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
|
# Unix SMB/CIFS implementation.
# backend code for provisioning DNS for a Samba4 server
#
# Copyright (C) Kai Blin <kai@samba.org> 2011
# Copyright (C) Amitay Isaacs <amitay@gmail.com> 2011
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# 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/>.
#
"""DNS-related provisioning"""
import os
import uuid
import ldb
import samba
from samba.ndr import ndr_pack, ndr_unpack
from samba import read_and_sub_file
from samba.dcerpc import dnsp, misc
from samba.dsdb import (
DS_DOMAIN_FUNCTION_2000,
DS_DOMAIN_FUNCTION_2003,
DS_DOMAIN_FUNCTION_2008,
DS_DOMAIN_FUNCTION_2008_R2
)
def add_ldif(ldb, ldif_file, subst_vars, controls=["relax:0"]):
ldif_file_path = os.path.join(samba.param.setup_dir(), ldif_file)
data = read_and_sub_file(ldif_file_path, subst_vars)
ldb.add_ldif(data, controls)
def modify_ldif(ldb, ldif_file, subst_vars, controls=["relax:0"]):
ldif_file_path = os.path.join(samba.param.setup_dir(), ldif_file)
data = read_and_sub_file(ldif_file_path, subst_vars)
ldb.modify_ldif(data, controls)
def get_domainguid(samdb, domaindn):
res = samdb.search(base=domaindn, scope=ldb.SCOPE_BASE, attrs=["objectGUID"])
domainguid = str(ndr_unpack(misc.GUID, res[0]["objectGUID"][0]))
return domainguid
def get_ntdsguid(samdb, domaindn):
configdn = samdb.get_config_basedn()
res1 = samdb.search(base="OU=Domain Controllers,%s" % domaindn, scope=ldb.SCOPE_ONELEVEL,
attrs=["dNSHostName"])
res2 = samdb.search(expression="serverReference=%s" % res1[0].dn, base=configdn)
res3 = samdb.search(base="CN=NTDS Settings,%s" % res2[0].dn, scope=ldb.SCOPE_BASE,
attrs=["objectGUID"])
ntdsguid = str(ndr_unpack(misc.GUID, res3[0]["objectGUID"][0]))
return ntdsguid
class ARecord(dnsp.DnssrvRpcRecord):
def __init__(self, ip_addr, serial=1, ttl=900, rank=dnsp.DNS_RANK_ZONE):
super(ARecord, self).__init__()
self.wType = dnsp.DNS_TYPE_A
self.rank = rank
self.dwSerial = serial
self.dwTtlSeconds = ttl
self.data = ip_addr
class AAAARecord(dnsp.DnssrvRpcRecord):
def __init__(self, ip6_addr, serial=1, ttl=900, rank=dnsp.DNS_RANK_ZONE):
super(AAAARecord, self).__init__()
self.wType = dnsp.DNS_TYPE_AAAA
self.rank = rank
self.dwSerial = serial
self.dwTtlSeconds = ttl
self.data = ip6_addr
class CNameRecord(dnsp.DnssrvRpcRecord):
def __init__(self, cname, serial=1, ttl=900, rank=dnsp.DNS_RANK_ZONE):
super(CNameRecord, self).__init__()
self.wType = dnsp.DNS_TYPE_CNAME
self.rank = rank
self.dwSerial = serial
self.dwTtlSeconds = ttl
self.data = cname
class NSRecord(dnsp.DnssrvRpcRecord):
def __init__(self, dns_server, serial=1, ttl=900, rank=dnsp.DNS_RANK_ZONE):
super(NSRecord, self).__init__()
self.wType = dnsp.DNS_TYPE_NS
self.rank = rank
self.dwSerial = serial
self.dwTtlSeconds = ttl
self.data = dns_server
class SOARecord(dnsp.DnssrvRpcRecord):
def __init__(self, mname, rname, serial=1, refresh=900, retry=600,
expire=86400, minimum=3600, ttl=3600, rank=dnsp.DNS_RANK_ZONE):
