FileBasedKeyManagerProvider.java revision ea1068c292e9b341af6d6b563cd8988a96be20a9
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
* or http://forgerock.org/license/CDDLv1.0.html.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at legal-notices/CDDLv1_0.txt.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
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*
* Copyright 2006-2008 Sun Microsystems, Inc.
* Portions Copyright 2011-2015 ForgeRock AS
*/
package org.opends.server.extensions;
import org.forgerock.i18n.LocalizableMessage;
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.List;
import javax.net.ssl.KeyManager;
import javax.net.ssl.KeyManagerFactory;
import org.opends.server.admin.server.ConfigurationChangeListener;
import org.opends.server.admin.std.server.FileBasedKeyManagerProviderCfg;
import org.opends.server.api.KeyManagerProvider;
import org.forgerock.opendj.config.server.ConfigException;
import org.opends.server.core.DirectoryServer;
import org.forgerock.opendj.config.server.ConfigChangeResult;
import org.opends.server.types.DirectoryException;
import org.opends.server.types.DN;
import org.opends.server.types.InitializationException;
import org.forgerock.opendj.ldap.ResultCode;
import org.forgerock.i18n.slf4j.LocalizedLogger;
import static org.opends.messages.ExtensionMessages.*;
import static org.opends.server.util.StaticUtils.*;
/**
* 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 DN of the configuration entry for this key manager provider.
private DN configEntryDN;
// The PIN needed to access the keystore.
private char[] keyStorePIN;
// The configuration for this key manager provider.
private FileBasedKeyManagerProviderCfg currentConfig;
// 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.
}
/**
* {@inheritDoc}
*/
@Override
public void initializeKeyManagerProvider(
FileBasedKeyManagerProviderCfg configuration)
throws ConfigException, InitializationException {
// Store the DN of the configuration entry and register as a change
// listener.
currentConfig = configuration;
configEntryDN = configuration.dn();
configuration.addFileBasedChangeListener(this);
// Get the path to the key store file.
keyStoreFile = configuration.getKeyStoreFile();
try {
File f = getFileForPath(keyStoreFile);
if (!(f.exists() && f.isFile())) {
throw new InitializationException(ERR_FILE_KEYMANAGER_NO_SUCH_FILE.get(keyStoreFile, configEntryDN));
}
} catch (SecurityException e) {
logger.traceException(e);
LocalizableMessage message = ERR_FILE_KEYMANAGER_CANNOT_DETERMINE_FILE.get(
configEntryDN, getExceptionMessage(e));
throw new InitializationException(message, e);
}
// Get the keystore type. If none is specified, then use the
// default type.
if (configuration.getKeyStoreType() != null) {
try {
KeyStore.getInstance(configuration.getKeyStoreType());
keyStoreType = configuration.getKeyStoreType();
} catch (KeyStoreException kse) {
logger.traceException(kse);
LocalizableMessage message = ERR_FILE_KEYMANAGER_INVALID_TYPE.
get(configuration.getKeyStoreType(), configEntryDN, getExceptionMessage(kse));
throw new InitializationException(message);
}
} else {
keyStoreType = KeyStore.getDefaultType();
}
// Get the PIN needed to access the contents of the keystore file.
//
// We will offer several places to look for the PIN, and we will
// do so in the following order:
//
// - In a specified Java property
// - In a specified environment variable
// - In a specified file on the server filesystem.
// - As the value of a configuration attribute.
