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authorNeale Ranns <nranns@cisco.com>2019-12-16 00:53:11 +0000
committerDamjan Marion <dmarion@me.com>2020-02-21 09:54:19 +0000
commit282872127bbeee6ae59ab3f885c09bad601ee0cc (patch)
tree4f1ef8243b194ca8bf6f1acd62ba4a7d688d371e /test/test_ipsec_tun_if_esp.py
parentd057625d499525625d60d2207665eaeb755e380e (diff)
ipsec: IPSec protection for multi-point tunnel interfaces
Type: feature Signed-off-by: Neale Ranns <nranns@cisco.com> Change-Id: Iaba2ab11bfaa1c8db4023434e3043ac39500f938
Diffstat (limited to 'test/test_ipsec_tun_if_esp.py')
-rw-r--r--test/test_ipsec_tun_if_esp.py297
1 files changed, 281 insertions, 16 deletions
diff --git a/test/test_ipsec_tun_if_esp.py b/test/test_ipsec_tun_if_esp.py
index 57c90f93ca8..55e85b1a4b2 100644
--- a/test/test_ipsec_tun_if_esp.py
+++ b/test/test_ipsec_tun_if_esp.py
@@ -18,6 +18,7 @@ from vpp_ip_route import VppIpRoute, VppRoutePath, DpoProto
from vpp_ipsec import VppIpsecSA, VppIpsecTunProtect
from vpp_l2 import VppBridgeDomain, VppBridgeDomainPort
from vpp_sub_interface import L2_VTR_OP, VppDot1QSubint
+from vpp_teib import VppTeib
from util import ppp
from vpp_papi import VppEnum
@@ -344,7 +345,7 @@ class TestIpsec4MultiTunIfEsp(TemplateIpsec, IpsecTun4):
""" Round-robin packets acrros multiple interface """
tx = []
for p in self.multi_params:
- tx = tx + self.gen_encrypt_pkts(p.scapy_tun_sa, self.tun_if,
+ tx = tx + self.gen_encrypt_pkts(p, p.scapy_tun_sa, self.tun_if,
src=p.remote_tun_if_host,
dst=self.pg1.remote_ip4)
rxs = self.send_and_expect(self.tun_if, tx, self.pg1)
@@ -681,7 +682,7 @@ class TestIpsecGreTebIfEsp(TemplateIpsec,
encryption_type = ESP
omac = "00:11:22:33:44:55"
- def gen_encrypt_pkts(self, sa, sw_intf, src, dst, count=1,
+ def gen_encrypt_pkts(self, p, 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,
@@ -775,6 +776,8 @@ class TestIpsecGreTebIfEsp(TemplateIpsec,
VppBridgeDomainPort(self, bd1, self.pg1).add_vpp_config()
self.vapi.cli("clear ipsec sa")
+ self.vapi.cli("sh adj")
+ self.vapi.cli("sh ipsec tun")
def tearDown(self):
p = self.ipv4_params
@@ -790,7 +793,7 @@ class TestIpsecGreTebVlanIfEsp(TemplateIpsec,
encryption_type = ESP
omac = "00:11:22:33:44:55"
- def gen_encrypt_pkts(self, sa, sw_intf, src, dst, count=1,
+ def gen_encrypt_pkts(self, p, 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,
@@ -910,7 +913,7 @@ class TestIpsecGreTebIfEspTra(TemplateIpsec,
encryption_type = ESP
omac = "00:11:22:33:44:55"
- def gen_encrypt_pkts(self, sa, sw_intf, src, dst, count=1,
+ def gen_encrypt_pkts(self, p, 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,
@@ -1014,7 +1017,7 @@ class TestIpsecGreIfEsp(TemplateIpsec,
