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