linux-kernel - Re: [PATCH 1/1] security: introduce fs caps

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Message-ID: <Pine.LNX.4.64.0611032309070.15745@d.namei>
Date:	Fri, 3 Nov 2006 23:12:14 -0500 (EST)
From:	James Morris <jmorris@...ei.org>
To:	Kyle Moffett <mrmacman_g4@....com>
cc:	"Serge E. Hallyn" <serue@...ibm.com>,
	Stephen Smalley <sds@...ho.nsa.gov>,
	20060906182719.GB24670@...gelap.austin.ibm.com,
	linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] security: introduce fs caps

On Fri, 3 Nov 2006, Kyle Moffett wrote:

> capabilities anyways.  I guess it _can_ be done, but why?  It's possible to
> set up an SELinux system so that there aren't even any SUID binaries, right?
> /etc/passwd can run as whatever random user and it will automatically
> transition to the appropriate domain such that it can read and modify
> /etc/shadow.

SELinux will not override DAC permissions.  You can theoretically 
configure a system with no effective DAC security and just use MAC, but it 
is definitely not advised.


- James
-- 
James Morris
<jmorris@...ei.org>
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