/*
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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 2006-2008 Sun Microsystems, Inc.
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* Portions Copyright 2011-2014 ForgeRock AS
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*/
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package org.opends.server.extensions;
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import org.forgerock.i18n.LocalizableMessage;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileReader;
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import java.io.IOException;
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import java.security.KeyStore;
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import java.util.ArrayList;
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import java.util.List;
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import javax.net.ssl.KeyManager;
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import javax.net.ssl.KeyManagerFactory;
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import org.opends.server.admin.server.ConfigurationChangeListener;
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import org.opends.server.admin.std.server.PKCS11KeyManagerProviderCfg;
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import org.opends.server.api.KeyManagerProvider;
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import org.opends.server.config.ConfigException;
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import org.opends.server.core.DirectoryServer;
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import org.opends.server.types.ConfigChangeResult;
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import org.opends.server.types.DirectoryException;
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import org.opends.server.types.DN;
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import org.opends.server.types.InitializationException;
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import org.forgerock.opendj.ldap.ResultCode;
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import org.opends.server.util.StaticUtils;
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import org.forgerock.i18n.slf4j.LocalizedLogger;
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import static org.opends.messages.ExtensionMessages.*;
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import static org.opends.server.util.StaticUtils.*;
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/**
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* This class defines a key manager provider that will access keys stored on a
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* PKCS#11 device. It will use the Java PKCS#11 interface, which may need to be
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* configured on the underlying system.
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*/
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public class PKCS11KeyManagerProvider
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extends KeyManagerProvider<PKCS11KeyManagerProviderCfg>
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implements ConfigurationChangeListener<PKCS11KeyManagerProviderCfg>
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{
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private static final LocalizedLogger logger = LocalizedLogger.getLoggerForThisClass();
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/**
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* The keystore type to use when accessing the PKCS#11 keystore.
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*/
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public static final String PKCS11_KEYSTORE_TYPE = "PKCS11";
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// The DN of the configuration entry for this key manager provider.
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private DN configEntryDN;
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// The PIN needed to access the keystore.
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private char[] keyStorePIN;
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// The current configuration for this key manager provider.
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private PKCS11KeyManagerProviderCfg currentConfig;
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/**
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* Creates a new instance of this PKCS#11 key manager provider. The
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* <CODE>initializeKeyManagerProvider</CODE> method must be called on the
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* resulting object before it may be used.
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*/
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public PKCS11KeyManagerProvider()
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{
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// No implementation is required.
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void initializeKeyManagerProvider(
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PKCS11KeyManagerProviderCfg configuration)
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throws ConfigException, InitializationException
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{
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// Store the DN of the configuration entry and register to be notified of
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// configuration changes.
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currentConfig = configuration;
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configEntryDN = configuration.dn();
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configuration.addPKCS11ChangeListener(this);
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// Get the PIN needed to access the contents of the PKCS#11
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// keystore. We will offer several places to look for the PIN, and
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// we will do so in the following order:
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//
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// - In a specified Java property
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// - In a specified environment variable
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// - In a specified file on the server filesystem.
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// - As the value of a configuration attribute.
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//
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// In any case, the PIN must be in the clear.
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keyStorePIN = null;
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if (configuration.getKeyStorePinProperty() != null) {
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String propertyName = configuration.getKeyStorePinProperty();
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String pinStr = System.getProperty(propertyName);
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if (pinStr == null) {
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LocalizableMessage message = ERR_PKCS11_KEYMANAGER_PIN_PROPERTY_NOT_SET.get(
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propertyName, configEntryDN);
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throw new InitializationException(message);
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}
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keyStorePIN = pinStr.toCharArray();
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} else if (configuration.getKeyStorePinEnvironmentVariable() != null) {
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String enVarName = configuration
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.getKeyStorePinEnvironmentVariable();
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String pinStr = System.getenv(enVarName);
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if (pinStr == null) {
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LocalizableMessage message = ERR_PKCS11_KEYMANAGER_PIN_ENVAR_NOT_SET.get(
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enVarName, configEntryDN);
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throw new InitializationException(message);
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}
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keyStorePIN = pinStr.toCharArray();
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} else if (configuration.getKeyStorePinFile() != null) {
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String fileName = configuration.getKeyStorePinFile();
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File pinFile = getFileForPath(fileName);
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if (!pinFile.exists()) {
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LocalizableMessage message = ERR_PKCS11_KEYMANAGER_PIN_NO_SUCH_FILE.get(fileName, configEntryDN);
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throw new InitializationException(message);
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}
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String pinStr;
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try {
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BufferedReader br = new BufferedReader(
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new FileReader(pinFile));
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pinStr = br.readLine();
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br.close();
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} catch (IOException ioe) {
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logger.traceException(ioe);
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LocalizableMessage message = ERR_PKCS11_KEYMANAGER_PIN_FILE_CANNOT_READ.
