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
  60         ctx.promote_existing = promote_existing
  61         ctx.promote_from_dn = None
  62
  63         ctx.nc_list = []
  64         ctx.full_nc_list = []
  65
  66         ctx.creds.set_gensec_features(creds.get_gensec_features() | gensec.FEATURE_SEAL)
  67         ctx.net = Net(creds=ctx.creds, lp=ctx.lp)
  68
  69         if server is not None:
  70             ctx.server = server
  71         else:
  72             print("Finding a writeable DC for domain '%s'" % domain)
  73             ctx.server = ctx.find_dc(domain)
  74             print("Found DC %s" % ctx.server)
  75
  76         ctx.samdb = SamDB(url="ldap://%s" % ctx.server,
  77                           session_info=system_session(),
  78                           credentials=ctx.creds, lp=ctx.lp)
  79
  80         try:
  81             ctx.samdb.search(scope=ldb.SCOPE_ONELEVEL, attrs=["dn"])
  82         except ldb.LdbError, (enum, estr):
  83             raise DCJoinException(estr)
  84
  85
  86         ctx.myname = netbios_name
  87         ctx.samname = "%s$" % ctx.myname
  88         ctx.base_dn = str(ctx.samdb.get_default_basedn())
  89         ctx.root_dn = str(ctx.samdb.get_root_basedn())
  90         ctx.schema_dn = str(ctx.samdb.get_schema_basedn())
  91         ctx.config_dn = str(ctx.samdb.get_config_basedn())
  92         ctx.domsid = ctx.samdb.get_domain_sid()
  93         ctx.domain_name = ctx.get_domain_name()
  94         ctx.forest_domain_name = ctx.get_forest_domain_name()
  95         ctx.invocation_id = misc.GUID(str(uuid.uuid4()))
  96
  97         ctx.dc_ntds_dn = ctx.samdb.get_dsServiceName()
  98         ctx.dc_dnsHostName = ctx.get_dnsHostName()
  99         ctx.behavior_version = ctx.get_behavior_version()
 100
 101         if machinepass is not None:
 102             ctx.acct_pass = machinepass
 103         else:
 104             ctx.acct_pass = samba.generate_random_password(32, 40)
 105
 106         # work out the DNs of all the objects we will be adding
 107         ctx.server_dn = "CN=%s,CN=Servers,CN=%s,CN=Sites,%s" % (ctx.myname, ctx.site, ctx.config_dn)
 108         ctx.ntds_dn = "CN=NTDS Settings,%s" % ctx.server_dn
 109         topology_base = "CN=Topology,CN=Domain System Volume,CN=DFSR-GlobalSettings,CN=System,%s" % ctx.base_dn
 110         if ctx.dn_exists(topology_base):
 111             ctx.topology_dn = "CN=%s,%s" % (ctx.myname, topology_base)
 112         else:
 113             ctx.topology_dn = None
 114
 115         ctx.dnsdomain = ctx.samdb.domain_dns_name()
 116         ctx.dnsforest = ctx.samdb.forest_dns_name()
 117         ctx.domaindns_zone = 'DC=DomainDnsZones,%s' % ctx.base_dn
 118         ctx.forestdns_zone = 'DC=ForestDnsZones,%s' % ctx.base_dn
 119
 120         res_domaindns = ctx.samdb.search(scope=ldb.SCOPE_ONELEVEL,
 121                                          attrs=[],
 122                                          base=ctx.samdb.get_partitions_dn(),
 123                                          expression="(&(objectClass=crossRef)(ncName=%s))" % ctx.domaindns_zone)
 124         if dns_backend is None:
 125             ctx.dns_backend = "NONE"
 126         else:
 127             if len(res_domaindns) == 0:
 128                 ctx.dns_backend = "NONE"
 129                 print "NO DNS zone information found in source domain, not replicating DNS"
 130             else:
 131                 ctx.dns_backend = dns_backend
 132
 133         ctx.dnshostname = "%s.%s" % (ctx.myname, ctx.dnsdomain)
 134
 135         ctx.realm = ctx.dnsdomain
 136
 137         ctx.acct_dn = "CN=%s,OU=Domain Controllers,%s" % (ctx.myname, ctx.base_dn)
 138
 139         ctx.tmp_samdb = None
 140
 141         ctx.SPNs = [ "HOST/%s" % ctx.myname,
 142                      "HOST/%s" % ctx.dnshostname,
 143                      "GC/%s/%s" % (ctx.dnshostname, ctx.dnsforest) ]
 144
 145         # these elements are optional
 146         ctx.never_reveal_sid = None
 147         ctx.reveal_sid = None
 148         ctx.connection_dn = None
 149         ctx.RODC = False
 150         ctx.krbtgt_dn = None
 151         ctx.drsuapi = None
 152         ctx.managedby = None
 153         ctx.subdomain = False
 154
 155     def del_noerror(ctx, dn, recursive=False):
 156         if recursive:
 157             try:
 158                 res = ctx.samdb.search(base=dn, scope=ldb.SCOPE_ONELEVEL, attrs=["dn"])
 159             except Exception:
 160                 return
 161             for r in res:
 162                 ctx.del_noerror(r.dn, recursive=True)
 163         try:
 164             ctx.samdb.delete(dn)
 165             print "Deleted %s" % dn
 166         except Exception:
 167             pass
 168
 169     def cleanup_old_join(ctx):
 170         """Remove any DNs from a previous join."""
