trunk.. same deal as changeset:6526

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6527 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 336 insertions, 0 deletions

diff --git a/package/iptables/patches/008-chaostables.patch b/package/iptables/patches/008-chaostables.patch
new file mode 100644
index 0000000000..7fc1aab456
--- /dev/null
+++ b/package/iptables/patches/008-chaostables.patch
@@ -0,0 +1,336 @@
+diff -ruN iptables-1.3.5.orig/extensions/.CHAOS-test iptables-1.3.5/extensions/.CHAOS-test
+--- iptables-1.3.5.orig/extensions/.CHAOS-test	1970-01-01 01:00:00.000000000 +0100
++++ iptables-1.3.5/extensions/.CHAOS-test	2007-01-09 16:05:23.251885840 +0100
+@@ -0,0 +1,2 @@
++#!/bin/sh
++[ -f "$KERNEL_DIR/include/linux/netfilter/xt_CHAOS.h" ] && echo "CHAOS";
+diff -ruN iptables-1.3.5.orig/extensions/.DELUDE-test iptables-1.3.5/extensions/.DELUDE-test
+--- iptables-1.3.5.orig/extensions/.DELUDE-test	1970-01-01 01:00:00.000000000 +0100
++++ iptables-1.3.5/extensions/.DELUDE-test	2007-01-09 16:05:18.104057722 +0100
+@@ -0,0 +1,2 @@
++#!/bin/sh
++echo "DELUDE";
+diff -ruN iptables-1.3.5.orig/extensions/libipt_CHAOS.c iptables-1.3.5/extensions/libipt_CHAOS.c
+--- iptables-1.3.5.orig/extensions/libipt_CHAOS.c	1970-01-01 01:00:00.000000000 +0100
++++ iptables-1.3.5/extensions/libipt_CHAOS.c	2007-01-09 16:05:23.251885840 +0100
+@@ -0,0 +1,111 @@
++/*
++    CHAOS target for iptables
++
++    Copyright © Jan Engelhardt <jengelh [at] gmx de>, 2006 - 2007
++    released under the terms of the GNU General Public
++    License version 2.x and only versions 2.x.
++*/
++#include <getopt.h>
++#include <stdio.h>
++#include <string.h>
++
++#include <iptables.h>
++#include <linux/netfilter_ipv4/ip_tables.h>
++#include <linux/netfilter/xt_CHAOS.h>
++
++static void libipt_chaos_help(void)
++{
++	printf(
++		"CHAOS target v%s options:\n"
++		"  --delude     Enable DELUDE processing for TCP\n"
++		"  --tarpit     Enable TARPIT processing for TCP\n",
++		IPTABLES_VERSION);
++	return;
++}
++
++static int libipt_chaos_parse(int c, char **argv, int invert,
++    unsigned int *flags, const struct ipt_entry *entry,
++    struct ipt_entry_target **target)
++{
++	struct xt_chaos_info *info = (void *)((*target)->data);
++	switch(c) {
++		case 'd':
++			info->variant = XTCHAOS_DELUDE;
++			*flags |= 0x02;
++			return 1;
++		case 't':
++			info->variant = XTCHAOS_TARPIT;
++			*flags |= 0x01;
++			return 1;
++	}
++	return 0;
++}
++
++static void libipt_chaos_check(unsigned int flags)
++{
++	if(flags != 0x03)
++		return;
++	/* If flags == 0x03, both were specified, which should not be. */
++	exit_error(PARAMETER_PROBLEM,
++	           "CHAOS: only one of --tarpit or --delude may be specified");
++	return;
++}
++
++static void libipt_chaos_print(const struct ipt_ip *ip,
++    const struct ipt_entry_target *target, int numeric)
++{
++	const struct xt_chaos_info *info = (const void *)target->data;
++	switch(info->variant) {
++		case XTCHAOS_DELUDE:
++			printf("DELUDE ");
++			break;
++		case XTCHAOS_TARPIT:
++			printf("TARPIT ");
++			break;
++		default:
++			break;
++	}
++	return;
++}
++
++static void libipt_chaos_save(const struct ipt_ip *ip,
++    const struct ipt_entry_target *target)
++{
++	const struct xt_chaos_info *info = (const void *)target->data;
++	switch(info->variant) {
