From owner-cvs-all Mon Dec 10 22:18:14 2001 Delivered-To: cvs-all@freebsd.org Received: from cain.gsoft.com.au (genesi.lnk.telstra.net [139.130.136.161]) by hub.freebsd.org (Postfix) with ESMTP id 28B7A37B419; Mon, 10 Dec 2001 22:17:35 -0800 (PST) Received: from cain.gsoft.com.au (root@localhost [127.0.0.1]) by cain.gsoft.com.au (8.11.6/8.11.6) with ESMTP id fBB6HTZ65072; Tue, 11 Dec 2001 16:47:29 +1030 (CST) (envelope-from doconnor@gsoft.com.au) Message-ID: X-Mailer: XFMail 1.5.0 on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <20011211010336.Q1956@espresso.q9media.com> Date: Tue, 11 Dec 2001 16:47:29 +1030 (CST) From: "Daniel O'Connor" To: Mike Barcroft Subject: Re: cvs commit: src/sys/boot/i386/loader version src/share/examp Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org, mini@haikugeek.com, John Baldwin , Alfred Perlstein , Mike Silbersack , Paul Richards Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On 11-Dec-2001 Mike Barcroft wrote: > Perhaps a secure loader would be useful, such that it doesn't allow > interrupting. Similar things could be done with the pre-loader boot, > but this write from loader feature seems so useful to me that I can't > imagine why we would want to turn it off by default, particularly > given the intrinsic insecurities of our current loader. From loader.4th... \ ***** check-password \ \ If a password was defined, execute autoboot and ask for \ password if autoboot returns. : check-password password .addr @ if [ .... ] I believe you could get the thing that loads the loader (boot1? boot2? I forget) to load another loader. It would be reasonably difficult to place one on the machine as a normal user. The only case I can see it being possible is if /tmp is writable by a normal user, and isn't a symlink somewhere else, or on another file system. --- Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message