2 # Copyright Andrew Tridgell 2010
3 # Copyright Andrew Bartlett 2010
5 # This program is free software; you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program. If not, see <http://www.gnu.org/licenses/>.
19 """Joining a domain."""
21 from samba.auth import system_session
22 from samba.samdb import SamDB
23 from samba import gensec, Ldb, drs_utils
24 import ldb, samba, sys, uuid
25 from samba.ndr import ndr_pack
26 from samba.dcerpc import security, drsuapi, misc, nbt, lsa, drsblobs
27 from samba.credentials import Credentials, DONT_USE_KERBEROS
28 from samba.provision import secretsdb_self_join, provision, provision_fill, FILL_DRS, FILL_SUBDOMAIN
29 from samba.schema import Schema
30 from samba.net import Net
36 # this makes debugging easier
37 talloc.enable_null_tracking()
39 class DCJoinException(Exception):
41 def __init__(self, msg):
42 super(DCJoinException, self).__init__("Can't join, error: %s" % msg)
45 class dc_join(object):
46 '''perform a DC join'''
48 def __init__(ctx, server=None, creds=None, lp=None, site=None,
49 netbios_name=None, targetdir=None, domain=None,
54 ctx.netbios_name = netbios_name
55 ctx.targetdir = targetdir
57 ctx.creds.set_gensec_features(creds.get_gensec_features() | gensec.FEATURE_SEAL)
58 ctx.net = Net(creds=ctx.creds, lp=ctx.lp)
60 if server is not None:
63 print("Finding a writeable DC for domain '%s'" % domain)
64 ctx.server = ctx.find_dc(domain)
65 print("Found DC %s" % ctx.server)
67 ctx.samdb = SamDB(url="ldap://%s" % ctx.server,
68 session_info=system_session(),
69 credentials=ctx.creds, lp=ctx.lp)
72 ctx.samdb.search(scope=ldb.SCOPE_ONELEVEL, attrs=["dn"])
73 except ldb.LdbError, (enum, estr):
74 raise DCJoinException(estr)
77 ctx.myname = netbios_name
78 ctx.samname = "%s$" % ctx.myname
79 ctx.base_dn = str(ctx.samdb.get_default_basedn())
80 ctx.root_dn = str(ctx.samdb.get_root_basedn())
81 ctx.schema_dn = str(ctx.samdb.get_schema_basedn())
82 ctx.config_dn = str(ctx.samdb.get_config_basedn())
83 ctx.domsid = ctx.samdb.get_domain_sid()
84 ctx.domain_name = ctx.get_domain_name()
85 ctx.forest_domain_name = ctx.get_forest_domain_name()
86 ctx.invocation_id = misc.GUID(str(uuid.uuid4()))
88 ctx.dc_ntds_dn = ctx.samdb.get_dsServiceName()
89 ctx.dc_dnsHostName = ctx.get_dnsHostName()
90 ctx.behavior_version = ctx.get_behavior_version()
92 if machinepass is not None:
93 ctx.acct_pass = machinepass
95 ctx.acct_pass = samba.generate_random_password(32, 40)
97 # work out the DNs of all the objects we will be adding
98 ctx.server_dn = "CN=%s,CN=Servers,CN=%s,CN=Sites,%s" % (ctx.myname, ctx.site, ctx.config_dn)
99 ctx.ntds_dn = "CN=NTDS Settings,%s" % ctx.server_dn
100 topology_base = "CN=Topology,CN=Domain System Volume,CN=DFSR-GlobalSettings,CN=System,%s" % ctx.base_dn
101 if ctx.dn_exists(topology_base):
102 ctx.topology_dn = "CN=%s,%s" % (ctx.myname, topology_base)
104 ctx.topology_dn = None
106 ctx.dnsdomain = ctx.samdb.domain_dns_name()
107 ctx.dnsforest = ctx.samdb.forest_dns_name()
108 ctx.dnshostname = "%s.%s" % (ctx.myname, ctx.dnsdomain)
110 ctx.realm = ctx.dnsdomain
112 ctx.acct_dn = "CN=%s,OU=Domain Controllers,%s" % (ctx.myname, ctx.base_dn)
116 ctx.SPNs = [ "HOST/%s" % ctx.myname,
117 "HOST/%s" % ctx.dnshostname,
118 "GC/%s/%s" % (ctx.dnshostname, ctx.dnsforest) ]
120 # these elements are optional
121 ctx.never_reveal_sid = None
122 ctx.reveal_sid = None
123 ctx.connection_dn = None
128 ctx.subdomain = False
130 def del_noerror(ctx, dn, recursive=False):
133 res = ctx.samdb.search(base=dn, scope=ldb.SCOPE_ONELEVEL, attrs=["dn"])
137 ctx.del_noerror(r.dn, recursive=True)
140 print "Deleted %s" % dn
144 def cleanup_old_join(ctx):
145 '''remove any DNs from a previous join'''
147 # find the krbtgt link
148 print("checking sAMAccountName")
152 res = ctx.samdb.search(base=ctx.samdb.get_default_basedn(),
153 expression='sAMAccountName=%s' % ldb.binary_encode(ctx.samname),
154 attrs=["msDS-krbTgtLink"])
156 ctx.del_noerror(res[0].dn, recursive=True)
157 if ctx.connection_dn is not None:
158 ctx.del_noerror(ctx.connection_dn)
159 if ctx.krbtgt_dn is not None:
160 ctx.del_noerror(ctx.krbtgt_dn)
