+class TestIpsecGreTebUdpIfEspTra(TemplateIpsec,
+ IpsecTun4Tests):
+ """ Ipsec GRE TEB UDP ESP - Tra tests """
+ tun4_encrypt_node_name = "esp4-encrypt-tun"
+ tun4_decrypt_node_name = "esp4-decrypt-tun"
+ encryption_type = ESP
+ omac = "00:11:22:33:44:55"
+
+ def gen_encrypt_pkts(self, p, sa, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ sa.encrypt(IP(src=self.pg0.remote_ip4,
+ dst=self.pg0.local_ip4) /
+ GRE() /
+ Ether(dst=self.omac) /
+ IP(src="1.1.1.1", dst="1.1.1.2") /
+ UDP(sport=1144, dport=2233) /
+ Raw(b'X' * payload_size))
+ for i in range(count)]
+
+ def gen_pkts(self, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(dst=self.omac) /
+ IP(src="1.1.1.1", dst="1.1.1.2") /
+ UDP(sport=1144, dport=2233) /
+ Raw(b'X' * payload_size)
+ for i in range(count)]
+
+ def verify_decrypted(self, p, rxs):
+ for rx in rxs:
+ self.assert_equal(rx[Ether].dst, self.omac)
+ self.assert_equal(rx[IP].dst, "1.1.1.2")
+
+ def verify_encrypted(self, p, sa, rxs):
+ for rx in rxs:
+ self.assertTrue(rx.haslayer(UDP))
+ self.assertEqual(rx[UDP].dport, 4545)
+ self.assertEqual(rx[UDP].sport, 5454)
+ try:
+ pkt = sa.decrypt(rx[IP])
+ if not pkt.haslayer(IP):
+ pkt = IP(pkt[Raw].load)
+ self.assert_packet_checksums_valid(pkt)
+ self.assert_equal(pkt[IP].dst, self.pg0.remote_ip4)
+ self.assert_equal(pkt[IP].src, self.pg0.local_ip4)
+ self.assertTrue(pkt.haslayer(GRE))
+ e = pkt[Ether]
+ self.assertEqual(e[Ether].dst, self.omac)
+ self.assertEqual(e[IP].dst, "1.1.1.2")
+ except (IndexError, AssertionError):
+ self.logger.debug(ppp("Unexpected packet:", rx))
+ try:
+ self.logger.debug(ppp("Decrypted packet:", pkt))
+ except:
+ pass
+ raise
+
+ def setUp(self):
+ super(TestIpsecGreTebUdpIfEspTra, self).setUp()
+
+ self.tun_if = self.pg0
+
+ p = self.ipv4_params
+ p = self.ipv4_params
+ p.flags = (VppEnum.vl_api_ipsec_sad_flags_t.
+ IPSEC_API_SAD_FLAG_UDP_ENCAP)
+ p.nat_header = UDP(sport=5454, dport=4545)
+
+ bd1 = VppBridgeDomain(self, 1)
+ bd1.add_vpp_config()
+
+ p.tun_sa_out = VppIpsecSA(self, p.scapy_tun_sa_id, p.scapy_tun_spi,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.crypt_algo_vpp_id, p.crypt_key,
+ self.vpp_esp_protocol,
+ flags=p.flags,
+ udp_src=5454,
+ udp_dst=4545)
+ p.tun_sa_out.add_vpp_config()
+
+ p.tun_sa_in = VppIpsecSA(self, p.vpp_tun_sa_id, p.vpp_tun_spi,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.crypt_algo_vpp_id, p.crypt_key,
+ self.vpp_esp_protocol,
+ flags=(p.flags |
+ VppEnum.vl_api_ipsec_sad_flags_t.
+ IPSEC_API_SAD_FLAG_IS_INBOUND),
+ udp_src=5454,
+ udp_dst=4545)
+ p.tun_sa_in.add_vpp_config()
+
+ p.tun_if = VppGreInterface(self,
+ self.pg0.local_ip4,
+ self.pg0.remote_ip4,
+ type=(VppEnum.vl_api_gre_tunnel_type_t.
+ GRE_API_TUNNEL_TYPE_TEB))
+ p.tun_if.add_vpp_config()
+
+ p.tun_protect = VppIpsecTunProtect(self,
+ p.tun_if,
+ p.tun_sa_out,
+ [p.tun_sa_in])
+
+ p.tun_protect.add_vpp_config()
+
+ p.tun_if.admin_up()
+ p.tun_if.config_ip4()
+ config_tra_params(p, self.encryption_type, p.tun_if)
+
+ VppBridgeDomainPort(self, bd1, p.tun_if).add_vpp_config()
+ VppBridgeDomainPort(self, bd1, self.pg1).add_vpp_config()
+
+ self.vapi.cli("clear ipsec sa")
+ self.logger.info(self.vapi.cli("sh ipsec sa 0"))
+
+ def tearDown(self):
+ p = self.ipv4_params
+ p.tun_if.unconfig_ip4()
+ super(TestIpsecGreTebUdpIfEspTra, self).tearDown()
+
+
+class TestIpsecGreIfEsp(TemplateIpsec,
+ IpsecTun4Tests):
+ """ Ipsec GRE ESP - TUN tests """
+ tun4_encrypt_node_name = "esp4-encrypt-tun"
+ tun4_decrypt_node_name = "esp4-decrypt-tun"
+ encryption_type = ESP
+
+ def gen_encrypt_pkts(self, p, sa, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ sa.encrypt(IP(src=self.pg0.remote_ip4,
+ dst=self.pg0.local_ip4) /
+ GRE() /
+ IP(src=self.pg1.local_ip4,
+ dst=self.pg1.remote_ip4) /
+ UDP(sport=1144, dport=2233) /
+ Raw(b'X' * payload_size))
+ for i in range(count)]
+
+ def gen_pkts(self, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ IP(src="1.1.1.1", dst="1.1.1.2") /
+ UDP(sport=1144, dport=2233) /
+ Raw(b'X' * payload_size)
+ for i in range(count)]
+
+ def verify_decrypted(self, p, rxs):
+ for rx in rxs:
+ self.assert_equal(rx[Ether].dst, self.pg1.remote_mac)
+ self.assert_equal(rx[IP].dst, self.pg1.remote_ip4)
+
+ def verify_encrypted(self, p, sa, rxs):
+ for rx in rxs:
+ try:
+ pkt = sa.decrypt(rx[IP])
+ if not pkt.haslayer(IP):
+ pkt = IP(pkt[Raw].load)
+ self.assert_packet_checksums_valid(pkt)
+ self.assert_equal(pkt[IP].dst, self.pg0.remote_ip4)
+ self.assert_equal(pkt[IP].src, self.pg0.local_ip4)
+ self.assertTrue(pkt.haslayer(GRE))
+ e = pkt[GRE]
+ self.assertEqual(e[IP].dst, "1.1.1.2")
+ except (IndexError, AssertionError):
+ self.logger.debug(ppp("Unexpected packet:", rx))
+ try:
+ self.logger.debug(ppp("Decrypted packet:", pkt))
+ except:
+ pass
+ raise
+
+ def setUp(self):
+ super(TestIpsecGreIfEsp, self).setUp()
+
+ self.tun_if = self.pg0
+
+ p = self.ipv4_params
+
+ bd1 = VppBridgeDomain(self, 1)
+ bd1.add_vpp_config()
+
+ p.tun_sa_out = VppIpsecSA(self, p.scapy_tun_sa_id, p.scapy_tun_spi,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.crypt_algo_vpp_id, p.crypt_key,
+ self.vpp_esp_protocol,
+ self.pg0.local_ip4,
+ self.pg0.remote_ip4)
+ p.tun_sa_out.add_vpp_config()
+
+ p.tun_sa_in = VppIpsecSA(self, p.vpp_tun_sa_id, p.vpp_tun_spi,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.crypt_algo_vpp_id, p.crypt_key,
+ self.vpp_esp_protocol,
+ self.pg0.remote_ip4,
+ self.pg0.local_ip4)
+ p.tun_sa_in.add_vpp_config()
+
+ p.tun_if = VppGreInterface(self,
+ self.pg0.local_ip4,
+ self.pg0.remote_ip4)
+ p.tun_if.add_vpp_config()
+
+ p.tun_protect = VppIpsecTunProtect(self,
+ p.tun_if,
+ p.tun_sa_out,
+ [p.tun_sa_in])
+ p.tun_protect.add_vpp_config()
+
+ p.tun_if.admin_up()
+ p.tun_if.config_ip4()
+ config_tun_params(p, self.encryption_type, p.tun_if)
+
+ VppIpRoute(self, "1.1.1.2", 32,
+ [VppRoutePath(p.tun_if.remote_ip4,
+ 0xffffffff)]).add_vpp_config()
+
+ def tearDown(self):
+ p = self.ipv4_params
+ p.tun_if.unconfig_ip4()
+ super(TestIpsecGreIfEsp, self).tearDown()
+
+
+class TestIpsecGreIfEspTra(TemplateIpsec,
+ IpsecTun4Tests):
+ """ Ipsec GRE ESP - TRA tests """
+ tun4_encrypt_node_name = "esp4-encrypt-tun"
+ tun4_decrypt_node_name = "esp4-decrypt-tun"
+ encryption_type = ESP
+
+ def gen_encrypt_pkts(self, p, sa, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ sa.encrypt(IP(src=self.pg0.remote_ip4,
+ dst=self.pg0.local_ip4) /
+ GRE() /
+ IP(src=self.pg1.local_ip4,
+ dst=self.pg1.remote_ip4) /
+ UDP(sport=1144, dport=2233) /
+ Raw(b'X' * payload_size))
+ for i in range(count)]
+
