scapy.layers.sctp¶

SCTP (Stream Control Transmission Protocol).

class scapy.layers.sctp.ChunkParamField(name, default, count_from=None, length_from=None)¶

Bases: scapy.fields.PacketListField

m2i(p, m)¶

class scapy.layers.sctp.GapAckField(name, default)¶

Bases: scapy.fields.Field

any2i(pkt, x)¶

i2m(pkt, x)¶

m2i(pkt, x)¶

class scapy.layers.sctp.SCTP¶

Bases: scapy.layers.sctp._SCTPChunkGuessPayload, scapy.packet.Packet

aliastypes¶

answers(other)¶

fields_desc¶

SCTP fields¶
sport	`ShortField`	`None`
dport	`ShortField`	`None`
tag	`XIntField`	`None`
chksum	`XIntField`	`None`

post_build(p, pay)¶

class scapy.layers.sctp.SCTPChunkAbort¶

Bases: scapy.layers.sctp._SCTPChunkGuessPayload, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkAbort fields¶
type	`ByteEnumField`	`6`
reserved	`BitField` (7 bits)	`None`
TCB	`BitField` (1 bit)	`0`
len	`FieldLenField`	`None`
error_causes	`PadField`	`b''`

class scapy.layers.sctp.SCTPChunkAddressConf¶

Bases: scapy.layers.sctp._SCTPChunkGuessPayload, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkAddressConf fields¶
type	`ByteEnumField`	`193`
flags	`XByteField`	`None`
len	`FieldLenField`	`None`
seq	`IntField`	`0`
params	`ChunkParamField`	`[]`

class scapy.layers.sctp.SCTPChunkAddressConfAck¶

Bases: scapy.layers.sctp.SCTPChunkAddressConf

aliastypes¶

fields_desc¶

SCTPChunkAddressConfAck fields¶
type	`ByteEnumField`	`128`
flags	`XByteField`	`None`
len	`FieldLenField`	`None`
seq	`IntField`	`0`
params	`ChunkParamField`	`[]`

class scapy.layers.sctp.SCTPChunkAuthentication¶

Bases: scapy.layers.sctp._SCTPChunkGuessPayload, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkAuthentication fields¶
type	`ByteEnumField`	`15`
flags	`XByteField`	`None`
len	`FieldLenField`	`None`
shared_key_id	`ShortField`	`None`
HMAC_function	`ShortField`	`None`
HMAC	`PadField`	`b''`

class scapy.layers.sctp.SCTPChunkCookieAck¶

Bases: scapy.layers.sctp._SCTPChunkGuessPayload, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkCookieAck fields¶
type	`ByteEnumField`	`11`
flags	`XByteField`	`None`
len	`ShortField`	`4`

class scapy.layers.sctp.SCTPChunkCookieEcho¶

Bases: scapy.layers.sctp.SCTPChunkError

aliastypes¶

fields_desc¶

SCTPChunkCookieEcho fields¶
type	`ByteEnumField`	`10`
flags	`XByteField`	`None`
len	`FieldLenField`	`None`
cookie	`PadField`	`b''`

class scapy.layers.sctp.SCTPChunkData¶

Bases: scapy.layers.sctp._SCTPChunkGuessPayload, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkData fields¶
type	`ByteEnumField`	`0`
reserved	`BitField` (4 bits)	`None`
delay_sack	`BitField` (1 bit)	`0`
unordered	`BitField` (1 bit)	`0`
beginning	`BitField` (1 bit)	`0`
ending	`BitField` (1 bit)	`0`
len	`FieldLenField`	`None`
tsn	`XIntField`	`None`
stream_id	`XShortField`	`None`
stream_seq	`XShortField`	`None`
proto_id	`IntEnumField`	`None`
data	`PadField`	`None`

payload_guess¶: Possible sublayers: DiamG

class scapy.layers.sctp.SCTPChunkError¶

Bases: scapy.layers.sctp._SCTPChunkGuessPayload, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkError fields¶
type	`ByteEnumField`	`9`
flags	`XByteField`	`None`
len	`FieldLenField`	`None`
error_causes	`PadField`	`b''`

class scapy.layers.sctp.SCTPChunkHeartbeatAck¶

Bases: scapy.layers.sctp.SCTPChunkHeartbeatReq

aliastypes¶

fields_desc¶

SCTPChunkHeartbeatAck fields¶
type	`ByteEnumField`	`5`
flags	`XByteField`	`None`
len	`FieldLenField`	`None`
params	`ChunkParamField`	`[]`

class scapy.layers.sctp.SCTPChunkHeartbeatReq¶

Bases: scapy.layers.sctp._SCTPChunkGuessPayload, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkHeartbeatReq fields¶
type	`ByteEnumField`	`4`
flags	`XByteField`	`None`
len	`FieldLenField`	`None`
params	`ChunkParamField`	`[]`

