/*
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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
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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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
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying * 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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* Portions Copyright 2006 Sun Microsystems, Inc.
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*/
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package org.opends.server.extensions;
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import java.io.BufferedWriter;
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import java.io.File;
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import java.io.FileWriter;
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import java.net.InetAddress;
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import java.util.ArrayList;
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import java.util.LinkedList;
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import java.util.List;
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import org.opends.server.api.ClientConnection;
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import org.opends.server.api.ConfigurableComponent;
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import org.opends.server.api.IdentityMapper;
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import org.opends.server.api.SASLMechanismHandler;
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import org.opends.server.config.ConfigAttribute;
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import org.opends.server.config.ConfigEntry;
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import org.opends.server.config.ConfigException;
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import org.opends.server.config.DNConfigAttribute;
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import org.opends.server.config.StringConfigAttribute;
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import org.opends.server.core.BindOperation;
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import org.opends.server.core.DirectoryException;
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import org.opends.server.core.DirectoryServer;
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import org.opends.server.core.InitializationException;
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import org.opends.server.types.AuthenticationInfo;
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import org.opends.server.types.ConfigChangeResult;
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import org.opends.server.types.DN;
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import org.opends.server.types.Entry;
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import org.opends.server.types.ResultCode;
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import static org.opends.server.config.ConfigConstants.*;
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import static org.opends.server.loggers.Debug.*;
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import static org.opends.server.messages.ExtensionsMessages.*;
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import static org.opends.server.messages.MessageHandler.*;
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import static org.opends.server.util.ServerConstants.*;
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import static org.opends.server.util.StaticUtils.*;
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/**
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* This class provides an implementation of a SASL mechanism that authenticates
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* clients through Kerberos over GSSAPI.
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*/
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public class GSSAPISASLMechanismHandler
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extends SASLMechanismHandler
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implements ConfigurableComponent
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{
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/**
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* The fully-qualified name of this class for debugging purposes.
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*/
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private static final String CLASS_NAME =
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"org.opends.server.extensions.GSSAPISASLMechanismHandler";
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// The DN of the configuration entry for this SASL mechanism handler.
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private DN configEntryDN;
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// The DN of the identity mapper configuration entry.
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private DN identityMapperDN;
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// The identity mapper that will be used to map the Kerberos principal to a
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// directory user.
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private IdentityMapper identityMapper;
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// The address of the KDC to use for Kerberos authentication.
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private String kdcAddress;
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// The path to the keytab file to use to obtain the server key.
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private String keyTabFile;
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// The default realm to use for Kerberos authentication.
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private String realm;
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// The fully-qualified DNS name to use for the Directory Server system. This
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// is factored into the authentication process.
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private String serverFQDN;
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/**
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* Creates a new instance of this SASL mechanism handler. No initialization
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* should be done in this method, as it should all be performed in the
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* <CODE>initializeSASLMechanismHandler</CODE> method.
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*/
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public GSSAPISASLMechanismHandler()
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{
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super();
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assert debugConstructor(CLASS_NAME);
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}
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/**
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* Initializes this SASL mechanism handler based on the information in the
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* provided configuration entry. It should also register itself with the
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* Directory Server for the particular kinds of SASL mechanisms that it
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* will process.
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*
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* @param configEntry The configuration entry that contains the information
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* to use to initialize this SASL mechanism handler.
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*
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* @throws ConfigException If an unrecoverable problem arises in the
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* process of performing the initialization.
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*
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* @throws InitializationException If a problem occurs during initialization
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* that is not related to the server
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* configuration.
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*/
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public void initializeSASLMechanismHandler(ConfigEntry configEntry)
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throws ConfigException, InitializationException
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{
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assert debugEnter(CLASS_NAME, "initializeSASLMechanismHandler",
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String.valueOf(configEntry));
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this.configEntryDN = configEntry.getDN();
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// Get the identity mapper that should be used to find users.
