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-rw-r--r--test/template_ipsec.py55
-rw-r--r--test/test_ipsec_tun_if_esp.py116
-rw-r--r--test/vpp_ipsec_tun_interface.py45
-rw-r--r--test/vpp_papi_provider.py13
4 files changed, 203 insertions, 26 deletions
diff --git a/test/template_ipsec.py b/test/template_ipsec.py
index 333a6685b8e..6e6e37ba174 100644
--- a/test/template_ipsec.py
+++ b/test/template_ipsec.py
@@ -472,6 +472,33 @@ class IpsecTun4(object):
self.assert_packet_counter_equal(self.tun4_encrypt_node_name, count)
self.assert_packet_counter_equal(self.tun4_decrypt_node_name, count)
+ def verify_decrypted(self, p, rxs):
+ for rx in rxs:
+ self.assert_equal(rx[IP].src, p.remote_tun_if_host)
+ self.assert_equal(rx[IP].dst, self.pg1.remote_ip4)
+ self.assert_packet_checksums_valid(rx)
+
+ def verify_encrypted(self, p, sa, rxs):
+ decrypt_pkts = []
+ for rx in rxs:
+ try:
+ decrypt_pkt = p.vpp_tun_sa.decrypt(rx[IP])
+ if not decrypt_pkt.haslayer(IP):
+ decrypt_pkt = IP(decrypt_pkt[Raw].load)
+ decrypt_pkts.append(decrypt_pkt)
+ self.assert_equal(decrypt_pkt.src, self.pg1.remote_ip4)
+ self.assert_equal(decrypt_pkt.dst, p.remote_tun_if_host)
+ except:
+ self.logger.debug(ppp("Unexpected packet:", rx))
+ try:
+ self.logger.debug(ppp("Decrypted packet:", decrypt_pkt))
+ except:
+ pass
+ raise
+ pkts = reassemble4(decrypt_pkts)
+ for pkt in pkts:
+ self.assert_packet_checksums_valid(pkt)
+
def verify_tun_44(self, p, count=1, payload_size=64, n_rx=None):
self.vapi.cli("clear errors")
if not n_rx:
@@ -483,35 +510,15 @@ class IpsecTun4(object):
dst=self.pg1.remote_ip4,
count=count)
recv_pkts = self.send_and_expect(self.tun_if, send_pkts, self.pg1)
- for recv_pkt in recv_pkts:
- self.assert_equal(recv_pkt[IP].src, p.remote_tun_if_host)
- self.assert_equal(recv_pkt[IP].dst, self.pg1.remote_ip4)
- self.assert_packet_checksums_valid(recv_pkt)
+ self.verify_decrypted(p, recv_pkts)
+
send_pkts = self.gen_pkts(self.pg1, src=self.pg1.remote_ip4,
dst=p.remote_tun_if_host, count=count,
payload_size=payload_size)
recv_pkts = self.send_and_expect(self.pg1, send_pkts,
self.tun_if, n_rx)
- decrypt_pkts = []
- for recv_pkt in recv_pkts:
- try:
- decrypt_pkt = p.vpp_tun_sa.decrypt(recv_pkt[IP])
- if not decrypt_pkt.haslayer(IP):
- decrypt_pkt = IP(decrypt_pkt[Raw].load)
- decrypt_pkts.append(decrypt_pkt)
- self.assert_equal(decrypt_pkt.src, self.pg1.remote_ip4)
- self.assert_equal(decrypt_pkt.dst, p.remote_tun_if_host)
- except:
- self.logger.debug(ppp("Unexpected packet:", recv_pkt))
- try:
- self.logger.debug(
- ppp("Decrypted packet:", decrypt_pkt))
- except:
- pass
- raise
- pkts = reassemble4(decrypt_pkts)
- for pkt in pkts:
- self.assert_packet_checksums_valid(pkt)
+ self.verify_encrypted(p, p.vpp_tun_sa, recv_pkts)
+
finally:
self.logger.info(self.vapi.ppcli("show error"))
self.logger.info(self.vapi.ppcli("show ipsec"))
diff --git a/test/test_ipsec_tun_if_esp.py b/test/test_ipsec_tun_if_esp.py
index 5af37bfac73..8d01185aa68 100644
--- a/test/test_ipsec_tun_if_esp.py
+++ b/test/test_ipsec_tun_if_esp.py
@@ -2,11 +2,17 @@ import unittest
import socket
import copy
from scapy.layers.ipsec import ESP
-from framework import VppTestRunner
+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
+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):
@@ -248,5 +254,111 @@ class TestIpsec6MultiTunIfEsp(TemplateIpsec, IpsecTun6):
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)
diff --git a/test/vpp_ipsec_tun_interface.py b/test/vpp_ipsec_tun_interface.py
index c427936fa08..1a41244a0c5 100644
--- a/test/vpp_ipsec_tun_interface.py
+++ b/test/vpp_ipsec_tun_interface.py
@@ -45,3 +45,48 @@ class VppIpsecTunInterface(VppTunnelInterface):
def object_id(self):
return "ipsec-tun-if-%d" % self._sw_if_index
+
+
+class VppIpsecGRETunInterface(VppTunnelInterface):
+ """
+ VPP IPsec GRE Tunnel interface
+ this creates headers
+ IP / ESP / IP / GRE / payload
+ i.e. it's GRE over IPSEC, rather than IPSEC over GRE.
+ """
+
+ def __init__(self, test, parent_if, sa_out, sa_in):
+ super(VppIpsecGRETunInterface, self).__init__(test, parent_if)
+ self.sa_in = sa_in
+ self.sa_out = sa_out
+
+ def add_vpp_config(self):
+ r = self.test.vapi.ipsec_gre_tunnel_add_del(
+ self.parent_if.local_ip4n,
+ self.parent_if.remote_ip4n,
+ self.sa_out,
+ self.sa_in)
+ self.set_sw_if_index(r.sw_if_index)
+ self.generate_remote_hosts()
+ self.test.registry.register(self, self.test.logger)
+
+ def remove_vpp_config(self):
+ self.test.vapi.ipsec_gre_tunnel_add_del(
+ self.parent_if.local_ip4n,
+ self.parent_if.remote_ip4n,
+ self.sa_out,
+ self.sa_in,
+ is_add=0)
+
+ def query_vpp_config(self):
+ ts = self.test.vapi.ipsec_gre_tunnel_dump(sw_if_index=0xffffffff)
+ for t in ts:
+ if t.tunnel.sw_if_index == self._sw_if_index:
+ return True
+ return False
+
+ def __str__(self):
+ return self.object_id()
+
+ def object_id(self):
+ return "ipsec-gre-tun-if-%d" % self._sw_if_index
diff --git a/test/vpp_papi_provider.py b/test/vpp_papi_provider.py
index 91832b57e4f..260e6b28d0b 100644
--- a/test/vpp_papi_provider.py
+++ b/test/vpp_papi_provider.py
@@ -2498,6 +2498,19 @@ class VppPapiProvider(object):
'show_instance': show_instance
})
+ def ipsec_gre_tunnel_add_del(self, local_ip, remote_ip,
+ sa_out, sa_in, is_add=1):
+ return self.api(self.papi.ipsec_gre_tunnel_add_del,
+ {
+ 'is_add': is_add,
+ 'tunnel': {
+ 'src': local_ip,
+ 'dst': remote_ip,
+ 'local_sa_id': sa_out,
+ 'remote_sa_id': sa_in
+ }
+ })
+
def ipsec_select_backend(self, protocol, index):
return self.api(self.papi.ipsec_select_backend,
{'protocol': protocol, 'index': index})