X-Recipient: archive-cygwin AT delorie DOT com X-Spam-Check-By: sourceware.org Date: Thu, 21 Jul 2011 15:31:48 +0200 From: Corinna Vinschen To: cygwin AT cygwin DOT com Subject: Re: [ -w filename ] returns true when permissions are -r--r--r-- Message-ID: <20110721133148.GL15150@calimero.vinschen.de> Reply-To: cygwin AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com References: <4E271C9E DOT 3060408 AT redhat DOT com> <2BF01EB27B56CC478AD6E5A0A28931F202EC7114 AT A1DAL1SWPES19MB DOT ams DOT acs-inc DOT net> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <2BF01EB27B56CC478AD6E5A0A28931F202EC7114@A1DAL1SWPES19MB.ams.acs-inc.net> User-Agent: Mutt/1.5.21 (2010-09-15) Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com On Jul 21 07:43, Nellis, Kenneth wrote: > > From: Eric Blake > > On 07/20/2011 12:05 PM, Reid Thompson wrote: > > > Is this broken? Or a known windows/cygwin discrepancy? Or am I > > missing > > > something with my posix/windows file permissions settings > > > > If you are running as an administrator, that might explain it. Admins > > can alter any file regardless of permissions, in which case [ -w is > > telling you the truth that under your current uid, you can indeed write > > to the file. > > > > This is a feature of access(file,W_OK), and not a bug. > > FWIW, I'm not running as administrator and I'm running 1.7.9, and I'm > seeing the same thing: > > $ touch afile > $ chmod 444 afile > $ ls -l > total 0 > -r--r--r-- 1 knellis knellis 0 Jul 21 08:36 afile > $ [ -w afile ] && echo writable || echo not writable > writable > $ echo abc >> afile > $ cat afile > abc > $ ls -l > total 1 > -r--r--r-- 1 knellis knellis 4 Jul 21 08:37 afile > $ What system? XP, Vista? 7? What's the output of `id'? Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple