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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf

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Pablo Neira Ayuso says:

====================
If time allows, please consider pulling the following patchset contains two
late Netfilter fixes, they are:

* Skip broadcast/multicast locally generated traffic in the rpfilter,
  (closes netfilter bugzilla #814), from Florian Westphal.

* Fix missing elements in the listing of ipset bitmap ip,mac set
  type with timeout support enabled, from Jozsef Kadlecsik.
====================

Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
David S. Miller 2013-04-19 14:24:47 -04:00
commit fd7fc25328
3 changed files with 19 additions and 3 deletions
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8
net/ipv4/netfilter/ipt_rpfilter.c
View file

@ -66,6 +66,12 @@ static bool rpfilter_lookup_reverse(struct flowi4 *fl4,
return dev_match;
}
static bool rpfilter_is_local(const struct sk_buff *skb)
{
const struct rtable *rt = skb_rtable(skb);
return rt && (rt->rt_flags & RTCF_LOCAL);
}
static bool rpfilter_mt(const struct sk_buff *skb, struct xt_action_param *par)
{
const struct xt_rpfilter_info *info;
@ -76,7 +82,7 @@ static bool rpfilter_mt(const struct sk_buff *skb, struct xt_action_param *par)
info = par->matchinfo;
invert = info->flags & XT_RPFILTER_INVERT;
if (par->in->flags & IFF_LOOPBACK)
if (rpfilter_is_local(skb))
return true ^ invert;
iph = ip_hdr(skb);