X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_ipsec_tun_if_esp.py;h=2ef1351ae7fdca1f8a2d9b6e369fe9f62518dcf9;hb=9ec846c26;hp=3cd2521e04d9857e9d901de3ba5c461b2d7f7026;hpb=b0d2eda75a268f6afc2b08080a3e00b0a3295702;p=vpp.git diff --git a/test/test_ipsec_tun_if_esp.py b/test/test_ipsec_tun_if_esp.py index 3cd2521e04d..2ef1351ae7f 100644 --- a/test/test_ipsec_tun_if_esp.py +++ b/test/test_ipsec_tun_if_esp.py @@ -7,29 +7,37 @@ 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, \ IpsecTun6HandoffTests, IpsecTun4HandoffTests, config_tun_params -from vpp_ipsec_tun_interface import VppIpsecTunInterface 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} 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 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, @@ -64,16 +72,107 @@ def config_tra_params(p, encryption_type, tun_if): crypt_algo=p.crypt_algo, crypt_key=crypt_key, auth_algo=p.auth_algo, auth_key=p.auth_key, - esn_en=esn_en) + 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) + 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 @@ -93,32 +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" @@ -139,7 +222,7 @@ class TemplateIpsec4TunIfEspUdp(TemplateIpsec): # ensure the UDP ports are correct before we decrypt # which strips them self.assertTrue(rx.haslayer(UDP)) - self.assert_equal(rx[UDP].sport, 4500) + self.assert_equal(rx[UDP].sport, p.nat_header.sport) self.assert_equal(rx[UDP].dport, 4500) pkt = sa.decrypt(rx[IP]) @@ -157,6 +240,27 @@ class TemplateIpsec4TunIfEspUdp(TemplateIpsec): 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() @@ -165,30 +269,11 @@ class TemplateIpsec4TunIfEspUdp(TemplateIpsec): IPSEC_API_SAD_FLAG_UDP_ENCAP) p.nat_header = UDP(sport=5454, dport=4500) - def config_network(self): - self.tun_if = self.pg0 - 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, 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) - 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() @@ -231,8 +316,7 @@ class TestIpsec4TunIfEspUdp(TemplateIpsec4TunIfEspUdp, IpsecTun4Tests): tun4_input_node = "ipsec4-tun-input" def setUp(self): - super(TemplateIpsec4TunIfEspUdp, self).setUp() - self.config_network() + super(TestIpsec4TunIfEspUdp, self).setUp() def test_keepalive(self): """ IPSEC NAT Keepalive """ @@ -245,7 +329,7 @@ class TestIpsec4TunIfEspUdpGCM(TemplateIpsec4TunIfEspUdp, IpsecTun4Tests): tun4_input_node = "ipsec4-tun-input" def setUp(self): - super(TemplateIpsec4TunIfEspUdp, self).setUp() + 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) @@ -255,7 +339,6 @@ class TestIpsec4TunIfEspUdpGCM(TemplateIpsec4TunIfEspUdp, IpsecTun4Tests): p.auth_algo = "NULL" p.crypt_key = b"JPjyOWBeVEQiMe7hJPjyOWBeVEQiMe7h" p.salt = 0 - self.config_network() class TestIpsec4TunIfEsp2(TemplateIpsec4TunIfEsp, IpsecTcpTests): @@ -263,38 +346,101 @@ class TestIpsec4TunIfEsp2(TemplateIpsec4TunIfEsp, IpsecTcpTests): 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 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 + + 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() @@ -330,7 +476,9 @@ class TestIpsec4TunIfEspHandoff(TemplateIpsec4TunIfEsp, tun4_decrypt_node_name = "esp4-decrypt-tun" -class TestIpsec4MultiTunIfEsp(TemplateIpsec, IpsecTun4): +class