diff options
Diffstat (limited to 'package/iptables')
15 files changed, 2097 insertions, 571 deletions
diff --git a/package/iptables/Makefile b/package/iptables/Makefile index 8f24a3b3d..ff55ce590 100644 --- a/package/iptables/Makefile +++ b/package/iptables/Makefile @@ -1,5 +1,5 @@ -# -# Copyright (C) 2006 OpenWrt.org +# +# Copyright (C) 2006-2008 OpenWrt.org # # This is free software, licensed under the GNU General Public License v2. # See /LICENSE for more information. @@ -10,15 +10,28 @@ include $(TOPDIR)/rules.mk include $(INCLUDE_DIR)/kernel.mk PKG_NAME:=iptables -PKG_VERSION:=1.3.8 -PKG_RELEASE:=2 + +ifeq ($(CONFIG_LINUX_2_4),y) + PKG_VERSION:=1.3.8 + PKG_RELEASE:=3 + PKG_MD5SUM:=0a9209f928002e5eee9cdff8fef4d4b3 +endif + +ifeq ($(CONFIG_LINUX_2_6),y) + PKG_VERSION:=1.4.0 + PKG_RELEASE:=1 + PKG_MD5SUM:=90cfa8a554a29b0b859a625e701af2a7 +endif + +PKG_VERSION?=<IPTABLES_VERSION> PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2 PKG_SOURCE_URL:=http://www.netfilter.org/projects/iptables/files \ ftp://ftp.be.netfilter.org/pub/netfilter/iptables/ \ ftp://ftp.de.netfilter.org/pub/netfilter/iptables/ \ ftp://ftp.no.netfilter.org/pub/netfilter/iptables/ -PKG_MD5SUM:=0a9209f928002e5eee9cdff8fef4d4b3 + +PATCH_DIR:=./patches/$(PKG_VERSION) include $(INCLUDE_DIR)/package.mk ifeq ($(DUMP),) @@ -33,6 +46,11 @@ define Package/iptables/Default URL:=http://netfilter.org/ endef +define Package/iptables/Module +$(call Package/iptables/Default) + DEPENDS:=iptables $(1) +endef + define Package/iptables $(call Package/iptables/Default) TITLE:=IPv4 firewall administration tool @@ -45,8 +63,7 @@ define Package/iptables/conffiles endef define Package/iptables-mod-conntrack -$(call Package/iptables/Default) - DEPENDS:=iptables +kmod-ipt-conntrack +$(call Package/iptables/Module, +kmod-ipt-conntrack) TITLE:=connection tracking modules endef @@ -59,39 +76,36 @@ define Package/iptables-mod-conntrack/description endef define Package/iptables-mod-filter -$(call Package/iptables/Default) - DEPENDS:=iptables +kmod-ipt-filter +$(call Package/iptables/Module, +kmod-ipt-filter) TITLE:=filter modules endef define Package/iptables-mod-filter/description iptables extensions for packet content inspection. - Includes: + Includes: - libipt_ipp2p - - libipt_layer7 + - libipt_layer7 endef define Package/iptables-mod-imq -$(call Package/iptables/Default) - DEPENDS:=iptables +kmod-ipt-imq +$(call Package/iptables/Module, +kmod-ipt-imq) TITLE:=IMQ support endef define Package/iptables-mod-imq/description iptables extension for IMQ support. - Includes: + Includes: - libipt_IMQ endef define Package/iptables-mod-ipopt -$(call Package/iptables/Default) - DEPENDS:=iptables +kmod-ipt-ipopt +$(call Package/iptables/Module, +kmod-ipt-ipopt) TITLE:=IP/Packet option modules endef define Package/iptables-mod-ipopt/description iptables extensions for matching/changing IP packet options.\\\ - Includes: + Includes: - libipt_CLASSIFY - libipt_dscp/DSCP - libipt_ecn/ECN @@ -102,68 +116,63 @@ define Package/iptables-mod-ipopt/description - libipt_tcpmms - libipt_tos/TOS - libipt_ttl/TTL - - libipt_unclean + - libipt_unclean endef define Package/iptables-mod-ipsec -$(call Package/iptables/Default) - DEPENDS:=iptables +kmod-ipt-ipsec +$(call Package/iptables/Module, +kmod-ipt-ipsec) TITLE:=IPSec extensions endef define Package/iptables-mod-ipsec/description iptables extensions for matching ipsec traffic. - Includes: + Includes: - libipt_ah - libipt_esp - libipt_policy endef define Package/iptables-mod-nat -$(call Package/iptables/Default) - DEPENDS:=iptables +kmod-ipt-nat +$(call Package/iptables/Module, +kmod-ipt-nat) TITLE:=extra NAT targets endef define Package/iptables-mod-nat/description iptables extensions for different NAT targets. - Includes: + Includes: - libipt_REDIRECT endef define Package/iptables-mod-ulog -$(call Package/iptables/Default) - DEPENDS:=iptables +kmod-ipt-ulog +$(call Package/iptables/Module, +kmod-ipt-ulog) TITLE:=user-space packet logging endef define Package/iptables-mod-ulog/description iptables extensions for user-space packet logging. - Includes: + Includes: - libipt_ULOG endef define Package/iptables-mod-iprange -$(call Package/iptables/Default) - DEPENDS:=iptables +kmod-ipt-iprange +$(call Package/iptables/Module, +kmod-ipt-iprange) TITLE:=ip range module endef define Package/iptables-mod-iprange/description iptables extensions for matching ip ranges. - Includes: + Includes: - libipt_iprange endef define Package/iptables-mod-extra -$(call Package/iptables/Default) - DEPENDS:=iptables +kmod-ipt-extra +$(call Package/iptables/Module, +kmod-ipt-extra) TITLE:=other extra iptables extensions endef define Package/iptables-mod-extra/description other extra iptables extensions. - Includes: + Includes: - libipt_limit - libipt_owner - libipt_physdev @@ -177,37 +186,36 @@ define Package/iptables-mod-extra/description endef define Package/iptables-mod-ipset -$(call Package/iptables/Default) - DEPENDS:=iptables +kmod-ipt-ipset +$(call Package/iptables/Module, +kmod-ipt-ipset) TITLE:=ipset iptables extension endef define Package/iptables-utils -$(call Package/iptables/Default) - DEPENDS:=iptables +$(call Package/iptables/Module, ) TITLE:=iptables save and restore utilities endef define Package/ip6tables $(call Package/iptables/Default) - DEPENDS:=+kmod-ipv6 - CATEGORY:=Network + DEPENDS:=+kmod-ip6tables + CATEGORY:=IPv6 TITLE:=IPv6 firewall administration tool + MENU:=1 endef define Package/ip6tables-utils $(call Package/iptables/Default) DEPENDS:=ip6tables - CATEGORY:=Network + CATEGORY:=IPv6 TITLE:=ip6tables save and restore utilities endef define Build/Prepare $(call Build/Prepare/Default) - chmod a+x $(PKG_BUILD_DIR)/extensions/.