mirror of
git://git.savannah.gnu.org/guix.git
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dc2b90109b
* gnu/services/xorg.scm (set-xorg-configuration)[login-manager-service-type]: Use target-x86-64? from (guix utils) to decide if the system is an x86_64 system instead of comparing the strings ourselves.
1061 lines
42 KiB
Scheme
1061 lines
42 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2017 Andy Wingo <wingo@igalia.com>
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;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2015 Sou Bunnbu <iyzsong@gmail.com>
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;;; Copyright © 2018, 2019 Timothy Sample <samplet@ngyro.com>
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;;; Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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;;; Copyright © 2019 Tim Gesthuizen <tim.gesthuizen@yahoo.de>
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;;; Copyright © 2020 shtwzrd <shtwzrd@protonmail.com>
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;;; Copyright © 2020 Jakub Kądziołka <kuba@kadziolka.net>
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;;; Copyright © 2020 Alex Griffin <a@ajgrf.com>
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;;; Copyright © 2021 Brice Waegeneire <brice@waegenei.re>
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;;; Copyright © 2021 Oleg Pykhalov <go.wigust@gmail.com>
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;;; Copyright © 2021 Josselin Poiret <josselin.poiret@protonmail.ch>
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;;; Copyright © 2022 Chris Marusich <cmmarusich@gmail.com>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu services xorg)
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#:autoload (gnu services sddm) (sddm-service-type)
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#:use-module (gnu artwork)
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#:use-module (gnu services)
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#:use-module (gnu services shepherd)
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#:use-module (gnu system pam)
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#:use-module (gnu system setuid)
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#:use-module (gnu system keyboard)
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#:use-module (gnu services base)
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#:use-module (gnu services dbus)
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#:use-module (gnu packages base)
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#:use-module (gnu packages guile)
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#:use-module (gnu packages xorg)
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#:use-module (gnu packages fonts)
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#:use-module (gnu packages gl)
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#:use-module (gnu packages glib)
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#:use-module (gnu packages display-managers)
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#:use-module (gnu packages freedesktop)
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#:use-module (gnu packages gnustep)
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#:use-module (gnu packages gnome)
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#:use-module (gnu packages admin)
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#:use-module (gnu packages bash)
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#:use-module (gnu system shadow)
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#:use-module (guix build-system glib-or-gtk)
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#:use-module (guix build-system trivial)
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#:use-module (guix gexp)
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#:use-module (guix store)
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#:use-module (guix packages)
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#:use-module (guix derivations)
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#:use-module (guix records)
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#:use-module (guix deprecation)
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#:use-module (guix utils)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-9)
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#:use-module (srfi srfi-26)
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#:use-module (ice-9 match)
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#:export (xorg-configuration
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xorg-configuration?
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xorg-configuration-modules
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xorg-configuration-fonts
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xorg-configuration-drivers
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xorg-configuration-resolutions
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xorg-configuration-extra-config
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xorg-configuration-server
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xorg-configuration-server-arguments
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%default-xorg-modules
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%default-xorg-fonts
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%default-xorg-server-arguments
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xorg-wrapper
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xorg-start-command
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xinitrc
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xorg-server-service-type
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%default-slim-theme
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%default-slim-theme-name
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slim-configuration
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slim-configuration?
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slim-configuration-slim
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slim-configuration-allow-empty-passwords?
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slim-configuration-auto-login?
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slim-configuration-default-user
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slim-configuration-theme
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slim-configuration-theme-name
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slim-configuration-xauth
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slim-configuration-shepherd
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slim-configuration-auto-login-session
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slim-configuration-xorg
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slim-configuration-display
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slim-configuration-vt
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slim-configuration-sessreg
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slim-service-type
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screen-locker
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screen-locker?
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screen-locker-service-type
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screen-locker-service
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localed-configuration
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localed-configuration?
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localed-service-type
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gdm-configuration
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gdm-service-type
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handle-xorg-configuration
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set-xorg-configuration))
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;;; Commentary:
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;;;
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;;; Services that relate to the X Window System.
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;;;
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;;; Code:
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(define %default-xorg-modules
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;; Default list of modules loaded by the server. When multiple drivers
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;; match, the first one in the list is loaded.
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(list xf86-video-vesa
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xf86-video-fbdev
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xf86-video-amdgpu
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xf86-video-ati
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xf86-video-cirrus
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xf86-video-intel
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xf86-video-mach64
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xf86-video-nouveau
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xf86-video-nv
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xf86-video-sis
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;; Libinput is the new thing and is recommended over evdev/synaptics:
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;; <http://who-t.blogspot.fr/2015/01/xf86-input-libinput-compatibility-with.html>.
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xf86-input-libinput
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xf86-input-evdev
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xf86-input-keyboard
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xf86-input-mouse
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xf86-input-synaptics))
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(define %default-xorg-fonts
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;; Default list of fonts available to the X server.
