import unittest
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 VppTestRunner
from template_ipsec import TemplateIpsec, IpsecTra46Tests, IpsecTun46Tests, \
- config_tun_params, config_tra_params, IPsecIPv4Params, IPsecIPv6Params
+ 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_papi import VppEnum
-class TemplateIpsecAh(TemplateIpsec):
+class ConfigIpsecAH(TemplateIpsec):
"""
Basic test for IPSEC using AH transport and Tunnel mode
|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(TemplateIpsecAh, self).setUp()
+ super(ConfigIpsecAH, self).setUp()
- self.encryption_type = AH
+ 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()
- VppIpsecSpdItfBinding(self, self.tra_spd,
- self.tra_if).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()
- VppIpsecSpdItfBinding(self, self.tun_spd,
- self.tun_if).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 self.params.items():
+ for p in params:
self.config_ah_tra(p)
config_tra_params(p, self.encryption_type)
- self.logger.info(self.vapi.ppcli("show ipsec"))
- for _, p in self.params.items():
+ for p in params:
self.config_ah_tun(p)
- self.logger.info(self.vapi.ppcli("show ipsec"))
- for _, p in self.params.items():
+ 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
- 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()
-
- def tearDown(self):
- super(TemplateIpsecAh, self).tearDown()
- if not self.vpp_dead:
- self.vapi.cli("show hardware")
+ 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
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.outer_hop_limit = 253
+ params.outer_flow_label = 0x12345
params.tun_sa_in = VppIpsecSA(self, scapy_tun_sa_id, scapy_tun_spi,
auth_algo_vpp_id, auth_key,
self.vpp_ah_protocol,
self.tun_if.local_addr[addr_type],
self.tun_if.remote_addr[addr_type],
- flags=flags)
- params.tun_sa_in.add_vpp_config()
+ 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],
- flags=flags)
- params.tun_sa_out.add_vpp_config()
+ tun_flags=tun_flags,
+ flags=flags,
+ dscp=params.dscp)
+
+ objs.append(params.tun_sa_in)
+ objs.append(params.tun_sa_out)
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_in_any.add_vpp_config()
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)
- params.spd_policy_out_any.add_vpp_config()
-
- 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).add_vpp_config()
- 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).add_vpp_config()
-
- 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).add_vpp_config()
- 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).add_vpp_config()
+
+ 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
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_in.add_vpp_config()
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)
- params.tra_sa_out.add_vpp_config()
-
- VppIpsecSpdEntry(self, self.tra_spd, vpp_tra_sa_id,
- addr_any, addr_bcast,
- addr_any, addr_bcast,
- socket.IPPROTO_AH).add_vpp_config()
- VppIpsecSpdEntry(self, self.tra_spd, scapy_tra_sa_id,
- addr_any, addr_bcast,
- addr_any, addr_bcast,
- socket.IPPROTO_AH,
- is_outbound=0).add_vpp_config()
-
- 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).add_vpp_config()
- 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).add_vpp_config()
-
-
-class TestIpsecAh1(TemplateIpsecAh, IpsecTra46Tests, IpsecTun46Tests):
- """ Ipsec AH - TUN & TRA tests """
- 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"
+ 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:
-class TestIpsecAh2(TemplateIpsecAh, IpsecTcpTests):
+ --- encrypt ---
+ |pg2| <-------> |VPP|
+ --- decrypt ---
+
+ TUNNEL MODE:
+
+ --- encrypt --- plain ---
+ |pg0| <------- |VPP| <------ |pg1|
+ --- --- ---
+
+ --- decrypt --- plain ---
+ |pg0| -------> |VPP| ------> |pg1|
+ --- --- ---
+ """
+ @classmethod
+ def setUpClass(cls):
+ super(TemplateIpsecAh, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TemplateIpsecAh, cls).tearDownClass()
+
+ def setUp(self):
+ super(TemplateIpsecAh, self).setUp()
+ self.config_network(self.params.values())
+
+ def tearDown(self):
+ self.unconfig_network()
+ super(TemplateIpsecAh, self).tearDown()
+
+
+class TestIpsecAh1(TemplateIpsecAh, IpsecTcpTests):
""" Ipsec AH - TCP tests """
pass
-class TestIpsecAh3(TemplateIpsecAh, IpsecTra46Tests, IpsecTun46Tests):
- """ Ipsec AH w/ ESN - TCP tests """
+class TestIpsecAh2(TemplateIpsecAh, IpsecTra46Tests, IpsecTun46Tests):
+ """ Ipsec AH w/ SHA1 """
+ pass
- 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"
- def setup_params(self):
+class TestIpsecAhTun(TemplateIpsecAh, IpsecTun46Tests):
+ """ Ipsec AH - TUN encap tests """
+
+ def setUp(self):
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.flags = (VppEnum.vl_api_ipsec_sad_flags_t.
- IPSEC_API_SAD_FLAG_USE_ESN)
+
+ 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, p, 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) /
+ IP(src=src, dst=dst, tos=0) /
+ UDP(sport=4444, dport=4444) /
+ Raw(b'X' * payload_size)
+ for i in range(count)]
+
+ def gen_pkts6(self, p, 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=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__':
unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / blobdiff