source4/lib/ldb/tests/python/dsdb_schema_info.py

   1 #!/usr/bin/python
   2 # -*- coding: utf-8 -*-
   3 #
   4 # Unix SMB/CIFS implementation.
   5 # Copyright (C) Kamen Mazdrashki <kamenim@samba.org> 2010
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 #
  20
  21 #
  22 # Usage:
  23 #  export DC_SERVER=target_dc_or_local_samdb_url
  24 #  export SUBUNITRUN=$samba4srcdir/scripting/bin/subunitrun
  25 #  PYTHONPATH="$PYTHONPATH:$samba4srcdir/lib/ldb/tests/python" $SUBUNITRUN dsdb_schema_info -U"$DOMAIN/$DC_USERNAME"%"$DC_PASSWORD"
  26 #
  27
  28 import sys
  29 import time
  30 import random
  31 import os
  32
  33 sys.path.append("bin/python")
  34
  35 from samba.auth import system_session
  36 from ldb import SCOPE_BASE, LdbError
  37 from samba.samdb import SamDB
  38
  39 import samba.tests
  40 import samba.dcerpc.drsuapi
  41 from samba.dcerpc.drsblobs import schemaInfoBlob
  42 from samba.ndr import ndr_unpack
  43 from samba.dcerpc.misc import GUID
  44
  45
  46 class SchemaInfoTestCase(samba.tests.TestCase):
  47
  48     def setUp(self):
  49         super(SchemaInfoTestCase, self).setUp()
  50
  51         # fetch rootDSE
  52         self.ldb = ldb
  53         res = ldb.search(base="", expression="", scope=SCOPE_BASE, attrs=["*"])
  54         self.assertEquals(len(res), 1)
  55         self.schema_dn = res[0]["schemaNamingContext"][0]
  56         self.base_dn = res[0]["defaultNamingContext"][0]
  57         self.forest_level = int(res[0]["forestFunctionality"][0])
  58
  59         # get DC invocation_id
  60         self.invocation_id = GUID(ldb.get_invocation_id())
  61
  62     def tearDown(self):
  63         super(SchemaInfoTestCase, self).tearDown()
  64
  65     def _getSchemaInfo(self):
  66         try:
  67             schema_info_data = ldb.searchone(attribute="schemaInfo",
  68                                              basedn=self.schema_dn,
  69                                              expression="(objectClass=*)",
  70                                              scope=SCOPE_BASE)
  71             self.assertEqual(len(schema_info_data), 21)
  72             schema_info = ndr_unpack(schemaInfoBlob, schema_info_data)
  73             self.assertEqual(schema_info.marker, 0xFF)
  74         except KeyError:
  75             # create default schemaInfo if
  76             # attribute value is not created yet
  77             schema_info = schemaInfoBlob()
  78             schema_info.revision = 0
  79             schema_info.invocation_id = self.invocation_id
  80         return schema_info
  81
  82     def _checkSchemaInfo(self, schi_before, schi_after):
  83         self.assertEqual(schi_before.revision + 1, schi_after.revision)
  84         self.assertEqual(schi_before.invocation_id, schi_after.invocation_id)
  85         self.assertEqual(schi_after.invocation_id, self.invocation_id)
  86
  87     def _ldap_schemaUpdateNow(self):
  88         ldif = """
  89 dn:
  90 changetype: modify
  91 add: schemaUpdateNow
  92 schemaUpdateNow: 1
  93 """
  94         self.ldb.modify_ldif(ldif)
  95
  96     def _make_obj_names(self, prefix):
  97         obj_name = prefix + time.strftime("%s", time.gmtime())
  98         obj_ldap_name = obj_name.replace("-", "")
  99         obj_dn = "CN=%s,%s" % (obj_name, self.schema_dn)
 100         return (obj_name, obj_ldap_name, obj_dn)
 101
 102     def _make_attr_ldif(self, attr_name, attr_dn):
 103         ldif = """
 104 dn: """ + attr_dn + """
 105 objectClass: top
 106 objectClass: attributeSchema
 107 adminDescription: """ + attr_name + """
 108 adminDisplayName: """ + attr_name + """
 109 cn: """ + attr_name + """
 110 attributeId: 1.2.840.""" + str(random.randint(1,100000)) + """.1.5.9940
