mirror of
git://git.savannah.gnu.org/guix.git
synced 2023-12-14 03:33:07 +01:00
9e41130b14
* gnu/services/avahi.scm, gnu/services/base.scm, gnu/services/databases.scm, gnu/services/dbus.scm, gnu/services/desktop.scm, gnu/services/dict.scm, gnu/services/mail.scm, gnu/services/networking.scm, gnu/services/sddm.scm, gnu/services/spice.scm, gnu/services/ssh.scm, gnu/services/web.scm, gnu/services/xorg.scm, gnu/system.scm: Replace the #~(string-append #$pkg "/bin/foo") idiom with (file-append pkg "/bin/foo").
221 lines
9 KiB
Scheme
221 lines
9 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
|
|
;;; Copyright © 2013, 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
|
|
;;; Copyright © 2015 Sou Bunnbu <iyzsong@gmail.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 services dbus)
|
|
#:use-module (gnu services)
|
|
#:use-module (gnu services shepherd)
|
|
#:use-module (gnu system shadow)
|
|
#:use-module ((gnu packages glib) #:select (dbus))
|
|
#:use-module (gnu packages admin)
|
|
#:use-module (guix gexp)
|
|
#:use-module (guix records)
|
|
#:use-module (srfi srfi-1)
|
|
#:use-module (ice-9 match)
|
|
#:export (dbus-configuration
|
|
dbus-configuration?
|
|
dbus-root-service-type
|
|
dbus-service))
|
|
|
|
;;;
|
|
;;; D-Bus.
|
|
;;;
|
|
|
|
(define-record-type* <dbus-configuration>
|
|
dbus-configuration make-dbus-configuration
|
|
dbus-configuration?
|
|
(dbus dbus-configuration-dbus ;<package>
|
|
(default dbus))
|
|
(services dbus-configuration-services ;list of <package>
|
|
(default '())))
|
|
|
|
(define (system-service-directory services)
|
|
"Return the system service directory, containing @code{.service} files for
|
|
all the services that may be activated by the daemon."
|
|
(computed-file "dbus-system-services"
|
|
(with-imported-modules '((guix build utils))
|
|
#~(begin
|
|
(use-modules (guix build utils)
|
|
(srfi srfi-1))
|
|
|
|
(define files
|
|
(append-map (lambda (service)
|
|
(find-files
|
|
(string-append
|
|
service
|
|
"/share/dbus-1/system-services")
|
|
"\\.service$"))
|
|
(list #$@services)))
|
|
|
|
(mkdir #$output)
|
|
(for-each (lambda (file)
|
|
(symlink file
|
|
(string-append #$output "/"
|
|
(basename file))))
|
|
files)
|
|
#t))))
|
|
|
|
(define (dbus-configuration-directory services)
|
|
"Return a directory contains the @code{system-local.conf} file for DBUS that
|
|
includes the @code{etc/dbus-1/system.d} directories of each package listed in
|
|
@var{services}."
|
|
(define build
|
|
#~(begin
|
|
(use-modules (sxml simple)
|
|
(srfi srfi-1))
|
|
|
|
(define (services->sxml services)
|
|
;; Return the SXML 'includedir' clauses for DIRS.
|
|
`(busconfig
|
|
(servicehelper "/run/setuid-programs/dbus-daemon-launch-helper")
|
|
|
|
;; First, the '.service' files of services subject to activation.
|
|
;; We use a fixed location under /etc because the setuid helper
|
|
;; looks for them in that location and nowhere else. See
|
|
;; <https://bugs.freedesktop.org/show_bug.cgi?id=92458>.
|
|
(servicedir "/etc/dbus-1/system-services")
|
|
|
|
,@(append-map (lambda (dir)
|
|
`((includedir
|
|
,(string-append dir "/etc/dbus-1/system.d"))
|
|
(servicedir ;for '.service' files
|
|
,(string-append dir "/share/dbus-1/services"))))
|
|
services)))
|
|
|
|
(mkdir #$output)
|
|
|
|
;; Provide /etc/dbus-1/system-services, which is where the setuid
|
|
;; helper looks for system service files.
|
|
(symlink #$(system-service-directory services)
|
|
(string-append #$output "/system-services"))
|
|
|
|
;; 'system-local.conf' is automatically included by the default
|
|
;; 'system.conf', so this is where we stuff our own things.
|
|
(call-with-output-file (string-append #$output "/system-local.conf")
|
|
(lambda (port)
|
|
(sxml->xml (services->sxml (list #$@services))
|
|
port)))))
|
|
|
|
(computed-file "dbus-configuration" build))
|
|
|
|
(define (dbus-etc-files config)
|
|
"Return a list of FILES for @var{etc-service-type} to build the
|
|
@code{/etc/dbus-1} directory."
