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authorYasuyuki KOZAKAI <yasuyuki@netfilter.org>2007-07-24 07:21:17 +0000
committerYasuyuki KOZAKAI <yasuyuki@netfilter.org>2007-07-24 07:21:17 +0000
commit9ea637d5a7ebfb04e97db4cb114117474bbda9cf (patch)
tree26d882d0bf16296b2ec60b86a37f01588d523f77 /extensions/libipt_comment.c
parent3c96c8e1947ae4621e39c1d380358da603d2e65c (diff)
Add IPv6 support to comment match
Diffstat (limited to 'extensions/libipt_comment.c')
-rw-r--r--extensions/libipt_comment.c119
1 files changed, 0 insertions, 119 deletions
diff --git a/extensions/libipt_comment.c b/extensions/libipt_comment.c
deleted file mode 100644
index ba0e92f2..00000000
--- a/extensions/libipt_comment.c
+++ /dev/null
@@ -1,119 +0,0 @@
-/* Shared library add-on to iptables to add comment match support.
- *
- * ChangeLog
- * 2003-05-13: Brad Fisher <brad@info-link.net>
- * Initial comment match
- * 2004-05-12: Brad Fisher <brad@info-link.net>
- * Port to patch-o-matic-ng
- */
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <getopt.h>
-
-#include <iptables.h>
-#include <linux/netfilter_ipv4/ipt_comment.h>
-
-/* Function which prints out usage message. */
-static void
-help(void)
-{
- printf(
- "COMMENT match options:\n"
- "--comment COMMENT Attach a comment to a rule\n\n"
- );
-}
-
-static struct option opts[] = {
- { "comment", 1, 0, '1' },
- {0}
-};
-
-static void
-parse_comment(const char *s, struct ipt_comment_info *info)
-{
- int slen = strlen(s);
-
- if (slen >= IPT_MAX_COMMENT_LEN) {
- exit_error(PARAMETER_PROBLEM,
- "COMMENT must be shorter than %i characters", IPT_MAX_COMMENT_LEN);
- }
- strcpy((char *)info->comment, s);
-}
-
-/* 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_comment_info *commentinfo = (struct ipt_comment_info *)(*match)->data;
-
- switch (c) {
- case '1':
- check_inverse(argv[optind-1], &invert, &optind, 0);
- if (invert) {
- exit_error(PARAMETER_PROBLEM,
- "Sorry, you can't have an inverted comment");
- }
- parse_comment(argv[optind-1], commentinfo);
- *flags = 1;
- break;
-
- default:
- return 0;
- }
- return 1;
-}
-
-/* Final check; must have specified --comment. */
-static void
-final_check(unsigned int flags)
-{
- if (!flags)
- exit_error(PARAMETER_PROBLEM,
- "COMMENT match: You must specify `--comment'");
-}
-
-/* Prints out the matchinfo. */
-static void
-print(const void *ip,
- const struct xt_entry_match *match,
- int numeric)
-{
- struct ipt_comment_info *commentinfo = (struct ipt_comment_info *)match->data;
-
- commentinfo->comment[IPT_MAX_COMMENT_LEN-1] = '\0';
- printf("/* %s */ ", commentinfo->comment);
-}
-
-/* Saves the union ipt_matchinfo in parsable form to stdout. */
-static void
-save(const void *ip, const struct xt_entry_match *match)
-{
- struct ipt_comment_info *commentinfo = (struct ipt_comment_info *)match->data;
-
- commentinfo->comment[IPT_MAX_COMMENT_LEN-1] = '\0';
- printf("--comment \"%s\" ", commentinfo->comment);
-}
-
-static struct iptables_match comment = {
- .next = NULL,
- .name = "comment",
- .version = IPTABLES_VERSION,
- .size = IPT_ALIGN(sizeof(struct ipt_comment_info)),
- .userspacesize = IPT_ALIGN(sizeof(struct ipt_comment_info)),
- .help = &help,
- .parse = &parse,
- .final_check = &final_check,
- .print = &print,
- .save = &save,
- .extra_opts = opts
-};
-
-void _init(void)
-{
- register_match(&comment);
-}