s4-provision Add an invalid names check for 'domain == netbiosname'
[nivanova/samba-autobuild/.git] / source4 / scripting / python / samba / join.py
index 725458d406629a0707071806bba7c94b7044c674..60f3ac305bce40ca3fcd01660c3e33eee8a9219b 100644 (file)
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 
-import samba.getopt as options
+"""Joining a domain."""
+
 from samba.auth import system_session
 from samba.samdb import SamDB
-from samba import gensec
-import ldb, samba, sys
-from samba.ndr import ndr_pack, ndr_unpack, ndr_print
-from samba.dcerpc import security
-from samba.dcerpc import drsuapi, misc, netlogon
+from samba import gensec, Ldb, drs_utils
+import ldb, samba, sys, os, uuid
+from samba.ndr import ndr_pack
+from samba.dcerpc import security, drsuapi, misc, nbt
 from samba.credentials import Credentials, DONT_USE_KERBEROS
 from samba.provision import secretsdb_self_join, provision, FILL_DRS, find_setup_dir
+from samba.schema import Schema
 from samba.net import Net
 import logging
+import talloc
 
-class join_ctx:
-    '''hold join context variables'''
-    pass
+# this makes debugging easier
+talloc.enable_null_tracking()
 
-def join_rodc(server=None, creds=None, lp=None, site=None, netbios_name=None,
-              targetdir=None):
-    """join as a RODC"""
+class dc_join:
+    '''perform a DC join'''
+
+    def __init__(ctx, server=None, creds=None, lp=None, site=None, netbios_name=None,
+                 targetdir=None, domain=None):
+        ctx.creds = creds
+        ctx.lp = lp
+        ctx.site = site
+        ctx.netbios_name = netbios_name
+        ctx.targetdir = targetdir
+
+        ctx.creds.set_gensec_features(creds.get_gensec_features() | gensec.FEATURE_SEAL)
+        ctx.net = Net(creds=ctx.creds, lp=ctx.lp)
+
+        if server is not None:
+            ctx.server = server
+        else:
+            print("Finding a writeable DC for domain '%s'" % domain)
+            ctx.server = ctx.find_dc(domain)
+            print("Found DC %s" % ctx.server)
+
+        ctx.samdb = SamDB(url="ldap://%s" % ctx.server,
+                          session_info=system_session(),
+                          credentials=ctx.creds, lp=ctx.lp)
+
+        ctx.myname = netbios_name
+        ctx.samname = "%s$" % ctx.myname
+        ctx.base_dn = str(ctx.samdb.get_default_basedn())
+        ctx.root_dn = str(ctx.samdb.get_root_basedn())
+        ctx.schema_dn = str(ctx.samdb.get_schema_basedn())
+        ctx.config_dn = str(ctx.samdb.get_config_basedn())
+        ctx.domsid = ctx.samdb.get_domain_sid()
+        ctx.domain_name = ctx.get_domain_name()
+
+        lp.set("workgroup", ctx.domain_name)
+        print("workgroup is %s" % ctx.domain_name)
+
+        ctx.dc_ntds_dn = ctx.get_dsServiceName()
+        ctx.dc_dnsHostName = ctx.get_dnsHostName()
+        ctx.behavior_version = ctx.get_behavior_version()
+
+        ctx.acct_pass = samba.generate_random_password(32, 40)
+
+        # work out the DNs of all the objects we will be adding
+        ctx.server_dn = "CN=%s,CN=Servers,CN=%s,CN=Sites,%s" % (ctx.myname, ctx.site, ctx.config_dn)
+        ctx.ntds_dn = "CN=NTDS Settings,%s" % ctx.server_dn
+        topology_base = "CN=Topology,CN=Domain System Volume,CN=DFSR-GlobalSettings,CN=System,%s" % ctx.base_dn
+        if ctx.dn_exists(topology_base):
+            ctx.topology_dn = "CN=%s,%s" % (ctx.myname, topology_base)
+        else:
+            ctx.topology_dn = None
+
+        ctx.dnsdomain = ldb.Dn(ctx.samdb, ctx.base_dn).canonical_str().split('/')[0]
+
+        ctx.realm = ctx.dnsdomain
+        lp.set("realm", ctx.realm)
+
+        print("realm is %s" % ctx.realm)
 
-    if server is None:
-        raise Exception("You must supply a server for a RODC join")
+        ctx.dnshostname = "%s.%s" % (ctx.myname.lower(), ctx.dnsdomain)
 
-    def del_noerror(samdb, dn):
+        ctx.acct_dn = "CN=%s,OU=Domain Controllers,%s" % (ctx.myname, ctx.base_dn)
+
+        ctx.setup_dir = find_setup_dir()
+        ctx.tmp_samdb = None
+
+        ctx.SPNs = [ "HOST/%s" % ctx.myname,
+                     "HOST/%s" % ctx.dnshostname,
+                     "GC/%s/%s" % (ctx.dnshostname, ctx.dnsdomain) ]
+
+        # these elements are optional
+        ctx.never_reveal_sid = None
+        ctx.reveal_sid = None
+        ctx.connection_dn = None
+        ctx.RODC = False
+        ctx.krbtgt_dn = None
+        ctx.drsuapi = None
+        ctx.managedby = None
+
+
+    def del_noerror(ctx, dn, recursive=False):
+        if recursive:
+            try:
+                res = ctx.samdb.search(base=dn, scope=ldb.SCOPE_ONELEVEL, attrs=["dn"])
+            except Exception:
+                return
+            for r in res:
+                ctx.del_noerror(r.dn, recursive=True)
         try:
-            samdb.delete(dn)
+            ctx.samdb.delete(dn)
             print "Deleted %s" % dn
-        except:
+        except Exception:
             pass
 
     def cleanup_old_join(ctx):
         '''remove any DNs from a previous join'''
         try:
             # find the krbtgt link
-            res = ctx.samdb.search(base=ctx.acct_dn, scope=ldb.SCOPE_BASE, attrs=["msDS-krbTgtLink"])
-            del_noerror(ctx.samdb, ctx.acct_dn)
-            del_noerror(ctx.samdb, ctx.connection_dn)
-            del_noerror(ctx.samdb, ctx.krbtgt_dn)
-            del_noerror(ctx.samdb, ctx.ntds_dn)
