python3 通过tcp远程控制服务器执行命令

import socketserver
   
import os
   

def execCmd(cmd):  
   
    r = os.popen(cmd)  
   
    text = r.read()  
   
    r.close()  
   
    
   return text  
   

 
   
#
    自定义类来实现通信循环
   

   class MyTCPHandler(socketserver.BaseRequestHandler):
   
    
   #
    必须写入handle方法，建立链接时会自动执行handle方法
   
    
   def handle(self):
   
        
   while True:
   
            
   try:
   
                data = self.request.recv(1024)
   
                
   if 
   not data: 
   break
   
                
   print(
   '
   ->client:
   ', data)
   
                
   #
   os.system(data.decode('utf-8'))
   
                macd = execCmd(data.decode(
   '
   utf-8
   '))
   
                self.request.send(macd.encode(
   '
   utf-8
   '))
   
            
   except ConnectionResetError:
   
                
   break
   
        self.request.close()
   

if 
   __name__ == 
   '
   __main__
   ':
   
    server = socketserver.ThreadingTCPServer((
   '
   127.0.0.1
   ', 8080), MyTCPHandler)
   
    server.serve_forever()  
   #
    链接循环