tun4_decrypt_node_name = "esp4-decrypt-tun"
encryption_type = ESP
- def gen_encrypt_pkts(self, sa, sw_intf, src, dst, count=1,
+ def gen_encrypt_pkts(self, p, 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,
@@ -1117,7 +1120,7 @@ class TestIpsecGreIfEspTra(TemplateIpsec,
tun4_decrypt_node_name = "esp4-decrypt-tun"
encryption_type = ESP
- def gen_encrypt_pkts(self, sa, sw_intf, src, dst, count=1,
+ def gen_encrypt_pkts(self, p, 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,
@@ -1177,9 +1180,6 @@ class TestIpsecGreIfEspTra(TemplateIpsec,
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,
@@ -1234,7 +1234,7 @@ class TestIpsecGre6IfEspTra(TemplateIpsec,
tun6_decrypt_node_name = "esp6-decrypt-tun"
encryption_type = ESP
- def gen_encrypt_pkts6(self, sa, sw_intf, src, dst, count=1,
+ def gen_encrypt_pkts6(self, p, sa, sw_intf, src, dst, count=1,
payload_size=100):
return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
sa.encrypt(IPv6(src=self.pg0.remote_ip6,
@@ -1326,6 +1326,271 @@ class TestIpsecGre6IfEspTra(TemplateIpsec,
super(TestIpsecGre6IfEspTra, self).tearDown()
+class TestIpsecMGreIfEspTra4(TemplateIpsec, IpsecTun4):
+ """ Ipsec mGRE ESP v4 TRA tests """
+ tun4_encrypt_node_name = "esp4-encrypt-tun"
+ tun4_decrypt_node_name = "esp4-decrypt-tun"
+ encryption_type = ESP
+
+ def gen_encrypt_pkts(self, p, 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=p.tun_dst,
+ dst=self.pg0.local_ip4) /
+ GRE() /
+ IP(src=self.pg1.local_ip4,
+ dst=self.pg1.remote_ip4) /
+ UDP(sport=1144, dport=2233) /
+ Raw(b'X' * payload_size))
+ for i in range(count)]
+
+ def gen_pkts(self, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ IP(src="1.1.1.1", dst=dst) /
+ UDP(sport=1144, dport=2233) /
+ Raw(b'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.pg1.remote_mac)
+ self.assert_equal(rx[IP].dst, self.pg1.remote_ip4)
+
+ 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.assertTrue(pkt.haslayer(GRE))
+ e = pkt[GRE]
+ self.assertEqual(e[IP].dst, p.remote_tun_if_host)
+ 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(TestIpsecMGreIfEspTra4, self).setUp()
+
+ N_NHS = 16
+ self.tun_if = self.pg0
+ p = self.ipv4_params
+ p.tun_if = VppGreInterface(self,
+ self.pg0.local_ip4,
+ "0.0.0.0",
+ mode=(VppEnum.vl_api_tunnel_mode_t.
+ TUNNEL_API_MODE_MP))
+ p.tun_if.add_vpp_config()
+ p.tun_if.admin_up()
+ p.tun_if.config_ip4()
+ p.tun_if.generate_remote_hosts(N_NHS)
+ self.pg0.generate_remote_hosts(N_NHS)
+ self.pg0.configure_ipv4_neighbors()
+
+ # setup some SAs for several next-hops on the interface
+ self.multi_params = []
+
+ for ii in range(N_NHS):
+ 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