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int msgID = MSGID_SASLGSSAPI_DESCRIPTION_IDENTITY_MAPPER_DN;
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DNConfigAttribute mapperStub =
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new DNConfigAttribute(ATTR_IDMAPPER_DN, getMessage(msgID), true, false,
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false);
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try
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{
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DNConfigAttribute mapperAttr =
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(DNConfigAttribute) configEntry.getConfigAttribute(mapperStub);
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if (mapperAttr == null)
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{
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msgID = MSGID_SASLGSSAPI_NO_IDENTITY_MAPPER_ATTR;
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String message = getMessage(msgID, String.valueOf(configEntryDN));
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throw new ConfigException(msgID, message);
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}
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else
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{
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identityMapperDN = mapperAttr.activeValue();
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identityMapper = DirectoryServer.getIdentityMapper(identityMapperDN);
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if (identityMapper == null)
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{
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msgID = MSGID_SASLGSSAPI_NO_SUCH_IDENTITY_MAPPER;
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String message = getMessage(msgID, String.valueOf(identityMapperDN),
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String.valueOf(configEntryDN));
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throw new ConfigException(msgID, message);
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}
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}
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}
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catch (ConfigException ce)
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{
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throw ce;
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}
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catch (Exception e)
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{
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assert debugException(CLASS_NAME, "initializeSASLMechanismHandler", e);
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msgID = MSGID_SASLGSSAPI_CANNOT_GET_IDENTITY_MAPPER;
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String message = getMessage(msgID, String.valueOf(configEntryDN),
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stackTraceToSingleLineString(e));
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throw new InitializationException(msgID, message, e);
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}
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// Determine the fully-qualified hostname for this system. It may be
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// provided, but if not, then try to determine it programmatically.
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msgID = MSGID_SASLGSSAPI_DESCRIPTION_SERVER_FQDN;
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StringConfigAttribute serverFQDNStub =
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new StringConfigAttribute(ATTR_SERVER_FQDN, getMessage(msgID), false,
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false, false);
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try
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{
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StringConfigAttribute serverFQDNAttr =
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(StringConfigAttribute)
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configEntry.getConfigAttribute(serverFQDNStub);
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if (serverFQDNAttr == null)
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{
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// No value was provided, so try to figure it out for ourselves.
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serverFQDN = InetAddress.getLocalHost().getCanonicalHostName();
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}
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else
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{
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serverFQDN = serverFQDNAttr.activeValue();
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}
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}
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catch (Exception e)
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{
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assert debugException(CLASS_NAME, "initializeSASLMechanismHandler", e);
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msgID = MSGID_SASLGSSAPI_CANNOT_GET_SERVER_FQDN;
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String message = getMessage(msgID, String.valueOf(configEntryDN),
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stackTraceToSingleLineString(e));
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throw new InitializationException(msgID, message, e);
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}
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// Determine the address of the KDC to use. If it is not provided, then
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// we'll assume that the underlying OS has a valid config file.
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kdcAddress = null;
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msgID = MSGID_SASLGSSAPI_DESCRIPTION_KDC_ADDRESS;
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StringConfigAttribute kdcStub =
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new StringConfigAttribute(ATTR_GSSAPI_KDC, getMessage(msgID), false,
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false, false);
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try
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{
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StringConfigAttribute kdcAttr =
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(StringConfigAttribute) configEntry.getConfigAttribute(kdcStub);
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if (kdcAttr != null)
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{
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kdcAddress = kdcAttr.activeValue();
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System.setProperty(KRBV_PROPERTY_KDC, kdcAddress);
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}
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}
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catch (Exception e)
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{
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assert debugException(CLASS_NAME, "initializeSASLMechanismHandler", e);
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msgID = MSGID_SASLGSSAPI_CANNOT_GET_KDC_ADDRESS;
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String message = getMessage(msgID, String.valueOf(configEntryDN),
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stackTraceToSingleLineString(e));
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throw new InitializationException(msgID, message, e);
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}
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// Determine the default realm to use. If it is not provided, then we'll
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// assume that the underlying OS has a valid config file.
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realm = null;
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msgID = MSGID_SASLGSSAPI_DESCRIPTION_REALM;
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StringConfigAttribute realmStub =
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new StringConfigAttribute(ATTR_GSSAPI_REALM, getMessage(msgID), false,
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false, false);
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try
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{
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StringConfigAttribute realmAttr =
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(StringConfigAttribute) configEntry.getConfigAttribute(realmStub);
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if (realmAttr != null)
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{
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realm = realmAttr.activeValue();
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System.setProperty(KRBV_PROPERTY_REALM, realm);
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}
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}
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catch (Exception e)
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{
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assert debugException(CLASS_NAME, "initializeSASLMechanismHandler", e);
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msgID = MSGID_SASLGSSAPI_CANNOT_GET_REALM;
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String message = getMessage(msgID, String.valueOf(configEntryDN),
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stackTraceToSingleLineString(e));
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throw new InitializationException(msgID, message, e);
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}
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// Determine the path of the keytab file to use. If it is not provided,
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// then we'll let Java use the system default keytab.
