source4/scripting/python/samba/join.py

   1 # python join code
   2 # Copyright Andrew Tridgell 2010
   3 # Copyright Andrew Bartlett 2010
   4 #
   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.
   9 #
  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.
  14 #
  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/>.
  17 #
  18
  19 """Joining a domain."""
  20
  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
  31 from samba.provision.sambadns import setup_bind9_dns
  32 import logging
  33 import talloc
  34 import random
  35 import time
  36
  37 # this makes debugging easier
  38 talloc.enable_null_tracking()
  39
  40 class DCJoinException(Exception):
  41
  42     def __init__(self, msg):
  43         super(DCJoinException, self).__init__("Can't join, error: %s" % msg)
  44
  45
  46 class dc_join(object):
  47     '''perform a DC join'''
  48
  49     def __init__(ctx, server=None, creds=None, lp=None, site=None,
  50                  netbios_name=None, targetdir=None, domain=None,
  51                  machinepass=None, use_ntvfs=False, dns_backend=None,
  52                  promote_existing=False):
  53         ctx.creds = creds
  54         ctx.lp = lp
  55         ctx.site = site
  56         ctx.netbios_name = netbios_name
  57         ctx.targetdir = targetdir
  58         ctx.use_ntvfs = use_ntvfs
  59         if dns_backend is None:
  60             ctx.dns_backend = "NONE"
  61         else:
  62             ctx.dns_backend = dns_backend
  63
  64         ctx.promote_existing = promote_existing
  65         ctx.promote_from_dn = None
  66
  67         ctx.nc_list = []
  68         ctx.full_nc_list = []
  69
  70         ctx.creds.set_gensec_features(creds.get_gensec_features() | gensec.FEATURE_SEAL)
  71         ctx.net = Net(creds=ctx.creds, lp=ctx.lp)
  72
  73         if server is not None:
  74             ctx.server = server
  75         else:
  76             print("Finding a writeable DC for domain '%s'" % domain)
  77             ctx.server = ctx.find_dc(domain)
  78             print("Found DC %s" % ctx.server)
  79
  80         ctx.samdb = SamDB(url="ldap://%s" % ctx.server,
  81                           session_info=system_session(),
  82                           credentials=ctx.creds, lp=ctx.lp)
  83
  84         try:
  85             ctx.samdb.search(scope=ldb.SCOPE_ONELEVEL, attrs=["dn"])
  86         except ldb.LdbError, (enum, estr):
  87             raise DCJoinException(estr)
  88
  89
  90         ctx.myname = netbios_name
  91         ctx.samname = "%s$" % ctx.myname
  92         ctx.base_dn = str(ctx.samdb.get_default_basedn())
  93         ctx.root_dn = str(ctx.samdb.get_root_basedn())
  94         ctx.schema_dn = str(ctx.samdb.get_schema_basedn())
  95         ctx.config_dn = str(ctx.samdb.get_config_basedn())
  96         ctx.domsid = ctx.samdb.get_domain_sid()
  97         ctx.domain_name = ctx.get_domain_name()
  98         ctx.forest_domain_name = ctx.get_forest_domain_name()
  99         ctx.invocation_id = misc.GUID(str(uuid.uuid4()))
 100
 101         ctx.dc_ntds_dn = ctx.samdb.get_dsServiceName()
 102         ctx.dc_dnsHostName = ctx.get_dnsHostName()
 103         ctx.behavior_version = ctx.get_behavior_version()
 104
 105         if machinepass is not None:
 106             ctx.acct_pass = machinepass
 107         else:
 108             ctx.acct_pass = samba.generate_random_password(32, 40)
 109
 110         # work out the DNs of all the objects we will be adding
 111         ctx.server_dn = "CN=%s,CN=Servers,CN=%s,CN=Sites,%s" % (ctx.myname, ctx.site, ctx.config_dn)
 112         ctx.ntds_dn = "CN=NTDS Settings,%s" % ctx.server_dn
 113         topology_base = "CN=Topology,CN=Domain System Volume,CN=DFSR-GlobalSettings,CN=System,%s" % ctx.base_dn
 114         if ctx.dn_exists(topology_base):
 115             ctx.topology_dn = "CN=%s,%s" % (ctx.myname, topology_base)
 116         else:
 117             ctx.topology_dn = None
 118
 119         ctx.dnsdomain = ctx.samdb.domain_dns_name()
 120         ctx.dnsforest = ctx.samdb.forest_dns_name()
 121         ctx.dnshostname = "%s.%s" % (ctx.myname, ctx.dnsdomain)
 122
 123         ctx.realm = ctx.dnsdomain
 124
 125         ctx.acct_dn = "CN=%s,OU=Domain Controllers,%s" % (ctx.myname, ctx.base_dn)
 126
 127         ctx.tmp_samdb = None
 128
 129         ctx.SPNs = [ "HOST/%s" % ctx.myname,
 130                      "HOST/%s" % ctx.dnshostname,
 131                      "GC/%s/%s" % (ctx.dnshostname, ctx.dnsforest) ]
 132
 133         # these elements are optional
 134         ctx.never_reveal_sid = None
 135         ctx.reveal_sid = None
 136         ctx.connection_dn = None
 137         ctx.RODC = False
 138         ctx.krbtgt_dn = None
 139         ctx.drsuapi = None
 140         ctx.managedby = None
 141         ctx.subdomain = False
 142
 143     def del_noerror(ctx, dn, recursive=False):
 144         if recursive:
 145             try:
 146                 res = ctx.samdb.search(base=dn, scope=ldb.SCOPE_ONELEVEL, attrs=["dn"])
 147             except Exception:
 148                 return
 149             for r in res:
 150                 ctx.del_noerror(r.dn, recursive=True)
 151         try:
 152             ctx.samdb.delete(dn)
 153             print "Deleted %s" % dn
 154         except Exception:
 155             pass
 156
 157     def cleanup_old_join(ctx):
 158         '''remove any DNs from a previous join'''
 159         try:
 160             # find the krbtgt link
 161             print("checking sAMAccountName")
 162             if ctx.subdomain:
 163                 res = None
 164             else:
 165                 res = ctx.samdb.search(base=ctx.samdb.get_default_basedn(),
 166                                        expression='sAMAccountName=%s' % ldb.binary_encode(ctx.samname),
 167                                        attrs=["msDS-krbTgtLink"])
 168                 if res:
 169                     ctx.del_noerror(res[0].dn, recursive=True)
 170             if ctx.connection_dn is not None:
 171                 ctx.del_noerror(ctx.connection_dn)
 172             if ctx.krbtgt_dn is not None:
 173                 ctx.del_noerror(ctx.krbtgt_dn)
 174             ctx.del_noerror(ctx.ntds_dn)
 175             ctx.del_noerror(ctx.server_dn, recursive=True)
 176             if ctx.topology_dn:
 177                 ctx.del_noerror(ctx.topology_dn)
 178             if ctx.partition_dn:
 179                 ctx.del_noerror(ctx.partition_dn)
 180             if res:
 181                 ctx.new_krbtgt_dn = res[0]["msDS-Krbtgtlink"][0]
 182                 ctx.del_noerror(ctx.new_krbtgt_dn)
 183
 184             if ctx.subdomain:
 185                 binding_options = "sign"
