/*
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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 legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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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 legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* 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 2006-2010 Sun Microsystems, Inc.
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* Portions Copyright 2011-2013 ForgeRock AS
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*/
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package org.opends.server.extensions;
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import java.io.IOException;
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import java.util.*;
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import java.util.concurrent.locks.Lock;
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import org.opends.messages.Message;
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import org.opends.messages.MessageBuilder;
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import org.opends.server.admin.server.ConfigurationChangeListener;
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import org.opends.server.admin.std.server.ExtendedOperationHandlerCfg;
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import org.opends.server.admin.std.server.
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PasswordModifyExtendedOperationHandlerCfg;
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import org.opends.server.api.*;
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import org.opends.server.config.ConfigException;
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import org.opends.server.controls.PasswordPolicyErrorType;
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import org.opends.server.controls.PasswordPolicyResponseControl;
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import org.opends.server.controls.PasswordPolicyWarningType;
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import org.opends.server.core.DirectoryServer;
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import org.opends.server.core.ExtendedOperation;
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import org.opends.server.core.ModifyOperation;
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import org.opends.server.core.PasswordPolicyState;
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import org.opends.server.loggers.ErrorLogger;
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import org.opends.server.loggers.debug.DebugTracer;
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import org.opends.server.protocols.asn1.ASN1;
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import org.opends.server.protocols.asn1.ASN1Reader;
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import org.opends.server.protocols.asn1.ASN1Writer;
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import org.opends.server.protocols.internal.InternalClientConnection;
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import org.opends.server.schema.AuthPasswordSyntax;
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import org.opends.server.schema.UserPasswordSyntax;
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import org.opends.server.types.*;
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import static org.opends.messages.CoreMessages.*;
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import static org.opends.messages.ExtensionMessages.*;
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import static org.opends.server.extensions.ExtensionsConstants.*;
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import static org.opends.server.loggers.debug.DebugLogger.*;
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import static org.opends.server.util.ServerConstants.*;
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import static org.opends.server.util.StaticUtils.*;
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/**
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* This class implements the password modify extended operation defined in RFC
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* 3062. It includes support for requiring the user's current password as well
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* as for generating a new password if none was provided.
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*/
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public class PasswordModifyExtendedOperation
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extends ExtendedOperationHandler<
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PasswordModifyExtendedOperationHandlerCfg>
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implements ConfigurationChangeListener<
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PasswordModifyExtendedOperationHandlerCfg>
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{
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// The following attachments may be used by post-op plugins (e.g. Samba) in
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// order to avoid re-decoding the request parameters and also to enforce
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// atomicity.
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/**
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* The name of the attachment which will be used to store the fully resolved
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* target entry.
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*/
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public static final String AUTHZ_DN_ATTACHMENT;
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/**
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* The name of the attachment which will be used to store the password
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* attribute.
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*/
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public static final String PWD_ATTRIBUTE_ATTACHMENT;
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/**
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* The clear text password, which may not be present if the provided password
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* was pre-encoded.
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*/
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public static final String CLEAR_PWD_ATTACHMENT;
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/**
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* A list containing the encoded passwords: plugins can perform changes
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* atomically via CAS.
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*/
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public static final String ENCODED_PWD_ATTACHMENT;
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static
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{
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final String PREFIX = PasswordModifyExtendedOperation.class.getName();
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AUTHZ_DN_ATTACHMENT = PREFIX + ".AUTHZ_DN";
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PWD_ATTRIBUTE_ATTACHMENT = PREFIX + ".PWD_ATTRIBUTE";
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CLEAR_PWD_ATTACHMENT = PREFIX + ".CLEAR_PWD";
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ENCODED_PWD_ATTACHMENT = PREFIX + ".ENCODED_PWD";
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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 = getTracer();
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/** The current configuration state. */
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private PasswordModifyExtendedOperationHandlerCfg currentConfig;
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/** The DN of the identity mapper. */
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private DN identityMapperDN;
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/** The reference to the identity mapper. */
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private IdentityMapper<?> identityMapper;
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/**
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* Create an instance of this password modify extended operation. All
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* initialization should be performed in the
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* <CODE>initializeExtendedOperationHandler</CODE> method.
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*/
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public PasswordModifyExtendedOperation()
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{
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super(new HashSet<String>(Arrays.asList(
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OID_LDAP_NOOP_OPENLDAP_ASSIGNED, OID_PASSWORD_POLICY_CONTROL)));
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}
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/**
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* Initializes this extended operation handler based on the information in the
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* provided configuration. It should also register itself with the
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* Directory Server for the particular kinds of extended operations that it
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* will process.
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*
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* @param config The configuration that contains the information
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* to use to initialize this extended operation handler.
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*
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* @throws ConfigException If an unrecoverable problem arises in the
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* process of performing the initialization.
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*
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* @throws InitializationException If a problem occurs during initialization
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* that is not related to the server
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* configuration.