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keyTabFile = null;
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msgID = MSGID_SASLGSSAPI_DESCRIPTION_KEYTAB_FILE;
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StringConfigAttribute keyTabStub =
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new StringConfigAttribute(ATTR_GSSAPI_KEYTAB_FILE, getMessage(msgID),
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false, false, false);
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try
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{
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StringConfigAttribute keyTabAttr =
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(StringConfigAttribute) configEntry.getConfigAttribute(keyTabStub);
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if (keyTabAttr != null)
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{
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keyTabFile = keyTabAttr.activeValue();
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}
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}
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catch (Exception e)
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{
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assert debugException(CLASS_NAME, "initializeSASLMechanismHandler", e);
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msgID = MSGID_SASLGSSAPI_CANNOT_GET_KEYTAB_FILE;
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String message = getMessage(msgID, String.valueOf(configEntryDN),
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stackTraceToSingleLineString(e));
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throw new InitializationException(msgID, message, e);
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}
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// Since we're going to be using JAAS behind the scenes, we need to have a
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// JAAS configuration. Rather than always requiring the user to provide it,
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// we'll write one to a temporary file that will be deleted when the JVM
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// exits.
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String configFileName;
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try
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{
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File tempFile = File.createTempFile("login", "conf");
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configFileName = tempFile.getAbsolutePath();
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tempFile.deleteOnExit();
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BufferedWriter w = new BufferedWriter(new FileWriter(tempFile, false));
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w.write(getClass().getName() + " {");
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w.newLine();
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w.write(" com.sun.security.auth.module.Krb5LoginModule required " +
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"storeKey=true useKeyTab=true ");
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if (keyTabFile != null)
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{
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w.write("keyTab=\"" + keyTabFile + "\" ");
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}
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// FIXME -- Should we add the ability to include "debug=true"?
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// FIXME -- Can we get away from hard-coding a protocol here?
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w.write("principal=\"ldap/" + serverFQDN);
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if (realm != null)
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{
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w.write("@" + realm);
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}
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w.write("\";");
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w.newLine();
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w.write("};");
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w.newLine();
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w.flush();
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w.close();
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}
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catch (Exception e)
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{
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msgID = MSGID_SASLGSSAPI_CANNOT_CREATE_JAAS_CONFIG;
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String message = getMessage(msgID, stackTraceToSingleLineString(e));
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throw new InitializationException(msgID, message, e);
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}
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System.setProperty(JAAS_PROPERTY_CONFIG_FILE, configFileName);
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System.setProperty(JAAS_PROPERTY_SUBJECT_CREDS_ONLY, "false");
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DirectoryServer.registerSASLMechanismHandler(SASL_MECHANISM_GSSAPI, this);
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DirectoryServer.registerConfigurableComponent(this);
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}
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/**
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* Performs any finalization that may be necessary for this SASL mechanism
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* handler.
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*/
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public void finalizeSASLMechanismHandler()
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{
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assert debugEnter(CLASS_NAME, "finalizeSASLMechanismHandler");
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DirectoryServer.deregisterConfigurableComponent(this);
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DirectoryServer.deregisterSASLMechanismHandler(SASL_MECHANISM_GSSAPI);
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}
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/**
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* Processes the provided SASL bind operation. Note that if the SASL
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* processing gets far enough to be able to map the associated request to a
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* user entry (regardless of whether the authentication is ultimately
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* successful), then this method must call the
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* <CODE>BindOperation.setSASLAuthUserEntry</CODE> to provide it with the
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* entry for the user that attempted to authenticate.
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*
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* @param bindOperation The SASL bind operation to be processed.
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*/
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public void processSASLBind(BindOperation bindOperation)
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{
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assert debugEnter(CLASS_NAME, "processSASLBind",
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String.valueOf(bindOperation));
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// GSSAPI binds use multiple stages, so we need to determine whether this is
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// the first stage or a subsequent one. To do that, see if we have SASL
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// state information in the client connection.
