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[thread-cert] refactor case 6.1.1 using pktverify (#5838)
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Jing Ma
@@ -27,25 +27,49 @@
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# POSSIBILITY OF SUCH DAMAGE.
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#
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import copy
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import unittest
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import config
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import mle
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import thread_cert
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from pktverify.consts import MLE_PARENT_REQUEST, MLE_PARENT_RESPONSE, MLE_CHILD_UPDATE_RESPONSE, MLE_CHILD_ID_REQUEST, MLE_CHILD_ID_RESPONSE, SOURCE_ADDRESS_TLV, MODE_TLV, TIMEOUT_TLV, CHALLENGE_TLV, RESPONSE_TLV, LINK_LAYER_FRAME_COUNTER_TLV, MLE_FRAME_COUNTER_TLV, ROUTE64_TLV, ADDRESS16_TLV, LEADER_DATA_TLV, NETWORK_DATA_TLV, TLV_REQUEST_TLV, SCAN_MASK_TLV, CONNECTIVITY_TLV, LINK_MARGIN_TLV, VERSION_TLV, ADDRESS_REGISTRATION_TLV
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from pktverify.packet_verifier import PacketVerifier
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from pktverify.null_field import nullField
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LEADER = 1
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ED = 2
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# Test Purpose and Description:
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# -----------------------------
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# The purpose of this test case is to validate that the DUT is able to successfully
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# attach to a network
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#
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# Test Topology:
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# -------------
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# Leader
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# |
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# DUT
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#
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# DUT Types:
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# ----------
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# ED
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# SED
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class Cert_6_1_1_RouterAttach_Base(thread_cert.TestCase):
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USE_MESSAGE_FACTORY = False
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class Cert_6_1_1_RouterAttach(thread_cert.TestCase):
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TOPOLOGY = {
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LEADER: {
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'name': 'LEADER',
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'mode': 'rdn',
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'panid': 0xface,
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'allowlist': [ED]
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},
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ED: {
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'name': 'DUT',
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'is_mtd': True,
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'mode': 'rn',
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'panid': 0xface,
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'allowlist': [LEADER]
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},
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@@ -60,53 +84,156 @@ class Cert_6_1_1_RouterAttach(thread_cert.TestCase):
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self.simulator.go(5)
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self.assertEqual(self.nodes[ED].get_state(), 'child')
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leader_messages = self.simulator.get_messages_sent_by(LEADER)
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ed_messages = self.simulator.get_messages_sent_by(ED)
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self.collect_ipaddrs()
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# 1 - leader
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msg = leader_messages.next_mle_message(mle.CommandType.ADVERTISEMENT)
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ed_addr = self.nodes[ED].get_ip6_address(config.ADDRESS_TYPE.LINK_LOCAL)
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self.assertTrue(self.nodes[LEADER].ping(ed_addr))
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# 2 - ed
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msg = ed_messages.next_mle_message(mle.CommandType.PARENT_REQUEST)
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self.assertEqual(0x02, msg.mle.aux_sec_hdr.key_id_mode)
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msg.assertSentWithHopLimit(255)
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msg.assertSentToDestinationAddress("ff02::2")
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msg.assertMleMessageContainsTlv(mle.Mode)
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msg.assertMleMessageContainsTlv(mle.Challenge)
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msg.assertMleMessageContainsTlv(mle.ScanMask)
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msg.assertMleMessageContainsTlv(mle.Version)
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def verify(self, pv):
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pkts = pv.pkts
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pv.summary.show()
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scan_mask_tlv = msg.get_mle_message_tlv(mle.ScanMask)
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self.assertEqual(1, scan_mask_tlv.router)
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self.assertEqual(0, scan_mask_tlv.end_device)
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LEADER = pv.vars['LEADER']
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LEADER_LLA = pv.vars['LEADER_LLA']
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DUT = pv.vars['DUT']
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DUT_LLA = pv.vars['DUT_LLA']
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# 3 - leader
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msg = leader_messages.next_mle_message(mle.CommandType.PARENT_RESPONSE)
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msg.assertSentToNode(self.nodes[ED])
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# Step 1: Ensure the Leader is sending MLE Advertisements.
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# 4 - ed
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msg = ed_messages.next_mle_message(mle.CommandType.CHILD_ID_REQUEST)
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self.assertEqual(0x02, msg.mle.aux_sec_hdr.key_id_mode)
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msg.assertSentToNode(self.nodes[LEADER])
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msg.assertMleMessageContainsTlv(mle.AddressRegistration)
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msg.assertMleMessageContainsTlv(mle.LinkLayerFrameCounter)
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msg.assertMleMessageContainsTlv(mle.Mode)
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msg.assertMleMessageContainsTlv(mle.Response)
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msg.assertMleMessageContainsTlv(mle.Timeout)
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msg.assertMleMessageContainsTlv(mle.TlvRequest)
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msg.assertMleMessageContainsTlv(mle.Version)
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msg.assertMleMessageContainsOptionalTlv(mle.MleFrameCounter)
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pkts.filter_wpan_src64(LEADER).\
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filter_mle_advertisement('Leader').\
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must_next()
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# 5 - leader
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msg = leader_messages.next_mle_message(mle.CommandType.CHILD_ID_RESPONSE)
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msg.assertSentToNode(self.nodes[ED])
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# Step 2: DUT sends a MLE Parent Request with an IP hop limit of
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# 255 to the Link-Local All Routers multicast address (FF02::2).
