libnetfilter_conntrack/0001-conntrack-don-t-cancel...

33 lines
1.0 KiB
Diff

From f94ca582531980f86fc2ffed9f1f55f7172e83f8 Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Fri, 10 Dec 2021 12:18:23 +0100
Subject: [PATCH] conntrack: don't cancel nest on unknown layer 4 protocols
It is valid to specify CTA_PROTO_NUM with a protocol that is not
natively supported by conntrack. Do not cancel the CTA_TUPLE_PROTO
nest in this case.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
(cherry picked from commit 45ec4b51e8290759e0d87d9405965be1352a4325)
---
src/conntrack/build_mnl.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/src/conntrack/build_mnl.c b/src/conntrack/build_mnl.c
index d9ad268cb8900..979c0c7e995a3 100644
--- a/src/conntrack/build_mnl.c
+++ b/src/conntrack/build_mnl.c
@@ -73,8 +73,7 @@ nfct_build_tuple_proto(struct nlmsghdr *nlh, const struct __nfct_tuple *t)
mnl_attr_put_u16(nlh, CTA_PROTO_ICMPV6_ID, t->l4src.icmp.id);
break;
default:
- mnl_attr_nest_cancel(nlh, nest);
- return -1;
+ break;
}
mnl_attr_nest_end(nlh, nest);
return 0;
--
2.38.0