class Fattr3(Packet):
name = 'File Attributes'
fields_desc = [
IntEnumField('type', 0, ftype3),
OIntField('mode', 0),
IntField('nlink', 0),
IntField('uid', 0),
IntField('gid', 0),
LongField('size', 0),
LongField('used', 0),
FieldListField('rdev', [0, 0],
IntField('', None),
count_from=lambda x: 2),
XLongField('fsid', 0),
XLongField('fileid', 0),
IntField('atime_s', 0),
IntField('atime_ns', 0),
IntField('mtime_s', 0),
IntField('mtime_ns', 0),
IntField('ctime_s', 0),
IntField('ctime_ns', 0)
]
def extract_padding(self, s):
return '', s
class Dot11EltMeasReport(Packet):
name = "IEEE 802.11 Measurement Report Element"
fields_desc = [
XByteField("id", 39),
XByteField("len", None),
XByteField("op_class", None),
XByteField("chnl_num", None),
XLongField("meas_start_time", None),
XShortField("meas_duration", None),
XByteField("reported_frame_info", None),
XByteField("rcpi", None),
XByteField("rsni", None),
MACField("bssid", None),
XByteField("ant_id", None),
XIntField("parent_tsf", None),
PacketListField("sub_elt_list", [],
Dot11SubElt,
length_from=lambda p: p.len - 26)
]
def post_build(self, p, pay):
if self.len is None:
l = len(p) - 2
p = p[:1] + struct.pack("!B", l) + p[2:]
return p + pay
def extract_padding(self, s):
return "", s
class READDIR_Reply(Packet):
name = 'READDIR Reply'
fields_desc = [
IntEnumField('status', 0, nfsstat3),
IntField('attributes_follow', 0),
ConditionalField(
PacketField('attributes', Fattr3(), Fattr3),
lambda pkt: pkt.attributes_follow == 1
),
ConditionalField(
XLongField('verifier', 0), lambda pkt: pkt.status == 0
),
ConditionalField(
IntField('value_follows', 0), lambda pkt: pkt.status == 0
),
ConditionalField(
PacketListField(
'files', None, File_From_Dir,
next_cls_cb=lambda pkt, lst, cur, remain:
File_From_Dir if pkt.value_follows == 1 and
(len(lst) == 0 or cur.value_follows == 1) and
len(remain) > 4 else None
),
lambda pkt: pkt.status == 0),
ConditionalField(IntField('eof', 0), lambda pkt: pkt.status == 0)
]
class READDIR_Call(Packet):
name = 'READDIR Call'
fields_desc = [
PacketField('filehandle', File_Object(), File_Object),
LongField('cookie', 0),
XLongField('verifier', 0),
IntField('count', 0)
]
class LoWPANMesh(Packet):
name = "6LoWPAN Mesh Packet"
deprecated_fields = {
"_v": ("v", "2.4.4"),
"_f": ("f", "2.4.4"),
"_sourceAddr": ("src", "2.4.4"),
"_destinyAddr": ("dst", "2.4.4"),
}
fields_desc = [
BitField("reserved", 0x2, 2),
BitEnumField("v", 0x0, 1, ["EUI-64", "Short"]),
BitEnumField("f", 0x0, 1, ["EUI-64", "Short"]),
BitField("hopsLeft", 0x0, 4),
MultipleTypeField([(XShortField("src", 0x0), lambda pkt: pkt.v == 1)],
XLongField("src", 0x0)),
MultipleTypeField([(XShortField("dst", 0x0), lambda pkt: pkt.v == 1)],
XLongField("dst", 0x0))
]
class RTPSSubMessage_HEARTBEAT(EPacket):
"""
0...2...........7...............15.............23...............31
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| HEARTBEAT | flags | octetsToNextHeader |
+---------------+---------------+---------------+---------------+
| EntityId readerEntityId |
+---------------+---------------+---------------+---------------+
| EntityId writerEntityId |
+---------------+---------------+---------------+---------------+
| |
+ SequenceNumber firstAvailableSeqNumber +
| |
+---------------+---------------+---------------+---------------+
| |
+ SequenceNumber lastSeqNumber +
| |
+---------------+---------------+---------------+---------------+
| Counter count |
+---------------+---------------+---------------+---------------+
"""
name = "RTPS HEARTBEAT (0x07)"
fields_desc = [
XByteField("submessageId", 0x07),
XByteField("submessageFlags", 0),
EField(ShortField("octetsToNextHeader", 0)),
EnumField(
"reader_id",
default=b"\x00\x00\x00\x00",
fmt="4s",
enum=_rtps_reserved_entity_ids,
),
EnumField(
"writer_id",
default=b"\x00\x00\x00\x00",
fmt="4s",
enum=_rtps_reserved_entity_ids,
),
XLongField("firstAvailableSeqNum", 0),
XLongField("lastSeqNum", 0),
EField(IntField("count", 0)),
]
class SMB2_Negociate_Protocol_Response_Header(Packet):
name = "SMB2 Negociate Protocol Response Header"
fields_desc = [
XLEShortField("StructureSize", 0),
FlagsField("SecurityMode", 0, 16, {
0x7: "Signing Required",
0x8: "Signing Enabled",
}),
LEShortEnumField("Dialect", 0x0, SMB_DIALECTS),
FieldLenField(
"NegociateCount", 0x0,
fmt="<H",
count_of="NegociateContexts"
),
UUIDField("ServerGUID", 0x0, uuid_fmt=UUIDField.FORMAT_LE),
