Borrowed from debian, allows users in netdev group to control wpa-supplicant
via D-Bus.

Description: Debian does not use pam_console but uses group membership
 to control access to D-Bus. Activating both options in the conf file
 makes it work on Debian and Ubuntu.
Author: Michael Biebl <biebl@debian.org>
Bug-Debian: http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=15;bug=412179
---
--- a/wpa_supplicant/dbus/dbus-wpa_supplicant.conf
+++ b/wpa_supplicant/dbus/dbus-wpa_supplicant.conf
@@ -14,6 +14,11 @@
                 <allow send_interface="fi.w1.wpa_supplicant1"/>
                 <allow receive_sender="fi.w1.wpa_supplicant1" receive_type="signal"/>
         </policy>
+        <policy group="netdev">
+                <allow send_destination="fi.w1.wpa_supplicant1"/>
+                <allow send_interface="fi.w1.wpa_supplicant1"/>
+                <allow receive_sender="fi.w1.wpa_supplicant1" receive_type="signal"/>
+        </policy>
         <policy context="default">
                 <deny own="fi.epitest.hostap.WPASupplicant"/>
                 <deny send_destination="fi.epitest.hostap.WPASupplicant"/>
534157'>refs</a><a class='active' href='/guix/log/gnu/packages/drones.scm'>log</a><a href='/guix/tree/gnu/packages/drones.scm?id=10612d61540228d48c998ba5b56f50da22534157'>tree</a><a href='/guix/commit/gnu/packages/drones.scm?id=10612d61540228d48c998ba5b56f50da22534157'>commit</a><a href='/guix/diff/gnu/packages/drones.scm?id=10612d61540228d48c998ba5b56f50da22534157'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/packages/drones.scm'>
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<div class='path'>path: <a href='/guix/log/?id=10612d61540228d48c998ba5b56f50da22534157'>root</a>/<a href='/guix/log/gnu?id=10612d61540228d48c998ba5b56f50da22534157'>gnu</a>/<a href='/guix/log/gnu/packages?id=10612d61540228d48c998ba5b56f50da22534157'>packages</a>/<a href='/guix/log/gnu/packages/drones.scm?id=10612d61540228d48c998ba5b56f50da22534157'>drones.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/drones.scm?id=10612d61540228d48c998ba5b56f50da22534157&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-01-15 20:36:34 +0100'>2020-01-15</span></td><td><a href='/guix/commit/gnu/packages/drones.scm?id=55e1475cb58c1b9535b35f8bdb157b1435c54755'>gnu: python-lxml: Move to (gnu packages xml).</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/python-xyz.scm (python-lxml): Move from here ...
* gnu/packages/xml.scm (python-lxml): ... to here.
* gnu/packages/django.scm, gnu/packages/drones.scm,
gnu/packages/libreoffice.scm, gnu/packages/nutrition.scm,
gnu/packages/openstack.scm, gnu/packages/pulseaudio.scm,
gnu/packages/python-science.scm, gnu/packages/tryton.scm,
gnu/packages/wireservice.scm: Adjust module imports.
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2019-12-28 16:50:32 +0100'>2019-12-28</span></td><td><a href='/guix/commit/gnu/packages/drones.scm?id=8e07725788bc1d06c28cf07a6a8a927c6319adf6'>gnu: Add ardupilot.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/local.mk (GNU_SYSTEM_MODULES): Add drones.scm.
* gnu/packages/drones.scm: New file.
</span></span></td><td>Mathieu Othacehe</td></tr>