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/* * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.sun.security.sasl.ntlm; import java.util.Map; import javax.security.sasl.*;import javax.security.auth.callback.CallbackHandler; import com.sun.security.sasl.util.PolicyUtils;  /**  * Client and server factory for NTLM SASL client/server mechanisms.  * See NTLMClient and NTLMServer for input requirements.  *  * @since 1.7  */ public final class FactoryImpl implements SaslClientFactory,SaslServerFactory{     private static final String myMechs[] = { "NTLM" };    private static final int mechPolicies[] = {            PolicyUtils.NOPLAINTEXT|PolicyUtils.NOANONYMOUS    };     /**      * Empty constructor.      */    public FactoryImpl() {    }     /**     * Returns a new instance of the NTLM SASL client mechanism.     * Argument checks are performed in SaslClient's constructor.     * @returns a new SaslClient ; otherwise null if unsuccessful.     * @throws SaslException If there is an error creating the NTLM     * SASL client.     */    public SaslClient createSaslClient(String[] mechs,         String authorizationId, String protocol, String serverName,         Map<String,?> props, CallbackHandler cbh)         throws SaslException {          for (int i=0; i<mechs.length; i++) {            if (mechs[i].equals("NTLM") &&                    PolicyUtils.checkPolicy(mechPolicies[0], props)) {                 return new NTLMClient(mechs[i], authorizationId,                    protocol, serverName, props, cbh);            }        }        return null;    }     /**     * Returns a new instance of the NTLM SASL server mechanism.     * Argument checks are performed in SaslServer's constructor.     * @returns a new SaslServer ; otherwise null if unsuccessful.     * @throws SaslException If there is an error creating the NTLM     * SASL server.     */    public SaslServer createSaslServer(String mech,         String protocol, String serverName, Map<String,?> props, CallbackHandler cbh)         throws SaslException {          if (mech.equals("NTLM") &&                 PolicyUtils.checkPolicy(mechPolicies[0], props)) {             if (props != null) {                 String qop = (String)props.get(Sasl.QOP);                 if (qop != null && !qop.equals("auth")) {                     throw new SaslException("NTLM only support auth");                 }             }             if (cbh == null) {                 throw new SaslException(                        "Callback handler with support for AuthorizeCallback, "+                        "RealmCallback, NameCallback, and PasswordCallback " +                        "required");             }             return new NTLMServer(mech, protocol, serverName, props, cbh);         }         return null;    }     /**      * Returns the authentication mechanisms that this factory can produce.      *      * @returns String[] {"NTLM"} if policies in env match those of this      * factory.      */    public String[] getMechanismNames(Map<String,?> env) {        return PolicyUtils.filterMechs(myMechs, mechPolicies, env);    }}