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这是一个非常基本的 portscan/ping 扫描脚本。当我在另一个脚本中单独使用它们时,这两个函数工作正常,但是一旦我在这个脚本中尝试它们,我就会得到属性错误

#!/usr/bin/python2.7

import argparse
import socket
import sys

def main():

    parser = argparse.ArgumentParser(description="Do you wish to scan for live hosts or conduct a port scan?")
    parser.add_argument("-s", dest='ip3octets', action='store', help='Enter the first three octets of the class C network to scan for live hosts')
    parser.add_argument("-p", dest='ip', action='store',help='conduct a portscan of specified host')

    args = parser.parse_args()

    if args.ip != None:
        portscan(args.ip)

    if args.ip3octets != None:
        pingsweep(args.ip3octets)

def portscan(args):
    for port in range(20, 1025):
        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        portinfo = s.connect_ex((args.ip, port))
            if (portinfo == 0):
                    print port, " is open"
        s.close()

def pingsweep(args):
    for ips in range(1, 255):

                host = args.ip3octets+"."+str(ip)
                data = "ping -c 1 " +host
                process = subprocess.Popen(data, shell=True, stdout=subprocess.PIPE)
                #give it time to respond
                process.wait()
                result_str = process.stdout.read()

                if '64 bytes from' in result_str:
                        print host, ' is up'

if __name__ == "__main__":main()

如果我使用 portscan (-p) 函数,我会收到此错误:

Traceback (most recent call last):
  File "./portscannertest.py", line 42, in <module>
    if __name__ == "__main__":main()
  File "./portscannertest.py", line 16, in main
    portscan(args.ip)
  File "./portscannertest.py", line 24, in portscan
    portinfo = s.connect_ex((args.ip, port))
AttributeError: 'str' object has no attribute 'ip'

虽然使用 pingsweep (-s) 函数会产生此错误:

Traceback (most recent call last):
  File "./portscannertest.py", line 42, in <module>
    if __name__ == "__main__":main()
  File "./portscannertest.py", line 19, in main
    pingsweep(args.ip3octets)
  File "./portscannertest.py", line 32, in pingsweep
    host = args.ip3octets+"."+str(ip)
AttributeError: 'str' object has no attribute 'ip3octets'

关于我哪里出错的任何想法?非常感谢!

4

3 回答 3

1

当你调用时portscan,你调用它args.ip,而不是args

你可以通过这样做来修复它:

if args.ip != None:
    portscan(args)

或者,如果您只想传入 ,则ip需要记住您正在为函数提供 IP,而不是 arguments 对象。

也是如此pingsweep

于 2011-02-19T15:58:25.550 回答
1

您将传递args.ip给 portscan,然后它使用该( )的ip属性。args.ip.ip显然,args.ipargs(对于某些对象的某些属性可能是正确的,但通常情况并非如此,并且在这里肯定是不合逻辑的)。要么将整体传递args给函数,要么(首选)使函数接受一个参数ip并使用它(而不是ip.ip)。类似的pingsweep

于 2011-02-19T16:00:27.383 回答
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您将参数传递给portscanpingsweep使用以下代码:

if args.ip != None:
    portscan(args.ip)

if args.ip3octets != None:
    pingsweep(args.ip3octets)  

在这些函数中,您应该通过直接引用来使用它们args。使用args.ipandargs.ip3octets是不正确的。

于 2011-02-19T16:04:05.257 回答