792 lines
31 KiB
Scheme
792 lines
31 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
|
||
;;; Copyright © 2017 Andy Wingo <wingo@igalia.com>
|
||
;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2019 Ludovic Courtès <ludo@gnu.org>
|
||
;;; Copyright © 2015 Sou Bunnbu <iyzsong@gmail.com>
|
||
;;; Copyright © 2018, 2019 Timothy Sample <samplet@ngyro.com>
|
||
;;; Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
|
||
;;;
|
||
;;; This file is part of GNU Guix.
|
||
;;;
|
||
;;; GNU Guix is free software; you can redistribute it and/or modify it
|
||
;;; under the terms of the GNU General Public License as published by
|
||
;;; the Free Software Foundation; either version 3 of the License, or (at
|
||
;;; your option) any later version.
|
||
;;;
|
||
;;; GNU Guix is distributed in the hope that it will be useful, but
|
||
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
;;; GNU General Public License for more details.
|
||
;;;
|
||
;;; You should have received a copy of the GNU General Public License
|
||
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
|
||
|
||
(define-module (gnu services xorg)
|
||
#:use-module (gnu artwork)
|
||
#:use-module (gnu services)
|
||
#:use-module (gnu services shepherd)
|
||
#:use-module (gnu system pam)
|
||
#:use-module (gnu services dbus)
|
||
#:use-module ((gnu packages base) #:select (canonical-package))
|
||
#:use-module (gnu packages guile)
|
||
#:use-module (gnu packages xorg)
|
||
#:use-module (gnu packages fonts)
|
||
#:use-module (gnu packages gl)
|
||
#:use-module (gnu packages glib)
|
||
#:use-module (gnu packages display-managers)
|
||
#:use-module (gnu packages gnustep)
|
||
#:use-module (gnu packages gnome)
|
||
#:use-module (gnu packages admin)
|
||
#:use-module (gnu packages bash)
|
||
#:use-module (gnu system shadow)
|
||
#:use-module (guix gexp)
|
||
#:use-module (guix store)
|
||
#:use-module (guix packages)
|
||
#:use-module (guix derivations)
|
||
#:use-module (guix records)
|
||
#:use-module (guix deprecation)
|
||
#:use-module (srfi srfi-1)
|
||
#:use-module (srfi srfi-9)
|
||
#:use-module (srfi srfi-26)
|
||
#:use-module (ice-9 match)
|
||
#:export (xorg-configuration-file
|
||
%default-xorg-modules
|
||
%default-xorg-fonts
|
||
xorg-wrapper
|
||
xorg-start-command
|
||
xinitrc
|
||
|
||
%default-slim-theme
|
||
%default-slim-theme-name
|
||
|
||
slim-configuration
|
||
slim-configuration?
|
||
slim-configuration-slim
|
||
slim-configuration-allow-empty-passwords?
|
||
slim-configuration-auto-login?
|
||
slim-configuration-default-user
|
||
slim-configuration-theme
|
||
slim-configuration-theme-name
|
||
slim-configuration-xauth
|
||
slim-configuration-shepherd
|
||
slim-configuration-auto-login-session
|
||
slim-configuration-startx
|
||
|
||
slim-service-type
|
||
slim-service
|
||
|
||
screen-locker
|
||
screen-locker?
|
||
screen-locker-service-type
|
||
screen-locker-service
|
||
|
||
gdm-configuration
|
||
gdm-service-type
|
||
gdm-service))
|
||
|
||
;;; Commentary:
|
||
;;;
|
||
;;; Services that relate to the X Window System.
|
||
;;;
|
||
;;; Code:
|
||
|
||
(define %default-xorg-modules
|
||
;; Default list of modules loaded by the server. When multiple drivers
|
||
;; match, the first one in the list is loaded.
