gnu: Add GeoClue desktop service.
* gnu/services/desktop.scm (bool): New top-level helper. (upower-configuration-file): Use top-level `bool'. (geoclue-application): New public function. (%standard-geoclue-applications): New public variable. (geoclue-service): New public variable. (%desktop-services): Add GeoClue. Add a comment about activation. * doc/guix.texi (Desktop Services): Document the GeoClue service. Signed-off-by: Ludovic Courtès <ludo@gnu.org>master
Andy Wingo
Ludovic Courtès
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4006fd87b5
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@ -5867,9 +5867,10 @@ adds or adjust services for a typical ``desktop'' setup.
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In particular, it adds a graphical login manager (@pxref{X Window,
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@code{slim-service}}), a network management tool (@pxref{Networking
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Services, @code{wicd-service}}), energy and color management services,
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an NTP client (@pxref{Networking Services}), the Avahi
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daemon, and has the name service switch service configured to be able to
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use @code{nss-mdns} (@pxref{Name Service Switch, mDNS}).
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the GeoClue location service, an NTP client (@pxref{Networking
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Services}), the Avahi daemon, and has the name service switch service
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configured to be able to use @code{nss-mdns} (@pxref{Name Service
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Switch, mDNS}).
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@end defvr
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The @var{%desktop-services} variable can be used as the @code{services}
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@ -5921,6 +5922,41 @@ tool. See @uref{http://www.freedesktop.org/software/colord/, the colord web
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site} for more information.
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@end deffn
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@deffn {Scheme Procedure} geoclue-application name [#:allowed? #t] [#:system? #f] [#:users '()]
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Return an configuration allowing an application to access GeoClue
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location data. @var{name} is the Desktop ID of the application, without
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the @code{.desktop} part. If @var{allowed?} is true, the application
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will have access to location information by default. The boolean
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@var{system?} value indicates that an application is a system component
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or not. Finally @var{users} is a list of UIDs of all users for which
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this application is allowed location info access. An empty users list
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means that all users are allowed.
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@end deffn
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@defvr {Scheme Variable} %standard-geoclue-applications
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The standard list of well-known GeoClue application configurations,
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granting authority to GNOME's date-and-time utility to ask for the
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current location in order to set the time zone, and allowing the Firefox
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(IceCat) and Epiphany web browsers to request location information.
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Firefox and Epiphany both query the user before allowing a web page to
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know the user's location.
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@end defvr
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@deffn {Monadic Procedure} geoclue-service [#:colord @var{colord}] @
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[#:whitelist '()] @
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[#:wifi-geolocation-url "https://location.services.mozilla.com/v1/geolocate?key=geoclue"] @
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[#:submit-data? #f]
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[#:wifi-submission-url "https://location.services.mozilla.com/v1/submit?key=geoclue"] @
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[#:submission-nick "geoclue"] @
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[#:applications %standard-geoclue-applications]
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Return a service that runs the GeoClue location service. This service
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provides a D-Bus interface to allow applications to request access to a
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user's physical location, and optionally to add information to online
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location databases. See
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@uref{https://wiki.freedesktop.org/www/Software/GeoClue/, the GeoClue
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web site} for more information.
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@end deffn
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@node Database Services
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@subsubsection Database Services
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@ -36,6 +36,9 @@
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#:export (dbus-service
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upower-service
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colord-service
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geoclue-application
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%standard-geoclue-applications
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geoclue-service
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%desktop-services))
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;;; Commentary:
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@ -44,6 +47,14 @@
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;;;
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;;; Code:
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;;;
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;;; Helpers.
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;;;
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(define (bool value)
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(if value "true\n" "false\n"))
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;;;
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;;; D-Bus.
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@ -154,9 +165,6 @@ and policy files. For example, to allow avahi-daemon to use the system bus,
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time-critical time-action
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critical-power-action)
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"Return an upower-daemon configuration file."
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(define (bool value)
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(if value "true\n" "false\n"))
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(text-file "UPower.conf"
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(string-append
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"[UPower]\n"
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@ -274,6 +282,100 @@ site} for more information."
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(shell
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#~(string-append #$shadow "/sbin/nologin")))))))))
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;;;
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;;; GeoClue D-Bus service.
