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

[Cliffe]

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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