161 ctx.del_noerror(ctx.ntds_dn)
162 ctx.del_noerror(ctx.server_dn, recursive=True)
164 ctx.del_noerror(ctx.topology_dn)
166 ctx.del_noerror(ctx.partition_dn)
168 ctx.new_krbtgt_dn = res[0]["msDS-Krbtgtlink"][0]
169 ctx.del_noerror(ctx.new_krbtgt_dn)
172 binding_options = "sign"
173 lsaconn = lsa.lsarpc("ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options),
176 objectAttr = lsa.ObjectAttribute()
177 objectAttr.sec_qos = lsa.QosInfo()
179 pol_handle = lsaconn.OpenPolicy2(''.decode('utf-8'),
180 objectAttr, security.SEC_FLAG_MAXIMUM_ALLOWED)
183 name.string = ctx.realm
184 info = lsaconn.QueryTrustedDomainInfoByName(pol_handle, name, lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO)
186 lsaconn.DeleteTrustedDomain(pol_handle, info.info_ex.sid)
189 name.string = ctx.forest_domain_name
190 info = lsaconn.QueryTrustedDomainInfoByName(pol_handle, name, lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO)
192 lsaconn.DeleteTrustedDomain(pol_handle, info.info_ex.sid)
197 def find_dc(ctx, domain):
198 '''find a writeable DC for the given domain'''
200 ctx.cldap_ret = ctx.net.finddc(domain=domain, flags=nbt.NBT_SERVER_LDAP | nbt.NBT_SERVER_DS | nbt.NBT_SERVER_WRITABLE)
202 raise Exception("Failed to find a writeable DC for domain '%s'" % domain)
203 if ctx.cldap_ret.client_site is not None and ctx.cldap_ret.client_site != "":
204 ctx.site = ctx.cldap_ret.client_site
205 return ctx.cldap_ret.pdc_dns_name
208 def get_behavior_version(ctx):
209 res = ctx.samdb.search(base=ctx.base_dn, scope=ldb.SCOPE_BASE, attrs=["msDS-Behavior-Version"])
210 if "msDS-Behavior-Version" in res[0]:
211 return int(res[0]["msDS-Behavior-Version"][0])
213 return samba.dsdb.DS_DOMAIN_FUNCTION_2000
215 def get_dnsHostName(ctx):
216 res = ctx.samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["dnsHostName"])
217 return res[0]["dnsHostName"][0]
219 def get_domain_name(ctx):
220 '''get netbios name of the domain from the partitions record'''
221 partitions_dn = ctx.samdb.get_partitions_dn()
222 res = ctx.samdb.search(base=partitions_dn, scope=ldb.SCOPE_ONELEVEL, attrs=["nETBIOSName"],
223 expression='ncName=%s' % ctx.samdb.get_default_basedn())
224 return res[0]["nETBIOSName"][0]
226 def get_forest_domain_name(ctx):
227 '''get netbios name of the domain from the partitions record'''
228 partitions_dn = ctx.samdb.get_partitions_dn()
229 res = ctx.samdb.search(base=partitions_dn, scope=ldb.SCOPE_ONELEVEL, attrs=["nETBIOSName"],
230 expression='ncName=%s' % ctx.samdb.get_root_basedn())
231 return res[0]["nETBIOSName"][0]
233 def get_parent_partition_dn(ctx):
234 '''get the parent domain partition DN from parent DNS name'''
235 res = ctx.samdb.search(base=ctx.config_dn, attrs=[],
236 expression='(&(objectclass=crossRef)(dnsRoot=%s)(systemFlags:%s:=%u))' %
237 (ctx.parent_dnsdomain, ldb.OID_COMPARATOR_AND, samba.dsdb.SYSTEM_FLAG_CR_NTDS_DOMAIN))
238 return str(res[0].dn)
240 def get_naming_master(ctx):
241 '''get the parent domain partition DN from parent DNS name'''
242 res = ctx.samdb.search(base='CN=Partitions,%s' % ctx.config_dn, attrs=['fSMORoleOwner'],
243 scope=ldb.SCOPE_BASE, controls=["extended_dn:1:1"])
244 if not 'fSMORoleOwner' in res[0]:
245 raise DCJoinException("Can't find naming master on partition DN %s" % ctx.partition_dn)
246 master_guid = str(misc.GUID(ldb.Dn(ctx.samdb, res[0]['fSMORoleOwner'][0]).get_extended_component('GUID')))
247 master_host = '%s._msdcs.%s' % (master_guid, ctx.dnsforest)
251 '''get the SID of the connected user. Only works with w2k8 and later,
252 so only used for RODC join'''
253 res = ctx.samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["tokenGroups"])
254 binsid = res[0]["tokenGroups"][0]
255 return ctx.samdb.schema_format_value("objectSID", binsid)
257 def dn_exists(ctx, dn):
258 '''check if a DN exists'''
260 res = ctx.samdb.search(base=dn, scope=ldb.SCOPE_BASE, attrs=[])
261 except ldb.LdbError, (enum, estr):
262 if enum == ldb.ERR_NO_SUCH_OBJECT:
267 def add_krbtgt_account(ctx):
268 '''RODCs need a special krbtgt account'''
269 print "Adding %s" % ctx.krbtgt_dn
271 "dn" : ctx.krbtgt_dn,
