[sr-dev] git:master:cc4644ea: tm: uac - use new send socket only if set in event route local request

[Daniel-Constantin Mierla]

Module: kamailio
Branch: master
Commit: cc4644ea306f1f8abf9d0f69eb452ae8cabeb4b9
URL: https://github.com/kamailio/kamailio/commit/cc4644ea306f1f8abf9d0f69eb452ae8cabeb4b9

Author: Daniel-Constantin Mierla <miconda at gmail.com>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date: 2021-02-16T16:36:10+01:00

tm: uac - use new send socket only if set in event route local request

- GH #2639

---

Modified: src/modules/tm/uac.c

---

Diff:  https://github.com/kamailio/kamailio/commit/cc4644ea306f1f8abf9d0f69eb452ae8cabeb4b9.diff
Patch: https://github.com/kamailio/kamailio/commit/cc4644ea306f1f8abf9d0f69eb452ae8cabeb4b9.patch

---

diff --git a/src/modules/tm/uac.c b/src/modules/tm/uac.c
index d01c722844..40d333b7db 100644
--- a/src/modules/tm/uac.c
+++ b/src/modules/tm/uac.c
@@ -315,10 +315,10 @@ static inline int t_run_local_req(
 	if((lreq.force_send_socket != uac_r->dialog->send_sock)
 			|| (lreq.msg_flags&(FL_ADD_LOCAL_RPORT|FL_ADD_SRVID
 					|FL_ADD_XAVP_VIA_PARAMS|FL_USE_XAVP_VIA_FIELDS))) {
-		LM_DBG("local Via update - socket: [%.*s] - msg-flags: %u",
-				lreq.force_send_socket->address_str.len,
-				lreq.force_send_socket->address_str.s,
-				lreq.msg_flags);
+		LM_DBG("local Via update - new socket: [%.*s] - msg-flags: %u",
+			(lreq.force_send_socket)?lreq.force_send_socket->address_str.len:4,
+			(lreq.force_send_socket)?lreq.force_send_socket->address_str.s:"none",
+			lreq.msg_flags);
 
 		/* rebuild local Via - remove previous value
 			* and add the one for the new send socket */
@@ -335,9 +335,11 @@ static inline int t_run_local_req(
 		lreq.add_to_branch_len = lreq.via1->branch->value.len;
 
 		/* update also info about new destination and send sock */
-		uac_r->dialog->send_sock=lreq.force_send_socket;
-		request->dst.send_sock = lreq.force_send_socket;
-		request->dst.proto = lreq.force_send_socket->proto;
+		if(lreq.force_send_socket) {
+			uac_r->dialog->send_sock=lreq.force_send_socket;
+			request->dst.send_sock = lreq.force_send_socket;
+			request->dst.proto = lreq.force_send_socket->proto;
+		}
 
 		LM_DBG("apply new updates with Via to sip msg\n");
 		buf1 = build_req_buf_from_sip_req(&lreq,