/*
|
* The contents of this file are subject to the terms of the Common Development and
|
* Distribution License (the License). You may not use this file except in compliance with the
|
* License.
|
*
|
* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
|
* specific language governing permission and limitations under the License.
|
*
|
* When distributing Covered Software, include this CDDL Header Notice in each file and include
|
* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
|
* Header, with the fields enclosed by brackets [] replaced by your own identifying
|
* information: "Portions Copyright [year] [name of copyright owner]".
|
*
|
* Copyright 2006-2008 Sun Microsystems, Inc.
|
* Portions Copyright 2011-2016 ForgeRock AS.
|
*/
|
package org.opends.server.extensions;
|
|
import static org.opends.messages.ExtensionMessages.*;
|
import static org.opends.server.util.StaticUtils.*;
|
|
import java.io.BufferedReader;
|
import java.io.File;
|
import java.io.FileInputStream;
|
import java.io.FileReader;
|
import java.io.IOException;
|
import java.security.KeyStore;
|
import java.security.KeyStoreException;
|
import java.util.Enumeration;
|
import java.util.List;
|
|
import javax.net.ssl.KeyManager;
|
import javax.net.ssl.KeyManagerFactory;
|
|
import org.forgerock.i18n.LocalizableMessage;
|
import org.forgerock.i18n.LocalizableMessageDescriptor.Arg2;
|
import org.forgerock.i18n.LocalizableMessageDescriptor.Arg3;
|
import org.forgerock.i18n.slf4j.LocalizedLogger;
|
import org.forgerock.opendj.config.server.ConfigChangeResult;
|
import org.forgerock.opendj.config.server.ConfigException;
|
import org.forgerock.opendj.ldap.DN;
|
import org.forgerock.opendj.ldap.ResultCode;
|
import org.forgerock.opendj.config.server.ConfigurationChangeListener;
|
import org.forgerock.opendj.server.config.server.FileBasedKeyManagerProviderCfg;
|
import org.opends.server.api.KeyManagerProvider;
|
import org.opends.server.core.DirectoryServer;
|
import org.opends.server.types.DirectoryException;
|
import org.opends.server.types.InitializationException;
|
|
/**
|
* This class defines a key manager provider that will access keys stored in a
|
* file located on the Directory Server filesystem.
|
*/
|
public class FileBasedKeyManagerProvider
|
extends KeyManagerProvider<FileBasedKeyManagerProviderCfg>
|
implements ConfigurationChangeListener<FileBasedKeyManagerProviderCfg>
|
{
|
private static final LocalizedLogger logger = LocalizedLogger.getLoggerForThisClass();
|
|
/** The configuration for this key manager provider. */
|
private FileBasedKeyManagerProviderCfg currentConfig;
|
|
/** The PIN needed to access the keystore. */
|
private char[] keyStorePIN;
|
/** The path to the key store backing file. */
|
private String keyStoreFile;
|
/** The key store type to use. */
|
private String keyStoreType;
|
|
/**
|
* Creates a new instance of this file-based key manager provider. The
|
* <CODE>initializeKeyManagerProvider</CODE> method must be called on the
|
* resulting object before it may be used.
|
*/
|
public FileBasedKeyManagerProvider()
|
{
|
// No implementation is required.
|
}
|
|
@Override
|
public void initializeKeyManagerProvider(FileBasedKeyManagerProviderCfg cfg)
|
throws ConfigException, InitializationException
|
{
|
final ConfigChangeResult ccr = new ConfigChangeResult();
|
|
currentConfig = cfg;
|
keyStoreFile = getKeyStoreFile(cfg, ccr);
|
keyStoreType = getKeyStoreType(cfg, ccr);
|
keyStorePIN = getKeyStorePIN(cfg, ccr);
|
if (!ccr.getMessages().isEmpty())
|
{
|
throw new InitializationException(ccr.getMessages().get(0));
|
}
|
|
cfg.addFileBasedChangeListener(this);
|
}
|
|
@Override
|
public void finalizeKeyManagerProvider()
|
{
|
currentConfig.removeFileBasedChangeListener(this);
|
}
|
|
@Override
|
public boolean containsKeyWithAlias(String alias)
|
{
|
try
|
{
|
KeyStore keyStore = getKeystore();
|
Enumeration<String> aliases = keyStore.aliases();
|
while (aliases.hasMoreElements())
|
{
|
String theAlias = aliases.nextElement();
|
if (alias.equals(theAlias) && keyStore.entryInstanceOf(alias, KeyStore.PrivateKeyEntry.class))
|
{
|
return true;
|
}
|
}
|
}
|
catch (DirectoryException | KeyStoreException e)
|
{
|
// Ignore.
