From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: linux-nfs-owner@vger.kernel.org Received: from relay.parallels.com ([195.214.232.42]:41180 "EHLO relay.parallels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754905Ab2EVSlW convert rfc822-to-8bit (ORCPT ); Tue, 22 May 2012 14:41:22 -0400 Message-ID: <4FBBDDCF.4070803@parallels.com> Date: Tue, 22 May 2012 22:41:19 +0400 From: Stanislav Kinsbursky MIME-Version: 1.0 To: "J. Bruce Fields" CC: Simo Sorce , "bfields@redhat.com" , "linux-nfs@vger.kernel.org" Subject: Re: [PATCH 3/4] SUNRPC: Add RPC based upcall mechanism for RPCGSS auth References: <1337087550-9821-4-git-send-email-simo@redhat.com> <20120522124728.GB891@fieldses.org> <1337691607.16840.178.camel@willson.li.ssimo.org> <4FBB91EE.3010307@parallels.com> <1337692966.16840.181.camel@willson.li.ssimo.org> <4FBB9551.9010407@parallels.com> <20120522142035.GC891@fieldses.org> <4FBBA667.4090409@parallels.com> <20120522150748.GF891@fieldses.org> <4FBBAE81.9010708@parallels.com> <20120522181129.GB4697@fieldses.org> In-Reply-To: <20120522181129.GB4697@fieldses.org> Content-Type: text/plain; charset="UTF-8"; format=flowed Sender: linux-nfs-owner@vger.kernel.org List-ID: 22.05.2012 22:11, J. Bruce Fields написал: > On Tue, May 22, 2012 at 07:19:29PM +0400, Stanislav Kinsbursky wrote: >> Just a reminder: abstract (is it the right name?) UNIX sockets (with >> '\0' as a first character in name) are containerized already. >> If UNIX socket is the only way. then maybe this "abstract" socket can be used? > Huh. Reading the section on abstract addresses in unix(7).... Maybe > that would work. I don't quite understand the namespace. If we fix a > name for gss-proxy to use, what's to prevent somebody else from binding > to the same name and preventing us from using it? Alien network namespace. Abstract sockets address consist of two parts: name istelf and network namespace. Have a look at unix_bind () - you'll see, that sockets with the same name but different network namespace are skipped. > > --b.