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
.forest_domain_name
= ctx
.get_forest_domain_name()
88 ctx
.invocation_id
= misc
.GUID(str(uuid
.uuid4()))
90 ctx
.dc_ntds_dn
= ctx
.get_dsServiceName()
91 ctx
.dc_dnsHostName
= ctx
.get_dnsHostName()
92 ctx
.behavior_version
= ctx
.get_behavior_version()
94 ctx
.acct_pass
= samba
.generate_random_password(32, 40)
96 # work out the DNs of all the objects we will be adding
97 ctx
.server_dn
= "CN=%s,CN=Servers,CN=%s,CN=Sites,%s" % (ctx
.myname
, ctx
.site
, ctx
.config_dn
)
98 ctx
.ntds_dn
= "CN=NTDS Settings,%s" % ctx
.server_dn
99 topology_base
= "CN=Topology,CN=Domain System Volume,CN=DFSR-GlobalSettings,CN=System,%s" % ctx
.base_dn
100 if ctx
.dn_exists(topology_base
):
101 ctx
.topology_dn
= "CN=%s,%s" % (ctx
.myname
, topology_base
)
103 ctx
.topology_dn
= None
105 ctx
.dnsdomain
= ctx
.samdb
.domain_dns_name()
106 ctx
.dnsforest
= ctx
.samdb
.forest_dns_name()
107 ctx
.dnshostname
= "%s.%s" % (ctx
.myname
, ctx
.dnsdomain
)
109 ctx
.realm
= ctx
.dnsdomain
111 ctx
.acct_dn
= "CN=%s,OU=Domain Controllers,%s" % (ctx
.myname
, ctx
.base_dn
)
115 ctx
.SPNs
= [ "HOST/%s" % ctx
.myname
,
116 "HOST/%s" % ctx
.dnshostname
,
117 "GC/%s/%s" % (ctx
.dnshostname
, ctx
.dnsforest
) ]
119 # these elements are optional
120 ctx
.never_reveal_sid
= None
121 ctx
.reveal_sid
= None
122 ctx
.connection_dn
= None
127 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
, 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_dsServiceName(ctx
):
209 res
= ctx
.samdb
.search(base
="", scope
=ldb
.SCOPE_BASE
, attrs
=["dsServiceName"])
210 return res
[0]["dsServiceName"][0]
212 def get_behavior_version(ctx
):
213 res
= ctx
.samdb
.search(base
=ctx
.base_dn
, scope
=ldb
.SCOPE_BASE
, attrs
=["msDS-Behavior-Version"])
214 if "msDS-Behavior-Version" in res
[0]:
215 return int(res
[0]["msDS-Behavior-Version"][0])
217 return samba
.dsdb
.DS_DOMAIN_FUNCTION_2000
219 def get_dnsHostName(ctx
):
220 res
= ctx
.samdb
.search(base
="", scope
=ldb
.SCOPE_BASE
, attrs
=["dnsHostName"])
221 return res
[0]["dnsHostName"][0]
223 def get_domain_name(ctx
):
224 '''get netbios name of the domain from the partitions record'''
225 partitions_dn
= ctx
.samdb
.get_partitions_dn()
226 res
= ctx
.samdb
.search(base
=partitions_dn
, scope
=ldb
.SCOPE_ONELEVEL
, attrs
=["nETBIOSName"],
227 expression
='ncName=%s' % ctx
.samdb
.get_default_basedn())
228 return res
[0]["nETBIOSName"][0]
230 def get_forest_domain_name(ctx
):
231 '''get netbios name of the domain from the partitions record'''
232 partitions_dn
= ctx
.samdb
.get_partitions_dn()
233 res
= ctx
.samdb
.search(base
=partitions_dn
, scope
=ldb
.SCOPE_ONELEVEL
, attrs
=["nETBIOSName"],
234 expression
='ncName=%s' % ctx
.samdb
.get_root_basedn())
235 return res
[0]["nETBIOSName"][0]
237 def get_parent_partition_dn(ctx
):
238 '''get the parent domain partition DN from parent DNS name'''
239 res
= ctx
.samdb
.search(base
=ctx
.config_dn
, attrs
=[],
240 expression
='(&(objectclass=crossRef)(dnsRoot=%s)(systemFlags:%s:=%u))' %
241 (ctx
.parent_dnsdomain
, ldb
.OID_COMPARATOR_AND
, samba
.dsdb
.SYSTEM_FLAG_CR_NTDS_DOMAIN
))
242 return str(res
[0].dn
)
244 def get_naming_master(ctx
):
245 '''get the parent domain partition DN from parent DNS name'''
246 res
= ctx
.samdb
.search(base
='CN=Partitions,%s' % ctx
.config_dn
, attrs
=['fSMORoleOwner'],
