diff options
Diffstat (limited to 'package/iptables/patches/1.4.1.1')
-rw-r--r-- | package/iptables/patches/1.4.1.1/001-ipp2p-0.8.1rc1.patch | 481 | ||||
-rw-r--r-- | package/iptables/patches/1.4.1.1/002-layer7_2.17.patch | 390 | ||||
-rw-r--r-- | package/iptables/patches/1.4.1.1/005-imq1.patch | 198 | ||||
-rw-r--r-- | package/iptables/patches/1.4.1.1/006-chaostables_0.8.patch | 393 | ||||
-rw-r--r-- | package/iptables/patches/1.4.1.1/007-tarpit_support.patch | 106 |
5 files changed, 1568 insertions, 0 deletions
diff --git a/package/iptables/patches/1.4.1.1/001-ipp2p-0.8.1rc1.patch b/package/iptables/patches/1.4.1.1/001-ipp2p-0.8.1rc1.patch new file mode 100644 index 0000000000..e3e92bdd22 --- /dev/null +++ b/package/iptables/patches/1.4.1.1/001-ipp2p-0.8.1rc1.patch @@ -0,0 +1,481 @@ +diff -Nur iptables-1.4.1.1/extensions/.ipp2p-test iptables-1.4.1.1-owrt/extensions/.ipp2p-test +--- iptables-1.4.1.1/extensions/.ipp2p-test 1970-01-01 01:00:00.000000000 +0100 ++++ iptables-1.4.1.1-owrt/extensions/.ipp2p-test 2008-10-10 00:10:50.000000000 +0200 +@@ -0,0 +1,2 @@ ++#! /bin/sh ++[ -f $KERNEL_DIR/include/linux/netfilter_ipv4/ipt_ipp2p.h ] && echo ipp2p +diff -Nur iptables-1.4.1.1/extensions/libipt_ipp2p.c iptables-1.4.1.1-owrt/extensions/libipt_ipp2p.c +--- iptables-1.4.1.1/extensions/libipt_ipp2p.c 1970-01-01 01:00:00.000000000 +0100 ++++ iptables-1.4.1.1-owrt/extensions/libipt_ipp2p.c 2008-10-10 00:10:50.000000000 +0200 +@@ -0,0 +1,424 @@ ++#include <stdio.h> ++#include <netdb.h> ++#include <string.h> ++#include <stdlib.h> ++#include <getopt.h> ++#include <ctype.h> ++ ++#include <iptables.h> ++ ++#include <linux/netfilter_ipv4/ipt_ipp2p.h> ++ ++#ifndef XTABLES_VERSION ++#define XTABLES_VERSION IPTABLES_VERSION ++#endif ++ ++#ifdef IPT_LIB_DIR ++#define xtables_target iptables_target ++#define xtables_register_target register_target ++#endif ++ ++static void ++help(void) ++{ ++ printf( ++ "IPP2P v%s options:\n" ++ " --ipp2p Grab all known p2p packets\n" ++ " --edk [TCP&UDP] All known eDonkey/eMule/Overnet packets\n" ++ " --dc [TCP] All known Direct Connect packets\n" ++ " --kazaa [TCP&UDP] All known KaZaA packets\n" ++ " --gnu [TCP&UDP] All known Gnutella packets\n" ++ " --bit [TCP&UDP] All known BitTorrent packets\n" ++ " --apple [TCP] All known AppleJuice packets\n" ++ " --winmx [TCP] All known WinMX\n" ++ " --soul [TCP] All known SoulSeek\n" ++ " --ares [TCP] All known Ares\n\n" ++ " EXPERIMENTAL protocols (please send feedback to: ipp2p@ipp2p.org) :\n" ++ " --mute [TCP] All known Mute packets\n" ++ " --waste [TCP] All known Waste packets\n" ++ " --xdcc [TCP] All known XDCC packets (only xdcc login)\n\n" ++ " DEBUG SUPPPORT, use only if you know why\n" ++ " --debug Generate kernel debug output, THIS WILL SLOW DOWN THE FILTER\n" ++ "\nNote that the follwing options will have the same meaning:\n" ++ " '--ipp2p' is equal to '--edk --dc --kazaa --gnu --bit --apple --winmx --soul --ares'\n" ++ "\nIPP2P was intended for TCP only. Due to increasing usage of UDP we needed to change this.\n" ++ "You can now use -p udp to search UDP packets only or without -p switch to search UDP and TCP packets.\n" ++ "\nSee README included with this package for more details or visit http://www.ipp2p.org\n" ++ "\nExamples:\n" ++ " iptables -A FORWARD -m ipp2p --ipp2p -j MARK --set-mark 0x01\n" ++ " iptables -A FORWARD -p udp -m ipp2p --kazaa --bit -j DROP\n" ++ " iptables -A FORWARD -p tcp -m ipp2p --edk --soul -j DROP\n\n" ++ , IPP2P_VERSION); ++} ++ ++static struct option opts[] = { ++ { "ipp2p", 0, 0, '1' }, ++ { "edk", 0, 0, '2' }, ++ { "dc", 0, 0, '7' }, ++ { "gnu", 0, 0, '9' }, ++ { "kazaa", 0, 0, 'a' }, ++ { "bit", 0, 0, 'b' }, ++ { "apple", 0, 0, 'c' }, ++ { "soul", 0, 0, 'd' }, ++ { "winmx", 0, 0, 'e' }, ++ { "ares", 0, 0, 'f' }, ++ { "mute", 0, 0, 'g' }, ++ { "waste", 0, 0, 'h' }, ++ { "xdcc", 0, 0, 'i' }, ++ { "debug", 0, 0, 'j' }, ++ {0} ++}; ++ ++ ++static void ++#ifdef _XTABLES_H ++init(struct xt_entry_match *m) ++#else ++init(struct ipt_entry_match *t, unsigned int *nfcache) ++#endif ++{ ++ struct ipt_p2p_info *info = (struct ipt_p2p_info *)m->data; ++ ++#ifndef _XTABLES_H ++ *nfcache |= NFC_UNKNOWN; ++#endif ++ ++ /*init the module with default values*/ ++ info->cmd = 0; ++ info->debug = 0; ++ ++} ++ ++ ++static int ++parse(int c, char **argv, int invert, unsigned int *flags, ++#ifdef _XTABLES_H ++ const void *entry, struct xt_entry_match **match) ++#else ++ const struct ipt_entry *entry, unsigned int *nfcache, struct ipt_entry_match **match) ++#endif ++{ ++ struct ipt_p2p_info *info = (struct ipt_p2p_info *)(*match)->data; ++ ++ switch (c) { ++ case '1': /*cmd: ipp2p*/ ++ if ((*flags & SHORT_HAND_IPP2P) == SHORT_HAND_IPP2P) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: `--ipp2p' may only be " ++ "specified once!"); ++ ++/* if ((*flags & SHORT_HAND_DATA) == SHORT_HAND_DATA) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: `--ipp2p-data' may only be " ++ "specified alone!"); ++*/ ++ ++ if ((*flags) != 0) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: `--ipp2p' may only be " ++ "specified alone!"); ++ if (invert) exit_error(PARAMETER_PROBLEM, "ipp2p: invert [!] is not allowed!"); ++ *flags += SHORT_HAND_IPP2P; ++ info->cmd = *flags; ++ break; ++ ++ case '2': /*cmd: edk*/ ++ if ((*flags & IPP2P_EDK) == IPP2P_EDK) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: `--edk' may only be " ++ "specified once"); ++ if ((*flags & SHORT_HAND_IPP2P) == SHORT_HAND_IPP2P) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: `--ipp2p' may only be " ++ "specified alone!"); ++/* if ((*flags & SHORT_HAND_DATA) == SHORT_HAND_DATA) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: `--ipp2p-data' may only be " ++ "specified alone!");*/ ++ if ((*flags & IPP2P_DATA_EDK) == IPP2P_DATA_EDK) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: use `--edk' OR `--edk-data' but not both of them!"); ++ if (invert) exit_error(PARAMETER_PROBLEM, "ipp2p: invert [!] is not allowed!"); ++ *flags += IPP2P_EDK; ++ info->cmd = *flags; ++ break; ++ ++ ++ case '7': /*cmd: dc*/ ++ if ((*flags & IPP2P_DC) == IPP2P_DC) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: `--dc' may only be " ++ "specified once!"); ++ if ((*flags & SHORT_HAND_IPP2P) == SHORT_HAND_IPP2P) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: `--ipp2p' may only be " ++ "specified alone!"); ++/* if ((*flags & SHORT_HAND_DATA) == SHORT_HAND_DATA) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: `--ipp2p-data' may only be " ++ "specified alone!");*/ ++ if ((*flags & IPP2P_DATA_DC) == IPP2P_DATA_DC) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: use `--dc' OR `--dc-data' but not both of them!"); ++ if (invert) exit_error(PARAMETER_PROBLEM, "ipp2p: invert [!] is not allowed!"); ++ *flags += IPP2P_DC; ++ info->cmd = *flags; ++ break; ++ ++ ++ case '9': /*cmd: gnu*/ ++ if ((*flags & IPP2P_GNU) == IPP2P_GNU) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: `--gnu' may only be " ++ "specified once!"); ++/* if ((*flags & SHORT_HAND_DATA) == SHORT_HAND_DATA) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: `--ipp2p-data' may only be " ++ "specified alone!");*/ ++ if ((*flags & SHORT_HAND_IPP2P) == SHORT_HAND_IPP2P) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: `--ipp2p' may only be " ++ "specified alone!"); ++ if ((*flags & IPP2P_DATA_GNU) == IPP2P_DATA_GNU) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: use `--gnu' OR `--gnu-data' but not both of them!"); ++ if (invert) exit_error(PARAMETER_PROBLEM, "ipp2p: invert [!] is not allowed!"); ++ *flags += IPP2P_GNU; ++ info->cmd = *flags; ++ break; ++ ++ case 'a': /*cmd: kazaa*/ ++ if ((*flags & IPP2P_KAZAA) == IPP2P_KAZAA) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: `--kazaa' may only be " ++ "specified once!"); ++/* if ((*flags & SHORT_HAND_DATA) == SHORT_HAND_DATA) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: `--ipp2p-data' may only be " ++ "specified alone!");*/ ++ if ((*flags & SHORT_HAND_IPP2P) == SHORT_HAND_IPP2P) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: `--ipp2p' may only be " ++ "specified alone!"); ++ if ((*flags & IPP2P_DATA_KAZAA) == IPP2P_DATA_KAZAA) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: use `--kazaa' OR `--kazaa-data' but not both of them!"); ++ if (invert) exit_error(PARAMETER_PROBLEM, "ipp2p: invert [!] is not allowed!"); ++ *flags += IPP2P_KAZAA; ++ info->cmd = *flags; ++ break; ++ ++ case 'b': /*cmd: bit*/ ++ if ((*flags & IPP2P_BIT) == IPP2P_BIT) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: `--bit' may only be " ++ "specified once!"); ++ if ((*flags & SHORT_HAND_IPP2P) == SHORT_HAND_IPP2P) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: `--ipp2p' may only be " ++ "specified alone!"); ++ if (invert) exit_error(PARAMETER_PROBLEM, "ipp2p: invert [!] is not allowed!"); ++ *flags += IPP2P_BIT; ++ info->cmd = *flags; ++ break; ++ ++ case 'c': /*cmd: apple*/ ++ if ((*flags & IPP2P_APPLE) == IPP2P_APPLE) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: `--apple' may only be " ++ "specified once!"); ++ if ((*flags & SHORT_HAND_IPP2P) == SHORT_HAND_IPP2P) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: `--ipp2p' may only be " ++ "specified alone!"); ++ if (invert) exit_error(PARAMETER_PROBLEM, "ipp2p: invert [!] is not allowed!"); ++ *flags += IPP2P_APPLE; ++ info->cmd = *flags; ++ break; ++ ++ ++ case 'd': /*cmd: soul*/ ++ if ((*flags & IPP2P_SOUL) == IPP2P_SOUL) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: `--soul' may only be " ++ "specified once!"); ++ if ((*flags & SHORT_HAND_IPP2P) == SHORT_HAND_IPP2P) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: `--ipp2p' may only be " ++ "specified alone!"); ++ if (invert) exit_error(PARAMETER_PROBLEM, "ipp2p: invert [!] is not allowed!"); ++ *flags += IPP2P_SOUL; ++ info->cmd = *flags; ++ break; ++ ++ ++ case 'e': /*cmd: winmx*/ ++ if ((*flags & IPP2P_WINMX) == IPP2P_WINMX) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: `--winmx' may only be " ++ "specified once!"); ++ if ((*flags & SHORT_HAND_IPP2P) == SHORT_HAND_IPP2P) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: `--ipp2p' may only be " ++ "specified alone!"); ++ if (invert) exit_error(PARAMETER_PROBLEM, "ipp2p: invert [!] is not allowed!"); ++ *flags += IPP2P_WINMX; ++ info->cmd = *flags; ++ break; ++ ++ case 'f': /*cmd: ares*/ ++ if ((*flags & IPP2P_ARES) == IPP2P_ARES) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: `--ares' may only be " ++ "specified once!"); ++ if ((*flags & SHORT_HAND_IPP2P) == SHORT_HAND_IPP2P) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: `--ipp2p' may only be " ++ "specified alone!"); ++ if (invert) exit_error(PARAMETER_PROBLEM, "ipp2p: invert [!] is not allowed!"); ++ *flags += IPP2P_ARES; ++ info->cmd = *flags; ++ break; ++ ++ case 'g': /*cmd: mute*/ ++ if ((*flags & IPP2P_MUTE) == IPP2P_MUTE) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: `--mute' may only be " ++ "specified once!"); ++ if (invert) exit_error(PARAMETER_PROBLEM, "ipp2p: invert [!] is not allowed!"); ++ *flags += IPP2P_MUTE; ++ info->cmd = *flags; ++ break; ++ case 'h': /*cmd: waste*/ ++ if ((*flags & IPP2P_WASTE) == IPP2P_WASTE) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: `--waste' may only be " ++ "specified once!"); ++ if (invert) exit_error(PARAMETER_PROBLEM, "ipp2p: invert [!] is not allowed!"); ++ *flags += IPP2P_WASTE; ++ info->cmd = *flags; ++ break; ++ case 'i': /*cmd: xdcc*/ ++ if ((*flags & IPP2P_XDCC) == IPP2P_XDCC) ++ exit_error(PARAMETER_PROBLEM, ++ "ipp2p: `--ares' may only be " ++ "specified once!"); ++ if (invert) exit_error(PARAMETER_PROBLEM, "ipp2p: invert [!] is not allowed!"); ++ *flags += IPP2P_XDCC; ++ info->cmd = *flags; ++ break; ++ ++ case 'j': /*cmd: debug*/ ++ if (invert) exit_error(PARAMETER_PROBLEM, "ipp2p: invert [!] is not allowed!"); ++ info->debug = 1; ++ break; ++ ++ default: ++// exit_error(PARAMETER_PROBLEM, ++// "\nipp2p-parameter problem: for ipp2p usage type: iptables -m ipp2p --help\n"); ++ return 0; ++ } ++ return 1; ++} ++ ++ ++static void ++final_check(unsigned