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/******************************************************************************
* The MIT License
* Copyright (c) 2006 Novell Inc. www.novell.com
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the Software), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*******************************************************************************/
//
// Novell.Directory.Ldap.Extensions.BackupRestoreConstants.cs
//
// Author:
// Palaniappan N (NPalaniappan@novell.com)
//
// (C) 2006 Novell, Inc (http://www.novell.com)
//
using System;
using System.IO;
using Novell.Directory.Ldap;
using Novell.Directory.Ldap.Asn1;
/**
*
* This class provides an LDAP interface for object based backup
* of eDirectory objects. The backup API not only get the objects
* but all the DS level attributes associated with the objects.
*
* <p>The information available includes such items as modification timestamp,
* revision,data blob consisting of backup data of any eDirectory Object. The API
* support backing of both non-encrypted and encrypted objects
* </p>
*
* <p>To get information about any eDirectory Object, you must
* create an instance of this class and then call the
* extendedOperation method with this object as the required
* LdapExtendedOperation parameter.</p>
*
* <p>The getLdapBackupRequest extension uses the following OID:<br>
* 2.16.840.1.113719.1.27.100.96</p><br>
*
* <p>The requestValue has the following format:<br>
*
* requestValue ::=<br>
* objectDN LDAPDN<br>
* mts(modification timestamp) INTEGER<br>
* revision INTEGER<br>
* passwd OCTET STRING</p>
*/
namespace Novell.Directory.Ldap.Extensions
{
public class LdapBackupRequest: LdapExtendedOperation
{
static LdapBackupRequest()
{
/*
* Register the extendedresponse class which is returned by the server
* in response to a LdapBackupRequest
*/
try
{
LdapExtendedResponse.register(
BackupRestoreConstants.NLDAP_LDAP_BACKUP_RESPONSE,
Type.GetType("Novell.Directory.Ldap.Extensions.LdapBackupResponse"));
}
catch (TypeLoadException e)
{
Console.Error.WriteLine("Could not register Extended Response - Class not found");
}
catch (Exception e)
{
Console.Error.WriteLine(e.StackTrace);
}
}
/**
*
* Constructs an extended operations object for getting data about any Object.
*
* @param objectDN The DN of the object to be backed up
* <br>
* @param passwd The encrypted password required for the object to
* be backed up
* <br>
* @param stateInfo The state information of the object to backup.
* This parameter is a String which contains combination of modification
* timestamp and revision number of object being backed up. The format
* of both modification time stamp and revision should pertain to eDirectoty
* standard format of taking modification timestamp and revision.
* Separator being used between these two is a '+' character.<br>
*
*
* @exception LdapException A general exception which includes an error
* message and an LDAP error code.
*/
public LdapBackupRequest(String objectDN, byte[] passwd, String stateInfo):
base(BackupRestoreConstants.NLDAP_LDAP_BACKUP_REQUEST, null)
{
int mts; // Modifaction time stamp of the Object
int revision; // Revision number of the Object
String mtsStr, revisionStr;
try
{
if (objectDN == null)
throw new ArgumentException("PARAM_ERROR");
//If encrypted password has null reference make it null String
if(passwd == null)
passwd = System.Text.Encoding.UTF8.GetBytes("");
if (stateInfo == null)
{
// If null reference is passed in stateInfo initialize both
// mts and revision
mts = 0;
revision = 0;
}
else
{
// Parse the passed stateInfo to obtain mts and revision
stateInfo = stateInfo.Trim();
int index = stateInfo.IndexOf('+');
if(index == -1)
throw new ArgumentException("PARAM_ERROR");
mtsStr = stateInfo.Substring(0, index);
revisionStr = stateInfo.Substring(index + 1);
try
{
mts = int.Parse(mtsStr);
}
catch (FormatException e)
{
throw new LdapLocalException("Invalid Modification Timestamp send in the request", LdapException.ENCODING_ERROR);
}
try
{
revision = int.Parse(revisionStr);
}
catch (FormatException e)
{
throw new LdapLocalException(
"Invalid Revision send in the request",
LdapException.ENCODING_ERROR);
}
}
MemoryStream encodedData = new MemoryStream();
LBEREncoder encoder = new LBEREncoder();
// Encode data of objectDN, mts and revision
Asn1OctetString asn1_objectDN = new Asn1OctetString(objectDN);
Asn1Integer asn1_mts = new Asn1Integer(mts);
Asn1Integer asn1_revision = new Asn1Integer(revision);
Asn1OctetString asn1_passwd = new Asn1OctetString(SupportClass.ToSByteArray(passwd));
asn1_objectDN.encode(encoder, encodedData);
asn1_mts.encode(encoder, encodedData);
asn1_revision.encode(encoder, encodedData);
asn1_passwd.encode(encoder, encodedData);
// set the value of operation specific data
setValue(SupportClass.ToSByteArray(encodedData.ToArray()));
}
catch (IOException ioe)
{
throw new LdapException("ENCODING_ERROR", LdapException.ENCODING_ERROR, (String) null);
}
}
}
}
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