#! /bin/bash -e
### BEGIN INIT INFO
# Short-Description: Courier IMAP server
# Provides:          courier-imap
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Description:       courier-imap is an IMAP Mail Delivery Agent.
### END INIT INFO
prefix="/usr"
exec_prefix=${prefix}
sysconfdir="/etc/courier"
bindir="${exec_prefix}/bin"
sbindir="${exec_prefix}/sbin"
libexecdir="${prefix}/lib/courier"
TCPD="${sbindir}/couriertcpd"
run_dir="/var/run/courier"
calendar_dir="/var/run/courier/calendar"
DAEMON="imapd"
PROGRAM="Courier IMAP server"
SSLCONFIG=

. /lib/lsb/init-functions

# first of all check if daemon is available
if ! [ -x "${bindir}/imapd" ]; then
	exit 0
fi

if [ ! -d ${run_dir} ]; then
        mkdir -p ${run_dir}
        chown daemon:daemon ${run_dir}
fi

if [ ! -d ${calendar_dir} ]; then
        mkdir -p ${calendar_dir}
        chown daemon:daemon ${calendar_dir}
fi


if ! [ -x $TCPD ]; then
  log_failure_msg "ERR: $TCPD missing"
  exit 1
fi

if ! [ -f ${sysconfdir}/$DAEMON ]; then
  log_failure_msg "ERR: config file missing"
  exit 1
fi

# read/set defaults
if [ -f /etc/default/courier ]; then
	. /etc/default/courier
fi
# ensure that maildirpath is set
if [ -z "$MAILDIRPATH" ]; then
	MAILDIRPATH=Maildir
fi

if [ -f "${sysconfdir}/imapd-ssl" ]; then
	. "${sysconfdir}/imapd-ssl"
	SSLCONFIG=1
fi
. ${sysconfdir}/$DAEMON

# ensure that umask is set
if [ -z "$IMAP_UMASK" ]; then
	IMAP_UMASK=022
fi

START=no
case "$IMAPDSTART" in
	[yY]*)START=yes;;
esac

case "$1" in
start)
  if [ "$START" = "yes" ]; then
    log_begin_msg "Starting $PROGRAM..."

	umask $IMAP_UMASK
    ulimit -v $IMAP_ULIMITD
    /usr/bin/env - /bin/sh -c " set -a; \
		bindir=${bindir}; \
		. ${sysconfdir}/imapd; \
		if [ "$SSLCONFIG" ]; then . ${sysconfdir}/imapd-ssl; fi; \
		IMAP_STARTTLS=$IMAPDSTARTTLS ; export IMAP_STARTTLS ; \
		PROXY_HOSTNAME=$PROXY_HOSTNAME; 
		TLS_PROTOCOL=$TLS_STARTTLS_PROTOCOL ; \
		/usr/sbin/courierlogger -pid=$PIDFILE -start $LOGGEROPTS \
		$TCPD -address=$ADDRESS \
			-maxprocs=$MAXDAEMONS -maxperip=$MAXPERIP \
			$TCPDOPTS \
			$PORT ${libexecdir}/courier/imaplogin \
				${bindir}/imapd $MAILDIRPATH"
    log_end_msg 0
  fi
	;;
stop)
  log_begin_msg "Stopping $PROGRAM..."
  /usr/sbin/courierlogger -pid=$PIDFILE -stop || log_end_msg 1
  log_end_msg 0
	;;
restart | force-reload)
  $0 stop
  $0 start
	;;
*)
  log_success_msg "Usage: $0 {start|stop|restart|reload|force-reload}"
  exit 1
  ;;
esac
exit 0