From: Russell Bryant <russell@russellbryant.com>
Date: Thu, 25 Jan 2007 00:39:50 +0000 (+0000)
Subject: Fix a seg fault when running this application with no arguments from AGI.
X-Git-Tag: 1.2.15~34
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5823b29f58adaf3826f73946185da4aba6e343be;p=thirdparty%2Fasterisk.git

Fix a seg fault when running this application with no arguments from AGI.
(issue #8905, junky)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@52137 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---

diff --git a/apps/app_groupcount.c b/apps/app_groupcount.c
index e44451370f..87d313209e 100644
--- a/apps/app_groupcount.c
+++ b/apps/app_groupcount.c
@@ -155,6 +155,11 @@ static int group_check_exec(struct ast_channel *chan, void *data)
 		deprecation_warning = 1;
 	}
 
+	if (ast_strlen_zero(data)) {
+		ast_log(LOG_WARNING, "CheckGroup requires an argument(max[@category][|options])\n");
+		return 0;
+	}
+
 	if (!(parse = ast_strdupa(data))) {
 		ast_log(LOG_WARNING, "Memory Error!\n");
 		LOCAL_USER_REMOVE(u);