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

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Date:	Thu, 29 Nov 2007 01:53:46 +0100 (CET)
From:	Jan Engelhardt <jengelh@...putergmbh.de>
To:	Greg KH <greg@...ah.com>
cc:	Valdis.Kletnieks@...edu, Christoph Hellwig <hch@...radead.org>,
	Al Viro <viro@....linux.org.uk>,
	Casey Schaufler <casey@...aufler-ca.com>,
	"Tvrtko A. Ursulin" <tvrtko.ursulin@...hos.com>,
	linux-kernel@...r.kernel.org
Subject: Re: Out of tree module using LSM


On Nov 28 2007 16:38, Greg KH wrote:
>> 
>> And if we are talking about the situation when files are written to
>> in controlled way (i.e. we are not concerned with malware running on
>> the box in question and just want to stop it from passing through
>> mailsewer, etc.), then there's no damn need to play with LSM - just
>> have e.g. coda with its commit-on-close and run the scanner on
>> commit.  End of story.  Mind you, in such setups one would be much
>> better off just having the mail server run the tests explicitly in
>> the userland, along with the rest of anti-spam, etc. filters.
>
>I've repeated the above statements so many times to a number of the
>anti-virus companies, and other people that really should know better,
>that I'm really sick of it.  For some reason, they keep trying to do
>things like this in the kernel, despite it being trivial to do in
>userspace properly.
>
Do you mean something along the lines of FUSE?


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