Merge with http://kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git

[linux-2.6-omap-h63xx.git] / net / ipv4 / netfilter / ipt_MASQUERADE.c

diff --git a/net/ipv4/netfilter/ipt_MASQUERADE.c b/net/ipv4/netfilter/ipt_MASQUERADE.c
index 91e74502c3d36ae652eca8041cc8dc66690eaf44..275a174c6fe69c56bf2296cb33323d910a34c49e 100644 (file)
--- a/net/ipv4/netfilter/ipt_MASQUERADE.c
+++ b/net/ipv4/netfilter/ipt_MASQUERADE.c
@@ -86,15 +86,16 @@ masquerade_target(struct sk_buff **pskb,
 
        IP_NF_ASSERT(hooknum == NF_IP_POST_ROUTING);
 
-       /* FIXME: For the moment, don't do local packets, breaks
-          testsuite for 2.3.49 --RR */
-       if ((*pskb)->sk)
-               return NF_ACCEPT;
-
        ct = ip_conntrack_get(*pskb, &ctinfo);
        IP_NF_ASSERT(ct && (ctinfo == IP_CT_NEW || ctinfo == IP_CT_RELATED
                            || ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY));
 
+       /* Source address is 0.0.0.0 - locally generated packet that is
+        * probably not supposed to be masqueraded.
+        */
+       if (ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.ip == 0)
+               return NF_ACCEPT;
+
        mr = targinfo;
        rt = (struct rtable *)(*pskb)->dst;
        newsrc = inet_select_addr(out, rt->rt_gateway, RT_SCOPE_UNIVERSE);