#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
    @Time    : 2023/08/30
    @Author  : Carol
    @Site    :
    @File    : ipv4.py
    @Software: PyCharm
    @Description: 扫描全部端口并返回对外暴露的端口号集合
        - 1- 1024 固定类别端口
        - 1025- 65535 自定义端口
"""
import socket


def __port_checker(ip_address_or_domain, port_number):
    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    try:
        sock.connect((str(ip_address_or_domain), int(port_number)))
        print("PORT {0} is OPEN on '{1}'.".format(port_number, ip_address_or_domain))
        return port_number
    except Exception as e:
        print("PORT {0} is CLOSED on '{1}', exception: {2}.".format(port_number, ip_address_or_domain, str(e)))
        return None
    finally:
        sock.close()


if __name__ == '__main__':
    domain = "redirect.cnkj.site"
    ports = []
    for i in range(1, 65535):
        port = __port_checker(domain, i)
        if None is not port:
            ports.append(port)
    print("当前 {0} 域名对外开放的端口合集: \n".format(domain))
    for p in ports:
        print(p)