X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=net%2Fipv4%2Fnetfilter%2Fipt_NETMAP.c;h=9390e90f2b25f0eb951ca7550de03b464f332483;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=561efb17098cc58bf03ba0a6bc9c4228eaaf8747;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git

diff --git a/net/ipv4/netfilter/ipt_NETMAP.c b/net/ipv4/netfilter/ipt_NETMAP.c
index 561efb170..9390e90f2 100644
--- a/net/ipv4/netfilter/ipt_NETMAP.c
+++ b/net/ipv4/netfilter/ipt_NETMAP.c
@@ -10,13 +10,16 @@
  * published by the Free Software Foundation.
  */
 
-#include <linux/config.h>
 #include <linux/ip.h>
 #include <linux/module.h>
 #include <linux/netdevice.h>
 #include <linux/netfilter.h>
 #include <linux/netfilter_ipv4.h>
+#ifdef CONFIG_NF_NAT_NEEDED
+#include <net/netfilter/nf_nat_rule.h>
+#else
 #include <linux/netfilter_ipv4/ip_nat_rule.h>
+#endif
 
 #define MODULENAME "NETMAP"
 MODULE_LICENSE("GPL");
@@ -31,25 +34,13 @@ 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 *mr = targinfo;
+	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;
@@ -66,31 +57,32 @@ target(struct sk_buff **pskb,
        const struct net_device *in,
        const struct net_device *out,
        unsigned int hooknum,
-       const void *targinfo,
-       void *userinfo)
+       const struct xt_target *target,
+       const void *targinfo)
 {
 	struct ip_conntrack *ct;
 	enum ip_conntrack_info ctinfo;
-	u_int32_t new_ip, netmask;
-	const struct ip_nat_multi_range *mr = targinfo;
-	struct ip_nat_multi_range newrange;
+	__be32 new_ip, netmask;
+	const struct ip_nat_multi_range_compat *mr = targinfo;
+	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;
 	new_ip |= mr->range[0].min_ip & netmask;
 
-	newrange = ((struct ip_nat_multi_range)
-	{ 1, { { mr->range[0].flags | IP_NAT_RANGE_MAP_IPS,
-		 new_ip, new_ip,
-		 mr->range[0].min, mr->range[0].max } } });
+	newrange = ((struct ip_nat_range)
+		{ mr->range[0].flags | IP_NAT_RANGE_MAP_IPS,
+		  new_ip, new_ip,
+		  mr->range[0].min, mr->range[0].max });
 
 	/* Hand modified range to generic setup. */
 	return ip_nat_setup_info(ct, &newrange, hooknum);
@@ -99,19 +91,23 @@ 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);