 171         try:
 172             # find the krbtgt link
 173             print("checking sAMAccountName")
 174             if ctx.subdomain:
 175                 res = None
 176             else:
 177                 res = ctx.samdb.search(base=ctx.samdb.get_default_basedn(),
 178                                        expression='sAMAccountName=%s' % ldb.binary_encode(ctx.samname),
 179                                        attrs=["msDS-krbTgtLink"])
 180                 if res:
 181                     ctx.del_noerror(res[0].dn, recursive=True)
 182             if ctx.connection_dn is not None:
 183                 ctx.del_noerror(ctx.connection_dn)
 184             if ctx.krbtgt_dn is not None:
 185                 ctx.del_noerror(ctx.krbtgt_dn)
 186             ctx.del_noerror(ctx.ntds_dn)
 187             ctx.del_noerror(ctx.server_dn, recursive=True)
 188             if ctx.topology_dn:
 189                 ctx.del_noerror(ctx.topology_dn)
 190             if ctx.partition_dn:
 191                 ctx.del_noerror(ctx.partition_dn)
 192             if res:
 193                 ctx.new_krbtgt_dn = res[0]["msDS-Krbtgtlink"][0]
 194                 ctx.del_noerror(ctx.new_krbtgt_dn)
 195
 196             if ctx.subdomain:
 197                 binding_options = "sign"
 198                 lsaconn = lsa.lsarpc("ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options),
 199                                      ctx.lp, ctx.creds)
 200
 201                 objectAttr = lsa.ObjectAttribute()
 202                 objectAttr.sec_qos = lsa.QosInfo()
 203
 204                 pol_handle = lsaconn.OpenPolicy2(''.decode('utf-8'),
 205                                                  objectAttr, security.SEC_FLAG_MAXIMUM_ALLOWED)
 206
 207                 name = lsa.String()
 208                 name.string = ctx.realm
 209                 info = lsaconn.QueryTrustedDomainInfoByName(pol_handle, name, lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO)
 210
 211                 lsaconn.DeleteTrustedDomain(pol_handle, info.info_ex.sid)
 212
 213                 name = lsa.String()
 214                 name.string = ctx.forest_domain_name
 215                 info = lsaconn.QueryTrustedDomainInfoByName(pol_handle, name, lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO)
 216
 217                 lsaconn.DeleteTrustedDomain(pol_handle, info.info_ex.sid)
 218
 219         except Exception:
 220             pass
 221
 222     def promote_possible(ctx):
 223         """confirm that the account is just a bare NT4 BDC or a member server, so can be safely promoted"""
 224         if ctx.subdomain:
 225             # This shouldn't happen
 226             raise Exception("Can not promote into a subdomain")
 227
 228         res = ctx.samdb.search(base=ctx.samdb.get_default_basedn(),
 229                                expression='sAMAccountName=%s' % ldb.binary_encode(ctx.samname),
 230                                attrs=["msDS-krbTgtLink", "userAccountControl", "serverReferenceBL", "rIDSetReferences"])
 231         if len(res) == 0:
 232             raise Exception("Could not find domain member account '%s' to promote to a DC, use 'samba-tool domain join' instead'" % ctx.samname)
 233         if "msDS-krbTgtLink" in res[0] or "serverReferenceBL" in res[0] or "rIDSetReferences" in res[0]:
 234             raise Exception("Account '%s' appears to be an active DC, use 'samba-tool domain join' if you must re-create this account" % ctx.samname)
 235         if (int(res[0]["userAccountControl"][0]) & (samba.dsdb.UF_WORKSTATION_TRUST_ACCOUNT|samba.dsdb.UF_SERVER_TRUST_ACCOUNT) == 0):
 236             raise Exception("Account %s is not a domain member or a bare NT4 BDC, use 'samba-tool domain join' instead'" % ctx.samname)
 237
 238         ctx.promote_from_dn = res[0].dn
 239
 240
 241     def find_dc(ctx, domain):
 242         """find a writeable DC for the given domain"""
 243         try:
 244             ctx.cldap_ret = ctx.net.finddc(domain=domain, flags=nbt.NBT_SERVER_LDAP | nbt.NBT_SERVER_DS | nbt.NBT_SERVER_WRITABLE)
 245         except Exception:
 246             raise Exception("Failed to find a writeable DC for domain '%s'" % domain)
 247         if ctx.cldap_ret.client_site is not None and ctx.cldap_ret.client_site != "":
 248             ctx.site = ctx.cldap_ret.client_site
 249         return ctx.cldap_ret.pdc_dns_name
 250
 251
 252     def get_behavior_version(ctx):
 253         res = ctx.samdb.search(base=ctx.base_dn, scope=ldb.SCOPE_BASE, attrs=["msDS-Behavior-Version"])
 254         if "msDS-Behavior-Version" in res[0]:
 255             return int(res[0]["msDS-Behavior-Version"][0])
 256         else:
 257             return samba.dsdb.DS_DOMAIN_FUNCTION_2000
 258
 259     def get_dnsHostName(ctx):
 260         res = ctx.samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["dnsHostName"])
 261         return res[0]["dnsHostName"][0]
 262
 263     def get_domain_name(ctx):
 264         '''get netbios name of the domain from the partitions record'''
 265         partitions_dn = ctx.samdb.get_partitions_dn()
 266         res = ctx.samdb.search(base=partitions_dn, scope=ldb.SCOPE_ONELEVEL, attrs=["nETBIOSName"],
 267                                expression='ncName=%s' % ctx.samdb.get_default_basedn())
 268         return res[0]["nETBIOSName"][0]
 269
 270     def get_forest_domain_name(ctx):
 271         '''get netbios name of the domain from the partitions record'''
 272         partitions_dn = ctx.samdb.get_partitions_dn()
 273         res = ctx.samdb.search(base=partitions_dn, scope=ldb.SCOPE_ONELEVEL, attrs=["nETBIOSName"],
 274                                expression='ncName=%s' % ctx.samdb.get_root_basedn())
 275         return res[0]["nETBIOSName"][0]
 276
 277     def get_parent_partition_dn(ctx):
 278         '''get the parent domain partition DN from parent DNS name'''
 279         res = ctx.samdb.search(base=ctx.config_dn, attrs=[],
 280                                expression='(&(objectclass=crossRef)(dnsRoot=%s)(systemFlags:%s:=%u))' %
 281                                (ctx.parent_dnsdomain, ldb.OID_COMPARATOR_AND, samba.dsdb.SYSTEM_FLAG_CR_NTDS_DOMAIN))
 282         return str(res[0].dn)
 283
 284     def get_naming_master(ctx):
 285         '''get the parent domain partition DN from parent DNS name'''
 286         res = ctx.samdb.search(base='CN=Partitions,%s' % ctx.config_dn, attrs=['fSMORoleOwner'],
 287                                scope=ldb.SCOPE_BASE, controls=["extended_dn:1:1"])
 288         if not 'fSMORoleOwner' in res[0]:
 289             raise DCJoinException("Can't find naming master on partition DN %s" % ctx.partition_dn)
 290         master_guid = str(misc.GUID(ldb.Dn(ctx.samdb, res[0]['fSMORoleOwner'][0]).get_extended_component('GUID')))
 291         master_host = '%s._msdcs.%s' % (master_guid, ctx.dnsforest)
 292         return master_host
 293
 294     def get_mysid(ctx):
 295         '''get the SID of the connected user. Only works with w2k8 and later,
 296            so only used for RODC join'''
 297         res = ctx.samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["tokenGroups"])
 298         binsid = res[0]["tokenGroups"][0]
 299         return ctx.samdb.schema_format_value("objectSID", binsid)
 300
 301     def dn_exists(ctx, dn):
 302         '''check if a DN exists'''
 303         try:
 304             res = ctx.samdb.search(base=dn, scope=ldb.SCOPE_BASE, attrs=[])
 305         except ldb.LdbError, (enum, estr):
 306             if enum == ldb.ERR_NO_SUCH_OBJECT:
 307                 return False
 308             raise
 309         return True
 310
 311     def add_krbtgt_account(ctx):
 312         '''RODCs need a special krbtgt account'''
 313         print "Adding %s" % ctx.krbtgt_dn
 314         rec = {
 315             "dn" : ctx.krbtgt_dn,
 316             "objectclass" : "user",