272 "objectclass" : "user",
273 "useraccountcontrol" : str(samba.dsdb.UF_NORMAL_ACCOUNT |
274 samba.dsdb.UF_ACCOUNTDISABLE),
275 "showinadvancedviewonly" : "TRUE",
276 "description" : "krbtgt for %s" % ctx.samname}
277 ctx.samdb.add(rec, ["rodc_join:1:1"])
279 # now we need to search for the samAccountName attribute on the krbtgt DN,
280 # as this will have been magically set to the krbtgt number
281 res = ctx.samdb.search(base=ctx.krbtgt_dn, scope=ldb.SCOPE_BASE, attrs=["samAccountName"])
282 ctx.krbtgt_name = res[0]["samAccountName"][0]
284 print "Got krbtgt_name=%s" % ctx.krbtgt_name
287 m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
288 m["msDS-krbTgtLink"] = ldb.MessageElement(ctx.krbtgt_dn,
289 ldb.FLAG_MOD_REPLACE, "msDS-krbTgtLink")
292 ctx.new_krbtgt_dn = "CN=%s,CN=Users,%s" % (ctx.krbtgt_name, ctx.base_dn)
293 print "Renaming %s to %s" % (ctx.krbtgt_dn, ctx.new_krbtgt_dn)
294 ctx.samdb.rename(ctx.krbtgt_dn, ctx.new_krbtgt_dn)
296 def drsuapi_connect(ctx):
297 '''make a DRSUAPI connection to the naming master'''
298 binding_options = "seal"
299 if int(ctx.lp.get("log level")) >= 4:
300 binding_options += ",print"
301 binding_string = "ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options)
302 ctx.drsuapi = drsuapi.drsuapi(binding_string, ctx.lp, ctx.creds)
303 (ctx.drsuapi_handle, ctx.bind_supported_extensions) = drs_utils.drs_DsBind(ctx.drsuapi)
305 def create_tmp_samdb(ctx):
306 '''create a temporary samdb object for schema queries'''
307 ctx.tmp_schema = Schema(security.dom_sid(ctx.domsid),
308 schemadn=ctx.schema_dn)
309 ctx.tmp_samdb = SamDB(session_info=system_session(), url=None, auto_connect=False,
310 credentials=ctx.creds, lp=ctx.lp, global_schema=False,
312 ctx.tmp_samdb.set_schema(ctx.tmp_schema)
314 def build_DsReplicaAttribute(ctx, attrname, attrvalue):
315 '''build a DsReplicaAttributeCtr object'''
316 r = drsuapi.DsReplicaAttribute()
317 r.attid = ctx.tmp_samdb.get_attid_from_lDAPDisplayName(attrname)
321 def DsAddEntry(ctx, recs):
322 '''add a record via the DRSUAPI DsAddEntry call'''
323 if ctx.drsuapi is None:
324 ctx.drsuapi_connect()
325 if ctx.tmp_samdb is None:
326 ctx.create_tmp_samdb()
330 id = drsuapi.DsReplicaObjectIdentifier()
337 if not isinstance(rec[a], list):
341 rattr = ctx.tmp_samdb.dsdb_DsReplicaAttribute(ctx.tmp_samdb, a, v)
344 attribute_ctr = drsuapi.DsReplicaAttributeCtr()
345 attribute_ctr.num_attributes = len(attrs)
346 attribute_ctr.attributes = attrs
348 object = drsuapi.DsReplicaObject()
349 object.identifier = id
350 object.attribute_ctr = attribute_ctr
352 list_object = drsuapi.DsReplicaObjectListItem()
353 list_object.object = object
354 objects.append(list_object)
356 req2 = drsuapi.DsAddEntryRequest2()
357 req2.first_object = objects[0]
358 prev = req2.first_object
359 for o in objects[1:]:
363 (level, ctr) = ctx.drsuapi.DsAddEntry(ctx.drsuapi_handle, 2, req2)
365 if ctr.dir_err != drsuapi.DRSUAPI_DIRERR_OK:
366 print("DsAddEntry failed with dir_err %u" % ctr.dir_err)
367 raise RuntimeError("DsAddEntry failed")
368 if ctr.extended_err != (0, 'WERR_OK'):
369 print("DsAddEntry failed with status %s info %s" % (ctr.extended_err))
370 raise RuntimeError("DsAddEntry failed")
373 raise RuntimeError("expected err_ver 1, got %u" % ctr.err_ver)
374 if ctr.err_data.status != (0, 'WERR_OK'):
375 print("DsAddEntry failed with status %s info %s" % (ctr.err_data.status,
376 ctr.err_data.info.extended_err))
377 raise RuntimeError("DsAddEntry failed")
378 if ctr.err_data.dir_err != drsuapi.DRSUAPI_DIRERR_OK:
379 print("DsAddEntry failed with dir_err %u" % ctr.err_data.dir_err)
380 raise RuntimeError("DsAddEntry failed")
384 def join_add_ntdsdsa(ctx):
385 '''add the ntdsdsa object'''
386 # FIXME: the partition (NC) assignment has to be made dynamic
387 print "Adding %s" % ctx.ntds_dn
390 "objectclass" : "nTDSDSA",
391 "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE),
392 "dMDLocation" : ctx.schema_dn}
394 nc_list = [ ctx.base_dn, ctx.config_dn, ctx.schema_dn ]
396 if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
397 rec["msDS-Behavior-Version"] = str(samba.dsdb.DS_DOMAIN_FUNCTION_2008_R2)