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(list (file-append font-alias "/share/fonts/X11/75dpi")
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(file-append font-alias "/share/fonts/X11/100dpi")
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(file-append font-alias "/share/fonts/X11/misc")
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(file-append font-alias "/share/fonts/X11/cyrillic")
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(file-append font-misc-misc ;default fonts for xterm
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"/share/fonts/X11/misc")
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(file-append font-adobe75dpi "/share/fonts/X11/75dpi")))
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(define %default-xorg-server-arguments
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;; Default command-line arguments for X.
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'("-nolisten" "tcp"))
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;; Configuration of an Xorg server.
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(define-record-type* <xorg-configuration>
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xorg-configuration make-xorg-configuration
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xorg-configuration?
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(modules xorg-configuration-modules ;list of file-like
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(thunked)
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; filter out modules not supported on current system
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(default (filter
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(lambda (p)
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(member (%current-system)
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(package-supported-systems p)))
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%default-xorg-modules)))
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(fonts xorg-configuration-fonts ;list of packges
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(default %default-xorg-fonts))
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(drivers xorg-configuration-drivers ;list of strings
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(default '()))
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(resolutions xorg-configuration-resolutions ;list of tuples
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(default '()))
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(keyboard-layout xorg-configuration-keyboard-layout ;#f | <keyboard-layout>
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(default #f))
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(extra-config xorg-configuration-extra-config ;list of strings
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(default '()))
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(server xorg-configuration-server ;file-like
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(default xorg-server))
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(server-arguments xorg-configuration-server-arguments ;list of strings
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(default %default-xorg-server-arguments)))
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(define (xorg-configuration->file config)
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"Compute an Xorg configuration file corresponding to CONFIG, an
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<xorg-configuration> record."
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(let ((xorg-server (xorg-configuration-server config)))
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(define all-modules
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;; 'xorg-server' provides 'fbdevhw.so' etc.
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(append (xorg-configuration-modules config)
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(list xorg-server)))
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(define build
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#~(begin
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(use-modules (ice-9 match)
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(srfi srfi-1)
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(srfi srfi-26))
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(call-with-output-file #$output
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(lambda (port)
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(define drivers
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'#$(xorg-configuration-drivers config))
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(define (device-section driver)
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(string-append "
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Section \"Device\"
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Identifier \"device-" driver "\"
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Driver \"" driver "\"
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EndSection"))
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(define (screen-section driver resolutions)
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(string-append "
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Section \"Screen\"
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Identifier \"screen-" driver "\"
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Device \"device-" driver "\"
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SubSection \"Display\"
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Modes "
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(string-join (map (match-lambda
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((x y)
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(string-append "\"" (number->string x)
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"x" (number->string y) "\"")))
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resolutions)) "
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EndSubSection
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EndSection"))
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(define (input-class-section layout variant model options)
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(string-append "
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Section \"InputClass\"
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Identifier \"evdev keyboard catchall\"
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MatchIsKeyboard \"on\"
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Option \"XkbLayout\" " (object->string layout)
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(if variant
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(string-append " Option \"XkbVariant\" \""
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variant "\"")
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"")
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(if model
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(string-append " Option \"XkbModel\" \""
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model "\"")
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"")
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(match options
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(()
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"")
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(_
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(string-append " Option \"XkbOptions\" \""
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(string-join options ",") "\""))) "
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MatchDevicePath \"/dev/input/event*\"
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Driver \"evdev\"
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EndSection\n"))
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(define (expand modules)
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;; Append to MODULES the relevant /lib/xorg/modules
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;; sub-directories.
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(append-map (lambda (module)
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(filter-map (lambda (directory)
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(let ((full (string-append module
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directory)))
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(and (file-exists? full)
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full)))
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'("/lib/xorg/modules/drivers"
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"/lib/xorg/modules/input"
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"/lib/xorg/modules/multimedia"
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"/lib/xorg/modules/extensions")))
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modules))
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(display "Section \"Files\"\n" port)
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(for-each (lambda (font)
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(format port " FontPath \"~a\"~%" font))
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'#$(xorg-configuration-fonts config))
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(for-each (lambda (module)
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(format port
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" ModulePath \"~a\"~%"
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module))
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(append (expand '#$all-modules)
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;; For fbdevhw.so and so on.
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(list #$(file-append xorg-server
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"/lib/xorg/modules"))))
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(display "EndSection\n" port)
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(display "
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Section \"ServerFlags\"
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Option \"AllowMouseOpenFail\" \"on\"
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EndSection\n" port)
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(display (string-join (map device-section drivers) "\n")
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port)
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(newline port)
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(display (string-join
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(map (cut screen-section <>
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'#$(xorg-configuration-resolutions config))
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drivers)
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"\n")
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port)
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(newline port)
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(let ((layout #$(and=> (xorg-configuration-keyboard-layout config)
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keyboard-layout-name))
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(variant #$(and=> (xorg-configuration-keyboard-layout config)
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keyboard-layout-variant))
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(model #$(and=> (xorg-configuration-keyboard-layout config)
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keyboard-layout-model))
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(options '#$(and=> (xorg-configuration-keyboard-layout config)
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keyboard-layout-options)))
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(when layout
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(display (input-class-section layout variant model options)
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port)
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(newline port)))
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(for-each (lambda (config)
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(display config port))
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'#$(xorg-configuration-extra-config config))))))
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(computed-file "xserver.conf" build)))
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(define (xorg-configuration-directory modules)
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"Return a directory that contains the @code{.conf} files for X.org that
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includes the @code{share/X11/xorg.conf.d} directories of each package listed
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in @var{modules}."
