From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Achim Gratz Newsgroups: gmane.emacs.bugs Subject: bug#17330: files.el cd-absolute overcome false negative from file-executable-p Date: Sat, 03 May 2014 11:35:01 +0200 Organization: Linux Private Site Message-ID: <87d2fvjjcq.fsf@Rainer.invalid> References: <41559D99-B080-4B34-B491-3A811FA9FEAE@bluewin.ch> <5364B437.2070106@bluewin.ch> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1399109785 28481 80.91.229.3 (3 May 2014 09:36:25 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 3 May 2014 09:36:25 +0000 (UTC) To: 17330@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat May 03 11:36:19 2014 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1WgWMk-0003XJ-2h for geb-bug-gnu-emacs@m.gmane.org; Sat, 03 May 2014 11:36:18 +0200 Original-Received: from localhost ([::1]:48130 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WgWMj-0006ED-NC for geb-bug-gnu-emacs@m.gmane.org; Sat, 03 May 2014 05:36:17 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:45282) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WgWMb-0006E0-9a for bug-gnu-emacs@gnu.org; Sat, 03 May 2014 05:36:15 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WgWMV-00062U-6F for bug-gnu-emacs@gnu.org; Sat, 03 May 2014 05:36:09 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:60004) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WgWMV-00062N-39 for bug-gnu-emacs@gnu.org; Sat, 03 May 2014 05:36:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1WgWMU-000253-Gb for bug-gnu-emacs@gnu.org; Sat, 03 May 2014 05:36:02 -0400 X-Loop: help-debbugs@gnu.org In-Reply-To: <41559D99-B080-4B34-B491-3A811FA9FEAE@bluewin.ch> Resent-From: Achim Gratz Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 03 May 2014 09:36:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 17330 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Original-Received: via spool by submit@debbugs.gnu.org id=B.13991097477971 (code B ref -1); Sat, 03 May 2014 09:36:02 +0000 Original-Received: (at submit) by debbugs.gnu.org; 3 May 2014 09:35:47 +0000 Original-Received: from localhost ([127.0.0.1]:49122 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1WgWME-00024S-PU for submit@debbugs.gnu.org; Sat, 03 May 2014 05:35:47 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:43460) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1WgWMC-00024A-3p for submit@debbugs.gnu.org; Sat, 03 May 2014 05:35:45 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WgWM0-0005dq-Rp for submit@debbugs.gnu.org; Sat, 03 May 2014 05:35:38 -0400 Original-Received: from lists.gnu.org ([2001:4830:134:3::11]:47200) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WgWM0-0005dm-PR for submit@debbugs.gnu.org; Sat, 03 May 2014 05:35:32 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:45166) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WgWLv-0005zR-Aa for bug-gnu-emacs@gnu.org; Sat, 03 May 2014 05:35:32 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WgWLp-0005b3-LZ for bug-gnu-emacs@gnu.org; Sat, 03 May 2014 05:35:27 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:33105) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WgWLp-0005at-EU for bug-gnu-emacs@gnu.org; Sat, 03 May 2014 05:35:21 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1WgWLm-0005Cb-7T for bug-gnu-emacs@gnu.org; Sat, 03 May 2014 11:35:18 +0200 Original-Received: from pd9eb04be.dip0.t-ipconnect.de ([217.235.4.190]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 03 May 2014 11:35:18 +0200 Original-Received: from Stromeko by pd9eb04be.dip0.t-ipconnect.de with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 03 May 2014 11:35:18 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 23 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: pd9eb04be.dip0.t-ipconnect.de User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux) Cancel-Lock: sha1:HGctHktMOXQcqSn9qZb+i4aYBbI= X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:88584 Archived-At: Philip Hodges writes: > Your example platform likely has euidaccess and so takes the effective > user id and ACL into account. Thanks for checking. I'm glad it works. > > Otherwise fileio.c:check_executable calls access which ignores any > effective id, or looks at bits returned by stat. Cygwin also uses euidaccess (or should, anyway): http://cygwin.com/ml/cygwin/2011-12/msg00364.html But yes, you can totally have full access to a directory or file on a Windows box while all permission flags show that you don't (I guess that is also possible on UN*X, although I've never tried). You'll never know until you actually try. Regards, Achim. -- +<[Q+ Matrix-12 WAVE#46+305 Neuron microQkb Andromeda XTk Blofeld]>+ Factory and User Sound Singles for Waldorf Q+, Q and microQ: http://Synth.Stromeko.net/Downloads.html#WaldorfSounds