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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2023 Bruno Victal <mirai@makinata.eu>
;;; Copyright © 2023 Felix Lechner <felix.lechner@lease-up.com>
;;;
;;; 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 tests pam)
#:use-module (gnu tests)
#:use-module (gnu services)
#:use-module (gnu services base)
#:use-module (gnu system)
#:use-module (gnu system pam)
#:use-module (gnu system vm)
#:use-module (guix gexp)
#:use-module (ice-9 format)
#:export (%test-pam-limits))
;;;
;;; pam-limits-service-type
;;;
(define pam-limit-entries
(list
;; make sure the limits apply to root (uid 0)
(pam-limits-entry ":0" 'both 'rtprio 99) ;default is 0
(pam-limits-entry ":0" 'both 'memlock 'unlimited))) ;default is 8192 kbytes
(define (run-test-pam-limits config)
"Run tests in a os with pam-limits-service-type configured."
(define os
(marionette-operating-system
(simple-operating-system
(service pam-limits-service-type config))
#:imported-modules '((gnu services herd))))
(define vm
(virtual-machine os))
(define name "pam-limits-service")
(define test
(with-imported-modules '((gnu build marionette)
(guix build syscalls))
#~(begin
(use-modules (gnu build marionette)
(guix build syscalls)
(srfi srfi-64))
(let ((marionette (make-marionette (list #$vm))))
(test-runner-current (system-test-runner #$output))
(test-begin #$name)
(test-equal "log in on tty1 and read limits"
'(("99") ;real-time priority
("unlimited")) ;max locked memory
(begin
;; Wait for tty1.
(marionette-eval '(begin
(use-modules (gnu services herd))
(start-service 'term-tty1))
marionette)
(marionette-control "sendkey ctrl-alt-f1" marionette)
;; Now we can type.
(marionette-type "root\n" marionette)
(marionette-type "ulimit -r > real-time-priority\n" marionette)
(marionette-type "ulimit -l > max-locked-memory\n" marionette)
;; Read the two files.
(marionette-eval '(use-modules (rnrs io ports)) marionette)
(let ((guest-file (lambda (file)
(string-tokenize
(wait-for-file file marionette
#:read 'get-string-all)))))
(list (guest-file "/root/real-time-priority")
(guest-file "/root/max-locked-memory")))))
(test-end)))))
(gexp->derivation (string-append name "-test") test))
(define %test-pam-limits
(system-test
(name "pam-limits-service")
(description "Test that pam-limits-service actually sets the limits as
configured.")
(value (run-test-pam-limits pam-limit-entries))))
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