import unittest
import socket
import copy
-from scapy.layers.ipsec import ESP
+
+from scapy.layers.ipsec import SecurityAssociation, ESP
+from scapy.layers.l2 import Ether, Raw, GRE
+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, config_tun_params
+ IpsecTun4, IpsecTun6, IpsecTcpTests, mk_scapy_crypt_key
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 util import ppp
+from vpp_papi import VppEnum
+
+
+def config_tun_params(p, encryption_type, tun_if):
+ 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))
+ crypt_key = mk_scapy_crypt_key(p)
+ 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),
+ nat_t_header=p.nat_header,
+ use_esn=use_esn)
+ 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),
+ nat_t_header=p.nat_header,
+ use_esn=use_esn)
class TemplateIpsec4TunIfEsp(TemplateIpsec):
encryption_type = ESP
+ @classmethod
+ def setUpClass(cls):
+ super(TemplateIpsec4TunIfEsp, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TemplateIpsec4TunIfEsp, cls).tearDownClass()
+
def setUp(self):
super(TemplateIpsec4TunIfEsp, self).setUp()
self.tun_if = self.pg0
p = self.ipv4_params
- tun_if = VppIpsecTunInterface(self, self.pg0, p.vpp_tun_spi,
- p.scapy_tun_spi, p.crypt_algo_vpp_id,
- p.crypt_key, p.crypt_key,
- p.auth_algo_vpp_id, p.auth_key,
- p.auth_key)
- tun_if.add_vpp_config()
- tun_if.admin_up()
- tun_if.config_ip4()
- tun_if.config_ip6()
-
- VppIpRoute(self, p.remote_tun_if_host, 32,
- [VppRoutePath(tun_if.remote_ip4,
- 0xffffffff)]).add_vpp_config()
- VppIpRoute(self, p.remote_tun_if_host6, 128,
- [VppRoutePath(tun_if.remote_ip6,
- 0xffffffff,
- proto=DpoProto.DPO_PROTO_IP6)],
- is_ip6=1).add_vpp_config()
+
+ 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()
def tearDown(self):
- if not self.vpp_dead:
- self.vapi.cli("show hardware")
super(TemplateIpsec4TunIfEsp, self).tearDown()
+class TemplateIpsec4TunIfEspUdp(TemplateIpsec):
+ """ IPsec UDP tunnel interface tests """
+
+ tun4_encrypt_node_name = "esp4-encrypt-tun"
+ tun4_decrypt_node_name = "esp4-decrypt-tun"
+ encryption_type = ESP
+
+ @classmethod
+ def setUpClass(cls):
+ super(TemplateIpsec4TunIfEspUdp, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TemplateIpsec4TunIfEspUdp, cls).tearDownClass()
+
+ 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)
+
+ 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()
+
+ def tearDown(self):
+ super(TemplateIpsec4TunIfEspUdp, self).tearDown()
+
+
class TestIpsec4TunIfEsp1(TemplateIpsec4TunIfEsp, IpsecTun4Tests):
""" Ipsec ESP - TUN tests """
- tun4_encrypt_node_name = "esp4-encrypt"
- tun4_decrypt_node_name = "esp4-decrypt"
+ tun4_encrypt_node_name = "esp4-encrypt-tun"
+ tun4_decrypt_node_name = "esp4-decrypt-tun"
def test_tun_basic64(self):
""" ipsec 6o4 tunnel basic test """
+ self.tun4_encrypt_node_name = "esp4-encrypt-tun"
+
self.verify_tun_64(self.params[socket.AF_INET], count=1)
def test_tun_burst64(self):
""" ipsec 6o4 tunnel basic test """
+ self.tun4_encrypt_node_name = "esp4-encrypt-tun"
