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 import descriptor
  33 from samba.net import Net
  34 from samba.provision.sambadns import setup_bind9_dns
  35 from samba import read_and_sub_file
  36 from base64 import b64encode
  37 import logging
  38 import talloc
  39 import random
  40 import time
  41
  42 # this makes debugging easier
  43 talloc.enable_null_tracking()
  44
  45 class DCJoinException(Exception):
  46
  47     def __init__(self, msg):
  48         super(DCJoinException, self).__init__("Can't join, error: %s" % msg)
  49
  50
  51 class dc_join(object):
  52     """Perform a DC join."""
  53
  54     def __init__(ctx, logger=None, server=None, creds=None, lp=None, site=None,
  55                  netbios_name=None, targetdir=None, domain=None,
  56                  machinepass=None, use_ntvfs=False, dns_backend=None,
  57                  promote_existing=False):
  58         ctx.logger = logger
  59         ctx.creds = creds
  60         ctx.lp = lp
  61         ctx.site = site
  62         ctx.netbios_name = netbios_name
  63         ctx.targetdir = targetdir
  64         ctx.use_ntvfs = use_ntvfs
  65
  66         ctx.promote_existing = promote_existing
  67         ctx.promote_from_dn = None
  68
  69         ctx.nc_list = []
  70         ctx.full_nc_list = []
  71
  72         ctx.creds.set_gensec_features(creds.get_gensec_features() | gensec.FEATURE_SEAL)
  73         ctx.net = Net(creds=ctx.creds, lp=ctx.lp)
  74
  75         if server is not None:
  76             ctx.server = server
  77         else:
  78             ctx.logger.info("Finding a writeable DC for domain '%s'" % domain)
  79             ctx.server = ctx.find_dc(domain)
  80             ctx.logger.info("Found DC %s" % ctx.server)
  81
  82         ctx.samdb = SamDB(url="ldap://%s" % ctx.server,
  83                           session_info=system_session(),
  84                           credentials=ctx.creds, lp=ctx.lp)
  85
  86         try:
  87             ctx.samdb.search(scope=ldb.SCOPE_ONELEVEL, attrs=["dn"])
  88         except ldb.LdbError, (enum, estr):
  89             raise DCJoinException(estr)
  90
  91
  92         ctx.myname = netbios_name
  93         ctx.samname = "%s$" % ctx.myname
  94         ctx.base_dn = str(ctx.samdb.get_default_basedn())
  95         ctx.root_dn = str(ctx.samdb.get_root_basedn())
  96         ctx.schema_dn = str(ctx.samdb.get_schema_basedn())
  97         ctx.config_dn = str(ctx.samdb.get_config_basedn())
  98         ctx.domsid = security.dom_sid(ctx.samdb.get_domain_sid())
  99         ctx.forestsid = ctx.domsid
 100         ctx.domain_name = ctx.get_domain_name()
 101         ctx.forest_domain_name = ctx.get_forest_domain_name()
 102         ctx.invocation_id = misc.GUID(str(uuid.uuid4()))
 103
 104         ctx.dc_ntds_dn = ctx.samdb.get_dsServiceName()
 105         ctx.dc_dnsHostName = ctx.get_dnsHostName()
 106         ctx.behavior_version = ctx.get_behavior_version()
 107
 108         if machinepass is not None:
 109             ctx.acct_pass = machinepass
 110         else:
 111             ctx.acct_pass = samba.generate_random_password(32, 40)
 112
 113         # work out the DNs of all the objects we will be adding
 114         ctx.server_dn = "CN=%s,CN=Servers,CN=%s,CN=Sites,%s" % (ctx.myname, ctx.site, ctx.config_dn)
 115         ctx.ntds_dn = "CN=NTDS Settings,%s" % ctx.server_dn
 116         topology_base = "CN=Topology,CN=Domain System Volume,CN=DFSR-GlobalSettings,CN=System,%s" % ctx.base_dn
 117         if ctx.dn_exists(topology_base):
 118             ctx.topology_dn = "CN=%s,%s" % (ctx.myname, topology_base)
 119         else:
 120             ctx.topology_dn = None
 121
 122         ctx.dnsdomain = ctx.samdb.domain_dns_name()
 123         ctx.dnsforest = ctx.samdb.forest_dns_name()
 124         ctx.domaindns_zone = 'DC=DomainDnsZones,%s' % ctx.base_dn
 125         ctx.forestdns_zone = 'DC=ForestDnsZones,%s' % ctx.root_dn
 126
 127         res_domaindns = ctx.samdb.search(scope=ldb.SCOPE_ONELEVEL,
 128                                          attrs=[],
 129                                          base=ctx.samdb.get_partitions_dn(),
 130                                          expression="(&(objectClass=crossRef)(ncName=%s))" % ctx.domaindns_zone)
 131         if dns_backend is None:
 132             ctx.dns_backend = "NONE"
 133         else:
 134             if len(res_domaindns) == 0:
 135                 ctx.dns_backend = "NONE"
 136                 print "NO DNS zone information found in source domain, not replicating DNS"
 137             else:
 138                 ctx.dns_backend = dns_backend
 139
 140         ctx.dnshostname = "%s.%s" % (ctx.myname.lower(), ctx.dnsdomain)
 141
 142         ctx.realm = ctx.dnsdomain
 143
 144         ctx.acct_dn = "CN=%s,OU=Domain Controllers,%s" % (ctx.myname, ctx.base_dn)
 145
 146         ctx.tmp_samdb = None
 147
 148         ctx.SPNs = [ "HOST/%s" % ctx.myname,
 149                      "HOST/%s" % ctx.dnshostname,
 150                      "GC/%s/%s" % (ctx.dnshostname, ctx.dnsforest) ]
 151
 152         # these elements are optional
 153         ctx.never_reveal_sid = None
 154         ctx.reveal_sid = None
 155         ctx.connection_dn = None
 156         ctx.RODC = False
 157         ctx.krbtgt_dn = None
 158         ctx.drsuapi = None
 159         ctx.managedby = None
 160         ctx.subdomain = False
 161         ctx.adminpass = None
 162
 163     def del_noerror(ctx, dn, recursive=False):
 164         if recursive:
 165             try:
 166                 res = ctx.samdb.search(base=dn, scope=ldb.SCOPE_ONELEVEL, attrs=["dn"])
 167             except Exception:
 168                 return
 169             for r in res:
 170                 ctx.del_noerror(r.dn, recursive=True)
 171         try:
 172             ctx.samdb.delete(dn)
 173             print "Deleted %s" % dn
 174         except Exception:
 175             pass
 176
 177     def cleanup_old_join(ctx):
 178         """Remove any DNs from a previous join."""