|
||
(list xf86-video-vesa
|
||
xf86-video-fbdev
|
||
xf86-video-amdgpu
|
||
xf86-video-ati
|
||
xf86-video-cirrus
|
||
xf86-video-intel
|
||
xf86-video-mach64
|
||
xf86-video-nouveau
|
||
xf86-video-nv
|
||
xf86-video-sis
|
||
|
||
;; Libinput is the new thing and is recommended over evdev/synaptics:
|
||
;; <http://who-t.blogspot.fr/2015/01/xf86-input-libinput-compatibility-with.html>.
|
||
xf86-input-libinput
|
||
|
||
xf86-input-evdev
|
||
xf86-input-keyboard
|
||
xf86-input-mouse
|
||
xf86-input-synaptics))
|
||
|
||
(define %default-xorg-fonts
|
||
;; Default list of fonts available to the X server.
|
||
(list (file-append font-alias "/share/fonts/X11/75dpi")
|
||
(file-append font-alias "/share/fonts/X11/100dpi")
|
||
(file-append font-alias "/share/fonts/X11/misc")
|
||
(file-append font-alias "/share/fonts/X11/cyrillic")
|
||
(file-append font-misc-misc ;default fonts for xterm
|
||
"/share/fonts/X11/misc")
|
||
(file-append font-adobe75dpi "/share/fonts/X11/75dpi")))
|
||
|
||
(define* (xorg-configuration-file #:key
|
||
(modules %default-xorg-modules)
|
||
(fonts %default-xorg-fonts)
|
||
(drivers '()) (resolutions '())
|
||
(extra-config '()))
|
||
"Return a configuration file for the Xorg server containing search paths for
|
||
all the common drivers.
|
||
|
||
@var{modules} must be a list of @dfn{module packages} loaded by the Xorg
|
||
server---e.g., @code{xf86-video-vesa}, @code{xf86-input-keyboard}, and so on.
|
||
@var{fonts} must be a list of font directories to add to the server's
|
||
@dfn{font path}.
|
||
|
||
@var{drivers} must be either the empty list, in which case Xorg chooses a
|
||
graphics driver automatically, or a list of driver names that will be tried in
|
||
this order---e.g., @code{(\"modesetting\" \"vesa\")}.
|
||
|
||
Likewise, when @var{resolutions} is the empty list, Xorg chooses an
|
||
appropriate screen resolution; otherwise, it must be a list of
|
||
resolutions---e.g., @code{((1024 768) (640 480))}.
|
||
|
||
Last, @var{extra-config} is a list of strings or objects appended to the
|
||
configuration file. It is used to pass extra text to be
|
||
added verbatim to the configuration file."
|
||
(define all-modules
|
||
;; 'xorg-server' provides 'fbdevhw.so' etc.
|
||
(append modules (list xorg-server)))
|
||
|
||
(define build
|
||
#~(begin
|
||
(use-modules (ice-9 match)
|
||
(srfi srfi-1)
|
||
(srfi srfi-26))
|
||
|
||
(call-with-output-file #$output
|
||
(lambda (port)
|
||
(define drivers
|
||
'#$drivers)
|
||
|
||
(define (device-section driver)
|
||
(string-append "
|
||
Section \"Device\"
|
||
Identifier \"device-" driver "\"
|
||
Driver \"" driver "\"
|
||
EndSection"))
|
||
|
||
(define (screen-section driver resolutions)
|
||
(string-append "
|
||
Section \"Screen\"
|
||
Identifier \"screen-" driver "\"
|
||
Device \"device-" driver "\"
|
||
SubSection \"Display\"
|
||
Modes "
|
||
(string-join (map (match-lambda
|
||
((x y)
|
||
(string-append "\"" (number->string x)
|
||
"x" (number->string y) "\"")))
|
||
resolutions)) "
|
||
EndSubSection
|
||
EndSection"))
|
||
|
||
(define (expand modules)
|
||
;; Append to MODULES the relevant /lib/xorg/modules
|
||
;; sub-directories.
