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.dsdb import DS_DOMAIN_FUNCTION_2003
  28 from samba.credentials import Credentials, DONT_USE_KERBEROS
  29 from samba.provision import secretsdb_self_join, provision, provision_fill, FILL_DRS, FILL_SUBDOMAIN
  30 from samba.provision.common import setup_path
  31 from samba.schema import Schema
  32 from samba.net import Net
  33 from samba.provision.sambadns import setup_bind9_dns
  34 from samba import read_and_sub_file
  35 from base64 import b64encode
  36 import logging
  37 import talloc
  38 import random
  39 import time
  40
  41 # this makes debugging easier
  42 talloc.enable_null_tracking()
  43
  44 class DCJoinException(Exception):
  45
  46     def __init__(self, msg):
  47         super(DCJoinException, self).__init__("Can't join, error: %s" % msg)
  48
  49
  50 class dc_join(object):
  51     """Perform a DC join."""
  52
  53     def __init__(ctx, logger=None, server=None, creds=None, lp=None, site=None,
  54                  netbios_name=None, targetdir=None, domain=None,
  55                  machinepass=None, use_ntvfs=False, dns_backend=None,
  56                  promote_existing=False):
  57         ctx.logger = logger
  58         ctx.creds = creds
  59         ctx.lp = lp
  60         ctx.site = site
  61         ctx.netbios_name = netbios_name
  62         ctx.targetdir = targetdir
  63         ctx.use_ntvfs = use_ntvfs
  64
  65         ctx.promote_existing = promote_existing
  66         ctx.promote_from_dn = None
  67
  68         ctx.nc_list = []
  69
  70         ctx.creds.set_gensec_features(creds.get_gensec_features() | gensec.FEATURE_SEAL)
  71         ctx.net = Net(creds=ctx.creds, lp=ctx.lp)
  72
  73         if server is not None:
  74             ctx.server = server
  75         else:
  76             ctx.logger.info("Finding a writeable DC for domain '%s'" % domain)
  77             ctx.server = ctx.find_dc(domain)
  78             ctx.logger.info("Found DC %s" % ctx.server)
  79
  80         ctx.samdb = SamDB(url="ldap://%s" % ctx.server,
  81                           session_info=system_session(),
  82                           credentials=ctx.creds, lp=ctx.lp)
  83
  84         try:
  85             ctx.samdb.search(scope=ldb.SCOPE_ONELEVEL, attrs=["dn"])
  86         except ldb.LdbError, (enum, estr):
  87             raise DCJoinException(estr)
  88
  89
  90         ctx.myname = netbios_name
  91         ctx.samname = "%s$" % ctx.myname
  92         ctx.base_dn = str(ctx.samdb.get_default_basedn())
  93         ctx.root_dn = str(ctx.samdb.get_root_basedn())
  94         ctx.schema_dn = str(ctx.samdb.get_schema_basedn())
  95         ctx.config_dn = str(ctx.samdb.get_config_basedn())
  96         ctx.domsid = ctx.samdb.get_domain_sid()
  97         ctx.domain_name = ctx.get_domain_name()
  98         ctx.forest_domain_name = ctx.get_forest_domain_name()
  99         ctx.invocation_id = misc.GUID(str(uuid.uuid4()))
 100
 101         ctx.dc_ntds_dn = ctx.samdb.get_dsServiceName()
 102         ctx.dc_dnsHostName = ctx.get_dnsHostName()
 103         ctx.behavior_version = ctx.get_behavior_version()
 104
 105         if machinepass is not None:
 106             ctx.acct_pass = machinepass
 107         else:
 108             ctx.acct_pass = samba.generate_random_password(32, 40)
 109
 110         # work out the DNs of all the objects we will be adding
 111         ctx.server_dn = "CN=%s,CN=Servers,CN=%s,CN=Sites,%s" % (ctx.myname, ctx.site, ctx.config_dn)
 112         ctx.ntds_dn = "CN=NTDS Settings,%s" % ctx.server_dn
 113         topology_base = "CN=Topology,CN=Domain System Volume,CN=DFSR-GlobalSettings,CN=System,%s" % ctx.base_dn
 114         if ctx.dn_exists(topology_base):
 115             ctx.topology_dn = "CN=%s,%s" % (ctx.myname, topology_base)
 116         else:
 117             ctx.topology_dn = None
 118
 119         ctx.dnsdomain = ctx.samdb.domain_dns_name()
 120         ctx.dnsforest = ctx.samdb.forest_dns_name()
 121         ctx.domaindns_zone = 'DC=DomainDnsZones,%s' % ctx.base_dn
 122         ctx.forestdns_zone = 'DC=ForestDnsZones,%s' % ctx.root_dn
 123
 124         res_domaindns = ctx.samdb.search(scope=ldb.SCOPE_ONELEVEL,
 125                                          attrs=[],
 126                                          base=ctx.samdb.get_partitions_dn(),
 127                                          expression="(&(objectClass=crossRef)(ncName=%s))" % ctx.domaindns_zone)
 128         if dns_backend is None:
 129             ctx.dns_backend = "NONE"
 130         else:
 131             if len(res_domaindns) == 0:
 132                 ctx.dns_backend = "NONE"
 133                 print "NO DNS zone information found in source domain, not replicating DNS"
 134             else:
 135                 ctx.dns_backend = dns_backend
 136
 137         ctx.dnshostname = "%s.%s" % (ctx.myname, ctx.dnsdomain)
 138
 139         ctx.realm = ctx.dnsdomain
 140
 141         ctx.acct_dn = "CN=%s,OU=Domain Controllers,%s" % (ctx.myname, ctx.base_dn)
 142
 143         ctx.tmp_samdb = None
 144
 145         ctx.SPNs = [ "HOST/%s" % ctx.myname,
 146                      "HOST/%s" % ctx.dnshostname,
 147                      "GC/%s/%s" % (ctx.dnshostname, ctx.dnsforest) ]
 148
 149         # these elements are optional
 150         ctx.never_reveal_sid = None
 151         ctx.reveal_sid = None
 152         ctx.connection_dn = None
 153         ctx.RODC = False
 154         ctx.krbtgt_dn = None
 155         ctx.drsuapi = None
 156         ctx.managedby = None
 157         ctx.subdomain = False
 158         ctx.adminpass = None
 159
 160     def del_noerror(ctx, dn, recursive=False):
 161         if recursive:
 162             try:
 163                 res = ctx.samdb.search(base=dn, scope=ldb.SCOPE_ONELEVEL, attrs=["dn"])
 164             except Exception:
 165                 return
 166             for r in res:
 167                 ctx.del_noerror(r.dn, recursive=True)
 168         try:
 169             ctx.samdb.delete(dn)
 170             print "Deleted %s" % dn
 171         except Exception:
 172             pass
 173
 174     def cleanup_old_join(ctx):
 175         """Remove any DNs from a previous join."""
