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-rw-r--r--package/iptables/Makefile59
-rw-r--r--package/iptables/patches/1.3.8/002-layer7_2.17.patch425
-rw-r--r--package/iptables/patches/1.3.8/003-layer7_2.17_pktmatch.patch42
-rw-r--r--package/iptables/patches/1.3.8/004-drop_multiport_v0_support.patch222
-rw-r--r--package/iptables/patches/1.3.8/005-imq1.patch228
-rw-r--r--package/iptables/patches/1.3.8/006-ipt_conntrack.patch11
-rw-r--r--package/iptables/patches/1.4.3.2/002-layer7_2.17.patch12
-rw-r--r--package/iptables/patches/1.4.3.2/005-imq1.patch33
-rw-r--r--target/linux/generic-2.4/patches/602-netfilter_layer7_2.21.patch (renamed from target/linux/generic-2.4/patches/602-netfilter_layer7_2.17_with_pktmatch.patch)272
9 files changed, 170 insertions, 1134 deletions
diff --git a/package/iptables/Makefile b/package/iptables/Makefile
index cfce37769..8b0e5ca8d 100644
--- a/package/iptables/Makefile
+++ b/package/iptables/Makefile
@@ -10,18 +10,9 @@ include $(INCLUDE_DIR)/kernel.mk
PKG_NAME:=iptables
-ifeq ($(CONFIG_LINUX_2_4),y)
- PKG_VERSION:=1.3.8
- PKG_RELEASE:=4
- PKG_MD5SUM:=0a9209f928002e5eee9cdff8fef4d4b3
- MAKE_TARGETS:=experimental install-experimental install-devel
-endif
-
-ifeq ($(CONFIG_LINUX_2_6),y)
- PKG_VERSION:=1.4.3.2
- PKG_RELEASE:=1
- PKG_MD5SUM:=545698693b636cfc844aafc6729fd48a
-endif
+PKG_VERSION:=1.4.3.2
+PKG_RELEASE:=1
+PKG_MD5SUM:=545698693b636cfc844aafc6729fd48a
PKG_VERSION?=<IPTABLES_VERSION>
@@ -40,10 +31,27 @@ ifeq ($(DUMP),)
STAMP_CONFIGURED:=$(strip $(STAMP_CONFIGURED))_$(shell grep 'NETFILTER' $(LINUX_DIR)/.config | md5s)
endif
+
+define Package/libiptc
+ SECTION:=libs
+ CATEGORY:=Libraries
+ URL:=http://netfilter.org/
+ TITLE:=IPv4/IPv6 firewall - shared libiptc library
+endef
+
+define Package/libxtables
+ SECTION:=libs
+ CATEGORY:=Libraries
+ URL:=http://netfilter.org/
+ TITLE:=IPv4/IPv6 firewall - shared xtables library
+endef
+
+
define Package/iptables/Default
SECTION:=net
CATEGORY:=Base system
URL:=http://netfilter.org/
+ DEPENDS:=+libiptc +libxtables
endef
define Package/iptables/Module
@@ -106,7 +114,7 @@ define Package/iptables-mod-filter/description
endef
define Package/iptables-mod-imq
-$(call Package/iptables/Module, +kmod-ipt-imq @!LINUX_2_6_27)
+$(call Package/iptables/Module, +kmod-ipt-imq)
TITLE:=IMQ support
endef
@@ -241,15 +249,6 @@ define Build/Prepare
$(call Build/Prepare/Default)
endef
-ifeq ($(KERNEL),2.4)
- define Build/Configure
- chmod a+x $(PKG_BUILD_DIR)/extensions/.*-test*
- rm -f $(PKG_BUILD_DIR)/.configured*
- $(MAKE) -C $(PKG_BUILD_DIR) \
- clean
- endef
-endif
-
TARGET_CPPFLAGS := -I$(PKG_BUILD_DIR)/include $(TARGET_CPPFLAGS)
TARGET_CFLAGS += $(FPIC)
CONFIGURE_ARGS += \
@@ -287,6 +286,18 @@ define Package/iptables/install
)
endef
+
+define Package/libiptc/install
+ $(INSTALL_DIR) $(1)/usr/lib
+ $(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/lib/libiptc.so.0 $(1)/usr/lib/
+endef
+
+define Package/libxtables/install
+ $(INSTALL_DIR) $(1)/usr/lib
+ $(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/lib/libxtables.so.2 $(1)/usr/lib/
+endef
+
+
define Package/iptables-utils/install
$(INSTALL_DIR) $(1)/usr/sbin
$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/iptables-{save,restore} $(1)/usr/sbin/
@@ -324,6 +335,10 @@ L7_INSTALL:=\
$(INSTALL_DIR) $$(1)/etc/l7-protocols; \
$(CP) files/l7/*.pat $$(1)/etc/l7-protocols/
+
+$(eval $(call BuildPackage,libiptc))
+$(eval $(call BuildPackage,libxtables))
+
$(eval $(call BuildPackage,iptables))
$(eval $(call BuildPackage,iptables-utils))
$(eval $(call BuildPlugin,iptables-mod-conntrack,$(IPT_CONNTRACK-m)))
diff --git a/package/iptables/patches/1.3.8/002-layer7_2.17.patch b/package/iptables/patches/1.3.8/002-layer7_2.17.patch
deleted file mode 100644
index 68da741e0..000000000
--- a/package/iptables/patches/1.3.8/002-layer7_2.17.patch
+++ /dev/null
@@ -1,425 +0,0 @@
-Index: iptables-1.3.8/extensions/.layer7-test
-===================================================================
---- /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
-Index: iptables-1.3.8/extensions/libipt_layer7.c
-===================================================================
---- /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.
-+
-+ 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_ipv4/ipt_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 unsigned char * protoname, struct ipt_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 unsigned char *s, struct ipt_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 struct ipt_entry *entry, unsigned int *nfcache,
-+ struct ipt_entry_match **match)
-+{
-+ struct ipt_layer7_info *layer7info =
-+ (struct ipt_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 struct ipt_ip *ip,
-+ const struct ipt_entry_match *match,
-+ int numeric)
-+{
-+ printf("LAYER7 ");
-+
-+ print_protocol(((struct ipt_layer7_info *)match->data)->protocol,
-+ ((struct ipt_layer7_info *)match->data)->invert, numeric);
-+}
-+/* Saves the union ipt_matchinfo in parsable form to stdout. */
-+static void save(const struct ipt_ip *ip, const struct ipt_entry_match *match)
-+{
-+ const struct ipt_layer7_info *info =
-+ (const struct ipt_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 ipt_layer7_info)),
-+ .userspacesize = IPT_ALIGN(sizeof(struct ipt_layer7_info)),
-+ .help = &help,
-+ .parse = &parse,
-+ .final_check = &final_check,
-+ .print = &print,
-+ .save = &save,
-+ .extra_opts = opts
-+};
-+
-+void _init(void)
-+{
-+ register_match(&layer7);
-+}
-Index: iptables-1.3.8/extensions/libipt_layer7.man
-===================================================================
---- /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
-+configuration files. This is an experimental module which can be found at
-+http://l7-filter.sf.net. It takes two options.