 186                 lsaconn = lsa.lsarpc("ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options),
 187                                      ctx.lp, ctx.creds)
 188
 189                 objectAttr = lsa.ObjectAttribute()
 190                 objectAttr.sec_qos = lsa.QosInfo()
 191
 192                 pol_handle = lsaconn.OpenPolicy2(''.decode('utf-8'),
 193                                                  objectAttr, security.SEC_FLAG_MAXIMUM_ALLOWED)
 194
 195                 name = lsa.String()
 196                 name.string = ctx.realm
 197                 info = lsaconn.QueryTrustedDomainInfoByName(pol_handle, name, lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO)
 198
 199                 lsaconn.DeleteTrustedDomain(pol_handle, info.info_ex.sid)
 200
 201                 name = lsa.String()
 202                 name.string = ctx.forest_domain_name
 203                 info = lsaconn.QueryTrustedDomainInfoByName(pol_handle, name, lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO)
 204
 205                 lsaconn.DeleteTrustedDomain(pol_handle, info.info_ex.sid)
 206
 207         except Exception:
 208             pass
 209
 210     def promote_possible(ctx):
 211         '''confirm that the account is just a bare NT4 BDC or a member server, so can be safely promoted'''
 212         if ctx.subdomain:
 213             # This shouldn't happen
 214             raise Exception("Can not promote into a subdomain")
 215
 216         res = ctx.samdb.search(base=ctx.samdb.get_default_basedn(),
 217                                expression='sAMAccountName=%s' % ldb.binary_encode(ctx.samname),
 218                                attrs=["msDS-krbTgtLink", "userAccountControl", "serverReferenceBL", "rIDSetReferences"])
 219         if len(res) == 0:
 220             raise Exception("Could not find domain member account '%s' to promote to a DC, use 'samba-tool domain join' instead'" % ctx.samname)
 221         if "msDS-krbTgtLink" in res[0] or "serverReferenceBL" in res[0] or "rIDSetReferences" in res[0]:
 222             raise Exception("Account '%s' appears to be an active DC, use 'samba-tool domain join' if you must re-create this account" % ctx.samname)
 223         if (int(res[0]["userAccountControl"][0]) & (samba.dsdb.UF_WORKSTATION_TRUST_ACCOUNT|samba.dsdb.UF_SERVER_TRUST_ACCOUNT) == 0):
 224             raise Exception("Account %s is not a domain member or a bare NT4 BDC, use 'samba-tool domain join' instead'" % ctx.samname)
 225
 226         ctx.promote_from_dn = res[0].dn
 227
 228
 229     def find_dc(ctx, domain):
 230         '''find a writeable DC for the given domain'''
 231         try:
 232             ctx.cldap_ret = ctx.net.finddc(domain=domain, flags=nbt.NBT_SERVER_LDAP | nbt.NBT_SERVER_DS | nbt.NBT_SERVER_WRITABLE)
 233         except Exception:
 234             raise Exception("Failed to find a writeable DC for domain '%s'" % domain)
 235         if ctx.cldap_ret.client_site is not None and ctx.cldap_ret.client_site != "":
 236             ctx.site = ctx.cldap_ret.client_site
 237         return ctx.cldap_ret.pdc_dns_name
 238
 239
 240     def get_behavior_version(ctx):
 241         res = ctx.samdb.search(base=ctx.base_dn, scope=ldb.SCOPE_BASE, attrs=["msDS-Behavior-Version"])
 242         if "msDS-Behavior-Version" in res[0]:
 243             return int(res[0]["msDS-Behavior-Version"][0])
 244         else:
 245             return samba.dsdb.DS_DOMAIN_FUNCTION_2000
 246
 247     def get_dnsHostName(ctx):
 248         res = ctx.samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["dnsHostName"])
 249         return res[0]["dnsHostName"][0]
 250
 251     def get_domain_name(ctx):
 252         '''get netbios name of the domain from the partitions record'''
 253         partitions_dn = ctx.samdb.get_partitions_dn()
 254         res = ctx.samdb.search(base=partitions_dn, scope=ldb.SCOPE_ONELEVEL, attrs=["nETBIOSName"],
 255                                expression='ncName=%s' % ctx.samdb.get_default_basedn())
 256         return res[0]["nETBIOSName"][0]
 257
 258     def get_forest_domain_name(ctx):
 259         '''get netbios name of the domain from the partitions record'''
 260         partitions_dn = ctx.samdb.get_partitions_dn()
 261         res = ctx.samdb.search(base=partitions_dn, scope=ldb.SCOPE_ONELEVEL, attrs=["nETBIOSName"],
 262                                expression='ncName=%s' % ctx.samdb.get_root_basedn())
 263         return res[0]["nETBIOSName"][0]
 264
 265     def get_parent_partition_dn(ctx):
 266         '''get the parent domain partition DN from parent DNS name'''
 267         res = ctx.samdb.search(base=ctx.config_dn, attrs=[],
 268                                expression='(&(objectclass=crossRef)(dnsRoot=%s)(systemFlags:%s:=%u))' %
 269                                (ctx.parent_dnsdomain, ldb.OID_COMPARATOR_AND, samba.dsdb.SYSTEM_FLAG_CR_NTDS_DOMAIN))
 270         return str(res[0].dn)
 271
 272     def get_naming_master(ctx):
 273         '''get the parent domain partition DN from parent DNS name'''
 274         res = ctx.samdb.search(base='CN=Partitions,%s' % ctx.config_dn, attrs=['fSMORoleOwner'],
 275                                scope=ldb.SCOPE_BASE, controls=["extended_dn:1:1"])
 276         if not 'fSMORoleOwner' in res[0]:
 277             raise DCJoinException("Can't find naming master on partition DN %s" % ctx.partition_dn)
 278         master_guid = str(misc.GUID(ldb.Dn(ctx.samdb, res[0]['fSMORoleOwner'][0]).get_extended_component('GUID')))
 279         master_host = '%s._msdcs.%s' % (master_guid, ctx.dnsforest)
 280         return master_host
 281
 282     def get_mysid(ctx):
 283         '''get the SID of the connected user. Only works with w2k8 and later,
 284            so only used for RODC join'''
 285         res = ctx.samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["tokenGroups"])
 286         binsid = res[0]["tokenGroups"][0]
 287         return ctx.samdb.schema_format_value("objectSID", binsid)
 288
 289     def dn_exists(ctx, dn):
 290         '''check if a DN exists'''
 291         try:
 292             res = ctx.samdb.search(base=dn, scope=ldb.SCOPE_BASE, attrs=[])
 293         except ldb.LdbError, (enum, estr):
 294             if enum == ldb.ERR_NO_SUCH_OBJECT:
 295                 return False
 296             raise
 297         return True
 298
 299     def add_krbtgt_account(ctx):
 300         '''RODCs need a special krbtgt account'''
 301         print "Adding %s" % ctx.krbtgt_dn
 302         rec = {
 303             "dn" : ctx.krbtgt_dn,
 304             "objectclass" : "user",
 305             "useraccountcontrol" : str(samba.dsdb.UF_NORMAL_ACCOUNT |
 306                                        samba.dsdb.UF_ACCOUNTDISABLE),
