Fix#4296 ECL root DSE entry may contain changelog attribute containing ECL ...

pgamba

19.46.2009 06432bc393ff2f8c824c14c56cec6808af3d5137

Fix#4296 ECL root DSE entry may contain changelog attribute containing ECL base DN

 opends/resource/schema/00-core.ldif

@@ -456,6 +456,13 @@
  SYNTAX 1.3.6.1.4.1.1466.115.121.1.27
  SINGLE-VALUE NO-USER-MODIFICATION USAGE directoryOperation
  X-ORIGIN 'draft-ietf-boreham-numsubordinates' )
attributeTypes: ( 2.16.840.1.113730.3.1.35 NAME 'changelog' 
  DESC 'the distinguished name of the entry which contains
  the set of entries comprising this server's changelog'
  EQUALITY distinguishedNameMatch
  SYNTAX 1.3.6.1.4.1.1466.115.121.1.12
  SINGLE-VALUE NO-USER-MODIFICATION USAGE directoryOperation
  X-ORIGIN 'draft-good-ldap-changelog' )
objectClasses: ( 2.5.6.0 NAME 'top' ABSTRACT MUST objectClass
  X-ORIGIN 'RFC 4512' )
objectClasses: ( 2.5.6.1 NAME 'alias' SUP top STRUCTURAL MUST aliasedObjectName

 opends/src/server/org/opends/server/replication/common/ChangelogBaseDNVirtualAttributeProvider.java

New file
@@ -0,0 +1,172 @@
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at
 * trunk/opends/resource/legal-notices/OpenDS.LICENSE
 * or https://OpenDS.dev.java.net/OpenDS.LICENSE.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at
 * trunk/opends/resource/legal-notices/OpenDS.LICENSE.  If applicable,
 * add the following below this CDDL HEADER, with the fields enclosed
 * by brackets "[]" replaced with your own identifying information:
 *      Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 *
 *
 *      Copyright 2009 Sun Microsystems, Inc.
 */
package org.opends.server.replication.common;

import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import org.opends.messages.Message;
import org.opends.server.admin.server.ConfigurationChangeListener;
import org.opends.server.admin.std.server.UserDefinedVirtualAttributeCfg;
import org.opends.server.api.VirtualAttributeProvider;
import org.opends.server.config.ConfigException;
import org.opends.server.core.SearchOperation;
import org.opends.server.types.AttributeValue;
import org.opends.server.types.AttributeValues;
import org.opends.server.types.ByteString;
import org.opends.server.types.ConfigChangeResult;
import org.opends.server.types.Entry;
import org.opends.server.types.InitializationException;
import org.opends.server.types.ResultCode;
import org.opends.server.types.VirtualAttributeRule;
import org.opends.server.util.ServerConstants;



/**
 * This class implements a virtual attribute provider that specifies the
 * changelog attribute of the root DSE entry that contain the baseDn of the ECL.
 */
public class ChangelogBaseDNVirtualAttributeProvider
       extends VirtualAttributeProvider<UserDefinedVirtualAttributeCfg>
       implements ConfigurationChangeListener<UserDefinedVirtualAttributeCfg>
{
  /**
   * Creates a new instance of this member virtual attribute provider.
   */
  public ChangelogBaseDNVirtualAttributeProvider()
  {
    super();

    // All initialization should be performed in the
    // initializeVirtualAttributeProvider method.
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public void initializeVirtualAttributeProvider(
                            UserDefinedVirtualAttributeCfg configuration)
         throws ConfigException, InitializationException
  {
    // No initialization required
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public void finalizeVirtualAttributeProvider()
  {
    //
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public boolean isMultiValued()
  {
    return false;
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public Set<AttributeValue> getValues(Entry entry,VirtualAttributeRule rule)
  {
    Set<AttributeValue> values = new HashSet<AttributeValue>();
    AttributeValue value =
      AttributeValues.create(
          ByteString.valueOf(ServerConstants.DN_EXTERNAL_CHANGELOG_ROOT),
          ByteString.valueOf(ServerConstants.DN_EXTERNAL_CHANGELOG_ROOT));
    values=Collections.singleton(value);
    return values;
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public boolean isSearchable(VirtualAttributeRule rule,
                              SearchOperation searchOperation)
  {
    // We will not allow searches based only on user-defined virtual attributes.
    return false;
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public void processSearch(VirtualAttributeRule rule,
                            SearchOperation searchOperation)
  {
    searchOperation.setResultCode(ResultCode.UNWILLING_TO_PERFORM);
    return;
  }