 317             "useraccountcontrol" : str(samba.dsdb.UF_NORMAL_ACCOUNT |
 318                                        samba.dsdb.UF_ACCOUNTDISABLE),
 319             "showinadvancedviewonly" : "TRUE",
 320             "description" : "krbtgt for %s" % ctx.samname}
 321         ctx.samdb.add(rec, ["rodc_join:1:1"])
 322
 323         # now we need to search for the samAccountName attribute on the krbtgt DN,
 324         # as this will have been magically set to the krbtgt number
 325         res = ctx.samdb.search(base=ctx.krbtgt_dn, scope=ldb.SCOPE_BASE, attrs=["samAccountName"])
 326         ctx.krbtgt_name = res[0]["samAccountName"][0]
 327
 328         print "Got krbtgt_name=%s" % ctx.krbtgt_name
 329
 330         m = ldb.Message()
 331         m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
 332         m["msDS-krbTgtLink"] = ldb.MessageElement(ctx.krbtgt_dn,
 333                                                   ldb.FLAG_MOD_REPLACE, "msDS-krbTgtLink")
 334         ctx.samdb.modify(m)
 335
 336         ctx.new_krbtgt_dn = "CN=%s,CN=Users,%s" % (ctx.krbtgt_name, ctx.base_dn)
 337         print "Renaming %s to %s" % (ctx.krbtgt_dn, ctx.new_krbtgt_dn)
 338         ctx.samdb.rename(ctx.krbtgt_dn, ctx.new_krbtgt_dn)
 339
 340     def drsuapi_connect(ctx):
 341         '''make a DRSUAPI connection to the naming master'''
 342         binding_options = "seal"
 343         if int(ctx.lp.get("log level")) >= 4:
 344             binding_options += ",print"
 345         binding_string = "ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options)
 346         ctx.drsuapi = drsuapi.drsuapi(binding_string, ctx.lp, ctx.creds)
 347         (ctx.drsuapi_handle, ctx.bind_supported_extensions) = drs_utils.drs_DsBind(ctx.drsuapi)
 348
 349     def create_tmp_samdb(ctx):
 350         '''create a temporary samdb object for schema queries'''
 351         ctx.tmp_schema = Schema(security.dom_sid(ctx.domsid),
 352                                 schemadn=ctx.schema_dn)
 353         ctx.tmp_samdb = SamDB(session_info=system_session(), url=None, auto_connect=False,
 354                               credentials=ctx.creds, lp=ctx.lp, global_schema=False,
 355                               am_rodc=False)
 356         ctx.tmp_samdb.set_schema(ctx.tmp_schema)
 357
 358     def build_DsReplicaAttribute(ctx, attrname, attrvalue):
 359         '''build a DsReplicaAttributeCtr object'''
 360         r = drsuapi.DsReplicaAttribute()
 361         r.attid = ctx.tmp_samdb.get_attid_from_lDAPDisplayName(attrname)
 362         r.value_ctr = 1
 363
 364
 365     def DsAddEntry(ctx, recs):
 366         '''add a record via the DRSUAPI DsAddEntry call'''
 367         if ctx.drsuapi is None:
 368             ctx.drsuapi_connect()
 369         if ctx.tmp_samdb is None:
 370             ctx.create_tmp_samdb()
 371
 372         objects = []
 373         for rec in recs:
 374             id = drsuapi.DsReplicaObjectIdentifier()
 375             id.dn = rec['dn']
 376
 377             attrs = []
 378             for a in rec:
 379                 if a == 'dn':
 380                     continue
 381                 if not isinstance(rec[a], list):
 382                     v = [rec[a]]
 383                 else:
 384                     v = rec[a]
 385                 rattr = ctx.tmp_samdb.dsdb_DsReplicaAttribute(ctx.tmp_samdb, a, v)
 386                 attrs.append(rattr)
 387
 388             attribute_ctr = drsuapi.DsReplicaAttributeCtr()
 389             attribute_ctr.num_attributes = len(attrs)
 390             attribute_ctr.attributes = attrs
 391
 392             object = drsuapi.DsReplicaObject()
 393             object.identifier = id
 394             object.attribute_ctr = attribute_ctr
 395
 396             list_object = drsuapi.DsReplicaObjectListItem()
 397             list_object.object = object
 398             objects.append(list_object)
 399
 400         req2 = drsuapi.DsAddEntryRequest2()
 401         req2.first_object = objects[0]
 402         prev = req2.first_object
 403         for o in objects[1:]:
 404             prev.next_object = o
 405             prev = o
 406
 407         (level, ctr) = ctx.drsuapi.DsAddEntry(ctx.drsuapi_handle, 2, req2)
 408         if level == 2:
 409             if ctr.dir_err != drsuapi.DRSUAPI_DIRERR_OK:
 410                 print("DsAddEntry failed with dir_err %u" % ctr.dir_err)
 411                 raise RuntimeError("DsAddEntry failed")
 412             if ctr.extended_err != (0, 'WERR_OK'):
 413                 print("DsAddEntry failed with status %s info %s" % (ctr.extended_err))
 414                 raise RuntimeError("DsAddEntry failed")
 415         if level == 3:
 416             if ctr.err_ver != 1:
 417                 raise RuntimeError("expected err_ver 1, got %u" % ctr.err_ver)
 418             if ctr.err_data.status != (0, 'WERR_OK'):
 419                 print("DsAddEntry failed with status %s info %s" % (ctr.err_data.status,
 420                                                                     ctr.err_data.info.extended_err))
 421                 raise RuntimeError("DsAddEntry failed")
 422             if ctr.err_data.dir_err != drsuapi.DRSUAPI_DIRERR_OK:
 423                 print("DsAddEntry failed with dir_err %u" % ctr.err_data.dir_err)
 424                 raise RuntimeError("DsAddEntry failed")
 425
 426         return ctr.objects
 427
 428     def join_add_ntdsdsa(ctx):
 429         '''add the ntdsdsa object'''
 430
 431         print "Adding %s" % ctx.ntds_dn
 432         rec = {
 433             "dn" : ctx.ntds_dn,
 434             "objectclass" : "nTDSDSA",
 435             "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE),
 436             "dMDLocation" : ctx.schema_dn}
 437
 438         nc_list = [ ctx.base_dn, ctx.config_dn, ctx.schema_dn ]
 439
 440         if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 441             rec["msDS-Behavior-Version"] = str(samba.dsdb.DS_DOMAIN_FUNCTION_2008_R2)
 442
 443         if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 444             rec["msDS-HasDomainNCs"] = ctx.base_dn
 445
 446         if ctx.RODC:
 447             rec["objectCategory"] = "CN=NTDS-DSA-RO,%s" % ctx.schema_dn
 448             rec["msDS-HasFullReplicaNCs"] = ctx.nc_list
 449             rec["options"] = "37"
 450             ctx.samdb.add(rec, ["rodc_join:1:1"])
 451         else:
 452             rec["objectCategory"] = "CN=NTDS-DSA,%s" % ctx.schema_dn
 453             rec["HasMasterNCs"]      = nc_list
 454             if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 455                 rec["msDS-HasMasterNCs"] = ctx.nc_list
 456             rec["options"] = "1"
 457             rec["invocationId"] = ndr_pack(ctx.invocation_id)
 458             ctx.DsAddEntry([rec])
 459
 460         # find the GUID of our NTDS DN
 461         res = ctx.samdb.search(base=ctx.ntds_dn, scope=ldb.SCOPE_BASE, attrs=["objectGUID"])
 462         ctx.ntds_guid = misc.GUID(ctx.samdb.schema_format_value("objectGUID", res[0]["objectGUID"][0]))
 463
 464     def join_add_objects(ctx):
 465         '''add the various objects needed for the join'''
 466         if ctx.acct_dn:
 467             print "Adding %s" % ctx.acct_dn
 468             rec = {
 469                 "dn" : ctx.acct_dn,
 470                 "objectClass": "computer",
 471                 "displayname": ctx.samname,
 472                 "samaccountname" : ctx.samname,
 473                 "userAccountControl" : str(ctx.userAccountControl | samba.dsdb.UF_ACCOUNTDISABLE),
 474                 "dnshostname" : ctx.dnshostname}
 475             if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2008:
 476                 rec['msDS-SupportedEncryptionTypes'] = str(samba.dsdb.ENC_ALL_TYPES)
 477             elif ctx.promote_existing:
 478                 rec['msDS-SupportedEncryptionTypes'] = []
 479             if ctx.managedby:
 480                 rec["managedby"] = ctx.managedby
 481             elif ctx.promote_existing:
 482                 rec["managedby"] = []
 483
 484             if ctx.never_reveal_sid:
 485                 rec["msDS-NeverRevealGroup"] = ctx.never_reveal_sid
 486             elif ctx.promote_existing:
 487                 rec["msDS-NeverRevealGroup"] = []
 488
 489             if ctx.reveal_sid:
 490                 rec["msDS-RevealOnDemandGroup"] = ctx.reveal_sid
 491             elif ctx.promote_existing:
 492                 rec["msDS-RevealOnDemandGroup"] = []
 493
 494             if ctx.promote_existing:
 495                 if ctx.promote_from_dn != ctx.acct_dn:
 496                     ctx.samdb.rename(ctx.promote_from_dn, ctx.acct_dn)
 497                 ctx.samdb.modify(ldb.Message.from_dict(ctx.samdb, rec, ldb.FLAG_MOD_REPLACE))
 498             else:
 499                 ctx.samdb.add(rec)
 500
 501         if ctx.krbtgt_dn:
 502             ctx.add_krbtgt_account()
 503
 504         print "Adding %s" % ctx.server_dn
 505         rec = {
 506             "dn": ctx.server_dn,
 507             "objectclass" : "server",
 508             # windows uses 50000000 decimal for systemFlags. A windows hex/decimal mixup bug?
 509             "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_CONFIG_ALLOW_RENAME |
 510                                 samba.dsdb.SYSTEM_FLAG_CONFIG_ALLOW_LIMITED_MOVE |
 511                                 samba.dsdb.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE),
 512             # windows seems to add the dnsHostName later
 513             "dnsHostName" : ctx.dnshostname}
 514
 515         if ctx.acct_dn:
 516             rec["serverReference"] = ctx.acct_dn
 517
 518         ctx.samdb.add(rec)
 519
 520         if ctx.subdomain:
 521             # the rest is done after replication
 522             ctx.ntds_guid = None
 523             return
 524
 525         ctx.join_add_ntdsdsa()
 526
 527         if ctx.connection_dn is not None:
 528             print "Adding %s" % ctx.connection_dn
 529             rec = {
 530                 "dn" : ctx.connection_dn,
 531                 "objectclass" : "nTDSConnection",
 532                 "enabledconnection" : "TRUE",
 533                 "options" : "65",
 534                 "fromServer" : ctx.dc_ntds_dn}
 535             ctx.samdb.add(rec)
 536
 537         if ctx.acct_dn:
 538             print "Adding SPNs to %s" % ctx.acct_dn
 539             m = ldb.Message()
 540             m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
 541             for i in range(len(ctx.SPNs)):
 542                 ctx.SPNs[i] = ctx.SPNs[i].replace("$NTDSGUID", str(ctx.ntds_guid))
 543             m["servicePrincipalName"] = ldb.MessageElement(ctx.SPNs,
 544                                                            ldb.FLAG_MOD_REPLACE,
 545                                                            "servicePrincipalName")
 546             ctx.samdb.modify(m)
 547
 548             # The account password set operation should normally be done over
 549             # LDAP. Windows 2000 DCs however allow this only with SSL
 550             # connections which are hard to set up and otherwise refuse with
 551             # ERR_UNWILLING_TO_PERFORM. In this case we fall back to libnet
 552             # over SAMR.
 553             print "Setting account password for %s" % ctx.samname
 554             try:
 555                 ctx.samdb.setpassword("(&(objectClass=user)(sAMAccountName=%s))"
 556                                       % ldb.binary_encode(ctx.samname),
 557                                       ctx.acct_pass,
 558                                       force_change_at_next_login=False,
 559                                       username=ctx.samname)
 560             except ldb.LdbError, (num, _):
 561                 if num != ldb.ERR_UNWILLING_TO_PERFORM:
 562                     pass
 563                 ctx.net.set_password(account_name=ctx.samname,
 564                                      domain_name=ctx.domain_name,
 565                                      newpassword=ctx.acct_pass)
 566
 567             res = ctx.samdb.search(base=ctx.acct_dn, scope=ldb.SCOPE_BASE,
 568                                    attrs=["msDS-KeyVersionNumber"])
 569             if "msDS-KeyVersionNumber" in res[0]:
 570                 ctx.key_version_number = int(res[0]["msDS-KeyVersionNumber"][0])
 571             else:
 572                 ctx.key_version_number = None
 573
 574             print("Enabling account")
 575             m = ldb.Message()
 576             m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
 577             m["userAccountControl"] = ldb.MessageElement(str(ctx.userAccountControl),
 578                                                          ldb.FLAG_MOD_REPLACE,
 579                                                          "userAccountControl")
 580             ctx.samdb.modify(m)
 581
 582     def join_add_objects2(ctx):
 583         """add the various objects needed for the join, for subdomains post replication"""
 584
 585         print "Adding %s" % ctx.partition_dn
 586         # NOTE: windows sends a ntSecurityDescriptor here, we
 587         # let it default
 588         rec = {
 589             "dn" : ctx.partition_dn,
 590             "objectclass" : "crossRef",
 591             "objectCategory" : "CN=Cross-Ref,%s" % ctx.schema_dn,
 592             "nCName" : ctx.base_dn,
 593             "nETBIOSName" : ctx.domain_name,
 594             "dnsRoot": ctx.dnsdomain,
 595             "trustParent" : ctx.parent_partition_dn,
 596             "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_CR_NTDS_NC|samba.dsdb.SYSTEM_FLAG_CR_NTDS_DOMAIN)}
 597         if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 598             rec["msDS-Behavior-Version"] = str(ctx.behavior_version)
 599
 600         rec2 = {
 601             "dn" : ctx.ntds_dn,
 602             "objectclass" : "nTDSDSA",
 603             "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE),
 604             "dMDLocation" : ctx.schema_dn}
 605
 606         nc_list = [ ctx.base_dn, ctx.config_dn, ctx.schema_dn ]
 607
 608         if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 609             rec2["msDS-Behavior-Version"] = str(ctx.behavior_version)
 610
 611         if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 612             rec2["msDS-HasDomainNCs"] = ctx.base_dn
 613
 614         rec2["objectCategory"] = "CN=NTDS-DSA,%s" % ctx.schema_dn
 615         rec2["HasMasterNCs"]      = nc_list
 616         if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 617             rec2["msDS-HasMasterNCs"] = ctx.nc_list
 618         rec2["options"] = "1"
 619         rec2["invocationId"] = ndr_pack(ctx.invocation_id)
 620
 621         objects = ctx.DsAddEntry([rec, rec2])
 622         if len(objects) != 2:
 623             raise DCJoinException("Expected 2 objects from DsAddEntry")
 624
 625         ctx.ntds_guid = objects[1].guid
 626
 627         print("Replicating partition DN")
 628         ctx.repl.replicate(ctx.partition_dn,
 629                            misc.GUID("00000000-0000-0000-0000-000000000000"),
 630                            ctx.ntds_guid,
 631                            exop=drsuapi.DRSUAPI_EXOP_REPL_OBJ,
 632                            replica_flags=drsuapi.DRSUAPI_DRS_WRIT_REP)
 633
 634         print("Replicating NTDS DN")
 635         ctx.repl.replicate(ctx.ntds_dn,
 636                            misc.GUID("00000000-0000-0000-0000-000000000000"),
 637                            ctx.ntds_guid,
 638                            exop=drsuapi.DRSUAPI_EXOP_REPL_OBJ,
 639                            replica_flags=drsuapi.DRSUAPI_DRS_WRIT_REP)
 640
 641     def join_provision(ctx):
 642         """Provision the local SAM."""
