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-rw-r--r--test/test_classifier.py569
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diff --git a/test/test_classifier.py b/test/test_classifier.py
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+++ b/test/test_classifier.py
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+#!/usr/bin/env python3
+
+import binascii
+import socket
+import unittest
+
+from framework import VppTestCase, VppTestRunner
+
+from scapy.packet import Raw
+from scapy.layers.l2 import Ether
+from scapy.layers.inet import IP, UDP, TCP
+from util import ppp
+from template_classifier import TestClassifier
+from vpp_ip_route import VppIpRoute, VppRoutePath
+from vpp_ip import INVALID_INDEX
+
+
+# Tests split to different test case classes because of issue reported in
+# ticket VPP-1336
+class TestClassifierIP(TestClassifier):
+ """ Classifier IP Test Case """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestClassifierIP, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestClassifierIP, cls).tearDownClass()
+
+ def test_iacl_src_ip(self):
+ """ Source IP iACL test
+
+ Test scenario for basic IP ACL with source IP
+ - Create IPv4 stream for pg0 -> pg1 interface.
+ - Create iACL with source IP address.
+ - Send and verify received packets on pg1 interface.
+ """
+
+ # Basic iACL testing with source IP
+ pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes)
+ self.pg0.add_stream(pkts)
+
+ key = 'ip_src'
+ self.create_classify_table(key, self.build_ip_mask(src_ip='ffffffff'))
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_ip_match(src_ip=self.pg0.remote_ip4))
+ self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ pkts = self.pg1.get_capture(len(pkts))
+ self.verify_capture(self.pg1, pkts)
+ self.pg0.assert_nothing_captured(remark="packets forwarded")
+ self.pg2.assert_nothing_captured(remark="packets forwarded")
+ self.pg3.assert_nothing_captured(remark="packets forwarded")
+
+ def test_iacl_dst_ip(self):
+ """ Destination IP iACL test
+
+ Test scenario for basic IP ACL with destination IP
+ - Create IPv4 stream for pg0 -> pg1 interface.
+ - Create iACL with destination IP address.
+ - Send and verify received packets on pg1 interface.
+ """
+
+ # Basic iACL testing with destination IP
+ pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes)
+ self.pg0.add_stream(pkts)
+
+ key = 'ip_dst'
+ self.create_classify_table(key, self.build_ip_mask(dst_ip='ffffffff'))
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_ip_match(dst_ip=self.pg1.remote_ip4))
+ self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ pkts = self.pg1.get_capture(len(pkts))
+ self.verify_capture(self.pg1, pkts)
+ self.pg0.assert_nothing_captured(remark="packets forwarded")
+ self.pg2.assert_nothing_captured(remark="packets forwarded")
+ self.pg3.assert_nothing_captured(remark="packets forwarded")
+
+ def test_iacl_src_dst_ip(self):
+ """ Source and destination IP iACL test
+
+ Test scenario for basic IP ACL with source and destination IP
+ - Create IPv4 stream for pg0 -> pg1 interface.
+ - Create iACL with source and destination IP addresses.
+ - Send and verify received packets on pg1 interface.
+ """
+
+ # Basic iACL testing with source and destination IP
+ pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes)
+ self.pg0.add_stream(pkts)
+
+ key = 'ip'
+ self.create_classify_table(
+ key, self.build_ip_mask(src_ip='ffffffff', dst_ip='ffffffff'))
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_ip_match(src_ip=self.pg0.remote_ip4,
+ dst_ip=self.pg1.remote_ip4))
+ self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ pkts = self.pg1.get_capture(len(pkts))
+ self.verify_capture(self.pg1, pkts)
+ self.pg0.assert_nothing_captured(remark="packets forwarded")
+ self.pg2.assert_nothing_captured(remark="packets forwarded")
+ self.pg3.assert_nothing_captured(remark="packets forwarded")
+
+
+class TestClassifierUDP(TestClassifier):
+ """ Classifier UDP proto Test Case """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestClassifierUDP, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestClassifierUDP, cls).tearDownClass()
+
+ def test_iacl_proto_udp(self):
+ """ UDP protocol iACL test
+
+ Test scenario for basic protocol ACL with UDP protocol
+ - Create IPv4 stream for pg0 -> pg1 interface.
+ - Create iACL with UDP IP protocol.
+ - Send and verify received packets on pg1 interface.