 307             "showinadvancedviewonly" : "TRUE",
 308             "description" : "krbtgt for %s" % ctx.samname}
 309         ctx.samdb.add(rec, ["rodc_join:1:1"])
 310
 311         # now we need to search for the samAccountName attribute on the krbtgt DN,
 312         # as this will have been magically set to the krbtgt number
 313         res = ctx.samdb.search(base=ctx.krbtgt_dn, scope=ldb.SCOPE_BASE, attrs=["samAccountName"])
 314         ctx.krbtgt_name = res[0]["samAccountName"][0]
 315
 316         print "Got krbtgt_name=%s" % ctx.krbtgt_name
 317
 318         m = ldb.Message()
 319         m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
 320         m["msDS-krbTgtLink"] = ldb.MessageElement(ctx.krbtgt_dn,
 321                                                   ldb.FLAG_MOD_REPLACE, "msDS-krbTgtLink")
 322         ctx.samdb.modify(m)
 323
 324         ctx.new_krbtgt_dn = "CN=%s,CN=Users,%s" % (ctx.krbtgt_name, ctx.base_dn)
 325         print "Renaming %s to %s" % (ctx.krbtgt_dn, ctx.new_krbtgt_dn)
 326         ctx.samdb.rename(ctx.krbtgt_dn, ctx.new_krbtgt_dn)
 327
 328     def drsuapi_connect(ctx):
 329         '''make a DRSUAPI connection to the naming master'''
 330         binding_options = "seal"
 331         if int(ctx.lp.get("log level")) >= 4:
 332             binding_options += ",print"
 333         binding_string = "ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options)
 334         ctx.drsuapi = drsuapi.drsuapi(binding_string, ctx.lp, ctx.creds)
 335         (ctx.drsuapi_handle, ctx.bind_supported_extensions) = drs_utils.drs_DsBind(ctx.drsuapi)
 336
 337     def create_tmp_samdb(ctx):
 338         '''create a temporary samdb object for schema queries'''
 339         ctx.tmp_schema = Schema(security.dom_sid(ctx.domsid),
 340                                 schemadn=ctx.schema_dn)
 341         ctx.tmp_samdb = SamDB(session_info=system_session(), url=None, auto_connect=False,
 342                               credentials=ctx.creds, lp=ctx.lp, global_schema=False,
 343                               am_rodc=False)
 344         ctx.tmp_samdb.set_schema(ctx.tmp_schema)
 345
 346     def build_DsReplicaAttribute(ctx, attrname, attrvalue):
 347         '''build a DsReplicaAttributeCtr object'''
 348         r = drsuapi.DsReplicaAttribute()
 349         r.attid = ctx.tmp_samdb.get_attid_from_lDAPDisplayName(attrname)
 350         r.value_ctr = 1
 351
 352
 353     def DsAddEntry(ctx, recs):
 354         '''add a record via the DRSUAPI DsAddEntry call'''
 355         if ctx.drsuapi is None:
 356             ctx.drsuapi_connect()
 357         if ctx.tmp_samdb is None:
 358             ctx.create_tmp_samdb()
 359
 360         objects = []
 361         for rec in recs:
 362             id = drsuapi.DsReplicaObjectIdentifier()
 363             id.dn = rec['dn']
 364
 365             attrs = []
 366             for a in rec:
 367                 if a == 'dn':
 368                     continue
 369                 if not isinstance(rec[a], list):
 370                     v = [rec[a]]
 371                 else:
 372                     v = rec[a]
 373                 rattr = ctx.tmp_samdb.dsdb_DsReplicaAttribute(ctx.tmp_samdb, a, v)
 374                 attrs.append(rattr)
 375
 376             attribute_ctr = drsuapi.DsReplicaAttributeCtr()
 377             attribute_ctr.num_attributes = len(attrs)
 378             attribute_ctr.attributes = attrs
 379
 380             object = drsuapi.DsReplicaObject()
 381             object.identifier = id
 382             object.attribute_ctr = attribute_ctr
 383
 384             list_object = drsuapi.DsReplicaObjectListItem()
 385             list_object.object = object
 386             objects.append(list_object)
 387
 388         req2 = drsuapi.DsAddEntryRequest2()
 389         req2.first_object = objects[0]
 390         prev = req2.first_object
 391         for o in objects[1:]:
 392             prev.next_object = o
 393             prev = o
 394
 395         (level, ctr) = ctx.drsuapi.DsAddEntry(ctx.drsuapi_handle, 2, req2)
 396         if level == 2:
 397             if ctr.dir_err != drsuapi.DRSUAPI_DIRERR_OK:
 398                 print("DsAddEntry failed with dir_err %u" % ctr.dir_err)
 399                 raise RuntimeError("DsAddEntry failed")
 400             if ctr.extended_err != (0, 'WERR_OK'):
 401                 print("DsAddEntry failed with status %s info %s" % (ctr.extended_err))
 402                 raise RuntimeError("DsAddEntry failed")
 403         if level == 3:
 404             if ctr.err_ver != 1:
 405                 raise RuntimeError("expected err_ver 1, got %u" % ctr.err_ver)
 406             if ctr.err_data.status != (0, 'WERR_OK'):
 407                 print("DsAddEntry failed with status %s info %s" % (ctr.err_data.status,
 408                                                                     ctr.err_data.info.extended_err))
 409                 raise RuntimeError("DsAddEntry failed")
 410             if ctr.err_data.dir_err != drsuapi.DRSUAPI_DIRERR_OK:
 411                 print("DsAddEntry failed with dir_err %u" % ctr.err_data.dir_err)
 412                 raise RuntimeError("DsAddEntry failed")
 413
 414         return ctr.objects
 415
 416     def join_add_ntdsdsa(ctx):
 417         '''add the ntdsdsa object'''
 418         # FIXME: the partition (NC) assignment has to be made dynamic
 419         print "Adding %s" % ctx.ntds_dn
 420         rec = {
 421             "dn" : ctx.ntds_dn,
 422             "objectclass" : "nTDSDSA",
 423             "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE),
 424             "dMDLocation" : ctx.schema_dn}
 425
 426         nc_list = [ ctx.base_dn, ctx.config_dn, ctx.schema_dn ]
 427
 428         if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 429             rec["msDS-Behavior-Version"] = str(samba.dsdb.DS_DOMAIN_FUNCTION_2008_R2)
 430
 431         if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 432             rec["msDS-HasDomainNCs"] = ctx.base_dn
 433
 434         if ctx.RODC:
 435             rec["objectCategory"] = "CN=NTDS-DSA-RO,%s" % ctx.schema_dn
 436             rec["msDS-HasFullReplicaNCs"] = ctx.nc_list
 437             rec["options"] = "37"
 438             ctx.samdb.add(rec, ["rodc_join:1:1"])
 439         else:
 440             rec["objectCategory"] = "CN=NTDS-DSA,%s" % ctx.schema_dn
 441             rec["HasMasterNCs"]      = nc_list
 442             if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 443                 rec["msDS-HasMasterNCs"] = ctx.nc_list
 444             rec["options"] = "1"
 445             rec["invocationId"] = ndr_pack(ctx.invocation_id)
 446             ctx.DsAddEntry([rec])
 447
