Port Scanner Code Snippet 3

threaded_port_scanner.py

import socket
from datetime import datetime
import threading


def get_target():
    hostname = input("Enter your target hostname (or IP address) : ")
    target = socket.gethostbyname(hostname)
    print(f'Scan Target  > {target}')
    return target


def get_port_list():
    print(f'Ports Range  > [1 - 1024]')
    return range(1, 1024)


def scan_port(target, port):
    # Create a socket object
    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
        # Test connection
        test = s.connect_ex((target, port))
        if test == 0:
            print(f'Port {port} is [open]')


def port_scanner():
    try:
        target = get_target()
        port_list = get_port_list()
        thread_list = list()
        start_time = datetime.now()

        for port in port_list:
            scan = threading.Thread(target=scan_port, args=(target, port))
            thread_list.append(scan)
            scan.daemon = True
            scan.start()

        for scan in thread_list:
            scan.join()
    except:
        print("Something went wrong !")
    else:
        end_time = datetime.now()
        print("Scanning completed in", end_time - start_time)


if __name__ == '__main__':
    port_scanner()