 179         try:
 180             # find the krbtgt link
 181             print("checking sAMAccountName")
 182             if ctx.subdomain:
 183                 res = None
 184             else:
 185                 res = ctx.samdb.search(base=ctx.samdb.get_default_basedn(),
 186                                        expression='sAMAccountName=%s' % ldb.binary_encode(ctx.samname),
 187                                        attrs=["msDS-krbTgtLink"])
 188                 if res:
 189                     ctx.del_noerror(res[0].dn, recursive=True)
 190
 191                 res = ctx.samdb.search(base=ctx.samdb.get_default_basedn(),
 192                                        expression='(&(sAMAccountName=%s)(servicePrincipalName=%s))' % (ldb.binary_encode("dns-%s" % ctx.myname), ldb.binary_encode("dns/%s" % ctx.dnshostname)),
 193                                        attrs=[])
 194                 if res:
 195                     ctx.del_noerror(res[0].dn, recursive=True)
 196
 197                 res = ctx.samdb.search(base=ctx.samdb.get_default_basedn(),
 198                                        expression='(sAMAccountName=%s)' % ldb.binary_encode("dns-%s" % ctx.myname),
 199                                        attrs=[])
 200                 if res:
 201                     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)))
 202
 203             if ctx.connection_dn is not None:
 204                 ctx.del_noerror(ctx.connection_dn)
 205             if ctx.krbtgt_dn is not None:
 206                 ctx.del_noerror(ctx.krbtgt_dn)
 207             ctx.del_noerror(ctx.ntds_dn)
 208             ctx.del_noerror(ctx.server_dn, recursive=True)
 209             if ctx.topology_dn:
 210                 ctx.del_noerror(ctx.topology_dn)
 211             if ctx.partition_dn:
 212                 ctx.del_noerror(ctx.partition_dn)
 213             if res:
 214                 ctx.new_krbtgt_dn = res[0]["msDS-Krbtgtlink"][0]
 215                 ctx.del_noerror(ctx.new_krbtgt_dn)
 216
 217             if ctx.subdomain:
 218                 binding_options = "sign"
 219                 lsaconn = lsa.lsarpc("ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options),
 220                                      ctx.lp, ctx.creds)
 221
 222                 objectAttr = lsa.ObjectAttribute()
 223                 objectAttr.sec_qos = lsa.QosInfo()
 224
 225                 pol_handle = lsaconn.OpenPolicy2(''.decode('utf-8'),
 226                                                  objectAttr, security.SEC_FLAG_MAXIMUM_ALLOWED)
 227
 228                 name = lsa.String()
 229                 name.string = ctx.realm
 230                 info = lsaconn.QueryTrustedDomainInfoByName(pol_handle, name, lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO)
 231
 232                 lsaconn.DeleteTrustedDomain(pol_handle, info.info_ex.sid)
 233
 234                 name = lsa.String()
 235                 name.string = ctx.forest_domain_name
 236                 info = lsaconn.QueryTrustedDomainInfoByName(pol_handle, name, lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO)
 237
 238                 lsaconn.DeleteTrustedDomain(pol_handle, info.info_ex.sid)
 239
 240         except Exception:
 241             pass
 242
 243     def promote_possible(ctx):
 244         """confirm that the account is just a bare NT4 BDC or a member server, so can be safely promoted"""
 245         if ctx.subdomain:
 246             # This shouldn't happen
 247             raise Exception("Can not promote into a subdomain")
 248
 249         res = ctx.samdb.search(base=ctx.samdb.get_default_basedn(),
 250                                expression='sAMAccountName=%s' % ldb.binary_encode(ctx.samname),
 251                                attrs=["msDS-krbTgtLink", "userAccountControl", "serverReferenceBL", "rIDSetReferences"])
 252         if len(res) == 0:
 253             raise Exception("Could not find domain member account '%s' to promote to a DC, use 'samba-tool domain join' instead'" % ctx.samname)
 254         if "msDS-krbTgtLink" in res[0] or "serverReferenceBL" in res[0] or "rIDSetReferences" in res[0]:
 255             raise Exception("Account '%s' appears to be an active DC, use 'samba-tool domain join' if you must re-create this account" % ctx.samname)
 256         if (int(res[0]["userAccountControl"][0]) & (samba.dsdb.UF_WORKSTATION_TRUST_ACCOUNT|samba.dsdb.UF_SERVER_TRUST_ACCOUNT) == 0):
 257             raise Exception("Account %s is not a domain member or a bare NT4 BDC, use 'samba-tool domain join' instead'" % ctx.samname)
 258
 259         ctx.promote_from_dn = res[0].dn
 260
 261
 262     def find_dc(ctx, domain):
 263         """find a writeable DC for the given domain"""
 264         try:
 265             ctx.cldap_ret = ctx.net.finddc(domain=domain, flags=nbt.NBT_SERVER_LDAP | nbt.NBT_SERVER_DS | nbt.NBT_SERVER_WRITABLE)
 266         except Exception:
 267             raise Exception("Failed to find a writeable DC for domain '%s'" % domain)
 268         if ctx.cldap_ret.client_site is not None and ctx.cldap_ret.client_site != "":
 269             ctx.site = ctx.cldap_ret.client_site
 270         return ctx.cldap_ret.pdc_dns_name
 271
 272
 273     def get_behavior_version(ctx):
 274         res = ctx.samdb.search(base=ctx.base_dn, scope=ldb.SCOPE_BASE, attrs=["msDS-Behavior-Version"])
 275         if "msDS-Behavior-Version" in res[0]:
 276             return int(res[0]["msDS-Behavior-Version"][0])
 277         else:
 278             return samba.dsdb.DS_DOMAIN_FUNCTION_2000
 279
 280     def get_dnsHostName(ctx):
 281         res = ctx.samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["dnsHostName"])
 282         return res[0]["dnsHostName"][0]
 283
 284     def get_domain_name(ctx):
 285         '''get netbios name of the domain from the partitions record'''
 286         partitions_dn = ctx.samdb.get_partitions_dn()
 287         res = ctx.samdb.search(base=partitions_dn, scope=ldb.SCOPE_ONELEVEL, attrs=["nETBIOSName"],
 288                                expression='ncName=%s' % ctx.samdb.get_default_basedn())
 289         return res[0]["nETBIOSName"][0]
 290
 291     def get_forest_domain_name(ctx):
 292         '''get netbios name of the domain from the partitions record'''
 293         partitions_dn = ctx.samdb.get_partitions_dn()
 294         res = ctx.samdb.search(base=partitions_dn, scope=ldb.SCOPE_ONELEVEL, attrs=["nETBIOSName"],
 295                                expression='ncName=%s' % ctx.samdb.get_root_basedn())
 296         return res[0]["nETBIOSName"][0]
 297
 298     def get_parent_partition_dn(ctx):
 299         '''get the parent domain partition DN from parent DNS name'''
 300         res = ctx.samdb.search(base=ctx.config_dn, attrs=[],
 301                                expression='(&(objectclass=crossRef)(dnsRoot=%s)(systemFlags:%s:=%u))' %
 302                                (ctx.parent_dnsdomain, ldb.OID_COMPARATOR_AND, samba.dsdb.SYSTEM_FLAG_CR_NTDS_DOMAIN))
 303         return str(res[0].dn)
 304
 305     def get_naming_master(ctx):
 306         '''get the parent domain partition DN from parent DNS name'''
 307         res = ctx.samdb.search(base='CN=Partitions,%s' % ctx.config_dn, attrs=['fSMORoleOwner'],
 308                                scope=ldb.SCOPE_BASE, controls=["extended_dn:1:1"])
 309         if not 'fSMORoleOwner' in res[0]:
 310             raise DCJoinException("Can't find naming master on partition DN %s in %s" % (ctx.partition_dn, ctx.samdb.url))
 311         try:
 312             master_guid = str(misc.GUID(ldb.Dn(ctx.samdb, res[0]['fSMORoleOwner'][0]).get_extended_component('GUID')))
 313         except KeyError:
 314             raise DCJoinException("Can't find GUID in naming master on partition DN %s" % res[0]['fSMORoleOwner'][0])
 315
 316         master_host = '%s._msdcs.%s' % (master_guid, ctx.dnsforest)
 317         return master_host
 318
 319     def get_mysid(ctx):
 320         '''get the SID of the connected user. Only works with w2k8 and later,
 321            so only used for RODC join'''
