#!/bin/bash

INT=eth0
EXT=wlan0
INT_IP=192.168.2.2
INT_RANGE=192.168.2.10,192.168.2.50

# Start
ifconfig $INT $INT_IP
sysctl net.ipv4.ip_forward=1
iptables -t nat -A POSTROUTING -o $EXT -j MASQUERADE
dnsmasq -d -zi $INT -F $INT_RANGE -C /dev/null -l /tmp/dnsmasq.leases

# Stop
iptables -D POSTROUTING -t nat -o $EXT -j MASQUERADE
sysctl net.ipv4.ip_forward=0