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import unittest
import socket
import copy
from scapy.layers.ipsec import ESP
from scapy.layers.l2 import Ether, Raw, GRE
from scapy.layers.inet import IP, UDP
from framework import VppTestRunner, is_skip_aarch64_set, is_platform_aarch64
from template_ipsec import TemplateIpsec, IpsecTun4Tests, IpsecTun6Tests, \
IpsecTun4, IpsecTun6, IpsecTcpTests, config_tun_params
from vpp_ipsec_tun_interface import VppIpsecTunInterface, \
VppIpsecGRETunInterface
from vpp_ip_route import VppIpRoute, VppRoutePath, DpoProto
from vpp_ipsec import VppIpsecSA
from vpp_l2 import VppBridgeDomain, VppBridgeDomainPort
from util import ppp
class TemplateIpsec4TunIfEsp(TemplateIpsec):
""" IPsec tunnel interface tests """
encryption_type = ESP
@classmethod
def setUpClass(cls):
super(TemplateIpsec4TunIfEsp, cls).setUpClass()
@classmethod
def tearDownClass(cls):
super(TemplateIpsec4TunIfEsp, cls).tearDownClass()
def setUp(self):
super(TemplateIpsec4TunIfEsp, self).setUp()
self.tun_if = self.pg0
p = self.ipv4_params
p.tun_if = VppIpsecTunInterface(self, self.pg0, p.vpp_tun_spi,
p.scapy_tun_spi, p.crypt_algo_vpp_id,
p.crypt_key, p.crypt_key,
p.auth_algo_vpp_id, p.auth_key,
p.auth_key)
p.tun_if.add_vpp_config()
p.tun_if.admin_up()
p.tun_if.config_ip4()
p.tun_if.config_ip6()
VppIpRoute(self, p.remote_tun_if_host, 32,
[VppRoutePath(p.tun_if.remote_ip4,
0xffffffff)]).add_vpp_config()
VppIpRoute(self, p.remote_tun_if_host6, 128,
[VppRoutePath(p.tun_if.remote_ip6,
0xffffffff,
proto=DpoProto.DPO_PROTO_IP6)],
is_ip6=1).add_vpp_config()
def tearDown(self):
if not self.vpp_dead:
self.vapi.cli("show hardware")
super(TemplateIpsec4TunIfEsp, self).tearDown()
class TestIpsec4TunIfEsp1(TemplateIpsec4TunIfEsp, IpsecTun4Tests):
""" Ipsec ESP - TUN tests """
tun4_encrypt_node_name = "esp4-encrypt"
tun4_decrypt_node_name = "esp4-decrypt"
def test_tun_basic64(self):
""" ipsec 6o4 tunnel basic test """
self.verify_tun_64(self.params[socket.AF_INET], count=1)
def test_tun_burst64(self):
""" ipsec 6o4 tunnel basic test """
self.verify_tun_64(self.params[socket.AF_INET], count=257)
def test_tun_basic_frag44(self):
""" ipsec 4o4 tunnel frag basic test """
p = self.ipv4_params
self.vapi.sw_interface_set_mtu(p.tun_if.sw_if_index,
[1500, 0, 0, 0])
self.verify_tun_44(self.params[socket.AF_INET],
count=1, payload_size=1800, n_rx=2)
self.vapi.sw_interface_set_mtu(p.tun_if.sw_if_index,
[9000, 0, 0, 0])
class TestIpsec4TunIfEsp2(TemplateIpsec4TunIfEsp, IpsecTcpTests):
""" Ipsec ESP - TCP tests """
pass
class TemplateIpsec6TunIfEsp(TemplateIpsec):
""" IPsec tunnel interface tests """
encryption_type = ESP
def setUp(self):
super(TemplateIpsec6TunIfEsp, self).setUp()
self.tun_if = self.pg0
p = self.ipv6_params
tun_if = VppIpsecTunInterface(self, self.pg0, p.vpp_tun_spi,
p.scapy_tun_spi, p.crypt_algo_vpp_id,
p.crypt_key, p.crypt_key,
p.auth_algo_vpp_id, p.auth_key,
p.auth_key, is_ip6=True)
tun_if.add_vpp_config()
tun_if.admin_up()
tun_if.config_ip6()
tun_if.config_ip4()
VppIpRoute(self, p.remote_tun_if_host, 128,
[VppRoutePath(tun_if.remote_ip6,
0xffffffff,
proto=DpoProto.DPO_PROTO_IP6)],
is_ip6=1).add_vpp_config()
VppIpRoute(self, p.remote_tun_if_host4, 32,
[VppRoutePath(tun_if.remote_ip4,
0xffffffff)]).add_vpp_config()
def tearDown(self):
if not self.vpp_dead:
self.vapi.cli("show hardware")
super(TemplateIpsec6TunIfEsp, self).tearDown()
class TestIpsec6TunIfEsp1(TemplateIpsec6TunIfEsp, IpsecTun6Tests):
""" Ipsec ESP - TUN tests """
tun6_encrypt_node_name = "esp6-encrypt"
tun6_decrypt_node_name = "esp6-decrypt"
def test_tun_basic46(self):
""" ipsec 4o6 tunnel basic test """
self.verify_tun_46(self.params[socket.AF_INET6], count=1)
def test_tun_burst46(self):
""" ipsec 4o6 tunnel burst test """
self.verify_tun_46(self.params[socket.AF_INET6], count=257)
class TestIpsec4MultiTunIfEsp(TemplateIpsec, IpsecTun4):
""" IPsec IPv4 Multi Tunnel interface """
encryption_type = ESP
tun4_encrypt_node_name = "esp4-encrypt"
tun4_decrypt_node_name = "esp4-decrypt"
def setUp(self):
super(TestIpsec4MultiTunIfEsp, self).setUp()
self.tun_if = self.pg0
self.multi_params = []
