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[NETFILTER]: Make NETMAP target usable in OUTPUT 

Signed-off-by: Gary Wayne Smith <gary.w.smith@primeexalia.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Gary Wayne Smith 2005-08-14 17:33:24 -07:00 committed by David S. Miller
parent 9baa5c67ff
commit 000efe1d86
1 changed files with 5 additions and 3 deletions
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8
net/ipv4/netfilter/ipt_NETMAP.c
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@ -46,7 +46,8 @@ check(const char *tablename,
DEBUGP(MODULENAME":check: size %u.\n", targinfosize);
return 0;
}
if (hook_mask & ~((1 << NF_IP_PRE_ROUTING) | (1 << NF_IP_POST_ROUTING))) {
if (hook_mask & ~((1 << NF_IP_PRE_ROUTING) | (1 << NF_IP_POST_ROUTING) |
(1 << NF_IP_LOCAL_OUT))) {
DEBUGP(MODULENAME":check: bad hooks %x.\n", hook_mask);
return 0;
}
@ -76,12 +77,13 @@ 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;