mdw@git.distorted.org.uk Git - udpkey/blob - debian/udpkey.init

   1 #! /bin/sh
   2 ### BEGIN INIT INFO
   3 # Provides:          udpkey
   4 # Required-Start:    $remote_fs $syslog
   5 # Required-Stop:     $remote_fs $syslog
   6 # Default-Start:     2 3 4 5
   7 # Default-Stop:      0 1 6
   8 # Short-Description: Provide boot keys to remote systems
   9 ### END INIT INFO
  10
  11 # Author: Mark Wooding <mdw@distorted.org.uk>
  12
  13 # PATH should only include /usr/* if it runs after the mountnfs.sh script
  14 PATH=/sbin:/usr/sbin:/bin:/usr/bin
  15 DESC="Boot key daemon"
  16 NAME=udpkey
  17 DAEMON=/usr/bin/$NAME
  18 PORT=59274
  19 PIDFILE=/var/run/$NAME.pid
  20 USER=udpkey
  21 DAEMON_ARGS="-ld -k/etc/udpkey/keyring -p$PIDFILE"
  22 SCRIPTNAME=/etc/init.d/$NAME
  23 UDPKEY_DAEMON=no
  24
  25 # Exit if the package is not installed
  26 [ -x "$DAEMON" ] || exit 0
  27
  28 # Read configuration variable file if it is present
  29 [ -r /etc/default/$NAME ] && . /etc/default/$NAME
  30 case $UDPKEY_DAEMON in yes) ;; *) exit 0 ;; esac
  31
  32 # Load the VERBOSE setting and other rcS variables
  33 . /lib/init/vars.sh
  34
  35 # Define LSB log_* functions.
  36 # Depend on lsb-base (>= 3.2-14) to ensure that this file is present
  37 # and status_of_proc is working.
  38 . /lib/lsb/init-functions
  39
  40 #
  41 # Function that starts the daemon/service
  42 #
  43 do_start()
  44 {
  45         # Return
  46         #   0 if daemon has been started
  47         #   1 if daemon was already running
  48         #   2 if daemon could not be started
  49         start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test > /dev/null \
  50                 || return 1
  51         touch $PIDFILE; chown $USER $PIDFILE
  52         start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --chuid $USER -- \
  53                 $DAEMON_ARGS $PORT \
  54                 || return 2
  55 }
  56
  57 #
  58 # Function that stops the daemon/service
  59 #
  60 do_stop()
  61 {
  62         # Return
  63         #   0 if daemon has been stopped
  64         #   1 if daemon was already stopped
  65         #   2 if daemon could not be stopped
  66         #   other if a failure occurred
  67         start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --name $NAME
  68         RETVAL="$?"
  69         [ "$RETVAL" = 2 ] && return 2
  70         # Wait for children to finish too if this is a daemon that forks
  71         # and if the daemon is only ever run from this initscript.
  72         # If the above conditions are not satisfied then add some other code
  73         # that waits for the process to drop all resources that could be
  74         # needed by services started subsequently.  A last resort is to
  75         # sleep for some time.
  76         start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON
  77         [ "$?" = 2 ] && return 2
  78         # Many daemons don't delete their pidfiles when they exit.
  79         rm -f $PIDFILE
  80         return "$RETVAL"
  81 }
  82
  83 case "$1" in
  84   start)
  85         [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
  86         do_start
  87         case "$?" in
  88                 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
  89                 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
  90         esac
  91         ;;
  92   stop)
  93         [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
  94         do_stop
  95         case "$?" in
  96                 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
  97                 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
  98         esac
  99         ;;
 100   status)
 101         status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
 102         ;;
 103   restart|force-reload)
 104         log_daemon_msg "Restarting $DESC" "$NAME"
 105         do_stop
 106         case "$?" in
 107           0|1)
 108                 do_start
 109                 case "$?" in
 110                         0) log_end_msg 0 ;;
 111                         1) log_end_msg 1 ;; # Old process is still running
 112                         *) log_end_msg 1 ;; # Failed to start
 113                 esac
 114                 ;;
 115           *)
 116                 # Failed to stop
 117                 log_end_msg 1
 118                 ;;
 119         esac
 120         ;;
 121   *)
 122         echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
 123         exit 3
 124         ;;
 125 esac
 126
 127 :