diff options
| author | Jan Engelhardt <jengelh@computergmbh.de> | 2008-01-14 23:41:34 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-28 15:02:24 -0800 |
| commit | 13b0e83b5b52d1a0ab87772ecc93fe91b2740386 (patch) | |
| tree | f47b4874d121012f48099ef6af1c671687e2569f /net | |
| parent | 17b0d7ef658583842da75eebf8001dc617f0b52e (diff) | |
[NETFILTER]: xt_pkttype: Add explicit check for IPv4
In the PACKET_LOOPBACK case, the skb data was always interpreted as
IPv4, but that is not valid for IPv6, obviously. Fix this by adding an
extra condition to check for AF_INET.
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
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/netfilter/xt_pkttype.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/netfilter/xt_pkttype.c b/net/netfilter/xt_pkttype.c index 276244902ab5..080f3246eee7 100644 --- a/net/netfilter/xt_pkttype.c +++ b/net/netfilter/xt_pkttype.c @@ -31,7 +31,8 @@ pkttype_mt(const struct sk_buff *skb, const struct net_device *in, const struct xt_pkttype_info *info = matchinfo; if (skb->pkt_type == PACKET_LOOPBACK) - type = ipv4_is_multicast(ip_hdr(skb)->daddr) + type = match->family == AF_INET && + ipv4_is_multicast(ip_hdr(skb)->daddr) ? PACKET_MULTICAST : PACKET_BROADCAST; else |