update to 1.4.7 and change repositoyry layout as this is easier to maintain
[iptables.git] / extensions / libipt_ttl.c
diff --git a/extensions/libipt_ttl.c b/extensions/libipt_ttl.c
deleted file mode 100644 (file)
index 25b9206..0000000
+++ /dev/null
@@ -1,168 +0,0 @@
-/* Shared library add-on to iptables to add TTL matching support 
- * (C) 2000 by Harald Welte <laforge@gnumonks.org>
- *
- * $Id$
- *
- * This program is released under the terms of GNU GPL */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <getopt.h>
-#include <iptables.h>
-
-#include <linux/netfilter_ipv4/ip_tables.h>
-#include <linux/netfilter_ipv4/ipt_ttl.h>
-
-static void ttl_help(void)
-{
-       printf(
-"ttl match options:\n"
-"  --ttl-eq value      Match time to live value\n"
-"  --ttl-lt value      Match TTL < value\n"
-"  --ttl-gt value      Match TTL > value\n");
-}
-
-static int ttl_parse(int c, char **argv, int invert, unsigned int *flags,
-                     const void *entry, struct xt_entry_match **match)
-{
-       struct ipt_ttl_info *info = (struct ipt_ttl_info *) (*match)->data;
-       unsigned int value;
-
-       check_inverse(optarg, &invert, &optind, 0);
-
-       switch (c) {
-               case '2':
-                       if (string_to_number(optarg, 0, 255, &value) == -1)
-                               exit_error(PARAMETER_PROBLEM,
-                                          "ttl: Expected value between 0 and 255");
-
-                       if (invert)
-                               info->mode = IPT_TTL_NE;
-                       else
-                               info->mode = IPT_TTL_EQ;
-
-                       /* is 0 allowed? */
-                       info->ttl = value;
-                       break;
-               case '3':
-                       if (string_to_number(optarg, 0, 255, &value) == -1)
-                               exit_error(PARAMETER_PROBLEM,
-                                          "ttl: Expected value between 0 and 255");
-
-                       if (invert) 
-                               exit_error(PARAMETER_PROBLEM,
-                                               "ttl: unexpected `!'");
-
-                       info->mode = IPT_TTL_LT;
-                       info->ttl = value;
-                       break;
-               case '4':
-                       if (string_to_number(optarg, 0, 255, &value) == -1)
-                               exit_error(PARAMETER_PROBLEM,
-                                          "ttl: Expected value between 0 and 255");
-
-                       if (invert)
-                               exit_error(PARAMETER_PROBLEM,
-                                               "ttl: unexpected `!'");
-
-                       info->mode = IPT_TTL_GT;
-                       info->ttl = value;
-                       break;
-               default:
-                       return 0;
-
-       }
-
-       if (*flags) 
-               exit_error(PARAMETER_PROBLEM, 
-                               "Can't specify TTL option twice");
-       *flags = 1;
-
-       return 1;
-}
-
-static void ttl_check(unsigned int flags)
-{
-       if (!flags) 
-               exit_error(PARAMETER_PROBLEM,
-                       "TTL match: You must specify one of "
-                       "`--ttl-eq', `--ttl-lt', `--ttl-gt");
-}
-
-static void ttl_print(const void *ip, const struct xt_entry_match *match,
-                      int numeric)
-{
-       const struct ipt_ttl_info *info = 
-               (struct ipt_ttl_info *) match->data;
-
-       printf("TTL match ");
-       switch (info->mode) {
-               case IPT_TTL_EQ:
-                       printf("TTL == ");
-                       break;
-               case IPT_TTL_NE:
-                       printf("TTL != ");
-                       break;
-               case IPT_TTL_LT:
-                       printf("TTL < ");
-                       break;
-               case IPT_TTL_GT:
-                       printf("TTL > ");
-                       break;
-       }
-       printf("%u ", info->ttl);
-}
-
-static void ttl_save(const void *ip, const struct xt_entry_match *match)
-{
-       const struct ipt_ttl_info *info =
-               (struct ipt_ttl_info *) match->data;
-
-       switch (info->mode) {
-               case IPT_TTL_EQ:
-                       printf("--ttl-eq ");
-                       break;
-               case IPT_TTL_NE:
-                       printf("! --ttl-eq ");
-                       break;
-               case IPT_TTL_LT:
-                       printf("--ttl-lt ");
-                       break;
-               case IPT_TTL_GT:
-                       printf("--ttl-gt ");
-                       break;
-               default:
-                       /* error */
-                       break;
-       }
-       printf("%u ", info->ttl);
-}
-
-static const struct option ttl_opts[] = {
-       { "ttl", 1, NULL, '2' },
-       { "ttl-eq", 1, NULL, '2'},
-       { "ttl-lt", 1, NULL, '3'},
-       { "ttl-gt", 1, NULL, '4'},
-       { .name = NULL }
-};
-
-static struct xtables_match ttl_mt_reg = {
-       .name           = "ttl",
-       .version        = XTABLES_VERSION,
-       .family         = PF_INET,
-       .size           = XT_ALIGN(sizeof(struct ipt_ttl_info)),
-       .userspacesize  = XT_ALIGN(sizeof(struct ipt_ttl_info)),
-       .help           = ttl_help,
-       .parse          = ttl_parse,
-       .final_check    = ttl_check,
-       .print          = ttl_print,
-       .save           = ttl_save,
-       .extra_opts     = ttl_opts,
-};
-
-
-void _init(void) 
-{
-       xtables_register_match(&ttl_mt_reg);
-}