+ """
+
+ # Basic iACL testing with UDP protocol
+ pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes)
+ self.pg0.add_stream(pkts)
+
+ key = 'proto_udp'
+ self.create_classify_table(key, self.build_ip_mask(proto='ff'))
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_ip_match(proto=socket.IPPROTO_UDP))
+ self.input_acl_set_interface(
+ self.pg0, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ pkts = self.pg1.get_capture(len(pkts))
+ self.verify_capture(self.pg1, pkts)
+ self.pg0.assert_nothing_captured(remark="packets forwarded")
+ self.pg2.assert_nothing_captured(remark="packets forwarded")
+ self.pg3.assert_nothing_captured(remark="packets forwarded")
+
+ def test_iacl_proto_udp_sport(self):
+ """ UDP source port iACL test
+
+ Test scenario for basic protocol ACL with UDP and sport
+ - Create IPv4 stream for pg0 -> pg1 interface.
+ - Create iACL with UDP IP protocol and defined sport.
+ - Send and verify received packets on pg1 interface.
+ """
+
+ # Basic iACL testing with UDP and sport
+ sport = 38
+ pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes,
+ UDP(sport=sport, dport=5678))
+ self.pg0.add_stream(pkts)
+
+ key = 'proto_udp_sport'
+ self.create_classify_table(
+ key, self.build_ip_mask(proto='ff', src_port='ffff'))
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_ip_match(proto=socket.IPPROTO_UDP, src_port=sport))
+ self.input_acl_set_interface(
+ self.pg0, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ pkts = self.pg1.get_capture(len(pkts))
+ self.verify_capture(self.pg1, pkts)
+ self.pg0.assert_nothing_captured(remark="packets forwarded")
+ self.pg2.assert_nothing_captured(remark="packets forwarded")
+ self.pg3.assert_nothing_captured(remark="packets forwarded")
+
+ def test_iacl_proto_udp_dport(self):
+ """ UDP destination port iACL test
+
+ Test scenario for basic protocol ACL with UDP and dport
+ - Create IPv4 stream for pg0 -> pg1 interface.
+ - Create iACL with UDP IP protocol and defined dport.
+ - Send and verify received packets on pg1 interface.
+ """
+
+ # Basic iACL testing with UDP and dport
+ dport = 427
+ pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes,
+ UDP(sport=1234, dport=dport))
+ self.pg0.add_stream(pkts)
+
+ key = 'proto_udp_dport'
+ self.create_classify_table(
+ key, self.build_ip_mask(proto='ff', dst_port='ffff'))
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_ip_match(proto=socket.IPPROTO_UDP, dst_port=dport))
+ self.input_acl_set_interface(
+ self.pg0, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ pkts = self.pg1.get_capture(len(pkts))
+ self.verify_capture(self.pg1, pkts)
+ self.pg0.assert_nothing_captured(remark="packets forwarded")
+ self.pg2.assert_nothing_captured(remark="packets forwarded")
+ self.pg3.assert_nothing_captured(remark="packets forwarded")
+
+ def test_iacl_proto_udp_sport_dport(self):
+ """ UDP source and destination ports iACL test
+
+ Test scenario for basic protocol ACL with UDP and sport and dport
+ - Create IPv4 stream for pg0 -> pg1 interface.
+ - Create iACL with UDP IP protocol and defined sport and dport.
+ - Send and verify received packets on pg1 interface.
+ """
+
+ # Basic iACL testing with UDP and sport and dport
+ sport = 13720
+ dport = 9080
+ pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes,
+ UDP(sport=sport, dport=dport))
+ self.pg0.add_stream(pkts)
+
+ key = 'proto_udp_ports'
+ self.create_classify_table(
+ key,
+ self.build_ip_mask(proto='ff', src_port='ffff', dst_port='ffff'))
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_ip_match(proto=socket.IPPROTO_UDP, src_port=sport,
+ dst_port=dport))
+ self.input_acl_set_interface(
+ self.pg0, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ pkts = self.pg1.get_capture(len(pkts))
+ self.verify_capture(self.pg1, pkts)
+ self.pg0.assert_nothing_captured(remark="packets forwarded")
+ self.pg2.assert_nothing_captured(remark="packets forwarded")
+ self.pg3.assert_nothing_captured(remark="packets forwarded")
+
+
+class TestClassifierTCP(TestClassifier):
+ """ Classifier TCP proto Test Case """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestClassifierTCP, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestClassifierTCP, cls).tearDownClass()
+
+ def test_iacl_proto_tcp(self):
+ """ TCP protocol iACL test
+
+ Test scenario for basic protocol ACL with TCP protocol
+ - Create IPv4 stream for pg0 -> pg1 interface.
