X-Git-Url: https://gerrit.fd.io/r/gitweb?p=vpp.git;a=blobdiff_plain;f=test%2Ftest_ipsec_tun_if_esp.py;h=55e85b1a4b2021bda7bbc86e0410d755e77aae85;hp=3e578fabaf9723ee248aa7586b033ef910d03846;hb=282872127;hpb=5d4b8912d2fe186b4fb920a72b3a2f7b556f4e7d diff --git a/test/test_ipsec_tun_if_esp.py b/test/test_ipsec_tun_if_esp.py index 3e578fabaf9..55e85b1a4b2 100644 --- a/test/test_ipsec_tun_if_esp.py +++ b/test/test_ipsec_tun_if_esp.py @@ -3,19 +3,22 @@ import socket import copy from scapy.layers.ipsec import SecurityAssociation, ESP -from scapy.layers.l2 import Ether, 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 framework import VppTestRunner from template_ipsec import TemplateIpsec, IpsecTun4Tests, IpsecTun6Tests, \ - IpsecTun4, IpsecTun6, IpsecTcpTests, mk_scapy_crypt_key + 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_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 @@ -25,14 +28,16 @@ def config_tun_params(p, encryption_type, tun_if): 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, 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, esn_en=esn_en) p.vpp_tun_sa = SecurityAssociation( @@ -41,12 +46,33 @@ def config_tun_params(p, encryption_type, tun_if): 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, 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) + 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) + + class TemplateIpsec4TunIfEsp(TemplateIpsec): """ IPsec tunnel interface tests """ @@ -224,7 +250,8 @@ class TemplateIpsec6TunIfEsp(TemplateIpsec): super(TemplateIpsec6TunIfEsp, self).tearDown() -class TestIpsec6TunIfEsp1(TemplateIpsec6TunIfEsp, IpsecTun6Tests): +class TestIpsec6TunIfEsp1(TemplateIpsec6TunIfEsp, + IpsecTun6Tests): """ Ipsec ESP - TUN tests """ tun6_encrypt_node_name = "esp6-encrypt-tun" tun6_decrypt_node_name = "esp6-decrypt-tun" @@ -240,6 +267,20 @@ class TestIpsec6TunIfEsp1(TemplateIpsec6TunIfEsp, IpsecTun6Tests): 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): """ IPsec IPv4 Multi Tunnel interface """ @@ -269,6 +310,7 @@ 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, @@ -276,7 +318,7 @@ class TestIpsec4MultiTunIfEsp(TemplateIpsec, IpsecTun4): p.crypt_key, p.crypt_key, p.auth_algo_vpp_id, p.auth_key, p.auth_key, - dst=self.pg0.remote_hosts[ii].ip4) + dst=p.tun_dst) p.tun_if.add_vpp_config() p.tun_if.admin_up() p.tun_if.config_ip4() @@ -299,6 +341,27 @@ 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) + + for rx, p in zip(rxs, self.multi_params): + self.verify_decrypted(p, [rx]) + + tx = [] + for p in self.multi_params: + tx = tx + self.gen_pkts(self.pg1, src=self.pg1.remote_ip4, + dst=p.remote_tun_if_host) + rxs = self.send_and_expect(self.pg1, tx, self.tun_if) + + for rx, p in zip(rxs, self.multi_params): + self.verify_encrypted(p, p.vpp_tun_sa, [rx]) + class TestIpsec4TunIfEspAll(TemplateIpsec, IpsecTun4): """ IPsec IPv4 Tunnel interface all Algos """ @@ -486,6 +549,69 @@ class TestIpsec4TunIfEspAll(TemplateIpsec, IpsecTun4): p.tun_sa_in.remove_vpp_config() +class TestIpsec4TunIfEspNoAlgo(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.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 = [] + + 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): + p = self.ipv4_params + + self.config_network(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_network(p) + + class TestIpsec6MultiTunIfEsp(TemplateIpsec, IpsecTun6): """ IPsec IPv6 Multi Tunnel interface """ @@ -556,7 +682,7 @@ 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, @@ -650,6 +776,8 @@ 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 @@ -657,28 +785,30 @@ 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) @@ -686,8 +816,9 @@ 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: @@ -699,7 +830,9 @@ 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)) @@ -710,7 +843,7 @@ class TestIpsecGreIfEsp(TemplateIpsec, raise def