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Diffstat (limited to 'test/test_dhcp6.py')
| -rw-r--r-- | test/test_dhcp6.py | 794 |
1 files changed, 0 insertions, 794 deletions
diff --git a/test/test_dhcp6.py b/test/test_dhcp6.py deleted file mode 100644 index 4c6b7d3ca8b..00000000000 --- a/test/test_dhcp6.py +++ /dev/null @@ -1,794 +0,0 @@ -from socket import AF_INET6 - -from scapy.layers.dhcp6 import DHCP6_Advertise, DHCP6OptClientId, \ - DHCP6OptStatusCode, DHCP6OptPref, DHCP6OptIA_PD, DHCP6OptIAPrefix, \ - DHCP6OptServerId, DHCP6_Solicit, DHCP6_Reply, DHCP6_Request, DHCP6_Renew, \ - DHCP6_Rebind, DUID_LL, DHCP6_Release, DHCP6OptElapsedTime, DHCP6OptIA_NA, \ - DHCP6OptIAAddress -from scapy.layers.inet6 import IPv6, Ether, UDP -from scapy.utils6 import in6_mactoifaceid -from scapy.utils import inet_ntop, inet_pton - -from framework import VppTestCase -from vpp_papi import VppEnum -import util - - -def ip6_normalize(ip6): - return inet_ntop(AF_INET6, inet_pton(AF_INET6, ip6)) - - -class TestDHCPv6DataPlane(VppTestCase): - """ DHCPv6 Data Plane Test Case """ - - @classmethod - def setUpClass(cls): - super(TestDHCPv6DataPlane, cls).setUpClass() - - @classmethod - def tearDownClass(cls): - super(TestDHCPv6DataPlane, cls).tearDownClass() - - def setUp(self): - super(TestDHCPv6DataPlane, self).setUp() - - self.create_pg_interfaces(range(1)) - self.interfaces = list(self.pg_interfaces) - for i in self.interfaces: - i.admin_up() - i.config_ip6() - - self.server_duid = DUID_LL(lladdr=self.pg0.remote_mac) - - def tearDown(self): - for i in self.interfaces: - i.unconfig_ip6() - i.admin_down() - super(TestDHCPv6DataPlane, self).tearDown() - - def test_dhcp_ia_na_send_solicit_receive_advertise(self): - """ Verify DHCPv6 IA NA Solicit packet and Advertise event """ - - self.vapi.dhcp6_clients_enable_disable() - - self.pg_enable_capture(self.pg_interfaces) - self.pg_start() - address = {'address': '1:2:3::5', - 'preferred_time': 60, - 'valid_time': 120} - self.vapi.dhcp6_send_client_message( - msg_type=VppEnum.vl_api_dhcpv6_msg_type_t.DHCPV6_MSG_API_SOLICIT, - sw_if_index=self.pg0.sw_if_index, - T1=20, - T2=40, - addresses=[address], - n_addresses=len( - [address])) - rx_list = self.pg0.get_capture(1) - self.assertEqual(len(rx_list), 1) - packet = rx_list[0] - - self.assertEqual(packet.haslayer(IPv6), 1) - self.assertEqual(packet[IPv6].haslayer(DHCP6_Solicit), 1) - - client_duid = packet[DHCP6OptClientId].duid - trid = packet[DHCP6_Solicit].trid - - dst = ip6_normalize(packet[IPv6].dst) - dst2 = ip6_normalize("ff02::1:2") - self.assert_equal(dst, dst2) - src = ip6_normalize(packet[IPv6].src) - src2 = ip6_normalize(self.pg0.local_ip6_ll) - self.assert_equal(src, src2) - ia_na = packet[DHCP6OptIA_NA] - self.assert_equal(ia_na.T1, 20) - self.assert_equal(ia_na.T2, 40) - self.assert_equal(len(ia_na.ianaopts), 1) - address = ia_na.ianaopts[0] - self.assert_equal(address.addr, '1:2:3::5') - self.assert_equal(address.preflft, 60) - self.assert_equal(address.validlft, 120) - - self.vapi.want_dhcp6_reply_events() - - try: - ia_na_opts = DHCP6OptIAAddress(addr='7:8::2', preflft=60, - validlft=120) - p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / - IPv6(src=util.mk_ll_addr(self.pg0.remote_mac), - dst=self.pg0.local_ip6_ll) / - UDP(sport=547, dport=546) / - DHCP6_Advertise(trid=trid) / - DHCP6OptServerId(duid=self.server_duid) / - DHCP6OptClientId(duid=client_duid) / - DHCP6OptPref(prefval=7) / - DHCP6OptStatusCode(statuscode=1) / - DHCP6OptIA_NA(iaid=1, T1=20, T2=40, ianaopts=ia_na_opts) - ) - self.pg0.add_stream([p]) - self.pg_start() - - ev = self.vapi.wait_for_event(1, "dhcp6_reply_event") - - self.assert_equal(ev.preference, 7) - self.assert_equal(ev.status_code, 1) - self.assert_equal(ev.T1, 20) - self.assert_equal(ev.T2, 40) - - reported_address = ev.addresses[0] - address = ia_na_opts.getfieldval("addr") - self.assert_equal(str(reported_address.address), address) - self.assert_equal(reported_address.preferred_time, - ia_na_opts.getfieldval("preflft")) - self.assert_equal(reported_address.valid_time, - ia_na_opts.getfieldval("validlft")) - - finally: - self.vapi.want_dhcp6_reply_events(enable_disable=0) - - def test_dhcp_pd_send_solicit_receive_advertise(self): - """ Verify DHCPv6 PD Solicit packet and Advertise event """ - - self.vapi.dhcp6_clients_enable_disable() - - self.pg_enable_capture(self.pg_interfaces) - self.pg_start() - - prefix = {'prefix': {'address': '1:2:3::', 'len': 50}, - 'preferred_time': 60, - 'valid_time': 120} - prefixes = [prefix] - self.vapi.dhcp6_pd_send_client_message( - msg_type=VppEnum.vl_api_dhcpv6_msg_type_t.DHCPV6_MSG_API_SOLICIT, - sw_if_index=self.pg0.sw_if_index, - T1=20, - T2=40, - prefixes=prefixes, - n_prefixes=len(prefixes)) - rx_list = self.pg0.get_capture(1) - self.assertEqual(len(rx_list), 1) - packet = rx_list[0] - - self.assertEqual(packet.haslayer(IPv6), 1) - self.assertEqual(packet[IPv6].haslayer(DHCP6_Solicit), 1) - - client_duid = packet[DHCP6OptClientId].duid - trid = packet[DHCP6_Solicit].trid - - dst = ip6_normalize(packet[IPv6].dst) - dst2 = ip6_normalize("ff02::1:2") - self.assert_equal(dst, dst2) - src = ip6_normalize(packet[IPv6].src) - src2 = ip6_normalize(self.pg0.local_ip6_ll) - self.assert_equal(src, src2) - ia_pd = packet[DHCP6OptIA_PD] - self.assert_equal(ia_pd.T1, 20) - self.assert_equal(ia_pd.T2, 40) - self.assert_equal(len(ia_pd.iapdopt), 1) - prefix = ia_pd.iapdopt[0] - self.assert_equal(prefix.prefix, '1:2:3::') - self.assert_equal(prefix.plen, 50) - self.assert_equal(prefix.preflft, 60) - self.assert_equal(prefix.validlft, 120) - - self.vapi.want_dhcp6_pd_reply_events() - - try: - ia_pd_opts = DHCP6OptIAPrefix(prefix='7:8::', plen=56, preflft=60, - validlft=120) - p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / - IPv6(src=util.mk_ll_addr(self.pg0.remote_mac), - dst=self.pg0.local_ip6_ll) / - UDP(sport=547, dport=546) / - DHCP6_Advertise(trid=trid) / - DHCP6OptServerId(duid=self.server_duid) / - DHCP6OptClientId(duid=client_duid) / - DHCP6OptPref(prefval=7) / - DHCP6OptStatusCode(statuscode=1) / - DHCP6OptIA_PD(iaid=1, T1=20, T2=40, iapdopt=ia_pd_opts) - ) - self.pg0.add_stream([p]) - self.pg_start() - - ev = self.vapi.wait_for_event(1, "dhcp6_pd_reply_event") - - self.assert_equal(ev.preference, 7) - self.assert_equal(ev.status_code, 1) - self.assert_equal(ev.T1, 20) - self.assert_equal(ev.T2, 40) - - reported_prefix = ev.prefixes[0] - prefix = ia_pd_opts.getfieldval("prefix") - self.assert_equal( - str(reported_prefix.prefix).split('/')[0], prefix) - self.assert_equal(int(str(reported_prefix.prefix).split('/')[1]), - ia_pd_opts.getfieldval("plen")) - self.assert_equal(reported_prefix.preferred_time, - ia_pd_opts.getfieldval("preflft")) - self.assert_equal(reported_prefix.valid_time, - ia_pd_opts.getfieldval("validlft")) - - finally: - self.vapi.want_dhcp6_pd_reply_events(enable_disable=0) - - -class