4 # Copyright Andrew Tridgell 2010
5 # Copyright Andrew Bartlett 2010
7 # This program is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 3 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
21 """Joining a domain."""
23 from samba.auth import system_session
24 from samba.samdb import SamDB
25 from samba import gensec, Ldb, drs_utils
26 import ldb, samba, sys, os, uuid
27 from samba.ndr import ndr_pack
28 from samba.dcerpc import security, drsuapi, misc, nbt, lsa, drsblobs
29 from samba.credentials import Credentials, DONT_USE_KERBEROS
30 from samba.provision import secretsdb_self_join, provision, provision_fill, FILL_DRS, FILL_SUBDOMAIN
31 from samba.schema import Schema
32 from samba.net import Net
33 from samba.dcerpc import security
39 # this makes debugging easier
40 talloc.enable_null_tracking()
42 class DCJoinException(Exception):
44 def __init__(self, msg):
45 super(DCJoinException, self).__init__("Can't join, error: %s" % msg)
48 class dc_join(object):
49 '''perform a DC join'''
51 def __init__(ctx, server=None, creds=None, lp=None, site=None,
52 netbios_name=None, targetdir=None, domain=None):
56 ctx.netbios_name = netbios_name
57 ctx.targetdir = targetdir
59 ctx.creds.set_gensec_features(creds.get_gensec_features() | gensec.FEATURE_SEAL)
60 ctx.net = Net(creds=ctx.creds, lp=ctx.lp)
62 if server is not None:
65 print("Finding a writeable DC for domain '%s'" % domain)
66 ctx.server = ctx.find_dc(domain)
67 print("Found DC %s" % ctx.server)
69 ctx.samdb = SamDB(url="ldap://%s" % ctx.server,
70 session_info=system_session(),
71 credentials=ctx.creds, lp=ctx.lp)
74 ctx.samdb.search(scope=ldb.SCOPE_ONELEVEL, attrs=["dn"])
75 except ldb.LdbError, (enum, estr):
76 raise DCJoinException(estr)
79 ctx.myname = netbios_name
80 ctx.samname = "%s$" % ctx.myname
81 ctx.base_dn = str(ctx.samdb.get_default_basedn())
82 ctx.root_dn = str(ctx.samdb.get_root_basedn())
83 ctx.schema_dn = str(ctx.samdb.get_schema_basedn())
84 ctx.config_dn = str(ctx.samdb.get_config_basedn())
85 ctx.domsid = ctx.samdb.get_domain_sid()
86 ctx.domain_name = ctx.get_domain_name()
87 ctx.invocation_id = misc.GUID(str(uuid.uuid4()))
89 ctx.dc_ntds_dn = ctx.get_dsServiceName()
90 ctx.dc_dnsHostName = ctx.get_dnsHostName()
91 ctx.behavior_version = ctx.get_behavior_version()
93 ctx.acct_pass = samba.generate_random_password(32, 40)
95 # work out the DNs of all the objects we will be adding
96 ctx.server_dn = "CN=%s,CN=Servers,CN=%s,CN=Sites,%s" % (ctx.myname, ctx.site, ctx.config_dn)
97 ctx.ntds_dn = "CN=NTDS Settings,%s" % ctx.server_dn
98 topology_base = "CN=Topology,CN=Domain System Volume,CN=DFSR-GlobalSettings,CN=System,%s" % ctx.base_dn
99 if ctx.dn_exists(topology_base):
100 ctx.topology_dn = "CN=%s,%s" % (ctx.myname, topology_base)
102 ctx.topology_dn = None
104 ctx.dnsdomain = ctx.samdb.domain_dns_name()
105 ctx.dnsforest = ctx.samdb.forest_dns_name()
106 ctx.dnshostname = "%s.%s" % (ctx.myname, ctx.dnsdomain)
108 ctx.realm = ctx.dnsdomain
110 ctx.acct_dn = "CN=%s,OU=Domain Controllers,%s" % (ctx.myname, ctx.base_dn)
114 ctx.SPNs = [ "HOST/%s" % ctx.myname,
115 "HOST/%s" % ctx.dnshostname,
116 "GC/%s/%s" % (ctx.dnshostname, ctx.dnsforest) ]
118 # these elements are optional
119 ctx.never_reveal_sid = None
120 ctx.reveal_sid = None
121 ctx.connection_dn = None
126 ctx.subdomain = False
129 def del_noerror(ctx, dn, recursive=False):
132 res = ctx.samdb.search(base=dn, scope=ldb.SCOPE_ONELEVEL, attrs=["dn"])
136 ctx.del_noerror(r.dn, recursive=True)
139 print "Deleted %s" % dn
143 def cleanup_old_join(ctx):
144 '''remove any DNs from a previous join'''
146 # find the krbtgt link
147 print("checking samaccountname")
151 res = ctx.samdb.search(base=ctx.samdb.get_default_basedn(),
