pypacker.layer3 package

Submodules

pypacker.layer3.esp module

Encapsulated Security Protocol.

class pypacker.layer3.esp.ESP(*args, **kwargs)

Bases: pypacker.pypacker.Packet

__hdr__ = (('spi', 'I', 0), ('seq', 'I', 0))

seq

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spi

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pypacker.layer3.icmp module

Internet Control Message Protocol for IPv4.

class pypacker.layer3.icmp.ICMP(*args, **kwargs)

Bases: pypacker.pypacker.Packet

class Echo(*args, **kwargs)

Bases: pypacker.pypacker.Packet

__hdr__ = (('id', 'H', 0), ('seq', 'H', 1), ('ts', 'd', 0))

id

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seq

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ts

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class ICMP.Redirect(*args, **kwargs)

Bases: pypacker.pypacker.Packet

__hdr__ = (('gw', 'I', 0), ('seq', 'H', 0))

gw

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seq

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class ICMP.Unreach(*args, **kwargs)

Bases: pypacker.pypacker.Packet

__hdr__ = (('pad', 'H', 0), ('mtu', 'H', 0))

mtu

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pad

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ICMP.__hdr__ = (('type', 'B', 8), ('code', 'B', 0), ('sum', 'H', 0, True))

ICMP.bin(update_auto_fields=True)

ICMP.code

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ICMP.sum

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ICMP.sum_au_active = True

ICMP.type

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pypacker.layer3.icmp6 module

Internet Control Message Protocol for IPv6.

class pypacker.layer3.icmp6.ICMP6(*args, **kwargs)

Bases: pypacker.pypacker.Packet

class Echo(*args, **kwargs)

Bases: pypacker.pypacker.Packet

__hdr__ = (('id', 'H', 0), ('seq', 'H', 0))

id

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seq

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class ICMP6.Error(*args, **kwargs)

Bases: pypacker.pypacker.Packet

__hdr__ = (('pad', 'I', 0),)

pad

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class ICMP6.ParamProb(*args, **kwargs)

Bases: pypacker.layer3.icmp6.Error

__hdr__ = (('ptr', 'I', 0),)

ptr

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class ICMP6.TimeExceed(*args, **kwargs)

Bases: pypacker.layer3.icmp6.Error

pad

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class ICMP6.TooBig(*args, **kwargs)

Bases: pypacker.layer3.icmp6.Error

__hdr__ = (('mtu', 'I', 1232),)

mtu

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class ICMP6.Unreach(*args, **kwargs)

Bases: pypacker.layer3.icmp6.Error

pad

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ICMP6.__hdr__ = (('type', 'B', 0), ('code', 'B', 0), ('sum', 'H', 0))

ICMP6.code

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ICMP6.sum

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ICMP6.type

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pypacker.layer3.igmp module

Internet Group Management Protocol.

class pypacker.layer3.igmp.IGMP(*args, **kwargs)

Bases: pypacker.pypacker.Packet

__hdr__ = (('type', 'B', 0), ('maxresp', 'B', 0), ('sum', 'H', 0, True), ('group', 'I', 0))

bin(update_auto_fields=True)

group

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maxresp

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sum

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sum_au_active = True

type

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pypacker.layer3.ip module

Internet Protocol version 4.

RFC 791

class pypacker.layer3.ip.IP(*args, **kwargs)

Bases: pypacker.pypacker.Packet

__hdr__ = (('v_hl', 'B', 69, True), ('tos', 'B', 0), ('len', 'H', 20, True), ('id', 'H', 0), ('off', 'H', 0), ('ttl', 'B', 64), ('p', 'B', 6), ('sum', 'H', 0, True), ('src', '4s', b'\x00\x00\x00\x00'), ('dst', '4s', b'\x00\x00\x00\x00'), ('opts', None, <class 'pypacker.triggerlist.TriggerList'>))

bin(update_auto_fields=True)

create_fragments(fragment_len=1480)

Create fragment packets from this IP packet with max fragment_len bytes each. This will set the flags and offset values accordingly (see header field off).

fragment_len – max length of a fragment (IP header + payload) return – fragment IP packets created from this packet

direction(other)

dst

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dst_s

flags

hl

id

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len

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len_au_active = True

off

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offset

opts

p

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reverse_address()

src

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src_s

sum

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sum_au_active = True

tos

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ttl

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v

v_hl

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v_hl_au_active = True

class pypacker.layer3.ip.IPOptMulti(*args, **kwargs)

Bases: pypacker.pypacker.Packet

len = total length (header + data)

__hdr__ = (('type', 'B', 0), ('len', 'B', 2))

bin(update_auto_fields=True)

len

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type

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class pypacker.layer3.ip.IPOptSingle(*args, **kwargs)