247 scope
=ldb
.SCOPE_BASE
, controls
=["extended_dn:1:1"])
248 if not 'fSMORoleOwner' in res
[0]:
249 raise DCJoinException("Can't find naming master on partition DN %s" % ctx
.partition_dn
)
250 master_guid
= str(misc
.GUID(ldb
.Dn(ctx
.samdb
, res
[0]['fSMORoleOwner'][0]).get_extended_component('GUID')))
251 master_host
= '%s._msdcs.%s' % (master_guid
, ctx
.dnsforest
)
255 '''get the SID of the connected user. Only works with w2k8 and later,
256 so only used for RODC join'''
257 res
= ctx
.samdb
.search(base
="", scope
=ldb
.SCOPE_BASE
, attrs
=["tokenGroups"])
258 binsid
= res
[0]["tokenGroups"][0]
259 return ctx
.samdb
.schema_format_value("objectSID", binsid
)
261 def dn_exists(ctx
, dn
):
262 '''check if a DN exists'''
264 res
= ctx
.samdb
.search(base
=dn
, scope
=ldb
.SCOPE_BASE
, attrs
=[])
265 except ldb
.LdbError
, (enum
, estr
):
266 if enum
== ldb
.ERR_NO_SUCH_OBJECT
:
271 def add_krbtgt_account(ctx
):
272 '''RODCs need a special krbtgt account'''
273 print "Adding %s" % ctx
.krbtgt_dn
275 "dn" : ctx
.krbtgt_dn
,
276 "objectclass" : "user",
277 "useraccountcontrol" : str(samba
.dsdb
.UF_NORMAL_ACCOUNT |
278 samba
.dsdb
.UF_ACCOUNTDISABLE
),
279 "showinadvancedviewonly" : "TRUE",
280 "description" : "krbtgt for %s" % ctx
.samname
}
281 ctx
.samdb
.add(rec
, ["rodc_join:1:1"])
283 # now we need to search for the samAccountName attribute on the krbtgt DN,
284 # as this will have been magically set to the krbtgt number
285 res
= ctx
.samdb
.search(base
=ctx
.krbtgt_dn
, scope
=ldb
.SCOPE_BASE
, attrs
=["samAccountName"])
286 ctx
.krbtgt_name
= res
[0]["samAccountName"][0]
288 print "Got krbtgt_name=%s" % ctx
.krbtgt_name
291 m
.dn
= ldb
.Dn(ctx
.samdb
, ctx
.acct_dn
)
292 m
["msDS-krbTgtLink"] = ldb
.MessageElement(ctx
.krbtgt_dn
,
293 ldb
.FLAG_MOD_REPLACE
, "msDS-krbTgtLink")
296 ctx
.new_krbtgt_dn
= "CN=%s,CN=Users,%s" % (ctx
.krbtgt_name
, ctx
.base_dn
)
297 print "Renaming %s to %s" % (ctx
.krbtgt_dn
, ctx
.new_krbtgt_dn
)
298 ctx
.samdb
.rename(ctx
.krbtgt_dn
, ctx
.new_krbtgt_dn
)
300 def drsuapi_connect(ctx
):
301 '''make a DRSUAPI connection to the naming master'''
302 binding_options
= "seal"
303 if int(ctx
.lp
.get("log level")) >= 4:
304 binding_options
+= ",print"
305 binding_string
= "ncacn_ip_tcp:%s[%s]" % (ctx
.server
, binding_options
)
306 ctx
.drsuapi
= drsuapi
.drsuapi(binding_string
, ctx
.lp
, ctx
.creds
)
307 (ctx
.drsuapi_handle
, ctx
.bind_supported_extensions
) = drs_utils
.drs_DsBind(ctx
.drsuapi
)
309 def create_tmp_samdb(ctx
):
310 '''create a temporary samdb object for schema queries'''
311 ctx
.tmp_schema
= Schema(security
.dom_sid(ctx
.domsid
),
312 schemadn
=ctx
.schema_dn
)
313 ctx
.tmp_samdb
= SamDB(session_info
=system_session(), url
=None, auto_connect
=False,
314 credentials
=ctx
.creds
, lp
=ctx
.lp
, global_schema
=False,
316 ctx
.tmp_samdb
.set_schema(ctx
.tmp_schema
)
318 def build_DsReplicaAttribute(ctx
, attrname
, attrvalue
):
319 '''build a DsReplicaAttributeCtr object'''
320 r
= drsuapi
.DsReplicaAttribute()
321 r
.attid
= ctx
.tmp_samdb
.get_attid_from_lDAPDisplayName(attrname
)
325 def DsAddEntry(ctx
, recs
):
326 '''add a record via the DRSUAPI DsAddEntry call'''
327 if ctx
.drsuapi
is None:
328 ctx
.drsuapi_connect()
329 if ctx
.tmp_samdb
is None:
330 ctx
.create_tmp_samdb()
334 id = drsuapi
.DsReplicaObjectIdentifier()
341 if not isinstance(rec
