/*
|
* 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
|
* trunk/opends/resource/legal-notices/OpenDS.LICENSE
|
* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
|
* 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
|
* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
|
* add the following below this CDDL HEADER, with the fields enclosed
|
* by brackets "[]" replaced with your own identifying information:
|
* Portions Copyright [yyyy] [name of copyright owner]
|
*
|
* CDDL HEADER END
|
*
|
*
|
* Portions Copyright 2007 Sun Microsystems, Inc.
|
*/
|
package org.opends.server.util;
|
|
|
|
import java.net.Socket;
|
import java.security.Principal;
|
import java.security.PrivateKey;
|
import java.security.cert.X509Certificate;
|
import javax.net.ssl.KeyManager;
|
import javax.net.ssl.SSLEngine;
|
import javax.net.ssl.X509ExtendedKeyManager;
|
import javax.net.ssl.X509KeyManager;
|
|
|
|
/**
|
* This class implements an X.509 key manager that will be used to wrap an
|
* existing key manager and makes it possible to configure which certificate(s)
|
* should be used for client and/or server operations. The certificate
|
* selection will be based on the alias (also called the nickname) of the
|
* certificate.
|
*/
|
public class SelectableCertificateKeyManager
|
extends X509ExtendedKeyManager
|
{
|
// The alias of the certificate that should be selected from the key manager.
|
private String alias;
|
|
// The key manager that is wrapped by this key manager.
|
private X509KeyManager keyManager;
|
|
|
|
/**
|
* Creates a new instance of this key manager that will wrap the provided key
|
* manager and use the certificate with the specified alias.
|
*
|
* @param keyManager The key manager to be wrapped by this key manager.
|
* @param alias The nickname of the certificate that should be
|
* selected for operations involving this key manager.
|
*/
|
public SelectableCertificateKeyManager(X509KeyManager keyManager,
|
String alias)
|
{
|
super();
|
|
this.keyManager = keyManager;
|
this.alias = alias;
|
}
|
|
|
|
/**
|
* Chooses the alias of the client certificate that should be used based on
|
* the provided critieria. This will either return the preferred alias
|
* configured for this key manager, or {@code null} if no client certificate
|
* with that alias is configured in the underlying key manager.
|
*
|
* @param keyType The set of key algorithm names, ordered with the most
|
* preferred key type first.
|
* @param issuers The list of acceptable issuer subject names, or
|
* {@code null} if any issuer may be used.
|
* @param socket The socket to be used for this connection.
|
*
|
* @return The alias configured for this key manager, or {@code null} if no
|
* such client certificate is available with that alias.
|
*/
|
public String chooseClientAlias(String[] keyType, Principal[] issuers,
|
Socket socket)
|
{
|
for (String type : keyType)
|
{
|
String[] clientAliases = keyManager.getClientAliases(type, issuers);
|
if (clientAliases != null)
|
{
|
for (String clientAlias : clientAliases)
|
{
|
if (clientAlias.equals(alias))
|
{
|
return alias;
|
}
|
}
|
}
|
}
|
|
return null;
|
}
|
|
|
|
/**
|
* Chooses the alias of the client certificate that should be used based on
|
* the provided critieria. This will either return the preferred alias
|
* configured for this key manager, or {@code null} if no client certificate
|
* with that alias is configured in the underlying key manager.
|
*
|
* @param keyType The set of key algorithm names, ordered with the most
|
* preferred key type first.
|
* @param issuers The list of acceptable issuer subject names, or
|
* {@code null} if any issuer may be used.
|
* @param engine The SSL engine to be used for this connection.
|
*
|
* @return The alias configured for this key manager, or {@code null} if no
|
* such client certificate is available with that alias.
|
*/
|
public String chooseEngineClientAlias(String[] keyType, Principal[] issuers,
|
SSLEngine engine)
|
{
|
for (String type : keyType)
|
{
|
String[] clientAliases = keyManager.getClientAliases(type, issuers);
|
if (clientAliases != null)
|
{
|
for (String clientAlias : clientAliases)
|
{
|
if (clientAlias.equals(alias))
|
{
|
return alias;
|
}
|
}
|
}
|
}
|
|
return null;
|
}
|
|
|
|
/**
|
* Chooses the alias of the server certificate that should be used based on
|
* the provided critieria. This will either return the preferred alias
|
* configured for this key manager, or {@code null} if no server certificate
|
* with that alias is configured in the underlying key manager.
|
*
|
* @param keyType The public key type for the certificate.
|
* @param issuers The list of acceptable issuer subject names, or
|
* {@code null} if any issuer may be used.
