Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261473AbVEISG7 (ORCPT ); Mon, 9 May 2005 14:06:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261475AbVEISG6 (ORCPT ); Mon, 9 May 2005 14:06:58 -0400 Received: from relay1.tiscali.de ([62.26.116.129]:47287 "EHLO webmail.tiscali.de") by vger.kernel.org with ESMTP id S261473AbVEISGt (ORCPT ); Mon, 9 May 2005 14:06:49 -0400 Message-ID: <427FA6AF.4090803@tiscali.de> Date: Mon, 09 May 2005 20:06:39 +0200 From: Matthias-Christian Ott User-Agent: Mozilla Thunderbird 1.0 (X11/20050108) X-Accept-Language: en-us, en MIME-Version: 1.0 To: =?ISO-8859-1?Q?Kristian_S=F8rensen?= CC: James Morris , Linux Kernel Mailing List Subject: Re: Any work in implementing Secure IPC for Linux? References: <200505091940.22260.ks@linnovative.dk> In-Reply-To: <200505091940.22260.ks@linnovative.dk> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1074 Lines: 27 Kristian S?rensen wrote: > On Monday 09 May 2005 17:00, James Morris wrote: > >>On Mon, 9 May 2005, Kristian S?rensen wrote: >> >>>Does anyone here know of work being done in order to implement secure IPC >>>for Linux? >> >>What do you mean by secure IPC? > > As I understand it, presently the memory for the message queue is shared based > on user and group ownership of the process. By "secure IPC" is meaning a > security mechanism that provides a more fine granularity of specifying who > are allowed to send (or receive) messages... and maby also a way to resolve > the question of "Can I trust the message I received?" > > I think the gnumach (sorry for the typo in my last e-mail) concept, fixes the sending and receiving permission problem. See the gnumach documentation and source code. Matthias-Christian Ott - 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/