# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
+from __future__ import print_function
"""Joining a domain."""
from samba.auth import system_session
from samba.samdb import SamDB
-from samba import gensec, Ldb, drs_utils
+from samba import gensec, Ldb, drs_utils, arcfour_encrypt, string_to_byte_array
import ldb, samba, sys, uuid
-from samba.ndr import ndr_pack
-from samba.dcerpc import security, drsuapi, misc, nbt, lsa, drsblobs
+from samba.ndr import ndr_pack, ndr_unpack
+from samba.dcerpc import security, drsuapi, misc, nbt, lsa, drsblobs, dnsserver, dnsp
from samba.dsdb import DS_DOMAIN_FUNCTION_2003
from samba.credentials import Credentials, DONT_USE_KERBEROS
from samba.provision import secretsdb_self_join, provision, provision_fill, FILL_DRS, FILL_SUBDOMAIN
from samba.provision.common import setup_path
from samba.schema import Schema
+from samba import descriptor
from samba.net import Net
from samba.provision.sambadns import setup_bind9_dns
from samba import read_and_sub_file
+from samba import werror
from base64 import b64encode
+from samba import WERRORError, NTSTATUSError
+from samba.dnsserver import ARecord, AAAARecord, PTRRecord, CNameRecord, NSRecord, MXRecord, SOARecord, SRVRecord, TXTRecord
+from samba import sd_utils
import logging
import talloc
import random
import time
-
-# this makes debugging easier
-talloc.enable_null_tracking()
+import re
+import os
+import tempfile
class DCJoinException(Exception):
super(DCJoinException, self).__init__("Can't join, error: %s" % msg)
-class dc_join(object):
+class DCJoinContext(object):
"""Perform a DC join."""
def __init__(ctx, logger=None, server=None, creds=None, lp=None, site=None,
netbios_name=None, targetdir=None, domain=None,
machinepass=None, use_ntvfs=False, dns_backend=None,
- promote_existing=False):
+ promote_existing=False, plaintext_secrets=False,
+ backend_store=None, forced_local_samdb=None):
+ if site is None:
+ site = "Default-First-Site-Name"
+
ctx.logger = logger
ctx.creds = creds
ctx.lp = lp
ctx.site = site
- ctx.netbios_name = netbios_name
ctx.targetdir = targetdir
ctx.use_ntvfs = use_ntvfs
+ ctx.plaintext_secrets = plaintext_secrets
+ ctx.backend_store = backend_store
ctx.promote_existing = promote_existing
ctx.promote_from_dn = None
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:
- ctx.logger.info("Finding a writeable DC for domain '%s'" % domain)
- ctx.server = ctx.find_dc(domain)
- ctx.logger.info("Found DC %s" % ctx.server)
+ ctx.server = server
+ ctx.forced_local_samdb = forced_local_samdb
- ctx.samdb = SamDB(url="ldap://%s" % ctx.server,
- session_info=system_session(),
- credentials=ctx.creds, lp=ctx.lp)
+ if forced_local_samdb:
+ ctx.samdb = forced_local_samdb
+ ctx.server = ctx.samdb.url
+ else:
+ if not ctx.server:
+ ctx.logger.info("Finding a writeable DC for domain '%s'" % domain)
+ ctx.server = ctx.find_dc(domain)
+ ctx.logger.info("Found DC %s" % ctx.server)
+ ctx.samdb = SamDB(url="ldap://%s" % ctx.server,
+ session_info=system_session(),
+ credentials=ctx.creds, lp=ctx.lp)
try:
ctx.samdb.search(scope=ldb.SCOPE_ONELEVEL, attrs=["dn"])
- except ldb.LdbError, (enum, estr):
+ except ldb.LdbError as e4:
+ (enum, estr) = e4.args
raise DCJoinException(estr)
- ctx.myname = netbios_name
- ctx.samname = "%s$" % ctx.myname
ctx.base_dn = str(ctx.samdb.get_default_basedn())
ctx.root_dn = str(ctx.samdb.get_root_basedn())
ctx.schema_dn = str(ctx.samdb.get_schema_basedn())
ctx.config_dn = str(ctx.samdb.get_config_basedn())
- ctx.domsid = ctx.samdb.get_domain_sid()
+ ctx.domsid = security.dom_sid(ctx.samdb.get_domain_sid())
ctx.forestsid = ctx.domsid
ctx.domain_name = ctx.get_domain_name()
ctx.forest_domain_name = ctx.get_forest_domain_name()
if machinepass is not None:
ctx.acct_pass = machinepass
else:
- ctx.acct_pass = samba.generate_random_password(32, 40)
-
- # work out the DNs of all the objects we will be adding
- ctx.server_dn = "CN=%s,CN=Servers,CN=%s,CN=Sites,%s" % (ctx.myname, ctx.site, ctx.config_dn)
- ctx.ntds_dn = "CN=NTDS Settings,%s" % ctx.server_dn
- topology_base = "CN=Topology,CN=Domain System Volume,CN=DFSR-GlobalSettings,CN=System,%s" % ctx.base_dn
- if ctx.dn_exists(topology_base):
- ctx.topology_dn = "CN=%s,%s" % (ctx.myname, topology_base)
- else:
- ctx.topology_dn = None
+ ctx.acct_pass = samba.generate_random_machine_password(128, 255)
ctx.dnsdomain = ctx.samdb.domain_dns_name()
- ctx.dnsforest = ctx.samdb.forest_dns_name()
+
+ # the following are all dependent on the new DC's netbios_name (which
+ # we expect to always be specified, except when cloning a DC)
+ if netbios_name:
+ # work out the DNs of all the objects we will be adding
+ ctx.myname = netbios_name
+ ctx.samname = "%s$" % ctx.myname
+ 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
+ ctx.acct_dn = "CN=%s,OU=Domain Controllers,%s" % (ctx.myname, ctx.base_dn)
+ ctx.dnshostname = "%s.%s" % (ctx.myname.lower(), ctx.dnsdomain)
+ ctx.dnsforest = ctx.samdb.forest_dns_name()
+
+ 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.SPNs = [ "HOST/%s" % ctx.myname,
+ "HOST/%s" % ctx.dnshostname,
+ "GC/%s/%s" % (ctx.dnshostname, ctx.dnsforest) ]
+
+ res_rid_manager = ctx.samdb.search(scope=ldb.SCOPE_BASE,
+ attrs=["rIDManagerReference"],
+ base=ctx.base_dn)
+
+ ctx.rid_manager_dn = res_rid_manager[0]["rIDManagerReference"][0]
+
ctx.domaindns_zone = 'DC=DomainDnsZones,%s' % ctx.base_dn
ctx.forestdns_zone = 'DC=ForestDnsZones,%s' % ctx.root_dn
+ expr = "(&(objectClass=crossRef)(ncName=%s))" % ldb.binary_encode(ctx.domaindns_zone)
res_domaindns = ctx.samdb.search(scope=ldb.SCOPE_ONELEVEL,
attrs=[],
base=ctx.samdb.get_partitions_dn(),
- expression="(&(objectClass=crossRef)(ncName=%s))" % ctx.domaindns_zone)
+ expression=expr)
if dns_backend is None:
ctx.dns_backend = "NONE"
else:
if len(res_domaindns) == 0:
ctx.dns_backend = "NONE"
- print "NO DNS zone information found in source domain, not replicating DNS"
+ print("NO DNS zone information found in source domain, not replicating DNS")
else:
ctx.dns_backend = dns_backend
- ctx.dnshostname = "%s.%s" % (ctx.myname.lower(), ctx.dnsdomain)
-
ctx.realm = ctx.dnsdomain
- ctx.acct_dn = "CN=%s,OU=Domain Controllers,%s" % (ctx.myname, ctx.base_dn)
-
ctx.tmp_samdb = None
- ctx.SPNs = [ "HOST/%s" % ctx.myname,
- "HOST/%s" % ctx.dnshostname,
- "GC/%s/%s" % (ctx.dnshostname, ctx.dnsforest) ]
+ ctx.replica_flags = (drsuapi.DRSUAPI_DRS_INIT_SYNC |
+ drsuapi.DRSUAPI_DRS_PER_SYNC |
+ drsuapi.DRSUAPI_DRS_GET_ANC |
+ drsuapi.DRSUAPI_DRS_GET_NC_SIZE |
+ drsuapi.DRSUAPI_DRS_NEVER_SYNCED)
# these elements are optional
ctx.never_reveal_sid = None
ctx.managedby = None
ctx.subdomain = False
ctx.adminpass = None
+ ctx.partition_dn = None
+
+ ctx.dns_a_dn = None
+ ctx.dns_cname_dn = None
+
+ # Do not normally register 127. addresses but allow override for selftest
+ ctx.force_all_ips = False
def del_noerror(ctx, dn, recursive=False):
if recursive:
ctx.del_noerror(r.dn, recursive=True)
try:
ctx.samdb.delete(dn)
- print "Deleted %s" % dn
+ print("Deleted %s" % dn)
except Exception:
pass
- def cleanup_old_join(ctx):
- """Remove any DNs from a previous join."""