399 if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
400 rec["msDS-HasDomainNCs"] = ctx.base_dn
403 rec["objectCategory"] = "CN=NTDS-DSA-RO,%s" % ctx.schema_dn
404 rec["msDS-HasFullReplicaNCs"] = nc_list
405 rec["options"] = "37"
406 ctx.samdb.add(rec, ["rodc_join:1:1"])
408 rec["objectCategory"] = "CN=NTDS-DSA,%s" % ctx.schema_dn
409 rec["HasMasterNCs"] = nc_list
410 if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
411 rec["msDS-HasMasterNCs"] = nc_list
413 rec["invocationId"] = ndr_pack(ctx.invocation_id)
414 ctx.DsAddEntry([rec])
416 # find the GUID of our NTDS DN
417 res = ctx.samdb.search(base=ctx.ntds_dn, scope=ldb.SCOPE_BASE, attrs=["objectGUID"])
418 ctx.ntds_guid = misc.GUID(ctx.samdb.schema_format_value("objectGUID", res[0]["objectGUID"][0]))
420 def join_add_objects(ctx):
421 '''add the various objects needed for the join'''
423 print "Adding %s" % ctx.acct_dn
426 "objectClass": "computer",
427 "displayname": ctx.samname,
428 "samaccountname" : ctx.samname,
429 "userAccountControl" : str(ctx.userAccountControl | samba.dsdb.UF_ACCOUNTDISABLE),
430 "dnshostname" : ctx.dnshostname}
431 if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2008:
432 rec['msDS-SupportedEncryptionTypes'] = str(samba.dsdb.ENC_ALL_TYPES)
434 rec["managedby"] = ctx.managedby
435 if ctx.never_reveal_sid:
436 rec["msDS-NeverRevealGroup"] = ctx.never_reveal_sid
438 rec["msDS-RevealOnDemandGroup"] = ctx.reveal_sid
442 ctx.add_krbtgt_account()
444 print "Adding %s" % ctx.server_dn
447 "objectclass" : "server",
448 # windows uses 50000000 decimal for systemFlags. A windows hex/decimal mixup bug?
449 "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_CONFIG_ALLOW_RENAME |
450 samba.dsdb.SYSTEM_FLAG_CONFIG_ALLOW_LIMITED_MOVE |
451 samba.dsdb.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE),
452 # windows seems to add the dnsHostName later
453 "dnsHostName" : ctx.dnshostname}
456 rec["serverReference"] = ctx.acct_dn
461 # the rest is done after replication
465 ctx.join_add_ntdsdsa()
467 if ctx.connection_dn is not None:
468 print "Adding %s" % ctx.connection_dn
470 "dn" : ctx.connection_dn,
471 "objectclass" : "nTDSConnection",
472 "enabledconnection" : "TRUE",
474 "fromServer" : ctx.dc_ntds_dn}
478 print "Adding SPNs to %s" % ctx.acct_dn
480 m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
481 for i in range(len(ctx.SPNs)):
482 ctx.SPNs[i] = ctx.SPNs[i].replace("$NTDSGUID", str(ctx.ntds_guid))
483 m["servicePrincipalName"] = ldb.MessageElement(ctx.SPNs,
485 "servicePrincipalName")
488 # The account password set operation should normally be done over
489 # LDAP. Windows 2000 DCs however allow this only with SSL
490 # connections which are hard to set up and otherwise refuse with
491 # ERR_UNWILLING_TO_PERFORM. In this case we fall back to libnet
493 print "Setting account password for %s" % ctx.samname
495 ctx.samdb.setpassword("(&(objectClass=user)(sAMAccountName=%s))"
496 % ldb.binary_encode(ctx.samname),
498 force_change_at_next_login=False,
499 username=ctx.samname)
500 except ldb.LdbError, (num, _):
501 if num != ldb.ERR_UNWILLING_TO_PERFORM:
503 ctx.net.set_password(account_name=ctx.samname,
504 domain_name=ctx.domain_name,
505 newpassword=ctx.acct_pass)
507 res = ctx.samdb.search(base=ctx.acct_dn, scope=ldb.SCOPE_BASE,
508 attrs=["msDS-KeyVersionNumber"])
509 if "msDS-KeyVersionNumber" in res[0]:
510 ctx.key_version_number = int(res[0]["msDS-KeyVersionNumber"][0])
512 ctx.key_version_number = None
514 print("Enabling account")
516 m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
517 m["userAccountControl"] = ldb.MessageElement(str(ctx.userAccountControl),
518 ldb.FLAG_MOD_REPLACE,
519 "userAccountControl")
522 def join_add_objects2(ctx):
523 '''add the various objects needed for the join, for subdomains post replication'''
525 print "Adding %s" % ctx.partition_dn
526 # NOTE: windows sends a ntSecurityDescriptor here, we
529 "dn" : ctx.partition_dn,
530 "objectclass" : "crossRef",
531 "objectCategory" : "CN=Cross-Ref,%s" % ctx.schema_dn,
532 "nCName" : ctx.base_dn,
533 "nETBIOSName" : ctx.domain_name,
