1#!/usr/bin/env python3
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29
30import unittest
31
32import config
33import thread_cert
34from pktverify.consts import MLE_ADVERTISEMENT, MLE_LINK_REQUEST, MLE_PARENT_REQUEST, MLE_PARENT_RESPONSE, MLE_CHILD_UPDATE_RESPONSE, MLE_CHILD_ID_REQUEST, MLE_CHILD_ID_RESPONSE, RESPONSE_TLV, LINK_LAYER_FRAME_COUNTER_TLV, MODE_TLV, TIMEOUT_TLV, VERSION_TLV, TLV_REQUEST_TLV, ADDRESS16_TLV, NETWORK_DATA_TLV, ROUTE64_TLV, MODE_TLV, TIMEOUT_TLV, CHALLENGE_TLV, SOURCE_ADDRESS_TLV, LEADER_DATA_TLV, ADDRESS_REGISTRATION_TLV
35from pktverify.packet_verifier import PacketVerifier
36from pktverify.addrs import Ipv6Addr
37
38LEADER = 1
39ROUTER = 2
40ED1 = 3
41SED1 = 4
42
43MTDS = [ED1, SED1]
44
45
46class Cert_5_6_1_NetworkDataLeaderAsBr(thread_cert.TestCase):
47    TOPOLOGY = {
48        LEADER: {
49            'name': 'LEADER',
50            'mode': 'rdn',
51            'allowlist': [ROUTER]
52        },
53        ROUTER: {
54            'name': 'ROUTER',
55            'mode': 'rdn',
56            'allowlist': [LEADER, ED1, SED1]
57        },
58        ED1: {
59            'name': 'MED',
60            'is_mtd': True,
61            'mode': 'rn',
62            'allowlist': [ROUTER]
63        },
64        SED1: {
65            'name': 'SED',
66            'is_mtd': True,
67            'mode': '-',
68            'timeout': config.DEFAULT_CHILD_TIMEOUT,
69            'allowlist': [ROUTER]
70        },
71    }
72
73    def test(self):
74        self.nodes[LEADER].start()
75        self.simulator.go(config.LEADER_STARTUP_DELAY)
76        self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
77
78        self.nodes[LEADER].add_prefix('2001:2:0:1::/64', 'paros')
79        self.nodes[LEADER].add_prefix('2001:2:0:2::/64', 'paro')
80        self.nodes[LEADER].register_netdata()
81
82        # Set lowpan context of sniffer
83        self.simulator.set_lowpan_context(1, '2001:2:0:1::/64')
84        self.simulator.set_lowpan_context(2, '2001:2:0:2::/64')
85
86        self.simulator.go(5)
87
88        self.nodes[ROUTER].start()
89        self.simulator.go(config.ROUTER_STARTUP_DELAY)
90        self.assertEqual(self.nodes[ROUTER].get_state(), 'router')
91
92        self.nodes[ED1].start()
93        self.simulator.go(5)
94        self.assertEqual(self.nodes[ED1].get_state(), 'child')
95
96        self.nodes[SED1].start()
97        self.simulator.go(5)
98        self.assertEqual(self.nodes[SED1].get_state(), 'child')
99
100        self.collect_rloc16s()
101        addrs = self.nodes[ED1].get_addrs()
102        self.assertTrue(any('2001:2:0:1' in addr[0:10] for addr in addrs))
103        self.assertTrue(any('2001:2:0:2' in addr[0:10] for addr in addrs))
104        for addr in addrs:
105            if addr[0:10] == '2001:2:0:1' or addr[0:10] == '2001:2:0:2':
106                self.assertTrue(self.nodes[LEADER].ping(addr))
107
108        addrs = self.nodes[SED1].get_addrs()
109        self.assertTrue(any('2001:2:0:1' in addr[0:10] for addr in addrs))
110        self.assertFalse(any('2001:2:0:2' in addr[0:10] for addr in addrs))
111        for addr in addrs:
112            if addr[0:10] == '2001:2:0:1' or addr[0:10] == '2001:2:0:2':
113                self.assertTrue(self.nodes[LEADER].ping(addr))
114
115    def verify(self, pv):
116        pkts = pv.pkts
117        pv.summary.show()
118
119        ROUTER = pv.vars['ROUTER']