-+.TP
-+.BI "--l7proto " "\fIprotocol\fP"
-+Match the specified protocol. The protocol name must match a file
-+name in /etc/l7-protocols/ or one of its first-level child directories.
-+.TP
-+.BI "--l7dir " "\fIdirectory\fP"
-+Use \fIdirectory\fP instead of /etc/l7-protocols/. This option must be
-+specified before --l7proto.
-+
diff --git a/package/iptables/patches/1.3.8/003-layer7_2.17_pktmatch.patch b/package/iptables/patches/1.3.8/003-layer7_2.17_pktmatch.patch
deleted file mode 100644
index c88f75963..000000000
--- a/package/iptables/patches/1.3.8/003-layer7_2.17_pktmatch.patch
+++ /dev/null
@@ -1,42 +0,0 @@
-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/1.3.8/004-drop_multiport_v0_support.patch b/package/iptables/patches/1.3.8/004-drop_multiport_v0_support.patch
deleted file mode 100644
index e5cbeb6f3..000000000
--- a/package/iptables/patches/1.3.8/004-drop_multiport_v0_support.patch
+++ /dev/null
@@ -1,222 +0,0 @@
-Index: iptables-1.3.8/extensions/libipt_multiport.c
-===================================================================
---- 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"
-
--/* Function which prints out usage message. */
--static void
--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
- help_v1(void)
- {
-@@ -70,26 +52,6 @@ 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<IPT_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 ipt_multiport_v1 *multiinfo,
-@@ -156,58 +118,6 @@ check_proto(const struct ipt_entry *entr
- "multiport only works with TCP, UDP, UDPLITE, SCTP and DCCP");
- }
-
--/* 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 struct ipt_entry *entry,
-- unsigned int *nfcache,
-- struct ipt_entry_match **match)
--{
-- const char *proto;
-- struct ipt_multiport *multiinfo
-- = (struct ipt_multiport *)(*match)->data;
--
-- switch (c) {
-- case '1':
-- check_inverse(argv[optind-1], &invert, &optind, 0);
-- proto = check_proto(entry);
-- multiinfo->count = parse_multi_ports(argv[optind-1],
-- multiinfo->ports, proto);
-- multiinfo->flags = IPT_MULTIPORT_SOURCE;
-- break;
--
-- case '2':
-- check_inverse(argv[optind-1], &invert, &optind, 0);
-- proto = check_proto(entry);
-- multiinfo->count = parse_multi_ports(argv[optind-1],
-- multiinfo->ports, proto);
-- multiinfo->flags = IPT_MULTIPORT_DESTINATION;
-- break;
--
-- case '3':
-- check_inverse(argv[optind-1], &invert, &optind, 0);
-- proto = check_proto(entry);
-- multiinfo->count = parse_multi_ports(argv[optind-1],
-- multiinfo->ports, proto);
-- multiinfo->flags = IPT_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
- parse_v1(int c, char **argv, int invert, unsigned int *flags,
- const struct ipt_entry *entry,
-@@ -284,43 +194,6 @@ print_port(u_int16_t port, u_int8_t prot
- printf("%s", service);
- }
-
--/* Prints out the matchinfo. */
--static void
--print(const struct ipt_ip *ip,
-- const struct ipt_entry_match *match,
-- int numeric)
--{
-- const struct ipt_multiport *multiinfo
-- = (const struct ipt_multiport *)match->data;
-- unsigned int i;
--
-- printf("multiport ");
--
-- switch (multiinfo->flags) {
-- case IPT_MULTIPORT_SOURCE:
-- printf("sports ");
-- break;
--
-- case IPT_MULTIPORT_DESTINATION:
-- printf("dports ");
-- break;
--
-- case IPT_MULTIPORT_EITHER:
-- printf("ports ");
-- break;
--
-- default:
-- printf("ERROR ");
-- break;
-- }
--
-- for (i=0; i < multiinfo->count; i++) {
-- printf("%s", i ? "," : "");
-- print_port(multiinfo->ports[i], ip->proto, numeric);
-- }
-- printf(" ");
--}
--
- static void
- print_v1(const struct ipt_ip *ip,
- const struct ipt_entry_match *match,
-@@ -364,34 +237,6 @@ print_v1(const struct ipt_ip *ip,
- printf(" ");
- }
-
--/* Saves the union ipt_matchinfo in parsable form to stdout. */
--static void save(const struct ipt_ip *ip, const struct ipt_entry_match *match)
--{
-- const struct ipt_multiport *multiinfo
-- = (const struct ipt_multiport *)match->data;
-- unsigned int i;
--
-- switch (multiinfo->flags) {
-- case IPT_MULTIPORT_SOURCE:
-- printf("--sports ");
-- break;
--
-- case IPT_MULTIPORT_DESTINATION:
-- printf("--dports ");
-- break;
--
-- case IPT_MULTIPORT_EITHER:
-- printf("--ports ");
-- break;
-- }
--
-- for (i=0; i < multiinfo->count; i++) {
-- printf("%s", i ? "," : "");
-- print_port(multiinfo->ports[i], ip->proto, 1);
-- }
-- printf(" ");
--}
--
- static void save_v1(const struct ipt_ip *ip,
- const struct ipt_entry_match *match)
- {
-@@ -427,19 +272,20 @@ static void save_v1(const struct ipt_ip
- printf(" ");
- }
-
-+
- static struct iptables_match multiport = {
- .next = NULL,
- .name = "multiport",
-- .revision = 0,
- .version = IPTABLES_VERSION,
-- .size = IPT_ALIGN(sizeof(struct ipt_multiport)),
-- .userspacesize = IPT_ALIGN(sizeof(struct ipt_multiport)),
-- .help = &help,
-+ .revision = 0,
-+ .size = IPT_ALIGN(sizeof(struct ipt_multiport_v1)),
-+ .userspacesize = IPT_ALIGN(sizeof(struct ipt_multiport_v1)),
-+ .help = &help_v1,
- .init = &init,
-- .parse = &parse,
-+ .parse = &parse_v1,
- .final_check = &final_check,
