fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / net / ipv4 / netfilter / iptable_mangle.c

diff --git a/net/ipv4/netfilter/iptable_mangle.c b/net/ipv4/netfilter/iptable_mangle.c
index b5b43b2..af29398 100644 (file)
--- a/net/ipv4/netfilter/iptable_mangle.c
+++ b/net/ipv4/netfilter/iptable_mangle.c
@@ -10,7 +10,6 @@
  *
  * Extended to all five netfilter hooks by Brad Chapman & Harald Welte
  */
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/netfilter_ipv4/ip_tables.h>
 #include <linux/netdevice.h>
@@ -29,25 +28,6 @@ MODULE_DESCRIPTION("iptables mangle table");
                            (1 << NF_IP_LOCAL_OUT) | \
                            (1 << NF_IP_POST_ROUTING))
 
-/* Standard entry. */
-struct ipt_standard
-{
-       struct ipt_entry entry;
-       struct ipt_standard_target target;
-};
-
-struct ipt_error_target
-{
-       struct ipt_entry_target target;
-       char errorname[IPT_FUNCTION_MAXNAMELEN];
-};
-
-struct ipt_error
-{
-       struct ipt_entry entry;
-       struct ipt_error_target target;
-};
-
 /* Ouch - five different hooks? Maybe this should be a config option..... -- BC */
 static struct
 {
@@ -125,10 +105,10 @@ static struct
 
 static struct ipt_table packet_mangler = {
        .name           = "mangle",
-       .table          = &initial_table.repl,
        .valid_hooks    = MANGLE_VALID_HOOKS,
        .lock           = RW_LOCK_UNLOCKED,
        .me             = THIS_MODULE,
+       .af             = AF_INET,
 };
 
 /* The work comes in here from netfilter.c. */
@@ -139,7 +119,7 @@ ipt_route_hook(unsigned int hook,
         const struct net_device *out,
         int (*okfn)(struct sk_buff *))
 {
-       return ipt_do_table(pskb, hook, in, out, &packet_mangler, NULL);
+       return ipt_do_table(pskb, hook, in, out, &packet_mangler);
 }
 
 static unsigned int
@@ -151,8 +131,8 @@ ipt_local_hook(unsigned int hook,
 {
        unsigned int ret;
        u_int8_t tos;
-       u_int32_t saddr, daddr;
-       unsigned long nfmark;
+       __be32 saddr, daddr;
+       u_int32_t mark;
 
        /* root is playing with raw sockets. */
        if ((*pskb)->len < sizeof(struct iphdr)
@@ -163,21 +143,20 @@ ipt_local_hook(unsigned int hook,
        }
 
        /* Save things which could affect route */
-       nfmark = (*pskb)->nfmark;
+       mark = (*pskb)->mark;
        saddr = (*pskb)->nh.iph->saddr;
        daddr = (*pskb)->nh.iph->daddr;
        tos = (*pskb)->nh.iph->tos;
 
-       ret = ipt_do_table(pskb, hook, in, out, &packet_mangler, NULL);
+       ret = ipt_do_table(pskb, hook, in, out, &packet_mangler);
        /* Reroute for ANY change. */
        if (ret != NF_DROP && ret != NF_STOLEN && ret != NF_QUEUE
            && ((*pskb)->nh.iph->saddr != saddr
                || (*pskb)->nh.iph->daddr != daddr
-#ifdef CONFIG_IP_ROUTE_FWMARK
-               || (*pskb)->nfmark != nfmark
-#endif
+               || (*pskb)->mark != mark
                || (*pskb)->nh.iph->tos != tos))
-               return ip_route_me_harder(pskb) == 0 ? ret : NF_DROP;
+               if (ip_route_me_harder(pskb, RTN_UNSPEC))
+                       ret = NF_DROP;
 
        return ret;
 }
@@ -220,61 +199,32 @@ static struct nf_hook_ops ipt_ops[] = {
        },
 };
 
-static int __init init(void)
+static int __init iptable_mangle_init(void)
 {
        int ret;
 
        /* Register table */
-       ret = ipt_register_table(&packet_mangler);
+       ret = ipt_register_table(&packet_mangler, &initial_table.repl);
        if (ret < 0)
                return ret;
 
        /* Register hooks */
-       ret = nf_register_hook(&ipt_ops[0]);
+       ret = nf_register_hooks(ipt_ops, ARRAY_SIZE(ipt_ops));
        if (ret < 0)
                goto cleanup_table;
 
-       ret = nf_register_hook(&ipt_ops[1]);
-       if (ret < 0)
-               goto cleanup_hook0;
-
-       ret = nf_register_hook(&ipt_ops[2]);
-       if (ret < 0)
-               goto cleanup_hook1;
-
-       ret = nf_register_hook(&ipt_ops[3]);
-       if (ret < 0)
-               goto cleanup_hook2;
-
-       ret = nf_register_hook(&ipt_ops[4]);
-       if (ret < 0)
-               goto cleanup_hook3;
-
        return ret;
 
- cleanup_hook3:
-        nf_unregister_hook(&ipt_ops[3]);
- cleanup_hook2:
-        nf_unregister_hook(&ipt_ops[2]);
- cleanup_hook1:
-       nf_unregister_hook(&ipt_ops[1]);
- cleanup_hook0:
-       nf_unregister_hook(&ipt_ops[0]);
  cleanup_table:
        ipt_unregister_table(&packet_mangler);
-
        return ret;
 }
 
-static void __exit fini(void)
+static void __exit iptable_mangle_fini(void)
 {
-       unsigned int i;
-
-       for (i = 0; i < sizeof(ipt_ops)/sizeof(struct nf_hook_ops); i++)
-               nf_unregister_hook(&ipt_ops[i]);
-
+       nf_unregister_hooks(ipt_ops, ARRAY_SIZE(ipt_ops));
        ipt_unregister_table(&packet_mangler);
 }
 
-module_init(init);
-module_exit(fini);
+module_init(iptable_mangle_init);
+module_exit(iptable_mangle_fini);