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;;;
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(define* (geoclue-application name #:key (allowed? #t) system? (users '()))
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"Configure default GeoClue access permissions for an application. NAME is
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the Desktop ID of the application, without the .desktop part. If ALLOWED? is
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true, the application will have access to location information by default.
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The boolean SYSTEM? value indicates that an application is a system component
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or not. Finally USERS is a list of UIDs of all users for which this
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application is allowed location info access. An empty users list means all
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users are allowed."
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(string-append
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"[" name "]\n"
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"allowed=" (bool allowed?)
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"system=" (bool system?)
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"users=" (string-join users ";") "\n"))
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(define %standard-geoclue-applications
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(list (geoclue-application "gnome-datetime-panel" #:system? #t)
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(geoclue-application "epiphany" #:system? #f)
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(geoclue-application "firefox" #:system? #f)))
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(define* (geoclue-configuration-file #:key whitelist wifi-geolocation-url
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submit-data?
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wifi-submission-url submission-nick
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applications)
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"Return a geoclue configuration file."
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(text-file "geoclue.conf"
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(string-append
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"[agent]\n"
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"whitelist=" (string-join whitelist ";") "\n"
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"[wifi]\n"
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"url=" wifi-geolocation-url "\n"
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"submit-data=" (bool submit-data?)
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"submission-url=" wifi-submission-url "\n"
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"submission-nick=" submission-nick "\n"
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(string-join applications "\n"))))
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(define* (geoclue-service #:key (geoclue geoclue)
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(whitelist '())
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(wifi-geolocation-url
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;; Mozilla geolocation service:
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"https://location.services.mozilla.com/v1/geolocate?key=geoclue")
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(submit-data? #f)
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(wifi-submission-url
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"https://location.services.mozilla.com/v1/submit?key=geoclue")
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(submission-nick "geoclue")
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(applications %standard-geoclue-applications))
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"Return a service that runs the @command{geoclue} location service. This
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service provides a D-Bus interface to allow applications to request access to
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a user's physical location, and optionally to add information to online
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location databases. By default, only the GNOME date-time panel and the Icecat
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and Epiphany web browsers are able to ask for the user's location, and in the
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case of Icecat and Epiphany, both will ask the user for permission first. See
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@uref{https://wiki.freedesktop.org/www/Software/GeoClue/, the geoclue web
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site} for more information."
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(mlet %store-monad ((config (geoclue-configuration-file
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#:whitelist whitelist
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#:wifi-geolocation-url wifi-geolocation-url
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#:submit-data? submit-data?
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#:wifi-submission-url wifi-submission-url
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#:submission-nick submission-nick
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#:applications applications)))
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(return
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(service
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(documentation "Run the GeoClue location service.")
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(provision '(geoclue-daemon))
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(requirement '(dbus-system))
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(start #~(make-forkexec-constructor
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(list (string-append #$geoclue "/libexec/geoclue"))
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#:user "geoclue"
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#:environment-variables
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(list (string-append "GEOCLUE_CONFIG_FILE=" #$config))))
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(stop #~(make-kill-destructor))
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(user-groups (list (user-group
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(name "geoclue")
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(system? #t))))
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(user-accounts (list (user-account
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(name "geoclue")
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(group "geoclue")
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(system? #t)
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(comment "GeoClue daemon user")
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(home-directory "/var/empty")
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(shell
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"/run/current-system/profile/sbin/nologin"))))))))
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;;;
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;;; The default set of desktop services.
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;;;
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(define %desktop-services
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;; List of services typically useful for a "desktop" use case.
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(cons* (slim-service)
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@ -281,8 +383,13 @@ site} for more information."
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(avahi-service)
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(wicd-service)
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(upower-service)
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;; FIXME: The colord and geoclue services could all be bus-activated
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;; by default, so they don't run at program startup. However, user
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;; creation and /var/lib.colord creation happen at service activation
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;; time, so we currently add them to the set of default services.
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(colord-service)
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(dbus-service (list avahi wicd upower colord))
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(geoclue-service)
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(dbus-service (list avahi wicd upower colord geoclue))
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(ntp-service)
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