linux-kernel - Re: LSM Stacking

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Message-ID: <20070313211703.GQ6602@sequoia.sous-sol.org>
Date:	Tue, 13 Mar 2007 14:17:03 -0700
From:	Chris Wright <chrisw@...s-sol.org>
To:	JanuGerman <doublemalam@...oo.co.uk>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: LSM Stacking

* JanuGerman (doublemalam@...oo.co.uk) wrote:
> My question is that whether root_plug.c security
> module is stacked with the SELinux security module or
> not. If root_plug.c is stacked, where i can find the
> code which handles the stacking of SELinux and
> root_plug.c within the kernel.

Look at rootplug_init where it does mod_reg_security.
If you have SELinux builtin, and subsequently register
rootplug, it will stack under SELinux.  Typically this
isn't the case (typically stacks with capabilities).

> Further, any pointer to stacking mechansims in Linux
> 2.6.* kernel will be highly appreciated.

Check the linux-security-module archives.  This issue
has been discussed quite extensively numerous times
there.

thanks,
-chris
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