152 expression='samAccountName=%s' % ldb.binary_encode(ctx.samname),
153 attrs=["msDS-krbTgtLink"])
155 ctx.del_noerror(res[0].dn, recursive=True)
156 if ctx.connection_dn is not None:
157 ctx.del_noerror(ctx.connection_dn)
158 if ctx.krbtgt_dn is not None:
159 ctx.del_noerror(ctx.krbtgt_dn)
160 ctx.del_noerror(ctx.ntds_dn)
161 ctx.del_noerror(ctx.server_dn, recursive=True)
163 ctx.del_noerror(ctx.topology_dn)
165 ctx.del_noerror(ctx.partition_dn)
167 ctx.new_krbtgt_dn = res[0]["msDS-Krbtgtlink"][0]
168 ctx.del_noerror(ctx.new_krbtgt_dn)
171 binding_options = "sign"
172 lsaconn = lsa.lsarpc("ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options),
175 objectAttr = lsa.ObjectAttribute()
176 objectAttr.sec_qos = lsa.QosInfo()
178 pol_handle = lsaconn.OpenPolicy2(''.decode('utf-8'),
179 objectAttr, security.SEC_FLAG_MAXIMUM_ALLOWED)
182 name.string = ctx.realm
183 info = lsaconn.QueryTrustedDomainInfoByName(pol_handle, name, lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO)
185 lsaconn.DeleteTrustedDomain(pol_handle, info.info_ex.sid)
188 name.string = ctx.domain_name
189 info = lsaconn.QueryTrustedDomainInfoByName(pol_handle, name, lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO)
191 lsaconn.DeleteTrustedDomain(pol_handle, info.info_ex.sid)
196 def find_dc(ctx, domain):
197 '''find a writeable DC for the given domain'''
199 ctx.cldap_ret = ctx.net.finddc(domain, nbt.NBT_SERVER_LDAP | nbt.NBT_SERVER_DS | nbt.NBT_SERVER_WRITABLE)
201 raise Exception("Failed to find a writeable DC for domain '%s'" % domain)
202 if ctx.cldap_ret.client_site is not None and ctx.cldap_ret.client_site != "":
203 ctx.site = ctx.cldap_ret.client_site
204 return ctx.cldap_ret.pdc_dns_name
207 def get_dsServiceName(ctx):
208 res = ctx.samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["dsServiceName"])
209 return res[0]["dsServiceName"][0]
211 def get_behavior_version(ctx):
212 res = ctx.samdb.search(base=ctx.base_dn, scope=ldb.SCOPE_BASE, attrs=["msDS-Behavior-Version"])
213 if "msDS-Behavior-Version" in res[0]:
214 return int(res[0]["msDS-Behavior-Version"][0])
216 return samba.dsdb.DS_DOMAIN_FUNCTION_2000
218 def get_dnsHostName(ctx):
219 res = ctx.samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["dnsHostName"])
220 return res[0]["dnsHostName"][0]
222 def get_domain_name(ctx):
223 '''get netbios name of the domain from the partitions record'''
224 partitions_dn = ctx.samdb.get_partitions_dn()
225 res = ctx.samdb.search(base=partitions_dn, scope=ldb.SCOPE_ONELEVEL, attrs=["nETBIOSName"],
226 expression='ncName=%s' % ctx.samdb.get_default_basedn())
227 return res[0]["nETBIOSName"][0]
229 def get_parent_partition_dn(ctx):
230 '''get the parent domain partition DN from parent DNS name'''
231 res = ctx.samdb.search(base=ctx.config_dn, attrs=[],
232 expression='(&(objectclass=crossRef)(dnsRoot=%s)(systemFlags:%s:=%u))' %
233 (ctx.parent_dnsdomain, ldb.OID_COMPARATOR_AND, samba.dsdb.SYSTEM_FLAG_CR_NTDS_DOMAIN))
234 return str(res[0].dn)
237 '''get the SID of the connected user. Only works with w2k8 and later,
238 so only used for RODC join'''
239 res = ctx.samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["tokenGroups"])
240 binsid = res[0]["tokenGroups"][0]
241 return ctx.samdb.schema_format_value("objectSID", binsid)
243 def dn_exists(ctx, dn):
244 '''check if a DN exists'''
246 res = ctx.samdb.search(base=dn, scope=ldb.SCOPE_BASE, attrs=[])
247 except ldb.LdbError, (enum, estr):
248 if enum == ldb.ERR_NO_SUCH_OBJECT:
253 def add_krbtgt_account(ctx):
254 '''RODCs need a special krbtgt account'''
255 print "Adding %s" % ctx.krbtgt_dn
257 "dn" : ctx.krbtgt_dn,
258 "objectclass" : "user",
