From f59581126507620190394e8dacfe1bdb1ef9b791 Mon Sep 17 00:00:00 2001
From: Tilghman Lesher <tilghman@meg.abyt.es>
Date: Tue, 30 Oct 2007 22:15:28 +0000
Subject: If no '?' is found in the arguments, don't attempt to continue.
 Reported by: blitzrage Fixed by: tilghman Closes issue #11111

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@87724 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 apps/app_exec.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'apps/app_exec.c')

diff --git a/apps/app_exec.c b/apps/app_exec.c
index 73d534a1b..12b91a488 100644
--- a/apps/app_exec.c
+++ b/apps/app_exec.c
@@ -166,6 +166,11 @@ static int execif_exec(struct ast_channel *chan, void *data)
 	char *parse = ast_strdupa(data);
 
 	AST_NONSTANDARD_APP_ARGS(expr, parse, '?');
+	if (ast_strlen_zero(expr.remainder)) {
+		ast_log(LOG_ERROR, "Usage: ExecIf(<cond>?<appiftrue>(<args>):<appiffalse>(<args))\n");
+		return -1;
+	}
+
 	AST_NONSTANDARD_APP_ARGS(apps, expr.remainder, ':');
 
 	if (apps.t && (truedata = strchr(apps.t, '('))) {
-- 
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