#!/sbin/runscript
# Copyright 1999-2004 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/net-mail/xmail/files/xmail.initd,v 1.5 2004/03/06 03:24:16 vapier Exp $

depend() {
	need net logger
	use dns
}

checkconfig() {
	if [ "$MAIL_NAME" == "" ] ; then
		eerror "MAIL_NAME not set - check your /etc/conf.d/xmail file."
	fi
	if [ "$MAIL_ROOT" == "" ] ; then
		eerror "MAIL_ROOT not set - check your /etc/conf.d/xmail file."
	fi
	if [ "$MAIL_PID" == "" ] ; then
		eerror "MAIL_PID not set - check your /etc/conf.d/xmail file."
	fi
	if [ "$MAIL_CMD_LINE" == "" ] ; then
		eerror "MAIL_CMD_LINE not set - check your /etc/conf.d/xmail file."
	fi
	if [ "$MAIL_EXEC" == "" ] ; then
		eerror "MAIL_EXEC not set - check your /etc/conf.d/xmail file."
	fi
	if [ ! -f ${CHROOT}${MAIL_EXEC} ] ; then
		eerror "$MAIL_EXEC not found!"
	fi
	set -e
	ulimit -c 20000
	
	
}

start() {
	checkconfig || return 1
	ebegin "Starting $MAIL_NAME"
	CHROOT=`sed -n 's/^[[:blank:]]\?CHROOT="\([^"]\+\)"/\1/p' /etc/conf.d/xmail 2>/dev/null`
	EXIST="no"

	if [ -z "${CHROOT}" -a ! -d "/chroot/xmail" ]; then
		CHROOT="/chroot/xmail"
	elif [ -d ${CHROOT} ]; then
		EXISTS="yes"
	fi

	if [ ! "$EXISTS" = yes ]; then
		einfo; einfo "Setting up the chroot directory..."
		mkdir -m 700 -p ${CHROOT}
	fi

	for subdir in dev lib var/run var/MailRoot tmp
	do
		if [ ! -d ${CHROOT}${subdir} ]
		then
			mkdir -p ${CHROOT}/${subdir}
		fi
	done
	
	if [ ! -c ${CHROOT}/dev/null ]
	then
		mknod ${CHROOT}/dev/null c `\
		ls -Ll /dev/null |\
		awk '{print sub(",","",$5) " " $6}'`
	fi
		
	cp -R -u /etc/xmail/* ${CHROOT}${MAIL_ROOT}

	chown -R xmail:xmail ${CHROOT}

	cp `ldd ${CHROOT}${MAIL_ROOT}/bin/XMail |\
	sed -n 's/[[:blank:]]*[^=]*=>\([^(]*\).*/\1/p'` ${CHROOT}/lib/
	start-stop-daemon --start -c xmail -r ${CHROOT} \
		--startas ${MAIL_EXEC} --pidfile=${MAIL_PID} -- \
		${MAIL_CMD_LINE} 
	/sbin/iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 110 -j REDIRECT --to-ports 29110
	/sbin/iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 25 -j REDIRECT --to-ports 29025
	/sbin/iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 79 -j REDIRECT --to-ports 29079

	eend $? "Failed to start $MAIL_NAME"
}

stop() {
	ebegin "Stopping $MAIL_NAME"
	/sbin/iptables -t nat -D PREROUTING -i eth0 -p tcp --dport 110 -j REDIRECT --to-ports 29110
	/sbin/iptables -t nat -D PREROUTING -i eth0 -p tcp --dport 25 -j REDIRECT --to-ports 29025
	/sbin/iptables -t nat -D PREROUTING -i eth0 -p tcp --dport 79 -j REDIRECT --to-ports 29079
	start-stop-daemon --stop --quiet --pidfile=${CHROOT}${MAIL_PID} --name $MAIL_NAME --retry 120 --oknodo --signal 2
	
	cd ${CHROOT}${MAIL_ROOT}
	for i in *\.tab
	do
		cp -u -f $i /etc/xmail/ 
	done
	eend $? "Failed to stop $MAIL_NAME"
}