/*
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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
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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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
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying 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 2008-2009 Sun Microsystems, Inc.
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*/
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package org.opends.admin.ads.util;
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import java.net.Socket;
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import java.security.KeyStore;
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import java.security.KeyStoreException;
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import java.security.NoSuchAlgorithmException;
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import java.security.NoSuchProviderException;
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import java.security.Principal;
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import java.security.PrivateKey;
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import java.security.UnrecoverableKeyException;
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import java.security.cert.X509Certificate;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import javax.net.ssl.KeyManager;
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import javax.net.ssl.KeyManagerFactory;
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import javax.net.ssl.TrustManagerFactory;
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import javax.net.ssl.X509KeyManager;
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/**
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* This class is in charge of checking whether the certificates that are
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* presented are trusted or not.
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* This implementation tries to check also that the subject DN of the
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* certificate corresponds to the host passed using the setHostName method.
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*
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* The constructor tries to use a default TrustManager from the system and if
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* it cannot be retrieved this class will only accept the certificates
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* explicitly accepted by the user (and specified by calling acceptCertificate).
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*
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* NOTE: this class is not aimed to be used when we have connections in paralel.
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*/
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public class ApplicationKeyManager implements X509KeyManager
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{
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static private final Logger LOG =
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Logger.getLogger(ApplicationKeyManager.class.getName());
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/**
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* The default keyManager.
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*/
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private X509KeyManager keyManager = null ;
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/**
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* The default constructor.
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* @param keystore The keystore to use for this keymanager.
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* @param password The keystore password to use for this keymanager.
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*/
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public ApplicationKeyManager(KeyStore keystore, char[] password)
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{
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KeyManagerFactory kmf = null;
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String userSpecifiedAlgo =
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System.getProperty("org.opends.admin.keymanageralgo");
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String userSpecifiedProvider =
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System.getProperty("org.opends.admin.keymanagerprovider");
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LOG.log(Level.INFO, "User specified algo: "+userSpecifiedAlgo);
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LOG.log(Level.INFO, "User specified provider: "+userSpecifiedProvider);
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// Have some fallbacks to choose the provider and algorith of the key
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// manager. First see if the user wanted to use something specific,
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// then try with the SunJSSE provider and SunX509 algorithm. Finally,
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// fallback to the default algorithm of the JVM.
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String[] preferredProvider =
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{
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userSpecifiedProvider,
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"SunJSSE",
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null,
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null
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};
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String[] preferredAlgo =
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{
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userSpecifiedAlgo,
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"SunX509",
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"SunX509",
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TrustManagerFactory.getDefaultAlgorithm()
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};
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for (int i=0; i<preferredProvider.length && keyManager == null; i++)
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{
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String provider = preferredProvider[i];
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String algo = preferredAlgo[i];
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if (algo == null)
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{
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continue;
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}
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try
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{
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if (provider != null)
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{
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kmf = KeyManagerFactory.getInstance(algo, provider);
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}
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else
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{
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kmf = KeyManagerFactory.getInstance(algo);
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}
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kmf.init(keystore, password);
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KeyManager kms[] = kmf.getKeyManagers();
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/*
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* Iterate over the returned keymanagers, look for an instance
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* of X509KeyManager. If found, use that as our "default" key
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* manager.
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*/
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for (int j = 0; j < kms.length; j++)
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{
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if (kms[i] instanceof X509KeyManager)
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{
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keyManager = (X509KeyManager) kms[j];
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break;
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}
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}
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}
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catch (NoSuchAlgorithmException e)
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{
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// Nothing to do. Maybe we should avoid this and be strict, but we are
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// in a best effor mode.
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LOG.log(Level.WARNING, "Error with the algorithm", e);
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}
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catch (KeyStoreException e)
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{
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// Nothing to do. Maybe we should avoid this and be strict, but we are
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// in a best effor mode..
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LOG.log(Level.WARNING, "Error with the keystore", e);
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}
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catch (UnrecoverableKeyException e)
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{
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// Nothing to do. Maybe we should avoid this and be strict, but we are
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// in a best effor mode.