super(SOARecord, self).__init__()
self.wType = dnsp.DNS_TYPE_SOA
self.rank = rank
self.dwSerial = serial
self.dwTtlSeconds = ttl
soa = dnsp.soa()
soa.serial = serial
soa.refresh = refresh
soa.retry = retry
soa.expire = expire
soa.mname = mname
soa.rname = rname
self.data = soa
class SRVRecord(dnsp.DnssrvRpcRecord):
def __init__(self, target, port, priority=0, weight=100, serial=1, ttl=900,
rank=dnsp.DNS_RANK_ZONE):
super(SRVRecord, self).__init__()
self.wType = dnsp.DNS_TYPE_SRV
self.rank = rank
self.dwSerial = serial
self.dwTtlSeconds = ttl
srv = dnsp.srv()
srv.nameTarget = target
srv.wPort = port
srv.wPriority = priority
srv.wWeight = weight
self.data = srv
def setup_dns_partitions(samdb, domaindn, forestdn, configdn, serverdn):
# FIXME: Default security descriptor for Domain-DNS objectCategory is different in
# our documentation from windows
domainzone_dn = "DC=DomainDnsZones,%s" % domaindn
forestzone_dn = "DC=ForestDnsZones,%s" % forestdn
add_ldif(samdb, "provision_dnszones_partitions.ldif", {
"DOMAINZONE_DN": domainzone_dn,
"FORESTZONE_DN": forestzone_dn,
})
domainzone_guid = get_domainguid(samdb, domainzone_dn)
forestzone_guid = get_domainguid(samdb, forestzone_dn)
domainzone_guid = str(uuid.uuid4())
forestzone_guid = str(uuid.uuid4())
domainzone_dns = ldb.Dn(samdb, domainzone_dn).canonical_ex_str().strip()
forestzone_dns = ldb.Dn(samdb, forestzone_dn).canonical_ex_str().strip()
add_ldif(samdb, "provision_dnszones_add.ldif", {
"DOMAINZONE_DN": domainzone_dn,
"FORESTZONE_DN": forestzone_dn,
"DOMAINZONE_GUID": domainzone_guid,
"FORESTZONE_GUID": forestzone_guid,
"DOMAINZONE_DNS": domainzone_dns,
"FORESTZONE_DNS": forestzone_dns,
"CONFIGDN": configdn,
"SERVERDN": serverdn,
})
modify_ldif(samdb, "provision_dnszones_modify.ldif", {
"CONFIGDN": configdn,
"SERVERDN": serverdn,
"DOMAINZONE_DN": domainzone_dn,
"FORESTZONE_DN": forestzone_dn,
})
def add_dns_accounts(samdb, domaindn):
add_ldif(samdb, "provision_dns_accounts_add.ldif", {
"DOMAINDN": domaindn,
})
def add_dns_container(samdb, domaindn, prefix):
# CN=MicrosoftDNS,<PREFIX>,<DOMAINDN>
msg = ldb.Message(ldb.Dn(samdb, "CN=MicrosoftDNS,%s,%s" % (prefix, domaindn)))
msg["objectClass"] = ["top", "container"]
msg["displayName"] = ldb.MessageElement("DNS Servers", ldb.FLAG_MOD_ADD, "displayName")
samdb.add(msg)
def add_rootservers(samdb, domaindn, prefix):
rootservers = {}
rootservers["a.root-servers.net"] = "198.41.0.4"
rootservers["b.root-servers.net"] = "192.228.79.201"
rootservers["c.root-servers.net"] = "192.33.4.12"
rootservers["d.root-servers.net"] = "128.8.10.90"
rootservers["e.root-servers.net"] = "192.203.230.10"
rootservers["f.root-servers.net"] = "192.5.5.241"
rootservers["g.root-servers.net"] = "192.112.36.4"
rootservers["h.root-servers.net"] = "128.63.2.53"
rootservers["i.root-servers.net"] = "192.36.148.17"
rootservers["j.root-servers.net"] = "192.58.128.30"
rootservers["k.root-servers.net"] = "193.0.14.129"
rootservers["l.root-servers.net"] = "199.7.83.42"
rootservers["m.root-servers.net"] = "202.12.27.33"