-- .print = &print,
-- .save = &save,
-+ .print = &print_v1,
-+ .save = &save_v1,
- .extra_opts = opts
- };
-
diff --git a/package/iptables/patches/1.3.8/005-imq1.patch b/package/iptables/patches/1.3.8/005-imq1.patch
deleted file mode 100644
index f17ddeafd..000000000
--- a/package/iptables/patches/1.3.8/005-imq1.patch
+++ /dev/null
@@ -1,228 +0,0 @@
-Index: iptables-1.3.8/extensions/.IMQ-test6
-===================================================================
---- /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
-+++ 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>
-+#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 ip6t_entry_target *t, unsigned int *nfcache)
-+{
-+ struct ip6t_imq_info *mr = (struct ip6t_imq_info*)t->data;
-+
-+ mr->todev = 0;
-+ *nfcache |= NFC_UNKNOWN;
-+}
-+
-+/* 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 struct ip6t_entry *entry,
-+ struct ip6t_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 struct ip6t_ip6 *ip,
-+ const struct ip6t_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 struct ip6t_ip6 *ip, const struct ip6t_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);
-+}
-Index: iptables-1.3.8/extensions/.IMQ-test
-===================================================================
---- /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
-+++ 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>
-+#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 ipt_entry_target *t, unsigned int *nfcache)
-+{
-+ struct ipt_imq_info *mr = (struct ipt_imq_info*)t->data;
-+
-+ mr->todev = 0;
-+ *nfcache |= NFC_UNKNOWN;
-+}
-+
-+/* 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 struct ipt_entry *entry,
-+ struct ipt_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 struct ipt_ip *ip,
-+ const struct ipt_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 struct ipt_ip *ip, const struct ipt_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/1.3.8/006-ipt_conntrack.patch b/package/iptables/patches/1.3.8/006-ipt_conntrack.patch
deleted file mode 100644
index 65ea074e9..000000000
--- a/package/iptables/patches/1.3.8/006-ipt_conntrack.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- ./include/linux/netfilter_ipv4/ipt_conntrack.h.orig 2008-09-27 10:26:49.000000000 -0400
-+++ ./include/linux/netfilter_ipv4/ipt_conntrack.h 2008-09-27 01:15:57.000000000 -0400
-@@ -52,7 +52,7 @@
- struct {
- u_int32_t ip;
- union {
-- u_int16_t all;
-+ u_int32_t all;
- } u;
-
- /* The protocol. */
diff --git a/package/iptables/patches/1.4.3.2/002-layer7_2.17.patch b/package/iptables/patches/1.4.3.2/002-layer7_2.17.patch
index ac6b1a484..3c5f54c9a 100644
--- a/package/iptables/patches/1.4.3.2/002-layer7_2.17.patch
+++ b/package/iptables/patches/1.4.3.2/002-layer7_2.17.patch
@@ -1,6 +1,6 @@
-diff -Nur iptables.old/extensions/libxt_layer7.c iptables.new/extensions/libxt_layer7.c
---- iptables.old/extensions/libxt_layer7.c 1970-01-01 01:00:00.000000000 +0100
-+++ iptables.new/extensions/libxt_layer7.c 2008-08-22 16:00:52.000000000 +0200
+diff -Nur a/libxt_layer7.c b/libxt_layer7.c
+--- a/libxt_layer7.c 1970-01-01 01:00:00.000000000 +0100
++++ b/libxt_layer7.c 2008-08-22 16:00:52.000000000 +0200
@@ -0,0 +1,368 @@
+/*
+ Shared library add-on to iptables for layer 7 matching support.
@@ -370,9 +370,9 @@ diff -Nur iptables.old/extensions/libxt_layer7.c iptables.new/extensions/libxt_l
+{
+ xtables_register_match(&layer7);
+}
-diff -Nur iptables.old/extensions/libxt_layer7.man iptables.new/extensions/libxt_layer7.man
---- iptables.old/extensions/libxt_layer7.man 1970-01-01 01:00:00.000000000 +0100
-+++ iptables.new/extensions/libxt_layer7.man 2008-08-22 16:00:52.000000000 +0200
+diff -Nur a/libxt_layer7.man b/libxt_layer7.man
+--- a/libxt_layer7.man 1970-01-01 01:00:00.000000000 +0100
++++ b/libxt_layer7.man 2008-08-22 16:00:52.000000000 +0200
@@ -0,0 +1,14 @@
+This module matches packets based on the application layer data of
+their connections. It uses regular expression matching to compare
diff --git a/package/iptables/patches/1.4.3.2/005-imq1.patch b/package/iptables/patches/1.4.3.2/005-imq1.patch
index 3c96a3bc3..4e7afe813 100644
--- a/package/iptables/patches/1.4.3.2/005-imq1.patch
+++ b/package/iptables/patches/1.4.3.2/005-imq1.patch
@@ -1,26 +1,25 @@
---- iptables-1.4.1-rc3.orig/extensions/.IMQ-test 1970-01-01 10:00:00.000000000 +1000
-+++ iptables-1.4.1-rc3/extensions/.IMQ-test 2008-06-08 22:41:49.000000000 +1000
+--- /dev/null
++++ b/extensions/.IMQ-test
@@ -0,0 +1,3 @@
+#!/bin/sh
+# True if IMQ target patch is applied.
+[ -f $KERNEL_DIR/include/linux/netfilter_ipv4/ipt_IMQ.h ] && echo IMQ
-diff -pruN iptables-1.4.1-rc3.orig/extensions/.IMQ-test6 iptables-1.4.1-rc3/extensions/.IMQ-test6
---- iptables-1.4.1-rc3.orig/extensions/.IMQ-test6 1970-01-01 10:00:00.000000000 +1000
-+++ iptables-1.4.1-rc3/extensions/.IMQ-test6 2008-06-08 22:41:49.000000000 +1000
+--- /dev/null
++++ b/extensions/.IMQ-test6
@@ -0,0 +1,3 @@
+#!/bin/sh
+# True if IMQ target patch is applied.
