From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#36583: 26.1; emacs 26 tries loading original user's .emacs after su to root Date: Thu, 11 Jul 2019 18:58:40 -0400 Message-ID: References: <87ims94p6p.fsf@dod.no> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="71485"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: Steinar Bang , 36583@debbugs.gnu.org To: Glenn Morris Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Jul 12 00:59:09 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hli1t-000ISz-L5 for geb-bug-gnu-emacs@m.gmane.org; Fri, 12 Jul 2019 00:59:09 +0200 Original-Received: from localhost ([::1]:45792 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hli1s-0003eP-AM for geb-bug-gnu-emacs@m.gmane.org; Thu, 11 Jul 2019 18:59:08 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:47284) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hli1o-0003e5-Nw for bug-gnu-emacs@gnu.org; Thu, 11 Jul 2019 18:59:05 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hli1m-0000cz-Rh for bug-gnu-emacs@gnu.org; Thu, 11 Jul 2019 18:59:04 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:58428) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hli1l-0000cT-L6 for bug-gnu-emacs@gnu.org; Thu, 11 Jul 2019 18:59:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1hli1l-0006pW-Jl for bug-gnu-emacs@gnu.org; Thu, 11 Jul 2019 18:59:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 11 Jul 2019 22:59:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 36583 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: notabug wontfix Original-Received: via spool by 36583-submit@debbugs.gnu.org id=B36583.156288593126238 (code B ref 36583); Thu, 11 Jul 2019 22:59:01 +0000 Original-Received: (at 36583) by debbugs.gnu.org; 11 Jul 2019 22:58:51 +0000 Original-Received: from localhost ([127.0.0.1]:39016 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hli1b-0006p8-I8 for submit@debbugs.gnu.org; Thu, 11 Jul 2019 18:58:51 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:9255) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hli1Z-0006ot-Nu for 36583@debbugs.gnu.org; Thu, 11 Jul 2019 18:58:50 -0400 Original-Received: from pmg1.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id D96F71008A7; Thu, 11 Jul 2019 18:58:43 -0400 (EDT) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 8F11A1006CE; Thu, 11 Jul 2019 18:58:42 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1562885922; bh=iOZ4/p989boLagD6JNHgiFbMtBkDLZYQPTiTSU60628=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=apR+YTbYeQcHYrJw9YSKFQ3o7xYivwcAmlzFZfJ0I0MBxp0al+hLYEABBk7VurMv0 8iD2zSejBcOCywAPF+QMS3Xfka6tLmmZC15sDFg1inzjEc4V2jM5xUFE3D7/bo3ChX j9LtfANMo/QEZyM4hZy028JqtmHOgLD5kwxTb9qykI2tT9iukJFirwlPf4epLv+gEd X+NXZnWHkcTpEy5y+3yFAhDEq2Odl7Hal5JEObWaCOmZvoYnWgyOheYXNNhDU2i11d XgDxknNAjivE9W8Nj+RMV83SHMpZP8NUT2lr8X8U+lCm9elDheRoJ/qmX99KaA4PO2 bQ7dwtH9QahbA== Original-Received: from milanesa (104-222-123-229.cpe.teksavvy.com [104.222.123.229]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 0648A120C0A; Thu, 11 Jul 2019 18:58:41 -0400 (EDT) In-Reply-To: (Glenn Morris's message of "Wed, 10 Jul 2019 16:50:42 -0400") 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: 209.51.188.43 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:162743 Archived-At: > This is explicitly documented in the manual. > "How Emacs Finds Your Init File". FWIW, I find this behavior very surprising (and dangerous). Apparently you can circumvent it by setting LOGNAME to "root". I can't find the place in code which distinguishes this case from the case where the user doesn't `su` but instead sets his $HOME to some other place, such as: HOME=/home/monnier/tmp/home emacs BTW, thinking about "dangerous" above, I guess the behavior might make sense when you're `su`ing *from* root rather than the other way around. Stefan