Add audit and apply methods for 5.9

bin/hardening/5.9_disable_ctrl_alt_del_target.sh

@@ -0,0 +1,70 @@
+#!/bin/bash
+
+#
+# harbian audit 9  Hardening
+#
+
+#
+# 5.9 Ensure ctrl-alt-del is disabled (Scored)
+# Authors : Samson wen, Samson <sccxboy@gmail.com> 
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+HARDENING_LEVEL=2
+
+TARGETNAME='ctrl-alt-del.target'
+
+# This function will be called if the script status is on enabled / audit mode
+audit () {
+    if [ $(find /lib/systemd/ /etc/systemd/ -name ctrl-alt-del.target -exec ls -l {} \; | grep "/dev/null" | wc -l) -ne $(find /lib/systemd/ /etc/systemd/ -name ctrl-alt-del.target -exec ls -l {} \; | wc -l) ]; then
+        crit "$TARGETNAME is enabled."
+        FNRET=1
+    else
+        ok "$TARGETNAME is disabled."
+        FNRET=0
+    fi
+}
+
+# This function will be called if the script status is on enabled mode
+apply () {
+    if [ $FNRET = 0 ]; then
+        ok "$TARGETNAME is disabled."
+    else
+        TARGETS=$(find /lib/systemd/ /etc/systemd/ -name ctrl-alt-del.target -exec ls -l {} \;| grep -v "/dev/null" | awk '{print $NF}')
+        for TARGET in $TARGETS
+        do
+            warn "Disable $TARGET"
+            if [ $TARGET ==  "/etc/systemd/*" ]; then
+                systemctl mask $TARGET
+            else
+                rm $TARGET 
+            fi
+        done
+        systemctl daemon-reload
+    fi
+}
+
+# This function will check config parameters required
+check_config() {
+    :
+}
+
+# Source Root Dir Parameter
+if [ -r /etc/default/cis-hardening ]; then
+    . /etc/default/cis-hardening
+fi
+if [ -z "$CIS_ROOT_DIR" ]; then
+     echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
+     echo "Cannot source CIS_ROOT_DIR variable, aborting."
+    exit 128
+fi
+
+# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
+if [ -r $CIS_ROOT_DIR/lib/main.sh ]; then
+    . $CIS_ROOT_DIR/lib/main.sh
+else
+    echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_ROOT_DIR in /etc/default/cis-hardening"
+    exit 128
+fi