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| author |   David S. Miller <davem@davemloft.net> | 2013-04-19 14:24:47 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-04-19 14:24:47 -0400 |
| commit | fd7fc253289c419615c1c8bbe418598019567392 (patch) | |
| tree | d86653f4f9ce591d0be0e67050a849ebd40f8f14 /net/ipv4 | |
| parent | Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless (diff) | |
| parent | netfilter: xt_rpfilter: skip locally generated broadcast/multicast, too (diff) | |
| download | linux-dev-fd7fc253289c419615c1c8bbe418598019567392.tar.xz linux-dev-fd7fc253289c419615c1c8bbe418598019567392.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf
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 <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/netfilter/ipt_rpfilter.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/net/ipv4/netfilter/ipt_rpfilter.c b/net/ipv4/netfilter/ipt_rpfilter.c index c30130062cd6..c49dcd0284a0 100644 --- a/net/ipv4/netfilter/ipt_rpfilter.c +++ b/net/ipv4/netfilter/ipt_rpfilter.c @@ -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); |