From: Tilghman Lesher <tilghman@meg.abyt.es>
Date: Thu, 5 Nov 2009 17:08:02 +0000 (+0000)
Subject: Don't crash if no arguments are passed.
X-Git-Tag: 11.0.0-beta1~3912
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8ee06c6c3bb89d065b9c210ffe7842e34e0cbab5;p=thirdparty%2Fasterisk.git

Don't crash if no arguments are passed.
(closes issue #16119)
 Reported by: thedavidfactor


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@228015 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---

diff --git a/apps/app_externalivr.c b/apps/app_externalivr.c
index 7258181750..2f64fb26b7 100644
--- a/apps/app_externalivr.c
+++ b/apps/app_externalivr.c
@@ -373,6 +373,11 @@ static int app_exec(struct ast_channel *chan, const char *data)
 	u->abort_current_sound = 0;
 	u->chan = chan;
 
+	if (ast_strlen_zero(data)) {
+		ast_log(LOG_WARNING, "ExternalIVR requires a command to execute\n");
+		return -1;
+	}
+
 	buf = ast_strdupa(data);
 	AST_STANDARD_APP_ARGS(eivr_args, buf);