+[ -f $KERNEL_DIR/include/linux/netfilter_ipv6/ip6t_IMQ.h ] && echo IMQ
-diff -pruN iptables-1.4.1-rc3.orig/extensions/libip6t_IMQ.c iptables-1.4.1-rc3/extensions/libip6t_IMQ.c
---- iptables-1.4.1-rc3.orig/extensions/libip6t_IMQ.c 1970-01-01 10:00:00.000000000 +1000
-+++ iptables-1.4.1-rc3/extensions/libip6t_IMQ.c 2008-06-08 22:46:57.000000000 +1000
-@@ -0,0 +1,89 @@
+--- /dev/null
++++ b/extensions/libip6t_IMQ.c
+@@ -0,0 +1,90 @@
+/* Shared library add-on to iptables to add IMQ target support. */
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <getopt.h>
+
++#include <xtables.h>
+#include <ip6tables.h>
+#include <linux/netfilter_ipv6/ip6_tables.h>
+#include <linux/netfilter_ipv6/ip6t_IMQ.h>
@@ -57,8 +56,8 @@ diff -pruN iptables-1.4.1-rc3.orig/extensions/libip6t_IMQ.c iptables-1.4.1-rc3/e
+
+ switch(c) {
+ case '1':
-+ if (check_inverse(optarg, &invert, NULL, 0))
-+ exit_error(PARAMETER_PROBLEM,
++ if (xtables_check_inverse(optarg, &invert, NULL, 0))
++ xtables_error(PARAMETER_PROBLEM,
+ "Unexpected `!' after --todev");
+ mr->todev=atoi(optarg);
+ break;
@@ -104,16 +103,16 @@ diff -pruN iptables-1.4.1-rc3.orig/extensions/libip6t_IMQ.c iptables-1.4.1-rc3/e
+{
+ xtables_register_target(&imq);
+}
-diff -pruN iptables-1.4.1-rc3.orig/extensions/libipt_IMQ.c iptables-1.4.1-rc3/extensions/libipt_IMQ.c
---- iptables-1.4.1-rc3.orig/extensions/libipt_IMQ.c 1970-01-01 10:00:00.000000000 +1000
-+++ iptables-1.4.1-rc3/extensions/libipt_IMQ.c 2008-06-08 22:46:25.000000000 +1000
-@@ -0,0 +1,88 @@
+--- /dev/null
++++ b/extensions/libipt_IMQ.c
+@@ -0,0 +1,89 @@
+/* Shared library add-on to iptables to add IMQ target support. */
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <getopt.h>
+
++#include <xtables.h>
+#include <iptables.h>
+#include <linux/netfilter_ipv4/ip_tables.h>
+#include <linux/netfilter_ipv4/ipt_IMQ.h>
@@ -149,8 +148,8 @@ diff -pruN iptables-1.4.1-rc3.orig/extensions/libipt_IMQ.c iptables-1.4.1-rc3/ex
+
+ switch(c) {
+ case '1':
-+ if (check_inverse(optarg, &invert, NULL, 0))
-+ exit_error(PARAMETER_PROBLEM,
++ if (xtables_check_inverse(optarg, &invert, NULL, 0))
++ xtables_error(PARAMETER_PROBLEM,
+ "Unexpected `!' after --todev");
+ mr->todev=atoi(optarg);
+ break;
diff --git a/target/linux/generic-2.4/patches/602-netfilter_layer7_2.17_with_pktmatch.patch b/target/linux/generic-2.4/patches/602-netfilter_layer7_2.21.patch
index 8fb23409a..7ad843621 100644
--- a/target/linux/generic-2.4/patches/602-netfilter_layer7_2.17_with_pktmatch.patch
+++ b/target/linux/generic-2.4/patches/602-netfilter_layer7_2.21.patch
@@ -1,16 +1,14 @@
-Index: linux-2.4.35.4/Documentation/Configure.help
-===================================================================
---- linux-2.4.35.4.orig/Documentation/Configure.help
-+++ linux-2.4.35.4/Documentation/Configure.help
-@@ -29207,6 +29207,18 @@ CONFIG_SOUND_WM97XX
+--- a/Documentation/Configure.help
++++ b/Documentation/Configure.help
+@@ -29207,6 +29207,18 @@
If unsure, say N.
+CONFIG_IP_NF_MATCH_LAYER7
-+ Say Y if you want to be able to classify connections (and their
-+ packets) based on regular expression matching of their application
-+ layer data. This is one way to classify applications such as
-+ peer-to-peer filesharing systems that do not always use the same
++ Say Y if you want to be able to classify connections (and their
++ packets) based on regular expression matching of their application
++ layer data. This is one way to classify applications such as
++ peer-to-peer filesharing systems that do not always use the same
+ port.
+
+ To compile it as a module, choose M here. If unsure, say N.
@@ -21,11 +19,9 @@ Index: linux-2.4.35.4/Documentation/Configure.help
#
# A couple of things I keep forgetting:
# capitalize: AppleTalk, Ethernet, DOS, DMA, FAT, FTP, Internet,
-Index: linux-2.4.35.4/include/linux/netfilter_ipv4/ip_conntrack.h
-===================================================================
---- linux-2.4.35.4.orig/include/linux/netfilter_ipv4/ip_conntrack.h
-+++ linux-2.4.35.4/include/linux/netfilter_ipv4/ip_conntrack.h
-@@ -207,6 +207,17 @@ struct ip_conntrack
+--- a/include/linux/netfilter_ipv4/ip_conntrack.h
++++ b/include/linux/netfilter_ipv4/ip_conntrack.h
+@@ -207,6 +207,17 @@
} nat;
#endif /* CONFIG_IP_NF_NAT_NEEDED */
@@ -33,9 +29,9 @@ Index: linux-2.4.35.4/include/linux/netfilter_ipv4/ip_conntrack.h
+ struct {
+ unsigned int numpackets; /* surely this is kept track of somewhere else, right? I can't find it... */
+ char * app_proto; /* "http", "ftp", etc. NULL if unclassifed */
-+
++
+ /* the application layer data so far. NULL if ->numpackets > numpackets */
-+ char * app_data;
++ char * app_data;
+
+ unsigned int app_data_len;
+ } layer7;
@@ -43,12 +39,10 @@ Index: linux-2.4.35.4/include/linux/netfilter_ipv4/ip_conntrack.h
};
/* get master conntrack via master expectation */
-Index: linux-2.4.35.4/include/linux/netfilter_ipv4/ipt_layer7.h
-===================================================================
--- /dev/null
-+++ linux-2.4.35.4/include/linux/netfilter_ipv4/ipt_layer7.h
-@@ -0,0 +1,27 @@
-+/*
++++ b/include/linux/netfilter_ipv4/ipt_layer7.h
+@@ -0,0 +1,26 @@
++/*
+ By Matthew Strait <quadong@users.sf.net>, Dec 2003.
