Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755631AbaGIItE (ORCPT ); Wed, 9 Jul 2014 04:49:04 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:60729 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755123AbaGIItA (ORCPT ); Wed, 9 Jul 2014 04:49:00 -0400 Date: Wed, 9 Jul 2014 01:48:59 -0700 From: Christoph Hellwig To: David Drysdale Cc: Christoph Hellwig , LSM List , "linux-kernel@vger.kernel.org" , Greg Kroah-Hartman , Alexander Viro , Meredydd Luff , Kees Cook , James Morris , Linux API Subject: Re: [PATCH 01/11] fs: add O_BENEATH_ONLY flag to openat(2) Message-ID: <20140709084859.GA4618@infradead.org> References: <1404124096-21445-1-git-send-email-drysdale@google.com> <1404124096-21445-2-git-send-email-drysdale@google.com> <20140708120331.GA30459@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 08, 2014 at 05:54:24PM +0100, David Drysdale wrote: > > How is this implemented in FreeBSD? I can't find any references to > > O_BENEATH_ONLY except for your patchset. > > FreeBSD have the relative-only behaviour for openat() relative to a > Capsicum capability dfd [1], and for a process in capability-mode [2], > but they don't have the O_BENEATH_ONLY as a separately-accessible > openat() flag. However, it seemed like a more widely useful idea so > separating it out was suggested. In that case we should make sure to use the same name and semantics for it. As far as I'm concerned I'd prefer a less clumsy name like O_BENEATH. -- 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/