+ - Create iACL with TCP IP protocol.
+ - Send and verify received packets on pg1 interface.
+ """
+
+ # Basic iACL testing with TCP protocol
+ pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes,
+ TCP(sport=1234, dport=5678))
+ self.pg0.add_stream(pkts)
+
+ key = 'proto_tcp'
+ self.create_classify_table(key, self.build_ip_mask(proto='ff'))
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_ip_match(proto=socket.IPPROTO_TCP))
+ self.input_acl_set_interface(
+ self.pg0, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ pkts = self.pg1.get_capture(len(pkts))
+ self.verify_capture(self.pg1, pkts, TCP)
+ self.pg0.assert_nothing_captured(remark="packets forwarded")
+ self.pg2.assert_nothing_captured(remark="packets forwarded")
+ self.pg3.assert_nothing_captured(remark="packets forwarded")
+
+ def test_iacl_proto_tcp_sport(self):
+ """ TCP source port iACL test
+
+ Test scenario for basic protocol ACL with TCP and sport
+ - Create IPv4 stream for pg0 -> pg1 interface.
+ - Create iACL with TCP IP protocol and defined sport.
+ - Send and verify received packets on pg1 interface.
+ """
+
+ # Basic iACL testing with TCP and sport
+ sport = 38
+ pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes,
+ TCP(sport=sport, dport=5678))
+ self.pg0.add_stream(pkts)
+
+ key = 'proto_tcp_sport'
+ self.create_classify_table(
+ key, self.build_ip_mask(proto='ff', src_port='ffff'))
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_ip_match(proto=socket.IPPROTO_TCP, src_port=sport))
+ self.input_acl_set_interface(
+ self.pg0, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ pkts = self.pg1.get_capture(len(pkts))
+ self.verify_capture(self.pg1, pkts, TCP)
+ self.pg0.assert_nothing_captured(remark="packets forwarded")
+ self.pg2.assert_nothing_captured(remark="packets forwarded")
+ self.pg3.assert_nothing_captured(remark="packets forwarded")
+
+ def test_iacl_proto_tcp_dport(self):
+ """ TCP destination port iACL test
+
+ Test scenario for basic protocol ACL with TCP and dport
+ - Create IPv4 stream for pg0 -> pg1 interface.
+ - Create iACL with TCP IP protocol and defined dport.
+ - Send and verify received packets on pg1 interface.
+ """
+
+ # Basic iACL testing with TCP and dport
+ dport = 427
+ pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes,
+ TCP(sport=1234, dport=dport))
+ self.pg0.add_stream(pkts)
+
+ key = 'proto_tcp_sport'
+ self.create_classify_table(
+ key, self.build_ip_mask(proto='ff', dst_port='ffff'))
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_ip_match(proto=socket.IPPROTO_TCP, dst_port=dport))
+ self.input_acl_set_interface(
+ self.pg0, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ pkts = self.pg1.get_capture(len(pkts))
+ self.verify_capture(self.pg1, pkts, TCP)
+ self.pg0.assert_nothing_captured(remark="packets forwarded")
+ self.pg2.assert_nothing_captured(remark="packets forwarded")
+ self.pg3.assert_nothing_captured(remark="packets forwarded")
+
+ def test_iacl_proto_tcp_sport_dport(self):
+ """ TCP source and destination ports iACL test
+
+ Test scenario for basic protocol ACL with TCP and sport and dport
+ - Create IPv4 stream for pg0 -> pg1 interface.
+ - Create iACL with TCP IP protocol and defined sport and dport.
+ - Send and verify received packets on pg1 interface.
+ """
+
+ # Basic iACL testing with TCP and sport and dport
+ sport = 13720
+ dport = 9080
+ pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes,
+ TCP(sport=sport, dport=dport))
+ self.pg0.add_stream(pkts)
+
+ key = 'proto_tcp_ports'
+ self.create_classify_table(
+ key,
+ self.build_ip_mask(proto='ff', src_port='ffff', dst_port='ffff'))
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_ip_match(proto=socket.IPPROTO_TCP, src_port=sport,
+ dst_port=dport))
+ self.input_acl_set_interface(
+ self.pg0, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ pkts = self.pg1.get_capture(len(pkts))
+ self.verify_capture(self.pg1, pkts, TCP)
+ self.pg0.assert_nothing_captured(remark="packets forwarded")
+ self.pg2.assert_nothing_captured(remark="packets forwarded")
+ self.pg3.assert_nothing_captured(remark="packets forwarded")
+
+
+class TestClassifierIPOut(TestClassifier):
+ """ Classifier output IP Test Case """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestClassifierIPOut, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestClassifierIPOut, cls).tearDownClass()
+
+ def test_acl_ip_out(self):
+ """ Output IP ACL test
+
+ Test scenario for basic IP ACL with source IP
+ - Create IPv4 stream for pg1 -> pg0 interface.
