install_bk

##!/bin/sh

run_it () {

PREFIX="/usr/local"

set -e
set -u

# Let's display everything on stderr.
exec 1>&2

UNAME=$(uname)
# Check to see if OS is Raspbian
if [ "$UNAME" != "Linux" ] ; then
    echo "This installer script is only designed to be executed on Raspbian."
    echo "Please run this script on a v3 Rasbperry Pi with Raspbian installed."
    exit 1
fi

# Check that script is running under root
if [ "$EUID" -ne 0 ] ; then
    echo "This installer script must be run with sudo."
    exit 1
fi

# Update the package manager and install base packages
apt-get update --assume-yes
# apt-get upgrade --assume-yes

### STEP 1: Wi-Fi Setup ###
apt-get install --assume-yes hostapd dnsmasq

# Ignore wlan0 for dhcpcd
echo "denyinterfaces wlan0" >> /etc/dhcpcd.conf

mv ./config/interfaces /etc/network/interfaces

# Restart wireless and the DHCP server
service dhcpcd restart
ifdown wlan0
ifup wlan0

mv ./config/hostapd.conf /etc/hostapd/hostapd.conf
mv ./config/hostapd /etc/default/hostapd

mv /etc/dnsmasq.conf /etc/dnsmasq.conf.orig
mv ./config/dnsmasq.conf /etc/dnsmasq.conf

# Enable ipv4 forwarding
echo "net.ipv4.ip_forward=1" >> /etc/sysctl.conf
sh -c "echo 1 > /proc/sys/net/ipv4/ip_forward"

iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
iptables -A FORWARD -i eth0 -o wlan0 -m state --state RELATED,ESTABLISHED -j ACCEPT
iptables -A FORWARD -i wlan0 -o eth0 -j ACCEPT

# Save the iptables routing rules
sh -c "iptables-save > /etc/iptables.ipv4.nat"

mv ./config/rc.local /etc/rc.local

service hostapd restart
service dnsmasq restart

### STEP 2: Dumpcap Setup ###
apt-get install --assume-yes tshark python-pip # tshark includes dumpcap
pip install scapy

}

run_it