diff options
Diffstat (limited to 'target/linux')
| -rw-r--r-- | target/linux/linux-2.4/config/brcm | 3 | ||||
| -rw-r--r-- | target/linux/linux-2.4/patches/generic/113-netfilter_connmark.patch | 351 |
2 files changed, 354 insertions, 0 deletions
diff --git a/target/linux/linux-2.4/config/brcm b/target/linux/linux-2.4/config/brcm index f8e50d76fc..158cb77739 100644 --- a/target/linux/linux-2.4/config/brcm +++ b/target/linux/linux-2.4/config/brcm @@ -340,6 +340,7 @@ CONFIG_NET_IPGRE=m # IP: Netfilter Configuration # CONFIG_IP_NF_CONNTRACK=y +CONFIG_IP_NF_CONNTRACK_MARK=y CONFIG_IP_NF_FTP=y CONFIG_IP_NF_AMANDA=m CONFIG_IP_NF_TFTP=m @@ -365,6 +366,7 @@ CONFIG_IP_NF_MATCH_TCPMSS=y CONFIG_IP_NF_MATCH_HELPER=m CONFIG_IP_NF_MATCH_STATE=y CONFIG_IP_NF_MATCH_CONNTRACK=m +CONFIG_IP_NF_MATCH_CONNMARK=m CONFIG_IP_NF_MATCH_UNCLEAN=m CONFIG_IP_NF_MATCH_OWNER=m CONFIG_IP_NF_MATCH_LAYER7=m @@ -390,6 +392,7 @@ CONFIG_IP_NF_TARGET_TOS=m CONFIG_IP_NF_TARGET_ECN=m CONFIG_IP_NF_TARGET_DSCP=m CONFIG_IP_NF_TARGET_MARK=y +CONFIG_IP_NF_TARGET_CONNMARK=m CONFIG_IP_NF_TARGET_LOG=y CONFIG_IP_NF_TARGET_TTL=m CONFIG_IP_NF_TARGET_ULOG=m diff --git a/target/linux/linux-2.4/patches/generic/113-netfilter_connmark.patch b/target/linux/linux-2.4/patches/generic/113-netfilter_connmark.patch new file mode 100644 index 0000000000..154314dc41 --- /dev/null +++ b/target/linux/linux-2.4/patches/generic/113-netfilter_connmark.patch @@ -0,0 +1,351 @@ +diff -urN linux.old/include/linux/netfilter_ipv4/ip_conntrack.h linux.dev/include/linux/netfilter_ipv4/ip_conntrack.h +--- linux.old/include/linux/netfilter_ipv4/ip_conntrack.h 2005-08-20 20:02:06.619827000 +0200 ++++ linux.dev/include/linux/netfilter_ipv4/ip_conntrack.h 2005-08-20 20:19:23.302029232 +0200 +@@ -226,6 +226,9 @@ + unsigned int app_data_len; + } layer7; + #endif ++#if defined(CONFIG_IP_NF_CONNTRACK_MARK) ++ unsigned long mark; ++#endif + }; + + /* get master conntrack via master expectation */ +diff -urN linux.old/include/linux/netfilter_ipv4/ipt_CONNMARK.h linux.dev/include/linux/netfilter_ipv4/ipt_CONNMARK.h +--- linux.old/include/linux/netfilter_ipv4/ipt_CONNMARK.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux.dev/include/linux/netfilter_ipv4/ipt_CONNMARK.h 2005-08-20 20:19:41.058329864 +0200 +@@ -0,0 +1,25 @@ ++#ifndef _IPT_CONNMARK_H_target ++#define _IPT_CONNMARK_H_target ++ ++/* Copyright (C) 2002,2004 MARA Systems AB <http://www.marasystems.com> ++ * by Henrik Nordstrom <hno@marasystems.com> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2 of the License, or ++ * (at your option) any later version. ++ */ ++ ++enum { ++ IPT_CONNMARK_SET = 0, ++ IPT_CONNMARK_SAVE, ++ IPT_CONNMARK_RESTORE ++}; ++ ++struct ipt_connmark_target_info { ++ unsigned long mark; ++ unsigned long mask; ++ u_int8_t mode; ++}; ++ ++#endif /*_IPT_CONNMARK_H_target*/ +diff -urN linux.old/include/linux/netfilter_ipv4/ipt_connmark.h linux.dev/include/linux/netfilter_ipv4/ipt_connmark.h +--- linux.old/include/linux/netfilter_ipv4/ipt_connmark.