int flags) ++{ ++ if (!flags) ++ exit_error(PARAMETER_PROBLEM, ++ "\nipp2p-parameter problem: for ipp2p usage type: iptables -m ipp2p --help\n"); ++} ++ ++static void ++#ifdef _XTABLES_H ++print(const void *ip, ++ const struct xt_entry_match *match, ++#else ++print(const struct ipt_ip *ip, ++ const struct ipt_entry_match *match, ++#endif ++ int numeric) ++{ ++ struct ipt_p2p_info *info = (struct ipt_p2p_info *)match->data; ++ ++ printf("ipp2p v%s", IPP2P_VERSION); ++ if ((info->cmd & SHORT_HAND_IPP2P) == SHORT_HAND_IPP2P) printf(" --ipp2p"); ++// if ((info->cmd & SHORT_HAND_DATA) == SHORT_HAND_DATA) printf(" --ipp2p-data"); ++ if ((info->cmd & IPP2P_KAZAA) == IPP2P_KAZAA) printf(" --kazaa"); ++// if ((info->cmd & IPP2P_DATA_KAZAA) == IPP2P_DATA_KAZAA) printf(" --kazaa-data"); ++// if ((info->cmd & IPP2P_DATA_GNU) == IPP2P_DATA_GNU) printf(" --gnu-data"); ++ if ((info->cmd & IPP2P_GNU) == IPP2P_GNU) printf(" --gnu"); ++ if ((info->cmd & IPP2P_EDK) == IPP2P_EDK) printf(" --edk"); ++// if ((info->cmd & IPP2P_DATA_EDK) == IPP2P_DATA_EDK) printf(" --edk-data"); ++// if ((info->cmd & IPP2P_DATA_DC) == IPP2P_DATA_DC) printf(" --dc-data"); ++ if ((info->cmd & IPP2P_DC) == IPP2P_DC) printf(" --dc"); ++ if ((info->cmd & IPP2P_BIT) == IPP2P_BIT) printf(" --bit"); ++ if ((info->cmd & IPP2P_APPLE) == IPP2P_APPLE) printf(" --apple"); ++ if ((info->cmd & IPP2P_SOUL) == IPP2P_SOUL) printf(" --soul"); ++ if ((info->cmd & IPP2P_WINMX) == IPP2P_WINMX) printf(" --winmx"); ++ if ((info->cmd & IPP2P_ARES) == IPP2P_ARES) printf(" --ares"); ++ if ((info->cmd & IPP2P_MUTE) == IPP2P_MUTE) printf(" --mute"); ++ if ((info->cmd & IPP2P_WASTE) == IPP2P_WASTE) printf(" --waste"); ++ if ((info->cmd & IPP2P_XDCC) == IPP2P_XDCC) printf(" --xdcc"); ++ if (info->debug != 0) printf(" --debug"); ++ printf(" "); ++} ++ ++static void ++#ifdef _XTABLES_H ++save(const void *ip, ++ const struct xt_entry_match *match) ++#else ++save(const struct ipt_ip *ip, ++ const struct ipt_entry_match *match) ++#endif ++{ ++ struct ipt_p2p_info *info = (struct ipt_p2p_info *)match->data; ++ ++ if ((info->cmd & SHORT_HAND_IPP2P) == SHORT_HAND_IPP2P) printf("--ipp2p "); ++// if ((info->cmd & SHORT_HAND_DATA) == SHORT_HAND_DATA) printf("--ipp2p-data "); ++ if ((info->cmd & IPP2P_KAZAA) == IPP2P_KAZAA) printf("--kazaa "); ++// if ((info->cmd & IPP2P_DATA_KAZAA) == IPP2P_DATA_KAZAA) printf("--kazaa-data "); ++// if ((info->cmd & IPP2P_DATA_GNU) == IPP2P_DATA_GNU) printf("--gnu-data "); ++ if ((info->cmd & IPP2P_GNU) == IPP2P_GNU) printf("--gnu "); ++ if ((info->cmd & IPP2P_EDK) == IPP2P_EDK) printf("--edk "); ++// if ((info->cmd & IPP2P_DATA_EDK) == IPP2P_DATA_EDK) printf("--edk-data "); ++// if ((info->cmd & IPP2P_DATA_DC) == IPP2P_DATA_DC) printf("--dc-data "); ++ if ((info->cmd & IPP2P_DC) == IPP2P_DC) printf("--dc "); ++ if ((info->cmd & IPP2P_BIT) == IPP2P_BIT) printf("--bit "); ++ if ((info->cmd & IPP2P_APPLE) == IPP2P_APPLE) printf("--apple "); ++ if ((info->cmd & IPP2P_SOUL) == IPP2P_SOUL) printf("--soul "); ++ if ((info->cmd & IPP2P_WINMX) == IPP2P_WINMX) printf("--winmx "); ++ if ((info->cmd & IPP2P_ARES) == IPP2P_ARES) printf("--ares "); ++ if ((info->cmd & IPP2P_MUTE) == IPP2P_MUTE) printf(" --mute"); ++ if ((info->cmd & IPP2P_WASTE) == IPP2P_WASTE) printf(" --waste"); ++ if ((info->cmd & IPP2P_XDCC) == IPP2P_XDCC) printf(" --xdcc"); ++ if (info->debug != 0) printf("--debug "); ++} ++ ++ ++static ++struct xtables_match ipp2p= ++{ ++ .next = NULL, ++ .name = "ipp2p", ++ .version = XTABLES_VERSION, ++ .size = IPT_ALIGN(sizeof(struct ipt_p2p_info)), ++ .userspacesize = IPT_ALIGN(sizeof(struct ipt_p2p_info)), ++ .help = &help, ++ .init = &init, ++ .parse = &parse, ++ .final_check = &final_check, ++ .print = &print, ++ .save = &save, ++ .extra_opts = opts ++}; ++ ++ ++ ++void _init(void) ++{ ++ xtables_register_match(&ipp2p); ++} ++ +diff -Nur iptables-1.4.1.1/extensions/libipt_ipp2p.man iptables-1.4.1.1-owrt/extensions/libipt_ipp2p.man +--- iptables-1.4.1.1/extensions/libipt_ipp2p.man 1970-01-01 01:00:00.000000000 +0100 ++++ iptables-1.4.1.1-owrt/extensions/libipt_ipp2p.man 2008-10-10 00:10:50.000000000 +0200 +@@ -0,0 +1,43 @@ ++This module matches certain packets in P2P flows. It is not ++designed to match all packets belonging to a P2P connection - ++use IPP2P together with CONNMARK for this purpose. Also visit ++http://www.ipp2p.org for detailed information. ++ ++Use it together with -p tcp or -p udp to search these protocols ++only or without -p switch to search packets of both protocols. ++ ++IPP2P provides the following options: ++.TP ++.B "--edk " ++Matches as many eDonkey/eMule packets as possible. ++.TP ++.B "--kazaa " ++Matches as many KaZaA packets as possible. ++.TP ++.B "--gnu " ++Matches as many Gnutella packets as possible. ++.TP ++.B "--dc " ++Matches as many Direct Connect packets as possible. ++.TP ++.B "--bit " ++Matches BitTorrent packets. ++.TP ++.B "--apple " ++Matches AppleJuice packets. ++.TP ++.B "--soul " ++Matches some SoulSeek packets. Considered as beta, use careful! ++.TP ++.B "--winmx " ++Matches some WinMX packets. Considered as beta, use careful! ++.TP ++.B "--ares " ++Matches Ares and AresLite packets. Use together with -j DROP only. ++.TP ++.B "--ipp2p " ++Short hand for: --edk --kazaa --gnu --dc ++.TP ++.B "--debug " ++Prints some information about each hit into kernel logfile. May ++produce huge logfiles so beware! diff --git a/package/iptables/patches/1.4.1.1/002-layer7_2.17.patch b/package/iptables/patches/1.4.1.1/002-layer7_2.17.patch new file mode 100644 index 0000000000..ac6b1a4841 --- /dev/null +++ b/package/iptables/patches/1.4.1.1/002-layer7_2.17.patch @@ -0,0 +1,390 @@ +diff -Nur iptables.old/extensions/libxt_layer7.c iptables.new/extensions/libxt_layer7.c +--- iptables.old/extensions/libxt_layer7.c 1970-01-01 01:00:00.000000000 +0100 ++++ iptables.new/extensions/libxt_layer7.c 2008-08-22 16:00:52.000000000 +0200 +@@ -0,0 +1,368 @@ ++/* ++ Shared library add-on to iptables for layer 7 matching support. ++ ++ By Matthew Strait <quadong@users.sf.net>, Oct 