Merged revisions 43552 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.2

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r43552 | russell | 2006-09-24 09:50:30 -0400 (Sun, 24 Sep 2006) | 4 lines

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)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@43553 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_iax2.c

@@ -9523,9 +9523,11 @@ static int function_iaxpeer(struct ast_channel *chan, char *cmd, char *data, cha
 	struct iax2_peer *peer;
 	char *peername, *colname;
 
-	if (!(peername = ast_strdupa(data)))
+	if (chan->tech != &iax2_tech)
 		return -1;
 
+	peername = ast_strdupa(data);
+
 	/* if our channel, return the IP address of the endpoint of current channel */
 	if (!strcmp(peername,"CURRENTCHANNEL")) {
 	        unsigned short callno = PTR_TO_CALLNO(chan->tech_pvt);