 643
 644         print "Calling bare provision"
 645
 646         logger = logging.getLogger("provision")
 647         logger.addHandler(logging.StreamHandler(sys.stdout))
 648         smbconf = ctx.lp.configfile
 649
 650         presult = provision(logger, system_session(), None, smbconf=smbconf,
 651                 targetdir=ctx.targetdir, samdb_fill=FILL_DRS, realm=ctx.realm,
 652                 rootdn=ctx.root_dn, domaindn=ctx.base_dn,
 653                 schemadn=ctx.schema_dn, configdn=ctx.config_dn,
 654                 serverdn=ctx.server_dn, domain=ctx.domain_name,
 655                 hostname=ctx.myname, domainsid=ctx.domsid,
 656                 machinepass=ctx.acct_pass, serverrole="domain controller",
 657                 sitename=ctx.site, lp=ctx.lp, ntdsguid=ctx.ntds_guid,
 658                 use_ntvfs=ctx.use_ntvfs, dns_backend=ctx.dns_backend)
 659         print "Provision OK for domain DN %s" % presult.domaindn
 660         ctx.local_samdb = presult.samdb
 661         ctx.lp          = presult.lp
 662         ctx.paths       = presult.paths
 663         ctx.names       = presult.names
 664
 665     def join_provision_own_domain(ctx):
 666         """Provision the local SAM."""
 667
 668         # we now operate exclusively on the local database, which
 669         # we need to reopen in order to get the newly created schema
 670         print("Reconnecting to local samdb")
 671         ctx.samdb = SamDB(url=ctx.local_samdb.url,
 672                           session_info=system_session(),
 673                           lp=ctx.local_samdb.lp,
 674                           global_schema=False)
 675         ctx.samdb.set_invocation_id(str(ctx.invocation_id))
 676         ctx.local_samdb = ctx.samdb
 677
 678         print("Finding domain GUID from ncName")
 679         res = ctx.local_samdb.search(base=ctx.partition_dn, scope=ldb.SCOPE_BASE, attrs=['ncName'],
 680                                      controls=["extended_dn:1:1"])
 681         domguid = str(misc.GUID(ldb.Dn(ctx.samdb, res[0]['ncName'][0]).get_extended_component('GUID')))
 682         print("Got domain GUID %s" % domguid)
 683
 684         print("Calling own domain provision")
 685
 686         logger = logging.getLogger("provision")
 687         logger.addHandler(logging.StreamHandler(sys.stdout))
 688
 689         secrets_ldb = Ldb(ctx.paths.secrets, session_info=system_session(), lp=ctx.lp)
 690
 691         presult = provision_fill(ctx.local_samdb, secrets_ldb,
 692                                  logger, ctx.names, ctx.paths, domainsid=security.dom_sid(ctx.domsid),
 693                                  domainguid=domguid,
 694                                  targetdir=ctx.targetdir, samdb_fill=FILL_SUBDOMAIN,
 695                                  machinepass=ctx.acct_pass, serverrole="domain controller",
 696                                  lp=ctx.lp, hostip=ctx.names.hostip, hostip6=ctx.names.hostip6,
 697                                  dns_backend=ctx.dns_backend)
 698         print("Provision OK for domain %s" % ctx.names.dnsdomain)
 699
 700     def join_replicate(ctx):
 701         """Replicate the SAM."""
 702
 703         print "Starting replication"
 704         ctx.local_samdb.transaction_start()
 705         try:
 706             source_dsa_invocation_id = misc.GUID(ctx.samdb.get_invocation_id())
 707             if ctx.ntds_guid is None:
 708                 print("Using DS_BIND_GUID_W2K3")
 709                 destination_dsa_guid = misc.GUID(drsuapi.DRSUAPI_DS_BIND_GUID_W2K3)
 710             else:
 711                 destination_dsa_guid = ctx.ntds_guid
 712
 713             if ctx.RODC:
 714                 repl_creds = Credentials()
 715                 repl_creds.guess(ctx.lp)
 716                 repl_creds.set_kerberos_state(DONT_USE_KERBEROS)
 717                 repl_creds.set_username(ctx.samname)
 718                 repl_creds.set_password(ctx.acct_pass)
 719             else:
 720                 repl_creds = ctx.creds
 721
 722             binding_options = "seal"
 723             if int(ctx.lp.get("log level")) >= 5:
 724                 binding_options += ",print"
 725             repl = drs_utils.drs_Replicate(
 726                 "ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options),
 727                 ctx.lp, repl_creds, ctx.local_samdb)
 728
 729             repl.replicate(ctx.schema_dn, source_dsa_invocation_id,
 730                     destination_dsa_guid, schema=True, rodc=ctx.RODC,
 731                     replica_flags=ctx.replica_flags)
 732             repl.replicate(ctx.config_dn, source_dsa_invocation_id,
 733                     destination_dsa_guid, rodc=ctx.RODC,
 734                     replica_flags=ctx.replica_flags)
 735             if not ctx.subdomain:
 736                 # Replicate first the critical object for the basedn
 737                 if not ctx.domain_replica_flags & drsuapi.DRSUAPI_DRS_CRITICAL_ONLY:
 738                     print "Replicating critical objects from the base DN of the domain"
 739                     ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY | drsuapi.DRSUAPI_DRS_GET_ANC
 740                     repl.replicate(ctx.base_dn, source_dsa_invocation_id,
 741                                 destination_dsa_guid, rodc=ctx.RODC,
 742                                 replica_flags=ctx.domain_replica_flags)
 743                     ctx.domain_replica_flags ^= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY | drsuapi.DRSUAPI_DRS_GET_ANC
 744                 else:
 745                     ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_GET_ANC
 746                 repl.replicate(ctx.base_dn, source_dsa_invocation_id,
 747                                destination_dsa_guid, rodc=ctx.RODC,
 748                                replica_flags=ctx.domain_replica_flags)
 749             print "Done with always replicated NC (base, config, schema)"
 750
 751             for nc in (ctx.domaindns_zone, ctx.forestdns_zone):
 752                 if nc in ctx.nc_list:
 753                     print "Replicating %s" % (str(nc))
 754                     repl.replicate(nc, source_dsa_invocation_id,
 755                                     destination_dsa_guid, rodc=ctx.RODC,
 756                                     replica_flags=ctx.replica_flags)
 757
 758             if 'DC=ForestDnsZones,%s' % ctx.root_dn in ctx.nc_list:
 759                 repl.replicate('DC=ForestDnsZones,%s' % ctx.root_dn, source_dsa_invocation_id,
 760                                destination_dsa_guid, rodc=ctx.RODC,
 761                                replica_flags=ctx.replica_flags)
 762             # FIXME At this point we should add an entry in the forestdns and domaindns NC
 763             # (those under CN=Partions,DC=...)