 176         try:
 177             # find the krbtgt link
 178             print("checking sAMAccountName")
 179             if ctx.subdomain:
 180                 res = None
 181             else:
 182                 res = ctx.samdb.search(base=ctx.samdb.get_default_basedn(),
 183                                        expression='sAMAccountName=%s' % ldb.binary_encode(ctx.samname),
 184                                        attrs=["msDS-krbTgtLink"])
 185                 if res:
 186                     ctx.del_noerror(res[0].dn, recursive=True)
 187
 188                 res = ctx.samdb.search(base=ctx.samdb.get_default_basedn(),
 189                                        expression='(&(sAMAccountName=%s)(servicePrincipalName=%s))' % (ldb.binary_encode("dns-%s" % ctx.myname), ldb.binary_encode("dns/%s" % ctx.dnshostname)),
 190                                        attrs=[])
 191                 if res:
 192                     ctx.del_noerror(res[0].dn, recursive=True)
 193
 194                 res = ctx.samdb.search(base=ctx.samdb.get_default_basedn(),
 195                                        expression='(sAMAccountName=%s)' % ldb.binary_encode("dns-%s" % ctx.myname),
 196                                        attrs=[])
 197                 if res:
 198                     raise RuntimeError("Not removing account %s which looks like a Samba DNS service account but does not have servicePrincipalName=%s" % (ldb.binary_encode("dns-%s" % ctx.myname), ldb.binary_encode("dns/%s" % ctx.dnshostname)))
 199
 200             if ctx.connection_dn is not None:
 201                 ctx.del_noerror(ctx.connection_dn)
 202             if ctx.krbtgt_dn is not None:
 203                 ctx.del_noerror(ctx.krbtgt_dn)
 204             ctx.del_noerror(ctx.ntds_dn)
 205             ctx.del_noerror(ctx.server_dn, recursive=True)
 206             if ctx.topology_dn:
 207                 ctx.del_noerror(ctx.topology_dn)
 208             if ctx.partition_dn:
 209                 ctx.del_noerror(ctx.partition_dn)
 210             if res:
 211                 ctx.new_krbtgt_dn = res[0]["msDS-Krbtgtlink"][0]
 212                 ctx.del_noerror(ctx.new_krbtgt_dn)
 213
 214             if ctx.subdomain:
 215                 binding_options = "sign"
 216                 lsaconn = lsa.lsarpc("ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options),
 217                                      ctx.lp, ctx.creds)
 218
 219                 objectAttr = lsa.ObjectAttribute()
 220                 objectAttr.sec_qos = lsa.QosInfo()
 221
 222                 pol_handle = lsaconn.OpenPolicy2(''.decode('utf-8'),
 223                                                  objectAttr, security.SEC_FLAG_MAXIMUM_ALLOWED)
 224
 225                 name = lsa.String()
 226                 name.string = ctx.realm
 227                 info = lsaconn.QueryTrustedDomainInfoByName(pol_handle, name, lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO)
 228
 229                 lsaconn.DeleteTrustedDomain(pol_handle, info.info_ex.sid)
 230
 231                 name = lsa.String()
 232                 name.string = ctx.forest_domain_name
 233                 info = lsaconn.QueryTrustedDomainInfoByName(pol_handle, name, lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO)
 234
 235                 lsaconn.DeleteTrustedDomain(pol_handle, info.info_ex.sid)
 236
 237         except Exception:
 238             pass
 239
 240     def promote_possible(ctx):
 241         """confirm that the account is just a bare NT4 BDC or a member server, so can be safely promoted"""
 242         if ctx.subdomain:
 243             # This shouldn't happen
 244             raise Exception("Can not promote into a subdomain")
 245
 246         res = ctx.samdb.search(base=ctx.samdb.get_default_basedn(),
 247                                expression='sAMAccountName=%s' % ldb.binary_encode(ctx.samname),
 248                                attrs=["msDS-krbTgtLink", "userAccountControl", "serverReferenceBL", "rIDSetReferences"])
 249         if len(res) == 0:
 250             raise Exception("Could not find domain member account '%s' to promote to a DC, use 'samba-tool domain join' instead'" % ctx.samname)
 251         if "msDS-krbTgtLink" in res[0] or "serverReferenceBL" in res[0] or "rIDSetReferences" in res[0]:
 252             raise Exception("Account '%s' appears to be an active DC, use 'samba-tool domain join' if you must re-create this account" % ctx.samname)
 253         if (int(res[0]["userAccountControl"][0]) & (samba.dsdb.UF_WORKSTATION_TRUST_ACCOUNT|samba.dsdb.UF_SERVER_TRUST_ACCOUNT) == 0):
 254             raise Exception("Account %s is not a domain member or a bare NT4 BDC, use 'samba-tool domain join' instead'" % ctx.samname)
 255
 256         ctx.promote_from_dn = res[0].dn
 257
 258
 259     def find_dc(ctx, domain):
 260         """find a writeable DC for the given domain"""
 261         try:
 262             ctx.cldap_ret = ctx.net.finddc(domain=domain, flags=nbt.NBT_SERVER_LDAP | nbt.NBT_SERVER_DS | nbt.NBT_SERVER_WRITABLE)
 263         except Exception:
 264             raise Exception("Failed to find a writeable DC for domain '%s'" % domain)
 265         if ctx.cldap_ret.client_site is not None and ctx.cldap_ret.client_site != "":
 266             ctx.site = ctx.cldap_ret.client_site
 267         return ctx.cldap_ret.pdc_dns_name
 268
 269
 270     def get_behavior_version(ctx):
 271         res = ctx.samdb.search(base=ctx.base_dn, scope=ldb.SCOPE_BASE, attrs=["msDS-Behavior-Version"])
 272         if "msDS-Behavior-Version" in res[0]:
 273             return int(res[0]["msDS-Behavior-Version"][0])
 274         else:
 275             return samba.dsdb.DS_DOMAIN_FUNCTION_2000
 276
 277     def get_dnsHostName(ctx):
 278         res = ctx.samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["dnsHostName"])
 279         return res[0]["dnsHostName"][0]
 280
 281     def get_domain_name(ctx):
 282         '''get netbios name of the domain from the partitions record'''
 283         partitions_dn = ctx.samdb.get_partitions_dn()
 284         res = ctx.samdb.search(base=partitions_dn, scope=ldb.SCOPE_ONELEVEL, attrs=["nETBIOSName"],
 285                                expression='ncName=%s' % ctx.samdb.get_default_basedn())
 286         return res[0]["nETBIOSName"][0]
 287
 288     def get_forest_domain_name(ctx):
 289         '''get netbios name of the domain from the partitions record'''
 290         partitions_dn = ctx.samdb.get_partitions_dn()
 291         res = ctx.samdb.search(base=partitions_dn, scope=ldb.SCOPE_ONELEVEL, attrs=["nETBIOSName"],
 292                                expression='ncName=%s' % ctx.samdb.get_root_basedn())
 293         return res[0]["nETBIOSName"][0]
 294
 295     def get_parent_partition_dn(ctx):
 296         '''get the parent domain partition DN from parent DNS name'''
 297         res = ctx.samdb.search(base=ctx.config_dn, attrs=[],
 298                                expression='(&(objectclass=crossRef)(dnsRoot=%s)(systemFlags:%s:=%u))' %
 299                                (ctx.parent_dnsdomain, ldb.OID_COMPARATOR_AND, samba.dsdb.SYSTEM_FLAG_CR_NTDS_DOMAIN))
 300         return str(res[0].dn)
 301
 302     def get_naming_master(ctx):
 303         '''get the parent domain partition DN from parent DNS name'''
 304         res = ctx.samdb.search(base='CN=Partitions,%s' % ctx.config_dn, attrs=['fSMORoleOwner'],
 305                                scope=ldb.SCOPE_BASE, controls=["extended_dn:1:1"])
 306         if not 'fSMORoleOwner' in res[0]:
 307             raise DCJoinException("Can't find naming master on partition DN %s in %s" % (ctx.partition_dn, ctx.samdb.url))
 308         try:
 309             master_guid = str(misc.GUID(ldb.Dn(ctx.samdb, res[0]['fSMORoleOwner'][0]).get_extended_component('GUID')))
 310         except KeyError:
 311             raise DCJoinException("Can't find GUID in naming master on partition DN %s" % res[0]['fSMORoleOwner'][0])
 312
