enrolmac4wifi.sh

#!/bin/bash
ssid=$1
mac=$2
RAWPSK=$(pwgen -1Bv |tr '/' '$')
ENCODEDPSK=$(wpa_passphrase "${ssid}" "${RAWPSK}" |grep psk|tail -n 1|cut -d '=' -f 2)
echo $mac $ssid $RAWPSK $ENCODEDPSK

# Generate QR code pictures for Android and Windows
qrencode -t PNG -o /tmp/android_${mac}.png -s 4 "WIFI:T:WPA;S:${ssid};P:${RAWPSK};H:${hidden};"
./terminalqr.py "WIFI:T:WPA;S:${ssid};P:${RAWPSK};H:${hidden};" >/tmp/android_${mac}.txt
qrencode -t PNG -o /tmp/windows_${mac}.png -s 4 "WIFI;T:WPA;S:${ssid};P:${RAWPSK};H:${hidden};"
./terminalqr.py "WIFI:T:WPA;S:${ssid};P:${RAWPSK};H:${hidden};" >/tmp/windows_${mac}.txt

# IOS requires a hosted webpage which I do not want to host
# Use the copy to clipboard function for the password and manually connect instead.
qrencode -t PNG -o /tmp/ios_${mac}.png -s 4 "${RAWPSK}"
./terminalqr.py "${RAWPSK}" >/tmp/ios_${mac}.txt

alreadythere=$(grep ${mac} /etc/hostapd-psk|wc -l)

if [ ${alreadythere} -eq 0 ]; then
echo habs noch nicht
echo $mac $ENCODEDPSK >> /etc/hostapd-psk
else
sed -ie "s/${mac} .*/${mac} ${ENCODEDPSK}/" /etc/hostapd-psk
echo habs schon
fi

service hostapd reload

echo "New WLAN password was generated and hostapd reloaded."