debian-cis/bin/hardening/8.3.2_tripwire_cron.sh

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#!/bin/bash
#
# CIS Debian 7 Hardening
#
#
# 8.3.2 Implement Periodic Execution of File Integrity (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
FILES='/etc/crontab /etc/cron.d/*'
PATTERN='tripwire --check'
# This function will be called if the script status is on enabled / audit mode
audit () {
does_pattern_exists_in_file "$FILES" "$PATTERN"
if [ $FNRET != 0 ]; then
crit "$PATTERN not present in $FILES"
else
ok "$PATTERN present in $FILES"
fi
}
# This function will be called if the script status is on enabled mode
apply () {
does_pattern_exists_in_file "$FILES" "$PATTERN"
if [ $FNRET != 0 ]; then
warn "$PATTERN not present in $FILES, setting tripwire cron"
echo "0 10 * * * root /usr/sbin/tripwire --check > /dev/shm/tripwire_check 2>&1 " > /etc/cron.d/CIS_8.3.2_tripwire
else
ok "$PATTERN present in $FILES"
fi
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ ! -r /etc/default/cis-hardening ]; then
echo "There is no /etc/default/cis-hardening file, cannot source CIS_ROOT_DIR variable, aborting"
exit 128
else
. /etc/default/cis-hardening
if [ -z $CIS_ROOT_DIR ]; then
echo "No CIS_ROOT_DIR variable, aborting"
exit 128
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