//
// In any case, the PIN must be in the clear.
keyStorePIN = null;
if (configuration.getKeyStorePinProperty() != null) {
String propertyName = configuration.getKeyStorePinProperty();
String pinStr = System.getProperty(propertyName);
if (pinStr == null) {
LocalizableMessage message = ERR_FILE_KEYMANAGER_PIN_PROPERTY_NOT_SET.get(
propertyName, configEntryDN);
throw new InitializationException(message);
}
keyStorePIN = pinStr.toCharArray();
} else if (configuration.getKeyStorePinEnvironmentVariable() != null) {
String enVarName = configuration
.getKeyStorePinEnvironmentVariable();
String pinStr = System.getenv(enVarName);
if (pinStr == null) {
LocalizableMessage message = ERR_FILE_KEYMANAGER_PIN_ENVAR_NOT_SET.get(
enVarName, configEntryDN);
throw new InitializationException(message);
}
keyStorePIN = pinStr.toCharArray();
} else if (configuration.getKeyStorePinFile() != null) {
String fileName = configuration.getKeyStorePinFile();
File pinFile = getFileForPath(fileName);
if (!pinFile.exists()) {
LocalizableMessage message = ERR_FILE_KEYMANAGER_PIN_NO_SUCH_FILE.get(
fileName, configEntryDN);
throw new InitializationException(message);
}
String pinStr;
try {
BufferedReader br = new BufferedReader(
new FileReader(pinFile));
pinStr = br.readLine();
br.close();
} catch (IOException ioe) {
LocalizableMessage message = ERR_FILE_KEYMANAGER_PIN_FILE_CANNOT_READ.
get(fileName, configEntryDN, getExceptionMessage(ioe));
throw new InitializationException(message, ioe);
}
if (pinStr == null) {
LocalizableMessage message = ERR_FILE_KEYMANAGER_PIN_FILE_EMPTY.get(fileName, configEntryDN);
throw new InitializationException(message);
}
keyStorePIN = pinStr.toCharArray();
} else if (configuration.getKeyStorePin() != null) {
keyStorePIN = configuration.getKeyStorePin().toCharArray();
}
}
/**
* Performs any finalization that may be necessary for this key
* manager provider.
*/
public void finalizeKeyManagerProvider()
{
currentConfig.removeFileBasedChangeListener(this);
}
/**
* Retrieves a set of <CODE>KeyManager</CODE> objects that may be used for
* interactions requiring access to a key manager.
*
* @return A set of <CODE>KeyManager</CODE> objects that may be used for
* interactions requiring access to a key manager.
*
* @throws DirectoryException If a problem occurs while attempting to obtain
* the set of key managers.
*/
public KeyManager[] getKeyManagers()
throws DirectoryException
{
KeyStore keyStore;
try
{
keyStore = KeyStore.getInstance(keyStoreType);
FileInputStream inputStream =
new FileInputStream(getFileForPath(keyStoreFile));
keyStore.load(inputStream, keyStorePIN);
inputStream.close();
}
catch (Exception e)
{
logger.traceException(e);
LocalizableMessage message = ERR_FILE_KEYMANAGER_CANNOT_LOAD.get(
keyStoreFile, getExceptionMessage(e));
throw new DirectoryException(DirectoryServer.getServerErrorResultCode(),
message, e);
}
try
{
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.getServerErrorResultCode(),
message, e);
}
}
/**
* {@inheritDoc}
*/
@Override
public boolean isConfigurationAcceptable(
FileBasedKeyManagerProviderCfg configuration,
List<LocalizableMessage> unacceptableReasons)
{
return isConfigurationChangeAcceptable(configuration, unacceptableReasons);
}
/**
* {@inheritDoc}
*/
public boolean isConfigurationChangeAcceptable(
FileBasedKeyManagerProviderCfg configuration,
List<LocalizableMessage> unacceptableReasons)
{
boolean configAcceptable = true;
DN cfgEntryDN = configuration.dn();
// Get the path to the key store file.