 764             # in order to indicate that we hold a replica for this NC
 765
 766             if ctx.RODC:
 767                 repl.replicate(ctx.acct_dn, source_dsa_invocation_id,
 768                         destination_dsa_guid,
 769                         exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET, rodc=True)
 770                 repl.replicate(ctx.new_krbtgt_dn, source_dsa_invocation_id,
 771                         destination_dsa_guid,
 772                         exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET, rodc=True)
 773             ctx.repl = repl
 774             ctx.source_dsa_invocation_id = source_dsa_invocation_id
 775             ctx.destination_dsa_guid = destination_dsa_guid
 776
 777             print "Committing SAM database"
 778         except:
 779             ctx.local_samdb.transaction_cancel()
 780             raise
 781         else:
 782             ctx.local_samdb.transaction_commit()
 783
 784     def send_DsReplicaUpdateRefs(ctx, dn):
 785         r = drsuapi.DsReplicaUpdateRefsRequest1()
 786         r.naming_context = drsuapi.DsReplicaObjectIdentifier()
 787         r.naming_context.dn = str(dn)
 788         r.naming_context.guid = misc.GUID("00000000-0000-0000-0000-000000000000")
 789         r.naming_context.sid = security.dom_sid("S-0-0")
 790         r.dest_dsa_guid = ctx.ntds_guid
 791         r.dest_dsa_dns_name = "%s._msdcs.%s" % (str(ctx.ntds_guid), ctx.dnsforest)
 792         r.options = drsuapi.DRSUAPI_DRS_ADD_REF | drsuapi.DRSUAPI_DRS_DEL_REF
 793         if not ctx.RODC:
 794             r.options |= drsuapi.DRSUAPI_DRS_WRIT_REP
 795
 796         if ctx.drsuapi:
 797             ctx.drsuapi.DsReplicaUpdateRefs(ctx.drsuapi_handle, 1, r)
 798
 799     def join_finalise(ctx):
 800         """Finalise the join, mark us synchronised and setup secrets db."""
 801
 802         logger = logging.getLogger("provision")
 803         logger.addHandler(logging.StreamHandler(sys.stdout))
 804
 805         # FIXME we shouldn't do this in all cases
 806         # If for some reasons we joined in another site than the one of
 807         # DC we just replicated from then we don't need to send the updatereplicateref
 808         # as replication between sites is time based and on the initiative of the
 809         # requesting DC
 810         print "Sending DsReplicateUpdateRefs for all the replicated partitions"
 811         for nc in ctx.full_nc_list:
 812             ctx.send_DsReplicaUpdateRefs(nc)
 813
 814         if ctx.RODC:
 815             print "Setting RODC invocationId"
 816             ctx.local_samdb.set_invocation_id(str(ctx.invocation_id))
 817             ctx.local_samdb.set_opaque_integer("domainFunctionality",
 818                                                ctx.behavior_version)
 819             m = ldb.Message()
 820             m.dn = ldb.Dn(ctx.local_samdb, "%s" % ctx.ntds_dn)
 821             m["invocationId"] = ldb.MessageElement(ndr_pack(ctx.invocation_id),
 822                                                    ldb.FLAG_MOD_REPLACE,
 823                                                    "invocationId")
 824             ctx.local_samdb.modify(m)
 825
 826             # Note: as RODC the invocationId is only stored
 827             # on the RODC itself, the other DCs never see it.
 828             #
 829             # Thats is why we fix up the replPropertyMetaData stamp
 830             # for the 'invocationId' attribute, we need to change
 831             # the 'version' to '0', this is what windows 2008r2 does as RODC
 832             #
 833             # This means if the object on a RWDC ever gets a invocationId
 834             # attribute, it will have version '1' (or higher), which will
 835             # will overwrite the RODC local value.
 836             ctx.local_samdb.set_attribute_replmetadata_version(m.dn,
 837                                                                "invocationId",
 838                                                                0)
 839
 840         print "Setting isSynchronized and dsServiceName"
 841         m = ldb.Message()
 842         m.dn = ldb.Dn(ctx.local_samdb, '@ROOTDSE')
 843         m["isSynchronized"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_REPLACE, "isSynchronized")
 844         m["dsServiceName"] = ldb.MessageElement("<GUID=%s>" % str(ctx.ntds_guid),
 845                                                 ldb.FLAG_MOD_REPLACE, "dsServiceName")
 846         ctx.local_samdb.modify(m)
 847
 848         if ctx.subdomain:
 849             return
 850
 851         secrets_ldb = Ldb(ctx.paths.secrets, session_info=system_session(), lp=ctx.lp)
 852
 853         print "Setting up secrets database"
 854         secretsdb_self_join(secrets_ldb, domain=ctx.domain_name,
 855                             realm=ctx.realm,
 856                             dnsdomain=ctx.dnsdomain,
 857                             netbiosname=ctx.myname,
 858                             domainsid=security.dom_sid(ctx.domsid),
 859                             machinepass=ctx.acct_pass,
 860                             secure_channel_type=ctx.secure_channel_type,
 861                             key_version_number=ctx.key_version_number)
 862
 863         if ctx.dns_backend.startswith("BIND9_"):
 864             dnspass = samba.generate_random_password(128, 255)
 865
 866             setup_bind9_dns(ctx.local_samdb, secrets_ldb, security.dom_sid(ctx.domsid),
 867                             ctx.names, ctx.paths, ctx.lp, logger,
 868                             dns_backend=ctx.dns_backend,
 869                             dnspass=dnspass, os_level=ctx.behavior_version,
 870                             targetdir=ctx.targetdir)
 871
 872     def join_setup_trusts(ctx):
 873         """provision the local SAM."""
