X-Git-Url: https://gerrit.fd.io/r/gitweb?p=vpp.git;a=blobdiff_plain;f=test%2Ftest_ipsec_tun_if_esp.py;h=5bcd9ddfae0918a3c1007654b00cbfd577b74b24;hp=589fb10d740f964808c6fb56d86b17114e1d0308;hb=4a58e49cf;hpb=abde62fb83ebd0e0e1204fc77affe909fc95ba51 diff --git a/test/test_ipsec_tun_if_esp.py b/test/test_ipsec_tun_if_esp.py index 589fb10d740..5bcd9ddfae0 100644 --- a/test/test_ipsec_tun_if_esp.py +++ b/test/test_ipsec_tun_if_esp.py @@ -3,50 +3,176 @@ import socket import copy from scapy.layers.ipsec import SecurityAssociation, ESP -from scapy.layers.l2 import Ether, Raw, GRE +from scapy.layers.l2 import Ether, GRE, Dot1Q +from scapy.packet import Raw from scapy.layers.inet import IP, UDP from scapy.layers.inet6 import IPv6 +from scapy.contrib.mpls import MPLS from framework import VppTestRunner from template_ipsec import TemplateIpsec, IpsecTun4Tests, IpsecTun6Tests, \ - IpsecTun4, IpsecTun6, IpsecTcpTests, mk_scapy_crypt_key -from vpp_ipsec_tun_interface import VppIpsecTunInterface + 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 -def config_tun_params(p, encryption_type, tun_if): +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} - use_esn = bool(p.flags & (VppEnum.vl_api_ipsec_sad_flags_t. - IPSEC_API_SAD_FLAG_USE_ESN)) + 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 + 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=tun_if.remote_ip, - dst=tun_if.local_ip), + src=p.tun_dst, + dst=p.tun_src), nat_t_header=p.nat_header, - use_esn=use_esn) + 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=tun_if.remote_ip, - src=tun_if.local_ip), + dst=p.tun_dst, + src=p.tun_src), nat_t_header=p.nat_header, - use_esn=use_esn) + 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 + 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=p.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 TemplateIpsec4TunProtect(object): + """ IPsec IPv4 Tunnel protect """ + + encryption_type = ESP + tun4_encrypt_node_name = "esp4-encrypt-tun" + tun4_decrypt_node_name = "esp4-decrypt-tun" + tun4_input_node = "ipsec4-tun-input" + + def config_sa_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(TemplateIpsec): +class TemplateIpsec4TunIfEsp(TemplateIpsec4TunProtect, + TemplateIpsec): """ IPsec tunnel interface tests """ encryption_type = ESP @@ -66,32 +192,16 @@ 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() - config_tun_params(p, self.encryption_type, p.tun_if) - - 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(TemplateIpsec): +class TemplateIpsec4TunIfEspUdp(TemplateIpsec4TunProtect, + TemplateIpsec): """ IPsec UDP tunnel interface tests """ tun4_encrypt_node_name = "esp4-encrypt-tun" @@ -106,36 +216,64 @@ class TemplateIpsec4TunIfEspUdp(TemplateIpsec): 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() - 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=5454, dport=4500) - 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, udp_encap=True) - p.tun_if.add_vpp_config() - p.tun_if.admin_up() - p.tun_if.config_ip4() - p.tun_if.config_ip6() - config_tun_params(p, self.encryption_type, p.tun_if) + self.tun_if = self.pg0 - 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(TemplateIpsec4TunIfEspUdp, self).tearDown() @@ -177,69 +315,170 @@ class TestIpsec4TunIfEspUdp(TemplateIpsec4TunIfEspUdp, IpsecTun4Tests): 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 """ pass -class TemplateIpsec6TunIfEsp(TemplateIpsec): - """ IPsec tunnel interface tests """ +class TemplateIpsec6TunProtect(object): + """ IPsec IPv6 Tunnel protect """ - encryption_type = ESP + def config_sa_tra(self, p): + config_tun_params(p, self.encryption_type, p.tun_if) - def setUp(self): - super(TemplateIpsec6TunIfEsp, self).setUp() + 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() - self.tun_if = self.pg0 + 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 = self.ipv6_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, is_ip6=True) + 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() - config_tun_params(p, self.encryption_type, p.tun_if) - 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() + 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 tearDown(self): - super(TemplateIpsec6TunIfEsp, self).tearDown() + 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() -class TestIpsec6TunIfEsp1(TemplateIpsec6TunIfEsp, IpsecTun6Tests): - """ Ipsec ESP - TUN tests """ - tun6_encrypt_node_name = "esp6-encrypt-tun" - tun6_decrypt_node_name = "esp6-decrypt-tun" + def unconfig_sa(self, p): + p.tun_sa_out.remove_vpp_config() + p.tun_sa_in.remove_vpp_config() - def test_tun_basic46(self): - """ 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 = "esp6-encrypt-tun" - self.verify_tun_46(self.params[socket.AF_INET6], count=257) +class TemplateIpsec6TunIfEsp(TemplateIpsec6TunProtect, + TemplateIpsec): + """ IPsec tunnel interface tests """ + + encryption_type = ESP + + def setUp(self): + super(TemplateIpsec6TunIfEsp, self).setUp() + + self.tun_if = self.pg0 + + p = self.ipv6_params + 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 """ + tun6_encrypt_node_name = "esp6-encrypt-tun" + tun6_decrypt_node_name = "esp6-decrypt-tun" + + def test_tun_basic46(self): + """ 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 = "esp6-encrypt-tun" + self.verify_tun_46(self.params[socket.AF_INET6], count=257) + +class TestIpsec6TunIfEspHandoff(TemplateIpsec6TunIfEsp, + IpsecTun6HandoffTests): + """ Ipsec ESP 6 Handoff tests """ + tun6_encrypt_node_name = "esp6-encrypt-tun" + tun6_decrypt_node_name = "esp6-decrypt-tun" + + +class TestIpsec4TunIfEspHandoff(TemplateIpsec4TunIfEsp, + IpsecTun4HandoffTests): + """ Ipsec ESP 4 Handoff tests """ + tun4_encrypt_node_name = "esp4-encrypt-tun" + tun4_decrypt_node_name = "esp4-decrypt-tun" -class TestIpsec4MultiTunIfEsp(TemplateIpsec, IpsecTun4): + +class TestIpsec4MultiTunIfEsp(TemplateIpsec4TunProtect, + TemplateIpsec, + IpsecTun4): """ IPsec IPv4 Multi Tunnel interface """ encryption_type = ESP @@ -268,23 +507,12 @@ 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 - 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, - dst=self.pg0.remote_hosts[ii].ip4) - p.tun_if.add_vpp_config() - p.tun_if.admin_up() - p.tun_if.config_ip4() - config_tun_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_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() @@ -298,52 +526,60 @@ class TestIpsec4MultiTunIfEsp(TemplateIpsec, IpsecTun4): c = p.tun_if.get_tx_stats() self.assertEqual(c['packets'], 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) -class TestIpsec4TunIfEspAll(TemplateIpsec, IpsecTun4): - """ IPsec IPv4 Tunnel interface all Algos """ + for rx, p in zip(rxs, self.multi_params): + self.verify_decrypted(p, [rx]) - encryption_type = ESP - tun4_encrypt_node_name = "esp4-encrypt-tun" - tun4_decrypt_node_name = "esp4-decrypt-tun" + 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) - def config_network(self, p): + for rx, p in zip(rxs, self.multi_params): + self.verify_encrypted(p, p.vpp_tun_sa, [rx]) - 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() - config_tun_params(p, self.encryption_type, p.tun_if) - 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" 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 # + np = copy.copy(p) p.crypt_key = b'X' + p.crypt_key[1:] p.scapy_tun_spi += 1 p.scapy_tun_sa_id += 1 @@ -354,19 +590,9 @@ class TestIpsec4TunIfEspAll(TemplateIpsec, IpsecTun4): config_tun_params(p, self.encryption_type, p.