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, arcfour_encrypt, string_to_byte_array
  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.dsdb import DS_DOMAIN_FUNCTION_2003
  28 from samba.credentials import Credentials, DONT_USE_KERBEROS
  29 from samba.provision import secretsdb_self_join, provision, provision_fill, FILL_DRS, FILL_SUBDOMAIN
  30 from samba.provision.common import setup_path
  31 from samba.schema import Schema
  32 from samba import descriptor
  33 from samba.net import Net
  34 from samba.provision.sambadns import setup_bind9_dns
  35 from samba import read_and_sub_file
  36 from samba import werror
  37 from base64 import b64encode
  38 import logging
  39 import talloc
  40 import random
  41 import time
  42
  43 class DCJoinException(Exception):
  44
  45     def __init__(self, msg):
  46         super(DCJoinException, self).__init__("Can't join, error: %s" % msg)
  47
  48
  49 class dc_join(object):
  50     """Perform a DC join."""
  51
  52     def __init__(ctx, logger=None, server=None, creds=None, lp=None, site=None,
  53                  netbios_name=None, targetdir=None, domain=None,
  54                  machinepass=None, use_ntvfs=False, dns_backend=None,
  55                  promote_existing=False, clone_only=False):
  56         ctx.clone_only=clone_only
  57
  58         ctx.logger = logger
  59         ctx.creds = creds
  60         ctx.lp = lp
  61         ctx.site = site
  62         ctx.targetdir = targetdir
  63         ctx.use_ntvfs = use_ntvfs
  64
  65         ctx.promote_existing = promote_existing
  66         ctx.promote_from_dn = None
  67
  68         ctx.nc_list = []
  69         ctx.full_nc_list = []
  70
  71         ctx.creds.set_gensec_features(creds.get_gensec_features() | gensec.FEATURE_SEAL)
  72         ctx.net = Net(creds=ctx.creds, lp=ctx.lp)
  73
  74         if server is not None:
  75             ctx.server = server
  76         else:
  77             ctx.logger.info("Finding a writeable DC for domain '%s'" % domain)
  78             ctx.server = ctx.find_dc(domain)
  79             ctx.logger.info("Found DC %s" % ctx.server)
  80
  81         ctx.samdb = SamDB(url="ldap://%s" % ctx.server,
  82                           session_info=system_session(),
  83                           credentials=ctx.creds, lp=ctx.lp)
  84
  85         try:
  86             ctx.samdb.search(scope=ldb.SCOPE_ONELEVEL, attrs=["dn"])
  87         except ldb.LdbError, (enum, estr):
  88             raise DCJoinException(estr)
  89
  90
  91         ctx.base_dn = str(ctx.samdb.get_default_basedn())
  92         ctx.root_dn = str(ctx.samdb.get_root_basedn())
  93         ctx.schema_dn = str(ctx.samdb.get_schema_basedn())
  94         ctx.config_dn = str(ctx.samdb.get_config_basedn())
  95         ctx.domsid = security.dom_sid(ctx.samdb.get_domain_sid())
  96         ctx.forestsid = ctx.domsid
  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_machine_password(128, 255)
 109
 110         ctx.dnsdomain = ctx.samdb.domain_dns_name()
 111         if clone_only:
 112             # As we don't want to create or delete these DNs, we set them to None
 113             ctx.server_dn = None
 114             ctx.ntds_dn = None
 115             ctx.acct_dn = None
 116             ctx.myname = ctx.server.split('.')[0]
 117             ctx.ntds_guid = None
 118             ctx.rid_manager_dn = None
 119
 120             # Save this early
 121             ctx.remote_dc_ntds_guid = ctx.samdb.get_ntds_GUID()
 122         else:
 123             # work out the DNs of all the objects we will be adding
 124             ctx.myname = netbios_name
 125             ctx.samname = "%s$" % ctx.myname
 126             ctx.server_dn = "CN=%s,CN=Servers,CN=%s,CN=Sites,%s" % (ctx.myname, ctx.site, ctx.config_dn)
 127             ctx.ntds_dn = "CN=NTDS Settings,%s" % ctx.server_dn
 128             ctx.acct_dn = "CN=%s,OU=Domain Controllers,%s" % (ctx.myname, ctx.base_dn)
 129             ctx.dnshostname = "%s.%s" % (ctx.myname.lower(), ctx.dnsdomain)
 130             ctx.dnsforest = ctx.samdb.forest_dns_name()
 131
 132             topology_base = "CN=Topology,CN=Domain System Volume,CN=DFSR-GlobalSettings,CN=System,%s" % ctx.base_dn
 133             if ctx.dn_exists(topology_base):
 134                 ctx.topology_dn = "CN=%s,%s" % (ctx.myname, topology_base)
 135             else:
 136                 ctx.topology_dn = None
 137
 138             ctx.SPNs = [ "HOST/%s" % ctx.myname,
 139                          "HOST/%s" % ctx.dnshostname,
 140                          "GC/%s/%s" % (ctx.dnshostname, ctx.dnsforest) ]
 141
 142             res_rid_manager = ctx.samdb.search(scope=ldb.SCOPE_BASE,
 143                                                attrs=["rIDManagerReference"],
 144                                                base=ctx.base_dn)
 145
 146             ctx.rid_manager_dn = res_rid_manager[0]["rIDManagerReference"][0]
 147
 148         ctx.domaindns_zone = 'DC=DomainDnsZones,%s' % ctx.base_dn
 149         ctx.forestdns_zone = 'DC=ForestDnsZones,%s' % ctx.root_dn
 150
 151         expr = "(&(objectClass=crossRef)(ncName=%s))" % ldb.binary_encode(ctx.domaindns_zone)
 152         res_domaindns = ctx.samdb.search(scope=ldb.SCOPE_ONELEVEL,
 153                                          attrs=[],
 154                                          base=ctx.samdb.get_partitions_dn(),
 155                                          expression=expr)
 156         if dns_backend is None:
 157             ctx.dns_backend = "NONE"
 158         else:
 159             if len(res_domaindns) == 0:
 160                 ctx.dns_backend = "NONE"
 161                 print "NO DNS zone information found in source domain, not replicating DNS"
 162             else:
 163                 ctx.dns_backend = dns_backend
 164
 165         ctx.realm = ctx.dnsdomain
 166
 167         ctx.tmp_samdb = None
 168
 169         ctx.replica_flags = (drsuapi.DRSUAPI_DRS_INIT_SYNC |
 170                              drsuapi.DRSUAPI_DRS_PER_SYNC |
 171                              drsuapi.DRSUAPI_DRS_GET_ANC |
 172                              drsuapi.DRSUAPI_DRS_GET_NC_SIZE |
 173                              drsuapi.DRSUAPI_DRS_NEVER_SYNCED)
 174
 175         # these elements are optional
 176         ctx.never_reveal_sid = None
 177         ctx.reveal_sid = None
 178         ctx.connection_dn = None
 179         ctx.RODC = False
 180         ctx.krbtgt_dn = None
 181         ctx.drsuapi = None
 182         ctx.managedby = None
 183         ctx.subdomain = False
 184         ctx.adminpass = None
 185         ctx.partition_dn = None
 186
 187     def del_noerror(ctx, dn, recursive=False):
 188         if recursive:
 189             try:
 190                 res = ctx.samdb.search(base=dn, scope=ldb.SCOPE_ONELEVEL, attrs=["dn"])
 191             except Exception:
 192                 return
 193             for r in res:
 194                 ctx.del_noerror(r.dn, recursive=True)
 195         try:
 196             ctx.samdb.delete(dn)
 197             print "Deleted %s" % dn
 198         except Exception:
 199             pass
 200
 201     def cleanup_old_accounts(ctx):
 202         res = ctx.samdb.search(base=ctx.samdb.get_default_basedn(),
 203                                expression='sAMAccountName=%s' % ldb.binary_encode(ctx.samname),
 204                                attrs=["msDS-krbTgtLink", "objectSID"])
 205         if len(res) == 0:
 206             return
 207
 208         creds = Credentials()
 209         creds.guess(ctx.lp)
 210         try:
 211             creds.set_machine_account(ctx.lp)
 212             machine_samdb = SamDB(url="ldap://%s" % ctx.server,
 213                                   session_info=system_session(),
 214                                 credentials=creds, lp=ctx.lp)
 215         except:
 216             pass
 217         else:
 218             token_res = machine_samdb.search(scope=ldb.SCOPE_BASE, base="", attrs=["tokenGroups"])
 219             if token_res[0]["tokenGroups"][0] \
 220                == res[0]["objectSID"][0]:
 221                 raise DCJoinException("Not removing account %s which "
 222                                    "looks like a Samba DC account "
 223                                    "maching the password we already have.  "
 224                                    "To override, remove secrets.ldb and secrets.tdb"
 225                                 % ctx.samname)
 226
 227         ctx.del_noerror(res[0].dn, recursive=True)
 228
 229         if "msDS-Krbtgtlink" in res[0]:
 230             new_krbtgt_dn = res[0]["msDS-Krbtgtlink"][0]
 231             ctx.del_noerror(ctx.new_krbtgt_dn)
 232
 233         res = ctx.samdb.search(base=ctx.samdb.get_default_basedn(),
 234                                expression='(&(sAMAccountName=%s)(servicePrincipalName=%s))' %
 235                                (ldb.binary_encode("dns-%s" % ctx.myname),
 236                                 ldb.binary_encode("dns/%s" % ctx.dnshostname)),
 237                                attrs=[])
 238         if res:
 239             ctx.del_noerror(res[0].dn, recursive=True)
 240
 241         res = ctx.samdb.search(base=ctx.samdb.get_default_basedn(),
 242                                expression='(sAMAccountName=%s)' % ldb.binary_encode("dns-%s" % ctx.myname),
 243                             attrs=[])
 244         if res:
 245             raise DCJoinException("Not removing account %s which looks like "
 246                                "a Samba DNS service account but does not "
 247                                "have servicePrincipalName=%s" %
 248                                (ldb.binary_encode("dns-%s" % ctx.myname),
 249                                 ldb.binary_encode("dns/%s" % ctx.dnshostname)))
 250
 251
 252     def cleanup_old_join(ctx):
 253         """Remove any DNs from a previous join."""