|
||
(append-map (lambda (module)
|
||
(filter-map (lambda (directory)
|
||
(let ((full (string-append module
|
||
directory)))
|
||
(and (file-exists? full)
|
||
full)))
|
||
'("/lib/xorg/modules/drivers"
|
||
"/lib/xorg/modules/input"
|
||
"/lib/xorg/modules/multimedia"
|
||
"/lib/xorg/modules/extensions")))
|
||
modules))
|
||
|
||
(display "Section \"Files\"\n" port)
|
||
(for-each (lambda (font)
|
||
(format port " FontPath \"~a\"~%" font))
|
||
'#$fonts)
|
||
(for-each (lambda (module)
|
||
(format port
|
||
" ModulePath \"~a\"~%"
|
||
module))
|
||
(append (expand '#$all-modules)
|
||
|
||
;; For fbdevhw.so and so on.
|
||
(list #$(file-append xorg-server
|
||
"/lib/xorg/modules"))))
|
||
(display "EndSection\n" port)
|
||
(display "
|
||
Section \"ServerFlags\"
|
||
Option \"AllowMouseOpenFail\" \"on\"
|
||
EndSection\n" port)
|
||
|
||
(display (string-join (map device-section drivers) "\n")
|
||
port)
|
||
(newline port)
|
||
(display (string-join
|
||
(map (cut screen-section <> '#$resolutions)
|
||
drivers)
|
||
"\n")
|
||
port)
|
||
(newline port)
|
||
|
||
(for-each (lambda (config)
|
||
(display config port))
|
||
'#$extra-config)))))
|
||
|
||
(computed-file "xserver.conf" build))
|
||
|
||
|
||
(define (xorg-configuration-directory modules)
|
||
"Return a directory that contains the @code{.conf} files for X.org that
|
||
includes the @code{share/X11/xorg.conf.d} directories of each package listed
|
||
in @var{modules}."
|
||
(with-imported-modules '((guix build utils))
|
||
(computed-file "xorg.conf.d"
|
||
#~(begin
|
||
(use-modules (guix build utils)
|
||
(srfi srfi-1))
|
||
|
||
(define files
|
||
(append-map (lambda (module)
|
||
(find-files (string-append
|
||
module
|
||
"/share/X11/xorg.conf.d")
|
||
"\\.conf$"))
|
||
(list #$@modules)))
|
||
|
||
(mkdir #$output)
|
||
(for-each (lambda (file)
|
||
(symlink file
|
||
(string-append #$output "/"
|
||
(basename file))))
|
||
files)
|
||
#t))))
|
||
|
||
(define* (xorg-wrapper #:key
|
||
(guile (canonical-package guile-2.0))
|
||
(modules %default-xorg-modules)
|
||
(configuration-file (xorg-configuration-file
|
||
#:modules modules))
|
||
(xorg-server xorg-server))
|
||
"Return a derivation that builds a @var{guile} script to start the X server
|
||
from @var{xorg-server}. @var{configuration-file} is the server configuration
|
||
file or a derivation that builds it; when omitted, the result of
|
||
@code{xorg-configuration-file} is used. The resulting script should be used
|
||
in place of @code{/usr/bin/X}."
|
||
(define exp
|
||
;; Write a small wrapper around the X server.
|
||
#~(begin
|
||
(setenv "XORG_DRI_DRIVER_PATH" (string-append #$mesa "/lib/dri"))
|
||
(setenv "XKB_BINDIR" (string-append #$xkbcomp "/bin"))
|
||
|
||
(let ((X (string-append #$xorg-server "/bin/X")))
|
||
(apply execl X X
|
||
"-xkbdir" (string-append #$xkeyboard-config "/share/X11/xkb")
|
||
"-config" #$configuration-file
|
||
"-configdir" #$(xorg-configuration-directory modules)
|
||
(cdr (command-line))))))
|
||
|
||
(program-file "X-wrapper" exp))
|
||
|
||
(define* (xorg-start-command #:key
|
||
(guile (canonical-package guile-2.0))
|
||
(modules %default-xorg-modules)
|
||
(fonts %default-xorg-fonts)
|
||
(configuration-file
|
||
(xorg-configuration-file #:modules modules
|
||
#:fonts fonts))
|
||
(xorg-server xorg-server)
|
||
(xserver-arguments '("-nolisten" "tcp")))
|
||
"Return a @code{startx} script in which @var{modules}, a list of X module
|
||
packages, and @var{fonts}, a list of X font directories, are available. See
|
||
@code{xorg-wrapper} for more details on the arguments. The result should be
|
||
used in place of @code{startx}."
