From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with archive (Exim 4.43) id 1Kapkq-0007Xw-Qb for mharc-grub-devel@gnu.org; Wed, 03 Sep 2008 06:38:28 -0400 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Kapkn-0007W4-Im for grub-devel@gnu.org; Wed, 03 Sep 2008 06:38:25 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Kapkm-0007Ut-Qx for grub-devel@gnu.org; Wed, 03 Sep 2008 06:38:25 -0400 Received: from [199.232.76.173] (port=39150 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Kapkl-0007UX-Nz for grub-devel@gnu.org; Wed, 03 Sep 2008 06:38:23 -0400 Received: from aybabtu.com ([69.60.117.155]:43048) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1Kapkl-0000IN-Qn for grub-devel@gnu.org; Wed, 03 Sep 2008 06:38:24 -0400 Received: from [192.168.10.10] (helo=thorin) by aybabtu.com with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.69) (envelope-from ) id 1KapaW-00021l-GD for grub-devel@gnu.org; Wed, 03 Sep 2008 12:27:48 +0200 Received: from rmh by thorin with local (Exim 4.63) (envelope-from ) id 1KapjK-0007sd-4v for grub-devel@gnu.org; Wed, 03 Sep 2008 12:36:54 +0200 Date: Wed, 3 Sep 2008 12:36:54 +0200 From: Robert Millan To: The development of GRUB 2 Message-ID: <20080903103654.GC29762@thorin> References: <48BE5DE9.4090302@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <48BE5DE9.4090302@gmail.com> Organization: free as in freedom X-Message-Flag: Worried about Outlook viruses? Switch to Thunderbird! www.mozilla.com/thunderbird X-Debbugs-No-Ack: true User-Agent: Mutt/1.5.13 (2006-08-11) X-detected-kernel: by monty-python.gnu.org: Genre and OS details not recognized. Subject: Re: [RFC] Boot parameters and geometrical stability X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: The development of GRUB 2 List-Id: The development of GRUB 2 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Sep 2008 10:38:26 -0000 On Wed, Sep 03, 2008 at 11:50:33AM +0200, phcoder wrote: > Hello, all. > Now when core image can be booted by multiple sources perhaps it would > be a good idea to recieve some boot arguments in case boot method (e.g. > multiboot) supports it. Probably the best way is to recieve pairs > which can be easily imported to environment. I assume you talk about GRUB loading itself; what kind of information would you pass from one GRUB to the other? > Another > possibility of improving boot process is to detect the prefix even if > partition map changed it can be done e.g. with UUID We use UUIDs already, but only when drives can't be referred to unambigously, check how grub-install does it. > but this comprises a > security risk in case an attacker can plug a device (cdrom, floppy, > USB-memory,..) containing a partition with the same UUID. What do you > think about it I think people who want this level of security (i.e. local media is not trusted) should use crypto checksums to verify they're loading what they expected, with or without UUIDs. -- Robert Millan The DRM opt-in fallacy: "Your data belongs to us. We will decide when (and how) you may access your data; but nobody's threatening your freedom: we still allow you to remove your data and not access it at all."