 254         # find the krbtgt link
 255         if not ctx.subdomain:
 256             ctx.cleanup_old_accounts()
 257
 258         if ctx.connection_dn is not None:
 259             ctx.del_noerror(ctx.connection_dn)
 260         if ctx.krbtgt_dn is not None:
 261             ctx.del_noerror(ctx.krbtgt_dn)
 262         ctx.del_noerror(ctx.ntds_dn)
 263         ctx.del_noerror(ctx.server_dn, recursive=True)
 264         if ctx.topology_dn:
 265             ctx.del_noerror(ctx.topology_dn)
 266         if ctx.partition_dn:
 267             ctx.del_noerror(ctx.partition_dn)
 268
 269         if ctx.subdomain:
 270             binding_options = "sign"
 271             lsaconn = lsa.lsarpc("ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options),
 272                                  ctx.lp, ctx.creds)
 273
 274             objectAttr = lsa.ObjectAttribute()
 275             objectAttr.sec_qos = lsa.QosInfo()
 276
 277             pol_handle = lsaconn.OpenPolicy2(''.decode('utf-8'),
 278                                              objectAttr, security.SEC_FLAG_MAXIMUM_ALLOWED)
 279
 280             name = lsa.String()
 281             name.string = ctx.realm
 282             info = lsaconn.QueryTrustedDomainInfoByName(pol_handle, name, lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO)
 283
 284             lsaconn.DeleteTrustedDomain(pol_handle, info.info_ex.sid)
 285
 286             name = lsa.String()
 287             name.string = ctx.forest_domain_name
 288             info = lsaconn.QueryTrustedDomainInfoByName(pol_handle, name, lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO)
 289
 290             lsaconn.DeleteTrustedDomain(pol_handle, info.info_ex.sid)
 291
 292
 293     def promote_possible(ctx):
 294         """confirm that the account is just a bare NT4 BDC or a member server, so can be safely promoted"""
 295         if ctx.subdomain:
 296             # This shouldn't happen
 297             raise Exception("Can not promote into a subdomain")
 298
 299         res = ctx.samdb.search(base=ctx.samdb.get_default_basedn(),
 300                                expression='sAMAccountName=%s' % ldb.binary_encode(ctx.samname),
 301                                attrs=["msDS-krbTgtLink", "userAccountControl", "serverReferenceBL", "rIDSetReferences"])
 302         if len(res) == 0:
 303             raise Exception("Could not find domain member account '%s' to promote to a DC, use 'samba-tool domain join' instead'" % ctx.samname)
 304         if "msDS-krbTgtLink" in res[0] or "serverReferenceBL" in res[0] or "rIDSetReferences" in res[0]:
 305             raise Exception("Account '%s' appears to be an active DC, use 'samba-tool domain join' if you must re-create this account" % ctx.samname)
 306         if (int(res[0]["userAccountControl"][0]) & (samba.dsdb.UF_WORKSTATION_TRUST_ACCOUNT|samba.dsdb.UF_SERVER_TRUST_ACCOUNT) == 0):
 307             raise Exception("Account %s is not a domain member or a bare NT4 BDC, use 'samba-tool domain join' instead'" % ctx.samname)
 308
 309         ctx.promote_from_dn = res[0].dn
 310
 311
 312     def find_dc(ctx, domain):
 313         """find a writeable DC for the given domain"""
 314         try:
 315             ctx.cldap_ret = ctx.net.finddc(domain=domain, flags=nbt.NBT_SERVER_LDAP | nbt.NBT_SERVER_DS | nbt.NBT_SERVER_WRITABLE)
 316         except Exception:
 317             raise Exception("Failed to find a writeable DC for domain '%s'" % domain)
 318         if ctx.cldap_ret.client_site is not None and ctx.cldap_ret.client_site != "":
 319             ctx.site = ctx.cldap_ret.client_site
 320         return ctx.cldap_ret.pdc_dns_name
 321
 322
 323     def get_behavior_version(ctx):
 324         res = ctx.samdb.search(base=ctx.base_dn, scope=ldb.SCOPE_BASE, attrs=["msDS-Behavior-Version"])
 325         if "msDS-Behavior-Version" in res[0]:
 326             return int(res[0]["msDS-Behavior-Version"][0])
 327         else:
 328             return samba.dsdb.DS_DOMAIN_FUNCTION_2000
 329
 330     def get_dnsHostName(ctx):
 331         res = ctx.samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["dnsHostName"])
 332         return res[0]["dnsHostName"][0]
 333
 334     def get_domain_name(ctx):
 335         '''get netbios name of the domain from the partitions record'''
 336         partitions_dn = ctx.samdb.get_partitions_dn()
 337         res = ctx.samdb.search(base=partitions_dn, scope=ldb.SCOPE_ONELEVEL, attrs=["nETBIOSName"],
 338                                expression='ncName=%s' % ldb.binary_encode(str(ctx.samdb.get_default_basedn())))
 339         return res[0]["nETBIOSName"][0]
 340
 341     def get_forest_domain_name(ctx):
 342         '''get netbios name of the domain from the partitions record'''
 343         partitions_dn = ctx.samdb.get_partitions_dn()
 344         res = ctx.samdb.search(base=partitions_dn, scope=ldb.SCOPE_ONELEVEL, attrs=["nETBIOSName"],
 345                                expression='ncName=%s' % ldb.binary_encode(str(ctx.samdb.get_root_basedn())))
 346         return res[0]["nETBIOSName"][0]
 347
 348     def get_parent_partition_dn(ctx):
 349         '''get the parent domain partition DN from parent DNS name'''
 350         res = ctx.samdb.search(base=ctx.config_dn, attrs=[],
 351                                expression='(&(objectclass=crossRef)(dnsRoot=%s)(systemFlags:%s:=%u))' %
 352                                (ldb.binary_encode(ctx.parent_dnsdomain),
 353                                 ldb.OID_COMPARATOR_AND, samba.dsdb.SYSTEM_FLAG_CR_NTDS_DOMAIN))
 354         return str(res[0].dn)
 355
 356     def get_naming_master(ctx):
 357         '''get the parent domain partition DN from parent DNS name'''
 358         res = ctx.samdb.search(base='CN=Partitions,%s' % ctx.config_dn, attrs=['fSMORoleOwner'],
 359                                scope=ldb.SCOPE_BASE, controls=["extended_dn:1:1"])
 360         if not 'fSMORoleOwner' in res[0]:
 361             raise DCJoinException("Can't find naming master on partition DN %s in %s" % (ctx.partition_dn, ctx.samdb.url))
 362         try:
 363             master_guid = str(misc.GUID(ldb.Dn(ctx.samdb, res[0]['fSMORoleOwner'][0]).get_extended_component('GUID')))
 364         except KeyError:
 365             raise DCJoinException("Can't find GUID in naming master on partition DN %s" % res[0]['fSMORoleOwner'][0])
 366
 367         master_host = '%s._msdcs.%s' % (master_guid, ctx.dnsforest)
 368         return master_host
 369
 370     def get_mysid(ctx):
 371         '''get the SID of the connected user. Only works with w2k8 and later,
 372            so only used for RODC join'''
 373         res = ctx.samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["tokenGroups"])
 374         binsid = res[0]["tokenGroups"][0]
 375         return ctx.samdb.schema_format_value("objectSID", binsid)
 376
 377     def dn_exists(ctx, dn):
 378         '''check if a DN exists'''
 379         try:
 380             res = ctx.samdb.search(base=dn, scope=ldb.SCOPE_BASE, attrs=[])
 381         except ldb.LdbError, (enum, estr):
 382             if enum == ldb.ERR_NO_SUCH_OBJECT:
 383                 return False
 384             raise
 385         return True
 386
 387     def add_krbtgt_account(ctx):
 388         '''RODCs need a special krbtgt account'''
 389         print "Adding %s" % ctx.krbtgt_dn
 390         rec = {
 391             "dn" : ctx.krbtgt_dn,
 392             "objectclass" : "user",
 393             "useraccountcontrol" : str(samba.dsdb.UF_NORMAL_ACCOUNT |
 394                                        samba.dsdb.UF_ACCOUNTDISABLE),
 395             "showinadvancedviewonly" : "TRUE",
 396             "description" : "krbtgt for %s" % ctx.samname}
 397         ctx.samdb.add(rec, ["rodc_join:1:1"])
 398
 399         # now we need to search for the samAccountName attribute on the krbtgt DN,
 400         # as this will have been magically set to the krbtgt number
 401         res = ctx.samdb.search(base=ctx.krbtgt_dn, scope=ldb.SCOPE_BASE, attrs=["samAccountName"])
 402         ctx.krbtgt_name = res[0]["samAccountName"][0]
 403
 404         print "Got krbtgt_name=%s" % ctx.krbtgt_name
 405
 406         m = ldb.Message()
