indexof_scanner.py

"""
A script which scans _all_ ipv4 address for server which have
Index of / landing page.
Your ISP will probably not only hate you for this, it will kill your conection.
You will send (4.294.967.296 - the reversed addresses) requests in a very
'short' amount of time.
"""
import re
import requests


def count_ip():
    '''
    A generator who counts from ip 0.0.0.0 to 255.255.255.255 and yield
    every ip as a string back.
    '''

    ipAddress = [000, 000, 000, 000]

    # Need to find a nicer way for this, but hey, it works.
    for x in range(0, 256):
        ipAddress[0] = x
        for y in range(0, 256):
            ipAddress[1] = y
            yield f'{ipAddress[0]}.{ipAddress[1]}.{ipAddress[2]}.{ipAddress[3]}'
            for i in range(0, 256):
                ipAddress[2] = i
                yield f'{ipAddress[0]}.{ipAddress[1]}.{ipAddress[2]}.{ipAddress[3]}'
                for j in range(0, 256):
                    ipAddress[3] = j
                    yield f'{ipAddress[0]}.{ipAddress[1]}.{ipAddress[2]}.{ipAddress[3]}'
    yield f'{ipAddress[0]}.{ipAddress[1]}.{ipAddress[2]}.{ipAddress[3]}'


def check_if_index_of(ip):
    '''
    Makes an http requests to the desired address and return the ip if it has
    a "Index of" header.
    '''

    regex = r"<h1>Index of .*<\/h1>"
    try:
        r = requests.get(f'http://{ip}', timeout=1)

        founds = re.findall(regex, r.text)

        if founds and founds is not 'none':
            return ip + '\n'
        else:
            return ''
            # print('Found nothing...')
    except:
        # print('Something went wrong. :(')
        return ''


def main():
    ips = count_ip()

    with open('notes.txt', 'a') as hostFile:
        for ip in ips:
            print(str(check_if_index_of(ip)) + '\n')
            hostFile.write(str(check_if_index_of(ip)))


if __name__ == '__main__':
    main()