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