|
logger.traceException(e);
|
}
|
return false;
|
}
|
|
private KeyStore getKeystore() throws DirectoryException
|
{
|
try
|
{
|
KeyStore keyStore = KeyStore.getInstance(keyStoreType);
|
|
try (FileInputStream inputStream = new FileInputStream(getFileForPath(keyStoreFile)))
|
{
|
keyStore.load(inputStream, keyStorePIN);
|
}
|
return keyStore;
|
}
|
catch (Exception e)
|
{
|
LocalizableMessage message = ERR_FILE_KEYMANAGER_CANNOT_LOAD.get(keyStoreFile, getExceptionMessage(e));
|
throw new DirectoryException(DirectoryServer.getCoreConfigManager().getServerErrorResultCode(), message, e);
|
}
|
}
|
|
@Override
|
public KeyManager[] getKeyManagers() throws DirectoryException
|
{
|
KeyStore keyStore = getKeystore();
|
|
try
|
{
|
if (! findOneKeyEntry(keyStore))
|
{
|
// Troubleshooting message to let now of possible config error
|
logger.error(ERR_NO_KEY_ENTRY_IN_KEYSTORE, keyStoreFile);
|
}
|
|
String keyManagerAlgorithm = KeyManagerFactory.getDefaultAlgorithm();
|
KeyManagerFactory keyManagerFactory = KeyManagerFactory.getInstance(keyManagerAlgorithm);
|
keyManagerFactory.init(keyStore, keyStorePIN);
|
return keyManagerFactory.getKeyManagers();
|
}
|
catch (Exception e)
|
{
|
logger.traceException(e);
|
|
LocalizableMessage message = ERR_FILE_KEYMANAGER_CANNOT_CREATE_FACTORY.get(keyStoreFile, getExceptionMessage(e));
|
throw new DirectoryException(DirectoryServer.getCoreConfigManager().getServerErrorResultCode(), message, e);
|
}
|
}
|
|
@Override
|
public boolean containsAtLeastOneKey()
|
{
|
try
|
{
|
return findOneKeyEntry(getKeystore());
|
}
|
catch (Exception e) {
|
logger.traceException(e);
|
return false;
|
}
|
}
|
|
private boolean findOneKeyEntry(KeyStore keyStore) throws KeyStoreException
|
{
|
Enumeration<String> aliases = keyStore.aliases();
|
while (aliases.hasMoreElements())
|
{
|
String alias = aliases.nextElement();
|
if (keyStore.entryInstanceOf(alias, KeyStore.PrivateKeyEntry.class))
|
{
|
return true;
|
}
|
}
|
return false;
|
}
|
|
@Override
|
public boolean isConfigurationAcceptable(FileBasedKeyManagerProviderCfg cfg,
|
List<LocalizableMessage> unacceptableReasons)
|
{
|
return isConfigurationChangeAcceptable(cfg, unacceptableReasons);
|
}
|
|
@Override
|
public boolean isConfigurationChangeAcceptable(FileBasedKeyManagerProviderCfg cfg,
|
List<LocalizableMessage> unacceptableReasons)
|
{
|
int startSize = unacceptableReasons.size();
|
|
final ConfigChangeResult ccr = new ConfigChangeResult();
|
getKeyStoreFile(cfg, ccr);
|
getKeyStoreType(cfg, ccr);
|
getKeyStorePIN(cfg, ccr);
|
unacceptableReasons.addAll(ccr.getMessages());
|
|
return startSize == unacceptableReasons.size();
|
}
|
|
@Override
|
public ConfigChangeResult applyConfigurationChange(FileBasedKeyManagerProviderCfg cfg)
|
{
|
final ConfigChangeResult ccr = new ConfigChangeResult();
|
String newKeyStoreFile = getKeyStoreFile(cfg, ccr);
|
String newKeyStoreType = getKeyStoreType(cfg, ccr);
|
char[] newPIN = getKeyStorePIN(cfg, ccr);
|
|
if (ccr.getResultCode() == ResultCode.SUCCESS)
|
{
|
currentConfig = cfg;
|
keyStorePIN = newPIN;
|
keyStoreFile = newKeyStoreFile;
|
keyStoreType = newKeyStoreType;
|
}
|
|
return ccr;
|
}
|
|
/** Get the path to the key store file. */
|
private String getKeyStoreFile(FileBasedKeyManagerProviderCfg cfg, ConfigChangeResult ccr)
|
{
|
String keyStoreFile = cfg.getKeyStoreFile();
|
File f = getFileForPath(keyStoreFile);
|
if (!f.exists() || !f.isFile())
|
{
|
ccr.setResultCode(DirectoryServer.getCoreConfigManager().getServerErrorResultCode());