 448         # find the GUID of our NTDS DN
 449         res = ctx.samdb.search(base=ctx.ntds_dn, scope=ldb.SCOPE_BASE, attrs=["objectGUID"])
 450         ctx.ntds_guid = misc.GUID(ctx.samdb.schema_format_value("objectGUID", res[0]["objectGUID"][0]))
 451
 452     def join_add_objects(ctx):
 453         '''add the various objects needed for the join'''
 454         if ctx.acct_dn:
 455             print "Adding %s" % ctx.acct_dn
 456             rec = {
 457                 "dn" : ctx.acct_dn,
 458                 "objectClass": "computer",
 459                 "displayname": ctx.samname,
 460                 "samaccountname" : ctx.samname,
 461                 "userAccountControl" : str(ctx.userAccountControl | samba.dsdb.UF_ACCOUNTDISABLE),
 462                 "dnshostname" : ctx.dnshostname}
 463             if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2008:
 464                 rec['msDS-SupportedEncryptionTypes'] = str(samba.dsdb.ENC_ALL_TYPES)
 465             elif ctx.promote_existing:
 466                 rec['msDS-SupportedEncryptionTypes'] = []
 467             if ctx.managedby:
 468                 rec["managedby"] = ctx.managedby
 469             elif ctx.promote_existing:
 470                 rec["managedby"] = []
 471
 472             if ctx.never_reveal_sid:
 473                 rec["msDS-NeverRevealGroup"] = ctx.never_reveal_sid
 474             elif ctx.promote_existing:
 475                 rec["msDS-NeverRevealGroup"] = []
 476
 477             if ctx.reveal_sid:
 478                 rec["msDS-RevealOnDemandGroup"] = ctx.reveal_sid
 479             elif ctx.promote_existing:
 480                 rec["msDS-RevealOnDemandGroup"] = []
 481
 482             if ctx.promote_existing:
 483                 if ctx.promote_from_dn != ctx.acct_dn:
 484                     ctx.samdb.rename(ctx.promote_from_dn, ctx.acct_dn)
 485                 ctx.samdb.modify(ldb.Message.from_dict(ctx.samdb, rec, ldb.FLAG_MOD_REPLACE))
 486             else:
 487                 ctx.samdb.add(rec)
 488
 489         if ctx.krbtgt_dn:
 490             ctx.add_krbtgt_account()
 491
 492         print "Adding %s" % ctx.server_dn
 493         rec = {
 494             "dn": ctx.server_dn,
 495             "objectclass" : "server",
 496             # windows uses 50000000 decimal for systemFlags. A windows hex/decimal mixup bug?
 497             "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_CONFIG_ALLOW_RENAME |
 498                                 samba.dsdb.SYSTEM_FLAG_CONFIG_ALLOW_LIMITED_MOVE |
 499                                 samba.dsdb.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE),
 500             # windows seems to add the dnsHostName later
 501             "dnsHostName" : ctx.dnshostname}
 502
 503         if ctx.acct_dn:
 504             rec["serverReference"] = ctx.acct_dn
 505
 506         ctx.samdb.add(rec)
 507
 508         if ctx.subdomain:
 509             # the rest is done after replication
 510             ctx.ntds_guid = None
 511             return
 512
 513         ctx.join_add_ntdsdsa()
 514
 515         if ctx.connection_dn is not None:
 516             print "Adding %s" % ctx.connection_dn
 517             rec = {
 518                 "dn" : ctx.connection_dn,
 519                 "objectclass" : "nTDSConnection",
 520                 "enabledconnection" : "TRUE",
 521                 "options" : "65",
 522                 "fromServer" : ctx.dc_ntds_dn}
 523             ctx.samdb.add(rec)
 524
 525         if ctx.acct_dn:
 526             print "Adding SPNs to %s" % ctx.acct_dn
 527             m = ldb.Message()
 528             m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
 529             for i in range(len(ctx.SPNs)):
 530                 ctx.SPNs[i] = ctx.SPNs[i].replace("$NTDSGUID", str(ctx.ntds_guid))
 531             m["servicePrincipalName"] = ldb.MessageElement(ctx.SPNs,
 532                                                            ldb.FLAG_MOD_REPLACE,
 533                                                            "servicePrincipalName")
 534             ctx.samdb.modify(m)
 535
 536             # The account password set operation should normally be done over
 537             # LDAP. Windows 2000 DCs however allow this only with SSL
 538             # connections which are hard to set up and otherwise refuse with
 539             # ERR_UNWILLING_TO_PERFORM. In this case we fall back to libnet
 540             # over SAMR.
 541             print "Setting account password for %s" % ctx.samname
 542             try:
 543                 ctx.samdb.setpassword("(&(objectClass=user)(sAMAccountName=%s))"
 544                                       % ldb.binary_encode(ctx.samname),
 545                                       ctx.acct_pass,
 546                                       force_change_at_next_login=False,
 547                                       username=ctx.samname)
 548             except ldb.LdbError, (num, _):
 549                 if num != ldb.ERR_UNWILLING_TO_PERFORM:
 550                     pass
 551                 ctx.net.set_password(account_name=ctx.samname,
 552                                      domain_name=ctx.domain_name,
 553                                      newpassword=ctx.acct_pass)
 554
 555             res = ctx.samdb.search(base=ctx.acct_dn, scope=ldb.SCOPE_BASE,
 556                                    attrs=["msDS-KeyVersionNumber"])
 557             if "msDS-KeyVersionNumber" in res[0]:
 558                 ctx.key_version_number = int(res[0]["msDS-KeyVersionNumber"][0])
 559             else:
 560                 ctx.key_version_number = None
 561
 562             print("Enabling account")
 563             m = ldb.Message()
 564             m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
 565             m["userAccountControl"] = ldb.MessageElement(str(ctx.userAccountControl),
 566                                                          ldb.FLAG_MOD_REPLACE,
 567                                                          "userAccountControl")
 568             ctx.samdb.modify(m)
 569
 570     def join_add_objects2(ctx):
 571         '''add the various objects needed for the join, for subdomains post replication'''
 572
 573         print "Adding %s" % ctx.partition_dn
 574         # NOTE: windows sends a ntSecurityDescriptor here, we
 575         # let it default
 576         rec = {
 577             "dn" : ctx.partition_dn,
 578             "objectclass" : "crossRef",
 579             "objectCategory" : "CN=Cross-Ref,%s" % ctx.schema_dn,
 580             "nCName" : ctx.base_dn,
 581             "nETBIOSName" : ctx.domain_name,
 582             "dnsRoot": ctx.dnsdomain,
 583             "trustParent" : ctx.parent_partition_dn,