-            del_noerror(ctx.samdb, ctx.server_dn)
-            del_noerror(ctx.samdb, ctx.topology_dn)
-            ctx.new_krbtgt_dn = res[0]["msDS-Krbtgtlink"][0]
-            del_noerror(ctx.samdb, ctx.new_krbtgt_dn)
-        except:
+            print("checking samaccountname")
+            res = ctx.samdb.search(base=ctx.samdb.get_default_basedn(),
+                                   expression='samAccountName=%s' % ctx.samname,
+                                   attrs=["msDS-krbTgtLink"])
+            if res:
+                ctx.del_noerror(res[0].dn, recursive=True)
+            if ctx.connection_dn is not None:
+                ctx.del_noerror(ctx.connection_dn)
+            if ctx.krbtgt_dn is not None:
+                ctx.del_noerror(ctx.krbtgt_dn)
+            ctx.del_noerror(ctx.ntds_dn)
+            ctx.del_noerror(ctx.server_dn, recursive=True)
+            if ctx.topology_dn:
+                ctx.del_noerror(ctx.topology_dn)
+            if res:
+                ctx.new_krbtgt_dn = res[0]["msDS-Krbtgtlink"][0]
+                ctx.del_noerror(ctx.new_krbtgt_dn)
+        except Exception:
             pass
 
-    def get_dsServiceName(samdb):
-        res = samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["dsServiceName"])
+    def find_dc(ctx, domain):
+        '''find a writeable DC for the given domain'''
+        try:
+            ctx.cldap_ret = ctx.net.finddc(domain, nbt.NBT_SERVER_LDAP | nbt.NBT_SERVER_DS | nbt.NBT_SERVER_WRITABLE)
+        except Exception:
+            raise Exception("Failed to find a writeable DC for domain '%s'" % domain)
+        if ctx.cldap_ret.client_site is not None and ctx.cldap_ret.client_site != "":
+            ctx.site = ctx.cldap_ret.client_site
+        return ctx.cldap_ret.pdc_dns_name
+
+
+    def get_dsServiceName(ctx):
+        res = ctx.samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["dsServiceName"])
         return res[0]["dsServiceName"][0]
 
-    def get_dnsHostName(samdb):
-        res = samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["dnsHostName"])
+    def get_behavior_version(ctx):
+        res = ctx.samdb.search(base=ctx.base_dn, scope=ldb.SCOPE_BASE, attrs=["msDS-Behavior-Version"])
+        if "msDS-Behavior-Version" in res[0]:
+            return int(res[0]["msDS-Behavior-Version"][0])
+        else:
+            return samba.dsdb.DS_DOMAIN_FUNCTION_2000
+
+    def get_dnsHostName(ctx):
+        res = ctx.samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["dnsHostName"])
         return res[0]["dnsHostName"][0]
 
-    def get_mysid(samdb):
-        res = samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["tokenGroups"])
+    def get_domain_name(ctx):
+        '''get netbios name of the domain from the partitions record'''
+        partitions_dn = ctx.samdb.get_partitions_dn()
+        res = ctx.samdb.search(base=partitions_dn, scope=ldb.SCOPE_ONELEVEL, attrs=["nETBIOSName"],
+                               expression='ncName=%s' % ctx.samdb.get_default_basedn())
+        return res[0]["nETBIOSName"][0]
+
+    def get_mysid(ctx):
+        '''get the SID of the connected user. Only works with w2k8 and later,
+           so only used for RODC join'''
+        res = ctx.samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["tokenGroups"])
         binsid = res[0]["tokenGroups"][0]
-        return samdb.schema_format_value("objectSID", binsid)
-
-    def get_domain_name(samdb):
-        # this should be done via CLDAP
-        res = samdb.search(base=samdb.get_default_basedn(), scope=ldb.SCOPE_BASE, attrs=["name"])
-        return res[0]["name"][0]
-
-    def do_DsBind(drs):
-        '''make a DsBind call, returning the binding handle'''
-        bind_info = drsuapi.DsBindInfoCtr()
-        bind_info.length = 28
-        bind_info.info = drsuapi.DsBindInfo28()
-        bind_info.info.supported_extensions    |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_BASE;
-       bind_info.info.supported_extensions     |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_ASYNC_REPLICATION;
-       bind_info.info.supported_extensions     |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_REMOVEAPI;
-       bind_info.info.supported_extensions     |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_MOVEREQ_V2;
-       bind_info.info.supported_extensions     |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_GETCHG_COMPRESS;
-       bind_info.info.supported_extensions     |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V1;
-       bind_info.info.supported_extensions     |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_RESTORE_USN_OPTIMIZATION;
-       bind_info.info.supported_extensions     |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_KCC_EXECUTE;
-       bind_info.info.supported_extensions     |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_ADDENTRY_V2;
-       bind_info.info.supported_extensions     |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_LINKED_VALUE_REPLICATION;
-       bind_info.info.supported_extensions     |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V2;
-       bind_info.info.supported_extensions     |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_INSTANCE_TYPE_NOT_REQ_ON_MOD;
-       bind_info.info.supported_extensions     |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_CRYPTO_BIND;