 407         m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
 408         m["msDS-krbTgtLink"] = ldb.MessageElement(ctx.krbtgt_dn,
 409                                                   ldb.FLAG_MOD_REPLACE, "msDS-krbTgtLink")
 410         ctx.samdb.modify(m)
 411
 412         ctx.new_krbtgt_dn = "CN=%s,CN=Users,%s" % (ctx.krbtgt_name, ctx.base_dn)
 413         print "Renaming %s to %s" % (ctx.krbtgt_dn, ctx.new_krbtgt_dn)
 414         ctx.samdb.rename(ctx.krbtgt_dn, ctx.new_krbtgt_dn)
 415
 416     def drsuapi_connect(ctx):
 417         '''make a DRSUAPI connection to the naming master'''
 418         binding_options = "seal"
 419         if ctx.lp.log_level() >= 4:
 420             binding_options += ",print"
 421         binding_string = "ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options)
 422         ctx.drsuapi = drsuapi.drsuapi(binding_string, ctx.lp, ctx.creds)
 423         (ctx.drsuapi_handle, ctx.bind_supported_extensions) = drs_utils.drs_DsBind(ctx.drsuapi)
 424
 425     def create_tmp_samdb(ctx):
 426         '''create a temporary samdb object for schema queries'''
 427         ctx.tmp_schema = Schema(ctx.domsid,
 428                                 schemadn=ctx.schema_dn)
 429         ctx.tmp_samdb = SamDB(session_info=system_session(), url=None, auto_connect=False,
 430                               credentials=ctx.creds, lp=ctx.lp, global_schema=False,
 431                               am_rodc=False)
 432         ctx.tmp_samdb.set_schema(ctx.tmp_schema)
 433
 434     def build_DsReplicaAttribute(ctx, attrname, attrvalue):
 435         '''build a DsReplicaAttributeCtr object'''
 436         r = drsuapi.DsReplicaAttribute()
 437         r.attid = ctx.tmp_samdb.get_attid_from_lDAPDisplayName(attrname)
 438         r.value_ctr = 1
 439
 440
 441     def DsAddEntry(ctx, recs):
 442         '''add a record via the DRSUAPI DsAddEntry call'''
 443         if ctx.drsuapi is None:
 444             ctx.drsuapi_connect()
 445         if ctx.tmp_samdb is None:
 446             ctx.create_tmp_samdb()
 447
 448         objects = []
 449         for rec in recs:
 450             id = drsuapi.DsReplicaObjectIdentifier()
 451             id.dn = rec['dn']
 452
 453             attrs = []
 454             for a in rec:
 455                 if a == 'dn':
 456                     continue
 457                 if not isinstance(rec[a], list):
 458                     v = [rec[a]]
 459                 else:
 460                     v = rec[a]
 461                 rattr = ctx.tmp_samdb.dsdb_DsReplicaAttribute(ctx.tmp_samdb, a, v)
 462                 attrs.append(rattr)
 463
 464             attribute_ctr = drsuapi.DsReplicaAttributeCtr()
 465             attribute_ctr.num_attributes = len(attrs)
 466             attribute_ctr.attributes = attrs
 467
 468             object = drsuapi.DsReplicaObject()
 469             object.identifier = id
 470             object.attribute_ctr = attribute_ctr
 471
 472             list_object = drsuapi.DsReplicaObjectListItem()
 473             list_object.object = object
 474             objects.append(list_object)
 475
 476         req2 = drsuapi.DsAddEntryRequest2()
 477         req2.first_object = objects[0]
 478         prev = req2.first_object
 479         for o in objects[1:]:
 480             prev.next_object = o
 481             prev = o
 482
 483         (level, ctr) = ctx.drsuapi.DsAddEntry(ctx.drsuapi_handle, 2, req2)
 484         if level == 2:
 485             if ctr.dir_err != drsuapi.DRSUAPI_DIRERR_OK:
 486                 print("DsAddEntry failed with dir_err %u" % ctr.dir_err)
 487                 raise RuntimeError("DsAddEntry failed")
 488             if ctr.extended_err[0] != werror.WERR_SUCCESS:
 489                 print("DsAddEntry failed with status %s info %s" % (ctr.extended_err))
 490                 raise RuntimeError("DsAddEntry failed")
 491         if level == 3:
 492             if ctr.err_ver != 1:
 493                 raise RuntimeError("expected err_ver 1, got %u" % ctr.err_ver)
 494             if ctr.err_data.status[0] != werror.WERR_SUCCESS:
 495                 if ctr.err_data.info is None:
 496                     print("DsAddEntry failed with status %s, info omitted" % (ctr.err_data.status[1]))
 497                 else:
 498                     print("DsAddEntry failed with status %s info %s" % (ctr.err_data.status[1],
 499                                                                         ctr.err_data.info.extended_err))
 500                 raise RuntimeError("DsAddEntry failed")
 501             if ctr.err_data.dir_err != drsuapi.DRSUAPI_DIRERR_OK:
 502                 print("DsAddEntry failed with dir_err %u" % ctr.err_data.dir_err)
 503                 raise RuntimeError("DsAddEntry failed")
 504
 505         return ctr.objects
 506
 507     def join_ntdsdsa_obj(ctx):
 508         '''return the ntdsdsa object to add'''
 509
 510         print "Adding %s" % ctx.ntds_dn
 511         rec = {
 512             "dn" : ctx.ntds_dn,
 513             "objectclass" : "nTDSDSA",
 514             "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE),
 515             "dMDLocation" : ctx.schema_dn}
 516
 517         nc_list = [ ctx.base_dn, ctx.config_dn, ctx.schema_dn ]
 518
 519         if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 520             rec["msDS-Behavior-Version"] = str(samba.dsdb.DS_DOMAIN_FUNCTION_2008_R2)
 521
 522         if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 523             rec["msDS-HasDomainNCs"] = ctx.base_dn
 524
 525         if ctx.RODC:
 526             rec["objectCategory"] = "CN=NTDS-DSA-RO,%s" % ctx.schema_dn
 527             rec["msDS-HasFullReplicaNCs"] = ctx.full_nc_list
 528             rec["options"] = "37"
 529         else:
 530             rec["objectCategory"] = "CN=NTDS-DSA,%s" % ctx.schema_dn
 531             rec["HasMasterNCs"]      = []
 532             for nc in nc_list:
 533                 if nc in ctx.full_nc_list:
 534                     rec["HasMasterNCs"].append(nc)
 535             if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 536                 rec["msDS-HasMasterNCs"] = ctx.full_nc_list
 537             rec["options"] = "1"
 538             rec["invocationId"] = ndr_pack(ctx.invocation_id)
 539
 540         return rec
 541
 542     def join_add_ntdsdsa(ctx):
 543         '''add the ntdsdsa object'''
 544
 545         rec = ctx.join_ntdsdsa_obj()
 546         if ctx.RODC:
 547             ctx.samdb.add(rec, ["rodc_join:1:1"])
 548         else:
 549             ctx.DsAddEntry([rec])
 550
 551         # find the GUID of our NTDS DN
 552         res = ctx.samdb.search(base=ctx.ntds_dn, scope=ldb.SCOPE_BASE, attrs=["objectGUID"])
 553         ctx.ntds_guid = misc.GUID(ctx.samdb.schema_format_value("objectGUID", res[0]["objectGUID"][0]))
 554
 555     def join_add_objects(ctx):
 556         '''add the various objects needed for the join'''
 557         if ctx.acct_dn:
 558             print "Adding %s" % ctx.acct_dn
 559             rec = {
 560                 "dn" : ctx.acct_dn,
 561                 "objectClass": "computer",
 562                 "displayname": ctx.samname,
 563                 "samaccountname" : ctx.samname,
 564                 "userAccountControl" : str(ctx.userAccountControl | samba.dsdb.UF_ACCOUNTDISABLE),
 565                 "dnshostname" : ctx.dnshostname}
 566             if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2008:
 567                 rec['msDS-SupportedEncryptionTypes'] = str(samba.dsdb.ENC_ALL_TYPES)
 568             elif ctx.promote_existing:
 569                 rec['msDS-SupportedEncryptionTypes'] = []
 570             if ctx.managedby:
 571                 rec["managedby"] = ctx.managedby
 572             elif ctx.promote_existing:
 573                 rec["managedby"] = []
 574
 575             if ctx.never_reveal_sid:
 576                 rec["msDS-NeverRevealGroup"] = ctx.never_reveal_sid
 577             elif ctx.promote_existing:
 578                 rec["msDS-NeverRevealGroup"] = []
 579
 580             if ctx.reveal_sid:
 581                 rec["msDS-RevealOnDemandGroup"] = ctx.reveal_sid
 582             elif ctx.promote_existing:
 583                 rec["msDS-RevealOnDemandGroup"] = []
