geeklet-localnetworkscan.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

"""
glet-localnetworkscan
"""

# Futures
from __future__ import unicode_literals
from __future__ import print_function

# Generic/Built-in
import os

# Other Libs
import socket
from scapy.all import ARP, Ether, srp

# Owned
# from {path} import {class}

__author__ = "Buckley Collum"
__copyright__ = "Copyright 2019, QuoinWorks"
__credits__ = ["Buckley Collum"]
__license__ = "GNU General Public License v3.0"
__version__ = "0.1.0"
__maintainer__ = "Buckley Collum"
__email__ = "buckleycollum@gmail.com"
__status__ = "Dev"


LOCALHOST = socket.gethostname()

def _load_ips_netifaces():
    """load ip addresses with netifaces"""
    import netifaces
    global LOCALHOST
    local_ips = []
    public_ips: List[Any] = []

    # list of iface names, 'lo0', 'eth0', etc.
    for iface in netifaces.interfaces():
        # list of ipv4 addrinfo dicts
        ipv4s = netifaces.ifaddresses(iface).get(netifaces.AF_INET, [])
        for entry in ipv4s:
            addr = entry.get('addr')
            if not addr:
                continue
            if not (iface.startswith('lo') or addr.startswith('127.')):
                public_ips.append(addr)
            elif not LOCALHOST:
                LOCALHOST = addr
            local_ips.append(addr)
    if not LOCALHOST:
        # we never found a loopback interface (can this ever happen?), assume common default
        LOCALHOST = '127.0.0.1'
        local_ips.insert(0, LOCALHOST)
    # local_ips.extend(['0.0.0.0', ''])

    # print(local_ips)
    # print(public_ips)

    return public_ips

def main():
    print(_load_ips_netifaces())
    target_ip = "10.23.9.1/24"
    # IP Address for the destination
    # create ARP packet
    arp = ARP(pdst=target_ip)
    # create the Ether broadcast packet
    # ff:ff:ff:ff:ff:ff MAC address indicates broadcasting
    ether = Ether(dst="ff:ff:ff:ff:ff:ff")
    # stack them
    packet = ether / arp

    result = srp(packet, timeout=3, verbose=1)[0]

    # a list of clients, we will fill this in the upcoming loop
    clients = []

    for sent, received in result:
        # for each response, append ip and mac address to `clients` list
        clients.append({'ip': received.psrc, 'mac': received.hwsrc})

    # print clients
    print("Available devices in the network:")
    print("IP" + " " * 18 + "MAC")
    for client in clients:
        print("{:16}    {}".format(client['ip'], client['mac']))


if __name__ == '__main__':
    main()