rootservers_v6 = {}
rootservers_v6["a.root-servers.net"] = "2001:503:ba3e::2:30"
rootservers_v6["f.root-servers.net"] = "2001:500:2f::f"
rootservers_v6["h.root-servers.net"] = "2001:500:1::803f:235"
rootservers_v6["j.root-servers.net"] = "2001:503:c27::2:30"
rootservers_v6["k.root-servers.net"] = "2001:7fd::1"
rootservers_v6["m.root-servers.net"] = "2001:dc3::35"
container_dn = "DC=RootDNSServers,CN=MicrosoftDNS,%s,%s" % (prefix, domaindn)
# Add DC=RootDNSServers,CN=MicrosoftDNS,<PREFIX>,<DOMAINDN>
msg = ldb.Message(ldb.Dn(samdb, container_dn))
msg["objectClass"] = ["top", "dnsZone"]
samdb.add(msg)
# Add DC=@,DC=RootDNSServers,CN=MicrosoftDNS,<PREFIX>,<DOMAINDN>
record = []
for rserver in rootservers:
record.append(ndr_pack(NSRecord(rserver, serial=0, ttl=0, rank=dnsp.DNS_RANK_ROOT_HINT)))
msg = ldb.Message(ldb.Dn(samdb, "DC=@,%s" % container_dn))
msg["objectClass"] = ["top", "dnsNode"]
msg["dnsRecord"] = ldb.MessageElement(record, ldb.FLAG_MOD_ADD, "dnsRecord")
samdb.add(msg)
# Add DC=<rootserver>,DC=RootDNSServers,CN=MicrosoftDNS,<PREFIX>,<DOMAINDN>
for rserver in rootservers:
record = [ndr_pack(ARecord(rootservers[rserver], serial=0, ttl=0, rank=dnsp.DNS_RANK_ROOT_HINT))]
# Add AAAA record as well (How does W2K* add IPv6 records?)
#if rserver in rootservers_v6:
# record.append(ndr_pack(AAAARecord(rootservers_v6[rserver], serial=0, ttl=0)))
msg = ldb.Message(ldb.Dn(samdb, "DC=%s,%s" % (rserver, container_dn)))
msg["objectClass"] = ["top", "dnsNode"]
msg["dnsRecord"] = ldb.MessageElement(record, ldb.FLAG_MOD_ADD, "dnsRecord")
samdb.add(msg)
def add_at_record(samdb, container_dn, prefix, hostname, dnsdomain, hostip, hostip6):
fqdn_hostname = "%s.%s" % (hostname, dnsdomain)
at_records = []
# SOA record
at_soa_record = SOARecord(fqdn_hostname, "hostmaster.%s" % dnsdomain)
at_records.append(ndr_pack(at_soa_record))
# NS record
at_ns_record = NSRecord(fqdn_hostname)
at_records.append(ndr_pack(at_ns_record))
if hostip is not None:
# A record
at_a_record = ARecord(hostip)
at_records.append(ndr_pack(at_a_record))
if hostip6 is not None:
# AAAA record
at_aaaa_record = AAAARecord(hostip6)
at_records.append(ndr_pack(at_aaaa_record))
msg = ldb.Message(ldb.Dn(samdb, "DC=@,%s" % container_dn))
msg["objectClass"] = ["top", "dnsNode"]
msg["dnsRecord"] = ldb.MessageElement(at_records, ldb.FLAG_MOD_ADD, "dnsRecord")
samdb.add(msg)
def add_srv_record(samdb, container_dn, prefix, host, port):
srv_record = SRVRecord(host, port)
msg = ldb.Message(ldb.Dn(samdb, "%s,%s" % (prefix, container_dn)))
msg["objectClass"] = ["top", "dnsNode"]
msg["dnsRecord"] = ldb.MessageElement(ndr_pack(srv_record), ldb.FLAG_MOD_ADD, "dnsRecord")
samdb.add(msg)
def add_ns_record(samdb, container_dn, prefix, host):
ns_record = NSRecord(host)
msg = ldb.Message(ldb.Dn(samdb, "%s,%s" % (prefix, container_dn)))
msg["objectClass"] = ["top", "dnsNode"]
msg["dnsRecord"] = ldb.MessageElement(ndr_pack(ns_record), ldb.FLAG_MOD_ADD, "dnsRecord")
samdb.add(msg)