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(with-imported-modules '((guix build utils))
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(computed-file "xorg.conf.d"
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#~(begin
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(use-modules (guix build utils)
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(srfi srfi-1))
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(define files
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(append-map (lambda (module)
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(find-files (string-append
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module
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"/share/X11/xorg.conf.d")
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"\\.conf$"))
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(list #$@modules)))
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(mkdir #$output)
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(for-each (lambda (file)
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(symlink file
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(string-append #$output "/"
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(basename file))))
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files)
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#t))))
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(define* (xorg-wrapper #:optional (config (xorg-configuration)))
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"Return a derivation that builds a script to start the X server with the
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given @var{config}. The resulting script should be used in place of
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@code{/usr/bin/X}."
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(define exp
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;; Write a small wrapper around the X server.
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#~(begin
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(setenv "XORG_DRI_DRIVER_PATH" (string-append #$mesa "/lib/dri"))
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(setenv "XKB_BINDIR" (string-append #$xkbcomp "/bin"))
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(let ((X (string-append #$(xorg-configuration-server config) "/bin/X")))
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(apply execl X X
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"-xkbdir" (string-append #$xkeyboard-config "/share/X11/xkb")
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"-config" #$(xorg-configuration->file config)
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"-configdir" #$(xorg-configuration-directory
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(xorg-configuration-modules config))
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(cdr (command-line))))))
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(program-file "X-wrapper" exp))
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(define* (xorg-start-command #:optional (config (xorg-configuration)))
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"Return a @code{startx} script in which the modules, fonts, etc. specified
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in @var{config}, are available. The result should be used in place of
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@code{startx}."
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(define X
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(xorg-wrapper config))
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(define exp
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;; Write a small wrapper around the X server.
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#~(apply execl #$X #$X ;; Second #$X is for argv[0].
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"-logverbose" "-verbose" "-terminate"
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#$@(xorg-configuration-server-arguments config)
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(cdr (command-line))))
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(program-file "startx" exp))
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(define* (xinitrc #:key fallback-session)
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"Return a system-wide xinitrc script that starts the specified X session,
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which should be passed to this script as the first argument. If not, the
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@var{fallback-session} will be used or, if @var{fallback-session} is false, a
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desktop session from the system or user profile will be used."
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(define builder
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#~(begin
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(use-modules (ice-9 match)
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(ice-9 regex)
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(ice-9 ftw)
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(ice-9 rdelim)
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(srfi srfi-1)
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(srfi srfi-26))
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(define (close-all-fdes)
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;; Close all the open file descriptors except 0 to 2.
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(let loop ((fd 3))
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(when (< fd 4096) ;FIXME: use sysconf + _SC_OPEN_MAX
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(false-if-exception (close-fdes fd))
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(loop (+ 1 fd)))))
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(define (exec-from-login-shell command . args)
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;; Run COMMAND from a login shell so that it gets to see the same
|
||
;; environment variables that one gets when logging in on a tty, for
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;; instance.
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(let* ((pw (getpw (getuid)))
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(shell (passwd:shell pw)))
|
||
;; Close any open file descriptors. This is all the more
|
||
;; important that SLiM itself exec's us directly without closing
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;; its own file descriptors!
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||
(close-all-fdes)
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||
|
||
;; The '--login' option is supported at least by Bash and zsh.
|
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(execl shell shell "--login" "-c"
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(string-join (cons command args)))))
|
||
|
||
(define system-profile
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"/run/current-system/profile")
|
||
|
||
(define user-profile
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(and=> (getpw (getuid))
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(lambda (pw)
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||
(string-append (passwd:dir pw) "/.guix-profile"))))
|
||
|
||
(define (xsession-command desktop-file)
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;; Read from DESKTOP-FILE its X session command and return it as a
|
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;; list.
|
||
(define exec-regexp
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||
(make-regexp "^[[:blank:]]*Exec=(.*)$"))
|
||
|
||
(call-with-input-file desktop-file
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||
(lambda (port)
|
||
(let loop ()
|
||
(match (read-line port)
|
||
((? eof-object?) #f)
|
||
((= (cut regexp-exec exec-regexp <>) result)
|
||
(if result
|
||
(string-tokenize (match:substring result 1))
|
||
(loop))))))))
|
||
|
||
(define (find-session profile)
|
||
;; Return an X session command from PROFILE or #f if none was found.
|
||
(let ((directory (string-append profile "/share/xsessions")))
|
||
(match (scandir directory
|
||
(cut string-suffix? ".desktop" <>))
|
||
((or () #f)
|
||
#f)
|
||
((sessions ...)
|
||
(any xsession-command
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||
(map (cut string-append directory "/" <>)
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||
sessions))))))
|
||
|
||
(let* ((home (getenv "HOME"))
|
||
(xsession-file (string-append home "/.xsession"))
|
||
(session (match (command-line)
|
||
((_)
|
||
#$(if fallback-session
|
||
#~(list #$fallback-session)
|
||
#f))
|
||
((_ x ..1)
|
||
x))))
|
||
(if (file-exists? xsession-file)
|
||
;; Run ~/.xsession when it exists.
