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import socket
import unittest
from scapy.layers.ipsec import ESP
from scapy.layers.inet import UDP
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
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
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
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
4) ipsec esp 4o4 tunnel burst test
Above test for 257 pkts
TRANSPORT MODE:
--- encrypt ---
|pg2| <-------> |VPP|
--- decrypt ---
TUNNEL MODE:
--- encrypt --- plain ---
|pg0| <------- |VPP| <------ |pg1|
--- --- ---
--- 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()
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()
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(TemplateIpsecEspUdp, self).tearDown()
if not self.vpp_dead:
self.vapi.cli("show hardware")
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__':
unittest.main(testRunner=VppTestRunner)
|