*-test* endef define Build/Configure + chmod a+x $(PKG_BUILD_DIR)/extensions/.*-test* rm -f $(PKG_BUILD_DIR)/.configured* $(MAKE) -C $(PKG_BUILD_DIR) \ clean @@ -220,6 +228,7 @@ define Build/Compile COPT_FLAGS="$(TARGET_CFLAGS)" \ LDFLAGS="-rdynamic -static-libgcc" \ KERNEL_DIR="$(LINUX_DIR)" PREFIX=/usr \ + KBUILD_OUTPUT="$(LINUX_DIR)" \ DESTDIR="$(PKG_INSTALL_DIR)" \ all experimental install install-experimental endef @@ -229,6 +238,7 @@ define Build/InstallDev $(TARGET_CONFIGURE_OPTS) \ COPT_FLAGS="$(TARGET_CFLAGS)" \ KERNEL_DIR="$(LINUX_DIR)" PREFIX=/usr \ + KBUILD_OUTPUT="$(LINUX_DIR)" \ DESTDIR="$(1)" \ install-devel $(CP) $(PKG_BUILD_DIR)/include $(1)/usr @@ -247,7 +257,11 @@ define Package/iptables/install $(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/iptables $(1)/usr/sbin/ $(INSTALL_DIR) $(1)/usr/lib/iptables (cd $(PKG_INSTALL_DIR)/usr/lib/iptables ; \ - $(CP) $(patsubst %,lib%.so,$(IPT_BUILTIN:xt_%=ipt_%)) $(1)/usr/lib/iptables/ \ + for m in $(patsubst xt_%,ipt_%,$(IPT_BUILTIN)) $(patsubst ipt_%,xt_%,$(IPT_BUILTIN)); do \ + if [ -f $(PKG_INSTALL_DIR)/usr/lib/iptables/lib$$$${m}.so ]; then \ + $(CP) $(PKG_INSTALL_DIR)/usr/lib/iptables/lib$$$${m}.so $(1)/usr/lib/iptables/ ;\ + fi; \ + done \ ) endef @@ -273,8 +287,10 @@ endef define BuildPlugin define Package/$(1)/install $(INSTALL_DIR) $$(1)/usr/lib/iptables - for m in $$(patsubst xt_%,ipt_%,$(2)); do \ - $(CP) $(PKG_INSTALL_DIR)/usr/lib/iptables/lib$$$$$$$${m}.so $$(1)/usr/lib/iptables/ ; \ + for m in $(patsubst xt_%,ipt_%,$(2)) $(patsubst ipt_%,xt_%,$(2)); do \ + if [ -f $(PKG_INSTALL_DIR)/usr/lib/iptables/lib$$$$$$$${m}.so ]; then \ + $(CP) $(PKG_INSTALL_DIR)/usr/lib/iptables/lib$$$$$$$${m}.so $$(1)/usr/lib/iptables/ ; \ + fi; \ done $(3) endef diff --git a/package/iptables/patches/008-chaostables.patch b/package/iptables/patches/008-chaostables.patch deleted file mode 100644 index 60b077942..000000000 --- a/package/iptables/patches/008-chaostables.patch +++ /dev/null @@ -1,342 +0,0 @@ -Index: iptables-1.3.8/extensions/.CHAOS-test -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ iptables-1.3.8/extensions/.CHAOS-test 2007-07-31 15:27:57.000000000 -0500 -@@ -0,0 +1,2 @@ -+#!/bin/sh -+[ -f "$KERNEL_DIR/include/linux/netfilter/xt_CHAOS.h" ] && echo "CHAOS"; -Index: iptables-1.3.8/extensions/.DELUDE-test -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ iptables-1.3.8/extensions/.DELUDE-test 2007-07-31 15:27:57.000000000 -0500 -@@ -0,0 +1,2 @@ -+#!/bin/sh -+echo "DELUDE"; -Index: iptables-1.3.8/extensions/libipt_CHAOS.c -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ iptables-1.3.8/extensions/libipt_CHAOS.c 2007-07-31 15:27:57.000000000 -0500 -@@ -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; -+} -Index: iptables-1.3.8/extensions/libipt_DELUDE.c -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ iptables-1.3.8/extensions/libipt_DELUDE.c 2007-07-31 15:27:57.000000000 -0500 -@@ -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; -+} -Index: iptables-1.3.8/extensions/libipt_portscan.c -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ iptables-1.3.8/extensions/libipt_portscan.c 2007-07-31 15:27:57.000000000 -0500 -@@ -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; -+} -Index: iptables-1.3.8/extensions/.portscan-test -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ iptables-1.3.8/extensions/.portscan-test 2007-07-31 15:27:57.000000000 -0500 -@@ -0,0 +1,2 @@ -+#!/bin/sh -+[ -f "$KERNEL_DIR/include/linux/netfilter/xt_portscan.h" ] && echo "portscan"; diff --git a/package/iptables/patches/009-tarpit-support.patch b/package/iptables/patches/009-tarpit-support.patch deleted file mode 100644 index 310537987..000000000 --- a/package/iptables/patches/009-tarpit-support.patch +++ /dev/null @@ -1,106 +0,0 @@ -diff -N -u -r iptables-1.3.8-20070817/extensions/libipt_TARPIT.c iptables-1.3.8-20070817-nf/extensions/libipt_TARPIT.c ---- iptables-1.3.8-20070817/extensions/libipt_TARPIT.c 1969-12-31 19:00:00.000000000 -0500 -+++ iptables-1.3.8-20070817-nf/extensions/libipt_TARPIT.c 2007-08-18 14:49:25.000000000 -0400 -@@ -0,0 +1,58 @@ -+/* Shared library add-on to iptables for TARPIT support */ -+#include <stdio.h> -+#include <getopt.h> -+#include <iptables.h> -+ -+static void -+help(void) -+{ -+ fputs( -+"TARPIT takes no options\n" -+"\n", stdout); -+} -+ -+static struct option opts[] = { -+ { 0 } -+}; -+ -+static int -+parse(int c, char **argv, int invert, unsigned int *flags, -+ const struct ipt_entry *entry, -+ struct ipt_entry_target **target) -+{ -+ return 0; -+} -+ -+static void final_check(unsigned int flags) -+{ -+} -+ -+static void -+print(const struct ipt_ip *ip, -+ const struct ipt_entry_target *target, -+ int numeric) -+{ -+} -+ -+static void save(const struct ipt_ip *ip, const struct ipt_entry_target *target) -+{ -+} -+ -+static struct iptables_target tarpit = { -+ .next = NULL, -+ .name = "TARPIT", -+ .version = IPTABLES_VERSION, -+ .size = IPT_ALIGN(0), -+ .userspacesize = IPT_ALIGN(0), -+ .help = &help, -+ .parse = &parse, -+ .final_check = &final_check, -+ .print = &print, -+ .save = &save, -+ .extra_opts = opts -+}; -+ -+void _init(void) -+{ -+ register_target(&tarpit); -+} -diff -N -u -r iptables-1.3.8-20070817/extensions/libipt_TARPIT.man iptables-1.3.8-20070817-nf/extensions/libipt_TARPIT.man ---- iptables-1.3.8-20070817/extensions/libipt_TARPIT.man 1969-12-31 19:00:00.000000000 -0500 -+++ iptables-1.3.8-20070817-nf/extensions/libipt_TARPIT.man 