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, - flags=p.flags, - salt=p.salt) p.tun_sa_out = VppIpsecSA(self, - p.vpp_tun_sa_id, - p.vpp_tun_spi, + p.scapy_tun_sa_id, + p.scapy_tun_spi, p.auth_algo_vpp_id, p.auth_key, p.crypt_algo_vpp_id, @@ -374,15 +600,22 @@ class TestIpsec4TunIfEspAll(TemplateIpsec, IpsecTun4): 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): @@ -427,17 +660,17 @@ class TestIpsec4TunIfEspAll(TemplateIpsec, IpsecTun4): {'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), + IPSEC_API_INTEG_ALG_SHA_512_256), 'scapy-crypto': "AES-CBC", - 'scapy-integ': "HMAC-SHA1-96", + '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_SHA1_96), + IPSEC_API_INTEG_ALG_SHA_256_128), 'scapy-crypto': "AES-CBC", - 'scapy-integ': "HMAC-SHA1-96", + 'scapy-integ': "SHA2-256-128", 'salt': 0, 'key': b"JPjyOWBeVEQiMe7hJPjyOWBeVEQiMe7h"}, {'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t. @@ -458,7 +691,7 @@ class TestIpsec4TunIfEspAll(TemplateIpsec, IpsecTun4): for algo in algos: # with self.subTest(algo=algo['scapy']): - p = copy.copy(self.ipv4_params) + 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'] @@ -466,26 +699,60 @@ class TestIpsec4TunIfEspAll(TemplateIpsec, IpsecTun4): 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) - # # rekey the tunnel # 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" + + 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): +class TestIpsec6MultiTunIfEsp(TemplateIpsec6TunProtect, + TemplateIpsec, + IpsecTun6): """ IPsec IPv6 Multi Tunnel interface """ encryption_type = ESP @@ -514,25 +781,12 @@ 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 - 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, - dst=self.pg0.remote_hosts[ii].ip6) - p.tun_if.add_vpp_config() - p.tun_if.admin_up() - p.tun_if.config_ip6() - config_tun_params(p, self.encryption_type, p.tun_if) self.multi_params.append(p) - - 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() @@ -555,7 +809,7 @@ class TestIpsecGreTebIfEsp(TemplateIpsec, encryption_type = ESP omac = "00:11:22:33:44:55" - def gen_encrypt_pkts(self, sa, sw_intf, src, dst, count=1, + 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, @@ -649,6 +903,8 @@ class TestIpsecGreTebIfEsp(TemplateIpsec, 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): p = self.ipv4_params @@ -656,28 +912,30 @@ class TestIpsecGreTebIfEsp(TemplateIpsec, 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" encryption_type = ESP + omac = "00:11:22:33:44:55" - def gen_encrypt_pkts(self, sa, sw_intf, src, dst, count=1, + 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) / + 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(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + 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) @@ -685,8 +943,9 @@ class TestIpsecGreIfEsp(TemplateIpsec, 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: @@ -698,7 +957,9 @@ 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)) @@ -709,7 +970,7 @@ class TestIpsecGreIfEsp(TemplateIpsec, raise def setUp(self): - super(TestIpsecGreIfEsp, self).setUp() + super(TestIpsecGreTebVlanIfEsp, self).setUp() self.tun_if = self.pg0 @@ -718,6 +979,12 @@ class TestIpsecGreIfEsp(TemplateIpsec, bd1 = VppBridgeDomain(self, 1) bd1.add_vpp_config() + 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, @@ -736,51 +1003,58 @@ class TestIpsecGreIfEsp(TemplateIpsec, p.tun_if = VppGreInterface(self, self.pg0.local_ip4, - self.pg0.remote_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_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() + VppBridgeDomainPort(self, bd1, p.tun_if).add_vpp_config() + VppBridgeDomainPort(self, bd1, self.pg1_11).add_vpp_config() + + self.vapi.cli("clear ipsec sa") def tearDown(self): p = self.ipv4_params p.tun_if.unconfig_ip4() - super(TestIpsecGreIfEsp, self).tearDown() + super(TestIpsecGreTebVlanIfEsp, self).tearDown() + self.pg1_11.admin_down() + self.pg1_11.remove_vpp_config() -class TestIpsecGreIfEspTra(TemplateIpsec, - IpsecTun4Tests): - """ Ipsec GRE ESP - TRA tests """ +class TestIpsecGreTebIfEspTra(TemplateIpsec, + IpsecTun4Tests): + """ Ipsec GRE TEB ESP - Tra tests """ tun4_encrypt_node_name = "esp4-encrypt-tun" tun4_decrypt_node_name = "esp4-decrypt-tun" encryption_type = ESP + omac = "00:11:22:33:44:55" - def gen_encrypt_pkts(self, sa, sw_intf, src, dst, count=1, + 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) / + 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(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + 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) @@ -788,8 +1062,8 @@ class TestIpsecGreIfEspTra(TemplateIpsec, 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[IP].dst, "1.1.1.2") def verify_encrypted(self, p, sa, rxs): for rx in rxs: @@ -798,8 +1072,11 @@ class TestIpsecGreIfEspTra(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) self.assertTrue(pkt.haslayer(GRE)) - e = pkt[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)) @@ -810,7 +1087,7 @@ class TestIpsecGreIfEspTra(TemplateIpsec, raise def setUp(self): - super(TestIpsecGreIfEspTra, self).setUp() + super(TestIpsecGreTebIfEspTra, self).setUp() self.tun_if = self.pg0 @@ -833,73 +1110,1309 @@ class TestIpsecGreIfEspTra(TemplateIpsec, p.tun_if = VppGreInterface(self, self.pg0.local_ip4, - self.pg0.remote_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_tun_params(p, self.encryption_type, p.tun_if) + 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() + 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(TestIpsecGreIfEspTra, self).tearDown() - + super(TestIpsecGreTebIfEspTra, self).tearDown() -class TemplateIpsec4TunProtect(object): - """ IPsec IPv4 Tunnel protect """ - encryption_type = ESP +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" - 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() + 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, - flags=p.flags) - 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 config_sa_tun(self, p): - config_tun_params(p, self.encryption_type, p.tun_if) + 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)] - 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], - flags=p.flags) - p.tun_sa_out.add_vpp_config() + 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") - 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) + def verify_encrypted(self, p, sa, rxs): + for rx in rxs: + self.assertTrue(rx.haslayer(UDP)) + self.assertEqual(rx[UDP].dport, 4545) + self.assertEqual(rx[UDP].sport, 5454) + try: + pkt = sa.decrypt(rx[IP]) + if not pkt.haslayer(IP): + pkt = IP(pkt[Raw].load) + self.assert_packet_checksums_valid(pkt) + self.assert_equal(pkt[IP].dst, self.pg0.remote_ip4) + self.assert_equal(pkt[IP].src, self.pg0.local_ip4) + self.assertTrue(pkt.haslayer(GRE)) + e = pkt[Ether] + self.assertEqual(e[Ether].dst, self.omac) + self.assertEqual(e[IP].dst, "1.1.1.2") + except (IndexError, AssertionError): + self.logger.debug(ppp("Unexpected packet:", rx)) + try: + self.logger.debug(ppp("Decrypted packet:", pkt)) + except: + pass + raise + + def setUp(self): + super(TestIpsecGreTebUdpIfEspTra, self).setUp() + + self.tun_if = self.pg0 + + p = self.ipv4_params + p = self.ipv4_params + p.flags = (VppEnum.vl_api_ipsec_sad_flags_t. + IPSEC_API_SAD_FLAG_UDP_ENCAP) + p.nat_header = UDP(sport=5454, dport=4545) + + bd1 = VppBridgeDomain(self, 1) + bd1.add_vpp_config() + + p.tun_sa_out = VppIpsecSA(self, p.scapy_tun_sa_id, p.scapy_tun_spi, + p.auth_algo_vpp_id, p.auth_key, + p.crypt_algo_vpp_id, p.crypt_key, + self.vpp_esp_protocol, + flags=p.flags, + udp_src=5454, + udp_dst=4545) + p.tun_sa_out.add_vpp_config() + + p.tun_sa_in = VppIpsecSA(self, p.vpp_tun_sa_id, p.vpp_tun_spi, + p.auth_algo_vpp_id, p.auth_key, + p.crypt_algo_vpp_id, p.crypt_key, + self.vpp_esp_protocol, + flags=(p.flags | + VppEnum.vl_api_ipsec_sad_flags_t. + IPSEC_API_SAD_FLAG_IS_INBOUND), + udp_src=5454, + udp_dst=4545) + p.tun_sa_in.add_vpp_config() + + p.tun_if = VppGreInterface(self, + self.pg0.local_ip4, + self.pg0.remote_ip4, + type=(VppEnum.vl_api_gre_tunnel_type_t. + GRE_API_TUNNEL_TYPE_TEB)) + p.tun_if.add_vpp_config() + + p.tun_protect = VppIpsecTunProtect(self, + p.tun_if, + p.tun_sa_out, + [p.tun_sa_in]) + + p.tun_protect.add_vpp_config() + + p.tun_if.admin_up() + p.tun_if.config_ip4() + config_tra_params(p, self.encryption_type, p.tun_if) + + VppBridgeDomainPort(self, bd1, p.tun_if).add_vpp_config() + VppBridgeDomainPort(self, bd1, self.pg1).add_vpp_config() + + self.vapi.cli("clear ipsec sa") + self.logger.info(self.vapi.cli("sh ipsec sa 0")) + + def tearDown(self): + p = self.ipv4_params + p.tun_if.unconfig_ip4() + super(TestIpsecGreTebUdpIfEspTra, self).tearDown() + + +class TestIpsecGreIfEsp(TemplateIpsec, + IpsecTun4Tests): + """ Ipsec GRE ESP - TUN tests """ + tun4_encrypt_node_name = "esp4-encrypt-tun" + tun4_decrypt_node_name = "esp4-decrypt-tun" + encryption_type = ESP + + def gen_encrypt_pkts(self, p, sa, sw_intf, src, dst, count=1, + payload_size=100): + return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + sa.encrypt(IP(src=self.pg0.remote_ip4, + dst=self.pg0.local_ip4) / + GRE() / + IP(src=self.pg1.local_ip4, + dst=self.pg1.remote_ip4) / + UDP(sport=1144, dport=2233) / + Raw(b'X' * payload_size)) + for i in range(count)] + + def gen_pkts(self, sw_intf, src, dst, count=1, + payload_size=100): + return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + IP(src="1.1.1.1", dst="1.1.1.2") / + UDP(sport=1144, dport=2233) / + Raw(b'X' * payload_size) + for i in range(count)] + + def verify_decrypted(self, p, rxs): + for rx in rxs: + self.assert_equal(rx[Ether].dst, self.pg1.remote_mac) + self.assert_equal(rx[IP].dst, self.pg1.remote_ip4) + + def verify_encrypted(self, p, sa, rxs): + for rx in rxs: + try: + pkt = sa.decrypt(rx[IP]) + if not pkt.haslayer(IP): + pkt = IP(pkt[Raw].load) + self.assert_packet_checksums_valid(pkt) + self.assert_equal(pkt[IP].dst, self.pg0.remote_ip4) + self.assert_equal(pkt[IP].src, self.pg0.local_ip4) + self.assertTrue(pkt.haslayer(GRE)) + e = pkt[GRE] + self.assertEqual(e[IP].dst, "1.1.1.2") + except (IndexError, AssertionError): + self.logger.debug(ppp("Unexpected packet:", rx)) + try: + self.logger.debug(ppp("Decrypted packet:", pkt)) + except: + pass + raise + + def setUp(self): + super(TestIpsecGreIfEsp, self).setUp() + + self.tun_if = self.pg0 + + p = self.ipv4_params + + bd1 = VppBridgeDomain(self, 1) + bd1.add_vpp_config() + + p.tun_sa_out = VppIpsecSA(self, p.scapy_tun_sa_id, p.scapy_tun_spi, + p.auth_algo_vpp_id, p.auth_key, + p.crypt_algo_vpp_id, p.crypt_key, + self.vpp_esp_protocol, + self.pg0.local_ip4, + self.pg0.remote_ip4) + p.tun_sa_out.add_vpp_config() + + p.tun_sa_in = VppIpsecSA(self, p.vpp_tun_sa_id, p.vpp_tun_spi, + p.auth_algo_vpp_id, p.auth_key, + p.crypt_algo_vpp_id, p.crypt_key, + self.vpp_esp_protocol, + self.pg0.remote_ip4, + self.pg0.local_ip4) + p.tun_sa_in.add_vpp_config() + + p.tun_if = VppGreInterface(self, + self.pg0.local_ip4, + self.pg0.remote_ip4) + p.tun_if.add_vpp_config() + + p.tun_protect = VppIpsecTunProtect(self, + p.tun_if, + p.tun_sa_out, + [p.tun_sa_in]) + p.tun_protect.add_vpp_config() + + p.tun_if.admin_up() + p.tun_if.config_ip4() + config_tun_params(p, self.encryption_type, p.tun_if) + + VppIpRoute(self, "1.1.1.2", 32, + [VppRoutePath(p.tun_if.remote_ip4, + 0xffffffff)]).add_vpp_config() + + def tearDown(self): + p = self.ipv4_params + p.tun_if.unconfig_ip4() + super(TestIpsecGreIfEsp, self).tearDown() + + +class TestIpsecGreIfEspTra(TemplateIpsec, + IpsecTun4Tests): + """ Ipsec GRE ESP - TRA tests """ + tun4_encrypt_node_name = "esp4-encrypt-tun" + tun4_decrypt_node_name = "esp4-decrypt-tun" + encryption_type = ESP + + def gen_encrypt_pkts(self, p, sa, sw_intf, src, dst, count=1, + payload_size=100): + return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + sa.encrypt(IP(src=self.pg0.remote_ip4, + dst=self.pg0.local_ip4) / + GRE() / + IP(src=self.pg1.local_ip4, + dst=self.pg1.remote_ip4) / + UDP(sport=1144, dport=2233) / + Raw(b'X' * payload_size)) + for i in range(count)] + + def gen_encrypt_non_ip_pkts(self, sa, sw_intf, src, dst, count=1, + payload_size=100): + return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + sa.encrypt(IP(src=self.pg0.remote_ip4, + dst=self.pg0.local_ip4) / + GRE() / + UDP(sport=1144, dport=2233) / + Raw(b'X' * payload_size)) + for i in range(count)] + + def gen_pkts(self, sw_intf, src, dst, count=1, + payload_size=100): + return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + IP(src="1.1.1.1", dst="1.1.1.2") / + UDP(sport=1144, dport=2233) / + Raw(b'X' * payload_size) + for i in range(count)] + + def verify_decrypted(self, p, rxs): + for rx in rxs: + self.assert_equal(rx[Ether].dst, self.pg1.remote_mac) + self.assert_equal(rx[IP].dst, self.pg1.remote_ip4) + + def verify_encrypted(self, p, sa, rxs): + for rx in rxs: + try: + pkt = sa.decrypt(rx[IP]) + if not pkt.haslayer(IP): + pkt = IP(pkt[Raw].load) + self.assert_packet_checksums_valid(pkt) + self.assertTrue(pkt.haslayer(GRE)) + e = pkt[GRE] + self.assertEqual(e[IP].dst, "1.1.1.2") + except (IndexError, AssertionError): + self.logger.debug(ppp("Unexpected packet:", rx)) + try: + self.logger.debug(ppp("Decrypted packet:", pkt)) + except: + pass + raise + + def setUp(self): + super(TestIpsecGreIfEspTra, self).setUp() + + self.tun_if = self.pg0 + + p = self.ipv4_params + + p.tun_sa_out = VppIpsecSA(self, p.scapy_tun_sa_id, p.scapy_tun_spi, + p.auth_algo_vpp_id, p.auth_key, + p.crypt_algo_vpp_id, p.crypt_key, + self.vpp_esp_protocol) + p.tun_sa_out.add_vpp_config() + + p.tun_sa_in = VppIpsecSA(self, p.vpp_tun_sa_id, p.vpp_tun_spi, + p.auth_algo_vpp_id, p.auth_key, + p.crypt_algo_vpp_id, p.crypt_key, + self.vpp_esp_protocol) + p.tun_sa_in.add_vpp_config() + + p.tun_if = VppGreInterface(self, + self.pg0.local_ip4, + self.pg0.remote_ip4) + p.tun_if.add_vpp_config() + + p.tun_protect = VppIpsecTunProtect(self, + p.tun_if, + p.tun_sa_out, + [p.tun_sa_in]) + p.tun_protect.add_vpp_config() + + p.tun_if.admin_up() + p.tun_if.config_ip4() + config_tra_params(p, self.encryption_type, p.tun_if) + + VppIpRoute(self, "1.1.1.2", 32, + [VppRoutePath(p.tun_if.remote_ip4, + 0xffffffff)]).add_vpp_config() + + def tearDown(self): + p = self.ipv4_params + p.tun_if.unconfig_ip4() + super(TestIpsecGreIfEspTra, self).tearDown() + + def test_gre_non_ip(self): + p = self.ipv4_params + tx = self.gen_encrypt_non_ip_pkts(p.scapy_tun_sa, self.tun_if, + src=p.remote_tun_if_host, + dst=self.pg1.remote_ip6) + self.send_and_assert_no_replies(self.tun_if, tx) + node_name = ('/err/%s/unsupported payload' % + self.tun4_decrypt_node_name) + self.assertEqual(1, self.statistics.get_err_counter(node_name)) + + +class TestIpsecGre6IfEspTra(TemplateIpsec, + IpsecTun6Tests): + """ Ipsec GRE ESP - TRA tests """ + tun6_encrypt_node_name = "esp6-encrypt-tun" + tun6_decrypt_node_name = "esp6-decrypt-tun" + encryption_type = ESP + + def gen_encrypt_pkts6(self, p, sa, sw_intf, src, dst, count=1, + payload_size=100): + return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + sa.encrypt(IPv6(src=self.pg0.remote_ip6, + dst=self.pg0.local_ip6) / + GRE() / + IPv6(src=self.pg1.local_ip6, + dst=self.pg1.remote_ip6) / + UDP(sport=1144, dport=2233) / + Raw(b'X' * payload_size)) + for i in range(count)] + + def gen_pkts6(self, sw_intf, src, dst, count=1, + payload_size=100): + return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + IPv6(src="1::1", dst="1::2") / + UDP(sport=1144, dport=2233) / + Raw(b'X' * payload_size) + for i in range(count)] + + def verify_decrypted6(self, p, rxs): + for rx in rxs: + self.assert_equal(rx[Ether].dst, self.pg1.remote_mac) + self.assert_equal(rx[IPv6].dst, self.pg1.remote_ip6) + + def verify_encrypted6(self, p, sa, rxs): + for rx in rxs: + try: + pkt = sa.decrypt(rx[IPv6]) + if not pkt.haslayer(IPv6): + pkt = IPv6(pkt[Raw].load) + self.assert_packet_checksums_valid(pkt) + self.assertTrue(pkt.haslayer(GRE)) + e = pkt[GRE] + self.assertEqual(e[IPv6].dst, "1::2") + except (IndexError, AssertionError): + self.logger.debug(ppp("Unexpected packet:", rx)) + try: + self.logger.debug(ppp("Decrypted packet:", pkt)) + except: + pass + raise + + def setUp(self): + super(TestIpsecGre6IfEspTra, self).setUp() + + self.tun_if = self.pg0 + + p = self.ipv6_params + + bd1 = VppBridgeDomain(self, 1) + bd1.add_vpp_config() + + p.tun_sa_out = VppIpsecSA(self, p.scapy_tun_sa_id, p.scapy_tun_spi, + p.auth_algo_vpp_id, p.auth_key, + p.crypt_algo_vpp_id, p.crypt_key, + self.vpp_esp_protocol) + p.tun_sa_out.add_vpp_config() + + p.tun_sa_in = VppIpsecSA(self, p.vpp_tun_sa_id, p.vpp_tun_spi, + p.auth_algo_vpp_id, p.auth_key, + p.crypt_algo_vpp_id, p.crypt_key, + self.vpp_esp_protocol) + p.tun_sa_in.add_vpp_config() + + p.tun_if = VppGreInterface(self, + self.pg0.local_ip6, + self.pg0.remote_ip6) + p.tun_if.add_vpp_config() + + p.tun_protect = VppIpsecTunProtect(self, + p.tun_if, + p.tun_sa_out, + [p.tun_sa_in]) + p.tun_protect.add_vpp_config() + + p.tun_if.admin_up() + p.tun_if.config_ip6() + config_tra_params(p, self.encryption_type, p.tun_if) + + r = VppIpRoute(self, "1::2", 128, + [VppRoutePath(p.tun_if.remote_ip6, + 0xffffffff, + proto=DpoProto.DPO_PROTO_IP6)]) + r.add_vpp_config() + + def tearDown(self): + p = self.ipv6_params + p.tun_if.unconfig_ip6() + super(TestIpsecGre6IfEspTra, self).tearDown() + + +class TestIpsecMGreIfEspTra4(TemplateIpsec, IpsecTun4): + """ Ipsec mGRE ESP v4 TRA tests """ + tun4_encrypt_node_name = "esp4-encrypt-tun" + tun4_decrypt_node_name = "esp4-decrypt-tun" + encryption_type = ESP + + def gen_encrypt_pkts(self, p, sa, sw_intf, src, dst, count=1, + payload_size=100): + return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + sa.encrypt(IP(src=p.tun_dst, + dst=self.pg0.local_ip4) / + GRE() / + IP(src=self.pg1.local_ip4, + dst=self.pg1.remote_ip4) / + UDP(sport=1144, dport=2233) / + Raw(b'X' * payload_size)) + for i in range(count)] + + def gen_pkts(self, sw_intf, src, dst, count=1, + payload_size=100): + return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + IP(src="1.1.1.1", dst=dst) / + UDP(sport=1144, dport=2233) / + Raw(b'X' * payload_size) + for i in range(count)] + + def verify_decrypted(self, p, rxs): + for rx in rxs: + self.assert_equal(rx[Ether].dst, self.pg1.remote_mac) + self.assert_equal(rx[IP].dst, self.pg1.remote_ip4) + + def verify_encrypted(self, p, sa, rxs): + for rx in rxs: + try: + pkt = sa.decrypt(rx[IP]) + if not pkt.haslayer(IP): + pkt = IP(pkt[Raw].load) + self.assert_packet_checksums_valid(pkt) + self.assertTrue(pkt.haslayer(GRE)) + e = pkt[GRE] + self.assertEqual(e[IP].dst, p.remote_tun_if_host) + except (IndexError, AssertionError): + self.logger.debug(ppp("Unexpected packet:", rx)) + try: + self.logger.debug(ppp("Decrypted packet:", pkt)) + except: + pass + raise + + def setUp(self): + super(TestIpsecMGreIfEspTra4, self).setUp() + + N_NHS = 16 + self.tun_if = self.pg0 + p = self.ipv4_params + p.tun_if = VppGreInterface(self, + self.pg0.local_ip4, + "0.0.0.0", + mode=(VppEnum.vl_api_tunnel_mode_t. + TUNNEL_API_MODE_MP)) + p.tun_if.add_vpp_config() + p.tun_if.admin_up() + p.tun_if.config_ip4() + p.tun_if.generate_remote_hosts(N_NHS) + self.pg0.generate_remote_hosts(N_NHS) + self.pg0.configure_ipv4_neighbors() + + # setup some SAs for several next-hops on the interface + self.multi_params = [] + + for ii in range(N_NHS): + p = copy.copy(self.ipv4_params) + + p.remote_tun_if_host = "1.1.1.%d" % (ii + 1) + p.scapy_tun_sa_id = p.scapy_tun_sa_id + ii + p.scapy_tun_spi = p.scapy_tun_spi + ii + p.vpp_tun_sa_id = p.vpp_tun_sa_id + ii + p.vpp_tun_spi = p.vpp_tun_spi + ii + + p.scapy_tra_sa_id = p.scapy_tra_sa_id + ii + p.scapy_tra_spi = p.scapy_tra_spi + ii + p.vpp_tra_sa_id = p.vpp_tra_sa_id + ii + p.vpp_tra_spi = p.vpp_tra_spi + ii + p.tun_sa_out = VppIpsecSA(self, p.scapy_tun_sa_id, p.scapy_tun_spi, + p.auth_algo_vpp_id, p.auth_key, + p.crypt_algo_vpp_id, p.crypt_key, + self.vpp_esp_protocol) + p.tun_sa_out.add_vpp_config() + + p.tun_sa_in = VppIpsecSA(self, p.vpp_tun_sa_id, p.vpp_tun_spi, + p.auth_algo_vpp_id, p.auth_key, + p.crypt_algo_vpp_id, p.crypt_key, + self.vpp_esp_protocol) + p.tun_sa_in.add_vpp_config() + + p.tun_protect = VppIpsecTunProtect( + self, + p.tun_if, + p.tun_sa_out, + [p.tun_sa_in], + nh=p.tun_if.remote_hosts[ii].ip4) + p.tun_protect.add_vpp_config() + config_tra_params(p, self.encryption_type, p.tun_if) + self.multi_params.append(p) + + VppIpRoute(self, p.remote_tun_if_host, 32, + [VppRoutePath(p.tun_if.remote_hosts[ii].ip4, + p.tun_if.sw_if_index)]).add_vpp_config() + + # in this v4 variant add the teibs after the protect + p.teib = VppTeib(self, p.tun_if, + p.tun_if.remote_hosts[ii].ip4, + self.pg0.remote_hosts[ii].ip4).add_vpp_config() + p.tun_dst = self.pg0.remote_hosts[ii].ip4 + self.logger.info(self.vapi.cli("sh ipsec protect-hash")) + + def tearDown(self): + p = self.ipv4_params + p.tun_if.unconfig_ip4() + super(TestIpsecMGreIfEspTra4, self).tearDown() + + def test_tun_44(self): + """mGRE IPSEC 44""" + N_PKTS = 63 + for p in self.multi_params: + self.verify_tun_44(p, count=N_PKTS) + p.teib.remove_vpp_config() + self.verify_tun_dropped_44(p, count=N_PKTS) + p.teib.add_vpp_config() + self.verify_tun_44(p, count=N_PKTS) + + +class TestIpsecMGreIfEspTra6(TemplateIpsec, IpsecTun6): + """ Ipsec mGRE ESP v6 TRA tests """ + tun6_encrypt_node_name = "esp6-encrypt-tun" + tun6_decrypt_node_name = "esp6-decrypt-tun" + encryption_type = ESP + + def gen_encrypt_pkts6(self, p, sa, sw_intf, src, dst, count=1, + payload_size=100): + return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + sa.encrypt(IPv6(src=p.tun_dst, + dst=self.pg0.local_ip6) / + GRE() / + IPv6(src=self.pg1.local_ip6, + dst=self.pg1.remote_ip6) / + UDP(sport=1144, dport=2233) / + Raw(b'X' * payload_size)) + for i in range(count)] + + def gen_pkts6(self, sw_intf, src, dst, count=1, + payload_size=100): + return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + IPv6(src="1::1", dst=dst) / + UDP(sport=1144, dport=2233) / + Raw(b'X' * payload_size) + for i in range(count)] + + def verify_decrypted6(self, p, rxs): + for rx in rxs: + self.assert_equal(rx[Ether].dst, self.pg1.remote_mac) + self.assert_equal(rx[IPv6].dst, self.pg1.remote_ip6) + + def verify_encrypted6(self, p, sa, rxs): + for rx in rxs: + try: + pkt = sa.decrypt(rx[IPv6]) + if not pkt.haslayer(IPv6): + pkt = IPv6(pkt[Raw].load) + self.assert_packet_checksums_valid(pkt) + self.assertTrue(pkt.haslayer(GRE)) + e = pkt[GRE] + self.assertEqual(e[IPv6].dst, p.remote_tun_if_host) + except (IndexError, AssertionError): + self.logger.debug(ppp("Unexpected packet:", rx)) + try: + self.logger.debug(ppp("Decrypted packet:", pkt)) + except: + pass + raise + + def setUp(self): + super(TestIpsecMGreIfEspTra6, self).setUp() + + self.vapi.cli("set logging class ipsec level debug") + + N_NHS = 16 + self.tun_if = self.pg0 + p = self.ipv6_params + p.tun_if = VppGreInterface(self, + self.pg0.local_ip6, + "::", + mode=(VppEnum.vl_api_tunnel_mode_t. + TUNNEL_API_MODE_MP)) + p.tun_if.add_vpp_config() + p.tun_if.admin_up() + p.tun_if.config_ip6() + p.tun_if.generate_remote_hosts(N_NHS) + self.pg0.generate_remote_hosts(N_NHS) + self.pg0.configure_ipv6_neighbors() + + # setup some SAs for several next-hops on the interface + self.multi_params = [] + + for ii in range(N_NHS): + p = copy.copy(self.ipv6_params) + + p.remote_tun_if_host = "1::%d" % (ii + 1) + p.scapy_tun_sa_id = p.scapy_tun_sa_id + ii + p.scapy_tun_spi = p.scapy_tun_spi + ii + p.vpp_tun_sa_id = p.vpp_tun_sa_id + ii + p.vpp_tun_spi = p.vpp_tun_spi + ii + + p.scapy_tra_sa_id = p.scapy_tra_sa_id + ii + p.scapy_tra_spi = p.scapy_tra_spi + ii + p.vpp_tra_sa_id = p.vpp_tra_sa_id + ii + p.vpp_tra_spi = p.vpp_tra_spi + ii + p.tun_sa_out = VppIpsecSA(self, p.scapy_tun_sa_id, p.scapy_tun_spi, + p.auth_algo_vpp_id, p.auth_key, + p.crypt_algo_vpp_id, p.crypt_key, + self.vpp_esp_protocol) + p.tun_sa_out.add_vpp_config() + + p.tun_sa_in = VppIpsecSA(self, p.vpp_tun_sa_id, p.vpp_tun_spi, + p.auth_algo_vpp_id, p.auth_key, + p.crypt_algo_vpp_id, p.crypt_key, + self.vpp_esp_protocol) + p.tun_sa_in.add_vpp_config() + + # in this v6 variant add the teibs first then the protection + p.tun_dst = self.pg0.remote_hosts[ii].ip6 + VppTeib(self, p.tun_if, + p.tun_if.remote_hosts[ii].ip6, + p.tun_dst).add_vpp_config() + + p.tun_protect = VppIpsecTunProtect( + self, + p.tun_if, + p.tun_sa_out, + [p.tun_sa_in], + nh=p.tun_if.remote_hosts[ii].ip6) + p.tun_protect.add_vpp_config() + config_tra_params(p, self.encryption_type, p.tun_if) + self.multi_params.append(p) + + VppIpRoute(self, p.remote_tun_if_host, 128, + [VppRoutePath(p.tun_if.remote_hosts[ii].ip6, + p.tun_if.sw_if_index)]).add_vpp_config() + p.tun_dst = self.pg0.remote_hosts[ii].ip6 + + self.logger.info(self.vapi.cli("sh log")) + self.logger.info(self.vapi.cli("sh ipsec protect-hash")) + self.logger.info(self.vapi.cli("sh adj 41")) + + def tearDown(self): + p = self.ipv6_params + p.tun_if.unconfig_ip6() + super(TestIpsecMGreIfEspTra6, self).tearDown() + + def test_tun_66(self): + """mGRE IPSec 66""" + for p in self.multi_params: + self.verify_tun_66(p, count=63) + + +class TestIpsec4TunProtect(TemplateIpsec, + TemplateIpsec4TunProtect, + IpsecTun4): + """ IPsec IPv4 Tunnel protect - transport mode""" + + def setUp(self): + super(TestIpsec4TunProtect, self).setUp() + + self.tun_if = self.pg0 + + def tearDown(self): + super(TestIpsec4TunProtect, self).tearDown() + + def test_tun_44(self): + """IPSEC tunnel protect""" + + p = self.ipv4_params + + self.config_network(p) + self.config_sa_tra(p) + self.config_protect(p) + + self.verify_tun_44(p, count=127) + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], 127) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], 127) + + self.vapi.cli("clear ipsec sa") + self.verify_tun_64(p, count=127) + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], 254) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], 254) + + # rekey - create new SAs and update the tunnel protection + np = copy.copy(p) + np.crypt_key = b'X' + p.crypt_key[1:] + np.scapy_tun_spi += 100 + np.scapy_tun_sa_id += 1 + np.vpp_tun_spi += 100 + np.vpp_tun_sa_id += 1 + np.tun_if.local_spi = p.vpp_tun_spi + np.tun_if.remote_spi = p.scapy_tun_spi + + self.config_sa_tra(np) + self.config_protect(np) + self.unconfig_sa(p) + + self.verify_tun_44(np, count=127) + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], 381) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], 381) + + # teardown + self.unconfig_protect(np) + self.unconfig_sa(np) + self.unconfig_network(p) + + +class TestIpsec4TunProtectUdp(TemplateIpsec, + TemplateIpsec4TunProtect, + IpsecTun4): + """ IPsec IPv4 Tunnel protect - transport mode""" + + def setUp(self): + super(TestIpsec4TunProtectUdp, self).setUp() + + self.tun_if = self.pg0 + + p = self.ipv4_params + p.flags = (VppEnum.vl_api_ipsec_sad_flags_t. + IPSEC_API_SAD_FLAG_UDP_ENCAP) + p.nat_header = UDP(sport=4500, dport=4500) + self.config_network(p) + self.config_sa_tra(p) + self.config_protect(p) + + def tearDown(self): + p = self.ipv4_params + self.unconfig_protect(p) + self.unconfig_sa(p) + self.unconfig_network(p) + super(TestIpsec4TunProtectUdp, self).tearDown() + + def verify_encrypted(self, p, sa, rxs): + # ensure encrypted packets are recieved with the default UDP ports + for rx in rxs: + self.assertEqual(rx[UDP].sport, 4500) + self.assertEqual(rx[UDP].dport, 4500) + super(TestIpsec4TunProtectUdp, self).verify_encrypted(p, sa, rxs) + + def test_tun_44(self): + """IPSEC UDP tunnel protect""" + + p = self.ipv4_params + + self.verify_tun_44(p, count=127) + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], 127) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], 127) + + def test_keepalive(self): + """ IPSEC NAT Keepalive """ + self.verify_keepalive(self.ipv4_params) + + +class TestIpsec4TunProtectTun(TemplateIpsec, + TemplateIpsec4TunProtect, + IpsecTun4): + """ IPsec IPv4 Tunnel protect - tunnel mode""" + + encryption_type = ESP + tun4_encrypt_node_name = "esp4-encrypt-tun" + tun4_decrypt_node_name = "esp4-decrypt-tun" + + def setUp(self): + super(TestIpsec4TunProtectTun, self).setUp() + + self.tun_if = self.pg0 + + def tearDown(self): + super(TestIpsec4TunProtectTun, self).tearDown() + + def gen_encrypt_pkts(self, p, sa, sw_intf, src, dst, count=1, + payload_size=100): + return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + sa.encrypt(IP(src=sw_intf.remote_ip4, + dst=sw_intf.local_ip4) / + IP(src=src, dst=dst) / + UDP(sport=1144, dport=2233) / + Raw(b'X' * payload_size)) + for i in range(count)] + + def gen_pkts(self, sw_intf, src, dst, count=1, + payload_size=100): + return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + IP(src=src, dst=dst) / + UDP(sport=1144, dport=2233) / + Raw(b'X' * payload_size) + for i in range(count)] + + def verify_decrypted(self, p, rxs): + for rx in rxs: + self.assert_equal(rx[IP].dst, self.pg1.remote_ip4) + self.assert_equal(rx[IP].src, p.remote_tun_if_host) + self.assert_packet_checksums_valid(rx) + + def verify_encrypted(self, p, sa, rxs): + for rx in rxs: + try: + pkt = sa.decrypt(rx[IP]) + if not pkt.haslayer(IP): + pkt = IP(pkt[Raw].load) + self.assert_packet_checksums_valid(pkt) + self.assert_equal(pkt[IP].dst, self.pg0.remote_ip4) + self.assert_equal(pkt[IP].src, self.pg0.local_ip4) + inner = pkt[IP].payload + self.assertEqual(inner[IP][IP].dst, p.remote_tun_if_host) + + except (IndexError, AssertionError): + self.logger.debug(ppp("Unexpected packet:", rx)) + try: + self.logger.debug(ppp("Decrypted packet:", pkt)) + except: + pass + raise + + def test_tun_44(self): + """IPSEC tunnel protect """ + + p = self.ipv4_params + + self.config_network(p) + self.config_sa_tun(p) + self.config_protect(p) + + # also add an output features on the tunnel and physical interface + # so we test they still work + r_all = AclRule(True, + src_prefix="0.0.0.0/0", + dst_prefix="0.0.0.0/0", + proto=0) + a = VppAcl(self, [r_all]).add_vpp_config() + + VppAclInterface(self, self.pg0.sw_if_index, [a]).add_vpp_config() + VppAclInterface(self, p.tun_if.sw_if_index, [a]).add_vpp_config() + + self.verify_tun_44(p, count=127) + + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], 127) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], 127) + + # rekey - create new SAs and update the tunnel protection + np = copy.copy(p) + np.crypt_key = b'X' + p.crypt_key[1:] + np.scapy_tun_spi += 100 + np.scapy_tun_sa_id += 1 + np.vpp_tun_spi += 100 + np.vpp_tun_sa_id += 1 + np.tun_if.local_spi = p.vpp_tun_spi + np.tun_if.remote_spi = p.scapy_tun_spi + + self.config_sa_tun(np) + self.config_protect(np) + self.unconfig_sa(p) + + self.verify_tun_44(np, count=127) + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], 254) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], 254) + + # teardown + self.unconfig_protect(np) + self.unconfig_sa(np) + self.unconfig_network(p) + + +class TestIpsec4TunProtectTunDrop(TemplateIpsec, + TemplateIpsec4TunProtect, + IpsecTun4): + """ IPsec IPv4 Tunnel protect - tunnel mode - drop""" + + encryption_type = ESP + tun4_encrypt_node_name = "esp4-encrypt-tun" + tun4_decrypt_node_name = "esp4-decrypt-tun" + + def setUp(self): + super(TestIpsec4TunProtectTunDrop, self).setUp() + + self.tun_if = self.pg0 + + def tearDown(self): + super(TestIpsec4TunProtectTunDrop, self).tearDown() + + def gen_encrypt_pkts(self, p, sa, sw_intf, src, dst, count=1, + payload_size=100): + return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + sa.encrypt(IP(src=sw_intf.remote_ip4, + dst="5.5.5.5") / + IP(src=src, dst=dst) / + UDP(sport=1144, dport=2233) / + Raw(b'X' * payload_size)) + for i in range(count)] + + def test_tun_drop_44(self): + """IPSEC tunnel protect bogus tunnel header """ + + p = self.ipv4_params + + self.config_network(p) + self.config_sa_tun(p) + self.config_protect(p) + + tx = self.gen_encrypt_pkts(p, p.scapy_tun_sa, self.tun_if, + src=p.remote_tun_if_host, + dst=self.pg1.remote_ip4, + count=63) + self.send_and_assert_no_replies(self.tun_if, tx) + + # teardown + self.unconfig_protect(p) + self.unconfig_sa(p) + self.unconfig_network(p) + + +class TestIpsec6TunProtect(TemplateIpsec, + TemplateIpsec6TunProtect, + IpsecTun6): + """ IPsec IPv6 Tunnel protect - transport mode""" + + encryption_type = ESP + tun6_encrypt_node_name = "esp6-encrypt-tun" + tun6_decrypt_node_name = "esp6-decrypt-tun" + + def setUp(self): + super(TestIpsec6TunProtect, self).setUp() + + self.tun_if = self.pg0 + + def tearDown(self): + super(TestIpsec6TunProtect, self).tearDown() + + def test_tun_66(self): + """IPSEC tunnel protect 6o6""" + + p = self.ipv6_params + + self.config_network(p) + self.config_sa_tra(p) + self.config_protect(p) + + self.verify_tun_66(p, count=127) + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], 127) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], 127) + + # rekey - create new SAs and update the tunnel protection + np = copy.copy(p) + np.crypt_key = b'X' + p.crypt_key[1:] + np.scapy_tun_spi += 100 + np.scapy_tun_sa_id += 1 + np.vpp_tun_spi += 100 + np.vpp_tun_sa_id += 1 + np.tun_if.local_spi = p.vpp_tun_spi + np.tun_if.remote_spi = p.scapy_tun_spi + + self.config_sa_tra(np) + self.config_protect(np) + self.unconfig_sa(p) + + self.verify_tun_66(np, count=127) + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], 254) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], 254) + + # bounce the interface state + p.tun_if.admin_down() + self.verify_drop_tun_66(np, count=127) + node = ('/err/ipsec6-tun-input/%s' % + 'ipsec packets received on disabled interface') + self.assertEqual(127, self.statistics.get_err_counter(node)) + p.tun_if.admin_up() + self.verify_tun_66(np, count=127) + + # 3 phase rekey + # 1) add two input SAs [old, new] + # 2) swap output SA to [new] + # 3) use only [new] input SA + np3 = copy.copy(np) + np3.crypt_key = b'Z' + p.crypt_key[1:] + np3.scapy_tun_spi += 100 + np3.scapy_tun_sa_id += 1 + np3.vpp_tun_spi += 100 + np3.vpp_tun_sa_id += 1 + np3.tun_if.local_spi = p.vpp_tun_spi + np3.tun_if.remote_spi = p.scapy_tun_spi + + self.config_sa_tra(np3) + + # step 1; + p.tun_protect.update_vpp_config(np.tun_sa_out, + [np.tun_sa_in, np3.tun_sa_in]) + self.verify_tun_66(np, np, count=127) + self.verify_tun_66(np3, np, count=127) + + # step 2; + p.tun_protect.update_vpp_config(np3.tun_sa_out, + [np.tun_sa_in, np3.tun_sa_in]) + self.verify_tun_66(np, np3, count=127) + self.verify_tun_66(np3, np3, count=127) + + # step 1; + p.tun_protect.update_vpp_config(np3.tun_sa_out, + [np3.tun_sa_in]) + self.verify_tun_66(np3, np3, count=127) + self.verify_drop_tun_66(np, count=127) + + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], 127*9) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], 127*8) + self.unconfig_sa(np) + + # teardown + self.unconfig_protect(np3) + self.unconfig_sa(np3) + self.unconfig_network(p) + + def test_tun_46(self): + """IPSEC tunnel protect 4o6""" + + p = self.ipv6_params + + self.config_network(p) + self.config_sa_tra(p) + self.config_protect(p) + + self.verify_tun_46(p, count=127) + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], 127) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], 127) + + # teardown + self.unconfig_protect(p) + self.unconfig_sa(p) + self.unconfig_network(p) + + +class TestIpsec6TunProtectTun(TemplateIpsec, + TemplateIpsec6TunProtect, + IpsecTun6): + """ IPsec IPv6 Tunnel protect - tunnel mode""" + + encryption_type = ESP + tun6_encrypt_node_name = "esp6-encrypt-tun" + tun6_decrypt_node_name = "esp6-decrypt-tun" + + def setUp(self): + super(TestIpsec6TunProtectTun, self).setUp() + + self.tun_if = self.pg0 + + def tearDown(self): + super(TestIpsec6TunProtectTun, self).tearDown() + + def gen_encrypt_pkts6(self, p, sa, sw_intf, src, dst, count=1, + payload_size=100): + return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + sa.encrypt(IPv6(src=sw_intf.remote_ip6, + dst=sw_intf.local_ip6) / + IPv6(src=src, dst=dst) / + UDP(sport=1166, dport=2233) / + Raw(b'X' * payload_size)) + for i in range(count)] + + def gen_pkts6(self, sw_intf, src, dst, count=1, + payload_size=100): + return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + IPv6(src=src, dst=dst) / + UDP(sport=1166, dport=2233) / + Raw(b'X' * payload_size) + for i in range(count)] + + def verify_decrypted6(self, p, rxs): + for rx in rxs: + self.assert_equal(rx[IPv6].dst, self.pg1.remote_ip6) + self.assert_equal(rx[IPv6].src, p.remote_tun_if_host) + self.assert_packet_checksums_valid(rx) + + def verify_encrypted6(self, p, sa, rxs): + for rx in rxs: + try: + pkt = sa.decrypt(rx[IPv6]) + if not pkt.haslayer(IPv6): + pkt = IPv6(pkt[Raw].load) + self.assert_packet_checksums_valid(pkt) + self.assert_equal(pkt[IPv6].dst, self.pg0.remote_ip6) + self.assert_equal(pkt[IPv6].src, self.pg0.local_ip6) + inner = pkt[IPv6].payload + self.assertEqual(inner[IPv6][IPv6].dst, p.remote_tun_if_host) + + except (IndexError, AssertionError): + self.logger.debug(ppp("Unexpected packet:", rx)) + try: + self.logger.debug(ppp("Decrypted packet:", pkt)) + except: + pass + raise + + def test_tun_66(self): + """IPSEC tunnel protect """ + + p = self.ipv6_params + + self.config_network(p) + self.config_sa_tun(p) + self.config_protect(p) + + self.verify_tun_66(p, count=127) + + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], 127) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], 127) + + # rekey - create new SAs and update the tunnel protection + np = copy.copy(p) + np.crypt_key = b'X' + p.crypt_key[1:] + np.scapy_tun_spi += 100 + np.scapy_tun_sa_id += 1 + np.vpp_tun_spi += 100 + np.vpp_tun_sa_id += 1 + np.tun_if.local_spi = p.vpp_tun_spi + np.tun_if.remote_spi = p.scapy_tun_spi + + self.config_sa_tun(np) + self.config_protect(np) + self.unconfig_sa(p) + + self.verify_tun_66(np, count=127) + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], 254) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], 254) + + # teardown + self.unconfig_protect(np) + self.unconfig_sa(np) + self.unconfig_network(p) + + +class TestIpsec6TunProtectTunDrop(TemplateIpsec, + TemplateIpsec6TunProtect, + IpsecTun6): + """ IPsec IPv6 Tunnel protect - tunnel mode - drop""" + + encryption_type = ESP + tun6_encrypt_node_name = "esp6-encrypt-tun" + tun6_decrypt_node_name = "esp6-decrypt-tun" + + def setUp(self): + super(TestIpsec6TunProtectTunDrop, self).setUp() + + self.tun_if = self.pg0 + + def tearDown(self): + super(TestIpsec6TunProtectTunDrop, self).tearDown() + + def gen_encrypt_pkts6(self, p, sa, sw_intf, src, dst, count=1, + payload_size=100): + # the IP destination of the revelaed packet does not match + # that assigned to the tunnel + return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + sa.encrypt(IPv6(src=sw_intf.remote_ip6, + dst="5::5") / + IPv6(src=src, dst=dst) / + UDP(sport=1144, dport=2233) / + Raw(b'X' * payload_size)) + for i in range(count)] + + def test_tun_drop_66(self): + """IPSEC 6 tunnel protect bogus tunnel header """ + + p = self.ipv6_params + + self.config_network(p) + self.config_sa_tun(p) + self.config_protect(p) + + tx = self.gen_encrypt_pkts6(p, p.scapy_tun_sa, self.tun_if, + src=p.remote_tun_if_host, + dst=self.pg1.remote_ip6, + count=63) + self.send_and_assert_no_replies(self.tun_if, tx) + + self.unconfig_protect(p) + self.unconfig_sa(p) + self.unconfig_network(p) + + +class TemplateIpsecItf4(object): + """ IPsec Interface IPv4 """ + + encryption_type = ESP + tun4_encrypt_node_name = "esp4-encrypt-tun" + tun4_decrypt_node_name = "esp4-decrypt-tun" + tun4_input_node = "ipsec4-tun-input" + + def config_sa_tun(self, p, src, dst): + config_tun_params(p, self.encryption_type, None, src, dst) + + p.tun_sa_out = VppIpsecSA(self, p.scapy_tun_sa_id, p.scapy_tun_spi, + p.auth_algo_vpp_id, p.auth_key, + p.crypt_algo_vpp_id, p.crypt_key, + self.vpp_esp_protocol, + src, dst, + flags=p.flags) + p.tun_sa_out.add_vpp_config() + + p.tun_sa_in = VppIpsecSA(self, p.vpp_tun_sa_id, p.vpp_tun_spi, + p.auth_algo_vpp_id, p.auth_key, + p.crypt_algo_vpp_id, p.crypt_key, + self.vpp_esp_protocol, + dst, src, + flags=p.flags) p.tun_sa_in.add_vpp_config() def config_protect(self, p): @@ -909,10 +2422,9 @@ class TemplateIpsec4TunProtect(object): [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() @@ -940,40 +2452,71 @@ class TemplateIpsec4TunProtect(object): p.tun_sa_in.remove_vpp_config() -class TestIpsec4TunProtect(TemplateIpsec, - TemplateIpsec4TunProtect, - IpsecTun4): - """ IPsec IPv4 Tunnel protect - transport mode""" +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) + self.config_sa_tun(p, + self.pg0.local_ip4, + self.pg0.remote_ip4) self.config_protect(p) - self.verify_tun_44(p, count=127) + self.verify_tun_44(p, count=n_pkts) c = p.tun_if.get_rx_stats() - self.assertEqual(c['packets'], 127) + self.assertEqual(c['packets'], n_pkts) c = p.tun_if.get_tx_stats() - self.assertEqual(c['packets'], 127) + self.assertEqual(c['packets'], n_pkts) + + p.tun_if.admin_down() + self.verify_tun_dropped_44(p, count=n_pkts) + p.tun_if.admin_up() + self.verify_tun_44(p, count=n_pkts) - self.vapi.cli("clear ipsec sa") - self.verify_tun_64(p, count=127) c = p.tun_if.get_rx_stats() - self.assertEqual(c['packets'], 254) + self.assertEqual(c['packets'], 3*n_pkts) c = p.tun_if.get_tx_stats() - self.assertEqual(c['packets'], 254) + self.assertEqual(c['packets'], 2*n_pkts) + + # it's a v6 packet when its encrypted + self.tun4_encrypt_node_name = "esp6-encrypt-tun" + + self.verify_tun_64(p, count=n_pkts) + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], 4*n_pkts) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], 3*n_pkts) + + self.tun4_encrypt_node_name = "esp4-encrypt-tun" + + self.vapi.cli("clear interfaces") # rekey - create new SAs and update the tunnel protection np = copy.copy(p) @@ -985,104 +2528,74 @@ 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) + self.verify_tun_44(np, count=n_pkts) c = p.tun_if.get_rx_stats() - self.assertEqual(c['packets'], 381) + self.assertEqual(c['packets'], n_pkts) c = p.tun_if.get_tx_stats() - self.assertEqual(c['packets'], 381) + self.assertEqual(c['packets'], n_pkts) # teardown self.unconfig_protect(np) self.unconfig_sa(np) self.unconfig_network(p) + def test_tun_44_null(self): + """IPSEC interface IPv4 NULL auth/crypto""" -class TestIpsec4TunProtectUdp(TemplateIpsec, - TemplateIpsec4TunProtect, - IpsecTun4): - """ IPsec IPv4 Tunnel protect - transport mode""" - - def setUp(self): - super(TestIpsec4TunProtectUdp, self).setUp() + n_pkts = 127 + p = copy.copy(self.ipv4_params) - self.tun_if = self.pg0 + 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" - 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.config_network(p) - self.config_sa_tra(p) + self.config_sa_tun(p, + self.pg0.local_ip4, + self.pg0.remote_ip4) self.config_protect(p) - def tearDown(self): - p = self.ipv4_params + self.verify_tun_44(p, count=n_pkts) + + # teardown self.unconfig_protect(p) self.unconfig_sa(p) self.unconfig_network(p) - super(TestIpsec4TunProtectUdp, self).tearDown() - - def test_tun_44(self): - """IPSEC UDP tunnel protect""" - - p = self.ipv4_params - - self.verify_tun_44(p, count=127) - c = p.tun_if.get_rx_stats() - self.assertEqual(c['packets'], 127) - c = p.tun_if.get_tx_stats() - self.assertEqual(c['packets'], 127) - - def test_keepalive(self): - """ IPSEC NAT Keepalive """ - self.verify_keepalive(self.ipv4_params) -class TestIpsec4TunProtectTun(TemplateIpsec, - TemplateIpsec4TunProtect, - IpsecTun4): - """ IPsec IPv4 Tunnel protect - tunnel mode""" +class TestIpsecItf4MPLS(TemplateIpsec, + TemplateIpsecItf4, + IpsecTun4): + """ IPsec Interface MPLSoIPv4 """ - encryption_type = ESP - tun4_encrypt_node_name = "esp4-encrypt-tun" - tun4_decrypt_node_name = "esp4-decrypt-tun" + 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() + super(TestIpsecItf4MPLS, self).tearDown() - def gen_encrypt_pkts(self, sa, sw_intf, src, dst, count=1, + 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) / + sa.encrypt(MPLS(label=44, ttl=3) / IP(src=src, dst=dst) / - UDP(sport=1144, dport=2233) / + UDP(sport=1166, 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: @@ -1090,11 +2603,8 @@ 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: @@ -1103,83 +2613,66 @@ 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 = b'X' + p.crypt_key[1:] - np.scapy_tun_spi += 100 - np.scapy_tun_sa_id += 1 - np.vpp_tun_spi += 100 - np.vpp_tun_sa_id += 1 - np.tun_if.local_spi = p.vpp_tun_spi - np.tun_if.remote_spi = p.scapy_tun_spi - - self.config_sa_tun(np) - self.config_protect(np) - self.unconfig_sa(p) - - self.verify_tun_44(np, count=127) - c = p.tun_if.get_rx_stats() - self.assertEqual(c['packets'], 254) - c = p.tun_if.get_tx_stats() - self.assertEqual(c['packets'], 254) + self.verify_tun_44(p, count=n_pkts) - # teardown - self.unconfig_protect(np) - self.unconfig_sa(np) - self.unconfig_network(p) - - -class TemplateIpsec6TunProtect(object): - """ IPsec IPv6 Tunnel protect """ + # cleanup + p.tun_if.disable_mpls() + self.unconfig_protect(p) + self.unconfig_sa(p) + self.unconfig_network(p) - 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() +class TemplateIpsecItf6(object): + """ IPsec Interface IPv6 """ - 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() + encryption_type = ESP + tun6_encrypt_node_name = "esp6-encrypt-tun" + tun6_decrypt_node_name = "esp6-decrypt-tun" + tun6_input_node = "ipsec6-tun-input" - def config_sa_tun(self, p): - config_tun_params(p, self.encryption_type, p.tun_if) + 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, - self.tun_if.remote_addr[p.addr_type], - self.tun_if.local_addr[p.addr_type]) + 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]) + dst, src, + flags=p.flags) p.tun_sa_in.add_vpp_config() def config_protect(self, p): @@ -1190,23 +2683,23 @@ class TemplateIpsec6TunProtect(object): 