[a
], list):
345 rattr
= ctx
.tmp_samdb
.dsdb_DsReplicaAttribute(ctx
.tmp_samdb
, a
, v
)
348 attribute_ctr
= drsuapi
.DsReplicaAttributeCtr()
349 attribute_ctr
.num_attributes
= len(attrs
)
350 attribute_ctr
.attributes
= attrs
352 object = drsuapi
.DsReplicaObject()
353 object.identifier
= id
354 object.attribute_ctr
= attribute_ctr
356 list_object
= drsuapi
.DsReplicaObjectListItem()
357 list_object
.object = object
358 objects
.append(list_object
)
360 req2
= drsuapi
.DsAddEntryRequest2()
361 req2
.first_object
= objects
[0]
362 prev
= req2
.first_object
363 for o
in objects
[1:]:
367 (level
, ctr
) = ctx
.drsuapi
.DsAddEntry(ctx
.drsuapi_handle
, 2, req2
)
369 raise RuntimeError("expected err_ver 1, got %u" % ctr
.err_ver
)
370 if ctr
.err_data
.status
!= (0, 'WERR_OK'):
371 print("DsAddEntry failed with status %s info %s" % (ctr
.err_data
.status
,
372 ctr
.err_data
.info
.extended_err
))
373 raise RuntimeError("DsAddEntry failed")
374 if ctr
.err_data
.dir_err
!= drsuapi
.DRSUAPI_DIRERR_OK
:
375 print("DsAddEntry failed with dir_err %u" % ctr
.err_data
.dir_err
)
376 raise RuntimeError("DsAddEntry failed")
380 def join_add_ntdsdsa(ctx
):
381 '''add the ntdsdsa object'''
382 # FIXME: the partition (NC) assignment has to be made dynamic
383 print "Adding %s" % ctx
.ntds_dn
386 "objectclass" : "nTDSDSA",
387 "systemFlags" : str(samba
.dsdb
.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE
),
388 "dMDLocation" : ctx
.schema_dn
}
390 nc_list
= [ ctx
.base_dn
, ctx
.config_dn
, ctx
.schema_dn
]
392 if ctx
.behavior_version
>= samba
.dsdb
.DS_DOMAIN_FUNCTION_2003
:
393 rec
["msDS-Behavior-Version"] = str(ctx
.behavior_version
)
395 if ctx
.behavior_version
>= samba
.dsdb
.DS_DOMAIN_FUNCTION_2003
:
396 rec
["msDS-HasDomainNCs"] = ctx
.base_dn
399 rec
["objectCategory"] = "CN=NTDS-DSA-RO,%s" % ctx
.schema_dn
400 rec
["msDS-HasFullReplicaNCs"] = nc_list
401 rec
["options"] = "37"
402 ctx
.samdb
.add(rec
, ["rodc_join:1:1"])
404 rec
["objectCategory"] = "CN=NTDS-DSA,%s" % ctx
.schema_dn
405 rec
["HasMasterNCs"] = nc_list
406 if ctx
.behavior_version
>= samba
.dsdb
.DS_DOMAIN_FUNCTION_2003
:
407 rec
["msDS-HasMasterNCs"] = nc_list
409 rec
["invocationId"] = ndr_pack(ctx
.invocation_id
)
410 ctx
.DsAddEntry([rec
])
412 # find the GUID of our NTDS DN
413 res
= ctx
.samdb
.search(base
=ctx
.ntds_dn
, scope
=ldb
.SCOPE_BASE
, attrs
=["objectGUID"])
414 ctx
.ntds_guid
= misc
.GUID(ctx
.samdb
.schema_format_value("objectGUID", res
[0]["objectGUID"][0]))
417 def join_add_objects(ctx
):
418 '''add the various objects needed for the join'''
420 print "Adding %s" % ctx
.acct_dn
423 "objectClass": "computer",
424 "displayname": ctx
.samname
,
425 "samaccountname" : ctx
.samname
,
426 "userAccountControl" : str(ctx
.userAccountControl | samba
.dsdb
.UF_ACCOUNTDISABLE
),
427 "dnshostname" : ctx
.dnshostname
}
428 if ctx
.behavior_version
>= samba
.dsdb
.DS_DOMAIN_FUNCTION_2008
:
429 rec
['msDS-SupportedEncryptionTypes'] = str(samba
.dsdb
.ENC_ALL_TYPES
)
431 rec
["managedby"] = ctx
.managedby
432 if ctx
.never_reveal_sid
:
433 rec
["msDS-NeverRevealGroup"] = ctx
.never_reveal_sid
435 rec
["msDS-RevealOnDemandGroup"] = ctx
.reveal_sid
439 ctx
.add_krbtgt_account()
441 print "Adding %s" % ctx
.server_dn
444 "objectclass" : "server",
445 # windows uses 50000000 decimal for systemFlags. A windows hex/decimal mixup bug?
