Module: kamailio Branch: master Commit: 449d435194338a4f3acf079774adcbef7ad7b794 URL: https://github.com/kamailio/kamailio/commit/449d435194338a4f3acf079774adcbe… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Date: 2017-07-22T08:34:01+02:00 nat_traversal: handle return values for errors --- Modified: src/modules/nat_traversal/nat_traversal.c --- Diff: https://github.com/kamailio/kamailio/commit/449d435194338a4f3acf079774adcbe… Patch: https://github.com/kamailio/kamailio/commit/449d435194338a4f3acf079774adcbe… --- diff --git a/src/modules/nat_traversal/nat_traversal.c b/src/modules/nat_traversal/nat_traversal.c index 8bd4adde65..d3c6c95057 100644 --- 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;