/*
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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 2007-2010 Sun Microsystems, Inc.
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*/
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package org.opends.server.core;
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import org.opends.messages.Message;
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import org.opends.messages.MessageBuilder;
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import static org.opends.server.config.ConfigConstants.DN_CONFIG_ROOT;
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import static org.opends.server.core.CoreConstants.LOG_ELEMENT_AUTH_TYPE;
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import static org.opends.server.core.CoreConstants.LOG_ELEMENT_BIND_DN;
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import static org.opends.server.core.CoreConstants.LOG_ELEMENT_ERROR_MESSAGE;
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import static org.opends.server.core.CoreConstants.LOG_ELEMENT_MATCHED_DN;
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import static org.opends.server.core.CoreConstants.LOG_ELEMENT_PROCESSING_TIME;
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import static org.opends.server.core.CoreConstants.LOG_ELEMENT_REFERRAL_URLS;
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import static org.opends.server.core.CoreConstants.LOG_ELEMENT_RESULT_CODE;
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import static org.opends.server.core.CoreConstants.LOG_ELEMENT_SASL_MECHANISM;
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import static org.opends.server.loggers.AccessLogger.logBindRequest;
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import static org.opends.server.loggers.AccessLogger.logBindResponse;
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import static org.opends.server.loggers.debug.DebugLogger.debugEnabled;
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import static org.opends.messages.CoreMessages.*;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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import org.opends.server.api.ClientConnection;
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import org.opends.server.api.plugin.PluginResult;
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import org.opends.server.core.networkgroups.NetworkGroup;
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import org.opends.server.loggers.debug.DebugLogger;
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import org.opends.server.loggers.debug.DebugTracer;
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import org.opends.server.types.*;
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import org.opends.server.types.operation.PreParseBindOperation;
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import org.opends.server.workflowelement.localbackend.*;
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/**
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* This class defines an operation that may be used to authenticate a user to
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* the Directory Server. Note that for security restrictions, response messages
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* that may be returned to the client must be carefully cleaned to ensure that
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* they do not provide a malicious client with information that may be useful in
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* an attack. This does impact the debugability of the server, but that can
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* be addressed by calling the <CODE>setAuthFailureReason</CODE> method, which
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* can provide a reason for a failure in a form that will not be returned to the
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* client but may be written to a log file.
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*/
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public class BindOperationBasis
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extends AbstractOperation
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implements BindOperation, PreParseBindOperation
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{
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/**
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* The tracer object for the debug logger.
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*/
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private static final DebugTracer TRACER = DebugLogger.getTracer();
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// The credentials used for SASL authentication.
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private ByteString saslCredentials;
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// The server SASL credentials provided to the client in the response.
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private ByteString serverSASLCredentials;
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// The authentication info for this bind operation.
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private AuthenticationInfo authInfo = null;
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// The authentication type used for this bind operation.
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private AuthenticationType authType;
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// The raw, unprocessed bind DN as contained in the client request.
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private ByteString rawBindDN;
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// The password used for simple authentication.
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private ByteString simplePassword;
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// The bind DN used for this bind operation.
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private DN bindDN;
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// The DN of the user entry that is attempting to authenticate.
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private DN userEntryDN;
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// The DN of the user as whom a SASL authentication was attempted (regardless
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// of whether the authentication was successful) for the purpose of updating
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// password policy state information.
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private Entry saslAuthUserEntry;
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// The set of response controls for this bind operation.
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private List<Control> responseControls;
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// A message explaining the reason for the authentication failure.
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private Message authFailureReason;
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// The SASL mechanism used for SASL authentication.
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private String saslMechanism;
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// A string representation of the protocol version for this bind operation.
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private String protocolVersion;
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/**
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* Creates a new simple bind operation with the provided information.
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*
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* @param clientConnection The client connection with which this operation
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* is associated.
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* @param operationID The operation ID for this operation.
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* @param messageID The message ID of the request with which this
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* operation is associated.
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* @param requestControls The set of controls included in the request.
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* @param protocolVersion The string representation of the protocol version
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* associated with this bind request.
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* @param rawBindDN The raw, unprocessed bind DN as provided in the
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* request from the client.
