/*
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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 2006-2010 Sun Microsystems, Inc.
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* Portions Copyright 2014-2016 ForgeRock AS.
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*/
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package org.opends.server.protocols.jmx;
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import static org.opends.messages.ProtocolMessages.*;
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import java.util.ArrayList;
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import javax.management.remote.JMXAuthenticator;
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import javax.security.auth.Subject;
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import org.forgerock.i18n.LocalizableMessage;
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import org.forgerock.i18n.slf4j.LocalizedLogger;
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import org.forgerock.opendj.ldap.ByteString;
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import org.forgerock.opendj.ldap.ResultCode;
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import org.opends.messages.CoreMessages;
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import org.opends.server.api.plugin.PluginResult;
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import org.opends.server.core.BindOperationBasis;
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import org.opends.server.core.DirectoryServer;
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import org.opends.server.core.PluginConfigManager;
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import org.opends.server.protocols.ldap.LDAPResultCode;
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import org.opends.server.types.AuthenticationInfo;
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import org.opends.server.types.Control;
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import org.forgerock.opendj.ldap.DN;
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import org.opends.server.types.DisconnectReason;
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import org.opends.server.types.LDAPException;
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import org.opends.server.types.Privilege;
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/**
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* A <code>RMIAuthenticator</code> manages authentication for the secure
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* RMI connectors. It receives authentication requests from clients as a
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* SASL/PLAIN challenge and relies on a SASL server plus the local LDAP
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* authentication accept or reject the user being connected.
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*/
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public class RmiAuthenticator implements JMXAuthenticator
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{
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private static final LocalizedLogger logger = LocalizedLogger.getLoggerForThisClass();
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/**
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* Indicate if the we are in the finalized phase.
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*
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* @see JmxConnectionHandler
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*/
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private boolean finalizedPhase;
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/** The JMX Client connection to be used to perform the bind (auth) call. */
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private JmxConnectionHandler jmxConnectionHandler;
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/**
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* Constructs a <code>RmiAuthenticator</code>.
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*
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* @param jmxConnectionHandler
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* The jmxConnectionHandler associated to this RmiAuthenticator
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*/
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public RmiAuthenticator(JmxConnectionHandler jmxConnectionHandler)
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{
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this.jmxConnectionHandler = jmxConnectionHandler;
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}
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/**
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* Set that we are in the finalized phase.
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*
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* @param finalizedPhase Set to true, it indicates that we are in
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* the finalized phase that that we other connection should be accepted.
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*
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* @see JmxConnectionHandler
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*/
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public synchronized void setFinalizedPhase(boolean finalizedPhase)
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{
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this.finalizedPhase = finalizedPhase;
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}
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/**
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* Authenticates a RMI client. The credentials received are composed of
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* a SASL/PLAIN authentication id and a password.
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*
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* @param credentials
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* the SASL/PLAIN credentials to validate
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* @return a <code>Subject</code> holding the principal(s)
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* authenticated
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*/
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@Override
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public Subject authenticate(Object credentials)
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{
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// If we are in the finalized phase, we should not accept new connection
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if (finalizedPhase
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|| credentials == null)
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{
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throw new SecurityException();
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}
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Object c[] = (Object[]) credentials;
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String authcID = (String) c[0];
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String password = (String) c[1];
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// The authcID is used at forwarder level to identify the calling client
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if (authcID == null)
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{
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logger.trace("User name is Null");
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throw new SecurityException();
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}
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if (password == null)
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{
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logger.trace("User password is Null ");
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throw new SecurityException();
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}
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logger.trace("UserName = %s", authcID);
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// Try to see if we have an Ldap Authentication
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// Which should be the case in the current implementation
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JmxClientConnection jmxClientConnection;
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try
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{
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jmxClientConnection = bind(authcID, password);
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}
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catch (Exception e)
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{
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logger.traceException(e);
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SecurityException se = new SecurityException(e.getMessage());
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throw se;
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}
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// If we've gotten here, then the authentication was successful.
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// We'll take the connection so invoke the post-connect plugins.
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PluginConfigManager pluginManager = DirectoryServer.getPluginConfigManager();
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PluginResult.PostConnect pluginResult = pluginManager.invokePostConnectPlugins(jmxClientConnection);
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if (!pluginResult.continueProcessing())
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{
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jmxClientConnection.disconnect(pluginResult.getDisconnectReason(),
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pluginResult.sendDisconnectNotification(),
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pluginResult.getErrorMessage());
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if (logger.isTraceEnabled())
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{
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logger.trace("Disconnect result from post connect plugins: " +
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"%s: %s ", pluginResult.getDisconnectReason(),
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pluginResult.getErrorMessage());
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}
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throw new SecurityException();
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}
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// initialize a subject
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Subject s = new Subject();
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// Add the Principal. The current implementation doesn't use it
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s.getPrincipals().add(new OpendsJmxPrincipal(authcID));
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// add the connection client object
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// this connection client is used at forwarder level to identify the calling client
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s.getPrivateCredentials().add(new Credential(jmxClientConnection));
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return s;
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}
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/**
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* Process bind operation.
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*
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* @param authcID
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* The LDAP user.
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* @param password
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* The Ldap password associated to the user.
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*/
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private JmxClientConnection bind(String authcID, String password)
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{
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try
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{
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DN.valueOf(authcID);
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}
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catch (Exception e)
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{
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LDAPException ldapEx = new LDAPException(
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LDAPResultCode.INVALID_CREDENTIALS,
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CoreMessages.INFO_RESULT_INVALID_CREDENTIALS.get());
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throw new SecurityException(ldapEx);
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}
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ArrayList<Control> requestControls = new ArrayList<>();
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ByteString bindPW = password != null ? ByteString.valueOfUtf8(password) : null;
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AuthenticationInfo authInfo = new AuthenticationInfo();
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JmxClientConnection jmxClientConnection = new JmxClientConnection(
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jmxConnectionHandler, authInfo);
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BindOperationBasis bindOp = new BindOperationBasis(jmxClientConnection,
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jmxClientConnection.nextOperationID(),
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jmxClientConnection.nextMessageID(), requestControls,
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jmxConnectionHandler.getRMIConnector().getProtocolVersion(),
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ByteString.valueOfUtf8(authcID), bindPW);
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bindOp.run();
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if (bindOp.getResultCode() == ResultCode.SUCCESS)
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{
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logger.trace("User is authenticated");
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authInfo = bindOp.getAuthenticationInfo();
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jmxClientConnection.setAuthenticationInfo(authInfo);
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// Check JMX_READ privilege.
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if (! jmxClientConnection.hasPrivilege(Privilege.JMX_READ, null))
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{
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LocalizableMessage message = ERR_JMX_INSUFFICIENT_PRIVILEGES.get();
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jmxClientConnection.disconnect(DisconnectReason.CONNECTION_REJECTED,
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false, message);
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throw new SecurityException(message.toString());
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}
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return jmxClientConnection;
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}
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else
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{
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// Set the initcause.
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LDAPException ldapEx = new LDAPException(
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LDAPResultCode.INVALID_CREDENTIALS,
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CoreMessages.INFO_RESULT_INVALID_CREDENTIALS.get());
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SecurityException se = new SecurityException("return code: " + bindOp.getResultCode());
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se.initCause(ldapEx);
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throw se;
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}
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}
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}
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