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debian-cis/bin/hardening/1.1.1.4_disable_hfsplus.sh

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#!/bin/bash
# run-shellcheck
#
# CIS Debian Hardening
#
#
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# 1.1.1.4 Ensure mounting of hfsplus filesystems is disabled (Scored)
#
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="Disable mounting of hfsplus filesystems."
KERNEL_OPTION="CONFIG_HFSPLUS_FS"
MODULE_NAME="hfsplus"
# This function will be called if the script status is on enabled / audit mode
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audit() {
if [ "$IS_CONTAINER" -eq 1 ]; then
# In an unprivileged container, the kernel modules are host dependent, so you should consider enforcing it
ok "Container detected, consider host enforcing or disable this check!"
else
is_kernel_option_enabled "$KERNEL_OPTION" "$MODULE_NAME" "($MODULE_NAME|install)"
if [ "$FNRET" = 0 ]; then # 0 means true in bash, so it IS activated
crit "$MODULE_NAME is enabled!"
else
ok "$MODULE_NAME is disabled"
fi
fi
}
# This function will be called if the script status is on enabled mode
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apply() {
if [ "$IS_CONTAINER" -eq 1 ]; then
# In an unprivileged container, the kernel modules are host dependent, so you should consider enforcing it
ok "Container detected, consider host enforcing!"
else
is_kernel_option_enabled "$KERNEL_OPTION" "$MODULE_NAME" "($MODULE_NAME|install)"
if [ "$FNRET" = 0 ]; then # 0 means true in bash, so it IS activated
warn "I cannot fix $MODULE_NAME, recompile your kernel or blacklist module $MODULE_NAME (/etc/modprobe.d/blacklist.conf : +install $MODULE_NAME /bin/true)"
else
ok "$MODULE_NAME is disabled"
fi
fi
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ -r /etc/default/cis-hardening ]; then
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# shellcheck source=../../debian/default
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. /etc/default/cis-hardening
fi
if [ -z "$CIS_LIB_DIR" ]; then
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echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
echo "Cannot source CIS_LIB_DIR variable, aborting."
exit 128
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
if [ -r "${CIS_LIB_DIR}"/main.sh ]; then
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# 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