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netfilter: ctnetlink: allow changing NAT sequence adjustment in creation

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This patch fixes an inconsistency in the current ctnetlink code
since NAT sequence adjustment bit can only be updated but not set
in the conntrack entry creation.

This patch is used by conntrackd to successfully recover newly
created entries that represent connections with helpers and NAT
payload mangling.

Signed-off-by: Pablo Neira Ayuso <[email protected]>
Signed-off-by: Patrick McHardy <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Pablo Neira Ayuso 2009-02-09 14:33:57 -08:00 • committed by David S. Miller
commit c969aa7d2c
1 changed files with 10 additions and 0 deletions
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10
net/netfilter/nf_conntrack_netlink.c
View file

@ -1215,6 +1215,16 @@ ctnetlink_create_conntrack(struct nlattr *cda[],
}
}
#ifdef CONFIG_NF_NAT_NEEDED
if (cda[CTA_NAT_SEQ_ADJ_ORIG] || cda[CTA_NAT_SEQ_ADJ_REPLY]) {
err = ctnetlink_change_nat_seq_adj(ct, cda);
if (err < 0) {
rcu_read_unlock();
goto err;
}
}
#endif
if (cda[CTA_PROTOINFO]) {
err = ctnetlink_change_protoinfo(ct, cda);
if (err < 0) {