<!-- This configuration file controls the systemwide message bus.

     Add a system-local.conf and edit that rather than changing this 

     file directly. -->

<!-- Note that there are any number of ways you can hose yourself

     security-wise by screwing up this file; in particular, you

     probably don't want to listen on any more addresses, add any more

     auth mechanisms, run as a different user, etc. -->

<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-Bus Bus Configuration 1.0//EN"

 "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">

<busconfig>

  <!-- Our well-known bus type, do not change this -->

  <type>system</type>

  <!-- Run as special user -->

  <user>messagebus</user>

  <!-- Fork into daemon mode -->

  <fork/>

  <!-- Write a pid file -->

  <pidfile>/usr/local/var/run/messagebus.pid</pidfile>

  <!-- Only allow socket-credentials-based authentication -->

  <auth>EXTERNAL</auth>

  <!-- Only listen on a local socket. (abstract=/path/to/socket 

       means use abstract namespace, don't really create filesystem 

       file; only Linux supports this. Use path=/whatever on other 

       systems.) -->

  <listen>tcp:host=localhost,port=12437</listen>

  <policy context="default">

    <!-- Deny everything then punch holes -->

    <deny send_interface="*"/>

    <deny receive_interface="*"/>

    <deny own="*"/>

    <!-- But allow all users to connect -->

    <allow user="*"/>

    <!-- Allow anyone to talk to the message bus -->

    <!-- FIXME I think currently these allow rules are always implicit 

         even if they aren't in here -->

    <allow send_destination="org.freedesktop.DBus"/>

    <allow receive_sender="org.freedesktop.DBus"/>

    <!-- valid replies are always allowed -->

    <allow send_requested_reply="true"/>

    <allow receive_requested_reply="true"/>

  </policy>

  <!-- Config files are placed here that among other things, punch 

       holes in the above policy for specific services. -->

  <includedir>system.d</includedir>

  <!-- This is included last so local configuration can override what's 

       in this standard file -->

  <include ignore_missing="yes">system-local.conf</include>

  <include if_selinux_enabled="yes" selinux_root_relative="yes">contexts/dbus_contexts</include>

</busconfig>