259 "useraccountcontrol" : str(samba.dsdb.UF_NORMAL_ACCOUNT |
260 samba.dsdb.UF_ACCOUNTDISABLE),
261 "showinadvancedviewonly" : "TRUE",
262 "description" : "krbtgt for %s" % ctx.samname}
263 ctx.samdb.add(rec, ["rodc_join:1:1"])
265 # now we need to search for the samAccountName attribute on the krbtgt DN,
266 # as this will have been magically set to the krbtgt number
267 res = ctx.samdb.search(base=ctx.krbtgt_dn, scope=ldb.SCOPE_BASE, attrs=["samAccountName"])
268 ctx.krbtgt_name = res[0]["samAccountName"][0]
270 print "Got krbtgt_name=%s" % ctx.krbtgt_name
273 m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
274 m["msDS-krbTgtLink"] = ldb.MessageElement(ctx.krbtgt_dn,
275 ldb.FLAG_MOD_REPLACE, "msDS-krbTgtLink")
278 ctx.new_krbtgt_dn = "CN=%s,CN=Users,%s" % (ctx.krbtgt_name, ctx.base_dn)
279 print "Renaming %s to %s" % (ctx.krbtgt_dn, ctx.new_krbtgt_dn)
280 ctx.samdb.rename(ctx.krbtgt_dn, ctx.new_krbtgt_dn)
282 def drsuapi_connect(ctx):
283 '''make a DRSUAPI connection to the server'''
284 binding_options = "seal"
285 if int(ctx.lp.get("log level")) >= 5:
286 binding_options += ",print"
287 binding_string = "ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options)
288 ctx.drsuapi = drsuapi.drsuapi(binding_string, ctx.lp, ctx.creds)
289 (ctx.drsuapi_handle, ctx.bind_supported_extensions) = drs_utils.drs_DsBind(ctx.drsuapi)
291 def create_tmp_samdb(ctx):
292 '''create a temporary samdb object for schema queries'''
293 ctx.tmp_schema = Schema(security.dom_sid(ctx.domsid),
294 schemadn=ctx.schema_dn)
295 ctx.tmp_samdb = SamDB(session_info=system_session(), url=None, auto_connect=False,
296 credentials=ctx.creds, lp=ctx.lp, global_schema=False,
298 ctx.tmp_samdb.set_schema(ctx.tmp_schema)
300 def build_DsReplicaAttribute(ctx, attrname, attrvalue):
301 '''build a DsReplicaAttributeCtr object'''
302 r = drsuapi.DsReplicaAttribute()
303 r.attid = ctx.tmp_samdb.get_attid_from_lDAPDisplayName(attrname)
307 def DsAddEntry(ctx, recs):
308 '''add a record via the DRSUAPI DsAddEntry call'''
309 if ctx.drsuapi is None:
310 ctx.drsuapi_connect()
311 if ctx.tmp_samdb is None:
312 ctx.create_tmp_samdb()
316 id = drsuapi.DsReplicaObjectIdentifier()
323 if not isinstance(rec[a], list):
327 rattr = ctx.tmp_samdb.dsdb_DsReplicaAttribute(ctx.tmp_samdb, a, v)
330 attribute_ctr = drsuapi.DsReplicaAttributeCtr()
331 attribute_ctr.num_attributes = len(attrs)
332 attribute_ctr.attributes = attrs
334 object = drsuapi.DsReplicaObject()
335 object.identifier = id
336 object.attribute_ctr = attribute_ctr
338 list_object = drsuapi.DsReplicaObjectListItem()
339 list_object.object = object
340 objects.append(list_object)
342 req2 = drsuapi.DsAddEntryRequest2()
343 req2.first_object = objects[0]
344 prev = req2.first_object
345 for o in objects[1:]:
349 (level, ctr) = ctx.drsuapi.DsAddEntry(ctx.drsuapi_handle, 2, req2)
351 raise RuntimeError("expected err_ver 1, got %u" % ctr.err_ver)
352 if ctr.err_data.status != (0, 'WERR_OK'):
353 print("DsAddEntry failed with status %s info %s" % (ctr.err_data.status,
354 ctr.err_data.info.extended_err))
355 raise RuntimeError("DsAddEntry failed")
356 if ctr.err_data.dir_err != drsuapi.DRSUAPI_DIRERR_OK:
357 print("DsAddEntry failed with dir_err %u" % ctr.err_data.dir_err)
358 raise RuntimeError("DsAddEntry failed")
362 def join_add_ntdsdsa(ctx):
363 '''add the ntdsdsa object'''
364 # FIXME: the partition (NC) assignment has to be made dynamic
365 print "Adding %s" % ctx.ntds_dn
368 "objectclass" : "nTDSDSA",
369 "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE),
370 "dMDLocation" : ctx.schema_dn}
372 nc_list = [ ctx.base_dn, ctx.config_dn, ctx.schema_dn ]
374 if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
