#!/bin/sh
#
# postfix	This shell script takes care of starting and stopping
#		postfix.
#
# chkconfig:	345 80 20
#
# description:	Postfix is a Mail Transport Agent, which is the program \
#		that moves mail from one machine to another.


# Source function library
. /etc/rc.d/init.d/functions

# Get network config
. /etc/sysconfig/network

# Get service config
[ -f /etc/sysconfig/postfix ] && . /etc/sysconfig/postfix

# Check that networking is up.
networking_check() {
	if is_yes "${NETWORKING}"; then
		if [ ! -f /var/lock/subsys/network -a "$1" != stop -a "$1" != status ]; then
			msg_network_down "Postfix"
			exit 1
		fi
	else
		exit 0
	fi
}

start() {
	if [ -f /var/lock/subsys/postfix ]; then
		msg_already_running "Postfix"
		return
	fi

	local msg
	msg_starting "Postfix"
	busy
	_daemon_set_ulimits
	msg=$(nice -n ${SERVICE_RUN_NICE_LEVEL:-${DEFAULT_SERVICE_RUN_NICE_LEVEL:-0}} /usr/sbin/postfix start 2>&1)
	RETVAL=$?
	if [ $RETVAL -eq 0 ]; then
		ok
		touch /var/lock/subsys/postfix
	else
		fail
		echo >&2 "$msg"
	fi
}

stop() {
	if [ ! -f /var/lock/subsys/postfix ]; then
		msg_not_running "Postfix"
		return
	fi

	local msg
	msg_stopping "Postfix"
	busy
	msg=$(/usr/sbin/postfix stop 2>&1)
	if [ $? -eq 0 ]; then
		ok
	else
		fail
		echo >&2 "$msg"
	fi
	rm -f /var/lock/subsys/postfix >/dev/null 2>&1
}

reload() {
	if [ ! -f /var/lock/subsys/postfix ]; then
		msg_not_running "Postfix"
		RETVAL=7
		return
	fi

	local msg
	msg_reloading "Postfix"
	busy
	msg=$(/usr/sbin/postfix reload 2>&1)
	RETVAL=$?
	if [ $RETVAL -eq 0 ]; then
		ok
	else
		fail
		echo >&2 "$msg"
		RETVAL=7
	fi
}

RETVAL=0
# See how we were called.
case "$1" in
  start)
  	networking_check
	start
	;;
  stop)
  	stop
	;;
  restart)
  	networking_check
	stop
	start
	;;
  reload|force-reload)
  	networking_check
	reload
	;;
  rebuilddb)
	standard_db="access canonical relocated transport virtual"
	extra_db=$(ls -1 /etc/mail/*.db 2> /dev/null | grep -Ev '/(access|canonical|relocated|transport|virtual|aliases)\.db$')

	echo -n "Rebuilding databases: "
	for base in $standard_db $extra_db; do
		db=$(basename "$base" .db)

		if [ -f /etc/mail/$db ]; then
			echo -n "$db "
			/usr/sbin/postmap hash:/etc/mail/$db < /etc/mail/$db
		fi
	done
	echo "...DONE"

	echo -n "Rebuilding aliases database"
	/usr/bin/newaliases
	echo "...DONE"
	;;
  status)
	status master
	exit $?
	;;
  *)
	msg_usage "$0 {start|stop|restart|reload|force-reload|rebuilddb|status}"
	exit 3
esac

exit $RETVAL