#!/bin/bash
# client.up.osx.sh - SCRIPT Set name resolution options using the DHCP-delivered#    configuration coming over the openvpn tunnel

# Copyright (c) 2005 by OpenVPN Solutions LLC
# Licensed under the GPL version 2

# First version by Jesse Adelman
# someone at boldandbusted dink com
# http://www.boldandbusted.com/

# Modified for OS X by Dylan Muir <dylan@xxxxxxxxxxxxxxxx>
# 17th June, 2005
# Fixes by Angelo Laub <al@rechenknecht.net>, 8th December, 2005

# Rewritten to utilize the OS X SCF by
# Stephan Zalewski <stephan.zalewski@web.de>, 30th January, 2006

# This script is for OS X 10.4 (Tiger) or later only.

# only do something when the server really is pushing somethingn
INTERFACE=$1
IDENTIFYER="org.openvpn.${INTERFACE}"

if [ "$foreign_option_1" != "" ]; then
    echo 'foreign option detected'
        nOptionIndex=1
        nNameServerIndex=1
        unset vForOptions
        unset vDNS
        unset vOptions

        while vForOptions=foreign_option_$nOptionIndex; [ -n "${!vForOptions}" ]; do
        {
                vOptions[nOptionIndex-1]=${!vForOptions}
                case ${vOptions[nOptionIndex-1]} in
                        *DOMAIN* )
                                domain=${vOptions[nOptionIndex-1]//dhcp-option DOMAIN /}
                                ;;
                        *DNS*    )
                                vDNS[nNameServerIndex-1]=${vOptions[nOptionIndex-1]//dhcp-option DNS /}
                                let nNameServerIndex++
                                ;;
                esac
                let nOptionIndex++
        }
        done

        echo "d.init
d.add ServerAddresses * ${vDNS[*]}
d.add SupplementalMatchDomains * ${domain}
set State:/Network/Service/${IDENTIFYER}/DNS" | scutil

#if [ "${route_vpn_gateway}" != "" ]; then
#       echo "d.init
#d.add OverridePrimary # 1
#d.add Router ${route_vpn_gateway}
#d.add InterfaceName ${INTERFACE}
#d.add Addresses * ${ifconfig_local}
#d.add SubnetMasks * ${ifconfig_netmask}
#set State:/Network/Service/${IDENTIFYER}/IPv4" | scutil
#else
                echo "d.init
d.add InterfaceName ${INTERFACE}
d.add Addresses * ${ifconfig_local}
d.add SubnetMasks * ${ifconfig_netmask}
set State:/Network/Service/${IDENTIFYER}/IPv4" | scutil
fi

#fi

exit 0