++		case XTCHAOS_DELUDE:
++			printf("--delude ");
++			break;
++		case XTCHAOS_TARPIT:
++			printf("--tarpit ");
++			break;
++		default:
++			break;
++	}
++	return;
++}
++
++static struct option libipt_chaos_opts[] = {
++	{"delude", 0, NULL, 'd'},
++	{"tarpit", 0, NULL, 't'},
++	{NULL},
++};
++
++static struct iptables_target libipt_chaos_info = {
++	.name          = "CHAOS",
++	.version       = IPTABLES_VERSION,
++	.size          = IPT_ALIGN(sizeof(struct xt_chaos_info)),
++	.userspacesize = IPT_ALIGN(sizeof(struct xt_chaos_info)),
++	.help          = libipt_chaos_help,
++	.parse         = libipt_chaos_parse,
++	.final_check   = libipt_chaos_check,
++	.print         = libipt_chaos_print,
++	.save          = libipt_chaos_save,
++	.extra_opts    = libipt_chaos_opts,
++};
++
++static __attribute__((constructor)) void libipt_chaos_init(void)
++{
++	register_target(&libipt_chaos_info);
++	return;
++}
+diff -ruN iptables-1.3.5.orig/extensions/libipt_DELUDE.c iptables-1.3.5/extensions/libipt_DELUDE.c
+--- iptables-1.3.5.orig/extensions/libipt_DELUDE.c	1970-01-01 01:00:00.000000000 +0100
++++ iptables-1.3.5/extensions/libipt_DELUDE.c	2007-01-09 16:05:18.104057722 +0100
+@@ -0,0 +1,66 @@
++/*
++    DELUDE target for iptables
++
++    Copyright © Jan Engelhardt <jengelh [at] gmx de>, 2006 - 2007
++    released under the terms of the GNU General Public
++    License version 2.x and only versions 2.x.
++*/
++#include <getopt.h>
++#include <stdio.h>
++#include <string.h>
++
++#include <iptables.h>
++#include <linux/netfilter_ipv4/ip_tables.h>
++
++static void libipt_delude_help(void)
++{
++	printf("DELUDE takes no options\n");
++	return;
++}
++
++static int libipt_delude_parse(int c, char **argv, int invert,
++    unsigned int *flags, const struct ipt_entry *entry,
++    struct ipt_entry_target **target)
++{
++	return 0;
++}
++
++static void libipt_delude_check(unsigned int flags)
++{
++	return;
++}
++
++static void libipt_delude_print(const struct ipt_ip *ip,
++    const struct ipt_entry_target *target, int numeric)
++{
++	return;
++}
++
++static void libipt_delude_save(const struct ipt_ip *ip,
++    const struct ipt_entry_target *target)
++{
++	return;
++}
++
++static struct option libipt_delude_opts[] = {
++	{NULL},
++};
++
++static struct iptables_target libipt_delude_info = {
++	.name          = "DELUDE",
++	.version       = IPTABLES_VERSION,
++	.size          = IPT_ALIGN(0),
++	.userspacesize = IPT_ALIGN(0),
++	.help          = libipt_delude_help,
++	.parse         = libipt_delude_parse,
++	.final_check   = libipt_delude_check,
++	.print         = libipt_delude_print,
++	.save          = libipt_delude_save,
++	.extra_opts    = libipt_delude_opts,
++};
++
++static __attribute__((constructor)) void libipt_delude_init(void)
++{
++	register_target(&libipt_delude_info);
++	return;
++}
+diff -ruN iptables-1.3.5.orig/extensions/libipt_portscan.c iptables-1.3.5/extensions/libipt_portscan.c
+--- iptables-1.3.5.orig/extensions/libipt_portscan.c	1970-01-01 01:00:00.000000000 +0100
++++ iptables-1.3.5/extensions/libipt_portscan.c	2007-01-09 16:05:14.228187134 +0100
+@@ -0,0 +1,129 @@
++/*
++    portscan match for iptables
++
++    Copyright © Jan Engelhardt <jengelh [at] gmx de>, 2006 - 2007
++    released under the terms of the GNU General Public
++    License version 2.x and only versions 2.x.
