File rkhunter-systemd.sh of Package rkhunter

#!/bin/bash
#
# SPDX-License-Identifier: GPL-2.0
#
# Systemd timer script for rkhunter.
# Based on Lars Vogdt script for cron
#
PATH="/bin:/usr/bin:/usr/lib/rkhunter/scripts"
RKHUNTER="/usr/bin/rkhunter"
LOGFILE="/var/log/rkhunter.log"
NICE="0"
OPTIONS=(--no-mail-on-warning --cronjob --report-warnings-only --append-log --pkgmgr "RPM")

if [ -z "${REPORT_EMAIL}" ]
then
    REPORT_EMAIL="root"
fi

if [ -z "${LOGFILE}" ]
then
    LOGFILE="/var/log/rkhunter.log"
fi

if [ ! -x $RKHUNTER ]; then
    echo "$RKHUNTER not found or not executable" >&2
    exit 1
fi

NAME=$(hostnamectl hostname)
SUMMARY="Subject: [rkhunter] Warnings for $NAME"
OUTFILE=$(mktemp /var/tmp/rkhunter-cron.XXXXXX) || exit 1

nice -n $NICE $RKHUNTER "${OPTIONS[@]}" --createlogfile "$LOGFILE" >> "$OUTFILE"

if [ "$(stat -c %s "$OUTFILE")" -ne 0 ]
then
    (
        echo "To: $REPORT_EMAIL"
        echo "$SUMMARY"
        echo ""
        cat "$OUTFILE"
    ) | /usr/sbin/sendmail $REPORT_EMAIL
fi

rm -f "$OUTFILE"
exit 0