Bases: pypacker.pypacker.Packet

__hdr__ = (('type', 'B', 0),)

type

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pypacker.layer3.ip6 module

Internet Protocol version 6..for whoever needs it (:

RFC 2460

class pypacker.layer3.ip6.IP6(*args, **kwargs)

Bases: pypacker.pypacker.Packet

__hdr__ = (('v_fc_flow', 'I', 1610612736), ('dlen', 'H', 0), ('nxt', 'B', 0), ('hlim', 'B', 0), ('src', '16s', b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'), ('dst', '16s', b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'), ('opts', None, <class 'pypacker.triggerlist.TriggerList'>))

direction(other)

dlen

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dst

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fc

flow

hlim

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nxt

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opts

reverse_address()

src

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v

v_fc_flow

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class pypacker.layer3.ip6.IP6AHHeader(*args, **kwargs)

Bases: pypacker.pypacker.Packet

__hdr__ = (('nxt', 'B', 0), ('len', 'B', 0), ('resv', 'H', 0), ('spi', 'I', 0), ('seq', 'I', 0))

len

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nxt

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resv

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seq

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spi

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class pypacker.layer3.ip6.IP6DstOptsHeader(*args, **kwargs)

Bases: pypacker.layer3.ip6.IP6OptsHeader

len

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nxt

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opts

class pypacker.layer3.ip6.IP6ESPHeader(*args, **kwargs)

Bases: pypacker.pypacker.Packet

class pypacker.layer3.ip6.IP6FragmentHeader(*args, **kwargs)

Bases: pypacker.pypacker.Packet

__hdr__ = (('nxt', 'B', 0), ('resv', 'B', 0), ('frag_off_resv_m', 'H', 0), ('id', 'I', 0))

frag_off

frag_off_resv_m

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id

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m_flag

nxt

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resv

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class pypacker.layer3.ip6.IP6HopOptsHeader(*args, **kwargs)

Bases: pypacker.layer3.ip6.IP6OptsHeader

len

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nxt

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opts

class pypacker.layer3.ip6.IP6Option(*args, **kwargs)

Bases: pypacker.pypacker.Packet

__hdr__ = (('type', 'B', 0), ('len', 'B', 0))

len

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type

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class pypacker.layer3.ip6.IP6OptionPad(*args, **kwargs)

Bases: pypacker.pypacker.Packet

__hdr__ = (('type', 'B', 0),)

type

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class pypacker.layer3.ip6.IP6OptsHeader(*args, **kwargs)

Bases: pypacker.pypacker.Packet

__hdr__ = (('nxt', 'B', 0), ('len', 'B', 0), ('opts', None, <class 'pypacker.triggerlist.TriggerList'>))

len

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nxt

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opts

class pypacker.layer3.ip6.IP6RoutingHeader(*args, **kwargs)

Bases: pypacker.pypacker.Packet

__hdr__ = (('nxt', 'B', 0), ('len', 'B', 0), ('type', 'B', 0), ('segs_left', 'B', 0), ('rsvd_sl_bits', 'I', 0), ('addresses', None, <class 'pypacker.triggerlist.TriggerList'>))

addresses

len

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nxt

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rsvd_sl_bits

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segs_left

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sl_bits

type

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pypacker.layer3.ip_shared module

Shared constants for IPv4 and IPv6.

pypacker.layer3.ipx module

Internetwork Packet Exchange.

class pypacker.layer3.ipx.IPX(*args, **kwargs)

Bases: pypacker.pypacker.Packet

__hdr__ = (('sum', 'H', 65535), ('len', 'H', 30), ('tc', 'B', 0), ('pt', 'B', 0), ('dst', '12s', b''), ('src', '12s', b''))

dst

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len

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pt

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src

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sum

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tc

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pypacker.layer3.ospf module

Open Shortest Path First.

class pypacker.layer3.ospf.OSPF(*args, **kwargs)

Bases: pypacker.pypacker.Packet

__hdr__ = (('v', 'B', 0), ('type', 'B', 0), ('len', 'H', 0), ('router', 'I', 0), ('area', 'I', 0), ('sum', 'H', 0, True), ('atype', 'H', 0), ('auth', '8s', b''))

area

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atype

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auth

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bin(update_auto_fields=True)

len

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router

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sum

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sum_au_active = True

type

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v

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pypacker.layer3.pim module

Protocol Independent Multicast.

class pypacker.layer3.pim.PIM(*args, **kwargs)

Bases: pypacker.pypacker.Packet

__hdr__ = (('v_type', 'B', 32), ('rsvd', 'B', 0), ('sum', 'H', 0, True))

bin(update_auto_fields=True)

rsvd

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sum

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sum_au_active = True

type

v

v_type

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Module contents