File: //etc/dbus-1/system.d/org.opensuse.CupsPkHelper.Mechanism.conf
<?xml version="1.0" encoding="UTF-8"?> <!-- -*- XML -*- -->
<!DOCTYPE busconfig PUBLIC
"-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
"http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
<busconfig>
<!-- Only root can own the service -->
<policy user="cups-pk-helper">
<allow own="org.opensuse.CupsPkHelper.Mechanism"/>
</policy>
<!-- Allow anyone to invoke methods on the interfaces -->
<policy context="default">
<allow send_destination="org.opensuse.CupsPkHelper.Mechanism"/>
</policy>
</busconfig>