 584             "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_CR_NTDS_NC|samba.dsdb.SYSTEM_FLAG_CR_NTDS_DOMAIN)}
 585         if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 586             rec["msDS-Behavior-Version"] = str(ctx.behavior_version)
 587
 588         rec2 = {
 589             "dn" : ctx.ntds_dn,
 590             "objectclass" : "nTDSDSA",
 591             "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE),
 592             "dMDLocation" : ctx.schema_dn}
 593
 594         nc_list = [ ctx.base_dn, ctx.config_dn, ctx.schema_dn ]
 595
 596         if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 597             rec2["msDS-Behavior-Version"] = str(ctx.behavior_version)
 598
 599         if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 600             rec2["msDS-HasDomainNCs"] = ctx.base_dn
 601
 602         rec2["objectCategory"] = "CN=NTDS-DSA,%s" % ctx.schema_dn
 603         rec2["HasMasterNCs"]      = nc_list
 604         if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 605             rec2["msDS-HasMasterNCs"] = ctx.nc_list
 606         rec2["options"] = "1"
 607         rec2["invocationId"] = ndr_pack(ctx.invocation_id)
 608
 609         objects = ctx.DsAddEntry([rec, rec2])
 610         if len(objects) != 2:
 611             raise DCJoinException("Expected 2 objects from DsAddEntry")
 612
 613         ctx.ntds_guid = objects[1].guid
 614
 615         print("Replicating partition DN")
 616         ctx.repl.replicate(ctx.partition_dn,
 617                            misc.GUID("00000000-0000-0000-0000-000000000000"),
 618                            ctx.ntds_guid,
 619                            exop=drsuapi.DRSUAPI_EXOP_REPL_OBJ,
 620                            replica_flags=drsuapi.DRSUAPI_DRS_WRIT_REP)
 621
 622         print("Replicating NTDS DN")
 623         ctx.repl.replicate(ctx.ntds_dn,
 624                            misc.GUID("00000000-0000-0000-0000-000000000000"),
 625                            ctx.ntds_guid,
 626                            exop=drsuapi.DRSUAPI_EXOP_REPL_OBJ,
 627                            replica_flags=drsuapi.DRSUAPI_DRS_WRIT_REP)
 628
 629     def join_provision(ctx):
 630         '''provision the local SAM'''
 631
 632         print "Calling bare provision"
 633
 634         logger = logging.getLogger("provision")
 635         logger.addHandler(logging.StreamHandler(sys.stdout))
 636         smbconf = ctx.lp.configfile
 637
 638         presult = provision(logger, system_session(), None, smbconf=smbconf,
 639                 targetdir=ctx.targetdir, samdb_fill=FILL_DRS, realm=ctx.realm,
 640                 rootdn=ctx.root_dn, domaindn=ctx.base_dn,
 641                 schemadn=ctx.schema_dn, configdn=ctx.config_dn,
 642                 serverdn=ctx.server_dn, domain=ctx.domain_name,
 643                 hostname=ctx.myname, domainsid=ctx.domsid,
 644                 machinepass=ctx.acct_pass, serverrole="domain controller",
 645                 sitename=ctx.site, lp=ctx.lp, ntdsguid=ctx.ntds_guid,
 646                 use_ntvfs=ctx.use_ntvfs, dns_backend=ctx.dns_backend)
 647         print "Provision OK for domain DN %s" % presult.domaindn
 648         ctx.local_samdb = presult.samdb
 649         ctx.lp          = presult.lp
 650         ctx.paths       = presult.paths
 651         ctx.names       = presult.names
 652
 653     def join_provision_own_domain(ctx):
 654         '''provision the local SAM'''
 655
 656         # we now operate exclusively on the local database, which
 657         # we need to reopen in order to get the newly created schema
 658         print("Reconnecting to local samdb")
 659         ctx.samdb = SamDB(url=ctx.local_samdb.url,
 660                           session_info=system_session(),
 661                           lp=ctx.local_samdb.lp,
 662                           global_schema=False)
 663         ctx.samdb.set_invocation_id(str(ctx.invocation_id))
 664         ctx.local_samdb = ctx.samdb
 665
 666         print("Finding domain GUID from ncName")
 667         res = ctx.local_samdb.search(base=ctx.partition_dn, scope=ldb.SCOPE_BASE, attrs=['ncName'],
 668                                      controls=["extended_dn:1:1"])
 669         domguid = str(misc.GUID(ldb.Dn(ctx.samdb, res[0]['ncName'][0]).get_extended_component('GUID')))
 670         print("Got domain GUID %s" % domguid)
 671
 672         print("Calling own domain provision")
 673
 674         logger = logging.getLogger("provision")
 675         logger.addHandler(logging.StreamHandler(sys.stdout))
 676
 677         secrets_ldb = Ldb(ctx.paths.secrets, session_info=system_session(), lp=ctx.lp)
 678
 679         presult = provision_fill(ctx.local_samdb, secrets_ldb,
 680                                  logger, ctx.names, ctx.paths, domainsid=security.dom_sid(ctx.domsid),
 681                                  domainguid=domguid,
 682                                  targetdir=ctx.targetdir, samdb_fill=FILL_SUBDOMAIN,
 683                                  machinepass=ctx.acct_pass, serverrole="domain controller",
 684                                  lp=ctx.lp, hostip=ctx.names.hostip, hostip6=ctx.names.hostip6,
 685                                  dns_backend=ctx.dns_backend)
 686         print("Provision OK for domain %s" % ctx.names.dnsdomain)
 687
 688     def join_replicate(ctx):
 689         '''replicate the SAM'''
 690
 691         print "Starting replication"
 692         ctx.local_samdb.transaction_start()
 693         try:
 694             source_dsa_invocation_id = misc.GUID(ctx.samdb.get_invocation_id())
 695             if ctx.ntds_guid is None:
 696                 print("Using DS_BIND_GUID_W2K3")
 697                 destination_dsa_guid = misc.GUID(drsuapi.DRSUAPI_DS_BIND_GUID_W2K3)
 698             else:
 699                 destination_dsa_guid = ctx.ntds_guid
 700
 701             if ctx.RODC:
 702                 repl_creds = Credentials()
 703                 repl_creds.guess(ctx.lp)
 704                 repl_creds.set_kerberos_state(DONT_USE_KERBEROS)
 705                 repl_creds.set_username(ctx.samname)
 706                 repl_creds.set_password(ctx.acct_pass)
 707             else:
 708                 repl_creds = ctx.creds
 709
 710             binding_options = "seal"
 711             if int(ctx.lp.get("log level")) >= 5:
 712                 binding_options += ",print"
 713             repl = drs_utils.drs_Replicate(
 714                 "ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options),
 715                 ctx.lp, repl_creds, ctx.local_samdb)
 716
 717             repl.replicate(ctx.schema_dn, source_dsa_invocation_id,
 718                     destination_dsa_guid, schema=True, rodc=ctx.RODC,
