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Diffstat (limited to 'net/netfilter/xt_connmark.c')
-rw-r--r--net/netfilter/xt_connmark.c57
1 files changed, 38 insertions, 19 deletions
diff --git a/net/netfilter/xt_connmark.c b/net/netfilter/xt_connmark.c
index d06e925032d..7b16f1ee16b 100644
--- a/net/netfilter/xt_connmark.c
+++ b/net/netfilter/xt_connmark.c
@@ -35,6 +35,7 @@ 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 protoff,
@@ -52,57 +53,75 @@ match(const struct sk_buff *skb,
static int
checkentry(const char *tablename,
const void *ip,
+ const struct xt_match *match,
void *matchinfo,
unsigned int matchsize,
unsigned int hook_mask)
{
- struct xt_connmark_info *cm =
- (struct xt_connmark_info *)matchinfo;
- if (matchsize != XT_ALIGN(sizeof(struct xt_connmark_info)))
- return 0;
+ struct xt_connmark_info *cm = (struct xt_connmark_info *)matchinfo;
if (cm->mark > 0xffffffff || cm->mask > 0xffffffff) {
printk(KERN_WARNING "connmark: only support 32bit mark\n");
return 0;
}
-
+#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
+ if (nf_ct_l3proto_try_module_get(match->family) < 0) {
+ printk(KERN_WARNING "can't load nf_conntrack support for "
+ "proto=%d\n", match->family);
+ return 0;
+ }
+#endif
return 1;
}
+static void
+destroy(const struct xt_match *match, void *matchinfo, unsigned int matchsize)
+{
+#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
+ nf_ct_l3proto_module_put(match->family);
+#endif
+}
+
static struct xt_match connmark_match = {
- .name = "connmark",
- .match = &match,
- .checkentry = &checkentry,
- .me = THIS_MODULE
+ .name = "connmark",
+ .match = match,
+ .matchsize = sizeof(struct xt_connmark_info),
+ .checkentry = checkentry,
+ .destroy = destroy,
+ .family = AF_INET,
+ .me = THIS_MODULE
};
+
static struct xt_match connmark6_match = {
- .name = "connmark",
- .match = &match,
- .checkentry = &checkentry,
- .me = THIS_MODULE
+ .name = "connmark",
+ .match = match,
+ .matchsize = sizeof(struct xt_connmark_info),
+ .checkentry = checkentry,
+ .destroy = destroy,
+ .family = AF_INET6,
+ .me = THIS_MODULE
};
-
static int __init init(void)
{
int ret;
need_conntrack();
- ret = xt_register_match(AF_INET, &connmark_match);
+ ret = xt_register_match(&connmark_match);
if (ret)
return ret;
- ret = xt_register_match(AF_INET6, &connmark6_match);
+ ret = xt_register_match(&connmark6_match);
if (ret)
- xt_unregister_match(AF_INET, &connmark_match);
+ xt_unregister_match(&connmark_match);
return ret;
}
static void __exit fini(void)
{
- xt_unregister_match(AF_INET6, &connmark6_match);
- xt_unregister_match(AF_INET, &connmark_match);
+ xt_unregister_match(&connmark6_match);
+ xt_unregister_match(&connmark_match);
}
module_init(init);