From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp0 ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms0.migadu.com with LMTPS id 6IPYEAAJU2HpwwAAgWs5BA (envelope-from ) for ; Tue, 28 Sep 2021 14:22:24 +0200 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp0 with LMTPS id QK+aDAAJU2HFXwAA1q6Kng (envelope-from ) for ; Tue, 28 Sep 2021 12:22:24 +0000 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id DD1573175F for ; Tue, 28 Sep 2021 14:22:23 +0200 (CEST) Received: from localhost ([::1]:36634 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mVC7r-0002ia-2v for larch@yhetil.org; Tue, 28 Sep 2021 08:22:23 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:58606) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mVC75-0002Sm-Vx for guix-devel@gnu.org; Tue, 28 Sep 2021 08:21:36 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:41612) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mVC75-0005nV-7n; Tue, 28 Sep 2021 08:21:35 -0400 Received: from [2001:660:6102:320:e120:2c8f:8909:cdfe] (port=60484 helo=ribbon) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mVC74-0000x7-V7; Tue, 28 Sep 2021 08:21:35 -0400 From: =?utf-8?Q?Ludovic_Court=C3=A8s?= To: Xinglu Chen Subject: Re: Code sharing between system and home services (was Re: On the naming of System and Home services modules.) References: <87tuiajdv1.fsf@yoctocell.xyz> <87a6k2ng48.fsf@dismail.de> X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: 7 =?utf-8?Q?Vend=C3=A9miaire?= an 230 de la =?utf-8?Q?R=C3=A9volution?= X-PGP-Key-ID: 0x090B11993D9AEBB5 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 3CE4 6455 8A84 FDC6 9DB4 0CFB 090B 1199 3D9A EBB5 X-OS: x86_64-pc-linux-gnu Date: Tue, 28 Sep 2021 14:21:33 +0200 In-Reply-To: <87a6k2ng48.fsf@dismail.de> (Joshua Branson's message of "Fri, 24 Sep 2021 11:32:55 -0400") Message-ID: <875yukdh6a.fsf@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: guix-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: guix-devel@gnu.org, Maxim Cournoyer , Andrew Tropin Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: "Guix-devel" X-Migadu-Flow: FLOW_IN ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1632831743; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post; bh=ejE+yJPe9yuxiLSktbx4NbRXsN7lMjduE11FfN5gCoM=; b=HV/yjfdgwL/otRJc41mZx8V1m1TxmFGZLEqyuIzdVRtqQI0sGPu98atjX4xwLB/UHM4IEb D+3nqalU8CdqCBNEhkG+ImwGCam9uhwy8iFeN7DWoG4Vucg+mLJ/6n/1NYyl9AbQfXRRY8 YasstJYbp713HmpJu4Tdoiq/qT0hWDx96d12L5jlM07IaVbZkQt5mW+/8sYxPfSmppDxLy kIZML06sy7jNEBz4gX+JmugtZFyD7Aags0nIWHQRukhRxMVapMXYgpOgx9b8rsG8OcJkJQ APbCWg14O5bd8LRUrtajZ8mpeMw++gdp6AjkAa3Ifm9s4hoVZGIljrYBbza5ZA== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1632831743; a=rsa-sha256; cv=none; b=VOvCYiPKEOJQIgqmJpAxt4de7ueFvzLsA6ChcG+CvvoQg+1iiZcCs0+0vNHip2d7QTMufu jgPmcvMN1ANCjRbP/RkAVjW/eEmMtE5BSWnlfh6ZBFvPQNsxDljqCpiIRGwsIhqknDo+mn psce+mEI+o2v4ACJwFQaFxDohfSsvy7OZ8vZ33NbB3mkFrc9wSGo7QVxEyQXyT43+pKW8B qX6vOqgcni/0YCV5x81WHZXMrUcLZq9dat/i9ZRdgWgGOPDUCsnBf1je7scYhXR9Mj39X/ QaKYdlEkKSLvNmB2farxLkmryCp6rWFqushSEI/u3X4n1+xmSO8u3YB9ZbwgHg== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=none; dmarc=pass (policy=none) header.from=gnu.org; spf=pass (aspmx1.migadu.com: domain of guix-devel-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=guix-devel-bounces@gnu.org X-Migadu-Spam-Score: -2.00 Authentication-Results: aspmx1.migadu.com; dkim=none; dmarc=pass (policy=none) header.from=gnu.org; spf=pass (aspmx1.migadu.com: domain of guix-devel-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=guix-devel-bounces@gnu.org X-Migadu-Queue-Id: DD1573175F X-Spam-Score: -2.00 X-Migadu-Scanner: scn1.migadu.com X-TUID: +vlVc1QegXnX Hi, Joshua Branson skribis: > Apologies if I'm speaking for something I know very little > about...Wouldn't it be nice if guix home services would accept a user > and a group field? For the syncthing service, perhaps the user wants to > limit Syncthing's runtime permissions. So instead of running as the > user, the user would run synthing as a different user with less permissio= ns? That=E2=80=99s not possible unless the calling user is root, since you=E2= =80=99d need the ability to switch users somehow. > Please note it may be much better to just container-ize the synthing > service. Does guix home have that ability? > > https://guix.gnu.org/en/blog/2017/running-system-services-in-containers/ It can gain that availability without doing anything actually: service implementations =E2=80=9Cjust=E2=80=9D need to use =E2=80=98make-forkexec-c= onstructor/container=E2=80=99 instead of =E2=80=98make-forkexec-constructor=E2=80=99. However, that would only work on systems where unprivileged user namespaces are enabled, so we=E2=80=99d need a way to turn it off. Ludo=E2=80=99.