From 00ca92aeeeedd7191ce1f9abc011a58b9fbc968c Mon Sep 17 00:00:00 2001
From: Russell Bryant <russell@russellbryant.com>
Date: Sun, 24 Sep 2006 13:50:30 +0000
Subject: [PATCH] Check to see if the channel that is activating the IAXPEER
 function is actually an IAX2 channel before proceeding to process it to avoid
 crashing. (issue #8017, reported by admott, fixed by myself)

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@43552 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 channels/chan_iax2.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/channels/chan_iax2.c b/channels/chan_iax2.c
index 3f576c4de5..701e21e35a 100644
--- a/channels/chan_iax2.c
+++ b/channels/chan_iax2.c
@@ -9342,6 +9342,11 @@ static char *function_iaxpeer(struct ast_channel *chan, char *cmd, char *data, c
 	char *peername, *colname;
 	char iabuf[INET_ADDRSTRLEN];
 
+	buf[0] = '\0';
+
+	if (chan->tech != &iax2_tech)
+		return buf;
+
 	if (!(peername = ast_strdupa(data))) {
 		ast_log(LOG_ERROR, "Memory Error!\n");
 		return ret;