harbian-audit/bin/hardening/5.4_disable_ctrl_alt_del_ta...

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#!/bin/bash
#
# harbian-audit for Debian GNU/Linux 9 or CentOS Hardening
#
#
# 5.4 Ensure ctrl-alt-del is disabled (Scored)
# Author : 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 -c "/dev/null") -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 {} \;| 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