python端口扫描器

#-*-coding:utf-8
from socket import *
import threading
import argpars

lock=threading.lock() 
openNUm=0
threads=[]


def portScanner(host,port):
  global  openNum
  try:
    s=socket(AF_INET,SOCK_STREAM)
    s.connect(host,port)
    lock.acquire()
   openNum+=1
   print(‘[*]open port%d‘%(port))
   loc.release()
   s.close()
 except:
  pass

def main():
  p=argparse.ArgumentParse(description=‘Portscanner‘)
  p.add_argument(‘-H‘,dest=‘host‘,type=str)
  args=p.parse_args()
 hostList=args.host.split(‘,‘)
 setdefaulttimeout(1)
 for host in hostList:
  print(‘Scanning the host:%s.......‘%(host))
  for p in range(1,1024):
    t=threading.Thread(target=portScanner,args=(host,port))
    threads.append(t)
    t.start()

   for t in threads:
    t.join()


if__name__==‘__main__‘:
  main()