Wifi setup script for WPA Enterprise on Raspberry Pi OS

raspi_enterprise_wifi_setup.sh

read -p "SSID: " ssid < /dev/tty
read -p "Username: " uname < /dev/tty

read -sp "Password: " passwd < /dev/tty
passwd=`echo -n "$passwd" | iconv -t utf16le | openssl md4 | awk '{print $2}'`

sudo tee /etc/wpa_supplicant/wpa_supplicant.conf >/dev/null <<EOF
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1
country=JP

network={
  ssid="$ssid"
  priority=1
  proto=RSN
  key_mgmt=WPA-EAP
  pairwise=CCMP
  auth_alg=OPEN
  eap=PEAP
  identity="$uname"
  password=hash:$passwd
  phase1="tls_disable_tlsv1_0=0 tls_disable_tlsv1_1=0 peaplabel=0"
  phase2="auth=MSCHAPV2"
  openssl_ciphers="DEFAULT@SECLEVEL=2"
}
EOF

sudo chmod 600 /etc/wpa_supplicant/wpa_supplicant.conf
sudo chown root:root /etc/wpa_supplicant/wpa_supplicant.conf
sudo systemctl restart dhcpcd

wpa_supplicant_upgrade.sh

cd /tmp
sudo apt install -y libnl-3-dev libdbus-1-dev libnl-genl-3-dev libssl-dev
wget https://w1.fi/releases/wpa_supplicant-2.9.tar.gz
tar -xvf wpa_supplicant-2.9.tar.gz
cd wpa_supplicant-2.9/wpa_supplicant/
cp -p defconfig .config
make && sudo make install
sudo cp -a {/lib/,/etc}/systemd/system/wpa_supplicant.service
sudo systemctl stop wpa_supplicant
sudo systemctl disable wpa_supplicant
sudo sed -i -e 's#/sbin/wpa_supplicant#/usr/local/sbin/wpa_supplicant#' /etc/systemd/system/wpa_supplicant.service
sudo systemctl daemon-reload
sudo systemctl start wpa_supplicant
sudo systemctl enable wpa_supplicant
sudo systemctl restart dhcpcd