From 25153928702222f82c9bb0404d33d13c91947a75 Mon Sep 17 00:00:00 2001 From: Jo-Philipp Wich Date: Wed, 29 Apr 2009 23:31:23 +0000 Subject: [PATCH] drop iptables 1.3.8 and switch to to 1.4.3.2, refresh layer7 kernel patches and add packages for libiptc + libxtables SVN-Revision: 15501 --- package/iptables/Makefile | 59 ++- .../patches/1.3.8/002-layer7_2.17.patch | 425 ------------------ .../1.3.8/003-layer7_2.17_pktmatch.patch | 42 -- .../1.3.8/004-drop_multiport_v0_support.patch | 222 --------- package/iptables/patches/1.3.8/005-imq1.patch | 228 ---------- .../patches/1.3.8/006-ipt_conntrack.patch | 11 - .../patches/1.4.3.2/002-layer7_2.17.patch | 12 +- .../iptables/patches/1.4.3.2/005-imq1.patch | 33 +- ....patch => 602-netfilter_layer7_2.21.patch} | 272 +++++------ 9 files changed, 170 insertions(+), 1134 deletions(-) delete mode 100644 package/iptables/patches/1.3.8/002-layer7_2.17.patch delete mode 100644 package/iptables/patches/1.3.8/003-layer7_2.17_pktmatch.patch delete mode 100644 package/iptables/patches/1.3.8/004-drop_multiport_v0_support.patch delete mode 100644 package/iptables/patches/1.3.8/005-imq1.patch delete mode 100644 package/iptables/patches/1.3.8/006-ipt_conntrack.patch rename target/linux/generic-2.4/patches/{602-netfilter_layer7_2.17_with_pktmatch.patch => 602-netfilter_layer7_2.21.patch} (90%) diff --git a/package/iptables/Makefile b/package/iptables/Makefile index cfce37769cef..8b0e5ca8d338 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 ($(CONFIG_LINUX_2_6),y) - PKG_VERSION:=1.4.3.2 - PKG_RELEASE:=1 - PKG_MD5SUM:=545698693b636cfc844aafc6729fd48a -endif +PKG_VERSION:=1.4.3.2 +PKG_RELEASE:=1 +PKG_MD5SUM:=545698693b636cfc844aafc6729fd48a PKG_VERSION?= @@ -40,10 +31,27 @@ ifeq ($(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 68da741e0045..000000000000 --- 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 , 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 -+*/ -+ -+#define _GNU_SOURCE -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+ -+#include -+#include -+ -+#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 : Look for patterns here instead of /etc/l7-protocols/\n" -+ " (--l7dir must be specified before --l7proto if used!)\n" -+ "--l7proto [!] : 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 c88f759630f9..000000000000 --- 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 : Look for patterns here instead of /etc/l7-protocols/\n" - " (--l7dir must be specified before --l7proto if used!)\n" -- "--l7proto [!] : Match the protocol defined in /etc/l7-protocols/name.pat\n", -+ "--l7proto [!] : 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 e5cbeb6f3478..000000000000 --- 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 && idata; -- -- 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 f17ddeafd6b3..000000000000 --- 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 -+#include -+#include -+#include -+ -+#include -+#include -+#include -+ -+/* Function which prints out usage message. */ -+static void -+help(void) -+{ -+ printf( -+"IMQ target v%s options:\n" -+" --todev enqueue to imq, 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 -+#include -+#include -+#include -+ -+#include -+#include -+#include -+ -+/* Function which prints out usage message. */ -+static void -+help(void) -+{ -+ printf( -+"IMQ target v%s options:\n" -+" --todev enqueue to imq, 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 65ea074e9a21..000000000000 --- 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 ac6b1a48415a..3c5f54c9ad71 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 3c96a3bc3258..4e7afe813e7b 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 +#include +#include +#include + ++#include +#include +#include +#include @@ -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 +#include +#include +#include + ++#include +#include +#include +#include @@ -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 similarity index 90% rename from target/linux/generic-2.4/patches/602-netfilter_layer7_2.17_with_pktmatch.patch rename to target/linux/generic-2.4/patches/602-netfilter_layer7_2.21.patch index 8fb23409ae14..7ad843621240 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 , 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();*/ + -- 2.30.2