TestDHCPv6IANAControlPlane(VppTestCase): - """ DHCPv6 IA NA Control Plane Test Case """ - - @classmethod - def setUpClass(cls): - super(TestDHCPv6IANAControlPlane, cls).setUpClass() - - @classmethod - def tearDownClass(cls): - super(TestDHCPv6IANAControlPlane, cls).tearDownClass() - - def setUp(self): - super(TestDHCPv6IANAControlPlane, self).setUp() - - self.create_pg_interfaces(range(1)) - self.interfaces = list(self.pg_interfaces) - for i in self.interfaces: - i.admin_up() - - self.server_duid = DUID_LL(lladdr=self.pg0.remote_mac) - self.client_duid = None - self.T1 = 1 - self.T2 = 2 - - fib = self.vapi.ip_route_dump(0, True) - self.initial_addresses = set(self.get_interface_addresses(fib, - self.pg0)) - - self.pg_enable_capture(self.pg_interfaces) - self.pg_start() - - self.vapi.dhcp6_client_enable_disable(self.pg0.sw_if_index) - - def tearDown(self): - self.vapi.dhcp6_client_enable_disable(self.pg0.sw_if_index, enable=0) - - for i in self.interfaces: - i.admin_down() - - super(TestDHCPv6IANAControlPlane, self).tearDown() - - @staticmethod - def get_interface_addresses(fib, pg): - lst = [] - for entry in fib: - if entry.route.prefix.prefixlen == 128: - path = entry.route.paths[0] - if path.sw_if_index == pg.sw_if_index: - lst.append(str(entry.route.prefix.network_address)) - return lst - - def get_addresses(self): - fib = self.vapi.ip_route_dump(0, True) - addresses = set(self.get_interface_addresses(fib, self.pg0)) - return addresses.difference(self.initial_addresses) - - def validate_duid_ll(self, duid): - DUID_LL(duid) - - def validate_packet(self, packet, msg_type, is_resend=False): - try: - self.assertEqual(packet.haslayer(msg_type), 1) - client_duid = packet[DHCP6OptClientId].duid - if self.client_duid is None: - self.client_duid = client_duid - self.validate_duid_ll(client_duid) - else: - self.assertEqual(self.client_duid, client_duid) - if msg_type != DHCP6_Solicit and msg_type != DHCP6_Rebind: - server_duid = packet[DHCP6OptServerId].duid - self.assertEqual(server_duid, self.server_duid) - if is_resend: - self.assertEqual(self.trid, packet[msg_type].trid) - else: - self.trid = packet[msg_type].trid - ip = packet[IPv6] - udp = packet[UDP] - self.assertEqual(ip.dst, 'ff02::1:2') - self.assertEqual(udp.sport, 546) - self.assertEqual(udp.dport, 547) - dhcpv6 = packet[msg_type] - elapsed_time = dhcpv6[DHCP6OptElapsedTime] - if (is_resend): - self.assertNotEqual(elapsed_time.elapsedtime, 0) - else: - self.assertEqual(elapsed_time.elapsedtime, 0) - except BaseException: - packet.show() - raise - - def wait_for_packet(self, msg_type, timeout=None, is_resend=False): - if timeout is None: - timeout = 3 - rx_list = self.pg0.get_capture(1, timeout=timeout) - packet = rx_list[0] - self.validate_packet(packet, msg_type, is_resend=is_resend) - - def wait_for_solicit(self, timeout=None, is_resend=False): - self.wait_for_packet(DHCP6_Solicit, timeout, is_resend=is_resend) - - def wait_for_request(self, timeout=None, is_resend=False): - self.wait_for_packet(DHCP6_Request, timeout, is_resend=is_resend) - - def wait_for_renew(self, timeout=None, is_resend=False): - self.wait_for_packet(DHCP6_Renew, timeout, is_resend=is_resend) - - def wait_for_rebind(self, timeout=None, is_resend=False): - self.wait_for_packet(DHCP6_Rebind, timeout, is_resend=is_resend) - - def wait_for_release(self, timeout=None, is_resend=False): - self.wait_for_packet(DHCP6_Release, timeout, is_resend=is_resend) - - def