Phil | 3e4ead4 | 2008-07-28 16:13:01 +0200 | [diff] [blame] | 1 | ## This file is part of Scapy |
| 2 | ## See http://www.secdev.org/projects/scapy for more informations |
| 3 | ## Copyright (C) Philippe Biondi <phil@secdev.org> |
| 4 | ## This program is published under a GPLv2 license |
| 5 | |
Dirk Loss | 0ce149b | 2010-06-16 22:47:55 +0200 | [diff] [blame] | 6 | """ |
| 7 | Answering machines. |
| 8 | """ |
| 9 | |
Phil | bb2ddd8 | 2008-05-23 02:47:47 +0200 | [diff] [blame] | 10 | ######################## |
| 11 | ## Answering machines ## |
| 12 | ######################## |
| 13 | |
gpotter2 | 22a55b6 | 2017-06-27 18:31:14 +0200 | [diff] [blame] | 14 | from __future__ import absolute_import |
gpotter2 | b72a0b5 | 2017-06-27 23:43:42 +0200 | [diff] [blame] | 15 | from __future__ import print_function |
Robin Jarry | 6057906 | 2016-06-01 16:17:07 +0200 | [diff] [blame] | 16 | from scapy.sendrecv import send,sendp,sniff |
| 17 | from scapy.config import conf |
| 18 | from scapy.error import log_interactive |
gpotter2 | 22a55b6 | 2017-06-27 18:31:14 +0200 | [diff] [blame] | 19 | import scapy.modules.six as six |
Phil | bb2ddd8 | 2008-05-23 02:47:47 +0200 | [diff] [blame] | 20 | |
| 21 | class ReferenceAM(type): |
| 22 | def __new__(cls, name, bases, dct): |
| 23 | o = super(ReferenceAM, cls).__new__(cls, name, bases, dct) |
| 24 | if o.function_name: |
| 25 | globals()[o.function_name] = lambda o=o,*args,**kargs: o(*args,**kargs)() |
| 26 | return o |
| 27 | |
| 28 | |
gpotter2 | 22a55b6 | 2017-06-27 18:31:14 +0200 | [diff] [blame] | 29 | class AnsweringMachine(six.with_metaclass(ReferenceAM, object)): |
Phil | bb2ddd8 | 2008-05-23 02:47:47 +0200 | [diff] [blame] | 30 | function_name = "" |
| 31 | filter = None |
| 32 | sniff_options = { "store":0 } |
zer0@platinum | e27e4b6 | 2009-12-29 19:30:38 +0100 | [diff] [blame] | 33 | sniff_options_list = [ "store", "iface", "count", "promisc", "filter", "type", "prn", "stop_filter" ] |
Phil | bb2ddd8 | 2008-05-23 02:47:47 +0200 | [diff] [blame] | 34 | send_options = { "verbose":0 } |
| 35 | send_options_list = ["iface", "inter", "loop", "verbose"] |
| 36 | send_function = staticmethod(send) |
| 37 | |
| 38 | |
| 39 | def __init__(self, **kargs): |
| 40 | self.mode = 0 |
| 41 | if self.filter: |
| 42 | kargs.setdefault("filter",self.filter) |
| 43 | kargs.setdefault("prn", self.reply) |
| 44 | self.optam1 = {} |
| 45 | self.optam2 = {} |
| 46 | self.optam0 = {} |
| 47 | doptsend,doptsniff = self.parse_all_options(1, kargs) |
| 48 | self.defoptsend = self.send_options.copy() |
| 49 | self.defoptsend.update(doptsend) |
| 50 | self.defoptsniff = self.sniff_options.copy() |
| 51 | self.defoptsniff.update(doptsniff) |
| 52 | self.optsend,self.optsniff = [{},{}] |
| 53 | |
| 54 | def __getattr__(self, attr): |
| 55 | for d in [self.optam2, self.optam1]: |
| 56 | if attr in d: |
| 57 | return d[attr] |
gpotter2 | f8fe525 | 2017-08-22 20:33:04 +0200 | [diff] [blame] | 58 | raise AttributeError(attr) |
Phil | bb2ddd8 | 2008-05-23 02:47:47 +0200 | [diff] [blame] | 59 | |