|
||
(apply exec-from-login-shell xsession-file
|
||
(or session '()))
|
||
;; Otherwise, start the specified session or a fallback.
|
||
(apply exec-from-login-shell
|
||
(or session
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||
(find-session user-profile)
|
||
(find-session system-profile)))))))
|
||
|
||
(program-file "xinitrc" builder))
|
||
|
||
(define-syntax handle-xorg-configuration
|
||
(syntax-rules ()
|
||
"Generate the `compose' and `extend' entries of a login manager
|
||
`service-type' to handle specifying the `xorg-configuration' through
|
||
a `service-extension', as used by `set-xorg-configuration'."
|
||
((_ configuration-record service-type-definition)
|
||
(service-type
|
||
(inherit service-type-definition)
|
||
(compose (lambda (extensions)
|
||
(match extensions
|
||
(() #f)
|
||
((config . _) config))))
|
||
(extend (lambda (config xorg-configuration)
|
||
(if xorg-configuration
|
||
(configuration-record
|
||
(inherit config)
|
||
(xorg-configuration xorg-configuration))
|
||
config)))))))
|
||
|
||
(define (xorg-server-profile-service config)
|
||
;; XXX: profile-service-type only accepts <package> objects.
|
||
(list
|
||
(package
|
||
(name "xorg-wrapper")
|
||
(version (package-version xorg-server))
|
||
(source (xorg-wrapper config))
|
||
(build-system trivial-build-system)
|
||
(arguments
|
||
'(#:modules ((guix build utils))
|
||
#:builder
|
||
(begin
|
||
(use-modules (guix build utils))
|
||
(let* ((source (assoc-ref %build-inputs "source"))
|
||
(out (assoc-ref %outputs "out"))
|
||
(bin (string-append out "/bin")))
|
||
(mkdir-p bin)
|
||
(symlink source (string-append bin "/X"))
|
||
(symlink source (string-append bin "/Xorg"))
|
||
#t))))
|
||
(home-page (package-home-page xorg-server))
|
||
(synopsis (package-synopsis xorg-server))
|
||
(description (package-description xorg-server))
|
||
(license (package-license xorg-server)))))
|
||
|
||
(define xorg-server-service-type
|
||
(service-type
|
||
(name 'xorg-server)
|
||
(extensions
|
||
(list (service-extension profile-service-type
|
||
xorg-server-profile-service)))
|
||
(default-value (xorg-configuration))
|
||
(description "Add @command{X} to the system profile, to be used with
|
||
@command{sx} or @command{xinit}.")))
|
||
|
||
|
||
;;;
|
||
;;; SLiM log-in manager.
|
||
;;;
|
||
|
||
(define %default-slim-theme
|
||
;; Theme based on work by Felipe López.
|
||
(file-append %artwork-repository "/slim"))
|
||
|
||
(define %default-slim-theme-name
|
||
;; This must be the name of the sub-directory in %DEFAULT-SLIM-THEME that
|
||
;; contains the actual theme files.
|
||
"1.x")
|
||
|
||
(define-record-type* <slim-configuration>
|
||
slim-configuration make-slim-configuration
|
||
slim-configuration?
|
||
(slim slim-configuration-slim
|
||
(default slim))
|
||
(allow-empty-passwords? slim-configuration-allow-empty-passwords?
|
||
(default #t))
|
||
(gnupg? slim-configuration-gnupg?
|
||
(default #f))
|
||
(auto-login? slim-configuration-auto-login?
|
||
(default #f))
|
||
(default-user slim-configuration-default-user
|
||
(default ""))
|
||
(theme slim-configuration-theme
|
||
(default %default-slim-theme))
|
||
(theme-name slim-configuration-theme-name
|
||
(default %default-slim-theme-name))
|
||
(xauth slim-configuration-xauth
|
||
(default xauth))
|
||
(shepherd slim-configuration-shepherd
|
||
(default shepherd))
|
||
(auto-login-session slim-configuration-auto-login-session
|
||
(default #f))
|
||
(xorg-configuration slim-configuration-xorg
|
||
(default (xorg-configuration)))
|
||
(display slim-configuration-display
|
||
(default ":0"))
|
||
(vt slim-configuration-vt
|
||
(default "vt7"))
|
||
(sessreg slim-configuration-sessreg
|
||
(default sessreg)))
|
||
|
||
(define (slim-pam-service config)
|
||
"Return a PAM service for @command{slim}."
|
||
(list (unix-pam-service
|
||
"slim"
|
||
#:login-uid? #t
|
||
#:allow-empty-passwords?
|
||
(slim-configuration-allow-empty-passwords? config)
|
||
#:gnupg?
