summaryrefslogtreecommitdiff
path: root/smoketest/scripts/cli/test_service_dhcp-server.py
blob: 14666db152da1db8bb6fde3738b402a44fc93ffb (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
#!/usr/bin/env python3
#
# Copyright (C) 2020-2021 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

import unittest

from base_vyostest_shim import VyOSUnitTestSHIM

from vyos.configsession import ConfigSessionError
from vyos.util import process_named_running
from vyos.util import read_file
from vyos.template import address_from_cidr
from vyos.template import inc_ip
from vyos.template import dec_ip
from vyos.template import netmask_from_cidr

PROCESS_NAME = 'dhcpd'
DHCPD_CONF = '/run/dhcp-server/dhcpd.conf'
base_path = ['service', 'dhcp-server']
subnet = '192.0.2.0/25'
router = inc_ip(subnet, 1)
dns_1 = inc_ip(subnet, 2)
dns_2 = inc_ip(subnet, 3)
domain_name = 'vyos.net'

class TestServiceDHCPServer(VyOSUnitTestSHIM.TestCase):
    @classmethod
    def setUpClass(cls):
        super(cls, cls).setUpClass()

        cidr_mask = subnet.split('/')[-1]
        cls.cli_set(cls, ['interfaces', 'dummy', 'dum8765', 'address', f'{router}/{cidr_mask}'])

    @classmethod
    def tearDownClass(cls):
        cls.cli_delete(cls, ['interfaces', 'dummy', 'dum8765'])
        super(cls, cls).tearDownClass()

    def tearDown(self):
        self.cli_delete(base_path)
        self.cli_commit()

    def test_dhcp_single_pool_range(self):
        shared_net_name = 'SMOKE-1'

        range_0_start = inc_ip(subnet, 10)
        range_0_stop  = inc_ip(subnet, 20)
        range_1_start = inc_ip(subnet, 40)
        range_1_stop  = inc_ip(subnet, 50)

        self.cli_set(base_path + ['dynamic-dns-update'])

        pool = base_path + ['shared-network-name', shared_net_name, 'subnet', subnet]
        # we use the first subnet IP address as default gateway
        self.cli_set(pool + ['default-router', router])
        self.cli_set(pool + ['name-server', dns_1])
        self.cli_set(pool + ['name-server', dns_2])
        self.cli_set(pool + ['domain-name', domain_name])
        self.cli_set(pool + ['ping-check'])

        # check validate() - No DHCP address range or active static-mapping set
        with self.assertRaises(ConfigSessionError):
            self.cli_commit()
        self.cli_set(pool + ['range', '0', 'start', range_0_start])
        self.cli_set(pool + ['range', '0', 'stop', range_0_stop])
        self.cli_set(pool + ['range', '1', 'start', range_1_start])
        self.cli_set(pool + ['range', '1', 'stop', range_1_stop])

        # commit changes
        self.cli_commit()

        config = read_file(DHCPD_CONF)
        network = address_from_cidr(subnet)
        netmask = netmask_from_cidr(subnet)
        self.assertIn(f'ddns-update-style interim;', config)
        self.assertIn(f'subnet {network} netmask {netmask}' + r' {', config)
        self.assertIn(f'option domain-name-servers {dns_1}, {dns_2};', config)
        self.assertIn(f'option routers {router};', config)
        self.assertIn(f'option domain-name "{domain_name}";', config)
        self.assertIn(f'default-lease-time 86400;', config)
        self.assertIn(f'max-lease-time 86400;', config)
        self.assertIn(f'ping-check true;', config)
        self.assertIn(f'range {range_0_start} {range_0_stop};', config)
        self.assertIn(f'range {range_1_start} {range_1_stop};', config)
        self.assertIn(f'set shared-networkname = "{shared_net_name}";', config)