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* @param simplePassword The password to use for the simple
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* authentication.
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*/
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public BindOperationBasis(ClientConnection clientConnection, long operationID,
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int messageID, List<Control> requestControls,
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String protocolVersion, ByteString rawBindDN,
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ByteString simplePassword)
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{
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super(clientConnection, operationID, messageID, requestControls);
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|
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this.protocolVersion = protocolVersion;
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this.authType = AuthenticationType.SIMPLE;
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this.saslMechanism = null;
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this.saslCredentials = null;
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if (rawBindDN == null)
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{
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this.rawBindDN = ByteString.empty();
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}
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else
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{
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this.rawBindDN = rawBindDN;
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}
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if (simplePassword == null)
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{
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this.simplePassword = ByteString.empty();
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}
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else
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{
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this.simplePassword = simplePassword;
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}
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bindDN = null;
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userEntryDN = null;
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responseControls = new ArrayList<Control>(0);
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authFailureReason = null;
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saslAuthUserEntry = null;
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cancelResult = new CancelResult(ResultCode.CANNOT_CANCEL,
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ERR_CANNOT_CANCEL_BIND.get());
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}
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/**
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* Creates a new SASL bind operation with the provided information.
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*
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* @param clientConnection The client connection with which this operation
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* is associated.
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* @param operationID The operation ID for this operation.
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* @param messageID The message ID of the request with which this
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* operation is associated.
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* @param requestControls The set of controls included in the request.
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* @param protocolVersion The string representation of the protocol version
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* associated with this bind request.
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* @param rawBindDN The raw, unprocessed bind DN as provided in the
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* request from the client.
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* @param saslMechanism The SASL mechanism included in the request.
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* @param saslCredentials The optional SASL credentials included in the
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* request.
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*/
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public BindOperationBasis(ClientConnection clientConnection, long operationID,
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int messageID, List<Control> requestControls,
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String protocolVersion, ByteString rawBindDN,
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String saslMechanism, ByteString saslCredentials)
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{
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super(clientConnection, operationID, messageID, requestControls);
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|
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this.protocolVersion = protocolVersion;
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this.authType = AuthenticationType.SASL;
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this.saslMechanism = saslMechanism;
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this.saslCredentials = saslCredentials;
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this.simplePassword = null;
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if (rawBindDN == null)
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{
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this.rawBindDN = ByteString.empty();
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}
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else
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{
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this.rawBindDN = rawBindDN;
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}
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bindDN = null;
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userEntryDN = null;
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responseControls = new ArrayList<Control>(0);
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authFailureReason = null;
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saslAuthUserEntry = null;
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cancelResult = new CancelResult(ResultCode.CANNOT_CANCEL,
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ERR_CANNOT_CANCEL_BIND.get());
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}
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/**
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* Creates a new simple bind operation with the provided information.
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*
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* @param clientConnection The client connection with which this operation
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* is associated.
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* @param operationID The operation ID for this operation.
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* @param messageID The message ID of the request with which this
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* operation is associated.
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* @param requestControls The set of controls included in the request.
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* @param protocolVersion The string representation of the protocol version
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* associated with this bind request.
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* @param bindDN The bind DN for this bind operation.
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* @param simplePassword The password to use for the simple
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* authentication.
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*/
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public BindOperationBasis(ClientConnection clientConnection, long operationID,
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int messageID, List<Control> requestControls,
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String protocolVersion, DN bindDN,
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ByteString simplePassword)
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{
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super(clientConnection, operationID, messageID, requestControls);
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this.protocolVersion = protocolVersion;
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this.authType = AuthenticationType.SIMPLE;
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this.bindDN = bindDN;
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this.saslMechanism = null;
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this.saslCredentials = null;
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if (bindDN == null)
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{
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rawBindDN = ByteString.empty();
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}
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else
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{
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rawBindDN = ByteString.valueOf(bindDN.toString());
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}
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if (simplePassword == null)
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{
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this.simplePassword = ByteString.empty();
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}
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else
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{
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this.simplePassword = simplePassword;
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}
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responseControls = new ArrayList<Control>(0);
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authFailureReason = null;
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saslAuthUserEntry = null;
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userEntryDN = null;
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cancelResult = new CancelResult(ResultCode.CANNOT_CANCEL,
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ERR_CANNOT_CANCEL_BIND.get());
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}
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/**
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* Creates a new SASL bind operation with the provided information.