setUp(self): - super(TestIpsecGreIfEsp, self).setUp() + super(TestIpsecGreTebVlanIfEsp, self).setUp() self.tun_if = self.pg0 @@ -719,6 +852,12 @@ 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, @@ -737,51 +876,58 @@ 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) @@ -789,8 +935,8 @@ 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: @@ -799,8 +945,11 @@ 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)) @@ -811,7 +960,7 @@ class TestIpsecGreIfEspTra(TemplateIpsec, raise def setUp(self): - super(TestIpsecGreIfEspTra, self).setUp() + super(TestIpsecGreTebIfEspTra, self).setUp() self.tun_if = self.pg0 @@ -834,102 +983,687 @@ 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 TestIpsecGreIfEsp(TemplateIpsec, + IpsecTun4Tests): + """ Ipsec GRE ESP - TUN tests """ tun4_encrypt_node_name = "esp4-encrypt-tun" tun4_decrypt_node_name = "esp4-decrypt-tun" - tun4_input_node = "ipsec4-tun-input" + encryption_type = ESP - def config_sa_tra(self, p): - config_tun_params(p, self.encryption_type, p.tun_if) + 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)] - 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() + 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)] - 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 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 config_sa_tun(self, p): - config_tun_params(p, self.encryption_type, p.tun_if) + 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.tun_if.remote_addr[p.addr_type], - self.tun_if.local_addr[p.addr_type], - flags=p.flags) + 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.tun_if.remote_addr[p.addr_type], - self.tun_if.local_addr[p.addr_type], - flags=p.flags) + self.pg0.remote_ip4, + self.pg0.local_ip4) p.tun_sa_in.add_vpp_config() - def config_protect(self, p): + 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() - 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() + config_tun_params(p, self.encryption_type, p.tun_if) - def unconfig_network(self, p): + 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 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): + 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() @@ -1060,7 +1794,7 @@ class TestIpsec4TunProtectTun(TemplateIpsec, def tearDown(self): super(TestIpsec4TunProtectTun, 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, @@ -1146,6 +1880,54 @@ class TestIpsec4TunProtectTun(TemplateIpsec, 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 TemplateIpsec6TunProtect(object): """ IPsec IPv6 Tunnel protect """ @@ -1171,8 +1953,8 @@ class TemplateIpsec6TunProtect(object): 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]) + 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, @@ -1239,7 +2021,7 @@ class TestIpsec6TunProtect(TemplateIpsec, super(TestIpsec6TunProtect, self).tearDown() def test_tun_66(self): - """IPSEC tunnel protect""" + """IPSEC tunnel protect 6o6""" p = self.ipv6_params @@ -1273,6 +2055,15 @@ class TestIpsec6TunProtect(TemplateIpsec, 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] @@ -1307,9 +2098,9 @@ class TestIpsec6TunProtect(TemplateIpsec, self.verify_drop_tun_66(np, count=127) c = p.tun_if.get_rx_stats() - self.assertEqual(c['packets'], 127*7) + self.assertEqual(c['packets'], 127*9) c = p.tun_if.get_tx_stats() - self.assertEqual(c['packets'], 127*7) + self.assertEqual(c['packets'], 127*8) self.unconfig_sa(np) # teardown @@ -1318,7 +2109,7 @@ class TestIpsec6TunProtect(TemplateIpsec, self.unconfig_network(p) def test_tun_46(self): - """IPSEC tunnel protect""" + """IPSEC tunnel protect 4o6""" p = self.ipv6_params @@ -1355,7 +2146,7 @@ class TestIpsec6TunProtectTun(TemplateIpsec, def tearDown(self): super(TestIpsec6TunProtectTun, 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, @@ -1441,5 +2232,54 @@ class TestIpsec6TunProtectTun(TemplateIpsec, 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) + + if __name__ == '__main__': unittest.main(testRunner=VppTestRunner)