[PATCH 2/3] services: Add wpa-supplicant-service.

["Tomáš Čech" <sleep_walker@gnu.org>]

* gnu/services/networking.scm (wpa-supplicant-service): New procedure.
(wpa-supplicant-service-type): New variable.
(wpa-supplicant-shepherd-service): New procedure.
* doc/guix.texi (Networking Services): Document it.
---
 doc/guix.texi               |  8 ++++++++
 gnu/services/networking.scm | 36 +++++++++++++++++++++++++++++++++++-
 2 files changed, 43 insertions(+), 1 deletion(-)

diff --git a/doc/guix.texi b/doc/guix.texi
index 89a7a58..bdf0bce 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -8301,6 +8301,14 @@ several the @command{connmanctl} command to interact with the daemon and
 configure networking."
 @end deffn
 
+@cindex WPA Supplicant
+@deffn {Scheme Procedure} wpa-supplicant-service @
+       [#:wpa-supplicant @var{wpa-supplicant}]
+Return a service that runs @url{https://w1.fi/wpa_supplicant/,WPA
+supplicant}, an authentication daemon required to authenticate against
+encrypted WiFi or ethernet networks.
+@end deffn
+
 @deffn {Scheme Procedure} ntp-service [#:ntp @var{ntp}] @
   [#:servers @var{%ntp-servers}] @
   [#:allow-large-adjustment? #f]
diff --git a/gnu/services/networking.scm b/gnu/services/networking.scm
index df609da..05ee339 100644
--- a/gnu/services/networking.scm
+++ b/gnu/services/networking.scm
@@ -64,7 +64,8 @@
 
             wicd-service
             network-manager-service
-            connman-service))
+            connman-service
+            wpa-supplicant-service))
 
 ;;; Commentary:
 ;;;
@@ -740,4 +741,37 @@ several the @command{connmanctl} command to interact with the daemon and
 configure networking."
   (service connman-service-type connman))
 
+
+\f
+;;;
+;;; WPA supplicant
+;;;
+
+
+(define (wpa-supplicant-shepherd-service wpa-supplicant)
+  "Return a shepherd service for wpa_supplicant"
+  (list (shepherd-service
+         (documentation "Run WPA supplicant with dbus interface")
+         (provision '(wpa-supplicant))
+         (requirement '(user-processes dbus-system loopback))
+         (start #~(make-forkexec-constructor
+                   (list (string-append #$wpa-supplicant
+                                        "/sbin/wpa_supplicant")
+                         "-u" "-B")))
+         (stop #~(make-kill-destructor)))))
+
+(define wpa-supplicant-service-type
+  (service-type (name 'wpa-supplicant)
+                (extensions
+                 (list (service-extension shepherd-root-service-type
+                                          wpa-supplicant-shepherd-service)
+                       (service-extension dbus-root-service-type list)
+                       (service-extension profile-service-type list)))))
+
+(define* (wpa-supplicant-service #:key (wpa-supplicant wpa-supplicant))
+  "Return a service that runs @url{https://w1.fi/wpa_supplicant/,WPA
+supplicant}, an authentication daemon required to authenticate against
+encrypted WiFi or ethernet networks."
+  (service wpa-supplicant-service-type wpa-supplicant))
+
 ;;; networking.scm ends here
-- 
2.10.2