debian-cis/bin/hardening/8.1.1.1_audit_log_storage.sh

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#!/bin/bash
#
# CIS Debian 7 Hardening
# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
#
#
# 8.1.1.1 Configure Audit Log Storage Size (Not Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
FILE='/etc/audit/auditd.conf'
PATTERN='max_log_file'
VALUE=5
# This function will be called if the script status is on enabled / audit mode
audit () {
does_file_exist $FILE
if [ $FNRET != 0 ]; then
crit "$FILE does not exist"
else
ok "$FILE exist, checking configuration"
does_pattern_exists_in_file $FILE "^$PATTERN[[:space:]]"
if [ $FNRET != 0 ]; then
crit "$PATTERN not present in $FILE"
else
ok "$PATTERN present in $FILE"
fi
fi
}
# This function will be called if the script status is on enabled mode
apply () {
does_file_exist $FILE
if [ $FNRET != 0 ]; then
warn "$FILE does not exist, creating it"
touch $FILE
else
ok "$FILE exist"
fi
does_pattern_exists_in_file $FILE "^$PATTERN[[:space:]]"
if [ $FNRET != 0 ]; then
warn "$PATTERN not present in $FILE, adding it"
add_end_of_file $FILE "$PATTERN = $VALUE"
else
ok "$PATTERN present in $FILE"
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