-diff -Nurp iptables-1.3.0-stock/extensions/.layer7-test iptables-1.3.0-layer7/extensions/.layer7-test
---- iptables-1.3.0-stock/extensions/.layer7-test 1969-12-31 18:00:00.000000000 -0600
-+++ iptables-1.3.0-layer7/extensions/.layer7-test 2005-03-01 22:12:06.000000000 -0600
-@@ -0,0 +1,2 @@
-+#! /bin/sh
-+[ -f $KERNEL_DIR/include/linux/netfilter_ipv4/ipt_layer7.h ] && echo layer7
-diff -Nurp iptables-1.3.0-stock/extensions/libipt_layer7.c iptables-1.3.0-layer7/extensions/libipt_layer7.c
---- iptables-1.3.0-stock/extensions/libipt_layer7.c 1969-12-31 18:00:00.000000000 -0600
-+++ iptables-1.3.0-layer7/extensions/libipt_layer7.c 2005-03-06 22:14:13.000000000 -0600
-@@ -0,0 +1,357 @@
-+/*
-+ 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 }
-+};
-+
-+/* Initialize the match. */
-+static void init(struct ipt_entry_match *m, unsigned int *nfcache)
-+{
-+ *nfcache |= NFC_UNKNOWN;
-+}
-+
-+/* 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)
-+ {
-+ if(strcmp(line, protoname))
-+ exit_error(OTHER_PROBLEM,
-+ "Protocol name (%s) doesn't match file name (%s). Bailing out\n",
-+ protoname, 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] ) );
-+ 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 --pattern. */
-+static void final_check(unsigned int flags)
-+{
-+ if (!flags)
-+ exit_error(PARAMETER_PROBLEM,
-+ "LAYER7 match: You must specify `--pattern'");
-+}
-+
-+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,
-+ .init = &init,
-+ .parse = &parse,
-+ .final_check = &final_check,
-+ .print = &print,
-+ .save = &save,
-+ .extra_opts = opts
-+};
-+
-+void _init(void)
-+{
-+ register_match(&layer7);
-+}
-diff -Nurp iptables-1.3.0-stock/extensions/libipt_layer7.c.orig iptables-1.3.0-layer7/extensions/libipt_layer7.c.orig
---- iptables-1.3.0-stock/extensions/libipt_layer7.c.orig 1969-12-31 18:00:00.000000000 -0600
-+++ iptables-1.3.0-layer7/extensions/libipt_layer7.c.orig 2005-03-06 22:20:28.000000000 -0600
-@@ -0,0 +1,357 @@
-+/*
-+ 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 }
-+};
-+
-+/* Initialize the match. */
-+static void init(struct ipt_entry_match *m, unsigned int *nfcache)
-+{
-+ *nfcache |= NFC_UNKNOWN;
-+}
-+
-+/* 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;
-+ int 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)
-+ {
-+ if(strcmp(line, protoname))
-+ exit_error(OTHER_PROBLEM,
-+ "Protocol name (%s) doesn't match file name (%s). Bailing out\n",
-+ protoname, 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] ) );
-+ 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 --pattern. */
-+static void final_check(unsigned int flags)
-+{
-+ if (!flags)
-+ exit_error(PARAMETER_PROBLEM,
-+ "LAYER7 match: You must specify `--pattern'");
-+}
-+
-+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,
-+ .init = &init,
-+ .parse = &parse,
-+ .final_check = &final_check,
-+ .print = &print,
-+ .save = &save,
-+ .extra_opts = opts
-+};
-+
-+void _init(void)
-+{
-+ register_match(&layer7);
-+}
-diff -Nurp iptables-1.3.0-stock/extensions/libipt_layer7.man iptables-1.3.0-layer7/extensions/libipt_layer7.man
---- iptables-1.3.0-stock/extensions/libipt_layer7.man 1969-12-31 18:00:00.000000000 -0600
-+++ iptables-1.3.0-layer7/extensions/libipt_layer7.man 2005-03-01 22:12:06.000000000 -0600
-@@ -0,0 +1,13 @@
-+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/
-+.TP
-+.BI "--l7dir " "\fIdirectory\fP"
-+Use \fIdirectory\fP instead of /etc/l7-protocols/
-+
---- iptables-1.3.1/extensions/Makefile.orig 2005-04-01 23:02:50.000000000 +0200
-+++ iptables-1.3.1/extensions/Makefile 2005-04-01 23:03:06.000000000 +0200
-@@ -11,6 +11,8 @@
-
- # ipp2p
- PF_EXT_SLIB += ipp2p
-+# layer7
-+PF_EXT_SLIB += layer7
-
- # Optionals
- PF_EXT_SLIB_OPTS:=$(foreach T,$(wildcard extensions/.*-test),$(shell KERNEL_DIR=$(KERNEL_DIR) $(T)))
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