2003-Aug 2008. ++ ++ http://l7-filter.sf.net ++ ++ 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. ++ http://www.gnu.org/licenses/gpl.txt ++*/ ++ ++#define _GNU_SOURCE ++#include <stdio.h> ++#include <netdb.h> ++#include <string.h> ++#include <stdlib.h> ++#include <getopt.h> ++#include <ctype.h> ++#include <dirent.h> ++ ++#include <xtables.h> ++#include <linux/netfilter/xt_layer7.h> ++ ++#define MAX_FN_LEN 256 ++ ++static char l7dir[MAX_FN_LEN] = "\0"; ++ ++/* Function which prints out usage message. */ ++static void help(void) ++{ ++ printf( ++ "layer7 match options:\n" ++ " --l7dir <directory> : Look for patterns here instead of /etc/l7-protocols/\n" ++ " (--l7dir must be specified before --l7proto if used)\n" ++ "[!] --l7proto <name>: Match named protocol using /etc/l7-protocols/.../name.pat\n"); ++} ++ ++static const struct option opts[] = { ++ { .name = "l7proto", .has_arg = 1, .val = 'p' }, ++ { .name = "l7dir", .has_arg = 1, .val = 'd' }, ++ { .name = NULL } ++}; ++ ++/* reads filename, puts protocol info into layer7_protocol_info, number of protocols to numprotos */ ++static int parse_protocol_file(char * filename, const char * protoname, struct xt_layer7_info *info) ++{ ++ FILE * f; ++ char * line = NULL; ++ size_t len = 0; ++ ++ enum { protocol, pattern, done } datatype = protocol; ++ ++ f = fopen(filename, "r"); ++ ++ if(!f) ++ return 0; ++ ++ while(getline(&line, &len, f) != -1) ++ { ++ if(strlen(line) < 2 || line[0] == '#') ++ continue; ++ ++ /* strip the pesky newline... */ ++ if(line[strlen(line) - 1] == '\n') ++ line[strlen(line) - 1] = '\0'; ++ ++ if(datatype == protocol) ++ { ++ /* Ignore everything on the line beginning with the ++ first space or tab . For instance, this allows the ++ protocol line in http.pat to be "http " (or ++ "http I am so cool") instead of just "http". */ ++ if(strchr(line, ' ')){ ++ char * space = strchr(line, ' '); ++ space[0] = '\0'; ++ } ++ if(strchr(line, '\t')){ ++ char * space = strchr(line, '\t'); ++ space[0] = '\0'; ++ } ++ ++ /* sanity check. First non-comment non-blank ++ line must be the same as the file name. */ ++ if(strcmp(line, protoname)) ++ exit_error(OTHER_PROBLEM, ++ "Protocol name (%s) doesn't match file name (%s). Bailing out\n", ++ line, filename); ++ ++ if(strlen(line) >= MAX_PROTOCOL_LEN) ++ exit_error(PARAMETER_PROBLEM, ++ "Protocol name in %s too long!", filename); ++ strncpy(info->protocol, line, MAX_PROTOCOL_LEN); ++ ++ datatype = pattern; ++ } ++ else if(datatype == pattern) ++ { ++ if(strlen(line) >= MAX_PATTERN_LEN) ++ exit_error(PARAMETER_PROBLEM, "Pattern in %s too long!", filename); ++ strncpy(info->pattern, line, MAX_PATTERN_LEN); ++ ++ datatype = done; ++ break; ++ } ++ else ++ exit_error(OTHER_PROBLEM, "Internal error"); ++ } ++ ++ if(datatype != done) ++ exit_error(OTHER_PROBLEM, "Failed to get all needed data from %s", filename); ++ ++ if(line) free(line); ++ fclose(f); ++ ++ return 1; ++} ++ ++static int hex2dec(char c) ++{ ++ switch (c) ++ { ++ case '0' ... '9': ++ return c - '0'; ++ case 'a' ... 'f': ++ return c - 'a' + 10; ++ case 'A' ... 'F': ++ return c - 'A' + 10; ++ default: ++ exit_error(OTHER_PROBLEM, "hex2dec: bad value!\n"); ++ return 0; ++ } ++} ++ ++/* takes a string with \xHH escapes and returns one with the characters ++they stand for */ ++static char * pre_process(char * s) ++{ ++ char * result = malloc(strlen(s) + 1); ++ int sindex = 0, rrindex = 0; ++ while( sindex < strlen(s) ) ++ { ++ if( sindex + 3 < strlen(s) && ++ s[sindex] == '\\' && s[sindex+1] == 'x' && ++ isxdigit(s[sindex + 2]) && isxdigit(s[sindex + 3]) ) ++ { ++ /* carefully remember to call tolower here... */ ++ result[rrindex] = tolower( hex2dec(s[sindex + 2])*16 + ++ hex2dec(s[sindex + 3] ) ); ++ ++ switch ( result[rrindex] ) ++ { ++ case 0x24: ++ case 0x28: ++ case 0x29: ++ case 0x2a: ++ case 0x2b: ++ case 0x2e: ++ case 0x3f: ++ case 0x5b: ++ case 0x5c: ++ case 0x5d: ++ case 0x5e: ++ case 0x7c: ++ fprintf(stderr, ++ "Warning: layer7 regexp contains a control character, %c, in hex (\\x%c%c).\n" ++ "I recommend that you write this as %c or \\%c, depending on what you meant.\n", ++ result[rrindex], s[sindex + 2], s[sindex + 3], result[rrindex], result[rrindex]); ++ break; ++ case 0x00: ++ fprintf(stderr, ++ "Warning: null (\\x00) in layer7 regexp. A null terminates the regexp string!\n"); ++ break; ++ default: ++ break; ++ } ++ ++ ++ sindex += 3; /* 4 total */ ++ } ++ else ++ result[rrindex] = tolower(s[sindex]); ++ ++ sindex++; ++ rrindex++; ++ } ++ result[rrindex] = '\0'; ++ ++ return result; ++} ++ ++#define MAX_SUBDIRS 128 ++static char ** readl7dir(char * dirname) ++{ ++ DIR * scratchdir; ++ struct dirent ** namelist; ++ char ** subdirs = malloc(MAX_SUBDIRS * sizeof(char *)); ++ ++ int n, d = 1; ++ subdirs[0] = ""; ++ ++ n = scandir(dirname, &namelist, 0, alphasort); ++ ++ if (n < 0) ++ { ++ perror("scandir"); ++ exit_error(OTHER_PROBLEM, "Couldn't open %s\n", dirname); ++ } ++ else ++ { ++ while(n--) ++ { ++ char fulldirname[MAX_FN_LEN]; ++ ++ snprintf(fulldirname, MAX_FN_LEN, "%s/%s", dirname, namelist[n]->d_name); ++ ++ if((scratchdir = opendir(fulldirname)) != NULL) ++ { ++ closedir(scratchdir); ++ ++ if(!strcmp(namelist[n]->d_name, ".") || ++ !strcmp(namelist[n]->d_name, "..")) ++ /* do nothing */ ; ++ else ++ { ++ subdirs[d] = malloc(strlen(namelist[n]->d_name) + 1); ++ strcpy(subdirs[d], namelist[n]->d_name); ++ d++; ++ if(d >= MAX_SUBDIRS - 1) ++ { ++ fprintf(stderr, ++ "Too many subdirectories, skipping the rest!\n"); ++ break; ++ } ++ } ++ } ++ free(namelist[n]); ++ } ++ free(namelist); ++ } ++ ++ subdirs[d] = NULL; ++ ++ return subdirs; ++} ++ ++static void parse_layer7_protocol(const char *s, struct xt_layer7_info *info) ++{ ++ char filename[MAX_FN_LEN]; ++ char * dir = NULL; ++ char ** subdirs; ++ int n = 0, done = 0; ++ ++ if(strlen(l7dir) > 0) dir = l7dir; ++ else dir = "/etc/l7-protocols"; ++ ++ subdirs = readl7dir(dir); ++ ++ while(subdirs[n] != NULL) ++ { ++ int c = snprintf(filename, MAX_FN_LEN, "%s/%s/%s.pat", dir, subdirs[n], s); ++ ++ if(c > MAX_FN_LEN) ++ exit_error(OTHER_PROBLEM, ++ "Filename beginning with %s is too long!