|
||
(slim-configuration-gnupg? config))))
|
||
|
||
(define (slim-shepherd-service config)
|
||
(let* ((xinitrc (xinitrc #:fallback-session
|
||
(slim-configuration-auto-login-session config)))
|
||
(xauth (slim-configuration-xauth config))
|
||
(startx (xorg-start-command (slim-configuration-xorg config)))
|
||
(display (slim-configuration-display config))
|
||
(vt (slim-configuration-vt config))
|
||
(shepherd (slim-configuration-shepherd config))
|
||
(theme-name (slim-configuration-theme-name config))
|
||
(sessreg (slim-configuration-sessreg config))
|
||
(lockfile (string-append "/var/run/slim-" vt ".lock")))
|
||
(define slim.cfg
|
||
(mixed-text-file "slim.cfg" "
|
||
default_path /run/current-system/profile/bin
|
||
default_xserver " startx "
|
||
display_name " display "
|
||
xserver_arguments " vt "
|
||
xauth_path " xauth "/bin/xauth
|
||
authfile /var/run/slim-" vt ".auth
|
||
lockfile " lockfile "
|
||
logfile /var/log/slim-" vt ".log
|
||
|
||
# The login command. '%session' is replaced by the chosen session name, one
|
||
# of the names specified in the 'sessions' setting: 'wmaker', 'xfce', etc.
|
||
login_cmd exec " xinitrc " %session
|
||
sessiondir /run/current-system/profile/share/xsessions
|
||
session_msg session (F1 to change):
|
||
sessionstart_cmd " sessreg "/bin/sessreg -a -l $DISPLAY %user
|
||
sessionstop_cmd " sessreg "/bin/sessreg -d -l $DISPLAY %user
|
||
|
||
halt_cmd " shepherd "/sbin/halt
|
||
reboot_cmd " shepherd "/sbin/reboot\n"
|
||
(if (slim-configuration-auto-login? config)
|
||
(string-append "auto_login yes\ndefault_user "
|
||
(slim-configuration-default-user config) "\n")
|
||
"")
|
||
(if theme-name
|
||
(string-append "current_theme " theme-name "\n")
|
||
"")))
|
||
|
||
(define theme
|
||
(slim-configuration-theme config))
|
||
|
||
(list (shepherd-service
|
||
(documentation "Xorg display server")
|
||
(provision (append
|
||
;; For compatibility, also provide 'xorg-server'.
|
||
(if (string=? vt "vt7")
|
||
'(xorg-server)
|
||
'())
|
||
|
||
(list (symbol-append 'xorg-server-
|
||
(string->symbol vt)))))
|
||
(requirement '(user-processes host-name udev))
|
||
(start
|
||
#~(lambda ()
|
||
;; A stale lock file can prevent SLiM from starting, so remove it to
|
||
;; be on the safe side.
|
||
(false-if-exception (delete-file lockfile))
|
||
|
||
(fork+exec-command
|
||
(list (string-append #$(slim-configuration-slim config)
|
||
"/bin/slim")
|
||
"-nodaemon")
|
||
#:environment-variables
|
||
(list (string-append "SLIM_CFGFILE=" #$slim.cfg)
|
||
#$@(if theme
|
||
(list #~(string-append "SLIM_THEMESDIR=" #$theme))
|
||
#~())))))
|
||
(stop #~(make-kill-destructor))
|
||
(respawn? #t)))))
|
||
|
||
(define slim-service-type
|
||
(handle-xorg-configuration slim-configuration
|
||
(service-type (name 'slim)
|
||
(extensions
|
||
(list (service-extension shepherd-root-service-type
|
||
slim-shepherd-service)
|
||
(service-extension pam-root-service-type
|
||
slim-pam-service)
|
||
|
||
;; Unconditionally add xterm to the system profile, to
|
||
;; avoid bad surprises.
|
||
(service-extension profile-service-type
|
||
(const (list xterm)))))
|
||
|
||
(default-value (slim-configuration))
|
||
(description
|
||
"Run the SLiM graphical login manager for X11."))))
|
||
|
||
|
||
;;;
|
||
;;; Screen lockers & co.
|
||
;;;
|
||
|
||
(define-record-type <screen-locker>
|
||
(screen-locker name program empty?)
|
||
screen-locker?
|
||
(name screen-locker-name) ;string
|
||
(program screen-locker-program) ;gexp
|
||
(empty? screen-locker-allows-empty-passwords?)) ;Boolean
|
||
|
||
(define screen-locker-pam-services
|
||
(match-lambda
|
||
(($ <screen-locker> name _ empty?)
|
||
(list (unix-pam-service name
|
||
#:allow-empty-passwords? empty?)))))
|
||
|
||
(define screen-locker-setuid-programs
|
||
(compose list file-like->setuid-program screen-locker-program))
|
||
|
||
(define screen-locker-service-type
|
||
(service-type (name 'screen-locker)
|
||
(extensions
|
||
(list (service-extension pam-root-service-type
|
||
screen-locker-pam-services)
|
||
(service-extension setuid-program-service-type
|
||
screen-locker-setuid-programs)))
|
||
(description
|
||
"Allow the given program to be used as a screen locker for
|
||
the graphical server by making it setuid-root, so it can authenticate users,
|
||
and by creating a PAM service for it.")))
|
||
|
||
(define* (screen-locker-service package
|
||
#:optional
|
||
(program (package-name package))
|
||
#:key allow-empty-passwords?)