-       bind_info.info.supported_extensions     |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_GET_REPL_INFO;
-       bind_info.info.supported_extensions     |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_STRONG_ENCRYPTION;
-       bind_info.info.supported_extensions     |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V01;
-       bind_info.info.supported_extensions     |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_TRANSITIVE_MEMBERSHIP;
-       bind_info.info.supported_extensions     |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_ADD_SID_HISTORY;
-       bind_info.info.supported_extensions     |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_POST_BETA3;
-       bind_info.info.supported_extensions     |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_GET_MEMBERSHIPS2;
-       bind_info.info.supported_extensions     |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V6;
-       bind_info.info.supported_extensions     |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_NONDOMAIN_NCS;
-       bind_info.info.supported_extensions     |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V8;
-       bind_info.info.supported_extensions     |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V5;
-       bind_info.info.supported_extensions     |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V6;
-       bind_info.info.supported_extensions     |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_ADDENTRYREPLY_V3;
-       bind_info.info.supported_extensions     |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V7;
-       bind_info.info.supported_extensions     |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_VERIFY_OBJECT;
-        (info, handle) = drs.DsBind(misc.GUID(drsuapi.DRSUAPI_DS_BIND_GUID), bind_info)
-        return handle
-
-    def get_rodc_partial_attribute_set(ctx):
-        '''get a list of attributes for RODC replication'''
-        partial_attribute_set = drsuapi.DsPartialAttributeSet()
-        partial_attribute_set.version = 1
-
-        ctx.attids = []
-
-        # the exact list of attids we send is quite critical. Note that
-        # we do ask for the secret attributes, but set set SPECIAL_SECRET_PROCESSING
-        # to zero them out
-        res = ctx.local_samdb.search(base=ctx.schema_dn, scope=ldb.SCOPE_SUBTREE,
-                                     expression="objectClass=attributeSchema",
-                                     attrs=["lDAPDisplayName", "systemFlags",
-                                            "searchFlags"])
-        for r in res:
-            ldap_display_name = r["lDAPDisplayName"][0]
-            if "systemFlags" in r:
-                system_flags      = r["systemFlags"][0]
-                if (int(system_flags) & (samba.dsdb.DS_FLAG_ATTR_NOT_REPLICATED |
-                                         samba.dsdb.DS_FLAG_ATTR_IS_CONSTRUCTED)):
-                    continue
-            search_flags = r["searchFlags"][0]
-            if (int(search_flags) & samba.dsdb.SEARCH_FLAG_RODC_ATTRIBUTE):
+        return ctx.samdb.schema_format_value("objectSID", binsid)
+
+    def dn_exists(ctx, dn):
+        '''check if a DN exists'''
+        try:
+            res = ctx.samdb.search(base=dn, scope=ldb.SCOPE_BASE, attrs=[])
+        except ldb.LdbError, (enum, estr):
+            if enum == ldb.ERR_NO_SUCH_OBJECT:
+                return False
+            raise
+        return True
+
+    def add_krbtgt_account(ctx):
+        '''RODCs need a special krbtgt account'''
+        print "Adding %s" % ctx.krbtgt_dn
+        rec = {
+            "dn" : ctx.krbtgt_dn,
+            "objectclass" : "user",
+            "useraccountcontrol" : str(samba.dsdb.UF_NORMAL_ACCOUNT |
+                                       samba.dsdb.UF_ACCOUNTDISABLE),
+            "showinadvancedviewonly" : "TRUE",
+            "description" : "krbtgt for %s" % ctx.samname}
+        ctx.samdb.add(rec, ["rodc_join:1:1"])
+
+        # now we need to search for the samAccountName attribute on the krbtgt DN,
+        # as this will have been magically set to the krbtgt number
+        res = ctx.samdb.search(base=ctx.krbtgt_dn, scope=ldb.SCOPE_BASE, attrs=["samAccountName"])
+        ctx.krbtgt_name = res[0]["samAccountName"][0]
+
+        print "Got krbtgt_name=%s" % ctx.krbtgt_name
+
+        m = ldb.Message()
+        m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
+        m["msDS-krbTgtLink"] = ldb.MessageElement(ctx.krbtgt_dn,
+                                                  ldb.FLAG_MOD_REPLACE, "msDS-krbTgtLink")
+        ctx.samdb.modify(m)
+
+        ctx.new_krbtgt_dn = "CN=%s,CN=Users,%s" % (ctx.krbtgt_name, ctx.base_dn)
+        print "Renaming %s to %s" % (ctx.krbtgt_dn, ctx.new_krbtgt_dn)
+        ctx.samdb.rename(ctx.krbtgt_dn, ctx.new_krbtgt_dn)
+
+    def drsuapi_connect(ctx):
+        '''make a DRSUAPI connection to the server'''
+        binding_options = "seal"
+        if ctx.lp.get("log level") >= 5:
+            binding_options += ",print"
+        binding_string = "ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options)
+        ctx.drsuapi = drsuapi.drsuapi(binding_string, ctx.lp, ctx.creds)
+        (ctx.drsuapi_handle, ctx.bind_supported_extensions) = drs_utils.drs_DsBind(ctx.drsuapi)
+
+    def create_tmp_samdb(ctx):
+        '''create a temporary samdb object for schema queries'''
