#!/bin/sh
#
# dbmail init script for debian
#
# written by Paul J Stevens, 2004-2006
#
#
### BEGIN INIT INFO
# Provides:          dbmail
# Required-Start:    $local_fs $remote_fs $syslog $network
# Required-Stop:     $local_fs $remote_fs $syslog $network
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start dbmail services
# Description:       Run network services provided by dbmail such as
#                    imap-server, pop3-server, lmtp-server, timsieve-server
### END INIT INFO


PATH=/sbin:/bin:/usr/sbin:/usr/bin

IMAPD=/usr/local/sbin/dbmail-imapd
POP3D=/usr/local/sbin/dbmail-pop3d
LMTPD=/usr/local/sbin/dbmail-lmtpd
SIEVE=/usr/local/sbin/dbmail-timsieved

IMAPD_NAME=dbmail-imapd
POP3D_NAME=dbmail-pop3d
LMTPD_NAME=dbmail-lmtpd
SIEVE_NAME=dbmail-timsieved

NAME="dbmail"

PID_DIR="/var/run/$NAME/"

DESC="dbmail servers"

test -x $IMAPD || exit 0
test -x $POP3D || exit 0
test -x $LMTPD || exit 0

set -e

. /lib/lsb/init-functions

[ -e /etc/default/dbmail ] && . /etc/default/dbmail

if [ ! -d ${PID_DIR} ]; then
        mkdir -p -m 0755 ${PID_DIR}
        chown dbmail:dbmail ${PID_DIR}
fi

service_start() {
        eval '_daemon=$'$1
        eval '_name=$'$1'_NAME'
        [ -e $_daemon ] || return 0

        log_progress_msg "$_name"
        start-stop-daemon --start --exec $_daemon

        r=$?
        if [ $r -gt 0 ]; then
                log_failure_msg "failed"
                return $r
        fi

        return 0

}


service_stop() {
        eval '_daemon=$'$1
        eval '_name=$'$1'_NAME'

        log_progress_msg "$_name"
        start-stop-daemon --stop --retry 10 \
                --pidfile ${PID_DIR}/${_name}.pid >/dev/null 2>&1 || true

        pidof ${_name} >/dev/null 2>&1 || return 0
        # try harder
        echo -n "."
        killall ${_name} >/dev/null 2>&1 || true
        sleep 4
        pidof ${_name} >/dev/null 2>&1 || return 0
        echo -n "."
        killall -9 ${_name} >/dev/null 2>&1 || true
        sleep 2
        pidof ${_name} >/dev/null 2>&1 || return 0
        echo -n "."
        log_failure_msg "failed"
        return 1

}

service_reload() {
        eval '_daemon=$'$1
        eval '_name=$'$1'_NAME'

        log_progress_msg "$_name"
        start-stop-daemon --stop --signal HUP --quiet --pidfile ${PID_DIR}/${_name}.pid

        r=$?
        if [ $r -gt 0 ]; then
                log_failure_msg "failed"
                return $r
        fi

        return 0

}

case "$1" in
  start)
        log_daemon_msg "Starting $DESC"
        r=0
        if [ "$START_IMAPD" ]; then service_start "IMAPD" || r=1; fi
        if [ "$START_POP3D" ]; then service_start "POP3D" || r=1; fi
        if [ "$START_LMTPD" ]; then service_start "LMTPD" || r=1; fi
        if [ "$START_SIEVE" ]; then service_start "SIEVE" || r=1; fi
        log_end_msg $r
        ;;

  stop)
        log_daemon_msg "Stopping $DESC"
        r=0
        if [ "$START_IMAPD" ]; then service_stop "IMAPD" || r=1; fi
        if [ "$START_POP3D" ]; then service_stop "POP3D" || r=1; fi
        if [ "$START_LMTPD" ]; then service_stop "LMTPD" || r=1; fi
        if [ "$START_SIEVE" ]; then service_stop "SIEVE" || r=1; fi
        log_end_msg $r
        ;;

  reload)
        log_daemon_msg "Reloading $DESC"
        r=0
        if [ "$START_IMAPD" ]; then service_reload "IMAPD" || r=1; fi
        if [ "$START_POP3D" ]; then service_reload "POP3D" || r=1; fi
        if [ "$START_LMTPD" ]; then service_reload "LMTPD" || r=1; fi
        if [ "$START_SIEVE" ]; then service_reload "SIEVE" || r=1; fi
        log_end_msg $r
        ;;

  restart|force-reload)
        $0 stop
        $0 start
        ;;
  imapd|pop3d|lmtpd|sieve)
        s=`echo $1 | tr '[a-z]' '[A-Z]'`;
        case "$2" in
            start)
                log_daemon_msg "Starting $1"
                r=0
                service_start "${s}" || r=1;
                log_end_msg $r
                ;;
            stop)
                log_daemon_msg "Stopping $1"
                r=0
                service_stop "${s}" || r=1;
                log_end_msg $r
                ;;
              reload)
                log_daemon_msg "Reloading $1"
                r=0
                service_reload "${s}" || r=1;
                log_end_msg $r
                ;;
              restart|force-reload)
                $0 $1 stop
                $0 $1 start
                ;;
              *)
                N="$NAME"
                echo "Usage: $N [imapd|pop3d|lmtpd|sieve] {start|stop|restart|reload|force-reload}" >&2
                exit 1
                ;;
        esac
        ;;
  *)
        N="$NAME"
        echo "Usage: $N [imapd|pop3d|lmtpd|sieve] {start|stop|restart|reload|force-reload}" >&2
        exit 1
        ;;
esac

exit 0