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Active Directory (ADAM) on Windows Server 2000 SP4 .Net 1.1 does not work

• lunes, 20 de octubre de 2008 2:51Shailen Sukul

   
  

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  I am working for a large banking client who have older infrastructure in the Application services layer.

   

  I have created a COM+ component that resides in an Application server with the following specs:

  * Windows Server 2000 SP4

  * .Net Framework 1.1

  * has its own workgroup

   

  This component communicates to an ADAM (AD) server with the following specs:

  * Windows Server 2003 Standard Edition R2 (5.2.3790)

   

  To remove any COM+ complexity, I have created a simple .Net Windows application to test the ADAM calls.

   

  When I call ResetPassword from my XP SP2 machine, it works as does the test from another Windows Server 2003 R2 machine on the domain.

   

  When I move the same binary to the Windows 2000 box, the ResetPassword call DOES NOT work. I have another method called IsValid that takes in a user id and password and validates it in ADAM. IsValid WORKS on the Windows 2000 box.

   

  I raised a call with a Microsoft representative and they have been able to replicate this issue on their environments.

   

  After debugging code, I have observed that the bind to ADAM works. It only breaks when ResetPassword is called and only from Windows 2000.

   

  I have spent close to a week going to and fro with Microsoft and still do not have a resolution.

  I think it could be one of the following:

  - A bug with .Net framework 1.1 on Windows 2000

  - Incorrect code on my part

  - Incorrect setup of ADAM

   

  Here why I think it may be a Microsoft bug:

  - the code WORKS from other non-Windows 2000 machines

  - I am using AD PwdReset code from MSDN (http://msdn.microsoft.com/en-us/library/aa772136.aspx) which has been verified by Microsoft (with a minor tweak, see code below where the invoke arguments are explicitly cast to object)

   

  =========================================================================

  Here is the ResetPassword code:

  Code Snippet

  public Response ResetPassword(User user, string newPassword, bool useSSL) {

  Response response;

  try {

  AuthenticationTypes authTypes = (useSSL ? (AuthenticationTypes.None | AuthenticationTypes.SecureSocketsLayer) :  (AuthenticationTypes.None));

   

    Trace.WriteLine("===============================================================");

    Trace.WriteLine(string.Format("Authentication format is : {0}", authTypes.ToString()));

    Trace.WriteLine("===============================================================");

    Trace.Flush();

   

    // Bind to user object using LDAP port.

    // GetOrgUrl = LDAP://m01:50008/CN=Users,CN=org1

    using (DirectoryEntry entry = new DirectoryEntry(GetOrgUrl(useSSL),

                        _adminUser, _adminPwd, authTypes)) {                                                                  

                                                 

   Trace.WriteLine("===============================================================");

  Trace.WriteLine(string.Format("LDAP Top Level Path for ResetPasswod (SSL) function is: {0}", OrgUrl(useSSL)));

   Trace.WriteLine("===============================================================");

   Trace.Flush();

   entry.RefreshCache();

                                                 

   Trace.WriteLine("===============================================================");

   Trace.WriteLine(string.Format("Successfully bound to: {0}", GetOrgUrl(useSSL)));

   Trace.WriteLine("===============================================================");

   Trace.Flush();

   

  /* Find the user */

  using (DirectorySearcher ds = new DirectorySearcher(entry)) {

  ds.SearchScope = SearchScope.Subtree;

  ds.Filter = "(&(objectclass=*)(cn= " + user.UserName + "))";

  SearchResult sr;                                         

  sr = ds.FindOne();

  if (sr != null) {

  using (DirectoryEntry de = new DirectoryEntry(sr.Path, _adminUser, _adminPwd, authTypes)) {

   

   Trace.WriteLine("===============================================================");

   Trace.WriteLine(string.Format("Binding to user path: {0} using authentication type: {1}",

                                                                     sr.Path, authTypes));

   Trace.WriteLine("===============================================================");

   Trace.Flush();

   

   de.RefreshCache();

   

   Trace.WriteLine("===============================================================");

   Trace.WriteLine("Invoking ResetPassword ...");

