maybe chmod 0644 'dbus-1/system.d/org.kde.kcontrol.kcmsddm.conf'
maybe chmod 0644 'dbus-1/system.d/org.kde.kf5auth.conf'
maybe chmod 0644 'dbus-1/system.d/org.kde.kf5auth.kstars.conf'
+maybe chmod 0644 'dbus-1/system.d/org.kde.kio.file.conf'
maybe chmod 0644 'dbus-1/system.d/org.kde.ksysguard.processlisthelper.conf'
maybe chmod 0644 'dbus-1/system.d/org.kde.ktexteditor.katetextbuffer.conf'
maybe chmod 0644 'dbus-1/system.d/org.kde.powerdevil.backlighthelper.conf'
--- /dev/null
+<!DOCTYPE busconfig PUBLIC
+ "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
+ "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
+<busconfig>
+
+ <!-- Only user root can own the foo helper -->
+ <policy user="root">
+ <allow own="org.kde.kio.file"/>
+ </policy>
+
+</busconfig>