534 "dnsRoot": ctx.dnsdomain,
535 "trustParent" : ctx.parent_partition_dn,
536 "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_CR_NTDS_NC|samba.dsdb.SYSTEM_FLAG_CR_NTDS_DOMAIN)}
537 if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
538 rec["msDS-Behavior-Version"] = str(ctx.behavior_version)
542 "objectclass" : "nTDSDSA",
543 "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE),
544 "dMDLocation" : ctx.schema_dn}
546 nc_list = [ ctx.base_dn, ctx.config_dn, ctx.schema_dn ]
548 if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
549 rec2["msDS-Behavior-Version"] = str(ctx.behavior_version)
551 if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
552 rec2["msDS-HasDomainNCs"] = ctx.base_dn
554 rec2["objectCategory"] = "CN=NTDS-DSA,%s" % ctx.schema_dn
555 rec2["HasMasterNCs"] = nc_list
556 if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
557 rec2["msDS-HasMasterNCs"] = nc_list
558 rec2["options"] = "1"
559 rec2["invocationId"] = ndr_pack(ctx.invocation_id)
561 objects = ctx.DsAddEntry([rec, rec2])
562 if len(objects) != 2:
563 raise DCJoinException("Expected 2 objects from DsAddEntry")
565 ctx.ntds_guid = objects[1].guid
567 print("Replicating partition DN")
568 ctx.repl.replicate(ctx.partition_dn,
569 misc.GUID("00000000-0000-0000-0000-000000000000"),
571 exop=drsuapi.DRSUAPI_EXOP_REPL_OBJ,
572 replica_flags=drsuapi.DRSUAPI_DRS_WRIT_REP)
574 print("Replicating NTDS DN")
575 ctx.repl.replicate(ctx.ntds_dn,
576 misc.GUID("00000000-0000-0000-0000-000000000000"),
578 exop=drsuapi.DRSUAPI_EXOP_REPL_OBJ,
579 replica_flags=drsuapi.DRSUAPI_DRS_WRIT_REP)
581 def join_provision(ctx):
582 '''provision the local SAM'''
584 print "Calling bare provision"
586 logger = logging.getLogger("provision")
587 logger.addHandler(logging.StreamHandler(sys.stdout))
588 smbconf = ctx.lp.configfile
590 presult = provision(logger, system_session(), None, smbconf=smbconf,
591 targetdir=ctx.targetdir, samdb_fill=FILL_DRS, realm=ctx.realm,
592 rootdn=ctx.root_dn, domaindn=ctx.base_dn,
593 schemadn=ctx.schema_dn, configdn=ctx.config_dn,
594 serverdn=ctx.server_dn, domain=ctx.domain_name,
595 hostname=ctx.myname, domainsid=ctx.domsid,
596 machinepass=ctx.acct_pass, serverrole="domain controller",
597 sitename=ctx.site, lp=ctx.lp, ntdsguid=ctx.ntds_guid,
599 print "Provision OK for domain DN %s" % presult.domaindn
600 ctx.local_samdb = presult.samdb
602 ctx.paths = presult.paths
603 ctx.names = presult.names
605 def join_provision_own_domain(ctx):
606 '''provision the local SAM'''
608 # we now operate exclusively on the local database, which
609 # we need to reopen in order to get the newly created schema
610 print("Reconnecting to local samdb")
611 ctx.samdb = SamDB(url=ctx.local_samdb.url,
612 session_info=system_session(),
613 lp=ctx.local_samdb.lp,
615 ctx.samdb.set_invocation_id(str(ctx.invocation_id))
616 ctx.local_samdb = ctx.samdb
618 print("Finding domain GUID from ncName")
619 res = ctx.local_samdb.search(base=ctx.partition_dn, scope=ldb.SCOPE_BASE, attrs=['ncName'],
620 controls=["extended_dn:1:1"])
621 domguid = str(misc.GUID(ldb.Dn(ctx.samdb, res[0]['ncName'][0]).get_extended_component('GUID')))
622 print("Got domain GUID %s" % domguid)
624 print("Calling own domain provision")
626 logger = logging.getLogger("provision")
627 logger.addHandler(logging.StreamHandler(sys.stdout))
629 secrets_ldb = Ldb(ctx.paths.secrets, session_info=system_session(), lp=ctx.lp)
631 presult = provision_fill(ctx.local_samdb, secrets_ldb,
632 logger, ctx.names, ctx.paths, domainsid=security.dom_sid(ctx.domsid),
634 targetdir=ctx.targetdir, samdb_fill=FILL_SUBDOMAIN,
635 machinepass=ctx.acct_pass, serverrole="domain controller",
636 lp=ctx.lp, hostip=ctx.names.hostip, hostip6=ctx.names.hostip6,
637 dns_backend="BIND9_DLZ")
638 print("Provision OK for domain %s" % ctx.names.dnsdomain)
640 def join_replicate(ctx):
641 '''replicate the SAM'''
643 print "Starting replication"
644 ctx.local_samdb.transaction_start()
646 source_dsa_invocation_id = misc.GUID(ctx.samdb.get_invocation_id())
647 if ctx.ntds_guid is None:
648 print("Using DS_BIND_GUID_W2K3")
