mcs/class/Novell.Directory.Ldap/Novell.Directory.Ldap/LdapBindHandler.cs

   1 /******************************************************************************
   2 * The MIT License
   3 * Copyright (c) 2003 Novell Inc.  www.novell.com
   4 *
   5 * Permission is hereby granted, free of charge, to any person obtaining  a copy
   6 * of this software and associated documentation files (the Software), to deal
   7 * in the Software without restriction, including  without limitation the rights
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   9 * copies of the Software, and to  permit persons to whom the Software is
  10 * furnished to do so, subject to the following conditions:
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  12 * The above copyright notice and this permission notice shall be included in
  13 * all copies or substantial portions of the Software.
  14 *
  15 * THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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  20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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  22 *******************************************************************************/
  23 //
  24 // Novell.Directory.Ldap.LdapBindHandler.cs
  25 //
  26 // Author:
  27 //   Sunil Kumar (Sunilk@novell.com)
  28 //
  29 // (C) 2003 Novell, Inc (http://www.novell.com)
  30 //
  31
  32 using System;
  33 namespace Novell.Directory.Ldap
  34 {
  35
  36         /// <summary>
  37         /// Used to do explicit bind processing on a referral.
  38         ///
  39         /// This interface allows a programmer to override the default
  40         /// authentication and reauthentication behavior when automatically
  41         /// following referrals and search references. It is used to control the
  42         /// authentication mechanism used on automatic referral following.
  43         ///
  44         /// A client can specify an instance of this class to be used
  45         /// on a single operation (through the LdapConstraints object)
  46         /// or for all operations (through the LdapContraints object
  47         /// associated with the connection).
  48         ///
  49         ///
  50         /// </summary>
  51         /// <seealso cref="LdapAuthHandler">
  52         /// </seealso>
  53         /// <seealso cref="LdapConstraints.ReferralFollowing">
  54         /// </seealso>
  55         public interface LdapBindHandler : LdapReferralHandler
  56                 {
  57
  58                         /// <summary> Called by LdapConnection when a referral is received.
  59                         ///
  60                         /// This method has the responsibility to bind to one of the
  61                         /// hosts in the list specified by the ldaprul parameter which corresponds
  62                         /// exactly to the list of hosts returned in a single referral response.
  63                         /// An implementation may access the host, port, credentials, and other
  64                         /// information in the original LdapConnection object to decide on an
  65                         /// appropriate authentication mechanism, and/or interact with a user or
  66                         /// external module. The object implementing LdapBind creates a new
  67                         /// LdapConnection object to perform its connect and bind calls.  It
  68                         /// returns the new connection when both the connect and bind operations
  69                         /// succeed on one host from the list.  The LdapConnection object referral
  70                         /// following code uses the new LdapConnection object when it resends the
  71                         /// search request, updated with the new search base and possible search
  72                         /// filter. An LdapException is thrown on failure, as in the
  73                         /// LdapConnection.bind method.
  74                         ///
  75                         /// </summary>
  76                         /// <param name="ldapurl">The list of servers contained in a referral response.
  77                         /// </param>
  78                         /// <param name="conn">   An established connection to an Ldap server.
  79                         ///
  80                         /// </param>
  81                         /// <returns>       An established connection to one of the ldap servers
  82                         /// in the referral list.
  83                         ///
  84                         /// </returns>
  85                         /// <exception>  LdapReferralException An LdapreferralException is thrown
  86                         /// with appropriate fields set to give the reason for the failure.
  87                         /// </exception>
  88                         LdapConnection Bind(System.String[] ldapurl, LdapConnection conn);
  89                 }
  90 }