| #!/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_CHILD_ID_RESPONSE, MLE_ANNOUNCE, CHANNEL_TLV, PAN_ID_TLV, ACTIVE_TIMESTAMP_TLV |
| from pktverify.packet_verifier import PacketVerifier |
| |
| CHANNEL1 = 11 |
| CHANNEL2 = 18 |
| CHANNEL_MASK = 1 << 18 |
| PANID_INIT = 0xface |
| |
| LEADER1 = 1 |
| LEADER2 = 2 |
| ED1 = 3 |
| |
| |
| class Cert_9_2_17_Orphan(thread_cert.TestCase): |
| SUPPORT_NCP = False |
| |
| TOPOLOGY = { |
| LEADER1: { |
| 'name': 'LEADER_1', |
| 'active_dataset': { |
| 'timestamp': 10, |
| 'panid': PANID_INIT, |
| 'channel': CHANNEL1, |
| 'channel_mask': CHANNEL_MASK |
| }, |
| 'mode': 'rdn', |
| 'allowlist': [ED1] |
| }, |
| LEADER2: { |
| 'name': 'LEADER_2', |
| 'active_dataset': { |
| 'timestamp': 20, |
| 'panid': PANID_INIT, |
| 'channel': CHANNEL2, |
| 'channel_mask': CHANNEL_MASK |
| }, |
| 'mode': 'rdn', |
| }, |
| ED1: { |
| 'name': 'ED', |
| 'channel': CHANNEL1, |
| 'is_mtd': True, |
| 'mode': 'rn', |
| 'panid': PANID_INIT, |
| 'timeout': config.DEFAULT_CHILD_TIMEOUT, |
| 'allowlist': [LEADER1] |
| }, |
| } |
| |
| def test(self): |
| self.nodes[LEADER1].start() |
| self.simulator.go(5) |
| self.assertEqual(self.nodes[LEADER1].get_state(), 'leader') |
| |
| self.nodes[LEADER2].start() |
| self.nodes[LEADER2].set_state('leader') |
| self.assertEqual(self.nodes[LEADER2].get_state(), 'leader') |
| |
| self.nodes[ED1].start() |
| self.simulator.go(5) |
| self.assertEqual(self.nodes[ED1].get_state(), 'child') |
| |
| self.nodes[LEADER1].stop() |
| self.nodes[LEADER2].add_allowlist(self.nodes[ED1].get_addr64()) |
| self.nodes[ED1].add_allowlist(self.nodes[LEADER2].get_addr64()) |
| self.simulator.go(20) |
| |
| self.assertEqual(self.nodes[ED1].get_state(), 'child') |
| self.assertEqual(self.nodes[ED1].get_channel(), CHANNEL2) |
| |
| self.collect_ipaddrs() |
| ipaddrs = self.nodes[ED1].get_addrs() |
| for ipaddr in ipaddrs: |
| self.assertTrue(self.nodes[LEADER2].ping(ipaddr)) |
| |
| def verify(self, pv): |
| pkts = pv.pkts |
| pv.summary.show() |
| |
| LEADER_1 = pv.vars['LEADER_1'] |
| LEADER_2 = pv.vars['LEADER_2'] |
| ED = pv.vars['ED'] |
| |
| # Step 1: Ensure the topology is formed correctly |
| # Verify that Leader_1 & Leader_2 are sending MLE Advertisements on separate channels. |
| pkts.copy().filter_wpan_src64(LEADER_1).filter_mle_cmd(MLE_ADVERTISEMENT).must_next() |
| pkts.copy().filter_wpan_src64(LEADER_2).filter_mle_cmd(MLE_ADVERTISEMENT).must_next() |
| pkts.filter_wpan_src64(LEADER_1).filter_mle_cmd(MLE_CHILD_ID_RESPONSE).must_next().must_verify( |
| lambda p: p.wpan.dst64 == ED and p.thread_meshcop.tlv.channel == [CHANNEL1]) |
| |
| # Step 4: powers-down Leader_1 and enables connectivity between the ED and Leader_2 |
| # ED MUST send a MLE Parent Request |
| _epkts = pkts.filter_wpan_src64(ED) |
| _epkts.filter_mle_cmd(MLE_PARENT_REQUEST).must_next() |
| |
| # Step 6: ED MUST send a MLE Announce Message |
| # The Destination PAN ID (0xFFFF) in the IEEE 802.15.4 MAC and MUST be secured using Key ID Mode 2. |
| _epkts.filter_mle_cmd(MLE_ANNOUNCE).must_next().must_verify( |
| lambda p: {CHANNEL_TLV, PAN_ID_TLV, ACTIVE_TIMESTAMP_TLV} == set( |
| p.mle.tlv.type) and p.wpan.dst_pan == 0xffff and p.wpan.aux_sec.key_id_mode == 0x2) |
| |
| # Step 8: ED MUST attempt to attach on the Secondary channel, |
| # with the new PAN ID it received in the MLE Announce message from Leader_2 |
| pkts.range(_epkts.index).filter_mle_cmd(MLE_ANNOUNCE).filter_wpan_src64(LEADER_2).filter_wpan_dst64( |
| ED).must_next().must_verify(lambda p: p.mle.tlv.channel == CHANNEL2) |
| _epkts.range(pkts.index).filter_mle_cmd(MLE_PARENT_REQUEST).must_next() |
| |
| # Step 9: ED MUST respond with an ICMPv6 Echo Reply |
| _epkts.filter('ipv6.dst == {LEADER_2_MLEID} and ipv6.src == {ED_MLEID}', |
| **pv.vars).filter_ping_reply().must_next() |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |