scapy.contrib.ospf

OSPF extension for Scapy <http://www.secdev.org/scapy>

This module provides Scapy layers for the Open Shortest Path First routing protocol as defined in RFC 2328 and RFC 5340.

Copyright (c) 2008 Dirk Loss : mail dirk-loss de Copyright (c) 2010 Jochen Bartl : jochen.bartl gmail com

class scapy.contrib.ospf.FieldLenField32Bits(name, default, length_of=None, fmt='H', count_of=None, adjust=<function FieldLenField.<lambda>>, fld=None)

Bases: scapy.fields.FieldLenField

i2repr(pkt, x)

class scapy.contrib.ospf.LLS_Crypto_Auth

Bases: scapy.contrib.ospf.LLS_Generic_TLV

aliastypes

fields_desc

LLS_Crypto_Auth fields

type	ShortField	2
len	FieldLenField	20
sequence	XIntField	0
authdata	StrLenField	b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'

class scapy.contrib.ospf.LLS_Extended_Options

Bases: scapy.contrib.ospf.LLS_Generic_TLV

aliastypes

fields_desc

LLS_Extended_Options fields

type	ShortField	1
len	FieldLenField	None
options	StrLenField	b''

class scapy.contrib.ospf.LLS_Generic_TLV

Bases: scapy.packet.Packet

aliastypes

fields_desc

LLS_Generic_TLV fields

type	ShortField	0
len	FieldLenField	None
val	StrLenField	b''

guess_payload_class(p)

class scapy.contrib.ospf.OSPFOptionsField(name='options', default=0, size=8, names=None)

Bases: scapy.fields.FlagsField

class scapy.contrib.ospf.OSPF_BaseLSA

Bases: scapy.packet.Packet

An abstract base class for Link State Advertisements

aliastypes

extract_padding(s)

post_build(p, pay)

class scapy.contrib.ospf.OSPF_DBDesc

Bases: scapy.packet.Packet

aliastypes

fields_desc

OSPF_DBDesc fields

mtu	ShortField	1500
options	OSPFOptionsField (8 bits)	<Flag 0 ()>
dbdescr	FlagsField (8 bits)	<Flag 0 ()>
ddseq	IntField	1
lsaheaders	PacketListField	[]

guess_payload_class(payload)

class scapy.contrib.ospf.OSPF_External_LSA

Bases: scapy.contrib.ospf.OSPF_BaseLSA

aliastypes

fields_desc

OSPF_External_LSA fields

age	ShortField	1
options	OSPFOptionsField (8 bits)	<Flag 0 ()>
type	ByteField	5
id	IPField	'192.168.0.0'
adrouter	IPField	'2.2.2.2'
seq	XIntField	2147483649
chksum	XShortField	None
len	ShortField	None
mask	IPField	'255.255.255.0'
ebit	FlagsField (1 bit)	<Flag 0 ()>
reserved	BitField (7 bits)	0
metric	X3BytesField	20
fwdaddr	IPField	'0.0.0.0'
tag	XIntField	0
tos	ByteField (Cond)	0
tosmetric	X3BytesField (Cond)	0

class scapy.contrib.ospf.OSPF_Hdr

Bases: scapy.packet.Packet

aliastypes

answers(other)

fields_desc

OSPF_Hdr fields

version	ByteField	2
type	ByteEnumField	1
len	_NoLLSLenField	None
src	IPField	'1.1.1.1'
area	IPField	'0.0.0.0'
chksum	XShortField	None
authtype	ShortEnumField	0
authdata	XLongField (Cond)	0
reserved	XShortField (Cond)	0
keyid	ByteField (Cond)	1
authdatalen	ByteField (Cond)	0
seq	XIntField (Cond)	0

hashret()

payload_guess

Possible sublayers: OSPF_DBDesc, OSPF_Hello, OSPF_LSAck, OSPF_LSReq, OSPF_LSUpd

post_build(p, pay)

