From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Vincent Lefevre Newsgroups: gmane.emacs.bugs Subject: bug#32413: 25.2; When run as root, emacs writes dconf files in a non-root user's /run/user/XXX directory Date: Fri, 10 Aug 2018 11:30:09 +0200 Message-ID: <87k1oyy3fi.fsf@zira.vinc17.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1533893349 12637 195.159.176.226 (10 Aug 2018 09:29:09 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Fri, 10 Aug 2018 09:29:09 +0000 (UTC) To: 32413@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Aug 10 11:29:05 2018 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fo3jF-0003BD-3W for geb-bug-gnu-emacs@m.gmane.org; Fri, 10 Aug 2018 11:29:05 +0200 Original-Received: from localhost ([::1]:55121 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fo3lL-0004SN-Mz for geb-bug-gnu-emacs@m.gmane.org; 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Fri, 10 Aug 2018 05:30:23 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fo3kQ-0004mX-9k for bug-gnu-emacs@gnu.org; Fri, 10 Aug 2018 05:30:21 -0400 Original-Received: from joooj.vinc17.net ([155.133.131.76]:38300) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fo3kP-0004eG-LB for bug-gnu-emacs@gnu.org; Fri, 10 Aug 2018 05:30:17 -0400 Original-Received: from smtp-zira.vinc17.net (unknown [37.168.145.214]) by joooj.vinc17.net (Postfix) with ESMTPSA id BEA16256; Fri, 10 Aug 2018 11:30:09 +0200 (CEST) Original-Received: by zira.vinc17.org (Postfix, from userid 1000) id 3EDB8C2017A; Fri, 10 Aug 2018 11:30:09 +0200 (CEST) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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" Xref: news.gmane.org gmane.emacs.bugs:149404 Archived-At: Original bug report: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=891063 In summary: Just after one logs in, does a "su" and runs Emacs, Emacs writes dconf files in a non-root user's /run/user/XXX directory (related to DBUS_SESSION_BUS_ADDRESS or XDG_RUNTIME_DIR). I got: zira:~> ll /run/user/1000 total 0 srw-rw-rw- 1 vinc17 vinc17 0 2018-02-22 04:02:21 bus= drwx------ 3 vinc17 vinc17 60 2018-02-22 04:02:21 dbus-1/ drwx------ 2 root root 60 2018-02-22 04:02:32 dconf/ ^^^^^^^^^^^ drwx------ 2 vinc17 vinc17 140 2018-02-22 04:02:21 gnupg/ drwx------ 2 vinc17 vinc17 40 2018-02-22 04:03:28 gvfs/ drwx------ 2 vinc17 vinc17 80 2018-02-22 04:02:21 pulse/ drwxr-xr-x 2 vinc17 vinc17 80 2018-02-22 04:02:21 systemd/ Unsurprisingly, this then yields issues when one runs Emacs as a normal user: (emacs:8958): dconf-CRITICAL **: unable to create file '/run/user/1000/dconf/user': Permission denied. dconf will not work properly. [...] Emacs should never create files/directories if the user hasn't explicitly asked it to do that, in particular if this is under a directory owned by a different user. In GNU Emacs 25.2.2 (x86_64-pc-linux-gnu, GTK+ Version 3.22.30) of 2018-07-11, modified by Debian built on x86-ubc-01 Windowing system distributor 'The X.Org Foundation', version 11.0.12000000 System Description: Debian GNU/Linux stable-updates (sid) Configured using: 'configure --build x86_64-linux-gnu --prefix=/usr --sharedstatedir=/var/lib --libexecdir=/usr/lib --localstatedir=/var/lib --infodir=/usr/share/info --mandir=/usr/share/man --with-pop=yes --enable-locallisppath=/etc/emacs25:/etc/emacs:/usr/local/share/emacs/25.2/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/25.2/site-lisp:/usr/share/emacs/site-lisp --with-sound=alsa --without-gconf --build x86_64-linux-gnu --prefix=/usr --sharedstatedir=/var/lib --libexecdir=/usr/lib --localstatedir=/var/lib --infodir=/usr/share/info --mandir=/usr/share/man --with-pop=yes --enable-locallisppath=/etc/emacs25:/etc/emacs:/usr/local/share/emacs/25.2/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/25.2/site-lisp:/usr/share/emacs/site-lisp --with-sound=alsa --without-gconf --with-x=yes --with-x-toolkit=gtk3 --with-toolkit-scroll-bars 'CFLAGS=-g -O2 -fdebug-prefix-map=/build/emacs25-cfFROJ/emacs25-25.2+1=. -fstack-protector-strong -Wformat -Werror=format-security -Wall' 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2' LDFLAGS=-Wl,-z,relro' Configured features: XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS GTK3 X11 Important settings: value of $LC_COLLATE: POSIX value of $LC_CTYPE: en_US.UTF-8 value of $LC_TIME: en_DK value of $LANG: POSIX locale-coding-system: utf-8-unix Major mode: Lisp Interaction Minor modes in effect: display-time-mode: t show-paren-mode: t tooltip-mode: t global-eldoc-mode: t electric-indent-mode: t mouse-wheel-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t blink-cursor-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t column-number-mode: t line-number-mode: t transient-mark-mode: t Recent messages: Loading /etc/emacs/site-start.d/50latex-cjk-common.el (source)...done Loading /etc/emacs/site-start.d/50latex-cjk-thai.el (source)...done Loading /etc/emacs/site-start.d/50psvn.el (source)...done Loading /etc/emacs/site-start.d/50python-docutils.el (source)...done Loading /etc/emacs/site-start.d/50rnc-mode.el (source)...done Loading /etc/emacs/site-start.d/50texlive-lang-english.el (source)...done Loading /etc/emacs/site-start.d/50why3.el (source)...done Loading /home/vinc17/share/emacs/site-lisp/mutteditor.el (source)...done Loading time...done For information about GNU Emacs and the GNU system, type C-h C-a. Load-path shadows: /usr/share/emacs/25.2/site-lisp/why3 hides /usr/share/emacs/site-lisp/why3 /usr/share/emacs/25.2/site-lisp/debian-startup hides /usr/share/emacs/site-lisp/debian-startup /usr/share/emacs25/site-lisp/cmake-data/cmake-mode hides /usr/share/emacs/site-lisp/cmake-mode /usr/share/emacs/site-lisp/rst hides /usr/share/emacs/25.2/lisp/textmodes/rst /usr/share/emacs25/site-lisp/latex-cjk-thai/thai-word hides /usr/share/emacs/25.2/lisp/language/thai-word Features: (shadow sort mail-extr warnings emacsbug message dired format-spec rfc822 mml mml-sec password-cache epg epg-config gnus-util mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums mm-util help-fns help-mode easymenu mail-prsvr mail-utils time cus-start cus-load paren cc-styles cc-align cc-engine cc-vars cc-defs edmacro kmacro cl-loaddefs pcase cl-lib time-date mule-util tooltip eldoc electric uniquify ediff-hook vc-hooks lisp-float-type mwheel x-win term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe tabulated-list newcomment elisp-mode lisp-mode prog-mode register page menu-bar rfn-eshadow timer select scroll-bar mouse jit-lock font-lock syntax facemenu font-core frame cl-generic cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese charscript case-table epa-hook jka-cmpr-hook help simple abbrev minibuffer cl-preloaded nadvice loaddefs button faces cus-face macroexp files text-properties overlay sha1 md5 base64 format env code-pages mule custom widget hashtable-print-readable backquote dbusbind inotify dynamic-setting system-font-setting font-render-setting move-toolbar gtk x-toolkit x multi-tty make-network-process emacs) Memory information: ((conses 16 107170 5004) (symbols 48 22452 0) (miscs 40 55 113) (strings 32 20688 4143) (string-bytes 1 602044) (vectors 16 12882) (vector-slots 8 443217 3065) (floats 8 171 101) (intervals 56 267 0) (buffers 976 18))