446 "systemFlags" : str(samba
.dsdb
.SYSTEM_FLAG_CONFIG_ALLOW_RENAME |
447 samba
.dsdb
.SYSTEM_FLAG_CONFIG_ALLOW_LIMITED_MOVE |
448 samba
.dsdb
.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE
),
449 # windows seems to add the dnsHostName later
450 "dnsHostName" : ctx
.dnshostname
}
453 rec
["serverReference"] = ctx
.acct_dn
458 # the rest is done after replication
462 ctx
.join_add_ntdsdsa()
464 if ctx
.connection_dn
is not None:
465 print "Adding %s" % ctx
.connection_dn
467 "dn" : ctx
.connection_dn
,
468 "objectclass" : "nTDSConnection",
469 "enabledconnection" : "TRUE",
471 "fromServer" : ctx
.dc_ntds_dn
}
474 if ctx
.topology_dn
and ctx
.acct_dn
:
475 print "Adding %s" % ctx
.topology_dn
477 "dn" : ctx
.topology_dn
,
478 "objectclass" : "msDFSR-Member",
479 "msDFSR-ComputerReference" : ctx
.acct_dn
,
480 "serverReference" : ctx
.ntds_dn
}
484 print "Adding SPNs to %s" % ctx
.acct_dn
486 m
.dn
= ldb
.Dn(ctx
.samdb
, ctx
.acct_dn
)
487 for i
in range(len(ctx
.SPNs
)):
488 ctx
.SPNs
[i
] = ctx
.SPNs
[i
].replace("$NTDSGUID", str(ctx
.ntds_guid
))
489 m
["servicePrincipalName"] = ldb
.MessageElement(ctx
.SPNs
,
491 "servicePrincipalName")
494 print "Setting account password for %s" % ctx
.samname
495 ctx
.samdb
.setpassword("(&(objectClass=user)(sAMAccountName=%s))" % ldb
.binary_encode(ctx
.samname
),
497 force_change_at_next_login
=False,
498 username
=ctx
.samname
)
499 res
= ctx
.samdb
.search(base
=ctx
.acct_dn
, scope
=ldb
.SCOPE_BASE
, attrs
=["msDS-keyVersionNumber"])
500 ctx
.key_version_number
= int(res
[0]["msDS-keyVersionNumber"][0])
502 print("Enabling account")
504 m
.dn
= ldb
.Dn(ctx
.samdb
, ctx
.acct_dn
)
505 m
["userAccountControl"] = ldb
.MessageElement(str(ctx
.userAccountControl
),
506 ldb
.FLAG_MOD_REPLACE
,
507 "userAccountControl")
511 def join_add_objects2(ctx
):
512 '''add the various objects needed for the join, for subdomains post replication'''
514 print "Adding %s" % ctx
.partition_dn
515 # NOTE: windows sends a ntSecurityDescriptor here, we
518 "dn" : ctx
.partition_dn
,
519 "objectclass" : "crossRef",
520 "objectCategory" : "CN=Cross-Ref,%s" % ctx
.schema_dn
,
521 "nCName" : ctx
.base_dn
,
522 "nETBIOSName" : ctx
.domain_name
,
523 "dnsRoot": ctx
.dnsdomain
,
524 "trustParent" : ctx
.parent_partition_dn
,
525 "systemFlags" : str(samba
.dsdb
.SYSTEM_FLAG_CR_NTDS_NC|samba
.dsdb
.SYSTEM_FLAG_CR_NTDS_DOMAIN
)}
526 if ctx
.behavior_version
>= samba
.dsdb
.DS_DOMAIN_FUNCTION_2003
:
527 rec
["msDS-Behavior-Version"] = str(ctx
.behavior_version
)
531 "objectclass" : "nTDSDSA",
532 "systemFlags" : str(samba
.dsdb
.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE
),
533 "dMDLocation" : ctx
.schema_dn
}
535 nc_list
= [ ctx
.base_dn
, ctx
.config_dn
, ctx
.schema_dn
]
537 if ctx
.behavior_version
>= samba
.dsdb
.DS_DOMAIN_FUNCTION_2003
:
538 rec2
["msDS-Behavior-Version"] = str(ctx
.behavior_version
)
540 if ctx
.behavior_version
>= samba
.dsdb
.DS_DOMAIN_FUNCTION_2003
:
541 rec2
["msDS-HasDomainNCs"] = ctx
.base_dn
543 rec2
["objectCategory"] = "CN=NTDS-DSA,%s" % ctx
.schema_dn
544 rec2
["HasMasterNCs"] = nc_list
545 if ctx
.behavior_version
>= samba
.dsdb
.DS_DOMAIN_FUNCTION_2003
:
546 rec2
["msDS-HasMasterNCs"] = nc_list
547 rec2
["options"] = "1"
548 rec2
["invocationId"] = ndr_pack(ctx
.invocation_id
)
550 objects
= ctx
.DsAddEntry([rec
, rec2
])
551 if len(objects
) != 2:
552 raise DCJoinException("Expected 2 objects from DsAddEntry")
554 ctx
.ntds_guid
= objects
[1].guid
556 print("Replicating partition DN")
557 ctx
.repl
.replicate(ctx
.partition_dn
,
558 misc
.GUID("00000000-0000-0000-0000-000000000000"),
