debian-cis/bin/hardening/1.5.2_bootloader_password.sh
P-EB 32886d3a3d
Replace CIS_ROOT_DIR by a more flexible system (#204)
* Replace CIS_ROOT_DIR by a more flexible system

* Try to adapt the logic change to the functional tests
2023-09-25 14:24:01 +02:00

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#!/bin/bash
# run-shellcheck
#
# CIS Debian Hardening
#
#
# 1.5.2 Ensure bootloader password is set (Scored)
#
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="Setting bootloader password to secure boot parameters."
FILE='/boot/grub/grub.cfg'
USER_PATTERN="^set superusers"
PWD_PATTERN="^password_pbkdf2"
# This function will be called if the script status is on enabled / audit mode
audit() {
does_pattern_exist_in_file "$FILE" "$USER_PATTERN"
if [ "$FNRET" != 0 ]; then
crit "$USER_PATTERN not present in $FILE"
else
ok "$USER_PATTERN is present in $FILE"
fi
does_pattern_exist_in_file "$FILE" "$PWD_PATTERN"
if [ "$FNRET" != 0 ]; then
crit "$PWD_PATTERN not present in $FILE"
else
ok "$PWD_PATTERN is present in $FILE"
fi
}
# This function will be called if the script status is on enabled mode
apply() {
does_pattern_exist_in_file "$FILE" "$USER_PATTERN"
if [ "$FNRET" != 0 ]; then
warn "$USER_PATTERN not present in $FILE, please configure password for grub"
else
ok "$USER_PATTERN is present in $FILE"
fi
does_pattern_exist_in_file "$FILE" "$PWD_PATTERN"
if [ "$FNRET" != 0 ]; then
warn "$PWD_PATTERN not present in $FILE, please configure password for grub"
else
ok "$PWD_PATTERN is present in $FILE"
fi
}
# This function will check config parameters required
check_config() {
is_pkg_installed "grub-common"
if [ "$FNRET" != 0 ]; then
warn "Grub is not installed, not handling configuration"
exit 2
fi
if [ "$FNRET" != 0 ]; then
crit "$FILE does not exist"
exit 2
fi
}
# 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