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Diffstat (limited to 'src/plugins/map/test/test_map_br.py')
| -rw-r--r-- | src/plugins/map/test/test_map_br.py | 694 |
1 files changed, 0 insertions, 694 deletions
diff --git a/src/plugins/map/test/test_map_br.py b/src/plugins/map/test/test_map_br.py deleted file mode 100644 index 3602ddd2e31..00000000000 --- a/src/plugins/map/test/test_map_br.py +++ /dev/null @@ -1,694 +0,0 @@ -#!/usr/bin/env python3 - -import ipaddress -import unittest - -from framework import VppTestCase, VppTestRunner -from vpp_ip import DpoProto -from vpp_ip_route import VppIpRoute, VppRoutePath -from util import fragment_rfc791, fragment_rfc8200 - -import scapy.compat -from scapy.layers.l2 import Ether -from scapy.packet import Raw -from scapy.layers.inet import IP, UDP, ICMP, TCP, IPerror, UDPerror -from scapy.layers.inet6 import IPv6, ICMPv6TimeExceeded, ICMPv6PacketTooBig -from scapy.layers.inet6 import ICMPv6EchoRequest, ICMPv6EchoReply, IPerror6 - - -class TestMAPBR(VppTestCase): - """ MAP-T Test Cases """ - - @classmethod - def setUpClass(cls): - super(TestMAPBR, cls).setUpClass() - - @classmethod - def tearDownClass(cls): - super(TestMAPBR, cls).tearDownClass() - - def setUp(self): - super(TestMAPBR, self).setUp() - - # - # Create 2 pg interfaces. - # pg0 is IPv4 - # pg1 is IPv6 - # - self.create_pg_interfaces(range(2)) - - self.pg0.admin_up() - self.pg0.config_ip4() - self.pg1.generate_remote_hosts(20) - self.pg1.configure_ipv4_neighbors() - self.pg0.resolve_arp() - - self.pg1.admin_up() - self.pg1.config_ip6() - self.pg1.generate_remote_hosts(20) - self.pg1.configure_ipv6_neighbors() - - # - # BR configuration parameters used for all test. - # - self.ip4_prefix = '198.18.0.0/24' - self.ip6_prefix = '2001:db8:f0::/48' - self.ip6_src = '2001:db8:ffff:ff00::/64' - self.ea_bits_len = 12 - self.psid_offset = 6 - self.psid_length = 4 - self.mtu = 1500 - self.tag = 'MAP-T BR' - - self.ipv4_internet_address = self.pg0.remote_ip4 - self.ipv4_map_address = "198.18.0.12" - self.ipv4_udp_or_tcp_internet_port = 65000 - self.ipv4_udp_or_tcp_map_port = 16606 - - self.ipv6_cpe_address = "2001:db8:f0:c30:0:c612:c:3" # 198.18.0.12 - self.ipv6_spoof_address = "2001:db8:f0:c30:0:c612:1c:3" # 198.18.0.28 - self.ipv6_spoof_prefix = "2001:db8:f0:c30:0:a00:c:3" # 10.0.0.12 - self.ipv6_spoof_psid = "2001:db8:f0:c30:0:c612:c:4" # 4 - self.ipv6_spoof_subnet = "2001:db8:f1:c30:0:c612:c:3" # f1 - - self.ipv6_udp_or_tcp_internet_port = 65000 - self.ipv6_udp_or_tcp_map_port = 16606 - self.ipv6_udp_or_tcp_spoof_port = 16862 - - self.ipv6_map_address = ( - "2001:db8:ffff:ff00:ac:1001:200:0") # 176.16.1.2 - self.ipv6_map_same_rule_diff_addr = ( - "2001:db8:ffff:ff00:c6:1200:1000:0") # 198.18.0.16 - self.ipv6_map_same_rule_same_addr = ( - "2001:db8:ffff:ff00:c6:1200:c00:0") # 198.18.0.12 - - self.map_br_prefix = "2001:db8:f0::" - self.map_br_prefix_len = 48 - self.psid_number = 3 - - # - # Add an IPv6 route to the MAP-BR. - # - map_route = VppIpRoute(self, - self.map_br_prefix, - self.map_br_prefix_len, - [VppRoutePath(self.pg1.remote_ip6, - self.pg1.sw_if_index)]) - map_route.add_vpp_config() - - # - # Add