X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_ipsec_tun_if_esp.py;h=9da75f0a4aa649f3a59a92c8be64ca0a39d78f35;hb=d9b0c6fbf7aa5bd9af84264105b39c82028a4a29;hp=1b8aca9b45042bf04840124b26dcf928780c11bd;hpb=b54a599f3815954e17b370ffb203cb790b628513;p=vpp.git diff --git a/test/test_ipsec_tun_if_esp.py b/test/test_ipsec_tun_if_esp.py index 1b8aca9b450..9da75f0a4aa 100644 --- a/test/test_ipsec_tun_if_esp.py +++ b/test/test_ipsec_tun_if_esp.py @@ -2,25 +2,256 @@ import unittest import socket import copy -from scapy.layers.ipsec import ESP -from scapy.layers.l2 import Ether, Raw, GRE +from scapy.layers.ipsec import SecurityAssociation, ESP +from scapy.layers.l2 import Ether, GRE, Dot1Q +from scapy.packet import Raw, bind_layers from scapy.layers.inet import IP, UDP from scapy.layers.inet6 import IPv6 -from framework import VppTestRunner, is_skip_aarch64_set, is_platform_aarch64 -from template_ipsec import TemplateIpsec, IpsecTun4Tests, IpsecTun6Tests, \ - IpsecTun4, IpsecTun6, IpsecTcpTests, config_tun_params -from vpp_ipsec_tun_interface import VppIpsecTunInterface +from scapy.contrib.mpls import MPLS +from framework import tag_fixme_vpp_workers +from framework import VppTestRunner +from template_ipsec import ( + TemplateIpsec, + IpsecTun4Tests, + IpsecTun6Tests, + IpsecTun4, + IpsecTun6, + IpsecTcpTests, + mk_scapy_crypt_key, + IpsecTun6HandoffTests, + IpsecTun4HandoffTests, + config_tun_params, +) from vpp_gre_interface import VppGreInterface from vpp_ipip_tun_interface import VppIpIpTunInterface -from vpp_ip_route import VppIpRoute, VppRoutePath, DpoProto -from vpp_ipsec import VppIpsecSA, VppIpsecTunProtect +from vpp_ip_route import ( + VppIpRoute, + VppRoutePath, + DpoProto, + VppMplsLabel, + VppMplsTable, + VppMplsRoute, + FibPathProto, +) +from vpp_ipsec import VppIpsecSA, VppIpsecTunProtect, VppIpsecInterface from vpp_l2 import VppBridgeDomain, VppBridgeDomainPort +from vpp_sub_interface import L2_VTR_OP, VppDot1QSubint +from vpp_teib import VppTeib from util import ppp from vpp_papi import VppEnum +from vpp_papi_provider import CliFailedCommandError +from vpp_acl import AclRule, VppAcl, VppAclInterface +from vpp_policer import PolicerAction, VppPolicer, Dir + + +def config_tun_params(p, encryption_type, tun_if, src=None, dst=None): + ip_class_by_addr_type = {socket.AF_INET: IP, socket.AF_INET6: IPv6} + esn_en = bool( + p.flags & (VppEnum.vl_api_ipsec_sad_flags_t.IPSEC_API_SAD_FLAG_USE_ESN) + ) + crypt_key = mk_scapy_crypt_key(p) + if tun_if: + p.tun_dst = tun_if.remote_ip + p.tun_src = tun_if.local_ip + else: + p.tun_dst = dst + p.tun_src = src + + if p.nat_header: + is_default_port = p.nat_header.dport == 4500 + else: + is_default_port = True + + if is_default_port: + outbound_nat_header = p.nat_header + else: + outbound_nat_header = UDP(sport=p.nat_header.dport, dport=p.nat_header.sport) + bind_layers(UDP, ESP, dport=p.nat_header.dport) + + p.scapy_tun_sa = SecurityAssociation( + encryption_type, + spi=p.vpp_tun_spi, + crypt_algo=p.crypt_algo, + crypt_key=crypt_key, + auth_algo=p.auth_algo, + auth_key=p.auth_key, + tunnel_header=ip_class_by_addr_type[p.addr_type](src=p.tun_dst, dst=p.tun_src), + nat_t_header=outbound_nat_header, + esn_en=esn_en, + ) + p.vpp_tun_sa = SecurityAssociation( + encryption_type, + spi=p.scapy_tun_spi, + crypt_algo=p.crypt_algo, + crypt_key=crypt_key, + auth_algo=p.auth_algo, + auth_key=p.auth_key, + tunnel_header=ip_class_by_addr_type[p.addr_type](dst=p.tun_dst, src=p.tun_src), + nat_t_header=p.nat_header, + esn_en=esn_en, + ) + + +def config_tra_params(p, encryption_type, tun_if): + ip_class_by_addr_type = {socket.AF_INET: IP, socket.AF_INET6: IPv6} + esn_en = bool( + p.flags & (VppEnum.vl_api_ipsec_sad_flags_t.IPSEC_API_SAD_FLAG_USE_ESN) + ) + crypt_key = mk_scapy_crypt_key(p) + p.tun_dst = tun_if.remote_ip + p.tun_src = tun_if.local_ip + + if p.nat_header: + is_default_port = p.nat_header.dport == 4500 + else: + is_default_port = True + + if is_default_port: + outbound_nat_header = p.nat_header + else: + outbound_nat_header = UDP(sport=p.nat_header.dport, dport=p.nat_header.sport) + bind_layers(UDP, ESP, dport=p.nat_header.dport) + + p.scapy_tun_sa = SecurityAssociation( + encryption_type, + spi=p.vpp_tun_spi, + crypt_algo=p.crypt_algo, + crypt_key=crypt_key, + auth_algo=p.auth_algo, + auth_key=p.auth_key, + esn_en=esn_en, + nat_t_header=outbound_nat_header, + ) + p.vpp_tun_sa = SecurityAssociation( + encryption_type, + spi=p.scapy_tun_spi, + crypt_algo=p.crypt_algo, + crypt_key=crypt_key, + auth_algo=p.auth_algo, + auth_key=p.auth_key, + esn_en=esn_en, + nat_t_header=p.nat_header, + ) -class TemplateIpsec4TunIfEsp(TemplateIpsec): - """ IPsec tunnel interface tests """ +class TemplateIpsec4TunProtect(object): + """IPsec IPv4 Tunnel protect""" + + encryption_type = ESP + tun4_encrypt_node_name = "esp4-encrypt-tun" + tun4_decrypt_node_name = ["esp4-decrypt-tun", "esp4-decrypt-tun-post"] + tun4_input_node = "ipsec4-tun-input" + + def config_sa_tra(self, p): + config_tun_params(p, self.encryption_type, p.tun_if) + + 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, + ) + 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, + ) + p.tun_sa_in.add_vpp_config() + + def config_sa_tun(self, p): + config_tun_params(p, self.encryption_type, p.tun_if) + + 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.tun_if.local_addr[p.addr_type], + self.tun_if.remote_addr[p.addr_type], + 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, + self.tun_if.remote_addr[p.addr_type], + self.tun_if.local_addr[p.addr_type], + 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): + if hasattr(p, "tun_dst"): + tun_dst = p.tun_dst + else: + tun_dst = self.pg0.remote_ip4 + p.tun_if = VppIpIpTunInterface(self, self.pg0, self.pg0.local_ip4, tun_dst) + 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 TemplateIpsec4TunIfEsp(TemplateIpsec4TunProtect, TemplateIpsec): + """IPsec tunnel interface tests""" encryption_type = ESP @@ -39,68 +270,280 @@ class TemplateIpsec4TunIfEsp(TemplateIpsec): p = self.ipv4_params - p.tun_if = VppIpsecTunInterface(self, self.pg0, p.vpp_tun_spi, - p.scapy_tun_spi, p.crypt_algo_vpp_id, - p.crypt_key, p.crypt_key, - p.auth_algo_vpp_id, p.auth_key, - p.auth_key) - 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_host, 32, - [VppRoutePath(p.tun_if.remote_ip4, - 0xffffffff)]) - r.