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authorYasuyuki KOZAKAI <yasuyuki@netfilter.org>2007-08-04 08:26:59 +0000
committerYasuyuki KOZAKAI <yasuyuki@netfilter.org>2007-08-04 08:26:59 +0000
commitf8137b1b4cc18d4ff528ac40b83345260bb644ae (patch)
tree886b69b0a9c28ad4acf84aea5024982ff7519359 /extensions/libipt_helper.c
parent6aac50010e50aa42b42089110c8cf4d80b224f14 (diff)
Add IPv6 support to helper match
Diffstat (limited to 'extensions/libipt_helper.c')
-rw-r--r--extensions/libipt_helper.c100
1 files changed, 0 insertions, 100 deletions
diff --git a/extensions/libipt_helper.c b/extensions/libipt_helper.c
deleted file mode 100644
index c862541d..00000000
--- a/extensions/libipt_helper.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/* Shared library add-on to iptables to add related packet matching support. */
-#include <stdio.h>
-#include <netdb.h>
-#include <string.h>
-#include <stdlib.h>
-#include <getopt.h>
-
-#include <iptables.h>
-#include <linux/netfilter_ipv4/ipt_helper.h>
-
-/* Function which prints out usage message. */
-static void
-help(void)
-{
- printf(
-"helper match v%s options:\n"
-"[!] --helper string Match helper identified by string\n"
-"\n",
-IPTABLES_VERSION);
-}
-
-static const struct option opts[] = {
- { "helper", 1, 0, '1' },
- {0}
-};
-
-/* 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 void *entry,
- unsigned int *nfcache,
- struct xt_entry_match **match)
-{
- struct ipt_helper_info *info = (struct ipt_helper_info *)(*match)->data;
-
- switch (c) {
- case '1':
- if (*flags)
- exit_error(PARAMETER_PROBLEM,
- "helper match: Only use --helper ONCE!");
- check_inverse(optarg, &invert, &invert, 0);
- strncpy(info->name, optarg, 29);
- info->name[29] = '\0';
- if (invert)
- info->invert = 1;
- *flags = 1;
- break;
-
- default:
- return 0;
- }
- return 1;
-}
-
-/* Final check; must have specified --helper. */
-static void
-final_check(unsigned int flags)
-{
- if (!flags)
- exit_error(PARAMETER_PROBLEM,
- "helper match: You must specify `--helper'");
-}
-
-/* Prints out the info. */
-static void
-print(const void *ip,
- const struct xt_entry_match *match,
- int numeric)
-{
- struct ipt_helper_info *info = (struct ipt_helper_info *)match->data;
-
- printf("helper match %s\"%s\" ", info->invert ? "! " : "", info->name);
-}
-
-/* Saves the union ipt_info in parsable form to stdout. */
-static void
-save(const void *ip, const struct xt_entry_match *match)
-{
- struct ipt_helper_info *info = (struct ipt_helper_info *)match->data;
-
- printf("%s--helper \"%s\" ",info->invert ? "! " : "", info->name);
-}
-
-static struct iptables_match helper = {
- .name = "helper",
- .version = IPTABLES_VERSION,
- .size = IPT_ALIGN(sizeof(struct ipt_helper_info)),
- .help = &help,
- .parse = &parse,
- .final_check = &final_check,
- .print = &print,
- .save = &save,
- .extra_opts = opts
-};
-
-void _init(void)
-{
- register_match(&helper);
-}