debian-cis/bin/hardening/2.2.2_disable_xwindow_system.sh
2020-11-23 17:10:37 +01:00

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#!/bin/bash
# run-shellcheck
#
# CIS Debian Hardening
#
#
# 2.2.2 Ensure the X Window system is not installed (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
HARDENING_LEVEL=3
DESCRIPTION="Ensure the X Window system is not installed."
HARDENING_EXCEPTION=x11
# Based on aptitude search '~Pxserver'
PACKAGES='xserver-xorg-core xserver-xorg-core-dbg xserver-common xserver-xephyr xserver-xfbdev tightvncserver vnc4server fglrx-driver xvfb xserver-xorg-video-nvidia-legacy-173xx xserver-xorg-video-nvidia-legacy-96xx xnest'
# This function will be called if the script status is on enabled / audit mode
audit () {
for PACKAGE in $PACKAGES; do
is_pkg_installed $PACKAGE
if [ $FNRET = 0 ]; then
crit "$PACKAGE is installed!"
else
ok "$PACKAGE is absent"
fi
done
}
# This function will be called if the script status is on enabled mode
apply () {
for PACKAGE in $PACKAGES; do
is_pkg_installed $PACKAGE
if [ $FNRET = 0 ]; then
crit "$PACKAGE is installed, purging it"
apt-get purge $PACKAGE -y
apt-get autoremove -y
else
ok "$PACKAGE is absent"
fi
done
}
# 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