+ def gen_encrypt_non_ip_pkts(self, sa, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ sa.encrypt(IP(src=self.pg0.remote_ip4,
+ dst=self.pg0.local_ip4) /
+ GRE() /
+ UDP(sport=1144, dport=2233) /
+ Raw(b'X' * payload_size))
+ for i in range(count)]
+
+ def gen_pkts(self, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ IP(src="1.1.1.1", dst="1.1.1.2") /
+ UDP(sport=1144, dport=2233) /
+ Raw(b'X' * payload_size)
+ for i in range(count)]
+
+ def verify_decrypted(self, p, rxs):
+ for rx in rxs:
+ self.assert_equal(rx[Ether].dst, self.pg1.remote_mac)
+ self.assert_equal(rx[IP].dst, self.pg1.remote_ip4)
+
+ def verify_encrypted(self, p, sa, rxs):
+ for rx in rxs:
+ try:
+ pkt = sa.decrypt(rx[IP])
+ if not pkt.haslayer(IP):
+ pkt = IP(pkt[Raw].load)
+ self.assert_packet_checksums_valid(pkt)
+ self.assertTrue(pkt.haslayer(GRE))
+ e = pkt[GRE]
+ self.assertEqual(e[IP].dst, "1.1.1.2")
+ except (IndexError, AssertionError):
+ self.logger.debug(ppp("Unexpected packet:", rx))
+ try:
+ self.logger.debug(ppp("Decrypted packet:", pkt))
+ except:
+ pass
+ raise
+
+ def setUp(self):
+ super(TestIpsecGreIfEspTra, self).setUp()
+
+ self.tun_if = self.pg0
+
+ p = self.ipv4_params
+
+ p.tun_sa_out = VppIpsecSA(self, p.scapy_tun_sa_id, p.scapy_tun_spi,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.crypt_algo_vpp_id, p.crypt_key,
+ self.vpp_esp_protocol)
+ p.tun_sa_out.add_vpp_config()
+
+ p.tun_sa_in = VppIpsecSA(self, p.vpp_tun_sa_id, p.vpp_tun_spi,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.crypt_algo_vpp_id, p.crypt_key,
+ self.vpp_esp_protocol)
+ p.tun_sa_in.add_vpp_config()
+
+ p.tun_if = VppGreInterface(self,
+ self.pg0.local_ip4,
+ self.pg0.remote_ip4)
+ p.tun_if.add_vpp_config()
+
+ p.tun_protect = VppIpsecTunProtect(self,
+ p.tun_if,
+ p.tun_sa_out,
+ [p.tun_sa_in])
+ p.tun_protect.add_vpp_config()
+
+ p.tun_if.admin_up()
+ p.tun_if.config_ip4()
+ config_tra_params(p, self.encryption_type, p.tun_if)
+
+ VppIpRoute(self, "1.1.1.2", 32,
+ [VppRoutePath(p.tun_if.remote_ip4,
+ 0xffffffff)]).add_vpp_config()
+
+ def tearDown(self):
+ p = self.ipv4_params
+ p.tun_if.unconfig_ip4()
+ super(TestIpsecGreIfEspTra, self).tearDown()
+
+ def test_gre_non_ip(self):
+ p = self.ipv4_params
+ tx = self.gen_encrypt_non_ip_pkts(p.scapy_tun_sa, self.tun_if,
+ src=p.remote_tun_if_host,
+ dst=self.pg1.remote_ip6)
+ self.send_and_assert_no_replies(self.tun_if, tx)
+ node_name = ('/err/%s/unsupported payload' %
+ self.tun4_decrypt_node_name)
+ self.assertEqual(1, self.statistics.get_err_counter(node_name))
+
+
+class TestIpsecGre6IfEspTra(TemplateIpsec,
+ IpsecTun6Tests):
+ """ Ipsec GRE ESP - TRA tests """
+ tun6_encrypt_node_name = "esp6-encrypt-tun"
+ tun6_decrypt_node_name = "esp6-decrypt-tun"
+ encryption_type = ESP
+
+ def gen_encrypt_pkts6(self, p, sa, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ sa.encrypt(IPv6(src=self.pg0.remote_ip6,
+ dst=self.pg0.local_ip6) /
+ GRE() /
+ IPv6(src=self.pg1.local_ip6,
+ dst=self.pg1.remote_ip6) /
+ UDP(sport=1144, dport=2233) /
+ Raw(b'X' * payload_size))
+ for i in range(count)]
+
+ def gen_pkts6(self, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ IPv6(src="1::1", dst="1::2") /
+ UDP(sport=1144, dport=2233) /
+ Raw(b'X' * payload_size)
+ for i in range(count)]
+
+ def verify_decrypted6(self, p, rxs):
+ for rx in rxs:
+ self.assert_equal(rx[Ether].dst, self.pg1.remote_mac)
+ self.assert_equal(rx[IPv6].dst, self.pg1.remote_ip6)
+
+ def verify_encrypted6(self, p, sa, rxs):
+ for rx in rxs:
+ try:
+ pkt = sa.decrypt(rx[IPv6])
+ if not pkt.haslayer(IPv6):
+ pkt = IPv6(pkt[Raw].load)
+ self.assert_packet_checksums_valid(pkt)
+ self.assertTrue(pkt.haslayer(GRE))
+ e = pkt[GRE]
+ self.assertEqual(e[IPv6].dst, "1::2")
+ except (IndexError, AssertionError):
+ self.logger.debug(ppp("Unexpected packet:", rx))
+ try:
+ self.logger.debug(ppp("Decrypted packet:", pkt))
+ except:
+ pass
+ raise
+
+ def setUp(self):
+ super(TestIpsecGre6IfEspTra, self).setUp()
+
+ self.tun_if = self.pg0
+
+ p = self.ipv6_params
+
+ bd1 = VppBridgeDomain(self, 1)
+ bd1.add_vpp_config()
+
+ p.tun_sa_out = VppIpsecSA(self, p.scapy_tun_sa_id, p.scapy_tun_spi,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.crypt_algo_vpp_id, p.crypt_key,
+ self.vpp_esp_protocol)
+ p.tun_sa_out.add_vpp_config()
+
+ p.tun_sa_in = VppIpsecSA(self, p.vpp_tun_sa_id, p.vpp_tun_spi,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.crypt_algo_vpp_id, p.crypt_key,
+ self.vpp_esp_protocol)
+ p.tun_sa_in.add_vpp_config()
+
+ p.tun_if = VppGreInterface(self,
+ self.pg0.local_ip6,
+ self.pg0.remote_ip6)
+ p.tun_if.add_vpp_config()
+
+ p.tun_protect = VppIpsecTunProtect(self,
+ p.tun_if,
+ p.tun_sa_out,
+ [p.tun_sa_in])
+ p.tun_protect.add_vpp_config()
+
+ p.tun_if.admin_up()
+ p.tun_if.config_ip6()
+ config_tra_params(p, self.encryption_type, p.tun_if)
+
+ r = VppIpRoute(self, "1::2", 128,
+ [VppRoutePath(p.tun_if.remote_ip6,
+ 0xffffffff,
+ proto=DpoProto.DPO_PROTO_IP6)])
+ r.add_vpp_config()
+
+ def tearDown(self):
+ p = self.ipv6_params
+ p.tun_if.unconfig_ip6()
+ super(TestIpsecGre6IfEspTra, self).tearDown()
+
+
+class TestIpsecMGreIfEspTra4(TemplateIpsec, IpsecTun4):
+ """ Ipsec mGRE ESP v4 TRA tests """
+ tun4_encrypt_node_name = "esp4-encrypt-tun"
+ tun4_decrypt_node_name = "esp4-decrypt-tun"
+ encryption_type = ESP
+
+ def gen_encrypt_pkts(self, p, sa, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ sa.encrypt(IP(src=p.tun_dst,
+ dst=self.pg0.local_ip4) /
+ GRE() /
+ IP(src=self.pg1.local_ip4,
+ dst=self.pg1.remote_ip4) /
+ UDP(sport=1144, dport=2233) /
+ Raw(b'X' * payload_size))
+ for i in range(count)]
+
+ def gen_pkts(self, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ IP(src="1.1.1.1", dst=dst) /
+ UDP(sport=1144, dport=2233) /
+ Raw(b'X' * payload_size)
+ for i in range(count)]
+
+ def verify_decrypted(self, p, rxs):
+ for rx in rxs:
+ self.assert_equal(rx[Ether].dst, self.pg1.remote_mac)
+ self.assert_equal(rx[IP].dst, self.pg1.remote_ip4)
+
+ def verify_encrypted(self, p, sa, rxs):
+ for rx in rxs:
+ try:
+ pkt = sa.decrypt(rx[IP])
+ if not pkt.haslayer(IP):
+ pkt = IP(pkt[Raw].load)
+ self.assert_packet_checksums_valid(pkt)
+ self.assertTrue(pkt.haslayer(GRE))
+ e = pkt[GRE]
+ self.assertEqual(e[IP].dst, p.remote_tun_if_host)
+ except (IndexError, AssertionError):
+ self.logger.debug(ppp("Unexpected packet:", rx))
+ try:
+ self.logger.debug(ppp("Decrypted packet:", pkt))
+ except:
+ pass
+ raise
+
+ def setUp(self):
+ super(TestIpsecMGreIfEspTra4, self).setUp()
+
+ N_NHS = 16
+ self.tun_if = self.pg0
+ p = self.ipv4_params
+ p.tun_if = VppGreInterface(self,
+ self.pg0.local_ip4,
+ "0.0.0.0",
+ mode=(VppEnum.vl_api_tunnel_mode_t.
