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From: Olaf Dietsche <olaf+list.linux-kernel@olafdietsche.de>
To: Jan Kara <jack@suse.cz>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] 2.6.23: Filesystem capabilities 0.17
Date: Thu, 01 Nov 2007 23:22:51 +0100	[thread overview]
Message-ID: <87fxzp8v2c.fsf@olafdietsche.de> (raw)
In-Reply-To: <20071101215424.GA27788@duck.suse.cz> (Jan Kara's message of "Thu\, 1 Nov 2007 22\:54\:24 +0100")

Jan Kara <jack@suse.cz> writes:

> On Thu 01-11-07 20:49:32, Olaf Dietsche wrote:
>> Jan Kara <jack@suse.cz> writes:
>> 
>> >> This patch implements filesystem capabilities. It allows to
>> >> run privileged executables without the need for suid root.
>> >   Hmm, is there some "design document" so that one does not have to poke
>> > through the code and find out what it's actually trying to do?
>> 
>> What do you mean with "trying to do"? I thought this is obvious, it
>> provides executables with filesystem capabilities.
>   Well, yes, that was obvious but I rather meant "how is it doing it?".
> So where does it store these bits and such.

The bits are stored in a sparse file named /.capabilities in the
directory of the mount point, where the corresponding executable
lives. The inode number of the file is the index into this file.

Regards, Olaf.

  reply	other threads:[~2007-11-01 22:23 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-26 16:08 [PATCH] 2.6.23: Filesystem capabilities 0.17 Olaf Dietsche
2007-10-31 17:08 ` Jan Kara
2007-11-01 19:49   ` Olaf Dietsche
2007-11-01 21:54     ` Jan Kara
2007-11-01 22:22       ` Olaf Dietsche [this message]
2007-11-02  4:21         ` Casey Schaufler
2007-11-02  9:07           ` Olaf Dietsche
2007-11-05 11:09         ` Jan Kara
2007-11-07 14:42           ` Olaf Dietsche
2007-10-31 17:36 ` Serge E. Hallyn
2007-11-01 19:54   ` Olaf Dietsche

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