Raspberry Pi 3 access-point-setup

rPi3-ap-setup.sh

#!/bin/bash

if [ "$EUID" -ne 0 ]; then
	echo "Must be root"
	exit
fi

if [[ $# -ne 1 ]]; then 
	echo "You need to set a password!"
	echo "Usage:"
	echo "sudo $0 yourChosenPassword [apName]"
	exit
fi

APPASS=$1
APSSID="rPi3"

if [[ $# -eq 2 ]]; then 
	APSSID=$2
fi

apt-get remove --purge hostapd -y
apt-get install hostapd dnsmasq -y

cat > /etc/dnsmasq.conf <<EOF
interface=wlan0
dhcp-range=10.0.0.2,10.0.0.5,255.255.255.0,12h
EOF

cat > /etc/hostapd/hostapd.conf <<EOF
interface=wlan0
hw_mode=g
channel=10
auth_algs=1
wpa=2
wpa_key_mgmt=WPA-PSK
wpa_pairwise=CCMP
rsn_pairwise=CCMP
wpa_passphrase=$APPASS
ssid=$APSSID
EOF

sed -i -- 's/exit 0/ /g' /etc/rc.local

cat >> /etc/rc.local <<EOF
ifconfig wlan0 down
ifconfig wlan0 10.0.0.1 netmask 255.255.255.0 up
iwconfig wlan0 power off
iwconfig wlan0 mode Master
service dnsmasq restart
hostapd -B /etc/hostapd/hostapd.conf & > /dev/null 2>&1

exit 0

EOF

echo "All done!"