#!/usr/bin/env python3 # # Copyright (c) 2020, 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 config import thread_cert from pktverify.consts import WIRESHARK_OVERRIDE_PREFS, MLE_DATA_RESPONSE, SVR_DATA_URI, NWD_6LOWPAN_ID_TLV, NL_RLOC16_TLV from pktverify.packet_verifier import PacketVerifier from pktverify.addrs import Ipv6Addr from pktverify.null_field import nullField LEADER = 1 ROUTER = 2 FED = 3 PREFIX_2001 = '2001::/64' PREFIX_2002 = '2002::/64' # Test Purpose and Description: # ----------------------------- # The purpose of this test case is to verify that when global prefix information # is set on the FED, the DUT properly disseminates the associated network data. # It also verifies that the DUT sends revised server data information to the # Leader when the FED is removed. # # Test Topology: # ------------- # FED # | # Router(DUT) # | # Leader # # DUT Types: # ---------- # Router class Cert_7_1_8_BorderRouterAsFED(thread_cert.TestCase): USE_MESSAGE_FACTORY = False TOPOLOGY = { LEADER: { 'name': 'LEADER', 'mode': 'rdn', 'allowlist': [ROUTER] }, ROUTER: { 'name': 'ROUTER', 'mode': 'rdn', 'allowlist': [LEADER, FED] }, FED: { 'name': 'FED', 'mode': 'rdn', 'router_upgrade_threshold': 0, 'allowlist': [ROUTER] }, } # override wireshark preferences with case needed parameters CASE_WIRESHARK_PREFS = copy.deepcopy(WIRESHARK_OVERRIDE_PREFS) CASE_WIRESHARK_PREFS['6lowpan.context1'] = PREFIX_2001 CASE_WIRESHARK_PREFS['6lowpan.context2'] = PREFIX_2002 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[FED].start() self.simulator.go(3) self.assertEqual(self.nodes[FED].get_state(), 'child') self.collect_rlocs() self.collect_rloc16s() self.collect_leader_aloc(LEADER) self.nodes[FED].add_prefix(PREFIX_2001, 'paros') self.nodes[FED].add_prefix(PREFIX_2002, 'paro') self.nodes[FED].register_netdata() self.simulator.go(10) self.nodes[FED].stop() self.simulator.go(250) def verify(self, pv): pkts = pv.pkts pv.summary.show() LEADER = pv.vars['LEADER'] LEADER_RLOC = pv.vars['LEADER_RLOC'] LEADER_ALOC = pv.vars['LEADER_ALOC'] ROUTER = pv.vars['ROUTER'] ROUTER_RLOC = pv.vars['ROUTER_RLOC'] ROUTER_RLOC16 = pv.vars['ROUTER_RLOC16'] FED = pv.vars['FED'] FED_RLOC = pv.vars['FED_RLOC'] FED_RLOC16 = pv.vars['FED_RLOC16'] # Step 1: Ensure topology is formed correctly pv.verify_attached('ROUTER', 'LEADER') pv.verify_attached('FED', 'ROUTER', 'MTD') # Step 2: FED automatically sends a CoAP Server Data Notification # message with the server’s information (Prefix, Border Router) # to the Leader. pkts.filter_wpan_src64(FED).\ filter_ipv6_dst(LEADER_ALOC).\ filter_coap_request(SVR_DATA_URI).\ filter(lambda p: { Ipv6Addr(PREFIX_2001[:-3]), Ipv6Addr(PREFIX_2002[:-3]) } == set(p.thread_nwd.tlv.prefix) and\ p.thread_nwd.tlv.border_router_16 == [FED_RLOC16, FED_RLOC16] ).\ must_next() # Step 3: Leader transmits a 2.04 Changed CoAP response to the DUT. # And transmits multicast MLE Data Response with the new information # collected, adding also 6LoWPAN ID TLV for the prefix set on FED. with pkts.save_index(): pkts.filter_wpan_src64(LEADER).\ filter_ipv6_dst(FED_RLOC).\ filter_coap_ack(SVR_DATA_URI).\ must_next() with pkts.save_index(): pkts.filter_wpan_src64(LEADER).\ filter_LLANMA().\ filter_mle_cmd(MLE_DATA_RESPONSE).\ filter(lambda p: { Ipv6Addr(PREFIX_2001[:-3]), Ipv6Addr(PREFIX_2002[:-3]) } == set(p.thread_nwd.tlv.prefix) and\ NWD_6LOWPAN_ID_TLV in p.thread_nwd.tlv.type and\ p.thread_nwd.tlv.border_router.flag.p == [1, 1] and\ p.thread_nwd.tlv.border_router.flag.s == [1, 1] and\ p.thread_nwd.tlv.border_router.flag.r == [1, 1] and\ p.thread_nwd.tlv.border_router.flag.o == [1, 1] and\ p.thread_nwd.tlv.stable == [0, 1, 1, 1, 0, 0, 0] ).\ must_next() # Step 4: The DUT transmits multicast MLE Data Response with the new information # collected, adding also 6LoWPAN ID TLV for the prefix set on FED. pkts.filter_wpan_src64(ROUTER).\ filter_LLANMA().\ filter_mle_cmd(MLE_DATA_RESPONSE).\ filter(lambda p: { Ipv6Addr(PREFIX_2001[:-3]), Ipv6Addr(PREFIX_2002[:-3]) } == set(p.thread_nwd.tlv.prefix) and\ NWD_6LOWPAN_ID_TLV in p.thread_nwd.tlv.type and\ p.thread_nwd.tlv.border_router.flag.p == [1, 1] and\ p.thread_nwd.tlv.border_router.flag.s == [1, 1] and\ p.thread_nwd.tlv.border_router.flag.r == [1, 1] and\ p.thread_nwd.tlv.border_router.flag.o == [1, 1] and\ p.thread_nwd.tlv.stable == [0, 1, 1, 1, 0, 0, 0] ).\ must_next() # Step 6: The DUT notifies Leader of removed server’s (FED’s) RLOC16. # The DUT MUST send a CoAP Server Data Notification frame # to the Leader containing only the removed server’s RLOC16: # CoAP Request URI # coap://[]:MM/a/sd # CoAP Payload # RLOC16 TLV pkts.filter_wpan_src64(ROUTER).\ filter_coap_request(SVR_DATA_URI).\ filter(lambda p: p.thread_address.tlv.type == [NL_RLOC16_TLV] and\ p.thread_address.tlv.rloc16 == FED_RLOC16 ).\ must_next() if __name__ == '__main__': unittest.main()