+
self.verify_tun_64(self.params[socket.AF_INET], count=257)
+ def test_tun_basic_frag44(self):
+ """ ipsec 4o4 tunnel frag basic test """
+ self.tun4_encrypt_node_name = "esp4-encrypt-tun"
+
+ p = self.ipv4_params
+
+ self.vapi.sw_interface_set_mtu(p.tun_if.sw_if_index,
+ [1500, 0, 0, 0])
+ self.verify_tun_44(self.params[socket.AF_INET],
+ count=1, payload_size=1800, n_rx=2)
+ self.vapi.sw_interface_set_mtu(p.tun_if.sw_if_index,
+ [9000, 0, 0, 0])
+
+
+class TestIpsec4TunIfEspUdp(TemplateIpsec4TunIfEspUdp, IpsecTun4Tests):
+ """ Ipsec ESP UDP tests """
+
+ tun4_input_node = "ipsec4-tun-input"
+
+ def test_keepalive(self):
+ """ IPSEC NAT Keepalive """
+ self.verify_keepalive(self.ipv4_params)
+
class TestIpsec4TunIfEsp2(TemplateIpsec4TunIfEsp, IpsecTcpTests):
""" Ipsec ESP - TCP tests """
self.tun_if = self.pg0
p = self.ipv6_params
- tun_if = VppIpsecTunInterface(self, self.pg0, p.vpp_tun_spi,
- p.scapy_tun_spi, p.crypt_algo_vpp_id,
- p.crypt_key, p.crypt_key,
- p.auth_algo_vpp_id, p.auth_key,
- p.auth_key, is_ip6=True)
- tun_if.add_vpp_config()
- tun_if.admin_up()
- tun_if.config_ip6()
- tun_if.config_ip4()
-
- VppIpRoute(self, p.remote_tun_if_host, 128,
- [VppRoutePath(tun_if.remote_ip6,
- 0xffffffff,
- proto=DpoProto.DPO_PROTO_IP6)],
- is_ip6=1).add_vpp_config()
- VppIpRoute(self, p.remote_tun_if_host4, 32,
- [VppRoutePath(tun_if.remote_ip4,
- 0xffffffff)]).add_vpp_config()
+ p.tun_if = VppIpsecTunInterface(self, self.pg0, p.vpp_tun_spi,
+ p.scapy_tun_spi, p.crypt_algo_vpp_id,
+ p.crypt_key, p.crypt_key,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.auth_key, is_ip6=True)
+ p.tun_if.add_vpp_config()
+ p.tun_if.admin_up()
+ p.tun_if.config_ip6()
+ 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()
+ r = VppIpRoute(self, p.remote_tun_if_host4, 32,
+ [VppRoutePath(p.tun_if.remote_ip4,
+ 0xffffffff)])
+ r.add_vpp_config()
def tearDown(self):
- if not self.vpp_dead:
- self.vapi.cli("show hardware")
super(TemplateIpsec6TunIfEsp, self).tearDown()
class TestIpsec6TunIfEsp1(TemplateIpsec6TunIfEsp, IpsecTun6Tests):
""" Ipsec ESP - TUN tests """
- tun6_encrypt_node_name = "esp6-encrypt"
- tun6_decrypt_node_name = "esp6-decrypt"
+ 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)
""" IPsec IPv4 Multi Tunnel interface """
encryption_type = ESP
- tun4_encrypt_node_name = "esp4-encrypt"
- tun4_decrypt_node_name = "esp4-decrypt"
+ tun4_encrypt_node_name = "esp4-encrypt-tun"
+ tun4_decrypt_node_name = "esp4-decrypt-tun"
def setUp(self):
super(TestIpsec4MultiTunIfEsp, self).setUp()
self.tun_if = self.pg0
self.multi_params = []
+ self.pg0.generate_remote_hosts(10)
+ self.pg0.configure_ipv4_neighbors()
for ii in range(10):
p = copy.copy(self.ipv4_params)
p.vpp_tra_sa_id = p.vpp_tra_sa_id + ii
p.vpp_tra_spi = p.vpp_tra_spi + ii
- config_tun_params(p, self.encryption_type, self.tun_if)
- self.multi_params.append(p)
-
p.tun_if = VppIpsecTunInterface(self, self.pg0, p.vpp_tun_spi,
p.scapy_tun_spi,
p.crypt_algo_vpp_id,
