source4/torture/drs/python/replica_sync_rodc.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3 #
   4 # Test conflict scenarios on the RODC
   5 #
   6 # Copyright (C) Kamen Mazdrashki <kamenim@samba.org> 2011
   7 # Copyright (C) Catalyst.NET Ltd 2018
   8 #
   9 # This program is free software; you can redistribute it and/or modify
  10 # it under the terms of the GNU General Public License as published by
  11 # the Free Software Foundation; either version 3 of the License, or
  12 # (at your option) any later version.
  13 #
  14 # This program is distributed in the hope that it will be useful,
  15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 # GNU General Public License for more details.
  18 #
  19 # You should have received a copy of the GNU General Public License
  20 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21 #
  22
  23 #
  24 # Usage:
  25 #  export DC1=dc1_dns_name
  26 #  export DC2=dc2_dns_name (RODC)
  27 #  export SUBUNITRUN=$samba4srcdir/scripting/bin/subunitrun
  28 #  PYTHONPATH="$PYTHONPATH:$samba4srcdir/torture/drs/python" $SUBUNITRUN replica_sync_rodc -U"$DOMAIN/$DC_USERNAME"%"$DC_PASSWORD"
  29 #
  30
  31 import drs_base
  32 import samba.tests
  33 import time
  34 import ldb
  35
  36 from ldb import (
  37     SCOPE_BASE, LdbError, ERR_NO_SUCH_OBJECT)
  38
  39 class DrsReplicaSyncTestCase(drs_base.DrsBaseTestCase):
  40     """Intended as a black box test case for DsReplicaSync
  41        implementation. It should test the behavior of this
  42        case in cases when inbound replication is disabled"""
  43
  44     def setUp(self):
  45         super(DrsReplicaSyncTestCase, self).setUp()
  46         self._disable_all_repl(self.dnsname_dc1)
  47         self.ou1 = None
  48         self.ou2 = None
  49
  50     def tearDown(self):
  51         # re-enable replication
  52         self._enable_all_repl(self.dnsname_dc1)
  53
  54         super(DrsReplicaSyncTestCase, self).tearDown()
  55
  56     def _create_ou(self, samdb, name):
  57         ldif = """
  58 dn: %s,%s
  59 objectClass: organizationalUnit
  60 """ % (name, self.domain_dn)
  61         samdb.add_ldif(ldif)
  62         res = samdb.search(base="%s,%s" % (name, self.domain_dn),
  63                            scope=SCOPE_BASE, attrs=["objectGUID"])
  64         return self._GUID_string(res[0]["objectGUID"][0])
  65
  66     def _check_deleted(self, sam_ldb, guid):
  67         # search the user by guid as it may be deleted
  68         res = sam_ldb.search(base='<GUID=%s>' % guid,
  69                              controls=["show_deleted:1"],
  70                              attrs=["isDeleted", "objectCategory", "ou"])
  71         self.assertEquals(len(res), 1)
  72         ou_cur = res[0]
  73         # Deleted Object base DN
  74         dodn = self._deleted_objects_dn(sam_ldb)
  75         # now check properties of the user
  76         name_cur = ou_cur["ou"][0]
  77         self.assertEquals(ou_cur["isDeleted"][0], "TRUE")
  78         self.assertTrue(not("objectCategory" in ou_cur))
  79         self.assertTrue(dodn in str(ou_cur["dn"]),
  80                         "OU %s is deleted but it is not located under %s!" % (name_cur, dodn))
  81
  82
  83     def test_ReplConflictsRODC(self):
  84         """Tests that objects created in conflict become conflict DNs"""
  85         # Replicate all objects to RODC beforehand
  86         self._net_drs_replicate(DC=self.dnsname_dc2, fromDC=self.dnsname_dc1, forced=True)
  87
  88         # Create conflicting objects on DC1 and DC2, with DC1 object created first
  89         name = "OU=Test RODC Conflict"
  90         self.ou1 = self._create_ou(self.ldb_dc1, name)
  91
  92         # Replicate single object
  93         self._net_drs_replicate(DC=self.dnsname_dc2, fromDC=self.dnsname_dc1,
  94                                 nc_dn="%s,%s" % (name, self.domain_dn),
  95                                 local=True, single=True, forced=True)
  96
  97         # Delete the object, so another can be added
  98         self.ldb_dc1.delete('<GUID=%s>' % self.ou1)
  99
 100         # Create a conflicting DN as it would appear to the RODC
 101         self.ou2 = self._create_ou(self.ldb_dc1, name)
 102
 103         try:
 104             self._net_drs_replicate(DC=self.dnsname_dc2, fromDC=self.dnsname_dc1,
 105                                     nc_dn="%s,%s" % (name, self.domain_dn),
 106                                     local=True, single=True, forced=True)
 107         except:
 108             # Cleanup the object
 109             self.ldb_dc1.delete('<GUID=%s>' % self.ou2)
 110             return
 111
 112         # Replicate cannot succeed, HWM would be updated incorrectly.
 113         self.fail("DRS replicate should have failed.")
 114
 115     def test_ReplConflictsRODCRename(self):
 116         """Tests that objects created in conflict become conflict DNs"""
 117         # Replicate all objects to RODC beforehand
 118         self._net_drs_replicate(DC=self.dnsname_dc2, fromDC=self.dnsname_dc1, forced=True)
 119
 120         # Create conflicting objects on DC1 and DC2, with DC1 object created first
 121         name = "OU=Test RODC Rename Conflict"
 122         self.ou1 = self._create_ou(self.ldb_dc1, name)
 123
 124         # Replicate single object
 125         self._net_drs_replicate(DC=self.dnsname_dc2, fromDC=self.dnsname_dc1,
 126                                 nc_dn="%s,%s" % (name, self.domain_dn),
 127                                 local=True, single=True, forced=True)
 128
 129         # Create a non-conflicting DN to rename as conflicting
 130         free_name = "OU=Test RODC Rename No Conflict"
 131         self.ou2 = self._create_ou(self.ldb_dc1, free_name)
 132
 133         self._net_drs_replicate(DC=self.dnsname_dc2, fromDC=self.dnsname_dc1,
 134                                 nc_dn="%s,%s" % (free_name, self.domain_dn),
 135                                 local=True, single=True, forced=True)
 136
 137         # Delete the object, so we can rename freely
 138         # DO NOT REPLICATE TO THE RODC
 139         self.ldb_dc1.delete('<GUID=%s>' % self.ou1)
 140
 141         # Collide the name from the RODC perspective
 142         self.ldb_dc1.rename("<GUID=%s>" % self.ou2, "%s,%s" % (name, self.domain_dn))
 143
 144         try:
 145             self._net_drs_replicate(DC=self.dnsname_dc2, fromDC=self.dnsname_dc1,
 146                                     nc_dn="%s,%s" % (name, self.domain_dn),
 147                                     local=True, single=True, forced=True)
 148         except:
 149             # Cleanup the object
 150             self.ldb_dc1.delete('<GUID=%s>' % self.ou2)
 151             return
 152
 153         # Replicate cannot succeed, HWM would be updated incorrectly.
 154         self.fail("DRS replicate should have failed.")