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*
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* @param clientConnection The client connection with which this operation
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* is associated.
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* @param operationID The operation ID for this operation.
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* @param messageID The message ID of the request with which this
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* operation is associated.
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* @param requestControls The set of controls included in the request.
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* @param protocolVersion The string representation of the protocol version
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* associated with this bind request.
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* @param bindDN The bind DN for this bind operation.
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* @param saslMechanism The SASL mechanism included in the request.
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* @param saslCredentials The optional SASL credentials included in the
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* request.
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*/
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public BindOperationBasis(ClientConnection clientConnection, long operationID,
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int messageID, List<Control> requestControls,
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String protocolVersion, DN bindDN,
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String saslMechanism, ByteString saslCredentials)
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{
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super(clientConnection, operationID, messageID, requestControls);
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this.protocolVersion = protocolVersion;
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this.authType = AuthenticationType.SASL;
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this.bindDN = bindDN;
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this.saslMechanism = saslMechanism;
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this.saslCredentials = saslCredentials;
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this.simplePassword = null;
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if (bindDN == null)
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{
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rawBindDN = ByteString.empty();
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}
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else
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{
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rawBindDN = ByteString.valueOf(bindDN.toString());
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}
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responseControls = new ArrayList<Control>(0);
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authFailureReason = null;
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saslAuthUserEntry = null;
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userEntryDN = null;
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cancelResult = new CancelResult(ResultCode.CANNOT_CANCEL,
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ERR_CANNOT_CANCEL_BIND.get());
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}
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/**
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* {@inheritDoc}
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*/
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public final AuthenticationType getAuthenticationType()
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{
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return authType;
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}
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/**
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* {@inheritDoc}
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*/
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public final ByteString getRawBindDN()
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{
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return rawBindDN;
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}
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/**
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* {@inheritDoc}
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*/
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public final void setRawBindDN(ByteString rawBindDN)
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{
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if (rawBindDN == null)
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{
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this.rawBindDN = ByteString.empty();
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}
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else
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{
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this.rawBindDN = rawBindDN;
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}
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bindDN = null;
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}
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/**
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* {@inheritDoc}
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*/
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public final DN getBindDN()
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{
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try
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{
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if (bindDN == null)
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{
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bindDN = DN.decode(rawBindDN);
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}
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}
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catch (DirectoryException de)
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{
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if (debugEnabled())
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{
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TRACER.debugCaught(DebugLogLevel.ERROR, de);
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}
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setResultCode(ResultCode.INVALID_CREDENTIALS);
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setAuthFailureReason(de.getMessageObject());
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}
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return bindDN;
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}
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/**
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* {@inheritDoc}
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*/
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public final ByteString getSimplePassword()
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{
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return simplePassword;
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}
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/**
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* {@inheritDoc}
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*/
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public final void setSimplePassword(ByteString simplePassword)
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{
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if (simplePassword == null)
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{
