d1815a68ea
* gnu/services/desktop.scm (seatd-group-sanitizer): New variable.
(<seatd-configuration>)[user]: Removed field.
[group]: Changed to "seat". Sanitize via seatd-group-sanitizer.
(seatd-accounts): New variable.
(seatd-environment): Adjust to <seatd-configuration> ABI.
(seatd-service-type)[extensions]: Add account-service-type with seatd-accounts.
* gnu/tests/desktop.scm (run-minimal-desktop-test): Check for correct
ownership of $SEATD_SOCK.
* doc/guix.texi ("Desktop Services")[seatd-service-type]: Mention that users
may need to become members of the "seat" group.
Update default value for group field.
Add explanation on seatd.sock file.
Remove dropped user field.
322 lines
12 KiB
Scheme
322 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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(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-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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