+        def setup_path(file):
+            return os.path.join(ctx.setup_dir, file)
+        ctx.tmp_schema = Schema(setup_path, security.dom_sid(ctx.domsid),
+                                schemadn=ctx.schema_dn)
+        ctx.tmp_samdb = SamDB(session_info=system_session(), url=None, auto_connect=False,
+                              credentials=ctx.creds, lp=ctx.lp, global_schema=False,
+                              am_rodc=False)
+        ctx.tmp_samdb.set_schema(ctx.tmp_schema)
+
+    def build_DsReplicaAttribute(ctx, attrname, attrvalue):
+        '''build a DsReplicaAttributeCtr object'''
+        r = drsuapi.DsReplicaAttribute()
+        r.attid = ctx.tmp_samdb.get_attid_from_lDAPDisplayName(attrname)
+        r.value_ctr = 1
+
+
+    def DsAddEntry(ctx, rec):
+        '''add a record via the DRSUAPI DsAddEntry call'''
+        if ctx.drsuapi is None:
+            ctx.drsuapi_connect()
+        if ctx.tmp_samdb is None:
+            ctx.create_tmp_samdb()
+
+        id = drsuapi.DsReplicaObjectIdentifier()
+        id.dn = rec['dn']
+
+        attrs = []
+        for a in rec:
+            if a == 'dn':
                 continue
-            attid = ctx.local_samdb.get_attid_from_lDAPDisplayName(ldap_display_name)
-            ctx.attids.append(int(attid))
-
-        # the attids do need to be sorted, or windows doesn't return
-        # all the attributes we need
-        ctx.attids.sort()
-        partial_attribute_set.attids         = ctx.attids
-        partial_attribute_set.num_attids = len(ctx.attids)
-        return partial_attribute_set
-
-
-    def replicate_partition(ctx, dn, schema=False, exop=drsuapi.DRSUAPI_EXOP_NONE):
-        '''replicate a partition'''
-
-        # setup for a GetNCChanges call
-        req8 = drsuapi.DsGetNCChangesRequest8()
-
-        req8.destination_dsa_guid           = ctx.ntds_guid
-        req8.source_dsa_invocation_id      = misc.GUID(ctx.samdb.get_invocation_id())
-        req8.naming_context                = drsuapi.DsReplicaObjectIdentifier()
-        req8.naming_context.dn              = dn.decode("utf-8")
-        req8.highwatermark                  = drsuapi.DsReplicaHighWaterMark()
-        req8.highwatermark.tmp_highest_usn  = 0
-        req8.highwatermark.reserved_usn            = 0
-        req8.highwatermark.highest_usn     = 0
-        req8.uptodateness_vector           = None
-        if exop == drsuapi.DRSUAPI_EXOP_REPL_SECRET:
-            req8.replica_flags             = 0
+            if not isinstance(rec[a], list):
+                v = [rec[a]]
+            else:
+                v = rec[a]
+            rattr = ctx.tmp_samdb.dsdb_DsReplicaAttribute(ctx.tmp_samdb, a, v)
+            attrs.append(rattr)
+
+        attribute_ctr = drsuapi.DsReplicaAttributeCtr()
+        attribute_ctr.num_attributes = len(attrs)
+        attribute_ctr.attributes = attrs
+
+        object = drsuapi.DsReplicaObject()
+        object.identifier = id
+        object.attribute_ctr = attribute_ctr
+
+        first_object = drsuapi.DsReplicaObjectListItem()
+        first_object.object = object
+
+        req2 = drsuapi.DsAddEntryRequest2()
+        req2.first_object = first_object
+
+        (level, ctr) = ctx.drsuapi.DsAddEntry(ctx.drsuapi_handle, 2, req2)
+        if ctr.err_ver != 1:
+            raise RuntimeError("expected err_ver 1, got %u" % ctr.err_ver)
+        if ctr.err_data.status != (0, 'WERR_OK'):
+            print("DsAddEntry failed with status %s info %s" % (ctr.err_data.status,
+                                                                ctr.err_data.info.extended_err))
+            raise RuntimeError("DsAddEntry failed")
+
+    def join_add_objects(ctx):
+        '''add the various objects needed for the join'''
+        print "Adding %s" % ctx.acct_dn
+        rec = {
+            "dn" : ctx.acct_dn,
+            "objectClass": "computer",
+            "displayname": ctx.samname,
+            "samaccountname" : ctx.samname,
+            "userAccountControl" : str(ctx.userAccountControl | samba.dsdb.UF_ACCOUNTDISABLE),
+            "dnshostname" : ctx.dnshostname}
+        if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2008:
+            rec['msDS-SupportedEncryptionTypes'] = str(samba.dsdb.ENC_ALL_TYPES)
+        if ctx.managedby:
+            rec["managedby"] = ctx.managedby
+        if ctx.never_reveal_sid:
+            rec["msDS-NeverRevealGroup"] = ctx.never_reveal_sid
+        if ctx.reveal_sid:
+            rec["msDS-RevealOnDemandGroup"] = ctx.reveal_sid
+        ctx.samdb.add(rec)
+
+        if ctx.krbtgt_dn:
+            ctx.add_krbtgt_account()
+
+        print "Adding %s" % ctx.server_dn
+        rec = {
+            "dn": ctx.server_dn,
+            "objectclass" : "server",
+            "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_CONFIG_ALLOW_RENAME |
+                                samba.dsdb.SYSTEM_FLAG_CONFIG_ALLOW_LIMITED_MOVE |
+                                samba.dsdb.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE),
+            "serverReference" : ctx.acct_dn,
+            "dnsHostName" : ctx.dnshostname}
+        ctx.samdb.add(rec)
+
+        # FIXME: the partition (NC) assignment has to be made dynamic
+        print "Adding %s" % ctx.ntds_dn
+        rec = {
+            "dn" : ctx.ntds_dn,
+            "objectclass" : "nTDSDSA",