 719                     replica_flags=ctx.replica_flags)
 720             repl.replicate(ctx.config_dn, source_dsa_invocation_id,
 721                     destination_dsa_guid, rodc=ctx.RODC,
 722                     replica_flags=ctx.replica_flags)
 723             if not ctx.subdomain:
 724                 # Replicate first the critical object for the basedn
 725                 if not ctx.domain_replica_flags & drsuapi.DRSUAPI_DRS_CRITICAL_ONLY:
 726                     print "Replicating critical objects from the base DN of the domain"
 727                     ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY | drsuapi.DRSUAPI_DRS_GET_ANC
 728                     repl.replicate(ctx.base_dn, source_dsa_invocation_id,
 729                                 destination_dsa_guid, rodc=ctx.RODC,
 730                                 replica_flags=ctx.domain_replica_flags)
 731                     ctx.domain_replica_flags ^= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY | drsuapi.DRSUAPI_DRS_GET_ANC
 732                 else:
 733                     ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_GET_ANC
 734                 repl.replicate(ctx.base_dn, source_dsa_invocation_id,
 735                                destination_dsa_guid, rodc=ctx.RODC,
 736                                replica_flags=ctx.domain_replica_flags)
 737
 738             if 'DC=DomainDnsZones,%s' % ctx.base_dn in ctx.nc_list:
 739                 repl.replicate('DC=DomainDnsZones,%s' % ctx.base_dn, source_dsa_invocation_id,
 740                                destination_dsa_guid, rodc=ctx.RODC,
 741                                replica_flags=ctx.replica_flags)
 742
 743             if 'DC=ForestDnsZones,%s' % ctx.root_dn in ctx.nc_list:
 744                 repl.replicate('DC=ForestDnsZones,%s' % ctx.root_dn, source_dsa_invocation_id,
 745                                destination_dsa_guid, rodc=ctx.RODC,
 746                                replica_flags=ctx.replica_flags)
 747
 748             if ctx.RODC:
 749                 repl.replicate(ctx.acct_dn, source_dsa_invocation_id,
 750                         destination_dsa_guid,
 751                         exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET, rodc=True)
 752                 repl.replicate(ctx.new_krbtgt_dn, source_dsa_invocation_id,
 753                         destination_dsa_guid,
 754                         exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET, rodc=True)
 755             ctx.repl = repl
 756             ctx.source_dsa_invocation_id = source_dsa_invocation_id
 757             ctx.destination_dsa_guid = destination_dsa_guid
 758
 759             print "Committing SAM database"
 760         except:
 761             ctx.local_samdb.transaction_cancel()
 762             raise
 763         else:
 764             ctx.local_samdb.transaction_commit()
 765
 766     def send_DsReplicaUpdateRefs(ctx, dn):
 767         r = drsuapi.DsReplicaUpdateRefsRequest1()
 768         r.naming_context = drsuapi.DsReplicaObjectIdentifier()
 769         r.naming_context.dn = str(dn)
 770         r.naming_context.guid = misc.GUID("00000000-0000-0000-0000-000000000000")
 771         r.naming_context.sid = security.dom_sid("S-0-0")
 772         r.dest_dsa_guid = ctx.ntds_guid
 773         r.dest_dsa_dns_name = "%s._msdcs.%s" % (str(ctx.ntds_guid), ctx.dnsforest)
 774         r.options = drsuapi.DRSUAPI_DRS_ADD_REF | drsuapi.DRSUAPI_DRS_DEL_REF
 775         if not ctx.RODC:
 776             r.options |= drsuapi.DRSUAPI_DRS_WRIT_REP
 777
 778         if ctx.drsuapi:
 779             ctx.drsuapi.DsReplicaUpdateRefs(ctx.drsuapi_handle, 1, r)
 780
 781     def join_finalise(ctx):
 782         '''finalise the join, mark us synchronised and setup secrets db'''
 783
 784         logger = logging.getLogger("provision")
 785         logger.addHandler(logging.StreamHandler(sys.stdout))
 786
 787         print "Sending DsReplicateUpdateRefs for all the partitions"
 788         for nc in ctx.full_nc_list:
 789             ctx.send_DsReplicaUpdateRefs(nc)
 790
 791         if ctx.RODC:
 792             print "Setting RODC invocationId"
 793             ctx.local_samdb.set_invocation_id(str(ctx.invocation_id))
 794             ctx.local_samdb.set_opaque_integer("domainFunctionality",
 795                                                ctx.behavior_version)
 796             m = ldb.Message()
 797             m.dn = ldb.Dn(ctx.local_samdb, "%s" % ctx.ntds_dn)
 798             m["invocationId"] = ldb.MessageElement(ndr_pack(ctx.invocation_id),
 799                                                    ldb.FLAG_MOD_REPLACE,
 800                                                    "invocationId")
 801             ctx.local_samdb.modify(m)
 802
 803             # Note: as RODC the invocationId is only stored
 804             # on the RODC itself, the other DCs never see it.
 805             #
 806             # Thats is why we fix up the replPropertyMetaData stamp
 807             # for the 'invocationId' attribute, we need to change
 808             # the 'version' to '0', this is what windows 2008r2 does as RODC
 809             #
 810             # This means if the object on a RWDC ever gets a invocationId
 811             # attribute, it will have version '1' (or higher), which will
 812             # will overwrite the RODC local value.
 813             ctx.local_samdb.set_attribute_replmetadata_version(m.dn,
 814                                                                "invocationId",
 815                                                                0)
 816
 817         print "Setting isSynchronized and dsServiceName"
 818         m = ldb.Message()
 819         m.dn = ldb.Dn(ctx.local_samdb, '@ROOTDSE')
 820         m["isSynchronized"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_REPLACE, "isSynchronized")
 821         m["dsServiceName"] = ldb.MessageElement("<GUID=%s>" % str(ctx.ntds_guid),
 822                                                 ldb.FLAG_MOD_REPLACE, "dsServiceName")
 823         ctx.local_samdb.modify(m)
 824
 825         if ctx.subdomain:
 826             return
 827
 828         secrets_ldb = Ldb(ctx.paths.secrets, session_info=system_session(), lp=ctx.lp)
 829
 830         print "Setting up secrets database"
 831         secretsdb_self_join(secrets_ldb, domain=ctx.domain_name,
 832                             realm=ctx.realm,
 833                             dnsdomain=ctx.dnsdomain,
 834                             netbiosname=ctx.myname,
 835                             domainsid=security.dom_sid(ctx.domsid),
 836                             machinepass=ctx.acct_pass,
 837                             secure_channel_type=ctx.secure_channel_type,