send_packet(self, msg_type, t1=None, t2=None, ianaopts=None): - if t1 is None: - t1 = self.T1 - if t2 is None: - t2 = self.T2 - if ianaopts is None: - opt_ia_na = DHCP6OptIA_NA(iaid=1, T1=t1, T2=t2) - else: - opt_ia_na = DHCP6OptIA_NA(iaid=1, T1=t1, T2=t2, ianaopts=ianaopts) - p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / - IPv6(src=util.mk_ll_addr(self.pg0.remote_mac), - dst=self.pg0.local_ip6_ll) / - UDP(sport=547, dport=546) / - msg_type(trid=self.trid) / - DHCP6OptServerId(duid=self.server_duid) / - DHCP6OptClientId(duid=self.client_duid) / - opt_ia_na - ) - self.pg0.add_stream([p]) - self.pg_enable_capture(self.pg_interfaces) - self.pg_start() - - def send_advertise(self, t1=None, t2=None, ianaopts=None): - self.send_packet(DHCP6_Advertise, t1, t2, ianaopts) - - def send_reply(self, t1=None, t2=None, ianaopts=None): - self.send_packet(DHCP6_Reply, t1, t2, ianaopts) - - def test_T1_and_T2_timeouts(self): - """ Test T1 and T2 timeouts """ - - self.wait_for_solicit() - self.send_advertise() - self.wait_for_request() - self.send_reply() - - self.sleep(1) - - self.wait_for_renew() - - self.pg_enable_capture(self.pg_interfaces) - - self.sleep(1) - - self.wait_for_rebind() - - def test_addresses(self): - """ Test handling of addresses """ - - ia_na_opts = DHCP6OptIAAddress(addr='7:8::2', preflft=1, - validlft=2) - - self.wait_for_solicit() - self.send_advertise(t1=20, t2=40, ianaopts=ia_na_opts) - self.wait_for_request() - self.send_reply(t1=20, t2=40, ianaopts=ia_na_opts) - self.sleep(0.1) - - # check FIB for new address - new_addresses = self.get_addresses() - self.assertEqual(len(new_addresses), 1) - addr = list(new_addresses)[0] - self.assertEqual(addr, '7:8::2') - - self.sleep(2) - - # check that the address is deleted - fib = self.vapi.ip_route_dump(0, True) - addresses = set(self.get_interface_addresses(fib, self.pg0)) - new_addresses = addresses.difference(self.initial_addresses) - self.assertEqual(len(new_addresses), 0) - - def test_sending_client_messages_solicit(self): - """ VPP receives messages from DHCPv6 client """ - - self.wait_for_solicit() - self.send_packet(DHCP6_Solicit) - self.send_packet(DHCP6_Request) - self.send_packet(DHCP6_Renew) - self.send_packet(DHCP6_Rebind) - self.sleep(1) - self.wait_for_solicit(is_resend=True) - - def test_sending_inappropriate_packets(self): - """ Server sends messages with inappropriate message types """ - - self.wait_for_solicit() - self.send_reply() - self.wait_for_solicit(is_resend=True) - self.send_advertise() - self.wait_for_request() - self.send_advertise() - self.wait_for_request(is_resend=True) - self.send_reply() - self.wait_for_renew() - - def test_no_address_available_in_advertise(self): - """ Advertise message contains NoAddrsAvail status code """ - - self.wait_for_solicit() - noavail = DHCP6OptStatusCode(statuscode=2) # NoAddrsAvail - self.send_advertise(ianaopts=noavail) - self.wait_for_solicit(is_resend=True) - - def test_preferred_greater_than_valid_lifetime(self): - """ Preferred lifetime is greater than valid lifetime """ - - self.wait_for_solicit() - self.send_advertise() - self.wait_for_request() - ia_na_opts = DHCP6OptIAAddress(addr='7:8::2', preflft=4, validlft=3) - self.send_reply(ianaopts=ia_na_opts) - - self.sleep(0.5) - - # check FIB contains no addresses - fib = self.vapi.ip_route_dump(0, True) - addresses = set(self.get_interface_addresses(fib, self.pg0)) - new_addresses = addresses.difference(self.initial_addresses) - self.assertEqual(len(new_addresses), 0) - - def test_T1_greater_than_T2(self): - """ T1 is greater than T2 """ - - self.wait_for_solicit() - self.send_advertise() - self.wait_for_request() - ia_na_opts = DHCP6OptIAAddress(addr='7:8::2', preflft=4, validlft=8) - self.send_reply(t1=80, t2=40, ianaopts=ia_na_opts) - - self.sleep(0.5) - - # check FIB contains no addresses - fib = self.vapi.ip_route_dump(0, True) - addresses = set(self.get_interface_addresses(fib, self.pg0)) - new_addresses = addresses.difference(self.initial_addresses) - self.assertEqual(len(new_addresses), 0) - - -class TestDHCPv6PDControlPlane(VppTestCase): - """ DHCPv6 PD Control Plane Test Case """ - - @classmethod - def setUpClass(cls): - super(TestDHCPv6PDControlPlane, cls).setUpClass() - - @classmethod - def tearDownClass(cls): - super(TestDHCPv6PDControlPlane, cls).tearDownClass() - - def setUp(self): - super(TestDHCPv6PDControlPlane, self).setUp() - - self.create_pg_interfaces(range(2)) - self.interfaces = list(self.pg_interfaces) - for i in self.interfaces: - i.admin_up() - - self.server_duid = DUID_LL(lladdr=self.pg0.remote_mac) - self.client_duid = None - self.T1 = 1 - self.T2 = 2 - - fib = self.vapi.ip_route_dump(0, True) - self.initial_addresses = set(self.get_interface_addresses(fib, - self.pg1)) - - self.pg_enable_capture(self.pg_interfaces) - self.pg_start() - - self.prefix_group = 'my-pd-prefix-group' - - self.vapi.dhcp6_pd_client_enable_disable( - self.pg0.sw_if_index, - prefix_group=self.prefix_group) - - def tearDown(self): - self.vapi.dhcp6_pd_client_enable_disable(self.pg0.sw_if_index, - enable=0) - - for i in self.interfaces: - i.admin_down() - - super(TestDHCPv6PDControlPlane, self).tearDown() - - @staticmethod - def get_interface_addresses(fib, pg): - lst = [] - for entry in fib: - if entry.route.prefix.prefixlen == 128: - path = entry.route.paths[0] - if path.sw_if_index == pg.sw_if_index: - lst.append(str(entry.route.prefix.network_address)) - return lst - - def get_addresses(self): - fib = self.vapi.ip_route_dump(0, True) - addresses = set(self.get_interface_addresses(fib, self.pg1)) - return addresses.difference(self.initial_addresses) - - def validate_duid_ll(self, duid): - DUID_LL(duid) - - def validate_packet(self, packet, msg_type, is_resend=False): - try: - self.assertEqual(packet.haslayer(msg_type), 1) - client_duid = packet[DHCP6OptClientId].duid - if self.client_duid is None: - self.client_duid = client_duid - self.validate_duid_ll(client_duid) - else: - self.assertEqual(self.client_duid, client_duid) - if msg_type != DHCP6_Solicit and msg_type != DHCP6_Rebind: - server_duid = packet[DHCP6OptServerId].duid - self.assertEqual(server_duid, self.server_duid) - if is_resend: - self.assertEqual(self.trid, packet[msg_type].trid) - else: - self.trid = packet[msg_type].trid - ip = packet[IPv6] - udp = packet[UDP] - self.assertEqual(ip.dst, 'ff02::1:2') - self.assertEqual(udp.sport, 546) - self.assertEqual(udp.dport, 547) - dhcpv6 = packet[msg_type] - elapsed_time = dhcpv6[DHCP6OptElapsedTime] - if (is_resend): - self.assertNotEqual(elapsed_time.elapsedtime, 0) - else: - self.assertEqual(elapsed_time.elapsedtime, 0) - except BaseException: - packet.show() - raise - - def wait_for_packet(self, msg_type, timeout=None, is_resend=False): - if timeout is None: - timeout = 3 - rx_list = self.pg0.get_capture(1, timeout=timeout) - packet = rx_list[0] - self.validate_packet(packet, msg_type, is_resend=is_resend) - - def