From e6b3384b4810f77de455761aef822ac4a1a82ec8 Mon Sep 17 00:00:00 2001
From: Christian Richter <christian.richter@beronet.com>
Date: Tue, 2 Oct 2007 09:48:09 +0000
Subject: [PATCH] terminate USERUSER String with 0

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@84345 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 channels/chan_misdn.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/channels/chan_misdn.c b/channels/chan_misdn.c
index c95e9cac53..f44ed749ef 100644
--- a/channels/chan_misdn.c
+++ b/channels/chan_misdn.c
@@ -3828,7 +3828,8 @@ void export_ch(struct ast_channel *chan, struct misdn_bchannel *bc, struct chan_
 		pbx_builtin_setvar_helper(chan,"MISDN_URATE",tmp);
 	}
 
-	if (bc->uulen) {
+	if (bc->uulen && (bc->uulen < sizeof(bc->uu))) {
+		bc->uu[bc->uulen]=0;
 		pbx_builtin_setvar_helper(chan,"MISDN_USERUSER",bc->uu);
 	}