -+ return ret; -+} -+ -+UADT(iptree, add, req->timeout) -+KADT(iptree, add, ipaddr, 0) -+ -+#define DELIP_WALK(map, elem, branch) do { \ -+ if ((map)->tree[elem]) { \ -+ branch = (map)->tree[elem]; \ -+ } else \ -+ return -EEXIST; \ -+} while (0) -+ -+static inline int -+iptree_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned char a,b,c,d; -+ -+ if (!ip) -+ return -ERANGE; -+ -+ *hash_ip = ip; -+ ABCD(a, b, c, d, hash_ip); -+ DELIP_WALK(map, a, btree); -+ DELIP_WALK(btree, b, ctree); -+ DELIP_WALK(ctree, c, dtree); -+ -+ if (dtree->expires[d]) { -+ dtree->expires[d] = 0; -+ map->elements--; -+ return 0; -+ } -+ return -EEXIST; -+} -+ -+UADT(iptree, del) -+KADT(iptree, del, ipaddr) -+ -+#define LOOP_WALK_BEGIN(map, i, branch) \ -+ for (i = 0; i < 256; i++) { \ -+ if (!(map)->tree[i]) \ -+ continue; \ -+ branch = (map)->tree[i] -+ -+#define LOOP_WALK_END } -+ -+static void -+ip_tree_gc(unsigned long ul_set) -+{ -+ struct ip_set *set = (struct ip_set *) ul_set; -+ struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned int a,b,c,d; -+ unsigned char i,j,k; -+ -+ i = j = k = 0; -+ DP("gc: %s", set->name); -+ write_lock_bh(&set->lock); -+ LOOP_WALK_BEGIN(map, a, btree); -+ LOOP_WALK_BEGIN(btree, b, ctree); -+ LOOP_WALK_BEGIN(ctree, c, dtree); -+ for (d = 0; d < 256; d++) { -+ if (dtree->expires[d]) { -+ DP("gc: %u %u %u %u: expires %lu jiffies %lu", -+ a, b, c, d, -+ dtree->expires[d], jiffies); -+ if (map->timeout -+ && time_before(dtree->expires[d], jiffies)) { -+ dtree->expires[d] = 0; -+ map->elements--; -+ } else -+ k = 1; -+ } -+ } -+ if (k == 0) { -+ DP("gc: %s: leaf %u %u %u empty", -+ set->name, a, b, c); -+ kmem_cache_free(leaf_cachep, dtree); -+ ctree->tree[c] = NULL; -+ } else { -+ DP("gc: %s: leaf %u %u %u not empty", -+ set->name, a, b, c); -+ j = 1; -+ k = 0; -+ } -+ LOOP_WALK_END; -+ if (j == 0) { -+ DP("gc: %s: branch %u %u empty", -+ set->name, a, b); -+ kmem_cache_free(branch_cachep, ctree); -+ btree->tree[b] = NULL; -+ } else { -+ DP("gc: %s: branch %u %u not empty", -+ set->name, a, b); -+ i = 1; -+ j = k = 0; -+ } -+ LOOP_WALK_END; -+ if (i == 0) { -+ DP("gc: %s: branch %u empty", -+ set->name, a); -+ kmem_cache_free(branch_cachep, btree); -+ map->tree[a] = NULL; -+ } else { -+ DP("gc: %s: branch %u not empty", -+ set->name, a); -+ i = j = k = 0; -+ } -+ LOOP_WALK_END; -+ write_unlock_bh(&set->lock); -+ -+ map->gc.expires = jiffies + map->gc_interval * HZ; -+ add_timer(&map->gc); -+} -+ -+static inline void -+init_gc_timer(struct ip_set *set) -+{ -+ struct ip_set_iptree *map = set->data; -+ -+ /* Even if there is no timeout for the entries, -+ * we still have to call gc because delete -+ * do not clean up empty branches */ -+ map->gc_interval = IPTREE_GC_TIME; -+ init_timer(&map->gc); -+ map->gc.data = (unsigned long) set; -+ map->gc.function = ip_tree_gc; -+ map->gc.expires = jiffies + map->gc_interval * HZ; -+ add_timer(&map->gc); -+} -+ -+static int -+iptree_create(struct ip_set *set, const void *data, u_int32_t size) -+{ -+ const struct ip_set_req_iptree_create *req = data; -+ struct ip_set_iptree *map; -+ -+ if (size != sizeof(struct ip_set_req_iptree_create)) { -+ ip_set_printk("data length wrong (want %zu, have %lu)", -+ sizeof(struct ip_set_req_iptree_create), -+ (unsigned long)size); -+ return -EINVAL; -+ } -+ -+ map = kmalloc(sizeof(struct ip_set_iptree), GFP_KERNEL); -+ if (!map) { -+ DP("out of memory for %zu bytes", -+ sizeof(struct ip_set_iptree)); -+ return -ENOMEM; -+ } -+ memset(map, 0, sizeof(*map)); -+ map->timeout = req->timeout; -+ map->elements = 0; -+ set->data = map; -+ -+ init_gc_timer(set); -+ -+ return 0; -+} -+ -+static inline void -+__flush(struct ip_set_iptree *map) -+{ -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned int a,b,c; -+ -+ LOOP_WALK_BEGIN(map, a, btree); -+ LOOP_WALK_BEGIN(btree, b, ctree); -+ LOOP_WALK_BEGIN(ctree, c, dtree); -+ kmem_cache_free(leaf_cachep, dtree); -+ LOOP_WALK_END; -+ kmem_cache_free(branch_cachep, ctree); -+ LOOP_WALK_END; -+ kmem_cache_free(branch_cachep, btree); -+ LOOP_WALK_END; -+ map->elements = 0; -+} -+ -+static void -+iptree_destroy(struct ip_set *set) -+{ -+ struct ip_set_iptree *map = set->data; -+ -+ /* gc might be running */ -+ while (!del_timer(&map->gc)) -+ msleep(IPTREE_DESTROY_SLEEP); -+ __flush(map); -+ kfree(map); -+ set->data = NULL; -+} -+ -+static void -+iptree_flush(struct ip_set *set) -+{ -+ struct ip_set_iptree *map = set->data; -+ unsigned int timeout = map->timeout; -+ -+ /* gc might be running */ -+ while (!del_timer(&map->gc)) -+ msleep(IPTREE_DESTROY_SLEEP); -+ __flush(map); -+ memset(map, 0, sizeof(*map)); -+ map->timeout = timeout; -+ -+ init_gc_timer(set); -+} -+ -+static void -+iptree_list_header(const struct ip_set *set, void *data) -+{ -+ const struct ip_set_iptree *map = set->data; -+ struct ip_set_req_iptree_create *header = data; -+ -+ header->timeout = map->timeout; -+} -+ -+static int -+iptree_list_members_size(const struct ip_set *set) -+{ -+ const struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned int a,b,c,d; -+ unsigned int count = 0; -+ -+ LOOP_WALK_BEGIN(map, a, btree); -+ LOOP_WALK_BEGIN(btree, b, ctree); -+ LOOP_WALK_BEGIN(ctree, c, dtree); -+ for (d = 0; d < 256; d++) { -+ if (dtree->expires[d] -+ && (!map->timeout || time_after(dtree->expires[d], jiffies))) -+ count++; -+ } -+ LOOP_WALK_END; -+ LOOP_WALK_END; -+ LOOP_WALK_END; -+ -+ DP("members %u", count); -+ return (count * sizeof(struct ip_set_req_iptree)); -+} -+ -+static void -+iptree_list_members(const struct ip_set *set, void *data) -+{ -+ const struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned int a,b,c,d; -+ size_t offset = 0; -+ struct ip_set_req_iptree *entry; -+ -+ LOOP_WALK_BEGIN(map, a, btree); -+ LOOP_WALK_BEGIN(btree, b, ctree); -+ LOOP_WALK_BEGIN(ctree, c, dtree); -+ for (d = 0; d < 256; d++) { -+ if (dtree->expires[d] -+ && (!map->timeout || time_after(dtree->expires[d], jiffies))) { -+ entry = data + offset; -+ entry->ip = ((a << 24) | (b << 16) | (c << 8) | d); -+ entry->timeout = !map->timeout ? 0 -+ : (dtree->expires[d] - jiffies)/HZ; -+ offset += sizeof(struct ip_set_req_iptree); -+ } -+ } -+ LOOP_WALK_END; -+ LOOP_WALK_END; -+ LOOP_WALK_END; -+} -+ -+IP_SET_TYPE(iptree, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("iptree type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+static int __init ip_set_iptree_init(void) -+{ -+ int ret; -+ -+ branch_cachep = KMEM_CACHE_CREATE("ip_set_iptreeb", -+ sizeof(struct ip_set_iptreeb)); -+ if (!branch_cachep) { -+ printk(KERN_ERR "Unable to create ip_set_iptreeb slab cache\n"); -+ ret = -ENOMEM; -+ goto out; -+ } -+ leaf_cachep = KMEM_CACHE_CREATE("ip_set_iptreed", -+ sizeof(struct ip_set_iptreed)); -+ if (!leaf_cachep) { -+ printk(KERN_ERR "Unable to create ip_set_iptreed slab cache\n"); -+ ret = -ENOMEM; -+ goto free_branch; -+ } -+ ret = ip_set_register_set_type(&ip_set_iptree); -+ if (ret == 0) -+ goto out; -+ -+ kmem_cache_destroy(leaf_cachep); -+ free_branch: -+ kmem_cache_destroy(branch_cachep); -+ out: -+ return ret; -+} -+ -+static void __exit ip_set_iptree_fini(void) -+{ -+ /* FIXME: possible race with ip_set_create() */ -+ ip_set_unregister_set_type(&ip_set_iptree); -+ kmem_cache_destroy(leaf_cachep); -+ kmem_cache_destroy(branch_cachep); -+} -+ -+module_init(ip_set_iptree_init); -+module_exit(ip_set_iptree_fini); ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_iptreemap.c -@@ -0,0 +1,708 @@ -+/* Copyright (C) 2007 Sven Wegener <sven.wegener@stealer.net> -+ * -+ * This program is free software; you can redistribute it and/or modify it -+ * under the terms of the GNU General Public License version 2 as published by -+ * the Free Software Foundation. -+ */ -+ -+/* This modules implements the iptreemap ipset type. It uses bitmaps to -+ * represent every single IPv4 address as a bit. The bitmaps are managed in a -+ * tree structure, where the first three octets of an address are used as an -+ * index to find the bitmap and the last octet is used as the bit number. -+ */ -+ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/slab.h> -+#include <linux/delay.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/timer.h> -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+#include <linux/netfilter_ipv4/ip_set_iptreemap.h> -+ -+#define IPTREEMAP_DEFAULT_GC_TIME (5 * 60) -+#define IPTREEMAP_DESTROY_SLEEP (100) -+ -+static __KMEM_CACHE_T__ *cachep_b; -+static __KMEM_CACHE_T__ *cachep_c; -+static __KMEM_CACHE_T__ *cachep_d; -+ -+static struct ip_set_iptreemap_d *fullbitmap_d; -+static struct ip_set_iptreemap_c *fullbitmap_c; -+static struct ip_set_iptreemap_b *fullbitmap_b; -+ -+#if defined(__LITTLE_ENDIAN) -+#define ABCD(a, b, c, d, addr) \ -+ do { \ -+ a = ((unsigned char *)addr)[3]; \ -+ b = ((unsigned char *)addr)[2]; \ -+ c = ((unsigned char *)addr)[1]; \ -+ d = ((unsigned char *)addr)[0]; \ -+ } while (0) -+#elif defined(__BIG_ENDIAN) -+#define ABCD(a,b,c,d,addrp) do { \ -+ a = ((unsigned char *)addrp)[0]; \ -+ b = ((unsigned char *)addrp)[1]; \ -+ c = ((unsigned char *)addrp)[2]; \ -+ d = ((unsigned char *)addrp)[3]; \ -+} while (0) -+#else -+#error "Please fix asm/byteorder.h" -+#endif /* __LITTLE_ENDIAN */ -+ -+#define TESTIP_WALK(map, elem, branch, full) \ -+ do { \ -+ branch = (map)->tree[elem]; \ -+ if (!branch) \ -+ return 0; \ -+ else if (branch == full) \ -+ return 1; \ -+ } while (0) -+ -+#define ADDIP_WALK(map, elem, branch, type, cachep, full) \ -+ do { \ -+ branch = (map)->tree[elem]; \ -+ if (!branch) { \ -+ branch = (type *) kmem_cache_alloc(cachep, GFP_ATOMIC); \ -+ if (!branch) \ -+ return -ENOMEM; \ -+ memset(branch, 0, sizeof(*branch)); \ -+ (map)->tree[elem] = branch; \ -+ } else if (branch == full) { \ -+ return -EEXIST; \ -+ } \ -+ } while (0) -+ -+#define ADDIP_RANGE_LOOP(map, a, a1, a2, hint, branch, full, cachep, free) \ -+ for (a = a1; a <= a2; a++) { \ -+ branch = (map)->tree[a]; \ -+ if (branch != full) { \ -+ if ((a > a1 && a < a2) || (hint)) { \ -+ if (branch) \ -+ free(branch); \ -+ (map)->tree[a] = full; \ -+ continue; \ -+ } else if (!branch) { \ -+ branch = kmem_cache_alloc(cachep, GFP_ATOMIC); \ -+ if (!branch) \ -+ return -ENOMEM; \ -+ memset(branch, 0, sizeof(*branch)); \ -+ (map)->tree[a] = branch; \ -+ } -+ -+#define ADDIP_RANGE_LOOP_END() \ -+ } \ -+ } -+ -+#define DELIP_WALK(map, elem, branch, cachep, full, flags) \ -+ do { \ -+ branch = (map)->tree[elem]; \ -+ if (!branch) { \ -+ return -EEXIST; \ -+ } else if (branch == full) { \ -+ branch = kmem_cache_alloc(cachep, flags); \ -+ if (!branch) \ -+ return -ENOMEM; \ -+ memcpy(branch, full, sizeof(*full)); \ -+ (map)->tree[elem] = branch; \ -+ } \ -+ } while (0) -+ -+#define DELIP_RANGE_LOOP(map, a, a1, a2, hint, branch, full, cachep, free, flags) \ -+ for (a = a1; a <= a2; a++) { \ -+ branch = (map)->tree[a]; \ -+ if (branch) { \ -+ if ((a > a1 && a < a2) || (hint)) { \ -+ if (branch != full) \ -+ free(branch); \ -+ (map)->tree[a] = NULL; \ -+ continue; \ -+ } else if (branch == full) { \ -+ branch = kmem_cache_alloc(cachep, flags); \ -+ if (!branch) \ -+ return -ENOMEM; \ -+ memcpy(branch, full, sizeof(*branch)); \ -+ (map)->tree[a] = branch; \ -+ } -+ -+#define DELIP_RANGE_LOOP_END() \ -+ } \ -+ } -+ -+#define LOOP_WALK_BEGIN(map, i, branch) \ -+ for (i = 0; i < 256; i++) { \ -+ branch = (map)->tree[i]; \ -+ if (likely(!branch)) \ -+ continue; -+ -+#define LOOP_WALK_END() \ -+ } -+ -+#define LOOP_WALK_BEGIN_GC(map, i, branch, full, cachep, count) \ -+ count = -256; \ -+ for (i = 0; i < 256; i++) { \ -+ branch = (map)->tree[i]; \ -+ if (likely(!branch)) \ -+ continue; \ -+ count++; \ -+ if (branch == full) { \ -+ count++; \ -+ continue; \ -+ } -+ -+#define LOOP_WALK_END_GC(map, i, branch, full, cachep, count) \ -+ if (-256 == count) { \ -+ kmem_cache_free(cachep, branch); \ -+ (map)->tree[i] = NULL; \ -+ } else if (256 == count) { \ -+ kmem_cache_free(cachep, branch); \ -+ (map)->tree[i] = full; \ -+ } \ -+ } -+ -+#define LOOP_WALK_BEGIN_COUNT(map, i, branch, inrange, count) \ -+ for (i = 0; i < 256; i++) { \ -+ if (!(map)->tree[i]) { \ -+ if (inrange) { \ -+ count++; \ -+ inrange = 0; \ -+ } \ -+ continue; \ -+ } \ -+ branch = (map)->tree[i]; -+ -+#define LOOP_WALK_END_COUNT() \ -+ } -+ -+#define GETVALUE1(a, a1, b1, r) \ -+ (a == a1 ? b1 : r) -+ -+#define GETVALUE2(a, b, a1, b1, c1, r) \ -+ (a == a1 && b == b1 ? c1 : r) -+ -+#define GETVALUE3(a, b, c, a1, b1, c1, d1, r) \ -+ (a == a1 && b == b1 && c == c1 ? d1 : r) -+ -+#define CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2) \ -+ ( \ -+ GETVALUE1(a, a1, b1, 0) == 0 \ -+ && GETVALUE1(a, a2, b2, 255) == 255 \ -+ && c1 == 0 \ -+ && c2 == 255 \ -+ && d1 == 0 \ -+ && d2 == 255 \ -+ ) -+ -+#define CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2) \ -+ ( \ -+ GETVALUE2(a, b, a1, b1, c1, 0) == 0 \ -+ && GETVALUE2(a, b, a2, b2, c2, 255) == 255 \ -+ && d1 == 0 \ -+ && d2 == 255 \ -+ ) -+ -+#define CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2) \ -+ ( \ -+ GETVALUE3(a, b, c, a1, b1, c1, d1, 0) == 0 \ -+ && GETVALUE3(a, b, c, a2, b2, c2, d2, 255) == 255 \ -+ ) -+ -+ -+static inline void -+free_d(struct ip_set_iptreemap_d *map) -+{ -+ kmem_cache_free(cachep_d, map); -+} -+ -+static inline void -+free_c(struct ip_set_iptreemap_c *map) -+{ -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int i; -+ -+ LOOP_WALK_BEGIN(map, i, dtree) { -+ if (dtree != fullbitmap_d) -+ free_d(dtree); -+ } LOOP_WALK_END(); -+ -+ kmem_cache_free(cachep_c, map); -+} -+ -+static inline void -+free_b(struct ip_set_iptreemap_b *map) -+{ -+ struct ip_set_iptreemap_c *ctree; -+ unsigned int i; -+ -+ LOOP_WALK_BEGIN(map, i, ctree) { -+ if (ctree != fullbitmap_c) -+ free_c(ctree); -+ } LOOP_WALK_END(); -+ -+ kmem_cache_free(cachep_b, map); -+} -+ -+static inline int -+iptreemap_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned char a, b, c, d; -+ -+ *hash_ip = ip; -+ -+ ABCD(a, b, c, d, hash_ip); -+ -+ TESTIP_WALK(map, a, btree, fullbitmap_b); -+ TESTIP_WALK(btree, b, ctree, fullbitmap_c); -+ TESTIP_WALK(ctree, c, dtree, fullbitmap_d); -+ -+ return !!test_bit(d, (void *) dtree->bitmap); -+} -+ -+#define KADT_CONDITION -+ -+UADT(iptreemap, test) -+KADT(iptreemap, test, ipaddr) -+ -+static inline int -+__addip_single(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iptreemap *map = (struct ip_set_iptreemap *) set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned char a, b, c, d; -+ -+ *hash_ip = ip; -+ -+ ABCD(a, b, c, d, hash_ip); -+ -+ ADDIP_WALK(map, a, btree, struct ip_set_iptreemap_b, cachep_b, fullbitmap_b); -+ ADDIP_WALK(btree, b, ctree, struct ip_set_iptreemap_c, cachep_c, fullbitmap_c); -+ ADDIP_WALK(ctree, c, dtree, struct ip_set_iptreemap_d, cachep_d, fullbitmap_d); -+ -+ if (__test_and_set_bit(d, (void *) dtree->bitmap)) -+ return -EEXIST; -+ -+ __set_bit(b, (void *) btree->dirty); -+ -+ return 0; -+} -+ -+static inline int -+iptreemap_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t start, ip_set_ip_t end) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int a, b, c, d; -+ unsigned char a1, b1, c1, d1; -+ unsigned char a2, b2, c2, d2; -+ -+ if (start == end) -+ return __addip_single(set, hash_ip, start); -+ -+ *hash_ip = start; -+ -+ ABCD(a1, b1, c1, d1, &start); -+ ABCD(a2, b2, c2, d2, &end); -+ -+ /* This is sooo ugly... */ -+ ADDIP_RANGE_LOOP(map, a, a1, a2, CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2), btree, fullbitmap_b, cachep_b, free_b) { -+ ADDIP_RANGE_LOOP(btree, b, GETVALUE1(a, a1, b1, 0), GETVALUE1(a, a2, b2, 255), CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2), ctree, fullbitmap_c, cachep_c, free_c) { -+ ADDIP_RANGE_LOOP(ctree, c, GETVALUE2(a, b, a1, b1, c1, 0), GETVALUE2(a, b, a2, b2, c2, 255), CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2), dtree, fullbitmap_d, cachep_d, free_d) { -+ for (d = GETVALUE3(a, b, c, a1, b1, c1, d1, 0); d <= GETVALUE3(a, b, c, a2, b2, c2, d2, 255); d++) -+ __set_bit(d, (void *) dtree->bitmap); -+ __set_bit(b, (void *) btree->dirty); -+ } ADDIP_RANGE_LOOP_END(); -+ } ADDIP_RANGE_LOOP_END(); -+ } ADDIP_RANGE_LOOP_END(); -+ -+ return 0; -+} -+ -+UADT0(iptreemap, add, min(req->ip, req->end), max(req->ip, req->end)) -+KADT(iptreemap, add, ipaddr, ip) -+ -+static inline int -+__delip_single(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, gfp_t flags) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned char a,b,c,d; -+ -+ *hash_ip = ip; -+ -+ ABCD(a, b, c, d, hash_ip); -+ -+ DELIP_WALK(map, a, btree, cachep_b, fullbitmap_b, flags); -+ DELIP_WALK(btree, b, ctree, cachep_c, fullbitmap_c, flags); -+ DELIP_WALK(ctree, c, dtree, cachep_d, fullbitmap_d, flags); -+ -+ if (!__test_and_clear_bit(d, (void *) dtree->bitmap)) -+ return -EEXIST; -+ -+ __set_bit(b, (void *) btree->dirty); -+ -+ return 0; -+} -+ -+static inline int -+iptreemap_del(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t start, ip_set_ip_t end, gfp_t flags) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int a, b, c, d; -+ unsigned char a1, b1, c1, d1; -+ unsigned char a2, b2, c2, d2; -+ -+ if (start == end) -+ return __delip_single(set, hash_ip, start, flags); -+ -+ *hash_ip = start; -+ -+ ABCD(a1, b1, c1, d1, &start); -+ ABCD(a2, b2, c2, d2, &end); -+ -+ /* This is sooo ugly... */ -+ DELIP_RANGE_LOOP(map, a, a1, a2, CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2), btree, fullbitmap_b, cachep_b, free_b, flags) { -+ DELIP_RANGE_LOOP(btree, b, GETVALUE1(a, a1, b1, 0), GETVALUE1(a, a2, b2, 255), CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2), ctree, fullbitmap_c, cachep_c, free_c, flags) { -+ DELIP_RANGE_LOOP(ctree, c, GETVALUE2(a, b, a1, b1, c1, 0), GETVALUE2(a, b, a2, b2, c2, 255), CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2), dtree, fullbitmap_d, cachep_d, free_d, flags) { -+ for (d = GETVALUE3(a, b, c, a1, b1, c1, d1, 0); d <= GETVALUE3(a, b, c, a2, b2, c2, d2, 255); d++) -+ __clear_bit(d, (void *) dtree->bitmap); -+ __set_bit(b, (void *) btree->dirty); -+ } DELIP_RANGE_LOOP_END(); -+ } DELIP_RANGE_LOOP_END(); -+ } DELIP_RANGE_LOOP_END(); -+ -+ return 0; -+} -+ -+UADT0(iptreemap, del, min(req->ip, req->end), max(req->ip, req->end), GFP_KERNEL) -+KADT(iptreemap, del, ipaddr, ip, GFP_ATOMIC) -+ -+/* Check the status of the bitmap -+ * -1 == all bits cleared -+ * 1 == all bits set -+ * 0 == anything else -+ */ -+static inline int -+bitmap_status(struct ip_set_iptreemap_d *dtree) -+{ -+ unsigned char first = dtree->bitmap[0]; -+ int a; -+ -+ for (a = 1; a < 32; a++) -+ if (dtree->bitmap[a] != first) -+ return 0; -+ -+ return (first == 0 ? -1 : (first == 255 ? 1 : 0)); -+} -+ -+static void -+gc(unsigned long addr) -+{ -+ struct ip_set *set = (struct ip_set *) addr; -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int a, b, c; -+ int i, j, k; -+ -+ write_lock_bh(&set->lock); -+ -+ LOOP_WALK_BEGIN_GC(map, a, btree, fullbitmap_b, cachep_b, i) { -+ LOOP_WALK_BEGIN_GC(btree, b, ctree, fullbitmap_c, cachep_c, j) { -+ if (!__test_and_clear_bit(b, (void *) btree->dirty)) -+ continue; -+ LOOP_WALK_BEGIN_GC(ctree, c, dtree, fullbitmap_d, cachep_d, k) { -+ switch (bitmap_status(dtree)) { -+ case -1: -+ kmem_cache_free(cachep_d, dtree); -+ ctree->tree[c] = NULL; -+ k--; -+ break; -+ case 1: -+ kmem_cache_free(cachep_d, dtree); -+ ctree->tree[c] = fullbitmap_d; -+ k++; -+ break; -+ } -+ } LOOP_WALK_END(); -+ } LOOP_WALK_END_GC(btree, b, ctree, fullbitmap_c, cachep_c, k); -+ } LOOP_WALK_END_GC(map, a, btree, fullbitmap_b, cachep_b, j); -+ -+ write_unlock_bh(&set->lock); -+ -+ map->gc.expires = jiffies + map->gc_interval * HZ; -+ add_timer(&map->gc); -+} -+ -+static inline void -+init_gc_timer(struct ip_set *set) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ -+ init_timer(&map->gc); -+ map->gc.data = (unsigned long) set; -+ map->gc.function = gc; -+ map->gc.expires = jiffies + map->gc_interval * HZ; -+ add_timer(&map->gc); -+} -+ -+static int -+iptreemap_create(struct ip_set *set, const void *data, u_int32_t size) -+{ -+ const struct ip_set_req_iptreemap_create *req = data; -+ struct ip_set_iptreemap *map; -+ -+ map = kzalloc(sizeof(*map), GFP_KERNEL); -+ if (!map) -+ return -ENOMEM; -+ -+ map->gc_interval = req->gc_interval ? req->gc_interval : IPTREEMAP_DEFAULT_GC_TIME; -+ set->data = map; -+ -+ init_gc_timer(set); -+ -+ return 0; -+} -+ -+static inline void -+__flush(struct ip_set_iptreemap *map) -+{ -+ struct ip_set_iptreemap_b *btree; -+ unsigned int a; -+ -+ LOOP_WALK_BEGIN(map, a, btree); -+ if (btree != fullbitmap_b) -+ free_b(btree); -+ LOOP_WALK_END(); -+} -+ -+static void -+iptreemap_destroy(struct ip_set *set) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ -+ while (!del_timer(&map->gc)) -+ msleep(IPTREEMAP_DESTROY_SLEEP); -+ -+ __flush(map); -+ kfree(map); -+ -+ set->data = NULL; -+} -+ -+static void -+iptreemap_flush(struct ip_set *set) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ -+ while (!del_timer(&map->gc)) -+ msleep(IPTREEMAP_DESTROY_SLEEP); -+ -+ __flush(map); -+ -+ memset(map, 0, sizeof(*map)); -+ -+ init_gc_timer(set); -+} -+ -+static void -+iptreemap_list_header(const struct ip_set *set, void *data) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_req_iptreemap_create *header = data; -+ -+ header->gc_interval = map->gc_interval; -+} -+ -+static int -+iptreemap_list_members_size(const struct ip_set *set) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int a, b, c, d, inrange = 0, count = 0; -+ -+ LOOP_WALK_BEGIN_COUNT(map, a, btree, inrange, count) { -+ LOOP_WALK_BEGIN_COUNT(btree, b, ctree, inrange, count) { -+ LOOP_WALK_BEGIN_COUNT(ctree, c, dtree, inrange, count) { -+ for (d = 0; d < 256; d++) { -+ if (test_bit(d, (void *) dtree->bitmap)) { -+ inrange = 1; -+ } else if (inrange) { -+ count++; -+ inrange = 0; -+ } -+ } -+ } LOOP_WALK_END_COUNT(); -+ } LOOP_WALK_END_COUNT(); -+ } LOOP_WALK_END_COUNT(); -+ -+ if (inrange) -+ count++; -+ -+ return (count * sizeof(struct ip_set_req_iptreemap)); -+} -+ -+static inline u_int32_t -+add_member(void *data, size_t offset, ip_set_ip_t start, ip_set_ip_t end) -+{ -+ struct ip_set_req_iptreemap *entry = data + offset; -+ -+ entry->ip = start; -+ entry->end = end; -+ -+ return sizeof(*entry); -+} -+ -+static void -+iptreemap_list_members(const struct ip_set *set, void *data) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int a, b, c, d, inrange = 0; -+ size_t offset = 0; -+ ip_set_ip_t start = 0, end = 0, ip; -+ -+ LOOP_WALK_BEGIN(map, a, btree) { -+ LOOP_WALK_BEGIN(btree, b, ctree) { -+ LOOP_WALK_BEGIN(ctree, c, dtree) { -+ for (d = 0; d < 256; d++) { -+ if (test_bit(d, (void *) dtree->bitmap)) { -+ ip = ((a << 24) | (b << 16) | (c << 8) | d); -+ if (!inrange) { -+ inrange = 1; -+ start = ip; -+ } else if (end < ip - 1) { -+ offset += add_member(data, offset, start, end); -+ start = ip; -+ } -+ end = ip; -+ } else if (inrange) { -+ offset += add_member(data, offset, start, end); -+ inrange = 0; -+ } -+ } -+ } LOOP_WALK_END(); -+ } LOOP_WALK_END(); -+ } LOOP_WALK_END(); -+ -+ if (inrange) -+ add_member(data, offset, start, end); -+} -+ -+IP_SET_TYPE(iptreemap, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Sven Wegener <sven.wegener@stealer.net>"); -+MODULE_DESCRIPTION("iptreemap type of IP sets"); -+ -+static int __init ip_set_iptreemap_init(void) -+{ -+ int ret = -ENOMEM; -+ int a; -+ -+ cachep_b = KMEM_CACHE_CREATE("ip_set_iptreemap_b", -+ sizeof(struct ip_set_iptreemap_b)); -+ if (!cachep_b) { -+ ip_set_printk("Unable to create ip_set_iptreemap_b slab cache"); -+ goto out; -+ } -+ -+ cachep_c = KMEM_CACHE_CREATE("ip_set_iptreemap_c", -+ sizeof(struct ip_set_iptreemap_c)); -+ if (!cachep_c) { -+ ip_set_printk("Unable to create ip_set_iptreemap_c slab cache"); -+ goto outb; -+ } -+ -+ cachep_d = KMEM_CACHE_CREATE("ip_set_iptreemap_d", -+ sizeof(struct ip_set_iptreemap_d)); -+ if (!cachep_d) { -+ ip_set_printk("Unable to create ip_set_iptreemap_d slab cache"); -+ goto outc; -+ } -+ -+ fullbitmap_d = kmem_cache_alloc(cachep_d, GFP_KERNEL); -+ if (!fullbitmap_d) -+ goto outd; -+ -+ fullbitmap_c = kmem_cache_alloc(cachep_c, GFP_KERNEL); -+ if (!fullbitmap_c) -+ goto outbitmapd; -+ -+ fullbitmap_b = kmem_cache_alloc(cachep_b, GFP_KERNEL); -+ if (!fullbitmap_b) -+ goto outbitmapc; -+ -+ ret = ip_set_register_set_type(&ip_set_iptreemap); -+ if (0 > ret) -+ goto outbitmapb; -+ -+ /* Now init our global bitmaps */ -+ memset(fullbitmap_d->bitmap, 0xff, sizeof(fullbitmap_d->bitmap)); -+ -+ for (a = 0; a < 256; a++) -+ fullbitmap_c->tree[a] = fullbitmap_d; -+ -+ for (a = 0; a < 256; a++) -+ fullbitmap_b->tree[a] = fullbitmap_c; -+ memset(fullbitmap_b->dirty, 0, sizeof(fullbitmap_b->dirty)); -+ -+ return 0; -+ -+outbitmapb: -+ kmem_cache_free(cachep_b, fullbitmap_b); -+outbitmapc: -+ kmem_cache_free(cachep_c, fullbitmap_c); -+outbitmapd: -+ kmem_cache_free(cachep_d, fullbitmap_d); -+outd: -+ kmem_cache_destroy(cachep_d); -+outc: -+ kmem_cache_destroy(cachep_c); -+outb: -+ kmem_cache_destroy(cachep_b); -+out: -+ -+ return ret; -+} -+ -+static void __exit ip_set_iptreemap_fini(void) -+{ -+ ip_set_unregister_set_type(&ip_set_iptreemap); -+ kmem_cache_free(cachep_d, fullbitmap_d); -+ kmem_cache_free(cachep_c, fullbitmap_c); -+ kmem_cache_free(cachep_b, fullbitmap_b); -+ kmem_cache_destroy(cachep_d); -+ kmem_cache_destroy(cachep_c); -+ kmem_cache_destroy(cachep_b); -+} -+ -+module_init(ip_set_iptreemap_init); -+module_exit(ip_set_iptreemap_fini); ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_macipmap.c -@@ -0,0 +1,164 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Martin Josefsson <gandalf@wlug.westbo.se> -+ * Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an IP set type: the macipmap type */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/if_ether.h> -+ -+#include <linux/netfilter_ipv4/ip_set_macipmap.h> -+ -+static int -+macipmap_utest(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ const struct ip_set_macipmap *map = set->data; -+ const struct ip_set_macip *table = map->members; -+ const struct ip_set_req_macipmap *req = data; -+ -+ if (req->ip < map->first_ip || req->ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = req->ip; -+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(req->ip), HIPQUAD(*hash_ip)); -+ if (table[req->ip - map->first_ip].match) { -+ return (memcmp(req->ethernet, -+ &table[req->ip - map->first_ip].ethernet, -+ ETH_ALEN) == 0); -+ } else { -+ return (map->flags & IPSET_MACIP_MATCHUNSET ? 1 : 0); -+ } -+} -+ -+static int -+macipmap_ktest(struct ip_set *set, -+ const struct sk_buff *skb, -+ ip_set_ip_t *hash_ip, -+ const u_int32_t *flags, -+ unsigned char index) -+{ -+ const struct ip_set_macipmap *map = set->data; -+ const struct ip_set_macip *table = map->members; -+ ip_set_ip_t ip; -+ -+ ip = ipaddr(skb, flags[index]); -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return 0; -+ -+ *hash_ip = ip; -+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ if (table[ip - map->first_ip].match) { -+ /* Is mac pointer valid? -+ * If so, compare... */ -+ return (skb_mac_header(skb) >= skb->head -+ && (skb_mac_header(skb) + ETH_HLEN) <= skb->data -+ && (memcmp(eth_hdr(skb)->h_source, -+ &table[ip - map->first_ip].ethernet, -+ ETH_ALEN) == 0)); -+ } else { -+ return (map->flags & IPSET_MACIP_MATCHUNSET ? 1 : 0); -+ } -+} -+ -+/* returns 0 on success */ -+static inline int -+macipmap_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, const unsigned char *ethernet) -+{ -+ struct ip_set_macipmap *map = set->data; -+ struct ip_set_macip *table = map->members; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ if (table[ip - map->first_ip].match) -+ return -EEXIST; -+ -+ *hash_ip = ip; -+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ memcpy(&table[ip - map->first_ip].ethernet, ethernet, ETH_ALEN); -+ table[ip - map->first_ip].match = IPSET_MACIP_ISSET; -+ return 0; -+} -+ -+#define KADT_CONDITION \ -+ if (!(skb_mac_header(skb) >= skb->head \ -+ && (skb_mac_header(skb) + ETH_HLEN) <= skb->data))\ -+ return -EINVAL; -+ -+UADT(macipmap, add, req->ethernet) -+KADT(macipmap, add, ipaddr, eth_hdr(skb)->h_source) -+ -+static inline int -+macipmap_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_macipmap *map = set->data; -+ struct ip_set_macip *table = map->members; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ if (!table[ip - map->first_ip].match) -+ return -EEXIST; -+ -+ *hash_ip = ip; -+ table[ip - map->first_ip].match = 0; -+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ return 0; -+} -+ -+#undef KADT_CONDITION -+#define KADT_CONDITION -+ -+UADT(macipmap, del) -+KADT(macipmap, del, ipaddr) -+ -+static inline int -+__macipmap_create(const struct ip_set_req_macipmap_create *req, -+ struct ip_set_macipmap *map) -+{ -+ if (req->to - req->from > MAX_RANGE) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ req->to - req->from + 1, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ map->flags = req->flags; -+ return (req->to - req->from + 1) * sizeof(struct ip_set_macip); -+} -+ -+BITMAP_CREATE(macipmap) -+BITMAP_DESTROY(macipmap) -+BITMAP_FLUSH(macipmap) -+ -+static inline void -+__macipmap_list_header(const struct ip_set_macipmap *map, -+ struct ip_set_req_macipmap_create *header) -+{ -+ header->flags = map->flags; -+} -+ -+BITMAP_LIST_HEADER(macipmap) -+BITMAP_LIST_MEMBERS_SIZE(macipmap) -+BITMAP_LIST_MEMBERS(macipmap) -+ -+IP_SET_TYPE(macipmap, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("macipmap type of IP sets"); -+ -+REGISTER_MODULE(macipmap) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_nethash.c -@@ -0,0 +1,225 @@ -+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing a cidr nethash set */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/random.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_nethash.h> -+ -+static int limit = MAX_RANGE; -+ -+static inline __u32 -+nethash_id_cidr(const struct ip_set_nethash *map, -+ ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, -+ uint8_t cidr) -+{ -+ __u32 id; -+ u_int16_t i; -+ ip_set_ip_t *elem; -+ -+ *hash_ip = pack_ip_cidr(ip, cidr); -+ if (!*hash_ip) -+ return MAX_RANGE; -+ -+ for (i = 0; i < map->probes; i++) { -+ id = jhash_ip(map, i, *hash_ip) % map->hashsize; -+ DP("hash key: %u", id); -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ if (*elem == *hash_ip) -+ return id; -+ /* No shortcut - there can be deleted entries. */ -+ } -+ return UINT_MAX; -+} -+ -+static inline __u32 -+nethash_id(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ const struct ip_set_nethash *map = set->data; -+ __u32 id = UINT_MAX; -+ int i; -+ -+ for (i = 0; i < 30 && map->cidr[i]; i++) { -+ id = nethash_id_cidr(map, hash_ip, ip, map->cidr[i]); -+ if (id != UINT_MAX) -+ break; -+ } -+ return id; -+} -+ -+static inline int -+nethash_test_cidr(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, uint8_t cidr) -+{ -+ const struct ip_set_nethash *map = set->data; -+ -+ return (nethash_id_cidr(map, hash_ip, ip, cidr) != UINT_MAX); -+} -+ -+static inline int -+nethash_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ return (nethash_id(set, hash_ip, ip) != UINT_MAX); -+} -+ -+static int -+nethash_utest(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ const struct ip_set_req_nethash *req = data; -+ -+ if (req->cidr <= 0 || req->cidr > 32) -+ return -EINVAL; -+ return (req->cidr == 32 ? nethash_test(set, hash_ip, req->ip) -+ : nethash_test_cidr(set, hash_ip, req->ip, req->cidr)); -+} -+ -+#define KADT_CONDITION -+ -+KADT(nethash, test, ipaddr) -+ -+static inline int -+__nethash_add(struct ip_set_nethash *map, ip_set_ip_t *ip) -+{ -+ __u32 probe; -+ u_int16_t i; -+ ip_set_ip_t *elem, *slot = NULL; -+ -+ for (i = 0; i < map->probes; i++) { -+ probe = jhash_ip(map, i, *ip) % map->hashsize; -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe); -+ if (*elem == *ip) -+ return -EEXIST; -+ if (!(slot || *elem)) -+ slot = elem; -+ /* There can be deleted entries, must check all slots */ -+ } -+ if (slot) { -+ *slot = *ip; -+ map->elements++; -+ return 0; -+ } -+ /* Trigger rehashing */ -+ return -EAGAIN; -+} -+ -+static inline int -+nethash_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, uint8_t cidr) -+{ -+ struct ip_set_nethash *map = set->data; -+ int ret; -+ -+ if (map->elements >= limit || map->nets[cidr-1] == UINT16_MAX) -+ return -ERANGE; -+ if (cidr <= 0 || cidr >= 32) -+ return -EINVAL; -+ -+ *hash_ip = pack_ip_cidr(ip, cidr); -+ DP("%u.%u.%u.%u/%u, %u.%u.%u.%u", HIPQUAD(ip), cidr, HIPQUAD(*hash_ip)); -+ if (!*hash_ip) -+ return -ERANGE; -+ -+ ret = __nethash_add(map, hash_ip); -+ if (ret == 0) { -+ if (!map->nets[cidr-1]++) -+ add_cidr_size(map->cidr, cidr); -+ map->elements++; -+ } -+ -+ return ret; -+} -+ -+#undef KADT_CONDITION -+#define KADT_CONDITION \ -+ struct ip_set_nethash *map = set->data; \ -+ uint8_t cidr = map->cidr[0] ? map->cidr[0] : 31; -+ -+UADT(nethash, add, req->cidr) -+KADT(nethash, add, ipaddr, cidr) -+ -+static inline void -+__nethash_retry(struct ip_set_nethash *tmp, struct ip_set_nethash *map) -+{ -+ memcpy(tmp->cidr, map->cidr, sizeof(tmp->cidr)); -+ memcpy(tmp->nets, map->nets, sizeof(tmp->nets)); -+} -+ -+HASH_RETRY(nethash, ip_set_ip_t) -+ -+static inline int -+nethash_del(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, uint8_t cidr) -+{ -+ struct ip_set_nethash *map = set->data; -+ ip_set_ip_t id, *elem; -+ -+ if (cidr <= 0 || cidr >= 32) -+ return -EINVAL; -+ -+ id = nethash_id_cidr(map, hash_ip, ip, cidr); -+ if (id == UINT_MAX) -+ return -EEXIST; -+ -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ *elem = 0; -+ map->elements--; -+ if (!map->nets[cidr-1]--) -+ del_cidr_size(map->cidr, cidr); -+ return 0; -+} -+ -+UADT(nethash, del, req->cidr) -+KADT(nethash, del, ipaddr, cidr) -+ -+static inline int -+__nethash_create(const struct ip_set_req_nethash_create *req, -+ struct ip_set_nethash *map) -+{ -+ memset(map->cidr, 0, sizeof(map->cidr)); -+ memset(map->nets, 0, sizeof(map->nets)); -+ -+ return 0; -+} -+ -+HASH_CREATE(nethash, ip_set_ip_t) -+HASH_DESTROY(nethash) -+ -+HASH_FLUSH_CIDR(nethash, ip_set_ip_t) -+ -+static inline void -+__nethash_list_header(const struct ip_set_nethash *map, -+ struct ip_set_req_nethash_create *header) -+{ -+} -+ -+HASH_LIST_HEADER(nethash) -+HASH_LIST_MEMBERS_SIZE(nethash, ip_set_ip_t) -+HASH_LIST_MEMBERS(nethash, ip_set_ip_t) -+ -+IP_SET_RTYPE(nethash, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("nethash type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+REGISTER_MODULE(nethash) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_portmap.c -@@ -0,0 +1,114 @@ -+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing a port set type as a bitmap */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/tcp.h> -+#include <linux/udp.h> -+#include <linux/skbuff.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_portmap.h> -+#include <linux/netfilter_ipv4/ip_set_getport.h> -+ -+static inline int -+portmap_test(const struct ip_set *set, ip_set_ip_t *hash_port, -+ ip_set_ip_t port) -+{ -+ const struct ip_set_portmap *map = set->data; -+ -+ if (port < map->first_ip || port > map->last_ip) -+ return -ERANGE; -+ -+ *hash_port = port; -+ DP("set: %s, port:%u, %u", set->name, port, *hash_port); -+ return !!test_bit(port - map->first_ip, map->members); -+} -+ -+#define KADT_CONDITION \ -+ if (ip == INVALID_PORT) \ -+ return 0; -+ -+UADT(portmap, test) -+KADT(portmap, test, get_port) -+ -+static inline int -+portmap_add(struct ip_set *set, ip_set_ip_t *hash_port, ip_set_ip_t port) -+{ -+ struct ip_set_portmap *map = set->data; -+ -+ if (port < map->first_ip || port > map->last_ip) -+ return -ERANGE; -+ if (test_and_set_bit(port - map->first_ip, map->members)) -+ return -EEXIST; -+ -+ *hash_port = port; -+ DP("port %u", port); -+ return 0; -+} -+ -+UADT(portmap, add) -+KADT(portmap, add, get_port) -+ -+static inline int -+portmap_del(struct ip_set *set, ip_set_ip_t *hash_port, ip_set_ip_t port) -+{ -+ struct ip_set_portmap *map = set->data; -+ -+ if (port < map->first_ip || port > map->last_ip) -+ return -ERANGE; -+ if (!test_and_clear_bit(port - map->first_ip, map->members)) -+ return -EEXIST; -+ -+ *hash_port = port; -+ DP("port %u", port); -+ return 0; -+} -+ -+UADT(portmap, del) -+KADT(portmap, del, get_port) -+ -+static inline int -+__portmap_create(const struct ip_set_req_portmap_create *req, -+ struct ip_set_portmap *map) -+{ -+ if (req->to - req->from > MAX_RANGE) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ req->to - req->from + 1, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ return bitmap_bytes(req->from, req->to); -+} -+ -+BITMAP_CREATE(portmap) -+BITMAP_DESTROY(portmap) -+BITMAP_FLUSH(portmap) -+ -+static inline void -+__portmap_list_header(const struct ip_set_portmap *map, -+ struct ip_set_req_portmap_create *header) -+{ -+} -+ -+BITMAP_LIST_HEADER(portmap) -+BITMAP_LIST_MEMBERS_SIZE(portmap) -+BITMAP_LIST_MEMBERS(portmap) -+ -+IP_SET_TYPE(portmap, IPSET_TYPE_PORT | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("portmap type of IP sets"); -+ -+REGISTER_MODULE(portmap) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_setlist.c -@@ -0,0 +1,330 @@ -+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an IP set type: the setlist type */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/errno.h> -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+#include <linux/netfilter_ipv4/ip_set_setlist.h> -+ -+/* -+ * before ==> index, ref -+ * after ==> ref, index -+ */ -+ -+static inline int -+next_index_eq(const struct ip_set_setlist *map, int i, ip_set_id_t index) -+{ -+ return i < map->size && map->index[i] == index; -+} -+ -+static int -+setlist_utest(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ const struct ip_set_setlist *map = set->data; -+ const struct ip_set_req_setlist *req = data; -+ ip_set_id_t index, ref = IP_SET_INVALID_ID; -+ int i, res = 0; -+ struct ip_set *s; -+ -+ if (req->before && req->ref[0] == '\0') -+ return 0; -+ -+ index = __ip_set_get_byname(req->name, &s); -+ if (index == IP_SET_INVALID_ID) -+ return 0; -+ if (req->ref[0] != '\0') { -+ ref = __ip_set_get_byname(req->ref, &s); -+ if (ref == IP_SET_INVALID_ID) -+ goto finish; -+ } -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID; i++) { -+ if (req->before && map->index[i] == index) { -+ res = next_index_eq(map, i + 1, ref); -+ break; -+ } else if (!req->before) { -+ if ((ref == IP_SET_INVALID_ID -+ && map->index[i] == index) -+ || (map->index[i] == ref -+ && next_index_eq(map, i + 1, index))) { -+ res = 1; -+ break; -+ } -+ } -+ } -+ if (ref != IP_SET_INVALID_ID) -+ __ip_set_put_byindex(ref); -+finish: -+ __ip_set_put_byindex(index); -+ return res; -+} -+ -+static int -+setlist_ktest(struct ip_set *set, -+ const struct sk_buff *skb, -+ ip_set_ip_t *hash_ip, -+ const u_int32_t *flags, -+ unsigned char index) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i, res = 0; -+ -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID -+ && res == 0; i++) -+ res = ip_set_testip_kernel(map->index[i], skb, flags); -+ return res; -+} -+ -+static inline int -+insert_setlist(struct ip_set_setlist *map, int i, ip_set_id_t index) -+{ -+ ip_set_id_t tmp; -+ int j; -+ -+ DP("i: %u, last %u\n", i, map->index[map->size - 1]); -+ if (i >= map->size || map->index[map->size - 1] != IP_SET_INVALID_ID) -+ return -ERANGE; -+ -+ for (j = i; j < map->size -+ && index != IP_SET_INVALID_ID; j++) { -+ tmp = map->index[j]; -+ map->index[j] = index; -+ index = tmp; -+ } -+ return 0; -+} -+ -+static int -+setlist_uadd(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_setlist *map = set->data; -+ const struct ip_set_req_setlist *req = data; -+ ip_set_id_t index, ref = IP_SET_INVALID_ID; -+ int i, res = -ERANGE; -+ struct ip_set *s; -+ -+ if (req->before && req->ref[0] == '\0') -+ return -EINVAL; -+ -+ index = __ip_set_get_byname(req->name, &s); -+ if (index == IP_SET_INVALID_ID) -+ return -EEXIST; -+ /* "Loop detection" */ -+ if (strcmp(s->type->typename, "setlist") == 0) -+ goto finish; -+ -+ if (req->ref[0] != '\0') { -+ ref = __ip_set_get_byname(req->ref, &s); -+ if (ref == IP_SET_INVALID_ID) { -+ res = -EEXIST; -+ goto finish; -+ } -+ } -+ for (i = 0; i < map->size; i++) { -+ if (map->index[i] != ref) -+ continue; -+ if (req->before) -+ res = insert_setlist(map, i, index); -+ else -+ res = insert_setlist(map, -+ ref == IP_SET_INVALID_ID ? i : i + 1, -+ index); -+ break; -+ } -+ if (ref != IP_SET_INVALID_ID) -+ __ip_set_put_byindex(ref); -+ /* In case of success, we keep the reference to the set */ -+finish: -+ if (res != 0) -+ __ip_set_put_byindex(index); -+ return res; -+} -+ -+static int -+setlist_kadd(struct ip_set *set, -+ const struct sk_buff *skb, -+ ip_set_ip_t *hash_ip, -+ const u_int32_t *flags, -+ unsigned char index) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i, res = -EINVAL; -+ -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID -+ && res != 0; i++) -+ res = ip_set_addip_kernel(map->index[i], skb, flags); -+ return res; -+} -+ -+static inline int -+unshift_setlist(struct ip_set_setlist *map, int i) -+{ -+ int j; -+ -+ for (j = i; j < map->size - 1; j++) -+ map->index[j] = map->index[j+1]; -+ map->index[map->size-1] = IP_SET_INVALID_ID; -+ return 0; -+} -+ -+static int -+setlist_udel(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_setlist *map = set->data; -+ const struct ip_set_req_setlist *req = data; -+ ip_set_id_t index, ref = IP_SET_INVALID_ID; -+ int i, res = -EEXIST; -+ struct ip_set *s; -+ -+ if (req->before && req->ref[0] == '\0') -+ return -EINVAL; -+ -+ index = __ip_set_get_byname(req->name, &s); -+ if (index == IP_SET_INVALID_ID) -+ return -EEXIST; -+ if (req->ref[0] != '\0') { -+ ref = __ip_set_get_byname(req->ref, &s); -+ if (ref == IP_SET_INVALID_ID) -+ goto finish; -+ } -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID; i++) { -+ if (req->before) { -+ if (map->index[i] == index -+ && next_index_eq(map, i + 1, ref)) { -+ res = unshift_setlist(map, i); -+ break; -+ } -+ } else if (ref == IP_SET_INVALID_ID) { -+ if (map->index[i] == index) { -+ res = unshift_setlist(map, i); -+ break; -+ } -+ } else if (map->index[i] == ref -+ && next_index_eq(map, i + 1, index)) { -+ res = unshift_setlist(map, i + 1); -+ break; -+ } -+ } -+ if (ref != IP_SET_INVALID_ID) -+ __ip_set_put_byindex(ref); -+finish: -+ __ip_set_put_byindex(index); -+ /* In case of success, release the reference to the set */ -+ if (res == 0) -+ __ip_set_put_byindex(index); -+ return res; -+} -+ -+static int -+setlist_kdel(struct ip_set *set, -+ const struct sk_buff *skb, -+ ip_set_ip_t *hash_ip, -+ const u_int32_t *flags, -+ unsigned char index) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i, res = -EINVAL; -+ -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID -+ && res != 0; i++) -+ res = ip_set_delip_kernel(map->index[i], skb, flags); -+ return res; -+} -+ -+static int -+setlist_create(struct ip_set *set, const void *data, u_int32_t size) -+{ -+ struct ip_set_setlist *map; -+ const struct ip_set_req_setlist_create *req = data; -+ int i; -+ -+ map = kmalloc(sizeof(struct ip_set_setlist) + -+ req->size * sizeof(ip_set_id_t), GFP_KERNEL); -+ if (!map) -+ return -ENOMEM; -+ map->size = req->size; -+ for (i = 0; i < map->size; i++) -+ map->index[i] = IP_SET_INVALID_ID; -+ -+ set->data = map; -+ return 0; -+} -+ -+static void -+setlist_destroy(struct ip_set *set) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i; -+ -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID; i++) -+ __ip_set_put_byindex(map->index[i]); -+ -+ kfree(map); -+ set->data = NULL; -+} -+ -+static void -+setlist_flush(struct ip_set *set) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i; -+ -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID; i++) { -+ __ip_set_put_byindex(map->index[i]); -+ map->index[i] = IP_SET_INVALID_ID; -+ } -+} -+ -+static void -+setlist_list_header(const struct ip_set *set, void *data) -+{ -+ const struct ip_set_setlist *map = set->data; -+ struct ip_set_req_setlist_create *header = data; -+ -+ header->size = map->size; -+} -+ -+static int -+setlist_list_members_size(const struct ip_set *set) -+{ -+ const struct ip_set_setlist *map = set->data; -+ -+ return map->size * sizeof(ip_set_id_t); -+} -+ -+static void -+setlist_list_members(const struct ip_set *set, void *data) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i; -+ -+ for (i = 0; i < map->size; i++) -+ *((ip_set_id_t *)data + i) = ip_set_id(map->index[i]); -+} -+ -+IP_SET_TYPE(setlist, IPSET_TYPE_SETNAME | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("setlist type of IP sets"); -+ -+REGISTER_MODULE(setlist) ---- /dev/null -+++ b/net/ipv4/netfilter/ipt_set.c -@@ -0,0 +1,238 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Martin Josefsson <gandalf@wlug.westbo.se> -+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module to match an IP set. */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/version.h> -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) -+#include <linux/netfilter_ipv4/ip_tables.h> -+#define xt_register_match ipt_register_match -+#define xt_unregister_match ipt_unregister_match -+#define xt_match ipt_match -+#else -+#include <linux/netfilter/x_tables.h> -+#endif -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ipt_set.h> -+ -+static inline int -+match_set(const struct ipt_set_info *info, -+ const struct sk_buff *skb, -+ int inv) -+{ -+ if (ip_set_testip_kernel(info->index, skb, info->flags)) -+ inv = !inv; -+ return inv; -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) -+static int -+match(const struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ const void *matchinfo, -+ int offset, -+ const void *hdr, -+ u_int16_t datalen, -+ int *hotdrop) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) -+static int -+match(const struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ const void *matchinfo, -+ int offset, -+ int *hotdrop) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static int -+match(const struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ const void *matchinfo, -+ int offset, -+ unsigned int protoff, -+ int *hotdrop) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -+static int -+match(const struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ const struct xt_match *match, -+ const void *matchinfo, -+ int offset, -+ unsigned int protoff, -+ int *hotdrop) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+static bool -+match(const struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ const struct xt_match *match, -+ const void *matchinfo, -+ int offset, -+ unsigned int protoff, -+ bool *hotdrop) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+static bool -+match(const struct sk_buff *skb, -+ const struct xt_match_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ const struct ipt_set_info_match *info = matchinfo; -+#else -+ const struct ipt_set_info_match *info = par->matchinfo; -+#endif -+ -+ return match_set(&info->match_set, -+ skb, -+ info->match_set.flags[0] & IPSET_MATCH_INV); -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) -+static int -+checkentry(const char *tablename, -+ const struct ipt_ip *ip, -+ void *matchinfo, -+ unsigned int matchsize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static int -+checkentry(const char *tablename, -+ const void *inf, -+ void *matchinfo, -+ unsigned int matchsize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+static int -+checkentry(const char *tablename, -+ const void *inf, -+ const struct xt_match *match, -+ void *matchinfo, -+ unsigned int matchsize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -+static int -+checkentry(const char *tablename, -+ const void *inf, -+ const struct xt_match *match, -+ void *matchinfo, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+static bool -+checkentry(const char *tablename, -+ const void *inf, -+ const struct xt_match *match, -+ void *matchinfo, -+ unsigned int hook_mask) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+static bool -+checkentry(const struct xt_mtchk_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ struct ipt_set_info_match *info = matchinfo; -+#else -+ struct ipt_set_info_match *info = par->matchinfo; -+#endif -+ ip_set_id_t index; -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+ if (matchsize != IPT_ALIGN(sizeof(struct ipt_set_info_match))) { -+ ip_set_printk("invalid matchsize %d", matchsize); -+ return 0; -+ } -+#endif -+ -+ index = ip_set_get_byindex(info->match_set.index); -+ -+ if (index == IP_SET_INVALID_ID) { -+ ip_set_printk("Cannot find set indentified by id %u to match", -+ info->match_set.index); -+ return 0; /* error */ -+ } -+ if (info->match_set.flags[IP_SET_MAX_BINDINGS] != 0) { -+ ip_set_printk("That's nasty!"); -+ return 0; /* error */ -+ } -+ -+ return 1; -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static void destroy(void *matchinfo, -+ unsigned int matchsize) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+static void destroy(const struct xt_match *match, -+ void *matchinfo, -+ unsigned int matchsize) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+static void destroy(const struct xt_match *match, -+ void *matchinfo) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+static void destroy(const struct xt_mtdtor_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ struct ipt_set_info_match *info = matchinfo; -+#else -+ struct ipt_set_info_match *info = par->matchinfo; -+#endif -+ -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+ if (matchsize != IPT_ALIGN(sizeof(struct ipt_set_info_match))) { -+ ip_set_printk("invalid matchsize %d", matchsize); -+ return; -+ } -+#endif -+ ip_set_put_byindex(info->match_set.index); -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static struct xt_match set_match = { -+ .name = "set", -+ .match = &match, -+ .checkentry = &checkentry, -+ .destroy = &destroy, -+ .me = THIS_MODULE -+}; -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17) */ -+static struct xt_match set_match = { -+ .name = "set", -+ .family = AF_INET, -+ .match = &match, -+ .matchsize = sizeof(struct ipt_set_info_match), -+ .checkentry = &checkentry, -+ .destroy = &destroy, -+ .me = THIS_MODULE -+}; -+#endif -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("iptables IP set match module"); -+ -+static int __init ipt_ipset_init(void) -+{ -+ return xt_register_match(&set_match); -+} -+ -+static void __exit ipt_ipset_fini(void) -+{ -+ xt_unregister_match(&set_match); -+} -+ -+module_init(ipt_ipset_init); -+module_exit(ipt_ipset_fini); ---- /dev/null -+++ b/net/ipv4/netfilter/ipt_SET.c -@@ -0,0 +1,242 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Martin Josefsson <gandalf@wlug.westbo.se> -+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* ipt_SET.c - netfilter target to manipulate IP sets */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/version.h> -+ -+#include <linux/netfilter_ipv4.h> -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) -+#include <linux/netfilter_ipv4/ip_tables.h> -+#define xt_register_target ipt_register_target -+#define xt_unregister_target ipt_unregister_target -+#define xt_target ipt_target -+#define XT_CONTINUE IPT_CONTINUE -+#else -+#include <linux/netfilter/x_tables.h> -+#endif -+#include <linux/netfilter_ipv4/ipt_set.h> -+ -+static unsigned int -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) -+target(struct sk_buff **pskb, -+ unsigned int hooknum, -+ const struct net_device *in, -+ const struct net_device *out, -+ const void *targinfo, -+ void *userinfo) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+target(struct sk_buff **pskb, -+ const struct net_device *in, -+ const struct net_device *out, -+ unsigned int hooknum, -+ const void *targinfo, -+ void *userinfo) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+target(struct sk_buff **pskb, -+ const struct net_device *in, -+ const struct net_device *out, -+ unsigned int hooknum, -+ const struct xt_target *target, -+ const void *targinfo, -+ void *userinfo) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24) -+target(struct sk_buff **pskb, -+ const struct net_device *in, -+ const struct net_device *out, -+ unsigned int hooknum, -+ const struct xt_target *target, -+ const void *targinfo) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+target(struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ unsigned int hooknum, -+ const struct xt_target *target, -+ const void *targinfo) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+target(struct sk_buff *skb, -+ const struct xt_target_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ const struct ipt_set_info_target *info = targinfo; -+#else -+ const struct ipt_set_info_target *info = par->targinfo; -+#endif -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24) -+ struct sk_buff *skb = *pskb; -+#endif -+ -+ -+ if (info->add_set.index != IP_SET_INVALID_ID) -+ ip_set_addip_kernel(info->add_set.index, -+ skb, -+ info->add_set.flags); -+ if (info->del_set.index != IP_SET_INVALID_ID) -+ ip_set_delip_kernel(info->del_set.index, -+ skb, -+ info->del_set.flags); -+ -+ return XT_CONTINUE; -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) -+static int -+checkentry(const char *tablename, -+ const struct ipt_entry *e, -+ void *targinfo, -+ unsigned int targinfosize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static int -+checkentry(const char *tablename, -+ const void *e, -+ void *targinfo, -+ unsigned int targinfosize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+static int -+checkentry(const char *tablename, -+ const void *e, -+ const struct xt_target *target, -+ void *targinfo, -+ unsigned int targinfosize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -+static int -+checkentry(const char *tablename, -+ const void *e, -+ const struct xt_target *target, -+ void *targinfo, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+static bool -+checkentry(const char *tablename, -+ const void *e, -+ const struct xt_target *target, -+ void *targinfo, -+ unsigned int hook_mask) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+static bool -+checkentry(const struct xt_tgchk_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ const struct ipt_set_info_target *info = targinfo; -+#else -+ const struct ipt_set_info_target *info = par->targinfo; -+#endif -+ ip_set_id_t index; -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+ if (targinfosize != IPT_ALIGN(sizeof(*info))) { -+ DP("bad target info size %u", targinfosize); -+ return 0; -+ } -+#endif -+ -+ if (info->add_set.index != IP_SET_INVALID_ID) { -+ index = ip_set_get_byindex(info->add_set.index); -+ if (index == IP_SET_INVALID_ID) { -+ ip_set_printk("cannot find add_set index %u as target", -+ info->add_set.index); -+ return 0; /* error */ -+ } -+ } -+ -+ if (info->del_set.index != IP_SET_INVALID_ID) { -+ index = ip_set_get_byindex(info->del_set.index); -+ if (index == IP_SET_INVALID_ID) { -+ ip_set_printk("cannot find del_set index %u as target", -+ info->del_set.index); -+ return 0; /* error */ -+ } -+ } -+ if (info->add_set.flags[IP_SET_MAX_BINDINGS] != 0 -+ || info->del_set.flags[IP_SET_MAX_BINDINGS] != 0) { -+ ip_set_printk("That's nasty!"); -+ return 0; /* error */ -+ } -+ -+ return 1; -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static void destroy(void *targetinfo, -+ unsigned int targetsize) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+static void destroy(const struct xt_target *target, -+ void *targetinfo, -+ unsigned int targetsize) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+static void destroy(const struct xt_target *target, -+ void *targetinfo) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+static void destroy(const struct xt_tgdtor_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ const struct ipt_set_info_target *info = targetinfo; -+#else -+ const struct ipt_set_info_target *info = par->targinfo; -+#endif -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+ if (targetsize != IPT_ALIGN(sizeof(struct ipt_set_info_target))) { -+ ip_set_printk("invalid targetsize %d", targetsize); -+ return; -+ } -+#endif -+ if (info->add_set.index != IP_SET_INVALID_ID) -+ ip_set_put_byindex(info->add_set.index); -+ if (info->del_set.index != IP_SET_INVALID_ID) -+ ip_set_put_byindex(info->del_set.index); -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static struct xt_target SET_target = { -+ .name = "SET", -+ .target = target, -+ .checkentry = checkentry, -+ .destroy = destroy, -+ .me = THIS_MODULE -+}; -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17) */ -+static struct xt_target SET_target = { -+ .name = "SET", -+ .family = AF_INET, -+ .target = target, -+ .targetsize = sizeof(struct ipt_set_info_target), -+ .checkentry = checkentry, -+ .destroy = destroy, -+ .me = THIS_MODULE -+}; -+#endif -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("iptables IP set target module"); -+ -+static int __init ipt_SET_init(void) -+{ -+ return xt_register_target(&SET_target); -+} -+ -+static void __exit ipt_SET_fini(void) -+{ -+ xt_unregister_target(&SET_target); -+} -+ -+module_init(ipt_SET_init); -+module_exit(ipt_SET_fini); ---- a/net/ipv4/netfilter/Kconfig -+++ b/net/ipv4/netfilter/Kconfig -@@ -657,5 +657,146 @@ config IP_NF_ARP_MANGLE - Allows altering the ARP packet payload: source and destination - hardware and network addresses. - -+config IP_NF_SET -+ tristate "IP set support" -+ depends on INET && NETFILTER -+ help -+ This option adds IP set support to the kernel. -+ In order to define and use sets, you need the userspace utility -+ ipset(8). -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_MAX -+ int "Maximum number of IP sets" -+ default 256 -+ range 2 65534 -+ depends on IP_NF_SET -+ help -+ You can define here default value of the maximum number -+ of IP sets for the kernel. -+ -+ The value can be overriden by the 'max_sets' module -+ parameter of the 'ip_set' module. -+ -+config IP_NF_SET_HASHSIZE -+ int "Hash size for bindings of IP sets" -+ default 1024 -+ depends on IP_NF_SET -+ help -+ You can define here default value of the hash size for -+ bindings of IP sets. -+ -+ The value can be overriden by the 'hash_size' module -+ parameter of the 'ip_set' module. -+ -+config IP_NF_SET_IPMAP -+ tristate "ipmap set support" -+ depends on IP_NF_SET -+ help -+ This option adds the ipmap set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_MACIPMAP -+ tristate "macipmap set support" -+ depends on IP_NF_SET -+ help -+ This option adds the macipmap set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_PORTMAP -+ tristate "portmap set support" -+ depends on IP_NF_SET -+ help -+ This option adds the portmap set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPHASH -+ tristate "iphash set support" -+ depends on IP_NF_SET -+ help -+ This option adds the iphash set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_NETHASH -+ tristate "nethash set support" -+ depends on IP_NF_SET -+ help -+ This option adds the nethash set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPPORTHASH -+ tristate "ipporthash set support" -+ depends on IP_NF_SET -+ help -+ This option adds the ipporthash set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPPORTIPHASH -+ tristate "ipportiphash set support" -+ depends on IP_NF_SET -+ help -+ This option adds the ipportiphash set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPPORTNETHASH -+ tristate "ipportnethash set support" -+ depends on IP_NF_SET -+ help -+ This option adds the ipportnethash set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPTREE -+ tristate "iptree set support" -+ depends on IP_NF_SET -+ help -+ This option adds the iptree set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPTREEMAP -+ tristate "iptreemap set support" -+ depends on IP_NF_SET -+ help -+ This option adds the iptreemap set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_SETLIST -+ tristate "setlist set support" -+ depends on IP_NF_SET -+ help -+ This option adds the setlist set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_MATCH_SET -+ tristate "set match support" -+ depends on IP_NF_SET -+ help -+ Set matching matches against given IP sets. -+ You need the ipset utility to create and set up the sets. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_TARGET_SET -+ tristate "SET target support" -+ depends on IP_NF_SET -+ help -+ The SET target makes possible to add/delete entries -+ in IP sets. -+ You need the ipset utility to create and set up the sets. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+ - endmenu - ---- a/net/ipv4/netfilter/Makefile -+++ b/net/ipv4/netfilter/Makefile -@@ -90,6 +90,7 @@ obj-$(CONFIG_IP_NF_MATCH_RECENT) += ipt_ - obj-$(CONFIG_IP_NF_MATCH_ECN) += ipt_ecn.o - obj-$(CONFIG_IP_NF_MATCH_AH) += ipt_ah.o - obj-$(CONFIG_IP_NF_MATCH_TTL) += ipt_ttl.o -+obj-$(CONFIG_IP_NF_MATCH_SET) += ipt_set.o - obj-$(CONFIG_IP_NF_MATCH_ADDRTYPE) += ipt_addrtype.o - - # targets -@@ -105,6 +106,21 @@ obj-$(CONFIG_IP_NF_TARGET_LOG) += ipt_LO - obj-$(CONFIG_IP_NF_TARGET_ULOG) += ipt_ULOG.o - obj-$(CONFIG_IP_NF_TARGET_CLUSTERIP) += ipt_CLUSTERIP.o - obj-$(CONFIG_IP_NF_TARGET_TTL) += ipt_TTL.o -+obj-$(CONFIG_IP_NF_TARGET_SET) += ipt_SET.o -+ -+# sets -+obj-$(CONFIG_IP_NF_SET) += ip_set.o -+obj-$(CONFIG_IP_NF_SET_IPMAP) += ip_set_ipmap.o -+obj-$(CONFIG_IP_NF_SET_PORTMAP) += ip_set_portmap.o -+obj-$(CONFIG_IP_NF_SET_MACIPMAP) += ip_set_macipmap.o -+obj-$(CONFIG_IP_NF_SET_IPHASH) += ip_set_iphash.o -+obj-$(CONFIG_IP_NF_SET_NETHASH) += ip_set_nethash.o -+obj-$(CONFIG_IP_NF_SET_IPPORTHASH) += ip_set_ipporthash.o -+obj-$(CONFIG_IP_NF_SET_IPPORTIPHASH) += ip_set_ipportiphash.o -+obj-$(CONFIG_IP_NF_SET_IPPORTNETHASH) += ip_set_ipportnethash.o -+obj-$(CONFIG_IP_NF_SET_IPTREE) += ip_set_iptree.o -+obj-$(CONFIG_IP_NF_SET_IPTREEMAP) += ip_set_iptreemap.o -+obj-$(CONFIG_IP_NF_SET_SETLIST) += ip_set_setlist.o - - # generic ARP tables - obj-$(CONFIG_IP_NF_ARPTABLES) += arp_tables.o diff --git a/target/linux/generic-2.6/patches-2.6.25/130-netfilter_ipset.patch b/target/linux/generic-2.6/patches-2.6.25/130-netfilter_ipset.patch deleted file mode 100644 index b4405d20bb..0000000000 --- a/target/linux/generic-2.6/patches-2.6.25/130-netfilter_ipset.patch +++ /dev/null @@ -1,7749 +0,0 @@ ---- a/include/linux/netfilter_ipv4/Kbuild -+++ b/include/linux/netfilter_ipv4/Kbuild -@@ -45,3 +45,20 @@ header-y += ipt_ttl.h - - unifdef-y += ip_queue.h - unifdef-y += ip_tables.h -+ -+unifdef-y += ip_set.h -+header-y += ip_set_iphash.h -+unifdef-y += ip_set_bitmaps.h -+unifdef-y += ip_set_getport.h -+unifdef-y += ip_set_hashes.h -+header-y += ip_set_ipmap.h -+header-y += ip_set_ipporthash.h -+header-y += ip_set_ipportiphash.h -+header-y += ip_set_ipportnethash.h -+unifdef-y += ip_set_iptree.h -+unifdef-y += ip_set_iptreemap.h -+header-y += ip_set_jhash.h -+header-y += ip_set_macipmap.h -+header-y += ip_set_nethash.h -+header-y += ip_set_portmap.h -+header-y += ip_set_setlist.h ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set.h -@@ -0,0 +1,574 @@ -+#ifndef _IP_SET_H -+#define _IP_SET_H -+ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Martin Josefsson <gandalf@wlug.westbo.se> -+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#if 0 -+#define IP_SET_DEBUG -+#endif -+ -+/* -+ * A sockopt of such quality has hardly ever been seen before on the open -+ * market! This little beauty, hardly ever used: above 64, so it's -+ * traditionally used for firewalling, not touched (even once!) by the -+ * 2.0, 2.2 and 2.4 kernels! -+ * -+ * Comes with its own certificate of authenticity, valid anywhere in the -+ * Free world! -+ * -+ * Rusty, 19.4.2000 -+ */ -+#define SO_IP_SET 83 -+ -+/* -+ * Heavily modify by Joakim Axelsson 08.03.2002 -+ * - Made it more modulebased -+ * -+ * Additional heavy modifications by Jozsef Kadlecsik 22.02.2004 -+ * - bindings added -+ * - in order to "deal with" backward compatibility, renamed to ipset -+ */ -+ -+/* -+ * Used so that the kernel module and ipset-binary can match their versions -+ */ -+#define IP_SET_PROTOCOL_VERSION 3 -+ -+#define IP_SET_MAXNAMELEN 32 /* set names and set typenames */ -+ -+/* Lets work with our own typedef for representing an IP address. -+ * We hope to make the code more portable, possibly to IPv6... -+ * -+ * The representation works in HOST byte order, because most set types -+ * will perform arithmetic operations and compare operations. -+ * -+ * For now the type is an uint32_t. -+ * -+ * Make sure to ONLY use the functions when translating and parsing -+ * in order to keep the host byte order and make it more portable: -+ * parse_ip() -+ * parse_mask() -+ * parse_ipandmask() -+ * ip_tostring() -+ * (Joakim: where are they???) -+ */ -+ -+typedef uint32_t ip_set_ip_t; -+ -+/* Sets are identified by an id in kernel space. Tweak with ip_set_id_t -+ * and IP_SET_INVALID_ID if you want to increase the max number of sets. -+ */ -+typedef uint16_t ip_set_id_t; -+ -+#define IP_SET_INVALID_ID 65535 -+ -+/* How deep we follow bindings */ -+#define IP_SET_MAX_BINDINGS 6 -+ -+/* -+ * Option flags for kernel operations (ipt_set_info) -+ */ -+#define IPSET_SRC 0x01 /* Source match/add */ -+#define IPSET_DST 0x02 /* Destination match/add */ -+#define IPSET_MATCH_INV 0x04 /* Inverse matching */ -+ -+/* -+ * Set features -+ */ -+#define IPSET_TYPE_IP 0x01 /* IP address type of set */ -+#define IPSET_TYPE_PORT 0x02 /* Port type of set */ -+#define IPSET_DATA_SINGLE 0x04 /* Single data storage */ -+#define IPSET_DATA_DOUBLE 0x08 /* Double data storage */ -+#define IPSET_DATA_TRIPLE 0x10 /* Triple data storage */ -+#define IPSET_TYPE_IP1 0x20 /* IP address type of set */ -+#define IPSET_TYPE_SETNAME 0x40 /* setname type of set */ -+ -+/* Reserved keywords */ -+#define IPSET_TOKEN_DEFAULT ":default:" -+#define IPSET_TOKEN_ALL ":all:" -+ -+/* SO_IP_SET operation constants, and their request struct types. -+ * -+ * Operation ids: -+ * 0-99: commands with version checking -+ * 100-199: add/del/test/bind/unbind -+ * 200-299: list, save, restore -+ */ -+ -+/* Single shot operations: -+ * version, create, destroy, flush, rename and swap -+ * -+ * Sets are identified by name. -+ */ -+ -+#define IP_SET_REQ_STD \ -+ unsigned op; \ -+ unsigned version; \ -+ char name[IP_SET_MAXNAMELEN] -+ -+#define IP_SET_OP_CREATE 0x00000001 /* Create a new (empty) set */ -+struct ip_set_req_create { -+ IP_SET_REQ_STD; -+ char typename[IP_SET_MAXNAMELEN]; -+}; -+ -+#define IP_SET_OP_DESTROY 0x00000002 /* Remove a (empty) set */ -+struct ip_set_req_std { -+ IP_SET_REQ_STD; -+}; -+ -+#define IP_SET_OP_FLUSH 0x00000003 /* Remove all IPs in a set */ -+/* Uses ip_set_req_std */ -+ -+#define IP_SET_OP_RENAME 0x00000004 /* Rename a set */ -+/* Uses ip_set_req_create */ -+ -+#define IP_SET_OP_SWAP 0x00000005 /* Swap two sets */ -+/* Uses ip_set_req_create */ -+ -+union ip_set_name_index { -+ char name[IP_SET_MAXNAMELEN]; -+ ip_set_id_t index; -+}; -+ -+#define IP_SET_OP_GET_BYNAME 0x00000006 /* Get set index by name */ -+struct ip_set_req_get_set { -+ unsigned op; -+ unsigned version; -+ union ip_set_name_index set; -+}; -+ -+#define IP_SET_OP_GET_BYINDEX 0x00000007 /* Get set name by index */ -+/* Uses ip_set_req_get_set */ -+ -+#define IP_SET_OP_VERSION 0x00000100 /* Ask kernel version */ -+struct ip_set_req_version { -+ unsigned op; -+ unsigned version; -+}; -+ -+/* Double shots operations: -+ * add, del, test, bind and unbind. -+ * -+ * First we query the kernel to get the index and type of the target set, -+ * then issue the command. Validity of IP is checked in kernel in order -+ * to minimalize sockopt operations. -+ */ -+ -+/* Get minimal set data for add/del/test/bind/unbind IP */ -+#define IP_SET_OP_ADT_GET 0x00000010 /* Get set and type */ -+struct ip_set_req_adt_get { -+ unsigned op; -+ unsigned version; -+ union ip_set_name_index set; -+ char typename[IP_SET_MAXNAMELEN]; -+}; -+ -+#define IP_SET_REQ_BYINDEX \ -+ unsigned op; \ -+ ip_set_id_t index; -+ -+struct ip_set_req_adt { -+ IP_SET_REQ_BYINDEX; -+}; -+ -+#define IP_SET_OP_ADD_IP 0x00000101 /* Add an IP to a set */ -+/* Uses ip_set_req_adt, with type specific addage */ -+ -+#define IP_SET_OP_DEL_IP 0x00000102 /* Remove an IP from a set */ -+/* Uses ip_set_req_adt, with type specific addage */ -+ -+#define IP_SET_OP_TEST_IP 0x00000103 /* Test an IP in a set */ -+/* Uses ip_set_req_adt, with type specific addage */ -+ -+#define IP_SET_OP_BIND_SET 0x00000104 /* Bind an IP to a set */ -+/* Uses ip_set_req_bind, with type specific addage */ -+struct ip_set_req_bind { -+ IP_SET_REQ_BYINDEX; -+ char binding[IP_SET_MAXNAMELEN]; -+}; -+ -+#define IP_SET_OP_UNBIND_SET 0x00000105 /* Unbind an IP from a set */ -+/* Uses ip_set_req_bind, with type speficic addage -+ * index = 0 means unbinding for all sets */ -+ -+#define IP_SET_OP_TEST_BIND_SET 0x00000106 /* Test binding an IP to a set */ -+/* Uses ip_set_req_bind, with type specific addage */ -+ -+/* Multiple shots operations: list, save, restore. -+ * -+ * - check kernel version and query the max number of sets -+ * - get the basic information on all sets -+ * and size required for the next step -+ * - get actual set data: header, data, bindings -+ */ -+ -+/* Get max_sets and the index of a queried set -+ */ -+#define IP_SET_OP_MAX_SETS 0x00000020 -+struct ip_set_req_max_sets { -+ unsigned op; -+ unsigned version; -+ ip_set_id_t max_sets; /* max_sets */ -+ ip_set_id_t sets; /* real number of sets */ -+ union ip_set_name_index set; /* index of set if name used */ -+}; -+ -+/* Get the id and name of the sets plus size for next step */ -+#define IP_SET_OP_LIST_SIZE 0x00000201 -+#define IP_SET_OP_SAVE_SIZE 0x00000202 -+struct ip_set_req_setnames { -+ unsigned op; -+ ip_set_id_t index; /* set to list/save */ -+ u_int32_t size; /* size to get setdata/bindings */ -+ /* followed by sets number of struct ip_set_name_list */ -+}; -+ -+struct ip_set_name_list { -+ char name[IP_SET_MAXNAMELEN]; -+ char typename[IP_SET_MAXNAMELEN]; -+ ip_set_id_t index; -+ ip_set_id_t id; -+}; -+ -+/* The actual list operation */ -+#define IP_SET_OP_LIST 0x00000203 -+struct ip_set_req_list { -+ IP_SET_REQ_BYINDEX; -+ /* sets number of struct ip_set_list in reply */ -+}; -+ -+struct ip_set_list { -+ ip_set_id_t index; -+ ip_set_id_t binding; -+ u_int32_t ref; -+ u_int32_t header_size; /* Set header data of header_size */ -+ u_int32_t members_size; /* Set members data of members_size */ -+ u_int32_t bindings_size;/* Set bindings data of bindings_size */ -+}; -+ -+struct ip_set_hash_list { -+ ip_set_ip_t ip; -+ ip_set_id_t binding; -+}; -+ -+/* The save operation */ -+#define IP_SET_OP_SAVE 0x00000204 -+/* Uses ip_set_req_list, in the reply replaced by -+ * sets number of struct ip_set_save plus a marker -+ * ip_set_save followed by ip_set_hash_save structures. -+ */ -+struct ip_set_save { -+ ip_set_id_t index; -+ ip_set_id_t binding; -+ u_int32_t header_size; /* Set header data of header_size */ -+ u_int32_t members_size; /* Set members data of members_size */ -+}; -+ -+/* At restoring, ip == 0 means default binding for the given set: */ -+struct ip_set_hash_save { -+ ip_set_ip_t ip; -+ ip_set_id_t id; -+ ip_set_id_t binding; -+}; -+ -+/* The restore operation */ -+#define IP_SET_OP_RESTORE 0x00000205 -+/* Uses ip_set_req_setnames followed by ip_set_restore structures -+ * plus a marker ip_set_restore, followed by ip_set_hash_save -+ * structures. -+ */ -+struct ip_set_restore { -+ char name[IP_SET_MAXNAMELEN]; -+ char typename[IP_SET_MAXNAMELEN]; -+ ip_set_id_t index; -+ u_int32_t header_size; /* Create data of header_size */ -+ u_int32_t members_size; /* Set members data of members_size */ -+}; -+ -+static inline int bitmap_bytes(ip_set_ip_t a, ip_set_ip_t b) -+{ -+ return 4 * ((((b - a + 8) / 8) + 3) / 4); -+} -+ -+/* General limit for the elements in a set */ -+#define MAX_RANGE 0x0000FFFF -+ -+#ifdef __KERNEL__ -+#include <linux/netfilter_ipv4/ip_set_compat.h> -+#include <linux/netfilter_ipv4/ip_set_malloc.h> -+ -+#define ip_set_printk(format, args...) \ -+ do { \ -+ printk("%s: %s: ", __FILE__, __FUNCTION__); \ -+ printk(format "\n" , ## args); \ -+ } while (0) -+ -+#if defined(IP_SET_DEBUG) -+#define DP(format, args...) \ -+ do { \ -+ printk("%s: %s (DBG): ", __FILE__, __FUNCTION__);\ -+ printk(format "\n" , ## args); \ -+ } while (0) -+#define IP_SET_ASSERT(x) \ -+ do { \ -+ if (!(x)) \ -+ printk("IP_SET_ASSERT: %s:%i(%s)\n", \ -+ __FILE__, __LINE__, __FUNCTION__); \ -+ } while (0) -+#else -+#define DP(format, args...) -+#define IP_SET_ASSERT(x) -+#endif -+ -+struct ip_set; -+ -+/* -+ * The ip_set_type definition - one per set type, e.g. "ipmap". -+ * -+ * Each individual set has a pointer, set->type, going to one -+ * of these structures. Function pointers inside the structure implement -+ * the real behaviour of the sets. -+ * -+ * If not mentioned differently, the implementation behind the function -+ * pointers of a set_type, is expected to return 0 if ok, and a negative -+ * errno (e.g. -EINVAL) on error. -+ */ -+struct ip_set_type { -+ struct list_head list; /* next in list of set types */ -+ -+ /* test for IP in set (kernel: iptables -m set src|dst) -+ * return 0 if not in set, 1 if in set. -+ */ -+ int (*testip_kernel) (struct ip_set *set, -+ const struct sk_buff * skb, -+ ip_set_ip_t *ip, -+ const u_int32_t *flags, -+ unsigned char index); -+ -+ /* test for IP in set (userspace: ipset -T set IP) -+ * return 0 if not in set, 1 if in set. -+ */ -+ int (*testip) (struct ip_set *set, -+ const void *data, u_int32_t size, -+ ip_set_ip_t *ip); -+ -+ /* -+ * Size of the data structure passed by when -+ * adding/deletin/testing an entry. -+ */ -+ u_int32_t reqsize; -+ -+ /* Add IP into set (userspace: ipset -A set IP) -+ * Return -EEXIST if the address is already in the set, -+ * and -ERANGE if the address lies outside the set bounds. -+ * If the address was not already in the set, 0 is returned. -+ */ -+ int (*addip) (struct ip_set *set, -+ const void *data, u_int32_t size, -+ ip_set_ip_t *ip); -+ -+ /* Add IP into set (kernel: iptables ... -j SET set src|dst) -+ * Return -EEXIST if the address is already in the set, -+ * and -ERANGE if the address lies outside the set bounds. -+ * If the address was not already in the set, 0 is returned. -+ */ -+ int (*addip_kernel) (struct ip_set *set, -+ const struct sk_buff * skb, -+ ip_set_ip_t *ip, -+ const u_int32_t *flags, -+ unsigned char index); -+ -+ /* remove IP from set (userspace: ipset -D set --entry x) -+ * Return -EEXIST if the address is NOT in the set, -+ * and -ERANGE if the address lies outside the set bounds. -+ * If the address really was in the set, 0 is returned. -+ */ -+ int (*delip) (struct ip_set *set, -+ const void *data, u_int32_t size, -+ ip_set_ip_t *ip); -+ -+ /* remove IP from set (kernel: iptables ... -j SET --entry x) -+ * Return -EEXIST if the address is NOT in the set, -+ * and -ERANGE if the address lies outside the set bounds. -+ * If the address really was in the set, 0 is returned. -+ */ -+ int (*delip_kernel) (struct ip_set *set, -+ const struct sk_buff * skb, -+ ip_set_ip_t *ip, -+ const u_int32_t *flags, -+ unsigned char index); -+ -+ /* new set creation - allocated type specific items -+ */ -+ int (*create) (struct ip_set *set, -+ const void *data, u_int32_t size); -+ -+ /* retry the operation after successfully tweaking the set -+ */ -+ int (*retry) (struct ip_set *set); -+ -+ /* set destruction - free type specific items -+ * There is no return value. -+ * Can be called only when child sets are destroyed. -+ */ -+ void (*destroy) (struct ip_set *set); -+ -+ /* set flushing - reset all bits in the set, or something similar. -+ * There is no return value. -+ */ -+ void (*flush) (struct ip_set *set); -+ -+ /* Listing: size needed for header -+ */ -+ u_int32_t header_size; -+ -+ /* Listing: Get the header -+ * -+ * Fill in the information in "data". -+ * This function is always run after list_header_size() under a -+ * writelock on the set. Therefor is the length of "data" always -+ * correct. -+ */ -+ void (*list_header) (const struct ip_set *set, -+ void *data); -+ -+ /* Listing: Get the size for the set members -+ */ -+ int (*list_members_size) (const struct ip_set *set); -+ -+ /* Listing: Get the set members -+ * -+ * Fill in the information in "data". -+ * This function is always run after list_member_size() under a -+ * writelock on the set. Therefor is the length of "data" always -+ * correct. -+ */ -+ void (*list_members) (const struct ip_set *set, -+ void *data); -+ -+ char typename[IP_SET_MAXNAMELEN]; -+ unsigned char features; -+ int protocol_version; -+ -+ /* Set this to THIS_MODULE if you are a module, otherwise NULL */ -+ struct module *me; -+}; -+ -+extern int ip_set_register_set_type(struct ip_set_type *set_type); -+extern void ip_set_unregister_set_type(struct ip_set_type *set_type); -+ -+/* A generic ipset */ -+struct ip_set { -+ char name[IP_SET_MAXNAMELEN]; /* the name of the set */ -+ rwlock_t lock; /* lock for concurrency control */ -+ ip_set_id_t id; /* set id for swapping */ -+ ip_set_id_t binding; /* default binding for the set */ -+ atomic_t ref; /* in kernel and in hash references */ -+ struct ip_set_type *type; /* the set types */ -+ void *data; /* pooltype specific data */ -+}; -+ -+/* Structure to bind set elements to sets */ -+struct ip_set_hash { -+ struct list_head list; /* list of clashing entries in hash */ -+ ip_set_ip_t ip; /* ip from set */ -+ ip_set_id_t id; /* set id */ -+ ip_set_id_t binding; /* set we bind the element to */ -+}; -+ -+/* register and unregister set references */ -+extern ip_set_id_t ip_set_get_byname(const char name[IP_SET_MAXNAMELEN]); -+extern ip_set_id_t ip_set_get_byindex(ip_set_id_t index); -+extern void ip_set_put_byindex(ip_set_id_t index); -+extern ip_set_id_t ip_set_id(ip_set_id_t index); -+extern ip_set_id_t __ip_set_get_byname(const char name[IP_SET_MAXNAMELEN], -+ struct ip_set **set); -+extern void __ip_set_put_byindex(ip_set_id_t index); -+ -+/* API for iptables set match, and SET target */ -+extern int ip_set_addip_kernel(ip_set_id_t id, -+ const struct sk_buff *skb, -+ const u_int32_t *flags); -+extern int ip_set_delip_kernel(ip_set_id_t id, -+ const struct sk_buff *skb, -+ const u_int32_t *flags); -+extern int ip_set_testip_kernel(ip_set_id_t id, -+ const struct sk_buff *skb, -+ const u_int32_t *flags); -+ -+/* Macros to generate functions */ -+ -+#define STRUCT(pre, type) CONCAT2(pre, type) -+#define CONCAT2(pre, type) struct pre##type -+ -+#define FNAME(pre, mid, post) CONCAT3(pre, mid, post) -+#define CONCAT3(pre, mid, post) pre##mid##post -+ -+#define UADT0(type, adt, args...) \ -+static int \ -+FNAME(type,_u,adt)(struct ip_set *set, const void *data, u_int32_t size,\ -+ ip_set_ip_t *hash_ip) \ -+{ \ -+ const STRUCT(ip_set_req_,type) *req = data; \ -+ \ -+ return FNAME(type,_,adt)(set, hash_ip , ## args); \ -+} -+ -+#define UADT(type, adt, args...) \ -+ UADT0(type, adt, req->ip , ## args) -+ -+#define KADT(type, adt, getfn, args...) \ -+static int \ -+FNAME(type,_k,adt)(struct ip_set *set, \ -+ const struct sk_buff *skb, \ -+ ip_set_ip_t *hash_ip, \ -+ const u_int32_t *flags, \ -+ unsigned char index) \ -+{ \ -+ ip_set_ip_t ip = getfn(skb, flags[index]); \ -+ \ -+ KADT_CONDITION \ -+ return FNAME(type,_,adt)(set, hash_ip, ip , ##args); \ -+} -+ -+#define REGISTER_MODULE(type) \ -+static int __init ip_set_##type##_init(void) \ -+{ \ -+ init_max_page_size(); \ -+ return ip_set_register_set_type(&ip_set_##type); \ -+} \ -+ \ -+static void __exit ip_set_##type##_fini(void) \ -+{ \ -+ /* FIXME: possible race with ip_set_create() */ \ -+ ip_set_unregister_set_type(&ip_set_##type); \ -+} \ -+ \ -+module_init(ip_set_##type##_init); \ -+module_exit(ip_set_##type##_fini); -+ -+/* Common functions */ -+ -+static inline ip_set_ip_t -+ipaddr(const struct sk_buff *skb, u_int32_t flag) -+{ -+ return ntohl(flag & IPSET_SRC ? ip_hdr(skb)->saddr : ip_hdr(skb)->daddr); -+} -+ -+#define jhash_ip(map, i, ip) jhash_1word(ip, *(map->initval + i)) -+ -+#define pack_ip_port(map, ip, port) \ -+ (port + ((ip - ((map)->first_ip)) << 16)) -+ -+#endif /* __KERNEL__ */ -+ -+#endif /*_IP_SET_H*/ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_bitmaps.h -@@ -0,0 +1,121 @@ -+#ifndef __IP_SET_BITMAPS_H -+#define __IP_SET_BITMAPS_H -+ -+/* Macros to generate functions */ -+ -+#ifdef __KERNEL__ -+#define BITMAP_CREATE(type) \ -+static int \ -+type##_create(struct ip_set *set, const void *data, u_int32_t size) \ -+{ \ -+ int newbytes; \ -+ const struct ip_set_req_##type##_create *req = data; \ -+ struct ip_set_##type *map; \ -+ \ -+ if (req->from > req->to) { \ -+ DP("bad range"); \ -+ return -ENOEXEC; \ -+ } \ -+ \ -+ map = kmalloc(sizeof(struct ip_set_##type), GFP_KERNEL); \ -+ if (!map) { \ -+ DP("out of memory for %zu bytes", \ -+ sizeof(struct ip_set_##type)); \ -+ return -ENOMEM; \ -+ } \ -+ map->first_ip = req->from; \ -+ map->last_ip = req->to; \ -+ \ -+ newbytes = __##type##_create(req, map); \ -+ if (newbytes < 0) { \ -+ kfree(map); \ -+ return newbytes; \ -+ } \ -+ \ -+ map->size = newbytes; \ -+ map->members = ip_set_malloc(newbytes); \ -+ if (!map->members) { \ -+ DP("out of memory for %i bytes", newbytes); \ -+ kfree(map); \ -+ return -ENOMEM; \ -+ } \ -+ memset(map->members, 0, newbytes); \ -+ \ -+ set->data = map; \ -+ return 0; \ -+} -+ -+#define BITMAP_DESTROY(type) \ -+static void \ -+type##_destroy(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data; \ -+ \ -+ ip_set_free(map->members, map->size); \ -+ kfree(map); \ -+ \ -+ set->data = NULL; \ -+} -+ -+#define BITMAP_FLUSH(type) \ -+static void \ -+type##_flush(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data; \ -+ memset(map->members, 0, map->size); \ -+} -+ -+#define BITMAP_LIST_HEADER(type) \ -+static void \ -+type##_list_header(const struct ip_set *set, void *data) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ struct ip_set_req_##type##_create *header = data; \ -+ \ -+ header->from = map->first_ip; \ -+ header->to = map->last_ip; \ -+ __##type##_list_header(map, header); \ -+} -+ -+#define BITMAP_LIST_MEMBERS_SIZE(type) \ -+static int \ -+type##_list_members_size(const struct ip_set *set) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ \ -+ return map->size; \ -+} -+ -+#define BITMAP_LIST_MEMBERS(type) \ -+static void \ -+type##_list_members(const struct ip_set *set, void *data) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ \ -+ memcpy(data, map->members, map->size); \ -+} -+ -+#define IP_SET_TYPE(type, __features) \ -+struct ip_set_type ip_set_##type = { \ -+ .typename = #type, \ -+ .features = __features, \ -+ .protocol_version = IP_SET_PROTOCOL_VERSION, \ -+ .create = &type##_create, \ -+ .destroy = &type##_destroy, \ -+ .flush = &type##_flush, \ -+ .reqsize = sizeof(struct ip_set_req_##type), \ -+ .addip = &type##_uadd, \ -+ .addip_kernel = &type##_kadd, \ -+ .delip = &type##_udel, \ -+ .delip_kernel = &type##_kdel, \ -+ .testip = &type##_utest, \ -+ .testip_kernel = &type##_ktest, \ -+ .header_size = sizeof(struct ip_set_req_##type##_create),\ -+ .list_header = &type##_list_header, \ -+ .list_members_size = &type##_list_members_size, \ -+ .list_members = &type##_list_members, \ -+ .me = THIS_MODULE, \ -+}; -+#endif /* __KERNEL */ -+ -+#endif /* __IP_SET_BITMAPS_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_compat.h -@@ -0,0 +1,71 @@ -+#ifndef _IP_SET_COMPAT_H -+#define _IP_SET_COMPAT_H -+ -+#ifdef __KERNEL__ -+#include <linux/version.h> -+ -+/* Arrgh */ -+#ifdef MODULE -+#define __MOD_INC(foo) __MOD_INC_USE_COUNT(foo) -+#define __MOD_DEC(foo) __MOD_DEC_USE_COUNT(foo) -+#else -+#define __MOD_INC(foo) 1 -+#define __MOD_DEC(foo) -+#endif -+ -+/* Backward compatibility */ -+#ifndef __nocast -+#define __nocast -+#endif -+#ifndef __bitwise__ -+#define __bitwise__ -+#endif -+ -+/* Compatibility glue code */ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) -+#include <linux/interrupt.h> -+#define DEFINE_RWLOCK(x) rwlock_t x = RW_LOCK_UNLOCKED -+#define try_module_get(x) __MOD_INC(x) -+#define module_put(x) __MOD_DEC(x) -+#define __clear_bit(nr, addr) clear_bit(nr, addr) -+#define __set_bit(nr, addr) set_bit(nr, addr) -+#define __test_and_set_bit(nr, addr) test_and_set_bit(nr, addr) -+#define __test_and_clear_bit(nr, addr) test_and_clear_bit(nr, addr) -+ -+typedef unsigned __bitwise__ gfp_t; -+ -+static inline void *kzalloc(size_t size, gfp_t flags) -+{ -+ void *data = kmalloc(size, flags); -+ -+ if (data) -+ memset(data, 0, size); -+ -+ return data; -+} -+#endif -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+#define __KMEM_CACHE_T__ kmem_cache_t -+#else -+#define __KMEM_CACHE_T__ struct kmem_cache -+#endif -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22) -+#define ip_hdr(skb) ((skb)->nh.iph) -+#define skb_mac_header(skb) ((skb)->mac.raw) -+#define eth_hdr(skb) ((struct ethhdr *)skb_mac_header(skb)) -+#endif -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -+#include <linux/netfilter.h> -+#define KMEM_CACHE_CREATE(name, size) \ -+ kmem_cache_create(name, size, 0, 0, NULL, NULL) -+#else -+#define KMEM_CACHE_CREATE(name, size) \ -+ kmem_cache_create(name, size, 0, 0, NULL) -+#endif -+ -+ -+#endif /* __KERNEL__ */ -+#endif /* _IP_SET_COMPAT_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_getport.h -@@ -0,0 +1,48 @@ -+#ifndef _IP_SET_GETPORT_H -+#define _IP_SET_GETPORT_H -+ -+#ifdef __KERNEL__ -+ -+#define INVALID_PORT (MAX_RANGE + 1) -+ -+/* We must handle non-linear skbs */ -+static inline ip_set_ip_t -+get_port(const struct sk_buff *skb, u_int32_t flags) -+{ -+ struct iphdr *iph = ip_hdr(skb); -+ u_int16_t offset = ntohs(iph->frag_off) & IP_OFFSET; -+ switch (iph->protocol) { -+ case IPPROTO_TCP: { -+ struct tcphdr tcph; -+ -+ /* See comments at tcp_match in ip_tables.c */ -+ if (offset) -+ return INVALID_PORT; -+ -+ if (skb_copy_bits(skb, ip_hdr(skb)->ihl*4, &tcph, sizeof(tcph)) < 0) -+ /* No choice either */ -+ return INVALID_PORT; -+ -+ return ntohs(flags & IPSET_SRC ? -+ tcph.source : tcph.dest); -+ } -+ case IPPROTO_UDP: { -+ struct udphdr udph; -+ -+ if (offset) -+ return INVALID_PORT; -+ -+ if (skb_copy_bits(skb, ip_hdr(skb)->ihl*4, &udph, sizeof(udph)) < 0) -+ /* No choice either */ -+ return INVALID_PORT; -+ -+ return ntohs(flags & IPSET_SRC ? -+ udph.source : udph.dest); -+ } -+ default: -+ return INVALID_PORT; -+ } -+} -+#endif /* __KERNEL__ */ -+ -+#endif /*_IP_SET_GETPORT_H*/ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_hashes.h -@@ -0,0 +1,306 @@ -+#ifndef __IP_SET_HASHES_H -+#define __IP_SET_HASHES_H -+ -+#define initval_t uint32_t -+ -+/* Macros to generate functions */ -+ -+#ifdef __KERNEL__ -+#define HASH_RETRY0(type, dtype, cond) \ -+static int \ -+type##_retry(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data, *tmp; \ -+ dtype *elem; \ -+ void *members; \ -+ u_int32_t i, hashsize = map->hashsize; \ -+ int res; \ -+ \ -+ if (map->resize == 0) \ -+ return -ERANGE; \ -+ \ -+ again: \ -+ res = 0; \ -+ \ -+ /* Calculate new hash size */ \ -+ hashsize += (hashsize * map->resize)/100; \ -+ if (hashsize == map->hashsize) \ -+ hashsize++; \ -+ \ -+ ip_set_printk("rehashing of set %s triggered: " \ -+ "hashsize grows from %lu to %lu", \ -+ set->name, \ -+ (long unsigned)map->hashsize, \ -+ (long unsigned)hashsize); \ -+ \ -+ tmp = kmalloc(sizeof(struct ip_set_##type) \ -+ + map->probes * sizeof(initval_t), GFP_ATOMIC); \ -+ if (!tmp) { \ -+ DP("out of memory for %zu bytes", \ -+ sizeof(struct ip_set_##type) \ -+ + map->probes * sizeof(initval_t)); \ -+ return -ENOMEM; \ -+ } \ -+ tmp->members = harray_malloc(hashsize, sizeof(dtype), GFP_ATOMIC);\ -+ if (!tmp->members) { \ -+ DP("out of memory for %zu bytes", hashsize * sizeof(dtype));\ -+ kfree(tmp); \ -+ return -ENOMEM; \ -+ } \ -+ tmp->hashsize = hashsize; \ -+ tmp->elements = 0; \ -+ tmp->probes = map->probes; \ -+ tmp->resize = map->resize; \ -+ memcpy(tmp->initval, map->initval, map->probes * sizeof(initval_t));\ -+ __##type##_retry(tmp, map); \ -+ \ -+ write_lock_bh(&set->lock); \ -+ map = set->data; /* Play safe */ \ -+ for (i = 0; i < map->hashsize && res == 0; i++) { \ -+ elem = HARRAY_ELEM(map->members, dtype *, i); \ -+ if (cond) \ -+ res = __##type##_add(tmp, elem); \ -+ } \ -+ if (res) { \ -+ /* Failure, try again */ \ -+ write_unlock_bh(&set->lock); \ -+ harray_free(tmp->members); \ -+ kfree(tmp); \ -+ goto again; \ -+ } \ -+ \ -+ /* Success at resizing! */ \ -+ members = map->members; \ -+ \ -+ map->hashsize = tmp->hashsize; \ -+ map->members = tmp->members; \ -+ write_unlock_bh(&set->lock); \ -+ \ -+ harray_free(members); \ -+ kfree(tmp); \ -+ \ -+ return 0; \ -+} -+ -+#define HASH_RETRY(type, dtype) \ -+ HASH_RETRY0(type, dtype, *elem) -+ -+#define HASH_RETRY2(type, dtype) \ -+ HASH_RETRY0(type, dtype, elem->ip || elem->ip1) -+ -+#define HASH_CREATE(type, dtype) \ -+static int \ -+type##_create(struct ip_set *set, const void *data, u_int32_t size) \ -+{ \ -+ const struct ip_set_req_##type##_create *req = data; \ -+ struct ip_set_##type *map; \ -+ uint16_t i; \ -+ \ -+ if (req->hashsize < 1) { \ -+ ip_set_printk("hashsize too small"); \ -+ return -ENOEXEC; \ -+ } \ -+ \ -+ if (req->probes < 1) { \ -+ ip_set_printk("probes too small"); \ -+ return -ENOEXEC; \ -+ } \ -+ \ -+ map = kmalloc(sizeof(struct ip_set_##type) \ -+ + req->probes * sizeof(initval_t), GFP_KERNEL); \ -+ if (!map) { \ -+ DP("out of memory for %zu bytes", \ -+ sizeof(struct ip_set_##type) \ -+ + req->probes * sizeof(initval_t)); \ -+ return -ENOMEM; \ -+ } \ -+ for (i = 0; i < req->probes; i++) \ -+ get_random_bytes(((initval_t *) map->initval)+i, 4); \ -+ map->elements = 0; \ -+ map->hashsize = req->hashsize; \ -+ map->probes = req->probes; \ -+ map->resize = req->resize; \ -+ if (__##type##_create(req, map)) { \ -+ kfree(map); \ -+ return -ENOEXEC; \ -+ } \ -+ map->members = harray_malloc(map->hashsize, sizeof(dtype), GFP_KERNEL);\ -+ if (!map->members) { \ -+ DP("out of memory for %zu bytes", map->hashsize * sizeof(dtype));\ -+ kfree(map); \ -+ return -ENOMEM; \ -+ } \ -+ \ -+ set->data = map; \ -+ return 0; \ -+} -+ -+#define HASH_DESTROY(type) \ -+static void \ -+type##_destroy(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data; \ -+ \ -+ harray_free(map->members); \ -+ kfree(map); \ -+ \ -+ set->data = NULL; \ -+} -+ -+#define HASH_FLUSH(type, dtype) \ -+static void \ -+type##_flush(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data; \ -+ harray_flush(map->members, map->hashsize, sizeof(dtype)); \ -+ map->elements = 0; \ -+} -+ -+#define HASH_FLUSH_CIDR(type, dtype) \ -+static void \ -+type##_flush(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data; \ -+ harray_flush(map->members, map->hashsize, sizeof(dtype)); \ -+ memset(map->cidr, 0, sizeof(map->cidr)); \ -+ memset(map->nets, 0, sizeof(map->nets)); \ -+ map->elements = 0; \ -+} -+ -+#define HASH_LIST_HEADER(type) \ -+static void \ -+type##_list_header(const struct ip_set *set, void *data) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ struct ip_set_req_##type##_create *header = data; \ -+ \ -+ header->hashsize = map->hashsize; \ -+ header->probes = map->probes; \ -+ header->resize = map->resize; \ -+ __##type##_list_header(map, header); \ -+} -+ -+#define HASH_LIST_MEMBERS_SIZE(type, dtype) \ -+static int \ -+type##_list_members_size(const struct ip_set *set) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ \ -+ return (map->hashsize * sizeof(dtype)); \ -+} -+ -+#define HASH_LIST_MEMBERS(type, dtype) \ -+static void \ -+type##_list_members(const struct ip_set *set, void *data) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ dtype *elem; \ -+ uint32_t i; \ -+ \ -+ for (i = 0; i < map->hashsize; i++) { \ -+ elem = HARRAY_ELEM(map->members, dtype *, i); \ -+ ((dtype *)data)[i] = *elem; \ -+ } \ -+} -+ -+#define HASH_LIST_MEMBERS_MEMCPY(type, dtype) \ -+static void \ -+type##_list_members(const struct ip_set *set, void *data) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ dtype *elem; \ -+ uint32_t i; \ -+ \ -+ for (i = 0; i < map->hashsize; i++) { \ -+ elem = HARRAY_ELEM(map->members, dtype *, i); \ -+ memcpy((((dtype *)data)+i), elem, sizeof(dtype)); \ -+ } \ -+} -+ -+#define IP_SET_RTYPE(type, __features) \ -+struct ip_set_type ip_set_##type = { \ -+ .typename = #type, \ -+ .features = __features, \ -+ .protocol_version = IP_SET_PROTOCOL_VERSION, \ -+ .create = &type##_create, \ -+ .retry = &type##_retry, \ -+ .destroy = &type##_destroy, \ -+ .flush = &type##_flush, \ -+ .reqsize = sizeof(struct ip_set_req_##type), \ -+ .addip = &type##_uadd, \ -+ .addip_kernel = &type##_kadd, \ -+ .delip = &type##_udel, \ -+ .delip_kernel = &type##_kdel, \ -+ .testip = &type##_utest, \ -+ .testip_kernel = &type##_ktest, \ -+ .header_size = sizeof(struct ip_set_req_##type##_create),\ -+ .list_header = &type##_list_header, \ -+ .list_members_size = &type##_list_members_size, \ -+ .list_members = &type##_list_members, \ -+ .me = THIS_MODULE, \ -+}; -+ -+/* Helper functions */ -+static inline void -+add_cidr_size(uint8_t *cidr, uint8_t size) -+{ -+ uint8_t next; -+ int i; -+ -+ for (i = 0; i < 30 && cidr[i]; i++) { -+ if (cidr[i] < size) { -+ next = cidr[i]; -+ cidr[i] = size; -+ size = next; -+ } -+ } -+ if (i < 30) -+ cidr[i] = size; -+} -+ -+static inline void -+del_cidr_size(uint8_t *cidr, uint8_t size) -+{ -+ int i; -+ -+ for (i = 0; i < 29 && cidr[i]; i++) { -+ if (cidr[i] == size) -+ cidr[i] = size = cidr[i+1]; -+ } -+ cidr[29] = 0; -+} -+#else -+#include <arpa/inet.h> -+#endif /* __KERNEL */ -+ -+#ifndef UINT16_MAX -+#define UINT16_MAX 65535 -+#endif -+ -+static unsigned char shifts[] = {255, 253, 249, 241, 225, 193, 129, 1}; -+ -+static inline ip_set_ip_t -+pack_ip_cidr(ip_set_ip_t ip, unsigned char cidr) -+{ -+ ip_set_ip_t addr, *paddr = &addr; -+ unsigned char n, t, *a; -+ -+ addr = htonl(ip & (0xFFFFFFFF << (32 - (cidr)))); -+#ifdef __KERNEL__ -+ DP("ip:%u.%u.%u.%u/%u", NIPQUAD(addr), cidr); -+#endif -+ n = cidr / 8; -+ t = cidr % 8; -+ a = &((unsigned char *)paddr)[n]; -+ *a = *a /(1 << (8 - t)) + shifts[t]; -+#ifdef __KERNEL__ -+ DP("n: %u, t: %u, a: %u", n, t, *a); -+ DP("ip:%u.%u.%u.%u/%u, %u.%u.%u.%u", -+ HIPQUAD(ip), cidr, NIPQUAD(addr)); -+#endif -+ -+ return ntohl(addr); -+} -+ -+ -+#endif /* __IP_SET_HASHES_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_iphash.h -@@ -0,0 +1,30 @@ -+#ifndef __IP_SET_IPHASH_H -+#define __IP_SET_IPHASH_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_hashes.h> -+ -+#define SETTYPE_NAME "iphash" -+ -+struct ip_set_iphash { -+ ip_set_ip_t *members; /* the iphash proper */ -+ uint32_t elements; /* number of elements */ -+ uint32_t hashsize; /* hash size */ -+ uint16_t probes; /* max number of probes */ -+ uint16_t resize; /* resize factor in percent */ -+ ip_set_ip_t netmask; /* netmask */ -+ initval_t initval[0]; /* initvals for jhash_1word */ -+}; -+ -+struct ip_set_req_iphash_create { -+ uint32_t hashsize; -+ uint16_t probes; -+ uint16_t resize; -+ ip_set_ip_t netmask; -+}; -+ -+struct ip_set_req_iphash { -+ ip_set_ip_t ip; -+}; -+ -+#endif /* __IP_SET_IPHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_ipmap.h -@@ -0,0 +1,57 @@ -+#ifndef __IP_SET_IPMAP_H -+#define __IP_SET_IPMAP_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+ -+#define SETTYPE_NAME "ipmap" -+ -+struct ip_set_ipmap { -+ void *members; /* the ipmap proper */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ ip_set_ip_t netmask; /* subnet netmask */ -+ ip_set_ip_t sizeid; /* size of set in IPs */ -+ ip_set_ip_t hosts; /* number of hosts in a subnet */ -+ u_int32_t size; /* size of the ipmap proper */ -+}; -+ -+struct ip_set_req_ipmap_create { -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+ ip_set_ip_t netmask; -+}; -+ -+struct ip_set_req_ipmap { -+ ip_set_ip_t ip; -+}; -+ -+static inline unsigned int -+mask_to_bits(ip_set_ip_t mask) -+{ -+ unsigned int bits = 32; -+ ip_set_ip_t maskaddr; -+ -+ if (mask == 0xFFFFFFFF) -+ return bits; -+ -+ maskaddr = 0xFFFFFFFE; -+ while (--bits > 0 && maskaddr != mask) -+ maskaddr <<= 1; -+ -+ return bits; -+} -+ -+static inline ip_set_ip_t -+range_to_mask(ip_set_ip_t from, ip_set_ip_t to, unsigned int *bits) -+{ -+ ip_set_ip_t mask = 0xFFFFFFFE; -+ -+ *bits = 32; -+ while (--(*bits) > 0 && mask && (to & mask) != from) -+ mask <<= 1; -+ -+ return mask; -+} -+ -+#endif /* __IP_SET_IPMAP_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_ipporthash.h -@@ -0,0 +1,33 @@ -+#ifndef __IP_SET_IPPORTHASH_H -+#define __IP_SET_IPPORTHASH_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_hashes.h> -+ -+#define SETTYPE_NAME "ipporthash" -+ -+struct ip_set_ipporthash { -+ ip_set_ip_t *members; /* the ipporthash proper */ -+ uint32_t elements; /* number of elements */ -+ uint32_t hashsize; /* hash size */ -+ uint16_t probes; /* max number of probes */ -+ uint16_t resize; /* resize factor in percent */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ initval_t initval[0]; /* initvals for jhash_1word */ -+}; -+ -+struct ip_set_req_ipporthash_create { -+ uint32_t hashsize; -+ uint16_t probes; -+ uint16_t resize; -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+}; -+ -+struct ip_set_req_ipporthash { -+ ip_set_ip_t ip; -+ ip_set_ip_t port; -+}; -+ -+#endif /* __IP_SET_IPPORTHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_ipportiphash.h -@@ -0,0 +1,39 @@ -+#ifndef __IP_SET_IPPORTIPHASH_H -+#define __IP_SET_IPPORTIPHASH_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_hashes.h> -+ -+#define SETTYPE_NAME "ipportiphash" -+ -+struct ipportip { -+ ip_set_ip_t ip; -+ ip_set_ip_t ip1; -+}; -+ -+struct ip_set_ipportiphash { -+ struct ipportip *members; /* the ipportip proper */ -+ uint32_t elements; /* number of elements */ -+ uint32_t hashsize; /* hash size */ -+ uint16_t probes; /* max number of probes */ -+ uint16_t resize; /* resize factor in percent */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ initval_t initval[0]; /* initvals for jhash_1word */ -+}; -+ -+struct ip_set_req_ipportiphash_create { -+ uint32_t hashsize; -+ uint16_t probes; -+ uint16_t resize; -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+}; -+ -+struct ip_set_req_ipportiphash { -+ ip_set_ip_t ip; -+ ip_set_ip_t port; -+ ip_set_ip_t ip1; -+}; -+ -+#endif /* __IP_SET_IPPORTIPHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_ipportnethash.h -@@ -0,0 +1,42 @@ -+#ifndef __IP_SET_IPPORTNETHASH_H -+#define __IP_SET_IPPORTNETHASH_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_hashes.h> -+ -+#define SETTYPE_NAME "ipportnethash" -+ -+struct ipportip { -+ ip_set_ip_t ip; -+ ip_set_ip_t ip1; -+}; -+ -+struct ip_set_ipportnethash { -+ struct ipportip *members; /* the ipportip proper */ -+ uint32_t elements; /* number of elements */ -+ uint32_t hashsize; /* hash size */ -+ uint16_t probes; /* max number of probes */ -+ uint16_t resize; /* resize factor in percent */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ uint8_t cidr[30]; /* CIDR sizes */ -+ uint16_t nets[30]; /* nr of nets by CIDR sizes */ -+ initval_t initval[0]; /* initvals for jhash_1word */ -+}; -+ -+struct ip_set_req_ipportnethash_create { -+ uint32_t hashsize; -+ uint16_t probes; -+ uint16_t resize; -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+}; -+ -+struct ip_set_req_ipportnethash { -+ ip_set_ip_t ip; -+ ip_set_ip_t port; -+ ip_set_ip_t ip1; -+ uint8_t cidr; -+}; -+ -+#endif /* __IP_SET_IPPORTNETHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_iptree.h -@@ -0,0 +1,39 @@ -+#ifndef __IP_SET_IPTREE_H -+#define __IP_SET_IPTREE_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+#define SETTYPE_NAME "iptree" -+ -+struct ip_set_iptreed { -+ unsigned long expires[256]; /* x.x.x.ADDR */ -+}; -+ -+struct ip_set_iptreec { -+ struct ip_set_iptreed *tree[256]; /* x.x.ADDR.* */ -+}; -+ -+struct ip_set_iptreeb { -+ struct ip_set_iptreec *tree[256]; /* x.ADDR.*.* */ -+}; -+ -+struct ip_set_iptree { -+ unsigned int timeout; -+ unsigned int gc_interval; -+#ifdef __KERNEL__ -+ uint32_t elements; /* number of elements */ -+ struct timer_list gc; -+ struct ip_set_iptreeb *tree[256]; /* ADDR.*.*.