X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_classifier.py;h=ade96737e42d9b60676cc85668d9439a0d8ebe19;hb=13a08cc;hp=0923387cc96c4826d5e89f1d614003e3715675ba;hpb=7957d6e6f7207fb64ba6a9927c49bc466b70bfc3;p=vpp.git diff --git a/test/test_classifier.py b/test/test_classifier.py index 0923387cc96..ade96737e42 100644 --- a/test/test_classifier.py +++ b/test/test_classifier.py @@ -3,17 +3,29 @@ import unittest import socket import binascii +import sys from framework import VppTestCase, VppTestRunner from scapy.packet import Raw from scapy.layers.l2 import Ether -from scapy.layers.inet import IP, UDP +from scapy.layers.inet import IP, UDP, TCP from util import ppp + class TestClassifier(VppTestCase): """ Classifier Test Case """ + @classmethod + def setUpClass(cls): + """ + Perform standard class setup (defined by class method setUpClass in + class VppTestCase) before running the test case, set test case related + variables and configure VPP. + """ + super(TestClassifier, cls).setUpClass() + cls.acl_active_table = '' + def setUp(self): """ Perform test setup before test case. @@ -36,6 +48,7 @@ class TestClassifier(VppTestCase): :ivar dict acl_tbl_idx: ACL table index. :ivar int pbr_vrfid: VRF id for PBR test. """ + self.reset_packet_infos() super(TestClassifier, self).setUp() # create 4 pg interfaces @@ -58,12 +71,26 @@ class TestClassifier(VppTestCase): def tearDown(self): """Run standard test teardown and acl related log.""" - super(TestClassifier, self).tearDown() if not self.vpp_dead: + self.logger.info(self.vapi.ppcli("show inacl type ip4")) + self.logger.info(self.vapi.ppcli("show outacl type ip4")) self.logger.info(self.vapi.cli("show classify table verbose")) self.logger.info(self.vapi.cli("show ip fib")) + if self.acl_active_table == 'ip_out': + self.output_acl_set_interface( + self.pg0, self.acl_tbl_idx.get(self.acl_active_table), 0) + self.acl_active_table = '' + elif self.acl_active_table != '': + self.input_acl_set_interface( + self.pg0, self.acl_tbl_idx.get(self.acl_active_table), 0) + self.acl_active_table = '' + for intf in self.interfaces: + intf.unconfig_ip4() + intf.admin_down() + + super(TestClassifier, self).tearDown() - def config_pbr_fib_entry(self, intf): + def config_pbr_fib_entry(self, intf, is_add=1): """Configure fib entry to route traffic toward PBR VRF table :param VppInterface intf: destination interface to be routed for PBR. @@ -73,34 +100,38 @@ class TestClassifier(VppTestCase): self.vapi.ip_add_del_route(intf.local_ip4n, addr_len, intf.remote_ip4n, - table_id=self.pbr_vrfid) + table_id=self.pbr_vrfid, + is_add=is_add) - def create_stream(self, src_if, dst_if, packet_sizes): + def create_stream(self, src_if, dst_if, packet_sizes, + proto_l=UDP(sport=1234, dport=5678)): """Create input packet stream for defined interfaces. :param VppInterface src_if: Source Interface for packet stream. :param VppInterface dst_if: Destination Interface for packet stream. :param list packet_sizes: packet size to test. + :param Scapy proto_l: Required IP protocol. Default protocol is UDP. """ pkts = [] + for size in packet_sizes: - info = self.create_packet_info(src_if.sw_if_index, - dst_if.sw_if_index) + info = self.create_packet_info(src_if, dst_if) payload = self.info_to_payload(info) p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) / IP(src=src_if.remote_ip4, dst=dst_if.remote_ip4) / - UDP(sport=1234, dport=5678) / + proto_l / Raw(payload)) info.data = p.copy() self.extend_packet(p, size) pkts.append(p) return pkts - def verify_capture(self, dst_if, capture): + def verify_capture(self, dst_if, capture, proto_l=UDP): """Verify captured input packet stream for defined interface. :param VppInterface dst_if: Interface to verify captured packet