#! /bin/bash
#
# description: clamd is a standard UNIX program that scans for Viruses.

mkdir -p /var/lock/subsys
mkdir -p /run/clamav
chown clamav:clamav /run/clamav

ppid="/run/clamav/clamd.pid"
prog="/usr/sbin/clamd"

sprog="/usr/sbin/clamsmtpd"
sconf="/etc/clamsmtpd.conf"

mpid="/run/clamav/clamav-milter.pid"
mprog="/usr/sbin/clamav-milter"
mconf="/etc/clamav/clamav-milter.conf"

start() {
	echo -n "Starting ClamAV: "
	# Make sure these excist, /var/run might be on a tmpfs
	/usr/bin/mkdir -p /run/clamav
	/usr/bin/chown clamav:clamav /run/clamav

	if [ ! -f $ppid ]; then
            $prog >/dev/null
	    if [ $? -eq 0 ]; then
	    	echo -n "$prog "
		# Wait until clamd is fully running.
	    	while [ ! -f $ppid ]
	    	do
		    sleep 1
	    	done
		if [ -x $mprog -a -f $mconf ]; then
		    $mprog >/dev/null
		    echo -n "$mprog "
	        fi
	 	if [ -x $sprog -a -f $sconf ]; then
		    $sprog -f $sconf
		    echo -n "$sprog "
	    	fi
	    fi
	fi
        echo
        touch /var/lock/subsys/clamd
}

stop() {
        echo -n "Stopping ClamAV: "
	if [ -f $ppid ]; then
	    # clamsmtp
	    if [ -x $sprog -a -f $sconf ]; then
		SPID=$( /sbin/pidof $sprog )
		if [ ! -z "$SPID" ]; then
		    /bin/kill $SPID
		    echo -n "$sprog "
		fi
	    fi
	    # clamav-milter
	    if [ -x $mprog -a -f $mconf ]; then
		/bin/kill $( /usr/bin/cat $mpid )
		echo -n "$mprog "
	    fi
	    /bin/kill $( /usr/bin/cat $ppid )
	    echo -n "$prog "
#	    while [ -f $ppid ]
#	    do
#	    	sleep 1
#	    done
	fi
        rm -f /var/lock/subsys/clamd
}

restart() {
        stop
	while [ -f $ppid ];
            do
                sleep 1
		echo -n '.'
            done
	echo
        start
}

reload() {
        echo -n "Reloading clam daemon configuration: "
	if [ -f $ppid ]; then
            /bin/kill -HUP $( /usr/bin/cat $ppid )
	fi
}

case "$1" in
  start)
        start
        ;;
  stop)
        stop
	echo
        ;;
  restart)
        restart
        ;;
  reload)
        reload
        ;;
  *)
        echo $"Usage: $0 {start|stop|reload|restart}"
esac

exit 0