+            "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE),
+            "dMDLocation" : ctx.schema_dn}
+
+        if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
+            rec["msDS-Behavior-Version"] = str(ctx.behavior_version)
+
+        if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
+            rec["msDS-HasDomainNCs"] = ctx.base_dn
+
+        if ctx.RODC:
+            rec["objectCategory"] = "CN=NTDS-DSA-RO,%s" % ctx.schema_dn
+            rec["msDS-HasFullReplicaNCs"] = [ ctx.base_dn, ctx.config_dn, ctx.schema_dn ]
+            rec["options"] = "37"
+            ctx.samdb.add(rec, ["rodc_join:1:1"])
+        else:
+            rec["objectCategory"] = "CN=NTDS-DSA,%s" % ctx.schema_dn
+            rec["HasMasterNCs"]      = [ ctx.base_dn, ctx.config_dn, ctx.schema_dn ]
+            if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
+                rec["msDS-HasMasterNCs"] = [ ctx.base_dn, ctx.config_dn, ctx.schema_dn ]
+            rec["options"] = "1"
+            rec["invocationId"] = ndr_pack(misc.GUID(str(uuid.uuid4())))
+            ctx.DsAddEntry(rec)
+
+        # find the GUID of our NTDS DN
+        res = ctx.samdb.search(base=ctx.ntds_dn, scope=ldb.SCOPE_BASE, attrs=["objectGUID"])
+        ctx.ntds_guid = misc.GUID(ctx.samdb.schema_format_value("objectGUID", res[0]["objectGUID"][0]))
+
+        if ctx.connection_dn is not None:
+            print "Adding %s" % ctx.connection_dn
+            rec = {
+                "dn" : ctx.connection_dn,
+                "objectclass" : "nTDSConnection",
+                "enabledconnection" : "TRUE",
+                "options" : "65",
+                "fromServer" : ctx.dc_ntds_dn}
+            ctx.samdb.add(rec)
+
+        if ctx.topology_dn:
+            print "Adding %s" % ctx.topology_dn
+            rec = {
+                "dn" : ctx.topology_dn,
+                "objectclass" : "msDFSR-Member",
+                "msDFSR-ComputerReference" : ctx.acct_dn,
+                "serverReference" : ctx.ntds_dn}
+            ctx.samdb.add(rec)
+
+        print "Adding SPNs to %s" % ctx.acct_dn
+        m = ldb.Message()
+        m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
+        for i in range(len(ctx.SPNs)):
+            ctx.SPNs[i] = ctx.SPNs[i].replace("$NTDSGUID", str(ctx.ntds_guid))
+        m["servicePrincipalName"] = ldb.MessageElement(ctx.SPNs,
+                                                       ldb.FLAG_MOD_ADD,
+                                                       "servicePrincipalName")
+        ctx.samdb.modify(m)
+
+        print "Setting account password for %s" % ctx.samname
+        ctx.samdb.setpassword("(&(objectClass=user)(sAMAccountName=%s))" % ctx.samname,
+                              ctx.acct_pass,
+                              force_change_at_next_login=False,
+                              username=ctx.samname)
+        res = ctx.samdb.search(base=ctx.acct_dn, scope=ldb.SCOPE_BASE, attrs=["msDS-keyVersionNumber"])
+        ctx.key_version_number = int(res[0]["msDS-keyVersionNumber"][0])
+
+        print("Enabling account")
+        m = ldb.Message()
+        m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
+        m["userAccountControl"] = ldb.MessageElement(str(ctx.userAccountControl),
+                                                     ldb.FLAG_MOD_REPLACE,
+                                                     "userAccountControl")
+        ctx.samdb.modify(m)
+
+    def join_provision(ctx):
+        '''provision the local SAM'''
+
+        print "Calling bare provision"
+
+        logger = logging.getLogger("provision")
+        logger.addHandler(logging.StreamHandler(sys.stdout))
+        smbconf = ctx.lp.configfile
+
+        presult = provision(ctx.setup_dir, logger, system_session(), None,
+                            smbconf=smbconf, targetdir=ctx.targetdir, samdb_fill=FILL_DRS,
+                            realm=ctx.realm, rootdn=ctx.root_dn, domaindn=ctx.base_dn,
+                            schemadn=ctx.schema_dn,
+                            configdn=ctx.config_dn,
+                            serverdn=ctx.server_dn, domain=ctx.domain_name,
+                            hostname=ctx.myname, domainsid=ctx.domsid,
+                            machinepass=ctx.acct_pass, serverrole="domain controller",
+                            sitename=ctx.site, lp=ctx.lp)
+        print "Provision OK for domain DN %s" % presult.domaindn
+        ctx.local_samdb = presult.samdb
+        ctx.lp          = presult.lp
+        ctx.paths       = presult.paths
+
+
+    def join_replicate(ctx):
+        '''replicate the SAM'''
+
+        print "Starting replication"
+        ctx.local_samdb.transaction_start()
+
+        source_dsa_invocation_id = misc.GUID(ctx.samdb.get_invocation_id())
+        destination_dsa_guid = ctx.ntds_guid
+
+        if ctx.RODC:
+            repl_creds = Credentials()
+            repl_creds.guess(ctx.lp)
+            repl_creds.set_kerberos_state(DONT_USE_KERBEROS)
+            repl_creds.set_username(ctx.samname)
+            repl_creds.set_password(ctx.acct_pass)
         else:
-            req8.replica_flags             =  (drsuapi.DRSUAPI_DRS_INIT_SYNC |
-                                                drsuapi.DRSUAPI_DRS_PER_SYNC |
-                                                drsuapi.DRSUAPI_DRS_GET_ANC |
