feat: add debian12 scripts

- at_is_restricted.sh			-> 2.4.2.1
- wireless_interfaces_disabled.sh	-> 3.1.2
- bluetooth_is_disabled.sh 		-> 3.1.3
- sudo_no_nopasswd.sh 			-> 5.2.4
- aide_is_installed.sh 			-> 6.1.1

bin/hardening/aide_is_installed.sh

@@ -0,0 +1,66 @@
+#!/bin/bash
+
+# run-shellcheck
+#
+# CIS Debian Hardening
+#
+
+#
+# Ensure AIDE is installed (Automated)
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+# shellcheck disable=2034
+HARDENING_LEVEL=3
+# shellcheck disable=2034
+DESCRIPTION="Ensure AIDE is installed"
+PACKAGE="aide"
+
+# This function will be called if the script status is on enabled / audit mode
+audit() {
+    AIDE_INSTALLED=1
+    is_pkg_installed "$PACKAGE"
+    if [ "$FNRET" != 0 ]; then
+        crit "$PACKAGE is absent!"
+    else
+        AIDE_INSTALLED=0
+        ok "$PACKAGE is installed"
+    fi
+}
+
+# This function will be called if the script status is on enabled mode
+apply() {
+    audit
+    if [ "$AIDE_INSTALLED" -eq 1 ]; then
+        info "installing '$PACKAGE'"
+        apt_install "$PACKAGE"
+        info "'$PACKAGE' installed, please follow the documentation to init and configure it"
+    fi
+}
+
+# This function will check config parameters required
+check_config() {
+    :
+}
+
+# Source Root Dir Parameter
+if [ -r /etc/default/cis-hardening ]; then
+    # shellcheck source=../../debian/default
+    . /etc/default/cis-hardening
+fi
+if [ -z "$CIS_LIB_DIR" ]; then
+    echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
+    echo "Cannot source CIS_LIB_DIR variable, aborting."
+    exit 128
+fi
+
+# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
+if [ -r "${CIS_LIB_DIR}"/main.sh ]; then
+    # shellcheck source=../../lib/main.sh
+    . "${CIS_LIB_DIR}"/main.sh
+else
+    echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_LIB_DIR in /etc/default/cis-hardening"
+    exit 128
+fi