summaryrefslogtreecommitdiffstats
path: root/test/test_classifier.py
blob: 11c0985f4d449f280ef493252c7f369c8e85eb55 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
#!/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)