class scapy.contrib.ospf.OSPF_Hello

Bases: scapy.packet.Packet

aliastypes

fields_desc

OSPF_Hello fields

mask	IPField	'255.255.255.0'
hellointerval	ShortField	10
options	OSPFOptionsField (8 bits)	<Flag 0 ()>
prio	ByteField	1
deadinterval	IntField	40
router	IPField	'0.0.0.0'
backup	IPField	'0.0.0.0'
neighbors	FieldListField	[]

guess_payload_class(payload)

class scapy.contrib.ospf.OSPF_LLS_Hdr

Bases: scapy.packet.Packet

aliastypes

fields_desc

OSPF_LLS_Hdr fields

chksum	XShortField	None
len	FieldLenField32Bits	None
llstlv	PacketListField	[]

post_build(p, pay)

class scapy.contrib.ospf.OSPF_LSA_Hdr

Bases: scapy.packet.Packet

aliastypes

extract_padding(s)

fields_desc

OSPF_LSA_Hdr fields

age	ShortField	1
options	OSPFOptionsField (8 bits)	<Flag 0 ()>
type	ByteEnumField	1
id	IPField	'192.168.0.0'
adrouter	IPField	'1.1.1.1'
seq	XIntField	2147483649
chksum	XShortField	0
len	ShortField	36

class scapy.contrib.ospf.OSPF_LSAck

Bases: scapy.packet.Packet

aliastypes

answers(other)

fields_desc

OSPF_LSAck fields

lsaheaders

PacketListField

[]

class scapy.contrib.ospf.OSPF_LSReq

Bases: scapy.packet.Packet

aliastypes

fields_desc

OSPF_LSReq fields

requests

PacketListField

[]

class scapy.contrib.ospf.OSPF_LSReq_Item

Bases: scapy.packet.Packet

aliastypes

extract_padding(s)

fields_desc

OSPF_LSReq_Item fields

type	IntEnumField	1
id	IPField	'1.1.1.1'
adrouter	IPField	'1.1.1.1'

class scapy.contrib.ospf.OSPF_LSUpd

Bases: scapy.packet.Packet

aliastypes

fields_desc

OSPF_LSUpd fields

lsacount	FieldLenField	None
lsalist	PacketListField	[]

class scapy.contrib.ospf.OSPF_Link

Bases: scapy.packet.Packet

aliastypes

extract_padding(s)

fields_desc

OSPF_Link fields

id	IPField	'192.168.0.0'
data	IPField	'255.255.255.0'
type	ByteEnumField	3
toscount	ByteField	0
metric	ShortField	10
tos	ByteField (Cond)	0
reserved	ByteField (Cond)	0
tosmetric	ShortField (Cond)	0

class scapy.contrib.ospf.OSPF_NSSA_External_LSA

Bases: scapy.contrib.ospf.OSPF_External_LSA

aliastypes

fields_desc

OSPF_NSSA_External_LSA fields

age	ShortField	1
options	OSPFOptionsField (8 bits)	<Flag 0 ()>
type	ByteField	7
id	IPField	'192.168.0.0'
adrouter	IPField	'2.2.2.2'
seq	XIntField	2147483649
chksum	XShortField	None
len	ShortField	None
mask	IPField	'255.255.255.0'
ebit	FlagsField (1 bit)	<Flag 0 ()>
reserved	BitField (7 bits)	0
metric	X3BytesField	20
fwdaddr	IPField	'0.0.0.0'
tag	XIntField	0
tos	ByteField (Cond)	0
tosmetric	X3BytesField (Cond)	0

class scapy.contrib.ospf.OSPF_Network_LSA

Bases: scapy.contrib.ospf.OSPF_BaseLSA

aliastypes

fields_desc

OSPF_Network_LSA fields

age	ShortField	1
options	OSPFOptionsField (8 bits)	<Flag 0 ()>
type	ByteField	2
id	IPField	'192.168.0.0'
adrouter	IPField	'1.1.1.1'
seq	XIntField	2147483649
chksum	XShortField	None
len	ShortField	None
mask	IPField	'255.255.255.0'
routerlist	FieldListField	[]