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() + self.config_network(p) + self.config_sa_tra(p) + self.config_protect(p) def tearDown(self): super(TemplateIpsec4TunIfEsp, self).tearDown() +class TemplateIpsec4TunIfEspUdp(TemplateIpsec4TunProtect, TemplateIpsec): + """IPsec UDP tunnel interface tests""" + + tun4_encrypt_node_name = "esp4-encrypt-tun" + tun4_decrypt_node_name = ["esp4-decrypt-tun", "esp4-decrypt-tun-post"] + encryption_type = ESP + + @classmethod + def setUpClass(cls): + super(TemplateIpsec4TunIfEspUdp, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TemplateIpsec4TunIfEspUdp, cls).tearDownClass() + + def verify_encrypted(self, p, sa, rxs): + for rx in rxs: + try: + # ensure the UDP ports are correct before we decrypt + # which strips them + self.assertTrue(rx.haslayer(UDP)) + self.assert_equal(rx[UDP].sport, p.nat_header.sport) + self.assert_equal(rx[UDP].dport, 4500) + + 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, "1.1.1.1") + self.assert_equal(pkt[IP].src, self.pg1.remote_ip4) + except (IndexError, AssertionError): + self.logger.debug(ppp("Unexpected packet:", rx)) + try: + self.logger.debug(ppp("Decrypted packet:", pkt)) + except: + pass + raise + + def config_sa_tra(self, p): + config_tun_params(p, self.encryption_type, p.tun_if) + + 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=p.nat_header.sport, + udp_dst=p.nat_header.dport, + ) + 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, + udp_src=p.nat_header.sport, + udp_dst=p.nat_header.dport, + ) + p.tun_sa_in.add_vpp_config() + + def setUp(self): + super(TemplateIpsec4TunIfEspUdp, self).setUp() + + 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=4500) + + self.tun_if = self.pg0 + + self.config_network(p) + self.config_sa_tra(p) + self.config_protect(p) + + def tearDown(self): + super(TemplateIpsec4TunIfEspUdp, self).tearDown() + + class TestIpsec4TunIfEsp1(TemplateIpsec4TunIfEsp, IpsecTun4Tests): - """ Ipsec ESP - TUN tests """ + """Ipsec ESP - TUN tests""" + tun4_encrypt_node_name = "esp4-encrypt-tun" - tun4_decrypt_node_name = "esp4-decrypt" + tun4_decrypt_node_name = ["esp4-decrypt-tun", "esp4-decrypt-tun-post"] def test_tun_basic64(self): - """ ipsec 6o4 tunnel basic test """ - self.tun4_encrypt_node_name = "esp6-encrypt-tun" + """ipsec 6o4 tunnel basic test""" + self.tun4_encrypt_node_name = "esp4-encrypt-tun" self.verify_tun_64(self.params[socket.AF_INET], count=1) def test_tun_burst64(self): - """ ipsec 6o4 tunnel basic test """ - self.tun4_encrypt_node_name = "esp6-encrypt-tun" + """ipsec 6o4 tunnel basic test""" + self.tun4_encrypt_node_name = "esp4-encrypt-tun" self.verify_tun_64(self.params[socket.AF_INET], count=257) def test_tun_basic_frag44(self): - """ ipsec 4o4 tunnel frag basic test """ + """ipsec 4o4 tunnel frag basic test""" self.tun4_encrypt_node_name = "esp4-encrypt-tun" p = self.ipv4_params - self.vapi.sw_interface_set_mtu(p.tun_if.sw_if_index, - [1500, 0, 0, 0]) - self.verify_tun_44(self.params[socket.AF_INET], - count=1, payload_size=1800, n_rx=2) - self.vapi.sw_interface_set_mtu(p.tun_if.sw_if_index, - [9000, 0, 0, 0]) + self.vapi.sw_interface_set_mtu(p.tun_if.sw_if_index, [1500, 0, 0, 0]) + self.verify_tun_44( + self.params[socket.AF_INET], count=1, payload_size=1800, n_rx=2 + ) + self.vapi.sw_interface_set_mtu(p.tun_if.sw_if_index, [9000, 0, 0, 0]) + + +class TestIpsec4TunIfEspUdp(TemplateIpsec4TunIfEspUdp, IpsecTun4Tests): + """Ipsec ESP UDP tests""" + + tun4_input_node = "ipsec4-tun-input" + + def setUp(self): + super(TestIpsec4TunIfEspUdp, self).setUp() + + def test_keepalive(self): + """IPSEC NAT Keepalive""" + self.verify_keepalive(self.ipv4_params) + + +class TestIpsec4TunIfEspUdpGCM(TemplateIpsec4TunIfEspUdp, IpsecTun4Tests): + """Ipsec ESP UDP GCM tests""" + + tun4_input_node = "ipsec4-tun-input" + + def setUp(self): + super(TestIpsec4TunIfEspUdpGCM, self).setUp() + p = 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_AES_GCM_256 + ) + p.crypt_algo = "AES-GCM" + p.auth_algo = "NULL" + p.crypt_key = b"JPjyOWBeVEQiMe7hJPjyOWBeVEQiMe7h" + p.salt = 0 class TestIpsec4TunIfEsp2(TemplateIpsec4TunIfEsp, IpsecTcpTests): - """ Ipsec ESP - TCP tests """ + """Ipsec ESP - TCP tests""" + pass -class TemplateIpsec6TunIfEsp(TemplateIpsec): - """ IPsec tunnel interface tests """ +class TemplateIpsec6TunProtect(object): + """IPsec IPv6 Tunnel protect""" + + def config_sa_tra(self, p): + config_tun_params(p, self.encryption_type, p.tun_if) + + 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() + + def config_sa_tun(self, p): + config_tun_params(p, self.encryption_type, p.tun_if) + + 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.tun_if.local_addr[p.addr_type], + self.tun_if.remote_addr[p.addr_type], + ) + 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.tun_if.remote_addr[p.addr_type], + self.tun_if.local_addr[p.addr_type], + ) + 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): + if hasattr(p, "tun_dst"): + tun_dst = p.tun_dst + else: + tun_dst = self.pg0.remote_ip6 + p.tun_if = VppIpIpTunInterface(self, self.pg0, self.pg0.local_ip6, tun_dst) + p.tun_if.add_vpp_config() + p.tun_if.admin_up() + p.tun_if.config_ip6() + p.tun_if.config_ip4() + + 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() + r = VppIpRoute( + self, + p.remote_tun_if_host4, + 32, + [VppRoutePath(p.tun_if.remote_ip4, 0xFFFFFFFF)], + ) + 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 TemplateIpsec6TunIfEsp(TemplateIpsec6TunProtect, TemplateIpsec): + """IPsec tunnel interface tests""" encryption_type = ESP @@ -110,52 +553,204 @@ class TemplateIpsec6TunIfEsp(TemplateIpsec): self.tun_if = self.pg0 p = self.ipv6_params - tun_if = VppIpsecTunInterface(self, self.pg0, p.vpp_tun_spi, - p.scapy_tun_spi, p.crypt_algo_vpp_id, - p.crypt_key, p.crypt_key, - p.auth_algo_vpp_id, p.auth_key, - p.auth_key, is_ip6=True) - tun_if.add_vpp_config() - tun_if.admin_up() - tun_if.config_ip6() - tun_if.config_ip4() - - r = VppIpRoute(self, p.remote_tun_if_host, 128, - [VppRoutePath(tun_if.remote_ip6, - 0xffffffff, - proto=DpoProto.DPO_PROTO_IP6)]) - r.add_vpp_config() - r = VppIpRoute(self, p.remote_tun_if_host4, 32, - [VppRoutePath(tun_if.remote_ip4, - 0xffffffff)]) - r.add_vpp_config() + self.config_network(p) + self.config_sa_tra(p) + self.config_protect(p) def tearDown(self): super(TemplateIpsec6TunIfEsp, self).tearDown() class TestIpsec6TunIfEsp1(TemplateIpsec6TunIfEsp, IpsecTun6Tests): - """ Ipsec ESP - TUN tests """ + """Ipsec ESP - TUN tests""" + tun6_encrypt_node_name = "esp6-encrypt-tun" - tun6_decrypt_node_name = "esp6-decrypt" + tun6_decrypt_node_name = ["esp6-decrypt-tun", "esp6-decrypt-tun-post"] def test_tun_basic46(self): - """ ipsec 4o6 tunnel basic test """ - self.tun6_encrypt_node_name = "esp4-encrypt-tun" + """ipsec 4o6 tunnel basic test""" + self.tun6_encrypt_node_name = "esp6-encrypt-tun" self.verify_tun_46(self.params[socket.AF_INET6], count=1) def test_tun_burst46(self): - """ ipsec 4o6 tunnel burst test """ - self.tun6_encrypt_node_name = "esp4-encrypt-tun" + """ipsec 4o6 tunnel burst test""" + self.tun6_encrypt_node_name = "esp6-encrypt-tun" self.verify_tun_46(self.params[socket.AF_INET6], count=257) -class TestIpsec4MultiTunIfEsp(TemplateIpsec, IpsecTun4): - """ IPsec IPv4 Multi Tunnel interface """ +class TestIpsec6TunIfEspHandoff(TemplateIpsec6TunIfEsp, IpsecTun6HandoffTests): + """Ipsec ESP 6 Handoff tests""" + + tun6_encrypt_node_name = "esp6-encrypt-tun" + tun6_decrypt_node_name = ["esp6-decrypt-tun", "esp6-decrypt-tun-post"] + + def test_tun_handoff_66_police(self): + """ESP 6o6 tunnel with policer worker hand-off