\n", filename); ++ ++ /* read in the pattern from the file */ ++ if(parse_protocol_file(filename, s, info)){ ++ done = 1; ++ break; ++ } ++ ++ n++; ++ } ++ ++ if(!done) ++ exit_error(OTHER_PROBLEM, ++ "Couldn't find a pattern definition file for %s.\n", s); ++ ++ /* process \xHH escapes and tolower everything. (our regex lib has no ++ case insensitivity option.) */ ++ strncpy(info->pattern, pre_process(info->pattern), MAX_PATTERN_LEN); ++} ++ ++/* Function which parses command options; returns true if it ate an option */ ++static int parse(int c, char **argv, int invert, unsigned int *flags, ++ const void *entry, struct xt_entry_match **match) ++{ ++ struct xt_layer7_info *layer7info = ++ (struct xt_layer7_info *)(*match)->data; ++ ++ switch (c) { ++ case 'p': ++ parse_layer7_protocol(argv[optind-1], layer7info); ++ if (invert) ++ layer7info->invert = true; ++ *flags = 1; ++ break; ++ ++ case 'd': ++ if(strlen(argv[optind-1]) >= MAX_FN_LEN) ++ exit_error(PARAMETER_PROBLEM, "directory name too long\n"); ++ ++ strncpy(l7dir, argv[optind-1], MAX_FN_LEN); ++ ++ *flags = 1; ++ break; ++ ++ default: ++ return 0; ++ } ++ ++ return 1; ++} ++ ++/* Final check; must have specified --l7proto */ ++static void final_check(unsigned int flags) ++{ ++ if (!flags) ++ exit_error(PARAMETER_PROBLEM, ++ "LAYER7 match: You must specify `--l7proto'"); ++} ++ ++static void print_protocol(char s[], int invert, int numeric) ++{ ++ fputs("l7proto ", stdout); ++ if (invert) fputc('!', stdout); ++ printf("%s ", s); ++} ++ ++/* Prints out the matchinfo. */ ++static void print(const void *ip, ++ const struct xt_entry_match *match, ++ int numeric) ++{ ++ printf("LAYER7 "); ++ print_protocol(((struct xt_layer7_info *)match->data)->protocol, ++ ((struct xt_layer7_info *)match->data)->invert, numeric); ++} ++/* Saves the union ipt_matchinfo in parsable form to stdout. */ ++static void save(const void *ip, const struct xt_entry_match *match) ++{ ++ const struct xt_layer7_info *info = ++ (const struct xt_layer7_info*) match->data; ++ ++ printf("--l7proto %s%s ", (info->invert)? "! ":"", info->protocol); ++} ++ ++static struct xtables_match layer7 = { ++ .family = AF_INET, ++ .name = "layer7", ++ .version = XTABLES_VERSION, ++ .size = XT_ALIGN(sizeof(struct xt_layer7_info)), ++ .userspacesize = XT_ALIGN(sizeof(struct xt_layer7_info)), ++ .help = &help, ++ .parse = &parse, ++ .final_check = &final_check, ++ .print = &print, ++ .save = &save, ++ .extra_opts = opts ++}; ++ ++void _init(void) ++{ ++ xtables_register_match(&layer7); ++} +diff -Nur iptables.old/extensions/libxt_layer7.man iptables.new/extensions/libxt_layer7.man +--- iptables.old/extensions/libxt_layer7.man 1970-01-01 01:00:00.000000000 +0100 ++++ iptables.new/extensions/libxt_layer7.man 2008-08-22 16:00:52.000000000 +0200 +@@ -0,0 +1,14 @@ ++This module matches packets based on the application layer data of ++their connections. It uses regular expression matching to compare ++the application layer data to regular expressions found it the layer7 ++configuration files. This is an experimental module which can be found at ++http://l7-filter.sf.net. It takes two options. ++.TP ++.BI "--l7proto " "\fIprotocol\fP" ++Match the specified protocol. The protocol name must match a file ++name in /etc/l7-protocols/ or one of its first-level child directories. ++.TP ++.BI "--l7dir " "\fIdirectory\fP" ++Use \fIdirectory\fP instead of /etc/l7-protocols/. This option must be ++specified before --l7proto. ++ diff --git a/package/iptables/patches/1.4.1.1/005-imq1.patch b/package/iptables/patches/1.4.1.1/005-imq1.patch new file mode 100644 index 0000000000..3c96a3bc32 --- /dev/null +++ b/package/iptables/patches/1.4.1.1/005-imq1.patch @@ -0,0 +1,198 @@ +--- iptables-1.4.1-rc3.orig/extensions/.IMQ-test 1970-01-01 10:00:00.000000000 +1000 ++++ iptables-1.4.1-rc3/extensions/.IMQ-test 2008-06-08 22:41:49.000000000 +1000 +@@ -0,0 +1,3 @@ ++#!/bin/sh ++# True if IMQ target patch is applied. ++[ -f $KERNEL_DIR/include/linux/netfilter_ipv4/ipt_IMQ.h ] && echo IMQ +diff -pruN iptables-1.4.1-rc3.orig/extensions/.IMQ-test6 iptables-1.4.1-rc3/extensions/.IMQ-test6 +--- iptables-1.4.1-rc3.orig/extensions/.IMQ-test6 1970-01-01 10:00:00.000000000 +1000 ++++ iptables-1.4.1-rc3/extensions/.IMQ-test6 2008-06-08 22:41:49.000000000 +1000 +@@ -0,0 +1,3 @@ ++#!/bin/sh ++# True if IMQ target patch is applied. ++[ -f $KERNEL_DIR/include/linux/netfilter_ipv6/ip6t_IMQ.h ] && echo IMQ +diff -pruN iptables-1.4.1-rc3.orig/extensions/libip6t_IMQ.c iptables-1.4.1-rc3/extensions/libip6t_IMQ.c +--- iptables-1.4.1-rc3.orig/extensions/libip6t_IMQ.c 1970-01-01 10:00:00.000000000 +1000 ++++ iptables-1.4.1-rc3/extensions/libip6t_IMQ.c 2008-06-08 22:46:57.000000000 +1000 +@@ -0,0 +1,89 @@ ++/* Shared library add-on to iptables to add IMQ target support. */ ++#include <stdio.h> ++#include <string.h> ++#include <stdlib.h> ++#include <getopt.h> ++ ++#include <ip6tables.h> ++#include <linux/netfilter_ipv6/ip6_tables.h> ++#include <linux/netfilter_ipv6/ip6t_IMQ.h> ++ ++/* Function which prints out usage message. */ ++static void IMQ_help(void) ++{ ++ printf( ++"IMQ target v%s options:\n" ++" --todev <N> enqueue to imq<N>, defaults to 0\n", ++XTABLES_VERSION); ++} ++ ++static struct option IMQ_opts[] = { ++ { "todev", 1, 0, '1' }, ++ { 0 } ++}; ++ ++/* Initialize the target. */ ++static void IMQ_init(struct xt_entry_target *t) ++{ ++ struct ip6t_imq_info *mr = (struct ip6t_imq_info*)t->data; ++ ++ mr->todev = 0; ++} ++ ++/* Function which parses command options; returns true if it ++ ate an option */ ++static int IMQ_parse(int c, char **argv, int invert, unsigned int *flags, ++ const void *entry, ++ struct xt_entry_target **target) ++{ ++ struct ip6t_imq_info *mr = (struct ip6t_imq_info*)(*target)->data; ++ ++ switch(c) { ++ case '1': ++ if (check_inverse(optarg, &invert, NULL, 0)) ++ exit_error(PARAMETER_PROBLEM, ++ "Unexpected `!' after --todev"); ++ mr->todev=atoi(optarg); ++ break; ++ default: ++ return 0; ++ } ++ return 1; ++} ++ ++/* Prints out the targinfo. */ ++static void IMQ_print(const void *ip, ++ const struct xt_entry_target *target, ++ int numeric) ++{ ++ struct ip6t_imq_info *mr = (struct ip6t_imq_info*)target->data; ++ ++ printf("IMQ: todev %u ", mr->todev); ++} ++ ++/* Saves the union ipt_targinfo in parsable form to stdout. */ ++static void IMQ_save(const void *ip, const struct xt_entry_target *target) ++{ ++ struct ip6t_imq_info *mr = (struct ip6t_imq_info*)target->data; ++ ++ printf("--todev %u", mr->todev); ++} ++ ++static struct xtables_target imq = { ++ .name = "IMQ", ++ .version = XTABLES_VERSION, ++ .family = PF_INET6, ++ .size = XT_ALIGN(sizeof(struct ip6t_imq_info)), ++ .userspacesize = XT_ALIGN(sizeof(struct ip6t_imq_info)), ++ .help = IMQ_help, ++ .init = IMQ_init, ++ .parse = IMQ_parse, ++ .print = IMQ_print, ++ .save = IMQ_save, ++ .extra_opts = IMQ_opts, ++}; ++ ++void _init(void) ++{ ++ xtables_register_target(&imq); ++} +diff -pruN iptables-1.4.1-rc3.orig/extensions/libipt_IMQ.c iptables-1.4.1-rc3/extensions/libipt_IMQ.c +--- iptables-1.4.1-rc3.orig/extensions/libipt_IMQ.c 1970-01-01 10:00:00.000000000 +1000 ++++ iptables-1.4.1-rc3/extensions/libipt_IMQ.c 2008-06-08 22:46:25.000000000 +1000 +@@ -0,0 +1,88 @@ ++/* Shared library add-on to iptables to add IMQ target support. */ ++#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_ipv4/ipt_IMQ.h> ++ ++/* Function which prints out usage message. */ ++static void IMQ_help(void) ++{ ++ printf( ++"IMQ target v%s options:\n" ++" --todev <N> enqueue to imq<N>, defaults to 0\n", ++XTABLES_VERSION); ++} ++ ++static struct option IMQ_opts[] = { ++ { "todev", 1, 0, '1' }, ++ { 0 } ++}; ++ ++/* Initialize the target. */ ++static void IMQ_init(struct xt_entry_target *t) ++{ ++ struct ipt_imq_info *mr = (struct ipt_imq_info*)t->data; ++ ++ mr->todev = 0; ++} ++ ++/* Function which parses command options; returns true if it ++ ate an option */ ++static int IMQ_parse(int c, char **argv, int invert, unsigned int *flags, ++ const void *entry, struct xt_entry_target **target) ++{ ++ struct ipt_imq_info *mr = (struct ipt_imq_info*)(*target)->data; ++ ++ switch(c) { ++ case '1': ++ if (check_inverse(optarg, &invert, NULL, 0)) ++ exit_error(PARAMETER_PROBLEM, ++ "Unexpected `!' after --todev"); ++ mr->todev=atoi(optarg); ++ break; ++ default: ++ return 0; ++ } ++ return 1; ++} ++ ++/* Prints out the targinfo. */ ++static void IMQ_print(const void *ip, ++ const struct xt_entry_target *target, ++ int numeric) ++{ ++ struct ipt_imq_info *mr = (struct ipt_imq_info*)target->data; ++ ++ printf("IMQ: todev %u ", mr->todev); ++} ++ ++/* Saves the union ipt_targinfo in parsable form to stdout. */ ++static void IMQ_save(const void *ip, const struct xt_entry_target *target) ++{ ++ struct ipt_imq_info *mr = (struct ipt_imq_info*)target->data; ++ ++ printf("--todev %u", mr->todev); ++} ++ ++static struct xtables_target imq = { ++ .name = "IMQ", ++ .version = XTABLES_VERSION, ++ .family = PF_INET, ++ .size = XT_ALIGN(sizeof(struct ipt_imq_info)), ++ .userspacesize = XT_ALIGN(sizeof(struct ipt_imq_info)), ++ .help = IMQ_help, ++ .init = IMQ_init, ++ .parse = IMQ_parse, ++ .print = IMQ_print, ++ .save = IMQ_save, ++ .extra_opts = IMQ_opts, ++}; ++ ++void _init(void) ++{ ++ xtables_register_target(&imq); ++} diff --git a/package/iptables/patches/1.4.1.1/006-chaostables_0.8.patch b/package/iptables/patches/1.4.1.1/006-chaostables_0.8.patch new file mode 100644 index 0000000000..e1a7fca197 --- /dev/null +++ b/package/iptables/patches/1.4.1.1/006-chaostables_0.8.patch @@ -0,0 +1,393 @@ +Index: iptables-1.4.0/extensions/.CHAOS-testx +=================================================================== +--- /dev/null ++++ iptables-1.4.0/extensions/.CHAOS-testx +@@ -0,0 +1,3 @@ ++#! /bin/sh ++ ++[ -f "$KERNEL_DIR/include/linux/netfilter/xt_CHAOS.h" ] && echo "CHAOS" +Index: iptables-1.4.0/extensions/libxt_CHAOS.c +=================================================================== +--- /dev/null ++++ iptables-1.4.0/extensions/libxt_CHAOS.c +@@ -0,0 +1,114 @@ ++/* ++ * CHAOS target for iptables ++ * Copyright © CC Computer Consultants GmbH, 2006 - 2007 ++ * Contact: Jan Engelhardt <jengelh@computergmbh.de> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License; either version ++ * 2 or 3 as published by the Free Software Foundation. ++ */ ++#include <getopt.h> ++#include <stdbool.h> ++#include <stdio.h> ++#include <string.h> ++ ++#include <xtables.h> ++#include <linux/netfilter/x_tables.h> ++#include <linux/netfilter/xt_CHAOS.h> ++ ++enum { ++ F_DELUDE = 1 << 0, ++ F_TARPIT = 1 << 1, ++}; ++ ++static const struct option chaos_tg_opts[] = { ++ {.name = "delude", .has_arg = false, .val = 'd'}, ++ {.name = "tarpit", .has_arg = false, .val = 't'}, ++ {}, ++}; ++ ++static void chaos_tg_help(void) ++{ ++ printf( ++ "CHAOS target v%s options:\n" ++ " --delude Enable DELUDE processing for TCP\n" ++ " --tarpit Enable TARPIT processing for TCP\n", ++ XTABLES_VERSION); ++ return; ++} ++ ++static int chaos_tg_parse(int c, char **argv, int invert, unsigned int *flags, ++ const void *entry, struct xt_entry_target **target) ++{ ++ struct xt_chaos_target_info *info = (void *)((*target)->data); ++ switch (c) { ++ case 'd': ++ info->variant = XTCHAOS_DELUDE; ++ *flags |= F_DELUDE; ++ return true; ++ case 't': ++ info->variant = XTCHAOS_TARPIT; ++ *flags |= F_TARPIT; ++ return true; ++ } ++ return false; ++} ++ ++static void chaos_tg_check(unsigned int flags) ++{ ++ if ((flags & (F_DELUDE | F_TARPIT)) == (F_DELUDE | F_TARPIT)) ++ /* 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 chaos_tg_print(const void *ip, ++ const struct xt_entry_target *target, int numeric) ++{ ++ const struct xt_chaos_target_info *info = (const void *)target->data; ++ switch (info->variant) { ++ case XTCHAOS_DELUDE: ++ printf("DELUDE "); ++ break; ++ case XTCHAOS_TARPIT: ++ printf("TARPIT "); ++ break; ++ } ++ return; ++} ++ ++static void chaos_tg_save(const void *ip, const struct xt_entry_target *target) ++{ ++ const struct xt_chaos_target_info *info = (const void *)target->data; ++ switch (info->variant) { ++ case XTCHAOS_DELUDE: ++ printf("--delude "); ++ break; ++ case XTCHAOS_TARPIT: ++ printf("--tarpit "); ++ break; ++ } ++ return; ++} ++ ++static struct xtables_target chaos_tg_reg = { ++ .version = XTABLES_VERSION, ++ .name = "CHAOS", ++ .family = AF_INET, ++ .size = XT_ALIGN(sizeof(struct xt_chaos_target_info)), ++ .userspacesize = XT_ALIGN(sizeof(struct xt_chaos_target_info)), ++ .help = chaos_tg_help, ++ .parse = chaos_tg_parse, ++ .final_check = chaos_tg_check, ++ .print = chaos_tg_print, ++ .save = chaos_tg_save, ++ .extra_opts = chaos_tg_opts, ++}; ++ ++void _init(void) ++{ ++ xtables_register_target(&chaos_tg_reg); ++ return; ++} +Index: iptables-1.4.0/extensions/libxt_CHAOS.man +=================================================================== +--- /dev/null ++++ iptables-1.4.0/extensions/libxt_CHAOS.man +@@ -0,0 +1,18 @@ ++Causes confusion on the other end by doing odd things with incoming packets. ++CHAOS will randomly reply (or not) with one of its configurable subtargets: ++.TP ++\fB--delude\fR ++Use the REJECT and DELUDE targets as a base to do a sudden or deferred ++connection reset, fooling some network scanners to return non-deterministic ++(randomly open/closed) results, and in case it is deemed open, it is actually ++closed/filtered. ++.TP ++\fB--tarpit\fR ++Use the REJECT and TARPIT target as a base to hold the connection until it ++times out. This consumes conntrack entries when connection tracking is loaded ++(which usually is on most machines), and routers inbetween you and the Internet ++may fail to do their connection tracking if they have to handle more ++connections than they can. ++.PP ++The randomness factor of not replying vs. replying can be set during load-time ++of the xt_CHAOS module or during runtime in /sys/modules/xt_CHAOS/parameters. +Index: iptables-1.4.0/extensions/.DELUDE-testx +=================================================================== +--- /dev/null ++++ iptables-1.4.0/extensions/.DELUDE-testx +@@ -0,0 +1,3 @@ ++#! /bin/sh ++ ++[ -f "$KERNEL_DIR/net/netfilter/xt_DELUDE.c" ] && echo "DELUDE" +Index: iptables-1.4.0/extensions/libxt_DELUDE.c +=================================================================== +--- /dev/null ++++ iptables-1.4.0/extensions/libxt_DELUDE.c +@@ -0,0 +1,49 @@ ++/* ++ * DELUDE target for iptables ++ * Copyright © CC Computer Consultants GmbH, 2006 - 2007 ++ * Contact: Jan Engelhardt <jengelh@computergmbh.de> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License; either version ++ * 2 or 3 as published by the Free Software Foundation. ++ */ ++#include <getopt.h> ++#include <stdio.h> ++#include <string.h> ++ ++#include <xtables.h> ++#include <linux/netfilter/x_tables.h> ++ ++static void delude_tg_help(void) ++{ ++ printf("DELUDE takes no options\n"); ++ return; ++} ++ ++static int delude_tg_parse(int c, char **argv, int invert, unsigned int *flags, ++ const void *entry, struct xt_entry_target **target) ++{ ++ return 0; ++} ++ ++static void delude_tg_check(unsigned int flags) ++{ ++ return; ++} ++ ++static struct xtables_target delude_tg_reg = { ++ .version = XTABLES_VERSION, ++ .name = "DELUDE", ++ .family = AF_INET, ++ .size = XT_ALIGN(0), ++ .userspacesize = XT_ALIGN(0), ++ .help = delude_tg_help, ++ .parse = delude_tg_parse, ++ .final_check = delude_tg_check, ++}; ++ ++void _init(void) ++{ ++ xtables_register_target(&delude_tg_reg); ++ return; ++} +Index: iptables-1.4.0/extensions/libxt_DELUDE.man +=================================================================== +--- /dev/null ++++ iptables-1.4.0/extensions/libxt_DELUDE.man +@@ -0,0 +1,4 @@ ++The DELUDE target will reply to a SYN packet with SYN-ACK, and to all other ++packets with an RST. This will terminate the connection much like REJECT, but ++network scanners doing TCP half-open discovery can be spoofed to make them ++belive the port is open rather than closed/filtered. +Index: iptables-1.4.0/extensions/.portscan-testx +=================================================================== +--- /dev/null ++++ iptables-1.4.0/extensions/.portscan-testx +@@ -0,0 +1,3 @@ ++#! /bin/sh ++ ++[ -f "$KERNEL_DIR/include/linux/netfilter/xt_portscan.h" ] && echo "portscan" +Index: iptables-1.4.0/extensions/libxt_portscan.c +=================================================================== +--- /dev/null ++++ iptables-1.4.0/extensions/libxt_portscan.c +@@ -0,0 +1,127 @@ ++/* ++ * portscan match for iptables ++ * Copyright © CC Computer Consultants GmbH, 2006 - 2007 ++ * Contact: Jan Engelhardt <jengelh@computergmbh.de> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License; either version ++ * 2 or 3 as published by the Free Software Foundation. ++ */ ++#include <stdbool.h> ++#include <stdio.h> ++#include <string.h> ++#include <stdlib.h> ++#include <getopt.h> ++ ++#include <xtables.h> ++#include <iptables.h> ++#include <linux/netfilter/x_tables.h> ++#include <linux/netfilter/xt_portscan.h> ++ ++static const struct option portscan_mt_opts[] = { ++ {.name = "stealth", .has_arg = false, .val = 'x'}, ++ {.name = "synscan", .has_arg = false, .val = 's'}, ++ {.name = "cnscan", .has_arg = false, .val = 'c'}, ++ {.name = "grscan", .has_arg = false, .val = 'g'}, ++ {}, ++}; ++ ++static void portscan_mt_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", ++ XTABLES_VERSION); ++ return; ++} ++ ++static int portscan_mt_parse(int c, char **argv, int invert, ++ unsigned int *flags, const void *entry, struct xt_entry_match **match) ++{ ++ struct xt_portscan_match_info *info = (void *)((*match)->data); ++ ++ switch (c) { ++ case 'c': ++ info->match_cn = true; ++ return true; ++ case 'g': ++ info->match_gr = true; ++ return true; ++ case 's': ++ info->match_syn = true; ++ return true; ++ case 'x': ++ info->match_stealth = true; ++ return true; ++ } ++ return false; ++} ++ ++static void portscan_mt_check(unsigned int flags) ++{ ++ return; ++} ++ ++static void portscan_mt_print(const void *ip, ++ const