|
|
(list `("dbus-1" ,(dbus-configuration-directory
|
|
(dbus-configuration-services config)))))
|
|
|
|
(define %dbus-accounts
|
|
;; Accounts used by the system bus.
|
|
(list (user-group (name "messagebus") (system? #t))
|
|
(user-account
|
|
(name "messagebus")
|
|
(group "messagebus")
|
|
(system? #t)
|
|
(comment "D-Bus system bus user")
|
|
(home-directory "/var/run/dbus")
|
|
(shell (file-append shadow "/sbin/nologin")))))
|
|
|
|
(define dbus-setuid-programs
|
|
;; Return the file name of the setuid program that we need.
|
|
(match-lambda
|
|
(($ <dbus-configuration> dbus services)
|
|
(list (file-append dbus "/libexec/dbus-daemon-launch-helper")))))
|
|
|
|
(define (dbus-activation config)
|
|
"Return an activation gexp for D-Bus using @var{config}."
|
|
#~(begin
|
|
(use-modules (guix build utils))
|
|
|
|
(mkdir-p "/var/run/dbus")
|
|
|
|
(let ((user (getpwnam "messagebus")))
|
|
(chown "/var/run/dbus"
|
|
(passwd:uid user) (passwd:gid user)))
|
|
|
|
(unless (file-exists? "/etc/machine-id")
|
|
(format #t "creating /etc/machine-id...~%")
|
|
(let ((prog (string-append #$(dbus-configuration-dbus config)
|
|
"/bin/dbus-uuidgen")))
|
|
;; XXX: We can't use 'system' because the initrd's
|
|
;; guile system(3) only works when 'sh' is in $PATH.
|
|
(let ((pid (primitive-fork)))
|
|
(if (zero? pid)
|
|
(call-with-output-file "/etc/machine-id"
|
|
(lambda (port)
|
|
(close-fdes 1)
|
|
(dup2 (port->fdes port) 1)
|
|
(execl prog)))
|
|
(waitpid pid)))))))
|
|
|
|
(define dbus-shepherd-service
|
|
(match-lambda
|
|
(($ <dbus-configuration> dbus)
|
|
(list (shepherd-service
|
|
(documentation "Run the D-Bus system daemon.")
|
|
(provision '(dbus-system))
|
|
(requirement '(user-processes))
|
|
(start #~(make-forkexec-constructor
|
|
(list (string-append #$dbus "/bin/dbus-daemon")
|
|
"--nofork" "--system")
|
|
#:pid-file "/var/run/dbus/pid"))
|
|
(stop #~(make-kill-destructor)))))))
|
|
|
|
(define dbus-root-service-type
|
|
(service-type (name 'dbus)
|
|
(extensions
|
|
(list (service-extension shepherd-root-service-type
|
|
dbus-shepherd-service)
|
|
(service-extension activation-service-type
|
|
dbus-activation)
|
|
(service-extension etc-service-type
|
|
dbus-etc-files)
|
|
(service-extension account-service-type
|
|
(const %dbus-accounts))
|
|
(service-extension setuid-program-service-type
|
|
dbus-setuid-programs)))
|
|
|
|
;; Extensions consist of lists of packages (representing D-Bus
|
|
;; services) that we just concatenate.
|
|
(compose concatenate)
|
|
|
|
;; The service's parameters field is extended by augmenting
|
|
;; its <dbus-configuration> 'services' field.
|
|
(extend (lambda (config services)
|
|
(dbus-configuration
|
|
(inherit config)
|
|
(services
|
|
(append (dbus-configuration-services config)
|
|
services)))))))
|
|
|
|
(define* (dbus-service #:key (dbus dbus) (services '()))
|
|
"Return a service that runs the \"system bus\", using @var{dbus}, with
|
|
support for @var{services}.
|
|
|
|
@uref{http://dbus.freedesktop.org/, D-Bus} is an inter-process communication
|
|
facility. Its system bus is used to allow system services to communicate and
|
|
be notified of system-wide events.
|
|
|
|
@var{services} must be a list of packages that provide an
|
|
@file{etc/dbus-1/system.d} directory containing additional D-Bus configuration
|
|
and policy files. For example, to allow avahi-daemon to use the system bus,
|
|
@var{services} must be equal to @code{(list avahi)}."
|
|
(service dbus-root-service-type
|
|
(dbus-configuration (dbus dbus)
|
|
(services services))))
|
|
|
|
;;; dbus.scm ends here
|