 322         res = ctx.samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["tokenGroups"])
 323         binsid = res[0]["tokenGroups"][0]
 324         return ctx.samdb.schema_format_value("objectSID", binsid)
 325
 326     def dn_exists(ctx, dn):
 327         '''check if a DN exists'''
 328         try:
 329             res = ctx.samdb.search(base=dn, scope=ldb.SCOPE_BASE, attrs=[])
 330         except ldb.LdbError, (enum, estr):
 331             if enum == ldb.ERR_NO_SUCH_OBJECT:
 332                 return False
 333             raise
 334         return True
 335
 336     def add_krbtgt_account(ctx):
 337         '''RODCs need a special krbtgt account'''
 338         print "Adding %s" % ctx.krbtgt_dn
 339         rec = {
 340             "dn" : ctx.krbtgt_dn,
 341             "objectclass" : "user",
 342             "useraccountcontrol" : str(samba.dsdb.UF_NORMAL_ACCOUNT |
 343                                        samba.dsdb.UF_ACCOUNTDISABLE),
 344             "showinadvancedviewonly" : "TRUE",
 345             "description" : "krbtgt for %s" % ctx.samname}
 346         ctx.samdb.add(rec, ["rodc_join:1:1"])
 347
 348         # now we need to search for the samAccountName attribute on the krbtgt DN,
 349         # as this will have been magically set to the krbtgt number
 350         res = ctx.samdb.search(base=ctx.krbtgt_dn, scope=ldb.SCOPE_BASE, attrs=["samAccountName"])
 351         ctx.krbtgt_name = res[0]["samAccountName"][0]
 352
 353         print "Got krbtgt_name=%s" % ctx.krbtgt_name
 354
 355         m = ldb.Message()
 356         m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
 357         m["msDS-krbTgtLink"] = ldb.MessageElement(ctx.krbtgt_dn,
 358                                                   ldb.FLAG_MOD_REPLACE, "msDS-krbTgtLink")
 359         ctx.samdb.modify(m)
 360
 361         ctx.new_krbtgt_dn = "CN=%s,CN=Users,%s" % (ctx.krbtgt_name, ctx.base_dn)
 362         print "Renaming %s to %s" % (ctx.krbtgt_dn, ctx.new_krbtgt_dn)
 363         ctx.samdb.rename(ctx.krbtgt_dn, ctx.new_krbtgt_dn)
 364
 365     def drsuapi_connect(ctx):
 366         '''make a DRSUAPI connection to the naming master'''
 367         binding_options = "seal"
 368         if int(ctx.lp.get("log level")) >= 4:
 369             binding_options += ",print"
 370         binding_string = "ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options)
 371         ctx.drsuapi = drsuapi.drsuapi(binding_string, ctx.lp, ctx.creds)
 372         (ctx.drsuapi_handle, ctx.bind_supported_extensions) = drs_utils.drs_DsBind(ctx.drsuapi)
 373
 374     def create_tmp_samdb(ctx):
 375         '''create a temporary samdb object for schema queries'''
 376         ctx.tmp_schema = Schema(ctx.domsid,
 377                                 schemadn=ctx.schema_dn)
 378         ctx.tmp_samdb = SamDB(session_info=system_session(), url=None, auto_connect=False,
 379                               credentials=ctx.creds, lp=ctx.lp, global_schema=False,
 380                               am_rodc=False)
 381         ctx.tmp_samdb.set_schema(ctx.tmp_schema)
 382
 383     def build_DsReplicaAttribute(ctx, attrname, attrvalue):
 384         '''build a DsReplicaAttributeCtr object'''
 385         r = drsuapi.DsReplicaAttribute()
 386         r.attid = ctx.tmp_samdb.get_attid_from_lDAPDisplayName(attrname)
 387         r.value_ctr = 1
 388
 389
 390     def DsAddEntry(ctx, recs):
 391         '''add a record via the DRSUAPI DsAddEntry call'''
 392         if ctx.drsuapi is None:
 393             ctx.drsuapi_connect()
 394         if ctx.tmp_samdb is None:
 395             ctx.create_tmp_samdb()
 396
 397         objects = []
 398         for rec in recs:
 399             id = drsuapi.DsReplicaObjectIdentifier()
 400             id.dn = rec['dn']
 401
 402             attrs = []
 403             for a in rec:
 404                 if a == 'dn':
 405                     continue
 406                 if not isinstance(rec[a], list):
 407                     v = [rec[a]]
 408                 else:
 409                     v = rec[a]
 410                 rattr = ctx.tmp_samdb.dsdb_DsReplicaAttribute(ctx.tmp_samdb, a, v)
 411                 attrs.append(rattr)
 412
 413             attribute_ctr = drsuapi.DsReplicaAttributeCtr()
 414             attribute_ctr.num_attributes = len(attrs)
 415             attribute_ctr.attributes = attrs
 416
 417             object = drsuapi.DsReplicaObject()
 418             object.identifier = id
 419             object.attribute_ctr = attribute_ctr
 420
 421             list_object = drsuapi.DsReplicaObjectListItem()
 422             list_object.object = object
 423             objects.append(list_object)
 424
 425         req2 = drsuapi.DsAddEntryRequest2()
 426         req2.first_object = objects[0]
 427         prev = req2.first_object
 428         for o in objects[1:]:
 429             prev.next_object = o
 430             prev = o
 431
 432         (level, ctr) = ctx.drsuapi.DsAddEntry(ctx.drsuapi_handle, 2, req2)
 433         if level == 2:
 434             if ctr.dir_err != drsuapi.DRSUAPI_DIRERR_OK:
 435                 print("DsAddEntry failed with dir_err %u" % ctr.dir_err)
 436                 raise RuntimeError("DsAddEntry failed")
 437             if ctr.extended_err != (0, 'WERR_OK'):
 438                 print("DsAddEntry failed with status %s info %s" % (ctr.extended_err))
 439                 raise RuntimeError("DsAddEntry failed")
 440         if level == 3:
 441             if ctr.err_ver != 1:
 442                 raise RuntimeError("expected err_ver 1, got %u" % ctr.err_ver)
 443             if ctr.err_data.status != (0, 'WERR_OK'):
 444                 print("DsAddEntry failed with status %s info %s" % (ctr.err_data.status,
 445                                                                     ctr.err_data.info.extended_err))
 446                 raise RuntimeError("DsAddEntry failed")
 447             if ctr.err_data.dir_err != drsuapi.DRSUAPI_DIRERR_OK:
 448                 print("DsAddEntry failed with dir_err %u" % ctr.err_data.dir_err)
 449                 raise RuntimeError("DsAddEntry failed")
 450
 451         return ctr.objects
 452
 453     def join_ntdsdsa_obj(ctx):
 454         '''return the ntdsdsa object to add'''
 455
 456         print "Adding %s" % ctx.ntds_dn
 457         rec = {
 458             "dn" : ctx.ntds_dn,
 459             "objectclass" : "nTDSDSA",
 460             "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE),
 461             "dMDLocation" : ctx.schema_dn}
 462
 463         nc_list = [ ctx.base_dn, ctx.config_dn, ctx.schema_dn ]
 464
 465         if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 466             rec["msDS-Behavior-Version"] = str(samba.dsdb.DS_DOMAIN_FUNCTION_2008_R2)
 467
 468         if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 469             rec["msDS-HasDomainNCs"] = ctx.base_dn
 470
 471         if ctx.RODC:
 472             rec["objectCategory"] = "CN=NTDS-DSA-RO,%s" % ctx.schema_dn
 473             rec["msDS-HasFullReplicaNCs"] = ctx.full_nc_list
 474             rec["options"] = "37"
 475         else:
 476             rec["objectCategory"] = "CN=NTDS-DSA,%s" % ctx.schema_dn
 477             rec["HasMasterNCs"]      = []
 478             for nc in nc_list:
 479                 if nc in ctx.full_nc_list:
 480                     rec["HasMasterNCs"].append(nc)
 481             if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 482                 rec["msDS-HasMasterNCs"] = ctx.full_nc_list
 483             rec["options"] = "1"
 484             rec["invocationId"] = ndr_pack(ctx.invocation_id)
 485
 486         return rec
 487
 488     def join_add_ntdsdsa(ctx):
 489         '''add the ntdsdsa object'''
 490
 491         rec = ctx.join_ntdsdsa_obj()
 492         if ctx.RODC:
 493             ctx.samdb.add(rec, ["rodc_join:1:1"])
 494         else:
 495             ctx.DsAddEntry([rec])
 496
 497         # find the GUID of our NTDS DN
 498         res = ctx.samdb.search(base=ctx.ntds_dn, scope=ldb.SCOPE_BASE, attrs=["objectGUID"])