 874
 875         def arcfour_encrypt(key, data):
 876             from Crypto.Cipher import ARC4
 877             c = ARC4.new(key)
 878             return c.encrypt(data)
 879
 880         def string_to_array(string):
 881             blob = [0] * len(string)
 882
 883             for i in range(len(string)):
 884                 blob[i] = ord(string[i])
 885
 886             return blob
 887
 888         print "Setup domain trusts with server %s" % ctx.server
 889         binding_options = ""  # why doesn't signing work here? w2k8r2 claims no session key
 890         lsaconn = lsa.lsarpc("ncacn_np:%s[%s]" % (ctx.server, binding_options),
 891                              ctx.lp, ctx.creds)
 892
 893         objectAttr = lsa.ObjectAttribute()
 894         objectAttr.sec_qos = lsa.QosInfo()
 895
 896         pol_handle = lsaconn.OpenPolicy2(''.decode('utf-8'),
 897                                          objectAttr, security.SEC_FLAG_MAXIMUM_ALLOWED)
 898
 899         info = lsa.TrustDomainInfoInfoEx()
 900         info.domain_name.string = ctx.dnsdomain
 901         info.netbios_name.string = ctx.domain_name
 902         info.sid = security.dom_sid(ctx.domsid)
 903         info.trust_direction = lsa.LSA_TRUST_DIRECTION_INBOUND | lsa.LSA_TRUST_DIRECTION_OUTBOUND
 904         info.trust_type = lsa.LSA_TRUST_TYPE_UPLEVEL
 905         info.trust_attributes = lsa.LSA_TRUST_ATTRIBUTE_WITHIN_FOREST
 906
 907         try:
 908             oldname = lsa.String()
 909             oldname.string = ctx.dnsdomain
 910             oldinfo = lsaconn.QueryTrustedDomainInfoByName(pol_handle, oldname,
 911                                                            lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO)
 912             print("Removing old trust record for %s (SID %s)" % (ctx.dnsdomain, oldinfo.info_ex.sid))
 913             lsaconn.DeleteTrustedDomain(pol_handle, oldinfo.info_ex.sid)
 914         except RuntimeError:
 915             pass
 916
 917         password_blob = string_to_array(ctx.trustdom_pass.encode('utf-16-le'))
 918
 919         clear_value = drsblobs.AuthInfoClear()
 920         clear_value.size = len(password_blob)
 921         clear_value.password = password_blob
 922
 923         clear_authentication_information = drsblobs.AuthenticationInformation()
 924         clear_authentication_information.LastUpdateTime = samba.unix2nttime(int(time.time()))
 925         clear_authentication_information.AuthType = lsa.TRUST_AUTH_TYPE_CLEAR
 926         clear_authentication_information.AuthInfo = clear_value
 927
 928         authentication_information_array = drsblobs.AuthenticationInformationArray()
 929         authentication_information_array.count = 1
 930         authentication_information_array.array = [clear_authentication_information]
 931
 932         outgoing = drsblobs.trustAuthInOutBlob()
 933         outgoing.count = 1
 934         outgoing.current = authentication_information_array
 935
 936         trustpass = drsblobs.trustDomainPasswords()
 937         confounder = [3] * 512
 938
 939         for i in range(512):
 940             confounder[i] = random.randint(0, 255)
 941
 942         trustpass.confounder = confounder
 943
 944         trustpass.outgoing = outgoing
 945         trustpass.incoming = outgoing
 946
 947         trustpass_blob = ndr_pack(trustpass)
 948
 949         encrypted_trustpass = arcfour_encrypt(lsaconn.session_key, trustpass_blob)
 950
 951         auth_blob = lsa.DATA_BUF2()
 952         auth_blob.size = len(encrypted_trustpass)
 953         auth_blob.data = string_to_array(encrypted_trustpass)
 954
 955         auth_info = lsa.TrustDomainInfoAuthInfoInternal()
 956         auth_info.auth_blob = auth_blob
 957
 958         trustdom_handle = lsaconn.CreateTrustedDomainEx2(pol_handle,
 959                                                          info,
 960                                                          auth_info,
 961                                                          security.SEC_STD_DELETE)
 962
 963         rec = {
 964             "dn" : "cn=%s,cn=system,%s" % (ctx.dnsforest, ctx.base_dn),
 965             "objectclass" : "trustedDomain",
 966             "trustType" : str(info.trust_type),
 967             "trustAttributes" : str(info.trust_attributes),
 968             "trustDirection" : str(info.trust_direction),
 969             "flatname" : ctx.forest_domain_name,
 970             "trustPartner" : ctx.dnsforest,
 971             "trustAuthIncoming" : ndr_pack(outgoing),
 972             "trustAuthOutgoing" : ndr_pack(outgoing)
 973             }
 974         ctx.local_samdb.add(rec)
 975
 976         rec = {
 977             "dn" : "cn=%s$,cn=users,%s" % (ctx.forest_domain_name, ctx.base_dn),
 978             "objectclass" : "user",
 979             "userAccountControl" : str(samba.dsdb.UF_INTERDOMAIN_TRUST_ACCOUNT),
 980             "clearTextPassword" : ctx.trustdom_pass.encode('utf-16-le')
 981             }
 982         ctx.local_samdb.add(rec)
 983
 984
 985     def do_join(ctx):
 986         # full_nc_list is the list of naming context (NC) for which we will
 987         # send a updateRef command to the partner DC
 988         ctx.nc_list = [ ctx.config_dn, ctx.schema_dn ]
 989         ctx.full_nc_list = [ctx.base_dn, ctx.config_dn, ctx.schema_dn ]
 990
 991         if not ctx.subdomain:
 992             ctx.nc_list += [ctx.base_dn]
 993             if ctx.dns_backend != "NONE":
 994                 ctx.nc_list += [ctx.domaindns_zone]
 995
 996         if ctx.dns_backend != "NONE":
 997             ctx.full_nc_list += ['DC=DomainDnsZones,%s' % ctx.base_dn]
 998             ctx.full_nc_list += ['DC=ForestDnsZones,%s' % ctx.root_dn]
 999             ctx.nc_list += ['DC=ForestDnsZones,%s' % ctx.root_dn]
1000
1001         if ctx.promote_existing:
1002             ctx.promote_possible()
1003         else:
1004             ctx.cleanup_old_join()
1005
1006         try:
1007             ctx.join_add_objects()
1008             ctx.join_provision()
1009             ctx.join_replicate()
1010             if ctx.subdomain:
1011                 ctx.join_add_objects2()
1012                 ctx.join_provision_own_domain()
1013                 ctx.join_setup_trusts()
1014             ctx.join_finalise()
1015         except:
1016             print "Join failed - cleaning up"
1017             ctx.cleanup_old_join()
1018             raise
1019
1020
1021 def join_RODC(server=None, creds=None, lp=None, site=None, netbios_name=None,
1022               targetdir=None, domain=None, domain_critical_only=False,
1023               machinepass=None, use_ntvfs=False, dns_backend=None,
1024               promote_existing=False):
1025     """Join as a RODC."""
