hostap/tests/hwsim/vm/dbus.conf

<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-Bus Bus Configuration 1.0//EN"
 "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
<busconfig>
  <type>system</type>
  <user>messagebus</user>
  <fork/>
  <standard_system_servicedirs/>
  <servicehelper>/usr/lib/dbus-1.0/dbus-daemon-launch-helper</servicehelper>
  <pidfile>/var/run/dbus/pid</pidfile>
  <auth>EXTERNAL</auth>
  <listen>unix:path=/var/run/dbus/system_bus_socket</listen>
  <policy context="default">
    <allow user="*"/>
    <deny own="*"/>
    <deny send_type="method_call"/>
    <allow send_type="signal"/>
    <allow send_requested_reply="true" send_type="method_return"/>
    <allow send_requested_reply="true" send_type="error"/>
    <allow receive_type="method_call"/>
    <allow receive_type="method_return"/>
    <allow receive_type="error"/>
    <allow receive_type="signal"/>
    <allow send_destination="org.freedesktop.DBus"/>
    <deny send_destination="org.freedesktop.DBus"
          send_interface="org.freedesktop.DBus"
          send_member="UpdateActivationEnvironment"/>
  </policy>
  <policy user="root">
    <allow own="fi.epitest.hostap.WPASupplicant"/>
    <allow send_destination="fi.epitest.hostap.WPASupplicant"/>
    <allow send_interface="fi.epitest.hostap.WPASupplicant"/>
    <allow own="fi.w1.wpa_supplicant1"/>
    <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>
</busconfig>