* */ -+#endif -+}; -+ -+struct ip_set_req_iptree_create { -+ unsigned int timeout; -+}; -+ -+struct ip_set_req_iptree { -+ ip_set_ip_t ip; -+ unsigned int timeout; -+}; -+ -+#endif /* __IP_SET_IPTREE_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_iptreemap.h -@@ -0,0 +1,40 @@ -+#ifndef __IP_SET_IPTREEMAP_H -+#define __IP_SET_IPTREEMAP_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+#define SETTYPE_NAME "iptreemap" -+ -+#ifdef __KERNEL__ -+struct ip_set_iptreemap_d { -+ unsigned char bitmap[32]; /* x.x.x.y */ -+}; -+ -+struct ip_set_iptreemap_c { -+ struct ip_set_iptreemap_d *tree[256]; /* x.x.y.x */ -+}; -+ -+struct ip_set_iptreemap_b { -+ struct ip_set_iptreemap_c *tree[256]; /* x.y.x.x */ -+ unsigned char dirty[32]; -+}; -+#endif -+ -+struct ip_set_iptreemap { -+ unsigned int gc_interval; -+#ifdef __KERNEL__ -+ struct timer_list gc; -+ struct ip_set_iptreemap_b *tree[256]; /* y.x.x.x */ -+#endif -+}; -+ -+struct ip_set_req_iptreemap_create { -+ unsigned int gc_interval; -+}; -+ -+struct ip_set_req_iptreemap { -+ ip_set_ip_t ip; -+ ip_set_ip_t end; -+}; -+ -+#endif /* __IP_SET_IPTREEMAP_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_jhash.h -@@ -0,0 +1,157 @@ -+#ifndef _LINUX_JHASH_H -+#define _LINUX_JHASH_H -+ -+/* jhash.h: Jenkins hash support. -+ * -+ * Copyright (C) 2006. Bob Jenkins (bob_jenkins@burtleburtle.net) -+ * -+ * http://burtleburtle.net/bob/hash/ -+ * -+ * These are the credits from Bob's sources: -+ * -+ * lookup3.c, by Bob Jenkins, May 2006, Public Domain. -+ * -+ * These are functions for producing 32-bit hashes for hash table lookup. -+ * hashword(), hashlittle(), hashlittle2(), hashbig(), mix(), and final() -+ * are externally useful functions. Routines to test the hash are included -+ * if SELF_TEST is defined. You can use this free for any purpose. It's in -+ * the public domain. It has no warranty. -+ * -+ * Copyright (C) 2009 Jozsef Kadlecsik (kadlec@blackhole.kfki.hu) -+ * -+ * I've modified Bob's hash to be useful in the Linux kernel, and -+ * any bugs present are my fault. Jozsef -+ */ -+ -+#define __rot(x,k) (((x)<<(k)) | ((x)>>(32-(k)))) -+ -+/* __jhash_mix - mix 3 32-bit values reversibly. */ -+#define __jhash_mix(a,b,c) \ -+{ \ -+ a -= c; a ^= __rot(c, 4); c += b; \ -+ b -= a; b ^= __rot(a, 6); a += c; \ -+ c -= b; c ^= __rot(b, 8); b += a; \ -+ a -= c; a ^= __rot(c,16); c += b; \ -+ b -= a; b ^= __rot(a,19); a += c; \ -+ c -= b; c ^= __rot(b, 4); b += a; \ -+} -+ -+/* __jhash_final - final mixing of 3 32-bit values (a,b,c) into c */ -+#define __jhash_final(a,b,c) \ -+{ \ -+ c ^= b; c -= __rot(b,14); \ -+ a ^= c; a -= __rot(c,11); \ -+ b ^= a; b -= __rot(a,25); \ -+ c ^= b; c -= __rot(b,16); \ -+ a ^= c; a -= __rot(c,4); \ -+ b ^= a; b -= __rot(a,14); \ -+ c ^= b; c -= __rot(b,24); \ -+} -+ -+/* The golden ration: an arbitrary value */ -+#define JHASH_GOLDEN_RATIO 0xdeadbeef -+ -+/* The most generic version, hashes an arbitrary sequence -+ * of bytes. No alignment or length assumptions are made about -+ * the input key. The result depends on endianness. -+ */ -+static inline u32 jhash(const void *key, u32 length, u32 initval) -+{ -+ u32 a,b,c; -+ const u8 *k = key; -+ -+ /* Set up the internal state */ -+ a = b = c = JHASH_GOLDEN_RATIO + length + initval; -+ -+ /* all but the last block: affect some 32 bits of (a,b,c) */ -+ while (length > 12) { -+ a += (k[0] + ((u32)k[1]<<8) + ((u32)k[2]<<16) + ((u32)k[3]<<24)); -+ b += (k[4] + ((u32)k[5]<<8) + ((u32)k[6]<<16) + ((u32)k[7]<<24)); -+ c += (k[8] + ((u32)k[9]<<8) + ((u32)k[10]<<16) + ((u32)k[11]<<24)); -+ __jhash_mix(a, b, c); -+ length -= 12; -+ k += 12; -+ } -+ -+ /* last block: affect all 32 bits of (c) */ -+ /* all the case statements fall through */ -+ switch (length) { -+ case 12: c += (u32)k[11]<<24; -+ case 11: c += (u32)k[10]<<16; -+ case 10: c += (u32)k[9]<<8; -+ case 9 : c += k[8]; -+ case 8 : b += (u32)k[7]<<24; -+ case 7 : b += (u32)k[6]<<16; -+ case 6 : b += (u32)k[5]<<8; -+ case 5 : b += k[4]; -+ case 4 : a += (u32)k[3]<<24; -+ case 3 : a += (u32)k[2]<<16; -+ case 2 : a += (u32)k[1]<<8; -+ case 1 : a += k[0]; -+ __jhash_final(a, b, c); -+ case 0 : -+ break; -+ } -+ -+ return c; -+} -+ -+/* A special optimized version that handles 1 or more of u32s. -+ * The length parameter here is the number of u32s in the key. -+ */ -+static inline u32 jhash2(const u32 *k, u32 length, u32 initval) -+{ -+ u32 a, b, c; -+ -+ /* Set up the internal state */ -+ a = b = c = JHASH_GOLDEN_RATIO + (length<<2) + initval; -+ -+ /* handle most of the key */ -+ while (length > 3) { -+ a += k[0]; -+ b += k[1]; -+ c += k[2]; -+ __jhash_mix(a, b, c); -+ length -= 3; -+ k += 3; -+ } -+ -+ /* handle the last 3 u32's */ -+ /* all the case statements fall through */ -+ switch (length) { -+ case 3: c += k[2]; -+ case 2: b += k[1]; -+ case 1: a += k[0]; -+ __jhash_final(a, b, c); -+ case 0: /* case 0: nothing left to add */ -+ break; -+ } -+ -+ return c; -+} -+ -+/* A special ultra-optimized versions that knows they are hashing exactly -+ * 3, 2 or 1 word(s). -+ */ -+static inline u32 jhash_3words(u32 a, u32 b, u32 c, u32 initval) -+{ -+ a += JHASH_GOLDEN_RATIO + initval; -+ b += JHASH_GOLDEN_RATIO + initval; -+ c += JHASH_GOLDEN_RATIO + initval; -+ -+ __jhash_final(a, b, c); -+ -+ return c; -+} -+ -+static inline u32 jhash_2words(u32 a, u32 b, u32 initval) -+{ -+ return jhash_3words(0, a, b, initval); -+} -+ -+static inline u32 jhash_1word(u32 a, u32 initval) -+{ -+ return jhash_3words(0, 0, a, initval); -+} -+ -+#endif /* _LINUX_JHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_macipmap.h -@@ -0,0 +1,39 @@ -+#ifndef __IP_SET_MACIPMAP_H -+#define __IP_SET_MACIPMAP_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+ -+#define SETTYPE_NAME "macipmap" -+ -+/* general flags */ -+#define IPSET_MACIP_MATCHUNSET 1 -+ -+/* per ip flags */ -+#define IPSET_MACIP_ISSET 1 -+ -+struct ip_set_macipmap { -+ void *members; /* the macipmap proper */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ u_int32_t flags; -+ u_int32_t size; /* size of the ipmap proper */ -+}; -+ -+struct ip_set_req_macipmap_create { -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+ u_int32_t flags; -+}; -+ -+struct ip_set_req_macipmap { -+ ip_set_ip_t ip; -+ unsigned char ethernet[ETH_ALEN]; -+}; -+ -+struct ip_set_macip { -+ unsigned short match; -+ unsigned char ethernet[ETH_ALEN]; -+}; -+ -+#endif /* __IP_SET_MACIPMAP_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_malloc.h -@@ -0,0 +1,153 @@ -+#ifndef _IP_SET_MALLOC_H -+#define _IP_SET_MALLOC_H -+ -+#ifdef __KERNEL__ -+#include <linux/vmalloc.h> -+ -+static size_t max_malloc_size = 0, max_page_size = 0; -+static size_t default_max_malloc_size = 131072; /* Guaranteed: slab.c */ -+ -+static inline int init_max_page_size(void) -+{ -+/* Compatibility glues to support 2.4.36 */ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) -+#define __GFP_NOWARN 0 -+ -+ /* Guaranteed: slab.c */ -+ max_malloc_size = max_page_size = default_max_malloc_size; -+#else -+ size_t page_size = 0; -+ -+#define CACHE(x) if (max_page_size == 0 || x < max_page_size) \ -+ page_size = x; -+#include <linux/kmalloc_sizes.h> -+#undef CACHE -+ if (page_size) { -+ if (max_malloc_size == 0) -+ max_malloc_size = page_size; -+ -+ max_page_size = page_size; -+ -+ return 1; -+ } -+#endif -+ return 0; -+} -+ -+struct harray { -+ size_t max_elements; -+ void *arrays[0]; -+}; -+ -+static inline void * -+__harray_malloc(size_t hashsize, size_t typesize, gfp_t flags) -+{ -+ struct harray *harray; -+ size_t max_elements, size, i, j; -+ -+ BUG_ON(max_page_size == 0); -+ -+ if (typesize > max_page_size) -+ return NULL; -+ -+ max_elements = max_page_size/typesize; -+ size = hashsize/max_elements; -+ if (hashsize % max_elements) -+ size++; -+ -+ /* Last pointer signals end of arrays */ -+ harray = kmalloc(sizeof(struct harray) + (size + 1) * sizeof(void *), -+ flags); -+ -+ if (!harray) -+ return NULL; -+ -+ for (i = 0; i < size - 1; i++) { -+ harray->arrays[i] = kmalloc(max_elements * typesize, flags); -+ if (!harray->arrays[i]) -+ goto undo; -+ memset(harray->arrays[i], 0, max_elements * typesize); -+ } -+ harray->arrays[i] = kmalloc((hashsize - i * max_elements) * typesize, -+ flags); -+ if (!harray->arrays[i]) -+ goto undo; -+ memset(harray->arrays[i], 0, (hashsize - i * max_elements) * typesize); -+ -+ harray->max_elements = max_elements; -+ harray->arrays[size] = NULL; -+ -+ return (void *)harray; -+ -+ undo: -+ for (j = 0; j < i; j++) { -+ kfree(harray->arrays[j]); -+ } -+ kfree(harray); -+ return NULL; -+} -+ -+static inline void * -+harray_malloc(size_t hashsize, size_t typesize, gfp_t flags) -+{ -+ void *harray; -+ -+ do { -+ harray = __harray_malloc(hashsize, typesize, flags|__GFP_NOWARN); -+ } while (harray == NULL && init_max_page_size()); -+ -+ return harray; -+} -+ -+static inline void harray_free(void *h) -+{ -+ struct harray *harray = (struct harray *) h; -+ size_t i; -+ -+ for (i = 0; harray->arrays[i] != NULL; i++) -+ kfree(harray->arrays[i]); -+ kfree(harray); -+} -+ -+static inline void harray_flush(void *h, size_t hashsize, size_t typesize) -+{ -+ struct harray *harray = (struct harray *) h; -+ size_t i; -+ -+ for (i = 0; harray->arrays[i+1] != NULL; i++) -+ memset(harray->arrays[i], 0, harray->max_elements * typesize); -+ memset(harray->arrays[i], 0, -+ (hashsize - i * harray->max_elements) * typesize); -+} -+ -+#define HARRAY_ELEM(h, type, which) \ -+({ \ -+ struct harray *__h = (struct harray *)(h); \ -+ ((type)((__h)->arrays[(which)/(__h)->max_elements]) \ -+ + (which)%(__h)->max_elements); \ -+}) -+ -+/* General memory allocation and deallocation */ -+static inline void * ip_set_malloc(size_t bytes) -+{ -+ BUG_ON(max_malloc_size == 0); -+ -+ if (bytes > default_max_malloc_size) -+ return vmalloc(bytes); -+ else -+ return kmalloc(bytes, GFP_KERNEL | __GFP_NOWARN); -+} -+ -+static inline void ip_set_free(void * data, size_t bytes) -+{ -+ BUG_ON(max_malloc_size == 0); -+ -+ if (bytes > default_max_malloc_size) -+ vfree(data); -+ else -+ kfree(data); -+} -+ -+#endif /* __KERNEL__ */ -+ -+#endif /*_IP_SET_MALLOC_H*/ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_nethash.h -@@ -0,0 +1,31 @@ -+#ifndef __IP_SET_NETHASH_H -+#define __IP_SET_NETHASH_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_hashes.h> -+ -+#define SETTYPE_NAME "nethash" -+ -+struct ip_set_nethash { -+ ip_set_ip_t *members; /* the nethash proper */ -+ uint32_t elements; /* number of elements */ -+ uint32_t hashsize; /* hash size */ -+ uint16_t probes; /* max number of probes */ -+ uint16_t resize; /* resize factor in percent */ -+ uint8_t cidr[30]; /* CIDR sizes */ -+ uint16_t nets[30]; /* nr of nets by CIDR sizes */ -+ initval_t initval[0]; /* initvals for jhash_1word */ -+}; -+ -+struct ip_set_req_nethash_create { -+ uint32_t hashsize; -+ uint16_t probes; -+ uint16_t resize; -+}; -+ -+struct ip_set_req_nethash { -+ ip_set_ip_t ip; -+ uint8_t cidr; -+}; -+ -+#endif /* __IP_SET_NETHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_portmap.h -@@ -0,0 +1,25 @@ -+#ifndef __IP_SET_PORTMAP_H -+#define __IP_SET_PORTMAP_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+ -+#define SETTYPE_NAME "portmap" -+ -+struct ip_set_portmap { -+ void *members; /* the portmap proper */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ u_int32_t size; /* size of the ipmap proper */ -+}; -+ -+struct ip_set_req_portmap_create { -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+}; -+ -+struct ip_set_req_portmap { -+ ip_set_ip_t ip; -+}; -+ -+#endif /* __IP_SET_PORTMAP_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_setlist.h -@@ -0,0 +1,26 @@ -+#ifndef __IP_SET_SETLIST_H -+#define __IP_SET_SETLIST_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+#define SETTYPE_NAME "setlist" -+ -+#define IP_SET_SETLIST_ADD_AFTER 0 -+#define IP_SET_SETLIST_ADD_BEFORE 1 -+ -+struct ip_set_setlist { -+ uint8_t size; -+ ip_set_id_t index[0]; -+}; -+ -+struct ip_set_req_setlist_create { -+ uint8_t size; -+}; -+ -+struct ip_set_req_setlist { -+ char name[IP_SET_MAXNAMELEN]; -+ char ref[IP_SET_MAXNAMELEN]; -+ uint8_t before; -+}; -+ -+#endif /* __IP_SET_SETLIST_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ipt_set.h -@@ -0,0 +1,21 @@ -+#ifndef _IPT_SET_H -+#define _IPT_SET_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+struct ipt_set_info { -+ ip_set_id_t index; -+ u_int32_t flags[IP_SET_MAX_BINDINGS + 1]; -+}; -+ -+/* match info */ -+struct ipt_set_info_match { -+ struct ipt_set_info match_set; -+}; -+ -+struct ipt_set_info_target { -+ struct ipt_set_info add_set; -+ struct ipt_set_info del_set; -+}; -+ -+#endif /*_IPT_SET_H*/ ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set.c -@@ -0,0 +1,2076 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module for IP set management */ -+ -+#include <linux/version.h> -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+#include <linux/config.h> -+#endif -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/kmod.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/random.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <linux/capability.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27) -+#include <asm/semaphore.h> -+#else -+#include <linux/semaphore.h> -+#endif -+#include <linux/spinlock.h> -+ -+#define ASSERT_READ_LOCK(x) -+#define ASSERT_WRITE_LOCK(x) -+#include <linux/netfilter.h> -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+static struct list_head set_type_list; /* all registered sets */ -+static struct ip_set **ip_set_list; /* all individual sets */ -+static DEFINE_RWLOCK(ip_set_lock); /* protects the lists and the hash */ -+static DECLARE_MUTEX(ip_set_app_mutex); /* serializes user access */ -+static ip_set_id_t ip_set_max = CONFIG_IP_NF_SET_MAX; -+static ip_set_id_t ip_set_bindings_hash_size = CONFIG_IP_NF_SET_HASHSIZE; -+static struct list_head *ip_set_hash; /* hash of bindings */ -+static unsigned int ip_set_hash_random; /* random seed */ -+ -+#define SETNAME_EQ(a,b) (strncmp(a,b,IP_SET_MAXNAMELEN) == 0) -+ -+/* -+ * Sets are identified either by the index in ip_set_list or by id. -+ * The id never changes and is used to find a key in the hash. -+ * The index may change by swapping and used at all other places -+ * (set/SET netfilter modules, binding value, etc.) -+ * -+ * Userspace requests are serialized by ip_set_mutex and sets can -+ * be deleted only from userspace. Therefore ip_set_list locking -+ * must obey the following rules: -+ * -+ * - kernel requests: read and write locking mandatory -+ * - user requests: read locking optional, write locking mandatory -+ */ -+ -+static inline void -+__ip_set_get(ip_set_id_t index) -+{ -+ atomic_inc(&ip_set_list[index]->ref); -+} -+ -+static inline void -+__ip_set_put(ip_set_id_t index) -+{ -+ atomic_dec(&ip_set_list[index]->ref); -+} -+ -+/* -+ * Binding routines -+ */ -+ -+static inline struct ip_set_hash * -+__ip_set_find(u_int32_t key, ip_set_id_t id, ip_set_ip_t ip) -+{ -+ struct ip_set_hash *set_hash; -+ -+ list_for_each_entry(set_hash, &ip_set_hash[key], list) -+ if (set_hash->id == id && set_hash->ip == ip) -+ return set_hash; -+ -+ return NULL; -+} -+ -+static ip_set_id_t -+ip_set_find_in_hash(ip_set_id_t id, ip_set_ip_t ip) -+{ -+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random) -+ % ip_set_bindings_hash_size; -+ struct ip_set_hash *set_hash; -+ -+ ASSERT_READ_LOCK(&ip_set_lock); -+ IP_SET_ASSERT(ip_set_list[id]); -+ DP("set: %s, ip: %u.%u.%u.%u", ip_set_list[id]->name, HIPQUAD(ip)); -+ -+ set_hash = __ip_set_find(key, id, ip); -+ -+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name, -+ HIPQUAD(ip), -+ set_hash != NULL ? ip_set_list[set_hash->binding]->name : ""); -+ -+ return (set_hash != NULL ? set_hash->binding : IP_SET_INVALID_ID); -+} -+ -+static inline void -+__set_hash_del(struct ip_set_hash *set_hash) -+{ -+ ASSERT_WRITE_LOCK(&ip_set_lock); -+ IP_SET_ASSERT(ip_set_list[set_hash->binding]); -+ -+ __ip_set_put(set_hash->binding); -+ list_del(&set_hash->list); -+ kfree(set_hash); -+} -+ -+static int -+ip_set_hash_del(ip_set_id_t id, ip_set_ip_t ip) -+{ -+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random) -+ % ip_set_bindings_hash_size; -+ struct ip_set_hash *set_hash; -+ -+ IP_SET_ASSERT(ip_set_list[id]); -+ DP("set: %s, ip: %u.%u.%u.%u", ip_set_list[id]->name, HIPQUAD(ip)); -+ write_lock_bh(&ip_set_lock); -+ set_hash = __ip_set_find(key, id, ip); -+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name, -+ HIPQUAD(ip), -+ set_hash != NULL ? ip_set_list[set_hash->binding]->name : ""); -+ -+ if (set_hash != NULL) -+ __set_hash_del(set_hash); -+ write_unlock_bh(&ip_set_lock); -+ return 0; -+} -+ -+static int -+ip_set_hash_add(ip_set_id_t id, ip_set_ip_t ip, ip_set_id_t binding) -+{ -+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random) -+ % ip_set_bindings_hash_size; -+ struct ip_set_hash *set_hash; -+ int ret = 0; -+ -+ IP_SET_ASSERT(ip_set_list[id]); -+ IP_SET_ASSERT(ip_set_list[binding]); -+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name, -+ HIPQUAD(ip), ip_set_list[binding]->name); -+ write_lock_bh(&ip_set_lock); -+ set_hash = __ip_set_find(key, id, ip); -+ if (!set_hash) { -+ set_hash = kmalloc(sizeof(struct ip_set_hash), GFP_ATOMIC); -+ if (!set_hash) { -+ ret = -ENOMEM; -+ goto unlock; -+ } -+ INIT_LIST_HEAD(&set_hash->list); -+ set_hash->id = id; -+ set_hash->ip = ip; -+ list_add(&set_hash->list, &ip_set_hash[key]); -+ } else { -+ IP_SET_ASSERT(ip_set_list[set_hash->binding]); -+ DP("overwrite binding: %s", -+ ip_set_list[set_hash->binding]->name); -+ __ip_set_put(set_hash->binding); -+ } -+ set_hash->binding = binding; -+ __ip_set_get(set_hash->binding); -+ DP("stored: key %u, id %u (%s), ip %u.%u.%u.%u, binding %u (%s)", -+ key, id, ip_set_list[id]->name, -+ HIPQUAD(ip), binding, ip_set_list[binding]->name); -+ unlock: -+ write_unlock_bh(&ip_set_lock); -+ return ret; -+} -+ -+#define FOREACH_HASH_DO(fn, args...) \ -+({ \ -+ ip_set_id_t __key; \ -+ struct ip_set_hash *__set_hash; \ -+ \ -+ for (__key = 0; __key < ip_set_bindings_hash_size; __key++) { \ -+ list_for_each_entry(__set_hash, &ip_set_hash[__key], list) \ -+ fn(__set_hash , ## args); \ -+ } \ -+}) -+ -+#define FOREACH_HASH_RW_DO(fn, args...) \ -+({ \ -+ ip_set_id_t __key; \ -+ struct ip_set_hash *__set_hash, *__n; \ -+ \ -+ ASSERT_WRITE_LOCK(&ip_set_lock); \ -+ for (__key = 0; __key < ip_set_bindings_hash_size; __key++) { \ -+ list_for_each_entry_safe(__set_hash, __n, &ip_set_hash[__key], list)\ -+ fn(__set_hash , ## args); \ -+ } \ -+}) -+ -+/* Add, del and test set entries from kernel */ -+ -+#define follow_bindings(index, set, ip) \ -+((index = ip_set_find_in_hash((set)->id, ip)) != IP_SET_INVALID_ID \ -+ || (index = (set)->binding) != IP_SET_INVALID_ID) -+ -+int -+ip_set_testip_kernel(ip_set_id_t index, -+ const struct sk_buff *skb, -+ const u_int32_t *flags) -+{ -+ struct ip_set *set; -+ ip_set_ip_t ip; -+ int res; -+ unsigned char i = 0; -+ -+ IP_SET_ASSERT(flags[i]); -+ read_lock_bh(&ip_set_lock); -+ do { -+ set = ip_set_list[index]; -+ IP_SET_ASSERT(set); -+ DP("set %s, index %u", set->name, index); -+ read_lock_bh(&set->lock); -+ res = set->type->testip_kernel(set, skb, &ip, flags, i++); -+ read_unlock_bh(&set->lock); -+ i += !!(set->type->features & IPSET_DATA_DOUBLE); -+ } while (res > 0 -+ && flags[i] -+ && follow_bindings(index, set, ip)); -+ read_unlock_bh(&ip_set_lock); -+ -+ return (res < 0 ? 0 : res); -+} -+ -+int -+ip_set_addip_kernel(ip_set_id_t index, -+ const struct sk_buff *skb, -+ const u_int32_t *flags) -+{ -+ struct ip_set *set; -+ ip_set_ip_t ip; -+ int res; -+ unsigned char i = 0; -+ -+ IP_SET_ASSERT(flags[i]); -+ retry: -+ read_lock_bh(&ip_set_lock); -+ do { -+ set = ip_set_list[index]; -+ IP_SET_ASSERT(set); -+ DP("set %s, index %u", set->name, index); -+ write_lock_bh(&set->lock); -+ res = set->type->addip_kernel(set, skb, &ip, flags, i++); -+ write_unlock_bh(&set->lock); -+ i += !!(set->type->features & IPSET_DATA_DOUBLE); -+ } while ((res == 0 || res == -EEXIST) -+ && flags[i] -+ && follow_bindings(index, set, ip)); -+ read_unlock_bh(&ip_set_lock); -+ -+ if (res == -EAGAIN -+ && set->type->retry -+ && (res = set->type->retry(set)) == 0) -+ goto retry; -+ -+ return res; -+} -+ -+int -+ip_set_delip_kernel(ip_set_id_t index, -+ const struct sk_buff *skb, -+ const u_int32_t *flags) -+{ -+ struct ip_set *set; -+ ip_set_ip_t ip; -+ int res; -+ unsigned char i = 0; -+ -+ IP_SET_ASSERT(flags[i]); -+ read_lock_bh(&ip_set_lock); -+ do { -+ set = ip_set_list[index]; -+ IP_SET_ASSERT(set); -+ DP("set %s, index %u", set->name, index); -+ write_lock_bh(&set->lock); -+ res = set->type->delip_kernel(set, skb, &ip, flags, i++); -+ write_unlock_bh(&set->lock); -+ i += !!(set->type->features & IPSET_DATA_DOUBLE); -+ } while ((res == 0 || res == -EEXIST) -+ && flags[i] -+ && follow_bindings(index, set, ip)); -+ read_unlock_bh(&ip_set_lock); -+ -+ return res; -+} -+ -+/* Register and deregister settype */ -+ -+static inline struct ip_set_type * -+find_set_type(const char *name) -+{ -+ struct ip_set_type *set_type; -+ -+ list_for_each_entry(set_type, &set_type_list, list) -+ if (!strncmp(set_type->typename, name, IP_SET_MAXNAMELEN - 1)) -+ return set_type; -+ return NULL; -+} -+ -+int -+ip_set_register_set_type(struct ip_set_type *set_type) -+{ -+ int ret = 0; -+ -+ if (set_type->protocol_version != IP_SET_PROTOCOL_VERSION) { -+ ip_set_printk("'%s' uses wrong protocol version %u (want %u)", -+ set_type->typename, -+ set_type->protocol_version, -+ IP_SET_PROTOCOL_VERSION); -+ return -EINVAL; -+ } -+ -+ write_lock_bh(&ip_set_lock); -+ if (find_set_type(set_type->typename)) { -+ /* Duplicate! */ -+ ip_set_printk("'%s' already registered!", -+ set_type->typename); -+ ret = -EINVAL; -+ goto unlock; -+ } -+ if (!try_module_get(THIS_MODULE)) { -+ ret = -EFAULT; -+ goto unlock; -+ } -+ list_add(&set_type->list, &set_type_list); -+ DP("'%s' registered.", set_type->typename); -+ unlock: -+ write_unlock_bh(&ip_set_lock); -+ return ret; -+} -+ -+void -+ip_set_unregister_set_type(struct ip_set_type *set_type) -+{ -+ write_lock_bh(&ip_set_lock); -+ if (!find_set_type(set_type->typename)) { -+ ip_set_printk("'%s' not registered?", -+ set_type->typename); -+ goto unlock; -+ } -+ list_del(&set_type->list); -+ module_put(THIS_MODULE); -+ DP("'%s' unregistered.", set_type->typename); -+ unlock: -+ write_unlock_bh(&ip_set_lock); -+ -+} -+ -+ip_set_id_t -+__ip_set_get_byname(const char *name, struct ip_set **set) -+{ -+ ip_set_id_t i, index = IP_SET_INVALID_ID; -+ -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && SETNAME_EQ(ip_set_list[i]->name, name)) { -+ __ip_set_get(i); -+ index = i; -+ *set = ip_set_list[i]; -+ break; -+ } -+ } -+ return index; -+} -+ -+void __ip_set_put_byindex(ip_set_id_t index) -+{ -+ if (ip_set_list[index]) -+ __ip_set_put(index); -+} -+ -+/* -+ * Userspace routines -+ */ -+ -+/* -+ * Find set by name, reference it once. The reference makes sure the -+ * thing pointed to, does not go away under our feet. Drop the reference -+ * later, using ip_set_put(). -+ */ -+ip_set_id_t -+ip_set_get_byname(const char *name) -+{ -+ ip_set_id_t i, index = IP_SET_INVALID_ID; -+ -+ down(&ip_set_app_mutex); -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && SETNAME_EQ(ip_set_list[i]->name, name)) { -+ __ip_set_get(i); -+ index = i; -+ break; -+ } -+ } -+ up(&ip_set_app_mutex); -+ return index; -+} -+ -+/* -+ * Find set by index, reference it once. The reference makes sure the -+ * thing pointed to, does not go away under our feet. Drop the reference -+ * later, using ip_set_put(). -+ */ -+ip_set_id_t -+ip_set_get_byindex(ip_set_id_t index) -+{ -+ down(&ip_set_app_mutex); -+ -+ if (index >= ip_set_max) -+ return IP_SET_INVALID_ID; -+ -+ if (ip_set_list[index]) -+ __ip_set_get(index); -+ else -+ index = IP_SET_INVALID_ID; -+ -+ up(&ip_set_app_mutex); -+ return index; -+} -+ -+/* -+ * Find the set id belonging to the index. -+ * We are protected by the mutex, so we do not need to use -+ * ip_set_lock. There is no need to reference the sets either. -+ */ -+ip_set_id_t -+ip_set_id(ip_set_id_t index) -+{ -+ if (index >= ip_set_max || !ip_set_list[index]) -+ return IP_SET_INVALID_ID; -+ -+ return ip_set_list[index]->id; -+} -+ -+/* -+ * If the given set pointer points to a valid set, decrement -+ * reference count by 1. The caller shall not assume the index -+ * to be valid, after calling this function. -+ */ -+void ip_set_put_byindex(ip_set_id_t index) -+{ -+ down(&ip_set_app_mutex); -+ if (ip_set_list[index]) -+ __ip_set_put(index); -+ up(&ip_set_app_mutex); -+} -+ -+/* Find a set by name or index */ -+static ip_set_id_t -+ip_set_find_byname(const char *name) -+{ -+ ip_set_id_t i, index = IP_SET_INVALID_ID; -+ -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && SETNAME_EQ(ip_set_list[i]->name, name)) { -+ index = i; -+ break; -+ } -+ } -+ return index; -+} -+ -+static ip_set_id_t -+ip_set_find_byindex(ip_set_id_t index) -+{ -+ if (index >= ip_set_max || ip_set_list[index] == NULL) -+ index = IP_SET_INVALID_ID; -+ -+ return index; -+} -+ -+/* -+ * Add, del, test, bind and unbind -+ */ -+ -+static inline int -+__ip_set_testip(struct ip_set *set, -+ const void *data, -+ u_int32_t size, -+ ip_set_ip_t *ip) -+{ -+ int res; -+ -+ read_lock_bh(&set->lock); -+ res = set->type->testip(set, data, size, ip); -+ read_unlock_bh(&set->lock); -+ -+ return res; -+} -+ -+static int -+__ip_set_addip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ do { -+ write_lock_bh(&set->lock); -+ res = set->type->addip(set, data, size, &ip); -+ write_unlock_bh(&set->lock); -+ } while (res == -EAGAIN -+ && set->type->retry -+ && (res = set->type->retry(set)) == 0); -+ -+ return res; -+} -+ -+static int -+ip_set_addip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ -+ IP_SET_ASSERT(set); -+ -+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) { -+ ip_set_printk("data length wrong (want %lu, have %zu)", -+ (long unsigned)set->type->reqsize, -+ size - sizeof(struct ip_set_req_adt)); -+ return -EINVAL; -+ } -+ return __ip_set_addip(index, -+ data + sizeof(struct ip_set_req_adt), -+ size - sizeof(struct ip_set_req_adt)); -+} -+ -+static int -+ip_set_delip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ -+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) { -+ ip_set_printk("data length wrong (want %lu, have %zu)", -+ (long unsigned)set->type->reqsize, -+ size - sizeof(struct ip_set_req_adt)); -+ return -EINVAL; -+ } -+ write_lock_bh(&set->lock); -+ res = set->type->delip(set, -+ data + sizeof(struct ip_set_req_adt), -+ size - sizeof(struct ip_set_req_adt), -+ &ip); -+ write_unlock_bh(&set->lock); -+ -+ return res; -+} -+ -+static int -+ip_set_testip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ -+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) { -+ ip_set_printk("data length wrong (want %lu, have %zu)", -+ (long unsigned)set->type->reqsize, -+ size - sizeof(struct ip_set_req_adt)); -+ return -EINVAL; -+ } -+ res = __ip_set_testip(set, -+ data + sizeof(struct ip_set_req_adt), -+ size - sizeof(struct ip_set_req_adt), -+ &ip); -+ -+ return (res > 0 ? -EEXIST : res); -+} -+ -+static int -+ip_set_bindip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ const struct ip_set_req_bind *req_bind; -+ ip_set_id_t binding; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ if (size < sizeof(struct ip_set_req_bind)) -+ return -EINVAL; -+ -+ req_bind = data; -+ -+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) { -+ /* Default binding of a set */ -+ const char *binding_name; -+ -+ if (size != sizeof(struct ip_set_req_bind) + IP_SET_MAXNAMELEN) -+ return -EINVAL; -+ -+ binding_name = data + sizeof(struct ip_set_req_bind); -+ -+ binding = ip_set_find_byname(binding_name); -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ write_lock_bh(&ip_set_lock); -+ /* Sets as binding values are referenced */ -+ if (set->binding != IP_SET_INVALID_ID) -+ __ip_set_put(set->binding); -+ set->binding = binding; -+ __ip_set_get(set->binding); -+ write_unlock_bh(&ip_set_lock); -+ -+ return 0; -+ } -+ binding = ip_set_find_byname(req_bind->binding); -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ res = __ip_set_testip(set, -+ data + sizeof(struct ip_set_req_bind), -+ size - sizeof(struct ip_set_req_bind), -+ &ip); -+ DP("set %s, ip: %u.%u.%u.%u, binding %s", -+ set->name, HIPQUAD(ip), ip_set_list[binding]->name); -+ -+ if (res >= 0) -+ res = ip_set_hash_add(set->id, ip, binding); -+ -+ return res; -+} -+ -+#define FOREACH_SET_DO(fn, args...) \ -+({ \ -+ ip_set_id_t __i; \ -+ struct ip_set *__set; \ -+ \ -+ for (__i = 0; __i < ip_set_max; __i++) { \ -+ __set = ip_set_list[__i]; \ -+ if (__set != NULL) \ -+ fn(__set , ##args); \ -+ } \ -+}) -+ -+static inline void -+__set_hash_del_byid(struct ip_set_hash *set_hash, ip_set_id_t id) -+{ -+ if (set_hash->id == id) -+ __set_hash_del(set_hash); -+} -+ -+static inline void -+__unbind_default(struct ip_set *set) -+{ -+ if (set->binding != IP_SET_INVALID_ID) { -+ /* Sets as binding values are referenced */ -+ __ip_set_put(set->binding); -+ set->binding = IP_SET_INVALID_ID; -+ } -+} -+ -+static int -+ip_set_unbindip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set; -+ const struct ip_set_req_bind *req_bind; -+ ip_set_ip_t ip; -+ int res; -+ -+ DP(""); -+ if (size < sizeof(struct ip_set_req_bind)) -+ return -EINVAL; -+ -+ req_bind = data; -+ -+ DP("%u %s", index, req_bind->binding); -+ if (index == IP_SET_INVALID_ID) { -+ /* unbind :all: */ -+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) { -+ /* Default binding of sets */ -+ write_lock_bh(&ip_set_lock); -+ FOREACH_SET_DO(__unbind_default); -+ write_unlock_bh(&ip_set_lock); -+ return 0; -+ } else if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_ALL)) { -+ /* Flush all bindings of all sets*/ -+ write_lock_bh(&ip_set_lock); -+ FOREACH_HASH_RW_DO(__set_hash_del); -+ write_unlock_bh(&ip_set_lock); -+ return 0; -+ } -+ DP("unreachable reached!"); -+ return -EINVAL; -+ } -+ -+ set = ip_set_list[index]; -+ IP_SET_ASSERT(set); -+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) { -+ /* Default binding of set */ -+ ip_set_id_t binding = ip_set_find_byindex(set->binding); -+ -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ write_lock_bh(&ip_set_lock); -+ /* Sets in hash values are referenced */ -+ __ip_set_put(set->binding); -+ set->binding = IP_SET_INVALID_ID; -+ write_unlock_bh(&ip_set_lock); -+ -+ return 0; -+ } else if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_ALL)) { -+ /* Flush all bindings */ -+ -+ write_lock_bh(&ip_set_lock); -+ FOREACH_HASH_RW_DO(__set_hash_del_byid, set->id); -+ write_unlock_bh(&ip_set_lock); -+ return 0; -+ } -+ -+ res = __ip_set_testip(set, -+ data + sizeof(struct ip_set_req_bind), -+ size - sizeof(struct ip_set_req_bind), -+ &ip); -+ -+ DP("set %s, ip: %u.%u.%u.%u", set->name, HIPQUAD(ip)); -+ if (res >= 0) -+ res = ip_set_hash_del(set->id, ip); -+ -+ return res; -+} -+ -+static int -+ip_set_testbind(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ const struct ip_set_req_bind *req_bind; -+ ip_set_id_t binding; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ if (size < sizeof(struct ip_set_req_bind)) -+ return -EINVAL; -+ -+ req_bind = data; -+ -+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) { -+ /* Default binding of set */ -+ const char *binding_name; -+ -+ if (size != sizeof(struct ip_set_req_bind) + IP_SET_MAXNAMELEN) -+ return -EINVAL; -+ -+ binding_name = data + sizeof(struct ip_set_req_bind); -+ -+ binding = ip_set_find_byname(binding_name); -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ res = (set->binding == binding) ? -EEXIST : 0; -+ -+ return res; -+ } -+ binding = ip_set_find_byname(req_bind->binding); -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ -+ res = __ip_set_testip(set, -+ data + sizeof(struct ip_set_req_bind), -+ size - sizeof(struct ip_set_req_bind), -+ &ip); -+ DP("set %s, ip: %u.%u.%u.%u, binding %s", -+ set->name, HIPQUAD(ip), ip_set_list[binding]->name); -+ -+ if (res >= 0) -+ res = (ip_set_find_in_hash(set->id, ip) == binding) -+ ? -EEXIST : 0; -+ -+ return res; -+} -+ -+static struct ip_set_type * -+find_set_type_rlock(const char *typename) -+{ -+ struct ip_set_type *type; -+ -+ read_lock_bh(&ip_set_lock); -+ type = find_set_type(typename); -+ if (type == NULL) -+ read_unlock_bh(&ip_set_lock); -+ -+ return type; -+} -+ -+static int -+find_free_id(const char *name, -+ ip_set_id_t *index, -+ ip_set_id_t *id) -+{ -+ ip_set_id_t i; -+ -+ *id = IP_SET_INVALID_ID; -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] == NULL) { -+ if (*id == IP_SET_INVALID_ID) -+ *id = *index = i; -+ } else if (SETNAME_EQ(name, ip_set_list[i]->name)) -+ /* Name clash */ -+ return -EEXIST; -+ } -+ if (*id == IP_SET_INVALID_ID) -+ /* No free slot remained */ -+ return -ERANGE; -+ /* Check that index is usable as id (swapping) */ -+ check: -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && ip_set_list[i]->id == *id) { -+ *id = i; -+ goto check; -+ } -+ } -+ return 0; -+} -+ -+/* -+ * Create a set -+ */ -+static int -+ip_set_create(const char *name, -+ const char *typename, -+ ip_set_id_t restore, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set; -+ ip_set_id_t index = 0, id; -+ int res = 0; -+ -+ DP("setname: %s, typename: %s, id: %u", name, typename, restore); -+ -+ /* -+ * First, and without any locks, allocate and initialize -+ * a normal base set structure. -+ */ -+ set = kmalloc(sizeof(struct ip_set), GFP_KERNEL); -+ if (!set) -+ return -ENOMEM; -+ rwlock_init(&set->lock); -+ strncpy(set->name, name, IP_SET_MAXNAMELEN); -+ set->binding = IP_SET_INVALID_ID; -+ atomic_set(&set->ref, 0); -+ -+ /* -+ * Next, take the &ip_set_lock, check that we know the type, -+ * and take a reference on the type, to make sure it -+ * stays available while constructing our new set. -+ * -+ * After referencing the type, we drop the &ip_set_lock, -+ * and let the new set construction run without locks. -+ */ -+ set->type = find_set_type_rlock(typename); -+ if (set->type == NULL) { -+ /* Try loading the module */ -+ char modulename[IP_SET_MAXNAMELEN + strlen("ip_set_") + 1]; -+ strcpy(modulename, "ip_set_"); -+ strcat(modulename, typename); -+ DP("try to load %s", modulename); -+ request_module(modulename); -+ set->type = find_set_type_rlock(typename); -+ } -+ if (set->type == NULL) { -+ ip_set_printk("no set type '%s', set '%s' not created", -+ typename, name); -+ res = -ENOENT; -+ goto out; -+ } -+ if (!try_module_get(set->type->me)) { -+ read_unlock_bh(&ip_set_lock); -+ res = -EFAULT; -+ goto out; -+ } -+ read_unlock_bh(&ip_set_lock); -+ -+ /* Check request size */ -+ if (size != set->type->header_size) { -+ ip_set_printk("data length wrong (want %lu, have %lu)", -+ (long unsigned)set->type->header_size, -+ (long unsigned)size); -+ goto put_out; -+ } -+ -+ /* -+ * Without holding any locks, create private part. -+ */ -+ res = set->type->create(set, data, size); -+ if (res != 0) -+ goto put_out; -+ -+ /* BTW, res==0 here. */ -+ -+ /* -+ * Here, we have a valid, constructed set. &ip_set_lock again, -+ * find free id/index and check that it is not already in -+ * ip_set_list. -+ */ -+ write_lock_bh(&ip_set_lock); -+ if ((res = find_free_id(set->name, &index, &id)) != 0) { -+ DP("no free id!"); -+ goto cleanup; -+ } -+ -+ /* Make sure restore gets the same index */ -+ if (restore != IP_SET_INVALID_ID && index != restore) { -+ DP("Can't restore, sets are screwed up"); -+ res = -ERANGE; -+ goto cleanup; -+ } -+ -+ /* -+ * Finally! Add our shiny new set to the list, and be done. -+ */ -+ DP("create: '%s' created with index %u, id %u!", set->name, index, id); -+ set->id = id; -+ ip_set_list[index] = set; -+ write_unlock_bh(&ip_set_lock); -+ return res; -+ -+ cleanup: -+ write_unlock_bh(&ip_set_lock); -+ set->type->destroy(set); -+ put_out: -+ module_put(set->type->me); -+ out: -+ kfree(set); -+ return res; -+} -+ -+/* -+ * Destroy a given existing set -+ */ -+static void -+ip_set_destroy_set(ip_set_id_t index) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ -+ IP_SET_ASSERT(set); -+ DP("set: %s", set->name); -+ write_lock_bh(&ip_set_lock); -+ FOREACH_HASH_RW_DO(__set_hash_del_byid, set->id); -+ if (set->binding != IP_SET_INVALID_ID) -+ __ip_set_put(set->binding); -+ ip_set_list[index] = NULL; -+ write_unlock_bh(&ip_set_lock); -+ -+ /* Must call it without holding any lock */ -+ set->type->destroy(set); -+ module_put(set->type->me); -+ kfree(set); -+} -+ -+/* -+ * Destroy a set - or all sets -+ * Sets must not be referenced/used. -+ */ -+static int -+ip_set_destroy(ip_set_id_t index) -+{ -+ ip_set_id_t i; -+ -+ /* ref modification always protected by the mutex */ -+ if (index != IP_SET_INVALID_ID) { -+ if (atomic_read(&ip_set_list[index]->ref)) -+ return -EBUSY; -+ ip_set_destroy_set(index); -+ } else { -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && (atomic_read(&ip_set_list[i]->ref))) -+ return -EBUSY; -+ } -+ -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL) -+ ip_set_destroy_set(i); -+ } -+ } -+ return 0; -+} -+ -+static void -+ip_set_flush_set(struct ip_set *set) -+{ -+ DP("set: %s %u", set->name, set->id); -+ -+ write_lock_bh(&set->lock); -+ set->type->flush(set); -+ write_unlock_bh(&set->lock); -+} -+ -+/* -+ * Flush data in a set - or in all sets -+ */ -+static int -+ip_set_flush(ip_set_id_t index) -+{ -+ if (index != IP_SET_INVALID_ID) { -+ IP_SET_ASSERT(ip_set_list[index]); -+ ip_set_flush_set(ip_set_list[index]); -+ } else -+ FOREACH_SET_DO(ip_set_flush_set); -+ -+ return 0; -+} -+ -+/* Rename a set */ -+static int -+ip_set_rename(ip_set_id_t index, const char *name) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ ip_set_id_t i; -+ int res = 0; -+ -+ DP("set: %s to %s", set->name, name); -+ write_lock_bh(&ip_set_lock); -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && SETNAME_EQ(ip_set_list[i]->name, name)) { -+ res = -EEXIST; -+ goto unlock; -+ } -+ } -+ strncpy(set->name, name, IP_SET_MAXNAMELEN); -+ unlock: -+ write_unlock_bh(&ip_set_lock); -+ return res; -+} -+ -+/* -+ * Swap two sets so that name/index points to the other. -+ * References are also swapped. -+ */ -+static int -+ip_set_swap(ip_set_id_t from_index, ip_set_id_t to_index) -+{ -+ struct ip_set *from = ip_set_list[from_index]; -+ struct ip_set *to = ip_set_list[to_index]; -+ char from_name[IP_SET_MAXNAMELEN]; -+ u_int32_t from_ref; -+ -+ DP("set: %s to %s", from->name, to->name); -+ /* Features must not change. -+ * Not an artifical restriction anymore, as we must prevent -+ * possible loops created by swapping in setlist type of sets. */ -+ if (from->type->features != to->type->features) -+ return -ENOEXEC; -+ -+ /* No magic here: ref munging protected by the mutex */ -+ write_lock_bh(&ip_set_lock); -+ strncpy(from_name, from->name, IP_SET_MAXNAMELEN); -+ from_ref = atomic_read(&from->ref); -+ -+ strncpy(from->name, to->name, IP_SET_MAXNAMELEN); -+ atomic_set(&from->ref, atomic_read(&to->ref)); -+ strncpy(to->name, from_name, IP_SET_MAXNAMELEN); -+ atomic_set(&to->ref, from_ref); -+ -+ ip_set_list[from_index] = to; -+ ip_set_list[to_index] = from; -+ -+ write_unlock_bh(&ip_set_lock); -+ return 0; -+} -+ -+/* -+ * List set data -+ */ -+ -+static inline void -+__set_hash_bindings_size_list(struct ip_set_hash *set_hash, -+ ip_set_id_t id, u_int32_t *size) -+{ -+ if (set_hash->id == id) -+ *size += sizeof(struct ip_set_hash_list); -+} -+ -+static inline void -+__set_hash_bindings_size_save(struct ip_set_hash *set_hash, -+ ip_set_id_t id, u_int32_t *size) -+{ -+ if (set_hash->id == id) -+ *size += sizeof(struct ip_set_hash_save); -+} -+ -+static inline void -+__set_hash_bindings(struct ip_set_hash *set_hash, -+ ip_set_id_t id, void *data, int *used) -+{ -+ if (set_hash->id == id) { -+ struct ip_set_hash_list *hash_list = data + *used; -+ -+ hash_list->ip = set_hash->ip; -+ hash_list->binding = set_hash->binding; -+ *used += sizeof(struct ip_set_hash_list); -+ } -+} -+ -+static int ip_set_list_set(ip_set_id_t index, -+ void *data, -+ int *used, -+ int len) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ struct ip_set_list *set_list; -+ -+ /* Pointer to our header */ -+ set_list = data + *used; -+ -+ DP("set: %s, used: %d %p %p", set->name, *used, data, data + *used); -+ -+ /* Get and ensure header size */ -+ if (*used + sizeof(struct ip_set_list) > len) -+ goto not_enough_mem; -+ *used += sizeof(struct ip_set_list); -+ -+ read_lock_bh(&set->lock); -+ /* Get and ensure set specific header size */ -+ set_list->header_size = set->type->header_size; -+ if (*used + set_list->header_size > len) -+ goto unlock_set; -+ -+ /* Fill in the header */ -+ set_list->index = index; -+ set_list->binding = set->binding; -+ set_list->ref = atomic_read(&set->ref); -+ -+ /* Fill in set spefific header data */ -+ set->type->list_header(set, data + *used); -+ *used += set_list->header_size; -+ -+ /* Get and ensure set specific members size */ -+ set_list->members_size = set->type->list_members_size(set); -+ if (*used + set_list->members_size > len) -+ goto unlock_set; -+ -+ /* Fill in set spefific members data */ -+ set->type->list_members(set, data + *used); -+ *used += set_list->members_size; -+ read_unlock_bh(&set->lock); -+ -+ /* Bindings */ -+ -+ /* Get and ensure set specific bindings size */ -+ set_list->bindings_size = 0; -+ FOREACH_HASH_DO(__set_hash_bindings_size_list, -+ set->id, &set_list->bindings_size); -+ if (*used + set_list->bindings_size > len) -+ goto not_enough_mem; -+ -+ /* Fill in set spefific bindings data */ -+ FOREACH_HASH_DO(__set_hash_bindings, set->id, data, used); -+ -+ return 0; -+ -+ unlock_set: -+ read_unlock_bh(&set->lock); -+ not_enough_mem: -+ DP("not enough mem, try again"); -+ return -EAGAIN; -+} -+ -+/* -+ * Save sets -+ */ -+static int ip_set_save_set(ip_set_id_t index, -+ void *data, -+ int *used, -+ int len) -+{ -+ struct ip_set *set; -+ struct ip_set_save *set_save; -+ -+ /* Pointer to our header */ -+ set_save = data + *used; -+ -+ /* Get and ensure header size */ -+ if (*used + sizeof(struct ip_set_save) > len) -+ goto not_enough_mem; -+ *used += sizeof(struct ip_set_save); -+ -+ set = ip_set_list[index]; -+ DP("set: %s, used: %d(%d) %p %p", set->name, *used, len, -+ data, data + *used); -+ -+ read_lock_bh(&set->lock); -+ /* Get and ensure set specific header size */ -+ set_save->header_size = set->type->header_size; -+ if (*used + set_save->header_size > len) -+ goto unlock_set; -+ -+ /* Fill in the header */ -+ set_save->index = index; -+ set_save->binding = set->binding; -+ -+ /* Fill in set spefific header data */ -+ set->type->list_header(set, data + *used); -+ *used += set_save->header_size; -+ -+ DP("set header filled: %s, used: %d(%lu) %p %p", set->name, *used, -+ (unsigned long)set_save->header_size, data, data + *used); -+ /* Get and ensure set specific members size */ -+ set_save->members_size = set->type->list_members_size(set); -+ if (*used + set_save->members_size > len) -+ goto unlock_set; -+ -+ /* Fill in set spefific members data */ -+ set->type->list_members(set, data + *used); -+ *used += set_save->members_size; -+ read_unlock_bh(&set->lock); -+ DP("set members filled: %s, used: %d(%lu) %p %p", set->name, *used, -+ (unsigned long)set_save->members_size, data, data + *used); -+ return 0; -+ -+ unlock_set: -+ read_unlock_bh(&set->lock); -+ not_enough_mem: -+ DP("not enough mem, try again"); -+ return -EAGAIN; -+} -+ -+static inline void -+__set_hash_save_bindings(struct ip_set_hash *set_hash, -+ ip_set_id_t id, -+ void *data, -+ int *used, -+ int len, -+ int *res) -+{ -+ if (*res == 0 -+ && (id == IP_SET_INVALID_ID || set_hash->id == id)) { -+ struct ip_set_hash_save *hash_save = data + *used; -+ /* Ensure bindings size */ -+ if (*used + sizeof(struct ip_set_hash_save) > len) { -+ *res = -ENOMEM; -+ return; -+ } -+ hash_save->id = set_hash->id; -+ hash_save->ip = set_hash->ip; -+ hash_save->binding = set_hash->binding; -+ *used += sizeof(struct ip_set_hash_save); -+ } -+} -+ -+static int ip_set_save_bindings(ip_set_id_t index, -+ void *data, -+ int *used, -+ int len) -+{ -+ int res = 0; -+ struct ip_set_save *set_save; -+ -+ DP("used %u, len %u", *used, len); -+ /* Get and ensure header size */ -+ if (*used + sizeof(struct ip_set_save) > len) -+ return -ENOMEM; -+ -+ /* Marker */ -+ set_save = data + *used; -+ set_save->index = IP_SET_INVALID_ID; -+ set_save->header_size = 0; -+ set_save->members_size = 0; -+ *used += sizeof(struct ip_set_save); -+ -+ DP("marker added used %u, len %u", *used, len); -+ /* Fill in bindings data */ -+ if (index != IP_SET_INVALID_ID) -+ /* Sets are identified by id in hash */ -+ index = ip_set_list[index]->id; -+ FOREACH_HASH_DO(__set_hash_save_bindings, index, data, used, len, &res); -+ -+ return res; -+} -+ -+/* -+ * Restore sets -+ */ -+static int ip_set_restore(void *data, -+ int len) -+{ -+ int res = 0; -+ int line = 0, used = 0, members_size; -+ struct ip_set *set; -+ struct ip_set_hash_save *hash_save; -+ struct ip_set_restore *set_restore; -+ ip_set_id_t index; -+ -+ /* Loop to restore sets */ -+ while (1) { -+ line++; -+ -+ DP("%d %zu %d", used, sizeof(struct ip_set_restore), len); -+ /* Get and ensure header size */ -+ if (used + sizeof(struct ip_set_restore) > len) -+ return line; -+ set_restore = data + used; -+ used += sizeof(struct ip_set_restore); -+ -+ /* Ensure data size */ -+ if (used -+ + set_restore->header_size -+ + set_restore->members_size > len) -+ return line; -+ -+ /* Check marker */ -+ if (set_restore->index == IP_SET_INVALID_ID) { -+ line--; -+ goto bindings; -+ } -+ -+ /* Try to create the set */ -+ DP("restore %s %s", set_restore->name, set_restore->typename); -+ res = ip_set_create(set_restore->name, -+ set_restore->typename, -+ set_restore->index, -+ data + used, -+ set_restore->header_size); -+ -+ if (res != 0) -+ return line; -+ used += set_restore->header_size; -+ -+ index = ip_set_find_byindex(set_restore->index); -+ DP("index %u, restore_index %u", index, set_restore->index); -+ if (index != set_restore->index) -+ return line; -+ /* Try to restore members data */ -+ set = ip_set_list[index]; -+ members_size = 0; -+ DP("members_size %lu reqsize %lu", -+ (unsigned long)set_restore->members_size, -+ (unsigned long)set->type->reqsize); -+ while (members_size + set->type->reqsize <= -+ set_restore->members_size) { -+ line++; -+ DP("members: %d, line %d", members_size, line); -+ res = __ip_set_addip(index, -+ data + used + members_size, -+ set->type->reqsize); -+ if (!(res == 0 || res == -EEXIST)) -+ return line; -+ members_size += set->type->reqsize; -+ } -+ -+ DP("members_size %lu %d", -+ (unsigned long)set_restore->members_size, members_size); -+ if (members_size != set_restore->members_size) -+ return line++; -+ used += set_restore->members_size; -+ } -+ -+ bindings: -+ /* Loop to restore bindings */ -+ while (used < len) { -+ line++; -+ -+ DP("restore binding, line %u", line); -+ /* Get and ensure size */ -+ if (used + sizeof(struct ip_set_hash_save) > len) -+ return line; -+ hash_save = data + used; -+ used += sizeof(struct ip_set_hash_save); -+ -+ /* hash_save->id is used to store the index */ -+ index = ip_set_find_byindex(hash_save->id); -+ DP("restore binding index %u, id %u, %u -> %u", -+ index, hash_save->id, hash_save->ip, hash_save->binding); -+ if (index != hash_save->id) -+ return line; -+ if (ip_set_find_byindex(hash_save->binding) == IP_SET_INVALID_ID) { -+ DP("corrupt binding set index %u", hash_save->binding); -+ return line; -+ } -+ set = ip_set_list[hash_save->id]; -+ /* Null valued IP means default binding */ -+ if (hash_save->ip) -+ res = ip_set_hash_add(set->id, -+ hash_save->ip, -+ hash_save->binding); -+ else { -+ IP_SET_ASSERT(set->binding == IP_SET_INVALID_ID); -+ write_lock_bh(&ip_set_lock); -+ set->binding = hash_save->binding; -+ __ip_set_get(set->binding); -+ write_unlock_bh(&ip_set_lock); -+ DP("default binding: %u", set->binding); -+ } -+ if (res != 0) -+ return line; -+ } -+ if (used != len) -+ return line; -+ -+ return 0; -+} -+ -+static int -+ip_set_sockfn_set(struct sock *sk, int optval, void *user, unsigned int len) -+{ -+ void *data; -+ int res = 0; /* Assume OK */ -+ unsigned *op; -+ struct ip_set_req_adt *req_adt; -+ ip_set_id_t index = IP_SET_INVALID_ID; -+ int (*adtfn)(ip_set_id_t index, -+ const void *data, u_int32_t size); -+ struct fn_table { -+ int (*fn)(ip_set_id_t index, -+ const void *data, u_int32_t size); -+ } adtfn_table[] = -+ { { ip_set_addip }, { ip_set_delip }, { ip_set_testip}, -+ { ip_set_bindip}, { ip_set_unbindip }, { ip_set_testbind }, -+ }; -+ -+ DP("optval=%d, user=%p, len=%d", optval, user, len); -+ if (!capable(CAP_NET_ADMIN)) -+ return -EPERM; -+ if (optval != SO_IP_SET) -+ return -EBADF; -+ if (len <= sizeof(unsigned)) { -+ ip_set_printk("short userdata (want >%zu, got %u)", -+ sizeof(unsigned), len); -+ return -EINVAL; -+ } -+ data = vmalloc(len); -+ if (!data) { -+ DP("out of mem for %u bytes", len); -+ return -ENOMEM; -+ } -+ if (copy_from_user(data, user, len) != 0) { -+ res = -EFAULT; -+ goto done; -+ } -+ if (down_interruptible(&ip_set_app_mutex)) { -+ res = -EINTR; -+ goto done; -+ } -+ -+ op = (unsigned *)data; -+ DP("op=%x", *op); -+ -+ if (*op < IP_SET_OP_VERSION) { -+ /* Check the version at the beginning of operations */ -+ struct ip_set_req_version *req_version = data; -+ if (req_version->version != IP_SET_PROTOCOL_VERSION) { -+ res = -EPROTO; -+ goto done; -+ } -+ } -+ -+ switch (*op) { -+ case IP_SET_OP_CREATE:{ -+ struct ip_set_req_create *req_create = data; -+ -+ if (len < sizeof(struct ip_set_req_create)) { -+ ip_set_printk("short CREATE data (want >=%zu, got %u)", -+ sizeof(struct ip_set_req_create), len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_create->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ req_create->typename[IP_SET_MAXNAMELEN - 1] = '\0'; -+ res = ip_set_create(req_create->name, -+ req_create->typename, -+ IP_SET_INVALID_ID, -+ data + sizeof(struct ip_set_req_create), -+ len - sizeof(struct ip_set_req_create)); -+ goto done; -+ } -+ case IP_SET_OP_DESTROY:{ -+ struct ip_set_req_std *req_destroy = data; -+ -+ if (len != sizeof(struct ip_set_req_std)) { -+ ip_set_printk("invalid DESTROY data (want %zu, got %u)", -+ sizeof(struct ip_set_req_std), len); -+ res = -EINVAL; -+ goto done; -+ } -+ if (SETNAME_EQ(req_destroy->name, IPSET_TOKEN_ALL)) { -+ /* Destroy all sets */ -+ index = IP_SET_INVALID_ID; -+ } else { -+ req_destroy->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byname(req_destroy->name); -+ -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ } -+ -+ res = ip_set_destroy(index); -+ goto done; -+ } -+ case IP_SET_OP_FLUSH:{ -+ struct ip_set_req_std *req_flush = data; -+ -+ if (len != sizeof(struct ip_set_req_std)) { -+ ip_set_printk("invalid FLUSH data (want %zu, got %u)", -+ sizeof(struct ip_set_req_std), len); -+ res = -EINVAL; -+ goto done; -+ } -+ if (SETNAME_EQ(req_flush->name, IPSET_TOKEN_ALL)) { -+ /* Flush all sets */ -+ index = IP_SET_INVALID_ID; -+ } else { -+ req_flush->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byname(req_flush->name); -+ -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ } -+ res = ip_set_flush(index); -+ goto done; -+ } -+ case IP_SET_OP_RENAME:{ -+ struct ip_set_req_create *req_rename = data; -+ -+ if (len != sizeof(struct ip_set_req_create)) { -+ ip_set_printk("invalid RENAME data (want %zu, got %u)", -+ sizeof(struct ip_set_req_create), len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ req_rename->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ req_rename->typename[IP_SET_MAXNAMELEN - 1] = '\0'; -+ -+ index = ip_set_find_byname(req_rename->name); -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ res = ip_set_rename(index, req_rename->typename); -+ goto done; -+ } -+ case IP_SET_OP_SWAP:{ -+ struct ip_set_req_create *req_swap = data; -+ ip_set_id_t to_index; -+ -+ if (len != sizeof(struct ip_set_req_create)) { -+ ip_set_printk("invalid SWAP data (want %zu, got %u)", -+ sizeof(struct ip_set_req_create), len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ req_swap->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ req_swap->typename[IP_SET_MAXNAMELEN - 1] = '\0'; -+ -+ index = ip_set_find_byname(req_swap->name); -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ to_index = ip_set_find_byname(req_swap->typename); -+ if (to_index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ res = ip_set_swap(index, to_index); -+ goto done; -+ } -+ default: -+ break; /* Set identified by id */ -+ } -+ -+ /* There we may have add/del/test/bind/unbind/test_bind operations */ -+ if (*op < IP_SET_OP_ADD_IP || *op > IP_SET_OP_TEST_BIND_SET) { -+ res = -EBADMSG; -+ goto done; -+ } -+ adtfn = adtfn_table[*op - IP_SET_OP_ADD_IP].fn; -+ -+ if (len < sizeof(struct ip_set_req_adt)) { -+ ip_set_printk("short data in adt request (want >=%zu, got %u)", -+ sizeof(struct ip_set_req_adt), len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_adt = data; -+ -+ /* -U :all: :all:|:default: uses IP_SET_INVALID_ID */ -+ if (!(*op == IP_SET_OP_UNBIND_SET -+ && req_adt->index == IP_SET_INVALID_ID)) { -+ index = ip_set_find_byindex(req_adt->index); -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ } -+ res = adtfn(index, data, len); -+ -+ done: -+ up(&ip_set_app_mutex); -+ vfree(data); -+ if (res > 0) -+ res = 0; -+ DP("final result %d", res); -+ return res; -+} -+ -+static int -+ip_set_sockfn_get(struct sock *sk, int optval, void *user, int *len) -+{ -+ int res = 0; -+ unsigned *op; -+ ip_set_id_t index = IP_SET_INVALID_ID; -+ void *data; -+ int copylen = *len; -+ -+ DP("optval=%d, user=%p, len=%d", optval, user, *len); -+ if (!capable(CAP_NET_ADMIN)) -+ return -EPERM; -+ if (optval != SO_IP_SET) -+ return -EBADF; -+ if (*len < sizeof(unsigned)) { -+ ip_set_printk("short userdata (want >=%zu, got %d)", -+ sizeof(unsigned), *len); -+ return -EINVAL; -+ } -+ data = vmalloc(*len); -+ if (!data) { -+ DP("out of mem for %d bytes", *len); -+ return -ENOMEM; -+ } -+ if (copy_from_user(data, user, *len) != 0) { -+ res = -EFAULT; -+ goto done; -+ } -+ if (down_interruptible(&ip_set_app_mutex)) { -+ res = -EINTR; -+ goto done; -+ } -+ -+ op = (unsigned *) data; -+ DP("op=%x", *op); -+ -+ if (*op < IP_SET_OP_VERSION) { -+ /* Check the version at the beginning of operations */ -+ struct ip_set_req_version *req_version = data; -+ if (req_version->version != IP_SET_PROTOCOL_VERSION) { -+ res = -EPROTO; -+ goto done; -+ } -+ } -+ -+ switch (*op) { -+ case IP_SET_OP_VERSION: { -+ struct ip_set_req_version *req_version = data; -+ -+ if (*len != sizeof(struct ip_set_req_version)) { -+ ip_set_printk("invalid VERSION (want %zu, got %d)", -+ sizeof(struct ip_set_req_version), -+ *len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ req_version->version = IP_SET_PROTOCOL_VERSION; -+ res = copy_to_user(user, req_version, -+ sizeof(struct ip_set_req_version)); -+ goto done; -+ } -+ case IP_SET_OP_GET_BYNAME: { -+ struct ip_set_req_get_set *req_get = data; -+ -+ if (*len != sizeof(struct ip_set_req_get_set)) { -+ ip_set_printk("invalid GET_BYNAME (want %zu, got %d)", -+ sizeof(struct ip_set_req_get_set), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byname(req_get->set.name); -+ req_get->set.index = index; -+ goto copy; -+ } -+ case IP_SET_OP_GET_BYINDEX: { -+ struct ip_set_req_get_set *req_get = data; -+ -+ if (*len != sizeof(struct ip_set_req_get_set)) { -+ ip_set_printk("invalid GET_BYINDEX (want %zu, got %d)", -+ sizeof(struct ip_set_req_get_set), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byindex(req_get->set.index); -+ strncpy(req_get->set.name, -+ index == IP_SET_INVALID_ID ? "" -+ : ip_set_list[index]->name, IP_SET_MAXNAMELEN); -+ goto copy; -+ } -+ case IP_SET_OP_ADT_GET: { -+ struct ip_set_req_adt_get *req_get = data; -+ -+ if (*len != sizeof(struct ip_set_req_adt_get)) { -+ ip_set_printk("invalid ADT_GET (want %zu, got %d)", -+ sizeof(struct ip_set_req_adt_get), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byname(req_get->set.name); -+ if (index != IP_SET_INVALID_ID) { -+ req_get->set.index = index; -+ strncpy(req_get->typename, -+ ip_set_list[index]->type->typename, -+ IP_SET_MAXNAMELEN - 1); -+ } else { -+ res = -ENOENT; -+ goto done; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_MAX_SETS: { -+ struct ip_set_req_max_sets *req_max_sets = data; -+ ip_set_id_t i; -+ -+ if (*len != sizeof(struct ip_set_req_max_sets)) { -+ ip_set_printk("invalid MAX_SETS (want %zu, got %d)", -+ sizeof(struct ip_set_req_max_sets), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ if (SETNAME_EQ(req_max_sets->set.name, IPSET_TOKEN_ALL)) { -+ req_max_sets->set.index = IP_SET_INVALID_ID; -+ } else { -+ req_max_sets->set.name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ req_max_sets->set.index = -+ ip_set_find_byname(req_max_sets->set.name); -+ if (req_max_sets->set.index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ } -+ req_max_sets->max_sets = ip_set_max; -+ req_max_sets->sets = 0; -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL) -+ req_max_sets->sets++; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_LIST_SIZE: -+ case IP_SET_OP_SAVE_SIZE: { -+ struct ip_set_req_setnames *req_setnames = data; -+ struct ip_set_name_list *name_list; -+ struct ip_set *set; -+ ip_set_id_t i; -+ int used; -+ -+ if (*len < sizeof(struct ip_set_req_setnames)) { -+ ip_set_printk("short LIST_SIZE (want >=%zu, got %d)", -+ sizeof(struct ip_set_req_setnames), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ req_setnames->size = 0; -+ used = sizeof(struct ip_set_req_setnames); -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] == NULL) -+ continue; -+ name_list = data + used; -+ used += sizeof(struct ip_set_name_list); -+ if (used > copylen) { -+ res = -EAGAIN; -+ goto done; -+ } -+ set = ip_set_list[i]; -+ /* Fill in index, name, etc. */ -+ name_list->index = i; -+ name_list->id = set->id; -+ strncpy(name_list->name, -+ set->name, -+ IP_SET_MAXNAMELEN - 1); -+ strncpy(name_list->typename, -+ set->type->typename, -+ IP_SET_MAXNAMELEN - 1); -+ DP("filled %s of type %s, index %u\n", -+ name_list->name, name_list->typename, -+ name_list->index); -+ if (!(req_setnames->index == IP_SET_INVALID_ID -+ || req_setnames->index == i)) -+ continue; -+ /* Update size */ -+ switch (*op) { -+ case IP_SET_OP_LIST_SIZE: { -+ req_setnames->size += sizeof(struct ip_set_list) -+ + set->type->header_size -+ + set->type->list_members_size(set); -+ /* Sets are identified by id in the hash */ -+ FOREACH_HASH_DO(__set_hash_bindings_size_list, -+ set->id, &req_setnames->size); -+ break; -+ } -+ case IP_SET_OP_SAVE_SIZE: { -+ req_setnames->size += sizeof(struct ip_set_save) -+ + set->type->header_size -+ + set->type->list_members_size(set); -+ FOREACH_HASH_DO(__set_hash_bindings_size_save, -+ set->id, &req_setnames->size); -+ break; -+ } -+ default: -+ break; -+ } -+ } -+ if (copylen != used) { -+ res = -EAGAIN; -+ goto done; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_LIST: { -+ struct ip_set_req_list *req_list = data; -+ ip_set_id_t i; -+ int used; -+ -+ if (*len < sizeof(struct ip_set_req_list)) { -+ ip_set_printk("short LIST (want >=%zu, got %d)", -+ sizeof(struct ip_set_req_list), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ index = req_list->index; -+ if (index != IP_SET_INVALID_ID -+ && ip_set_find_byindex(index) != index) { -+ res = -ENOENT; -+ goto done; -+ } -+ used = 0; -+ if (index == IP_SET_INVALID_ID) { -+ /* List all sets */ -+ for (i = 0; i < ip_set_max && res == 0; i++) { -+ if (ip_set_list[i] != NULL) -+ res = ip_set_list_set(i, data, &used, *len); -+ } -+ } else { -+ /* List an individual set */ -+ res = ip_set_list_set(index, data, &used, *len); -+ } -+ if (res != 0) -+ goto done; -+ else if (copylen != used) { -+ res = -EAGAIN; -+ goto done; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_SAVE: { -+ struct ip_set_req_list *req_save = data; -+ ip_set_id_t i; -+ int used; -+ -+ if (*len < sizeof(struct ip_set_req_list)) { -+ ip_set_printk("short SAVE (want >=%zu, got %d)", -+ sizeof(struct ip_set_req_list), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ index = req_save->index; -+ if (index != IP_SET_INVALID_ID -+ && ip_set_find_byindex(index) != index) { -+ res = -ENOENT; -+ goto done; -+ } -+ -+#define SETLIST(set) (strcmp(set->type->typename, "setlist") == 0) -+ -+ used = 0; -+ if (index == IP_SET_INVALID_ID) { -+ /* Save all sets: ugly setlist type dependency */ -+ int setlist = 0; -+ setlists: -+ for (i = 0; i < ip_set_max && res == 0; i++) { -+ if (ip_set_list[i] != NULL -+ && !(setlist ^ SETLIST(ip_set_list[i]))) -+ res = ip_set_save_set(i, data, &used, *len); -+ } -+ if (!setlist) { -+ setlist = 1; -+ goto setlists; -+ } -+ } else { -+ /* Save an individual set */ -+ res = ip_set_save_set(index, data, &used, *len); -+ } -+ if (res == 0) -+ res = ip_set_save_bindings(index, data, &used, *len); -+ -+ if (res != 0) -+ goto done; -+ else if (copylen != used) { -+ res = -EAGAIN; -+ goto done; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_RESTORE: { -+ struct ip_set_req_setnames *req_restore = data; -+ int line; -+ -+ if (*len < sizeof(struct ip_set_req_setnames) -+ || *len != req_restore->size) { -+ ip_set_printk("invalid RESTORE (want =%lu, got %d)", -+ (long unsigned)req_restore->size, *len); -+ res = -EINVAL; -+ goto done; -+ } -+ line = ip_set_restore(data + sizeof(struct ip_set_req_setnames), -+ req_restore->size - sizeof(struct ip_set_req_setnames)); -+ DP("ip_set_restore: %d", line); -+ if (line != 0) { -+ res = -EAGAIN; -+ req_restore->size = line; -+ copylen = sizeof(struct ip_set_req_setnames); -+ goto copy; -+ } -+ goto done; -+ } -+ default: -+ res = -EBADMSG; -+ goto done; -+ } /* end of switch(op) */ -+ -+ copy: -+ DP("set %s, copylen %d", index != IP_SET_INVALID_ID -+ && ip_set_list[index] -+ ? ip_set_list[index]->name -+ : ":all:", copylen); -+ res = copy_to_user(user, data, copylen); -+ -+ done: -+ up(&ip_set_app_mutex); -+ vfree(data); -+ if (res > 0) -+ res = 0; -+ DP("final result %d", res); -+ return res; -+} -+ -+static struct nf_sockopt_ops so_set = { -+ .pf = PF_INET, -+ .set_optmin = SO_IP_SET, -+ .set_optmax = SO_IP_SET + 1, -+ .set = &ip_set_sockfn_set, -+ .get_optmin = SO_IP_SET, -+ .get_optmax = SO_IP_SET + 1, -+ .get = &ip_set_sockfn_get, -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -+ .use = 0, -+#else -+ .owner = THIS_MODULE, -+#endif -+}; -+ -+static int max_sets, hash_size; -+ -+module_param(max_sets, int, 0600); -+MODULE_PARM_DESC(max_sets, "maximal number of sets"); -+module_param(hash_size, int, 0600); -+MODULE_PARM_DESC(hash_size, "hash size for bindings"); -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("module implementing core IP set support"); -+ -+static int __init ip_set_init(void) -+{ -+ int res; -+ ip_set_id_t i; -+ -+ get_random_bytes(&ip_set_hash_random, 4); -+ if (max_sets) -+ ip_set_max = max_sets; -+ ip_set_list = vmalloc(sizeof(struct ip_set *) * ip_set_max); -+ if (!ip_set_list) { -+ printk(KERN_ERR "Unable to create ip_set_list\n"); -+ return -ENOMEM; -+ } -+ memset(ip_set_list, 0, sizeof(struct ip_set *) * ip_set_max); -+ if (hash_size) -+ ip_set_bindings_hash_size = hash_size; -+ ip_set_hash = vmalloc(sizeof(struct list_head) * ip_set_bindings_hash_size); -+ if (!ip_set_hash) { -+ printk(KERN_ERR "Unable to create ip_set_hash\n"); -+ vfree(ip_set_list); -+ return -ENOMEM; -+ } -+ for (i = 0; i < ip_set_bindings_hash_size; i++) -+ INIT_LIST_HEAD(&ip_set_hash[i]); -+ -+ INIT_LIST_HEAD(&set_type_list); -+ -+ res = nf_register_sockopt(&so_set); -+ if (res != 0) { -+ ip_set_printk("SO_SET registry failed: %d", res); -+ vfree(ip_set_list); -+ vfree(ip_set_hash); -+ return res; -+ } -+ -+ return 0; -+} -+ -+static void __exit ip_set_fini(void) -+{ -+ /* There can't be any existing set or binding */ -+ nf_unregister_sockopt(&so_set); -+ vfree(ip_set_list); -+ vfree(ip_set_hash); -+ DP("these are the famous last words"); -+} -+ -+EXPORT_SYMBOL(ip_set_register_set_type); -+EXPORT_SYMBOL(ip_set_unregister_set_type); -+ -+EXPORT_SYMBOL(ip_set_get_byname); -+EXPORT_SYMBOL(ip_set_get_byindex); -+EXPORT_SYMBOL(ip_set_put_byindex); -+EXPORT_SYMBOL(ip_set_id); -+EXPORT_SYMBOL(__ip_set_get_byname); -+EXPORT_SYMBOL(__ip_set_put_byindex); -+ -+EXPORT_SYMBOL(ip_set_addip_kernel); -+EXPORT_SYMBOL(ip_set_delip_kernel); -+EXPORT_SYMBOL(ip_set_testip_kernel); -+ -+module_init(ip_set_init); -+module_exit(ip_set_fini); ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_iphash.c -@@ -0,0 +1,166 @@ -+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an ip hash set */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/random.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_iphash.h> -+ -+static int limit = MAX_RANGE; -+ -+static inline __u32 -+iphash_id(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iphash *map = set->data; -+ __u32 id; -+ u_int16_t i; -+ ip_set_ip_t *elem; -+ -+ *hash_ip = ip & map->netmask; -+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip), HIPQUAD(map->netmask)); -+ -+ for (i = 0; i < map->probes; i++) { -+ id = jhash_ip(map, i, *hash_ip) % map->hashsize; -+ DP("hash key: %u", id); -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ if (*elem == *hash_ip) -+ return id; -+ /* No shortcut - there can be deleted entries. */ -+ } -+ return UINT_MAX; -+} -+ -+static inline int -+iphash_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ return (ip && iphash_id(set, hash_ip, ip) != UINT_MAX); -+} -+ -+#define KADT_CONDITION -+ -+UADT(iphash, test) -+KADT(iphash, test, ipaddr) -+ -+static inline int -+__iphash_add(struct ip_set_iphash *map, ip_set_ip_t *ip) -+{ -+ __u32 probe; -+ u_int16_t i; -+ ip_set_ip_t *elem, *slot = NULL; -+ -+ for (i = 0; i < map->probes; i++) { -+ probe = jhash_ip(map, i, *ip) % map->hashsize; -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe); -+ if (*elem == *ip) -+ return -EEXIST; -+ if (!(slot || *elem)) -+ slot = elem; -+ /* There can be deleted entries, must check all slots */ -+ } -+ if (slot) { -+ *slot = *ip; -+ map->elements++; -+ return 0; -+ } -+ /* Trigger rehashing */ -+ return -EAGAIN; -+} -+ -+static inline int -+iphash_add(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iphash *map = set->data; -+ -+ if (!ip || map->elements >= limit) -+ return -ERANGE; -+ -+ *hash_ip = ip & map->netmask; -+ -+ return __iphash_add(map, hash_ip); -+} -+ -+UADT(iphash, add) -+KADT(iphash, add, ipaddr) -+ -+static inline void -+__iphash_retry(struct ip_set_iphash *tmp, struct ip_set_iphash *map) -+{ -+ tmp->netmask = map->netmask; -+} -+ -+HASH_RETRY(iphash, ip_set_ip_t) -+ -+static inline int -+iphash_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iphash *map = set->data; -+ ip_set_ip_t id, *elem; -+ -+ if (!ip) -+ return -ERANGE; -+ -+ id = iphash_id(set, hash_ip, ip); -+ if (id == UINT_MAX) -+ return -EEXIST; -+ -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ *elem = 0; -+ map->elements--; -+ -+ return 0; -+} -+ -+UADT(iphash, del) -+KADT(iphash, del, ipaddr) -+ -+static inline int -+__iphash_create(const struct ip_set_req_iphash_create *req, -+ struct ip_set_iphash *map) -+{ -+ map->netmask = req->netmask; -+ -+ return 0; -+} -+ -+HASH_CREATE(iphash, ip_set_ip_t) -+HASH_DESTROY(iphash) -+ -+HASH_FLUSH(iphash, ip_set_ip_t) -+ -+static inline void -+__iphash_list_header(const struct ip_set_iphash *map, -+ struct ip_set_req_iphash_create *header) -+{ -+ header->netmask = map->netmask; -+} -+ -+HASH_LIST_HEADER(iphash) -+HASH_LIST_MEMBERS_SIZE(iphash, ip_set_ip_t) -+HASH_LIST_MEMBERS(iphash, ip_set_ip_t) -+ -+IP_SET_RTYPE(iphash, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("iphash type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+REGISTER_MODULE(iphash) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_ipmap.c -@@ -0,0 +1,142 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an IP set type: the single bitmap type */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+ -+#include <linux/netfilter_ipv4/ip_set_ipmap.h> -+ -+static inline ip_set_ip_t -+ip_to_id(const struct ip_set_ipmap *map, ip_set_ip_t ip) -+{ -+ return (ip - map->first_ip)/map->hosts; -+} -+ -+static inline int -+ipmap_test(const struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ const struct ip_set_ipmap *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = ip & map->netmask; -+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ return !!test_bit(ip_to_id(map, *hash_ip), map->members); -+} -+ -+#define KADT_CONDITION -+ -+UADT(ipmap, test) -+KADT(ipmap, test, ipaddr) -+ -+static inline int -+ipmap_add(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_ipmap *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = ip & map->netmask; -+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ if (test_and_set_bit(ip_to_id(map, *hash_ip), map->members)) -+ return -EEXIST; -+ -+ return 0; -+} -+ -+UADT(ipmap, add) -+KADT(ipmap, add, ipaddr) -+ -+static inline int -+ipmap_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_ipmap *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = ip & map->netmask; -+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ if (!test_and_clear_bit(ip_to_id(map, *hash_ip), map->members)) -+ return -EEXIST; -+ -+ return 0; -+} -+ -+UADT(ipmap, del) -+KADT(ipmap, del, ipaddr) -+ -+static inline int -+__ipmap_create(const struct ip_set_req_ipmap_create *req, -+ struct ip_set_ipmap *map) -+{ -+ map->netmask = req->netmask; -+ -+ if (req->netmask == 0xFFFFFFFF) { -+ map->hosts = 1; -+ map->sizeid = map->last_ip - map->first_ip + 1; -+ } else { -+ unsigned int mask_bits, netmask_bits; -+ ip_set_ip_t mask; -+ -+ map->first_ip &= map->netmask; /* Should we better bark? */ -+ -+ mask = range_to_mask(map->first_ip, map->last_ip, &mask_bits); -+ netmask_bits = mask_to_bits(map->netmask); -+ -+ if ((!mask && (map->first_ip || map->last_ip != 0xFFFFFFFF)) -+ || netmask_bits <= mask_bits) -+ return -ENOEXEC; -+ -+ DP("mask_bits %u, netmask_bits %u", -+ mask_bits, netmask_bits); -+ map->hosts = 2 << (32 - netmask_bits - 1); -+ map->sizeid = 2 << (netmask_bits - mask_bits - 1); -+ } -+ if (map->sizeid > MAX_RANGE + 1) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ map->sizeid, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ DP("hosts %u, sizeid %u", map->hosts, map->sizeid); -+ return bitmap_bytes(0, map->sizeid - 1); -+} -+ -+BITMAP_CREATE(ipmap) -+BITMAP_DESTROY(ipmap) -+BITMAP_FLUSH(ipmap) -+ -+static inline void -+__ipmap_list_header(const struct ip_set_ipmap *map, -+ struct ip_set_req_ipmap_create *header) -+{ -+ header->netmask = map->netmask; -+} -+ -+BITMAP_LIST_HEADER(ipmap) -+BITMAP_LIST_MEMBERS_SIZE(ipmap) -+BITMAP_LIST_MEMBERS(ipmap) -+ -+IP_SET_TYPE(ipmap, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("ipmap type of IP sets"); -+ -+REGISTER_MODULE(ipmap) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_ipporthash.c -@@ -0,0 +1,203 @@ -+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an ip+port hash set */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/tcp.h> -+#include <linux/udp.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/random.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_ipporthash.h> -+#include <linux/netfilter_ipv4/ip_set_getport.h> -+ -+static int limit = MAX_RANGE; -+ -+static inline __u32 -+ipporthash_id(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port) -+{ -+ struct ip_set_ipporthash *map = set->data; -+ __u32 id; -+ u_int16_t i; -+ ip_set_ip_t *elem; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ -+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip)); -+ if (!*hash_ip) -+ return UINT_MAX; -+ -+ for (i = 0; i < map->probes; i++) { -+ id = jhash_ip(map, i, *hash_ip) % map->hashsize; -+ DP("hash key: %u", id); -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ if (*elem == *hash_ip) -+ return id; -+ /* No shortcut - there can be deleted entries. */ -+ } -+ return UINT_MAX; -+} -+ -+static inline int -+ipporthash_test(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port) -+{ -+ struct ip_set_ipporthash *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ return (ipporthash_id(set, hash_ip, ip, port) != UINT_MAX); -+} -+ -+#define KADT_CONDITION \ -+ ip_set_ip_t port; \ -+ \ -+ if (flags[index+1] == 0) \ -+ return 0; \ -+ \ -+ port = get_port(skb, flags[index+1]); \ -+ \ -+ if (port == INVALID_PORT) \ -+ return 0; -+ -+UADT(ipporthash, test, req->port) -+KADT(ipporthash, test, ipaddr, port) -+ -+static inline int -+__ipporthash_add(struct ip_set_ipporthash *map, ip_set_ip_t *ip) -+{ -+ __u32 probe; -+ u_int16_t i; -+ ip_set_ip_t *elem, *slot = NULL; -+ -+ for (i = 0; i < map->probes; i++) { -+ probe = jhash_ip(map, i, *ip) % map->hashsize; -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe); -+ if (*elem == *ip) -+ return -EEXIST; -+ if (!(slot || *elem)) -+ slot = elem; -+ /* There can be deleted entries, must check all slots */ -+ } -+ if (slot) { -+ *slot = *ip; -+ map->elements++; -+ return 0; -+ } -+ /* Trigger rehashing */ -+ return -EAGAIN; -+} -+ -+static inline int -+ipporthash_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port) -+{ -+ struct ip_set_ipporthash *map = set->data; -+ if (map->elements > limit) -+ return -ERANGE; -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ -+ if (!*hash_ip) -+ return -ERANGE; -+ -+ return __ipporthash_add(map, hash_ip); -+} -+ -+UADT(ipporthash, add, req->port) -+KADT(ipporthash, add, ipaddr, port) -+ -+static inline void -+__ipporthash_retry(struct ip_set_ipporthash *tmp, -+ struct ip_set_ipporthash *map) -+{ -+ tmp->first_ip = map->first_ip; -+ tmp->last_ip = map->last_ip; -+} -+ -+HASH_RETRY(ipporthash, ip_set_ip_t) -+ -+static inline int -+ipporthash_del(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port) -+{ -+ struct ip_set_ipporthash *map = set->data; -+ ip_set_ip_t id; -+ ip_set_ip_t *elem; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ id = ipporthash_id(set, hash_ip, ip, port); -+ -+ if (id == UINT_MAX) -+ return -EEXIST; -+ -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ *elem = 0; -+ map->elements--; -+ -+ return 0; -+} -+ -+UADT(ipporthash, del, req->port) -+KADT(ipporthash, del, ipaddr, port) -+ -+static inline int -+__ipporthash_create(const struct ip_set_req_ipporthash_create *req, -+ struct ip_set_ipporthash *map) -+{ -+ if (req->to - req->from > MAX_RANGE) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ req->to - req->from + 1, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ map->first_ip = req->from; -+ map->last_ip = req->to; -+ return 0; -+} -+ -+HASH_CREATE(ipporthash, ip_set_ip_t) -+HASH_DESTROY(ipporthash) -+HASH_FLUSH(ipporthash, ip_set_ip_t) -+ -+static inline void -+__ipporthash_list_header(const struct ip_set_ipporthash *map, -+ struct ip_set_req_ipporthash_create *header) -+{ -+ header->from = map->first_ip; -+ header->to = map->last_ip; -+} -+ -+HASH_LIST_HEADER(ipporthash) -+HASH_LIST_MEMBERS_SIZE(ipporthash, ip_set_ip_t) -+HASH_LIST_MEMBERS(ipporthash, ip_set_ip_t) -+ -+IP_SET_RTYPE(ipporthash, IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_DATA_DOUBLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("ipporthash type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+REGISTER_MODULE(ipporthash) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_ipportiphash.c -@@ -0,0 +1,216 @@ -+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an ip+port+ip hash set */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/tcp.h> -+#include <linux/udp.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/random.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_ipportiphash.h> -+#include <linux/netfilter_ipv4/ip_set_getport.h> -+ -+static int limit = MAX_RANGE; -+ -+#define jhash_ip2(map, i, ipport, ip1) \ -+ jhash_2words(ipport, ip1, *(map->initval + i)) -+ -+static inline __u32 -+ipportiphash_id(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportiphash *map = set->data; -+ __u32 id; -+ u_int16_t i; -+ struct ipportip *elem; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip)); -+ if (!(*hash_ip || ip1)) -+ return UINT_MAX; -+ -+ for (i = 0; i < map->probes; i++) { -+ id = jhash_ip2(map, i, *hash_ip, ip1) % map->hashsize; -+ DP("hash key: %u", id); -+ elem = HARRAY_ELEM(map->members, struct ipportip *, id); -+ if (elem->ip == *hash_ip && elem->ip1 == ip1) -+ return id; -+ /* No shortcut - there can be deleted entries. */ -+ } -+ return UINT_MAX; -+} -+ -+static inline int -+ipportiphash_test(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportiphash *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ return (ipportiphash_id(set, hash_ip, ip, port, ip1) != UINT_MAX); -+} -+ -+#define KADT_CONDITION \ -+ ip_set_ip_t port, ip1; \ -+ \ -+ if (flags[index+2] == 0) \ -+ return 0; \ -+ \ -+ port = get_port(skb, flags[index+1]); \ -+ ip1 = ipaddr(skb, flags[index+2]); \ -+ \ -+ if (port == INVALID_PORT) \ -+ return 0; -+ -+UADT(ipportiphash, test, req->port, req->ip1) -+KADT(ipportiphash, test, ipaddr, port, ip1) -+ -+static inline int -+__ipportip_add(struct ip_set_ipportiphash *map, -+ ip_set_ip_t hash_ip, ip_set_ip_t ip1) -+{ -+ __u32 probe; -+ u_int16_t i; -+ struct ipportip *elem, *slot = NULL; -+ -+ for (i = 0; i < map->probes; i++) { -+ probe = jhash_ip2(map, i, hash_ip, ip1) % map->hashsize; -+ elem = HARRAY_ELEM(map->members, struct ipportip *, probe); -+ if (elem->ip == hash_ip && elem->ip1 == ip1) -+ return -EEXIST; -+ if (!(slot || elem->ip || elem->ip1)) -+ slot = elem; -+ /* There can be deleted entries, must check all slots */ -+ } -+ if (slot) { -+ slot->ip = hash_ip; -+ slot->ip1 = ip1; -+ map->elements++; -+ return 0; -+ } -+ /* Trigger rehashing */ -+ return -EAGAIN; -+} -+ -+static inline int -+__ipportiphash_add(struct ip_set_ipportiphash *map, -+ struct ipportip *elem) -+{ -+ return __ipportip_add(map, elem->ip, elem->ip1); -+} -+ -+static inline int -+ipportiphash_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportiphash *map = set->data; -+ -+ if (map->elements > limit) -+ return -ERANGE; -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ if (!(*hash_ip || ip1)) -+ return -ERANGE; -+ -+ return __ipportip_add(map, *hash_ip, ip1); -+} -+ -+UADT(ipportiphash, add, req->port, req->ip1) -+KADT(ipportiphash, add, ipaddr, port, ip1) -+ -+static inline void -+__ipportiphash_retry(struct ip_set_ipportiphash *tmp, -+ struct ip_set_ipportiphash *map) -+{ -+ tmp->first_ip = map->first_ip; -+ tmp->last_ip = map->last_ip; -+} -+ -+HASH_RETRY2(ipportiphash, struct ipportip) -+ -+static inline int -+ipportiphash_del(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportiphash *map = set->data; -+ ip_set_ip_t id; -+ struct ipportip *elem; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ id = ipportiphash_id(set, hash_ip, ip, port, ip1); -+ -+ if (id == UINT_MAX) -+ return -EEXIST; -+ -+ elem = HARRAY_ELEM(map->members, struct ipportip *, id); -+ elem->ip = elem->ip1 = 0; -+ map->elements--; -+ -+ return 0; -+} -+ -+UADT(ipportiphash, del, req->port, req->ip1) -+KADT(ipportiphash, del, ipaddr, port, ip1) -+ -+static inline int -+__ipportiphash_create(const struct ip_set_req_ipportiphash_create *req, -+ struct ip_set_ipportiphash *map) -+{ -+ if (req->to - req->from > MAX_RANGE) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ req->to - req->from + 1, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ map->first_ip = req->from; -+ map->last_ip = req->to; -+ return 0; -+} -+ -+HASH_CREATE(ipportiphash, struct ipportip) -+HASH_DESTROY(ipportiphash) -+HASH_FLUSH(ipportiphash, struct ipportip) -+ -+static inline void -+__ipportiphash_list_header(const struct ip_set_ipportiphash *map, -+ struct ip_set_req_ipportiphash_create *header) -+{ -+ header->from = map->first_ip; -+ header->to = map->last_ip; -+} -+ -+HASH_LIST_HEADER(ipportiphash) -+HASH_LIST_MEMBERS_SIZE(ipportiphash, struct ipportip) -+HASH_LIST_MEMBERS_MEMCPY(ipportiphash, struct ipportip) -+ -+IP_SET_RTYPE(ipportiphash, IPSET_TYPE_IP | IPSET_TYPE_PORT -+ | IPSET_TYPE_IP1 | IPSET_DATA_TRIPLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("ipportiphash type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+REGISTER_MODULE(ipportiphash) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_ipportnethash.c -@@ -0,0 +1,304 @@ -+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an ip+port+net hash set */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/tcp.h> -+#include <linux/udp.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/random.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_ipportnethash.h> -+#include <linux/netfilter_ipv4/ip_set_getport.h> -+ -+static int limit = MAX_RANGE; -+ -+#define jhash_ip2(map, i, ipport, ip1) \ -+ jhash_2words(ipport, ip1, *(map->initval + i)) -+ -+static inline __u32 -+ipportnethash_id_cidr(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, -+ ip_set_ip_t ip1, uint8_t cidr) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ __u32 id; -+ u_int16_t i; -+ struct ipportip *elem; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip)); -+ ip1 = pack_ip_cidr(ip1, cidr); -+ if (!(*hash_ip || ip1)) -+ return UINT_MAX; -+ -+ for (i = 0; i < map->probes; i++) { -+ id = jhash_ip2(map, i, *hash_ip, ip1) % map->hashsize; -+ DP("hash key: %u", id); -+ elem = HARRAY_ELEM(map->members, struct ipportip *, id); -+ if (elem->ip == *hash_ip && elem->ip1 == ip1) -+ return id; -+ /* No shortcut - there can be deleted entries. */ -+ } -+ return UINT_MAX; -+} -+ -+static inline __u32 -+ipportnethash_id(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ __u32 id = UINT_MAX; -+ int i; -+ -+ for (i = 0; i < 30 && map->cidr[i]; i++) { -+ id = ipportnethash_id_cidr(set, hash_ip, ip, port, ip1, -+ map->cidr[i]); -+ if (id != UINT_MAX) -+ break; -+ } -+ return id; -+} -+ -+static inline int -+ipportnethash_test_cidr(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, -+ ip_set_ip_t ip1, uint8_t cidr) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ return (ipportnethash_id_cidr(set, hash_ip, ip, port, ip1, -+ cidr) != UINT_MAX); -+} -+ -+static inline int -+ipportnethash_test(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ return (ipportnethash_id(set, hash_ip, ip, port, ip1) != UINT_MAX); -+} -+ -+static int -+ipportnethash_utest(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ const struct ip_set_req_ipportnethash *req = data; -+ -+ if (req->cidr <= 0 || req->cidr > 32) -+ return -EINVAL; -+ return (req->cidr == 32 -+ ? ipportnethash_test(set, hash_ip, req->ip, req->port, -+ req->ip1) -+ : ipportnethash_test_cidr(set, hash_ip, req->ip, req->port, -+ req->ip1, req->cidr)); -+} -+ -+#define KADT_CONDITION \ -+ ip_set_ip_t port, ip1; \ -+ \ -+ if (flags[index+2] == 0) \ -+ return 0; \ -+ \ -+ port = get_port(skb, flags[index+1]); \ -+ ip1 = ipaddr(skb, flags[index+2]); \ -+ \ -+ if (port == INVALID_PORT) \ -+ return 0; -+ -+KADT(ipportnethash, test, ipaddr, port, ip1) -+ -+static inline int -+__ipportnet_add(struct ip_set_ipportnethash *map, -+ ip_set_ip_t hash_ip, ip_set_ip_t ip1) -+{ -+ __u32 probe; -+ u_int16_t i; -+ struct ipportip *elem, *slot = NULL; -+ -+ for (i = 0; i < map->probes; i++) { -+ probe = jhash_ip2(map, i, hash_ip, ip1) % map->hashsize; -+ elem = HARRAY_ELEM(map->members, struct ipportip *, probe); -+ if (elem->ip == hash_ip && elem->ip1 == ip1) -+ return -EEXIST; -+ if (!(slot || elem->ip || elem->ip1)) -+ slot = elem; -+ /* There can be deleted entries, must check all slots */ -+ } -+ if (slot) { -+ slot->ip = hash_ip; -+ slot->ip1 = ip1; -+ map->elements++; -+ return 0; -+ } -+ /* Trigger rehashing */ -+ return -EAGAIN; -+} -+ -+static inline int -+__ipportnethash_add(struct ip_set_ipportnethash *map, -+ struct ipportip *elem) -+{ -+ return __ipportnet_add(map, elem->ip, elem->ip1); -+} -+ -+static inline int -+ipportnethash_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, -+ ip_set_ip_t ip1, uint8_t cidr) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ struct ipportip; -+ int ret; -+ -+ if (map->elements > limit) -+ return -ERANGE; -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ if (cidr <= 0 || cidr >= 32) -+ return -EINVAL; -+ if (map->nets[cidr-1] == UINT16_MAX) -+ return -ERANGE; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ ip1 = pack_ip_cidr(ip1, cidr); -+ if (!(*hash_ip || ip1)) -+ return -ERANGE; -+ -+ ret =__ipportnet_add(map, *hash_ip, ip1); -+ if (ret == 0) { -+ if (!map->nets[cidr-1]++) -+ add_cidr_size(map->cidr, cidr); -+ map->elements++; -+ } -+ return ret; -+} -+ -+#undef KADT_CONDITION -+#define KADT_CONDITION \ -+ struct ip_set_ipportnethash *map = set->data; \ -+ uint8_t cidr = map->cidr[0] ? map->cidr[0] : 31; \ -+ ip_set_ip_t port, ip1; \ -+ \ -+ if (flags[index+2] == 0) \ -+ return 0; \ -+ \ -+ port = get_port(skb, flags[index+1]); \ -+ ip1 = ipaddr(skb, flags[index+2]); \ -+ \ -+ if (port == INVALID_PORT) \ -+ return 0; -+ -+UADT(ipportnethash, add, req->port, req->ip1, req->cidr) -+KADT(ipportnethash, add, ipaddr, port, ip1, cidr) -+ -+static inline void -+__ipportnethash_retry(struct ip_set_ipportnethash *tmp, -+ struct ip_set_ipportnethash *map) -+{ -+ tmp->first_ip = map->first_ip; -+ tmp->last_ip = map->last_ip; -+ memcpy(tmp->cidr, map->cidr, sizeof(tmp->cidr)); -+ memcpy(tmp->nets, map->nets, sizeof(tmp->nets)); -+} -+ -+HASH_RETRY2(ipportnethash, struct ipportip) -+ -+static inline int -+ipportnethash_del(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, -+ ip_set_ip_t ip1, uint8_t cidr) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ ip_set_ip_t id; -+ struct ipportip *elem; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ if (!ip) -+ return -ERANGE; -+ if (cidr <= 0 || cidr >= 32) -+ return -EINVAL; -+ -+ id = ipportnethash_id_cidr(set, hash_ip, ip, port, ip1, cidr); -+ -+ if (id == UINT_MAX) -+ return -EEXIST; -+ -+ elem = HARRAY_ELEM(map->members, struct ipportip *, id); -+ elem->ip = elem->ip1 = 0; -+ map->elements--; -+ if (!map->nets[cidr-1]--) -+ del_cidr_size(map->cidr, cidr); -+ -+ return 0; -+} -+ -+UADT(ipportnethash, del, req->port, req->ip1, req->cidr) -+KADT(ipportnethash, del, ipaddr, port, ip1, cidr) -+ -+static inline int -+__ipportnethash_create(const struct ip_set_req_ipportnethash_create *req, -+ struct ip_set_ipportnethash *map) -+{ -+ if (req->to - req->from > MAX_RANGE) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ req->to - req->from + 1, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ map->first_ip = req->from; -+ map->last_ip = req->to; -+ memset(map->cidr, 0, sizeof(map->cidr)); -+ memset(map->nets, 0, sizeof(map->nets)); -+ return 0; -+} -+ -+HASH_CREATE(ipportnethash, struct ipportip) -+HASH_DESTROY(ipportnethash) -+HASH_FLUSH_CIDR(ipportnethash, struct ipportip); -+ -+static inline void -+__ipportnethash_list_header(const struct ip_set_ipportnethash *map, -+ struct ip_set_req_ipportnethash_create *header) -+{ -+ header->from = map->first_ip; -+ header->to = map->last_ip; -+} -+ -+HASH_LIST_HEADER(ipportnethash) -+ -+HASH_LIST_MEMBERS_SIZE(ipportnethash, struct ipportip) -+HASH_LIST_MEMBERS_MEMCPY(ipportnethash, struct ipportip) -+ -+IP_SET_RTYPE(ipportnethash, IPSET_TYPE_IP | IPSET_TYPE_PORT -+ | IPSET_TYPE_IP1 | IPSET_DATA_TRIPLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("ipportnethash type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+REGISTER_MODULE(ipportnethash) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_iptree.c -@@ -0,0 +1,466 @@ -+/* Copyright (C) 2005-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an IP set type: the iptree type */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/slab.h> -+#include <linux/delay.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/timer.h> -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+#include <linux/netfilter_ipv4/ip_set_iptree.h> -+ -+static int limit = MAX_RANGE; -+ -+/* Garbage collection interval in seconds: */ -+#define IPTREE_GC_TIME 5*60 -+/* Sleep so many milliseconds before trying again -+ * to delete the gc timer at destroying/flushing a set */ -+#define IPTREE_DESTROY_SLEEP 100 -+ -+static __KMEM_CACHE_T__ *branch_cachep; -+static __KMEM_CACHE_T__ *leaf_cachep; -+ -+ -+#if defined(__LITTLE_ENDIAN) -+#define ABCD(a,b,c,d,addrp) do { \ -+ a = ((unsigned char *)addrp)[3]; \ -+ b = ((unsigned char *)addrp)[2]; \ -+ c = ((unsigned char *)addrp)[1]; \ -+ d = ((unsigned char *)addrp)[0]; \ -+} while (0) -+#elif defined(__BIG_ENDIAN) -+#define ABCD(a,b,c,d,addrp) do { \ -+ a = ((unsigned char *)addrp)[0]; \ -+ b = ((unsigned char *)addrp)[1]; \ -+ c = ((unsigned char *)addrp)[2]; \ -+ d = ((unsigned char *)addrp)[3]; \ -+} while (0) -+#else -+#error "Please fix asm/byteorder.h" -+#endif /* __LITTLE_ENDIAN */ -+ -+#define TESTIP_WALK(map, elem, branch) do { \ -+ if ((map)->tree[elem]) { \ -+ branch = (map)->tree[elem]; \ -+ } else \ -+ return 0; \ -+} while (0) -+ -+static inline int -+iptree_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned char a,b,c,d; -+ -+ if (!ip) -+ return -ERANGE; -+ -+ *hash_ip = ip; -+ ABCD(a, b, c, d, hash_ip); -+ DP("%u %u %u %u timeout %u", a, b, c, d, map->timeout); -+ TESTIP_WALK(map, a, btree); -+ TESTIP_WALK(btree, b, ctree); -+ TESTIP_WALK(ctree, c, dtree); -+ DP("%lu %lu", dtree->expires[d], jiffies); -+ return dtree->expires[d] -+ && (!map->timeout -+ || time_after(dtree->expires[d], jiffies)); -+} -+ -+#define KADT_CONDITION -+ -+UADT(iptree, test) -+KADT(iptree, test, ipaddr) -+ -+#define ADDIP_WALK(map, elem, branch, type, cachep) do { \ -+ if ((map)->tree[elem]) { \ -+ DP("found %u", elem); \ -+ branch = (map)->tree[elem]; \ -+ } else { \ -+ branch = (type *) \ -+ kmem_cache_alloc(cachep, GFP_ATOMIC); \ -+ if (branch == NULL) \ -+ return -ENOMEM; \ -+ memset(branch, 0, sizeof(*branch)); \ -+ (map)->tree[elem] = branch; \ -+ DP("alloc %u", elem); \ -+ } \ -+} while (0) -+ -+static inline int -+iptree_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, unsigned int timeout) -+{ -+ struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned char a,b,c,d; -+ int ret = 0; -+ -+ if (!ip || map->elements >= limit) -+ /* We could call the garbage collector -+ * but it's probably overkill */ -+ return -ERANGE; -+ -+ *hash_ip = ip; -+ ABCD(a, b, c, d, hash_ip); -+ DP("%u %u %u %u timeout %u", a, b, c, d, timeout); -+ ADDIP_WALK(map, a, btree, struct ip_set_iptreeb, branch_cachep); -+ ADDIP_WALK(btree, b, ctree, struct ip_set_iptreec, branch_cachep); -+ ADDIP_WALK(ctree, c, dtree, struct ip_set_iptreed, leaf_cachep); -+ if (dtree->expires[d] -+ && (!map->timeout || time_after(dtree->expires[d], jiffies))) -+ ret = -EEXIST; -+ if (map->timeout && timeout == 0) -+ timeout = map->timeout; -+ dtree->expires[d] = map->timeout ? (timeout * HZ + jiffies) : 1; -+ /* Lottery: I won! */ -+ if (dtree->expires[d] == 0) -+ dtree->expires[d] = 1; -+ DP("%u %lu", d, dtree->expires[d]); -+ if (ret == 0) -+ map->elements++; -+ return ret; -+} -+ -+UADT(iptree, add, req->timeout) -+KADT(iptree, add, ipaddr, 0) -+ -+#define DELIP_WALK(map, elem, branch) do { \ -+ if ((map)->tree[elem]) { \ -+ branch = (map)->tree[elem]; \ -+ } else \ -+ return -EEXIST; \ -+} while (0) -+ -+static inline int -+iptree_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned char a,b,c,d; -+ -+ if (!ip) -+ return -ERANGE; -+ -+ *hash_ip = ip; -+ ABCD(a, b, c, d, hash_ip); -+ DELIP_WALK(map, a, btree); -+ DELIP_WALK(btree, b, ctree); -+ DELIP_WALK(ctree, c, dtree); -+ -+ if (dtree->expires[d]) { -+ dtree->expires[d] = 0; -+ map->elements--; -+ return 0; -+ } -+ return -EEXIST; -+} -+ -+UADT(iptree, del) -+KADT(iptree, del, ipaddr) -+ -+#define LOOP_WALK_BEGIN(map, i, branch) \ -+ for (i = 0; i < 256; i++) { \ -+ if (!(map)->tree[i]) \ -+ continue; \ -+ branch = (map)->tree[i] -+ -+#define LOOP_WALK_END } -+ -+static void -+ip_tree_gc(unsigned long ul_set) -+{ -+ struct ip_set *set = (struct ip_set *) ul_set; -+ struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned int a,b,c,d; -+ unsigned char i,j,k; -+ -+ i = j = k = 0; -+ DP("gc: %s", set->name); -+ write_lock_bh(&set->lock); -+ LOOP_WALK_BEGIN(map, a, btree); -+ LOOP_WALK_BEGIN(btree, b, ctree); -+ LOOP_WALK_BEGIN(ctree, c, dtree); -+ for (d = 0; d < 256; d++) { -+ if (dtree->expires[d]) { -+ DP("gc: %u %u %u %u: expires %lu jiffies %lu", -+ a, b, c, d, -+ dtree->expires[d], jiffies); -+ if (map->timeout -+ && time_before(dtree->expires[d], jiffies)) { -+ dtree->expires[d] = 0; -+ map->elements--; -+ } else -+ k = 1; -+ } -+ } -+ if (k == 0) { -+ DP("gc: %s: leaf %u %u %u empty", -+ set->name, a, b, c); -+ kmem_cache_free(leaf_cachep, dtree); -+ ctree->tree[c] = NULL; -+ } else { -+ DP("gc: %s: leaf %u %u %u not empty", -+ set->name, a, b, c); -+ j = 1; -+ k = 0; -+ } -+ LOOP_WALK_END; -+ if (j == 0) { -+ DP("gc: %s: branch %u %u empty", -+ set->name, a, b); -+ kmem_cache_free(branch_cachep, ctree); -+ btree->tree[b] = NULL; -+ } else { -+ DP("gc: %s: branch %u %u not empty", -+ set->name, a, b); -+ i = 1; -+ j = k = 0; -+ } -+ LOOP_WALK_END; -+ if (i == 0) { -+ DP("gc: %s: branch %u empty", -+ set->name, a); -+ kmem_cache_free(branch_cachep, btree); -+ map->tree[a] = NULL; -+ } else { -+ DP("gc: %s: branch %u not empty", -+ set->name, a); -+ i = j = k = 0; -+ } -+ LOOP_WALK_END; -+ write_unlock_bh(&set->lock); -+ -+ map->gc.expires = jiffies + map->gc_interval * HZ; -+ add_timer(&map->gc); -+} -+ -+static inline void -+init_gc_timer(struct ip_set *set) -+{ -+ struct ip_set_iptree *map = set->data; -+ -+ /* Even if there is no timeout for the entries, -+ * we still have to call gc because delete -+ * do not clean up empty branches */ -+ map->gc_interval = IPTREE_GC_TIME; -+ init_timer(&map->gc); -+ map->gc.data = (unsigned long) set; -+ map->gc.function = ip_tree_gc; -+ map->gc.expires = jiffies + map->gc_interval * HZ; -+ add_timer(&map->gc); -+} -+ -+static int -+iptree_create(struct ip_set *set, const void *data, u_int32_t size) -+{ -+ const struct ip_set_req_iptree_create *req = data; -+ struct ip_set_iptree *map; -+ -+ if (size != sizeof(struct ip_set_req_iptree_create)) { -+ ip_set_printk("data length wrong (want %zu, have %lu)", -+ sizeof(struct ip_set_req_iptree_create), -+ (unsigned long)size); -+ return -EINVAL; -+ } -+ -+ map = kmalloc(sizeof(struct ip_set_iptree), GFP_KERNEL); -+ if (!map) { -+ DP("out of memory for %zu bytes", -+ sizeof(struct ip_set_iptree)); -+ return -ENOMEM; -+ } -+ memset(map, 0, sizeof(*map)); -+ map->timeout = req->timeout; -+ map->elements = 0; -+ set->data = map; -+ -+ init_gc_timer(set); -+ -+ return 0; -+} -+ -+static inline void -+__flush(struct ip_set_iptree *map) -+{ -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned int a,b,c; -+ -+ LOOP_WALK_BEGIN(map, a, btree); -+ LOOP_WALK_BEGIN(btree, b, ctree); -+ LOOP_WALK_BEGIN(ctree, c, dtree); -+ kmem_cache_free(leaf_cachep, dtree); -+ LOOP_WALK_END; -+ kmem_cache_free(branch_cachep, ctree); -+ LOOP_WALK_END; -+ kmem_cache_free(branch_cachep, btree); -+ LOOP_WALK_END; -+ map->elements = 0; -+} -+ -+static void -+iptree_destroy(struct ip_set *set) -+{ -+ struct ip_set_iptree *map = set->data; -+ -+ /* gc might be running */ -+ while (!del_timer(&map->gc)) -+ msleep(IPTREE_DESTROY_SLEEP); -+ __flush(map); -+ kfree(map); -+ set->data = NULL; -+} -+ -+static void -+iptree_flush(struct ip_set *set) -+{ -+ struct ip_set_iptree *map = set->data; -+ unsigned int timeout = map->timeout; -+ -+ /* gc might be running */ -+ while (!del_timer(&map->gc)) -+ msleep(IPTREE_DESTROY_SLEEP); -+ __flush(map); -+ memset(map, 0, sizeof(*map)); -+ map->timeout = timeout; -+ -+ init_gc_timer(set); -+} -+ -+static void -+iptree_list_header(const struct ip_set *set, void *data) -+{ -+ const struct ip_set_iptree *map = set->data; -+ struct ip_set_req_iptree_create *header = data; -+ -+ header->timeout = map->timeout; -+} -+ -+static int -+iptree_list_members_size(const struct ip_set *set) -+{ -+ const struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned int a,b,c,d; -+ unsigned int count = 0; -+ -+ LOOP_WALK_BEGIN(map, a, btree); -+ LOOP_WALK_BEGIN(btree, b, ctree); -+ LOOP_WALK_BEGIN(ctree, c, dtree); -+ for (d = 0; d < 256; d++) { -+ if (dtree->expires[d] -+ && (!map->timeout || time_after(dtree->expires[d], jiffies))) -+ count++; -+ } -+ LOOP_WALK_END; -+ LOOP_WALK_END; -+ LOOP_WALK_END; -+ -+ DP("members %u", count); -+ return (count * sizeof(struct ip_set_req_iptree)); -+} -+ -+static void -+iptree_list_members(const struct ip_set *set, void *data) -+{ -+ const struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned int a,b,c,d; -+ size_t offset = 0; -+ struct ip_set_req_iptree *entry; -+ -+ LOOP_WALK_BEGIN(map, a, btree); -+ LOOP_WALK_BEGIN(btree, b, ctree); -+ LOOP_WALK_BEGIN(ctree, c, dtree); -+ for (d = 0; d < 256; d++) { -+ if (dtree->expires[d] -+ && (!map->timeout || time_after(dtree->expires[d], jiffies))) { -+ entry = data + offset; -+ entry->ip = ((a << 24) | (b << 16) | (c << 8) | d); -+ entry->timeout = !map->timeout ? 0 -+ : (dtree->expires[d] - jiffies)/HZ; -+ offset += sizeof(struct ip_set_req_iptree); -+ } -+ } -+ LOOP_WALK_END; -+ LOOP_WALK_END; -+ LOOP_WALK_END; -+} -+ -+IP_SET_TYPE(iptree, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("iptree type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+static int __init ip_set_iptree_init(void) -+{ -+ int ret; -+ -+ branch_cachep = KMEM_CACHE_CREATE("ip_set_iptreeb", -+ sizeof(struct ip_set_iptreeb)); -+ if (!branch_cachep) { -+ printk(KERN_ERR "Unable to create ip_set_iptreeb slab cache\n"); -+ ret = -ENOMEM; -+ goto out; -+ } -+ leaf_cachep = KMEM_CACHE_CREATE("ip_set_iptreed", -+ sizeof(struct ip_set_iptreed)); -+ if (!leaf_cachep) { -+ printk(KERN_ERR "Unable to create ip_set_iptreed slab cache\n"); -+ ret = -ENOMEM; -+ goto free_branch; -+ } -+ ret = ip_set_register_set_type(&ip_set_iptree); -+ if (ret == 0) -+ goto out; -+ -+ kmem_cache_destroy(leaf_cachep); -+ free_branch: -+ kmem_cache_destroy(branch_cachep); -+ out: -+ return ret; -+} -+ -+static void __exit ip_set_iptree_fini(void) -+{ -+ /* FIXME: possible race with ip_set_create() */ -+ ip_set_unregister_set_type(&ip_set_iptree); -+ kmem_cache_destroy(leaf_cachep); -+ kmem_cache_destroy(branch_cachep); -+} -+ -+module_init(ip_set_iptree_init); -+module_exit(ip_set_iptree_fini); ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_iptreemap.c -@@ -0,0 +1,708 @@ -+/* Copyright (C) 2007 Sven Wegener <sven.wegener@stealer.net> -+ * -+ * This program is free software; you can redistribute it and/or modify it -+ * under the terms of the GNU General Public License version 2 as published by -+ * the Free Software Foundation. -+ */ -+ -+/* This modules implements the iptreemap ipset type. It uses bitmaps to -+ * represent every single IPv4 address as a bit. The bitmaps are managed in a -+ * tree structure, where the first three octets of an address are used as an -+ * index to find the bitmap and the last octet is used as the bit number. -+ */ -+ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/slab.h> -+#include <linux/delay.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/timer.h> -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+#include <linux/netfilter_ipv4/ip_set_iptreemap.h> -+ -+#define IPTREEMAP_DEFAULT_GC_TIME (5 * 60) -+#define IPTREEMAP_DESTROY_SLEEP (100) -+ -+static __KMEM_CACHE_T__ *cachep_b; -+static __KMEM_CACHE_T__ *cachep_c; -+static __KMEM_CACHE_T__ *cachep_d; -+ -+static struct ip_set_iptreemap_d *fullbitmap_d; -+static struct ip_set_iptreemap_c *fullbitmap_c; -+static struct ip_set_iptreemap_b *fullbitmap_b; -+ -+#if defined(__LITTLE_ENDIAN) -+#define ABCD(a, b, c, d, addr) \ -+ do { \ -+ a = ((unsigned char *)addr)[3]; \ -+ b = ((unsigned char *)addr)[2]; \ -+ c = ((unsigned char *)addr)[1]; \ -+ d = ((unsigned char *)addr)[0]; \ -+ } while (0) -+#elif defined(__BIG_ENDIAN) -+#define ABCD(a,b,c,d,addrp) do { \ -+ a = ((unsigned char *)addrp)[0]; \ -+ b = ((unsigned char *)addrp)[1]; \ -+ c = ((unsigned char *)addrp)[2]; \ -+ d = ((unsigned char *)addrp)[3]; \ -+} while (0) -+#else -+#error "Please fix asm/byteorder.h" -+#endif /* __LITTLE_ENDIAN */ -+ -+#define TESTIP_WALK(map, elem, branch, full) \ -+ do { \ -+ branch = (map)->tree[elem]; \ -+ if (!branch) \ -+ return 0; \ -+ else if (branch == full) \ -+ return 1; \ -+ } while (0) -+ -+#define ADDIP_WALK(map, elem, branch, type, cachep, full) \ -+ do { \ -+ branch = (map)->tree[elem]; \ -+ if (!branch) { \ -+ branch = (type *) kmem_cache_alloc(cachep, GFP_ATOMIC); \ -+ if (!branch) \ -+ return -ENOMEM; \ -+ memset(branch, 0, sizeof(*branch)); \ -+ (map)->tree[elem] = branch; \ -+ } else if (branch == full) { \ -+ return -EEXIST; \ -+ } \ -+ } while (0) -+ -+#define ADDIP_RANGE_LOOP(map, a, a1, a2, hint, branch, full, cachep, free) \ -+ for (a = a1; a <= a2; a++) { \ -+ branch = (map)->tree[a]; \ -+ if (branch != full) { \ -+ if ((a > a1 && a < a2) || (hint)) { \ -+ if (branch) \ -+ free(branch); \ -+ (map)->tree[a] = full; \ -+ continue; \ -+ } else if (!branch) { \ -+ branch = kmem_cache_alloc(cachep, GFP_ATOMIC); \ -+ if (!branch) \ -+ return -ENOMEM; \ -+ memset(branch, 0, sizeof(*branch)); \ -+ (map)->tree[a] = branch; \ -+ } -+ -+#define ADDIP_RANGE_LOOP_END() \ -+ } \ -+ } -+ -+#define DELIP_WALK(map, elem, branch, cachep, full, flags) \ -+ do { \ -+ branch = (map)->tree[elem]; \ -+ if (!branch) { \ -+ return -EEXIST; \ -+ } else if (branch == full) { \ -+ branch = kmem_cache_alloc(cachep, flags); \ -+ if (!branch) \ -+ return -ENOMEM; \ -+ memcpy(branch, full, sizeof(*full)); \ -+ (map)->tree[elem] = branch; \ -+ } \ -+ } while (0) -+ -+#define DELIP_RANGE_LOOP(map, a, a1, a2, hint, branch, full, cachep, free, flags) \ -+ for (a = a1; a <= a2; a++) { \ -+ branch = (map)->tree[a]; \ -+ if (branch) { \ -+ if ((a > a1 && a < a2) || (hint)) { \ -+ if (branch != full) \ -+ free(branch); \ -+ (map)->tree[a] = NULL; \ -+ continue; \ -+ } else if (branch == full) { \ -+ branch = kmem_cache_alloc(cachep, flags); \ -+ if (!branch) \ -+ return -ENOMEM; \ -+ memcpy(branch, full, sizeof(*branch)); \ -+ (map)->tree[a] = branch; \ -+ } -+ -+#define DELIP_RANGE_LOOP_END() \ -+ } \ -+ } -+ -+#define LOOP_WALK_BEGIN(map, i, branch) \ -+ for (i = 0; i < 256; i++) { \ -+ branch = (map)->tree[i]; \ -+ if (likely(!branch)) \ -+ continue; -+ -+#define LOOP_WALK_END() \ -+ } -+ -+#define LOOP_WALK_BEGIN_GC(map, i, branch, full, cachep, count) \ -+ count = -256; \ -+ for (i = 0; i < 256; i++) { \ -+ branch = (map)->tree[i]; \ -+ if (likely(!branch)) \ -+ continue; \ -+ count++; \ -+ if (branch == full) { \ -+ count++; \ -+ continue; \ -+ } -+ -+#define LOOP_WALK_END_GC(map, i, branch, full, cachep, count) \ -+ if (-256 == count) { \ -+ kmem_cache_free(cachep, branch); \ -+ (map)->tree[i] = NULL; \ -+ } else if (256 == count) { \ -+ kmem_cache_free(cachep, branch); \ -+ (map)->tree[i] = full; \ -+ } \ -+ } -+ -+#define LOOP_WALK_BEGIN_COUNT(map, i, branch, inrange, count) \ -+ for (i = 0; i < 256; i++) { \ -+ if (!(map)->tree[i]) { \ -+ if (inrange) { \ -+ count++; \ -+ inrange = 0; \ -+ } \ -+ continue; \ -+ } \ -+ branch = (map)->tree[i]; -+ -+#define LOOP_WALK_END_COUNT() \ -+ } -+ -+#define GETVALUE1(a, a1, b1, r) \ -+ (a == a1 ? b1 : r) -+ -+#define GETVALUE2(a, b, a1, b1, c1, r) \ -+ (a == a1 && b == b1 ? c1 : r) -+ -+#define GETVALUE3(a, b, c, a1, b1, c1, d1, r) \ -+ (a == a1 && b == b1 && c == c1 ? d1 : r) -+ -+#define CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2) \ -+ ( \ -+ GETVALUE1(a, a1, b1, 0) == 0 \ -+ && GETVALUE1(a, a2, b2, 255) == 255 \ -+ && c1 == 0 \ -+ && c2 == 255 \ -+ && d1 == 0 \ -+ && d2 == 255 \ -+ ) -+ -+#define CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2) \ -+ ( \ -+ GETVALUE2(a, b, a1, b1, c1, 0) == 0 \ -+ && GETVALUE2(a, b, a2, b2, c2, 255) == 255 \ -+ && d1 == 0 \ -+ && d2 == 255 \ -+ ) -+ -+#define CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2) \ -+ ( \ -+ GETVALUE3(a, b, c, a1, b1, c1, d1, 0) == 0 \ -+ && GETVALUE3(a, b, c, a2, b2, c2, d2, 255) == 255 \ -+ ) -+ -+ -+static inline void -+free_d(struct ip_set_iptreemap_d *map) -+{ -+ kmem_cache_free(cachep_d, map); -+} -+ -+static inline void -+free_c(struct ip_set_iptreemap_c *map) -+{ -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int i; -+ -+ LOOP_WALK_BEGIN(map, i, dtree) { -+ if (dtree != fullbitmap_d) -+ free_d(dtree); -+ } LOOP_WALK_END(); -+ -+ kmem_cache_free(cachep_c, map); -+} -+ -+static inline void -+free_b(struct ip_set_iptreemap_b *map) -+{ -+ struct ip_set_iptreemap_c *ctree; -+ unsigned int i; -+ -+ LOOP_WALK_BEGIN(map, i, ctree) { -+ if (ctree != fullbitmap_c) -+ free_c(ctree); -+ } LOOP_WALK_END(); -+ -+ kmem_cache_free(cachep_b, map); -+} -+ -+static inline int -+iptreemap_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned char a, b, c, d; -+ -+ *hash_ip = ip; -+ -+ ABCD(a, b, c, d, hash_ip); -+ -+ TESTIP_WALK(map, a, btree, fullbitmap_b); -+ TESTIP_WALK(btree, b, ctree, fullbitmap_c); -+ TESTIP_WALK(ctree, c, dtree, fullbitmap_d); -+ -+ return !!test_bit(d, (void *) dtree->bitmap); -+} -+ -+#define KADT_CONDITION -+ -+UADT(iptreemap, test) -+KADT(iptreemap, test, ipaddr) -+ -+static inline int -+__addip_single(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iptreemap *map = (struct ip_set_iptreemap *) set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned char a, b, c, d; -+ -+ *hash_ip = ip; -+ -+ ABCD(a, b, c, d, hash_ip); -+ -+ ADDIP_WALK(map, a, btree, struct ip_set_iptreemap_b, cachep_b, fullbitmap_b); -+ ADDIP_WALK(btree, b, ctree, struct ip_set_iptreemap_c, cachep_c, fullbitmap_c); -+ ADDIP_WALK(ctree, c, dtree, struct ip_set_iptreemap_d, cachep_d, fullbitmap_d); -+ -+ if (__test_and_set_bit(d, (void *) dtree->bitmap)) -+ return -EEXIST; -+ -+ __set_bit(b, (void *) btree->dirty); -+ -+ return 0; -+} -+ -+static inline int -+iptreemap_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t start, ip_set_ip_t end) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int a, b, c, d; -+ unsigned char a1, b1, c1, d1; -+ unsigned char a2, b2, c2, d2; -+ -+ if (start == end) -+ return __addip_single(set, hash_ip, start); -+ -+ *hash_ip = start; -+ -+ ABCD(a1, b1, c1, d1, &start); -+ ABCD(a2, b2, c2, d2, &end); -+ -+ /* This is sooo ugly... */ -+ ADDIP_RANGE_LOOP(map, a, a1, a2, CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2), btree, fullbitmap_b, cachep_b, free_b) { -+ ADDIP_RANGE_LOOP(btree, b, GETVALUE1(a, a1, b1, 0), GETVALUE1(a, a2, b2, 255), CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2), ctree, fullbitmap_c, cachep_c, free_c) { -+ ADDIP_RANGE_LOOP(ctree, c, GETVALUE2(a, b, a1, b1, c1, 0), GETVALUE2(a, b, a2, b2, c2, 255), CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2), dtree, fullbitmap_d, cachep_d, free_d) { -+ for (d = GETVALUE3(a, b, c, a1, b1, c1, d1, 0); d <= GETVALUE3(a, b, c, a2, b2, c2, d2, 255); d++) -+ __set_bit(d, (void *) dtree->bitmap); -+ __set_bit(b, (void *) btree->dirty); -+ } ADDIP_RANGE_LOOP_END(); -+ } ADDIP_RANGE_LOOP_END(); -+ } ADDIP_RANGE_LOOP_END(); -+ -+ return 0; -+} -+ -+UADT0(iptreemap, add, min(req->ip, req->end), max(req->ip, req->end)) -+KADT(iptreemap, add, ipaddr, ip) -+ -+static inline int -+__delip_single(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, gfp_t flags) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned char a,b,c,d; -+ -+ *hash_ip = ip; -+ -+ ABCD(a, b, c, d, hash_ip); -+ -+ DELIP_WALK(map, a, btree, cachep_b, fullbitmap_b, flags); -+ DELIP_WALK(btree, b, ctree, cachep_c, fullbitmap_c, flags); -+ DELIP_WALK(ctree, c, dtree, cachep_d, fullbitmap_d, flags); -+ -+ if (!