def add_ns_glue_record(samdb, container_dn, prefix, host):
ns_record = NSRecord(host, rank=dnsp.DNS_RANK_NS_GLUE)
msg = ldb.Message(ldb.Dn(samdb, "%s,%s" % (prefix, container_dn)))
msg["objectClass"] = ["top", "dnsNode"]
msg["dnsRecord"] = ldb.MessageElement(ndr_pack(ns_record), ldb.FLAG_MOD_ADD, "dnsRecord")
samdb.add(msg)
def add_cname_record(samdb, container_dn, prefix, host):
cname_record = CNameRecord(host)
msg = ldb.Message(ldb.Dn(samdb, "%s,%s" % (prefix, container_dn)))
msg["objectClass"] = ["top", "dnsNode"]
msg["dnsRecord"] = ldb.MessageElement(ndr_pack(cname_record), ldb.FLAG_MOD_ADD, "dnsRecord")
samdb.add(msg)
def add_host_record(samdb, container_dn, prefix, hostip, hostip6):
host_records = []
if hostip:
a_record = ARecord(hostip)
host_records.append(ndr_pack(a_record))
if hostip6:
aaaa_record = AAAARecord(hostip6)
host_records.append(ndr_pack(aaaa_record))
if host_records:
msg = ldb.Message(ldb.Dn(samdb, "%s,%s" % (prefix, container_dn)))
msg["objectClass"] = ["top", "dnsNode"]
msg["dnsRecord"] = ldb.MessageElement(host_records, ldb.FLAG_MOD_ADD, "dnsRecord")
samdb.add(msg)
def add_domain_record(samdb, domaindn, prefix, dnsdomain):
# DC=<DNSDOMAIN>,CN=MicrosoftDNS,<PREFIX>,<DOMAINDN>
msg = ldb.Message(ldb.Dn(samdb, "DC=%s,CN=MicrosoftDNS,%s,%s" % (dnsdomain, prefix, domaindn)))
msg["objectClass"] = ["top", "dnsZone"]
samdb.add(msg)
def add_msdcs_record(samdb, forestdn, prefix, dnsforest):
# DC=_msdcs.<DNSFOREST>,CN=MicrosoftDNS,<PREFIX>,<FORESTDN>
msg = ldb.Message(ldb.Dn(samdb, "DC=_msdcs.%s,CN=MicrosoftDNS,%s,%s" %
(dnsforest, prefix, forestdn)))
msg["objectClass"] = ["top", "dnsZone"]
samdb.add(msg)
def add_dc_domain_records(samdb, domaindn, prefix, site, dnsdomain, hostname, hostip, hostip6):
fqdn_hostname = "%s.%s" % (hostname, dnsdomain)
# Set up domain container - DC=<DNSDOMAIN>,CN=MicrosoftDNS,<PREFIX>,<DOMAINDN>
domain_container_dn = ldb.Dn(samdb, "DC=%s,CN=MicrosoftDNS,%s,%s" %
(dnsdomain, prefix, domaindn))
# DC=@ record
add_at_record(samdb, domain_container_dn, "DC=@", hostname, dnsdomain, hostip, hostip6)
# DC=<HOSTNAME> record
add_host_record(samdb, domain_container_dn, "DC=%s" % hostname, hostip, hostip6)
# DC=_kerberos._tcp record
add_srv_record(samdb, domain_container_dn, "DC=_kerberos._tcp", fqdn_hostname, 88)
# DC=_kerberos._tcp.<SITENAME>._sites record
add_srv_record(samdb, domain_container_dn, "DC=_kerberos._tcp.%s._sites" % site,
fqdn_hostname, 88)
# DC=_kerberos._udp record
add_srv_record(samdb, domain_container_dn, "DC=_kerberos._udp", fqdn_hostname, 88)
# DC=_kpasswd._tcp record
add_srv_record(samdb, domain_container_dn, "DC=_kpasswd._tcp", fqdn_hostname, 464)
# DC=_kpasswd._udp record
add_srv_record(samdb, domain_container_dn, "DC=_kpasswd._udp", fqdn_hostname, 464)
# DC=_ldap._tcp record
add_srv_record(samdb, domain_container_dn, "DC=_ldap._tcp", fqdn_hostname, 389)
# DC=_ldap._tcp.<SITENAME>._sites record
add_srv_record(samdb, domain_container_dn, "DC=_ldap._tcp.%s._sites" % site,
fqdn_hostname, 389)
