From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Christoph Hellwig <hch@infradead.org>
Cc: "Serge E. Hallyn" <serue@us.ibm.com>,
Andrew Morton <akpm@osdl.org>,
chrisw@osdl.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [patch 2/3] lsm: add bsdjail module
Date: Mon, 11 Oct 2004 14:47:29 +0100 [thread overview]
Message-ID: <1097502444.31259.19.camel@localhost.localdomain> (raw)
In-Reply-To: <20041010104113.GC28456@infradead.org>
On Sul, 2004-10-10 at 11:41, Christoph Hellwig wrote:
> Your filesystem handling code is completely superflous (and buggy). Please
> remove all the code dealing with chroot-lookalikes. In your userland script
> you simpl have to clone(.., CLONE_NEWNS) to detach your namespace from your
> parent, then you can lazly unmount all filesystems and setup your new namespace
> before starting the jail. The added advantage is that you don't need any
> cludges to keep the user from exiting the chroot.
AF_UNIX socket and fchdir().
That however requires a co-operator outside the chroot so doesn't seem
to be a problem. I like the CLONE approach, its a lot cleaner.
next prev parent reply other threads:[~2004-10-11 14:53 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-06 20:21 (patch 1/3) lsm: add control over /proc/<pid> visibility Serge Hallyn
2004-10-06 20:24 ` [patch 1/3] lsm: add bsdjail module Serge Hallyn
2004-10-06 23:26 ` Andrew Morton
2004-10-07 4:08 ` Serge E. Hallyn
2004-10-07 6:18 ` James Morris
2004-10-07 6:22 ` Andrew Morton
2004-10-07 16:06 ` Chris Wright
2004-10-07 18:40 ` Andrew Morton
2004-10-07 18:52 ` Chris Wright
2004-10-07 20:56 ` Serge E. Hallyn
2004-10-10 6:24 ` Herbert Poetzl
2004-10-07 12:06 ` Alan Cox
2004-10-07 19:01 ` [patch 2/3] " Serge E. Hallyn
2004-10-07 19:42 ` Chris Wright
2004-10-07 20:05 ` Andrew Morton
2004-10-08 18:05 ` Serge E. Hallyn
2004-10-10 10:41 ` Christoph Hellwig
2004-10-10 11:31 ` Serge E. Hallyn
2004-10-10 11:34 ` Christoph Hellwig
2004-10-11 13:47 ` Alan Cox [this message]
2004-10-12 7:00 ` Herbert Poetzl
2004-10-12 9:00 ` Christoph Hellwig
2004-10-12 12:27 ` Herbert Poetzl
2004-10-20 15:36 ` Christoph Hellwig
2004-10-20 19:18 ` Herbert Poetzl
2004-10-12 13:11 ` Serge E. Hallyn
2004-10-12 14:15 ` Christoph Hellwig
2004-10-12 22:35 ` Ulrich Drepper
2004-10-13 0:58 ` Serge E. Hallyn
2004-10-13 1:09 ` Ulrich Drepper
2004-10-13 1:22 ` Serge E. Hallyn
2004-10-13 15:26 ` Stephen Smalley
2004-10-13 1:11 ` Chris Wright
2004-10-13 14:25 ` Stephen Smalley
2004-10-06 20:25 ` [patch 3/3] lsm: add bsdjail documentation Serge Hallyn
2004-10-07 22:17 ` Matthias Urlichs
2004-10-08 20:02 ` Serge E. Hallyn
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