 838                             key_version_number=ctx.key_version_number)
 839
 840         if ctx.dns_backend.startswith("BIND9_"):
 841             dnspass = samba.generate_random_password(128, 255)
 842
 843             setup_bind9_dns(ctx.local_samdb, secrets_ldb, security.dom_sid(ctx.domsid),
 844                             ctx.names, ctx.paths, ctx.lp, logger,
 845                             dns_backend=ctx.dns_backend,
 846                             dnspass=dnspass, os_level=ctx.behavior_version,
 847                             targetdir=ctx.targetdir)
 848
 849     def join_setup_trusts(ctx):
 850         '''provision the local SAM'''
 851
 852         def arcfour_encrypt(key, data):
 853             from Crypto.Cipher import ARC4
 854             c = ARC4.new(key)
 855             return c.encrypt(data)
 856
 857         def string_to_array(string):
 858             blob = [0] * len(string)
 859
 860             for i in range(len(string)):
 861                 blob[i] = ord(string[i])
 862
 863             return blob
 864
 865         print "Setup domain trusts with server %s" % ctx.server
 866         binding_options = ""  # why doesn't signing work here? w2k8r2 claims no session key
 867         lsaconn = lsa.lsarpc("ncacn_np:%s[%s]" % (ctx.server, binding_options),
 868                              ctx.lp, ctx.creds)
 869
 870         objectAttr = lsa.ObjectAttribute()
 871         objectAttr.sec_qos = lsa.QosInfo()
 872
 873         pol_handle = lsaconn.OpenPolicy2(''.decode('utf-8'),
 874                                          objectAttr, security.SEC_FLAG_MAXIMUM_ALLOWED)
 875
 876         info = lsa.TrustDomainInfoInfoEx()
 877         info.domain_name.string = ctx.dnsdomain
 878         info.netbios_name.string = ctx.domain_name
 879         info.sid = security.dom_sid(ctx.domsid)
 880         info.trust_direction = lsa.LSA_TRUST_DIRECTION_INBOUND | lsa.LSA_TRUST_DIRECTION_OUTBOUND
 881         info.trust_type = lsa.LSA_TRUST_TYPE_UPLEVEL
 882         info.trust_attributes = lsa.LSA_TRUST_ATTRIBUTE_WITHIN_FOREST
 883
 884         try:
 885             oldname = lsa.String()
 886             oldname.string = ctx.dnsdomain
 887             oldinfo = lsaconn.QueryTrustedDomainInfoByName(pol_handle, oldname,
 888                                                            lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO)
 889             print("Removing old trust record for %s (SID %s)" % (ctx.dnsdomain, oldinfo.info_ex.sid))
 890             lsaconn.DeleteTrustedDomain(pol_handle, oldinfo.info_ex.sid)
 891         except RuntimeError:
 892             pass
 893
 894         password_blob = string_to_array(ctx.trustdom_pass.encode('utf-16-le'))
 895
 896         clear_value = drsblobs.AuthInfoClear()
 897         clear_value.size = len(password_blob)
 898         clear_value.password = password_blob
 899
 900         clear_authentication_information = drsblobs.AuthenticationInformation()
 901         clear_authentication_information.LastUpdateTime = samba.unix2nttime(int(time.time()))
 902         clear_authentication_information.AuthType = lsa.TRUST_AUTH_TYPE_CLEAR
 903         clear_authentication_information.AuthInfo = clear_value
 904
 905         authentication_information_array = drsblobs.AuthenticationInformationArray()
 906         authentication_information_array.count = 1
 907         authentication_information_array.array = [clear_authentication_information]
 908
 909         outgoing = drsblobs.trustAuthInOutBlob()
 910         outgoing.count = 1
 911         outgoing.current = authentication_information_array
 912
 913         trustpass = drsblobs.trustDomainPasswords()
 914         confounder = [3] * 512
 915
 916         for i in range(512):
 917             confounder[i] = random.randint(0, 255)
 918
 919         trustpass.confounder = confounder
 920
 921         trustpass.outgoing = outgoing
 922         trustpass.incoming = outgoing
 923
 924         trustpass_blob = ndr_pack(trustpass)
 925
 926         encrypted_trustpass = arcfour_encrypt(lsaconn.session_key, trustpass_blob)
 927
 928         auth_blob = lsa.DATA_BUF2()
 929         auth_blob.size = len(encrypted_trustpass)
 930         auth_blob.data = string_to_array(encrypted_trustpass)
 931
 932         auth_info = lsa.TrustDomainInfoAuthInfoInternal()
 933         auth_info.auth_blob = auth_blob
 934
 935         trustdom_handle = lsaconn.CreateTrustedDomainEx2(pol_handle,
 936                                                          info,
 937                                                          auth_info,
 938                                                          security.SEC_STD_DELETE)
 939
 940         rec = {
 941             "dn" : "cn=%s,cn=system,%s" % (ctx.dnsforest, ctx.base_dn),
 942             "objectclass" : "trustedDomain",
 943             "trustType" : str(info.trust_type),
 944             "trustAttributes" : str(info.trust_attributes),
 945             "trustDirection" : str(info.trust_direction),
 946             "flatname" : ctx.forest_domain_name,
 947             "trustPartner" : ctx.dnsforest,
 948             "trustAuthIncoming" : ndr_pack(outgoing),
 949             "trustAuthOutgoing" : ndr_pack(outgoing)
 950             }
 951         ctx.local_samdb.add(rec)
 952
 953         rec = {
 954             "dn" : "cn=%s$,cn=users,%s" % (ctx.forest_domain_name, ctx.base_dn),
 955             "objectclass" : "user",
 956             "userAccountControl" : str(samba.dsdb.UF_INTERDOMAIN_TRUST_ACCOUNT),
 957             "clearTextPassword" : ctx.trustdom_pass.encode('utf-16-le')
 958             }
 959         ctx.local_samdb.add(rec)
 960
 961
 962     def do_join(ctx):
 963         ctx.nc_list = [ ctx.config_dn, ctx.schema_dn ]
 964         ctx.full_nc_list = [ctx.base_dn, ctx.config_dn, ctx.schema_dn ]
 965
 966         if not ctx.subdomain:
 967             ctx.nc_list += [ctx.base_dn]
 968             if ctx.dns_backend != "NONE":
 969                 ctx.nc_list += ['DC=DomainDnsZones,%s' % ctx.base_dn]
 970
 971         if ctx.dns_backend != "NONE":
 972             ctx.full_nc_list += ['DC=DomainDnsZones,%s' % ctx.base_dn]
 973             ctx.full_nc_list += ['DC=ForestDnsZones,%s' % ctx.root_dn]
 974             ctx.nc_list += ['DC=ForestDnsZones,%s' % ctx.root_dn]
 975
 976         if ctx.promote_existing:
 977             ctx.promote_possible()
 978         else:
 979             ctx.cleanup_old_join()
 980
 981         try:
 982             ctx.join_add_objects()
 983             ctx.join_provision()
 984             ctx.join_replicate()
 985             if ctx.subdomain:
 986                 ctx.join_add_objects2()