649 destination_dsa_guid = misc.GUID(drsuapi.DRSUAPI_DS_BIND_GUID_W2K3)
651 destination_dsa_guid = ctx.ntds_guid
654 repl_creds = Credentials()
655 repl_creds.guess(ctx.lp)
656 repl_creds.set_kerberos_state(DONT_USE_KERBEROS)
657 repl_creds.set_username(ctx.samname)
658 repl_creds.set_password(ctx.acct_pass)
660 repl_creds = ctx.creds
662 binding_options = "seal"
663 if int(ctx.lp.get("log level")) >= 5:
664 binding_options += ",print"
665 repl = drs_utils.drs_Replicate(
666 "ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options),
667 ctx.lp, repl_creds, ctx.local_samdb)
669 repl.replicate(ctx.schema_dn, source_dsa_invocation_id,
670 destination_dsa_guid, schema=True, rodc=ctx.RODC,
671 replica_flags=ctx.replica_flags)
672 repl.replicate(ctx.config_dn, source_dsa_invocation_id,
673 destination_dsa_guid, rodc=ctx.RODC,
674 replica_flags=ctx.replica_flags)
675 if not ctx.subdomain:
676 # Replicate first the critical object for the basedn
677 if not ctx.domain_replica_flags & drsuapi.DRSUAPI_DRS_CRITICAL_ONLY:
678 print "Replicating critical objects from the base DN of the domain"
679 ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY | drsuapi.DRSUAPI_DRS_GET_ANC
680 repl.replicate(ctx.base_dn, source_dsa_invocation_id,
681 destination_dsa_guid, rodc=ctx.RODC,
682 replica_flags=ctx.domain_replica_flags)
683 ctx.domain_replica_flags ^= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY | drsuapi.DRSUAPI_DRS_GET_ANC
685 ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_GET_ANC
686 repl.replicate(ctx.base_dn, source_dsa_invocation_id,
687 destination_dsa_guid, rodc=ctx.RODC,
688 replica_flags=ctx.domain_replica_flags)
690 repl.replicate(ctx.acct_dn, source_dsa_invocation_id,
691 destination_dsa_guid,
692 exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET, rodc=True)
693 repl.replicate(ctx.new_krbtgt_dn, source_dsa_invocation_id,
694 destination_dsa_guid,
695 exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET, rodc=True)
697 ctx.source_dsa_invocation_id = source_dsa_invocation_id
698 ctx.destination_dsa_guid = destination_dsa_guid
700 print "Committing SAM database"
702 ctx.local_samdb.transaction_cancel()
705 ctx.local_samdb.transaction_commit()
707 def send_DsReplicaUpdateRefs(ctx, dn):
708 r = drsuapi.DsReplicaUpdateRefsRequest1()
709 r.naming_context = drsuapi.DsReplicaObjectIdentifier()
710 r.naming_context.dn = str(dn)
711 r.naming_context.guid = misc.GUID("00000000-0000-0000-0000-000000000000")
712 r.naming_context.sid = security.dom_sid("S-0-0")
713 r.dest_dsa_guid = ctx.ntds_guid
714 r.dest_dsa_dns_name = "%s._msdcs.%s" % (str(ctx.ntds_guid), ctx.dnsforest)
715 r.options = drsuapi.DRSUAPI_DRS_ADD_REF | drsuapi.DRSUAPI_DRS_DEL_REF
717 r.options |= drsuapi.DRSUAPI_DRS_WRIT_REP
720 ctx.drsuapi.DsReplicaUpdateRefs(ctx.drsuapi_handle, 1, r)
722 def join_finalise(ctx):
723 '''finalise the join, mark us synchronised and setup secrets db'''
725 print "Sending DsReplicateUpdateRefs for all the partitions"
726 ctx.send_DsReplicaUpdateRefs(ctx.schema_dn)
727 ctx.send_DsReplicaUpdateRefs(ctx.config_dn)
728 ctx.send_DsReplicaUpdateRefs(ctx.base_dn)
730 print "Setting isSynchronized and dsServiceName"
732 m.dn = ldb.Dn(ctx.local_samdb, '@ROOTDSE')
733 m["isSynchronized"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_REPLACE, "isSynchronized")
734 m["dsServiceName"] = ldb.MessageElement("<GUID=%s>" % str(ctx.ntds_guid),
735 ldb.FLAG_MOD_REPLACE, "dsServiceName")
736 ctx.local_samdb.modify(m)
741 secrets_ldb = Ldb(ctx.paths.secrets, session_info=system_session(), lp=ctx.lp)
743 print "Setting up secrets database"
744 secretsdb_self_join(secrets_ldb, domain=ctx.domain_name,
746 dnsdomain=ctx.dnsdomain,
747 netbiosname=ctx.myname,
748 domainsid=security.dom_sid(ctx.domsid),
749 machinepass=ctx.acct_pass,
750 secure_channel_type=ctx.secure_channel_type,
751 key_version_number=ctx.key_version_number)
753 def join_setup_trusts(ctx):
754 '''provision the local SAM'''
756 def arcfour_encrypt(key, data):
757 from Crypto.Cipher import ARC4
759 return c.encrypt(data)
761 def string_to_array(string):
762 blob = [0] * len(string)
