app_queue.c: Don't crash when realtime queue name is empty.

ASTERISK-27542 #close

Change-Id: If0b9719380a25533d2aed1053cff845dc3a4854a

apps/app_queue.c

@@ -7697,6 +7697,10 @@ static int set_member_value(const char *queuename, const char *interface, int pr
 				char *category = NULL;
 				while ((category = ast_category_browse(queue_config, category))) {
 					const char *name = ast_variable_retrieve(queue_config, category, "name");
+					if (ast_strlen_zero(name)) {
+						ast_log(LOG_WARNING, "Ignoring realtime queue with a NULL or empty 'name.'\n");
+						continue;
+					}
 					if ((q = find_load_queue_rt_friendly(name))) {
 						foundqueue++;
 						foundinterface += set_member_value_help_members(q, interface, property, value);
@@ -9793,6 +9797,10 @@ static char *__queues_show(struct mansession *s, int fd, int argc, const char *
 			char *category = NULL;
 			while ((category = ast_category_browse(cfg, category))) {
 				const char *queuename = ast_variable_retrieve(cfg, category, "name");
+				if (ast_strlen_zero(queuename)) {
+					ast_log(LOG_WARNING, "Ignoring realtime queue with a NULL or empty 'name.'\n");
+					continue;
+				}
 				if ((q = find_load_queue_rt_friendly(queuename))) {
 					queue_t_unref(q, "Done with temporary pointer");
 				}