python soscket监控系统

import Socket
import sys,os


host = '0.0.0.0'
port = int(sys.argv[1])

#这里写入可以连接的客户端地址
trust = '127.0.0.1，192.168.1.31'
s = None
def conn():
  for res in socket.getaddrinfo(host,port,socket.AF_UNSPEC,socket.SOCK_STREAM,0,socket.ai_PASSIVE):
    af,socktype,proto,canonname,sa = res
    try:
      s = socket.socket(af,socktype,proto)
    except OSError as msg:
      s = None
      continue
    try:
      s.bind(sa)
      s.listen(1)
    except OSError as msg:
      s.close()
      s = None
      continue
    break
  if s is None:
    print('could not open socket')
    sys.exit(1)

  conn,addr = s.accept()
  error = 'ok'
  if str(addr[0]) not in str(trust):
    error = 'error'
  print('Connected by',addr)

  while True:
    conn.settimeout(5)
    if error != 'error':
      data = conn.recv(102400)
      if not data:break
      data = data.decode(encoding='utf-8',errors='strict')
      comm = str(data)+' '+'2>&1'
      content = os.popen(comm).read()
      content = content.encode(encoding='utf-8',errors='strict')
      conn.send(content)
    else:
      conn.send(b'not trust address')
      break
  conn.close()

while True:
  conn()