import socket
import unittest
+from scapy.layers.ipsec import ESP
+from scapy.layers.inet import UDP
-from scapy.layers.inet import IP, ICMP
-from scapy.layers.l2 import Ether
-from scapy.layers.ipsec import SecurityAssociation, ESP
+from framework import VppTestRunner
+from template_ipsec import IpsecTra46Tests, IpsecTun46Tests, TemplateIpsec, \
+ IpsecTcpTests, IpsecTun4Tests, IpsecTra4Tests, config_tra_params
+from vpp_ipsec import VppIpsecSpd, VppIpsecSpdEntry, VppIpsecSA,\
+ VppIpsecSpdItfBinding
+from vpp_ip_route import VppIpRoute, VppRoutePath
+from vpp_ip import DpoProto
+from vpp_papi import VppEnum
-from framework import VppTestCase, VppTestRunner
+def config_esp_tun(test, params):
+ addr_type = params.addr_type
+ scapy_tun_sa_id = params.scapy_tun_sa_id
+ scapy_tun_spi = params.scapy_tun_spi
+ vpp_tun_sa_id = params.vpp_tun_sa_id
+ vpp_tun_spi = params.vpp_tun_spi
+ auth_algo_vpp_id = params.auth_algo_vpp_id
+ auth_key = params.auth_key
+ crypt_algo_vpp_id = params.crypt_algo_vpp_id
+ crypt_key = params.crypt_key
+ remote_tun_if_host = params.remote_tun_if_host
+ addr_any = params.addr_any
+ addr_bcast = params.addr_bcast
+ e = VppEnum.vl_api_ipsec_spd_action_t
-class TestIpsecEsp(VppTestCase):
+ params.tun_sa_in = VppIpsecSA(test, scapy_tun_sa_id, scapy_tun_spi,
+ auth_algo_vpp_id, auth_key,
+ crypt_algo_vpp_id, crypt_key,
+ test.vpp_esp_protocol,
+ test.tun_if.local_addr[addr_type],
+ test.tun_if.remote_addr[addr_type])
+ params.tun_sa_in.add_vpp_config()
+ params.tun_sa_out = VppIpsecSA(test, vpp_tun_sa_id, vpp_tun_spi,
+ auth_algo_vpp_id, auth_key,
+ crypt_algo_vpp_id, crypt_key,
+ test.vpp_esp_protocol,
+ test.tun_if.remote_addr[addr_type],
+ test.tun_if.local_addr[addr_type])
+ params.tun_sa_out.add_vpp_config()
+
+ params.spd_policy_in_any = VppIpsecSpdEntry(test, test.tun_spd,
+ scapy_tun_sa_id,
+ addr_any, addr_bcast,
+ addr_any, addr_bcast,
+ socket.IPPROTO_ESP)
+ params.spd_policy_in_any.add_vpp_config()
+ params.spd_policy_out_any = VppIpsecSpdEntry(test, test.tun_spd,
+ scapy_tun_sa_id,
+ addr_any, addr_bcast,
+ addr_any, addr_bcast,
+ socket.IPPROTO_ESP,
+ is_outbound=0)
+ params.spd_policy_out_any.add_vpp_config()
+
+ VppIpsecSpdEntry(test, test.tun_spd, vpp_tun_sa_id,
+ remote_tun_if_host, remote_tun_if_host,
+ test.pg1.remote_addr[addr_type],
+ test.pg1.remote_addr[addr_type],
+ 0,
+ priority=10,
+ policy=e.IPSEC_API_SPD_ACTION_PROTECT,
+ is_outbound=0).add_vpp_config()
+ VppIpsecSpdEntry(test, test.tun_spd, scapy_tun_sa_id,
+ test.pg1.remote_addr[addr_type],
+ test.pg1.remote_addr[addr_type],
+ remote_tun_if_host, remote_tun_if_host,
