From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268215AbUHQNDh (ORCPT ); Tue, 17 Aug 2004 09:03:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268218AbUHQNDg (ORCPT ); Tue, 17 Aug 2004 09:03:36 -0400 Received: from elektroni.ee.tut.fi ([130.230.131.11]:10646 "HELO elektroni.ee.tut.fi") by vger.kernel.org with SMTP id S268215AbUHQNDb (ORCPT ); Tue, 17 Aug 2004 09:03:31 -0400 Date: Tue, 17 Aug 2004 16:03:29 +0300 From: Petri Kaukasoina To: Marc Ballarin Cc: Frank Steiner , alan@lxorguk.ukuu.org.uk, jwendel10@comcast.net, linux-kernel@vger.kernel.org, Kai.Makisara@kolumbus.fi Subject: Re: 2.6.8.1 Mis-detect CRDW as CDROM Message-ID: <20040817130329.GA7800@elektroni.ee.tut.fi> Mail-Followup-To: Marc Ballarin , Frank Steiner , alan@lxorguk.ukuu.org.uk, jwendel10@comcast.net, linux-kernel@vger.kernel.org, Kai.Makisara@kolumbus.fi References: <411FD919.9030702@comcast.net> <20040816143817.0de30197.Ballarin.Marc@gmx.de> <1092661385.20528.25.camel@localhost.localdomain> <20040816231211.76360eaa.Ballarin.Marc@gmx.de> <4121A689.8030708@bio.ifi.lmu.de> <20040817134133.56614674.Ballarin.Marc@gmx.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040817134133.56614674.Ballarin.Marc@gmx.de> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Aug 17, 2004 at 01:41:33PM +0200, Marc Ballarin wrote: > An unpatched cdrecord does not use root privileges to access devices. It > increases its priority, locks memory and drops privileges before doing > anything else. According to its author, cdrecord is designed for this mode > of operation. I don't know if the same is true for growisofs and other > tools. > suid has no effect on the issue at hand (provided cdrecord has not > been modified), it only serves to increase burning reliability. I guess you are talking about some alpha version. The latest released unpatched stable version cdrecord 2.00.3 burns ok as suid-root even with this kind of device access rights: brw------- 1 root root 22, 0 Jun 9 2002 /dev/hdc