From: Christoph Hellwig <hch@infradead.org>
To: Bryan Henderson <hbryan@us.ibm.com>
Cc: Christoph Hellwig <hch@lst.de>,
akpm@osdl.org, andros@citi.umich.edu,
"J. Bruce Fields" <bfields@fieldses.org>,
linux-fsdevel@vger.kernel.org, neilb@cse.unsw.edu.au
Subject: Re: NFS4 crack
Date: Mon, 19 Sep 2005 19:02:40 +0100 [thread overview]
Message-ID: <20050919180240.GA26470@infradead.org> (raw)
In-Reply-To: <OF4D85FD82.DF930F59-ON88257081.005D34A8-88257081.005EA63B@us.ibm.com>
On Mon, Sep 19, 2005 at 10:13:49AM -0700, Bryan Henderson wrote:
> >FILENAMES ARE POLICY AND HAVE NO BUSINESS IN THE KERNEL
>
> I think that's a great policy, but we can't be all that righteous about it
> because we don't do it today. I have a system that has highly customized
> file names, so I'm pretty familiar with all the world's hardcoded file
> names. ISTR the Linux kernel hardcodes /sbin/init, /bin/sh, and
> /sbin/modprobe.
They are not nice, but quite a bit different, as we are trying to execute
them, which can't have bad side-effects in case they don't exist.
What nfsd does is expecting a directory to be present on which it can
do various operations. That's much worse then trying to execute or
even read from a file. Besides that all this directory handling really
belongs into userland as pointed out _three times_ now.
next prev parent reply other threads:[~2005-09-19 18:02 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-18 10:21 NFS4 crack Christoph Hellwig
2005-09-18 14:36 ` J. Bruce Fields
2005-09-19 10:35 ` Christoph Hellwig
2005-09-19 13:04 ` Anton Altaparmakov
2005-09-19 13:35 ` J. Bruce Fields
2005-09-19 13:39 ` Christoph Hellwig
2005-09-19 14:07 ` J. Bruce Fields
2005-09-19 14:11 ` Christoph Hellwig
2005-09-19 17:13 ` Bryan Henderson
2005-09-19 17:16 ` Randy.Dunlap
2005-09-19 21:57 ` Bryan Henderson
2005-09-19 22:11 ` Randy.Dunlap
2005-09-20 0:17 ` Bryan Henderson
2005-09-19 18:02 ` Christoph Hellwig [this message]
2005-09-19 18:53 ` William A.(Andy) Adamson
2005-09-19 18:59 ` Christoph Hellwig
2005-09-19 22:04 ` Bryan Henderson
2005-09-19 19:01 ` J. Bruce Fields
2005-09-19 19:05 ` Christoph Hellwig
2005-09-19 20:31 ` J. Bruce Fields
2005-09-20 12:49 ` Greg KH
2005-09-20 15:10 ` William A.(Andy) Adamson
2005-09-20 18:37 ` Neil Brown
2005-09-21 7:44 ` Andrew Morton
2005-09-22 20:58 ` William A.(Andy) Adamson
2005-09-21 13:41 ` Trond Myklebust
2005-09-21 14:40 ` J. Bruce Fields
2005-09-22 16:28 ` Bryan Henderson
2005-09-22 16:52 ` Trond Myklebust
2005-09-22 17:38 ` Peter Staubach
2005-09-22 17:52 ` Trond Myklebust
2005-09-22 18:07 ` Peter Staubach
2005-09-22 21:08 ` Bryan Henderson
2005-09-23 12:17 ` Peter Staubach
2005-09-23 20:50 ` Bryan Henderson
2005-09-23 21:02 ` NFS4 crack\ Al Viro
2005-09-26 16:29 ` Bryan Henderson
2005-09-26 17:13 ` Peter Staubach
2005-09-22 21:48 ` NFS4 crack Nicholas Miell
2005-09-22 22:50 ` Greg Banks
2005-09-22 21:19 ` Bryan Henderson
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