X-Recipient: archive-cygwin@delorie.com X-SWARE-Spam-Status: No, hits=-1.4 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,SPF_HELO_PASS,T_RP_MATCHES_RCVD,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: sourceware.org To: cygwin@cygwin.com connect(): No such file or directory From: Matthias Meyer Subject: Re: V1.7 and endless loops triggerd by junction points Date: Thu, 06 May 2010 19:06:11 +0200 Lines: 58 Message-ID: References: <20100505083010.GS1845@calimero.vinschen.de> <20100506084102.GV1845@calimero.vinschen.de> <20100506095711.GA7865@calimero.vinschen.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7Bit User-Agent: KNode/0.10.9 X-IsSubscribed: yes Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com Corinna Vinschen wrote: > On May 6 10:41, Corinna Vinschen wrote: >> On May 5 21:15, Matthias Meyer wrote: >> > Corinna Vinschen wrote: >> > > Otherwise, the only difference as far as I can see is the fact that >> > > the user token attrib inherited from the Cygwin shell has more user >> > > rights >> > > enabled. Namely the backup and restore rights, which allows to >> > > access >> > > files and directories which are not available by default. However, >> > > this only works in an elevated shell, too. >> > > >> > > However, it's not Cygwin's fault that attrib is not up to speed with >> > > circular symlinks on an OS which allows them. >> > > >> > It seems to be the backup and restore rights. I can run a cmd as >> > administrator and attrib don't run into the endless loop. >> > Also I can run sh from a normal user and attrib will work right. >> > Only if I run attrib within a process with the backup and restore >> > rights attrib will run into this endless loop :-( >> >> There's a workaround for you, the cygdrop tool, part of the cygutils >> package. >> >> Here's an example: >> >> elevated bash$ cd /cygdrive/c/Users/All\ Users >> >> elevated bash$ attrib Desktop >> HR C:\ProgramData\Desktop >> >> elevated bash$ attrib Desktop\\Cygwin.lnk >> A C:\ProgramData\Desktop\Cygwin.lnk >> >> elevated bash$ cygdrop -p SeBackupPrivilege >> /cygdrive/c/Windows/System32/attrib -p Desktop\\Cygwin.lnk File not >> found - Desktop\Cygwin.lnk >> >> Unfortunately you have to use the full path to attrib to make it work >> since cygdrop doesn't perform a path search. > > Sorry about that. It appears I just stumbled over a Cygwin bug in terms > of casesensitivity when using the execp family of functions. Just > calling `cygdrop -p SeBackupPrivilege attrib' without full path should > be fine, but it only works on systems which are not configured for > casesensitivity. I'll fix that in CVS. > > > Corinna > Thank you very much. I will try it after solving my feature number one (cursor/backspace) ;-) br Matthias -- Don't Panic -- 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