+ TUNNEL_API_MODE_MP))
+ p.tun_if.add_vpp_config()
+ p.tun_if.admin_up()
+ p.tun_if.config_ip4()
+ p.tun_if.generate_remote_hosts(N_NHS)
+ self.pg0.generate_remote_hosts(N_NHS)
+ self.pg0.configure_ipv4_neighbors()
+
+ # setup some SAs for several next-hops on the interface
+ self.multi_params = []
+
+ for ii in range(N_NHS):
+ p = copy.copy(self.ipv4_params)
+
+ p.remote_tun_if_host = "1.1.1.%d" % (ii + 1)
+ p.scapy_tun_sa_id = p.scapy_tun_sa_id + ii
+ p.scapy_tun_spi = p.scapy_tun_spi + ii
+ p.vpp_tun_sa_id = p.vpp_tun_sa_id + ii
+ p.vpp_tun_spi = p.vpp_tun_spi + ii
+
+ p.scapy_tra_sa_id = p.scapy_tra_sa_id + ii
+ p.scapy_tra_spi = p.scapy_tra_spi + ii
+ p.vpp_tra_sa_id = p.vpp_tra_sa_id + ii
+ p.vpp_tra_spi = p.vpp_tra_spi + ii
+ p.tun_sa_out = VppIpsecSA(self, p.scapy_tun_sa_id, p.scapy_tun_spi,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.crypt_algo_vpp_id, p.crypt_key,
+ self.vpp_esp_protocol)
+ p.tun_sa_out.add_vpp_config()
+
+ p.tun_sa_in = VppIpsecSA(self, p.vpp_tun_sa_id, p.vpp_tun_spi,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.crypt_algo_vpp_id, p.crypt_key,
+ self.vpp_esp_protocol)
+ p.tun_sa_in.add_vpp_config()
+
+ p.tun_protect = VppIpsecTunProtect(
+ self,
+ p.tun_if,
+ p.tun_sa_out,
+ [p.tun_sa_in],
+ nh=p.tun_if.remote_hosts[ii].ip4)
+ p.tun_protect.add_vpp_config()
+ config_tra_params(p, self.encryption_type, p.tun_if)
+ self.multi_params.append(p)
+
+ VppIpRoute(self, p.remote_tun_if_host, 32,
+ [VppRoutePath(p.tun_if.remote_hosts[ii].ip4,
+ p.tun_if.sw_if_index)]).add_vpp_config()
+
+ # in this v4 variant add the teibs after the protect
+ p.teib = VppTeib(self, p.tun_if,
+ p.tun_if.remote_hosts[ii].ip4,
+ self.pg0.remote_hosts[ii].ip4).add_vpp_config()
+ p.tun_dst = self.pg0.remote_hosts[ii].ip4
+ self.logger.info(self.vapi.cli("sh ipsec protect-hash"))
+
+ def tearDown(self):
+ p = self.ipv4_params
+ p.tun_if.unconfig_ip4()
+ super(TestIpsecMGreIfEspTra4, self).tearDown()
+
+ def test_tun_44(self):
+ """mGRE IPSEC 44"""
+ N_PKTS = 63
+ for p in self.multi_params:
+ self.verify_tun_44(p, count=N_PKTS)
+ p.teib.remove_vpp_config()
+ self.verify_tun_dropped_44(p, count=N_PKTS)
+ p.teib.add_vpp_config()
+ self.verify_tun_44(p, count=N_PKTS)
+
+
+class TestIpsecMGreIfEspTra6(TemplateIpsec, IpsecTun6):
+ """ Ipsec mGRE ESP v6 TRA tests """
+ tun6_encrypt_node_name = "esp6-encrypt-tun"
+ tun6_decrypt_node_name = "esp6-decrypt-tun"
+ encryption_type = ESP
+
+ def gen_encrypt_pkts6(self, p, sa, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ sa.encrypt(IPv6(src=p.tun_dst,
+ dst=self.pg0.local_ip6) /
+ GRE() /
+ IPv6(src=self.pg1.local_ip6,
+ dst=self.pg1.remote_ip6) /
+ UDP(sport=1144, dport=2233) /
+ Raw(b'X' * payload_size))
+ for i in range(count)]
+
+ def gen_pkts6(self, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ IPv6(src="1::1", dst=dst) /
+ UDP(sport=1144, dport=2233) /
+ Raw(b'X' * payload_size)
+ for i in range(count)]
+
+ def verify_decrypted6(self, p, rxs):
+ for rx in rxs:
+ self.assert_equal(rx[Ether].dst, self.pg1.remote_mac)
+ self.assert_equal(rx[IPv6].dst, self.pg1.remote_ip6)
+
+ def verify_encrypted6(self, p, sa, rxs):
+ for rx in rxs:
+ try:
+ pkt = sa.decrypt(rx[IPv6])
+ if not pkt.haslayer(IPv6):
+ pkt = IPv6(pkt[Raw].load)
+ self.assert_packet_checksums_valid(pkt)
+ self.assertTrue(pkt.haslayer(GRE))
+ e = pkt[GRE]
+ self.assertEqual(e[IPv6].dst, p.remote_tun_if_host)
+ except (IndexError, AssertionError):
+ self.logger.debug(ppp("Unexpected packet:", rx))
+ try:
+ self.logger.debug(ppp("Decrypted packet:", pkt))
+ except:
+ pass
+ raise
+
+ def setUp(self):
+ super(TestIpsecMGreIfEspTra6, self).setUp()
+
+ self.vapi.cli("set logging class ipsec level debug")
+
+ N_NHS = 16
+ self.tun_if = self.pg0
+ p = self.ipv6_params
+ p.tun_if = VppGreInterface(self,
+ self.pg0.local_ip6,
+ "::",
+ mode=(VppEnum.vl_api_tunnel_mode_t.