+ - Create ACL with source IP address.
+ - Send and verify received packets on pg0 interface.
+ """
+
+ # Basic oACL testing with source IP
+ pkts = self.create_stream(self.pg1, self.pg0, self.pg_if_packet_sizes)
+ self.pg1.add_stream(pkts)
+
+ key = 'ip_out'
+ self.create_classify_table(
+ key, self.build_ip_mask(src_ip='ffffffff'), data_offset=0)
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_ip_match(src_ip=self.pg1.remote_ip4))
+ self.output_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ pkts = self.pg0.get_capture(len(pkts))
+ self.verify_capture(self.pg0, pkts)
+ self.pg1.assert_nothing_captured(remark="packets forwarded")
+ self.pg2.assert_nothing_captured(remark="packets forwarded")
+ self.pg3.assert_nothing_captured(remark="packets forwarded")
+
+
+class TestClassifierMAC(TestClassifier):
+ """ Classifier MAC Test Case """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestClassifierMAC, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestClassifierMAC, cls).tearDownClass()
+
+ def test_acl_mac(self):
+ """ MAC ACL test
+
+ Test scenario for basic MAC ACL with source MAC
+ - Create IPv4 stream for pg0 -> pg2 interface.
+ - Create ACL with source MAC address.
+ - Send and verify received packets on pg2 interface.
+ """
+
+ # Basic iACL testing with source MAC
+ pkts = self.create_stream(self.pg0, self.pg2, self.pg_if_packet_sizes)
+ self.pg0.add_stream(pkts)
+
+ key = 'mac'
+ self.create_classify_table(
+ key, self.build_mac_mask(src_mac='ffffffffffff'), data_offset=-14)
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_mac_match(src_mac=self.pg0.remote_mac))
+ self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ pkts = self.pg2.get_capture(len(pkts))
+ self.verify_capture(self.pg2, pkts)
+ self.pg0.assert_nothing_captured(remark="packets forwarded")
+ self.pg1.assert_nothing_captured(remark="packets forwarded")
+ self.pg3.assert_nothing_captured(remark="packets forwarded")
+
+
+class TestClassifierPBR(TestClassifier):
+ """ Classifier PBR Test Case """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestClassifierPBR, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestClassifierPBR, cls).tearDownClass()
+
+ def test_acl_pbr(self):
+ """ IP PBR test
+
+ Test scenario for PBR with source IP
+ - Create IPv4 stream for pg0 -> pg3 interface.
+ - Configure PBR fib entry for packet forwarding.
+ - Send and verify received packets on pg3 interface.
+ """
+
+ # PBR testing with source IP
+ pkts = self.create_stream(self.pg0, self.pg3, self.pg_if_packet_sizes)
+ self.pg0.add_stream(pkts)
+
+ key = 'pbr'
+ self.create_classify_table(key, self.build_ip_mask(src_ip='ffffffff'))
+ pbr_option = 1
+ # this will create the VRF/table in which we will insert the route
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_ip_match(src_ip=self.pg0.remote_ip4),
+ pbr_option, self.pbr_vrfid)
+ self.assertTrue(self.verify_vrf(self.pbr_vrfid))
+ r = VppIpRoute(self, self.pg3.local_ip4, 24,
+ [VppRoutePath(self.pg3.remote_ip4,
+ INVALID_INDEX)],
+ table_id=self.pbr_vrfid)
+ r.add_vpp_config()
+
+ self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ pkts = self.pg3.get_capture(len(pkts))
+ self.verify_capture(self.pg3, pkts)
+ self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key), 0)
+ self.pg0.assert_nothing_captured(remark="packets forwarded")
+ self.pg1.assert_nothing_captured(remark="packets forwarded")
+ self.pg2.assert_nothing_captured(remark="packets forwarded")
+
+ # remove the classify session and the route
+ r.remove_vpp_config()
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_ip_match(src_ip=self.pg0.remote_ip4),
+ pbr_option, self.pbr_vrfid, is_add=0)
+
+ # and the table should be gone.
+ self.assertFalse(self.verify_vrf(self.pbr_vrfid))
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)