 313         master_host = '%s._msdcs.%s' % (master_guid, ctx.dnsforest)
 314         return master_host
 315
 316     def get_mysid(ctx):
 317         '''get the SID of the connected user. Only works with w2k8 and later,
 318            so only used for RODC join'''
 319         res = ctx.samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["tokenGroups"])
 320         binsid = res[0]["tokenGroups"][0]
 321         return ctx.samdb.schema_format_value("objectSID", binsid)
 322
 323     def dn_exists(ctx, dn):
 324         '''check if a DN exists'''
 325         try:
 326             res = ctx.samdb.search(base=dn, scope=ldb.SCOPE_BASE, attrs=[])
 327         except ldb.LdbError, (enum, estr):
 328             if enum == ldb.ERR_NO_SUCH_OBJECT:
 329                 return False
 330             raise
 331         return True
 332
 333     def add_krbtgt_account(ctx):
 334         '''RODCs need a special krbtgt account'''
 335         print "Adding %s" % ctx.krbtgt_dn
 336         rec = {
 337             "dn" : ctx.krbtgt_dn,
 338             "objectclass" : "user",
 339             "useraccountcontrol" : str(samba.dsdb.UF_NORMAL_ACCOUNT |
 340                                        samba.dsdb.UF_ACCOUNTDISABLE),
 341             "showinadvancedviewonly" : "TRUE",
 342             "description" : "krbtgt for %s" % ctx.samname}
 343         ctx.samdb.add(rec, ["rodc_join:1:1"])
 344
 345         # now we need to search for the samAccountName attribute on the krbtgt DN,
 346         # as this will have been magically set to the krbtgt number
 347         res = ctx.samdb.search(base=ctx.krbtgt_dn, scope=ldb.SCOPE_BASE, attrs=["samAccountName"])
 348         ctx.krbtgt_name = res[0]["samAccountName"][0]
 349
 350         print "Got krbtgt_name=%s" % ctx.krbtgt_name
 351
 352         m = ldb.Message()
 353         m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
 354         m["msDS-krbTgtLink"] = ldb.MessageElement(ctx.krbtgt_dn,
 355                                                   ldb.FLAG_MOD_REPLACE, "msDS-krbTgtLink")
 356         ctx.samdb.modify(m)
 357
 358         ctx.new_krbtgt_dn = "CN=%s,CN=Users,%s" % (ctx.krbtgt_name, ctx.base_dn)
 359         print "Renaming %s to %s" % (ctx.krbtgt_dn, ctx.new_krbtgt_dn)
 360         ctx.samdb.rename(ctx.krbtgt_dn, ctx.new_krbtgt_dn)
 361
 362     def drsuapi_connect(ctx):
 363         '''make a DRSUAPI connection to the naming master'''
 364         binding_options = "seal"
 365         if int(ctx.lp.get("log level")) >= 4:
 366             binding_options += ",print"
 367         binding_string = "ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options)
 368         ctx.drsuapi = drsuapi.drsuapi(binding_string, ctx.lp, ctx.creds)
 369         (ctx.drsuapi_handle, ctx.bind_supported_extensions) = drs_utils.drs_DsBind(ctx.drsuapi)
 370
 371     def create_tmp_samdb(ctx):
 372         '''create a temporary samdb object for schema queries'''
 373         ctx.tmp_schema = Schema(security.dom_sid(ctx.domsid),
 374                                 schemadn=ctx.schema_dn)
 375         ctx.tmp_samdb = SamDB(session_info=system_session(), url=None, auto_connect=False,
 376                               credentials=ctx.creds, lp=ctx.lp, global_schema=False,
 377                               am_rodc=False)
 378         ctx.tmp_samdb.set_schema(ctx.tmp_schema)
 379
 380     def build_DsReplicaAttribute(ctx, attrname, attrvalue):
 381         '''build a DsReplicaAttributeCtr object'''
 382         r = drsuapi.DsReplicaAttribute()
 383         r.attid = ctx.tmp_samdb.get_attid_from_lDAPDisplayName(attrname)
 384         r.value_ctr = 1
 385
 386
 387     def DsAddEntry(ctx, recs):
 388         '''add a record via the DRSUAPI DsAddEntry call'''
 389         if ctx.drsuapi is None:
 390             ctx.drsuapi_connect()
 391         if ctx.tmp_samdb is None:
 392             ctx.create_tmp_samdb()
 393
 394         objects = []
 395         for rec in recs:
 396             id = drsuapi.DsReplicaObjectIdentifier()
 397             id.dn = rec['dn']
 398
 399             attrs = []
 400             for a in rec:
 401                 if a == 'dn':
 402                     continue
 403                 if not isinstance(rec[a], list):
 404                     v = [rec[a]]
 405                 else:
 406                     v = rec[a]
 407                 rattr = ctx.tmp_samdb.dsdb_DsReplicaAttribute(ctx.tmp_samdb, a, v)
 408                 attrs.append(rattr)
 409
 410             attribute_ctr = drsuapi.DsReplicaAttributeCtr()
 411             attribute_ctr.num_attributes = len(attrs)
 412             attribute_ctr.attributes = attrs
 413
 414             object = drsuapi.DsReplicaObject()
 415             object.identifier = id
 416             object.attribute_ctr = attribute_ctr
 417
 418             list_object = drsuapi.DsReplicaObjectListItem()
 419             list_object.object = object
 420             objects.append(list_object)
 421
 422         req2 = drsuapi.DsAddEntryRequest2()
 423         req2.first_object = objects[0]
 424         prev = req2.first_object
 425         for o in objects[1:]:
 426             prev.next_object = o
 427             prev = o
 428
 429         (level, ctr) = ctx.drsuapi.DsAddEntry(ctx.drsuapi_handle, 2, req2)
 430         if level == 2:
 431             if ctr.dir_err != drsuapi.DRSUAPI_DIRERR_OK:
 432                 print("DsAddEntry failed with dir_err %u" % ctr.dir_err)
 433                 raise RuntimeError("DsAddEntry failed")
 434             if ctr.extended_err != (0, 'WERR_OK'):
 435                 print("DsAddEntry failed with status %s info %s" % (ctr.extended_err))
 436                 raise RuntimeError("DsAddEntry failed")
 437         if level == 3:
 438             if ctr.err_ver != 1:
 439                 raise RuntimeError("expected err_ver 1, got %u" % ctr.err_ver)
 440             if ctr.err_data.status != (0, 'WERR_OK'):
 441                 print("DsAddEntry failed with status %s info %s" % (ctr.err_data.status,
 442                                                                     ctr.err_data.info.extended_err))
 443                 raise RuntimeError("DsAddEntry failed")
 444             if ctr.err_data.dir_err != drsuapi.DRSUAPI_DIRERR_OK:
 445                 print("DsAddEntry failed with dir_err %u" % ctr.err_data.dir_err)
 446                 raise RuntimeError("DsAddEntry failed")
 447
 448         return ctr.objects
 449
 450     def join_add_ntdsdsa(ctx):
 451         '''add the ntdsdsa object'''
 452
 453         print "Adding %s" % ctx.ntds_dn
 454         rec = {
 455             "dn" : ctx.ntds_dn,
 456             "objectclass" : "nTDSDSA",
 457             "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE),
 458             "dMDLocation" : ctx.schema_dn}
 459
 460         nc_list = [ ctx.base_dn, ctx.config_dn, ctx.schema_dn ]
 461
 462         if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 463             rec["msDS-Behavior-Version"] = str(samba.dsdb.DS_DOMAIN_FUNCTION_2008_R2)
 464
 465         if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 466             rec["msDS-HasDomainNCs"] = ctx.base_dn
 467
 468         if ctx.RODC:
 469             rec["objectCategory"] = "CN=NTDS-DSA-RO,%s" % ctx.schema_dn
 470             rec["msDS-HasFullReplicaNCs"] = ctx.nc_list
 471             rec["options"] = "37"
 472             ctx.samdb.add(rec, ["rodc_join:1:1"])
 473         else:
 474             rec["objectCategory"] = "CN=NTDS-DSA,%s" % ctx.schema_dn
 475             rec["HasMasterNCs"]      = nc_list
 476             if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 477                 rec["msDS-HasMasterNCs"] = ctx.nc_list
 478             rec["options"] = "1"
 479             rec["invocationId"] = ndr_pack(ctx.invocation_id)
 480             ctx.DsAddEntry([rec])
 481
 482         # find the GUID of our NTDS DN
 483         res = ctx.samdb.search(base=ctx.ntds_dn, scope=ldb.SCOPE_BASE, attrs=["objectGUID"])
