#!/bin/sh
##################################################################
# BiffSocko
# wconnect (wireless connect)
#
# connects to wireless network with
# ESSID.  run wscan for getting 
# ESSID's
#
# Support Free Software:
#
# This program is free software; you can redistribute it
# and/or modify it, but don't forget to credit the author.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
##################################################################
$INTERFACE="ath0"
PROG="$0"
# Shameless Self Promotion
echo "$PROG was written by BiffSocko 9/2006"

if [ $UID -ne 0 ]
then
	echo "you need to be root to run this program"
	exit 1
fi

if [ $# -ne 1 -a $# -ne 2 ]
then
        echo "usage: $PROG [ESSID]"
        echo "usage: $PROG [ESSID] [key] "
        exit 1
fi
ESSID=$1
KEY=$2

echo "Status for Network Interface $INTERFACE:"
ifconfig $INTERFACE| grep UP
if [ $? -eq 0 ] 
then

	if [ "$KEY" != "" ]
	then
		echo "setting key $KEY"
        	iwconfig $INTERFACE key $KEY
		if [ $? -ne 0 ]
        	then
			echo "error setting key"
			exit 1
		fi
	else
		echo "no WEP key to enter"
	fi

        echo "setting ESSID to $ESSID"
	iwconfig $INTERFACE essid $ESSID
	if [ $? -eq 0 ]
	then
		echo "getting IP information from $ESSID"
		dhclient $INTERFACE
		if [ $? -eq 0 ]
		then
			echo "captured IP Information from $ESSID"
			exit 0
		else
			echo "Failed to capture IP Information from $ESSID"
			exit 1
		fi
	else
		echo "iwconfig $INTERFACE essid $ESSID failed"
		exit 1
	fi
else
 	echo "$INTERFACE interface is down"
	exit 1
fi