#!/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)