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

   1 #! /bin/sh
   2 ### BEGIN INIT INFO
   3 # Provides:          fwd
   4 # Required-Start:    $local_fs $remote_fs
   5 # Required-Stop:     $local_fs $remote_fs
   6 # Default-Start:     2 3 4 5
   7 # Default-Stop:      0 1 6
   8 # Short-Description: Start port forwarding server
   9 # Description:       This file should be used to construct scripts to be
  10 #                    placed in /etc/init.d.
  11 ### END INIT INFO
  12
  13 # Author: Mark Wooding <mdw@distorted.org.uk>
  14
  15 # Do NOT "set -e"
  16
  17 # PATH should only include /usr/* if it runs after the mountnfs.sh script
  18 PATH=/sbin:/usr/sbin:/bin:/usr/bin
  19 DESC="port forwarding daemon"
  20 NAME=fwd
  21 DAEMON=/usr/bin/fwd
  22 PIDFILE=/var/run/$NAME.pid
  23 SCRIPTNAME=/etc/init.d/$NAME
  24 FWUSER=fwd FWGROUP=fwd
  25 DAEMON_ARGS="--syslog"
  26 CONFIG=/etc/fwd.conf
  27 OLDCONFIG=/etc/fw.conf
  28
  29 # Exit if the package is not installed
  30 [ -x "$DAEMON" ] || exit 0
  31
  32 # Read configuration variable file if it is present
  33 [ -r /etc/default/$NAME ] && . /etc/default/$NAME
  34
  35 # Exit if no configuration file
  36 if [ -r "$CONFIG" ] && [ -r "$OLDCONFIG" ]; then
  37   log_warning_message \
  38     "Using old config file /etc/fw.conf.  Please rename it to /etc/fwd.conf."
  39   CONFIG=$OLDCONFIG
  40 fi
  41 [ -r "$CONFIG" ] || exit 0
  42
  43 # Load the VERBOSE setting and other rcS variables
  44 . /lib/init/vars.sh
  45
  46 # Define LSB log_* functions.
  47 # Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
  48 . /lib/lsb/init-functions
  49
  50 #
  51 # Function that starts the daemon/service
  52 #
  53 do_start()
  54 {
  55         # Return
  56         #   0 if daemon has been started
  57         #   1 if daemon was already running
  58         #   2 if daemon could not be started
  59         start-stop-daemon --start --quiet --pidfile $PIDFILE \
  60                 --exec $DAEMON --test > /dev/null \
  61                 || return 1
  62         start-stop-daemon --start --quiet --pidfile $PIDFILE \
  63                 --exec $DAEMON -- \
  64                 --pidfile="$PIDFILE" \
  65                 --daemon \
  66                 $DAEMON_ARGS \
  67                 --setuid="$FWUSER" --setgid="$FWGROUP" \
  68                 --file="$CONFIG" \
  69                 || return 2
  70 }
  71
  72 #
  73 # Function that stops the daemon/service
  74 #
  75 do_stop()
  76 {
  77         # Return
  78         #   0 if daemon has been stopped
  79         #   1 if daemon was already stopped
  80         #   2 if daemon could not be stopped
  81         #   other if a failure occurred
  82         start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 \
  83                 --pidfile "$PIDFILE" --name $NAME
  84         RETVAL="$?"
  85         [ "$RETVAL" = 2 ] && return 2
  86         rm -f "$PIDFILE"
  87         return "$RETVAL"
  88 }
  89
  90 #
  91 # Function that sends a SIGHUP to the daemon/service
  92 #
  93 do_reload() {
  94         #
  95         # If the daemon can reload its configuration without
  96         # restarting (for example, when it is sent a SIGHUP),
  97         # then implement that here.
  98         #
  99         start-stop-daemon --stop --signal 1 --quiet --pidfile "$PIDFILE" \
 100                 --name $NAME
 101         return 0
 102 }
 103
 104 case "$1" in
 105   start)
 106         [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
 107         do_start
 108         case "$?" in
 109                 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
 110                 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
 111         esac
 112         ;;
 113   stop)
 114         [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
 115         do_stop
 116         case "$?" in
 117                 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
 118                 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
 119         esac
 120         ;;
 121   reload|force-reload)
 122         log_daemon_msg "Reloading $DESC" "$NAME"
 123         do_reload
 124         log_end_msg $?
 125         ;;
 126   restart)
 127         log_daemon_msg "Restarting $DESC" "$NAME"
 128         do_stop
 129         case "$?" in
 130           0|1)
 131                 do_start
 132                 case "$?" in
 133                         0) log_end_msg 0 ;;
 134                         1) log_end_msg 1 ;; # Old process is still running
 135                         *) log_end_msg 1 ;; # Failed to start
 136                 esac
 137                 ;;
 138           *)
 139                 # Failed to stop
 140                 log_end_msg 1
 141                 ;;
 142         esac
 143         ;;
 144   *)
 145         echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload}" >&2
 146         exit 3
 147         ;;
 148 esac
 149
 150 :