-                                                drsuapi.DRSUAPI_DRS_NEVER_SYNCED |
-                                                drsuapi.DRSUAPI_DRS_SPECIAL_SECRET_PROCESSING)
-        req8.max_object_count               = 402
-        req8.max_ndr_size                   = 402116
-        req8.extended_op                    = exop
-        req8.fsmo_info                      = 0
-        req8.partial_attribute_set          = None
-        req8.partial_attribute_set_ex       = None
-        req8.mapping_ctr.num_mappings       = 0
-        req8.mapping_ctr.mappings           = None
-
-        while True:
-            if not schema:
-                req8.partial_attribute_set = get_rodc_partial_attribute_set(ctx)
-            (level, ctr) = ctx.drs.DsGetNCChanges(ctx.drs_handle, 8, req8)
-            net.replicate_chunk(ctx.replication_state, level, ctr, schema=schema)
-            if ctr.more_data == 0:
-                break
-            req8.highwatermark.tmp_highest_usn = ctr.new_highwatermark.tmp_highest_usn
-
-
-    # main join code
-    ctx = join_ctx()
-    ctx.creds = creds
-    ctx.lp = lp
-    ctx.site = site
-    ctx.netbios_name = netbios_name
-    ctx.targetdir = targetdir
-    ctx.server = server
-
-    ctx.creds.set_gensec_features(creds.get_gensec_features() | gensec.FEATURE_SEAL)
-
-    ctx.samdb = SamDB(url="ldap://%s" % ctx.server,
-                      session_info=system_session(),
-                      credentials=ctx.creds, lp=ctx.lp)
-
-    ctx.myname = netbios_name
-    ctx.samname = "%s$" % ctx.myname
-    ctx.base_dn = str(ctx.samdb.get_default_basedn())
-    ctx.root_dn = str(ctx.samdb.get_root_basedn())
-    ctx.schema_dn = str(ctx.samdb.get_schema_basedn())
-    ctx.config_dn = str(ctx.samdb.get_config_basedn())
-    ctx.domsid = ctx.samdb.get_domain_sid()
-
-    ctx.dc_ntds_dn = get_dsServiceName(ctx.samdb)
-    ctx.dc_dnsHostName = get_dnsHostName(ctx.samdb)
-    ctx.acct_pass = samba.generate_random_password(12, 32)
-    ctx.mysid = get_mysid(ctx.samdb)
-
-    # work out the DNs of all the objects we will be adding
-    ctx.admin_dn = "<SID=%s>" % ctx.mysid
+            repl_creds = ctx.creds
+
+        binding_options = "seal"
+        if ctx.lp.get("debug level") >= 5:
+            binding_options += ",print"
+        repl = drs_utils.drs_Replicate("ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options),
+                                       ctx.lp, repl_creds, ctx.local_samdb)
+
+        repl.replicate(ctx.schema_dn, source_dsa_invocation_id, destination_dsa_guid,
+                       schema=True, rodc=ctx.RODC,
+                       replica_flags=ctx.replica_flags)
+        repl.replicate(ctx.config_dn, source_dsa_invocation_id, destination_dsa_guid,
+                       rodc=ctx.RODC, replica_flags=ctx.replica_flags)
+        repl.replicate(ctx.base_dn, source_dsa_invocation_id, destination_dsa_guid,
+                       rodc=ctx.RODC, replica_flags=ctx.replica_flags)
+        if ctx.RODC:
+            repl.replicate(ctx.acct_dn, source_dsa_invocation_id, destination_dsa_guid,
+                           exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET, rodc=True)
+            repl.replicate(ctx.new_krbtgt_dn, source_dsa_invocation_id, destination_dsa_guid,
+                           exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET, rodc=True)
+
+        print "Committing SAM database"
+        ctx.local_samdb.transaction_commit()
+
+
+    def join_finalise(ctx):
+        '''finalise the join, mark us synchronised and setup secrets db'''
+
+        print "Setting isSynchronized"
+        m = ldb.Message()
+        m.dn = ldb.Dn(ctx.samdb, '@ROOTDSE')
+        m["isSynchronized"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_REPLACE, "isSynchronized")
+        ctx.samdb.modify(m)
+
+        secrets_ldb = Ldb(ctx.paths.secrets, session_info=system_session(), lp=ctx.lp)
+
+        print "Setting up secrets database"
+        secretsdb_self_join(secrets_ldb, domain=ctx.domain_name,
+                            realm=ctx.realm,
+                            dnsdomain=ctx.dnsdomain,
+                            netbiosname=ctx.myname,
+                            domainsid=security.dom_sid(ctx.domsid),
+                            machinepass=ctx.acct_pass,
+                            secure_channel_type=ctx.secure_channel_type,
+                            key_version_number=ctx.key_version_number)
+
+    def do_join(ctx):
+        ctx.cleanup_old_join()
+        try:
+            ctx.join_add_objects()
+            ctx.join_provision()
+            ctx.join_replicate()
+            ctx.join_finalise()
+        except Exception:
+            print "Join failed - cleaning up"
+            ctx.cleanup_old_join()
+            raise
+
+
+def join_RODC(server=None, creds=None, lp=None, site=None, netbios_name=None,
+              targetdir=None, domain=None):
+    """join as a RODC"""
+
+    ctx = dc_join(server, creds, lp, site, netbios_name, targetdir, domain)
+
     ctx.krbtgt_dn = "CN=krbtgt_%s,CN=Users,%s" % (ctx.myname, ctx.base_dn)
-    ctx.server_dn = "CN=%s,CN=Servers,CN=%s,CN=Sites,%s" % (ctx.myname, ctx.site, ctx.config_dn)
-    ctx.ntds_dn = "CN=NTDS Settings,%s" % ctx.server_dn
+
+    # setup some defaults for accounts that should be replicated to this RODC