 584
 585             if ctx.promote_existing:
 586                 if ctx.promote_from_dn != ctx.acct_dn:
 587                     ctx.samdb.rename(ctx.promote_from_dn, ctx.acct_dn)
 588                 ctx.samdb.modify(ldb.Message.from_dict(ctx.samdb, rec, ldb.FLAG_MOD_REPLACE))
 589             else:
 590                 ctx.samdb.add(rec)
 591
 592         if ctx.krbtgt_dn:
 593             ctx.add_krbtgt_account()
 594
 595         if ctx.server_dn:
 596             print "Adding %s" % ctx.server_dn
 597             rec = {
 598                 "dn": ctx.server_dn,
 599                 "objectclass" : "server",
 600                 # windows uses 50000000 decimal for systemFlags. A windows hex/decimal mixup bug?
 601                 "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_CONFIG_ALLOW_RENAME |
 602                                     samba.dsdb.SYSTEM_FLAG_CONFIG_ALLOW_LIMITED_MOVE |
 603                                     samba.dsdb.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE),
 604                 # windows seems to add the dnsHostName later
 605                 "dnsHostName" : ctx.dnshostname}
 606
 607             if ctx.acct_dn:
 608                 rec["serverReference"] = ctx.acct_dn
 609
 610             ctx.samdb.add(rec)
 611
 612         if ctx.subdomain:
 613             # the rest is done after replication
 614             ctx.ntds_guid = None
 615             return
 616
 617         if ctx.ntds_dn:
 618             ctx.join_add_ntdsdsa()
 619
 620             # Add the Replica-Locations or RO-Replica-Locations attributes
 621             # TODO Is this supposed to be for the schema partition too?
 622             expr = "(&(objectClass=crossRef)(ncName=%s))" % ldb.binary_encode(ctx.domaindns_zone)
 623             domain = (ctx.samdb.search(scope=ldb.SCOPE_ONELEVEL,
 624                                       attrs=[],
 625                                       base=ctx.samdb.get_partitions_dn(),
 626                                       expression=expr), ctx.domaindns_zone)
 627
 628             expr = "(&(objectClass=crossRef)(ncName=%s))" % ldb.binary_encode(ctx.forestdns_zone)
 629             forest = (ctx.samdb.search(scope=ldb.SCOPE_ONELEVEL,
 630                                       attrs=[],
 631                                       base=ctx.samdb.get_partitions_dn(),
 632                                       expression=expr), ctx.forestdns_zone)
 633
 634             for part, zone in (domain, forest):
 635                 if zone not in ctx.nc_list:
 636                     continue
 637
 638                 if len(part) == 1:
 639                     m = ldb.Message()
 640                     m.dn = part[0].dn
 641                     attr = "msDS-NC-Replica-Locations"
 642                     if ctx.RODC:
 643                         attr = "msDS-NC-RO-Replica-Locations"
 644
 645                     m[attr] = ldb.MessageElement(ctx.ntds_dn,
 646                                                  ldb.FLAG_MOD_ADD, attr)
 647                     ctx.samdb.modify(m)
 648
 649         if ctx.connection_dn is not None:
 650             print "Adding %s" % ctx.connection_dn
 651             rec = {
 652                 "dn" : ctx.connection_dn,
 653                 "objectclass" : "nTDSConnection",
 654                 "enabledconnection" : "TRUE",
 655                 "options" : "65",
 656                 "fromServer" : ctx.dc_ntds_dn}
 657             ctx.samdb.add(rec)
 658
 659         if ctx.acct_dn:
 660             print "Adding SPNs to %s" % ctx.acct_dn
 661             m = ldb.Message()
 662             m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
 663             for i in range(len(ctx.SPNs)):
 664                 ctx.SPNs[i] = ctx.SPNs[i].replace("$NTDSGUID", str(ctx.ntds_guid))
 665             m["servicePrincipalName"] = ldb.MessageElement(ctx.SPNs,
 666                                                            ldb.FLAG_MOD_REPLACE,
 667                                                            "servicePrincipalName")
 668             ctx.samdb.modify(m)
 669
 670             # The account password set operation should normally be done over
 671             # LDAP. Windows 2000 DCs however allow this only with SSL
 672             # connections which are hard to set up and otherwise refuse with
 673             # ERR_UNWILLING_TO_PERFORM. In this case we fall back to libnet
 674             # over SAMR.
 675             print "Setting account password for %s" % ctx.samname
 676             try:
 677                 ctx.samdb.setpassword("(&(objectClass=user)(sAMAccountName=%s))"
 678                                       % ldb.binary_encode(ctx.samname),
 679                                       ctx.acct_pass,
 680                                       force_change_at_next_login=False,
 681                                       username=ctx.samname)
 682             except ldb.LdbError, (num, _):
 683                 if num != ldb.ERR_UNWILLING_TO_PERFORM:
 684                     pass
 685                 ctx.net.set_password(account_name=ctx.samname,
 686                                      domain_name=ctx.domain_name,
 687                                      newpassword=ctx.acct_pass.encode('utf-8'))
 688
 689             res = ctx.samdb.search(base=ctx.acct_dn, scope=ldb.SCOPE_BASE,
 690                                    attrs=["msDS-KeyVersionNumber"])
 691             if "msDS-KeyVersionNumber" in res[0]:
 692                 ctx.key_version_number = int(res[0]["msDS-KeyVersionNumber"][0])
 693             else:
 694                 ctx.key_version_number = None
 695
 696             print("Enabling account")
 697             m = ldb.Message()
 698             m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
 699             m["userAccountControl"] = ldb.MessageElement(str(ctx.userAccountControl),
 700                                                          ldb.FLAG_MOD_REPLACE,
 701                                                          "userAccountControl")
 702             ctx.samdb.modify(m)
 703
 704         if ctx.dns_backend.startswith("BIND9_"):
 705             ctx.dnspass = samba.generate_random_password(128, 255)
 706
 707             recs = ctx.samdb.parse_ldif(read_and_sub_file(setup_path("provision_dns_add_samba.ldif"),
 708                                                                 {"DNSDOMAIN": ctx.dnsdomain,
 709                                                                  "DOMAINDN": ctx.base_dn,
 710                                                                  "HOSTNAME" : ctx.myname,
 711                                                                  "DNSPASS_B64": b64encode(ctx.dnspass.encode('utf-16-le')),
 712                                                                  "DNSNAME" : ctx.dnshostname}))
 713             for changetype, msg in recs:
 714                 assert changetype == ldb.CHANGETYPE_NONE
 715                 dns_acct_dn = msg["dn"]
 716                 print "Adding DNS account %s with dns/ SPN" % msg["dn"]
 717
 718                 # Remove dns password (we will set it as a modify, as we can't do clearTextPassword over LDAP)
 719                 del msg["clearTextPassword"]
 720                 # Remove isCriticalSystemObject for similar reasons, it cannot be set over LDAP
 721                 del msg["isCriticalSystemObject"]
 722                 # Disable account until password is set
 723                 msg["userAccountControl"] = str(samba.dsdb.UF_NORMAL_ACCOUNT |
 724                                                 samba.dsdb.UF_ACCOUNTDISABLE)
 725                 try:
 726                     ctx.samdb.add(msg)
 727                 except ldb.LdbError, (num, _):
 728                     if num != ldb.ERR_ENTRY_ALREADY_EXISTS:
 729                         raise
 730
 731             # The account password set operation should normally be done over
 732             # LDAP. Windows 2000 DCs however allow this only with SSL
 733             # connections which are hard to set up and otherwise refuse with
 734             # ERR_UNWILLING_TO_PERFORM. In this case we fall back to libnet
 735             # over SAMR.
