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authorBart De Schuymer <bdschuym@pandora.be>2006-01-10 13:13:45 -0800
committerChris Wright <chrisw@sous-sol.org>2006-01-14 22:15:29 -0800
commit711f4b02bc48b9f208c96352995c19f107381a80 (patch)
treec7d7413c6eee461e2aed3b933229f79310f85c53
parent1cc7060e107b1dbb4a537cb20af949ffadb01222 (diff)
downloadlinux-linaro-stable-711f4b02bc48b9f208c96352995c19f107381a80.tar.gz
[PATCH] Don't match tcp/udp source/destination port for IP fragments
Signed-off-by: Bart De Schuymer <bdschuym@pandora.be> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Chris Wright <chrisw@sous-sol.org>
-rw-r--r--net/bridge/netfilter/ebt_ip.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/bridge/netfilter/ebt_ip.c b/net/bridge/netfilter/ebt_ip.c
index 7323805b9726..f158fe67dd60 100644
--- a/net/bridge/netfilter/ebt_ip.c
+++ b/net/bridge/netfilter/ebt_ip.c
@@ -15,6 +15,7 @@
#include <linux/netfilter_bridge/ebtables.h>
#include <linux/netfilter_bridge/ebt_ip.h>
#include <linux/ip.h>
+#include <net/ip.h>
#include <linux/in.h>
#include <linux/module.h>
@@ -51,6 +52,8 @@ static int ebt_filter_ip(const struct sk_buff *skb, const struct net_device *in,
if (!(info->bitmask & EBT_IP_DPORT) &&
!(info->bitmask & EBT_IP_SPORT))
return EBT_MATCH;
+ if (ntohs(ih->frag_off) & IP_OFFSET)
+ return EBT_NOMATCH;
pptr = skb_header_pointer(skb, ih->ihl*4,
sizeof(_ports), &_ports);
if (pptr == NULL)