source4/dsdb/tests/python/dsdb_schema_info.py

   1 #!/usr/bin/env 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
  32 sys.path.insert(0, "bin/python")
  33 import samba
  34 samba.ensure_external_module("testtools", "testtools")
  35
  36 from ldb import SCOPE_BASE, LdbError
  37
  38 import samba.tests
  39 import samba.dcerpc.drsuapi
  40 from samba.dcerpc.drsblobs import schemaInfoBlob
  41 from samba.ndr import ndr_unpack
  42 from samba.dcerpc.misc import GUID
  43
  44
  45 class SchemaInfoTestCase(samba.tests.TestCase):
  46
  47     # static SamDB connection
  48     sam_db = None
  49
  50     def setUp(self):
  51         super(SchemaInfoTestCase, self).setUp()
  52
  53         # connect SamDB if we haven't yet
  54         if self.sam_db is None:
  55             ldb_url = samba.tests.env_get_var_value("DC_SERVER")
  56             SchemaInfoTestCase.sam_db = samba.tests.connect_samdb(ldb_url)
  57
  58         # fetch rootDSE
  59         res = self.sam_db.search(base="", expression="", scope=SCOPE_BASE, attrs=["*"])
  60         self.assertEquals(len(res), 1)
  61         self.schema_dn = res[0]["schemaNamingContext"][0]
  62         self.base_dn = res[0]["defaultNamingContext"][0]
  63         self.forest_level = int(res[0]["forestFunctionality"][0])
  64
  65         # get DC invocation_id
  66         self.invocation_id = GUID(self.sam_db.get_invocation_id())
  67
  68     def tearDown(self):
  69         super(SchemaInfoTestCase, self).tearDown()
  70
  71     def _getSchemaInfo(self):
  72         try:
  73             schema_info_data = self.sam_db.searchone(attribute="schemaInfo",
  74                                                      basedn=self.schema_dn,
  75                                                      expression="(objectClass=*)",
  76                                                      scope=SCOPE_BASE)
  77             self.assertEqual(len(schema_info_data), 21)
  78             schema_info = ndr_unpack(schemaInfoBlob, schema_info_data)
  79             self.assertEqual(schema_info.marker, 0xFF)
  80         except KeyError:
  81             # create default schemaInfo if
  82             # attribute value is not created yet
  83             schema_info = schemaInfoBlob()
  84             schema_info.revision = 0
  85             schema_info.invocation_id = self.invocation_id
  86         return schema_info
  87
  88     def _checkSchemaInfo(self, schi_before, schi_after):
  89         self.assertEqual(schi_before.revision + 1, schi_after.revision)
  90         self.assertEqual(schi_before.invocation_id, schi_after.invocation_id)
  91         self.assertEqual(schi_after.invocation_id, self.invocation_id)
  92
  93     def _ldap_schemaUpdateNow(self):
  94         ldif = """
  95 dn:
  96 changetype: modify
  97 add: schemaUpdateNow
  98 schemaUpdateNow: 1
  99 """
 100         self.sam_db.modify_ldif(ldif)
 101
 102     def _make_obj_names(self, prefix):
 103         obj_name = prefix + time.strftime("%s", time.gmtime())
 104         obj_ldap_name = obj_name.replace("-", "")
 105         obj_dn = "CN=%s,%s" % (obj_name, self.schema_dn)
 106         return (obj_name, obj_ldap_name, obj_dn)
 107
 108     def _make_attr_ldif(self, attr_name, attr_dn):
 109         ldif = """
 110 dn: """ + attr_dn + """
 111 objectClass: top
 112 objectClass: attributeSchema
 113 adminDescription: """ + attr_name + """
 114 adminDisplayName: """ + attr_name + """
 115 cn: """ + attr_name + """
 116 attributeId: 1.2.840.""" + str(random.randint(1,100000)) + """.1.5.9940
 117 attributeSyntax: 2.5.5.12
 118 omSyntax: 64
 119 instanceType: 4
 120 isSingleValued: TRUE
 121 systemOnly: FALSE
 122 """
 123         return ldif
 124
 125     def test_AddModifyAttribute(self):
 126         # get initial schemaInfo
 127         schi_before = self._getSchemaInfo()
 128
 129         # create names for an attribute to add
 130         (attr_name, attr_ldap_name, attr_dn) = self._make_obj_names("schemaInfo-Attr-")
 131         ldif = self._make_attr_ldif(attr_name, attr_dn)
 132
 133         # add the new attribute
 134         self.sam_db.add_ldif(ldif)
 135         self._ldap_schemaUpdateNow()
 136         # compare resulting schemaInfo
 137         schi_after = self._getSchemaInfo()
 138         self._checkSchemaInfo(schi_before, schi_after)
 139
 140         # rename the Attribute
 141         attr_dn_new = attr_dn.replace(attr_name, attr_name + "-NEW")
 142         try:
 143             self.sam_db.rename(attr_dn, attr_dn_new)
 144         except LdbError, (num, _):
 145             self.fail("failed to change lDAPDisplayName for %s: %s" % (attr_name, _))
 146
 147         # compare resulting schemaInfo
 148         schi_after = self._getSchemaInfo()
 149         self._checkSchemaInfo(schi_before, schi_after)
 150         pass
 151
 152
 153     def _make_class_ldif(self, class_name, class_dn):
 154         ldif = """
 155 dn: """ + class_dn + """
 156 objectClass: top
 157 objectClass: classSchema
 158 adminDescription: """ + class_name + """
 159 adminDisplayName: """ + class_name + """
 160 cn: """ + class_name + """
 161 governsId: 1.2.840.""" + str(random.randint(1,100000)) + """.1.5.9939
 162 instanceType: 4
 163 objectClassCategory: 1
 164 subClassOf: organizationalPerson
 165 rDNAttID: cn
 166 systemMustContain: cn
 167 systemOnly: FALSE
 168 """
 169         return ldif
 170
 171     def test_AddModifyClass(self):
 172         # get initial schemaInfo
 173         schi_before = self._getSchemaInfo()
 174
 175         # create names for a Class to add
 176         (class_name, class_ldap_name, class_dn) = self._make_obj_names("schemaInfo-Class-")
 177         ldif = self._make_class_ldif(class_name, class_dn)
 178
 179         # add the new Class
 180         self.sam_db.add_ldif(ldif)
 181         self._ldap_schemaUpdateNow()
 182         # compare resulting schemaInfo
 183         schi_after = self._getSchemaInfo()
 184         self._checkSchemaInfo(schi_before, schi_after)
 185
 186         # rename the Class
 187         class_dn_new = class_dn.replace(class_name, class_name + "-NEW")
 188         try:
 189             self.sam_db.rename(class_dn, class_dn_new)
 190         except LdbError, (num, _):
 191             self.fail("failed to change lDAPDisplayName for %s: %s" % (class_name, _))
 192
 193         # compare resulting schemaInfo
 194         schi_after = self._getSchemaInfo()
 195         self._checkSchemaInfo(schi_before, schi_after)
 196