+ TUNNEL_API_MODE_MP))
+ p.tun_if.add_vpp_config()
+ p.tun_if.admin_up()
+ p.tun_if.config_ip6()
+ p.tun_if.generate_remote_hosts(N_NHS)
+ self.pg0.generate_remote_hosts(N_NHS)
+ self.pg0.configure_ipv6_neighbors()
+
+ # setup some SAs for several next-hops on the interface
+ self.multi_params = []
+
+ for ii in range(N_NHS):
+ p = copy.copy(self.ipv6_params)
+
+ p.remote_tun_if_host = "1::%d" % (ii + 1)
+ p.scapy_tun_sa_id = p.scapy_tun_sa_id + ii
+ p.scapy_tun_spi = p.scapy_tun_spi + ii
+ p.vpp_tun_sa_id = p.vpp_tun_sa_id + ii
+ p.vpp_tun_spi = p.vpp_tun_spi + ii
+
+ p.scapy_tra_sa_id = p.scapy_tra_sa_id + ii
+ p.scapy_tra_spi = p.scapy_tra_spi + ii
+ p.vpp_tra_sa_id = p.vpp_tra_sa_id + ii
+ p.vpp_tra_spi = p.vpp_tra_spi + ii
+ p.tun_sa_out = VppIpsecSA(self, p.scapy_tun_sa_id, p.scapy_tun_spi,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.crypt_algo_vpp_id, p.crypt_key,
+ self.vpp_esp_protocol)
+ p.tun_sa_out.add_vpp_config()
+
+ p.tun_sa_in = VppIpsecSA(self, p.vpp_tun_sa_id, p.vpp_tun_spi,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.crypt_algo_vpp_id, p.crypt_key,
+ self.vpp_esp_protocol)
+ p.tun_sa_in.add_vpp_config()
+
+ # in this v6 variant add the teibs first then the protection
+ p.tun_dst = self.pg0.remote_hosts[ii].ip6
+ VppTeib(self, p.tun_if,
+ p.tun_if.remote_hosts[ii].ip6,
+ p.tun_dst).add_vpp_config()
+
+ p.tun_protect = VppIpsecTunProtect(
+ self,
+ p.tun_if,
+ p.tun_sa_out,
+ [p.tun_sa_in],
+ nh=p.tun_if.remote_hosts[ii].ip6)
+ p.tun_protect.add_vpp_config()
+ config_tra_params(p, self.encryption_type, p.tun_if)
+ self.multi_params.append(p)
+
+ VppIpRoute(self, p.remote_tun_if_host, 128,
+ [VppRoutePath(p.tun_if.remote_hosts[ii].ip6,
+ p.tun_if.sw_if_index)]).add_vpp_config()
+ p.tun_dst = self.pg0.remote_hosts[ii].ip6
+
+ self.logger.info(self.vapi.cli("sh log"))
+ self.logger.info(self.vapi.cli("sh ipsec protect-hash"))
+ self.logger.info(self.vapi.cli("sh adj 41"))
+
+ def tearDown(self):
+ p = self.ipv6_params
+ p.tun_if.unconfig_ip6()
+ super(TestIpsecMGreIfEspTra6, self).tearDown()
+
+ def test_tun_66(self):
+ """mGRE IPSec 66"""
+ for p in self.multi_params:
+ self.verify_tun_66(p, count=63)
+
+
+class TestIpsec4TunProtect(TemplateIpsec,
+ TemplateIpsec4TunProtect,
+ IpsecTun4):
+ """ IPsec IPv4 Tunnel protect - transport mode"""
+
+ def setUp(self):
+ super(TestIpsec4TunProtect, self).setUp()
+
+ self.tun_if = self.pg0
+
+ def tearDown(self):
+ super(TestIpsec4TunProtect, self).tearDown()
+
+ def test_tun_44(self):
+ """IPSEC tunnel protect"""
+
+ p = self.ipv4_params
+
+ self.config_network(p)
+ self.config_sa_tra(p)
+ self.config_protect(p)
+
+ self.verify_tun_44(p, count=127)
+ c = p.tun_if.get_rx_stats()
+ self.assertEqual(c['packets'], 127)
+ c = p.tun_if.get_tx_stats()
+ self.assertEqual(c['packets'], 127)
+
+ self.vapi.cli("clear ipsec sa")
+ self.verify_tun_64(p, count=127)
+ c = p.tun_if.get_rx_stats()
+ self.assertEqual(c['packets'], 254)
+ c = p.tun_if.get_tx_stats()
+ self.assertEqual(c['packets'], 254)
+
+ # rekey - create new SAs and update the tunnel protection
+ np = copy.copy(p)
+ np.crypt_key = b'X' + p.crypt_key[1:]
+ np.scapy_tun_spi += 100
+ np.scapy_tun_sa_id += 1
+ np.vpp_tun_spi += 100
+ np.vpp_tun_sa_id += 1
+ np.tun_if.local_spi = p.vpp_tun_spi
+ np.tun_if.remote_spi = p.scapy_tun_spi
+
+ self.config_sa_tra(np)
+ self.config_protect(np)
+ self.unconfig_sa(p)
+
+ self.verify_tun_44(np, count=127)
+ c = p.tun_if.get_rx_stats()
+ self.assertEqual(c['packets'], 381)
+ c = p.tun_if.get_tx_stats()
+ self.assertEqual(c['packets'], 381)
+
+ # teardown
+ self.unconfig_protect(np)
+ self.unconfig_sa(np)
+ self.unconfig_network(p)
+
+
+class TestIpsec4TunProtectUdp(TemplateIpsec,
+ TemplateIpsec4TunProtect,
+ IpsecTun4):
+ """ IPsec IPv4 Tunnel protect - transport mode"""
+
+ def setUp(self):
+ super(TestIpsec4TunProtectUdp, self).setUp()
+
+ self.tun_if = self.pg0
+
+ p = self.ipv4_params
+ p.flags = (VppEnum.vl_api_ipsec_sad_flags_t.
+ IPSEC_API_SAD_FLAG_UDP_ENCAP)
+ p.nat_header = UDP(sport=4500, dport=4500)
+ self.config_network(p)
+ self.config_sa_tra(p)
+ self.config_protect(p)
+
+ def tearDown(self):
+ p = self.ipv4_params
+ self.unconfig_protect(p)
+ self.unconfig_sa(p)
+ self.unconfig_network(p)
+ super(TestIpsec4TunProtectUdp, self).tearDown()
+
+ def verify_encrypted(self, p, sa, rxs):
+ # ensure encrypted packets are recieved with the default UDP ports
+ for rx in rxs:
+ self.assertEqual(rx[UDP].sport, 4500)
+ self.assertEqual(rx[UDP].dport, 4500)
+ super(TestIpsec4TunProtectUdp, self).verify_encrypted(p, sa, rxs)
+
+ def test_tun_44(self):
+ """IPSEC UDP tunnel protect"""
+
+ p = self.ipv4_params
+
+ self.verify_tun_44(p, count=127)
+ c = p.tun_if.get_rx_stats()
+ self.assertEqual(c['packets'], 127)
+ c = p.tun_if.get_tx_stats()
+ self.assertEqual(c['packets'], 127)
+
+ def test_keepalive(self):
+ """ IPSEC NAT Keepalive """
+ self.verify_keepalive(self.ipv4_params)
+
+
+class TestIpsec4TunProtectTun(TemplateIpsec,
+ TemplateIpsec4TunProtect,
+ IpsecTun4):
+ """ IPsec IPv4 Tunnel protect - tunnel mode"""
+
+ encryption_type = ESP
+ tun4_encrypt_node_name = "esp4-encrypt-tun"
+ tun4_decrypt_node_name = "esp4-decrypt-tun"
+
+ def setUp(self):
+ super(TestIpsec4TunProtectTun, self).setUp()
+
+ self.tun_if = self.pg0
+
+ def tearDown(self):
+ super(TestIpsec4TunProtectTun, self).tearDown()
+
+ def gen_encrypt_pkts(self, p, sa, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ sa.encrypt(IP(src=sw_intf.remote_ip4,
+ dst=sw_intf.local_ip4) /
+ IP(src=src, dst=dst) /
+ UDP(sport=1144, dport=2233) /
+ Raw(b'X' * payload_size))
+ for i in range(count)]
+
+ def gen_pkts(self, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ IP(src=src, dst=dst) /
+ UDP(sport=1144, dport=2233) /
+ Raw(b'X' * payload_size)
+ for i in range(count)]
+
+ def verify_decrypted(self, p, rxs):
+ for rx in rxs:
+ self.assert_equal(rx[IP].dst, self.pg1.remote_ip4)
+ self.assert_equal(rx[IP].src, p.remote_tun_if_host)
+ self.assert_packet_checksums_valid(rx)
+
+ def verify_encrypted(self, p, sa, rxs):
+ for rx in rxs:
+ try:
+ pkt = sa.decrypt(rx[IP])
+ if not pkt.haslayer(IP):
+ pkt = IP(pkt[Raw].load)
+ self.assert_packet_checksums_valid(pkt)
+ self.assert_equal(pkt[IP].dst, self.pg0.remote_ip4)
+ self.assert_equal(pkt[IP].src, self.pg0.local_ip4)
+ inner = pkt[IP].payload
+ self.assertEqual(inner[IP][IP].dst, p.remote_tun_if_host)
+
+ except (IndexError, AssertionError):
+ self.logger.debug(ppp("Unexpected packet:", rx))
+ try:
+ self.logger.debug(ppp("Decrypted packet:", pkt))
+ except:
+ pass
+ raise
+
+ def test_tun_44(self):
+ """IPSEC tunnel protect """
+
+ p = self.ipv4_params
+
+ self.config_network(p)
+ self.config_sa_tun(p)
+ self.config_protect(p)
+
+ # also add an output features on the tunnel and physical interface
+ # so we test they still work