test""" + self.vapi.cli("clear errors") + self.vapi.cli("clear ipsec sa") + + N_PKTS = 15 + p = self.params[socket.AF_INET6] + + action_tx = PolicerAction( + VppEnum.vl_api_sse2_qos_action_type_t.SSE2_QOS_ACTION_API_TRANSMIT, 0 + ) + policer = VppPolicer( + self, + "pol1", + 80, + 0, + 1000, + 0, + conform_action=action_tx, + exceed_action=action_tx, + violate_action=action_tx, + ) + policer.add_vpp_config() + + # Start policing on tun + policer.apply_vpp_config(p.tun_if.sw_if_index, Dir.RX, True) + + for pol_bind in [1, 0]: + policer.bind_vpp_config(pol_bind, True) + + # inject alternately on worker 0 and 1. + for worker in [0, 1, 0, 1]: + send_pkts = self.gen_encrypt_pkts6( + p, + p.scapy_tun_sa, + self.tun_if, + src=p.remote_tun_if_host, + dst=self.pg1.remote_ip6, + count=N_PKTS, + ) + recv_pkts = self.send_and_expect( + self.tun_if, send_pkts, self.pg1, worker=worker + ) + self.verify_decrypted6(p, recv_pkts) + self.logger.debug(self.vapi.cli("show trace max 100")) + + stats = policer.get_stats() + stats0 = policer.get_stats(worker=0) + stats1 = policer.get_stats(worker=1) + + if pol_bind == 1: + # First pass: Worker 1, should have done all the policing + self.assertEqual(stats, stats1) + + # Worker 0, should have handed everything off + self.assertEqual(stats0["conform_packets"], 0) + self.assertEqual(stats0["exceed_packets"], 0) + self.assertEqual(stats0["violate_packets"], 0) + else: + # Second pass: both workers should have policed equal amounts + self.assertGreater(stats1["conform_packets"], 0) + self.assertEqual(stats1["exceed_packets"], 0) + self.assertGreater(stats1["violate_packets"], 0) + + self.assertGreater(stats0["conform_packets"], 0) + self.assertEqual(stats0["exceed_packets"], 0) + self.assertGreater(stats0["violate_packets"], 0) + + self.assertEqual( + stats0["conform_packets"] + stats0["violate_packets"], + stats1["conform_packets"] + stats1["violate_packets"], + ) + + policer.apply_vpp_config(p.tun_if.sw_if_index, Dir.RX, False) + policer.remove_vpp_config() + + +class TestIpsec4TunIfEspHandoff(TemplateIpsec4TunIfEsp, IpsecTun4HandoffTests): + """Ipsec ESP 4 Handoff tests""" + + tun4_encrypt_node_name = "esp4-encrypt-tun" + tun4_decrypt_node_name = ["esp4-decrypt-tun", "esp4-decrypt-tun-post"] + + def test_tun_handoff_44_police(self): + """ESP 4o4 tunnel with policer worker hand-off test""" + self.vapi.cli("clear errors") + self.vapi.cli("clear ipsec sa") + + N_PKTS = 15 + p = self.params[socket.AF_INET] + + action_tx = PolicerAction( + VppEnum.vl_api_sse2_qos_action_type_t.SSE2_QOS_ACTION_API_TRANSMIT, 0 + ) + policer = VppPolicer( + self, + "pol1", + 80, + 0, + 1000, + 0, + conform_action=action_tx, + exceed_action=action_tx, + violate_action=action_tx, + ) + policer.add_vpp_config() + + # Start policing on tun + policer.apply_vpp_config(p.tun_if.sw_if_index, Dir.RX, True) + + for pol_bind in [1, 0]: + policer.bind_vpp_config(pol_bind, True) + + # inject alternately on worker 0 and 1. + for worker in [0, 1, 0, 1]: + send_pkts = self.gen_encrypt_pkts( + p, + p.scapy_tun_sa, + self.tun_if, + src=p.remote_tun_if_host, + dst=self.pg1.remote_ip4, + count=N_PKTS, + ) + recv_pkts = self.send_and_expect( + self.tun_if, send_pkts, self.pg1, worker=worker + ) + self.verify_decrypted(p, recv_pkts) + self.logger.debug(self.vapi.cli("show trace max 100")) + + stats = policer.get_stats() + stats0 = policer.get_stats(worker=0) + stats1 = policer.get_stats(worker=1) + + if pol_bind == 1: + # First pass: Worker 1, should have done all the policing + self.assertEqual(stats, stats1) + + # Worker 0, should have handed everything off + self.assertEqual(stats0["conform_packets"], 0) + self.assertEqual(stats0["exceed_packets"], 0) + self.assertEqual(stats0["violate_packets"], 0) + else: + # Second pass: both workers should have policed equal amounts + self.assertGreater(stats1["conform_packets"], 0) + self.assertEqual(stats1["exceed_packets"], 0) + self.assertGreater(stats1["violate_packets"], 0) + + self.assertGreater(stats0["conform_packets"], 0) + self.assertEqual(stats0["exceed_packets"], 0) + self.assertGreater(stats0["violate_packets"], 0) + + self.assertEqual( + stats0["conform_packets"] + stats0["violate_packets"], + stats1["conform_packets"] + stats1["violate_packets"], + ) + + policer.apply_vpp_config(p.tun_if.sw_if_index, Dir.RX, False) + policer.remove_vpp_config() + + +@tag_fixme_vpp_workers +class TestIpsec4MultiTunIfEsp(TemplateIpsec4TunProtect, TemplateIpsec, IpsecTun4): + """IPsec IPv4 Multi Tunnel interface""" encryption_type = ESP tun4_encrypt_node_name = "esp4-encrypt-tun" - tun4_decrypt_node_name = "esp4-decrypt" + tun4_decrypt_node_name = ["esp4-decrypt-tun", "esp4-decrypt-tun-post"] def setUp(self): super(TestIpsec4MultiTunIfEsp, self).setUp() @@ -163,6 +758,8 @@ class TestIpsec4MultiTunIfEsp(TemplateIpsec, IpsecTun4): self.tun_if = self.pg0 self.multi_params = [] + self.pg0.generate_remote_hosts(10) + self.pg0.configure_ipv4_neighbors() for ii in range(10): p = copy.copy(self.ipv4_params) @@ -177,83 +774,81 @@ class TestIpsec4MultiTunIfEsp(TemplateIpsec, IpsecTun4): 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_dst = self.pg0.remote_hosts[ii].ip4 - config_tun_params(p, self.encryption_type, self.tun_if) self.multi_params.append(p) - - p.tun_if = VppIpsecTunInterface(self, self.pg0, p.vpp_tun_spi, - p.scapy_tun_spi, - p.crypt_algo_vpp_id, - p.crypt_key, p.crypt_key, - p.auth_algo_vpp_id, p.auth_key, - p.auth_key) - p.tun_if.add_vpp_config() - p.tun_if.admin_up() - p.tun_if.config_ip4() - - VppIpRoute(self, p.remote_tun_if_host, 32, - [VppRoutePath(p.tun_if.remote_ip4, - 0xffffffff)]).add_vpp_config() + self.config_network(p) + self.config_sa_tra(p) + self.config_protect(p) def tearDown(self): super(TestIpsec4MultiTunIfEsp, self).tearDown() def test_tun_44(self): - """Multiple IPSEC tunnel interfaces """ + """Multiple IPSEC tunnel interfaces""" for p in self.multi_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) + self.assertEqual(p.tun_if.get_rx_stats(), 127) + self.assertEqual(p.tun_if.get_tx_stats(), 127) + def test_tun_rr_44(self): + """Round-robin packets acrros multiple interface""" + tx = [] + for p in self.multi_params: + tx = tx + self.gen_encrypt_pkts( + p, + p.scapy_tun_sa, + self.tun_if, + src=p.remote_tun_if_host, + dst=self.pg1.remote_ip4, + ) + rxs = self.send_and_expect(self.tun_if, tx, self.pg1) + + for rx, p in zip(rxs, self.multi_params): + self.verify_decrypted(p, [rx]) + + tx = [] + for p in self.multi_params: + tx = tx + self.gen_pkts( + self.pg1, src=self.pg1.remote_ip4, dst=p.remote_tun_if_host + ) + rxs = self.send_and_expect(self.pg1, tx, self.tun_if) -class TestIpsec4TunIfEspAll(TemplateIpsec, IpsecTun4): - """ IPsec IPv4 Tunnel interface all Algos """ - - encryption_type = ESP - tun4_encrypt_node_name = "esp4-encrypt-tun" - tun4_decrypt_node_name = "esp4-decrypt" + for rx, p in zip(rxs, self.multi_params): + self.verify_encrypted(p, p.vpp_tun_sa, [rx]) - def