2007-08-18 14:49:25.000000000 -0400 -@@ -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 -diff -N -u -r iptables-1.3.8-20070817/extensions/.TARPIT-test iptables-1.3.8-20070817-nf/extensions/.TARPIT-test ---- iptables-1.3.8-20070817/extensions/.TARPIT-test 1969-12-31 19:00:00.000000000 -0500 -+++ iptables-1.3.8-20070817-nf/extensions/.TARPIT-test 2007-08-18 14:49:25.000000000 -0400 -@@ -0,0 +1,2 @@ -+#! /bin/sh -+[ -f $KERNEL_DIR/net/netfilter/xt_TARPIT.c ] && echo TARPIT diff --git a/package/iptables/patches/001-ipp2p-0.8.1rc1.patch b/package/iptables/patches/1.3.8/001-ipp2p_0.8.1rc1.patch index 7ca62d214..e8c82c215 100644 --- a/package/iptables/patches/001-ipp2p-0.8.1rc1.patch +++ b/package/iptables/patches/1.3.8/001-ipp2p_0.8.1rc1.patch @@ -1,8 +1,8 @@ Index: iptables-1.3.8/extensions/Makefile =================================================================== ---- iptables-1.3.8.orig/extensions/Makefile 2007-07-31 15:27:55.000000000 -0500 -+++ iptables-1.3.8/extensions/Makefile 2007-07-31 15:27:55.000000000 -0500 -@@ -13,6 +13,10 @@ +--- iptables-1.3.8.orig/extensions/Makefile ++++ iptables-1.3.8/extensions/Makefile +@@ -13,6 +13,10 @@ PF_EXT_SE_SLIB:=SECMARK CONNSECMARK PF6_EXT_SE_SLIB:=SECMARK CONNSECMARK endif @@ -15,8 +15,8 @@ Index: iptables-1.3.8/extensions/Makefile PF6_EXT_SLIB_OPTS:=$(foreach T,$(wildcard extensions/.*-test6),$(shell KERNEL_DIR=$(KERNEL_DIR) $(T))) Index: iptables-1.3.8/extensions/libipt_ipp2p.c =================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ iptables-1.3.8/extensions/libipt_ipp2p.c 2007-07-31 15:27:55.000000000 -0500 +--- /dev/null ++++ iptables-1.3.8/extensions/libipt_ipp2p.c @@ -0,0 +1,401 @@ + +#include <stdio.h> @@ -421,8 +421,8 @@ Index: iptables-1.3.8/extensions/libipt_ipp2p.c + Index: iptables-1.3.8/include/linux/netfilter_ipv4/ipt_ipp2p.h =================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ iptables-1.3.8/include/linux/netfilter_ipv4/ipt_ipp2p.h 2007-07-31 15:27:55.000000000 -0500 +--- /dev/null ++++ iptables-1.3.8/include/linux/netfilter_ipv4/ipt_ipp2p.h @@ -0,0 +1,31 @@ +#ifndef __IPT_IPP2P_H +#define __IPT_IPP2P_H diff --git a/package/iptables/patches/002-layer7-1.5nbd.patch b/package/iptables/patches/1.3.8/002-layer7_2.17.patch index ef80c8f0c..68da741e0 100644 --- a/package/iptables/patches/002-layer7-1.5nbd.patch +++ b/package/iptables/patches/1.3.8/002-layer7_2.17.patch @@ -1,48 +1,15 @@ Index: iptables-1.3.8/extensions/.layer7-test =================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ iptables-1.3.8/extensions/.layer7-test 2007-07-31 15:27:56.000000000 -0500 -@@ -0,0 +1,3 @@ +--- /dev/null ++++ iptables-1.3.8/extensions/.layer7-test +@@ -0,0 +1,2 @@ +#! /bin/sh +[ -f $KERNEL_DIR/include/linux/netfilter_ipv4/ipt_layer7.h ] && echo layer7 -+[ -f $KERNEL_DIR/include/linux/netfilter/xt_layer7.h ] && echo layer7 -Index: iptables-1.3.8/extensions/ipt_layer7.h -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ iptables-1.3.8/extensions/ipt_layer7.h 2007-07-31 15:27:56.000000000 -0500 -@@ -0,0 +1,27 @@ -+/* -+ By Matthew Strait <quadong@users.sf.net>, Dec 2003. -+ 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 -+*/ -+ -+#ifndef _IPT_LAYER7_H -+#define _IPT_LAYER7_H -+ -+#define MAX_PATTERN_LEN 8192 -+#define MAX_PROTOCOL_LEN 256 -+ -+typedef char *(*proc_ipt_search) (char *, char, char *); -+ -+struct ipt_layer7_info { -+ char protocol[MAX_PROTOCOL_LEN]; -+ char invert:1; -+ char pattern[MAX_PATTERN_LEN]; -+ char pkt; -+}; -+ -+#endif /* _IPT_LAYER7_H */ Index: iptables-1.3.8/extensions/libipt_layer7.c =================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ iptables-1.3.8/extensions/libipt_layer7.c 2007-07-31 15:27:56.000000000 -0500 -@@ -0,0 +1,358 @@ +--- /dev/null ++++ iptables-1.3.8/extensions/libipt_layer7.c +@@ -0,0 +1,394 @@ +/* + Shared library add-on to iptables to add layer 7 matching support. + @@ -69,7 +36,7 @@ Index: iptables-1.3.8/extensions/libipt_layer7.c +#include <dirent.h> + +#include <iptables.h> -+#include "ipt_layer7.h" ++#include <linux/netfilter_ipv4/ipt_layer7.h> + +#define MAX_FN_LEN 256 + @@ -82,8 +49,7 @@ Index: iptables-1.3.8/extensions/libipt_layer7.c + "LAYER7 match v%s 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 the protocol defined in /etc/l7-protocols/name.pat\n" -+ "--l7pkt : Skip connection tracking and match individual packets\n", ++ "--l7proto [!] <name> : Match the protocol defined in /etc/l7-protocols/name.pat\n", + IPTABLES_VERSION); + fputc('\n', stdout); +} @@ -91,7 +57,6 @@ Index: iptables-1.3.8/extensions/libipt_layer7.c +static struct option opts[] = { + { .name = "l7proto", .has_arg = 1, .flag = 0, .val = '1' }, + { .name = "l7dir", .has_arg = 1, .flag = 0, .val = '2' }, -+ { .name = "l7pkt", .has_arg = 0, .flag = 0, .val = '3' }, + { .name = 0 } +}; + @@ -120,10 +85,25 @@ Index: iptables-1.3.8/extensions/libipt_layer7.c + + 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", -+ protoname, filename); ++ line, filename); + + if(strlen(line) >= MAX_PROTOCOL_LEN) + exit_error(PARAMETER_PROBLEM, @@ -191,6 +171,35 @@ Index: iptables-1.3.8/extensions/libipt_layer7.c + /* carefully remember to call tolower here... */ + result[rindex] = tolower( hex2dec(s[sindex + 2])*16 + + hex2dec(s[sindex + 3] ) ); ++ ++ switch ( result[rindex] ) ++ { ++ 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[rindex], s[sindex + 2], s[sindex + 3], result[rindex], result[rindex]); ++ 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 @@ -336,9 +345,6 @@ Index: iptables-1.3.8/extensions/libipt_layer7.c + + *flags = 1; + break; -+ case '3': -+ layer7info->pkt = 1; -+ break; + + default: + return 0; @@ -347,12 +353,12 @@ Index: iptables-1.3.8/extensions/libipt_layer7.c + return 1; +} + -+/* Final check; must have specified --pattern. */ ++/* Final check; must have specified --l7proto */ +static void final_check(unsigned int flags) +{ + if (!flags) + exit_error(PARAMETER_PROBLEM, -+ "LAYER7 match: You must specify `--pattern'"); ++ "LAYER7 match: You must specify `--l7proto'"); +} + +static void print_protocol(char s[], int invert, int numeric) @@ -371,9 +377,6 @@ Index: iptables-1.3.8/extensions/libipt_layer7.c + + print_protocol(((struct ipt_layer7_info *)match->data)->protocol, + ((struct ipt_layer7_info *)match->data)->invert, numeric); -+ -+ if (((struct ipt_layer7_info *)match->data)->pkt) -+ printf("l7pkt "); +} +/* Saves the union ipt_matchinfo in parsable form to stdout. */ +static void save(const struct ipt_ip *ip, const struct ipt_entry_match *match) @@ -403,9 +406,9 @@ Index: iptables-1.3.8/extensions/libipt_layer7.c +} Index: iptables-1.3.8/extensions/libipt_layer7.man =================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ iptables-1.3.8/extensions/libipt_layer7.man 2007-07-31 15:27:56.000000000 -0500 -@@ -0,0 +1,13 @@ +--- /dev/null ++++ iptables-1.3.8/extensions/libipt_layer7.man +@@ -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 @@ -414,8 +417,9 @@ Index: iptables-1.3.8/extensions/libipt_layer7.man +.TP +.BI "--l7proto " "\fIprotocol\fP" +Match the specified protocol. The protocol name must match a file -+name in /etc/l7-protocols/ ++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/ ++Use \fIdirectory\fP instead of /etc/l7-protocols/. This option must be ++specified before --l7proto. + diff --git a/package/iptables/patches/1.3.8/003-layer7_2.17_pktmatch.patch b/package/iptables/patches/1.3.8/003-layer7_2.17_pktmatch.patch new file mode 100644 index 000000000..c88f75963 --- /dev/null +++ b/package/iptables/patches/1.3.8/003-layer7_2.17_pktmatch.patch @@ -0,0 +1,42 @@ +Index: iptables-1.3.8/extensions/libipt_layer7.c +=================================================================== +--- iptables-1.3.8.orig/extensions/libipt_layer7.c ++++ iptables-1.3.8/extensions/libipt_layer7.c +@@ -37,7 +37,8 @@ static void help(void) + "LAYER7 match v%s 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 the protocol defined in /etc/l7-protocols/name.pat\n", ++ "--l7proto [!] <name> : Match the protocol defined in /etc/l7-protocols/name.pat\n" ++ "--l7pkt : Skip connection tracking and match individual packets\n", + IPTABLES_VERSION); + fputc('\n', stdout); + } +@@ -45,6 +46,7 @@ static void help(void) + static struct option opts[] = { + { .name = "l7proto", .has_arg = 1, .flag = 0, .val = '1' }, + { .name = "l7dir", .has_arg = 1, .flag = 0, .val = '2' }, ++ { .name = "l7pkt", .has_arg = 0, .flag = 0, .val = '3' }, + { .name = 0 } + }; + +@@ -333,6 +335,9 @@ static int parse(int c, char **argv, int + + *flags = 1; + break; ++ case '3': ++ layer7info->pkt = 1; ++ break; + + default: + return 0; +@@ -365,6 +370,9 @@ static void print(const struct ipt_ip *i + + print_protocol(((struct ipt_layer7_info *)match->data)->protocol, + ((struct ipt_layer7_info *)match->data)->invert, numeric); ++ ++ if (((struct ipt_layer7_info *)match->data)->pkt) ++ printf("l7pkt "); + } + /* Saves the union ipt_matchinfo in parsable form to stdout. */ + static void save(const struct ipt_ip *ip, const struct ipt_entry_match *match) diff --git a/package/iptables/patches/004-multiport_v1.patch b/package/iptables/patches/1.3.8/004-drop_multiport_v0_support.patch index 1acfe2484..e5cbeb6f3 100644 --- a/package/iptables/patches/004-multiport_v1.patch +++ b/package/iptables/patches/1.3.8/004-drop_multiport_v0_support.patch @@ -1,7 +1,7 @@ Index: iptables-1.3.8/extensions/libipt_multiport.c =================================================================== ---- iptables-1.3.8.orig/extensions/libipt_multiport.c 2007-07-31 15:27:55.000000000 -0500 -+++ iptables-1.3.8/extensions/libipt_multiport.c 2007-07-31 15:27:56.000000000 -0500 +--- iptables-1.3.8.orig/extensions/libipt_multiport.c ++++ iptables-1.3.8/extensions/libipt_multiport.c @@ -8,24 +8,6 @@ /* To ensure that iptables compiles with an old kernel */ #include "../include/linux/netfilter_ipv4/ipt_multiport.h" @@ -27,7 +27,7 @@ Index: iptables-1.3.8/extensions/libipt_multiport.c static void help_v1(void) { -@@ -70,26 +52,6 @@ +@@ -70,26 +52,6 @@ proto_to_name(u_int8_t proto) } } @@ -54,7 +54,7 @@ Index: iptables-1.3.8/extensions/libipt_multiport.c static void parse_multi_ports_v1(const char *portstring, struct ipt_multiport_v1 *multiinfo, -@@ -156,58 +118,6 @@ +@@ -156,58 +118,6 @@ check_proto(const struct ipt_entry *entr "multiport only works with TCP, UDP, UDPLITE, SCTP and DCCP"); } @@ -113,7 +113,7 @@ Index: iptables-1.3.8/extensions/libipt_multiport.c static int parse_v1(int c, char **argv, int invert, unsigned int *flags, const struct ipt_entry *entry, -@@ -284,43 +194,6 @@ +@@ -284,43 +194,6 @@ print_port(u_int16_t port, u_int8_t prot printf("%s", service); } @@ -157,7 +157,7 @@ Index: iptables-1.3.8/extensions/libipt_multiport.c static void print_v1(const struct ipt_ip *ip, const struct ipt_entry_match *match, -@@ -364,34 +237,6 @@ +@@ -364,34 +237,6 @@ print_v1(const struct ipt_ip *ip, printf(" "); } @@ -192,7 +192,7 @@ Index: iptables-1.3.8/extensions/libipt_multiport.c static void save_v1(const struct ipt_ip *ip, const struct ipt_entry_match *match) { -@@ -427,19 +272,20 @@ +@@ -427,19 +272,20 @@ static void save_v1(const struct ipt_ip printf(" "); } diff --git a/package/iptables/patches/005-imq1.patch b/package/iptables/patches/1.3.8/005-imq1.patch index a3741959c..f17ddeafd 100644 --- a/package/iptables/patches/005-imq1.patch +++ b/package/iptables/patches/1.3.8/005-imq1.patch @@ -1,15 +1,15 @@ Index: iptables-1.3.8/extensions/.IMQ-test6 =================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ iptables-1.3.8/extensions/.IMQ-test6 2007-07-31 15:27:56.000000000 -0500 +--- /dev/null ++++ iptables-1.3.8/extensions/.IMQ-test6 @@ -0,0 +1,3 @@ +#!