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this.simplePassword = ByteString.empty();
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}
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else
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{
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this.simplePassword = simplePassword;
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}
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authType = AuthenticationType.SIMPLE;
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saslMechanism = null;
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saslCredentials = null;
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}
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/**
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* {@inheritDoc}
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*/
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public final String getSASLMechanism()
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{
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return saslMechanism;
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}
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/**
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* {@inheritDoc}
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*/
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public final ByteString getSASLCredentials()
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{
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return saslCredentials;
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}
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/**
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* {@inheritDoc}
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*/
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public final void setSASLCredentials(String saslMechanism,
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ByteString saslCredentials)
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{
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this.saslMechanism = saslMechanism;
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this.saslCredentials = saslCredentials;
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authType = AuthenticationType.SASL;
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simplePassword = null;
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}
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/**
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* {@inheritDoc}
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*/
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public final ByteString getServerSASLCredentials()
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{
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return serverSASLCredentials;
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}
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/**
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* {@inheritDoc}
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*/
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public final void setServerSASLCredentials(ByteString
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serverSASLCredentials)
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{
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this.serverSASLCredentials = serverSASLCredentials;
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}
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/**
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* {@inheritDoc}
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*/
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public final Entry getSASLAuthUserEntry()
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{
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return saslAuthUserEntry;
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}
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/**
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* {@inheritDoc}
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*/
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public final void setSASLAuthUserEntry(Entry saslAuthUserEntry)
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{
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this.saslAuthUserEntry = saslAuthUserEntry;
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}
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/**
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* {@inheritDoc}
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*/
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public final Message getAuthFailureReason()
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{
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return authFailureReason;
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}
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/**
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* {@inheritDoc}
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*/
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public final void setAuthFailureReason(Message message)
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{
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if (DirectoryServer.returnBindErrorMessages())
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{
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appendErrorMessage(message);
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}
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else
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{
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authFailureReason = message;
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}
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}
|
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/**
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* {@inheritDoc}
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*/
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public final DN getUserEntryDN()
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{
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return userEntryDN;
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}
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/**
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* {@inheritDoc}
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*/
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public final AuthenticationInfo getAuthenticationInfo()
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{
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return authInfo;
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}
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/**
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* {@inheritDoc}
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*/
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public final void setAuthenticationInfo(AuthenticationInfo authInfo)
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{
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this.authInfo = authInfo;
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}
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/**
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* {@inheritDoc}
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*/
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@Override()
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public final OperationType getOperationType()
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{
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// Note that no debugging will be done in this method because it is a likely
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// candidate for being called by the logging subsystem.
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return OperationType.BIND;