  /**
   * {@inheritDoc}
   */
  public boolean isConfigurationChangeAcceptable(
                      UserDefinedVirtualAttributeCfg configuration,
                      List<Message> unacceptableReasons)
  {
    return false;
  }



  /**
   * {@inheritDoc}
   */
  public ConfigChangeResult applyConfigurationChange(
                                 UserDefinedVirtualAttributeCfg configuration)
  {
    return new ConfigChangeResult(ResultCode.OTHER, false);
  }
}


 opends/src/server/org/opends/server/replication/common/FirstChangeNumberVirtualAttributeProvider.java

@@ -45,6 +45,7 @@
import org.opends.server.types.AttributeValues;
import org.opends.server.types.ByteString;
import org.opends.server.types.ConfigChangeResult;
import org.opends.server.types.DN;
import org.opends.server.types.Entry;
import org.opends.server.types.InitializationException;
import org.opends.server.types.ResultCode;
@@ -123,6 +124,10 @@
    String first="0";
    try
    {
      if (!entry.getDN().equals(DN.decode("")))
      {
        return values;
      }
      ECLWorkflowElement eclwe = (ECLWorkflowElement)
      DirectoryServer.getWorkflowElement("EXTERNAL CHANGE LOG");
      if (eclwe!=null)

 opends/src/server/org/opends/server/replication/common/LastChangeNumberVirtualAttributeProvider.java

@@ -45,6 +45,7 @@
import org.opends.server.types.AttributeValues;
import org.opends.server.types.ByteString;
import org.opends.server.types.ConfigChangeResult;
import org.opends.server.types.DN;
import org.opends.server.types.Entry;
import org.opends.server.types.InitializationException;
import org.opends.server.types.ResultCode;
@@ -123,6 +124,10 @@
    String last = "0";
    try
    {
      if (!entry.getDN().equals(DN.decode("")))
      {
        return values;
      }
      ECLWorkflowElement eclwe = (ECLWorkflowElement)
      DirectoryServer.getWorkflowElement("EXTERNAL CHANGE LOG");
      if (eclwe!=null)

 opends/src/server/org/opends/server/replication/server/ReplicationServer.java

@@ -652,13 +652,21 @@
    NetworkGroup internalNetworkGroup = NetworkGroup.getInternalNetworkGroup();
    internalNetworkGroup.registerWorkflow(externalChangeLogWorkflow);

    enableECLVirtualAttr("lastexternalchangelogcookie",
        new LastCookieVirtualProvider());
    enableECLVirtualAttr("firstchangenumber",
        new FirstChangeNumberVirtualAttributeProvider());
    enableECLVirtualAttr("lastchangenumber",
        new LastChangeNumberVirtualAttributeProvider());

    try
    {
      enableECLVirtualAttr("lastexternalchangelogcookie",
          new LastCookieVirtualProvider());
      enableECLVirtualAttr("firstchangenumber",
          new FirstChangeNumberVirtualAttributeProvider());
      enableECLVirtualAttr("lastchangenumber",
          new LastChangeNumberVirtualAttributeProvider());
      enableECLVirtualAttr("changelog",
          new ChangelogBaseDNVirtualAttributeProvider());
    }
    catch (Exception e)
    {
      TRACER.debugCaught(DebugLogLevel.ERROR, e);
    }
  }

  private void enableECLVirtualAttr(String attrName,
@@ -1312,7 +1320,7 @@
    {
      try
      {
        draftCNDbHandler.clear();
        try { draftCNDbHandler.clear(); } catch(Exception e){}
        draftCNDbHandler.shutdown();
        lastGeneratedDraftCN = 0;
        draftCNDbHandler = null;

 opends/tests/unit-tests-testng/src/server/org/opends/server/replication/ExternalChangeLogTest.java

@@ -3292,6 +3292,8 @@
              String.valueOf(expectedFirst));
          checkValue(resultEntry,"lastchangenumber",
              String.valueOf(expectedLast));
          checkValue(resultEntry,"changelog",
              String.valueOf("cn=changelog"));
        }
      }
    }