/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2006-2008 Sun Microsystems, Inc.
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* Portions Copyright 2012-2014 ForgeRock AS
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*/
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package org.opends.server.admin;
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import java.util.LinkedHashSet;
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import java.util.LinkedList;
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import java.util.List;
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import org.opends.server.core.DirectoryServer;
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import org.opends.server.protocols.internal.InternalClientConnection;
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import org.opends.server.protocols.internal.InternalSearchOperation;
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import org.opends.server.protocols.ldap.LDAPFilter;
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import org.opends.server.schema.DirectoryStringSyntax;
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import org.opends.server.types.Attribute;
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import org.opends.server.types.AttributeType;
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import org.opends.server.types.Attributes;
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import org.forgerock.opendj.ldap.ByteString;
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import org.opends.server.types.DN;
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import org.opends.server.types.DereferencePolicy;
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import org.opends.server.types.DirectoryException;
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import org.opends.server.types.Entry;
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import org.opends.server.types.LDAPException;
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import org.opends.server.types.Modification;
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import org.forgerock.opendj.ldap.ModificationType;
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import org.opends.server.types.ResultCode;
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import org.opends.server.types.SearchResultEntry;
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import org.forgerock.opendj.ldap.SearchScope;
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/**
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* Check if information found in "cn=admin data" is coherent with
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* cn=config. If and inconsistency is detected, we log a warning
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* message and update "cn=admin data"
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*/
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public final class AdministrationDataSync
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{
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/**
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* The root connection.
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*/
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private InternalClientConnection internalConnection;
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/**
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* The attribute name used to store the port. TODO Use the default
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* one.
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*/
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private static final String LDAP_PORT = "ds-cfg-listen-port";
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/**
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* Create an object that will syncrhonize configuration and the
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* admin data.
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*
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* @param internalConnection
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* The root connection.
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*/
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public AdministrationDataSync(InternalClientConnection internalConnection)
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{
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this.internalConnection = internalConnection;
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}
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/**
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* Check if information found in "cn=admin data" is coherent with
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* cn=config. If and inconsistancy is detected, we log a warning
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* message and update "cn=admin data"
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*/
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public void synchronize()
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{
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// Check if the admin connector is in sync
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checkAdminConnector();
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}
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/**
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* Check if the admin connector is in sync. The desynchronization
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* could occurs after the upgrade from 1.0.
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*/
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private void checkAdminConnector()
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{
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// Look for the server registration in "cn=admin data"
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DN serverEntryDN = searchServerEntry();
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if (serverEntryDN == null)
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{
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// Nothing to do
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return;
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}
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// Get the admin port
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String adminPort = getAttr("cn=Administration Connector,cn=config",
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LDAP_PORT);
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if (adminPort == null)
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{
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// best effort.
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return;
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}
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LinkedList<Modification> mods = new LinkedList<Modification>();
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// adminport
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String attName = "adminport";
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AttributeType attrType = DirectoryServer.getAttributeType(attName
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.toLowerCase());
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if (attrType == null)
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{
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attrType = DirectoryServer.getDefaultAttributeType(attName.toLowerCase());
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}
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mods.add(new Modification(ModificationType.REPLACE, Attributes.create(
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attrType, adminPort)));
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// adminEnabled
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attName = "adminEnabled";
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attrType = DirectoryServer.getAttributeType(attName.toLowerCase());
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if (attrType == null)
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{
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attrType = DirectoryServer.getDefaultAttributeType(attName.toLowerCase());
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}
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mods.add(new Modification(ModificationType.REPLACE, Attributes.create(
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attrType, "true")));
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// Process modification
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internalConnection.processModify(serverEntryDN, mods);
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}
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/**
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* Look for the DN of the local register server. Assumption: default
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* Connection Handler naming is used.
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*
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* @return The DN of the local register server or null.
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*/
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private DN searchServerEntry()
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{
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DN returnDN = null;
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// Get the LDAP and LDAPS port
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String ldapPort = getAttr(
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"cn=LDAP Connection Handler,cn=Connection Handlers,cn=config",
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LDAP_PORT);
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String ldapsPort = getAttr(
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"cn=LDAPS Connection Handler,cn=Connection Handlers,cn=config",
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LDAP_PORT);
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boolean ldapsPortEnable = false;
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String val = getAttr(
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"cn=LDAPS Connection Handler,cn=Connection Handlers,cn=config",
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"ds-cfg-enabled");
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if (val != null)
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{
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ldapsPortEnable = val.toLowerCase().equals("true");
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}
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if ((ldapPort == null) && (ldapsPort == null))
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{
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// best effort (see assumption)
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return null;
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}
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// Get the IP address of the local host.