- try:
- # find the krbtgt link
- print("checking sAMAccountName")
- if ctx.subdomain:
- res = None
+ def cleanup_old_accounts(ctx, force=False):
+ res = ctx.samdb.search(base=ctx.samdb.get_default_basedn(),
+ expression='sAMAccountName=%s' % ldb.binary_encode(ctx.samname),
+ attrs=["msDS-krbTgtLink", "objectSID"])
+ if len(res) == 0:
+ return
+
+ if not force:
+ creds = Credentials()
+ creds.guess(ctx.lp)
+ try:
+ creds.set_machine_account(ctx.lp)
+ creds.set_kerberos_state(ctx.creds.get_kerberos_state())
+ machine_samdb = SamDB(url="ldap://%s" % ctx.server,
+ session_info=system_session(),
+ credentials=creds, lp=ctx.lp)
+ except:
+ pass
else:
- res = ctx.samdb.search(base=ctx.samdb.get_default_basedn(),
- expression='sAMAccountName=%s' % ldb.binary_encode(ctx.samname),
- attrs=["msDS-krbTgtLink"])
- if res:
- ctx.del_noerror(res[0].dn, recursive=True)
-
- res = ctx.samdb.search(base=ctx.samdb.get_default_basedn(),
- expression='(&(sAMAccountName=%s)(servicePrincipalName=%s))' % (ldb.binary_encode("dns-%s" % ctx.myname), ldb.binary_encode("dns/%s" % ctx.dnshostname)),
- attrs=[])
- if res:
- ctx.del_noerror(res[0].dn, recursive=True)
-
- res = ctx.samdb.search(base=ctx.samdb.get_default_basedn(),
- expression='(sAMAccountName=%s)' % ldb.binary_encode("dns-%s" % ctx.myname),
- attrs=[])
- if res:
- 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)))
-
- 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 ctx.partition_dn:
- ctx.del_noerror(ctx.partition_dn)
- if res:
- ctx.new_krbtgt_dn = res[0]["msDS-Krbtgtlink"][0]
- ctx.del_noerror(ctx.new_krbtgt_dn)
+ token_res = machine_samdb.search(scope=ldb.SCOPE_BASE, base="", attrs=["tokenGroups"])
+ if token_res[0]["tokenGroups"][0] \
+ == res[0]["objectSID"][0]:
+ raise DCJoinException("Not removing account %s which "
+ "looks like a Samba DC account "
+ "matching the password we already have. "
+ "To override, remove secrets.ldb and secrets.tdb"
+ % ctx.samname)
- if ctx.subdomain:
- binding_options = "sign"
- lsaconn = lsa.lsarpc("ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options),
- ctx.lp, ctx.creds)
+ ctx.del_noerror(res[0].dn, recursive=True)
- objectAttr = lsa.ObjectAttribute()
- objectAttr.sec_qos = lsa.QosInfo()
+ if "msDS-Krbtgtlink" in res[0]:
+ new_krbtgt_dn = res[0]["msDS-Krbtgtlink"][0]
+ ctx.del_noerror(ctx.new_krbtgt_dn)
- pol_handle = lsaconn.OpenPolicy2(''.decode('utf-8'),
- objectAttr, security.SEC_FLAG_MAXIMUM_ALLOWED)
+ res = ctx.samdb.search(base=ctx.samdb.get_default_basedn(),
+ expression='(&(sAMAccountName=%s)(servicePrincipalName=%s))' %
+ (ldb.binary_encode("dns-%s" % ctx.myname),
+ ldb.binary_encode("dns/%s" % ctx.dnshostname)),
+ attrs=[])
+ if res:
+ ctx.del_noerror(res[0].dn, recursive=True)
- name = lsa.String()
- name.string = ctx.realm
- info = lsaconn.QueryTrustedDomainInfoByName(pol_handle, name, lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO)
+ res = ctx.samdb.search(base=ctx.samdb.get_default_basedn(),
+ expression='(sAMAccountName=%s)' % ldb.binary_encode("dns-%s" % ctx.myname),
+ attrs=[])
+ if res:
+ raise DCJoinException("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)))
- lsaconn.DeleteTrustedDomain(pol_handle, info.info_ex.sid)
- name = lsa.String()
- name.string = ctx.forest_domain_name
- info = lsaconn.QueryTrustedDomainInfoByName(pol_handle, name, lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO)
+ def cleanup_old_join(ctx, force=False):
+ """Remove any DNs from a previous join."""