        # Check for running process
        self.assertTrue(process_named_running(PROCESS_NAME))

    def test_dhcp_single_pool_options(self):
        shared_net_name = 'SMOKE-0815'

        range_0_start   = inc_ip(subnet, 10)
        range_0_stop    = inc_ip(subnet, 20)
        smtp_server     = '1.2.3.4'
        time_server     = '4.3.2.1'
        tftp_server     = 'tftp.vyos.io'
        search_domains  = ['foo.vyos.net', 'bar.vyos.net']
        bootfile_name   = 'vyos'
        bootfile_server = '192.0.2.1'
        wpad            = 'http://wpad.vyos.io/foo/bar'
        server_identifier = bootfile_server

        pool = base_path + ['shared-network-name', shared_net_name, 'subnet', subnet]
        # we use the first subnet IP address as default gateway
        self.cli_set(pool + ['default-router', router])
        self.cli_set(pool + ['name-server', dns_1])
        self.cli_set(pool + ['name-server', dns_2])
        self.cli_set(pool + ['domain-name', domain_name])
        self.cli_set(pool + ['ip-forwarding'])
        self.cli_set(pool + ['smtp-server', smtp_server])
        self.cli_set(pool + ['pop-server', smtp_server])
        self.cli_set(pool + ['time-server', time_server])
        self.cli_set(pool + ['tftp-server-name', tftp_server])
        for search in search_domains:
            self.cli_set(pool + ['domain-search', search])
        self.cli_set(pool + ['bootfile-name', bootfile_name])
        self.cli_set(pool + ['bootfile-server', bootfile_server])
        self.cli_set(pool + ['wpad-url', wpad])
        self.cli_set(pool + ['server-identifier', server_identifier])

        self.cli_set(pool + ['static-route', '10.0.0.0/24', 'next-hop', '192.0.2.1'])

        # check validate() - No DHCP address range or active static-mapping set
        with self.assertRaises(ConfigSessionError):
            self.cli_commit()
        self.cli_set(pool + ['range', '0', 'start', range_0_start])
        self.cli_set(pool + ['range', '0', 'stop', range_0_stop])

        # commit changes
        self.cli_commit()

        config = read_file(DHCPD_CONF)

        network = address_from_cidr(subnet)
        netmask = netmask_from_cidr(subnet)
        self.assertIn(f'ddns-update-style none;', config)
        self.assertIn(f'subnet {network} netmask {netmask}' + r' {', config)
        self.assertIn(f'option domain-name-servers {dns_1}, {dns_2};', config)
        self.assertIn(f'option routers {router};', config)
        self.assertIn(f'option domain-name "{domain_name}";', config)

        search = '"' + ('", "').join(search_domains) + '"'
        self.assertIn(f'option domain-search {search};', config)

        self.assertIn(f'option ip-forwarding true;', config)
        self.assertIn(f'option smtp-server {smtp_server};', config)
        self.assertIn(f'option pop-server {smtp_server};', config)
        self.assertIn(f'option time-servers {time_server};', config)
        self.assertIn(f'option wpad-url "{wpad}";', config)
        self.assertIn(f'option dhcp-server-identifier {server_identifier};', config)
        self.assertIn(f'option tftp-server-name "{tftp_server}";', config)
        self.assertIn(f'option bootfile-name "{bootfile_name}";', config)
        self.assertIn(f'filename "{bootfile_name}";', config)
        self.assertIn(f'next-server {bootfile_server};', config)
        self.assertIn(f'default-lease-time 86400;', config)
        self.assertIn(f'max-lease-time 86400;', config)
        self.assertIn(f'range {range_0_start} {range_0_stop};', config)
        self.assertIn(f'set shared-networkname = "{shared_net_name}";', config)

        # weird syntax for those static routes
        self.assertIn(f'option rfc3442-static-route 24,10,0,0,192,0,2,1, 0,192,0,2,1;', config)
        self.assertIn(f'option windows-static-route 24,10,0,0,192,0,2,1;', config)

        # Check for running process
        self.assertTrue(process_named_running(PROCESS_NAME))

    def test_dhcp_single_pool_static_mapping(self):
        shared_net_name = 'SMOKE-2'
        domain_name = 'private'

        pool = base_path + ['shared-network-name', shared_net_name, 'subnet', subnet]
        # we use the first subnet IP address as default gateway
        self.cli_set(pool + ['default-router', router])
        self.cli_set(pool + ['name-server', dns_1])
        self.cli_set(pool + ['name-server', dns_2])
        self.cli_set(pool + ['domain-name', domain_name])

