From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Peter Oliver Newsgroups: gmane.emacs.bugs Subject: bug#66667: [PATCH] Socket forwarding in emacsclient --tramp-prefix example Date: Mon, 8 Apr 2024 12:26:59 +0100 (BST) Message-ID: <9b2075e7-d341-8639-23ab-ae6ae5365e68@mavit.org.uk> References: <20231021150127.66683-1-git@mavit.org.uk> <65347577.5d0a0220.ab2d6.0249SMTPIN_ADDED_BROKEN@mx.google.com> <1e698ccf-0f47-5b43-7258-158367d5d92d@mavit.org.uk> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="-1463811583-619204045-1712575620=:4525" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="15985"; mail-complaints-to="usenet@ciao.gmane.io" To: 66667@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Apr 08 15:40:24 2024 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1rtpER-0003oM-LR for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 08 Apr 2024 15:40:19 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rtpE9-0000VQ-5x; Mon, 08 Apr 2024 09:40:01 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rtpE6-0000VH-Lk for bug-gnu-emacs@gnu.org; Mon, 08 Apr 2024 09:40:00 -0400 Original-Received: from debbugs.gnu.org ([2001:470:142:5::43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1rtpE5-0004gy-PQ for bug-gnu-emacs@gnu.org; Mon, 08 Apr 2024 09:39:58 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1rtpED-0004SP-3c for bug-gnu-emacs@gnu.org; Mon, 08 Apr 2024 09:40:05 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Peter Oliver Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 08 Apr 2024 13:40:04 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 66667 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: patch Original-Received: via spool by 66667-submit@debbugs.gnu.org id=B66667.171258358517053 (code B ref 66667); Mon, 08 Apr 2024 13:40:04 +0000 Original-Received: (at 66667) by debbugs.gnu.org; 8 Apr 2024 13:39:45 +0000 Original-Received: from localhost ([127.0.0.1]:45603 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rtpDt-0004Qy-0T for submit@debbugs.gnu.org; Mon, 08 Apr 2024 09:39:45 -0400 Original-Received: from mail-wr1-x434.google.com ([2a00:1450:4864:20::434]:45542) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rtpDo-0004Py-QM for 66667@debbugs.gnu.org; Mon, 08 Apr 2024 09:39:44 -0400 Original-Received: by mail-wr1-x434.google.com with SMTP id ffacd0b85a97d-3454fbdd88aso1865671f8f.3 for <66667@debbugs.gnu.org>; Mon, 08 Apr 2024 06:39:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mavit.org.uk; s=google; t=1712583566; x=1713188366; darn=debbugs.gnu.org; h=resent-message-id:resent-subject:resent-to:resent-from:resent-date :mime-version:references:message-id:in-reply-to:subject:to:from:date :from:to:cc:subject:date:message-id:reply-to; bh=z5xAUJJSwmTEkrS8/PUl5qA3g6InBFG2PHg2AC+btxI=; b=BAayYYl9TzaVg7PjbrAlZTCTSErlvyNg3usJn5ndwhz+5fu+h+tas4HuiyW9+TWZ/9 KFHujD9txz0pkg+OgD6Ka3lRVs2/nKq9icAobDDgwm085JHLaXSFcOFdhf1b62ngQ7G9 ZELNFOVnkSzhe46BXDw8YzirY47iNJ9jhaPd8= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1712583566; x=1713188366; h=resent-message-id:resent-subject:resent-to:resent-from:resent-date :mime-version:references:message-id:in-reply-to:subject:to:from:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=z5xAUJJSwmTEkrS8/PUl5qA3g6InBFG2PHg2AC+btxI=; b=sp4JgNoXLXyesbAtpnK/fzK/1YBpBqXm0q585sL7DDDv2UGGFn/y1+P0Y2eoxlxoq1 DEdFPO3dXghJ6kb+ST0nrYjOYpdPvpzQ9Bn0pjgakBRczD1wHaAOXSGln1fM8F59O0bw 6g3kxOCQVA6r2rx+lZW30MkAJI7AiaZxQfju1K0A3m5PtgMTAOkta2iqiyrio3lTguEr ZFkUNr87Y1qYoQ/F96cH66d8YBcLZ+lr8X3S34SmdsSNA1Cmy2oCMw5nq/oR27rgzMPF Gg65qDHvfphiRHscxgRMXDLSw2sxsUh8zljrAIyuJ/alnVL0gcNBIPci8N56aZyDChWv FnSA== X-Gm-Message-State: AOJu0YxqYrIQAhSKguzvwfCOG/iXgEEdXe1vw0S0LqD/tADFU07OKPou dDLbLjF3SeLisc5Tr+uly6nCGh8nLV4QNibD7V3AMCv+VD5Zw+U/PGaOFMmolzuG6T7j4oZxwpY = X-Google-Smtp-Source: AGHT+IHCQg2ms7TT3VS/gTHld1unxdiBlftVORwi5pSe8HUO5xLaLY+a43tb5qQrnmECvWTT9uLQlQ== X-Received: