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cac3914dfc
* gnu/services/base.scm (<greetd-configuration>)
[greeter-supplementary-groups]: New field.
(%greetd-accounts): Rename to...
(greetd-accounts): ... this. Convert to a function that takes a config
argument. Use greeter-supplementary-groups.
(greetd-service-type): Adjust accordingly.
* gnu/tests/desktop.scm (%minimal-services): Add test for
greeter-supplementary-groups.
* doc/guix.texi ("Base Services")[greetd-service-type]: Document
greeter-supplementary-groups.
329 lines
12 KiB
Scheme
329 lines
12 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2017, 2021 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2021 muradm <mail@muradm.net>
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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 tests desktop)
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#:use-module (gnu tests)
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#:use-module (gnu packages shells)
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#:use-module (gnu services)
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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 services desktop)
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#:use-module (gnu system)
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#:use-module (gnu system vm)
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#:use-module (guix gexp)
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#:use-module (srfi srfi-1)
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#:export (%test-elogind
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%test-minimal-desktop))
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;;;
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;;; Elogind.
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;;;
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(define (run-elogind-test vm)
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(define test
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(with-imported-modules '((gnu build marionette)
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(guix build syscalls))
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#~(begin
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(use-modules (gnu build marionette)
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(guix build syscalls)
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(srfi srfi-64))
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(define marionette
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(make-marionette '(#$vm)))
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(test-runner-current (system-test-runner #$output))
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(test-begin "elogind")
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;; Log in as root on tty1, and check what 'loginctl' returns.
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(test-equal "login on tty1"
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'(("c1" "0" "root" "seat0" "tty1") ;session
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("seat0") ;seat
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("0" "root")) ;user
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(begin
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;; Wait for tty1.
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(marionette-eval
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'(begin
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(use-modules (gnu services herd))
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(start-service 'term-tty1))
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marionette)
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(marionette-control "sendkey ctrl-alt-f1" marionette)
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;; Now we can type.
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(marionette-type "root\n" marionette)
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(marionette-type "loginctl list-users --no-legend > users\n"
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marionette)
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(marionette-type "loginctl list-seats --no-legend > seats\n"
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marionette)
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(marionette-type "loginctl list-sessions --no-legend > sessions\n"
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marionette)
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;; Read the three files.
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(marionette-eval '(use-modules (rnrs io ports)) marionette)
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(let ((guest-file (lambda (file)
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(string-tokenize
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(wait-for-file file marionette
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#:read 'get-string-all)))))
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(list (guest-file "/root/sessions")
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(guest-file "/root/seats")
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(guest-file "/root/users")))))
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(test-end))))
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(gexp->derivation "elogind" test))
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(define %test-elogind
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(system-test
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(name "elogind")
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(description
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"Test whether we can log in when elogind is enabled, and whether
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'loginctl' reports accurate user, session, and seat information.")
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(value
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(let ((os (marionette-operating-system
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(simple-operating-system
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(service elogind-service-type)
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(service polkit-service-type)
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(service dbus-root-service-type))
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#:imported-modules '((gnu services herd)
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(guix combinators)))))
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(run-elogind-test (virtual-machine os))))))
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;;;
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;;; Seatd/greetd based minimal desktop
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;;;
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(define %minimal-services
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(append
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(modify-services %base-services
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;; greetd-service-type provides "greetd" PAM service
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(delete login-service-type)
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;; and can be used in place of mingetty-service-type
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(delete mingetty-service-type))
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(list
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(service seatd-service-type)
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(service greetd-service-type
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(greetd-configuration
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(greeter-supplementary-groups '("input" "video"))
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(terminals
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(list
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;; we can make any terminal active by default
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(greetd-terminal-configuration (terminal-vt "1") (terminal-switch #t))
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;; we can make environment without XDG_RUNTIME_DIR set
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;; even provide our own environment variables
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(greetd-terminal-configuration
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(terminal-vt "2")
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(default-session-command
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(greetd-agreety-session
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(extra-env '(("MY_VAR" . "1")))
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(xdg-env? #f))))
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;; we can use different shell instead of default bash
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(greetd-terminal-configuration
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(terminal-vt "3")
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(default-session-command
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(greetd-agreety-session (command (file-append zsh "/bin/zsh")))))
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;; we can use any other executable command as greeter
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(greetd-terminal-configuration
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(terminal-vt "4")
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(default-session-command (program-file "my-noop-greeter" #~(exit))))
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(greetd-terminal-configuration (terminal-vt "5"))
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(greetd-terminal-configuration (terminal-vt "6"))))))
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;; mingetty-service-type can be used in parallel
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;; if needed to do so, do not (delete login-service-type)
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;; as illustrated above
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#| (service mingetty-service-type (mingetty-configuration (tty "tty8"))) |#)))
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(define-syntax-rule (minimal-operating-system user-services ...)
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"Return an operating system that includes USER-SERVICES in addition to
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minimal %BASE-SERVICES."
