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| # -*- coding:utf-8 -*-
import socket
from threading import Thread
import time
result = []
def scaner(host, port):
"""
author:张博
端口扫描函数
如果连接成功,把端口放入result中
否则关闭连接
:param host:
:param port:
:return:
"""
sockfd = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sockfd.settimeout(0.1)
print(f'正在检测{host}:{port}...')
tryConn = sockfd.connect_ex((host, port))
if not tryConn: # 返回0表示连接成功
result.append(port)
else:
sockfd.close()
if __name__ == '__main__':
host = input('请输入IP地址：')
while True: # 尝试对端口范围进行验证
startPort = int(input('请输入起始扫描端口：'))
endPort = int(input('请输入终止扫描端口：'))
if startPort >= 65536 or endPort >= 65536:
print('端口号不能大于65535')
else:
break
startTime = time.time()
threads = [] # 线程列表
for p in range(startPort, endPort + 1):
t = Thread(target=scaner, args=(host, p))
threads.append(t)
t.start()
for t in threads:
t.join()
print('端口扫描完毕，端口开放结果如下')
result.sort() # 排序
for p in result: # 打印结果
print(f'{host}:{p}')
endTime = time.time() # 计时
print(f'本次端口扫描用时{endTime-startTime}秒')
|
