<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN" "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd"><busconfig>  <!-- The following demonstrates how to punch holes in a default deny-all        policy so that a particular user can own a service, and other        connections can get messages from it -->  <!-- Only root can own the FooService service, and        this user can only send the one kind of message -->  <policy user="root">    <allow own="org.foo.FooService"/>    <allow send_interface="org.foo.FooBroadcastInterface"/>  </policy>  <!-- Allow any connection to receive the message, but        only if the message is sent by the owner of FooService -->  <policy context="default">    <allow receive_interface="org.foo.FooBroadcastInterface" receive_sender="org.foo.FooService"/>  </policy></busconfig>