+ # find the krbtgt link
+ if not ctx.subdomain:
+ ctx.cleanup_old_accounts(force=force)
+
+ 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 ctx.partition_dn:
+ ctx.del_noerror(ctx.partition_dn)
+
+ if ctx.subdomain:
+ binding_options = "sign"
+ lsaconn = lsa.lsarpc("ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options),
+ ctx.lp, ctx.creds)
+
+ objectAttr = lsa.ObjectAttribute()
+ objectAttr.sec_qos = lsa.QosInfo()
+
+ pol_handle = lsaconn.OpenPolicy2(''.decode('utf-8'),
+ objectAttr, security.SEC_FLAG_MAXIMUM_ALLOWED)
+
+ name = lsa.String()
+ name.string = ctx.realm
+ info = lsaconn.QueryTrustedDomainInfoByName(pol_handle, name, lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO)
+
+ lsaconn.DeleteTrustedDomain(pol_handle, info.info_ex.sid)
+
+ name = lsa.String()
+ name.string = ctx.forest_domain_name
+ info = lsaconn.QueryTrustedDomainInfoByName(pol_handle, name, lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO)
+
+ lsaconn.DeleteTrustedDomain(pol_handle, info.info_ex.sid)
+
+ if ctx.dns_a_dn:
+ ctx.del_noerror(ctx.dns_a_dn)
+
+ if ctx.dns_cname_dn:
+ ctx.del_noerror(ctx.dns_cname_dn)
- lsaconn.DeleteTrustedDomain(pol_handle, info.info_ex.sid)
- except Exception:
- pass
def promote_possible(ctx):
"""confirm that the account is just a bare NT4 BDC or a member server, so can be safely promoted"""
"""find a writeable DC for the given domain"""
try:
ctx.cldap_ret = ctx.net.finddc(domain=domain, flags=nbt.NBT_SERVER_LDAP | nbt.NBT_SERVER_DS | nbt.NBT_SERVER_WRITABLE)
+ except NTSTATUSError as error:
+ raise Exception("Failed to find a writeable DC for domain '%s': %s" %
+ (domain, error[1]))
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 != "":
'''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())
+ expression='ncName=%s' % ldb.binary_encode(str(ctx.samdb.get_default_basedn())))
return res[0]["nETBIOSName"][0]
def get_forest_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_root_basedn())
+ expression='ncName=%s' % ldb.binary_encode(str(ctx.samdb.get_root_basedn())))
return res[0]["nETBIOSName"][0]
def get_parent_partition_dn(ctx):
'''get the parent domain partition DN from parent DNS name'''
res = ctx.samdb.search(base=ctx.config_dn, attrs=[],
expression='(&(objectclass=crossRef)(dnsRoot=%s)(systemFlags:%s:=%u))' %
- (ctx.parent_dnsdomain, ldb.OID_COMPARATOR_AND, samba.dsdb.SYSTEM_FLAG_CR_NTDS_DOMAIN))
+ (ldb.binary_encode(ctx.parent_dnsdomain),
+ ldb.OID_COMPARATOR_AND, samba.dsdb.SYSTEM_FLAG_CR_NTDS_DOMAIN))
return str(res[0].dn)
def get_naming_master(ctx):
if not 'fSMORoleOwner' in res[0]:
raise DCJoinException("Can't find naming master on partition DN %s in %s" % (ctx.partition_dn, ctx.samdb.url))
try:
- master_guid = str(misc.GUID(ldb.Dn(ctx.samdb, res[0]['fSMORoleOwner'][0]).get_extended_component('GUID')))
+ master_guid = str(misc.GUID(ldb.Dn(ctx.samdb, res[0]['fSMORoleOwner'][0].decode('utf8')).get_extended_component('GUID')))
except KeyError:
raise DCJoinException("Can't find GUID in naming master on partition DN %s" % res[0]['fSMORoleOwner'][0])
'''check if a DN exists'''
try:
res = ctx.samdb.search(base=dn, scope=ldb.SCOPE_BASE, attrs=[])
- except ldb.LdbError, (enum, estr):
+ except ldb.LdbError as e5:
+ (enum, estr) = e5.args
if enum == ldb.ERR_NO_SUCH_OBJECT:
return False
raise
def add_krbtgt_account(ctx):
'''RODCs need a special krbtgt account'''
- print "Adding %s" % ctx.krbtgt_dn
+ print("Adding %s" % ctx.krbtgt_dn)
rec = {
"dn" : ctx.krbtgt_dn,
"objectclass" : "user",
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
+ print("Got krbtgt_name=%s" % ctx.krbtgt_name)
m = ldb.Message()
m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
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)
+ 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 naming master'''
binding_options = "seal"
- if int(ctx.lp.get("log level")) >= 4:
+ if ctx.lp.log_level() >= 9:
binding_options += ",print"
binding_string = "ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options)
ctx.drsuapi = drsuapi.drsuapi(binding_string, ctx.lp, ctx.creds)
def create_tmp_samdb(ctx):
'''create a temporary samdb object for schema queries'''
- ctx.tmp_schema = Schema(security.dom_sid(ctx.domsid),
+ ctx.tmp_schema = Schema(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,
if ctr.dir_err != drsuapi.DRSUAPI_DIRERR_OK:
print("DsAddEntry failed with dir_err %u" % ctr.dir_err)
raise RuntimeError("DsAddEntry failed")
- if ctr.extended_err != (0, 'WERR_OK'):
+ if ctr.extended_err[0] != werror.WERR_SUCCESS:
print("DsAddEntry failed with status %s info %s" % (ctr.extended_err))
raise RuntimeError("DsAddEntry failed")
if level == 3:
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))
+ if ctr.err_data.status[0] != werror.WERR_SUCCESS:
+ if ctr.err_data.info is None:
+ print("DsAddEntry failed with status %s, info omitted" % (ctr.err_data.status[1]))
+ else:
+ print("DsAddEntry failed with status %s info %s" % (ctr.err_data.status[1],
+ ctr.err_data.info.extended_err))
raise RuntimeError("DsAddEntry failed")
if ctr.err_data.dir_err != drsuapi.DRSUAPI_DIRERR_OK:
print("DsAddEntry failed with dir_err %u" % ctr.err_data.dir_err)
def join_ntdsdsa_obj(ctx):
'''return the ntdsdsa object to add'''
- print "Adding %s" % ctx.ntds_dn
+ print("Adding %s" % ctx.ntds_dn)
rec = {
"dn" : ctx.ntds_dn,
"objectclass" : "nTDSDSA",
'''add the ntdsdsa object'''
rec = ctx.join_ntdsdsa_obj()
- if ctx.RODC:
+ if ctx.forced_local_samdb:
+ ctx.samdb.add(rec, controls=["relax:0"])
+ elif ctx.RODC:
ctx.samdb.add(rec, ["rodc_join:1:1"])
else:
ctx.DsAddEntry([rec])
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]))
- def join_add_objects(ctx):
+ def join_add_objects(ctx, specified_sid=None):
'''add the various objects needed for the join'''
if ctx.acct_dn:
- print "Adding %s" % ctx.acct_dn
+ print("Adding %s" % ctx.acct_dn)
rec = {
"dn" : ctx.acct_dn,
"objectClass": "computer",
elif ctx.promote_existing:
rec["msDS-RevealOnDemandGroup"] = []
+ if specified_sid:
+ rec["objectSid"] = ndr_pack(specified_sid)
+
if ctx.promote_existing:
if ctx.promote_from_dn != ctx.acct_dn:
ctx.samdb.rename(ctx.promote_from_dn, ctx.acct_dn)
ctx.samdb.modify(ldb.Message.from_dict(ctx.samdb, rec, ldb.FLAG_MOD_REPLACE))
else:
- ctx.samdb.add(rec)
+ controls = None
+ if specified_sid is not None:
+ controls = ["relax:0"]
+ ctx.samdb.add(rec, controls=controls)
if ctx.krbtgt_dn:
ctx.add_krbtgt_account()
- print "Adding %s" % ctx.server_dn
- rec = {
- "dn": ctx.server_dn,
- "objectclass" : "server",
- # windows uses 50000000 decimal for systemFlags. A windows hex/decimal mixup bug?
- "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),
- # windows seems to add the dnsHostName later
- "dnsHostName" : ctx.dnshostname}
-
- if ctx.acct_dn:
- rec["serverReference"] = ctx.acct_dn
+ if ctx.server_dn:
+ print("Adding %s" % ctx.server_dn)
+ rec = {
+ "dn": ctx.server_dn,
+ "objectclass" : "server",
+ # windows uses 50000000 decimal for systemFlags. A windows hex/decimal mixup bug?
