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318 lines
12 KiB
Scheme
318 lines
12 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2016 David Craven <david@craven.ch>
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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 sddm)
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#:use-module (gnu packages admin)
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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 xorg)
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#:use-module (gnu services)
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#:use-module (gnu services shepherd)
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#:use-module (gnu services xorg)
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#:use-module (gnu system pam)
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#:use-module (gnu system shadow)
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#:use-module (guix gexp)
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#:use-module (guix records)
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#:export (sddm-configuration
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sddm-configuration?
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sddm-service-type
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sddm-service))
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(define-record-type* <sddm-configuration>
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sddm-configuration make-sddm-configuration
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sddm-configuration?
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(sddm sddm-configuration-sddm
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(default sddm))
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;; [General]
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;; valid values are x11 and wayland
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;; currently doesn't do anything is enabled by wayland greeter PR
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(display-server sddm-configuration-display-server
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(default "x11"))
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;; valid values are on, off or none
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(numlock sddm-configuration-numlock
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(default "on"))
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(halt-command sddm-configuration-halt-command
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(default (file-append shepherd "/sbin/halt")))
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(reboot-command sddm-configuration-reboot-command
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(default (file-append shepherd "/sbin/reboot")))
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;; [Theme]
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;; valid values are elarun or maldives
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(theme sddm-configuration-theme
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(default "maldives"))
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(themes-directory sddm-configuration-themes-directory
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(default "/run/current-system/profile/share/sddm/themes"))
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(faces-directory sddm-configuration-faces-directory
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(default "/run/current-system/profile/share/sddm/faces"))
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;; [Users]
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(default-path sddm-configuration-default-path
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(default "/run/current-system/profile/bin"))
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(minimum-uid sddm-configuration-minimum-uid
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(default 1000))
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(maximum-uid sddm-configuration-maximum-uid
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(default 2000))
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(remember-last-user? sddm-configuration-remember-last-user?
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(default #t))
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(remember-last-session? sddm-configuration-remember-last-session?
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(default #t))
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(hide-users sddm-configuration-hide-users
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(default ""))
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(hide-shells sddm-configuration-hide-shells
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(default (file-append shadow "/sbin/nologin")))
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;; [Wayland]
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(session-command sddm-configuration-session-command
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(default (file-append sddm "/share/sddm/scripts/wayland-session")))
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(sessions-directory sddm-configuration-sessions-directory
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(default "/run/current-system/profile/share/wayland-sessions"))
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;; [X11]
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(xorg-server-path sddm-configuration-xorg-server-path
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(default (xorg-start-command)))
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(xauth-path sddm-configuration-xauth-path
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(default (file-append xauth "/bin/xauth")))
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(xephyr-path sddm-configuration-xephyr-path
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(default (file-append xorg-server "/bin/Xephyr")))
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(xdisplay-start sddm-configuration-xdisplay-start
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(default (file-append sddm "/share/sddm/scripts/Xsetup")))
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(xdisplay-stop sddm-configuration-xdisplay-stop
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(default (file-append sddm "/share/sddm/scripts/Xstop")))
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(xsession-command sddm-configuration-xsession-command
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(default (xinitrc)))
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(xsessions-directory sddm-configuration-xsessions-directory
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(default "/run/current-system/profile/share/xsessions"))
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(minimum-vt sddm-configuration-minimum-vt
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(default 7))
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(xserver-arguments sddm-configuration-xserver-arguments
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(default "-nolisten tcp"))
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;; [Autologin]
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(auto-login-user sddm-configuration-auto-login-user
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(default ""))
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;; valid values are xfce.desktop gnome.desktop weston.desktop hawaii.desktop
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(auto-login-session sddm-configuration-auto-login-session
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(default ""))
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(relogin? sddm-configuration-relogin?
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(default #f)))
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(define (sddm-configuration-file config)
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(mixed-text-file "sddm.conf" "
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[General]
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DisplayServer=" (sddm-configuration-display-server config) "
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Numlock=" (sddm-configuration-numlock config) "
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HaltCommand=" (sddm-configuration-halt-command config) "
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RebootCommand=" (sddm-configuration-reboot-command config) "
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[Users]
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DefaultPath=" (sddm-configuration-default-path config) "
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MinimumUid=" (number->string (sddm-configuration-minimum-uid config))"
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MaximumUid=" (number->string (sddm-configuration-maximum-uid config))"
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RememberLastUser=" (if (sddm-configuration-remember-last-user? config)
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"true" "false") "
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RememberLastSession=" (if (sddm-configuration-remember-last-session? config)
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"true" "false") "
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HideUsers=" (sddm-configuration-hide-users config) "
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Hideshells=" (sddm-configuration-hide-shells config) "
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[Theme]
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Current=" (sddm-configuration-theme config) "
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ThemeDir=" (sddm-configuration-themes-directory config) "
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FacesDir=" (sddm-configuration-faces-directory config) "
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[Wayland]
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SessionCommand=" (sddm-configuration-session-command config) "
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SessionDir=" (sddm-configuration-sessions-directory config) "
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[X11]
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ServerPath=" (sddm-configuration-xorg-server-path config) "
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XauthPath=" (sddm-configuration-xauth-path config) "
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XephyrPath=" (sddm-configuration-xephyr-path config) "
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DisplayCommand=" (sddm-configuration-xdisplay-start config) "
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DisplayStopCommand=" (sddm-configuration-xdisplay-stop config) "
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SessionCommand=" (sddm-configuration-xsession-command config) "
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SessionDir=" (sddm-configuration-xsessions-directory config) "
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MinimumVT=" (number->string (sddm-configuration-minimum-vt config)) "
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ServerArguments=" (sddm-configuration-xserver-arguments config) "
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[Autologin]
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User=" (sddm-configuration-auto-login-user config) "
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Session=" (sddm-configuration-auto-login-session config) "
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Relogin=" (if (sddm-configuration-relogin? config)
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"true" "false") "
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"))
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(define (sddm-shepherd-service config)
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"Return a <shepherd-service> for sddm with CONFIG."
