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netfilter: ctnetlink: using bit to represent the ct event

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Otherwise, creating a new conntrack via nfnetlink:
  # conntrack -I -p udp -s 1.1.1.1 -d 2.2.2.2 -t 10 --sport 10 --dport 20

will emit the wrong ct events(where UPDATE should be NEW):
  # conntrack -E
  [UPDATE] udp      17 10 src=1.1.1.1 dst=2.2.2.2 sport=10 dport=20
  [UNREPLIED] src=2.2.2.2 dst=1.1.1.1 sport=20 dport=10 mark=0

Signed-off-by: Liping Zhang <zlpnobody@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Liping Zhang 2017-04-01 20:31:32 +08:00 committed by Pablo Neira Ayuso
parent 2638fd0f92
commit 97aae0df1d
1 changed files with 2 additions and 2 deletions
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4
net/netfilter/nf_conntrack_netlink.c
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@ -1929,9 +1929,9 @@ static int ctnetlink_new_conntrack(struct net *net, struct sock *ctnl,
err = 0;
if (test_bit(IPS_EXPECTED_BIT, &ct->status))
events = IPCT_RELATED;
events = 1 << IPCT_RELATED;
else
events = IPCT_NEW;
events = 1 << IPCT_NEW;
if (cda[CTA_LABELS] &&
ctnetlink_attach_labels(ct, cda) == 0)