/*
|
* 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 2006-2007 Sun Microsystems, Inc.
|
*/
|
package org.opends.server.extensions;
|
|
|
|
import java.security.cert.Certificate;
|
import java.security.cert.X509Certificate;
|
import javax.security.auth.x500.X500Principal;
|
import java.util.concurrent.locks.Lock;
|
|
import org.opends.server.api.CertificateMapper;
|
import org.opends.server.config.ConfigEntry;
|
import org.opends.server.config.ConfigException;
|
import org.opends.server.core.DirectoryServer;
|
import org.opends.server.types.DirectoryException;
|
import org.opends.server.types.DN;
|
import org.opends.server.types.Entry;
|
import org.opends.server.types.InitializationException;
|
import org.opends.server.types.LockManager;
|
import org.opends.server.types.ResultCode;
|
|
import static org.opends.server.loggers.debug.DebugLogger.debugCaught;
|
import static org.opends.server.loggers.debug.DebugLogger.debugEnabled;
|
import org.opends.server.types.DebugLogLevel;
|
import static org.opends.server.messages.ExtensionsMessages.*;
|
import static org.opends.server.messages.MessageHandler.*;
|
import static org.opends.server.util.StaticUtils.*;
|
|
|
|
/**
|
* This class implements a very simple Directory Server certificate mapper that
|
* will map a certificate to a user only if the subject of the peer certificate
|
* exactly matches the DN of a user in the Directory Server.
|
*/
|
public class SubjectEqualsDNCertificateMapper
|
extends CertificateMapper
|
{
|
|
|
|
/**
|
* Creates a new instance of this certificate mapper. Note that all actual
|
* initialization should be done in the
|
* <CODE>initializeCertificateMapper</CODE> method.
|
*/
|
public SubjectEqualsDNCertificateMapper()
|
{
|
super();
|
|
}
|
|
|
|
/**
|
* Initializes this certificate mapper based on the information in the
|
* provided configuration entry.
|
*
|
* @param configEntry The configuration entry that contains the information
|
* to use to initialize this certificate mapper.
|
*
|
* @throws ConfigException If the provided entry does not contain a valid
|
* certificate mapper configuration.
|
*
|
* @throws InitializationException If a problem occurs during initialization
|
* that is not related to the server
|
* configuration.
|
*/
|
public void initializeCertificateMapper(ConfigEntry configEntry)
|
throws ConfigException, InitializationException
|
{
|
// No initialization is required.
|
}
|
|
|
|
/**
|
* Establishes a mapping between the information in the provided certificate
|
* chain to the DN of a single user in the Directory Server.
|
*
|
* @param certificateChain The certificate chain presented by the client
|
* during SSL negotiation. The peer certificate
|
* will be listed first, followed by the ordered
|
* issuer chain as appropriate.
|
*
|
* @return The DN of the one user to whom the mapping was established, or
|
* <CODE>null</CODE> if no mapping was established and no special
|
* message is required to send back to the client.
|
*
|
* @throws DirectoryException If a problem occurred while attempting to
|
* establish the mapping. This may include
|
* internal failures, a mapping which matches
|
* multiple users, or any other case in which an
|
* error message should be returned to the
|
* client.
|
*/
|
public Entry mapCertificateToUser(Certificate[] certificateChain)
|
throws DirectoryException
|
{
|
// Make sure that a peer certificate was provided.
|
if ((certificateChain == null) || (certificateChain.length == 0))
|
{
|
int msgID = MSGID_SEDCM_NO_PEER_CERTIFICATE;
|
String message = getMessage(msgID);
|
throw new DirectoryException(ResultCode.INVALID_CREDENTIALS, message,
|
msgID);
|
}
|
|
|
// Get the first certificate in the chain. It must be an X.509 certificate.
|
X509Certificate peerCertificate;
|
try
|
{
|
peerCertificate = (X509Certificate) certificateChain[0];
|
}
|
catch (Exception e)
|
{
|
if (debugEnabled())
|
{
|
debugCaught(DebugLogLevel.ERROR, e);
|
}
|
|
int msgID = MSGID_SEDCM_PEER_CERT_NOT_X509;
|
String message =
|
getMessage(msgID, String.valueOf(certificateChain[0].getType()));
|
throw new DirectoryException(ResultCode.INVALID_CREDENTIALS, message,
|
msgID);
|
}
|
|
|
// Get the subject from the peer certificate and decode it as a DN.
|
X500Principal peerPrincipal = peerCertificate.getSubjectX500Principal();
|
DN subjectDN;
|
try
|
{
|
subjectDN = DN.decode(peerPrincipal.getName(X500Principal.RFC2253));
|
}
|
catch (Exception e)
|
{
|
if (debugEnabled())
|
{
|
debugCaught(DebugLogLevel.ERROR, e);
|
}
|
|
int msgID = MSGID_SEDCM_CANNOT_DECODE_SUBJECT_AS_DN;
|
String message = getMessage(msgID, String.valueOf(peerPrincipal),
|
stackTraceToSingleLineString(e));
|
throw new DirectoryException(ResultCode.INVALID_CREDENTIALS, message,
|
msgID);
|
}
|
|
|
// Acquire a read lock on the user entry. If this fails, then so will the
|
// certificate mapping.
|
Lock readLock = null;
|
for (int i=0; i < 3; i++)
|
{
|
readLock = LockManager.lockRead(subjectDN);
|
if (readLock != null)
|
{
|
break;
|
}
|
}
|
|
if (readLock == null)
|
{
|
int msgID = MSGID_SEDCM_CANNOT_LOCK_ENTRY;
|
String message = getMessage(msgID, String.valueOf(subjectDN));
|
throw new DirectoryException(ResultCode.INVALID_CREDENTIALS, message,
|
msgID);
|
}
|
|
|
// Retrieve the entry with the specified DN from the directory.
|
Entry userEntry;
|
try
|
{
|
userEntry = DirectoryServer.getEntry(subjectDN);
|
}
|
catch (DirectoryException de)
|
{
|
if (debugEnabled())
|
{
|
debugCaught(DebugLogLevel.ERROR, de);
|
}
|
|
int msgID = MSGID_SEDCM_CANNOT_GET_ENTRY;
|
String message = getMessage(msgID, String.valueOf(subjectDN),
|
de.getErrorMessage());
|
throw new DirectoryException(ResultCode.INVALID_CREDENTIALS, message,
|
msgID, de);
|
}
|
catch (Exception e)
|
{
|
if (debugEnabled())
|
{
|
debugCaught(DebugLogLevel.ERROR, e);
|
}
|
|
int msgID = MSGID_SEDCM_CANNOT_GET_ENTRY;
|
String message = getMessage(msgID, String.valueOf(subjectDN),
|
stackTraceToSingleLineString(e));
|
throw new DirectoryException(ResultCode.INVALID_CREDENTIALS, message,
|
msgID, e);
|
}
|
finally
|
{
|
LockManager.unlock(subjectDN, readLock);
|
}
|
|
|
if (userEntry == null)
|
{
|
int msgID = MSGID_SEDCM_NO_USER_FOR_DN;
|
String message = getMessage(msgID, String.valueOf(subjectDN));
|
throw new DirectoryException(ResultCode.INVALID_CREDENTIALS, message,
|
msgID);
|
}
|
else
|
{
|
return userEntry;
|
}
|
}
|
}
|