1026
1027     ctx = dc_join(server, creds, lp, site, netbios_name, targetdir, domain,
1028                   machinepass, use_ntvfs, dns_backend, promote_existing)
1029
1030     lp.set("workgroup", ctx.domain_name)
1031     print("workgroup is %s" % ctx.domain_name)
1032
1033     lp.set("realm", ctx.realm)
1034     print("realm is %s" % ctx.realm)
1035
1036     ctx.krbtgt_dn = "CN=krbtgt_%s,CN=Users,%s" % (ctx.myname, ctx.base_dn)
1037
1038     # setup some defaults for accounts that should be replicated to this RODC
1039     ctx.never_reveal_sid = [
1040         "<SID=%s-%s>" % (ctx.domsid, security.DOMAIN_RID_RODC_DENY),
1041         "<SID=%s>" % security.SID_BUILTIN_ADMINISTRATORS,
1042         "<SID=%s>" % security.SID_BUILTIN_SERVER_OPERATORS,
1043         "<SID=%s>" % security.SID_BUILTIN_BACKUP_OPERATORS,
1044         "<SID=%s>" % security.SID_BUILTIN_ACCOUNT_OPERATORS]
1045     ctx.reveal_sid = "<SID=%s-%s>" % (ctx.domsid, security.DOMAIN_RID_RODC_ALLOW)
1046
1047     mysid = ctx.get_mysid()
1048     admin_dn = "<SID=%s>" % mysid
1049     ctx.managedby = admin_dn
1050
1051     ctx.userAccountControl = (samba.dsdb.UF_WORKSTATION_TRUST_ACCOUNT |
1052                               samba.dsdb.UF_TRUSTED_TO_AUTHENTICATE_FOR_DELEGATION |
1053                               samba.dsdb.UF_PARTIAL_SECRETS_ACCOUNT)
1054
1055     ctx.SPNs.extend([ "RestrictedKrbHost/%s" % ctx.myname,
1056                       "RestrictedKrbHost/%s" % ctx.dnshostname ])
1057
1058     ctx.connection_dn = "CN=RODC Connection (FRS),%s" % ctx.ntds_dn
1059     ctx.secure_channel_type = misc.SEC_CHAN_RODC
1060     ctx.RODC = True
1061     ctx.replica_flags  =  (drsuapi.DRSUAPI_DRS_INIT_SYNC |
1062                            drsuapi.DRSUAPI_DRS_PER_SYNC |
1063                            drsuapi.DRSUAPI_DRS_GET_ANC |
1064                            drsuapi.DRSUAPI_DRS_NEVER_SYNCED |
1065                            drsuapi.DRSUAPI_DRS_SPECIAL_SECRET_PROCESSING |
1066                            drsuapi.DRSUAPI_DRS_GET_ALL_GROUP_MEMBERSHIP)
1067     ctx.domain_replica_flags = ctx.replica_flags
1068     if domain_critical_only:
1069         ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY
1070
1071     ctx.do_join()
1072
1073     print "Joined domain %s (SID %s) as an RODC" % (ctx.domain_name, ctx.domsid)
1074
1075
1076 def join_DC(server=None, creds=None, lp=None, site=None, netbios_name=None,
1077             targetdir=None, domain=None, domain_critical_only=False,
1078             machinepass=None, use_ntvfs=False, dns_backend=None,
1079             promote_existing=False):
1080     """Join as a DC."""
1081     ctx = dc_join(server, creds, lp, site, netbios_name, targetdir, domain,
1082                   machinepass, use_ntvfs, dns_backend, promote_existing)
1083
1084     lp.set("workgroup", ctx.domain_name)
1085     print("workgroup is %s" % ctx.domain_name)
1086
1087     lp.set("realm", ctx.realm)
1088     print("realm is %s" % ctx.realm)
1089
1090     ctx.userAccountControl = samba.dsdb.UF_SERVER_TRUST_ACCOUNT | samba.dsdb.UF_TRUSTED_FOR_DELEGATION
1091
1092     ctx.SPNs.append('E3514235-4B06-11D1-AB04-00C04FC2DCD2/$NTDSGUID/%s' % ctx.dnsdomain)
1093     ctx.secure_channel_type = misc.SEC_CHAN_BDC
1094
1095     ctx.replica_flags = (drsuapi.DRSUAPI_DRS_WRIT_REP |
1096                          drsuapi.DRSUAPI_DRS_INIT_SYNC |
1097                          drsuapi.DRSUAPI_DRS_PER_SYNC |
1098                          drsuapi.DRSUAPI_DRS_FULL_SYNC_IN_PROGRESS |
1099                          drsuapi.DRSUAPI_DRS_NEVER_SYNCED)
1100     ctx.domain_replica_flags = ctx.replica_flags
1101     if domain_critical_only:
1102         ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY
1103
1104     ctx.do_join()
1105     print "Joined domain %s (SID %s) as a DC" % (ctx.domain_name, ctx.domsid)
1106
1107 def join_subdomain(server=None, creds=None, lp=None, site=None,
1108         netbios_name=None, targetdir=None, parent_domain=None, dnsdomain=None,
1109         netbios_domain=None, machinepass=None, use_ntvfs=False,
1110         dns_backend=None):
1111     """Join as a DC."""
1112     ctx = dc_join(server, creds, lp, site, netbios_name, targetdir, parent_domain,
1113                   machinepass, use_ntvfs, dns_backend)
1114     ctx.subdomain = True
1115     ctx.parent_domain_name = ctx.domain_name
1116     ctx.domain_name = netbios_domain
1117     ctx.realm = dnsdomain
1118     ctx.parent_dnsdomain = ctx.dnsdomain
1119     ctx.parent_partition_dn = ctx.get_parent_partition_dn()
1120     ctx.dnsdomain = dnsdomain
1121     ctx.partition_dn = "CN=%s,CN=Partitions,%s" % (ctx.domain_name, ctx.config_dn)
1122     ctx.naming_master = ctx.get_naming_master()
1123     if ctx.naming_master != ctx.server:
1124         print("Reconnecting to naming master %s" % ctx.naming_master)
1125         ctx.server = ctx.naming_master
1126         ctx.samdb = SamDB(url="ldap://%s" % ctx.server,
1127                           session_info=system_session(),
1128                           credentials=ctx.creds, lp=ctx.lp)
1129
1130     ctx.base_dn = samba.dn_from_dns_name(dnsdomain)
1131     ctx.domsid = str(security.random_sid())
1132     ctx.acct_dn = None
1133     ctx.dnshostname = "%s.%s" % (ctx.myname, ctx.dnsdomain)
1134     ctx.trustdom_pass = samba.generate_random_password(128, 128)
1135
1136     ctx.userAccountControl = samba.dsdb.UF_SERVER_TRUST_ACCOUNT | samba.dsdb.UF_TRUSTED_FOR_DELEGATION
1137
1138     ctx.SPNs.append('E3514235-4B06-11D1-AB04-00C04FC2DCD2/$NTDSGUID/%s' % ctx.dnsdomain)
1139     ctx.secure_channel_type = misc.SEC_CHAN_BDC
1140
1141     ctx.replica_flags = (drsuapi.DRSUAPI_DRS_WRIT_REP |
1142                          drsuapi.DRSUAPI_DRS_INIT_SYNC |
1143                          drsuapi.DRSUAPI_DRS_PER_SYNC |
1144                          drsuapi.DRSUAPI_DRS_FULL_SYNC_IN_PROGRESS |
1145                          drsuapi.DRSUAPI_DRS_NEVER_SYNCED)
1146     ctx.domain_replica_flags = ctx.replica_flags
1147
1148     ctx.do_join()
1149     print "Created domain %s (SID %s) as a DC" % (ctx.domain_name, ctx.domsid)