|
||
"Add @var{package}, a package for a screen locker or screen saver whose
|
||
command is @var{program}, to the set of setuid programs and add a PAM entry
|
||
for it. For example:
|
||
|
||
@lisp
|
||
(screen-locker-service xlockmore \"xlock\")
|
||
@end lisp
|
||
|
||
makes the good ol' XlockMore usable."
|
||
(service screen-locker-service-type
|
||
(screen-locker program
|
||
(file-append package "/bin/" program)
|
||
allow-empty-passwords?)))
|
||
|
||
|
||
;;;
|
||
;;; Locale service.
|
||
;;;
|
||
|
||
(define-record-type* <localed-configuration>
|
||
localed-configuration make-localed-configuration
|
||
localed-configuration?
|
||
(localed localed-configuration-localed
|
||
(default localed))
|
||
(keyboard-layout localed-configuration-keyboard-layout
|
||
(default #f)))
|
||
|
||
(define (localed-dbus-service config)
|
||
"Return the 'localed' D-Bus service for @var{config}, a
|
||
@code{<localed-configuration>} record."
|
||
(define keyboard-layout
|
||
(localed-configuration-keyboard-layout config))
|
||
|
||
;; The primary purpose of 'localed' is to tell GDM what the "current" Xorg
|
||
;; keyboard layout is. If 'localed' is missing, or if it's unable to
|
||
;; determine the current XKB layout, then GDM forcefully installs its
|
||
;; default XKB config (US English). Here we communicate the configured
|
||
;; layout through environment variables.
|
||
|
||
(if keyboard-layout
|
||
(let* ((layout (keyboard-layout-name keyboard-layout))
|
||
(variant (keyboard-layout-variant keyboard-layout))
|
||
(model (keyboard-layout-model keyboard-layout))
|
||
(options (keyboard-layout-options keyboard-layout)))
|
||
(list (wrapped-dbus-service
|
||
(localed-configuration-localed config)
|
||
"libexec/localed/localed"
|
||
`(("GUIX_XKB_LAYOUT" ,layout)
|
||
,@(if variant
|
||
`(("GUIX_XKB_VARIANT" ,variant))
|
||
'())
|
||
,@(if model
|
||
`(("GUIX_XKB_MODEL" ,model))
|
||
'())
|
||
,@(if (null? options)
|
||
'()
|
||
`(("GUIX_XKB_OPTIONS"
|
||
,(string-join options ","))))))))
|
||
'()))
|
||
|
||
(define localed-service-type
|
||
(let ((package (lambda (config)
|
||
;; Don't bother if the user didn't specify any keyboard
|
||
;; layout.
|
||
(if (localed-configuration-keyboard-layout config)
|
||
(list (localed-configuration-localed config))
|
||
'()))))
|
||
(service-type (name 'localed)
|
||
(extensions
|
||
(list (service-extension dbus-root-service-type
|
||
localed-dbus-service)
|
||
(service-extension udev-service-type package)
|
||
(service-extension polkit-service-type package)
|
||
|
||
;; Add 'localectl' to the profile.
|
||
(service-extension profile-service-type package)))
|
||
|
||
;; This service can be extended, typically by the X login
|
||
;; manager, to communicate the chosen Xorg keyboard layout.
|
||
(compose (lambda (extensions)
|
||
(find keyboard-layout? extensions)))
|
||
(extend (lambda (config keyboard-layout)
|
||
(localed-configuration
|
||
(inherit config)
|
||
(keyboard-layout keyboard-layout))))
|
||
(description
|
||
"Run the locale daemon, @command{localed}, which can be used
|
||
to control the system locale and keyboard mapping from user programs such as
|
||
the GNOME desktop environment.")
|
||
(default-value (localed-configuration)))))
|
||
|
||
|
||
;;;
|
||
;;; GNOME Desktop Manager.
|
||
;;;
|
||
|
||
(define %gdm-accounts
|
||
(list (user-group (name "gdm") (system? #t))
|
||
(user-account
|
||
(name "gdm")
|
||
(group "gdm")
|
||
(supplementary-groups '("video"))
|
||
(system? #t)
|
||
(comment "GNOME Display Manager user")
|
||
(home-directory "/var/lib/gdm")
|
||
(shell (file-append shadow "/sbin/nologin")))))
|
||
|
||
(define %gdm-activation
|
||
;; Ensure /var/lib/gdm is owned by the "gdm" user. This is normally the
|
||
;; case but could be wrong if the "gdm" user was created, then removed, and
|
||
;; then recreated under a different UID/GID: <https://bugs.gnu.org/37423>.
|
||
(with-imported-modules '((guix build utils))
|
||
#~(begin
|
||
(use-modules (guix build utils))
|
||
|
||
(let* ((gdm (getpwnam "gdm"))
|
||
(uid (passwd:uid gdm))
|
||
(gid (passwd:gid gdm))
|
||
(st (stat "/var/lib/gdm" #f)))
|
||
;; Recurse into /var/lib/gdm only if it has wrong ownership.