+ 0,
+ policy=e.IPSEC_API_SPD_ACTION_PROTECT,
+ priority=10).add_vpp_config()
+
+ VppIpsecSpdEntry(test, test.tun_spd, vpp_tun_sa_id,
+ remote_tun_if_host, remote_tun_if_host,
+ test.pg0.local_addr[addr_type],
+ test.pg0.local_addr[addr_type],
+ 0,
+ priority=20,
+ policy=e.IPSEC_API_SPD_ACTION_PROTECT,
+ is_outbound=0).add_vpp_config()
+ VppIpsecSpdEntry(test, test.tun_spd, scapy_tun_sa_id,
+ test.pg0.local_addr[addr_type],
+ test.pg0.local_addr[addr_type],
+ remote_tun_if_host, remote_tun_if_host,
+ 0,
+ policy=e.IPSEC_API_SPD_ACTION_PROTECT,
+ priority=20).add_vpp_config()
+
+
+def config_esp_tra(test, params):
+ addr_type = params.addr_type
+ scapy_tra_sa_id = params.scapy_tra_sa_id
+ scapy_tra_spi = params.scapy_tra_spi
+ vpp_tra_sa_id = params.vpp_tra_sa_id
+ vpp_tra_spi = params.vpp_tra_spi
+ auth_algo_vpp_id = params.auth_algo_vpp_id
+ auth_key = params.auth_key
+ crypt_algo_vpp_id = params.crypt_algo_vpp_id
+ crypt_key = params.crypt_key
+ addr_any = params.addr_any
+ addr_bcast = params.addr_bcast
+ flags = (VppEnum.vl_api_ipsec_sad_flags_t.
+ IPSEC_API_SAD_FLAG_USE_ANTI_REPLAY)
+ e = VppEnum.vl_api_ipsec_spd_action_t
+ flags = params.flags | flags
+
+ params.tra_sa_in = VppIpsecSA(test, scapy_tra_sa_id, scapy_tra_spi,
+ auth_algo_vpp_id, auth_key,
+ crypt_algo_vpp_id, crypt_key,
+ test.vpp_esp_protocol,
+ flags=flags)
+ params.tra_sa_in.add_vpp_config()
+ params.tra_sa_out = VppIpsecSA(test, vpp_tra_sa_id, vpp_tra_spi,
+ auth_algo_vpp_id, auth_key,
+ crypt_algo_vpp_id, crypt_key,
+ test.vpp_esp_protocol,
+ flags=flags)
+ params.tra_sa_out.add_vpp_config()
+
+ VppIpsecSpdEntry(test, test.tra_spd, vpp_tra_sa_id,
+ addr_any, addr_bcast,
+ addr_any, addr_bcast,
+ socket.IPPROTO_ESP).add_vpp_config()
+ VppIpsecSpdEntry(test, test.tra_spd, vpp_tra_sa_id,
+ addr_any, addr_bcast,
+ addr_any, addr_bcast,
+ socket.IPPROTO_ESP,
+ is_outbound=0).add_vpp_config()
+
+ VppIpsecSpdEntry(test, test.tra_spd, vpp_tra_sa_id,
+ test.tra_if.local_addr[addr_type],
+ test.tra_if.local_addr[addr_type],
+ test.tra_if.remote_addr[addr_type],
+ test.tra_if.remote_addr[addr_type],
+ 0, priority=10,
+ policy=e.IPSEC_API_SPD_ACTION_PROTECT,
+ is_outbound=0).add_vpp_config()
+ VppIpsecSpdEntry(test, test.tra_spd, scapy_tra_sa_id,
+ test.tra_if.local_addr[addr_type],
+ test.tra_if.local_addr[addr_type],
+ test.tra_if.remote_addr[addr_type],
+ test.tra_if.remote_addr[addr_type],
+ 0, policy=e.IPSEC_API_SPD_ACTION_PROTECT,
+ priority=10).add_vpp_config()
+
+
+class TemplateIpsecEsp(TemplateIpsec):
"""
Basic test for ipsec esp sanity - tunnel and transport modes.