p.crypt_key, p.crypt_key,
p.auth_algo_vpp_id, p.auth_key,
- p.auth_key)
+ p.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()
def tearDown(self):
- if not self.vpp_dead:
- self.vapi.cli("show hardware")
super(TestIpsec4MultiTunIfEsp, self).tearDown()
def test_tun_44(self):
self.assertEqual(c['packets'], 127)
+class TestIpsec4TunIfEspAll(TemplateIpsec, IpsecTun4):
+ """ IPsec IPv4 Tunnel interface all Algos """
+
+ encryption_type = ESP
+ tun4_encrypt_node_name = "esp4-encrypt-tun"
+ tun4_decrypt_node_name = "esp4-decrypt-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
+
+ def tearDown(self):
+ super(TestIpsec4TunIfEspAll, self).tearDown()
+
+ def rekey(self, p):
+ #
+ # change the key and the SPI
+ #
+ p.crypt_key = b'X' + p.crypt_key[1:]
+ p.scapy_tun_spi += 1
+ p.scapy_tun_sa_id += 1
+ p.vpp_tun_spi += 1
+ p.vpp_tun_sa_id += 1
+ p.tun_if.local_spi = p.vpp_tun_spi
+ p.tun_if.remote_spi = p.scapy_tun_spi
+
+ config_tun_params(p, self.encryption_type, 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.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.logger.info(self.vapi.cli("sh ipsec sa"))
+
+ def test_tun_44(self):
+ """IPSEC tunnel all algos """
+
+ # foreach VPP crypto engine
+ engines = ["ia32", "ipsecmb", "openssl"]
+
+ # foreach crypto algorithm
+ algos = [{'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t.
+ IPSEC_API_CRYPTO_ALG_AES_GCM_128),
+ 'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t.
+ IPSEC_API_INTEG_ALG_NONE),
+ 'scapy-crypto': "AES-GCM",
+ 'scapy-integ': "NULL",
+ 'key': b"JPjyOWBeVEQiMe7h",
+ 'salt': 3333},
+ {'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t.
+ IPSEC_API_CRYPTO_ALG_AES_GCM_192),
+ 'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t.
+ IPSEC_API_INTEG_ALG_NONE),
+ 'scapy-crypto': "AES-GCM",
+ 'scapy-integ': "NULL",
+ 'key': b"JPjyOWBeVEQiMe7hJPjyOWBe",
+ 'salt': 0},
+ {'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t.
+ IPSEC_API_CRYPTO_ALG_AES_GCM_256),
+ 'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t.
+ IPSEC_API_INTEG_ALG_NONE),
+ 'scapy-crypto': "AES-GCM",
+ 'scapy-integ': "NULL",
+ 'key': b"JPjyOWBeVEQiMe7hJPjyOWBeVEQiMe7h",
+ 'salt': 9999},
+ {'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t.
+ IPSEC_API_CRYPTO_ALG_AES_CBC_128),
+ 'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t.
+ IPSEC_API_INTEG_ALG_SHA1_96),
+ 'scapy-crypto': "AES-CBC",
+ 'scapy-integ': "HMAC-SHA1-96",
+ 'salt': 0,
+ 'key': b"JPjyOWBeVEQiMe7h"},
+ {'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t.
+ IPSEC_API_CRYPTO_ALG_AES_CBC_192),
+ 'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t.
+ IPSEC_API_INTEG_ALG_SHA1_96),
+ 'scapy-crypto': "AES-CBC",
+ 'scapy-integ': "HMAC-SHA1-96",
+ '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),
+ 'scapy-crypto': "AES-CBC",
+ 'scapy-integ': "HMAC-SHA1-96",
+ 'salt': 0,
+ 'key': b"JPjyOWBeVEQiMe7hJPjyOWBeVEQiMe7h"},
+ {'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t.
