linux-kernel - Re: Out of tree module using LSM

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Message-ID: <20071202215634.GB2438@elf.ucw.cz>
Date:	Sun, 2 Dec 2007 22:56:34 +0100
From:	Pavel Machek <pavel@....cz>
To:	Valdis.Kletnieks@...edu
Cc:	tvrtko.ursulin@...hos.com, Andi Kleen <andi@...stfloor.org>,
	ak@...e.de, linux-kernel@...r.kernel.org
Subject: Re: Out of tree module using LSM

On Sun 2007-12-02 16:09:55, Valdis.Kletnieks@...edu wrote:
> On Sun, 02 Dec 2007 21:22:40 +0100, Pavel Machek said:
> > Well, if you only want to detect viruses _sometimes_, you can just
> > LD_PRELOAD your scanner.
> 
> And for some use cases, that probably *is* the best answer..

I'd say so.

> > I guess the A/V people should describe what they are trying to do, as
> > in
> > 
> > "forbidden sequences of bits should never hit disk" or "forbidden
> > sequences of bits should be never read from disk"  or something...
> 
> We probably want to hear related usages as well - what *besides* A/V would be
> interested? Indexing services?  

Well... I'd really like to know what A/V people are trying to do.

Indexing services are really different, and doable with recursive
m-time Jan is preparing... 

> Software that tries to limit the
> distribution
> of sensitive info off the machine - for instance, imagine a rule that said
> "Data that comes from a file that contains SSNs or the string 'Corporate
> Secret' data isn't allowed to leave the computer" and a Perl-like 'taint'
> concept.  I'm not saying its *doable*, but it's certainly a goal that somebody
> would like to achieve...

That sounds like a task for SELinux, no?
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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