From owner-freebsd-geom@FreeBSD.ORG  Sat Aug 21 09:10:04 2010
Return-Path: <owner-freebsd-geom@FreeBSD.ORG>
Delivered-To: freebsd-geom@hub.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 7BAC1106566B
	for <freebsd-geom@hub.freebsd.org>;
	Sat, 21 Aug 2010 09:10:04 +0000 (UTC)
	(envelope-from gnats@FreeBSD.org)
Received: from freefall.freebsd.org (freefall.freebsd.org
	[IPv6:2001:4f8:fff6::28])
	by mx1.freebsd.org (Postfix) with ESMTP id 6D7B18FC14
	for <freebsd-geom@hub.freebsd.org>;
	Sat, 21 Aug 2010 09:10:04 +0000 (UTC)
Received: from freefall.freebsd.org (localhost [127.0.0.1])
	by freefall.freebsd.org (8.14.4/8.14.4) with ESMTP id o7L9A3IM069713
	for <freebsd-geom@freefall.freebsd.org>; Sat, 21 Aug 2010 09:10:03 GMT
	(envelope-from gnats@freefall.freebsd.org)
Received: (from gnats@localhost)
	by freefall.freebsd.org (8.14.4/8.14.4/Submit) id o7L9A3LA069712;
	Sat, 21 Aug 2010 09:10:03 GMT (envelope-from gnats)
Date: Sat, 21 Aug 2010 09:10:03 GMT
Message-Id: <201008210910.o7L9A3LA069712@freefall.freebsd.org>
To: freebsd-geom@FreeBSD.org
From: walter@pelissero.de (Walter C. Pelissero)
Cc: 
Subject: Re: kern/149762: volume labels with rogue characters
X-BeenThere: freebsd-geom@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
Reply-To: "Walter C. Pelissero" <walter@pelissero.de>
List-Id: GEOM-specific discussions and implementations
	<freebsd-geom.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-geom>,
	<mailto:freebsd-geom-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-geom>
List-Post: <mailto:freebsd-geom@freebsd.org>
List-Help: <mailto:freebsd-geom-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-geom>,
	<mailto:freebsd-geom-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 21 Aug 2010 09:10:04 -0000

The following reply was made to PR kern/149762; it has been noted by GNATS.

From: walter@pelissero.de (Walter C. Pelissero)
To: Marcin =?iso-8859-2?Q?Wi=B6nicki?= <mwisnicki@gmail.com>
Cc: bug-followup <bug-followup@FreeBSD.org>
Subject: Re: kern/149762: volume labels with rogue characters
Date: Sat, 21 Aug 2010 01:08:44 +0200

 Marcin Wi=B6nicki writes:
  > How about using "percent encoding":
  > http://en.wikipedia.org/wiki/Percent-encoding
  >=20
  > It is well known and solves all issues.
 
 Which would have the advantage of being one byte more compact than the
 backslash-octal encoding.
 
 sanitise=5Fname performs a simple masking because the pathname built in=
 
 g=5Flabel=5Fcreate is limited to 64 chars, which I didn't know whether =
 it
 had some special meaning (on a second look, it seems as it didn't),
 and it looked rather tight for anything more elaborate.
 
 --=20
 walter pelissero
 http://www.pelissero.de