764 for i in range(len(string)):
765 blob[i] = ord(string[i])
769 print "Setup domain trusts with server %s" % ctx.server
770 binding_options = "" # why doesn't signing work here? w2k8r2 claims no session key
771 lsaconn = lsa.lsarpc("ncacn_np:%s[%s]" % (ctx.server, binding_options),
774 objectAttr = lsa.ObjectAttribute()
775 objectAttr.sec_qos = lsa.QosInfo()
777 pol_handle = lsaconn.OpenPolicy2(''.decode('utf-8'),
778 objectAttr, security.SEC_FLAG_MAXIMUM_ALLOWED)
780 info = lsa.TrustDomainInfoInfoEx()
781 info.domain_name.string = ctx.dnsdomain
782 info.netbios_name.string = ctx.domain_name
783 info.sid = security.dom_sid(ctx.domsid)
784 info.trust_direction = lsa.LSA_TRUST_DIRECTION_INBOUND | lsa.LSA_TRUST_DIRECTION_OUTBOUND
785 info.trust_type = lsa.LSA_TRUST_TYPE_UPLEVEL
786 info.trust_attributes = lsa.LSA_TRUST_ATTRIBUTE_WITHIN_FOREST
789 oldname = lsa.String()
790 oldname.string = ctx.dnsdomain
791 oldinfo = lsaconn.QueryTrustedDomainInfoByName(pol_handle, oldname,
792 lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO)
793 print("Removing old trust record for %s (SID %s)" % (ctx.dnsdomain, oldinfo.info_ex.sid))
794 lsaconn.DeleteTrustedDomain(pol_handle, oldinfo.info_ex.sid)
798 password_blob = string_to_array(ctx.trustdom_pass.encode('utf-16-le'))
800 clear_value = drsblobs.AuthInfoClear()
801 clear_value.size = len(password_blob)
802 clear_value.password = password_blob
804 clear_authentication_information = drsblobs.AuthenticationInformation()
805 clear_authentication_information.LastUpdateTime = samba.unix2nttime(int(time.time()))
806 clear_authentication_information.AuthType = lsa.TRUST_AUTH_TYPE_CLEAR
807 clear_authentication_information.AuthInfo = clear_value
809 authentication_information_array = drsblobs.AuthenticationInformationArray()
810 authentication_information_array.count = 1
811 authentication_information_array.array = [clear_authentication_information]
813 outgoing = drsblobs.trustAuthInOutBlob()
815 outgoing.current = authentication_information_array
817 trustpass = drsblobs.trustDomainPasswords()
818 confounder = [3] * 512
821 confounder[i] = random.randint(0, 255)
823 trustpass.confounder = confounder
825 trustpass.outgoing = outgoing
826 trustpass.incoming = outgoing
828 trustpass_blob = ndr_pack(trustpass)
830 encrypted_trustpass = arcfour_encrypt(lsaconn.session_key, trustpass_blob)
832 auth_blob = lsa.DATA_BUF2()
833 auth_blob.size = len(encrypted_trustpass)
834 auth_blob.data = string_to_array(encrypted_trustpass)
836 auth_info = lsa.TrustDomainInfoAuthInfoInternal()
837 auth_info.auth_blob = auth_blob
839 trustdom_handle = lsaconn.CreateTrustedDomainEx2(pol_handle,
842 security.SEC_STD_DELETE)
845 "dn" : "cn=%s,cn=system,%s" % (ctx.dnsforest, ctx.base_dn),
846 "objectclass" : "trustedDomain",
847 "trustType" : str(info.trust_type),
848 "trustAttributes" : str(info.trust_attributes),
849 "trustDirection" : str(info.trust_direction),
850 "flatname" : ctx.forest_domain_name,
851 "trustPartner" : ctx.dnsforest,
852 "trustAuthIncoming" : ndr_pack(outgoing),
853 "trustAuthOutgoing" : ndr_pack(outgoing)
855 ctx.local_samdb.add(rec)
858 "dn" : "cn=%s$,cn=users,%s" % (ctx.forest_domain_name, ctx.base_dn),
859 "objectclass" : "user",
860 "userAccountControl" : str(samba.dsdb.UF_INTERDOMAIN_TRUST_ACCOUNT),
861 "clearTextPassword" : ctx.trustdom_pass.encode('utf-16-le')
863 ctx.local_samdb.add(rec)
867 ctx.cleanup_old_join()
869 ctx.join_add_objects()
873 ctx.join_add_objects2()
874 ctx.join_provision_own_domain()
875 ctx.join_setup_trusts()
878 print "Join failed - cleaning up"
879 ctx.cleanup_old_join()
883 def join_RODC(server=None, creds=None, lp=None, site=None, netbios_name=None,
884 targetdir=None, domain=None, domain_critical_only=False,
888 ctx = dc_join(server, creds, lp, site, netbios_name, targetdir, domain,
891 lp.set("workgroup", ctx.domain_name)
892 print("workgroup is %s" % ctx.domain_name)
894 lp.set("realm", ctx.realm)
895 print("realm is %s" % ctx.realm)
897 ctx.krbtgt_dn = "CN=krbtgt_%s,CN=Users,%s" % (ctx.myname, ctx.base_dn)
899 # setup some defaults for accounts that should be replicated to this RODC