 484         ctx.ntds_guid = misc.GUID(ctx.samdb.schema_format_value("objectGUID", res[0]["objectGUID"][0]))
 485
 486     def join_add_objects(ctx):
 487         '''add the various objects needed for the join'''
 488         if ctx.acct_dn:
 489             print "Adding %s" % ctx.acct_dn
 490             rec = {
 491                 "dn" : ctx.acct_dn,
 492                 "objectClass": "computer",
 493                 "displayname": ctx.samname,
 494                 "samaccountname" : ctx.samname,
 495                 "userAccountControl" : str(ctx.userAccountControl | samba.dsdb.UF_ACCOUNTDISABLE),
 496                 "dnshostname" : ctx.dnshostname}
 497             if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2008:
 498                 rec['msDS-SupportedEncryptionTypes'] = str(samba.dsdb.ENC_ALL_TYPES)
 499             elif ctx.promote_existing:
 500                 rec['msDS-SupportedEncryptionTypes'] = []
 501             if ctx.managedby:
 502                 rec["managedby"] = ctx.managedby
 503             elif ctx.promote_existing:
 504                 rec["managedby"] = []
 505
 506             if ctx.never_reveal_sid:
 507                 rec["msDS-NeverRevealGroup"] = ctx.never_reveal_sid
 508             elif ctx.promote_existing:
 509                 rec["msDS-NeverRevealGroup"] = []
 510
 511             if ctx.reveal_sid:
 512                 rec["msDS-RevealOnDemandGroup"] = ctx.reveal_sid
 513             elif ctx.promote_existing:
 514                 rec["msDS-RevealOnDemandGroup"] = []
 515
 516             if ctx.promote_existing:
 517                 if ctx.promote_from_dn != ctx.acct_dn:
 518                     ctx.samdb.rename(ctx.promote_from_dn, ctx.acct_dn)
 519                 ctx.samdb.modify(ldb.Message.from_dict(ctx.samdb, rec, ldb.FLAG_MOD_REPLACE))
 520             else:
 521                 ctx.samdb.add(rec)
 522
 523         if ctx.krbtgt_dn:
 524             ctx.add_krbtgt_account()
 525
 526         print "Adding %s" % ctx.server_dn
 527         rec = {
 528             "dn": ctx.server_dn,
 529             "objectclass" : "server",
 530             # windows uses 50000000 decimal for systemFlags. A windows hex/decimal mixup bug?
 531             "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_CONFIG_ALLOW_RENAME |
 532                                 samba.dsdb.SYSTEM_FLAG_CONFIG_ALLOW_LIMITED_MOVE |
 533                                 samba.dsdb.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE),
 534             # windows seems to add the dnsHostName later
 535             "dnsHostName" : ctx.dnshostname}
 536
 537         if ctx.acct_dn:
 538             rec["serverReference"] = ctx.acct_dn
 539
 540         ctx.samdb.add(rec)
 541
 542         if ctx.subdomain:
 543             # the rest is done after replication
 544             ctx.ntds_guid = None
 545             return
 546
 547         ctx.join_add_ntdsdsa()
 548
 549         if ctx.connection_dn is not None:
 550             print "Adding %s" % ctx.connection_dn
 551             rec = {
 552                 "dn" : ctx.connection_dn,
 553                 "objectclass" : "nTDSConnection",
 554                 "enabledconnection" : "TRUE",
 555                 "options" : "65",
 556                 "fromServer" : ctx.dc_ntds_dn}
 557             ctx.samdb.add(rec)
 558
 559         if ctx.acct_dn:
 560             print "Adding SPNs to %s" % ctx.acct_dn
 561             m = ldb.Message()
 562             m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
 563             for i in range(len(ctx.SPNs)):
 564                 ctx.SPNs[i] = ctx.SPNs[i].replace("$NTDSGUID", str(ctx.ntds_guid))
 565             m["servicePrincipalName"] = ldb.MessageElement(ctx.SPNs,
 566                                                            ldb.FLAG_MOD_REPLACE,
 567                                                            "servicePrincipalName")
 568             ctx.samdb.modify(m)
 569
 570             # The account password set operation should normally be done over
 571             # LDAP. Windows 2000 DCs however allow this only with SSL
 572             # connections which are hard to set up and otherwise refuse with
 573             # ERR_UNWILLING_TO_PERFORM. In this case we fall back to libnet
 574             # over SAMR.
 575             print "Setting account password for %s" % ctx.samname
 576             try:
 577                 ctx.samdb.setpassword("(&(objectClass=user)(sAMAccountName=%s))"
 578                                       % ldb.binary_encode(ctx.samname),
 579                                       ctx.acct_pass,
 580                                       force_change_at_next_login=False,
 581                                       username=ctx.samname)
 582             except ldb.LdbError, (num, _):
 583                 if num != ldb.ERR_UNWILLING_TO_PERFORM:
 584                     pass
 585                 ctx.net.set_password(account_name=ctx.samname,
 586                                      domain_name=ctx.domain_name,
 587                                      newpassword=ctx.acct_pass)
 588
 589             res = ctx.samdb.search(base=ctx.acct_dn, scope=ldb.SCOPE_BASE,
 590                                    attrs=["msDS-KeyVersionNumber"])
 591             if "msDS-KeyVersionNumber" in res[0]:
 592                 ctx.key_version_number = int(res[0]["msDS-KeyVersionNumber"][0])
 593             else:
 594                 ctx.key_version_number = None
 595
 596             print("Enabling account")
 597             m = ldb.Message()
 598             m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
 599             m["userAccountControl"] = ldb.MessageElement(str(ctx.userAccountControl),
 600                                                          ldb.FLAG_MOD_REPLACE,
 601                                                          "userAccountControl")
 602             ctx.samdb.modify(m)
 603
 604         if ctx.dns_backend.startswith("BIND9_"):
 605             ctx.dnspass = samba.generate_random_password(128, 255)
 606
 607             recs = ctx.samdb.parse_ldif(read_and_sub_file(setup_path("provision_dns_add_samba.ldif"),
 608                                                                 {"DNSDOMAIN": ctx.dnsdomain,
 609                                                                  "DOMAINDN": ctx.base_dn,
 610                                                                  "HOSTNAME" : ctx.myname,
 611                                                                  "DNSPASS_B64": b64encode(ctx.dnspass),
 612                                                                  "DNSNAME" : ctx.dnshostname}))
 613             for changetype, msg in recs:
 614                 assert changetype == ldb.CHANGETYPE_NONE
 615                 dns_acct_dn = msg["dn"]
 616                 print "Adding DNS account %s with dns/ SPN" % msg["dn"]
 617
 618                 # Remove dns password (we will set it as a modify, as we can't do clearTextPassword over LDAP)
 619                 del msg["clearTextPassword"]
 620                 # Remove isCriticalSystemObject for similar reasons, it cannot be set over LDAP
 621                 del msg["isCriticalSystemObject"]
 622                 # Disable account until password is set
 623                 msg["userAccountControl"] = str(samba.dsdb.UF_NORMAL_ACCOUNT |
 624                                                 samba.dsdb.UF_ACCOUNTDISABLE)
 625                 try:
 626                     ctx.samdb.add(msg)
 627                 except ldb.LdbError, (num, _):
 628                     if num != ldb.ERR_ENTRY_ALREADY_EXISTS:
 629                         raise
 630
 631             # The account password set operation should normally be done over
 632             # LDAP. Windows 2000 DCs however allow this only with SSL
 633             # connections which are hard to set up and otherwise refuse with
 634             # ERR_UNWILLING_TO_PERFORM. In this case we fall back to libnet
 635             # over SAMR.
