#!/bin/sh /etc/rc.common
START=50

BIN=uanytun
DAEMON=/usr/sbin/$BIN
DESC=$BIN
RUN_D=/var/run


option_cb() {
  local varname="$1"
  local value="$2"

  if ! echo "$CONFIG_OPTIONS" | grep " $varname " > /dev/null; then
    CONFIG_OPTIONS="$CONFIG_OPTIONS $varname "
  fi
}

foreach_config_forced() {
  foreach_config $1 "forced"
}

foreach_config() {
  local cfg="$1"
  local name
  local option
  local value
  local args=""
  local forced=0

  if [ -n "$2" ] && [ "x$2" == "xforced" ]; then
    forced=1
  fi

  config_get name "$cfg" TYPE
  for option in $CONFIG_OPTIONS
  do
    config_get value "$cfg" "$option"
    if [ "x$option" == "xdisabled" ]; then
      if [ $forced -eq 0 ] && [ $value -eq 1 ]; then
        echo -n " $name(disabled)"
        return
      fi
      continue
    fi

    option=`echo $option | tr '_' '-'`
    if [ -n "$value" ]; then
      args="$args --$option $value"
    fi
  done
  echo -n " $name"
  local status="OK"
  $DAEMON --write-pid "$RUN_D/$BIN.$name.pid" $args || status="failed"
  echo -n "($status)"
}

stop_vpn() {
  local name=$1
  local pidfile=$RUN_D/$BIN.$name.pid
  echo -n " $name"
  local status="OK"
  if [ ! -f "$pidfile" ]; then
    status="tunnel not active"    
  else
    kill `cat $pidfile` > /dev/null 2>&1 || status="failed"
    rm -f $pidfile
  fi
  echo -n "($status)"
}

start() {
  echo -n "Starting $DESC:"
  config_load $BIN  
  if [ $# -gt 0 ]; then
    while [ $# -gt 0 ]; do
      config_foreach foreach_config_forced "$1"
      shift
    done
  else
    config_foreach foreach_config ""
  fi
  echo "."
}

stop() {
  echo -n "Stopping $DESC:"
  local name
  local pidfile

  if [ $# -gt 0 ]; then
    while [ $# -gt 0 ]; do
      stop_vpn $1
      shift
    done
  else
    for pidfile in `ls $RUN_D/$BIN.*.pid 2> /dev/null`; do
      name=${pidfile%%.pid}
      name=${name##$RUN_D/$BIN.}
      stop_vpn $name
    done
  fi
  echo "."
}