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ClientConnection clientConnection = bindOperation.getClientConnection();
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if (clientConnection == null)
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{
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int msgID = MSGID_SASLGSSAPI_NO_CLIENT_CONNECTION;
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String message = getMessage(msgID);
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bindOperation.setAuthFailureReason(msgID, message);
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bindOperation.setResultCode(ResultCode.INVALID_CREDENTIALS);
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return;
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}
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GSSAPIStateInfo stateInfo = null;
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Object saslBindState = clientConnection.getSASLAuthStateInfo();
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if ((saslBindState != null) && (saslBindState instanceof GSSAPIStateInfo))
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{
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stateInfo = (GSSAPIStateInfo) saslBindState;
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}
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else
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{
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try
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{
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stateInfo = new GSSAPIStateInfo(this, bindOperation, serverFQDN);
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}
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catch (InitializationException ie)
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{
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assert debugException(CLASS_NAME, "processSASLBind", ie);
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bindOperation.setAuthFailureReason(ie.getMessageID(), ie.getMessage());
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bindOperation.setResultCode(ResultCode.INVALID_CREDENTIALS);
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clientConnection.setSASLAuthStateInfo(null);
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return;
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}
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}
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stateInfo.setBindOperation(bindOperation);
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stateInfo.processAuthenticationStage();
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if (bindOperation.getResultCode() == ResultCode.SUCCESS)
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{
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// The authentication was successful, so set the proper state information
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// in the client connection and return success.
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DN userDN = stateInfo.getUserEntry().getDN();
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AuthenticationInfo authInfo =
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new AuthenticationInfo(userDN, SASL_MECHANISM_GSSAPI,
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DirectoryServer.isRootDN(userDN));
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clientConnection.setAuthenticationInfo(authInfo);
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bindOperation.setResultCode(ResultCode.SUCCESS);
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// FIXME -- If we're using integrity or confidentiality, then we can't do
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// this.
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clientConnection.setSASLAuthStateInfo(null);
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try
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{
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stateInfo.dispose();
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}
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catch (Exception e)
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{
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assert debugException(CLASS_NAME, "processSASLBind", e);
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}
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}
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else if (bindOperation.getResultCode() == ResultCode.SASL_BIND_IN_PROGRESS)
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{
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// We need to store the SASL auth state with the client connection so we
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// can resume authentication the next time around.
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clientConnection.setSASLAuthStateInfo(stateInfo);
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}
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else
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{
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// The authentication failed. We don't want to keep the SASL state
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// around.
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// FIXME -- Are there other result codes that we need to check for and
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// preserve the auth state?
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clientConnection.setSASLAuthStateInfo(null);
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}
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}
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/**
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* Retrieves the user account for the user associated with the provided
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* authorization ID.
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*
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* @param bindOperation The bind operation from which the provided
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* authorization ID was derived.
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* @param authzID The authorization ID for which to retrieve the
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* associated user.
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*
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* @return The user entry for the user with the specified authorization ID,
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* or <CODE>null</CODE> if none is identified.
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*
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* @throws DirectoryException If a problem occurs while searching the
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* directory for the associated user, or if
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* multiple matching entries are found.
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*/
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public Entry getUserForAuthzID(BindOperation bindOperation, String authzID)
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throws DirectoryException
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{
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assert debugEnter(CLASS_NAME, "getUserForAuthzID",
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String.valueOf(bindOperation), String.valueOf(authzID));
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return identityMapper.getEntryForID(authzID);
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}
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/**
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* Retrieves the DN of the configuration entry with which this component is
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* associated.
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*
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* @return The DN of the configuration entry with which this component is
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* associated.
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*/
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public DN getConfigurableComponentEntryDN()
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{
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assert debugEnter(CLASS_NAME, "getConfigurableComponentEntryDN");
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return configEntryDN;
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}
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|
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/**
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* Retrieves the set of configuration attributes that are associated with this
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* configurable component.
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*
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* @return The set of configuration attributes that are associated with this
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* configurable component.
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*/
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public List<ConfigAttribute> getConfigurationAttributes()
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{
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assert debugEnter(CLASS_NAME, "getConfigurationAttributes");
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LinkedList<ConfigAttribute> attrList = new LinkedList<ConfigAttribute>();
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int msgID = MSGID_SASLGSSAPI_DESCRIPTION_IDENTITY_MAPPER_DN;
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attrList.add(new DNConfigAttribute(ATTR_IDMAPPER_DN, getMessage(msgID),
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true, false, false, identityMapperDN));
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msgID = MSGID_SASLGSSAPI_DESCRIPTION_SERVER_FQDN;
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attrList.add(new StringConfigAttribute(ATTR_SERVER_FQDN, getMessage(msgID),
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false, false, false, serverFQDN));
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msgID = MSGID_SASLGSSAPI_DESCRIPTION_KDC_ADDRESS;
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attrList.add(new StringConfigAttribute(ATTR_GSSAPI_KDC, getMessage(msgID),
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false, false, false, kdcAddress));
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msgID = MSGID_SASLGSSAPI_DESCRIPTION_REALM;
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attrList.add(new StringConfigAttribute(ATTR_GSSAPI_REALM, getMessage(msgID),
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false, false, false, realm));
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return attrList;
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}
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|
|
|
/**
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* Indicates whether the provided configuration entry has an acceptable
|
* configuration for this component. If it does not, then detailed
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* information about the problem(s) should be added to the provided list.
|
*
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* @param configEntry The configuration entry for which to make the
|
* determination.
