locationchanger

#!/bin/bash

# automatically change configuration of Mac OS X based on location
# author: Rocco Georgi <rocco@pavingways.com>
# version: 0.3.1

# original author: Onne Gorter <o.gorter@gmail.com>
# url: http://tech.inhelsinki.nl/locationchanger/
# version: 0.4

# redirect all IO to a logfile
exec &>/usr/local/var/log/locationchanger.log
# redirect all IO to /dev/null (comment this in if you don#t want to write to logfile)
#exec 1>/dev/null 2>/dev/null

# get a little breather before we get data for things to settle down
sleep 2

# get SSID
SSID=`/System/Library/PrivateFrameworks/Apple80211.framework/Versions/A/Resources/airport -I | grep ' SSID:' | cut -d ':' -f 2 | tr -d ' '`
echo `date` "New SSID found: $SSID"

# empty location var
LOCATION=

# LOCATIONS 
# (use to be used Location name here)
# =============================================
Location_Home="Home"
Location_CompanyIntra="Office"

# SSIDS
# =====
SSID_Home=bingo
SSID_CompanyIntra=SAP-Corporate


# SSID -> LOCATION mapping
case $SSID in
	$SSID_Home          ) LOCATION="$Location_Home";;
	$SSID_CompanyIntra  ) LOCATION="$Location_CompanyIntra";;
	# ... add more here
esac
	REASON="SSID changed to $SSID"


# still didn't get a location -> use Location_Automatic
if [ -z "$LOCATION" ]; then
	LOCATION="$Location_Automatic"
	REASON="Automatic Fallback"
fi

# change network location
scselect "$LOCATION"

case $LOCATION in
	$Location_Automatic )
		# do stuff here you would do in Location_Automatic
	;;
	
	$Location_CompanyIntra )
		# nothing special here
	;;
esac

echo "--> Location Changer: $LOCATION - $REASON"

exit 0