/*
* 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/nasutekds/resource/legal-notices/NasuTekDS.LICENSE
* or https://NasuTekDS.dev.java.net/NasuTekDS.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/nasutekds/resource/legal-notices/NasuTekDS.LICENSE. If applicable,
* add the following below this CDDL HEADER, with the fields enclosed
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* Portions Copyright [yyyy] [name of copyright owner]
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*
*
* Copyright 2008-2010 Sun Microsystems, Inc.
*/
package org.nasutekds.server.crypto;
import org.nasutekds.server.api.Backend;
import org.nasutekds.server.api.BackendInitializationListener;
import org.nasutekds.server.api.ChangeNotificationListener;
import org.nasutekds.server.loggers.debug.DebugTracer;
import static org.nasutekds.server.loggers.debug.DebugLogger.debugEnabled;
import static org.nasutekds.server.loggers.debug.DebugLogger.getTracer;
import org.nasutekds.server.loggers.ErrorLogger;
import org.nasutekds.server.types.*;
import org.nasutekds.server.types.operation.PostResponseAddOperation;
import org.nasutekds.server.types.operation.PostResponseDeleteOperation;
import org.nasutekds.server.types.operation.PostResponseModifyOperation;
import org.nasutekds.server.types.operation.PostResponseModifyDNOperation;
import static org.nasutekds.server.util.StaticUtils.stackTraceToSingleLineString;
import static org.nasutekds.server.util.ServerConstants.OC_TOP;
import static org.nasutekds.server.util.ServerConstants.
OID_ENTRY_CHANGE_NOTIFICATION;
import org.nasutekds.server.config.ConfigConstants;
import static org.nasutekds.server.config.ConfigConstants.OC_CRYPTO_INSTANCE_KEY;
import static org.nasutekds.server.config.ConfigConstants.OC_CRYPTO_CIPHER_KEY;
import static org.nasutekds.server.config.ConfigConstants.OC_CRYPTO_MAC_KEY;
import org.nasutekds.server.protocols.internal.InternalClientConnection;
import org.nasutekds.server.protocols.internal.InternalSearchOperation;
import org.nasutekds.server.protocols.ldap.LDAPControl;
import org.nasutekds.server.controls.PersistentSearchChangeType;
import org.nasutekds.server.controls.EntryChangeNotificationControl;
import org.nasutekds.server.core.DirectoryServer;
import org.nasutekds.server.core.DeleteOperation;
import org.nasutekds.server.core.AddOperation;
import static org.nasutekds.messages.CoreMessages.*;
import org.nasutekds.messages.Message;
import org.nasutekds.admin.ads.ADSContext;
import java.util.LinkedHashSet;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.HashMap;
/**
* This class defines an object that synchronizes certificates from the admin
* data branch into the trust store backend, and synchronizes secret-key entries
* from the admin data branch to the crypto manager secret-key cache.
*/
public class CryptoManagerSync
implements BackendInitializationListener, ChangeNotificationListener
{
/**
* The debug log tracer for this object.
*/
private static final DebugTracer TRACER = getTracer();
// The DN of the administration suffix.
private DN adminSuffixDN;
// The DN of the instance keys container within the admin suffix.
private DN instanceKeysDN;
// The DN of the secret keys container within the admin suffix.
private DN secretKeysDN;
// The DN of the trust store root.
private DN trustStoreRootDN;
// The attribute type that is used to specify a server instance certificate.
AttributeType attrCert;
// The attribute type that holds a server certificate identifier.
AttributeType attrAlias;
// The attribute type that holds the time a key was compromised.
AttributeType attrCompromisedTime;
// A filter on object class to select key entries.
private SearchFilter keySearchFilter;
// The instance key objectclass.
private ObjectClass ocInstanceKey;
// The cipher key objectclass.
private ObjectClass ocCipherKey;
// The mac key objectclass.
private ObjectClass ocMacKey;
/**
* Creates a new instance of this trust store synchronization thread.
*
* @throws InitializationException in case an exception occurs during
* initialization, such as a failure to publish the instance-key-pair
* public-key-certificate in ADS.
*/
public CryptoManagerSync()
throws InitializationException
{
this(true);
}
/**
* Creates a new instance of this trust store synchronization thread.
*
* @param publishInstanceKey whether the instance key must be published in
* the ADS or not.
* @throws InitializationException in case an exception occurs during
* initialization, such as a failure to publish the instance-key-pair
* public-key-certificate in ADS.