a MAP BR domain that maps from pg0 to pg1. - # - self.vapi.map_add_domain(ip4_prefix=self.ip4_prefix, - ip6_prefix=self.ip6_prefix, - ip6_src=self.ip6_src, - ea_bits_len=self.ea_bits_len, - psid_offset=self.psid_offset, - psid_length=self.psid_length, - mtu=self.mtu, - tag=self.tag) - - # - # Set BR parameters. - # - self.vapi.map_param_set_fragmentation(inner=1, ignore_df=0) - self.vapi.map_param_set_fragmentation(inner=0, ignore_df=0) - self.vapi.map_param_set_icmp(ip4_err_relay_src=self.pg0.local_ip4) - self.vapi.map_param_set_traffic_class(copy=1) - - # - # Enable MAP-T on interfaces. - # - self.vapi.map_if_enable_disable(is_enable=1, - sw_if_index=self.pg0.sw_if_index, - is_translation=1) - - self.vapi.map_if_enable_disable(is_enable=1, - sw_if_index=self.pg1.sw_if_index, - is_translation=1) - - self.vapi.map_if_enable_disable(is_enable=1, - sw_if_index=self.pg1.sw_if_index, - is_translation=1) - - def tearDown(self): - super(TestMAPBR, self).tearDown() - for i in self.pg_interfaces: - i.unconfig_ip4() - i.unconfig_ip6() - i.admin_down() - - def v4_address_check(self, pkt): - self.assertEqual(pkt[IP].src, self.ipv4_map_address) - self.assertEqual(pkt[IP].dst, self.ipv4_internet_address) - - def v4_port_check(self, pkt, proto): - self.assertEqual(pkt[proto].sport, self.ipv4_udp_or_tcp_map_port) - self.assertEqual(pkt[proto].dport, self.ipv4_udp_or_tcp_internet_port) - - def v6_address_check(self, pkt): - self.assertEqual(pkt[IPv6].src, self.ipv6_map_address) - self.assertEqual(pkt[IPv6].dst, self.ipv6_cpe_address) - - def v6_port_check(self, pkt, proto): - self.assertEqual(pkt[proto].sport, self.ipv6_udp_or_tcp_internet_port) - self.assertEqual(pkt[proto].dport, self.ipv6_udp_or_tcp_map_port) - - # - # Normal translation of UDP packets v4 -> v6 direction - # Send 128 frame size packet for IPv4/UDP. - # Received packet should be translated into IPv6 packet with no - # fragment header. - # - - def test_map_t_udp_ip4_to_ip6(self): - """ MAP-T UDP IPv4 -> IPv6 """ - - eth = Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) - ip = IP(src=self.pg0.remote_ip4, - dst=self.ipv4_map_address, - tos=0) - udp = UDP(sport=self.ipv4_udp_or_tcp_internet_port, - dport=self.ipv4_udp_or_tcp_map_port) - payload = "a" * 82 - tx_pkt = eth / ip / udp / payload - - self.pg_send(self.pg0, tx_pkt * 1) - - rx_pkts = self.pg1.get_capture(1) - rx_pkt = rx_pkts[0] - - self.v6_address_check(rx_pkt) - self.v6_port_check(rx_pkt, UDP) - self.assertEqual(rx_pkt[IPv6].tc, 0) # IPv4 ToS passed to v6 TC - self.assertEqual(rx_pkt[IPv6].nh, IPv6(nh="UDP").nh) - - # - # Normal translation of TCP packets v4 -> v6 direction. - # Send 128 frame size packet for IPv4/TCP. - # Received packet should be translated into IPv6 packet with no - # fragment header. - # - - def test_map_t_tcp_ip4_to_ip6(self): - """ MAP-T TCP IPv4 -> IPv6 """ - - eth = Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) - ip = IP(src=self.pg0.remote_ip4, - dst=self.ipv4_map_address, - tos=0) - tcp = TCP(sport=self.ipv4_udp_or_tcp_internet_port, - dport=self.ipv4_udp_or_tcp_map_port) - payload = "a" * 82 - tx_pkt = eth / ip / tcp / payload - - self.pg_send(self.pg0, tx_pkt * 1) - - rx_pkts = self.pg1.get_capture(1) - rx_pkt = rx_pkts[0] - - self.v6_address_check(rx_pkt) - self.v6_port_check(rx_pkt, TCP) - self.assertEqual(rx_pkt[IPv6].tc, 0) # IPv4 ToS passed to v6 TC - self.assertEqual(rx_pkt[IPv6].nh, IPv6(nh="TCP").nh) - - # - # Normal translation of UDP packets v6 -> v4 direction - # Send 128 frame size packet for IPv6/UDP. - # Received packet should be translated into an IPv4 packet with DF=1. - # - - def test_map_t_udp_ip6_to_ip4(self): - """ MAP-T UDP IPv6 -> IPv4 """ - - eth = Ether(src=self.pg1.remote_mac, - dst=self.pg1.local_mac) - ip = IPv6(src=self.ipv6_cpe_address, - dst=self.ipv6_map_address) - udp = UDP(sport=self.ipv6_udp_or_tcp_map_port, - dport=self.ipv6_udp_or_tcp_internet_port) - payload = "a" * 82 - tx_pkt = eth / ip / udp / payload - - self.pg_send(self.pg1, tx_pkt * 1) - - rx_pkts = self.pg0.get_capture(1) - rx_pkt = rx_pkts[0] - - self.v4_address_check(rx_pkt) - self.v4_port_check(rx_pkt, UDP) - self.assertEqual(rx_pkt[IP].proto, IP(proto="udp").proto) - self.assertEqual(rx_pkt[IP].tos, 0) # IPv6 TC passed to v4 ToS - df_bit = IP(flags="DF").flags - self.assertNotEqual(rx_pkt[IP].flags & df_bit, df_bit) - - # - # Normal translation of TCP packets v6 -> v4 direction - # Send 128 frame size packet for IPv6/TCP. - # Received packet should be translated into an IPv4 packet with DF=1 - # - - def test_map_t_tcp_ip6_to_ip4(self): - """ MAP-T TCP IPv6 -> IPv4 """ - - eth = Ether(src=self.pg1.remote_mac, - dst=self.pg1.local_mac) - ip = IPv6(src=self.ipv6_cpe_address, - dst=self.ipv6_map_address) - tcp = TCP(sport=self.ipv6_udp_or_tcp_map_port, - dport=self.ipv6_udp_or_tcp_internet_port) - payload = "a" * 82 - tx_pkt = eth / ip / tcp / payload - - self.pg_send(self.pg1, tx_pkt * 1) - - rx_pkts = self.pg0.get_capture(1) - rx_pkt = rx_pkts[0] - - self.v4_address_check(rx_pkt) - self.v4_port_check(rx_pkt, TCP) - self.assertEqual(rx_pkt[IP].proto, IP(proto="tcp").proto) - self.assertEqual(rx_pkt[IP].tos, 0) # IPv6 TC passed to v4 ToS - df_bit = IP(flags="DF").flags - self.assertNotEqual(rx_pkt[IP].flags & df_bit, df_bit) - - # - # Translation of ICMP Echo Request v4 -> v6 direction - # Received packet should be translated into an IPv6 Echo Request. - # - - def test_map_t_echo_request_ip4_to_ip6(self): - """ MAP-T echo request IPv4 -> IPv6 """ - - eth = Ether(src=self.pg1.remote_mac, - dst=self.pg1.local_mac) - ip = IP(src=self.pg0.remote_ip4, - dst=self.ipv4_map_address) - icmp = ICMP(type="echo-request", - id=self.ipv6_udp_or_tcp_map_port) - payload = "H" * 10 - tx_pkt = eth / ip / icmp / payload - - self.pg_send(self.pg0, tx_pkt * 1) - - rx_pkts = self.pg1.get_capture(1) - rx_pkt = rx_pkts[0] - - self.assertEqual(rx_pkt[IPv6].nh, IPv6(nh="ICMPv6").nh) - self.assertEqual(rx_pkt[ICMPv6EchoRequest].type, - ICMPv6EchoRequest(type="Echo Request").type) - self.assertEqual(rx_pkt[ICMPv6EchoRequest].code, 0) - self.assertEqual(rx_pkt[ICMPv6EchoRequest].id, - self.ipv6_udp_or_tcp_map_port) - - # - # Translation