560 exop
=drsuapi
.DRSUAPI_EXOP_REPL_OBJ
,
561 replica_flags
=drsuapi
.DRSUAPI_DRS_WRIT_REP
)
563 print("Replicating NTDS DN")
564 ctx
.repl
.replicate(ctx
.ntds_dn
,
565 misc
.GUID("00000000-0000-0000-0000-000000000000"),
567 exop
=drsuapi
.DRSUAPI_EXOP_REPL_OBJ
,
568 replica_flags
=drsuapi
.DRSUAPI_DRS_WRIT_REP
)
570 def join_provision(ctx
):
571 '''provision the local SAM'''
573 print "Calling bare provision"
575 logger
= logging
.getLogger("provision")
576 logger
.addHandler(logging
.StreamHandler(sys
.stdout
))
577 smbconf
= ctx
.lp
.configfile
579 presult
= provision(logger
, system_session(), None,
580 smbconf
=smbconf
, targetdir
=ctx
.targetdir
, samdb_fill
=FILL_DRS
,
581 realm
=ctx
.realm
, rootdn
=ctx
.root_dn
, domaindn
=ctx
.base_dn
,
582 schemadn
=ctx
.schema_dn
,
583 configdn
=ctx
.config_dn
,
584 serverdn
=ctx
.server_dn
, domain
=ctx
.domain_name
,
585 hostname
=ctx
.myname
, domainsid
=ctx
.domsid
,
586 machinepass
=ctx
.acct_pass
, serverrole
="domain controller",
587 sitename
=ctx
.site
, lp
=ctx
.lp
, ntdsguid
=ctx
.ntds_guid
,
589 print "Provision OK for domain DN %s" % presult
.domaindn
590 ctx
.local_samdb
= presult
.samdb
592 ctx
.paths
= presult
.paths
593 ctx
.names
= presult
.names
595 def join_provision_own_domain(ctx
):
596 '''provision the local SAM'''
598 # we now operate exclusively on the local database, which
599 # we need to reopen in order to get the newly created schema
600 print("Reconnecting to local samdb")
601 ctx
.samdb
= SamDB(url
=ctx
.local_samdb
.url
,
602 session_info
=system_session(),
603 lp
=ctx
.local_samdb
.lp
,
605 ctx
.samdb
.set_invocation_id(str(ctx
.invocation_id
))
606 ctx
.local_samdb
= ctx
.samdb
608 print("Finding domain GUID from ncName")
609 res
= ctx
.local_samdb
.search(base
=ctx
.partition_dn
, scope
=ldb
.SCOPE_BASE
, attrs
=['ncName'],
610 controls
=["extended_dn:1:1"])
611 domguid
= str(misc
.GUID(ldb
.Dn(ctx
.samdb
, res
[0]['ncName'][0]).get_extended_component('GUID')))
612 print("Got domain GUID %s" % domguid
)
614 print("Calling own domain provision")
616 logger
= logging
.getLogger("provision")
617 logger
.addHandler(logging
.StreamHandler(sys
.stdout
))
619 secrets_ldb
= Ldb(ctx
.paths
.secrets
, session_info
=system_session(), lp
=ctx
.lp
)
621 presult
= provision_fill(ctx
.local_samdb
, secrets_ldb
,
622 logger
, ctx
.names
, ctx
.paths
, domainsid
=security
.dom_sid(ctx
.domsid
),
624 targetdir
=ctx
.targetdir
, samdb_fill
=FILL_SUBDOMAIN
,
625 machinepass
=ctx
.acct_pass
, serverrole
="domain controller",
626 lp
=ctx
.lp
, hostip
=ctx
.names
.hostip
, hostip6
=ctx
.names
.hostip6
,
627 dns_backend
="BIND9_FLATFILE")
628 print("Provision OK for domain %s" % ctx
.names
.dnsdomain
)
631 def join_replicate(ctx
):
632 '''replicate the SAM'''
634 print "Starting replication"
635 ctx
.local_samdb
.transaction_start()
637 source_dsa_invocation_id
= misc
.GUID(ctx
.samdb
.get_invocation_id())
638 if ctx
.ntds_guid
is None:
639 print("Using DS_BIND_GUID_W2K3")
640 destination_dsa_guid
= misc
.GUID(drsuapi
.DRSUAPI_DS_BIND_GUID_W2K3
)
642 destination_dsa_guid
= ctx
.ntds_guid
645 repl_creds
= Credentials()
646 repl_creds
.guess(ctx
.lp
)
647 repl_creds
.set_kerberos_state(DONT_USE_KERBEROS
)
648 repl_creds
.set_username(ctx
.samname
)
649 repl_creds
.set_password(ctx
.acct_pass
)
651 repl_creds
= ctx
.creds
653 binding_options
= "seal"
654 if int(ctx
.lp
.get("log level")) >= 5:
655 binding_options
+= ",print"
656 repl
= drs_utils
.drs_Replicate(
657 "ncacn_ip_tcp:%s[%s]" % (ctx
.server
, binding_options
),
658 ctx
.lp
, repl_creds
, ctx
