feat: add debian12 scripts

- password_number_changed_chars.sh	-> 5.3.3.2.1
- password_dictcheck_enabled.sh 	-> 5.3.3.2.6
- password_quality_enforced.sh 		-> 5.3.3.2.7
- password_quality_enforced_for_root.sh -> 5.3.3.2.8

bin/hardening/password_quality_enforced.sh

@@ -0,0 +1,86 @@
+#!/bin/bash
+
+# run-shellcheck
+#
+# CIS Debian Hardening
+#
+
+#
+# Ensure password quality checking is enforced (Automated)
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+# shellcheck disable=2034
+HARDENING_LEVEL=2
+# shellcheck disable=2034
+DESCRIPTION="Ensure password quality checking is enforced"
+
+# This function will be called if the script status is on enabled / audit mode
+audit() {
+    QUALITY_VALID=0
+    DISABLED_IN_PAM=1
+
+    for file in /etc/security/pwquality.conf /etc/security/pwquality.conf.d/*.conf; do
+        if grep -Psi -- '^\h*enforcing\h*=\h*0\b' "$file" >/dev/null 2>&1; then
+            QUALITY_VALID=1
+            break
+        fi
+    done
+
+    if grep -PHsi -- '^\h*password\h+[^#\n\r]+\h+pam_pwquality\.so\h+([^#\n\r]+\h+)?enforcing=0\b' /etc/pam.d/common-password >/dev/null; then
+        DISABLED_IN_PAM=0
+        QUALITY_VALID=1
+    fi
+
+    if [ "$QUALITY_VALID" -eq 0 ]; then
+        ok "password quality is enforced"
+    else
+        crit "password quality is not enforced"
+    fi
+
+}
+
+# This function will be called if the script status is on enabled mode
+apply() {
+    if [ "$QUALITY_VALID" -ne 0 ]; then
+        for file in /usr/share/pam-configs/* /etc/security/pwquality.conf; do
+            if grep -Psi -- '^\h*enforcing\h*=\h*0\b' "$file" >/dev/null 2>&1; then
+                info "Commenting 'enforcing=0' in $file"
+                sed -ri 's/^\s*enforcing\s*=\s*0/# &/' "$file"
+            fi
+        done
+    fi
+
+    if [ "$DISABLED_IN_PAM" -ne 1 ]; then
+        info "Removing 'enforcing=0' in /etc/pam.d/common-password"
+        sed -E -i 's/enforcing[[:space:]]?=[[:space:]]?0//g' /etc/pam.d/common-password
+    fi
+
+}
+
+# This function will check config parameters required
+check_config() {
+    :
+}
+
+# Source Root Dir Parameter
+if [ -r /etc/default/cis-hardening ]; then
+    # shellcheck source=../../debian/default
+    . /etc/default/cis-hardening
+fi
+if [ -z "$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