+ "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),
+ # windows seems to add the dnsHostName later
+ "dnsHostName" : ctx.dnshostname}
+
+ if ctx.acct_dn:
+ rec["serverReference"] = ctx.acct_dn
- ctx.samdb.add(rec)
+ ctx.samdb.add(rec)
if ctx.subdomain:
# the rest is done after replication
ctx.ntds_guid = None
return
- ctx.join_add_ntdsdsa()
+ if ctx.ntds_dn:
+ ctx.join_add_ntdsdsa()
+
+ # Add the Replica-Locations or RO-Replica-Locations attributes
+ # TODO Is this supposed to be for the schema partition too?
+ expr = "(&(objectClass=crossRef)(ncName=%s))" % ldb.binary_encode(ctx.domaindns_zone)
+ domain = (ctx.samdb.search(scope=ldb.SCOPE_ONELEVEL,
+ attrs=[],
+ base=ctx.samdb.get_partitions_dn(),
+ expression=expr), ctx.domaindns_zone)
+
+ expr = "(&(objectClass=crossRef)(ncName=%s))" % ldb.binary_encode(ctx.forestdns_zone)
+ forest = (ctx.samdb.search(scope=ldb.SCOPE_ONELEVEL,
+ attrs=[],
+ base=ctx.samdb.get_partitions_dn(),
+ expression=expr), ctx.forestdns_zone)
+
+ for part, zone in (domain, forest):
+ if zone not in ctx.nc_list:
+ continue
+
+ if len(part) == 1:
+ m = ldb.Message()
+ m.dn = part[0].dn
+ attr = "msDS-NC-Replica-Locations"
+ if ctx.RODC:
+ attr = "msDS-NC-RO-Replica-Locations"
+
+ m[attr] = ldb.MessageElement(ctx.ntds_dn,
+ ldb.FLAG_MOD_ADD, attr)
+ ctx.samdb.modify(m)
if ctx.connection_dn is not None:
- print "Adding %s" % ctx.connection_dn
+ print("Adding %s" % ctx.connection_dn)
rec = {
"dn" : ctx.connection_dn,
"objectclass" : "nTDSConnection",
ctx.samdb.add(rec)
if ctx.acct_dn:
- print "Adding SPNs to %s" % ctx.acct_dn
+ 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)):
# connections which are hard to set up and otherwise refuse with
# ERR_UNWILLING_TO_PERFORM. In this case we fall back to libnet
# over SAMR.
- print "Setting account password for %s" % ctx.samname
+ print("Setting account password for %s" % ctx.samname)
try:
ctx.samdb.setpassword("(&(objectClass=user)(sAMAccountName=%s))"
% ldb.binary_encode(ctx.samname),
ctx.acct_pass,
force_change_at_next_login=False,
username=ctx.samname)
- except ldb.LdbError, (num, _):
+ except ldb.LdbError as e2:
+ (num, _) = e2.args
if num != ldb.ERR_UNWILLING_TO_PERFORM:
pass
ctx.net.set_password(account_name=ctx.samname,
domain_name=ctx.domain_name,
- newpassword=ctx.acct_pass)
+ newpassword=ctx.acct_pass.encode('utf-8'))
res = ctx.samdb.search(base=ctx.acct_dn, scope=ldb.SCOPE_BASE,
- attrs=["msDS-KeyVersionNumber"])
+ attrs=["msDS-KeyVersionNumber",
+ "objectSID"])
if "msDS-KeyVersionNumber" in res[0]:
ctx.key_version_number = int(res[0]["msDS-KeyVersionNumber"][0])
else:
ctx.key_version_number = None
+ ctx.new_dc_account_sid = ndr_unpack(security.dom_sid,
+ res[0]["objectSid"][0])
+
print("Enabling account")
m = ldb.Message()
m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn)
ctx.dnspass = samba.generate_random_password(128, 255)
recs = ctx.samdb.parse_ldif(read_and_sub_file(setup_path("provision_dns_add_samba.ldif"),
- {"DNSDOMAIN": ctx.dnsdomain,
- "DOMAINDN": ctx.base_dn,
- "HOSTNAME" : ctx.myname,
- "DNSPASS_B64": b64encode(ctx.dnspass),
- "DNSNAME" : ctx.dnshostname}))
+ {"DNSDOMAIN": ctx.dnsdomain,
+ "DOMAINDN": ctx.base_dn,
+ "HOSTNAME" : ctx.myname,
+ "DNSPASS_B64": b64encode(ctx.dnspass.encode('utf-16-le')).decode('utf8'),
+ "DNSNAME" : ctx.dnshostname}))
for changetype, msg in recs:
assert changetype == ldb.CHANGETYPE_NONE
dns_acct_dn = msg["dn"]
- print "Adding DNS account %s with dns/ SPN" % msg["dn"]
+ print("Adding DNS account %s with dns/ SPN" % msg["dn"])
# Remove dns password (we will set it as a modify, as we can't do clearTextPassword over LDAP)
del msg["clearTextPassword"]
samba.dsdb.UF_ACCOUNTDISABLE)
try:
ctx.samdb.add(msg)
- except ldb.LdbError, (num, _):
+ except ldb.LdbError as e:
+ (num, _) = e.args
if num != ldb.ERR_ENTRY_ALREADY_EXISTS:
raise
# connections which are hard to set up and otherwise refuse with
# ERR_UNWILLING_TO_PERFORM. In this case we fall back to libnet
# over SAMR.
- print "Setting account password for dns-%s" % ctx.myname
+ print("Setting account password for dns-%s" % ctx.myname)
try:
ctx.samdb.setpassword("(&(objectClass=user)(samAccountName=dns-%s))"
% ldb.binary_encode(ctx.myname),
ctx.dnspass,
force_change_at_next_login=False,
username=ctx.samname)
- except ldb.LdbError, (num, _):
+ except ldb.LdbError as e3:
+ (num, _) = e3.args
if num != ldb.ERR_UNWILLING_TO_PERFORM:
raise
ctx.net.set_password(account_name="dns-%s" % ctx.myname,
def join_add_objects2(ctx):
"""add the various objects needed for the join, for subdomains post replication"""
- print "Adding %s" % ctx.partition_dn
- # NOTE: windows sends a ntSecurityDescriptor here, we
- # let it default
+ print("Adding %s" % ctx.partition_dn)
+ name_map = {'SubdomainAdmins': "%s-%s" % (str(ctx.domsid), security.DOMAIN_RID_ADMINS)}
+ sd_binary = descriptor.get_paritions_crossref_subdomain_descriptor(ctx.forestsid, name_map=name_map)
rec = {
"dn" : ctx.partition_dn,
"objectclass" : "crossRef",
"nETBIOSName" : ctx.domain_name,
"dnsRoot": ctx.dnsdomain,
"trustParent" : ctx.parent_partition_dn,
- "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_CR_NTDS_NC|samba.dsdb.SYSTEM_FLAG_CR_NTDS_DOMAIN)}
+ "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_CR_NTDS_NC|samba.dsdb.SYSTEM_FLAG_CR_NTDS_DOMAIN),
+ "ntSecurityDescriptor" : sd_binary,
+ }
+
if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
rec["msDS-Behavior-Version"] = str(ctx.behavior_version)
def join_provision(ctx):
"""Provision the local SAM."""