 636             print "Setting account password for dns-%s" % ctx.myname
 637             try:
 638                 ctx.samdb.setpassword("(&(objectClass=user)(samAccountName=dns-%s))"
 639                                       % ldb.binary_encode(ctx.myname),
 640                                       ctx.dnspass,
 641                                       force_change_at_next_login=False,
 642                                       username=ctx.samname)
 643             except ldb.LdbError, (num, _):
 644                 if num != ldb.ERR_UNWILLING_TO_PERFORM:
 645                     raise
 646                 ctx.net.set_password(account_name="dns-%s" % ctx.myname,
 647                                      domain_name=ctx.domain_name,
 648                                      newpassword=ctx.dnspass)
 649
 650             res = ctx.samdb.search(base=dns_acct_dn, scope=ldb.SCOPE_BASE,
 651                                    attrs=["msDS-KeyVersionNumber"])
 652             if "msDS-KeyVersionNumber" in res[0]:
 653                 ctx.dns_key_version_number = int(res[0]["msDS-KeyVersionNumber"][0])
 654             else:
 655                 ctx.dns_key_version_number = None
 656
 657     def join_add_objects2(ctx):
 658         """add the various objects needed for the join, for subdomains post replication"""
 659
 660         print "Adding %s" % ctx.partition_dn
 661         # NOTE: windows sends a ntSecurityDescriptor here, we
 662         # let it default
 663         rec = {
 664             "dn" : ctx.partition_dn,
 665             "objectclass" : "crossRef",
 666             "objectCategory" : "CN=Cross-Ref,%s" % ctx.schema_dn,
 667             "nCName" : ctx.base_dn,
 668             "nETBIOSName" : ctx.domain_name,
 669             "dnsRoot": ctx.dnsdomain,
 670             "trustParent" : ctx.parent_partition_dn,
 671             "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_CR_NTDS_NC|samba.dsdb.SYSTEM_FLAG_CR_NTDS_DOMAIN)}
 672         if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 673             rec["msDS-Behavior-Version"] = str(ctx.behavior_version)
 674
 675         rec2 = {
 676             "dn" : ctx.ntds_dn,
 677             "objectclass" : "nTDSDSA",
 678             "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE),
 679             "dMDLocation" : ctx.schema_dn}
 680
 681         nc_list = [ ctx.base_dn, ctx.config_dn, ctx.schema_dn ]
 682
 683         if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 684             rec2["msDS-Behavior-Version"] = str(ctx.behavior_version)
 685
 686         if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 687             rec2["msDS-HasDomainNCs"] = ctx.base_dn
 688
 689         rec2["objectCategory"] = "CN=NTDS-DSA,%s" % ctx.schema_dn
 690         rec2["HasMasterNCs"]      = nc_list
 691         if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 692             rec2["msDS-HasMasterNCs"] = ctx.nc_list
 693         rec2["options"] = "1"
 694         rec2["invocationId"] = ndr_pack(ctx.invocation_id)
 695
 696         objects = ctx.DsAddEntry([rec, rec2])
 697         if len(objects) != 2:
 698             raise DCJoinException("Expected 2 objects from DsAddEntry")
 699
 700         ctx.ntds_guid = objects[1].guid
 701
 702         print("Replicating partition DN")
 703         ctx.repl.replicate(ctx.partition_dn,
 704                            misc.GUID("00000000-0000-0000-0000-000000000000"),
 705                            ctx.ntds_guid,
 706                            exop=drsuapi.DRSUAPI_EXOP_REPL_OBJ,
 707                            replica_flags=drsuapi.DRSUAPI_DRS_WRIT_REP)
 708
 709         print("Replicating NTDS DN")
 710         ctx.repl.replicate(ctx.ntds_dn,
 711                            misc.GUID("00000000-0000-0000-0000-000000000000"),
 712                            ctx.ntds_guid,
 713                            exop=drsuapi.DRSUAPI_EXOP_REPL_OBJ,
 714                            replica_flags=drsuapi.DRSUAPI_DRS_WRIT_REP)
 715
 716     def join_provision(ctx):
 717         """Provision the local SAM."""
 718
 719         print "Calling bare provision"
 720
 721         smbconf = ctx.lp.configfile
 722
 723         presult = provision(ctx.logger, system_session(), smbconf=smbconf,
 724                 targetdir=ctx.targetdir, samdb_fill=FILL_DRS, realm=ctx.realm,
 725                 rootdn=ctx.root_dn, domaindn=ctx.base_dn,
 726                 schemadn=ctx.schema_dn, configdn=ctx.config_dn,
 727                 serverdn=ctx.server_dn, domain=ctx.domain_name,
 728                 hostname=ctx.myname, domainsid=ctx.domsid,
 729                 machinepass=ctx.acct_pass, serverrole="active directory domain controller",
 730                 sitename=ctx.site, lp=ctx.lp, ntdsguid=ctx.ntds_guid,
 731                 use_ntvfs=ctx.use_ntvfs, dns_backend=ctx.dns_backend)
 732         print "Provision OK for domain DN %s" % presult.domaindn
 733         ctx.local_samdb = presult.samdb
 734         ctx.lp          = presult.lp
 735         ctx.paths       = presult.paths
 736         ctx.names       = presult.names
 737
 738     def join_provision_own_domain(ctx):
 739         """Provision the local SAM."""
 740
 741         # we now operate exclusively on the local database, which
 742         # we need to reopen in order to get the newly created schema
 743         print("Reconnecting to local samdb")
 744         ctx.samdb = SamDB(url=ctx.local_samdb.url,
 745                           session_info=system_session(),
 746                           lp=ctx.local_samdb.lp,
 747                           global_schema=False)
 748         ctx.samdb.set_invocation_id(str(ctx.invocation_id))
 749         ctx.local_samdb = ctx.samdb
 750
 751         ctx.logger.info("Finding domain GUID from ncName")
 752         res = ctx.local_samdb.search(base=ctx.partition_dn, scope=ldb.SCOPE_BASE, attrs=['ncName'],
 753                                      controls=["extended_dn:1:1", "reveal_internals:0"])
 754
 755         if 'nCName' not in res[0]:
 756             raise DCJoinException("Can't find naming context on partition DN %s in %s" % (ctx.partition_dn, ctx.samdb.url))
 757
 758         try:
 759             domguid = str(misc.GUID(ldb.Dn(ctx.samdb, res[0]['ncName'][0]).get_extended_component('GUID')))
 760         except KeyError:
 761             raise DCJoinException("Can't find GUID in naming master on partition DN %s" % res[0]['ncName'][0])
 762
 763         ctx.logger.info("Got domain GUID %s" % domguid)
 764
 765         ctx.logger.info("Calling own domain provision")
 766
 767         secrets_ldb = Ldb(ctx.paths.secrets, session_info=system_session(), lp=ctx.lp)
 768
 769         presult = provision_fill(ctx.local_samdb, secrets_ldb,
 770                                  ctx.logger, ctx.names, ctx.paths, domainsid=security.dom_sid(ctx.domsid),
 771                                  domainguid=domguid,
 772                                  dom_for_fun_level=DS_DOMAIN_FUNCTION_2003,
 773                                  targetdir=ctx.targetdir, samdb_fill=FILL_SUBDOMAIN,
 774                                  machinepass=ctx.acct_pass, serverrole="active directory domain controller",
 775                                  lp=ctx.lp, hostip=ctx.names.hostip, hostip6=ctx.names.hostip6,
 776                                  dns_backend=ctx.dns_backend, adminpass=ctx.adminpass)
 777         print("Provision OK for domain %s" % ctx.names.dnsdomain)
 778
 779     def join_replicate(ctx):
 780         """Replicate the SAM."""
 781
 782         print "Starting replication"
 783         ctx.local_samdb.transaction_start()
 784         try:
 785             source_dsa_invocation_id = misc.GUID(ctx.samdb.get_invocation_id())
 786             if ctx.ntds_guid is None:
 787                 print("Using DS_BIND_GUID_W2K3")
 788                 destination_dsa_guid = misc.GUID(drsuapi.DRSUAPI_DS_BIND_GUID_W2K3)
 789             else:
 790                 destination_dsa_guid = ctx.ntds_guid
 791
 792             if ctx.RODC:
 793                 repl_creds = Credentials()
 794                 repl_creds.guess(ctx.lp)
 795                 repl_creds.set_kerberos_state(DONT_USE_KERBEROS)
 796                 repl_creds.set_username(ctx.samname)
 797                 repl_creds.set_password(ctx.acct_pass)
 798             else:
 799                 repl_creds = ctx.creds
 800
 801             binding_options = "seal"
 802             if int(ctx.lp.get("log level")) >= 5:
 803                 binding_options += ",print"
 804             repl = drs_utils.drs_Replicate(
 805                 "ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options),
 806                 ctx.lp, repl_creds, ctx.local_samdb, ctx.invocation_id)
 807
 808             repl.replicate(ctx.schema_dn, source_dsa_invocation_id,
 809                     destination_dsa_guid, schema=True, rodc=ctx.RODC,
 810                     replica_flags=ctx.replica_flags)
 811             repl.replicate(ctx.config_dn, source_dsa_invocation_id,
 812                     destination_dsa_guid, rodc=ctx.RODC,
 813                     replica_flags=ctx.replica_flags)
 814             if not ctx.subdomain:
 815                 # Replicate first the critical object for the basedn
 816                 if not ctx.domain_replica_flags & drsuapi.DRSUAPI_DRS_CRITICAL_ONLY:
 817                     print "Replicating critical objects from the base DN of the domain"
 818                     ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY | drsuapi.DRSUAPI_DRS_GET_ANC
 819                     repl.replicate(ctx.base_dn, source_dsa_invocation_id,
 820                                 destination_dsa_guid, rodc=ctx.RODC,
 821                                 replica_flags=ctx.domain_replica_flags)
 822                     ctx.domain_replica_flags ^= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY | drsuapi.DRSUAPI_DRS_GET_ANC
 823                 else:
 824                     ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_GET_ANC
 825                 repl.replicate(ctx.base_dn, source_dsa_invocation_id,
 826                                destination_dsa_guid, rodc=ctx.RODC,
 827                                replica_flags=ctx.domain_replica_flags)
 828             print "Done with always replicated NC (base, config, schema)"
 829
 830             for nc in (ctx.domaindns_zone, ctx.forestdns_zone):
 831                 if nc in ctx.nc_list:
 832                     print "Replicating %s" % (str(nc))
 833                     repl.replicate(nc, source_dsa_invocation_id,
 834                                     destination_dsa_guid, rodc=ctx.RODC,
 835                                     replica_flags=ctx.replica_flags)
 836
 837             # FIXME At this point we should add an entry in the forestdns and domaindns NC
 838             # (those under CN=Partions,DC=...)
 839             # in order to indicate that we hold a replica for this NC
 840
 841             if ctx.RODC:
 842                 repl.replicate(ctx.acct_dn, source_dsa_invocation_id,
 843                         destination_dsa_guid,
 844                         exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET, rodc=True)
 845                 repl.replicate(ctx.new_krbtgt_dn, source_dsa_invocation_id,
 846                         destination_dsa_guid,
 847                         exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET, rodc=True)
 848             ctx.repl = repl
 849             ctx.source_dsa_invocation_id = source_dsa_invocation_id
 850             ctx.destination_dsa_guid = destination_dsa_guid
 851
 852             print "Committing SAM database"
 853         except:
 854             ctx.local_samdb.transaction_cancel()
 855             raise
 856         else:
 857             ctx.local_samdb.transaction_commit()
 858
 859     def send_DsReplicaUpdateRefs(ctx, dn):
 860         r = drsuapi.DsReplicaUpdateRefsRequest1()
 861         r.naming_context = drsuapi.DsReplicaObjectIdentifier()
 862         r.naming_context.dn = str(dn)
 863         r.naming_context.guid = misc.GUID("00000000-0000-0000-0000-000000000000")
 864         r.naming_context.sid = security.dom_sid("S-0-0")
 865         r.dest_dsa_guid = ctx.ntds_guid
 866         r.dest_dsa_dns_name = "%s._msdcs.%s" % (str(ctx.ntds_guid), ctx.dnsforest)
 867         r.options = drsuapi.DRSUAPI_DRS_ADD_REF | drsuapi.DRSUAPI_DRS_DEL_REF
 868         if not ctx.RODC:
 869             r.options |= drsuapi.DRSUAPI_DRS_WRIT_REP
 870
 871         if ctx.drsuapi:
 872             ctx.drsuapi.DsReplicaUpdateRefs(ctx.drsuapi_handle, 1, r)
 873
 874     def join_finalise(ctx):
 875         """Finalise the join, mark us synchronised and setup secrets db."""
 876
 877         # FIXME we shouldn't do this in all cases
 878         # If for some reasons we joined in another site than the one of
 879         # DC we just replicated from then we don't need to send the updatereplicateref
 880         # as replication between sites is time based and on the initiative of the
 881         # requesting DC
 882         ctx.logger.info("Sending DsReplicaUpdateRefs for all the replicated partitions")
 883         for nc in ctx.nc_list:
 884             ctx.send_DsReplicaUpdateRefs(nc)
 885
 886         if ctx.RODC:
 887             print "Setting RODC invocationId"
 888             ctx.local_samdb.set_invocation_id(str(ctx.invocation_id))
 889             ctx.local_samdb.set_opaque_integer("domainFunctionality",
 890                                                ctx.behavior_version)
 891             m = ldb.Message()
 892             m.dn = ldb.Dn(ctx.local_samdb, "%s" % ctx.ntds_dn)
 893             m["invocationId"] = ldb.MessageElement(ndr_pack(ctx.invocation_id),
 894                                                    ldb.FLAG_MOD_REPLACE,
 895                                                    "invocationId")
 896             ctx.local_samdb.modify(m)
 897
 898             # Note: as RODC the invocationId is only stored
 899             # on the RODC itself, the other DCs never see it.
 900             #
 901             # Thats is why we fix up the replPropertyMetaData stamp
 902             # for the 'invocationId' attribute, we need to change
 903             # the 'version' to '0', this is what windows 2008r2 does as RODC
 904             #
 905             # This means if the object on a RWDC ever gets a invocationId
 906             # attribute, it will have version '1' (or higher), which will
 907             # will overwrite the RODC local value.
 908             ctx.local_samdb.set_attribute_replmetadata_version(m.dn,
 909                                                                "invocationId",
 910                                                                0)
 911
 912         ctx.logger.info("Setting isSynchronized and dsServiceName")
 913         m = ldb.Message()
 914         m.dn = ldb.Dn(ctx.local_samdb, '@ROOTDSE')
 915         m["isSynchronized"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_REPLACE, "isSynchronized")
 916         m["dsServiceName"] = ldb.MessageElement("<GUID=%s>" % str(ctx.ntds_guid),
 917                                                 ldb.FLAG_MOD_REPLACE, "dsServiceName")
 918         ctx.local_samdb.modify(m)
 919
 920         if ctx.subdomain:
 921             return
 922
 923         secrets_ldb = Ldb(ctx.paths.secrets, session_info=system_session(), lp=ctx.lp)
 924
 925         ctx.logger.info("Setting up secrets database")
 926         secretsdb_self_join(secrets_ldb, domain=ctx.domain_name,
 927                             realm=ctx.realm,
 928                             dnsdomain=ctx.dnsdomain,
 929                             netbiosname=ctx.myname,
 930                             domainsid=security.dom_sid(ctx.domsid),
 931                             machinepass=ctx.acct_pass,
 932                             secure_channel_type=ctx.secure_channel_type,
 933                             key_version_number=ctx.key_version_number)
 934
 935         if ctx.dns_backend.startswith("BIND9_"):
 936             setup_bind9_dns(ctx.local_samdb, secrets_ldb, security.dom_sid(ctx.domsid),
 937                             ctx.names, ctx.paths, ctx.lp, ctx.logger,
 938                             dns_backend=ctx.dns_backend,
 939                             dnspass=ctx.dnspass, os_level=ctx.behavior_version,
 940                             targetdir=ctx.targetdir,
 941                             key_version_number=ctx.dns_key_version_number)
 942
 943     def join_setup_trusts(ctx):
 944         """provision the local SAM."""
