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
  40 class DrsReplicaSyncTestCase(drs_base.DrsBaseTestCase):
  41     """Intended as a black box test case for DsReplicaSync
  42        implementation. It should test the behavior of this
  43        case in cases when inbound replication is disabled"""
  44
  45     def setUp(self):
  46         super(DrsReplicaSyncTestCase, self).setUp()
  47         self._disable_all_repl(self.dnsname_dc1)
  48         self.ou1 = None
  49         self.ou2 = None
  50
  51     def tearDown(self):
  52         # re-enable replication
  53         self._enable_all_repl(self.dnsname_dc1)
  54
  55         super(DrsReplicaSyncTestCase, self).tearDown()
  56
  57     def _create_ou(self, samdb, name):
  58         ldif = """
  59 dn: %s,%s
  60 objectClass: organizationalUnit
  61 """ % (name, self.domain_dn)
  62         samdb.add_ldif(ldif)
  63         res = samdb.search(base="%s,%s" % (name, self.domain_dn),
  64                            scope=SCOPE_BASE, attrs=["objectGUID"])
  65         return self._GUID_string(res[0]["objectGUID"][0])
  66
  67     def _check_deleted(self, sam_ldb, guid):
  68         # search the user by guid as it may be deleted
  69         res = sam_ldb.search(base='<GUID=%s>' % guid,
  70                              controls=["show_deleted:1"],
  71                              attrs=["isDeleted", "objectCategory", "ou"])
  72         self.assertEquals(len(res), 1)
  73         ou_cur = res[0]
  74         # Deleted Object base DN
  75         dodn = self._deleted_objects_dn(sam_ldb)
  76         # now check properties of the user
  77         name_cur = ou_cur["ou"][0]
  78         self.assertEquals(ou_cur["isDeleted"][0], "TRUE")
  79         self.assertTrue(not("objectCategory" in ou_cur))
  80         self.assertTrue(dodn in str(ou_cur["dn"]),
  81                         "OU %s is deleted but it is not located under %s!" % (name_cur, dodn))
  82
  83
  84     def test_ReplConflictsRODC(self):
  85         """Tests that objects created in conflict become conflict DNs"""
  86         # Replicate all objects to RODC beforehand
  87         self._net_drs_replicate(DC=self.dnsname_dc2, fromDC=self.dnsname_dc1, forced=True)
  88
  89         # Create conflicting objects on DC1 and DC2, with DC1 object created first
  90         name = "OU=Test RODC Conflict"
  91         self.ou1 = self._create_ou(self.ldb_dc1, name)
  92
  93         # Replicate single object
  94         self._net_drs_replicate(DC=self.dnsname_dc2, fromDC=self.dnsname_dc1,
  95                                 nc_dn="%s,%s" % (name, self.domain_dn),
  96                                 local=True, single=True, forced=True)
  97
  98         # Delete the object, so another can be added
  99         self.ldb_dc1.delete('<GUID=%s>' % self.ou1)
 100
 101         # Create a conflicting DN as it would appear to the RODC
 102         self.ou2 = self._create_ou(self.ldb_dc1, name)
 103
 104         try:
 105             self._net_drs_replicate(DC=self.dnsname_dc2, fromDC=self.dnsname_dc1,
 106                                     nc_dn="%s,%s" % (name, self.domain_dn),
 107                                     local=True, single=True, forced=True)
 108         except:
 109             # Cleanup the object
 110             self.ldb_dc1.delete('<GUID=%s>' % self.ou2)
 111             return
 112
 113         # Replicate cannot succeed, HWM would be updated incorrectly.
 114         self.fail("DRS replicate should have failed.")
 115
 116     def test_ReplConflictsRODCRename(self):
 117         """Tests that objects created in conflict become conflict DNs"""
 118         # Replicate all objects to RODC beforehand
 119         self._net_drs_replicate(DC=self.dnsname_dc2, fromDC=self.dnsname_dc1, forced=True)
 120
 121         # Create conflicting objects on DC1 and DC2, with DC1 object created first
 122         name = "OU=Test RODC Rename Conflict"
 123         self.ou1 = self._create_ou(self.ldb_dc1, name)
 124
 125         # Replicate single object
 126         self._net_drs_replicate(DC=self.dnsname_dc2, fromDC=self.dnsname_dc1,
 127                                 nc_dn="%s,%s" % (name, self.domain_dn),
 128                                 local=True, single=True, forced=True)
 129
 130         # Create a non-conflicting DN to rename as conflicting
 131         free_name = "OU=Test RODC Rename No Conflict"
 132         self.ou2 = self._create_ou(self.ldb_dc1, free_name)
 133
 134         self._net_drs_replicate(DC=self.dnsname_dc2, fromDC=self.dnsname_dc1,
 135                                 nc_dn="%s,%s" % (free_name, self.domain_dn),
 136                                 local=True, single=True, forced=True)
 137
 138         # Delete the object, so we can rename freely
 139         # DO NOT REPLICATE TO THE RODC
 140         self.ldb_dc1.delete('<GUID=%s>' % self.ou1)
 141
 142         # Collide the name from the RODC perspective
 143         self.ldb_dc1.rename("<GUID=%s>" % self.ou2, "%s,%s" % (name, self.domain_dn))
 144
 145         try:
 146             self._net_drs_replicate(DC=self.dnsname_dc2, fromDC=self.dnsname_dc1,
 147                                     nc_dn="%s,%s" % (name, self.domain_dn),
 148                                     local=True, single=True, forced=True)
 149         except:
 150             # Cleanup the object
 151             self.ldb_dc1.delete('<GUID=%s>' % self.ou2)
 152             return
 153
 154         # Replicate cannot succeed, HWM would be updated incorrectly.
 155         self.fail("DRS replicate should have failed.")