[Asterisk-cvs] asterisk channel.c,1.161,1.162

[markster at lists.digium.com]

Update of /usr/cvsroot/asterisk
In directory mongoose.digium.com:/tmp/cvs-serv11469

Modified Files:
	channel.c 
Log Message:
Don't allow masquerading into oneself (bug #3040)


Index: channel.c
===================================================================
RCS file: /usr/cvsroot/asterisk/channel.c,v
retrieving revision 1.161
retrieving revision 1.162
diff -u -d -r1.161 -r1.162
--- channel.c	8 Jan 2005 17:23:29 -0000	1.161
+++ channel.c	9 Jan 2005 09:42:54 -0000	1.162
@@ -2208,6 +2208,10 @@
 {
 	struct ast_frame null = { AST_FRAME_NULL, };
 	int res = -1;
+	if (original == clone) {
+		ast_log(LOG_WARNING, "Can't masquerade channel '%s' into itself!\n", original->name);
+		return -1;
+	}
 	ast_mutex_lock(&original->lock);
 	while(ast_mutex_trylock(&clone->lock)) {
 		ast_mutex_unlock(&original->lock);