 987                 ctx.join_provision_own_domain()
 988                 ctx.join_setup_trusts()
 989             ctx.join_finalise()
 990         except:
 991             print "Join failed - cleaning up"
 992             ctx.cleanup_old_join()
 993             raise
 994
 995
 996 def join_RODC(server=None, creds=None, lp=None, site=None, netbios_name=None,
 997               targetdir=None, domain=None, domain_critical_only=False,
 998               machinepass=None, use_ntvfs=False, dns_backend=None,
 999               promote_existing=False):
1000     """join as a RODC"""
1001
1002     ctx = dc_join(server, creds, lp, site, netbios_name, targetdir, domain,
1003                   machinepass, use_ntvfs, dns_backend, promote_existing)
1004
1005     lp.set("workgroup", ctx.domain_name)
1006     print("workgroup is %s" % ctx.domain_name)
1007
1008     lp.set("realm", ctx.realm)
1009     print("realm is %s" % ctx.realm)
1010
1011     ctx.krbtgt_dn = "CN=krbtgt_%s,CN=Users,%s" % (ctx.myname, ctx.base_dn)
1012
1013     # setup some defaults for accounts that should be replicated to this RODC
1014     ctx.never_reveal_sid = [ "<SID=%s-%s>" % (ctx.domsid, security.DOMAIN_RID_RODC_DENY),
1015                              "<SID=%s>" % security.SID_BUILTIN_ADMINISTRATORS,
1016                              "<SID=%s>" % security.SID_BUILTIN_SERVER_OPERATORS,
1017                              "<SID=%s>" % security.SID_BUILTIN_BACKUP_OPERATORS,
1018                              "<SID=%s>" % security.SID_BUILTIN_ACCOUNT_OPERATORS ]
1019     ctx.reveal_sid = "<SID=%s-%s>" % (ctx.domsid, security.DOMAIN_RID_RODC_ALLOW)
1020
1021     mysid = ctx.get_mysid()
1022     admin_dn = "<SID=%s>" % mysid
1023     ctx.managedby = admin_dn
1024
1025     ctx.userAccountControl = (samba.dsdb.UF_WORKSTATION_TRUST_ACCOUNT |
1026                               samba.dsdb.UF_TRUSTED_TO_AUTHENTICATE_FOR_DELEGATION |
1027                               samba.dsdb.UF_PARTIAL_SECRETS_ACCOUNT)
1028
1029     ctx.SPNs.extend([ "RestrictedKrbHost/%s" % ctx.myname,
1030                       "RestrictedKrbHost/%s" % ctx.dnshostname ])
1031
1032     ctx.connection_dn = "CN=RODC Connection (FRS),%s" % ctx.ntds_dn
1033     ctx.secure_channel_type = misc.SEC_CHAN_RODC
1034     ctx.RODC = True
1035     ctx.replica_flags  =  (drsuapi.DRSUAPI_DRS_INIT_SYNC |
1036                            drsuapi.DRSUAPI_DRS_PER_SYNC |
1037                            drsuapi.DRSUAPI_DRS_GET_ANC |
1038                            drsuapi.DRSUAPI_DRS_NEVER_SYNCED |
1039                            drsuapi.DRSUAPI_DRS_SPECIAL_SECRET_PROCESSING |
1040                            drsuapi.DRSUAPI_DRS_GET_ALL_GROUP_MEMBERSHIP)
1041     ctx.domain_replica_flags = ctx.replica_flags
1042     if domain_critical_only:
1043         ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY
1044
1045     ctx.do_join()
1046
1047
1048     print "Joined domain %s (SID %s) as an RODC" % (ctx.domain_name, ctx.domsid)
1049
1050
1051 def join_DC(server=None, creds=None, lp=None, site=None, netbios_name=None,
1052             targetdir=None, domain=None, domain_critical_only=False,
1053             machinepass=None, use_ntvfs=False, dns_backend=None,
1054             promote_existing=False):
1055     """join as a DC"""
1056     ctx = dc_join(server, creds, lp, site, netbios_name, targetdir, domain,
1057                   machinepass, use_ntvfs, dns_backend, promote_existing)
1058
1059     lp.set("workgroup", ctx.domain_name)
1060     print("workgroup is %s" % ctx.domain_name)
1061
1062     lp.set("realm", ctx.realm)
1063     print("realm is %s" % ctx.realm)
1064
1065     ctx.userAccountControl = samba.dsdb.UF_SERVER_TRUST_ACCOUNT | samba.dsdb.UF_TRUSTED_FOR_DELEGATION
1066
1067     ctx.SPNs.append('E3514235-4B06-11D1-AB04-00C04FC2DCD2/$NTDSGUID/%s' % ctx.dnsdomain)
1068     ctx.secure_channel_type = misc.SEC_CHAN_BDC
1069
1070     ctx.replica_flags = (drsuapi.DRSUAPI_DRS_WRIT_REP |
1071                          drsuapi.DRSUAPI_DRS_INIT_SYNC |
1072                          drsuapi.DRSUAPI_DRS_PER_SYNC |
1073                          drsuapi.DRSUAPI_DRS_FULL_SYNC_IN_PROGRESS |
1074                          drsuapi.DRSUAPI_DRS_NEVER_SYNCED)
1075     ctx.domain_replica_flags = ctx.replica_flags
1076     if domain_critical_only:
1077         ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY
1078
1079     ctx.do_join()
1080     print "Joined domain %s (SID %s) as a DC" % (ctx.domain_name, ctx.domsid)
1081
1082 def join_subdomain(server=None, creds=None, lp=None, site=None, netbios_name=None,
1083                    targetdir=None, parent_domain=None, dnsdomain=None, netbios_domain=None,
1084                    machinepass=None, use_ntvfs=False, dns_backend=None):
1085     """join as a DC"""
1086     ctx = dc_join(server, creds, lp, site, netbios_name, targetdir, parent_domain,
1087                   machinepass, use_ntvfs, dns_backend)
1088     ctx.subdomain = True
1089     ctx.parent_domain_name = ctx.domain_name
1090     ctx.domain_name = netbios_domain
1091     ctx.realm = dnsdomain
1092     ctx.parent_dnsdomain = ctx.dnsdomain
1093     ctx.parent_partition_dn = ctx.get_parent_partition_dn()
1094     ctx.dnsdomain = dnsdomain
1095     ctx.partition_dn = "CN=%s,CN=Partitions,%s" % (ctx.domain_name, ctx.config_dn)
1096     ctx.naming_master = ctx.get_naming_master()
1097     if ctx.naming_master != ctx.server:
1098         print("Reconnecting to naming master %s" % ctx.naming_master)
1099         ctx.server = ctx.naming_master
1100         ctx.samdb = SamDB(url="ldap://%s" % ctx.server,
1101                           session_info=system_session(),
1102                           credentials=ctx.creds, lp=ctx.lp)
1103
1104     ctx.base_dn = samba.dn_from_dns_name(dnsdomain)
1105     ctx.domsid = str(security.random_sid())
1106     ctx.acct_dn = None
1107     ctx.dnshostname = "%s.%s" % (ctx.myname, ctx.dnsdomain)
1108     ctx.trustdom_pass = samba.generate_random_password(128, 128)
1109
1110     ctx.userAccountControl = samba.dsdb.UF_SERVER_TRUST_ACCOUNT | samba.dsdb.UF_TRUSTED_FOR_DELEGATION
1111
1112     ctx.SPNs.append('E3514235-4B06-11D1-AB04-00C04FC2DCD2/$NTDSGUID/%s' % ctx.dnsdomain)
1113     ctx.secure_channel_type = misc.SEC_CHAN_BDC
1114
1115     ctx.replica_flags = (drsuapi.DRSUAPI_DRS_WRIT_REP |
1116                          drsuapi.DRSUAPI_DRS_INIT_SYNC |
1117                          drsuapi.DRSUAPI_DRS_PER_SYNC |
1118                          drsuapi.DRSUAPI_DRS_FULL_SYNC_IN_PROGRESS |
1119                          drsuapi.DRSUAPI_DRS_NEVER_SYNCED)
1120     ctx.domain_replica_flags = ctx.replica_flags
1121
1122     ctx.do_join()
1123     print "Created domain %s (SID %s) as a DC" % (ctx.domain_name, ctx.domsid)