fedora core 6 1.2949 + vserver 2.2.0
[linux-2.6.git] / net / ipv6 / netfilter / ip6table_mangle.c
index 30a4627..6250e86 100644 (file)
@@ -138,7 +138,7 @@ ip6t_route_hook(unsigned int hook,
         const struct net_device *out,
         int (*okfn)(struct sk_buff *))
 {
-       return ip6t_do_table(pskb, hook, in, out, &packet_mangler, NULL);
+       return ip6t_do_table(pskb, hook, in, out, &packet_mangler);
 }
 
 static unsigned int
@@ -149,11 +149,10 @@ ip6t_local_hook(unsigned int hook,
                   int (*okfn)(struct sk_buff *))
 {
 
-       unsigned long nfmark;
        unsigned int ret;
        struct in6_addr saddr, daddr;
        u_int8_t hop_limit;
-       u_int32_t flowlabel;
+       u_int32_t flowlabel, mark;
 
 #if 0
        /* root is playing with raw sockets. */
@@ -165,27 +164,23 @@ ip6t_local_hook(unsigned int hook,
        }
 #endif
 
-       /* save source/dest address, nfmark, hoplimit, flowlabel, priority,  */
+       /* save source/dest address, mark, hoplimit, flowlabel, priority,  */
        memcpy(&saddr, &(*pskb)->nh.ipv6h->saddr, sizeof(saddr));
        memcpy(&daddr, &(*pskb)->nh.ipv6h->daddr, sizeof(daddr));
-       nfmark = (*pskb)->nfmark;
+       mark = (*pskb)->mark;
        hop_limit = (*pskb)->nh.ipv6h->hop_limit;
 
        /* flowlabel and prio (includes version, which shouldn't change either */
        flowlabel = *((u_int32_t *) (*pskb)->nh.ipv6h);
 
-       ret = ip6t_do_table(pskb, hook, in, out, &packet_mangler, NULL);
+       ret = ip6t_do_table(pskb, hook, in, out, &packet_mangler);
 
        if (ret != NF_DROP && ret != NF_STOLEN 
                && (memcmp(&(*pskb)->nh.ipv6h->saddr, &saddr, sizeof(saddr))
                    || memcmp(&(*pskb)->nh.ipv6h->daddr, &daddr, sizeof(daddr))
-                   || (*pskb)->nfmark != nfmark
-                   || (*pskb)->nh.ipv6h->hop_limit != hop_limit)) {
-
-               /* something which could affect routing has changed */
-
-               DEBUGP("ip6table_mangle: we'd need to re-route a packet\n");
-       }
+                   || (*pskb)->mark != mark
+                   || (*pskb)->nh.ipv6h->hop_limit != hop_limit))
+               return ip6_route_me_harder(*pskb) == 0 ? ret : NF_DROP;
 
        return ret;
 }
@@ -228,7 +223,7 @@ static struct nf_hook_ops ip6t_ops[] = {
        },
 };
 
-static int __init init(void)
+static int __init ip6table_mangle_init(void)
 {
        int ret;
 
@@ -238,51 +233,22 @@ static int __init init(void)
                return ret;
 
        /* Register hooks */
-       ret = nf_register_hook(&ip6t_ops[0]);
+       ret = nf_register_hooks(ip6t_ops, ARRAY_SIZE(ip6t_ops));
        if (ret < 0)
                goto cleanup_table;
 
-       ret = nf_register_hook(&ip6t_ops[1]);
-       if (ret < 0)
-               goto cleanup_hook0;
-
-       ret = nf_register_hook(&ip6t_ops[2]);
-       if (ret < 0)
-               goto cleanup_hook1;
-
-       ret = nf_register_hook(&ip6t_ops[3]);
-       if (ret < 0)
-               goto cleanup_hook2;
-
-       ret = nf_register_hook(&ip6t_ops[4]);
-       if (ret < 0)
-               goto cleanup_hook3;
-
        return ret;
 
- cleanup_hook3:
-        nf_unregister_hook(&ip6t_ops[3]);
- cleanup_hook2:
-       nf_unregister_hook(&ip6t_ops[2]);
- cleanup_hook1:
-       nf_unregister_hook(&ip6t_ops[1]);
- cleanup_hook0:
-       nf_unregister_hook(&ip6t_ops[0]);
  cleanup_table:
        ip6t_unregister_table(&packet_mangler);
-
        return ret;
 }
 
-static void __exit fini(void)
+static void __exit ip6table_mangle_fini(void)
 {
-       unsigned int i;
-
-       for (i = 0; i < sizeof(ip6t_ops)/sizeof(struct nf_hook_ops); i++)
-               nf_unregister_hook(&ip6t_ops[i]);
-
+       nf_unregister_hooks(ip6t_ops, ARRAY_SIZE(ip6t_ops));
        ip6t_unregister_table(&packet_mangler);
 }
 
-module_init(init);
-module_exit(fini);
+module_init(ip6table_mangle_init);
+module_exit(ip6table_mangle_fini);