TestIpsec4MultiTunIfEsp(TemplateIpsec4TunProtect, + TemplateIpsec, + IpsecTun4): """ IPsec IPv4 Multi Tunnel interface """ encryption_type = ESP @@ -361,22 +509,10 @@ class TestIpsec4MultiTunIfEsp(TemplateIpsec, IpsecTun4): 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=p.tun_dst) - 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() @@ -412,51 +548,38 @@ class TestIpsec4MultiTunIfEsp(TemplateIpsec, IpsecTun4): self.verify_encrypted(p, p.vpp_tun_sa, [rx]) -class TestIpsec4TunIfEspAll(TemplateIpsec, IpsecTun4): +class TestIpsec4TunIfEspAll(TemplateIpsec4TunProtect, + TemplateIpsec, + IpsecTun4): """ IPsec IPv4 Tunnel interface all Algos """ encryption_type = ESP tun4_encrypt_node_name = "esp4-encrypt-tun" tun4_decrypt_node_name = "esp4-decrypt-tun" - def config_network(self, 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, - 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() - - def unconfig_network(self, p): - p.tun_if.unconfig_ip4() - p.tun_if.remove_vpp_config() - p.route.remove_vpp_config() - def setUp(self): super(TestIpsec4TunIfEspAll, self).setUp() self.tun_if = self.pg0 + p = self.ipv4_params - def tearDown(self): - super(TestIpsec4TunIfEspAll, self).tearDown() + self.config_network(p) + self.config_sa_tra(p) + self.config_protect(p) - def rekey(self, 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 @@ -467,19 +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, @@ -487,15 +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): @@ -540,17 +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. @@ -571,7 +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'] @@ -579,34 +699,27 @@ 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(TemplateIpsec, IpsecTun4): - """ IPsec IPv4 Tunnel interface all Algos """ +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 config_network(self, p): + 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' @@ -617,51 +730,29 @@ class TestIpsec4TunIfEspNoAlgo(TemplateIpsec, IpsecTun4): p.crypt_algo = 'NULL' p.crypt_key = [] - 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() - - def unconfig_network(self, p): - p.tun_if.unconfig_ip4() - p.tun_if.remove_vpp_config() - p.route.remove_vpp_config() - - def setUp(self): - super(TestIpsec4TunIfEspNoAlgo, self).setUp() - - self.tun_if = self.pg0 - 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 @@ -690,25 +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() @@ -1059,6 +1137,127 @@ class TestIpsecGreTebIfEspTra(TemplateIpsec, 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" + encryption_type = ESP + omac = "00:11:22:33:44:55" + + def gen_encrypt_pkts(self, p, sa, sw_intf, src, dst, count=1, + payload_size=100): + return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + sa.encrypt(IP(src=self.pg0.remote_ip4, + dst=self.pg0.local_ip4) / + GRE() / + Ether(dst=self.omac) / + IP(src="1.1.1.1", dst="1.1.1.2") / + UDP(sport=1144, dport=2233) / + Raw(b'X' * payload_size)) + for i in range(count)] + + def gen_pkts(self, sw_intf, src, dst, count=1, + payload_size=100): + return [Ether(dst=self.omac) / + IP(src="1.1.1.1", dst="1.1.1.2") / + UDP(sport=1144, dport=2233) / + Raw(b'X' * payload_size) + for i in range(count)] + + def verify_decrypted(self, p, rxs): + for rx in rxs: + self.assert_equal(rx[Ether].dst, self.omac) + self.assert_equal(rx[IP].dst, "1.1.1.2") + + def verify_encrypted(self, p, sa, rxs): + for rx in rxs: + self.assertTrue(rx.haslayer(UDP)) + self.assertEqual(rx[UDP].dport, 4545) + self.assertEqual(rx[UDP].sport, 5454) + try: + pkt = sa.decrypt(rx[IP]) + if not pkt.haslayer(IP): + pkt = IP(pkt[Raw].load) + self.assert_packet_checksums_valid(pkt) + self.assert_equal(pkt[IP].dst, self.pg0.remote_ip4) + self.assert_equal(pkt[IP].src, self.pg0.local_ip4) + self.assertTrue(pkt.haslayer(GRE)) + e = pkt[Ether] + self.assertEqual(e[Ether].dst, self.omac) + self.assertEqual(e[IP].dst, "1.1.1.2") + except (IndexError, AssertionError): + self.logger.debug(ppp("Unexpected packet:", rx)) + try: + self.logger.debug(ppp("Decrypted packet:", pkt)) + except: + pass + raise + + def setUp(self): + super(TestIpsecGreTebUdpIfEspTra, self).setUp() + + self.tun_if = self.pg0 + + p = self.ipv4_params + p = self.ipv4_params + p.flags = (VppEnum.vl_api_ipsec_sad_flags_t. + IPSEC_API_SAD_FLAG_UDP_ENCAP) + p.nat_header = UDP(sport=5454, dport=4545) + + bd1 = VppBridgeDomain(self, 1) + bd1.add_vpp_config() + + p.tun_sa_out = VppIpsecSA(self, p.scapy_tun_sa_id, p.scapy_tun_spi, + p.auth_algo_vpp_id, p.auth_key, + p.crypt_algo_vpp_id, p.crypt_key, + self.vpp_esp_protocol, + flags=p.flags, + udp_src=5454, + udp_dst=4545) + p.tun_sa_out.add_vpp_config() + + p.tun_sa_in = VppIpsecSA(self, p.vpp_tun_sa_id, p.vpp_tun_spi, + p.auth_algo_vpp_id, p.auth_key, + p.crypt_algo_vpp_id, p.crypt_key, + self.vpp_esp_protocol, + flags=(p.flags | + VppEnum.vl_api_ipsec_sad_flags_t. + IPSEC_API_SAD_FLAG_IS_INBOUND), + udp_src=5454, + udp_dst=4545) + p.tun_sa_in.add_vpp_config() + + p.tun_if = VppGreInterface(self, + self.pg0.local_ip4, + self.pg0.remote_ip4, + type=(VppEnum.vl_api_gre_tunnel_type_t. + GRE_API_TUNNEL_TYPE_TEB)) + p.tun_if.add_vpp_config() + + p.tun_protect = VppIpsecTunProtect(self, + p.tun_if, + p.tun_sa_out, + [p.tun_sa_in]) + + p.tun_protect.add_vpp_config() + + p.tun_if.admin_up() + p.tun_if.config_ip4() + config_tra_params(p, self.encryption_type, p.tun_if) + + VppBridgeDomainPort(self, bd1, p.tun_if).add_vpp_config() + VppBridgeDomainPort(self, bd1, self.pg1).add_vpp_config() + + self.vapi.cli("clear ipsec sa") + self.logger.info(self.vapi.cli("sh ipsec sa 0")) + + def tearDown(self): + p = self.ipv4_params + p.tun_if.unconfig_ip4() + super(TestIpsecGreTebUdpIfEspTra, self).tearDown() + + class TestIpsecGreIfEsp(TemplateIpsec, IpsecTun4Tests): """ Ipsec GRE ESP - TUN tests """ @@ -1295,7 +1494,7 @@ class TestIpsecGre6IfEspTra(TemplateIpsec, Raw(b'X' * payload_size)) for i in range(count)] - def gen_pkts6(self, sw_intf, src, dst, count=1, + 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") / @@ -1525,7 +1724,7 @@ class TestIpsecMGreIfEspTra6(TemplateIpsec, IpsecTun6): Raw(b'X' * payload_size)) for i in range(count)] - def gen_pkts6(self, sw_intf, src, dst, count=1, + 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) / @@ -1640,124 +1839,40 @@ class TestIpsecMGreIfEspTra6(TemplateIpsec, IpsecTun6): self.verify_tun_66(p, count=63) -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" +class TestIpsec4TunProtect(TemplateIpsec, + TemplateIpsec4TunProtect, + IpsecTun4): + """ IPsec IPv4 Tunnel protect - transport mode""" - def