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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/