.local_samdb
)
660 repl
.replicate(ctx
.schema_dn
, source_dsa_invocation_id
,
661 destination_dsa_guid
, schema
=True, rodc
=ctx
.RODC
,
662 replica_flags
=ctx
.replica_flags
)
663 repl
.replicate(ctx
.config_dn
, source_dsa_invocation_id
,
664 destination_dsa_guid
, rodc
=ctx
.RODC
,
665 replica_flags
=ctx
.replica_flags
)
666 if not ctx
.subdomain
:
667 repl
.replicate(ctx
.base_dn
, source_dsa_invocation_id
,
668 destination_dsa_guid
, rodc
=ctx
.RODC
,
669 replica_flags
=ctx
.domain_replica_flags
)
671 repl
.replicate(ctx
.acct_dn
, source_dsa_invocation_id
,
672 destination_dsa_guid
,
673 exop
=drsuapi
.DRSUAPI_EXOP_REPL_SECRET
, rodc
=True)
674 repl
.replicate(ctx
.new_krbtgt_dn
, source_dsa_invocation_id
,
675 destination_dsa_guid
,
676 exop
=drsuapi
.DRSUAPI_EXOP_REPL_SECRET
, rodc
=True)
678 ctx
.source_dsa_invocation_id
= source_dsa_invocation_id
679 ctx
.destination_dsa_guid
= destination_dsa_guid
681 print "Committing SAM database"
683 ctx
.local_samdb
.transaction_cancel()
686 ctx
.local_samdb
.transaction_commit()
689 def join_finalise(ctx
):
690 '''finalise the join, mark us synchronised and setup secrets db'''
692 print "Setting isSynchronized and dsServiceName"
694 m
.dn
= ldb
.Dn(ctx
.local_samdb
, '@ROOTDSE')
695 m
["isSynchronized"] = ldb
.MessageElement("TRUE", ldb
.FLAG_MOD_REPLACE
, "isSynchronized")
696 m
["dsServiceName"] = ldb
.MessageElement("<GUID=%s>" % str(ctx
.ntds_guid
),
697 ldb
.FLAG_MOD_REPLACE
, "dsServiceName")
698 ctx
.local_samdb
.modify(m
)
703 secrets_ldb
= Ldb(ctx
.paths
.secrets
, session_info
=system_session(), lp
=ctx
.lp
)
705 print "Setting up secrets database"
706 secretsdb_self_join(secrets_ldb
, domain
=ctx
.domain_name
,
708 dnsdomain
=ctx
.dnsdomain
,
709 netbiosname
=ctx
.myname
,
710 domainsid
=security
.dom_sid(ctx
.domsid
),
711 machinepass
=ctx
.acct_pass
,
712 secure_channel_type
=ctx
.secure_channel_type
,
713 key_version_number
=ctx
.key_version_number
)
715 def join_setup_trusts(ctx
):
716 '''provision the local SAM'''
718 def arcfour_encrypt(key
, data
):
719 from Crypto
.Cipher
import ARC4
721 return c
.encrypt(data
)
723 def string_to_array(string
):
724 blob
= [0] * len(string
)
726 for i
in range(len(string
)):
727 blob
[i
] = ord(string
[i
])
731 print "Setup domain trusts with server %s" % ctx
.server
732 binding_options
= "" # why doesn't signing work gere? w2k8r2 claims no session key
733 lsaconn
= lsa
.lsarpc("ncacn_np:%s[%s]" % (ctx
.server
, binding_options
),
736 objectAttr
= lsa
.ObjectAttribute()
737 objectAttr
.sec_qos
= lsa
.QosInfo()
739 pol_handle
= lsaconn
.OpenPolicy2(''.decode('utf-8'),
740 objectAttr
, security
.SEC_FLAG_MAXIMUM_ALLOWED
)
742 info
= lsa
.TrustDomainInfoInfoEx()
743 info
.domain_name
.string
= ctx
.dnsdomain
744 info
.netbios_name
.string
= ctx
.domain_name
745 info
.sid
= security
.dom_sid(ctx
.domsid
)
746 info
.trust_direction
= lsa
.LSA_TRUST_DIRECTION_INBOUND | lsa
.LSA_TRUST_DIRECTION_OUTBOUND
747 info
.trust_type
= lsa
.LSA_TRUST_TYPE_UPLEVEL
748 info
.trust_attributes
= lsa
.LSA_TRUST_ATTRIBUTE_WITHIN_FOREST
751 oldname
= lsa
.String()
752 oldname
.string
= ctx
.dnsdomain
753 oldinfo
= lsaconn
.QueryTrustedDomainInfoByName(pol_handle
, oldname
,
754 lsa
.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO
)
755 print("Removing old trust record for %s (SID %s)" % (ctx
.dnsdomain
, oldinfo
.info_ex
.sid
))
756 lsaconn
.DeleteTrustedDomain(pol_handle
, oldinfo
.info_ex
.sid
)
760 password_blob
= string_to_array(ctx
.trustdom_pass
.encode('utf-16-le'))
762 clear_value
= drsblobs
.AuthInfoClear()
763 clear_value
.size
