#!/usr/bin/env python # # 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 copy import time import unittest import ipaddress import command import config import ipv6 import node LEADER = 1 ROUTER1 = 2 DUT_ROUTER2 = 3 ROUTER3 = 4 SED1 = 5 class Cert_5_3_09_AddressQuery(unittest.TestCase): def setUp(self): self.simulator = config.create_default_simulator() self.nodes = {} for i in range(1,6): self.nodes[i] = node.Node(i, (i == SED1), simulator=self.simulator) self.nodes[LEADER].set_panid(0xface) self.nodes[LEADER].set_mode('rsdn') self.nodes[LEADER].add_whitelist(self.nodes[ROUTER1].get_addr64()) self.nodes[LEADER].add_whitelist(self.nodes[DUT_ROUTER2].get_addr64()) self.nodes[LEADER].add_whitelist(self.nodes[ROUTER3].get_addr64()) self.nodes[LEADER].enable_whitelist() self.nodes[ROUTER1].set_panid(0xface) self.nodes[ROUTER1].set_mode('rsdn') self.nodes[ROUTER1].add_whitelist(self.nodes[LEADER].get_addr64()) self.nodes[ROUTER1].enable_whitelist() self.nodes[ROUTER1].set_router_selection_jitter(1) self.nodes[DUT_ROUTER2].set_panid(0xface) self.nodes[DUT_ROUTER2].set_mode('rsdn') self.nodes[DUT_ROUTER2].add_whitelist(self.nodes[LEADER].get_addr64()) self.nodes[DUT_ROUTER2].add_whitelist(self.nodes[SED1].get_addr64()) self.nodes[DUT_ROUTER2].enable_whitelist() self.nodes[DUT_ROUTER2].set_router_selection_jitter(1) self.nodes[ROUTER3].set_panid(0xface) self.nodes[ROUTER3].set_mode('rsdn') self.nodes[ROUTER3].add_whitelist(self.nodes[LEADER].get_addr64()) self.nodes[ROUTER3].enable_whitelist() self.nodes[ROUTER3].set_router_selection_jitter(1) self.nodes[SED1].set_panid(0xface) self.nodes[SED1].set_mode('s') self.nodes[SED1].add_whitelist(self.nodes[DUT_ROUTER2].get_addr64()) self.nodes[SED1].set_timeout(config.DEFAULT_CHILD_TIMEOUT) self.nodes[SED1].enable_whitelist() def tearDown(self): for node in list(self.nodes.values()): node.stop() node.destroy() self.simulator.stop() def test(self): # 1 & 2 ALL: Build and verify the topology self.nodes[LEADER].start() self.simulator.go(5) self.assertEqual(self.nodes[LEADER].get_state(), 'leader') # Configure the LEADER to be a DHCPv6 Border Router for prefixes 2001:: & 2002:: self.nodes[LEADER].add_prefix('2001::/64', 'pdros') self.nodes[LEADER].add_prefix('2002::/64', 'pdro') self.nodes[LEADER].register_netdata() # Set lowpan context of sniffer self.simulator.set_lowpan_context(1, '2001::/64') self.simulator.set_lowpan_context(2, '2002::/64') self.nodes[ROUTER1].start() self.simulator.go(5) self.assertEqual(self.nodes[ROUTER1].get_state(), 'router') self.nodes[DUT_ROUTER2].start() self.simulator.go(5) self.assertEqual(self.nodes[DUT_ROUTER2].get_state(), 'router') self.nodes[ROUTER3].start() self.simulator.go(5) self.assertEqual(self.nodes[ROUTER3].get_state(), 'router') self.nodes[SED1].start() self.simulator.go(5) self.assertEqual(self.nodes[SED1].get_state(), 'child') # 3 SED1: The SED1 sends an ICMPv6 Echo Request to ROUTER3 using GUA 2001:: address router3_addr = self.nodes[ROUTER3].get_addr("2001::/64") self.assertTrue(router3_addr is not None) self.assertTrue(self.nodes[SED1].ping(router3_addr)) # Verify DUT_ROUTER2 sent an Address Query