wait_for_solicit(self, timeout=None, is_resend=False): - self.wait_for_packet(DHCP6_Solicit, timeout, is_resend=is_resend) - - def wait_for_request(self, timeout=None, is_resend=False): - self.wait_for_packet(DHCP6_Request, timeout, is_resend=is_resend) - - def wait_for_renew(self, timeout=None, is_resend=False): - self.wait_for_packet(DHCP6_Renew, timeout, is_resend=is_resend) - - def wait_for_rebind(self, timeout=None, is_resend=False): - self.wait_for_packet(DHCP6_Rebind, timeout, is_resend=is_resend) - - def wait_for_release(self, timeout=None, is_resend=False): - self.wait_for_packet(DHCP6_Release, timeout, is_resend=is_resend) - - def send_packet(self, msg_type, t1=None, t2=None, iapdopt=None): - if t1 is None: - t1 = self.T1 - if t2 is None: - t2 = self.T2 - if iapdopt is None: - opt_ia_pd = DHCP6OptIA_PD(iaid=1, T1=t1, T2=t2) - else: - opt_ia_pd = DHCP6OptIA_PD(iaid=1, T1=t1, T2=t2, iapdopt=iapdopt) - p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / - IPv6(src=util.mk_ll_addr(self.pg0.remote_mac), - dst=self.pg0.local_ip6_ll) / - UDP(sport=547, dport=546) / - msg_type(trid=self.trid) / - DHCP6OptServerId(duid=self.server_duid) / - DHCP6OptClientId(duid=self.client_duid) / - opt_ia_pd - ) - self.pg0.add_stream([p]) - self.pg_enable_capture(self.pg_interfaces) - self.pg_start() - - def send_advertise(self, t1=None, t2=None, iapdopt=None): - self.send_packet(DHCP6_Advertise, t1, t2, iapdopt) - - def send_reply(self, t1=None, t2=None, iapdopt=None): - self.send_packet(DHCP6_Reply, t1, t2, iapdopt) - - def test_T1_and_T2_timeouts(self): - """ Test T1 and T2 timeouts """ - - self.wait_for_solicit() - self.send_advertise() - self.wait_for_request() - self.send_reply() - - self.sleep(1) - - self.wait_for_renew() - - self.pg_enable_capture(self.pg_interfaces) - - self.sleep(1) - - self.wait_for_rebind() - - def test_prefixes(self): - """ Test handling of prefixes """ - - address_bin_1 = None - address_bin_2 = None - try: - address_bin_1 = '\x00' * 6 + '\x00\x02' + '\x00' * 6 + '\x04\x05' - address_prefix_length_1 = 60 - self.vapi.ip6_add_del_address_using_prefix(self.pg1.sw_if_index, - address_bin_1, - address_prefix_length_1, - self.prefix_group) - - ia_pd_opts = DHCP6OptIAPrefix(prefix='7:8::', plen=56, preflft=2, - validlft=3) - - self.wait_for_solicit() - self.send_advertise(t1=20, t2=40, iapdopt=ia_pd_opts) - self.wait_for_request() - self.send_reply(t1=20, t2=40, iapdopt=ia_pd_opts) - self.sleep(0.1) - - # check FIB for new address - new_addresses = self.get_addresses() - self.assertEqual(len(new_addresses), 1) - addr = list(new_addresses)[0] - self.assertEqual(addr, '7:8:0:2::405') - - self.sleep(1) - - address_bin_2 = '\x00' * 6 + '\x00\x76' + '\x00' * 6 + '\x04\x06' - address_prefix_length_2 = 62 - self.vapi.ip6_add_del_address_using_prefix(self.pg1.sw_if_index, - address_bin_2, - address_prefix_length_2, - self.prefix_group) - - self.sleep(1) - - # check FIB contains 2 addresses - fib = self.vapi.ip_route_dump(0, True) - addresses = set(self.get_interface_addresses(fib, self.pg1)) - new_addresses = addresses.difference(self.initial_addresses) - self.assertEqual(len(new_addresses), 2) - addr1 = list(new_addresses)[0] - addr2 = list(new_addresses)[1] - if addr1 == '7:8:0:76::406': - addr1, addr2 = addr2, addr1 - self.assertEqual(addr1, '7:8:0:2::405') - self.assertEqual(addr2, '7:8:0:76::406') - - self.sleep(1) - - # check that the addresses