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-rw-r--r--gnu/services/desktop.scm6
-rw-r--r--gnu/services/xorg.scm55
-rw-r--r--gnu/system/linux.scm3
3 files changed, 61 insertions, 3 deletions
diff --git a/gnu/services/desktop.scm b/gnu/services/desktop.scm
index 69edc6d9bb..f283008c4c 100644
--- a/gnu/services/desktop.scm
+++ b/gnu/services/desktop.scm
@@ -34,6 +34,8 @@
#:use-module (gnu packages gnome)
#:use-module (gnu packages avahi)
#:use-module (gnu packages polkit)
+ #:use-module (gnu packages xdisorg)
+ #:use-module (gnu packages suckless)
#:use-module (guix records)
#:use-module (guix packages)
#:use-module (guix store)
@@ -643,6 +645,10 @@ when they log out."
;; List of services typically useful for a "desktop" use case.
(cons* (slim-service)
+ ;; Screen lockers are a pretty useful thing and these are small.
+ (screen-locker-service slock)
+ (screen-locker-service xlockmore "xlock")
+
;; The D-Bus clique.
(avahi-service)
(wicd-service)
diff --git a/gnu/services/xorg.scm b/gnu/services/xorg.scm
index 3a57891a96..639a541777 100644
--- a/gnu/services/xorg.scm
+++ b/gnu/services/xorg.scm
@@ -32,16 +32,21 @@
#:use-module (gnu packages bash)
#:use-module (guix gexp)
#:use-module (guix store)
+ #:use-module (guix packages)
#:use-module (guix derivations)
#:use-module (guix records)
#:use-module (srfi srfi-1)
+ #:use-module (srfi srfi-9)
#:use-module (srfi srfi-26)
#:use-module (ice-9 match)
#:export (xorg-configuration-file
xorg-start-command
%default-slim-theme
%default-slim-theme-name
- slim-service))
+ slim-service
+
+ screen-locker-service-type
+ screen-locker-service))
;;; Commentary:
;;;
@@ -350,4 +355,52 @@ theme."
(auto-login-session auto-login-session)
(startx startx))))
+
+;;;
+;;; Screen lockers & co.
+;;;
+
+(define-record-type <screen-locker>
+ (screen-locker name program empty?)
+ screen-locker?
+ (name screen-locker-name) ;string
+ (program screen-locker-program) ;gexp
+ (empty? screen-locker-allows-empty-passwords?)) ;Boolean
+
+(define screen-locker-pam-services
+ (match-lambda
+ (($ <screen-locker> name _ empty?)
+ (list (unix-pam-service name
+ #:allow-empty-passwords? empty?)))))
+
+(define screen-locker-setuid-programs
+ (compose list screen-locker-program))
+
+(define screen-locker-service-type
+ (service-type (name 'screen-locker)
+ (extensions
+ (list (service-extension pam-root-service-type
+ screen-locker-pam-services)
+ (service-extension setuid-program-service-type
+ screen-locker-setuid-programs)))))
+
+(define* (screen-locker-service package
+ #:optional
+ (program (package-name package))
+ #:key allow-empty-passwords?)
+ "Add @var{package}, a package for a screen-locker or screen-saver whose
+command is @var{program}, to the set of setuid programs and add a PAM entry
+for it. For example:
+
+@lisp
+(screen-locker-service xlockmore \"xlock\")
+@end lisp
+
+makes the good ol' XlockMore usable."
+ (service screen-locker-service-type
+ (screen-locker program
+ #~(string-append #$package
+ #$(string-append "/bin/" program))
+ allow-empty-passwords?)))
+
;;; xorg.scm ends here
diff --git a/gnu/system/linux.scm b/gnu/system/linux.scm
index cd14bc97be..487d379e65 100644
--- a/gnu/system/linux.scm
+++ b/gnu/system/linux.scm
@@ -182,8 +182,7 @@ authenticate to run COMMAND."
;; These programs are setuid-root.
(map (cut unix-pam-service <>
#:allow-empty-passwords? allow-empty-passwords?)
- '("su" "passwd" "sudo"
- "xlock" "xscreensaver"))
+ '("su" "passwd" "sudo"))
;; These programs are not setuid-root, and we want root to be able
;; to run them without having to authenticate (notably because