#!/usr/local/bin/python2.5

#
#	Philippe Niquille
#	15.5.2007
#
#	philippe a niquille d com
#
#	This script checks the current (wireless) network location and connects the VPN, if required.
#
#	Be aware of the fact that Kicker.xml runs this script when connecting and DISconnecting to/from a network.
#

import os, sys, re, time

#gets SSID
ssid = os.popen("/System/Library/PrivateFrameworks/Apple80211.framework/Versions/A/Resources/airport -I | fgrep -i ' ssid' | grep -Eo '[a-zA-Z0-9]+$'")

#get's first part of IP in format 130.82
#ip=`ifconfig en0 | grep "inet " | grep -v 127.0.0.1 | cut -d\  -f2 | grep -Eo "[0-9]{3}.[0-9]{2}"`
ip = os.popen('ifconfig en0 | grep "inet " | grep -v 127.0.0.1 | cut -d\  -f2 | cut -c -6')

#the VPN user
user = "04604658"
#get the VPN password
pwd = os.popen("security 2>&1 >/dev/null find-generic-password -s vpn -g login.keychain | grep 'password: ' | grep -Eo '\"(.*)\"$'")
#strip the "<password>" to <password>
pwd = re.sub(r'\"','',pwd.read())
pwd = re.sub(r'\n','',pwd)

if ip.read() == '130.82\n' or ssid.read() == 'public\n' :
	
	#wait for the network to get up
	time.sleep(3)
	connect = os.system("screen -d -m /usr/local/bin/vpnclient connect UNISG user " + user + " pwd " + pwd +" &")

	if connect == 0:
		os.system("/usr/bin/logger -i 'auto-initiating VPN..'")
	else:
		os.system("/usr/bin/logger -i 'could not auto-initiate VPN!'")

sys.exit()