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux.dev/include/linux/netfilter_ipv4/ipt_connmark.h 2005-08-20 20:19:41.058329864 +0200 +@@ -0,0 +1,18 @@ ++#ifndef _IPT_CONNMARK_H ++#define _IPT_CONNMARK_H ++ ++/* Copyright (C) 2002,2004 MARA Systems AB <http://www.marasystems.com> ++ * by Henrik Nordstrom <hno@marasystems.com> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2 of the License, or ++ * (at your option) any later version. ++ */ ++ ++struct ipt_connmark_info { ++ unsigned long mark, mask; ++ u_int8_t invert; ++}; ++ ++#endif /*_IPT_CONNMARK_H*/ +diff -urN linux.old/net/ipv4/netfilter/Config.in linux.dev/net/ipv4/netfilter/Config.in +--- linux.old/net/ipv4/netfilter/Config.in 2005-08-20 20:02:09.325416000 +0200 ++++ linux.dev/net/ipv4/netfilter/Config.in 2005-08-20 20:29:11.546602464 +0200 +@@ -6,7 +6,8 @@ + + tristate 'Connection tracking (required for masq/NAT)' CONFIG_IP_NF_CONNTRACK + if [ "$CONFIG_IP_NF_CONNTRACK" != "n" ]; then +- dep_tristate ' FTP protocol support' CONFIG_IP_NF_FTP $CONFIG_IP_NF_CONNTRACK ++ bool ' Connection mark tracking support' CONFIG_IP_NF_CONNTRACK_MARK ++ dep_tristate ' FTP protocol support' CONFIG_IP_NF_FTP $CONFIG_IP_NF_CONNTRACKa + dep_tristate ' Amanda protocol support' CONFIG_IP_NF_AMANDA $CONFIG_IP_NF_CONNTRACK + dep_tristate ' TFTP protocol support' CONFIG_IP_NF_TFTP $CONFIG_IP_NF_CONNTRACK + dep_tristate ' IRC protocol support' CONFIG_IP_NF_IRC $CONFIG_IP_NF_CONNTRACK +@@ -42,6 +43,9 @@ + if [ "$CONFIG_IP_NF_CONNTRACK" != "n" ]; then + dep_tristate ' Connection state match support' CONFIG_IP_NF_MATCH_STATE $CONFIG_IP_NF_CONNTRACK $CONFIG_IP_NF_IPTABLES + dep_tristate ' Connection tracking match support' CONFIG_IP_NF_MATCH_CONNTRACK $CONFIG_IP_NF_CONNTRACK $CONFIG_IP_NF_IPTABLES ++ if [ "$CONFIG_IP_NF_CONNTRACK_MARK" != "n" ]; then ++ dep_tristate ' Connection mark match support' CONFIG_IP_NF_MATCH_CONNMARK $CONFIG_IP_NF_IPTABLES ++ fi + fi + if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then + dep_tristate ' Unclean match support (EXPERIMENTAL)' CONFIG_IP_NF_MATCH_UNCLEAN $CONFIG_IP_NF_IPTABLES +@@ -125,6 +129,9 @@ + + dep_tristate ' MARK target support' CONFIG_IP_NF_TARGET_MARK $CONFIG_IP_NF_MANGLE + fi ++ if [ "$CONFIG_IP_NF_CONNTRACK_MARK" != "n" ]; then ++ dep_tristate ' CONNMARK target support' CONFIG_IP_NF_TARGET_CONNMARK $CONFIG_IP_NF_IPTABLES ++ fi + dep_tristate ' LOG target support' CONFIG_IP_NF_TARGET_LOG $CONFIG_IP_NF_IPTABLES + dep_tristate ' TTL target support' CONFIG_IP_NF_TARGET_TTL $CONFIG_IP_NF_IPTABLES + dep_tristate ' ULOG target support' CONFIG_IP_NF_TARGET_ULOG $CONFIG_IP_NF_IPTABLES +diff -urN linux.old/net/ipv4/netfilter/Makefile linux.dev/net/ipv4/netfilter/Makefile +--- linux.old/net/ipv4/netfilter/Makefile 2005-08-20 20:02:09.326416000 +0200 ++++ linux.dev/net/ipv4/netfilter/Makefile 2005-08-20 20:29:54.081136232 +0200 +@@ -93,6 +93,7 @@ + + obj-$(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 + obj-$(CONFIG_IP_NF_MATCH_CONNTRACK) += ipt_conntrack.o + obj-$(CONFIG_IP_NF_MATCH_UNCLEAN) += ipt_unclean.o + obj-$(CONFIG_IP_NF_MATCH_TCPMSS) += ipt_tcpmss.o +@@ -110,6 +111,7 @@ + obj-$(CONFIG_IP_NF_TARGET_REDIRECT) += ipt_REDIRECT.o + obj-$(CONFIG_IP_NF_NAT_SNMP_BASIC) += ip_nat_snmp_basic.o + obj-$(CONFIG_IP_NF_TARGET_LOG) += ipt_LOG.o ++obj-$(CONFIG_IP_NF_TARGET_CONNMARK) += ipt_CONNMARK.o + obj-$(CONFIG_IP_NF_TARGET_TTL) += ipt_TTL.o + obj-$(CONFIG_IP_NF_TARGET_ULOG) += ipt_ULOG.o + obj-$(CONFIG_IP_NF_TARGET_TCPMSS) += ipt_TCPMSS.o +diff -urN linux.old/net/ipv4/netfilter/ip_conntrack_core.c linux.dev/net/ipv4/netfilter/ip_conntrack_core.c +--- linux.old/net/ipv4/netfilter/ip_conntrack_core.c 2005-08-20 20:02:06.828795000 +0200 ++++ linux.dev/net/ipv4/netfilter/ip_conntrack_core.c 2005-08-20 20:33:23.308328864 +0200 +@@ -755,6 +755,9 @@ + __set_bit(IPS_EXPECTED_BIT, &conntrack->status); + conntrack->master = expected; + expected->sibling = conntrack; ++#ifdef CONFIG_IP_NF_CONNTRACK_MARK ++ conntrack->mark = expected->expectant->mark; ++#endif + LIST_DELETE(&ip_conntrack_expect_list, expected); + expected->expectant->expecting--; + nf_conntrack_get(&master_ct(conntrack)->infos[0]); +diff -urN linux.old/net/ipv4/netfilter/ip_conntrack_standalone.c linux.dev/net/ipv4/netfilter/ip_conntrack_standalone.c +--- linux.old/net/ipv4/netfilter/ip_conntrack_standalone.c 2005-08-20 20:02:06.583833000 +0200 ++++ linux.dev/net/ipv4/netfilter/ip_conntrack_standalone.c 2005-08-20 20:32:15.364657872 +0200 +@@ -107,6 +107,9 @@ + len += sprintf(buffer + len, "[ASSURED] "); + len += sprintf(buffer + len, "use=%u ", + atomic_read(&conntrack->ct_general.use)); ++ #if defined(CONFIG_IP_NF_CONNTRACK_MARK) ++ len += sprintf(buffer + len, "mark=%ld ", conntrack->mark); ++ #endif + + #if defined(CONFIG_IP_NF_MATCH_LAYER7) || defined(CONFIG_IP_NF_MATCH_LAYER7_MODULE) + if(conntrack->layer7.app_proto) +diff -urN linux.old/net/ipv4/netfilter/ipt_CONNMARK.c linux.dev/net/ipv4/netfilter/ipt_CONNMARK.c +--- linux.old/net/ipv4/netfilter/ipt_CONNMARK.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux.dev/net/ipv4/netfilter/ipt_CONNMARK.c 2005-08-20 20:21:28.666970864 +0200 +@@ -0,0 +1,118 @@ ++/* This kernel module is used to modify the connection mark values, or ++ * to optionally restore the skb nfmark from the connection mark ++ * ++ * Copyright (C) 2002,2004 MARA Systems AB <http://www.marasystems.com> ++ * by Henrik Nordstrom <hno@marasystems.com> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2 of the License, or ++ * (at your option) any later version. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ++ */ ++#include <linux/module.h> ++#include <linux/skbuff.h> ++#include <linux/ip.h> ++#include <net/checksum.h> ++ ++MODULE_AUTHOR("Henrik Nordstrom <hno@marasytems.com>"); ++MODULE_DESCRIPTION("IP tables CONNMARK matching module"); ++MODULE_LICENSE("GPL"); ++ ++#include <linux/netfilter_ipv4/ip_tables.h> ++#include <linux/netfilter_ipv4/ipt_CONNMARK.h> ++#include <linux/netfilter_ipv4/ip_conntrack.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_connmark_target_info *markinfo = targinfo; ++ unsigned long diff; ++ unsigned long nfmark; ++ unsigned long newmark; ++ ++ enum ip_conntrack_info ctinfo; ++ struct ip_conntrack *ct = ip_conntrack_get((*pskb), &ctinfo); ++ if (ct) { ++ switch(markinfo->mode) { ++ case IPT_CONNMARK_SET: ++ newmark = (ct->mark & ~markinfo->mask) | markinfo->mark; ++ if (newmark != ct->mark) ++ ct->mark = newmark; ++ break; ++ case IPT_CONNMARK_SAVE: ++ newmark = (ct->mark & ~markinfo->mask) | ((*pskb)->nfmark & markinfo->mask); ++ if (ct->mark != newmark) ++ ct->mark = newmark; ++ break; ++ case IPT_CONNMARK_RESTORE: ++ nfmark = (*pskb)->nfmark; ++ diff = (ct->mark ^ nfmark & markinfo->mask); ++ if (diff != 0) { ++ (*pskb)->nfmark = nfmark ^ diff; ++ (*pskb)->nfcache |= NFC_ALTERED; ++ } ++ break; ++ } ++ } ++ ++ 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_connmark_target_info *matchinfo = targinfo; ++ if (targinfosize != IPT_ALIGN(sizeof(struct ipt_connmark_target_info))) { ++ printk(KERN_WARNING "CONNMARK: targinfosize %u != %Zu\n", ++ targinfosize, ++ IPT_ALIGN(sizeof(struct ipt_connmark_target_info))); ++ return 0; ++ } ++ ++ if (matchinfo->mode == IPT_CONNMARK_RESTORE) { ++ if (strcmp(tablename, "mangle") != 0) { ++ printk(KERN_WARNING "CONNMARK: restore can only be called from \"mangle\" table, not \"%s\"\n", tablename); ++ return 0; ++ } ++ } ++ ++ return 1; ++} ++ ++static struct ipt_target ipt_connmark_reg = { ++ .name = "CONNMARK", ++ .target = &target, ++ .checkentry = &checkentry, ++ .me = THIS_MODULE ++}; ++ ++static int __init init(void) ++{ ++ return ipt_register_target(&ipt_connmark_reg); ++} ++ ++static void __exit fini(void) ++{ ++ ipt_unregister_target(&ipt_connmark_reg); ++} ++ ++module_init(init); ++module_exit(fini); +diff -urN linux.old/net/ipv4/netfilter/ipt_connmark.c linux.dev/net/ipv4/netfilter/ipt_connmark.c +--- linux.old/net/ipv4/netfilter/ipt_connmark.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux.dev/net/ipv4/netfilter/ipt_connmark.c 2005-08-20 20:21:28.666970864 +0200 +@@ -0,0 +1,83 @@ ++/* This kernel module matches connection mark values set by the ++ * CONNMARK target ++ * ++ * Copyright (C) 2002,2004 MARA Systems AB <http://www.marasystems.com> ++ * by Henrik Nordstrom <hno@marasystems.com> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2 of the License, or ++ * (at your option) any later version. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ++ */ ++ ++#include <linux/module.h> ++#include <linux/skbuff.h> ++ ++MODULE_AUTHOR("Henrik Nordstrom <hno@marasytems.com>"); ++MODULE_DESCRIPTION("IP tables connmark match module"); ++MODULE_LICENSE("GPL"); ++ ++#include <linux/netfilter_ipv4/ip_tables.h> ++#include <linux/netfilter_ipv4/ipt_connmark.h> ++#include <linux/netfilter_ipv4/ip_conntrack.h> ++ ++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_connmark_info *info = matchinfo; ++ enum ip_conntrack_info ctinfo; ++ struct ip_conntrack *ct = ip_conntrack_get((struct sk_buff *)skb, &ctinfo); ++ if (!ct) ++ return 0; ++ ++ return ((ct->mark & info->mask) == info->mark) ^ info->invert; ++} ++ ++static int ++checkentry(const char *tablename, ++ const struct ipt_ip *ip, ++ void *matchinfo, ++ unsigned int matchsize, ++ unsigned int hook_mask) ++{ ++ if (matchsize != IPT_ALIGN(sizeof(struct ipt_connmark_info))) ++ return 0; ++ ++ return 1; ++} ++ ++static struct ipt_match connmark_match = { ++ .name = "connmark", ++ .match = &match, ++ .checkentry = &checkentry, ++ .me = THIS_MODULE ++}; ++ ++static int __init init(void) ++{ ++ return ipt_register_match(&connmark_match); ++} ++ ++static void __exit fini(void) ++{ ++ ipt_unregister_match(&connmark_match); ++} ++ ++module_init(init); ++module_exit(fini); |