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get(fileName, configEntryDN, getExceptionMessage(ioe));
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throw new InitializationException(message, ioe);
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}
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if (pinStr == null) {
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LocalizableMessage message = ERR_PKCS11_KEYMANAGER_PIN_FILE_EMPTY.get(fileName, configEntryDN);
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throw new InitializationException(message);
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}
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keyStorePIN = pinStr.toCharArray();
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} else if (configuration.getKeyStorePin() != null) {
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keyStorePIN = configuration.getKeyStorePin().toCharArray();
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}
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}
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/**
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* Performs any finalization that may be necessary for this key
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* manager provider.
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*/
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public void finalizeKeyManagerProvider()
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{
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currentConfig.removePKCS11ChangeListener(this);
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}
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/**
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* Retrieves a set of <CODE>KeyManager</CODE> objects that may be used for
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* interactions requiring access to a key manager.
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*
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* @return A set of <CODE>KeyManager</CODE> objects that may be used for
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* interactions requiring access to a key manager.
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*
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* @throws DirectoryException If a problem occurs while attempting to obtain
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* the set of key managers.
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*/
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public KeyManager[] getKeyManagers()
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throws DirectoryException
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{
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KeyStore keyStore;
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try
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{
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keyStore = KeyStore.getInstance(PKCS11_KEYSTORE_TYPE);
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keyStore.load(null, keyStorePIN);
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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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LocalizableMessage message =
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ERR_PKCS11_KEYMANAGER_CANNOT_LOAD.get(getExceptionMessage(e));
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throw new DirectoryException(DirectoryServer.getServerErrorResultCode(),
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message, e);
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}
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try
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{
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String keyManagerAlgorithm = KeyManagerFactory.getDefaultAlgorithm();
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KeyManagerFactory keyManagerFactory =
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KeyManagerFactory.getInstance(keyManagerAlgorithm);
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keyManagerFactory.init(keyStore, keyStorePIN);
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return keyManagerFactory.getKeyManagers();
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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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LocalizableMessage message = ERR_PKCS11_KEYMANAGER_CANNOT_CREATE_FACTORY.get(
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getExceptionMessage(e));
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throw new DirectoryException(DirectoryServer.getServerErrorResultCode(),
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message, e);
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}
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}
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/**
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* {@inheritDoc}
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*/
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@Override()
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public boolean isConfigurationAcceptable(
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PKCS11KeyManagerProviderCfg configuration,
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List<LocalizableMessage> unacceptableReasons)
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{
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return isConfigurationChangeAcceptable(configuration, unacceptableReasons);
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}
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/**
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* {@inheritDoc}
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*/
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public boolean isConfigurationChangeAcceptable(
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PKCS11KeyManagerProviderCfg configuration,
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List<LocalizableMessage> unacceptableReasons)
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{
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boolean configAcceptable = true;
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DN cfgEntryDN = configuration.dn();
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// Get the PIN needed to access the contents of the keystore file.
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//
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// We will offer several places to look for the PIN, and we will
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// do so in the following order:
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//
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// - In a specified Java property
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// - In a specified environment variable
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// - In a specified file on the server filesystem.
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// - As the value of a configuration attribute.
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//
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// In any case, the PIN must be in the clear.
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//
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// It is acceptable to have no PIN (OPENDJ-18)
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if (configuration.getKeyStorePinProperty() != null)
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{
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String propertyName = configuration.getKeyStorePinProperty();
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String pinStr = System.getProperty(propertyName);
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if (pinStr == null)
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{
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unacceptableReasons.add(ERR_PKCS11_KEYMANAGER_PIN_PROPERTY_NOT_SET.get(propertyName, cfgEntryDN));
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configAcceptable = false;
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}
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}
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else if (configuration.getKeyStorePinEnvironmentVariable() != null)
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{
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String enVarName = configuration.getKeyStorePinEnvironmentVariable();
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String pinStr = System.getenv(enVarName);
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if (pinStr == null)
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{
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unacceptableReasons.add(ERR_PKCS11_KEYMANAGER_PIN_ENVAR_NOT_SET.get(enVarName, configEntryDN));
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configAcceptable = false;
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}
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}
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else if (configuration.getKeyStorePinFile() != null)
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{
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String fileName = configuration.getKeyStorePinFile();
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File pinFile = getFileForPath(fileName);
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if (!pinFile.exists())
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{
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unacceptableReasons.add(ERR_PKCS11_KEYMANAGER_PIN_NO_SUCH_FILE.get(fileName, configEntryDN));
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configAcceptable = false;
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}
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else
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{
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String pinStr = null;
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BufferedReader br = null;
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try {
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br = new BufferedReader(new FileReader(pinFile));
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pinStr = br.readLine();
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}
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catch (IOException ioe)
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{
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unacceptableReasons.add(
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ERR_PKCS11_KEYMANAGER_PIN_FILE_CANNOT_READ.get(
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fileName, cfgEntryDN, getExceptionMessage(ioe)));
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configAcceptable = false;
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}
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finally
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{
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StaticUtils.close(br);
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}
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if (pinStr == null)
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{
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unacceptableReasons.add(ERR_PKCS11_KEYMANAGER_PIN_FILE_EMPTY.get(fileName, configEntryDN));
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configAcceptable = false;
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}
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}
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}
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else if (configuration.getKeyStorePin() != null)
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{
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String pinStr = configuration.getKeyStorePin();
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if (pinStr == null)
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{
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// We should have a pin from the configuration, but no.
