From c2612973d06260da55509bdd1c209ceee72ceff7 Mon Sep 17 00:00:00 2001
From: Tilghman Lesher <tilghman@meg.abyt.es>
Date: Mon, 17 Aug 2009 19:57:42 +0000
Subject: [PATCH] Check the return value of opendir(3), or we may crash.
(closes issue #15720) Reported by: tobias_e
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@212627 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
apps/app_voicemail.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/apps/app_voicemail.c b/apps/app_voicemail.c
index 974a029612..619754db6e 100644
--- a/apps/app_voicemail.c
+++ b/apps/app_voicemail.c
@@ -3576,7 +3576,10 @@ static int last_message_index(struct ast_vm_user *vmu, char *dir)
* doing a stat repeatedly on a predicted sequence. I suspect this
* is partially due to stat(2) internally doing a readdir(2) itself to
* find each file. */
- msgdir = opendir(dir);
+ if (!(msgdir = opendir(dir))) {
+ return -1;
+ }
+
while ((msgdirent = readdir(msgdir))) {
if (sscanf(msgdirent->d_name, "msg%30d", &msgdirint) == 1 && msgdirint < MAXMSGLIMIT)
map[msgdirint] = 1;
--
GitLab