+ http://l7-filter.sf.net
+
@@ -69,31 +63,26 @@ Index: linux-2.4.35.4/include/linux/netfilter_ipv4/ipt_layer7.h
+
+struct ipt_layer7_info {
+ char protocol[MAX_PROTOCOL_LEN];
++ char invert:1;
+ char pattern[MAX_PATTERN_LEN];
-+ u_int8_t invert;
-+ u_int8_t pkt;
+};
+
+#endif /* _IPT_LAYER7_H */
-Index: linux-2.4.35.4/net/ipv4/netfilter/Config.in
-===================================================================
---- linux-2.4.35.4.orig/net/ipv4/netfilter/Config.in
-+++ linux-2.4.35.4/net/ipv4/netfilter/Config.in
-@@ -44,6 +44,9 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ];
+--- a/net/ipv4/netfilter/Config.in
++++ b/net/ipv4/netfilter/Config.in
+@@ -44,6 +44,9 @@
if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then
dep_tristate ' Unclean match support (EXPERIMENTAL)' CONFIG_IP_NF_MATCH_UNCLEAN $CONFIG_IP_NF_IPTABLES
dep_tristate ' Owner match support (EXPERIMENTAL)' CONFIG_IP_NF_MATCH_OWNER $CONFIG_IP_NF_IPTABLES
+ dep_tristate ' Layer 7 match support (EXPERIMENTAL)' CONFIG_IP_NF_MATCH_LAYER7 $CONFIG_IP_NF_CONNTRACK
+ dep_mbool ' Layer 7 debugging output (EXPERIMENTAL)' CONFIG_IP_NF_MATCH_LAYER7_DEBUG $CONFIG_IP_NF_MATCH_LAYER7
-+
++
fi
# The targets
dep_tristate ' Packet filtering' CONFIG_IP_NF_FILTER $CONFIG_IP_NF_IPTABLES
-Index: linux-2.4.35.4/net/ipv4/netfilter/Makefile
-===================================================================
---- linux-2.4.35.4.orig/net/ipv4/netfilter/Makefile
-+++ linux-2.4.35.4/net/ipv4/netfilter/Makefile
-@@ -87,6 +87,7 @@ obj-$(CONFIG_IP_NF_MATCH_STATE) += ipt_s
+--- a/net/ipv4/netfilter/Makefile
++++ b/net/ipv4/netfilter/Makefile
+@@ -87,6 +87,7 @@
obj-$(CONFIG_IP_NF_MATCH_CONNTRACK) += ipt_conntrack.o
obj-$(CONFIG_IP_NF_MATCH_UNCLEAN) += ipt_unclean.o
obj-$(CONFIG_IP_NF_MATCH_TCPMSS) += ipt_tcpmss.o
@@ -101,11 +90,9 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/Makefile
# targets
obj-$(CONFIG_IP_NF_TARGET_REJECT) += ipt_REJECT.o
-Index: linux-2.4.35.4/net/ipv4/netfilter/ip_conntrack_core.c
-===================================================================
---- linux-2.4.35.4.orig/net/ipv4/netfilter/ip_conntrack_core.c
-+++ linux-2.4.35.4/net/ipv4/netfilter/ip_conntrack_core.c
-@@ -346,6 +346,14 @@ destroy_conntrack(struct nf_conntrack *n
+--- a/net/ipv4/netfilter/ip_conntrack_core.c
++++ b/net/ipv4/netfilter/ip_conntrack_core.c
+@@ -346,6 +346,14 @@
}
kfree(ct->master);
}
@@ -116,15 +103,13 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ip_conntrack_core.c
+ if(ct->layer7.app_data)
+ kfree(ct->layer7.app_data);
+ #endif
-+
++
WRITE_UNLOCK(&ip_conntrack_lock);
if (master)
-Index: linux-2.4.35.4/net/ipv4/netfilter/ip_conntrack_standalone.c
-===================================================================
---- linux-2.4.35.4.orig/net/ipv4/netfilter/ip_conntrack_standalone.c
-+++ linux-2.4.35.4/net/ipv4/netfilter/ip_conntrack_standalone.c
-@@ -107,6 +107,13 @@ print_conntrack(char *buffer, struct ip_
+--- a/net/ipv4/netfilter/ip_conntrack_standalone.c
++++ b/net/ipv4/netfilter/ip_conntrack_standalone.c
+@@ -107,6 +107,13 @@
len += sprintf(buffer + len, "[ASSURED] ");
len += sprintf(buffer + len, "use=%u ",
atomic_read(&conntrack->ct_general.use));
@@ -132,21 +117,19 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ip_conntrack_standalone.c
+ #if defined(CONFIG_IP_NF_MATCH_LAYER7) || defined(CONFIG_IP_NF_MATCH_LAYER7_MODULE)
+ if(conntrack->layer7.app_proto)
+ len += sprintf(buffer + len, "l7proto=%s ",
-+ conntrack->layer7.app_proto);
++ conntrack->layer7.app_proto);
+ #endif
+
len += sprintf(buffer + len, "\n");
return len;
-Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
-===================================================================
--- /dev/null
-+++ linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
-@@ -0,0 +1,595 @@
-+/*
-+ Kernel module to match application layer (OSI layer 7)
++++ b/net/ipv4/netfilter/ipt_layer7.c
+@@ -0,0 +1,570 @@
++/*
++ Kernel module to match application layer (OSI layer 7)
+ data in connections.
-+
++
+ http://l7-filter.sf.net
+
+ By Matthew Strait and Ethan Sommer, 2003-2005.
@@ -203,24 +186,24 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
+
+/* I'm new to locking. Here are my assumptions:
+
-+- No one will write to /proc/net/layer7_numpackets over and over very fast;
++- No one will write to /proc/net/layer7_numpackets over and over very fast;
+ if they did, nothing awful would happen.
+
+- This code will never be processing the same packet twice at the same time,
+ because iptables rules are traversed in order.
+
-+- It doesn't matter if two packets from different connections are in here at
++- It doesn't matter if two packets from different connections are in here at
+ the same time, because they don't share any data.
+
+- It _does_ matter if two packets from the same connection are here at the same
-+ time. In this case, we have to protect the conntracks and the list of
++ time. In this case, we have to protect the conntracks and the list of
+ compiled patterns.