        # check validate() - No DHCP address range or active static-mapping set
        with self.assertRaises(ConfigSessionError):
            self.cli_commit()

        client_base = 10
        for client in ['client1', 'client2', 'client3']:
            mac = '00:50:00:00:00:{}'.format(client_base)
            self.cli_set(pool + ['static-mapping', client, 'mac-address', mac])
            self.cli_set(pool + ['static-mapping', client, 'ip-address', inc_ip(subnet, client_base)])
            client_base += 1

        # commit changes
        self.cli_commit()

        config = read_file(DHCPD_CONF)
        network = address_from_cidr(subnet)
        netmask = netmask_from_cidr(subnet)
        self.assertIn(f'ddns-update-style none;', config)
        self.assertIn(f'subnet {network} netmask {netmask}' + r' {', config)
        self.assertIn(f'option domain-name-servers {dns_1}, {dns_2};', config)
        self.assertIn(f'option routers {router};', config)
        self.assertIn(f'option domain-name "{domain_name}";', config)
        self.assertIn(f'default-lease-time 86400;', config)
        self.assertIn(f'max-lease-time 86400;', config)

        client_base = 10
        for client in ['client1', 'client2', 'client3']:
            mac = '00:50:00:00:00:{}'.format(client_base)
            ip = inc_ip(subnet, client_base)
            self.assertIn(f'host {shared_net_name}_{client}' + ' {', config)
            self.assertIn(f'fixed-address {ip};', config)
            self.assertIn(f'hardware ethernet {mac};', config)
            client_base += 1

        self.assertIn(f'set shared-networkname = "{shared_net_name}";', config)

        # Check for running process
        self.assertTrue(process_named_running(PROCESS_NAME))

    def test_dhcp_multiple_pools(self):
        lease_time = '14400'

        for network in ['0', '1', '2', '3']:
            shared_net_name = f'VyOS-SMOKETEST-{network}'
            subnet = f'192.0.{network}.0/24'
            router = inc_ip(subnet, 1)
            dns_1 = inc_ip(subnet, 2)

            range_0_start = inc_ip(subnet, 10)
            range_0_stop  = inc_ip(subnet, 20)
            range_1_start = inc_ip(subnet, 30)
            range_1_stop  = inc_ip(subnet, 40)

            pool = base_path + ['shared-network-name', shared_net_name, 'subnet', subnet]
            # we use the first subnet IP address as default gateway
            self.cli_set(pool + ['default-router', router])
            self.cli_set(pool + ['name-server', dns_1])
            self.cli_set(pool + ['domain-name', domain_name])
            self.cli_set(pool + ['lease', lease_time])

            self.cli_set(pool + ['range', '0', 'start', range_0_start])
            self.cli_set(pool + ['range', '0', 'stop', range_0_stop])
            self.cli_set(pool + ['range', '1', 'start', range_1_start])
            self.cli_set(pool + ['range', '1', 'stop', range_1_stop])

            client_base = 60
            for client in ['client1', 'client2', 'client3', 'client4']:
                mac = '02:50:00:00:00:{}'.format(client_base)
                self.cli_set(pool + ['static-mapping', client, 'mac-address', mac])
                self.cli_set(pool + ['static-mapping', client, 'ip-address', inc_ip(subnet, client_base)])
                client_base += 1

        # commit changes
        self.cli_commit()

        config = read_file(DHCPD_CONF)
        for network in ['0', '1', '2', '3']:
            shared_net_name = f'VyOS-SMOKETEST-{network}'
            subnet = f'192.0.{network}.0/24'
            router = inc_ip(subnet, 1)
            dns_1 = inc_ip(subnet, 2)

            range_0_start = inc_ip(subnet, 10)
            range_0_stop  = inc_ip(subnet, 20)
            range_1_start = inc_ip(subnet, 30)
            range_1_stop  = inc_ip(subnet, 40)

            network = address_from_cidr(subnet)
            netmask = netmask_from_cidr(subnet)

            self.assertIn(f'ddns-update-style none;', config)
            self.assertIn(f'subnet {network} netmask {netmask}' + r' {', config)
            self.assertIn(f'option domain-name-servers {dns_1};', config)
            self.assertIn(f'option routers {router};', config)
            self.assertIn(f'option domain-name "{domain_name}";', config)
            self.assertIn(f'default-lease-time {lease_time};', config)
            self.assertIn(f'max-lease-time {lease_time};', config)
            self.assertIn(f'range {range_0_start} {range_0_stop};', config)
            self.assertIn(f'range {range_1_start} {range_1_stop};', config)
            self.assertIn(f'set shared-networkname = "{shared_net_name}";', config)

