Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755471AbXKGAoY (ORCPT ); Tue, 6 Nov 2007 19:44:24 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754263AbXKGAoP (ORCPT ); Tue, 6 Nov 2007 19:44:15 -0500 Received: from mailout.stusta.mhn.de ([141.84.69.5]:58272 "EHLO mailhub.stusta.mhn.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754178AbXKGAoO (ORCPT ); Tue, 6 Nov 2007 19:44:14 -0500 Date: Wed, 7 Nov 2007 01:43:50 +0100 From: Adrian Bunk To: Linus Torvalds Cc: "Ahmed S. Darwish" , Pavel Machek , Casey Schaufler , akpm@linux-foundation.org, linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org, Al Viro Subject: Re: [PATCH] Smackv10: Smack rules grammar + their stateful parser Message-ID: <20071107004350.GS26163@stusta.de> References: <20071103164303.GA26707@ubuntu> <20071104122848.GC3921@ucw.cz> <20071105094007.GA19367@ubuntu> <20071106080637.GB26163@stusta.de> <20071106230044.GO26163@stusta.de> <20071107000705.GQ26163@stusta.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1164 Lines: 35 On Tue, Nov 06, 2007 at 04:27:19PM -0800, Linus Torvalds wrote: > > > On Wed, 7 Nov 2007, Adrian Bunk wrote: > > > > But if you want to match "one character" (like TOMOYO does) or want to > > check for printable characters except space (like Smack does) you must > > know whether the byte string 0xC3 0xA0 is the character à or a sequence > > of two characters with the second one being NBSP. > > No you don't. You just check the binary value, and decide that ' ', '\t' > and '\n' are special. > > Don't go get excited. How should TOMOYO implement it's "match one character" in a pattern (used to allow or deny access in a name-based MAC)? > Linus cu Adrian -- "Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed - 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/