#! /usr/bin/env python
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# This file is part of Scapy
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# Scapy is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 2 of the License, or
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# any later version.
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#
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# Scapy is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Scapy. If not, see <http://www.gnu.org/licenses/>.
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## Copyright (C) 2009 Adline Stephane <adline.stephane@gmail.com>
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##
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# Partial support of RFC3971
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# scapy.contrib.description = SEND (ICMPv6)
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# scapy.contrib.status = loads
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from __future__ import absolute_import
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import socket
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from scapy.packet import *
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from scapy.fields import *
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from scapy.layers.inet6 import icmp6typescls, _ICMPv6NDGuessPayload, Net6
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send_icmp6typescls = { 11: "ICMPv6NDOptCGA",
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12: "ICMPv6NDOptRsaSig",
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13: "ICMPv6NDOptTmstp",
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14: "ICMPv6NDOptNonce"
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}
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icmp6typescls.update(send_icmp6typescls)
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class HashField(Field):
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def __init__(self, name, default):
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Field.__init__(self, name, default, "16s")
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def h2i(self, pkt, x):
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if isinstance(x, str):
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try:
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x = in6_ptop(x)
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except socket.error:
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x = Net6(x)
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elif isinstance(x, list):
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x = [Net6(e) for e in x]
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return x
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def i2m(self, pkt, x):
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return inet_pton(socket.AF_INET6, x)
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def m2i(self, pkt, x):
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return inet_ntop(socket.AF_INET6, x)
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def any2i(self, pkt, x):
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return self.h2i(pkt,x)
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def i2repr(self, pkt, x):
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return self.i2h(pkt, x) # No specific information to return
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class ICMPv6NDOptNonce(_ICMPv6NDGuessPayload, Packet):
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name = "ICMPv6NDOptNonce"
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fields_desc = [ ByteField("type",14),
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FieldLenField("len",None,length_of="data",fmt="B", adjust = lambda pkt,x: (x)/8),
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StrLenField("nonce","", length_from = lambda pkt: pkt.len*8-2) ]
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class ICMPv6NDOptTmstp(_ICMPv6NDGuessPayload, Packet):
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name = "ICMPv6NDOptTmstp"
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fields_desc = [ ByteField("type",13),
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ByteField("len",2),
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BitField("reserved",0, 48),
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LongField("timestamp", None) ]
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class ICMPv6NDOptRsaSig(_ICMPv6NDGuessPayload, Packet):
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name = "ICMPv6NDOptRsaSig"
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fields_desc = [ ByteField("type",12),
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FieldLenField("len",None,length_of="data",fmt="B", adjust = lambda pkt,x: (x)/8),
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ShortField("reserved",0),
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HashField("key_hash",None),
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StrLenField("signature_pad", "", length_from = lambda pkt: pkt.len*8-20) ]
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class ICMPv6NDOptCGA(_ICMPv6NDGuessPayload, Packet):
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name = "ICMPv6NDOptCGA"
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fields_desc = [ ByteField("type",11),
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FieldLenField("len",None,length_of="data",fmt="B", adjust = lambda pkt,x: (x)/8),
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ByteField("padlength",0),
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ByteField("reserved",0),
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StrLenField("CGA_PARAMS", "", length_from = lambda pkt: pkt.len*8 - pkt.padlength - 4),
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StrLenField("padding", None, length_from = lambda pkt: pkt.padlength) ]
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if __name__ == "__main__":
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from scapy.all import *
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interact(mydict=globals(), mybanner="SEND add-on")
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