diff options
Diffstat (limited to 'net/netfilter/nfnetlink_queue.c')
| -rw-r--r-- | net/netfilter/nfnetlink_queue.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c index 494a9ab35cb67..4ccd2988f9db6 100644 --- a/net/netfilter/nfnetlink_queue.c +++ b/net/netfilter/nfnetlink_queue.c @@ -227,6 +227,25 @@ find_dequeue_entry(struct nfqnl_instance *queue, unsigned int id) return entry; } +static void nfqnl_reinject(struct nf_queue_entry *entry, unsigned int verdict) +{ + struct nf_ct_hook *ct_hook; + int err; + + if (verdict == NF_ACCEPT || + verdict == NF_STOP) { + rcu_read_lock(); + ct_hook = rcu_dereference(nf_ct_hook); + if (ct_hook) { + err = ct_hook->update(entry->state.net, entry->skb); + if (err < 0) + verdict = NF_DROP; + } + rcu_read_unlock(); + } + nf_reinject(entry, verdict); +} + static void nfqnl_flush(struct nfqnl_instance *queue, nfqnl_cmpfn cmpfn, unsigned long data) { @@ -237,7 +256,7 @@ nfqnl_flush(struct nfqnl_instance *queue, nfqnl_cmpfn cmpfn, unsigned long data) if (!cmpfn || cmpfn(entry, data)) { list_del(&entry->list); queue->queue_total--; - nf_reinject(entry, NF_DROP); + nfqnl_reinject(entry, NF_DROP); } } spin_unlock_bh(&queue->lock); @@ -686,7 +705,7 @@ err_out_free_nskb: err_out_unlock: spin_unlock_bh(&queue->lock); if (failopen) - nf_reinject(entry, NF_ACCEPT); + nfqnl_reinject(entry, NF_ACCEPT); err_out: return err; } @@ -1085,7 +1104,8 @@ static int nfqnl_recv_verdict_batch(struct net *net, struct sock *ctnl, list_for_each_entry_safe(entry, tmp, &batch_list, list) { if (nfqa[NFQA_MARK]) entry->skb->mark = ntohl(nla_get_be32(nfqa[NFQA_MARK])); - nf_reinject(entry, verdict); + + nfqnl_reinject(entry, verdict); } return 0; } @@ -1208,7 +1228,7 @@ static int nfqnl_recv_verdict(struct net *net, struct sock *ctnl, if (nfqa[NFQA_MARK]) entry->skb->mark = ntohl(nla_get_be32(nfqa[NFQA_MARK])); - nf_reinject(entry, verdict); + nfqnl_reinject(entry, verdict); return 0; } |