nat_traversal: handle return values for errors

(cherry picked from commit 449d435)
kamailio · Aug 30, 2017 · 59e263c · 59e263c
1 parent b3079e8
commit 59e263c
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/src/modules/nat_traversal/nat_traversal.c b/src/modules/nat_traversal/nat_traversal.c
@@ -1573,6 +1573,10 @@ send_keepalive(NAT_Contact *contact)
     lport = 0;
     lproto = PROTO_NONE;
     hostent = sip_resolvehost(&nat_ip, &lport, &lproto);
+    if(hostent==NULL) {
+        LM_ERR("sip resolve host failed\n");
+        return;
+    }
     hostent2su(&dst.to, hostent, 0, nat_port);
 	dst.proto=PROTO_UDP;
 	dst.send_sock=contact->socket;
@@ -1900,7 +1904,9 @@ reply_filter(struct sip_msg *reply)
     static str prefix = {NULL, 0};
     str call_id;
 
-    parse_headers(reply, HDR_VIA2_F, 0);
+    if(parse_headers(reply, HDR_VIA2_F, 0)<0) {
+        LM_DBG("second via not parsed\n");
+    }
     if (reply->via2)
         return 1;