Below 4 cases are covered as part of this test
1) ipsec esp v4 transport basic test - IPv4 Transport mode
- scenario using HMAC-SHA1-96 intergrity algo
+ scenario using HMAC-SHA1-96 integrity algo
2) ipsec esp v4 transport burst test
Above test for 257 pkts
3) ipsec esp 4o4 tunnel basic test - IPv4 Tunnel mode
- scenario using HMAC-SHA1-96 intergrity algo
+ scenario using HMAC-SHA1-96 integrity algo
4) ipsec esp 4o4 tunnel burst test
Above test for 257 pkts
--- decrypt --- plain ---
|pg0| -------> |VPP| ------> |pg1|
--- --- ---
+ """
+
+ def setUp(self):
+ super(TemplateIpsecEsp, self).setUp()
+ self.encryption_type = ESP
+ self.tun_if = self.pg0
+ self.tra_if = self.pg2
+ self.logger.info(self.vapi.ppcli("show int addr"))
+
+ self.tra_spd = VppIpsecSpd(self, self.tra_spd_id)
+ self.tra_spd.add_vpp_config()
+ VppIpsecSpdItfBinding(self, self.tra_spd,
+ self.tra_if).add_vpp_config()
+
+ for _, p in self.params.items():
+ config_esp_tra(self, p)
+ config_tra_params(p, self.encryption_type)
+ self.logger.info(self.vapi.ppcli("show ipsec"))
+
+ self.tun_spd = VppIpsecSpd(self, self.tun_spd_id)
+ self.tun_spd.add_vpp_config()
+ VppIpsecSpdItfBinding(self, self.tun_spd,
+ self.tun_if).add_vpp_config()
+
+ for _, p in self.params.items():
+ config_esp_tun(self, p)
+ self.logger.info(self.vapi.ppcli("show ipsec"))
+
+ for _, p in self.params.items():
+ d = DpoProto.DPO_PROTO_IP6 if p.is_ipv6 else DpoProto.DPO_PROTO_IP4
+ VppIpRoute(self, p.remote_tun_if_host, p.addr_len,
+ [VppRoutePath(self.tun_if.remote_addr[p.addr_type],
+ 0xffffffff,
+ proto=d)],
+ is_ip6=p.is_ipv6).add_vpp_config()
- Note : IPv6 is not covered
+ def tearDown(self):
+ super(TemplateIpsecEsp, self).tearDown()
+ if not self.vpp_dead:
+ self.vapi.cli("show hardware")
+
+
+class TestIpsecEsp1(TemplateIpsecEsp, IpsecTra46Tests, IpsecTun46Tests):
+ """ Ipsec ESP - TUN & TRA tests """
+ tra4_encrypt_node_name = "esp4-encrypt"
+ tra4_decrypt_node_name = "esp4-decrypt"
+ tra6_encrypt_node_name = "esp6-encrypt"
+ tra6_decrypt_node_name = "esp6-decrypt"
+ tun4_encrypt_node_name = "esp4-encrypt"
+ tun4_decrypt_node_name = "esp4-decrypt"
+ tun6_encrypt_node_name = "esp6-encrypt"
+ tun6_decrypt_node_name = "esp6-decrypt"
+
+
+class TestIpsecEsp2(TemplateIpsecEsp, IpsecTcpTests):
+ """ Ipsec ESP - TCP tests """
+ pass
+
+
+class TemplateIpsecEspUdp(TemplateIpsec):
+ """
+ UDP encapped ESP
"""
+ def setUp(self):
+ super(TemplateIpsecEspUdp, self).setUp()
+ self.encryption_type = ESP
+ self.tun_if = self.pg0
+ self.tra_if = self.pg2
+ self.logger.info(self.vapi.ppcli("show int addr"))
+
+ 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.tra_spd = VppIpsecSpd(self, self.tra_spd_id)
+ self.tra_spd.add_vpp_config()
+ VppIpsecSpdItfBinding(self, self.tra_spd,
+ self.tra_if).add_vpp_config()
- remote_pg0_lb_addr = '1.1.1.1'
- remote_pg1_lb_addr = '2.2.2.2'