+ r_all = AclRule(True,
+ src_prefix="0.0.0.0/0",
+ dst_prefix="0.0.0.0/0",
+ proto=0)
+ a = VppAcl(self, [r_all]).add_vpp_config()
+
+ VppAclInterface(self, self.pg0.sw_if_index, [a]).add_vpp_config()
+ VppAclInterface(self, p.tun_if.sw_if_index, [a]).add_vpp_config()
+
+ self.verify_tun_44(p, count=127)
+
+ c = p.tun_if.get_rx_stats()
+ self.assertEqual(c['packets'], 127)
+ c = p.tun_if.get_tx_stats()
+ self.assertEqual(c['packets'], 127)
+
+ # rekey - create new SAs and update the tunnel protection
+ np = copy.copy(p)
+ np.crypt_key = b'X' + p.crypt_key[1:]
+ np.scapy_tun_spi += 100
+ np.scapy_tun_sa_id += 1
+ np.vpp_tun_spi += 100
+ np.vpp_tun_sa_id += 1
+ np.tun_if.local_spi = p.vpp_tun_spi
+ np.tun_if.remote_spi = p.scapy_tun_spi
+
+ self.config_sa_tun(np)
+ self.config_protect(np)
+ self.unconfig_sa(p)
+
+ self.verify_tun_44(np, count=127)
+ c = p.tun_if.get_rx_stats()
+ self.assertEqual(c['packets'], 254)
+ c = p.tun_if.get_tx_stats()
+ self.assertEqual(c['packets'], 254)
+
+ # teardown
+ self.unconfig_protect(np)
+ self.unconfig_sa(np)
+ self.unconfig_network(p)
+
+
+class TestIpsec4TunProtectTunDrop(TemplateIpsec,
+ TemplateIpsec4TunProtect,
+ IpsecTun4):
+ """ IPsec IPv4 Tunnel protect - tunnel mode - drop"""
+
+ encryption_type = ESP
+ tun4_encrypt_node_name = "esp4-encrypt-tun"
+ tun4_decrypt_node_name = "esp4-decrypt-tun"
+
+ def setUp(self):
+ super(TestIpsec4TunProtectTunDrop, self).setUp()
+
+ self.tun_if = self.pg0
+
+ def tearDown(self):
+ super(TestIpsec4TunProtectTunDrop, self).tearDown()
+
+ def gen_encrypt_pkts(self, p, sa, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ sa.encrypt(IP(src=sw_intf.remote_ip4,
+ dst="5.5.5.5") /
+ IP(src=src, dst=dst) /
+ UDP(sport=1144, dport=2233) /
+ Raw(b'X' * payload_size))
+ for i in range(count)]
+
+ def test_tun_drop_44(self):
+ """IPSEC tunnel protect bogus tunnel header """
+
+ p = self.ipv4_params
+
+ self.config_network(p)
+ self.config_sa_tun(p)
+ self.config_protect(p)
+
+ tx = self.gen_encrypt_pkts(p, p.scapy_tun_sa, self.tun_if,
+ src=p.remote_tun_if_host,
+ dst=self.pg1.remote_ip4,
+ count=63)
+ self.send_and_assert_no_replies(self.tun_if, tx)
+
+ # teardown
+ self.unconfig_protect(p)
+ self.unconfig_sa(p)
+ self.unconfig_network(p)
+
+
+class TestIpsec6TunProtect(TemplateIpsec,
+ TemplateIpsec6TunProtect,
+ IpsecTun6):
+ """ IPsec IPv6 Tunnel protect - transport mode"""
+
+ encryption_type = ESP
+ tun6_encrypt_node_name = "esp6-encrypt-tun"
+ tun6_decrypt_node_name = "esp6-decrypt-tun"
+
+ def setUp(self):
+ super(TestIpsec6TunProtect, self).setUp()
+
+ self.tun_if = self.pg0
+
+ def tearDown(self):
+ super(TestIpsec6TunProtect, self).tearDown()
+
+ def test_tun_66(self):
+ """IPSEC tunnel protect 6o6"""
+
+ p = self.ipv6_params
+
+ self.config_network(p)
+ self.config_sa_tra(p)
+ self.config_protect(p)
+
+ self.verify_tun_66(p, count=127)
+ c = p.tun_if.get_rx_stats()
+ self.assertEqual(c['packets'], 127)
+ c = p.tun_if.get_tx_stats()
+ self.assertEqual(c['packets'], 127)
+
+ # rekey - create new SAs and update the tunnel protection
+ np = copy.copy(p)
+ np.crypt_key = b'X' + p.crypt_key[1:]
+ np.scapy_tun_spi += 100
+ np.scapy_tun_sa_id += 1
+ np.vpp_tun_spi += 100
+ np.vpp_tun_sa_id += 1
+ np.tun_if.local_spi = p.vpp_tun_spi
+ np.tun_if.remote_spi = p.scapy_tun_spi
+
+ self.config_sa_tra(np)
+ self.config_protect(np)
+ self.unconfig_sa(p)
+
+ self.verify_tun_66(np, count=127)
+ c = p.tun_if.get_rx_stats()
+ self.assertEqual(c['packets'], 254)
+ c = p.tun_if.get_tx_stats()
+ self.assertEqual(c['packets'], 254)
+
+ # bounce the interface state
+ p.tun_if.admin_down()
+ self.verify_drop_tun_66(np, count=127)
+ node = ('/err/ipsec6-tun-input/%s' %
+ 'ipsec packets received on disabled interface')
+ self.assertEqual(127, self.statistics.get_err_counter(node))
+ p.tun_if.admin_up()
+ self.verify_tun_66(np, count=127)
+
+ # 3 phase rekey
+ # 1) add two input SAs [old, new]
+ # 2) swap output SA to [new]
+ # 3) use only [new] input SA
+ np3 = copy.copy(np)
+ np3.crypt_key = b'Z' + p.crypt_key[1:]
+ np3.scapy_tun_spi += 100
+ np3.scapy_tun_sa_id += 1
+ np3.vpp_tun_spi += 100
+ np3.vpp_tun_sa_id += 1
+ np3.tun_if.local_spi = p.vpp_tun_spi
+ np3.tun_if.remote_spi = p.scapy_tun_spi
+
+ self.config_sa_tra(np3)
+
+ # step 1;
+ p.tun_protect.update_vpp_config(np.tun_sa_out,
+ [np.tun_sa_in, np3.tun_sa_in])
+ self.verify_tun_66(np, np, count=127)
+ self.verify_tun_66(np3, np, count=127)
+
+ # step 2;
+ p.tun_protect.update_vpp_config(np3.tun_sa_out,
+ [np.tun_sa_in, np3.tun_sa_in])
+ self.verify_tun_66(np, np3, count=127)
+ self.verify_tun_66(np3, np3, count=127)
+
+ # step 1;
+ p.tun_protect.update_vpp_config(np3.tun_sa_out,
+ [np3.tun_sa_in])
+ self.verify_tun_66(np3, np3, count=127)
+ self.verify_drop_tun_66(np, count=127)
+
+ c = p.tun_if.get_rx_stats()
+ self.assertEqual(c['packets'], 127*9)
+ c = p.tun_if.get_tx_stats()
+ self.assertEqual(c['packets'], 127*8)
+ self.unconfig_sa(np)
+
+ # teardown
+ self.unconfig_protect(np3)
+ self.unconfig_sa(np3)
+ self.unconfig_network(p)
+
+ def test_tun_46(self):
+ """IPSEC tunnel protect 4o6"""
+
+ p = self.ipv6_params
+
+ self.config_network(p)
+ self.config_sa_tra(p)
+ self.config_protect(p)
+
+ self.verify_tun_46(p, count=127)
+ c = p.tun_if.get_rx_stats()
+ self.assertEqual(c['packets'], 127)
+ c = p.tun_if.get_tx_stats()
+ self.assertEqual(c['packets'], 127)
+
+ # teardown
+ self.unconfig_protect(p)
+ self.unconfig_sa(p)
+ self.unconfig_network(p)
+
+
+class TestIpsec6TunProtectTun(TemplateIpsec,
+ TemplateIpsec6TunProtect,
+ IpsecTun6):
+ """ IPsec IPv6 Tunnel protect - tunnel mode"""
+
+ encryption_type = ESP
+ tun6_encrypt_node_name = "esp6-encrypt-tun"
+ tun6_decrypt_node_name = "esp6-decrypt-tun"
+
+ def setUp(self):
+ super(TestIpsec6TunProtectTun, self).setUp()
+
+ self.tun_if = self.pg0
+
+ def tearDown(self):
+ super(TestIpsec6TunProtectTun, self).tearDown()
+
+ def gen_encrypt_pkts6(self, p, sa, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ sa.encrypt(IPv6(src=sw_intf.remote_ip6,
+ dst=sw_intf.local_ip6) /
+ IPv6(src=src, dst=dst) /
+ UDP(sport=1166, dport=2233) /
+ Raw(b'X' * payload_size))
+ for i in range(count)]
+
+ def gen_pkts6(self, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ IPv6(src=src, dst=dst) /
+ UDP(sport=1166, dport=2233) /
+ Raw(b'X' * payload_size)
+ for i in range(count)]
+
+ def verify_decrypted6(self, p, rxs):
+ for rx in rxs:
+ self.assert_equal(rx[IPv6].dst, self.pg1.remote_ip6)
+ self.assert_equal(rx[IPv6].src, p.remote_tun_if_host)
+ self.assert_packet_checksums_valid(rx)
+
+ def verify_encrypted6(self, p, sa, rxs):
+ for rx in rxs:
+ try:
+ pkt = sa.decrypt(rx[IPv6])
+ if not pkt.haslayer(IPv6):
+ pkt = IPv6(pkt[Raw].load)
+ self.assert_packet_checksums_valid(pkt)
+ self.assert_equal(pkt[IPv6].dst, self.pg0.remote_ip6)
