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authorPatrick McHardy <kaber@trash.net>2007-01-26 10:07:30 +0100
committerDavid S. Miller <davem@davemloft.net>2007-01-26 10:07:30 +0100
commita46bf7d5a81b350cd204b82bd25ee6ffbc2967d4 (patch)
tree574b983f7b99505b3c21c29eb61352dd9e534702 /net/ipv4
parent[NETFILTER]: nf_nat: fix ICMP translation with statically linked conntrack (diff)
downloadlinux-a46bf7d5a81b350cd204b82bd25ee6ffbc2967d4.tar.xz
linux-a46bf7d5a81b350cd204b82bd25ee6ffbc2967d4.zip
[NETFILTER]: nf_nat_pptp: fix expectation removal
When removing the expectation for the opposite direction, the PPTP NAT helper initializes the tuple for lookup with the addresses of the opposite direction, which makes the lookup fail. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/netfilter/nf_nat_pptp.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/netfilter/nf_nat_pptp.c b/net/ipv4/netfilter/nf_nat_pptp.c
index 0ae45b79a4eb..5df4fcae3ab6 100644
--- a/net/ipv4/netfilter/nf_nat_pptp.c
+++ b/net/ipv4/netfilter/nf_nat_pptp.c
@@ -72,9 +72,9 @@ static void pptp_nat_expected(struct nf_conn *ct,
DEBUGP("we are PAC->PNS\n");
/* build tuple for PNS->PAC */
t.src.l3num = AF_INET;
- t.src.u3.ip = master->tuplehash[exp->dir].tuple.src.u3.ip;
+ t.src.u3.ip = master->tuplehash[!exp->dir].tuple.src.u3.ip;
t.src.u.gre.key = nat_pptp_info->pns_call_id;
- t.dst.u3.ip = master->tuplehash[exp->dir].tuple.dst.u3.ip;
+ t.dst.u3.ip = master->tuplehash[!exp->dir].tuple.dst.u3.ip;
t.dst.u.gre.key = nat_pptp_info->pac_call_id;
t.dst.protonum = IPPROTO_GRE;
}