class scapy.layers.sctp.SCTPChunkInit¶

Bases: scapy.layers.sctp._SCTPChunkGuessPayload, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkInit fields¶
type	`ByteEnumField`	`1`
flags	`XByteField`	`None`
len	`FieldLenField`	`None`
init_tag	`XIntField`	`None`
a_rwnd	`IntField`	`None`
n_out_streams	`ShortField`	`None`
n_in_streams	`ShortField`	`None`
init_tsn	`XIntField`	`None`
params	`ChunkParamField`	`[]`

class scapy.layers.sctp.SCTPChunkInitAck¶

Bases: scapy.layers.sctp.SCTPChunkInit

aliastypes¶

fields_desc¶

SCTPChunkInitAck fields¶
type	`ByteEnumField`	`2`
flags	`XByteField`	`None`
len	`FieldLenField`	`None`
init_tag	`XIntField`	`None`
a_rwnd	`IntField`	`None`
n_out_streams	`ShortField`	`None`
n_in_streams	`ShortField`	`None`
init_tsn	`XIntField`	`None`
params	`ChunkParamField`	`[]`

class scapy.layers.sctp.SCTPChunkParamAdaptationLayer¶

Bases: scapy.layers.sctp._SCTPChunkParam, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkParamAdaptationLayer fields¶
type	`ShortEnumField`	`49158`
len	`ShortField`	`8`
indication	`XIntField`	`None`

class scapy.layers.sctp.SCTPChunkParamAddIPAddr¶

Bases: scapy.layers.sctp._SCTPChunkParam, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkParamAddIPAddr fields¶
type	`ShortEnumField`	`49153`
len	`FieldLenField`	`None`
correlation_id	`XIntField`	`None`
addr_type	`ShortEnumField`	`5`
addr_len	`FieldLenField`	`None`
addr	`IPField` (Cond)	`'127.0.0.1'`
addr	`IP6Field` (Cond)	`'::1'`

class scapy.layers.sctp.SCTPChunkParamChunkList¶

Bases: scapy.layers.sctp._SCTPChunkParam, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkParamChunkList fields¶
type	`ShortEnumField`	`32771`
len	`FieldLenField`	`None`
chunk_list	`PadField`	`[]`

class scapy.layers.sctp.SCTPChunkParamCookiePreservative¶

Bases: scapy.layers.sctp._SCTPChunkParam, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkParamCookiePreservative fields¶
type	`ShortEnumField`	`9`
len	`ShortField`	`8`
sug_cookie_inc	`XIntField`	`None`

class scapy.layers.sctp.SCTPChunkParamDelIPAddr¶

Bases: scapy.layers.sctp.SCTPChunkParamAddIPAddr

aliastypes¶

fields_desc¶

SCTPChunkParamDelIPAddr fields¶
type	`ShortEnumField`	`49154`
len	`FieldLenField`	`None`
correlation_id	`XIntField`	`None`
addr_type	`ShortEnumField`	`5`
addr_len	`FieldLenField`	`None`
addr	`IPField` (Cond)	`'127.0.0.1'`
addr	`IP6Field` (Cond)	`'::1'`

class scapy.layers.sctp.SCTPChunkParamECNCapable¶

Bases: scapy.layers.sctp._SCTPChunkParam, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkParamECNCapable fields¶
type	`ShortEnumField`	`32768`
len	`ShortField`	`4`

class scapy.layers.sctp.SCTPChunkParamErrorIndication¶

Bases: scapy.layers.sctp._SCTPChunkParam, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkParamErrorIndication fields¶
type	`ShortEnumField`	`49155`
len	`FieldLenField`	`None`
correlation_id	`XIntField`	`None`
error_causes	`PadField`	`b''`

class scapy.layers.sctp.SCTPChunkParamFwdTSN¶

Bases: scapy.layers.sctp._SCTPChunkParam, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkParamFwdTSN fields¶
type	`ShortEnumField`	`49152`
len	`ShortField`	`4`

class scapy.layers.sctp.SCTPChunkParamHearbeatInfo¶

Bases: scapy.layers.sctp._SCTPChunkParam, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkParamHearbeatInfo fields¶
type	`ShortEnumField`	`1`
len	`FieldLenField`	`None`
data	`PadField`	`b''`

class scapy.layers.sctp.SCTPChunkParamHostname¶

Bases: scapy.layers.sctp._SCTPChunkParam, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkParamHostname fields¶
type	`ShortEnumField`	`11`
len	`FieldLenField`	`None`
hostname	`PadField`	`b''`

class scapy.layers.sctp.SCTPChunkParamIPv4Addr¶

Bases: scapy.layers.sctp._SCTPChunkParam, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkParamIPv4Addr fields¶
type	`ShortEnumField`	`5`
len	`ShortField`	`8`
addr	`IPField`	`'127.0.0.1'`

