linux-kernel - Re: [malware-list] [RFC 0/5] [TALPA] Intro to alinuxinterfaceforon access scanning

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Message-ID: <20080815113528.GI13048@mit.edu>
Date:	Fri, 15 Aug 2008 07:35:29 -0400
From:	Theodore Tso <tytso@....edu>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Rik van Riel <riel@...hat.com>, Pavel Machek <pavel@...e.cz>,
	"Press, Jonathan" <Jonathan.Press@...com>, davecb@....com,
	Adrian Bunk <bunk@...nel.org>,
	Mihai Don??u <mdontu@...defender.com>,
	linux-kernel@...r.kernel.org, malware-list@...ts.printk.net,
	linux-security-module@...r.kernel.org,
	Arjan van de Ven <arjan@...radead.org>
Subject: Re: [malware-list] [RFC 0/5] [TALPA] Intro to alinuxinterfaceforon
	access scanning

On Fri, Aug 15, 2008 at 09:35:13AM +0100, Alan Cox wrote:
> We shouldn't need to care what people do with good interface. What
> matters is in your airport example is that at the infrastructure level
> there is a point you can choose to do scanning and we agree where.
> Whether people use this to provide a Starbucks or goons with rubber
> gloves who take away babies milk is an application layer problem.

If it's a good interface that also happens to address HSM/DMAPI
functionality, as well as a more efficient way for trackerd to work, I
agree completely.  I think you will agree the proposed TALPA interface
is a bit too virus-scanner specific, though?  Especially with explicit
talk of specialized (persistent or not) "clean/dirty/infected" bits
that the kernel would store in the inode for the benefit of the AV
scanner?  That's rather optimized for the goons-with-rubber-gloves
that-make-mothers-drink-their-own-breast-to-prove-it's-not-explosives
crowd, I think...

       	     	      	  	    		   - Ted
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