diff options
| author | Ana Rey <anarey@gmail.com> | 2014-11-03 18:10:50 +0100 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2014-11-09 16:21:22 +0100 |
| commit | ce674173e9f4ef7fd0dc04ea0773cdedfbf8e366 (patch) | |
| tree | 1ab3456f0effd56be2fc2fb25d2a7b02e012a716 /net | |
| parent | c5a589cc3034d035e8490216a45abd3a3b3cd85e (diff) | |
| download | blackbird-op-linux-ce674173e9f4ef7fd0dc04ea0773cdedfbf8e366.tar.gz blackbird-op-linux-ce674173e9f4ef7fd0dc04ea0773cdedfbf8e366.zip | |
netfilter: nft_meta: add cgroup support
This allows you to filter traffic by process control group (cgroup).
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/netfilter/nft_meta.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/netfilter/nft_meta.c b/net/netfilter/nft_meta.c index 1e7c076ca63a..e99911eda915 100644 --- a/net/netfilter/nft_meta.c +++ b/net/netfilter/nft_meta.c @@ -165,6 +165,12 @@ void nft_meta_get_eval(const struct nft_expr *expr, goto err; dest->data[0] = out->group; break; + case NFT_META_CGROUP: + if (skb->sk == NULL) + break; + + dest->data[0] = skb->sk->sk_classid; + break; default: WARN_ON(1); goto err; @@ -240,6 +246,7 @@ int nft_meta_get_init(const struct nft_ctx *ctx, case NFT_META_CPU: case NFT_META_IIFGROUP: case NFT_META_OIFGROUP: + case NFT_META_CGROUP: break; default: return -EOPNOTSUPP; |
