linux-kernel - Re: [RFC 0/5] [TALPA] Intro to a linux interface for on access scanning

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Message-ID: <4897CFE0.2070008@ii.net>
Date:	Tue, 05 Aug 2008 11:58:24 +0800
From:	Cliffe <cliffe@...net>
To:	Greg KH <greg@...ah.com>
CC:	Casey Schaufler <casey@...aufler-ca.com>,
	Eric Paris <eparis@...hat.com>, malware-list@...ts.printk.net,
	linux-kernel@...r.kernel.org, linux-security-module@...r.kernel.org
Subject: Re: [RFC 0/5] [TALPA] Intro to a linux interface for on access	scanning

Greg KH wrote:
> On Tue, Aug 05, 2008 at 11:01:59AM +0800, Cliffe wrote:
>   
>> If we had stackable LSMs then the required functionality could simply be 
>> built into the LSM interface. Then the anti-malware would simply stack 
>> itself with other LSMs.
>>     
>
> Could it really?  How would such an interface work?
>
> Remember, the big issue here isn't the kernel "hooks", but the fact that
> a lot of people are yet to be convinced that something like this needs
> to be within the kernel itself.
>
> Perhaps we should dig up the proposals for the filesystem-notify type
> patches, something like that might be all the majority of the virus
> people need, as they want to just scan things for Windows viruses, not
> Linux ones, and to do so "lazily" might be sufficient.
>   
 From memory Dazuko is a LSM designed for this purpose, although it 
cannot be used on systems running other LSMs due to the lack of stacking 
support. It is used by a bunch of anti-malware programs including ClamAV 
and AVG.
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