#!/bin/sh

RKHUNTER=/usr/bin/rkhunter

test -x $RKHUNTER || exit 0

# source our config
. /etc/default/rkhunter

if [ -z "$NICE" ]; then
    NICE=0
fi

if [ -z "$RUN_CHECK_ON_BATTERY" ]; then
    RUN_CHECK_ON_BATTERY="false"
fi

# Do not run daily check if running on battery except if explicitely allowed
case "$RUN_CHECK_ON_BATTERY" in
    [NnFf]*)
        if [ -x /usr/bin/on_ac_power ]; then
            on_ac_power >/dev/null 2>&1
            [ $? -eq 1 ] && exit 0
        fi
esac

case "$CRON_DAILY_RUN" in
    [YyTt]*)
        OUTFILE=`mktemp` || exit 1
        /usr/bin/nice -n $NICE $RKHUNTER --cronjob --report-warnings-only --appendlog > $OUTFILE
        if [ -s "$OUTFILE" -a -n "$REPORT_EMAIL" ]; then
          (
            echo "Subject: [rkhunter] $(hostname) - Daily report"
            echo "To: $REPORT_EMAIL"
            echo ""
            cat $OUTFILE
          ) | /usr/sbin/sendmail $REPORT_EMAIL
        fi
        rm -f $OUTFILE
        ;;
      *)
       exit 0
       ;;
esac