 499         ctx.ntds_guid = misc.GUID(ctx.samdb.schema_format_value("objectGUID", res[0]["objectGUID"][0]))
 500
 501     def join_add_objects(ctx):
 502         '''add the various objects needed for the join'''
 503         if ctx.acct_dn:
 504             print "Adding %s" % ctx.acct_dn
 505             rec = {
 506                 "dn" : ctx.acct_dn,
 507                 "objectClass": "computer",
 508                 "displayname": ctx.samname,
 509                 "samaccountname" : ctx.samname,
 510                 "userAccountControl" : str(ctx.userAccountControl | samba.dsdb.UF_ACCOUNTDISABLE),
 511                 "dnshostname" : ctx.dnshostname}
 512             if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2008:
 513                 rec['msDS-SupportedEncryptionTypes'] = str(samba.dsdb.ENC_ALL_TYPES)
 514             elif ctx.promote_existing:
 515                 rec['msDS-SupportedEncryptionTypes'] = []
 516             if ctx.managedby:
 517                 rec["managedby"] = ctx.managedby
 518             elif ctx.promote_existing:
 519                 rec["managedby"] = []
 520
 521             if ctx.never_reveal_sid:
 522                 rec["msDS-NeverRevealGroup"] = ctx.never_reveal_sid
 523             elif ctx.promote_existing:
 524                 rec["msDS-NeverRevealGroup"] = []
 525
 526             if ctx.reveal_sid:
 527                 rec["msDS-RevealOnDemandGroup"] = ctx.reveal_sid
 528             elif ctx.promote_existing:
 529                 rec["msDS-RevealOnDemandGroup"] = []
 530
 531             if ctx.promote_existing:
 532                 if ctx.promote_from_dn != ctx.acct_dn:
 533                     ctx.samdb.rename(ctx.promote_from_dn, ctx.acct_dn)
 534                 ctx.samdb.modify(ldb.Message.from_dict(ctx.samdb, rec, ldb.FLAG_MOD_REPLACE))
 535             else:
 536                 ctx.samdb.add(rec)
 537
 538         if ctx.krbtgt_dn:
 539             ctx.add_krbtgt_account()
 540
 541         print "Adding %s" % ctx.server_dn
 542         rec = {
 543             "dn": ctx.server_dn,
 544             "objectclass" : "server",
 545             # windows uses 50000000 decimal for systemFlags. A windows hex/decimal mixup bug?
 546             "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_CONFIG_ALLOW_RENAME |
 547                                 samba.dsdb.SYSTEM_FLAG_CONFIG_ALLOW_LIMITED_MOVE |
 548                                 samba.dsdb.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE),
 549             # windows seems to add the dnsHostName later
 550             "dnsHostName" : ctx.dnshostname}
 551
 552         if ctx.acct_dn:
 553             rec["serverReference"] = ctx.acct_dn
 554
 555         ctx.samdb.add(rec)
 556
 557         if ctx.subdomain:
 558             # the rest is done after replication
 559             ctx.ntds_guid = None
 560             return
 561
 562         ctx.join_add_ntdsdsa()
 563
 564         if ctx.connection_dn is not None:
 565             print "Adding %s" % ctx.connection_dn
 566             rec = {
 567                 "dn" : ctx.connection_dn,
 568                 "objectclass" : "nTDSConnection",
 569                 "enabledconnection" : "TRUE",
 570                 "options" : "65",
 571                 "fromServer" : ctx.dc_ntds_dn}
 572             ctx.samdb.add(rec)
 573
 574         if ctx.acct_dn:
 575             print "Adding SPNs to %s" % ctx.acct_dn
 576             m = ldb.Message()
 577             m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
 578             for i in range(len(ctx.SPNs)):
 579                 ctx.SPNs[i] = ctx.SPNs[i].replace("$NTDSGUID", str(ctx.ntds_guid))
 580             m["servicePrincipalName"] = ldb.MessageElement(ctx.SPNs,
 581                                                            ldb.FLAG_MOD_REPLACE,
 582                                                            "servicePrincipalName")
 583             ctx.samdb.modify(m)
 584
 585             # The account password set operation should normally be done over
 586             # LDAP. Windows 2000 DCs however allow this only with SSL
 587             # connections which are hard to set up and otherwise refuse with
 588             # ERR_UNWILLING_TO_PERFORM. In this case we fall back to libnet
 589             # over SAMR.
 590             print "Setting account password for %s" % ctx.samname
 591             try:
 592                 ctx.samdb.setpassword("(&(objectClass=user)(sAMAccountName=%s))"
 593                                       % ldb.binary_encode(ctx.samname),
 594                                       ctx.acct_pass,
 595                                       force_change_at_next_login=False,
 596                                       username=ctx.samname)
 597             except ldb.LdbError, (num, _):
 598                 if num != ldb.ERR_UNWILLING_TO_PERFORM:
 599                     pass
 600                 ctx.net.set_password(account_name=ctx.samname,
 601                                      domain_name=ctx.domain_name,
 602                                      newpassword=ctx.acct_pass)
 603
 604             res = ctx.samdb.search(base=ctx.acct_dn, scope=ldb.SCOPE_BASE,
 605                                    attrs=["msDS-KeyVersionNumber"])
 606             if "msDS-KeyVersionNumber" in res[0]:
 607                 ctx.key_version_number = int(res[0]["msDS-KeyVersionNumber"][0])
 608             else:
 609                 ctx.key_version_number = None
 610
 611             print("Enabling account")
 612             m = ldb.Message()
 613             m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
 614             m["userAccountControl"] = ldb.MessageElement(str(ctx.userAccountControl),
 615                                                          ldb.FLAG_MOD_REPLACE,
 616                                                          "userAccountControl")
 617             ctx.samdb.modify(m)
 618
 619         if ctx.dns_backend.startswith("BIND9_"):
 620             ctx.dnspass = samba.generate_random_password(128, 255)
 621
 622             recs = ctx.samdb.parse_ldif(read_and_sub_file(setup_path("provision_dns_add_samba.ldif"),
 623                                                                 {"DNSDOMAIN": ctx.dnsdomain,
 624                                                                  "DOMAINDN": ctx.base_dn,
 625                                                                  "HOSTNAME" : ctx.myname,
 626                                                                  "DNSPASS_B64": b64encode(ctx.dnspass),
 627                                                                  "DNSNAME" : ctx.dnshostname}))
 628             for changetype, msg in recs:
 629                 assert changetype == ldb.CHANGETYPE_NONE
 630                 dns_acct_dn = msg["dn"]
 631                 print "Adding DNS account %s with dns/ SPN" % msg["dn"]
 632
 633                 # Remove dns password (we will set it as a modify, as we can't do clearTextPassword over LDAP)
 634                 del msg["clearTextPassword"]
 635                 # Remove isCriticalSystemObject for similar reasons, it cannot be set over LDAP
 636                 del msg["isCriticalSystemObject"]
 637                 # Disable account until password is set
 638                 msg["userAccountControl"] = str(samba.dsdb.UF_NORMAL_ACCOUNT |
 639                                                 samba.dsdb.UF_ACCOUNTDISABLE)
 640                 try:
 641                     ctx.samdb.add(msg)
 642                 except ldb.LdbError, (num, _):
 643                     if num != ldb.ERR_ENTRY_ALREADY_EXISTS:
 644                         raise
 645
 646             # The account password set operation should normally be done over
 647             # LDAP. Windows 2000 DCs however allow this only with SSL
 648             # connections which are hard to set up and otherwise refuse with
 649             # ERR_UNWILLING_TO_PERFORM. In this case we fall back to libnet
 650             # over SAMR.
