import socket
import unittest
-from scapy.layers.inet import IP, ICMP
-from scapy.layers.l2 import Ether, Raw
-from scapy.layers.ipsec import SecurityAssociation, AH
+from scapy.layers.ipsec import AH
+from scapy.layers.inet import IP, UDP
+from scapy.layers.inet6 import IPv6
+from scapy.layers.l2 import Ether
+from scapy.packet import Raw
-from framework import VppTestCase, VppTestRunner
+from framework import VppTestRunner
+from template_ipsec import TemplateIpsec, IpsecTra46Tests, IpsecTun46Tests, \
+ config_tun_params, config_tra_params, IPsecIPv4Params, IPsecIPv6Params, \
+ IpsecTra4, IpsecTun4, IpsecTra6, IpsecTun6, \
+ IpsecTun6HandoffTests, IpsecTun4HandoffTests
+from template_ipsec import IpsecTcpTests
+from vpp_ipsec import VppIpsecSA, VppIpsecSpd, VppIpsecSpdEntry,\
+ VppIpsecSpdItfBinding
+from vpp_ip_route import VppIpRoute, VppRoutePath
+from vpp_ip import DpoProto
+from vpp_papi import VppEnum
-class TestIpsecAh(VppTestCase):
+class ConfigIpsecAH(TemplateIpsec):
"""
Basic test for IPSEC using AH transport and Tunnel mode
- Below 4 cases are covered as part of this test
- 1) ipsec ah v4 transport basic test - IPv4 Transport mode
- scenario using HMAC-SHA1-96 intergrity algo
- 2) ipsec ah v4 transport burst test
- Above test for 257 pkts
- 3) ipsec ah 4o4 tunnel basic test - IPv4 Tunnel mode
- scenario using HMAC-SHA1-96 intergrity algo
- 4) ipsec ah 4o4 tunnel burst test
- Above test for 257 pkts
-
TRANSPORT MODE:
--- encrypt ---
TUNNEL MODE:
--- encrypt --- plain ---
- |pg0| -------> |VPP| ------> |pg1|
+ |pg0| <------- |VPP| <------ |pg1|
--- --- ---
--- decrypt --- plain ---
- |pg0| <------- |VPP| <------ |pg1|
+ |pg0| -------> |VPP| ------> |pg1|
--- --- ---
+ """
+ encryption_type = AH
+ net_objs = []
+ tra4_encrypt_node_name = "ah4-encrypt"
+ tra4_decrypt_node_name = "ah4-decrypt"
+ tra6_encrypt_node_name = "ah6-encrypt"
+ tra6_decrypt_node_name = "ah6-decrypt"
+ tun4_encrypt_node_name = "ah4-encrypt"
+ tun4_decrypt_node_name = "ah4-decrypt"
+ tun6_encrypt_node_name = "ah6-encrypt"
+ tun6_decrypt_node_name = "ah6-decrypt"
+
+ @classmethod
+ def setUpClass(cls):
+ super(ConfigIpsecAH, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(ConfigIpsecAH, cls).tearDownClass()
+
+ def setUp(self):
+ super(ConfigIpsecAH, self).setUp()
+
+ def tearDown(self):
+ super(ConfigIpsecAH, self).tearDown()
+
+ def config_network(self, params):
+ self.net_objs = []
+ 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()
+ self.net_objs.append(self.tra_spd)
+ self.tun_spd = VppIpsecSpd(self, self.tun_spd_id)
+ self.tun_spd.add_vpp_config()
+ self.net_objs.append(self.tun_spd)
+
+ b = VppIpsecSpdItfBinding(self, self.tra_spd,
+ self.tra_if)
+ b.add_vpp_config()
+ self.net_objs.append(b)
+
+ b = VppIpsecSpdItfBinding(self, self.tun_spd,
+ self.tun_if)
+ b.add_vpp_config()
+ self.net_objs.append(b)
+
+ for p in params:
+ self.config_ah_tra(p)
+ config_tra_params(p, self.encryption_type)
+ for p in params:
+ self.config_ah_tun(p)
