import socket
import unittest
from scapy.layers.ipsec import ESP
-from scapy.layers.inet import UDP
+from scapy.layers.inet import IP, ICMP, UDP
+from scapy.layers.inet6 import IPv6
+from scapy.layers.l2 import Ether
+from scapy.packet import Raw
from parameterized import parameterized
from framework import VppTestRunner
from template_ipsec import IpsecTra46Tests, IpsecTun46Tests, TemplateIpsec, \
IpsecTcpTests, IpsecTun4Tests, IpsecTra4Tests, config_tra_params, \
- IPsecIPv4Params, IPsecIPv6Params, \
- IpsecTra4, IpsecTun4, IpsecTra6, IpsecTun6
+ config_tun_params, IPsecIPv4Params, IPsecIPv6Params, \
+ IpsecTra4, IpsecTun4, IpsecTra6, IpsecTun6, \
+ IpsecTun6HandoffTests, IpsecTun4HandoffTests, \
+ IpsecTra6ExtTests
from vpp_ipsec import VppIpsecSpd, VppIpsecSpdEntry, VppIpsecSA,\
VppIpsecSpdItfBinding
from vpp_ip_route import VppIpRoute, VppRoutePath
from vpp_papi import VppEnum
NUM_PKTS = 67
+engines_supporting_chain_bufs = ["openssl"]
class ConfigIpsecESP(TemplateIpsec):
config_tra_params(p, self.encryption_type)
for p in params:
self.config_esp_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
addr_bcast = params.addr_bcast
e = VppEnum.vl_api_ipsec_spd_action_t
flags = params.flags
+ tun_flags = params.tun_flags
salt = params.salt
objs = []
self.vpp_esp_protocol,
self.tun_if.local_addr[addr_type],
self.tun_if.remote_addr[addr_type],
+ tun_flags=tun_flags,
+ dscp=params.dscp,
flags=flags,
salt=salt)
params.tun_sa_out = VppIpsecSA(self, vpp_tun_sa_id, vpp_tun_spi,
self.vpp_esp_protocol,
self.tun_if.remote_addr[addr_type],
self.tun_if.local_addr[addr_type],
+ tun_flags=tun_flags,
+ dscp=params.dscp,
flags=flags,
salt=salt)
objs.append(params.tun_sa_in)
super(TemplateIpsecEsp, self).tearDown()
-class TestIpsecEsp1(TemplateIpsecEsp, IpsecTra46Tests, IpsecTun46Tests):
+class TestIpsecEsp1(TemplateIpsecEsp, IpsecTra46Tests,
+ IpsecTun46Tests, IpsecTra6ExtTests):
""" Ipsec ESP - TUN & TRA tests """
- pass
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestIpsecEsp1, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestIpsecEsp1, cls).tearDownClass()
+
+ def setUp(self):
+ super(TestIpsecEsp1, self).setUp()
+
+ def tearDown(self):
+ super(TestIpsecEsp1, self).tearDown()
+
+ def test_tun_46(self):
+ """ ipsec 4o6 tunnel """
+ # add an SPD entry to direct 2.2.2.2 to the v6 tunnel SA
+ p6 = self.ipv6_params
+ p4 = self.ipv4_params
+
+ p6.remote_tun_if_host4 = "2.2.2.2"
+ e = VppEnum.vl_api_ipsec_spd_action_t
+
+ VppIpsecSpdEntry(self,
+ self.tun_spd,
+ p6.scapy_tun_sa_id,
+ self.pg1.remote_addr[p4.addr_type],
+ self.pg1.remote_addr[p4.addr_type],
+ p6.remote_tun_if_host4,
+ p6.remote_tun_if_host4,
+ 0,
+ priority=10,
+ policy=e.IPSEC_API_SPD_ACTION_PROTECT,
+ is_outbound=1).add_vpp_config()
+ VppIpRoute(self, p6.remote_tun_if_host4, p4.addr_len,
+ [VppRoutePath(self.tun_if.remote_addr[p4.addr_type],
+ 0xffffffff)]).add_vpp_config()
+
+ old_name = self.tun6_encrypt_node_name
+ self.tun6_encrypt_node_name = "esp4-encrypt"
+
+ self.verify_tun_46(p6, count=63)
+ self.tun6_encrypt_node_name = old_name
+
+ def test_tun_64(self):
+ """ ipsec 6o4 tunnel """
+ # add an SPD entry to direct 4444::4 to the v4 tunnel SA
+ p6 = self.ipv6_params
+ p4 = self.ipv4_params
+
+ p4.remote_tun_if_host6 = "4444::4"
+ e = VppEnum.vl_api_ipsec_spd_action_t
+
+ VppIpsecSpdEntry(self,
+ self.tun_spd,
+ p4.scapy_tun_sa_id,
+ self.pg1.remote_addr[p6.addr_type],