/bin/sh +# True if IMQ target patch is applied. +[ -f $KERNEL_DIR/net/ipv6/netfilter/ip6t_IMQ.c ] && echo IMQ Index: iptables-1.3.8/extensions/libip6t_IMQ.c =================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ iptables-1.3.8/extensions/libip6t_IMQ.c 2007-07-31 15:27:56.000000000 -0500 +--- /dev/null ++++ iptables-1.3.8/extensions/libip6t_IMQ.c @@ -0,0 +1,101 @@ +/* Shared library add-on to iptables to add IMQ target support. */ +#include <stdio.h> @@ -114,16 +114,16 @@ Index: iptables-1.3.8/extensions/libip6t_IMQ.c +} Index: iptables-1.3.8/extensions/.IMQ-test =================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ iptables-1.3.8/extensions/.IMQ-test 2007-07-31 15:27:56.000000000 -0500 +--- /dev/null ++++ iptables-1.3.8/extensions/.IMQ-test @@ -0,0 +1,3 @@ +#!/bin/sh +# True if IMQ target patch is applied. +[ -f $KERNEL_DIR/net/ipv4/netfilter/ipt_IMQ.c ] && echo IMQ Index: iptables-1.3.8/extensions/libipt_IMQ.c =================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ iptables-1.3.8/extensions/libipt_IMQ.c 2007-07-31 15:27:56.000000000 -0500 +--- /dev/null ++++ iptables-1.3.8/extensions/libipt_IMQ.c @@ -0,0 +1,101 @@ +/* Shared library add-on to iptables to add IMQ target support. */ +#include <stdio.h> diff --git a/package/iptables/patches/1.4.0/001-ipp2p-0.8.1rc1.patch b/package/iptables/patches/1.4.0/001-ipp2p-0.8.1rc1.patch new file mode 100644 index 000000000..3b32b948b --- /dev/null +++ b/package/iptables/patches/1.4.0/001-ipp2p-0.8.1rc1.patch @@ -0,0 +1,454 @@ +Index: iptables-1.4.0/extensions/Makefile +=================================================================== +--- iptables-1.4.0.orig/extensions/Makefile ++++ iptables-1.4.0/extensions/Makefile +@@ -19,6 +19,10 @@ PF6_EXT_SE_SLIB:=$(PF6_EXT_SELINUX_SLIB) + PFX_EXT_SE_SLIB:=$(PFX_EXT_SELINUX_SLIB) + endif + ++ ++# ipp2p ++PF_EXT_SLIB += ipp2p ++ + # Optionals + PF_EXT_SLIB_OPTS:=$(foreach T,$(wildcard extensions/.*-test),$(shell KERNEL_DIR=$(KERNEL_DIR) $(T))) + PF6_EXT_SLIB_OPTS:=$(foreach T,$(wildcard extensions/.*-test6),$(shell KERNEL_DIR=$(KERNEL_DIR) $(T))) +Index: iptables-1.4.0/extensions/libipt_ipp2p.c +=================================================================== +--- /dev/null ++++ iptables-1.4.0/extensions/libipt_ipp2p.c +@@ -0,0 +1,398 @@ ++ ++#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> ++ ++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 ++init(struct xt_entry_match *m) ++{ ++ struct ipt_p2p_info *info = (struct ipt_p2p_info *)m->data; ++ ++ /*init the module with default values*/ ++ info->cmd = 0; ++ info->debug = 0; ++ ++} ++ ++ ++static int ++parse(int c, char **argv, int invert, unsigned int *flags, ++ const void *entry, ++ struct xt_entry_match **match) ++{ ++ 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 ++print(const void *ip, ++ const struct xt_entry_match *match, ++ 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 ++save(const void *ip, const struct xt_entry_match *match) ++{ ++ 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 iptables_match ipp2p= ++{ ++ .family = AF_INET, ++ .name = "ipp2p", ++ .version = IPTABLES_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) ++{ ++ register_match(&ipp2p); ++} ++ +Index: iptables-1.4.0/include/linux/netfilter_ipv4/ipt_ipp2p.h +=================================================================== +--- /dev/null ++++ iptables-1.4.0/include/linux/netfilter_ipv4/ipt_ipp2p.h +@@ -0,0 +1,31 @@ ++#ifndef __IPT_IPP2P_H ++#define __IPT_IPP2P_H ++#define IPP2P_VERSION "0.8.1_rc1" ++ ++struct ipt_p2p_info { ++ int cmd; ++ int debug; ++}; ++ ++#endif //__IPT_IPP2P_H ++ ++#define SHORT_HAND_IPP2P 1 /* --ipp2p switch*/ ++//#define SHORT_HAND_DATA 4 /* --ipp2p-data switch*/ ++#define SHORT_HAND_NONE 5 /* no short hand*/ ++ ++#define IPP2P_EDK (1 << 1) ++#define IPP2P_DATA_KAZAA (1 << 2) ++#define IPP2P_DATA_EDK (1 << 3) ++#define IPP2P_DATA_DC (1 << 4) ++#define IPP2P_DC (1 << 5) ++#define IPP2P_DATA_GNU (1 << 6) ++#define IPP2P_GNU (1 << 7) ++#define IPP2P_KAZAA (1 << 8) ++#define IPP2P_BIT (1 << 9) ++#define IPP2P_APPLE (1 << 10) ++#define IPP2P_SOUL (1 << 11) ++#define IPP2P_WINMX (1 << 12) ++#define IPP2P_ARES (1 << 13) ++#define IPP2P_MUTE (1 << 14) ++#define IPP2P_WASTE (1 << 15) ++#define IPP2P_XDCC (1 << 16) diff --git a/package/iptables/patches/1.4.0/002-layer7_2.17.patch b/package/iptables/patches/1.4.0/002-layer7_2.17.patch new file mode 100644 index 000000000..ed19118b0 --- /dev/null +++ b/package/iptables/patches/1.4.0/002-layer7_2.17.patch @@ -0,0 +1,418 @@ +--- iptables-1.4.0rc1/extensions/libipt_layer7.c 1969-12-31 18:00:00.000000000 -0600 ++++ iptables-1.4.0rc1-layer7/extensions/libipt_layer7.c 2007-11-19 06:06:56.000000000 -0600 +@@ -0,0 +1,393 @@ ++/* ++ Shared library add-on to iptables to add layer 7 matching support. ++ ++ By Matthew Strait <quadong@users.sf.net>, Oct 2003. ++ ++ 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 ++ ++ Based on libipt_string.c (C) 2000 Emmanuel Roger <winfield@freegates.be> ++*/ ++ ++#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 <iptables.