config_network(self, p): - config_tun_params(p, self.encryption_type, self.tun_if) - - p.tun_if = VppIpsecTunInterface(self, self.pg0, p.vpp_tun_spi, - p.scapy_tun_spi, - p.crypt_algo_vpp_id, - p.crypt_key, p.crypt_key, - p.auth_algo_vpp_id, p.auth_key, - p.auth_key, - salt=p.salt) - p.tun_if.add_vpp_config() - p.tun_if.admin_up() - p.tun_if.config_ip4() - self.logger.info(self.vapi.cli("sh ipsec sa 0")) - self.logger.info(self.vapi.cli("sh ipsec sa 1")) - p.route = VppIpRoute(self, p.remote_tun_if_host, 32, - [VppRoutePath(p.tun_if.remote_ip4, - 0xffffffff)]) - p.route.add_vpp_config() +class TestIpsec4TunIfEspAll(TemplateIpsec4TunProtect, TemplateIpsec, IpsecTun4): + """IPsec IPv4 Tunnel interface all Algos""" - def unconfig_network(self, p): - p.tun_if.unconfig_ip4() - p.tun_if.remove_vpp_config() - p.route.remove_vpp_config() + encryption_type = ESP + tun4_encrypt_node_name = "esp4-encrypt-tun" + tun4_decrypt_node_name = ["esp4-decrypt-tun", "esp4-decrypt-tun-post"] def setUp(self): super(TestIpsec4TunIfEspAll, self).setUp() self.tun_if = self.pg0 + p = self.ipv4_params + + 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_network(p) + self.unconfig_sa(p) + super(TestIpsec4TunIfEspAll, self).tearDown() def rekey(self, p): # # change the key and the SPI # - p.crypt_key = 'X' + p.crypt_key[1:] + np = copy.copy(p) + p.crypt_key = b"X" + p.crypt_key[1:] p.scapy_tun_spi += 1 p.scapy_tun_sa_id += 1 p.vpp_tun_spi += 1 @@ -261,98 +856,133 @@ class TestIpsec4TunIfEspAll(TemplateIpsec, IpsecTun4): p.tun_if.local_spi = p.vpp_tun_spi p.tun_if.remote_spi = p.scapy_tun_spi - config_tun_params(p, self.encryption_type, self.tun_if) - - p.tun_sa_in = 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.tun_if.local_addr[p.addr_type], - self.tun_if.remote_addr[p.addr_type], - flags=p.flags, - salt=p.salt) - p.tun_sa_out = 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.tun_if.remote_addr[p.addr_type], - self.tun_if.local_addr[p.addr_type], - flags=p.flags, - salt=p.salt) + config_tun_params(p, self.encryption_type, p.tun_if) + + 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, + salt=p.salt, + ) + 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, + salt=p.salt, + ) p.tun_sa_in.add_vpp_config() p.tun_sa_out.add_vpp_config() - self.vapi.ipsec_tunnel_if_set_sa(sw_if_index=p.tun_if.sw_if_index, - sa_id=p.tun_sa_in.id, - is_outbound=1) - self.vapi.ipsec_tunnel_if_set_sa(sw_if_index=p.tun_if.sw_if_index, - sa_id=p.tun_sa_out.id, - is_outbound=0) + self.config_protect(p) + np.tun_sa_out.remove_vpp_config() + np.tun_sa_in.remove_vpp_config() self.logger.info(self.vapi.cli("sh ipsec sa")) def test_tun_44(self): - """IPSEC tunnel all algos """ + """IPSEC tunnel all algos""" # foreach VPP crypto engine engines = ["ia32", "ipsecmb", "openssl"] # foreach crypto algorithm - algos = [{'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t. - IPSEC_API_CRYPTO_ALG_AES_GCM_128), - 'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t. - IPSEC_API_INTEG_ALG_NONE), - 'scapy-crypto': "AES-GCM", - 'scapy-integ': "NULL", - 'key': "JPjyOWBeVEQiMe7h", - 'salt': 3333}, - {'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t. - IPSEC_API_CRYPTO_ALG_AES_GCM_192), - 'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t. - IPSEC_API_INTEG_ALG_NONE), - 'scapy-crypto': "AES-GCM", - 'scapy-integ': "NULL", - 'key': "JPjyOWBeVEQiMe7hJPjyOWBe", - 'salt': 0}, - {'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t. - IPSEC_API_CRYPTO_ALG_AES_GCM_256), - 'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t. - IPSEC_API_INTEG_ALG_NONE), - 'scapy-crypto': "AES-GCM", - 'scapy-integ': "NULL", - 'key': "JPjyOWBeVEQiMe7hJPjyOWBeVEQiMe7h", - 'salt': 9999}, - {'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t. - IPSEC_API_CRYPTO_ALG_AES_CBC_128), - 'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t. - IPSEC_API_INTEG_ALG_SHA1_96), - 'scapy-crypto': "AES-CBC", - 'scapy-integ': "HMAC-SHA1-96", - 'salt': 0, - 'key': "JPjyOWBeVEQiMe7h"}, - {'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t. - IPSEC_API_CRYPTO_ALG_AES_CBC_192), - 'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t. - IPSEC_API_INTEG_ALG_SHA1_96), - 'scapy-crypto': "AES-CBC", - 'scapy-integ': "HMAC-SHA1-96", - 'salt': 0, - 'key': "JPjyOWBeVEQiMe7hJPjyOWBe"}, - {'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t. - IPSEC_API_CRYPTO_ALG_AES_CBC_256), - 'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t. - IPSEC_API_INTEG_ALG_SHA1_96), - 'scapy-crypto': "AES-CBC", - 'scapy-integ': "HMAC-SHA1-96", - 'salt': 0, - 'key': "JPjyOWBeVEQiMe7hJPjyOWBeVEQiMe7h"}] + algos = [ + { + "vpp-crypto": ( + VppEnum.vl_api_ipsec_crypto_alg_t.IPSEC_API_CRYPTO_ALG_AES_GCM_128 + ), + "vpp-integ": ( + VppEnum.vl_api_ipsec_integ_alg_t.IPSEC_API_INTEG_ALG_NONE + ), + "scapy-crypto": "AES-GCM", + "scapy-integ": "NULL", + "key": b"JPjyOWBeVEQiMe7h", + "salt": 3333, + }, + { + "vpp-crypto": ( + VppEnum.vl_api_ipsec_crypto_alg_t.IPSEC_API_CRYPTO_ALG_AES_GCM_192 + ), + "vpp-integ": ( + VppEnum.vl_api_ipsec_integ_alg_t.IPSEC_API_INTEG_ALG_NONE + ), + "scapy-crypto": "AES-GCM", + "scapy-integ": "NULL", + "key": b"JPjyOWBeVEQiMe7hJPjyOWBe", + "salt": 0, + }, + { + "vpp-crypto": ( + VppEnum.vl_api_ipsec_crypto_alg_t.IPSEC_API_CRYPTO_ALG_AES_GCM_256 + ), + "vpp-integ": ( + VppEnum.vl_api_ipsec_integ_alg_t.IPSEC_API_INTEG_ALG_NONE + ), + "scapy-crypto": "AES-GCM", + "scapy-integ": "NULL", + "key": b"JPjyOWBeVEQiMe7hJPjyOWBeVEQiMe7h", + "salt": 9999, + }, + { + "vpp-crypto": ( + VppEnum.vl_api_ipsec_crypto_alg_t.IPSEC_API_CRYPTO_ALG_AES_CBC_128 + ), + "vpp-integ": ( + VppEnum.vl_api_ipsec_integ_alg_t.IPSEC_API_INTEG_ALG_SHA1_96 + ), + "scapy-crypto": "AES-CBC", + "scapy-integ": "HMAC-SHA1-96", + "salt": 0, + "key": b"JPjyOWBeVEQiMe7h", + }, + { + "vpp-crypto": ( + VppEnum.vl_api_ipsec_crypto_alg_t.IPSEC_API_CRYPTO_ALG_AES_CBC_192 + ), + "vpp-integ": ( + VppEnum.vl_api_ipsec_integ_alg_t.IPSEC_API_INTEG_ALG_SHA_512_256 + ), + "scapy-crypto": "AES-CBC", + "scapy-integ": "SHA2-512-256", + "salt": 0, + "key": b"JPjyOWBeVEQiMe7hJPjyOWBe", + }, + { + "vpp-crypto": ( + VppEnum.vl_api_ipsec_crypto_alg_t.IPSEC_API_CRYPTO_ALG_AES_CBC_256 + ), + "vpp-integ": ( + VppEnum.vl_api_ipsec_integ_alg_t.IPSEC_API_INTEG_ALG_SHA_256_128 + ), + "scapy-crypto": "AES-CBC", + "scapy-integ": "SHA2-256-128", + "salt": 0, + "key": b"JPjyOWBeVEQiMe7hJPjyOWBeVEQiMe7h", + }, + { + "vpp-crypto": ( + VppEnum.vl_api_ipsec_crypto_alg_t.IPSEC_API_CRYPTO_ALG_NONE + ), + "vpp-integ": ( + VppEnum.vl_api_ipsec_integ_alg_t.IPSEC_API_INTEG_ALG_SHA1_96 + ), + "scapy-crypto": "NULL", + "scapy-integ": "HMAC-SHA1-96", + "salt": 0, + "key": b"JPjyOWBeVEQiMe7hJPjyOWBeVEQiMe7h", + }, + ] for engine in engines: self.vapi.cli("set crypto handler all %s" % engine) @@ -363,21 +993,13 @@ class TestIpsec4TunIfEspAll(TemplateIpsec, IpsecTun4): for algo in algos: # with self.subTest(algo=algo['scapy']): - p = copy.copy(self.ipv4_params) - p.auth_algo_vpp_id = algo['vpp-integ'] - p.crypt_algo_vpp_id = algo['vpp-crypto'] - p.crypt_algo = algo['scapy-crypto'] - p.auth_algo = algo['scapy-integ'] - p.crypt_key = algo['key'] - p.salt = algo['salt'] - - self.config_network(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) + p = self.ipv4_params + p.auth_algo_vpp_id = algo["vpp-integ"] + p.crypt_algo_vpp_id = algo["vpp-crypto"] + p.crypt_algo = algo["scapy-crypto"] + p.auth_algo = algo["scapy-integ"] + p.crypt_key = algo["key"] + p.salt = algo["salt"] # # rekey the tunnel @@ -385,17 +1007,55 @@ class TestIpsec4TunIfEspAll(TemplateIpsec, IpsecTun4): self.rekey(p) self.verify_tun_44(p, count=127) - self.unconfig_network(p) - p.tun_sa_out.remove_vpp_config() - p.tun_sa_in.remove_vpp_config() + +class TestIpsec4TunIfEspNoAlgo(TemplateIpsec4TunProtect, TemplateIpsec, IpsecTun4): + """IPsec IPv4 Tunnel interface no Algos""" + + encryption_type = ESP + tun4_encrypt_node_name = "esp4-encrypt-tun" + tun4_decrypt_node_name = ["esp4-decrypt-tun", "esp4-decrypt-tun-post"] + + def setUp(self): + super(TestIpsec4TunIfEspNoAlgo, self).setUp() + + self.tun_if = self.pg0 + p = self.ipv4_params + p.auth_algo_vpp_id = VppEnum.vl_api_ipsec_integ_alg_t.IPSEC_API_INTEG_ALG_NONE + p.auth_algo = "NULL" + p.auth_key = [] + + p.crypt_algo_vpp_id = ( + VppEnum.vl_api_ipsec_crypto_alg_t.IPSEC_API_CRYPTO_ALG_NONE + ) + p.crypt_algo = "NULL" + p.crypt_key = [] + + def tearDown(self): + super(TestIpsec4TunIfEspNoAlgo, self).tearDown() + + def test_tun_44(self): + """IPSec SA with NULL algos""" + p = self.ipv4_params + + self.config_network(p) + self.config_sa_tra(p) + self.config_protect(p) + + tx = self.gen_pkts(self.pg1, src=self.pg1.remote_ip4, dst=p.remote_tun_if_host) + self.send_and_assert_no_replies(self.pg1, tx) + + self.unconfig_protect(p) + self.unconfig_sa(p) + self.unconfig_network(p) -class TestIpsec6MultiTunIfEsp(TemplateIpsec, IpsecTun6): - """ IPsec IPv6 Multi Tunnel interface """ +@tag_fixme_vpp_workers +class TestIpsec6MultiTunIfEsp(TemplateIpsec6TunProtect, TemplateIpsec, IpsecTun6): + """IPsec IPv6 Multi Tunnel interface""" encryption_type = ESP tun6_encrypt_node_name = "esp6-encrypt-tun" - tun6_decrypt_node_name = "esp6-decrypt" + tun6_decrypt_node_name = ["esp6-decrypt-tun", "esp6-decrypt-tun-post"] def setUp(self): super(TestIpsec6MultiTunIfEsp, self).setUp() @@ -403,6 +1063,8 @@ class TestIpsec6MultiTunIfEsp(TemplateIpsec, IpsecTun6): self.tun_if = self.pg0 self.multi_params = [] + self.pg0.generate_remote_hosts(10) + self.pg0.configure_ipv6_neighbors() for ii in range(10): p = copy.copy(self.ipv6_params) @@ -417,68 +1079,54 @@ class TestIpsec6MultiTunIfEsp(TemplateIpsec, IpsecTun6): 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_dst = self.pg0.remote_hosts[ii].ip6 - config_tun_params(p, self.encryption_type, self.tun_if) self.multi_params.append(p) - - p.tun_if = VppIpsecTunInterface(self, self.pg0, p.vpp_tun_spi, - p.scapy_tun_spi, - p.crypt_algo_vpp_id, - p.crypt_key, p.crypt_key, - p.auth_algo_vpp_id, p.auth_key, - p.auth_key, is_ip6=True) - p.tun_if.add_vpp_config() - p.tun_if.admin_up() - p.tun_if.config_ip6() - - r = VppIpRoute(self, p.remote_tun_if_host, 128, - [VppRoutePath(p.tun_if.remote_ip6, - 0xffffffff, - proto=DpoProto.DPO_PROTO_IP6)]) - r.add_vpp_config() + self.config_network(p) + self.config_sa_tra(p) + self.config_protect(p) def tearDown(self): super(TestIpsec6MultiTunIfEsp, self).tearDown() def test_tun_66(self): - """Multiple IPSEC tunnel interfaces """ + """Multiple IPSEC tunnel interfaces""" for p in self.multi_params: 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) + self.assertEqual(p.tun_if.get_rx_stats(), 127) + self.assertEqual(p.tun_if.get_tx_stats(), 127) + +class TestIpsecGreTebIfEsp(TemplateIpsec, IpsecTun4Tests): + """Ipsec GRE TEB ESP - TUN tests""" -@unittest.skipIf(is_skip_aarch64_set and is_platform_aarch64, - "test doesn't work on aarch64") -class TestIpsecGreTebIfEsp(TemplateIpsec, - IpsecTun4Tests): - """ Ipsec GRE TEB ESP - TUN tests """ tun4_encrypt_node_name = "esp4-encrypt-tun" - tun4_decrypt_node_name = "esp4-decrypt-tun" + tun4_decrypt_node_name = ["esp4-decrypt-tun", "esp4-decrypt-tun-post"] encryption_type = ESP omac = "00:11:22:33:44:55" - def gen_encrypt_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() / - Ether(dst=self.omac) / - IP(src="1.1.1.1", dst="1.1.1.2") / - UDP(sport=1144, dport=2233) / - Raw('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('X' * payload_size) - for i in range(count)] + 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: @@ -516,80 +1164,100 @@ class TestIpsecGreTebIfEsp(TemplateIpsec, 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 = 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 = 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() - self.tun = VppGreInterface(self, - self.pg0.local_ip4, - self.pg0.remote_ip4, - type=(VppEnum.vl_api_gre_tunnel_type_t. - GRE_API_TUNNEL_TYPE_TEB)) - self.tun.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, - self.tun, - p.tun_sa_out, - [p.tun_sa_in]) + p.tun_protect = VppIpsecTunProtect(self, p.tun_if, p.tun_sa_out, [p.tun_sa_in]) p.tun_protect.add_vpp_config() - self.tun.admin_up() - self.tun.config_ip4() + p.tun_if.admin_up() + p.tun_if.config_ip4() + config_tun_params(p, self.encryption_type, p.tun_if) - VppBridgeDomainPort(self, bd1, self.tun).add_vpp_config() + VppBridgeDomainPort(self, bd1, p.tun_if).add_vpp_config() VppBridgeDomainPort(self, bd1, self.pg1).add_vpp_config() self.vapi.cli("clear ipsec sa") + self.vapi.cli("sh adj") + self.vapi.cli("sh ipsec tun") def tearDown(self): - self.tun.unconfig_ip4() + p = self.ipv4_params + p.tun_if.unconfig_ip4() super(TestIpsecGreTebIfEsp, self).tearDown() -class TestIpsecGreIfEsp(TemplateIpsec, - IpsecTun4Tests): - """ Ipsec GRE ESP - TUN tests """ +class TestIpsecGreTebVlanIfEsp(TemplateIpsec, IpsecTun4Tests): + """Ipsec GRE TEB ESP - TUN tests""" + tun4_encrypt_node_name = "esp4-encrypt-tun" - tun4_decrypt_node_name = "esp4-decrypt-tun" + tun4_decrypt_node_name = ["esp4-decrypt-tun", "esp4-decrypt-tun-post"] encryption_type = ESP + omac = "00:11:22:33:44:55" - def gen_encrypt_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() / - IP(src=self.pg1.local_ip4, - dst=self.pg1.remote_ip4) / - UDP(sport=1144, dport=2233) / - Raw('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('X' * payload_size) - for i in range(count)] + 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) + / Dot1Q(vlan=11) + / 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) + self.assert_equal(rx[Ether].dst, self.omac) + self.assert_equal(rx[Dot1Q].vlan, 11) + self.assert_equal(rx[IP].dst, "1.1.1.2") def verify_encrypted(self, p, sa, rxs): for rx in rxs: @@ -601,7 +1269,9 @@ class TestIpsecGreIfEsp(TemplateIpsec, 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] + e = pkt[Ether] + self.assertEqual(e[Ether].dst, self.omac) + self.assertFalse(e.haslayer(Dot1Q)) self.assertEqual(e[IP].dst, "1.1.1.2") except (IndexError, AssertionError): self.logger.debug(ppp("Unexpected packet:", rx)) @@ -612,7 +1282,7 @@ class TestIpsecGreIfEsp(TemplateIpsec, raise def setUp(self): - super(TestIpsecGreIfEsp, self).setUp() + super(TestIpsecGreTebVlanIfEsp, self).setUp() self.tun_if = self.pg0 @@ -621,101 +1291,1582 @@ class TestIpsecGreIfEsp(TemplateIpsec, 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) + self.pg1_11 = VppDot1QSubint(self, self.pg1, 11) + self.vapi.l2_interface_vlan_tag_rewrite( + sw_if_index=self.pg1_11.sw_if_index, + vtr_op=L2_VTR_OP.L2_POP_1, + push_dot1q=11, + ) + self.pg1_11.admin_up() + + 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 = 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() - self.tun = VppGreInterface(self, - self.pg0.local_ip4, - self.pg0.remote_ip4) - self.tun.