update to 1.4.7 and change repositoyry layout as this is easier to maintain
[iptables.git] / extensions / libip6t_hl.c
diff --git a/extensions/libip6t_hl.c b/extensions/libip6t_hl.c
deleted file mode 100644 (file)
index 2af9a20..0000000
+++ /dev/null
@@ -1,145 +0,0 @@
-/*
- * IPv6 Hop Limit matching module
- * Maciej Soltysiak <solt@dns.toxicfilms.tv>
- * Based on HW's ttl match
- * This program is released under the terms of GNU GPL
- * Cleanups by Stephane Ouellette <ouellettes@videotron.ca>
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <getopt.h>
-#include <ip6tables.h>
-
-#include <linux/netfilter_ipv6/ip6_tables.h>
-#include <linux/netfilter_ipv6/ip6t_hl.h>
-
-static void hl_help(void)
-{
-       printf(
-"hl match options:\n"
-"  --hl-eq [!] value   Match hop limit value\n"
-"  --hl-lt value       Match HL < value\n"
-"  --hl-gt value       Match HL > value\n");
-}
-
-static int hl_parse(int c, char **argv, int invert, unsigned int *flags,
-                    const void *entry, struct xt_entry_match **match)
-{
-       struct ip6t_hl_info *info = (struct ip6t_hl_info *) (*match)->data;
-       u_int8_t value;
-
-       check_inverse(optarg, &invert, &optind, 0);
-       value = atoi(argv[optind-1]);
-
-       if (*flags) 
-               exit_error(PARAMETER_PROBLEM, 
-                               "Can't specify HL option twice");
-
-       if (!optarg)
-               exit_error(PARAMETER_PROBLEM,
-                               "hl: You must specify a value");
-       switch (c) {
-               case '2':
-                       if (invert)
-                               info->mode = IP6T_HL_NE;
-                       else
-                               info->mode = IP6T_HL_EQ;
-
-                       /* is 0 allowed? */
-                       info->hop_limit = value;
-                       *flags = 1;
-
-                       break;
-               case '3':
-                       if (invert) 
-                               exit_error(PARAMETER_PROBLEM,
-                                               "hl: unexpected `!'");
-
-                       info->mode = IP6T_HL_LT;
-                       info->hop_limit = value;
-                       *flags = 1;
-
-                       break;
-               case '4':
-                       if (invert)
-                               exit_error(PARAMETER_PROBLEM,
-                                               "hl: unexpected `!'");
-
-                       info->mode = IP6T_HL_GT;
-                       info->hop_limit = value;
-                       *flags = 1;
-
-                       break;
-               default:
-                       return 0;
-       }
-
-       return 1;
-}
-
-static void hl_check(unsigned int flags)
-{
-       if (!flags) 
-               exit_error(PARAMETER_PROBLEM,
-                       "HL match: You must specify one of "
-                       "`--hl-eq', `--hl-lt', `--hl-gt'");
-}
-
-static void hl_print(const void *ip, const struct xt_entry_match *match,
-                     int numeric)
-{
-       static const char *op[] = {
-               [IP6T_HL_EQ] = "==",
-               [IP6T_HL_NE] = "!=",
-               [IP6T_HL_LT] = "<",
-               [IP6T_HL_GT] = ">" };
-
-       const struct ip6t_hl_info *info = 
-               (struct ip6t_hl_info *) match->data;
-
-       printf("HL match HL %s %u ", op[info->mode], info->hop_limit);
-}
-
-static void hl_save(const void *ip, const struct xt_entry_match *match)
-{
-       static const char *op[] = {
-               [IP6T_HL_EQ] = "eq",
-               [IP6T_HL_NE] = "eq !",
-               [IP6T_HL_LT] = "lt",
-               [IP6T_HL_GT] = "gt" };
-
-       const struct ip6t_hl_info *info =
-               (struct ip6t_hl_info *) match->data;
-
-       printf("--hl-%s %u ", op[info->mode], info->hop_limit);
-}
-
-static const struct option hl_opts[] = {
-       { .name = "hl",    .has_arg = 1, .val = '2' },
-       { .name = "hl-eq", .has_arg = 1, .val = '2' },
-       { .name = "hl-lt", .has_arg = 1, .val = '3' },
-       { .name = "hl-gt", .has_arg = 1, .val = '4' },
-       { .name = NULL }
-};
-
-static struct xtables_match hl_mt6_reg = {
-       .name          = "hl",
-       .version       = XTABLES_VERSION,
-       .family        = PF_INET6,
-       .size          = XT_ALIGN(sizeof(struct ip6t_hl_info)),
-       .userspacesize = XT_ALIGN(sizeof(struct ip6t_hl_info)),
-       .help          = hl_help,
-       .parse         = hl_parse,
-       .final_check   = hl_check,
-       .print         = hl_print,
-       .save          = hl_save,
-       .extra_opts    = hl_opts,
-};
-
-
-void _init(void) 
-{
-       xtables_register_match(&hl_mt6_reg);
-}