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(operating-system (inherit %simple-os)
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(services (cons* user-services ... %minimal-services))))
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(define (run-minimal-desktop-test os vm)
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(define test
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(with-imported-modules '((gnu build marionette)
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(guix build syscalls))
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#~(begin
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(use-modules (gnu build marionette)
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(guix build syscalls)
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(srfi srfi-1)
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(srfi srfi-64)
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(ice-9 pretty-print))
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(define marionette
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(make-marionette #$vm))
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(define (file-get-all-strings fname)
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(marionette-eval '(use-modules (rnrs io ports)) marionette)
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(wait-for-file fname marionette #:read 'get-string-all))
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(define (wait-for-unix-socket-m socket)
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(wait-for-unix-socket socket marionette))
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(mkdir #$output)
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(chdir #$output)
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(test-runner-current (system-test-runner #$output))
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(test-begin "minimal-desktop")
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(test-assert "seatd is ready"
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(wait-for-unix-socket-m "/run/seatd.sock"))
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(test-equal "login user on tty1"
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"alice\n"
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(begin
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;; Wait for tty1.
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(marionette-eval
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'(begin
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(use-modules (gnu services herd))
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(start-service 'term-tty1))
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marionette)
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(marionette-control "sendkey ctrl-alt-f1" marionette)
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;; login as root change alice password and exit
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;; then login as alice
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(for-each
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(lambda (cmd) (marionette-type cmd marionette) (sleep 1))
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(list
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"root\n"
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"passwd alice\n"
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"alice\n"
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"alice\n"
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"exit\n"
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"alice\n"
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"alice\n"
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"id -un > logged-in\n"))
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(file-get-all-strings "/home/alice/logged-in")))
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(test-equal "validate user environment"
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'("SEATD_SOCK=/run/seatd.sock"
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"XDG_RUNTIME_DIR=/run/user/1000"
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"XDG_SEAT=seat0"
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"XDG_VTNR=1")
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(begin
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(marionette-type "env > env\n" marionette)
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(sleep 1)
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(define user-env (string-tokenize
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(file-get-all-strings "/home/alice/env")))
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(define (expected-var var)
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(any (lambda (s) (string-contains var s))
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'("SEATD_SOCK"
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"XDG_RUNTIME_DIR"
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"XDG_SEAT"
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"XDG_VTNR")))
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(sort (filter expected-var user-env) string<?)))
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(test-assert "validate SEATD_SOCK and GREETD_SOCK"
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(begin
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(marionette-type "env > env\n" marionette)
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(sleep 1)
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(define (sock-var? var)
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(any (lambda (s) (string-contains var s))
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'("SEATD_SOCK" "GREETD_SOCK")))
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(define (sock-var-sock var)
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(car (cdr (string-split var #\=))))
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(let*
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((out (file-get-all-strings "/home/alice/env"))
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(out (string-tokenize out))
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(out (filter sock-var? out))
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(socks (map sock-var-sock out))
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(socks (map wait-for-unix-socket-m socks)))
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(and (= 2 (length socks)) (every identity socks)))))
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(test-equal "seatd.sock ownership"
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'("root" "seat")
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`(,(marionette-eval
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'(passwd:name (getpwuid (stat:uid (stat "/run/seatd.sock"))))
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marionette)
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,(marionette-eval
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'(group:name (getgrgid (stat:gid (stat "/run/seatd.sock"))))
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marionette)))
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(test-assert "greetd is ready"
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(begin
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(marionette-type "ps -C greetd -o pid,args --no-headers > ps-greetd\n"
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marionette)
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(sleep 1)
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(define (greetd-daemon? cmd)
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(string-contains cmd "config"))
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(define (greetd-cmd-to-pid cmd)
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(car (string-split cmd #\space)))
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(define (greetd-pid-to-sock pid)
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(string-append "/run/greetd-" pid ".sock"))
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(let* ((out (file-get-all-strings "/home/alice/ps-greetd"))
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(out (string-split out #\newline))
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(out (map string-trim-both out))
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(out (filter greetd-daemon? out))
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(pids (map greetd-cmd-to-pid out))
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(socks (map greetd-pid-to-sock pids))
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(socks (map wait-for-unix-socket-m socks)))
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(every identity socks))))
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;; a bit weak, but tests everything at once actually
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(test-equal "check /run/user/<uid> mounted and writable"
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"alice\n"
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(begin
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(marionette-type "echo alice > /run/user/1000/test\n" marionette)
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(file-get-all-strings "/run/user/1000/test")))
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(test-equal "check greeter user has correct groups"
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"greeter input video\n"
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(begin
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(marionette-type "id -Gn greeter > /run/user/1000/greeter-groups\n"
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marionette)
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(file-get-all-strings "/run/user/1000/greeter-groups")))
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(test-assert "screendump"
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(begin
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(marionette-control (string-append "screendump " #$output
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"/tty1.ppm")
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marionette)
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(file-exists? "tty1.ppm")))
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(test-end))))
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(gexp->derivation "minimal-desktop" test))
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(define %test-minimal-desktop
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(system-test
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(name "minimal-desktop")
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(description
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"Test whether we can log in when seatd and greetd is enabled")
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(value
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(let* ((os (marionette-operating-system
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(minimal-operating-system)
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#:imported-modules '((gnu services herd)
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(guix combinators))))
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(vm (virtual-machine os)))
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(run-minimal-desktop-test (virtualized-operating-system os '())
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#~(list #$vm))))))
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