*/
public CryptoManagerSync(boolean publishInstanceKey)
throws InitializationException
{
try {
if (publishInstanceKey)
{
CryptoManagerImpl.publishInstanceKeyEntryInADS();
}
}
catch (CryptoManagerException ex) {
throw new InitializationException(ex.getMessageObject());
}
DirectoryServer.registerBackendInitializationListener(this);
try
{
adminSuffixDN = DN.decode(ADSContext.getAdministrationSuffixDN());
instanceKeysDN = adminSuffixDN.concat(DN.decode("cn=instance keys"));
secretKeysDN = adminSuffixDN.concat(DN.decode("cn=secret keys"));
trustStoreRootDN = DN.decode(ConfigConstants.DN_TRUST_STORE_ROOT);
keySearchFilter =
SearchFilter.createFilterFromString("(|" +
"(objectclass=" + OC_CRYPTO_INSTANCE_KEY + ")" +
"(objectclass=" + OC_CRYPTO_CIPHER_KEY + ")" +
"(objectclass=" + OC_CRYPTO_MAC_KEY + ")" +
")");
}
catch (DirectoryException e)
{
//
}
ocInstanceKey = DirectoryServer.getObjectClass(
OC_CRYPTO_INSTANCE_KEY, true);
ocCipherKey = DirectoryServer.getObjectClass(
OC_CRYPTO_CIPHER_KEY, true);
ocMacKey = DirectoryServer.getObjectClass(
OC_CRYPTO_MAC_KEY, true);
attrCert = DirectoryServer.getAttributeType(
ConfigConstants.ATTR_CRYPTO_PUBLIC_KEY_CERTIFICATE, true);
attrAlias = DirectoryServer.getAttributeType(
ConfigConstants.ATTR_CRYPTO_KEY_ID, true);
attrCompromisedTime = DirectoryServer.getAttributeType(
ConfigConstants.ATTR_CRYPTO_KEY_COMPROMISED_TIME, true);
if (DirectoryServer.getBackendWithBaseDN(adminSuffixDN) != null)
{
searchAdminSuffix();
}
DirectoryServer.registerChangeNotificationListener(this);
}
private void searchAdminSuffix()
{
InternalClientConnection conn =
InternalClientConnection.getRootConnection();
LinkedHashSet<String> attributes = new LinkedHashSet<String>(0);
ArrayList<Control> controls = new ArrayList<Control>(0);
InternalSearchOperation searchOperation =
new InternalSearchOperation(conn,
InternalClientConnection.nextOperationID(),
InternalClientConnection.nextMessageID(),
controls,
adminSuffixDN, SearchScope.WHOLE_SUBTREE,
DereferencePolicy.NEVER_DEREF_ALIASES,
0, 0,
false, keySearchFilter, attributes,
null);
searchOperation.run();
ResultCode resultCode = searchOperation.getResultCode();
if (resultCode != ResultCode.SUCCESS)
{
Message message =
INFO_TRUSTSTORESYNC_ADMIN_SUFFIX_SEARCH_FAILED.get(
String.valueOf(adminSuffixDN),
searchOperation.getErrorMessage().toString());
ErrorLogger.logError(message);
}
for (SearchResultEntry searchEntry : searchOperation.getSearchEntries())
{
try
{
handleInternalSearchEntry(searchEntry);
}
catch (DirectoryException e)
{
if (debugEnabled())
{
TRACER.debugCaught(DebugLogLevel.ERROR, e);
}
Message message = ERR_TRUSTSTORESYNC_EXCEPTION.get(
stackTraceToSingleLineString(e));
ErrorLogger.logError(message);
}
}
}
/**
* {@inheritDoc}
*/
public void performBackendInitializationProcessing(Backend backend)
{
DN[] baseDNs = backend.getBaseDNs();
if (baseDNs != null)
{
for (DN baseDN : baseDNs)
{
if (baseDN.equals(adminSuffixDN))
{
searchAdminSuffix();
}
}
}
}
/**
* {@inheritDoc}
*/
public void performBackendFinalizationProcessing(Backend backend)
{
// No implementation required.
}
private void handleInternalSearchEntry(SearchResultEntry searchEntry)
throws DirectoryException
{
if (searchEntry.hasObjectClass(ocInstanceKey))
{
handleInstanceKeySearchEntry(searchEntry);
}
else
{
try
{
if (searchEntry.hasObjectClass(ocCipherKey))
{
DirectoryServer.getCryptoManager().importCipherKeyEntry(searchEntry);
}
else if (searchEntry.hasObjectClass(ocMacKey))
{
DirectoryServer.getCryptoManager().importMacKeyEntry(searchEntry);
}
}
catch (CryptoManagerException e)
{
throw new DirectoryException(
DirectoryServer.getServerErrorResultCode(), e);
}
}
}
private void handleInstanceKeySearchEntry(SearchResultEntry searchEntry)
throws DirectoryException
{
RDN srcRDN = searchEntry.getDN().getRDN();
// Only process the entry if it has the expected form of RDN.
if (!srcRDN.isMultiValued() &&
srcRDN.getAttributeType(0).equals(attrAlias))
{
DN dstDN = trustStoreRootDN.concat(srcRDN);
// Extract any change notification control.
