diff options
| author | Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> | 2014-09-15 17:30:54 +0200 |
|---|---|---|
| committer | Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> | 2014-09-15 22:20:21 +0200 |
| commit | aef96193fe7b2791c4a3b19fe75426b929769471 (patch) | |
| tree | 3873c7b83c7a5ce6076e9db2c3574d2b7a53620b /include/linux/netfilter | |
| parent | 76cea4109ca89dea218fdc652d2e1535fd9b5fc7 (diff) | |
netfilter: ipset: send nonzero skbinfo extensions only
Do not send zero valued skbinfo extensions to userspace at listing.
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Diffstat (limited to 'include/linux/netfilter')
| -rw-r--r-- | include/linux/netfilter/ipset/ip_set.h | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/include/linux/netfilter/ipset/ip_set.h b/include/linux/netfilter/ipset/ip_set.h index b97aac5142ed..f1606fa6132d 100644 --- a/include/linux/netfilter/ipset/ip_set.h +++ b/include/linux/netfilter/ipset/ip_set.h @@ -335,13 +335,17 @@ ip_set_get_skbinfo(struct ip_set_skbinfo *skbinfo, static inline bool ip_set_put_skbinfo(struct sk_buff *skb, struct ip_set_skbinfo *skbinfo) { - return nla_put_net64(skb, IPSET_ATTR_SKBMARK, - cpu_to_be64((u64)skbinfo->skbmark << 32 | - skbinfo->skbmarkmask)) || - nla_put_net32(skb, IPSET_ATTR_SKBPRIO, - cpu_to_be32(skbinfo->skbprio)) || - nla_put_net16(skb, IPSET_ATTR_SKBQUEUE, - cpu_to_be16(skbinfo->skbqueue)); + /* Send nonzero parameters only */ + return ((skbinfo->skbmark || skbinfo->skbmarkmask) && + nla_put_net64(skb, IPSET_ATTR_SKBMARK, + cpu_to_be64((u64)skbinfo->skbmark << 32 | + skbinfo->skbmarkmask))) || + (skbinfo->skbprio && + nla_put_net32(skb, IPSET_ATTR_SKBPRIO, + cpu_to_be32(skbinfo->skbprio))) || + (skbinfo->skbqueue && + nla_put_net16(skb, IPSET_ATTR_SKBQUEUE, + cpu_to_be16(skbinfo->skbqueue))); } |