fix bug with turn/ice

src/voip/ice.c

@@ -2300,11 +2300,13 @@ static bool_t ice_handle_received_turn_allocate_success_response(IceCheckList *c
 						candidate = ice_add_local_candidate(cl, "srflx", ms_stun_family_to_af(srflx_addr.family), srflx_addr_str, srflx_port, componentID, candidate);
 						ms_stun_address_to_printable_ip_address(&srflx_addr, srflx_addr_str, sizeof(srflx_addr_str));
 						ms_message("ice: Add candidate obtained by STUN/TURN: %s:srflx", srflx_addr_str);
-						ms_stun_address_to_ip_address(&relay_addr, relay_addr_str, sizeof(relay_addr_str), &relay_port);
+						
 						if (cl->session->turn_enabled) {
 							request->turn_context->stats.nb_successful_allocate++;
 							ice_schedule_turn_allocation_refresh(cl, componentID, ms_stun_message_get_lifetime(msg));
 						}
+						if (relay_addr.family != 0){
+							ms_stun_address_to_ip_address(&relay_addr, relay_addr_str, sizeof(relay_addr_str), &relay_port);
 							if (relay_port != 0) {
 								if (cl->session->turn_enabled) {
 									ms_turn_context_set_allocated_relay_addr(request->turn_context, relay_addr);
@@ -2315,6 +2317,7 @@ static bool_t ice_handle_received_turn_allocate_success_response(IceCheckList *c
 							}
 						}
 					}
+				}
 				request->responded = TRUE;
 				if (cl->session->turn_enabled) {
 					ms_turn_context_set_state(request->turn_context, MS_TURN_CONTEXT_STATE_ALLOCATION_CREATED);

src/voip/stun.c

@@ -585,8 +585,10 @@ MSStunAddress ms_ip_address_to_stun_address(int ai_family, int socktype, const c
 	MSStunAddress stun_addr;
 	struct addrinfo *res = bctbx_ip_address_to_addrinfo(ai_family, socktype, hostname, port);
 	memset(&stun_addr, 0, sizeof(stun_addr));
+	if (res){
 		ms_sockaddr_to_stun_address(res->ai_addr, &stun_addr);
 		bctbx_freeaddrinfo(res);
+	}
 	return stun_addr;
 }