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

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Message-ID: <20071129170326.GA10024@kroah.com>
Date:	Thu, 29 Nov 2007 09:03:26 -0800
From:	Greg KH <greg@...ah.com>
To:	Jan Engelhardt <jengelh@...putergmbh.de>
Cc:	Jon Masters <jonathan@...masters.org>, 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 Thu, Nov 29, 2007 at 05:53:33PM +0100, Jan Engelhardt wrote:
> 
> On Nov 29 2007 08:47, Greg KH wrote:
> >On Thu, Nov 29, 2007 at 11:36:12AM -0500, Jon Masters wrote:
> >> On Wed, 2007-11-28 at 17:07 -0800, Greg KH wrote:
> >> 
> >> > The easiest way is as Al described above, just have the userspace
> >> > program that wrote the file to disk, check it then.
> >> 
> >> But the problem is that this isn't just Samba, this is a countless
> >> myriad of different applications. And if one of them doesn't support
> >> on-access scanning, then the whole solution isn't worth using.
> >
> >Ok, which specific applications do they care about?  Last time I asked
> >it was still limited to a very small handful, all of which would be
> >trivial to add such a hook to.
> >
> Well, think bash, syscalls. While you can add a plugin to samba "easily",
> it seems overkill to do the same for rm, mv, cp, bash.

Again, these are not things that these companies care about.

Please, let's stop arguing about this, until someone actually produces
some code they want to see help resolve this "issue".

thanks,

greg k-h
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