config_sa_tra(self, p): - config_tun_params(p, self.encryption_type, p.tun_if) + def setUp(self): + super(TestIpsec4TunProtect, 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, - flags=p.flags) - 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, - flags=p.flags) - p.tun_sa_in.add_vpp_config() + def tearDown(self): + super(TestIpsec4TunProtect, self).tearDown() - def config_sa_tun(self, p): - config_tun_params(p, self.encryption_type, p.tun_if) + def test_tun_44(self): + """IPSEC tunnel protect""" - 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 = self.ipv4_params - 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() + self.config_network(p) + self.config_sa_tra(p) + self.config_protect(p) - 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() + 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 config_network(self, p): - p.tun_if = VppIpIpTunInterface(self, self.pg0, - self.pg0.local_ip4, - self.pg0.remote_ip4) - 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 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) + 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) @@ -1798,7 +1913,7 @@ class TestIpsec4TunProtectUdp(TemplateIpsec, 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.nat_header = UDP(sport=4500, dport=4500) self.config_network(p) self.config_sa_tra(p) self.config_protect(p) @@ -1810,6 +1925,13 @@ class TestIpsec4TunProtectUdp(TemplateIpsec, 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""" @@ -1896,6 +2018,17 @@ class TestIpsec4TunProtectTun(TemplateIpsec, 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() @@ -1977,81 +2110,6 @@ class TestIpsec4TunProtectTunDrop(TemplateIpsec, self.unconfig_network(p) -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): - p.tun_if = VppIpIpTunInterface(self, self.pg0, - self.pg0.local_ip6, - self.pg0.remote_ip6) - 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 TestIpsec6TunProtect(TemplateIpsec, TemplateIpsec6TunProtect, IpsecTun6): @@ -2205,7 +2263,7 @@ class TestIpsec6TunProtectTun(TemplateIpsec, Raw(b'X' * payload_size)) for i in range(count)] - def gen_pkts6(self, sw_intf, src, dst, count=1, + 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) / @@ -2330,5 +2388,642 @@ class TestIpsec6TunProtectTunDrop(TemplateIpsec, self.unconfig_network(p) +class TemplateIpsecItf4(object): + """ IPsec Interface IPv4 """ + + encryption_type = ESP + tun4_encrypt_node_name = "esp4-encrypt-tun" + tun4_decrypt_node_name = "esp4-decrypt-tun" + tun4_input_node = "ipsec4-tun-input" + + def config_sa_tun(self, p, src, dst): + config_tun_params(p, self.encryption_type, None, src, dst) + + p.tun_sa_out = VppIpsecSA(self, p.scapy_tun_sa_id, p.scapy_tun_spi, + p.auth_algo_vpp_id, p.auth_key, + p.crypt_algo_vpp_id, p.crypt_key, + self.vpp_esp_protocol, + src, dst, + flags=p.flags) + p.tun_sa_out.add_vpp_config() + + p.tun_sa_in = VppIpsecSA(self, p.vpp_tun_sa_id, p.vpp_tun_spi, + p.auth_algo_vpp_id, p.auth_key, + p.crypt_algo_vpp_id, p.crypt_key, + self.vpp_esp_protocol, + dst, src, + flags=p.flags) + p.tun_sa_in.add_vpp_config() + + def config_protect(self, p): + p.tun_protect = VppIpsecTunProtect(self, + p.tun_if, + p.tun_sa_out, + [p.tun_sa_in]) + p.tun_protect.add_vpp_config() + + def config_network(self, p, instance=0xffffffff): + p.tun_if = VppIpsecInterface(self, instance=instance) + + p.tun_if.add_vpp_config() + p.tun_if.admin_up() + p.tun_if.config_ip4() + p.tun_if.config_ip6() + + p.route = VppIpRoute(self, p.remote_tun_if_host, 32, + [VppRoutePath(p.tun_if.remote_ip4, + 0xffffffff)]) + p.route.add_vpp_config() + r = VppIpRoute(self, p.remote_tun_if_host6, 128, + [VppRoutePath(p.tun_if.remote_ip6, + 0xffffffff, + proto=DpoProto.DPO_PROTO_IP6)]) + r.add_vpp_config() + + def unconfig_network(self, p): + p.route.remove_vpp_config() + p.tun_if.remove_vpp_config() + + def unconfig_protect(self, p): + p.tun_protect.remove_vpp_config() + + def unconfig_sa(self, p): + p.tun_sa_out.remove_vpp_config() + p.tun_sa_in.remove_vpp_config() + + +class TestIpsecItf4(TemplateIpsec, + TemplateIpsecItf4, + IpsecTun4): + """ IPsec Interface IPv4 """ + + def setUp(self): + super(TestIpsecItf4, self).setUp() + + self.tun_if = self.pg0 + + def tearDown(self): + super(TestIpsecItf4, self).tearDown() + + def test_tun_instance_44(self): + p = self.ipv4_params + self.config_network(p, instance=3) + + with self.assertRaises(CliFailedCommandError): + self.vapi.cli("show interface ipsec0") + + output = self.vapi.cli("show interface ipsec3") + self.assertTrue("unknown" not in output) + + self.unconfig_network(p) + + def test_tun_44(self): + """IPSEC interface IPv4""" + + n_pkts = 127 + p = self.ipv4_params + + self.config_network(p) + self.config_sa_tun(p, + self.pg0.local_ip4, + self.pg0.remote_ip4) + self.config_protect(p) + + self.verify_tun_44(p, count=n_pkts) + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], n_pkts) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], n_pkts) + + p.tun_if.admin_down() + self.verify_tun_dropped_44(p, count=n_pkts) + p.tun_if.admin_up() + self.verify_tun_44(p, count=n_pkts) + + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], 3*n_pkts) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], 2*n_pkts) + + # it's a v6 packet when its encrypted + self.tun4_encrypt_node_name = "esp6-encrypt-tun" + + self.verify_tun_64(p, count=n_pkts) + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], 4*n_pkts) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], 3*n_pkts) + + self.tun4_encrypt_node_name = "esp4-encrypt-tun" + + self.vapi.cli("clear interfaces") + + # rekey - create new SAs and update the tunnel protection + np = copy.copy(p) + np.crypt_key = b'X' + p.crypt_key[1:] + np.scapy_tun_spi += 100 + np.scapy_tun_sa_id += 1 + np.vpp_tun_spi += 100 + np.vpp_tun_sa_id += 1 + np.tun_if.local_spi = p.vpp_tun_spi + np.tun_if.remote_spi = p.scapy_tun_spi + + self.config_sa_tun(np, + self.pg0.local_ip4, + self.pg0.remote_ip4) + self.config_protect(np) + self.unconfig_sa(p) + + self.verify_tun_44(np, count=n_pkts) + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], n_pkts) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], n_pkts) + + # teardown + self.unconfig_protect(np) + self.unconfig_sa(np) + self.unconfig_network(p) + + def test_tun_44_null(self): + """IPSEC interface IPv4 NULL auth/crypto""" + + n_pkts = 127 + p = copy.copy(self.ipv4_params) + + p.auth_algo_vpp_id = (VppEnum.vl_api_ipsec_integ_alg_t. + IPSEC_API_INTEG_ALG_NONE) + p.crypt_algo_vpp_id = (VppEnum.vl_api_ipsec_crypto_alg_t. + IPSEC_API_CRYPTO_ALG_NONE) + p.crypt_algo = "NULL" + p.auth_algo = "NULL" + + self.config_network(p) + self.config_sa_tun(p, + self.pg0.local_ip4, + self.pg0.remote_ip4) + self.config_protect(p) + + self.verify_tun_44(p, count=n_pkts) + + # teardown + self.unconfig_protect(p) + self.unconfig_sa(p) + self.unconfig_network(p) + + +class TestIpsecItf4MPLS(TemplateIpsec, + TemplateIpsecItf4, + IpsecTun4): + """ IPsec Interface MPLSoIPv4 """ + + tun4_encrypt_node_name = "esp-mpls-encrypt-tun" + + def setUp(self): + super(TestIpsecItf4MPLS, self).setUp() + + self.tun_if = self.pg0 + + def tearDown(self): + super(TestIpsecItf4MPLS, self).tearDown() + + def gen_encrypt_pkts(self, p, sa, sw_intf, src, dst, count=1, + payload_size=100): + return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + sa.encrypt(MPLS(label=44, ttl=3) / + IP(src=src, dst=dst) / + UDP(sport=1166, dport=2233) / + Raw(b'X' * payload_size)) + for i in range(count)] + + def verify_encrypted(self, p, sa, rxs): + for rx in rxs: + try: + pkt = sa.decrypt(rx[IP]) + if not pkt.haslayer(IP): + pkt = IP(pkt[Raw].load) + self.assert_packet_checksums_valid(pkt) + self.assert_equal(pkt[MPLS].label, 44) + self.assert_equal(pkt[IP].dst, p.remote_tun_if_host) + except (IndexError, AssertionError): + self.logger.debug(ppp("Unexpected packet:", rx)) + try: + self.logger.debug(ppp("Decrypted packet:", pkt)) + except: + pass + raise + + def test_tun_mpls_o_ip4(self): + """IPSEC interface MPLS over IPv4""" + + n_pkts = 127 + p = self.ipv4_params + f = FibPathProto + + tbl = VppMplsTable(self, 0) + tbl.add_vpp_config() + + self.config_network(p) + # deag MPLS routes from the tunnel + r4 = VppMplsRoute(self, 44, 1, + [VppRoutePath( + self.pg1.remote_ip4, + self.pg1.sw_if_index)]).add_vpp_config() + p.route.modify([VppRoutePath(p.tun_if.remote_ip4, + p.tun_if.sw_if_index, + labels=[VppMplsLabel(44)])]) + p.tun_if.enable_mpls() + + self.config_sa_tun(p, + self.pg0.local_ip4, + self.pg0.remote_ip4) + self.config_protect(p) + + self.verify_tun_44(p, count=n_pkts) + + # cleanup + p.tun_if.disable_mpls() + self.unconfig_protect(p) + self.unconfig_sa(p) + self.unconfig_network(p) + + +class TemplateIpsecItf6(object): + """ IPsec Interface IPv6 """ + + encryption_type = ESP + tun6_encrypt_node_name = "esp6-encrypt-tun" + tun6_decrypt_node_name = "esp6-decrypt-tun" + tun6_input_node = "ipsec6-tun-input" + + def config_sa_tun(self, p, src, dst): + config_tun_params(p, self.encryption_type, None, src, dst) + + 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, + dst, src, + flags=p.flags) + p.tun_sa_in.add_vpp_config() + + def config_protect(self, p): + p.tun_protect = VppIpsecTunProtect(self, + p.tun_if, + p.tun_sa_out, + [p.tun_sa_in]) + p.tun_protect.add_vpp_config() + + def config_network(self, p): + p.tun_if = VppIpsecInterface(self) + + p.tun_if.add_vpp_config() + p.tun_if.admin_up() + p.tun_if.config_ip4() + p.tun_if.config_ip6() + + r = VppIpRoute(self, p.remote_tun_if_host4, 32, + [VppRoutePath(p.tun_if.remote_ip4, + 0xffffffff)]) + r.add_vpp_config() + + p.route = VppIpRoute(self, p.remote_tun_if_host, 128, + [VppRoutePath(p.tun_if.remote_ip6, + 0xffffffff, + proto=DpoProto.DPO_PROTO_IP6)]) + p.route.add_vpp_config() + + def unconfig_network(self, p): + p.route.remove_vpp_config() + p.tun_if.remove_vpp_config() + + def