__test_and_clear_bit(d, (void *) dtree->bitmap)) -+ return -EEXIST; -+ -+ __set_bit(b, (void *) btree->dirty); -+ -+ return 0; -+} -+ -+static inline int -+iptreemap_del(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t start, ip_set_ip_t end, gfp_t flags) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int a, b, c, d; -+ unsigned char a1, b1, c1, d1; -+ unsigned char a2, b2, c2, d2; -+ -+ if (start == end) -+ return __delip_single(set, hash_ip, start, flags); -+ -+ *hash_ip = start; -+ -+ ABCD(a1, b1, c1, d1, &start); -+ ABCD(a2, b2, c2, d2, &end); -+ -+ /* This is sooo ugly... */ -+ DELIP_RANGE_LOOP(map, a, a1, a2, CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2), btree, fullbitmap_b, cachep_b, free_b, flags) { -+ DELIP_RANGE_LOOP(btree, b, GETVALUE1(a, a1, b1, 0), GETVALUE1(a, a2, b2, 255), CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2), ctree, fullbitmap_c, cachep_c, free_c, flags) { -+ DELIP_RANGE_LOOP(ctree, c, GETVALUE2(a, b, a1, b1, c1, 0), GETVALUE2(a, b, a2, b2, c2, 255), CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2), dtree, fullbitmap_d, cachep_d, free_d, flags) { -+ for (d = GETVALUE3(a, b, c, a1, b1, c1, d1, 0); d <= GETVALUE3(a, b, c, a2, b2, c2, d2, 255); d++) -+ __clear_bit(d, (void *) dtree->bitmap); -+ __set_bit(b, (void *) btree->dirty); -+ } DELIP_RANGE_LOOP_END(); -+ } DELIP_RANGE_LOOP_END(); -+ } DELIP_RANGE_LOOP_END(); -+ -+ return 0; -+} -+ -+UADT0(iptreemap, del, min(req->ip, req->end), max(req->ip, req->end), GFP_KERNEL) -+KADT(iptreemap, del, ipaddr, ip, GFP_ATOMIC) -+ -+/* Check the status of the bitmap -+ * -1 == all bits cleared -+ * 1 == all bits set -+ * 0 == anything else -+ */ -+static inline int -+bitmap_status(struct ip_set_iptreemap_d *dtree) -+{ -+ unsigned char first = dtree->bitmap[0]; -+ int a; -+ -+ for (a = 1; a < 32; a++) -+ if (dtree->bitmap[a] != first) -+ return 0; -+ -+ return (first == 0 ? -1 : (first == 255 ? 1 : 0)); -+} -+ -+static void -+gc(unsigned long addr) -+{ -+ struct ip_set *set = (struct ip_set *) addr; -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int a, b, c; -+ int i, j, k; -+ -+ write_lock_bh(&set->lock); -+ -+ LOOP_WALK_BEGIN_GC(map, a, btree, fullbitmap_b, cachep_b, i) { -+ LOOP_WALK_BEGIN_GC(btree, b, ctree, fullbitmap_c, cachep_c, j) { -+ if (!__test_and_clear_bit(b, (void *) btree->dirty)) -+ continue; -+ LOOP_WALK_BEGIN_GC(ctree, c, dtree, fullbitmap_d, cachep_d, k) { -+ switch (bitmap_status(dtree)) { -+ case -1: -+ kmem_cache_free(cachep_d, dtree); -+ ctree->tree[c] = NULL; -+ k--; -+ break; -+ case 1: -+ kmem_cache_free(cachep_d, dtree); -+ ctree->tree[c] = fullbitmap_d; -+ k++; -+ break; -+ } -+ } LOOP_WALK_END(); -+ } LOOP_WALK_END_GC(btree, b, ctree, fullbitmap_c, cachep_c, k); -+ } LOOP_WALK_END_GC(map, a, btree, fullbitmap_b, cachep_b, j); -+ -+ write_unlock_bh(&set->lock); -+ -+ map->gc.expires = jiffies + map->gc_interval * HZ; -+ add_timer(&map->gc); -+} -+ -+static inline void -+init_gc_timer(struct ip_set *set) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ -+ init_timer(&map->gc); -+ map->gc.data = (unsigned long) set; -+ map->gc.function = gc; -+ map->gc.expires = jiffies + map->gc_interval * HZ; -+ add_timer(&map->gc); -+} -+ -+static int -+iptreemap_create(struct ip_set *set, const void *data, u_int32_t size) -+{ -+ const struct ip_set_req_iptreemap_create *req = data; -+ struct ip_set_iptreemap *map; -+ -+ map = kzalloc(sizeof(*map), GFP_KERNEL); -+ if (!map) -+ return -ENOMEM; -+ -+ map->gc_interval = req->gc_interval ? req->gc_interval : IPTREEMAP_DEFAULT_GC_TIME; -+ set->data = map; -+ -+ init_gc_timer(set); -+ -+ return 0; -+} -+ -+static inline void -+__flush(struct ip_set_iptreemap *map) -+{ -+ struct ip_set_iptreemap_b *btree; -+ unsigned int a; -+ -+ LOOP_WALK_BEGIN(map, a, btree); -+ if (btree != fullbitmap_b) -+ free_b(btree); -+ LOOP_WALK_END(); -+} -+ -+static void -+iptreemap_destroy(struct ip_set *set) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ -+ while (!del_timer(&map->gc)) -+ msleep(IPTREEMAP_DESTROY_SLEEP); -+ -+ __flush(map); -+ kfree(map); -+ -+ set->data = NULL; -+} -+ -+static void -+iptreemap_flush(struct ip_set *set) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ -+ while (!del_timer(&map->gc)) -+ msleep(IPTREEMAP_DESTROY_SLEEP); -+ -+ __flush(map); -+ -+ memset(map, 0, sizeof(*map)); -+ -+ init_gc_timer(set); -+} -+ -+static void -+iptreemap_list_header(const struct ip_set *set, void *data) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_req_iptreemap_create *header = data; -+ -+ header->gc_interval = map->gc_interval; -+} -+ -+static int -+iptreemap_list_members_size(const struct ip_set *set) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int a, b, c, d, inrange = 0, count = 0; -+ -+ LOOP_WALK_BEGIN_COUNT(map, a, btree, inrange, count) { -+ LOOP_WALK_BEGIN_COUNT(btree, b, ctree, inrange, count) { -+ LOOP_WALK_BEGIN_COUNT(ctree, c, dtree, inrange, count) { -+ for (d = 0; d < 256; d++) { -+ if (test_bit(d, (void *) dtree->bitmap)) { -+ inrange = 1; -+ } else if (inrange) { -+ count++; -+ inrange = 0; -+ } -+ } -+ } LOOP_WALK_END_COUNT(); -+ } LOOP_WALK_END_COUNT(); -+ } LOOP_WALK_END_COUNT(); -+ -+ if (inrange) -+ count++; -+ -+ return (count * sizeof(struct ip_set_req_iptreemap)); -+} -+ -+static inline u_int32_t -+add_member(void *data, size_t offset, ip_set_ip_t start, ip_set_ip_t end) -+{ -+ struct ip_set_req_iptreemap *entry = data + offset; -+ -+ entry->ip = start; -+ entry->end = end; -+ -+ return sizeof(*entry); -+} -+ -+static void -+iptreemap_list_members(const struct ip_set *set, void *data) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int a, b, c, d, inrange = 0; -+ size_t offset = 0; -+ ip_set_ip_t start = 0, end = 0, ip; -+ -+ LOOP_WALK_BEGIN(map, a, btree) { -+ LOOP_WALK_BEGIN(btree, b, ctree) { -+ LOOP_WALK_BEGIN(ctree, c, dtree) { -+ for (d = 0; d < 256; d++) { -+ if (test_bit(d, (void *) dtree->bitmap)) { -+ ip = ((a << 24) | (b << 16) | (c << 8) | d); -+ if (!inrange) { -+ inrange = 1; -+ start = ip; -+ } else if (end < ip - 1) { -+ offset += add_member(data, offset, start, end); -+ start = ip; -+ } -+ end = ip; -+ } else if (inrange) { -+ offset += add_member(data, offset, start, end); -+ inrange = 0; -+ } -+ } -+ } LOOP_WALK_END(); -+ } LOOP_WALK_END(); -+ } LOOP_WALK_END(); -+ -+ if (inrange) -+ add_member(data, offset, start, end); -+} -+ -+IP_SET_TYPE(iptreemap, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Sven Wegener <sven.wegener@stealer.net>"); -+MODULE_DESCRIPTION("iptreemap type of IP sets"); -+ -+static int __init ip_set_iptreemap_init(void) -+{ -+ int ret = -ENOMEM; -+ int a; -+ -+ cachep_b = KMEM_CACHE_CREATE("ip_set_iptreemap_b", -+ sizeof(struct ip_set_iptreemap_b)); -+ if (!cachep_b) { -+ ip_set_printk("Unable to create ip_set_iptreemap_b slab cache"); -+ goto out; -+ } -+ -+ cachep_c = KMEM_CACHE_CREATE("ip_set_iptreemap_c", -+ sizeof(struct ip_set_iptreemap_c)); -+ if (!cachep_c) { -+ ip_set_printk("Unable to create ip_set_iptreemap_c slab cache"); -+ goto outb; -+ } -+ -+ cachep_d = KMEM_CACHE_CREATE("ip_set_iptreemap_d", -+ sizeof(struct ip_set_iptreemap_d)); -+ if (!cachep_d) { -+ ip_set_printk("Unable to create ip_set_iptreemap_d slab cache"); -+ goto outc; -+ } -+ -+ fullbitmap_d = kmem_cache_alloc(cachep_d, GFP_KERNEL); -+ if (!fullbitmap_d) -+ goto outd; -+ -+ fullbitmap_c = kmem_cache_alloc(cachep_c, GFP_KERNEL); -+ if (!fullbitmap_c) -+ goto outbitmapd; -+ -+ fullbitmap_b = kmem_cache_alloc(cachep_b, GFP_KERNEL); -+ if (!fullbitmap_b) -+ goto outbitmapc; -+ -+ ret = ip_set_register_set_type(&ip_set_iptreemap); -+ if (0 > ret) -+ goto outbitmapb; -+ -+ /* Now init our global bitmaps */ -+ memset(fullbitmap_d->bitmap, 0xff, sizeof(fullbitmap_d->bitmap)); -+ -+ for (a = 0; a < 256; a++) -+ fullbitmap_c->tree[a] = fullbitmap_d; -+ -+ for (a = 0; a < 256; a++) -+ fullbitmap_b->tree[a] = fullbitmap_c; -+ memset(fullbitmap_b->dirty, 0, sizeof(fullbitmap_b->dirty)); -+ -+ return 0; -+ -+outbitmapb: -+ kmem_cache_free(cachep_b, fullbitmap_b); -+outbitmapc: -+ kmem_cache_free(cachep_c, fullbitmap_c); -+outbitmapd: -+ kmem_cache_free(cachep_d, fullbitmap_d); -+outd: -+ kmem_cache_destroy(cachep_d); -+outc: -+ kmem_cache_destroy(cachep_c); -+outb: -+ kmem_cache_destroy(cachep_b); -+out: -+ -+ return ret; -+} -+ -+static void __exit ip_set_iptreemap_fini(void) -+{ -+ ip_set_unregister_set_type(&ip_set_iptreemap); -+ kmem_cache_free(cachep_d, fullbitmap_d); -+ kmem_cache_free(cachep_c, fullbitmap_c); -+ kmem_cache_free(cachep_b, fullbitmap_b); -+ kmem_cache_destroy(cachep_d); -+ kmem_cache_destroy(cachep_c); -+ kmem_cache_destroy(cachep_b); -+} -+ -+module_init(ip_set_iptreemap_init); -+module_exit(ip_set_iptreemap_fini); ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_macipmap.c -@@ -0,0 +1,164 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Martin Josefsson <gandalf@wlug.westbo.se> -+ * Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an IP set type: the macipmap type */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/if_ether.h> -+ -+#include <linux/netfilter_ipv4/ip_set_macipmap.h> -+ -+static int -+macipmap_utest(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ const struct ip_set_macipmap *map = set->data; -+ const struct ip_set_macip *table = map->members; -+ const struct ip_set_req_macipmap *req = data; -+ -+ if (req->ip < map->first_ip || req->ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = req->ip; -+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(req->ip), HIPQUAD(*hash_ip)); -+ if (table[req->ip - map->first_ip].match) { -+ return (memcmp(req->ethernet, -+ &table[req->ip - map->first_ip].ethernet, -+ ETH_ALEN) == 0); -+ } else { -+ return (map->flags & IPSET_MACIP_MATCHUNSET ? 1 : 0); -+ } -+} -+ -+static int -+macipmap_ktest(struct ip_set *set, -+ const struct sk_buff *skb, -+ ip_set_ip_t *hash_ip, -+ const u_int32_t *flags, -+ unsigned char index) -+{ -+ const struct ip_set_macipmap *map = set->data; -+ const struct ip_set_macip *table = map->members; -+ ip_set_ip_t ip; -+ -+ ip = ipaddr(skb, flags[index]); -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return 0; -+ -+ *hash_ip = ip; -+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ if (table[ip - map->first_ip].match) { -+ /* Is mac pointer valid? -+ * If so, compare... */ -+ return (skb_mac_header(skb) >= skb->head -+ && (skb_mac_header(skb) + ETH_HLEN) <= skb->data -+ && (memcmp(eth_hdr(skb)->h_source, -+ &table[ip - map->first_ip].ethernet, -+ ETH_ALEN) == 0)); -+ } else { -+ return (map->flags & IPSET_MACIP_MATCHUNSET ? 1 : 0); -+ } -+} -+ -+/* returns 0 on success */ -+static inline int -+macipmap_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, const unsigned char *ethernet) -+{ -+ struct ip_set_macipmap *map = set->data; -+ struct ip_set_macip *table = map->members; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ if (table[ip - map->first_ip].match) -+ return -EEXIST; -+ -+ *hash_ip = ip; -+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ memcpy(&table[ip - map->first_ip].ethernet, ethernet, ETH_ALEN); -+ table[ip - map->first_ip].match = IPSET_MACIP_ISSET; -+ return 0; -+} -+ -+#define KADT_CONDITION \ -+ if (!(skb_mac_header(skb) >= skb->head \ -+ && (skb_mac_header(skb) + ETH_HLEN) <= skb->data))\ -+ return -EINVAL; -+ -+UADT(macipmap, add, req->ethernet) -+KADT(macipmap, add, ipaddr, eth_hdr(skb)->h_source) -+ -+static inline int -+macipmap_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_macipmap *map = set->data; -+ struct ip_set_macip *table = map->members; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ if (!table[ip - map->first_ip].match) -+ return -EEXIST; -+ -+ *hash_ip = ip; -+ table[ip - map->first_ip].match = 0; -+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ return 0; -+} -+ -+#undef KADT_CONDITION -+#define KADT_CONDITION -+ -+UADT(macipmap, del) -+KADT(macipmap, del, ipaddr) -+ -+static inline int -+__macipmap_create(const struct ip_set_req_macipmap_create *req, -+ struct ip_set_macipmap *map) -+{ -+ if (req->to - req->from > MAX_RANGE) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ req->to - req->from + 1, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ map->flags = req->flags; -+ return (req->to - req->from + 1) * sizeof(struct ip_set_macip); -+} -+ -+BITMAP_CREATE(macipmap) -+BITMAP_DESTROY(macipmap) -+BITMAP_FLUSH(macipmap) -+ -+static inline void -+__macipmap_list_header(const struct ip_set_macipmap *map, -+ struct ip_set_req_macipmap_create *header) -+{ -+ header->flags = map->flags; -+} -+ -+BITMAP_LIST_HEADER(macipmap) -+BITMAP_LIST_MEMBERS_SIZE(macipmap) -+BITMAP_LIST_MEMBERS(macipmap) -+ -+IP_SET_TYPE(macipmap, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("macipmap type of IP sets"); -+ -+REGISTER_MODULE(macipmap) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_nethash.c -@@ -0,0 +1,225 @@ -+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing a cidr nethash set */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/random.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_nethash.h> -+ -+static int limit = MAX_RANGE; -+ -+static inline __u32 -+nethash_id_cidr(const struct ip_set_nethash *map, -+ ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, -+ uint8_t cidr) -+{ -+ __u32 id; -+ u_int16_t i; -+ ip_set_ip_t *elem; -+ -+ *hash_ip = pack_ip_cidr(ip, cidr); -+ if (!*hash_ip) -+ return MAX_RANGE; -+ -+ for (i = 0; i < map->probes; i++) { -+ id = jhash_ip(map, i, *hash_ip) % map->hashsize; -+ DP("hash key: %u", id); -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ if (*elem == *hash_ip) -+ return id; -+ /* No shortcut - there can be deleted entries. */ -+ } -+ return UINT_MAX; -+} -+ -+static inline __u32 -+nethash_id(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ const struct ip_set_nethash *map = set->data; -+ __u32 id = UINT_MAX; -+ int i; -+ -+ for (i = 0; i < 30 && map->cidr[i]; i++) { -+ id = nethash_id_cidr(map, hash_ip, ip, map->cidr[i]); -+ if (id != UINT_MAX) -+ break; -+ } -+ return id; -+} -+ -+static inline int -+nethash_test_cidr(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, uint8_t cidr) -+{ -+ const struct ip_set_nethash *map = set->data; -+ -+ return (nethash_id_cidr(map, hash_ip, ip, cidr) != UINT_MAX); -+} -+ -+static inline int -+nethash_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ return (nethash_id(set, hash_ip, ip) != UINT_MAX); -+} -+ -+static int -+nethash_utest(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ const struct ip_set_req_nethash *req = data; -+ -+ if (req->cidr <= 0 || req->cidr > 32) -+ return -EINVAL; -+ return (req->cidr == 32 ? nethash_test(set, hash_ip, req->ip) -+ : nethash_test_cidr(set, hash_ip, req->ip, req->cidr)); -+} -+ -+#define KADT_CONDITION -+ -+KADT(nethash, test, ipaddr) -+ -+static inline int -+__nethash_add(struct ip_set_nethash *map, ip_set_ip_t *ip) -+{ -+ __u32 probe; -+ u_int16_t i; -+ ip_set_ip_t *elem, *slot = NULL; -+ -+ for (i = 0; i < map->probes; i++) { -+ probe = jhash_ip(map, i, *ip) % map->hashsize; -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe); -+ if (*elem == *ip) -+ return -EEXIST; -+ if (!(slot || *elem)) -+ slot = elem; -+ /* There can be deleted entries, must check all slots */ -+ } -+ if (slot) { -+ *slot = *ip; -+ map->elements++; -+ return 0; -+ } -+ /* Trigger rehashing */ -+ return -EAGAIN; -+} -+ -+static inline int -+nethash_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, uint8_t cidr) -+{ -+ struct ip_set_nethash *map = set->data; -+ int ret; -+ -+ if (map->elements >= limit || map->nets[cidr-1] == UINT16_MAX) -+ return -ERANGE; -+ if (cidr <= 0 || cidr >= 32) -+ return -EINVAL; -+ -+ *hash_ip = pack_ip_cidr(ip, cidr); -+ DP("%u.%u.%u.%u/%u, %u.%u.%u.%u", HIPQUAD(ip), cidr, HIPQUAD(*hash_ip)); -+ if (!*hash_ip) -+ return -ERANGE; -+ -+ ret = __nethash_add(map, hash_ip); -+ if (ret == 0) { -+ if (!map->nets[cidr-1]++) -+ add_cidr_size(map->cidr, cidr); -+ map->elements++; -+ } -+ -+ return ret; -+} -+ -+#undef KADT_CONDITION -+#define KADT_CONDITION \ -+ struct ip_set_nethash *map = set->data; \ -+ uint8_t cidr = map->cidr[0] ? map->cidr[0] : 31; -+ -+UADT(nethash, add, req->cidr) -+KADT(nethash, add, ipaddr, cidr) -+ -+static inline void -+__nethash_retry(struct ip_set_nethash *tmp, struct ip_set_nethash *map) -+{ -+ memcpy(tmp->cidr, map->cidr, sizeof(tmp->cidr)); -+ memcpy(tmp->nets, map->nets, sizeof(tmp->nets)); -+} -+ -+HASH_RETRY(nethash, ip_set_ip_t) -+ -+static inline int -+nethash_del(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, uint8_t cidr) -+{ -+ struct ip_set_nethash *map = set->data; -+ ip_set_ip_t id, *elem; -+ -+ if (cidr <= 0 || cidr >= 32) -+ return -EINVAL; -+ -+ id = nethash_id_cidr(map, hash_ip, ip, cidr); -+ if (id == UINT_MAX) -+ return -EEXIST; -+ -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ *elem = 0; -+ map->elements--; -+ if (!map->nets[cidr-1]--) -+ del_cidr_size(map->cidr, cidr); -+ return 0; -+} -+ -+UADT(nethash, del, req->cidr) -+KADT(nethash, del, ipaddr, cidr) -+ -+static inline int -+__nethash_create(const struct ip_set_req_nethash_create *req, -+ struct ip_set_nethash *map) -+{ -+ memset(map->cidr, 0, sizeof(map->cidr)); -+ memset(map->nets, 0, sizeof(map->nets)); -+ -+ return 0; -+} -+ -+HASH_CREATE(nethash, ip_set_ip_t) -+HASH_DESTROY(nethash) -+ -+HASH_FLUSH_CIDR(nethash, ip_set_ip_t) -+ -+static inline void -+__nethash_list_header(const struct ip_set_nethash *map, -+ struct ip_set_req_nethash_create *header) -+{ -+} -+ -+HASH_LIST_HEADER(nethash) -+HASH_LIST_MEMBERS_SIZE(nethash, ip_set_ip_t) -+HASH_LIST_MEMBERS(nethash, ip_set_ip_t) -+ -+IP_SET_RTYPE(nethash, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("nethash type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+REGISTER_MODULE(nethash) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_portmap.c -@@ -0,0 +1,114 @@ -+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing a port set type as a bitmap */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/tcp.h> -+#include <linux/udp.h> -+#include <linux/skbuff.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_portmap.h> -+#include <linux/netfilter_ipv4/ip_set_getport.h> -+ -+static inline int -+portmap_test(const struct ip_set *set, ip_set_ip_t *hash_port, -+ ip_set_ip_t port) -+{ -+ const struct ip_set_portmap *map = set->data; -+ -+ if (port < map->first_ip || port > map->last_ip) -+ return -ERANGE; -+ -+ *hash_port = port; -+ DP("set: %s, port:%u, %u", set->name, port, *hash_port); -+ return !!test_bit(port - map->first_ip, map->members); -+} -+ -+#define KADT_CONDITION \ -+ if (ip == INVALID_PORT) \ -+ return 0; -+ -+UADT(portmap, test) -+KADT(portmap, test, get_port) -+ -+static inline int -+portmap_add(struct ip_set *set, ip_set_ip_t *hash_port, ip_set_ip_t port) -+{ -+ struct ip_set_portmap *map = set->data; -+ -+ if (port < map->first_ip || port > map->last_ip) -+ return -ERANGE; -+ if (test_and_set_bit(port - map->first_ip, map->members)) -+ return -EEXIST; -+ -+ *hash_port = port; -+ DP("port %u", port); -+ return 0; -+} -+ -+UADT(portmap, add) -+KADT(portmap, add, get_port) -+ -+static inline int -+portmap_del(struct ip_set *set, ip_set_ip_t *hash_port, ip_set_ip_t port) -+{ -+ struct ip_set_portmap *map = set->data; -+ -+ if (port < map->first_ip || port > map->last_ip) -+ return -ERANGE; -+ if (!test_and_clear_bit(port - map->first_ip, map->members)) -+ return -EEXIST; -+ -+ *hash_port = port; -+ DP("port %u", port); -+ return 0; -+} -+ -+UADT(portmap, del) -+KADT(portmap, del, get_port) -+ -+static inline int -+__portmap_create(const struct ip_set_req_portmap_create *req, -+ struct ip_set_portmap *map) -+{ -+ if (req->to - req->from > MAX_RANGE) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ req->to - req->from + 1, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ return bitmap_bytes(req->from, req->to); -+} -+ -+BITMAP_CREATE(portmap) -+BITMAP_DESTROY(portmap) -+BITMAP_FLUSH(portmap) -+ -+static inline void -+__portmap_list_header(const struct ip_set_portmap *map, -+ struct ip_set_req_portmap_create *header) -+{ -+} -+ -+BITMAP_LIST_HEADER(portmap) -+BITMAP_LIST_MEMBERS_SIZE(portmap) -+BITMAP_LIST_MEMBERS(portmap) -+ -+IP_SET_TYPE(portmap, IPSET_TYPE_PORT | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("portmap type of IP sets"); -+ -+REGISTER_MODULE(portmap) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_setlist.c -@@ -0,0 +1,330 @@ -+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an IP set type: the setlist type */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/errno.h> -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+#include <linux/netfilter_ipv4/ip_set_setlist.h> -+ -+/* -+ * before ==> index, ref -+ * after ==> ref, index -+ */ -+ -+static inline int -+next_index_eq(const struct ip_set_setlist *map, int i, ip_set_id_t index) -+{ -+ return i < map->size && map->index[i] == index; -+} -+ -+static int -+setlist_utest(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ const struct ip_set_setlist *map = set->data; -+ const struct ip_set_req_setlist *req = data; -+ ip_set_id_t index, ref = IP_SET_INVALID_ID; -+ int i, res = 0; -+ struct ip_set *s; -+ -+ if (req->before && req->ref[0] == '\0') -+ return 0; -+ -+ index = __ip_set_get_byname(req->name, &s); -+ if (index == IP_SET_INVALID_ID) -+ return 0; -+ if (req->ref[0] != '\0') { -+ ref = __ip_set_get_byname(req->ref, &s); -+ if (ref == IP_SET_INVALID_ID) -+ goto finish; -+ } -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID; i++) { -+ if (req->before && map->index[i] == index) { -+ res = next_index_eq(map, i + 1, ref); -+ break; -+ } else if (!req->before) { -+ if ((ref == IP_SET_INVALID_ID -+ && map->index[i] == index) -+ || (map->index[i] == ref -+ && next_index_eq(map, i + 1, index))) { -+ res = 1; -+ break; -+ } -+ } -+ } -+ if (ref != IP_SET_INVALID_ID) -+ __ip_set_put_byindex(ref); -+finish: -+ __ip_set_put_byindex(index); -+ return res; -+} -+ -+static int -+setlist_ktest(struct ip_set *set, -+ const struct sk_buff *skb, -+ ip_set_ip_t *hash_ip, -+ const u_int32_t *flags, -+ unsigned char index) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i, res = 0; -+ -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID -+ && res == 0; i++) -+ res = ip_set_testip_kernel(map->index[i], skb, flags); -+ return res; -+} -+ -+static inline int -+insert_setlist(struct ip_set_setlist *map, int i, ip_set_id_t index) -+{ -+ ip_set_id_t tmp; -+ int j; -+ -+ DP("i: %u, last %u\n", i, map->index[map->size - 1]); -+ if (i >= map->size || map->index[map->size - 1] != IP_SET_INVALID_ID) -+ return -ERANGE; -+ -+ for (j = i; j < map->size -+ && index != IP_SET_INVALID_ID; j++) { -+ tmp = map->index[j]; -+ map->index[j] = index; -+ index = tmp; -+ } -+ return 0; -+} -+ -+static int -+setlist_uadd(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_setlist *map = set->data; -+ const struct ip_set_req_setlist *req = data; -+ ip_set_id_t index, ref = IP_SET_INVALID_ID; -+ int i, res = -ERANGE; -+ struct ip_set *s; -+ -+ if (req->before && req->ref[0] == '\0') -+ return -EINVAL; -+ -+ index = __ip_set_get_byname(req->name, &s); -+ if (index == IP_SET_INVALID_ID) -+ return -EEXIST; -+ /* "Loop detection" */ -+ if (strcmp(s->type->typename, "setlist") == 0) -+ goto finish; -+ -+ if (req->ref[0] != '\0') { -+ ref = __ip_set_get_byname(req->ref, &s); -+ if (ref == IP_SET_INVALID_ID) { -+ res = -EEXIST; -+ goto finish; -+ } -+ } -+ for (i = 0; i < map->size; i++) { -+ if (map->index[i] != ref) -+ continue; -+ if (req->before) -+ res = insert_setlist(map, i, index); -+ else -+ res = insert_setlist(map, -+ ref == IP_SET_INVALID_ID ? i : i + 1, -+ index); -+ break; -+ } -+ if (ref != IP_SET_INVALID_ID) -+ __ip_set_put_byindex(ref); -+ /* In case of success, we keep the reference to the set */ -+finish: -+ if (res != 0) -+ __ip_set_put_byindex(index); -+ return res; -+} -+ -+static int -+setlist_kadd(struct ip_set *set, -+ const struct sk_buff *skb, -+ ip_set_ip_t *hash_ip, -+ const u_int32_t *flags, -+ unsigned char index) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i, res = -EINVAL; -+ -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID -+ && res != 0; i++) -+ res = ip_set_addip_kernel(map->index[i], skb, flags); -+ return res; -+} -+ -+static inline int -+unshift_setlist(struct ip_set_setlist *map, int i) -+{ -+ int j; -+ -+ for (j = i; j < map->size - 1; j++) -+ map->index[j] = map->index[j+1]; -+ map->index[map->size-1] = IP_SET_INVALID_ID; -+ return 0; -+} -+ -+static int -+setlist_udel(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_setlist *map = set->data; -+ const struct ip_set_req_setlist *req = data; -+ ip_set_id_t index, ref = IP_SET_INVALID_ID; -+ int i, res = -EEXIST; -+ struct ip_set *s; -+ -+ if (req->before && req->ref[0] == '\0') -+ return -EINVAL; -+ -+ index = __ip_set_get_byname(req->name, &s); -+ if (index == IP_SET_INVALID_ID) -+ return -EEXIST; -+ if (req->ref[0] != '\0') { -+ ref = __ip_set_get_byname(req->ref, &s); -+ if (ref == IP_SET_INVALID_ID) -+ goto finish; -+ } -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID; i++) { -+ if (req->before) { -+ if (map->index[i] == index -+ && next_index_eq(map, i + 1, ref)) { -+ res = unshift_setlist(map, i); -+ break; -+ } -+ } else if (ref == IP_SET_INVALID_ID) { -+ if (map->index[i] == index) { -+ res = unshift_setlist(map, i); -+ break; -+ } -+ } else if (map->index[i] == ref -+ && next_index_eq(map, i + 1, index)) { -+ res = unshift_setlist(map, i + 1); -+ break; -+ } -+ } -+ if (ref != IP_SET_INVALID_ID) -+ __ip_set_put_byindex(ref); -+finish: -+ __ip_set_put_byindex(index); -+ /* In case of success, release the reference to the set */ -+ if (res == 0) -+ __ip_set_put_byindex(index); -+ return res; -+} -+ -+static int -+setlist_kdel(struct ip_set *set, -+ const struct sk_buff *skb, -+ ip_set_ip_t *hash_ip, -+ const u_int32_t *flags, -+ unsigned char index) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i, res = -EINVAL; -+ -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID -+ && res != 0; i++) -+ res = ip_set_delip_kernel(map->index[i], skb, flags); -+ return res; -+} -+ -+static int -+setlist_create(struct ip_set *set, const void *data, u_int32_t size) -+{ -+ struct ip_set_setlist *map; -+ const struct ip_set_req_setlist_create *req = data; -+ int i; -+ -+ map = kmalloc(sizeof(struct ip_set_setlist) + -+ req->size * sizeof(ip_set_id_t), GFP_KERNEL); -+ if (!map) -+ return -ENOMEM; -+ map->size = req->size; -+ for (i = 0; i < map->size; i++) -+ map->index[i] = IP_SET_INVALID_ID; -+ -+ set->data = map; -+ return 0; -+} -+ -+static void -+setlist_destroy(struct ip_set *set) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i; -+ -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID; i++) -+ __ip_set_put_byindex(map->index[i]); -+ -+ kfree(map); -+ set->data = NULL; -+} -+ -+static void -+setlist_flush(struct ip_set *set) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i; -+ -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID; i++) { -+ __ip_set_put_byindex(map->index[i]); -+ map->index[i] = IP_SET_INVALID_ID; -+ } -+} -+ -+static void -+setlist_list_header(const struct ip_set *set, void *data) -+{ -+ const struct ip_set_setlist *map = set->data; -+ struct ip_set_req_setlist_create *header = data; -+ -+ header->size = map->size; -+} -+ -+static int -+setlist_list_members_size(const struct ip_set *set) -+{ -+ const struct ip_set_setlist *map = set->data; -+ -+ return map->size * sizeof(ip_set_id_t); -+} -+ -+static void -+setlist_list_members(const struct ip_set *set, void *data) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i; -+ -+ for (i = 0; i < map->size; i++) -+ *((ip_set_id_t *)data + i) = ip_set_id(map->index[i]); -+} -+ -+IP_SET_TYPE(setlist, IPSET_TYPE_SETNAME | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("setlist type of IP sets"); -+ -+REGISTER_MODULE(setlist) ---- /dev/null -+++ b/net/ipv4/netfilter/ipt_set.c -@@ -0,0 +1,238 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Martin Josefsson <gandalf@wlug.westbo.se> -+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module to match an IP set. */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/version.h> -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) -+#include <linux/netfilter_ipv4/ip_tables.h> -+#define xt_register_match ipt_register_match -+#define xt_unregister_match ipt_unregister_match -+#define xt_match ipt_match -+#else -+#include <linux/netfilter/x_tables.h> -+#endif -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ipt_set.h> -+ -+static inline int -+match_set(const struct ipt_set_info *info, -+ const struct sk_buff *skb, -+ int inv) -+{ -+ if (ip_set_testip_kernel(info->index, skb, info->flags)) -+ inv = !inv; -+ return inv; -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) -+static int -+match(const struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ const void *matchinfo, -+ int offset, -+ const void *hdr, -+ u_int16_t datalen, -+ int *hotdrop) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) -+static int -+match(const struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ const void *matchinfo, -+ int offset, -+ int *hotdrop) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static int -+match(const struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ const void *matchinfo, -+ int offset, -+ unsigned int protoff, -+ int *hotdrop) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -+static int -+match(const struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ const struct xt_match *match, -+ const void *matchinfo, -+ int offset, -+ unsigned int protoff, -+ int *hotdrop) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+static bool -+match(const struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ const struct xt_match *match, -+ const void *matchinfo, -+ int offset, -+ unsigned int protoff, -+ bool *hotdrop) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+static bool -+match(const struct sk_buff *skb, -+ const struct xt_match_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ const struct ipt_set_info_match *info = matchinfo; -+#else -+ const struct ipt_set_info_match *info = par->matchinfo; -+#endif -+ -+ return match_set(&info->match_set, -+ skb, -+ info->match_set.flags[0] & IPSET_MATCH_INV); -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) -+static int -+checkentry(const char *tablename, -+ const struct ipt_ip *ip, -+ void *matchinfo, -+ unsigned int matchsize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static int -+checkentry(const char *tablename, -+ const void *inf, -+ void *matchinfo, -+ unsigned int matchsize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+static int -+checkentry(const char *tablename, -+ const void *inf, -+ const struct xt_match *match, -+ void *matchinfo, -+ unsigned int matchsize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -+static int -+checkentry(const char *tablename, -+ const void *inf, -+ const struct xt_match *match, -+ void *matchinfo, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+static bool -+checkentry(const char *tablename, -+ const void *inf, -+ const struct xt_match *match, -+ void *matchinfo, -+ unsigned int hook_mask) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+static bool -+checkentry(const struct xt_mtchk_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ struct ipt_set_info_match *info = matchinfo; -+#else -+ struct ipt_set_info_match *info = par->matchinfo; -+#endif -+ ip_set_id_t index; -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+ if (matchsize != IPT_ALIGN(sizeof(struct ipt_set_info_match))) { -+ ip_set_printk("invalid matchsize %d", matchsize); -+ return 0; -+ } -+#endif -+ -+ index = ip_set_get_byindex(info->match_set.index); -+ -+ if (index == IP_SET_INVALID_ID) { -+ ip_set_printk("Cannot find set indentified by id %u to match", -+ info->match_set.index); -+ return 0; /* error */ -+ } -+ if (info->match_set.flags[IP_SET_MAX_BINDINGS] != 0) { -+ ip_set_printk("That's nasty!"); -+ return 0; /* error */ -+ } -+ -+ return 1; -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static void destroy(void *matchinfo, -+ unsigned int matchsize) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+static void destroy(const struct xt_match *match, -+ void *matchinfo, -+ unsigned int matchsize) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+static void destroy(const struct xt_match *match, -+ void *matchinfo) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+static void destroy(const struct xt_mtdtor_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ struct ipt_set_info_match *info = matchinfo; -+#else -+ struct ipt_set_info_match *info = par->matchinfo; -+#endif -+ -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+ if (matchsize != IPT_ALIGN(sizeof(struct ipt_set_info_match))) { -+ ip_set_printk("invalid matchsize %d", matchsize); -+ return; -+ } -+#endif -+ ip_set_put_byindex(info->match_set.index); -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static struct xt_match set_match = { -+ .name = "set", -+ .match = &match, -+ .checkentry = &checkentry, -+ .destroy = &destroy, -+ .me = THIS_MODULE -+}; -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17) */ -+static struct xt_match set_match = { -+ .name = "set", -+ .family = AF_INET, -+ .match = &match, -+ .matchsize = sizeof(struct ipt_set_info_match), -+ .checkentry = &checkentry, -+ .destroy = &destroy, -+ .me = THIS_MODULE -+}; -+#endif -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("iptables IP set match module"); -+ -+static int __init ipt_ipset_init(void) -+{ -+ return xt_register_match(&set_match); -+} -+ -+static void __exit ipt_ipset_fini(void) -+{ -+ xt_unregister_match(&set_match); -+} -+ -+module_init(ipt_ipset_init); -+module_exit(ipt_ipset_fini); ---- /dev/null -+++ b/net/ipv4/netfilter/ipt_SET.c -@@ -0,0 +1,242 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Martin Josefsson <gandalf@wlug.westbo.se> -+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* ipt_SET.c - netfilter target to manipulate IP sets */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/version.h> -+ -+#include <linux/netfilter_ipv4.h> -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) -+#include <linux/netfilter_ipv4/ip_tables.h> -+#define xt_register_target ipt_register_target -+#define xt_unregister_target ipt_unregister_target -+#define xt_target ipt_target -+#define XT_CONTINUE IPT_CONTINUE -+#else -+#include <linux/netfilter/x_tables.h> -+#endif -+#include <linux/netfilter_ipv4/ipt_set.h> -+ -+static unsigned int -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) -+target(struct sk_buff **pskb, -+ unsigned int hooknum, -+ const struct net_device *in, -+ const struct net_device *out, -+ const void *targinfo, -+ void *userinfo) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+target(struct sk_buff **pskb, -+ const struct net_device *in, -+ const struct net_device *out, -+ unsigned int hooknum, -+ const void *targinfo, -+ void *userinfo) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+target(struct sk_buff **pskb, -+ const struct net_device *in, -+ const struct net_device *out, -+ unsigned int hooknum, -+ const struct xt_target *target, -+ const void *targinfo, -+ void *userinfo) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24) -+target(struct sk_buff **pskb, -+ const struct net_device *in, -+ const struct net_device *out, -+ unsigned int hooknum, -+ const struct xt_target *target, -+ const void *targinfo) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+target(struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ unsigned int hooknum, -+ const struct xt_target *target, -+ const void *targinfo) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+target(struct sk_buff *skb, -+ const struct xt_target_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ const struct ipt_set_info_target *info = targinfo; -+#else -+ const struct ipt_set_info_target *info = par->targinfo; -+#endif -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24) -+ struct sk_buff *skb = *pskb; -+#endif -+ -+ -+ if (info->add_set.index != IP_SET_INVALID_ID) -+ ip_set_addip_kernel(info->add_set.index, -+ skb, -+ info->add_set.flags); -+ if (info->del_set.index != IP_SET_INVALID_ID) -+ ip_set_delip_kernel(info->del_set.index, -+ skb, -+ info->del_set.flags); -+ -+ return XT_CONTINUE; -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) -+static int -+checkentry(const char *tablename, -+ const struct ipt_entry *e, -+ void *targinfo, -+ unsigned int targinfosize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static int -+checkentry(const char *tablename, -+ const void *e, -+ void *targinfo, -+ unsigned int targinfosize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+static int -+checkentry(const char *tablename, -+ const void *e, -+ const struct xt_target *target, -+ void *targinfo, -+ unsigned int targinfosize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -+static int -+checkentry(const char *tablename, -+ const void *e, -+ const struct xt_target *target, -+ void *targinfo, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+static bool -+checkentry(const char *tablename, -+ const void *e, -+ const struct xt_target *target, -+ void *targinfo, -+ unsigned int hook_mask) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+static bool -+checkentry(const struct xt_tgchk_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ const struct ipt_set_info_target *info = targinfo; -+#else -+ const struct ipt_set_info_target *info = par->targinfo; -+#endif -+ ip_set_id_t index; -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+ if (targinfosize != IPT_ALIGN(sizeof(*info))) { -+ DP("bad target info size %u", targinfosize); -+ return 0; -+ } -+#endif -+ -+ if (info->add_set.index != IP_SET_INVALID_ID) { -+ index = ip_set_get_byindex(info->add_set.index); -+ if (index == IP_SET_INVALID_ID) { -+ ip_set_printk("cannot find add_set index %u as target", -+ info->add_set.index); -+ return 0; /* error */ -+ } -+ } -+ -+ if (info->del_set.index != IP_SET_INVALID_ID) { -+ index = ip_set_get_byindex(info->del_set.index); -+ if (index == IP_SET_INVALID_ID) { -+ ip_set_printk("cannot find del_set index %u as target", -+ info->del_set.index); -+ return 0; /* error */ -+ } -+ } -+ if (info->add_set.flags[IP_SET_MAX_BINDINGS] != 0 -+ || info->del_set.flags[IP_SET_MAX_BINDINGS] != 0) { -+ ip_set_printk("That's nasty!"); -+ return 0; /* error */ -+ } -+ -+ return 1; -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static void destroy(void *targetinfo, -+ unsigned int targetsize) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+static void destroy(const struct xt_target *target, -+ void *targetinfo, -+ unsigned int targetsize) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+static void destroy(const struct xt_target *target, -+ void *targetinfo) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+static void destroy(const struct xt_tgdtor_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ const struct ipt_set_info_target *info = targetinfo; -+#else -+ const struct ipt_set_info_target *info = par->targinfo; -+#endif -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+ if (targetsize != IPT_ALIGN(sizeof(struct ipt_set_info_target))) { -+ ip_set_printk("invalid targetsize %d", targetsize); -+ return; -+ } -+#endif -+ if (info->add_set.index != IP_SET_INVALID_ID) -+ ip_set_put_byindex(info->add_set.index); -+ if (info->del_set.index != IP_SET_INVALID_ID) -+ ip_set_put_byindex(info->del_set.index); -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static struct xt_target SET_target = { -+ .name = "SET", -+ .target = target, -+ .checkentry = checkentry, -+ .destroy = destroy, -+ .me = THIS_MODULE -+}; -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17) */ -+static struct xt_target SET_target = { -+ .name = "SET", -+ .family = AF_INET, -+ .target = target, -+ .targetsize = sizeof(struct ipt_set_info_target), -+ .checkentry = checkentry, -+ .destroy = destroy, -+ .me = THIS_MODULE -+}; -+#endif -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("iptables IP set target module"); -+ -+static int __init ipt_SET_init(void) -+{ -+ return xt_register_target(&SET_target); -+} -+ -+static void __exit ipt_SET_fini(void) -+{ -+ xt_unregister_target(&SET_target); -+} -+ -+module_init(ipt_SET_init); -+module_exit(ipt_SET_fini); ---- a/net/ipv4/netfilter/Kconfig -+++ b/net/ipv4/netfilter/Kconfig -@@ -379,5 +379,146 @@ config IP_NF_ARP_MANGLE - Allows altering the ARP packet payload: source and destination - hardware and network addresses. - -+config IP_NF_SET -+ tristate "IP set support" -+ depends on INET && NETFILTER -+ help -+ This option adds IP set support to the kernel. -+ In order to define and use sets, you need the userspace utility -+ ipset(8). -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_MAX -+ int "Maximum number of IP sets" -+ default 256 -+ range 2 65534 -+ depends on IP_NF_SET -+ help -+ You can define here default value of the maximum number -+ of IP sets for the kernel. -+ -+ The value can be overriden by the 'max_sets' module -+ parameter of the 'ip_set' module. -+ -+config IP_NF_SET_HASHSIZE -+ int "Hash size for bindings of IP sets" -+ default 1024 -+ depends on IP_NF_SET -+ help -+ You can define here default value of the hash size for -+ bindings of IP sets. -+ -+ The value can be overriden by the 'hash_size' module -+ parameter of the 'ip_set' module. -+ -+config IP_NF_SET_IPMAP -+ tristate "ipmap set support" -+ depends on IP_NF_SET -+ help -+ This option adds the ipmap set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_MACIPMAP -+ tristate "macipmap set support" -+ depends on IP_NF_SET -+ help -+ This option adds the macipmap set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_PORTMAP -+ tristate "portmap set support" -+ depends on IP_NF_SET -+ help -+ This option adds the portmap set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPHASH -+ tristate "iphash set support" -+ depends on IP_NF_SET -+ help -+ This option adds the iphash set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_NETHASH -+ tristate "nethash set support" -+ depends on IP_NF_SET -+ help -+ This option adds the nethash set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPPORTHASH -+ tristate "ipporthash set support" -+ depends on IP_NF_SET -+ help -+ This option adds the ipporthash set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPPORTIPHASH -+ tristate "ipportiphash set support" -+ depends on IP_NF_SET -+ help -+ This option adds the ipportiphash set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPPORTNETHASH -+ tristate "ipportnethash set support" -+ depends on IP_NF_SET -+ help -+ This option adds the ipportnethash set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPTREE -+ tristate "iptree set support" -+ depends on IP_NF_SET -+ help -+ This option adds the iptree set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPTREEMAP -+ tristate "iptreemap set support" -+ depends on IP_NF_SET -+ help -+ This option adds the iptreemap set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_SETLIST -+ tristate "setlist set support" -+ depends on IP_NF_SET -+ help -+ This option adds the setlist set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_MATCH_SET -+ tristate "set match support" -+ depends on IP_NF_SET -+ help -+ Set matching matches against given IP sets. -+ You need the ipset utility to create and set up the sets. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_TARGET_SET -+ tristate "SET target support" -+ depends on IP_NF_SET -+ help -+ The SET target makes possible to add/delete entries -+ in IP sets. -+ You need the ipset utility to create and set up the sets. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+ - endmenu - ---- a/net/ipv4/netfilter/Makefile -+++ b/net/ipv4/netfilter/Makefile -@@ -46,6 +46,7 @@ obj-$(CONFIG_IP_NF_MATCH_AH) += ipt_ah.o - obj-$(CONFIG_IP_NF_MATCH_ECN) += ipt_ecn.o - obj-$(CONFIG_IP_NF_MATCH_RECENT) += ipt_recent.o - obj-$(CONFIG_IP_NF_MATCH_TTL) += ipt_ttl.o -+obj-$(CONFIG_IP_NF_MATCH_SET) += ipt_set.o - - # targets - obj-$(CONFIG_IP_NF_TARGET_CLUSTERIP) += ipt_CLUSTERIP.o -@@ -57,6 +58,21 @@ obj-$(CONFIG_IP_NF_TARGET_REDIRECT) += i - obj-$(CONFIG_IP_NF_TARGET_REJECT) += ipt_REJECT.o - obj-$(CONFIG_IP_NF_TARGET_TTL) += ipt_TTL.o - obj-$(CONFIG_IP_NF_TARGET_ULOG) += ipt_ULOG.o -+obj-$(CONFIG_IP_NF_TARGET_SET) += ipt_SET.o -+ -+# sets -+obj-$(CONFIG_IP_NF_SET) += ip_set.o -+obj-$(CONFIG_IP_NF_SET_IPMAP) += ip_set_ipmap.o -+obj-$(CONFIG_IP_NF_SET_PORTMAP) += ip_set_portmap.o -+obj-$(CONFIG_IP_NF_SET_MACIPMAP) += ip_set_macipmap.o -+obj-$(CONFIG_IP_NF_SET_IPHASH) += ip_set_iphash.o -+obj-$(CONFIG_IP_NF_SET_NETHASH) += ip_set_nethash.o -+obj-$(CONFIG_IP_NF_SET_IPPORTHASH) += ip_set_ipporthash.o -+obj-$(CONFIG_IP_NF_SET_IPPORTIPHASH) += ip_set_ipportiphash.o -+obj-$(CONFIG_IP_NF_SET_IPPORTNETHASH) += ip_set_ipportnethash.o -+obj-$(CONFIG_IP_NF_SET_IPTREE) += ip_set_iptree.o -+obj-$(CONFIG_IP_NF_SET_IPTREEMAP) += ip_set_iptreemap.o -+obj-$(CONFIG_IP_NF_SET_SETLIST) += ip_set_setlist.o - - # generic ARP tables - obj-$(CONFIG_IP_NF_ARPTABLES) += arp_tables.o diff --git a/target/linux/generic-2.6/patches-2.6.27/130-netfilter_ipset.patch b/target/linux/generic-2.6/patches-2.6.27/130-netfilter_ipset.patch deleted file mode 100644 index dd8dbd9fea..0000000000 --- a/target/linux/generic-2.6/patches-2.6.27/130-netfilter_ipset.patch +++ /dev/null @@ -1,7749 +0,0 @@ ---- a/include/linux/netfilter_ipv4/Kbuild -+++ b/include/linux/netfilter_ipv4/Kbuild -@@ -45,3 +45,20 @@ header-y += ipt_ttl.h - - unifdef-y += ip_queue.h - unifdef-y += ip_tables.h -+ -+unifdef-y += ip_set.h -+header-y += ip_set_iphash.h -+unifdef-y += ip_set_bitmaps.h -+unifdef-y += ip_set_getport.h -+unifdef-y += ip_set_hashes.h -+header-y += ip_set_ipmap.h -+header-y += ip_set_ipporthash.h -+header-y += ip_set_ipportiphash.h -+header-y += ip_set_ipportnethash.h -+unifdef-y += ip_set_iptree.h -+unifdef-y += ip_set_iptreemap.h -+header-y += ip_set_jhash.h -+header-y += ip_set_macipmap.h -+header-y += ip_set_nethash.h -+header-y += ip_set_portmap.h -+header-y += ip_set_setlist.h ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set.h -@@ -0,0 +1,574 @@ -+#ifndef _IP_SET_H -+#define _IP_SET_H -+ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Martin Josefsson <gandalf@wlug.westbo.se> -+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#if 0 -+#define IP_SET_DEBUG -+#endif -+ -+/* -+ * A sockopt of such quality has hardly ever been seen before on the open -+ * market! This little beauty, hardly ever used: above 64, so it's -+ * traditionally used for firewalling, not touched (even once!) by the -+ * 2.0, 2.2 and 2.4 kernels! -+ * -+ * Comes with its own certificate of authenticity, valid anywhere in the -+ * Free world! -+ * -+ * Rusty, 19.4.2000 -+ */ -+#define SO_IP_SET 83 -+ -+/* -+ * Heavily modify by Joakim Axelsson 08.03.2002 -+ * - Made it more modulebased -+ * -+ * Additional heavy modifications by Jozsef Kadlecsik 22.02.2004 -+ * - bindings added -+ * - in order to "deal with" backward compatibility, renamed to ipset -+ */ -+ -+/* -+ * Used so that the kernel module and ipset-binary can match their versions -+ */ -+#define IP_SET_PROTOCOL_VERSION 3 -+ -+#define IP_SET_MAXNAMELEN 32 /* set names and set typenames */ -+ -+/* Lets work with our own typedef for representing an IP address. -+ * We hope to make the code more portable, possibly to IPv6... -+ * -+ * The representation works in HOST byte order, because most set types -+ * will perform arithmetic operations and compare operations. -+ * -+ * For now the type is an uint32_t. -+ * -+ * Make sure to ONLY use the functions when translating and parsing -+ * in order to keep the host byte order and make it more portable: -+ * parse_ip() -+ * parse_mask() -+ * parse_ipandmask() -+ * ip_tostring() -+ * (Joakim: where are they???) -+ */ -+ -+typedef uint32_t ip_set_ip_t; -+ -+/* Sets are identified by an id in kernel space. Tweak with ip_set_id_t -+ * and IP_SET_INVALID_ID if you want to increase the max number of sets. -+ */ -+typedef uint16_t ip_set_id_t; -+ -+#define IP_SET_INVALID_ID 65535 -+ -+/* How deep we follow bindings */ -+#define IP_SET_MAX_BINDINGS 6 -+ -+/* -+ * Option flags for kernel operations (ipt_set_info) -+ */ -+#define IPSET_SRC 0x01 /* Source match/add */ -+#define IPSET_DST 0x02 /* Destination match/add */ -+#define IPSET_MATCH_INV 0x04 /* Inverse matching */ -+ -+/* -+ * Set features -+ */ -+#define IPSET_TYPE_IP 0x01 /* IP address type of set */ -+#define IPSET_TYPE_PORT 0x02 /* Port type of set */ -+#define IPSET_DATA_SINGLE 0x04 /* Single data storage */ -+#define IPSET_DATA_DOUBLE 0x08 /* Double data storage */ -+#define IPSET_DATA_TRIPLE 0x10 /* Triple data storage */ -+#define IPSET_TYPE_IP1 0x20 /* IP address type of set */ -+#define IPSET_TYPE_SETNAME 0x40 /* setname type of set */ -+ -+/* Reserved keywords */ -+#define IPSET_TOKEN_DEFAULT ":default:" -+#define IPSET_TOKEN_ALL ":all:" -+ -+/* SO_IP_SET operation constants, and their request struct types. -+ * -+ * Operation ids: -+ * 0-99: commands with version checking -+ * 100-199: add/del/test/bind/unbind -+ * 200-299: list, save, restore -+ */ -+ -+/* Single shot operations: -+ * version, create, destroy, flush, rename and swap -+ * -+ * Sets are identified by name. -+ */ -+ -+#define IP_SET_REQ_STD \ -+ unsigned op; \ -+ unsigned version; \ -+ char name[IP_SET_MAXNAMELEN] -+ -+#define IP_SET_OP_CREATE 0x00000001 /* Create a new (empty) set */ -+struct ip_set_req_create { -+ IP_SET_REQ_STD; -+ char typename[IP_SET_MAXNAMELEN]; -+}; -+ -+#define IP_SET_OP_DESTROY 0x00000002 /* Remove a (empty) set */ -+struct ip_set_req_std { -+ IP_SET_REQ_STD; -+}; -+ -+#define IP_SET_OP_FLUSH 0x00000003 /* Remove all IPs in a set */ -+/* Uses ip_set_req_std */ -+ -+#define IP_SET_OP_RENAME 0x00000004 /* Rename a set */ -+/* Uses ip_set_req_create */ -+ -+#define IP_SET_OP_SWAP 0x00000005 /* Swap two sets */ -+/* Uses ip_set_req_create */ -+ -+union ip_set_name_index { -+ char name[IP_SET_MAXNAMELEN]; -+ ip_set_id_t index; -+}; -+ -+#define IP_SET_OP_GET_BYNAME 0x00000006 /* Get set index by name */ -+struct ip_set_req_get_set { -+ unsigned op; -+ unsigned version; -+ union ip_set_name_index set; -+}; -+ -+#define IP_SET_OP_GET_BYINDEX 0x00000007 /* Get set name by index */ -+/* Uses ip_set_req_get_set */ -+ -+#define IP_SET_OP_VERSION 0x00000100 /* Ask kernel version */ -+struct ip_set_req_version { -+ unsigned op; -+ unsigned version; -+}; -+ -+/* Double shots operations: -+ * add, del, test, bind and unbind. -+ * -+ * First we query the kernel to get the index and type of the target set, -+ * then issue the command. Validity of IP is checked in kernel in order -+ * to minimalize sockopt operations. -+ */ -+ -+/* Get minimal set data for add/del/test/bind/unbind IP */ -+#define IP_SET_OP_ADT_GET 0x00000010 /* Get set and type */ -+struct ip_set_req_adt_get { -+ unsigned op; -+ unsigned version; -+ union ip_set_name_index set; -+ char typename[IP_SET_MAXNAMELEN]; -+}; -+ -+#define IP_SET_REQ_BYINDEX \ -+ unsigned op; \ -+ ip_set_id_t index; -+ -+struct ip_set_req_adt { -+ IP_SET_REQ_BYINDEX; -+}; -+ -+#define IP_SET_OP_ADD_IP 0x00000101 /* Add an IP to a set */ -+/* Uses ip_set_req_adt, with type specific addage */ -+ -+#define IP_SET_OP_DEL_IP 0x00000102 /* Remove an IP from a set */ -+/* Uses ip_set_req_adt, with type specific addage */ -+ -+#define IP_SET_OP_TEST_IP 0x00000103 /* Test an IP in a set */ -+/* Uses ip_set_req_adt, with type specific addage */ -+ -+#define IP_SET_OP_BIND_SET 0x00000104 /* Bind an IP to a set */ -+/* Uses ip_set_req_bind, with type specific addage */ -+struct ip_set_req_bind { -+ IP_SET_REQ_BYINDEX; -+ char binding[IP_SET_MAXNAMELEN]; -+}; -+ -+#define IP_SET_OP_UNBIND_SET 0x00000105 /* Unbind an IP from a set */ -+/* Uses ip_set_req_bind, with type speficic addage -+ * index = 0 means unbinding for all sets */ -+ -+#define IP_SET_OP_TEST_BIND_SET 0x00000106 /* Test binding an IP to a set */ -+/* Uses ip_set_req_bind, with type specific addage */ -+ -+/* Multiple shots operations: list, save, restore. -+ * -+ * - check kernel version and query the max number of sets -+ * - get the basic information on all sets -+ * and size required for the next step -+ * - get actual set data: header, data, bindings -+ */ -+ -+/* Get max_sets and the index of a queried set -+ */ -+#define IP_SET_OP_MAX_SETS 0x00000020 -+struct ip_set_req_max_sets { -+ unsigned op; -+ unsigned version; -+ ip_set_id_t max_sets; /* max_sets */ -+ ip_set_id_t sets; /* real number of sets */ -+ union ip_set_name_index set; /* index of set if name used */ -+}; -+ -+/* Get the id and name of the sets plus size for next step */ -+#define IP_SET_OP_LIST_SIZE 0x00000201 -+#define IP_SET_OP_SAVE_SIZE 0x00000202 -+struct ip_set_req_setnames { -+ unsigned op; -+ ip_set_id_t index; /* set to list/save */ -+ u_int32_t size; /* size to get setdata/bindings */ -+ /* followed by sets number of struct ip_set_name_list */ -+}; -+ -+struct ip_set_name_list { -+ char name[IP_SET_MAXNAMELEN]; -+ char typename[IP_SET_MAXNAMELEN]; -+ ip_set_id_t index; -+ ip_set_id_t id; -+}; -+ -+/* The actual list operation */ -+#define IP_SET_OP_LIST 0x00000203 -+struct ip_set_req_list { -+ IP_SET_REQ_BYINDEX; -+ /* sets number of struct ip_set_list in reply */ -+}; -+ -+struct ip_set_list { -+ ip_set_id_t index; -+ ip_set_id_t binding; -+ u_int32_t ref; -+ u_int32_t header_size; /* Set header data of header_size */ -+ u_int32_t members_size; /* Set members data of members_size */ -+ u_int32_t bindings_size;/* Set bindings data of bindings_size */ -+}; -+ -+struct ip_set_hash_list { -+ ip_set_ip_t ip; -+ ip_set_id_t binding; -+}; -+ -+/* The save operation */ -+#define IP_SET_OP_SAVE 0x00000204 -+/* Uses ip_set_req_list, in the reply replaced by -+ * sets number of struct ip_set_save plus a marker -+ * ip_set_save followed by ip_set_hash_save structures. -+ */ -+struct ip_set_save { -+ ip_set_id_t index; -+ ip_set_id_t binding; -+ u_int32_t header_size; /* Set header data of header_size */ -+ u_int32_t members_size; /* Set members data of members_size */ -+}; -+ -+/* At restoring, ip == 0 means default binding for the given set: */ -+struct ip_set_hash_save { -+ ip_set_ip_t ip; -+ ip_set_id_t id; -+ ip_set_id_t binding; -+}; -+ -+/* The restore operation */ -+#define IP_SET_OP_RESTORE 0x00000205 -+/* Uses ip_set_req_setnames followed by ip_set_restore structures -+ * plus a marker ip_set_restore, followed by ip_set_hash_save -+ * structures. -+ */ -+struct ip_set_restore { -+ char name[IP_SET_MAXNAMELEN]; -+ char typename[IP_SET_MAXNAMELEN]; -+ ip_set_id_t index; -+ u_int32_t header_size; /* Create data of header_size */ -+ u_int32_t members_size; /* Set members data of members_size */ -+}; -+ -+static inline int bitmap_bytes(ip_set_ip_t a, ip_set_ip_t b) -+{ -+ return 4 * ((((b - a + 8) / 8) + 3) / 4); -+} -+ -+/* General limit for the elements in a set */ -+#define MAX_RANGE 0x0000FFFF -+ -+#ifdef __KERNEL__ -+#include <linux/netfilter_ipv4/ip_set_compat.h> -+#include <linux/netfilter_ipv4/ip_set_malloc.h> -+ -+#define ip_set_printk(format, args...) \ -+ do { \ -+ printk("%s: %s: ", __FILE__, __FUNCTION__); \ -+ printk(format "\n" , ## args); \ -+ } while (0) -+ -+#if defined(IP_SET_DEBUG) -+#define DP(format, args...) \ -+ do { \ -+ printk("%s: %s (DBG): ", __FILE__, __FUNCTION__);\ -+ printk(format "\n" , ## args); \ -+ } while (0) -+#define IP_SET_ASSERT(x) \ -+ do { \ -+ if (!(x)) \ -+ printk("IP_SET_ASSERT: %s:%i(%s)\n", \ -+ __FILE__, __LINE__, __FUNCTION__); \ -+ } while (0) -+#else -+#define DP(format, args...) -+#define IP_SET_ASSERT(x) -+#endif -+ -+struct ip_set; -+ -+/* -+ * The ip_set_type definition - one per set type, e.g. "ipmap". -+ * -+ * Each individual set has a pointer, set->type, going to one -+ * of these structures. Function pointers inside the structure implement -+ * the real behaviour of the sets. -+ * -+ * If not mentioned differently, the implementation behind the function -+ * pointers of a set_type, is expected to return 0 if ok, and a negative -+ * errno (e.g. -EINVAL) on error. -+ */ -+struct ip_set_type { -+ struct list_head list; /* next in list of set types */ -+ -+ /* test for IP in set (kernel: iptables -m set src|dst) -+ * return 0 if not in set, 1 if in set. -+ */ -+ int (*testip_kernel) (struct ip_set *set, -+ const struct sk_buff * skb, -+ ip_set_ip_t *ip, -+ const u_int32_t *flags, -+ unsigned char index); -+ -+ /* test for IP in set (userspace: ipset -T set IP) -+ * return 0 if not in set, 1 if in set. -+ */ -+ int (*testip) (struct ip_set *set, -+ const void *data, u_int32_t size, -+ ip_set_ip_t *ip); -+ -+ /* -+ * Size of the data structure passed by when -+ * adding/deletin/testing an entry. -+ */ -+ u_int32_t reqsize; -+ -+ /* Add IP into set (userspace: ipset -A set IP) -+ * Return -EEXIST if the address is already in the set, -+ * and -ERANGE if the address lies outside the set bounds. -+ * If the address was not already in the set, 0 is returned. -+ */ -+ int (*addip) (struct ip_set *set, -+ const void *data, u_int32_t size, -+ ip_set_ip_t *ip); -+ -+ /* Add IP into set (kernel: iptables ... -j SET set src|dst) -+ * Return -EEXIST if the address is already in the set, -+ * and -ERANGE if the address lies outside the set bounds. -+ * If the address was not already in the set, 0 is returned. -+ */ -+ int (*addip_kernel) (struct ip_set *set, -+ const struct sk_buff * skb, -+ ip_set_ip_t *ip, -+ const u_int32_t *flags, -+ unsigned char index); -+ -+ /* remove IP from set (userspace: ipset -D set --entry x) -+ * Return -EEXIST if the address is NOT in the set, -+ * and -ERANGE if the address lies outside the set bounds. -+ * If the address really was in the set, 0 is returned. -+ */ -+ int (*delip) (struct ip_set *set, -+ const void *data, u_int32_t size, -+ ip_set_ip_t *ip); -+ -+ /* remove IP from set (kernel: iptables ... -j SET --entry x) -+ * Return -EEXIST if the address is NOT in the set, -+ * and -ERANGE if the address lies outside the set bounds. -+ * If the address really was in the set, 0 is returned. -+ */ -+ int (*delip_kernel) (struct ip_set *set, -+ const struct sk_buff * skb, -+ ip_set_ip_t *ip, -+ const u_int32_t *flags, -+ unsigned char index); -+ -+ /* new set creation - allocated type specific items -+ */ -+ int (*create) (struct ip_set *set, -+ const void *data, u_int32_t size); -+ -+ /* retry the operation after successfully tweaking the set -+ */ -+ int (*retry) (struct ip_set *set); -+ -+ /* set destruction - free type specific items -+ * There is no return value. -+ * Can be called only when child sets are destroyed. -+ */ -+ void (*destroy) (struct ip_set *set); -+ -+ /* set flushing - reset all bits in the set, or something similar. -+ * There is no return value. -+ */ -+ void (*flush) (struct ip_set *set); -+ -+ /* Listing: size needed for header -+ */ -+ u_int32_t header_size; -+ -+ /* Listing: Get the header -+ * -+ * Fill in the information in "data". -+ * This function is always run after list_header_size() under a -+ * writelock on the set. Therefor is the length of "data" always -+ * correct. -+ */ -+ void (*list_header) (const struct ip_set *set, -+ void *data); -+ -+ /* Listing: Get the size for the set members -+ */ -+ int (*list_members_size) (const struct ip_set *set); -+ -+ /* Listing: Get the set members -+ * -+ * Fill in the information in "data". -+ * This function is always run after list_member_size() under a -+ * writelock on the set. Therefor is the length of "data" always -+ * correct. -+ */ -+ void (*list_members) (const struct ip_set *set, -+ void *data); -+ -+ char typename[IP_SET_MAXNAMELEN]; -+ unsigned char features; -+ int protocol_version; -+ -+ /* Set this to THIS_MODULE if you are a module, otherwise NULL */ -+ struct module *me; -+}; -+ -+extern int ip_set_register_set_type(struct ip_set_type *set_type); -+extern void ip_set_unregister_set_type(struct ip_set_type *set_type); -+ -+/* A generic ipset */ -+struct ip_set { -+ char name[IP_SET_MAXNAMELEN]; /* the name of the set */ -+ rwlock_t lock; /* lock for concurrency control */ -+ ip_set_id_t id; /* set id for swapping */ -+ ip_set_id_t binding; /* default binding for the set */ -+ atomic_t ref; /* in kernel and in hash references */ -+ struct ip_set_type *type; /* the set types */ -+ void *data; /* pooltype specific data */ -+}; -+ -+/* Structure to bind set elements to sets */ -+struct ip_set_hash { -+ struct list_head list; /* list of clashing entries in hash */ -+ ip_set_ip_t ip; /* ip from set */ -+ ip_set_id_t id; /* set id */ -+ ip_set_id_t binding; /* set we bind the element to */ -+}; -+ -+/* register and unregister set references */ -+extern ip_set_id_t ip_set_get_byname(const char name[IP_SET_MAXNAMELEN]); -+extern ip_set_id_t ip_set_get_byindex(ip_set_id_t index); -+extern void ip_set_put_byindex(ip_set_id_t index); -+extern ip_set_id_t ip_set_id(ip_set_id_t index); -+extern ip_set_id_t __ip_set_get_byname(const char name[IP_SET_MAXNAMELEN], -+ struct ip_set **set); -+extern void __ip_set_put_byindex(ip_set_id_t index); -+ -+/* API for iptables set match, and SET target */ -+extern int ip_set_addip_kernel(ip_set_id_t id, -+ const struct sk_buff *skb, -+ const u_int32_t *flags); -+extern int ip_set_delip_kernel(ip_set_id_t id, -+ const struct sk_buff *skb, -+ const u_int32_t *flags); -+extern int ip_set_testip_kernel(ip_set_id_t id, -+ const struct sk_buff *skb, -+ const u_int32_t *flags); -+ -+/* Macros to generate functions */ -+ -+#define STRUCT(pre, type) CONCAT2(pre, type) -+#define CONCAT2(pre, type) struct pre##type -+ -+#define FNAME(pre, mid, post) CONCAT3(pre, mid, post) -+#define CONCAT3(pre, mid, post) pre##mid##post -+ -+#define UADT0(type, adt, args...) \ -+static int \ -+FNAME(type,_u,adt)(struct ip_set *set, const void *data, u_int32_t size,\ -+ ip_set_ip_t *hash_ip) \ -+{ \ -+ const STRUCT(ip_set_req_,type) *req = data; \ -+ \ -+ return FNAME(type,_,adt)(set, hash_ip , ## args); \ -+} -+ -+#define UADT(type, adt, args...) \ -+ UADT0(type, adt, req->ip , ## args) -+ -+#define KADT(type, adt, getfn, args...) \ -+static int \ -+FNAME(type,_k,adt)(struct ip_set *set, \ -+ const struct sk_buff *skb, \ -+ ip_set_ip_t *hash_ip, \ -+ const u_int32_t *flags, \ -+ unsigned char index) \ -+{ \ -+ ip_set_ip_t ip = getfn(skb, flags[index]); \ -+ \ -+ KADT_CONDITION \ -+ return FNAME(type,_,adt)(set, hash_ip, ip , ##args); \ -+} -+ -+#define REGISTER_MODULE(type) \ -+static int __init ip_set_##type##_init(void) \ -+{ \ -+ init_max_page_size(); \ -+ return ip_set_register_set_type(&ip_set_##type); \ -+} \ -+ \ -+static void __exit ip_set_##type##_fini(void) \ -+{ \ -+ /* FIXME: possible race with ip_set_create() */ \ -+ ip_set_unregister_set_type(&ip_set_##type); \ -+} \ -+ \ -+module_init(ip_set_##type##_init); \ -+module_exit(ip_set_##type##_fini); -+ -+/* Common functions */ -+ -+static inline ip_set_ip_t -+ipaddr(const struct sk_buff *skb, u_int32_t flag) -+{ -+ return ntohl(flag & IPSET_SRC ? ip_hdr(skb)->saddr : ip_hdr(skb)->daddr); -+} -+ -+#define jhash_ip(map, i, ip) jhash_1word(ip, *(map->initval + i)) -+ -+#define pack_ip_port(map, ip, port) \ -+ (port + ((ip - ((map)->first_ip)) << 16)) -+ -+#endif /* __KERNEL__ */ -+ -+#endif /*_IP_SET_H*/ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_bitmaps.h -@@ -0,0 +1,121 @@ -+#ifndef __IP_SET_BITMAPS_H -+#define __IP_SET_BITMAPS_H -+ -+/* Macros to generate functions */ -+ -+#ifdef __KERNEL__ -+#define BITMAP_CREATE(type) \ -+static int \ -+type##_create(struct ip_set *set, const void *data, u_int32_t size) \ -+{ \ -+ int newbytes; \ -+ const struct ip_set_req_##type##_create *req = data; \ -+ struct ip_set_##type *map; \ -+ \ -+ if (req->from > req->to) { \ -+ DP("bad range"); \ -+ return -ENOEXEC; \ -+ } \ -+ \ -+ map = kmalloc(sizeof(struct ip_set_##type), GFP_KERNEL); \ -+ if (!map) { \ -+ DP("out of memory for %zu bytes", \ -+ sizeof(struct ip_set_##type)); \ -+ return -ENOMEM; \ -+ } \ -+ map->first_ip = req->from; \ -+ map->last_ip = req->to; \ -+ \ -+ newbytes = __##type##_create(req, map); \ -+ if (newbytes < 0) { \ -+ kfree(map); \ -+ return newbytes; \ -+ } \ -+ \ -+ map->size = newbytes; \ -+ map->members = ip_set_malloc(newbytes); \ -+ if (!map->members) { \ -+ DP("out of memory for %i bytes", newbytes); \ -+ kfree(map); \ -+ return -ENOMEM; \ -+ } \ -+ memset(map->members, 0, newbytes); \ -+ \ -+ set->data = map; \ -+ return 0; \ -+} -+ -+#define BITMAP_DESTROY(type) \ -+static void \ -+type##_destroy(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data; \ -+ \ -+ ip_set_free(map->members, map->size); \ -+ kfree(map); \ -+ \ -+ set->data = NULL; \ -+} -+ -+#define BITMAP_FLUSH(type) \ -+static void \ -+type##_flush(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data; \ -+ memset(map->members, 0, map->size); \ -+} -+ -+#define BITMAP_LIST_HEADER(type) \ -+static void \ -+type##_list_header(const struct ip_set *set, void *data) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ struct ip_set_req_##type##_create *header = data; \ -+ \ -+ header->from = map->first_ip; \ -+ header->to = map->last_ip; \ -+ __##type##_list_header(map, header); \ -+} -+ -+#define BITMAP_LIST_MEMBERS_SIZE(type) \ -+static int \ -+type##_list_members_size(const struct ip_set *set) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ \ -+ return map->size; \ -+} -+ -+#define BITMAP_LIST_MEMBERS(type) \ -+static void \ -+type##_list_members(const struct ip_set *set, void *data) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ \ -+ memcpy(data, map->members, map->size); \ -+} -+ -+#define IP_SET_TYPE(type, __features) \ -+struct ip_set_type ip_set_##type = { \ -+ .typename = #type, \ -+ .features = __features, \ -+ .protocol_version = IP_SET_PROTOCOL_VERSION, \ -+ .create = &type##_create, \ -+ .destroy = &type##_destroy, \ -+ .flush = &type##_flush, \ -+ .reqsize = sizeof(struct ip_set_req_##type), \ -+ .addip = &type##_uadd, \ -+ .addip_kernel = &type##_kadd, \ -+ .delip = &type##_udel, \ -+ .delip_kernel = &type##_kdel, \ -+ .testip = &type##_utest, \ -+ .testip_kernel = &type##_ktest, \ -+ .header_size = sizeof(struct ip_set_req_##type##_create),\ -+ .list_header = &type##_list_header, \ -+ .list_members_size = &type##_list_members_size, \ -+ .list_members = &type##_list_members, \ -+ .me = THIS_MODULE, \ -+}; -+#endif /* __KERNEL */ -+ -+#endif /* __IP_SET_BITMAPS_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_compat.h -@@ -0,0 +1,71 @@ -+#ifndef _IP_SET_COMPAT_H -+#define _IP_SET_COMPAT_H -+ -+#ifdef __KERNEL__ -+#include <linux/version.h> -+ -+/* Arrgh */ -+#ifdef MODULE -+#define __MOD_INC(foo) __MOD_INC_USE_COUNT(foo) -+#define __MOD_DEC(foo) __MOD_DEC_USE_COUNT(foo) -+#else -+#define __MOD_INC(foo) 1 -+#define __MOD_DEC(foo) -+#endif -+ -+/* Backward compatibility */ -+#ifndef __nocast -+#define __nocast -+#endif -+#ifndef __bitwise__ -+#define __bitwise__ -+#endif -+ -+/* Compatibility glue code */ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) -+#include <linux/interrupt.h> -+#define DEFINE_RWLOCK(x) rwlock_t x = RW_LOCK_UNLOCKED -+#define try_module_get(x) __MOD_INC(x) -+#define module_put(x) __MOD_DEC(x) -+#define __clear_bit(nr, addr) clear_bit(nr, addr) -+#define __set_bit(nr, addr) set_bit(nr, addr) -+#define __test_and_set_bit(nr, addr) test_and_set_bit(nr, addr) -+#define __test_and_clear_bit(nr, addr) test_and_clear_bit(nr, addr) -+ -+typedef unsigned __bitwise__ gfp_t; -+ -+static inline void *kzalloc(size_t size, gfp_t flags) -+{ -+ void *data = kmalloc(size, flags); -+ -+ if (data) -+ memset(data, 0, size); -+ -+ return data; -+} -+#endif -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+#define __KMEM_CACHE_T__ kmem_cache_t -+#else -+#define __KMEM_CACHE_T__ struct kmem_cache -+#endif -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22) -+#define ip_hdr(skb) ((skb)->nh.iph) -+#define skb_mac_header(skb) ((skb)->mac.raw) -+#define eth_hdr(skb) ((struct ethhdr *)skb_mac_header(skb)) -+#endif -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -+#include <linux/netfilter.h> -+#define KMEM_CACHE_CREATE(name, size) \ -+ kmem_cache_create(name, size, 0, 0, NULL, NULL) -+#else -+#define KMEM_CACHE_CREATE(name, size) \ -+ kmem_cache_create(name, size, 0, 0, NULL) -+#endif -+ -+ -+#endif /* __KERNEL__ */ -+#endif /* _IP_SET_COMPAT_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_getport.h -@@ -0,0 +1,48 @@ -+#ifndef _IP_SET_GETPORT_H -+#define _IP_SET_GETPORT_H -+ -+#ifdef __KERNEL__ -+ -+#define INVALID_PORT (MAX_RANGE + 1) -+ -+/* We must handle non-linear skbs */ -+static inline ip_set_ip_t -+get_port(const struct sk_buff *skb, u_int32_t flags) -+{ -+ struct iphdr *iph = ip_hdr(skb); -+ u_int16_t offset = ntohs(iph->frag_off) & IP_OFFSET; -+ switch (iph->protocol) { -+ case IPPROTO_TCP: { -+ struct tcphdr tcph; -+ -+ /* See comments at tcp_match in ip_tables.c */ -+ if (offset) -+ return INVALID_PORT; -+ -+ if (skb_copy_bits(skb, ip_hdr(skb)->ihl*4, &tcph, sizeof(tcph)) < 0) -+ /* No choice either */ -+ return INVALID_PORT; -+ -+ return ntohs(flags & IPSET_SRC ? -+ tcph.source : tcph.dest); -+ } -+ case IPPROTO_UDP: { -+ struct udphdr udph; -+ -+ if (offset) -+ return INVALID_PORT; -+ -+ if (skb_copy_bits(skb, ip_hdr(skb)->ihl*4, &udph, sizeof(udph)) < 0) -+ /* No choice either */ -+ return INVALID_PORT; -+ -+ return ntohs(flags & IPSET_SRC ? -+ udph.source : udph.dest); -+ } -+ default: -+ return INVALID_PORT; -+ } -+} -+#endif /* __KERNEL__ */ -+ -+#endif /*_IP_SET_GETPORT_H*/ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_hashes.h -@@ -0,0 +1,306 @@ -+#ifndef __IP_SET_HASHES_H -+#define __IP_SET_HASHES_H -+ -+#define initval_t uint32_t -+ -+/* Macros to generate functions */ -+ -+#ifdef __KERNEL__ -+#define HASH_RETRY0(type, dtype, cond) \ -+static int \ -+type##_retry(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data, *tmp; \ -+ dtype *elem; \ -+ void *members; \ -+ u_int32_t i, hashsize = map->hashsize; \ -+ int res; \ -+ \ -+ if (map->resize == 0) \ -+ return -ERANGE; \ -+ \ -+ again: \ -+ res = 0; \ -+ \ -+ /* Calculate new hash size */ \ -+ hashsize += (hashsize * map->resize)/100; \ -+ if (hashsize == map->hashsize) \ -+ hashsize++; \ -+ \ -+ ip_set_printk("rehashing of set %s triggered: " \ -+ "hashsize grows from %lu to %lu", \ -+ set->name, \ -+ (long unsigned)map->hashsize, \ -+ (long unsigned)hashsize); \ -+ \ -+ tmp = kmalloc(sizeof(struct ip_set_##type) \ -+ + map->probes * sizeof(initval_t), GFP_ATOMIC); \ -+ if (!tmp) { \ -+ DP("out of memory for %zu bytes", \ -+ sizeof(struct ip_set_##type) \ -+ + map->probes * sizeof(initval_t)); \ -+ return -ENOMEM; \ -+ } \ -+ tmp->members = harray_malloc(hashsize, sizeof(dtype), GFP_ATOMIC);\ -+ if (!tmp->members) { \ -+ DP("out of memory for %zu bytes", hashsize * sizeof(dtype));\ -+ kfree(tmp); \ -+ return -ENOMEM; \ -+ } \ -+ tmp->hashsize = hashsize; \ -+ tmp->elements = 0; \ -+ tmp->probes = map->probes; \ -+ tmp->resize = map->resize; \ -+ memcpy(tmp->initval, map->initval, map->probes * sizeof(initval_t));\ -+ __##type##_retry(tmp, map); \ -+ \ -+ write_lock_bh(&set->lock); \ -+ map = set->data; /* Play safe */ \ -+ for (i = 0; i < map->hashsize && res == 0; i++) { \ -+ elem = HARRAY_ELEM(map->members, dtype *, i); \ -+ if (cond) \ -+ res = __##type##_add(tmp, elem); \ -+ } \ -+ if (res) { \ -+ /* Failure, try again */ \ -+ write_unlock_bh(&set->lock); \ -+ harray_free(tmp->members); \ -+ kfree(tmp); \ -+ goto again; \ -+ } \ -+ \ -+ /* Success at resizing! */ \ -+ members = map->members; \ -+ \ -+ map->hashsize = tmp->hashsize; \ -+ map->members = tmp->members; \ -+ write_unlock_bh(&set->lock); \ -+ \ -+ harray_free(members); \ -+ kfree(tmp); \ -+ \ -+ return 0; \ -+} -+ -+#define HASH_RETRY(type, dtype) \ -+ HASH_RETRY0(type, dtype, *elem) -+ -+#define HASH_RETRY2(type, dtype) \ -+ HASH_RETRY0(type, dtype, elem->ip || elem->ip1) -+ -+#define HASH_CREATE(type, dtype) \ -+static int \ -+type##_create(struct ip_set *set, const void *data, u_int32_t size) \ -+{ \ -+ const struct ip_set_req_##type##_create *req = data; \ -+ struct ip_set_##type *map; \ -+ uint16_t i; \ -+ \ -+ if (req->hashsize < 1) { \ -+ ip_set_printk("hashsize too small"); \ -+ return -ENOEXEC; \ -+ } \ -+ \ -+ if (req->probes < 1) { \ -+ ip_set_printk("probes too small"); \ -+ return -ENOEXEC; \ -+ } \ -+ \ -+ map = kmalloc(sizeof(struct ip_set_##type) \ -+ + req->probes * sizeof(initval_t), GFP_KERNEL); \ -+ if (!map) { \ -+ DP("out of memory for %zu bytes", \ -+ sizeof(struct ip_set_##type) \ -+ + req->probes * sizeof(initval_t)); \ -+ return -ENOMEM; \ -+ } \ -+ for (i = 0; i < req->probes; i++) \ -+ get_random_bytes(((initval_t *) map->initval)+i, 4); \ -+ map->elements = 0; \ -+ map->hashsize = req->hashsize; \ -+ map->probes = req->probes; \ -+ map->resize = req->resize; \ -+ if (__##type##_create(req, map)) { \ -+ kfree(map); \ -+ return -ENOEXEC; \ -+ } \ -+ map->members = harray_malloc(map->hashsize, sizeof(dtype), GFP_KERNEL);\ -+ if (!map->members) { \ -+ DP("out of memory for %zu bytes", map->hashsize * sizeof(dtype));\ -+ kfree(map); \ -+ return -ENOMEM; \ -+ } \ -+ \ -+ set->data = map; \ -+ return 0; \ -+} -+ -+#define HASH_DESTROY(type) \ -+static void \ -+type##_destroy(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data; \ -+ \ -+ harray_free(map->members); \ -+ kfree(map); \ -+ \ -+ set->data = NULL; \ -+} -+ -+#define HASH_FLUSH(type, dtype) \ -+static void \ -+type##_flush(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data; \ -+ harray_flush(map->members, map->hashsize, sizeof(dtype)); \ -+ map->elements = 0; \ -+} -+ -+#define HASH_FLUSH_CIDR(type, dtype) \ -+static void \ -+type##_flush(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data; \ -+ harray_flush(map->members, map->hashsize, sizeof(dtype)); \ -+ memset(map->cidr, 0, sizeof(map->cidr)); \ -+ memset(map->nets, 0, sizeof(map->nets)); \ -+ map->elements = 0; \ -+} -+ -+#define HASH_LIST_HEADER(type) \ -+static void \ -+type##_list_header(const struct ip_set *set, void *data) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ struct ip_set_req_##type##_create *header = data; \ -+ \ -+ header->hashsize = map->hashsize; \ -+ header->probes = map->probes; \ -+ header->resize = map->resize; \ -+ __##type##_list_header(map, header); \ -+} -+ -+#define HASH_LIST_MEMBERS_SIZE(type, dtype) \ -+static int \ -+type##_list_members_size(const struct ip_set *set) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ \ -+ return (map->hashsize * sizeof(dtype)); \ -+} -+ -+#define HASH_LIST_MEMBERS(type, dtype) \ -+static void \ -+type##_list_members(const struct ip_set *set, void *data) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ dtype *elem; \ -+ uint32_t i; \ -+ \ -+ for (i = 0; i < map->hashsize; i++) { \ -+ elem = HARRAY_ELEM(map->members, dtype *, i); \ -+ ((dtype *)data)[i] = *elem; \ -+ } \ -+} -+ -+#define HASH_LIST_MEMBERS_MEMCPY(type, dtype) \ -+static void \ -+type##_list_members(const struct ip_set *set, void *data) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ dtype *elem; \ -+ uint32_t i; \ -+ \ -+ for (i = 0; i < map->hashsize; i++) { \ -+ elem = HARRAY_ELEM(map->members, dtype *, i); \ -+ memcpy((((dtype *)data)+i), elem, sizeof(dtype)); \ -+ } \ -+} -+ -+#define IP_SET_RTYPE(type, __features) \ -+struct ip_set_type ip_set_##type = { \ -+ .typename = #type, \ -+ .features = __features, \ -+ .protocol_version = IP_SET_PROTOCOL_VERSION, \ -+ .create = &type##_create, \ -+ .retry = &type##_retry, \ -+ .destroy = &type##_destroy, \ -+ .flush = &type##_flush, \ -+ .reqsize = sizeof(struct ip_set_req_##type), \ -+ .addip = &type##_uadd, \ -+ .addip_kernel = &type##_kadd, \ -+ .delip = &type##_udel, \ -+ .delip_kernel = &type##_kdel, \ -+ .testip = &type##_utest, \ -+ .testip_kernel = &type##_ktest, \ -+ .header_size = sizeof(struct ip_set_req_##type##_create),\ -+ .list_header = &type##_list_header, \ -+ .list_members_size = &type##_list_members_size, \ -+ .list_members = &type##_list_members, \ -+ .me = THIS_MODULE, \ -+}; -+ -+/* Helper functions */ -+static inline void -+add_cidr_size(uint8_t *cidr, uint8_t size) -+{ -+ uint8_t next; -+ int i; -+ -+ for (i = 0; i < 30 && cidr[i]; i++) { -+ if (cidr[i] < size) { -+ next = cidr[i]; -+ cidr[i] = size; -+ size = next; -+ } -+ } -+ if (i < 30) -+ cidr[i] = size; -+} -+ -+static inline void -+del_cidr_size(uint8_t *cidr, uint8_t size) -+{ -+ int i; -+ -+ for (i = 0; i < 29 && cidr[i]; i++) { -+ if (cidr[i] == size) -+ cidr[i] = size = cidr[i+1]; -+ } -+ cidr[29] = 0; -+} -+#else -+#include <arpa/inet.h> -+#endif /* __KERNEL */ -+ -+#ifndef UINT16_MAX -+#define UINT16_MAX 65535 -+#endif -+ -+static unsigned char shifts[] = {255, 253, 249, 241, 225, 193, 129, 1}; -+ -+static inline ip_set_ip_t -+pack_ip_cidr(ip_set_ip_t ip, unsigned char cidr) -+{ -+ ip_set_ip_t addr, *paddr = &addr; -+ unsigned char n, t, *a; -+ -+ addr = htonl(ip & (0xFFFFFFFF << (32 - (cidr)))); -+#ifdef __KERNEL__ -+ DP("ip:%u.%u.%u.%u/%u", NIPQUAD(addr), cidr); -+#endif -+ n = cidr / 8; -+ t = cidr % 8; -+ a = &((unsigned char *)paddr)[n]; -+ *a = *a /(1 << (8 - t)) + shifts[t]; -+#ifdef __KERNEL__ -+ DP("n: %u, t: %u, a: %u", n, t, *a); -+ DP("ip:%u.%u.%u.%u/%u, %u.%u.%u.%u", -+ HIPQUAD(ip), cidr, NIPQUAD(addr)); -+#endif -+ -+ return ntohl(addr); -+} -+ -+ -+#endif /* __IP_SET_HASHES_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_iphash.h -@@ -0,0 +1,30 @@ -+#ifndef __IP_SET_IPHASH_H -+#define __IP_SET_IPHASH_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_hashes.h> -+ -+#define SETTYPE_NAME "iphash" -+ -+struct ip_set_iphash { -+ ip_set_ip_t *members; /* the iphash proper */ -+ uint32_t elements; /* number of elements */ -+ uint32_t hashsize; /* hash size */ -+ uint16_t probes; /* max number of probes */ -+ uint16_t resize; /* resize factor in percent */ -+ ip_set_ip_t netmask; /* netmask */ -+ initval_t initval[0]; /* initvals for jhash_1word */ -+}; -+ -+struct ip_set_req_iphash_create { -+ uint32_t hashsize; -+ uint16_t probes; -+ uint16_t resize; -+ ip_set_ip_t netmask; -+}; -+ -+struct ip_set_req_iphash { -+ ip_set_ip_t ip; -+}; -+ -+#endif /* __IP_SET_IPHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_ipmap.h -@@ -0,0 +1,57 @@ -+#ifndef __IP_SET_IPMAP_H -+#define __IP_SET_IPMAP_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+ -+#define SETTYPE_NAME "ipmap" -+ -+struct ip_set_ipmap { -+ void *members; /* the ipmap proper */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ ip_set_ip_t netmask; /* subnet netmask */ -+ ip_set_ip_t sizeid; /* size of set in IPs */ -+ ip_set_ip_t hosts; /* number of hosts in a subnet */ -+ u_int32_t size; /* size of the ipmap proper */ -+}; -+ -+struct ip_set_req_ipmap_create { -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+ ip_set_ip_t netmask; -+}; -+ -+struct ip_set_req_ipmap { -+ ip_set_ip_t ip; -+}; -+ -+static inline unsigned int -+mask_to_bits(ip_set_ip_t mask) -+{ -+ unsigned int bits = 32; -+ ip_set_ip_t maskaddr; -+ -+ if (mask == 0xFFFFFFFF) -+ return bits; -+ -+ maskaddr = 0xFFFFFFFE; -+ while (--bits > 0 && maskaddr != mask) -+ maskaddr <<= 1; -+ -+ return bits; -+} -+ -+static inline ip_set_ip_t -+range_to_mask(ip_set_ip_t from, ip_set_ip_t to, unsigned int *bits) -+{ -+ ip_set_ip_t mask = 0xFFFFFFFE; -+ -+ *bits = 32; -+ while (--(*bits) > 0 && mask && (to & mask) != from) -+ mask <<= 1; -+ -+ return mask; -+} -+ -+#endif /* __IP_SET_IPMAP_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_ipporthash.h -@@ -0,0 +1,33 @@ -+#ifndef __IP_SET_IPPORTHASH_H -+#define __IP_SET_IPPORTHASH_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_hashes.h> -+ -+#define SETTYPE_NAME "ipporthash" -+ -+struct ip_set_ipporthash { -+ ip_set_ip_t *members; /* the ipporthash proper */ -+ uint32_t elements; /* number of elements */ -+ uint32_t hashsize; /* hash size */ -+ uint16_t probes; /* max number of probes */ -+ uint16_t resize; /* resize factor in percent */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ initval_t initval[0]; /* initvals for jhash_1word */ -+}; -+ -+struct ip_set_req_ipporthash_create { -+ uint32_t hashsize; -+ uint16_t probes; -+ uint16_t resize; -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+}; -+ -+struct ip_set_req_ipporthash { -+ ip_set_ip_t ip; -+ ip_set_ip_t port; -+}; -+ -+#endif /* __IP_SET_IPPORTHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_ipportiphash.h -@@ -0,0 +1,39 @@ -+#ifndef __IP_SET_IPPORTIPHASH_H -+#define __IP_SET_IPPORTIPHASH_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_hashes.h> -+ -+#define SETTYPE_NAME "ipportiphash" -+ -+struct ipportip { -+ ip_set_ip_t ip; -+ ip_set_ip_t ip1; -+}; -+ -+struct ip_set_ipportiphash { -+ struct ipportip *members; /* the ipportip proper */ -+ uint32_t elements; /* number of elements */ -+ uint32_t hashsize; /* hash size */ -+ uint16_t probes; /* max number of probes */ -+ uint16_t resize; /* resize factor in percent */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ initval_t initval[0]; /* initvals for jhash_1word */ -+}; -+ -+struct ip_set_req_ipportiphash_create { -+ uint32_t hashsize; -+ uint16_t probes; -+ uint16_t resize; -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+}; -+ -+struct ip_set_req_ipportiphash { -+ ip_set_ip_t ip; -+ ip_set_ip_t port; -+ ip_set_ip_t ip1; -+}; -+ -+#endif /* __IP_SET_IPPORTIPHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_ipportnethash.h -@@ -0,0 +1,42 @@ -+#ifndef __IP_SET_IPPORTNETHASH_H -+#define __IP_SET_IPPORTNETHASH_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_hashes.h> -+ -+#define SETTYPE_NAME "ipportnethash" -+ -+struct ipportip { -+ ip_set_ip_t ip; -+ ip_set_ip_t ip1; -+}; -+ -+struct ip_set_ipportnethash { -+ struct ipportip *members; /* the ipportip proper */ -+ uint32_t elements; /* number of elements */ -+ uint32_t hashsize; /* hash size */ -+ uint16_t probes; /* max number of probes */ -+ uint16_t resize; /* resize factor in percent */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ uint8_t cidr[30]; /* CIDR sizes */ -+ uint16_t nets[30]; /* nr of nets by CIDR sizes */ -+ initval_t initval[0]; /* initvals for jhash_1word */ -+}; -+ -+struct ip_set_req_ipportnethash_create { -+ uint32_t hashsize; -+ uint16_t probes; -+ uint16_t resize; -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+}; -+ -+struct ip_set_req_ipportnethash { -+ ip_set_ip_t ip; -+ ip_set_ip_t port; -+ ip_set_ip_t ip1; -+ uint8_t cidr; -+}; -+ -+#endif /* __IP_SET_IPPORTNETHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_iptree.h -@@ -0,0 +1,39 @@ -+#ifndef __IP_SET_IPTREE_H -+#define __IP_SET_IPTREE_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+#define SETTYPE_NAME "iptree" -+ -+struct ip_set_iptreed { -+ unsigned long expires[256]; /* x.x.x.ADDR */ -+}; -+ -+struct ip_set_iptreec { -+ struct ip_set_iptreed *tree[256]; /* x.x.ADDR.* */ -+}; -+ -+struct ip_set_iptreeb { -+ struct ip_set_iptreec *tree[256]; /* x.ADDR.*.* */ -+}; -+ -+struct ip_set_iptree { -+ unsigned int timeout; -+ unsigned int gc_interval; -+#ifdef __KERNEL__ -+ uint32_t elements; /* number of elements */ -+ struct timer_list gc; -+ struct ip_set_iptreeb *tree[256]; /* ADDR.*.*.* */ -+#endif -+}; -+ -+struct ip_set_req_iptree_create { -+ unsigned int timeout; -+}; -+ -+struct ip_set_req_iptree { -+ ip_set_ip_t ip; -+ unsigned int timeout; -+}; -+ -+#endif /* __IP_SET_IPTREE_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_iptreemap.h -@@ -0,0 +1,40 @@ -+#ifndef __IP_SET_IPTREEMAP_H -+#define __IP_SET_IPTREEMAP_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+#define SETTYPE_NAME "iptreemap" -+ -+#ifdef __KERNEL__ -+struct ip_set_iptreemap_d { -+ unsigned char bitmap[32]; /* x.x.x.y */ -+}; -+ -+struct ip_set_iptreemap_c { -+ struct ip_set_iptreemap_d *tree[256]; /* x.x.y.x */ -+}; -+ -+struct ip_set_iptreemap_b { -+ struct ip_set_iptreemap_c *tree[256]; /* x.y.x.x */ -+ unsigned char dirty[32]; -+}; -+#endif -+ -+struct ip_set_iptreemap { -+ unsigned int gc_interval; -+#ifdef __KERNEL__ -+ struct timer_list gc; -+ struct ip_set_iptreemap_b *tree[256]; /* y.x.x.x */ -+#endif -+}; -+ -+struct ip_set_req_iptreemap_create { -+ unsigned int gc_interval; -+}; -+ -+struct ip_set_req_iptreemap { -+ ip_set_ip_t ip; -+ ip_set_ip_t end; -+}; -+ -+#endif /* __IP_SET_IPTREEMAP_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_jhash.h -@@ -0,0 +1,157 @@ -+#ifndef _LINUX_JHASH_H -+#define _LINUX_JHASH_H -+ -+/* jhash.h: Jenkins hash support. -+ * -+ * Copyright (C) 2006. Bob Jenkins (bob_jenkins@burtleburtle.net) -+ * -+ * http://burtleburtle.net/bob/hash/ -+ * -+ * These are the credits from Bob's sources: -+ * -+ * lookup3.c, by Bob Jenkins, May 2006, Public Domain. -+ * -+ * These are functions for producing 32-bit hashes for hash table lookup. -+ * hashword(), hashlittle(), hashlittle2(), hashbig(), mix(), and final() -+ * are externally useful functions. Routines to test the hash are included -+ * if SELF_TEST is defined. You can use this free for any purpose. It's in -+ * the public domain. It has no warranty. -+ * -+ * Copyright (C) 2009 Jozsef Kadlecsik (kadlec@blackhole.kfki.hu) -+ * -+ * I've modified Bob's hash to be useful in the Linux kernel, and -+ * any bugs present are my fault. Jozsef -+ */ -+ -+#define __rot(x,k) (((x)<<(k)) | ((x)>>(32-(k)))) -+ -+/* __jhash_mix - mix 3 32-bit values reversibly. */ -+#define __jhash_mix(a,b,c) \ -+{ \ -+ a -= c; a ^= __rot(c, 4); c += b; \ -+ b -= a; b ^= __rot(a, 6); a += c; \ -+ c -= b; c ^= __rot(b, 8); b += a; \ -+ a -= c; a ^= __rot(c,16); c += b; \ -+ b -= a; b ^= __rot(a,19); a += c; \ -+ c -= b; c ^= __rot(b, 4); b += a; \ -+} -+ -+/* __jhash_final - final mixing of 3 32-bit values (a,b,c) into c */ -+#define __jhash_final(a,b,c) \ -+{ \ -+ c ^= b; c -= __rot(b,14); \ -+ a ^= c; a -= __rot(c,11); \ -+ b ^= a; b -= __rot(a,25); \ -+ c ^= b; c -= __rot(b,16); \ -+ a ^= c; a -= __rot(c,4); \ -+ b ^= a; b -= __rot(a,14); \ -+ c ^= b; c -= __rot(b,24); \ -+} -+ -+/* The golden ration: an arbitrary value */ -+#define JHASH_GOLDEN_RATIO 0xdeadbeef -+ -+/* The most generic version, hashes an arbitrary sequence -+ * of bytes. No alignment or length assumptions are made about -+ * the input key. The result depends on endianness. -+ */ -+static inline u32 jhash(const void *key, u32 length, u32 initval) -+{ -+ u32 a,b,c; -+ const u8 *k = key; -+ -+ /* Set up the internal state */ -+ a = b = c = JHASH_GOLDEN_RATIO + length + initval; -+ -+ /* all but the last block: affect some 32 bits of (a,b,c) */ -+ while (length > 12) { -+ a += (k[0] + ((u32)k[1]<<8) + ((u32)k[2]<<16) + ((u32)k[3]<<24)); -+ b += (k[4] + ((u32)k[5]<<8) + ((u32)k[6]<<16) + ((u32)k[7]<<24)); -+ c += (k[8] + ((u32)k[9]<<8) + ((u32)k[10]<<16) + ((u32)k[11]<<24)); -+ __jhash_mix(a, b, c); -+ length -= 12; -+ k += 12; -+ } -+ -+ /* last block: affect all 32 bits of (c) */ -+ /* all the case statements fall through */ -+ switch (length) { -+ case 12: c += (u32)k[11]<<24; -+ case 11: c += (u32)k[10]<<16; -+ case 10: c += (u32)k[9]<<8; -+ case 9 : c += k[8]; -+ case 8 : b += (u32)k[7]<<24; -+ case 7 : b += (u32)k[6]<<16; -+ case 6 : b += (u32)k[5]<<8; -+ case 5 : b += k[4]; -+ case 4 : a += (u32)k[3]<<24; -+ case 3 : a += (u32)k[2]<<16; -+ case 2 : a += (u32)k[1]<<8; -+ case 1 : a += k[0]; -+ __jhash_final(a, b, c); -+ case 0 : -+ break; -+ } -+ -+ return c; -+} -+ -+/* A special optimized version that handles 1 or more of u32s. -+ * The length parameter here is the number of u32s in the key. -+ */ -+static inline u32 jhash2(const u32 *k, u32 length, u32 initval) -+{ -+ u32 a, b, c; -+ -+ /* Set up the internal state */ -+ a = b = c = JHASH_GOLDEN_RATIO + (length<<2) + initval; -+ -+ /* handle most of the key */ -+ while (length > 3) { -+ a += k[0]; -+ b += k[1]; -+ c += k[2]; -+ __jhash_mix(a, b, c); -+ length -= 3; -+ k += 3; -+ } -+ -+ /* handle the last 3 u32's */ -+ /* all the case statements fall through */ -+ switch (length) { -+ case 3: c += k[2]; -+ case 2: b += k[1]; -+ case 1: a += k[0]; -+ __jhash_final(a, b, c); -+ case 0: /* case 0: nothing left to add */ -+ break; -+ } -+ -+ return c; -+} -+ -+/* A special ultra-optimized versions that knows they are hashing exactly -+ * 3, 2 or 1 word(s). -+ */ -+static inline u32 jhash_3words(u32 a, u32 b, u32 c, u32 initval) -+{ -+ a += JHASH_GOLDEN_RATIO + initval; -+ b += JHASH_GOLDEN_RATIO + initval; -+ c += JHASH_GOLDEN_RATIO + initval; -+ -+ __jhash_final(a, b, c); -+ -+ return c; -+} -+ -+static inline u32 jhash_2words(u32 a, u32 b, u32 initval) -+{ -+ return jhash_3words(0, a, b, initval); -+} -+ -+static inline u32 jhash_1word(u32 a, u32 initval) -+{ -+ return jhash_3words(0, 0, a, initval); -+} -+ -+#endif /* _LINUX_JHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_macipmap.h -@@ -0,0 +1,39 @@ -+#ifndef __IP_SET_MACIPMAP_H -+#define __IP_SET_MACIPMAP_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+ -+#define SETTYPE_NAME "macipmap" -+ -+/* general flags */ -+#define IPSET_MACIP_MATCHUNSET 1 -+ -+/* per ip flags */ -+#define IPSET_MACIP_ISSET 1 -+ -+struct ip_set_macipmap { -+ void *members; /* the macipmap proper */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ u_int32_t flags; -+ u_int32_t size; /* size of the ipmap proper */ -+}; -+ -+struct ip_set_req_macipmap_create { -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+ u_int32_t flags; -+}; -+ -+struct ip_set_req_macipmap { -+ ip_set_ip_t ip; -+ unsigned char ethernet[ETH_ALEN]; -+}; -+ -+struct ip_set_macip { -+ unsigned short match; -+ unsigned char ethernet[ETH_ALEN]; -+}; -+ -+#endif /* __IP_SET_MACIPMAP_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_malloc.h -@@ -0,0 +1,153 @@ -+#ifndef _IP_SET_MALLOC_H -+#define _IP_SET_MALLOC_H -+ -+#ifdef __KERNEL__ -+#include <linux/vmalloc.h> -+ -+static size_t max_malloc_size = 0, max_page_size = 0; -+static size_t default_max_malloc_size = 131072; /* Guaranteed: slab.c */ -+ -+static inline int init_max_page_size(void) -+{ -+/* Compatibility glues to support 2.4.36 */ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) -+#define __GFP_NOWARN 0 -+ -+ /* Guaranteed: slab.c */ -+ max_malloc_size = max_page_size = default_max_malloc_size; -+#else -+ size_t page_size = 0; -+ -+#define CACHE(x) if (max_page_size == 0 || x < max_page_size) \ -+ page_size = x; -+#include <linux/kmalloc_sizes.h> -+#undef CACHE -+ if (page_size) { -+ if (max_malloc_size == 0) -+ max_malloc_size = page_size; -+ -+ max_page_size = page_size; -+ -+ return 1; -+ } -+#endif -+ return 0; -+} -+ -+struct harray { -+ size_t max_elements; -+ void *arrays[0]; -+}; -+ -+static inline void * -+__harray_malloc(size_t hashsize, size_t typesize, gfp_t flags) -+{ -+ struct harray *harray; -+ size_t max_elements, size, i, j; -+ -+ BUG_ON(max_page_size == 0); -+ -+ if (typesize > max_page_size) -+ return NULL; -+ -+ max_elements = max_page_size/typesize; -+ size = hashsize/max_elements; -+ if (hashsize % max_elements) -+ size++; -+ -+ /* Last pointer signals end of arrays */ -+ harray = kmalloc(sizeof(struct harray) + (size + 1) * sizeof(void *), -+ flags); -+ -+ if (!harray) -+ return NULL; -+ -+ for (i = 0; i < size - 1; i++) { -+ harray->arrays[i] = kmalloc(max_elements * typesize, flags); -+ if (!harray->arrays[i]) -+ goto undo; -+ memset(harray->arrays[i], 0, max_elements * typesize); -+ } -+ harray->arrays[i] = kmalloc((hashsize - i * max_elements) * typesize, -+ flags); -+ if (!harray->arrays[i]) -+ goto undo; -+ memset(harray->arrays[i], 0, (hashsize - i * max_elements) * typesize); -+ -+ harray->max_elements = max_elements; -+ harray->arrays[size] = NULL; -+ -+ return (void *)harray; -+ -+ undo: -+ for (j = 0; j < i; j++) { -+ kfree(harray->arrays[j]); -+ } -+ kfree(harray); -+ return NULL; -+} -+ -+static inline void * -+harray_malloc(size_t hashsize, size_t typesize, gfp_t flags) -+{ -+ void *harray; -+ -+ do { -+ harray = __harray_malloc(hashsize, typesize, flags|__GFP_NOWARN); -+ } while (harray == NULL && init_max_page_size()); -+ -+ return harray; -+} -+ -+static inline void harray_free(void *h) -+{ -+ struct harray *harray = (struct harray *) h; -+ size_t i; -+ -+ for (i = 0; harray->arrays[i] != NULL; i++) -+ kfree(harray->arrays[i]); -+ kfree(harray); -+} -+ -+static inline void harray_flush(void *h, size_t hashsize, size_t typesize) -+{ -+ struct harray *harray = (struct harray *) h; -+ size_t i; -+ -+ for (i = 0; harray->arrays[i+1] != NULL; i++) -+ memset(harray->arrays[i], 0, harray->max_elements * typesize); -+ memset(harray->arrays[i], 0, -+ (hashsize - i * harray->max_elements) * typesize); -+} -+ -+#define HARRAY_ELEM(h, type, which) \ -+({ \ -+ struct harray *__h = (struct harray *)(h); \ -+ ((type)((__h)->arrays[(which)/(__h)->max_elements]) \ -+ + (which)%(__h)->max_elements); \ -+}) -+ -+/* General memory allocation and deallocation */ -+static inline void * ip_set_malloc(size_t bytes) -+{ -+ BUG_ON(max_malloc_size == 0); -+ -+ if (bytes > default_max_malloc_size) -+ return vmalloc(bytes); -+ else -+ return kmalloc(bytes, GFP_KERNEL | __GFP_NOWARN); -+} -+ -+static inline void ip_set_free(void * data, size_t bytes) -+{ -+ BUG_ON(max_malloc_size == 0); -+ -+ if (bytes > default_max_malloc_size) -+ vfree(data); -+ else -+ kfree(data); -+} -+ -+#endif /* __KERNEL__ */ -+ -+#endif /*_IP_SET_MALLOC_H*/ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_nethash.h -@@ -0,0 +1,31 @@ -+#ifndef __IP_SET_NETHASH_H -+#define __IP_SET_NETHASH_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_hashes.h> -+ -+#define SETTYPE_NAME "nethash" -+ -+struct ip_set_nethash { -+ ip_set_ip_t *members; /* the nethash proper */ -+ uint32_t elements; /* number of elements */ -+ uint32_t hashsize; /* hash size */ -+ uint16_t probes; /* max number of probes */ -+ uint16_t resize; /* resize factor in percent */ -+ uint8_t cidr[30]; /* CIDR sizes */ -+ uint16_t nets[30]; /* nr of nets by CIDR sizes */ -+ initval_t initval[0]; /* initvals for jhash_1word */ -+}; -+ -+struct ip_set_req_nethash_create { -+ uint32_t hashsize; -+ uint16_t probes; -+ uint16_t resize; -+}; -+ -+struct ip_set_req_nethash { -+ ip_set_ip_t ip; -+ uint8_t cidr; -+}; -+ -+#endif /* __IP_SET_NETHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_portmap.h -@@ -0,0 +1,25 @@ -+#ifndef __IP_SET_PORTMAP_H -+#define __IP_SET_PORTMAP_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+ -+#define SETTYPE_NAME "portmap" -+ -+struct ip_set_portmap { -+ void *members; /* the portmap proper */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ u_int32_t size; /* size of the ipmap proper */ -+}; -+ -+struct ip_set_req_portmap_create { -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+}; -+ -+struct ip_set_req_portmap { -+ ip_set_ip_t ip; -+}; -+ -+#endif /* __IP_SET_PORTMAP_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_setlist.h -@@ -0,0 +1,26 @@ -+#ifndef __IP_SET_SETLIST_H -+#define __IP_SET_SETLIST_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+#define SETTYPE_NAME "setlist" -+ -+#define IP_SET_SETLIST_ADD_AFTER 0 -+#define IP_SET_SETLIST_ADD_BEFORE 1 -+ -+struct ip_set_setlist { -+ uint8_t size; -+ ip_set_id_t index[0]; -+}; -+ -+struct ip_set_req_setlist_create { -+ uint8_t size; -+}; -+ -+struct ip_set_req_setlist { -+ char name[IP_SET_MAXNAMELEN]; -+ char ref[IP_SET_MAXNAMELEN]; -+ uint8_t before; -+}; -+ -+#endif /* __IP_SET_SETLIST_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ipt_set.h -@@ -0,0 +1,21 @@ -+#ifndef _IPT_SET_H -+#define _IPT_SET_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+struct ipt_set_info { -+ ip_set_id_t index; -+ u_int32_t flags[IP_SET_MAX_BINDINGS + 1]; -+}; -+ -+/* match info */ -+struct ipt_set_info_match { -+ struct ipt_set_info match_set; -+}; -+ -+struct ipt_set_info_target { -+ struct ipt_set_info add_set; -+ struct ipt_set_info del_set; -+}; -+ -+#endif /*_IPT_SET_H*/ ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set.c -@@ -0,0 +1,2076 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module for IP set management */ -+ -+#include <linux/version.h> -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+#include <linux/config.h> -+#endif -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/kmod.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/random.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <linux/capability.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27) -+#include <asm/semaphore.h> -+#else -+#include <linux/semaphore.h> -+#endif -+#include <linux/spinlock.h> -+ -+#define ASSERT_READ_LOCK(x) -+#define ASSERT_WRITE_LOCK(x) -+#include <linux/netfilter.h> -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+static struct list_head set_type_list; /* all registered sets */ -+static struct ip_set **ip_set_list; /* all individual sets */ -+static DEFINE_RWLOCK(ip_set_lock); /* protects the lists and the hash */ -+static DECLARE_MUTEX(ip_set_app_mutex); /* serializes user access */ -+static ip_set_id_t ip_set_max = CONFIG_IP_NF_SET_MAX; -+static ip_set_id_t ip_set_bindings_hash_size = CONFIG_IP_NF_SET_HASHSIZE; -+static struct list_head *ip_set_hash; /* hash of bindings */ -+static unsigned int ip_set_hash_random; /* random seed */ -+ -+#define SETNAME_EQ(a,b) (strncmp(a,b,IP_SET_MAXNAMELEN) == 0) -+ -+/* -+ * Sets are identified either by the index in ip_set_list or by id. -+ * The id never changes and is used to find a key in the hash. -+ * The index may change by swapping and used at all other places -+ * (set/SET netfilter modules, binding value, etc.) -+ * -+ * Userspace requests are serialized by ip_set_mutex and sets can -+ * be deleted only from userspace. Therefore ip_set_list locking -+ * must obey the following rules: -+ * -+ * - kernel requests: read and write locking mandatory -+ * - user requests: read locking optional, write locking mandatory -+ */ -+ -+static inline void -+__ip_set_get(ip_set_id_t index) -+{ -+ atomic_inc(&ip_set_list[index]->ref); -+} -+ -+static inline void -+__ip_set_put(ip_set_id_t index) -+{ -+ atomic_dec(&ip_set_list[index]->ref); -+} -+ -+/* -+ * Binding routines -+ */ -+ -+static inline struct ip_set_hash * -+__ip_set_find(u_int32_t key, ip_set_id_t id, ip_set_ip_t ip) -+{ -+ struct ip_set_hash *set_hash; -+ -+ list_for_each_entry(set_hash, &ip_set_hash[key], list) -+ if (set_hash->id == id && set_hash->ip == ip) -+ return set_hash; -+ -+ return NULL; -+} -+ -+static ip_set_id_t -+ip_set_find_in_hash(ip_set_id_t id, ip_set_ip_t ip) -+{ -+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random) -+ % ip_set_bindings_hash_size; -+ struct ip_set_hash *set_hash; -+ -+ ASSERT_READ_LOCK(&ip_set_lock); -+ IP_SET_ASSERT(ip_set_list[id]); -+ DP("set: %s, ip: %u.%u.%u.%u", ip_set_list[id]->name, HIPQUAD(ip)); -+ -+ set_hash = __ip_set_find(key, id, ip); -+ -+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name, -+ HIPQUAD(ip), -+ set_hash != NULL ? ip_set_list[set_hash->binding]->name : ""); -+ -+ return (set_hash != NULL ? set_hash->binding : IP_SET_INVALID_ID); -+} -+ -+static inline void -+__set_hash_del(struct ip_set_hash *set_hash) -+{ -+ ASSERT_WRITE_LOCK(&ip_set_lock); -+ IP_SET_ASSERT(ip_set_list[set_hash->binding]); -+ -+ __ip_set_put(set_hash->binding); -+ list_del(&set_hash->list); -+ kfree(set_hash); -+} -+ -+static int -+ip_set_hash_del(ip_set_id_t id, ip_set_ip_t ip) -+{ -+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random) -+ % ip_set_bindings_hash_size; -+ struct ip_set_hash *set_hash; -+ -+ IP_SET_ASSERT(ip_set_list[id]); -+ DP("set: %s, ip: %u.%u.%u.%u", ip_set_list[id]->name, HIPQUAD(ip)); -+ write_lock_bh(&ip_set_lock); -+ set_hash = __ip_set_find(key, id, ip); -+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name, -+ HIPQUAD(ip), -+ set_hash != NULL ? ip_set_list[set_hash->binding]->name : ""); -+ -+ if (set_hash != NULL) -+ __set_hash_del(set_hash); -+ write_unlock_bh(&ip_set_lock); -+ return 0; -+} -+ -+static int -+ip_set_hash_add(ip_set_id_t id, ip_set_ip_t ip, ip_set_id_t binding) -+{ -+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random) -+ % ip_set_bindings_hash_size; -+ struct ip_set_hash *set_hash; -+ int ret = 0; -+ -+ IP_SET_ASSERT(ip_set_list[id]); -+ IP_SET_ASSERT(ip_set_list[binding]); -+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name, -+ HIPQUAD(ip), ip_set_list[binding]->name); -+ write_lock_bh(&ip_set_lock); -+ set_hash = __ip_set_find(key, id, ip); -+ if (!set_hash) { -+ set_hash = kmalloc(sizeof(struct ip_set_hash), GFP_ATOMIC); -+ if (!set_hash) { -+ ret = -ENOMEM; -+ goto unlock; -+ } -+ INIT_LIST_HEAD(&set_hash->list); -+ set_hash->id = id; -+ set_hash->ip = ip; -+ list_add(&set_hash->list, &ip_set_hash[key]); -+ } else { -+ IP_SET_ASSERT(ip_set_list[set_hash->binding]); -+ DP("overwrite binding: %s", -+ ip_set_list[set_hash->binding]->name); -+ __ip_set_put(set_hash->binding); -+ } -+ set_hash->binding = binding; -+ __ip_set_get(set_hash->binding); -+ DP("stored: key %u, id %u (%s), ip %u.%u.%u.%u, binding %u (%s)", -+ key, id, ip_set_list[id]->name, -+ HIPQUAD(ip), binding, ip_set_list[binding]->name); -+ unlock: -+ write_unlock_bh(&ip_set_lock); -+ return ret; -+} -+ -+#define FOREACH_HASH_DO(fn, args...) \ -+({ \ -+ ip_set_id_t __key; \ -+ struct ip_set_hash *__set_hash; \ -+ \ -+ for (__key = 0; __key < ip_set_bindings_hash_size; __key++) { \ -+ list_for_each_entry(__set_hash, &ip_set_hash[__key], list) \ -+ fn(__set_hash , ## args); \ -+ } \ -+}) -+ -+#define FOREACH_HASH_RW_DO(fn, args...) \ -+({ \ -+ ip_set_id_t __key; \ -+ struct ip_set_hash *__set_hash, *__n; \ -+ \ -+ ASSERT_WRITE_LOCK(&ip_set_lock); \ -+ for (__key = 0; __key < ip_set_bindings_hash_size; __key++) { \ -+ list_for_each_entry_safe(__set_hash, __n, &ip_set_hash[__key], list)\ -+ fn(__set_hash , ## args); \ -+ } \ -+}) -+ -+/* Add, del and test set entries from kernel */ -+ -+#define follow_bindings(index, set, ip) \ -+((index = ip_set_find_in_hash((set)->id, ip)) != IP_SET_INVALID_ID \ -+ || (index = (set)->binding) != IP_SET_INVALID_ID) -+ -+int -+ip_set_testip_kernel(ip_set_id_t index, -+ const struct sk_buff *skb, -+ const u_int32_t *flags) -+{ -+ struct ip_set *set; -+ ip_set_ip_t ip; -+ int res; -+ unsigned char i = 0; -+ -+ IP_SET_ASSERT(flags[i]); -+ read_lock_bh(&ip_set_lock); -+ do { -+ set = ip_set_list[index]; -+ IP_SET_ASSERT(set); -+ DP("set %s, index %u", set->name, index); -+ read_lock_bh(&set->lock); -+ res = set->type->testip_kernel(set, skb, &ip, flags, i++); -+ read_unlock_bh(&set->lock); -+ i += !!