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

   1 #! /bin/sh
   2 ### BEGIN INIT INFO
   3 # Provides:          fw
   4 # Required-Start:    $local_fs $remote_fs
   5 # Required-Stop:     $local_fs $remote_fs
   6 # Default-Start:     2 3 4 5
   7 # Default-Stop:      0 1 6
   8 # Short-Description: Start port forwarding server
   9 # Description:       This file should be used to construct scripts to be
  10 #                    placed in /etc/init.d.
  11 ### END INIT INFO
  12
  13 # Author: Mark Wooding <mdw@distorted.org.uk>
  14
  15 # Do NOT "set -e"
  16
  17 # PATH should only include /usr/* if it runs after the mountnfs.sh script
  18 PATH=/sbin:/usr/sbin:/bin:/usr/bin
  19 DESC="port forwarding daemon"
  20 NAME=fw
  21 DAEMON=/usr/bin/fw
  22 PIDFILE=/var/run/$NAME.pid
  23 SCRIPTNAME=/etc/init.d/$NAME
  24 FWUSER=fw FWGROUP=fw
  25 DAEMON_ARGS="--syslog"
  26 CONFIG=/etc/fw.conf
  27
  28 # Exit if the package is not installed
  29 [ -x "$DAEMON" ] || exit 0
  30
  31 # Read configuration variable file if it is present
  32 [ -r /etc/default/$NAME ] && . /etc/default/$NAME
  33
  34 # Exit if no configuration file
  35 [ -r "$CONFIG" ] || exit 0
  36
  37 # Load the VERBOSE setting and other rcS variables
  38 . /lib/init/vars.sh
  39
  40 # Define LSB log_* functions.
  41 # Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
  42 . /lib/lsb/init-functions
  43
  44 #
  45 # Function that starts the daemon/service
  46 #
  47 do_start()
  48 {
  49         # Return
  50         #   0 if daemon has been started
  51         #   1 if daemon was already running
  52         #   2 if daemon could not be started
  53         start-stop-daemon --start --quiet --pidfile $PIDFILE \
  54                 --exec $DAEMON --test > /dev/null \
  55                 || return 1
  56         start-stop-daemon --start --quiet --pidfile $PIDFILE \
  57                 --exec $DAEMON -- \
  58                 --pidfile="$PIDFILE" \
  59                 --daemon \
  60                 $DAEMON_ARGS \
  61                 --setuid="$FWUSER" --setgid="$FWGROUP" \
  62                 --file="$CONFIG" \
  63                 || return 2
  64 }
  65
  66 #
  67 # Function that stops the daemon/service
  68 #
  69 do_stop()
  70 {
  71         # Return
  72         #   0 if daemon has been stopped
  73         #   1 if daemon was already stopped
  74         #   2 if daemon could not be stopped
  75         #   other if a failure occurred
  76         start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 \
  77                 --pidfile "$PIDFILE" --name $NAME
  78         RETVAL="$?"
  79         [ "$RETVAL" = 2 ] && return 2
  80         rm -f "$PIDFILE"
  81         return "$RETVAL"
  82 }
  83
  84 #
  85 # Function that sends a SIGHUP to the daemon/service
  86 #
  87 do_reload() {
  88         #
  89         # If the daemon can reload its configuration without
  90         # restarting (for example, when it is sent a SIGHUP),
  91         # then implement that here.
  92         #
  93         start-stop-daemon --stop --signal 1 --quiet --pidfile "$PIDFILE" \
  94                 --name $NAME
  95         return 0
  96 }
  97
  98 case "$1" in
  99   start)
 100         [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
 101         do_start
 102         case "$?" in
 103                 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
 104                 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
 105         esac
 106         ;;
 107   stop)
 108         [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
 109         do_stop
 110         case "$?" in
 111                 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
 112                 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
 113         esac
 114         ;;
 115   reload|force-reload)
 116         log_daemon_msg "Reloading $DESC" "$NAME"
 117         do_reload
 118         log_end_msg $?
 119         ;;
 120   restart)
 121         log_daemon_msg "Restarting $DESC" "$NAME"
 122         do_stop
 123         case "$?" in
 124           0|1)
 125                 do_start
 126                 case "$?" in
 127                         0) log_end_msg 0 ;;
 128                         1) log_end_msg 1 ;; # Old process is still running
 129                         *) log_end_msg 1 ;; # Failed to start
 130                 esac
 131                 ;;
 132           *)
 133                 # Failed to stop
 134                 log_end_msg 1
 135                 ;;
 136         esac
 137         ;;
 138   *)
 139         echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload}" >&2
 140         exit 3
 141         ;;
 142 esac
 143
 144 :