Date: Mon, 1 Oct 2007 13:28:21 -0700 (PDT)
From: Casey Schaufler <casey@schaufler-ca.com>
Reply-To: casey@schaufler-ca.com
Subject: Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandatory Access Control Kernel
To: Andi Kleen <ak@suse.de>, Theodore Tso <tytso@mit.edu>
Cc: Joshua Brindle <method@manicmethod.com>,
       Andrew Morton <akpm@linux-foundation.org>, casey@schaufler-ca.com,
       torvalds@linux-foundation.org, linux-security-module@vger.kernel.org,
       linux-kernel@vger.kernel.org, James Morris <jmorris@namei.org>,
       Paul Moore <paul.moore@hp.com>
In-Reply-To: <200709302205.58017.ak@suse.de>
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--- Andi Kleen <ak@suse.de> wrote:


> Anyways; if someone wants to cripple their security for some
> performance this way they can surely do this; but i don't think we should 
> offer it as a default configuration option (just as we don't have a 
> CONFIG_NULL_LSM even though there are undoubtedly systems that don't
> care about permission checking[1]) 
> 
> -Andi
> 
> [1] I bet I gave the linux-tiny crowd an idea now ;-)

You would need authoritative LSM hooks for this. The current LSM
additional restrictions model does not provide for this.


Casey Schaufler
casey@schaufler-ca.com
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