String newKeyStoreFile = configuration.getKeyStoreFile();
try
{
File f = getFileForPath(newKeyStoreFile);
if (!(f.exists() && f.isFile()))
{
unacceptableReasons.add(ERR_FILE_KEYMANAGER_NO_SUCH_FILE.get(newKeyStoreFile, cfgEntryDN));
configAcceptable = false;
}
}
catch (Exception e)
{
logger.traceException(e);
unacceptableReasons.add(ERR_FILE_KEYMANAGER_CANNOT_DETERMINE_FILE.get(cfgEntryDN, getExceptionMessage(e)));
configAcceptable = false;
}
// Get the keystore type. If none is specified, then use the default type.
if (configuration.getKeyStoreType() != null)
{
try
{
KeyStore.getInstance(configuration.getKeyStoreType());
}
catch (KeyStoreException kse)
{
logger.traceException(kse);
unacceptableReasons.add(ERR_FILE_KEYMANAGER_INVALID_TYPE.get(
configuration.getKeyStoreType(), cfgEntryDN, getExceptionMessage(kse)));
configAcceptable = false;
}
}
// Get the PIN needed to access the contents of the keystore file.
//
// We will offer several places to look for the PIN, and we will
// do so in the following order:
//
// - In a specified Java property
// - In a specified environment variable
// - In a specified file on the server filesystem.
// - As the value of a configuration attribute.
//
// In any case, the PIN must be in the clear.
// It is acceptable to have no PIN (OPENDJ-18)
if (configuration.getKeyStorePinProperty() != null)
{
String propertyName = configuration.getKeyStorePinProperty();
String pinStr = System.getProperty(propertyName);
if (pinStr == null)
{
unacceptableReasons.add(ERR_FILE_KEYMANAGER_PIN_PROPERTY_NOT_SET.get(propertyName, cfgEntryDN));
configAcceptable = false;
}
}
else if (configuration.getKeyStorePinEnvironmentVariable() != null)
{
String enVarName = configuration.getKeyStorePinEnvironmentVariable();
String pinStr = System.getenv(enVarName);
if (pinStr == null)
{
unacceptableReasons.add(ERR_FILE_KEYMANAGER_PIN_ENVAR_NOT_SET.get(enVarName, cfgEntryDN));
configAcceptable = false;
}
}
else if (configuration.getKeyStorePinFile() != null)
{
String fileName = configuration.getKeyStorePinFile();
File pinFile = getFileForPath(fileName);
if (!pinFile.exists())
{
unacceptableReasons.add(ERR_FILE_KEYMANAGER_PIN_NO_SUCH_FILE.get(fileName, cfgEntryDN));
configAcceptable = false;
}
else
{
String pinStr = null;
BufferedReader br = null;
try {
br = new BufferedReader(new FileReader(pinFile));
pinStr = br.readLine();
}
catch (IOException ioe)
{
unacceptableReasons.add(ERR_FILE_KEYMANAGER_PIN_FILE_CANNOT_READ.get(
fileName, cfgEntryDN, getExceptionMessage(ioe)));
configAcceptable = false;
}
finally
{
close(br);
}
if (pinStr == null)
{
unacceptableReasons.add(ERR_FILE_KEYMANAGER_PIN_FILE_EMPTY.get(fileName, cfgEntryDN));
configAcceptable = false;
}
}
}
else if (configuration.getKeyStorePin() != null)
{
String pinStr = configuration.getKeyStorePin();
if (pinStr == null)
{
unacceptableReasons.add(ERR_FILE_KEYMANAGER_CANNOT_DETERMINE_PIN_FROM_ATTR.get(cfgEntryDN, null));
configAcceptable = false;
}
}
return configAcceptable;
}
/**
* {@inheritDoc}
*/
public ConfigChangeResult applyConfigurationChange(
FileBasedKeyManagerProviderCfg configuration)
{
final ConfigChangeResult ccr = new ConfigChangeResult();
// Get the path to the key store file.
String newKeyStoreFile = configuration.getKeyStoreFile();
try
{
File f = getFileForPath(newKeyStoreFile);
if (!(f.exists() && f.isFile()))
{
ccr.setResultCode(DirectoryServer.getServerErrorResultCode());
ccr.addMessage(ERR_FILE_KEYMANAGER_NO_SUCH_FILE.get(newKeyStoreFile, configEntryDN));
}
}
catch (Exception e)
{
logger.traceException(e);
ccr.setResultCode(DirectoryServer.getServerErrorResultCode());
ccr.addMessage(ERR_FILE_KEYMANAGER_CANNOT_DETERMINE_FILE.get(
configEntryDN, getExceptionMessage(e)));
}
// Get the keystore type. If none is specified, then use the default type.
