Damcava35/deb12 scripts 5 (#289)

* refacto: systemd is-active / is-enabled

Manage different object types (service, socket, timer...) in a generic way.

* feat: add debian12 scripts

ufw_is_installed.sh				-> 4.1.1
iptables_persistent_is_not_installed.sh		-> 4.1.2
ufw_is_enabled					-> 4.1.3
nftables_not_installed_with_iptables.sh		-> 4.3.1.2
libpam_runtime_is_version 			-> 5.3.1.1

---------

Co-authored-by: damien cavagnini <damien.cavagnini@corp.ovh.com>

bin/hardening/nftables_not_installed_with_iptables.sh

@@ -0,0 +1,74 @@
+#!/bin/bash
+
+# run-shellcheck
+#
+# CIS Debian Hardening
+#
+
+#
+# Ensure nftables is not installed with iptables (Automated)
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+# shellcheck disable=2034
+HARDENING_LEVEL=2
+DESCRIPTION="Ensure nftables is not installed with iptables"
+PACKAGE='nftables'
+CONFLICT_PACKAGE='iptables'
+
+# This function will be called if the script status is on enabled / audit mode
+audit() {
+    PACKAGE_INSTALLED=1
+    CONFLICT_PACKAGE_INSTALLED=1
+
+    is_pkg_installed "$PACKAGE"
+    if [ "$FNRET" -eq 0 ]; then
+        PACKAGE_INSTALLED=0
+    fi
+
+    is_pkg_installed "$CONFLICT_PACKAGE"
+    if [ "$FNRET" -eq 0 ]; then
+        CONFLICT_PACKAGE_INSTALLED=0
+    fi
+
+    if [ "$PACKAGE_INSTALLED" -eq 0 ] && [ "$CONFLICT_PACKAGE_INSTALLED" -eq 0 ]; then
+        crit "'$PACKAGE' is installed with '$CONFLICT_PACKAGE'"
+    else
+        ok "'$PACKAGE' is not installed with '$CONFLICT_PACKAGE'"
+    fi
+}
+
+# This function will be called if the script status is on enabled mode
+apply() {
+    if [ "$PACKAGE_INSTALLED" -eq 0 ] && [ "$CONFLICT_PACKAGE_INSTALLED" -eq 0 ]; then
+        info "Trying to remove $PACKAGE"
+        apt_remove "$PACKAGE"
+    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