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# The following TLVs MUST be present in the MLE Parent Request:
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# - Challenge TLV
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# - Mode TLV
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# - Scan Mask TLV
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# If the DUT sends multiple MLE Parent Requests
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# - The first one MUST be sent only to all Routers
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# - Subsequent ones MAY be sent to all Routers and REEDS
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# - Version TLV
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# If the first MLE Parent Request was sent to all Routers and
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# REEDS, the test fails.
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# In securing the first three messages of the attaching process,
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# the full four-byte key sequence number MUST be included in
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# the Auxiliary Security Header used for MLE security.
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#
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# To send the full four-byte key sequence number, the Key
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# Identifier Mode of the Security Control Field SHALL be set to
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# ‘0x02’, indicating the presence of a four-byte Key Source,
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# which SHALL contain the four-byte key sequence number in
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# network byte order.
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# 6 - leader
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ed_addrs = self.nodes[ED].get_addrs()
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for addr in ed_addrs:
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if addr[0:4] != 'fe80':
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self.assertTrue(self.nodes[LEADER].ping(addr))
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pkts.filter_wpan_src64(DUT).\
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filter_LLARMA().\
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filter_mle_cmd(MLE_PARENT_REQUEST).\
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filter(lambda p: {
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CHALLENGE_TLV,
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MODE_TLV,
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SCAN_MASK_TLV,
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VERSION_TLV
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} <= set(p.mle.tlv.type) and\
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p.ipv6.hlim == 255 and\
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p.mle.tlv.scan_mask.r == 1 and\
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p.mle.tlv.scan_mask.e == 0 and\
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p.wpan.aux_sec.key_id_mode == 0x2
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).\
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must_next()
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# Step 3: Leader responds with a MLE Parent Response.
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# The following TLVs MUST be present in the MLE Parent Response:
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# - Challenge TLV
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# - Connectivity TLV
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# - Leader Data TLV
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# - Link-layer Frame Counter TLV
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# - Link Margin TLV
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# - Response TLV
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# - Source Address
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# - Version TLV
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# - MLE Frame Counter TLV (optional)
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pkts.filter_wpan_src64(LEADER).\
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filter_wpan_dst64(DUT).\
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filter_mle_cmd(MLE_PARENT_RESPONSE).\
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filter(lambda p: {
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CHALLENGE_TLV,
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CONNECTIVITY_TLV,
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LEADER_DATA_TLV,
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LINK_LAYER_FRAME_COUNTER_TLV,
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LINK_MARGIN_TLV,
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RESPONSE_TLV,
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SOURCE_ADDRESS_TLV,
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VERSION_TLV
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} <= set(p.mle.tlv.type)).\
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must_next()
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# Step 4: Router sends a MLE Child ID Request.
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# The following TLVs MUST be present in the MLE Child ID Request:
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# - Link-layer Frame Counter TLV
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# - Address Registration TLV
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# - Mode TLV
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# - Response TLV
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# - Timeout TLV
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# - TLV Request TLV
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# - Version TLV
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# - MLE Frame Counter TLV (optional)
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pkts.filter_wpan_src64(DUT).\
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filter_wpan_dst64(LEADER).\
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filter_mle_cmd(MLE_CHILD_ID_REQUEST).\
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filter(lambda p: {
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ADDRESS_REGISTRATION_TLV,
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LINK_LAYER_FRAME_COUNTER_TLV,
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MODE_TLV,
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RESPONSE_TLV,
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TIMEOUT_TLV,
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TLV_REQUEST_TLV,
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VERSION_TLV
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} <= set(p.mle.tlv.type) and\
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p.wpan.aux_sec.key_id_mode == 0x2
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).\
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must_next()
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# Step 5: Leader responds with a Child ID Response.
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pkts.filter_wpan_src64(LEADER).\
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filter_wpan_dst64(DUT).\
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filter_mle_cmd(MLE_CHILD_ID_RESPONSE).\
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filter(lambda p: {
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ADDRESS16_TLV,
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LEADER_DATA_TLV,
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NETWORK_DATA_TLV,
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SOURCE_ADDRESS_TLV
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} <= set(p.mle.tlv.type)
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).\
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must_next()
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# Step 6: Verify connectivity by sending an ICMPv6 Echo Request
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# to the DUT link local address
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# DUT responds with ICMPv6 Echo Reply
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_pkt = pkts.filter_ping_request().\
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filter_ipv6_src_dst(LEADER_LLA, DUT_LLA).\
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must_next()
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pkts.filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier).\
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filter_ipv6_src_dst(DUT_LLA, LEADER_LLA).\
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must_next()
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class Cert_6_1_1_RouterAttach_ED(Cert_6_1_1_RouterAttach_Base):
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TOPOLOGY = copy.deepcopy(Cert_6_1_1_RouterAttach_Base.TOPOLOGY)
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TOPOLOGY[ED]['mode'] = 'rn'
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class Cert_6_1_1_RouterAttach_SED(Cert_6_1_1_RouterAttach_Base):
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TOPOLOGY = copy.deepcopy(Cert_6_1_1_RouterAttach_Base.TOPOLOGY)
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TOPOLOGY[ED]['mode'] = '-'
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TOPOLOGY[ED]['timeout'] = config.DEFAULT_CHILD_TIMEOUT
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del (Cert_6_1_1_RouterAttach_Base)
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if __name__ == '__main__':
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unittest.main()
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