# FIXME: The number of SRV records depend on the various roles this DC has.
# _gc and _msdcs records are added if the we are the forest dc and not subdomain dc
#
# Assumption: current DC is GC and add all the entries
# DC=_gc._tcp record
add_srv_record(samdb, domain_container_dn, "DC=_gc._tcp", fqdn_hostname, 3268)
# DC=_gc._tcp.<SITENAME>,_sites record
add_srv_record(samdb, domain_container_dn, "DC=_gc._tcp.%s._sites" % site, fqdn_hostname, 3268)
# DC=_msdcs record
add_ns_glue_record(samdb, domain_container_dn, "DC=_msdcs", fqdn_hostname)
# FIXME: Following entries are added only if DomainDnsZones and ForestDnsZones partitions
# are created
#
# Assumption: Additional entries won't hurt on os_level = 2000
# DC=_ldap._tcp.<SITENAME>._sites.DomainDnsZones
add_srv_record(samdb, domain_container_dn, "DC=_ldap._tcp.%s._sites.DomainDnsZones" % site,
fqdn_hostname, 389)
# DC=_ldap._tcp.<SITENAME>._sites.ForestDnsZones
add_srv_record(samdb, domain_container_dn, "DC=_ldap._tcp.%s._sites.ForestDnsZones" % site,
fqdn_hostname, 389)
# DC=_ldap._tcp.DomainDnsZones
add_srv_record(samdb, domain_container_dn, "DC=_ldap._tcp.DomainDnsZones",
fqdn_hostname, 389)
# DC=_ldap._tcp.ForestDnsZones
add_srv_record(samdb, domain_container_dn, "DC=_ldap._tcp.ForestDnsZones",
fqdn_hostname, 389)
# DC=DomainDnsZones
add_host_record(samdb, domain_container_dn, "DC=DomainDnsZones", hostip, hostip6)
# DC=ForestDnsZones
add_host_record(samdb, domain_container_dn, "DC=ForestDnsZones", hostip, hostip6)
def add_dc_msdcs_records(samdb, forestdn, prefix, site, dnsforest, hostname,
hostip, hostip6, domainguid, ntdsguid):
fqdn_hostname = "%s.%s" % (hostname, dnsforest)
# Set up forest container - DC=<DNSDOMAIN>,CN=MicrosoftDNS,<PREFIX>,<DOMAINDN>
forest_container_dn = ldb.Dn(samdb, "DC=_msdcs.%s,CN=MicrosoftDNS,%s,%s" %
(dnsforest, prefix, forestdn))
# DC=@ record
add_at_record(samdb, forest_container_dn, "DC=@", hostname, dnsforest, None, None)
# DC=_kerberos._tcp.dc record
add_srv_record(samdb, forest_container_dn, "DC=_kerberos._tcp.dc", fqdn_hostname, 88)
# DC=_kerberos._tcp.<SITENAME>._sites.dc record
add_srv_record(samdb, forest_container_dn, "DC=_kerberos._tcp.%s._sites.dc" % site,
fqdn_hostname, 88)
# DC=_ldap._tcp.dc record
add_srv_record(samdb, forest_container_dn, "DC=_ldap._tcp.dc", fqdn_hostname, 389)
# DC=_ldap._tcp.<SITENAME>._sites.dc record
add_srv_record(samdb, forest_container_dn, "DC=_ldap._tcp.%s._sites.dc" % site,
fqdn_hostname, 389)
# DC=_ldap._tcp.<SITENAME>._sites.gc record
add_srv_record(samdb, forest_container_dn, "DC=_ldap._tcp.%s._sites.gc" % site,
fqdn_hostname, 3268)
# DC=_ldap._tcp.gc record
add_srv_record(samdb, forest_container_dn, "DC=_ldap._tcp.gc", fqdn_hostname, 3268)
# DC=_ldap._tcp.pdc record
add_srv_record(samdb, forest_container_dn, "DC=_ldap._tcp.pdc", fqdn_hostname, 389)
# DC=gc record
add_host_record(samdb, forest_container_dn, "DC=gc", hostip, hostip6)
# DC=_ldap._tcp.<DOMAINGUID>.domains record
add_srv_record(samdb, forest_container_dn, "DC=_ldap._tcp.%s.domains" % domainguid,
fqdn_hostname, 389)
# DC=<NTDSGUID>
add_cname_record(samdb, forest_container_dn, "DC=%s" % ntdsguid, fqdn_hostname)
def is_valid_dns_backend(dns_backend):
return dns_backend in ("BIND9_FLATFILE", "BIND9_DLZ", "SAMBA_INTERNAL", "NONE")
def is_valid_os_level(os_level):
return DS_DOMAIN_FUNCTION_2000 <= os_level <= DS_DOMAIN_FUNCTION_2008_R2