| 60 | def __setattr__(self, attr, val): |
| 61 | mode = self.__dict__.get("mode",0) |
| 62 | if mode == 0: |
| 63 | self.__dict__[attr] = val |
| 64 | else: |
| 65 | [self.optam1, self.optam2][mode-1][attr] = val |
| 66 | |
| 67 | def parse_options(self): |
| 68 | pass |
| 69 | |
| 70 | def parse_all_options(self, mode, kargs): |
| 71 | sniffopt = {} |
| 72 | sendopt = {} |
Pierre LALET | a65ddc7 | 2017-09-29 22:44:22 +0200 | [diff] [blame] | 73 | for k in list(kargs): # use list(): kargs is modified in the loop |
Phil | bb2ddd8 | 2008-05-23 02:47:47 +0200 | [diff] [blame] | 74 | if k in self.sniff_options_list: |
| 75 | sniffopt[k] = kargs[k] |
| 76 | if k in self.send_options_list: |
| 77 | sendopt[k] = kargs[k] |
| 78 | if k in self.sniff_options_list+self.send_options_list: |
Pierre LALET | 241e2c4 | 2016-04-27 16:41:43 +0200 | [diff] [blame] | 79 | del kargs[k] |
Phil | bb2ddd8 | 2008-05-23 02:47:47 +0200 | [diff] [blame] | 80 | if mode != 2 or kargs: |
| 81 | if mode == 1: |
| 82 | self.optam0 = kargs |
| 83 | elif mode == 2 and kargs: |
| 84 | k = self.optam0.copy() |
| 85 | k.update(kargs) |
| 86 | self.parse_options(**k) |
| 87 | kargs = k |
| 88 | omode = self.__dict__.get("mode",0) |
| 89 | self.__dict__["mode"] = mode |
| 90 | self.parse_options(**kargs) |
| 91 | self.__dict__["mode"] = omode |
| 92 | return sendopt,sniffopt |
| 93 | |
| 94 | def is_request(self, req): |
| 95 | return 1 |
| 96 | |
| 97 | def make_reply(self, req): |
| 98 | return req |
| 99 | |
| 100 | def send_reply(self, reply): |
| 101 | self.send_function(reply, **self.optsend) |
| 102 | |
| 103 | def print_reply(self, req, reply): |
gpotter2 | b72a0b5 | 2017-06-27 23:43:42 +0200 | [diff] [blame] | 104 | print("%s ==> %s" % (req.summary(),reply.summary())) |
Phil | bb2ddd8 | 2008-05-23 02:47:47 +0200 | [diff] [blame] | 105 | |
| 106 | def reply(self, pkt): |
| 107 | if not self.is_request(pkt): |
| 108 | return |
| 109 | reply = self.make_reply(pkt) |
| 110 | self.send_reply(reply) |
| 111 | if conf.verb >= 0: |
| 112 | self.print_reply(pkt, reply) |
| 113 | |
| 114 | def run(self, *args, **kargs): |
Guillaume Valadon | ed95a6a | 2016-11-15 12:40:56 +0100 | [diff] [blame] | 115 | log_interactive.warning("run() method deprecated. The instance is now callable") |
Phil | bb2ddd8 | 2008-05-23 02:47:47 +0200 | [diff] [blame] | 116 | self(*args,**kargs) |
| 117 | |
| 118 | def __call__(self, *args, **kargs): |
| 119 | optsend,optsniff = self.parse_all_options(2,kargs) |
| 120 | self.optsend=self.defoptsend.copy() |
| 121 | self.optsend.update(optsend) |
| 122 | self.optsniff=self.defoptsniff.copy() |
| 123 | self.optsniff.update(optsniff) |
| 124 | |
| 125 | try: |
| 126 | self.sniff() |
| 127 | except KeyboardInterrupt: |
gpotter2 | b72a0b5 | 2017-06-27 23:43:42 +0200 | [diff] [blame] | 128 | print("Interrupted by user") |
Phil | bb2ddd8 | 2008-05-23 02:47:47 +0200 | [diff] [blame] | 129 | |
| 130 | def sniff(self): |
| 131 | sniff(**self.optsniff) |
| 132 | |