debian-cis/bin/hardening/8.0_enable_auditd_kernel.sh

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#!/bin/bash
#
# CIS Debian 7 Hardening
# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
#
#
# 8.0 Ensure CONFIG_AUDIT is enabled in your running kernel
#
set -e # One error, it's over
set -u # One variable unset, it's over
# Note : Not part of the CIS guide, but what's the point configuring a software not compatible with your kernel ? :)
KERNEL_OPTION="CONFIG_AUDIT"
# This function will be called if the script status is on enabled / audit mode
audit () {
is_kernel_option_enabled "^$KERNEL_OPTION="
if [ $FNRET = 0 ]; then # 0 means true in bash, so it IS activated
ok "$KERNEL_OPTION is enabled"
else
crit "$KERNEL_OPTION is disabled, auditd will not work"
fi
:
}
# This function will be called if the script status is on enabled mode
apply () {
is_kernel_option_enabled "^$KERNEL_OPTION="
if [ $FNRET = 0 ]; then # 0 means true in bash, so it IS activated
ok "$KERNEL_OPTION is enabled"
else
warn "I cannot fix $KERNEL_OPTION disabled, to make auditd work, recompile your kernel please"
fi
:
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ ! -r /etc/default/cis-hardenning ]; then
echo "There is no /etc/default/cis-hardenning file, cannot source CIS_ROOT_DIR variable, aborting"
exit 128
else
. /etc/default/cis-hardenning
if [ -z $CIS_ROOT_DIR ]; then
echo "No CIS_ROOT_DIR variable, aborting"
fi
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
[ -r $CIS_ROOT_DIR/lib/main.sh ] && . $CIS_ROOT_DIR/lib/main.sh