by 2002:adf:f74e:0:b0:343:9189:e698 with SMTP id z14-20020adff74e000000b003439189e698mr5966904wrp.43.1712583565747; Mon, 08 Apr 2024 06:39:25 -0700 (PDT) Original-Received: from froglet.home.mavit.org.uk (dudl-14-b2-v4wan-165814-cust1925.vm31.cable.virginm.net. [82.34.135.134]) by smtp.gmail.com with ESMTPSA id h12-20020adfa4cc000000b00343668bc492sm9140918wrb.71.2024.04.08.06.39.25 for <66667@debbugs.gnu.org> (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Apr 2024 06:39:25 -0700 (PDT) Original-Received: from froglet.home.mavit.org.uk (localhost [127.0.0.1]) by froglet.home.mavit.org.uk (8.17.1/8.17.1) with ESMTPS id 438DdO9J020840 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT) for <66667@debbugs.gnu.org>; Mon, 8 Apr 2024 14:39:24 +0100 Original-Received: from localhost (mavit@localhost) by froglet.home.mavit.org.uk (8.17.1/8.17.1/Submit) with ESMTP id 438DG9kM020170 for <66667@debbugs.gnu.org>; Mon, 8 Apr 2024 14:16:10 +0100 In-Reply-To: <1e698ccf-0f47-5b43-7258-158367d5d92d@mavit.org.uk> ReSent-Date: Mon, 8 Apr 2024 14:16:05 +0100 (BST) ReSent-From: Peter Oliver ReSent-To: 66667@debbugs.gnu.org ReSent-Subject: Re: bug#66667: [PATCH] Socket forwarding in emacsclient --tramp-prefix example ReSent-Message-ID: X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:282939 Archived-At: ---1463811583-619204045-1712575620=:4525 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8BIT On Sun, 22 Oct 2023, Peter Oliver wrote: > On Sun, 22 Oct 2023, Björn Bidar wrote: > >>> @ example >>> -local$ ssh -R12345:localhost:12345 remote >>> -remote$ export EDITOR="emacsclient \ >>> - --server-file=server \ >>> - --tramp=/ssh:remote:" >>> +local$ ssh -R >>> "/tmp/emacs-%r.socket":"$@{XDG_RUNTIME_DIR:-$@{TMPDIR:-/tmp@}/emacs%i@}$@{XDG_RUNTIME_DIR:+/emacs@}/server" >>> remote >>> +remote$ export EMACS_SOCKET_NAME=/tmp/emacs-$USER.socket >> >> If the host has run /run/user it would make sense to setup the Emacs >> socket inside this directory. >> On older systems this might be /var/run/user I think. > > It would, sure, but you can’t in general tell from the local side whether the > remote side has /run, nor what your UID is there. You’d need an extra round > trip, for which you need ssh’s ControlPersist option to make performant. > This is too complicated for a simple example. > >> If the socket fie is in /tmp every other user can read it, using /run/user >> is >> more secure. > > No, the socket will have permissions 0700, so other users won’t be able to > read it. The risk is that other users will be able to cause a nuisance by > creating a file of the same name in its place. Perhaps it’s better to > suggest putting the socket in the user’s home directory (which I originally > discounted in case of shared NFS home directories)? Here is an update patch that does that. I’m not sure why this bug was closed already. -- Peter Oliver ---1463811583-619204045-1712575620=:4525 Content-Type: text/plain; charset=UTF-8; name=0001-Socket-forwarding-in-emacsclient-tramp-prefix-exampl.patch Content-Transfer-Encoding: BASE64 Content-ID: <83a04265-8bad-4ceb-2023-05d654e8d3ef@froglet.home.mavit.org.uk> Content-Description: Content-Disposition: attachment; filename=0001-Socket-forwarding-in-emacsclient-tramp-prefix-exampl.patch RnJvbSA3YTliZTZhZTgxZTdhYzM2ZDAyYTlhMzkzMzBjOGUyYTYwOWQ0MGNh IE1vbiBTZXAgMTcgMDA6MDA6MDAgMjAwMQ0KRnJvbTogUGV0ZXIgT2xpdmVy IDxnaXRAbWF2aXQub3JnLnVrPg0KRGF0ZTogU2F0LCAyMSBPY3QgMjAyMyAx NTo1NTowMyArMDEwMA0KU3ViamVjdDogW1BBVENIXSBTb2NrZXQgZm9yd2Fy ZGluZyBpbiBlbWFjc2NsaWVudCAtLXRyYW1wLXByZWZpeCBleGFtcGxlDQpN SU1FLVZlcnNpb246IDEuMA0KQ29udGVudC1UeXBlOiB0ZXh0L3BsYWluOyBj aGFyc2V0PVVURi04DQpDb250ZW50LVRyYW5zZmVyLUVuY29kaW5nOiA4Yml0 DQoNClByZXZpb3VzbHksIHRoZSBlbWFjc2NsaWVudCAtLXRyYW1wLXByZWZp eCBkb2N1bWVudGF0aW9uIHN1Z2dlc3RlZA0KdXNpbmcgaXQgaW4gY29uanVu 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