Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763372AbXK2Qtn (ORCPT ); Thu, 29 Nov 2007 11:49:43 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762395AbXK2Qsm (ORCPT ); Thu, 29 Nov 2007 11:48:42 -0500 Received: from pentafluge.infradead.org ([213.146.154.40]:60830 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762283AbXK2Qsl (ORCPT ); Thu, 29 Nov 2007 11:48:41 -0500 Date: Thu, 29 Nov 2007 08:47:46 -0800 From: Greg KH To: Jon Masters Cc: Jan Engelhardt , Valdis.Kletnieks@vt.edu, Christoph Hellwig , Al Viro , Casey Schaufler , "Tvrtko A. Ursulin" , linux-kernel@vger.kernel.org Subject: Re: Out of tree module using LSM Message-ID: <20071129164746.GB9664@kroah.com> References: <20071128144156.GA14106@infradead.org> <416908.77038.qm@web36613.mail.mud.yahoo.com> <20071128164613.GA21815@infradead.org> <25290.1196273705@turing-police.cc.vt.edu> <20071128183040.GW8181@ftp.linux.org.uk> <20071129003840.GA22530@kroah.com> <20071129010753.GA19106@kroah.com> <1196354172.6473.52.camel@perihelion> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1196354172.6473.52.camel@perihelion> User-Agent: Mutt/1.5.16 (2007-06-09) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1213 Lines: 31 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@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/