+*/
+DECLARE_RWLOCK(ct_lock);
+DECLARE_LOCK(list_lock);
+
+#if CONFIG_IP_NF_MATCH_LAYER7_DEBUG
-+/* Converts an unfriendly string into a friendly one by
++/* Converts an unfriendly string into a friendly one by
+replacing unprintables with periods and all whitespace with " ". */
+static char * friendly_print(unsigned char * s)
+{
@@ -228,7 +211,7 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
+ int i;
+
+ if(!f) {
-+ if (net_ratelimit())
++ if (net_ratelimit())
+ printk(KERN_ERR "layer7: out of memory in friendly_print, bailing.\n");
+ return NULL;
+ }
@@ -252,7 +235,7 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
+ return (char)(i - 10 + 'a');
+ break;
+ default:
-+ if (net_ratelimit())
++ if (net_ratelimit())
+ printk("Problem in dec2hex\n");
+ return '\0';
+ }
@@ -264,7 +247,7 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
+ int i;
+
+ if(!g) {
-+ if (net_ratelimit())
++ if (net_ratelimit())
+ printk(KERN_ERR "layer7: out of memory in hex_print, bailing.\n");
+ return NULL;
+ }
@@ -282,7 +265,7 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
+
+/* Use instead of regcomp. As we expect to be seeing the same regexps over and
+over again, it make sense to cache the results. */
-+static regexp * compile_and_cache(char * regex_string, char * protocol)
++static regexp * compile_and_cache(char * regex_string, char * protocol)
+{
+ struct pattern_cache * node = first_pattern_cache;
+ struct pattern_cache * last_pattern_cache = first_pattern_cache;
@@ -290,7 +273,7 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
+ unsigned int len;
+
+ while (node != NULL) {
-+ if (!strcmp(node->regex_string, regex_string))
++ if (!strcmp(node->regex_string, regex_string))
+ return node->pattern;
+
+ last_pattern_cache = node;/* points at the last non-NULL node */
@@ -298,12 +281,12 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
+ }
+
+ /* If we reach the end of the list, then we have not yet cached
-+ the pattern for this regex. Let's do that now.
++ the pattern for this regex. Let's do that now.
+ Be paranoid about running out of memory to avoid list corruption. */
+ tmp = kmalloc(sizeof(struct pattern_cache), GFP_ATOMIC);
+
+ if(!tmp) {
-+ if (net_ratelimit())
++ if (net_ratelimit())
+ printk(KERN_ERR "layer7: out of memory in compile_and_cache, bailing.\n");
+ return NULL;
+ }
@@ -313,7 +296,7 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
+ tmp->next = NULL;
+
+ if(!tmp->regex_string || !tmp->pattern) {
-+ if (net_ratelimit())
++ if (net_ratelimit())
+ printk(KERN_ERR "layer7: out of memory in compile_and_cache, bailing.\n");
+ kfree(tmp->regex_string);
+ kfree(tmp->pattern);
@@ -334,7 +317,7 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
+ DPRINTK("About to compile this: \"%s\"\n", regex_string);
+ node->pattern = regcomp(regex_string, &len);
+ if ( !node->pattern ) {
-+ if (net_ratelimit())
++ if (net_ratelimit())
+ printk(KERN_ERR "layer7: Error compiling regexp \"%s\" (%s)\n", regex_string, protocol);
+ /* pattern is now cached as NULL, so we won't try again. */
+ }
@@ -357,14 +340,14 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
+/* Returns offset the into the skb->data that the application data starts */
+static int app_data_offset(const struct sk_buff *skb)
+{
-+ /* In case we are ported somewhere (ebtables?) where skb->nh.iph
++ /* In case we are ported somewhere (ebtables?) where skb->nh.iph
+ isn't set, this can be gotten from 4*(skb->data[0] & 0x0f) as well. */
+ int ip_hl = 4*skb->nh.iph->ihl;
+
+ if( skb->nh.iph->protocol == IPPROTO_TCP ) {
-+ /* 12 == offset into TCP header for the header length field.
-+ Can't get this with skb->h.th->doff because the tcphdr
-+ struct doesn't get set when routing (this is confirmed to be
++ /* 12 == offset into TCP header for the header length field.
++ Can't get this with skb->h.th->doff because the tcphdr
++ struct doesn't get set when routing (this is confirmed to be
+ true in Netfilter as well as QoS.) */
+ int tcp_hl = 4*(skb->data[ip_hl + 12] >> 4);
+
@@ -374,7 +357,7 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
+ } else if( skb->nh.iph->protocol == IPPROTO_ICMP ) {
+ return ip_hl + 8; /* ICMP header is 8 bytes */
+ } else {
-+ if (net_ratelimit())
++ if (net_ratelimit())
+ printk(KERN_ERR "layer7: tried to handle unknown protocol!\n");
+ return ip_hl + 8; /* something reasonable */
+ }
@@ -394,9 +377,9 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
+ char * f = friendly_print(master_conntrack->layer7.app_data);
+ char * g = hex_print(master_conntrack->layer7.app_data);
+ DPRINTK("\nl7-filter gave up after %d bytes (%d packets):\n%s\n",
-+ strlen(f),
++ strlen(f),
+ TOTAL_PACKETS, f);
-+ kfree(f);
++ kfree(f);
+ DPRINTK("In hex: %s\n", g);
+ kfree(g);
+ }
@@ -413,7 +396,7 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
+ if(!conntrack->layer7.app_proto) {
+ conntrack->layer7.app_proto = kmalloc(strlen(master_conntrack->layer7.app_proto)+1, GFP_ATOMIC);
+ if(!conntrack->layer7.app_proto){
-+ if (net_ratelimit())
++ if (net_ratelimit())
+ printk(KERN_ERR "layer7: out of memory in match_no_append, bailing.\n");
+ WRITE_UNLOCK(&ct_lock);
+ return 1;
@@ -421,16 +404,16 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
+ strcpy(conntrack->layer7.app_proto, master_conntrack->layer7.app_proto);
+ }
+ WRITE_UNLOCK(&ct_lock);
-+
++
+ return (!strcmp(master_conntrack->layer7.app_proto, info->protocol));
+ }
+ else {
-+ /* If not classified, set to "unknown" to distinguish from
++ /* If not classified, set to "unknown" to distinguish from
+ connections that are still being tested. */
+ WRITE_LOCK(&ct_lock);
+ master_conntrack->layer7.app_proto = kmalloc(strlen("unknown")+1, GFP_ATOMIC);
+ if(!master_conntrack->layer7.app_proto){
-+ if (net_ratelimit())
++ if (net_ratelimit())
+ printk(KERN_ERR "layer7: out of memory in match_no_append, bailing.\n");
+ WRITE_UNLOCK(&ct_lock);
+ return 1;
@@ -441,34 +424,26 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
+ }
+}
+
-+static int add_datastr(char *target, int offset, char *app_data, int len)
++/* add the new app data to the conntrack. Return number of bytes added. */
++static int add_data(struct ip_conntrack * master_conntrack,
++ char * app_data, int appdatalen)
+{
+ int length = 0, i;
++ int oldlength = master_conntrack->layer7.app_data_len;
+
+ /* Strip nulls. Make everything lower case (our regex lib doesn't
+ do case insensitivity). Add it to the end of the current data. */
-+ for(i = 0; i < maxdatalen-offset-1 && i < len; i++) {
++ for(i = 0; i < maxdatalen-oldlength-1 && i < appdatalen; i++) {
+ if(app_data[i] != '\0') {
-+ target[length+offset] =
++ master_conntrack->layer7.app_data[length+oldlength] =
+ /* the kernel version of tolower mungs 'upper ascii' */
