#!/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 mle import network_layer import thread_cert from pktverify.consts import MLE_PARENT_RESPONSE, MLE_CHILD_ID_RESPONSE, MLE_LINK_REQUEST, ADDR_SOL_URI, CHALLENGE_TLV, RESPONSE_TLV, LINK_LAYER_FRAME_COUNTER_TLV, CONNECTIVITY_TLV, ROUTE64_TLV, ADDRESS16_TLV, LEADER_DATA_TLV, NETWORK_DATA_TLV, VERSION_TLV, TLV_REQUEST_TLV, LINK_MARGIN_TLV, SOURCE_ADDRESS_TLV, COAP_CODE_ACK, COAP_CODE_POST, NL_MAC_EXTENDED_ADDRESS_TLV, NL_STATUS_TLV, NL_RLOC16_TLV, NL_ROUTER_MASK_TLV from pktverify.packet_verifier import PacketVerifier LEADER = 1 ROUTER1 = 2 # Test Purpose and Description: # ----------------------------- # The purpose of this test case is to verify that after deallocating a Router ID, # Leader as a DUT doesn't reassign the Router ID for at least ID_REUSE_DELAY # seconds # # Test Topology: # ------------- # Leader # | # Router # # DUT Types: # ---------- # Leader class Cert_5_1_05_RouterAddressTimeout(thread_cert.TestCase): USE_MESSAGE_FACTORY = False TOPOLOGY = { LEADER: { 'name': 'LEADER', 'mode': 'rdn', 'allowlist': [ROUTER1] }, ROUTER1: { 'name': 'ROUTER', 'mode': 'rdn', 'allowlist': [LEADER] }, } def _setUpRouter1(self): self.nodes[ROUTER1].add_allowlist(self.nodes[LEADER].get_addr64()) self.nodes[ROUTER1].enable_allowlist() self.nodes[ROUTER1].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[ROUTER1].start() self.simulator.go(config.ROUTER_STARTUP_DELAY) self.assertEqual(self.nodes[ROUTER1].get_state(), 'router') self.nodes[ROUTER1].reset() self._setUpRouter1() self.simulator.go(200) self.nodes[ROUTER1].start() self.simulator.go(15) self.assertEqual(self.nodes[ROUTER1].get_state(), 'router') self.nodes[ROUTER1].reset() self._setUpRouter1() self.simulator.go(300) self.nodes[ROUTER1].start() self.simulator.go(15) self.assertEqual(self.nodes[ROUTER1].get_state(), 'router') def verify(self, pv): pkts = pv.pkts pv.summary.show() LEADER = pv.vars['LEADER'] ROUTER = pv.vars['ROUTER'] MM = pv.vars['MM_PORT'] # Step 1: Verify topology is formed correctly. pv.verify_attached('ROUTER') _pkt_as = pkts.filter_wpan_src64(LEADER).\ filter_coap_ack(ADDR_SOL_URI, port=MM).\ filter(lambda p: { NL_STATUS_TLV, NL_RLOC16_TLV, NL_ROUTER_MASK_TLV } <= set(p.coap.tlv.type) and\ p.coap.code == COAP_CODE_ACK and\ p.thread_address.tlv.status == 0 ).\ must_next() # Step 3: Router automatically sends a link request, reattaches and # requests its original Router ID after reset within the # ID_REUSE_DELAY interval pkts.filter_wpan_src64(ROUTER).\ filter_LLARMA().\ filter_mle_cmd(MLE_LINK_REQUEST).\ filter(lambda p: { CHALLENGE_TLV, VERSION_TLV, TLV_REQUEST_TLV, ADDRESS16_TLV, ROUTE64_TLV } <= set(p.mle.tlv.type)\ ).\ must_next() # Step 4: Leader MUST send a properly formatted Parent Response and # Child ID Response to Router. # And send Address Solicit Response Message to Router. # The RLOC16 TLV in the Address Solicit Response message MUST # contain a different Router ID then the one allocated in the # original attach because ID_REUSE_DELAY interval has not # timed out. # # CoAP Response Code # - 2.04 Changed # CoAP Payload # - Status TLV (value = Success) # - RLOC16 TLV # - Router Mask TLV pkts.filter_wpan_src64(LEADER).\ filter_wpan_dst64(ROUTER).\ filter_mle_cmd(MLE_PARENT_RESPONSE).