From owner-p4-projects Mon Nov 4 11:53:11 2002 Delivered-To: p4-projects@freebsd.org Received: by hub.freebsd.org (Postfix, from userid 32767) id D200337B404; Mon, 4 Nov 2002 11:53:09 -0800 (PST) Delivered-To: perforce@freebsd.org Received: from green.bikeshed.org (freefall.freebsd.org [216.136.204.21]) by hub.freebsd.org (Postfix) with ESMTP id 3D44137B401 for ; Mon, 4 Nov 2002 11:53:09 -0800 (PST) Received: from green.bikeshed.org (1j8xy3hszsj4zsoi@green.bikeshed.org [10.0.0.1] (may be forged)) by green.bikeshed.org (8.12.6/8.12.6) with ESMTP id gA4Jr856077000 for ; Mon, 4 Nov 2002 14:53:08 -0500 (EST) (envelope-from green@green.bikeshed.org) Received: from localhost (green@localhost) by green.bikeshed.org (8.12.6/8.12.6/Submit) with ESMTP id gA4Jr8PW076997 for ; Mon, 4 Nov 2002 14:53:08 -0500 (EST) Message-Id: <200211041953.gA4Jr8PW076997@green.bikeshed.org> X-Mailer: exmh version 2.5 07/13/2001 with nmh-1.0.4 To: Perforce Change Reviews Subject: Re: PERFORCE change 20657 for review In-Reply-To: Your message of "Mon, 04 Nov 2002 11:35:43 PST." <200211041935.gA4JZhDa024170@repoman.freebsd.org> From: "Brian F. Feldman" Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Mon, 04 Nov 2002 14:53:08 -0500 Sender: owner-p4-projects@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Brian Feldman wrote: > http://perforce.freebsd.org/chv.cgi?CH=20657 > > Change 20657 by green@green_laptop_2 on 2002/11/04 11:34:53 > > Be resilient to relabel operations on mac_lomac objects by > always blanking the destination and copying the old label, > but only if the new label "appears" internalized. BTW, this really does apply to all policies, and needs to be documented as such. Biba/MLS got it "not totally wrong" because they don't bzero the label they're overwriting, so in the case where there's nothing to copy they just overwrite nothing on the target label. -- Brian Fundakowski Feldman \'[ FreeBSD ]''''''''''\ <> green@FreeBSD.org <> bfeldman@tislabs.com \ The Power to Serve! \ Opinions expressed are my own. \,,,,,,,,,,,,,,,,,,,,,,\ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe p4-projects" in the body of the message