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Przemysław Fierek
287 lines
11 KiB
Python
287 lines
11 KiB
Python
#!/usr/bin/python
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#
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# Copyright (c) 2016, The OpenThread Authors.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. Neither the name of the copyright holder nor the
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# names of its contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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import coap
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import ipv6
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import lowpan
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import message
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import mle
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import net_crypto
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import network_data
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import network_layer
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import sniffer
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DEFAULT_MASTER_KEY = bytearray([0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
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0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff])
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def create_default_network_data_prefix_sub_tlvs_factories():
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return {
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network_data.TlvType.HAS_ROUTE: network_data.HasRouteFactory(
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routes_factory=network_data.RoutesFactory(
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route_factory=network_data.RouteFactory())
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),
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network_data.TlvType.BORDER_ROUTER: network_data.BorderRouterFactory(),
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network_data.TlvType.LOWPAN_ID: network_data.LowpanIdFactory()
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}
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def create_default_network_data_prefix_sub_tlvs_factory():
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return network_data.PrefixSubTlvsFactory(
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sub_tlvs_factories=create_default_network_data_prefix_sub_tlvs_factories())
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def create_default_network_data_service_sub_tlvs_factories():
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return {
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network_data.TlvType.SERVER: network_data.ServerFactory()
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}
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def create_default_network_data_service_sub_tlvs_factory():
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return network_data.ServiceSubTlvsFactory(
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sub_tlvs_factories=create_default_network_data_service_sub_tlvs_factories())
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def create_default_network_data_tlvs_factories():
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return {
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network_data.TlvType.PREFIX: network_data.PrefixFactory(
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sub_tlvs_factory=create_default_network_data_prefix_sub_tlvs_factory()
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),
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network_data.TlvType.SERVICE: network_data.ServiceFactory(
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sub_tlvs_factory=create_default_network_data_service_sub_tlvs_factory()
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)
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}
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def create_default_network_data_tlvs_factory():
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return network_data.NetworkDataTlvsFactory(
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sub_tlvs_factories=create_default_network_data_tlvs_factories())
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def create_default_mle_tlv_route64_factory():
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return mle.Route64Factory(
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link_quality_and_route_data_factory=mle.LinkQualityAndRouteDataFactory())
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def create_default_mle_tlv_network_data_factory():
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return mle.NetworkDataFactory(
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network_data_tlvs_factory=create_default_network_data_tlvs_factory())
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def create_default_mle_tlv_address_registration_factory():
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return mle.AddressRegistrationFactory(
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addr_compressed_factory=mle.AddressCompressedFactory(),
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addr_full_factory=mle.AddressFullFactory())
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def create_default_mle_tlvs_factories():
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return {
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mle.TlvType.SOURCE_ADDRESS: mle.SourceAddressFactory(),
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mle.TlvType.MODE: mle.ModeFactory(),
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mle.TlvType.TIMEOUT: mle.TimeoutFactory(),
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mle.TlvType.CHALLENGE: mle.ChallengeFactory(),
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mle.TlvType.RESPONSE: mle.ResponseFactory(),
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mle.TlvType.LINK_LAYER_FRAME_COUNTER: mle.LinkLayerFrameCounterFactory(),
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mle.TlvType.MLE_FRAME_COUNTER: mle.MleFrameCounterFactory(),
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mle.TlvType.ROUTE64: create_default_mle_tlv_route64_factory(),
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mle.TlvType.ADDRESS16: mle.Address16Factory(),
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mle.TlvType.LEADER_DATA: mle.LeaderDataFactory(),