class scapy.layers.sctp.SCTPChunkParamIPv6Addr¶

Bases: scapy.layers.sctp._SCTPChunkParam, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkParamIPv6Addr fields¶
type	`ShortEnumField`	`6`
len	`ShortField`	`20`
addr	`IP6Field`	`'::1'`

class scapy.layers.sctp.SCTPChunkParamRandom¶

Bases: scapy.layers.sctp._SCTPChunkParam, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkParamRandom fields¶
type	`ShortEnumField`	`32770`
len	`FieldLenField`	`None`
random	`PadField`	`<RandBin>`

class scapy.layers.sctp.SCTPChunkParamRequestedHMACFunctions¶

Bases: scapy.layers.sctp._SCTPChunkParam, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkParamRequestedHMACFunctions fields¶
type	`ShortEnumField`	`32772`
len	`FieldLenField`	`None`
HMAC_functions_list	`PadField`	`[1]`

class scapy.layers.sctp.SCTPChunkParamSetPrimaryAddr¶

Bases: scapy.layers.sctp.SCTPChunkParamAddIPAddr

aliastypes¶

fields_desc¶

SCTPChunkParamSetPrimaryAddr fields¶
type	`ShortEnumField`	`49156`
len	`FieldLenField`	`None`
correlation_id	`XIntField`	`None`
addr_type	`ShortEnumField`	`5`
addr_len	`FieldLenField`	`None`
addr	`IPField` (Cond)	`'127.0.0.1'`
addr	`IP6Field` (Cond)	`'::1'`

class scapy.layers.sctp.SCTPChunkParamStateCookie¶

Bases: scapy.layers.sctp._SCTPChunkParam, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkParamStateCookie fields¶
type	`ShortEnumField`	`7`
len	`FieldLenField`	`None`
cookie	`PadField`	`b''`

class scapy.layers.sctp.SCTPChunkParamSuccessIndication¶

Bases: scapy.layers.sctp._SCTPChunkParam, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkParamSuccessIndication fields¶
type	`ShortEnumField`	`49157`
len	`ShortField`	`8`
correlation_id	`XIntField`	`None`

class scapy.layers.sctp.SCTPChunkParamSupportedAddrTypes¶

Bases: scapy.layers.sctp._SCTPChunkParam, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkParamSupportedAddrTypes fields¶
type	`ShortEnumField`	`12`
len	`FieldLenField`	`None`
addr_type_list	`PadField`	`[5]`

class scapy.layers.sctp.SCTPChunkParamSupportedExtensions¶

Bases: scapy.layers.sctp._SCTPChunkParam, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkParamSupportedExtensions fields¶
type	`ShortEnumField`	`32776`
len	`FieldLenField`	`None`
supported_extensions	`PadField`	`[15, 193, 128]`

class scapy.layers.sctp.SCTPChunkParamUnrocognizedParam¶

Bases: scapy.layers.sctp._SCTPChunkParam, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkParamUnrocognizedParam fields¶
type	`ShortEnumField`	`8`
len	`FieldLenField`	`None`
param	`PadField`	`b''`

class scapy.layers.sctp.SCTPChunkSACK¶

Bases: scapy.layers.sctp._SCTPChunkGuessPayload, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkSACK fields¶
type	`ByteEnumField`	`3`
flags	`XByteField`	`None`
len	`ShortField`	`None`
cumul_tsn_ack	`XIntField`	`None`
a_rwnd	`IntField`	`None`
n_gap_ack	`FieldLenField`	`None`
n_dup_tsn	`FieldLenField`	`None`
gap_ack_list	`FieldListField`	`[]`
dup_tsn_list	`FieldListField`	`[]`

post_build(p, pay)¶

class scapy.layers.sctp.SCTPChunkShutdown¶

Bases: scapy.layers.sctp._SCTPChunkGuessPayload, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkShutdown fields¶
type	`ByteEnumField`	`7`
flags	`XByteField`	`None`
len	`ShortField`	`8`
cumul_tsn_ack	`XIntField`	`None`

class scapy.layers.sctp.SCTPChunkShutdownAck¶

Bases: scapy.layers.sctp._SCTPChunkGuessPayload, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkShutdownAck fields¶
type	`ByteEnumField`	`8`
flags	`XByteField`	`None`
len	`ShortField`	`4`

class scapy.layers.sctp.SCTPChunkShutdownComplete¶

Bases: scapy.layers.sctp._SCTPChunkGuessPayload, scapy.packet.Packet

aliastypes¶

fields_desc¶

SCTPChunkShutdownComplete fields¶
type	`ByteEnumField`	`14`
reserved	`BitField` (7 bits)	`None`
TCB	`BitField` (1 bit)	`0`
len	`ShortField`	`4`

scapy.layers.sctp.crc32c(buf)¶