 736             print "Setting account password for dns-%s" % ctx.myname
 737             try:
 738                 ctx.samdb.setpassword("(&(objectClass=user)(samAccountName=dns-%s))"
 739                                       % ldb.binary_encode(ctx.myname),
 740                                       ctx.dnspass,
 741                                       force_change_at_next_login=False,
 742                                       username=ctx.samname)
 743             except ldb.LdbError, (num, _):
 744                 if num != ldb.ERR_UNWILLING_TO_PERFORM:
 745                     raise
 746                 ctx.net.set_password(account_name="dns-%s" % ctx.myname,
 747                                      domain_name=ctx.domain_name,
 748                                      newpassword=ctx.dnspass)
 749
 750             res = ctx.samdb.search(base=dns_acct_dn, scope=ldb.SCOPE_BASE,
 751                                    attrs=["msDS-KeyVersionNumber"])
 752             if "msDS-KeyVersionNumber" in res[0]:
 753                 ctx.dns_key_version_number = int(res[0]["msDS-KeyVersionNumber"][0])
 754             else:
 755                 ctx.dns_key_version_number = None
 756
 757     def join_add_objects2(ctx):
 758         """add the various objects needed for the join, for subdomains post replication"""
 759
 760         print "Adding %s" % ctx.partition_dn
 761         name_map = {'SubdomainAdmins': "%s-%s" % (str(ctx.domsid), security.DOMAIN_RID_ADMINS)}
 762         sd_binary = descriptor.get_paritions_crossref_subdomain_descriptor(ctx.forestsid, name_map=name_map)
 763         rec = {
 764             "dn" : ctx.partition_dn,
 765             "objectclass" : "crossRef",
 766             "objectCategory" : "CN=Cross-Ref,%s" % ctx.schema_dn,
 767             "nCName" : ctx.base_dn,
 768             "nETBIOSName" : ctx.domain_name,
 769             "dnsRoot": ctx.dnsdomain,
 770             "trustParent" : ctx.parent_partition_dn,
 771             "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_CR_NTDS_NC|samba.dsdb.SYSTEM_FLAG_CR_NTDS_DOMAIN),
 772             "ntSecurityDescriptor" : sd_binary,
 773         }
 774
 775         if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 776             rec["msDS-Behavior-Version"] = str(ctx.behavior_version)
 777
 778         rec2 = ctx.join_ntdsdsa_obj()
 779
 780         objects = ctx.DsAddEntry([rec, rec2])
 781         if len(objects) != 2:
 782             raise DCJoinException("Expected 2 objects from DsAddEntry")
 783
 784         ctx.ntds_guid = objects[1].guid
 785
 786         print("Replicating partition DN")
 787         ctx.repl.replicate(ctx.partition_dn,
 788                            misc.GUID("00000000-0000-0000-0000-000000000000"),
 789                            ctx.ntds_guid,
 790                            exop=drsuapi.DRSUAPI_EXOP_REPL_OBJ,
 791                            replica_flags=drsuapi.DRSUAPI_DRS_WRIT_REP)
 792
 793         print("Replicating NTDS DN")
 794         ctx.repl.replicate(ctx.ntds_dn,
 795                            misc.GUID("00000000-0000-0000-0000-000000000000"),
 796                            ctx.ntds_guid,
 797                            exop=drsuapi.DRSUAPI_EXOP_REPL_OBJ,
 798                            replica_flags=drsuapi.DRSUAPI_DRS_WRIT_REP)
 799
 800     def join_provision(ctx):
 801         """Provision the local SAM."""
 802
 803         print "Calling bare provision"
 804
 805         smbconf = ctx.lp.configfile
 806
 807         presult = provision(ctx.logger, system_session(), smbconf=smbconf,
 808                 targetdir=ctx.targetdir, samdb_fill=FILL_DRS, realm=ctx.realm,
 809                 rootdn=ctx.root_dn, domaindn=ctx.base_dn,
 810                 schemadn=ctx.schema_dn, configdn=ctx.config_dn,
 811                 serverdn=ctx.server_dn, domain=ctx.domain_name,
 812                 hostname=ctx.myname, domainsid=ctx.domsid,
 813                 machinepass=ctx.acct_pass, serverrole="active directory domain controller",
 814                 sitename=ctx.site, lp=ctx.lp, ntdsguid=ctx.ntds_guid,
 815                 use_ntvfs=ctx.use_ntvfs, dns_backend=ctx.dns_backend)
 816         print "Provision OK for domain DN %s" % presult.domaindn
 817         ctx.local_samdb = presult.samdb
 818         ctx.lp          = presult.lp
 819         ctx.paths       = presult.paths
 820         ctx.names       = presult.names
 821
 822         # Fix up the forestsid, it may be different if we are joining as a subdomain
 823         ctx.names.forestsid = ctx.forestsid
 824
 825     def join_provision_own_domain(ctx):
 826         """Provision the local SAM."""
 827
 828         # we now operate exclusively on the local database, which
 829         # we need to reopen in order to get the newly created schema
 830         print("Reconnecting to local samdb")
 831         ctx.samdb = SamDB(url=ctx.local_samdb.url,
 832                           session_info=system_session(),
 833                           lp=ctx.local_samdb.lp,
 834                           global_schema=False)
 835         ctx.samdb.set_invocation_id(str(ctx.invocation_id))
 836         ctx.local_samdb = ctx.samdb
 837
 838         ctx.logger.info("Finding domain GUID from ncName")
 839         res = ctx.local_samdb.search(base=ctx.partition_dn, scope=ldb.SCOPE_BASE, attrs=['ncName'],
 840                                      controls=["extended_dn:1:1", "reveal_internals:0"])
 841
 842         if 'nCName' not in res[0]:
 843             raise DCJoinException("Can't find naming context on partition DN %s in %s" % (ctx.partition_dn, ctx.samdb.url))
 844
 845         try:
 846             ctx.names.domainguid = str(misc.GUID(ldb.Dn(ctx.samdb, res[0]['ncName'][0]).get_extended_component('GUID')))
 847         except KeyError:
 848             raise DCJoinException("Can't find GUID in naming master on partition DN %s" % res[0]['ncName'][0])
 849
 850         ctx.logger.info("Got domain GUID %s" % ctx.names.domainguid)
 851
 852         ctx.logger.info("Calling own domain provision")
 853
 854         secrets_ldb = Ldb(ctx.paths.secrets, session_info=system_session(), lp=ctx.lp)
 855
 856         presult = provision_fill(ctx.local_samdb, secrets_ldb,
 857                                  ctx.logger, ctx.names, ctx.paths,
 858                                  dom_for_fun_level=DS_DOMAIN_FUNCTION_2003,
 859                                  targetdir=ctx.targetdir, samdb_fill=FILL_SUBDOMAIN,
 860                                  machinepass=ctx.acct_pass, serverrole="active directory domain controller",
 861                                  lp=ctx.lp, hostip=ctx.names.hostip, hostip6=ctx.names.hostip6,
 862                                  dns_backend=ctx.dns_backend, adminpass=ctx.adminpass)
 863         print("Provision OK for domain %s" % ctx.names.dnsdomain)
 864
 865     def join_replicate(ctx):
 866         """Replicate the SAM."""
