linux-kernel - Re: [autofs] [PATCH 3/4] autofs4 - track uid and gid of last mount requestor

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Message-ID: <20080228123150.GA3915@sleipnir.redhat.com>
Date:	Thu, 28 Feb 2008 09:31:50 -0300
From:	Fabio Olive Leite <fleite@...hat.com>
To:	Ian Kent <raven@...maw.net>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	autofs mailing list <autofs@...ux.kernel.org>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Pavel Emelyanov <xemul@...nvz.org>
Subject: Re: [autofs] [PATCH 3/4] autofs4 - track uid and gid of last mount requestor

On Thu, Feb 28, 2008 at 05:06:11PM +0900, Ian Kent wrote:
> 
> Dumb old me, I really only need the uid.
> The gid can come from the get user info functions of glibc.

In case the process was executed from a setgid executable, you might
have a different gid from what the user has. In fact, I don't know why
you may need more than the pid, since with the pid you can get to the
task's effective uid/gid and maybe other such information you need.

Cheers,
Fábio Olivé
-- 
ex sed lex awk yacc, e pluribus unix, amem
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