class scapy.contrib.ospf.OSPF_Router_LSA

Bases: scapy.contrib.ospf.OSPF_BaseLSA

aliastypes

fields_desc

OSPF_Router_LSA fields

age	ShortField	1
options	OSPFOptionsField (8 bits)	<Flag 0 ()>
type	ByteField	1
id	IPField	'1.1.1.1'
adrouter	IPField	'1.1.1.1'
seq	XIntField	2147483649
chksum	XShortField	None
len	ShortField	None
flags	FlagsField (8 bits)	<Flag 0 ()>
reserved	ByteField	0
linkcount	FieldLenField	None
linklist	PacketListField	[]

class scapy.contrib.ospf.OSPF_SummaryASBR_LSA

Bases: scapy.contrib.ospf.OSPF_SummaryIP_LSA

aliastypes

fields_desc

OSPF_SummaryASBR_LSA fields

age	ShortField	1
options	OSPFOptionsField (8 bits)	<Flag 0 ()>
type	ByteField	4
id	IPField	'2.2.2.2'
adrouter	IPField	'1.1.1.1'
seq	XIntField	2147483649
chksum	XShortField	None
len	ShortField	None
mask	IPField	'0.0.0.0'
reserved	ByteField	0
metric	X3BytesField	20
tos	ByteField (Cond)	0
tosmetric	X3BytesField (Cond)	0

class scapy.contrib.ospf.OSPF_SummaryIP_LSA

Bases: scapy.contrib.ospf.OSPF_BaseLSA

aliastypes

fields_desc

OSPF_SummaryIP_LSA fields

age	ShortField	1
options	OSPFOptionsField (8 bits)	<Flag 0 ()>
type	ByteField	3
id	IPField	'192.168.0.0'
adrouter	IPField	'1.1.1.1'
seq	XIntField	2147483649
chksum	XShortField	None
len	ShortField	None
mask	IPField	'255.255.255.0'
reserved	ByteField	0
metric	X3BytesField	10
tos	ByteField (Cond)	0
tosmetric	X3BytesField (Cond)	0

class scapy.contrib.ospf.OSPFv3OptionsField(name='options', default=0, size=24, names=None)

Bases: scapy.fields.FlagsField

class scapy.contrib.ospf.OSPFv3PrefixOptionsField(name='prefixoptions', default=0, size=8, names=None)

Bases: scapy.fields.FlagsField

class scapy.contrib.ospf.OSPFv3_AS_External_LSA

Bases: scapy.contrib.ospf.OSPF_BaseLSA

aliastypes

fields_desc

OSPFv3_AS_External_LSA fields

age	ShortField	1
type	ShortEnumField	16389
id	IPField	'0.0.0.0'
adrouter	IPField	'1.1.1.1'
seq	XIntField	2147483649
chksum	XShortField	None
len	ShortField	None
flags	FlagsField (8 bits)	<Flag 0 ()>
metric	X3BytesField	20
prefixlen	FieldLenField	None
prefixoptions	OSPFv3PrefixOptionsField (8 bits)	<Flag 0 ()>
reflstype	ShortEnumField	0
prefix	IP6PrefixField	('2001:db8:0:42::', 64)
fwaddr	IP6Field (Cond)	'::'
tag	IntField (Cond)	0
reflsid	IPField (Cond)	0

class scapy.contrib.ospf.OSPFv3_DBDesc

Bases: scapy.packet.Packet

aliastypes

fields_desc

OSPFv3_DBDesc fields

reserved	ByteField	0
options	OSPFv3OptionsField (24 bits)	<Flag 0 ()>
mtu	ShortField	1500
reserved2	ByteField	0
dbdescr	FlagsField (8 bits)	<Flag 0 ()>
ddseq	IntField	1
lsaheaders	PacketListField	[]

class scapy.contrib.ospf.OSPFv3_Hdr

Bases: scapy.packet.Packet

aliastypes

fields_desc

OSPFv3_Hdr fields

version	ByteField	3
type	ByteEnumField	1
len	ShortField	None
src	IPField	'1.1.1.1'
area	IPField	'0.0.0.0'
chksum	XShortField	None
instance	ByteField	0
reserved	ByteField	0

