/*
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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 legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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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 legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* 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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* Copyright 2010 Sun Microsystems, Inc.
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* Portions copyright 2011-2013 ForgeRock AS
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*/
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package org.forgerock.opendj.ldap.requests;
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import static com.forgerock.opendj.util.StaticUtils.copyOfBytes;
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import static org.forgerock.opendj.ldap.ErrorResultException.newErrorResult;
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import javax.security.auth.callback.NameCallback;
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import javax.security.auth.callback.PasswordCallback;
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import javax.security.auth.callback.UnsupportedCallbackException;
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import javax.security.sasl.Sasl;
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import javax.security.sasl.SaslClient;
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import javax.security.sasl.SaslException;
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import org.forgerock.opendj.ldap.ByteString;
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import org.forgerock.opendj.ldap.ErrorResultException;
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import org.forgerock.opendj.ldap.ResultCode;
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import org.forgerock.opendj.ldap.responses.BindResult;
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import org.forgerock.opendj.ldap.responses.Responses;
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import com.forgerock.opendj.util.StaticUtils;
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import com.forgerock.opendj.util.Validator;
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/**
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* CRAM-MD5 SASL bind request implementation.
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*/
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final class CRAMMD5SASLBindRequestImpl extends AbstractSASLBindRequest<CRAMMD5SASLBindRequest>
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implements CRAMMD5SASLBindRequest {
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private final static class Client extends SASLBindClientImpl {
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private final String authenticationID;
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private final ByteString password;
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private final SaslClient saslClient;
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private Client(final CRAMMD5SASLBindRequestImpl initialBindRequest, final String serverName)
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throws ErrorResultException {
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super(initialBindRequest);
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this.authenticationID = initialBindRequest.getAuthenticationID();
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this.password = ByteString.wrap(initialBindRequest.getPassword());
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try {
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saslClient =
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Sasl.createSaslClient(new String[] { SASL_MECHANISM_NAME }, null,
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SASL_DEFAULT_PROTOCOL, serverName, null, this);
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if (saslClient.hasInitialResponse()) {
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setNextSASLCredentials(saslClient.evaluateChallenge(new byte[0]));
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} else {
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setNextSASLCredentials((ByteString) null);
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}
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} catch (final SaslException e) {
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throw newErrorResult(ResultCode.CLIENT_SIDE_LOCAL_ERROR, e);
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}
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}
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@Override
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public void dispose() {
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try {
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saslClient.dispose();
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} catch (final SaslException ignored) {
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// Ignore the SASL exception.
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}
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}
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@Override
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public boolean evaluateResult(final BindResult result) throws ErrorResultException {
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if (saslClient.isComplete()) {
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return true;
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}
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try {
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setNextSASLCredentials(saslClient.evaluateChallenge(result
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.getServerSASLCredentials() == null ? new byte[0] : result
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.getServerSASLCredentials().toByteArray()));
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return saslClient.isComplete();
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} catch (final SaslException e) {
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// FIXME: I18N need to have a better error message.
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// FIXME: Is this the best result code?
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throw ErrorResultException.newErrorResult(Responses.newResult(
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ResultCode.CLIENT_SIDE_LOCAL_ERROR).setDiagnosticMessage(
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"An error occurred during multi-stage authentication").setCause(e));
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}
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}
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@Override
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void handle(final NameCallback callback) throws UnsupportedCallbackException {
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callback.setName(authenticationID);
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}
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@Override
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void handle(final PasswordCallback callback) throws UnsupportedCallbackException {
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callback.setPassword(password.toString().toCharArray());
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}
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}
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private String authenticationID;
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private byte[] password;
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CRAMMD5SASLBindRequestImpl(final CRAMMD5SASLBindRequest cramMD5SASLBindRequest) {
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super(cramMD5SASLBindRequest);
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this.authenticationID = cramMD5SASLBindRequest.getAuthenticationID();
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this.password = copyOfBytes(cramMD5SASLBindRequest.getPassword());
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}
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CRAMMD5SASLBindRequestImpl(final String authenticationID, final byte[] password) {
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Validator.ensureNotNull(authenticationID, password);
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this.authenticationID = authenticationID;
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this.password = password;
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}
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@Override
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public BindClient createBindClient(final String serverName) throws ErrorResultException {
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return new Client(this, serverName);
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}
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@Override
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public String getAuthenticationID() {
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return authenticationID;
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}
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@Override
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public byte[] getPassword() {
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return password;
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}
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@Override
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public String getSASLMechanism() {
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return SASL_MECHANISM_NAME;
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}
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@Override
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public CRAMMD5SASLBindRequest setAuthenticationID(final String authenticationID) {
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Validator.ensureNotNull(authenticationID);
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this.authenticationID = authenticationID;
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return this;
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}
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@Override
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public CRAMMD5SASLBindRequest setPassword(final byte[] password) {
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Validator.ensureNotNull(password);
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this.password = password;
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return this;
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}
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@Override
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public CRAMMD5SASLBindRequest setPassword(final char[] password) {
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Validator.ensureNotNull(password);
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this.password = StaticUtils.getBytes(password);
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return this;
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}
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@Override
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public String toString() {
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final StringBuilder builder = new StringBuilder();
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builder.append("CRAMMD5SASLBindRequest(bindDN=");
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builder.append(getName());
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builder.append(", authentication=SASL");
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builder.append(", saslMechanism=");
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builder.append(getSASLMechanism());
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builder.append(", authenticationID=");
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builder.append(authenticationID);
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builder.append(", controls=");
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builder.append(getControls());
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builder.append(")");
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return builder.toString();
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}
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}
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