stream. :param list capture: Captured packet stream. + :param Scapy proto_l: Required IP protocol. Default protocol is UDP. """ self.logger.info("Verifying capture on interface %s" % dst_if.name) last_info = dict() @@ -109,13 +140,14 @@ class TestClassifier(VppTestCase): dst_sw_if_index = dst_if.sw_if_index for packet in capture: try: - ip = packet[IP] - udp = packet[UDP] + ip_received = packet[IP] + proto_received = packet[proto_l] payload_info = self.payload_to_info(str(packet[Raw])) packet_index = payload_info.index self.assertEqual(payload_info.dst, dst_sw_if_index) - self.logger.debug("Got packet on port %s: src=%u (id=%u)" % - (dst_if.name, payload_info.src, packet_index)) + self.logger.debug( + "Got packet on port %s: src=%u (id=%u)" % + (dst_if.name, payload_info.src, packet_index)) next_info = self.get_next_packet_info_for_interface2( payload_info.src, dst_sw_if_index, last_info[payload_info.src]) @@ -123,11 +155,13 @@ class TestClassifier(VppTestCase): self.assertTrue(next_info is not None) self.assertEqual(packet_index, next_info.index) saved_packet = next_info.data + ip_saved = saved_packet[IP] + proto_saved = saved_packet[proto_l] # Check standard fields - self.assertEqual(ip.src, saved_packet[IP].src) - self.assertEqual(ip.dst, saved_packet[IP].dst) - self.assertEqual(udp.sport, saved_packet[UDP].sport) - self.assertEqual(udp.dport, saved_packet[UDP].dport) + self.assertEqual(ip_received.src, ip_saved.src) + self.assertEqual(ip_received.dst, ip_saved.dst) + self.assertEqual(proto_received.sport, proto_saved.sport) + self.assertEqual(proto_received.dport, proto_saved.dport) except: self.logger.error(ppp("Unexpected or invalid packet:", packet)) raise @@ -138,10 +172,29 @@ class TestClassifier(VppTestCase): "Interface %s: Packet expected from interface %s " "didn't arrive" % (dst_if.name, i.name)) + def verify_vrf(self, vrf_id): + """ + Check if the FIB table / VRF ID is configured. + + :param int vrf_id: The FIB table / VRF ID to be verified. + :return: 1 if the FIB table / VRF ID is configured, otherwise return 0. + """ + ip_fib_dump = self.vapi.ip_fib_dump() + vrf_count = 0 + for ip_fib_details in ip_fib_dump: + if ip_fib_details[2] == vrf_id: + vrf_count += 1 + if vrf_count == 0: + self.logger.info("IPv4 VRF ID %d is not configured" % vrf_id) + return 0 + else: + self.logger.info("IPv4 VRF ID %d is configured" % vrf_id) + return 1 + @staticmethod def build_ip_mask(proto='', src_ip='', dst_ip='', src_port='', dst_port=''): - """Build IP ACL mask data with hexstring format + """Build IP ACL mask data with hexstring format. :param str proto: protocol number <0-ff> :param str src_ip: source ip address <0-ffffffff> @@ -150,29 +203,32 @@ class TestClassifier(VppTestCase): :param str dst_port: destination port number <0-ffff> """ - return ('{:0>20}{:0>12}{:0>8}{:0>12}{:0>4}'.format(proto, src_ip, - dst_ip, src_port, dst_port)).rstrip('0') + return ('{:0>20}{:0>12}{:0>8}{:0>4}{:0>4}'.format( + proto, src_ip, dst_ip, src_port, dst_port)).rstrip('0') @staticmethod - def build_ip_match(proto='', src_ip='', dst_ip='', - src_port='', dst_port=''): - """Build IP ACL match data with hexstring format + def build_ip_match(proto=0, src_ip='', dst_ip='', + src_port=0, dst_port=0): + """Build IP ACL match data with hexstring format. - :param str proto: protocol number with valid option "<0-ff>" + :param int proto: protocol number with valid option "x" :param str src_ip: source ip address with format of "x.x.x.x" :param str dst_ip: destination ip address with format of "x.x.x.x" - :param str src_port: source port number <0-ffff> - :param str dst_port: destination port number <0-ffff> + :param int src_port: source port number "x" + :param int dst_port: destination