of ICMP Echo Reply v4 -> v6 direction - # Received packet should be translated into an IPv6 Echo Reply. - # - - def test_map_t_echo_reply_ip4_to_ip6(self): - """ MAP-T echo reply IPv4 -> IPv6 """ - - eth = Ether(src=self.pg1.remote_mac, - dst=self.pg1.local_mac) - ip = IP(src=self.pg0.remote_ip4, - dst=self.ipv4_map_address) - icmp = ICMP(type="echo-reply", - id=self.ipv6_udp_or_tcp_map_port) - payload = "H" * 10 - tx_pkt = eth / ip / icmp / payload - - self.pg_send(self.pg0, tx_pkt * 1) - - rx_pkts = self.pg1.get_capture(1) - rx_pkt = rx_pkts[0] - - self.assertEqual(rx_pkt[IPv6].nh, IPv6(nh="ICMPv6").nh) - self.assertEqual(rx_pkt[ICMPv6EchoReply].type, - ICMPv6EchoReply(type="Echo Reply").type) - self.assertEqual(rx_pkt[ICMPv6EchoReply].code, 0) - self.assertEqual(rx_pkt[ICMPv6EchoReply].id, - self.ipv6_udp_or_tcp_map_port) - - # - # Translation of ICMP Time Exceeded v4 -> v6 direction - # Received packet should be translated into an IPv6 Time Exceeded. - # - - def test_map_t_time_exceeded_ip4_to_ip6(self): - """ MAP-T time exceeded IPv4 -> IPv6 """ - - eth = Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) - ip = IP(src=self.pg0.remote_ip4, - dst=self.ipv4_map_address) - icmp = ICMP(type="time-exceeded", code="ttl-zero-during-transit") - ip_inner = IP(dst=self.pg0.remote_ip4, - src=self.ipv4_map_address, ttl=1) - udp_inner = UDP(sport=self.ipv4_udp_or_tcp_map_port, - dport=self.ipv4_udp_or_tcp_internet_port) - payload = "H" * 10 - tx_pkt = eth / ip / icmp / ip_inner / udp_inner / payload - - self.pg_send(self.pg0, tx_pkt * 1) - - rx_pkts = self.pg1.get_capture(1) - rx_pkt = rx_pkts[0] - - self.v6_address_check(rx_pkt) - self.assertEqual(rx_pkt[IPv6].nh, IPv6(nh="ICMPv6").nh) - self.assertEqual(rx_pkt[ICMPv6TimeExceeded].type, - ICMPv6TimeExceeded().type) - self.assertEqual(rx_pkt[ICMPv6TimeExceeded].code, - ICMPv6TimeExceeded( - code="hop limit exceeded in transit").code) - self.assertEqual(rx_pkt[ICMPv6TimeExceeded].hlim, tx_pkt[IP][1].ttl) - self.assertTrue(rx_pkt.haslayer(IPerror6)) - self.assertTrue(rx_pkt.haslayer(UDPerror)) - self.assertEqual(rx_pkt[IPv6].src, rx_pkt[IPerror6].dst) - self.assertEqual(rx_pkt[IPv6].dst, rx_pkt[IPerror6].src) - self.assertEqual(rx_pkt[UDPerror].sport, self.ipv6_udp_or_tcp_map_port) - self.assertEqual(rx_pkt[UDPerror].dport, - self.ipv6_udp_or_tcp_internet_port) - - # - # Translation of ICMP Echo Request v6 -> v4 direction - # Received packet should be translated into an IPv4 Echo Request. - # - - def test_map_t_echo_request_ip6_to_ip4(self): - """ MAP-T echo request IPv6 -> IPv4 """ - - eth = Ether(src=self.pg1.remote_mac, - dst=self.pg1.local_mac) - ip = IPv6(src=self.ipv6_cpe_address, - dst=self.ipv6_map_address) - icmp = ICMPv6EchoRequest() - icmp.id = self.ipv6_udp_or_tcp_map_port - payload = "H" * 10 - tx_pkt = eth / ip / icmp / payload - - self.pg_send(self.pg1, tx_pkt * 1) - - rx_pkts = self.pg0.get_capture(1) - rx_pkt = rx_pkts[0] - - self.assertEqual(rx_pkt[IP].proto, IP(proto="icmp").proto) - self.assertEqual(rx_pkt[ICMP].type, ICMP(type="echo-request").type) - self.assertEqual(rx_pkt[ICMP].code, 