375 rec["msDS-Behavior-Version"] = str(ctx.behavior_version)
377 if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
378 rec["msDS-HasDomainNCs"] = ctx.base_dn
381 rec["objectCategory"] = "CN=NTDS-DSA-RO,%s" % ctx.schema_dn
382 rec["msDS-HasFullReplicaNCs"] = nc_list
383 rec["options"] = "37"
384 ctx.samdb.add(rec, ["rodc_join:1:1"])
386 rec["objectCategory"] = "CN=NTDS-DSA,%s" % ctx.schema_dn
387 rec["HasMasterNCs"] = nc_list
388 if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
389 rec["msDS-HasMasterNCs"] = nc_list
391 rec["invocationId"] = ndr_pack(ctx.invocation_id)
392 ctx.DsAddEntry([rec])
394 # find the GUID of our NTDS DN
395 res = ctx.samdb.search(base=ctx.ntds_dn, scope=ldb.SCOPE_BASE, attrs=["objectGUID"])
396 ctx.ntds_guid = misc.GUID(ctx.samdb.schema_format_value("objectGUID", res[0]["objectGUID"][0]))
399 def join_add_objects(ctx):
400 '''add the various objects needed for the join'''
402 print "Adding %s" % ctx.acct_dn
405 "objectClass": "computer",
406 "displayname": ctx.samname,
407 "samaccountname" : ctx.samname,
408 "userAccountControl" : str(ctx.userAccountControl | samba.dsdb.UF_ACCOUNTDISABLE),
409 "dnshostname" : ctx.dnshostname}
410 if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2008:
411 rec['msDS-SupportedEncryptionTypes'] = str(samba.dsdb.ENC_ALL_TYPES)
413 rec["managedby"] = ctx.managedby
414 if ctx.never_reveal_sid:
415 rec["msDS-NeverRevealGroup"] = ctx.never_reveal_sid
417 rec["msDS-RevealOnDemandGroup"] = ctx.reveal_sid
421 ctx.add_krbtgt_account()
423 print "Adding %s" % ctx.server_dn
426 "objectclass" : "server",
427 # windows uses 50000000 decimal for systemFlags. A windows hex/decimal mixup bug?
428 "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_CONFIG_ALLOW_RENAME |
429 samba.dsdb.SYSTEM_FLAG_CONFIG_ALLOW_LIMITED_MOVE |
430 samba.dsdb.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE),
431 # windows seems to add the dnsHostName later
432 "dnsHostName" : ctx.dnshostname}
435 rec["serverReference"] = ctx.acct_dn
440 # the rest is done after replication
444 ctx.join_add_ntdsdsa()
446 if ctx.connection_dn is not None:
447 print "Adding %s" % ctx.connection_dn
449 "dn" : ctx.connection_dn,
450 "objectclass" : "nTDSConnection",
451 "enabledconnection" : "TRUE",
453 "fromServer" : ctx.dc_ntds_dn}
456 if ctx.topology_dn and ctx.acct_dn:
457 print "Adding %s" % ctx.topology_dn
459 "dn" : ctx.topology_dn,
460 "objectclass" : "msDFSR-Member",
461 "msDFSR-ComputerReference" : ctx.acct_dn,
462 "serverReference" : ctx.ntds_dn}
466 print "Adding SPNs to %s" % ctx.acct_dn
468 m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
469 for i in range(len(ctx.SPNs)):
470 ctx.SPNs[i] = ctx.SPNs[i].replace("$NTDSGUID", str(ctx.ntds_guid))
471 m["servicePrincipalName"] = ldb.MessageElement(ctx.SPNs,
473 "servicePrincipalName")
476 print "Setting account password for %s" % ctx.samname
477 ctx.samdb.setpassword("(&(objectClass=user)(sAMAccountName=%s))" % ldb.binary_encode(ctx.samname),
479 force_change_at_next_login=False,
480 username=ctx.samname)
481 res = ctx.samdb.search(base=ctx.acct_dn, scope=ldb.SCOPE_BASE, attrs=["msDS-keyVersionNumber"])
482 ctx.key_version_number = int(res[0]["msDS-keyVersionNumber"][0])
484 print("Enabling account")
486 m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
487 m["userAccountControl"] = ldb.MessageElement(str(ctx.userAccountControl),
488 ldb.FLAG_MOD_REPLACE,
489 "userAccountControl")
493 def join_add_objects2(ctx):
494 '''add the various objects needed for the join, for subdomains post replication'''
496 print "Adding %s" % ctx.partition_dn
497 # NOTE: windows sends a ntSecurityDescriptor here, we
500 "dn" : ctx.partition_dn,
501 "objectclass" : "crossRef",