+ 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)
+ 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)
+ p.tun_sa_in.add_vpp_config()
+
+ p.tun_protect = VppIpsecTunProtect(
+ self,
+ p.tun_if,
+ p.tun_sa_out,
+ [p.tun_sa_in],
+ nh=p.tun_if.remote_hosts[ii].ip4)
+ p.tun_protect.add_vpp_config()
+ config_tra_params(p, self.encryption_type, p.tun_if)
+ self.multi_params.append(p)
+
+ VppIpRoute(self, p.remote_tun_if_host, 32,
+ [VppRoutePath(p.tun_if.remote_hosts[ii].ip4,
+ p.tun_if.sw_if_index)]).add_vpp_config()
+
+ # in this v4 variant add the teibs after the protect
+ p.teib = VppTeib(self, p.tun_if,
+ p.tun_if.remote_hosts[ii].ip4,
+ self.pg0.remote_hosts[ii].ip4).add_vpp_config()
+ p.tun_dst = self.pg0.remote_hosts[ii].ip4
+ self.logger.info(self.vapi.cli("sh ipsec protect-hash"))
+
+ def tearDown(self):
+ p = self.ipv4_params
+ p.tun_if.unconfig_ip4()
+ super(TestIpsecMGreIfEspTra4, self).tearDown()
+
+ def test_tun_44(self):
+ """mGRE IPSEC 44"""
+ N_PKTS = 63
+ for p in self.multi_params:
+ self.verify_tun_44(p, count=N_PKTS)
+ p.teib.remove_vpp_config()
+ self.verify_tun_dropped_44(p, count=N_PKTS)
+ p.teib.add_vpp_config()
+ self.verify_tun_44(p, count=N_PKTS)
+
+
+class TestIpsecMGreIfEspTra6(TemplateIpsec, IpsecTun6):
+ """ Ipsec mGRE ESP v6 TRA tests """
+ tun6_encrypt_node_name = "esp6-encrypt-tun"
+ tun6_decrypt_node_name = "esp6-decrypt-tun"
+ encryption_type = ESP
+
+ def gen_encrypt_pkts6(self, p, sa, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ sa.encrypt(IPv6(src=p.tun_dst,
+ dst=self.pg0.local_ip6) /
+ GRE() /
+ IPv6(src=self.pg1.local_ip6,
+ dst=self.pg1.remote_ip6) /
+ UDP(sport=1144, dport=2233) /
+ Raw(b'X' * payload_size))
+ for i in range(count)]
+
+ def gen_pkts6(self, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ IPv6(src="1::1", dst=dst) /
+ UDP(sport=1144, dport=2233) /
+ Raw(b'X' * payload_size)
+ for i in range(count)]
+
+ def verify_decrypted6(self, p, rxs):
+ for rx in rxs:
+ self.assert_equal(rx[Ether].dst, self.pg1.remote_mac)
+ self.assert_equal(rx[IPv6].dst, self.pg1.remote_ip6)
+
+ def verify_encrypted6(self, p, sa, rxs):
+ for rx in rxs:
+ try:
+ pkt = sa.decrypt(rx[IPv6])
+ if not pkt.haslayer(IPv6):
+ pkt = IPv6(pkt[Raw].load)
+ self.assert_packet_checksums_valid(pkt)
+ self.assertTrue(pkt.haslayer(GRE))
+ e = pkt[GRE]
+ self.assertEqual(e[IPv6].dst, p.remote_tun_if_host)
+ 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(TestIpsecMGreIfEspTra6, self).setUp()
+
+ self.vapi.cli("set logging class ipsec level debug")
+
+ N_NHS = 16
+ self.tun_if = self.pg0
+ p = self.ipv6_params
+ p.tun_if = VppGreInterface(self,
+ self.pg0.local_ip6,
+ "::",
+ mode=(VppEnum.vl_api_tunnel_mode_t.