- print "Calling bare provision"
+ print("Calling bare provision")
smbconf = ctx.lp.configfile
hostname=ctx.myname, domainsid=ctx.domsid,
machinepass=ctx.acct_pass, serverrole="active directory domain controller",
sitename=ctx.site, lp=ctx.lp, ntdsguid=ctx.ntds_guid,
- use_ntvfs=ctx.use_ntvfs, dns_backend=ctx.dns_backend)
- print "Provision OK for domain DN %s" % presult.domaindn
+ use_ntvfs=ctx.use_ntvfs, dns_backend=ctx.dns_backend,
+ plaintext_secrets=ctx.plaintext_secrets,
+ backend_store=ctx.backend_store
+ )
+ print("Provision OK for domain DN %s" % presult.domaindn)
ctx.local_samdb = presult.samdb
ctx.lp = presult.lp
ctx.paths = presult.paths
raise DCJoinException("Can't find naming context on partition DN %s in %s" % (ctx.partition_dn, ctx.samdb.url))
try:
- ctx.names.domainguid = str(misc.GUID(ldb.Dn(ctx.samdb, res[0]['ncName'][0]).get_extended_component('GUID')))
+ ctx.names.domainguid = str(misc.GUID(ldb.Dn(ctx.samdb, res[0]['ncName'][0].decode('utf8')).get_extended_component('GUID')))
except KeyError:
raise DCJoinException("Can't find GUID in naming master on partition DN %s" % res[0]['ncName'][0])
dns_backend=ctx.dns_backend, adminpass=ctx.adminpass)
print("Provision OK for domain %s" % ctx.names.dnsdomain)
+ def create_replicator(ctx, repl_creds, binding_options):
+ '''Creates a new DRS object for managing replications'''
+ return drs_utils.drs_Replicate(
+ "ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options),
+ ctx.lp, repl_creds, ctx.local_samdb, ctx.invocation_id)
+
def join_replicate(ctx):
"""Replicate the SAM."""
- print "Starting replication"
+ print("Starting replication")
ctx.local_samdb.transaction_start()
try:
source_dsa_invocation_id = misc.GUID(ctx.samdb.get_invocation_id())
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)
+ repl_creds.set_password(ctx.acct_pass.encode('utf-8'))
else:
repl_creds = ctx.creds
binding_options = "seal"
- if int(ctx.lp.get("log level")) >= 5:
+ if ctx.lp.log_level() >= 9:
binding_options += ",print"
- repl = drs_utils.drs_Replicate(
- "ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options),
- ctx.lp, repl_creds, ctx.local_samdb, ctx.invocation_id)
+
+ repl = ctx.create_replicator(repl_creds, binding_options)
repl.replicate(ctx.schema_dn, source_dsa_invocation_id,
destination_dsa_guid, schema=True, rodc=ctx.RODC,
if not ctx.subdomain:
# Replicate first the critical object for the basedn
if not ctx.domain_replica_flags & drsuapi.DRSUAPI_DRS_CRITICAL_ONLY:
- print "Replicating critical objects from the base DN of the domain"
- ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY | drsuapi.DRSUAPI_DRS_GET_ANC
+ print("Replicating critical objects from the base DN of the domain")
+ ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY
repl.replicate(ctx.base_dn, source_dsa_invocation_id,
destination_dsa_guid, rodc=ctx.RODC,
replica_flags=ctx.domain_replica_flags)
- ctx.domain_replica_flags ^= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY | drsuapi.DRSUAPI_DRS_GET_ANC
- else:
- ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_GET_ANC
+ ctx.domain_replica_flags ^= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY
repl.replicate(ctx.base_dn, source_dsa_invocation_id,
destination_dsa_guid, rodc=ctx.RODC,
replica_flags=ctx.domain_replica_flags)
- print "Done with always replicated NC (base, config, schema)"
+ print("Done with always replicated NC (base, config, schema)")
+ # At this point we should already have an entry in the ForestDNS
+ # and DomainDNS NC (those under CN=Partions,DC=...) in order to
+ # indicate that we hold a replica for this NC.
for nc in (ctx.domaindns_zone, ctx.forestdns_zone):
if nc in ctx.nc_list:
- print "Replicating %s" % (str(nc))
+ print("Replicating %s" % (str(nc)))
repl.replicate(nc, source_dsa_invocation_id,
- destination_dsa_guid, rodc=ctx.RODC,
- replica_flags=ctx.replica_flags)
-
- # FIXME At this point we should add an entry in the forestdns and domaindns NC
- # (those under CN=Partions,DC=...)
- # in order to indicate that we hold a replica for this NC
+ destination_dsa_guid, rodc=ctx.RODC,
+ replica_flags=ctx.replica_flags)
if ctx.RODC:
repl.replicate(ctx.acct_dn, source_dsa_invocation_id,
repl.replicate(ctx.new_krbtgt_dn, source_dsa_invocation_id,
destination_dsa_guid,
exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET, rodc=True)
+ elif ctx.rid_manager_dn != None:
+ # Try and get a RID Set if we can. This is only possible against the RID Master. Warn otherwise.
+ try:
+ repl.replicate(ctx.rid_manager_dn, source_dsa_invocation_id,
+ destination_dsa_guid,
+ exop=drsuapi.DRSUAPI_EXOP_FSMO_RID_ALLOC)
+ except samba.DsExtendedError as e1:
+ (enum, estr) = e1.args
+ if enum == drsuapi.DRSUAPI_EXOP_ERR_FSMO_NOT_OWNER:
+ print("WARNING: Unable to replicate own RID Set, as server %s (the server we joined) is not the RID Master." % ctx.server)
+ print("NOTE: This is normal and expected, Samba will be able to create users after it contacts the RID Master at first startup.")
+ else:
+ raise
+
ctx.repl = repl
ctx.source_dsa_invocation_id = source_dsa_invocation_id
ctx.destination_dsa_guid = destination_dsa_guid
- print "Committing SAM database"
+ print("Committing SAM database")
except:
ctx.local_samdb.transaction_cancel()
raise
if not ctx.RODC:
r.options |= drsuapi.DRSUAPI_DRS_WRIT_REP
- if ctx.drsuapi:
- ctx.drsuapi.DsReplicaUpdateRefs(ctx.drsuapi_handle, 1, r)
+ if ctx.drsuapi is None:
+ ctx.drsuapi_connect()
+
+ ctx.drsuapi.DsReplicaUpdateRefs(ctx.drsuapi_handle, 1, r)
+
+ def join_add_dns_records(ctx):
+ """Remotely Add a DNS record to the target DC. We assume that if we
+ replicate DNS that the server holds the DNS roles and can accept
+ updates.
+
+ This avoids issues getting replication going after the DC
+ first starts as the rest of the domain does not have to
+ wait for samba_dnsupdate to run successfully.
+
+ Specifically, we add the records implied by the DsReplicaUpdateRefs
+ call above.