 651             print "Setting account password for dns-%s" % ctx.myname
 652             try:
 653                 ctx.samdb.setpassword("(&(objectClass=user)(samAccountName=dns-%s))"
 654                                       % ldb.binary_encode(ctx.myname),
 655                                       ctx.dnspass,
 656                                       force_change_at_next_login=False,
 657                                       username=ctx.samname)
 658             except ldb.LdbError, (num, _):
 659                 if num != ldb.ERR_UNWILLING_TO_PERFORM:
 660                     raise
 661                 ctx.net.set_password(account_name="dns-%s" % ctx.myname,
 662                                      domain_name=ctx.domain_name,
 663                                      newpassword=ctx.dnspass)
 664
 665             res = ctx.samdb.search(base=dns_acct_dn, scope=ldb.SCOPE_BASE,
 666                                    attrs=["msDS-KeyVersionNumber"])
 667             if "msDS-KeyVersionNumber" in res[0]:
 668                 ctx.dns_key_version_number = int(res[0]["msDS-KeyVersionNumber"][0])
 669             else:
 670                 ctx.dns_key_version_number = None
 671
 672     def join_add_objects2(ctx):
 673         """add the various objects needed for the join, for subdomains post replication"""
 674
 675         print "Adding %s" % ctx.partition_dn
 676         name_map = {'SubdomainAdmins': "%s-%s" % (str(ctx.domsid), security.DOMAIN_RID_ADMINS)}
 677         sd_binary = descriptor.get_paritions_crossref_subdomain_descriptor(ctx.forestsid, name_map=name_map)
 678         rec = {
 679             "dn" : ctx.partition_dn,
 680             "objectclass" : "crossRef",
 681             "objectCategory" : "CN=Cross-Ref,%s" % ctx.schema_dn,
 682             "nCName" : ctx.base_dn,
 683             "nETBIOSName" : ctx.domain_name,
 684             "dnsRoot": ctx.dnsdomain,
 685             "trustParent" : ctx.parent_partition_dn,
 686             "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_CR_NTDS_NC|samba.dsdb.SYSTEM_FLAG_CR_NTDS_DOMAIN),
 687             "ntSecurityDescriptor" : sd_binary,
 688         }
 689
 690         if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
 691             rec["msDS-Behavior-Version"] = str(ctx.behavior_version)
 692
 693         rec2 = ctx.join_ntdsdsa_obj()
 694
 695         objects = ctx.DsAddEntry([rec, rec2])
 696         if len(objects) != 2:
 697             raise DCJoinException("Expected 2 objects from DsAddEntry")
 698
 699         ctx.ntds_guid = objects[1].guid
 700
 701         print("Replicating partition DN")
 702         ctx.repl.replicate(ctx.partition_dn,
 703                            misc.GUID("00000000-0000-0000-0000-000000000000"),
 704                            ctx.ntds_guid,
 705                            exop=drsuapi.DRSUAPI_EXOP_REPL_OBJ,
 706                            replica_flags=drsuapi.DRSUAPI_DRS_WRIT_REP)
 707
 708         print("Replicating NTDS DN")
 709         ctx.repl.replicate(ctx.ntds_dn,
 710                            misc.GUID("00000000-0000-0000-0000-000000000000"),
 711                            ctx.ntds_guid,
 712                            exop=drsuapi.DRSUAPI_EXOP_REPL_OBJ,
 713                            replica_flags=drsuapi.DRSUAPI_DRS_WRIT_REP)
 714
 715     def join_provision(ctx):
 716         """Provision the local SAM."""
 717
 718         print "Calling bare provision"
 719
 720         smbconf = ctx.lp.configfile
 721
 722         presult = provision(ctx.logger, system_session(), smbconf=smbconf,
 723                 targetdir=ctx.targetdir, samdb_fill=FILL_DRS, realm=ctx.realm,
 724                 rootdn=ctx.root_dn, domaindn=ctx.base_dn,
 725                 schemadn=ctx.schema_dn, configdn=ctx.config_dn,
 726                 serverdn=ctx.server_dn, domain=ctx.domain_name,
 727                 hostname=ctx.myname, domainsid=ctx.domsid,
 728                 machinepass=ctx.acct_pass, serverrole="active directory domain controller",
 729                 sitename=ctx.site, lp=ctx.lp, ntdsguid=ctx.ntds_guid,
 730                 use_ntvfs=ctx.use_ntvfs, dns_backend=ctx.dns_backend)
 731         print "Provision OK for domain DN %s" % presult.domaindn
 732         ctx.local_samdb = presult.samdb
 733         ctx.lp          = presult.lp
 734         ctx.paths       = presult.paths
 735         ctx.names       = presult.names
 736
 737         # Fix up the forestsid, it may be different if we are joining as a subdomain
 738         ctx.names.forestsid = ctx.forestsid
 739
 740     def join_provision_own_domain(ctx):
 741         """Provision the local SAM."""
 742
 743         # we now operate exclusively on the local database, which
 744         # we need to reopen in order to get the newly created schema
 745         print("Reconnecting to local samdb")
 746         ctx.samdb = SamDB(url=ctx.local_samdb.url,
 747                           session_info=system_session(),
 748                           lp=ctx.local_samdb.lp,
 749                           global_schema=False)
 750         ctx.samdb.set_invocation_id(str(ctx.invocation_id))
 751         ctx.local_samdb = ctx.samdb
 752
 753         ctx.logger.info("Finding domain GUID from ncName")
 754         res = ctx.local_samdb.search(base=ctx.partition_dn, scope=ldb.SCOPE_BASE, attrs=['ncName'],
 755                                      controls=["extended_dn:1:1", "reveal_internals:0"])
 756
 757         if 'nCName' not in res[0]:
 758             raise DCJoinException("Can't find naming context on partition DN %s in %s" % (ctx.partition_dn, ctx.samdb.url))
 759
 760         try:
 761             ctx.names.domainguid = str(misc.GUID(ldb.Dn(ctx.samdb, res[0]['ncName'][0]).get_extended_component('GUID')))
 762         except KeyError:
 763             raise DCJoinException("Can't find GUID in naming master on partition DN %s" % res[0]['ncName'][0])
 764
 765         ctx.logger.info("Got domain GUID %s" % ctx.names.domainguid)
 766
 767         ctx.logger.info("Calling own domain provision")
 768
 769         secrets_ldb = Ldb(ctx.paths.secrets, session_info=system_session(), lp=ctx.lp)
 770
 771         presult = provision_fill(ctx.local_samdb, secrets_ldb,
 772                                  ctx.logger, ctx.names, ctx.paths,
 773                                  dom_for_fun_level=DS_DOMAIN_FUNCTION_2003,
 774                                  targetdir=ctx.targetdir, samdb_fill=FILL_SUBDOMAIN,
 775                                  machinepass=ctx.acct_pass, serverrole="active directory domain controller",
 776                                  lp=ctx.lp, hostip=ctx.names.hostip, hostip6=ctx.names.hostip6,
 777                                  dns_backend=ctx.dns_backend, adminpass=ctx.adminpass)
 778         print("Provision OK for domain %s" % ctx.names.dnsdomain)
 779
 780     def join_replicate(ctx):
 781         """Replicate the SAM."""