502 "objectCategory" : "CN=Cross-Ref,%s" % ctx.schema_dn,
503 "nCName" : ctx.base_dn,
504 "nETBIOSName" : ctx.domain_name,
505 "dnsRoot": ctx.dnsdomain,
506 "trustParent" : ctx.parent_partition_dn,
507 "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_CR_NTDS_NC|samba.dsdb.SYSTEM_FLAG_CR_NTDS_DOMAIN)}
508 if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
509 rec["msDS-Behavior-Version"] = str(ctx.behavior_version)
513 "objectclass" : "nTDSDSA",
514 "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE),
515 "dMDLocation" : ctx.schema_dn}
517 nc_list = [ ctx.base_dn, ctx.config_dn, ctx.schema_dn ]
519 if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
520 rec2["msDS-Behavior-Version"] = str(ctx.behavior_version)
522 if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
523 rec2["msDS-HasDomainNCs"] = ctx.base_dn
525 rec2["objectCategory"] = "CN=NTDS-DSA,%s" % ctx.schema_dn
526 rec2["HasMasterNCs"] = nc_list
527 if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
528 rec2["msDS-HasMasterNCs"] = nc_list
529 rec2["options"] = "1"
530 rec2["invocationId"] = ndr_pack(ctx.invocation_id)
532 objects = ctx.DsAddEntry([rec, rec2])
533 if len(objects) != 2:
534 raise DCJoinException("Expected 2 objects from DsAddEntry")
536 ctx.ntds_guid = objects[1].guid
538 print("Replicating partition DN")
539 ctx.repl.replicate(ctx.partition_dn,
540 misc.GUID("00000000-0000-0000-0000-000000000000"),
542 exop=drsuapi.DRSUAPI_EXOP_REPL_OBJ,
543 replica_flags=drsuapi.DRSUAPI_DRS_WRIT_REP)
545 print("Replicating NTDS DN")
546 ctx.repl.replicate(ctx.ntds_dn,
547 misc.GUID("00000000-0000-0000-0000-000000000000"),
549 exop=drsuapi.DRSUAPI_EXOP_REPL_OBJ,
550 replica_flags=drsuapi.DRSUAPI_DRS_WRIT_REP)
552 def join_provision(ctx):
553 '''provision the local SAM'''
555 print "Calling bare provision"
557 logger = logging.getLogger("provision")
558 logger.addHandler(logging.StreamHandler(sys.stdout))
559 smbconf = ctx.lp.configfile
561 presult = provision(logger, system_session(), None,
562 smbconf=smbconf, targetdir=ctx.targetdir, samdb_fill=FILL_DRS,
563 realm=ctx.realm, rootdn=ctx.root_dn, domaindn=ctx.base_dn,
564 schemadn=ctx.schema_dn,
565 configdn=ctx.config_dn,
566 serverdn=ctx.server_dn, domain=ctx.domain_name,
567 hostname=ctx.myname, domainsid=ctx.domsid,
568 machinepass=ctx.acct_pass, serverrole="domain controller",
569 sitename=ctx.site, lp=ctx.lp, ntdsguid=ctx.ntds_guid)
570 print "Provision OK for domain DN %s" % presult.domaindn
571 ctx.local_samdb = presult.samdb
573 ctx.paths = presult.paths
574 ctx.names = presult.names
576 def join_provision_own_domain(ctx):
577 '''provision the local SAM'''
579 # we now operate exclusively on the local database, which
580 # we need to reopen in order to get the newly created schema
581 print("Reconnecting to local samdb")
582 ctx.samdb = SamDB(url=ctx.local_samdb.url,
583 session_info=system_session(),
584 lp=ctx.local_samdb.lp,
586 ctx.samdb.set_invocation_id(str(ctx.invocation_id))
587 ctx.local_samdb = ctx.samdb
589 print("Finding domain GUID from ncName")
590 res = ctx.local_samdb.search(base=ctx.partition_dn, scope=ldb.SCOPE_BASE, attrs=['ncName'],
591 controls=["extended_dn:1:1"])
592 domguid = str(misc.GUID(ldb.Dn(ctx.samdb, res[0]['ncName'][0]).get_extended_component('GUID')))
593 print("Got domain GUID %s" % domguid)
595 print("Calling own domain provision")
597 logger = logging.getLogger("provision")
598 logger.addHandler(logging.StreamHandler(sys.stdout))
600 secrets_ldb = Ldb(ctx.paths.secrets, session_info=system_session(), lp=ctx.lp)
602 presult = provision_fill(ctx.local_samdb, secrets_ldb,
603 logger, ctx.names, ctx.paths, domainsid=security.dom_sid(ctx.domsid),