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String hostName;
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try
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{
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hostName = java.net.InetAddress.getLocalHost().getCanonicalHostName();
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}
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catch (Throwable t)
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{
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// best effort.
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return null;
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}
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// Look for a local server with the Ldap Port.
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String attrName = "hostname";
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AttributeType hostnameType = DirectoryServer.getAttributeType(attrName);
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if (hostnameType == null)
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{
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hostnameType = DirectoryServer.getDefaultAttributeType(attrName);
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}
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try
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{
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InternalSearchOperation op = internalConnection.processSearch(
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"cn=Servers,cn=admin data",
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SearchScope.SINGLE_LEVEL, "objectclass=*");
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if (op.getResultCode() == ResultCode.SUCCESS)
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{
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Entry entry = null;
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for (Entry currentEntry : op.getSearchEntries())
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{
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String currentHostname = currentEntry.getAttributeValue(hostnameType,
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DirectoryStringSyntax.DECODER);
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try
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{
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String currentIPAddress = java.net.InetAddress.getByName(
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currentHostname).getCanonicalHostName();
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if (currentIPAddress.equals(hostName))
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{
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// Check if one of the port match
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attrName = "ldapport";
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AttributeType portType = DirectoryServer
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.getAttributeType(attrName);
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if (portType == null)
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{
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portType = DirectoryServer.getDefaultAttributeType(attrName);
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}
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String currentport = currentEntry.getAttributeValue(portType,
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DirectoryStringSyntax.DECODER);
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if (currentport.equals(ldapPort))
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{
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entry = currentEntry;
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break;
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}
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if (ldapsPortEnable)
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{
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attrName = "ldapsport";
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portType = DirectoryServer.getAttributeType(attrName);
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if (portType == null)
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{
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portType = DirectoryServer.getDefaultAttributeType(attrName);
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}
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currentport = currentEntry.getAttributeValue(portType,
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DirectoryStringSyntax.DECODER);
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if (currentport.equals(ldapsPort))
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{
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entry = currentEntry;
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break;
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}
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}
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}
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}
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catch (Exception e)
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{
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// best effort.
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continue;
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}
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}
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if (entry != null)
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{
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returnDN = entry.getName();
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}
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}
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}
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catch (DirectoryException e)
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{
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// never happens because the filter is always valid.
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return null;
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}
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return returnDN;
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}
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/**
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* Gets an attribute value from an entry.
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*
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* @param DN
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* The DN of the entry.
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* @param attrName
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* The attribute name.
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* @return The attribute value or {@code null} if the value could
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* not be retrieved.
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*/
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private String getAttr(String baseDN, String attrName)
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{
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// Prepare the ldap search
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LDAPFilter filter;
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try
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{
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filter = LDAPFilter.decode("objectclass=*");
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}
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catch (LDAPException e)
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{
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// can not happen
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// best effort.
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// TODO Log an Error.
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return null;
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}
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LinkedHashSet<String> attributes = new LinkedHashSet<String>(1);
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attributes.add(attrName);
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InternalSearchOperation search = internalConnection.processSearch(
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ByteString.valueOf(baseDN), SearchScope.BASE_OBJECT,
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DereferencePolicy.DEREF_ALWAYS, 0, 0, false, filter, attributes);
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if ((search.getResultCode() != ResultCode.SUCCESS))
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{
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// can not happen
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// best effort.
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// TODO Log an Error.
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return null;
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}
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SearchResultEntry adminConnectorEntry = null;
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/*
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* Read the port from the PORT attribute
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*/
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LinkedList<SearchResultEntry> result = search.getSearchEntries();
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if (!result.isEmpty())
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{
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adminConnectorEntry = result.getFirst();
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}
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AttributeType attrType = DirectoryServer.getAttributeType(attrName);
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if (attrType == null)
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{
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attrType = DirectoryServer.getDefaultAttributeType(attrName);
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}
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List<Attribute> attrs = adminConnectorEntry.getAttribute(attrType);
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if (attrs == null)
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{
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// can not happen
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// best effort.
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// TODO Log an Error.
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return null;
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}
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// Get the attribute value
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return attrs.get(0).iterator().next().toString();
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}
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}
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