summaryrefslogtreecommitdiff
path: root/net/netfilter/xt_limit.c
diff options
context:
space:
mode:
authorJan Engelhardt <jengelh@computergmbh.de>2008-10-08 11:35:01 +0200
committerPatrick McHardy <kaber@trash.net>2008-10-08 11:35:01 +0200
commit55b69e91040c685a064198bd76e59885b7ad26c6 (patch)
treef106ca5825afdda752b89cae7e7d384ba55a7d44 /net/netfilter/xt_limit.c
parentee999d8b9573df1b547aacdc6d79f86eb79c25cd (diff)
netfilter: implement NFPROTO_UNSPEC as a wildcard for extensions
When a match or target is looked up using xt_find_{match,target}, Xtables will also search the NFPROTO_UNSPEC module list. This allows for protocol-independent extensions (like xt_time) to be reused from other components (e.g. arptables, ebtables). Extensions that take different codepaths depending on match->family or target->family of course cannot use NFPROTO_UNSPEC within the registration structure (e.g. xt_pkttype). Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'net/netfilter/xt_limit.c')
-rw-r--r--net/netfilter/xt_limit.c40
1 files changed, 13 insertions, 27 deletions
diff --git a/net/netfilter/xt_limit.c b/net/netfilter/xt_limit.c
index 584d66893c4b..00247bd1095e 100644
--- a/net/netfilter/xt_limit.c
+++ b/net/netfilter/xt_limit.c
@@ -167,43 +167,29 @@ static int limit_mt_compat_to_user(void __user *dst, void *src)
}
#endif /* CONFIG_COMPAT */
-static struct xt_match limit_mt_reg[] __read_mostly = {
- {
- .name = "limit",
- .family = NFPROTO_IPV4,
- .checkentry = limit_mt_check,
- .match = limit_mt,
- .matchsize = sizeof(struct xt_rateinfo),
+static struct xt_match limit_mt_reg __read_mostly = {
+ .name = "limit",
+ .revision = 0,
+ .family = NFPROTO_UNSPEC,
+ .match = limit_mt,
+ .checkentry = limit_mt_check,
+ .matchsize = sizeof(struct xt_rateinfo),
#ifdef CONFIG_COMPAT
- .compatsize = sizeof(struct compat_xt_rateinfo),
- .compat_from_user = limit_mt_compat_from_user,
- .compat_to_user = limit_mt_compat_to_user,
+ .compatsize = sizeof(struct compat_xt_rateinfo),
+ .compat_from_user = limit_mt_compat_from_user,
+ .compat_to_user = limit_mt_compat_to_user,
#endif
- .me = THIS_MODULE,
- },
- {
- .name = "limit",
- .family = NFPROTO_IPV6,
- .checkentry = limit_mt_check,
- .match = limit_mt,
- .matchsize = sizeof(struct xt_rateinfo),
-#ifdef CONFIG_COMPAT
- .compatsize = sizeof(struct compat_xt_rateinfo),
- .compat_from_user = limit_mt_compat_from_user,
- .compat_to_user = limit_mt_compat_to_user,
-#endif
- .me = THIS_MODULE,
- },
+ .me = THIS_MODULE,
};
static int __init limit_mt_init(void)
{
- return xt_register_matches(limit_mt_reg, ARRAY_SIZE(limit_mt_reg));
+ return xt_register_match(&limit_mt_reg);
}
static void __exit limit_mt_exit(void)
{
- xt_unregister_matches(limit_mt_reg, ARRAY_SIZE(limit_mt_reg));
+ xt_unregister_match(&limit_mt_reg);
}
module_init(limit_mt_init);