gd/rust/chromeos/examples/dbus/floss.conf

<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
 "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">

<busconfig>
  <!-- ../system.conf have denied everything, so we just punch some holes -->

  <policy user="root">
    <allow own="org.chromium.bluetooth"/>
    <allow own="org.chromium.bluetooth.Manager"/>

    <allow send_destination="org.chromium.bluetooth"/>
    <allow send_interface="org.freedesktop.DBus.ObjectManager"/>
    <allow send_interface="org.freedesktop.DBus.Properties"/>

    <allow send_destination="org.chromium.bluetooth.Manager"/>
    <allow send_interface="org.chromium.bluetooth.Manager"/>
  </policy>

  <policy user="bluetooth">
    <allow own="org.chromium.bluetooth"/>
    <allow own="org.chromium.bluetooth.Manager"/>

    <allow send_destination="org.chromium.bluetooth"/>
    <allow send_interface="org.freedesktop.DBus.ObjectManager"/>
    <allow send_interface="org.freedesktop.DBus.Properties"/>

    <allow send_destination="org.chromium.bluetooth.Manager"/>
    <allow send_interface="org.chromium.bluetooth.Manager"/>
  </policy>

  <policy user="chronos">
    <allow send_destination="org.chromium.bluetooth"/>
  </policy>

  <policy context="default">
    <deny send_destination="org.chromium.bluetooth"/>
    <deny send_destination="org.chromium.bluetooth.Manager"/>
  </policy>
</busconfig>