(set->type->features & IPSET_DATA_DOUBLE); -+ } while (res > 0 -+ && flags[i] -+ && follow_bindings(index, set, ip)); -+ read_unlock_bh(&ip_set_lock); -+ -+ return (res < 0 ? 0 : res); -+} -+ -+int -+ip_set_addip_kernel(ip_set_id_t index, -+ const struct sk_buff *skb, -+ const u_int32_t *flags) -+{ -+ struct ip_set *set; -+ ip_set_ip_t ip; -+ int res; -+ unsigned char i = 0; -+ -+ IP_SET_ASSERT(flags[i]); -+ retry: -+ read_lock_bh(&ip_set_lock); -+ do { -+ set = ip_set_list[index]; -+ IP_SET_ASSERT(set); -+ DP("set %s, index %u", set->name, index); -+ write_lock_bh(&set->lock); -+ res = set->type->addip_kernel(set, skb, &ip, flags, i++); -+ write_unlock_bh(&set->lock); -+ i += !!(set->type->features & IPSET_DATA_DOUBLE); -+ } while ((res == 0 || res == -EEXIST) -+ && flags[i] -+ && follow_bindings(index, set, ip)); -+ read_unlock_bh(&ip_set_lock); -+ -+ if (res == -EAGAIN -+ && set->type->retry -+ && (res = set->type->retry(set)) == 0) -+ goto retry; -+ -+ return res; -+} -+ -+int -+ip_set_delip_kernel(ip_set_id_t index, -+ const struct sk_buff *skb, -+ const u_int32_t *flags) -+{ -+ struct ip_set *set; -+ ip_set_ip_t ip; -+ int res; -+ unsigned char i = 0; -+ -+ IP_SET_ASSERT(flags[i]); -+ read_lock_bh(&ip_set_lock); -+ do { -+ set = ip_set_list[index]; -+ IP_SET_ASSERT(set); -+ DP("set %s, index %u", set->name, index); -+ write_lock_bh(&set->lock); -+ res = set->type->delip_kernel(set, skb, &ip, flags, i++); -+ write_unlock_bh(&set->lock); -+ i += !!(set->type->features & IPSET_DATA_DOUBLE); -+ } while ((res == 0 || res == -EEXIST) -+ && flags[i] -+ && follow_bindings(index, set, ip)); -+ read_unlock_bh(&ip_set_lock); -+ -+ return res; -+} -+ -+/* Register and deregister settype */ -+ -+static inline struct ip_set_type * -+find_set_type(const char *name) -+{ -+ struct ip_set_type *set_type; -+ -+ list_for_each_entry(set_type, &set_type_list, list) -+ if (!strncmp(set_type->typename, name, IP_SET_MAXNAMELEN - 1)) -+ return set_type; -+ return NULL; -+} -+ -+int -+ip_set_register_set_type(struct ip_set_type *set_type) -+{ -+ int ret = 0; -+ -+ if (set_type->protocol_version != IP_SET_PROTOCOL_VERSION) { -+ ip_set_printk("'%s' uses wrong protocol version %u (want %u)", -+ set_type->typename, -+ set_type->protocol_version, -+ IP_SET_PROTOCOL_VERSION); -+ return -EINVAL; -+ } -+ -+ write_lock_bh(&ip_set_lock); -+ if (find_set_type(set_type->typename)) { -+ /* Duplicate! */ -+ ip_set_printk("'%s' already registered!", -+ set_type->typename); -+ ret = -EINVAL; -+ goto unlock; -+ } -+ if (!try_module_get(THIS_MODULE)) { -+ ret = -EFAULT; -+ goto unlock; -+ } -+ list_add(&set_type->list, &set_type_list); -+ DP("'%s' registered.", set_type->typename); -+ unlock: -+ write_unlock_bh(&ip_set_lock); -+ return ret; -+} -+ -+void -+ip_set_unregister_set_type(struct ip_set_type *set_type) -+{ -+ write_lock_bh(&ip_set_lock); -+ if (!find_set_type(set_type->typename)) { -+ ip_set_printk("'%s' not registered?", -+ set_type->typename); -+ goto unlock; -+ } -+ list_del(&set_type->list); -+ module_put(THIS_MODULE); -+ DP("'%s' unregistered.", set_type->typename); -+ unlock: -+ write_unlock_bh(&ip_set_lock); -+ -+} -+ -+ip_set_id_t -+__ip_set_get_byname(const char *name, struct ip_set **set) -+{ -+ ip_set_id_t i, index = IP_SET_INVALID_ID; -+ -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && SETNAME_EQ(ip_set_list[i]->name, name)) { -+ __ip_set_get(i); -+ index = i; -+ *set = ip_set_list[i]; -+ break; -+ } -+ } -+ return index; -+} -+ -+void __ip_set_put_byindex(ip_set_id_t index) -+{ -+ if (ip_set_list[index]) -+ __ip_set_put(index); -+} -+ -+/* -+ * Userspace routines -+ */ -+ -+/* -+ * Find set by name, reference it once. The reference makes sure the -+ * thing pointed to, does not go away under our feet. Drop the reference -+ * later, using ip_set_put(). -+ */ -+ip_set_id_t -+ip_set_get_byname(const char *name) -+{ -+ ip_set_id_t i, index = IP_SET_INVALID_ID; -+ -+ down(&ip_set_app_mutex); -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && SETNAME_EQ(ip_set_list[i]->name, name)) { -+ __ip_set_get(i); -+ index = i; -+ break; -+ } -+ } -+ up(&ip_set_app_mutex); -+ return index; -+} -+ -+/* -+ * Find set by index, reference it once. The reference makes sure the -+ * thing pointed to, does not go away under our feet. Drop the reference -+ * later, using ip_set_put(). -+ */ -+ip_set_id_t -+ip_set_get_byindex(ip_set_id_t index) -+{ -+ down(&ip_set_app_mutex); -+ -+ if (index >= ip_set_max) -+ return IP_SET_INVALID_ID; -+ -+ if (ip_set_list[index]) -+ __ip_set_get(index); -+ else -+ index = IP_SET_INVALID_ID; -+ -+ up(&ip_set_app_mutex); -+ return index; -+} -+ -+/* -+ * Find the set id belonging to the index. -+ * We are protected by the mutex, so we do not need to use -+ * ip_set_lock. There is no need to reference the sets either. -+ */ -+ip_set_id_t -+ip_set_id(ip_set_id_t index) -+{ -+ if (index >= ip_set_max || !ip_set_list[index]) -+ return IP_SET_INVALID_ID; -+ -+ return ip_set_list[index]->id; -+} -+ -+/* -+ * If the given set pointer points to a valid set, decrement -+ * reference count by 1. The caller shall not assume the index -+ * to be valid, after calling this function. -+ */ -+void ip_set_put_byindex(ip_set_id_t index) -+{ -+ down(&ip_set_app_mutex); -+ if (ip_set_list[index]) -+ __ip_set_put(index); -+ up(&ip_set_app_mutex); -+} -+ -+/* Find a set by name or index */ -+static ip_set_id_t -+ip_set_find_byname(const char *name) -+{ -+ ip_set_id_t i, index = IP_SET_INVALID_ID; -+ -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && SETNAME_EQ(ip_set_list[i]->name, name)) { -+ index = i; -+ break; -+ } -+ } -+ return index; -+} -+ -+static ip_set_id_t -+ip_set_find_byindex(ip_set_id_t index) -+{ -+ if (index >= ip_set_max || ip_set_list[index] == NULL) -+ index = IP_SET_INVALID_ID; -+ -+ return index; -+} -+ -+/* -+ * Add, del, test, bind and unbind -+ */ -+ -+static inline int -+__ip_set_testip(struct ip_set *set, -+ const void *data, -+ u_int32_t size, -+ ip_set_ip_t *ip) -+{ -+ int res; -+ -+ read_lock_bh(&set->lock); -+ res = set->type->testip(set, data, size, ip); -+ read_unlock_bh(&set->lock); -+ -+ return res; -+} -+ -+static int -+__ip_set_addip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ do { -+ write_lock_bh(&set->lock); -+ res = set->type->addip(set, data, size, &ip); -+ write_unlock_bh(&set->lock); -+ } while (res == -EAGAIN -+ && set->type->retry -+ && (res = set->type->retry(set)) == 0); -+ -+ return res; -+} -+ -+static int -+ip_set_addip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ -+ IP_SET_ASSERT(set); -+ -+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) { -+ ip_set_printk("data length wrong (want %lu, have %zu)", -+ (long unsigned)set->type->reqsize, -+ size - sizeof(struct ip_set_req_adt)); -+ return -EINVAL; -+ } -+ return __ip_set_addip(index, -+ data + sizeof(struct ip_set_req_adt), -+ size - sizeof(struct ip_set_req_adt)); -+} -+ -+static int -+ip_set_delip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ -+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) { -+ ip_set_printk("data length wrong (want %lu, have %zu)", -+ (long unsigned)set->type->reqsize, -+ size - sizeof(struct ip_set_req_adt)); -+ return -EINVAL; -+ } -+ write_lock_bh(&set->lock); -+ res = set->type->delip(set, -+ data + sizeof(struct ip_set_req_adt), -+ size - sizeof(struct ip_set_req_adt), -+ &ip); -+ write_unlock_bh(&set->lock); -+ -+ return res; -+} -+ -+static int -+ip_set_testip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ -+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) { -+ ip_set_printk("data length wrong (want %lu, have %zu)", -+ (long unsigned)set->type->reqsize, -+ size - sizeof(struct ip_set_req_adt)); -+ return -EINVAL; -+ } -+ res = __ip_set_testip(set, -+ data + sizeof(struct ip_set_req_adt), -+ size - sizeof(struct ip_set_req_adt), -+ &ip); -+ -+ return (res > 0 ? -EEXIST : res); -+} -+ -+static int -+ip_set_bindip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ const struct ip_set_req_bind *req_bind; -+ ip_set_id_t binding; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ if (size < sizeof(struct ip_set_req_bind)) -+ return -EINVAL; -+ -+ req_bind = data; -+ -+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) { -+ /* Default binding of a set */ -+ const char *binding_name; -+ -+ if (size != sizeof(struct ip_set_req_bind) + IP_SET_MAXNAMELEN) -+ return -EINVAL; -+ -+ binding_name = data + sizeof(struct ip_set_req_bind); -+ -+ binding = ip_set_find_byname(binding_name); -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ write_lock_bh(&ip_set_lock); -+ /* Sets as binding values are referenced */ -+ if (set->binding != IP_SET_INVALID_ID) -+ __ip_set_put(set->binding); -+ set->binding = binding; -+ __ip_set_get(set->binding); -+ write_unlock_bh(&ip_set_lock); -+ -+ return 0; -+ } -+ binding = ip_set_find_byname(req_bind->binding); -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ res = __ip_set_testip(set, -+ data + sizeof(struct ip_set_req_bind), -+ size - sizeof(struct ip_set_req_bind), -+ &ip); -+ DP("set %s, ip: %u.%u.%u.%u, binding %s", -+ set->name, HIPQUAD(ip), ip_set_list[binding]->name); -+ -+ if (res >= 0) -+ res = ip_set_hash_add(set->id, ip, binding); -+ -+ return res; -+} -+ -+#define FOREACH_SET_DO(fn, args...) \ -+({ \ -+ ip_set_id_t __i; \ -+ struct ip_set *__set; \ -+ \ -+ for (__i = 0; __i < ip_set_max; __i++) { \ -+ __set = ip_set_list[__i]; \ -+ if (__set != NULL) \ -+ fn(__set , ##args); \ -+ } \ -+}) -+ -+static inline void -+__set_hash_del_byid(struct ip_set_hash *set_hash, ip_set_id_t id) -+{ -+ if (set_hash->id == id) -+ __set_hash_del(set_hash); -+} -+ -+static inline void -+__unbind_default(struct ip_set *set) -+{ -+ if (set->binding != IP_SET_INVALID_ID) { -+ /* Sets as binding values are referenced */ -+ __ip_set_put(set->binding); -+ set->binding = IP_SET_INVALID_ID; -+ } -+} -+ -+static int -+ip_set_unbindip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set; -+ const struct ip_set_req_bind *req_bind; -+ ip_set_ip_t ip; -+ int res; -+ -+ DP(""); -+ if (size < sizeof(struct ip_set_req_bind)) -+ return -EINVAL; -+ -+ req_bind = data; -+ -+ DP("%u %s", index, req_bind->binding); -+ if (index == IP_SET_INVALID_ID) { -+ /* unbind :all: */ -+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) { -+ /* Default binding of sets */ -+ write_lock_bh(&ip_set_lock); -+ FOREACH_SET_DO(__unbind_default); -+ write_unlock_bh(&ip_set_lock); -+ return 0; -+ } else if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_ALL)) { -+ /* Flush all bindings of all sets*/ -+ write_lock_bh(&ip_set_lock); -+ FOREACH_HASH_RW_DO(__set_hash_del); -+ write_unlock_bh(&ip_set_lock); -+ return 0; -+ } -+ DP("unreachable reached!"); -+ return -EINVAL; -+ } -+ -+ set = ip_set_list[index]; -+ IP_SET_ASSERT(set); -+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) { -+ /* Default binding of set */ -+ ip_set_id_t binding = ip_set_find_byindex(set->binding); -+ -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ write_lock_bh(&ip_set_lock); -+ /* Sets in hash values are referenced */ -+ __ip_set_put(set->binding); -+ set->binding = IP_SET_INVALID_ID; -+ write_unlock_bh(&ip_set_lock); -+ -+ return 0; -+ } else if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_ALL)) { -+ /* Flush all bindings */ -+ -+ write_lock_bh(&ip_set_lock); -+ FOREACH_HASH_RW_DO(__set_hash_del_byid, set->id); -+ write_unlock_bh(&ip_set_lock); -+ return 0; -+ } -+ -+ res = __ip_set_testip(set, -+ data + sizeof(struct ip_set_req_bind), -+ size - sizeof(struct ip_set_req_bind), -+ &ip); -+ -+ DP("set %s, ip: %u.%u.%u.%u", set->name, HIPQUAD(ip)); -+ if (res >= 0) -+ res = ip_set_hash_del(set->id, ip); -+ -+ return res; -+} -+ -+static int -+ip_set_testbind(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ const struct ip_set_req_bind *req_bind; -+ ip_set_id_t binding; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ if (size < sizeof(struct ip_set_req_bind)) -+ return -EINVAL; -+ -+ req_bind = data; -+ -+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) { -+ /* Default binding of set */ -+ const char *binding_name; -+ -+ if (size != sizeof(struct ip_set_req_bind) + IP_SET_MAXNAMELEN) -+ return -EINVAL; -+ -+ binding_name = data + sizeof(struct ip_set_req_bind); -+ -+ binding = ip_set_find_byname(binding_name); -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ res = (set->binding == binding) ? -EEXIST : 0; -+ -+ return res; -+ } -+ binding = ip_set_find_byname(req_bind->binding); -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ -+ res = __ip_set_testip(set, -+ data + sizeof(struct ip_set_req_bind), -+ size - sizeof(struct ip_set_req_bind), -+ &ip); -+ DP("set %s, ip: %u.%u.%u.%u, binding %s", -+ set->name, HIPQUAD(ip), ip_set_list[binding]->name); -+ -+ if (res >= 0) -+ res = (ip_set_find_in_hash(set->id, ip) == binding) -+ ? -EEXIST : 0; -+ -+ return res; -+} -+ -+static struct ip_set_type * -+find_set_type_rlock(const char *typename) -+{ -+ struct ip_set_type *type; -+ -+ read_lock_bh(&ip_set_lock); -+ type = find_set_type(typename); -+ if (type == NULL) -+ read_unlock_bh(&ip_set_lock); -+ -+ return type; -+} -+ -+static int -+find_free_id(const char *name, -+ ip_set_id_t *index, -+ ip_set_id_t *id) -+{ -+ ip_set_id_t i; -+ -+ *id = IP_SET_INVALID_ID; -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] == NULL) { -+ if (*id == IP_SET_INVALID_ID) -+ *id = *index = i; -+ } else if (SETNAME_EQ(name, ip_set_list[i]->name)) -+ /* Name clash */ -+ return -EEXIST; -+ } -+ if (*id == IP_SET_INVALID_ID) -+ /* No free slot remained */ -+ return -ERANGE; -+ /* Check that index is usable as id (swapping) */ -+ check: -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && ip_set_list[i]->id == *id) { -+ *id = i; -+ goto check; -+ } -+ } -+ return 0; -+} -+ -+/* -+ * Create a set -+ */ -+static int -+ip_set_create(const char *name, -+ const char *typename, -+ ip_set_id_t restore, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set; -+ ip_set_id_t index = 0, id; -+ int res = 0; -+ -+ DP("setname: %s, typename: %s, id: %u", name, typename, restore); -+ -+ /* -+ * First, and without any locks, allocate and initialize -+ * a normal base set structure. -+ */ -+ set = kmalloc(sizeof(struct ip_set), GFP_KERNEL); -+ if (!set) -+ return -ENOMEM; -+ rwlock_init(&set->lock); -+ strncpy(set->name, name, IP_SET_MAXNAMELEN); -+ set->binding = IP_SET_INVALID_ID; -+ atomic_set(&set->ref, 0); -+ -+ /* -+ * Next, take the &ip_set_lock, check that we know the type, -+ * and take a reference on the type, to make sure it -+ * stays available while constructing our new set. -+ * -+ * After referencing the type, we drop the &ip_set_lock, -+ * and let the new set construction run without locks. -+ */ -+ set->type = find_set_type_rlock(typename); -+ if (set->type == NULL) { -+ /* Try loading the module */ -+ char modulename[IP_SET_MAXNAMELEN + strlen("ip_set_") + 1]; -+ strcpy(modulename, "ip_set_"); -+ strcat(modulename, typename); -+ DP("try to load %s", modulename); -+ request_module(modulename); -+ set->type = find_set_type_rlock(typename); -+ } -+ if (set->type == NULL) { -+ ip_set_printk("no set type '%s', set '%s' not created", -+ typename, name); -+ res = -ENOENT; -+ goto out; -+ } -+ if (!try_module_get(set->type->me)) { -+ read_unlock_bh(&ip_set_lock); -+ res = -EFAULT; -+ goto out; -+ } -+ read_unlock_bh(&ip_set_lock); -+ -+ /* Check request size */ -+ if (size != set->type->header_size) { -+ ip_set_printk("data length wrong (want %lu, have %lu)", -+ (long unsigned)set->type->header_size, -+ (long unsigned)size); -+ goto put_out; -+ } -+ -+ /* -+ * Without holding any locks, create private part. -+ */ -+ res = set->type->create(set, data, size); -+ if (res != 0) -+ goto put_out; -+ -+ /* BTW, res==0 here. */ -+ -+ /* -+ * Here, we have a valid, constructed set. &ip_set_lock again, -+ * find free id/index and check that it is not already in -+ * ip_set_list. -+ */ -+ write_lock_bh(&ip_set_lock); -+ if ((res = find_free_id(set->name, &index, &id)) != 0) { -+ DP("no free id!"); -+ goto cleanup; -+ } -+ -+ /* Make sure restore gets the same index */ -+ if (restore != IP_SET_INVALID_ID && index != restore) { -+ DP("Can't restore, sets are screwed up"); -+ res = -ERANGE; -+ goto cleanup; -+ } -+ -+ /* -+ * Finally! Add our shiny new set to the list, and be done. -+ */ -+ DP("create: '%s' created with index %u, id %u!", set->name, index, id); -+ set->id = id; -+ ip_set_list[index] = set; -+ write_unlock_bh(&ip_set_lock); -+ return res; -+ -+ cleanup: -+ write_unlock_bh(&ip_set_lock); -+ set->type->destroy(set); -+ put_out: -+ module_put(set->type->me); -+ out: -+ kfree(set); -+ return res; -+} -+ -+/* -+ * Destroy a given existing set -+ */ -+static void -+ip_set_destroy_set(ip_set_id_t index) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ -+ IP_SET_ASSERT(set); -+ DP("set: %s", set->name); -+ write_lock_bh(&ip_set_lock); -+ FOREACH_HASH_RW_DO(__set_hash_del_byid, set->id); -+ if (set->binding != IP_SET_INVALID_ID) -+ __ip_set_put(set->binding); -+ ip_set_list[index] = NULL; -+ write_unlock_bh(&ip_set_lock); -+ -+ /* Must call it without holding any lock */ -+ set->type->destroy(set); -+ module_put(set->type->me); -+ kfree(set); -+} -+ -+/* -+ * Destroy a set - or all sets -+ * Sets must not be referenced/used. -+ */ -+static int -+ip_set_destroy(ip_set_id_t index) -+{ -+ ip_set_id_t i; -+ -+ /* ref modification always protected by the mutex */ -+ if (index != IP_SET_INVALID_ID) { -+ if (atomic_read(&ip_set_list[index]->ref)) -+ return -EBUSY; -+ ip_set_destroy_set(index); -+ } else { -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && (atomic_read(&ip_set_list[i]->ref))) -+ return -EBUSY; -+ } -+ -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL) -+ ip_set_destroy_set(i); -+ } -+ } -+ return 0; -+} -+ -+static void -+ip_set_flush_set(struct ip_set *set) -+{ -+ DP("set: %s %u", set->name, set->id); -+ -+ write_lock_bh(&set->lock); -+ set->type->flush(set); -+ write_unlock_bh(&set->lock); -+} -+ -+/* -+ * Flush data in a set - or in all sets -+ */ -+static int -+ip_set_flush(ip_set_id_t index) -+{ -+ if (index != IP_SET_INVALID_ID) { -+ IP_SET_ASSERT(ip_set_list[index]); -+ ip_set_flush_set(ip_set_list[index]); -+ } else -+ FOREACH_SET_DO(ip_set_flush_set); -+ -+ return 0; -+} -+ -+/* Rename a set */ -+static int -+ip_set_rename(ip_set_id_t index, const char *name) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ ip_set_id_t i; -+ int res = 0; -+ -+ DP("set: %s to %s", set->name, name); -+ write_lock_bh(&ip_set_lock); -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && SETNAME_EQ(ip_set_list[i]->name, name)) { -+ res = -EEXIST; -+ goto unlock; -+ } -+ } -+ strncpy(set->name, name, IP_SET_MAXNAMELEN); -+ unlock: -+ write_unlock_bh(&ip_set_lock); -+ return res; -+} -+ -+/* -+ * Swap two sets so that name/index points to the other. -+ * References are also swapped. -+ */ -+static int -+ip_set_swap(ip_set_id_t from_index, ip_set_id_t to_index) -+{ -+ struct ip_set *from = ip_set_list[from_index]; -+ struct ip_set *to = ip_set_list[to_index]; -+ char from_name[IP_SET_MAXNAMELEN]; -+ u_int32_t from_ref; -+ -+ DP("set: %s to %s", from->name, to->name); -+ /* Features must not change. -+ * Not an artifical restriction anymore, as we must prevent -+ * possible loops created by swapping in setlist type of sets. */ -+ if (from->type->features != to->type->features) -+ return -ENOEXEC; -+ -+ /* No magic here: ref munging protected by the mutex */ -+ write_lock_bh(&ip_set_lock); -+ strncpy(from_name, from->name, IP_SET_MAXNAMELEN); -+ from_ref = atomic_read(&from->ref); -+ -+ strncpy(from->name, to->name, IP_SET_MAXNAMELEN); -+ atomic_set(&from->ref, atomic_read(&to->ref)); -+ strncpy(to->name, from_name, IP_SET_MAXNAMELEN); -+ atomic_set(&to->ref, from_ref); -+ -+ ip_set_list[from_index] = to; -+ ip_set_list[to_index] = from; -+ -+ write_unlock_bh(&ip_set_lock); -+ return 0; -+} -+ -+/* -+ * List set data -+ */ -+ -+static inline void -+__set_hash_bindings_size_list(struct ip_set_hash *set_hash, -+ ip_set_id_t id, u_int32_t *size) -+{ -+ if (set_hash->id == id) -+ *size += sizeof(struct ip_set_hash_list); -+} -+ -+static inline void -+__set_hash_bindings_size_save(struct ip_set_hash *set_hash, -+ ip_set_id_t id, u_int32_t *size) -+{ -+ if (set_hash->id == id) -+ *size += sizeof(struct ip_set_hash_save); -+} -+ -+static inline void -+__set_hash_bindings(struct ip_set_hash *set_hash, -+ ip_set_id_t id, void *data, int *used) -+{ -+ if (set_hash->id == id) { -+ struct ip_set_hash_list *hash_list = data + *used; -+ -+ hash_list->ip = set_hash->ip; -+ hash_list->binding = set_hash->binding; -+ *used += sizeof(struct ip_set_hash_list); -+ } -+} -+ -+static int ip_set_list_set(ip_set_id_t index, -+ void *data, -+ int *used, -+ int len) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ struct ip_set_list *set_list; -+ -+ /* Pointer to our header */ -+ set_list = data + *used; -+ -+ DP("set: %s, used: %d %p %p", set->name, *used, data, data + *used); -+ -+ /* Get and ensure header size */ -+ if (*used + sizeof(struct ip_set_list) > len) -+ goto not_enough_mem; -+ *used += sizeof(struct ip_set_list); -+ -+ read_lock_bh(&set->lock); -+ /* Get and ensure set specific header size */ -+ set_list->header_size = set->type->header_size; -+ if (*used + set_list->header_size > len) -+ goto unlock_set; -+ -+ /* Fill in the header */ -+ set_list->index = index; -+ set_list->binding = set->binding; -+ set_list->ref = atomic_read(&set->ref); -+ -+ /* Fill in set spefific header data */ -+ set->type->list_header(set, data + *used); -+ *used += set_list->header_size; -+ -+ /* Get and ensure set specific members size */ -+ set_list->members_size = set->type->list_members_size(set); -+ if (*used + set_list->members_size > len) -+ goto unlock_set; -+ -+ /* Fill in set spefific members data */ -+ set->type->list_members(set, data + *used); -+ *used += set_list->members_size; -+ read_unlock_bh(&set->lock); -+ -+ /* Bindings */ -+ -+ /* Get and ensure set specific bindings size */ -+ set_list->bindings_size = 0; -+ FOREACH_HASH_DO(__set_hash_bindings_size_list, -+ set->id, &set_list->bindings_size); -+ if (*used + set_list->bindings_size > len) -+ goto not_enough_mem; -+ -+ /* Fill in set spefific bindings data */ -+ FOREACH_HASH_DO(__set_hash_bindings, set->id, data, used); -+ -+ return 0; -+ -+ unlock_set: -+ read_unlock_bh(&set->lock); -+ not_enough_mem: -+ DP("not enough mem, try again"); -+ return -EAGAIN; -+} -+ -+/* -+ * Save sets -+ */ -+static int ip_set_save_set(ip_set_id_t index, -+ void *data, -+ int *used, -+ int len) -+{ -+ struct ip_set *set; -+ struct ip_set_save *set_save; -+ -+ /* Pointer to our header */ -+ set_save = data + *used; -+ -+ /* Get and ensure header size */ -+ if (*used + sizeof(struct ip_set_save) > len) -+ goto not_enough_mem; -+ *used += sizeof(struct ip_set_save); -+ -+ set = ip_set_list[index]; -+ DP("set: %s, used: %d(%d) %p %p", set->name, *used, len, -+ data, data + *used); -+ -+ read_lock_bh(&set->lock); -+ /* Get and ensure set specific header size */ -+ set_save->header_size = set->type->header_size; -+ if (*used + set_save->header_size > len) -+ goto unlock_set; -+ -+ /* Fill in the header */ -+ set_save->index = index; -+ set_save->binding = set->binding; -+ -+ /* Fill in set spefific header data */ -+ set->type->list_header(set, data + *used); -+ *used += set_save->header_size; -+ -+ DP("set header filled: %s, used: %d(%lu) %p %p", set->name, *used, -+ (unsigned long)set_save->header_size, data, data + *used); -+ /* Get and ensure set specific members size */ -+ set_save->members_size = set->type->list_members_size(set); -+ if (*used + set_save->members_size > len) -+ goto unlock_set; -+ -+ /* Fill in set spefific members data */ -+ set->type->list_members(set, data + *used); -+ *used += set_save->members_size; -+ read_unlock_bh(&set->lock); -+ DP("set members filled: %s, used: %d(%lu) %p %p", set->name, *used, -+ (unsigned long)set_save->members_size, data, data + *used); -+ return 0; -+ -+ unlock_set: -+ read_unlock_bh(&set->lock); -+ not_enough_mem: -+ DP("not enough mem, try again"); -+ return -EAGAIN; -+} -+ -+static inline void -+__set_hash_save_bindings(struct ip_set_hash *set_hash, -+ ip_set_id_t id, -+ void *data, -+ int *used, -+ int len, -+ int *res) -+{ -+ if (*res == 0 -+ && (id == IP_SET_INVALID_ID || set_hash->id == id)) { -+ struct ip_set_hash_save *hash_save = data + *used; -+ /* Ensure bindings size */ -+ if (*used + sizeof(struct ip_set_hash_save) > len) { -+ *res = -ENOMEM; -+ return; -+ } -+ hash_save->id = set_hash->id; -+ hash_save->ip = set_hash->ip; -+ hash_save->binding = set_hash->binding; -+ *used += sizeof(struct ip_set_hash_save); -+ } -+} -+ -+static int ip_set_save_bindings(ip_set_id_t index, -+ void *data, -+ int *used, -+ int len) -+{ -+ int res = 0; -+ struct ip_set_save *set_save; -+ -+ DP("used %u, len %u", *used, len); -+ /* Get and ensure header size */ -+ if (*used + sizeof(struct ip_set_save) > len) -+ return -ENOMEM; -+ -+ /* Marker */ -+ set_save = data + *used; -+ set_save->index = IP_SET_INVALID_ID; -+ set_save->header_size = 0; -+ set_save->members_size = 0; -+ *used += sizeof(struct ip_set_save); -+ -+ DP("marker added used %u, len %u", *used, len); -+ /* Fill in bindings data */ -+ if (index != IP_SET_INVALID_ID) -+ /* Sets are identified by id in hash */ -+ index = ip_set_list[index]->id; -+ FOREACH_HASH_DO(__set_hash_save_bindings, index, data, used, len, &res); -+ -+ return res; -+} -+ -+/* -+ * Restore sets -+ */ -+static int ip_set_restore(void *data, -+ int len) -+{ -+ int res = 0; -+ int line = 0, used = 0, members_size; -+ struct ip_set *set; -+ struct ip_set_hash_save *hash_save; -+ struct ip_set_restore *set_restore; -+ ip_set_id_t index; -+ -+ /* Loop to restore sets */ -+ while (1) { -+ line++; -+ -+ DP("%d %zu %d", used, sizeof(struct ip_set_restore), len); -+ /* Get and ensure header size */ -+ if (used + sizeof(struct ip_set_restore) > len) -+ return line; -+ set_restore = data + used; -+ used += sizeof(struct ip_set_restore); -+ -+ /* Ensure data size */ -+ if (used -+ + set_restore->header_size -+ + set_restore->members_size > len) -+ return line; -+ -+ /* Check marker */ -+ if (set_restore->index == IP_SET_INVALID_ID) { -+ line--; -+ goto bindings; -+ } -+ -+ /* Try to create the set */ -+ DP("restore %s %s", set_restore->name, set_restore->typename); -+ res = ip_set_create(set_restore->name, -+ set_restore->typename, -+ set_restore->index, -+ data + used, -+ set_restore->header_size); -+ -+ if (res != 0) -+ return line; -+ used += set_restore->header_size; -+ -+ index = ip_set_find_byindex(set_restore->index); -+ DP("index %u, restore_index %u", index, set_restore->index); -+ if (index != set_restore->index) -+ return line; -+ /* Try to restore members data */ -+ set = ip_set_list[index]; -+ members_size = 0; -+ DP("members_size %lu reqsize %lu", -+ (unsigned long)set_restore->members_size, -+ (unsigned long)set->type->reqsize); -+ while (members_size + set->type->reqsize <= -+ set_restore->members_size) { -+ line++; -+ DP("members: %d, line %d", members_size, line); -+ res = __ip_set_addip(index, -+ data + used + members_size, -+ set->type->reqsize); -+ if (!(res == 0 || res == -EEXIST)) -+ return line; -+ members_size += set->type->reqsize; -+ } -+ -+ DP("members_size %lu %d", -+ (unsigned long)set_restore->members_size, members_size); -+ if (members_size != set_restore->members_size) -+ return line++; -+ used += set_restore->members_size; -+ } -+ -+ bindings: -+ /* Loop to restore bindings */ -+ while (used < len) { -+ line++; -+ -+ DP("restore binding, line %u", line); -+ /* Get and ensure size */ -+ if (used + sizeof(struct ip_set_hash_save) > len) -+ return line; -+ hash_save = data + used; -+ used += sizeof(struct ip_set_hash_save); -+ -+ /* hash_save->id is used to store the index */ -+ index = ip_set_find_byindex(hash_save->id); -+ DP("restore binding index %u, id %u, %u -> %u", -+ index, hash_save->id, hash_save->ip, hash_save->binding); -+ if (index != hash_save->id) -+ return line; -+ if (ip_set_find_byindex(hash_save->binding) == IP_SET_INVALID_ID) { -+ DP("corrupt binding set index %u", hash_save->binding); -+ return line; -+ } -+ set = ip_set_list[hash_save->id]; -+ /* Null valued IP means default binding */ -+ if (hash_save->ip) -+ res = ip_set_hash_add(set->id, -+ hash_save->ip, -+ hash_save->binding); -+ else { -+ IP_SET_ASSERT(set->binding == IP_SET_INVALID_ID); -+ write_lock_bh(&ip_set_lock); -+ set->binding = hash_save->binding; -+ __ip_set_get(set->binding); -+ write_unlock_bh(&ip_set_lock); -+ DP("default binding: %u", set->binding); -+ } -+ if (res != 0) -+ return line; -+ } -+ if (used != len) -+ return line; -+ -+ return 0; -+} -+ -+static int -+ip_set_sockfn_set(struct sock *sk, int optval, void *user, unsigned int len) -+{ -+ void *data; -+ int res = 0; /* Assume OK */ -+ unsigned *op; -+ struct ip_set_req_adt *req_adt; -+ ip_set_id_t index = IP_SET_INVALID_ID; -+ int (*adtfn)(ip_set_id_t index, -+ const void *data, u_int32_t size); -+ struct fn_table { -+ int (*fn)(ip_set_id_t index, -+ const void *data, u_int32_t size); -+ } adtfn_table[] = -+ { { ip_set_addip }, { ip_set_delip }, { ip_set_testip}, -+ { ip_set_bindip}, { ip_set_unbindip }, { ip_set_testbind }, -+ }; -+ -+ DP("optval=%d, user=%p, len=%d", optval, user, len); -+ if (!capable(CAP_NET_ADMIN)) -+ return -EPERM; -+ if (optval != SO_IP_SET) -+ return -EBADF; -+ if (len <= sizeof(unsigned)) { -+ ip_set_printk("short userdata (want >%zu, got %u)", -+ sizeof(unsigned), len); -+ return -EINVAL; -+ } -+ data = vmalloc(len); -+ if (!data) { -+ DP("out of mem for %u bytes", len); -+ return -ENOMEM; -+ } -+ if (copy_from_user(data, user, len) != 0) { -+ res = -EFAULT; -+ goto done; -+ } -+ if (down_interruptible(&ip_set_app_mutex)) { -+ res = -EINTR; -+ goto done; -+ } -+ -+ op = (unsigned *)data; -+ DP("op=%x", *op); -+ -+ if (*op < IP_SET_OP_VERSION) { -+ /* Check the version at the beginning of operations */ -+ struct ip_set_req_version *req_version = data; -+ if (req_version->version != IP_SET_PROTOCOL_VERSION) { -+ res = -EPROTO; -+ goto done; -+ } -+ } -+ -+ switch (*op) { -+ case IP_SET_OP_CREATE:{ -+ struct ip_set_req_create *req_create = data; -+ -+ if (len < sizeof(struct ip_set_req_create)) { -+ ip_set_printk("short CREATE data (want >=%zu, got %u)", -+ sizeof(struct ip_set_req_create), len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_create->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ req_create->typename[IP_SET_MAXNAMELEN - 1] = '\0'; -+ res = ip_set_create(req_create->name, -+ req_create->typename, -+ IP_SET_INVALID_ID, -+ data + sizeof(struct ip_set_req_create), -+ len - sizeof(struct ip_set_req_create)); -+ goto done; -+ } -+ case IP_SET_OP_DESTROY:{ -+ struct ip_set_req_std *req_destroy = data; -+ -+ if (len != sizeof(struct ip_set_req_std)) { -+ ip_set_printk("invalid DESTROY data (want %zu, got %u)", -+ sizeof(struct ip_set_req_std), len); -+ res = -EINVAL; -+ goto done; -+ } -+ if (SETNAME_EQ(req_destroy->name, IPSET_TOKEN_ALL)) { -+ /* Destroy all sets */ -+ index = IP_SET_INVALID_ID; -+ } else { -+ req_destroy->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byname(req_destroy->name); -+ -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ } -+ -+ res = ip_set_destroy(index); -+ goto done; -+ } -+ case IP_SET_OP_FLUSH:{ -+ struct ip_set_req_std *req_flush = data; -+ -+ if (len != sizeof(struct ip_set_req_std)) { -+ ip_set_printk("invalid FLUSH data (want %zu, got %u)", -+ sizeof(struct ip_set_req_std), len); -+ res = -EINVAL; -+ goto done; -+ } -+ if (SETNAME_EQ(req_flush->name, IPSET_TOKEN_ALL)) { -+ /* Flush all sets */ -+ index = IP_SET_INVALID_ID; -+ } else { -+ req_flush->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byname(req_flush->name); -+ -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ } -+ res = ip_set_flush(index); -+ goto done; -+ } -+ case IP_SET_OP_RENAME:{ -+ struct ip_set_req_create *req_rename = data; -+ -+ if (len != sizeof(struct ip_set_req_create)) { -+ ip_set_printk("invalid RENAME data (want %zu, got %u)", -+ sizeof(struct ip_set_req_create), len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ req_rename->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ req_rename->typename[IP_SET_MAXNAMELEN - 1] = '\0'; -+ -+ index = ip_set_find_byname(req_rename->name); -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ res = ip_set_rename(index, req_rename->typename); -+ goto done; -+ } -+ case IP_SET_OP_SWAP:{ -+ struct ip_set_req_create *req_swap = data; -+ ip_set_id_t to_index; -+ -+ if (len != sizeof(struct ip_set_req_create)) { -+ ip_set_printk("invalid SWAP data (want %zu, got %u)", -+ sizeof(struct ip_set_req_create), len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ req_swap->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ req_swap->typename[IP_SET_MAXNAMELEN - 1] = '\0'; -+ -+ index = ip_set_find_byname(req_swap->name); -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ to_index = ip_set_find_byname(req_swap->typename); -+ if (to_index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ res = ip_set_swap(index, to_index); -+ goto done; -+ } -+ default: -+ break; /* Set identified by id */ -+ } -+ -+ /* There we may have add/del/test/bind/unbind/test_bind operations */ -+ if (*op < IP_SET_OP_ADD_IP || *op > IP_SET_OP_TEST_BIND_SET) { -+ res = -EBADMSG; -+ goto done; -+ } -+ adtfn = adtfn_table[*op - IP_SET_OP_ADD_IP].fn; -+ -+ if (len < sizeof(struct ip_set_req_adt)) { -+ ip_set_printk("short data in adt request (want >=%zu, got %u)", -+ sizeof(struct ip_set_req_adt), len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_adt = data; -+ -+ /* -U :all: :all:|:default: uses IP_SET_INVALID_ID */ -+ if (!(*op == IP_SET_OP_UNBIND_SET -+ && req_adt->index == IP_SET_INVALID_ID)) { -+ index = ip_set_find_byindex(req_adt->index); -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ } -+ res = adtfn(index, data, len); -+ -+ done: -+ up(&ip_set_app_mutex); -+ vfree(data); -+ if (res > 0) -+ res = 0; -+ DP("final result %d", res); -+ return res; -+} -+ -+static int -+ip_set_sockfn_get(struct sock *sk, int optval, void *user, int *len) -+{ -+ int res = 0; -+ unsigned *op; -+ ip_set_id_t index = IP_SET_INVALID_ID; -+ void *data; -+ int copylen = *len; -+ -+ DP("optval=%d, user=%p, len=%d", optval, user, *len); -+ if (!capable(CAP_NET_ADMIN)) -+ return -EPERM; -+ if (optval != SO_IP_SET) -+ return -EBADF; -+ if (*len < sizeof(unsigned)) { -+ ip_set_printk("short userdata (want >=%zu, got %d)", -+ sizeof(unsigned), *len); -+ return -EINVAL; -+ } -+ data = vmalloc(*len); -+ if (!data) { -+ DP("out of mem for %d bytes", *len); -+ return -ENOMEM; -+ } -+ if (copy_from_user(data, user, *len) != 0) { -+ res = -EFAULT; -+ goto done; -+ } -+ if (down_interruptible(&ip_set_app_mutex)) { -+ res = -EINTR; -+ goto done; -+ } -+ -+ op = (unsigned *) data; -+ DP("op=%x", *op); -+ -+ if (*op < IP_SET_OP_VERSION) { -+ /* Check the version at the beginning of operations */ -+ struct ip_set_req_version *req_version = data; -+ if (req_version->version != IP_SET_PROTOCOL_VERSION) { -+ res = -EPROTO; -+ goto done; -+ } -+ } -+ -+ switch (*op) { -+ case IP_SET_OP_VERSION: { -+ struct ip_set_req_version *req_version = data; -+ -+ if (*len != sizeof(struct ip_set_req_version)) { -+ ip_set_printk("invalid VERSION (want %zu, got %d)", -+ sizeof(struct ip_set_req_version), -+ *len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ req_version->version = IP_SET_PROTOCOL_VERSION; -+ res = copy_to_user(user, req_version, -+ sizeof(struct ip_set_req_version)); -+ goto done; -+ } -+ case IP_SET_OP_GET_BYNAME: { -+ struct ip_set_req_get_set *req_get = data; -+ -+ if (*len != sizeof(struct ip_set_req_get_set)) { -+ ip_set_printk("invalid GET_BYNAME (want %zu, got %d)", -+ sizeof(struct ip_set_req_get_set), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byname(req_get->set.name); -+ req_get->set.index = index; -+ goto copy; -+ } -+ case IP_SET_OP_GET_BYINDEX: { -+ struct ip_set_req_get_set *req_get = data; -+ -+ if (*len != sizeof(struct ip_set_req_get_set)) { -+ ip_set_printk("invalid GET_BYINDEX (want %zu, got %d)", -+ sizeof(struct ip_set_req_get_set), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byindex(req_get->set.index); -+ strncpy(req_get->set.name, -+ index == IP_SET_INVALID_ID ? "" -+ : ip_set_list[index]->name, IP_SET_MAXNAMELEN); -+ goto copy; -+ } -+ case IP_SET_OP_ADT_GET: { -+ struct ip_set_req_adt_get *req_get = data; -+ -+ if (*len != sizeof(struct ip_set_req_adt_get)) { -+ ip_set_printk("invalid ADT_GET (want %zu, got %d)", -+ sizeof(struct ip_set_req_adt_get), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byname(req_get->set.name); -+ if (index != IP_SET_INVALID_ID) { -+ req_get->set.index = index; -+ strncpy(req_get->typename, -+ ip_set_list[index]->type->typename, -+ IP_SET_MAXNAMELEN - 1); -+ } else { -+ res = -ENOENT; -+ goto done; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_MAX_SETS: { -+ struct ip_set_req_max_sets *req_max_sets = data; -+ ip_set_id_t i; -+ -+ if (*len != sizeof(struct ip_set_req_max_sets)) { -+ ip_set_printk("invalid MAX_SETS (want %zu, got %d)", -+ sizeof(struct ip_set_req_max_sets), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ if (SETNAME_EQ(req_max_sets->set.name, IPSET_TOKEN_ALL)) { -+ req_max_sets->set.index = IP_SET_INVALID_ID; -+ } else { -+ req_max_sets->set.name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ req_max_sets->set.index = -+ ip_set_find_byname(req_max_sets->set.name); -+ if (req_max_sets->set.index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ } -+ req_max_sets->max_sets = ip_set_max; -+ req_max_sets->sets = 0; -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL) -+ req_max_sets->sets++; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_LIST_SIZE: -+ case IP_SET_OP_SAVE_SIZE: { -+ struct ip_set_req_setnames *req_setnames = data; -+ struct ip_set_name_list *name_list; -+ struct ip_set *set; -+ ip_set_id_t i; -+ int used; -+ -+ if (*len < sizeof(struct ip_set_req_setnames)) { -+ ip_set_printk("short LIST_SIZE (want >=%zu, got %d)", -+ sizeof(struct ip_set_req_setnames), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ req_setnames->size = 0; -+ used = sizeof(struct ip_set_req_setnames); -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] == NULL) -+ continue; -+ name_list = data + used; -+ used += sizeof(struct ip_set_name_list); -+ if (used > copylen) { -+ res = -EAGAIN; -+ goto done; -+ } -+ set = ip_set_list[i]; -+ /* Fill in index, name, etc. */ -+ name_list->index = i; -+ name_list->id = set->id; -+ strncpy(name_list->name, -+ set->name, -+ IP_SET_MAXNAMELEN - 1); -+ strncpy(name_list->typename, -+ set->type->typename, -+ IP_SET_MAXNAMELEN - 1); -+ DP("filled %s of type %s, index %u\n", -+ name_list->name, name_list->typename, -+ name_list->index); -+ if (!(req_setnames->index == IP_SET_INVALID_ID -+ || req_setnames->index == i)) -+ continue; -+ /* Update size */ -+ switch (*op) { -+ case IP_SET_OP_LIST_SIZE: { -+ req_setnames->size += sizeof(struct ip_set_list) -+ + set->type->header_size -+ + set->type->list_members_size(set); -+ /* Sets are identified by id in the hash */ -+ FOREACH_HASH_DO(__set_hash_bindings_size_list, -+ set->id, &req_setnames->size); -+ break; -+ } -+ case IP_SET_OP_SAVE_SIZE: { -+ req_setnames->size += sizeof(struct ip_set_save) -+ + set->type->header_size -+ + set->type->list_members_size(set); -+ FOREACH_HASH_DO(__set_hash_bindings_size_save, -+ set->id, &req_setnames->size); -+ break; -+ } -+ default: -+ break; -+ } -+ } -+ if (copylen != used) { -+ res = -EAGAIN; -+ goto done; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_LIST: { -+ struct ip_set_req_list *req_list = data; -+ ip_set_id_t i; -+ int used; -+ -+ if (*len < sizeof(struct ip_set_req_list)) { -+ ip_set_printk("short LIST (want >=%zu, got %d)", -+ sizeof(struct ip_set_req_list), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ index = req_list->index; -+ if (index != IP_SET_INVALID_ID -+ && ip_set_find_byindex(index) != index) { -+ res = -ENOENT; -+ goto done; -+ } -+ used = 0; -+ if (index == IP_SET_INVALID_ID) { -+ /* List all sets */ -+ for (i = 0; i < ip_set_max && res == 0; i++) { -+ if (ip_set_list[i] != NULL) -+ res = ip_set_list_set(i, data, &used, *len); -+ } -+ } else { -+ /* List an individual set */ -+ res = ip_set_list_set(index, data, &used, *len); -+ } -+ if (res != 0) -+ goto done; -+ else if (copylen != used) { -+ res = -EAGAIN; -+ goto done; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_SAVE: { -+ struct ip_set_req_list *req_save = data; -+ ip_set_id_t i; -+ int used; -+ -+ if (*len < sizeof(struct ip_set_req_list)) { -+ ip_set_printk("short SAVE (want >=%zu, got %d)", -+ sizeof(struct ip_set_req_list), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ index = req_save->index; -+ if (index != IP_SET_INVALID_ID -+ && ip_set_find_byindex(index) != index) { -+ res = -ENOENT; -+ goto done; -+ } -+ -+#define SETLIST(set) (strcmp(set->type->typename, "setlist") == 0) -+ -+ used = 0; -+ if (index == IP_SET_INVALID_ID) { -+ /* Save all sets: ugly setlist type dependency */ -+ int setlist = 0; -+ setlists: -+ for (i = 0; i < ip_set_max && res == 0; i++) { -+ if (ip_set_list[i] != NULL -+ && !(setlist ^ SETLIST(ip_set_list[i]))) -+ res = ip_set_save_set(i, data, &used, *len); -+ } -+ if (!setlist) { -+ setlist = 1; -+ goto setlists; -+ } -+ } else { -+ /* Save an individual set */ -+ res = ip_set_save_set(index, data, &used, *len); -+ } -+ if (res == 0) -+ res = ip_set_save_bindings(index, data, &used, *len); -+ -+ if (res != 0) -+ goto done; -+ else if (copylen != used) { -+ res = -EAGAIN; -+ goto done; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_RESTORE: { -+ struct ip_set_req_setnames *req_restore = data; -+ int line; -+ -+ if (*len < sizeof(struct ip_set_req_setnames) -+ || *len != req_restore->size) { -+ ip_set_printk("invalid RESTORE (want =%lu, got %d)", -+ (long unsigned)req_restore->size, *len); -+ res = -EINVAL; -+ goto done; -+ } -+ line = ip_set_restore(data + sizeof(struct ip_set_req_setnames), -+ req_restore->size - sizeof(struct ip_set_req_setnames)); -+ DP("ip_set_restore: %d", line); -+ if (line != 0) { -+ res = -EAGAIN; -+ req_restore->size = line; -+ copylen = sizeof(struct ip_set_req_setnames); -+ goto copy; -+ } -+ goto done; -+ } -+ default: -+ res = -EBADMSG; -+ goto done; -+ } /* end of switch(op) */ -+ -+ copy: -+ DP("set %s, copylen %d", index != IP_SET_INVALID_ID -+ && ip_set_list[index] -+ ? ip_set_list[index]->name -+ : ":all:", copylen); -+ res = copy_to_user(user, data, copylen); -+ -+ done: -+ up(&ip_set_app_mutex); -+ vfree(data); -+ if (res > 0) -+ res = 0; -+ DP("final result %d", res); -+ return res; -+} -+ -+static struct nf_sockopt_ops so_set = { -+ .pf = PF_INET, -+ .set_optmin = SO_IP_SET, -+ .set_optmax = SO_IP_SET + 1, -+ .set = &ip_set_sockfn_set, -+ .get_optmin = SO_IP_SET, -+ .get_optmax = SO_IP_SET + 1, -+ .get = &ip_set_sockfn_get, -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -+ .use = 0, -+#else -+ .owner = THIS_MODULE, -+#endif -+}; -+ -+static int max_sets, hash_size; -+ -+module_param(max_sets, int, 0600); -+MODULE_PARM_DESC(max_sets, "maximal number of sets"); -+module_param(hash_size, int, 0600); -+MODULE_PARM_DESC(hash_size, "hash size for bindings"); -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("module implementing core IP set support"); -+ -+static int __init ip_set_init(void) -+{ -+ int res; -+ ip_set_id_t i; -+ -+ get_random_bytes(&ip_set_hash_random, 4); -+ if (max_sets) -+ ip_set_max = max_sets; -+ ip_set_list = vmalloc(sizeof(struct ip_set *) * ip_set_max); -+ if (!ip_set_list) { -+ printk(KERN_ERR "Unable to create ip_set_list\n"); -+ return -ENOMEM; -+ } -+ memset(ip_set_list, 0, sizeof(struct ip_set *) * ip_set_max); -+ if (hash_size) -+ ip_set_bindings_hash_size = hash_size; -+ ip_set_hash = vmalloc(sizeof(struct list_head) * ip_set_bindings_hash_size); -+ if (!ip_set_hash) { -+ printk(KERN_ERR "Unable to create ip_set_hash\n"); -+ vfree(ip_set_list); -+ return -ENOMEM; -+ } -+ for (i = 0; i < ip_set_bindings_hash_size; i++) -+ INIT_LIST_HEAD(&ip_set_hash[i]); -+ -+ INIT_LIST_HEAD(&set_type_list); -+ -+ res = nf_register_sockopt(&so_set); -+ if (res != 0) { -+ ip_set_printk("SO_SET registry failed: %d", res); -+ vfree(ip_set_list); -+ vfree(ip_set_hash); -+ return res; -+ } -+ -+ return 0; -+} -+ -+static void __exit ip_set_fini(void) -+{ -+ /* There can't be any existing set or binding */ -+ nf_unregister_sockopt(&so_set); -+ vfree(ip_set_list); -+ vfree(ip_set_hash); -+ DP("these are the famous last words"); -+} -+ -+EXPORT_SYMBOL(ip_set_register_set_type); -+EXPORT_SYMBOL(ip_set_unregister_set_type); -+ -+EXPORT_SYMBOL(ip_set_get_byname); -+EXPORT_SYMBOL(ip_set_get_byindex); -+EXPORT_SYMBOL(ip_set_put_byindex); -+EXPORT_SYMBOL(ip_set_id); -+EXPORT_SYMBOL(__ip_set_get_byname); -+EXPORT_SYMBOL(__ip_set_put_byindex); -+ -+EXPORT_SYMBOL(ip_set_addip_kernel); -+EXPORT_SYMBOL(ip_set_delip_kernel); -+EXPORT_SYMBOL(ip_set_testip_kernel); -+ -+module_init(ip_set_init); -+module_exit(ip_set_fini); ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_iphash.c -@@ -0,0 +1,166 @@ -+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an ip hash set */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/random.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_iphash.h> -+ -+static int limit = MAX_RANGE; -+ -+static inline __u32 -+iphash_id(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iphash *map = set->data; -+ __u32 id; -+ u_int16_t i; -+ ip_set_ip_t *elem; -+ -+ *hash_ip = ip & map->netmask; -+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip), HIPQUAD(map->netmask)); -+ -+ for (i = 0; i < map->probes; i++) { -+ id = jhash_ip(map, i, *hash_ip) % map->hashsize; -+ DP("hash key: %u", id); -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ if (*elem == *hash_ip) -+ return id; -+ /* No shortcut - there can be deleted entries. */ -+ } -+ return UINT_MAX; -+} -+ -+static inline int -+iphash_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ return (ip && iphash_id(set, hash_ip, ip) != UINT_MAX); -+} -+ -+#define KADT_CONDITION -+ -+UADT(iphash, test) -+KADT(iphash, test, ipaddr) -+ -+static inline int -+__iphash_add(struct ip_set_iphash *map, ip_set_ip_t *ip) -+{ -+ __u32 probe; -+ u_int16_t i; -+ ip_set_ip_t *elem, *slot = NULL; -+ -+ for (i = 0; i < map->probes; i++) { -+ probe = jhash_ip(map, i, *ip) % map->hashsize; -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe); -+ if (*elem == *ip) -+ return -EEXIST; -+ if (!(slot || *elem)) -+ slot = elem; -+ /* There can be deleted entries, must check all slots */ -+ } -+ if (slot) { -+ *slot = *ip; -+ map->elements++; -+ return 0; -+ } -+ /* Trigger rehashing */ -+ return -EAGAIN; -+} -+ -+static inline int -+iphash_add(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iphash *map = set->data; -+ -+ if (!ip || map->elements >= limit) -+ return -ERANGE; -+ -+ *hash_ip = ip & map->netmask; -+ -+ return __iphash_add(map, hash_ip); -+} -+ -+UADT(iphash, add) -+KADT(iphash, add, ipaddr) -+ -+static inline void -+__iphash_retry(struct ip_set_iphash *tmp, struct ip_set_iphash *map) -+{ -+ tmp->netmask = map->netmask; -+} -+ -+HASH_RETRY(iphash, ip_set_ip_t) -+ -+static inline int -+iphash_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iphash *map = set->data; -+ ip_set_ip_t id, *elem; -+ -+ if (!ip) -+ return -ERANGE; -+ -+ id = iphash_id(set, hash_ip, ip); -+ if (id == UINT_MAX) -+ return -EEXIST; -+ -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ *elem = 0; -+ map->elements--; -+ -+ return 0; -+} -+ -+UADT(iphash, del) -+KADT(iphash, del, ipaddr) -+ -+static inline int -+__iphash_create(const struct ip_set_req_iphash_create *req, -+ struct ip_set_iphash *map) -+{ -+ map->netmask = req->netmask; -+ -+ return 0; -+} -+ -+HASH_CREATE(iphash, ip_set_ip_t) -+HASH_DESTROY(iphash) -+ -+HASH_FLUSH(iphash, ip_set_ip_t) -+ -+static inline void -+__iphash_list_header(const struct ip_set_iphash *map, -+ struct ip_set_req_iphash_create *header) -+{ -+ header->netmask = map->netmask; -+} -+ -+HASH_LIST_HEADER(iphash) -+HASH_LIST_MEMBERS_SIZE(iphash, ip_set_ip_t) -+HASH_LIST_MEMBERS(iphash, ip_set_ip_t) -+ -+IP_SET_RTYPE(iphash, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("iphash type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+REGISTER_MODULE(iphash) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_ipmap.c -@@ -0,0 +1,142 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an IP set type: the single bitmap type */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+ -+#include <linux/netfilter_ipv4/ip_set_ipmap.h> -+ -+static inline ip_set_ip_t -+ip_to_id(const struct ip_set_ipmap *map, ip_set_ip_t ip) -+{ -+ return (ip - map->first_ip)/map->hosts; -+} -+ -+static inline int -+ipmap_test(const struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ const struct ip_set_ipmap *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = ip & map->netmask; -+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ return !!test_bit(ip_to_id(map, *hash_ip), map->members); -+} -+ -+#define KADT_CONDITION -+ -+UADT(ipmap, test) -+KADT(ipmap, test, ipaddr) -+ -+static inline int -+ipmap_add(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_ipmap *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = ip & map->netmask; -+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ if (test_and_set_bit(ip_to_id(map, *hash_ip), map->members)) -+ return -EEXIST; -+ -+ return 0; -+} -+ -+UADT(ipmap, add) -+KADT(ipmap, add, ipaddr) -+ -+static inline int -+ipmap_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_ipmap *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = ip & map->netmask; -+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ if (!test_and_clear_bit(ip_to_id(map, *hash_ip), map->members)) -+ return -EEXIST; -+ -+ return 0; -+} -+ -+UADT(ipmap, del) -+KADT(ipmap, del, ipaddr) -+ -+static inline int -+__ipmap_create(const struct ip_set_req_ipmap_create *req, -+ struct ip_set_ipmap *map) -+{ -+ map->netmask = req->netmask; -+ -+ if (req->netmask == 0xFFFFFFFF) { -+ map->hosts = 1; -+ map->sizeid = map->last_ip - map->first_ip + 1; -+ } else { -+ unsigned int mask_bits, netmask_bits; -+ ip_set_ip_t mask; -+ -+ map->first_ip &= map->netmask; /* Should we better bark? */ -+ -+ mask = range_to_mask(map->first_ip, map->last_ip, &mask_bits); -+ netmask_bits = mask_to_bits(map->netmask); -+ -+ if ((!mask && (map->first_ip || map->last_ip != 0xFFFFFFFF)) -+ || netmask_bits <= mask_bits) -+ return -ENOEXEC; -+ -+ DP("mask_bits %u, netmask_bits %u", -+ mask_bits, netmask_bits); -+ map->hosts = 2 << (32 - netmask_bits - 1); -+ map->sizeid = 2 << (netmask_bits - mask_bits - 1); -+ } -+ if (map->sizeid > MAX_RANGE + 1) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ map->sizeid, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ DP("hosts %u, sizeid %u", map->hosts, map->sizeid); -+ return bitmap_bytes(0, map->sizeid - 1); -+} -+ -+BITMAP_CREATE(ipmap) -+BITMAP_DESTROY(ipmap) -+BITMAP_FLUSH(ipmap) -+ -+static inline void -+__ipmap_list_header(const struct ip_set_ipmap *map, -+ struct ip_set_req_ipmap_create *header) -+{ -+ header->netmask = map->netmask; -+} -+ -+BITMAP_LIST_HEADER(ipmap) -+BITMAP_LIST_MEMBERS_SIZE(ipmap) -+BITMAP_LIST_MEMBERS(ipmap) -+ -+IP_SET_TYPE(ipmap, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("ipmap type of IP sets"); -+ -+REGISTER_MODULE(ipmap) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_ipporthash.c -@@ -0,0 +1,203 @@ -+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an ip+port hash set */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/tcp.h> -+#include <linux/udp.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/random.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_ipporthash.h> -+#include <linux/netfilter_ipv4/ip_set_getport.h> -+ -+static int limit = MAX_RANGE; -+ -+static inline __u32 -+ipporthash_id(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port) -+{ -+ struct ip_set_ipporthash *map = set->data; -+ __u32 id; -+ u_int16_t i; -+ ip_set_ip_t *elem; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ -+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip)); -+ if (!*hash_ip) -+ return UINT_MAX; -+ -+ for (i = 0; i < map->probes; i++) { -+ id = jhash_ip(map, i, *hash_ip) % map->hashsize; -+ DP("hash key: %u", id); -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ if (*elem == *hash_ip) -+ return id; -+ /* No shortcut - there can be deleted entries. */ -+ } -+ return UINT_MAX; -+} -+ -+static inline int -+ipporthash_test(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port) -+{ -+ struct ip_set_ipporthash *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ return (ipporthash_id(set, hash_ip, ip, port) != UINT_MAX); -+} -+ -+#define KADT_CONDITION \ -+ ip_set_ip_t port; \ -+ \ -+ if (flags[index+1] == 0) \ -+ return 0; \ -+ \ -+ port = get_port(skb, flags[index+1]); \ -+ \ -+ if (port == INVALID_PORT) \ -+ return 0; -+ -+UADT(ipporthash, test, req->port) -+KADT(ipporthash, test, ipaddr, port) -+ -+static inline int -+__ipporthash_add(struct ip_set_ipporthash *map, ip_set_ip_t *ip) -+{ -+ __u32 probe; -+ u_int16_t i; -+ ip_set_ip_t *elem, *slot = NULL; -+ -+ for (i = 0; i < map->probes; i++) { -+ probe = jhash_ip(map, i, *ip) % map->hashsize; -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe); -+ if (*elem == *ip) -+ return -EEXIST; -+ if (!(slot || *elem)) -+ slot = elem; -+ /* There can be deleted entries, must check all slots */ -+ } -+ if (slot) { -+ *slot = *ip; -+ map->elements++; -+ return 0; -+ } -+ /* Trigger rehashing */ -+ return -EAGAIN; -+} -+ -+static inline int -+ipporthash_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port) -+{ -+ struct ip_set_ipporthash *map = set->data; -+ if (map->elements > limit) -+ return -ERANGE; -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ -+ if (!*hash_ip) -+ return -ERANGE; -+ -+ return __ipporthash_add(map, hash_ip); -+} -+ -+UADT(ipporthash, add, req->port) -+KADT(ipporthash, add, ipaddr, port) -+ -+static inline void -+__ipporthash_retry(struct ip_set_ipporthash *tmp, -+ struct ip_set_ipporthash *map) -+{ -+ tmp->first_ip = map->first_ip; -+ tmp->last_ip = map->last_ip; -+} -+ -+HASH_RETRY(ipporthash, ip_set_ip_t) -+ -+static inline int -+ipporthash_del(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port) -+{ -+ struct ip_set_ipporthash *map = set->data; -+ ip_set_ip_t id; -+ ip_set_ip_t *elem; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ id = ipporthash_id(set, hash_ip, ip, port); -+ -+ if (id == UINT_MAX) -+ return -EEXIST; -+ -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ *elem = 0; -+ map->elements--; -+ -+ return 0; -+} -+ -+UADT(ipporthash, del, req->port) -+KADT(ipporthash, del, ipaddr, port) -+ -+static inline int -+__ipporthash_create(const struct ip_set_req_ipporthash_create *req, -+ struct ip_set_ipporthash *map) -+{ -+ if (req->to - req->from > MAX_RANGE) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ req->to - req->from + 1, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ map->first_ip = req->from; -+ map->last_ip = req->to; -+ return 0; -+} -+ -+HASH_CREATE(ipporthash, ip_set_ip_t) -+HASH_DESTROY(ipporthash) -+HASH_FLUSH(ipporthash, ip_set_ip_t) -+ -+static inline void -+__ipporthash_list_header(const struct ip_set_ipporthash *map, -+ struct ip_set_req_ipporthash_create *header) -+{ -+ header->from = map->first_ip; -+ header->to = map->last_ip; -+} -+ -+HASH_LIST_HEADER(ipporthash) -+HASH_LIST_MEMBERS_SIZE(ipporthash, ip_set_ip_t) -+HASH_LIST_MEMBERS(ipporthash, ip_set_ip_t) -+ -+IP_SET_RTYPE(ipporthash, IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_DATA_DOUBLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("ipporthash type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+REGISTER_MODULE(ipporthash) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_ipportiphash.c -@@ -0,0 +1,216 @@ -+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an ip+port+ip hash set */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/tcp.h> -+#include <linux/udp.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/random.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_ipportiphash.h> -+#include <linux/netfilter_ipv4/ip_set_getport.h> -+ -+static int limit = MAX_RANGE; -+ -+#define jhash_ip2(map, i, ipport, ip1) \ -+ jhash_2words(ipport, ip1, *(map->initval + i)) -+ -+static inline __u32 -+ipportiphash_id(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportiphash *map = set->data; -+ __u32 id; -+ u_int16_t i; -+ struct ipportip *elem; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip)); -+ if (!(*hash_ip || ip1)) -+ return UINT_MAX; -+ -+ for (i = 0; i < map->probes; i++) { -+ id = jhash_ip2(map, i, *hash_ip, ip1) % map->hashsize; -+ DP("hash key: %u", id); -+ elem = HARRAY_ELEM(map->members, struct ipportip *, id); -+ if (elem->ip == *hash_ip && elem->ip1 == ip1) -+ return id; -+ /* No shortcut - there can be deleted entries. */ -+ } -+ return UINT_MAX; -+} -+ -+static inline int -+ipportiphash_test(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportiphash *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ return (ipportiphash_id(set, hash_ip, ip, port, ip1) != UINT_MAX); -+} -+ -+#define KADT_CONDITION \ -+ ip_set_ip_t port, ip1; \ -+ \ -+ if (flags[index+2] == 0) \ -+ return 0; \ -+ \ -+ port = get_port(skb, flags[index+1]); \ -+ ip1 = ipaddr(skb, flags[index+2]); \ -+ \ -+ if (port == INVALID_PORT) \ -+ return 0; -+ -+UADT(ipportiphash, test, req->port, req->ip1) -+KADT(ipportiphash, test, ipaddr, port, ip1) -+ -+static inline int -+__ipportip_add(struct ip_set_ipportiphash *map, -+ ip_set_ip_t hash_ip, ip_set_ip_t ip1) -+{ -+ __u32 probe; -+ u_int16_t i; -+ struct ipportip *elem, *slot = NULL; -+ -+ for (i = 0; i < map->probes; i++) { -+ probe = jhash_ip2(map, i, hash_ip, ip1) % map->hashsize; -+ elem = HARRAY_ELEM(map->members, struct ipportip *, probe); -+ if (elem->ip == hash_ip && elem->ip1 == ip1) -+ return -EEXIST; -+ if (!(slot || elem->ip || elem->ip1)) -+ slot = elem; -+ /* There can be deleted entries, must check all slots */ -+ } -+ if (slot) { -+ slot->ip = hash_ip; -+ slot->ip1 = ip1; -+ map->elements++; -+ return 0; -+ } -+ /* Trigger rehashing */ -+ return -EAGAIN; -+} -+ -+static inline int -+__ipportiphash_add(struct ip_set_ipportiphash *map, -+ struct ipportip *elem) -+{ -+ return __ipportip_add(map, elem->ip, elem->ip1); -+} -+ -+static inline int -+ipportiphash_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportiphash *map = set->data; -+ -+ if (map->elements > limit) -+ return -ERANGE; -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ if (!(*hash_ip || ip1)) -+ return -ERANGE; -+ -+ return __ipportip_add(map, *hash_ip, ip1); -+} -+ -+UADT(ipportiphash, add, req->port, req->ip1) -+KADT(ipportiphash, add, ipaddr, port, ip1) -+ -+static inline void -+__ipportiphash_retry(struct ip_set_ipportiphash *tmp, -+ struct ip_set_ipportiphash *map) -+{ -+ tmp->first_ip = map->first_ip; -+ tmp->last_ip = map->last_ip; -+} -+ -+HASH_RETRY2(ipportiphash, struct ipportip) -+ -+static inline int -+ipportiphash_del(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportiphash *map = set->data; -+ ip_set_ip_t id; -+ struct ipportip *elem; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ id = ipportiphash_id(set, hash_ip, ip, port, ip1); -+ -+ if (id == UINT_MAX) -+ return -EEXIST; -+ -+ elem = HARRAY_ELEM(map->members, struct ipportip *, id); -+ elem->ip = elem->ip1 = 0; -+ map->elements--; -+ -+ return 0; -+} -+ -+UADT(ipportiphash, del, req->port, req->ip1) -+KADT(ipportiphash, del, ipaddr, port, ip1) -+ -+static inline int -+__ipportiphash_create(const struct ip_set_req_ipportiphash_create *req, -+ struct ip_set_ipportiphash *map) -+{ -+ if (req->to - req->from > MAX_RANGE) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ req->to - req->from + 1, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ map->first_ip = req->from; -+ map->last_ip = req->to; -+ return 0; -+} -+ -+HASH_CREATE(ipportiphash, struct ipportip) -+HASH_DESTROY(ipportiphash) -+HASH_FLUSH(ipportiphash, struct ipportip) -+ -+static inline void -+__ipportiphash_list_header(const struct ip_set_ipportiphash *map, -+ struct ip_set_req_ipportiphash_create *header) -+{ -+ header->from = map->first_ip; -+ header->to = map->last_ip; -+} -+ -+HASH_LIST_HEADER(ipportiphash) -+HASH_LIST_MEMBERS_SIZE(ipportiphash, struct ipportip) -+HASH_LIST_MEMBERS_MEMCPY(ipportiphash, struct ipportip) -+ -+IP_SET_RTYPE(ipportiphash, IPSET_TYPE_IP | IPSET_TYPE_PORT -+ | IPSET_TYPE_IP1 | IPSET_DATA_TRIPLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("ipportiphash type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+REGISTER_MODULE(ipportiphash) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_ipportnethash.c -@@ -0,0 +1,304 @@ -+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an ip+port+net hash set */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/tcp.h> -+#include <linux/udp.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/random.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_ipportnethash.h> -+#include <linux/netfilter_ipv4/ip_set_getport.h> -+ -+static int limit = MAX_RANGE; -+ -+#define jhash_ip2(map, i, ipport, ip1) \ -+ jhash_2words(ipport, ip1, *(map->initval + i)) -+ -+static inline __u32 -+ipportnethash_id_cidr(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, -+ ip_set_ip_t ip1, uint8_t cidr) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ __u32 id; -+ u_int16_t i; -+ struct ipportip *elem; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip)); -+ ip1 = pack_ip_cidr(ip1, cidr); -+ if (!(*hash_ip || ip1)) -+ return UINT_MAX; -+ -+ for (i = 0; i < map->probes; i++) { -+ id = jhash_ip2(map, i, *hash_ip, ip1) % map->hashsize; -+ DP("hash key: %u", id); -+ elem = HARRAY_ELEM(map->members, struct ipportip *, id); -+ if (elem->ip == *hash_ip && elem->ip1 == ip1) -+ return id; -+ /* No shortcut - there can be deleted entries. */ -+ } -+ return UINT_MAX; -+} -+ -+static inline __u32 -+ipportnethash_id(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ __u32 id = UINT_MAX; -+ int i; -+ -+ for (i = 0; i < 30 && map->cidr[i]; i++) { -+ id = ipportnethash_id_cidr(set, hash_ip, ip, port, ip1, -+ map->cidr[i]); -+ if (id != UINT_MAX) -+ break; -+ } -+ return id; -+} -+ -+static inline int -+ipportnethash_test_cidr(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, -+ ip_set_ip_t ip1, uint8_t cidr) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ return (ipportnethash_id_cidr(set, hash_ip, ip, port, ip1, -+ cidr) != UINT_MAX); -+} -+ -+static inline int -+ipportnethash_test(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ return (ipportnethash_id(set, hash_ip, ip, port, ip1) != UINT_MAX); -+} -+ -+static int -+ipportnethash_utest(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ const struct ip_set_req_ipportnethash *req = data; -+ -+ if (req->cidr <= 0 || req->cidr > 32) -+ return -EINVAL; -+ return (req->cidr == 32 -+ ? ipportnethash_test(set, hash_ip, req->ip, req->port, -+ req->ip1) -+ : ipportnethash_test_cidr(set, hash_ip, req->ip, req->port, -+ req->ip1, req->cidr)); -+} -+ -+#define KADT_CONDITION \ -+ ip_set_ip_t port, ip1; \ -+ \ -+ if (flags[index+2] == 0) \ -+ return 0; \ -+ \ -+ port = get_port(skb, flags[index+1]); \ -+ ip1 = ipaddr(skb, flags[index+2]); \ -+ \ -+ if (port == INVALID_PORT) \ -+ return 0; -+ -+KADT(ipportnethash, test, ipaddr, port, ip1) -+ -+static inline int -+__ipportnet_add(struct ip_set_ipportnethash *map, -+ ip_set_ip_t hash_ip, ip_set_ip_t ip1) -+{ -+ __u32 probe; -+ u_int16_t i; -+ struct ipportip *elem, *slot = NULL; -+ -+ for (i = 0; i < map->probes; i++) { -+ probe = jhash_ip2(map, i, hash_ip, ip1) % map->hashsize; -+ elem = HARRAY_ELEM(map->members, struct ipportip *, probe); -+ if (elem->ip == hash_ip && elem->ip1 == ip1) -+ return -EEXIST; -+ if (!(slot || elem->ip || elem->ip1)) -+ slot = elem; -+ /* There can be deleted entries, must check all slots */ -+ } -+ if (slot) { -+ slot->ip = hash_ip; -+ slot->ip1 = ip1; -+ map->elements++; -+ return 0; -+ } -+ /* Trigger rehashing */ -+ return -EAGAIN; -+} -+ -+static inline int -+__ipportnethash_add(struct ip_set_ipportnethash *map, -+ struct ipportip *elem) -+{ -+ return __ipportnet_add(map, elem->ip, elem->ip1); -+} -+ -+static inline int -+ipportnethash_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, -+ ip_set_ip_t ip1, uint8_t cidr) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ struct ipportip; -+ int ret; -+ -+ if (map->elements > limit) -+ return -ERANGE; -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ if (cidr <= 0 || cidr >= 32) -+ return -EINVAL; -+ if (map->nets[cidr-1] == UINT16_MAX) -+ return -ERANGE; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ ip1 = pack_ip_cidr(ip1, cidr); -+ if (!(*hash_ip || ip1)) -+ return -ERANGE; -+ -+ ret =__ipportnet_add(map, *hash_ip, ip1); -+ if (ret == 0) { -+ if (!map->nets[cidr-1]++) -+ add_cidr_size(map->cidr, cidr); -+ map->elements++; -+ } -+ return ret; -+} -+ -+#undef KADT_CONDITION -+#define KADT_CONDITION \ -+ struct ip_set_ipportnethash *map = set->data; \ -+ uint8_t cidr = map->cidr[0] ? map->cidr[0] : 31; \ -+ ip_set_ip_t port, ip1; \ -+ \ -+ if (flags[index+2] == 0) \ -+ return 0; \ -+ \ -+ port = get_port(skb, flags[index+1]); \ -+ ip1 = ipaddr(skb, flags[index+2]); \ -+ \ -+ if (port == INVALID_PORT) \ -+ return 0; -+ -+UADT(ipportnethash, add, req->port, req->ip1, req->cidr) -+KADT(ipportnethash, add, ipaddr, port, ip1, cidr) -+ -+static inline void -+__ipportnethash_retry(struct ip_set_ipportnethash *tmp, -+ struct ip_set_ipportnethash *map) -+{ -+ tmp->first_ip = map->first_ip; -+ tmp->last_ip = map->last_ip; -+ memcpy(tmp->cidr, map->cidr, sizeof(tmp->cidr)); -+ memcpy(tmp->nets, map->nets, sizeof(tmp->nets)); -+} -+ -+HASH_RETRY2(ipportnethash, struct ipportip) -+ -+static inline int -+ipportnethash_del(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, -+ ip_set_ip_t ip1, uint8_t cidr) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ ip_set_ip_t id; -+ struct ipportip *elem; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ if (!ip) -+ return -ERANGE; -+ if (cidr <= 0 || cidr >= 32) -+ return -EINVAL; -+ -+ id = ipportnethash_id_cidr(set, hash_ip, ip, port, ip1, cidr); -+ -+ if (id == UINT_MAX) -+ return -EEXIST; -+ -+ elem = HARRAY_ELEM(map->members, struct ipportip *, id); -+ elem->ip = elem->ip1 = 0; -+ map->elements--; -+ if (!map->nets[cidr-1]--) -+ del_cidr_size(map->cidr, cidr); -+ -+ return 0; -+} -+ -+UADT(ipportnethash, del, req->port, req->ip1, req->cidr) -+KADT(ipportnethash, del, ipaddr, port, ip1, cidr) -+ -+static inline int -+__ipportnethash_create(const struct ip_set_req_ipportnethash_create *req, -+ struct ip_set_ipportnethash *map) -+{ -+ if (req->to - req->from > MAX_RANGE) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ req->to - req->from + 1, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ map->first_ip = req->from; -+ map->last_ip = req->to; -+ memset(map->cidr, 0, sizeof(map->cidr)); -+ memset(map->nets, 0, sizeof(map->nets)); -+ return 0; -+} -+ -+HASH_CREATE(ipportnethash, struct ipportip) -+HASH_DESTROY(ipportnethash) -+HASH_FLUSH_CIDR(ipportnethash, struct ipportip); -+ -+static inline void -+__ipportnethash_list_header(const struct ip_set_ipportnethash *map, -+ struct ip_set_req_ipportnethash_create *header) -+{ -+ header->from = map->first_ip; -+ header->to = map->last_ip; -+} -+ -+HASH_LIST_HEADER(ipportnethash) -+ -+HASH_LIST_MEMBERS_SIZE(ipportnethash, struct ipportip) -+HASH_LIST_MEMBERS_MEMCPY(ipportnethash, struct ipportip) -+ -+IP_SET_RTYPE(ipportnethash, IPSET_TYPE_IP | IPSET_TYPE_PORT -+ | IPSET_TYPE_IP1 | IPSET_DATA_TRIPLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("ipportnethash type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+REGISTER_MODULE(ipportnethash) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_iptree.c -@@ -0,0 +1,466 @@ -+/* Copyright (C) 2005-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an IP set type: the iptree type */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/slab.h> -+#include <linux/delay.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/timer.h> -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+#include <linux/netfilter_ipv4/ip_set_iptree.h> -+ -+static int limit = MAX_RANGE; -+ -+/* Garbage collection interval in seconds: */ -+#define IPTREE_GC_TIME 5*60 -+/* Sleep so many milliseconds before trying again -+ * to delete the gc timer at destroying/flushing a set */ -+#define IPTREE_DESTROY_SLEEP 100 -+ -+static __KMEM_CACHE_T__ *branch_cachep; -+static __KMEM_CACHE_T__ *leaf_cachep; -+ -+ -+#if defined(__LITTLE_ENDIAN) -+#define ABCD(a,b,c,d,addrp) do { \ -+ a = ((unsigned char *)addrp)[3]; \ -+ b = ((unsigned char *)addrp)[2]; \ -+ c = ((unsigned char *)addrp)[1]; \ -+ d = ((unsigned char *)addrp)[0]; \ -+} while (0) -+#elif defined(__BIG_ENDIAN) -+#define ABCD(a,b,c,d,addrp) do { \ -+ a = ((unsigned char *)addrp)[0]; \ -+ b = ((unsigned char *)addrp)[1]; \ -+ c = ((unsigned char *)addrp)[2]; \ -+ d = ((unsigned char *)addrp)[3]; \ -+} while (0) -+#else -+#error "Please fix asm/byteorder.h" -+#endif /* __LITTLE_ENDIAN */ -+ -+#define TESTIP_WALK(map, elem, branch) do { \ -+ if ((map)->tree[elem]) { \ -+ branch = (map)->tree[elem]; \ -+ } else \ -+ return 0; \ -+} while (0) -+ -+static inline int -+iptree_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned char a,b,c,d; -+ -+ if (!ip) -+ return -ERANGE; -+ -+ *hash_ip = ip; -+ ABCD(a, b, c, d, hash_ip); -+ DP("%u %u %u %u timeout %u", a, b, c, d, map->timeout); -+ TESTIP_WALK(map, a, btree); -+ TESTIP_WALK(btree, b, ctree); -+ TESTIP_WALK(ctree, c, dtree); -+ DP("%lu %lu", dtree->expires[d], jiffies); -+ return dtree->expires[d] -+ && (!map->timeout -+ || time_after(dtree->expires[d], jiffies)); -+} -+ -+#define KADT_CONDITION -+ -+UADT(iptree, test) -+KADT(iptree, test, ipaddr) -+ -+#define ADDIP_WALK(map, elem, branch, type, cachep) do { \ -+ if ((map)->tree[elem]) { \ -+ DP("found %u", elem); \ -+ branch = (map)->tree[elem]; \ -+ } else { \ -+ branch = (type *) \ -+ kmem_cache_alloc(cachep, GFP_ATOMIC); \ -+ if (branch == NULL) \ -+ return -ENOMEM; \ -+ memset(branch, 0, sizeof(*branch)); \ -+ (map)->tree[elem] = branch; \ -+ DP("alloc %u", elem); \ -+ } \ -+} while (0) -+ -+static inline int -+iptree_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, unsigned int timeout) -+{ -+ struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned char a,b,c,d; -+ int ret = 0; -+ -+ if (!ip || map->elements >= limit) -+ /* We could call the garbage collector -+ * but it's probably overkill */ -+ return -ERANGE; -+ -+ *hash_ip = ip; -+ ABCD(a, b, c, d, hash_ip); -+ DP("%u %u %u %u timeout %u", a, b, c, d, timeout); -+ ADDIP_WALK(map, a, btree, struct ip_set_iptreeb, branch_cachep); -+ ADDIP_WALK(btree, b, ctree, struct ip_set_iptreec, branch_cachep); -+ ADDIP_WALK(ctree, c, dtree, struct ip_set_iptreed, leaf_cachep); -+ if (dtree->expires[d] -+ && (!map->timeout || time_after(dtree->expires[d], jiffies))) -+ ret = -EEXIST; -+ if (map->timeout && timeout == 0) -+ timeout = map->timeout; -+ dtree->expires[d] = map->timeout ? (timeout * HZ + jiffies) : 1; -+ /* Lottery: I won! */ -+ if (dtree->expires[d] == 0) -+ dtree->expires[d] = 1; -+ DP("%u %lu", d, dtree->expires[d]); -+ if (ret == 0) -+ map->elements++; -+ return ret; -+} -+ -+UADT(iptree, add, req->timeout) -+KADT(iptree, add, ipaddr, 0) -+ -+#define DELIP_WALK(map, elem, branch) do { \ -+ if ((map)->tree[elem]) { \ -+ branch = (map)->tree[elem]; \ -+ } else \ -+ return -EEXIST; \ -+} while (0) -+ -+static inline int -+iptree_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned char a,b,c,d; -+ -+ if (!ip) -+ return -ERANGE; -+ -+ *hash_ip = ip; -+ ABCD(a, b, c, d, hash_ip); -+ DELIP_WALK(map, a, btree); -+ DELIP_WALK(btree, b, ctree); -+ DELIP_WALK(ctree, c, dtree); -+ -+ if (dtree->expires[d]) { -+ dtree->expires[d] = 0; -+ map->elements--; -+ return 0; -+ } -+ return -EEXIST; -+} -+ -+UADT(iptree, del) -+KADT(iptree, del, ipaddr) -+ -+#define LOOP_WALK_BEGIN(map, i, branch) \ -+ for (i = 0; i < 256; i++) { \ -+ if (!(map)->tree[i]) \ -+ continue; \ -+ branch = (map)->tree[i] -+ -+#define LOOP_WALK_END } -+ -+static void -+ip_tree_gc(unsigned long ul_set) -+{ -+ struct ip_set *set = (struct ip_set *) ul_set; -+ struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned int a,b,c,d; -+ unsigned char i,j,k; -+ -+ i = j = k = 0; -+ DP("gc: %s", set->name); -+ write_lock_bh(&set->lock); -+ LOOP_WALK_BEGIN(map, a, btree); -+ LOOP_WALK_BEGIN(btree, b, ctree); -+ LOOP_WALK_BEGIN(ctree, c, dtree); -+ for (d = 0; d < 256; d++) { -+ if (dtree->expires[d]) { -+ DP("gc: %u %u %u %u: expires %lu jiffies %lu", -+ a, b, c, d, -+ dtree->expires[d], jiffies); -+ if (map->timeout -+ && time_before(dtree->expires[d], jiffies)) { -+ dtree->expires[d] = 0; -+ map->elements--; -+ } else -+ k = 1; -+ } -+ } -+ if (k == 0) { -+ DP("gc: %s: leaf %u %u %u empty", -+ set->name, a, b, c); -+ kmem_cache_free(leaf_cachep, dtree); -+ ctree->tree[c] = NULL; -+ } else { -+ DP("gc: %s: leaf %u %u %u not empty", -+ set->name, a, b, c); -+ j = 1; -+ k = 0; -+ } -+ LOOP_WALK_END; -+ if (j == 0) { -+ DP("gc: %s: branch %u %u empty", -+ set->name, a, b); -+ kmem_cache_free(branch_cachep, ctree); -+ btree->tree[b] = NULL; -+ } else { -+ DP("gc: %s: branch %u %u not empty", -+ set->name, a, b); -+ i = 1; -+ j = k = 0; -+ } -+ LOOP_WALK_END; -+ if (i == 0) { -+ DP("gc: %s: branch %u empty", -+ set->name, a); -+ kmem_cache_free(branch_cachep, btree); -+ map->tree[a] = NULL; -+ } else { -+ DP("gc: %s: branch %u not empty", -+ set->name, a); -+ i = j = k = 0; -+ } -+ LOOP_WALK_END; -+ write_unlock_bh(&set->lock); -+ -+ map->gc.expires = jiffies + map->gc_interval * HZ; -+ add_timer(&map->gc); -+} -+ -+static inline void -+init_gc_timer(struct ip_set *set) -+{ -+ struct ip_set_iptree *map = set->data; -+ -+ /* Even if there is no timeout for the entries, -+ * we still have to call gc because delete -+ * do not clean up empty branches */ -+ map->gc_interval = IPTREE_GC_TIME; -+ init_timer(&map->gc); -+ map->gc.data = (unsigned long) set; -+ map->gc.function = ip_tree_gc; -+ map->gc.expires = jiffies + map->gc_interval * HZ; -+ add_timer(&map->gc); -+} -+ -+static int -+iptree_create(struct ip_set *set, const void *data, u_int32_t size) -+{ -+ const struct ip_set_req_iptree_create *req = data; -+ struct ip_set_iptree *map; -+ -+ if (size != sizeof(struct ip_set_req_iptree_create)) { -+ ip_set_printk("data length wrong (want %zu, have %lu)", -+ sizeof(struct ip_set_req_iptree_create), -+ (unsigned long)size); -+ return -EINVAL; -+ } -+ -+ map = kmalloc(sizeof(struct ip_set_iptree), GFP_KERNEL); -+ if (!map) { -+ DP("out of memory for %zu bytes", -+ sizeof(struct ip_set_iptree)); -+ return -ENOMEM; -+ } -+ memset(map, 0, sizeof(*map)); -+ map->timeout = req->timeout; -+ map->elements = 0; -+ set->data = map; -+ -+ init_gc_timer(set); -+ -+ return 0; -+} -+ -+static inline void -+__flush(struct ip_set_iptree *map) -+{ -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned int a,b,c; -+ -+ LOOP_WALK_BEGIN(map, a, btree); -+ LOOP_WALK_BEGIN(btree, b, ctree); -+ LOOP_WALK_BEGIN(ctree, c, dtree); -+ kmem_cache_free(leaf_cachep, dtree); -+ LOOP_WALK_END; -+ kmem_cache_free(branch_cachep, ctree); -+ LOOP_WALK_END; -+ kmem_cache_free(branch_cachep, btree); -+ LOOP_WALK_END; -+ map->elements = 0; -+} -+ -+static void -+iptree_destroy(struct ip_set *set) -+{ -+ struct ip_set_iptree *map = set->data; -+ -+ /* gc might be running */ -+ while (!del_timer(&map->gc)) -+ msleep(IPTREE_DESTROY_SLEEP); -+ __flush(map); -+ kfree(map); -+ set->data = NULL; -+} -+ -+static void -+iptree_flush(struct ip_set *set) -+{ -+ struct ip_set_iptree *map = set->data; -+ unsigned int timeout = map->timeout; -+ -+ /* gc might be running */ -+ while (!del_timer(&map->gc)) -+ msleep(IPTREE_DESTROY_SLEEP); -+ __flush(map); -+ memset(map, 0, sizeof(*map)); -+ map->timeout = timeout; -+ -+ init_gc_timer(set); -+} -+ -+static void -+iptree_list_header(const struct ip_set *set, void *data) -+{ -+ const struct ip_set_iptree *map = set->data; -+ struct ip_set_req_iptree_create *header = data; -+ -+ header->timeout = map->timeout; -+} -+ -+static int -+iptree_list_members_size(const struct ip_set *set) -+{ -+ const struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned int a,b,c,d; -+ unsigned int count = 0; -+ -+ LOOP_WALK_BEGIN(map, a, btree); -+ LOOP_WALK_BEGIN(btree, b, ctree); -+ LOOP_WALK_BEGIN(ctree, c, dtree); -+ for (d = 0; d < 256; d++) { -+ if (dtree->expires[d] -+ && (!map->timeout || time_after(dtree->expires[d], jiffies))) -+ count++; -+ } -+ LOOP_WALK_END; -+ LOOP_WALK_END; -+ LOOP_WALK_END; -+ -+ DP("members %u", count); -+ return (count * sizeof(struct ip_set_req_iptree)); -+} -+ -+static void -+iptree_list_members(const struct ip_set *set, void *data) -+{ -+ const struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned int a,b,c,d; -+ size_t offset = 0; -+ struct ip_set_req_iptree *entry; -+ -+ LOOP_WALK_BEGIN(map, a, btree); -+ LOOP_WALK_BEGIN(btree, b, ctree); -+ LOOP_WALK_BEGIN(ctree, c, dtree); -+ for (d = 0; d < 256; d++) { -+ if (dtree->expires[d] -+ && (!map->timeout || time_after(dtree->expires[d], jiffies))) { -+ entry = data + offset; -+ entry->ip = ((a << 24) | (b << 16) | (c << 8) | d); -+ entry->timeout = !map->timeout ? 0 -+ : (dtree->expires[d] - jiffies)/HZ; -+ offset += sizeof(struct ip_set_req_iptree); -+ } -+ } -+ LOOP_WALK_END; -+ LOOP_WALK_END; -+ LOOP_WALK_END; -+} -+ -+IP_SET_TYPE(iptree, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("iptree type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+static int __init ip_set_iptree_init(void) -+{ -+ int ret; -+ -+ branch_cachep = KMEM_CACHE_CREATE("ip_set_iptreeb", -+ sizeof(struct ip_set_iptreeb)); -+ if (!branch_cachep) { -+ printk(KERN_ERR "Unable to create ip_set_iptreeb slab cache\n"); -+ ret = -ENOMEM; -+ goto out; -+ } -+ leaf_cachep = KMEM_CACHE_CREATE("ip_set_iptreed", -+ sizeof(struct ip_set_iptreed)); -+ if (!leaf_cachep) { -+ printk(KERN_ERR "Unable to create ip_set_iptreed slab cache\n"); -+ ret = -ENOMEM; -+ goto free_branch; -+ } -+ ret = ip_set_register_set_type(&ip_set_iptree); -+ if (ret == 0) -+ goto out; -+ -+ kmem_cache_destroy(leaf_cachep); -+ free_branch: -+ kmem_cache_destroy(branch_cachep); -+ out: -+ return ret; -+} -+ -+static void __exit ip_set_iptree_fini(void) -+{ -+ /* FIXME: possible race with ip_set_create() */ -+ ip_set_unregister_set_type(&ip_set_iptree); -+ kmem_cache_destroy(leaf_cachep); -+ kmem_cache_destroy(branch_cachep); -+} -+ -+module_init(ip_set_iptree_init); -+module_exit(ip_set_iptree_fini); ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_iptreemap.c -@@ -0,0 +1,708 @@ -+/* Copyright (C) 2007 Sven Wegener <sven.wegener@stealer.net> -+ * -+ * This program is free software; you can redistribute it and/or modify it -+ * under the terms of the GNU General Public License version 2 as published by -+ * the Free Software Foundation. -+ */ -+ -+/* This modules implements the iptreemap ipset type. It uses bitmaps to -+ * represent every single IPv4 address as a bit. The bitmaps are managed in a -+ * tree structure, where the first three octets of an address are used as an -+ * index to find the bitmap and the last octet is used as the bit number. -+ */ -+ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/slab.h> -+#include <linux/delay.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/timer.h> -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+#include <linux/netfilter_ipv4/ip_set_iptreemap.h> -+ -+#define IPTREEMAP_DEFAULT_GC_TIME (5 * 60) -+#define IPTREEMAP_DESTROY_SLEEP (100) -+ -+static __KMEM_CACHE_T__ *cachep_b; -+static __KMEM_CACHE_T__ *cachep_c; -+static __KMEM_CACHE_T__ *cachep_d; -+ -+static struct ip_set_iptreemap_d *fullbitmap_d; -+static struct ip_set_iptreemap_c *fullbitmap_c; -+static struct ip_set_iptreemap_b *fullbitmap_b; -+ -+#if defined(__LITTLE_ENDIAN) -+#define ABCD(a, b, c, d, addr) \ -+ do { \ -+ a = ((unsigned char *)addr)[3]; \ -+ b = ((unsigned char *)addr)[2]; \ -+ c = ((unsigned char *)addr)[1]; \ -+ d = ((unsigned char *)addr)[0]; \ -+ } while (0) -+#elif defined(__BIG_ENDIAN) -+#define ABCD(a,b,c,d,addrp) do { \ -+ a = ((unsigned char *)addrp)[0]; \ -+ b = ((unsigned char *)addrp)[1]; \ -+ c = ((unsigned char *)addrp)[2]; \ -+ d = ((unsigned char *)addrp)[3]; \ -+} while (0) -+#else -+#error "Please fix asm/byteorder.h" -+#endif /* __LITTLE_ENDIAN */ -+ -+#define TESTIP_WALK(map, elem, branch, full) \ -+ do { \ -+ branch = (map)->tree[elem]; \ -+ if (!branch) \ -+ return 0; \ -+ else if (branch == full) \ -+ return 1; \ -+ } while (0) -+ -+#define ADDIP_WALK(map, elem, branch, type, cachep, full) \ -+ do { \ -+ branch = (map)->tree[elem]; \ -+ if (!branch) { \ -+ branch = (type *) kmem_cache_alloc(cachep, GFP_ATOMIC); \ -+ if (!branch) \ -+ return -ENOMEM; \ -+ memset(branch, 0, sizeof(*branch)); \ -+ (map)->tree[elem] = branch; \ -+ } else if (branch == full) { \ -+ return -EEXIST; \ -+ } \ -+ } while (0) -+ -+#define ADDIP_RANGE_LOOP(map, a, a1, a2, hint, branch, full, cachep, free) \ -+ for (a = a1; a <= a2; a++) { \ -+ branch = (map)->tree[a]; \ -+ if (branch != full) { \ -+ if ((a > a1 && a < a2) || (hint)) { \ -+ if (branch) \ -+ free(branch); \ -+ (map)->tree[a] = full; \ -+ continue; \ -+ } else if (!branch) { \ -+ branch = kmem_cache_alloc(cachep, GFP_ATOMIC); \ -+ if (!branch) \ -+ return -ENOMEM; \ -+ memset(branch, 0, sizeof(*branch)); \ -+ (map)->tree[a] = branch; \ -+ } -+ -+#define ADDIP_RANGE_LOOP_END() \ -+ } \ -+ } -+ -+#define DELIP_WALK(map, elem, branch, cachep, full, flags) \ -+ do { \ -+ branch = (map)->tree[elem]; \ -+ if (!branch) { \ -+ return -EEXIST; \ -+ } else if (branch == full) { \ -+ branch = kmem_cache_alloc(cachep, flags); \ -+ if (!branch) \ -+ return -ENOMEM; \ -+ memcpy(branch, full, sizeof(*full)); \ -+ (map)->tree[elem] = branch; \ -+ } \ -+ } while (0) -+ -+#define DELIP_RANGE_LOOP(map, a, a1, a2, hint, branch, full, cachep, free, flags) \ -+ for (a = a1; a <= a2; a++) { \ -+ branch = (map)->tree[a]; \ -+ if (branch) { \ -+ if ((a > a1 && a < a2) || (hint)) { \ -+ if (branch != full) \ -+ free(branch); \ -+ (map)->tree[a] = NULL; \ -+ continue; \ -+ } else if (branch == full) { \ -+ branch = kmem_cache_alloc(cachep, flags); \ -+ if (!branch) \ -+ return -ENOMEM; \ -+ memcpy(branch, full, sizeof(*branch)); \ -+ (map)->tree[a] = branch; \ -+ } -+ -+#define DELIP_RANGE_LOOP_END() \ -+ } \ -+ } -+ -+#define LOOP_WALK_BEGIN(map, i, branch) \ -+ for (i = 0; i < 256; i++) { \ -+ branch = (map)->tree[i]; \ -+ if (likely(!branch)) \ -+ continue; -+ -+#define LOOP_WALK_END() \ -+ } -+ -+#define LOOP_WALK_BEGIN_GC(map, i, branch, full, cachep, count) \ -+ count = -256; \ -+ for (i = 0; i < 256; i++) { \ -+ branch = (map)->tree[i]; \ -+ if (likely(!branch)) \ -+ continue; \ -+ count++; \ -+ if (branch == full) { \ -+ count++; \ -+ continue; \ -+ } -+ -+#define LOOP_WALK_END_GC(map, i, branch, full, cachep, count) \ -+ if (-256 == count) { \ -+ kmem_cache_free(cachep, branch); \ -+ (map)->tree[i] = NULL; \ -+ } else if (256 == count) { \ -+ kmem_cache_free(cachep, branch); \ -+ (map)->tree[i] = full; \ -+ } \ -+ } -+ -+#define LOOP_WALK_BEGIN_COUNT(map, i, branch, inrange, count) \ -+ for (i = 0; i < 256; i++) { \ -+ if (!(map)->tree[i]) { \ -+ if (inrange) { \ -+ count++; \ -+ inrange = 0; \ -+ } \ -+ continue; \ -+ } \ -+ branch = (map)->tree[i]; -+ -+#define LOOP_WALK_END_COUNT() \ -+ } -+ -+#define GETVALUE1(a, a1, b1, r) \ -+ (a == a1 ? b1 : r) -+ -+#define GETVALUE2(a, b, a1, b1, c1, r) \ -+ (a == a1 && b == b1 ? c1 : r) -+ -+#define GETVALUE3(a, b, c, a1, b1, c1, d1, r) \ -+ (a == a1 && b == b1 && c == c1 ? d1 : r) -+ -+#define CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2) \ -+ ( \ -+ GETVALUE1(a, a1, b1, 0) == 0 \ -+ && GETVALUE1(a, a2, b2, 255) == 255 \ -+ && c1 == 0 \ -+ && c2 == 255 \ -+ && d1 == 0 \ -+ && d2 == 255 \ -+ ) -+ -+#define CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2) \ -+ ( \ -+ GETVALUE2(a, b, a1, b1, c1, 0) == 0 \ -+ && GETVALUE2(a, b, a2, b2, c2, 255) == 255 \ -+ && d1 == 0 \ -+ && d2 == 255 \ -+ ) -+ -+#define CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2) \ -+ ( \ -+ GETVALUE3(a, b, c, a1, b1, c1, d1, 0) == 0 \ -+ && GETVALUE3(a, b, c, a2, b2, c2, d2, 255) == 255 \ -+ ) -+ -+ -+static inline void -+free_d(struct ip_set_iptreemap_d *map) -+{ -+ kmem_cache_free(cachep_d, map); -+} -+ -+static inline void -+free_c(struct ip_set_iptreemap_c *map) -+{ -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int i; -+ -+ LOOP_WALK_BEGIN(map, i, dtree) { -+ if (dtree != fullbitmap_d) -+ free_d(dtree); -+ } LOOP_WALK_END(); -+ -+ kmem_cache_free(cachep_c, map); -+} -+ -+static inline void -+free_b(struct ip_set_iptreemap_b *map) -+{ -+ struct ip_set_iptreemap_c *ctree; -+ unsigned int i; -+ -+ LOOP_WALK_BEGIN(map, i, ctree) { -+ if (ctree != fullbitmap_c) -+ free_c(ctree); -+ } LOOP_WALK_END(); -+ -+ kmem_cache_free(cachep_b, map); -+} -+ -+static inline int -+iptreemap_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned char a, b, c, d; -+ -+ *hash_ip = ip; -+ -+ ABCD(a, b, c, d, hash_ip); -+ -+ TESTIP_WALK(map, a, btree, fullbitmap_b); -+ TESTIP_WALK(btree, b, ctree, fullbitmap_c); -+ TESTIP_WALK(ctree, c, dtree, fullbitmap_d); -+ -+ return !!test_bit(d, (void *) dtree->bitmap); -+} -+ -+#define KADT_CONDITION -+ -+UADT(iptreemap, test) -+KADT(iptreemap, test, ipaddr) -+ -+static inline int -+__addip_single(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iptreemap *map = (struct ip_set_iptreemap *) set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned char a, b, c, d; -+ -+ *hash_ip = ip; -+ -+ ABCD(a, b, c, d, hash_ip); -+ -+ ADDIP_WALK(map, a, btree, struct ip_set_iptreemap_b, cachep_b, fullbitmap_b); -+ ADDIP_WALK(btree, b, ctree, struct ip_set_iptreemap_c, cachep_c, fullbitmap_c); -+ ADDIP_WALK(ctree, c, dtree, struct ip_set_iptreemap_d, cachep_d, fullbitmap_d); -+ -+ if (__test_and_set_bit(d, (void *) dtree->bitmap)) -+ return -EEXIST; -+ -+ __set_bit(b, (void *) btree->dirty); -+ -+ return 0; -+} -+ -+static inline int -+iptreemap_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t start, ip_set_ip_t end) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int a, b, c, d; -+ unsigned char a1, b1, c1, d1; -+ unsigned char a2, b2, c2, d2; -+ -+ if (start == end) -+ return __addip_single(set, hash_ip, start); -+ -+ *hash_ip = start; -+ -+ ABCD(a1, b1, c1, d1, &start); -+ ABCD(a2, b2, c2, d2, &end); -+ -+ /* This is sooo ugly... */ -+ ADDIP_RANGE_LOOP(map, a, a1, a2, CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2), btree, fullbitmap_b, cachep_b, free_b) { -+ ADDIP_RANGE_LOOP(btree, b, GETVALUE1(a, a1, b1, 0), GETVALUE1(a, a2, b2, 255), CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2), ctree, fullbitmap_c, cachep_c, free_c) { -+ ADDIP_RANGE_LOOP(ctree, c, GETVALUE2(a, b, a1, b1, c1, 0), GETVALUE2(a, b, a2, b2, c2, 255), CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2), dtree, fullbitmap_d, cachep_d, free_d) { -+ for (d = GETVALUE3(a, b, c, a1, b1, c1, d1, 0); d <= GETVALUE3(a, b, c, a2, b2, c2, d2, 255); d++) -+ __set_bit(d, (void *) dtree->bitmap); -+ __set_bit(b, (void *) btree->dirty); -+ } ADDIP_RANGE_LOOP_END(); -+ } ADDIP_RANGE_LOOP_END(); -+ } ADDIP_RANGE_LOOP_END(); -+ -+ return 0; -+} -+ -+UADT0(iptreemap, add, min(req->ip, req->end), max(req->ip, req->end)) -+KADT(iptreemap, add, ipaddr, ip) -+ -+static inline int -+__delip_single(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, gfp_t flags) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned char a,b,c,d; -+ -+ *hash_ip = ip; -+ -+ ABCD(a, b, c, d, hash_ip); -+ -+ DELIP_WALK(map, a, btree, cachep_b, fullbitmap_b, flags); -+ DELIP_WALK(btree, b, ctree, cachep_c, fullbitmap_c, flags); -+ DELIP_WALK(ctree, c, dtree, cachep_d, fullbitmap_d, flags); -+ -+ if (!__test_and_clear_bit(d, (void *) dtree->bitmap)) -+ return -EEXIST; -+ -+ __set_bit(b, (void *) btree->dirty); -+ -+ return 0; -+} -+ -+static inline int -+iptreemap_del(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t start, ip_set_ip_t end, gfp_t flags) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int a, b, c, d; -+ unsigned char a1, b1, c1, d1; -+ unsigned char a2, b2, c2, d2; -+ -+ if (start == end) -+ return __delip_single(set, hash_ip, start, flags); -+ -+ *hash_ip = start; -+ -+ ABCD(a1, b1, c1, d1, &start); -+ ABCD(a2, b2, c2, d2, &end); -+ -+ /* This is sooo ugly... */ -+ DELIP_RANGE_LOOP(map, a, a1, a2, CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2), btree, fullbitmap_b, cachep_b, free_b, flags) { -+ DELIP_RANGE_LOOP(btree, b, GETVALUE1(a, a1, b1, 0), GETVALUE1(a, a2, b2, 255), CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2), ctree, fullbitmap_c, cachep_c, free_c, flags) { -+ DELIP_RANGE_LOOP(ctree, c, GETVALUE2(a, b, a1, b1, c1, 0), GETVALUE2(a, b, a2, b2, c2, 255), CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2), dtree, fullbitmap_d, cachep_d, free_d, flags) { -+ for (d = GETVALUE3(a, b, c, a1, b1, c1, d1, 0); d <= GETVALUE3(a, b, c, a2, b2, c2, d2, 255); d++) -+ __clear_bit(d, (void *) dtree->bitmap); -+ __set_bit(b, (void *) btree->dirty); -+ } DELIP_RANGE_LOOP_END(); -+ } DELIP_RANGE_LOOP_END(); -+ } DELIP_RANGE_LOOP_END(); -+ -+ return 0; -+} -+ -+UADT0(iptreemap, del, min(req->ip, req->end), max(req->ip, req->end), GFP_KERNEL) -+KADT(iptreemap, del, ipaddr, ip, GFP_ATOMIC) -+ -+/* Check the status of the bitmap -+ * -1 == all bits cleared -+ * 1 == all bits set -+ * 0 == anything else -+ */ -+static inline int -+bitmap_status(struct ip_set_iptreemap_d *dtree) -+{ -+ unsigned char first = dtree->bitmap[0]; -+ int a; -+ -+ for (a = 1; a < 32; a++) -+ if (dtree->bitmap[a] != first) -+ return 0; -+ -+ return (first == 0 ? -1 : (first == 255 ? 1 : 0)); -+} -+ -+static void -+gc(unsigned long addr) -+{ -+ struct ip_set *set = (struct ip_set *) addr; -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int a, b, c; -+ int i, j, k; -+ -+ write_lock_bh(&set->lock); -+ -+ LOOP_WALK_BEGIN_GC(map, a, btree, fullbitmap_b, cachep_b, i) { -+ LOOP_WALK_BEGIN_GC(btree, b, ctree, fullbitmap_c, cachep_c, j) { -+ if (!__test_and_clear_bit(b, (void *) btree->dirty)) -+ continue; -+ LOOP_WALK_BEGIN_GC(ctree, c, dtree, fullbitmap_d, cachep_d, k) { -+ switch (bitmap_status(dtree)) { -+ case -1: -+ kmem_cache_free(cachep_d, dtree); -+ ctree->tree[c] = NULL; -+ k--; -+ break; -+ case 1: -+ kmem_cache_free(cachep_d, dtree); -+ ctree->tree[c] = fullbitmap_d; -+ k++; -+ break; -+ } -+ } LOOP_WALK_END(); -+ } LOOP_WALK_END_GC(btree, b, ctree, fullbitmap_c, cachep_c, k); -+ } LOOP_WALK_END_GC(map, a, btree, fullbitmap_b, cachep_b, j); -+ -+ write_unlock_bh(&set->lock); -+ -+ map->gc.expires = jiffies + map->gc_interval * HZ; -+ add_timer(&map->gc); -+} -+ -+static inline void -+init_gc_timer(struct ip_set *set) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ -+ init_timer(&map->gc); -+ map->gc.data = (unsigned long) set; -+ map->gc.function = gc; -+ map->gc.expires = jiffies + map->gc_interval * HZ; -+ add_timer(&map->gc); -+} -+ -+static int -+iptreemap_create(struct ip_set *set, const void *data, u_int32_t size) -+{ -+ const struct ip_set_req_iptreemap_create *req = data; -+ struct ip_set_iptreemap *map; -+ -+ map = kzalloc(sizeof(*map), GFP_KERNEL); -+ if (!map) -+ return -ENOMEM; -+ -+ map->gc_interval = req->gc_interval ? req->gc_interval : IPTREEMAP_DEFAULT_GC_TIME; -+ set->data = map; -+ -+ init_gc_timer(set); -+ -+ return 0; -+} -+ -+static inline void -+__flush(struct ip_set_iptreemap *map) -+{ -+ struct ip_set_iptreemap_b *btree; -+ unsigned int a; -+ -+ LOOP_WALK_BEGIN(map, a, btree); -+ if (btree != fullbitmap_b) -+ free_b(btree); -+ LOOP_WALK_END(); -+} -+ -+static void -+iptreemap_destroy(struct ip_set *set) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ -+ while (!del_timer(&map->gc)) -+ msleep(IPTREEMAP_DESTROY_SLEEP); -+ -+ __flush(map); -+ kfree(map); -+ -+ set->data = NULL; -+} -+ -+static void -+iptreemap_flush(struct ip_set *set) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ -+ while (!del_timer(&map->gc)) -+ msleep(IPTREEMAP_DESTROY_SLEEP); -+ -+ __flush(map); -+ -+ memset(map, 0, sizeof(*map)); -+ -+ init_gc_timer(set); -+} -+ -+static void -+iptreemap_list_header(const struct ip_set *set, void *data) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_req_iptreemap_create *header = data; -+ -+ header->gc_interval = map->gc_interval; -+} -+ -+static int -+iptreemap_list_members_size(const struct ip_set *set) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int a, b, c, d, inrange = 0, count = 0; -+ -+ LOOP_WALK_BEGIN_COUNT(map, a, btree, inrange, count) { -+ LOOP_WALK_BEGIN_COUNT(btree, b, ctree, inrange, count) { -+ LOOP_WALK_BEGIN_COUNT(ctree, c, dtree, inrange, count) { -+ for (d = 0; d < 256; d++) { -+ if (test_bit(d, (void *) dtree->bitmap)) { -+ inrange = 1; -+ } else if (inrange) { -+ count++; -+ inrange = 0; -+ } -+ } -+ } LOOP_WALK_END_COUNT(); -+ } LOOP_WALK_END_COUNT(); -+ } LOOP_WALK_END_COUNT(); -+ -+ if (inrange) -+ count++; -+ -+ return (count * sizeof(struct ip_set_req_iptreemap)); -+} -+ -+static inline u_int32_t -+add_member(void *data, size_t offset, ip_set_ip_t start, ip_set_ip_t end) -+{ -+ struct ip_set_req_iptreemap *entry = data + offset; -+ -+ entry->ip = start; -+ entry->end = end; -+ -+ return sizeof(*entry); -+} -+ -+static void -+iptreemap_list_members(const struct ip_set *set, void *data) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int a, b, c, d, inrange = 0; -+ size_t offset = 0; -+ ip_set_ip_t start = 0, end = 0, ip; -+ -+ LOOP_WALK_BEGIN(map, a, btree) { -+ LOOP_WALK_BEGIN(btree, b, ctree) { -+ LOOP_WALK_BEGIN(ctree, c, dtree) { -+ for (d = 0; d < 256; d++) { -+ if (test_bit(d, (void *) dtree->bitmap)) { -+ ip = ((a << 24) | (b << 16) | (c << 8) | d); -+ if (!inrange) { -+ inrange = 1; -+ start = ip; -+ } else if (end < ip - 1) { -+ offset += add_member(data, offset, start, end); -+ start = ip; -+ } -+ end = ip; -+ } else if (inrange) { -+ offset += add_member(data, offset, start, end); -+ inrange = 0; -+ } -+ } -+ } LOOP_WALK_END(); -+ } LOOP_WALK_END(); -+ } LOOP_WALK_END(); -+ -+ if (inrange) -+ add_member(data, offset, start, end); -+} -+ -+IP_SET_TYPE(iptreemap, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Sven Wegener <sven.wegener@stealer.net>"); -+MODULE_DESCRIPTION("iptreemap type of IP sets"); -+ -+static int __init ip_set_iptreemap_init(void) -+{ -+ int ret = -ENOMEM; -+ int a; -+ -+ cachep_b = KMEM_CACHE_CREATE("ip_set_iptreemap_b", -+ sizeof(struct ip_set_iptreemap_b)); -+ if (!cachep_b) { -+ ip_set_printk("Unable to create ip_set_iptreemap_b slab cache"); -+ goto out; -+ } -+ -+ cachep_c = KMEM_CACHE_CREATE("ip_set_iptreemap_c", -+ sizeof(struct ip_set_iptreemap_c)); -+ if (!cachep_c) { -+ ip_set_printk("Unable to create ip_set_iptreemap_c slab cache"); -+ goto outb; -+ } -+ -+ cachep_d = KMEM_CACHE_CREATE("ip_set_iptreemap_d", -+ sizeof(struct ip_set_iptreemap_d)); -+ if (!cachep_d) { -+ ip_set_printk("Unable to create ip_set_iptreemap_d slab cache"); -+ goto outc; -+ } -+ -+ fullbitmap_d = kmem_cache_alloc(cachep_d, GFP_KERNEL); -+ if (!fullbitmap_d) -+ goto outd; -+ -+ fullbitmap_c = kmem_cache_alloc(cachep_c, GFP_KERNEL); -+ if (!fullbitmap_c) -+ goto outbitmapd; -+ -+ fullbitmap_b = kmem_cache_alloc(cachep_b, GFP_KERNEL); -+ if (!fullbitmap_b) -+ goto outbitmapc; -+ -+ ret = ip_set_register_set_type(&ip_set_iptreemap); -+ if (0 > ret) -+ goto outbitmapb; -+ -+ /* Now init our global bitmaps */ -+ memset(fullbitmap_d->bitmap, 0xff, sizeof(fullbitmap_d->bitmap)); -+ -+ for (a = 0; a < 256; a++) -+ fullbitmap_c->tree[a] = fullbitmap_d; -+ -+ for (a = 0; a < 256; a++) -+ fullbitmap_b->tree[a] = fullbitmap_c; -+ memset(fullbitmap_b->dirty, 0, sizeof(fullbitmap_b->dirty)); -+ -+ return 0; -+ -+outbitmapb: -+ kmem_cache_free(cachep_b, fullbitmap_b); -+outbitmapc: -+ kmem_cache_free(cachep_c, fullbitmap_c); -+outbitmapd: -+ kmem_cache_free(cachep_d, fullbitmap_d); -+outd: -+ kmem_cache_destroy(cachep_d); -+outc: -+ kmem_cache_destroy(cachep_c); -+outb: -+ kmem_cache_destroy(cachep_b); -+out: -+ -+ return ret; -+} -+ -+static void __exit ip_set_iptreemap_fini(void) -+{ -+ ip_set_unregister_set_type(&ip_set_iptreemap); -+ kmem_cache_free(cachep_d, fullbitmap_d); -+ kmem_cache_free(cachep_c, fullbitmap_c); -+ kmem_cache_free(cachep_b, fullbitmap_b); -+ kmem_cache_destroy(cachep_d); -+ kmem_cache_destroy(cachep_c); -+ kmem_cache_destroy(cachep_b); -+} -+ -+module_init(ip_set_iptreemap_init); -+module_exit(ip_set_iptreemap_fini); ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_macipmap.c -@@ -0,0 +1,164 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Martin Josefsson <gandalf@wlug.westbo.se> -+ * Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an IP set type: the macipmap type */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/if_ether.h> -+ -+#include <linux/netfilter_ipv4/ip_set_macipmap.h> -+ -+static int -+macipmap_utest(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ const struct ip_set_macipmap *map = set->data; -+ const struct ip_set_macip *table = map->members; -+ const struct ip_set_req_macipmap *req = data; -+ -+ if (req->ip < map->first_ip || req->ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = req->ip; -+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(req->ip), HIPQUAD(*hash_ip)); -+ if (table[req->ip - map->first_ip].match) { -+ return (memcmp(req->ethernet, -+ &table[req->ip - map->first_ip].ethernet, -+ ETH_ALEN) == 0); -+ } else { -+ return (map->flags & IPSET_MACIP_MATCHUNSET ? 1 : 0); -+ } -+} -+ -+static int -+macipmap_ktest(struct ip_set *set, -+ const struct sk_buff *skb, -+ ip_set_ip_t *hash_ip, -+ const u_int32_t *flags, -+ unsigned char index) -+{ -+ const struct ip_set_macipmap *map = set->data; -+ const struct ip_set_macip *table = map->members; -+ ip_set_ip_t ip; -+ -+ ip = ipaddr(skb, flags[index]); -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return 0; -+ -+ *hash_ip = ip; -+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ if (table[ip - map->first_ip].match) { -+ /* Is mac pointer valid? -+ * If so, compare... */ -+ return (skb_mac_header(skb) >= skb->head -+ && (skb_mac_header(skb) + ETH_HLEN) <= skb->data -+ && (memcmp(eth_hdr(skb)->h_source, -+ &table[ip - map->first_ip].ethernet, -+ ETH_ALEN) == 0)); -+ } else { -+ return (map->flags & IPSET_MACIP_MATCHUNSET ? 1 : 0); -+ } -+} -+ -+/* returns 0 on success */ -+static inline int -+macipmap_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, const unsigned char *ethernet) -+{ -+ struct ip_set_macipmap *map = set->data; -+ struct ip_set_macip *table = map->members; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ if (table[ip - map->first_ip].match) -+ return -EEXIST; -+ -+ *hash_ip = ip; -+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ memcpy(&table[ip - map->first_ip].ethernet, ethernet, ETH_ALEN); -+ table[ip - map->first_ip].match = IPSET_MACIP_ISSET; -+ return 0; -+} -+ -+#define KADT_CONDITION \ -+ if (!(skb_mac_header(skb) >= skb->head \ -+ && (skb_mac_header(skb) + ETH_HLEN) <= skb->data))\ -+ return -EINVAL; -+ -+UADT(macipmap, add, req->ethernet) -+KADT(macipmap, add, ipaddr, eth_hdr(skb)->h_source) -+ -+static inline int -+macipmap_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_macipmap *map = set->data; -+ struct ip_set_macip *table = map->members; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ if (!table[ip - map->first_ip].match) -+ return -EEXIST; -+ -+ *hash_ip = ip; -+ table[ip - map->first_ip].match = 0; -+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ return 0; -+} -+ -+#undef KADT_CONDITION -+#define KADT_CONDITION -+ -+UADT(macipmap, del) -+KADT(macipmap, del, ipaddr) -+ -+static inline int -+__macipmap_create(const struct ip_set_req_macipmap_create *req, -+ struct ip_set_macipmap *map) -+{ -+ if (req->to - req->from > MAX_RANGE) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ req->to - req->from + 1, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ map->flags = req->flags; -+ return (req->to - req->from + 1) * sizeof(struct ip_set_macip); -+} -+ -+BITMAP_CREATE(macipmap) -+BITMAP_DESTROY(macipmap) -+BITMAP_FLUSH(macipmap) -+ -+static inline void -+__macipmap_list_header(const struct ip_set_macipmap *map, -+ struct ip_set_req_macipmap_create *header) -+{ -+ header->flags = map->flags; -+} -+ -+BITMAP_LIST_HEADER(macipmap) -+BITMAP_LIST_MEMBERS_SIZE(macipmap) -+BITMAP_LIST_MEMBERS(macipmap) -+ -+IP_SET_TYPE(macipmap, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("macipmap type of IP sets"); -+ -+REGISTER_MODULE(macipmap) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_nethash.c -@@ -0,0 +1,225 @@ -+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing a cidr nethash set */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/random.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_nethash.h> -+ -+static int limit = MAX_RANGE; -+ -+static inline __u32 -+nethash_id_cidr(const struct ip_set_nethash *map, -+ ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, -+ uint8_t cidr) -+{ -+ __u32 id; -+ u_int16_t i; -+ ip_set_ip_t *elem; -+ -+ *hash_ip = pack_ip_cidr(ip, cidr); -+ if (!*hash_ip) -+ return MAX_RANGE; -+ -+ for (i = 0; i < map->probes; i++) { -+ id = jhash_ip(map, i, *hash_ip) % map->hashsize; -+ DP("hash key: %u", id); -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ if (*elem == *hash_ip) -+ return id; -+ /* No shortcut - there can be deleted entries. */ -+ } -+ return UINT_MAX; -+} -+ -+static inline __u32 -+nethash_id(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ const struct ip_set_nethash *map = set->data; -+ __u32 id = UINT_MAX; -+ int i; -+ -+ for (i = 0; i < 30 && map->cidr[i]; i++) { -+ id = nethash_id_cidr(map, hash_ip, ip, map->cidr[i]); -+ if (id != UINT_MAX) -+ break; -+ } -+ return id; -+} -+ -+static inline int -+nethash_test_cidr(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, uint8_t cidr) -+{ -+ const struct ip_set_nethash *map = set->data; -+ -+ return (nethash_id_cidr(map, hash_ip, ip, cidr) != UINT_MAX); -+} -+ -+static inline int -+nethash_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ return (nethash_id(set, hash_ip, ip) != UINT_MAX); -+} -+ -+static int -+nethash_utest(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ const struct ip_set_req_nethash *req = data; -+ -+ if (req->cidr <= 0 || req->cidr > 32) -+ return -EINVAL; -+ return (req->cidr == 32 ? nethash_test(set, hash_ip, req->ip) -+ : nethash_test_cidr(set, hash_ip, req->ip, req->cidr)); -+} -+ -+#define KADT_CONDITION -+ -+KADT(nethash, test, ipaddr) -+ -+static inline int -+__nethash_add(struct ip_set_nethash *map, ip_set_ip_t *ip) -+{ -+ __u32 probe; -+ u_int16_t i; -+ ip_set_ip_t *elem, *slot = NULL; -+ -+ for (i = 0; i < map->probes; i++) { -+ probe = jhash_ip(map, i, *ip) % map->hashsize; -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe); -+ if (*elem == *ip) -+ return -EEXIST; -+ if (!