scapy.contrib.ife¶

IFE - ForCES Inter-FE LFB type¶

author

license

GPLv2

This module 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 (at your option) any later version.

This module 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.

description

This module provides Scapy layers for the IFE protocol.

normative references:

RFC 8013 Forwarding and Control Element Separation (ForCES) Inter-FE Logical Functional Block (LFB) https://tools.ietf.org/html/rfc8013

class scapy.contrib.ife.IFE(*args, **kargs)[source]¶

Bases: scapy.base_classes.Gen[scapy.packet.Packet]

Main IFE Packet Class

aliastypes¶

fields_desc¶

Display RFC-like schema

 0                   1                   2                   3
 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|             MDLEN             |              TLVS             |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

                             Fig. IFE

IFE fields¶
mdlen	`FieldLenField`	`None`
tlvs	`PacketListField`	`[]`

class scapy.contrib.ife.IFETlv(*args, **kargs)[source]¶

Bases: scapy.base_classes.Gen[scapy.packet.Packet]

Parent Class interhit by all ForCES TLV strucutures

aliastypes¶

extract_padding(s)[source]¶

fields_desc¶

Display RFC-like schema

 0                   1                   2                   3
 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|              TYPE             |             LENGTH            |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|                             VALUE                             |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

                           Fig. IFETlv

IFETlv fields¶
type	`ShortEnumField`	`0`
length	`FieldLenField`	`None`
value	`MultipleTypeField` (PadField, PadField, PadField)	`0`

class scapy.contrib.ife.IFETlvStr(*args, **kargs)[source]¶

Bases: scapy.base_classes.Gen[scapy.packet.Packet]

A IFE TLV with variable payload

aliastypes¶

fields_desc¶

Display RFC-like schema

 0                   1                   2                   3
 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|              TYPE             |             LENGTH            |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|             VALUE             |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

                          Fig. IFETlvStr

IFETlvStr fields¶
type	`ShortEnumField`	`0`
length	`FieldLenField`	`None`
value	`StrField`	`b''`