+ isascii(app_data[i])? tolower(app_data[i]) : app_data[i];
+ length++;
+ }
+ }
+
-+ target[length+offset] = '\0';
-+
-+ return length;
-+}
-+
-+/* add the new app data to the conntrack. Return number of bytes added. */
-+static int add_data(struct ip_conntrack * master_conntrack,
-+ char * app_data, int appdatalen)
-+{
-+ int length;
-+
-+ length = add_datastr(master_conntrack->layer7.app_data, master_conntrack->layer7.app_data_len, app_data, appdatalen);
-+ master_conntrack->layer7.app_data_len += length;
++ master_conntrack->layer7.app_data[length+oldlength] = '\0';
++ master_conntrack->layer7.app_data_len = length + oldlength;
+
+ return length;
+}
@@ -481,7 +456,7 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
+ struct ipt_layer7_info * info = (struct ipt_layer7_info *)matchinfo;
+ enum ip_conntrack_info master_ctinfo, ctinfo;
+ struct ip_conntrack *master_conntrack, *conntrack;
-+ unsigned char *app_data, *tmp_data;
++ unsigned char * app_data;
+ unsigned int pattern_result, appdatalen;
+ regexp * comppattern;
+
@@ -490,16 +465,16 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
+ return info->invert;
+ }
+
-+ /* Treat the parent and all its children together as one connection,
-+ except for the purpose of setting conntrack->layer7.app_proto in the
-+ actual connection. This makes /proc/net/ip_conntrack somewhat more
++ /* Treat the parent and all its children together as one connection,
++ except for the purpose of setting conntrack->layer7.app_proto in the
++ actual connection. This makes /proc/net/ip_conntrack somewhat more
+ satisfying. */
+ if(!(conntrack = ip_conntrack_get((struct sk_buff *)skb, &ctinfo)) ||
+ !(master_conntrack = ip_conntrack_get((struct sk_buff *)skb, &master_ctinfo))) {
+ DPRINTK("layer7: packet is not from a known connection, giving up.\n");
+ return info->invert;
+ }
-+
++
+ /* Try to get a master conntrack (and its master etc) for FTP, etc. */
+ while (master_ct(master_conntrack) != NULL)
+ master_conntrack = master_ct(master_conntrack);
@@ -511,12 +486,12 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
+ }
+
+ /* if we've classified it or seen too many packets */
-+ if(!info->pkt && (TOTAL_PACKETS > num_packets ||
-+ master_conntrack->layer7.app_proto)) {
-+
++ if(TOTAL_PACKETS > num_packets ||
++ master_conntrack->layer7.app_proto) {
++
+ pattern_result = match_no_append(conntrack, master_conntrack, ctinfo, master_ctinfo, info);
-+
-+ /* skb->cb[0] == seen. Avoid doing things twice if there are two l7
++
++ /* skb->cb[0] == seen. Avoid doing things twice if there are two l7
+ rules. I'm not sure that using cb for this purpose is correct, although
+ it says "put your private variables there". But it doesn't look like it
+ is being used for anything else in the skbs that make it here. How can
@@ -528,12 +503,12 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
+
+ if(skb_is_nonlinear(skb)){
+ if(skb_linearize(skb, GFP_ATOMIC) != 0){
-+ if (net_ratelimit())
++ if (net_ratelimit())
+ printk(KERN_ERR "layer7: failed to linearize packet, bailing.\n");
+ return info->invert;
+ }
+ }
-+
++
+ /* now that the skb is linearized, it's safe to set these. */
+ app_data = skb->data + app_data_offset(skb);
+ appdatalen = skb->tail - app_data;
@@ -543,23 +518,6 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
+ comppattern = compile_and_cache(info->pattern, info->protocol);
+ UNLOCK_BH(&list_lock);
+
-+ if (info->pkt) {
-+ tmp_data = kmalloc(maxdatalen, GFP_ATOMIC);
-+ if(!tmp_data){
-+ if (net_ratelimit())
-+ printk(KERN_ERR "layer7: out of memory in match, bailing.\n");
-+ return info->invert;
-+ }
-+
-+ tmp_data[0] = '\0';
-+ add_datastr(tmp_data, 0, app_data, appdatalen);
-+ pattern_result = ((comppattern && regexec(comppattern, tmp_data)) ? 1 : 0);
-+ kfree(tmp_data);
-+ tmp_data = NULL;
-+
-+ return (pattern_result ^ info->invert);
-+ }
-+
+ /* On the first packet of a connection, allocate space for app data */
+ WRITE_LOCK(&ct_lock);
+ if(TOTAL_PACKETS == 1 && !skb->cb[0] && !master_conntrack->layer7.app_data) {
@@ -575,7 +533,7 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
+ }
+ WRITE_UNLOCK(&ct_lock);
+
-+ /* Can be here, but unallocated, if numpackets is increased near
++ /* Can be here, but unallocated, if numpackets is increased near
+ the beginning of a connection */
+ if(master_conntrack->layer7.app_data == NULL)
+ return (info->invert); /* unmatched */
@@ -607,7 +565,7 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
+ WRITE_LOCK(&ct_lock);
+ master_conntrack->layer7.app_proto = kmalloc(strlen(info->protocol)+1, GFP_ATOMIC);
+ if(!master_conntrack->layer7.app_proto){
-+ if (net_ratelimit())
++ if (net_ratelimit())
+ printk(KERN_ERR "layer7: out of memory in match, bailing.\n");
+ WRITE_UNLOCK(&ct_lock);
+ return (pattern_result ^ info->invert);
@@ -625,16 +583,16 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
+static int checkentry(const char *tablename, const struct ipt_ip *ip,
+ void *matchinfo, unsigned int matchsize, unsigned int hook_mask)
+{
-+ if (matchsize != IPT_ALIGN(sizeof(struct ipt_layer7_info)))
++ if (matchsize != IPT_ALIGN(sizeof(struct ipt_layer7_info)))
+ return 0;
+ return 1;
+}
+
-+static struct ipt_match layer7_match = {
-+ .name = "layer7",
-+ .match = &match,
-+ .checkentry = &checkentry,
-+ .me = THIS_MODULE
++static struct ipt_match layer7_match = {
++ .name = "layer7",
++ .match = &match,
++ .checkentry = &checkentry,
++ .me = THIS_MODULE
+};
+
+/* taken from drivers/video/modedb.c */
@@ -654,30 +612,30 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
+}
+
+/* write out num_packets to userland. */
-+static int layer7_read_proc(char* page, char ** start, off_t off, int count,
-+ int* eof, void * data)
++static int layer7_read_proc(char* page, char ** start, off_t off, int count,
++ int* eof, void * data)
+{
-+ if(num_packets > 99 && net_ratelimit())
++ if(num_packets > 99 && net_ratelimit())
+ printk(KERN_ERR "layer7: NOT REACHED. num_packets too big\n");
-+
++
+ page[0] = num_packets/10 + '0';
+ page[1] = num_packets%10 + '0';
+ page[2] = '\n';
+ page[3] = '\0';
-+
++
+ *eof=1;
+
+ return 3;
+}
+
+/* Read in num_packets from userland */
-+static int layer7_write_proc(struct file* file, const char* buffer,
-+ unsigned long count, void *data)
++static int layer7_write_proc(struct file* file, const char* buffer,
++ unsigned long count, void *data)
+{
+ char * foo = kmalloc(count, GFP_ATOMIC);
+
+ if(!foo){
-+ if (net_ratelimit())
++ if (net_ratelimit())
+ printk(KERN_ERR "layer7: out of memory, bailing. num_packets unchanged.\n");
+ return count;
+ }
@@ -687,7 +645,7 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
+ num_packets = my_atoi(foo);
+ kfree (foo);
+
-+ /* This has an arbitrary limit to make the math easier. I'm lazy.