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unacceptableReasons.add(
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ERR_PKCS11_KEYMANAGER_CANNOT_DETERMINE_PIN_FROM_ATTR.get(cfgEntryDN, null));
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configAcceptable = false;
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}
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}
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return configAcceptable;
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}
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/**
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* {@inheritDoc}
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*/
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public ConfigChangeResult applyConfigurationChange(
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PKCS11KeyManagerProviderCfg configuration)
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{
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ResultCode resultCode = ResultCode.SUCCESS;
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boolean adminActionRequired = false;
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ArrayList<LocalizableMessage> messages = new ArrayList<LocalizableMessage>();
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// Get the PIN needed to access the contents of the keystore file.
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//
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// We will offer several places to look for the PIN, and we will
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// do so in the following order:
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//
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// - In a specified Java property
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// - In a specified environment variable
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// - In a specified file on the server filesystem.
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// - As the value of a configuration attribute.
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//
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// In any case, the PIN must be in the clear.
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char[] newPIN = null;
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if (configuration.getKeyStorePinProperty() != null)
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{
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String propertyName = configuration.getKeyStorePinProperty();
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String pinStr = System.getProperty(propertyName);
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if (pinStr == null)
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{
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resultCode = DirectoryServer.getServerErrorResultCode();
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messages.add(ERR_PKCS11_KEYMANAGER_PIN_PROPERTY_NOT_SET.get(propertyName, configEntryDN));
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}
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else
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{
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newPIN = pinStr.toCharArray();
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}
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}
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else if (configuration.getKeyStorePinEnvironmentVariable() != null)
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{
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String enVarName = configuration.getKeyStorePinEnvironmentVariable();
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String pinStr = System.getenv(enVarName);
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if (pinStr == null)
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{
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resultCode = DirectoryServer.getServerErrorResultCode();
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messages.add(ERR_PKCS11_KEYMANAGER_PIN_ENVAR_NOT_SET.get(enVarName, configEntryDN));
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}
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else
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{
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newPIN = pinStr.toCharArray();
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}
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}
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else if (configuration.getKeyStorePinFile() != null)
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{
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String fileName = configuration.getKeyStorePinFile();
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File pinFile = getFileForPath(fileName);
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if (!pinFile.exists())
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{
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resultCode = DirectoryServer.getServerErrorResultCode();
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messages.add(ERR_PKCS11_KEYMANAGER_PIN_NO_SUCH_FILE.get(fileName, configEntryDN));
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}
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else
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{
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String pinStr = null;
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BufferedReader br = null;
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try {
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br = new BufferedReader(new FileReader(pinFile));
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pinStr = br.readLine();
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}
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catch (IOException ioe)
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{
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resultCode = DirectoryServer.getServerErrorResultCode();
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messages.add(ERR_PKCS11_KEYMANAGER_PIN_FILE_CANNOT_READ.get(
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fileName, configEntryDN, getExceptionMessage(ioe)));
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}
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finally
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{
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StaticUtils.close(br);
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}
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if (pinStr == null)
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{
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resultCode = DirectoryServer.getServerErrorResultCode();
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messages.add(ERR_PKCS11_KEYMANAGER_PIN_FILE_EMPTY.get(fileName, configEntryDN));
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}
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else
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{
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newPIN = pinStr.toCharArray();
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}
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}
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}
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else if (configuration.getKeyStorePin() != null)
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{
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newPIN = configuration.getKeyStorePin().toCharArray();
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}
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if (resultCode == ResultCode.SUCCESS)
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{
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currentConfig = configuration;
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keyStorePIN = newPIN;
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}
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return new ConfigChangeResult(resultCode, adminActionRequired, messages);
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}
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}
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