|
||
(define X
|
||
(xorg-wrapper #:guile guile
|
||
#:configuration-file configuration-file
|
||
#:modules modules
|
||
#:xorg-server xorg-server))
|
||
(define exp
|
||
;; Write a small wrapper around the X server.
|
||
#~(apply execl #$X #$X ;; Second #$X is for argv[0].
|
||
"-logverbose" "-verbose" "-terminate" #$@xserver-arguments
|
||
(cdr (command-line))))
|
||
|
||
(program-file "startx" exp))
|
||
|
||
(define* (xinitrc #:key
|
||
(guile (canonical-package guile-2.0))
|
||
fallback-session)
|
||
"Return a system-wide xinitrc script that starts the specified X session,
|
||
which should be passed to this script as the first argument. If not, the
|
||
@var{fallback-session} will be used or, if @var{fallback-session} is false, a
|
||
desktop session from the system or user profile will be used."
|
||
(define builder
|
||
#~(begin
|
||
(use-modules (ice-9 match)
|
||
(ice-9 regex)
|
||
(ice-9 ftw)
|
||
(ice-9 rdelim)
|
||
(srfi srfi-1)
|
||
(srfi srfi-26))
|
||
|
||
(define (close-all-fdes)
|
||
;; Close all the open file descriptors except 0 to 2.
|
||
(let loop ((fd 3))
|
||
(when (< fd 4096) ;FIXME: use sysconf + _SC_OPEN_MAX
|
||
(false-if-exception (close-fdes fd))
|
||
(loop (+ 1 fd)))))
|
||
|
||
(define (exec-from-login-shell command . args)
|
||
;; Run COMMAND from a login shell so that it gets to see the same
|
||
;; environment variables that one gets when logging in on a tty, for
|
||
;; instance.
|
||
(let* ((pw (getpw (getuid)))
|
||
(shell (passwd:shell pw)))
|
||
;; Close any open file descriptors. This is all the more
|
||
;; important that SLiM itself exec's us directly without closing
|
||
;; its own file descriptors!
|
||
(close-all-fdes)
|
||
|
||
;; The '--login' option is supported at least by Bash and zsh.
|
||
(execl shell shell "--login" "-c"
|
||
(string-join (cons command args)))))
|
||
|
||
(define system-profile
|
||
"/run/current-system/profile")
|
||
|
||
(define user-profile
|
||
(and=> (getpw (getuid))
|
||
(lambda (pw)
|
||
(string-append (passwd:dir pw) "/.guix-profile"))))
|
||
|
||
(define (xsession-command desktop-file)
|
||
;; Read from DESKTOP-FILE its X session command and return it as a
|
||
;; list.
|
||
(define exec-regexp
|
||
(make-regexp "^[[:blank:]]*Exec=(.*)$"))
|
||
|
||
(call-with-input-file desktop-file
|
||
(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
|
||
(map (cut string-append directory "/" <>)
|
||
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
|
||
(find-session user-profile)
|
||
(find-session system-profile)))))))
|
||
|
||
(program-file "xinitrc" builder))
|
||
|
||
|
||
;;;
|
||
;;; 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.
|
||
"0.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))
|
||
(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))
|
||
(startx slim-configuration-startx
|
||
(default (xorg-start-command)))
|
||
(sessreg slim-configuration-sessreg
|
||
(default sessreg)))
|
||
|
||
(define (slim-pam-service config)
|
||
"Return a PAM service for @command{slim}."
|
||
(list (unix-pam-service
|
||
"slim"
|
||
#:allow-empty-passwords?