Request dut_router2_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2) msg = dut_router2_messages.next_coap_message('0.02', '/a/aq') msg.assertSentToDestinationAddress(config.REALM_LOCAL_ALL_ROUTERS_ADDRESS) command.check_address_query(msg, self.nodes[DUT_ROUTER2], config.REALM_LOCAL_ALL_ROUTERS_ADDRESS) # Verify the DUT_ROUTER2 forwarded the ICMPv6 Echo Request to ROUTER3 msg = dut_router2_messages.get_icmp_message(ipv6.ICMP_ECHO_REQUEST) assert msg is not None, "Error: The DUT_ROUTER2 didn't forward ICMPv6 Echo Request to ROUTER3" msg.assertSentToNode(self.nodes[ROUTER3]) # 4 ROUTER1: ROUTER1 sends an ICMPv6 Echo Request to the SED1 using GUA 2001:: address sed1_addr = self.nodes[SED1].get_addr("2001::/64") self.assertTrue(sed1_addr is not None) self.assertTrue(self.nodes[ROUTER1].ping(sed1_addr)) # Wait for sniffer got all Address Notification messages self.simulator.go(1) # Verify DUT_ROUTER2 sent an Address Notification message dut_router2_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2) msg = dut_router2_messages.next_coap_message('0.02', '/a/an') command.check_address_notification(msg, self.nodes[DUT_ROUTER2], self.nodes[ROUTER1]) # 5 SED1: SED1 sends an ICMPv6 Echo Request to the ROUTER3 using GUA 2001:: address self.assertTrue(self.nodes[SED1].ping(router3_addr)) # Wait for sniffer got the ICMPv6 Echo Reply self.simulator.go(1) # Verify DUT_ROUTER2 didn't generate Address Query Request dut_router2_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2) dut_router2_messages_temp = copy.deepcopy(dut_router2_messages) msg = dut_router2_messages.next_coap_message('0.02', '/a/aq', False) assert msg is None, "Error: The DUT_ROUTER2 sent an unexpected Address Query Request" # Verify DUT_ROUTER2 forwarded the ICMPv6 Echo Reply to SED1 msg = dut_router2_messages_temp.get_icmp_message(ipv6.ICMP_ECHO_RESPONSE) assert msg is not None, "Error: The DUT_ROUTER2 didn't forward ICMPv6 Echo Reply to SED1" msg.assertSentToNode(self.nodes[SED1]) # 6 DUT_ROUTER2: Power off ROUTER3 and wait 580s to alow LEADER to expire its Router ID self.nodes[ROUTER3].stop() self.simulator.go(580) # The SED1 sends an ICMPv6 Echo Request to ROUTER3 GUA 2001:: address self.assertFalse(self.nodes[SED1].ping(router3_addr)) # Verify DUT_ROUTER2 sent an Address Query Request dut_router2_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2) msg = dut_router2_messages.next_coap_message('0.02', '/a/aq') msg.assertSentToDestinationAddress(config.REALM_LOCAL_ALL_ROUTERS_ADDRESS) # 7 SED1: Power off SED1 and wait to allow DUT_ROUTER2 to timeout the child self.nodes[SED1].stop() self.simulator.go(5) # ROUTER1 sends two ICMPv6 Echo Requests to SED1 GUA 2001:: address self.assertFalse(self.nodes[ROUTER1].ping(sed1_addr)) self.assertFalse(self.nodes[ROUTER1].ping(sed1_addr)) # Verify DUT_ROUTER2 didn't generate an Address Notification message dut_router2_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2) msg = dut_router2_messages.next_coap_message('0.02', '/a/an', False) assert msg is None, "Error: The DUT_ROUTER2 sent an unexpected Address Notification message" if __name__ == '__main__': unittest.main()