+ config_tun_params(p, self.encryption_type, self.tun_if)
+ for p in params:
+ d = DpoProto.DPO_PROTO_IP6 if p.is_ipv6 else DpoProto.DPO_PROTO_IP4
+ r = VppIpRoute(self, p.remote_tun_if_host, p.addr_len,
+ [VppRoutePath(self.tun_if.remote_addr[p.addr_type],
+ 0xffffffff,
+ proto=d)])
+ r.add_vpp_config()
+ self.net_objs.append(r)
+ self.logger.info(self.vapi.ppcli("show ipsec all"))
+
+ def unconfig_network(self):
+ for o in reversed(self.net_objs):
+ o.remove_vpp_config()
+ self.net_objs = []
+
+ def config_ah_tun(self, 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
+ flags = params.flags
+ tun_flags = params.tun_flags
+ e = VppEnum.vl_api_ipsec_spd_action_t
+ objs = []
+
+ params.tun_sa_in = VppIpsecSA(self, scapy_tun_sa_id, scapy_tun_spi,
+ auth_algo_vpp_id, auth_key,
+ crypt_algo_vpp_id, crypt_key,
+ self.vpp_ah_protocol,
+ self.tun_if.local_addr[addr_type],
+ self.tun_if.remote_addr[addr_type],
+ tun_flags=tun_flags,
+ flags=flags,
+ dscp=params.dscp)
+
+ params.tun_sa_out = VppIpsecSA(self, vpp_tun_sa_id, vpp_tun_spi,
+ auth_algo_vpp_id, auth_key,
+ crypt_algo_vpp_id, crypt_key,
+ self.vpp_ah_protocol,
+ self.tun_if.remote_addr[addr_type],
+ self.tun_if.local_addr[addr_type],
+ tun_flags=tun_flags,
+ flags=flags,
+ dscp=params.dscp)
+
+ objs.append(params.tun_sa_in)
+ objs.append(params.tun_sa_out)
- Note : IPv6 is not covered
+ params.spd_policy_in_any = VppIpsecSpdEntry(self, self.tun_spd,
+ vpp_tun_sa_id,
+ addr_any, addr_bcast,
+ addr_any, addr_bcast,
+ socket.IPPROTO_AH)
+ params.spd_policy_out_any = VppIpsecSpdEntry(self, self.tun_spd,
+ vpp_tun_sa_id,
+ addr_any, addr_bcast,
+ addr_any, addr_bcast,
+ socket.IPPROTO_AH,
+ is_outbound=0)
+
+ objs.append(params.spd_policy_out_any)
+ objs.append(params.spd_policy_in_any)
+
+ e1 = VppIpsecSpdEntry(self, self.tun_spd, vpp_tun_sa_id,
+ remote_tun_if_host,
+ remote_tun_if_host,
+ self.pg1.remote_addr[addr_type],
+ self.pg1.remote_addr[addr_type],
+ 0, priority=10,
+ policy=e.IPSEC_API_SPD_ACTION_PROTECT,
+ is_outbound=0)
+ e2 = VppIpsecSpdEntry(self, self.tun_spd, scapy_tun_sa_id,
+ self.pg1.remote_addr[addr_type],
+ self.pg1.remote_addr[addr_type],
+ remote_tun_if_host,
+ remote_tun_if_host,
+ 0, policy=e.IPSEC_API_SPD_ACTION_PROTECT,
+ priority=10)
+ e3 = VppIpsecSpdEntry(self, self.tun_spd, vpp_tun_sa_id,
+ remote_tun_if_host,
+ remote_tun_if_host,
+ self.pg0.local_addr[addr_type],
+ self.pg0.local_addr[addr_type],
+ 0, priority=20,
+ policy=e.IPSEC_API_SPD_ACTION_PROTECT,
+ is_outbound=0)
+ e4 = VppIpsecSpdEntry(self, self.tun_spd, scapy_tun_sa_id,
+ self.pg0.local_addr[addr_type],
+ self.pg0.local_addr[addr_type],
+ remote_tun_if_host,
+ remote_tun_if_host,
+ 0, policy=e.IPSEC_API_SPD_ACTION_PROTECT,
+ priority=20)
+
+ objs = objs + [e1, e2, e3, e4]
+
+ for o in objs:
+ o.add_vpp_config()
+
+ self.net_objs = self.net_objs + objs
+
+ def config_ah_tra(self, 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 = params.flags | (VppEnum.vl_api_ipsec_sad_flags_t.