 867
 868         print "Starting replication"
 869         ctx.local_samdb.transaction_start()
 870         try:
 871             source_dsa_invocation_id = misc.GUID(ctx.samdb.get_invocation_id())
 872             if ctx.ntds_guid is None:
 873                 print("Using DS_BIND_GUID_W2K3")
 874                 destination_dsa_guid = misc.GUID(drsuapi.DRSUAPI_DS_BIND_GUID_W2K3)
 875             else:
 876                 destination_dsa_guid = ctx.ntds_guid
 877
 878             if ctx.RODC:
 879                 repl_creds = Credentials()
 880                 repl_creds.guess(ctx.lp)
 881                 repl_creds.set_kerberos_state(DONT_USE_KERBEROS)
 882                 repl_creds.set_username(ctx.samname)
 883                 repl_creds.set_password(ctx.acct_pass.encode('utf-8'))
 884             else:
 885                 repl_creds = ctx.creds
 886
 887             binding_options = "seal"
 888             if ctx.lp.log_level() >= 5:
 889                 binding_options += ",print"
 890             repl = drs_utils.drs_Replicate(
 891                 "ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options),
 892                 ctx.lp, repl_creds, ctx.local_samdb, ctx.invocation_id)
 893
 894             repl.replicate(ctx.schema_dn, source_dsa_invocation_id,
 895                     destination_dsa_guid, schema=True, rodc=ctx.RODC,
 896                     replica_flags=ctx.replica_flags)
 897             repl.replicate(ctx.config_dn, source_dsa_invocation_id,
 898                     destination_dsa_guid, rodc=ctx.RODC,
 899                     replica_flags=ctx.replica_flags)
 900             if not ctx.subdomain:
 901                 # Replicate first the critical object for the basedn
 902                 if not ctx.domain_replica_flags & drsuapi.DRSUAPI_DRS_CRITICAL_ONLY:
 903                     print "Replicating critical objects from the base DN of the domain"
 904                     ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY
 905                     repl.replicate(ctx.base_dn, source_dsa_invocation_id,
 906                                 destination_dsa_guid, rodc=ctx.RODC,
 907                                 replica_flags=ctx.domain_replica_flags)
 908                     ctx.domain_replica_flags ^= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY
 909                 repl.replicate(ctx.base_dn, source_dsa_invocation_id,
 910                                destination_dsa_guid, rodc=ctx.RODC,
 911                                replica_flags=ctx.domain_replica_flags)
 912             print "Done with always replicated NC (base, config, schema)"
 913
 914             # At this point we should already have an entry in the ForestDNS
 915             # and DomainDNS NC (those under CN=Partions,DC=...) in order to
 916             # indicate that we hold a replica for this NC.
 917             for nc in (ctx.domaindns_zone, ctx.forestdns_zone):
 918                 if nc in ctx.nc_list:
 919                     print "Replicating %s" % (str(nc))
 920                     repl.replicate(nc, source_dsa_invocation_id,
 921                                     destination_dsa_guid, rodc=ctx.RODC,
 922                                     replica_flags=ctx.replica_flags)
 923
 924             if ctx.RODC:
 925                 repl.replicate(ctx.acct_dn, source_dsa_invocation_id,
 926                         destination_dsa_guid,
 927                         exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET, rodc=True)
 928                 repl.replicate(ctx.new_krbtgt_dn, source_dsa_invocation_id,
 929                         destination_dsa_guid,
 930                         exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET, rodc=True)
 931             elif ctx.rid_manager_dn != None:
 932                 # Try and get a RID Set if we can.  This is only possible against the RID Master.  Warn otherwise.
 933                 try:
 934                     repl.replicate(ctx.rid_manager_dn, source_dsa_invocation_id,
 935                                    destination_dsa_guid,
 936                                    exop=drsuapi.DRSUAPI_EXOP_FSMO_RID_ALLOC)
 937                 except samba.DsExtendedError, (enum, estr):
 938                     if enum == drsuapi.DRSUAPI_EXOP_ERR_FSMO_NOT_OWNER:
 939                         print "WARNING: Unable to replicate own RID Set, as server %s (the server we joined) is not the RID Master." % ctx.server
 940                         print "NOTE: This is normal and expected, Samba will be able to create users after it contacts the RID Master at first startup."
 941                     else:
 942                         raise
 943
 944             ctx.repl = repl
 945             ctx.source_dsa_invocation_id = source_dsa_invocation_id
 946             ctx.destination_dsa_guid = destination_dsa_guid
 947
 948             print "Committing SAM database"
 949         except:
 950             ctx.local_samdb.transaction_cancel()
 951             raise
 952         else:
 953             ctx.local_samdb.transaction_commit()
 954
 955     def send_DsReplicaUpdateRefs(ctx, dn):
 956         r = drsuapi.DsReplicaUpdateRefsRequest1()
 957         r.naming_context = drsuapi.DsReplicaObjectIdentifier()
 958         r.naming_context.dn = str(dn)
 959         r.naming_context.guid = misc.GUID("00000000-0000-0000-0000-000000000000")
 960         r.naming_context.sid = security.dom_sid("S-0-0")
 961         r.dest_dsa_guid = ctx.ntds_guid
 962         r.dest_dsa_dns_name = "%s._msdcs.%s" % (str(ctx.ntds_guid), ctx.dnsforest)
 963         r.options = drsuapi.DRSUAPI_DRS_ADD_REF | drsuapi.DRSUAPI_DRS_DEL_REF
 964         if not ctx.RODC:
 965             r.options |= drsuapi.DRSUAPI_DRS_WRIT_REP
 966
 967         if ctx.drsuapi is None:
 968             ctx.drsuapi_connect()
 969
 970         ctx.drsuapi.DsReplicaUpdateRefs(ctx.drsuapi_handle, 1, r)
 971
 972     def join_finalise(ctx):
 973         """Finalise the join, mark us synchronised and setup secrets db."""
 974
 975         # FIXME we shouldn't do this in all cases
 976
 977         # If for some reasons we joined in another site than the one of
 978         # DC we just replicated from then we don't need to send the updatereplicateref
 979         # as replication between sites is time based and on the initiative of the
 980         # requesting DC
 981         if not ctx.clone_only:
 982             ctx.logger.info("Sending DsReplicaUpdateRefs for all the replicated partitions")
 983             for nc in ctx.nc_list:
 984                 ctx.send_DsReplicaUpdateRefs(nc)
 985
 986         if not ctx.clone_only and ctx.RODC:
 987             print "Setting RODC invocationId"
 988             ctx.local_samdb.set_invocation_id(str(ctx.invocation_id))
 989             ctx.local_samdb.set_opaque_integer("domainFunctionality",
 990                                                ctx.behavior_version)
 991             m = ldb.Message()
 992             m.dn = ldb.Dn(ctx.local_samdb, "%s" % ctx.ntds_dn)
 993             m["invocationId"] = ldb.MessageElement(ndr_pack(ctx.invocation_id),
 994                                                    ldb.FLAG_MOD_REPLACE,
 995                                                    "invocationId")
 996             ctx.local_samdb.modify(m)
 997
 998             # Note: as RODC the invocationId is only stored
 999             # on the RODC itself, the other DCs never see it.
1000             #
1001             # Thats is why we fix up the replPropertyMetaData stamp
1002             # for the 'invocationId' attribute, we need to change
1003             # the 'version' to '0', this is what windows 2008r2 does as RODC
1004             #
1005             # This means if the object on a RWDC ever gets a invocationId
1006             # attribute, it will have version '1' (or higher), which will
1007             # will overwrite the RODC local value.