 782
 783         print "Starting replication"
 784         ctx.local_samdb.transaction_start()
 785         try:
 786             source_dsa_invocation_id = misc.GUID(ctx.samdb.get_invocation_id())
 787             if ctx.ntds_guid is None:
 788                 print("Using DS_BIND_GUID_W2K3")
 789                 destination_dsa_guid = misc.GUID(drsuapi.DRSUAPI_DS_BIND_GUID_W2K3)
 790             else:
 791                 destination_dsa_guid = ctx.ntds_guid
 792
 793             if ctx.RODC:
 794                 repl_creds = Credentials()
 795                 repl_creds.guess(ctx.lp)
 796                 repl_creds.set_kerberos_state(DONT_USE_KERBEROS)
 797                 repl_creds.set_username(ctx.samname)
 798                 repl_creds.set_password(ctx.acct_pass)
 799             else:
 800                 repl_creds = ctx.creds
 801
 802             binding_options = "seal"
 803             if int(ctx.lp.get("log level")) >= 5:
 804                 binding_options += ",print"
 805             repl = drs_utils.drs_Replicate(
 806                 "ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options),
 807                 ctx.lp, repl_creds, ctx.local_samdb, ctx.invocation_id)
 808
 809             repl.replicate(ctx.schema_dn, source_dsa_invocation_id,
 810                     destination_dsa_guid, schema=True, rodc=ctx.RODC,
 811                     replica_flags=ctx.replica_flags)
 812             repl.replicate(ctx.config_dn, source_dsa_invocation_id,
 813                     destination_dsa_guid, rodc=ctx.RODC,
 814                     replica_flags=ctx.replica_flags)
 815             if not ctx.subdomain:
 816                 # Replicate first the critical object for the basedn
 817                 if not ctx.domain_replica_flags & drsuapi.DRSUAPI_DRS_CRITICAL_ONLY:
 818                     print "Replicating critical objects from the base DN of the domain"
 819                     ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY | drsuapi.DRSUAPI_DRS_GET_ANC
 820                     repl.replicate(ctx.base_dn, source_dsa_invocation_id,
 821                                 destination_dsa_guid, rodc=ctx.RODC,
 822                                 replica_flags=ctx.domain_replica_flags)
 823                     ctx.domain_replica_flags ^= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY | drsuapi.DRSUAPI_DRS_GET_ANC
 824                 else:
 825                     ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_GET_ANC
 826                 repl.replicate(ctx.base_dn, source_dsa_invocation_id,
 827                                destination_dsa_guid, rodc=ctx.RODC,
 828                                replica_flags=ctx.domain_replica_flags)
 829             print "Done with always replicated NC (base, config, schema)"
 830
 831             for nc in (ctx.domaindns_zone, ctx.forestdns_zone):
 832                 if nc in ctx.nc_list:
 833                     print "Replicating %s" % (str(nc))
 834                     repl.replicate(nc, source_dsa_invocation_id,
 835                                     destination_dsa_guid, rodc=ctx.RODC,
 836                                     replica_flags=ctx.replica_flags)
 837
 838             # FIXME At this point we should add an entry in the forestdns and domaindns NC
 839             # (those under CN=Partions,DC=...)
 840             # in order to indicate that we hold a replica for this NC
 841
 842             if ctx.RODC:
 843                 repl.replicate(ctx.acct_dn, source_dsa_invocation_id,
 844                         destination_dsa_guid,
 845                         exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET, rodc=True)
 846                 repl.replicate(ctx.new_krbtgt_dn, source_dsa_invocation_id,
 847                         destination_dsa_guid,
 848                         exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET, rodc=True)
 849             ctx.repl = repl
 850             ctx.source_dsa_invocation_id = source_dsa_invocation_id
 851             ctx.destination_dsa_guid = destination_dsa_guid
 852
 853             print "Committing SAM database"
 854         except:
 855             ctx.local_samdb.transaction_cancel()
 856             raise
 857         else:
 858             ctx.local_samdb.transaction_commit()
 859
 860     def send_DsReplicaUpdateRefs(ctx, dn):
 861         r = drsuapi.DsReplicaUpdateRefsRequest1()
 862         r.naming_context = drsuapi.DsReplicaObjectIdentifier()
 863         r.naming_context.dn = str(dn)
 864         r.naming_context.guid = misc.GUID("00000000-0000-0000-0000-000000000000")
 865         r.naming_context.sid = security.dom_sid("S-0-0")
 866         r.dest_dsa_guid = ctx.ntds_guid
 867         r.dest_dsa_dns_name = "%s._msdcs.%s" % (str(ctx.ntds_guid), ctx.dnsforest)
 868         r.options = drsuapi.DRSUAPI_DRS_ADD_REF | drsuapi.DRSUAPI_DRS_DEL_REF
 869         if not ctx.RODC:
 870             r.options |= drsuapi.DRSUAPI_DRS_WRIT_REP
 871
 872         if ctx.drsuapi:
 873             ctx.drsuapi.DsReplicaUpdateRefs(ctx.drsuapi_handle, 1, r)
 874
 875     def join_finalise(ctx):
 876         """Finalise the join, mark us synchronised and setup secrets db."""
 877
 878         # FIXME we shouldn't do this in all cases
 879         # If for some reasons we joined in another site than the one of
 880         # DC we just replicated from then we don't need to send the updatereplicateref
 881         # as replication between sites is time based and on the initiative of the
 882         # requesting DC
 883         ctx.logger.info("Sending DsReplicaUpdateRefs for all the replicated partitions")
 884         for nc in ctx.nc_list:
 885             ctx.send_DsReplicaUpdateRefs(nc)
 886
 887         if ctx.RODC:
 888             print "Setting RODC invocationId"
 889             ctx.local_samdb.set_invocation_id(str(ctx.invocation_id))
 890             ctx.local_samdb.set_opaque_integer("domainFunctionality",
 891                                                ctx.behavior_version)
 892             m = ldb.Message()
 893             m.dn = ldb.Dn(ctx.local_samdb, "%s" % ctx.ntds_dn)
 894             m["invocationId"] = ldb.MessageElement(ndr_pack(ctx.invocation_id),
 895                                                    ldb.FLAG_MOD_REPLACE,
 896                                                    "invocationId")
 897             ctx.local_samdb.modify(m)
 898
 899             # Note: as RODC the invocationId is only stored
 900             # on the RODC itself, the other DCs never see it.
 901             #
 902             # Thats is why we fix up the replPropertyMetaData stamp
 903             # for the 'invocationId' attribute, we need to change
 904             # the 'version' to '0', this is what windows 2008r2 does as RODC
 905             #
 906             # This means if the object on a RWDC ever gets a invocationId
 907             # attribute, it will have version '1' (or higher), which will
 908             # will overwrite the RODC local value.
 909             ctx.local_samdb.set_attribute_replmetadata_version(m.dn,
 910                                                                "invocationId",
 911                                                                0)
 912
 913         ctx.logger.info("Setting isSynchronized and dsServiceName")
 914         m = ldb.Message()
 915         m.dn = ldb.Dn(ctx.local_samdb, '@ROOTDSE')
 916         m["isSynchronized"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_REPLACE, "isSynchronized")
 917         m["dsServiceName"] = ldb.MessageElement("<GUID=%s>" % str(ctx.ntds_guid),
 918                                                 ldb.FLAG_MOD_REPLACE, "dsServiceName")
 919         ctx.local_samdb.modify(m)
 920
 921         if ctx.subdomain:
 922             return
 923
 924         secrets_ldb = Ldb(ctx.paths.secrets, session_info=system_session(), lp=ctx.lp)
 925
 926         ctx.logger.info("Setting up secrets database")
 927         secretsdb_self_join(secrets_ldb, domain=ctx.domain_name,
 928                             realm=ctx.realm,
 929                             dnsdomain=ctx.dnsdomain,
 930                             netbiosname=ctx.myname,
 931                             domainsid=ctx.domsid,
 932                             machinepass=ctx.acct_pass,
 933                             secure_channel_type=ctx.secure_channel_type,
 934                             key_version_number=ctx.key_version_number)
 935
 936         if ctx.dns_backend.startswith("BIND9_"):
 937             setup_bind9_dns(ctx.local_samdb, secrets_ldb,
 938                             ctx.names, ctx.paths, ctx.lp, ctx.logger,
 939                             dns_backend=ctx.dns_backend,
 940                             dnspass=ctx.dnspass, os_level=ctx.behavior_version,
 941                             targetdir=ctx.targetdir,
 942                             key_version_number=ctx.dns_key_version_number)
 943
 944     def join_setup_trusts(ctx):
 945         """provision the local SAM."""