-
- @classmethod
- def setUpClass(cls):
- super(TestIpsecEsp, cls).setUpClass()
- try:
- cls.create_pg_interfaces(range(3))
- cls.interfaces = list(cls.pg_interfaces)
- for i in cls.interfaces:
- i.admin_up()
- i.config_ip4()
- i.resolve_arp()
- cls.logger.info(cls.vapi.ppcli("show int addr"))
- cls.configEspTra()
- cls.logger.info(cls.vapi.ppcli("show ipsec"))
- cls.configEspTun()
- cls.logger.info(cls.vapi.ppcli("show ipsec"))
- except Exception:
- super(TestIpsecEsp, cls).tearDownClass()
- raise
-
- @classmethod
- def configEspTun(cls):
- try:
- spd_id = 1
- remote_sa_id = 10
- local_sa_id = 20
- remote_tun_spi = 1001
- local_tun_spi = 1000
- src4 = socket.inet_pton(socket.AF_INET, cls.remote_pg0_lb_addr)
- cls.vapi.ip_add_del_route(src4, 32, cls.pg0.remote_ip4n)
- dst4 = socket.inet_pton(socket.AF_INET, cls.remote_pg1_lb_addr)
- cls.vapi.ip_add_del_route(dst4, 32, cls.pg1.remote_ip4n)
- cls.vapi.ipsec_sad_add_del_entry(
- remote_sa_id,
- remote_tun_spi,
- cls.pg0.local_ip4n,
- cls.pg0.remote_ip4n,
- integrity_key_length=20,
- crypto_key_length=16,
- protocol=1)
- cls.vapi.ipsec_sad_add_del_entry(
- local_sa_id,
- local_tun_spi,
- cls.pg0.remote_ip4n,
- cls.pg0.local_ip4n,
- integrity_key_length=20,
- crypto_key_length=16,
- protocol=1)
- cls.vapi.ipsec_spd_add_del(spd_id)
- cls.vapi.ipsec_interface_add_del_spd(spd_id, cls.pg0.sw_if_index)
- l_startaddr = r_startaddr = socket.inet_pton(
- socket.AF_INET, "0.0.0.0")
- l_stopaddr = r_stopaddr = socket.inet_pton(
- socket.AF_INET, "255.255.255.255")
- cls.vapi.ipsec_spd_add_del_entry(
- spd_id,
- l_startaddr,
- l_stopaddr,
- r_startaddr,
- r_stopaddr,
- protocol=socket.IPPROTO_ESP)
- cls.vapi.ipsec_spd_add_del_entry(
- spd_id,
- l_startaddr,
- l_stopaddr,
- r_startaddr,
- r_stopaddr,
- protocol=socket.IPPROTO_ESP,
- is_outbound=0)
- l_startaddr = l_stopaddr = socket.inet_pton(
- socket.AF_INET, cls.remote_pg0_lb_addr)
- r_startaddr = r_stopaddr = socket.inet_pton(
- socket.AF_INET, cls.remote_pg1_lb_addr)
- cls.vapi.ipsec_spd_add_del_entry(
- spd_id,
- l_startaddr,
- l_stopaddr,
- r_startaddr,
- r_stopaddr,
- priority=10,
- policy=3,
- is_outbound=0,
- sa_id=local_sa_id)
- cls.vapi.ipsec_spd_add_del_entry(
- spd_id,
- r_startaddr,
- r_stopaddr,
- l_startaddr,
- l_stopaddr,
- priority=10,
- policy=3,
- sa_id=remote_sa_id)
- except Exception:
- raise
-
- @classmethod
- def configEspTra(cls):
- try:
- spd_id = 2
- remote_sa_id = 30
- local_sa_id = 40
- remote_tra_spi = 2001
- local_tra_spi = 2000
- cls.vapi.ipsec_sad_add_del_entry(
- remote_sa_id,
- remote_tra_spi,
- integrity_key_length=20,
- crypto_key_length=16,
- protocol=1,
- is_tunnel=0)
- cls.vapi.ipsec_sad_add_del_entry(
- local_sa_id,
- local_tra_spi,
- integrity_key_length=20,
- crypto_key_length=16,
- protocol=1,
- is_tunnel=0)
- cls.vapi.ipsec_spd_add_del(spd_id)
