From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Tomas Hlavaty Newsgroups: gmane.emacs.devel Subject: Re: flag to use tor Date: Sun, 22 Nov 2020 17:01:59 +0100 Message-ID: <877dqd5qiw.fsf@logand.com> References: <86ima4887k.fsf@163.com> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="29934"; mail-complaints-to="usenet@ciao.gmane.io" To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sun Nov 22 17:04:03 2020 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kgrqM-0007fj-U1 for ged-emacs-devel@m.gmane-mx.org; Sun, 22 Nov 2020 17:04:02 +0100 Original-Received: from localhost ([::1]:51760 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kgrqM-0003XR-0S for ged-emacs-devel@m.gmane-mx.org; Sun, 22 Nov 2020 11:04:02 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:59318) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kgrpC-0002oz-Oi for emacs-devel@gnu.org; Sun, 22 Nov 2020 11:02:50 -0500 Original-Received: from logand.com ([37.48.87.44]:49122) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kgrpB-0004AL-6Q for emacs-devel@gnu.org; Sun, 22 Nov 2020 11:02:50 -0500 Original-Received: by logand.com (Postfix, from userid 1001) id 79F841A9FC7; Sun, 22 Nov 2020 17:02:38 +0100 (CET) X-Mailer: emacs 26.3 (via feedmail 11-beta-1 I) In-Reply-To: <86ima4887k.fsf@163.com> Received-SPF: pass client-ip=37.48.87.44; envelope-from=tom@logand.com; helo=logand.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:259619 Archived-At: On Tue 17 Nov 2020 at 20:43, Zhu Zihao wrote: > #!/bin/sh > export LD_PRELOAD=/path/to/libtorsocks.so > exec -a "$0" emacs "$@" > [...] > Emacs, and its subprocess would inherit this environment variable and > allow torsocks to intercept network connection and force them in Tor. what if something (e.g. a script) sets the LD_PRELOAD variable to something different? would it defeat torsocks? do i need to inspect all such subprocesses and ensure that they use the right LD_PRELOAD value?