 946
 947         def arcfour_encrypt(key, data):
 948             from Crypto.Cipher import ARC4
 949             c = ARC4.new(key)
 950             return c.encrypt(data)
 951
 952         def string_to_array(string):
 953             blob = [0] * len(string)
 954
 955             for i in range(len(string)):
 956                 blob[i] = ord(string[i])
 957
 958             return blob
 959
 960         print "Setup domain trusts with server %s" % ctx.server
 961         binding_options = ""  # why doesn't signing work here? w2k8r2 claims no session key
 962         lsaconn = lsa.lsarpc("ncacn_np:%s[%s]" % (ctx.server, binding_options),
 963                              ctx.lp, ctx.creds)
 964
 965         objectAttr = lsa.ObjectAttribute()
 966         objectAttr.sec_qos = lsa.QosInfo()
 967
 968         pol_handle = lsaconn.OpenPolicy2(''.decode('utf-8'),
 969                                          objectAttr, security.SEC_FLAG_MAXIMUM_ALLOWED)
 970
 971         info = lsa.TrustDomainInfoInfoEx()
 972         info.domain_name.string = ctx.dnsdomain
 973         info.netbios_name.string = ctx.domain_name
 974         info.sid = ctx.domsid
 975         info.trust_direction = lsa.LSA_TRUST_DIRECTION_INBOUND | lsa.LSA_TRUST_DIRECTION_OUTBOUND
 976         info.trust_type = lsa.LSA_TRUST_TYPE_UPLEVEL
 977         info.trust_attributes = lsa.LSA_TRUST_ATTRIBUTE_WITHIN_FOREST
 978
 979         try:
 980             oldname = lsa.String()
 981             oldname.string = ctx.dnsdomain
 982             oldinfo = lsaconn.QueryTrustedDomainInfoByName(pol_handle, oldname,
 983                                                            lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO)
 984             print("Removing old trust record for %s (SID %s)" % (ctx.dnsdomain, oldinfo.info_ex.sid))
 985             lsaconn.DeleteTrustedDomain(pol_handle, oldinfo.info_ex.sid)
 986         except RuntimeError:
 987             pass
 988
 989         password_blob = string_to_array(ctx.trustdom_pass.encode('utf-16-le'))
 990
 991         clear_value = drsblobs.AuthInfoClear()
 992         clear_value.size = len(password_blob)
 993         clear_value.password = password_blob
 994
 995         clear_authentication_information = drsblobs.AuthenticationInformation()
 996         clear_authentication_information.LastUpdateTime = samba.unix2nttime(int(time.time()))
 997         clear_authentication_information.AuthType = lsa.TRUST_AUTH_TYPE_CLEAR
 998         clear_authentication_information.AuthInfo = clear_value
 999
1000         authentication_information_array = drsblobs.AuthenticationInformationArray()
1001         authentication_information_array.count = 1
1002         authentication_information_array.array = [clear_authentication_information]
1003
1004         outgoing = drsblobs.trustAuthInOutBlob()
1005         outgoing.count = 1
1006         outgoing.current = authentication_information_array
1007
1008         trustpass = drsblobs.trustDomainPasswords()
1009         confounder = [3] * 512
1010
1011         for i in range(512):
1012             confounder[i] = random.randint(0, 255)
1013
1014         trustpass.confounder = confounder
1015
1016         trustpass.outgoing = outgoing
1017         trustpass.incoming = outgoing
1018
1019         trustpass_blob = ndr_pack(trustpass)
1020
1021         encrypted_trustpass = arcfour_encrypt(lsaconn.session_key, trustpass_blob)
1022
1023         auth_blob = lsa.DATA_BUF2()
1024         auth_blob.size = len(encrypted_trustpass)
1025         auth_blob.data = string_to_array(encrypted_trustpass)
1026
1027         auth_info = lsa.TrustDomainInfoAuthInfoInternal()
1028         auth_info.auth_blob = auth_blob
1029
1030         trustdom_handle = lsaconn.CreateTrustedDomainEx2(pol_handle,
1031                                                          info,
1032                                                          auth_info,
1033                                                          security.SEC_STD_DELETE)
1034
1035         rec = {
1036             "dn" : "cn=%s,cn=system,%s" % (ctx.dnsforest, ctx.base_dn),
1037             "objectclass" : "trustedDomain",
1038             "trustType" : str(info.trust_type),
1039             "trustAttributes" : str(info.trust_attributes),
1040             "trustDirection" : str(info.trust_direction),
1041             "flatname" : ctx.forest_domain_name,
1042             "trustPartner" : ctx.dnsforest,
1043             "trustAuthIncoming" : ndr_pack(outgoing),
1044             "trustAuthOutgoing" : ndr_pack(outgoing),
1045             "securityIdentifier" : ndr_pack(ctx.forestsid)
1046             }
1047         ctx.local_samdb.add(rec)
1048
1049         rec = {
1050             "dn" : "cn=%s$,cn=users,%s" % (ctx.forest_domain_name, ctx.base_dn),
1051             "objectclass" : "user",
1052             "userAccountControl" : str(samba.dsdb.UF_INTERDOMAIN_TRUST_ACCOUNT),
1053             "clearTextPassword" : ctx.trustdom_pass.encode('utf-16-le'),
1054             "samAccountName" : "%s$" % ctx.forest_domain_name
1055             }
1056         ctx.local_samdb.add(rec)
1057
1058
1059     def do_join(ctx):
1060         # nc_list is the list of naming context (NC) for which we will
1061         # replicate in and send a updateRef command to the partner DC
1062
1063         # full_nc_list is the list of naming context (NC) we hold
1064         # read/write copies of.  These are not subsets of each other.
1065         ctx.nc_list = [ ctx.config_dn, ctx.schema_dn ]
1066         ctx.full_nc_list = [ ctx.base_dn, ctx.config_dn, ctx.schema_dn ]
1067
1068         if ctx.subdomain and ctx.dns_backend != "NONE":
1069             ctx.full_nc_list += [ctx.domaindns_zone]
1070
1071         elif not ctx.subdomain:
1072             ctx.nc_list += [ctx.base_dn]
1073
1074             if ctx.dns_backend != "NONE":
1075                 ctx.nc_list += [ctx.domaindns_zone]
1076                 ctx.nc_list += [ctx.forestdns_zone]
1077                 ctx.full_nc_list += [ctx.domaindns_zone]
1078                 ctx.full_nc_list += [ctx.forestdns_zone]
1079
1080         if ctx.promote_existing:
1081             ctx.promote_possible()
1082         else:
1083             ctx.cleanup_old_join()
1084
1085         try:
1086             ctx.join_add_objects()
1087             ctx.join_provision()
1088             ctx.join_replicate()
1089             if ctx.subdomain:
1090                 ctx.join_add_objects2()
1091                 ctx.join_provision_own_domain()
1092                 ctx.join_setup_trusts()
1093             ctx.join_finalise()
1094         except:
1095             print "Join failed - cleaning up"
1096             ctx.cleanup_old_join()
1097             raise
1098
1099
1100 def join_RODC(logger=None, server=None, creds=None, lp=None, site=None, netbios_name=None,
1101               targetdir=None, domain=None, domain_critical_only=False,
1102               machinepass=None, use_ntvfs=False, dns_backend=None,
1103               promote_existing=False):
1104     """Join as a RODC."""