# Capabilities
FlagsField("Capabilities", 0, 32, SMB2_CAPABILITIES),
LEIntField("MaxTransactionSize", 0),
LEIntField("MaxReadSize", 0),
LEIntField("MaxWriteSize", 0),
# TODO FIXME
XLongField("SystemTime", 0),
XLongField("ServerStartTime", 0),
XLEShortField("SecurityBufferOffset", 0),
FieldLenField(
"SecurityBufferLength", 0,
fmt="<H",
length_of="SecurityBuffer"
),
XLEIntField("NegociateContextOffset", 0),
# TODO FIXME
XStrLenField(
"SecurityBuffer", None,
length_from=lambda pkt: pkt.SecurityBufferLength
),
PacketListField(
"NegociateContexts", [],
SMB2_Negociate_Context,
count_from=lambda pkt: pkt.NegociateCount
),
]
class COMMIT_Reply(Packet):
name = 'COMMIT Reply'
fields_desc = [
IntEnumField('status', 0, nfsstat3),
IntField('af_before', 0),
ConditionalField(
PacketField('attributes_before', WCC_Attr(), WCC_Attr),
lambda pkt: pkt.af_before == 1),
IntField('af_after', 0),
ConditionalField(PacketField('attributes_after', Fattr3(), Fattr3),
lambda pkt: pkt.af_after == 1),
ConditionalField(XLongField('verifier', 0),
lambda pkt: pkt.status == 0)
]
class OSPF_Hdr(Packet):
name = "OSPF Header"
fields_desc = [
ByteField("version", 2),
ByteEnumField("type", 1, _OSPF_types),
_NoLLSLenField("len", None, adjust=lambda x: x + 24),
IPField("src", "1.1.1.1"),
IPField("area", "0.0.0.0"), # default: backbone
XShortField("chksum", None),
ShortEnumField("authtype", 0, {
0: "Null",
1: "Simple",
2: "Crypto"
}),
# Null or Simple Authentication
ConditionalField(XLongField("authdata", 0),
lambda pkt: pkt.authtype != 2), # noqa: E501
# Crypto Authentication
ConditionalField(XShortField("reserved", 0),
lambda pkt: pkt.authtype == 2), # noqa: E501
ConditionalField(ByteField("keyid", 1), lambda pkt: pkt.authtype == 2),
ConditionalField(ByteField("authdatalen", 0),
lambda pkt: pkt.authtype == 2), # noqa: E501
ConditionalField(XIntField("seq", 0), lambda pkt: pkt.authtype == 2),
# TODO: Support authdata (which is appended to the packets as if it were padding) # noqa: E501
]
def post_build(self, p, pay):
# See <http://tools.ietf.org/html/rfc5613>
p += pay
if self.chksum is None:
if self.authtype == 2:
ck = 0 # Crypto, see RFC 2328, D.4.3
else:
# Checksum is calculated without authentication data
# Algorithm is the same as in IP()
ck = checksum(p[:16] + p[24:])
p = p[:12] + struct.pack("!H", ck) + p[14:]
# TODO: Handle Crypto: Add message digest (RFC 2328, D.4.3)
return p
def hashret(self):
return struct.pack("H", self.area) + self.payload.hashret()
def answers(self, other):
if (isinstance(other, OSPF_Hdr) and self.area == other.area and
self.type == 5): # Only acknowledgements answer other packets
return self.payload.answers(other.payload)
return 0
class CREATE_Call(Packet):
name = 'CREATE Call'
fields_desc = [
PacketField('dir', File_Object(), File_Object),
PacketField('filename', Object_Name(), Object_Name),
IntEnumField('create_mode', None, {
0: 'UNCHECKED',
1: 'GUARDED',
2: 'EXCLUSIVE'
}),
ConditionalField(PacketField('attributes', Sattr3(), Sattr3),
lambda pkt: pkt.create_mode != 2),
ConditionalField(XLongField('verifier', 0),
lambda pkt: pkt.create_mode == 2)
]
class PortIngressRuleResultOLTBroadcastQueue(Packet):
""" Variable Descriptor: Port Ingress Rule Result OLT Broadcast Queue """
name = "Variable Descriptor: Port Ingress Rule Result OLT Broadcast Queue"
fields_desc = [
XByteField("branch", 0xD7),
XShortField("leaf", 0x0501),
ByteField("length", 15),
XByteField("result", 3),
XByteField("oltqueuerule", 0x13),
XShortField("objecttype", 0x0001),
XByteField("instance", 0),
XByteField("pon", 0),
XLongField("broadcast", 0xffffffffffff0000),
XByteField("pad", 0),
]
class WRITE_Reply(Packet):
name = 'WRITE Reply'
fields_desc = [
IntEnumField('status', 0, nfsstat3),
IntField('af_before', 0),
ConditionalField(
PacketField('attributes_before', WCC_Attr(), WCC_Attr),
lambda pkt: pkt.af_before == 1),
IntField('af_after', 0),
ConditionalField(PacketField('attributes_after', Fattr3(), Fattr3),
lambda pkt: pkt.af_after == 1),
ConditionalField(IntField('count', 0), lambda pkt: pkt.status == 0),
ConditionalField(
IntEnumField('committed', 0, {
0: 'UNSTABLE',
1: 'STABLE'
}), lambda pkt: pkt.status == 0),
ConditionalField(XLongField('verifier', 0),
lambda pkt: pkt.status == 0)
]
class CNPPadding(Packet):
name = "CNPPadding"
fields_desc = [
XLongField("reserved1", 0),
XLongField("reserved2", 0),
]