EntryChangeNotificationControl ecn = null;
List<Control> controls = searchEntry.getControls();
try
{
for (Control c : controls)
{
if (c.getOID().equals(OID_ENTRY_CHANGE_NOTIFICATION))
{
if (c instanceof LDAPControl)
{
ecn = EntryChangeNotificationControl.DECODER.decode(c
.isCritical(), ((LDAPControl) c).getValue());
}
else
{
ecn = (EntryChangeNotificationControl)c;
}
}
}
}
catch (DirectoryException e)
{
// ignore
}
// Get any existing local trust store entry.
Entry dstEntry = DirectoryServer.getEntry(dstDN);
if (ecn != null &&
ecn.getChangeType() == PersistentSearchChangeType.DELETE)
{
// The entry was deleted so we should remove it from the local trust
// store.
if (dstEntry != null)
{
deleteEntry(dstDN);
}
}
else if (searchEntry.hasAttribute(attrCompromisedTime))
{
// The key was compromised so we should remove it from the local
// trust store.
if (dstEntry != null)
{
deleteEntry(dstDN);
}
}
else
{
// The entry was added or modified.
if (dstEntry == null)
{
addEntry(searchEntry, dstDN);
}
else
{
modifyEntry(searchEntry, dstEntry);
}
}
}
}
/**
* Modify an entry in the local trust store if it differs from an entry in
* the ADS branch.
* @param srcEntry The instance key entry in the ADS branch.
* @param dstEntry The local trust store entry.
*/
private void modifyEntry(Entry srcEntry, Entry dstEntry)
{
List<Attribute> srcList;
srcList = srcEntry.getAttribute(attrCert);
List<Attribute> dstList;
dstList = dstEntry.getAttribute(attrCert);
// Check for changes to the certificate value.
boolean differ = false;
if (srcList == null)
{
if (dstList != null)
{
differ = true;
}
}
else if (dstList == null)
{
differ = true;
}
else if (srcList.size() != dstList.size())
{
differ = true;
}
else
{
if (!srcList.equals(dstList))
{
differ = true;
}
}
if (differ)
{
// The trust store backend does not implement modify so we need to
// delete then add.
DN dstDN = dstEntry.getDN();
deleteEntry(dstDN);
addEntry(srcEntry, dstDN);
}
}
/**
* Delete an entry from the local trust store.
* @param dstDN The DN of the entry to be deleted in the local trust store.
*/
private void deleteEntry(DN dstDN)
{
InternalClientConnection conn =
InternalClientConnection.getRootConnection();
DeleteOperation delOperation = conn.processDelete(dstDN);
if (delOperation.getResultCode() != ResultCode.SUCCESS)
{
Message message = INFO_TRUSTSTORESYNC_DELETE_FAILED.get(
String.valueOf(dstDN),
String.valueOf(delOperation.getErrorMessage()));
ErrorLogger.logError(message);
}
}
/**
* Add an entry to the local trust store.
* @param srcEntry The instance key entry in the ADS branch.
* @param dstDN The DN of the entry to be added in the local trust store.
