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netfilter: xt_NFQUEUE: fix --queue-bypass regression 

V3 of the NFQUEUE target ignores the --queue-bypass flag,
causing packets to be dropped when the userspace listener
isn't running.

Regression is in since 8746ddcf12 ("netfilter: xt_NFQUEUE:
introduce CPU fanout").

Reported-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Holger Eitzenberger <holger@eitzenberger.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Holger Eitzenberger 2013-10-28 14:42:33 +01:00 committed by Pablo Neira Ayuso
parent fecda03493
commit d954777324
1 changed files with 6 additions and 1 deletions
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7
net/netfilter/xt_NFQUEUE.c
View File

@ -147,6 +147,7 @@ nfqueue_tg_v3(struct sk_buff *skb, const struct xt_action_param *par)
{
const struct xt_NFQ_info_v3 *info = par->targinfo;
u32 queue = info->queuenum;
int ret;
if (info->queues_total > 1) {
if (info->flags & NFQ_FLAG_CPU_FANOUT) {
@ -157,7 +158,11 @@ nfqueue_tg_v3(struct sk_buff *skb, const struct xt_action_param *par)
queue = nfqueue_hash(skb, par);
}
return NF_QUEUE_NR(queue);
ret = NF_QUEUE_NR(queue);
if (info->flags & NFQ_FLAG_BYPASS)
ret |= NF_VERDICT_FLAG_QUEUE_BYPASS;
return ret;
}
static struct xt_target nfqueue_tg_reg[] __read_mostly = {