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(define sddm-command
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#~(list (string-append #$(sddm-configuration-sddm config) "/bin/sddm")))
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(list (shepherd-service
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(documentation "SDDM display manager.")
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(requirement '(user-processes))
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(provision '(display-manager))
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(start #~(make-forkexec-constructor #$sddm-command))
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(stop #~(make-kill-destructor)))))
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(define (sddm-etc-service config)
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(list `("sddm.conf" ,(sddm-configuration-file config))))
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(define (sddm-pam-service)
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"Return a PAM service for @command{sddm}."
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(pam-service
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(name "sddm")
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(auth
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(list
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(pam-entry
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(control "requisite")
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(module "pam_nologin.so"))
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(pam-entry
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(control "required")
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(module "pam_env.so"))
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(pam-entry
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(control "required")
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(module "pam_succeed_if.so")
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(arguments (list "uid >= 1000" "quiet")))
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;; should be factored out into system-auth
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(pam-entry
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(control "required")
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(module "pam_unix.so"))))
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(account
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(list
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;; should be factored out into system-account
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(pam-entry
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(control "required")
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(module "pam_unix.so"))))
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(password
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(list
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;; should be factored out into system-password
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(pam-entry
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(control "required")
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(module "pam_unix.so")
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(arguments (list "sha512" "shadow" "try_first_pass")))))
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(session
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(list
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;; lfs has a required pam_limits.so
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;; should be factored out into system-session
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(pam-entry
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(control "required")
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(module "pam_unix.so"))))))
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(define (sddm-greeter-pam-service)
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"Return a PAM service for @command{sddm-greeter}."
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(pam-service
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(name "sddm-greeter")
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(auth
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(list
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;; Load environment form /etc/environment and ~/.pam_environment
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(pam-entry
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(control "required")
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(module "pam_env.so"))
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;; Always let the greeter start without authentication
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(pam-entry
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(control "required")
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(module "pam_permit.so"))))
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(account
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(list
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;; No action required for account management
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(pam-entry
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(control "required")
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(module "pam_permit.so"))))
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(password
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(list
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;; Can't change password
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(pam-entry
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(control "required")
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(module "pam_deny.so"))))
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(session
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(list
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;; Setup session
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(pam-entry
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(control "required")
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(module "pam_unix.so"))))))
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(define (sddm-autologin-pam-service)
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"Return a PAM service for @command{sddm-autologin}"
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(pam-service
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(name "sddm-autologin")
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(auth
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(list
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(pam-entry
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(control "requisite")
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(module "pam_nologin.so"))
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(pam-entry
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(control "required")
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(module "pam_succeed_if.so")
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(arguments (list "uid >= 1000" "quiet")))
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(pam-entry
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(control "required")
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(module "pam_permit.so"))))
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(account
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(list
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(pam-entry
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(control "include")
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(module "sddm"))))
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(password
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(list
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(pam-entry
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(control "required")
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(module "pam_deny.so"))))
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(session
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(list
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(pam-entry
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(control "include")
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(module "sddm"))))))
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(define (sddm-pam-services config)
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(list (sddm-pam-service)
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(sddm-greeter-pam-service)
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(sddm-autologin-pam-service)))
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(define %sddm-accounts
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(list (user-group (name "sddm") (system? #t))
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(user-account
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(name "sddm")
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(group "sddm")
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(system? #t)
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(comment "SDDM user")
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(home-directory "/var/lib/sddm")
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(shell (file-append shadow "/sbin/nologin")))))
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;; Add default themes to profile
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(define sddm-profile-service
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(compose list sddm-configuration-sddm))
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(define sddm-service-type
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(service-type (name 'sddm)
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(extensions
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(list (service-extension shepherd-root-service-type
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sddm-shepherd-service)
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(service-extension etc-service-type
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sddm-etc-service)
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(service-extension pam-root-service-type
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sddm-pam-services)
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(service-extension account-service-type
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(const %sddm-accounts))
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(service-extension profile-service-type
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sddm-profile-service)))))
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(define* (sddm-service #:optional (config (sddm-configuration)))
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"Run the @uref{https://github.com/sddm/sddm,SSDM display manager}
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with the given @var{config}, a @code{<sddm-configuration>} object."
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(service sddm-service-type config))
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