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mle.TlvType.NETWORK_DATA: create_default_mle_tlv_network_data_factory(),
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mle.TlvType.TLV_REQUEST: mle.TlvRequestFactory(),
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mle.TlvType.SCAN_MASK: mle.ScanMaskFactory(),
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mle.TlvType.CONNECTIVITY: mle.ConnectivityFactory(),
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mle.TlvType.LINK_MARGIN: mle.LinkMarginFactory(),
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mle.TlvType.STATUS: mle.StatusFactory(),
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mle.TlvType.VERSION: mle.VersionFactory(),
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mle.TlvType.ADDRESS_REGISTRATION: create_default_mle_tlv_address_registration_factory(),
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mle.TlvType.CHANNEL: mle.ChannelFactory(),
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mle.TlvType.PANID: mle.PanIdFactory(),
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mle.TlvType.ACTIVE_TIMESTAMP: mle.ActiveTimestampFactory(),
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mle.TlvType.PENDING_TIMESTAMP: mle.PendingTimestampFactory(),
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mle.TlvType.ACTIVE_OPERATIONAL_DATASET: mle.ActiveOperationalDatasetFactory(),
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mle.TlvType.PENDING_OPERATIONAL_DATASET: mle.PendingOperationalDatasetFactory(),
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mle.TlvType.THREAD_DISCOVERY: mle.ThreadDiscoveryFactory()
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}
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def create_default_mle_crypto_engine(master_key):
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return net_crypto.CryptoEngine(crypto_material_creator=net_crypto.MleCryptoMaterialCreator(master_key))
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def create_default_mle_message_factory(master_key):
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return mle.MleMessageFactory(
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aux_sec_hdr_factory=net_crypto.AuxiliarySecurityHeaderFactory(),
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mle_command_factory=mle.MleCommandFactory(
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tlvs_factories=create_default_mle_tlvs_factories()),
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crypto_engine=create_default_mle_crypto_engine(master_key))
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def create_deafult_network_tlvs_factories():
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return {
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network_layer.TlvType.TARGET_EID: network_layer.TargetEidFactory(),
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network_layer.TlvType.MAC_EXTENDED_ADDRESS: network_layer.MacExtendedAddressFactory(),
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network_layer.TlvType.RLOC16: network_layer.Rloc16Factory(),
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network_layer.TlvType.ML_EID: network_layer.MlEidFactory(),
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network_layer.TlvType.STATUS: network_layer.StatusFactory(),
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network_layer.TlvType.TIME_SINCE_LAST_TRANSACTION: network_layer.TimeSinceLastTransactionFactory(),
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network_layer.TlvType.ROUTER_MASK: network_layer.RouterMaskFactory(),
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network_layer.TlvType.ND_OPTION: network_layer.NdOptionFactory(),
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network_layer.TlvType.ND_DATA: network_layer.NdDataFactory(),
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network_layer.TlvType.THREAD_NETWORK_DATA: network_layer.ThreadNetworkDataFactory(create_default_network_data_tlvs_factory),
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# Routing information are distributed in a Thread network by MLE Routing TLV
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# which is in fact MLE Route64 TLV. Thread specificaton v1.1. - Chapter 5.20
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network_layer.TlvType.MLE_ROUTING: create_default_mle_tlv_route64_factory()
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}
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def create_default_network_tlvs_factory():
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return network_layer.NetworkLayerTlvsFactory(
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tlvs_factories=create_deafult_network_tlvs_factories())
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def create_default_uri_path_based_payload_factories():
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network_layer_tlvs_factory = create_default_network_tlvs_factory()
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return {
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"/a/as": network_layer_tlvs_factory,
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"/a/aq": network_layer_tlvs_factory,
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"/a/an": network_layer_tlvs_factory
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}
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def create_default_coap_message_factory():
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return coap.CoapMessageFactory(options_factory=coap.CoapOptionsFactory(),
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uri_path_based_payload_factories=create_default_uri_path_based_payload_factories(),
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message_id_to_uri_path_binder=coap.CoapMessageIdToUriPathBinder())
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def create_default_ipv6_hop_by_hop_options_factories():
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return {
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109: ipv6.MPLOptionFactory()
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}
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def create_default_ipv6_hop_by_hop_options_factory():
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return ipv6.HopByHopOptionsFactory(
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options_factories=create_default_ipv6_hop_by_hop_options_factories())