            client_base = 60
            for client in ['client1', 'client2', 'client3', 'client4']:
                mac = '02:50:00:00:00:{}'.format(client_base)
                ip = inc_ip(subnet, client_base)
                self.assertIn(f'host {shared_net_name}_{client}' + ' {', config)
                self.assertIn(f'fixed-address {ip};', config)
                self.assertIn(f'hardware ethernet {mac};', config)
                client_base += 1

        # Check for running process
        self.assertTrue(process_named_running(PROCESS_NAME))

    def test_dhcp_exclude_not_in_range(self):
        # T3180: verify else path when slicing DHCP ranges and exclude address
        # is not part of the DHCP range
        range_0_start = inc_ip(subnet, 10)
        range_0_stop  = inc_ip(subnet, 20)

        pool = base_path + ['shared-network-name', 'EXCLUDE-TEST', 'subnet', subnet]
        self.cli_set(pool + ['default-router', router])
        self.cli_set(pool + ['exclude', router])
        self.cli_set(pool + ['range', '0', 'start', range_0_start])
        self.cli_set(pool + ['range', '0', 'stop', range_0_stop])

        # commit changes
        self.cli_commit()

        # VErify
        config = read_file(DHCPD_CONF)
        network = address_from_cidr(subnet)
        netmask = netmask_from_cidr(subnet)

        self.assertIn(f'subnet {network} netmask {netmask}' + r' {', config)
        self.assertIn(f'option routers {router};', config)
        self.assertIn(f'range {range_0_start} {range_0_stop};', config)

        # Check for running process
        self.assertTrue(process_named_running(PROCESS_NAME))

    def test_dhcp_exclude_in_range(self):
        # T3180: verify else path when slicing DHCP ranges and exclude address
        # is not part of the DHCP range
        range_0_start = inc_ip(subnet, 10)
        range_0_stop  = inc_ip(subnet, 100)

        # the DHCP exclude addresse is blanked out of the range which is done
        # by slicing one range into two ranges
        exclude_addr  = inc_ip(range_0_start, 20)
        range_0_stop_excl = dec_ip(exclude_addr, 1)
        range_0_start_excl = inc_ip(exclude_addr, 1)

        pool = base_path + ['shared-network-name', 'EXCLUDE-TEST-2', 'subnet', subnet]
        self.cli_set(pool + ['default-router', router])
        self.cli_set(pool + ['exclude', exclude_addr])
        self.cli_set(pool + ['range', '0', 'start', range_0_start])
        self.cli_set(pool + ['range', '0', 'stop', range_0_stop])

        # commit changes
        self.cli_commit()

        # Verify
        config = read_file(DHCPD_CONF)
        network = address_from_cidr(subnet)
        netmask = netmask_from_cidr(subnet)

        self.assertIn(f'subnet {network} netmask {netmask}' + r' {', config)
        self.assertIn(f'option routers {router};', config)
        self.assertIn(f'range {range_0_start} {range_0_stop_excl};', config)
        self.assertIn(f'range {range_0_start_excl} {range_0_stop};', config)

        # Check for running process
        self.assertTrue(process_named_running(PROCESS_NAME))

    def test_dhcp_relay_server(self):
        # Listen on specific address and return DHCP leases from a non
        # directly connected pool
        self.cli_set(base_path + ['listen-address', router])

        relay_subnet = '10.0.0.0/16'
        relay_router = inc_ip(relay_subnet, 1)

        range_0_start = '10.0.1.0'
        range_0_stop  = '10.0.250.255'

        pool = base_path + ['shared-network-name', 'RELAY', 'subnet', relay_subnet]
        self.cli_set(pool + ['default-router', relay_router])
        self.cli_set(pool + ['range', '0', 'start', range_0_start])
        self.cli_set(pool + ['range', '0', 'stop', range_0_stop])