605 targetdir=ctx.targetdir, samdb_fill=FILL_SUBDOMAIN,
606 machinepass=ctx.acct_pass, serverrole="domain controller",
607 lp=ctx.lp, hostip=ctx.names.hostip, hostip6=ctx.names.hostip6)
608 print("Provision OK for domain %s" % ctx.names.dnsdomain)
611 def join_replicate(ctx):
612 '''replicate the SAM'''
614 print "Starting replication"
615 ctx.local_samdb.transaction_start()
617 source_dsa_invocation_id = misc.GUID(ctx.samdb.get_invocation_id())
618 if ctx.ntds_guid is None:
619 print("Using DS_BIND_GUID_W2K3")
620 destination_dsa_guid = misc.GUID(drsuapi.DRSUAPI_DS_BIND_GUID_W2K3)
622 destination_dsa_guid = ctx.ntds_guid
625 repl_creds = Credentials()
626 repl_creds.guess(ctx.lp)
627 repl_creds.set_kerberos_state(DONT_USE_KERBEROS)
628 repl_creds.set_username(ctx.samname)
629 repl_creds.set_password(ctx.acct_pass)
631 repl_creds = ctx.creds
633 binding_options = "seal"
634 if int(ctx.lp.get("log level")) >= 5:
635 binding_options += ",print"
636 repl = drs_utils.drs_Replicate(
637 "ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options),
638 ctx.lp, repl_creds, ctx.local_samdb)
640 repl.replicate(ctx.schema_dn, source_dsa_invocation_id,
641 destination_dsa_guid, schema=True, rodc=ctx.RODC,
642 replica_flags=ctx.replica_flags)
643 repl.replicate(ctx.config_dn, source_dsa_invocation_id,
644 destination_dsa_guid, rodc=ctx.RODC,
645 replica_flags=ctx.replica_flags)
646 if not ctx.subdomain:
647 repl.replicate(ctx.base_dn, source_dsa_invocation_id,
648 destination_dsa_guid, rodc=ctx.RODC,
649 replica_flags=ctx.domain_replica_flags)
651 repl.replicate(ctx.acct_dn, source_dsa_invocation_id,
652 destination_dsa_guid,
653 exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET, rodc=True)
654 repl.replicate(ctx.new_krbtgt_dn, source_dsa_invocation_id,
655 destination_dsa_guid,
656 exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET, rodc=True)
658 ctx.source_dsa_invocation_id = source_dsa_invocation_id
659 ctx.destination_dsa_guid = destination_dsa_guid
661 print "Committing SAM database"
663 ctx.local_samdb.transaction_cancel()
666 ctx.local_samdb.transaction_commit()
669 def join_finalise(ctx):
670 '''finalise the join, mark us synchronised and setup secrets db'''
672 print "Setting isSynchronized and dsServiceName"
674 m.dn = ldb.Dn(ctx.local_samdb, '@ROOTDSE')
675 m["isSynchronized"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_REPLACE, "isSynchronized")
676 m["dsServiceName"] = ldb.MessageElement("<GUID=%s>" % str(ctx.ntds_guid),
677 ldb.FLAG_MOD_REPLACE, "dsServiceName")
678 ctx.local_samdb.modify(m)
683 secrets_ldb = Ldb(ctx.paths.secrets, session_info=system_session(), lp=ctx.lp)
685 print "Setting up secrets database"
686 secretsdb_self_join(secrets_ldb, domain=ctx.domain_name,
688 dnsdomain=ctx.dnsdomain,
689 netbiosname=ctx.myname,
690 domainsid=security.dom_sid(ctx.domsid),
691 machinepass=ctx.acct_pass,
692 secure_channel_type=ctx.secure_channel_type,
693 key_version_number=ctx.key_version_number)
695 def join_setup_trusts(ctx):
696 '''provision the local SAM'''
698 def arcfour_encrypt(key, data):
699 from Crypto.Cipher import ARC4
701 return c.encrypt(data)
703 def string_to_array(string):
704 blob = [0] * len(string)
706 for i in range(len(string)):
707 blob[i] = ord(string[i])
711 print "Setup domain trusts with server %s" % ctx.server
712 binding_options = "" # why doesn't signing work gere? w2k8r2 claims no session key
713 lsaconn = lsa.lsarpc("ncacn_np:%s[%s]" % (ctx.server, binding_options),
716 objectAttr = lsa.ObjectAttribute()
717 objectAttr.sec_qos = lsa.QosInfo()
719 pol_handle = lsaconn.OpenPolicy2(''.decode('utf-8'),
720 objectAttr, security.SEC_FLAG_MAXIMUM_ALLOWED)
722 info = lsa.TrustDomainInfoInfoEx()
