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