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* @param unacceptableReasons A list that can be used to hold messages about
|
* why the provided entry does not have an
|
* acceptable configuration.
|
*
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* @return <CODE>true</CODE> if the provided entry has an acceptable
|
* configuration for this component, or <CODE>false</CODE> if not.
|
*/
|
public boolean hasAcceptableConfiguration(ConfigEntry configEntry,
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List<String> unacceptableReasons)
|
{
|
assert debugEnter(CLASS_NAME, "hasAcceptableConfiguration",
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String.valueOf(configEntry), "java.util.List<String>");
|
|
|
// Look at the identity mapper configuration
|
int msgID = MSGID_SASLGSSAPI_DESCRIPTION_IDENTITY_MAPPER_DN;
|
DNConfigAttribute mapperStub =
|
new DNConfigAttribute(ATTR_IDMAPPER_DN, getMessage(msgID), true, false,
|
false);
|
try
|
{
|
DNConfigAttribute mapperAttr =
|
(DNConfigAttribute) configEntry.getConfigAttribute(mapperStub);
|
if (mapperAttr == null)
|
{
|
msgID = MSGID_SASLGSSAPI_NO_IDENTITY_MAPPER_ATTR;
|
String message = getMessage(msgID, String.valueOf(configEntryDN));
|
unacceptableReasons.add(message);
|
return false;
|
}
|
else
|
{
|
DN mapperDN = mapperAttr.activeValue();
|
IdentityMapper mapper =
|
DirectoryServer.getIdentityMapper(mapperDN);
|
if (mapper == null)
|
{
|
msgID = MSGID_SASLGSSAPI_NO_SUCH_IDENTITY_MAPPER;
|
String message = getMessage(msgID, String.valueOf(mapperDN),
|
String.valueOf(configEntryDN));
|
unacceptableReasons.add(message);
|
return false;
|
}
|
}
|
}
|
catch (Exception e)
|
{
|
assert debugException(CLASS_NAME, "initializeSASLMechanismHandler", e);
|
|
msgID = MSGID_SASLGSSAPI_CANNOT_GET_IDENTITY_MAPPER;
|
String message = getMessage(msgID, String.valueOf(configEntryDN),
|
stackTraceToSingleLineString(e));
|
unacceptableReasons.add(message);
|
return false;
|
}
|
|
|
// Look a the server FQDN configuration.
|
msgID = MSGID_SASLGSSAPI_DESCRIPTION_SERVER_FQDN;
|
StringConfigAttribute serverFQDNStub =
|
new StringConfigAttribute(ATTR_SERVER_FQDN, getMessage(msgID), false,
|
false, false);
|
try
|
{
|
StringConfigAttribute serverFQDNAttr =
|
(StringConfigAttribute)
|
configEntry.getConfigAttribute(serverFQDNStub);
|
|
// FIXME -- Should we try to resolve the value if one is provided?
|
}
|
catch (Exception e)
|
{
|
assert debugException(CLASS_NAME, "hasAcceptableConfiguration", e);
|
|
msgID = MSGID_SASLGSSAPI_CANNOT_GET_SERVER_FQDN;
|
unacceptableReasons.add(getMessage(msgID, String.valueOf(configEntryDN),
|
stackTraceToSingleLineString(e)));
|
return false;
|
}
|
|
|
// Look at the KDC configuration.
|
msgID = MSGID_SASLGSSAPI_DESCRIPTION_KDC_ADDRESS;
|
StringConfigAttribute kdcStub =
|
new StringConfigAttribute(ATTR_GSSAPI_KDC, getMessage(msgID), false,
|
false, false);
|
try
|
{
|
StringConfigAttribute kdcAttr =
|
(StringConfigAttribute) configEntry.getConfigAttribute(kdcStub);
|
}
|
catch (Exception e)
|
{
|
assert debugException(CLASS_NAME, "hasAcceptableConfiguration", e);
|
|
msgID = MSGID_SASLGSSAPI_CANNOT_GET_KDC_ADDRESS;
|
unacceptableReasons.add(getMessage(msgID, String.valueOf(configEntryDN),
|
stackTraceToSingleLineString(e)));
|
return false;
|
}
|
|
|
// Look at the realm configuration.
