X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=net%2Fipv4%2Fnetfilter%2Fipt_NETMAP.c;h=2fcf1075b027aedb6bbe8bfbb7678e08bf82ff19;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=06254b29d034fab98e9b16ff6444ec71a0e8640a;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git

diff --git a/net/ipv4/netfilter/ipt_NETMAP.c b/net/ipv4/netfilter/ipt_NETMAP.c
index 06254b29d..2fcf1075b 100644
--- a/net/ipv4/netfilter/ipt_NETMAP.c
+++ b/net/ipv4/netfilter/ipt_NETMAP.c
@@ -31,25 +31,14 @@ MODULE_DESCRIPTION("iptables 1:1 NAT mapping of IP networks target");
 
 static int
 check(const char *tablename,
-      const struct ipt_entry *e,
+      const void *e,
+      const struct xt_target *target,
       void *targinfo,
       unsigned int targinfosize,
       unsigned int hook_mask)
 {
 	const struct ip_nat_multi_range_compat *mr = targinfo;
 
-	if (strcmp(tablename, "nat") != 0) {
-		DEBUGP(MODULENAME":check: bad table `%s'.\n", tablename);
-		return 0;
-	}
-	if (targinfosize != IPT_ALIGN(sizeof(*mr))) {
-		DEBUGP(MODULENAME":check: size %u.\n", targinfosize);
-		return 0;
-	}
-	if (hook_mask & ~((1 << NF_IP_PRE_ROUTING) | (1 << NF_IP_POST_ROUTING))) {
-		DEBUGP(MODULENAME":check: bad hooks %x.\n", hook_mask);
-		return 0;
-	}
 	if (!(mr->range[0].flags & IP_NAT_RANGE_MAP_IPS)) {
 		DEBUGP(MODULENAME":check: bad MAP_IPS.\n");
 		return 0;
@@ -66,6 +55,7 @@ target(struct sk_buff **pskb,
        const struct net_device *in,
        const struct net_device *out,
        unsigned int hooknum,
+       const struct xt_target *target,
        const void *targinfo,
        void *userinfo)
 {
@@ -76,12 +66,13 @@ target(struct sk_buff **pskb,
 	struct ip_nat_range newrange;
 
 	IP_NF_ASSERT(hooknum == NF_IP_PRE_ROUTING
-		     || hooknum == NF_IP_POST_ROUTING);
+		     || hooknum == NF_IP_POST_ROUTING
+		     || hooknum == NF_IP_LOCAL_OUT);
 	ct = ip_conntrack_get(*pskb, &ctinfo);
 
 	netmask = ~(mr->range[0].min_ip ^ mr->range[0].max_ip);
 
-	if (hooknum == NF_IP_PRE_ROUTING)
+	if (hooknum == NF_IP_PRE_ROUTING || hooknum == NF_IP_LOCAL_OUT)
 		new_ip = (*pskb)->nh.iph->daddr & ~netmask;
 	else
 		new_ip = (*pskb)->nh.iph->saddr & ~netmask;
@@ -99,19 +90,23 @@ target(struct sk_buff **pskb,
 static struct ipt_target target_module = { 
 	.name 		= MODULENAME,
 	.target 	= target, 
+	.targetsize	= sizeof(struct ip_nat_multi_range_compat),
+	.table		= "nat",
+	.hooks		= (1 << NF_IP_PRE_ROUTING) | (1 << NF_IP_POST_ROUTING) |
+			  (1 << NF_IP_LOCAL_OUT),
 	.checkentry 	= check,
     	.me 		= THIS_MODULE 
 };
 
-static int __init init(void)
+static int __init ipt_netmap_init(void)
 {
 	return ipt_register_target(&target_module);
 }
 
-static void __exit fini(void)
+static void __exit ipt_netmap_fini(void)
 {
 	ipt_unregister_target(&target_module);
 }
 
-module_init(init);
-module_exit(fini);
+module_init(ipt_netmap_init);
+module_exit(ipt_netmap_fini);