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Diffstat (limited to 'gnu/services/dbus.scm')
| -rw-r--r-- | gnu/services/dbus.scm | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/gnu/services/dbus.scm b/gnu/services/dbus.scm deleted file mode 100644 index 8f3b350951..0000000000 --- a/gnu/services/dbus.scm +++ /dev/null @@ -1,127 +0,0 @@ -;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2014, 2015 Ludovic Courtès <ludo@gnu.org> -;;; -;;; 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 system shadow) - #:use-module (gnu packages glib) - #:use-module (gnu packages admin) - #:use-module (guix monads) - #:use-module (guix store) - #:use-module (guix gexp) - #:export (dbus-service)) - -;;; Commentary: -;;; -;;; This module supports the configuration of the D-Bus message bus -;;; (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. -;;; -;;; Code: - -(define (dbus-configuration-directory dbus services) - "Return a configuration directory for @var{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 - ,@(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 #$output) - (copy-file (string-append #$dbus "/etc/dbus-1/system.conf") - (string-append #$output "/system.conf")) - - ;; The default 'system.conf' has an <includedir> clause for - ;; 'system.d', so create it. - (mkdir (string-append #$output "/system.d")) - - ;; '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))))) - - (gexp->derivation "dbus-configuration" build)) - -(define* (dbus-service services #:key (dbus dbus)) - "Return a service that runs the system bus, using @var{dbus}, with support -for @var{services}. - -@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)}." - (mlet %store-monad ((conf (dbus-configuration-directory dbus services))) - (return - (service - (documentation "Run the D-Bus system daemon.") - (provision '(dbus-system)) - (requirement '(user-processes)) - (start #~(make-forkexec-constructor - (list (string-append #$dbus "/bin/dbus-daemon") - "--nofork" - (string-append "--config-file=" #$conf "/system.conf")))) - (stop #~(make-kill-destructor)) - (user-groups (list (user-group - (name "messagebus") - (system? #t)))) - (user-accounts (list (user-account - (name "messagebus") - (group "messagebus") - (system? #t) - (comment "D-Bus system bus user") - (home-directory "/var/run/dbus") - (shell - #~(string-append #$shadow "/sbin/nologin"))))) - (activate #~(begin - (use-modules (guix build utils)) - - (mkdir-p "/var/run/dbus") - - (let ((user (getpwnam "messagebus"))) - (chown "/var/run/dbus" - (passwd:uid user) (passwd:gid user))) - - (unless (file-exists? "/etc/machine-id") - (format #t "creating /etc/machine-id...~%") - (let ((prog (string-append #$dbus "/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))))))))))) - -;;; dbus.scm ends here |