\ filter(lambda p: { CHALLENGE_TLV, CONNECTIVITY_TLV, LEADER_DATA_TLV, LINK_LAYER_FRAME_COUNTER_TLV, LINK_MARGIN_TLV, RESPONSE_TLV, SOURCE_ADDRESS_TLV, VERSION_TLV } <= set(p.mle.tlv.type) ).\ must_next() pkts.filter_wpan_src64(LEADER).\ filter_wpan_dst64(ROUTER).\ filter_mle_cmd(MLE_CHILD_ID_RESPONSE).\ filter(lambda p: { ADDRESS16_TLV, LEADER_DATA_TLV, NETWORK_DATA_TLV, SOURCE_ADDRESS_TLV, ROUTE64_TLV } <= set(p.mle.tlv.type) or\ { ADDRESS16_TLV, LEADER_DATA_TLV, NETWORK_DATA_TLV, SOURCE_ADDRESS_TLV } <= set(p.mle.tlv.type)\ ).\ must_next() _pkt_as2 = pkts.filter_wpan_src64(ROUTER).\ filter_coap_request(ADDR_SOL_URI, port=MM).\ filter(lambda p: { NL_MAC_EXTENDED_ADDRESS_TLV, NL_RLOC16_TLV, NL_STATUS_TLV } <= set(p.coap.tlv.type) and\ p.coap.code == COAP_CODE_POST and\ p.thread_address.tlv.rloc16 == _pkt_as.thread_address.tlv.rloc16 ).\ must_next() _pkt_as3 = pkts.filter_wpan_src64(LEADER).\ filter_coap_ack(ADDR_SOL_URI, port=MM).\ filter(lambda p: { NL_STATUS_TLV, NL_RLOC16_TLV, NL_ROUTER_MASK_TLV } <= set(p.coap.tlv.type) and\ p.coap.code == COAP_CODE_ACK and\ p.thread_address.tlv.rloc16 != _pkt_as2.thread_address.tlv.rloc16 and\ p.thread_address.tlv.status == 0 ).\ must_next() # Step 6: Router automatically sends a link request, reattaches and # requests its most recent Router ID after reset after the # ID_REUSE_DELAY interval pkts.filter_wpan_src64(ROUTER).\ filter_LLARMA().\ filter_mle_cmd(MLE_LINK_REQUEST).\ filter(lambda p: { CHALLENGE_TLV, VERSION_TLV, TLV_REQUEST_TLV, ADDRESS16_TLV, ROUTE64_TLV } <= set(p.mle.tlv.type)\ ).\ must_next() # Step 7: Leader MUST send a properly formatted Parent Response and # Child ID Response to Router. # And send Address Solicit Response Message to Router. # The RLOC16 TLV in the Address Solicit Response message MUST # contain the requested Router ID # # CoAP Response Code # - 2.04 Changed # CoAP Payload # - Status TLV (value = Success) # - RLOC16 TLV # - Router Mask TLV pkts.filter_wpan_src64(LEADER).\ filter_wpan_dst64(ROUTER).\ filter_mle_cmd(MLE_PARENT_RESPONSE).\ filter(lambda p: { CHALLENGE_TLV, CONNECTIVITY_TLV, LEADER_DATA_TLV, LINK_LAYER_FRAME_COUNTER_TLV, LINK_MARGIN_TLV, RESPONSE_TLV, SOURCE_ADDRESS_TLV, VERSION_TLV } <= set(p.mle.tlv.type) ).\ must_next() pkts.filter_wpan_src64(LEADER).\ filter_wpan_dst64(ROUTER).\ filter_mle_cmd(MLE_CHILD_ID_RESPONSE).\ filter(lambda p: { ADDRESS16_TLV, LEADER_DATA_TLV, NETWORK_DATA_TLV, SOURCE_ADDRESS_TLV, ROUTE64_TLV } <= set(p.mle.tlv.type) or\ { ADDRESS16_TLV, LEADER_DATA_TLV, NETWORK_DATA_TLV, SOURCE_ADDRESS_TLV } <= set(p.mle.tlv.type)\ ).\ must_next() pkts.filter_wpan_src64(ROUTER).\ filter_coap_request(ADDR_SOL_URI, port=MM).\ filter(lambda p: { NL_MAC_EXTENDED_ADDRESS_TLV, NL_RLOC16_TLV, NL_STATUS_TLV } <= set(p.coap.tlv.type) and\ p.coap.code == COAP_CODE_POST and\ p.thread_address.tlv.rloc16 == _pkt_as3.thread_address.tlv.rloc16 ).\ must_next() pkts.filter_wpan_src64(LEADER).\ filter_coap_ack(ADDR_SOL_URI, port=MM).\ filter(lambda p: { NL_STATUS_TLV, NL_RLOC16_TLV, NL_ROUTER_MASK_TLV } <= set(p.coap.tlv.type) and\ p.coap.code == COAP_CODE_ACK and\ p.thread_address.tlv.rloc16 == _pkt_as3.thread_address.tlv.rloc16 and\ p.thread_address.tlv.status == 0 ).\ must_next() if __name__ == '__main__': unittest.main()