diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/test_snat.py | 55 |
1 files changed, 37 insertions, 18 deletions
diff --git a/test/test_snat.py b/test/test_snat.py index 9f5377ebe46..8fd05fa8174 100644 --- a/test/test_snat.py +++ b/test/test_snat.py @@ -3497,7 +3497,7 @@ class TestNAT64(MethodHolder): vrf1_pref64_len) self.verify_capture_in_ip6(capture, dst_ip, self.pg2.remote_ip6) - def _test_unknown_proto(self): + def test_unknown_proto(self): """ NAT64 translate packet with unknown protocol """ self.vapi.nat64_add_del_pool_addr_range(self.nat_addr_n, @@ -3516,7 +3516,7 @@ class TestNAT64(MethodHolder): p = self.pg1.get_capture(1) p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / - IPv6(src=self.pg0.remote_ip6, dst=remote_ip6) / + IPv6(src=self.pg0.remote_ip6, dst=remote_ip6, nh=47) / GRE() / IP(src=self.pg2.local_ip4, dst=self.pg2.remote_ip4) / TCP(sport=1234, dport=1234)) @@ -3547,13 +3547,13 @@ class TestNAT64(MethodHolder): packet = p[0] try: self.assertEqual(packet[IPv6].src, remote_ip6) - self.assertEqual(packet[IPv6].dst, self.pgi0.remote_ip6) - self.assertTrue(packet.haslayer(GRE)) + self.assertEqual(packet[IPv6].dst, self.pg0.remote_ip6) + self.assertEqual(packet[IPv6].nh, 47) except: self.logger.error(ppp("Unexpected or invalid packet:", packet)) raise - def _test_hairpinning_unknown_proto(self): + def test_hairpinning_unknown_proto(self): """ NAT64 translate packet with unknown protocol - hairpinning """ client = self.pg0.remote_hosts[0] @@ -3561,23 +3561,40 @@ class TestNAT64(MethodHolder): server_tcp_in_port = 22 server_tcp_out_port = 4022 client_tcp_in_port = 1234 - client_udp_in_port = 1235 - nat_addr_ip6 = self.compose_ip6(self.nat_addr, '64:ff9b::', 96) - - self.vapi.nat64_add_del_pool_addr_range(self.nat_addr_n, - self.nat_addr_n) + client_tcp_out_port = 1235 + server_nat_ip = "10.0.0.100" + client_nat_ip = "10.0.0.110" + server_nat_ip_n = socket.inet_pton(socket.AF_INET, server_nat_ip) + client_nat_ip_n = socket.inet_pton(socket.AF_INET, client_nat_ip) + server_nat_ip6 = self.compose_ip6(server_nat_ip, '64:ff9b::', 96) + client_nat_ip6 = self.compose_ip6(client_nat_ip, '64:ff9b::', 96) + + self.vapi.nat64_add_del_pool_addr_range(server_nat_ip_n, + client_nat_ip_n) self.vapi.nat64_add_del_interface(self.pg0.sw_if_index) self.vapi.nat64_add_del_interface(self.pg1.sw_if_index, is_inside=0) self.vapi.nat64_add_del_static_bib(server.ip6n, - self.nat_addr_n, + server_nat_ip_n, server_tcp_in_port, server_tcp_out_port, IP_PROTOS.tcp) + self.vapi.nat64_add_del_static_bib(server.ip6n, + server_nat_ip_n, + 0, + 0, + IP_PROTOS.gre) + + self.vapi.nat64_add_del_static_bib(client.ip6n, + client_nat_ip_n, + client_tcp_in_port, + client_tcp_out_port, + IP_PROTOS.tcp) + # client to server p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / - IPv6(src=client.ip6, dst=nat_addr_ip6) / + IPv6(src=client.ip6, dst=server_nat_ip6) / TCP(sport=client_tcp_in_port, dport=server_tcp_out_port)) self.pg0.add_stream(p) self.pg_enable_capture(self.pg_interfaces) @@ -3585,7 +3602,7 @@ class TestNAT64(MethodHolder): p = self.pg0.get_capture(1) p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / - IPv6(src=client.ip6, dst=nat_addr_ip6) / + IPv6(src=client.ip6, dst=server_nat_ip6, nh=IP_PROTOS.gre) / GRE() / IP(src=self.pg2.local_ip4, dst=self.pg2.remote_ip4) / TCP(sport=1234, dport=1234)) @@ -3595,16 +3612,16 @@ class TestNAT64(MethodHolder): p = self.pg0.get_capture(1) packet = p[0] try: - self.assertEqual(packet[IPv6].src, nat_addr_ip6) + self.assertEqual(packet[IPv6].src, client_nat_ip6) self.assertEqual(packet[IPv6].dst, server.ip6) - self.assertTrue(packet.haslayer(GRE)) + self.assertEqual(packet[IPv6].nh, IP_PROTOS.gre) except: self.logger.error(ppp("Unexpected or invalid packet:", packet)) raise # server to client p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / - IPv6(src=server.ip6, dst=nat_addr_ip6) / + IPv6(src=server.ip6, dst=client_nat_ip6, nh=IP_PROTOS.gre) / GRE() / IP(src=self.pg2.remote_ip4, dst=self.pg2.local_ip4) / TCP(sport=1234, dport=1234)) @@ -3614,9 +3631,9 @@ class TestNAT64(MethodHolder): p = self.pg0.get_capture(1) packet = p[0] try: - self.assertEqual(packet[IPv6].src, nat_addr_ip6) + self.assertEqual(packet[IPv6].src, server_nat_ip6) self.assertEqual(packet[IPv6].dst, client.ip6) - self.assertTrue(packet.haslayer(GRE)) + self.assertEqual(packet[IPv6].nh, IP_PROTOS.gre) except: self.logger.error(ppp("Unexpected or invalid packet:", packet)) raise @@ -3702,9 +3719,11 @@ class TestNAT64(MethodHolder): self.logger.info(self.vapi.cli("show nat64 bib tcp")) self.logger.info(self.vapi.cli("show nat64 bib udp")) self.logger.info(self.vapi.cli("show nat64 bib icmp")) + self.logger.info(self.vapi.cli("show nat64 bib unknown")) self.logger.info(self.vapi.cli("show nat64 session table tcp")) self.logger.info(self.vapi.cli("show nat64 session table udp")) self.logger.info(self.vapi.cli("show nat64 session table icmp")) + self.logger.info(self.vapi.cli("show nat64 session table unknown")) self.clear_nat64() if __name__ == '__main__': |