 945
 946         def arcfour_encrypt(key, data):
 947             from Crypto.Cipher import ARC4
 948             c = ARC4.new(key)
 949             return c.encrypt(data)
 950
 951         def string_to_array(string):
 952             blob = [0] * len(string)
 953
 954             for i in range(len(string)):
 955                 blob[i] = ord(string[i])
 956
 957             return blob
 958
 959         print "Setup domain trusts with server %s" % ctx.server
 960         binding_options = ""  # why doesn't signing work here? w2k8r2 claims no session key
 961         lsaconn = lsa.lsarpc("ncacn_np:%s[%s]" % (ctx.server, binding_options),
 962                              ctx.lp, ctx.creds)
 963
 964         objectAttr = lsa.ObjectAttribute()
 965         objectAttr.sec_qos = lsa.QosInfo()
 966
 967         pol_handle = lsaconn.OpenPolicy2(''.decode('utf-8'),
 968                                          objectAttr, security.SEC_FLAG_MAXIMUM_ALLOWED)
 969
 970         info = lsa.TrustDomainInfoInfoEx()
 971         info.domain_name.string = ctx.dnsdomain
 972         info.netbios_name.string = ctx.domain_name
 973         info.sid = security.dom_sid(ctx.domsid)
 974         info.trust_direction = lsa.LSA_TRUST_DIRECTION_INBOUND | lsa.LSA_TRUST_DIRECTION_OUTBOUND
 975         info.trust_type = lsa.LSA_TRUST_TYPE_UPLEVEL
 976         info.trust_attributes = lsa.LSA_TRUST_ATTRIBUTE_WITHIN_FOREST
 977
 978         try:
 979             oldname = lsa.String()
 980             oldname.string = ctx.dnsdomain
 981             oldinfo = lsaconn.QueryTrustedDomainInfoByName(pol_handle, oldname,
 982                                                            lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO)
 983             print("Removing old trust record for %s (SID %s)" % (ctx.dnsdomain, oldinfo.info_ex.sid))
 984             lsaconn.DeleteTrustedDomain(pol_handle, oldinfo.info_ex.sid)
 985         except RuntimeError:
 986             pass
 987
 988         password_blob = string_to_array(ctx.trustdom_pass.encode('utf-16-le'))
 989
 990         clear_value = drsblobs.AuthInfoClear()
 991         clear_value.size = len(password_blob)
 992         clear_value.password = password_blob
 993
 994         clear_authentication_information = drsblobs.AuthenticationInformation()
 995         clear_authentication_information.LastUpdateTime = samba.unix2nttime(int(time.time()))
 996         clear_authentication_information.AuthType = lsa.TRUST_AUTH_TYPE_CLEAR
 997         clear_authentication_information.AuthInfo = clear_value
 998
 999         authentication_information_array = drsblobs.AuthenticationInformationArray()
1000         authentication_information_array.count = 1
1001         authentication_information_array.array = [clear_authentication_information]
1002
1003         outgoing = drsblobs.trustAuthInOutBlob()
1004         outgoing.count = 1
1005         outgoing.current = authentication_information_array
1006
1007         trustpass = drsblobs.trustDomainPasswords()
1008         confounder = [3] * 512
1009
1010         for i in range(512):
1011             confounder[i] = random.randint(0, 255)
1012
1013         trustpass.confounder = confounder
1014
1015         trustpass.outgoing = outgoing
1016         trustpass.incoming = outgoing
1017
1018         trustpass_blob = ndr_pack(trustpass)
1019
1020         encrypted_trustpass = arcfour_encrypt(lsaconn.session_key, trustpass_blob)
1021
1022         auth_blob = lsa.DATA_BUF2()
1023         auth_blob.size = len(encrypted_trustpass)
1024         auth_blob.data = string_to_array(encrypted_trustpass)
1025
1026         auth_info = lsa.TrustDomainInfoAuthInfoInternal()
1027         auth_info.auth_blob = auth_blob
1028
1029         trustdom_handle = lsaconn.CreateTrustedDomainEx2(pol_handle,
1030                                                          info,
1031                                                          auth_info,
1032                                                          security.SEC_STD_DELETE)
1033
1034         rec = {
1035             "dn" : "cn=%s,cn=system,%s" % (ctx.dnsforest, ctx.base_dn),
1036             "objectclass" : "trustedDomain",
1037             "trustType" : str(info.trust_type),
1038             "trustAttributes" : str(info.trust_attributes),
1039             "trustDirection" : str(info.trust_direction),
1040             "flatname" : ctx.forest_domain_name,
1041             "trustPartner" : ctx.dnsforest,
1042             "trustAuthIncoming" : ndr_pack(outgoing),
1043             "trustAuthOutgoing" : ndr_pack(outgoing)
1044             }
1045         ctx.local_samdb.add(rec)
1046
1047         rec = {
1048             "dn" : "cn=%s$,cn=users,%s" % (ctx.forest_domain_name, ctx.base_dn),
1049             "objectclass" : "user",
1050             "userAccountControl" : str(samba.dsdb.UF_INTERDOMAIN_TRUST_ACCOUNT),
1051             "clearTextPassword" : ctx.trustdom_pass.encode('utf-16-le')
1052             }
1053         ctx.local_samdb.add(rec)
1054
1055
1056     def do_join(ctx):
1057         # full_nc_list is the list of naming context (NC) for which we will
1058         # send a updateRef command to the partner DC
1059         ctx.nc_list = [ ctx.config_dn, ctx.schema_dn ]
1060
1061         if not ctx.subdomain:
1062             ctx.nc_list += [ctx.base_dn]
1063             if ctx.dns_backend != "NONE":
1064                 ctx.nc_list += [ctx.domaindns_zone]
1065
1066         if ctx.dns_backend != "NONE":
1067             ctx.nc_list += [ctx.forestdns_zone]
1068
1069         if ctx.promote_existing:
1070             ctx.promote_possible()
1071         else:
1072             ctx.cleanup_old_join()
1073
1074         try:
1075             ctx.join_add_objects()
1076             ctx.join_provision()
1077             ctx.join_replicate()
1078             if ctx.subdomain:
1079                 ctx.join_add_objects2()
1080                 ctx.join_provision_own_domain()
1081                 ctx.join_setup_trusts()
1082             ctx.join_finalise()
1083         except:
1084             print "Join failed - cleaning up"
1085             ctx.cleanup_old_join()
1086             raise
1087
1088
1089 def join_RODC(logger=None, server=None, creds=None, lp=None, site=None, netbios_name=None,
1090               targetdir=None, domain=None, domain_critical_only=False,
1091               machinepass=None, use_ntvfs=False, dns_backend=None,
1092               promote_existing=False):
1093     """Join as a RODC."""
