diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/test_nat.py | 463 |
1 files changed, 442 insertions, 21 deletions
diff --git a/test/test_nat.py b/test/test_nat.py index 4ae2850678d..973666a3f9e 100644 --- a/test/test_nat.py +++ b/test/test_nat.py @@ -2383,6 +2383,8 @@ class TestNAT44(MethodHolder): self.pg1.set_table_ip4(vrf_id2) self.pg0.config_ip4() self.pg1.config_ip4() + self.pg0.resolve_arp() + self.pg1.resolve_arp() self.nat44_add_address(nat_ip1, vrf_id=vrf_id1) self.nat44_add_address(nat_ip2, vrf_id=vrf_id2) @@ -2391,28 +2393,34 @@ class TestNAT44(MethodHolder): self.vapi.nat44_interface_add_del_feature(self.pg2.sw_if_index, is_inside=0) - # first VRF - pkts = self.create_stream_in(self.pg0, self.pg2) - self.pg0.add_stream(pkts) - self.pg_enable_capture(self.pg_interfaces) - self.pg_start() - capture = self.pg2.get_capture(len(pkts)) - self.verify_capture_out(capture, nat_ip1) + try: + # first VRF + pkts = self.create_stream_in(self.pg0, self.pg2) + self.pg0.add_stream(pkts) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + capture = self.pg2.get_capture(len(pkts)) + self.verify_capture_out(capture, nat_ip1) - # second VRF - pkts = self.create_stream_in(self.pg1, self.pg2) - self.pg1.add_stream(pkts) - self.pg_enable_capture(self.pg_interfaces) - self.pg_start() - capture = self.pg2.get_capture(len(pkts)) - self.verify_capture_out(capture, nat_ip2) + # second VRF + pkts = self.create_stream_in(self.pg1, self.pg2) + self.pg1.add_stream(pkts) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + capture = self.pg2.get_capture(len(pkts)) + self.verify_capture_out(capture, nat_ip2) - self.pg0.unconfig_ip4() - self.pg1.unconfig_ip4() - self.pg0.set_table_ip4(0) - self.pg1.set_table_ip4(0) - self.vapi.ip_table_add_del(vrf_id1, is_add=0) - self.vapi.ip_table_add_del(vrf_id2, is_add=0) + finally: + self.pg0.unconfig_ip4() + self.pg1.unconfig_ip4() + self.pg0.set_table_ip4(0) + self.pg1.set_table_ip4(0) + self.pg0.config_ip4() + self.pg1.config_ip4() + self.pg0.resolve_arp() + self.pg1.resolve_arp() + self.vapi.ip_table_add_del(vrf_id1, is_add=0) + self.vapi.ip_table_add_del(vrf_id2, is_add=0) def test_vrf_feature_independent(self): """ NAT44 tenant VRF independent address pool mode """ @@ -3143,6 +3151,74 @@ class TestNAT44(MethodHolder): self.verify_ipfix_max_fragments_ip4(data, 0, self.pg0.remote_ip4n) + def test_multiple_outside_vrf(self): + """ Multiple outside VRF """ + vrf_id1 = 1 + vrf_id2 = 2 + + self.pg1.unconfig_ip4() + self.pg2.unconfig_ip4() + self.vapi.ip_table_add_del(vrf_id1, is_add=1) + self.vapi.ip_table_add_del(vrf_id2, is_add=1) + self.pg1.set_table_ip4(vrf_id1) + self.pg2.set_table_ip4(vrf_id2) + self.pg1.config_ip4() + self.pg2.config_ip4() + self.pg1.resolve_arp() + self.pg2.resolve_arp() + + self.nat44_add_address(self.nat_addr) + self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index) + self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index, + is_inside=0) + self.vapi.nat44_interface_add_del_feature(self.pg2.sw_if_index, + is_inside=0) + + try: + # first VRF + pkts = self.create_stream_in(self.pg0, self.pg1) + self.pg0.add_stream(pkts) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + capture = self.pg1.get_capture(len(pkts)) + self.verify_capture_out(capture, self.nat_addr) + + pkts = self.create_stream_out(self.pg1, self.nat_addr) + self.pg1.add_stream(pkts) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + capture = self.pg0.get_capture(len(pkts)) + self.verify_capture_in(capture, self.pg0) + + self.tcp_port_in = 60303 + self.udp_port_in = 60304 + self.icmp_id_in = 60305 + + # second VRF + pkts = self.create_stream_in(self.pg0, self.pg2) + self.pg0.add_stream(pkts) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + capture = self.pg2.get_capture(len(pkts)) + self.verify_capture_out(capture, self.nat_addr) + + pkts = self.create_stream_out(self.pg2, self.nat_addr) + self.pg2.add_stream(pkts) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + capture = self.pg0.get_capture(len(pkts)) + self.verify_capture_in(capture, self.pg0) + + finally: + self.pg1.unconfig_ip4() + self.pg2.unconfig_ip4() + self.pg1.set_table_ip4(0) + self.pg2.set_table_ip4(0) + self.pg1.config_ip4() + self.pg2.config_ip4() + self.pg1.resolve_arp() + self.pg2.resolve_arp() + def tearDown(self): super(TestNAT44, self).tearDown() if not self.vpp_dead: @@ -3183,7 +3259,7 @@ class TestNAT44EndpointDependent(MethodHolder): cls.ipfix_domain_id = 1 cls.tcp_external_port = 80 - cls.create_pg_interfaces(range(5)) + cls.create_pg_interfaces(range(7)) cls.interfaces = list(cls.pg_interfaces[0:3]) for i in cls.interfaces: @@ -3207,6 +3283,58 @@ class TestNAT44EndpointDependent(MethodHolder): cls.pg4._remote_hosts[1]._ip4 = cls.pg4._remote_hosts[0]._ip4 cls.pg4.resolve_arp() + zero_ip4n = socket.inet_pton(socket.AF_INET, "0.0.0.0") + cls.vapi.ip_table_add_del(1, is_add=1) + + cls.pg5._local_ip4 = "10.1.1.1" + cls.pg5._local_ip4n = socket.inet_pton(socket.AF_INET, + cls.pg5.local_ip4) + cls.pg5._remote_hosts[0]._ip4 = "10.1.1.2" + cls.pg5._remote_hosts[0]._ip4n = socket.inet_pton( + socket.AF_INET, cls.pg5.remote_ip4) + cls.pg5.set_table_ip4(1) + cls.pg5.config_ip4() + cls.pg5.admin_up() + cls.vapi.ip_add_del_route(dst_address=cls.pg5.remote_ip4n, + dst_address_length=32, + table_id=1, + next_hop_sw_if_index=cls.pg5.sw_if_index, + next_hop_address=zero_ip4n) + + cls.pg6._local_ip4 = "10.1.2.1" + cls.pg6._local_ip4n = socket.inet_pton(socket.AF_INET, + cls.pg6.local_ip4) + cls.pg6._remote_hosts[0]._ip4 = "10.1.2.2" + cls.pg6._remote_hosts[0]._ip4n = socket.inet_pton( + socket.AF_INET, cls.pg6.remote_ip4) + cls.pg6.set_table_ip4(1) + cls.pg6.config_ip4() + cls.pg6.admin_up() + cls.vapi.ip_add_del_route(dst_address=cls.pg6.remote_ip4n, + dst_address_length=32, + table_id=1, + next_hop_sw_if_index=cls.pg6.sw_if_index, + next_hop_address=zero_ip4n) + + cls.vapi.ip_add_del_route(dst_address=cls.pg6.remote_ip4n, + dst_address_length=16, + next_hop_address=zero_ip4n, + table_id=0, + next_hop_table_id=1) + cls.vapi.ip_add_del_route(dst_address=zero_ip4n, + dst_address_length=0, + next_hop_address=zero_ip4n, + table_id=1, + next_hop_table_id=0) + cls.vapi.ip_add_del_route(dst_address=zero_ip4n, + dst_address_length=0, + table_id=0, + next_hop_sw_if_index=cls.pg1.sw_if_index, + next_hop_address=cls.pg1.local_ip4n) + + cls.pg5.resolve_arp() + cls.pg6.resolve_arp() + except Exception: super(TestNAT44EndpointDependent, cls).tearDownClass() raise @@ -4422,6 +4550,299 @@ class TestNAT44EndpointDependent(MethodHolder): capture = self.pg0.get_capture(len(pkts)) self.verify_capture_in(capture, self.pg0) + def test_multiple_vrf(self): + """ Multiple VRF setup """ + external_addr = '1.2.3.4' + external_port = 80 + local_port = 8080 + port = 0 + + self.vapi.nat44_forwarding_enable_disable(1) + self.nat44_add_address(self.nat_addr) + self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index) + self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index, + is_inside=0) + self.vapi.nat44_interface_add_del_output_feature(self.pg1.sw_if_index, + is_inside=0) + self.vapi.nat44_interface_add_del_feature(self.pg5.sw_if_index) + self.vapi.nat44_interface_add_del_feature(self.pg5.sw_if_index, + is_inside=0) + self.vapi.nat44_interface_add_del_feature(self.pg6.sw_if_index, + is_inside=0) + self.nat44_add_static_mapping(self.pg5.remote_ip4, external_addr, + local_port, external_port, vrf_id=1, + proto=IP_PROTOS.tcp, out2in_only=1) + self.nat44_add_static_mapping( + self.pg0.remote_ip4, external_sw_if_index=self.pg0.sw_if_index, + local_port=local_port, vrf_id=0, external_port=external_port, + proto=IP_PROTOS.tcp, out2in_only=1) + + # from client to service (both VRF1) + p = (Ether(src=self.pg6.remote_mac, dst=self.pg6.local_mac) / + IP(src=self.pg6.remote_ip4, dst=external_addr) / + TCP(sport=12345, dport=external_port)) + self.pg6.add_stream(p) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + