From 4a9331a4d5ec0960cf3c1adb263a86577c02fe86 Mon Sep 17 00:00:00 2001
From: Henning Brauer <henning@cvs.openbsd.org>
Date: Wed, 20 Aug 2003 16:27:37 +0000
Subject: braindeadness police: catch queues which specify itself as child...
 'nuff said

---
 sbin/pfctl/parse.y | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'sbin/pfctl')

diff --git a/sbin/pfctl/parse.y b/sbin/pfctl/parse.y
index 2a82affc028..887ff9f8bbe 100644
--- a/sbin/pfctl/parse.y
+++ b/sbin/pfctl/parse.y
@@ -1,4 +1,4 @@
-/*	$OpenBSD: parse.y,v 1.407 2003/08/20 13:02:52 henning Exp $	*/
+/*	$OpenBSD: parse.y,v 1.408 2003/08/20 16:27:36 henning Exp $	*/
 
 /*
  * Copyright (c) 2001 Markus Friedl.  All rights reserved.
@@ -3584,6 +3584,12 @@ expand_queue(struct pf_altq *a, struct node_if *interfaces,
 						errs++;
 
 				for (nq = nqueues; nq != NULL; nq = nq->next) {
+					if (!strcmp(a->qname, nq->queue)) {
+						yyerror("queue cannot have "
+						    "itself as child");
+						errs++;
+						continue;
+					}
 					n = calloc(1,
 					    sizeof(struct node_queue));
 					if (n == NULL)
-- 
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