From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Glenn Morris Newsgroups: gmane.emacs.devel Subject: Re: doc-view cache file permissions Date: Tue, 30 Oct 2007 16:57:37 -0400 Message-ID: <7gk5p448xq.fsf@fencepost.gnu.org> References: NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1193777880 7464 80.91.229.12 (30 Oct 2007 20:58:00 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 30 Oct 2007 20:58:00 +0000 (UTC) Cc: Tassilo Horn , emacs-devel@gnu.org To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Oct 30 21:58:02 2007 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1Imy9t-00056O-Gp for ged-emacs-devel@m.gmane.org; Tue, 30 Oct 2007 21:57:57 +0100 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Imy9j-0003dq-Sw for ged-emacs-devel@m.gmane.org; Tue, 30 Oct 2007 16:57:47 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Imy9g-0003bc-IH for emacs-devel@gnu.org; Tue, 30 Oct 2007 16:57:44 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Imy9e-0003Xi-RO for emacs-devel@gnu.org; Tue, 30 Oct 2007 16:57:44 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Imy9e-0003XR-MN for emacs-devel@gnu.org; Tue, 30 Oct 2007 16:57:42 -0400 Original-Received: from fencepost.gnu.org ([140.186.70.10]) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1Imy9a-0006hu-B4; Tue, 30 Oct 2007 16:57:38 -0400 Original-Received: from rgm by fencepost.gnu.org with local (Exim 4.60) (envelope-from ) id 1Imy9Z-00048A-H7; Tue, 30 Oct 2007 16:57:37 -0400 X-Spook: Croatian broadside CESID Ortega csim plutonium Agfa X-Ran: WQ~Z\j&tf._3K5V0IEiQ`ST1!`!2^s^DdPit@0q0_Rd-*X%pe9DxVWK;XjP_xC5gVJ/^M/ X-Hue: black X-Attribution: GM User-Agent: Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/) X-detected-kernel: by monty-python.gnu.org: Linux 2.6, seldom 2.4 (older, 4) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:82160 Archived-At: Stefan Monnier wrote: > + ;; Try and make sure doc-view-cache-directory exists and is safe. > + (condition-case nil > + (make-directory doc-view-cache-directory) > + (file-already-exists > + (cond > + ((file-symlink-p doc-view-cache-directory) > + (error "Danger: doc-view-cache-directory points to a symbolic link")) > + ((not (file-directory-p doc-view-cache-directory)) > + (error "doc-view-cache-directory is not a directory")) > + ((not (file-writable-p doc-view-cache-directory)) > + (error "Cannot write to doc-view-cache-directory")) > + ((not (= (user-uid) (nth 2 (file-attributes doc-view-cache-directory)))) > + (error "Danger: doc-view-cache-directory does not belong to us"))))) Is that worthy of being the basis of a more generally available `make-secure-directory' function?