(slot || *elem)) -+ slot = elem; -+ /* There can be deleted entries, must check all slots */ -+ } -+ if (slot) { -+ *slot = *ip; -+ map->elements++; -+ return 0; -+ } -+ /* Trigger rehashing */ -+ return -EAGAIN; -+} -+ -+static inline int -+nethash_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, uint8_t cidr) -+{ -+ struct ip_set_nethash *map = set->data; -+ int ret; -+ -+ if (map->elements >= limit || map->nets[cidr-1] == UINT16_MAX) -+ return -ERANGE; -+ if (cidr <= 0 || cidr >= 32) -+ return -EINVAL; -+ -+ *hash_ip = pack_ip_cidr(ip, cidr); -+ DP("%u.%u.%u.%u/%u, %u.%u.%u.%u", HIPQUAD(ip), cidr, HIPQUAD(*hash_ip)); -+ if (!*hash_ip) -+ return -ERANGE; -+ -+ ret = __nethash_add(map, hash_ip); -+ if (ret == 0) { -+ if (!map->nets[cidr-1]++) -+ add_cidr_size(map->cidr, cidr); -+ map->elements++; -+ } -+ -+ return ret; -+} -+ -+#undef KADT_CONDITION -+#define KADT_CONDITION \ -+ struct ip_set_nethash *map = set->data; \ -+ uint8_t cidr = map->cidr[0] ? map->cidr[0] : 31; -+ -+UADT(nethash, add, req->cidr) -+KADT(nethash, add, ipaddr, cidr) -+ -+static inline void -+__nethash_retry(struct ip_set_nethash *tmp, struct ip_set_nethash *map) -+{ -+ memcpy(tmp->cidr, map->cidr, sizeof(tmp->cidr)); -+ memcpy(tmp->nets, map->nets, sizeof(tmp->nets)); -+} -+ -+HASH_RETRY(nethash, ip_set_ip_t) -+ -+static inline int -+nethash_del(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, uint8_t cidr) -+{ -+ struct ip_set_nethash *map = set->data; -+ ip_set_ip_t id, *elem; -+ -+ if (cidr <= 0 || cidr >= 32) -+ return -EINVAL; -+ -+ id = nethash_id_cidr(map, hash_ip, ip, cidr); -+ if (id == UINT_MAX) -+ return -EEXIST; -+ -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ *elem = 0; -+ map->elements--; -+ if (!map->nets[cidr-1]--) -+ del_cidr_size(map->cidr, cidr); -+ return 0; -+} -+ -+UADT(nethash, del, req->cidr) -+KADT(nethash, del, ipaddr, cidr) -+ -+static inline int -+__nethash_create(const struct ip_set_req_nethash_create *req, -+ struct ip_set_nethash *map) -+{ -+ memset(map->cidr, 0, sizeof(map->cidr)); -+ memset(map->nets, 0, sizeof(map->nets)); -+ -+ return 0; -+} -+ -+HASH_CREATE(nethash, ip_set_ip_t) -+HASH_DESTROY(nethash) -+ -+HASH_FLUSH_CIDR(nethash, ip_set_ip_t) -+ -+static inline void -+__nethash_list_header(const struct ip_set_nethash *map, -+ struct ip_set_req_nethash_create *header) -+{ -+} -+ -+HASH_LIST_HEADER(nethash) -+HASH_LIST_MEMBERS_SIZE(nethash, ip_set_ip_t) -+HASH_LIST_MEMBERS(nethash, ip_set_ip_t) -+ -+IP_SET_RTYPE(nethash, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("nethash type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+REGISTER_MODULE(nethash) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_portmap.c -@@ -0,0 +1,114 @@ -+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing a port set type as a bitmap */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/tcp.h> -+#include <linux/udp.h> -+#include <linux/skbuff.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_portmap.h> -+#include <linux/netfilter_ipv4/ip_set_getport.h> -+ -+static inline int -+portmap_test(const struct ip_set *set, ip_set_ip_t *hash_port, -+ ip_set_ip_t port) -+{ -+ const struct ip_set_portmap *map = set->data; -+ -+ if (port < map->first_ip || port > map->last_ip) -+ return -ERANGE; -+ -+ *hash_port = port; -+ DP("set: %s, port:%u, %u", set->name, port, *hash_port); -+ return !!test_bit(port - map->first_ip, map->members); -+} -+ -+#define KADT_CONDITION \ -+ if (ip == INVALID_PORT) \ -+ return 0; -+ -+UADT(portmap, test) -+KADT(portmap, test, get_port) -+ -+static inline int -+portmap_add(struct ip_set *set, ip_set_ip_t *hash_port, ip_set_ip_t port) -+{ -+ struct ip_set_portmap *map = set->data; -+ -+ if (port < map->first_ip || port > map->last_ip) -+ return -ERANGE; -+ if (test_and_set_bit(port - map->first_ip, map->members)) -+ return -EEXIST; -+ -+ *hash_port = port; -+ DP("port %u", port); -+ return 0; -+} -+ -+UADT(portmap, add) -+KADT(portmap, add, get_port) -+ -+static inline int -+portmap_del(struct ip_set *set, ip_set_ip_t *hash_port, ip_set_ip_t port) -+{ -+ struct ip_set_portmap *map = set->data; -+ -+ if (port < map->first_ip || port > map->last_ip) -+ return -ERANGE; -+ if (!test_and_clear_bit(port - map->first_ip, map->members)) -+ return -EEXIST; -+ -+ *hash_port = port; -+ DP("port %u", port); -+ return 0; -+} -+ -+UADT(portmap, del) -+KADT(portmap, del, get_port) -+ -+static inline int -+__portmap_create(const struct ip_set_req_portmap_create *req, -+ struct ip_set_portmap *map) -+{ -+ if (req->to - req->from > MAX_RANGE) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ req->to - req->from + 1, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ return bitmap_bytes(req->from, req->to); -+} -+ -+BITMAP_CREATE(portmap) -+BITMAP_DESTROY(portmap) -+BITMAP_FLUSH(portmap) -+ -+static inline void -+__portmap_list_header(const struct ip_set_portmap *map, -+ struct ip_set_req_portmap_create *header) -+{ -+} -+ -+BITMAP_LIST_HEADER(portmap) -+BITMAP_LIST_MEMBERS_SIZE(portmap) -+BITMAP_LIST_MEMBERS(portmap) -+ -+IP_SET_TYPE(portmap, IPSET_TYPE_PORT | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("portmap type of IP sets"); -+ -+REGISTER_MODULE(portmap) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_setlist.c -@@ -0,0 +1,330 @@ -+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an IP set type: the setlist type */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/errno.h> -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+#include <linux/netfilter_ipv4/ip_set_setlist.h> -+ -+/* -+ * before ==> index, ref -+ * after ==> ref, index -+ */ -+ -+static inline int -+next_index_eq(const struct ip_set_setlist *map, int i, ip_set_id_t index) -+{ -+ return i < map->size && map->index[i] == index; -+} -+ -+static int -+setlist_utest(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ const struct ip_set_setlist *map = set->data; -+ const struct ip_set_req_setlist *req = data; -+ ip_set_id_t index, ref = IP_SET_INVALID_ID; -+ int i, res = 0; -+ struct ip_set *s; -+ -+ if (req->before && req->ref[0] == '\0') -+ return 0; -+ -+ index = __ip_set_get_byname(req->name, &s); -+ if (index == IP_SET_INVALID_ID) -+ return 0; -+ if (req->ref[0] != '\0') { -+ ref = __ip_set_get_byname(req->ref, &s); -+ if (ref == IP_SET_INVALID_ID) -+ goto finish; -+ } -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID; i++) { -+ if (req->before && map->index[i] == index) { -+ res = next_index_eq(map, i + 1, ref); -+ break; -+ } else if (!req->before) { -+ if ((ref == IP_SET_INVALID_ID -+ && map->index[i] == index) -+ || (map->index[i] == ref -+ && next_index_eq(map, i + 1, index))) { -+ res = 1; -+ break; -+ } -+ } -+ } -+ if (ref != IP_SET_INVALID_ID) -+ __ip_set_put_byindex(ref); -+finish: -+ __ip_set_put_byindex(index); -+ return res; -+} -+ -+static int -+setlist_ktest(struct ip_set *set, -+ const struct sk_buff *skb, -+ ip_set_ip_t *hash_ip, -+ const u_int32_t *flags, -+ unsigned char index) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i, res = 0; -+ -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID -+ && res == 0; i++) -+ res = ip_set_testip_kernel(map->index[i], skb, flags); -+ return res; -+} -+ -+static inline int -+insert_setlist(struct ip_set_setlist *map, int i, ip_set_id_t index) -+{ -+ ip_set_id_t tmp; -+ int j; -+ -+ DP("i: %u, last %u\n", i, map->index[map->size - 1]); -+ if (i >= map->size || map->index[map->size - 1] != IP_SET_INVALID_ID) -+ return -ERANGE; -+ -+ for (j = i; j < map->size -+ && index != IP_SET_INVALID_ID; j++) { -+ tmp = map->index[j]; -+ map->index[j] = index; -+ index = tmp; -+ } -+ return 0; -+} -+ -+static int -+setlist_uadd(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_setlist *map = set->data; -+ const struct ip_set_req_setlist *req = data; -+ ip_set_id_t index, ref = IP_SET_INVALID_ID; -+ int i, res = -ERANGE; -+ struct ip_set *s; -+ -+ if (req->before && req->ref[0] == '\0') -+ return -EINVAL; -+ -+ index = __ip_set_get_byname(req->name, &s); -+ if (index == IP_SET_INVALID_ID) -+ return -EEXIST; -+ /* "Loop detection" */ -+ if (strcmp(s->type->typename, "setlist") == 0) -+ goto finish; -+ -+ if (req->ref[0] != '\0') { -+ ref = __ip_set_get_byname(req->ref, &s); -+ if (ref == IP_SET_INVALID_ID) { -+ res = -EEXIST; -+ goto finish; -+ } -+ } -+ for (i = 0; i < map->size; i++) { -+ if (map->index[i] != ref) -+ continue; -+ if (req->before) -+ res = insert_setlist(map, i, index); -+ else -+ res = insert_setlist(map, -+ ref == IP_SET_INVALID_ID ? i : i + 1, -+ index); -+ break; -+ } -+ if (ref != IP_SET_INVALID_ID) -+ __ip_set_put_byindex(ref); -+ /* In case of success, we keep the reference to the set */ -+finish: -+ if (res != 0) -+ __ip_set_put_byindex(index); -+ return res; -+} -+ -+static int -+setlist_kadd(struct ip_set *set, -+ const struct sk_buff *skb, -+ ip_set_ip_t *hash_ip, -+ const u_int32_t *flags, -+ unsigned char index) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i, res = -EINVAL; -+ -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID -+ && res != 0; i++) -+ res = ip_set_addip_kernel(map->index[i], skb, flags); -+ return res; -+} -+ -+static inline int -+unshift_setlist(struct ip_set_setlist *map, int i) -+{ -+ int j; -+ -+ for (j = i; j < map->size - 1; j++) -+ map->index[j] = map->index[j+1]; -+ map->index[map->size-1] = IP_SET_INVALID_ID; -+ return 0; -+} -+ -+static int -+setlist_udel(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_setlist *map = set->data; -+ const struct ip_set_req_setlist *req = data; -+ ip_set_id_t index, ref = IP_SET_INVALID_ID; -+ int i, res = -EEXIST; -+ struct ip_set *s; -+ -+ if (req->before && req->ref[0] == '\0') -+ return -EINVAL; -+ -+ index = __ip_set_get_byname(req->name, &s); -+ if (index == IP_SET_INVALID_ID) -+ return -EEXIST; -+ if (req->ref[0] != '\0') { -+ ref = __ip_set_get_byname(req->ref, &s); -+ if (ref == IP_SET_INVALID_ID) -+ goto finish; -+ } -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID; i++) { -+ if (req->before) { -+ if (map->index[i] == index -+ && next_index_eq(map, i + 1, ref)) { -+ res = unshift_setlist(map, i); -+ break; -+ } -+ } else if (ref == IP_SET_INVALID_ID) { -+ if (map->index[i] == index) { -+ res = unshift_setlist(map, i); -+ break; -+ } -+ } else if (map->index[i] == ref -+ && next_index_eq(map, i + 1, index)) { -+ res = unshift_setlist(map, i + 1); -+ break; -+ } -+ } -+ if (ref != IP_SET_INVALID_ID) -+ __ip_set_put_byindex(ref); -+finish: -+ __ip_set_put_byindex(index); -+ /* In case of success, release the reference to the set */ -+ if (res == 0) -+ __ip_set_put_byindex(index); -+ return res; -+} -+ -+static int -+setlist_kdel(struct ip_set *set, -+ const struct sk_buff *skb, -+ ip_set_ip_t *hash_ip, -+ const u_int32_t *flags, -+ unsigned char index) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i, res = -EINVAL; -+ -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID -+ && res != 0; i++) -+ res = ip_set_delip_kernel(map->index[i], skb, flags); -+ return res; -+} -+ -+static int -+setlist_create(struct ip_set *set, const void *data, u_int32_t size) -+{ -+ struct ip_set_setlist *map; -+ const struct ip_set_req_setlist_create *req = data; -+ int i; -+ -+ map = kmalloc(sizeof(struct ip_set_setlist) + -+ req->size * sizeof(ip_set_id_t), GFP_KERNEL); -+ if (!map) -+ return -ENOMEM; -+ map->size = req->size; -+ for (i = 0; i < map->size; i++) -+ map->index[i] = IP_SET_INVALID_ID; -+ -+ set->data = map; -+ return 0; -+} -+ -+static void -+setlist_destroy(struct ip_set *set) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i; -+ -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID; i++) -+ __ip_set_put_byindex(map->index[i]); -+ -+ kfree(map); -+ set->data = NULL; -+} -+ -+static void -+setlist_flush(struct ip_set *set) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i; -+ -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID; i++) { -+ __ip_set_put_byindex(map->index[i]); -+ map->index[i] = IP_SET_INVALID_ID; -+ } -+} -+ -+static void -+setlist_list_header(const struct ip_set *set, void *data) -+{ -+ const struct ip_set_setlist *map = set->data; -+ struct ip_set_req_setlist_create *header = data; -+ -+ header->size = map->size; -+} -+ -+static int -+setlist_list_members_size(const struct ip_set *set) -+{ -+ const struct ip_set_setlist *map = set->data; -+ -+ return map->size * sizeof(ip_set_id_t); -+} -+ -+static void -+setlist_list_members(const struct ip_set *set, void *data) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i; -+ -+ for (i = 0; i < map->size; i++) -+ *((ip_set_id_t *)data + i) = ip_set_id(map->index[i]); -+} -+ -+IP_SET_TYPE(setlist, IPSET_TYPE_SETNAME | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("setlist type of IP sets"); -+ -+REGISTER_MODULE(setlist) ---- /dev/null -+++ b/net/ipv4/netfilter/ipt_set.c -@@ -0,0 +1,238 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Martin Josefsson <gandalf@wlug.westbo.se> -+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module to match an IP set. */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/version.h> -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) -+#include <linux/netfilter_ipv4/ip_tables.h> -+#define xt_register_match ipt_register_match -+#define xt_unregister_match ipt_unregister_match -+#define xt_match ipt_match -+#else -+#include <linux/netfilter/x_tables.h> -+#endif -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ipt_set.h> -+ -+static inline int -+match_set(const struct ipt_set_info *info, -+ const struct sk_buff *skb, -+ int inv) -+{ -+ if (ip_set_testip_kernel(info->index, skb, info->flags)) -+ inv = !inv; -+ return inv; -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) -+static int -+match(const struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ const void *matchinfo, -+ int offset, -+ const void *hdr, -+ u_int16_t datalen, -+ int *hotdrop) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) -+static int -+match(const struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ const void *matchinfo, -+ int offset, -+ int *hotdrop) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static int -+match(const struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ const void *matchinfo, -+ int offset, -+ unsigned int protoff, -+ int *hotdrop) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -+static int -+match(const struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ const struct xt_match *match, -+ const void *matchinfo, -+ int offset, -+ unsigned int protoff, -+ int *hotdrop) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+static bool -+match(const struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ const struct xt_match *match, -+ const void *matchinfo, -+ int offset, -+ unsigned int protoff, -+ bool *hotdrop) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+static bool -+match(const struct sk_buff *skb, -+ const struct xt_match_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ const struct ipt_set_info_match *info = matchinfo; -+#else -+ const struct ipt_set_info_match *info = par->matchinfo; -+#endif -+ -+ return match_set(&info->match_set, -+ skb, -+ info->match_set.flags[0] & IPSET_MATCH_INV); -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) -+static int -+checkentry(const char *tablename, -+ const struct ipt_ip *ip, -+ void *matchinfo, -+ unsigned int matchsize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static int -+checkentry(const char *tablename, -+ const void *inf, -+ void *matchinfo, -+ unsigned int matchsize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+static int -+checkentry(const char *tablename, -+ const void *inf, -+ const struct xt_match *match, -+ void *matchinfo, -+ unsigned int matchsize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -+static int -+checkentry(const char *tablename, -+ const void *inf, -+ const struct xt_match *match, -+ void *matchinfo, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+static bool -+checkentry(const char *tablename, -+ const void *inf, -+ const struct xt_match *match, -+ void *matchinfo, -+ unsigned int hook_mask) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+static bool -+checkentry(const struct xt_mtchk_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ struct ipt_set_info_match *info = matchinfo; -+#else -+ struct ipt_set_info_match *info = par->matchinfo; -+#endif -+ ip_set_id_t index; -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+ if (matchsize != IPT_ALIGN(sizeof(struct ipt_set_info_match))) { -+ ip_set_printk("invalid matchsize %d", matchsize); -+ return 0; -+ } -+#endif -+ -+ index = ip_set_get_byindex(info->match_set.index); -+ -+ if (index == IP_SET_INVALID_ID) { -+ ip_set_printk("Cannot find set indentified by id %u to match", -+ info->match_set.index); -+ return 0; /* error */ -+ } -+ if (info->match_set.flags[IP_SET_MAX_BINDINGS] != 0) { -+ ip_set_printk("That's nasty!"); -+ return 0; /* error */ -+ } -+ -+ return 1; -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static void destroy(void *matchinfo, -+ unsigned int matchsize) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+static void destroy(const struct xt_match *match, -+ void *matchinfo, -+ unsigned int matchsize) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+static void destroy(const struct xt_match *match, -+ void *matchinfo) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+static void destroy(const struct xt_mtdtor_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ struct ipt_set_info_match *info = matchinfo; -+#else -+ struct ipt_set_info_match *info = par->matchinfo; -+#endif -+ -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+ if (matchsize != IPT_ALIGN(sizeof(struct ipt_set_info_match))) { -+ ip_set_printk("invalid matchsize %d", matchsize); -+ return; -+ } -+#endif -+ ip_set_put_byindex(info->match_set.index); -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static struct xt_match set_match = { -+ .name = "set", -+ .match = &match, -+ .checkentry = &checkentry, -+ .destroy = &destroy, -+ .me = THIS_MODULE -+}; -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17) */ -+static struct xt_match set_match = { -+ .name = "set", -+ .family = AF_INET, -+ .match = &match, -+ .matchsize = sizeof(struct ipt_set_info_match), -+ .checkentry = &checkentry, -+ .destroy = &destroy, -+ .me = THIS_MODULE -+}; -+#endif -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("iptables IP set match module"); -+ -+static int __init ipt_ipset_init(void) -+{ -+ return xt_register_match(&set_match); -+} -+ -+static void __exit ipt_ipset_fini(void) -+{ -+ xt_unregister_match(&set_match); -+} -+ -+module_init(ipt_ipset_init); -+module_exit(ipt_ipset_fini); ---- /dev/null -+++ b/net/ipv4/netfilter/ipt_SET.c -@@ -0,0 +1,242 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Martin Josefsson <gandalf@wlug.westbo.se> -+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* ipt_SET.c - netfilter target to manipulate IP sets */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/version.h> -+ -+#include <linux/netfilter_ipv4.h> -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) -+#include <linux/netfilter_ipv4/ip_tables.h> -+#define xt_register_target ipt_register_target -+#define xt_unregister_target ipt_unregister_target -+#define xt_target ipt_target -+#define XT_CONTINUE IPT_CONTINUE -+#else -+#include <linux/netfilter/x_tables.h> -+#endif -+#include <linux/netfilter_ipv4/ipt_set.h> -+ -+static unsigned int -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) -+target(struct sk_buff **pskb, -+ unsigned int hooknum, -+ const struct net_device *in, -+ const struct net_device *out, -+ const void *targinfo, -+ void *userinfo) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+target(struct sk_buff **pskb, -+ const struct net_device *in, -+ const struct net_device *out, -+ unsigned int hooknum, -+ const void *targinfo, -+ void *userinfo) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+target(struct sk_buff **pskb, -+ const struct net_device *in, -+ const struct net_device *out, -+ unsigned int hooknum, -+ const struct xt_target *target, -+ const void *targinfo, -+ void *userinfo) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24) -+target(struct sk_buff **pskb, -+ const struct net_device *in, -+ const struct net_device *out, -+ unsigned int hooknum, -+ const struct xt_target *target, -+ const void *targinfo) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+target(struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ unsigned int hooknum, -+ const struct xt_target *target, -+ const void *targinfo) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+target(struct sk_buff *skb, -+ const struct xt_target_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ const struct ipt_set_info_target *info = targinfo; -+#else -+ const struct ipt_set_info_target *info = par->targinfo; -+#endif -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24) -+ struct sk_buff *skb = *pskb; -+#endif -+ -+ -+ if (info->add_set.index != IP_SET_INVALID_ID) -+ ip_set_addip_kernel(info->add_set.index, -+ skb, -+ info->add_set.flags); -+ if (info->del_set.index != IP_SET_INVALID_ID) -+ ip_set_delip_kernel(info->del_set.index, -+ skb, -+ info->del_set.flags); -+ -+ return XT_CONTINUE; -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) -+static int -+checkentry(const char *tablename, -+ const struct ipt_entry *e, -+ void *targinfo, -+ unsigned int targinfosize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static int -+checkentry(const char *tablename, -+ const void *e, -+ void *targinfo, -+ unsigned int targinfosize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+static int -+checkentry(const char *tablename, -+ const void *e, -+ const struct xt_target *target, -+ void *targinfo, -+ unsigned int targinfosize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -+static int -+checkentry(const char *tablename, -+ const void *e, -+ const struct xt_target *target, -+ void *targinfo, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+static bool -+checkentry(const char *tablename, -+ const void *e, -+ const struct xt_target *target, -+ void *targinfo, -+ unsigned int hook_mask) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+static bool -+checkentry(const struct xt_tgchk_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ const struct ipt_set_info_target *info = targinfo; -+#else -+ const struct ipt_set_info_target *info = par->targinfo; -+#endif -+ ip_set_id_t index; -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+ if (targinfosize != IPT_ALIGN(sizeof(*info))) { -+ DP("bad target info size %u", targinfosize); -+ return 0; -+ } -+#endif -+ -+ if (info->add_set.index != IP_SET_INVALID_ID) { -+ index = ip_set_get_byindex(info->add_set.index); -+ if (index == IP_SET_INVALID_ID) { -+ ip_set_printk("cannot find add_set index %u as target", -+ info->add_set.index); -+ return 0; /* error */ -+ } -+ } -+ -+ if (info->del_set.index != IP_SET_INVALID_ID) { -+ index = ip_set_get_byindex(info->del_set.index); -+ if (index == IP_SET_INVALID_ID) { -+ ip_set_printk("cannot find del_set index %u as target", -+ info->del_set.index); -+ return 0; /* error */ -+ } -+ } -+ if (info->add_set.flags[IP_SET_MAX_BINDINGS] != 0 -+ || info->del_set.flags[IP_SET_MAX_BINDINGS] != 0) { -+ ip_set_printk("That's nasty!"); -+ return 0; /* error */ -+ } -+ -+ return 1; -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static void destroy(void *targetinfo, -+ unsigned int targetsize) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+static void destroy(const struct xt_target *target, -+ void *targetinfo, -+ unsigned int targetsize) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+static void destroy(const struct xt_target *target, -+ void *targetinfo) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+static void destroy(const struct xt_tgdtor_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ const struct ipt_set_info_target *info = targetinfo; -+#else -+ const struct ipt_set_info_target *info = par->targinfo; -+#endif -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+ if (targetsize != IPT_ALIGN(sizeof(struct ipt_set_info_target))) { -+ ip_set_printk("invalid targetsize %d", targetsize); -+ return; -+ } -+#endif -+ if (info->add_set.index != IP_SET_INVALID_ID) -+ ip_set_put_byindex(info->add_set.index); -+ if (info->del_set.index != IP_SET_INVALID_ID) -+ ip_set_put_byindex(info->del_set.index); -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static struct xt_target SET_target = { -+ .name = "SET", -+ .target = target, -+ .checkentry = checkentry, -+ .destroy = destroy, -+ .me = THIS_MODULE -+}; -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17) */ -+static struct xt_target SET_target = { -+ .name = "SET", -+ .family = AF_INET, -+ .target = target, -+ .targetsize = sizeof(struct ipt_set_info_target), -+ .checkentry = checkentry, -+ .destroy = destroy, -+ .me = THIS_MODULE -+}; -+#endif -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("iptables IP set target module"); -+ -+static int __init ipt_SET_init(void) -+{ -+ return xt_register_target(&SET_target); -+} -+ -+static void __exit ipt_SET_fini(void) -+{ -+ xt_unregister_target(&SET_target); -+} -+ -+module_init(ipt_SET_init); -+module_exit(ipt_SET_fini); ---- a/net/ipv4/netfilter/Kconfig -+++ b/net/ipv4/netfilter/Kconfig -@@ -406,5 +406,146 @@ config IP_NF_ARP_MANGLE - Allows altering the ARP packet payload: source and destination - hardware and network addresses. - -+config IP_NF_SET -+ tristate "IP set support" -+ depends on INET && NETFILTER -+ help -+ This option adds IP set support to the kernel. -+ In order to define and use sets, you need the userspace utility -+ ipset(8). -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_MAX -+ int "Maximum number of IP sets" -+ default 256 -+ range 2 65534 -+ depends on IP_NF_SET -+ help -+ You can define here default value of the maximum number -+ of IP sets for the kernel. -+ -+ The value can be overriden by the 'max_sets' module -+ parameter of the 'ip_set' module. -+ -+config IP_NF_SET_HASHSIZE -+ int "Hash size for bindings of IP sets" -+ default 1024 -+ depends on IP_NF_SET -+ help -+ You can define here default value of the hash size for -+ bindings of IP sets. -+ -+ The value can be overriden by the 'hash_size' module -+ parameter of the 'ip_set' module. -+ -+config IP_NF_SET_IPMAP -+ tristate "ipmap set support" -+ depends on IP_NF_SET -+ help -+ This option adds the ipmap set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_MACIPMAP -+ tristate "macipmap set support" -+ depends on IP_NF_SET -+ help -+ This option adds the macipmap set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_PORTMAP -+ tristate "portmap set support" -+ depends on IP_NF_SET -+ help -+ This option adds the portmap set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPHASH -+ tristate "iphash set support" -+ depends on IP_NF_SET -+ help -+ This option adds the iphash set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_NETHASH -+ tristate "nethash set support" -+ depends on IP_NF_SET -+ help -+ This option adds the nethash set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPPORTHASH -+ tristate "ipporthash set support" -+ depends on IP_NF_SET -+ help -+ This option adds the ipporthash set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPPORTIPHASH -+ tristate "ipportiphash set support" -+ depends on IP_NF_SET -+ help -+ This option adds the ipportiphash set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPPORTNETHASH -+ tristate "ipportnethash set support" -+ depends on IP_NF_SET -+ help -+ This option adds the ipportnethash set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPTREE -+ tristate "iptree set support" -+ depends on IP_NF_SET -+ help -+ This option adds the iptree set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPTREEMAP -+ tristate "iptreemap set support" -+ depends on IP_NF_SET -+ help -+ This option adds the iptreemap set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_SETLIST -+ tristate "setlist set support" -+ depends on IP_NF_SET -+ help -+ This option adds the setlist set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_MATCH_SET -+ tristate "set match support" -+ depends on IP_NF_SET -+ help -+ Set matching matches against given IP sets. -+ You need the ipset utility to create and set up the sets. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_TARGET_SET -+ tristate "SET target support" -+ depends on IP_NF_SET -+ help -+ The SET target makes possible to add/delete entries -+ in IP sets. -+ You need the ipset utility to create and set up the sets. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+ - endmenu - ---- a/net/ipv4/netfilter/Makefile -+++ b/net/ipv4/netfilter/Makefile -@@ -50,6 +50,7 @@ obj-$(CONFIG_IP_NF_MATCH_AH) += ipt_ah.o - obj-$(CONFIG_IP_NF_MATCH_ECN) += ipt_ecn.o - obj-$(CONFIG_IP_NF_MATCH_RECENT) += ipt_recent.o - obj-$(CONFIG_IP_NF_MATCH_TTL) += ipt_ttl.o -+obj-$(CONFIG_IP_NF_MATCH_SET) += ipt_set.o - - # targets - obj-$(CONFIG_IP_NF_TARGET_CLUSTERIP) += ipt_CLUSTERIP.o -@@ -61,6 +62,21 @@ obj-$(CONFIG_IP_NF_TARGET_REDIRECT) += i - obj-$(CONFIG_IP_NF_TARGET_REJECT) += ipt_REJECT.o - obj-$(CONFIG_IP_NF_TARGET_TTL) += ipt_TTL.o - obj-$(CONFIG_IP_NF_TARGET_ULOG) += ipt_ULOG.o -+obj-$(CONFIG_IP_NF_TARGET_SET) += ipt_SET.o -+ -+# sets -+obj-$(CONFIG_IP_NF_SET) += ip_set.o -+obj-$(CONFIG_IP_NF_SET_IPMAP) += ip_set_ipmap.o -+obj-$(CONFIG_IP_NF_SET_PORTMAP) += ip_set_portmap.o -+obj-$(CONFIG_IP_NF_SET_MACIPMAP) += ip_set_macipmap.o -+obj-$(CONFIG_IP_NF_SET_IPHASH) += ip_set_iphash.o -+obj-$(CONFIG_IP_NF_SET_NETHASH) += ip_set_nethash.o -+obj-$(CONFIG_IP_NF_SET_IPPORTHASH) += ip_set_ipporthash.o -+obj-$(CONFIG_IP_NF_SET_IPPORTIPHASH) += ip_set_ipportiphash.o -+obj-$(CONFIG_IP_NF_SET_IPPORTNETHASH) += ip_set_ipportnethash.o -+obj-$(CONFIG_IP_NF_SET_IPTREE) += ip_set_iptree.o -+obj-$(CONFIG_IP_NF_SET_IPTREEMAP) += ip_set_iptreemap.o -+obj-$(CONFIG_IP_NF_SET_SETLIST) += ip_set_setlist.o - - # generic ARP tables - obj-$(CONFIG_IP_NF_ARPTABLES) += arp_tables.o diff --git a/target/linux/generic-2.6/patches-2.6.30/130-netfilter_ipset.patch b/target/linux/generic-2.6/patches-2.6.30/130-netfilter_ipset.patch deleted file mode 100644 index 832f679d7a..0000000000 --- a/target/linux/generic-2.6/patches-2.6.30/130-netfilter_ipset.patch +++ /dev/null @@ -1,7749 +0,0 @@ ---- a/include/linux/netfilter_ipv4/Kbuild -+++ b/include/linux/netfilter_ipv4/Kbuild -@@ -45,3 +45,20 @@ header-y += ipt_ttl.h - - unifdef-y += ip_queue.h - unifdef-y += ip_tables.h -+ -+unifdef-y += ip_set.h -+header-y += ip_set_iphash.h -+unifdef-y += ip_set_bitmaps.h -+unifdef-y += ip_set_getport.h -+unifdef-y += ip_set_hashes.h -+header-y += ip_set_ipmap.h -+header-y += ip_set_ipporthash.h -+header-y += ip_set_ipportiphash.h -+header-y += ip_set_ipportnethash.h -+unifdef-y += ip_set_iptree.h -+unifdef-y += ip_set_iptreemap.h -+header-y += ip_set_jhash.h -+header-y += ip_set_macipmap.h -+header-y += ip_set_nethash.h -+header-y += ip_set_portmap.h -+header-y += ip_set_setlist.h ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set.h -@@ -0,0 +1,574 @@ -+#ifndef _IP_SET_H -+#define _IP_SET_H -+ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Martin Josefsson <gandalf@wlug.westbo.se> -+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#if 0 -+#define IP_SET_DEBUG -+#endif -+ -+/* -+ * A sockopt of such quality has hardly ever been seen before on the open -+ * market! This little beauty, hardly ever used: above 64, so it's -+ * traditionally used for firewalling, not touched (even once!) by the -+ * 2.0, 2.2 and 2.4 kernels! -+ * -+ * Comes with its own certificate of authenticity, valid anywhere in the -+ * Free world! -+ * -+ * Rusty, 19.4.2000 -+ */ -+#define SO_IP_SET 83 -+ -+/* -+ * Heavily modify by Joakim Axelsson 08.03.2002 -+ * - Made it more modulebased -+ * -+ * Additional heavy modifications by Jozsef Kadlecsik 22.02.2004 -+ * - bindings added -+ * - in order to "deal with" backward compatibility, renamed to ipset -+ */ -+ -+/* -+ * Used so that the kernel module and ipset-binary can match their versions -+ */ -+#define IP_SET_PROTOCOL_VERSION 3 -+ -+#define IP_SET_MAXNAMELEN 32 /* set names and set typenames */ -+ -+/* Lets work with our own typedef for representing an IP address. -+ * We hope to make the code more portable, possibly to IPv6... -+ * -+ * The representation works in HOST byte order, because most set types -+ * will perform arithmetic operations and compare operations. -+ * -+ * For now the type is an uint32_t. -+ * -+ * Make sure to ONLY use the functions when translating and parsing -+ * in order to keep the host byte order and make it more portable: -+ * parse_ip() -+ * parse_mask() -+ * parse_ipandmask() -+ * ip_tostring() -+ * (Joakim: where are they???) -+ */ -+ -+typedef uint32_t ip_set_ip_t; -+ -+/* Sets are identified by an id in kernel space. Tweak with ip_set_id_t -+ * and IP_SET_INVALID_ID if you want to increase the max number of sets. -+ */ -+typedef uint16_t ip_set_id_t; -+ -+#define IP_SET_INVALID_ID 65535 -+ -+/* How deep we follow bindings */ -+#define IP_SET_MAX_BINDINGS 6 -+ -+/* -+ * Option flags for kernel operations (ipt_set_info) -+ */ -+#define IPSET_SRC 0x01 /* Source match/add */ -+#define IPSET_DST 0x02 /* Destination match/add */ -+#define IPSET_MATCH_INV 0x04 /* Inverse matching */ -+ -+/* -+ * Set features -+ */ -+#define IPSET_TYPE_IP 0x01 /* IP address type of set */ -+#define IPSET_TYPE_PORT 0x02 /* Port type of set */ -+#define IPSET_DATA_SINGLE 0x04 /* Single data storage */ -+#define IPSET_DATA_DOUBLE 0x08 /* Double data storage */ -+#define IPSET_DATA_TRIPLE 0x10 /* Triple data storage */ -+#define IPSET_TYPE_IP1 0x20 /* IP address type of set */ -+#define IPSET_TYPE_SETNAME 0x40 /* setname type of set */ -+ -+/* Reserved keywords */ -+#define IPSET_TOKEN_DEFAULT ":default:" -+#define IPSET_TOKEN_ALL ":all:" -+ -+/* SO_IP_SET operation constants, and their request struct types. -+ * -+ * Operation ids: -+ * 0-99: commands with version checking -+ * 100-199: add/del/test/bind/unbind -+ * 200-299: list, save, restore -+ */ -+ -+/* Single shot operations: -+ * version, create, destroy, flush, rename and swap -+ * -+ * Sets are identified by name. -+ */ -+ -+#define IP_SET_REQ_STD \ -+ unsigned op; \ -+ unsigned version; \ -+ char name[IP_SET_MAXNAMELEN] -+ -+#define IP_SET_OP_CREATE 0x00000001 /* Create a new (empty) set */ -+struct ip_set_req_create { -+ IP_SET_REQ_STD; -+ char typename[IP_SET_MAXNAMELEN]; -+}; -+ -+#define IP_SET_OP_DESTROY 0x00000002 /* Remove a (empty) set */ -+struct ip_set_req_std { -+ IP_SET_REQ_STD; -+}; -+ -+#define IP_SET_OP_FLUSH 0x00000003 /* Remove all IPs in a set */ -+/* Uses ip_set_req_std */ -+ -+#define IP_SET_OP_RENAME 0x00000004 /* Rename a set */ -+/* Uses ip_set_req_create */ -+ -+#define IP_SET_OP_SWAP 0x00000005 /* Swap two sets */ -+/* Uses ip_set_req_create */ -+ -+union ip_set_name_index { -+ char name[IP_SET_MAXNAMELEN]; -+ ip_set_id_t index; -+}; -+ -+#define IP_SET_OP_GET_BYNAME 0x00000006 /* Get set index by name */ -+struct ip_set_req_get_set { -+ unsigned op; -+ unsigned version; -+ union ip_set_name_index set; -+}; -+ -+#define IP_SET_OP_GET_BYINDEX 0x00000007 /* Get set name by index */ -+/* Uses ip_set_req_get_set */ -+ -+#define IP_SET_OP_VERSION 0x00000100 /* Ask kernel version */ -+struct ip_set_req_version { -+ unsigned op; -+ unsigned version; -+}; -+ -+/* Double shots operations: -+ * add, del, test, bind and unbind. -+ * -+ * First we query the kernel to get the index and type of the target set, -+ * then issue the command. Validity of IP is checked in kernel in order -+ * to minimalize sockopt operations. -+ */ -+ -+/* Get minimal set data for add/del/test/bind/unbind IP */ -+#define IP_SET_OP_ADT_GET 0x00000010 /* Get set and type */ -+struct ip_set_req_adt_get { -+ unsigned op; -+ unsigned version; -+ union ip_set_name_index set; -+ char typename[IP_SET_MAXNAMELEN]; -+}; -+ -+#define IP_SET_REQ_BYINDEX \ -+ unsigned op; \ -+ ip_set_id_t index; -+ -+struct ip_set_req_adt { -+ IP_SET_REQ_BYINDEX; -+}; -+ -+#define IP_SET_OP_ADD_IP 0x00000101 /* Add an IP to a set */ -+/* Uses ip_set_req_adt, with type specific addage */ -+ -+#define IP_SET_OP_DEL_IP 0x00000102 /* Remove an IP from a set */ -+/* Uses ip_set_req_adt, with type specific addage */ -+ -+#define IP_SET_OP_TEST_IP 0x00000103 /* Test an IP in a set */ -+/* Uses ip_set_req_adt, with type specific addage */ -+ -+#define IP_SET_OP_BIND_SET 0x00000104 /* Bind an IP to a set */ -+/* Uses ip_set_req_bind, with type specific addage */ -+struct ip_set_req_bind { -+ IP_SET_REQ_BYINDEX; -+ char binding[IP_SET_MAXNAMELEN]; -+}; -+ -+#define IP_SET_OP_UNBIND_SET 0x00000105 /* Unbind an IP from a set */ -+/* Uses ip_set_req_bind, with type speficic addage -+ * index = 0 means unbinding for all sets */ -+ -+#define IP_SET_OP_TEST_BIND_SET 0x00000106 /* Test binding an IP to a set */ -+/* Uses ip_set_req_bind, with type specific addage */ -+ -+/* Multiple shots operations: list, save, restore. -+ * -+ * - check kernel version and query the max number of sets -+ * - get the basic information on all sets -+ * and size required for the next step -+ * - get actual set data: header, data, bindings -+ */ -+ -+/* Get max_sets and the index of a queried set -+ */ -+#define IP_SET_OP_MAX_SETS 0x00000020 -+struct ip_set_req_max_sets { -+ unsigned op; -+ unsigned version; -+ ip_set_id_t max_sets; /* max_sets */ -+ ip_set_id_t sets; /* real number of sets */ -+ union ip_set_name_index set; /* index of set if name used */ -+}; -+ -+/* Get the id and name of the sets plus size for next step */ -+#define IP_SET_OP_LIST_SIZE 0x00000201 -+#define IP_SET_OP_SAVE_SIZE 0x00000202 -+struct ip_set_req_setnames { -+ unsigned op; -+ ip_set_id_t index; /* set to list/save */ -+ u_int32_t size; /* size to get setdata/bindings */ -+ /* followed by sets number of struct ip_set_name_list */ -+}; -+ -+struct ip_set_name_list { -+ char name[IP_SET_MAXNAMELEN]; -+ char typename[IP_SET_MAXNAMELEN]; -+ ip_set_id_t index; -+ ip_set_id_t id; -+}; -+ -+/* The actual list operation */ -+#define IP_SET_OP_LIST 0x00000203 -+struct ip_set_req_list { -+ IP_SET_REQ_BYINDEX; -+ /* sets number of struct ip_set_list in reply */ -+}; -+ -+struct ip_set_list { -+ ip_set_id_t index; -+ ip_set_id_t binding; -+ u_int32_t ref; -+ u_int32_t header_size; /* Set header data of header_size */ -+ u_int32_t members_size; /* Set members data of members_size */ -+ u_int32_t bindings_size;/* Set bindings data of bindings_size */ -+}; -+ -+struct ip_set_hash_list { -+ ip_set_ip_t ip; -+ ip_set_id_t binding; -+}; -+ -+/* The save operation */ -+#define IP_SET_OP_SAVE 0x00000204 -+/* Uses ip_set_req_list, in the reply replaced by -+ * sets number of struct ip_set_save plus a marker -+ * ip_set_save followed by ip_set_hash_save structures. -+ */ -+struct ip_set_save { -+ ip_set_id_t index; -+ ip_set_id_t binding; -+ u_int32_t header_size; /* Set header data of header_size */ -+ u_int32_t members_size; /* Set members data of members_size */ -+}; -+ -+/* At restoring, ip == 0 means default binding for the given set: */ -+struct ip_set_hash_save { -+ ip_set_ip_t ip; -+ ip_set_id_t id; -+ ip_set_id_t binding; -+}; -+ -+/* The restore operation */ -+#define IP_SET_OP_RESTORE 0x00000205 -+/* Uses ip_set_req_setnames followed by ip_set_restore structures -+ * plus a marker ip_set_restore, followed by ip_set_hash_save -+ * structures. -+ */ -+struct ip_set_restore { -+ char name[IP_SET_MAXNAMELEN]; -+ char typename[IP_SET_MAXNAMELEN]; -+ ip_set_id_t index; -+ u_int32_t header_size; /* Create data of header_size */ -+ u_int32_t members_size; /* Set members data of members_size */ -+}; -+ -+static inline int bitmap_bytes(ip_set_ip_t a, ip_set_ip_t b) -+{ -+ return 4 * ((((b - a + 8) / 8) + 3) / 4); -+} -+ -+/* General limit for the elements in a set */ -+#define MAX_RANGE 0x0000FFFF -+ -+#ifdef __KERNEL__ -+#include <linux/netfilter_ipv4/ip_set_compat.h> -+#include <linux/netfilter_ipv4/ip_set_malloc.h> -+ -+#define ip_set_printk(format, args...) \ -+ do { \ -+ printk("%s: %s: ", __FILE__, __FUNCTION__); \ -+ printk(format "\n" , ## args); \ -+ } while (0) -+ -+#if defined(IP_SET_DEBUG) -+#define DP(format, args...) \ -+ do { \ -+ printk("%s: %s (DBG): ", __FILE__, __FUNCTION__);\ -+ printk(format "\n" , ## args); \ -+ } while (0) -+#define IP_SET_ASSERT(x) \ -+ do { \ -+ if (!(x)) \ -+ printk("IP_SET_ASSERT: %s:%i(%s)\n", \ -+ __FILE__, __LINE__, __FUNCTION__); \ -+ } while (0) -+#else -+#define DP(format, args...) -+#define IP_SET_ASSERT(x) -+#endif -+ -+struct ip_set; -+ -+/* -+ * The ip_set_type definition - one per set type, e.g. "ipmap". -+ * -+ * Each individual set has a pointer, set->type, going to one -+ * of these structures. Function pointers inside the structure implement -+ * the real behaviour of the sets. -+ * -+ * If not mentioned differently, the implementation behind the function -+ * pointers of a set_type, is expected to return 0 if ok, and a negative -+ * errno (e.g. -EINVAL) on error. -+ */ -+struct ip_set_type { -+ struct list_head list; /* next in list of set types */ -+ -+ /* test for IP in set (kernel: iptables -m set src|dst) -+ * return 0 if not in set, 1 if in set. -+ */ -+ int (*testip_kernel) (struct ip_set *set, -+ const struct sk_buff * skb, -+ ip_set_ip_t *ip, -+ const u_int32_t *flags, -+ unsigned char index); -+ -+ /* test for IP in set (userspace: ipset -T set IP) -+ * return 0 if not in set, 1 if in set. -+ */ -+ int (*testip) (struct ip_set *set, -+ const void *data, u_int32_t size, -+ ip_set_ip_t *ip); -+ -+ /* -+ * Size of the data structure passed by when -+ * adding/deletin/testing an entry. -+ */ -+ u_int32_t reqsize; -+ -+ /* Add IP into set (userspace: ipset -A set IP) -+ * Return -EEXIST if the address is already in the set, -+ * and -ERANGE if the address lies outside the set bounds. -+ * If the address was not already in the set, 0 is returned. -+ */ -+ int (*addip) (struct ip_set *set, -+ const void *data, u_int32_t size, -+ ip_set_ip_t *ip); -+ -+ /* Add IP into set (kernel: iptables ... -j SET set src|dst) -+ * Return -EEXIST if the address is already in the set, -+ * and -ERANGE if the address lies outside the set bounds. -+ * If the address was not already in the set, 0 is returned. -+ */ -+ int (*addip_kernel) (struct ip_set *set, -+ const struct sk_buff * skb, -+ ip_set_ip_t *ip, -+ const u_int32_t *flags, -+ unsigned char index); -+ -+ /* remove IP from set (userspace: ipset -D set --entry x) -+ * Return -EEXIST if the address is NOT in the set, -+ * and -ERANGE if the address lies outside the set bounds. -+ * If the address really was in the set, 0 is returned. -+ */ -+ int (*delip) (struct ip_set *set, -+ const void *data, u_int32_t size, -+ ip_set_ip_t *ip); -+ -+ /* remove IP from set (kernel: iptables ... -j SET --entry x) -+ * Return -EEXIST if the address is NOT in the set, -+ * and -ERANGE if the address lies outside the set bounds. -+ * If the address really was in the set, 0 is returned. -+ */ -+ int (*delip_kernel) (struct ip_set *set, -+ const struct sk_buff * skb, -+ ip_set_ip_t *ip, -+ const u_int32_t *flags, -+ unsigned char index); -+ -+ /* new set creation - allocated type specific items -+ */ -+ int (*create) (struct ip_set *set, -+ const void *data, u_int32_t size); -+ -+ /* retry the operation after successfully tweaking the set -+ */ -+ int (*retry) (struct ip_set *set); -+ -+ /* set destruction - free type specific items -+ * There is no return value. -+ * Can be called only when child sets are destroyed. -+ */ -+ void (*destroy) (struct ip_set *set); -+ -+ /* set flushing - reset all bits in the set, or something similar. -+ * There is no return value. -+ */ -+ void (*flush) (struct ip_set *set); -+ -+ /* Listing: size needed for header -+ */ -+ u_int32_t header_size; -+ -+ /* Listing: Get the header -+ * -+ * Fill in the information in "data". -+ * This function is always run after list_header_size() under a -+ * writelock on the set. Therefor is the length of "data" always -+ * correct. -+ */ -+ void (*list_header) (const struct ip_set *set, -+ void *data); -+ -+ /* Listing: Get the size for the set members -+ */ -+ int (*list_members_size) (const struct ip_set *set); -+ -+ /* Listing: Get the set members -+ * -+ * Fill in the information in "data". -+ * This function is always run after list_member_size() under a -+ * writelock on the set. Therefor is the length of "data" always -+ * correct. -+ */ -+ void (*list_members) (const struct ip_set *set, -+ void *data); -+ -+ char typename[IP_SET_MAXNAMELEN]; -+ unsigned char features; -+ int protocol_version; -+ -+ /* Set this to THIS_MODULE if you are a module, otherwise NULL */ -+ struct module *me; -+}; -+ -+extern int ip_set_register_set_type(struct ip_set_type *set_type); -+extern void ip_set_unregister_set_type(struct ip_set_type *set_type); -+ -+/* A generic ipset */ -+struct ip_set { -+ char name[IP_SET_MAXNAMELEN]; /* the name of the set */ -+ rwlock_t lock; /* lock for concurrency control */ -+ ip_set_id_t id; /* set id for swapping */ -+ ip_set_id_t binding; /* default binding for the set */ -+ atomic_t ref; /* in kernel and in hash references */ -+ struct ip_set_type *type; /* the set types */ -+ void *data; /* pooltype specific data */ -+}; -+ -+/* Structure to bind set elements to sets */ -+struct ip_set_hash { -+ struct list_head list; /* list of clashing entries in hash */ -+ ip_set_ip_t ip; /* ip from set */ -+ ip_set_id_t id; /* set id */ -+ ip_set_id_t binding; /* set we bind the element to */ -+}; -+ -+/* register and unregister set references */ -+extern ip_set_id_t ip_set_get_byname(const char name[IP_SET_MAXNAMELEN]); -+extern ip_set_id_t ip_set_get_byindex(ip_set_id_t index); -+extern void ip_set_put_byindex(ip_set_id_t index); -+extern ip_set_id_t ip_set_id(ip_set_id_t index); -+extern ip_set_id_t __ip_set_get_byname(const char name[IP_SET_MAXNAMELEN], -+ struct ip_set **set); -+extern void __ip_set_put_byindex(ip_set_id_t index); -+ -+/* API for iptables set match, and SET target */ -+extern int ip_set_addip_kernel(ip_set_id_t id, -+ const struct sk_buff *skb, -+ const u_int32_t *flags); -+extern int ip_set_delip_kernel(ip_set_id_t id, -+ const struct sk_buff *skb, -+ const u_int32_t *flags); -+extern int ip_set_testip_kernel(ip_set_id_t id, -+ const struct sk_buff *skb, -+ const u_int32_t *flags); -+ -+/* Macros to generate functions */ -+ -+#define STRUCT(pre, type) CONCAT2(pre, type) -+#define CONCAT2(pre, type) struct pre##type -+ -+#define FNAME(pre, mid, post) CONCAT3(pre, mid, post) -+#define CONCAT3(pre, mid, post) pre##mid##post -+ -+#define UADT0(type, adt, args...) \ -+static int \ -+FNAME(type,_u,adt)(struct ip_set *set, const void *data, u_int32_t size,\ -+ ip_set_ip_t *hash_ip) \ -+{ \ -+ const STRUCT(ip_set_req_,type) *req = data; \ -+ \ -+ return FNAME(type,_,adt)(set, hash_ip , ## args); \ -+} -+ -+#define UADT(type, adt, args...) \ -+ UADT0(type, adt, req->ip , ## args) -+ -+#define KADT(type, adt, getfn, args...) \ -+static int \ -+FNAME(type,_k,adt)(struct ip_set *set, \ -+ const struct sk_buff *skb, \ -+ ip_set_ip_t *hash_ip, \ -+ const u_int32_t *flags, \ -+ unsigned char index) \ -+{ \ -+ ip_set_ip_t ip = getfn(skb, flags[index]); \ -+ \ -+ KADT_CONDITION \ -+ return FNAME(type,_,adt)(set, hash_ip, ip , ##args); \ -+} -+ -+#define REGISTER_MODULE(type) \ -+static int __init ip_set_##type##_init(void) \ -+{ \ -+ init_max_page_size(); \ -+ return ip_set_register_set_type(&ip_set_##type); \ -+} \ -+ \ -+static void __exit ip_set_##type##_fini(void) \ -+{ \ -+ /* FIXME: possible race with ip_set_create() */ \ -+ ip_set_unregister_set_type(&ip_set_##type); \ -+} \ -+ \ -+module_init(ip_set_##type##_init); \ -+module_exit(ip_set_##type##_fini); -+ -+/* Common functions */ -+ -+static inline ip_set_ip_t -+ipaddr(const struct sk_buff *skb, u_int32_t flag) -+{ -+ return ntohl(flag & IPSET_SRC ? ip_hdr(skb)->saddr : ip_hdr(skb)->daddr); -+} -+ -+#define jhash_ip(map, i, ip) jhash_1word(ip, *(map->initval + i)) -+ -+#define pack_ip_port(map, ip, port) \ -+ (port + ((ip - ((map)->first_ip)) << 16)) -+ -+#endif /* __KERNEL__ */ -+ -+#endif /*_IP_SET_H*/ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_bitmaps.h -@@ -0,0 +1,121 @@ -+#ifndef __IP_SET_BITMAPS_H -+#define __IP_SET_BITMAPS_H -+ -+/* Macros to generate functions */ -+ -+#ifdef __KERNEL__ -+#define BITMAP_CREATE(type) \ -+static int \ -+type##_create(struct ip_set *set, const void *data, u_int32_t size) \ -+{ \ -+ int newbytes; \ -+ const struct ip_set_req_##type##_create *req = data; \ -+ struct ip_set_##type *map; \ -+ \ -+ if (req->from > req->to) { \ -+ DP("bad range"); \ -+ return -ENOEXEC; \ -+ } \ -+ \ -+ map = kmalloc(sizeof(struct ip_set_##type), GFP_KERNEL); \ -+ if (!map) { \ -+ DP("out of memory for %zu bytes", \ -+ sizeof(struct ip_set_##type)); \ -+ return -ENOMEM; \ -+ } \ -+ map->first_ip = req->from; \ -+ map->last_ip = req->to; \ -+ \ -+ newbytes = __##type##_create(req, map); \ -+ if (newbytes < 0) { \ -+ kfree(map); \ -+ return newbytes; \ -+ } \ -+ \ -+ map->size = newbytes; \ -+ map->members = ip_set_malloc(newbytes); \ -+ if (!map->members) { \ -+ DP("out of memory for %i bytes", newbytes); \ -+ kfree(map); \ -+ return -ENOMEM; \ -+ } \ -+ memset(map->members, 0, newbytes); \ -+ \ -+ set->data = map; \ -+ return 0; \ -+} -+ -+#define BITMAP_DESTROY(type) \ -+static void \ -+type##_destroy(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data; \ -+ \ -+ ip_set_free(map->members, map->size); \ -+ kfree(map); \ -+ \ -+ set->data = NULL; \ -+} -+ -+#define BITMAP_FLUSH(type) \ -+static void \ -+type##_flush(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data; \ -+ memset(map->members, 0, map->size); \ -+} -+ -+#define BITMAP_LIST_HEADER(type) \ -+static void \ -+type##_list_header(const struct ip_set *set, void *data) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ struct ip_set_req_##type##_create *header = data; \ -+ \ -+ header->from = map->first_ip; \ -+ header->to = map->last_ip; \ -+ __##type##_list_header(map, header); \ -+} -+ -+#define BITMAP_LIST_MEMBERS_SIZE(type) \ -+static int \ -+type##_list_members_size(const struct ip_set *set) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ \ -+ return map->size; \ -+} -+ -+#define BITMAP_LIST_MEMBERS(type) \ -+static void \ -+type##_list_members(const struct ip_set *set, void *data) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ \ -+ memcpy(data, map->members, map->size); \ -+} -+ -+#define IP_SET_TYPE(type, __features) \ -+struct ip_set_type ip_set_##type = { \ -+ .typename = #type, \ -+ .features = __features, \ -+ .protocol_version = IP_SET_PROTOCOL_VERSION, \ -+ .create = &type##_create, \ -+ .destroy = &type##_destroy, \ -+ .flush = &type##_flush, \ -+ .reqsize = sizeof(struct ip_set_req_##type), \ -+ .addip = &type##_uadd, \ -+ .addip_kernel = &type##_kadd, \ -+ .delip = &type##_udel, \ -+ .delip_kernel = &type##_kdel, \ -+ .testip = &type##_utest, \ -+ .testip_kernel = &type##_ktest, \ -+ .header_size = sizeof(struct ip_set_req_##type##_create),\ -+ .list_header = &type##_list_header, \ -+ .list_members_size = &type##_list_members_size, \ -+ .list_members = &type##_list_members, \ -+ .me = THIS_MODULE, \ -+}; -+#endif /* __KERNEL */ -+ -+#endif /* __IP_SET_BITMAPS_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_compat.h -@@ -0,0 +1,71 @@ -+#ifndef _IP_SET_COMPAT_H -+#define _IP_SET_COMPAT_H -+ -+#ifdef __KERNEL__ -+#include <linux/version.h> -+ -+/* Arrgh */ -+#ifdef MODULE -+#define __MOD_INC(foo) __MOD_INC_USE_COUNT(foo) -+#define __MOD_DEC(foo) __MOD_DEC_USE_COUNT(foo) -+#else -+#define __MOD_INC(foo) 1 -+#define __MOD_DEC(foo) -+#endif -+ -+/* Backward compatibility */ -+#ifndef __nocast -+#define __nocast -+#endif -+#ifndef __bitwise__ -+#define __bitwise__ -+#endif -+ -+/* Compatibility glue code */ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) -+#include <linux/interrupt.h> -+#define DEFINE_RWLOCK(x) rwlock_t x = RW_LOCK_UNLOCKED -+#define try_module_get(x) __MOD_INC(x) -+#define module_put(x) __MOD_DEC(x) -+#define __clear_bit(nr, addr) clear_bit(nr, addr) -+#define __set_bit(nr, addr) set_bit(nr, addr) -+#define __test_and_set_bit(nr, addr) test_and_set_bit(nr, addr) -+#define __test_and_clear_bit(nr, addr) test_and_clear_bit(nr, addr) -+ -+typedef unsigned __bitwise__ gfp_t; -+ -+static inline void *kzalloc(size_t size, gfp_t flags) -+{ -+ void *data = kmalloc(size, flags); -+ -+ if (data) -+ memset(data, 0, size); -+ -+ return data; -+} -+#endif -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+#define __KMEM_CACHE_T__ kmem_cache_t -+#else -+#define __KMEM_CACHE_T__ struct kmem_cache -+#endif -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22) -+#define ip_hdr(skb) ((skb)->nh.iph) -+#define skb_mac_header(skb) ((skb)->mac.raw) -+#define eth_hdr(skb) ((struct ethhdr *)skb_mac_header(skb)) -+#endif -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -+#include <linux/netfilter.h> -+#define KMEM_CACHE_CREATE(name, size) \ -+ kmem_cache_create(name, size, 0, 0, NULL, NULL) -+#else -+#define KMEM_CACHE_CREATE(name, size) \ -+ kmem_cache_create(name, size, 0, 0, NULL) -+#endif -+ -+ -+#endif /* __KERNEL__ */ -+#endif /* _IP_SET_COMPAT_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_getport.h -@@ -0,0 +1,48 @@ -+#ifndef _IP_SET_GETPORT_H -+#define _IP_SET_GETPORT_H -+ -+#ifdef __KERNEL__ -+ -+#define INVALID_PORT (MAX_RANGE + 1) -+ -+/* We must handle non-linear skbs */ -+static inline ip_set_ip_t -+get_port(const struct sk_buff *skb, u_int32_t flags) -+{ -+ struct iphdr *iph = ip_hdr(skb); -+ u_int16_t offset = ntohs(iph->frag_off) & IP_OFFSET; -+ switch (iph->protocol) { -+ case IPPROTO_TCP: { -+ struct tcphdr tcph; -+ -+ /* See comments at tcp_match in ip_tables.c */ -+ if (offset) -+ return INVALID_PORT; -+ -+ if (skb_copy_bits(skb, ip_hdr(skb)->ihl*4, &tcph, sizeof(tcph)) < 0) -+ /* No choice either */ -+ return INVALID_PORT; -+ -+ return ntohs(flags & IPSET_SRC ? -+ tcph.source : tcph.dest); -+ } -+ case IPPROTO_UDP: { -+ struct udphdr udph; -+ -+ if (offset) -+ return INVALID_PORT; -+ -+ if (skb_copy_bits(skb, ip_hdr(skb)->ihl*4, &udph, sizeof(udph)) < 0) -+ /* No choice either */ -+ return INVALID_PORT; -+ -+ return ntohs(flags & IPSET_SRC ? -+ udph.source : udph.dest); -+ } -+ default: -+ return INVALID_PORT; -+ } -+} -+#endif /* __KERNEL__ */ -+ -+#endif /*_IP_SET_GETPORT_H*/ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_hashes.h -@@ -0,0 +1,306 @@ -+#ifndef __IP_SET_HASHES_H -+#define __IP_SET_HASHES_H -+ -+#define initval_t uint32_t -+ -+/* Macros to generate functions */ -+ -+#ifdef __KERNEL__ -+#define HASH_RETRY0(type, dtype, cond) \ -+static int \ -+type##_retry(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data, *tmp; \ -+ dtype *elem; \ -+ void *members; \ -+ u_int32_t i, hashsize = map->hashsize; \ -+ int res; \ -+ \ -+ if (map->resize == 0) \ -+ return -ERANGE; \ -+ \ -+ again: \ -+ res = 0; \ -+ \ -+ /* Calculate new hash size */ \ -+ hashsize += (hashsize * map->resize)/100; \ -+ if (hashsize == map->hashsize) \ -+ hashsize++; \ -+ \ -+ ip_set_printk("rehashing of set %s triggered: " \ -+ "hashsize grows from %lu to %lu", \ -+ set->name, \ -+ (long unsigned)map->hashsize, \ -+ (long unsigned)hashsize); \ -+ \ -+ tmp = kmalloc(sizeof(struct ip_set_##type) \ -+ + map->probes * sizeof(initval_t), GFP_ATOMIC); \ -+ if (!tmp) { \ -+ DP("out of memory for %zu bytes", \ -+ sizeof(struct ip_set_##type) \ -+ + map->probes * sizeof(initval_t)); \ -+ return -ENOMEM; \ -+ } \ -+ tmp->members = harray_malloc(hashsize, sizeof(dtype), GFP_ATOMIC);\ -+ if (!tmp->members) { \ -+ DP("out of memory for %zu bytes", hashsize * sizeof(dtype));\ -+ kfree(tmp); \ -+ return -ENOMEM; \ -+ } \ -+ tmp->hashsize = hashsize; \ -+ tmp->elements = 0; \ -+ tmp->probes = map->probes; \ -+ tmp->resize = map->resize; \ -+ memcpy(tmp->initval, map->initval, map->probes * sizeof(initval_t));\ -+ __##type##_retry(tmp, map); \ -+ \ -+ write_lock_bh(&set->lock); \ -+ map = set->data; /* Play safe */ \ -+ for (i = 0; i < map->hashsize && res == 0; i++) { \ -+ elem = HARRAY_ELEM(map->members, dtype *, i); \ -+ if (cond) \ -+ res = __##type##_add(tmp, elem); \ -+ } \ -+ if (res) { \ -+ /* Failure, try again */ \ -+ write_unlock_bh(&set->lock); \ -+ harray_free(tmp->members); \ -+ kfree(tmp); \ -+ goto again; \ -+ } \ -+ \ -+ /* Success at resizing! */ \ -+ members = map->members; \ -+ \ -+ map->hashsize = tmp->hashsize; \ -+ map->members = tmp->members; \ -+ write_unlock_bh(&set->lock); \ -+ \ -+ harray_free(members); \ -+ kfree(tmp); \ -+ \ -+ return 0; \ -+} -+ -+#define HASH_RETRY(type, dtype) \ -+ HASH_RETRY0(type, dtype, *elem) -+ -+#define HASH_RETRY2(type, dtype) \ -+ HASH_RETRY0(type, dtype, elem->ip || elem->ip1) -+ -+#define HASH_CREATE(type, dtype) \ -+static int \ -+type##_create(struct ip_set *set, const void *data, u_int32_t size) \ -+{ \ -+ const struct ip_set_req_##type##_create *req = data; \ -+ struct ip_set_##type *map; \ -+ uint16_t i; \ -+ \ -+ if (req->hashsize < 1) { \ -+ ip_set_printk("hashsize too small"); \ -+ return -ENOEXEC; \ -+ } \ -+ \ -+ if (req->probes < 1) { \ -+ ip_set_printk("probes too small"); \ -+ return -ENOEXEC; \ -+ } \ -+ \ -+ map = kmalloc(sizeof(struct ip_set_##type) \ -+ + req->probes * sizeof(initval_t), GFP_KERNEL); \ -+ if (!map) { \ -+ DP("out of memory for %zu bytes", \ -+ sizeof(struct ip_set_##type) \ -+ + req->probes * sizeof(initval_t)); \ -+ return -ENOMEM; \ -+ } \ -+ for (i = 0; i < req->probes; i++) \ -+ get_random_bytes(((initval_t *) map->initval)+i, 4); \ -+ map->elements = 0; \ -+ map->hashsize = req->hashsize; \ -+ map->probes = req->probes; \ -+ map->resize = req->resize; \ -+ if (__##type##_create(req, map)) { \ -+ kfree(map); \ -+ return -ENOEXEC; \ -+ } \ -+ map->members = harray_malloc(map->hashsize, sizeof(dtype), GFP_KERNEL);\ -+ if (!map->members) { \ -+ DP("out of memory for %zu bytes", map->hashsize * sizeof(dtype));\ -+ kfree(map); \ -+ return -ENOMEM; \ -+ } \ -+ \ -+ set->data = map; \ -+ return 0; \ -+} -+ -+#define HASH_DESTROY(type) \ -+static void \ -+type##_destroy(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data; \ -+ \ -+ harray_free(map->members); \ -+ kfree(map); \ -+ \ -+ set->data = NULL; \ -+} -+ -+#define HASH_FLUSH(type, dtype) \ -+static void \ -+type##_flush(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data; \ -+ harray_flush(map->members, map->hashsize, sizeof(dtype)); \ -+ map->elements = 0; \ -+} -+ -+#define HASH_FLUSH_CIDR(type, dtype) \ -+static void \ -+type##_flush(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data; \ -+ harray_flush(map->members, map->hashsize, sizeof(dtype)); \ -+ memset(map->cidr, 0, sizeof(map->cidr)); \ -+ memset(map->nets, 0, sizeof(map->nets)); \ -+ map->elements = 0; \ -+} -+ -+#define HASH_LIST_HEADER(type) \ -+static void \ -+type##_list_header(const struct ip_set *set, void *data) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ struct ip_set_req_##type##_create *header = data; \ -+ \ -+ header->hashsize = map->hashsize; \ -+ header->probes = map->probes; \ -+ header->resize = map->resize; \ -+ __##type##_list_header(map, header); \ -+} -+ -+#define HASH_LIST_MEMBERS_SIZE(type, dtype) \ -+static int \ -+type##_list_members_size(const struct ip_set *set) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ \ -+ return (map->hashsize * sizeof(dtype)); \ -+} -+ -+#define HASH_LIST_MEMBERS(type, dtype) \ -+static void \ -+type##_list_members(const struct ip_set *set, void *data) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ dtype *elem; \ -+ uint32_t i; \ -+ \ -+ for (i = 0; i < map->hashsize; i++) { \ -+ elem = HARRAY_ELEM(map->members, dtype *, i); \ -+ ((dtype *)data)[i] = *elem; \ -+ } \ -+} -+ -+#define HASH_LIST_MEMBERS_MEMCPY(type, dtype) \ -+static void \ -+type##_list_members(const struct ip_set *set, void *data) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ dtype *elem; \ -+ uint32_t i; \ -+ \ -+ for (i = 0; i < map->hashsize; i++) { \ -+ elem = HARRAY_ELEM(map->members, dtype *, i); \ -+ memcpy((((dtype *)data)+i), elem, sizeof(dtype)); \ -+ } \ -+} -+ -+#define IP_SET_RTYPE(type, __features) \ -+struct ip_set_type ip_set_##type = { \ -+ .typename = #type, \ -+ .features = __features, \ -+ .protocol_version = IP_SET_PROTOCOL_VERSION, \ -+ .create = &type##_create, \ -+ .retry = &type##_retry, \ -+ .destroy = &type##_destroy, \ -+ .flush = &type##_flush, \ -+ .reqsize = sizeof(struct ip_set_req_##type), \ -+ .addip = &type##_uadd, \ -+ .addip_kernel = &type##_kadd, \ -+ .delip = &type##_udel, \ -+ .delip_kernel = &type##_kdel, \ -+ .testip = &type##_utest, \ -+ .testip_kernel = &type##_ktest, \ -+ .header_size = sizeof(struct ip_set_req_##type##_create),\ -+ .list_header = &type##_list_header, \ -+ .list_members_size = &type##_list_members_size, \ -+ .list_members = &type##_list_members, \ -+ .me = THIS_MODULE, \ -+}; -+ -+/* Helper functions */ -+static inline void -+add_cidr_size(uint8_t *cidr, uint8_t size) -+{ -+ uint8_t next; -+ int i; -+ -+ for (i = 0; i < 30 && cidr[i]; i++) { -+ if (cidr[i] < size) { -+ next = cidr[i]; -+ cidr[i] = size; -+ size = next; -+ } -+ } -+ if (i < 30) -+ cidr[i] = size; -+} -+ -+static inline void -+del_cidr_size(uint8_t *cidr, uint8_t size) -+{ -+ int i; -+ -+ for (i = 0; i < 29 && cidr[i]; i++) { -+ if (cidr[i] == size) -+ cidr[i] = size = cidr[i+1]; -+ } -+ cidr[29] = 0; -+} -+#else -+#include <arpa/inet.h> -+#endif /* __KERNEL */ -+ -+#ifndef UINT16_MAX -+#define UINT16_MAX 65535 -+#endif -+ -+static unsigned char shifts[] = {255, 253, 249, 241, 225, 193, 129, 1}; -+ -+static inline ip_set_ip_t -+pack_ip_cidr(ip_set_ip_t ip, unsigned char cidr) -+{ -+ ip_set_ip_t addr, *paddr = &addr; -+ unsigned char n, t, *a; -+ -+ addr = htonl(ip & (0xFFFFFFFF << (32 - (cidr)))); -+#ifdef __KERNEL__ -+ DP("ip:%u.%u.%u.%u/%u", NIPQUAD(addr), cidr); -+#endif -+ n = cidr / 8; -+ t = cidr % 8; -+ a = &((unsigned char *)paddr)[n]; -+ *a = *a /(1 << (8 - t)) + shifts[t]; -+#ifdef __KERNEL__ -+ DP("n: %u, t: %u, a: %u", n, t, *a); -+ DP("ip:%u.%u.%u.%u/%u, %u.%u.%u.%u", -+ HIPQUAD(ip), cidr, NIPQUAD(addr)); -+#endif -+ -+ return ntohl(addr); -+} -+ -+ -+#endif /* __IP_SET_HASHES_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_iphash.h -@@ -0,0 +1,30 @@ -+#ifndef __IP_SET_IPHASH_H -+#define __IP_SET_IPHASH_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_hashes.h> -+ -+#define SETTYPE_NAME "iphash" -+ -+struct ip_set_iphash { -+ ip_set_ip_t *members; /* the iphash proper */ -+ uint32_t elements; /* number of elements */ -+ uint32_t hashsize; /* hash size */ -+ uint16_t probes; /* max number of probes */ -+ uint16_t resize; /* resize factor in percent */ -+ ip_set_ip_t netmask; /* netmask */ -+ initval_t initval[0]; /* initvals for jhash_1word */ -+}; -+ -+struct ip_set_req_iphash_create { -+ uint32_t hashsize; -+ uint16_t probes; -+ uint16_t resize; -+ ip_set_ip_t netmask; -+}; -+ -+struct ip_set_req_iphash { -+ ip_set_ip_t ip; -+}; -+ -+#endif /* __IP_SET_IPHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_ipmap.h -@@ -0,0 +1,57 @@ -+#ifndef __IP_SET_IPMAP_H -+#define __IP_SET_IPMAP_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+ -+#define SETTYPE_NAME "ipmap" -+ -+struct ip_set_ipmap { -+ void *members; /* the ipmap proper */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ ip_set_ip_t netmask; /* subnet netmask */ -+ ip_set_ip_t sizeid; /* size of set in IPs */ -+ ip_set_ip_t hosts; /* number of hosts in a subnet */ -+ u_int32_t size; /* size of the ipmap proper */ -+}; -+ -+struct ip_set_req_ipmap_create { -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+ ip_set_ip_t netmask; -+}; -+ -+struct ip_set_req_ipmap { -+ ip_set_ip_t ip; -+}; -+ -+static inline unsigned int -+mask_to_bits(ip_set_ip_t mask) -+{ -+ unsigned int bits = 32; -+ ip_set_ip_t maskaddr; -+ -+ if (mask == 0xFFFFFFFF) -+ return bits; -+ -+ maskaddr = 0xFFFFFFFE; -+ while (--bits > 0 && maskaddr != mask) -+ maskaddr <<= 1; -+ -+ return bits; -+} -+ -+static inline ip_set_ip_t -+range_to_mask(ip_set_ip_t from, ip_set_ip_t to, unsigned int *bits) -+{ -+ ip_set_ip_t mask = 0xFFFFFFFE; -+ -+ *bits = 32; -+ while (--(*bits) > 0 && mask && (to & mask) != from) -+ mask <<= 1; -+ -+ return mask; -+} -+ -+#endif /* __IP_SET_IPMAP_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_ipporthash.h -@@ -0,0 +1,33 @@ -+#ifndef __IP_SET_IPPORTHASH_H -+#define __IP_SET_IPPORTHASH_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_hashes.h> -+ -+#define SETTYPE_NAME "ipporthash" -+ -+struct ip_set_ipporthash { -+ ip_set_ip_t *members; /* the ipporthash proper */ -+ uint32_t elements; /* number of elements */ -+ uint32_t hashsize; /* hash size */ -+ uint16_t probes; /* max number of probes */ -+ uint16_t resize; /* resize factor in percent */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ initval_t initval[0]; /* initvals for jhash_1word */ -+}; -+ -+struct ip_set_req_ipporthash_create { -+ uint32_t hashsize; -+ uint16_t probes; -+ uint16_t resize; -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+}; -+ -+struct ip_set_req_ipporthash { -+ ip_set_ip_t ip; -+ ip_set_ip_t port; -+}; -+ -+#endif /* __IP_SET_IPPORTHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_ipportiphash.h -@@ -0,0 +1,39 @@ -+#ifndef __IP_SET_IPPORTIPHASH_H -+#define __IP_SET_IPPORTIPHASH_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_hashes.h> -+ -+#define SETTYPE_NAME "ipportiphash" -+ -+struct ipportip { -+ ip_set_ip_t ip; -+ ip_set_ip_t ip1; -+}; -+ -+struct ip_set_ipportiphash { -+ struct ipportip *members; /* the ipportip proper */ -+ uint32_t elements; /* number of elements */ -+ uint32_t hashsize; /* hash size */ -+ uint16_t probes; /* max number of probes */ -+ uint16_t resize; /* resize factor in percent */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ initval_t initval[0]; /* initvals for jhash_1word */ -+}; -+ -+struct ip_set_req_ipportiphash_create { -+ uint32_t hashsize; -+ uint16_t probes; -+ uint16_t resize; -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+}; -+ -+struct ip_set_req_ipportiphash { -+ ip_set_ip_t ip; -+ ip_set_ip_t port; -+ ip_set_ip_t ip1; -+}; -+ -+#endif /* __IP_SET_IPPORTIPHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_ipportnethash.h -@@ -0,0 +1,42 @@ -+#ifndef __IP_SET_IPPORTNETHASH_H -+#define __IP_SET_IPPORTNETHASH_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_hashes.h> -+ -+#define SETTYPE_NAME "ipportnethash" -+ -+struct ipportip { -+ ip_set_ip_t ip; -+ ip_set_ip_t ip1; -+}; -+ -+struct ip_set_ipportnethash { -+ struct ipportip *members; /* the ipportip proper */ -+ uint32_t elements; /* number of elements */ -+ uint32_t hashsize; /* hash size */ -+ uint16_t probes; /* max number of probes */ -+ uint16_t resize; /* resize factor in percent */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ uint8_t cidr[30]; /* CIDR sizes */ -+ uint16_t nets[30]; /* nr of nets by CIDR sizes */ -+ initval_t initval[0]; /* initvals for jhash_1word */ -+}; -+ -+struct ip_set_req_ipportnethash_create { -+ uint32_t hashsize; -+ uint16_t probes; -+ uint16_t resize; -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+}; -+ -+struct ip_set_req_ipportnethash { -+ ip_set_ip_t ip; -+ ip_set_ip_t port; -+ ip_set_ip_t ip1; -+ uint8_t cidr; -+}; -+ -+#endif /* __IP_SET_IPPORTNETHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_iptree.h -@@ -0,0 +1,39 @@ -+#ifndef __IP_SET_IPTREE_H -+#define __IP_SET_IPTREE_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+#define SETTYPE_NAME "iptree" -+ -+struct ip_set_iptreed { -+ unsigned long expires[256]; /* x.x.x.ADDR */ -+}; -+ -+struct ip_set_iptreec { -+ struct ip_set_iptreed *tree[256]; /* x.x.ADDR.* */ -+}; -+ -+struct ip_set_iptreeb { -+ struct ip_set_iptreec *tree[256]; /* x.ADDR.*.* */ -+}; -+ -+struct ip_set_iptree { -+ unsigned int timeout; -+ unsigned int gc_interval; -+#ifdef __KERNEL__ -+ uint32_t elements; /* number of elements */ -+ struct timer_list gc; -+ struct ip_set_iptreeb *tree[256]; /* ADDR.*.*.* */ -+#endif -+}; -+ -+struct ip_set_req_iptree_create { -+ unsigned int timeout; -+}; -+ -+struct ip_set_req_iptree { -+ ip_set_ip_t ip; -+ unsigned int timeout; -+}; -+ -+#endif /* __IP_SET_IPTREE_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_iptreemap.h -@@ -0,0 +1,40 @@ -+#ifndef __IP_SET_IPTREEMAP_H -+#define __IP_SET_IPTREEMAP_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+#define SETTYPE_NAME "iptreemap" -+ -+#ifdef __KERNEL__ -+struct ip_set_iptreemap_d { -+ unsigned char bitmap[32]; /* x.x.x.y */ -+}; -+ -+struct ip_set_iptreemap_c { -+ struct ip_set_iptreemap_d *tree[256]; /* x.x.y.x */ -+}; -+ -+struct ip_set_iptreemap_b { -+ struct ip_set_iptreemap_c *tree[256]; /* x.y.x.x */ -+ unsigned char dirty[32]; -+}; -+#endif -+ -+struct ip_set_iptreemap { -+ unsigned int gc_interval; -+#ifdef __KERNEL__ -+ struct timer_list gc; -+ struct ip_set_iptreemap_b *tree[256]; /* y.x.x.x */ -+#endif -+}; -+ -+struct ip_set_req_iptreemap_create { -+ unsigned int gc_interval; -+}; -+ -+struct ip_set_req_iptreemap { -+ ip_set_ip_t ip; -+ ip_set_ip_t end; -+}; -+ -+#endif /* __IP_SET_IPTREEMAP_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_jhash.h -@@ -0,0 +1,157 @@ -+#ifndef _LINUX_JHASH_H -+#define _LINUX_JHASH_H -+ -+/* jhash.h: Jenkins hash support. -+ * -+ * Copyright (C) 2006. Bob Jenkins (bob_jenkins@burtleburtle.net) -+ * -+ * http://burtleburtle.net/bob/hash/ -+ * -+ * These are the credits from Bob's sources: -+ * -+ * lookup3.c, by Bob Jenkins, May 2006, Public Domain. -+ * -+ * These are functions for producing 32-bit hashes for hash table lookup. -+ * hashword(), hashlittle(), hashlittle2(), hashbig(), mix(), and final() -+ * are externally useful functions. Routines to test the hash are included -+ * if SELF_TEST is defined. You can use this free for any purpose. It's in -+ * the public domain. It has no warranty. -+ * -+ * Copyright (C) 2009 Jozsef Kadlecsik (kadlec@blackhole.kfki.hu) -+ * -+ * I've modified Bob's hash to be useful in the Linux kernel, and -+ * any bugs present are my fault. Jozsef -+ */ -+ -+#define __rot(x,k) (((x)<<(k)) | ((x)>>(32-(k)))) -+ -+/* __jhash_mix - mix 3 32-bit values reversibly. */ -+#define __jhash_mix(a,b,c) \ -+{ \ -+ a -= c; a ^= __rot(c, 4); c += b; \ -+ b -= a; b ^= __rot(a, 6); a += c; \ -+ c -= b; c ^= __rot(b, 8); b += a; \ -+ a -= c; a ^= __rot(c,16); c += b; \ -+ b -= a; b ^= __rot(a,19); a += c; \ -+ c -= b; c ^= __rot(b, 4); b += a; \ -+} -+ -+/* __jhash_final - final mixing of 3 32-bit values (a,b,c) into c */ -+#define __jhash_final(a,b,c) \ -+{ \ -+ c ^= b; c -= __rot(b,14); \ -+ a ^= c; a -= __rot(c,11); \ -+ b ^= a; b -= __rot(a,25); \ -+ c ^= b; c -= __rot(b,16); \ -+ a ^= c; a -= __rot(c,4); \ -+ b ^= a; b -= __rot(a,14); \ -+ c ^= b; c -= __rot(b,24); \ -+} -+ -+/* The golden ration: an arbitrary value */ -+#define JHASH_GOLDEN_RATIO 0xdeadbeef -+ -+/* The most generic version, hashes an arbitrary sequence -+ * of bytes. No alignment or length assumptions are made about -+ * the input key. The result depends on endianness. -+ */ -+static inline u32 jhash(const void *key, u32 length, u32 initval) -+{ -+ u32 a,b,c; -+ const u8 *k = key; -+ -+ /* Set up the internal state */ -+ a = b = c = JHASH_GOLDEN_RATIO + length + initval; -+ -+ /* all but the last block: affect some 32 bits of (a,b,c) */ -+ while (length > 12) { -+ a += (k[0] + ((u32)k[1]<<8) + ((u32)k[2]<<16) + ((u32)k[3]<<24)); -+ b += (k[4] + ((u32)k[5]<<8) + ((u32)k[6]<<16) + ((u32)k[7]<<24)); -+ c += (k[8] + ((u32)k[9]<<8) + ((u32)k[10]<<16) + ((u32)k[11]<<24)); -+ __jhash_mix(a, b, c); -+ length -= 12; -+ k += 12; -+ } -+ -+ /* last block: affect all 32 bits of (c) */ -+ /* all the case statements fall through */ -+ switch (length) { -+ case 12: c += (u32)k[11]<<24; -+ case 11: c += (u32)k[10]<<16; -+ case 10: c += (u32)k[9]<<8; -+ case 9 : c += k[8]; -+ case 8 : b += (u32)k[7]<<24; -+ case 7 : b += (u32)k[6]<<16; -+ case 6 : b += (u32)k[5]<<8; -+ case 5 : b += k[4]; -+ case 4 : a += (u32)k[3]<<24; -+ case 3 : a += (u32)k[2]<<16; -+ case 2 : a += (u32)k[1]<<8; -+ case 1 : a += k[0]; -+ __jhash_final(a, b, c); -+ case 0 : -+ break; -+ } -+ -+ return c; -+} -+ -+/* A special optimized version that handles 1 or more of u32s. -+ * The length parameter here is the number of u32s in the key. -+ */ -+static inline u32 jhash2(const u32 *k, u32 length, u32 initval) -+{ -+ u32 a, b, c; -+ -+ /* Set up the internal state */ -+ a = b = c = JHASH_GOLDEN_RATIO + (length<<2) + initval; -+ -+ /* handle most of the key */ -+ while (length > 3) { -+ a += k[0]; -+ b += k[1]; -+ c += k[2]; -+ __jhash_mix(a, b, c); -+ length -= 3; -+ k += 3; -+ } -+ -+ /* handle the last 3 u32's */ -+ /* all the case statements fall through */ -+ switch (length) { -+ case 3: c += k[2]; -+ case 2: b += k[1]; -+ case 1: a += k[0]; -+ __jhash_final(a, b, c); -+ case 0: /* case 0: nothing left to add */ -+ break; -+ } -+ -+ return c; -+} -+ -+/* A special ultra-optimized versions that knows they are hashing exactly -+ * 3, 2 or 1 word(s). -+ */ -+static inline u32 jhash_3words(u32 a, u32 b, u32 c, u32 initval) -+{ -+ a += JHASH_GOLDEN_RATIO + initval; -+ b += JHASH_GOLDEN_RATIO + initval; -+ c += JHASH_GOLDEN_RATIO + initval; -+ -+ __jhash_final(a, b, c); -+ -+ return c; -+} -+ -+static inline u32 jhash_2words(u32 a, u32 b, u32 initval) -+{ -+ return jhash_3words(0, a, b, initval); -+} -+ -+static inline u32 jhash_1word(u32 a, u32 initval) -+{ -+ return jhash_3words(0, 0, a, initval); -+} -+ -+#endif /* _LINUX_JHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_macipmap.h -@@ -0,0 +1,39 @@ -+#ifndef __IP_SET_MACIPMAP_H -+#define __IP_SET_MACIPMAP_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+ -+#define SETTYPE_NAME "macipmap" -+ -+/* general flags */ -+#define IPSET_MACIP_MATCHUNSET 1 -+ -+/* per ip flags */ -+#define IPSET_MACIP_ISSET 1 -+ -+struct ip_set_macipmap { -+ void *members; /* the macipmap proper */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ u_int32_t flags; -+ u_int32_t size; /* size of the ipmap proper */ -+}; -+ -+struct ip_set_req_macipmap_create { -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+ u_int32_t flags; -+}; -+ -+struct ip_set_req_macipmap { -+ ip_set_ip_t ip; -+ unsigned char ethernet[ETH_ALEN]; -+}; -+ -+struct ip_set_macip { -+ unsigned short match; -+ unsigned char ethernet[ETH_ALEN]; -+}; -+ -+#endif /* __IP_SET_MACIPMAP_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_malloc.h -@@ -0,0 +1,153 @@ -+#ifndef _IP_SET_MALLOC_H -+#define _IP_SET_MALLOC_H -+ -+#ifdef __KERNEL__ -+#include <linux/vmalloc.h> -+ -+static size_t max_malloc_size = 0, max_page_size = 0; -+static size_t default_max_malloc_size = 131072; /* Guaranteed: slab.c */ -+ -+static inline int init_max_page_size(void) -+{ -+/* Compatibility glues to support 2.4.36 */ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) -+#define __GFP_NOWARN 0 -+ -+ /* Guaranteed: slab.c */ -+ max_malloc_size = max_page_size = default_max_malloc_size; -+#else -+ size_t page_size = 0; -+ -+#define CACHE(x) if (max_page_size == 0 || x < max_page_size) \ -+ page_size = x; -+#include <linux/kmalloc_sizes.h> -+#undef CACHE -+ if (page_size) { -+ if (max_malloc_size == 0) -+ max_malloc_size = page_size; -+ -+ max_page_size = page_size; -+ -+ return 1; -+ } -+#endif -+ return 0; -+} -+ -+struct harray { -+ size_t max_elements; -+ void *arrays[0]; -+}; -+ -+static inline void * -+__harray_malloc(size_t hashsize, size_t typesize, gfp_t flags) -+{ -+ struct harray *harray; -+ size_t max_elements, size, i, j; -+ -+ BUG_ON(max_page_size == 0); -+ -+ if (typesize > max_page_size) -+ return NULL; -+ -+ max_elements = max_page_size/typesize; -+ size = hashsize/max_elements; -+ if (hashsize % max_elements) -+ size++; -+ -+ /* Last pointer signals end of arrays */ -+ harray = kmalloc(sizeof(struct harray) + (size + 1) * sizeof(void *), -+ flags); -+ -+ if (!harray) -+ return NULL; -+ -+ for (i = 0; i < size - 1; i++) { -+ harray->arrays[i] = kmalloc(max_elements * typesize, flags); -+ if (!harray->arrays[i]) -+ goto undo; -+ memset(harray->arrays[i], 0, max_elements * typesize); -+ } -+ harray->arrays[i] = kmalloc((hashsize - i * max_elements) * typesize, -+ flags); -+ if (!harray->arrays[i]) -+ goto undo; -+ memset(harray->arrays[i], 0, (hashsize - i * max_elements) * typesize); -+ -+ harray->max_elements = max_elements; -+ harray->arrays[size] = NULL; -+ -+ return (void *)harray; -+ -+ undo: -+ for (j = 0; j < i; j++) { -+ kfree(harray->arrays[j]); -+ } -+ kfree(harray); -+ return NULL; -+} -+ -+static inline void * -+harray_malloc(size_t hashsize, size_t typesize, gfp_t flags) -+{ -+ void *harray; -+ -+ do { -+ harray = __harray_malloc(hashsize, typesize, flags|__GFP_NOWARN); -+ } while (harray == NULL && init_max_page_size()); -+ -+ return harray; -+} -+ -+static inline void harray_free(void *h) -+{ -+ struct harray *harray = (struct harray *) h; -+ size_t i; -+ -+ for (i = 0; harray->arrays[i] != NULL; i++) -+ kfree(harray->arrays[i]); -+ kfree(harray); -+} -+ -+static inline void harray_flush(void *h, size_t hashsize, size_t typesize) -+{ -+ struct harray *harray = (struct harray *) h; -+ size_t i; -+ -+ for (i = 0; harray->arrays[i+1] != NULL; i++) -+ memset(harray->arrays[i], 0, harray->max_elements * typesize); -+ memset(harray->arrays[i], 0, -+ (hashsize - i * harray->max_elements) * typesize); -+} -+ -+#define HARRAY_ELEM(h, type, which) \ -+({ \ -+ struct harray *__h = (struct harray *)(h); \ -+ ((type)((__h)->arrays[(which)/(__h)->max_elements]) \ -+ + (which)%(__h)->max_elements); \ -+}) -+ -+/* General memory allocation and deallocation */ -+static inline void * ip_set_malloc(size_t bytes) -+{ -+ BUG_ON(max_malloc_size == 0); -+ -+ if (bytes > default_max_malloc_size) -+ return vmalloc(bytes); -+ else -+ return kmalloc(bytes, GFP_KERNEL | __GFP_NOWARN); -+} -+ -+static inline void ip_set_free(void * data, size_t bytes) -+{ -+ BUG_ON(max_malloc_size == 0); -+ -+ if (bytes > default_max_malloc_size) -+ vfree(data); -+ else -+ kfree(data); -+} -+ -+#endif /* __KERNEL__ */ -+ -+#endif /*_IP_SET_MALLOC_H*/ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_nethash.h -@@ -0,0 +1,31 @@ -+#ifndef __IP_SET_NETHASH_H -+#define __IP_SET_NETHASH_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_hashes.h> -+ -+#define SETTYPE_NAME "nethash" -+ -+struct ip_set_nethash { -+ ip_set_ip_t *members; /* the nethash proper */ -+ uint32_t elements; /* number of elements */ -+ uint32_t hashsize; /* hash size */ -+ uint16_t probes; /* max number of probes */ -+ uint16_t resize; /* resize factor in percent */ -+ uint8_t cidr[30]; /* CIDR sizes */ -+ uint16_t nets[30]; /* nr of nets by CIDR sizes */ -+ initval_t initval[0]; /* initvals for jhash_1word */ -+}; -+ -+struct ip_set_req_nethash_create { -+ uint32_t hashsize; -+ uint16_t probes; -+ uint16_t resize; -+}; -+ -+struct ip_set_req_nethash { -+ ip_set_ip_t ip; -+ uint8_t cidr; -+}; -+ -+#endif /* __IP_SET_NETHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_portmap.h -@@ -0,0 +1,25 @@ -+#ifndef __IP_SET_PORTMAP_H -+#define __IP_SET_PORTMAP_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+ -+#define SETTYPE_NAME "portmap" -+ -+struct ip_set_portmap { -+ void *members; /* the portmap proper */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ u_int32_t size; /* size of the ipmap proper */ -+}; -+ -+struct ip_set_req_portmap_create { -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+}; -+ -+struct ip_set_req_portmap { -+ ip_set_ip_t ip; -+}; -+ -+#endif /* __IP_SET_PORTMAP_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_setlist.h -@@ -0,0 +1,26 @@ -+#ifndef __IP_SET_SETLIST_H -+#define __IP_SET_SETLIST_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+#define SETTYPE_NAME "setlist" -+ -+#define IP_SET_SETLIST_ADD_AFTER 0 -+#define IP_SET_SETLIST_ADD_BEFORE 1 -+ -+struct ip_set_setlist { -+ uint8_t size; -+ ip_set_id_t index[0]; -+}; -+ -+struct ip_set_req_setlist_create { -+ uint8_t size; -+}; -+ -+struct ip_set_req_setlist { -+ char name[IP_SET_MAXNAMELEN]; -+ char ref[IP_SET_MAXNAMELEN]; -+ uint8_t before; -+}; -+ -+#endif /* __IP_SET_SETLIST_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ipt_set.h -@@ -0,0 +1,21 @@ -+#ifndef _IPT_SET_H -+#define _IPT_SET_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+struct ipt_set_info { -+ ip_set_id_t index; -+ u_int32_t flags[IP_SET_MAX_BINDINGS + 1]; -+}; -+ -+/* match info */ -+struct ipt_set_info_match { -+ struct ipt_set_info match_set; -+}; -+ -+struct ipt_set_info_target { -+ struct ipt_set_info add_set; -+ struct ipt_set_info del_set; -+}; -+ -+#endif /*_IPT_SET_H*/ ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set.c -@@ -0,0 +1,2076 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module for IP set management */ -+ -+#include <linux/version.h> -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+#include <linux/config.h> -+#endif -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/kmod.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/random.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <linux/capability.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27) -+#include <asm/semaphore.h> -+#else -+#include <linux/semaphore.h> -+#endif -+#include <linux/spinlock.h> -+ -+#define ASSERT_READ_LOCK(x) -+#define ASSERT_WRITE_LOCK(x) -+#include <linux/netfilter.h> -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+static struct list_head set_type_list; /* all registered sets */ -+static struct ip_set **ip_set_list; /* all individual sets */ -+static DEFINE_RWLOCK(ip_set_lock); /* protects the lists and the hash */ -+static DECLARE_MUTEX(ip_set_app_mutex); /* serializes user access */ -+static ip_set_id_t ip_set_max = CONFIG_IP_NF_SET_MAX; -+static ip_set_id_t ip_set_bindings_hash_size = CONFIG_IP_NF_SET_HASHSIZE; -+static struct list_head *ip_set_hash; /* hash of bindings */ -+static unsigned int ip_set_hash_random; /* random seed */ -+ -+#define SETNAME_EQ(a,b) (strncmp(a,b,IP_SET_MAXNAMELEN) == 0) -+ -+/* -+ * Sets are identified either by the index in ip_set_list or by id. -+ * The id never changes and is used to find a key in the hash. -+ * The index may change by swapping and used at all other places -+ * (set/SET netfilter modules, binding value, etc.) -+ * -+ * Userspace requests are serialized by ip_set_mutex and sets can -+ * be deleted only from userspace. Therefore ip_set_list locking -+ * must obey the following rules: -+ * -+ * - kernel requests: read and write locking mandatory -+ * - user requests: read locking optional, write locking mandatory -+ */ -+ -+static inline void -+__ip_set_get(ip_set_id_t index) -+{ -+ atomic_inc(&ip_set_list[index]->ref); -+} -+ -+static inline void -+__ip_set_put(ip_set_id_t index) -+{ -+ atomic_dec(&ip_set_list[index]->ref); -+} -+ -+/* -+ * Binding routines -+ */ -+ -+static inline struct ip_set_hash * -+__ip_set_find(u_int32_t key, ip_set_id_t id, ip_set_ip_t ip) -+{ -+ struct ip_set_hash *set_hash; -+ -+ list_for_each_entry(set_hash, &ip_set_hash[key], list) -+ if (set_hash->id == id && set_hash->ip == ip) -+ return set_hash; -+ -+ return NULL; -+} -+ -+static ip_set_id_t -+ip_set_find_in_hash(ip_set_id_t id, ip_set_ip_t ip) -+{ -+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random) -+ % ip_set_bindings_hash_size; -+ struct ip_set_hash *set_hash; -+ -+ ASSERT_READ_LOCK(&ip_set_lock); -+ IP_SET_ASSERT(ip_set_list[id]); -+ DP("set: %s, ip: %u.%u.%u.%u", ip_set_list[id]->name, HIPQUAD(ip)); -+ -+ set_hash = __ip_set_find(key, id, ip); -+ -+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name, -+ HIPQUAD(ip), -+ set_hash != NULL ? ip_set_list[set_hash->binding]->name : ""); -+ -+ return (set_hash != NULL ? set_hash->binding : IP_SET_INVALID_ID); -+} -+ -+static inline void -+__set_hash_del(struct ip_set_hash *set_hash) -+{ -+ ASSERT_WRITE_LOCK(&ip_set_lock); -+ IP_SET_ASSERT(ip_set_list[set_hash->binding]); -+ -+ __ip_set_put(set_hash->binding); -+ list_del(&set_hash->list); -+ kfree(set_hash); -+} -+ -+static int -+ip_set_hash_del(ip_set_id_t id, ip_set_ip_t ip) -+{ -+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random) -+ % ip_set_bindings_hash_size; -+ struct ip_set_hash *set_hash; -+ -+ IP_SET_ASSERT(ip_set_list[id]); -+ DP("set: %s, ip: %u.%u.%u.%u", ip_set_list[id]->name, HIPQUAD(ip)); -+ write_lock_bh(&ip_set_lock); -+ set_hash = __ip_set_find(key, id, ip); -+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name, -+ HIPQUAD(ip), -+ set_hash != NULL ? ip_set_list[set_hash->binding]->name : ""); -+ -+ if (set_hash != NULL) -+ __set_hash_del(set_hash); -+ write_unlock_bh(&ip_set_lock); -+ return 0; -+} -+ -+static int -+ip_set_hash_add(ip_set_id_t id, ip_set_ip_t ip, ip_set_id_t binding) -+{ -+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random) -+ % ip_set_bindings_hash_size; -+ struct ip_set_hash *set_hash; -+ int ret = 0; -+ -+ IP_SET_ASSERT(ip_set_list[id]); -+ IP_SET_ASSERT(ip_set_list[binding]); -+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name, -+ HIPQUAD(ip), ip_set_list[binding]->name); -+ write_lock_bh(&ip_set_lock); -+ set_hash = __ip_set_find(key, id, ip); -+ if (!set_hash) { -+ set_hash = kmalloc(sizeof(struct ip_set_hash), GFP_ATOMIC); -+ if (!set_hash) { -+ ret = -ENOMEM; -+ goto unlock; -+ } -+ INIT_LIST_HEAD(&set_hash->list); -+ set_hash->id = id; -+ set_hash->ip = ip; -+ list_add(&set_hash->list, &ip_set_hash[key]); -+ } else { -+ IP_SET_ASSERT(ip_set_list[set_hash->binding]); -+ DP("overwrite binding: %s", -+ ip_set_list[set_hash->binding]->name); -+ __ip_set_put(set_hash->binding); -+ } -+ set_hash->binding = binding; -+ __ip_set_get(set_hash->binding); -+ DP("stored: key %u, id %u (%s), ip %u.%u.%u.%u, binding %u (%s)", -+ key, id, ip_set_list[id]->name, -+ HIPQUAD(ip), binding, ip_set_list[binding]->name); -+ unlock: -+ write_unlock_bh(&ip_set_lock); -+ return ret; -+} -+ -+#define FOREACH_HASH_DO(fn, args...) \ -+({ \ -+ ip_set_id_t __key; \ -+ struct ip_set_hash *__set_hash; \ -+ \ -+ for (__key = 0; __key < ip_set_bindings_hash_size; __key++) { \ -+ list_for_each_entry(__set_hash, &ip_set_hash[__key], list) \ -+ fn(__set_hash , ## args); \ -+ } \ -+}) -+ -+#define FOREACH_HASH_RW_DO(fn, args...) \ -+({ \ -+ ip_set_id_t __key; \ -+ struct ip_set_hash *__set_hash, *__n; \ -+ \ -+ ASSERT_WRITE_LOCK(&ip_set_lock); \ -+ for (__key = 0; __key < ip_set_bindings_hash_size; __key++) { \ -+ list_for_each_entry_safe(__set_hash, __n, &ip_set_hash[__key], list)\ -+ fn(__set_hash , ## args); \ -+ } \ -+}) -+ -+/* Add, del and test set entries from kernel */ -+ -+#define follow_bindings(index, set, ip) \ -+((index = ip_set_find_in_hash((set)->id, ip)) != IP_SET_INVALID_ID \ -+ || (index = (set)->binding) != IP_SET_INVALID_ID) -+ -+int -+ip_set_testip_kernel(ip_set_id_t index, -+ const struct sk_buff *skb, -+ const u_int32_t *flags) -+{ -+ struct ip_set *set; -+ ip_set_ip_t ip; -+ int res; -+ unsigned char i = 0; -+ -+ IP_SET_ASSERT(flags[i]); -+ read_lock_bh(&ip_set_lock); -+ do { -+ set = ip_set_list[index]; -+ IP_SET_ASSERT(set); -+ DP("set %s, index %u", set->name, index); -+ read_lock_bh(&set->lock); -+ res = set->type->testip_kernel(set, skb, &ip, flags, i++); -+ read_unlock_bh(&set->lock); -+ i += !!(set->type->features & IPSET_DATA_DOUBLE); -+ } while (res > 0 -+ && flags[i] -+ && follow_bindings(index, set, ip)); -+ read_unlock_bh(&ip_set_lock); -+ -+ return (res < 0 ? 0 : res); -+} -+ -+int -+ip_set_addip_kernel(ip_set_id_t index, -+ const struct sk_buff *skb, -+ const u_int32_t *flags) -+{ -+ struct ip_set *set; -+ ip_set_ip_t ip; -+ int res; -+ unsigned char i = 0; -+ -+ IP_SET_ASSERT(flags[i]); -+ retry: -+ read_lock_bh(&ip_set_lock); -+ do { -+ set = ip_set_list[index]; -+ IP_SET_ASSERT(set); -+ DP("set %s, index %u", set->name, index); -+ write_lock_bh(&set->lock); -+ res = set->type->addip_kernel(set, skb, &ip, flags, i++); -+ write_unlock_bh(&set->lock); -+ i += !!(set->type->features & IPSET_DATA_DOUBLE); -+ } while ((res == 0 || res == -EEXIST) -+ && flags[i] -+ && follow_bindings(index, set, ip)); -+ read_unlock_bh(&ip_set_lock); -+ -+ if (res == -EAGAIN -+ && set->type->retry -+ && (res = set->type->retry(set)) == 0) -+ goto retry; -+ -+ return res; -+} -+ -+int -+ip_set_delip_kernel(ip_set_id_t index, -+ const struct sk_buff *skb, -+ const u_int32_t *flags) -+{ -+ struct ip_set *set; -+ ip_set_ip_t ip; -+ int res; -+ unsigned char i = 0; -+ -+ IP_SET_ASSERT(flags[i]); -+ read_lock_bh(&ip_set_lock); -+ do { -+ set = ip_set_list[index]; -+ IP_SET_ASSERT(set); -+ DP("set %s, index %u", set->name, index); -+ write_lock_bh(&set->lock); -+ res = set->type->delip_kernel(set, skb, &ip, flags, i++); -+ write_unlock_bh(&set->lock); -+ i += !!(set->type->features & IPSET_DATA_DOUBLE); -+ } while ((res == 0 || res == -EEXIST) -+ && flags[i] -+ && follow_bindings(index, set, ip)); -+ read_unlock_bh(&ip_set_lock); -+ -+ return res; -+} -+ -+/* Register and deregister settype */ -+ -+static inline struct ip_set_type * -+find_set_type(const char *name) -+{ -+ struct ip_set_type *set_type; -+ -+ list_for_each_entry(set_type, &set_type_list, list) -+ if (!strncmp(set_type->typename, name, IP_SET_MAXNAMELEN - 1)) -+ return set_type; -+ return NULL; -+} -+ -+int -+ip_set_register_set_type(struct ip_set_type *set_type) -+{ -+ int ret = 0; -+ -+ if (set_type->protocol_version != IP_SET_PROTOCOL_VERSION) { -+ ip_set_printk("'%s' uses wrong protocol version %u (want %u)", -+ set_type->typename, -+ set_type->protocol_version, -+ IP_SET_PROTOCOL_VERSION); -+ return -EINVAL; -+ } -+ -+ write_lock_bh(&ip_set_lock); -+ if (find_set_type(set_type->typename)) { -+ /* Duplicate! */ -+ ip_set_printk("'%s' already registered!", -+ set_type->typename); -+ ret = -EINVAL; -+ goto unlock; -+ } -+ if (!try_module_get(THIS_MODULE)) { -+ ret = -EFAULT; -+ goto unlock; -+ } -+ list_add(&set_type->list, &set_type_list); -+ DP("'%s' registered.", set_type->typename); -+ unlock: -+ write_unlock_bh(&ip_set_lock); -+ return ret; -+} -+ -+void -+ip_set_unregister_set_type(struct ip_set_type *set_type) -+{ -+ write_lock_bh(&ip_set_lock); -+ if (!find_set_type(set_type->typename)) { -+ ip_set_printk("'%s' not registered?", -+ set_type->typename); -+ goto unlock; -+ } -+ list_del(&set_type->list); -+ module_put(THIS_MODULE); -+ DP("'%s' unregistered.", set_type->typename); -+ unlock: -+ write_unlock_bh(&ip_set_lock); -+ -+} -+ -+ip_set_id_t -+__ip_set_get_byname(const char *name, struct ip_set **set) -+{ -+ ip_set_id_t i, index = IP_SET_INVALID_ID; -+ -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && SETNAME_EQ(ip_set_list[i]->name, name)) { -+ __ip_set_get(i); -+ index = i; -+ *set = ip_set_list[i]; -+ break; -+ } -+ } -+ return index; -+} -+ -+void __ip_set_put_byindex(ip_set_id_t index) -+{ -+ if (ip_set_list[index]) -+ __ip_set_put(index); -+} -+ -+/* -+ * Userspace routines -+ */ -+ -+/* -+ * Find set by name, reference it once. The reference makes sure the -+ * thing pointed to, does not go away under our feet. Drop the reference -+ * later, using ip_set_put(). -+ */ -+ip_set_id_t -+ip_set_get_byname(const char *name) -+{ -+ ip_set_id_t i, index = IP_SET_INVALID_ID; -+ -+ down(&ip_set_app_mutex); -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && SETNAME_EQ(ip_set_list[i]->name, name)) { -+ __ip_set_get(i); -+ index = i; -+ break; -+ } -+ } -+ up(&ip_set_app_mutex); -+ return index; -+} -+ -+/* -+ * Find set by index, reference it once. The reference makes sure the -+ * thing pointed to, does not go away under our feet. Drop the reference -+ * later, using ip_set_put(). -+ */ -+ip_set_id_t -+ip_set_get_byindex(ip_set_id_t index) -+{ -+ down(&ip_set_app_mutex); -+ -+ if (index >= ip_set_max) -+ return IP_SET_INVALID_ID; -+ -+ if (ip_set_list[index]) -+ __ip_set_get(index); -+ else -+ index = IP_SET_INVALID_ID; -+ -+ up(&ip_set_app_mutex); -+ return index; -+} -+ -+/* -+ * Find the set id belonging to the index. -+ * We are protected by the mutex, so we do not need to use -+ * ip_set_lock. There is no need to reference the sets either. -+ */ -+ip_set_id_t -+ip_set_id(ip_set_id_t index) -+{ -+ if (index >= ip_set_max || !ip_set_list[index]) -+ return IP_SET_INVALID_ID; -+ -+ return ip_set_list[index]->id; -+} -+ -+/* -+ * If the given set pointer points to a valid set, decrement -+ * reference count by 1. The caller shall not assume the index -+ * to be valid, after calling this function. -+ */ -+void ip_set_put_byindex(ip_set_id_t index) -+{ -+ down(&ip_set_app_mutex); -+ if (ip_set_list[index]) -+ __ip_set_put(index); -+ up(&ip_set_app_mutex); -+} -+ -+/* Find a set by name or index */ -+static ip_set_id_t -+ip_set_find_byname(const char *name) -+{ -+ ip_set_id_t i, index = IP_SET_INVALID_ID; -+ -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && SETNAME_EQ(ip_set_list[i]->name, name)) { -+ index = i; -+ break; -+ } -+ } -+ return index; -+} -+ -+static ip_set_id_t -+ip_set_find_byindex(ip_set_id_t index) -+{ -+ if (index >= ip_set_max || ip_set_list[index] == NULL) -+ index = IP_SET_INVALID_ID; -+ -+ return index; -+} -+ -+/* -+ * Add, del, test, bind and unbind -+ */ -+ -+static inline int -+__ip_set_testip(struct ip_set *set, -+ const void *data, -+ u_int32_t size, -+ ip_set_ip_t *ip) -+{ -+ int res; -+ -+ read_lock_bh(&set->lock); -+ res = set->type->testip(set, data, size, ip); -+ read_unlock_bh(&set->lock); -+ -+ return res; -+} -+ -+static int -+__ip_set_addip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ do { -+ write_lock_bh(&set->lock); -+ res = set->type->addip(set, data, size, &ip); -+ write_unlock_bh(&set->lock); -+ } while (res == -EAGAIN -+ && set->type->retry -+ && (res = set->type->retry(set)) == 0); -+ -+ return res; -+} -+ -+static int -+ip_set_addip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ -+ IP_SET_ASSERT(set); -+ -+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) { -+ ip_set_printk("data length wrong (want %lu, have %zu)", -+ (long unsigned)set->type->reqsize, -+ size - sizeof(struct ip_set_req_adt)); -+ return -EINVAL; -+ } -+ return __ip_set_addip(index, -+ data + sizeof(struct ip_set_req_adt), -+ size - sizeof(struct ip_set_req_adt)); -+} -+ -+static int -+ip_set_delip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ -+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) { -+ ip_set_printk("data length wrong (want %lu, have %zu)", -+ (long unsigned)set->type->reqsize, -+ size - sizeof(struct ip_set_req_adt)); -+ return -EINVAL; -+ } -+ write_lock_bh(&set->lock); -+ res = set->type->delip(set, -+ data + sizeof(struct ip_set_req_adt), -+ size - sizeof(struct ip_set_req_adt), -+ &ip); -+ write_unlock_bh(&set->lock); -+ -+ return res; -+} -+ -+static int -+ip_set_testip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ -+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) { -+ ip_set_printk("data length wrong (want %lu, have %zu)", -+ (long unsigned)set->type->reqsize, -+ size - sizeof(struct ip_set_req_adt)); -+ return -EINVAL; -+ } -+ res = __ip_set_testip(set, -+ data + sizeof(struct ip_set_req_adt), -+ size - sizeof(struct ip_set_req_adt), -+ &ip); -+ -+ return (res > 0 ? -EEXIST : res); -+} -+ -+static int -+ip_set_bindip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ const struct ip_set_req_bind *req_bind; -+ ip_set_id_t binding; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ if (size < sizeof(struct ip_set_req_bind)) -+ return -EINVAL; -+ -+ req_bind = data; -+ -+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) { -+ /* Default binding of a set */ -+ const char *binding_name; -+ -+ if (size != sizeof(struct ip_set_req_bind) + IP_SET_MAXNAMELEN) -+ return -EINVAL; -+ -+ binding_name = data + sizeof(struct ip_set_req_bind); -+ -+ binding = ip_set_find_byname(binding_name); -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ write_lock_bh(&ip_set_lock); -+ /* Sets as binding values are referenced */ -+ if (set->binding != IP_SET_INVALID_ID) -+ __ip_set_put(set->binding); -+ set->binding = binding; -+ __ip_set_get(set->binding); -+ write_unlock_bh(&ip_set_lock); -+ -+ return 0; -+ } -+ binding = ip_set_find_byname(req_bind->binding); -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ res = __ip_set_testip(set, -+ data + sizeof(struct ip_set_req_bind), -+ size - sizeof(struct ip_set_req_bind), -+ &ip); -+ DP("set %s, ip: %u.%u.%u.%u, binding %s", -+ set->name, HIPQUAD(ip), ip_set_list[binding]->name); -+ -+ if (res >= 0) -+ res = ip_set_hash_add(set->id, ip, binding); -+ -+ return res; -+} -+ -+#define FOREACH_SET_DO(fn, args...) \ -+({ \ -+ ip_set_id_t __i; \ -+ struct ip_set *__set; \ -+ \ -+ for (__i = 0; __i < ip_set_max; __i++) { \ -+ __set = ip_set_list[__i]; \ -+ if (__set != NULL) \ -+ fn(__set , ##args); \ -+ } \ -+}) -+ -+static inline void -+__set_hash_del_byid(struct ip_set_hash *set_hash, ip_set_id_t id) -+{ -+ if (set_hash->id == id) -+ __set_hash_del(set_hash); -+} -+ -+static inline void -+__unbind_default(struct ip_set *set) -+{ -+ if (set->binding != IP_SET_INVALID_ID) { -+ /* Sets as binding values are referenced */ -+ __ip_set_put(set->binding); -+ set->binding = IP_SET_INVALID_ID; -+ } -+} -+ -+static int -+ip_set_unbindip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set; -+ const struct ip_set_req_bind *req_bind; -+ ip_set_ip_t ip; -+ int res; -+ -+ DP(""); -+ if (size < sizeof(struct ip_set_req_bind)) -+ return -EINVAL; -+ -+ req_bind = data; -+ -+ DP("%u %s", index, req_bind->binding); -+ if (index == IP_SET_INVALID_ID) { -+ /* unbind :all: */ -+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) { -+ /* Default binding of sets */ -+ write_lock_bh(&ip_set_lock); -+ FOREACH_SET_DO(__unbind_default); -+ write_unlock_bh(&ip_set_lock); -+ return 0; -+ } else if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_ALL)) { -+ /* Flush all bindings of all sets*/ -+ write_lock_bh(&ip_set_lock); -+ FOREACH_HASH_RW_DO(__set_hash_del); -+ write_unlock_bh(&ip_set_lock); -+ return 0; -+ } -+ DP("unreachable reached!"); -+ return -EINVAL; -+ } -+ -+ set = ip_set_list[index]; -+ IP_SET_ASSERT(set); -+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) { -+ /* Default binding of set */ -+ ip_set_id_t binding = ip_set_find_byindex(set->binding); -+ -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ write_lock_bh(&ip_set_lock); -+ /* Sets in hash values are referenced */ -+ __ip_set_put(set->binding); -+ set->binding = IP_SET_INVALID_ID; -+ write_unlock_bh(&ip_set_lock); -+ -+ return 0; -+ } else if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_ALL)) { -+ /* Flush all bindings */ -+ -+ write_lock_bh(&ip_set_lock); -+ FOREACH_HASH_RW_DO(__set_hash_del_byid, set->id); -+ write_unlock_bh(&ip_set_lock); -+ return 0; -+ } -+ -+ res = __ip_set_testip(set, -+ data + sizeof(struct ip_set_req_bind), -+ size - sizeof(struct ip_set_req_bind), -+ &ip); -+ -+ DP("set %s, ip: %u.%u.%u.%u", set->name, HIPQUAD(ip)); -+ if (res >= 0) -+ res = ip_set_hash_del(set->id, ip); -+ -+ return res; -+} -+ -+static int -+ip_set_testbind(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ const struct ip_set_req_bind *req_bind; -+ ip_set_id_t binding; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ if (size < sizeof(struct ip_set_req_bind)) -+ return -EINVAL; -+ -+ req_bind = data; -+ -+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) { -+ /* Default binding of set */ -+ const char *binding_name; -+ -+ if (size != sizeof(struct ip_set_req_bind) + IP_SET_MAXNAMELEN) -+ return -EINVAL; -+ -+ binding_name = data + sizeof(struct ip_set_req_bind); -+ -+ binding = ip_set_find_byname(binding_name); -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ res = (set->binding == binding) ? -EEXIST : 0; -+ -+ return res; -+ } -+ binding = ip_set_find_byname(req_bind->binding); -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ -+ res = __ip_set_testip(set, -+ data + sizeof(struct ip_set_req_bind), -+ size - sizeof(struct ip_set_req_bind), -+ &ip); -+ DP("set %s, ip: %u.%u.%u.