;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2018 Arun Isaac <arunisaac@systemreboot.net>
;;;
;;; 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 security-token)
  #:use-module (gnu services)
  #:use-module (gnu services shepherd)
  #:use-module (gnu packages admin)
  #:use-module (gnu packages base)
  #:use-module (gnu packages security-token)
  #:use-module (gnu system shadow)
  #:use-module (guix gexp)
  #:use-module (guix modules)
  #:use-module (guix records)
  #:use-module (ice-9 match)
  #:use-module (srfi srfi-26)
  #:export (pcscd-configuration
            pcscd-configuration?
            pcscd-configuration-pcsc-lite
            pcscd-configuration-usb-drivers
            pcscd-service-type))

;;;
;;; PC/SC Smart Card Daemon
;;;

(define-record-type* <pcscd-configuration>
  pcscd-configuration make-pcscd-configuration pcscd-configuration?
  (pcsc-lite pcscd-configuration-pcsc-lite
             (default pcsc-lite))
  (usb-drivers pcscd-configuration-usb-drivers
               (default (list ccid))))

(define pcscd-shepherd-service
  (match-lambda
    (($ <pcscd-configuration> pcsc-lite)
     (with-imported-modules (source-module-closure
                             '((gnu build shepherd)))
       (shepherd-service
        (documentation "PC/SC Smart Card Daemon")
        (provision '(pcscd))
        (requirement '(syslogd))
        (modules '((gnu build shepherd)))
        (start #~(lambda _
                   (invoke #$(file-append pcsc-lite "/sbin/pcscd"))
                   (call-with-input-file "/var/run/pcscd/pcscd.pid" read)))
        (stop #~(make-kill-destructor)))))))

(define pcscd-activation
  (match-lambda
    (($ <pcscd-configuration> pcsc-lite usb-drivers)
     (with-imported-modules (source-module-closure
                             '((guix build utils)))
       #~(begin
           (use-modules (guix build utils))
           ;; XXX: We can't use (guix utils) because it requires a
           ;; dynamically-linked Guile, hence the duplicate switch-symlinks.
           (define (switch-symlinks link target)
             (let ((pivot (string-append link ".new")))
               (symlink target pivot)
               (rename-file pivot link)))
           (mkdir-p "/var/lib")
           (switch-symlinks "/var/lib/pcsc"
                            #$(directory-union
                               "pcsc"
                               (map (cut file-append <> "/pcsc")
                                    usb-drivers))))))))

(define pcscd-service-type
  (service-type
   (name 'pcscd)
   (description
    "Run @command{pcscd}, the PC/SC smart card daemon.")
   (extensions
    (list (service-extension shepherd-root-service-type
                             (compose list pcscd-shepherd-service))
          (service-extension activation-service-type
                             pcscd-activation)))
   (default-value (pcscd-configuration))))
0-02/msg00128.html&gt;.

* .mailmap: Add an entry for Jakob.
* gnu/machine.scm, gnu/machine/digital-ocean.scm, gnu/machine/ssh.scm,
gnu/packages/admin.scm, gnu/packages/i2p.scm, gnu/packages/music.scm,
gnu/packages/web.scm, gnu/tests/reconfigure.scm, guix/scripts/deploy.scm,
guix/scripts/system/reconfigure.scm: Update their e-mail address.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2019-12-08 00:47:26 +0100'>2019-12-08</span></td><td><a href='/guix/commit/gnu/machine.scm?id=a1d7920861a8d6c6774149eaf939eb2636942090'>machine: Remove unnecessary record self-referencing bindings.</a><span class='msg-avail'>...<span class='msg-tooltip'>'this-machine' and 'this-machine-ssh-configuration' were useless given
that there are no thunked fields.

* gnu/machine.scm (&lt;machine&gt;)[this-machine]: Remove.
* gnu/machine/ssh.scm (&lt;machine-ssh-configuration&gt;)
[this-machine-ssh-configuration]: Remove.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-12-07 00:59:56 +0100'>2019-12-07</span></td><td><a href='/guix/commit/gnu/machine.scm?id=eaabc5e87f4e48d7bce88ca231f5fc2d554ca3d6'>machine: Add provenance tracking to each machine operating system.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/machine.scm (&lt;machine&gt;): Rename accessor to
'%machine-operating-system'.
(machine-operating-system): New procedure.
* doc/guix.texi (Service Reference): Mention it.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-08-15 07:43:09 -0400'>2019-08-15</span></td><td><a href='/guix/commit/gnu/machine.scm?id=9c70c460a05b2bc60f3f3602f0a2dba0f79ce86c'>machine: Implement 'roll-back-machine'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/machine.scm (roll-back-machine, &amp;deploy-error, deploy-error?)
(deploy-error-should-roll-back)
(deploy-error-captured-args): New variable.
* gnu/machine/ssh.scm (roll-back-managed-host): New variable.
* guix/scripts/deploy.scm (guix-deploy): Roll-back systems when a
deployment fails.
</span></span></td><td>Jakob L. Kreuze</td></tr>
<tr><td><span title='2019-08-06 15:48:51 -0400'>2019-08-06</span></td><td><a href='/guix/commit/gnu/machine.scm?id=d97ce20400b5d2967bfbc0e9fbfb99bbb2daed4f'>machine: Rename 'system' field.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/machine.scm (machine-system): Delete variable.
(machine-operating-system): New variable.
All callers changed.
* doc/guix.texi (Invoking guix deploy): Use the
'machine-operating-system' accessor rather than 'machine-system'.
</span></span></td><td>Jakob L. Kreuze</td></tr>
<tr><td><span title='2019-07-06 02:10:04 -0400'>2019-07-06</span></td><td><a href='/guix/commit/gnu/machine.scm?id=fa9edf09e992db7510c7471486dffc93e1e707e5'>gnu: Add machine type for deployment specifications.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/machine.scm: New file.
* gnu/machine/ssh.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.
</span></span></td><td>Jakob L. Kreuze</td></tr>