126 lines
4.4 KiB
Java
126 lines
4.4 KiB
Java
/*
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* Copyright (c) 2010, 2011, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.security.sasl.ntlm;
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import java.util.Map;
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import javax.security.sasl.*;
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import javax.security.auth.callback.CallbackHandler;
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import com.sun.security.sasl.util.PolicyUtils;
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/**
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* Client and server factory for NTLM SASL client/server mechanisms.
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* See NTLMClient and NTLMServer for input requirements.
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*
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* @since 1.7
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*/
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public final class FactoryImpl implements SaslClientFactory,
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SaslServerFactory{
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private static final String myMechs[] = { "NTLM" };
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private static final int mechPolicies[] = {
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PolicyUtils.NOPLAINTEXT|PolicyUtils.NOANONYMOUS
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};
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/**
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* Empty constructor.
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*/
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public FactoryImpl() {
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}
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/**
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* Returns a new instance of the NTLM SASL client mechanism.
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* Argument checks are performed in SaslClient's constructor.
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* @return a new SaslClient; otherwise null if unsuccessful.
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* @throws SaslException If there is an error creating the NTLM
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* SASL client.
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*/
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public SaslClient createSaslClient(String[] mechs,
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String authorizationId, String protocol, String serverName,
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Map<String,?> props, CallbackHandler cbh)
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throws SaslException {
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for (int i=0; i<mechs.length; i++) {
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if (mechs[i].equals("NTLM") &&
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PolicyUtils.checkPolicy(mechPolicies[0], props)) {
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if (cbh == null) {
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throw new SaslException(
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"Callback handler with support for " +
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"RealmCallback, NameCallback, and PasswordCallback " +
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"required");
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}
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return new NTLMClient(mechs[i], authorizationId,
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protocol, serverName, props, cbh);
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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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* Returns a new instance of the NTLM SASL server mechanism.
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* Argument checks are performed in SaslServer's constructor.
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* @return a new SaslServer; otherwise null if unsuccessful.
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* @throws SaslException If there is an error creating the NTLM
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* SASL server.
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*/
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public SaslServer createSaslServer(String mech,
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String protocol, String serverName, Map<String,?> props, CallbackHandler cbh)
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throws SaslException {
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if (mech.equals("NTLM") &&
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PolicyUtils.checkPolicy(mechPolicies[0], props)) {
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if (props != null) {
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String qop = (String)props.get(Sasl.QOP);
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if (qop != null && !qop.equals("auth")) {
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throw new SaslException("NTLM only support auth");
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}
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}
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if (cbh == null) {
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throw new SaslException(
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"Callback handler with support for " +
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"RealmCallback, NameCallback, and PasswordCallback " +
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"required");
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}
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return new NTLMServer(mech, protocol, serverName, props, cbh);
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}
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return null;
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}
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/**
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* Returns the authentication mechanisms that this factory can produce.
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*
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* @return String[] {"NTLM"} if policies in env match those of this
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* factory.
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*/
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public String[] getMechanismNames(Map<String,?> env) {
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return PolicyUtils.filterMechs(myMechs, mechPolicies, env);
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}
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}
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