#!/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 copy import thread_cert import config from pktverify.consts import WPAN_DATA_REQUEST, MLE_PARENT_REQUEST, MLE_PARENT_RESPONSE, MLE_CHILD_UPDATE_REQUEST, MLE_CHILD_UPDATE_RESPONSE, MLE_CHILD_ID_REQUEST, MLE_CHILD_ID_RESPONSE, 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, NL_MAC_EXTENDED_ADDRESS_TLV, NL_RLOC16_TLV, NL_STATUS_TLV, NL_ROUTER_MASK_TLV, COAP_CODE_ACK from pktverify.packet_verifier import PacketVerifier from pktverify.null_field import nullField LEADER = 1 ROUTER = 2 MTD = 3 POLL_PERIOD = 3 # seconds # Test Purpose and Description: # ----------------------------- # The purpose of this test case is to validate that after the DUT resets and receives # no response from its parent, it will reattach to the network through a different parent. # # Test Topology: # ------------- # Leader # | # Router # | # DUT # # DUT Types: # ---------- # ED # SED class Cert_6_5_2_ChildResetReattach_Base(thread_cert.TestCase): USE_MESSAGE_FACTORY = False SUPPORT_NCP = False TOPOLOGY = { LEADER: { 'name': 'LEADER', 'mode': 'rdn', 'allowlist': [ROUTER] }, ROUTER: { 'name': 'ROUTER', 'mode': 'rdn', 'allowlist': [LEADER, MTD] }, MTD: { 'name': 'DUT', 'is_mtd': True, 'timeout': config.DEFAULT_CHILD_TIMEOUT, 'allowlist': [ROUTER] }, } def _setUpMTD(self): self.nodes[MTD].add_allowlist(self.nodes[LEADER].get_addr64()) self.nodes[MTD].enable_allowlist() if self.TOPOLOGY[MTD]['mode'] == '-': self.nodes[MTD].set_pollperiod(POLL_PERIOD * 1000) 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[MTD].start() self.simulator.go(5) self.assertEqual(self.nodes[MTD].get_state(), 'child') self.collect_rloc16s() self.nodes[LEADER].clear_allowlist() self.nodes[MTD].clear_allowlist() self.nodes[ROUTER].stop() self.nodes[MTD].reset() self._setUpMTD() self.simulator.go(5) self.nodes[LEADER].add_allowlist(self.nodes[MTD].get_addr64()) self.simulator.go(5) self.nodes[MTD].start() self.simulator.go(10) self.assertEqual(self.nodes[MTD].get_state(), 'child') self.simulator.go(360) self.collect_ipaddrs() dut_addr = self.nodes[MTD].get_ip6_address(config.ADDRESS_TYPE.LINK_LOCAL) self.nodes[LEADER].ping(dut_addr) self.simulator.go(15) def verify(self, pv): pkts = pv.pkts pv.summary.show() LEADER = pv.vars['LEADER'] LEADER_LLA = pv.vars['LEADER_LLA'] ROUTER = pv.vars['ROUTER'] ROUTER_RLOC16 = pv.vars['ROUTER_RLOC16'] DUT = pv.vars['DUT'] DUT_LLA = pv.vars['DUT_LLA'] # Step 1: Ensure topology is formed correctly pv.verify_attached('ROUTER', 'LEADER') pv.verify_attached('DUT', 'ROUTER', 'MTD') # Step 4: DUT sends an MLE Child Update Request. # The following TLVs MUST be included in the Child Update # Request: # - Mode TLV # - Address Registration TLV (optional) # If the DUT is a SED, it MUST resume polling after sending # MLE Child Update. pkts.filter_wpan_src64(DUT).\ filter_wpan_dst64(ROUTER).\ filter_mle_cmd(MLE_CHILD_UPDATE_REQUEST).\ filter(lambda p: { MODE_TLV } <= set(p.mle.tlv.type) ).\ must_next() if self.TOPOLOGY[MTD]['mode'] == '-': _pkt = pkts.filter_wpan_src64(DUT).\ filter_wpan_dst16(ROUTER_RLOC16).\ filter_wpan_cmd(WPAN_DATA_REQUEST).\ must_next() pkts.filter_wpan_src64(DUT).\ filter_wpan_dst16(ROUTER_RLOC16).\ filter_wpan_cmd(WPAN_DATA_REQUEST).\ filter(lambda p: p.sniff_timestamp - _pkt.sniff_timestamp <= POLL_PERIOD + 0.1 ).\ must_next() lstart = pkts.index # Step 6: The DUT MUST attach to the Leader pkts.filter_wpan_src64(DUT).\ filter_LLARMA().\ filter_mle_cmd(MLE_PARENT_REQUEST).\ filter(lambda p: { CHALLENGE_TLV, MODE_TLV, SCAN_MASK_TLV, VERSION_TLV } <= set(p.mle.tlv.type) and\ p.ipv6.hlim == 255 and\ p.mle.tlv.scan_mask.r == 1 and\ p.mle.tlv.scan_mask.e == 0 and\ p.wpan.aux_sec.key_id_mode == 0x2 ).\ must_next() lend = pkts.index # Step 5: No response from Router. pkts.range(lstart, lend).\ filter_wpan_dst64(ROUTER).\ filter_mle_cmd(MLE_CHILD_UPDATE_RESPONSE).\ must_not_next() pkts.filter_wpan_src64(LEADER).\ filter_wpan_dst64(DUT).\ 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(DUT).\ filter_wpan_dst64(LEADER).\ filter_mle_cmd(MLE_CHILD_ID_REQUEST).\ filter(lambda p: { ADDRESS_REGISTRATION_TLV, LINK_LAYER_FRAME_COUNTER_TLV, MODE_TLV, RESPONSE_TLV, TIMEOUT_TLV, TLV_REQUEST_TLV, VERSION_TLV } <= set(p.mle.tlv.type) and\ p.wpan.aux_sec.key_id_mode == 0x2 ).\ must_next() pkts.filter_wpan_src64(LEADER).\ filter_wpan_dst64(DUT).\ filter_mle_cmd(MLE_CHILD_ID_RESPONSE).\ filter(lambda p: { ADDRESS16_TLV, LEADER_DATA_TLV, NETWORK_DATA_TLV, SOURCE_ADDRESS_TLV } <= set(p.mle.tlv.type) ).\ must_next() # Step 7: Leader Verifies connectivity by sending an ICMPv6 Echo Request # to the DUT link local address # The End Device MUST respond with ICMPv6 Echo Reply _pkt = pkts.filter_ping_request().\ filter_ipv6_src_dst(LEADER_LLA, DUT_LLA).\ must_next() pkts.filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier).\ filter_ipv6_src_dst(DUT_LLA, LEADER_LLA).\ must_next() class Cert_6_5_2_ChildResetReattach_ED(Cert_6_5_2_ChildResetReattach_Base): TOPOLOGY = copy.deepcopy(Cert_6_5_2_ChildResetReattach_Base.TOPOLOGY) TOPOLOGY[MTD]['mode'] = 'rn' class Cert_6_5_2_ChildResetReattach_SED(Cert_6_5_2_ChildResetReattach_Base): TOPOLOGY = copy.deepcopy(Cert_6_5_2_ChildResetReattach_Base.TOPOLOGY) TOPOLOGY[MTD]['mode'] = '-' del (Cert_6_5_2_ChildResetReattach_Base) if __name__ == '__main__': unittest.main()