From patchwork Thu Mar 23 15:02:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Bruno Victal X-Patchwork-Id: 48621 Return-Path: X-Original-To: patchwork@mira.cbaines.net Delivered-To: patchwork@mira.cbaines.net Received: by mira.cbaines.net (Postfix, from userid 113) id C45F116FC9; Thu, 23 Mar 2023 15:05:49 +0000 (GMT) X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on mira.cbaines.net X-Spam-Level: X-Spam-Status: No, score=-2.0 required=5.0 tests=MAILING_LIST_MULTI, RCVD_IN_MSPIKE_H2,SPF_HELO_PASS autolearn=ham autolearn_force=no version=3.4.6 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mira.cbaines.net (Postfix) with ESMTPS id C42A0169D4 for ; Thu, 23 Mar 2023 15:05:48 +0000 (GMT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pfMVA-0003gl-AT; Thu, 23 Mar 2023 11:05:16 -0400 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 1pfMUy-0003d7-Qm for guix-patches@gnu.org; Thu, 23 Mar 2023 11:05:04 -0400 Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pfMUy-00021B-Ec for guix-patches@gnu.org; Thu, 23 Mar 2023 11:05:04 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1pfMUy-0001iU-73 for guix-patches@gnu.org; Thu, 23 Mar 2023 11:05:04 -0400 X-Loop: help-debbugs@gnu.org Subject: [bug#62298] [PATCH v2 8/8] services: mympd: Use user-account (resp. user-group) for user (resp. group) fields. Resent-From: Bruno Victal Original-Sender: "Debbugs-submit" Resent-CC: guix-patches@gnu.org Resent-Date: Thu, 23 Mar 2023 15:05:04 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 62298 X-GNU-PR-Package: guix-patches X-GNU-PR-Keywords: patch To: 62298@debbugs.gnu.org Cc: ludo@gnu.org, Bruno Victal , liliana.prikler@gmail.com, maxim.cournoyer@gmail.com Received: via spool by 62298-submit@debbugs.gnu.org id=B62298.16795838636502 (code B ref 62298); Thu, 23 Mar 2023 15:05:04 +0000 Received: (at 62298) by debbugs.gnu.org; 23 Mar 2023 15:04:23 +0000 Received: from localhost ([127.0.0.1]:39112 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pfMUJ-0001gh-0w for submit@debbugs.gnu.org; Thu, 23 Mar 2023 11:04:23 -0400 Received: from smtpmciv2.myservices.hosting ([185.26.107.238]:49042) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pfMUG-0001gP-GF for 62298@debbugs.gnu.org; Thu, 23 Mar 2023 11:04:21 -0400 Received: from mail1.netim.hosting (unknown [185.26.106.173]) by smtpmciv2.myservices.hosting (Postfix) with ESMTP id 1F76A20DA2; Thu, 23 Mar 2023 16:04:09 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by mail1.netim.hosting (Postfix) with ESMTP id B7BF3800B4; Thu, 23 Mar 2023 16:04:09 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at mail1.netim.hosting Received: from mail1.netim.hosting ([127.0.0.1]) by localhost (mail1-2.netim.hosting [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id AAr9Q5touB7I; Thu, 23 Mar 2023 16:04:09 +0100 (CET) Received: from guix-nuc.home.arpa (bl9-119-177.dsl.telepac.pt [85.242.119.177]) (Authenticated sender: lumen@makinata.eu) by mail1.netim.hosting (Postfix) with ESMTPSA id 00D83800AC; Thu, 23 Mar 2023 16:04:08 +0100 (CET) From: Bruno Victal Date: Thu, 23 Mar 2023 15:02:18 +0000 Message-Id: <364a2fe961ddce2c4668c0c8b78f46bffe2c2096.1679583701.git.mirai@makinata.eu> X-Mailer: git-send-email 2.39.1 In-Reply-To: References: MIME-Version: 1.0 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: guix-patches@gnu.org List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-patches-bounces+patchwork=mira.cbaines.net@gnu.org Sender: guix-patches-bounces+patchwork=mira.cbaines.net@gnu.org X-getmail-retrieved-from-mailbox: Patches * gnu/services/audio.scm (%mympd-user, %mympd-group): New variable. (mympd-user-sanitizer, mympd-group-sanitizer): New procedure. (mympd-configuration)[user, group]: Set value type to user-account (resp. user-group). (mympd-serialize-configuration): Adapt for user-account values in user field. (mympd-accounts): Adapt for user-account (resp. user-group) in user (resp. group) field. --- doc/guix.texi | 4 +-- gnu/services/audio.scm | 74 ++++++++++++++++++++++++++++++++++-------- 2 files changed, 63 insertions(+), 15 deletions(-) diff --git a/doc/guix.texi b/doc/guix.texi index 520a65b0b1..ee1e66b3ff 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -33732,10 +33732,10 @@ Audio