+ 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('X' * payload_size))
+ for i in range(count)]
+
+ def gen_pkts(self, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ IP(src="1.1.1.1", dst="1.1.1.2") /
+ UDP(sport=1144, dport=2233) /
+ Raw('X' * payload_size)
+ for i in range(count)]
+
+ def 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()
+
+ self.tun = VppGreInterface(self,
+ self.pg0.local_ip4,
+ self.pg0.remote_ip4)
+ self.tun.add_vpp_config()
+
+ p.tun_protect = VppIpsecTunProtect(self,
+ self.tun,
+ p.tun_sa_out,
+ [p.tun_sa_in])
+ p.tun_protect.add_vpp_config()
+
+ self.tun.admin_up()
+ self.tun.config_ip4()
+
+ VppIpRoute(self, "1.1.1.2", 32,
+ [VppRoutePath(self.tun.remote_ip4,
+ 0xffffffff)]).add_vpp_config()
+
+ def tearDown(self):
+ self.tun.unconfig_ip4()
+ super(TestIpsecGreIfEsp, self).tearDown()
+
+
+class TemplateIpsec4TunProtect(object):
+ """ IPsec IPv4 Tunnel protect """
+
+ def config_sa_tra(self, p):
+ config_tun_params(p, self.encryption_type, self.tun_if)
+
+ p.tun_sa_out = VppIpsecSA(self, p.scapy_tun_sa_id, p.scapy_tun_spi,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.crypt_algo_vpp_id, p.crypt_key,
+ self.vpp_esp_protocol)
+ p.tun_sa_out.add_vpp_config()
+
+ p.tun_sa_in = VppIpsecSA(self, p.vpp_tun_sa_id, p.vpp_tun_spi,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.crypt_algo_vpp_id, p.crypt_key,
+ self.vpp_esp_protocol)
+ p.tun_sa_in.add_vpp_config()
+
+ def config_sa_tun(self, p):
+ config_tun_params(p, self.encryption_type, self.tun_if)
+
+ p.tun_sa_out = VppIpsecSA(self, p.scapy_tun_sa_id, p.scapy_tun_spi,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.crypt_algo_vpp_id, p.crypt_key,
+ self.vpp_esp_protocol,
+ self.tun_if.remote_addr[p.addr_type],
+ self.tun_if.local_addr[p.addr_type])
+ 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_ip4,
+ self.pg0.remote_ip4)
+ p.tun_if.add_vpp_config()
+ p.tun_if.admin_up()
+ p.tun_if.config_ip4()
+
+ 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.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"""
+
+ encryption_type = ESP
+ tun4_encrypt_node_name = "esp4-encrypt-tun"
+ tun4_decrypt_node_name = "esp4-decrypt-tun"
+
+ 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)
+
+ # rekey - create new SAs and update the tunnel protection
+ np = copy.copy(p)
+ np.crypt_key = 'X' + p.crypt_key[1:]
+ np.scapy_tun_spi += 100
+ np.scapy_tun_sa_id += 1
+ np.vpp_tun_spi += 100
+ np.vpp_tun_sa_id += 1
+ np.tun_if.local_spi = p.vpp_tun_spi
+ np.tun_if.remote_spi = p.scapy_tun_spi
+
+ self.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'], 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 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('X' * payload_size))
+ for i in range(count)]
+
+ def gen_pkts(self, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ IP(src=src, dst=dst) /
+ UDP(sport=1144, dport=2233) /
+ Raw('X' * payload_size)
+ for i in range(count)]
+
+ def verify_decrypted(self, p, rxs):
+ for rx in rxs:
+ self.assert_equal(rx[IP].dst, self.pg1.remote_ip4)
+ self.assert_equal(rx[IP].src, p.remote_tun_if_host)
+ self.assert_packet_checksums_valid(rx)
+
+ 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 = '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, self.tun_if)
+
+ p.tun_sa_out = VppIpsecSA(self, p.scapy_tun_sa_id, p.scapy_tun_spi,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.crypt_algo_vpp_id, p.crypt_key,
+ self.vpp_esp_protocol)
+ p.tun_sa_out.add_vpp_config()
+
+ p.tun_sa_in = VppIpsecSA(self, p.vpp_tun_sa_id, p.vpp_tun_spi,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.crypt_algo_vpp_id, p.crypt_key,
+ self.vpp_esp_protocol)
+ p.tun_sa_in.add_vpp_config()
+
+ def config_sa_tun(self, p):
+ config_tun_params(p, self.encryption_type, self.tun_if)
+
+ p.tun_sa_out = VppIpsecSA(self, p.scapy_tun_sa_id, p.scapy_tun_spi,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.crypt_algo_vpp_id, p.crypt_key,
+ self.vpp_esp_protocol,
+ self.tun_if.remote_addr[p.addr_type],
+ self.tun_if.local_addr[p.addr_type])
+ 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.route = VppIpRoute(self, p.remote_tun_if_host, 128,
+ [VppRoutePath(p.tun_if.remote_ip6,
+ 0xffffffff,
+ proto=DpoProto.DPO_PROTO_IP6)],
+ is_ip6=1)
+ 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 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 = '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 = '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)
+
+
+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('X' * payload_size))
+ for i in range(count)]
+
+ def gen_pkts6(self, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ IPv6(src=src, dst=dst) /
+ UDP(sport=1166, dport=2233) /
+ Raw('X' * payload_size)
+ for i in range(count)]
+
+ 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 = '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)
+
Code Review / vpp.git / blobdiff