|
||
(when (and st
|
||
(or (not (= uid (stat:uid st)))
|
||
(not (= gid (stat:gid st)))))
|
||
(for-each (lambda (file)
|
||
(chown file uid gid))
|
||
(find-files "/var/lib/gdm"
|
||
#:directories? #t)))))))
|
||
|
||
(define dbus-daemon-wrapper
|
||
(program-file
|
||
"gdm-dbus-wrapper"
|
||
#~(begin
|
||
(use-modules (srfi srfi-26))
|
||
|
||
(define system-profile
|
||
"/run/current-system/profile")
|
||
|
||
(define user-profile
|
||
(and=> (getpw (getuid))
|
||
(lambda (pw)
|
||
(string-append (passwd:dir pw) "/.guix-profile"))))
|
||
|
||
;; If we are able to find the user's profile, we can add it to
|
||
;; the search paths set below. We need to do this so that D-Bus
|
||
;; can start services installed by the user. This allows
|
||
;; applications that require session D-Bus services (e.g,
|
||
;; 'evolution') to work even if those services are only available
|
||
;; in the user's profile. See <https://bugs.gnu.org/35267>.
|
||
(define profiles
|
||
(if user-profile
|
||
(list user-profile system-profile)
|
||
(list system-profile)))
|
||
|
||
(setenv "XDG_CONFIG_DIRS"
|
||
(string-join (map (cut string-append <> "/etc/xdg") profiles)
|
||
":"))
|
||
(setenv "XDG_DATA_DIRS"
|
||
(string-join (map (cut string-append <> "/share") profiles)
|
||
":"))
|
||
(apply execl (string-append #$dbus "/bin/dbus-daemon")
|
||
(program-arguments)))))
|
||
|
||
;; Wrapper script for Wayland sessions, similar to Xsession.
|
||
;;
|
||
;; See `xinitrc`. By default, it launches the specified session through a
|
||
;; login shell. With the default Guix configuration, this should source
|
||
;; /etc/profile, setting up the Guix profile environment variables. However,
|
||
;; gdm launches its own graphical session through the same method, so we need
|
||
;; to ignore this case, since `gdm` doesn't have a login shell.
|
||
(define gdm-wayland-session-wrapper
|
||
(program-file
|
||
"gdm-wayland-session-wrapper"
|
||
#~((let* ((user (getpw (getuid)))
|
||
(name (passwd:name user))
|
||
(shell (passwd:shell user))
|
||
(args (cdr (command-line))))
|
||
(if (string=? name "gdm")
|
||
(apply execl (cons (car args) args))
|
||
(execl shell shell "--login" "-c" (string-join args)))))))
|
||
|
||
(define-record-type* <gdm-configuration>
|
||
gdm-configuration make-gdm-configuration
|
||
gdm-configuration?
|
||
(gdm gdm-configuration-gdm (default gdm))
|
||
(allow-empty-passwords? gdm-configuration-allow-empty-passwords? (default #t))
|
||
(auto-login? gdm-configuration-auto-login? (default #f))
|
||
(dbus-daemon gdm-configuration-dbus-daemon (default dbus-daemon-wrapper))
|
||
(debug? gdm-configuration-debug? (default #f))
|
||
(default-user gdm-configuration-default-user (default #f))
|
||
(gnome-shell-assets gdm-configuration-gnome-shell-assets
|
||
(default (list adwaita-icon-theme font-abattis-cantarell)))
|
||
(xorg-configuration gdm-configuration-xorg
|
||
(default (xorg-configuration)))
|
||
(x-session gdm-configuration-x-session
|
||
(default (xinitrc)))
|
||
(wayland? gdm-configuration-wayland? (default #f))
|
||
(wayland-session gdm-configuration-wayland-session
|
||
(default gdm-wayland-session-wrapper)))
|
||
|
||
(define (gdm-configuration-file config)
|
||
(mixed-text-file "gdm-custom.conf"
|
||
"[daemon]\n"
|
||
"#User=gdm\n"
|
||
"#Group=gdm\n"
|
||
(if (gdm-configuration-auto-login? config)
|
||
(string-append
|
||
"AutomaticLoginEnable=true\n"
|
||
"AutomaticLogin="
|
||
(or (gdm-configuration-default-user config)
|
||
(error "missing default user for auto-login"))
|
||
"\n")
|
||
(string-append
|
||
"AutomaticLoginEnable=false\n"
|
||
"#AutomaticLogin=\n"))
|
||
"#TimedLoginEnable=false\n"
|
||
"#TimedLogin=\n"
|
||
"#TimedLoginDelay=0\n"
|
||
;; Disable initial system setup inside GDM.
|
||
;; Whatever settings are set there should already be
|
||
;; taken care of through `guix system'.
|
||
;; See also
|
||
;; <https://debbugs.gnu.org/cgi/bugreport.cgi?bug=39281>.