1008             ctx.local_samdb.set_attribute_replmetadata_version(m.dn,
1009                                                                "invocationId",
1010                                                                0)
1011
1012         ctx.logger.info("Setting isSynchronized and dsServiceName")
1013         m = ldb.Message()
1014         m.dn = ldb.Dn(ctx.local_samdb, '@ROOTDSE')
1015         m["isSynchronized"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_REPLACE, "isSynchronized")
1016
1017         # We want to appear to be the server we just cloned
1018         if ctx.clone_only:
1019             guid = ctx.remote_dc_ntds_guid
1020         else:
1021             guid = ctx.ntds_guid
1022
1023         m["dsServiceName"] = ldb.MessageElement("<GUID=%s>" % str(guid),
1024                                                 ldb.FLAG_MOD_REPLACE, "dsServiceName")
1025         ctx.local_samdb.modify(m)
1026
1027         if ctx.clone_only or ctx.subdomain:
1028             return
1029
1030         secrets_ldb = Ldb(ctx.paths.secrets, session_info=system_session(), lp=ctx.lp)
1031
1032         ctx.logger.info("Setting up secrets database")
1033         secretsdb_self_join(secrets_ldb, domain=ctx.domain_name,
1034                             realm=ctx.realm,
1035                             dnsdomain=ctx.dnsdomain,
1036                             netbiosname=ctx.myname,
1037                             domainsid=ctx.domsid,
1038                             machinepass=ctx.acct_pass,
1039                             secure_channel_type=ctx.secure_channel_type,
1040                             key_version_number=ctx.key_version_number)
1041
1042         if ctx.dns_backend.startswith("BIND9_"):
1043             setup_bind9_dns(ctx.local_samdb, secrets_ldb,
1044                             ctx.names, ctx.paths, ctx.lp, ctx.logger,
1045                             dns_backend=ctx.dns_backend,
1046                             dnspass=ctx.dnspass, os_level=ctx.behavior_version,
1047                             targetdir=ctx.targetdir,
1048                             key_version_number=ctx.dns_key_version_number)
1049
1050     def join_setup_trusts(ctx):
1051         """provision the local SAM."""
1052
1053         print "Setup domain trusts with server %s" % ctx.server
1054         binding_options = ""  # why doesn't signing work here? w2k8r2 claims no session key
1055         lsaconn = lsa.lsarpc("ncacn_np:%s[%s]" % (ctx.server, binding_options),
1056                              ctx.lp, ctx.creds)
1057
1058         objectAttr = lsa.ObjectAttribute()
1059         objectAttr.sec_qos = lsa.QosInfo()
1060
1061         pol_handle = lsaconn.OpenPolicy2(''.decode('utf-8'),
1062                                          objectAttr, security.SEC_FLAG_MAXIMUM_ALLOWED)
1063
1064         info = lsa.TrustDomainInfoInfoEx()
1065         info.domain_name.string = ctx.dnsdomain
1066         info.netbios_name.string = ctx.domain_name
1067         info.sid = ctx.domsid
1068         info.trust_direction = lsa.LSA_TRUST_DIRECTION_INBOUND | lsa.LSA_TRUST_DIRECTION_OUTBOUND
1069         info.trust_type = lsa.LSA_TRUST_TYPE_UPLEVEL
1070         info.trust_attributes = lsa.LSA_TRUST_ATTRIBUTE_WITHIN_FOREST
1071
1072         try:
1073             oldname = lsa.String()
1074             oldname.string = ctx.dnsdomain
1075             oldinfo = lsaconn.QueryTrustedDomainInfoByName(pol_handle, oldname,
1076                                                            lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO)
1077             print("Removing old trust record for %s (SID %s)" % (ctx.dnsdomain, oldinfo.info_ex.sid))
1078             lsaconn.DeleteTrustedDomain(pol_handle, oldinfo.info_ex.sid)
1079         except RuntimeError:
1080             pass
1081
1082         password_blob = string_to_byte_array(ctx.trustdom_pass.encode('utf-16-le'))
1083
1084         clear_value = drsblobs.AuthInfoClear()
1085         clear_value.size = len(password_blob)
1086         clear_value.password = password_blob
1087
1088         clear_authentication_information = drsblobs.AuthenticationInformation()
1089         clear_authentication_information.LastUpdateTime = samba.unix2nttime(int(time.time()))
1090         clear_authentication_information.AuthType = lsa.TRUST_AUTH_TYPE_CLEAR
1091         clear_authentication_information.AuthInfo = clear_value
1092
1093         authentication_information_array = drsblobs.AuthenticationInformationArray()
1094         authentication_information_array.count = 1
1095         authentication_information_array.array = [clear_authentication_information]
1096
1097         outgoing = drsblobs.trustAuthInOutBlob()
1098         outgoing.count = 1
1099         outgoing.current = authentication_information_array
1100
1101         trustpass = drsblobs.trustDomainPasswords()
1102         confounder = [3] * 512
1103
1104         for i in range(512):
1105             confounder[i] = random.randint(0, 255)
1106
1107         trustpass.confounder = confounder
1108
1109         trustpass.outgoing = outgoing
1110         trustpass.incoming = outgoing
1111
1112         trustpass_blob = ndr_pack(trustpass)
1113
1114         encrypted_trustpass = arcfour_encrypt(lsaconn.session_key, trustpass_blob)
1115
1116         auth_blob = lsa.DATA_BUF2()
1117         auth_blob.size = len(encrypted_trustpass)
1118         auth_blob.data = string_to_byte_array(encrypted_trustpass)
1119
1120         auth_info = lsa.TrustDomainInfoAuthInfoInternal()
1121         auth_info.auth_blob = auth_blob
1122
1123         trustdom_handle = lsaconn.CreateTrustedDomainEx2(pol_handle,
1124                                                          info,
1125                                                          auth_info,
1126                                                          security.SEC_STD_DELETE)
1127
1128         rec = {
1129             "dn" : "cn=%s,cn=system,%s" % (ctx.dnsforest, ctx.base_dn),
1130             "objectclass" : "trustedDomain",
1131             "trustType" : str(info.trust_type),
1132             "trustAttributes" : str(info.trust_attributes),
1133             "trustDirection" : str(info.trust_direction),
1134             "flatname" : ctx.forest_domain_name,
1135             "trustPartner" : ctx.dnsforest,
1136             "trustAuthIncoming" : ndr_pack(outgoing),
1137             "trustAuthOutgoing" : ndr_pack(outgoing),
1138             "securityIdentifier" : ndr_pack(ctx.forestsid)
1139             }
1140         ctx.local_samdb.add(rec)
1141
1142         rec = {
1143             "dn" : "cn=%s$,cn=users,%s" % (ctx.forest_domain_name, ctx.base_dn),
1144             "objectclass" : "user",
1145             "userAccountControl" : str(samba.dsdb.UF_INTERDOMAIN_TRUST_ACCOUNT),
1146             "clearTextPassword" : ctx.trustdom_pass.encode('utf-16-le'),
1147             "samAccountName" : "%s$" % ctx.forest_domain_name
1148             }
1149         ctx.local_samdb.add(rec)
1150
1151
1152     def do_join(ctx):
1153         # nc_list is the list of naming context (NC) for which we will
1154         # replicate in and send a updateRef command to the partner DC
1155
1156         # full_nc_list is the list of naming context (NC) we hold
1157         # read/write copies of.  These are not subsets of each other.
1158         ctx.nc_list = [ ctx.config_dn, ctx.schema_dn ]
1159         ctx.full_nc_list = [ ctx.base_dn, ctx.config_dn, ctx.schema_dn ]
1160
1161         if ctx.subdomain and ctx.dns_backend != "NONE":
1162             ctx.full_nc_list += [ctx.domaindns_zone]
1163
1164         elif not ctx.subdomain:
1165             ctx.nc_list += [ctx.base_dn]
1166
1167             if ctx.dns_backend != "NONE":
1168                 ctx.nc_list += [ctx.domaindns_zone]
1169                 ctx.nc_list += [ctx.forestdns_zone]
1170                 ctx.full_nc_list += [ctx.domaindns_zone]
1171                 ctx.full_nc_list += [ctx.forestdns_zone]
1172
1173         if not ctx.clone_only:
1174             if ctx.promote_existing:
1175                 ctx.promote_possible()
1176             else:
1177                 ctx.cleanup_old_join()
1178
1179         try:
1180             if not ctx.clone_only:
1181                 ctx.join_add_objects()
1182             ctx.join_provision()
1183             ctx.join_replicate()
1184             if (not ctx.clone_only and ctx.subdomain):
1185                 ctx.join_add_objects2()
1186                 ctx.join_provision_own_domain()
1187                 ctx.join_setup_trusts()
1188             ctx.join_finalise()
1189         except:
1190             try:
1191                 print "Join failed - cleaning up"
1192             except IOError:
1193                 pass
1194             if not ctx.clone_only:
1195                 ctx.cleanup_old_join()
1196             raise
1197
1198
1199 def join_RODC(logger=None, server=None, creds=None, lp=None, site=None, netbios_name=None,
1200               targetdir=None, domain=None, domain_critical_only=False,
1201               machinepass=None, use_ntvfs=False, dns_backend=None,
1202               promote_existing=False):
1203     """Join as a RODC."""
