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## This file is part of Scapy
## See http://www.secdev.org/projects/scapy for more informations
## Copyright (C) Philippe Biondi <phil@secdev.org>
## This program is published under a GPLv2 license
"""
Answering machines.
"""
########################
## Answering machines ##
########################
from sendrecv import send,sendp,sniff
from config import conf
from error import log_interactive
class ReferenceAM(type):
def __new__(cls, name, bases, dct):
o = super(ReferenceAM, cls).__new__(cls, name, bases, dct)
if o.function_name:
globals()[o.function_name] = lambda o=o,*args,**kargs: o(*args,**kargs)()
return o
class AnsweringMachine(object):
__metaclass__ = ReferenceAM
function_name = ""
filter = None
sniff_options = { "store":0 }
sniff_options_list = [ "store", "iface", "count", "promisc", "filter", "type", "prn", "stop_filter" ]
send_options = { "verbose":0 }
send_options_list = ["iface", "inter", "loop", "verbose"]
send_function = staticmethod(send)
def __init__(self, **kargs):
self.mode = 0
if self.filter:
kargs.setdefault("filter",self.filter)
kargs.setdefault("prn", self.reply)
self.optam1 = {}
self.optam2 = {}
self.optam0 = {}
doptsend,doptsniff = self.parse_all_options(1, kargs)
self.defoptsend = self.send_options.copy()
self.defoptsend.update(doptsend)
self.defoptsniff = self.sniff_options.copy()
self.defoptsniff.update(doptsniff)
self.optsend,self.optsniff = [{},{}]
def __getattr__(self, attr):
for d in [self.optam2, self.optam1]:
if attr in d:
return d[attr]
raise AttributeError,attr
def __setattr__(self, attr, val):
mode = self.__dict__.get("mode",0)
if mode == 0:
self.__dict__[attr] = val
else:
[self.optam1, self.optam2][mode-1][attr] = val
def parse_options(self):
pass
def parse_all_options(self, mode, kargs):
sniffopt = {}
sendopt = {}
for k in kargs.keys():
if k in self.sniff_options_list:
sniffopt[k] = kargs[k]
if k in self.send_options_list:
sendopt[k] = kargs[k]
if k in self.sniff_options_list+self.send_options_list:
del(kargs[k])
if mode != 2 or kargs:
if mode == 1:
self.optam0 = kargs
elif mode == 2 and kargs:
k = self.optam0.copy()
k.update(kargs)
self.parse_options(**k)
kargs = k
omode = self.__dict__.get("mode",0)
self.__dict__["mode"] = mode
self.parse_options(**kargs)
self.__dict__["mode"] = omode
return sendopt,sniffopt
def is_request(self, req):
return 1
def make_reply(self, req):
return req
def send_reply(self, reply):
self.send_function(reply, **self.optsend)
def print_reply(self, req, reply):
print "%s ==> %s" % (req.summary(),reply.summary())
def reply(self, pkt):
if not self.is_request(pkt):
return
reply = self.make_reply(pkt)
self.send_reply(reply)
if conf.verb >= 0:
self.print_reply(pkt, reply)
def run(self, *args, **kargs):
log_interactive.warning("run() method deprecated. The intance is now callable")
self(*args,**kargs)
def __call__(self, *args, **kargs):
optsend,optsniff = self.parse_all_options(2,kargs)
self.optsend=self.defoptsend.copy()
self.optsend.update(optsend)
self.optsniff=self.defoptsniff.copy()
self.optsniff.update(optsniff)
try:
self.sniff()
except KeyboardInterrupt:
print "Interrupted by user"
def sniff(self):
sniff(**self.optsniff)
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