|
ccr.addMessage(ERR_FILE_KEYMANAGER_NO_SUCH_FILE.get(keyStoreFile, cfg.dn()));
|
}
|
return keyStoreFile;
|
}
|
|
/** Get the keystore type. If none is specified, then use the default type. */
|
private String getKeyStoreType(FileBasedKeyManagerProviderCfg cfg, ConfigChangeResult ccr)
|
{
|
if (cfg.getKeyStoreType() != null)
|
{
|
try
|
{
|
KeyStore.getInstance(cfg.getKeyStoreType());
|
return cfg.getKeyStoreType();
|
}
|
catch (KeyStoreException e)
|
{
|
logger.traceException(e);
|
ccr.setResultCode(DirectoryServer.getCoreConfigManager().getServerErrorResultCode());
|
ccr.addMessage(ERR_FILE_KEYMANAGER_INVALID_TYPE.get(cfg.getKeyStoreType(), cfg.dn(), getExceptionMessage(e)));
|
}
|
}
|
return KeyStore.getDefaultType();
|
}
|
|
private char[] getKeyStorePIN(FileBasedKeyManagerProviderCfg cfg, ConfigChangeResult ccr)
|
{
|
try
|
{
|
return getKeyStorePIN(cfg.getKeyStorePinProperty(),
|
cfg.getKeyStorePinEnvironmentVariable(),
|
cfg.getKeyStorePinFile(),
|
cfg.getKeyStorePin(),
|
cfg.dn(),
|
ERR_FILE_KEYMANAGER_PIN_PROPERTY_NOT_SET,
|
ERR_FILE_KEYMANAGER_PIN_ENVAR_NOT_SET,
|
ERR_FILE_KEYMANAGER_PIN_NO_SUCH_FILE,
|
ERR_FILE_KEYMANAGER_PIN_FILE_CANNOT_READ,
|
ERR_FILE_KEYMANAGER_PIN_FILE_EMPTY);
|
}
|
catch (InitializationException e)
|
{
|
ccr.setResultCode(DirectoryServer.getCoreConfigManager().getServerErrorResultCode());
|
ccr.addMessage(e.getMessageObject());
|
return null;
|
}
|
}
|
|
/**
|
* Returns the PIN needed to access the contents of a key store. We will offer several places to look for the PIN,
|
* and we will do so in the following order:
|
* <ol>
|
* <li>In a specified Java property</li>
|
* <li>In a specified environment variable</li>
|
* <li>In a specified file on the server filesystem</li>
|
* <li>As the value of a configuration attribute.</li>
|
* </ol>
|
* In any case, the PIN must be in the clear.
|
* <p>
|
* It is acceptable to have no PIN (OPENDJ-18).
|
*/
|
static char[] getKeyStorePIN(final String pinProperty, final String pinEnvVar, final String pinFileName,
|
final String pinString, final DN cfgDN, final Arg2<Object, Object> propertyNotSetMsg,
|
final Arg2<Object, Object> envVarNotSetMsg, final Arg2<Object, Object> noSuchFileMsg,
|
final Arg3<Object, Object, Object> fileCannotReadMsg,
|
final Arg2<Object, Object> fileEmptyMsg) throws InitializationException
|
{
|
if (pinProperty != null)
|
{
|
final String pin = System.getProperty(pinProperty);
|
if (pin == null)
|
{
|
throw new InitializationException(propertyNotSetMsg.get(pinProperty, cfgDN));
|
}
|
return pin.toCharArray();
|
}
|
|
if (pinEnvVar != null)
|
{
|
final String pin = System.getenv(pinEnvVar);
|
if (pin == null)
|
{
|
throw new InitializationException(envVarNotSetMsg.get(pinEnvVar, cfgDN));
|
}
|
return pin.toCharArray();
|
}
|
|
if (pinFileName != null)
|
{
|
final File pinFile = getFileForPath(pinFileName);
|
if (pinFile.exists())
|
{
|
String pin;
|
try (BufferedReader br = new BufferedReader(new FileReader(pinFile)))
|
{
|
pin = br.readLine();
|
}
|
catch (IOException e)
|
{
|
final LocalizableMessage msg = fileCannotReadMsg.get(pinFileName, cfgDN, getExceptionMessage(e));
|
throw new InitializationException(msg, e);
|
}
|
if (pin == null)
|
{
|
throw new InitializationException(fileEmptyMsg.get(pinFileName, cfgDN));
|
}
|
return pin.toCharArray();
|
}
|
else
|
{
|
throw new InitializationException(noSuchFileMsg.get(pinFileName, cfgDN));
|
}
|
}
|
|
return pinString != null ? pinString.toCharArray() : null;
|
}
|
}
|