payload_guess

Possible sublayers: OSPFv3_DBDesc, OSPFv3_Hello, OSPFv3_LSAck, OSPFv3_LSReq, OSPFv3_LSUpd

post_build(p, pay)

class scapy.contrib.ospf.OSPFv3_Hello

Bases: scapy.packet.Packet

aliastypes

fields_desc

OSPFv3_Hello fields

intid	IntField	0
prio	ByteField	1
options	OSPFv3OptionsField (24 bits)	<Flag 0 ()>
hellointerval	ShortField	10
deadinterval	ShortField	40
router	IPField	'0.0.0.0'
backup	IPField	'0.0.0.0'
neighbors	FieldListField	[]

class scapy.contrib.ospf.OSPFv3_Inter_Area_Prefix_LSA

Bases: scapy.contrib.ospf.OSPF_BaseLSA

aliastypes

fields_desc

OSPFv3_Inter_Area_Prefix_LSA fields

age	ShortField	1
type	ShortEnumField	8195
id	IPField	'0.0.0.0'
adrouter	IPField	'1.1.1.1'
seq	XIntField	2147483649
chksum	XShortField	None
len	ShortField	None
reserved	ByteField	0
metric	X3BytesField	10
prefixlen	FieldLenField	None
prefixoptions	OSPFv3PrefixOptionsField (8 bits)	<Flag 0 ()>
reserved2	ShortField	0
prefix	IP6PrefixField	('2001:db8:0:42::', 64)

class scapy.contrib.ospf.OSPFv3_Inter_Area_Router_LSA

Bases: scapy.contrib.ospf.OSPF_BaseLSA

aliastypes

fields_desc

OSPFv3_Inter_Area_Router_LSA fields

age	ShortField	1
type	ShortEnumField	8196
id	IPField	'0.0.0.0'
adrouter	IPField	'1.1.1.1'
seq	XIntField	2147483649
chksum	XShortField	None
len	ShortField	None
reserved	ByteField	0
options	OSPFv3OptionsField (24 bits)	<Flag 0 ()>
reserved2	ByteField	0
metric	X3BytesField	1
router	IPField	'2.2.2.2'

class scapy.contrib.ospf.OSPFv3_Intra_Area_Prefix_LSA

Bases: scapy.contrib.ospf.OSPF_BaseLSA

aliastypes

fields_desc

OSPFv3_Intra_Area_Prefix_LSA fields

age	ShortField	1
type	ShortEnumField	8201
id	IPField	'0.0.0.0'
adrouter	IPField	'1.1.1.1'
seq	XIntField	2147483649
chksum	XShortField	None
len	ShortField	None
prefixes	FieldLenField	None
reflstype	ShortEnumField	0
reflsid	IPField	'0.0.0.0'
refadrouter	IPField	'0.0.0.0'
prefixlist	PacketListField	[]

class scapy.contrib.ospf.OSPFv3_LSA_Hdr

Bases: scapy.packet.Packet

aliastypes

extract_padding(s)

fields_desc

OSPFv3_LSA_Hdr fields

age	ShortField	1
type	ShortEnumField	8193
id	IPField	'0.0.0.0'
adrouter	IPField	'1.1.1.1'
seq	XIntField	2147483649
chksum	XShortField	0
len	ShortField	36

class scapy.contrib.ospf.OSPFv3_LSAck

Bases: scapy.packet.Packet

aliastypes

fields_desc

OSPFv3_LSAck fields

lsaheaders

PacketListField

[]

class scapy.contrib.ospf.OSPFv3_LSReq

Bases: scapy.packet.Packet

aliastypes

fields_desc

OSPFv3_LSReq fields

requests

PacketListField

[]

class scapy.contrib.ospf.OSPFv3_LSReq_Item

Bases: scapy.packet.Packet

aliastypes

extract_padding(s)

