Return-Path: Received: from fieldses.org ([174.143.236.118]:48118 "EHLO fieldses.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756142Ab0HCWZC (ORCPT ); Tue, 3 Aug 2010 18:25:02 -0400 Date: Tue, 3 Aug 2010 18:23:37 -0400 From: "J. Bruce Fields" To: Trond Myklebust Cc: Jim Rees , Daniel.Muntz@emc.com, linux-nfs@vger.kernel.org Subject: Re: numeric UIDs Message-ID: <20100803222337.GA9752@fieldses.org> References: <201008030401.33552.dreck@vmsd.ath.cx> <20100803164318.GB13896@merit.edu> <20100803192216.GC31579@fieldses.org> <20100803215704.GA15494@merit.edu> <1280873719.14520.17.camel@heimdal.trondhjem.org> Content-Type: text/plain; charset=us-ascii In-Reply-To: <1280873719.14520.17.camel@heimdal.trondhjem.org> Sender: linux-nfs-owner@vger.kernel.org List-ID: MIME-Version: 1.0 On Tue, Aug 03, 2010 at 06:15:19PM -0400, Trond Myklebust wrote: > On Tue, 2010-08-03 at 17:57 -0400, Jim Rees wrote: > > Daniel.Muntz@emc.com wrote: > > > > I'll fourth this motion. The spec goes out of its way to declare this a > > violation. IMHO, the NFSv4.[0-n] specs should adopt the convention that a > > uid string consisting of [0-9]+ be interpreted as the string > > representation of a numeric UID--just as valid as a "user@domain" string. > > > > I argued for this as an option in the early days but was shouted down. > > Sorry I can't remember the details, it was many years ago. > > Why is nobody talking about fixing AUTH_SYS? The alternative to using > numeric uids/gids in NFS would be to use user@domain/group@domain in the > credential. I'm not sure what that does to address complaints like original poster's: http://marc.info/?l=linux-nfs&m=128080127215350&w=2 And I'd like it to be possible to make the NFSv3->NFSv4 upgrade as transparent as possible. --b. > > I believe that Nico had some proposals for RPCSEC_GSSv3 that addresses > this issue. If adopted, it would even be backwards compatible with > NFSv4.0. > > Trond >