#!/usr/bin/env python3 # # Copyright (c) 2016, The OpenThread Authors. # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # 3. Neither the name of the copyright holder nor the # names of its contributors may be used to endorse or promote products # derived from this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE # POSSIBILITY OF SUCH DAMAGE. # import unittest import config import thread_cert from pktverify.consts import MLE_ADVERTISEMENT, MLE_PARENT_REQUEST, MLE_PARENT_RESPONSE, MLE_CHILD_UPDATE_RESPONSE, MLE_CHILD_ID_REQUEST, MLE_CHILD_ID_RESPONSE, MLE_LINK_REQUEST, MLE_LINK_ACCEPT_AND_REQUEST, ADDR_SOL_URI, 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, ACTIVE_TIMESTAMP_TLV from pktverify.packet_verifier import PacketVerifier from pktverify.null_field import nullField LEADER = 1 ROUTER = 2 ED = 3 class Cert_5_5_2_LeaderReboot(thread_cert.TestCase): TOPOLOGY = { LEADER: { 'name': 'LEADER', 'mode': 'rdn', 'allowlist': [ROUTER] }, ROUTER: { 'name': 'ROUTER', 'mode': 'rdn', 'allowlist': [LEADER, ED] }, ED: { 'name': 'MED', 'is_mtd': True, 'mode': 'rn', 'allowlist': [ROUTER] }, } def _setUpLeader(self): self.nodes[LEADER].add_allowlist(self.nodes[ROUTER].get_addr64()) self.nodes[LEADER].enable_allowlist() self.nodes[LEADER].set_router_selection_jitter(1) def test(self): self.nodes[LEADER].start() self.simulator.go(config.LEADER_STARTUP_DELAY) self.assertEqual(self.nodes[LEADER].get_state(), 'leader') self.nodes[ROUTER].start() self.simulator.go(config.ROUTER_STARTUP_DELAY) self.assertEqual(self.nodes[ROUTER].get_state(), 'router') self.nodes[ED].start() self.simulator.go(5) self.assertEqual(self.nodes[ED].get_state(), 'child') self.nodes[LEADER].reset() self._setUpLeader() self.simulator.go(150) self.assertEqual(self.nodes[ROUTER].get_state(), 'leader') self.nodes[LEADER].start() self.simulator.go(config.LEADER_RESET_DELAY) self.assertEqual(self.nodes[LEADER].get_state(), 'router') addrs = self.nodes[ED].get_addrs() for addr in addrs: self.assertTrue(self.nodes[ROUTER].ping(addr)) def verify(self, pv): pkts = pv.pkts pv.summary.show() LEADER = pv.vars['LEADER'] ROUTER = pv.vars['ROUTER'] MED = pv.vars['MED'] leader_pkts = pkts.filter_wpan_src64(LEADER) _rpkts = pkts.filter_wpan_src64(ROUTER) # Step 2: The DUT MUST send properly formatted MLE Advertisements _rpkts.filter_mle_cmd(MLE_CHILD_ID_RESPONSE).must_next() _lpkts = leader_pkts.range(_rpkts.index) _lpkts.filter_mle_cmd(MLE_ADVERTISEMENT).must_next().must_verify( lambda p: {SOURCE_ADDRESS_TLV, LEADER_DATA_TLV, ROUTE64_TLV} <= set(p.mle.tlv.type)) _rpkts.filter_mle_cmd(MLE_ADVERTISEMENT).must_next().must_verify( lambda p: {SOURCE_ADDRESS_TLV, LEADER_DATA_TLV, ROUTE64_TLV} <= set(p.mle.tlv.type)) # Step 4: Router_1 MUST attempt to reattach to its original partition by # sending MLE Parent Requests to the All-Routers multicast # address (FFxx::xx) with a hop limit of 255. MUST make two separate attempts for i in range(1, 3): _rpkts.filter_mle_cmd(MLE_PARENT_REQUEST).must_next().must_verify( lambda p: {MODE_TLV, CHALLENGE_TLV, SCAN_MASK_TLV, VERSION_TLV} <= set( p.mle.tlv.type) and p.mle.tlv.scan_mask.r == 1 and p.mle.tlv.scan_mask.e == 1) lreset_start = _rpkts.index # Step 6:Router_1 MUST attempt to attach to any other Partition # within range by sending a MLE Parent Request. _rpkts.filter_mle_cmd(MLE_PARENT_REQUEST).must_next().must_verify( lambda p: {MODE_TLV, CHALLENGE_TLV, SCAN_MASK_TLV, VERSION_TLV} <= set(p.mle.tlv.type)) lreset_stop = _rpkts.index # Step 3: The Leader MUST stop sending MLE advertisements. leader_pkts.range(lreset_start, lreset_stop).filter_mle_cmd(MLE_ADVERTISEMENT).must_not_next() # Step 5: Leader MUST NOT respond to the MLE Parent Requests leader_pkts.range(lreset_start, lreset_stop).filter_mle_cmd(MLE_PARENT_RESPONSE).must_not_next() # Step 7: Take over leader role of a new Partition and # begin transmitting MLE Advertisements with _rpkts.save_index(): _rpkts.filter_mle_cmd(MLE_ADVERTISEMENT).must_next().must_verify( lambda p: {SOURCE_ADDRESS_TLV, LEADER_DATA_TLV, ROUTE64_TLV} <= set(p.mle.tlv.type)) # Step 8: Router_1 MUST respond with an MLE Child Update Response, # with the updated TLVs of the new partition _rpkts.filter_mle_cmd(MLE_CHILD_UPDATE_RESPONSE).must_next().must_verify( lambda p: {SOURCE_ADDRESS_TLV, MODE_TLV, LEADER_DATA_TLV, ADDRESS_REGISTRATION_TLV} <= set(p.mle.tlv.type)) # Step 9: The Leader MUST send properly formatted MLE Parent # Requests to the All-Routers multicast address _lpkts.range(lreset_stop).filter_mle_cmd(MLE_PARENT_REQUEST).must_next().must_verify( lambda p: {MODE_TLV, CHALLENGE_TLV, SCAN_MASK_TLV, VERSION_TLV} <= set(p.mle.tlv.type)) # Step 10: Router_1 MUST send an MLE Parent Response _rpkts.filter_mle_cmd(MLE_PARENT_RESPONSE).must_next().must_verify( lambda p: { SOURCE_ADDRESS_TLV, LEADER_DATA_TLV, LINK_LAYER_FRAME_COUNTER_TLV, RESPONSE_TLV, CHALLENGE_TLV, LINK_MARGIN_TLV, CONNECTIVITY_TLV, VERSION_TLV } <= set(p.mle.tlv.type)) # Step 11: Leader send MLE Child ID Request _lpkts.filter_mle_cmd(MLE_CHILD_ID_REQUEST).must_next().must_verify( lambda p: { RESPONSE_TLV, LINK_LAYER_FRAME_COUNTER_TLV, MODE_TLV, TIMEOUT_TLV, VERSION_TLV, TLV_REQUEST_TLV, ADDRESS16_TLV, NETWORK_DATA_TLV, ROUTE64_TLV, ACTIVE_TIMESTAMP_TLV } <= set(p.mle.tlv.type)) #Step 12: Router_1 send MLE Child ID Response _rpkts.filter_mle_cmd(MLE_CHILD_ID_RESPONSE).must_next().must_verify( lambda p: {SOURCE_ADDRESS_TLV, LEADER_DATA_TLV, ADDRESS16_TLV, NETWORK_DATA_TLV, ROUTE64_TLV} <= set( p.mle.tlv.type)) #Step 13: Leader send an Address Solicit Request _lpkts.filter_coap_request(ADDR_SOL_URI).must_next().must_verify( lambda p: p.thread_address.tlv.ext_mac_addr and p.thread_address.tlv.status != 0) #Step 14: Router_1 send an Address Solicit Response _rpkts.filter_coap_ack(ADDR_SOL_URI).must_next().must_verify( lambda p: p.thread_address.tlv.router_mask_assigned and p.thread_address.tlv.rloc16 is not nullField and p. thread_address.tlv.status == 0) #Step 15: Leader Send a Multicast Link Request #Step 16: Router_1 send a Unicast Link Accept # Steps 15 and 16 are skipped since new router no longer # send multicast Link Request. #Step 17: Router_1 MUST respond with an ICMPv6 Echo Reply _rpkts.filter_ping_request().filter_wpan_dst64(MED).must_next() if __name__ == '__main__': unittest.main()