+ self.pg1.remote_addr[p6.addr_type],
+ p4.remote_tun_if_host6,
+ p4.remote_tun_if_host6,
+ 0,
+ priority=10,
+ policy=e.IPSEC_API_SPD_ACTION_PROTECT,
+ is_outbound=1).add_vpp_config()
+ d = DpoProto.DPO_PROTO_IP6
+ VppIpRoute(self, p4.remote_tun_if_host6, p6.addr_len,
+ [VppRoutePath(self.tun_if.remote_addr[p6.addr_type],
+ 0xffffffff,
+ proto=d)]).add_vpp_config()
+
+ old_name = self.tun4_encrypt_node_name
+ self.tun4_encrypt_node_name = "esp6-encrypt"
+ self.verify_tun_64(p4, count=63)
+ self.tun4_encrypt_node_name = old_name
+
+
+class TestIpsecEspTun(TemplateIpsecEsp, IpsecTun46Tests):
+ """ Ipsec ESP - 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(TestIpsecEspTun, 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 TestIpsecEspTun2(TemplateIpsecEsp, IpsecTun46Tests):
+ """ Ipsec ESP - TUN DSCP tests """
+
+ def setUp(self):
+ self.ipv4_params = IPsecIPv4Params()
+ self.ipv6_params = IPsecIPv6Params()
+
+ self.ipv4_params.dscp = VppEnum.vl_api_ip_dscp_t.IP_API_DSCP_EF
+ self.ipv6_params.dscp = VppEnum.vl_api_ip_dscp_t.IP_API_DSCP_AF11
+
+ super(TestIpsecEspTun2, 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) /
+ 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) /
+ 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,
+ VppEnum.vl_api_ip_dscp_t.IP_API_DSCP_EF << 2)
+
+ def verify_encrypted6(self, p, sa, rxs):
+ # just check that the DSCP & ECN are copied
+ for rx in rxs:
+ self.assertEqual(rx[IPv6].tc,
+ VppEnum.vl_api_ip_dscp_t.IP_API_DSCP_AF11 << 2)
class TestIpsecEsp2(TemplateIpsecEsp, IpsecTcpTests):
pass
+class TestIpsecEspHandoff(TemplateIpsecEsp,
+ IpsecTun6HandoffTests,
+ IpsecTun4HandoffTests):
+ """ Ipsec ESP - handoff tests """
+ pass
+
+
class TemplateIpsecEspUdp(ConfigIpsecESP):
"""
UDP encapped ESP
'scapy-crypto': "NULL",
'scapy-integ': "HMAC-SHA1-96",
'salt': 0,
- 'key': b"JPjyOWBeVEQiMe7h00112233"}}
+ 'key': b"JPjyOWBeVEQiMe7h00112233"},
+ 'AES-CTR-128/SHA1-96': {
+ 'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t.
+ IPSEC_API_CRYPTO_ALG_AES_CTR_128),
+ 'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t.
+ IPSEC_API_INTEG_ALG_SHA1_96),
+ 'scapy-crypto': "AES-CTR",
+ 'scapy-integ': "HMAC-SHA1-96",
+ 'salt': 0,
+ 'key': b"JPjyOWBeVEQiMe7h"},
+ 'AES-CTR-192/SHA1-96': {
+ 'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t.
+ IPSEC_API_CRYPTO_ALG_AES_CTR_192),
+ 'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t.
+ IPSEC_API_INTEG_ALG_SHA1_96),
+ 'scapy-crypto': "AES-CTR",
+ 'scapy-integ': "HMAC-SHA1-96",
+ 'salt': 1010,
+ 'key': b"JPjyOWBeVEQiMe7hJPjyOWBe"},
+ 'AES-CTR-256/SHA1-96': {
+ 'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t.
+ IPSEC_API_CRYPTO_ALG_AES_CTR_256),
+ 'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t.
+ IPSEC_API_INTEG_ALG_SHA1_96),
+ 'scapy-crypto': "AES-CTR",
+ 'scapy-integ': "HMAC-SHA1-96",
+ 'salt': 2020,
+ 'key': b"JPjyOWBeVEQiMe7hJPjyOWBeVEQiMe7h"}}
class RunTestIpsecEspAll(ConfigIpsecESP,
def run_test(self):
self.run_a_test(self.engine, self.flag, self.algo)
- def run_a_test(self, engine, flag, algo):
+ def run_a_test(self, engine, flag, algo, payload_size=None):
+ if engine == "ia32":
+ engine = "native"
self.vapi.cli("set crypto handler all %s" % engine)
self.ipv4_params = IPsecIPv4Params()
self.verify_tra_basic4(count=NUM_PKTS)
self.verify_tun_66(self.params[socket.AF_INET6],
count=NUM_PKTS)
+ #
+ # Use an odd-byte payload size to check for correct padding.