 111 attributeSyntax: 2.5.5.12
 112 omSyntax: 64
 113 instanceType: 4
 114 isSingleValued: TRUE
 115 systemOnly: FALSE
 116 """
 117         return ldif
 118
 119     def test_AddModifyAttribute(self):
 120         # get initial schemaInfo
 121         schi_before = self._getSchemaInfo()
 122
 123         # create names for an attribute to add
 124         (attr_name, attr_ldap_name, attr_dn) = self._make_obj_names("schemaInfo-Attr-")
 125         ldif = self._make_attr_ldif(attr_name, attr_dn)
 126
 127         # add the new attribute
 128         self.ldb.add_ldif(ldif)
 129         self._ldap_schemaUpdateNow()
 130         # compare resulting schemaInfo
 131         schi_after = self._getSchemaInfo()
 132         self._checkSchemaInfo(schi_before, schi_after)
 133
 134         # rename the Attribute
 135         attr_dn_new = attr_dn.replace(attr_name, attr_name + "-NEW")
 136         try:
 137             self.ldb.rename(attr_dn, attr_dn_new)
 138         except LdbError, (num, _):
 139             self.fail("failed to change lDAPDisplayName for %s: %s" % (attr_name, _))
 140
 141         # compare resulting schemaInfo
 142         schi_after = self._getSchemaInfo()
 143         self._checkSchemaInfo(schi_before, schi_after)
 144         pass
 145
 146
 147     def _make_class_ldif(self, class_name, class_dn):
 148         ldif = """
 149 dn: """ + class_dn + """
 150 objectClass: top
 151 objectClass: classSchema
 152 adminDescription: """ + class_name + """
 153 adminDisplayName: """ + class_name + """
 154 cn: """ + class_name + """
 155 governsId: 1.2.840.""" + str(random.randint(1,100000)) + """.1.5.9939
 156 instanceType: 4
 157 objectClassCategory: 1
 158 subClassOf: organizationalPerson
 159 rDNAttID: cn
 160 systemMustContain: cn
 161 systemOnly: FALSE
 162 """
 163         return ldif
 164
 165     def test_AddModifyClass(self):
 166         # get initial schemaInfo
 167         schi_before = self._getSchemaInfo()
 168
 169         # create names for a Class to add
 170         (class_name, class_ldap_name, class_dn) = self._make_obj_names("schemaInfo-Class-")
 171         ldif = self._make_class_ldif(class_name, class_dn)
 172
 173         # add the new Class
 174         self.ldb.add_ldif(ldif)
 175         self._ldap_schemaUpdateNow()
 176         # compare resulting schemaInfo
 177         schi_after = self._getSchemaInfo()
 178         self._checkSchemaInfo(schi_before, schi_after)
 179
 180         # rename the Class
 181         class_dn_new = class_dn.replace(class_name, class_name + "-NEW")
 182         try:
 183             self.ldb.rename(class_dn, class_dn_new)
 184         except LdbError, (num, _):
 185             self.fail("failed to change lDAPDisplayName for %s: %s" % (class_name, _))
 186
 187         # compare resulting schemaInfo
 188         schi_after = self._getSchemaInfo()
 189         self._checkSchemaInfo(schi_before, schi_after)
 190
 191
 192 ########################################################################################
 193 if not "DC_SERVER" in os.environ.keys():
 194     raise AssertionError("Please supply TARGET_DC in environment")
 195 ldb_url = os.environ["DC_SERVER"]
 196
 197 ldb_options = []
 198 if not "://" in ldb_url:
 199     if os.path.isfile(ldb_url):
 200         ldb_url = "tdb://%s" % ldb_url
 201     else:
 202         ldb_url = "ldap://%s" % ldb_url
 203         # user 'paged_search' module when connecting remotely
 204         ldb_options = ["modules:paged_searches"]
 205
 206 ldb = SamDB(url=ldb_url,
 207           lp=samba.tests.env_loadparm(),
 208           session_info=system_session(),
 209           credentials=samba.tests.cmdline_credentials,
 210           options=ldb_options)