*/
private void addEntry(Entry srcEntry, DN dstDN)
{
LinkedHashMap<ObjectClass,String> ocMap =
new LinkedHashMap<ObjectClass,String>(2);
ocMap.put(DirectoryServer.getTopObjectClass(), OC_TOP);
ocMap.put(ocInstanceKey, OC_CRYPTO_INSTANCE_KEY);
HashMap<AttributeType, List<Attribute>> userAttrs =
new HashMap<AttributeType, List<Attribute>>();
List<Attribute> attrList;
attrList = srcEntry.getAttribute(attrAlias);
if (attrList != null)
{
userAttrs.put(attrAlias, attrList);
}
attrList = srcEntry.getAttribute(attrCert);
if (attrList != null)
{
userAttrs.put(attrCert, attrList);
}
Entry addEntry = new Entry(dstDN, ocMap, userAttrs, null);
InternalClientConnection conn =
InternalClientConnection.getRootConnection();
AddOperation addOperation = conn.processAdd(addEntry);
if (addOperation.getResultCode() != ResultCode.SUCCESS)
{
Message message = INFO_TRUSTSTORESYNC_ADD_FAILED.get(
String.valueOf(dstDN),
String.valueOf(addOperation.getErrorMessage()));
ErrorLogger.logError(message);
}
}
/**
* {@inheritDoc}
*/
public void handleAddOperation(PostResponseAddOperation addOperation,
Entry entry)
{
if (addOperation.getEntryDN().isDescendantOf(instanceKeysDN))
{
handleInstanceKeyAddOperation(entry);
}
else if (addOperation.getEntryDN().isDescendantOf(secretKeysDN))
{
try
{
if (entry.hasObjectClass(ocCipherKey))
{
DirectoryServer.getCryptoManager().importCipherKeyEntry(entry);
}
else if (entry.hasObjectClass(ocMacKey))
{
DirectoryServer.getCryptoManager().importMacKeyEntry(entry);
}
}
catch (CryptoManagerException e)
{
Message message = Message.raw("Failed to import key entry: %s",
e.getMessage());
ErrorLogger.logError(message);
}
}
}
private void handleInstanceKeyAddOperation(Entry entry)
{
RDN srcRDN = entry.getDN().getRDN();
// Only process the entry if it has the expected form of RDN.
if (!srcRDN.isMultiValued() &&
srcRDN.getAttributeType(0).equals(attrAlias))
{
DN dstDN = trustStoreRootDN.concat(srcRDN);
if (!entry.hasAttribute(attrCompromisedTime))
{
addEntry(entry, dstDN);
}
}
}
/**
* {@inheritDoc}
*/
public void handleDeleteOperation(PostResponseDeleteOperation deleteOperation,
Entry entry)
{
if (!deleteOperation.getEntryDN().isDescendantOf(instanceKeysDN))
{
return;
}
RDN srcRDN = entry.getDN().getRDN();
// Only process the entry if it has the expected form of RDN.
// FIXME: Technically it is possible to perform a subtree in
// this case however such subtree delete would essentially be
// removing configuration branches which should not happen.
if (!srcRDN.isMultiValued() &&
srcRDN.getAttributeType(0).equals(attrAlias))
{
DN dstDN = trustStoreRootDN.concat(srcRDN);
deleteEntry(dstDN);
}
}
/**
* {@inheritDoc}
*/
public void handleModifyOperation(PostResponseModifyOperation modifyOperation,
Entry oldEntry, Entry newEntry)
{
if (modifyOperation.getEntryDN().isDescendantOf(instanceKeysDN))
{
handleInstanceKeyModifyOperation(newEntry);
}
else if (modifyOperation.getEntryDN().isDescendantOf(secretKeysDN))
{
try
{
if (newEntry.hasObjectClass(ocCipherKey))
{
DirectoryServer.getCryptoManager().importCipherKeyEntry(newEntry);
}
else if (newEntry.hasObjectClass(ocMacKey))
{
DirectoryServer.getCryptoManager().importMacKeyEntry(newEntry);
}
}
catch (CryptoManagerException e)
{
Message message = Message.raw("Failed to import modified key entry: %s",
e.getMessage());
ErrorLogger.logError(message);
}
}
}
private void handleInstanceKeyModifyOperation(Entry newEntry)
{
RDN srcRDN = newEntry.getDN().getRDN();
// Only process the entry if it has the expected form of RDN.
if (!srcRDN.isMultiValued() &&
srcRDN.getAttributeType(0).equals(attrAlias))
{
DN dstDN = trustStoreRootDN.concat(srcRDN);
// Get any existing local trust store entry.
Entry dstEntry = null;
try
{
dstEntry = DirectoryServer.getEntry(dstDN);
}
catch (DirectoryException e)
{
// ignore
}
if (newEntry.hasAttribute(attrCompromisedTime))
{
// The key was compromised so we should remove it from the local
// trust store.
if (dstEntry != null)
{
deleteEntry(dstDN);
}
}
else
{
if (dstEntry == null)
{
addEntry(newEntry, dstDN);
}
else
{
modifyEntry(newEntry, dstEntry);
}
}
}
}
/**
* {@inheritDoc}
*/
public void handleModifyDNOperation(
PostResponseModifyDNOperation modifyDNOperation, Entry oldEntry,
Entry newEntry)
{
// No implementation required.
// FIXME: Technically it is possible to perform a subtree modDN
// in this case however such subtree modDN would essentially be
// moving configuration branches which should not happen.
}
}