From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andy Moreton Newsgroups: gmane.emacs.bugs Subject: bug#12632: file permissions checking mishandled when setuid Date: Wed, 24 Oct 2012 00:15:09 +0100 Message-ID: <82r4oo6arm.fsf@gmail.com> References: <5078CAB6.7020509@cs.ucla.edu> <83d30j3wqg.fsf@gnu.org> <507CF802.6000305@cs.ucla.edu> <83a9vm4bmv.fsf@gnu.org> <50818763.80501@cs.ucla.edu> <83wqymz4me.fsf@gnu.org> <5081A1DF.9000009@cs.ucla.edu> <5081ABD6.9060002@cs.ucla.edu> <23r4osd2f9.fsf@fencepost.gnu.org> <50836366.6080600@cs.ucla.edu> <5084E1B2.2020105@cs.ucla.edu> <83ipa2ctl2.fsf@gnu.org> <5085AD9E.7040701@cs.ucla.edu> <838vaycj65.fsf@gnu.org> <5085BB01.2030402@cs.ucla.edu> <836261df2p.fsf@gnu.org> <50862604.30208@cs.ucla.edu> <83vce1b0ja.fsf@gnu.org> <5086EF99.6060008@cs.ucla.edu> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1351034171 19875 80.91.229.3 (23 Oct 2012 23:16:11 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 23 Oct 2012 23:16:11 +0000 (UTC) To: 12632@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Oct 24 01:16:19 2012 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 1TQnhq-0002Uq-Vg for geb-bug-gnu-emacs@m.gmane.org; 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X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) 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:65951 Archived-At: On Tue 23 Oct 2012, Paul Eggert wrote: > On 10/23/2012 09:44 AM, Eli Zaretskii wrote: >> Others, like "//.", are downright dangerous, because "\\.\" begins a >> device name on Windows. With these arcana notoriously >> under-documented by MS, it is anybody's guess what such names can do >> in what APIs. > > OK, thanks for explaining: I did not know about that syntax, > or about the behavior being undocumented and undefined. > Also, come to think of it, there will be problems with > drive prefixes. FYI it is documented - see "Win32 Device Namespaces": http://msdn.microsoft.com/en-us/library/windows/desktop/aa365247%28v=vs.85%29.aspx Of course as Eli suggests, this documentation may not be the whole story, as you still need to know which names and namespaces are supported by a given API (and on which versions of Windows). AndyM