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# 简单的端口扫描工具
# 作者: Charles
# 公众号: Charles的皮卡丘
import time
import socket
import threading
# 判断是否为正确的IP地址。
def isIP(ip):
ip_addr = ip.split('.')
if len(ip_addr) != 4:
return False
for ipnum in ip_addr:
if not (0 <= int(ipnum) < 255):
return False
else:
return True
# 端口扫描工具
class scanThread(threading.Thread):
def __init__(self, ip, port_min=0, port_max=65535):
# 初始化。
threading.Thread.__init__(self)
self.port_max = port_max
self.port_min = port_min
self.ip = ip
# assert isinstance(int,self.port_min) and isinstance(int,self.port_max)
# 重写run
def run(self):
return self.__checker()
# 检测
def __checker(self):
for port in range(self.port_min,self.port_max):
self.__connect(port)
# 连接
def __connect(self,port):
socket.setdefaulttimeout(1)
self.sock = socket.socket()
try:
start_time = time.time()
self.sock.connect((self.ip,port))
end_time = time.time()
connect_time = int(start_time - end_time)
info = 'Find --> [IP]: %s, [PORT]: %s, [Connect Time]: %d' % (self.ip, port, connect_time)
print(info)
self.__save(info)
self.sock.close()
except:
# print('出错误了')
self.sock.close()
def __save(self,info):
try:
with open('results.txt', 'a') as f:
f.write(info + '\n')
except:
print('写文件出现了问题')
time.sleep(0.1)
if __name__ == '__main__':
# 输入IP地址。
ip = input('Input IP(example <xxx.xxx.xxx.xxx>):\n')
print(isIP(ip))
while not isIP(ip):
ip = input('请输入正确的IP地址:\n')
# 输入最小端口、
port_min = input('需要扫描的最小端口为：')
while not (0 <= int(port_min) < 65535):
port_min = input('请输入正确的需要扫描的最小端口：')
port_max = input('需要扫描的最大端口为（65535）：')
while not (0 <= int(port_min) < int(port_max) < 65535):
port_min = input('请输入正确的需要扫描的最大端口（65535）：')
num = 8
port_max = int(port_max)
port_min = int(port_min)
interval = (port_max - port_min) // num
for i in range(interval):
scanThread(ip, i * num, (i + 1) * num).start()
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以上就是python 实现端口扫描工具的详细内容，更多关于python 端口扫描工具的资料请关注服务器之家其它相关文章！
原文链接：https://www.cnblogs.com/cong12586/p/14135468.html