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 = VppIpsecTunProtect(self, - self.tun, - p.tun_sa_out, - [p.tun_sa_in]) p.tun_protect.add_vpp_config() - self.tun.admin_up() - self.tun.config_ip4() + 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(self.tun.remote_ip4, - 0xffffffff)]).add_vpp_config() + VppBridgeDomainPort(self, bd1, p.tun_if).add_vpp_config() + VppBridgeDomainPort(self, bd1, self.pg1_11).add_vpp_config() - def tearDown(self): - self.tun.unconfig_ip4() - super(TestIpsecGreIfEsp, self).tearDown() + self.vapi.cli("clear ipsec sa") + def tearDown(self): + p = self.ipv4_params + p.tun_if.unconfig_ip4() + super(TestIpsecGreTebVlanIfEsp, self).tearDown() + self.pg1_11.admin_down() + self.pg1_11.remove_vpp_config() -class TemplateIpsec4TunProtect(object): - """ IPsec IPv4 Tunnel protect """ - def config_sa_tra(self, p): - config_tun_params(p, self.encryption_type, self.tun_if) +class TestIpsecGreTebIfEspTra(TemplateIpsec, IpsecTun4Tests): + """Ipsec GRE TEB ESP - Tra tests""" - 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() + tun4_encrypt_node_name = "esp4-encrypt-tun" + tun4_decrypt_node_name = ["esp4-decrypt-tun", "esp4-decrypt-tun-post"] + encryption_type = ESP + omac = "00:11:22:33:44:55" - 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() + 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 config_sa_tun(self, p): - config_tun_params(p, self.encryption_type, self.tun_if) - - 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.tun_if.remote_addr[p.addr_type], - self.tun_if.local_addr[p.addr_type]) + 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: + 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(TestIpsecGreTebIfEspTra, 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, + ) + 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, + 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") + + def tearDown(self): + p = self.ipv4_params + p.tun_if.unconfig_ip4() + super(TestIpsecGreTebIfEspTra, self).tearDown() + + +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", "esp4-decrypt-tun-post"] + 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=4545, + udp_dst=5454, + ) + 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", "esp4-decrypt-tun-post"] + 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", "esp4-decrypt-tun-post"] + 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[0] + 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", "esp6-decrypt-tun-post"] + 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, p, 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", "esp4-decrypt-tun-post"] + 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", "esp6-decrypt-tun-post"] + 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, p, 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) + + +@tag_fixme_vpp_workers +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) + self.assertEqual(p.tun_if.get_rx_stats(), 127) + self.assertEqual(p.tun_if.get_tx_stats(), 127) + + self.vapi.cli("clear ipsec sa") + self.verify_tun_64(p, count=127) + self.assertEqual(p.tun_if.get_rx_stats(), 254) + self.assertEqual(p.tun_if.get_tx_stats(), 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) + self.assertEqual(p.tun_if.get_rx_stats(), 381) + self.assertEqual(p.tun_if.get_tx_stats(), 381) + + # teardown + self.unconfig_protect(np) + self.unconfig_sa(np) + self.unconfig_network(p) + + +@tag_fixme_vpp_workers +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) + self.assertEqual(p.tun_if.get_rx_stats(), 127) + self.assertEqual(p.tun_if.get_tx_stats(), 127) + + def test_keepalive(self): + """IPSEC NAT Keepalive""" + self.verify_keepalive(self.ipv4_params) + + +@tag_fixme_vpp_workers +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", "esp4-decrypt-tun-post"] + + 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) + + self.assertEqual(p.tun_if.get_rx_stats(), 127) + self.assertEqual(p.tun_if.get_tx_stats(), 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) + self.assertEqual(p.tun_if.get_rx_stats(), 254) + self.assertEqual(p.tun_if.get_tx_stats(), 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", "esp4-decrypt-tun-post"] + + 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) + + +@tag_fixme_vpp_workers +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", "esp6-decrypt-tun-post"] + + 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) + self.assertEqual(p.tun_if.get_rx_stats(), 127) + self.assertEqual(p.tun_if.get_tx_stats(), 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) + self.assertEqual(p.tun_if.get_rx_stats(), 254) + self.assertEqual(p.tun_if.get_tx_stats(), 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_rx_66(np, count=127) + + self.assertEqual(p.tun_if.get_rx_stats(), 127 * 9) + self.assertEqual(p.tun_if.get_tx_stats(), 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) + self.assertEqual(p.tun_if.get_rx_stats(), 127) + self.assertEqual(p.tun_if.get_tx_stats(), 127) + + # teardown + self.unconfig_protect(p) + self.unconfig_sa(p) + self.unconfig_network(p) + + +@tag_fixme_vpp_workers +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", "esp6-decrypt-tun-post"] + + 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, p, 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) + + self.assertEqual(p.tun_if.get_rx_stats(), 127) + self.assertEqual(p.tun_if.get_tx_stats(), 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) + self.assertEqual(p.tun_if.get_rx_stats(), 254) + self.assertEqual(p.tun_if.get_tx_stats(), 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", "esp6-decrypt-tun-post"] + + 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", "esp4-decrypt-tun-post"] + 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, - self.tun_if.remote_addr[p.addr_type], - self.tun_if.local_addr[p.addr_type]) + 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 = 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 = VppIpIpTunInterface(self, self.pg0, - self.pg0.local_ip4, - self.pg0.remote_ip4) + 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 = 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() @@ -729,41 +2880,70 @@ class TemplateIpsec4TunProtect(object): p.tun_sa_in.remove_vpp_config() -class