+ #
+ # 49 + 2 == 51 which should pad +1 to 52 for 4 byte alignment, +5
+ # to 56 for 8 byte alignment, and +13 to 64 for 64 byte alignment.
+ # This should catch bugs where the code is incorrectly over-padding
+ # for algorithms that don't require it
+ psz = 49 - len(IP()/ICMP()) if payload_size is None else payload_size
self.verify_tun_44(self.params[socket.AF_INET],
- count=NUM_PKTS)
+ count=NUM_PKTS, payload_size=psz)
+
+ LARGE_PKT_SZ = [
+ 1970, # results in 2 chained buffers entering decrypt node
+ # but leaving as simple buffer due to ICV removal (tra4)
+ 2004, # footer+ICV will be added to 2nd buffer (tun4)
+ 4010, # ICV ends up splitted accross 2 buffers in esp_decrypt
+ # for transport4; transport6 takes normal path
+ 4020, # same as above but tra4 and tra6 are switched
+ ]
+ if self.engine in engines_supporting_chain_bufs:
+ for sz in LARGE_PKT_SZ:
+ self.verify_tra_basic4(count=NUM_PKTS, payload_size=sz)
+ self.verify_tra_basic6(count=NUM_PKTS, payload_size=sz)
+ self.verify_tun_66(self.params[socket.AF_INET6],
+ count=NUM_PKTS, payload_size=sz)
+ self.verify_tun_44(self.params[socket.AF_INET],
+ count=NUM_PKTS, payload_size=sz)
#
# remove the SPDs, SAs, etc
# GEN for FLG in noESN ESN; do for ALG in AES-GCM-128/NONE \
# GEN AES-GCM-192/NONE AES-GCM-256/NONE AES-CBC-128/MD5-96 \
# GEN AES-CBC-192/SHA1-96 AES-CBC-256/SHA1-96 \
-# GEN 3DES-CBC/SHA1-96 NONE/SHA1-96; do \
+# GEN 3DES-CBC/SHA1-96 NONE/SHA1-96 \
+# GEN AES-CTR-128/SHA1-96 AES-CTR-192/SHA1-96 AES-CTR-256/SHA1-96; do \
+# GEN [[ ${FLG} == "ESN" && ${ALG} == *"NONE" ]] && continue
# GEN echo -e "\n\nclass Test_${ENG}_${FLG}_${ALG}(RunTestIpsecEspAll):" |
# GEN sed -e 's/-/_/g' -e 's#/#_#g' ; \
# GEN echo ' """'$ENG $FLG $ALG IPSec test'"""' ;
self.run_test()
-class Test_ia32_ESN_AES_GCM_128_NONE(RunTestIpsecEspAll):
- """ia32 ESN AES-GCM-128/NONE IPSec test"""
+class Test_ia32_noESN_AES_CTR_128_SHA1_96(RunTestIpsecEspAll):
+ """ia32 noESN AES-CTR-128/SHA1-96 IPSec test"""
def test_ipsec(self):
self.run_test()
-class Test_ia32_ESN_AES_GCM_192_NONE(RunTestIpsecEspAll):
- """ia32 ESN AES-GCM-192/NONE IPSec test"""
+class Test_ia32_noESN_AES_CTR_192_SHA1_96(RunTestIpsecEspAll):
+ """ia32 noESN AES-CTR-192/SHA1-96 IPSec test"""
def test_ipsec(self):
self.run_test()
-class Test_ia32_ESN_AES_GCM_256_NONE(RunTestIpsecEspAll):
- """ia32 ESN AES-GCM-256/NONE IPSec test"""
+class Test_ia32_noESN_AES_CTR_256_SHA1_96(RunTestIpsecEspAll):
+ """ia32 noESN AES-CTR-256/SHA1-96 IPSec test"""
def test_ipsec(self):
self.run_test()
self.run_test()
+class Test_ia32_ESN_AES_CTR_128_SHA1_96(RunTestIpsecEspAll):
+ """ia32 ESN AES-CTR-128/SHA1-96 IPSec test"""
+ def test_ipsec(self):
+ self.run_test()
+
+
+class Test_ia32_ESN_AES_CTR_192_SHA1_96(RunTestIpsecEspAll):
+ """ia32 ESN AES-CTR-192/SHA1-96 IPSec test"""
+ def test_ipsec(self):
+ self.run_test()
+
+
+class Test_ia32_ESN_AES_CTR_256_SHA1_96(RunTestIpsecEspAll):
+ """ia32 ESN AES-CTR-256/SHA1-96 IPSec test"""
+ def test_ipsec(self):