723 info.domain_name.string = ctx.dnsdomain
724 info.netbios_name.string = ctx.domain_name
725 info.sid = security.dom_sid(ctx.domsid)
726 info.trust_direction = lsa.LSA_TRUST_DIRECTION_INBOUND | lsa.LSA_TRUST_DIRECTION_OUTBOUND
727 info.trust_type = lsa.LSA_TRUST_TYPE_UPLEVEL
728 info.trust_attributes = lsa.LSA_TRUST_ATTRIBUTE_WITHIN_FOREST
731 oldname = lsa.String()
732 oldname.string = ctx.dnsdomain
733 oldinfo = lsaconn.QueryTrustedDomainInfoByName(pol_handle, oldname,
734 lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO)
735 print("Removing old trust record for %s (SID %s)" % (ctx.dnsdomain, oldinfo.info_ex.sid))
736 lsaconn.DeleteTrustedDomain(pol_handle, oldinfo.info_ex.sid)
740 password_blob = string_to_array(ctx.trustdom_pass.encode('utf-16-le'))
742 clear_value = drsblobs.AuthInfoClear()
743 clear_value.size = len(password_blob)
744 clear_value.password = password_blob
746 clear_authentication_information = drsblobs.AuthenticationInformation()
747 clear_authentication_information.LastUpdateTime = samba.unix2nttime(int(time.time()))
748 clear_authentication_information.AuthType = lsa.TRUST_AUTH_TYPE_CLEAR
749 clear_authentication_information.AuthInfo = clear_value
751 authentication_information_array = drsblobs.AuthenticationInformationArray()
752 authentication_information_array.count = 1
753 authentication_information_array.array = [clear_authentication_information]
755 outgoing = drsblobs.trustAuthInOutBlob()
757 outgoing.current = authentication_information_array
759 trustpass = drsblobs.trustDomainPasswords()
760 confounder = [3] * 512
763 confounder[i] = random.randint(0, 255)
765 trustpass.confounder = confounder
767 trustpass.outgoing = outgoing
768 trustpass.incoming = outgoing
770 trustpass_blob = ndr_pack(trustpass)
772 encrypted_trustpass = arcfour_encrypt(lsaconn.session_key, trustpass_blob)
774 auth_blob = lsa.DATA_BUF2()
775 auth_blob.size = len(encrypted_trustpass)
776 auth_blob.data = string_to_array(encrypted_trustpass)
778 auth_info = lsa.TrustDomainInfoAuthInfoInternal()
779 auth_info.auth_blob = auth_blob
781 trustdom_handle = lsaconn.CreateTrustedDomainEx2(pol_handle,
784 security.SEC_STD_DELETE)
787 "dn" : "cn=%s,cn=system,%s" % (ctx.parent_dnsdomain, ctx.base_dn),
788 "objectclass" : "trustedDomain",
789 "trustType" : str(info.trust_type),
790 "trustAttributes" : str(info.trust_attributes),
791 "trustDirection" : str(info.trust_direction),
792 "flatname" : ctx.parent_domain_name,
793 "trustPartner" : ctx.parent_dnsdomain,
794 "trustAuthIncoming" : ndr_pack(outgoing),
795 "trustAuthOutgoing" : ndr_pack(outgoing)
797 ctx.local_samdb.add(rec)
800 "dn" : "cn=%s$,cn=users,%s" % (ctx.parent_domain_name, ctx.base_dn),
801 "objectclass" : "user",
802 "userAccountControl" : str(samba.dsdb.UF_INTERDOMAIN_TRUST_ACCOUNT),
803 "clearTextPassword" : ctx.trustdom_pass.encode('utf-16-le')
805 ctx.local_samdb.add(rec)
809 ctx.cleanup_old_join()
811 ctx.join_add_objects()
815 ctx.join_add_objects2()
816 ctx.join_provision_own_domain()
817 ctx.join_setup_trusts()
820 print "Join failed - cleaning up"
821 #ctx.cleanup_old_join()
825 def join_RODC(server=None, creds=None, lp=None, site=None, netbios_name=None,
826 targetdir=None, domain=None, domain_critical_only=False):
829 ctx = dc_join(server, creds, lp, site, netbios_name, targetdir, domain)
831 lp.set("workgroup", ctx.domain_name)
832 print("workgroup is %s" % ctx.domain_name)
834 lp.set("realm", ctx.realm)
835 print("realm is %s" % ctx.realm)
837 ctx.krbtgt_dn = "CN=krbtgt_%s,CN=Users,%s" % (ctx.myname, ctx.base_dn)
839 # setup some defaults for accounts that should be replicated to this RODC
840 ctx.never_reveal_sid = [ "<SID=%s-%s>" % (ctx.domsid, security.DOMAIN_RID_RODC_DENY),