%u, binding %s", -+ set->name, HIPQUAD(ip), ip_set_list[binding]->name); -+ -+ if (res >= 0) -+ res = (ip_set_find_in_hash(set->id, ip) == binding) -+ ? -EEXIST : 0; -+ -+ return res; -+} -+ -+static struct ip_set_type * -+find_set_type_rlock(const char *typename) -+{ -+ struct ip_set_type *type; -+ -+ read_lock_bh(&ip_set_lock); -+ type = find_set_type(typename); -+ if (type == NULL) -+ read_unlock_bh(&ip_set_lock); -+ -+ return type; -+} -+ -+static int -+find_free_id(const char *name, -+ ip_set_id_t *index, -+ ip_set_id_t *id) -+{ -+ ip_set_id_t i; -+ -+ *id = IP_SET_INVALID_ID; -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] == NULL) { -+ if (*id == IP_SET_INVALID_ID) -+ *id = *index = i; -+ } else if (SETNAME_EQ(name, ip_set_list[i]->name)) -+ /* Name clash */ -+ return -EEXIST; -+ } -+ if (*id == IP_SET_INVALID_ID) -+ /* No free slot remained */ -+ return -ERANGE; -+ /* Check that index is usable as id (swapping) */ -+ check: -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && ip_set_list[i]->id == *id) { -+ *id = i; -+ goto check; -+ } -+ } -+ return 0; -+} -+ -+/* -+ * Create a set -+ */ -+static int -+ip_set_create(const char *name, -+ const char *typename, -+ ip_set_id_t restore, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set; -+ ip_set_id_t index = 0, id; -+ int res = 0; -+ -+ DP("setname: %s, typename: %s, id: %u", name, typename, restore); -+ -+ /* -+ * First, and without any locks, allocate and initialize -+ * a normal base set structure. -+ */ -+ set = kmalloc(sizeof(struct ip_set), GFP_KERNEL); -+ if (!set) -+ return -ENOMEM; -+ rwlock_init(&set->lock); -+ strncpy(set->name, name, IP_SET_MAXNAMELEN); -+ set->binding = IP_SET_INVALID_ID; -+ atomic_set(&set->ref, 0); -+ -+ /* -+ * Next, take the &ip_set_lock, check that we know the type, -+ * and take a reference on the type, to make sure it -+ * stays available while constructing our new set. -+ * -+ * After referencing the type, we drop the &ip_set_lock, -+ * and let the new set construction run without locks. -+ */ -+ set->type = find_set_type_rlock(typename); -+ if (set->type == NULL) { -+ /* Try loading the module */ -+ char modulename[IP_SET_MAXNAMELEN + strlen("ip_set_") + 1]; -+ strcpy(modulename, "ip_set_"); -+ strcat(modulename, typename); -+ DP("try to load %s", modulename); -+ request_module(modulename); -+ set->type = find_set_type_rlock(typename); -+ } -+ if (set->type == NULL) { -+ ip_set_printk("no set type '%s', set '%s' not created", -+ typename, name); -+ res = -ENOENT; -+ goto out; -+ } -+ if (!try_module_get(set->type->me)) { -+ read_unlock_bh(&ip_set_lock); -+ res = -EFAULT; -+ goto out; -+ } -+ read_unlock_bh(&ip_set_lock); -+ -+ /* Check request size */ -+ if (size != set->type->header_size) { -+ ip_set_printk("data length wrong (want %lu, have %lu)", -+ (long unsigned)set->type->header_size, -+ (long unsigned)size); -+ goto put_out; -+ } -+ -+ /* -+ * Without holding any locks, create private part. -+ */ -+ res = set->type->create(set, data, size); -+ if (res != 0) -+ goto put_out; -+ -+ /* BTW, res==0 here. */ -+ -+ /* -+ * Here, we have a valid, constructed set. &ip_set_lock again, -+ * find free id/index and check that it is not already in -+ * ip_set_list. -+ */ -+ write_lock_bh(&ip_set_lock); -+ if ((res = find_free_id(set->name, &index, &id)) != 0) { -+ DP("no free id!"); -+ goto cleanup; -+ } -+ -+ /* Make sure restore gets the same index */ -+ if (restore != IP_SET_INVALID_ID && index != restore) { -+ DP("Can't restore, sets are screwed up"); -+ res = -ERANGE; -+ goto cleanup; -+ } -+ -+ /* -+ * Finally! Add our shiny new set to the list, and be done. -+ */ -+ DP("create: '%s' created with index %u, id %u!", set->name, index, id); -+ set->id = id; -+ ip_set_list[index] = set; -+ write_unlock_bh(&ip_set_lock); -+ return res; -+ -+ cleanup: -+ write_unlock_bh(&ip_set_lock); -+ set->type->destroy(set); -+ put_out: -+ module_put(set->type->me); -+ out: -+ kfree(set); -+ return res; -+} -+ -+/* -+ * Destroy a given existing set -+ */ -+static void -+ip_set_destroy_set(ip_set_id_t index) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ -+ IP_SET_ASSERT(set); -+ DP("set: %s", set->name); -+ write_lock_bh(&ip_set_lock); -+ FOREACH_HASH_RW_DO(__set_hash_del_byid, set->id); -+ if (set->binding != IP_SET_INVALID_ID) -+ __ip_set_put(set->binding); -+ ip_set_list[index] = NULL; -+ write_unlock_bh(&ip_set_lock); -+ -+ /* Must call it without holding any lock */ -+ set->type->destroy(set); -+ module_put(set->type->me); -+ kfree(set); -+} -+ -+/* -+ * Destroy a set - or all sets -+ * Sets must not be referenced/used. -+ */ -+static int -+ip_set_destroy(ip_set_id_t index) -+{ -+ ip_set_id_t i; -+ -+ /* ref modification always protected by the mutex */ -+ if (index != IP_SET_INVALID_ID) { -+ if (atomic_read(&ip_set_list[index]->ref)) -+ return -EBUSY; -+ ip_set_destroy_set(index); -+ } else { -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && (atomic_read(&ip_set_list[i]->ref))) -+ return -EBUSY; -+ } -+ -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL) -+ ip_set_destroy_set(i); -+ } -+ } -+ return 0; -+} -+ -+static void -+ip_set_flush_set(struct ip_set *set) -+{ -+ DP("set: %s %u", set->name, set->id); -+ -+ write_lock_bh(&set->lock); -+ set->type->flush(set); -+ write_unlock_bh(&set->lock); -+} -+ -+/* -+ * Flush data in a set - or in all sets -+ */ -+static int -+ip_set_flush(ip_set_id_t index) -+{ -+ if (index != IP_SET_INVALID_ID) { -+ IP_SET_ASSERT(ip_set_list[index]); -+ ip_set_flush_set(ip_set_list[index]); -+ } else -+ FOREACH_SET_DO(ip_set_flush_set); -+ -+ return 0; -+} -+ -+/* Rename a set */ -+static int -+ip_set_rename(ip_set_id_t index, const char *name) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ ip_set_id_t i; -+ int res = 0; -+ -+ DP("set: %s to %s", set->name, name); -+ write_lock_bh(&ip_set_lock); -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && SETNAME_EQ(ip_set_list[i]->name, name)) { -+ res = -EEXIST; -+ goto unlock; -+ } -+ } -+ strncpy(set->name, name, IP_SET_MAXNAMELEN); -+ unlock: -+ write_unlock_bh(&ip_set_lock); -+ return res; -+} -+ -+/* -+ * Swap two sets so that name/index points to the other. -+ * References are also swapped. -+ */ -+static int -+ip_set_swap(ip_set_id_t from_index, ip_set_id_t to_index) -+{ -+ struct ip_set *from = ip_set_list[from_index]; -+ struct ip_set *to = ip_set_list[to_index]; -+ char from_name[IP_SET_MAXNAMELEN]; -+ u_int32_t from_ref; -+ -+ DP("set: %s to %s", from->name, to->name); -+ /* Features must not change. -+ * Not an artifical restriction anymore, as we must prevent -+ * possible loops created by swapping in setlist type of sets. */ -+ if (from->type->features != to->type->features) -+ return -ENOEXEC; -+ -+ /* No magic here: ref munging protected by the mutex */ -+ write_lock_bh(&ip_set_lock); -+ strncpy(from_name, from->name, IP_SET_MAXNAMELEN); -+ from_ref = atomic_read(&from->ref); -+ -+ strncpy(from->name, to->name, IP_SET_MAXNAMELEN); -+ atomic_set(&from->ref, atomic_read(&to->ref)); -+ strncpy(to->name, from_name, IP_SET_MAXNAMELEN); -+ atomic_set(&to->ref, from_ref); -+ -+ ip_set_list[from_index] = to; -+ ip_set_list[to_index] = from; -+ -+ write_unlock_bh(&ip_set_lock); -+ return 0; -+} -+ -+/* -+ * List set data -+ */ -+ -+static inline void -+__set_hash_bindings_size_list(struct ip_set_hash *set_hash, -+ ip_set_id_t id, u_int32_t *size) -+{ -+ if (set_hash->id == id) -+ *size += sizeof(struct ip_set_hash_list); -+} -+ -+static inline void -+__set_hash_bindings_size_save(struct ip_set_hash *set_hash, -+ ip_set_id_t id, u_int32_t *size) -+{ -+ if (set_hash->id == id) -+ *size += sizeof(struct ip_set_hash_save); -+} -+ -+static inline void -+__set_hash_bindings(struct ip_set_hash *set_hash, -+ ip_set_id_t id, void *data, int *used) -+{ -+ if (set_hash->id == id) { -+ struct ip_set_hash_list *hash_list = data + *used; -+ -+ hash_list->ip = set_hash->ip; -+ hash_list->binding = set_hash->binding; -+ *used += sizeof(struct ip_set_hash_list); -+ } -+} -+ -+static int ip_set_list_set(ip_set_id_t index, -+ void *data, -+ int *used, -+ int len) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ struct ip_set_list *set_list; -+ -+ /* Pointer to our header */ -+ set_list = data + *used; -+ -+ DP("set: %s, used: %d %p %p", set->name, *used, data, data + *used); -+ -+ /* Get and ensure header size */ -+ if (*used + sizeof(struct ip_set_list) > len) -+ goto not_enough_mem; -+ *used += sizeof(struct ip_set_list); -+ -+ read_lock_bh(&set->lock); -+ /* Get and ensure set specific header size */ -+ set_list->header_size = set->type->header_size; -+ if (*used + set_list->header_size > len) -+ goto unlock_set; -+ -+ /* Fill in the header */ -+ set_list->index = index; -+ set_list->binding = set->binding; -+ set_list->ref = atomic_read(&set->ref); -+ -+ /* Fill in set spefific header data */ -+ set->type->list_header(set, data + *used); -+ *used += set_list->header_size; -+ -+ /* Get and ensure set specific members size */ -+ set_list->members_size = set->type->list_members_size(set); -+ if (*used + set_list->members_size > len) -+ goto unlock_set; -+ -+ /* Fill in set spefific members data */ -+ set->type->list_members(set, data + *used); -+ *used += set_list->members_size; -+ read_unlock_bh(&set->lock); -+ -+ /* Bindings */ -+ -+ /* Get and ensure set specific bindings size */ -+ set_list->bindings_size = 0; -+ FOREACH_HASH_DO(__set_hash_bindings_size_list, -+ set->id, &set_list->bindings_size); -+ if (*used + set_list->bindings_size > len) -+ goto not_enough_mem; -+ -+ /* Fill in set spefific bindings data */ -+ FOREACH_HASH_DO(__set_hash_bindings, set->id, data, used); -+ -+ return 0; -+ -+ unlock_set: -+ read_unlock_bh(&set->lock); -+ not_enough_mem: -+ DP("not enough mem, try again"); -+ return -EAGAIN; -+} -+ -+/* -+ * Save sets -+ */ -+static int ip_set_save_set(ip_set_id_t index, -+ void *data, -+ int *used, -+ int len) -+{ -+ struct ip_set *set; -+ struct ip_set_save *set_save; -+ -+ /* Pointer to our header */ -+ set_save = data + *used; -+ -+ /* Get and ensure header size */ -+ if (*used + sizeof(struct ip_set_save) > len) -+ goto not_enough_mem; -+ *used += sizeof(struct ip_set_save); -+ -+ set = ip_set_list[index]; -+ DP("set: %s, used: %d(%d) %p %p", set->name, *used, len, -+ data, data + *used); -+ -+ read_lock_bh(&set->lock); -+ /* Get and ensure set specific header size */ -+ set_save->header_size = set->type->header_size; -+ if (*used + set_save->header_size > len) -+ goto unlock_set; -+ -+ /* Fill in the header */ -+ set_save->index = index; -+ set_save->binding = set->binding; -+ -+ /* Fill in set spefific header data */ -+ set->type->list_header(set, data + *used); -+ *used += set_save->header_size; -+ -+ DP("set header filled: %s, used: %d(%lu) %p %p", set->name, *used, -+ (unsigned long)set_save->header_size, data, data + *used); -+ /* Get and ensure set specific members size */ -+ set_save->members_size = set->type->list_members_size(set); -+ if (*used + set_save->members_size > len) -+ goto unlock_set; -+ -+ /* Fill in set spefific members data */ -+ set->type->list_members(set, data + *used); -+ *used += set_save->members_size; -+ read_unlock_bh(&set->lock); -+ DP("set members filled: %s, used: %d(%lu) %p %p", set->name, *used, -+ (unsigned long)set_save->members_size, data, data + *used); -+ return 0; -+ -+ unlock_set: -+ read_unlock_bh(&set->lock); -+ not_enough_mem: -+ DP("not enough mem, try again"); -+ return -EAGAIN; -+} -+ -+static inline void -+__set_hash_save_bindings(struct ip_set_hash *set_hash, -+ ip_set_id_t id, -+ void *data, -+ int *used, -+ int len, -+ int *res) -+{ -+ if (*res == 0 -+ && (id == IP_SET_INVALID_ID || set_hash->id == id)) { -+ struct ip_set_hash_save *hash_save = data + *used; -+ /* Ensure bindings size */ -+ if (*used + sizeof(struct ip_set_hash_save) > len) { -+ *res = -ENOMEM; -+ return; -+ } -+ hash_save->id = set_hash->id; -+ hash_save->ip = set_hash->ip; -+ hash_save->binding = set_hash->binding; -+ *used += sizeof(struct ip_set_hash_save); -+ } -+} -+ -+static int ip_set_save_bindings(ip_set_id_t index, -+ void *data, -+ int *used, -+ int len) -+{ -+ int res = 0; -+ struct ip_set_save *set_save; -+ -+ DP("used %u, len %u", *used, len); -+ /* Get and ensure header size */ -+ if (*used + sizeof(struct ip_set_save) > len) -+ return -ENOMEM; -+ -+ /* Marker */ -+ set_save = data + *used; -+ set_save->index = IP_SET_INVALID_ID; -+ set_save->header_size = 0; -+ set_save->members_size = 0; -+ *used += sizeof(struct ip_set_save); -+ -+ DP("marker added used %u, len %u", *used, len); -+ /* Fill in bindings data */ -+ if (index != IP_SET_INVALID_ID) -+ /* Sets are identified by id in hash */ -+ index = ip_set_list[index]->id; -+ FOREACH_HASH_DO(__set_hash_save_bindings, index, data, used, len, &res); -+ -+ return res; -+} -+ -+/* -+ * Restore sets -+ */ -+static int ip_set_restore(void *data, -+ int len) -+{ -+ int res = 0; -+ int line = 0, used = 0, members_size; -+ struct ip_set *set; -+ struct ip_set_hash_save *hash_save; -+ struct ip_set_restore *set_restore; -+ ip_set_id_t index; -+ -+ /* Loop to restore sets */ -+ while (1) { -+ line++; -+ -+ DP("%d %zu %d", used, sizeof(struct ip_set_restore), len); -+ /* Get and ensure header size */ -+ if (used + sizeof(struct ip_set_restore) > len) -+ return line; -+ set_restore = data + used; -+ used += sizeof(struct ip_set_restore); -+ -+ /* Ensure data size */ -+ if (used -+ + set_restore->header_size -+ + set_restore->members_size > len) -+ return line; -+ -+ /* Check marker */ -+ if (set_restore->index == IP_SET_INVALID_ID) { -+ line--; -+ goto bindings; -+ } -+ -+ /* Try to create the set */ -+ DP("restore %s %s", set_restore->name, set_restore->typename); -+ res = ip_set_create(set_restore->name, -+ set_restore->typename, -+ set_restore->index, -+ data + used, -+ set_restore->header_size); -+ -+ if (res != 0) -+ return line; -+ used += set_restore->header_size; -+ -+ index = ip_set_find_byindex(set_restore->index); -+ DP("index %u, restore_index %u", index, set_restore->index); -+ if (index != set_restore->index) -+ return line; -+ /* Try to restore members data */ -+ set = ip_set_list[index]; -+ members_size = 0; -+ DP("members_size %lu reqsize %lu", -+ (unsigned long)set_restore->members_size, -+ (unsigned long)set->type->reqsize); -+ while (members_size + set->type->reqsize <= -+ set_restore->members_size) { -+ line++; -+ DP("members: %d, line %d", members_size, line); -+ res = __ip_set_addip(index, -+ data + used + members_size, -+ set->type->reqsize); -+ if (!(res == 0 || res == -EEXIST)) -+ return line; -+ members_size += set->type->reqsize; -+ } -+ -+ DP("members_size %lu %d", -+ (unsigned long)set_restore->members_size, members_size); -+ if (members_size != set_restore->members_size) -+ return line++; -+ used += set_restore->members_size; -+ } -+ -+ bindings: -+ /* Loop to restore bindings */ -+ while (used < len) { -+ line++; -+ -+ DP("restore binding, line %u", line); -+ /* Get and ensure size */ -+ if (used + sizeof(struct ip_set_hash_save) > len) -+ return line; -+ hash_save = data + used; -+ used += sizeof(struct ip_set_hash_save); -+ -+ /* hash_save->id is used to store the index */ -+ index = ip_set_find_byindex(hash_save->id); -+ DP("restore binding index %u, id %u, %u -> %u", -+ index, hash_save->id, hash_save->ip, hash_save->binding); -+ if (index != hash_save->id) -+ return line; -+ if (ip_set_find_byindex(hash_save->binding) == IP_SET_INVALID_ID) { -+ DP("corrupt binding set index %u", hash_save->binding); -+ return line; -+ } -+ set = ip_set_list[hash_save->id]; -+ /* Null valued IP means default binding */ -+ if (hash_save->ip) -+ res = ip_set_hash_add(set->id, -+ hash_save->ip, -+ hash_save->binding); -+ else { -+ IP_SET_ASSERT(set->binding == IP_SET_INVALID_ID); -+ write_lock_bh(&ip_set_lock); -+ set->binding = hash_save->binding; -+ __ip_set_get(set->binding); -+ write_unlock_bh(&ip_set_lock); -+ DP("default binding: %u", set->binding); -+ } -+ if (res != 0) -+ return line; -+ } -+ if (used != len) -+ return line; -+ -+ return 0; -+} -+ -+static int -+ip_set_sockfn_set(struct sock *sk, int optval, void *user, unsigned int len) -+{ -+ void *data; -+ int res = 0; /* Assume OK */ -+ unsigned *op; -+ struct ip_set_req_adt *req_adt; -+ ip_set_id_t index = IP_SET_INVALID_ID; -+ int (*adtfn)(ip_set_id_t index, -+ const void *data, u_int32_t size); -+ struct fn_table { -+ int (*fn)(ip_set_id_t index, -+ const void *data, u_int32_t size); -+ } adtfn_table[] = -+ { { ip_set_addip }, { ip_set_delip }, { ip_set_testip}, -+ { ip_set_bindip}, { ip_set_unbindip }, { ip_set_testbind }, -+ }; -+ -+ DP("optval=%d, user=%p, len=%d", optval, user, len); -+ if (!capable(CAP_NET_ADMIN)) -+ return -EPERM; -+ if (optval != SO_IP_SET) -+ return -EBADF; -+ if (len <= sizeof(unsigned)) { -+ ip_set_printk("short userdata (want >%zu, got %u)", -+ sizeof(unsigned), len); -+ return -EINVAL; -+ } -+ data = vmalloc(len); -+ if (!data) { -+ DP("out of mem for %u bytes", len); -+ return -ENOMEM; -+ } -+ if (copy_from_user(data, user, len) != 0) { -+ res = -EFAULT; -+ goto done; -+ } -+ if (down_interruptible(&ip_set_app_mutex)) { -+ res = -EINTR; -+ goto done; -+ } -+ -+ op = (unsigned *)data; -+ DP("op=%x", *op); -+ -+ if (*op < IP_SET_OP_VERSION) { -+ /* Check the version at the beginning of operations */ -+ struct ip_set_req_version *req_version = data; -+ if (req_version->version != IP_SET_PROTOCOL_VERSION) { -+ res = -EPROTO; -+ goto done; -+ } -+ } -+ -+ switch (*op) { -+ case IP_SET_OP_CREATE:{ -+ struct ip_set_req_create *req_create = data; -+ -+ if (len < sizeof(struct ip_set_req_create)) { -+ ip_set_printk("short CREATE data (want >=%zu, got %u)", -+ sizeof(struct ip_set_req_create), len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_create->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ req_create->typename[IP_SET_MAXNAMELEN - 1] = '\0'; -+ res = ip_set_create(req_create->name, -+ req_create->typename, -+ IP_SET_INVALID_ID, -+ data + sizeof(struct ip_set_req_create), -+ len - sizeof(struct ip_set_req_create)); -+ goto done; -+ } -+ case IP_SET_OP_DESTROY:{ -+ struct ip_set_req_std *req_destroy = data; -+ -+ if (len != sizeof(struct ip_set_req_std)) { -+ ip_set_printk("invalid DESTROY data (want %zu, got %u)", -+ sizeof(struct ip_set_req_std), len); -+ res = -EINVAL; -+ goto done; -+ } -+ if (SETNAME_EQ(req_destroy->name, IPSET_TOKEN_ALL)) { -+ /* Destroy all sets */ -+ index = IP_SET_INVALID_ID; -+ } else { -+ req_destroy->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byname(req_destroy->name); -+ -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ } -+ -+ res = ip_set_destroy(index); -+ goto done; -+ } -+ case IP_SET_OP_FLUSH:{ -+ struct ip_set_req_std *req_flush = data; -+ -+ if (len != sizeof(struct ip_set_req_std)) { -+ ip_set_printk("invalid FLUSH data (want %zu, got %u)", -+ sizeof(struct ip_set_req_std), len); -+ res = -EINVAL; -+ goto done; -+ } -+ if (SETNAME_EQ(req_flush->name, IPSET_TOKEN_ALL)) { -+ /* Flush all sets */ -+ index = IP_SET_INVALID_ID; -+ } else { -+ req_flush->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byname(req_flush->name); -+ -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ } -+ res = ip_set_flush(index); -+ goto done; -+ } -+ case IP_SET_OP_RENAME:{ -+ struct ip_set_req_create *req_rename = data; -+ -+ if (len != sizeof(struct ip_set_req_create)) { -+ ip_set_printk("invalid RENAME data (want %zu, got %u)", -+ sizeof(struct ip_set_req_create), len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ req_rename->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ req_rename->typename[IP_SET_MAXNAMELEN - 1] = '\0'; -+ -+ index = ip_set_find_byname(req_rename->name); -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ res = ip_set_rename(index, req_rename->typename); -+ goto done; -+ } -+ case IP_SET_OP_SWAP:{ -+ struct ip_set_req_create *req_swap = data; -+ ip_set_id_t to_index; -+ -+ if (len != sizeof(struct ip_set_req_create)) { -+ ip_set_printk("invalid SWAP data (want %zu, got %u)", -+ sizeof(struct ip_set_req_create), len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ req_swap->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ req_swap->typename[IP_SET_MAXNAMELEN - 1] = '\0'; -+ -+ index = ip_set_find_byname(req_swap->name); -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ to_index = ip_set_find_byname(req_swap->typename); -+ if (to_index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ res = ip_set_swap(index, to_index); -+ goto done; -+ } -+ default: -+ break; /* Set identified by id */ -+ } -+ -+ /* There we may have add/del/test/bind/unbind/test_bind operations */ -+ if (*op < IP_SET_OP_ADD_IP || *op > IP_SET_OP_TEST_BIND_SET) { -+ res = -EBADMSG; -+ goto done; -+ } -+ adtfn = adtfn_table[*op - IP_SET_OP_ADD_IP].fn; -+ -+ if (len < sizeof(struct ip_set_req_adt)) { -+ ip_set_printk("short data in adt request (want >=%zu, got %u)", -+ sizeof(struct ip_set_req_adt), len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_adt = data; -+ -+ /* -U :all: :all:|:default: uses IP_SET_INVALID_ID */ -+ if (!(*op == IP_SET_OP_UNBIND_SET -+ && req_adt->index == IP_SET_INVALID_ID)) { -+ index = ip_set_find_byindex(req_adt->index); -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ } -+ res = adtfn(index, data, len); -+ -+ done: -+ up(&ip_set_app_mutex); -+ vfree(data); -+ if (res > 0) -+ res = 0; -+ DP("final result %d", res); -+ return res; -+} -+ -+static int -+ip_set_sockfn_get(struct sock *sk, int optval, void *user, int *len) -+{ -+ int res = 0; -+ unsigned *op; -+ ip_set_id_t index = IP_SET_INVALID_ID; -+ void *data; -+ int copylen = *len; -+ -+ DP("optval=%d, user=%p, len=%d", optval, user, *len); -+ if (!capable(CAP_NET_ADMIN)) -+ return -EPERM; -+ if (optval != SO_IP_SET) -+ return -EBADF; -+ if (*len < sizeof(unsigned)) { -+ ip_set_printk("short userdata (want >=%zu, got %d)", -+ sizeof(unsigned), *len); -+ return -EINVAL; -+ } -+ data = vmalloc(*len); -+ if (!data) { -+ DP("out of mem for %d bytes", *len); -+ return -ENOMEM; -+ } -+ if (copy_from_user(data, user, *len) != 0) { -+ res = -EFAULT; -+ goto done; -+ } -+ if (down_interruptible(&ip_set_app_mutex)) { -+ res = -EINTR; -+ goto done; -+ } -+ -+ op = (unsigned *) data; -+ DP("op=%x", *op); -+ -+ if (*op < IP_SET_OP_VERSION) { -+ /* Check the version at the beginning of operations */ -+ struct ip_set_req_version *req_version = data; -+ if (req_version->version != IP_SET_PROTOCOL_VERSION) { -+ res = -EPROTO; -+ goto done; -+ } -+ } -+ -+ switch (*op) { -+ case IP_SET_OP_VERSION: { -+ struct ip_set_req_version *req_version = data; -+ -+ if (*len != sizeof(struct ip_set_req_version)) { -+ ip_set_printk("invalid VERSION (want %zu, got %d)", -+ sizeof(struct ip_set_req_version), -+ *len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ req_version->version = IP_SET_PROTOCOL_VERSION; -+ res = copy_to_user(user, req_version, -+ sizeof(struct ip_set_req_version)); -+ goto done; -+ } -+ case IP_SET_OP_GET_BYNAME: { -+ struct ip_set_req_get_set *req_get = data; -+ -+ if (*len != sizeof(struct ip_set_req_get_set)) { -+ ip_set_printk("invalid GET_BYNAME (want %zu, got %d)", -+ sizeof(struct ip_set_req_get_set), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byname(req_get->set.name); -+ req_get->set.index = index; -+ goto copy; -+ } -+ case IP_SET_OP_GET_BYINDEX: { -+ struct ip_set_req_get_set *req_get = data; -+ -+ if (*len != sizeof(struct ip_set_req_get_set)) { -+ ip_set_printk("invalid GET_BYINDEX (want %zu, got %d)", -+ sizeof(struct ip_set_req_get_set), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byindex(req_get->set.index); -+ strncpy(req_get->set.name, -+ index == IP_SET_INVALID_ID ? "" -+ : ip_set_list[index]->name, IP_SET_MAXNAMELEN); -+ goto copy; -+ } -+ case IP_SET_OP_ADT_GET: { -+ struct ip_set_req_adt_get *req_get = data; -+ -+ if (*len != sizeof(struct ip_set_req_adt_get)) { -+ ip_set_printk("invalid ADT_GET (want %zu, got %d)", -+ sizeof(struct ip_set_req_adt_get), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byname(req_get->set.name); -+ if (index != IP_SET_INVALID_ID) { -+ req_get->set.index = index; -+ strncpy(req_get->typename, -+ ip_set_list[index]->type->typename, -+ IP_SET_MAXNAMELEN - 1); -+ } else { -+ res = -ENOENT; -+ goto done; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_MAX_SETS: { -+ struct ip_set_req_max_sets *req_max_sets = data; -+ ip_set_id_t i; -+ -+ if (*len != sizeof(struct ip_set_req_max_sets)) { -+ ip_set_printk("invalid MAX_SETS (want %zu, got %d)", -+ sizeof(struct ip_set_req_max_sets), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ if (SETNAME_EQ(req_max_sets->set.name, IPSET_TOKEN_ALL)) { -+ req_max_sets->set.index = IP_SET_INVALID_ID; -+ } else { -+ req_max_sets->set.name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ req_max_sets->set.index = -+ ip_set_find_byname(req_max_sets->set.name); -+ if (req_max_sets->set.index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ } -+ req_max_sets->max_sets = ip_set_max; -+ req_max_sets->sets = 0; -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL) -+ req_max_sets->sets++; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_LIST_SIZE: -+ case IP_SET_OP_SAVE_SIZE: { -+ struct ip_set_req_setnames *req_setnames = data; -+ struct ip_set_name_list *name_list; -+ struct ip_set *set; -+ ip_set_id_t i; -+ int used; -+ -+ if (*len < sizeof(struct ip_set_req_setnames)) { -+ ip_set_printk("short LIST_SIZE (want >=%zu, got %d)", -+ sizeof(struct ip_set_req_setnames), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ req_setnames->size = 0; -+ used = sizeof(struct ip_set_req_setnames); -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] == NULL) -+ continue; -+ name_list = data + used; -+ used += sizeof(struct ip_set_name_list); -+ if (used > copylen) { -+ res = -EAGAIN; -+ goto done; -+ } -+ set = ip_set_list[i]; -+ /* Fill in index, name, etc. */ -+ name_list->index = i; -+ name_list->id = set->id; -+ strncpy(name_list->name, -+ set->name, -+ IP_SET_MAXNAMELEN - 1); -+ strncpy(name_list->typename, -+ set->type->typename, -+ IP_SET_MAXNAMELEN - 1); -+ DP("filled %s of type %s, index %u\n", -+ name_list->name, name_list->typename, -+ name_list->index); -+ if (!(req_setnames->index == IP_SET_INVALID_ID -+ || req_setnames->index == i)) -+ continue; -+ /* Update size */ -+ switch (*op) { -+ case IP_SET_OP_LIST_SIZE: { -+ req_setnames->size += sizeof(struct ip_set_list) -+ + set->type->header_size -+ + set->type->list_members_size(set); -+ /* Sets are identified by id in the hash */ -+ FOREACH_HASH_DO(__set_hash_bindings_size_list, -+ set->id, &req_setnames->size); -+ break; -+ } -+ case IP_SET_OP_SAVE_SIZE: { -+ req_setnames->size += sizeof(struct ip_set_save) -+ + set->type->header_size -+ + set->type->list_members_size(set); -+ FOREACH_HASH_DO(__set_hash_bindings_size_save, -+ set->id, &req_setnames->size); -+ break; -+ } -+ default: -+ break; -+ } -+ } -+ if (copylen != used) { -+ res = -EAGAIN; -+ goto done; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_LIST: { -+ struct ip_set_req_list *req_list = data; -+ ip_set_id_t i; -+ int used; -+ -+ if (*len < sizeof(struct ip_set_req_list)) { -+ ip_set_printk("short LIST (want >=%zu, got %d)", -+ sizeof(struct ip_set_req_list), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ index = req_list->index; -+ if (index != IP_SET_INVALID_ID -+ && ip_set_find_byindex(index) != index) { -+ res = -ENOENT; -+ goto done; -+ } -+ used = 0; -+ if (index == IP_SET_INVALID_ID) { -+ /* List all sets */ -+ for (i = 0; i < ip_set_max && res == 0; i++) { -+ if (ip_set_list[i] != NULL) -+ res = ip_set_list_set(i, data, &used, *len); -+ } -+ } else { -+ /* List an individual set */ -+ res = ip_set_list_set(index, data, &used, *len); -+ } -+ if (res != 0) -+ goto done; -+ else if (copylen != used) { -+ res = -EAGAIN; -+ goto done; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_SAVE: { -+ struct ip_set_req_list *req_save = data; -+ ip_set_id_t i; -+ int used; -+ -+ if (*len < sizeof(struct ip_set_req_list)) { -+ ip_set_printk("short SAVE (want >=%zu, got %d)", -+ sizeof(struct ip_set_req_list), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ index = req_save->index; -+ if (index != IP_SET_INVALID_ID -+ && ip_set_find_byindex(index) != index) { -+ res = -ENOENT; -+ goto done; -+ } -+ -+#define SETLIST(set) (strcmp(set->type->typename, "setlist") == 0) -+ -+ used = 0; -+ if (index == IP_SET_INVALID_ID) { -+ /* Save all sets: ugly setlist type dependency */ -+ int setlist = 0; -+ setlists: -+ for (i = 0; i < ip_set_max && res == 0; i++) { -+ if (ip_set_list[i] != NULL -+ && !(setlist ^ SETLIST(ip_set_list[i]))) -+ res = ip_set_save_set(i, data, &used, *len); -+ } -+ if (!setlist) { -+ setlist = 1; -+ goto setlists; -+ } -+ } else { -+ /* Save an individual set */ -+ res = ip_set_save_set(index, data, &used, *len); -+ } -+ if (res == 0) -+ res = ip_set_save_bindings(index, data, &used, *len); -+ -+ if (res != 0) -+ goto done; -+ else if (copylen != used) { -+ res = -EAGAIN; -+ goto done; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_RESTORE: { -+ struct ip_set_req_setnames *req_restore = data; -+ int line; -+ -+ if (*len < sizeof(struct ip_set_req_setnames) -+ || *len != req_restore->size) { -+ ip_set_printk("invalid RESTORE (want =%lu, got %d)", -+ (long unsigned)req_restore->size, *len); -+ res = -EINVAL; -+ goto done; -+ } -+ line = ip_set_restore(data + sizeof(struct ip_set_req_setnames), -+ req_restore->size - sizeof(struct ip_set_req_setnames)); -+ DP("ip_set_restore: %d", line); -+ if (line != 0) { -+ res = -EAGAIN; -+ req_restore->size = line; -+ copylen = sizeof(struct ip_set_req_setnames); -+ goto copy; -+ } -+ goto done; -+ } -+ default: -+ res = -EBADMSG; -+ goto done; -+ } /* end of switch(op) */ -+ -+ copy: -+ DP("set %s, copylen %d", index != IP_SET_INVALID_ID -+ && ip_set_list[index] -+ ? ip_set_list[index]->name -+ : ":all:", copylen); -+ res = copy_to_user(user, data, copylen); -+ -+ done: -+ up(&ip_set_app_mutex); -+ vfree(data); -+ if (res > 0) -+ res = 0; -+ DP("final result %d", res); -+ return res; -+} -+ -+static struct nf_sockopt_ops so_set = { -+ .pf = PF_INET, -+ .set_optmin = SO_IP_SET, -+ .set_optmax = SO_IP_SET + 1, -+ .set = &ip_set_sockfn_set, -+ .get_optmin = SO_IP_SET, -+ .get_optmax = SO_IP_SET + 1, -+ .get = &ip_set_sockfn_get, -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -+ .use = 0, -+#else -+ .owner = THIS_MODULE, -+#endif -+}; -+ -+static int max_sets, hash_size; -+ -+module_param(max_sets, int, 0600); -+MODULE_PARM_DESC(max_sets, "maximal number of sets"); -+module_param(hash_size, int, 0600); -+MODULE_PARM_DESC(hash_size, "hash size for bindings"); -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("module implementing core IP set support"); -+ -+static int __init ip_set_init(void) -+{ -+ int res; -+ ip_set_id_t i; -+ -+ get_random_bytes(&ip_set_hash_random, 4); -+ if (max_sets) -+ ip_set_max = max_sets; -+ ip_set_list = vmalloc(sizeof(struct ip_set *) * ip_set_max); -+ if (!ip_set_list) { -+ printk(KERN_ERR "Unable to create ip_set_list\n"); -+ return -ENOMEM; -+ } -+ memset(ip_set_list, 0, sizeof(struct ip_set *) * ip_set_max); -+ if (hash_size) -+ ip_set_bindings_hash_size = hash_size; -+ ip_set_hash = vmalloc(sizeof(struct list_head) * ip_set_bindings_hash_size); -+ if (!ip_set_hash) { -+ printk(KERN_ERR "Unable to create ip_set_hash\n"); -+ vfree(ip_set_list); -+ return -ENOMEM; -+ } -+ for (i = 0; i < ip_set_bindings_hash_size; i++) -+ INIT_LIST_HEAD(&ip_set_hash[i]); -+ -+ INIT_LIST_HEAD(&set_type_list); -+ -+ res = nf_register_sockopt(&so_set); -+ if (res != 0) { -+ ip_set_printk("SO_SET registry failed: %d", res); -+ vfree(ip_set_list); -+ vfree(ip_set_hash); -+ return res; -+ } -+ -+ return 0; -+} -+ -+static void __exit ip_set_fini(void) -+{ -+ /* There can't be any existing set or binding */ -+ nf_unregister_sockopt(&so_set); -+ vfree(ip_set_list); -+ vfree(ip_set_hash); -+ DP("these are the famous last words"); -+} -+ -+EXPORT_SYMBOL(ip_set_register_set_type); -+EXPORT_SYMBOL(ip_set_unregister_set_type); -+ -+EXPORT_SYMBOL(ip_set_get_byname); -+EXPORT_SYMBOL(ip_set_get_byindex); -+EXPORT_SYMBOL(ip_set_put_byindex); -+EXPORT_SYMBOL(ip_set_id); -+EXPORT_SYMBOL(__ip_set_get_byname); -+EXPORT_SYMBOL(__ip_set_put_byindex); -+ -+EXPORT_SYMBOL(ip_set_addip_kernel); -+EXPORT_SYMBOL(ip_set_delip_kernel); -+EXPORT_SYMBOL(ip_set_testip_kernel); -+ -+module_init(ip_set_init); -+module_exit(ip_set_fini); ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_iphash.c -@@ -0,0 +1,166 @@ -+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an ip hash set */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/random.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_iphash.h> -+ -+static int limit = MAX_RANGE; -+ -+static inline __u32 -+iphash_id(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iphash *map = set->data; -+ __u32 id; -+ u_int16_t i; -+ ip_set_ip_t *elem; -+ -+ *hash_ip = ip & map->netmask; -+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip), HIPQUAD(map->netmask)); -+ -+ for (i = 0; i < map->probes; i++) { -+ id = jhash_ip(map, i, *hash_ip) % map->hashsize; -+ DP("hash key: %u", id); -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ if (*elem == *hash_ip) -+ return id; -+ /* No shortcut - there can be deleted entries. */ -+ } -+ return UINT_MAX; -+} -+ -+static inline int -+iphash_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ return (ip && iphash_id(set, hash_ip, ip) != UINT_MAX); -+} -+ -+#define KADT_CONDITION -+ -+UADT(iphash, test) -+KADT(iphash, test, ipaddr) -+ -+static inline int -+__iphash_add(struct ip_set_iphash *map, ip_set_ip_t *ip) -+{ -+ __u32 probe; -+ u_int16_t i; -+ ip_set_ip_t *elem, *slot = NULL; -+ -+ for (i = 0; i < map->probes; i++) { -+ probe = jhash_ip(map, i, *ip) % map->hashsize; -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe); -+ if (*elem == *ip) -+ return -EEXIST; -+ if (!(slot || *elem)) -+ slot = elem; -+ /* There can be deleted entries, must check all slots */ -+ } -+ if (slot) { -+ *slot = *ip; -+ map->elements++; -+ return 0; -+ } -+ /* Trigger rehashing */ -+ return -EAGAIN; -+} -+ -+static inline int -+iphash_add(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iphash *map = set->data; -+ -+ if (!ip || map->elements >= limit) -+ return -ERANGE; -+ -+ *hash_ip = ip & map->netmask; -+ -+ return __iphash_add(map, hash_ip); -+} -+ -+UADT(iphash, add) -+KADT(iphash, add, ipaddr) -+ -+static inline void -+__iphash_retry(struct ip_set_iphash *tmp, struct ip_set_iphash *map) -+{ -+ tmp->netmask = map->netmask; -+} -+ -+HASH_RETRY(iphash, ip_set_ip_t) -+ -+static inline int -+iphash_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iphash *map = set->data; -+ ip_set_ip_t id, *elem; -+ -+ if (!ip) -+ return -ERANGE; -+ -+ id = iphash_id(set, hash_ip, ip); -+ if (id == UINT_MAX) -+ return -EEXIST; -+ -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ *elem = 0; -+ map->elements--; -+ -+ return 0; -+} -+ -+UADT(iphash, del) -+KADT(iphash, del, ipaddr) -+ -+static inline int -+__iphash_create(const struct ip_set_req_iphash_create *req, -+ struct ip_set_iphash *map) -+{ -+ map->netmask = req->netmask; -+ -+ return 0; -+} -+ -+HASH_CREATE(iphash, ip_set_ip_t) -+HASH_DESTROY(iphash) -+ -+HASH_FLUSH(iphash, ip_set_ip_t) -+ -+static inline void -+__iphash_list_header(const struct ip_set_iphash *map, -+ struct ip_set_req_iphash_create *header) -+{ -+ header->netmask = map->netmask; -+} -+ -+HASH_LIST_HEADER(iphash) -+HASH_LIST_MEMBERS_SIZE(iphash, ip_set_ip_t) -+HASH_LIST_MEMBERS(iphash, ip_set_ip_t) -+ -+IP_SET_RTYPE(iphash, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("iphash type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+REGISTER_MODULE(iphash) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_ipmap.c -@@ -0,0 +1,142 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an IP set type: the single bitmap type */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+ -+#include <linux/netfilter_ipv4/ip_set_ipmap.h> -+ -+static inline ip_set_ip_t -+ip_to_id(const struct ip_set_ipmap *map, ip_set_ip_t ip) -+{ -+ return (ip - map->first_ip)/map->hosts; -+} -+ -+static inline int -+ipmap_test(const struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ const struct ip_set_ipmap *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = ip & map->netmask; -+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ return !!test_bit(ip_to_id(map, *hash_ip), map->members); -+} -+ -+#define KADT_CONDITION -+ -+UADT(ipmap, test) -+KADT(ipmap, test, ipaddr) -+ -+static inline int -+ipmap_add(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_ipmap *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = ip & map->netmask; -+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ if (test_and_set_bit(ip_to_id(map, *hash_ip), map->members)) -+ return -EEXIST; -+ -+ return 0; -+} -+ -+UADT(ipmap, add) -+KADT(ipmap, add, ipaddr) -+ -+static inline int -+ipmap_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_ipmap *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = ip & map->netmask; -+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ if (!test_and_clear_bit(ip_to_id(map, *hash_ip), map->members)) -+ return -EEXIST; -+ -+ return 0; -+} -+ -+UADT(ipmap, del) -+KADT(ipmap, del, ipaddr) -+ -+static inline int -+__ipmap_create(const struct ip_set_req_ipmap_create *req, -+ struct ip_set_ipmap *map) -+{ -+ map->netmask = req->netmask; -+ -+ if (req->netmask == 0xFFFFFFFF) { -+ map->hosts = 1; -+ map->sizeid = map->last_ip - map->first_ip + 1; -+ } else { -+ unsigned int mask_bits, netmask_bits; -+ ip_set_ip_t mask; -+ -+ map->first_ip &= map->netmask; /* Should we better bark? */ -+ -+ mask = range_to_mask(map->first_ip, map->last_ip, &mask_bits); -+ netmask_bits = mask_to_bits(map->netmask); -+ -+ if ((!mask && (map->first_ip || map->last_ip != 0xFFFFFFFF)) -+ || netmask_bits <= mask_bits) -+ return -ENOEXEC; -+ -+ DP("mask_bits %u, netmask_bits %u", -+ mask_bits, netmask_bits); -+ map->hosts = 2 << (32 - netmask_bits - 1); -+ map->sizeid = 2 << (netmask_bits - mask_bits - 1); -+ } -+ if (map->sizeid > MAX_RANGE + 1) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ map->sizeid, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ DP("hosts %u, sizeid %u", map->hosts, map->sizeid); -+ return bitmap_bytes(0, map->sizeid - 1); -+} -+ -+BITMAP_CREATE(ipmap) -+BITMAP_DESTROY(ipmap) -+BITMAP_FLUSH(ipmap) -+ -+static inline void -+__ipmap_list_header(const struct ip_set_ipmap *map, -+ struct ip_set_req_ipmap_create *header) -+{ -+ header->netmask = map->netmask; -+} -+ -+BITMAP_LIST_HEADER(ipmap) -+BITMAP_LIST_MEMBERS_SIZE(ipmap) -+BITMAP_LIST_MEMBERS(ipmap) -+ -+IP_SET_TYPE(ipmap, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("ipmap type of IP sets"); -+ -+REGISTER_MODULE(ipmap) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_ipporthash.c -@@ -0,0 +1,203 @@ -+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an ip+port hash set */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/tcp.h> -+#include <linux/udp.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/random.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_ipporthash.h> -+#include <linux/netfilter_ipv4/ip_set_getport.h> -+ -+static int limit = MAX_RANGE; -+ -+static inline __u32 -+ipporthash_id(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port) -+{ -+ struct ip_set_ipporthash *map = set->data; -+ __u32 id; -+ u_int16_t i; -+ ip_set_ip_t *elem; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ -+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip)); -+ if (!*hash_ip) -+ return UINT_MAX; -+ -+ for (i = 0; i < map->probes; i++) { -+ id = jhash_ip(map, i, *hash_ip) % map->hashsize; -+ DP("hash key: %u", id); -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ if (*elem == *hash_ip) -+ return id; -+ /* No shortcut - there can be deleted entries. */ -+ } -+ return UINT_MAX; -+} -+ -+static inline int -+ipporthash_test(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port) -+{ -+ struct ip_set_ipporthash *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ return (ipporthash_id(set, hash_ip, ip, port) != UINT_MAX); -+} -+ -+#define KADT_CONDITION \ -+ ip_set_ip_t port; \ -+ \ -+ if (flags[index+1] == 0) \ -+ return 0; \ -+ \ -+ port = get_port(skb, flags[index+1]); \ -+ \ -+ if (port == INVALID_PORT) \ -+ return 0; -+ -+UADT(ipporthash, test, req->port) -+KADT(ipporthash, test, ipaddr, port) -+ -+static inline int -+__ipporthash_add(struct ip_set_ipporthash *map, ip_set_ip_t *ip) -+{ -+ __u32 probe; -+ u_int16_t i; -+ ip_set_ip_t *elem, *slot = NULL; -+ -+ for (i = 0; i < map->probes; i++) { -+ probe = jhash_ip(map, i, *ip) % map->hashsize; -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe); -+ if (*elem == *ip) -+ return -EEXIST; -+ if (!(slot || *elem)) -+ slot = elem; -+ /* There can be deleted entries, must check all slots */ -+ } -+ if (slot) { -+ *slot = *ip; -+ map->elements++; -+ return 0; -+ } -+ /* Trigger rehashing */ -+ return -EAGAIN; -+} -+ -+static inline int -+ipporthash_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port) -+{ -+ struct ip_set_ipporthash *map = set->data; -+ if (map->elements > limit) -+ return -ERANGE; -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ -+ if (!*hash_ip) -+ return -ERANGE; -+ -+ return __ipporthash_add(map, hash_ip); -+} -+ -+UADT(ipporthash, add, req->port) -+KADT(ipporthash, add, ipaddr, port) -+ -+static inline void -+__ipporthash_retry(struct ip_set_ipporthash *tmp, -+ struct ip_set_ipporthash *map) -+{ -+ tmp->first_ip = map->first_ip; -+ tmp->last_ip = map->last_ip; -+} -+ -+HASH_RETRY(ipporthash, ip_set_ip_t) -+ -+static inline int -+ipporthash_del(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port) -+{ -+ struct ip_set_ipporthash *map = set->data; -+ ip_set_ip_t id; -+ ip_set_ip_t *elem; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ id = ipporthash_id(set, hash_ip, ip, port); -+ -+ if (id == UINT_MAX) -+ return -EEXIST; -+ -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ *elem = 0; -+ map->elements--; -+ -+ return 0; -+} -+ -+UADT(ipporthash, del, req->port) -+KADT(ipporthash, del, ipaddr, port) -+ -+static inline int -+__ipporthash_create(const struct ip_set_req_ipporthash_create *req, -+ struct ip_set_ipporthash *map) -+{ -+ if (req->to - req->from > MAX_RANGE) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ req->to - req->from + 1, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ map->first_ip = req->from; -+ map->last_ip = req->to; -+ return 0; -+} -+ -+HASH_CREATE(ipporthash, ip_set_ip_t) -+HASH_DESTROY(ipporthash) -+HASH_FLUSH(ipporthash, ip_set_ip_t) -+ -+static inline void -+__ipporthash_list_header(const struct ip_set_ipporthash *map, -+ struct ip_set_req_ipporthash_create *header) -+{ -+ header->from = map->first_ip; -+ header->to = map->last_ip; -+} -+ -+HASH_LIST_HEADER(ipporthash) -+HASH_LIST_MEMBERS_SIZE(ipporthash, ip_set_ip_t) -+HASH_LIST_MEMBERS(ipporthash, ip_set_ip_t) -+ -+IP_SET_RTYPE(ipporthash, IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_DATA_DOUBLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("ipporthash type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+REGISTER_MODULE(ipporthash) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_ipportiphash.c -@@ -0,0 +1,216 @@ -+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an ip+port+ip hash set */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/tcp.h> -+#include <linux/udp.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/random.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_ipportiphash.h> -+#include <linux/netfilter_ipv4/ip_set_getport.h> -+ -+static int limit = MAX_RANGE; -+ -+#define jhash_ip2(map, i, ipport, ip1) \ -+ jhash_2words(ipport, ip1, *(map->initval + i)) -+ -+static inline __u32 -+ipportiphash_id(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportiphash *map = set->data; -+ __u32 id; -+ u_int16_t i; -+ struct ipportip *elem; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip)); -+ if (!(*hash_ip || ip1)) -+ return UINT_MAX; -+ -+ for (i = 0; i < map->probes; i++) { -+ id = jhash_ip2(map, i, *hash_ip, ip1) % map->hashsize; -+ DP("hash key: %u", id); -+ elem = HARRAY_ELEM(map->members, struct ipportip *, id); -+ if (elem->ip == *hash_ip && elem->ip1 == ip1) -+ return id; -+ /* No shortcut - there can be deleted entries. */ -+ } -+ return UINT_MAX; -+} -+ -+static inline int -+ipportiphash_test(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportiphash *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ return (ipportiphash_id(set, hash_ip, ip, port, ip1) != UINT_MAX); -+} -+ -+#define KADT_CONDITION \ -+ ip_set_ip_t port, ip1; \ -+ \ -+ if (flags[index+2] == 0) \ -+ return 0; \ -+ \ -+ port = get_port(skb, flags[index+1]); \ -+ ip1 = ipaddr(skb, flags[index+2]); \ -+ \ -+ if (port == INVALID_PORT) \ -+ return 0; -+ -+UADT(ipportiphash, test, req->port, req->ip1) -+KADT(ipportiphash, test, ipaddr, port, ip1) -+ -+static inline int -+__ipportip_add(struct ip_set_ipportiphash *map, -+ ip_set_ip_t hash_ip, ip_set_ip_t ip1) -+{ -+ __u32 probe; -+ u_int16_t i; -+ struct ipportip *elem, *slot = NULL; -+ -+ for (i = 0; i < map->probes; i++) { -+ probe = jhash_ip2(map, i, hash_ip, ip1) % map->hashsize; -+ elem = HARRAY_ELEM(map->members, struct ipportip *, probe); -+ if (elem->ip == hash_ip && elem->ip1 == ip1) -+ return -EEXIST; -+ if (!(slot || elem->ip || elem->ip1)) -+ slot = elem; -+ /* There can be deleted entries, must check all slots */ -+ } -+ if (slot) { -+ slot->ip = hash_ip; -+ slot->ip1 = ip1; -+ map->elements++; -+ return 0; -+ } -+ /* Trigger rehashing */ -+ return -EAGAIN; -+} -+ -+static inline int -+__ipportiphash_add(struct ip_set_ipportiphash *map, -+ struct ipportip *elem) -+{ -+ return __ipportip_add(map, elem->ip, elem->ip1); -+} -+ -+static inline int -+ipportiphash_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportiphash *map = set->data; -+ -+ if (map->elements > limit) -+ return -ERANGE; -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ if (!(*hash_ip || ip1)) -+ return -ERANGE; -+ -+ return __ipportip_add(map, *hash_ip, ip1); -+} -+ -+UADT(ipportiphash, add, req->port, req->ip1) -+KADT(ipportiphash, add, ipaddr, port, ip1) -+ -+static inline void -+__ipportiphash_retry(struct ip_set_ipportiphash *tmp, -+ struct ip_set_ipportiphash *map) -+{ -+ tmp->first_ip = map->first_ip; -+ tmp->last_ip = map->last_ip; -+} -+ -+HASH_RETRY2(ipportiphash, struct ipportip) -+ -+static inline int -+ipportiphash_del(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportiphash *map = set->data; -+ ip_set_ip_t id; -+ struct ipportip *elem; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ id = ipportiphash_id(set, hash_ip, ip, port, ip1); -+ -+ if (id == UINT_MAX) -+ return -EEXIST; -+ -+ elem = HARRAY_ELEM(map->members, struct ipportip *, id); -+ elem->ip = elem->ip1 = 0; -+ map->elements--; -+ -+ return 0; -+} -+ -+UADT(ipportiphash, del, req->port, req->ip1) -+KADT(ipportiphash, del, ipaddr, port, ip1) -+ -+static inline int -+__ipportiphash_create(const struct ip_set_req_ipportiphash_create *req, -+ struct ip_set_ipportiphash *map) -+{ -+ if (req->to - req->from > MAX_RANGE) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ req->to - req->from + 1, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ map->first_ip = req->from; -+ map->last_ip = req->to; -+ return 0; -+} -+ -+HASH_CREATE(ipportiphash, struct ipportip) -+HASH_DESTROY(ipportiphash) -+HASH_FLUSH(ipportiphash, struct ipportip) -+ -+static inline void -+__ipportiphash_list_header(const struct ip_set_ipportiphash *map, -+ struct ip_set_req_ipportiphash_create *header) -+{ -+ header->from = map->first_ip; -+ header->to = map->last_ip; -+} -+ -+HASH_LIST_HEADER(ipportiphash) -+HASH_LIST_MEMBERS_SIZE(ipportiphash, struct ipportip) -+HASH_LIST_MEMBERS_MEMCPY(ipportiphash, struct ipportip) -+ -+IP_SET_RTYPE(ipportiphash, IPSET_TYPE_IP | IPSET_TYPE_PORT -+ | IPSET_TYPE_IP1 | IPSET_DATA_TRIPLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("ipportiphash type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+REGISTER_MODULE(ipportiphash) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_ipportnethash.c -@@ -0,0 +1,304 @@ -+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an ip+port+net hash set */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/tcp.h> -+#include <linux/udp.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/random.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_ipportnethash.h> -+#include <linux/netfilter_ipv4/ip_set_getport.h> -+ -+static int limit = MAX_RANGE; -+ -+#define jhash_ip2(map, i, ipport, ip1) \ -+ jhash_2words(ipport, ip1, *(map->initval + i)) -+ -+static inline __u32 -+ipportnethash_id_cidr(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, -+ ip_set_ip_t ip1, uint8_t cidr) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ __u32 id; -+ u_int16_t i; -+ struct ipportip *elem; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip)); -+ ip1 = pack_ip_cidr(ip1, cidr); -+ if (!(*hash_ip || ip1)) -+ return UINT_MAX; -+ -+ for (i = 0; i < map->probes; i++) { -+ id = jhash_ip2(map, i, *hash_ip, ip1) % map->hashsize; -+ DP("hash key: %u", id); -+ elem = HARRAY_ELEM(map->members, struct ipportip *, id); -+ if (elem->ip == *hash_ip && elem->ip1 == ip1) -+ return id; -+ /* No shortcut - there can be deleted entries. */ -+ } -+ return UINT_MAX; -+} -+ -+static inline __u32 -+ipportnethash_id(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ __u32 id = UINT_MAX; -+ int i; -+ -+ for (i = 0; i < 30 && map->cidr[i]; i++) { -+ id = ipportnethash_id_cidr(set, hash_ip, ip, port, ip1, -+ map->cidr[i]); -+ if (id != UINT_MAX) -+ break; -+ } -+ return id; -+} -+ -+static inline int -+ipportnethash_test_cidr(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, -+ ip_set_ip_t ip1, uint8_t cidr) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ return (ipportnethash_id_cidr(set, hash_ip, ip, port, ip1, -+ cidr) != UINT_MAX); -+} -+ -+static inline int -+ipportnethash_test(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ return (ipportnethash_id(set, hash_ip, ip, port, ip1) != UINT_MAX); -+} -+ -+static int -+ipportnethash_utest(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ const struct ip_set_req_ipportnethash *req = data; -+ -+ if (req->cidr <= 0 || req->cidr > 32) -+ return -EINVAL; -+ return (req->cidr == 32 -+ ? ipportnethash_test(set, hash_ip, req->ip, req->port, -+ req->ip1) -+ : ipportnethash_test_cidr(set, hash_ip, req->ip, req->port, -+ req->ip1, req->cidr)); -+} -+ -+#define KADT_CONDITION \ -+ ip_set_ip_t port, ip1; \ -+ \ -+ if (flags[index+2] == 0) \ -+ return 0; \ -+ \ -+ port = get_port(skb, flags[index+1]); \ -+ ip1 = ipaddr(skb, flags[index+2]); \ -+ \ -+ if (port == INVALID_PORT) \ -+ return 0; -+ -+KADT(ipportnethash, test, ipaddr, port, ip1) -+ -+static inline int -+__ipportnet_add(struct ip_set_ipportnethash *map, -+ ip_set_ip_t hash_ip, ip_set_ip_t ip1) -+{ -+ __u32 probe; -+ u_int16_t i; -+ struct ipportip *elem, *slot = NULL; -+ -+ for (i = 0; i < map->probes; i++) { -+ probe = jhash_ip2(map, i, hash_ip, ip1) % map->hashsize; -+ elem = HARRAY_ELEM(map->members, struct ipportip *, probe); -+ if (elem->ip == hash_ip && elem->ip1 == ip1) -+ return -EEXIST; -+ if (!(slot || elem->ip || elem->ip1)) -+ slot = elem; -+ /* There can be deleted entries, must check all slots */ -+ } -+ if (slot) { -+ slot->ip = hash_ip; -+ slot->ip1 = ip1; -+ map->elements++; -+ return 0; -+ } -+ /* Trigger rehashing */ -+ return -EAGAIN; -+} -+ -+static inline int -+__ipportnethash_add(struct ip_set_ipportnethash *map, -+ struct ipportip *elem) -+{ -+ return __ipportnet_add(map, elem->ip, elem->ip1); -+} -+ -+static inline int -+ipportnethash_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, -+ ip_set_ip_t ip1, uint8_t cidr) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ struct ipportip; -+ int ret; -+ -+ if (map->elements > limit) -+ return -ERANGE; -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ if (cidr <= 0 || cidr >= 32) -+ return -EINVAL; -+ if (map->nets[cidr-1] == UINT16_MAX) -+ return -ERANGE; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ ip1 = pack_ip_cidr(ip1, cidr); -+ if (!(*hash_ip || ip1)) -+ return -ERANGE; -+ -+ ret =__ipportnet_add(map, *hash_ip, ip1); -+ if (ret == 0) { -+ if (!map->nets[cidr-1]++) -+ add_cidr_size(map->cidr, cidr); -+ map->elements++; -+ } -+ return ret; -+} -+ -+#undef KADT_CONDITION -+#define KADT_CONDITION \ -+ struct ip_set_ipportnethash *map = set->data; \ -+ uint8_t cidr = map->cidr[0] ? map->cidr[0] : 31; \ -+ ip_set_ip_t port, ip1; \ -+ \ -+ if (flags[index+2] == 0) \ -+ return 0; \ -+ \ -+ port = get_port(skb, flags[index+1]); \ -+ ip1 = ipaddr(skb, flags[index+2]); \ -+ \ -+ if (port == INVALID_PORT) \ -+ return 0; -+ -+UADT(ipportnethash, add, req->port, req->ip1, req->cidr) -+KADT(ipportnethash, add, ipaddr, port, ip1, cidr) -+ -+static inline void -+__ipportnethash_retry(struct ip_set_ipportnethash *tmp, -+ struct ip_set_ipportnethash *map) -+{ -+ tmp->first_ip = map->first_ip; -+ tmp->last_ip = map->last_ip; -+ memcpy(tmp->cidr, map->cidr, sizeof(tmp->cidr)); -+ memcpy(tmp->nets, map->nets, sizeof(tmp->nets)); -+} -+ -+HASH_RETRY2(ipportnethash, struct ipportip) -+ -+static inline int -+ipportnethash_del(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, -+ ip_set_ip_t ip1, uint8_t cidr) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ ip_set_ip_t id; -+ struct ipportip *elem; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ if (!ip) -+ return -ERANGE; -+ if (cidr <= 0 || cidr >= 32) -+ return -EINVAL; -+ -+ id = ipportnethash_id_cidr(set, hash_ip, ip, port, ip1, cidr); -+ -+ if (id == UINT_MAX) -+ return -EEXIST; -+ -+ elem = HARRAY_ELEM(map->members, struct ipportip *, id); -+ elem->ip = elem->ip1 = 0; -+ map->elements--; -+ if (!map->nets[cidr-1]--) -+ del_cidr_size(map->cidr, cidr); -+ -+ return 0; -+} -+ -+UADT(ipportnethash, del, req->port, req->ip1, req->cidr) -+KADT(ipportnethash, del, ipaddr, port, ip1, cidr) -+ -+static inline int -+__ipportnethash_create(const struct ip_set_req_ipportnethash_create *req, -+ struct ip_set_ipportnethash *map) -+{ -+ if (req->to - req->from > MAX_RANGE) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ req->to - req->from + 1, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ map->first_ip = req->from; -+ map->last_ip = req->to; -+ memset(map->cidr, 0, sizeof(map->cidr)); -+ memset(map->nets, 0, sizeof(map->nets)); -+ return 0; -+} -+ -+HASH_CREATE(ipportnethash, struct ipportip) -+HASH_DESTROY(ipportnethash) -+HASH_FLUSH_CIDR(ipportnethash, struct ipportip); -+ -+static inline void -+__ipportnethash_list_header(const struct ip_set_ipportnethash *map, -+ struct ip_set_req_ipportnethash_create *header) -+{ -+ header->from = map->first_ip; -+ header->to = map->last_ip; -+} -+ -+HASH_LIST_HEADER(ipportnethash) -+ -+HASH_LIST_MEMBERS_SIZE(ipportnethash, struct ipportip) -+HASH_LIST_MEMBERS_MEMCPY(ipportnethash, struct ipportip) -+ -+IP_SET_RTYPE(ipportnethash, IPSET_TYPE_IP | IPSET_TYPE_PORT -+ | IPSET_TYPE_IP1 | IPSET_DATA_TRIPLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("ipportnethash type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+REGISTER_MODULE(ipportnethash) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_iptree.c -@@ -0,0 +1,466 @@ -+/* Copyright (C) 2005-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an IP set type: the iptree type */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/slab.h> -+#include <linux/delay.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/timer.h> -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+#include <linux/netfilter_ipv4/ip_set_iptree.h> -+ -+static int limit = MAX_RANGE; -+ -+/* Garbage collection interval in seconds: */ -+#define IPTREE_GC_TIME 5*60 -+/* Sleep so many milliseconds before trying again -+ * to delete the gc timer at destroying/flushing a set */ -+#define IPTREE_DESTROY_SLEEP 100 -+ -+static __KMEM_CACHE_T__ *branch_cachep; -+static __KMEM_CACHE_T__ *leaf_cachep; -+ -+ -+#if defined(__LITTLE_ENDIAN) -+#define ABCD(a,b,c,d,addrp) do { \ -+ a = ((unsigned char *)addrp)[3]; \ -+ b = ((unsigned char *)addrp)[2]; \ -+ c = ((unsigned char *)addrp)[1]; \ -+ d = ((unsigned char *)addrp)[0]; \ -+} while (0) -+#elif defined(__BIG_ENDIAN) -+#define ABCD(a,b,c,d,addrp) do { \ -+ a = ((unsigned char *)addrp)[0]; \ -+ b = ((unsigned char *)addrp)[1]; \ -+ c = ((unsigned char *)addrp)[2]; \ -+ d = ((unsigned char *)addrp)[3]; \ -+} while (0) -+#else -+#error "Please fix asm/byteorder.h" -+#endif /* __LITTLE_ENDIAN */ -+ -+#define TESTIP_WALK(map, elem, branch) do { \ -+ if ((map)->tree[elem]) { \ -+ branch = (map)->tree[elem]; \ -+ } else \ -+ return 0; \ -+} while (0) -+ -+static inline int -+iptree_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned char a,b,c,d; -+ -+ if (!ip) -+ return -ERANGE; -+ -+ *hash_ip = ip; -+ ABCD(a, b, c, d, hash_ip); -+ DP("%u %u %u %u timeout %u", a, b, c, d, map->timeout); -+ TESTIP_WALK(map, a, btree); -+ TESTIP_WALK(btree, b, ctree); -+ TESTIP_WALK(ctree, c, dtree); -+ DP("%lu %lu", dtree->expires[d], jiffies); -+ return dtree->expires[d] -+ && (!map->timeout -+ || time_after(dtree->expires[d], jiffies)); -+} -+ -+#define KADT_CONDITION -+ -+UADT(iptree, test) -+KADT(iptree, test, ipaddr) -+ -+#define ADDIP_WALK(map, elem, branch, type, cachep) do { \ -+ if ((map)->tree[elem]) { \ -+ DP("found %u", elem); \ -+ branch = (map)->tree[elem]; \ -+ } else { \ -+ branch = (type *) \ -+ kmem_cache_alloc(cachep, GFP_ATOMIC); \ -+ if (branch == NULL) \ -+ return -ENOMEM; \ -+ memset(branch, 0, sizeof(*branch)); \ -+ (map)->tree[elem] = branch; \ -+ DP("alloc %u", elem); \ -+ } \ -+} while (0) -+ -+static inline int -+iptree_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, unsigned int timeout) -+{ -+ struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned char a,b,c,d; -+ int ret = 0; -+ -+ if (!ip || map->elements >= limit) -+ /* We could call the garbage collector -+ * but it's probably overkill */ -+ return -ERANGE; -+ -+ *hash_ip = ip; -+ ABCD(a, b, c, d, hash_ip); -+ DP("%u %u %u %u timeout %u", a, b, c, d, timeout); -+ ADDIP_WALK(map, a, btree, struct ip_set_iptreeb, branch_cachep); -+ ADDIP_WALK(btree, b, ctree, struct ip_set_iptreec, branch_cachep); -+ ADDIP_WALK(ctree, c, dtree, struct ip_set_iptreed, leaf_cachep); -+ if (dtree->expires[d] -+ && (!map->timeout || time_after(dtree->expires[d], jiffies))) -+ ret = -EEXIST; -+ if (map->timeout && timeout == 0) -+ timeout = map->timeout; -+ dtree->expires[d] = map->timeout ? (timeout * HZ + jiffies) : 1; -+ /* Lottery: I won! */ -+ if (dtree->expires[d] == 0) -+ dtree->expires[d] = 1; -+ DP("%u %lu", d, dtree->expires[d]); -+ if (ret == 0) -+ map->elements++; -+ return ret; -+} -+ -+UADT(iptree, add, req->timeout) -+KADT(iptree, add, ipaddr, 0) -+ -+#define DELIP_WALK(map, elem, branch) do { \ -+ if ((map)->tree[elem]) { \ -+ branch = (map)->tree[elem]; \ -+ } else \ -+ return -EEXIST; \ -+} while (0) -+ -+static inline int -+iptree_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned char a,b,c,d; -+ -+ if (!ip) -+ return -ERANGE; -+ -+ *hash_ip = ip; -+ ABCD(a, b, c, d, hash_ip); -+ DELIP_WALK(map, a, btree); -+ DELIP_WALK(btree, b, ctree); -+ DELIP_WALK(ctree, c, dtree); -+ -+ if (dtree->expires[d]) { -+ dtree->expires[d] = 0; -+ map->elements--; -+ return 0; -+ } -+ return -EEXIST; -+} -+ -+UADT(iptree, del) -+KADT(iptree, del, ipaddr) -+ -+#define LOOP_WALK_BEGIN(map, i, branch) \ -+ for (i = 0; i < 256; i++) { \ -+ if (!(map)->tree[i]) \ -+ continue; \ -+ branch = (map)->tree[i] -+ -+#define LOOP_WALK_END } -+ -+static void -+ip_tree_gc(unsigned long ul_set) -+{ -+ struct ip_set *set = (struct ip_set *) ul_set; -+ struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned int a,b,c,d; -+ unsigned char i,j,k; -+ -+ i = j = k = 0; -+ DP("gc: %s", set->name); -+ write_lock_bh(&set->lock); -+ LOOP_WALK_BEGIN(map, a, btree); -+ LOOP_WALK_BEGIN(btree, b, ctree); -+ LOOP_WALK_BEGIN(ctree, c, dtree); -+ for (d = 0; d < 256; d++) { -+ if (dtree->expires[d]) { -+ DP("gc: %u %u %u %u: expires %lu jiffies %lu", -+ a, b, c, d, -+ dtree->expires[d], jiffies); -+ if (map->timeout -+ && time_before(dtree->expires[d], jiffies)) { -+ dtree->expires[d] = 0; -+ map->elements--; -+ } else -+ k = 1; -+ } -+ } -+ if (k == 0) { -+ DP("gc: %s: leaf %u %u %u empty", -+ set->name, a, b, c); -+ kmem_cache_free(leaf_cachep, dtree); -+ ctree->tree[c] = NULL; -+ } else { -+ DP("gc: %s: leaf %u %u %u not empty", -+ set->name, a, b, c); -+ j = 1; -+ k = 0; -+ } -+ LOOP_WALK_END; -+ if (j == 0) { -+ DP("gc: %s: branch %u %u empty", -+ set->name, a, b); -+ kmem_cache_free(branch_cachep, ctree); -+ btree->tree[b] = NULL; -+ } else { -+ DP("gc: %s: branch %u %u not empty", -+ set->name, a, b); -+ i = 1; -+ j = k = 0; -+ } -+ LOOP_WALK_END; -+ if (i == 0) { -+ DP("gc: %s: branch %u empty", -+ set->name, a); -+ kmem_cache_free(branch_cachep, btree); -+ map->tree[a] = NULL; -+ } else { -+ DP("gc: %s: branch %u not empty", -+ set->name, a); -+ i = j = k = 0; -+ } -+ LOOP_WALK_END; -+ write_unlock_bh(&set->lock); -+ -+ map->gc.expires = jiffies + map->gc_interval * HZ; -+ add_timer(&map->gc); -+} -+ -+static inline void -+init_gc_timer(struct ip_set *set) -+{ -+ struct ip_set_iptree *map = set->data; -+ -+ /* Even if there is no timeout for the entries, -+ * we still have to call gc because delete -+ * do not clean up empty branches */ -+ map->gc_interval = IPTREE_GC_TIME; -+ init_timer(&map->gc); -+ map->gc.data = (unsigned long) set; -+ map->gc.function = ip_tree_gc; -+ map->gc.expires = jiffies + map->gc_interval * HZ; -+ add_timer(&map->gc); -+} -+ -+static int -+iptree_create(struct ip_set *set, const void *data, u_int32_t size) -+{ -+ const struct ip_set_req_iptree_create *req = data; -+ struct ip_set_iptree *map; -+ -+ if (size != sizeof(struct ip_set_req_iptree_create)) { -+ ip_set_printk("data length wrong (want %zu, have %lu)", -+ sizeof(struct ip_set_req_iptree_create), -+ (unsigned long)size); -+ return -EINVAL; -+ } -+ -+ map = kmalloc(sizeof(struct ip_set_iptree), GFP_KERNEL); -+ if (!map) { -+ DP("out of memory for %zu bytes", -+ sizeof(struct ip_set_iptree)); -+ return -ENOMEM; -+ } -+ memset(map, 0, sizeof(*map)); -+ map->timeout = req->timeout; -+ map->elements = 0; -+ set->data = map; -+ -+ init_gc_timer(set); -+ -+ return 0; -+} -+ -+static inline void -+__flush(struct ip_set_iptree *map) -+{ -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned int a,b,c; -+ -+ LOOP_WALK_BEGIN(map, a, btree); -+ LOOP_WALK_BEGIN(btree, b, ctree); -+ LOOP_WALK_BEGIN(ctree, c, dtree); -+ kmem_cache_free(leaf_cachep, dtree); -+ LOOP_WALK_END; -+ kmem_cache_free(branch_cachep, ctree); -+ LOOP_WALK_END; -+ kmem_cache_free(branch_cachep, btree); -+ LOOP_WALK_END; -+ map->elements = 0; -+} -+ -+static void -+iptree_destroy(struct ip_set *set) -+{ -+ struct ip_set_iptree *map = set->data; -+ -+ /* gc might be running */ -+ while (!del_timer(&map->gc)) -+ msleep(IPTREE_DESTROY_SLEEP); -+ __flush(map); -+ kfree(map); -+ set->data = NULL; -+} -+ -+static void -+iptree_flush(struct ip_set *set) -+{ -+ struct ip_set_iptree *map = set->data; -+ unsigned int timeout = map->timeout; -+ -+ /* gc might be running */ -+ while (!del_timer(&map->gc)) -+ msleep(IPTREE_DESTROY_SLEEP); -+ __flush(map); -+ memset(map, 0, sizeof(*map)); -+ map->timeout = timeout; -+ -+ init_gc_timer(set); -+} -+ -+static void -+iptree_list_header(const struct ip_set *set, void *data) -+{ -+ const struct ip_set_iptree *map = set->data; -+ struct ip_set_req_iptree_create *header = data; -+ -+ header->timeout = map->timeout; -+} -+ -+static int -+iptree_list_members_size(const struct ip_set *set) -+{ -+ const struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned int a,b,c,d; -+ unsigned int count = 0; -+ -+ LOOP_WALK_BEGIN(map, a, btree); -+ LOOP_WALK_BEGIN(btree, b, ctree); -+ LOOP_WALK_BEGIN(ctree, c, dtree); -+ for (d = 0; d < 256; d++) { -+ if (dtree->expires[d] -+ && (!map->timeout || time_after(dtree->expires[d], jiffies))) -+ count++; -+ } -+ LOOP_WALK_END; -+ LOOP_WALK_END; -+ LOOP_WALK_END; -+ -+ DP("members %u", count); -+ return (count * sizeof(struct ip_set_req_iptree)); -+} -+ -+static void -+iptree_list_members(const struct ip_set *set, void *data) -+{ -+ const struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned int a,b,c,d; -+ size_t offset = 0; -+ struct ip_set_req_iptree *entry; -+ -+ LOOP_WALK_BEGIN(map, a, btree); -+ LOOP_WALK_BEGIN(btree, b, ctree); -+ LOOP_WALK_BEGIN(ctree, c, dtree); -+ for (d = 0; d < 256; d++) { -+ if (dtree->expires[d] -+ && (!map->timeout || time_after(dtree->expires[d], jiffies))) { -+ entry = data + offset; -+ entry->ip = ((a << 24) | (b << 16) | (c << 8) | d); -+ entry->timeout = !map->timeout ? 0 -+ : (dtree->expires[d] - jiffies)/HZ; -+ offset += sizeof(struct ip_set_req_iptree); -+ } -+ } -+ LOOP_WALK_END; -+ LOOP_WALK_END; -+ LOOP_WALK_END; -+} -+ -+IP_SET_TYPE(iptree, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("iptree type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+static int __init ip_set_iptree_init(void) -+{ -+ int ret; -+ -+ branch_cachep = KMEM_CACHE_CREATE("ip_set_iptreeb", -+ sizeof(struct ip_set_iptreeb)); -+ if (!branch_cachep) { -+ printk(KERN_ERR "Unable to create ip_set_iptreeb slab cache\n"); -+ ret = -ENOMEM; -+ goto out; -+ } -+ leaf_cachep = KMEM_CACHE_CREATE("ip_set_iptreed", -+ sizeof(struct ip_set_iptreed)); -+ if (!leaf_cachep) { -+ printk(KERN_ERR "Unable to create ip_set_iptreed slab cache\n"); -+ ret = -ENOMEM; -+ goto free_branch; -+ } -+ ret = ip_set_register_set_type(&ip_set_iptree); -+ if (ret == 0) -+ goto out; -+ -+ kmem_cache_destroy(leaf_cachep); -+ free_branch: -+ kmem_cache_destroy(branch_cachep); -+ out: -+ return ret; -+} -+ -+static void __exit ip_set_iptree_fini(void) -+{ -+ /* FIXME: possible race with ip_set_create() */ -+ ip_set_unregister_set_type(&ip_set_iptree); -+ kmem_cache_destroy(leaf_cachep); -+ kmem_cache_destroy(branch_cachep); -+} -+ -+module_init(ip_set_iptree_init); -+module_exit(ip_set_iptree_fini); ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_iptreemap.c -@@ -0,0 +1,708 @@ -+/* Copyright (C) 2007 Sven Wegener <sven.wegener@stealer.net> -+ * -+ * This program is free software; you can redistribute it and/or modify it -+ * under the terms of the GNU General Public License version 2 as published by -+ * the Free Software Foundation. -+ */ -+ -+/* This modules implements the iptreemap ipset type. It uses bitmaps to -+ * represent every single IPv4 address as a bit. The bitmaps are managed in a -+ * tree structure, where the first three octets of an address are used as an -+ * index to find the bitmap and the last octet is used as the bit number. -+ */ -+ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/slab.h> -+#include <linux/delay.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/timer.h> -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+#include <linux/netfilter_ipv4/ip_set_iptreemap.h> -+ -+#define IPTREEMAP_DEFAULT_GC_TIME (5 * 60) -+#define IPTREEMAP_DESTROY_SLEEP (100) -+ -+static __KMEM_CACHE_T__ *cachep_b; -+static __KMEM_CACHE_T__ *cachep_c; -+static __KMEM_CACHE_T__ *cachep_d; -+ -+static struct ip_set_iptreemap_d *fullbitmap_d; -+static struct ip_set_iptreemap_c *fullbitmap_c; -+static struct ip_set_iptreemap_b *fullbitmap_b; -+ -+#if defined(__LITTLE_ENDIAN) -+#define ABCD(a, b, c, d, addr) \ -+ do { \ -+ a = ((unsigned char *)addr)[3]; \ -+ b = ((unsigned char *)addr)[2]; \ -+ c = ((unsigned char *)addr)[1]; \ -+ d = ((unsigned char *)addr)[0]; \ -+ } while (0) -+#elif defined(__BIG_ENDIAN) -+#define ABCD(a,b,c,d,addrp) do { \ -+ a = ((unsigned char *)addrp)[0]; \ -+ b = ((unsigned char *)addrp)[1]; \ -+ c = ((unsigned char *)addrp)[2]; \ -+ d = ((unsigned char *)addrp)[3]; \ -+} while (0) -+#else -+#error "Please fix asm/byteorder.h" -+#endif /* __LITTLE_ENDIAN */ -+ -+#define TESTIP_WALK(map, elem, branch, full) \ -+ do { \ -+ branch = (map)->tree[elem]; \ -+ if (!branch) \ -+ return 0; \ -+ else if (branch == full) \ -+ return 1; \ -+ } while (0) -+ -+#define ADDIP_WALK(map, elem, branch, type, cachep, full) \ -+ do { \ -+ branch = (map)->tree[elem]; \ -+ if (!branch) { \ -+ branch = (type *) kmem_cache_alloc(cachep, GFP_ATOMIC); \ -+ if (!branch) \ -+ return -ENOMEM; \ -+ memset(branch, 0, sizeof(*branch)); \ -+ (map)->tree[elem] = branch; \ -+ } else if (branch == full) { \ -+ return -EEXIST; \ -+ } \ -+ } while (0) -+ -+#define ADDIP_RANGE_LOOP(map, a, a1, a2, hint, branch, full, cachep, free) \ -+ for (a = a1; a <= a2; a++) { \ -+ branch = (map)->tree[a]; \ -+ if (branch != full) { \ -+ if ((a > a1 && a < a2) || (hint)) { \ -+ if (branch) \ -+ free(branch); \ -+ (map)->tree[a] = full; \ -+ continue; \ -+ } else if (!branch) { \ -+ branch = kmem_cache_alloc(cachep, GFP_ATOMIC); \ -+ if (!branch) \ -+ return -ENOMEM; \ -+ memset(branch, 0, sizeof(*branch)); \ -+ (map)->tree[a] = branch; \ -+ } -+ -+#define ADDIP_RANGE_LOOP_END() \ -+ } \ -+ } -+ -+#define DELIP_WALK(map, elem, branch, cachep, full, flags) \ -+ do { \ -+ branch = (map)->tree[elem]; \ -+ if (!branch) { \ -+ return -EEXIST; \ -+ } else if (branch == full) { \ -+ branch = kmem_cache_alloc(cachep, flags); \ -+ if (!branch) \ -+ return -ENOMEM; \ -+ memcpy(branch, full, sizeof(*full)); \ -+ (map)->tree[elem] = branch; \ -+ } \ -+ } while (0) -+ -+#define DELIP_RANGE_LOOP(map, a, a1, a2, hint, branch, full, cachep, free, flags) \ -+ for (a = a1; a <= a2; a++) { \ -+ branch = (map)->tree[a]; \ -+ if (branch) { \ -+ if ((a > a1 && a < a2) || (hint)) { \ -+ if (branch != full) \ -+ free(branch); \ -+ (map)->tree[a] = NULL; \ -+ continue; \ -+ } else if (branch == full) { \ -+ branch = kmem_cache_alloc(cachep, flags); \ -+ if (!branch) \ -+ return -ENOMEM; \ -+ memcpy(branch, full, sizeof(*branch)); \ -+ (map)->tree[a] = branch; \ -+ } -+ -+#define DELIP_RANGE_LOOP_END() \ -+ } \ -+ } -+ -+#define LOOP_WALK_BEGIN(map, i, branch) \ -+ for (i = 0; i < 256; i++) { \ -+ branch = (map)->tree[i]; \ -+ if (likely(!branch)) \ -+ continue; -+ -+#define LOOP_WALK_END() \ -+ } -+ -+#define LOOP_WALK_BEGIN_GC(map, i, branch, full, cachep, count) \ -+ count = -256; \ -+ for (i = 0; i < 256; i++) { \ -+ branch = (map)->tree[i]; \ -+ if (likely(!branch)) \ -+ continue; \ -+ count++; \ -+ if (branch == full) { \ -+ count++; \ -+ continue; \ -+ } -+ -+#define LOOP_WALK_END_GC(map, i, branch, full, cachep, count) \ -+ if (-256 == count) { \ -+ kmem_cache_free(cachep, branch); \ -+ (map)->tree[i] = NULL; \ -+ } else if (256 == count) { \ -+ kmem_cache_free(cachep, branch); \ -+ (map)->tree[i] = full; \ -+ } \ -+ } -+ -+#define LOOP_WALK_BEGIN_COUNT(map, i, branch, inrange, count) \ -+ for (i = 0; i < 256; i++) { \ -+ if (!(map)->tree[i]) { \ -+ if (inrange) { \ -+ count++; \ -+ inrange = 0; \ -+ } \ -+ continue; \ -+ } \ -+ branch = (map)->tree[i]; -+ -+#define LOOP_WALK_END_COUNT() \ -+ } -+ -+#define GETVALUE1(a, a1, b1, r) \ -+ (a == a1 ? b1 : r) -+ -+#define GETVALUE2(a, b, a1, b1, c1, r) \ -+ (a == a1 && b == b1 ? c1 : r) -+ -+#define GETVALUE3(a, b, c, a1, b1, c1, d1, r) \ -+ (a == a1 && b == b1 && c == c1 ? d1 : r) -+ -+#define CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2) \ -+ ( \ -+ GETVALUE1(a, a1, b1, 0) == 0 \ -+ && GETVALUE1(a, a2, b2, 255) == 255 \ -+ && c1 == 0 \ -+ && c2 == 255 \ -+ && d1 == 0 \ -+ && d2 == 255 \ -+ ) -+ -+#define CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2) \ -+ ( \ -+ GETVALUE2(a, b, a1, b1, c1, 0) == 0 \ -+ && GETVALUE2(a, b, a2, b2, c2, 255) == 255 \ -+ && d1 == 0 \ -+ && d2 == 255 \ -+ ) -+ -+#define CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2) \ -+ ( \ -+ GETVALUE3(a, b, c, a1, b1, c1, d1, 0) == 0 \ -+ && GETVALUE3(a, b, c, a2, b2, c2, d2, 255) == 255 \ -+ ) -+ -+ -+static inline void -+free_d(struct ip_set_iptreemap_d *map) -+{ -+ kmem_cache_free(cachep_d, map); -+} -+ -+static inline void -+free_c(struct ip_set_iptreemap_c *map) -+{ -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int i; -+ -+ LOOP_WALK_BEGIN(map, i, dtree) { -+ if (dtree != fullbitmap_d) -+ free_d(dtree); -+ } LOOP_WALK_END(); -+ -+ kmem_cache_free(cachep_c, map); -+} -+ -+static inline void -+free_b(struct ip_set_iptreemap_b *map) -+{ -+ struct ip_set_iptreemap_c *ctree; -+ unsigned int i; -+ -+ LOOP_WALK_BEGIN(map, i, ctree) { -+ if (ctree != fullbitmap_c) -+ free_c(ctree); -+ } LOOP_WALK_END(); -+ -+ kmem_cache_free(cachep_b, map); -+} -+ -+static inline int -+iptreemap_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned char a, b, c, d; -+ -+ *hash_ip = ip; -+ -+ ABCD(a, b, c, d, hash_ip); -+ -+ TESTIP_WALK(map, a, btree, fullbitmap_b); -+ TESTIP_WALK(btree, b, ctree, fullbitmap_c); -+ TESTIP_WALK(ctree, c, dtree, fullbitmap_d); -+ -+ return !!test_bit(d, (void *) dtree->bitmap); -+} -+ -+#define KADT_CONDITION -+ -+UADT(iptreemap, test) -+KADT(iptreemap, test, ipaddr) -+ -+static inline int -+__addip_single(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iptreemap *map = (struct ip_set_iptreemap *) set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned char a, b, c, d; -+ -+ *hash_ip = ip; -+ -+ ABCD(a, b, c, d, hash_ip); -+ -+ ADDIP_WALK(map, a, btree, struct ip_set_iptreemap_b, cachep_b, fullbitmap_b); -+ ADDIP_WALK(btree, b, ctree, struct ip_set_iptreemap_c, cachep_c, fullbitmap_c); -+ ADDIP_WALK(ctree, c, dtree, struct ip_set_iptreemap_d, cachep_d, fullbitmap_d); -+ -+ if (__test_and_set_bit(d, (void *) dtree->bitmap)) -+ return -EEXIST; -+ -+ __set_bit(b, (void *) btree->dirty); -+ -+ return 0; -+} -+ -+static inline int -+iptreemap_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t start, ip_set_ip_t end) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int a, b, c, d; -+ unsigned char a1, b1, c1, d1; -+ unsigned char a2, b2, c2, d2; -+ -+ if (start == end) -+ return __addip_single(set, hash_ip, start); -+ -+ *hash_ip = start; -+ -+ ABCD(a1, b1, c1, d1, &start); -+ ABCD(a2, b2, c2, d2, &end); -+ -+ /* This is sooo ugly... */ -+ ADDIP_RANGE_LOOP(map, a, a1, a2, CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2), btree, fullbitmap_b, cachep_b, free_b) { -+ ADDIP_RANGE_LOOP(btree, b, GETVALUE1(a, a1, b1, 0), GETVALUE1(a, a2, b2, 255), CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2), ctree, fullbitmap_c, cachep_c, free_c) { -+ ADDIP_RANGE_LOOP(ctree, c, GETVALUE2(a, b, a1, b1, c1, 0), GETVALUE2(a, b, a2, b2, c2, 255), CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2), dtree, fullbitmap_d, cachep_d, free_d) { -+ for (d = GETVALUE3(a, b, c, a1, b1, c1, d1, 0); d <= GETVALUE3(a, b, c, a2, b2, c2, d2, 255); d++) -+ __set_bit(d, (void *) dtree->bitmap); -+ __set_bit(b, (void *) btree->dirty); -+ } ADDIP_RANGE_LOOP_END(); -+ } ADDIP_RANGE_LOOP_END(); -+ } ADDIP_RANGE_LOOP_END(); -+ -+ return 0; -+} -+ -+UADT0(iptreemap, add, min(req->ip, req->end), max(req->ip, req->end)) -+KADT(iptreemap, add, ipaddr, ip) -+ -+static inline int -+__delip_single(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, gfp_t flags) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned char a,b,c,d; -+ -+ *hash_ip = ip; -+ -+ ABCD(a, b, c, d, hash_ip); -+ -+ DELIP_WALK(map, a, btree, cachep_b, fullbitmap_b, flags); -+ DELIP_WALK(btree, b, ctree, cachep_c, fullbitmap_c, flags); -+ DELIP_WALK(ctree, c, dtree, cachep_d, fullbitmap_d, flags); -+ -+ if (!__test_and_clear_bit(d, (void *) dtree->bitmap)) -+ return -EEXIST; -+ -+ __set_bit(b, (void *) btree->dirty); -+ -+ return 0; -+} -+ -+static inline int -+iptreemap_del(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t start, ip_set_ip_t end, gfp_t flags) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int a, b, c, d; -+ unsigned char a1, b1, c1, d1; -+ unsigned char a2, b2, c2, d2; -+ -+ if (start == end) -+ return __delip_single(set, hash_ip, start, flags); -+ -+ *hash_ip = start; -+ -+ ABCD(a1, b1, c1, d1, &start); -+ ABCD(a2, b2, c2, d2, &end); -+ -+ /* This is sooo ugly... */ -+ DELIP_RANGE_LOOP(map, a, a1, a2, CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2), btree, fullbitmap_b, cachep_b, free_b, flags) { -+ DELIP_RANGE_LOOP(btree, b, GETVALUE1(a, a1, b1, 0), GETVALUE1(a, a2, b2, 255), CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2), ctree, fullbitmap_c, cachep_c, free_c, flags) { -+ DELIP_RANGE_LOOP(ctree, c, GETVALUE2(a, b, a1, b1, c1, 0), GETVALUE2(a, b, a2, b2, c2, 255), CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2), dtree, fullbitmap_d, cachep_d, free_d, flags) { -+ for (d = GETVALUE3(a, b, c, a1, b1, c1, d1, 0); d <= GETVALUE3(a, b, c, a2, b2, c2, d2, 255); d++) -+ __clear_bit(d, (void *) dtree->bitmap); -+ __set_bit(b, (void *) btree->dirty); -+ } DELIP_RANGE_LOOP_END(); -+ } DELIP_RANGE_LOOP_END(); -+ } DELIP_RANGE_LOOP_END(); -+ -+ return 0; -+} -+ -+UADT0(iptreemap, del, min(req->ip, req->end), max(req->ip, req->end), GFP_KERNEL) -+KADT(iptreemap, del, ipaddr, ip, GFP_ATOMIC) -+ -+/* Check the status of the bitmap -+ * -1 == all bits cleared -+ * 1 == all bits set -+ * 0 == anything else -+ */ -+static inline int -+bitmap_status(struct ip_set_iptreemap_d *dtree) -+{ -+ unsigned char first = dtree->bitmap[0]; -+ int a; -+ -+ for (a = 1; a < 32; a++) -+ if (dtree->bitmap[a] != first) -+ return 0; -+ -+ return (first == 0 ? -1 : (first == 255 ? 1 : 0)); -+} -+ -+static void -+gc(unsigned long addr) -+{ -+ struct ip_set *set = (struct ip_set *) addr; -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int a, b, c; -+ int i, j, k; -+ -+ write_lock_bh(&set->lock); -+ -+ LOOP_WALK_BEGIN_GC(map, a, btree, fullbitmap_b, cachep_b, i) { -+ LOOP_WALK_BEGIN_GC(btree, b, ctree, fullbitmap_c, cachep_c, j) { -+ if (!__test_and_clear_bit(b, (void *) btree->dirty)) -+ continue; -+ LOOP_WALK_BEGIN_GC(ctree, c, dtree, fullbitmap_d, cachep_d, k) { -+ switch (bitmap_status(dtree)) { -+ case -1: -+ kmem_cache_free(cachep_d, dtree); -+ ctree->tree[c] = NULL; -+ k--; -+ break; -+ case 1: -+ kmem_cache_free(cachep_d, dtree); -+ ctree->tree[c] = fullbitmap_d; -+ k++; -+ break; -+ } -+ } LOOP_WALK_END(); -+ } LOOP_WALK_END_GC(btree, b, ctree, fullbitmap_c, cachep_c, k); -+ } LOOP_WALK_END_GC(map, a, btree, fullbitmap_b, cachep_b, j); -+ -+ write_unlock_bh(&set->lock); -+ -+ map->gc.expires = jiffies + map->gc_interval * HZ; -+ add_timer(&map->gc); -+} -+ -+static inline void -+init_gc_timer(struct ip_set *set) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ -+ init_timer(&map->gc); -+ map->gc.data = (unsigned long) set; -+ map->gc.function = gc; -+ map->gc.expires = jiffies + map->gc_interval * HZ; -+ add_timer(&map->gc); -+} -+ -+static int -+iptreemap_create(struct ip_set *set, const void *data, u_int32_t size) -+{ -+ const struct ip_set_req_iptreemap_create *req = data; -+ struct ip_set_iptreemap *map; -+ -+ map = kzalloc(sizeof(*map), GFP_KERNEL); -+ if (!map) -+ return -ENOMEM; -+ -+ map->gc_interval = req->gc_interval ? req->gc_interval : IPTREEMAP_DEFAULT_GC_TIME; -+ set->data = map; -+ -+ init_gc_timer(set); -+ -+ return 0; -+} -+ -+static inline void -+__flush(struct ip_set_iptreemap *map) -+{ -+ struct ip_set_iptreemap_b *btree; -+ unsigned int a; -+ -+ LOOP_WALK_BEGIN(map, a, btree); -+ if (btree != fullbitmap_b) -+ free_b(btree); -+ LOOP_WALK_END(); -+} -+ -+static void -+iptreemap_destroy(struct ip_set *set) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ -+ while (!del_timer(&map->gc)) -+ msleep(IPTREEMAP_DESTROY_SLEEP); -+ -+ __flush(map); -+ kfree(map); -+ -+ set->data = NULL; -+} -+ -+static void -+iptreemap_flush(struct ip_set *set) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ -+ while (!del_timer(&map->gc)) -+ msleep(IPTREEMAP_DESTROY_SLEEP); -+ -+ __flush(map); -+ -+ memset(map, 0, sizeof(*map)); -+ -+ init_gc_timer(set); -+} -+ -+static void -+iptreemap_list_header(const struct ip_set *set, void *data) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_req_iptreemap_create *header = data; -+ -+ header->gc_interval = map->gc_interval; -+} -+ -+static int -+iptreemap_list_members_size(const struct ip_set *set) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int a, b, c, d, inrange = 0, count = 0; -+ -+ LOOP_WALK_BEGIN_COUNT(map, a, btree, inrange, count) { -+ LOOP_WALK_BEGIN_COUNT(btree, b, ctree, inrange, count) { -+ LOOP_WALK_BEGIN_COUNT(ctree, c, dtree, inrange, count) { -+ for (d = 0; d < 256; d++) { -+ if (test_bit(d, (void *) dtree->bitmap)) { -+ inrange = 1; -+ } else if (inrange) { -+ count++; -+ inrange = 0; -+ } -+ } -+ } LOOP_WALK_END_COUNT(); -+ } LOOP_WALK_END_COUNT(); -+ } LOOP_WALK_END_COUNT(); -+ -+ if (inrange) -+ count++; -+ -+ return (count * sizeof(struct ip_set_req_iptreemap)); -+} -+ -+static inline u_int32_t -+add_member(void *data, size_t offset, ip_set_ip_t start, ip_set_ip_t end) -+{ -+ struct ip_set_req_iptreemap *entry = data + offset; -+ -+ entry->ip = start; -+ entry->end = end; -+ -+ return sizeof(*entry); -+} -+ -+static void -+iptreemap_list_members(const struct ip_set *set, void *data) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int a, b, c, d, inrange = 0; -+ size_t offset = 0; -+ ip_set_ip_t start = 0, end = 0, ip; -+ -+ LOOP_WALK_BEGIN(map, a, btree) { -+ LOOP_WALK_BEGIN(btree, b, ctree) { -+ LOOP_WALK_BEGIN(ctree, c, dtree) { -+ for (d = 0; d < 256; d++) { -+ if (test_bit(d, (void *) dtree->bitmap)) { -+ ip = ((a << 24) | (b << 16) | (c << 8) | d); -+ if (!inrange) { -+ inrange = 1; -+ start = ip; -+ } else if (end < ip - 1) { -+ offset += add_member(data, offset, start, end); -+ start = ip; -+ } -+ end = ip; -+ } else if (inrange) { -+ offset += add_member(data, offset, start, end); -+ inrange = 0; -+ } -+ } -+ } LOOP_WALK_END(); -+ } LOOP_WALK_END(); -+ } LOOP_WALK_END(); -+ -+ if (inrange) -+ add_member(data, offset, start, end); -+} -+ -+IP_SET_TYPE(iptreemap, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Sven Wegener <sven.wegener@stealer.net>"); -+MODULE_DESCRIPTION("iptreemap type of IP sets"); -+ -+static int __init ip_set_iptreemap_init(void) -+{ -+ int ret = -ENOMEM; -+ int a; -+ -+ cachep_b = KMEM_CACHE_CREATE("ip_set_iptreemap_b", -+ sizeof(struct ip_set_iptreemap_b)); -+ if (!cachep_b) { -+ ip_set_printk("Unable to create ip_set_iptreemap_b slab cache"); -+ goto out; -+ } -+ -+ cachep_c = KMEM_CACHE_CREATE("ip_set_iptreemap_c", -+ sizeof(struct ip_set_iptreemap_c)); -+ if (!cachep_c) { -+ ip_set_printk("Unable to create ip_set_iptreemap_c slab cache"); -+ goto outb; -+ } -+ -+ cachep_d = KMEM_CACHE_CREATE("ip_set_iptreemap_d", -+ sizeof(struct ip_set_iptreemap_d)); -+ if (!cachep_d) { -+ ip_set_printk("Unable to create ip_set_iptreemap_d slab cache"); -+ goto outc; -+ } -+ -+ fullbitmap_d = kmem_cache_alloc(cachep_d, GFP_KERNEL); -+ if (!fullbitmap_d) -+ goto outd; -+ -+ fullbitmap_c = kmem_cache_alloc(cachep_c, GFP_KERNEL); -+ if (!fullbitmap_c) -+ goto outbitmapd; -+ -+ fullbitmap_b = kmem_cache_alloc(cachep_b, GFP_KERNEL); -+ if (!fullbitmap_b) -+ goto outbitmapc; -+ -+ ret = ip_set_register_set_type(&ip_set_iptreemap); -+ if (0 > ret) -+ goto outbitmapb; -+ -+ /* Now init our global bitmaps */ -+ memset(fullbitmap_d->bitmap, 0xff, sizeof(fullbitmap_d->bitmap)); -+ -+ for (a = 0; a < 256; a++) -+ fullbitmap_c->tree[a] = fullbitmap_d; -+ -+ for (a = 0; a < 256; a++) -+ fullbitmap_b->tree[a] = fullbitmap_c; -+ memset(fullbitmap_b->dirty, 0, sizeof(fullbitmap_b->dirty)); -+ -+ return 0; -+ -+outbitmapb: -+ kmem_cache_free(cachep_b, fullbitmap_b); -+outbitmapc: -+ kmem_cache_free(cachep_c, fullbitmap_c); -+outbitmapd: -+ kmem_cache_free(cachep_d, fullbitmap_d); -+outd: -+ kmem_cache_destroy(cachep_d); -+outc: -+ kmem_cache_destroy(cachep_c); -+outb: -+ kmem_cache_destroy(cachep_b); -+out: -+ -+ return ret; -+} -+ -+static void __exit ip_set_iptreemap_fini(void) -+{ -+ ip_set_unregister_set_type(&ip_set_iptreemap); -+ kmem_cache_free(cachep_d, fullbitmap_d); -+ kmem_cache_free(cachep_c, fullbitmap_c); -+ kmem_cache_free(cachep_b, fullbitmap_b); -+ kmem_cache_destroy(cachep_d); -+ kmem_cache_destroy(cachep_c); -+ kmem_cache_destroy(cachep_b); -+} -+ -+module_init(ip_set_iptreemap_init); -+module_exit(ip_set_iptreemap_fini); ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_macipmap.c -@@ -0,0 +1,164 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Martin Josefsson <gandalf@wlug.westbo.se> -+ * Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an IP set type: the macipmap type */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/if_ether.h> -+ -+#include <linux/netfilter_ipv4/ip_set_macipmap.h> -+ -+static int -+macipmap_utest(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ const struct ip_set_macipmap *map = set->data; -+ const struct ip_set_macip *table = map->members; -+ const struct ip_set_req_macipmap *req = data; -+ -+ if (req->ip < map->first_ip || req->ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = req->ip; -+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(req->ip), HIPQUAD(*hash_ip)); -+ if (table[req->ip - map->first_ip].match) { -+ return (memcmp(req->ethernet, -+ &table[req->ip - map->first_ip].ethernet, -+ ETH_ALEN) == 0); -+ } else { -+ return (map->flags & IPSET_MACIP_MATCHUNSET ? 1 : 0); -+ } -+} -+ -+static int -+macipmap_ktest(struct ip_set *set, -+ const struct sk_buff *skb, -+ ip_set_ip_t *hash_ip, -+ const u_int32_t *flags, -+ unsigned char index) -+{ -+ const struct ip_set_macipmap *map = set->data; -+ const struct ip_set_macip *table = map->members; -+ ip_set_ip_t ip; -+ -+ ip = ipaddr(skb, flags[index]); -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return 0; -+ -+ *hash_ip = ip; -+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ if (table[ip - map->first_ip].match) { -+ /* Is mac pointer valid? -+ * If so, compare... */ -+ return (skb_mac_header(skb) >= skb->head -+ && (skb_mac_header(skb) + ETH_HLEN) <= skb->data -+ && (memcmp(eth_hdr(skb)->h_source, -+ &table[ip - map->first_ip].ethernet, -+ ETH_ALEN) == 0)); -+ } else { -+ return (map->flags & IPSET_MACIP_MATCHUNSET ? 1 : 0); -+ } -+} -+ -+/* returns 0 on success */ -+static inline int -+macipmap_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, const unsigned char *ethernet) -+{ -+ struct ip_set_macipmap *map = set->data; -+ struct ip_set_macip *table = map->members; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ if (table[ip - map->first_ip].match) -+ return -EEXIST; -+ -+ *hash_ip = ip; -+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ memcpy(&table[ip - map->first_ip].ethernet, ethernet, ETH_ALEN); -+ table[ip - map->first_ip].match = IPSET_MACIP_ISSET; -+ return 0; -+} -+ -+#define KADT_CONDITION \ -+ if (!(skb_mac_header(skb) >= skb->head \ -+ && (skb_mac_header(skb) + ETH_HLEN) <= skb->data))\ -+ return -EINVAL; -+ -+UADT(macipmap, add, req->ethernet) -+KADT(macipmap, add, ipaddr, eth_hdr(skb)->h_source) -+ -+static inline int -+macipmap_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_macipmap *map = set->data; -+ struct ip_set_macip *table = map->members; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ if (!table[ip - map->first_ip].match) -+ return -EEXIST; -+ -+ *hash_ip = ip; -+ table[ip - map->first_ip].match = 0; -+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ return 0; -+} -+ -+#undef KADT_CONDITION -+#define KADT_CONDITION -+ -+UADT(macipmap, del) -+KADT(macipmap, del, ipaddr) -+ -+static inline int -+__macipmap_create(const struct ip_set_req_macipmap_create *req, -+ struct ip_set_macipmap *map) -+{ -+ if (req->to - req->from > MAX_RANGE) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ req->to - req->from + 1, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ map->flags = req->flags; -+ return (req->to - req->from + 1) * sizeof(struct ip_set_macip); -+} -+ -+BITMAP_CREATE(macipmap) -+BITMAP_DESTROY(macipmap) -+BITMAP_FLUSH(macipmap) -+ -+static inline void -+__macipmap_list_header(const struct ip_set_macipmap *map, -+ struct ip_set_req_macipmap_create *header) -+{ -+ header->flags = map->flags; -+} -+ -+BITMAP_LIST_HEADER(macipmap) -+BITMAP_LIST_MEMBERS_SIZE(macipmap) -+BITMAP_LIST_MEMBERS(macipmap) -+ -+IP_SET_TYPE(macipmap, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("macipmap type of IP sets"); -+ -+REGISTER_MODULE(macipmap) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_nethash.c -@@ -0,0 +1,225 @@ -+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing a cidr nethash set */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/random.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_nethash.h> -+ -+static int limit = MAX_RANGE; -+ -+static inline __u32 -+nethash_id_cidr(const struct ip_set_nethash *map, -+ ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, -+ uint8_t cidr) -+{ -+ __u32 id; -+ u_int16_t i; -+ ip_set_ip_t *elem; -+ -+ *hash_ip = pack_ip_cidr(ip, cidr); -+ if (!*hash_ip) -+ return MAX_RANGE; -+ -+ for (i = 0; i < map->probes; i++) { -+ id = jhash_ip(map, i, *hash_ip) % map->hashsize; -+ DP("hash key: %u", id); -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ if (*elem == *hash_ip) -+ return id; -+ /* No shortcut - there can be deleted entries. */ -+ } -+ return UINT_MAX; -+} -+ -+static inline __u32 -+nethash_id(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ const struct ip_set_nethash *map = set->data; -+ __u32 id = UINT_MAX; -+ int i; -+ -+ for (i = 0; i < 30 && map->cidr[i]; i++) { -+ id = nethash_id_cidr(map, hash_ip, ip, map->cidr[i]); -+ if (id != UINT_MAX) -+ break; -+ } -+ return id; -+} -+ -+static inline int -+nethash_test_cidr(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, uint8_t cidr) -+{ -+ const struct ip_set_nethash *map = set->data; -+ -+ return (nethash_id_cidr(map, hash_ip, ip, cidr) != UINT_MAX); -+} -+ -+static inline int -+nethash_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ return (nethash_id(set, hash_ip, ip) != UINT_MAX); -+} -+ -+static int -+nethash_utest(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ const struct ip_set_req_nethash *req = data; -+ -+ if (req->cidr <= 0 || req->cidr > 32) -+ return -EINVAL; -+ return (req->cidr == 32 ? nethash_test(set, hash_ip, req->ip) -+ : nethash_test_cidr(set, hash_ip, req->ip, req->cidr)); -+} -+ -+#define KADT_CONDITION -+ -+KADT(nethash, test, ipaddr) -+ -+static inline int -+__nethash_add(struct ip_set_nethash *map, ip_set_ip_t *ip) -+{ -+ __u32 probe; -+ u_int16_t i; -+ ip_set_ip_t *elem, *slot = NULL; -+ -+ for (i = 0; i < map->probes; i++) { -+ probe = jhash_ip(map, i, *ip) % map->hashsize; -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe); -+ if (*elem == *ip) -+ return -EEXIST; -+ if (!(slot || *elem)) -+ slot = elem; -+ /* There can be deleted entries, must check all slots */ -+ } -+ if (slot) { -+ *slot = *ip; -+ map->elements++; -+ return 0; -+ } -+ /* Trigger rehashing */ -+ return -EAGAIN; -+} -+ -+static inline int -+nethash_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, uint8_t cidr) -+{ -+ struct ip_set_nethash *map = set->data; -+ int ret; -+ -+ if (map->elements >= limit || map->nets[cidr-1] == UINT16_MAX) -+ return -ERANGE; -+ if (cidr <= 0 || cidr >= 32) -+ return -EINVAL; -+ -+ *hash_ip = pack_ip_cidr(ip, cidr); -+ DP("%u.%u.%u.%u/%u, %u.%u.%u.%u", HIPQUAD(ip), cidr, HIPQUAD(*hash_ip)); -+ if (!*hash_ip) -+ return -ERANGE; -+ -+ ret = __nethash_add(map, hash_ip); -+ if (ret == 0) { -+ if (!map->nets[cidr-1]++) -+ add_cidr_size(map->cidr, cidr); -+ map->elements++; -+ } -+ -+ return ret; -+} -+ -+#undef KADT_CONDITION -+#define KADT_CONDITION \ -+ struct ip_set_nethash *map = set->data; \ -+ uint8_t cidr = map->cidr[0] ? map->cidr[0] : 31; -+ -+UADT(nethash, add, req->cidr) -+KADT(nethash, add, ipaddr, cidr) -+ -+static inline void -+__nethash_retry(struct ip_set_nethash *tmp, struct ip_set_nethash *map) -+{ -+ memcpy(tmp->cidr, map->cidr, sizeof(tmp->cidr)); -+ memcpy(tmp->nets, map->nets, sizeof(tmp->nets)); -+} -+ -+HASH_RETRY(nethash, ip_set_ip_t) -+ -+static inline int -+nethash_del(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, uint8_t cidr) -+{ -+ struct ip_set_nethash *map = set->data; -+ ip_set_ip_t id, *elem; -+ -+ if (cidr <= 0 || cidr >= 32) -+ return -EINVAL; -+ -+ id = nethash_id_cidr(map, hash_ip, ip, cidr); -+ if (id == UINT_MAX) -+ return -EEXIST; -+ -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ *elem = 0; -+ map->elements--; -+ if (!map->nets[cidr-1]--) -+ del_cidr_size(map->cidr, cidr); -+ return 0; -+} -+ -+UADT(nethash, del, req->cidr) -+KADT(nethash, del, ipaddr, cidr) -+ -+static inline int -+__nethash_create(const struct ip_set_req_nethash_create *req, -+ struct ip_set_nethash *map) -+{ -+ memset(map->cidr, 0, sizeof(map->cidr)); -+ memset(map->nets, 0, sizeof(map->nets)); -+ -+ return 0; -+} -+ -+HASH_CREATE(nethash, ip_set_ip_t) -+HASH_DESTROY(nethash) -+ -+HASH_FLUSH_CIDR(nethash, ip_set_ip_t) -+ -+static inline void -+__nethash_list_header(const struct ip_set_nethash *map, -+ struct ip_set_req_nethash_create *header) -+{ -+} -+ -+HASH_LIST_HEADER(nethash) -+HASH_LIST_MEMBERS_SIZE(nethash, ip_set_ip_t) -+HASH_LIST_MEMBERS(nethash, ip_set_ip_t) -+ -+IP_SET_RTYPE(nethash, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("nethash type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+REGISTER_MODULE(nethash) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_portmap.c -@@ -0,0 +1,114 @@ -+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing a port set type as a bitmap */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/tcp.h> -+#include <linux/udp.h> -+#include <linux/skbuff.