linux-kernel - Re: LSM conversion to static interface

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Message-ID: <471D8A4C.3020101@debian.org>
Date:	Tue, 23 Oct 2007 07:44:44 +0200
From:	Giacomo Catenazzi <cate@...ian.org>
To:	Jan Engelhardt <jengelh@...putergmbh.de>
CC:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andreas Gruenbacher <agruen@...e.de>,
	Thomas Fricaccia <thomas_fricacci@...oo.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	James Morris <jmorris@...ei.org>
Subject: Re: LSM conversion to static interface

Jan Engelhardt wrote:

> I do have a pseudo LSM called "multiadm" at 
> http://freshmeat.net/p/multiadm/ , quoting:

> Policy is dead simple since it is based on UIDs. The UID ranges can be 
> set on module load time or during runtime (sysfs params). This LSM is 
> basically grants extra rights unlike most other LSMs[1], which is why 
> modprobe makes much more sense here. (It also does not have to do any 
> security labelling that would require it to be loaded at boot time 
> already.)

But his is against LSM design (and first agreements about LSM):
LSM can deny rights, but it should not give extra permissions
or bypass standard unix permissions.

ciao
	cate
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