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netfilter: ebt_ip6: fix source and destination matching

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This bug was introduced on commit 0898f99a2. This just recovers two
checks that existed before as suggested by Bart De Schuymer.

Signed-off-by: Luís Fernando Cornachioni Estrozi <lestrozi@uolinc.com>
Signed-off-by: Bart De Schuymer <bdschuym@pandora.be>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Luís Fernando Cornachioni Estrozi 2013-11-06 21:39:32 +00:00 committed by Pablo Neira Ayuso
parent 0c3c6c00c6
commit acab78b996
1 changed files with 5 additions and 3 deletions
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8
net/bridge/netfilter/ebt_ip6.c
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@ -48,10 +48,12 @@ ebt_ip6_mt(const struct sk_buff *skb, struct xt_action_param *par)
if (info->bitmask & EBT_IP6_TCLASS &&
FWINV(info->tclass != ipv6_get_dsfield(ih6), EBT_IP6_TCLASS))
return false;
if (FWINV(ipv6_masked_addr_cmp(&ih6->saddr, &info->smsk,
&info->saddr), EBT_IP6_SOURCE) ||
if ((info->bitmask & EBT_IP6_SOURCE &&
FWINV(ipv6_masked_addr_cmp(&ih6->saddr, &info->smsk,
&info->saddr), EBT_IP6_SOURCE)) ||
(info->bitmask & EBT_IP6_DEST &&
FWINV(ipv6_masked_addr_cmp(&ih6->daddr, &info->dmsk,
&info->daddr), EBT_IP6_DEST))
&info->daddr), EBT_IP6_DEST)))
return false;
if (info->bitmask & EBT_IP6_PROTO) {
uint8_t nexthdr = ih6->nexthdr;