are deleted - fib = self.vapi.ip_route_dump(0, True) - addresses = set(self.get_interface_addresses(fib, self.pg1)) - new_addresses = addresses.difference(self.initial_addresses) - self.assertEqual(len(new_addresses), 0) - - finally: - if address_bin_1 is not None: - self.vapi.ip6_add_del_address_using_prefix( - self.pg1.sw_if_index, address_bin_1, - address_prefix_length_1, self.prefix_group, is_add=0) - if address_bin_2 is not None: - self.vapi.ip6_add_del_address_using_prefix( - self.pg1.sw_if_index, address_bin_2, - address_prefix_length_2, self.prefix_group, is_add=0) - - def test_sending_client_messages_solicit(self): - """ VPP receives messages from DHCPv6 client """ - - self.wait_for_solicit() - self.send_packet(DHCP6_Solicit) - self.send_packet(DHCP6_Request) - self.send_packet(DHCP6_Renew) - self.send_packet(DHCP6_Rebind) - self.sleep(1) - self.wait_for_solicit(is_resend=True) - - def test_sending_inappropriate_packets(self): - """ Server sends messages with inappropriate message types """ - - self.wait_for_solicit() - self.send_reply() - self.wait_for_solicit(is_resend=True) - self.send_advertise() - self.wait_for_request() - self.send_advertise() - self.wait_for_request(is_resend=True) - self.send_reply() - self.wait_for_renew() - - def test_no_prefix_available_in_advertise(self): - """ Advertise message contains NoPrefixAvail status code """ - - self.wait_for_solicit() - noavail = DHCP6OptStatusCode(statuscode=6) # NoPrefixAvail - self.send_advertise(iapdopt=noavail) - self.wait_for_solicit(is_resend=True) - - def test_preferred_greater_than_valid_lifetime(self): - """ Preferred lifetime is greater than valid lifetime """ - - try: - address_bin = '\x00' * 6 + '\x00\x02' + '\x00' * 6 + '\x04\x05' - address_prefix_length = 60 - self.vapi.ip6_add_del_address_using_prefix(self.pg1.sw_if_index, - address_bin, - address_prefix_length, - self.prefix_group) - - self.wait_for_solicit() - self.send_advertise() - self.wait_for_request() - ia_pd_opts = DHCP6OptIAPrefix(prefix='7:8::', plen=56, preflft=4, - validlft=3) - self.send_reply(iapdopt=ia_pd_opts) - - self.sleep(0.5) - - # check FIB contains no addresses - fib = self.vapi.ip_route_dump(0, True) - addresses = set(self.get_interface_addresses(fib, self.pg1)) - new_addresses = addresses.difference(self.initial_addresses) - self.assertEqual(len(new_addresses), 0) - - finally: - self.vapi.ip6_add_del_address_using_prefix(self.pg1.sw_if_index, - address_bin, - address_prefix_length, - self.prefix_group, - is_add=0) - - def test_T1_greater_than_T2(self): - """ T1 is greater than T2 """ - - try: - address_bin = '\x00' * 6 + '\x00\x02' + '\x00' * 6 + '\x04\x05' - address_prefix_length = 60 - self.vapi.ip6_add_del_address_using_prefix(self.pg1.sw_if_index, - address_bin, - address_prefix_length, - self.prefix_group) - - self.wait_for_solicit() - self.send_advertise() - self.wait_for_request() - ia_pd_opts = DHCP6OptIAPrefix(prefix='7:8::', plen=56, preflft=4, - validlft=8) - self.send_reply(t1=80, t2=40, iapdopt=ia_pd_opts) - - self.sleep(0.5) - - # check FIB contains no addresses - fib = self.vapi.ip_route_dump(0, True) - addresses = set(self.get_interface_addresses(fib, self.pg1)) - new_addresses = addresses.difference(self.initial_addresses) - self.assertEqual(len(new_addresses), 0) - - finally: - self.vapi.ip6_add_del_address_using_prefix(self.pg1.sw_if_index, - address_bin, - address_prefix_length, - self.prefix_group, - is_add=0) |