++ /* This has an arbitrary limit to make the math easier. I'm lazy.
+ But anyway, 99 is a LOT! If you want more, you're doing it wrong! */
+ if(num_packets > 99) {
+ printk(KERN_WARNING "layer7: num_packets can't be > 99.\n");
@@ -696,7 +654,7 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
+ printk(KERN_WARNING "layer7: num_packets can't be < 1.\n");
+ num_packets = 1;
+ }
-+
++
+ return count;
+}
+
@@ -721,11 +679,11 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
+ printk(KERN_WARNING "layer7: maxdatalen can't be < 1, using 1\n");
+ maxdatalen = 1;
+ }
-+ /* This is not a hard limit. It's just here to prevent people from
++ /* This is not a hard limit. It's just here to prevent people from
+ bringing their slow machines to a grinding halt. */
+ else if(maxdatalen > 65536) {
+ printk(KERN_WARNING "layer7: maxdatalen can't be > 65536, using 65536\n");
-+ maxdatalen = 65536;
++ maxdatalen = 65536;
+ }
+ return ipt_register_match(&layer7_match);
+}
@@ -738,10 +696,8 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_layer7.c
+
+module_init(init);
+module_exit(fini);
-Index: linux-2.4.35.4/net/ipv4/netfilter/regexp/regexp.c
-===================================================================
--- /dev/null
-+++ linux-2.4.35.4/net/ipv4/netfilter/regexp/regexp.c
++++ b/net/ipv4/netfilter/regexp/regexp.c
@@ -0,0 +1,1195 @@
+/*
+ * regcomp and regexec -- regsub and regerror are elsewhere
@@ -770,7 +726,7 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/regexp/regexp.c
+ *
+ * This code was modified by Ethan Sommer to work within the kernel
+ * (it now uses kmalloc etc..)
-+ *
++ *
+ * Modified slightly by Matthew Strait to use more modern C.
+ */
+
@@ -1098,7 +1054,7 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/regexp/regexp.c
+ }
+
+ /* Make a closing node, and hook it on the end. */
-+ ender = regnode((paren) ? CLOSE+parno : END);
++ ender = regnode((paren) ? CLOSE+parno : END);
+ regtail(ret, ender);
+
+ /* Hook the tails of the branches to the closing node. */
@@ -1789,7 +1745,7 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/regexp/regexp.c
+/*
+ - regnext - dig the "next" pointer out of a node
+ */
-+static char*
++static char*
+regnext(char *p)
+{
+ register int offset;
@@ -1830,7 +1786,7 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/regexp/regexp.c
+ next = regnext(s);
+ if (next == NULL) /* Next ptr. */
+ printf("(0)");
-+ else
++ else
+ printf("(%d)", (s-r->program)+(next-s));
+ s += 3;
+ if (op == ANYOF || op == ANYBUT || op == EXACTLY) {
@@ -1938,10 +1894,8 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/regexp/regexp.c
+#endif
+
+
-Index: linux-2.4.35.4/net/ipv4/netfilter/regexp/regexp.h
-===================================================================
--- /dev/null
-+++ linux-2.4.35.4/net/ipv4/netfilter/regexp/regexp.h
++++ b/net/ipv4/netfilter/regexp/regexp.h
@@ -0,0 +1,40 @@
+/*
+ * Definitions etc. for regexp(3) routines.
@@ -1953,8 +1907,8 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/regexp/regexp.h
+#ifndef REGEXP_H
+#define REGEXP_H
+
-+/*
-+http://www.opensource.apple.com/darwinsource/10.3/expect-1/expect/expect.h ,
++/*
++http://www.opensource.apple.com/darwinsource/10.3/expect-1/expect/expect.h ,
+which contains a version of this library, says:
+
+ *
@@ -1983,20 +1937,16 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/regexp/regexp.h
+void regerror(char *s);
+
+#endif
-Index: linux-2.4.35.4/net/ipv4/netfilter/regexp/regmagic.h
-===================================================================
--- /dev/null
-+++ linux-2.4.35.4/net/ipv4/netfilter/regexp/regmagic.h
++++ b/net/ipv4/netfilter/regexp/regmagic.h
@@ -0,0 +1,5 @@
+/*
+ * The first byte of the regexp internal "program" is actually this magic
+ * number; the start node begins in the second byte.
+ */
+#define MAGIC 0234
-Index: linux-2.4.35.4/net/ipv4/netfilter/regexp/regsub.c
-===================================================================
--- /dev/null
-+++ linux-2.4.35.4/net/ipv4/netfilter/regexp/regsub.c
++++ b/net/ipv4/netfilter/regexp/regsub.c
@@ -0,0 +1,95 @@
+/*
+ * regsub
@@ -2054,7 +2004,7 @@ Index: linux-2.4.35.4/net/ipv4/netfilter/regexp/regsub.c
+ register char c;
+ register int no;
+ register int len;
-+
++
+ /* Not necessary and gcc doesn't like it -MLS */
+ /*extern char *strncpy();*/
+
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 11:41:19 +0000