|
||
(slim-configuration-allow-empty-passwords? config))))
|
||
|
||
(define (slim-shepherd-service config)
|
||
(define slim.cfg
|
||
(let ((xinitrc (xinitrc #:fallback-session
|
||
(slim-configuration-auto-login-session config)))
|
||
(slim (slim-configuration-slim config))
|
||
(xauth (slim-configuration-xauth config))
|
||
(startx (slim-configuration-startx config))
|
||
(shepherd (slim-configuration-shepherd config))
|
||
(theme-name (slim-configuration-theme-name config))
|
||
(sessreg (slim-configuration-sessreg config)))
|
||
(mixed-text-file "slim.cfg" "
|
||
default_path /run/current-system/profile/bin
|
||
default_xserver " startx "
|
||
xserver_arguments :0 vt7
|
||
xauth_path " xauth "/bin/xauth
|
||
authfile /var/run/slim.auth
|
||
|
||
# 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 $DISPLAY %user
|
||
|
||
halt_cmd " shepherd "/sbin/halt
|
||
reboot_cmd " shepherd "/sbin/reboot\n"
|
||
(if (slim-configuration-auto-login? config)
|
||
(string-append "auto_login yes\ndefault_user "
|
||
(slim-configuration-default-user config) "\n")
|
||
"")
|
||
(if theme-name
|
||
(string-append "current_theme " theme-name "\n")
|
||
""))))
|
||
|
||
(define theme
|
||
(slim-configuration-theme config))
|
||
|
||
(list (shepherd-service
|
||
(documentation "Xorg display server")
|
||
(provision '(xorg-server))
|
||
(requirement '(user-processes host-name udev))
|
||
(start
|
||
#~(lambda ()
|
||
;; A stale lock file can prevent SLiM from starting, so remove it to
|
||
;; be on the safe side.
|
||
(false-if-exception (delete-file "/var/run/slim.lock"))
|
||
|
||
(fork+exec-command
|
||
(list (string-append #$slim "/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
|
||
(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))))
|
||
|
||
(define-deprecated (slim-service #:key (slim slim)
|
||
(allow-empty-passwords? #t) auto-login?
|
||
(default-user "")
|
||
(theme %default-slim-theme)
|
||
(theme-name %default-slim-theme-name)
|
||
(xauth xauth) (shepherd shepherd)
|
||
(auto-login-session #f)
|
||
(startx (xorg-start-command)))
|
||
slim-service-type
|
||
"Return a service that spawns the SLiM graphical login manager, which in
|
||
turn starts the X display server with @var{startx}, a command as returned by
|
||
@code{xorg-start-command}.
|
||
|
||
@cindex X session
|
||
|
||
SLiM automatically looks for session types described by the @file{.desktop}
|
||
files in @file{/run/current-system/profile/share/xsessions} and allows users
|
||
to choose a session from the log-in screen using @kbd{F1}. Packages such as
|
||
@var{xfce}, @var{sawfish}, and @var{ratpoison} provide @file{.desktop} files;
|
||
adding them to the system-wide set of packages automatically makes them
|
||
available at the log-in screen.
|
||
|
||
In addition, @file{~/.xsession} files are honored. When available,
|
||
@file{~/.xsession} must be an executable that starts a window manager
|
||
and/or other X clients.
|
||
|
||
When @var{allow-empty-passwords?} is true, allow logins with an empty
|
||
password. When @var{auto-login?} is true, log in automatically as
|
||
@var{default-user} with @var{auto-login-session}.
|
||
|
||
If @var{theme} is @code{#f}, the use the default log-in theme; otherwise
|
||
@var{theme} must be a gexp denoting the name of a directory containing the
|
||
theme to use. In that case, @var{theme-name} specifies the name of the
|
||
theme."
|
||
(service slim-service-type
|
||
(slim-configuration
|
||
(slim slim)
|
||
(allow-empty-passwords? allow-empty-passwords?)
|
||
(auto-login? auto-login?) (default-user default-user)
|
||
(theme theme) (theme-name theme-name)
|
||
(xauth xauth) (shepherd shepherd)
|
||
(auto-login-session auto-login-session)
|
||
(startx startx))))
|
||
|
||
|
||
;;;
|
||
;;; 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 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)))))
|
||
|
||
(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?)))