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}
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/**
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* {@inheritDoc}
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*/
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@Override()
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public final String[][] getRequestLogElements()
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{
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// Note that no debugging will be done in this method because it is a likely
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// candidate for being called by the logging subsystem.
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if (authType == AuthenticationType.SASL)
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{
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return new String[][]
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{
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new String[] { LOG_ELEMENT_BIND_DN, String.valueOf(rawBindDN) },
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new String[] { LOG_ELEMENT_AUTH_TYPE, authType.toString() },
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new String[] { LOG_ELEMENT_SASL_MECHANISM, saslMechanism }
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};
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}
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else
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{
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return new String[][]
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{
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new String[] { LOG_ELEMENT_BIND_DN, String.valueOf(rawBindDN) },
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new String[] { LOG_ELEMENT_AUTH_TYPE, authType.toString() }
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};
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}
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}
|
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/**
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* {@inheritDoc}
|
*/
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@Override()
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public final String[][] getResponseLogElements()
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{
|
// Note that no debugging will be done in this method because it is a likely
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// candidate for being called by the logging subsystem.
|
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String resultCode = String.valueOf(getResultCode().getIntValue());
|
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String errorMessage;
|
MessageBuilder errorMessageBuffer = getErrorMessage();
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if (errorMessageBuffer == null)
|
{
|
errorMessage = null;
|
}
|
else
|
{
|
errorMessage = errorMessageBuffer.toString();
|
}
|
|
String matchedDNStr;
|
DN matchedDN = getMatchedDN();
|
if (matchedDN == null)
|
{
|
matchedDNStr = null;
|
}
|
else
|
{
|
matchedDNStr = matchedDN.toString();
|
}
|
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String referrals;
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List<String> referralURLs = getReferralURLs();
|
if ((referralURLs == null) || referralURLs.isEmpty())
|
{
|
referrals = null;
|
}
|
else
|
{
|
StringBuilder buffer = new StringBuilder();
|
Iterator<String> iterator = referralURLs.iterator();
|
buffer.append(iterator.next());
|
|
while (iterator.hasNext())
|
{
|
buffer.append(", ");
|
buffer.append(iterator.next());
|
}
|
|
referrals = buffer.toString();
|
}
|
|
String processingTime =
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String.valueOf(getProcessingTime());
|
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return new String[][]
|
{
|
new String[] { LOG_ELEMENT_RESULT_CODE, resultCode },
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new String[] { LOG_ELEMENT_ERROR_MESSAGE, errorMessage },
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new String[] { LOG_ELEMENT_MATCHED_DN, matchedDNStr },
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new String[] { LOG_ELEMENT_REFERRAL_URLS, referrals },
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new String[] { LOG_ELEMENT_PROCESSING_TIME, processingTime }
|
};
|
}
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public final List<Control> getResponseControls()
|
{
|
return responseControls;
|
}
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public final void addResponseControl(Control control)
|
{
|
responseControls.add(control);
|
}
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public final void removeResponseControl(Control control)
|
{
|
responseControls.remove(control);
|
}
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public final void toString(StringBuilder buffer)
|
{
|
buffer.append("BindOperation(connID=");
|
buffer.append(clientConnection.getConnectionID());
|
buffer.append(", opID=");
|
buffer.append(operationID);
|
buffer.append(", protocol=\"");
|
buffer.append(clientConnection.getProtocol());
|
buffer.append(" ");
|
buffer.append(protocolVersion);
|
buffer.append(", dn=");
|
buffer.append(rawBindDN);
|
buffer.append(", authType=");
|
buffer.append(authType);
|
buffer.append(")");
|
}
|
|
/**
|
* {@inheritDoc}
|
*/
|
public void setUserEntryDN(DN userEntryDN)
|
{
|
this.userEntryDN = userEntryDN;
|
}
|
|
/**
|
* {@inheritDoc}
|
*/
|
public String getProtocolVersion()
|
{
|
return protocolVersion;
|
}
|
|
/**
|
* {@inheritDoc}
|
*/
|
public void setProtocolVersion(String protocolVersion)
|
{
|
this.protocolVersion = protocolVersion;
|
}
|
|
/**
|
* {@inheritDoc}
|
*/
|
public final void run()
|
{
|
setResultCode(ResultCode.UNDEFINED);
|
|
// Start the processing timer and initially set the result to indicate that
|
// the result is unknown.
|
setProcessingStartTime();
|
|
// Log the bind request message.
|
logBindRequest(this);
|
|
ClientConnection clientConnection = getClientConnection();
|
|
// Wipe out any existing authentication for the client connection and create
|
// a placeholder that will be used if the bind is successful.
|
clientConnection.setUnauthenticated();
|
|
// Abandon any operations that may be in progress for the client.
|
Message cancelReason = INFO_CANCELED_BY_BIND_REQUEST.get();
|
CancelRequest cancelRequest = new CancelRequest(true, cancelReason);
|
clientConnection.cancelAllOperationsExcept(cancelRequest, getMessageID());
|
|
|
// Get the plugin config manager that will be used for invoking plugins.
|
PluginConfigManager pluginConfigManager =
|
DirectoryServer.getPluginConfigManager();
|
|
|
// This flag is set to true as soon as a workflow has been executed.
|
boolean workflowExecuted = false;
|
|
|
try
|
{
|
// Invoke the pre-parse bind plugins.
|
PluginResult.PreParse preParseResult =
|
pluginConfigManager.invokePreParseBindPlugins(this);
|
if (!preParseResult.continueProcessing())
|
{
|
setResultCode(preParseResult.getResultCode());
|
appendErrorMessage(preParseResult.getErrorMessage());
|
setMatchedDN(preParseResult.getMatchedDN());
|
setReferralURLs(preParseResult.getReferralURLs());
|
return;
|
}
|
|
|
// Process the bind DN to convert it from the raw form as provided by the
|
// client into the form required for the rest of the bind processing.
|
DN bindDN = getBindDN();
|
if (bindDN == null){
|
return;
|
}
|
|
// If this is a simple bind
|
// Then check wether the bind DN is actually one of the alternate root DNs
|
// defined in the server. If so, then replace it with the actual DN
|
// for that user.
|
switch (getAuthenticationType())
|
{
|
case SIMPLE:
|
DN actualRootDN = DirectoryServer.getActualRootBindDN(bindDN);
|
if (actualRootDN != null)
|
{
|
bindDN = actualRootDN;
|
}
|
}
|
|
|
// Special case to manage RootDNs
|
// RootDNs are stored in cn=config but this workflow is not
|
// available through non-admin network groups.
