Re: Out of tree module using LSM
From: Greg KH
Date: Thu Nov 29 2007 - 11:49:45 EST
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.
> > There are some nice SAMBA plugins that do just that already out there...
>
> That's really not the problem :-)
Yes it is. That's all you want to catch, when a Windows machine wants
to access a file on a SAMBA server. Do the check then, in userspace.
Believe me, I've been over and over and over and over this before...
thanks,
greg k-h
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