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_ip6() p.tun_if.config_ip4() + p.tun_if.config_ip6() + + r = VppIpRoute(self, p.remote_tun_if_host4, 32, + [VppRoutePath(p.tun_if.remote_ip4, + 0xffffffff)]) + r.add_vpp_config() p.route = VppIpRoute(self, p.remote_tun_if_host, 128, [VppRoutePath(p.tun_if.remote_ip6, 0xffffffff, proto=DpoProto.DPO_PROTO_IP6)]) p.route.add_vpp_config() - 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() @@ -1220,37 +2713,59 @@ 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" +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""" + def test_tun_44(self): + """IPSEC interface IPv6""" + n_pkts = 127 p = self.ipv6_params self.config_network(p) - self.config_sa_tra(p) + self.config_sa_tun(p, + self.pg0.local_ip6, + self.pg0.remote_ip6) self.config_protect(p) - self.verify_tun_66(p, count=127) + self.verify_tun_66(p, count=n_pkts) c = p.tun_if.get_rx_stats() - self.assertEqual(c['packets'], 127) + self.assertEqual(c['packets'], n_pkts) c = p.tun_if.get_tx_stats() - self.assertEqual(c['packets'], 127) + self.assertEqual(c['packets'], n_pkts) + + p.tun_if.admin_down() + self.verify_drop_tun_66(p, count=n_pkts) + p.tun_if.admin_up() + self.verify_tun_66(p, count=n_pkts) + + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], 3*n_pkts) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], 2*n_pkts) + + # it's a v4 packet when its encrypted + self.tun6_encrypt_node_name = "esp4-encrypt-tun" + + self.verify_tun_46(p, count=n_pkts) + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], 4*n_pkts) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], 3*n_pkts) + + self.tun6_encrypt_node_name = "esp6-encrypt-tun" + + self.vapi.cli("clear interfaces") # rekey - create new SAs and update the tunnel protection np = copy.copy(p) @@ -1262,134 +2777,188 @@ class TestIpsec6TunProtect(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_ip6, + self.pg0.remote_ip6) self.config_protect(np) self.unconfig_sa(p) - self.verify_tun_66(np, count=127) + self.verify_tun_66(np, count=n_pkts) c = p.tun_if.get_rx_stats() - self.assertEqual(c['packets'], 254) + self.assertEqual(c['packets'], n_pkts) c = p.tun_if.get_tx_stats() - self.assertEqual(c['packets'], 254) + self.assertEqual(c['packets'], n_pkts) - # 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 + # teardown + self.unconfig_protect(np) + self.unconfig_sa(np) + self.unconfig_network(p) - 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) +class TestIpsecMIfEsp4(TemplateIpsec, IpsecTun4): + """ Ipsec P2MP ESP v4 tests """ + tun4_encrypt_node_name = "esp4-encrypt-tun" + tun4_decrypt_node_name = "esp4-decrypt-tun" + encryption_type = ESP - # 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 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)] - # 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) + 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)] - 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) + 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) - # teardown - self.unconfig_protect(np3) - self.unconfig_sa(np3) - self.unconfig_network(p) + def verify_encrypted(self, p, sa, rxs): + for rx in rxs: + try: + self.assertEqual(rx[IP].tos, + VppEnum.vl_api_ip_dscp_t.IP_API_DSCP_EF << 2) + pkt = sa.decrypt(rx[IP]) + if not pkt.haslayer(IP): + pkt = IP(pkt[Raw].load) + self.assert_packet_checksums_valid(pkt) + e = pkt[IP] + self.assertEqual(e[IP].dst, p.remote_tun_if_host) + except (IndexError, AssertionError): + self.logger.debug(ppp("Unexpected packet:", rx)) + try: + self.logger.debug(ppp("Decrypted packet:", pkt)) + except: + pass + raise - def test_tun_46(self): - """IPSEC tunnel protect""" + def setUp(self): + super(TestIpsecMIfEsp4, self).setUp() - p = self.ipv6_params + 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() - self.config_network(p) - self.config_sa_tra(p) - self.config_protect(p) + # setup some SAs for several next-hops on the interface + self.multi_params = [] - self.verify_tun_46(p, count=127) - c = p.tun_if.get_rx_stats() - self.assertEqual(c['packets'], 127) - c = p.tun_if.get_tx_stats() - self.assertEqual(c['packets'], 127) + for ii in range(N_NHS): + p = copy.copy(self.ipv4_params) - # teardown - self.unconfig_protect(p) - self.unconfig_sa(p) - self.unconfig_network(p) + p.remote_tun_if_host = "1.1.1.%d" % (ii + 1) + p.scapy_tun_sa_id = p.scapy_tun_sa_id + ii + p.scapy_tun_spi = p.scapy_tun_spi + ii + p.vpp_tun_sa_id = p.vpp_tun_sa_id + ii + p.vpp_tun_spi = p.vpp_tun_spi + ii + + p.scapy_tra_sa_id = p.scapy_tra_sa_id + ii + p.scapy_tra_spi = p.scapy_tra_spi + ii + p.vpp_tra_sa_id = p.vpp_tra_sa_id + ii + p.vpp_tra_spi = p.vpp_tra_spi + ii + p.tun_sa_out = VppIpsecSA( + self, p.scapy_tun_sa_id, p.scapy_tun_spi, + p.auth_algo_vpp_id, p.auth_key, + p.crypt_algo_vpp_id, p.crypt_key, + self.vpp_esp_protocol, + self.pg0.local_ip4, + self.pg0.remote_hosts[ii].ip4, + dscp=VppEnum.vl_api_ip_dscp_t.IP_API_DSCP_EF) + p.tun_sa_out.add_vpp_config() + + p.tun_sa_in = VppIpsecSA( + self, p.vpp_tun_sa_id, p.vpp_tun_spi, + p.auth_algo_vpp_id, p.auth_key, + p.crypt_algo_vpp_id, p.crypt_key, + self.vpp_esp_protocol, + self.pg0.remote_hosts[ii].ip4, + self.pg0.local_ip4, + dscp=VppEnum.vl_api_ip_dscp_t.IP_API_DSCP_EF) + p.tun_sa_in.add_vpp_config() + + p.tun_protect = VppIpsecTunProtect( + self, + p.tun_if, + p.tun_sa_out, + [p.tun_sa_in], + nh=p.tun_if.remote_hosts[ii].ip4) + p.tun_protect.add_vpp_config() + config_tun_params(p, self.encryption_type, None, + self.pg0.local_ip4, + self.pg0.remote_hosts[ii].ip4) + self.multi_params.append(p) + VppIpRoute(self, p.remote_tun_if_host, 32, + [VppRoutePath(p.tun_if.remote_hosts[ii].ip4, + p.tun_if.sw_if_index)]).add_vpp_config() -class TestIpsec6TunProtectTun(TemplateIpsec, - TemplateIpsec6TunProtect, - IpsecTun6): - """ IPsec IPv6 Tunnel protect - tunnel mode""" + p.tun_dst = self.pg0.remote_hosts[ii].ip4 - encryption_type = ESP - tun6_encrypt_node_name = "esp6-encrypt-tun" - tun6_decrypt_node_name = "esp6-decrypt-tun" + def tearDown(self): + p = self.ipv4_params + p.tun_if.unconfig_ip4() + super(TestIpsecMIfEsp4, self).tearDown() + + def test_tun_44(self): + """P2MP IPSEC 44""" + N_PKTS = 63 + for p in self.multi_params: + self.verify_tun_44(p, count=N_PKTS) + + +class TestIpsecItf6MPLS(TemplateIpsec, + TemplateIpsecItf6, + IpsecTun6): + """ IPsec Interface MPLSoIPv6 """ + + tun6_encrypt_node_name = "esp-mpls-encrypt-tun" def setUp(self): - super(TestIpsec6TunProtectTun, self).setUp() + super(TestIpsecItf6MPLS, self).setUp() self.tun_if = self.pg0 def tearDown(self): - super(TestIpsec6TunProtectTun, self).tearDown() + super(TestIpsecItf6MPLS, self).tearDown() - def gen_encrypt_pkts6(self, sa, sw_intf, src, dst, count=1, + 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) / + 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 gen_pkts6(self, sw_intf, src, dst, count=1, - payload_size=100): - return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / - IPv6(src=src, dst=dst) / - UDP(sport=1166, dport=2233) / - Raw(b'X' * payload_size) - for i in range(count)] - - def verify_decrypted6(self, p, rxs): - for rx in rxs: - self.assert_equal(rx[IPv6].dst, self.pg1.remote_ip6) - self.assert_equal(rx[IPv6].src, p.remote_tun_if_host) - self.assert_packet_checksums_valid(rx) - def verify_encrypted6(self, p, sa, rxs): for rx in rxs: try: pkt = sa.decrypt(rx[IPv6]) if not pkt.haslayer(IPv6): - pkt = IPv6(pkt[Raw].load) + 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: @@ -1398,45 +2967,39 @@ 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 = 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.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)