tlsdate/dbus/org.torproject.tlsdate.conf

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

  <!-- Only certain user can own the tlsdated service -->
  <policy user="nobody">
    <allow own="org.torproject.tlsdate"/>
  </policy>

  <!-- Allow anyone in the given group to invoke methods -->
  <policy group="root">
    <allow send_destination="org.torproject.tlsdate"
           send_interface="org.torproject.tlsdate"
           send_member="LastSyncInfo"/>
    <allow send_destination="org.torproject.tlsdate"
           send_interface="org.torproject.tlsdate"
           send_member="SetTime"/>
    <allow send_destination="org.torproject.tlsdate"
           send_interface="org.torproject.tlsdate"
           send_member="CanSetTime"/>
  </policy>

  <!-- Disallow anyone to invoke methods on tlsdated interface -->
  <policy context="default">
    <deny send_interface="org.torproject.tlsdate" />
    <allow send_destination="org.torproject.tlsdate"
           send_interface="org.torproject.tlsdate"
           send_member="LastSyncInfo"/>
  </policy>
</busconfig>