+ IPSEC_API_SAD_FLAG_USE_ANTI_REPLAY)
+ e = VppEnum.vl_api_ipsec_spd_action_t
+ objs = []
+
+ params.tra_sa_in = VppIpsecSA(self, scapy_tra_sa_id, scapy_tra_spi,
+ auth_algo_vpp_id, auth_key,
+ crypt_algo_vpp_id, crypt_key,
+ self.vpp_ah_protocol,
+ flags=flags)
+ params.tra_sa_out = VppIpsecSA(self, vpp_tra_sa_id, vpp_tra_spi,
+ auth_algo_vpp_id, auth_key,
+ crypt_algo_vpp_id, crypt_key,
+ self.vpp_ah_protocol,
+ flags=flags)
+
+ objs.append(params.tra_sa_in)
+ objs.append(params.tra_sa_out)
+
+ objs.append(VppIpsecSpdEntry(self, self.tra_spd, vpp_tra_sa_id,
+ addr_any, addr_bcast,
+ addr_any, addr_bcast,
+ socket.IPPROTO_AH))
+ objs.append(VppIpsecSpdEntry(self, self.tra_spd, scapy_tra_sa_id,
+ addr_any, addr_bcast,
+ addr_any, addr_bcast,
+ socket.IPPROTO_AH,
+ is_outbound=0))
+ objs.append(VppIpsecSpdEntry(self, self.tra_spd, vpp_tra_sa_id,
+ self.tra_if.local_addr[addr_type],
+ self.tra_if.local_addr[addr_type],
+ self.tra_if.remote_addr[addr_type],
+ self.tra_if.remote_addr[addr_type],
+ 0, priority=10,
+ policy=e.IPSEC_API_SPD_ACTION_PROTECT,
+ is_outbound=0))
+ objs.append(VppIpsecSpdEntry(self, self.tra_spd, scapy_tra_sa_id,
+ self.tra_if.local_addr[addr_type],
+ self.tra_if.local_addr[addr_type],
+ self.tra_if.remote_addr[addr_type],
+ self.tra_if.remote_addr[addr_type],
+ 0, policy=e.IPSEC_API_SPD_ACTION_PROTECT,
+ priority=10))
+
+ for o in objs:
+ o.add_vpp_config()
+ self.net_objs = self.net_objs + objs
+
+
+class TemplateIpsecAh(ConfigIpsecAH):
"""
+ Basic test for IPSEC using AH transport and Tunnel mode
+
+ TRANSPORT MODE:
- remote_pg0_lb_addr = '1.1.1.1'
- remote_pg1_lb_addr = '2.2.2.2'
+ --- encrypt ---
+ |pg2| <-------> |VPP|
+ --- decrypt ---
+ TUNNEL MODE:
+
+ --- encrypt --- plain ---
+ |pg0| <------- |VPP| <------ |pg1|
+ --- --- ---
+
+ --- decrypt --- plain ---
+ |pg0| -------> |VPP| ------> |pg1|
+ --- --- ---
+ """
@classmethod
def setUpClass(cls):
- super(TestIpsecAh, 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.configAhTra()
- cls.logger.info(cls.vapi.ppcli("show ipsec"))
- cls.configAhTun()
- cls.logger.info(cls.vapi.ppcli("show ipsec"))
- except Exception:
- super(TestIpsecAh, cls).tearDownClass()
- raise
+ super(TemplateIpsecAh, cls).setUpClass()
@classmethod
- def configAhTun(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)
- 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)
- 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_AH)
- cls.vapi.ipsec_spd_add_del_entry(
- spd_id,
- l_startaddr,
- l_stopaddr,
- r_startaddr,
- r_stopaddr,
- protocol=socket.IPPROTO_AH,
- 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
+ def tearDownClass(cls):
+ super(TemplateIpsecAh, cls).tearDownClass()
- @classmethod
- def configAhTra(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,
- is_tunnel=0)
- cls.vapi.ipsec_sad_add_del_entry(
- local_sa_id,
- local_tra_spi,
- integrity_key_length=20,
- 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_AH)
- cls.vapi.ipsec_spd_add_del_entry(
- spd_id,
- l_startaddr,
- l_stopaddr,
- r_startaddr,
- r_stopaddr,
- protocol=socket.IPPROTO_AH,
- 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(
- AH,
- spi=0x000003e8,
- 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(
- AH,
- spi=0x000003e9,
- 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(
- AH, spi=0x000007d0, auth_algo='HMAC-SHA1-96',
- auth_key='C91KUR9GYMm5GfkEvNjX')
- self.local_tra_sa = SecurityAssociation(
- AH, spi=0x000007d1, auth_algo='HMAC-SHA1-96',
- auth_key='C91KUR9GYMm5GfkEvNjX')
+ def setUp(self):
+ super(TemplateIpsecAh, self).setUp()
+ self.config_network(self.params.values())
def tearDown(self):
- super(TestIpsecAh, 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):
+ self.unconfig_network()
+ super(TemplateIpsecAh, self).tearDown()
+
+
+class TestIpsecAh1(TemplateIpsecAh, IpsecTcpTests):
+ """ Ipsec AH - TCP tests """
+ pass
+
+
+class TestIpsecAh2(TemplateIpsecAh, IpsecTra46Tests, IpsecTun46Tests):
+ """ Ipsec AH w/ SHA1 """
+ pass
+
+
+class TestIpsecAhTun(TemplateIpsecAh, IpsecTun46Tests):
+ """ Ipsec AH - TUN encap tests """
+
+ def setUp(self):
+ self.ipv4_params = IPsecIPv4Params()
+ self.ipv6_params = IPsecIPv6Params()
+
+ c = (VppEnum.vl_api_tunnel_encap_decap_flags_t.