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_portmap.h> -+#include <linux/netfilter_ipv4/ip_set_getport.h> -+ -+static inline int -+portmap_test(const struct ip_set *set, ip_set_ip_t *hash_port, -+ ip_set_ip_t port) -+{ -+ const struct ip_set_portmap *map = set->data; -+ -+ if (port < map->first_ip || port > map->last_ip) -+ return -ERANGE; -+ -+ *hash_port = port; -+ DP("set: %s, port:%u, %u", set->name, port, *hash_port); -+ return !!test_bit(port - map->first_ip, map->members); -+} -+ -+#define KADT_CONDITION \ -+ if (ip == INVALID_PORT) \ -+ return 0; -+ -+UADT(portmap, test) -+KADT(portmap, test, get_port) -+ -+static inline int -+portmap_add(struct ip_set *set, ip_set_ip_t *hash_port, ip_set_ip_t port) -+{ -+ struct ip_set_portmap *map = set->data; -+ -+ if (port < map->first_ip || port > map->last_ip) -+ return -ERANGE; -+ if (test_and_set_bit(port - map->first_ip, map->members)) -+ return -EEXIST; -+ -+ *hash_port = port; -+ DP("port %u", port); -+ return 0; -+} -+ -+UADT(portmap, add) -+KADT(portmap, add, get_port) -+ -+static inline int -+portmap_del(struct ip_set *set, ip_set_ip_t *hash_port, ip_set_ip_t port) -+{ -+ struct ip_set_portmap *map = set->data; -+ -+ if (port < map->first_ip || port > map->last_ip) -+ return -ERANGE; -+ if (!test_and_clear_bit(port - map->first_ip, map->members)) -+ return -EEXIST; -+ -+ *hash_port = port; -+ DP("port %u", port); -+ return 0; -+} -+ -+UADT(portmap, del) -+KADT(portmap, del, get_port) -+ -+static inline int -+__portmap_create(const struct ip_set_req_portmap_create *req, -+ struct ip_set_portmap *map) -+{ -+ if (req->to - req->from > MAX_RANGE) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ req->to - req->from + 1, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ return bitmap_bytes(req->from, req->to); -+} -+ -+BITMAP_CREATE(portmap) -+BITMAP_DESTROY(portmap) -+BITMAP_FLUSH(portmap) -+ -+static inline void -+__portmap_list_header(const struct ip_set_portmap *map, -+ struct ip_set_req_portmap_create *header) -+{ -+} -+ -+BITMAP_LIST_HEADER(portmap) -+BITMAP_LIST_MEMBERS_SIZE(portmap) -+BITMAP_LIST_MEMBERS(portmap) -+ -+IP_SET_TYPE(portmap, IPSET_TYPE_PORT | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("portmap type of IP sets"); -+ -+REGISTER_MODULE(portmap) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_setlist.c -@@ -0,0 +1,330 @@ -+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an IP set type: the setlist type */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/errno.h> -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+#include <linux/netfilter_ipv4/ip_set_setlist.h> -+ -+/* -+ * before ==> index, ref -+ * after ==> ref, index -+ */ -+ -+static inline int -+next_index_eq(const struct ip_set_setlist *map, int i, ip_set_id_t index) -+{ -+ return i < map->size && map->index[i] == index; -+} -+ -+static int -+setlist_utest(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ const struct ip_set_setlist *map = set->data; -+ const struct ip_set_req_setlist *req = data; -+ ip_set_id_t index, ref = IP_SET_INVALID_ID; -+ int i, res = 0; -+ struct ip_set *s; -+ -+ if (req->before && req->ref[0] == '\0') -+ return 0; -+ -+ index = __ip_set_get_byname(req->name, &s); -+ if (index == IP_SET_INVALID_ID) -+ return 0; -+ if (req->ref[0] != '\0') { -+ ref = __ip_set_get_byname(req->ref, &s); -+ if (ref == IP_SET_INVALID_ID) -+ goto finish; -+ } -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID; i++) { -+ if (req->before && map->index[i] == index) { -+ res = next_index_eq(map, i + 1, ref); -+ break; -+ } else if (!req->before) { -+ if ((ref == IP_SET_INVALID_ID -+ && map->index[i] == index) -+ || (map->index[i] == ref -+ && next_index_eq(map, i + 1, index))) { -+ res = 1; -+ break; -+ } -+ } -+ } -+ if (ref != IP_SET_INVALID_ID) -+ __ip_set_put_byindex(ref); -+finish: -+ __ip_set_put_byindex(index); -+ return res; -+} -+ -+static int -+setlist_ktest(struct ip_set *set, -+ const struct sk_buff *skb, -+ ip_set_ip_t *hash_ip, -+ const u_int32_t *flags, -+ unsigned char index) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i, res = 0; -+ -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID -+ && res == 0; i++) -+ res = ip_set_testip_kernel(map->index[i], skb, flags); -+ return res; -+} -+ -+static inline int -+insert_setlist(struct ip_set_setlist *map, int i, ip_set_id_t index) -+{ -+ ip_set_id_t tmp; -+ int j; -+ -+ DP("i: %u, last %u\n", i, map->index[map->size - 1]); -+ if (i >= map->size || map->index[map->size - 1] != IP_SET_INVALID_ID) -+ return -ERANGE; -+ -+ for (j = i; j < map->size -+ && index != IP_SET_INVALID_ID; j++) { -+ tmp = map->index[j]; -+ map->index[j] = index; -+ index = tmp; -+ } -+ return 0; -+} -+ -+static int -+setlist_uadd(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_setlist *map = set->data; -+ const struct ip_set_req_setlist *req = data; -+ ip_set_id_t index, ref = IP_SET_INVALID_ID; -+ int i, res = -ERANGE; -+ struct ip_set *s; -+ -+ if (req->before && req->ref[0] == '\0') -+ return -EINVAL; -+ -+ index = __ip_set_get_byname(req->name, &s); -+ if (index == IP_SET_INVALID_ID) -+ return -EEXIST; -+ /* "Loop detection" */ -+ if (strcmp(s->type->typename, "setlist") == 0) -+ goto finish; -+ -+ if (req->ref[0] != '\0') { -+ ref = __ip_set_get_byname(req->ref, &s); -+ if (ref == IP_SET_INVALID_ID) { -+ res = -EEXIST; -+ goto finish; -+ } -+ } -+ for (i = 0; i < map->size; i++) { -+ if (map->index[i] != ref) -+ continue; -+ if (req->before) -+ res = insert_setlist(map, i, index); -+ else -+ res = insert_setlist(map, -+ ref == IP_SET_INVALID_ID ? i : i + 1, -+ index); -+ break; -+ } -+ if (ref != IP_SET_INVALID_ID) -+ __ip_set_put_byindex(ref); -+ /* In case of success, we keep the reference to the set */ -+finish: -+ if (res != 0) -+ __ip_set_put_byindex(index); -+ return res; -+} -+ -+static int -+setlist_kadd(struct ip_set *set, -+ const struct sk_buff *skb, -+ ip_set_ip_t *hash_ip, -+ const u_int32_t *flags, -+ unsigned char index) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i, res = -EINVAL; -+ -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID -+ && res != 0; i++) -+ res = ip_set_addip_kernel(map->index[i], skb, flags); -+ return res; -+} -+ -+static inline int -+unshift_setlist(struct ip_set_setlist *map, int i) -+{ -+ int j; -+ -+ for (j = i; j < map->size - 1; j++) -+ map->index[j] = map->index[j+1]; -+ map->index[map->size-1] = IP_SET_INVALID_ID; -+ return 0; -+} -+ -+static int -+setlist_udel(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_setlist *map = set->data; -+ const struct ip_set_req_setlist *req = data; -+ ip_set_id_t index, ref = IP_SET_INVALID_ID; -+ int i, res = -EEXIST; -+ struct ip_set *s; -+ -+ if (req->before && req->ref[0] == '\0') -+ return -EINVAL; -+ -+ index = __ip_set_get_byname(req->name, &s); -+ if (index == IP_SET_INVALID_ID) -+ return -EEXIST; -+ if (req->ref[0] != '\0') { -+ ref = __ip_set_get_byname(req->ref, &s); -+ if (ref == IP_SET_INVALID_ID) -+ goto finish; -+ } -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID; i++) { -+ if (req->before) { -+ if (map->index[i] == index -+ && next_index_eq(map, i + 1, ref)) { -+ res = unshift_setlist(map, i); -+ break; -+ } -+ } else if (ref == IP_SET_INVALID_ID) { -+ if (map->index[i] == index) { -+ res = unshift_setlist(map, i); -+ break; -+ } -+ } else if (map->index[i] == ref -+ && next_index_eq(map, i + 1, index)) { -+ res = unshift_setlist(map, i + 1); -+ break; -+ } -+ } -+ if (ref != IP_SET_INVALID_ID) -+ __ip_set_put_byindex(ref); -+finish: -+ __ip_set_put_byindex(index); -+ /* In case of success, release the reference to the set */ -+ if (res == 0) -+ __ip_set_put_byindex(index); -+ return res; -+} -+ -+static int -+setlist_kdel(struct ip_set *set, -+ const struct sk_buff *skb, -+ ip_set_ip_t *hash_ip, -+ const u_int32_t *flags, -+ unsigned char index) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i, res = -EINVAL; -+ -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID -+ && res != 0; i++) -+ res = ip_set_delip_kernel(map->index[i], skb, flags); -+ return res; -+} -+ -+static int -+setlist_create(struct ip_set *set, const void *data, u_int32_t size) -+{ -+ struct ip_set_setlist *map; -+ const struct ip_set_req_setlist_create *req = data; -+ int i; -+ -+ map = kmalloc(sizeof(struct ip_set_setlist) + -+ req->size * sizeof(ip_set_id_t), GFP_KERNEL); -+ if (!map) -+ return -ENOMEM; -+ map->size = req->size; -+ for (i = 0; i < map->size; i++) -+ map->index[i] = IP_SET_INVALID_ID; -+ -+ set->data = map; -+ return 0; -+} -+ -+static void -+setlist_destroy(struct ip_set *set) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i; -+ -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID; i++) -+ __ip_set_put_byindex(map->index[i]); -+ -+ kfree(map); -+ set->data = NULL; -+} -+ -+static void -+setlist_flush(struct ip_set *set) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i; -+ -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID; i++) { -+ __ip_set_put_byindex(map->index[i]); -+ map->index[i] = IP_SET_INVALID_ID; -+ } -+} -+ -+static void -+setlist_list_header(const struct ip_set *set, void *data) -+{ -+ const struct ip_set_setlist *map = set->data; -+ struct ip_set_req_setlist_create *header = data; -+ -+ header->size = map->size; -+} -+ -+static int -+setlist_list_members_size(const struct ip_set *set) -+{ -+ const struct ip_set_setlist *map = set->data; -+ -+ return map->size * sizeof(ip_set_id_t); -+} -+ -+static void -+setlist_list_members(const struct ip_set *set, void *data) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i; -+ -+ for (i = 0; i < map->size; i++) -+ *((ip_set_id_t *)data + i) = ip_set_id(map->index[i]); -+} -+ -+IP_SET_TYPE(setlist, IPSET_TYPE_SETNAME | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("setlist type of IP sets"); -+ -+REGISTER_MODULE(setlist) ---- /dev/null -+++ b/net/ipv4/netfilter/ipt_set.c -@@ -0,0 +1,238 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Martin Josefsson <gandalf@wlug.westbo.se> -+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module to match an IP set. */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/version.h> -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) -+#include <linux/netfilter_ipv4/ip_tables.h> -+#define xt_register_match ipt_register_match -+#define xt_unregister_match ipt_unregister_match -+#define xt_match ipt_match -+#else -+#include <linux/netfilter/x_tables.h> -+#endif -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ipt_set.h> -+ -+static inline int -+match_set(const struct ipt_set_info *info, -+ const struct sk_buff *skb, -+ int inv) -+{ -+ if (ip_set_testip_kernel(info->index, skb, info->flags)) -+ inv = !inv; -+ return inv; -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) -+static int -+match(const struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ const void *matchinfo, -+ int offset, -+ const void *hdr, -+ u_int16_t datalen, -+ int *hotdrop) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) -+static int -+match(const struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ const void *matchinfo, -+ int offset, -+ int *hotdrop) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static int -+match(const struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ const void *matchinfo, -+ int offset, -+ unsigned int protoff, -+ int *hotdrop) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -+static int -+match(const struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ const struct xt_match *match, -+ const void *matchinfo, -+ int offset, -+ unsigned int protoff, -+ int *hotdrop) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+static bool -+match(const struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ const struct xt_match *match, -+ const void *matchinfo, -+ int offset, -+ unsigned int protoff, -+ bool *hotdrop) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+static bool -+match(const struct sk_buff *skb, -+ const struct xt_match_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ const struct ipt_set_info_match *info = matchinfo; -+#else -+ const struct ipt_set_info_match *info = par->matchinfo; -+#endif -+ -+ return match_set(&info->match_set, -+ skb, -+ info->match_set.flags[0] & IPSET_MATCH_INV); -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) -+static int -+checkentry(const char *tablename, -+ const struct ipt_ip *ip, -+ void *matchinfo, -+ unsigned int matchsize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static int -+checkentry(const char *tablename, -+ const void *inf, -+ void *matchinfo, -+ unsigned int matchsize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+static int -+checkentry(const char *tablename, -+ const void *inf, -+ const struct xt_match *match, -+ void *matchinfo, -+ unsigned int matchsize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -+static int -+checkentry(const char *tablename, -+ const void *inf, -+ const struct xt_match *match, -+ void *matchinfo, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+static bool -+checkentry(const char *tablename, -+ const void *inf, -+ const struct xt_match *match, -+ void *matchinfo, -+ unsigned int hook_mask) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+static bool -+checkentry(const struct xt_mtchk_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ struct ipt_set_info_match *info = matchinfo; -+#else -+ struct ipt_set_info_match *info = par->matchinfo; -+#endif -+ ip_set_id_t index; -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+ if (matchsize != IPT_ALIGN(sizeof(struct ipt_set_info_match))) { -+ ip_set_printk("invalid matchsize %d", matchsize); -+ return 0; -+ } -+#endif -+ -+ index = ip_set_get_byindex(info->match_set.index); -+ -+ if (index == IP_SET_INVALID_ID) { -+ ip_set_printk("Cannot find set indentified by id %u to match", -+ info->match_set.index); -+ return 0; /* error */ -+ } -+ if (info->match_set.flags[IP_SET_MAX_BINDINGS] != 0) { -+ ip_set_printk("That's nasty!"); -+ return 0; /* error */ -+ } -+ -+ return 1; -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static void destroy(void *matchinfo, -+ unsigned int matchsize) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+static void destroy(const struct xt_match *match, -+ void *matchinfo, -+ unsigned int matchsize) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+static void destroy(const struct xt_match *match, -+ void *matchinfo) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+static void destroy(const struct xt_mtdtor_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ struct ipt_set_info_match *info = matchinfo; -+#else -+ struct ipt_set_info_match *info = par->matchinfo; -+#endif -+ -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+ if (matchsize != IPT_ALIGN(sizeof(struct ipt_set_info_match))) { -+ ip_set_printk("invalid matchsize %d", matchsize); -+ return; -+ } -+#endif -+ ip_set_put_byindex(info->match_set.index); -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static struct xt_match set_match = { -+ .name = "set", -+ .match = &match, -+ .checkentry = &checkentry, -+ .destroy = &destroy, -+ .me = THIS_MODULE -+}; -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17) */ -+static struct xt_match set_match = { -+ .name = "set", -+ .family = AF_INET, -+ .match = &match, -+ .matchsize = sizeof(struct ipt_set_info_match), -+ .checkentry = &checkentry, -+ .destroy = &destroy, -+ .me = THIS_MODULE -+}; -+#endif -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("iptables IP set match module"); -+ -+static int __init ipt_ipset_init(void) -+{ -+ return xt_register_match(&set_match); -+} -+ -+static void __exit ipt_ipset_fini(void) -+{ -+ xt_unregister_match(&set_match); -+} -+ -+module_init(ipt_ipset_init); -+module_exit(ipt_ipset_fini); ---- /dev/null -+++ b/net/ipv4/netfilter/ipt_SET.c -@@ -0,0 +1,242 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Martin Josefsson <gandalf@wlug.westbo.se> -+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* ipt_SET.c - netfilter target to manipulate IP sets */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/version.h> -+ -+#include <linux/netfilter_ipv4.h> -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) -+#include <linux/netfilter_ipv4/ip_tables.h> -+#define xt_register_target ipt_register_target -+#define xt_unregister_target ipt_unregister_target -+#define xt_target ipt_target -+#define XT_CONTINUE IPT_CONTINUE -+#else -+#include <linux/netfilter/x_tables.h> -+#endif -+#include <linux/netfilter_ipv4/ipt_set.h> -+ -+static unsigned int -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) -+target(struct sk_buff **pskb, -+ unsigned int hooknum, -+ const struct net_device *in, -+ const struct net_device *out, -+ const void *targinfo, -+ void *userinfo) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+target(struct sk_buff **pskb, -+ const struct net_device *in, -+ const struct net_device *out, -+ unsigned int hooknum, -+ const void *targinfo, -+ void *userinfo) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+target(struct sk_buff **pskb, -+ const struct net_device *in, -+ const struct net_device *out, -+ unsigned int hooknum, -+ const struct xt_target *target, -+ const void *targinfo, -+ void *userinfo) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24) -+target(struct sk_buff **pskb, -+ const struct net_device *in, -+ const struct net_device *out, -+ unsigned int hooknum, -+ const struct xt_target *target, -+ const void *targinfo) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+target(struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ unsigned int hooknum, -+ const struct xt_target *target, -+ const void *targinfo) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+target(struct sk_buff *skb, -+ const struct xt_target_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ const struct ipt_set_info_target *info = targinfo; -+#else -+ const struct ipt_set_info_target *info = par->targinfo; -+#endif -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24) -+ struct sk_buff *skb = *pskb; -+#endif -+ -+ -+ if (info->add_set.index != IP_SET_INVALID_ID) -+ ip_set_addip_kernel(info->add_set.index, -+ skb, -+ info->add_set.flags); -+ if (info->del_set.index != IP_SET_INVALID_ID) -+ ip_set_delip_kernel(info->del_set.index, -+ skb, -+ info->del_set.flags); -+ -+ return XT_CONTINUE; -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) -+static int -+checkentry(const char *tablename, -+ const struct ipt_entry *e, -+ void *targinfo, -+ unsigned int targinfosize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static int -+checkentry(const char *tablename, -+ const void *e, -+ void *targinfo, -+ unsigned int targinfosize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+static int -+checkentry(const char *tablename, -+ const void *e, -+ const struct xt_target *target, -+ void *targinfo, -+ unsigned int targinfosize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -+static int -+checkentry(const char *tablename, -+ const void *e, -+ const struct xt_target *target, -+ void *targinfo, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+static bool -+checkentry(const char *tablename, -+ const void *e, -+ const struct xt_target *target, -+ void *targinfo, -+ unsigned int hook_mask) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+static bool -+checkentry(const struct xt_tgchk_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ const struct ipt_set_info_target *info = targinfo; -+#else -+ const struct ipt_set_info_target *info = par->targinfo; -+#endif -+ ip_set_id_t index; -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+ if (targinfosize != IPT_ALIGN(sizeof(*info))) { -+ DP("bad target info size %u", targinfosize); -+ return 0; -+ } -+#endif -+ -+ if (info->add_set.index != IP_SET_INVALID_ID) { -+ index = ip_set_get_byindex(info->add_set.index); -+ if (index == IP_SET_INVALID_ID) { -+ ip_set_printk("cannot find add_set index %u as target", -+ info->add_set.index); -+ return 0; /* error */ -+ } -+ } -+ -+ if (info->del_set.index != IP_SET_INVALID_ID) { -+ index = ip_set_get_byindex(info->del_set.index); -+ if (index == IP_SET_INVALID_ID) { -+ ip_set_printk("cannot find del_set index %u as target", -+ info->del_set.index); -+ return 0; /* error */ -+ } -+ } -+ if (info->add_set.flags[IP_SET_MAX_BINDINGS] != 0 -+ || info->del_set.flags[IP_SET_MAX_BINDINGS] != 0) { -+ ip_set_printk("That's nasty!"); -+ return 0; /* error */ -+ } -+ -+ return 1; -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static void destroy(void *targetinfo, -+ unsigned int targetsize) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+static void destroy(const struct xt_target *target, -+ void *targetinfo, -+ unsigned int targetsize) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+static void destroy(const struct xt_target *target, -+ void *targetinfo) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+static void destroy(const struct xt_tgdtor_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ const struct ipt_set_info_target *info = targetinfo; -+#else -+ const struct ipt_set_info_target *info = par->targinfo; -+#endif -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+ if (targetsize != IPT_ALIGN(sizeof(struct ipt_set_info_target))) { -+ ip_set_printk("invalid targetsize %d", targetsize); -+ return; -+ } -+#endif -+ if (info->add_set.index != IP_SET_INVALID_ID) -+ ip_set_put_byindex(info->add_set.index); -+ if (info->del_set.index != IP_SET_INVALID_ID) -+ ip_set_put_byindex(info->del_set.index); -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static struct xt_target SET_target = { -+ .name = "SET", -+ .target = target, -+ .checkentry = checkentry, -+ .destroy = destroy, -+ .me = THIS_MODULE -+}; -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17) */ -+static struct xt_target SET_target = { -+ .name = "SET", -+ .family = AF_INET, -+ .target = target, -+ .targetsize = sizeof(struct ipt_set_info_target), -+ .checkentry = checkentry, -+ .destroy = destroy, -+ .me = THIS_MODULE -+}; -+#endif -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("iptables IP set target module"); -+ -+static int __init ipt_SET_init(void) -+{ -+ return xt_register_target(&SET_target); -+} -+ -+static void __exit ipt_SET_fini(void) -+{ -+ xt_unregister_target(&SET_target); -+} -+ -+module_init(ipt_SET_init); -+module_exit(ipt_SET_fini); ---- a/net/ipv4/netfilter/Kconfig -+++ b/net/ipv4/netfilter/Kconfig -@@ -388,5 +388,146 @@ config IP_NF_ARP_MANGLE - - endif # IP_NF_ARPTABLES - -+config IP_NF_SET -+ tristate "IP set support" -+ depends on INET && NETFILTER -+ help -+ This option adds IP set support to the kernel. -+ In order to define and use sets, you need the userspace utility -+ ipset(8). -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_MAX -+ int "Maximum number of IP sets" -+ default 256 -+ range 2 65534 -+ depends on IP_NF_SET -+ help -+ You can define here default value of the maximum number -+ of IP sets for the kernel. -+ -+ The value can be overriden by the 'max_sets' module -+ parameter of the 'ip_set' module. -+ -+config IP_NF_SET_HASHSIZE -+ int "Hash size for bindings of IP sets" -+ default 1024 -+ depends on IP_NF_SET -+ help -+ You can define here default value of the hash size for -+ bindings of IP sets. -+ -+ The value can be overriden by the 'hash_size' module -+ parameter of the 'ip_set' module. -+ -+config IP_NF_SET_IPMAP -+ tristate "ipmap set support" -+ depends on IP_NF_SET -+ help -+ This option adds the ipmap set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_MACIPMAP -+ tristate "macipmap set support" -+ depends on IP_NF_SET -+ help -+ This option adds the macipmap set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_PORTMAP -+ tristate "portmap set support" -+ depends on IP_NF_SET -+ help -+ This option adds the portmap set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPHASH -+ tristate "iphash set support" -+ depends on IP_NF_SET -+ help -+ This option adds the iphash set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_NETHASH -+ tristate "nethash set support" -+ depends on IP_NF_SET -+ help -+ This option adds the nethash set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPPORTHASH -+ tristate "ipporthash set support" -+ depends on IP_NF_SET -+ help -+ This option adds the ipporthash set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPPORTIPHASH -+ tristate "ipportiphash set support" -+ depends on IP_NF_SET -+ help -+ This option adds the ipportiphash set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPPORTNETHASH -+ tristate "ipportnethash set support" -+ depends on IP_NF_SET -+ help -+ This option adds the ipportnethash set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPTREE -+ tristate "iptree set support" -+ depends on IP_NF_SET -+ help -+ This option adds the iptree set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPTREEMAP -+ tristate "iptreemap set support" -+ depends on IP_NF_SET -+ help -+ This option adds the iptreemap set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_SETLIST -+ tristate "setlist set support" -+ depends on IP_NF_SET -+ help -+ This option adds the setlist set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_MATCH_SET -+ tristate "set match support" -+ depends on IP_NF_SET -+ help -+ Set matching matches against given IP sets. -+ You need the ipset utility to create and set up the sets. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_TARGET_SET -+ tristate "SET target support" -+ depends on IP_NF_SET -+ help -+ The SET target makes possible to add/delete entries -+ in IP sets. -+ You need the ipset utility to create and set up the sets. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+ - endmenu - ---- a/net/ipv4/netfilter/Makefile -+++ b/net/ipv4/netfilter/Makefile -@@ -51,6 +51,7 @@ obj-$(CONFIG_IP_NF_SECURITY) += iptable_ - obj-$(CONFIG_IP_NF_MATCH_ADDRTYPE) += ipt_addrtype.o - obj-$(CONFIG_IP_NF_MATCH_AH) += ipt_ah.o - obj-$(CONFIG_IP_NF_MATCH_ECN) += ipt_ecn.o -+obj-$(CONFIG_IP_NF_MATCH_SET) += ipt_set.o - - # targets - obj-$(CONFIG_IP_NF_TARGET_CLUSTERIP) += ipt_CLUSTERIP.o -@@ -61,6 +62,21 @@ obj-$(CONFIG_IP_NF_TARGET_NETMAP) += ipt - obj-$(CONFIG_IP_NF_TARGET_REDIRECT) += ipt_REDIRECT.o - obj-$(CONFIG_IP_NF_TARGET_REJECT) += ipt_REJECT.o - obj-$(CONFIG_IP_NF_TARGET_ULOG) += ipt_ULOG.o -+obj-$(CONFIG_IP_NF_TARGET_SET) += ipt_SET.o -+ -+# sets -+obj-$(CONFIG_IP_NF_SET) += ip_set.o -+obj-$(CONFIG_IP_NF_SET_IPMAP) += ip_set_ipmap.o -+obj-$(CONFIG_IP_NF_SET_PORTMAP) += ip_set_portmap.o -+obj-$(CONFIG_IP_NF_SET_MACIPMAP) += ip_set_macipmap.o -+obj-$(CONFIG_IP_NF_SET_IPHASH) += ip_set_iphash.o -+obj-$(CONFIG_IP_NF_SET_NETHASH) += ip_set_nethash.o -+obj-$(CONFIG_IP_NF_SET_IPPORTHASH) += ip_set_ipporthash.o -+obj-$(CONFIG_IP_NF_SET_IPPORTIPHASH) += ip_set_ipportiphash.o -+obj-$(CONFIG_IP_NF_SET_IPPORTNETHASH) += ip_set_ipportnethash.o -+obj-$(CONFIG_IP_NF_SET_IPTREE) += ip_set_iptree.o -+obj-$(CONFIG_IP_NF_SET_IPTREEMAP) += ip_set_iptreemap.o -+obj-$(CONFIG_IP_NF_SET_SETLIST) += ip_set_setlist.o - - # generic ARP tables - obj-$(CONFIG_IP_NF_ARPTABLES) += arp_tables.o diff --git a/target/linux/generic-2.6/patches-2.6.31/130-netfilter_ipset.patch b/target/linux/generic-2.6/patches-2.6.31/130-netfilter_ipset.patch deleted file mode 100644 index 832f679d7a..0000000000 --- a/target/linux/generic-2.6/patches-2.6.31/130-netfilter_ipset.patch +++ /dev/null @@ -1,7749 +0,0 @@ ---- a/include/linux/netfilter_ipv4/Kbuild -+++ b/include/linux/netfilter_ipv4/Kbuild -@@ -45,3 +45,20 @@ header-y += ipt_ttl.h - - unifdef-y += ip_queue.h - unifdef-y += ip_tables.h -+ -+unifdef-y += ip_set.h -+header-y += ip_set_iphash.h -+unifdef-y += ip_set_bitmaps.h -+unifdef-y += ip_set_getport.h -+unifdef-y += ip_set_hashes.h -+header-y += ip_set_ipmap.h -+header-y += ip_set_ipporthash.h -+header-y += ip_set_ipportiphash.h -+header-y += ip_set_ipportnethash.h -+unifdef-y += ip_set_iptree.h -+unifdef-y += ip_set_iptreemap.h -+header-y += ip_set_jhash.h -+header-y += ip_set_macipmap.h -+header-y += ip_set_nethash.h -+header-y += ip_set_portmap.h -+header-y += ip_set_setlist.h ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set.h -@@ -0,0 +1,574 @@ -+#ifndef _IP_SET_H -+#define _IP_SET_H -+ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Martin Josefsson <gandalf@wlug.westbo.se> -+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#if 0 -+#define IP_SET_DEBUG -+#endif -+ -+/* -+ * A sockopt of such quality has hardly ever been seen before on the open -+ * market! This little beauty, hardly ever used: above 64, so it's -+ * traditionally used for firewalling, not touched (even once!) by the -+ * 2.0, 2.2 and 2.4 kernels! -+ * -+ * Comes with its own certificate of authenticity, valid anywhere in the -+ * Free world! -+ * -+ * Rusty, 19.4.2000 -+ */ -+#define SO_IP_SET 83 -+ -+/* -+ * Heavily modify by Joakim Axelsson 08.03.2002 -+ * - Made it more modulebased -+ * -+ * Additional heavy modifications by Jozsef Kadlecsik 22.02.2004 -+ * - bindings added -+ * - in order to "deal with" backward compatibility, renamed to ipset -+ */ -+ -+/* -+ * Used so that the kernel module and ipset-binary can match their versions -+ */ -+#define IP_SET_PROTOCOL_VERSION 3 -+ -+#define IP_SET_MAXNAMELEN 32 /* set names and set typenames */ -+ -+/* Lets work with our own typedef for representing an IP address. -+ * We hope to make the code more portable, possibly to IPv6... -+ * -+ * The representation works in HOST byte order, because most set types -+ * will perform arithmetic operations and compare operations. -+ * -+ * For now the type is an uint32_t. -+ * -+ * Make sure to ONLY use the functions when translating and parsing -+ * in order to keep the host byte order and make it more portable: -+ * parse_ip() -+ * parse_mask() -+ * parse_ipandmask() -+ * ip_tostring() -+ * (Joakim: where are they???) -+ */ -+ -+typedef uint32_t ip_set_ip_t; -+ -+/* Sets are identified by an id in kernel space. Tweak with ip_set_id_t -+ * and IP_SET_INVALID_ID if you want to increase the max number of sets. -+ */ -+typedef uint16_t ip_set_id_t; -+ -+#define IP_SET_INVALID_ID 65535 -+ -+/* How deep we follow bindings */ -+#define IP_SET_MAX_BINDINGS 6 -+ -+/* -+ * Option flags for kernel operations (ipt_set_info) -+ */ -+#define IPSET_SRC 0x01 /* Source match/add */ -+#define IPSET_DST 0x02 /* Destination match/add */ -+#define IPSET_MATCH_INV 0x04 /* Inverse matching */ -+ -+/* -+ * Set features -+ */ -+#define IPSET_TYPE_IP 0x01 /* IP address type of set */ -+#define IPSET_TYPE_PORT 0x02 /* Port type of set */ -+#define IPSET_DATA_SINGLE 0x04 /* Single data storage */ -+#define IPSET_DATA_DOUBLE 0x08 /* Double data storage */ -+#define IPSET_DATA_TRIPLE 0x10 /* Triple data storage */ -+#define IPSET_TYPE_IP1 0x20 /* IP address type of set */ -+#define IPSET_TYPE_SETNAME 0x40 /* setname type of set */ -+ -+/* Reserved keywords */ -+#define IPSET_TOKEN_DEFAULT ":default:" -+#define IPSET_TOKEN_ALL ":all:" -+ -+/* SO_IP_SET operation constants, and their request struct types. -+ * -+ * Operation ids: -+ * 0-99: commands with version checking -+ * 100-199: add/del/test/bind/unbind -+ * 200-299: list, save, restore -+ */ -+ -+/* Single shot operations: -+ * version, create, destroy, flush, rename and swap -+ * -+ * Sets are identified by name. -+ */ -+ -+#define IP_SET_REQ_STD \ -+ unsigned op; \ -+ unsigned version; \ -+ char name[IP_SET_MAXNAMELEN] -+ -+#define IP_SET_OP_CREATE 0x00000001 /* Create a new (empty) set */ -+struct ip_set_req_create { -+ IP_SET_REQ_STD; -+ char typename[IP_SET_MAXNAMELEN]; -+}; -+ -+#define IP_SET_OP_DESTROY 0x00000002 /* Remove a (empty) set */ -+struct ip_set_req_std { -+ IP_SET_REQ_STD; -+}; -+ -+#define IP_SET_OP_FLUSH 0x00000003 /* Remove all IPs in a set */ -+/* Uses ip_set_req_std */ -+ -+#define IP_SET_OP_RENAME 0x00000004 /* Rename a set */ -+/* Uses ip_set_req_create */ -+ -+#define IP_SET_OP_SWAP 0x00000005 /* Swap two sets */ -+/* Uses ip_set_req_create */ -+ -+union ip_set_name_index { -+ char name[IP_SET_MAXNAMELEN]; -+ ip_set_id_t index; -+}; -+ -+#define IP_SET_OP_GET_BYNAME 0x00000006 /* Get set index by name */ -+struct ip_set_req_get_set { -+ unsigned op; -+ unsigned version; -+ union ip_set_name_index set; -+}; -+ -+#define IP_SET_OP_GET_BYINDEX 0x00000007 /* Get set name by index */ -+/* Uses ip_set_req_get_set */ -+ -+#define IP_SET_OP_VERSION 0x00000100 /* Ask kernel version */ -+struct ip_set_req_version { -+ unsigned op; -+ unsigned version; -+}; -+ -+/* Double shots operations: -+ * add, del, test, bind and unbind. -+ * -+ * First we query the kernel to get the index and type of the target set, -+ * then issue the command. Validity of IP is checked in kernel in order -+ * to minimalize sockopt operations. -+ */ -+ -+/* Get minimal set data for add/del/test/bind/unbind IP */ -+#define IP_SET_OP_ADT_GET 0x00000010 /* Get set and type */ -+struct ip_set_req_adt_get { -+ unsigned op; -+ unsigned version; -+ union ip_set_name_index set; -+ char typename[IP_SET_MAXNAMELEN]; -+}; -+ -+#define IP_SET_REQ_BYINDEX \ -+ unsigned op; \ -+ ip_set_id_t index; -+ -+struct ip_set_req_adt { -+ IP_SET_REQ_BYINDEX; -+}; -+ -+#define IP_SET_OP_ADD_IP 0x00000101 /* Add an IP to a set */ -+/* Uses ip_set_req_adt, with type specific addage */ -+ -+#define IP_SET_OP_DEL_IP 0x00000102 /* Remove an IP from a set */ -+/* Uses ip_set_req_adt, with type specific addage */ -+ -+#define IP_SET_OP_TEST_IP 0x00000103 /* Test an IP in a set */ -+/* Uses ip_set_req_adt, with type specific addage */ -+ -+#define IP_SET_OP_BIND_SET 0x00000104 /* Bind an IP to a set */ -+/* Uses ip_set_req_bind, with type specific addage */ -+struct ip_set_req_bind { -+ IP_SET_REQ_BYINDEX; -+ char binding[IP_SET_MAXNAMELEN]; -+}; -+ -+#define IP_SET_OP_UNBIND_SET 0x00000105 /* Unbind an IP from a set */ -+/* Uses ip_set_req_bind, with type speficic addage -+ * index = 0 means unbinding for all sets */ -+ -+#define IP_SET_OP_TEST_BIND_SET 0x00000106 /* Test binding an IP to a set */ -+/* Uses ip_set_req_bind, with type specific addage */ -+ -+/* Multiple shots operations: list, save, restore. -+ * -+ * - check kernel version and query the max number of sets -+ * - get the basic information on all sets -+ * and size required for the next step -+ * - get actual set data: header, data, bindings -+ */ -+ -+/* Get max_sets and the index of a queried set -+ */ -+#define IP_SET_OP_MAX_SETS 0x00000020 -+struct ip_set_req_max_sets { -+ unsigned op; -+ unsigned version; -+ ip_set_id_t max_sets; /* max_sets */ -+ ip_set_id_t sets; /* real number of sets */ -+ union ip_set_name_index set; /* index of set if name used */ -+}; -+ -+/* Get the id and name of the sets plus size for next step */ -+#define IP_SET_OP_LIST_SIZE 0x00000201 -+#define IP_SET_OP_SAVE_SIZE 0x00000202 -+struct ip_set_req_setnames { -+ unsigned op; -+ ip_set_id_t index; /* set to list/save */ -+ u_int32_t size; /* size to get setdata/bindings */ -+ /* followed by sets number of struct ip_set_name_list */ -+}; -+ -+struct ip_set_name_list { -+ char name[IP_SET_MAXNAMELEN]; -+ char typename[IP_SET_MAXNAMELEN]; -+ ip_set_id_t index; -+ ip_set_id_t id; -+}; -+ -+/* The actual list operation */ -+#define IP_SET_OP_LIST 0x00000203 -+struct ip_set_req_list { -+ IP_SET_REQ_BYINDEX; -+ /* sets number of struct ip_set_list in reply */ -+}; -+ -+struct ip_set_list { -+ ip_set_id_t index; -+ ip_set_id_t binding; -+ u_int32_t ref; -+ u_int32_t header_size; /* Set header data of header_size */ -+ u_int32_t members_size; /* Set members data of members_size */ -+ u_int32_t bindings_size;/* Set bindings data of bindings_size */ -+}; -+ -+struct ip_set_hash_list { -+ ip_set_ip_t ip; -+ ip_set_id_t binding; -+}; -+ -+/* The save operation */ -+#define IP_SET_OP_SAVE 0x00000204 -+/* Uses ip_set_req_list, in the reply replaced by -+ * sets number of struct ip_set_save plus a marker -+ * ip_set_save followed by ip_set_hash_save structures. -+ */ -+struct ip_set_save { -+ ip_set_id_t index; -+ ip_set_id_t binding; -+ u_int32_t header_size; /* Set header data of header_size */ -+ u_int32_t members_size; /* Set members data of members_size */ -+}; -+ -+/* At restoring, ip == 0 means default binding for the given set: */ -+struct ip_set_hash_save { -+ ip_set_ip_t ip; -+ ip_set_id_t id; -+ ip_set_id_t binding; -+}; -+ -+/* The restore operation */ -+#define IP_SET_OP_RESTORE 0x00000205 -+/* Uses ip_set_req_setnames followed by ip_set_restore structures -+ * plus a marker ip_set_restore, followed by ip_set_hash_save -+ * structures. -+ */ -+struct ip_set_restore { -+ char name[IP_SET_MAXNAMELEN]; -+ char typename[IP_SET_MAXNAMELEN]; -+ ip_set_id_t index; -+ u_int32_t header_size; /* Create data of header_size */ -+ u_int32_t members_size; /* Set members data of members_size */ -+}; -+ -+static inline int bitmap_bytes(ip_set_ip_t a, ip_set_ip_t b) -+{ -+ return 4 * ((((b - a + 8) / 8) + 3) / 4); -+} -+ -+/* General limit for the elements in a set */ -+#define MAX_RANGE 0x0000FFFF -+ -+#ifdef __KERNEL__ -+#include <linux/netfilter_ipv4/ip_set_compat.h> -+#include <linux/netfilter_ipv4/ip_set_malloc.h> -+ -+#define ip_set_printk(format, args...) \ -+ do { \ -+ printk("%s: %s: ", __FILE__, __FUNCTION__); \ -+ printk(format "\n" , ## args); \ -+ } while (0) -+ -+#if defined(IP_SET_DEBUG) -+#define DP(format, args...) \ -+ do { \ -+ printk("%s: %s (DBG): ", __FILE__, __FUNCTION__);\ -+ printk(format "\n" , ## args); \ -+ } while (0) -+#define IP_SET_ASSERT(x) \ -+ do { \ -+ if (!(x)) \ -+ printk("IP_SET_ASSERT: %s:%i(%s)\n", \ -+ __FILE__, __LINE__, __FUNCTION__); \ -+ } while (0) -+#else -+#define DP(format, args...) -+#define IP_SET_ASSERT(x) -+#endif -+ -+struct ip_set; -+ -+/* -+ * The ip_set_type definition - one per set type, e.g. "ipmap". -+ * -+ * Each individual set has a pointer, set->type, going to one -+ * of these structures. Function pointers inside the structure implement -+ * the real behaviour of the sets. -+ * -+ * If not mentioned differently, the implementation behind the function -+ * pointers of a set_type, is expected to return 0 if ok, and a negative -+ * errno (e.g. -EINVAL) on error. -+ */ -+struct ip_set_type { -+ struct list_head list; /* next in list of set types */ -+ -+ /* test for IP in set (kernel: iptables -m set src|dst) -+ * return 0 if not in set, 1 if in set. -+ */ -+ int (*testip_kernel) (struct ip_set *set, -+ const struct sk_buff * skb, -+ ip_set_ip_t *ip, -+ const u_int32_t *flags, -+ unsigned char index); -+ -+ /* test for IP in set (userspace: ipset -T set IP) -+ * return 0 if not in set, 1 if in set. -+ */ -+ int (*testip) (struct ip_set *set, -+ const void *data, u_int32_t size, -+ ip_set_ip_t *ip); -+ -+ /* -+ * Size of the data structure passed by when -+ * adding/deletin/testing an entry. -+ */ -+ u_int32_t reqsize; -+ -+ /* Add IP into set (userspace: ipset -A set IP) -+ * Return -EEXIST if the address is already in the set, -+ * and -ERANGE if the address lies outside the set bounds. -+ * If the address was not already in the set, 0 is returned. -+ */ -+ int (*addip) (struct ip_set *set, -+ const void *data, u_int32_t size, -+ ip_set_ip_t *ip); -+ -+ /* Add IP into set (kernel: iptables ... -j SET set src|dst) -+ * Return -EEXIST if the address is already in the set, -+ * and -ERANGE if the address lies outside the set bounds. -+ * If the address was not already in the set, 0 is returned. -+ */ -+ int (*addip_kernel) (struct ip_set *set, -+ const struct sk_buff * skb, -+ ip_set_ip_t *ip, -+ const u_int32_t *flags, -+ unsigned char index); -+ -+ /* remove IP from set (userspace: ipset -D set --entry x) -+ * Return -EEXIST if the address is NOT in the set, -+ * and -ERANGE if the address lies outside the set bounds. -+ * If the address really was in the set, 0 is returned. -+ */ -+ int (*delip) (struct ip_set *set, -+ const void *data, u_int32_t size, -+ ip_set_ip_t *ip); -+ -+ /* remove IP from set (kernel: iptables ... -j SET --entry x) -+ * Return -EEXIST if the address is NOT in the set, -+ * and -ERANGE if the address lies outside the set bounds. -+ * If the address really was in the set, 0 is returned. -+ */ -+ int (*delip_kernel) (struct ip_set *set, -+ const struct sk_buff * skb, -+ ip_set_ip_t *ip, -+ const u_int32_t *flags, -+ unsigned char index); -+ -+ /* new set creation - allocated type specific items -+ */ -+ int (*create) (struct ip_set *set, -+ const void *data, u_int32_t size); -+ -+ /* retry the operation after successfully tweaking the set -+ */ -+ int (*retry) (struct ip_set *set); -+ -+ /* set destruction - free type specific items -+ * There is no return value. -+ * Can be called only when child sets are destroyed. -+ */ -+ void (*destroy) (struct ip_set *set); -+ -+ /* set flushing - reset all bits in the set, or something similar. -+ * There is no return value. -+ */ -+ void (*flush) (struct ip_set *set); -+ -+ /* Listing: size needed for header -+ */ -+ u_int32_t header_size; -+ -+ /* Listing: Get the header -+ * -+ * Fill in the information in "data". -+ * This function is always run after list_header_size() under a -+ * writelock on the set. Therefor is the length of "data" always -+ * correct. -+ */ -+ void (*list_header) (const struct ip_set *set, -+ void *data); -+ -+ /* Listing: Get the size for the set members -+ */ -+ int (*list_members_size) (const struct ip_set *set); -+ -+ /* Listing: Get the set members -+ * -+ * Fill in the information in "data". -+ * This function is always run after list_member_size() under a -+ * writelock on the set. Therefor is the length of "data" always -+ * correct. -+ */ -+ void (*list_members) (const struct ip_set *set, -+ void *data); -+ -+ char typename[IP_SET_MAXNAMELEN]; -+ unsigned char features; -+ int protocol_version; -+ -+ /* Set this to THIS_MODULE if you are a module, otherwise NULL */ -+ struct module *me; -+}; -+ -+extern int ip_set_register_set_type(struct ip_set_type *set_type); -+extern void ip_set_unregister_set_type(struct ip_set_type *set_type); -+ -+/* A generic ipset */ -+struct ip_set { -+ char name[IP_SET_MAXNAMELEN]; /* the name of the set */ -+ rwlock_t lock; /* lock for concurrency control */ -+ ip_set_id_t id; /* set id for swapping */ -+ ip_set_id_t binding; /* default binding for the set */ -+ atomic_t ref; /* in kernel and in hash references */ -+ struct ip_set_type *type; /* the set types */ -+ void *data; /* pooltype specific data */ -+}; -+ -+/* Structure to bind set elements to sets */ -+struct ip_set_hash { -+ struct list_head list; /* list of clashing entries in hash */ -+ ip_set_ip_t ip; /* ip from set */ -+ ip_set_id_t id; /* set id */ -+ ip_set_id_t binding; /* set we bind the element to */ -+}; -+ -+/* register and unregister set references */ -+extern ip_set_id_t ip_set_get_byname(const char name[IP_SET_MAXNAMELEN]); -+extern ip_set_id_t ip_set_get_byindex(ip_set_id_t index); -+extern void ip_set_put_byindex(ip_set_id_t index); -+extern ip_set_id_t ip_set_id(ip_set_id_t index); -+extern ip_set_id_t __ip_set_get_byname(const char name[IP_SET_MAXNAMELEN], -+ struct ip_set **set); -+extern void __ip_set_put_byindex(ip_set_id_t index); -+ -+/* API for iptables set match, and SET target */ -+extern int ip_set_addip_kernel(ip_set_id_t id, -+ const struct sk_buff *skb, -+ const u_int32_t *flags); -+extern int ip_set_delip_kernel(ip_set_id_t id, -+ const struct sk_buff *skb, -+ const u_int32_t *flags); -+extern int ip_set_testip_kernel(ip_set_id_t id, -+ const struct sk_buff *skb, -+ const u_int32_t *flags); -+ -+/* Macros to generate functions */ -+ -+#define STRUCT(pre, type) CONCAT2(pre, type) -+#define CONCAT2(pre, type) struct pre##type -+ -+#define FNAME(pre, mid, post) CONCAT3(pre, mid, post) -+#define CONCAT3(pre, mid, post) pre##mid##post -+ -+#define UADT0(type, adt, args...) \ -+static int \ -+FNAME(type,_u,adt)(struct ip_set *set, const void *data, u_int32_t size,\ -+ ip_set_ip_t *hash_ip) \ -+{ \ -+ const STRUCT(ip_set_req_,type) *req = data; \ -+ \ -+ return FNAME(type,_,adt)(set, hash_ip , ## args); \ -+} -+ -+#define UADT(type, adt, args...) \ -+ UADT0(type, adt, req->ip , ## args) -+ -+#define KADT(type, adt, getfn, args...) \ -+static int \ -+FNAME(type,_k,adt)(struct ip_set *set, \ -+ const struct sk_buff *skb, \ -+ ip_set_ip_t *hash_ip, \ -+ const u_int32_t *flags, \ -+ unsigned char index) \ -+{ \ -+ ip_set_ip_t ip = getfn(skb, flags[index]); \ -+ \ -+ KADT_CONDITION \ -+ return FNAME(type,_,adt)(set, hash_ip, ip , ##args); \ -+} -+ -+#define REGISTER_MODULE(type) \ -+static int __init ip_set_##type##_init(void) \ -+{ \ -+ init_max_page_size(); \ -+ return ip_set_register_set_type(&ip_set_##type); \ -+} \ -+ \ -+static void __exit ip_set_##type##_fini(void) \ -+{ \ -+ /* FIXME: possible race with ip_set_create() */ \ -+ ip_set_unregister_set_type(&ip_set_##type); \ -+} \ -+ \ -+module_init(ip_set_##type##_init); \ -+module_exit(ip_set_##type##_fini); -+ -+/* Common functions */ -+ -+static inline ip_set_ip_t -+ipaddr(const struct sk_buff *skb, u_int32_t flag) -+{ -+ return ntohl(flag & IPSET_SRC ? ip_hdr(skb)->saddr : ip_hdr(skb)->daddr); -+} -+ -+#define jhash_ip(map, i, ip) jhash_1word(ip, *(map->initval + i)) -+ -+#define pack_ip_port(map, ip, port) \ -+ (port + ((ip - ((map)->first_ip)) << 16)) -+ -+#endif /* __KERNEL__ */ -+ -+#endif /*_IP_SET_H*/ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_bitmaps.h -@@ -0,0 +1,121 @@ -+#ifndef __IP_SET_BITMAPS_H -+#define __IP_SET_BITMAPS_H -+ -+/* Macros to generate functions */ -+ -+#ifdef __KERNEL__ -+#define BITMAP_CREATE(type) \ -+static int \ -+type##_create(struct ip_set *set, const void *data, u_int32_t size) \ -+{ \ -+ int newbytes; \ -+ const struct ip_set_req_##type##_create *req = data; \ -+ struct ip_set_##type *map; \ -+ \ -+ if (req->from > req->to) { \ -+ DP("bad range"); \ -+ return -ENOEXEC; \ -+ } \ -+ \ -+ map = kmalloc(sizeof(struct ip_set_##type), GFP_KERNEL); \ -+ if (!map) { \ -+ DP("out of memory for %zu bytes", \ -+ sizeof(struct ip_set_##type)); \ -+ return -ENOMEM; \ -+ } \ -+ map->first_ip = req->from; \ -+ map->last_ip = req->to; \ -+ \ -+ newbytes = __##type##_create(req, map); \ -+ if (newbytes < 0) { \ -+ kfree(map); \ -+ return newbytes; \ -+ } \ -+ \ -+ map->size = newbytes; \ -+ map->members = ip_set_malloc(newbytes); \ -+ if (!map->members) { \ -+ DP("out of memory for %i bytes", newbytes); \ -+ kfree(map); \ -+ return -ENOMEM; \ -+ } \ -+ memset(map->members, 0, newbytes); \ -+ \ -+ set->data = map; \ -+ return 0; \ -+} -+ -+#define BITMAP_DESTROY(type) \ -+static void \ -+type##_destroy(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data; \ -+ \ -+ ip_set_free(map->members, map->size); \ -+ kfree(map); \ -+ \ -+ set->data = NULL; \ -+} -+ -+#define BITMAP_FLUSH(type) \ -+static void \ -+type##_flush(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data; \ -+ memset(map->members, 0, map->size); \ -+} -+ -+#define BITMAP_LIST_HEADER(type) \ -+static void \ -+type##_list_header(const struct ip_set *set, void *data) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ struct ip_set_req_##type##_create *header = data; \ -+ \ -+ header->from = map->first_ip; \ -+ header->to = map->last_ip; \ -+ __##type##_list_header(map, header); \ -+} -+ -+#define BITMAP_LIST_MEMBERS_SIZE(type) \ -+static int \ -+type##_list_members_size(const struct ip_set *set) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ \ -+ return map->size; \ -+} -+ -+#define BITMAP_LIST_MEMBERS(type) \ -+static void \ -+type##_list_members(const struct ip_set *set, void *data) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ \ -+ memcpy(data, map->members, map->size); \ -+} -+ -+#define IP_SET_TYPE(type, __features) \ -+struct ip_set_type ip_set_##type = { \ -+ .typename = #type, \ -+ .features = __features, \ -+ .protocol_version = IP_SET_PROTOCOL_VERSION, \ -+ .create = &type##_create, \ -+ .destroy = &type##_destroy, \ -+ .flush = &type##_flush, \ -+ .reqsize = sizeof(struct ip_set_req_##type), \ -+ .addip = &type##_uadd, \ -+ .addip_kernel = &type##_kadd, \ -+ .delip = &type##_udel, \ -+ .delip_kernel = &type##_kdel, \ -+ .testip = &type##_utest, \ -+ .testip_kernel = &type##_ktest, \ -+ .header_size = sizeof(struct ip_set_req_##type##_create),\ -+ .list_header = &type##_list_header, \ -+ .list_members_size = &type##_list_members_size, \ -+ .list_members = &type##_list_members, \ -+ .me = THIS_MODULE, \ -+}; -+#endif /* __KERNEL */ -+ -+#endif /* __IP_SET_BITMAPS_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_compat.h -@@ -0,0 +1,71 @@ -+#ifndef _IP_SET_COMPAT_H -+#define _IP_SET_COMPAT_H -+ -+#ifdef __KERNEL__ -+#include <linux/version.h> -+ -+/* Arrgh */ -+#ifdef MODULE -+#define __MOD_INC(foo) __MOD_INC_USE_COUNT(foo) -+#define __MOD_DEC(foo) __MOD_DEC_USE_COUNT(foo) -+#else -+#define __MOD_INC(foo) 1 -+#define __MOD_DEC(foo) -+#endif -+ -+/* Backward compatibility */ -+#ifndef __nocast -+#define __nocast -+#endif -+#ifndef __bitwise__ -+#define __bitwise__ -+#endif -+ -+/* Compatibility glue code */ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) -+#include <linux/interrupt.h> -+#define DEFINE_RWLOCK(x) rwlock_t x = RW_LOCK_UNLOCKED -+#define try_module_get(x) __MOD_INC(x) -+#define module_put(x) __MOD_DEC(x) -+#define __clear_bit(nr, addr) clear_bit(nr, addr) -+#define __set_bit(nr, addr) set_bit(nr, addr) -+#define __test_and_set_bit(nr, addr) test_and_set_bit(nr, addr) -+#define __test_and_clear_bit(nr, addr) test_and_clear_bit(nr, addr) -+ -+typedef unsigned __bitwise__ gfp_t; -+ -+static inline void *kzalloc(size_t size, gfp_t flags) -+{ -+ void *data = kmalloc(size, flags); -+ -+ if (data) -+ memset(data, 0, size); -+ -+ return data; -+} -+#endif -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+#define __KMEM_CACHE_T__ kmem_cache_t -+#else -+#define __KMEM_CACHE_T__ struct kmem_cache -+#endif -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22) -+#define ip_hdr(skb) ((skb)->nh.iph) -+#define skb_mac_header(skb) ((skb)->mac.raw) -+#define eth_hdr(skb) ((struct ethhdr *)skb_mac_header(skb)) -+#endif -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -+#include <linux/netfilter.h> -+#define KMEM_CACHE_CREATE(name, size) \ -+ kmem_cache_create(name, size, 0, 0, NULL, NULL) -+#else -+#define KMEM_CACHE_CREATE(name, size) \ -+ kmem_cache_create(name, size, 0, 0, NULL) -+#endif -+ -+ -+#endif /* __KERNEL__ */ -+#endif /* _IP_SET_COMPAT_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_getport.h -@@ -0,0 +1,48 @@ -+#ifndef _IP_SET_GETPORT_H -+#define _IP_SET_GETPORT_H -+ -+#ifdef __KERNEL__ -+ -+#define INVALID_PORT (MAX_RANGE + 1) -+ -+/* We must handle non-linear skbs */ -+static inline ip_set_ip_t -+get_port(const struct sk_buff *skb, u_int32_t flags) -+{ -+ struct iphdr *iph = ip_hdr(skb); -+ u_int16_t offset = ntohs(iph->frag_off) & IP_OFFSET; -+ switch (iph->protocol) { -+ case IPPROTO_TCP: { -+ struct tcphdr tcph; -+ -+ /* See comments at tcp_match in ip_tables.c */ -+ if (offset) -+ return INVALID_PORT; -+ -+ if (skb_copy_bits(skb, ip_hdr(skb)->ihl*4, &tcph, sizeof(tcph)) < 0) -+ /* No choice either */ -+ return INVALID_PORT; -+ -+ return ntohs(flags & IPSET_SRC ? -+ tcph.source : tcph.dest); -+ } -+ case IPPROTO_UDP: { -+ struct udphdr udph; -+ -+ if (offset) -+ return INVALID_PORT; -+ -+ if (skb_copy_bits(skb, ip_hdr(skb)->ihl*4, &udph, sizeof(udph)) < 0) -+ /* No choice either */ -+ return INVALID_PORT; -+ -+ return ntohs(flags & IPSET_SRC ? -+ udph.source : udph.dest); -+ } -+ default: -+ return INVALID_PORT; -+ } -+} -+#endif /* __KERNEL__ */ -+ -+#endif /*_IP_SET_GETPORT_H*/ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_hashes.h -@@ -0,0 +1,306 @@ -+#ifndef __IP_SET_HASHES_H -+#define __IP_SET_HASHES_H -+ -+#define initval_t uint32_t -+ -+/* Macros to generate functions */ -+ -+#ifdef __KERNEL__ -+#define HASH_RETRY0(type, dtype, cond) \ -+static int \ -+type##_retry(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data, *tmp; \ -+ dtype *elem; \ -+ void *members; \ -+ u_int32_t i, hashsize = map->hashsize; \ -+ int res; \ -+ \ -+ if (map->resize == 0) \ -+ return -ERANGE; \ -+ \ -+ again: \ -+ res = 0; \ -+ \ -+ /* Calculate new hash size */ \ -+ hashsize += (hashsize * map->resize)/100; \ -+ if (hashsize == map->hashsize) \ -+ hashsize++; \ -+ \ -+ ip_set_printk("rehashing of set %s triggered: " \ -+ "hashsize grows from %lu to %lu", \ -+ set->name, \ -+ (long unsigned)map->hashsize, \ -+ (long unsigned)hashsize); \ -+ \ -+ tmp = kmalloc(sizeof(struct ip_set_##type) \ -+ + map->probes * sizeof(initval_t), GFP_ATOMIC); \ -+ if (!tmp) { \ -+ DP("out of memory for %zu bytes", \ -+ sizeof(struct ip_set_##type) \ -+ + map->probes * sizeof(initval_t)); \ -+ return -ENOMEM; \ -+ } \ -+ tmp->members = harray_malloc(hashsize, sizeof(dtype), GFP_ATOMIC);\ -+ if (!tmp->members) { \ -+ DP("out of memory for %zu bytes", hashsize * sizeof(dtype));\ -+ kfree(tmp); \ -+ return -ENOMEM; \ -+ } \ -+ tmp->hashsize = hashsize; \ -+ tmp->elements = 0; \ -+ tmp->probes = map->probes; \ -+ tmp->resize = map->resize; \ -+ memcpy(tmp->initval, map->initval, map->probes * sizeof(initval_t));\ -+ __##type##_retry(tmp, map); \ -+ \ -+ write_lock_bh(&set->lock); \ -+ map = set->data; /* Play safe */ \ -+ for (i = 0; i < map->hashsize && res == 0; i++) { \ -+ elem = HARRAY_ELEM(map->members, dtype *, i); \ -+ if (cond) \ -+ res = __##type##_add(tmp, elem); \ -+ } \ -+ if (res) { \ -+ /* Failure, try again */ \ -+ write_unlock_bh(&set->lock); \ -+ harray_free(tmp->members); \ -+ kfree(tmp); \ -+ goto again; \ -+ } \ -+ \ -+ /* Success at resizing! */ \ -+ members = map->members; \ -+ \ -+ map->hashsize = tmp->hashsize; \ -+ map->members = tmp->members; \ -+ write_unlock_bh(&set->lock); \ -+ \ -+ harray_free(members); \ -+ kfree(tmp); \ -+ \ -+ return 0; \ -+} -+ -+#define HASH_RETRY(type, dtype) \ -+ HASH_RETRY0(type, dtype, *elem) -+ -+#define HASH_RETRY2(type, dtype) \ -+ HASH_RETRY0(type, dtype, elem->ip || elem->ip1) -+ -+#define HASH_CREATE(type, dtype) \ -+static int \ -+type##_create(struct ip_set *set, const void *data, u_int32_t size) \ -+{ \ -+ const struct ip_set_req_##type##_create *req = data; \ -+ struct ip_set_##type *map; \ -+ uint16_t i; \ -+ \ -+ if (req->hashsize < 1) { \ -+ ip_set_printk("hashsize too small"); \ -+ return -ENOEXEC; \ -+ } \ -+ \ -+ if (req->probes < 1) { \ -+ ip_set_printk("probes too small"); \ -+ return -ENOEXEC; \ -+ } \ -+ \ -+ map = kmalloc(sizeof(struct ip_set_##type) \ -+ + req->probes * sizeof(initval_t), GFP_KERNEL); \ -+ if (!map) { \ -+ DP("out of memory for %zu bytes", \ -+ sizeof(struct ip_set_##type) \ -+ + req->probes * sizeof(initval_t)); \ -+ return -ENOMEM; \ -+ } \ -+ for (i = 0; i < req->probes; i++) \ -+ get_random_bytes(((initval_t *) map->initval)+i, 4); \ -+ map->elements = 0; \ -+ map->hashsize = req->hashsize; \ -+ map->probes = req->probes; \ -+ map->resize = req->resize; \ -+ if (__##type##_create(req, map)) { \ -+ kfree(map); \ -+ return -ENOEXEC; \ -+ } \ -+ map->members = harray_malloc(map->hashsize, sizeof(dtype), GFP_KERNEL);\ -+ if (!map->members) { \ -+ DP("out of memory for %zu bytes", map->hashsize * sizeof(dtype));\ -+ kfree(map); \ -+ return -ENOMEM; \ -+ } \ -+ \ -+ set->data = map; \ -+ return 0; \ -+} -+ -+#define HASH_DESTROY(type) \ -+static void \ -+type##_destroy(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data; \ -+ \ -+ harray_free(map->members); \ -+ kfree(map); \ -+ \ -+ set->data = NULL; \ -+} -+ -+#define HASH_FLUSH(type, dtype) \ -+static void \ -+type##_flush(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data; \ -+ harray_flush(map->members, map->hashsize, sizeof(dtype)); \ -+ map->elements = 0; \ -+} -+ -+#define HASH_FLUSH_CIDR(type, dtype) \ -+static void \ -+type##_flush(struct ip_set *set) \ -+{ \ -+ struct ip_set_##type *map = set->data; \ -+ harray_flush(map->members, map->hashsize, sizeof(dtype)); \ -+ memset(map->cidr, 0, sizeof(map->cidr)); \ -+ memset(map->nets, 0, sizeof(map->nets)); \ -+ map->elements = 0; \ -+} -+ -+#define HASH_LIST_HEADER(type) \ -+static void \ -+type##_list_header(const struct ip_set *set, void *data) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ struct ip_set_req_##type##_create *header = data; \ -+ \ -+ header->hashsize = map->hashsize; \ -+ header->probes = map->probes; \ -+ header->resize = map->resize; \ -+ __##type##_list_header(map, header); \ -+} -+ -+#define HASH_LIST_MEMBERS_SIZE(type, dtype) \ -+static int \ -+type##_list_members_size(const struct ip_set *set) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ \ -+ return (map->hashsize * sizeof(dtype)); \ -+} -+ -+#define HASH_LIST_MEMBERS(type, dtype) \ -+static void \ -+type##_list_members(const struct ip_set *set, void *data) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ dtype *elem; \ -+ uint32_t i; \ -+ \ -+ for (i = 0; i < map->hashsize; i++) { \ -+ elem = HARRAY_ELEM(map->members, dtype *, i); \ -+ ((dtype *)data)[i] = *elem; \ -+ } \ -+} -+ -+#define HASH_LIST_MEMBERS_MEMCPY(type, dtype) \ -+static void \ -+type##_list_members(const struct ip_set *set, void *data) \ -+{ \ -+ const struct ip_set_##type *map = set->data; \ -+ dtype *elem; \ -+ uint32_t i; \ -+ \ -+ for (i = 0; i < map->hashsize; i++) { \ -+ elem = HARRAY_ELEM(map->members, dtype *, i); \ -+ memcpy((((dtype *)data)+i), elem, sizeof(dtype)); \ -+ } \ -+} -+ -+#define IP_SET_RTYPE(type, __features) \ -+struct ip_set_type ip_set_##type = { \ -+ .typename = #type, \ -+ .features = __features, \ -+ .protocol_version = IP_SET_PROTOCOL_VERSION, \ -+ .create = &type##_create, \ -+ .retry = &type##_retry, \ -+ .destroy = &type##_destroy, \ -+ .flush = &type##_flush, \ -+ .reqsize = sizeof(struct ip_set_req_##type), \ -+ .addip = &type##_uadd, \ -+ .addip_kernel = &type##_kadd, \ -+ .delip = &type##_udel, \ -+ .delip_kernel = &type##_kdel, \ -+ .testip = &type##_utest, \ -+ .testip_kernel = &type##_ktest, \ -+ .header_size = sizeof(struct ip_set_req_##type##_create),\ -+ .list_header = &type##_list_header, \ -+ .list_members_size = &type##_list_members_size, \ -+ .list_members = &type##_list_members, \ -+ .me = THIS_MODULE, \ -+}; -+ -+/* Helper functions */ -+static inline void -+add_cidr_size(uint8_t *cidr, uint8_t size) -+{ -+ uint8_t next; -+ int i; -+ -+ for (i = 0; i < 30 && cidr[i]; i++) { -+ if (cidr[i] < size) { -+ next = cidr[i]; -+ cidr[i] = size; -+ size = next; -+ } -+ } -+ if (i < 30) -+ cidr[i] = size; -+} -+ -+static inline void -+del_cidr_size(uint8_t *cidr, uint8_t size) -+{ -+ int i; -+ -+ for (i = 0; i < 29 && cidr[i]; i++) { -+ if (cidr[i] == size) -+ cidr[i] = size = cidr[i+1]; -+ } -+ cidr[29] = 0; -+} -+#else -+#include <arpa/inet.h> -+#endif /* __KERNEL */ -+ -+#ifndef UINT16_MAX -+#define UINT16_MAX 65535 -+#endif -+ -+static unsigned char shifts[] = {255, 253, 249, 241, 225, 193, 129, 1}; -+ -+static inline ip_set_ip_t -+pack_ip_cidr(ip_set_ip_t ip, unsigned char cidr) -+{ -+ ip_set_ip_t addr, *paddr = &addr; -+ unsigned char n, t, *a; -+ -+ addr = htonl(ip & (0xFFFFFFFF << (32 - (cidr)))); -+#ifdef __KERNEL__ -+ DP("ip:%u.%u.%u.%u/%u", NIPQUAD(addr), cidr); -+#endif -+ n = cidr / 8; -+ t = cidr % 8; -+ a = &((unsigned char *)paddr)[n]; -+ *a = *a /(1 << (8 - t)) + shifts[t]; -+#ifdef __KERNEL__ -+ DP("n: %u, t: %u, a: %u", n, t, *a); -+ DP("ip:%u.%u.%u.%u/%u, %u.%u.%u.%u", -+ HIPQUAD(ip), cidr, NIPQUAD(addr)); -+#endif -+ -+ return ntohl(addr); -+} -+ -+ -+#endif /* __IP_SET_HASHES_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_iphash.h -@@ -0,0 +1,30 @@ -+#ifndef __IP_SET_IPHASH_H -+#define __IP_SET_IPHASH_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_hashes.h> -+ -+#define SETTYPE_NAME "iphash" -+ -+struct ip_set_iphash { -+ ip_set_ip_t *members; /* the iphash proper */ -+ uint32_t elements; /* number of elements */ -+ uint32_t hashsize; /* hash size */ -+ uint16_t probes; /* max number of probes */ -+ uint16_t resize; /* resize factor in percent */ -+ ip_set_ip_t netmask; /* netmask */ -+ initval_t initval[0]; /* initvals for jhash_1word */ -+}; -+ -+struct ip_set_req_iphash_create { -+ uint32_t hashsize; -+ uint16_t probes; -+ uint16_t resize; -+ ip_set_ip_t netmask; -+}; -+ -+struct ip_set_req_iphash { -+ ip_set_ip_t ip; -+}; -+ -+#endif /* __IP_SET_IPHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_ipmap.h -@@ -0,0 +1,57 @@ -+#ifndef __IP_SET_IPMAP_H -+#define __IP_SET_IPMAP_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+ -+#define SETTYPE_NAME "ipmap" -+ -+struct ip_set_ipmap { -+ void *members; /* the ipmap proper */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ ip_set_ip_t netmask; /* subnet netmask */ -+ ip_set_ip_t sizeid; /* size of set in IPs */ -+ ip_set_ip_t hosts; /* number of hosts in a subnet */ -+ u_int32_t size; /* size of the ipmap proper */ -+}; -+ -+struct ip_set_req_ipmap_create { -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+ ip_set_ip_t netmask; -+}; -+ -+struct ip_set_req_ipmap { -+ ip_set_ip_t ip; -+}; -+ -+static inline unsigned int -+mask_to_bits(ip_set_ip_t mask) -+{ -+ unsigned int bits = 32; -+ ip_set_ip_t maskaddr; -+ -+ if (mask == 0xFFFFFFFF) -+ return bits; -+ -+ maskaddr = 0xFFFFFFFE; -+ while (--bits > 0 && maskaddr != mask) -+ maskaddr <<= 1; -+ -+ return bits; -+} -+ -+static inline ip_set_ip_t -+range_to_mask(ip_set_ip_t from, ip_set_ip_t to, unsigned int *bits) -+{ -+ ip_set_ip_t mask = 0xFFFFFFFE; -+ -+ *bits = 32; -+ while (--(*bits) > 0 && mask && (to & mask) != from) -+ mask <<= 1; -+ -+ return mask; -+} -+ -+#endif /* __IP_SET_IPMAP_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_ipporthash.h -@@ -0,0 +1,33 @@ -+#ifndef __IP_SET_IPPORTHASH_H -+#define __IP_SET_IPPORTHASH_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_hashes.h> -+ -+#define SETTYPE_NAME "ipporthash" -+ -+struct ip_set_ipporthash { -+ ip_set_ip_t *members; /* the ipporthash proper */ -+ uint32_t elements; /* number of elements */ -+ uint32_t hashsize; /* hash size */ -+ uint16_t probes; /* max number of probes */ -+ uint16_t resize; /* resize factor in percent */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ initval_t initval[0]; /* initvals for jhash_1word */ -+}; -+ -+struct ip_set_req_ipporthash_create { -+ uint32_t hashsize; -+ uint16_t probes; -+ uint16_t resize; -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+}; -+ -+struct ip_set_req_ipporthash { -+ ip_set_ip_t ip; -+ ip_set_ip_t port; -+}; -+ -+#endif /* __IP_SET_IPPORTHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_ipportiphash.h -@@ -0,0 +1,39 @@ -+#ifndef __IP_SET_IPPORTIPHASH_H -+#define __IP_SET_IPPORTIPHASH_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_hashes.h> -+ -+#define SETTYPE_NAME "ipportiphash" -+ -+struct ipportip { -+ ip_set_ip_t ip; -+ ip_set_ip_t ip1; -+}; -+ -+struct ip_set_ipportiphash { -+ struct ipportip *members; /* the ipportip proper */ -+ uint32_t elements; /* number of elements */ -+ uint32_t hashsize; /* hash size */ -+ uint16_t probes; /* max number of probes */ -+ uint16_t resize; /* resize factor in percent */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ initval_t initval[0]; /* initvals for jhash_1word */ -+}; -+ -+struct ip_set_req_ipportiphash_create { -+ uint32_t hashsize; -+ uint16_t probes; -+ uint16_t resize; -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+}; -+ -+struct ip_set_req_ipportiphash { -+ ip_set_ip_t ip; -+ ip_set_ip_t port; -+ ip_set_ip_t ip1; -+}; -+ -+#endif /* __IP_SET_IPPORTIPHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_ipportnethash.h -@@ -0,0 +1,42 @@ -+#ifndef __IP_SET_IPPORTNETHASH_H -+#define __IP_SET_IPPORTNETHASH_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_hashes.h> -+ -+#define SETTYPE_NAME "ipportnethash" -+ -+struct ipportip { -+ ip_set_ip_t ip; -+ ip_set_ip_t ip1; -+}; -+ -+struct ip_set_ipportnethash { -+ struct ipportip *members; /* the ipportip proper */ -+ uint32_t elements; /* number of elements */ -+ uint32_t hashsize; /* hash size */ -+ uint16_t probes; /* max number of probes */ -+ uint16_t resize; /* resize factor in percent */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ uint8_t cidr[30]; /* CIDR sizes */ -+ uint16_t nets[30]; /* nr of nets by CIDR sizes */ -+ initval_t initval[0]; /* initvals for jhash_1word */ -+}; -+ -+struct ip_set_req_ipportnethash_create { -+ uint32_t hashsize; -+ uint16_t probes; -+ uint16_t resize; -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+}; -+ -+struct ip_set_req_ipportnethash { -+ ip_set_ip_t ip; -+ ip_set_ip_t port; -+ ip_set_ip_t ip1; -+ uint8_t cidr; -+}; -+ -+#endif /* __IP_SET_IPPORTNETHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_iptree.h -@@ -0,0 +1,39 @@ -+#ifndef __IP_SET_IPTREE_H -+#define __IP_SET_IPTREE_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+#define SETTYPE_NAME "iptree" -+ -+struct ip_set_iptreed { -+ unsigned long expires[256]; /* x.x.x.ADDR */ -+}; -+ -+struct ip_set_iptreec { -+ struct ip_set_iptreed *tree[256]; /* x.x.ADDR.* */ -+}; -+ -+struct ip_set_iptreeb { -+ struct ip_set_iptreec *tree[256]; /* x.ADDR.*.* */ -+}; -+ -+struct ip_set_iptree { -+ unsigned int timeout; -+ unsigned int gc_interval; -+#ifdef __KERNEL__ -+ uint32_t elements; /* number of elements */ -+ struct timer_list gc; -+ struct ip_set_iptreeb *tree[256]; /* ADDR.*.*.* */ -+#endif -+}; -+ -+struct ip_set_req_iptree_create { -+ unsigned int timeout; -+}; -+ -+struct ip_set_req_iptree { -+ ip_set_ip_t ip; -+ unsigned int timeout; -+}; -+ -+#endif /* __IP_SET_IPTREE_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_iptreemap.h -@@ -0,0 +1,40 @@ -+#ifndef __IP_SET_IPTREEMAP_H -+#define __IP_SET_IPTREEMAP_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+#define SETTYPE_NAME "iptreemap" -+ -+#ifdef __KERNEL__ -+struct ip_set_iptreemap_d { -+ unsigned char bitmap[32]; /* x.x.x.y */ -+}; -+ -+struct ip_set_iptreemap_c { -+ struct ip_set_iptreemap_d *tree[256]; /* x.x.y.x */ -+}; -+ -+struct ip_set_iptreemap_b { -+ struct ip_set_iptreemap_c *tree[256]; /* x.y.x.x */ -+ unsigned char dirty[32]; -+}; -+#endif -+ -+struct ip_set_iptreemap { -+ unsigned int gc_interval; -+#ifdef __KERNEL__ -+ struct timer_list gc; -+ struct ip_set_iptreemap_b *tree[256]; /* y.x.x.x */ -+#endif -+}; -+ -+struct ip_set_req_iptreemap_create { -+ unsigned int gc_interval; -+}; -+ -+struct ip_set_req_iptreemap { -+ ip_set_ip_t ip; -+ ip_set_ip_t end; -+}; -+ -+#endif /* __IP_SET_IPTREEMAP_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_jhash.h -@@ -0,0 +1,157 @@ -+#ifndef _LINUX_JHASH_H -+#define _LINUX_JHASH_H -+ -+/* jhash.h: Jenkins hash support. -+ * -+ * Copyright (C) 2006. Bob Jenkins (bob_jenkins@burtleburtle.net) -+ * -+ * http://burtleburtle.net/bob/hash/ -+ * -+ * These are the credits from Bob's sources: -+ * -+ * lookup3.c, by Bob Jenkins, May 2006, Public Domain. -+ * -+ * These are functions for producing 32-bit hashes for hash table lookup. -+ * hashword(), hashlittle(), hashlittle2(), hashbig(), mix(), and final() -+ * are externally useful functions. Routines to test the hash are included -+ * if SELF_TEST is defined. You can use this free for any purpose. It's in -+ * the public domain. It has no warranty. -+ * -+ * Copyright (C) 2009 Jozsef Kadlecsik (kadlec@blackhole.kfki.hu) -+ * -+ * I've modified Bob's hash to be useful in the Linux kernel, and -+ * any bugs present are my fault. Jozsef -+ */ -+ -+#define __rot(x,k) (((x)<<(k)) | ((x)>>(32-(k)))) -+ -+/* __jhash_mix - mix 3 32-bit values reversibly. */ -+#define __jhash_mix(a,b,c) \ -+{ \ -+ a -= c; a ^= __rot(c, 4); c += b; \ -+ b -= a; b ^= __rot(a, 6); a += c; \ -+ c -= b; c ^= __rot(b, 8); b += a; \ -+ a -= c; a ^= __rot(c,16); c += b; \ -+ b -= a; b ^= __rot(a,19); a += c; \ -+ c -= b; c ^= __rot(b, 4); b += a; \ -+} -+ -+/* __jhash_final - final mixing of 3 32-bit values (a,b,c) into c */ -+#define __jhash_final(a,b,c) \ -+{ \ -+ c ^= b; c -= __rot(b,14); \ -+ a ^= c; a -= __rot(c,11); \ -+ b ^= a; b -= __rot(a,25); \ -+ c ^= b; c -= __rot(b,16); \ -+ a ^= c; a -= __rot(c,4); \ -+ b ^= a; b -= __rot(a,14); \ -+ c ^= b; c -= __rot(b,24); \ -+} -+ -+/* The golden ration: an arbitrary value */ -+#define JHASH_GOLDEN_RATIO 0xdeadbeef -+ -+/* The most generic version, hashes an arbitrary sequence -+ * of bytes. No alignment or length assumptions are made about -+ * the input key. The result depends on endianness. -+ */ -+static inline u32 jhash(const void *key, u32 length, u32 initval) -+{ -+ u32 a,b,c; -+ const u8 *k = key; -+ -+ /* Set up the internal state */ -+ a = b = c = JHASH_GOLDEN_RATIO + length + initval; -+ -+ /* all but the last block: affect some 32 bits of (a,b,c) */ -+ while (length > 12) { -+ a += (k[0] + ((u32)k[1]<<8) + ((u32)k[2]<<16) + ((u32)k[3]<<24)); -+ b += (k[4] + ((u32)k[5]<<8) + ((u32)k[6]<<16) + ((u32)k[7]<<24)); -+ c += (k[8] + ((u32)k[9]<<8) + ((u32)k[10]<<16) + ((u32)k[11]<<24)); -+ __jhash_mix(a, b, c); -+ length -= 12; -+ k += 12; -+ } -+ -+ /* last block: affect all 32 bits of (c) */ -+ /* all the case statements fall through */ -+ switch (length) { -+ case 12: c += (u32)k[11]<<24; -+ case 11: c += (u32)k[10]<<16; -+ case 10: c += (u32)k[9]<<8; -+ case 9 : c += k[8]; -+ case 8 : b += (u32)k[7]<<24; -+ case 7 : b += (u32)k[6]<<16; -+ case 6 : b += (u32)k[5]<<8; -+ case 5 : b += k[4]; -+ case 4 : a += (u32)k[3]<<24; -+ case 3 : a += (u32)k[2]<<16; -+ case 2 : a += (u32)k[1]<<8; -+ case 1 : a += k[0]; -+ __jhash_final(a, b, c); -+ case 0 : -+ break; -+ } -+ -+ return c; -+} -+ -+/* A special optimized version that handles 1 or more of u32s. -+ * The length parameter here is the number of u32s in the key. -+ */ -+static inline u32 jhash2(const u32 *k, u32 length, u32 initval) -+{ -+ u32 a, b, c; -+ -+ /* Set up the internal state */ -+ a = b = c = JHASH_GOLDEN_RATIO + (length<<2) + initval; -+ -+ /* handle most of the key */ -+ while (length > 3) { -+ a += k[0]; -+ b += k[1]; -+ c += k[2]; -+ __jhash_mix(a, b, c); -+ length -= 3; -+ k += 3; -+ } -+ -+ /* handle the last 3 u32's */ -+ /* all the case statements fall through */ -+ switch (length) { -+ case 3: c += k[2]; -+ case 2: b += k[1]; -+ case 1: a += k[0]; -+ __jhash_final(a, b, c); -+ case 0: /* case 0: nothing left to add */ -+ break; -+ } -+ -+ return c; -+} -+ -+/* A special ultra-optimized versions that knows they are hashing exactly -+ * 3, 2 or 1 word(s). -+ */ -+static inline u32 jhash_3words(u32 a, u32 b, u32 c, u32 initval) -+{ -+ a += JHASH_GOLDEN_RATIO + initval; -+ b += JHASH_GOLDEN_RATIO + initval; -+ c += JHASH_GOLDEN_RATIO + initval; -+ -+ __jhash_final(a, b, c); -+ -+ return c; -+} -+ -+static inline u32 jhash_2words(u32 a, u32 b, u32 initval) -+{ -+ return jhash_3words(0, a, b, initval); -+} -+ -+static inline u32 jhash_1word(u32 a, u32 initval) -+{ -+ return jhash_3words(0, 0, a, initval); -+} -+ -+#endif /* _LINUX_JHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_macipmap.h -@@ -0,0 +1,39 @@ -+#ifndef __IP_SET_MACIPMAP_H -+#define __IP_SET_MACIPMAP_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+ -+#define SETTYPE_NAME "macipmap" -+ -+/* general flags */ -+#define IPSET_MACIP_MATCHUNSET 1 -+ -+/* per ip flags */ -+#define IPSET_MACIP_ISSET 1 -+ -+struct ip_set_macipmap { -+ void *members; /* the macipmap proper */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ u_int32_t flags; -+ u_int32_t size; /* size of the ipmap proper */ -+}; -+ -+struct ip_set_req_macipmap_create { -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+ u_int32_t flags; -+}; -+ -+struct ip_set_req_macipmap { -+ ip_set_ip_t ip; -+ unsigned char ethernet[ETH_ALEN]; -+}; -+ -+struct ip_set_macip { -+ unsigned short match; -+ unsigned char ethernet[ETH_ALEN]; -+}; -+ -+#endif /* __IP_SET_MACIPMAP_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_malloc.h -@@ -0,0 +1,153 @@ -+#ifndef _IP_SET_MALLOC_H -+#define _IP_SET_MALLOC_H -+ -+#ifdef __KERNEL__ -+#include <linux/vmalloc.h> -+ -+static size_t max_malloc_size = 0, max_page_size = 0; -+static size_t default_max_malloc_size = 131072; /* Guaranteed: slab.c */ -+ -+static inline int init_max_page_size(void) -+{ -+/* Compatibility glues to support 2.4.36 */ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) -+#define __GFP_NOWARN 0 -+ -+ /* Guaranteed: slab.c */ -+ max_malloc_size = max_page_size = default_max_malloc_size; -+#else -+ size_t page_size = 0; -+ -+#define CACHE(x) if (max_page_size == 0 || x < max_page_size) \ -+ page_size = x; -+#include <linux/kmalloc_sizes.h> -+#undef CACHE -+ if (page_size) { -+ if (max_malloc_size == 0) -+ max_malloc_size = page_size; -+ -+ max_page_size = page_size; -+ -+ return 1; -+ } -+#endif -+ return 0; -+} -+ -+struct harray { -+ size_t max_elements; -+ void *arrays[0]; -+}; -+ -+static inline void * -+__harray_malloc(size_t hashsize, size_t typesize, gfp_t flags) -+{ -+ struct harray *harray; -+ size_t max_elements, size, i, j; -+ -+ BUG_ON(max_page_size == 0); -+ -+ if (typesize > max_page_size) -+ return NULL; -+ -+ max_elements = max_page_size/typesize; -+ size = hashsize/max_elements; -+ if (hashsize % max_elements) -+ size++; -+ -+ /* Last pointer signals end of arrays */ -+ harray = kmalloc(sizeof(struct harray) + (size + 1) * sizeof(void *), -+ flags); -+ -+ if (!harray) -+ return NULL; -+ -+ for (i = 0; i < size - 1; i++) { -+ harray->arrays[i] = kmalloc(max_elements * typesize, flags); -+ if (!harray->arrays[i]) -+ goto undo; -+ memset(harray->arrays[i], 0, max_elements * typesize); -+ } -+ harray->arrays[i] = kmalloc((hashsize - i * max_elements) * typesize, -+ flags); -+ if (!harray->arrays[i]) -+ goto undo; -+ memset(harray->arrays[i], 0, (hashsize - i * max_elements) * typesize); -+ -+ harray->max_elements = max_elements; -+ harray->arrays[size] = NULL; -+ -+ return (void *)harray; -+ -+ undo: -+ for (j = 0; j < i; j++) { -+ kfree(harray->arrays[j]); -+ } -+ kfree(harray); -+ return NULL; -+} -+ -+static inline void * -+harray_malloc(size_t hashsize, size_t typesize, gfp_t flags) -+{ -+ void *harray; -+ -+ do { -+ harray = __harray_malloc(hashsize, typesize, flags|__GFP_NOWARN); -+ } while (harray == NULL && init_max_page_size()); -+ -+ return harray; -+} -+ -+static inline void harray_free(void *h) -+{ -+ struct harray *harray = (struct harray *) h; -+ size_t i; -+ -+ for (i = 0; harray->arrays[i] != NULL; i++) -+ kfree(harray->arrays[i]); -+ kfree(harray); -+} -+ -+static inline void harray_flush(void *h, size_t hashsize, size_t typesize) -+{ -+ struct harray *harray = (struct harray *) h; -+ size_t i; -+ -+ for (i = 0; harray->arrays[i+1] != NULL; i++) -+ memset(harray->arrays[i], 0, harray->max_elements * typesize); -+ memset(harray->arrays[i], 0, -+ (hashsize - i * harray->max_elements) * typesize); -+} -+ -+#define HARRAY_ELEM(h, type, which) \ -+({ \ -+ struct harray *__h = (struct harray *)(h); \ -+ ((type)((__h)->arrays[(which)/(__h)->max_elements]) \ -+ + (which)%(__h)->max_elements); \ -+}) -+ -+/* General memory allocation and deallocation */ -+static inline void * ip_set_malloc(size_t bytes) -+{ -+ BUG_ON(max_malloc_size == 0); -+ -+ if (bytes > default_max_malloc_size) -+ return vmalloc(bytes); -+ else -+ return kmalloc(bytes, GFP_KERNEL | __GFP_NOWARN); -+} -+ -+static inline void ip_set_free(void * data, size_t bytes) -+{ -+ BUG_ON(max_malloc_size == 0); -+ -+ if (bytes > default_max_malloc_size) -+ vfree(data); -+ else -+ kfree(data); -+} -+ -+#endif /* __KERNEL__ */ -+ -+#endif /*_IP_SET_MALLOC_H*/ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_nethash.h -@@ -0,0 +1,31 @@ -+#ifndef __IP_SET_NETHASH_H -+#define __IP_SET_NETHASH_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_hashes.h> -+ -+#define SETTYPE_NAME "nethash" -+ -+struct ip_set_nethash { -+ ip_set_ip_t *members; /* the nethash proper */ -+ uint32_t elements; /* number of elements */ -+ uint32_t hashsize; /* hash size */ -+ uint16_t probes; /* max number of probes */ -+ uint16_t resize; /* resize factor in percent */ -+ uint8_t cidr[30]; /* CIDR sizes */ -+ uint16_t nets[30]; /* nr of nets by CIDR sizes */ -+ initval_t initval[0]; /* initvals for jhash_1word */ -+}; -+ -+struct ip_set_req_nethash_create { -+ uint32_t hashsize; -+ uint16_t probes; -+ uint16_t resize; -+}; -+ -+struct ip_set_req_nethash { -+ ip_set_ip_t ip; -+ uint8_t cidr; -+}; -+ -+#endif /* __IP_SET_NETHASH_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_portmap.h -@@ -0,0 +1,25 @@ -+#ifndef __IP_SET_PORTMAP_H -+#define __IP_SET_PORTMAP_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+ -+#define SETTYPE_NAME "portmap" -+ -+struct ip_set_portmap { -+ void *members; /* the portmap proper */ -+ ip_set_ip_t first_ip; /* host byte order, included in range */ -+ ip_set_ip_t last_ip; /* host byte order, included in range */ -+ u_int32_t size; /* size of the ipmap proper */ -+}; -+ -+struct ip_set_req_portmap_create { -+ ip_set_ip_t from; -+ ip_set_ip_t to; -+}; -+ -+struct ip_set_req_portmap { -+ ip_set_ip_t ip; -+}; -+ -+#endif /* __IP_SET_PORTMAP_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ip_set_setlist.h -@@ -0,0 +1,26 @@ -+#ifndef __IP_SET_SETLIST_H -+#define __IP_SET_SETLIST_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+#define SETTYPE_NAME "setlist" -+ -+#define IP_SET_SETLIST_ADD_AFTER 0 -+#define IP_SET_SETLIST_ADD_BEFORE 1 -+ -+struct ip_set_setlist { -+ uint8_t size; -+ ip_set_id_t index[0]; -+}; -+ -+struct ip_set_req_setlist_create { -+ uint8_t size; -+}; -+ -+struct ip_set_req_setlist { -+ char name[IP_SET_MAXNAMELEN]; -+ char ref[IP_SET_MAXNAMELEN]; -+ uint8_t before; -+}; -+ -+#endif /* __IP_SET_SETLIST_H */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ipt_set.h -@@ -0,0 +1,21 @@ -+#ifndef _IPT_SET_H -+#define _IPT_SET_H -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+struct ipt_set_info { -+ ip_set_id_t index; -+ u_int32_t flags[IP_SET_MAX_BINDINGS + 1]; -+}; -+ -+/* match info */ -+struct ipt_set_info_match { -+ struct ipt_set_info match_set; -+}; -+ -+struct ipt_set_info_target { -+ struct ipt_set_info add_set; -+ struct ipt_set_info del_set; -+}; -+ -+#endif /*_IPT_SET_H*/ ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set.c -@@ -0,0 +1,2076 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module for IP set management */ -+ -+#include <linux/version.h> -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+#include <linux/config.h> -+#endif -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/kmod.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/random.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <linux/capability.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27) -+#include <asm/semaphore.h> -+#else -+#include <linux/semaphore.h> -+#endif -+#include <linux/spinlock.h> -+ -+#define ASSERT_READ_LOCK(x) -+#define ASSERT_WRITE_LOCK(x) -+#include <linux/netfilter.h> -+#include <linux/netfilter_ipv4/ip_set.h> -+ -+static struct list_head set_type_list; /* all registered sets */ -+static struct ip_set **ip_set_list; /* all individual sets */ -+static DEFINE_RWLOCK(ip_set_lock); /* protects the lists and the hash */ -+static DECLARE_MUTEX(ip_set_app_mutex); /* serializes user access */ -+static ip_set_id_t ip_set_max = CONFIG_IP_NF_SET_MAX; -+static ip_set_id_t ip_set_bindings_hash_size = CONFIG_IP_NF_SET_HASHSIZE; -+static struct list_head *ip_set_hash; /* hash of bindings */ -+static unsigned int ip_set_hash_random; /* random seed */ -+ -+#define SETNAME_EQ(a,b) (strncmp(a,b,IP_SET_MAXNAMELEN) == 0) -+ -+/* -+ * Sets are identified either by the index in ip_set_list or by id. -+ * The id never changes and is used to find a key in the hash. -+ * The index may change by swapping and used at all other places -+ * (set/SET netfilter modules, binding value, etc.) -+ * -+ * Userspace requests are serialized by ip_set_mutex and sets can -+ * be deleted only from userspace. Therefore ip_set_list locking -+ * must obey the following rules: -+ * -+ * - kernel requests: read and write locking mandatory -+ * - user requests: read locking optional, write locking mandatory -+ */ -+ -+static inline void -+__ip_set_get(ip_set_id_t index) -+{ -+ atomic_inc(&ip_set_list[index]->ref); -+} -+ -+static inline void -+__ip_set_put(ip_set_id_t index) -+{ -+ atomic_dec(&ip_set_list[index]->ref); -+} -+ -+/* -+ * Binding routines -+ */ -+ -+static inline struct ip_set_hash * -+__ip_set_find(u_int32_t key, ip_set_id_t id, ip_set_ip_t ip) -+{ -+ struct ip_set_hash *set_hash; -+ -+ list_for_each_entry(set_hash, &ip_set_hash[key], list) -+ if (set_hash->id == id && set_hash->ip == ip) -+ return set_hash; -+ -+ return NULL; -+} -+ -+static ip_set_id_t -+ip_set_find_in_hash(ip_set_id_t id, ip_set_ip_t ip) -+{ -+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random) -+ % ip_set_bindings_hash_size; -+ struct ip_set_hash *set_hash; -+ -+ ASSERT_READ_LOCK(&ip_set_lock); -+ IP_SET_ASSERT(ip_set_list[id]); -+ DP("set: %s, ip: %u.%u.%u.%u", ip_set_list[id]->name, HIPQUAD(ip)); -+ -+ set_hash = __ip_set_find(key, id, ip); -+ -+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name, -+ HIPQUAD(ip), -+ set_hash != NULL ? ip_set_list[set_hash->binding]->name : ""); -+ -+ return (set_hash != NULL ? set_hash->binding : IP_SET_INVALID_ID); -+} -+ -+static inline void -+__set_hash_del(struct ip_set_hash *set_hash) -+{ -+ ASSERT_WRITE_LOCK(&ip_set_lock); -+ IP_SET_ASSERT(ip_set_list[set_hash->binding]); -+ -+ __ip_set_put(set_hash->binding); -+ list_del(&set_hash->list); -+ kfree(set_hash); -+} -+ -+static int -+ip_set_hash_del(ip_set_id_t id, ip_set_ip_t ip) -+{ -+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random) -+ % ip_set_bindings_hash_size; -+ struct ip_set_hash *set_hash; -+ -+ IP_SET_ASSERT(ip_set_list[id]); -+ DP("set: %s, ip: %u.%u.%u.%u", ip_set_list[id]->name, HIPQUAD(ip)); -+ write_lock_bh(&ip_set_lock); -+ set_hash = __ip_set_find(key, id, ip); -+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name, -+ HIPQUAD(ip), -+ set_hash != NULL ? ip_set_list[set_hash->binding]->name : ""); -+ -+ if (set_hash != NULL) -+ __set_hash_del(set_hash); -+ write_unlock_bh(&ip_set_lock); -+ return 0; -+} -+ -+static int -+ip_set_hash_add(ip_set_id_t id, ip_set_ip_t ip, ip_set_id_t binding) -+{ -+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random) -+ % ip_set_bindings_hash_size; -+ struct ip_set_hash *set_hash; -+ int ret = 0; -+ -+ IP_SET_ASSERT(ip_set_list[id]); -+ IP_SET_ASSERT(ip_set_list[binding]); -+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name, -+ HIPQUAD(ip), ip_set_list[binding]->name); -+ write_lock_bh(&ip_set_lock); -+ set_hash = __ip_set_find(key, id, ip); -+ if (!set_hash) { -+ set_hash = kmalloc(sizeof(struct ip_set_hash), GFP_ATOMIC); -+ if (!set_hash) { -+ ret = -ENOMEM; -+ goto unlock; -+ } -+ INIT_LIST_HEAD(&set_hash->list); -+ set_hash->id = id; -+ set_hash->ip = ip; -+ list_add(&set_hash->list, &ip_set_hash[key]); -+ } else { -+ IP_SET_ASSERT(ip_set_list[set_hash->binding]); -+ DP("overwrite binding: %s", -+ ip_set_list[set_hash->binding]->name); -+ __ip_set_put(set_hash->binding); -+ } -+ set_hash->binding = binding; -+ __ip_set_get(set_hash->binding); -+ DP("stored: key %u, id %u (%s), ip %u.%u.%u.%u, binding %u (%s)", -+ key, id, ip_set_list[id]->name, -+ HIPQUAD(ip), binding, ip_set_list[binding]->name); -+ unlock: -+ write_unlock_bh(&ip_set_lock); -+ return ret; -+} -+ -+#define FOREACH_HASH_DO(fn, args...) \ -+({ \ -+ ip_set_id_t __key; \ -+ struct ip_set_hash *__set_hash; \ -+ \ -+ for (__key = 0; __key < ip_set_bindings_hash_size; __key++) { \ -+ list_for_each_entry(__set_hash, &ip_set_hash[__key], list) \ -+ fn(__set_hash , ## args); \ -+ } \ -+}) -+ -+#define FOREACH_HASH_RW_DO(fn, args...) \ -+({ \ -+ ip_set_id_t __key; \ -+ struct ip_set_hash *__set_hash, *__n; \ -+ \ -+ ASSERT_WRITE_LOCK(&ip_set_lock); \ -+ for (__key = 0; __key < ip_set_bindings_hash_size; __key++) { \ -+ list_for_each_entry_safe(__set_hash, __n, &ip_set_hash[__key], list)\ -+ fn(__set_hash , ## args); \ -+ } \ -+}) -+ -+/* Add, del and test set entries from kernel */ -+ -+#define follow_bindings(index, set, ip) \ -+((index = ip_set_find_in_hash((set)->id, ip)) != IP_SET_INVALID_ID \ -+ || (index = (set)->binding) != IP_SET_INVALID_ID) -+ -+int -+ip_set_testip_kernel(ip_set_id_t index, -+ const struct sk_buff *skb, -+ const u_int32_t *flags) -+{ -+ struct ip_set *set; -+ ip_set_ip_t ip; -+ int res; -+ unsigned char i = 0; -+ -+ IP_SET_ASSERT(flags[i]); -+ read_lock_bh(&ip_set_lock); -+ do { -+ set = ip_set_list[index]; -+ IP_SET_ASSERT(set); -+ DP("set %s, index %u", set->name, index); -+ read_lock_bh(&set->lock); -+ res = set->type->testip_kernel(set, skb, &ip, flags, i++); -+ read_unlock_bh(&set->lock); -+ i += !!(set->type->features & IPSET_DATA_DOUBLE); -+ } while (res > 0 -+ && flags[i] -+ && follow_bindings(index, set, ip)); -+ read_unlock_bh(&ip_set_lock); -+ -+ return (res < 0 ? 0 : res); -+} -+ -+int -+ip_set_addip_kernel(ip_set_id_t index, -+ const struct sk_buff *skb, -+ const u_int32_t *flags) -+{ -+ struct ip_set *set; -+ ip_set_ip_t ip; -+ int res; -+ unsigned char i = 0; -+ -+ IP_SET_ASSERT(flags[i]); -+ retry: -+ read_lock_bh(&ip_set_lock); -+ do { -+ set = ip_set_list[index]; -+ IP_SET_ASSERT(set); -+ DP("set %s, index %u", set->name, index); -+ write_lock_bh(&set->lock); -+ res = set->type->addip_kernel(set, skb, &ip, flags, i++); -+ write_unlock_bh(&set->lock); -+ i += !!(set->type->features & IPSET_DATA_DOUBLE); -+ } while ((res == 0 || res == -EEXIST) -+ && flags[i] -+ && follow_bindings(index, set, ip)); -+ read_unlock_bh(&ip_set_lock); -+ -+ if (res == -EAGAIN -+ && set->type->retry -+ && (res = set->type->retry(set)) == 0) -+ goto retry; -+ -+ return res; -+} -+ -+int -+ip_set_delip_kernel(ip_set_id_t index, -+ const struct sk_buff *skb, -+ const u_int32_t *flags) -+{ -+ struct ip_set *set; -+ ip_set_ip_t ip; -+ int res; -+ unsigned char i = 0; -+ -+ IP_SET_ASSERT(flags[i]); -+ read_lock_bh(&ip_set_lock); -+ do { -+ set = ip_set_list[index]; -+ IP_SET_ASSERT(set); -+ DP("set %s, index %u", set->name, index); -+ write_lock_bh(&set->lock); -+ res = set->type->delip_kernel(set, skb, &ip, flags, i++); -+ write_unlock_bh(&set->lock); -+ i += !!(set->type->features & IPSET_DATA_DOUBLE); -+ } while ((res == 0 || res == -EEXIST) -+ && flags[i] -+ && follow_bindings(index, set, ip)); -+ read_unlock_bh(&ip_set_lock); -+ -+ return res; -+} -+ -+/* Register and deregister settype */ -+ -+static inline struct ip_set_type * -+find_set_type(const char *name) -+{ -+ struct ip_set_type *set_type; -+ -+ list_for_each_entry(set_type, &set_type_list, list) -+ if (!strncmp(set_type->typename, name, IP_SET_MAXNAMELEN - 1)) -+ return set_type; -+ return NULL; -+} -+ -+int -+ip_set_register_set_type(struct ip_set_type *set_type) -+{ -+ int ret = 0; -+ -+ if (set_type->protocol_version != IP_SET_PROTOCOL_VERSION) { -+ ip_set_printk("'%s' uses wrong protocol version %u (want %u)", -+ set_type->typename, -+ set_type->protocol_version, -+ IP_SET_PROTOCOL_VERSION); -+ return -EINVAL; -+ } -+ -+ write_lock_bh(&ip_set_lock); -+ if (find_set_type(set_type->typename)) { -+ /* Duplicate! */ -+ ip_set_printk("'%s' already registered!", -+ set_type->typename); -+ ret = -EINVAL; -+ goto unlock; -+ } -+ if (!try_module_get(THIS_MODULE)) { -+ ret = -EFAULT; -+ goto unlock; -+ } -+ list_add(&set_type->list, &set_type_list); -+ DP("'%s' registered.", set_type->typename); -+ unlock: -+ write_unlock_bh(&ip_set_lock); -+ return ret; -+} -+ -+void -+ip_set_unregister_set_type(struct ip_set_type *set_type) -+{ -+ write_lock_bh(&ip_set_lock); -+ if (!find_set_type(set_type->typename)) { -+ ip_set_printk("'%s' not registered?", -+ set_type->typename); -+ goto unlock; -+ } -+ list_del(&set_type->list); -+ module_put(THIS_MODULE); -+ DP("'%s' unregistered.", set_type->typename); -+ unlock: -+ write_unlock_bh(&ip_set_lock); -+ -+} -+ -+ip_set_id_t -+__ip_set_get_byname(const char *name, struct ip_set **set) -+{ -+ ip_set_id_t i, index = IP_SET_INVALID_ID; -+ -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && SETNAME_EQ(ip_set_list[i]->name, name)) { -+ __ip_set_get(i); -+ index = i; -+ *set = ip_set_list[i]; -+ break; -+ } -+ } -+ return index; -+} -+ -+void __ip_set_put_byindex(ip_set_id_t index) -+{ -+ if (ip_set_list[index]) -+ __ip_set_put(index); -+} -+ -+/* -+ * Userspace routines -+ */ -+ -+/* -+ * Find set by name, reference it once. The reference makes sure the -+ * thing pointed to, does not go away under our feet. Drop the reference -+ * later, using ip_set_put(). -+ */ -+ip_set_id_t -+ip_set_get_byname(const char *name) -+{ -+ ip_set_id_t i, index = IP_SET_INVALID_ID; -+ -+ down(&ip_set_app_mutex); -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && SETNAME_EQ(ip_set_list[i]->name, name)) { -+ __ip_set_get(i); -+ index = i; -+ break; -+ } -+ } -+ up(&ip_set_app_mutex); -+ return index; -+} -+ -+/* -+ * Find set by index, reference it once. The reference makes sure the -+ * thing pointed to, does not go away under our feet. Drop the reference -+ * later, using ip_set_put(). -+ */ -+ip_set_id_t -+ip_set_get_byindex(ip_set_id_t index) -+{ -+ down(&ip_set_app_mutex); -+ -+ if (index >= ip_set_max) -+ return IP_SET_INVALID_ID; -+ -+ if (ip_set_list[index]) -+ __ip_set_get(index); -+ else -+ index = IP_SET_INVALID_ID; -+ -+ up(&ip_set_app_mutex); -+ return index; -+} -+ -+/* -+ * Find the set id belonging to the index. -+ * We are protected by the mutex, so we do not need to use -+ * ip_set_lock. There is no need to reference the sets either. -+ */ -+ip_set_id_t -+ip_set_id(ip_set_id_t index) -+{ -+ if (index >= ip_set_max || !ip_set_list[index]) -+ return IP_SET_INVALID_ID; -+ -+ return ip_set_list[index]->id; -+} -+ -+/* -+ * If the given set pointer points to a valid set, decrement -+ * reference count by 1. The caller shall not assume the index -+ * to be valid, after calling this function. -+ */ -+void ip_set_put_byindex(ip_set_id_t index) -+{ -+ down(&ip_set_app_mutex); -+ if (ip_set_list[index]) -+ __ip_set_put(index); -+ up(&ip_set_app_mutex); -+} -+ -+/* Find a set by name or index */ -+static ip_set_id_t -+ip_set_find_byname(const char *name) -+{ -+ ip_set_id_t i, index = IP_SET_INVALID_ID; -+ -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && SETNAME_EQ(ip_set_list[i]->name, name)) { -+ index = i; -+ break; -+ } -+ } -+ return index; -+} -+ -+static ip_set_id_t -+ip_set_find_byindex(ip_set_id_t index) -+{ -+ if (index >= ip_set_max || ip_set_list[index] == NULL) -+ index = IP_SET_INVALID_ID; -+ -+ return index; -+} -+ -+/* -+ * Add, del, test, bind and unbind -+ */ -+ -+static inline int -+__ip_set_testip(struct ip_set *set, -+ const void *data, -+ u_int32_t size, -+ ip_set_ip_t *ip) -+{ -+ int res; -+ -+ read_lock_bh(&set->lock); -+ res = set->type->testip(set, data, size, ip); -+ read_unlock_bh(&set->lock); -+ -+ return res; -+} -+ -+static int -+__ip_set_addip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ do { -+ write_lock_bh(&set->lock); -+ res = set->type->addip(set, data, size, &ip); -+ write_unlock_bh(&set->lock); -+ } while (res == -EAGAIN -+ && set->type->retry -+ && (res = set->type->retry(set)) == 0); -+ -+ return res; -+} -+ -+static int -+ip_set_addip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ -+ IP_SET_ASSERT(set); -+ -+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) { -+ ip_set_printk("data length wrong (want %lu, have %zu)", -+ (long unsigned)set->type->reqsize, -+ size - sizeof(struct ip_set_req_adt)); -+ return -EINVAL; -+ } -+ return __ip_set_addip(index, -+ data + sizeof(struct ip_set_req_adt), -+ size - sizeof(struct ip_set_req_adt)); -+} -+ -+static int -+ip_set_delip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ -+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) { -+ ip_set_printk("data length wrong (want %lu, have %zu)", -+ (long unsigned)set->type->reqsize, -+ size - sizeof(struct ip_set_req_adt)); -+ return -EINVAL; -+ } -+ write_lock_bh(&set->lock); -+ res = set->type->delip(set, -+ data + sizeof(struct ip_set_req_adt), -+ size - sizeof(struct ip_set_req_adt), -+ &ip); -+ write_unlock_bh(&set->lock); -+ -+ return res; -+} -+ -+static int -+ip_set_testip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ -+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) { -+ ip_set_printk("data length wrong (want %lu, have %zu)", -+ (long unsigned)set->type->reqsize, -+ size - sizeof(struct ip_set_req_adt)); -+ return -EINVAL; -+ } -+ res = __ip_set_testip(set, -+ data + sizeof(struct ip_set_req_adt), -+ size - sizeof(struct ip_set_req_adt), -+ &ip); -+ -+ return (res > 0 ? -EEXIST : res); -+} -+ -+static int -+ip_set_bindip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ const struct ip_set_req_bind *req_bind; -+ ip_set_id_t binding; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ if (size < sizeof(struct ip_set_req_bind)) -+ return -EINVAL; -+ -+ req_bind = data; -+ -+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) { -+ /* Default binding of a set */ -+ const char *binding_name; -+ -+ if (size != sizeof(struct ip_set_req_bind) + IP_SET_MAXNAMELEN) -+ return -EINVAL; -+ -+ binding_name = data + sizeof(struct ip_set_req_bind); -+ -+ binding = ip_set_find_byname(binding_name); -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ write_lock_bh(&ip_set_lock); -+ /* Sets as binding values are referenced */ -+ if (set->binding != IP_SET_INVALID_ID) -+ __ip_set_put(set->binding); -+ set->binding = binding; -+ __ip_set_get(set->binding); -+ write_unlock_bh(&ip_set_lock); -+ -+ return 0; -+ } -+ binding = ip_set_find_byname(req_bind->binding); -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ res = __ip_set_testip(set, -+ data + sizeof(struct ip_set_req_bind), -+ size - sizeof(struct ip_set_req_bind), -+ &ip); -+ DP("set %s, ip: %u.%u.%u.%u, binding %s", -+ set->name, HIPQUAD(ip), ip_set_list[binding]->name); -+ -+ if (res >= 0) -+ res = ip_set_hash_add(set->id, ip, binding); -+ -+ return res; -+} -+ -+#define FOREACH_SET_DO(fn, args...) \ -+({ \ -+ ip_set_id_t __i; \ -+ struct ip_set *__set; \ -+ \ -+ for (__i = 0; __i < ip_set_max; __i++) { \ -+ __set = ip_set_list[__i]; \ -+ if (__set != NULL) \ -+ fn(__set , ##args); \ -+ } \ -+}) -+ -+static inline void -+__set_hash_del_byid(struct ip_set_hash *set_hash, ip_set_id_t id) -+{ -+ if (set_hash->id == id) -+ __set_hash_del(set_hash); -+} -+ -+static inline void -+__unbind_default(struct ip_set *set) -+{ -+ if (set->binding != IP_SET_INVALID_ID) { -+ /* Sets as binding values are referenced */ -+ __ip_set_put(set->binding); -+ set->binding = IP_SET_INVALID_ID; -+ } -+} -+ -+static int -+ip_set_unbindip(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set; -+ const struct ip_set_req_bind *req_bind; -+ ip_set_ip_t ip; -+ int res; -+ -+ DP(""); -+ if (size < sizeof(struct ip_set_req_bind)) -+ return -EINVAL; -+ -+ req_bind = data; -+ -+ DP("%u %s", index, req_bind->binding); -+ if (index == IP_SET_INVALID_ID) { -+ /* unbind :all: */ -+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) { -+ /* Default binding of sets */ -+ write_lock_bh(&ip_set_lock); -+ FOREACH_SET_DO(__unbind_default); -+ write_unlock_bh(&ip_set_lock); -+ return 0; -+ } else if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_ALL)) { -+ /* Flush all bindings of all sets*/ -+ write_lock_bh(&ip_set_lock); -+ FOREACH_HASH_RW_DO(__set_hash_del); -+ write_unlock_bh(&ip_set_lock); -+ return 0; -+ } -+ DP("unreachable reached!"); -+ return -EINVAL; -+ } -+ -+ set = ip_set_list[index]; -+ IP_SET_ASSERT(set); -+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) { -+ /* Default binding of set */ -+ ip_set_id_t binding = ip_set_find_byindex(set->binding); -+ -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ write_lock_bh(&ip_set_lock); -+ /* Sets in hash values are referenced */ -+ __ip_set_put(set->binding); -+ set->binding = IP_SET_INVALID_ID; -+ write_unlock_bh(&ip_set_lock); -+ -+ return 0; -+ } else if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_ALL)) { -+ /* Flush all bindings */ -+ -+ write_lock_bh(&ip_set_lock); -+ FOREACH_HASH_RW_DO(__set_hash_del_byid, set->id); -+ write_unlock_bh(&ip_set_lock); -+ return 0; -+ } -+ -+ res = __ip_set_testip(set, -+ data + sizeof(struct ip_set_req_bind), -+ size - sizeof(struct ip_set_req_bind), -+ &ip); -+ -+ DP("set %s, ip: %u.%u.%u.%u", set->name, HIPQUAD(ip)); -+ if (res >= 0) -+ res = ip_set_hash_del(set->id, ip); -+ -+ return res; -+} -+ -+static int -+ip_set_testbind(ip_set_id_t index, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ const struct ip_set_req_bind *req_bind; -+ ip_set_id_t binding; -+ ip_set_ip_t ip; -+ int res; -+ -+ IP_SET_ASSERT(set); -+ if (size < sizeof(struct ip_set_req_bind)) -+ return -EINVAL; -+ -+ req_bind = data; -+ -+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) { -+ /* Default binding of set */ -+ const char *binding_name; -+ -+ if (size != sizeof(struct ip_set_req_bind) + IP_SET_MAXNAMELEN) -+ return -EINVAL; -+ -+ binding_name = data + sizeof(struct ip_set_req_bind); -+ -+ binding = ip_set_find_byname(binding_name); -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ res = (set->binding == binding) ? -EEXIST : 0; -+ -+ return res; -+ } -+ binding = ip_set_find_byname(req_bind->binding); -+ if (binding == IP_SET_INVALID_ID) -+ return -ENOENT; -+ -+ -+ res = __ip_set_testip(set, -+ data + sizeof(struct ip_set_req_bind), -+ size - sizeof(struct ip_set_req_bind), -+ &ip); -+ DP("set %s, ip: %u.%u.%u.%u, binding %s", -+ set->name, HIPQUAD(ip), ip_set_list[binding]->name); -+ -+ if (res >= 0) -+ res = (ip_set_find_in_hash(set->id, ip) == binding) -+ ? -EEXIST : 0; -+ -+ return res; -+} -+ -+static struct ip_set_type * -+find_set_type_rlock(const char *typename) -+{ -+ struct ip_set_type *type; -+ -+ read_lock_bh(&ip_set_lock); -+ type = find_set_type(typename); -+ if (type == NULL) -+ read_unlock_bh(&ip_set_lock); -+ -+ return type; -+} -+ -+static int -+find_free_id(const char *name, -+ ip_set_id_t *index, -+ ip_set_id_t *id) -+{ -+ ip_set_id_t i; -+ -+ *id = IP_SET_INVALID_ID; -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] == NULL) { -+ if (*id == IP_SET_INVALID_ID) -+ *id = *index = i; -+ } else if (SETNAME_EQ(name, ip_set_list[i]->name)) -+ /* Name clash */ -+ return -EEXIST; -+ } -+ if (*id == IP_SET_INVALID_ID) -+ /* No free slot remained */ -+ return -ERANGE; -+ /* Check that index is usable as id (swapping) */ -+ check: -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && ip_set_list[i]->id == *id) { -+ *id = i; -+ goto check; -+ } -+ } -+ return 0; -+} -+ -+/* -+ * Create a set -+ */ -+static int -+ip_set_create(const char *name, -+ const char *typename, -+ ip_set_id_t restore, -+ const void *data, -+ u_int32_t size) -+{ -+ struct ip_set *set; -+ ip_set_id_t index = 0, id; -+ int res = 0; -+ -+ DP("setname: %s, typename: %s, id: %u", name, typename, restore); -+ -+ /* -+ * First, and without any locks, allocate and initialize -+ * a normal base set structure. -+ */ -+ set = kmalloc(sizeof(struct ip_set), GFP_KERNEL); -+ if (!set) -+ return -ENOMEM; -+ rwlock_init(&set->lock); -+ strncpy(set->name, name, IP_SET_MAXNAMELEN); -+ set->binding = IP_SET_INVALID_ID; -+ atomic_set(&set->ref, 0); -+ -+ /* -+ * Next, take the &ip_set_lock, check that we know the type, -+ * and take a reference on the type, to make sure it -+ * stays available while constructing our new set. -+ * -+ * After referencing the type, we drop the &ip_set_lock, -+ * and let the new set construction run without locks. -+ */ -+ set->type = find_set_type_rlock(typename); -+ if (set->type == NULL) { -+ /* Try loading the module */ -+ char modulename[IP_SET_MAXNAMELEN + strlen("ip_set_") + 1]; -+ strcpy(modulename, "ip_set_"); -+ strcat(modulename, typename); -+ DP("try to load %s", modulename); -+ request_module(modulename); -+ set->type = find_set_type_rlock(typename); -+ } -+ if (set->type == NULL) { -+ ip_set_printk("no set type '%s', set '%s' not created", -+ typename, name); -+ res = -ENOENT; -+ goto out; -+ } -+ if (!try_module_get(set->type->me)) { -+ read_unlock_bh(&ip_set_lock); -+ res = -EFAULT; -+ goto out; -+ } -+ read_unlock_bh(&ip_set_lock); -+ -+ /* Check request size */ -+ if (size != set->type->header_size) { -+ ip_set_printk("data length wrong (want %lu, have %lu)", -+ (long unsigned)set->type->header_size, -+ (long unsigned)size); -+ goto put_out; -+ } -+ -+ /* -+ * Without holding any locks, create private part. -+ */ -+ res = set->type->create(set, data, size); -+ if (res != 0) -+ goto put_out; -+ -+ /* BTW, res==0 here. */ -+ -+ /* -+ * Here, we have a valid, constructed set. &ip_set_lock again, -+ * find free id/index and check that it is not already in -+ * ip_set_list. -+ */ -+ write_lock_bh(&ip_set_lock); -+ if ((res = find_free_id(set->name, &index, &id)) != 0) { -+ DP("no free id!"); -+ goto cleanup; -+ } -+ -+ /* Make sure restore gets the same index */ -+ if (restore != IP_SET_INVALID_ID && index != restore) { -+ DP("Can't restore, sets are screwed up"); -+ res = -ERANGE; -+ goto cleanup; -+ } -+ -+ /* -+ * Finally! Add our shiny new set to the list, and be done. -+ */ -+ DP("create: '%s' created with index %u, id %u!", set->name, index, id); -+ set->id = id; -+ ip_set_list[index] = set; -+ write_unlock_bh(&ip_set_lock); -+ return res; -+ -+ cleanup: -+ write_unlock_bh(&ip_set_lock); -+ set->type->destroy(set); -+ put_out: -+ module_put(set->type->me); -+ out: -+ kfree(set); -+ return res; -+} -+ -+/* -+ * Destroy a given existing set -+ */ -+static void -+ip_set_destroy_set(ip_set_id_t index) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ -+ IP_SET_ASSERT(set); -+ DP("set: %s", set->name); -+ write_lock_bh(&ip_set_lock); -+ FOREACH_HASH_RW_DO(__set_hash_del_byid, set->id); -+ if (set->binding != IP_SET_INVALID_ID) -+ __ip_set_put(set->binding); -+ ip_set_list[index] = NULL; -+ write_unlock_bh(&ip_set_lock); -+ -+ /* Must call it without holding any lock */ -+ set->type->destroy(set); -+ module_put(set->type->me); -+ kfree(set); -+} -+ -+/* -+ * Destroy a set - or all sets -+ * Sets must not be referenced/used. -+ */ -+static int -+ip_set_destroy(ip_set_id_t index) -+{ -+ ip_set_id_t i; -+ -+ /* ref modification always protected by the mutex */ -+ if (index != IP_SET_INVALID_ID) { -+ if (atomic_read(&ip_set_list[index]->ref)) -+ return -EBUSY; -+ ip_set_destroy_set(index); -+ } else { -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && (atomic_read(&ip_set_list[i]->ref))) -+ return -EBUSY; -+ } -+ -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL) -+ ip_set_destroy_set(i); -+ } -+ } -+ return 0; -+} -+ -+static void -+ip_set_flush_set(struct ip_set *set) -+{ -+ DP("set: %s %u", set->name, set->id); -+ -+ write_lock_bh(&set->lock); -+ set->type->flush(set); -+ write_unlock_bh(&set->lock); -+} -+ -+/* -+ * Flush data in a set - or in all sets -+ */ -+static int -+ip_set_flush(ip_set_id_t index) -+{ -+ if (index != IP_SET_INVALID_ID) { -+ IP_SET_ASSERT(ip_set_list[index]); -+ ip_set_flush_set(ip_set_list[index]); -+ } else -+ FOREACH_SET_DO(ip_set_flush_set); -+ -+ return 0; -+} -+ -+/* Rename a set */ -+static int -+ip_set_rename(ip_set_id_t index, const char *name) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ ip_set_id_t i; -+ int res = 0; -+ -+ DP("set: %s to %s", set->name, name); -+ write_lock_bh(&ip_set_lock); -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL -+ && SETNAME_EQ(ip_set_list[i]->name, name)) { -+ res = -EEXIST; -+ goto unlock; -+ } -+ } -+ strncpy(set->name, name, IP_SET_MAXNAMELEN); -+ unlock: -+ write_unlock_bh(&ip_set_lock); -+ return res; -+} -+ -+/* -+ * Swap two sets so that name/index points to the other. -+ * References are also swapped. -+ */ -+static int -+ip_set_swap(ip_set_id_t from_index, ip_set_id_t to_index) -+{ -+ struct ip_set *from = ip_set_list[from_index]; -+ struct ip_set *to = ip_set_list[to_index]; -+ char from_name[IP_SET_MAXNAMELEN]; -+ u_int32_t from_ref; -+ -+ DP("set: %s to %s", from->name, to->name); -+ /* Features must not change. -+ * Not an artifical restriction anymore, as we must prevent -+ * possible loops created by swapping in setlist type of sets. */ -+ if (from->type->features != to->type->features) -+ return -ENOEXEC; -+ -+ /* No magic here: ref munging protected by the mutex */ -+ write_lock_bh(&ip_set_lock); -+ strncpy(from_name, from->name, IP_SET_MAXNAMELEN); -+ from_ref = atomic_read(&from->ref); -+ -+ strncpy(from->name, to->name, IP_SET_MAXNAMELEN); -+ atomic_set(&from->ref, atomic_read(&to->ref)); -+ strncpy(to->name, from_name, IP_SET_MAXNAMELEN); -+ atomic_set(&to->ref, from_ref); -+ -+ ip_set_list[from_index] = to; -+ ip_set_list[to_index] = from; -+ -+ write_unlock_bh(&ip_set_lock); -+ return 0; -+} -+ -+/* -+ * List set data -+ */ -+ -+static inline void -+__set_hash_bindings_size_list(struct ip_set_hash *set_hash, -+ ip_set_id_t id, u_int32_t *size) -+{ -+ if (set_hash->id == id) -+ *size += sizeof(struct ip_set_hash_list); -+} -+ -+static inline void -+__set_hash_bindings_size_save(struct ip_set_hash *set_hash, -+ ip_set_id_t id, u_int32_t *size) -+{ -+ if (set_hash->id == id) -+ *size += sizeof(struct ip_set_hash_save); -+} -+ -+static inline void -+__set_hash_bindings(struct ip_set_hash *set_hash, -+ ip_set_id_t id, void *data, int *used) -+{ -+ if (set_hash->id == id) { -+ struct ip_set_hash_list *hash_list = data + *used; -+ -+ hash_list->ip = set_hash->ip; -+ hash_list->binding = set_hash->binding; -+ *used += sizeof(struct ip_set_hash_list); -+ } -+} -+ -+static int ip_set_list_set(ip_set_id_t index, -+ void *data, -+ int *used, -+ int len) -+{ -+ struct ip_set *set = ip_set_list[index]; -+ struct ip_set_list *set_list; -+ -+ /* Pointer to our header */ -+ set_list = data + *used; -+ -+ DP("set: %s, used: %d %p %p", set->name, *used, data, data + *used); -+ -+ /* Get and ensure header size */ -+ if (*used + sizeof(struct ip_set_list) > len) -+ goto not_enough_mem; -+ *used += sizeof(struct ip_set_list); -+ -+ read_lock_bh(&set->lock); -+ /* Get and ensure set specific header size */ -+ set_list->header_size = set->type->header_size; -+ if (*used + set_list->header_size > len) -+ goto unlock_set; -+ -+ /* Fill in the header */ -+ set_list->index = index; -+ set_list->binding = set->binding; -+ set_list->ref = atomic_read(&set->ref); -+ -+ /* Fill in set spefific header data */ -+ set->type->list_header(set, data + *used); -+ *used += set_list->header_size; -+ -+ /* Get and ensure set specific members size */ -+ set_list->members_size = set->type->list_members_size(set); -+ if (*used + set_list->members_size > len) -+ goto unlock_set; -+ -+ /* Fill in set spefific members data */ -+ set->type->list_members(set, data + *used); -+ *used += set_list->members_size; -+ read_unlock_bh(&set->lock); -+ -+ /* Bindings */ -+ -+ /* Get and ensure set specific bindings size */ -+ set_list->bindings_size = 0; -+ FOREACH_HASH_DO(__set_hash_bindings_size_list, -+ set->id, &set_list->bindings_size); -+ if (*used + set_list->bindings_size > len) -+ goto not_enough_mem; -+ -+ /* Fill in set spefific bindings data */ -+ FOREACH_HASH_DO(__set_hash_bindings, set->id, data, used); -+ -+ return 0; -+ -+ unlock_set: -+ read_unlock_bh(&set->lock); -+ not_enough_mem: -+ DP("not enough mem, try again"); -+ return -EAGAIN; -+} -+ -+/* -+ * Save sets -+ */ -+static int ip_set_save_set(ip_set_id_t index, -+ void *data, -+ int *used, -+ int len) -+{ -+ struct ip_set *set; -+ struct ip_set_save *set_save; -+ -+ /* Pointer to our header */ -+ set_save = data + *used; -+ -+ /* Get and ensure header size */ -+ if (*used + sizeof(struct ip_set_save) > len) -+ goto not_enough_mem; -+ *used += sizeof(struct ip_set_save); -+ -+ set = ip_set_list[index]; -+ DP("set: %s, used: %d(%d) %p %p", set->name, *used, len, -+ data, data + *used); -+ -+ read_lock_bh(&set->lock); -+ /* Get and ensure set specific header size */ -+ set_save->header_size = set->type->header_size; -+ if (*used + set_save->header_size > len) -+ goto unlock_set; -+ -+ /* Fill in the header */ -+ set_save->index = index; -+ set_save->binding = set->binding; -+ -+ /* Fill in set spefific header data */ -+ set->type->list_header(set, data + *used); -+ *used += set_save->header_size; -+ -+ DP("set header filled: %s, used: %d(%lu) %p %p", set->name, *used, -+ (unsigned long)set_save->header_size, data, data + *used); -+ /* Get and ensure set specific members size */ -+ set_save->members_size = set->type->list_members_size(set); -+ if (*used + set_save->members_size > len) -+ goto unlock_set; -+ -+ /* Fill in set spefific members data */ -+ set->type->list_members(set, data + *used); -+ *used += set_save->members_size; -+ read_unlock_bh(&set->lock); -+ DP("set members filled: %s, used: %d(%lu) %p %p", set->name, *used, -+ (unsigned long)set_save->members_size, data, data + *used); -+ return 0; -+ -+ unlock_set: -+ read_unlock_bh(&set->lock); -+ not_enough_mem: -+ DP("not enough mem, try again"); -+ return -EAGAIN; -+} -+ -+static inline void -+__set_hash_save_bindings(struct ip_set_hash *set_hash, -+ ip_set_id_t id, -+ void *data, -+ int *used, -+ int len, -+ int *res) -+{ -+ if (*res == 0 -+ && (id == IP_SET_INVALID_ID || set_hash->id == id)) { -+ struct ip_set_hash_save *hash_save = data + *used; -+ /* Ensure bindings size */ -+ if (*used + sizeof(struct ip_set_hash_save) > len) { -+ *res = -ENOMEM; -+ return; -+ } -+ hash_save->id = set_hash->id; -+ hash_save->ip = set_hash->ip; -+ hash_save->binding = set_hash->binding; -+ *used += sizeof(struct ip_set_hash_save); -+ } -+} -+ -+static int ip_set_save_bindings(ip_set_id_t index, -+ void *data, -+ int *used, -+ int len) -+{ -+ int res = 0; -+ struct ip_set_save *set_save; -+ -+ DP("used %u, len %u", *used, len); -+ /* Get and ensure header size */ -+ if (*used + sizeof(struct ip_set_save) > len) -+ return -ENOMEM; -+ -+ /* Marker */ -+ set_save = data + *used; -+ set_save->index = IP_SET_INVALID_ID; -+ set_save->header_size = 0; -+ set_save->members_size = 0; -+ *used += sizeof(struct ip_set_save); -+ -+ DP("marker added used %u, len %u", *used, len); -+ /* Fill in bindings data */ -+ if (index != IP_SET_INVALID_ID) -+ /* Sets are identified by id in hash */ -+ index = ip_set_list[index]->id; -+ FOREACH_HASH_DO(__set_hash_save_bindings, index, data, used, len, &res); -+ -+ return res; -+} -+ -+/* -+ * Restore sets -+ */ -+static int ip_set_restore(void *data, -+ int len) -+{ -+ int res = 0; -+ int line = 0, used = 0, members_size; -+ struct ip_set *set; -+ struct ip_set_hash_save *hash_save; -+ struct ip_set_restore *set_restore; -+ ip_set_id_t index; -+ -+ /* Loop to restore sets */ -+ while (1) { -+ line++; -+ -+ DP("%d %zu %d", used, sizeof(struct ip_set_restore), len); -+ /* Get and ensure header size */ -+ if (used + sizeof(struct ip_set_restore) > len) -+ return line; -+ set_restore = data + used; -+ used += sizeof(struct ip_set_restore); -+ -+ /* Ensure data size */ -+ if (used -+ + set_restore->header_size -+ + set_restore->members_size > len) -+ return line; -+ -+ /* Check marker */ -+ if (set_restore->index == IP_SET_INVALID_ID) { -+ line--; -+ goto bindings; -+ } -+ -+ /* Try to create the set */ -+ DP("restore %s %s", set_restore->name, set_restore->typename); -+ res = ip_set_create(set_restore->name, -+ set_restore->typename, -+ set_restore->index, -+ data + used, -+ set_restore->header_size); -+ -+ if (res != 0) -+ return line; -+ used += set_restore->header_size; -+ -+ index = ip_set_find_byindex(set_restore->index); -+ DP("index %u, restore_index %u", index, set_restore->index); -+ if (index != set_restore->index) -+ return line; -+ /* Try to restore members data */ -+ set = ip_set_list[index]; -+ members_size = 0; -+ DP("members_size %lu reqsize %lu", -+ (unsigned long)set_restore->members_size, -+ (unsigned long)set->type->reqsize); -+ while (members_size + set->type->reqsize <= -+ set_restore->members_size) { -+ line++; -+ DP("members: %d, line %d", members_size, line); -+ res = __ip_set_addip(index, -+ data + used + members_size, -+ set->type->reqsize); -+ if (!(res == 0 || res == -EEXIST)) -+ return line; -+ members_size += set->type->reqsize; -+ } -+ -+ DP("members_size %lu %d", -+ (unsigned long)set_restore->members_size, members_size); -+ if (members_size != set_restore->members_size) -+ return line++; -+ used += set_restore->members_size; -+ } -+ -+ bindings: -+ /* Loop to restore bindings */ -+ while (used < len) { -+ line++; -+ -+ DP("restore binding, line %u", line); -+ /* Get and ensure size */ -+ if (used + sizeof(struct ip_set_hash_save) > len) -+ return line; -+ hash_save = data + used; -+ used += sizeof(struct ip_set_hash_save); -+ -+ /* hash_save->id is used to store the index */ -+ index = ip_set_find_byindex(hash_save->id); -+ DP("restore binding index %u, id %u, %u -> %u", -+ index, hash_save->id, hash_save->ip, hash_save->binding); -+ if (index != hash_save->id) -+ return line; -+ if (ip_set_find_byindex(hash_save->binding) == IP_SET_INVALID_ID) { -+ DP("corrupt binding set index %u", hash_save->binding); -+ return line; -+ } -+ set = ip_set_list[hash_save->id]; -+ /* Null valued IP means default binding */ -+ if (hash_save->ip) -+ res = ip_set_hash_add(set->id, -+ hash_save->ip, -+ hash_save->binding); -+ else { -+ IP_SET_ASSERT(set->binding == IP_SET_INVALID_ID); -+ write_lock_bh(&ip_set_lock); -+ set->binding = hash_save->binding; -+ __ip_set_get(set->binding); -+ write_unlock_bh(&ip_set_lock); -+ DP("default binding: %u", set->binding); -+ } -+ if (res != 0) -+ return line; -+ } -+ if (used != len) -+ return line; -+ -+ return 0; -+} -+ -+static int -+ip_set_sockfn_set(struct sock *sk, int optval, void *user, unsigned int len) -+{ -+ void *data; -+ int res = 0; /* Assume OK */ -+ unsigned *op; -+ struct ip_set_req_adt *req_adt; -+ ip_set_id_t index = IP_SET_INVALID_ID; -+ int (*adtfn)(ip_set_id_t index, -+ const void *data, u_int32_t size); -+ struct fn_table { -+ int (*fn)(ip_set_id_t index, -+ const void *data, u_int32_t size); -+ } adtfn_table[] = -+ { { ip_set_addip }, { ip_set_delip }, { ip_set_testip}, -+ { ip_set_bindip}, { ip_set_unbindip }, { ip_set_testbind }, -+ }; -+ -+ DP("optval=%d, user=%p, len=%d", optval, user, len); -+ if (!capable(CAP_NET_ADMIN)) -+ return -EPERM; -+ if (optval != SO_IP_SET) -+ return -EBADF; -+ if (len <= sizeof(unsigned)) { -+ ip_set_printk("short userdata (want >%zu, got %u)", -+ sizeof(unsigned), len); -+ return -EINVAL; -+ } -+ data = vmalloc(len); -+ if (!data) { -+ DP("out of mem for %u bytes", len); -+ return -ENOMEM; -+ } -+ if (copy_from_user(data, user, len) != 0) { -+ res = -EFAULT; -+ goto done; -+ } -+ if (down_interruptible(&ip_set_app_mutex)) { -+ res = -EINTR; -+ goto done; -+ } -+ -+ op = (unsigned *)data; -+ DP("op=%x", *op); -+ -+ if (*op < IP_SET_OP_VERSION) { -+ /* Check the version at the beginning of operations */ -+ struct ip_set_req_version *req_version = data; -+ if (req_version->version != IP_SET_PROTOCOL_VERSION) { -+ res = -EPROTO; -+ goto done; -+ } -+ } -+ -+ switch (*op) { -+ case IP_SET_OP_CREATE:{ -+ struct ip_set_req_create *req_create = data; -+ -+ if (len < sizeof(struct ip_set_req_create)) { -+ ip_set_printk("short CREATE data (want >=%zu, got %u)", -+ sizeof(struct ip_set_req_create), len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_create->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ req_create->typename[IP_SET_MAXNAMELEN - 1] = '\0'; -+ res = ip_set_create(req_create->name, -+ req_create->typename, -+ IP_SET_INVALID_ID, -+ data + sizeof(struct ip_set_req_create), -+ len - sizeof(struct ip_set_req_create)); -+ goto done; -+ } -+ case IP_SET_OP_DESTROY:{ -+ struct ip_set_req_std *req_destroy = data; -+ -+ if (len != sizeof(struct ip_set_req_std)) { -+ ip_set_printk("invalid DESTROY data (want %zu, got %u)", -+ sizeof(struct ip_set_req_std), len); -+ res = -EINVAL; -+ goto done; -+ } -+ if (SETNAME_EQ(req_destroy->name, IPSET_TOKEN_ALL)) { -+ /* Destroy all sets */ -+ index = IP_SET_INVALID_ID; -+ } else { -+ req_destroy->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byname(req_destroy->name); -+ -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ } -+ -+ res = ip_set_destroy(index); -+ goto done; -+ } -+ case IP_SET_OP_FLUSH:{ -+ struct ip_set_req_std *req_flush = data; -+ -+ if (len != sizeof(struct ip_set_req_std)) { -+ ip_set_printk("invalid FLUSH data (want %zu, got %u)", -+ sizeof(struct ip_set_req_std), len); -+ res = -EINVAL; -+ goto done; -+ } -+ if (SETNAME_EQ(req_flush->name, IPSET_TOKEN_ALL)) { -+ /* Flush all sets */ -+ index = IP_SET_INVALID_ID; -+ } else { -+ req_flush->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byname(req_flush->name); -+ -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ } -+ res = ip_set_flush(index); -+ goto done; -+ } -+ case IP_SET_OP_RENAME:{ -+ struct ip_set_req_create *req_rename = data; -+ -+ if (len != sizeof(struct ip_set_req_create)) { -+ ip_set_printk("invalid RENAME data (want %zu, got %u)", -+ sizeof(struct ip_set_req_create), len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ req_rename->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ req_rename->typename[IP_SET_MAXNAMELEN - 1] = '\0'; -+ -+ index = ip_set_find_byname(req_rename->name); -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ res = ip_set_rename(index, req_rename->typename); -+ goto done; -+ } -+ case IP_SET_OP_SWAP:{ -+ struct ip_set_req_create *req_swap = data; -+ ip_set_id_t to_index; -+ -+ if (len != sizeof(struct ip_set_req_create)) { -+ ip_set_printk("invalid SWAP data (want %zu, got %u)", -+ sizeof(struct ip_set_req_create), len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ req_swap->name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ req_swap->typename[IP_SET_MAXNAMELEN - 1] = '\0'; -+ -+ index = ip_set_find_byname(req_swap->name); -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ to_index = ip_set_find_byname(req_swap->typename); -+ if (to_index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ res = ip_set_swap(index, to_index); -+ goto done; -+ } -+ default: -+ break; /* Set identified by id */ -+ } -+ -+ /* There we may have add/del/test/bind/unbind/test_bind operations */ -+ if (*op < IP_SET_OP_ADD_IP || *op > IP_SET_OP_TEST_BIND_SET) { -+ res = -EBADMSG; -+ goto done; -+ } -+ adtfn = adtfn_table[*op - IP_SET_OP_ADD_IP].fn; -+ -+ if (len < sizeof(struct ip_set_req_adt)) { -+ ip_set_printk("short data in adt request (want >=%zu, got %u)", -+ sizeof(struct ip_set_req_adt), len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_adt = data; -+ -+ /* -U :all: :all:|:default: uses IP_SET_INVALID_ID */ -+ if (!