From owner-freebsd-hackers Mon Jul 12 12:36:54 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from herring.nlsystems.com (nlsys.demon.co.uk [158.152.125.33]) by hub.freebsd.org (Postfix) with ESMTP id 6C4A615283 for ; Mon, 12 Jul 1999 12:36:47 -0700 (PDT) (envelope-from dfr@nlsystems.com) Received: from salmon.nlsystems.com (salmon.nlsystems.com [10.0.0.3]) by herring.nlsystems.com (8.9.3/8.8.8) with ESMTP id UAA01635; Mon, 12 Jul 1999 20:36:50 +0100 (BST) (envelope-from dfr@nlsystems.com) Date: Mon, 12 Jul 1999 20:36:50 +0100 (BST) From: Doug Rabson To: Karl Pielorz Cc: Mark Newton , crypt0genic@ecad.org, hackers@freebsd.org Subject: Re: (forw) In-Reply-To: <3789E5DE.8D318608@tdx.co.uk> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Mon, 12 Jul 1999, Karl Pielorz wrote: > > > Mark Newton wrote: > > > > Karl Pielorz wrote: > > > > > Yes, a nice, effective - and simply way of replacing syscall's on FreeBSD... > > > Some might say a little too 'simple'? > > > > Garbage. You can do this on any OS, whether it supports loadable > > modules or not, if you've managed to win sufficient privileges through > > some other means. > > I was actually leaning towards that... My boss had kittens here (we have 12 > FreeBSD boxes running the show now), until I'd explained it to him... If > syscall's need to be replaced, they need to be replaced - and if they are > replaceable ... (I'll stop there) :) > > The article (from what I can remember) didn't actually go out of it's way to > say you have to have be root to load the modules in the first place :) - Maybe > it's warrants some kind of response page putting up somewhere? - this is also > getting off topic for -hackers :(... It was mentioned when describing the conditions for allowing the file load (securelevel == 0 && uid == 0). -- Doug Rabson Mail: dfr@nlsystems.com Nonlinear Systems Ltd. Phone: +44 181 442 9037 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message