ct: add zone support

Add Patrick's zone support for libnetfilter_conntrack.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/src/conntrack/build.c b/src/conntrack/build.c
index e8bb9ac..043c401 100644
--- a/src/conntrack/build.c
+++ b/src/conntrack/build.c
@@ -365,6 +365,13 @@ static void __build_helper_name(struct nfnlhdr *req,
 	nfnl_nest_end(&req->nlh, nest);
 }
 
+static void __build_zone(struct nfnlhdr *req,
+			 size_t size,
+			 const struct nf_conntrack *ct)
+{
+	nfnl_addattr16(&req->nlh, size, CTA_ZONE, htons(ct->zone));
+}
+
 int __build_conntrack(struct nfnl_subsys_handle *ssh,
 		      struct nfnlhdr *req,
 		      size_t size,
@@ -472,5 +479,8 @@ int __build_conntrack(struct nfnl_subsys_handle *ssh,
 	if (test_bit(ATTR_HELPER_NAME, ct->set))
 		__build_helper_name(req, size, ct);
 
+	if (test_bit(ATTR_ZONE, ct->set))
+		__build_zone(req, size, ct);
+
 	return 0;
 }