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services: wpa-supplicant: Extend to support configuration parameters. 

This allows using WPA Supplicant "standalone" without an additional
network manager.  The default configuration is unchanged.

* gnu/services/networking.scm (<wpa-supplicant-configuration>): New record type.
(wpa-supplicant-shepherd-service): Pass configuration records to the daemon.
(wpa-supplicant-service-type): Adjust accordingly.
* doc/guix.texi (Networking Services): Document the new service type.
This commit is contained in:
Marius Bakke 2018-04-09 01:04:10 +02:00
parent a55ebe2e3a
commit acce0a474c
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2 changed files with 92 additions and 31 deletions
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39
doc/guix.texi
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@ -11737,19 +11737,36 @@ When true, enable connman's vpn plugin.
@defvr {Scheme Variable} wpa-supplicant-service-type
This is the service type to run @url{https://w1.fi/wpa_supplicant/,WPA
supplicant}, an authentication daemon required to authenticate against
encrypted WiFi or ethernet networks. It is configured to listen for
requests on D-Bus.
The value of this service is the @code{wpa-supplicant} package to use.
Thus, it can be instantiated like this:
@lisp
(use-modules (gnu services networking))
(service wpa-supplicant-service-type)
@end lisp
encrypted WiFi or ethernet networks.
@end defvr
@deftp {Data Type} wpa-supplicant-configuration
Data type representing the configuration of WPA Supplicant.
It takes the following parameters:
@table @asis
@item @code{wpa-supplicant} (default: @code{wpa-supplicant})
The WPA Supplicant package to use.
@item @code{dbus?} (default: @code{#t})
Whether to listen for requests on D-Bus.
@item @code{pid-file} (default: @code{"/var/run/wpa_supplicant.pid"})
Where to store the PID file.
@item @code{interface} (default: @code{#f})
If this is set, it must specify the name of a network interface that
WPA supplicant will control.
@item @code{config-file} (default: @code{#f})
Optional configuration file to use.
@item @code{extra-options} (default: @code{'()})
List of additional command-line arguments to pass to the daemon.
@end table
@end deftp
@cindex iptables
@defvr {Scheme Variable} iptables-service-type
This is the service type to set up an iptables configuration. iptables is a

64
gnu/services/networking.scm
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@ -5,7 +5,7 @@
;;; Copyright © 2016 John Darrington <jmd@gnu.org>
;;; Copyright © 2017 Clément Lassieur <clement@lassieur.org>
;;; Copyright © 2017 Thomas Danckaert <post@thomasdanckaert.be>
;;; Copyright © 2017 Marius Bakke <mbakke@fastmail.com>
;;; Copyright © 2017, 2018 Marius Bakke <mbakke@fastmail.com>
;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2018 Chris Marusich <cmmarusich@gmail.com>
;;; Copyright © 2018 Arun Isaac <arunisaac@systemreboot.net>
@ -101,6 +101,16 @@
modem-manager-configuration
modem-manager-configuration?
modem-manager-service-type
<wpa-supplicant-configuration>
wpa-supplicant-configuration
wpa-supplicant-configuration?
wpa-supplicant-configuration-wpa-supplicant
wpa-supplicant-configuration-pid-file
wpa-supplicant-configuration-dbus?
wpa-supplicant-configuration-interface
wpa-supplicant-configuration-config-file
wpa-supplicant-configuration-extra-options
wpa-supplicant-service-type
openvswitch-service-type
@ -1019,28 +1029,62 @@ networking."))))
;;; WPA supplicant
;;;
(define-record-type* <wpa-supplicant-configuration>
wpa-supplicant-configuration make-wpa-supplicant-configuration
wpa-supplicant-configuration?
(wpa-supplicant wpa-supplicant-configuration-wpa-supplicant ;<package>
(default wpa-supplicant))
(pid-file wpa-supplicant-configuration-pid-file ;string
(default "/var/run/wpa_supplicant.pid"))
(dbus? wpa-supplicant-configuration-dbus? ;Boolean
(default #t))
(interface wpa-supplicant-configuration-interface ;#f | string
(default #f))
(config-file wpa-supplicant-configuration-config-file ;#f | <file-like>
(default #f))
(extra-options wpa-supplicant-configuration-extra-options ;list of strings
(default '())))
(define (wpa-supplicant-shepherd-service wpa-supplicant)
"Return a shepherd service for wpa_supplicant"
(define wpa-supplicant-shepherd-service
(match-lambda
(($ <wpa-supplicant-configuration> wpa-supplicant pid-file dbus? interface
config-file extra-options)
(list (shepherd-service
(documentation "Run WPA supplicant with dbus interface")
(documentation "Run the WPA supplicant daemon")
(provision '(wpa-supplicant))
(requirement '(user-processes dbus-system loopback))
(start #~(make-forkexec-constructor
(list (string-append #$wpa-supplicant
"/sbin/wpa_supplicant")
"-u" "-B" "-P/var/run/wpa_supplicant.pid")
#:pid-file "/var/run/wpa_supplicant.pid"))
(stop #~(make-kill-destructor)))))
(string-append "-P" #$pid-file)
"-B" ;run in background
#$@(if dbus?
#~("-u")
#~())
#$@(if interface
#~(string-append "-i" #$interface)
#~())
#$@(if config-file
#~(string-append "-c" #$config-file)
#~())
#$@extra-options)
#:pid-file #$pid-file))
(stop #~(make-kill-destructor)))))))
(define wpa-supplicant-service-type
(let ((config->package
(match-lambda
(($ <wpa-supplicant-configuration> wpa-supplicant)
(list wpa-supplicant)))))
(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)))
(default-value wpa-supplicant)))
(service-extension dbus-root-service-type config->package)
(service-extension profile-service-type config->package)))
(description "Run the WPA Supplicant daemon, a service that
implements authentication, key negotiation and more for wireless networks.")
(default-value (wpa-supplicant-configuration)))))
;;;