diff --git a/Lib/ldap/controls/simple.py b/Lib/ldap/controls/simple.py
new file mode 100644
index 0000000..30e7dd3
--- /dev/null
+++ b/Lib/ldap/controls/simple.py
@@ -0,0 +1,147 @@
+# -*- coding: utf-8 -*-
+"""
+ldap.controls.simple - classes for some very simple LDAP controls
+
+See http://www.python-ldap.org/ for details.
+
+$Id: simple.py,v 1.9 2012/08/09 07:01:20 stroeder Exp $
+"""
+
+import struct,ldap
+from ldap.controls import RequestControl,ResponseControl,LDAPControl,KNOWN_RESPONSE_CONTROLS
+
+
+class ValueLessRequestControl(RequestControl):
+  """
+  Base class for controls without a controlValue.
+  The presence of the control in a LDAPv3 request changes the server's
+  behaviour when processing the request simply based on the controlType.
+
+  controlType
+    OID of the request control
+  criticality
+    criticality request control
+  """
+
+  def __init__(self,controlType=None,criticality=False):
+    self.controlType = controlType
+    self.criticality = criticality
+
+  def encodeControlValue(self):
+    return None
+
+
+class OctetStringInteger(LDAPControl):
+  """
+  Base class with controlValue being unsigend integer values
+  
+  integerValue
+    Integer to be sent as OctetString
+  """
+
+  def __init__(self,controlType=None,criticality=False,integerValue=None):
+    self.controlType = controlType
+    self.criticality = criticality
+    self.integerValue = integerValue
+
+  def encodeControlValue(self):
+    return struct.pack('!Q',self.integerValue)
+
+  def decodeControlValue(self,encodedControlValue):
+    self.integerValue = struct.unpack('!Q',encodedControlValue)[0]
+    
+
+class BooleanControl(LDAPControl):
+  """
+  Base class for simple request controls with boolean control value.
+
+  Constructor argument and class attribute:
+
+  booleanValue
+    Boolean (True/False or 1/0) which is the boolean controlValue.
+  """
+  boolean2ber = { 1:'\x01\x01\xFF', 0:'\x01\x01\x00' }
+  ber2boolean = { '\x01\x01\xFF':1, '\x01\x01\x00':0 }
+
+  def __init__(self,controlType=None,criticality=False,booleanValue=False):
+    self.controlType = controlType
+    self.criticality = criticality
+    self.booleanValue = booleanValue
+
+  def encodeControlValue(self):
+    return self.boolean2ber[int(self.booleanValue)]
+
+  def decodeControlValue(self,encodedControlValue):
+    self.booleanValue = self.ber2boolean[encodedControlValue]
+
+
+class ManageDSAITControl(ValueLessRequestControl):
+  """
+  Manage DSA IT Control
+  """
+
+  def __init__(self,criticality=False):
+    ValueLessRequestControl.__init__(self,ldap.CONTROL_MANAGEDSAIT,criticality=False)
+
+KNOWN_RESPONSE_CONTROLS[ldap.CONTROL_MANAGEDSAIT] = ManageDSAITControl
+
+
+class RelaxRulesControl(ValueLessRequestControl):
+  """
+  Relax Rules Control
+  """
+
+  def __init__(self,criticality=False):
+    ValueLessRequestControl.__init__(self,ldap.CONTROL_RELAX,criticality=False)
+
+KNOWN_RESPONSE_CONTROLS[ldap.CONTROL_RELAX] = RelaxRulesControl
+
+
+class ProxyAuthzControl(RequestControl):
+  """
+  Proxy Authorization Control
+  
+  authzId
+    string containing the authorization ID indicating the identity
+    on behalf which the server should process the request
+  """
+
+  def __init__(self,criticality,authzId):
+    RequestControl.__init__(self,ldap.CONTROL_PROXY_AUTHZ,criticality,authzId)
+
+
+class AuthorizationIdentityRequestControl(ValueLessRequestControl):
+  """
+  Authorization Identity Request and Response Controls
+  """
+  controlType = '2.16.840.1.113730.3.4.16'
+
+  def __init__(self,criticality):
+    ValueLessRequestControl.__init__(self,self.controlType,criticality)
+
+
+class AuthorizationIdentityResponseControl(ResponseControl):
+  """
+  Authorization Identity Request and Response Controls
+  
+  Class attributes:
+  
+  authzId
+    decoded authorization identity
+  """
+  controlType = '2.16.840.1.113730.3.4.15'
+
+  def decodeControlValue(self,encodedControlValue):
+    self.authzId = encodedControlValue
+
+
+KNOWN_RESPONSE_CONTROLS[AuthorizationIdentityResponseControl.controlType] = AuthorizationIdentityResponseControl
+
+
+class GetEffectiveRightsControl(RequestControl):
+  """
+  Get Effective Rights Control
+  """
+
+  def __init__(self,criticality,authzId=None):
+    RequestControl.__init__(self,'1.3.6.1.4.1.42.2.27.9.5.2',criticality,authzId)