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 v%s 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 the protocol defined in /etc/l7-protocols/name.pat\n", ++ IPTABLES_VERSION); ++ fputc('\n', stdout); ++} ++ ++static struct option opts[] = { ++ { .name = "l7proto", .has_arg = 1, .flag = 0, .val = '1' }, ++ { .name = "l7dir", .has_arg = 1, .flag = 0, .val = '2' }, ++ { .name = 0 } ++}; ++ ++/* reads filename, puts protocol info into layer7_protocol_info, number of protocols to numprotos */ ++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; ++ ++/* ++ fprintf(stderr, "protocol: %s\npattern: %s\n\n", ++ info->protocol, ++ info->pattern); ++*/ ++} ++ ++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, rindex = 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[rindex] = tolower( hex2dec(s[sindex + 2])*16 + ++ hex2dec(s[sindex + 3] ) ); ++ ++ switch ( result[rindex] ) ++ { ++ 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[rindex], s[sindex + 2], s[sindex + 3], result[rindex], result[rindex]); ++ 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[rindex] = tolower(s[sindex]); ++ ++ sindex++; ++ rindex++; ++ } ++ result[rindex] = '\0'; ++ ++ return result; ++} ++ ++#define MAX_SUBDIRS 128 ++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); ++ ++ //fprintf(stderr, "Trying to find pattern in %s ... ", filename); ++ ++ 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)) ++ { ++ //fprintf(stderr, "found\n"); ++ done = 1; ++ break; ++ } ++ ++ //fprintf(stderr, "not found\n"); ++ ++ 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 '1': ++ check_inverse(optarg, &invert, &optind, 0); ++ parse_layer7_protocol(argv[optind-1], layer7info); ++ if (invert) ++ layer7info->invert = 1; ++ *flags = 1; ++ break; ++ ++ case '2': ++ /* not going to use this, but maybe we need to strip a ! anyway (?) */ ++ check_inverse(optarg, &invert, &optind, 0); ++ ++ 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 iptables_match layer7 = { ++ .name = "layer7", ++ .version = IPTABLES_VERSION, ++ .size = IPT_ALIGN(sizeof(struct xt_layer7_info)), ++ .userspacesize = IPT_ALIGN(sizeof(struct xt_layer7_info)), ++ .help = &help, ++ .parse = &parse, ++ .final_check = &final_check, ++ .print = &print, ++ .save = &save, ++ .extra_opts = opts ++}; ++ ++void _init(void) ++{ ++ register_match(&layer7); ++} +--- iptables-1.4.0rc1/extensions/libipt_layer7.man 1969-12-31 18:00:00.000000000 -0600 ++++ iptables-1.4.0rc1-layer7/extensions/libipt_layer7.man 2007-11-19 05:49:46.000000000 -0600 +@@ -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. ++ +--- iptables-1.4.0rc1/extensions/.layer7-test 1969-12-31 18:00:00.000000000 -0600 ++++ iptables-1.4.0rc1-layer7/extensions/.layer7-test 2007-11-19 06:18:58.000000000 -0600 +@@ -0,0 +1,2 @@ ++#! /bin/sh ++[ -f $KERNEL_DIR/include/linux/netfilter/xt_layer7.h ] && echo layer7 diff --git a/package/iptables/patches/1.4.0/003-layer7_2.17_pktmatch.patch b/package/iptables/patches/1.4.0/003-layer7_2.17_pktmatch.patch new file mode 100644 index 000000000..dd6efc15d --- /dev/null +++ b/package/iptables/patches/1.4.0/003-layer7_2.17_pktmatch.patch @@ -0,0 +1,43 @@ +Index: iptables-1.4.0/extensions/libipt_layer7.c +=================================================================== +--- iptables-1.4.0.orig/extensions/libipt_layer7.c ++++ iptables-1.4.0/extensions/libipt_layer7.c +@@ -43,7 +43,8 @@ static void help(void) + "LAYER7 match v%s 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 the protocol defined in /etc/l7-protocols/name.pat\n", ++ "--l7proto [!] <name> : Match the protocol defined in /etc/l7-protocols/name.pat\n" ++ "--l7pkt : Skip connection tracking and match individual packets\n", + IPTABLES_VERSION); + fputc('\n', stdout); + } +@@ -51,6 +52,7 @@ static void help(void) + static struct option opts[] = { + { .name = "l7proto", .has_arg = 1, .flag = 0, .val = '1' }, + { .name = "l7dir", .has_arg = 1, .flag = 0, .val = '2' }, ++ { .name = "l7pkt", .has_arg = 0, .flag = 0, .val = '3' }, + { .name = 0 } + }; + +@@ -339,6 +341,10 @@ static int parse(int c, char **argv, int + *flags = 1; + break; + ++ case '3': ++ layer7info->pkt = 1; ++ break; ++ + default: + return 0; + } +@@ -370,6 +376,9 @@ static void print(const void *ip, + + print_protocol(((struct xt_layer7_info *)match->data)->protocol, + ((struct xt_layer7_info *)match->data)->invert, numeric); ++ ++ if (((struct xt_layer7_info *)match->data)->pkt) ++ printf("l7pkt "); + } + /* Saves the union ipt_matchinfo in parsable form to stdout. */ + static void save(const void *ip, const struct xt_entry_match *match) diff --git a/package/iptables/patches/1.4.0/004-drop_multiport_v0_support.patch b/package/iptables/patches/1.4.0/004-drop_multiport_v0_support.patch new file mode 100644 index 000000000..0f6e01b19 --- /dev/null +++ b/package/iptables/patches/1.4.0/004-drop_multiport_v0_support.patch @@ -0,0 +1,279 @@ +Index: iptables-1.4.0/extensions/libxt_multiport.c +=================================================================== +--- iptables-1.4.0.orig/extensions/libxt_multiport.c ++++ iptables-1.4.0/extensions/libxt_multiport.c +@@ -12,22 +12,6 @@ + #include "../include/linux/netfilter/xt_multiport.h" + + /* Function which prints out usage message. */ +-static void multiport_help(void) +-{ +- printf( +-"multiport v%s options:\n" +-" --source-ports port[,port,port...]\n" +-" --sports ...\n" +-" match source port(s)\n" +-" --destination-ports port[,port,port...]