#! /bin/sh
#
# ZMailer startup and maintenance commands
#
#	Copyright 1990 by Rayan S. Zachariassen, all rights reserved.
#	This will be free software, but only when it is finished.
#
#	Some hacking by Matti Aarnio, Copyright 1990-1998
#	Modified for Debian by Christoph Lameter 1997
#

PATH=/bin:/usr/bin:/sbin:/usr/sbin
if [ -d /usr/ucb ]; then
    PATH=$PATH:/usr/ucb
fi
FLAGS="defaults 50"
ZCONFIG=@ZMAILERCFGFILE@

# Sense how the  echo  works, it is either, or..
# There are POSIX echos, SysV echos, BSD echos...
case "`echo "foo\c"`" in
    foo)   eopt='' ; eeol='\c' ;;
    *)     eopt='-n' ; eeol='' ;;
esac

. $ZCONFIG || exit 1

case $POSTOFFICE in
    /*)	;;
    *)	echo "$0: panic!! can't initialize from $ZCONFIG"
	    exit 1
	    ;;
esac

cd $POSTOFFICE	# So that possible cores are there..

if [ ! -d $MAILBOX ]; then
    echo "$0: panic!!  MAILBOX-variable does not point to a directory!  Verify $ZCONFIG!"
    exit 1
fi

# set up the default arguments
if [ "$1" = "start" -o "$1" = "reload" -o $# = 0 ]; then
	set -$- router scheduler smtpserver
	echo $eopt "Starting Zmailer mail server: $eeol"
fi

KILL=

for op in $@
do
    shift

    case "$op" in
	stop|kill|nuke|kills|killr)	# print nothing
	    ;;
	*)
	    echo $eopt "${op} $eeol"
	    ;;
    esac
    case "$op" in
	router|outer)
	    case $KILL in
		-*)
		    if [ -f $POSTOFFICE/.pid.router ]; then
			$MAILBIN/router -k > /dev/null
	#	    else
	#		echo $eopt "(warning: no .pid.router file) $eeol"
		    fi
		    ;;
		*)
		    if [ -f $POSTOFFICE/.freeze ]; then
			echo "Sorry, Zmailer is frozen, won't start anything until thawed!"
			exit 0
		    fi
		    $MAILBIN/router $ROUTEROPTIONS
		    ;;
	    esac
	    ;;
	sched*|ched*)
	    case $KILL in
		-*)	kill $KILL -`cat $POSTOFFICE/.pid.scheduler` ;;
		*)
			if [ -f $POSTOFFICE/.freeze ]; then
			    echo "Sorry, Zmailer is frozen, won't start anything until thawed!"
			    exit 0
			fi
			cd $POSTOFFICE/transport
			# must send signal to scheduler to make it
			# stop reading the directory for new files
			PIDFILE=.pid.scheduler
			if [ -f ../$PIDFILE ]; then
			    PID=`cat ../$PIDFILE`
			    kill -TERM -$PID 2>/dev/null
	#		else
	#		    echo $eopt "(warning: no $PIDFILE file) $eeol"
			fi
			$MAILBIN/scheduler $SCHEDULEROPTIONS
			;;
	    esac
	    ;;
	smtp*|mtp*)
	    case $KILL in
		-*)	if [ -f $POSTOFFICE/.pid.smtpserver ]; then
			    kill $KILL `cat $POSTOFFICE/.pid.smtpserver`
	#		else
	#		    echo $eopt "(warning: no .pid.smtpserver file) $eeol"
			fi ;;
		*)
			if [ -f $POSTOFFICE/.freeze ]; then
			    echo "Sorry, Zmailer is frozen, won't start anything until thawed!"
			    exit 0
			fi
			cd / ; $MAILBIN/smtpserver $SMTPOPTIONS
			;;
	    esac
	    ;;
	newf*)
	    $MAILBIN/router -f $MAILBIN/newfqdnaliases
	    ;;
	newal*)
	    $MAILBIN/router -f $MAILBIN/newaliases
	    ;;
	new-route*)
	    $MAILBIN/newdb -l $MAILVAR/db/routes
	    ;;
	new-local*)
	    $MAILBIN/newdb -l $MAILVAR/db/localnames
	    ;;
	logsync)
	    if [ -f $POSTOFFICE/.pid.router ]; then
		pid=`cat $POSTOFFICE/.pid.router`
		kill -1 -$pid # SIGHUP the router GROUP
	    fi
	    if [ -f $POSTOFFICE/.pid.scheduler ]; then
		pid=`cat $POSTOFFICE/.pid.scheduler`
		kill -1 $pid # SIGHUP the scheduler PROCESS
	    fi
	    ;;
	stop|kill|nuke|kills|killr)
	    case $# in
		0)	exec $0 $op router scheduler smtpserver ;;
	    esac
	    case $op in
		kill|stop)
		    KILL="-TERM"
		    echo $eopt "Stopping Zmailer services: $eeol"
		    ;;
		nuke)
		    KILL="-KILL"
		    echo $eopt "Aborting Zmailer services: $eeol"
		    ;;
	    esac
	    ;;
	resubmit)
	    (cd $POSTOFFICE/deferred && mv -i [0-9]* ../router) 2> /dev/null
	    ;;
	bootclean)
	    rm -f $POSTOFFICE/.pid.* 2> /dev/null
	    ;;
	cleanup)
	    (cd $POSTOFFICE ;
	     find public -type f -mtime +2 -print | xargs rm -f
	     find postman -type f -mtime +7 -name '[0-9]*' -print | xargs rm -f
	    )
	    ;;
	freeze)
	    touch $POSTOFFICE/.freeze
	    ;;
	unfr*|thaw)
	    rm -f $POSTOFFICE/.freeze
	    ;;
	*)
	    echo "$0: unknown option: $op"
	    errflg=1
	    ;;
    esac
done

echo

case $errflg in
    1)	echo Usage: $0 "[ router | scheduler | smtpserver | stop | kill | resubmit | bootclean | cleanup | logsync | freeze | thaw ]"
	exit 1
	;;
esac
exit 0