+
+ We do not just run samba_dnsupdate as we want to strictly
+ operate against the DC we just joined:
+ - We do not want to query another DNS server
+ - We do not want to obtain a Kerberos ticket
+ (as the KDC we select may not be the DC we just joined,
+ and so may not be in sync with the password we just set)
+ - We do not wish to set the _ldap records until we have started
+ - We do not wish to use NTLM (the --use-samba-tool mode forces
+ NTLM)
+
+ """
+
+ client_version = dnsserver.DNS_CLIENT_VERSION_LONGHORN
+ record_type = dnsp.DNS_TYPE_A
+ select_flags = dnsserver.DNS_RPC_VIEW_AUTHORITY_DATA |\
+ dnsserver.DNS_RPC_VIEW_NO_CHILDREN
+
+ zone = ctx.dnsdomain
+ msdcs_zone = "_msdcs.%s" % ctx.dnsforest
+ name = ctx.myname
+ msdcs_cname = str(ctx.ntds_guid)
+ cname_target = "%s.%s" % (name, zone)
+ IPs = samba.interface_ips(ctx.lp, ctx.force_all_ips)
+
+ ctx.logger.info("Adding %d remote DNS records for %s.%s" % \
+ (len(IPs), name, zone))
+
+ binding_options = "sign"
+ dns_conn = dnsserver.dnsserver("ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options),
+ ctx.lp, ctx.creds)
+
+
+ name_found = True
+
+ sd_helper = samba.sd_utils.SDUtils(ctx.samdb)
+
+ change_owner_sd = security.descriptor()
+ change_owner_sd.owner_sid = ctx.new_dc_account_sid
+ change_owner_sd.group_sid = security.dom_sid("%s-%d" %
+ (str(ctx.domsid),
+ security.DOMAIN_RID_DCS))
+
+ # TODO: Remove any old records from the primary DNS name
+ try:
+ (buflen, res) \
+ = dns_conn.DnssrvEnumRecords2(client_version,
+ 0,
+ ctx.server,
+ zone,
+ name,
+ None,
+ dnsp.DNS_TYPE_ALL,
+ select_flags,
+ None,
+ None)
+ except WERRORError as e:
+ if e.args[0] == werror.WERR_DNS_ERROR_NAME_DOES_NOT_EXIST:
+ name_found = False
+ pass
+
+ if name_found:
+ for rec in res.rec:
+ for record in rec.records:
+ if record.wType == dnsp.DNS_TYPE_A or \
+ record.wType == dnsp.DNS_TYPE_AAAA:
+ # delete record
+ del_rec_buf = dnsserver.DNS_RPC_RECORD_BUF()
+ del_rec_buf.rec = record
+ try:
+ dns_conn.DnssrvUpdateRecord2(client_version,
+ 0,
+ ctx.server,
+ zone,
+ name,
+ None,
+ del_rec_buf)
+ except WERRORError as e:
+ if e.args[0] == werror.WERR_DNS_ERROR_NAME_DOES_NOT_EXIST:
+ pass
+ else:
+ raise
+
+ for IP in IPs:
+ if IP.find(':') != -1:
+ ctx.logger.info("Adding DNS AAAA record %s.%s for IPv6 IP: %s"
+ % (name, zone, IP))
+ rec = AAAARecord(IP)
+ else:
+ ctx.logger.info("Adding DNS A record %s.%s for IPv4 IP: %s"
+ % (name, zone, IP))
+ rec = ARecord(IP)
+
+ # Add record
+ add_rec_buf = dnsserver.DNS_RPC_RECORD_BUF()
+ add_rec_buf.rec = rec
+ dns_conn.DnssrvUpdateRecord2(client_version,
+ 0,
+ ctx.server,
+ zone,
+ name,
+ add_rec_buf,
+ None)
+
+ if (len(IPs) > 0):
+ domaindns_zone_dn = ldb.Dn(ctx.samdb, ctx.domaindns_zone)
+ (ctx.dns_a_dn, ldap_record) \
+ = ctx.samdb.dns_lookup("%s.%s" % (name, zone),
+ dns_partition=domaindns_zone_dn)
+
+ # Make the DC own the DNS record, not the administrator
+ sd_helper.modify_sd_on_dn(ctx.dns_a_dn, change_owner_sd,
+ controls=["sd_flags:1:%d"
+ % (security.SECINFO_OWNER
+ | security.SECINFO_GROUP)])
+
+
+ # Add record
+ ctx.logger.info("Adding DNS CNAME record %s.%s for %s"
+ % (msdcs_cname, msdcs_zone, cname_target))
+
+ add_rec_buf = dnsserver.DNS_RPC_RECORD_BUF()
+ rec = CNameRecord(cname_target)
+ add_rec_buf.rec = rec
+ dns_conn.DnssrvUpdateRecord2(client_version,
+ 0,
+ ctx.server,
+ msdcs_zone,
+ msdcs_cname,
+ add_rec_buf,
+ None)
+
+ forestdns_zone_dn = ldb.Dn(ctx.samdb, ctx.forestdns_zone)
+ (ctx.dns_cname_dn, ldap_record) \
+ = ctx.samdb.dns_lookup("%s.%s" % (msdcs_cname, msdcs_zone),
+ dns_partition=forestdns_zone_dn)
+
+ # Make the DC own the DNS record, not the administrator
+ sd_helper.modify_sd_on_dn(ctx.dns_cname_dn, change_owner_sd,
+ controls=["sd_flags:1:%d"
+ % (security.SECINFO_OWNER
+ | security.SECINFO_GROUP)])
+
+ ctx.logger.info("All other DNS records (like _ldap SRV records) " +
+ "will be created samba_dnsupdate on first startup")
+
+
+ def join_replicate_new_dns_records(ctx):
+ for nc in (ctx.domaindns_zone, ctx.forestdns_zone):
+ if nc in ctx.nc_list:
+ ctx.logger.info("Replicating new DNS records in %s" % (str(nc)))
+ ctx.repl.replicate(nc, ctx.source_dsa_invocation_id,
+ ctx.ntds_guid, rodc=ctx.RODC,
+ replica_flags=ctx.replica_flags,
+ full_sync=False)
+
+
def join_finalise(ctx):
"""Finalise the join, mark us synchronised and setup secrets db."""
# FIXME we shouldn't do this in all cases
+
# If for some reasons we joined in another site than the one of
# DC we just replicated from then we don't need to send the updatereplicateref
# as replication between sites is time based and on the initiative of the
ctx.send_DsReplicaUpdateRefs(nc)
if ctx.RODC:
- print "Setting RODC invocationId"
+ print("Setting RODC invocationId")
ctx.local_samdb.set_invocation_id(str(ctx.invocation_id))
ctx.local_samdb.set_opaque_integer("domainFunctionality",
ctx.behavior_version)
m = ldb.Message()
m.dn = ldb.Dn(ctx.local_samdb, '@ROOTDSE')
m["isSynchronized"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_REPLACE, "isSynchronized")
- m["dsServiceName"] = ldb.MessageElement("<GUID=%s>" % str(ctx.ntds_guid),
+
+ guid = ctx.ntds_guid
+ m["dsServiceName"] = ldb.MessageElement("<GUID=%s>" % str(guid),
ldb.FLAG_MOD_REPLACE, "dsServiceName")
ctx.local_samdb.modify(m)
realm=ctx.realm,
dnsdomain=ctx.dnsdomain,
netbiosname=ctx.myname,
- domainsid=security.dom_sid(ctx.domsid),
+ domainsid=ctx.domsid,
machinepass=ctx.acct_pass,
secure_channel_type=ctx.secure_channel_type,
key_version_number=ctx.key_version_number)
def join_setup_trusts(ctx):
"""provision the local SAM."""