+    ctx.never_reveal_sid = [ "<SID=%s-%s>" % (ctx.domsid, security.DOMAIN_RID_RODC_DENY),
+                             "<SID=%s>" % security.SID_BUILTIN_ADMINISTRATORS,
+                             "<SID=%s>" % security.SID_BUILTIN_SERVER_OPERATORS,
+                             "<SID=%s>" % security.SID_BUILTIN_BACKUP_OPERATORS,
+                             "<SID=%s>" % security.SID_BUILTIN_ACCOUNT_OPERATORS ]
+    ctx.reveal_sid = "<SID=%s-%s>" % (ctx.domsid, security.DOMAIN_RID_RODC_ALLOW)
+
+    mysid = ctx.get_mysid()
+    admin_dn = "<SID=%s>" % mysid
+    ctx.managedby = admin_dn
+
+    ctx.userAccountControl = (samba.dsdb.UF_WORKSTATION_TRUST_ACCOUNT |
+                              samba.dsdb.UF_TRUSTED_TO_AUTHENTICATE_FOR_DELEGATION |
+                              samba.dsdb.UF_PARTIAL_SECRETS_ACCOUNT)
+
+    ctx.SPNs.extend([ "RestrictedKrbHost/%s" % ctx.myname,
+                      "RestrictedKrbHost/%s" % ctx.dnshostname ])
+
     ctx.connection_dn = "CN=RODC Connection (FRS),%s" % ctx.ntds_dn
-    ctx.topology_dn = "CN=%s,CN=Topology,CN=Domain System Volume,CN=DFSR-GlobalSettings,CN=System,%s" % (ctx.myname, ctx.base_dn)
-
-    # we should lookup these SIDs, and have far more never reveal SIDs
-    ctx.never_reveal_sid = "%s-572" % ctx.domsid;
-    ctx.reveal_sid = "%s-571" % ctx.domsid;
-
-    ctx.dnsdomain = ldb.Dn(ctx.samdb, ctx.base_dn).canonical_str().split('/')[0]
-    ctx.realm = ctx.dnsdomain
-    ctx.dnshostname = "%s.%s" % (ctx.myname, ctx.dnsdomain)
-
-    ctx.acct_dn = "CN=%s,OU=Domain Controllers,%s" % (ctx.myname, ctx.base_dn)
-
-    cleanup_old_join(ctx)
-
-    print "Adding %s" % ctx.acct_dn
-    rec = {
-        "dn" : ctx.acct_dn,
-        "objectClass": "computer",
-        "displayname": ctx.samname,
-        "samaccountname" : ctx.samname,
-        "useraccountcontrol" : "83890176",
-        "managedby" : ctx.admin_dn,
-        "dnshostname" : ctx.dnshostname,
-        "msDS-NeverRevealGroup" : "<SID=%s>" % ctx.never_reveal_sid,
-        "msDS-RevealOnDemandGroup" : "<SID=%s>" % ctx.reveal_sid}
-    ctx.samdb.add(rec)
-
-    print "Adding %s" % ctx.krbtgt_dn
-    rec = {
-        "dn" : ctx.krbtgt_dn,
-        "objectclass" : "user",
-        "useraccountcontrol" : "514",
-        "showinadvancedviewonly" : "TRUE",
-        "description" : "tricky account"}
-    ctx.samdb.add(rec, ["rodc_join:1:1"])
-
-    # now we need to search for the samAccountName attribute on the krbtgt DN,
-    # as this will have been magically set to the krbtgt number
-    res = ctx.samdb.search(base=ctx.krbtgt_dn, scope=ldb.SCOPE_BASE, attrs=["samAccountName"])
-    ctx.krbtgt_name = res[0]["samAccountName"][0]
-
-    print "Got krbtgt_name=%s" % ctx.krbtgt_name
-
-    m = ldb.Message()
-    m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
-    m["msDS-krbTgtLink"] = ldb.MessageElement(ctx.krbtgt_dn,
-                                              ldb.FLAG_MOD_REPLACE, "msDS-krbTgtLink")
-    ctx.samdb.modify(m)
-
-    ctx.new_krbtgt_dn = "CN=%s,CN=Users,%s" % (ctx.krbtgt_name, ctx.base_dn)
-    print "Renaming %s to %s" % (ctx.krbtgt_dn, ctx.new_krbtgt_dn)
-    ctx.samdb.rename(ctx.krbtgt_dn, ctx.new_krbtgt_dn)
-
-    print "Adding %s" % ctx.server_dn
-    rec = {
-        "dn": ctx.server_dn,
-        "objectclass" : "server",
-        "systemFlags" : "1375731712",
-        "serverReference" : ctx.acct_dn,
-        "dnsHostName" : ctx.dnshostname}
-    ctx.samdb.add(rec)
-
-    print "Adding %s" % ctx.ntds_dn
-    rec = {
-        "dn" : ctx.ntds_dn,
-        "objectclass" : "nTDSDSA",
-        "objectCategory" : "CN=NTDS-DSA-RO,%s" % ctx.schema_dn,
-        "systemFlags" : "33554432",
-        "dMDLocation" : ctx.schema_dn,
-        "options" : "37",
-        "msDS-Behavior-Version" : "4",
-        "msDS-HasDomainNCs" : ctx.base_dn,
-        "msDS-HasFullReplicaNCs" : [ ctx.base_dn, ctx.config_dn, ctx.schema_dn ]}
-    ctx.samdb.add(rec, ["rodc_join:1:1"])
-
-    # find the GUID of our NTDS DN
-    res = ctx.samdb.search(base=ctx.ntds_dn, scope=ldb.SCOPE_BASE, attrs=["objectGUID"])
-    ctx.ntds_guid = misc.GUID(ctx.samdb.schema_format_value("objectGUID", res[0]["objectGUID"][0]))
-
-    print "Adding %s" % ctx.connection_dn
-    rec = {
-        "dn" : ctx.connection_dn,
-        "objectclass" : "nTDSConnection",
-        "enabledconnection" : "TRUE",
-        "options" : "65",
-        "fromServer" : ctx.dc_ntds_dn}
-    ctx.samdb.add(rec)
-
-    print "Adding %s" % ctx.topology_dn
-    rec = {
-        "dn" : ctx.topology_dn,
-        "objectclass" : "msDFSR-Member",
-        "msDFSR-ComputerReference" : ctx.acct_dn,
-        "serverReference" : ctx.ntds_dn}
-    ctx.samdb.add(rec)
-
-    print "Adding HOST SPNs to %s" % ctx.acct_dn
-    m = ldb.Message()
-    m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
-    SPNs = [ "HOST/%s" % ctx.myname,
-             "HOST/%s" % ctx.dnshostname ]
-    m["servicePrincipalName"] = ldb.MessageElement(SPNs,
-                                                   ldb.FLAG_MOD_ADD,
-                                                   "servicePrincipalName")
-    ctx.samdb.modify(m)
-
-    print "Adding RestrictedKrbHost SPNs to %s" % ctx.acct_dn
-    m = ldb.Message()
-    m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
-    SPNs = [ "RestrictedKrbHost/%s" % ctx.myname,
-             "RestrictedKrbHost/%s" % ctx.dnshostname ]
