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- /*
- * Implements a dummy match to allow attaching comments to rules
- *
- * 2003-05-13 Brad Fisher (brad@info-link.net)
- */
- #include <linux/module.h>
- #include <linux/skbuff.h>
- #include <linux/netfilter/x_tables.h>
- #include <linux/netfilter/xt_comment.h>
- MODULE_AUTHOR("Brad Fisher <brad@info-link.net>");
- MODULE_DESCRIPTION("iptables comment match module");
- MODULE_LICENSE("GPL");
- MODULE_ALIAS("ipt_comment");
- MODULE_ALIAS("ip6t_comment");
- static int
- match(const struct sk_buff *skb,
- const struct net_device *in,
- const struct net_device *out,
- const struct xt_match *match,
- const void *matchinfo,
- int offset,
- unsigned int protooff,
- int *hotdrop)
- {
- /* We always match */
- return 1;
- }
- static struct xt_match xt_comment_match[] = {
- {
- .name = "comment",
- .family = AF_INET,
- .match = match,
- .matchsize = sizeof(struct xt_comment_info),
- .me = THIS_MODULE
- },
- {
- .name = "comment",
- .family = AF_INET6,
- .match = match,
- .matchsize = sizeof(struct xt_comment_info),
- .me = THIS_MODULE
- },
- };
- static int __init xt_comment_init(void)
- {
- return xt_register_matches(xt_comment_match,
- ARRAY_SIZE(xt_comment_match));
- }
- static void __exit xt_comment_fini(void)
- {
- xt_unregister_matches(xt_comment_match, ARRAY_SIZE(xt_comment_match));
- }
- module_init(xt_comment_init);
- module_exit(xt_comment_fini);
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