= len(password_blob
)
764 clear_value
.password
= password_blob
766 clear_authentication_information
= drsblobs
.AuthenticationInformation()
767 clear_authentication_information
.LastUpdateTime
= samba
.unix2nttime(int(time
.time()))
768 clear_authentication_information
.AuthType
= lsa
.TRUST_AUTH_TYPE_CLEAR
769 clear_authentication_information
.AuthInfo
= clear_value
771 authentication_information_array
= drsblobs
.AuthenticationInformationArray()
772 authentication_information_array
.count
= 1
773 authentication_information_array
.array
= [clear_authentication_information
]
775 outgoing
= drsblobs
.trustAuthInOutBlob()
777 outgoing
.current
= authentication_information_array
779 trustpass
= drsblobs
.trustDomainPasswords()
780 confounder
= [3] * 512
783 confounder
[i
] = random
.randint(0, 255)
785 trustpass
.confounder
= confounder
787 trustpass
.outgoing
= outgoing
788 trustpass
.incoming
= outgoing
790 trustpass_blob
= ndr_pack(trustpass
)
792 encrypted_trustpass
= arcfour_encrypt(lsaconn
.session_key
, trustpass_blob
)
794 auth_blob
= lsa
.DATA_BUF2()
795 auth_blob
.size
= len(encrypted_trustpass
)
796 auth_blob
.data
= string_to_array(encrypted_trustpass
)
798 auth_info
= lsa
.TrustDomainInfoAuthInfoInternal()
799 auth_info
.auth_blob
= auth_blob
801 trustdom_handle
= lsaconn
.CreateTrustedDomainEx2(pol_handle
,
804 security
.SEC_STD_DELETE
)
807 "dn" : "cn=%s,cn=system,%s" % (ctx
.dnsforest
, ctx
.base_dn
),
808 "objectclass" : "trustedDomain",
809 "trustType" : str(info
.trust_type
),
810 "trustAttributes" : str(info
.trust_attributes
),
811 "trustDirection" : str(info
.trust_direction
),
812 "flatname" : ctx
.forest_domain_name
,
813 "trustPartner" : ctx
.dnsforest
,
814 "trustAuthIncoming" : ndr_pack(outgoing
),
815 "trustAuthOutgoing" : ndr_pack(outgoing
)
817 ctx
.local_samdb
.add(rec
)
820 "dn" : "cn=%s$,cn=users,%s" % (ctx
.forest_domain_name
, ctx
.base_dn
),
821 "objectclass" : "user",
822 "userAccountControl" : str(samba
.dsdb
.UF_INTERDOMAIN_TRUST_ACCOUNT
),
823 "clearTextPassword" : ctx
.trustdom_pass
.encode('utf-16-le')
825 ctx
.local_samdb
.add(rec
)
829 ctx
.cleanup_old_join()
831 ctx
.join_add_objects()
835 ctx
.join_add_objects2()
836 ctx
.join_provision_own_domain()
837 ctx
.join_setup_trusts()
840 print "Join failed - cleaning up"
841 ctx
.cleanup_old_join()
845 def join_RODC(server
=None, creds
=None, lp
=None, site
=None, netbios_name
=None,
846 targetdir
=None, domain
=None, domain_critical_only
=False):
849 ctx
= dc_join(server
, creds
, lp
, site
, netbios_name
, targetdir
, domain
)
851 lp
.set("workgroup", ctx
.domain_name
)
852 print("workgroup is %s" % ctx
.domain_name
)
854 lp
.set("realm", ctx
.realm
)
855 print("realm is %s" % ctx
.realm
)
857 ctx
.krbtgt_dn
= "CN=krbtgt_%s,CN=Users,%s" % (ctx
.myname
, ctx
.base_dn
)
859 # setup some defaults for accounts that should be replicated to this RODC
860 ctx
.never_reveal_sid
= [ "<SID=%s-%s>" % (ctx
.domsid
, security
.DOMAIN_RID_RODC_DENY
),
861 "<SID=%s>" % security
.SID_BUILTIN_ADMINISTRATORS
,
862 "<SID=%s>" % security
.SID_BUILTIN_SERVER_OPERATORS
,
863 "<SID=%s>" % security
.SID_BUILTIN_BACKUP_OPERATORS
,
864 "<SID=%s>" % security
.SID_BUILTIN_ACCOUNT_OPERATORS
]
865 ctx
.reveal_sid
= "<SID=%s-%s>" % (ctx
.domsid
, security
.DOMAIN_RID_RODC_ALLOW
)
867 mysid
= ctx
.get_mysid()
868 admin_dn
= "<SID=%s>" % mysid
869 ctx
.managedby
= admin_dn
871 ctx
.userAccountControl
= (samba
.dsdb
.UF_WORKSTATION_TRUST_ACCOUNT |
872 samba
.dsdb
.UF_TRUSTED_TO_AUTHENTICATE_FOR_DELEGATION |
873 samba
.dsdb
.UF_PARTIAL_SECRETS_ACCOUNT
)
875 ctx
.SPNs