|
// So if the bind DN is in cn=config, we directly retrieve
|
// the workflow handling cn=config
|
// FIXME: it would be better to store RootDNs in a separate backend.
|
// Issue #3502 has been logged to track this request.
|
boolean isInConfig;
|
try {
|
isInConfig = bindDN.isDescendantOf(DN.decode(DN_CONFIG_ROOT));
|
} catch (DirectoryException ex) {
|
// can not happen
|
isInConfig = false;
|
}
|
|
Workflow workflow;
|
if (isInConfig) {
|
workflow = WorkflowImpl.getWorkflow("__config.ldif__#cn=config");
|
} else {
|
// Retrieve the network group attached to the client connection
|
// and get a workflow to process the operation.
|
NetworkGroup ng = getClientConnection().getNetworkGroup();
|
workflow = ng.getWorkflowCandidate(bindDN);
|
}
|
if (workflow == null)
|
{
|
// We have found no workflow for the requested base DN, just return
|
// a no such entry result code and stop the processing.
|
updateOperationErrMsgAndResCode();
|
return;
|
}
|
workflow.execute(this);
|
workflowExecuted = true;
|
|
}
|
catch(CanceledOperationException coe)
|
{
|
// This shouldn't happen for bind operations. Just cancel anyways
|
if (debugEnabled())
|
{
|
TRACER.debugCaught(DebugLogLevel.ERROR, coe);
|
}
|
|
setResultCode(ResultCode.CANCELED);
|
|
appendErrorMessage(cancelRequest.getCancelReason());
|
}
|
finally
|
{
|
// Stop the processing timer.
|
setProcessingStopTime();
|
|
// Log the bind response.
|
logBindResponse(this);
|
|
// Send the bind response to the client.
|
clientConnection.sendResponse(this);
|
|
// If the bind processing is finished, then unset the "bind in progress"
|
// flag to allow other operations to be processed on the connection.
|
if (getResultCode() != ResultCode.SASL_BIND_IN_PROGRESS)
|
{
|
clientConnection.finishSaslBind();
|
}
|
|
clientConnection.finishBindOrStartTLS();
|
|
// Invoke the post-response bind plugins.
|
invokePostResponsePlugins(workflowExecuted);
|
}
|
}
|
|
|
/**
|
* Invokes the post response plugins. If a workflow has been executed
|
* then invoke the post response plugins provided by the workflow
|
* elements of the worklfow, otherwise invoke the post reponse plugins
|
* that have been registered with the current operation.
|
*
|
* @param workflowExecuted <code>true</code> if a workflow has been
|
* executed
|
*/
|
private void invokePostResponsePlugins(boolean workflowExecuted)
|
{
|
// Get the plugin config manager that will be used for invoking plugins.
|
PluginConfigManager pluginConfigManager =
|
DirectoryServer.getPluginConfigManager();
|
|
// Invoke the post response plugins
|
if (workflowExecuted)
|
{
|
// The post responses are provided by the workflow elements of the
|
// workflow.
|
List localOperations =
|
(List)getAttachment(Operation.LOCALBACKENDOPERATIONS);
|
if (localOperations != null)
|
{
|
for (Object localOp : localOperations)
|
{
|
LocalBackendBindOperation localOperation =
|
(LocalBackendBindOperation)localOp;
|
// Invoke the post-response bind plugins.
|
pluginConfigManager.invokePostResponseBindPlugins(localOperation);
|
}
|
}
|
else
|
{
|
// The current operation does not implement any bind post response
|
// interface so we cannot invoke any post-response plugin.
|
}
|
}
|
}
|
|
|
/**
|
* Updates the error message and the result code of the operation.
|
*
|
* This method is called because no workflows were found to process
|
* the operation.
|
*/
|
private void updateOperationErrMsgAndResCode()
|
{
|
Message message = ERR_BIND_OPERATION_UNKNOWN_USER.get(
|
String.valueOf(getBindDN()));
|
setResultCode(ResultCode.INVALID_CREDENTIALS);
|
setAuthFailureReason(message);
|
}
|
|
}
|
