Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751957AbWKBQaZ (ORCPT ); Thu, 2 Nov 2006 11:30:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751973AbWKBQaZ (ORCPT ); Thu, 2 Nov 2006 11:30:25 -0500 Received: from mx1.redhat.com ([66.187.233.31]:1483 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S1751957AbWKBQaY (ORCPT ); Thu, 2 Nov 2006 11:30:24 -0500 Subject: Re: Security issues with local filesystem caching From: Karl MacMillan To: Stephen Smalley Cc: David Howells , jmorris@namei.org, chrisw@sous-sol.org, selinux@tycho.nsa.gov, linux-kernel@vger.kernel.org, aviro@redhat.com In-Reply-To: <1162403134.32614.242.camel@moss-spartans.epoch.ncsc.mil> References: <1162387735.32614.184.camel@moss-spartans.epoch.ncsc.mil> <16969.1161771256@redhat.com> <31035.1162330008@redhat.com> <4417.1162395294@redhat.com> <1162396705.29617.18.camel@localhost.localdomain> <1162403134.32614.242.camel@moss-spartans.epoch.ncsc.mil> Content-Type: text/plain Date: Thu, 02 Nov 2006 11:29:24 -0500 Message-Id: <1162484964.6503.9.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.9.1 (2.9.1-2.fc7) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 865 Lines: 24 On Wed, 2006-11-01 at 12:45 -0500, Stephen Smalley wrote: > On Wed, 2006-11-01 at 10:58 -0500, Karl MacMillan wrote: > > fssid seems like the wrong name, though it does match the DAC concept. > > This is really more general impersonation of another domain by the > > kernel and might have other uses. > > NFS will want a fssid in order to have file access checks applied > against the client process' SID if/when the client process' context > becomes available. I was suggesting that it might be helpful if this applied to all checks - not just file access - and would therefore need a different name. Karl - 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/