.extend([ "RestrictedKrbHost/%s" % ctx
.myname
,
876 "RestrictedKrbHost/%s" % ctx
.dnshostname
])
878 ctx
.connection_dn
= "CN=RODC Connection (FRS),%s" % ctx
.ntds_dn
879 ctx
.secure_channel_type
= misc
.SEC_CHAN_RODC
881 ctx
.replica_flags
= (drsuapi
.DRSUAPI_DRS_INIT_SYNC |
882 drsuapi
.DRSUAPI_DRS_PER_SYNC |
883 drsuapi
.DRSUAPI_DRS_GET_ANC |
884 drsuapi
.DRSUAPI_DRS_NEVER_SYNCED |
885 drsuapi
.DRSUAPI_DRS_SPECIAL_SECRET_PROCESSING |
886 drsuapi
.DRSUAPI_DRS_GET_ALL_GROUP_MEMBERSHIP
)
887 ctx
.domain_replica_flags
= ctx
.replica_flags
888 if domain_critical_only
:
889 ctx
.domain_replica_flags |
= drsuapi
.DRSUAPI_DRS_CRITICAL_ONLY
894 print "Joined domain %s (SID %s) as an RODC" % (ctx
.domain_name
, ctx
.domsid
)
897 def join_DC(server
=None, creds
=None, lp
=None, site
=None, netbios_name
=None,
898 targetdir
=None, domain
=None, domain_critical_only
=False):
900 ctx
= dc_join(server
, creds
, lp
, site
, netbios_name
, targetdir
, domain
)
902 lp
.set("workgroup", ctx
.domain_name
)
903 print("workgroup is %s" % ctx
.domain_name
)
905 lp
.set("realm", ctx
.realm
)
906 print("realm is %s" % ctx
.realm
)
908 ctx
.userAccountControl
= samba
.dsdb
.UF_SERVER_TRUST_ACCOUNT | samba
.dsdb
.UF_TRUSTED_FOR_DELEGATION
910 ctx
.SPNs
.append('E3514235-4B06-11D1-AB04-00C04FC2DCD2/$NTDSGUID/%s' % ctx
.dnsdomain
)
911 ctx
.secure_channel_type
= misc
.SEC_CHAN_BDC
913 ctx
.replica_flags
= (drsuapi
.DRSUAPI_DRS_WRIT_REP |
914 drsuapi
.DRSUAPI_DRS_INIT_SYNC |
915 drsuapi
.DRSUAPI_DRS_PER_SYNC |
916 drsuapi
.DRSUAPI_DRS_FULL_SYNC_IN_PROGRESS |
917 drsuapi
.DRSUAPI_DRS_NEVER_SYNCED
)
918 ctx
.domain_replica_flags
= ctx
.replica_flags
919 if domain_critical_only
:
920 ctx
.domain_replica_flags |
= drsuapi
.DRSUAPI_DRS_CRITICAL_ONLY
923 print "Joined domain %s (SID %s) as a DC" % (ctx
.domain_name
, ctx
.domsid
)
925 def join_subdomain(server
=None, creds
=None, lp
=None, site
=None, netbios_name
=None,
926 targetdir
=None, parent_domain
=None, dnsdomain
=None, netbios_domain
=None):
928 ctx
= dc_join(server
, creds
, lp
, site
, netbios_name
, targetdir
, parent_domain
)
930 ctx
.parent_domain_name
= ctx
.domain_name
931 ctx
.domain_name
= netbios_domain
932 ctx
.realm
= dnsdomain
933 ctx
.parent_dnsdomain
= ctx
.dnsdomain
934 ctx
.parent_partition_dn
= ctx
.get_parent_partition_dn()
935 ctx
.dnsdomain
= dnsdomain
936 ctx
.partition_dn
= "CN=%s,CN=Partitions,%s" % (ctx
.domain_name
, ctx
.config_dn
)
937 ctx
.naming_master
= ctx
.get_naming_master()
938 if ctx
.naming_master
!= ctx
.server
:
939 print("Reconnecting to naming master %s" % ctx
.naming_master
)
940 ctx
.server
= ctx
.naming_master
941 ctx
.samdb
= SamDB(url
="ldap://%s" % ctx
.server
,
942 session_info
=system_session(),
943 credentials
=ctx
.creds
, lp
=ctx
.lp
)
945 ctx
.base_dn
= samba
.dn_from_dns_name(dnsdomain
)
946 ctx
.domsid
= str(security
.random_sid())
948 ctx
.dnshostname
= "%s.%s" % (ctx
.myname
, ctx
.dnsdomain
)
949 ctx
.trustdom_pass
= samba
.generate_random_password(128, 128)
951 ctx
.userAccountControl
= samba
.dsdb
.UF_SERVER_TRUST_ACCOUNT | samba
.dsdb
.UF_TRUSTED_FOR_DELEGATION
953 ctx
.SPNs
.append('E3514235-4B06-11D1-AB04-00C04FC2DCD2/$NTDSGUID/%s' % ctx
.dnsdomain
)
954 ctx
.secure_channel_type
= misc
.SEC_CHAN_BDC
956 ctx
.replica_flags
= (drsuapi
.DRSUAPI_DRS_WRIT_REP |
957 drsuapi
.DRSUAPI_DRS_INIT_SYNC |
958 drsuapi
.DRSUAPI_DRS_PER_SYNC |
959 drsuapi
.DRSUAPI_DRS_FULL_SYNC_IN_PROGRESS |
960 drsuapi
.DRSUAPI_DRS_NEVER_SYNCED
)
961 ctx
.domain_replica_flags
= ctx
.replica_flags
964 print "Created domain %s (SID %s) as a DC" % (ctx
.domain_name
, ctx
.domsid
)