++*/
++#include <stdio.h>
++#include <string.h>
++#include <stdlib.h>
++#include <getopt.h>
++
++#include <iptables.h>
++#include <linux/netfilter_ipv4/ip_tables.h>
++#include <linux/netfilter/xt_portscan.h>
++
++static void libipt_portscan_help(void)
++{
++	printf(
++		"portscan match v%s options:\n"
++		"(Combining them will make them match by OR-logic)\n"
++		"  --stealth    Match TCP Stealth packets\n"
++		"  --synscan    Match TCP SYN scans\n"
++		"  --cnscan     Match TCP Connect scans\n"
++		"  --grscan     Match Banner Grabbing scans\n",
++		IPTABLES_VERSION);
++	return;
++}
++
++static void libipt_portscan_mtinit(struct ipt_entry_match *match,
++    unsigned int *nfcache)
++{
++	/* Cannot cache this */
++	*nfcache |= NFC_UNKNOWN;
++	return;
++}
++
++static int libipt_portscan_parse(int c, char **argv, int invert,
++    unsigned int *flags, const struct ipt_entry *entry, unsigned int *nfc,
++    struct ipt_entry_match **match)
++{
++	struct xt_portscan_info *info = (void *)((*match)->data);
++
++	switch(c) {
++		case 'c':
++			info->match_cn = 1;
++			return 1;
++		case 'g':
++			info->match_gr = 1;
++			return 1;
++		case 's':
++			info->match_syn = 1;
++			return 1;
++		case 'x':
++			info->match_stealth = 1;
++			return 1;
++		default:
++			return 0;
++	}
++}
++
++static void libipt_portscan_check(unsigned int flags)
++{
++	return;
++}
++
++static void libipt_portscan_print(const struct ipt_ip *ip,
++    const struct ipt_entry_match *match, int numeric)
++{
++	const struct xt_portscan_info *info = (const void *)(match->data);
++	const char *s = "";
++
++	printf("portscan ");
++	if(info->match_stealth) {
++		printf("STEALTH");
++		s = ",";
++	}
++	if(info->match_syn) {
++		printf("%sSYNSCAN", s);
++		s = ",";
++	}
++	if(info->match_cn) {
++		printf("%sCNSCAN", s);
++		s = ",";
++	}
++	if(info->match_gr)
++		printf("%sGRSCAN", s);
++	printf(" ");
++	return;
++}
++
++static void libipt_portscan_save(const struct ipt_ip *ip,
++    const struct ipt_entry_match *match)
++{
++	const struct xt_portscan_info *info = (const void *)(match->data);
++	if(info->match_stealth)	printf("--stealth ");
++	if(info->match_syn)	printf("--synscan ");
++	if(info->match_cn)	printf("--cnscan ");
++	if(info->match_gr)	printf("--grscan ");
++	return;
++}
++
++static struct option libipt_portscan_opts[] = {
++	{"stealth", 0, NULL, 'x'},
++	{"synscan", 0, NULL, 's'},
++	{"cnscan",  0, NULL, 'c'},
++	{"grscan",  0, NULL, 'g'},
++	{NULL},
++};
++
++static struct iptables_match libipt_portscan_info = {
++	.name          = "portscan",
++	.version       = IPTABLES_VERSION,
++	.size          = IPT_ALIGN(sizeof(struct xt_portscan_info)),
++	.userspacesize = IPT_ALIGN(sizeof(struct xt_portscan_info)),
++	.help          = libipt_portscan_help,
++	.init          = libipt_portscan_mtinit,
++	.parse         = libipt_portscan_parse,
++	.final_check   = libipt_portscan_check,
++	.print         = libipt_portscan_print,
++	.save          = libipt_portscan_save,
++	.extra_opts    = libipt_portscan_opts,
++};
++
++static __attribute__((constructor)) void libipt_portscan_init(void)
++{
++	register_match(&libipt_portscan_info);
++	return;
++}
+diff -ruN iptables-1.3.5.orig/extensions/.portscan-test iptables-1.3.5/extensions/.portscan-test
+--- iptables-1.3.5.orig/extensions/.portscan-test	1970-01-01 01:00:00.000000000 +0100
++++ iptables-1.3.5/extensions/.portscan-test	2007-01-09 16:05:14.228187134 +0100
+@@ -0,0 +1,2 @@
++#!/bin/sh
++[ -f "$KERNEL_DIR/include/linux/netfilter/xt_portscan.h" ] && echo "portscan";