def setup_ad_dns(samdb, names, logger, dns_backend, os_level, hostip=None,
hostip6=None,):
"""Provision DNS information (assuming GC role)
:param samdb: LDB object connected to sam.ldb file
:param names: Names shortcut
:param logger: Logger object
:param dns_backend: Type of DNS backend
:param os_level: Functional level (treated as os level)
:param hostip: IPv4 address
:param hostip6: IPv6 address
"""
if not is_valid_dns_backend(dns_backend):
raise Exception("Invalid dns backend: %r" % dns_backend)
if not is_valid_os_level(os_level):
raise Exception("Invalid os level: %r" % os_level)
if dns_backend is "NONE":
logger.info("No DNS backend set, not configuring DNS")
return
# If dns_backend is BIND9_FLATFILE
# Populate only CN=MicrosoftDNS,CN=System,<DOMAINDN>
#
# If dns_backend is SAMBA_INTERNAL or BIND9_DLZ
# Populate DNS partitions
# If os_level < 2003 (DS_DOMAIN_FUNCTION_2000)
# All dns records are in CN=MicrosoftDNS,CN=System,<DOMAINDN>
#
# If os_level >= 2003 (DS_DOMAIN_FUNCTION_2003, DS_DOMAIN_FUNCTION_2008,
# DS_DOMAIN_FUNCTION_2008_R2)
# Root server records are in CN=MicrosoftDNS,CN=System,<DOMAINDN>
# Domain records are in CN=MicrosoftDNS,CN=System,<DOMAINDN>
# Domain records are in CN=MicrosoftDNS,DC=DomainDnsZones,<DOMAINDN>
# Forest records are in CN=MicrosoftDNS,DC=ForestDnsZones,<DOMAINDN>
domaindn = names.domaindn
forestdn = samdb.get_root_basedn().get_linearized()
dnsdomain = names.dnsdomain.lower()
dnsforest = dnsdomain
hostname = names.netbiosname.lower()
site = names.sitename
domainguid = get_domainguid(samdb, domaindn)
ntdsguid = get_ntdsguid(samdb, domaindn)
# Add dns accounts (DnsAdmins, DnsUpdateProxy) in domain
logger.info("Adding DNS accounts")
add_dns_accounts(samdb, domaindn)
logger.info("Populating CN=MicrosoftDNS,CN=System,%s" % domaindn)
# Set up MicrosoftDNS container
add_dns_container(samdb, domaindn, "CN=System")
# Add root servers
add_rootservers(samdb, domaindn, "CN=System")
if os_level == DS_DOMAIN_FUNCTION_2000:
# Add domain record
add_domain_record(samdb, domaindn, "CN=System", dnsdomain)
# Add DNS records for a DC in domain
add_dc_domain_records(samdb, domaindn, "CN=System", site, dnsdomain,
hostname, hostip, hostip6)
elif dns_backend in ("SAMBA_INTERNAL", "BIND9_DLZ") and \
os_level >= DS_DOMAIN_FUNCTION_2003:
# Set up additional partitions (DomainDnsZones, ForstDnsZones)
logger.info("Creating DomainDnsZones and ForestDnsZones partitions")
setup_dns_partitions(samdb, domaindn, forestdn, names.configdn, names.serverdn)
##### Set up DC=DomainDnsZones,<DOMAINDN>
logger.info("Populating DomainDnsZones partition")
# Set up MicrosoftDNS container
add_dns_container(samdb, domaindn, "DC=DomainDnsZones")
# Add rootserver records
add_rootservers(samdb, domaindn, "DC=DomainDnsZones")
# Add domain record
add_domain_record(samdb, domaindn, "DC=DomainDnsZones", dnsdomain)
# Add DNS records for a DC in domain
add_dc_domain_records(samdb, domaindn, "DC=DomainDnsZones", site, dnsdomain,
hostname, hostip, hostip6)
##### Set up DC=ForestDnsZones,<DOMAINDN>
logger.info("Populating ForestDnsZones partition")
# Set up MicrosoftDNS container
add_dns_container(samdb, forestdn, "DC=ForestDnsZones")
# Add _msdcs record
add_msdcs_record(samdb, forestdn, "DC=ForestDnsZones", dnsforest)
# Add DNS records for a DC in forest
add_dc_msdcs_records(samdb, forestdn, "DC=ForestDnsZones", site, dnsforest,
hostname, hostip, hostip6, domainguid, ntdsguid)
|