Beiträge von Michael

#! /bin/sh
### BEGIN INIT INFO
# Provides:          dovecot
# Required-Start:    $syslog
# Required-Stop:     $syslog
# Should-Start:      $local_fs $time ntp
# Should-Stop:       $local_fs
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Dovecot init script
# Description:       Init script for dovecot services
### END INIT INFO




# Author: Miquel van Smoorenburg <miquels@cistron.nl>.
#         Modified for Debian GNU/Linux
#         by Ian Murdock <imurdock@gnu.ai.mit.edu>.
#




# Do NOT "set -e"




# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DESC="IMAP/POP3 mail server"
NAME=dovecot
DAEMON=/usr/sbin/dovecot
DAEMON_ARGS=""
SCRIPTNAME=/etc/init.d/$NAME
CONF=/etc/dovecot/${NAME}.conf




# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME




# Exit if the package is not installed
[ -x '$DAEMON' ] || exit 0




# Exit if the configuration file doesn't exist
[ -f '$CONF' ] || exit 0




# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh




# Define LSB log_* functions.
# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
. /lib/lsb/init-functions




# cong file readable?
if [ ! -r ${CONF} ]; then
  [ '$VERBOSE' != no ] && log_daemon_msg "${CONF}: not readable" "$NAME" \
    && log_end_msg 1;
  exit 1;
fi




# The init script should do nothing if dovecot or another imap/pop3 server
# is being run from inetd, and dovecot is configured to run as an imap or
# pop3 service
for p in `sed -r "s/^ *(([^:]+|\[[^]]+]|\*):)?(pop3s?|imaps?)[ \t].*/\3/;t;d" \
  /etc/inetd.conf`
do
  for q in `sed -r "s/^[ \t]*protocols[ \t]*=[ \t]*(([^\']*)|\"(.*)\")/\2\3/;t;d" \
    ${CONF}`
  do
    if [ $p = $q ]; then
      exit 0
    fi
  done
done




# determine the location of the PID file
# overide by setting base_dir in conf file or PIDBASE in /etc/defaults/$NAME
PIDBASE=${PIDBASE:-`sed -r "s/^[ \t]*base_dir[ \t]*=[ \t]*([^ \t]*)/\1/;t;d" ${CONF}`}
PIDFILE=${PIDBASE:-/var/run/dovecot/}master.pid




#
# Function that starts the daemon/service
#
do_start()
{
    # Return
    #   0 if daemon has been started
    #   1 if daemon was already running
    #   2 if daemon could not be started
    start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test > /dev/null \
        || return 1
    start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- \
        $DAEMON_ARGS \
        || return 2
}




#
# Function that stops the daemon/service
#
do_stop()
{
    # Return
    #   0 if daemon has been stopped
    #   1 if daemon was already stopped
    #   2 if daemon could not be stopped
    #   other if a failure occurred
    start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --name ${DAEMON##*/}
    RETVAL="$?"
    [ '$RETVAL' = 2 ] && return 2
    # Wait for children to finish too if this is a daemon that forks
    # and if the daemon is only ever run from this initscript.
    # If the above conditions are not satisfied then add some other code
    # that waits for the process to drop all resources that could be
    # needed by services started subsequently.  A last resort is to
    # sleep for some time.
    start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --pidfile $PIDFILE --name ${DAEMON##*/}
    [ '$?' = 2 ] && return 2
    # Many daemons don't delete their pidfiles when they exit.
    rm -rf $PIDFILE
    return "$RETVAL"
}




#
# Function that sends a SIGHUP to the daemon/service
#
do_reload() {
    #
    # If the daemon can reload its configuration without
    # restarting (for example, when it is sent a SIGHUP),
    # then implement that here.
    #
    start-stop-daemon --stop --signal USR1 --quiet --pidfile $PIDFILE --name $NAME
    return 0
}







case "$1" in
  start)
    [ '$VERBOSE' != no ] && log_daemon_msg "Starting $DESC" "$NAME"
    do_start
    case "$?" in
        0|1) [ '$VERBOSE' != no ] && log_end_msg 0 ;;
        2) [ '$VERBOSE' != no ] && log_end_msg 1 ;;
    esac
    ;;
  stop)
    [ '$VERBOSE' != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
    do_stop
    case "$?" in
        0|1) [ '$VERBOSE' != no ] && log_end_msg 0 ;;
        2) [ '$VERBOSE' != no ] && log_end_msg 1 ;;
    esac
    ;;
  reload|force-reload)
    log_daemon_msg "Reloading $DESC" "$NAME"
    do_reload
    log_end_msg $?
    ;;
  restart)
    #
    # If the "reload" option is implemented then remove the
    # 'force-reload' alias
    #
    log_daemon_msg "Restarting $DESC" "$NAME"
    do_stop
    case "$?" in
      0|1)
        do_start
        case "$?" in
            0) log_end_msg 0 ;;
            1) log_end_msg 1 ;; # Old process is still running
            *) log_end_msg 1 ;; # Failed to start
        esac
        ;;
      *)
        # Failed to stop
        log_end_msg 1
        ;;
    esac
    ;;
  *)
    #echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload}" >&2
    echo "Usage: $SCRIPTNAME {start|stop|restart|force-reload}" >&2
    exit 3
    ;;
esac




exit 0