From 391112d89ac6e0df012beff3b6e59c158e898c42 Mon Sep 17 00:00:00 2001
From: Chris-Savinovich <csavinovich@digium.com>
Date: Thu, 4 Apr 2019 16:02:42 -0500
Subject: [PATCH] config.c: Fix a crash in extconfig parsing

When extconfig.conf file is parsed, the code previously searched for
character comma without verifying if error (null or blank).  This caused
a segmentation error.

Change-Id: Id76b452d8f330d11c2742c37232761ad71472a8b
---
 main/config.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/main/config.c b/main/config.c
index f694c2bd8c..5660fbe963 100644
--- a/main/config.c
+++ b/main/config.c
@@ -2904,7 +2904,10 @@ static int reload_module(void)
 		ast_copy_string(buf, v->value, sizeof(buf));
 		stringp = buf;
 		driver = strsep(&stringp, ",");
-
+		if (!stringp) {
+			ast_log(LOG_WARNING, "extconfig.conf: value '%s' ignored due to wrong format\n", v->value);
+			continue;
+		}
 		if ((tmp = strchr(stringp, '\"')))
 			stringp = tmp;