X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=net%2Fnetfilter%2Fxt_dccp.c;h=3e6cf430e518ee8a8a843016a54a50d8dca886df;hb=refs%2Fheads%2Fvserver;hp=779f42fc95243ad27fe4d569041ea6f038b244f3;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/net/netfilter/xt_dccp.c b/net/netfilter/xt_dccp.c
index 779f42fc9..3e6cf430e 100644
--- a/net/netfilter/xt_dccp.c
+++ b/net/netfilter/xt_dccp.c
@@ -95,13 +95,13 @@ 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,
       int *hotdrop)
 {
-	const struct xt_dccp_info *info = 
-				(const struct xt_dccp_info *)matchinfo;
+	const struct xt_dccp_info *info = matchinfo;
 	struct dccp_hdr _dh, *dh;
 
 	if (offset)
@@ -129,61 +129,39 @@ match(const struct sk_buff *skb,
 static int
 checkentry(const char *tablename,
 	   const void *inf,
+	   const struct xt_match *match,
 	   void *matchinfo,
-	   unsigned int matchsize,
 	   unsigned int hook_mask)
 {
-	const struct ipt_ip *ip = inf;
-	const struct xt_dccp_info *info;
+	const struct xt_dccp_info *info = matchinfo;
 
-	info = (const struct xt_dccp_info *)matchinfo;
-
-	return ip->proto == IPPROTO_DCCP
-		&& !(ip->invflags & XT_INV_PROTO)
-		&& matchsize == XT_ALIGN(sizeof(struct xt_dccp_info))
-		&& !(info->flags & ~XT_DCCP_VALID_FLAGS)
-		&& !(info->invflags & ~XT_DCCP_VALID_FLAGS)
-		&& !(info->invflags & ~info->flags);
-}
-
-static int
-checkentry6(const char *tablename,
-	   const void *inf,
-	   void *matchinfo,
-	   unsigned int matchsize,
-	   unsigned int hook_mask)
-{
-	const struct ip6t_ip6 *ip = inf;
-	const struct xt_dccp_info *info;
-
-	info = (const struct xt_dccp_info *)matchinfo;
-
-	return ip->proto == IPPROTO_DCCP
-		&& !(ip->invflags & XT_INV_PROTO)
-		&& matchsize == XT_ALIGN(sizeof(struct xt_dccp_info))
-		&& !(info->flags & ~XT_DCCP_VALID_FLAGS)
+	return !(info->flags & ~XT_DCCP_VALID_FLAGS)
 		&& !(info->invflags & ~XT_DCCP_VALID_FLAGS)
 		&& !(info->invflags & ~info->flags);
 }
 
-
-static struct xt_match dccp_match = 
-{ 
-	.name 		= "dccp",
-	.match		= &match,
-	.checkentry	= &checkentry,
-	.me 		= THIS_MODULE,
-};
-static struct xt_match dccp6_match = 
-{ 
-	.name 		= "dccp",
-	.match		= &match,
-	.checkentry	= &checkentry6,
-	.me 		= THIS_MODULE,
+static struct xt_match xt_dccp_match[] = {
+	{
+		.name 		= "dccp",
+		.family		= AF_INET,
+		.checkentry	= checkentry,
+		.match		= match,
+		.matchsize	= sizeof(struct xt_dccp_info),
+		.proto		= IPPROTO_DCCP,
+		.me 		= THIS_MODULE,
+	},
+	{
+		.name 		= "dccp",
+		.family		= AF_INET6,
+		.checkentry	= checkentry,
+		.match		= match,
+		.matchsize	= sizeof(struct xt_dccp_info),
+		.proto		= IPPROTO_DCCP,
+		.me 		= THIS_MODULE,
+	},
 };
 
-
-static int __init init(void)
+static int __init xt_dccp_init(void)
 {
 	int ret;
 
@@ -193,29 +171,21 @@ static int __init init(void)
 	dccp_optbuf = kmalloc(256 * 4, GFP_KERNEL);
 	if (!dccp_optbuf)
 		return -ENOMEM;
-	ret = xt_register_match(AF_INET, &dccp_match);
+	ret = xt_register_matches(xt_dccp_match, ARRAY_SIZE(xt_dccp_match));
 	if (ret)
 		goto out_kfree;
-	ret = xt_register_match(AF_INET6, &dccp6_match);
-	if (ret)
-		goto out_unreg;
-
 	return ret;
 
-out_unreg:
-	xt_unregister_match(AF_INET, &dccp_match);
 out_kfree:
 	kfree(dccp_optbuf);
-
 	return ret;
 }
 
-static void __exit fini(void)
+static void __exit xt_dccp_fini(void)
 {
-	xt_unregister_match(AF_INET6, &dccp6_match);
-	xt_unregister_match(AF_INET, &dccp_match);
+	xt_unregister_matches(xt_dccp_match, ARRAY_SIZE(xt_dccp_match));
 	kfree(dccp_optbuf);
 }
 
-module_init(init);
-module_exit(fini);
+module_init(xt_dccp_init);
+module_exit(xt_dccp_fini);