-    m["servicePrincipalName"] = ldb.MessageElement(SPNs,
-                                                   ldb.FLAG_MOD_ADD,
-                                                   "servicePrincipalName")
-    ctx.samdb.modify(m)
-
-    print "Setting account password for %s" % ctx.samname
-    ctx.samdb.setpassword("(&(objectClass=user)(sAMAccountName=%s))" % ctx.samname,
-                      ctx.acct_pass,
-                      force_change_at_next_login=False,
-                      username=ctx.samname)
-
-    print "Enabling account %s" % ctx.acct_dn
-    # weird, its already enabled, but w2k8r2 disables then re-enables again
-    m = ldb.Message()
-    m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
-    m["userAccountControl"] = ldb.MessageElement("83890178",
-                                                 ldb.FLAG_MOD_REPLACE,
-                                                 "userAccountControl")
-    ctx.samdb.modify(m)
-
-    m["userAccountControl"] = ldb.MessageElement("83890176",
-                                                 ldb.FLAG_MOD_REPLACE,
-                                                 "userAccountControl")
-    ctx.samdb.modify(m)
-
-    print "Doing DsBind as %s" % ctx.samname
-
-    ctx.acct_creds = Credentials()
-    ctx.acct_creds.guess(ctx.lp)
-    ctx.acct_creds.set_kerberos_state(DONT_USE_KERBEROS)
-    ctx.acct_creds.set_username(ctx.samname)
-    ctx.acct_creds.set_password(ctx.acct_pass)
-
-    ctx.drs = drsuapi.drsuapi("ncacn_ip_tcp:%s[seal,print]" % ctx.server, ctx.lp, ctx.acct_creds)
-    ctx.drs_handle = do_DsBind(ctx.drs)
-    print "DRS Handle: %s" % ctx.drs_handle
-
-    print "Calling DsRGetDCNameEx2"
-    netr = netlogon.netlogon("ncacn_np:%s[print]" % ctx.server, ctx.lp, ctx.acct_creds)
-    dcname = netr.netr_DsRGetDCNameEx2(server_unc=ctx.dc_dnsHostName.decode("utf-8"),
-                                       client_account=None,
-                                       mask=0,
-                                       domain_name=ctx.dnsdomain.decode("utf-8"),
-                                       domain_guid=None, site_name=None,
-                                       flags=0x40001020)
-
-    print ndr_print(dcname)
-    print "Calling bare provision"
-
-    setup_dir = find_setup_dir()
-    logger = logging.getLogger("provision")
-    logger.addHandler(logging.StreamHandler(sys.stdout))
-    smbconf = lp.configfile
-
-    presult = provision(setup_dir, logger, system_session(), None,
-                        smbconf=smbconf, targetdir=targetdir, samdb_fill=FILL_DRS,
-                        realm=ctx.realm, rootdn=ctx.root_dn, domaindn=ctx.base_dn,
-                        schemadn=ctx.schema_dn,
-                        configdn=ctx.config_dn,
-                        serverdn=ctx.server_dn, domain=get_domain_name(ctx.samdb),
-                        hostname=ctx.myname, hostip="127.0.0.1", domainsid=ctx.domsid,
-                        machinepass=ctx.acct_pass, serverrole="domain controller",
-                        sitename=ctx.site)
-    print "Provision OK for domain DN %s" % presult.domaindn
-    ctx.local_samdb = presult.samdb
-    ctx.lp          = presult.lp
-
-
-    print "Starting replication"
-    ctx.local_samdb.transaction_start()
-
-    net = Net(creds=ctx.creds, lp=ctx.lp)
-    ctx.replication_state = net.replicate_init(ctx.local_samdb, ctx.lp, ctx.drs)
-
-    replicate_partition(ctx, ctx.schema_dn, schema=True)
-    replicate_partition(ctx, ctx.config_dn)
-    replicate_partition(ctx, ctx.base_dn)
-    ctx.local_samdb.transaction_commit()
-
-    ctx.local_samdb.transaction_start()
-    replicate_partition(ctx, ctx.acct_dn, exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET)
-    replicate_partition(ctx, ctx.new_krbtgt_dn, exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET)
-
-    print "Committing SAM database"
-    ctx.local_samdb.transaction_commit()
+    ctx.secure_channel_type = misc.SEC_CHAN_RODC
+    ctx.RODC = True
+    ctx.replica_flags  =  (drsuapi.DRSUAPI_DRS_INIT_SYNC |
+                           drsuapi.DRSUAPI_DRS_PER_SYNC |
+                           drsuapi.DRSUAPI_DRS_GET_ANC |
+                           drsuapi.DRSUAPI_DRS_NEVER_SYNCED |
+                           drsuapi.DRSUAPI_DRS_SPECIAL_SECRET_PROCESSING |
+                           drsuapi.DRSUAPI_DRS_GET_ALL_GROUP_MEMBERSHIP)
+    ctx.do_join()
+
+
+    print "Joined domain %s (SID %s) as an RODC" % (ctx.domain_name, ctx.domsid)
+
+
+def join_DC(server=None, creds=None, lp=None, site=None, netbios_name=None,
+            targetdir=None, domain=None):
+    """join as a DC"""
+    ctx = dc_join(server, creds, lp, site, netbios_name, targetdir, domain)
+
+    ctx.userAccountControl = samba.dsdb.UF_SERVER_TRUST_ACCOUNT | samba.dsdb.UF_TRUSTED_FOR_DELEGATION
+
+    ctx.SPNs.append('E3514235-4B06-11D1-AB04-00C04FC2DCD2/$NTDSGUID/%s' % ctx.dnsdomain)
+    ctx.secure_channel_type = misc.SEC_CHAN_BDC
+
+    ctx.replica_flags = (drsuapi.DRSUAPI_DRS_WRIT_REP |
+                         drsuapi.DRSUAPI_DRS_INIT_SYNC |
+                         drsuapi.DRSUAPI_DRS_PER_SYNC |
+                         drsuapi.DRSUAPI_DRS_FULL_SYNC_IN_PROGRESS |
+                         drsuapi.DRSUAPI_DRS_NEVER_SYNCED)
+
+    ctx.do_join()
+    print "Joined domain %s (SID %s) as a DC" % (ctx.domain_name, ctx.domsid)