\n" +-" --dports ...\n" +-" match destination port(s)\n" +-" --ports port[,port,port]\n" +-" match both source and destination port(s)\n" +-" NOTE: this kernel does not support port ranges in multiport.\n", +-IPTABLES_VERSION); +-} +- + static void multiport_help_v1(void) + { + printf( +@@ -71,26 +55,6 @@ proto_to_name(u_int8_t proto) + } + } + +-static unsigned int +-parse_multi_ports(const char *portstring, u_int16_t *ports, const char *proto) +-{ +- char *buffer, *cp, *next; +- unsigned int i; +- +- buffer = strdup(portstring); +- if (!buffer) exit_error(OTHER_PROBLEM, "strdup failed"); +- +- for (cp=buffer, i=0; cp && i<XT_MULTI_PORTS; cp=next,i++) +- { +- next=strchr(cp, ','); +- if (next) *next++='\0'; +- ports[i] = parse_port(cp, proto); +- } +- if (cp) exit_error(PARAMETER_PROBLEM, "too many ports specified"); +- free(buffer); +- return i; +-} +- + static void + parse_multi_ports_v1(const char *portstring, + struct xt_multiport_v1 *multiinfo, +@@ -154,73 +118,6 @@ check_proto(u_int16_t pnum, u_int8_t inv + /* Function which parses command options; returns true if it + ate an option */ + static int +-__multiport_parse(int c, char **argv, int invert, unsigned int *flags, +- struct xt_entry_match **match, u_int16_t pnum, +- u_int8_t invflags) +-{ +- const char *proto; +- struct xt_multiport *multiinfo +- = (struct xt_multiport *)(*match)->data; +- +- switch (c) { +- case '1': +- check_inverse(argv[optind-1], &invert, &optind, 0); +- proto = check_proto(pnum, invflags); +- multiinfo->count = parse_multi_ports(argv[optind-1], +- multiinfo->ports, proto); +- multiinfo->flags = XT_MULTIPORT_SOURCE; +- break; +- +- case '2': +- check_inverse(argv[optind-1], &invert, &optind, 0); +- proto = check_proto(pnum, invflags); +- multiinfo->count = parse_multi_ports(argv[optind-1], +- multiinfo->ports, proto); +- multiinfo->flags = XT_MULTIPORT_DESTINATION; +- break; +- +- case '3': +- check_inverse(argv[optind-1], &invert, &optind, 0); +- proto = check_proto(pnum, invflags); +- multiinfo->count = parse_multi_ports(argv[optind-1], +- multiinfo->ports, proto); +- multiinfo->flags = XT_MULTIPORT_EITHER; +- break; +- +- default: +- return 0; +- } +- +- if (invert) +- exit_error(PARAMETER_PROBLEM, +- "multiport does not support invert"); +- +- if (*flags) +- exit_error(PARAMETER_PROBLEM, +- "multiport can only have one option"); +- *flags = 1; +- return 1; +-} +- +-static int +-multiport_parse(int c, char **argv, int invert, unsigned int *flags, +- const void *e, struct xt_entry_match **match) +-{ +- const struct ipt_entry *entry = e; +- return __multiport_parse(c, argv, invert, flags, match, +- entry->ip.proto, entry->ip.invflags); +-} +- +-static int +-multiport_parse6(int c, char **argv, int invert, unsigned int *flags, +- const void *e, struct xt_entry_match **match) +-{ +- const struct ip6t_entry *entry = (const struct ip6t_entry *)e; +- return __multiport_parse(c, argv, invert, flags, match, +- entry->ipv6.proto, entry->ipv6.invflags); +-} +- +-static int + __multiport_parse_v1(int c, char **argv, int invert, unsigned int *flags, + struct xt_entry_match **match, u_int16_t pnum, + u_int8_t invflags) +@@ -313,55 +210,6 @@ print_port(u_int16_t port, u_int8_t prot + } + + /* Prints out the matchinfo. */ +-static void +-__multiport_print(const struct xt_entry_match *match, int numeric, +- u_int16_t proto) +-{ +- const struct xt_multiport *multiinfo +- = (const struct xt_multiport *)match->data; +- unsigned int i; +- +- printf("multiport "); +- +- switch (multiinfo->flags) { +- case XT_MULTIPORT_SOURCE: +- printf("sports "); +- break; +- +- case XT_MULTIPORT_DESTINATION: +- printf("dports "); +- break; +- +- case XT_MULTIPORT_EITHER: +- printf("ports "); +- break; +- +- default: +- printf("ERROR "); +- break; +- } +- +- for (i=0; i < multiinfo->count; i++) { +- printf("%s", i ? "," : ""); +- print_port(multiinfo->ports[i], proto, numeric); +- } +- printf(" "); +-} +- +-static void multiport_print(const void *ip_void, +- const struct xt_entry_match *match, int numeric) +-{ +- const struct ipt_ip *ip = ip_void; +- __multiport_print(match, numeric, ip->proto); +-} +- +-static void multiport_print6(const void *ip_void, +- const struct xt_entry_match *match, int numeric) +-{ +- const struct ip6t_ip6 *ip = (const struct ip6t_ip6 *)ip_void; +- __multiport_print(match, numeric, ip->proto); +-} +- + static void __multiport_print_v1(const struct xt_entry_match *match, + int numeric, u_int16_t proto) + { +@@ -418,48 +266,6 @@ static void multiport_print6_v1(const vo + } + + /* Saves the union ipt_matchinfo in parsable form to stdout. */ +-static void __multiport_save(const struct xt_entry_match *match, +- u_int16_t proto) +-{ +- const struct xt_multiport *multiinfo +- = (const struct xt_multiport *)match->data; +- unsigned int i; +- +- switch (multiinfo->flags) { +- case XT_MULTIPORT_SOURCE: +- printf("--sports "); +- break; +- +- case XT_MULTIPORT_DESTINATION: +- printf("--dports "); +- break; +- +- case XT_MULTIPORT_EITHER: +- printf("--ports "); +- break; +- } +- +- for (i=0; i < multiinfo->count; i++) { +- printf("%s", i ? "," : ""); +- print_port(multiinfo->ports[i], proto, 1); +- } +- printf(" "); +-} +- +-static void multiport_save(const void *ip_void, +- const struct xt_entry_match *match) +-{ +- const struct ipt_ip *ip = ip_void; +- __multiport_save(match, ip->proto); +-} +- +-static void multiport_save6(const void *ip_void, +- const struct xt_entry_match *match) +-{ +- const struct ip6t_ip6 *ip = (const struct ip6t_ip6 *)ip_void; +- __multiport_save(match, ip->proto); +-} +- + static void __multiport_save_v1(const struct xt_entry_match *match, + u_int16_t proto) + { +@@ -509,36 +315,6 @@ static void multiport_save6_v1(const voi + __multiport_save_v1(match, ip->proto); + } + +-static struct xtables_match multiport_match = { +- .family = AF_INET, +- .name = "multiport", +- .revision = 0, +- .version = IPTABLES_VERSION, +- .size = XT_ALIGN(sizeof(struct xt_multiport)), +- .userspacesize = XT_ALIGN(sizeof(struct xt_multiport)), +- .help = multiport_help, +- .parse = multiport_parse, +- .final_check = multiport_check, +- .print = multiport_print, +- .save = multiport_save, +- .extra_opts = multiport_opts, +-}; +- +-static struct xtables_match multiport_match6 = { +- .family = AF_INET6, +- .name = "multiport", +- .revision = 0, +- .version = IPTABLES_VERSION, +- .size = XT_ALIGN(sizeof(struct xt_multiport)), +- .userspacesize = XT_ALIGN(sizeof(struct xt_multiport)), +- .help = multiport_help, +- .parse = multiport_parse6, +- .final_check = multiport_check, +- .print = multiport_print6, +- .save = multiport_save6, +- .extra_opts = multiport_opts, +-}; +- + static struct xtables_match multiport_match_v1 = { + .family = AF_INET, + .name = "multiport", +@@ -572,8 +348,6 @@ static struct xtables_match multiport_ma + void + _init(void) + { +- xtables_register_match(&multiport_match); +- xtables_register_match(&multiport_match6); + xtables_register_match(&multiport_match_v1); + xtables_register_match(&multiport_match6_v1); + } diff --git a/package/iptables/patches/1.4.0/005-imq1.patch b/package/iptables/patches/1.4.0/005-imq1.patch new file mode 100644 index 000000000..63617076b --- /dev/null +++ b/package/iptables/patches/1.4.0/005-imq1.patch @@ -0,0 +1,219 @@ +--- iptables-1.4.0.orig/extensions.orig/.IMQ-test6 Thu Jan 1 01:00:00 1970 ++++ iptables-1.4.0/extensions/.IMQ-test6 Mon Jun 16 10:12:47 2003 +@@ -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 +--- iptables-1.4.0.orig/extensions.orig/libip6t_IMQ.c Thu Jan 1 01:00:00 1970 ++++ iptables-1.4.0/extensions/libip6t_IMQ.c Mon Jun 16 10:12:47 2003 +@@ -0,0 +1,100 @@ ++/* 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 ++help(void) ++{ ++ printf( ++"IMQ target v%s options:\n" ++" --todev <N> enqueue to imq<N>, defaults to 0\n", ++IPTABLES_VERSION); ++} ++ ++static struct option opts[] = { ++ { "todev", 1, 0, '1' }, ++ { 0 } ++}; ++ ++/* Initialize the target. */ ++static void ++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 ++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; ++} ++ ++static void ++final_check(unsigned int flags) ++{ ++} ++ ++/* Prints out the targinfo. */ ++static void ++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 ++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 ip6tables_target imq = { ++ .next = NULL, ++ .name = "IMQ", ++ .version = IPTABLES_VERSION, ++ .size = IP6T_ALIGN(sizeof(struct ip6t_imq_info)), ++ .userspacesize = IP6T_ALIGN(sizeof(struct ip6t_imq_info)), ++ .help = &help, ++ .init = &init, ++ .parse = &parse, ++ .final_check = &final_check, ++ .print = &print, ++ .save = &save, ++ .extra_opts = opts ++}; ++ ++static __attribute__((constructor)) void _init(void) ++{ ++ register_target6(&imq); ++} +--- iptables-1.4.0.orig/extensions.orig/.IMQ-test Thu Jan 1 01:00:00 1970 ++++ iptables-1.4.0/extensions/.IMQ-test Mon Jun 16 10:12:47 2003 +@@ -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 +--- iptables-1.4.0.orig/extensions.orig/libipt_IMQ.c Thu Jan 1 01:00:00 1970 ++++ iptables-1.4.0/extensions/libipt_IMQ.c Mon Jun 16 10:12:47 2003 +@@ -0,0 +1,100 @@ ++/* 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 ++help(void) ++{ ++ printf( ++"IMQ target v%s options:\n" ++" --todev <N> enqueue to imq<N>, defaults to 0\n", ++IPTABLES_VERSION); ++} ++ ++static struct option opts[] = { ++ { "todev", 1, 0, '1' }, ++ { 0 } ++}; ++ ++/* Initialize the target. */ ++static void ++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 ++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; ++} ++ ++static void ++final_check(unsigned int flags) ++{ ++} ++ ++/* Prints out the targinfo. */ ++static void ++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 ++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 iptables_target imq = { ++ .next = NULL, ++ .name = "IMQ", ++ .version = IPTABLES_VERSION, ++ .size = IPT_ALIGN(sizeof(struct ipt_imq_info)), ++ .userspacesize = IPT_ALIGN(sizeof(struct ipt_imq_info)), ++ .help = &help, ++ .init = &init, ++ .parse = &parse, ++ .final_check = &final_check, ++ .print = &print, ++ .save = &save, ++ .extra_opts = opts ++}; ++ ++static __attribute__((constructor)) void _init(void) ++{ ++ register_target(&imq); ++} + diff --git a/package/iptables/patches/1.4.0/006-chaostables_0.8.patch b/package/iptables/patches/1.4.0/006-chaostables_0.8.patch new file mode 100644 index 000000000..a9eb14544 --- /dev/null +++ b/package/iptables/patches/1.4.0/006-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", ++ IPTABLES_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 = IPTABLES_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 = IPTABLES_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", ++ IPTABLES_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 = IPTABLES_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/1.4.0/007-tarpit_support.patch b/package/iptables/patches/1.4.0/007-tarpit_support.patch new file mode 100644 index 000000000..f1914f90b --- /dev/null +++ b/package/iptables/patches/1.4.0/007-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 = IPTABLES_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" |