String newKeyStoreType = KeyStore.getDefaultType();
if (configuration.getKeyStoreType() != null)
{
try
{
KeyStore.getInstance(configuration.getKeyStoreType());
newKeyStoreType = configuration.getKeyStoreType();
}
catch (KeyStoreException kse)
{
logger.traceException(kse);
ccr.setResultCode(DirectoryServer.getServerErrorResultCode());
ccr.addMessage(ERR_FILE_KEYMANAGER_INVALID_TYPE.get(
configuration.getKeyStoreType(), configEntryDN, getExceptionMessage(kse)));
}
}
// Get the PIN needed to access the contents of the keystore file.
//
// We will offer several places to look for the PIN, and we will
// do so in the following order:
//
// - In a specified Java property
// - In a specified environment variable
// - In a specified file on the server filesystem.
// - As the value of a configuration attribute.
//
// In any case, the PIN must be in the clear.
char[] newPIN = null;
if (configuration.getKeyStorePinProperty() != null)
{
String propertyName = configuration.getKeyStorePinProperty();
String pinStr = System.getProperty(propertyName);
if (pinStr == null)
{
ccr.setResultCode(DirectoryServer.getServerErrorResultCode());
ccr.addMessage(ERR_FILE_KEYMANAGER_PIN_PROPERTY_NOT_SET.get(
propertyName, configEntryDN));
}
else
{
newPIN = pinStr.toCharArray();
}
}
else if (configuration.getKeyStorePinEnvironmentVariable() != null)
{
String enVarName = configuration.getKeyStorePinEnvironmentVariable();
String pinStr = System.getenv(enVarName);
if (pinStr == null)
{
ccr.setResultCode(DirectoryServer.getServerErrorResultCode());
ccr.addMessage(ERR_FILE_KEYMANAGER_PIN_ENVAR_NOT_SET.get(enVarName, configEntryDN));
}
else
{
newPIN = pinStr.toCharArray();
}
}
else if (configuration.getKeyStorePinFile() != null)
{
String fileName = configuration.getKeyStorePinFile();
File pinFile = getFileForPath(fileName);
if (!pinFile.exists())
{
ccr.setResultCode(DirectoryServer.getServerErrorResultCode());
ccr.addMessage(ERR_FILE_KEYMANAGER_PIN_NO_SUCH_FILE.get(fileName, configEntryDN));
}
else
{
String pinStr = null;
BufferedReader br = null;
try {
br = new BufferedReader(new FileReader(pinFile));
pinStr = br.readLine();
}
catch (IOException ioe)
{
ccr.setResultCode(DirectoryServer.getServerErrorResultCode());
ccr.addMessage(ERR_FILE_KEYMANAGER_PIN_FILE_CANNOT_READ.get(
fileName, configEntryDN, getExceptionMessage(ioe)));
}
finally
{
close(br);
}
if (pinStr == null)
{
ccr.setResultCode(DirectoryServer.getServerErrorResultCode());
ccr.addMessage(ERR_FILE_KEYMANAGER_PIN_FILE_EMPTY.get(fileName, configEntryDN));
}
else
{
newPIN = pinStr.toCharArray();
}
}
}
else if (configuration.getKeyStorePin() != null)
{
newPIN = configuration.getKeyStorePin().toCharArray();
}
if (ccr.getResultCode() == ResultCode.SUCCESS)
{
currentConfig = configuration;
keyStorePIN = newPIN;
keyStoreFile = newKeyStoreFile;
keyStoreType = newKeyStoreType;
}
return ccr;
}
}