+ self.run_test()
+
+
class Test_ipsecmb_noESN_AES_GCM_128_NONE(RunTestIpsecEspAll):
"""ipsecmb noESN AES-GCM-128/NONE IPSec test"""
def test_ipsec(self):
self.run_test()
-class Test_ipsecmb_ESN_AES_GCM_128_NONE(RunTestIpsecEspAll):
- """ipsecmb ESN AES-GCM-128/NONE IPSec test"""
+class Test_ipsecmb_noESN_AES_CTR_128_SHA1_96(RunTestIpsecEspAll):
+ """ipsecmb noESN AES-CTR-128/SHA1-96 IPSec test"""
def test_ipsec(self):
self.run_test()
-class Test_ipsecmb_ESN_AES_GCM_192_NONE(RunTestIpsecEspAll):
- """ipsecmb ESN AES-GCM-192/NONE IPSec test"""
+class Test_ipsecmb_noESN_AES_CTR_192_SHA1_96(RunTestIpsecEspAll):
+ """ipsecmb noESN AES-CTR-192/SHA1-96 IPSec test"""
def test_ipsec(self):
self.run_test()
-class Test_ipsecmb_ESN_AES_GCM_256_NONE(RunTestIpsecEspAll):
- """ipsecmb ESN AES-GCM-256/NONE IPSec test"""
+class Test_ipsecmb_noESN_AES_CTR_256_SHA1_96(RunTestIpsecEspAll):
+ """ipsecmb noESN AES-CTR-256/SHA1-96 IPSec test"""
def test_ipsec(self):
self.run_test()
self.run_test()
+class Test_ipsecmb_ESN_AES_CTR_128_SHA1_96(RunTestIpsecEspAll):
+ """ipsecmb ESN AES-CTR-128/SHA1-96 IPSec test"""
+ def test_ipsec(self):
+ self.run_test()
+
+
+class Test_ipsecmb_ESN_AES_CTR_192_SHA1_96(RunTestIpsecEspAll):
+ """ipsecmb ESN AES-CTR-192/SHA1-96 IPSec test"""
+ def test_ipsec(self):
+ self.run_test()
+
+
+class Test_ipsecmb_ESN_AES_CTR_256_SHA1_96(RunTestIpsecEspAll):
+ """ipsecmb ESN AES-CTR-256/SHA1-96 IPSec test"""
+ def test_ipsec(self):
+ self.run_test()
+
+
class Test_openssl_noESN_AES_GCM_128_NONE(RunTestIpsecEspAll):
"""openssl noESN AES-GCM-128/NONE IPSec test"""
def test_ipsec(self):
self.run_test()
-class Test_openssl_ESN_AES_GCM_128_NONE(RunTestIpsecEspAll):
- """openssl ESN AES-GCM-128/NONE IPSec test"""
+class Test_openssl_noESN_AES_CTR_128_SHA1_96(RunTestIpsecEspAll):
+ """openssl noESN AES-CTR-128/SHA1-96 IPSec test"""
def test_ipsec(self):
self.run_test()
-class Test_openssl_ESN_AES_GCM_192_NONE(RunTestIpsecEspAll):
- """openssl ESN AES-GCM-192/NONE IPSec test"""
+class Test_openssl_noESN_AES_CTR_192_SHA1_96(RunTestIpsecEspAll):
+ """openssl noESN AES-CTR-192/SHA1-96 IPSec test"""
def test_ipsec(self):
self.run_test()
-class Test_openssl_ESN_AES_GCM_256_NONE(RunTestIpsecEspAll):
- """openssl ESN AES-GCM-256/NONE IPSec test"""
+class Test_openssl_noESN_AES_CTR_256_SHA1_96(RunTestIpsecEspAll):
+ """openssl noESN AES-CTR-256/SHA1-96 IPSec test"""
def test_ipsec(self):
self.run_test()
self.run_test()
+class Test_openssl_ESN_AES_CTR_128_SHA1_96(RunTestIpsecEspAll):
+ """openssl ESN AES-CTR-128/SHA1-96 IPSec test"""
+ def test_ipsec(self):
+ self.run_test()
+
+
+class Test_openssl_ESN_AES_CTR_192_SHA1_96(RunTestIpsecEspAll):
+ """openssl ESN AES-CTR-192/SHA1-96 IPSec test"""
+ def test_ipsec(self):
+ self.run_test()
+
+
+class Test_openssl_ESN_AES_CTR_256_SHA1_96(RunTestIpsecEspAll):
+ """openssl ESN AES-CTR-256/SHA1-96 IPSec test"""
+ def test_ipsec(self):
+ self.run_test()
+
+
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / blobdiff