(*op == IP_SET_OP_UNBIND_SET -+ && req_adt->index == IP_SET_INVALID_ID)) { -+ index = ip_set_find_byindex(req_adt->index); -+ if (index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ } -+ res = adtfn(index, data, len); -+ -+ done: -+ up(&ip_set_app_mutex); -+ vfree(data); -+ if (res > 0) -+ res = 0; -+ DP("final result %d", res); -+ return res; -+} -+ -+static int -+ip_set_sockfn_get(struct sock *sk, int optval, void *user, int *len) -+{ -+ int res = 0; -+ unsigned *op; -+ ip_set_id_t index = IP_SET_INVALID_ID; -+ void *data; -+ int copylen = *len; -+ -+ DP("optval=%d, user=%p, len=%d", optval, user, *len); -+ if (!capable(CAP_NET_ADMIN)) -+ return -EPERM; -+ if (optval != SO_IP_SET) -+ return -EBADF; -+ if (*len < sizeof(unsigned)) { -+ ip_set_printk("short userdata (want >=%zu, got %d)", -+ sizeof(unsigned), *len); -+ return -EINVAL; -+ } -+ data = vmalloc(*len); -+ if (!data) { -+ DP("out of mem for %d bytes", *len); -+ return -ENOMEM; -+ } -+ if (copy_from_user(data, user, *len) != 0) { -+ res = -EFAULT; -+ goto done; -+ } -+ if (down_interruptible(&ip_set_app_mutex)) { -+ res = -EINTR; -+ goto done; -+ } -+ -+ op = (unsigned *) data; -+ DP("op=%x", *op); -+ -+ if (*op < IP_SET_OP_VERSION) { -+ /* Check the version at the beginning of operations */ -+ struct ip_set_req_version *req_version = data; -+ if (req_version->version != IP_SET_PROTOCOL_VERSION) { -+ res = -EPROTO; -+ goto done; -+ } -+ } -+ -+ switch (*op) { -+ case IP_SET_OP_VERSION: { -+ struct ip_set_req_version *req_version = data; -+ -+ if (*len != sizeof(struct ip_set_req_version)) { -+ ip_set_printk("invalid VERSION (want %zu, got %d)", -+ sizeof(struct ip_set_req_version), -+ *len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ req_version->version = IP_SET_PROTOCOL_VERSION; -+ res = copy_to_user(user, req_version, -+ sizeof(struct ip_set_req_version)); -+ goto done; -+ } -+ case IP_SET_OP_GET_BYNAME: { -+ struct ip_set_req_get_set *req_get = data; -+ -+ if (*len != sizeof(struct ip_set_req_get_set)) { -+ ip_set_printk("invalid GET_BYNAME (want %zu, got %d)", -+ sizeof(struct ip_set_req_get_set), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byname(req_get->set.name); -+ req_get->set.index = index; -+ goto copy; -+ } -+ case IP_SET_OP_GET_BYINDEX: { -+ struct ip_set_req_get_set *req_get = data; -+ -+ if (*len != sizeof(struct ip_set_req_get_set)) { -+ ip_set_printk("invalid GET_BYINDEX (want %zu, got %d)", -+ sizeof(struct ip_set_req_get_set), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byindex(req_get->set.index); -+ strncpy(req_get->set.name, -+ index == IP_SET_INVALID_ID ? "" -+ : ip_set_list[index]->name, IP_SET_MAXNAMELEN); -+ goto copy; -+ } -+ case IP_SET_OP_ADT_GET: { -+ struct ip_set_req_adt_get *req_get = data; -+ -+ if (*len != sizeof(struct ip_set_req_adt_get)) { -+ ip_set_printk("invalid ADT_GET (want %zu, got %d)", -+ sizeof(struct ip_set_req_adt_get), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ index = ip_set_find_byname(req_get->set.name); -+ if (index != IP_SET_INVALID_ID) { -+ req_get->set.index = index; -+ strncpy(req_get->typename, -+ ip_set_list[index]->type->typename, -+ IP_SET_MAXNAMELEN - 1); -+ } else { -+ res = -ENOENT; -+ goto done; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_MAX_SETS: { -+ struct ip_set_req_max_sets *req_max_sets = data; -+ ip_set_id_t i; -+ -+ if (*len != sizeof(struct ip_set_req_max_sets)) { -+ ip_set_printk("invalid MAX_SETS (want %zu, got %d)", -+ sizeof(struct ip_set_req_max_sets), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ if (SETNAME_EQ(req_max_sets->set.name, IPSET_TOKEN_ALL)) { -+ req_max_sets->set.index = IP_SET_INVALID_ID; -+ } else { -+ req_max_sets->set.name[IP_SET_MAXNAMELEN - 1] = '\0'; -+ req_max_sets->set.index = -+ ip_set_find_byname(req_max_sets->set.name); -+ if (req_max_sets->set.index == IP_SET_INVALID_ID) { -+ res = -ENOENT; -+ goto done; -+ } -+ } -+ req_max_sets->max_sets = ip_set_max; -+ req_max_sets->sets = 0; -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] != NULL) -+ req_max_sets->sets++; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_LIST_SIZE: -+ case IP_SET_OP_SAVE_SIZE: { -+ struct ip_set_req_setnames *req_setnames = data; -+ struct ip_set_name_list *name_list; -+ struct ip_set *set; -+ ip_set_id_t i; -+ int used; -+ -+ if (*len < sizeof(struct ip_set_req_setnames)) { -+ ip_set_printk("short LIST_SIZE (want >=%zu, got %d)", -+ sizeof(struct ip_set_req_setnames), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ -+ req_setnames->size = 0; -+ used = sizeof(struct ip_set_req_setnames); -+ for (i = 0; i < ip_set_max; i++) { -+ if (ip_set_list[i] == NULL) -+ continue; -+ name_list = data + used; -+ used += sizeof(struct ip_set_name_list); -+ if (used > copylen) { -+ res = -EAGAIN; -+ goto done; -+ } -+ set = ip_set_list[i]; -+ /* Fill in index, name, etc. */ -+ name_list->index = i; -+ name_list->id = set->id; -+ strncpy(name_list->name, -+ set->name, -+ IP_SET_MAXNAMELEN - 1); -+ strncpy(name_list->typename, -+ set->type->typename, -+ IP_SET_MAXNAMELEN - 1); -+ DP("filled %s of type %s, index %u\n", -+ name_list->name, name_list->typename, -+ name_list->index); -+ if (!(req_setnames->index == IP_SET_INVALID_ID -+ || req_setnames->index == i)) -+ continue; -+ /* Update size */ -+ switch (*op) { -+ case IP_SET_OP_LIST_SIZE: { -+ req_setnames->size += sizeof(struct ip_set_list) -+ + set->type->header_size -+ + set->type->list_members_size(set); -+ /* Sets are identified by id in the hash */ -+ FOREACH_HASH_DO(__set_hash_bindings_size_list, -+ set->id, &req_setnames->size); -+ break; -+ } -+ case IP_SET_OP_SAVE_SIZE: { -+ req_setnames->size += sizeof(struct ip_set_save) -+ + set->type->header_size -+ + set->type->list_members_size(set); -+ FOREACH_HASH_DO(__set_hash_bindings_size_save, -+ set->id, &req_setnames->size); -+ break; -+ } -+ default: -+ break; -+ } -+ } -+ if (copylen != used) { -+ res = -EAGAIN; -+ goto done; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_LIST: { -+ struct ip_set_req_list *req_list = data; -+ ip_set_id_t i; -+ int used; -+ -+ if (*len < sizeof(struct ip_set_req_list)) { -+ ip_set_printk("short LIST (want >=%zu, got %d)", -+ sizeof(struct ip_set_req_list), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ index = req_list->index; -+ if (index != IP_SET_INVALID_ID -+ && ip_set_find_byindex(index) != index) { -+ res = -ENOENT; -+ goto done; -+ } -+ used = 0; -+ if (index == IP_SET_INVALID_ID) { -+ /* List all sets */ -+ for (i = 0; i < ip_set_max && res == 0; i++) { -+ if (ip_set_list[i] != NULL) -+ res = ip_set_list_set(i, data, &used, *len); -+ } -+ } else { -+ /* List an individual set */ -+ res = ip_set_list_set(index, data, &used, *len); -+ } -+ if (res != 0) -+ goto done; -+ else if (copylen != used) { -+ res = -EAGAIN; -+ goto done; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_SAVE: { -+ struct ip_set_req_list *req_save = data; -+ ip_set_id_t i; -+ int used; -+ -+ if (*len < sizeof(struct ip_set_req_list)) { -+ ip_set_printk("short SAVE (want >=%zu, got %d)", -+ sizeof(struct ip_set_req_list), *len); -+ res = -EINVAL; -+ goto done; -+ } -+ index = req_save->index; -+ if (index != IP_SET_INVALID_ID -+ && ip_set_find_byindex(index) != index) { -+ res = -ENOENT; -+ goto done; -+ } -+ -+#define SETLIST(set) (strcmp(set->type->typename, "setlist") == 0) -+ -+ used = 0; -+ if (index == IP_SET_INVALID_ID) { -+ /* Save all sets: ugly setlist type dependency */ -+ int setlist = 0; -+ setlists: -+ for (i = 0; i < ip_set_max && res == 0; i++) { -+ if (ip_set_list[i] != NULL -+ && !(setlist ^ SETLIST(ip_set_list[i]))) -+ res = ip_set_save_set(i, data, &used, *len); -+ } -+ if (!setlist) { -+ setlist = 1; -+ goto setlists; -+ } -+ } else { -+ /* Save an individual set */ -+ res = ip_set_save_set(index, data, &used, *len); -+ } -+ if (res == 0) -+ res = ip_set_save_bindings(index, data, &used, *len); -+ -+ if (res != 0) -+ goto done; -+ else if (copylen != used) { -+ res = -EAGAIN; -+ goto done; -+ } -+ goto copy; -+ } -+ case IP_SET_OP_RESTORE: { -+ struct ip_set_req_setnames *req_restore = data; -+ int line; -+ -+ if (*len < sizeof(struct ip_set_req_setnames) -+ || *len != req_restore->size) { -+ ip_set_printk("invalid RESTORE (want =%lu, got %d)", -+ (long unsigned)req_restore->size, *len); -+ res = -EINVAL; -+ goto done; -+ } -+ line = ip_set_restore(data + sizeof(struct ip_set_req_setnames), -+ req_restore->size - sizeof(struct ip_set_req_setnames)); -+ DP("ip_set_restore: %d", line); -+ if (line != 0) { -+ res = -EAGAIN; -+ req_restore->size = line; -+ copylen = sizeof(struct ip_set_req_setnames); -+ goto copy; -+ } -+ goto done; -+ } -+ default: -+ res = -EBADMSG; -+ goto done; -+ } /* end of switch(op) */ -+ -+ copy: -+ DP("set %s, copylen %d", index != IP_SET_INVALID_ID -+ && ip_set_list[index] -+ ? ip_set_list[index]->name -+ : ":all:", copylen); -+ res = copy_to_user(user, data, copylen); -+ -+ done: -+ up(&ip_set_app_mutex); -+ vfree(data); -+ if (res > 0) -+ res = 0; -+ DP("final result %d", res); -+ return res; -+} -+ -+static struct nf_sockopt_ops so_set = { -+ .pf = PF_INET, -+ .set_optmin = SO_IP_SET, -+ .set_optmax = SO_IP_SET + 1, -+ .set = &ip_set_sockfn_set, -+ .get_optmin = SO_IP_SET, -+ .get_optmax = SO_IP_SET + 1, -+ .get = &ip_set_sockfn_get, -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -+ .use = 0, -+#else -+ .owner = THIS_MODULE, -+#endif -+}; -+ -+static int max_sets, hash_size; -+ -+module_param(max_sets, int, 0600); -+MODULE_PARM_DESC(max_sets, "maximal number of sets"); -+module_param(hash_size, int, 0600); -+MODULE_PARM_DESC(hash_size, "hash size for bindings"); -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("module implementing core IP set support"); -+ -+static int __init ip_set_init(void) -+{ -+ int res; -+ ip_set_id_t i; -+ -+ get_random_bytes(&ip_set_hash_random, 4); -+ if (max_sets) -+ ip_set_max = max_sets; -+ ip_set_list = vmalloc(sizeof(struct ip_set *) * ip_set_max); -+ if (!ip_set_list) { -+ printk(KERN_ERR "Unable to create ip_set_list\n"); -+ return -ENOMEM; -+ } -+ memset(ip_set_list, 0, sizeof(struct ip_set *) * ip_set_max); -+ if (hash_size) -+ ip_set_bindings_hash_size = hash_size; -+ ip_set_hash = vmalloc(sizeof(struct list_head) * ip_set_bindings_hash_size); -+ if (!ip_set_hash) { -+ printk(KERN_ERR "Unable to create ip_set_hash\n"); -+ vfree(ip_set_list); -+ return -ENOMEM; -+ } -+ for (i = 0; i < ip_set_bindings_hash_size; i++) -+ INIT_LIST_HEAD(&ip_set_hash[i]); -+ -+ INIT_LIST_HEAD(&set_type_list); -+ -+ res = nf_register_sockopt(&so_set); -+ if (res != 0) { -+ ip_set_printk("SO_SET registry failed: %d", res); -+ vfree(ip_set_list); -+ vfree(ip_set_hash); -+ return res; -+ } -+ -+ return 0; -+} -+ -+static void __exit ip_set_fini(void) -+{ -+ /* There can't be any existing set or binding */ -+ nf_unregister_sockopt(&so_set); -+ vfree(ip_set_list); -+ vfree(ip_set_hash); -+ DP("these are the famous last words"); -+} -+ -+EXPORT_SYMBOL(ip_set_register_set_type); -+EXPORT_SYMBOL(ip_set_unregister_set_type); -+ -+EXPORT_SYMBOL(ip_set_get_byname); -+EXPORT_SYMBOL(ip_set_get_byindex); -+EXPORT_SYMBOL(ip_set_put_byindex); -+EXPORT_SYMBOL(ip_set_id); -+EXPORT_SYMBOL(__ip_set_get_byname); -+EXPORT_SYMBOL(__ip_set_put_byindex); -+ -+EXPORT_SYMBOL(ip_set_addip_kernel); -+EXPORT_SYMBOL(ip_set_delip_kernel); -+EXPORT_SYMBOL(ip_set_testip_kernel); -+ -+module_init(ip_set_init); -+module_exit(ip_set_fini); ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_iphash.c -@@ -0,0 +1,166 @@ -+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an ip hash set */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/random.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_iphash.h> -+ -+static int limit = MAX_RANGE; -+ -+static inline __u32 -+iphash_id(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iphash *map = set->data; -+ __u32 id; -+ u_int16_t i; -+ ip_set_ip_t *elem; -+ -+ *hash_ip = ip & map->netmask; -+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip), HIPQUAD(map->netmask)); -+ -+ for (i = 0; i < map->probes; i++) { -+ id = jhash_ip(map, i, *hash_ip) % map->hashsize; -+ DP("hash key: %u", id); -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ if (*elem == *hash_ip) -+ return id; -+ /* No shortcut - there can be deleted entries. */ -+ } -+ return UINT_MAX; -+} -+ -+static inline int -+iphash_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ return (ip && iphash_id(set, hash_ip, ip) != UINT_MAX); -+} -+ -+#define KADT_CONDITION -+ -+UADT(iphash, test) -+KADT(iphash, test, ipaddr) -+ -+static inline int -+__iphash_add(struct ip_set_iphash *map, ip_set_ip_t *ip) -+{ -+ __u32 probe; -+ u_int16_t i; -+ ip_set_ip_t *elem, *slot = NULL; -+ -+ for (i = 0; i < map->probes; i++) { -+ probe = jhash_ip(map, i, *ip) % map->hashsize; -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe); -+ if (*elem == *ip) -+ return -EEXIST; -+ if (!(slot || *elem)) -+ slot = elem; -+ /* There can be deleted entries, must check all slots */ -+ } -+ if (slot) { -+ *slot = *ip; -+ map->elements++; -+ return 0; -+ } -+ /* Trigger rehashing */ -+ return -EAGAIN; -+} -+ -+static inline int -+iphash_add(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iphash *map = set->data; -+ -+ if (!ip || map->elements >= limit) -+ return -ERANGE; -+ -+ *hash_ip = ip & map->netmask; -+ -+ return __iphash_add(map, hash_ip); -+} -+ -+UADT(iphash, add) -+KADT(iphash, add, ipaddr) -+ -+static inline void -+__iphash_retry(struct ip_set_iphash *tmp, struct ip_set_iphash *map) -+{ -+ tmp->netmask = map->netmask; -+} -+ -+HASH_RETRY(iphash, ip_set_ip_t) -+ -+static inline int -+iphash_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iphash *map = set->data; -+ ip_set_ip_t id, *elem; -+ -+ if (!ip) -+ return -ERANGE; -+ -+ id = iphash_id(set, hash_ip, ip); -+ if (id == UINT_MAX) -+ return -EEXIST; -+ -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ *elem = 0; -+ map->elements--; -+ -+ return 0; -+} -+ -+UADT(iphash, del) -+KADT(iphash, del, ipaddr) -+ -+static inline int -+__iphash_create(const struct ip_set_req_iphash_create *req, -+ struct ip_set_iphash *map) -+{ -+ map->netmask = req->netmask; -+ -+ return 0; -+} -+ -+HASH_CREATE(iphash, ip_set_ip_t) -+HASH_DESTROY(iphash) -+ -+HASH_FLUSH(iphash, ip_set_ip_t) -+ -+static inline void -+__iphash_list_header(const struct ip_set_iphash *map, -+ struct ip_set_req_iphash_create *header) -+{ -+ header->netmask = map->netmask; -+} -+ -+HASH_LIST_HEADER(iphash) -+HASH_LIST_MEMBERS_SIZE(iphash, ip_set_ip_t) -+HASH_LIST_MEMBERS(iphash, ip_set_ip_t) -+ -+IP_SET_RTYPE(iphash, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("iphash type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+REGISTER_MODULE(iphash) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_ipmap.c -@@ -0,0 +1,142 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an IP set type: the single bitmap type */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+ -+#include <linux/netfilter_ipv4/ip_set_ipmap.h> -+ -+static inline ip_set_ip_t -+ip_to_id(const struct ip_set_ipmap *map, ip_set_ip_t ip) -+{ -+ return (ip - map->first_ip)/map->hosts; -+} -+ -+static inline int -+ipmap_test(const struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ const struct ip_set_ipmap *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = ip & map->netmask; -+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ return !!test_bit(ip_to_id(map, *hash_ip), map->members); -+} -+ -+#define KADT_CONDITION -+ -+UADT(ipmap, test) -+KADT(ipmap, test, ipaddr) -+ -+static inline int -+ipmap_add(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_ipmap *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = ip & map->netmask; -+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ if (test_and_set_bit(ip_to_id(map, *hash_ip), map->members)) -+ return -EEXIST; -+ -+ return 0; -+} -+ -+UADT(ipmap, add) -+KADT(ipmap, add, ipaddr) -+ -+static inline int -+ipmap_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_ipmap *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = ip & map->netmask; -+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ if (!test_and_clear_bit(ip_to_id(map, *hash_ip), map->members)) -+ return -EEXIST; -+ -+ return 0; -+} -+ -+UADT(ipmap, del) -+KADT(ipmap, del, ipaddr) -+ -+static inline int -+__ipmap_create(const struct ip_set_req_ipmap_create *req, -+ struct ip_set_ipmap *map) -+{ -+ map->netmask = req->netmask; -+ -+ if (req->netmask == 0xFFFFFFFF) { -+ map->hosts = 1; -+ map->sizeid = map->last_ip - map->first_ip + 1; -+ } else { -+ unsigned int mask_bits, netmask_bits; -+ ip_set_ip_t mask; -+ -+ map->first_ip &= map->netmask; /* Should we better bark? */ -+ -+ mask = range_to_mask(map->first_ip, map->last_ip, &mask_bits); -+ netmask_bits = mask_to_bits(map->netmask); -+ -+ if ((!mask && (map->first_ip || map->last_ip != 0xFFFFFFFF)) -+ || netmask_bits <= mask_bits) -+ return -ENOEXEC; -+ -+ DP("mask_bits %u, netmask_bits %u", -+ mask_bits, netmask_bits); -+ map->hosts = 2 << (32 - netmask_bits - 1); -+ map->sizeid = 2 << (netmask_bits - mask_bits - 1); -+ } -+ if (map->sizeid > MAX_RANGE + 1) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ map->sizeid, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ DP("hosts %u, sizeid %u", map->hosts, map->sizeid); -+ return bitmap_bytes(0, map->sizeid - 1); -+} -+ -+BITMAP_CREATE(ipmap) -+BITMAP_DESTROY(ipmap) -+BITMAP_FLUSH(ipmap) -+ -+static inline void -+__ipmap_list_header(const struct ip_set_ipmap *map, -+ struct ip_set_req_ipmap_create *header) -+{ -+ header->netmask = map->netmask; -+} -+ -+BITMAP_LIST_HEADER(ipmap) -+BITMAP_LIST_MEMBERS_SIZE(ipmap) -+BITMAP_LIST_MEMBERS(ipmap) -+ -+IP_SET_TYPE(ipmap, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("ipmap type of IP sets"); -+ -+REGISTER_MODULE(ipmap) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_ipporthash.c -@@ -0,0 +1,203 @@ -+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an ip+port hash set */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/tcp.h> -+#include <linux/udp.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/random.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_ipporthash.h> -+#include <linux/netfilter_ipv4/ip_set_getport.h> -+ -+static int limit = MAX_RANGE; -+ -+static inline __u32 -+ipporthash_id(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port) -+{ -+ struct ip_set_ipporthash *map = set->data; -+ __u32 id; -+ u_int16_t i; -+ ip_set_ip_t *elem; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ -+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip)); -+ if (!*hash_ip) -+ return UINT_MAX; -+ -+ for (i = 0; i < map->probes; i++) { -+ id = jhash_ip(map, i, *hash_ip) % map->hashsize; -+ DP("hash key: %u", id); -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ if (*elem == *hash_ip) -+ return id; -+ /* No shortcut - there can be deleted entries. */ -+ } -+ return UINT_MAX; -+} -+ -+static inline int -+ipporthash_test(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port) -+{ -+ struct ip_set_ipporthash *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ return (ipporthash_id(set, hash_ip, ip, port) != UINT_MAX); -+} -+ -+#define KADT_CONDITION \ -+ ip_set_ip_t port; \ -+ \ -+ if (flags[index+1] == 0) \ -+ return 0; \ -+ \ -+ port = get_port(skb, flags[index+1]); \ -+ \ -+ if (port == INVALID_PORT) \ -+ return 0; -+ -+UADT(ipporthash, test, req->port) -+KADT(ipporthash, test, ipaddr, port) -+ -+static inline int -+__ipporthash_add(struct ip_set_ipporthash *map, ip_set_ip_t *ip) -+{ -+ __u32 probe; -+ u_int16_t i; -+ ip_set_ip_t *elem, *slot = NULL; -+ -+ for (i = 0; i < map->probes; i++) { -+ probe = jhash_ip(map, i, *ip) % map->hashsize; -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe); -+ if (*elem == *ip) -+ return -EEXIST; -+ if (!(slot || *elem)) -+ slot = elem; -+ /* There can be deleted entries, must check all slots */ -+ } -+ if (slot) { -+ *slot = *ip; -+ map->elements++; -+ return 0; -+ } -+ /* Trigger rehashing */ -+ return -EAGAIN; -+} -+ -+static inline int -+ipporthash_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port) -+{ -+ struct ip_set_ipporthash *map = set->data; -+ if (map->elements > limit) -+ return -ERANGE; -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ -+ if (!*hash_ip) -+ return -ERANGE; -+ -+ return __ipporthash_add(map, hash_ip); -+} -+ -+UADT(ipporthash, add, req->port) -+KADT(ipporthash, add, ipaddr, port) -+ -+static inline void -+__ipporthash_retry(struct ip_set_ipporthash *tmp, -+ struct ip_set_ipporthash *map) -+{ -+ tmp->first_ip = map->first_ip; -+ tmp->last_ip = map->last_ip; -+} -+ -+HASH_RETRY(ipporthash, ip_set_ip_t) -+ -+static inline int -+ipporthash_del(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port) -+{ -+ struct ip_set_ipporthash *map = set->data; -+ ip_set_ip_t id; -+ ip_set_ip_t *elem; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ id = ipporthash_id(set, hash_ip, ip, port); -+ -+ if (id == UINT_MAX) -+ return -EEXIST; -+ -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ *elem = 0; -+ map->elements--; -+ -+ return 0; -+} -+ -+UADT(ipporthash, del, req->port) -+KADT(ipporthash, del, ipaddr, port) -+ -+static inline int -+__ipporthash_create(const struct ip_set_req_ipporthash_create *req, -+ struct ip_set_ipporthash *map) -+{ -+ if (req->to - req->from > MAX_RANGE) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ req->to - req->from + 1, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ map->first_ip = req->from; -+ map->last_ip = req->to; -+ return 0; -+} -+ -+HASH_CREATE(ipporthash, ip_set_ip_t) -+HASH_DESTROY(ipporthash) -+HASH_FLUSH(ipporthash, ip_set_ip_t) -+ -+static inline void -+__ipporthash_list_header(const struct ip_set_ipporthash *map, -+ struct ip_set_req_ipporthash_create *header) -+{ -+ header->from = map->first_ip; -+ header->to = map->last_ip; -+} -+ -+HASH_LIST_HEADER(ipporthash) -+HASH_LIST_MEMBERS_SIZE(ipporthash, ip_set_ip_t) -+HASH_LIST_MEMBERS(ipporthash, ip_set_ip_t) -+ -+IP_SET_RTYPE(ipporthash, IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_DATA_DOUBLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("ipporthash type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+REGISTER_MODULE(ipporthash) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_ipportiphash.c -@@ -0,0 +1,216 @@ -+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an ip+port+ip hash set */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/tcp.h> -+#include <linux/udp.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/random.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_ipportiphash.h> -+#include <linux/netfilter_ipv4/ip_set_getport.h> -+ -+static int limit = MAX_RANGE; -+ -+#define jhash_ip2(map, i, ipport, ip1) \ -+ jhash_2words(ipport, ip1, *(map->initval + i)) -+ -+static inline __u32 -+ipportiphash_id(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportiphash *map = set->data; -+ __u32 id; -+ u_int16_t i; -+ struct ipportip *elem; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip)); -+ if (!(*hash_ip || ip1)) -+ return UINT_MAX; -+ -+ for (i = 0; i < map->probes; i++) { -+ id = jhash_ip2(map, i, *hash_ip, ip1) % map->hashsize; -+ DP("hash key: %u", id); -+ elem = HARRAY_ELEM(map->members, struct ipportip *, id); -+ if (elem->ip == *hash_ip && elem->ip1 == ip1) -+ return id; -+ /* No shortcut - there can be deleted entries. */ -+ } -+ return UINT_MAX; -+} -+ -+static inline int -+ipportiphash_test(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportiphash *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ return (ipportiphash_id(set, hash_ip, ip, port, ip1) != UINT_MAX); -+} -+ -+#define KADT_CONDITION \ -+ ip_set_ip_t port, ip1; \ -+ \ -+ if (flags[index+2] == 0) \ -+ return 0; \ -+ \ -+ port = get_port(skb, flags[index+1]); \ -+ ip1 = ipaddr(skb, flags[index+2]); \ -+ \ -+ if (port == INVALID_PORT) \ -+ return 0; -+ -+UADT(ipportiphash, test, req->port, req->ip1) -+KADT(ipportiphash, test, ipaddr, port, ip1) -+ -+static inline int -+__ipportip_add(struct ip_set_ipportiphash *map, -+ ip_set_ip_t hash_ip, ip_set_ip_t ip1) -+{ -+ __u32 probe; -+ u_int16_t i; -+ struct ipportip *elem, *slot = NULL; -+ -+ for (i = 0; i < map->probes; i++) { -+ probe = jhash_ip2(map, i, hash_ip, ip1) % map->hashsize; -+ elem = HARRAY_ELEM(map->members, struct ipportip *, probe); -+ if (elem->ip == hash_ip && elem->ip1 == ip1) -+ return -EEXIST; -+ if (!(slot || elem->ip || elem->ip1)) -+ slot = elem; -+ /* There can be deleted entries, must check all slots */ -+ } -+ if (slot) { -+ slot->ip = hash_ip; -+ slot->ip1 = ip1; -+ map->elements++; -+ return 0; -+ } -+ /* Trigger rehashing */ -+ return -EAGAIN; -+} -+ -+static inline int -+__ipportiphash_add(struct ip_set_ipportiphash *map, -+ struct ipportip *elem) -+{ -+ return __ipportip_add(map, elem->ip, elem->ip1); -+} -+ -+static inline int -+ipportiphash_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportiphash *map = set->data; -+ -+ if (map->elements > limit) -+ return -ERANGE; -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ if (!(*hash_ip || ip1)) -+ return -ERANGE; -+ -+ return __ipportip_add(map, *hash_ip, ip1); -+} -+ -+UADT(ipportiphash, add, req->port, req->ip1) -+KADT(ipportiphash, add, ipaddr, port, ip1) -+ -+static inline void -+__ipportiphash_retry(struct ip_set_ipportiphash *tmp, -+ struct ip_set_ipportiphash *map) -+{ -+ tmp->first_ip = map->first_ip; -+ tmp->last_ip = map->last_ip; -+} -+ -+HASH_RETRY2(ipportiphash, struct ipportip) -+ -+static inline int -+ipportiphash_del(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportiphash *map = set->data; -+ ip_set_ip_t id; -+ struct ipportip *elem; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ id = ipportiphash_id(set, hash_ip, ip, port, ip1); -+ -+ if (id == UINT_MAX) -+ return -EEXIST; -+ -+ elem = HARRAY_ELEM(map->members, struct ipportip *, id); -+ elem->ip = elem->ip1 = 0; -+ map->elements--; -+ -+ return 0; -+} -+ -+UADT(ipportiphash, del, req->port, req->ip1) -+KADT(ipportiphash, del, ipaddr, port, ip1) -+ -+static inline int -+__ipportiphash_create(const struct ip_set_req_ipportiphash_create *req, -+ struct ip_set_ipportiphash *map) -+{ -+ if (req->to - req->from > MAX_RANGE) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ req->to - req->from + 1, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ map->first_ip = req->from; -+ map->last_ip = req->to; -+ return 0; -+} -+ -+HASH_CREATE(ipportiphash, struct ipportip) -+HASH_DESTROY(ipportiphash) -+HASH_FLUSH(ipportiphash, struct ipportip) -+ -+static inline void -+__ipportiphash_list_header(const struct ip_set_ipportiphash *map, -+ struct ip_set_req_ipportiphash_create *header) -+{ -+ header->from = map->first_ip; -+ header->to = map->last_ip; -+} -+ -+HASH_LIST_HEADER(ipportiphash) -+HASH_LIST_MEMBERS_SIZE(ipportiphash, struct ipportip) -+HASH_LIST_MEMBERS_MEMCPY(ipportiphash, struct ipportip) -+ -+IP_SET_RTYPE(ipportiphash, IPSET_TYPE_IP | IPSET_TYPE_PORT -+ | IPSET_TYPE_IP1 | IPSET_DATA_TRIPLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("ipportiphash type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+REGISTER_MODULE(ipportiphash) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_ipportnethash.c -@@ -0,0 +1,304 @@ -+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an ip+port+net hash set */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/tcp.h> -+#include <linux/udp.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/random.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_ipportnethash.h> -+#include <linux/netfilter_ipv4/ip_set_getport.h> -+ -+static int limit = MAX_RANGE; -+ -+#define jhash_ip2(map, i, ipport, ip1) \ -+ jhash_2words(ipport, ip1, *(map->initval + i)) -+ -+static inline __u32 -+ipportnethash_id_cidr(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, -+ ip_set_ip_t ip1, uint8_t cidr) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ __u32 id; -+ u_int16_t i; -+ struct ipportip *elem; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip)); -+ ip1 = pack_ip_cidr(ip1, cidr); -+ if (!(*hash_ip || ip1)) -+ return UINT_MAX; -+ -+ for (i = 0; i < map->probes; i++) { -+ id = jhash_ip2(map, i, *hash_ip, ip1) % map->hashsize; -+ DP("hash key: %u", id); -+ elem = HARRAY_ELEM(map->members, struct ipportip *, id); -+ if (elem->ip == *hash_ip && elem->ip1 == ip1) -+ return id; -+ /* No shortcut - there can be deleted entries. */ -+ } -+ return UINT_MAX; -+} -+ -+static inline __u32 -+ipportnethash_id(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ __u32 id = UINT_MAX; -+ int i; -+ -+ for (i = 0; i < 30 && map->cidr[i]; i++) { -+ id = ipportnethash_id_cidr(set, hash_ip, ip, port, ip1, -+ map->cidr[i]); -+ if (id != UINT_MAX) -+ break; -+ } -+ return id; -+} -+ -+static inline int -+ipportnethash_test_cidr(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, -+ ip_set_ip_t ip1, uint8_t cidr) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ return (ipportnethash_id_cidr(set, hash_ip, ip, port, ip1, -+ cidr) != UINT_MAX); -+} -+ -+static inline int -+ipportnethash_test(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ -+ return (ipportnethash_id(set, hash_ip, ip, port, ip1) != UINT_MAX); -+} -+ -+static int -+ipportnethash_utest(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ const struct ip_set_req_ipportnethash *req = data; -+ -+ if (req->cidr <= 0 || req->cidr > 32) -+ return -EINVAL; -+ return (req->cidr == 32 -+ ? ipportnethash_test(set, hash_ip, req->ip, req->port, -+ req->ip1) -+ : ipportnethash_test_cidr(set, hash_ip, req->ip, req->port, -+ req->ip1, req->cidr)); -+} -+ -+#define KADT_CONDITION \ -+ ip_set_ip_t port, ip1; \ -+ \ -+ if (flags[index+2] == 0) \ -+ return 0; \ -+ \ -+ port = get_port(skb, flags[index+1]); \ -+ ip1 = ipaddr(skb, flags[index+2]); \ -+ \ -+ if (port == INVALID_PORT) \ -+ return 0; -+ -+KADT(ipportnethash, test, ipaddr, port, ip1) -+ -+static inline int -+__ipportnet_add(struct ip_set_ipportnethash *map, -+ ip_set_ip_t hash_ip, ip_set_ip_t ip1) -+{ -+ __u32 probe; -+ u_int16_t i; -+ struct ipportip *elem, *slot = NULL; -+ -+ for (i = 0; i < map->probes; i++) { -+ probe = jhash_ip2(map, i, hash_ip, ip1) % map->hashsize; -+ elem = HARRAY_ELEM(map->members, struct ipportip *, probe); -+ if (elem->ip == hash_ip && elem->ip1 == ip1) -+ return -EEXIST; -+ if (!(slot || elem->ip || elem->ip1)) -+ slot = elem; -+ /* There can be deleted entries, must check all slots */ -+ } -+ if (slot) { -+ slot->ip = hash_ip; -+ slot->ip1 = ip1; -+ map->elements++; -+ return 0; -+ } -+ /* Trigger rehashing */ -+ return -EAGAIN; -+} -+ -+static inline int -+__ipportnethash_add(struct ip_set_ipportnethash *map, -+ struct ipportip *elem) -+{ -+ return __ipportnet_add(map, elem->ip, elem->ip1); -+} -+ -+static inline int -+ipportnethash_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, -+ ip_set_ip_t ip1, uint8_t cidr) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ struct ipportip; -+ int ret; -+ -+ if (map->elements > limit) -+ return -ERANGE; -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ if (cidr <= 0 || cidr >= 32) -+ return -EINVAL; -+ if (map->nets[cidr-1] == UINT16_MAX) -+ return -ERANGE; -+ -+ *hash_ip = pack_ip_port(map, ip, port); -+ ip1 = pack_ip_cidr(ip1, cidr); -+ if (!(*hash_ip || ip1)) -+ return -ERANGE; -+ -+ ret =__ipportnet_add(map, *hash_ip, ip1); -+ if (ret == 0) { -+ if (!map->nets[cidr-1]++) -+ add_cidr_size(map->cidr, cidr); -+ map->elements++; -+ } -+ return ret; -+} -+ -+#undef KADT_CONDITION -+#define KADT_CONDITION \ -+ struct ip_set_ipportnethash *map = set->data; \ -+ uint8_t cidr = map->cidr[0] ? map->cidr[0] : 31; \ -+ ip_set_ip_t port, ip1; \ -+ \ -+ if (flags[index+2] == 0) \ -+ return 0; \ -+ \ -+ port = get_port(skb, flags[index+1]); \ -+ ip1 = ipaddr(skb, flags[index+2]); \ -+ \ -+ if (port == INVALID_PORT) \ -+ return 0; -+ -+UADT(ipportnethash, add, req->port, req->ip1, req->cidr) -+KADT(ipportnethash, add, ipaddr, port, ip1, cidr) -+ -+static inline void -+__ipportnethash_retry(struct ip_set_ipportnethash *tmp, -+ struct ip_set_ipportnethash *map) -+{ -+ tmp->first_ip = map->first_ip; -+ tmp->last_ip = map->last_ip; -+ memcpy(tmp->cidr, map->cidr, sizeof(tmp->cidr)); -+ memcpy(tmp->nets, map->nets, sizeof(tmp->nets)); -+} -+ -+HASH_RETRY2(ipportnethash, struct ipportip) -+ -+static inline int -+ipportnethash_del(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, ip_set_ip_t port, -+ ip_set_ip_t ip1, uint8_t cidr) -+{ -+ struct ip_set_ipportnethash *map = set->data; -+ ip_set_ip_t id; -+ struct ipportip *elem; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ if (!ip) -+ return -ERANGE; -+ if (cidr <= 0 || cidr >= 32) -+ return -EINVAL; -+ -+ id = ipportnethash_id_cidr(set, hash_ip, ip, port, ip1, cidr); -+ -+ if (id == UINT_MAX) -+ return -EEXIST; -+ -+ elem = HARRAY_ELEM(map->members, struct ipportip *, id); -+ elem->ip = elem->ip1 = 0; -+ map->elements--; -+ if (!map->nets[cidr-1]--) -+ del_cidr_size(map->cidr, cidr); -+ -+ return 0; -+} -+ -+UADT(ipportnethash, del, req->port, req->ip1, req->cidr) -+KADT(ipportnethash, del, ipaddr, port, ip1, cidr) -+ -+static inline int -+__ipportnethash_create(const struct ip_set_req_ipportnethash_create *req, -+ struct ip_set_ipportnethash *map) -+{ -+ if (req->to - req->from > MAX_RANGE) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ req->to - req->from + 1, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ map->first_ip = req->from; -+ map->last_ip = req->to; -+ memset(map->cidr, 0, sizeof(map->cidr)); -+ memset(map->nets, 0, sizeof(map->nets)); -+ return 0; -+} -+ -+HASH_CREATE(ipportnethash, struct ipportip) -+HASH_DESTROY(ipportnethash) -+HASH_FLUSH_CIDR(ipportnethash, struct ipportip); -+ -+static inline void -+__ipportnethash_list_header(const struct ip_set_ipportnethash *map, -+ struct ip_set_req_ipportnethash_create *header) -+{ -+ header->from = map->first_ip; -+ header->to = map->last_ip; -+} -+ -+HASH_LIST_HEADER(ipportnethash) -+ -+HASH_LIST_MEMBERS_SIZE(ipportnethash, struct ipportip) -+HASH_LIST_MEMBERS_MEMCPY(ipportnethash, struct ipportip) -+ -+IP_SET_RTYPE(ipportnethash, IPSET_TYPE_IP | IPSET_TYPE_PORT -+ | IPSET_TYPE_IP1 | IPSET_DATA_TRIPLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("ipportnethash type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+REGISTER_MODULE(ipportnethash) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_iptree.c -@@ -0,0 +1,466 @@ -+/* Copyright (C) 2005-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an IP set type: the iptree type */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/slab.h> -+#include <linux/delay.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/timer.h> -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+#include <linux/netfilter_ipv4/ip_set_iptree.h> -+ -+static int limit = MAX_RANGE; -+ -+/* Garbage collection interval in seconds: */ -+#define IPTREE_GC_TIME 5*60 -+/* Sleep so many milliseconds before trying again -+ * to delete the gc timer at destroying/flushing a set */ -+#define IPTREE_DESTROY_SLEEP 100 -+ -+static __KMEM_CACHE_T__ *branch_cachep; -+static __KMEM_CACHE_T__ *leaf_cachep; -+ -+ -+#if defined(__LITTLE_ENDIAN) -+#define ABCD(a,b,c,d,addrp) do { \ -+ a = ((unsigned char *)addrp)[3]; \ -+ b = ((unsigned char *)addrp)[2]; \ -+ c = ((unsigned char *)addrp)[1]; \ -+ d = ((unsigned char *)addrp)[0]; \ -+} while (0) -+#elif defined(__BIG_ENDIAN) -+#define ABCD(a,b,c,d,addrp) do { \ -+ a = ((unsigned char *)addrp)[0]; \ -+ b = ((unsigned char *)addrp)[1]; \ -+ c = ((unsigned char *)addrp)[2]; \ -+ d = ((unsigned char *)addrp)[3]; \ -+} while (0) -+#else -+#error "Please fix asm/byteorder.h" -+#endif /* __LITTLE_ENDIAN */ -+ -+#define TESTIP_WALK(map, elem, branch) do { \ -+ if ((map)->tree[elem]) { \ -+ branch = (map)->tree[elem]; \ -+ } else \ -+ return 0; \ -+} while (0) -+ -+static inline int -+iptree_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned char a,b,c,d; -+ -+ if (!ip) -+ return -ERANGE; -+ -+ *hash_ip = ip; -+ ABCD(a, b, c, d, hash_ip); -+ DP("%u %u %u %u timeout %u", a, b, c, d, map->timeout); -+ TESTIP_WALK(map, a, btree); -+ TESTIP_WALK(btree, b, ctree); -+ TESTIP_WALK(ctree, c, dtree); -+ DP("%lu %lu", dtree->expires[d], jiffies); -+ return dtree->expires[d] -+ && (!map->timeout -+ || time_after(dtree->expires[d], jiffies)); -+} -+ -+#define KADT_CONDITION -+ -+UADT(iptree, test) -+KADT(iptree, test, ipaddr) -+ -+#define ADDIP_WALK(map, elem, branch, type, cachep) do { \ -+ if ((map)->tree[elem]) { \ -+ DP("found %u", elem); \ -+ branch = (map)->tree[elem]; \ -+ } else { \ -+ branch = (type *) \ -+ kmem_cache_alloc(cachep, GFP_ATOMIC); \ -+ if (branch == NULL) \ -+ return -ENOMEM; \ -+ memset(branch, 0, sizeof(*branch)); \ -+ (map)->tree[elem] = branch; \ -+ DP("alloc %u", elem); \ -+ } \ -+} while (0) -+ -+static inline int -+iptree_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, unsigned int timeout) -+{ -+ struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned char a,b,c,d; -+ int ret = 0; -+ -+ if (!ip || map->elements >= limit) -+ /* We could call the garbage collector -+ * but it's probably overkill */ -+ return -ERANGE; -+ -+ *hash_ip = ip; -+ ABCD(a, b, c, d, hash_ip); -+ DP("%u %u %u %u timeout %u", a, b, c, d, timeout); -+ ADDIP_WALK(map, a, btree, struct ip_set_iptreeb, branch_cachep); -+ ADDIP_WALK(btree, b, ctree, struct ip_set_iptreec, branch_cachep); -+ ADDIP_WALK(ctree, c, dtree, struct ip_set_iptreed, leaf_cachep); -+ if (dtree->expires[d] -+ && (!map->timeout || time_after(dtree->expires[d], jiffies))) -+ ret = -EEXIST; -+ if (map->timeout && timeout == 0) -+ timeout = map->timeout; -+ dtree->expires[d] = map->timeout ? (timeout * HZ + jiffies) : 1; -+ /* Lottery: I won! */ -+ if (dtree->expires[d] == 0) -+ dtree->expires[d] = 1; -+ DP("%u %lu", d, dtree->expires[d]); -+ if (ret == 0) -+ map->elements++; -+ return ret; -+} -+ -+UADT(iptree, add, req->timeout) -+KADT(iptree, add, ipaddr, 0) -+ -+#define DELIP_WALK(map, elem, branch) do { \ -+ if ((map)->tree[elem]) { \ -+ branch = (map)->tree[elem]; \ -+ } else \ -+ return -EEXIST; \ -+} while (0) -+ -+static inline int -+iptree_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned char a,b,c,d; -+ -+ if (!ip) -+ return -ERANGE; -+ -+ *hash_ip = ip; -+ ABCD(a, b, c, d, hash_ip); -+ DELIP_WALK(map, a, btree); -+ DELIP_WALK(btree, b, ctree); -+ DELIP_WALK(ctree, c, dtree); -+ -+ if (dtree->expires[d]) { -+ dtree->expires[d] = 0; -+ map->elements--; -+ return 0; -+ } -+ return -EEXIST; -+} -+ -+UADT(iptree, del) -+KADT(iptree, del, ipaddr) -+ -+#define LOOP_WALK_BEGIN(map, i, branch) \ -+ for (i = 0; i < 256; i++) { \ -+ if (!(map)->tree[i]) \ -+ continue; \ -+ branch = (map)->tree[i] -+ -+#define LOOP_WALK_END } -+ -+static void -+ip_tree_gc(unsigned long ul_set) -+{ -+ struct ip_set *set = (struct ip_set *) ul_set; -+ struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned int a,b,c,d; -+ unsigned char i,j,k; -+ -+ i = j = k = 0; -+ DP("gc: %s", set->name); -+ write_lock_bh(&set->lock); -+ LOOP_WALK_BEGIN(map, a, btree); -+ LOOP_WALK_BEGIN(btree, b, ctree); -+ LOOP_WALK_BEGIN(ctree, c, dtree); -+ for (d = 0; d < 256; d++) { -+ if (dtree->expires[d]) { -+ DP("gc: %u %u %u %u: expires %lu jiffies %lu", -+ a, b, c, d, -+ dtree->expires[d], jiffies); -+ if (map->timeout -+ && time_before(dtree->expires[d], jiffies)) { -+ dtree->expires[d] = 0; -+ map->elements--; -+ } else -+ k = 1; -+ } -+ } -+ if (k == 0) { -+ DP("gc: %s: leaf %u %u %u empty", -+ set->name, a, b, c); -+ kmem_cache_free(leaf_cachep, dtree); -+ ctree->tree[c] = NULL; -+ } else { -+ DP("gc: %s: leaf %u %u %u not empty", -+ set->name, a, b, c); -+ j = 1; -+ k = 0; -+ } -+ LOOP_WALK_END; -+ if (j == 0) { -+ DP("gc: %s: branch %u %u empty", -+ set->name, a, b); -+ kmem_cache_free(branch_cachep, ctree); -+ btree->tree[b] = NULL; -+ } else { -+ DP("gc: %s: branch %u %u not empty", -+ set->name, a, b); -+ i = 1; -+ j = k = 0; -+ } -+ LOOP_WALK_END; -+ if (i == 0) { -+ DP("gc: %s: branch %u empty", -+ set->name, a); -+ kmem_cache_free(branch_cachep, btree); -+ map->tree[a] = NULL; -+ } else { -+ DP("gc: %s: branch %u not empty", -+ set->name, a); -+ i = j = k = 0; -+ } -+ LOOP_WALK_END; -+ write_unlock_bh(&set->lock); -+ -+ map->gc.expires = jiffies + map->gc_interval * HZ; -+ add_timer(&map->gc); -+} -+ -+static inline void -+init_gc_timer(struct ip_set *set) -+{ -+ struct ip_set_iptree *map = set->data; -+ -+ /* Even if there is no timeout for the entries, -+ * we still have to call gc because delete -+ * do not clean up empty branches */ -+ map->gc_interval = IPTREE_GC_TIME; -+ init_timer(&map->gc); -+ map->gc.data = (unsigned long) set; -+ map->gc.function = ip_tree_gc; -+ map->gc.expires = jiffies + map->gc_interval * HZ; -+ add_timer(&map->gc); -+} -+ -+static int -+iptree_create(struct ip_set *set, const void *data, u_int32_t size) -+{ -+ const struct ip_set_req_iptree_create *req = data; -+ struct ip_set_iptree *map; -+ -+ if (size != sizeof(struct ip_set_req_iptree_create)) { -+ ip_set_printk("data length wrong (want %zu, have %lu)", -+ sizeof(struct ip_set_req_iptree_create), -+ (unsigned long)size); -+ return -EINVAL; -+ } -+ -+ map = kmalloc(sizeof(struct ip_set_iptree), GFP_KERNEL); -+ if (!map) { -+ DP("out of memory for %zu bytes", -+ sizeof(struct ip_set_iptree)); -+ return -ENOMEM; -+ } -+ memset(map, 0, sizeof(*map)); -+ map->timeout = req->timeout; -+ map->elements = 0; -+ set->data = map; -+ -+ init_gc_timer(set); -+ -+ return 0; -+} -+ -+static inline void -+__flush(struct ip_set_iptree *map) -+{ -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned int a,b,c; -+ -+ LOOP_WALK_BEGIN(map, a, btree); -+ LOOP_WALK_BEGIN(btree, b, ctree); -+ LOOP_WALK_BEGIN(ctree, c, dtree); -+ kmem_cache_free(leaf_cachep, dtree); -+ LOOP_WALK_END; -+ kmem_cache_free(branch_cachep, ctree); -+ LOOP_WALK_END; -+ kmem_cache_free(branch_cachep, btree); -+ LOOP_WALK_END; -+ map->elements = 0; -+} -+ -+static void -+iptree_destroy(struct ip_set *set) -+{ -+ struct ip_set_iptree *map = set->data; -+ -+ /* gc might be running */ -+ while (!del_timer(&map->gc)) -+ msleep(IPTREE_DESTROY_SLEEP); -+ __flush(map); -+ kfree(map); -+ set->data = NULL; -+} -+ -+static void -+iptree_flush(struct ip_set *set) -+{ -+ struct ip_set_iptree *map = set->data; -+ unsigned int timeout = map->timeout; -+ -+ /* gc might be running */ -+ while (!del_timer(&map->gc)) -+ msleep(IPTREE_DESTROY_SLEEP); -+ __flush(map); -+ memset(map, 0, sizeof(*map)); -+ map->timeout = timeout; -+ -+ init_gc_timer(set); -+} -+ -+static void -+iptree_list_header(const struct ip_set *set, void *data) -+{ -+ const struct ip_set_iptree *map = set->data; -+ struct ip_set_req_iptree_create *header = data; -+ -+ header->timeout = map->timeout; -+} -+ -+static int -+iptree_list_members_size(const struct ip_set *set) -+{ -+ const struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned int a,b,c,d; -+ unsigned int count = 0; -+ -+ LOOP_WALK_BEGIN(map, a, btree); -+ LOOP_WALK_BEGIN(btree, b, ctree); -+ LOOP_WALK_BEGIN(ctree, c, dtree); -+ for (d = 0; d < 256; d++) { -+ if (dtree->expires[d] -+ && (!map->timeout || time_after(dtree->expires[d], jiffies))) -+ count++; -+ } -+ LOOP_WALK_END; -+ LOOP_WALK_END; -+ LOOP_WALK_END; -+ -+ DP("members %u", count); -+ return (count * sizeof(struct ip_set_req_iptree)); -+} -+ -+static void -+iptree_list_members(const struct ip_set *set, void *data) -+{ -+ const struct ip_set_iptree *map = set->data; -+ struct ip_set_iptreeb *btree; -+ struct ip_set_iptreec *ctree; -+ struct ip_set_iptreed *dtree; -+ unsigned int a,b,c,d; -+ size_t offset = 0; -+ struct ip_set_req_iptree *entry; -+ -+ LOOP_WALK_BEGIN(map, a, btree); -+ LOOP_WALK_BEGIN(btree, b, ctree); -+ LOOP_WALK_BEGIN(ctree, c, dtree); -+ for (d = 0; d < 256; d++) { -+ if (dtree->expires[d] -+ && (!map->timeout || time_after(dtree->expires[d], jiffies))) { -+ entry = data + offset; -+ entry->ip = ((a << 24) | (b << 16) | (c << 8) | d); -+ entry->timeout = !map->timeout ? 0 -+ : (dtree->expires[d] - jiffies)/HZ; -+ offset += sizeof(struct ip_set_req_iptree); -+ } -+ } -+ LOOP_WALK_END; -+ LOOP_WALK_END; -+ LOOP_WALK_END; -+} -+ -+IP_SET_TYPE(iptree, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("iptree type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+static int __init ip_set_iptree_init(void) -+{ -+ int ret; -+ -+ branch_cachep = KMEM_CACHE_CREATE("ip_set_iptreeb", -+ sizeof(struct ip_set_iptreeb)); -+ if (!branch_cachep) { -+ printk(KERN_ERR "Unable to create ip_set_iptreeb slab cache\n"); -+ ret = -ENOMEM; -+ goto out; -+ } -+ leaf_cachep = KMEM_CACHE_CREATE("ip_set_iptreed", -+ sizeof(struct ip_set_iptreed)); -+ if (!leaf_cachep) { -+ printk(KERN_ERR "Unable to create ip_set_iptreed slab cache\n"); -+ ret = -ENOMEM; -+ goto free_branch; -+ } -+ ret = ip_set_register_set_type(&ip_set_iptree); -+ if (ret == 0) -+ goto out; -+ -+ kmem_cache_destroy(leaf_cachep); -+ free_branch: -+ kmem_cache_destroy(branch_cachep); -+ out: -+ return ret; -+} -+ -+static void __exit ip_set_iptree_fini(void) -+{ -+ /* FIXME: possible race with ip_set_create() */ -+ ip_set_unregister_set_type(&ip_set_iptree); -+ kmem_cache_destroy(leaf_cachep); -+ kmem_cache_destroy(branch_cachep); -+} -+ -+module_init(ip_set_iptree_init); -+module_exit(ip_set_iptree_fini); ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_iptreemap.c -@@ -0,0 +1,708 @@ -+/* Copyright (C) 2007 Sven Wegener <sven.wegener@stealer.net> -+ * -+ * This program is free software; you can redistribute it and/or modify it -+ * under the terms of the GNU General Public License version 2 as published by -+ * the Free Software Foundation. -+ */ -+ -+/* This modules implements the iptreemap ipset type. It uses bitmaps to -+ * represent every single IPv4 address as a bit. The bitmaps are managed in a -+ * tree structure, where the first three octets of an address are used as an -+ * index to find the bitmap and the last octet is used as the bit number. -+ */ -+ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/slab.h> -+#include <linux/delay.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/timer.h> -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+#include <linux/netfilter_ipv4/ip_set_iptreemap.h> -+ -+#define IPTREEMAP_DEFAULT_GC_TIME (5 * 60) -+#define IPTREEMAP_DESTROY_SLEEP (100) -+ -+static __KMEM_CACHE_T__ *cachep_b; -+static __KMEM_CACHE_T__ *cachep_c; -+static __KMEM_CACHE_T__ *cachep_d; -+ -+static struct ip_set_iptreemap_d *fullbitmap_d; -+static struct ip_set_iptreemap_c *fullbitmap_c; -+static struct ip_set_iptreemap_b *fullbitmap_b; -+ -+#if defined(__LITTLE_ENDIAN) -+#define ABCD(a, b, c, d, addr) \ -+ do { \ -+ a = ((unsigned char *)addr)[3]; \ -+ b = ((unsigned char *)addr)[2]; \ -+ c = ((unsigned char *)addr)[1]; \ -+ d = ((unsigned char *)addr)[0]; \ -+ } while (0) -+#elif defined(__BIG_ENDIAN) -+#define ABCD(a,b,c,d,addrp) do { \ -+ a = ((unsigned char *)addrp)[0]; \ -+ b = ((unsigned char *)addrp)[1]; \ -+ c = ((unsigned char *)addrp)[2]; \ -+ d = ((unsigned char *)addrp)[3]; \ -+} while (0) -+#else -+#error "Please fix asm/byteorder.h" -+#endif /* __LITTLE_ENDIAN */ -+ -+#define TESTIP_WALK(map, elem, branch, full) \ -+ do { \ -+ branch = (map)->tree[elem]; \ -+ if (!branch) \ -+ return 0; \ -+ else if (branch == full) \ -+ return 1; \ -+ } while (0) -+ -+#define ADDIP_WALK(map, elem, branch, type, cachep, full) \ -+ do { \ -+ branch = (map)->tree[elem]; \ -+ if (!branch) { \ -+ branch = (type *) kmem_cache_alloc(cachep, GFP_ATOMIC); \ -+ if (!branch) \ -+ return -ENOMEM; \ -+ memset(branch, 0, sizeof(*branch)); \ -+ (map)->tree[elem] = branch; \ -+ } else if (branch == full) { \ -+ return -EEXIST; \ -+ } \ -+ } while (0) -+ -+#define ADDIP_RANGE_LOOP(map, a, a1, a2, hint, branch, full, cachep, free) \ -+ for (a = a1; a <= a2; a++) { \ -+ branch = (map)->tree[a]; \ -+ if (branch != full) { \ -+ if ((a > a1 && a < a2) || (hint)) { \ -+ if (branch) \ -+ free(branch); \ -+ (map)->tree[a] = full; \ -+ continue; \ -+ } else if (!branch) { \ -+ branch = kmem_cache_alloc(cachep, GFP_ATOMIC); \ -+ if (!branch) \ -+ return -ENOMEM; \ -+ memset(branch, 0, sizeof(*branch)); \ -+ (map)->tree[a] = branch; \ -+ } -+ -+#define ADDIP_RANGE_LOOP_END() \ -+ } \ -+ } -+ -+#define DELIP_WALK(map, elem, branch, cachep, full, flags) \ -+ do { \ -+ branch = (map)->tree[elem]; \ -+ if (!branch) { \ -+ return -EEXIST; \ -+ } else if (branch == full) { \ -+ branch = kmem_cache_alloc(cachep, flags); \ -+ if (!branch) \ -+ return -ENOMEM; \ -+ memcpy(branch, full, sizeof(*full)); \ -+ (map)->tree[elem] = branch; \ -+ } \ -+ } while (0) -+ -+#define DELIP_RANGE_LOOP(map, a, a1, a2, hint, branch, full, cachep, free, flags) \ -+ for (a = a1; a <= a2; a++) { \ -+ branch = (map)->tree[a]; \ -+ if (branch) { \ -+ if ((a > a1 && a < a2) || (hint)) { \ -+ if (branch != full) \ -+ free(branch); \ -+ (map)->tree[a] = NULL; \ -+ continue; \ -+ } else if (branch == full) { \ -+ branch = kmem_cache_alloc(cachep, flags); \ -+ if (!branch) \ -+ return -ENOMEM; \ -+ memcpy(branch, full, sizeof(*branch)); \ -+ (map)->tree[a] = branch; \ -+ } -+ -+#define DELIP_RANGE_LOOP_END() \ -+ } \ -+ } -+ -+#define LOOP_WALK_BEGIN(map, i, branch) \ -+ for (i = 0; i < 256; i++) { \ -+ branch = (map)->tree[i]; \ -+ if (likely(!branch)) \ -+ continue; -+ -+#define LOOP_WALK_END() \ -+ } -+ -+#define LOOP_WALK_BEGIN_GC(map, i, branch, full, cachep, count) \ -+ count = -256; \ -+ for (i = 0; i < 256; i++) { \ -+ branch = (map)->tree[i]; \ -+ if (likely(!branch)) \ -+ continue; \ -+ count++; \ -+ if (branch == full) { \ -+ count++; \ -+ continue; \ -+ } -+ -+#define LOOP_WALK_END_GC(map, i, branch, full, cachep, count) \ -+ if (-256 == count) { \ -+ kmem_cache_free(cachep, branch); \ -+ (map)->tree[i] = NULL; \ -+ } else if (256 == count) { \ -+ kmem_cache_free(cachep, branch); \ -+ (map)->tree[i] = full; \ -+ } \ -+ } -+ -+#define LOOP_WALK_BEGIN_COUNT(map, i, branch, inrange, count) \ -+ for (i = 0; i < 256; i++) { \ -+ if (!(map)->tree[i]) { \ -+ if (inrange) { \ -+ count++; \ -+ inrange = 0; \ -+ } \ -+ continue; \ -+ } \ -+ branch = (map)->tree[i]; -+ -+#define LOOP_WALK_END_COUNT() \ -+ } -+ -+#define GETVALUE1(a, a1, b1, r) \ -+ (a == a1 ? b1 : r) -+ -+#define GETVALUE2(a, b, a1, b1, c1, r) \ -+ (a == a1 && b == b1 ? c1 : r) -+ -+#define GETVALUE3(a, b, c, a1, b1, c1, d1, r) \ -+ (a == a1 && b == b1 && c == c1 ? d1 : r) -+ -+#define CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2) \ -+ ( \ -+ GETVALUE1(a, a1, b1, 0) == 0 \ -+ && GETVALUE1(a, a2, b2, 255) == 255 \ -+ && c1 == 0 \ -+ && c2 == 255 \ -+ && d1 == 0 \ -+ && d2 == 255 \ -+ ) -+ -+#define CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2) \ -+ ( \ -+ GETVALUE2(a, b, a1, b1, c1, 0) == 0 \ -+ && GETVALUE2(a, b, a2, b2, c2, 255) == 255 \ -+ && d1 == 0 \ -+ && d2 == 255 \ -+ ) -+ -+#define CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2) \ -+ ( \ -+ GETVALUE3(a, b, c, a1, b1, c1, d1, 0) == 0 \ -+ && GETVALUE3(a, b, c, a2, b2, c2, d2, 255) == 255 \ -+ ) -+ -+ -+static inline void -+free_d(struct ip_set_iptreemap_d *map) -+{ -+ kmem_cache_free(cachep_d, map); -+} -+ -+static inline void -+free_c(struct ip_set_iptreemap_c *map) -+{ -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int i; -+ -+ LOOP_WALK_BEGIN(map, i, dtree) { -+ if (dtree != fullbitmap_d) -+ free_d(dtree); -+ } LOOP_WALK_END(); -+ -+ kmem_cache_free(cachep_c, map); -+} -+ -+static inline void -+free_b(struct ip_set_iptreemap_b *map) -+{ -+ struct ip_set_iptreemap_c *ctree; -+ unsigned int i; -+ -+ LOOP_WALK_BEGIN(map, i, ctree) { -+ if (ctree != fullbitmap_c) -+ free_c(ctree); -+ } LOOP_WALK_END(); -+ -+ kmem_cache_free(cachep_b, map); -+} -+ -+static inline int -+iptreemap_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned char a, b, c, d; -+ -+ *hash_ip = ip; -+ -+ ABCD(a, b, c, d, hash_ip); -+ -+ TESTIP_WALK(map, a, btree, fullbitmap_b); -+ TESTIP_WALK(btree, b, ctree, fullbitmap_c); -+ TESTIP_WALK(ctree, c, dtree, fullbitmap_d); -+ -+ return !!test_bit(d, (void *) dtree->bitmap); -+} -+ -+#define KADT_CONDITION -+ -+UADT(iptreemap, test) -+KADT(iptreemap, test, ipaddr) -+ -+static inline int -+__addip_single(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_iptreemap *map = (struct ip_set_iptreemap *) set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned char a, b, c, d; -+ -+ *hash_ip = ip; -+ -+ ABCD(a, b, c, d, hash_ip); -+ -+ ADDIP_WALK(map, a, btree, struct ip_set_iptreemap_b, cachep_b, fullbitmap_b); -+ ADDIP_WALK(btree, b, ctree, struct ip_set_iptreemap_c, cachep_c, fullbitmap_c); -+ ADDIP_WALK(ctree, c, dtree, struct ip_set_iptreemap_d, cachep_d, fullbitmap_d); -+ -+ if (__test_and_set_bit(d, (void *) dtree->bitmap)) -+ return -EEXIST; -+ -+ __set_bit(b, (void *) btree->dirty); -+ -+ return 0; -+} -+ -+static inline int -+iptreemap_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t start, ip_set_ip_t end) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int a, b, c, d; -+ unsigned char a1, b1, c1, d1; -+ unsigned char a2, b2, c2, d2; -+ -+ if (start == end) -+ return __addip_single(set, hash_ip, start); -+ -+ *hash_ip = start; -+ -+ ABCD(a1, b1, c1, d1, &start); -+ ABCD(a2, b2, c2, d2, &end); -+ -+ /* This is sooo ugly... */ -+ ADDIP_RANGE_LOOP(map, a, a1, a2, CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2), btree, fullbitmap_b, cachep_b, free_b) { -+ ADDIP_RANGE_LOOP(btree, b, GETVALUE1(a, a1, b1, 0), GETVALUE1(a, a2, b2, 255), CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2), ctree, fullbitmap_c, cachep_c, free_c) { -+ ADDIP_RANGE_LOOP(ctree, c, GETVALUE2(a, b, a1, b1, c1, 0), GETVALUE2(a, b, a2, b2, c2, 255), CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2), dtree, fullbitmap_d, cachep_d, free_d) { -+ for (d = GETVALUE3(a, b, c, a1, b1, c1, d1, 0); d <= GETVALUE3(a, b, c, a2, b2, c2, d2, 255); d++) -+ __set_bit(d, (void *) dtree->bitmap); -+ __set_bit(b, (void *) btree->dirty); -+ } ADDIP_RANGE_LOOP_END(); -+ } ADDIP_RANGE_LOOP_END(); -+ } ADDIP_RANGE_LOOP_END(); -+ -+ return 0; -+} -+ -+UADT0(iptreemap, add, min(req->ip, req->end), max(req->ip, req->end)) -+KADT(iptreemap, add, ipaddr, ip) -+ -+static inline int -+__delip_single(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, gfp_t flags) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned char a,b,c,d; -+ -+ *hash_ip = ip; -+ -+ ABCD(a, b, c, d, hash_ip); -+ -+ DELIP_WALK(map, a, btree, cachep_b, fullbitmap_b, flags); -+ DELIP_WALK(btree, b, ctree, cachep_c, fullbitmap_c, flags); -+ DELIP_WALK(ctree, c, dtree, cachep_d, fullbitmap_d, flags); -+ -+ if (!__test_and_clear_bit(d, (void *) dtree->bitmap)) -+ return -EEXIST; -+ -+ __set_bit(b, (void *) btree->dirty); -+ -+ return 0; -+} -+ -+static inline int -+iptreemap_del(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t start, ip_set_ip_t end, gfp_t flags) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int a, b, c, d; -+ unsigned char a1, b1, c1, d1; -+ unsigned char a2, b2, c2, d2; -+ -+ if (start == end) -+ return __delip_single(set, hash_ip, start, flags); -+ -+ *hash_ip = start; -+ -+ ABCD(a1, b1, c1, d1, &start); -+ ABCD(a2, b2, c2, d2, &end); -+ -+ /* This is sooo ugly... */ -+ DELIP_RANGE_LOOP(map, a, a1, a2, CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2), btree, fullbitmap_b, cachep_b, free_b, flags) { -+ DELIP_RANGE_LOOP(btree, b, GETVALUE1(a, a1, b1, 0), GETVALUE1(a, a2, b2, 255), CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2), ctree, fullbitmap_c, cachep_c, free_c, flags) { -+ DELIP_RANGE_LOOP(ctree, c, GETVALUE2(a, b, a1, b1, c1, 0), GETVALUE2(a, b, a2, b2, c2, 255), CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2), dtree, fullbitmap_d, cachep_d, free_d, flags) { -+ for (d = GETVALUE3(a, b, c, a1, b1, c1, d1, 0); d <= GETVALUE3(a, b, c, a2, b2, c2, d2, 255); d++) -+ __clear_bit(d, (void *) dtree->bitmap); -+ __set_bit(b, (void *) btree->dirty); -+ } DELIP_RANGE_LOOP_END(); -+ } DELIP_RANGE_LOOP_END(); -+ } DELIP_RANGE_LOOP_END(); -+ -+ return 0; -+} -+ -+UADT0(iptreemap, del, min(req->ip, req->end), max(req->ip, req->end), GFP_KERNEL) -+KADT(iptreemap, del, ipaddr, ip, GFP_ATOMIC) -+ -+/* Check the status of the bitmap -+ * -1 == all bits cleared -+ * 1 == all bits set -+ * 0 == anything else -+ */ -+static inline int -+bitmap_status(struct ip_set_iptreemap_d *dtree) -+{ -+ unsigned char first = dtree->bitmap[0]; -+ int a; -+ -+ for (a = 1; a < 32; a++) -+ if (dtree->bitmap[a] != first) -+ return 0; -+ -+ return (first == 0 ? -1 : (first == 255 ? 1 : 0)); -+} -+ -+static void -+gc(unsigned long addr) -+{ -+ struct ip_set *set = (struct ip_set *) addr; -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int a, b, c; -+ int i, j, k; -+ -+ write_lock_bh(&set->lock); -+ -+ LOOP_WALK_BEGIN_GC(map, a, btree, fullbitmap_b, cachep_b, i) { -+ LOOP_WALK_BEGIN_GC(btree, b, ctree, fullbitmap_c, cachep_c, j) { -+ if (!__test_and_clear_bit(b, (void *) btree->dirty)) -+ continue; -+ LOOP_WALK_BEGIN_GC(ctree, c, dtree, fullbitmap_d, cachep_d, k) { -+ switch (bitmap_status(dtree)) { -+ case -1: -+ kmem_cache_free(cachep_d, dtree); -+ ctree->tree[c] = NULL; -+ k--; -+ break; -+ case 1: -+ kmem_cache_free(cachep_d, dtree); -+ ctree->tree[c] = fullbitmap_d; -+ k++; -+ break; -+ } -+ } LOOP_WALK_END(); -+ } LOOP_WALK_END_GC(btree, b, ctree, fullbitmap_c, cachep_c, k); -+ } LOOP_WALK_END_GC(map, a, btree, fullbitmap_b, cachep_b, j); -+ -+ write_unlock_bh(&set->lock); -+ -+ map->gc.expires = jiffies + map->gc_interval * HZ; -+ add_timer(&map->gc); -+} -+ -+static inline void -+init_gc_timer(struct ip_set *set) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ -+ init_timer(&map->gc); -+ map->gc.data = (unsigned long) set; -+ map->gc.function = gc; -+ map->gc.expires = jiffies + map->gc_interval * HZ; -+ add_timer(&map->gc); -+} -+ -+static int -+iptreemap_create(struct ip_set *set, const void *data, u_int32_t size) -+{ -+ const struct ip_set_req_iptreemap_create *req = data; -+ struct ip_set_iptreemap *map; -+ -+ map = kzalloc(sizeof(*map), GFP_KERNEL); -+ if (!map) -+ return -ENOMEM; -+ -+ map->gc_interval = req->gc_interval ? req->gc_interval : IPTREEMAP_DEFAULT_GC_TIME; -+ set->data = map; -+ -+ init_gc_timer(set); -+ -+ return 0; -+} -+ -+static inline void -+__flush(struct ip_set_iptreemap *map) -+{ -+ struct ip_set_iptreemap_b *btree; -+ unsigned int a; -+ -+ LOOP_WALK_BEGIN(map, a, btree); -+ if (btree != fullbitmap_b) -+ free_b(btree); -+ LOOP_WALK_END(); -+} -+ -+static void -+iptreemap_destroy(struct ip_set *set) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ -+ while (!del_timer(&map->gc)) -+ msleep(IPTREEMAP_DESTROY_SLEEP); -+ -+ __flush(map); -+ kfree(map); -+ -+ set->data = NULL; -+} -+ -+static void -+iptreemap_flush(struct ip_set *set) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ -+ while (!del_timer(&map->gc)) -+ msleep(IPTREEMAP_DESTROY_SLEEP); -+ -+ __flush(map); -+ -+ memset(map, 0, sizeof(*map)); -+ -+ init_gc_timer(set); -+} -+ -+static void -+iptreemap_list_header(const struct ip_set *set, void *data) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_req_iptreemap_create *header = data; -+ -+ header->gc_interval = map->gc_interval; -+} -+ -+static int -+iptreemap_list_members_size(const struct ip_set *set) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int a, b, c, d, inrange = 0, count = 0; -+ -+ LOOP_WALK_BEGIN_COUNT(map, a, btree, inrange, count) { -+ LOOP_WALK_BEGIN_COUNT(btree, b, ctree, inrange, count) { -+ LOOP_WALK_BEGIN_COUNT(ctree, c, dtree, inrange, count) { -+ for (d = 0; d < 256; d++) { -+ if (test_bit(d, (void *) dtree->bitmap)) { -+ inrange = 1; -+ } else if (inrange) { -+ count++; -+ inrange = 0; -+ } -+ } -+ } LOOP_WALK_END_COUNT(); -+ } LOOP_WALK_END_COUNT(); -+ } LOOP_WALK_END_COUNT(); -+ -+ if (inrange) -+ count++; -+ -+ return (count * sizeof(struct ip_set_req_iptreemap)); -+} -+ -+static inline u_int32_t -+add_member(void *data, size_t offset, ip_set_ip_t start, ip_set_ip_t end) -+{ -+ struct ip_set_req_iptreemap *entry = data + offset; -+ -+ entry->ip = start; -+ entry->end = end; -+ -+ return sizeof(*entry); -+} -+ -+static void -+iptreemap_list_members(const struct ip_set *set, void *data) -+{ -+ struct ip_set_iptreemap *map = set->data; -+ struct ip_set_iptreemap_b *btree; -+ struct ip_set_iptreemap_c *ctree; -+ struct ip_set_iptreemap_d *dtree; -+ unsigned int a, b, c, d, inrange = 0; -+ size_t offset = 0; -+ ip_set_ip_t start = 0, end = 0, ip; -+ -+ LOOP_WALK_BEGIN(map, a, btree) { -+ LOOP_WALK_BEGIN(btree, b, ctree) { -+ LOOP_WALK_BEGIN(ctree, c, dtree) { -+ for (d = 0; d < 256; d++) { -+ if (test_bit(d, (void *) dtree->bitmap)) { -+ ip = ((a << 24) | (b << 16) | (c << 8) | d); -+ if (!inrange) { -+ inrange = 1; -+ start = ip; -+ } else if (end < ip - 1) { -+ offset += add_member(data, offset, start, end); -+ start = ip; -+ } -+ end = ip; -+ } else if (inrange) { -+ offset += add_member(data, offset, start, end); -+ inrange = 0; -+ } -+ } -+ } LOOP_WALK_END(); -+ } LOOP_WALK_END(); -+ } LOOP_WALK_END(); -+ -+ if (inrange) -+ add_member(data, offset, start, end); -+} -+ -+IP_SET_TYPE(iptreemap, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Sven Wegener <sven.wegener@stealer.net>"); -+MODULE_DESCRIPTION("iptreemap type of IP sets"); -+ -+static int __init ip_set_iptreemap_init(void) -+{ -+ int ret = -ENOMEM; -+ int a; -+ -+ cachep_b = KMEM_CACHE_CREATE("ip_set_iptreemap_b", -+ sizeof(struct ip_set_iptreemap_b)); -+ if (!cachep_b) { -+ ip_set_printk("Unable to create ip_set_iptreemap_b slab cache"); -+ goto out; -+ } -+ -+ cachep_c = KMEM_CACHE_CREATE("ip_set_iptreemap_c", -+ sizeof(struct ip_set_iptreemap_c)); -+ if (!cachep_c) { -+ ip_set_printk("Unable to create ip_set_iptreemap_c slab cache"); -+ goto outb; -+ } -+ -+ cachep_d = KMEM_CACHE_CREATE("ip_set_iptreemap_d", -+ sizeof(struct ip_set_iptreemap_d)); -+ if (!cachep_d) { -+ ip_set_printk("Unable to create ip_set_iptreemap_d slab cache"); -+ goto outc; -+ } -+ -+ fullbitmap_d = kmem_cache_alloc(cachep_d, GFP_KERNEL); -+ if (!fullbitmap_d) -+ goto outd; -+ -+ fullbitmap_c = kmem_cache_alloc(cachep_c, GFP_KERNEL); -+ if (!fullbitmap_c) -+ goto outbitmapd; -+ -+ fullbitmap_b = kmem_cache_alloc(cachep_b, GFP_KERNEL); -+ if (!fullbitmap_b) -+ goto outbitmapc; -+ -+ ret = ip_set_register_set_type(&ip_set_iptreemap); -+ if (0 > ret) -+ goto outbitmapb; -+ -+ /* Now init our global bitmaps */ -+ memset(fullbitmap_d->bitmap, 0xff, sizeof(fullbitmap_d->bitmap)); -+ -+ for (a = 0; a < 256; a++) -+ fullbitmap_c->tree[a] = fullbitmap_d; -+ -+ for (a = 0; a < 256; a++) -+ fullbitmap_b->tree[a] = fullbitmap_c; -+ memset(fullbitmap_b->dirty, 0, sizeof(fullbitmap_b->dirty)); -+ -+ return 0; -+ -+outbitmapb: -+ kmem_cache_free(cachep_b, fullbitmap_b); -+outbitmapc: -+ kmem_cache_free(cachep_c, fullbitmap_c); -+outbitmapd: -+ kmem_cache_free(cachep_d, fullbitmap_d); -+outd: -+ kmem_cache_destroy(cachep_d); -+outc: -+ kmem_cache_destroy(cachep_c); -+outb: -+ kmem_cache_destroy(cachep_b); -+out: -+ -+ return ret; -+} -+ -+static void __exit ip_set_iptreemap_fini(void) -+{ -+ ip_set_unregister_set_type(&ip_set_iptreemap); -+ kmem_cache_free(cachep_d, fullbitmap_d); -+ kmem_cache_free(cachep_c, fullbitmap_c); -+ kmem_cache_free(cachep_b, fullbitmap_b); -+ kmem_cache_destroy(cachep_d); -+ kmem_cache_destroy(cachep_c); -+ kmem_cache_destroy(cachep_b); -+} -+ -+module_init(ip_set_iptreemap_init); -+module_exit(ip_set_iptreemap_fini); ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_macipmap.c -@@ -0,0 +1,164 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Martin Josefsson <gandalf@wlug.westbo.se> -+ * Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an IP set type: the macipmap type */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/if_ether.h> -+ -+#include <linux/netfilter_ipv4/ip_set_macipmap.h> -+ -+static int -+macipmap_utest(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ const struct ip_set_macipmap *map = set->data; -+ const struct ip_set_macip *table = map->members; -+ const struct ip_set_req_macipmap *req = data; -+ -+ if (req->ip < map->first_ip || req->ip > map->last_ip) -+ return -ERANGE; -+ -+ *hash_ip = req->ip; -+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(req->ip), HIPQUAD(*hash_ip)); -+ if (table[req->ip - map->first_ip].match) { -+ return (memcmp(req->ethernet, -+ &table[req->ip - map->first_ip].ethernet, -+ ETH_ALEN) == 0); -+ } else { -+ return (map->flags & IPSET_MACIP_MATCHUNSET ? 1 : 0); -+ } -+} -+ -+static int -+macipmap_ktest(struct ip_set *set, -+ const struct sk_buff *skb, -+ ip_set_ip_t *hash_ip, -+ const u_int32_t *flags, -+ unsigned char index) -+{ -+ const struct ip_set_macipmap *map = set->data; -+ const struct ip_set_macip *table = map->members; -+ ip_set_ip_t ip; -+ -+ ip = ipaddr(skb, flags[index]); -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return 0; -+ -+ *hash_ip = ip; -+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u", -+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ if (table[ip - map->first_ip].match) { -+ /* Is mac pointer valid? -+ * If so, compare... */ -+ return (skb_mac_header(skb) >= skb->head -+ && (skb_mac_header(skb) + ETH_HLEN) <= skb->data -+ && (memcmp(eth_hdr(skb)->h_source, -+ &table[ip - map->first_ip].ethernet, -+ ETH_ALEN) == 0)); -+ } else { -+ return (map->flags & IPSET_MACIP_MATCHUNSET ? 1 : 0); -+ } -+} -+ -+/* returns 0 on success */ -+static inline int -+macipmap_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, const unsigned char *ethernet) -+{ -+ struct ip_set_macipmap *map = set->data; -+ struct ip_set_macip *table = map->members; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ if (table[ip - map->first_ip].match) -+ return -EEXIST; -+ -+ *hash_ip = ip; -+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ memcpy(&table[ip - map->first_ip].ethernet, ethernet, ETH_ALEN); -+ table[ip - map->first_ip].match = IPSET_MACIP_ISSET; -+ return 0; -+} -+ -+#define KADT_CONDITION \ -+ if (!(skb_mac_header(skb) >= skb->head \ -+ && (skb_mac_header(skb) + ETH_HLEN) <= skb->data))\ -+ return -EINVAL; -+ -+UADT(macipmap, add, req->ethernet) -+KADT(macipmap, add, ipaddr, eth_hdr(skb)->h_source) -+ -+static inline int -+macipmap_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ struct ip_set_macipmap *map = set->data; -+ struct ip_set_macip *table = map->members; -+ -+ if (ip < map->first_ip || ip > map->last_ip) -+ return -ERANGE; -+ if (!table[ip - map->first_ip].match) -+ return -EEXIST; -+ -+ *hash_ip = ip; -+ table[ip - map->first_ip].match = 0; -+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip)); -+ return 0; -+} -+ -+#undef KADT_CONDITION -+#define KADT_CONDITION -+ -+UADT(macipmap, del) -+KADT(macipmap, del, ipaddr) -+ -+static inline int -+__macipmap_create(const struct ip_set_req_macipmap_create *req, -+ struct ip_set_macipmap *map) -+{ -+ if (req->to - req->from > MAX_RANGE) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ req->to - req->from + 1, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ map->flags = req->flags; -+ return (req->to - req->from + 1) * sizeof(struct ip_set_macip); -+} -+ -+BITMAP_CREATE(macipmap) -+BITMAP_DESTROY(macipmap) -+BITMAP_FLUSH(macipmap) -+ -+static inline void -+__macipmap_list_header(const struct ip_set_macipmap *map, -+ struct ip_set_req_macipmap_create *header) -+{ -+ header->flags = map->flags; -+} -+ -+BITMAP_LIST_HEADER(macipmap) -+BITMAP_LIST_MEMBERS_SIZE(macipmap) -+BITMAP_LIST_MEMBERS(macipmap) -+ -+IP_SET_TYPE(macipmap, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("macipmap type of IP sets"); -+ -+REGISTER_MODULE(macipmap) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_nethash.c -@@ -0,0 +1,225 @@ -+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing a cidr nethash set */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_set_jhash.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+#include <linux/random.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_nethash.h> -+ -+static int limit = MAX_RANGE; -+ -+static inline __u32 -+nethash_id_cidr(const struct ip_set_nethash *map, -+ ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, -+ uint8_t cidr) -+{ -+ __u32 id; -+ u_int16_t i; -+ ip_set_ip_t *elem; -+ -+ *hash_ip = pack_ip_cidr(ip, cidr); -+ if (!*hash_ip) -+ return MAX_RANGE; -+ -+ for (i = 0; i < map->probes; i++) { -+ id = jhash_ip(map, i, *hash_ip) % map->hashsize; -+ DP("hash key: %u", id); -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ if (*elem == *hash_ip) -+ return id; -+ /* No shortcut - there can be deleted entries. */ -+ } -+ return UINT_MAX; -+} -+ -+static inline __u32 -+nethash_id(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ const struct ip_set_nethash *map = set->data; -+ __u32 id = UINT_MAX; -+ int i; -+ -+ for (i = 0; i < 30 && map->cidr[i]; i++) { -+ id = nethash_id_cidr(map, hash_ip, ip, map->cidr[i]); -+ if (id != UINT_MAX) -+ break; -+ } -+ return id; -+} -+ -+static inline int -+nethash_test_cidr(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, uint8_t cidr) -+{ -+ const struct ip_set_nethash *map = set->data; -+ -+ return (nethash_id_cidr(map, hash_ip, ip, cidr) != UINT_MAX); -+} -+ -+static inline int -+nethash_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip) -+{ -+ return (nethash_id(set, hash_ip, ip) != UINT_MAX); -+} -+ -+static int -+nethash_utest(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ const struct ip_set_req_nethash *req = data; -+ -+ if (req->cidr <= 0 || req->cidr > 32) -+ return -EINVAL; -+ return (req->cidr == 32 ? nethash_test(set, hash_ip, req->ip) -+ : nethash_test_cidr(set, hash_ip, req->ip, req->cidr)); -+} -+ -+#define KADT_CONDITION -+ -+KADT(nethash, test, ipaddr) -+ -+static inline int -+__nethash_add(struct ip_set_nethash *map, ip_set_ip_t *ip) -+{ -+ __u32 probe; -+ u_int16_t i; -+ ip_set_ip_t *elem, *slot = NULL; -+ -+ for (i = 0; i < map->probes; i++) { -+ probe = jhash_ip(map, i, *ip) % map->hashsize; -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe); -+ if (*elem == *ip) -+ return -EEXIST; -+ if (!(slot || *elem)) -+ slot = elem; -+ /* There can be deleted entries, must check all slots */ -+ } -+ if (slot) { -+ *slot = *ip; -+ map->elements++; -+ return 0; -+ } -+ /* Trigger rehashing */ -+ return -EAGAIN; -+} -+ -+static inline int -+nethash_add(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, uint8_t cidr) -+{ -+ struct ip_set_nethash *map = set->data; -+ int ret; -+ -+ if (map->elements >= limit || map->nets[cidr-1] == UINT16_MAX) -+ return -ERANGE; -+ if (cidr <= 0 || cidr >= 32) -+ return -EINVAL; -+ -+ *hash_ip = pack_ip_cidr(ip, cidr); -+ DP("%u.%u.%u.%u/%u, %u.%u.%u.%u", HIPQUAD(ip), cidr, HIPQUAD(*hash_ip)); -+ if (!*hash_ip) -+ return -ERANGE; -+ -+ ret = __nethash_add(map, hash_ip); -+ if (ret == 0) { -+ if (!map->nets[cidr-1]++) -+ add_cidr_size(map->cidr, cidr); -+ map->elements++; -+ } -+ -+ return ret; -+} -+ -+#undef KADT_CONDITION -+#define KADT_CONDITION \ -+ struct ip_set_nethash *map = set->data; \ -+ uint8_t cidr = map->cidr[0] ? map->cidr[0] : 31; -+ -+UADT(nethash, add, req->cidr) -+KADT(nethash, add, ipaddr, cidr) -+ -+static inline void -+__nethash_retry(struct ip_set_nethash *tmp, struct ip_set_nethash *map) -+{ -+ memcpy(tmp->cidr, map->cidr, sizeof(tmp->cidr)); -+ memcpy(tmp->nets, map->nets, sizeof(tmp->nets)); -+} -+ -+HASH_RETRY(nethash, ip_set_ip_t) -+ -+static inline int -+nethash_del(struct ip_set *set, ip_set_ip_t *hash_ip, -+ ip_set_ip_t ip, uint8_t cidr) -+{ -+ struct ip_set_nethash *map = set->data; -+ ip_set_ip_t id, *elem; -+ -+ if (cidr <= 0 || cidr >= 32) -+ return -EINVAL; -+ -+ id = nethash_id_cidr(map, hash_ip, ip, cidr); -+ if (id == UINT_MAX) -+ return -EEXIST; -+ -+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id); -+ *elem = 0; -+ map->elements--; -+ if (!map->nets[cidr-1]--) -+ del_cidr_size(map->cidr, cidr); -+ return 0; -+} -+ -+UADT(nethash, del, req->cidr) -+KADT(nethash, del, ipaddr, cidr) -+ -+static inline int -+__nethash_create(const struct ip_set_req_nethash_create *req, -+ struct ip_set_nethash *map) -+{ -+ memset(map->cidr, 0, sizeof(map->cidr)); -+ memset(map->nets, 0, sizeof(map->nets)); -+ -+ return 0; -+} -+ -+HASH_CREATE(nethash, ip_set_ip_t) -+HASH_DESTROY(nethash) -+ -+HASH_FLUSH_CIDR(nethash, ip_set_ip_t) -+ -+static inline void -+__nethash_list_header(const struct ip_set_nethash *map, -+ struct ip_set_req_nethash_create *header) -+{ -+} -+ -+HASH_LIST_HEADER(nethash) -+HASH_LIST_MEMBERS_SIZE(nethash, ip_set_ip_t) -+HASH_LIST_MEMBERS(nethash, ip_set_ip_t) -+ -+IP_SET_RTYPE(nethash, IPSET_TYPE_IP | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("nethash type of IP sets"); -+module_param(limit, int, 0600); -+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets"); -+ -+REGISTER_MODULE(nethash) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_portmap.c -@@ -0,0 +1,114 @@ -+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing a port set type as a bitmap */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/tcp.h> -+#include <linux/udp.h> -+#include <linux/skbuff.h> -+#include <linux/errno.h> -+#include <asm/uaccess.h> -+#include <asm/bitops.h> -+#include <linux/spinlock.h> -+ -+#include <net/ip.h> -+ -+#include <linux/netfilter_ipv4/ip_set_portmap.h> -+#include <linux/netfilter_ipv4/ip_set_getport.h> -+ -+static inline int -+portmap_test(const struct ip_set *set, ip_set_ip_t *hash_port, -+ ip_set_ip_t port) -+{ -+ const struct ip_set_portmap *map = set->data; -+ -+ if (port < map->first_ip || port > map->last_ip) -+ return -ERANGE; -+ -+ *hash_port = port; -+ DP("set: %s, port:%u, %u", set->name, port, *hash_port); -+ return !!test_bit(port - map->first_ip, map->members); -+} -+ -+#define KADT_CONDITION \ -+ if (ip == INVALID_PORT) \ -+ return 0; -+ -+UADT(portmap, test) -+KADT(portmap, test, get_port) -+ -+static inline int -+portmap_add(struct ip_set *set, ip_set_ip_t *hash_port, ip_set_ip_t port) -+{ -+ struct ip_set_portmap *map = set->data; -+ -+ if (port < map->first_ip || port > map->last_ip) -+ return -ERANGE; -+ if (test_and_set_bit(port - map->first_ip, map->members)) -+ return -EEXIST; -+ -+ *hash_port = port; -+ DP("port %u", port); -+ return 0; -+} -+ -+UADT(portmap, add) -+KADT(portmap, add, get_port) -+ -+static inline int -+portmap_del(struct ip_set *set, ip_set_ip_t *hash_port, ip_set_ip_t port) -+{ -+ struct ip_set_portmap *map = set->data; -+ -+ if (port < map->first_ip || port > map->last_ip) -+ return -ERANGE; -+ if (!test_and_clear_bit(port - map->first_ip, map->members)) -+ return -EEXIST; -+ -+ *hash_port = port; -+ DP("port %u", port); -+ return 0; -+} -+ -+UADT(portmap, del) -+KADT(portmap, del, get_port) -+ -+static inline int -+__portmap_create(const struct ip_set_req_portmap_create *req, -+ struct ip_set_portmap *map) -+{ -+ if (req->to - req->from > MAX_RANGE) { -+ ip_set_printk("range too big, %d elements (max %d)", -+ req->to - req->from + 1, MAX_RANGE+1); -+ return -ENOEXEC; -+ } -+ return bitmap_bytes(req->from, req->to); -+} -+ -+BITMAP_CREATE(portmap) -+BITMAP_DESTROY(portmap) -+BITMAP_FLUSH(portmap) -+ -+static inline void -+__portmap_list_header(const struct ip_set_portmap *map, -+ struct ip_set_req_portmap_create *header) -+{ -+} -+ -+BITMAP_LIST_HEADER(portmap) -+BITMAP_LIST_MEMBERS_SIZE(portmap) -+BITMAP_LIST_MEMBERS(portmap) -+ -+IP_SET_TYPE(portmap, IPSET_TYPE_PORT | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("portmap type of IP sets"); -+ -+REGISTER_MODULE(portmap) ---- /dev/null -+++ b/net/ipv4/netfilter/ip_set_setlist.c -@@ -0,0 +1,330 @@ -+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module implementing an IP set type: the setlist type */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/errno.h> -+ -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ip_set_bitmaps.h> -+#include <linux/netfilter_ipv4/ip_set_setlist.h> -+ -+/* -+ * before ==> index, ref -+ * after ==> ref, index -+ */ -+ -+static inline int -+next_index_eq(const struct ip_set_setlist *map, int i, ip_set_id_t index) -+{ -+ return i < map->size && map->index[i] == index; -+} -+ -+static int -+setlist_utest(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ const struct ip_set_setlist *map = set->data; -+ const struct ip_set_req_setlist *req = data; -+ ip_set_id_t index, ref = IP_SET_INVALID_ID; -+ int i, res = 0; -+ struct ip_set *s; -+ -+ if (req->before && req->ref[0] == '\0') -+ return 0; -+ -+ index = __ip_set_get_byname(req->name, &s); -+ if (index == IP_SET_INVALID_ID) -+ return 0; -+ if (req->ref[0] != '\0') { -+ ref = __ip_set_get_byname(req->ref, &s); -+ if (ref == IP_SET_INVALID_ID) -+ goto finish; -+ } -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID; i++) { -+ if (req->before && map->index[i] == index) { -+ res = next_index_eq(map, i + 1, ref); -+ break; -+ } else if (!req->before) { -+ if ((ref == IP_SET_INVALID_ID -+ && map->index[i] == index) -+ || (map->index[i] == ref -+ && next_index_eq(map, i + 1, index))) { -+ res = 1; -+ break; -+ } -+ } -+ } -+ if (ref != IP_SET_INVALID_ID) -+ __ip_set_put_byindex(ref); -+finish: -+ __ip_set_put_byindex(index); -+ return res; -+} -+ -+static int -+setlist_ktest(struct ip_set *set, -+ const struct sk_buff *skb, -+ ip_set_ip_t *hash_ip, -+ const u_int32_t *flags, -+ unsigned char index) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i, res = 0; -+ -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID -+ && res == 0; i++) -+ res = ip_set_testip_kernel(map->index[i], skb, flags); -+ return res; -+} -+ -+static inline int -+insert_setlist(struct ip_set_setlist *map, int i, ip_set_id_t index) -+{ -+ ip_set_id_t tmp; -+ int j; -+ -+ DP("i: %u, last %u\n", i, map->index[map->size - 1]); -+ if (i >= map->size || map->index[map->size - 1] != IP_SET_INVALID_ID) -+ return -ERANGE; -+ -+ for (j = i; j < map->size -+ && index != IP_SET_INVALID_ID; j++) { -+ tmp = map->index[j]; -+ map->index[j] = index; -+ index = tmp; -+ } -+ return 0; -+} -+ -+static int -+setlist_uadd(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_setlist *map = set->data; -+ const struct ip_set_req_setlist *req = data; -+ ip_set_id_t index, ref = IP_SET_INVALID_ID; -+ int i, res = -ERANGE; -+ struct ip_set *s; -+ -+ if (req->before && req->ref[0] == '\0') -+ return -EINVAL; -+ -+ index = __ip_set_get_byname(req->name, &s); -+ if (index == IP_SET_INVALID_ID) -+ return -EEXIST; -+ /* "Loop detection" */ -+ if (strcmp(s->type->typename, "setlist") == 0) -+ goto finish; -+ -+ if (req->ref[0] != '\0') { -+ ref = __ip_set_get_byname(req->ref, &s); -+ if (ref == IP_SET_INVALID_ID) { -+ res = -EEXIST; -+ goto finish; -+ } -+ } -+ for (i = 0; i < map->size; i++) { -+ if (map->index[i] != ref) -+ continue; -+ if (req->before) -+ res = insert_setlist(map, i, index); -+ else -+ res = insert_setlist(map, -+ ref == IP_SET_INVALID_ID ? i : i + 1, -+ index); -+ break; -+ } -+ if (ref != IP_SET_INVALID_ID) -+ __ip_set_put_byindex(ref); -+ /* In case of success, we keep the reference to the set */ -+finish: -+ if (res != 0) -+ __ip_set_put_byindex(index); -+ return res; -+} -+ -+static int -+setlist_kadd(struct ip_set *set, -+ const struct sk_buff *skb, -+ ip_set_ip_t *hash_ip, -+ const u_int32_t *flags, -+ unsigned char index) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i, res = -EINVAL; -+ -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID -+ && res != 0; i++) -+ res = ip_set_addip_kernel(map->index[i], skb, flags); -+ return res; -+} -+ -+static inline int -+unshift_setlist(struct ip_set_setlist *map, int i) -+{ -+ int j; -+ -+ for (j = i; j < map->size - 1; j++) -+ map->index[j] = map->index[j+1]; -+ map->index[map->size-1] = IP_SET_INVALID_ID; -+ return 0; -+} -+ -+static int -+setlist_udel(struct ip_set *set, const void *data, u_int32_t size, -+ ip_set_ip_t *hash_ip) -+{ -+ struct ip_set_setlist *map = set->data; -+ const struct ip_set_req_setlist *req = data; -+ ip_set_id_t index, ref = IP_SET_INVALID_ID; -+ int i, res = -EEXIST; -+ struct ip_set *s; -+ -+ if (req->before && req->ref[0] == '\0') -+ return -EINVAL; -+ -+ index = __ip_set_get_byname(req->name, &s); -+ if (index == IP_SET_INVALID_ID) -+ return -EEXIST; -+ if (req->ref[0] != '\0') { -+ ref = __ip_set_get_byname(req->ref, &s); -+ if (ref == IP_SET_INVALID_ID) -+ goto finish; -+ } -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID; i++) { -+ if (req->before) { -+ if (map->index[i] == index -+ && next_index_eq(map, i + 1, ref)) { -+ res = unshift_setlist(map, i); -+ break; -+ } -+ } else if (ref == IP_SET_INVALID_ID) { -+ if (map->index[i] == index) { -+ res = unshift_setlist(map, i); -+ break; -+ } -+ } else if (map->index[i] == ref -+ && next_index_eq(map, i + 1, index)) { -+ res = unshift_setlist(map, i + 1); -+ break; -+ } -+ } -+ if (ref != IP_SET_INVALID_ID) -+ __ip_set_put_byindex(ref); -+finish: -+ __ip_set_put_byindex(index); -+ /* In case of success, release the reference to the set */ -+ if (res == 0) -+ __ip_set_put_byindex(index); -+ return res; -+} -+ -+static int -+setlist_kdel(struct ip_set *set, -+ const struct sk_buff *skb, -+ ip_set_ip_t *hash_ip, -+ const u_int32_t *flags, -+ unsigned char index) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i, res = -EINVAL; -+ -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID -+ && res != 0; i++) -+ res = ip_set_delip_kernel(map->index[i], skb, flags); -+ return res; -+} -+ -+static int -+setlist_create(struct ip_set *set, const void *data, u_int32_t size) -+{ -+ struct ip_set_setlist *map; -+ const struct ip_set_req_setlist_create *req = data; -+ int i; -+ -+ map = kmalloc(sizeof(struct ip_set_setlist) + -+ req->size * sizeof(ip_set_id_t), GFP_KERNEL); -+ if (!map) -+ return -ENOMEM; -+ map->size = req->size; -+ for (i = 0; i < map->size; i++) -+ map->index[i] = IP_SET_INVALID_ID; -+ -+ set->data = map; -+ return 0; -+} -+ -+static void -+setlist_destroy(struct ip_set *set) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i; -+ -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID; i++) -+ __ip_set_put_byindex(map->index[i]); -+ -+ kfree(map); -+ set->data = NULL; -+} -+ -+static void -+setlist_flush(struct ip_set *set) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i; -+ -+ for (i = 0; i < map->size -+ && map->index[i] != IP_SET_INVALID_ID; i++) { -+ __ip_set_put_byindex(map->index[i]); -+ map->index[i] = IP_SET_INVALID_ID; -+ } -+} -+ -+static void -+setlist_list_header(const struct ip_set *set, void *data) -+{ -+ const struct ip_set_setlist *map = set->data; -+ struct ip_set_req_setlist_create *header = data; -+ -+ header->size = map->size; -+} -+ -+static int -+setlist_list_members_size(const struct ip_set *set) -+{ -+ const struct ip_set_setlist *map = set->data; -+ -+ return map->size * sizeof(ip_set_id_t); -+} -+ -+static void -+setlist_list_members(const struct ip_set *set, void *data) -+{ -+ struct ip_set_setlist *map = set->data; -+ int i; -+ -+ for (i = 0; i < map->size; i++) -+ *((ip_set_id_t *)data + i) = ip_set_id(map->index[i]); -+} -+ -+IP_SET_TYPE(setlist, IPSET_TYPE_SETNAME | IPSET_DATA_SINGLE) -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("setlist type of IP sets"); -+ -+REGISTER_MODULE(setlist) ---- /dev/null -+++ b/net/ipv4/netfilter/ipt_set.c -@@ -0,0 +1,238 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Martin Josefsson <gandalf@wlug.westbo.se> -+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Kernel module to match an IP set. */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/version.h> -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) -+#include <linux/netfilter_ipv4/ip_tables.h> -+#define xt_register_match ipt_register_match -+#define xt_unregister_match ipt_unregister_match -+#define xt_match ipt_match -+#else -+#include <linux/netfilter/x_tables.h> -+#endif -+#include <linux/netfilter_ipv4/ip_set.h> -+#include <linux/netfilter_ipv4/ipt_set.h> -+ -+static inline int -+match_set(const struct ipt_set_info *info, -+ const struct sk_buff *skb, -+ int inv) -+{ -+ if (ip_set_testip_kernel(info->index, skb, info->flags)) -+ inv = !inv; -+ return inv; -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) -+static int -+match(const struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ const void *matchinfo, -+ int offset, -+ const void *hdr, -+ u_int16_t datalen, -+ int *hotdrop) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) -+static int -+match(const struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ const void *matchinfo, -+ int offset, -+ int *hotdrop) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static int -+match(const struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ const void *matchinfo, -+ int offset, -+ unsigned int protoff, -+ int *hotdrop) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -+static int -+match(const struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ const struct xt_match *match, -+ const void *matchinfo, -+ int offset, -+ unsigned int protoff, -+ int *hotdrop) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+static bool -+match(const struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ const struct xt_match *match, -+ const void *matchinfo, -+ int offset, -+ unsigned int protoff, -+ bool *hotdrop) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+static bool -+match(const struct sk_buff *skb, -+ const struct xt_match_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ const struct ipt_set_info_match *info = matchinfo; -+#else -+ const struct ipt_set_info_match *info = par->matchinfo; -+#endif -+ -+ return match_set(&info->match_set, -+ skb, -+ info->match_set.flags[0] & IPSET_MATCH_INV); -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) -+static int -+checkentry(const char *tablename, -+ const struct ipt_ip *ip, -+ void *matchinfo, -+ unsigned int matchsize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static int -+checkentry(const char *tablename, -+ const void *inf, -+ void *matchinfo, -+ unsigned int matchsize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+static int -+checkentry(const char *tablename, -+ const void *inf, -+ const struct xt_match *match, -+ void *matchinfo, -+ unsigned int matchsize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -+static int -+checkentry(const char *tablename, -+ const void *inf, -+ const struct xt_match *match, -+ void *matchinfo, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+static bool -+checkentry(const char *tablename, -+ const void *inf, -+ const struct xt_match *match, -+ void *matchinfo, -+ unsigned int hook_mask) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+static bool -+checkentry(const struct xt_mtchk_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ struct ipt_set_info_match *info = matchinfo; -+#else -+ struct ipt_set_info_match *info = par->matchinfo; -+#endif -+ ip_set_id_t index; -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+ if (matchsize != IPT_ALIGN(sizeof(struct ipt_set_info_match))) { -+ ip_set_printk("invalid matchsize %d", matchsize); -+ return 0; -+ } -+#endif -+ -+ index = ip_set_get_byindex(info->match_set.index); -+ -+ if (index == IP_SET_INVALID_ID) { -+ ip_set_printk("Cannot find set indentified by id %u to match", -+ info->match_set.index); -+ return 0; /* error */ -+ } -+ if (info->match_set.flags[IP_SET_MAX_BINDINGS] != 0) { -+ ip_set_printk("That's nasty!"); -+ return 0; /* error */ -+ } -+ -+ return 1; -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static void destroy(void *matchinfo, -+ unsigned int matchsize) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+static void destroy(const struct xt_match *match, -+ void *matchinfo, -+ unsigned int matchsize) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+static void destroy(const struct xt_match *match, -+ void *matchinfo) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+static void destroy(const struct xt_mtdtor_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ struct ipt_set_info_match *info = matchinfo; -+#else -+ struct ipt_set_info_match *info = par->matchinfo; -+#endif -+ -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+ if (matchsize != IPT_ALIGN(sizeof(struct ipt_set_info_match))) { -+ ip_set_printk("invalid matchsize %d", matchsize); -+ return; -+ } -+#endif -+ ip_set_put_byindex(info->match_set.index); -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static struct xt_match set_match = { -+ .name = "set", -+ .match = &match, -+ .checkentry = &checkentry, -+ .destroy = &destroy, -+ .me = THIS_MODULE -+}; -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17) */ -+static struct xt_match set_match = { -+ .name = "set", -+ .family = AF_INET, -+ .match = &match, -+ .matchsize = sizeof(struct ipt_set_info_match), -+ .checkentry = &checkentry, -+ .destroy = &destroy, -+ .me = THIS_MODULE -+}; -+#endif -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("iptables IP set match module"); -+ -+static int __init ipt_ipset_init(void) -+{ -+ return xt_register_match(&set_match); -+} -+ -+static void __exit ipt_ipset_fini(void) -+{ -+ xt_unregister_match(&set_match); -+} -+ -+module_init(ipt_ipset_init); -+module_exit(ipt_ipset_fini); ---- /dev/null -+++ b/net/ipv4/netfilter/ipt_SET.c -@@ -0,0 +1,242 @@ -+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> -+ * Patrick Schaaf <bof@bof.de> -+ * Martin Josefsson <gandalf@wlug.westbo.se> -+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* ipt_SET.c - netfilter target to manipulate IP sets */ -+ -+#include <linux/module.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/version.h> -+ -+#include <linux/netfilter_ipv4.h> -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) -+#include <linux/netfilter_ipv4/ip_tables.h> -+#define xt_register_target ipt_register_target -+#define xt_unregister_target ipt_unregister_target -+#define xt_target ipt_target -+#define XT_CONTINUE IPT_CONTINUE -+#else -+#include <linux/netfilter/x_tables.h> -+#endif -+#include <linux/netfilter_ipv4/ipt_set.h> -+ -+static unsigned int -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) -+target(struct sk_buff **pskb, -+ unsigned int hooknum, -+ const struct net_device *in, -+ const struct net_device *out, -+ const void *targinfo, -+ void *userinfo) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+target(struct sk_buff **pskb, -+ const struct net_device *in, -+ const struct net_device *out, -+ unsigned int hooknum, -+ const void *targinfo, -+ void *userinfo) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+target(struct sk_buff **pskb, -+ const struct net_device *in, -+ const struct net_device *out, -+ unsigned int hooknum, -+ const struct xt_target *target, -+ const void *targinfo, -+ void *userinfo) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24) -+target(struct sk_buff **pskb, -+ const struct net_device *in, -+ const struct net_device *out, -+ unsigned int hooknum, -+ const struct xt_target *target, -+ const void *targinfo) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+target(struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ unsigned int hooknum, -+ const struct xt_target *target, -+ const void *targinfo) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+target(struct sk_buff *skb, -+ const struct xt_target_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ const struct ipt_set_info_target *info = targinfo; -+#else -+ const struct ipt_set_info_target *info = par->targinfo; -+#endif -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24) -+ struct sk_buff *skb = *pskb; -+#endif -+ -+ -+ if (info->add_set.index != IP_SET_INVALID_ID) -+ ip_set_addip_kernel(info->add_set.index, -+ skb, -+ info->add_set.flags); -+ if (info->del_set.index != IP_SET_INVALID_ID) -+ ip_set_delip_kernel(info->del_set.index, -+ skb, -+ info->del_set.flags); -+ -+ return XT_CONTINUE; -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) -+static int -+checkentry(const char *tablename, -+ const struct ipt_entry *e, -+ void *targinfo, -+ unsigned int targinfosize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static int -+checkentry(const char *tablename, -+ const void *e, -+ void *targinfo, -+ unsigned int targinfosize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+static int -+checkentry(const char *tablename, -+ const void *e, -+ const struct xt_target *target, -+ void *targinfo, -+ unsigned int targinfosize, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -+static int -+checkentry(const char *tablename, -+ const void *e, -+ const struct xt_target *target, -+ void *targinfo, -+ unsigned int hook_mask) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+static bool -+checkentry(const char *tablename, -+ const void *e, -+ const struct xt_target *target, -+ void *targinfo, -+ unsigned int hook_mask) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+static bool -+checkentry(const struct xt_tgchk_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ const struct ipt_set_info_target *info = targinfo; -+#else -+ const struct ipt_set_info_target *info = par->targinfo; -+#endif -+ ip_set_id_t index; -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+ if (targinfosize != IPT_ALIGN(sizeof(*info))) { -+ DP("bad target info size %u", targinfosize); -+ return 0; -+ } -+#endif -+ -+ if (info->add_set.index != IP_SET_INVALID_ID) { -+ index = ip_set_get_byindex(info->add_set.index); -+ if (index == IP_SET_INVALID_ID) { -+ ip_set_printk("cannot find add_set index %u as target", -+ info->add_set.index); -+ return 0; /* error */ -+ } -+ } -+ -+ if (info->del_set.index != IP_SET_INVALID_ID) { -+ index = ip_set_get_byindex(info->del_set.index); -+ if (index == IP_SET_INVALID_ID) { -+ ip_set_printk("cannot find del_set index %u as target", -+ info->del_set.index); -+ return 0; /* error */ -+ } -+ } -+ if (info->add_set.flags[IP_SET_MAX_BINDINGS] != 0 -+ || info->del_set.flags[IP_SET_MAX_BINDINGS] != 0) { -+ ip_set_printk("That's nasty!"); -+ return 0; /* error */ -+ } -+ -+ return 1; -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static void destroy(void *targetinfo, -+ unsigned int targetsize) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+static void destroy(const struct xt_target *target, -+ void *targetinfo, -+ unsigned int targetsize) -+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+static void destroy(const struct xt_target *target, -+ void *targetinfo) -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ -+static void destroy(const struct xt_tgdtor_param *par) -+#endif -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -+ const struct ipt_set_info_target *info = targetinfo; -+#else -+ const struct ipt_set_info_target *info = par->targinfo; -+#endif -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+ if (targetsize != IPT_ALIGN(sizeof(struct ipt_set_info_target))) { -+ ip_set_printk("invalid targetsize %d", targetsize); -+ return; -+ } -+#endif -+ if (info->add_set.index != IP_SET_INVALID_ID) -+ ip_set_put_byindex(info->add_set.index); -+ if (info->del_set.index != IP_SET_INVALID_ID) -+ ip_set_put_byindex(info->del_set.index); -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) -+static struct xt_target SET_target = { -+ .name = "SET", -+ .target = target, -+ .checkentry = checkentry, -+ .destroy = destroy, -+ .me = THIS_MODULE -+}; -+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17) */ -+static struct xt_target SET_target = { -+ .name = "SET", -+ .family = AF_INET, -+ .target = target, -+ .targetsize = sizeof(struct ipt_set_info_target), -+ .checkentry = checkentry, -+ .destroy = destroy, -+ .me = THIS_MODULE -+}; -+#endif -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -+MODULE_DESCRIPTION("iptables IP set target module"); -+ -+static int __init ipt_SET_init(void) -+{ -+ return xt_register_target(&SET_target); -+} -+ -+static void __exit ipt_SET_fini(void) -+{ -+ xt_unregister_target(&SET_target); -+} -+ -+module_init(ipt_SET_init); -+module_exit(ipt_SET_fini); ---- a/net/ipv4/netfilter/Kconfig -+++ b/net/ipv4/netfilter/Kconfig -@@ -388,5 +388,146 @@ config IP_NF_ARP_MANGLE - - endif # IP_NF_ARPTABLES - -+config IP_NF_SET -+ tristate "IP set support" -+ depends on INET && NETFILTER -+ help -+ This option adds IP set support to the kernel. -+ In order to define and use sets, you need the userspace utility -+ ipset(8). -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_MAX -+ int "Maximum number of IP sets" -+ default 256 -+ range 2 65534 -+ depends on IP_NF_SET -+ help -+ You can define here default value of the maximum number -+ of IP sets for the kernel. -+ -+ The value can be overriden by the 'max_sets' module -+ parameter of the 'ip_set' module. -+ -+config IP_NF_SET_HASHSIZE -+ int "Hash size for bindings of IP sets" -+ default 1024 -+ depends on IP_NF_SET -+ help -+ You can define here default value of the hash size for -+ bindings of IP sets. -+ -+ The value can be overriden by the 'hash_size' module -+ parameter of the 'ip_set' module. -+ -+config IP_NF_SET_IPMAP -+ tristate "ipmap set support" -+ depends on IP_NF_SET -+ help -+ This option adds the ipmap set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_MACIPMAP -+ tristate "macipmap set support" -+ depends on IP_NF_SET -+ help -+ This option adds the macipmap set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_PORTMAP -+ tristate "portmap set support" -+ depends on IP_NF_SET -+ help -+ This option adds the portmap set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPHASH -+ tristate "iphash set support" -+ depends on IP_NF_SET -+ help -+ This option adds the iphash set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_NETHASH -+ tristate "nethash set support" -+ depends on IP_NF_SET -+ help -+ This option adds the nethash set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPPORTHASH -+ tristate "ipporthash set support" -+ depends on IP_NF_SET -+ help -+ This option adds the ipporthash set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPPORTIPHASH -+ tristate "ipportiphash set support" -+ depends on IP_NF_SET -+ help -+ This option adds the ipportiphash set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPPORTNETHASH -+ tristate "ipportnethash set support" -+ depends on IP_NF_SET -+ help -+ This option adds the ipportnethash set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPTREE -+ tristate "iptree set support" -+ depends on IP_NF_SET -+ help -+ This option adds the iptree set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_IPTREEMAP -+ tristate "iptreemap set support" -+ depends on IP_NF_SET -+ help -+ This option adds the iptreemap set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_SET_SETLIST -+ tristate "setlist set support" -+ depends on IP_NF_SET -+ help -+ This option adds the setlist set type support. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_MATCH_SET -+ tristate "set match support" -+ depends on IP_NF_SET -+ help -+ Set matching matches against given IP sets. -+ You need the ipset utility to create and set up the sets. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+config IP_NF_TARGET_SET -+ tristate "SET target support" -+ depends on IP_NF_SET -+ help -+ The SET target makes possible to add/delete entries -+ in IP sets. -+ You need the ipset utility to create and set up the sets. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ -+ - endmenu - ---- a/net/ipv4/netfilter/Makefile -+++ b/net/ipv4/netfilter/Makefile -@@ -51,6 +51,7 @@ obj-$(CONFIG_IP_NF_SECURITY) += iptable_ - obj-$(CONFIG_IP_NF_MATCH_ADDRTYPE) += ipt_addrtype.o - obj-$(CONFIG_IP_NF_MATCH_AH) += ipt_ah.o - obj-$(CONFIG_IP_NF_MATCH_ECN) += ipt_ecn.o -+obj-$(CONFIG_IP_NF_MATCH_SET) += ipt_set.o - - # targets - obj-$(CONFIG_IP_NF_TARGET_CLUSTERIP) += ipt_CLUSTERIP.o -@@ -61,6 +62,21 @@ obj-$(CONFIG_IP_NF_TARGET_NETMAP) += ipt - obj-$(CONFIG_IP_NF_TARGET_REDIRECT) += ipt_REDIRECT.o - obj-$(CONFIG_IP_NF_TARGET_REJECT) += ipt_REJECT.o - obj-$(CONFIG_IP_NF_TARGET_ULOG) += ipt_ULOG.o -+obj-$(CONFIG_IP_NF_TARGET_SET) += ipt_SET.o -+ -+# sets -+obj-$(CONFIG_IP_NF_SET) += ip_set.o -+obj-$(CONFIG_IP_NF_SET_IPMAP) += ip_set_ipmap.o -+obj-$(CONFIG_IP_NF_SET_PORTMAP) += ip_set_portmap.o -+obj-$(CONFIG_IP_NF_SET_MACIPMAP) += ip_set_macipmap.o -+obj-$(CONFIG_IP_NF_SET_IPHASH) += ip_set_iphash.o -+obj-$(CONFIG_IP_NF_SET_NETHASH) += ip_set_nethash.o -+obj-$(CONFIG_IP_NF_SET_IPPORTHASH) += ip_set_ipporthash.o -+obj-$(CONFIG_IP_NF_SET_IPPORTIPHASH) += ip_set_ipportiphash.o -+obj-$(CONFIG_IP_NF_SET_IPPORTNETHASH) += ip_set_ipportnethash.o -+obj-$(CONFIG_IP_NF_SET_IPTREE) += ip_set_iptree.o -+obj-$(CONFIG_IP_NF_SET_IPTREEMAP) += ip_set_iptreemap.o -+obj-$(CONFIG_IP_NF_SET_SETLIST) += ip_set_setlist.o - - # generic ARP tables - obj-$(CONFIG_IP_NF_ARPTABLES) += arp_tables.o |