#!/bin/sh

# /etc/init.d/network - initialize network interfaces and routes.

FIREWALL=/etc/firewall
INTERFACES=/etc/interfaces
ROUTES=/etc/routes

case $1 in

  start)

    if [ -f $FIREWALL ] && [ -x /sbin/iptables ]; then
      echo "Configuring firewall policy."
      /sbin/iptables -F
      while read FIELD1 FIELD2; do
        if ! [ "$FIELD1" = "#" ] && ! [ "$FIELD1" = "" ]; then
          /sbin/iptables $FIELD1 $FIELD2
        fi
      done <$FIREWALL
    fi

    if [ -f $INTERFACES ] && [ -x /sbin/ifconfig ]; then
      echo "Configuring network interfaces."
      while read FIELD1 FIELD2; do
        if ! [ "$FIELD1" = "#" ] && ! [ "$FIELD1" = "" ]; then
          /sbin/ifconfig $FIELD1 $FIELD2
        fi
      done <$INTERFACES
    fi
 
    if [ -f $ROUTES ] && [ -x /sbin/route ]; then
      echo "Configuring static routes."
      while read FIELD1 FIELD2; do
        if ! [ "$FIELD1" = "#" ] && ! [ "$FIELD1" = "" ]; then
          /sbin/route add $FIELD1 $FIELD2
        fi
      done <$ROUTES
    fi

  ;;
 
  stop)
                                                                               
    if [ -f $ROUTES ] && [ -x /sbin/route ]; then
      echo "Removing static route entries."
      while read FIELD1 FIELD2; do
        if ! [ "$FIELD1" = "#" ] && ! [ "$FIELD1" = "" ]; then
          /sbin/route del $FIELD1 $FIELD2
        fi
      done <$ROUTES
    fi
 
    if [ -f $INTERFACES ] && [ -x /sbin/ifconfig ]; then
      echo "Bringing down network interfaces."
      while read FIELD1 FIELD2; do
        if ! [ "$FIELD1" = "#" ] && ! [ "$FIELD1" = "" ]; then
          /sbin/ifconfig $FIELD1 down
        fi
      done <$INTERFACES
    fi
 
    if [ -f $FIREWALL ] && [ -x /sbin/iptables ]; then
      echo "Removing firewall policy."
      /sbin/iptables -F
      /sbin/iptables -P INPUT ACCEPT
      /sbin/iptables -P OUTPUT ACCEPT
      /sbin/iptables -P FORWARD ACCEPT
    fi
 
  ;;
 
  restart)

    $0 stop
    $0 start

  ;;
                                                                                
  status|stat)

    echo "Firewall configuration"
    /sbin/iptables -L -n -v
    echo
    echo "Network interface configuration"
    /sbin/ifconfig
    echo
    /sbin/route -n

  ;;

  *)

    echo "usage: $0 start|stop|restart|status"

  ;;

esac