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.tests
  34
  35 from ldb import SCOPE_BASE, LdbError
  36
  37 import samba.dcerpc.drsuapi
  38 from samba.dcerpc.drsblobs import schemaInfoBlob
  39 from samba.ndr import ndr_unpack
  40 from samba.dcerpc.misc import GUID
  41
  42
  43 class SchemaInfoTestCase(samba.tests.TestCase):
  44
  45     # static SamDB connection
  46     sam_db = None
  47
  48     def setUp(self):
  49         super(SchemaInfoTestCase, self).setUp()
  50
  51         # connect SamDB if we haven't yet
  52         if self.sam_db is None:
  53             ldb_url = "ldap://%s" % samba.tests.env_get_var_value("DC_SERVER")
  54             SchemaInfoTestCase.sam_db = samba.tests.connect_samdb(ldb_url)
  55
  56         # fetch rootDSE
  57         res = self.sam_db.search(base="", expression="", scope=SCOPE_BASE, attrs=["*"])
  58         self.assertEquals(len(res), 1)
  59         self.schema_dn = res[0]["schemaNamingContext"][0]
  60         self.base_dn = res[0]["defaultNamingContext"][0]
  61         self.forest_level = int(res[0]["forestFunctionality"][0])
  62
  63         # get DC invocation_id
  64         self.invocation_id = GUID(self.sam_db.get_invocation_id())
  65
  66     def tearDown(self):
  67         super(SchemaInfoTestCase, self).tearDown()
  68
  69     def _getSchemaInfo(self):
  70         try:
  71             schema_info_data = self.sam_db.searchone(attribute="schemaInfo",
  72                                                      basedn=self.schema_dn,
  73                                                      expression="(objectClass=*)",
  74                                                      scope=SCOPE_BASE)
  75             self.assertEqual(len(schema_info_data), 21)
  76             schema_info = ndr_unpack(schemaInfoBlob, schema_info_data)
  77             self.assertEqual(schema_info.marker, 0xFF)
  78         except KeyError:
  79             # create default schemaInfo if
  80             # attribute value is not created yet
  81             schema_info = schemaInfoBlob()
  82             schema_info.revision = 0
  83             schema_info.invocation_id = self.invocation_id
  84         return schema_info
  85
  86     def _checkSchemaInfo(self, schi_before, schi_after):
  87         self.assertEqual(schi_before.revision + 1, schi_after.revision)
  88         self.assertEqual(schi_before.invocation_id, schi_after.invocation_id)
  89         self.assertEqual(schi_after.invocation_id, self.invocation_id)
  90
  91     def _ldap_schemaUpdateNow(self):
  92         ldif = """
  93 dn:
  94 changetype: modify
  95 add: schemaUpdateNow
  96 schemaUpdateNow: 1
  97 """
  98         self.sam_db.modify_ldif(ldif)
  99
 100     def _make_obj_names(self, prefix):
 101         obj_name = prefix + time.strftime("%s", time.gmtime())
 102         obj_ldap_name = obj_name.replace("-", "")
 103         obj_dn = "CN=%s,%s" % (obj_name, self.schema_dn)
 104         return (obj_name, obj_ldap_name, obj_dn)
 105
 106     def _make_attr_ldif(self, attr_name, attr_dn, sub_oid):
 107         ldif = """
 108 dn: """ + attr_dn + """
 109 objectClass: top
 110 objectClass: attributeSchema
 111 adminDescription: """ + attr_name + """
 112 adminDisplayName: """ + attr_name + """
 113 cn: """ + attr_name + """
 114 attributeId: 1.3.6.1.4.1.7165.4.6.1.7.%d.""" % sub_oid + str(random.randint(1, 100000)) + """
 115 attributeSyntax: 2.5.5.12
 116 omSyntax: 64
 117 instanceType: 4
 118 isSingleValued: TRUE
 119 systemOnly: FALSE
 120 """
 121         return ldif
 122
 123     def test_AddModifyAttribute(self):
 124         # get initial schemaInfo
 125         schi_before = self._getSchemaInfo()
 126
 127         # create names for an attribute to add
 128         (attr_name, attr_ldap_name, attr_dn) = self._make_obj_names("schemaInfo-Attr-")
 129         ldif = self._make_attr_ldif(attr_name, attr_dn, 1)
 130
 131         # add the new attribute
 132         self.sam_db.add_ldif(ldif)
 133         self._ldap_schemaUpdateNow()
 134         # compare resulting schemaInfo
 135         schi_after = self._getSchemaInfo()
 136         self._checkSchemaInfo(schi_before, schi_after)
 137
 138         # rename the Attribute
 139         attr_dn_new = attr_dn.replace(attr_name, attr_name + "-NEW")
 140         try:
 141             self.sam_db.rename(attr_dn, attr_dn_new)
 142         except LdbError as e:
 143             (num, _) = e.args
 144             self.fail("failed to change CN for %s: %s" % (attr_name, _))
 145
 146         # compare resulting schemaInfo
 147         schi_after = self._getSchemaInfo()
 148         self._checkSchemaInfo(schi_before, schi_after)
 149         pass
 150
 151     def _make_class_ldif(self, class_name, class_dn, sub_oid):
 152         ldif = """
 153 dn: """ + class_dn + """
 154 objectClass: top
 155 objectClass: classSchema
 156 adminDescription: """ + class_name + """
 157 adminDisplayName: """ + class_name + """
 158 cn: """ + class_name + """
 159 governsId: 1.3.6.1.4.1.7165.4.6.2.7.%d.""" % sub_oid + str(random.randint(1, 100000)) + """
 160 instanceType: 4
 161 objectClassCategory: 1
 162 subClassOf: organizationalPerson
 163 rDNAttID: cn
 164 systemMustContain: cn
 165 systemOnly: FALSE
 166 """
 167         return ldif
 168
 169     def test_AddModifyClass(self):
 170         # get initial schemaInfo
 171         schi_before = self._getSchemaInfo()
 172
 173         # create names for a Class to add
 174         (class_name, class_ldap_name, class_dn) = self._make_obj_names("schemaInfo-Class-")
 175         ldif = self._make_class_ldif(class_name, class_dn, 1)
 176
 177         # add the new Class
 178         self.sam_db.add_ldif(ldif)
 179         self._ldap_schemaUpdateNow()
 180         # compare resulting schemaInfo
 181         schi_after = self._getSchemaInfo()
 182         self._checkSchemaInfo(schi_before, schi_after)
 183
 184         # rename the Class
 185         class_dn_new = class_dn.replace(class_name, class_name + "-NEW")
 186         try:
 187             self.sam_db.rename(class_dn, class_dn_new)
 188         except LdbError as e1:
 189             (num, _) = e1.args
 190             self.fail("failed to change CN for %s: %s" % (class_name, _))
 191
 192         # compare resulting schemaInfo
 193         schi_after = self._getSchemaInfo()
 194         self._checkSchemaInfo(schi_before, schi_after)