TestIpsec4TunProtect(TemplateIpsec, - TemplateIpsec4TunProtect, - IpsecTun4): - """ IPsec IPv4 Tunnel protect - transport mode""" - - encryption_type = ESP - tun4_encrypt_node_name = "esp4-encrypt-tun" - tun4_decrypt_node_name = "esp4-decrypt-tun" +@tag_fixme_vpp_workers +class TestIpsecItf4(TemplateIpsec, TemplateIpsecItf4, IpsecTun4): + """IPsec Interface IPv4""" def setUp(self): - super(TestIpsec4TunProtect, self).setUp() + super(TestIpsecItf4, self).setUp() self.tun_if = self.pg0 def tearDown(self): - super(TestIpsec4TunProtect, self).tearDown() + 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 tunnel protect""" + """IPSEC interface IPv4""" + n_pkts = 127 p = self.ipv4_params self.config_network(p) - self.config_sa_tra(p) + config_tun_params( + p, self.encryption_type, None, self.pg0.local_ip4, self.pg0.remote_ip4 + ) + self.verify_tun_dropped_44(p, count=n_pkts) + self.config_sa_tun(p, self.pg0.local_ip4, self.pg0.remote_ip4) 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.verify_tun_44(p, count=n_pkts) + self.assertEqual(p.tun_if.get_rx_stats(), n_pkts) + self.assertEqual(p.tun_if.get_tx_stats(), 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) + + self.assertEqual(p.tun_if.get_rx_stats(), 3 * n_pkts) + self.assertEqual(p.tun_if.get_tx_stats(), 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) + self.assertEqual(p.tun_if.get_rx_stats(), 4 * n_pkts) + self.assertEqual(p.tun_if.get_tx_stats(), 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 = 'X' + p.crypt_key[1:] + 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 @@ -771,62 +2951,122 @@ class TestIpsec4TunProtect(TemplateIpsec, 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_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=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) + self.verify_tun_44(np, count=n_pkts) + self.assertEqual(p.tun_if.get_rx_stats(), n_pkts) + self.assertEqual(p.tun_if.get_tx_stats(), 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""" -class TestIpsec4TunProtectTun(TemplateIpsec, - TemplateIpsec4TunProtect, - IpsecTun4): - """ IPsec IPv4 Tunnel protect - tunnel mode""" + n_pkts = 127 + p = copy.copy(self.ipv4_params) - encryption_type = ESP - tun4_encrypt_node_name = "esp4-encrypt-tun" - tun4_decrypt_node_name = "esp4-decrypt-tun" + 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.logger.info(self.vapi.cli("sh ipsec sa")) + self.verify_tun_44(p, count=n_pkts) + + # teardown + self.unconfig_protect(p) + self.unconfig_sa(p) + self.unconfig_network(p) + + def test_tun_44_police(self): + """IPSEC interface IPv4 with input policer""" + 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) + + action_tx = PolicerAction( + VppEnum.vl_api_sse2_qos_action_type_t.SSE2_QOS_ACTION_API_TRANSMIT, 0 + ) + policer = VppPolicer( + self, + "pol1", + 80, + 0, + 1000, + 0, + conform_action=action_tx, + exceed_action=action_tx, + violate_action=action_tx, + ) + policer.add_vpp_config() + + # Start policing on tun + policer.apply_vpp_config(p.tun_if.sw_if_index, Dir.RX, True) + + self.verify_tun_44(p, count=n_pkts) + self.assertEqual(p.tun_if.get_rx_stats(), n_pkts) + self.assertEqual(p.tun_if.get_tx_stats(), n_pkts) + + stats = policer.get_stats() + + # Single rate, 2 colour policer - expect conform, violate but no exceed + self.assertGreater(stats["conform_packets"], 0) + self.assertEqual(stats["exceed_packets"], 0) + self.assertGreater(stats["violate_packets"], 0) + + # Stop policing on tun + policer.apply_vpp_config(p.tun_if.sw_if_index, Dir.RX, False) + self.verify_tun_44(p, count=n_pkts) + + # No new policer stats + statsnew = policer.get_stats() + self.assertEqual(stats, statsnew) + + # teardown + policer.remove_vpp_config() + 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(TestIpsec4TunProtectTun, self).setUp() + super(TestIpsecItf4MPLS, self).setUp() self.tun_if = self.pg0 def tearDown(self): - super(TestIpsec4TunProtectTun, self).tearDown() - - def gen_encrypt_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=sw_intf.remote_ip4, - dst=sw_intf.local_ip4) / - IP(src=src, dst=dst) / - UDP(sport=1144, dport=2233) / - Raw('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('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) + 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: @@ -835,11 +3075,8 @@ class TestIpsec4TunProtectTun(TemplateIpsec, 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) - + 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: @@ -848,104 +3085,120 @@ class TestIpsec4TunProtectTun(TemplateIpsec, pass raise - def test_tun_44(self): - """IPSEC tunnel protect """ + 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) - self.config_sa_tun(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=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 = '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.verify_tun_44(p, count=n_pkts) - self.config_sa_tun(np) - self.config_protect(np) + # cleanup + p.tun_if.disable_mpls() + self.unconfig_protect(p) 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 TemplateIpsec6TunProtect(object): - """ IPsec IPv6 Tunnel protect """ - - def config_sa_tra(self, p): - config_tun_params(p, self.encryption_type, self.tun_if) - - 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() +class TemplateIpsecItf6(object): + """IPsec Interface IPv6""" - def config_sa_tun(self, p): - config_tun_params(p, self.encryption_type, self.tun_if) - - 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.tun_if.remote_addr[p.addr_type], - self.tun_if.local_addr[p.addr_type]) + encryption_type = ESP + tun6_encrypt_node_name = "esp6-encrypt-tun" + tun6_decrypt_node_name = ["esp6-decrypt-tun", "esp6-decrypt-tun-post"] + tun6_input_node = "ipsec6-tun-input" + + def config_sa_tun(self, p, src, dst): + config_tun_params(p, self.encryption_type, None, src, dst) + + if not hasattr(p, "tun_flags"): + p.tun_flags = None + if not hasattr(p, "hop_limit"): + p.hop_limit = 255 + + 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, + tun_flags=p.tun_flags, + hop_limit=p.hop_limit, + ) 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.tun_if.remote_addr[p.addr_type], - self.tun_if.local_addr[p.addr_type]) + 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 = 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 = VppIpIpTunInterface(self, self.pg0, - self.pg0.local_ip6, - self.pg0.remote_ip6) + 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() - p.route = VppIpRoute(self, p.remote_tun_if_host, 128, - [VppRoutePath(p.tun_if.remote_ip6, - 0xffffffff, - proto=DpoProto.DPO_PROTO_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): @@ -960,156 +3213,361 @@ class TemplateIpsec6TunProtect(object): p.tun_sa_in.remove_vpp_config() -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" +@tag_fixme_vpp_workers +class TestIpsecItf6(TemplateIpsec, TemplateIpsecItf6, IpsecTun6): + """IPsec Interface IPv6""" def