X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=net%2Fnetfilter%2Fxt_pkttype.c;h=16e7b080428760c69559135a49bd3cfe76cbad81;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=ab1b2630f97d1d54c1ae64f4ba8626d3606a2988;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/net/netfilter/xt_pkttype.c b/net/netfilter/xt_pkttype.c
index ab1b2630f..16e7b0804 100644
--- a/net/netfilter/xt_pkttype.c
+++ b/net/netfilter/xt_pkttype.c
@@ -9,6 +9,8 @@
 #include <linux/skbuff.h>
 #include <linux/if_ether.h>
 #include <linux/if_packet.h>
+#include <linux/in.h>
+#include <linux/ip.h>
 
 #include <linux/netfilter/xt_pkttype.h>
 #include <linux/netfilter/x_tables.h>
@@ -22,61 +24,52 @@ MODULE_ALIAS("ip6t_pkttype");
 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)
 {
+	u_int8_t type;
 	const struct xt_pkttype_info *info = matchinfo;
 
-	return (skb->pkt_type == info->pkttype) ^ info->invert;
-}
-
-static int checkentry(const char *tablename,
-		   const void *ip,
-		   void *matchinfo,
-		   unsigned int matchsize,
-		   unsigned int hook_mask)
-{
-	if (matchsize != XT_ALIGN(sizeof(struct xt_pkttype_info)))
-		return 0;
+	if (skb->pkt_type == PACKET_LOOPBACK)
+		type = (MULTICAST(skb->nh.iph->daddr)
+			? PACKET_MULTICAST
+			: PACKET_BROADCAST);
+	else
+		type = skb->pkt_type;
 
-	return 1;
+	return (type == info->pkttype) ^ info->invert;
 }
 
-static struct xt_match pkttype_match = {
-	.name		= "pkttype",
-	.match		= &match,
-	.checkentry	= &checkentry,
-	.me		= THIS_MODULE,
-};
-static struct xt_match pkttype6_match = {
-	.name		= "pkttype",
-	.match		= &match,
-	.checkentry	= &checkentry,
-	.me		= THIS_MODULE,
+static struct xt_match xt_pkttype_match[] = {
+	{
+		.name		= "pkttype",
+		.family		= AF_INET,
+		.match		= match,
+		.matchsize	= sizeof(struct xt_pkttype_info),
+		.me		= THIS_MODULE,
+	},
+	{
+		.name		= "pkttype",
+		.family		= AF_INET6,
+		.match		= match,
+		.matchsize	= sizeof(struct xt_pkttype_info),
+		.me		= THIS_MODULE,
+	},
 };
 
-
-static int __init init(void)
+static int __init xt_pkttype_init(void)
 {
-	int ret;
-	ret = xt_register_match(AF_INET, &pkttype_match);
-	if (ret)
-		return ret;
-
-	ret = xt_register_match(AF_INET6, &pkttype6_match);
-	if (ret)
-		xt_unregister_match(AF_INET, &pkttype_match);
-
-	return ret;
+	return xt_register_matches(xt_pkttype_match,
+				   ARRAY_SIZE(xt_pkttype_match));
 }
 
-static void __exit fini(void)
+static void __exit xt_pkttype_fini(void)
 {
-	xt_unregister_match(AF_INET, &pkttype_match);
-	xt_unregister_match(AF_INET6, &pkttype6_match);
+	xt_unregister_matches(xt_pkttype_match, ARRAY_SIZE(xt_pkttype_match));
 }
 
-module_init(init);
-module_exit(fini);
+module_init(xt_pkttype_init);
+module_exit(xt_pkttype_fini);