+ self.assert_equal(pkt[IPv6].src, self.pg0.local_ip6)
+ inner = pkt[IPv6].payload
+ self.assertEqual(inner[IPv6][IPv6].dst, p.remote_tun_if_host)
+
+ except (IndexError, AssertionError):
+ self.logger.debug(ppp("Unexpected packet:", rx))
+ try:
+ self.logger.debug(ppp("Decrypted packet:", pkt))
+ except:
+ pass
+ raise
+
+ def test_tun_66(self):
+ """IPSEC tunnel protect """
+
+ p = self.ipv6_params
+
+ self.config_network(p)
+ self.config_sa_tun(p)
+ self.config_protect(p)
+
+ self.verify_tun_66(p, count=127)
+
+ c = p.tun_if.get_rx_stats()
+ self.assertEqual(c['packets'], 127)
+ c = p.tun_if.get_tx_stats()
+ self.assertEqual(c['packets'], 127)
+
+ # rekey - create new SAs and update the tunnel protection
+ np = copy.copy(p)
+ np.crypt_key = b'X' + p.crypt_key[1:]
+ np.scapy_tun_spi += 100
+ np.scapy_tun_sa_id += 1
+ np.vpp_tun_spi += 100
+ np.vpp_tun_sa_id += 1
+ np.tun_if.local_spi = p.vpp_tun_spi
+ np.tun_if.remote_spi = p.scapy_tun_spi
+
+ self.config_sa_tun(np)
+ self.config_protect(np)
+ self.unconfig_sa(p)
+
+ self.verify_tun_66(np, count=127)
+ c = p.tun_if.get_rx_stats()
+ self.assertEqual(c['packets'], 254)
+ c = p.tun_if.get_tx_stats()
+ self.assertEqual(c['packets'], 254)
+
+ # teardown
+ self.unconfig_protect(np)
+ self.unconfig_sa(np)
+ self.unconfig_network(p)
+
+
+class TestIpsec6TunProtectTunDrop(TemplateIpsec,
+ TemplateIpsec6TunProtect,
+ IpsecTun6):
+ """ IPsec IPv6 Tunnel protect - tunnel mode - drop"""
+
+ encryption_type = ESP
+ tun6_encrypt_node_name = "esp6-encrypt-tun"
+ tun6_decrypt_node_name = "esp6-decrypt-tun"
+
+ def setUp(self):
+ super(TestIpsec6TunProtectTunDrop, self).setUp()
+
+ self.tun_if = self.pg0
+
+ def tearDown(self):
+ super(TestIpsec6TunProtectTunDrop, self).tearDown()
+
+ def gen_encrypt_pkts6(self, p, sa, sw_intf, src, dst, count=1,
+ payload_size=100):
+ # the IP destination of the revelaed packet does not match
+ # that assigned to the tunnel
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ sa.encrypt(IPv6(src=sw_intf.remote_ip6,
+ dst="5::5") /
+ IPv6(src=src, dst=dst) /
+ UDP(sport=1144, dport=2233) /
+ Raw(b'X' * payload_size))
+ for i in range(count)]
+
+ def test_tun_drop_66(self):
+ """IPSEC 6 tunnel protect bogus tunnel header """
+
+ p = self.ipv6_params
+
+ self.config_network(p)
+ self.config_sa_tun(p)
+ self.config_protect(p)
+
+ tx = self.gen_encrypt_pkts6(p, p.scapy_tun_sa, self.tun_if,
+ src=p.remote_tun_if_host,
+ dst=self.pg1.remote_ip6,
+ count=63)
+ self.send_and_assert_no_replies(self.tun_if, tx)
+
+ self.unconfig_protect(p)
+ self.unconfig_sa(p)
+ self.unconfig_network(p)
+
+
+class TemplateIpsecItf4(object):
+ """ IPsec Interface IPv4 """
+
+ encryption_type = ESP
+ tun4_encrypt_node_name = "esp4-encrypt-tun"
+ tun4_decrypt_node_name = "esp4-decrypt-tun"
+ tun4_input_node = "ipsec4-tun-input"
+
+ def config_sa_tun(self, p, src, dst):
+ config_tun_params(p, self.encryption_type, None, src, dst)
+
+ p.tun_sa_out = VppIpsecSA(self, p.scapy_tun_sa_id, p.scapy_tun_spi,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.crypt_algo_vpp_id, p.crypt_key,
+ self.vpp_esp_protocol,
+ src, dst,
+ flags=p.flags)
+ p.tun_sa_out.add_vpp_config()
+
+ p.tun_sa_in = VppIpsecSA(self, p.vpp_tun_sa_id, p.vpp_tun_spi,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.crypt_algo_vpp_id, p.crypt_key,
+ self.vpp_esp_protocol,
+ dst, src,
+ flags=p.flags)
+ p.tun_sa_in.add_vpp_config()
+
+ def config_protect(self, p):
+ p.tun_protect = VppIpsecTunProtect(self,
+ p.tun_if,
+ p.tun_sa_out,
+ [p.tun_sa_in])
+ p.tun_protect.add_vpp_config()
+
+ def config_network(self, p, instance=0xffffffff):
+ p.tun_if = VppIpsecInterface(self, instance=instance)
+
+ p.tun_if.add_vpp_config()
+ p.tun_if.admin_up()
+ p.tun_if.config_ip4()
+ p.tun_if.config_ip6()
+
+ p.route = VppIpRoute(self, p.remote_tun_if_host, 32,
+ [VppRoutePath(p.tun_if.remote_ip4,
+ 0xffffffff)])
+ p.route.add_vpp_config()
+ r = VppIpRoute(self, p.remote_tun_if_host6, 128,
+ [VppRoutePath(p.tun_if.remote_ip6,
+ 0xffffffff,
+ proto=DpoProto.DPO_PROTO_IP6)])
+ r.add_vpp_config()
+
+ def unconfig_network(self, p):
+ p.route.remove_vpp_config()
+ p.tun_if.remove_vpp_config()
+
+ def unconfig_protect(self, p):
+ p.tun_protect.remove_vpp_config()
+
+ def unconfig_sa(self, p):
+ p.tun_sa_out.remove_vpp_config()
+ p.tun_sa_in.remove_vpp_config()
+
+
+class TestIpsecItf4(TemplateIpsec,
+ TemplateIpsecItf4,
+ IpsecTun4):
+ """ IPsec Interface IPv4 """
+
+ def setUp(self):
+ super(TestIpsecItf4, self).setUp()
+
+ self.tun_if = self.pg0
+
+ def tearDown(self):
+ super(TestIpsecItf4, self).tearDown()
+
+ def test_tun_instance_44(self):
+ p = self.ipv4_params
+ self.config_network(p, instance=3)
+
+ with self.assertRaises(CliFailedCommandError):
+ self.vapi.cli("show interface ipsec0")
+
+ output = self.vapi.cli("show interface ipsec3")
+ self.assertTrue("unknown" not in output)
+
+ self.unconfig_network(p)
+
+ def test_tun_44(self):
+ """IPSEC interface IPv4"""
+
+ n_pkts = 127
+ p = self.ipv4_params
+
+ self.config_network(p)
+ self.config_sa_tun(p,
+ self.pg0.local_ip4,
+ self.pg0.remote_ip4)
+ self.config_protect(p)
+
+ self.verify_tun_44(p, count=n_pkts)
+ c = p.tun_if.get_rx_stats()
+ self.assertEqual(c['packets'], n_pkts)
+ c = p.tun_if.get_tx_stats()
+ self.assertEqual(c['packets'], n_pkts)
+
+ p.tun_if.admin_down()
+ self.verify_tun_dropped_44(p, count=n_pkts)
+ p.tun_if.admin_up()
+ self.verify_tun_44(p, count=n_pkts)
+
+ c = p.tun_if.get_rx_stats()
+ self.assertEqual(c['packets'], 3*n_pkts)
+ c = p.tun_if.get_tx_stats()
+ self.assertEqual(c['packets'], 2*n_pkts)
+
+ # it's a v6 packet when its encrypted
+ self.tun4_encrypt_node_name = "esp6-encrypt-tun"
+
+ self.verify_tun_64(p, count=n_pkts)
+ c = p.tun_if.get_rx_stats()
+ self.assertEqual(c['packets'], 4*n_pkts)
+ c = p.tun_if.get_tx_stats()
+ self.assertEqual(c['packets'], 3*n_pkts)
+
+ self.tun4_encrypt_node_name = "esp4-encrypt-tun"
+
+ self.vapi.cli("clear interfaces")
+
+ # rekey - create new SAs and update the tunnel protection
+ np = copy.copy(p)
+ np.crypt_key = b'X' + p.crypt_key[1:]
+ np.scapy_tun_spi += 100
+ np.scapy_tun_sa_id += 1
+ np.vpp_tun_spi += 100
+ np.vpp_tun_sa_id += 1
+ np.tun_if.local_spi = p.vpp_tun_spi
+ np.tun_if.remote_spi = p.scapy_tun_spi
+
+ self.config_sa_tun(np,
+ self.pg0.local_ip4,
+ self.pg0.remote_ip4)
+ self.config_protect(np)
+ self.unconfig_sa(p)
+
+ self.verify_tun_44(np, count=n_pkts)
+ c = p.tun_if.get_rx_stats()
+ self.assertEqual(c['packets'], n_pkts)
+ c = p.tun_if.get_tx_stats()
+ self.assertEqual(c['packets'], n_pkts)
+
+ # teardown
+ self.unconfig_protect(np)
+ self.unconfig_sa(np)
+ self.unconfig_network(p)
+
+ def test_tun_44_null(self):
+ """IPSEC interface IPv4 NULL auth/crypto"""
+
+ n_pkts = 127
+ p = copy.copy(self.ipv4_params)
+
+ p.auth_algo_vpp_id = (VppEnum.vl_api_ipsec_integ_alg_t.