|
msgID = MSGID_SASLGSSAPI_DESCRIPTION_REALM;
|
StringConfigAttribute realmStub =
|
new StringConfigAttribute(ATTR_GSSAPI_REALM, getMessage(msgID), false,
|
false, false);
|
try
|
{
|
StringConfigAttribute realmAttr =
|
(StringConfigAttribute) configEntry.getConfigAttribute(realmStub);
|
}
|
catch (Exception e)
|
{
|
assert debugException(CLASS_NAME, "hasAcceptableConfiguration", e);
|
|
msgID = MSGID_SASLGSSAPI_CANNOT_GET_REALM;
|
unacceptableReasons.add(getMessage(msgID, String.valueOf(configEntryDN),
|
stackTraceToSingleLineString(e)));
|
return false;
|
}
|
|
|
// If we've gotten to this point, then everything must be OK.
|
return true;
|
}
|
|
|
|
/**
|
* Makes a best-effort attempt to apply the configuration contained in the
|
* provided entry. Information about the result of this processing should be
|
* added to the provided message list. Information should always be added to
|
* this list if a configuration change could not be applied. If detailed
|
* results are requested, then information about the changes applied
|
* successfully (and optionally about parameters that were not changed) should
|
* also be included.
|
*
|
* @param configEntry The entry containing the new configuration to
|
* apply for this component.
|
* @param detailedResults Indicates whether detailed information about the
|
* processing should be added to the list.
|
*
|
* @return Information about the result of the configuration update.
|
*/
|
public ConfigChangeResult applyNewConfiguration(ConfigEntry configEntry,
|
boolean detailedResults)
|
{
|
assert debugEnter(CLASS_NAME, "applyNewConfiguration",
|
String.valueOf(configEntry),
|
String.valueOf(detailedResults));
|
|
|
ResultCode resultCode = ResultCode.SUCCESS;
|
boolean adminActionRequired = false;
|
ArrayList<String> messages = new ArrayList<String>();
|
|
|
// Look at the identity mapper configuration
|
DN newIdentityMapperDN = null;
|
IdentityMapper newIdentityMapper = null;
|
int msgID = MSGID_SASLGSSAPI_DESCRIPTION_IDENTITY_MAPPER_DN;
|
DNConfigAttribute mapperStub =
|
new DNConfigAttribute(ATTR_IDMAPPER_DN, getMessage(msgID), true, false,
|
false);
|
try
|
{
|
DNConfigAttribute mapperAttr =
|
(DNConfigAttribute) configEntry.getConfigAttribute(mapperStub);
|
if (mapperAttr == null)
|
{
|
msgID = MSGID_SASLGSSAPI_NO_IDENTITY_MAPPER_ATTR;
|
messages.add(getMessage(msgID, String.valueOf(configEntryDN)));
|
|
if (resultCode == ResultCode.SUCCESS)
|
{
|
resultCode = ResultCode.OBJECTCLASS_VIOLATION;
|
}
|
}
|
else
|
{
|
newIdentityMapperDN = mapperAttr.activeValue();
|
newIdentityMapper =
|
DirectoryServer.getIdentityMapper(newIdentityMapperDN);
|
if (newIdentityMapper == null)
|
{
|
msgID = MSGID_SASLGSSAPI_NO_SUCH_IDENTITY_MAPPER;
|
messages.add(getMessage(msgID, String.valueOf(newIdentityMapperDN),
|
String.valueOf(configEntryDN)));
|
|
if (resultCode == ResultCode.SUCCESS)
|
{
|
resultCode = ResultCode.CONSTRAINT_VIOLATION;
|
}
|
}
|
}
|
}
|
catch (Exception e)
|
{
|
assert debugException(CLASS_NAME, "initializeSASLMechanismHandler", e);
|
|
msgID = MSGID_SASLGSSAPI_CANNOT_GET_IDENTITY_MAPPER;
|
messages.add(getMessage(msgID, String.valueOf(configEntryDN),
|
stackTraceToSingleLineString(e)));
|
|
if (resultCode == ResultCode.SUCCESS)
|
{
|
resultCode = DirectoryServer.getServerErrorResultCode();
|
}
|
}
|
|
|
// Look at the server FQDN configuration.