+ TUNNEL_API_MODE_MP))
+ p.tun_if.add_vpp_config()
+ p.tun_if.admin_up()
+ p.tun_if.config_ip6()
+ p.tun_if.generate_remote_hosts(N_NHS)
+ self.pg0.generate_remote_hosts(N_NHS)
+ self.pg0.configure_ipv6_neighbors()
+
+ # setup some SAs for several next-hops on the interface
+ self.multi_params = []
+
+ for ii in range(N_NHS):
+ p = copy.copy(self.ipv6_params)
+
+ p.remote_tun_if_host = "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
+ 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)
+ 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)
+ p.tun_sa_in.add_vpp_config()
+
+ # in this v6 variant add the teibs first then the protection
+ p.tun_dst = self.pg0.remote_hosts[ii].ip6
+ VppTeib(self, p.tun_if,
+ p.tun_if.remote_hosts[ii].ip6,
+ p.tun_dst).add_vpp_config()
+
+ p.tun_protect = VppIpsecTunProtect(
+ self,
+ p.tun_if,
+ p.tun_sa_out,
+ [p.tun_sa_in],
+ nh=p.tun_if.remote_hosts[ii].ip6)
+ p.tun_protect.add_vpp_config()
+ config_tra_params(p, self.encryption_type, p.tun_if)
+ self.multi_params.append(p)
+
+ VppIpRoute(self, p.remote_tun_if_host, 128,
+ [VppRoutePath(p.tun_if.remote_hosts[ii].ip6,
+ p.tun_if.sw_if_index)]).add_vpp_config()
+ p.tun_dst = self.pg0.remote_hosts[ii].ip6
+
+ self.logger.info(self.vapi.cli("sh log"))
+ self.logger.info(self.vapi.cli("sh ipsec protect-hash"))
+ self.logger.info(self.vapi.cli("sh adj 41"))
+
+ def tearDown(self):
+ p = self.ipv6_params
+ p.tun_if.unconfig_ip6()
+ super(TestIpsecMGreIfEspTra6, self).tearDown()
+
+ def test_tun_66(self):
+ """mGRE IPSec 66"""
+ for p in self.multi_params:
+ self.verify_tun_66(p, count=63)
+
+
class TemplateIpsec4TunProtect(object):
""" IPsec IPv4 Tunnel protect """
@@ -1529,7 +1794,7 @@ class TestIpsec4TunProtectTun(TemplateIpsec,
def tearDown(self):
super(TestIpsec4TunProtectTun, self).tearDown()
- def gen_encrypt_pkts(self, sa, sw_intf, src, dst, count=1,
+ def gen_encrypt_pkts(self, p, 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=sw_intf.remote_ip4,
@@ -1632,7 +1897,7 @@ class TestIpsec4TunProtectTunDrop(TemplateIpsec,
def tearDown(self):
super(TestIpsec4TunProtectTunDrop, self).tearDown()
- def gen_encrypt_pkts(self, sa, sw_intf, src, dst, count=1,
+ def gen_encrypt_pkts(self, p, 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=sw_intf.remote_ip4,
@@ -1651,7 +1916,7 @@ class TestIpsec4TunProtectTunDrop(TemplateIpsec,
self.config_sa_tun(p)
self.config_protect(p)
- tx = self.gen_encrypt_pkts(p.scapy_tun_sa, self.tun_if,
+ tx = self.gen_encrypt_pkts(p, p.scapy_tun_sa, self.tun_if,
src=p.remote_tun_if_host,
dst=self.pg1.remote_ip4,
count=63)
@@ -1881,7 +2146,7 @@ class TestIpsec6TunProtectTun(TemplateIpsec,
def tearDown(self):
super(TestIpsec6TunProtectTun, self).tearDown()
- def gen_encrypt_pkts6(self, sa, sw_intf, src, dst, count=1,
+ def gen_encrypt_pkts6(self, p, sa, sw_intf, src, dst, count=1,
payload_size=100):
return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
sa.encrypt(IPv6(src=sw_intf.remote_ip6,
@@ -1984,7 +2249,7 @@ class TestIpsec6TunProtectTunDrop(TemplateIpsec,
def tearDown(self):
super(TestIpsec6TunProtectTunDrop, self).tearDown()
- def gen_encrypt_pkts5(self, sa, sw_intf, src, dst, count=1,
+ def gen_encrypt_pkts6(self, p, sa, sw_intf, src, dst, count=1,
payload_size=100):
# the IP destination of the revelaed packet does not match
# that assigned to the tunnel
@@ -2005,7 +2270,7 @@ class TestIpsec6TunProtectTunDrop(TemplateIpsec,
self.config_sa_tun(p)
self.config_protect(p)
- tx = self.gen_encrypt_pkts6(p.scapy_tun_sa, self.tun_if,
+ tx = self.gen_encrypt_pkts6(p, p.scapy_tun_sa, self.tun_if,
src=p.remote_tun_if_host,
dst=self.pg1.remote_ip6,
count=63)