|
||
|
||
(define %gdm-accounts
|
||
(list (user-group (name "gdm") (system? #t))
|
||
(user-account
|
||
(name "gdm")
|
||
(group "gdm")
|
||
(system? #t)
|
||
(comment "GNOME Display Manager user")
|
||
(home-directory "/var/lib/gdm")
|
||
(shell (file-append shadow "/sbin/nologin")))))
|
||
|
||
(define dbus-daemon-wrapper
|
||
(program-file "gdm-dbus-wrapper"
|
||
#~(begin
|
||
(setenv "XDG_CONFIG_DIRS"
|
||
"/run/current-system/profile/etc/xdg")
|
||
(setenv "XDG_DATA_DIRS"
|
||
"/run/current-system/profile/share")
|
||
(apply execl (string-append #$dbus "/bin/dbus-daemon")
|
||
(program-arguments)))))
|
||
|
||
(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))
|
||
(default-user gdm-configuration-default-user (default #f))
|
||
(gnome-shell-assets gdm-configuration-gnome-shell-assets
|
||
(default (list adwaita-icon-theme font-cantarell)))
|
||
(x-server gdm-configuration-x-server
|
||
(default (xorg-wrapper)))
|
||
(x-session gdm-configuration-x-session
|
||
(default (xinitrc))))
|
||
|
||
(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"
|
||
"#InitialSetupEnable=true\n"
|
||
;; Enable me once X is working.
|
||
"WaylandEnable=false\n"
|
||
"\n"
|
||
"[debug]\n"
|
||
"#Enable=true\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"))
|
||
(auth (list (pam-entry
|
||
(control "[success=ok default=1]")
|
||
(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"
|
||
#: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="
|
||
#$(gdm-configuration-x-server config))
|
||
(string-append
|
||
"GDM_X_SESSION="
|
||
#$(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)))))))))
|
||
(stop #~(make-kill-destructor))
|
||
(respawn? #t))))
|
||
|
||
(define gdm-service-type
|
||
(service-type (name 'gdm)
|
||
(extensions
|
||
(list (service-extension shepherd-root-service-type
|
||
gdm-shepherd-service)
|
||
(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))))
|
||
(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.")))
|
||
|
||
;; This service isn't working yet; it gets as far as starting to run the
|
||
;; greeter from gnome-shell but doesn't get any further. It is here because
|
||
;; it doesn't hurt anyone and perhaps it inspires someone to fix it :)
|
||
(define-deprecated (gdm-service #:key (gdm gdm)
|
||
(allow-empty-passwords? #t)
|
||
(x-server (xorg-wrapper)))
|
||
gdm-service-type
|
||
"Return a service that spawns the GDM graphical login manager, which in turn
|
||
starts the X display server with @var{X}, a command as returned by
|
||
@code{xorg-wrapper}.
|
||
|
||
@cindex X session
|
||
|
||
GDM automatically looks for session types described by the @file{.desktop}
|
||
files in @file{/run/current-system/profile/share/xsessions} and allows users
|
||
to choose a session from the log-in screen using @kbd{F1}. Packages such as
|
||
@var{xfce}, @var{sawfish}, and @var{ratpoison} provide @file{.desktop} files;
|
||
adding them to the system-wide set of packages automatically makes them
|
||
available at the log-in screen.
|
||
|
||
In addition, @file{~/.xsession} files are honored. When available,
|
||
@file{~/.xsession} must be an executable that starts a window manager
|
||
and/or other X clients.
|
||
|
||
When @var{allow-empty-passwords?} is true, allow logins with an empty
|
||
password."
|
||
(service gdm-service-type
|
||
(gdm-configuration
|
||
(gdm gdm)
|
||
(allow-empty-passwords? allow-empty-passwords?)
|
||
(x-server x-server))))
|
||
|
||
;;; xorg.scm ends here
|