Updated to hide OK messages between username and password, insert newline after password prompt.

# Connecting to PAL2.0 at Purdue on your Google CR-48 Laptop.

# usage:
#    you must have developer switch flipped
#    sudo su (run as root)
#    chmod +x <filename>
#    bash <filename>
#    (or bash ./<filename>)

# script adjusted for Purdue by Nate.Radebaugh@gmail.com
# script presented by reddit's teraflop http://www.reddit.com/r/CR48/comments/fcxhw/any_workarounds_for_wpa2_with_certificate/
# from Matt McCormick's article http://mbmccormick.com/2011/02/connecting-your-google-cr-48-laptop-to-pal2-0-at-purdue/
# influenced by University of Utah's article https://wiki.utah.edu/confluence/display/~u0226271/UConnect+on+Chrome+OS

NETWORK=$(wpa_cli -i wlan0 add_network) || exit

read -p "Username to connect to PAL2.0: " USERNAME || exit

wpa_cli -i wlan0 set_network $NETWORK ssid \"PAL2.0\" > /dev/null || exit
wpa_cli -i wlan0 set_network $NETWORK scan_ssid 1 > /dev/null || exit
wpa_cli -i wlan0 set_network $NETWORK proto WPA > /dev/null || exit
wpa_cli -i wlan0 set_network $NETWORK priority 1 > /dev/null || exit
wpa_cli -i wlan0 set_network $NETWORK key_mgmt WPA-EAP > /dev/null || exit
wpa_cli -i wlan0 set_network $NETWORK eap PEAP > /dev/null || exit

read -p "Password for $USERNAME: " -s PASSWORD || exit
echo -e "" || exit

wpa_cli -i wlan0 set_network $NETWORK identity \"$USERNAME\" > /dev/null || exit
wpa_cli -i wlan0 set_network $NETWORK password \"$PASSWORD\" > /dev/null || exit
wpa_cli -i wlan0 set_network $NETWORK phase2 \"auth=MSCHAPV2\" > /dev/null || exit

wpa_cli -i wlan0 select_network $NETWORK > /dev/null || exit