|
String newServerFQDN = null;
|
msgID = MSGID_SASLGSSAPI_DESCRIPTION_SERVER_FQDN;
|
StringConfigAttribute serverFQDNStub =
|
new StringConfigAttribute(ATTR_SERVER_FQDN, getMessage(msgID), false,
|
false, false);
|
try
|
{
|
StringConfigAttribute serverFQDNAttr =
|
(StringConfigAttribute)
|
configEntry.getConfigAttribute(serverFQDNStub);
|
if (serverFQDNAttr == null)
|
{
|
newServerFQDN = InetAddress.getLocalHost().getCanonicalHostName();
|
}
|
else
|
{
|
newServerFQDN = serverFQDNAttr.pendingValue();
|
}
|
}
|
catch (Exception e)
|
{
|
assert debugException(CLASS_NAME, "applyNewConfiguration", e);
|
|
msgID = MSGID_SASLGSSAPI_CANNOT_GET_SERVER_FQDN;
|
messages.add(getMessage(msgID, String.valueOf(configEntryDN),
|
stackTraceToSingleLineString(e)));
|
|
if (resultCode == ResultCode.SUCCESS)
|
{
|
resultCode = DirectoryServer.getServerErrorResultCode();
|
}
|
}
|
|
|
// Look at the KDC configuration.
|
String newKDC = null;
|
msgID = MSGID_SASLGSSAPI_DESCRIPTION_KDC_ADDRESS;
|
StringConfigAttribute kdcStub =
|
new StringConfigAttribute(ATTR_GSSAPI_KDC, getMessage(msgID), false,
|
false, false);
|
try
|
{
|
StringConfigAttribute kdcAttr =
|
(StringConfigAttribute) configEntry.getConfigAttribute(kdcStub);
|
if (kdcAttr != null)
|
{
|
newKDC = kdcAttr.pendingValue();
|
}
|
}
|
catch (Exception e)
|
{
|
assert debugException(CLASS_NAME, "applyNewConfiguration", e);
|
|
msgID = MSGID_SASLGSSAPI_CANNOT_GET_KDC_ADDRESS;
|
messages.add(getMessage(msgID, String.valueOf(configEntryDN),
|
stackTraceToSingleLineString(e)));
|
|
if (resultCode == ResultCode.SUCCESS)
|
{
|
resultCode = DirectoryServer.getServerErrorResultCode();
|
}
|
}
|
|
|
// Look at the realm configuration.
|
String newRealm = null;
|
msgID = MSGID_SASLGSSAPI_DESCRIPTION_REALM;
|
StringConfigAttribute realmStub =
|
new StringConfigAttribute(ATTR_GSSAPI_REALM, getMessage(msgID), false,
|
false, false);
|
try
|
{
|
StringConfigAttribute realmAttr =
|
(StringConfigAttribute) configEntry.getConfigAttribute(realmStub);
|
if (realmAttr != null)
|
{
|
newRealm = realmAttr.pendingValue();
|
}
|
}
|
catch (Exception e)
|
{
|
assert debugException(CLASS_NAME, "applyNewConfiguration", e);
|
|
msgID = MSGID_SASLGSSAPI_CANNOT_GET_REALM;
|
messages.add(getMessage(msgID, String.valueOf(configEntryDN),
|
stackTraceToSingleLineString(e)));
|
|
if (resultCode == ResultCode.SUCCESS)
|
{
|
resultCode = DirectoryServer.getServerErrorResultCode();
|
}
|
}
|
|
|
// If everything has been successful, then apply any changes that were made.