0) - self.assertEqual(rx_pkt[ICMP].id, self.ipv6_udp_or_tcp_map_port) - - # - # Translation of ICMP Echo Reply v6 -> v4 direction - # Received packet should be translated into an IPv4 Echo Reply. - # - - def test_map_t_echo_reply_ip6_to_ip4(self): - """ MAP-T echo reply IPv6 -> IPv4 """ - - eth = Ether(src=self.pg1.remote_mac, - dst=self.pg1.local_mac) - ip = IPv6(src=self.ipv6_cpe_address, - dst=self.ipv6_map_address) - icmp = ICMPv6EchoReply(id=self.ipv6_udp_or_tcp_map_port) - payload = "H" * 10 - tx_pkt = eth / ip / icmp / payload - - self.pg_send(self.pg1, tx_pkt * 1) - - rx_pkts = self.pg0.get_capture(1) - rx_pkt = rx_pkts[0] - - self.assertEqual(rx_pkt[IP].proto, IP(proto="icmp").proto) - self.assertEqual(rx_pkt[ICMP].type, ICMP(type="echo-reply").type) - self.assertEqual(rx_pkt[ICMP].code, 0) - self.assertEqual(rx_pkt[ICMP].id, self.ipv6_udp_or_tcp_map_port) - - # - # Translation of ICMP Packet Too Big v6 -> v4 direction - # Received packet should be translated into an IPv4 Dest Unreachable. - # - - def test_map_t_packet_too_big_ip6_to_ip4(self): - """ MAP-T packet too big IPv6 -> IPv4 """ - - eth = Ether(src=self.pg1.remote_mac, - dst=self.pg1.local_mac) - ip = IPv6(src=self.ipv6_cpe_address, - dst=self.ipv6_map_address) - icmp = ICMPv6PacketTooBig(mtu=1280) - ip_inner = IPv6(src=self.ipv6_map_address, - dst=self.ipv6_cpe_address) - udp_inner = UDP(sport=self.ipv6_udp_or_tcp_internet_port, - dport=self.ipv6_udp_or_tcp_map_port) - payload = "H" * 10 - tx_pkt = eth / ip / icmp / ip_inner / udp_inner / payload - - self.pg_send(self.pg1, tx_pkt * 1) - - rx_pkts = self.pg0.get_capture(1) - rx_pkt = rx_pkts[0] - - self.v4_address_check(rx_pkt) - self.assertEqual(rx_pkt[IP].proto, IP(proto="icmp").proto) - self.assertEqual(rx_pkt[ICMP].type, ICMP(type="dest-unreach").type) - self.assertEqual(rx_pkt[ICMP].code, - ICMP(code="fragmentation-needed").code) - self.assertEqual(rx_pkt[ICMP].nexthopmtu, - tx_pkt[ICMPv6PacketTooBig].mtu - 20) - self.assertTrue(rx_pkt.haslayer(IPerror)) - self.assertTrue(rx_pkt.haslayer(UDPerror)) - self.assertEqual(rx_pkt[IP].src, rx_pkt[IPerror].dst) - self.assertEqual(rx_pkt[IP].dst, rx_pkt[IPerror].src) - self.assertEqual(rx_pkt[UDPerror].sport, - self.ipv4_udp_or_tcp_internet_port) - self.assertEqual(rx_pkt[UDPerror].dport, self.ipv4_udp_or_tcp_map_port) - - # - # Translation of ICMP Time Exceeded v6 -> v4 direction - # Received packet should be translated into an IPv4 Time Exceeded. - # - - def test_map_t_time_exceeded_ip6_to_ip4(self): - """ MAP-T time exceeded IPv6 -> IPv4 """ - - eth = Ether(src=self.pg1.remote_mac, - dst=self.pg1.local_mac) - ip = IPv6(src=self.ipv6_cpe_address, - dst=self.ipv6_map_address) - icmp = ICMPv6TimeExceeded() - ip_inner = IPv6(src=self.ipv6_map_address, - dst=self.ipv6_cpe_address, hlim=1) - udp_inner = UDP(sport=self.ipv6_udp_or_tcp_internet_port, - dport=self.ipv6_udp_or_tcp_map_port) - payload = "H" * 10 - tx_pkt = eth / ip / icmp / ip_inner / udp_inner / payload - - self.pg_send(self.pg1, tx_pkt * 1) - - rx_pkts = self.pg0.get_capture(1) - rx_pkt = rx_pkts[0] - - self.v4_address_check(rx_pkt) - self.assertEqual(rx_pkt[IP].proto, IP(proto="icmp").proto) - self.assertEqual(rx_pkt[ICMP].type, ICMP(type="time-exceeded").type) - self.assertEqual(rx_pkt[ICMP].code, - ICMP(code="ttl-zero-during-transit").code) - self.assertEqual(rx_pkt[ICMP].ttl, tx_pkt[IPv6][1].hlim) - self.assertTrue(rx_pkt.haslayer(IPerror)) - self.assertTrue(rx_pkt.haslayer(UDPerror)) - self.assertEqual(rx_pkt[IP].src, rx_pkt[IPerror].dst) - self.assertEqual(rx_pkt[IP].dst, rx_pkt[IPerror].src) - self.assertEqual(rx_pkt[UDPerror].sport, - self.ipv4_udp_or_tcp_internet_port) - self.assertEqual(rx_pkt[UDPerror].dport, self.ipv4_udp_or_tcp_map_port) - - # - # Spoofed IPv4 Source Address v6 -> v4 direction - # Send a packet with a wrong IPv4 address embedded in bits 72-103. - # The BR should either drop the packet, or rewrite the spoofed - # source IPv4 as the actual source IPv4 address. - # The BR really should drop the packet. - # - - def test_map_t_spoof_ipv4_src_addr_ip6_to_ip4(self): - """ MAP-T spoof ipv4 src addr IPv6 -> IPv4 """ - - eth = Ether(src=self.pg1.remote_mac, - dst=self.pg1.local_mac) - ip = IPv6(src=self.ipv6_spoof_address, - dst=self.ipv6_map_address) - udp = UDP(sport=self.ipv6_udp_or_tcp_map_port, - dport=self.ipv6_udp_or_tcp_internet_port) - payload = "a" * 82 - tx_pkt = eth / ip / udp / payload - - self.pg_send(self.pg1, tx_pkt * 1) - - self.pg0.get_capture(0, timeout=1) - self.pg0.assert_nothing_captured("Should drop IPv4 spoof address") - - # - # Spoofed IPv4 Source Prefix v6 -> v4 direction - # Send a packet with a wrong IPv4 prefix embedded in bits 72-103. - # The BR should either drop the packet, or rewrite the source IPv4 - # to the prefix that matches the source IPv4 address. - # - - def test_map_t_spoof_ipv4_src_prefix_ip6_to_ip4(self): - """ MAP-T spoof ipv4 src prefix IPv6 -> IPv4 """ - - eth = Ether(src=self.pg1.remote_mac, - dst=self.pg1.local_mac) - ip = IPv6(src=self.ipv6_spoof_prefix, - dst=self.ipv6_map_address) - udp = UDP(sport=self.ipv6_udp_or_tcp_map_port, - dport=self.ipv6_udp_or_tcp_internet_port) - payload = "a" * 82 - tx_pkt = eth / ip / udp / payload - - self.pg_send(self.pg1, tx_pkt * 1) - - self.pg0.get_capture(0, timeout=1) - self.pg0.assert_nothing_captured("Should drop IPv4 spoof prefix") - - # - # Spoofed IPv6 PSID v6 -> v4 direction - # Send a packet with a wrong IPv6 port PSID - # The BR should drop the packet. - # - - def test_map_t_spoof_psid_ip6_to_ip4(self): - """ MAP-T spoof psid IPv6 -> IPv4 """ - - eth = Ether(src=self.pg1.remote_mac, - dst=self.pg1.local_mac) - ip = IPv6(src=self.ipv6_spoof_psid, - dst=self.ipv6_map_address) - udp = UDP(sport=self.ipv6_udp_or_tcp_map_port, - dport=self.ipv6_udp_or_tcp_internet_port) - payload = "a" * 82 - tx_pkt = eth / ip / udp / payload - - self.pg_send(self.pg1, tx_pkt * 1) - - self.pg0.get_capture(0, timeout=1) - self.pg0.assert_nothing_captured("Should drop IPv6 spoof PSID") - - # - # Spoofed IPv6 subnet field v6 -> v4 direction - # Send a packet with a wrong IPv6 subnet as "2001:db8:f1" - # The BR should drop the packet. - # - - def