unconfig_protect(self, p): + p.tun_protect.remove_vpp_config() + + def unconfig_sa(self, p): + p.tun_sa_out.remove_vpp_config() + p.tun_sa_in.remove_vpp_config() + + +class TestIpsecItf6(TemplateIpsec, + TemplateIpsecItf6, + IpsecTun6): + """ IPsec Interface IPv6 """ + + def setUp(self): + super(TestIpsecItf6, self).setUp() + + self.tun_if = self.pg0 + + def tearDown(self): + super(TestIpsecItf6, self).tearDown() + + def test_tun_44(self): + """IPSEC interface IPv6""" + + 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_tun(p, + self.pg0.local_ip6, + self.pg0.remote_ip6) + self.config_protect(p) + + self.verify_tun_66(p, count=n_pkts) + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], n_pkts) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], n_pkts) + + p.tun_if.admin_down() + self.verify_drop_tun_66(p, count=n_pkts) + p.tun_if.admin_up() + self.verify_tun_66(p, count=n_pkts) + + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], 3*n_pkts) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], 2*n_pkts) + + # it's a v4 packet when its encrypted + self.tun6_encrypt_node_name = "esp4-encrypt-tun" + + self.verify_tun_46(p, count=n_pkts) + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], 4*n_pkts) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], 3*n_pkts) + + self.tun6_encrypt_node_name = "esp6-encrypt-tun" + + self.vapi.cli("clear interfaces") + + # rekey - create new SAs and update the tunnel protection + np = copy.copy(p) + np.crypt_key = b'X' + p.crypt_key[1:] + np.scapy_tun_spi += 100 + np.scapy_tun_sa_id += 1 + np.vpp_tun_spi += 100 + np.vpp_tun_sa_id += 1 + np.tun_if.local_spi = p.vpp_tun_spi + np.tun_if.remote_spi = p.scapy_tun_spi + 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=n_pkts) + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], n_pkts) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], n_pkts) + + # teardown + self.unconfig_protect(np) + self.unconfig_sa(np) + self.unconfig_network(p) + + +class TestIpsecMIfEsp4(TemplateIpsec, IpsecTun4): + """ Ipsec P2MP ESP v4 tests """ + tun4_encrypt_node_name = "esp4-encrypt-tun" + tun4_decrypt_node_name = "esp4-decrypt-tun" + encryption_type = ESP + + def gen_encrypt_pkts(self, p, sa, sw_intf, src, dst, count=1, + payload_size=100): + return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + sa.encrypt(IP(src=self.pg1.local_ip4, + dst=self.pg1.remote_ip4) / + UDP(sport=1144, dport=2233) / + Raw(b'X' * payload_size)) + for i in range(count)] + + def gen_pkts(self, sw_intf, src, dst, count=1, + payload_size=100): + return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + IP(src="1.1.1.1", dst=dst) / + UDP(sport=1144, dport=2233) / + Raw(b'X' * payload_size) + for i in range(count)] + + def verify_decrypted(self, p, rxs): + for rx in rxs: + self.assert_equal(rx[Ether].dst, self.pg1.remote_mac) + self.assert_equal(rx[IP].dst, self.pg1.remote_ip4) + + def verify_encrypted(self, p, sa, rxs): + for rx in rxs: + try: + self.assertEqual(rx[IP].tos, + VppEnum.vl_api_ip_dscp_t.IP_API_DSCP_EF << 2) + 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(TestIpsecMIfEsp4, self).setUp() + + N_NHS = 16 + self.tun_if = self.pg0 + p = self.ipv4_params + p.tun_if = VppIpsecInterface(self, + mode=(VppEnum.vl_api_tunnel_mode_t. + TUNNEL_API_MODE_MP)) + p.tun_if.add_vpp_config() + p.tun_if.admin_up() + p.tun_if.config_ip4() + p.tun_if.unconfig_ip4() + p.tun_if.config_ip4() + p.tun_if.generate_remote_hosts(N_NHS) + self.pg0.generate_remote_hosts(N_NHS) + self.pg0.configure_ipv4_neighbors() + + # setup some SAs for several next-hops on the interface + self.multi_params = [] + + for ii in range(N_NHS): + p = copy.copy(self.ipv4_params) + + p.remote_tun_if_host = "1.1.1.%d" % (ii + 1) + p.scapy_tun_sa_id = p.scapy_tun_sa_id + ii + p.scapy_tun_spi = p.scapy_tun_spi + ii + p.vpp_tun_sa_id = p.vpp_tun_sa_id + ii + p.vpp_tun_spi = p.vpp_tun_spi + ii + + p.scapy_tra_sa_id = p.scapy_tra_sa_id + ii + p.scapy_tra_spi = p.scapy_tra_spi + ii + p.vpp_tra_sa_id = p.vpp_tra_sa_id + ii + p.vpp_tra_spi = p.vpp_tra_spi + ii + p.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) + + VppIpRoute(self, p.remote_tun_if_host, 32, + [VppRoutePath(p.tun_if.remote_hosts[ii].ip4, + p.tun_if.sw_if_index)]).add_vpp_config() + + p.tun_dst = self.pg0.remote_hosts[ii].ip4 + + def tearDown(self): + p = self.ipv4_params + p.tun_if.unconfig_ip4() + super(TestIpsecMIfEsp4, self).tearDown() + + def test_tun_44(self): + """P2MP IPSEC 44""" + N_PKTS = 63 + for p in self.multi_params: + self.verify_tun_44(p, count=N_PKTS) + + +class TestIpsecItf6MPLS(TemplateIpsec, + TemplateIpsecItf6, + IpsecTun6): + """ IPsec Interface MPLSoIPv6 """ + + tun6_encrypt_node_name = "esp-mpls-encrypt-tun" + + def setUp(self): + super(TestIpsecItf6MPLS, self).setUp() + + self.tun_if = self.pg0 + + def tearDown(self): + super(TestIpsecItf6MPLS, self).tearDown() + + def gen_encrypt_pkts6(self, p, sa, sw_intf, src, dst, count=1, + payload_size=100): + return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + sa.encrypt(MPLS(label=66, ttl=3) / + IPv6(src=src, dst=dst) / + UDP(sport=1166, dport=2233) / + Raw(b'X' * payload_size)) + for i in range(count)] + + def verify_encrypted6(self, p, sa, rxs): + for rx in rxs: + try: + pkt = sa.decrypt(rx[IPv6]) + if not pkt.haslayer(IPv6): + pkt = IP(pkt[Raw].load) + self.assert_packet_checksums_valid(pkt) + self.assert_equal(pkt[MPLS].label, 66) + self.assert_equal(pkt[IPv6].dst, p.remote_tun_if_host) + except (IndexError, AssertionError): + self.logger.debug(ppp("Unexpected packet:", rx)) + try: + self.logger.debug(ppp("Decrypted packet:", pkt)) + except: + pass + raise + + def test_tun_mpls_o_ip6(self): + """IPSEC interface MPLS over IPv6""" + + n_pkts = 127 + p = self.ipv6_params + f = FibPathProto + + tbl = VppMplsTable(self, 0) + tbl.add_vpp_config() + + self.config_network(p) + # deag MPLS routes from the tunnel + r6 = VppMplsRoute(self, 66, 1, + [VppRoutePath( + self.pg1.remote_ip6, + self.pg1.sw_if_index)], + eos_proto=f.FIB_PATH_NH_PROTO_IP6).add_vpp_config() + p.route.modify([VppRoutePath(p.tun_if.remote_ip6, + p.tun_if.sw_if_index, + labels=[VppMplsLabel(66)])]) + p.tun_if.enable_mpls() + + self.config_sa_tun(p, + self.pg0.local_ip6, + self.pg0.remote_ip6) + self.config_protect(p) + + self.verify_tun_66(p, count=n_pkts) + + # cleanup + p.tun_if.disable_mpls() + self.unconfig_protect(p) + self.unconfig_sa(p) + self.unconfig_network(p) + + if __name__ == '__main__': unittest.main(testRunner=VppTestRunner)