   Trace.WriteLine("===============================================================");

   Trace.Flush();

   

  //Reset password throws an exception here while running on Windows Server 2000

  de.Invoke("SetOption", new object[] {(int)ADS_OPTION_PASSWORD_PORTNUMBER, (object)_portNo });                                                                     

  de.Invoke("SetOption", new object[] { (int)ADS_OPTION_PASSWORD_METHOD, (object)ADS_PASSWORD_ENCODE_CLEAR});                                                                          

  de.Invoke("SetPassword", new object[] {newPassword});                                                                       

   

  response = new Response();

  response.IsSuccess = true;

  response.Data = "TRUE";                        

  }}

  else {

  Trace.WriteLine("=======================================================================");

  Trace.WriteLine(string.Format("User {0} not found", user.UserName));

  Trace.WriteLine("=======================================================================");

  Trace.Flush();

  response = new Response();

  response.IsSuccess = false;

  response.FriendlyMessage = string.Format("ResetPassword call failed for user {0}", user.UserName);

  response.Message = string.Format("User {0} does not exist.", user.UserName);

  response.Data = "FALSE";

                                                            }}}}

  catch (System.Reflection.TargetInvocationException tEx) {

    response = GetError(tEx);

    response.FriendlyMessage = string.Format("ResetPassword call failed for user {0}", user.UserName);

    response.Data = "FALSE";

  }

  catch (Exception ex) {

  response = GetError(ex);

  response.FriendlyMessage = string.Format("ResetPassword call failed for user {0}", user.UserName);

  response.Data = "FALSE"; }

  return response; }

   

   

   

  Here is the error message that I get:

   

  ResetPasswordNonSSL() called.

  Response

  ===========

  IsSuccess: False

  Data: FALSE

  Friendly Message:ResetPassword call failed for user user1

   Message: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Runtime.InteropServices.COMException (0x80005008): Exception from HRESULT: 0x80005008.

     --- End of inner exception stack trace ---

     at System.RuntimeType.InvokeDispMethod(String name, BindingFlags invokeAttr, Object target, Object[] args, Boolean[] byrefModifiers, Int32 culture, String[] namedParameters)

     at System.RuntimeType.InvokeMember(String name, BindingFlags invokeAttr, Binder binder, Object target, Object[] args, ParameterModifier[] modifiers, CultureInfo culture, String[] namedParameters)

     at System.Type.InvokeMember(String name, BindingFlags invokeAttr, Binder binder, Object target, Object[] args)

     at System.DirectoryServices.DirectoryEntry.Invoke(String methodName, Object[] args)

     at ADAM.ADAMHelper.ResetPassword(User user, String newPassword, Boolean useSSL)

  Stack Trace:   at System.RuntimeType.InvokeDispMethod(String name, BindingFlags invokeAttr, Object target, Object[] args, Boolean[] byrefModifiers, Int32 culture, String[] namedParameters)

     at System.RuntimeType.InvokeMember(String name, BindingFlags invokeAttr, Binder binder, Object target, Object[] args, ParameterModifier[] modifiers, CultureInfo culture, String[] namedParameters)

     at System.Type.InvokeMember(String name, BindingFlags invokeAttr, Binder binder, Object target, Object[] args)

     at System.DirectoryServices.DirectoryEntry.Invoke(String methodName, Object[] args)

     at ADAM.ADAMHelper.ResetPassword(User user, String newPassword, Boolean useSSL)

  ======================================================================================

  Authentication format is : None

  ======================================================================================

  LDAP Top Level Path for ResetPasswod (SSL) function is: LDAP://m01:50008/CN=Users,CN=org1

  ======================================================================================

  ======================================================================================

  Successfully bound to: LDAP://m01:50008/CN=Users,CN=org1

  ======================================================================================

  ======================================================================================

  Binding to user path: LDAP://m01:50008/CN=user1,CN=Users,CN=org1 using authentication type: None

  ======================================================================================

  ======================================================================================

  Invoking ResetPassword ...

  ======================================================================================

  
   

   

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