/*
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* The contents of this file are subject to the terms of the Common Development and
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* Distribution License (the License). You may not use this file except in compliance with the
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* License.
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*
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* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
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* specific language governing permission and limitations under the License.
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*
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* When distributing Covered Software, include this CDDL Header Notice in each file and include
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* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
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* Header, with the fields enclosed by brackets [] replaced by your own identifying
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* information: "Portions Copyright [year] [name of copyright owner]".
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*
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* Copyright 2006-2008 Sun Microsystems, Inc.
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* Portions Copyright 2012-2016 ForgeRock AS.
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*/
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package org.opends.server.admin;
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import static org.opends.server.protocols.internal.Requests.*;
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import java.net.InetAddress;
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import java.util.LinkedList;
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import java.util.List;
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import org.forgerock.i18n.slf4j.LocalizedLogger;
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import org.forgerock.opendj.ldap.DN;
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import org.forgerock.opendj.ldap.ModificationType;
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import org.forgerock.opendj.ldap.ResultCode;
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import org.forgerock.opendj.ldap.SearchScope;
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import org.forgerock.opendj.ldap.schema.AttributeType;
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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.internal.Requests;
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import org.opends.server.protocols.internal.SearchRequest;
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import org.opends.server.types.Attribute;
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import org.opends.server.types.Attributes;
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import org.opends.server.types.Entry;
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import org.opends.server.types.Modification;
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import org.opends.server.types.SearchResultEntry;
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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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private static final LocalizedLogger logger = LocalizedLogger.getLoggerForThisClass();
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/** The root connection. */
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private InternalClientConnection internalConnection;
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/** The attribute name used to store the port. TODO Use the default one. */
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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 synchronize configuration and the 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 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 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", 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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AttributeType attrType1 = DirectoryServer.getAttributeType("adminport");
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AttributeType attrType2 = DirectoryServer.getAttributeType("adminEnabled");
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LinkedList<Modification> mods = new LinkedList<>();
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mods.add(new Modification(ModificationType.REPLACE, Attributes.create(attrType1, adminPort)));
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mods.add(new Modification(ModificationType.REPLACE, Attributes.create(attrType2, "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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// Get the LDAP and LDAPS port
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String ldapPort = getAttr("cn=LDAP Connection Handler,cn=Connection Handlers,cn=config", LDAP_PORT);
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String ldapsPort = getAttr("cn=LDAPS Connection Handler,cn=Connection Handlers,cn=config", LDAP_PORT);
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boolean ldapsPortEnable = false;
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String val = getAttr("cn=LDAPS Connection Handler,cn=Connection Handlers,cn=config", "ds-cfg-enabled");
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if (val != null)
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{
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ldapsPortEnable = "true".equalsIgnoreCase(val);
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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 = 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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SearchRequest request = newSearchRequest(DN.valueOf("cn=Servers,cn=admin data"), SearchScope.SINGLE_LEVEL);
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InternalSearchOperation op = internalConnection.processSearch(request);
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if (op.getResultCode() == ResultCode.SUCCESS)
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{
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Entry entry = findSameHostAndPort(op.getSearchEntries(), hostName, ldapPort, ldapsPortEnable, ldapsPort);
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if (entry != null)
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{
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return entry.getName();
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}
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}
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return null;
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}
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private Entry findSameHostAndPort(LinkedList<SearchResultEntry> searchResultEntries,
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String hostName, String ldapPort, boolean ldapsPortEnable, String ldapsPort)
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{
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for (Entry currentEntry : searchResultEntries)
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{
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String currentHostname = currentEntry.parseAttribute("hostname").asString();
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try
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{
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String currentIPAddress = InetAddress.getByName(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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String currentport = currentEntry.parseAttribute("ldapport").asString();
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if (currentport.equals(ldapPort))
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{
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return currentEntry;
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}
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if (ldapsPortEnable)
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{
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currentport = currentEntry.parseAttribute("ldapsport").asString();
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if (currentport.equals(ldapsPort))
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{
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return currentEntry;
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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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return null;
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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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SearchRequest request = Requests.newSearchRequest(DN.valueOf(baseDN), SearchScope.BASE_OBJECT)
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.addAttribute(attrName);
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InternalSearchOperation search = internalConnection.processSearch(request);
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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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// Read the port from the PORT attribute
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LinkedList<SearchResultEntry> result = search.getSearchEntries();
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if (!result.isEmpty())
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{
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SearchResultEntry adminConnectorEntry = result.getFirst();
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AttributeType attrType = DirectoryServer.getAttributeType(attrName);
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List<Attribute> attrs = adminConnectorEntry.getAttribute(attrType);
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if (!attrs.isEmpty())
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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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// Can not happen. Best effort.
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// TODO Log an Error.
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return null;
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}
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}
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