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def create_default_based_on_src_dst_ports_udp_payload_factory(master_key):
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mle_message_factory = create_default_mle_message_factory(master_key)
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coap_message_factory = create_default_coap_message_factory()
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return ipv6.UdpBasedOnSrcDstPortsPayloadFactory(
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src_dst_port_based_payload_factories={
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19788: mle_message_factory,
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61631: coap_message_factory
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}
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)
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def create_default_ipv6_icmp_body_factories():
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return {
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ipv6.ICMP_DESTINATION_UNREACHABLE: ipv6.ICMPv6DestinationUnreachableFactory(),
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ipv6.ICMP_ECHO_REQUEST: ipv6.ICMPv6EchoBodyFactory(),
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ipv6.ICMP_ECHO_RESPONSE: ipv6.ICMPv6EchoBodyFactory()
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}
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def create_default_ipv6_upper_layer_factories(master_key):
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return {
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ipv6.IPV6_NEXT_HEADER_UDP: ipv6.UDPDatagramFactory(
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udp_header_factory=ipv6.UDPHeaderFactory(),
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udp_payload_factory=create_default_based_on_src_dst_ports_udp_payload_factory(master_key)
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),
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ipv6.IPV6_NEXT_HEADER_ICMP: ipv6.ICMPv6Factory(
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body_factories=create_default_ipv6_icmp_body_factories()
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)
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}
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def create_default_lowpan_extension_headers_factories():
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return {
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ipv6.IPV6_NEXT_HEADER_HOP_BY_HOP: lowpan.LowpanHopByHopFactory(
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hop_by_hop_options_factory=create_default_ipv6_hop_by_hop_options_factory()
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)
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}
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def create_default_ipv6_extension_headers_factories():
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return {
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ipv6.IPV6_NEXT_HEADER_HOP_BY_HOP: ipv6.HopByHopFactory(
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hop_by_hop_options_factory=create_default_ipv6_hop_by_hop_options_factory())
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}
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def create_default_ipv6_packet_factory(master_key):
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return ipv6.IPv6PacketFactory(
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ehf=create_default_ipv6_extension_headers_factories(),
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ulpf=create_default_ipv6_upper_layer_factories(master_key)
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)
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def create_default_lowpan_decompressor(context_manager):
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return lowpan.LowpanDecompressor(
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lowpan_ip_header_factory=lowpan.LowpanIpv6HeaderFactory(
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context_manager=context_manager
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),
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lowpan_extension_headers_factory=lowpan.LowpanExtensionHeadersFactory(
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ext_headers_factories=create_default_lowpan_extension_headers_factories()
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),
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lowpan_udp_header_factory=lowpan.LowpanUdpHeaderFactory()
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)
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def create_default_thread_context_manager():
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context_manager = lowpan.ContextManager()
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context_manager[0] = lowpan.Context("fd00:0db8::/64")
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return context_manager
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def create_default_lowpan_parser(context_manager, master_key=DEFAULT_MASTER_KEY):
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return lowpan.LowpanParser(
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lowpan_mesh_header_factory=lowpan.LowpanMeshHeaderFactory(),
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lowpan_decompressor=create_default_lowpan_decompressor(context_manager),
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lowpan_fragements_buffers_manager=lowpan.LowpanFragmentsBuffersManager(),
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ipv6_packet_factory=create_default_ipv6_packet_factory(master_key)
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)
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def create_default_thread_message_factory(master_key=DEFAULT_MASTER_KEY):
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context_manager = create_default_thread_context_manager()
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lowpan_parser = create_default_lowpan_parser(context_manager, master_key)
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return message.MessageFactory(lowpan_parser=lowpan_parser)
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def create_default_thread_sniffer(nodeid):
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return sniffer.Sniffer(nodeid, create_default_thread_message_factory())
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