fields_desc

OSPFv3_LSReq_Item fields

reserved	ShortField	0
type	ShortEnumField	8193
id	IPField	'1.1.1.1'
adrouter	IPField	'1.1.1.1'

class scapy.contrib.ospf.OSPFv3_LSUpd

Bases: scapy.packet.Packet

aliastypes

fields_desc

OSPFv3_LSUpd fields

lsacount	FieldLenField	None
lsalist	PacketListField	[]

class scapy.contrib.ospf.OSPFv3_Link

Bases: scapy.packet.Packet

aliastypes

extract_padding(s)

fields_desc

OSPFv3_Link fields

type	ByteEnumField	1
reserved	ByteField	0
metric	ShortField	10
intid	IntField	0
neighintid	IntField	0
neighbor	IPField	'2.2.2.2'

class scapy.contrib.ospf.OSPFv3_Link_LSA

Bases: scapy.contrib.ospf.OSPF_BaseLSA

aliastypes

fields_desc

OSPFv3_Link_LSA fields

age	ShortField	1
type	ShortEnumField	8
id	IPField	'0.0.0.0'
adrouter	IPField	'1.1.1.1'
seq	XIntField	2147483649
chksum	XShortField	None
len	ShortField	None
prio	ByteField	1
options	OSPFv3OptionsField (24 bits)	<Flag 0 ()>
lladdr	IP6Field	'fe80::'
prefixes	FieldLenField	None
prefixlist	PacketListField	[]

class scapy.contrib.ospf.OSPFv3_Network_LSA

Bases: scapy.contrib.ospf.OSPF_BaseLSA

aliastypes

fields_desc

OSPFv3_Network_LSA fields

age	ShortField	1
type	ShortEnumField	8194
id	IPField	'0.0.0.0'
adrouter	IPField	'1.1.1.1'
seq	XIntField	2147483649
chksum	XShortField	None
len	ShortField	None
reserved	ByteField	0
options	OSPFv3OptionsField (24 bits)	<Flag 0 ()>
routerlist	FieldListField	[]

class scapy.contrib.ospf.OSPFv3_Prefix_Item

Bases: scapy.packet.Packet

aliastypes

extract_padding(s)

fields_desc

OSPFv3_Prefix_Item fields

prefixlen	FieldLenField	None
prefixoptions	OSPFv3PrefixOptionsField (8 bits)	<Flag 0 ()>
metric	ShortField	10
prefix	IP6PrefixField	('2001:db8:0:42::', 64)

class scapy.contrib.ospf.OSPFv3_Router_LSA

Bases: scapy.contrib.ospf.OSPF_BaseLSA

aliastypes

fields_desc

OSPFv3_Router_LSA fields

age	ShortField	1
type	ShortEnumField	8193
id	IPField	'0.0.0.0'
adrouter	IPField	'1.1.1.1'
seq	XIntField	2147483649
chksum	XShortField	None
len	ShortField	None
flags	FlagsField (8 bits)	<Flag 0 ()>
options	OSPFv3OptionsField (24 bits)	<Flag 0 ()>
linklist	PacketListField	[]

class scapy.contrib.ospf.OSPFv3_Type_7_LSA

Bases: scapy.contrib.ospf.OSPFv3_AS_External_LSA

aliastypes

fields_desc

OSPFv3_Type_7_LSA fields

age	ShortField	1
type	ShortEnumField	8199
id	IPField	'0.0.0.0'
adrouter	IPField	'1.1.1.1'
seq	XIntField	2147483649
chksum	XShortField	None
len	ShortField	None
flags	FlagsField (8 bits)	<Flag 0 ()>
metric	X3BytesField	20
prefixlen	FieldLenField	None
prefixoptions	OSPFv3PrefixOptionsField (8 bits)	<Flag 0 ()>
reflstype	ShortEnumField	0
prefix	IP6PrefixField	('2001:db8:0:42::', 64)
fwaddr	IP6Field (Cond)	'::'
tag	IntField (Cond)	0
reflsid	IPField (Cond)	0

scapy.contrib.ospf.ospf_lsa_checksum(lsa)