- cls.vapi.ipsec_interface_add_del_spd(spd_id, cls.pg2.sw_if_index)
- l_startaddr = r_startaddr = socket.inet_pton(
- socket.AF_INET, "0.0.0.0")
- l_stopaddr = r_stopaddr = socket.inet_pton(
- socket.AF_INET, "255.255.255.255")
- cls.vapi.ipsec_spd_add_del_entry(
- spd_id,
- l_startaddr,
- l_stopaddr,
- r_startaddr,
- r_stopaddr,
- protocol=socket.IPPROTO_ESP)
- cls.vapi.ipsec_spd_add_del_entry(
- spd_id,
- l_startaddr,
- l_stopaddr,
- r_startaddr,
- r_stopaddr,
- protocol=socket.IPPROTO_ESP,
- is_outbound=0)
- l_startaddr = l_stopaddr = cls.pg2.local_ip4n
- r_startaddr = r_stopaddr = cls.pg2.remote_ip4n
- cls.vapi.ipsec_spd_add_del_entry(
- spd_id,
- l_startaddr,
- l_stopaddr,
- r_startaddr,
- r_stopaddr,
- priority=10,
- policy=3,
- is_outbound=0,
- sa_id=local_sa_id)
- cls.vapi.ipsec_spd_add_del_entry(
- spd_id,
- l_startaddr,
- l_stopaddr,
- r_startaddr,
- r_stopaddr,
- priority=10,
- policy=3,
- sa_id=remote_sa_id)
- except Exception:
- raise
-
- def configScapySA(self, is_tun=False):
- if is_tun:
- self.remote_tun_sa = SecurityAssociation(
- ESP,
- spi=0x000003e8,
- crypt_algo='AES-CBC',
- crypt_key='JPjyOWBeVEQiMe7h',
- auth_algo='HMAC-SHA1-96',
- auth_key='C91KUR9GYMm5GfkEvNjX',
- tunnel_header=IP(
- src=self.pg0.remote_ip4,
- dst=self.pg0.local_ip4))
- self.local_tun_sa = SecurityAssociation(
- ESP,
- spi=0x000003e9,
- crypt_algo='AES-CBC',
- crypt_key='JPjyOWBeVEQiMe7h',
- auth_algo='HMAC-SHA1-96',
- auth_key='C91KUR9GYMm5GfkEvNjX',
- tunnel_header=IP(
- dst=self.pg0.remote_ip4,
- src=self.pg0.local_ip4))
- else:
- self.remote_tra_sa = SecurityAssociation(
- ESP,
- spi=0x000007d0,
- crypt_algo='AES-CBC',
- crypt_key='JPjyOWBeVEQiMe7h',
- auth_algo='HMAC-SHA1-96',
- auth_key='C91KUR9GYMm5GfkEvNjX')
- self.local_tra_sa = SecurityAssociation(
- ESP,
- spi=0x000007d1,
- crypt_algo='AES-CBC',
- crypt_key='JPjyOWBeVEQiMe7h',
- auth_algo='HMAC-SHA1-96',
- auth_key='C91KUR9GYMm5GfkEvNjX')
+ config_esp_tra(self, p)
+ config_tra_params(p, self.encryption_type)
+
+ self.tun_spd = VppIpsecSpd(self, self.tun_spd_id)
+ self.tun_spd.add_vpp_config()
+ VppIpsecSpdItfBinding(self, self.tun_spd,
+ self.tun_if).add_vpp_config()
+
+ config_esp_tun(self, p)
+ self.logger.info(self.vapi.ppcli("show ipsec"))
+
+ d = DpoProto.DPO_PROTO_IP4
+ VppIpRoute(self, p.remote_tun_if_host, p.addr_len,
+ [VppRoutePath(self.tun_if.remote_addr[p.addr_type],
+ 0xffffffff,
+ proto=d)]).add_vpp_config()
def tearDown(self):
- super(TestIpsecEsp, self).tearDown()
+ super(TemplateIpsecEspUdp, self).tearDown()
if not self.vpp_dead:
self.vapi.cli("show hardware")
- def send_and_expect(self, input, pkts, output, count=1):
- input.add_stream(pkts)
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
- rx = output.get_capture(count)
- return rx
-
- def gen_encrypt_pkts(self, sa, sw_intf, src, dst, count=1):
- return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
