From 1831e9bbc03484b078dbd604dfec0e025cea8eca Mon Sep 17 00:00:00 2001
From: Hanoh Haim <hhaim@cisco.com>
Date: Mon, 21 Mar 2016 12:55:16 +0200
Subject: scapy 3-0.18 with trex client diff
---
.../scapy-python3-0.18/scapy/contrib/dtp.py | 115 +++++++++++++++++++++
1 file changed, 115 insertions(+)
create mode 100644 scripts/external_libs/scapy-python3-0.18/scapy/contrib/dtp.py
(limited to 'scripts/external_libs/scapy-python3-0.18/scapy/contrib/dtp.py')
diff --git a/scripts/external_libs/scapy-python3-0.18/scapy/contrib/dtp.py b/scripts/external_libs/scapy-python3-0.18/scapy/contrib/dtp.py
new file mode 100644
index 00000000..1907300b
--- /dev/null
+++ b/scripts/external_libs/scapy-python3-0.18/scapy/contrib/dtp.py
@@ -0,0 +1,115 @@
+#!/usr/bin/env python
+
+# scapy.contrib.description = DTP
+# scapy.contrib.status = loads
+
+"""
+ DTP Scapy Extension
+ ~~~~~~~~~~~~~~~~~~~
+
+ :version: 2008-12-22
+ :author: Jochen Bartl <lobo@c3a.de>
+
+ :Thanks:
+
+ - TLV code derived from the CDP implementation of scapy. (Thanks to Nicolas Bareil and Arnaud Ebalard)
+ http://trac.secdev.org/scapy/ticket/18
+"""
+
+from scapy.packet import *
+from scapy.fields import *
+from scapy.layers.l2 import SNAP,Dot3,LLC
+from scapy.sendrecv import sendp
+
+class DtpGenericTlv(Packet):
+ name = "DTP Generic TLV"
+ fields_desc = [ XShortField("type", 0x0001),
+ FieldLenField("length", None, length_of=lambda pkt:pkt.value + 4),
+ StrLenField("value", "", length_from=lambda pkt:pkt.length - 4)
+ ]
+
+ def guess_payload_class(self, p):
+ return conf.padding_layer
+
+class RepeatedTlvListField(PacketListField):
+ def __init__(self, name, default, cls):
+ PacketField.__init__(self, name, default, cls)
+
+ def getfield(self, pkt, s):
+ lst = []
+ remain = s
+ while len(remain) > 0:
+ p = self.m2i(pkt,remain)
+ if conf.padding_layer in p:
+ pad = p[conf.padding_layer]
+ remain = pad.load
+ del(pad.underlayer.payload)
+ else:
+ remain = ""
+ lst.append(p)
+ return remain,lst
+
+ def addfield(self, pkt, s, val):
+ return s+reduce(str.__add__, map(str, val),"")
+
+_DTP_TLV_CLS = {
+ 0x0001 : "DTPDomain",
+ 0x0002 : "DTPStatus",
+ 0x0003 : "DTPType",
+ 0x0004 : "DTPNeighbor"
+ }
+
+class DTPDomain(DtpGenericTlv):
+ name = "DTP Domain"
+ fields_desc = [ ShortField("type", 1),
+ FieldLenField("length", None, "domain", adjust=lambda pkt,x:x + 4),
+ StrLenField("domain", "\x00", length_from=lambda pkt:pkt.length - 4)
+ ]
+
+class DTPStatus(DtpGenericTlv):
+ name = "DTP Status"
+ fields_desc = [ ShortField("type", 2),
+ FieldLenField("length", None, "status", adjust=lambda pkt,x:x + 4),
+ StrLenField("status", "\x03", length_from=lambda pkt:pkt.length - 4)
+ ]
+
+class DTPType(DtpGenericTlv):
+ name = "DTP Type"
+ fields_desc = [ ShortField("type", 3),
+ FieldLenField("length", None, "dtptype", adjust=lambda pkt,x:x + 4),
+ StrLenField("dtptype", "\xa5", length_from=lambda pkt:pkt.length - 4)
+ ]
+
+class DTPNeighbor(DtpGenericTlv):
+ name = "DTP Neighbor"
+ fields_desc = [ ShortField("type", 4),
+ #FieldLenField("length", None, "neighbor", adjust=lambda pkt,x:x + 4),
+ ShortField("len", 10),
+ MACField("neighbor", None)
+ ]
+
+def _DTPGuessPayloadClass(p, **kargs):
+ cls = conf.raw_layer
+ if len(p) >= 2:
+ t = struct.unpack("!H", p[:2])[0]
+ clsname = _DTP_TLV_CLS.get(t, "DtpGenericTlv")
+ cls = globals()[clsname]
+ return cls(p, **kargs)
+
+class DTP(Packet):
+ name = "DTP"
+ fields_desc = [ ByteField("ver", 1),
+ RepeatedTlvListField("tlvlist", [], _DTPGuessPayloadClass)
+ ]
+
+bind_layers(SNAP, DTP, code=0x2004, OUI=0xc)
+
+
+def negotiate_trunk(iface=conf.iface, mymac=str(RandMAC())):
+ print("Trying to negotiate a trunk on interface %s" % iface)
+ p = Dot3(src=mymac, dst="01:00:0c:cc:cc:cc")/LLC()/SNAP()/DTP(tlvlist=[DTPDomain(),DTPStatus(),DTPType(),DTPNeighbor(neighbor=mymac)])
+ sendp(p)
+
+if __name__ == "__main__":
+ from scapy.main import interact
+ interact(mydict=globals(), mybanner="DTP")
--
cgit