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LOG.log(Level.WARNING, "Error with the key", e);
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}
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catch (NoSuchProviderException e)
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{
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// Nothing to do. Maybe we should avoid this and be strict, but we are
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// in a best effor mode.
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LOG.log(Level.WARNING, "Error with the provider", e);
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}
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}
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}
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/**
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* Choose an alias to authenticate the client side of a secure
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* socket given the public key type and the list of certificate
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* issuer authorities recognized by the peer (if any).
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*
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* @param keyType
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* the key algorithm type name(s), ordered with the
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* most-preferred key type first.
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* @param issuers
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* the list of acceptable CA issuer subject names or null
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* if it does not matter which issuers are used.
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* @param socket
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* the socket to be used for this connection. This
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* parameter can be null, in which case this method will
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* return the most generic alias to use.
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* @return the alias name for the desired key, or null if there are
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* no matches.
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*/
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public String chooseClientAlias(String[] keyType, Principal[] issuers,
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Socket socket)
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{
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if (keyManager != null)
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{
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return keyManager.chooseClientAlias(keyType, issuers, socket);
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}
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else
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{
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return null ;
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}
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}
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/**
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* Choose an alias to authenticate the client side of a secure
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* socket given the public key type and the list of certificate
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* issuer authorities recognized by the peer (if any).
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*
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* @param keyType
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* the key algorithm type name(s), ordered with the
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* most-preferred key type first.
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* @param issuers
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* the list of acceptable CA issuer subject names or null
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* if it does not matter which issuers are used.
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* @param socket
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* the socket to be used for this connection. This
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* parameter can be null, in which case this method will
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* return the most generic alias to use.
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* @return the alias name for the desired key, or null if there are
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* no matches.
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*/
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public String chooseServerAlias(String keyType, Principal[] issuers,
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Socket socket)
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{
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if (keyManager != null)
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{
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return keyManager.chooseServerAlias(keyType, issuers, socket);
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}
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else
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{
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return null;
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}
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}
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/**
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* Returns the certificate chain associated with the given alias.
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*
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* @param alias
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* the alias name
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* @return the certificate chain (ordered with the user's
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* certificate first and the root certificate authority
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* last), or null if the alias can't be found.
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*/
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public X509Certificate[] getCertificateChain(String alias)
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{
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if (keyManager != null)
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{
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return keyManager.getCertificateChain(alias);
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}
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else
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{
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return null;
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}
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}
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/**
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* Get the matching aliases for authenticating the server side of a
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* secure socket given the public key type and the list of
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* certificate issuer authorities recognized by the peer (if any).
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*
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* @param keyType
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* the key algorithm type name
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* @param issuers
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* the list of acceptable CA issuer subject names or null
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* if it does not matter which issuers are used.
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* @return an array of the matching alias names, or null if there
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* were no matches.
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*/
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public String[] getClientAliases(String keyType, Principal[] issuers)
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{
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if (keyManager != null)
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{
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return keyManager.getClientAliases(keyType, issuers);
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}
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else
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{
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return null;
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}
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}
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/**
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* Returns the key associated with the given alias.
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*
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* @param alias
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* the alias name
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* @return the requested key, or null if the alias can't be found.
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*/
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public PrivateKey getPrivateKey(String alias)
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{
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if (keyManager != null)
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{
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return keyManager.getPrivateKey(alias);
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}
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else
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{
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return null;
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}
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}
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/**
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* Get the matching aliases for authenticating the server side of a
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* secure socket given the public key type and the list of
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* certificate issuer authorities recognized by the peer (if any).
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*
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* @param keyType
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* the key algorithm type name
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* @param issuers
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* the list of acceptable CA issuer subject names or null
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* if it does not matter which issuers are used.
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* @return an array of the matching alias names, or null if there
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* were no matches.
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*/
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public String[] getServerAliases(String keyType, Principal[] issuers)
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{
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if (keyManager != null)
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{
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return keyManager.getServerAliases(keyType, issuers);
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}
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else
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{
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return null;
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}
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}
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}
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