struct xt_entry_match *match, int numeric) ++{ ++ const struct xt_portscan_match_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 portscan_mt_save(const void *ip, const struct xt_entry_match *match) ++{ ++ const struct xt_portscan_match_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 xtables_match portscan_mt_reg = { ++ .version = XTABLES_VERSION, ++ .name = "portscan", ++ .family = AF_INET, ++ .size = XT_ALIGN(sizeof(struct xt_portscan_match_info)), ++ .userspacesize = XT_ALIGN(sizeof(struct xt_portscan_match_info)), ++ .help = portscan_mt_help, ++ .parse = portscan_mt_parse, ++ .final_check = portscan_mt_check, ++ .print = portscan_mt_print, ++ .save = portscan_mt_save, ++ .extra_opts = portscan_mt_opts, ++}; ++ ++void _init(void) ++{ ++ xtables_register_match(&portscan_mt_reg); ++ return; ++} +Index: iptables-1.4.0/extensions/libxt_portscan.man +=================================================================== +--- /dev/null ++++ iptables-1.4.0/extensions/libxt_portscan.man +@@ -0,0 +1,27 @@ ++Detects simple port scan attemps based upon the packet's contents. (This is ++different from other implementations, which also try to match the rate of new ++connections.) Note that an attempt is only discovered after it has been carried ++out, but this information can be used in conjunction with other rules to block ++the remote host's future connections. So this match module will match on the ++(probably) last packet the remote side will send to your machine. ++.TP ++\fB--stealth\fR ++Match if the packet did not belong to any known TCP connection ++(Stealth/FIN/XMAS/NULL scan). ++.TP ++\fB--synscan\fR ++Match if the connection was a TCP half-open discovery (SYN scan), i.e. the ++connection was torn down after the 2nd packet in the 3-way handshake. ++.TP ++\fB--cnscan\fR ++Match if the connection was a TCP full open discovery (connect scan), i.e. the ++connection was torn down after completion of the 3-way handshake. ++.TP ++\fB--grscan\fR ++Match if data in the connection only flew in the direction of the remote side, ++e.g. if the connection was terminated after a locally running daemon sent its ++identification. (e.g. openssh) ++.PP ++NOTE: Some clients (Windows XP for example) may do what looks like a SYN scan, ++so be advised to carefully use xt_portscan in conjunction with blocking rules, ++as it may lock out your very own internal network. diff --git a/package/iptables/patches/1.4.1.1/007-tarpit_support.patch b/package/iptables/patches/1.4.1.1/007-tarpit_support.patch new file mode 100644 index 0000000000..1ff3cbf7b6 --- /dev/null +++ b/package/iptables/patches/1.4.1.1/007-tarpit_support.patch @@ -0,0 +1,106 @@ +Index: iptables-1.4.0/extensions/libxt_TARPIT.c +=================================================================== +--- /dev/null ++++ iptables-1.4.0/extensions/libxt_TARPIT.c +@@ -0,0 +1,55 @@ ++/* Shared library add-on to iptables to add TARPIT target support */ ++#include <stdio.h> ++#include <getopt.h> ++ ++#include <xtables.h> ++#include <linux/netfilter/x_tables.h> ++ ++static void TARPIT_help(void) ++{ ++ fputs( ++"TARPIT takes no options\n" ++"\n", stdout); ++} ++ ++static struct option TARPIT_opts[] = { ++ { 0 } ++}; ++ ++static int TARPIT_parse(int c, char **argv, int invert, unsigned int *flags, ++ const void *entry, struct xt_entry_target **target) ++{ ++ return 0; ++} ++ ++static void TARPIT_final_check(unsigned int flags) ++{ ++} ++ ++static void TARPIT_print(const void *ip, const struct xt_entry_target *target, ++ int numeric) ++{ ++} ++ ++static void TARPIT_save(const void *ip, const struct xt_entry_target *target) ++{ ++} ++ ++static struct xtables_target tarpit_target = { ++ .family = AF_INET, ++ .name = "TARPIT", ++ .version = XTABLES_VERSION, ++ .size = XT_ALIGN(0), ++ .userspacesize = XT_ALIGN(0), ++ .help = TARPIT_help, ++ .parse = TARPIT_parse, ++ .final_check = TARPIT_final_check, ++ .print = TARPIT_print, ++ .save = TARPIT_save, ++ .extra_opts = TARPIT_opts ++}; ++ ++void _init(void) ++{ ++ xtables_register_target(&tarpit_target); ++} +Index: iptables-1.4.0/extensions/libxt_TARPIT.man +=================================================================== +--- /dev/null ++++ iptables-1.4.0/extensions/libxt_TARPIT.man +@@ -0,0 +1,34 @@ ++Captures and holds incoming TCP connections using no local ++per-connection resources. Connections are accepted, but immediately ++switched to the persist state (0 byte window), in which the remote ++side stops sending data and asks to continue every 60-240 seconds. ++Attempts to close the connection are ignored, forcing the remote side ++to time out the connection in 12-24 minutes. ++ ++This offers similar functionality to LaBrea ++<http://www.hackbusters.net/LaBrea/> but doesn't require dedicated ++hardware or IPs. Any TCP port that you would normally DROP or REJECT ++can instead become a tarpit. ++ ++To tarpit connections to TCP port 80 destined for the current machine: ++.IP ++iptables -A INPUT -p tcp -m tcp --dport 80 -j TARPIT ++.P ++To significantly slow down Code Red/Nimda-style scans of unused address ++space, forward unused ip addresses to a Linux box not acting as a router ++(e.g. "ip route 10.0.0.0 255.0.0.0 ip.of.linux.box" on a Cisco), enable IP ++forwarding on the Linux box, and add: ++.IP ++iptables -A FORWARD -p tcp -j TARPIT ++.IP ++iptables -A FORWARD -j DROP ++.TP ++NOTE: ++If you use the conntrack module while you are using TARPIT, you should ++also use the NOTRACK target, or the kernel will unnecessarily allocate ++resources for each TARPITted connection. To TARPIT incoming ++connections to the standard IRC port while using conntrack, you could: ++.IP ++iptables -t raw -A PREROUTING -p tcp --dport 6667 -j NOTRACK ++.IP ++iptables -A INPUT -p tcp --dport 6667 -j TARPIT +Index: iptables-1.4.0/extensions/.TARPIT-testx +=================================================================== +--- /dev/null ++++ iptables-1.4.0/extensions/.TARPIT-testx +@@ -0,0 +1,2 @@ ++#! /bin/sh ++[ -f "$KERNEL_DIR/net/netfilter/xt_TARPIT.c" ] && echo "TARPIT" |