#!/bin/sh

DEBUG=1
DEBUG=

SPAMD_ROOT=/usr/local/debug/mail/spamassassin

[ -f ${SPAMD_ROOT}/rc.conf.sa.default ] && . ${SPAMD_ROOT}/rc.conf.sa.default
[ -f ${SPAMD_ROOT}/rc.conf.sa ] && . ${SPAMD_ROOT}/rc.conf.sa

[ -f /etc/rc.conf ] && . /etc/rc.conf
PID_FILE=${spamd_pidfile}
[ -z "${PID_FILE}" ] && PID_FILE=${SPAMD_PID}
[ ! -z "${DEBUG}" ] && echo "PID_FILE: ${PID_FILE}"

[ -f /opt/csw/lib/svc/method/svc-spamd ] && INIT_SCRIPT="/opt/csw/lib/svc/method/svc-spamd"
[ -f /etc/rc.spamd ] && INIT_SCRIPT="/etc/rc.spamd"
[ -f /usr/local/etc/rc.d/sa-spamd.sh ] && INIT_SCRIPT="/usr/local/etc/rc.d/sa-spamd.sh"
[ -f /usr/local/etc/rc.d/sa-spamd ] && INIT_SCRIPT="/usr/local/etc/rc.d/sa-spamd"
[ -f /etc/rc.d/init.d/spamassassin ] && INIT_SCRIPT="/etc/rc.d/init.d/spamassassin"
[ -f /sbin/service ] && INIT_SCRIPT="/sbin/service spamassassin"

[ -z "${INIT_SCRIPT}" ] && (echo "spamd startup script not found" ; exit 255)

[ -f /usr/bin/grep ] && GREP=/usr/bin/grep
[ -f /bin/grep ] && GREP=/bin/grep
[ -z "${GREP}" ] && GREP=`which grep 2>/dev/null`
[ -z "${GREP}" ] && (echo "grep not found" ; exit 255)

PS="/bin/ps axuw"
[ "`uname`" = "OpenBSD" ] && PS="/bin/ps -axuw"
[ "`uname`" = "SunOS" ] && PS="/bin/ps -lef"

CHECK_LISTENER="netstat -napl | grep :783"
[ "`uname`" = "FreeBSD" ] && CHECK_LISTENER="echo '' |  nc localhost 783"


NEED_RESTART=
if [ ! -f ${PID_FILE} ] ; then
    NEED_RESTART=YES
    echo "couldn't find pid file ${PID_FILE}"
else
    PID=`/bin/cat ${PID_FILE} | /usr/bin/head -n 1`
    if [ -z "${PID}" ] ; then
	NEED_RESTART=YES
	echo "empty pid file ${PID_FILE}"
    else
	if [ -z "`${PS} | ${GREP} \" ${PID} \" | ${GREP} -v grep`" ] ; then
	    NEED_RESTART=YES
	    echo "couldn't find spamd process"
	else
	    if [ -z "`sockstat -4 -l | grep :783`" ] ; then
		NEED_RESTART=YES
		echo "nobody listen port 783 on lopback interface"
	    else
		SOCKET_OUTPUT=`${CHECK_LISTENER}`
		RETVAL=$?
		if [ ! $RETVAL -eq 0 ] ; then
		    NEED_RESTART=YES
		    echo "non zero return code from spamd socket"
		else
		    if [ -z "${SOCKET_OUTPUT}" ] ; then
			NEED_RESTART=YES
			echo "empty output from spamd socket"
		    fi
		fi
	    fi
	fi
    fi
fi
exit
if [ ! -z "${NEED_RESTART}" ] ; then
    [ ! -z "${DEBUG}" ] && echo "> ${INIT_SCRIPT} stop >/dev/null"
    ${INIT_SCRIPT} stop >/dev/null
    [ ! -z "${DEBUG}" ] && echo "> sleep 1"
    /bin/sleep 1
    [ ! -z "${DEBUG}" ] && echo "> ${INIT_SCRIPT} start"
    ${INIT_SCRIPT} start
fi