root使用dbus
#/usr/share/dbus-1/system.d/org.itchub.scan.conf
<!DOCTYPE busconfig PUBLIC
"-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
"http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
<busconfig>
<policy user="root">
<allow own="org.chub.scan"/>
</policy>
<policy context="default">
<allow send_interface="org.chub.ClamScanService"/>
<allow send_destination="org.chub.scan"/>
</policy>
</busconfig>