setUp(self): - super(TestIpsec6TunProtect, self).setUp() + super(TestIpsecItf6, self).setUp() self.tun_if = self.pg0 def tearDown(self): - super(TestIpsec6TunProtect, self).tearDown() + super(TestIpsecItf6, self).tearDown() def test_tun_66(self): - """IPSEC tunnel protect""" + """IPSEC interface IPv6""" + tf = VppEnum.vl_api_tunnel_encap_decap_flags_t + n_pkts = 127 p = self.ipv6_params + p.inner_hop_limit = 24 + p.outer_hop_limit = 23 + p.outer_flow_label = 243224 + p.tun_flags = tf.TUNNEL_API_ENCAP_DECAP_FLAG_ENCAP_COPY_HOP_LIMIT self.config_network(p) - self.config_sa_tra(p) + config_tun_params( + p, self.encryption_type, None, self.pg0.local_ip6, self.pg0.remote_ip6 + ) + self.verify_drop_tun_66(p, count=n_pkts) + self.config_sa_tun(p, self.pg0.local_ip6, self.pg0.remote_ip6) 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) + self.verify_tun_66(p, count=n_pkts) + self.assertEqual(p.tun_if.get_rx_stats(), n_pkts) + self.assertEqual(p.tun_if.get_tx_stats(), 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) + + self.assertEqual(p.tun_if.get_rx_stats(), 3 * n_pkts) + self.assertEqual(p.tun_if.get_tx_stats(), 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) + self.assertEqual(p.tun_if.get_rx_stats(), 4 * n_pkts) + self.assertEqual(p.tun_if.get_tx_stats(), 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 = 'X' + p.crypt_key[1:] + 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) + np.inner_hop_limit = 24 + np.outer_hop_limit = 128 + np.inner_flow_label = 0xABCDE + np.outer_flow_label = 0xABCDE + np.hop_limit = 128 + np.tun_flags = tf.TUNNEL_API_ENCAP_DECAP_FLAG_ENCAP_COPY_FLOW_LABEL + + 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=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) - - # 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 = '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) + self.verify_tun_66(np, count=n_pkts) + self.assertEqual(p.tun_if.get_rx_stats(), n_pkts) + self.assertEqual(p.tun_if.get_tx_stats(), n_pkts) - # 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) + # teardown + self.unconfig_protect(np) + self.unconfig_sa(np) + self.unconfig_network(p) - # 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) + def test_tun_66_police(self): + """IPSEC interface IPv6 with input policer""" + tf = VppEnum.vl_api_tunnel_encap_decap_flags_t + n_pkts = 127 + p = self.ipv6_params + p.inner_hop_limit = 24 + p.outer_hop_limit = 23 + p.outer_flow_label = 243224 + p.tun_flags = tf.TUNNEL_API_ENCAP_DECAP_FLAG_ENCAP_COPY_HOP_LIMIT - # 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) + self.config_network(p) + self.config_sa_tun(p, self.pg0.local_ip6, self.pg0.remote_ip6) + self.config_protect(p) - c = p.tun_if.get_rx_stats() - self.assertEqual(c['packets'], 127*7) - c = p.tun_if.get_tx_stats() - self.assertEqual(c['packets'], 127*7) - self.unconfig_sa(np) + action_tx = PolicerAction( + VppEnum.vl_api_sse2_qos_action_type_t.SSE2_QOS_ACTION_API_TRANSMIT, 0 + ) + policer = VppPolicer( + self, + "pol1", + 80, + 0, + 1000, + 0, + conform_action=action_tx, + exceed_action=action_tx, + violate_action=action_tx, + ) + policer.add_vpp_config() + + # Start policing on tun + policer.apply_vpp_config(p.tun_if.sw_if_index, Dir.RX, True) + + self.verify_tun_66(p, count=n_pkts) + self.assertEqual(p.tun_if.get_rx_stats(), n_pkts) + self.assertEqual(p.tun_if.get_tx_stats(), n_pkts) + + stats = policer.get_stats() + + # Single rate, 2 colour policer - expect conform, violate but no exceed + self.assertGreater(stats["conform_packets"], 0) + self.assertEqual(stats["exceed_packets"], 0) + self.assertGreater(stats["violate_packets"], 0) + + # Stop policing on tun + policer.apply_vpp_config(p.tun_if.sw_if_index, Dir.RX, False) + self.verify_tun_66(p, count=n_pkts) + + # No new policer stats + statsnew = policer.get_stats() + self.assertEqual(stats, statsnew) # teardown - self.unconfig_protect(np3) - self.unconfig_sa(np3) + policer.remove_vpp_config() + self.unconfig_protect(p) + self.unconfig_sa(p) self.unconfig_network(p) -class TestIpsec6TunProtectTun(TemplateIpsec, - TemplateIpsec6TunProtect, - IpsecTun6): - """ IPsec IPv6 Tunnel protect - tunnel mode""" +class TestIpsecMIfEsp4(TemplateIpsec, IpsecTun4): + """Ipsec P2MP ESP v4 tests""" + tun4_encrypt_node_name = "esp4-encrypt-tun" + tun4_decrypt_node_name = ["esp4-decrypt-tun", "esp4-decrypt-tun-post"] encryption_type = ESP - tun6_encrypt_node_name = "esp6-encrypt-tun" - tun6_decrypt_node_name = "esp6-decrypt-tun" + + 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 + ) + self.assertEqual(rx[IP].ttl, p.hop_limit) + 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(TestIpsec6TunProtectTun, self).setUp() + 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() + + 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() + + # 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.hop_limit = ii + 10 + 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, + hop_limit=p.hop_limit, + ) + 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, + hop_limit=p.hop_limit, + ) + 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) + + p.via_tun_route = 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): - super(TestIpsec6TunProtectTun, self).tearDown() + 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) - def gen_encrypt_pkts6(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(IPv6(src=sw_intf.remote_ip6, - dst=sw_intf.local_ip6) / - IPv6(src=src, dst=dst) / - UDP(sport=1166, dport=2233) / - Raw('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('X' * payload_size) - for i in range(count)] + # remove one tunnel protect, the rest should still work + self.multi_params[0].tun_protect.remove_vpp_config() + self.verify_tun_dropped_44(self.multi_params[0], count=N_PKTS) + self.multi_params[0].via_tun_route.remove_vpp_config() + self.verify_tun_dropped_44(self.multi_params[0], count=N_PKTS) - 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) + for p in self.multi_params[1:]: + self.verify_tun_44(p, count=N_PKTS) + + self.multi_params[0].tun_protect.add_vpp_config() + self.multi_params[0].via_tun_route.add_vpp_config() + + 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 = IPv6(pkt[Raw].load) + pkt = IP(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) - + 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: @@ -1118,47 +3576,45 @@ class TestIpsec6TunProtectTun(TemplateIpsec, pass raise - def test_tun_66(self): - """IPSEC tunnel protect """ + 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) - self.config_sa_tun(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=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 = '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.verify_tun_66(p, count=n_pkts) - self.config_sa_tun(np) - self.config_protect(np) + # cleanup + p.tun_if.disable_mpls() + self.unconfig_protect(p) 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) -if __name__ == '__main__': +if __name__ == "__main__": unittest.main(testRunner=VppTestRunner)