+ IPSEC_API_INTEG_ALG_NONE)
+ p.crypt_algo_vpp_id = (VppEnum.vl_api_ipsec_crypto_alg_t.
+ IPSEC_API_CRYPTO_ALG_NONE)
+ p.crypt_algo = "NULL"
+ p.auth_algo = "NULL"
+
+ self.config_network(p)
+ self.config_sa_tun(p,
+ self.pg0.local_ip4,
+ self.pg0.remote_ip4)
+ self.config_protect(p)
+
+ self.verify_tun_44(p, count=n_pkts)
+
+ # teardown
+ self.unconfig_protect(p)
+ self.unconfig_sa(p)
+ self.unconfig_network(p)
+
+
+class TestIpsecItf4MPLS(TemplateIpsec,
+ TemplateIpsecItf4,
+ IpsecTun4):
+ """ IPsec Interface MPLSoIPv4 """
+
+ tun4_encrypt_node_name = "esp-mpls-encrypt-tun"
+
+ def setUp(self):
+ super(TestIpsecItf4MPLS, self).setUp()
+
+ self.tun_if = self.pg0
+
+ def tearDown(self):
+ super(TestIpsecItf4MPLS, self).tearDown()
+
+ def gen_encrypt_pkts(self, p, sa, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ sa.encrypt(MPLS(label=44, ttl=3) /
+ IP(src=src, dst=dst) /
+ UDP(sport=1166, dport=2233) /
+ Raw(b'X' * payload_size))
+ for i in range(count)]
+
+ def verify_encrypted(self, p, sa, rxs):
+ for rx in rxs:
+ try:
+ pkt = sa.decrypt(rx[IP])
+ if not pkt.haslayer(IP):
+ pkt = IP(pkt[Raw].load)
+ self.assert_packet_checksums_valid(pkt)
+ self.assert_equal(pkt[MPLS].label, 44)
+ self.assert_equal(pkt[IP].dst, p.remote_tun_if_host)
+ except (IndexError, AssertionError):
+ self.logger.debug(ppp("Unexpected packet:", rx))
+ try:
+ self.logger.debug(ppp("Decrypted packet:", pkt))
+ except:
+ pass
+ raise
+
+ def test_tun_mpls_o_ip4(self):
+ """IPSEC interface MPLS over IPv4"""
+
+ n_pkts = 127
+ p = self.ipv4_params
+ f = FibPathProto
+
+ tbl = VppMplsTable(self, 0)
+ tbl.add_vpp_config()
+
+ self.config_network(p)
+ # deag MPLS routes from the tunnel
+ r4 = VppMplsRoute(self, 44, 1,
+ [VppRoutePath(
+ self.pg1.remote_ip4,
+ self.pg1.sw_if_index)]).add_vpp_config()
+ p.route.modify([VppRoutePath(p.tun_if.remote_ip4,
+ p.tun_if.sw_if_index,
+ labels=[VppMplsLabel(44)])])
+ p.tun_if.enable_mpls()
+
+ self.config_sa_tun(p,
+ self.pg0.local_ip4,
+ self.pg0.remote_ip4)
+ self.config_protect(p)
+
+ self.verify_tun_44(p, count=n_pkts)
+
+ # cleanup
+ p.tun_if.disable_mpls()
+ self.unconfig_protect(p)
+ self.unconfig_sa(p)
+ self.unconfig_network(p)
+
+
+class TemplateIpsecItf6(object):
+ """ IPsec Interface IPv6 """
+
+ encryption_type = ESP
+ tun6_encrypt_node_name = "esp6-encrypt-tun"
+ tun6_decrypt_node_name = "esp6-decrypt-tun"
+ tun6_input_node = "ipsec6-tun-input"
+
+ def config_sa_tun(self, p, src, dst):
+ config_tun_params(p, self.encryption_type, None, src, dst)
+
+ p.tun_sa_out = VppIpsecSA(self, p.scapy_tun_sa_id, p.scapy_tun_spi,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.crypt_algo_vpp_id, p.crypt_key,
+ self.vpp_esp_protocol,
+ src, dst,
+ flags=p.flags)
+ p.tun_sa_out.add_vpp_config()
+
+ p.tun_sa_in = VppIpsecSA(self, p.vpp_tun_sa_id, p.vpp_tun_spi,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.crypt_algo_vpp_id, p.crypt_key,
+ self.vpp_esp_protocol,
+ dst, src,
+ flags=p.flags)
+ p.tun_sa_in.add_vpp_config()
+
+ def config_protect(self, p):
+ p.tun_protect = VppIpsecTunProtect(self,
+ p.tun_if,
+ p.tun_sa_out,
+ [p.tun_sa_in])
+ p.tun_protect.add_vpp_config()
+
+ def config_network(self, p):
+ p.tun_if = VppIpsecInterface(self)
+
+ p.tun_if.add_vpp_config()
+ p.tun_if.admin_up()
+ p.tun_if.config_ip4()
+ p.tun_if.config_ip6()
+
+ r = VppIpRoute(self, p.remote_tun_if_host4, 32,
+ [VppRoutePath(p.tun_if.remote_ip4,
+ 0xffffffff)])
+ r.add_vpp_config()
+
+ p.route = VppIpRoute(self, p.remote_tun_if_host, 128,
+ [VppRoutePath(p.tun_if.remote_ip6,
+ 0xffffffff,
+ proto=DpoProto.DPO_PROTO_IP6)])
+ p.route.add_vpp_config()
+
+ def unconfig_network(self, p):
+ p.route.remove_vpp_config()
+ p.tun_if.remove_vpp_config()
+
+ def unconfig_protect(self, p):
+ p.tun_protect.remove_vpp_config()
+
+ def unconfig_sa(self, p):
+ p.tun_sa_out.remove_vpp_config()
+ p.tun_sa_in.remove_vpp_config()
+
+
+class TestIpsecItf6(TemplateIpsec,
+ TemplateIpsecItf6,
+ IpsecTun6):
+ """ IPsec Interface IPv6 """
+
+ def setUp(self):
+ super(TestIpsecItf6, self).setUp()
+
+ self.tun_if = self.pg0
+
+ def tearDown(self):
+ super(TestIpsecItf6, self).tearDown()
+
+ def test_tun_44(self):
+ """IPSEC interface IPv6"""
+
+ n_pkts = 127
+ p = self.ipv6_params
+
+ self.config_network(p)
+ self.config_sa_tun(p,
+ self.pg0.local_ip6,
+ self.pg0.remote_ip6)
+ self.config_protect(p)
+
+ self.verify_tun_66(p, count=n_pkts)
+ c = p.tun_if.get_rx_stats()
+ self.assertEqual(c['packets'], n_pkts)
+ c = p.tun_if.get_tx_stats()
+ self.assertEqual(c['packets'], n_pkts)
+
+ p.tun_if.admin_down()
+ self.verify_drop_tun_66(p, count=n_pkts)
+ p.tun_if.admin_up()
+ self.verify_tun_66(p, count=n_pkts)
+
+ c = p.tun_if.get_rx_stats()
+ self.assertEqual(c['packets'], 3*n_pkts)
+ c = p.tun_if.get_tx_stats()
+ self.assertEqual(c['packets'], 2*n_pkts)
+
+ # it's a v4 packet when its encrypted
+ self.tun6_encrypt_node_name = "esp4-encrypt-tun"
+
+ self.verify_tun_46(p, count=n_pkts)
+ c = p.tun_if.get_rx_stats()
+ self.assertEqual(c['packets'], 4*n_pkts)
+ c = p.tun_if.get_tx_stats()
+ self.assertEqual(c['packets'], 3*n_pkts)
+
+ self.tun6_encrypt_node_name = "esp6-encrypt-tun"
+
+ self.vapi.cli("clear interfaces")
+
+ # rekey - create new SAs and update the tunnel protection
+ np = copy.copy(p)
+ np.crypt_key = b'X' + p.crypt_key[1:]
+ np.scapy_tun_spi += 100
+ np.scapy_tun_sa_id += 1
+ np.vpp_tun_spi += 100
+ np.vpp_tun_sa_id += 1
+ np.tun_if.local_spi = p.vpp_tun_spi
+ np.tun_if.remote_spi = p.scapy_tun_spi
+
+ self.config_sa_tun(np,
+ self.pg0.local_ip6,
+ self.pg0.remote_ip6)
+ self.config_protect(np)
+ self.unconfig_sa(p)
+
+ self.verify_tun_66(np, count=n_pkts)
+ c = p.tun_if.get_rx_stats()