1204
1205     ctx = dc_join(logger, server, creds, lp, site, netbios_name, targetdir, domain,
1206                   machinepass, use_ntvfs, dns_backend, promote_existing)
1207
1208     lp.set("workgroup", ctx.domain_name)
1209     logger.info("workgroup is %s" % ctx.domain_name)
1210
1211     lp.set("realm", ctx.realm)
1212     logger.info("realm is %s" % ctx.realm)
1213
1214     ctx.krbtgt_dn = "CN=krbtgt_%s,CN=Users,%s" % (ctx.myname, ctx.base_dn)
1215
1216     # setup some defaults for accounts that should be replicated to this RODC
1217     ctx.never_reveal_sid = [
1218         "<SID=%s-%s>" % (ctx.domsid, security.DOMAIN_RID_RODC_DENY),
1219         "<SID=%s>" % security.SID_BUILTIN_ADMINISTRATORS,
1220         "<SID=%s>" % security.SID_BUILTIN_SERVER_OPERATORS,
1221         "<SID=%s>" % security.SID_BUILTIN_BACKUP_OPERATORS,
1222         "<SID=%s>" % security.SID_BUILTIN_ACCOUNT_OPERATORS]
1223     ctx.reveal_sid = "<SID=%s-%s>" % (ctx.domsid, security.DOMAIN_RID_RODC_ALLOW)
1224
1225     mysid = ctx.get_mysid()
1226     admin_dn = "<SID=%s>" % mysid
1227     ctx.managedby = admin_dn
1228
1229     ctx.userAccountControl = (samba.dsdb.UF_WORKSTATION_TRUST_ACCOUNT |
1230                               samba.dsdb.UF_TRUSTED_TO_AUTHENTICATE_FOR_DELEGATION |
1231                               samba.dsdb.UF_PARTIAL_SECRETS_ACCOUNT)
1232
1233     ctx.SPNs.extend([ "RestrictedKrbHost/%s" % ctx.myname,
1234                       "RestrictedKrbHost/%s" % ctx.dnshostname ])
1235
1236     ctx.connection_dn = "CN=RODC Connection (FRS),%s" % ctx.ntds_dn
1237     ctx.secure_channel_type = misc.SEC_CHAN_RODC
1238     ctx.RODC = True
1239     ctx.replica_flags |= ( drsuapi.DRSUAPI_DRS_SPECIAL_SECRET_PROCESSING |
1240                            drsuapi.DRSUAPI_DRS_GET_ALL_GROUP_MEMBERSHIP)
1241     ctx.domain_replica_flags = ctx.replica_flags
1242     if domain_critical_only:
1243         ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY
1244
1245     ctx.do_join()
1246
1247     logger.info("Joined domain %s (SID %s) as an RODC" % (ctx.domain_name, ctx.domsid))
1248
1249
1250 def join_DC(logger=None, server=None, creds=None, lp=None, site=None, netbios_name=None,
1251             targetdir=None, domain=None, domain_critical_only=False,
1252             machinepass=None, use_ntvfs=False, dns_backend=None,
1253             promote_existing=False):
1254     """Join as a DC."""
1255     ctx = dc_join(logger, server, creds, lp, site, netbios_name, targetdir, domain,
1256                   machinepass, use_ntvfs, dns_backend, promote_existing)
1257
1258     lp.set("workgroup", ctx.domain_name)
1259     logger.info("workgroup is %s" % ctx.domain_name)
1260
1261     lp.set("realm", ctx.realm)
1262     logger.info("realm is %s" % ctx.realm)
1263
1264     ctx.userAccountControl = samba.dsdb.UF_SERVER_TRUST_ACCOUNT | samba.dsdb.UF_TRUSTED_FOR_DELEGATION
1265
1266     ctx.SPNs.append('E3514235-4B06-11D1-AB04-00C04FC2DCD2/$NTDSGUID/%s' % ctx.dnsdomain)
1267     ctx.secure_channel_type = misc.SEC_CHAN_BDC
1268
1269     ctx.replica_flags |= (drsuapi.DRSUAPI_DRS_WRIT_REP |
1270                           drsuapi.DRSUAPI_DRS_FULL_SYNC_IN_PROGRESS)
1271     ctx.domain_replica_flags = ctx.replica_flags
1272     if domain_critical_only:
1273         ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY
1274
1275     ctx.do_join()
1276     logger.info("Joined domain %s (SID %s) as a DC" % (ctx.domain_name, ctx.domsid))
1277
1278 def join_clone(logger=None, server=None, creds=None, lp=None,
1279                targetdir=None, domain=None, include_secrets=False):
1280     """Join as a DC."""
1281     ctx = dc_join(logger, server, creds, lp, site=None, netbios_name=None, targetdir=targetdir, domain=domain,
1282                   machinepass=None, use_ntvfs=False, dns_backend="NONE", promote_existing=False, clone_only=True)
1283
1284     lp.set("workgroup", ctx.domain_name)
1285     logger.info("workgroup is %s" % ctx.domain_name)
1286
1287     lp.set("realm", ctx.realm)
1288     logger.info("realm is %s" % ctx.realm)
1289
1290     ctx.replica_flags |= (drsuapi.DRSUAPI_DRS_WRIT_REP |
1291                           drsuapi.DRSUAPI_DRS_FULL_SYNC_IN_PROGRESS)
1292     if not include_secrets:
1293         ctx.replica_flags |= drsuapi.DRSUAPI_DRS_SPECIAL_SECRET_PROCESSING
1294     ctx.domain_replica_flags = ctx.replica_flags
1295
1296     ctx.do_join()
1297     logger.info("Cloned domain %s (SID %s)" % (ctx.domain_name, ctx.domsid))
1298
1299 def join_subdomain(logger=None, server=None, creds=None, lp=None, site=None,
1300         netbios_name=None, targetdir=None, parent_domain=None, dnsdomain=None,
1301         netbios_domain=None, machinepass=None, adminpass=None, use_ntvfs=False,
1302         dns_backend=None):
1303     """Join as a DC."""
1304     ctx = dc_join(logger, server, creds, lp, site, netbios_name, targetdir, parent_domain,
1305                   machinepass, use_ntvfs, dns_backend)
1306     ctx.subdomain = True
1307     if adminpass is None:
1308         ctx.adminpass = samba.generate_random_password(12, 32)
1309     else:
1310         ctx.adminpass = adminpass
1311     ctx.parent_domain_name = ctx.domain_name
1312     ctx.domain_name = netbios_domain
1313     ctx.realm = dnsdomain
1314     ctx.parent_dnsdomain = ctx.dnsdomain
1315     ctx.parent_partition_dn = ctx.get_parent_partition_dn()
1316     ctx.dnsdomain = dnsdomain
1317     ctx.partition_dn = "CN=%s,CN=Partitions,%s" % (ctx.domain_name, ctx.config_dn)
1318     ctx.naming_master = ctx.get_naming_master()
1319     if ctx.naming_master != ctx.server:
1320         logger.info("Reconnecting to naming master %s" % ctx.naming_master)
1321         ctx.server = ctx.naming_master
1322         ctx.samdb = SamDB(url="ldap://%s" % ctx.server,
1323                           session_info=system_session(),
1324                           credentials=ctx.creds, lp=ctx.lp)
1325         res = ctx.samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=['dnsHostName'],
1326                                controls=[])
1327         ctx.server = res[0]["dnsHostName"]
1328         logger.info("DNS name of new naming master is %s" % ctx.server)
1329
1330     ctx.base_dn = samba.dn_from_dns_name(dnsdomain)
1331     ctx.forestsid = ctx.domsid
1332     ctx.domsid = security.random_sid()
1333     ctx.acct_dn = None
1334     ctx.dnshostname = "%s.%s" % (ctx.myname.lower(), ctx.dnsdomain)
1335     # Windows uses 240 bytes as UTF16 so we do
1336     ctx.trustdom_pass = samba.generate_random_machine_password(120, 120)
1337
1338     ctx.userAccountControl = samba.dsdb.UF_SERVER_TRUST_ACCOUNT | samba.dsdb.UF_TRUSTED_FOR_DELEGATION
1339
1340     ctx.SPNs.append('E3514235-4B06-11D1-AB04-00C04FC2DCD2/$NTDSGUID/%s' % ctx.dnsdomain)
1341     ctx.secure_channel_type = misc.SEC_CHAN_BDC
1342
1343     ctx.replica_flags |= (drsuapi.DRSUAPI_DRS_WRIT_REP |
1344                           drsuapi.DRSUAPI_DRS_FULL_SYNC_IN_PROGRESS)
1345     ctx.domain_replica_flags = ctx.replica_flags
1346
1347     ctx.do_join()
1348     ctx.logger.info("Created domain %s (SID %s) as a DC" % (ctx.domain_name, ctx.domsid))