From owner-freebsd-hackers  Thu May 29 13:08:20 1997
Return-Path: <owner-hackers>
Received: (from root@localhost)
          by hub.freebsd.org (8.8.5/8.8.5) id NAA06121
          for hackers-outgoing; Thu, 29 May 1997 13:08:20 -0700 (PDT)
Received: from agora.rdrop.com (root@agora.rdrop.com [199.2.210.241])
          by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id NAA06116
          for <hackers@FreeBSD.ORG>; Thu, 29 May 1997 13:08:17 -0700 (PDT)
Received: from isbalham.ist.co.uk (isbalham.ist.co.uk [192.31.26.1])
	by agora.rdrop.com (8.8.5/8.8.5) with ESMTP id NAA26915
	for <hackers@FreeBSD.ORG>; Thu, 29 May 1997 13:08:07 -0700 (PDT)
Received: from gid.co.uk (uucp@localhost)
          by isbalham.ist.co.uk (8.8.4/8.8.4) with UUCP
	  id UAA06094; Thu, 29 May 1997 20:57:58 +0100 (BST)
Received: from [194.32.164.2] by seagoon.gid.co.uk; Thu, 29 May 1997 20:59:28 +0100
X-Sender: rb@194.32.164.1
Message-Id: <l03020900afb38f29f0df@[194.32.164.2]>
In-Reply-To: <E0wX6vy-0002fp-00@rover.village.org>
References: Your message of "Thu, 29 May 1997 07:56:26 PDT."	
 <199705291456.HAA03526@phaeton.artisoft.com>
 <199705291456.HAA03526@phaeton.artisoft.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Date: Thu, 29 May 1997 20:56:25 +0100
To: Warner Losh <imp@village.org>
From: Bob Bishop <rb@gid.co.uk>
Subject: Re: Correct way to chroot for shell account users?
Cc: dec@phoenix.its.rpi.edu, peter@grendel.IAEhv.nl, mrcpu@cdsnet.net,
        hackers@FreeBSD.ORG, Terry Lambert <terry@lambert.org>
Sender: owner-hackers@FreeBSD.ORG
X-Loop: FreeBSD.org
Precedence: bulk

I'm sure I'm being desperately naive here, but isn't it sufficient for
safety to make chroot(2) a successful no-op unless / is really / (ie the
process isn't chrooted already)?


--
Bob Bishop              (0118) 977 4017  international code +44 118
rb@gid.co.uk        fax (0118) 989 4254  between 0800 and 1800 UK