capture = self.pg5.get_capture(1) + p = capture[0] + try: + ip = p[IP] + tcp = p[TCP] + self.assertEqual(ip.dst, self.pg5.remote_ip4) + self.assertEqual(tcp.dport, local_port) + self.assert_packet_checksums_valid(p) + except: + self.logger.error(ppp("Unexpected or invalid packet:", p)) + raise + + # from service back to client (both VRF1) + p = (Ether(src=self.pg5.remote_mac, dst=self.pg5.local_mac) / + IP(src=self.pg5.remote_ip4, dst=self.pg6.remote_ip4) / + TCP(sport=local_port, dport=12345)) + self.pg5.add_stream(p) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + capture = self.pg6.get_capture(1) + p = capture[0] + try: + ip = p[IP] + tcp = p[TCP] + self.assertEqual(ip.src, external_addr) + self.assertEqual(tcp.sport, external_port) + self.assert_packet_checksums_valid(p) + except: + self.logger.error(ppp("Unexpected or invalid packet:", p)) + raise + + # dynamic NAT from VRF1 to VRF0 (output-feature) + p = (Ether(src=self.pg5.remote_mac, dst=self.pg5.local_mac) / + IP(src=self.pg5.remote_ip4, dst=self.pg1.remote_ip4) / + TCP(sport=2345, dport=22)) + self.pg5.add_stream(p) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + capture = self.pg1.get_capture(1) + p = capture[0] + try: + ip = p[IP] + tcp = p[TCP] + self.assertEqual(ip.src, self.nat_addr) + self.assertNotEqual(tcp.sport, 2345) + self.assert_packet_checksums_valid(p) + port = tcp.sport + except: + self.logger.error(ppp("Unexpected or invalid packet:", p)) + raise + + p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) / + IP(src=self.pg1.remote_ip4, dst=self.nat_addr) / + TCP(sport=22, dport=port)) + self.pg1.add_stream(p) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + capture = self.pg5.get_capture(1) + p = capture[0] + try: + ip = p[IP] + tcp = p[TCP] + self.assertEqual(ip.dst, self.pg5.remote_ip4) + self.assertEqual(tcp.dport, 2345) + self.assert_packet_checksums_valid(p) + except: + self.logger.error(ppp("Unexpected or invalid packet:", p)) + raise + + # from client VRF1 to service VRF0 + p = (Ether(src=self.pg6.remote_mac, dst=self.pg6.local_mac) / + IP(src=self.pg6.remote_ip4, dst=self.pg0.local_ip4) / + TCP(sport=12346, dport=external_port)) + self.pg6.add_stream(p) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + capture = self.pg0.get_capture(1) + p = capture[0] + try: + ip = p[IP] + tcp = p[TCP] + self.assertEqual(ip.dst, self.pg0.remote_ip4) + self.assertEqual(tcp.dport, local_port) + self.assert_packet_checksums_valid(p) + except: + self.logger.error(ppp("Unexpected or invalid packet:", p)) + raise + + # from service VRF0 back to client VRF1 + p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / + IP(src=self.pg0.remote_ip4, dst=self.pg6.remote_ip4) / + TCP(sport=local_port, dport=12346)) + self.pg0.add_stream(p) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + capture = self.pg6.get_capture(1) + p = capture[0] + try: + ip = p[IP] + tcp = p[TCP] + self.assertEqual(ip.src, self.pg0.local_ip4) + self.assertEqual(tcp.sport, external_port) + self.assert_packet_checksums_valid(p) + except: + self.logger.error(ppp("Unexpected or invalid packet:", p)) + raise + + # from client VRF0 to service VRF1 + p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / + IP(src=self.pg0.remote_ip4, dst=external_addr) / + TCP(sport=12347, dport=external_port)) + self.pg0.add_stream(p) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + capture = self.pg5.get_capture(1) + p = capture[0] + try: + ip = p[IP] + tcp = p[TCP] + self.assertEqual(ip.dst, self.pg5.remote_ip4) + self.assertEqual(tcp.dport, local_port) + self.assert_packet_checksums_valid(p) + except: + self.logger.error(ppp("Unexpected or invalid packet:", p)) + raise + + # from service VRF1 back to client VRF0 + p = (Ether(src=self.pg5.remote_mac, dst=self.pg5.local_mac) / + IP(src=self.pg5.remote_ip4, dst=self.pg0.remote_ip4) / + TCP(sport=local_port, dport=12347)) + self.pg5.add_stream(p) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + capture = self.pg0.get_capture(1) + p = capture[0] + try: + ip = p[IP] + tcp = p[TCP] + self.assertEqual(ip.src, external_addr) + self.assertEqual(tcp.sport, external_port) + self.assert_packet_checksums_valid(p) + except: + self.logger.error(ppp("Unexpected or invalid packet:", p)) + raise + + # from client to server (both VRF1, no translation) + p = (Ether(src=self.pg6.remote_mac, dst=self.pg6.local_mac) / + IP(src=self.pg6.remote_ip4, dst=self.pg5.remote_ip4) / + TCP(sport=12348, dport=local_port)) + self.pg6.add_stream(p) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + capture = self.pg5.get_capture(1) + p = capture[0] + try: + ip = p[IP] + tcp = p[TCP] + self.assertEqual(ip.dst, self.pg5.remote_ip4) + self.assertEqual(tcp.dport, local_port) + self.assert_packet_checksums_valid(p) + except: + self.logger.error(ppp("Unexpected or invalid packet:", p)) + raise + + # from server back to client (both VRF1, no translation) + p = (Ether(src=self.pg5.remote_mac, dst=self.pg5.local_mac) / + IP(src=self.pg5.remote_ip4, dst=self.pg6.remote_ip4) / + TCP(sport=local_port, dport=12348)) + self.pg5.add_stream(p) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + capture = self.pg6.get_capture(1) + p = capture[0] + try: + ip = p[IP] + tcp = p[TCP] + self.assertEqual(ip.src, self.pg5.remote_ip4) + self.assertEqual(tcp.sport, local_port) + self.assert_packet_checksums_valid(p) + except: + self.logger.error(ppp("Unexpected or invalid packet:", p)) + raise + + # from client VRF1 to server VRF0 (no translation) + p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / + IP(src=self.pg0.remote_ip4, dst=self.pg6.remote_ip4) / + TCP(sport=local_port, dport=12349)) + self.pg0.add_stream(p) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + capture = self.pg6.get_capture(1) + p = capture[0] + try: + ip = p[IP] + tcp = p[TCP] + self.assertEqual(ip.src, self.pg0.remote_ip4) + self.assertEqual(tcp.sport, local_port) + self.assert_packet_checksums_valid(p) + except: + self.logger.error(ppp("Unexpected or invalid packet:", p)) + raise + + # from server VRF0 back to client VRF1 (no translation) + p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / + IP(src=self.pg0.remote_ip4, dst=self.pg6.remote_ip4) / + TCP(sport=local_port, dport=12349)) + self.pg0.add_stream(p) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + capture = self.pg6.get_capture(1) + p = capture[0] + try: + ip = p[IP] + tcp = p[TCP] + self.assertEqual(ip.src, self.pg0.remote_ip4) + self.assertEqual(tcp.sport, local_port) + self.assert_packet_checksums_valid(p) + except: + self.logger.error(ppp("Unexpected or invalid packet:", p)) + raise + + # from client VRF0 to server VRF1 (no translation) + p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / + IP(src=self.pg0.remote_ip4, dst=self.pg5.remote_ip4) / + TCP(sport=12344, dport=local_port)) + self.pg0.add_stream(p) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + capture = self.pg5.get_capture(1) + p = capture[0] + try: + ip = p[IP] + tcp = p[TCP] + self.assertEqual(ip.dst, self.pg5.remote_ip4) + self.assertEqual(tcp.dport, local_port) + self.assert_packet_checksums_valid(p) + except: + self.logger.error(ppp("Unexpected or invalid packet:", p)) + raise + + # from server VRF1 back to client VRF0 (no translation) + p = (Ether(src=self.pg5.remote_mac, dst=self.pg5.local_mac) / + IP(src=self.pg5.remote_ip4, dst=self.pg0.remote_ip4) / + TCP(sport=local_port, dport=12344)) + self.pg5.add_stream(p) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + capture = self.pg0.get_capture(1) + p = capture[0] + try: + ip = p[IP] + tcp = p[TCP] + self.assertEqual(ip.src, self.pg5.remote_ip4) + self.assertEqual(tcp.sport, local_port) + self.assert_packet_checksums_valid(p) + except: + self.logger.error(ppp("Unexpected or invalid packet:", p)) + raise + def tearDown(self): super(TestNAT44EndpointDependent, self).tearDown() if not self.vpp_dead: |