+ self.assertEqual(c['packets'], n_pkts)
+ c = p.tun_if.get_tx_stats()
+ self.assertEqual(c['packets'], n_pkts)
+
+ # teardown
+ self.unconfig_protect(np)
+ self.unconfig_sa(np)
+ self.unconfig_network(p)
+
+
+class TestIpsecMIfEsp4(TemplateIpsec, IpsecTun4):
+ """ Ipsec P2MP ESP v4 tests """
+ tun4_encrypt_node_name = "esp4-encrypt-tun"
+ tun4_decrypt_node_name = "esp4-decrypt-tun"
+ encryption_type = ESP
+
+ def gen_encrypt_pkts(self, p, sa, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ sa.encrypt(IP(src=self.pg1.local_ip4,
+ dst=self.pg1.remote_ip4) /
+ UDP(sport=1144, dport=2233) /
+ Raw(b'X' * payload_size))
+ for i in range(count)]
+
+ def gen_pkts(self, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ IP(src="1.1.1.1", dst=dst) /
+ UDP(sport=1144, dport=2233) /
+ Raw(b'X' * payload_size)
+ for i in range(count)]
+
+ def verify_decrypted(self, p, rxs):
+ for rx in rxs:
+ self.assert_equal(rx[Ether].dst, self.pg1.remote_mac)
+ self.assert_equal(rx[IP].dst, self.pg1.remote_ip4)
+
+ def verify_encrypted(self, p, sa, rxs):
+ for rx in rxs:
+ try:
+ self.assertEqual(rx[IP].tos,
+ VppEnum.vl_api_ip_dscp_t.IP_API_DSCP_EF << 2)
+ pkt = sa.decrypt(rx[IP])
+ if not pkt.haslayer(IP):
+ pkt = IP(pkt[Raw].load)
+ self.assert_packet_checksums_valid(pkt)
+ e = pkt[IP]
+ self.assertEqual(e[IP].dst, p.remote_tun_if_host)
+ except (IndexError, AssertionError):
+ self.logger.debug(ppp("Unexpected packet:", rx))
+ try:
+ self.logger.debug(ppp("Decrypted packet:", pkt))
+ except:
+ pass
+ raise
+
+ def setUp(self):
+ super(TestIpsecMIfEsp4, self).setUp()
+
+ N_NHS = 16
+ self.tun_if = self.pg0
+ p = self.ipv4_params
+ p.tun_if = VppIpsecInterface(self,
+ mode=(VppEnum.vl_api_tunnel_mode_t.
+ TUNNEL_API_MODE_MP))
+ p.tun_if.add_vpp_config()
+ p.tun_if.admin_up()
+ p.tun_if.config_ip4()
+ p.tun_if.unconfig_ip4()
+ p.tun_if.config_ip4()
+ p.tun_if.generate_remote_hosts(N_NHS)
+ self.pg0.generate_remote_hosts(N_NHS)
+ self.pg0.configure_ipv4_neighbors()
+
+ # setup some SAs for several next-hops on the interface
+ self.multi_params = []
+
+ for ii in range(N_NHS):
+ p = copy.copy(self.ipv4_params)
+
+ p.remote_tun_if_host = "1.1.1.%d" % (ii + 1)
+ p.scapy_tun_sa_id = p.scapy_tun_sa_id + ii
+ p.scapy_tun_spi = p.scapy_tun_spi + ii
+ p.vpp_tun_sa_id = p.vpp_tun_sa_id + ii
+ p.vpp_tun_spi = p.vpp_tun_spi + ii
+
+ p.scapy_tra_sa_id = p.scapy_tra_sa_id + ii
+ p.scapy_tra_spi = p.scapy_tra_spi + ii
+ p.vpp_tra_sa_id = p.vpp_tra_sa_id + ii
+ p.vpp_tra_spi = p.vpp_tra_spi + ii
+ p.tun_sa_out = VppIpsecSA(
+ self, p.scapy_tun_sa_id, p.scapy_tun_spi,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.crypt_algo_vpp_id, p.crypt_key,
+ self.vpp_esp_protocol,
+ self.pg0.local_ip4,
+ self.pg0.remote_hosts[ii].ip4,
+ dscp=VppEnum.vl_api_ip_dscp_t.IP_API_DSCP_EF)
+ p.tun_sa_out.add_vpp_config()
+
+ p.tun_sa_in = VppIpsecSA(
+ self, p.vpp_tun_sa_id, p.vpp_tun_spi,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.crypt_algo_vpp_id, p.crypt_key,
+ self.vpp_esp_protocol,
+ self.pg0.remote_hosts[ii].ip4,
+ self.pg0.local_ip4,
+ dscp=VppEnum.vl_api_ip_dscp_t.IP_API_DSCP_EF)
+ p.tun_sa_in.add_vpp_config()
+
+ p.tun_protect = VppIpsecTunProtect(
+ self,
+ p.tun_if,
+ p.tun_sa_out,
+ [p.tun_sa_in],
+ nh=p.tun_if.remote_hosts[ii].ip4)
+ p.tun_protect.add_vpp_config()
+ config_tun_params(p, self.encryption_type, None,
+ self.pg0.local_ip4,
+ self.pg0.remote_hosts[ii].ip4)
+ self.multi_params.append(p)
+
+ VppIpRoute(self, p.remote_tun_if_host, 32,
+ [VppRoutePath(p.tun_if.remote_hosts[ii].ip4,
+ p.tun_if.sw_if_index)]).add_vpp_config()
+
+ p.tun_dst = self.pg0.remote_hosts[ii].ip4
+
+ def tearDown(self):
+ p = self.ipv4_params
+ p.tun_if.unconfig_ip4()
+ super(TestIpsecMIfEsp4, self).tearDown()
+
+ def test_tun_44(self):
+ """P2MP IPSEC 44"""
+ N_PKTS = 63
+ for p in self.multi_params:
+ self.verify_tun_44(p, count=N_PKTS)
+
+
+class TestIpsecItf6MPLS(TemplateIpsec,
+ TemplateIpsecItf6,
+ IpsecTun6):
+ """ IPsec Interface MPLSoIPv6 """
+
+ tun6_encrypt_node_name = "esp-mpls-encrypt-tun"
+
+ def setUp(self):
+ super(TestIpsecItf6MPLS, self).setUp()
+
+ self.tun_if = self.pg0
+
+ def tearDown(self):
+ super(TestIpsecItf6MPLS, self).tearDown()
+
+ def gen_encrypt_pkts6(self, p, sa, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ sa.encrypt(MPLS(label=66, ttl=3) /
+ IPv6(src=src, dst=dst) /
+ UDP(sport=1166, dport=2233) /
+ Raw(b'X' * payload_size))
+ for i in range(count)]
+
+ def verify_encrypted6(self, p, sa, rxs):
+ for rx in rxs:
+ try:
+ pkt = sa.decrypt(rx[IPv6])
+ if not pkt.haslayer(IPv6):
+ pkt = IP(pkt[Raw].load)
+ self.assert_packet_checksums_valid(pkt)
+ self.assert_equal(pkt[MPLS].label, 66)
+ self.assert_equal(pkt[IPv6].dst, p.remote_tun_if_host)
+ except (IndexError, AssertionError):
+ self.logger.debug(ppp("Unexpected packet:", rx))
+ try:
+ self.logger.debug(ppp("Decrypted packet:", pkt))
+ except:
+ pass
+ raise
+
+ def test_tun_mpls_o_ip6(self):
+ """IPSEC interface MPLS over IPv6"""
+
+ n_pkts = 127
+ p = self.ipv6_params
+ f = FibPathProto
+
+ tbl = VppMplsTable(self, 0)
+ tbl.add_vpp_config()
+
+ self.config_network(p)
+ # deag MPLS routes from the tunnel
+ r6 = VppMplsRoute(self, 66, 1,
+ [VppRoutePath(
+ self.pg1.remote_ip6,
+ self.pg1.sw_if_index)],
+ eos_proto=f.FIB_PATH_NH_PROTO_IP6).add_vpp_config()
+ p.route.modify([VppRoutePath(p.tun_if.remote_ip6,
+ p.tun_if.sw_if_index,
+ labels=[VppMplsLabel(66)])])
+ p.tun_if.enable_mpls()
+
+ self.config_sa_tun(p,
+ self.pg0.local_ip6,
+ self.pg0.remote_ip6)
+ self.config_protect(p)
+
+ self.verify_tun_66(p, count=n_pkts)
+
+ # cleanup
+ p.tun_if.disable_mpls()
+ self.unconfig_protect(p)
+ self.unconfig_sa(p)
+ self.unconfig_network(p)
+