120        MED = pv.vars['MED']
121        SED = pv.vars['SED']
122        _rpkts = pkts.filter_wpan_src64(ROUTER)
123        _mpkts = pkts.filter_wpan_src64(MED)
124        _spkts = pkts.filter_wpan_src64(SED)
125
126        # Step 3: The DUT MUST request the Network Data TLV during the
127        # attaching procedure when sending MLE Child ID Request frame
128        _rpkts.filter_mle_cmd(MLE_CHILD_ID_REQUEST).must_next().must_verify(
129            lambda p: {
130                RESPONSE_TLV, LINK_LAYER_FRAME_COUNTER_TLV, MODE_TLV, TIMEOUT_TLV, VERSION_TLV, TLV_REQUEST_TLV,
131                ADDRESS16_TLV, NETWORK_DATA_TLV, ROUTE64_TLV
132            } <= set(p.mle.tlv.type))
133        _rpkts_med = _rpkts.copy()
134        _rpkts_sed = _rpkts.copy()
135
136        # Step 6: The DUT MUST send an MLE Child ID Response to SED_1,
137        # containing only stable Network Data
138        _rpkts_sed.filter_mle_cmd(MLE_CHILD_ID_RESPONSE).filter_wpan_dst64(SED).must_next().must_verify(
139            lambda p: {MODE_TLV, TIMEOUT_TLV, CHALLENGE_TLV} <= set(p.thread_nwd.tlv.type) and
140            {Ipv6Addr('2001:2:0:1::')} == set(p.thread_nwd.tlv.prefix) and p.thread_nwd.tlv.border_router.flag.p ==
141            [1] and p.thread_nwd.tlv.border_router.flag.s == [1] and p.thread_nwd.tlv.border_router.flag.r == [1] and p
142            .thread_nwd.tlv.border_router.flag.o == [1] and p.thread_nwd.tlv.stable == [1, 1, 1])
143
144        # Step 8: The DUT MUST send a MLE Child ID Response to MED_1,
145        # containing the full Network Data
146        _rpkts_med.filter_mle_cmd(MLE_CHILD_ID_RESPONSE).filter_wpan_dst64(MED).must_next().must_verify(
147            lambda p: {Ipv6Addr('2001:2:0:1::'), Ipv6Addr('2001:2:0:2::')} == set(
148                p.thread_nwd.tlv.prefix) and p.thread_nwd.tlv.border_router.flag.p == [1, 1] and p.thread_nwd.tlv.
149            border_router.flag.s == [1, 1] and p.thread_nwd.tlv.border_router.flag.r == [1, 1] and p.thread_nwd.tlv.
150            border_router.flag.o == [1, 1] and p.thread_nwd.tlv.stable == [0, 1, 1, 1, 0, 0, 0])
151
152        # Step 10: The DUT MUST send a unicast MLE Child Update
153        # Response to each of MED_1 and SED_1
154        _rpkts_med.filter_mle_cmd(MLE_CHILD_UPDATE_RESPONSE).must_next().must_verify(
155            lambda p: p.wpan.dst64 == MED and
156            {SOURCE_ADDRESS_TLV, MODE_TLV, LEADER_DATA_TLV, ADDRESS_REGISTRATION_TLV} <= set(p.mle.tlv.type))
157        _rpkts_sed.filter_mle_cmd(MLE_CHILD_UPDATE_RESPONSE).must_next().must_verify(
158            lambda p: p.wpan.dst64 == SED and
159            {SOURCE_ADDRESS_TLV, MODE_TLV, LEADER_DATA_TLV, ADDRESS_REGISTRATION_TLV} <= set(p.mle.tlv.type))
160
161        # Step 11: MED_1 and SED_1 MUST respond to each ICMPv6 Echo Request
162        # with an ICMPv6 Echo Reply
163        med_rloc16 = pv.vars['MED_RLOC16']
164        sed_rloc16 = pv.vars['SED_RLOC16']
165        router_rloc16 = pv.vars['ROUTER_RLOC16']
166        _mpkts.range(_rpkts_med.index).filter(
167            lambda p: p.wpan.src16 == med_rloc16 and p.wpan.dst16 == router_rloc16).filter_ping_reply().must_next()
168        _spkts.range(_rpkts_sed.index).filter(
169            lambda p: p.wpan.src16 == sed_rloc16 and p.wpan.dst16 == router_rloc16).filter_ping_reply().must_next()
170
171
172if __name__ == '__main__':
173    unittest.main()
174