1094
1095     ctx = dc_join(logger, server, creds, lp, site, netbios_name, targetdir, domain,
1096                   machinepass, use_ntvfs, dns_backend, promote_existing)
1097
1098     lp.set("workgroup", ctx.domain_name)
1099     logger.info("workgroup is %s" % ctx.domain_name)
1100
1101     lp.set("realm", ctx.realm)
1102     logger.info("realm is %s" % ctx.realm)
1103
1104     ctx.krbtgt_dn = "CN=krbtgt_%s,CN=Users,%s" % (ctx.myname, ctx.base_dn)
1105
1106     # setup some defaults for accounts that should be replicated to this RODC
1107     ctx.never_reveal_sid = [
1108         "<SID=%s-%s>" % (ctx.domsid, security.DOMAIN_RID_RODC_DENY),
1109         "<SID=%s>" % security.SID_BUILTIN_ADMINISTRATORS,
1110         "<SID=%s>" % security.SID_BUILTIN_SERVER_OPERATORS,
1111         "<SID=%s>" % security.SID_BUILTIN_BACKUP_OPERATORS,
1112         "<SID=%s>" % security.SID_BUILTIN_ACCOUNT_OPERATORS]
1113     ctx.reveal_sid = "<SID=%s-%s>" % (ctx.domsid, security.DOMAIN_RID_RODC_ALLOW)
1114
1115     mysid = ctx.get_mysid()
1116     admin_dn = "<SID=%s>" % mysid
1117     ctx.managedby = admin_dn
1118
1119     ctx.userAccountControl = (samba.dsdb.UF_WORKSTATION_TRUST_ACCOUNT |
1120                               samba.dsdb.UF_TRUSTED_TO_AUTHENTICATE_FOR_DELEGATION |
1121                               samba.dsdb.UF_PARTIAL_SECRETS_ACCOUNT)
1122
1123     ctx.SPNs.extend([ "RestrictedKrbHost/%s" % ctx.myname,
1124                       "RestrictedKrbHost/%s" % ctx.dnshostname ])
1125
1126     ctx.connection_dn = "CN=RODC Connection (FRS),%s" % ctx.ntds_dn
1127     ctx.secure_channel_type = misc.SEC_CHAN_RODC
1128     ctx.RODC = True
1129     ctx.replica_flags  =  (drsuapi.DRSUAPI_DRS_INIT_SYNC |
1130                            drsuapi.DRSUAPI_DRS_PER_SYNC |
1131                            drsuapi.DRSUAPI_DRS_GET_ANC |
1132                            drsuapi.DRSUAPI_DRS_NEVER_SYNCED |
1133                            drsuapi.DRSUAPI_DRS_SPECIAL_SECRET_PROCESSING |
1134                            drsuapi.DRSUAPI_DRS_GET_ALL_GROUP_MEMBERSHIP)
1135     ctx.domain_replica_flags = ctx.replica_flags
1136     if domain_critical_only:
1137         ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY
1138
1139     ctx.do_join()
1140
1141     logger.info("Joined domain %s (SID %s) as an RODC" % (ctx.domain_name, ctx.domsid))
1142
1143
1144 def join_DC(logger=None, server=None, creds=None, lp=None, site=None, netbios_name=None,
1145             targetdir=None, domain=None, domain_critical_only=False,
1146             machinepass=None, use_ntvfs=False, dns_backend=None,
1147             promote_existing=False):
1148     """Join as a DC."""
1149     ctx = dc_join(logger, server, creds, lp, site, netbios_name, targetdir, domain,
1150                   machinepass, use_ntvfs, dns_backend, promote_existing)
1151
1152     lp.set("workgroup", ctx.domain_name)
1153     logger.info("workgroup is %s" % ctx.domain_name)
1154
1155     lp.set("realm", ctx.realm)
1156     logger.info("realm is %s" % ctx.realm)
1157
1158     ctx.userAccountControl = samba.dsdb.UF_SERVER_TRUST_ACCOUNT | samba.dsdb.UF_TRUSTED_FOR_DELEGATION
1159
1160     ctx.SPNs.append('E3514235-4B06-11D1-AB04-00C04FC2DCD2/$NTDSGUID/%s' % ctx.dnsdomain)
1161     ctx.secure_channel_type = misc.SEC_CHAN_BDC
1162
1163     ctx.replica_flags = (drsuapi.DRSUAPI_DRS_WRIT_REP |
1164                          drsuapi.DRSUAPI_DRS_INIT_SYNC |
1165                          drsuapi.DRSUAPI_DRS_PER_SYNC |
1166                          drsuapi.DRSUAPI_DRS_FULL_SYNC_IN_PROGRESS |
1167                          drsuapi.DRSUAPI_DRS_NEVER_SYNCED)
1168     ctx.domain_replica_flags = ctx.replica_flags
1169     if domain_critical_only:
1170         ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY
1171
1172     ctx.do_join()
1173     logger.info("Joined domain %s (SID %s) as a DC" % (ctx.domain_name, ctx.domsid))
1174
1175 def join_subdomain(logger=None, server=None, creds=None, lp=None, site=None,
1176         netbios_name=None, targetdir=None, parent_domain=None, dnsdomain=None,
1177         netbios_domain=None, machinepass=None, adminpass=None, use_ntvfs=False,
1178         dns_backend=None):
1179     """Join as a DC."""
1180     ctx = dc_join(logger, server, creds, lp, site, netbios_name, targetdir, parent_domain,
1181                   machinepass, use_ntvfs, dns_backend)
1182     ctx.subdomain = True
1183     if adminpass is None:
1184         ctx.adminpass = samba.generate_random_password(12, 32)
1185     else:
1186         ctx.adminpass = adminpass
1187     ctx.parent_domain_name = ctx.domain_name
1188     ctx.domain_name = netbios_domain
1189     ctx.realm = dnsdomain
1190     ctx.parent_dnsdomain = ctx.dnsdomain
1191     ctx.parent_partition_dn = ctx.get_parent_partition_dn()
1192     ctx.dnsdomain = dnsdomain
1193     ctx.partition_dn = "CN=%s,CN=Partitions,%s" % (ctx.domain_name, ctx.config_dn)
1194     ctx.naming_master = ctx.get_naming_master()
1195     if ctx.naming_master != ctx.server:
1196         logger.info("Reconnecting to naming master %s" % ctx.naming_master)
1197         ctx.server = ctx.naming_master
1198         ctx.samdb = SamDB(url="ldap://%s" % ctx.server,
1199                           session_info=system_session(),
1200                           credentials=ctx.creds, lp=ctx.lp)
1201         res = ctx.samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=['dnsHostName'],
1202                                controls=[])
1203         ctx.server = res[0]["dnsHostName"]
1204         logger.info("DNS name of new naming master is %s" % ctx.server)
1205
1206     ctx.base_dn = samba.dn_from_dns_name(dnsdomain)
1207     ctx.domsid = str(security.random_sid())
1208     ctx.acct_dn = None
1209     ctx.dnshostname = "%s.%s" % (ctx.myname, ctx.dnsdomain)
1210     ctx.trustdom_pass = samba.generate_random_password(128, 128)
1211
1212     ctx.userAccountControl = samba.dsdb.UF_SERVER_TRUST_ACCOUNT | samba.dsdb.UF_TRUSTED_FOR_DELEGATION
1213
1214     ctx.SPNs.append('E3514235-4B06-11D1-AB04-00C04FC2DCD2/$NTDSGUID/%s' % ctx.dnsdomain)
1215     ctx.secure_channel_type = misc.SEC_CHAN_BDC
1216
1217     ctx.replica_flags = (drsuapi.DRSUAPI_DRS_WRIT_REP |
1218                          drsuapi.DRSUAPI_DRS_INIT_SYNC |
1219                          drsuapi.DRSUAPI_DRS_PER_SYNC |
1220                          drsuapi.DRSUAPI_DRS_FULL_SYNC_IN_PROGRESS |
1221                          drsuapi.DRSUAPI_DRS_NEVER_SYNCED)
1222     ctx.domain_replica_flags = ctx.replica_flags
1223
1224     ctx.do_join()
1225     ctx.logger.info("Created domain %s (SID %s) as a DC" % (ctx.domain_name, ctx.domsid))