|
if (resultCode == ResultCode.SUCCESS)
|
{
|
if (! identityMapperDN.equals(newIdentityMapperDN))
|
{
|
identityMapperDN = newIdentityMapperDN;
|
identityMapper = newIdentityMapper;
|
|
if (detailedResults)
|
{
|
msgID = MSGID_SASLGSSAPI_UPDATED_IDENTITY_MAPPER;
|
messages.add(getMessage(msgID, String.valueOf(configEntryDN),
|
String.valueOf(identityMapperDN)));
|
}
|
}
|
|
if (serverFQDN == null)
|
{
|
if (newServerFQDN != null)
|
{
|
serverFQDN = newServerFQDN;
|
|
if (detailedResults)
|
{
|
msgID = MSGID_SASLGSSAPI_UPDATED_NEW_SERVER_FQDN;
|
messages.add(getMessage(msgID, String.valueOf(configEntryDN),
|
String.valueOf(serverFQDN)));
|
}
|
}
|
}
|
else if (newServerFQDN == null)
|
{
|
serverFQDN = null;
|
|
if (detailedResults)
|
{
|
msgID = MSGID_SASLGSSAPI_UPDATED_NO_SERVER_FQDN;
|
messages.add(getMessage(msgID, String.valueOf(configEntryDN)));
|
}
|
}
|
else
|
{
|
if (! serverFQDN.equals(newServerFQDN))
|
{
|
serverFQDN = newServerFQDN;
|
|
if (detailedResults)
|
{
|
msgID = MSGID_SASLGSSAPI_UPDATED_NEW_SERVER_FQDN;
|
messages.add(getMessage(msgID, String.valueOf(configEntryDN),
|
String.valueOf(serverFQDN)));
|
}
|
}
|
}
|
|
if (kdcAddress == null)
|
{
|
if (newKDC != null)
|
{
|
kdcAddress = newKDC;
|
System.setProperty(KRBV_PROPERTY_KDC, kdcAddress);
|
|
if (detailedResults)
|
{
|
msgID = MSGID_SASLGSSAPI_UPDATED_KDC;
|
messages.add(getMessage(msgID, String.valueOf(configEntryDN),
|
String.valueOf(kdcAddress)));
|
}
|
}
|
}
|
else
|
{
|
if (newKDC == null)
|
{
|
kdcAddress = null;
|
System.clearProperty(KRBV_PROPERTY_KDC);
|
|
if (detailedResults)
|
{
|
msgID = MSGID_SASLGSSAPI_UNSET_KDC;
|
messages.add(getMessage(msgID, String.valueOf(configEntryDN)));
|
}
|
}
|
else if (! kdcAddress.equals(newKDC))
|
{
|
kdcAddress = newKDC;
|
System.setProperty(KRBV_PROPERTY_KDC, kdcAddress);
|
|
if (detailedResults)
|
{
|
msgID = MSGID_SASLGSSAPI_UPDATED_KDC;
|
messages.add(getMessage(msgID, String.valueOf(kdcAddress)));
|
}
|
}
|
}
|
|
if (realm == null)
|
{
|
if (newRealm != null)
|
{
|
realm = newRealm;
|
System.setProperty(KRBV_PROPERTY_REALM, realm);
|
|
if (detailedResults)
|
{
|
msgID = MSGID_SASLGSSAPI_UPDATED_REALM;
|
messages.add(getMessage(msgID, String.valueOf(realm)));
|
}
|
}
|
}
|
else
|
{
|
if (newRealm == null)
|
{
|
realm = null;
|
System.clearProperty(KRBV_PROPERTY_REALM);
|
|
if (detailedResults)
|
{
|
msgID = MSGID_SASLGSSAPI_UNSET_REALM;
|
messages.add(getMessage(msgID));
|
}
|
}
|
else if (! realm.equals(newRealm))
|
{
|
realm = newRealm;
|
System.setProperty(KRBV_PROPERTY_REALM, realm);
|
|
if (detailedResults)
|
{
|
msgID = MSGID_SASLGSSAPI_UPDATED_REALM;
|
messages.add(getMessage(msgID, String.valueOf(realm)));
|
}
|
}
|
}
|
}
|
|
|
// Return the result to the caller.
|
return new ConfigChangeResult(resultCode, adminActionRequired, messages);
|
}
|
|
|
|
/**
|
* Indicates whether the specified SASL mechanism is password-based or uses
|
* some other form of credentials (e.g., an SSL client certificate or Kerberos
|
* ticket).
|
*
|
* @param mechanism The name of the mechanism for which to make the
|
* determination. This will only be invoked with names of
|
* mechanisms for which this handler has previously
|
* registered.
|
*
|
* @return <CODE>true</CODE> if this SASL mechanism is password-based, or
|
* <CODE>false</CODE> if it uses some other form of credentials.
|
*/
|
public boolean isPasswordBased(String mechanism)
|
{
|
assert debugEnter(CLASS_NAME, "isPasswordBased", String.valueOf(mechanism));
|
|
// This is not a password-based mechanism.
|
return false;
|
}
|
|
|
|
/**
|
* Indicates whether the specified SASL mechanism should be considered secure
|
* (i.e., it does not expose the authentication credentials in a manner that
|
* is useful to a third-party observer, and other aspects of the
|
* authentication are generally secure).
|
*
|
* @param mechanism The name of the mechanism for which to make the
|
* determination. This will only be invoked with names of
|
* mechanisms for which this handler has previously
|
* registered.
|
*
|
* @return <CODE>true</CODE> if this SASL mechanism should be considered
|
* secure, or <CODE>false</CODE> if not.
|
*/
|
public boolean isSecure(String mechanism)
|
{
|
assert debugEnter(CLASS_NAME, "isSecure", String.valueOf(mechanism));
|
|
// This may be considered a secure mechanism.
|
return true;
|
}
|
}
|