+ TUNNEL_API_ENCAP_DECAP_FLAG_ENCAP_COPY_DSCP)
+ c1 = c | (VppEnum.vl_api_tunnel_encap_decap_flags_t.
+ TUNNEL_API_ENCAP_DECAP_FLAG_ENCAP_COPY_ECN)
+
+ self.ipv4_params.tun_flags = c
+ self.ipv6_params.tun_flags = c1
+
+ super(TestIpsecAhTun, self).setUp()
+
+ def gen_pkts(self, sw_intf, src, dst, count=1, payload_size=54):
+ # set the DSCP + ECN - flags are set to copy only DSCP
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ IP(src=src, dst=dst, tos=5) /
+ UDP(sport=4444, dport=4444) /
+ Raw(b'X' * payload_size)
+ for i in range(count)]
+
+ def gen_pkts6(self, sw_intf, src, dst, count=1, payload_size=54):
+ # set the DSCP + ECN - flags are set to copy both
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ IPv6(src=src, dst=dst, tc=5) /
+ UDP(sport=4444, dport=4444) /
+ Raw(b'X' * payload_size)
+ for i in range(count)]
+
+ def verify_encrypted(self, p, sa, rxs):
+ # just check that only the DSCP is copied
+ for rx in rxs:
+ self.assertEqual(rx[IP].tos, 4)
+
+ def verify_encrypted6(self, p, sa, rxs):
+ # just check that the DSCP & ECN are copied
+ for rx in rxs:
+ self.assertEqual(rx[IPv6].tc, 5)
+
+
+class TestIpsecAhTun2(TemplateIpsecAh, IpsecTun46Tests):
+ """ Ipsec AH - TUN encap tests """
+
+ def setUp(self):
+ self.ipv4_params = IPsecIPv4Params()
+ self.ipv6_params = IPsecIPv6Params()
+
+ self.ipv4_params.dscp = 3
+ self.ipv6_params.dscp = 4
+
+ super(TestIpsecAhTun2, self).setUp()
+
+ def gen_pkts(self, sw_intf, src, dst, count=1, payload_size=54):
+ # set the DSCP + ECN - flags are set to copy only DSCP
return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
- sa.encrypt(IP(src=src, dst=dst) / ICMP() /
- "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX")
- ] * count
+ IP(src=src, dst=dst, tos=0) /
+ UDP(sport=4444, dport=4444) /
+ Raw(b'X' * payload_size)
+ for i in range(count)]
- def gen_pkts(self, sw_intf, src, dst, count=1):
+ def gen_pkts6(self, sw_intf, src, dst, count=1, payload_size=54):
+ # set the DSCP + ECN - flags are set to copy both
return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
- IP(src=src, dst=dst) / ICMP() /
- "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
- ] * count
-
- def test_ipsec_ah_tra_basic(self, count=1):
- """ ipsec ah 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:
- Pkts[AH].padding = Pkts[AH].icv[12:]
- Pkts[AH].icv = Pkts[AH].icv[:12]
- 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_ah_tra_burst(self):
- """ ipsec ah v4 transport burst test """
- try:
- self.test_ipsec_ah_tra_basic(count=257)
- finally:
- self.logger.info(self.vapi.ppcli("show error"))
- self.logger.info(self.vapi.ppcli("show ipsec"))
-
- def test_ipsec_ah_tun_basic(self, count=1):
- """ ipsec ah 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])
