diff options
Diffstat (limited to 'gnu/services/desktop.scm')
| -rw-r--r-- | gnu/services/desktop.scm | 166 |
1 files changed, 110 insertions, 56 deletions
diff --git a/gnu/services/desktop.scm b/gnu/services/desktop.scm index 166895663f..af4fe53dd0 100644 --- a/gnu/services/desktop.scm +++ b/gnu/services/desktop.scm @@ -226,52 +226,6 @@ levels, with the given configuration settings. It implements the ;;; -;;; Colord D-Bus service. -;;; - -(define %colord-activation - #~(begin - (use-modules (guix build utils)) - (mkdir-p "/var/lib/colord") - (let ((user (getpwnam "colord"))) - (chown "/var/lib/colord" - (passwd:uid user) (passwd:gid user))))) - -(define %colord-accounts - (list (user-group (name "colord") (system? #t)) - (user-account - (name "colord") - (group "colord") - (system? #t) - (comment "colord daemon user") - (home-directory "/var/empty") - (shell #~(string-append #$shadow "/sbin/nologin"))))) - -(define colord-service-type - (service-type (name 'colord) - (extensions - (list (service-extension account-service-type - (const %colord-accounts)) - (service-extension activation-service-type - (const %colord-activation)) - - ;; Colord is a D-Bus service that dbus-daemon can - ;; activate. - (service-extension dbus-root-service-type list) - - ;; Colord provides "color device" rules for udev. - (service-extension udev-service-type list))))) - -(define* (colord-service #:key (colord colord)) - "Return a service that runs @command{colord}, a system service with a D-Bus -interface to manage the color profiles of input and output devices such as -screens and scanners. It is notably used by the GNOME Color Manager graphical -tool. See @uref{http://www.freedesktop.org/software/colord/, the colord web -site} for more information." - (service colord-service-type colord)) - - -;;; ;;; GeoClue D-Bus service. ;;; @@ -383,6 +337,14 @@ site} for more information." ;;; Polkit privilege management service. ;;; +(define-record-type* <polkit-configuration> + polkit-configuration make-polkit-configuration + polkit-configuration? + (polkit polkit-configuration-polkit ;<package> + (default polkit)) + (actions polkit-configuration-actions ;list of <package> + (default '()))) + (define %polkit-accounts (list (user-group (name "polkitd") (system? #t)) (user-account @@ -396,9 +358,31 @@ site} for more information." (define %polkit-pam-services (list (unix-pam-service "polkitd"))) +(define (polkit-directory packages) + "Return a directory containing an @file{actions} and possibly a +@file{rules.d} sub-directory, for use as @file{/etc/polkit-1}." + (computed-file "etc-polkit-1" + #~(begin + (use-modules (guix build union) (srfi srfi-26)) + + (union-build #$output + (map (cut string-append <> + "/share/polkit-1") + (list #$@packages)))) + #:modules '((guix build union)))) + +(define polkit-etc-files + (match-lambda + (($ <polkit-configuration> polkit packages) + `(("polkit-1" ,(polkit-directory packages)))))) + +(define polkit-setuid-programs + (match-lambda + (($ <polkit-configuration> polkit) + (list #~(string-append #$polkit + "/lib/polkit-1/polkit-agent-helper-1"))))) + (define polkit-service-type - ;; TODO: Make it extensible so it can collect policy files from other - ;; services. (service-type (name 'polkit) (extensions (list (service-extension account-service-type @@ -406,15 +390,83 @@ site} for more information." (service-extension pam-root-service-type (const %polkit-pam-services)) (service-extension dbus-root-service-type - list))))) + (compose + list + polkit-configuration-polkit)) + (service-extension etc-service-type + polkit-etc-files) + (service-extension setuid-program-service-type + polkit-setuid-programs))) + + ;; Extensions are lists of packages that provide polkit rules + ;; or actions under share/polkit-1/{actions,rules.d}. + (compose concatenate) + (extend (lambda (config actions) + (polkit-configuration + (inherit config) + (actions + (append (polkit-configuration-actions config) + actions))))))) (define* (polkit-service #:key (polkit polkit)) - "Return a service that runs the @command{polkit} privilege management -service. By querying the @command{polkit} service, a privileged system -component can know when it should grant additional capabilities to ordinary -users. For example, an ordinary user can be granted the capability to suspend -the system if the user is logged in locally." - (service polkit-service-type polkit)) + "Return a service that runs the +@uref{http://www.freedesktop.org/wiki/Software/polkit/, Polkit privilege +management service}, which allows system administrators to grant access to +privileged operations in a structured way. By querying the Polkit service, a +privileged system component can know when it should grant additional +capabilities to ordinary users. For example, an ordinary user can be granted +the capability to suspend the system if the user is logged in locally." + (service polkit-service-type + (polkit-configuration (polkit polkit)))) + + +;;; +;;; Colord D-Bus service. +;;; + +(define %colord-activation + #~(begin + (use-modules (guix build utils)) + (mkdir-p "/var/lib/colord") + (let ((user (getpwnam "colord"))) + (chown "/var/lib/colord" + (passwd:uid user) (passwd:gid user))))) + +(define %colord-accounts + (list (user-group (name "colord") (system? #t)) + (user-account + (name "colord") + (group "colord") + (system? #t) + (comment "colord daemon user") + (home-directory "/var/empty") + (shell #~(string-append #$shadow "/sbin/nologin"))))) + +(define colord-service-type + (service-type (name 'colord) + (extensions + (list (service-extension account-service-type + (const %colord-accounts)) + (service-extension activation-service-type + (const %colord-activation)) + + ;; Colord is a D-Bus service that dbus-daemon can + ;; activate. + (service-extension dbus-root-service-type list) + + ;; Colord provides "color device" rules for udev. + (service-extension udev-service-type list) + + ;; It provides polkit "actions". + (service-extension polkit-service-type list))))) + +(define* (colord-service #:key (colord colord)) + "Return a service that runs @command{colord}, a system service with a D-Bus +interface to manage the color profiles of input and output devices such as +screens and scanners. It is notably used by the GNOME Color Manager graphical +tool. See @uref{http://www.freedesktop.org/software/colord/, the colord web +site} for more information." + (service colord-service-type colord)) ;;; @@ -581,7 +633,9 @@ the system if the user is logged in locally." (compose list elogind-package)) (service-extension udev-service-type (compose list elogind-package)) - ;; TODO: Extend polkit(?) and PAM. + (service-extension polkit-service-type + (compose list elogind-package)) + ;; TODO: Extend PAM with pam_elogind.so. )))) (define* (elogind-service #:key (config (elogind-configuration))) |