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authorHerbert Xu <herbert@gondor.apana.org.au>2009-01-12 00:06:02 +0000
committerDavid S. Miller <davem@davemloft.net>2009-01-12 21:18:33 -0800
commita2bd40ad3151d4d346fd167e01fb84b06f7247fc (patch)
treef5d703c8bcc2b91f23bc2e2310a2ef1f77d74f19 /net
parent88843104a19d5896bf67ab6bd685e976240dd04a (diff)
downloadlinux-a2bd40ad3151d4d346fd167e01fb84b06f7247fc.tar.bz2
netfilter 02/09: bridge: Fix handling of non-IP packets in FORWARD/POST_ROUTING
Currently the bridge FORWARD/POST_ROUTING chains treats all non-IPv4 packets as IPv6. This packet fixes that by returning NF_ACCEPT on non-IP packets instead, just as is done in PRE_ROUTING. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/bridge/br_netfilter.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index a65e43a17fbb..9a1cd757ec4e 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -686,8 +686,11 @@ static unsigned int br_nf_forward_ip(unsigned int hook, struct sk_buff *skb,
if (skb->protocol == htons(ETH_P_IP) || IS_VLAN_IP(skb) ||
IS_PPPOE_IP(skb))
pf = PF_INET;
- else
+ else if (skb->protocol == htons(ETH_P_IPV6) || IS_VLAN_IPV6(skb) ||
+ IS_PPPOE_IPV6(skb))
pf = PF_INET6;
+ else
+ return NF_ACCEPT;
nf_bridge_pull_encap_header(skb);
@@ -828,8 +831,11 @@ static unsigned int br_nf_post_routing(unsigned int hook, struct sk_buff *skb,
if (skb->protocol == htons(ETH_P_IP) || IS_VLAN_IP(skb) ||
IS_PPPOE_IP(skb))
pf = PF_INET;
- else
+ else if (skb->protocol == htons(ETH_P_IPV6) || IS_VLAN_IPV6(skb) ||
+ IS_PPPOE_IPV6(skb))
pf = PF_INET6;
+ else
+ return NF_ACCEPT;
#ifdef CONFIG_NETFILTER_DEBUG
if (skb->dst == NULL) {