From fe7b59c6b1200fcc10bda954c2370eca63af5299 Mon Sep 17 00:00:00 2001
From: Leo Prikler <leo.prikler@student.tugraz.at>
Date: Sat, 9 Nov 2019 16:14:45 +0100
Subject: services: Add GNOME Keyring service.
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* gnu/services/desktop.scm: (<gnome-keyring-configuration>): New record type.
(pam-gnome-keyring): New procedure.
(gnome-keyring-service-type): New variable.
* doc/guix.texi (Desktop Services): Document it.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
---
 gnu/services/desktop.scm | 53 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)

(limited to 'gnu/services')

diff --git a/gnu/services/desktop.scm b/gnu/services/desktop.scm
index 4a5898fbb9..b40622a637 100644
--- a/gnu/services/desktop.scm
+++ b/gnu/services/desktop.scm
@@ -137,6 +137,10 @@
 
             polkit-wheel-service
 
+            gnome-keyring-configuration
+            gnome-keyring-configuration?
+            gnome-keyring-service-type
+
             %desktop-services))
 
 ;;; Commentary:
@@ -1066,6 +1070,55 @@ as expected.")))
    (description "Return a service that runs inputattach on a device and
 dispatches events from it.")))
 
+
+;;;
+;;; gnome-keyring-service-type
+;;;
+
+(define-record-type* <gnome-keyring-configuration> gnome-keyring-configuration
+  make-gnome-keyring-configuration
+  gnome-keyring-configuration?
+  (keyring gnome-keyring-package (default gnome-keyring))
+  (pam-services gnome-keyring-pam-services (default '(("gdm-password" . login)
+                                                      ("passwd" . passwd)))))
+
+(define (pam-gnome-keyring config)
+  (define (%pam-keyring-entry . arguments)
+    (pam-entry
+     (control "optional")
+     (module (file-append (gnome-keyring-package config)
+                          "/lib/security/pam_gnome_keyring.so"))
+     (arguments arguments)))
+
+  (list
+   (lambda (service)
+     (case (assoc-ref (gnome-keyring-pam-services config)
+                      (pam-service-name service))
+       ((login)
+        (pam-service
+         (inherit service)
+         (auth (append (pam-service-auth service)
+                       (list (%pam-keyring-entry))))
+         (session (append (pam-service-session service)
+                          (list (%pam-keyring-entry "auto_start"))))))
+       ((passwd)
+        (pam-service
+         (inherit service)
+         (password (append (pam-service-password service)
+                           (list (%pam-keyring-entry))))))
+       (else service)))))
+
+(define gnome-keyring-service-type
+  (service-type
+   (name 'gnome-keyring)
+   (extensions (list
+                (service-extension pam-root-service-type pam-gnome-keyring)))
+   (default-value (gnome-keyring-configuration))
+   (description "Return a service, that adds the @code{gnome-keyring} package
+to the system profile and extends PAM with entries using
+@code{pam_gnome_keyring.so}, unlocking a user's login keyring when they log in
+or setting its password with passwd.")))
+
 
 ;;;
 ;;; polkit-wheel-service -- Allow wheel group to perform admin actions
-- 
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