- def arcfour_encrypt(key, data):
- from Crypto.Cipher import ARC4
- c = ARC4.new(key)
- return c.encrypt(data)
-
- def string_to_array(string):
- blob = [0] * len(string)
-
- for i in range(len(string)):
- blob[i] = ord(string[i])
-
- return blob
-
- print "Setup domain trusts with server %s" % ctx.server
+ print("Setup domain trusts with server %s" % ctx.server)
binding_options = "" # why doesn't signing work here? w2k8r2 claims no session key
lsaconn = lsa.lsarpc("ncacn_np:%s[%s]" % (ctx.server, binding_options),
ctx.lp, ctx.creds)
info = lsa.TrustDomainInfoInfoEx()
info.domain_name.string = ctx.dnsdomain
info.netbios_name.string = ctx.domain_name
- info.sid = security.dom_sid(ctx.domsid)
+ info.sid = ctx.domsid
info.trust_direction = lsa.LSA_TRUST_DIRECTION_INBOUND | lsa.LSA_TRUST_DIRECTION_OUTBOUND
info.trust_type = lsa.LSA_TRUST_TYPE_UPLEVEL
info.trust_attributes = lsa.LSA_TRUST_ATTRIBUTE_WITHIN_FOREST
except RuntimeError:
pass
- password_blob = string_to_array(ctx.trustdom_pass.encode('utf-16-le'))
+ password_blob = string_to_byte_array(ctx.trustdom_pass.encode('utf-16-le'))
clear_value = drsblobs.AuthInfoClear()
clear_value.size = len(password_blob)
auth_blob = lsa.DATA_BUF2()
auth_blob.size = len(encrypted_trustpass)
- auth_blob.data = string_to_array(encrypted_trustpass)
+ auth_blob.data = string_to_byte_array(encrypted_trustpass)
auth_info = lsa.TrustDomainInfoAuthInfoInternal()
auth_info.auth_blob = auth_blob
"flatname" : ctx.forest_domain_name,
"trustPartner" : ctx.dnsforest,
"trustAuthIncoming" : ndr_pack(outgoing),
- "trustAuthOutgoing" : ndr_pack(outgoing)
- }
+ "trustAuthOutgoing" : ndr_pack(outgoing),
+ "securityIdentifier" : ndr_pack(ctx.forestsid)
+ }
ctx.local_samdb.add(rec)
rec = {
"dn" : "cn=%s$,cn=users,%s" % (ctx.forest_domain_name, ctx.base_dn),
"objectclass" : "user",
"userAccountControl" : str(samba.dsdb.UF_INTERDOMAIN_TRUST_ACCOUNT),
- "clearTextPassword" : ctx.trustdom_pass.encode('utf-16-le')
- }
+ "clearTextPassword" : ctx.trustdom_pass.encode('utf-16-le'),
+ "samAccountName" : "%s$" % ctx.forest_domain_name
+ }
ctx.local_samdb.add(rec)
- def do_join(ctx):
+ def build_nc_lists(ctx):
# nc_list is the list of naming context (NC) for which we will
# replicate in and send a updateRef command to the partner DC
ctx.full_nc_list += [ctx.domaindns_zone]
ctx.full_nc_list += [ctx.forestdns_zone]
+ def do_join(ctx):
+ ctx.build_nc_lists()
+
if ctx.promote_existing:
ctx.promote_possible()
else:
ctx.join_add_objects2()
ctx.join_provision_own_domain()
ctx.join_setup_trusts()
+
+ if ctx.dns_backend != "NONE":
+ ctx.join_add_dns_records()
+ ctx.join_replicate_new_dns_records()
+
ctx.join_finalise()
except:
- print "Join failed - cleaning up"
+ try:
+ print("Join failed - cleaning up")
+ except IOError:
+ pass
ctx.cleanup_old_join()
raise
def join_RODC(logger=None, server=None, creds=None, lp=None, site=None, netbios_name=None,
targetdir=None, domain=None, domain_critical_only=False,
machinepass=None, use_ntvfs=False, dns_backend=None,
- promote_existing=False):
+ promote_existing=False, plaintext_secrets=False,
+ backend_store=None):
"""Join as a RODC."""
- ctx = dc_join(logger, server, creds, lp, site, netbios_name, targetdir, domain,
- machinepass, use_ntvfs, dns_backend, promote_existing)
+ ctx = DCJoinContext(logger, server, creds, lp, site, netbios_name,
+ targetdir, domain, machinepass, use_ntvfs, dns_backend,
+ promote_existing, plaintext_secrets,
+ backend_store=backend_store)
lp.set("workgroup", ctx.domain_name)
logger.info("workgroup is %s" % ctx.domain_name)
ctx.connection_dn = "CN=RODC Connection (FRS),%s" % ctx.ntds_dn
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 |
+ ctx.replica_flags |= ( drsuapi.DRSUAPI_DRS_SPECIAL_SECRET_PROCESSING |
drsuapi.DRSUAPI_DRS_GET_ALL_GROUP_MEMBERSHIP)
ctx.domain_replica_flags = ctx.replica_flags
if domain_critical_only:
def join_DC(logger=None, server=None, creds=None, lp=None, site=None, netbios_name=None,
targetdir=None, domain=None, domain_critical_only=False,
machinepass=None, use_ntvfs=False, dns_backend=None,
- promote_existing=False):
+ promote_existing=False, plaintext_secrets=False,
+ backend_store=None):
"""Join as a DC."""
- ctx = dc_join(logger, server, creds, lp, site, netbios_name, targetdir, domain,
- machinepass, use_ntvfs, dns_backend, promote_existing)
+ ctx = DCJoinContext(logger, server, creds, lp, site, netbios_name,
+ targetdir, domain, machinepass, use_ntvfs, dns_backend,
+ promote_existing, plaintext_secrets,
+ backend_store=backend_store)
lp.set("workgroup", ctx.domain_name)
logger.info("workgroup is %s" % ctx.domain_name)
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.replica_flags |= (drsuapi.DRSUAPI_DRS_WRIT_REP |
+ drsuapi.DRSUAPI_DRS_FULL_SYNC_IN_PROGRESS)
ctx.domain_replica_flags = ctx.replica_flags
if domain_critical_only:
ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY
ctx.do_join()
logger.info("Joined domain %s (SID %s) as a DC" % (ctx.domain_name, ctx.domsid))
+def join_clone(logger=None, server=None, creds=None, lp=None,
+ targetdir=None, domain=None, include_secrets=False,
+ dns_backend="NONE"):
+ """Creates a local clone of a remote DC."""
+ ctx = DCCloneContext(logger, server, creds, lp, targetdir=targetdir,
+ domain=domain, dns_backend=dns_backend,
+ include_secrets=include_secrets)
+
+ lp.set("workgroup", ctx.domain_name)
+ logger.info("workgroup is %s" % ctx.domain_name)
+
+ lp.set("realm", ctx.realm)
+ logger.info("realm is %s" % ctx.realm)
+
+ ctx.do_join()
+ logger.info("Cloned domain %s (SID %s)" % (ctx.domain_name, ctx.domsid))
+ return ctx
+
def join_subdomain(logger=None, server=None, creds=None, lp=None, site=None,
netbios_name=None, targetdir=None, parent_domain=None, dnsdomain=None,
netbios_domain=None, machinepass=None, adminpass=None, use_ntvfs=False,
- dns_backend=None):
+ dns_backend=None, plaintext_secrets=False,
+ backend_store=None):
"""Join as a DC."""