900 ctx.never_reveal_sid = [ "<SID=%s-%s>" % (ctx.domsid, security.DOMAIN_RID_RODC_DENY),
901 "<SID=%s>" % security.SID_BUILTIN_ADMINISTRATORS,
902 "<SID=%s>" % security.SID_BUILTIN_SERVER_OPERATORS,
903 "<SID=%s>" % security.SID_BUILTIN_BACKUP_OPERATORS,
904 "<SID=%s>" % security.SID_BUILTIN_ACCOUNT_OPERATORS ]
905 ctx.reveal_sid = "<SID=%s-%s>" % (ctx.domsid, security.DOMAIN_RID_RODC_ALLOW)
907 mysid = ctx.get_mysid()
908 admin_dn = "<SID=%s>" % mysid
909 ctx.managedby = admin_dn
911 ctx.userAccountControl = (samba.dsdb.UF_WORKSTATION_TRUST_ACCOUNT |
912 samba.dsdb.UF_TRUSTED_TO_AUTHENTICATE_FOR_DELEGATION |
913 samba.dsdb.UF_PARTIAL_SECRETS_ACCOUNT)
915 ctx.SPNs.extend([ "RestrictedKrbHost/%s" % ctx.myname,
916 "RestrictedKrbHost/%s" % ctx.dnshostname ])
918 ctx.connection_dn = "CN=RODC Connection (FRS),%s" % ctx.ntds_dn
919 ctx.secure_channel_type = misc.SEC_CHAN_RODC
921 ctx.replica_flags = (drsuapi.DRSUAPI_DRS_INIT_SYNC |
922 drsuapi.DRSUAPI_DRS_PER_SYNC |
923 drsuapi.DRSUAPI_DRS_GET_ANC |
924 drsuapi.DRSUAPI_DRS_NEVER_SYNCED |
925 drsuapi.DRSUAPI_DRS_SPECIAL_SECRET_PROCESSING |
926 drsuapi.DRSUAPI_DRS_GET_ALL_GROUP_MEMBERSHIP)
927 ctx.domain_replica_flags = ctx.replica_flags
928 if domain_critical_only:
929 ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY
934 print "Joined domain %s (SID %s) as an RODC" % (ctx.domain_name, ctx.domsid)
937 def join_DC(server=None, creds=None, lp=None, site=None, netbios_name=None,
938 targetdir=None, domain=None, domain_critical_only=False,
941 ctx = dc_join(server, creds, lp, site, netbios_name, targetdir, domain,
944 lp.set("workgroup", ctx.domain_name)
945 print("workgroup is %s" % ctx.domain_name)
947 lp.set("realm", ctx.realm)
948 print("realm is %s" % ctx.realm)
950 ctx.userAccountControl = samba.dsdb.UF_SERVER_TRUST_ACCOUNT | samba.dsdb.UF_TRUSTED_FOR_DELEGATION
952 ctx.SPNs.append('E3514235-4B06-11D1-AB04-00C04FC2DCD2/$NTDSGUID/%s' % ctx.dnsdomain)
953 ctx.secure_channel_type = misc.SEC_CHAN_BDC
955 ctx.replica_flags = (drsuapi.DRSUAPI_DRS_WRIT_REP |
956 drsuapi.DRSUAPI_DRS_INIT_SYNC |
957 drsuapi.DRSUAPI_DRS_PER_SYNC |
958 drsuapi.DRSUAPI_DRS_FULL_SYNC_IN_PROGRESS |
959 drsuapi.DRSUAPI_DRS_NEVER_SYNCED)
960 ctx.domain_replica_flags = ctx.replica_flags
961 if domain_critical_only:
962 ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY
965 print "Joined domain %s (SID %s) as a DC" % (ctx.domain_name, ctx.domsid)
967 def join_subdomain(server=None, creds=None, lp=None, site=None, netbios_name=None,
968 targetdir=None, parent_domain=None, dnsdomain=None, netbios_domain=None,
971 ctx = dc_join(server, creds, lp, site, netbios_name, targetdir, parent_domain,
974 ctx.parent_domain_name = ctx.domain_name
975 ctx.domain_name = netbios_domain
976 ctx.realm = dnsdomain
977 ctx.parent_dnsdomain = ctx.dnsdomain
978 ctx.parent_partition_dn = ctx.get_parent_partition_dn()
979 ctx.dnsdomain = dnsdomain
980 ctx.partition_dn = "CN=%s,CN=Partitions,%s" % (ctx.domain_name, ctx.config_dn)
981 ctx.naming_master = ctx.get_naming_master()
982 if ctx.naming_master != ctx.server:
983 print("Reconnecting to naming master %s" % ctx.naming_master)
984 ctx.server = ctx.naming_master
985 ctx.samdb = SamDB(url="ldap://%s" % ctx.server,
986 session_info=system_session(),
987 credentials=ctx.creds, lp=ctx.lp)
989 ctx.base_dn = samba.dn_from_dns_name(dnsdomain)
990 ctx.domsid = str(security.random_sid())
992 ctx.dnshostname = "%s.%s" % (ctx.myname, ctx.dnsdomain)
993 ctx.trustdom_pass = samba.generate_random_password(128, 128)
995 ctx.userAccountControl = samba.dsdb.UF_SERVER_TRUST_ACCOUNT | samba.dsdb.UF_TRUSTED_FOR_DELEGATION
997 ctx.SPNs.append('E3514235-4B06-11D1-AB04-00C04FC2DCD2/$NTDSGUID/%s' % ctx.dnsdomain)
998 ctx.secure_channel_type = misc.SEC_CHAN_BDC
1000 ctx.replica_flags = (drsuapi.DRSUAPI_DRS_WRIT_REP |
1001 drsuapi.DRSUAPI_DRS_INIT_SYNC |
1002 drsuapi.DRSUAPI_DRS_PER_SYNC |
1003 drsuapi.DRSUAPI_DRS_FULL_SYNC_IN_PROGRESS |
1004 drsuapi.DRSUAPI_DRS_NEVER_SYNCED)
1005 ctx.domain_replica_flags = ctx.replica_flags
1008 print "Created domain %s (SID %s) as a DC" % (ctx.domain_name, ctx.domsid)