Services This is a list of symbols naming Shepherd services that this service will depend on. -@item @code{user} (default: @code{"mympd"}) (type: string) +@item @code{user} (type: maybe-user-account) Owner of the @command{mympd} process. -@item @code{group} (default: @code{"nogroup"}) (type: string) +@item @code{group} (type: maybe-user-group) Owner group of the @command{mympd} process. @item @code{work-directory} (default: @code{"/var/lib/mympd"}) (type: string) diff --git a/gnu/services/audio.scm b/gnu/services/audio.scm index c168d1481c..f7f430039e 100644 --- a/gnu/services/audio.scm +++ b/gnu/services/audio.scm @@ -659,6 +659,54 @@ (define-configuration/no-serialization mympd-ip-acl (define-maybe/no-serialization integer) (define-maybe/no-serialization mympd-ip-acl) +;; XXX: These will shadow the previous definition used by mpd +;; and cause warnings to be shown. Maybe split the file +;; into audio/mpd.scm and audio/mympd.scm ? +#;(define-maybe/no-serialization user-account) +#;(define-maybe/no-serialization user-group) + +(define %mympd-user + (user-account + (name "mympd") + (group "mympd") + (system? #t) + (comment "myMPD user") + (home-directory "/var/empty") + (shell (file-append shadow "/sbin/nologin")))) + +(define %mympd-group + (user-group + (name "mympd") + (system? #t))) + +;;; TODO: procedures for unsupported value types, to be removed. +(define (mympd-user-sanitizer value) + (cond ((user-account? value) value) + ((string? value) + (warning (G_ "string value for 'user' is not supported, use \ +user-account instead~%")) + (user-account + (inherit %mympd-user) + (name value) + ;; XXX: this is to be lazily substituted in (…-accounts) + ;; with the value from 'group'. + (group %lazy-group))) + (else + (configuration-field-error #f 'user value)))) + +(define (mympd-group-sanitizer value) + (cond ((user-group? value) value) + ((string? value) + (warning (G_ "string value for 'group' is not supported, use \ +user-group instead~%")) + (user-group + (inherit %mympd-group) + (name value))) + (else + (configuration-field-error #f 'group value)))) +;;; + + ;; XXX: The serialization procedures are insufficient since we require ;; access to multiple fields at once. ;; Fields marked with empty-serializer are never serialized and are @@ -676,13 +724,15 @@ (define-configuration/no-serialization mympd-configuration empty-serializer) (user - (string "mympd") + (maybe-user-account %mympd-user) "Owner of the @command{mympd} process." + (sanitizer mympd-user-sanitizer) empty-serializer) (group - (string "nogroup") + (maybe-user-group %mympd-group) "Owner group of the @command{mympd} process." + (sanitizer mympd-group-sanitizer) empty-serializer) (work-directory @@ -817,7 +867,8 @@ (define (mympd-shepherd-service config) (match-record config (package shepherd-requirement user work-directory cache-directory log-level log-to) - (let ((log-level* (format #f "MYMPD_LOGLEVEL=~a" log-level))) + (let ((log-level* (format #f "MYMPD_LOGLEVEL=~a" log-level)) + (username (user-account-name user))) (shepherd-service (documentation "Run the myMPD daemon.") (requirement `(loopback user-processes @@ -825,7 +876,7 @@ (define (mympd-shepherd-service config) ,@shepherd-requirement)) (provision '(mympd)) (start #~(begin - (let* ((pw (getpwnam #$user)) + (let* ((pw (getpwnam #$username)) (uid (passwd:uid pw)) (gid (passwd:gid pw))) (for-each (lambda (dir) @@ -835,7 +886,7 @@ (define (mympd-shepherd-service config) (make-forkexec-constructor `(#$(file-append package "/bin/mympd") - "--user" #$user + "--user" #$username #$@(if (eqv? log-to 'syslog) '("--syslog") '()) "--workdir" #$work-directory "--cachedir" #$cache-directory) @@ -845,14 +896,11 @@ (define (mympd-shepherd-service config) (define (mympd-accounts config) (match-record config (user group) - (list (user-group (name group) - (system? #t)) - (user-account (name user) - (group group) - (system? #t) - (comment "myMPD user") - (home-directory "/var/empty") - (shell (file-append shadow "/sbin/nologin")))))) + ;; TODO: deprecation code, to be removed + (let ((user (if (eq? (user-account-group user) %lazy-group) + (inject-group-into-user user group) + user))) + (list user group)))) (define (mympd-log-rotation config) (match-record config (log-to)