port number "x" """ - if src_ip: src_ip = socket.inet_aton(src_ip).encode('hex') - if dst_ip: dst_ip = socket.inet_aton(dst_ip).encode('hex') + if src_ip: + src_ip = socket.inet_aton(src_ip).encode('hex') + if dst_ip: + dst_ip = socket.inet_aton(dst_ip).encode('hex') - return ('{:0>20}{:0>12}{:0>8}{:0>12}{:0>4}'.format(proto, src_ip, - dst_ip, src_port, dst_port)).rstrip('0') + return ('{:0>20}{:0>12}{:0>8}{:0>4}{:0>4}'.format( + hex(proto)[2:], src_ip, dst_ip, hex(src_port)[2:], + hex(dst_port)[2:])).rstrip('0') @staticmethod def build_mac_mask(dst_mac='', src_mac='', ether_type=''): - """Build MAC ACL mask data with hexstring format + """Build MAC ACL mask data with hexstring format. :param str dst_mac: source MAC address <0-ffffffffffff> :param str src_mac: destination MAC address <0-ffffffffffff> @@ -180,60 +236,59 @@ class TestClassifier(VppTestCase): """ return ('{:0>12}{:0>12}{:0>4}'.format(dst_mac, src_mac, - ether_type)).rstrip('0') + ether_type)).rstrip('0') @staticmethod def build_mac_match(dst_mac='', src_mac='', ether_type=''): - """Build MAC ACL match data with hexstring format + """Build MAC ACL match data with hexstring format. :param str dst_mac: source MAC address :param str src_mac: destination MAC address :param str ether_type: ethernet type <0-ffff> """ - if dst_mac: dst_mac = dst_mac.replace(':', '') - if src_mac: src_mac = src_mac.replace(':', '') + if dst_mac: + dst_mac = dst_mac.replace(':', '') + if src_mac: + src_mac = src_mac.replace(':', '') return ('{:0>12}{:0>12}{:0>4}'.format(dst_mac, src_mac, - ether_type)).rstrip('0') + ether_type)).rstrip('0') - def create_classify_table(self, key, mask, data_offset=0, is_add=1): + def create_classify_table(self, key, mask, data_offset=0): """Create Classify Table :param str key: key for classify table (ex, ACL name). :param str mask: mask value for interested traffic. - :param int match_n_vectors: - :param int is_add: option to configure classify table. - - create(1) or delete(0) + :param int data_offset: """ r = self.vapi.classify_add_del_table( - is_add, - binascii.unhexlify(mask), - match_n_vectors=(len(mask)-1)//32 + 1, - miss_next_index=0, - current_data_flag=1, - current_data_offset=data_offset) + is_add=1, + mask=binascii.unhexlify(mask), + match_n_vectors=(len(mask) - 1) // 32 + 1, + miss_next_index=0, + current_data_flag=1, + current_data_offset=data_offset) self.assertIsNotNone(r, msg='No response msg for add_del_table') self.acl_tbl_idx[key] = r.new_table_index - def create_classify_session(self, intf, table_index, match, - pbr_option=0, vrfid=0, is_add=1): + def create_classify_session(self, table_index, match, pbr_option=0, + vrfid=0, is_add=1): """Create Classify Session - :param VppInterface intf: Interface to apply classify session. :param int table_index: table index to identify classify table. :param str match: matched value for interested traffic. - :param int pbr_action: enable/disable PBR feature. + :param int pbr_option: enable/disable PBR feature. :param int vrfid: VRF id. :param int is_add: option to configure classify session. - create(1) or delete(0) """ r = self.vapi.classify_add_del_session( - is_add, - table_index, - binascii.unhexlify(match), - opaque_index=0, - action=pbr_option, - metadata=vrfid) + is_add, + table_index, + binascii.unhexlify(match), + opaque_index=0, + action=pbr_option, + metadata=vrfid) self.assertIsNotNone(r, msg='No response msg for add_del_session') def input_acl_set_interface(self, intf, table_index, is_add=1): @@ -245,39 +300,443 @@ class TestClassifier(VppTestCase): - enable(1) or disable(0) """ r = self.vapi.input_acl_set_interface( - is_add, - intf.sw_if_index, - ip4_table_index=table_index) + is_add, + intf.sw_if_index, + ip4_table_index=table_index) self.assertIsNotNone(r, msg='No