#!/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 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, 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, 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 ROUTER1 = 2 ROUTER2 = 3 # Test Purpose and Description: # ----------------------------- # The purpose of this test case is to validate that when the DUT sees a new router for the first time, it will synchronize using the New Router Neighbor Synchronization procedure. # # Test Topology: # ------------- # Leader # / \ # Router2 Router1[DUT] # # DUT Types: # ---------- # Router class Cert_5_1_12_NewRouterSync(thread_cert.TestCase): USE_MESSAGE_FACTORY = False TOPOLOGY = { LEADER: { 'name': 'LEADER', 'mode': 'rdn', 'allowlist': [ROUTER1, ROUTER2] }, ROUTER1: { 'name': 'ROUTER_1', 'mode': 'rdn', 'allowlist': [LEADER] }, ROUTER2: { 'name': 'ROUTER_2', 'mode': 'rdn', 'allowlist': [LEADER] }, } 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[ROUTER2].start() self.simulator.go(config.ROUTER_STARTUP_DELAY) self.assertEqual(self.nodes[ROUTER2].get_state(), 'router') self.simulator.go(10) self.nodes[ROUTER1].add_allowlist(self.nodes[ROUTER2].get_addr64()) self.nodes[ROUTER2].add_allowlist(self.nodes[ROUTER1].get_addr64()) self.simulator.go(35) def verify(self, pv): pkts = pv.pkts pv.summary.show() LEADER = pv.vars['LEADER'] ROUTER_1 = pv.vars['ROUTER_1'] ROUTER_2 = pv.vars['ROUTER_2'] # Step 1: Verify topology is formed correctly. # Step 2: The DUT MUST send properly formatted MLE Advertisements with # an IP Hop Limit of 255 to the Link-Local All Nodes multicast # address (FF02::1). # The following TLVs MUST be present in the MLE Advertisements: # - Leader Data TLV # - Route64 TLV # - Source Address TLV pv.verify_attached('ROUTER_1') pkts.filter_wpan_src64(ROUTER_1).\ filter_LLANMA().\ filter_mle_cmd(MLE_ADVERTISEMENT).\ filter(lambda p: { LEADER_DATA_TLV, ROUTE64_TLV, SOURCE_ADDRESS_TLV } <= set(p.mle.tlv.type) and\ p.ipv6.hlim == 255).\ must_next() pv.verify_attached('ROUTER_2') pkts.filter_wpan_src64(ROUTER_2).\ filter_LLANMA().\ filter_mle_cmd(MLE_ADVERTISEMENT).\ filter(lambda p: { LEADER_DATA_TLV, ROUTE64_TLV, SOURCE_ADDRESS_TLV } <= set(p.mle.tlv.type) and\ p.ipv6.hlim == 255).\ must_next() # Step 4: The DUT and Router_2 exchange unicast Link Request and unicast # Link Accept messages OR Link Accept and Request messages. # # The Link Request Message MUST be unicast and contain # the following TLVs: # - Challenge TLV # - Leader Data TLV # - Source Address TLV # - Version TLV # - TLV Request TLV: Link Margin # # Link Accept or Link Accept And Request Messages MUST be # Unicast. # The following TLVs MUST be present in the Link Accept or # Link Accept And Request Messages : # - Leader Data TLV # - Link-layer Frame Counter TLV # - Link Margin TLV # - Response TLV # - Source Address TLV # - Version TLV # - TLV Request TLV: Link Margin # - Challenge TLV (optional) # - MLE Frame Counter TLV (optional) # The Challenge TLV and TLV Request TLV MUST be included # if the response is an Accept and Request message. lq_src = ROUTER_1 lq_dst = ROUTER_2 _pkt = pkts.filter_mle_cmd(MLE_LINK_REQUEST).\ filter(lambda p: { CHALLENGE_TLV, LEADER_DATA_TLV, SOURCE_ADDRESS_TLV, VERSION_TLV, TLV_REQUEST_TLV, LINK_MARGIN_TLV } <= set(p.mle.tlv.type) and\ p.mle.tlv.link_margin is nullField and\ (p.wpan.src64 == ROUTER_1 or\ p.wpan.src64 == ROUTER_2) ).\ must_next() if _pkt.wpan.src64 != ROUTER_1: _pkt.must_verify(lambda p: p.wpan.dst64 == ROUTER_1) lq_src = ROUTER_2 lq_dst = ROUTER_1 _pkt = pkts.filter_wpan_src64(lq_dst).\ filter_wpan_dst64(lq_src).\ filter_mle_cmd2(MLE_LINK_ACCEPT, MLE_LINK_ACCEPT_AND_REQUEST).\ filter(lambda p: { LEADER_DATA_TLV, LINK_LAYER_FRAME_COUNTER_TLV, LINK_MARGIN_TLV, RESPONSE_TLV, SOURCE_ADDRESS_TLV, VERSION_TLV } <= set(p.mle.tlv.type) and\ p.mle.tlv.link_margin is not nullField ).\ must_next() if _pkt.mle.cmd == MLE_LINK_ACCEPT_AND_REQUEST: _pkt.must_verify(lambda p: {CHALLENGE_TLV, TLV_REQUEST_TLV} <= set(p.mle.tlv.type)) if __name__ == '__main__': unittest.main()