|
* @param socket The socket to be used for this connection.
|
*
|
* @return The alias configured for this key manager, or {@code null} if no
|
* such server certificate is available with that alias.
|
*/
|
public String chooseServerAlias(String keyType, Principal[] issuers,
|
Socket socket)
|
{
|
String[] serverAliases = keyManager.getServerAliases(keyType, issuers);
|
if (serverAliases != null)
|
{
|
for (String serverAlias : serverAliases)
|
{
|
if (serverAlias.equals(alias))
|
{
|
return alias;
|
}
|
}
|
}
|
|
return null;
|
}
|
|
|
|
/**
|
* Chooses the alias of the server certificate that should be used based on
|
* the provided critieria. This will either return the preferred alias
|
* configured for this key manager, or {@code null} if no server certificate
|
* with that alias is configured in the underlying key manager.
|
*
|
* @param keyType The public key type for the certificate.
|
* @param issuers The list of acceptable issuer subject names, or
|
* {@code null} if any issuer may be used.
|
* @param engine The SSL engine to be used for this connection.
|
*
|
* @return The alias configured for this key manager, or {@code null} if no
|
* such server certificate is available with that alias.
|
*/
|
public String chooseEngineServerAlias(String keyType, Principal[] issuers,
|
SSLEngine engine)
|
{
|
String[] serverAliases = keyManager.getServerAliases(keyType, issuers);
|
if (serverAliases != null)
|
{
|
for (String serverAlias : serverAliases)
|
{
|
if (serverAlias.equals(alias))
|
{
|
return alias;
|
}
|
}
|
}
|
|
return null;
|
}
|
|
|
|
/**
|
* Retrieves the certificate chain for the provided alias.
|
*
|
* @param alias The alias for the certificate chain to retrieve.
|
*
|
* @return The certificate chain for the provided alias, or {@code null} if
|
* no certificate is associated with the provided alias.
|
*/
|
public X509Certificate[] getCertificateChain(String alias)
|
{
|
return keyManager.getCertificateChain(alias);
|
}
|
|
|
|
/**
|
* Retrieves the set of certificate aliases that may be used for client
|
* authentication with the given public key type and set of issuers.
|
*
|
* @param keyType The public key type for the aliases to retrieve.
|
* @param issuers The list of acceptable issuer subject names, or
|
* {@code null} if any issuer may be used.
|
*
|
* @return The set of certificate aliases that may be used for client
|
* authentication with the given public key type and set of issuers,
|
* or {@code null} if there were none.
|
*/
|
public String[] getClientAliases(String keyType, Principal[] issuers)
|
{
|
return keyManager.getClientAliases(keyType, issuers);
|
}
|
|
|
|
/**
|
* Retrieves the private key for the provided alias.
|
*
|
* @param alias The alias for the private key to return.
|
*
|
* @return The private key for the provided alias, or {@code null} if no
|
* private key is available for the provided alias.
|
*/
|
public PrivateKey getPrivateKey(String alias)
|
{
|
return keyManager.getPrivateKey(alias);
|
}
|
|
|
|
/**
|
* Retrieves the set of certificate aliases that may be used for server
|
* authentication with the given public key type and set of issuers.
|
*
|
* @param keyType The public key type for the aliases to retrieve.
|
* @param issuers The list of acceptable issuer subject names, or
|
* {@code null} if any issuer may be used.
|
*
|
* @return The set of certificate aliases that may be used for server
|
* authentication with the given public key type and set of issuers,
|
* or {@code null} if there were none.
|
*/
|
public String[] getServerAliases(String keyType, Principal[] issuers)
|
{
|
return keyManager.getServerAliases(keyType, issuers);
|
}
|
|
|
|
/**
|
* Wraps the provided set of key managers in selectable certificate key
|
* managers using the provided alias.
|
*
|
* @param keyManagers The set of key managers to be wrapped.
|
* @param alias The alias to use for selecting the desired
|
* certificate.
|
*
|
* @return A key manager array
|
*/
|
public static X509ExtendedKeyManager[] wrap(KeyManager[] keyManagers,
|
String alias)
|
{
|
X509ExtendedKeyManager[] newKeyManagers =
|
new X509ExtendedKeyManager[keyManagers.length];
|
for (int i=0; i < keyManagers.length; i++)
|
{
|
newKeyManagers[i] = new SelectableCertificateKeyManager(
|
(X509KeyManager) keyManagers[i], alias);
|
}
|
|
return newKeyManagers;
|
}
|
}
|