- sa.encrypt(IP(src=src, dst=dst) / ICMP() /
- "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX")
- ] * count
-
- def gen_pkts(self, sw_intf, src, dst, count=1):
- return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
- IP(src=src, dst=dst) / ICMP() /
- "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
- ] * count
-
- def test_ipsec_esp_tra_basic(self, count=1):
- """ ipsec esp v4 transport basic test """
- try:
- self.configScapySA()
- send_pkts = self.gen_encrypt_pkts(
- self.remote_tra_sa,
- self.pg2,
- src=self.pg2.remote_ip4,
- dst=self.pg2.local_ip4,
- count=count)
- recv_pkts = self.send_and_expect(
- self.pg2, send_pkts, self.pg2, count=count)
- # ESP TRA VPP encryption/decryption verification
- for Pkts in recv_pkts:
- self.local_tra_sa.decrypt(Pkts[IP])
- finally:
- self.logger.info(self.vapi.ppcli("show error"))
- self.logger.info(self.vapi.ppcli("show ipsec"))
-
- def test_ipsec_esp_tra_burst(self):
- """ ipsec esp v4 transport burst test """
- try:
- self.test_ipsec_esp_tra_basic(count=257)
- finally:
- self.logger.info(self.vapi.ppcli("show error"))
- self.logger.info(self.vapi.ppcli("show ipsec"))
-
- def test_ipsec_esp_tun_basic(self, count=1):
- """ ipsec esp 4o4 tunnel basic test """
- try:
- self.configScapySA(is_tun=True)
- send_pkts = self.gen_encrypt_pkts(
- self.remote_tun_sa,
- self.pg0,
- src=self.remote_pg0_lb_addr,
- dst=self.remote_pg1_lb_addr,
- count=count)
- recv_pkts = self.send_and_expect(
- self.pg0, send_pkts, self.pg1, count=count)
- # ESP TUN VPP decryption verification
- for recv_pkt in recv_pkts:
- self.assert_equal(recv_pkt[IP].src, self.remote_pg0_lb_addr)
- self.assert_equal(recv_pkt[IP].dst, self.remote_pg1_lb_addr)
- send_pkts = self.gen_pkts(
- self.pg1,
- src=self.remote_pg1_lb_addr,
- dst=self.remote_pg0_lb_addr,
- count=count)
- recv_pkts = self.send_and_expect(
- self.pg1, send_pkts, self.pg0, count=count)
- # ESP TUN VPP encryption verification
- for recv_pkt in recv_pkts:
- decrypt_pkt = self.local_tun_sa.decrypt(recv_pkt[IP])
- self.assert_equal(decrypt_pkt.src, self.remote_pg1_lb_addr)
- self.assert_equal(decrypt_pkt.dst, self.remote_pg0_lb_addr)
- finally:
- self.logger.info(self.vapi.ppcli("show error"))
- self.logger.info(self.vapi.ppcli("show ipsec"))
-
- def test_ipsec_esp_tun_burst(self):
- """ ipsec esp 4o4 tunnel burst test """
- try:
- self.test_ipsec_esp_tun_basic(count=257)
- finally:
- self.logger.info(self.vapi.ppcli("show error"))
- self.logger.info(self.vapi.ppcli("show ipsec"))
+
+class TestIpsecEspUdp(TemplateIpsecEspUdp, IpsecTra4Tests, IpsecTun4Tests):
+ """ Ipsec NAT-T ESP UDP tests """
+ tra4_encrypt_node_name = "esp4-encrypt"
+ tra4_decrypt_node_name = "esp4-decrypt"
+ tun4_encrypt_node_name = "esp4-encrypt"
+ tun4_decrypt_node_name = "esp4-decrypt"
+ pass
if __name__ == '__main__':
Code Review / vpp.git / blobdiff