- ctx = dc_join(logger, server, creds, lp, site, netbios_name, targetdir, parent_domain,
- machinepass, use_ntvfs, dns_backend)
+ ctx = DCJoinContext(logger, server, creds, lp, site, netbios_name,
+ targetdir, parent_domain, machinepass, use_ntvfs,
+ dns_backend, plaintext_secrets,
+ backend_store=backend_store)
ctx.subdomain = True
if adminpass is None:
ctx.adminpass = samba.generate_random_password(12, 32)
ctx.base_dn = samba.dn_from_dns_name(dnsdomain)
ctx.forestsid = ctx.domsid
- ctx.domsid = str(security.random_sid())
+ ctx.domsid = security.random_sid()
ctx.acct_dn = None
ctx.dnshostname = "%s.%s" % (ctx.myname.lower(), ctx.dnsdomain)
- ctx.trustdom_pass = samba.generate_random_password(128, 128)
+ # Windows uses 240 bytes as UTF16 so we do
+ ctx.trustdom_pass = samba.generate_random_machine_password(120, 120)
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.replica_flags |= (drsuapi.DRSUAPI_DRS_WRIT_REP |
+ drsuapi.DRSUAPI_DRS_FULL_SYNC_IN_PROGRESS)
ctx.domain_replica_flags = ctx.replica_flags
ctx.do_join()
ctx.logger.info("Created domain %s (SID %s) as a DC" % (ctx.domain_name, ctx.domsid))
+
+
+class DCCloneContext(DCJoinContext):
+ """Clones a remote DC."""
+
+ def __init__(ctx, logger=None, server=None, creds=None, lp=None,
+ targetdir=None, domain=None, dns_backend=None,
+ include_secrets=False):
+ super(DCCloneContext, ctx).__init__(logger, server, creds, lp,
+ targetdir=targetdir, domain=domain,
+ dns_backend=dns_backend)
+
+ # As we don't want to create or delete these DNs, we set them to None
+ ctx.server_dn = None
+ ctx.ntds_dn = None
+ ctx.acct_dn = None
+ ctx.myname = ctx.server.split('.')[0]
+ ctx.ntds_guid = None
+ ctx.rid_manager_dn = None
+
+ # Save this early
+ ctx.remote_dc_ntds_guid = ctx.samdb.get_ntds_GUID()
+
+ ctx.replica_flags |= (drsuapi.DRSUAPI_DRS_WRIT_REP |
+ drsuapi.DRSUAPI_DRS_FULL_SYNC_IN_PROGRESS)
+ if not include_secrets:
+ ctx.replica_flags |= drsuapi.DRSUAPI_DRS_SPECIAL_SECRET_PROCESSING
+ ctx.domain_replica_flags = ctx.replica_flags
+
+ def join_finalise(ctx):
+ ctx.logger.info("Setting isSynchronized and dsServiceName")
+ m = ldb.Message()
+ m.dn = ldb.Dn(ctx.local_samdb, '@ROOTDSE')
+ m["isSynchronized"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_REPLACE,
+ "isSynchronized")
+
+ # We want to appear to be the server we just cloned
+ guid = ctx.remote_dc_ntds_guid
+ m["dsServiceName"] = ldb.MessageElement("<GUID=%s>" % str(guid),
+ ldb.FLAG_MOD_REPLACE,
+ "dsServiceName")
+ ctx.local_samdb.modify(m)
+
+ def do_join(ctx):
+ ctx.build_nc_lists()
+
+ # When cloning a DC, we just want to provision a DC locally, then
+ # grab the remote DC's entire DB via DRS replication
+ ctx.join_provision()
+ ctx.join_replicate()
+ ctx.join_finalise()
+
+
+# Used to create a renamed backup of a DC. Renaming the domain means that the
+# cloned/backup DC can be started without interfering with the production DC.
+class DCCloneAndRenameContext(DCCloneContext):
+ """Clones a remote DC, renaming the domain along the way."""
+
+ def __init__(ctx, new_base_dn, new_domain_name, new_realm, logger=None,
+ server=None, creds=None, lp=None, targetdir=None, domain=None,
+ dns_backend=None, include_secrets=True):
+ super(DCCloneAndRenameContext, ctx).__init__(logger, server, creds, lp,
+ targetdir=targetdir,
+ domain=domain,
+ dns_backend=dns_backend,
+ include_secrets=include_secrets)
+ # store the new DN (etc) that we want the cloned DB to use
+ ctx.new_base_dn = new_base_dn
+ ctx.new_domain_name = new_domain_name
+ ctx.new_realm = new_realm
+
+ def create_replicator(ctx, repl_creds, binding_options):
+ """Creates a new DRS object for managing replications"""
+
+ # We want to rename all the domain objects, and the simplest way to do
+ # this is during replication. This is because the base DN of the top-
+ # level replicated object will flow through to all the objects below it
+ binding_str = "ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options)
+ return drs_utils.drs_ReplicateRenamer(binding_str, ctx.lp, repl_creds,
+ ctx.local_samdb,
+ ctx.invocation_id,
+ ctx.base_dn, ctx.new_base_dn)
+
+ def create_non_global_lp(ctx, global_lp):
+ '''Creates a non-global LoadParm based on the global LP's settings'''
+
+ # the samba code shares a global LoadParm by default. Here we create a
+ # new LoadParm that retains the global settings, but any changes we
+ # make to it won't automatically affect the rest of the samba code.
+ # The easiest way to do this is to dump the global settings to a
+ # temporary smb.conf file, and then load the temp file into a new
+ # non-global LoadParm
+ fd, tmp_file = tempfile.mkstemp()
+ global_lp.dump(False, tmp_file)
+ local_lp = samba.param.LoadParm(filename_for_non_global_lp=tmp_file)
+ os.remove(tmp_file)
+ return local_lp
+
+ def rename_dn(ctx, dn_str):
+ '''Uses string substitution to replace the base DN'''
+ old_base_dn = ctx.base_dn
+ return re.sub('%s$' % old_base_dn, ctx.new_base_dn, dn_str)
+
+ # we want to override the normal DCCloneContext's join_provision() so that
+ # use the new domain DNs during the provision. We do this because:
+ # - it sets up smb.conf/secrets.ldb with the new realm/workgroup values
+ # - it sets up a default SAM DB that uses the new Schema DNs (without which
+ # we couldn't apply the renamed DRS objects during replication)
+ def join_provision(ctx):
+ """Provision the local (renamed) SAM."""
+
+ print("Provisioning the new (renamed) domain...")
+
+ # the provision() calls make_smbconf() which uses lp.dump()/lp.load()
+ # to create a new smb.conf. By default, it uses the global LoadParm to
+ # do this, and so it would overwrite the realm/domain values globally.
+ # We still need the global LoadParm to retain the old domain's details,
+ # so we can connect to (and clone) the existing DC.
+ # So, copy the global settings into a non-global LoadParm, which we can
+ # then pass into provision(). This generates a new smb.conf correctly,
+ # without overwriting the global realm/domain values just yet.
+ non_global_lp = ctx.create_non_global_lp(ctx.lp)
+
+ # do the provision with the new/renamed domain DN values
+ presult = provision(ctx.logger, system_session(),
+ targetdir=ctx.targetdir, samdb_fill=FILL_DRS,
+ realm=ctx.new_realm, lp=non_global_lp,
+ rootdn=ctx.rename_dn(ctx.root_dn), domaindn=ctx.new_base_dn,
+ schemadn=ctx.rename_dn(ctx.schema_dn),
+ configdn=ctx.rename_dn(ctx.config_dn),
+ domain=ctx.new_domain_name, domainsid=ctx.domsid,
+ serverrole="active directory domain controller",
+ dns_backend=ctx.dns_backend)
+
+ print("Provision OK for renamed domain DN %s" % presult.domaindn)
+ ctx.local_samdb = presult.samdb
+ ctx.paths = presult.paths
git.samba.org / samba.git / blobdiff