        # commit changes
        self.cli_commit()

        config = read_file(DHCPD_CONF)
        network = address_from_cidr(subnet)
        netmask = netmask_from_cidr(subnet)
        # Check the relay network
        self.assertIn(f'subnet {network} netmask {netmask}' + r' { }', config)

        relay_network = address_from_cidr(relay_subnet)
        relay_netmask = netmask_from_cidr(relay_subnet)
        self.assertIn(f'subnet {relay_network} netmask {relay_netmask}' + r' {', config)
        self.assertIn(f'option routers {relay_router};', config)
        self.assertIn(f'range {range_0_start} {range_0_stop};', config)

        # Check for running process
        self.assertTrue(process_named_running(PROCESS_NAME))

    def test_dhcp_invalid_raw_options(self):
        shared_net_name = 'SMOKE-5'

        range_0_start = inc_ip(subnet, 10)
        range_0_stop  = inc_ip(subnet, 20)

        pool = base_path + ['shared-network-name', shared_net_name, 'subnet', subnet]
        # we use the first subnet IP address as default gateway
        self.cli_set(pool + ['default-router', router])
        self.cli_set(pool + ['range', '0', 'start', range_0_start])
        self.cli_set(pool + ['range', '0', 'stop', range_0_stop])

        self.cli_set(base_path + ['global-parameters', 'this-is-crap'])
        # check generate() - dhcpd should not acceot this garbage config
        with self.assertRaises(ConfigSessionError):
            self.cli_commit()
        self.cli_delete(base_path + ['global-parameters'])

        # commit changes
        self.cli_commit()

        # Check for running process
        self.assertTrue(process_named_running(PROCESS_NAME))

    def test_dhcp_failover(self):
        shared_net_name = 'FAILOVER'
        failover_name = 'VyOS-Failover'

        range_0_start = inc_ip(subnet, 10)
        range_0_stop  = inc_ip(subnet, 20)

        pool = base_path + ['shared-network-name', shared_net_name, 'subnet', subnet]
        # we use the first subnet IP address as default gateway
        self.cli_set(pool + ['default-router', router])

        # check validate() - No DHCP address range or active static-mapping set
        with self.assertRaises(ConfigSessionError):
            self.cli_commit()
        self.cli_set(pool + ['range', '0', 'start', range_0_start])
        self.cli_set(pool + ['range', '0', 'stop', range_0_stop])

        # failover
        failover_local = router
        failover_remote = inc_ip(router, 1)

        self.cli_set(base_path + ['failover', 'source-address', failover_local])
        self.cli_set(base_path + ['failover', 'name', failover_name])
        self.cli_set(base_path + ['failover', 'remote', failover_remote])
        self.cli_set(base_path + ['failover', 'status', 'primary'])

        # check validate() - failover needs to be enabled for at least one subnet
        with self.assertRaises(ConfigSessionError):
            self.cli_commit()
        self.cli_set(pool + ['enable-failover'])

        # commit changes
        self.cli_commit()

        config = read_file(DHCPD_CONF)

        self.assertIn(f'failover peer "{failover_name}"' + r' {', config)
        self.assertIn(f'primary;', config)
        self.assertIn(f'mclt 1800;', config)
        self.assertIn(f'mclt 1800;', config)
        self.assertIn(f'split 128;', config)
        self.assertIn(f'port 520;', config)
        self.assertIn(f'peer port 520;', config)
        self.assertIn(f'max-response-delay 30;', config)
        self.assertIn(f'max-unacked-updates 10;', config)
        self.assertIn(f'load balance max seconds 3;', config)
        self.assertIn(f'peer port 520;', config)
        self.assertIn(f'address {failover_local};', config)
        self.assertIn(f'peer address {failover_remote};', config)

        network = address_from_cidr(subnet)
        netmask = netmask_from_cidr(subnet)
        self.assertIn(f'ddns-update-style none;', config)
        self.assertIn(f'subnet {network} netmask {netmask}' + r' {', config)
        self.assertIn(f'option routers {router};', config)
        self.assertIn(f'range {range_0_start} {range_0_stop};', config)
        self.assertIn(f'set shared-networkname = "{shared_net_name}";', config)
        self.assertIn(f'failover peer "{failover_name}";', config)
        self.assertIn(f'deny dynamic bootp clients;', config)

        # Check for running process
        self.assertTrue(process_named_running(PROCESS_NAME))

if __name__ == '__main__':
    unittest.main(verbosity=2)