Xfce: configure lockscreen before shutdown

debian/kali-themes.postinst

@@ -23,6 +23,7 @@ FILES_TO_DIVERT="
 /etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xfce4-desktop.xml
 /etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xfce4-keyboard-shortcuts.xml
 /etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xfce4-power-manager.xml
+/etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xfce4-session.xml
 /etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xfwm4.xml
 /etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xsettings.xml
 /etc/xdg/Thunar/uca.xml

debian/kali-themes.postrm

@@ -23,6 +23,7 @@ FILES_TO_DIVERT="
 /etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xfce4-desktop.xml
 /etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xfce4-keyboard-shortcuts.xml
 /etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xfce4-power-manager.xml
+/etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xfce4-session.xml
 /etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xfwm4.xml
 /etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xsettings.xml
 /etc/xdg/Thunar/uca.xml

debian/kali-themes.preinst

@@ -23,6 +23,7 @@ FILES_TO_DIVERT="
 /etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xfce4-desktop.xml
 /etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xfce4-keyboard-shortcuts.xml
 /etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xfce4-power-manager.xml
+/etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xfce4-session.xml
 /etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xfwm4.xml
 /etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xsettings.xml
 /etc/xdg/Thunar/uca.xml

etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xfce4-session.xml

@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<channel name="xfce4-session" version="1.0">
+  <property name="general" type="empty">
+    <property name="FailsafeSessionName" type="string" value="Failsafe"/>
+    <property name="LockCommand" type="string" value=""/>
+  </property>
+  <property name="sessions" type="empty">
+    <property name="Failsafe" type="empty">
+      <property name="IsFailsafe" type="bool" value="true"/>
+      <property name="Count" type="int" value="5"/>
+      <property name="Client0_Command" type="array">
+        <value type="string" value="xfwm4"/>
+      </property>
+      <property name="Client0_Priority" type="int" value="15"/>
+      <property name="Client0_PerScreen" type="bool" value="false"/>
+      <property name="Client1_Command" type="array">
+        <value type="string" value="xfsettingsd"/>
+      </property>
+      <property name="Client1_Priority" type="int" value="20"/>
+      <property name="Client1_PerScreen" type="bool" value="false"/>
+      <property name="Client2_Command" type="array">
+        <value type="string" value="xfce4-panel"/>
+      </property>
+      <property name="Client2_Priority" type="int" value="25"/>
+      <property name="Client2_PerScreen" type="bool" value="false"/>
+      <property name="Client3_Command" type="array">
+        <value type="string" value="Thunar"/>
+        <value type="string" value="--daemon"/>
+      </property>
+      <property name="Client3_Priority" type="int" value="30"/>
+      <property name="Client3_PerScreen" type="bool" value="false"/>
+      <property name="Client4_Command" type="array">
+        <value type="string" value="xfdesktop"/>
+      </property>
+      <property name="Client4_Priority" type="int" value="35"/>
+      <property name="Client4_PerScreen" type="bool" value="false"/>
+    </property>
+  </property>
+  <property name="shutdown" type="empty">
+    <property name="LockScreen" type="bool" value="true"/>
+  </property>
+</channel>
+

files-to-divert

@@ -18,6 +18,7 @@
 /etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xfce4-desktop.xml
 /etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xfce4-keyboard-shortcuts.xml
 /etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xfce4-power-manager.xml
+/etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xfce4-session.xml
 /etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xfwm4.xml
 /etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xsettings.xml
 /etc/xdg/Thunar/uca.xml