test_map_t_spoof_subnet_ip6_to_ip4(self): - """ MAP-T spoof subnet IPv6 -> IPv4 """ - - eth = Ether(src=self.pg1.remote_mac, - dst=self.pg1.local_mac) - ip = IPv6(src=self.ipv6_spoof_subnet, - dst=self.ipv6_map_address) - udp = UDP(sport=self.ipv6_udp_or_tcp_map_port, - dport=self.ipv6_udp_or_tcp_internet_port) - payload = "a" * 82 - tx_pkt = eth / ip / udp / payload - - self.pg_send(self.pg1, tx_pkt * 1) - - self.pg0.get_capture(0, timeout=1) - self.pg0.assert_nothing_captured("Should drop IPv6 spoof subnet") - - # - # Spoofed IPv6 port PSID v6 -> v4 direction - # Send a packet with a wrong IPv6 port PSID - # The BR should drop the packet. - # - - def test_map_t_spoof_port_psid_ip6_to_ip4(self): - """ MAP-T spoof port psid IPv6 -> IPv4 """ - - eth = Ether(src=self.pg1.remote_mac, - dst=self.pg1.local_mac) - ip = IPv6(src=self.ipv6_cpe_address, - dst=self.ipv6_map_address) - udp = UDP(sport=self.ipv6_udp_or_tcp_spoof_port, - dport=self.ipv6_udp_or_tcp_internet_port) - payload = "a" * 82 - tx_pkt = eth / ip / udp / payload - - self.pg_send(self.pg1, tx_pkt * 1) - - self.pg0.get_capture(0, timeout=1) - self.pg0.assert_nothing_captured("Should drop IPv6 spoof port PSID") - - # - # Spoofed IPv6 ICMP ID PSID v6 -> v4 direction - # Send a packet with a wrong IPv6 IMCP ID PSID - # The BR should drop the packet. - # - - def test_map_t_spoof_icmp_id_psid_ip6_to_ip4(self): - """ MAP-T spoof ICMP id psid IPv6 -> IPv4 """ - - eth = Ether(src=self.pg1.remote_mac, - dst=self.pg1.local_mac) - ip = IPv6(src=self.ipv6_cpe_address, - dst=self.ipv6_map_address) - icmp = ICMPv6EchoRequest() - icmp.id = self.ipv6_udp_or_tcp_spoof_port - payload = "H" * 10 - tx_pkt = eth / ip / icmp / payload - - self.pg_send(self.pg1, tx_pkt * 1) - - self.pg0.get_capture(0, timeout=1) - self.pg0.assert_nothing_captured("Should drop IPv6 spoof port PSID") - - # - # Map to Map - same rule, different address - # - - @unittest.skip("Fixme: correct behavior needs clarification") - def test_map_t_same_rule_diff_addr_ip6_to_ip4(self): - """ MAP-T same rule, diff addr IPv6 -> IPv6 """ - - eth = Ether(src=self.pg1.remote_mac, - dst=self.pg1.local_mac) - ip = IPv6(src=self.ipv6_cpe_address, - dst=self.ipv6_map_same_rule_diff_addr) - udp = UDP(sport=self.ipv6_udp_or_tcp_map_port, - dport=1025) - payload = "a" * 82 - tx_pkt = eth / ip / udp / payload - - self.pg_send(self.pg1, tx_pkt * 1) - - rx_pkts = self.pg1.get_capture(1) - rx_pkt = rx_pkts[0] - - # - # Map to Map - same rule, same address - # - - @unittest.skip("Fixme: correct behavior needs clarification") - def test_map_t_same_rule_same_addr_ip6_to_ip4(self): - """ MAP-T same rule, same addr IPv6 -> IPv6 """ - - eth = Ether(src=self.pg1.remote_mac, - dst=self.pg1.local_mac) - ip = IPv6(src=self.ipv6_cpe_address, - dst=self.ipv6_map_same_rule_same_addr) - udp = UDP(sport=self.ipv6_udp_or_tcp_map_port, - dport=1025) - payload = "a" * 82 - tx_pkt = eth / ip / udp / payload - - self.pg_send(self.pg1, tx_pkt * 1) - - rx_pkts = self.pg1.get_capture(1) - rx_pkt = rx_pkts[0] - -if __name__ == '__main__': - unittest.main(testRunner=VppTestRunner) |