|
||
"InitialSetupEnable=false\n"
|
||
"WaylandEnable=" (if (gdm-configuration-wayland? config)
|
||
"true"
|
||
"false") "\n"
|
||
"\n"
|
||
"[debug]\n"
|
||
"Enable=" (if (gdm-configuration-debug? config)
|
||
"true"
|
||
"false") "\n"
|
||
"\n"
|
||
"[security]\n"
|
||
"#DisallowTCP=true\n"
|
||
"#AllowRemoteAutoLogin=false\n"))
|
||
|
||
(define (gdm-pam-service config)
|
||
"Return a PAM service for @command{gdm}."
|
||
(list
|
||
(pam-service
|
||
(inherit (unix-pam-service "gdm-autologin"
|
||
#:login-uid? #t))
|
||
(auth (list (pam-entry
|
||
(control "optional")
|
||
(module (file-append (gdm-configuration-gdm config)
|
||
"/lib/security/pam_gdm.so")))
|
||
(pam-entry
|
||
(control "sufficient")
|
||
(module "pam_permit.so")))))
|
||
(pam-service
|
||
(inherit (unix-pam-service "gdm-launch-environment"))
|
||
(auth (list (pam-entry
|
||
(control "required")
|
||
(module "pam_permit.so")))))
|
||
(unix-pam-service "gdm-password"
|
||
#:login-uid? #t
|
||
#:allow-empty-passwords?
|
||
(gdm-configuration-allow-empty-passwords? config))))
|
||
|
||
(define (gdm-shepherd-service config)
|
||
(list (shepherd-service
|
||
(documentation "Xorg display server (GDM)")
|
||
(provision '(xorg-server))
|
||
(requirement '(dbus-system user-processes host-name udev))
|
||
(start #~(lambda ()
|
||
(fork+exec-command
|
||
(list #$(file-append (gdm-configuration-gdm config)
|
||
"/bin/gdm"))
|
||
#:environment-variables
|
||
(list (string-append
|
||
"GDM_CUSTOM_CONF="
|
||
#$(gdm-configuration-file config))
|
||
(string-append
|
||
"GDM_DBUS_DAEMON="
|
||
#$(gdm-configuration-dbus-daemon config))
|
||
(string-append
|
||
"GDM_X_SERVER="
|
||
#$(xorg-wrapper
|
||
(gdm-configuration-xorg config)))
|
||
(string-append
|
||
"GDM_X_SESSION="
|
||
#$(gdm-configuration-x-session config))
|
||
(string-append
|
||
"XDG_DATA_DIRS="
|
||
((lambda (ls) (string-join ls ":"))
|
||
(map (lambda (path)
|
||
(string-append path "/share"))
|
||
;; XXX: Remove gnome-shell below when GDM
|
||
;; can depend on GNOME Shell directly.
|
||
(cons #$gnome-shell
|
||
'#$(gdm-configuration-gnome-shell-assets
|
||
config)))))
|
||
;; Add XCURSOR_PATH so that mutter can find its
|
||
;; cursors. gdm doesn't login so doesn't source
|
||
;; the corresponding line in /etc/profile.
|
||
"XCURSOR_PATH=/run/current-system/profile/share/icons"
|
||
(string-append
|
||
"GDK_PIXBUF_MODULE_FILE="
|
||
#$gnome-shell "/" #$%gdk-pixbuf-loaders-cache-file)
|
||
(string-append
|
||
"GDM_WAYLAND_SESSION="
|
||
#$(gdm-configuration-wayland-session config))))))
|
||
(stop #~(make-kill-destructor))
|
||
(respawn? #t))))
|
||
|
||
(define gdm-service-type
|
||
(handle-xorg-configuration gdm-configuration
|
||
(service-type (name 'gdm)
|
||
(extensions
|
||
(list (service-extension shepherd-root-service-type
|
||
gdm-shepherd-service)
|
||
(service-extension activation-service-type
|
||
(const %gdm-activation))
|
||
(service-extension account-service-type
|
||
(const %gdm-accounts))
|
||
(service-extension pam-root-service-type
|
||
gdm-pam-service)
|
||
(service-extension profile-service-type
|
||
gdm-configuration-gnome-shell-assets)
|
||
(service-extension dbus-root-service-type
|
||
(compose list
|
||
gdm-configuration-gdm))
|
||
(service-extension localed-service-type
|
||
(compose
|
||
xorg-configuration-keyboard-layout
|
||
gdm-configuration-xorg))))
|
||
(default-value (gdm-configuration))
|
||
(description
|
||
"Run the GNOME Desktop Manager (GDM), a program that allows
|
||
you to log in in a graphical session, whether or not you use GNOME."))))
|
||
|
||
;; Since GDM depends on Rust (gdm -> gnome-shell -> gjs -> mozjs -> rust)
|
||
;; and Rust is currently unavailable on non-x86_64 platforms, default to
|
||
;; SDDM there (FIXME).
|
||
(define* (set-xorg-configuration config
|
||
#:optional
|
||
(login-manager-service-type
|
||
(if (target-x86-64?)
|
||
gdm-service-type
|
||
sddm-service-type)))
|
||
"Tell the log-in manager (of type @var{login-manager-service-type}) to use
|
||
@var{config}, an <xorg-configuration> record."
|
||
(simple-service 'set-xorg-configuration
|
||
login-manager-service-type
|
||
config))
|
||
|
||
;;; xorg.scm ends here
|