response msg for acl_set_interface') - def test_acl_ip(self): - """ IP ACL test + def output_acl_set_interface(self, intf, table_index, is_add=1): + """Configure Output ACL interface + + :param VppInterface intf: Interface to apply Output ACL feature. + :param int table_index: table index to identify classify table. + :param int is_add: option to configure classify session. + - enable(1) or disable(0) + """ + r = self.vapi.output_acl_set_interface( + is_add, + intf.sw_if_index, + ip4_table_index=table_index) + self.assertIsNotNone(r, msg='No response msg for acl_set_interface') + + +# Tests split to different test case classes because of issue reported in +# ticket VPP-1336 +class TestClassifierIP(TestClassifier): + """ Classifier IP Test Case """ + + 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 ACL with source IP address. + - Create iACL with source IP address. - Send and verify received packets on pg1 interface. """ - # Basic ACL testing with source IP + # Basic iACL testing with source IP pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes) self.pg0.add_stream(pkts) - self.create_classify_table('ip', self.build_ip_mask(src_ip='ffffffff')) - self.create_classify_session(self.pg0, self.acl_tbl_idx.get('ip'), - self.build_ip_match(src_ip=self.pg0.remote_ip4)) - self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get('ip')) + 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() + pkts = self.pg1.get_capture(len(pkts)) self.verify_capture(self.pg1, pkts) - self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get('ip'), 0) 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 """ + + 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 """ + + 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 """ + + 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 """ + def test_acl_mac(self): """ MAC ACL test @@ -287,26 +746,32 @@ class TestClassifier(VppTestCase): - Send and verify received packets on pg2 interface. """ - # Basic ACL testing with source MAC + # Basic iACL testing with source MAC pkts = self.create_stream(self.pg0, self.pg2, self.pg_if_packet_sizes) self.pg0.add_stream(pkts) - self.create_classify_table('mac', - self.build_mac_mask(src_mac='ffffffffffff'), data_offset=-14) - self.create_classify_session(self.pg0, self.acl_tbl_idx.get('mac'), - self.build_mac_match(src_mac=self.pg0.remote_mac)) - self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get('mac')) + 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() + pkts = self.pg2.get_capture(len(pkts)) self.verify_capture(self.pg2, pkts) - self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get('mac'), 0) 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 """ + def test_acl_pbr(self): """ IP PBR test @@ -320,24 +785,37 @@ class TestClassifier(VppTestCase): pkts = self.create_stream(self.pg0, self.pg3, self.pg_if_packet_sizes) self.pg0.add_stream(pkts) - self.create_classify_table('pbr', self.build_ip_mask(src_ip='ffffffff')) + key = 'pbr' + self.create_classify_table(key, self.build_ip_mask(src_ip='ffffffff')) pbr_option = 1 - self.create_classify_session(self.pg0, self.acl_tbl_idx.get('pbr'), - self.build_ip_match(src_ip=self.pg0.remote_ip4), - pbr_option, self.pbr_vrfid) + # 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)) self.config_pbr_fib_entry(self.pg3) - self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get('pbr')) + 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() + 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('pbr'), 0) + 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 + self.config_pbr_fib_entry(self.pg3, is_add=0) + 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)