- decrypt_pkt = IP(decrypt_pkt[Raw].load)
- 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_ah_tun_burst(self):
- """ ipsec ah 4o4 tunnel burst test """
- try:
- self.test_ipsec_ah_tun_basic(count=257)
- finally:
- self.logger.info(self.vapi.ppcli("show error"))
- self.logger.info(self.vapi.ppcli("show ipsec"))
+ IPv6(src=src, dst=dst, tc=0) /
+ UDP(sport=4444, dport=4444) /
+ Raw(b'X' * payload_size)
+ for i in range(count)]
+
+ def verify_encrypted(self, p, sa, rxs):
+ # just check that only the DSCP is copied
+ for rx in rxs:
+ self.assertEqual(rx[IP].tos, 0xc)
+
+ def verify_encrypted6(self, p, sa, rxs):
+ # just check that the DSCP & ECN are copied
+ for rx in rxs:
+ self.assertEqual(rx[IPv6].tc, 0x10)
+
+
+class TestIpsecAhHandoff(TemplateIpsecAh,
+ IpsecTun6HandoffTests,
+ IpsecTun4HandoffTests):
+ """ Ipsec AH Handoff """
+ pass
+
+
+class TestIpsecAhAll(ConfigIpsecAH,
+ IpsecTra4, IpsecTra6,
+ IpsecTun4, IpsecTun6):
+ """ Ipsec AH all Algos """
+
+ def setUp(self):
+ super(TestIpsecAhAll, self).setUp()
+
+ def tearDown(self):
+ super(TestIpsecAhAll, self).tearDown()
+
+ def test_integ_algs(self):
+ """All Engines SHA[1_96, 256, 384, 512] w/ & w/o ESN"""
+ # foreach VPP crypto engine
+ engines = ["ia32", "ipsecmb", "openssl"]
+
+ algos = [{'vpp': VppEnum.vl_api_ipsec_integ_alg_t.
+ IPSEC_API_INTEG_ALG_SHA1_96,
+ 'scapy': "HMAC-SHA1-96"},
+ {'vpp': VppEnum.vl_api_ipsec_integ_alg_t.
+ IPSEC_API_INTEG_ALG_SHA_256_128,
+ 'scapy': "SHA2-256-128"},
+ {'vpp': VppEnum.vl_api_ipsec_integ_alg_t.
+ IPSEC_API_INTEG_ALG_SHA_384_192,
+ 'scapy': "SHA2-384-192"},
+ {'vpp': VppEnum.vl_api_ipsec_integ_alg_t.
+ IPSEC_API_INTEG_ALG_SHA_512_256,
+ 'scapy': "SHA2-512-256"}]
+
+ flags = [0, (VppEnum.vl_api_ipsec_sad_flags_t.
+ IPSEC_API_SAD_FLAG_USE_ESN)]
+
+ #
+ # loop through the VPP engines
+ #
+ 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']):
+ for flag in flags:
+ #
+ # setup up the config paramters
+ #
+ self.ipv4_params = IPsecIPv4Params()
+ self.ipv6_params = IPsecIPv6Params()
+
+ self.params = {self.ipv4_params.addr_type:
+ self.ipv4_params,
+ self.ipv6_params.addr_type:
+ self.ipv6_params}
+
+ for _, p in self.params.items():
+ p.auth_algo_vpp_id = algo['vpp']
+ p.auth_algo = algo['scapy']
+ p.flags = p.flags | flag
+
+ #
+ # configure the SPDs. SAs, etc
+ #
+ self.config_network(self.params.values())
+
+ #
+ # run some traffic.
+ # An exhautsive 4o6, 6o4 is not necessary for each algo
+ #
+ self.verify_tra_basic6(count=17)
+ self.verify_tra_basic4(count=17)
+ self.verify_tun_66(self.params[socket.AF_INET6], count=17)
+ self.verify_tun_44(self.params[socket.AF_INET], count=17)
+
+ #
+ # remove the SPDs, SAs, etc
+ #
+ self.unconfig_network()
if __name__ == '__main__':
Code Review / vpp.git / blobdiff