1105
1106     ctx = dc_join(logger, server, creds, lp, site, netbios_name, targetdir, domain,
1107                   machinepass, use_ntvfs, dns_backend, promote_existing)
1108
1109     lp.set("workgroup", ctx.domain_name)
1110     logger.info("workgroup is %s" % ctx.domain_name)
1111
1112     lp.set("realm", ctx.realm)
1113     logger.info("realm is %s" % ctx.realm)
1114
1115     ctx.krbtgt_dn = "CN=krbtgt_%s,CN=Users,%s" % (ctx.myname, ctx.base_dn)
1116
1117     # setup some defaults for accounts that should be replicated to this RODC
1118     ctx.never_reveal_sid = [
1119         "<SID=%s-%s>" % (ctx.domsid, security.DOMAIN_RID_RODC_DENY),
1120         "<SID=%s>" % security.SID_BUILTIN_ADMINISTRATORS,
1121         "<SID=%s>" % security.SID_BUILTIN_SERVER_OPERATORS,
1122         "<SID=%s>" % security.SID_BUILTIN_BACKUP_OPERATORS,
1123         "<SID=%s>" % security.SID_BUILTIN_ACCOUNT_OPERATORS]
1124     ctx.reveal_sid = "<SID=%s-%s>" % (ctx.domsid, security.DOMAIN_RID_RODC_ALLOW)
1125
1126     mysid = ctx.get_mysid()
1127     admin_dn = "<SID=%s>" % mysid
1128     ctx.managedby = admin_dn
1129
1130     ctx.userAccountControl = (samba.dsdb.UF_WORKSTATION_TRUST_ACCOUNT |
1131                               samba.dsdb.UF_TRUSTED_TO_AUTHENTICATE_FOR_DELEGATION |
1132                               samba.dsdb.UF_PARTIAL_SECRETS_ACCOUNT)
1133
1134     ctx.SPNs.extend([ "RestrictedKrbHost/%s" % ctx.myname,
1135                       "RestrictedKrbHost/%s" % ctx.dnshostname ])
1136
1137     ctx.connection_dn = "CN=RODC Connection (FRS),%s" % ctx.ntds_dn
1138     ctx.secure_channel_type = misc.SEC_CHAN_RODC
1139     ctx.RODC = True
1140     ctx.replica_flags  =  (drsuapi.DRSUAPI_DRS_INIT_SYNC |
1141                            drsuapi.DRSUAPI_DRS_PER_SYNC |
1142                            drsuapi.DRSUAPI_DRS_GET_ANC |
1143                            drsuapi.DRSUAPI_DRS_NEVER_SYNCED |
1144                            drsuapi.DRSUAPI_DRS_SPECIAL_SECRET_PROCESSING |
1145                            drsuapi.DRSUAPI_DRS_GET_ALL_GROUP_MEMBERSHIP)
1146     ctx.domain_replica_flags = ctx.replica_flags
1147     if domain_critical_only:
1148         ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY
1149
1150     ctx.do_join()
1151
1152     logger.info("Joined domain %s (SID %s) as an RODC" % (ctx.domain_name, ctx.domsid))
1153
1154
1155 def join_DC(logger=None, server=None, creds=None, lp=None, site=None, netbios_name=None,
1156             targetdir=None, domain=None, domain_critical_only=False,
1157             machinepass=None, use_ntvfs=False, dns_backend=None,
1158             promote_existing=False):
1159     """Join as a DC."""
1160     ctx = dc_join(logger, server, creds, lp, site, netbios_name, targetdir, domain,
1161                   machinepass, use_ntvfs, dns_backend, promote_existing)
1162
1163     lp.set("workgroup", ctx.domain_name)
1164     logger.info("workgroup is %s" % ctx.domain_name)
1165
1166     lp.set("realm", ctx.realm)
1167     logger.info("realm is %s" % ctx.realm)
1168
1169     ctx.userAccountControl = samba.dsdb.UF_SERVER_TRUST_ACCOUNT | samba.dsdb.UF_TRUSTED_FOR_DELEGATION
1170
1171     ctx.SPNs.append('E3514235-4B06-11D1-AB04-00C04FC2DCD2/$NTDSGUID/%s' % ctx.dnsdomain)
1172     ctx.secure_channel_type = misc.SEC_CHAN_BDC
1173
1174     ctx.replica_flags = (drsuapi.DRSUAPI_DRS_WRIT_REP |
1175                          drsuapi.DRSUAPI_DRS_INIT_SYNC |
1176                          drsuapi.DRSUAPI_DRS_PER_SYNC |
1177                          drsuapi.DRSUAPI_DRS_FULL_SYNC_IN_PROGRESS |
1178                          drsuapi.DRSUAPI_DRS_NEVER_SYNCED)
1179     ctx.domain_replica_flags = ctx.replica_flags
1180     if domain_critical_only:
1181         ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY
1182
1183     ctx.do_join()
1184     logger.info("Joined domain %s (SID %s) as a DC" % (ctx.domain_name, ctx.domsid))
1185
1186 def join_subdomain(logger=None, server=None, creds=None, lp=None, site=None,
1187         netbios_name=None, targetdir=None, parent_domain=None, dnsdomain=None,
1188         netbios_domain=None, machinepass=None, adminpass=None, use_ntvfs=False,
1189         dns_backend=None):
1190     """Join as a DC."""
1191     ctx = dc_join(logger, server, creds, lp, site, netbios_name, targetdir, parent_domain,
1192                   machinepass, use_ntvfs, dns_backend)
1193     ctx.subdomain = True
1194     if adminpass is None:
1195         ctx.adminpass = samba.generate_random_password(12, 32)
1196     else:
1197         ctx.adminpass = adminpass
1198     ctx.parent_domain_name = ctx.domain_name
1199     ctx.domain_name = netbios_domain
1200     ctx.realm = dnsdomain
1201     ctx.parent_dnsdomain = ctx.dnsdomain
1202     ctx.parent_partition_dn = ctx.get_parent_partition_dn()
1203     ctx.dnsdomain = dnsdomain
1204     ctx.partition_dn = "CN=%s,CN=Partitions,%s" % (ctx.domain_name, ctx.config_dn)
1205     ctx.naming_master = ctx.get_naming_master()
1206     if ctx.naming_master != ctx.server:
1207         logger.info("Reconnecting to naming master %s" % ctx.naming_master)
1208         ctx.server = ctx.naming_master
1209         ctx.samdb = SamDB(url="ldap://%s" % ctx.server,
1210                           session_info=system_session(),
1211                           credentials=ctx.creds, lp=ctx.lp)
1212         res = ctx.samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=['dnsHostName'],
1213                                controls=[])
1214         ctx.server = res[0]["dnsHostName"]
1215         logger.info("DNS name of new naming master is %s" % ctx.server)
1216
1217     ctx.base_dn = samba.dn_from_dns_name(dnsdomain)
1218     ctx.forestsid = ctx.domsid
1219     ctx.domsid = security.random_sid()
1220     ctx.acct_dn = None
1221     ctx.dnshostname = "%s.%s" % (ctx.myname.lower(), ctx.dnsdomain)
1222     ctx.trustdom_pass = samba.generate_random_password(128, 128)
1223
1224     ctx.userAccountControl = samba.dsdb.UF_SERVER_TRUST_ACCOUNT | samba.dsdb.UF_TRUSTED_FOR_DELEGATION
1225
1226     ctx.SPNs.append('E3514235-4B06-11D1-AB04-00C04FC2DCD2/$NTDSGUID/%s' % ctx.dnsdomain)
1227     ctx.secure_channel_type = misc.SEC_CHAN_BDC
1228
1229     ctx.replica_flags = (drsuapi.DRSUAPI_DRS_WRIT_REP |
1230                          drsuapi.DRSUAPI_DRS_INIT_SYNC |
1231                          drsuapi.DRSUAPI_DRS_PER_SYNC |
1232                          drsuapi.DRSUAPI_DRS_FULL_SYNC_IN_PROGRESS |
1233                          drsuapi.DRSUAPI_DRS_NEVER_SYNCED)
1234     ctx.domain_replica_flags = ctx.replica_flags
1235
1236     ctx.do_join()
1237     ctx.logger.info("Created domain %s (SID %s) as a DC" % (ctx.domain_name, ctx.domsid))