841 "<SID=%s>" % security.SID_BUILTIN_ADMINISTRATORS,
842 "<SID=%s>" % security.SID_BUILTIN_SERVER_OPERATORS,
843 "<SID=%s>" % security.SID_BUILTIN_BACKUP_OPERATORS,
844 "<SID=%s>" % security.SID_BUILTIN_ACCOUNT_OPERATORS ]
845 ctx.reveal_sid = "<SID=%s-%s>" % (ctx.domsid, security.DOMAIN_RID_RODC_ALLOW)
847 mysid = ctx.get_mysid()
848 admin_dn = "<SID=%s>" % mysid
849 ctx.managedby = admin_dn
851 ctx.userAccountControl = (samba.dsdb.UF_WORKSTATION_TRUST_ACCOUNT |
852 samba.dsdb.UF_TRUSTED_TO_AUTHENTICATE_FOR_DELEGATION |
853 samba.dsdb.UF_PARTIAL_SECRETS_ACCOUNT)
855 ctx.SPNs.extend([ "RestrictedKrbHost/%s" % ctx.myname,
856 "RestrictedKrbHost/%s" % ctx.dnshostname ])
858 ctx.connection_dn = "CN=RODC Connection (FRS),%s" % ctx.ntds_dn
859 ctx.secure_channel_type = misc.SEC_CHAN_RODC
861 ctx.replica_flags = (drsuapi.DRSUAPI_DRS_INIT_SYNC |
862 drsuapi.DRSUAPI_DRS_PER_SYNC |
863 drsuapi.DRSUAPI_DRS_GET_ANC |
864 drsuapi.DRSUAPI_DRS_NEVER_SYNCED |
865 drsuapi.DRSUAPI_DRS_SPECIAL_SECRET_PROCESSING |
866 drsuapi.DRSUAPI_DRS_GET_ALL_GROUP_MEMBERSHIP)
867 ctx.domain_replica_flags = ctx.replica_flags
868 if domain_critical_only:
869 ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY
874 print "Joined domain %s (SID %s) as an RODC" % (ctx.domain_name, ctx.domsid)
877 def join_DC(server=None, creds=None, lp=None, site=None, netbios_name=None,
878 targetdir=None, domain=None, domain_critical_only=False):
880 ctx = dc_join(server, creds, lp, site, netbios_name, targetdir, domain)
882 lp.set("workgroup", ctx.domain_name)
883 print("workgroup is %s" % ctx.domain_name)
885 lp.set("realm", ctx.realm)
886 print("realm is %s" % ctx.realm)
888 ctx.userAccountControl = samba.dsdb.UF_SERVER_TRUST_ACCOUNT | samba.dsdb.UF_TRUSTED_FOR_DELEGATION
890 ctx.SPNs.append('E3514235-4B06-11D1-AB04-00C04FC2DCD2/$NTDSGUID/%s' % ctx.dnsdomain)
891 ctx.secure_channel_type = misc.SEC_CHAN_BDC
893 ctx.replica_flags = (drsuapi.DRSUAPI_DRS_WRIT_REP |
894 drsuapi.DRSUAPI_DRS_INIT_SYNC |
895 drsuapi.DRSUAPI_DRS_PER_SYNC |
896 drsuapi.DRSUAPI_DRS_FULL_SYNC_IN_PROGRESS |
897 drsuapi.DRSUAPI_DRS_NEVER_SYNCED)
898 ctx.domain_replica_flags = ctx.replica_flags
899 if domain_critical_only:
900 ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY
903 print "Joined domain %s (SID %s) as a DC" % (ctx.domain_name, ctx.domsid)
905 def join_subdomain(server=None, creds=None, lp=None, site=None, netbios_name=None,
906 targetdir=None, parent_domain=None, dnsdomain=None, netbios_domain=None):
908 ctx = dc_join(server, creds, lp, site, netbios_name, targetdir, parent_domain)
910 ctx.parent_domain_name = ctx.domain_name
911 ctx.domain_name = netbios_domain
912 ctx.realm = dnsdomain
913 ctx.parent_dnsdomain = ctx.dnsdomain
914 ctx.parent_partition_dn = ctx.get_parent_partition_dn()
915 ctx.dnsdomain = dnsdomain
916 ctx.partition_dn = "CN=%s,CN=Partitions,%s" % (ctx.domain_name, ctx.config_dn)
917 ctx.base_dn = samba.dn_from_dns_name(dnsdomain)
918 ctx.domsid = str(security.random_sid())
920 ctx.dnshostname = "%s.%s" % (ctx.myname, ctx.dnsdomain)
921 ctx.trustdom_pass = samba.generate_random_password(128, 128)
923 ctx.userAccountControl = samba.dsdb.UF_SERVER_TRUST_ACCOUNT | samba.dsdb.UF_TRUSTED_FOR_DELEGATION
925 ctx.SPNs.append('E3514235-4B06-11D1-AB04-00C04FC2DCD2/$NTDSGUID/%s' % ctx.dnsdomain)
926 ctx.secure_channel_type = misc.SEC_CHAN_BDC
928 ctx.replica_flags = (drsuapi.DRSUAPI_DRS_WRIT_REP |
929 drsuapi.DRSUAPI_DRS_INIT_SYNC |
930 drsuapi.DRSUAPI_DRS_PER_SYNC |
931 drsuapi.DRSUAPI_DRS_FULL_SYNC_IN_PROGRESS |
932 drsuapi.DRSUAPI_DRS_NEVER_SYNCED)
933 ctx.domain_replica_flags = ctx.replica_flags
936 print "Created domain %s (SID %s) as a DC" % (ctx.domain_name, ctx.domsid)