+ IPSEC_API_CRYPTO_ALG_NONE),
+ 'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t.
+ IPSEC_API_INTEG_ALG_SHA1_96),
+ 'scapy-crypto': "NULL",
+ 'scapy-integ': "HMAC-SHA1-96",
+ 'salt': 0,
+ 'key': b"JPjyOWBeVEQiMe7hJPjyOWBeVEQiMe7h"}]
+
+ for engine in engines:
+ self.vapi.cli("set crypto handler all %s" % engine)
+
+ #
+ # loop through each of the algorithms
+ #
+ for algo in algos:
+ # with self.subTest(algo=algo['scapy']):
+
+ p = copy.copy(self.ipv4_params)
+ p.auth_algo_vpp_id = algo['vpp-integ']
+ p.crypt_algo_vpp_id = algo['vpp-crypto']
+ p.crypt_algo = algo['scapy-crypto']
+ p.auth_algo = algo['scapy-integ']
+ p.crypt_key = algo['key']
+ p.salt = algo['salt']
+
+ self.config_network(p)
+
+ self.verify_tun_44(p, count=127)
+ c = p.tun_if.get_rx_stats()
+ self.assertEqual(c['packets'], 127)
+ c = p.tun_if.get_tx_stats()
+ self.assertEqual(c['packets'], 127)
+
+ #
+ # 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 TestIpsec6MultiTunIfEsp(TemplateIpsec, IpsecTun6):
""" IPsec IPv6 Multi Tunnel interface """
encryption_type = ESP
- tun6_encrypt_node_name = "esp6-encrypt"
- tun6_decrypt_node_name = "esp6-decrypt"
+ tun6_encrypt_node_name = "esp6-encrypt-tun"
+ tun6_decrypt_node_name = "esp6-decrypt-tun"
def setUp(self):
super(TestIpsec6MultiTunIfEsp, self).setUp()
self.tun_if = self.pg0
self.multi_params = []
+ self.pg0.generate_remote_hosts(10)
+ self.pg0.configure_ipv6_neighbors()
for ii in range(10):
p = copy.copy(self.ipv6_params)
p.vpp_tra_sa_id = p.vpp_tra_sa_id + ii
p.vpp_tra_spi = p.vpp_tra_spi + ii
- config_tun_params(p, self.encryption_type, self.tun_if)
- self.multi_params.append(p)
-
p.tun_if = VppIpsecTunInterface(self, self.pg0, p.vpp_tun_spi,
p.scapy_tun_spi,
p.crypt_algo_vpp_id,
p.crypt_key, p.crypt_key,
p.auth_algo_vpp_id, p.auth_key,
- p.auth_key, is_ip6=True)
+ p.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)
- VppIpRoute(self, p.remote_tun_if_host, 128,
- [VppRoutePath(p.tun_if.remote_ip6,
- 0xffffffff,
- proto=DpoProto.DPO_PROTO_IP6)],
- is_ip6=1).add_vpp_config()
+ 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()
def tearDown(self):
- if not self.vpp_dead:
- self.vapi.cli("show hardware")
super(TestIpsec6MultiTunIfEsp, self).tearDown()
def test_tun_66(self):
self.assertEqual(c['packets'], 127)
+class TestIpsecGreTebIfEsp(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,
+ 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:
+ 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(TestIpsecGreTebIfEsp, 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,
+ 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)
+
+ 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(TestIpsecGreTebIfEsp, 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, 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 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.remote_addr[p.addr_type],
+ self.tun_if.local_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()
+
+ 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)
+
+ # 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=5454, 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 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, 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)
+
+ 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 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.remote_addr[p.addr_type],
+ self.tun_if.local_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):
+ """ 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"""
+
+ 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)
+
+ # 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*7)
+ c = p.tun_if.get_tx_stats()
+ self.assertEqual(c['packets'], 127*7)
+ 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"""
+
+ 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, 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)
+
+
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / blobdiff