102 lines
3.4 KiB
Python
102 lines
3.4 KiB
Python
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# This file is part of Scapy
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# Scapy is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 2 of the License, or
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# any later version.
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#
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# Scapy is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Scapy. If not, see <http://www.gnu.org/licenses/>.
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# scapy.contrib.description = Link Aggregation Control Protocol (LACP)
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# scapy.contrib.status = loads
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from scapy.packet import Packet, bind_layers
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from scapy.fields import ByteField, MACField, ShortField, ByteEnumField, IntField, XStrFixedLenField # noqa: E501
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from scapy.layers.l2 import Ether
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from scapy.data import ETHER_TYPES
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ETHER_TYPES['SlowProtocol'] = 0x8809
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SLOW_SUB_TYPES = {
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'Unused': 0,
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'LACP': 1,
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'Marker Protocol': 2,
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}
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class SlowProtocol(Packet):
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name = "SlowProtocol"
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fields_desc = [ByteEnumField("subtype", 0, SLOW_SUB_TYPES)]
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bind_layers(Ether, SlowProtocol, type=0x8809, dst='01:80:c2:00:00:02')
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class LACP(Packet):
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name = "LACP"
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deprecated_fields = {
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"actor_port_numer": ("actor_port_number", "2.4.4"),
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"partner_port_numer": ("partner_port_number", "2.4.4"),
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"colletctor_reserved": ("collector_reserved", "2.4.4"),
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}
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fields_desc = [
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ByteField("version", 1),
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ByteField("actor_type", 1),
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ByteField("actor_length", 20),
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ShortField("actor_system_priority", 0),
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MACField("actor_system", None),
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ShortField("actor_key", 0),
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ShortField("actor_port_priority", 0),
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ShortField("actor_port_number", 0),
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ByteField("actor_state", 0),
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XStrFixedLenField("actor_reserved", "", 3),
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ByteField("partner_type", 2),
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ByteField("partner_length", 20),
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ShortField("partner_system_priority", 0),
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MACField("partner_system", None),
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ShortField("partner_key", 0),
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ShortField("partner_port_priority", 0),
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ShortField("partner_port_number", 0),
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ByteField("partner_state", 0),
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XStrFixedLenField("partner_reserved", "", 3),
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ByteField("collector_type", 3),
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ByteField("collector_length", 16),
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ShortField("collector_max_delay", 0),
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XStrFixedLenField("collector_reserved", "", 12),
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ByteField("terminator_type", 0),
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ByteField("terminator_length", 0),
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XStrFixedLenField("reserved", "", 50),
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]
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bind_layers(SlowProtocol, LACP, subtype=1)
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MARKER_TYPES = {
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'Marker Request': 1,
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'Marker Response': 2,
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}
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class MarkerProtocol(Packet):
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name = "MarkerProtocol"
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fields_desc = [
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ByteField("version", 1),
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ByteEnumField("marker_type", 1, MARKER_TYPES),
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ByteField("marker_length", 16),
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ShortField("requester_port", 0),
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MACField("requester_system", None),
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IntField("requester_transaction_id", 0),
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XStrFixedLenField("marker_reserved", "", 2),
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ByteField("terminator_type", 0),
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ByteField("terminator_length", 0),
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XStrFixedLenField("reserved", 0, 90),
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]
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bind_layers(SlowProtocol, MarkerProtocol, subtype=2)
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