for ii in range(10):
p = copy.copy(self.ipv4_params)
p.remote_tun_if_host = "1.1.1.%d" % (ii + 1)
p.scapy_tun_sa_id = p.scapy_tun_sa_id + ii
p.scapy_tun_spi = p.scapy_tun_spi + ii
p.vpp_tun_sa_id = p.vpp_tun_sa_id + ii
p.vpp_tun_spi = p.vpp_tun_spi + ii
p.scapy_tra_sa_id = p.scapy_tra_sa_id + ii
p.scapy_tra_spi = p.scapy_tra_spi + ii
p.vpp_tra_sa_id = p.vpp_tra_sa_id + ii
p.vpp_tra_spi = p.vpp_tra_spi + ii
config_tun_params(p, self.encryption_type, self.tun_if)
self.multi_params.append(p)
p.tun_if = VppIpsecTunInterface(self, self.pg0, p.vpp_tun_spi,
p.scapy_tun_spi,
p.crypt_algo_vpp_id,
p.crypt_key, p.crypt_key,
p.auth_algo_vpp_id, p.auth_key,
p.auth_key)
p.tun_if.add_vpp_config()
p.tun_if.admin_up()
p.tun_if.config_ip4()
VppIpRoute(self, p.remote_tun_if_host, 32,
[VppRoutePath(p.tun_if.remote_ip4,
0xffffffff)]).add_vpp_config()
def tearDown(self):
if not self.vpp_dead:
self.vapi.cli("show hardware")
super(TestIpsec4MultiTunIfEsp, self).tearDown()
def test_tun_44(self):
"""Multiple IPSEC tunnel interfaces """
for p in self.multi_params:
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)
class TestIpsec6MultiTunIfEsp(TemplateIpsec, IpsecTun6):
""" IPsec IPv6 Multi Tunnel interface """
encryption_type = ESP
tun6_encrypt_node_name = "esp6-encrypt"
tun6_decrypt_node_name = "esp6-decrypt"
def setUp(self):
super(TestIpsec6MultiTunIfEsp, self).setUp()
self.tun_if = self.pg0
self.multi_params = []
for ii in range(10):
p = copy.copy(self.ipv6_params)
p.remote_tun_if_host = "1111::%d" % (ii + 1)
p.scapy_tun_sa_id = p.scapy_tun_sa_id + ii
p.scapy_tun_spi = p.scapy_tun_spi + ii
p.vpp_tun_sa_id = p.vpp_tun_sa_id + ii
p.vpp_tun_spi = p.vpp_tun_spi + ii
p.scapy_tra_sa_id = p.scapy_tra_sa_id + ii
p.scapy_tra_spi = p.scapy_tra_spi + ii
p.vpp_tra_sa_id = p.vpp_tra_sa_id + ii
p.vpp_tra_spi = p.vpp_tra_spi + ii
config_tun_params(p, self.encryption_type, self.tun_if)
self.multi_params.append(p)
p.tun_if = VppIpsecTunInterface(self, self.pg0, p.vpp_tun_spi,
p.scapy_tun_spi,
p.crypt_algo_vpp_id,
p.crypt_key, p.crypt_key,
p.auth_algo_vpp_id, p.auth_key,
p.auth_key, is_ip6=True)
p.tun_if.add_vpp_config()
p.tun_if.admin_up()
p.tun_if.config_ip6()
VppIpRoute(self, p.remote_tun_if_host, 128,
[VppRoutePath(p.tun_if.remote_ip6,
0xffffffff,
proto=DpoProto.DPO_PROTO_IP6)],
is_ip6=1).add_vpp_config()
def tearDown(self):
if not self.vpp_dead:
self.vapi.cli("show hardware")
super(TestIpsec6MultiTunIfEsp, self).tearDown()
def test_tun_66(self):
"""Multiple IPSEC tunnel interfaces """
for p in self.multi_params:
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)
class TemplateIpsecGRETunIfEsp(TemplateIpsec):
""" IPsec GRE tunnel interface tests """
encryption_type = ESP
omac = "00:11:22:33:44:55"
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() /
Ether(dst=self.omac) /
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 gen_pkts(self, sw_intf, src, dst, count=1,
payload_size=100):
return [Ether(dst=self.omac) /
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.omac)
self.assert_equal(rx[IP].dst, "1.1.1.2")
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[Ether]
self.assertEqual(e[Ether].dst, self.omac)
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(TemplateIpsecGRETunIfEsp, 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 = VppIpsecGRETunInterface(self, self.pg0,
p.tun_sa_out.id,
p.tun_sa_in.id)
self.tun.add_vpp_config()
self.tun.admin_up()
self.tun.config_ip4()
VppIpRoute(self, p.remote_tun_if_host, 32,
[VppRoutePath(self.tun.remote_ip4,
0xffffffff)]).add_vpp_config()
VppBridgeDomainPort(self, bd1, self.tun).add_vpp_config()
VppBridgeDomainPort(self, bd1, self.pg1).add_vpp_config()
def tearDown(self):
if not self.vpp_dead:
self.vapi.cli("show hardware")
self.tun.unconfig_ip4()
super(TemplateIpsecGRETunIfEsp, self).tearDown()
@unittest.skipIf(is_skip_aarch64_set and is_platform_aarch64,
"test doesn't work on aarch64")
class TestIpsecGRETunIfEsp1(TemplateIpsecGRETunIfEsp, IpsecTun4Tests):
""" Ipsec GRE ESP - TUN tests """
tun4_encrypt_node_name = "esp4-encrypt"
tun4_decrypt_node_name = "esp4-decrypt"
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)
|
