delorie.com/archives/browse.cgi   search  
Mail Archives: cygwin/2008/12/03/09:08:30

X-Recipient: archive-cygwin AT delorie DOT com
X-Spam-Check-By: sourceware.org
Message-ID: <493692AF.D5B3FA42@dessent.net>
Date: Wed, 03 Dec 2008 06:07:43 -0800
From: Brian Dessent <brian AT dessent DOT net>
MIME-Version: 1.0
To: cygwin AT cygwin DOT com
Subject: Re: Finally managed to create a jailed SFTP server, but how secure?
References: <664060 DOT 6380 DOT qm AT web34704 DOT mail DOT mud DOT yahoo DOT com> <933558 DOT 98400 DOT qm AT web34705 DOT mail DOT mud DOT yahoo DOT com> <4934527E DOT 2070200 AT cygwin DOT com> <961872 DOT 64997 DOT qm AT web34701 DOT mail DOT mud DOT yahoo DOT com> <493568B8 DOT 3010308 AT cygwin DOT com> <49376 DOT 99112 DOT qm AT web34702 DOT mail DOT mud DOT yahoo DOT com> <20081202231141 DOT GA5449 AT ednor DOT casa DOT cgf DOT cx> <451120 DOT 45664 DOT qm AT web34703 DOT mail DOT mud DOT yahoo DOT com> <4935DD4B DOT 7050907 AT cygwin DOT com> <690548 DOT 2534 DOT qm AT web34702 DOT mail DOT mud DOT yahoo DOT com> <af075b00812030245m2b64cae2q4601c63424da611 AT mail DOT gmail DOT com> <49366705 DOT 5D2D6371 AT dessent DOT net> <940072 DOT 24685 DOT qm AT web34702 DOT mail DOT mud DOT yahoo DOT com> <49368561 DOT A8EAD4CF AT dessent DOT net> <371457 DOT 93288 DOT qm AT web34704 DOT mail DOT mud DOT yahoo DOT com> <49368C19 DOT 3060705 AT byu DOT net>
X-IsSubscribed: yes
Reply-To: cygwin AT cygwin DOT com
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id: <cygwin.cygwin.com>
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sourceware.org/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Delivered-To: mailing list cygwin AT cygwin DOT com

Eric Blake wrote:

> That's with /.  What about with \?  The cygwin dll sometimes treats the
> two separators differently, where using \ is more likely to bypass cygwin
> checks.

Don't forget the other variants, like

\\.\c:\foo\bar
\\./c:/foo/bar
\??\c:\foo\bar
\??/c:\foo\bar
\??/c:/foo/bar

Brian

--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Problem reports:       http://cygwin.com/problems.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/

- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019