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*/
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@Override
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public void initializeExtendedOperationHandler(
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PasswordModifyExtendedOperationHandlerCfg config)
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throws ConfigException, InitializationException
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{
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try
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{
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identityMapperDN = config.getIdentityMapperDN();
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identityMapper = DirectoryServer.getIdentityMapper(identityMapperDN);
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if (identityMapper == null)
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{
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Message message = ERR_EXTOP_PASSMOD_NO_SUCH_ID_MAPPER.get(
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String.valueOf(identityMapperDN), String.valueOf(config.dn()));
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throw new ConfigException(message);
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}
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}
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catch (Exception e)
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{
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if (debugEnabled())
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{
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TRACER.debugCaught(DebugLogLevel.ERROR, e);
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}
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Message message = ERR_EXTOP_PASSMOD_CANNOT_DETERMINE_ID_MAPPER.get(
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String.valueOf(config.dn()), getExceptionMessage(e));
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throw new InitializationException(message, e);
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}
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// Save this configuration for future reference.
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currentConfig = config;
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// Register this as a change listener.
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config.addPasswordModifyChangeListener(this);
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super.initializeExtendedOperationHandler(config);
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}
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/**
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* Performs any finalization that may be necessary for this extended
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* operation handler. By default, no finalization is performed.
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*/
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@Override
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public void finalizeExtendedOperationHandler()
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{
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currentConfig.removePasswordModifyChangeListener(this);
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super.finalizeExtendedOperationHandler();
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}
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/**
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* Processes the provided extended operation.
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*
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* @param operation The extended operation to be processed.
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*/
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@Override
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public void processExtendedOperation(ExtendedOperation operation)
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{
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// Initialize the variables associated with components that may be included
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// in the request.
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ByteString userIdentity = null;
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ByteString oldPassword = null;
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ByteString newPassword = null;
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// Look at the set of controls included in the request, if there are any.
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boolean noOpRequested = false;
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boolean pwPolicyRequested = false;
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int pwPolicyWarningValue = 0;
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PasswordPolicyErrorType pwPolicyErrorType = null;
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PasswordPolicyWarningType pwPolicyWarningType = null;
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List<Control> controls = operation.getRequestControls();
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if (controls != null)
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{
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for (Control c : controls)
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{
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String oid = c.getOID();
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if (oid.equals(OID_LDAP_NOOP_OPENLDAP_ASSIGNED))
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{
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noOpRequested = true;
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}
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else if (oid.equals(OID_PASSWORD_POLICY_CONTROL))
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{
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pwPolicyRequested = true;
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}
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}
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}
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// Parse the encoded request, if there is one.
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ByteString requestValue = operation.getRequestValue();
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if (requestValue != null)
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{
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try
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{
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ASN1Reader reader = ASN1.getReader(requestValue);
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reader.readStartSequence();
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if(reader.hasNextElement() &&
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reader.peekType() == TYPE_PASSWORD_MODIFY_USER_ID)
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{
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userIdentity = reader.readOctetString();
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}
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if(reader.hasNextElement() &&
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reader.peekType() == TYPE_PASSWORD_MODIFY_OLD_PASSWORD)
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{
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oldPassword = reader.readOctetString();
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}
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if(reader.hasNextElement() &&
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reader.peekType() == TYPE_PASSWORD_MODIFY_NEW_PASSWORD)
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{
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newPassword = reader.readOctetString();
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}
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reader.readEndSequence();
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}
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catch (Exception ae)
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{
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if (debugEnabled())
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{
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TRACER.debugCaught(DebugLogLevel.ERROR, ae);
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}
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operation.setResultCode(ResultCode.PROTOCOL_ERROR);
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operation.appendErrorMessage(ERR_EXTOP_PASSMOD_CANNOT_DECODE_REQUEST
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.get(getExceptionMessage(ae)));
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return;
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}
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}
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// Get the entry for the user that issued the request.
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Entry requestorEntry = operation.getAuthorizationEntry();
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// See if a user identity was provided. If so, then try to resolve it to
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// an actual user.
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DN userDN = null;
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Entry userEntry = null;
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Lock userLock = null;
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try
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{
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if (userIdentity == null)
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{
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// This request must be targeted at changing the password for the
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// currently-authenticated user. Make sure that the user actually is
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// authenticated.
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ClientConnection clientConnection = operation.getClientConnection();
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AuthenticationInfo authInfo = clientConnection.getAuthenticationInfo();
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if ((! authInfo.isAuthenticated()) || (requestorEntry == null))
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{
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operation.setResultCode(ResultCode.UNWILLING_TO_PERFORM);
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operation.appendErrorMessage(
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ERR_EXTOP_PASSMOD_NO_AUTH_OR_USERID.get());
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return;
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}
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// Retrieve a write lock on that user's entry.
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userDN = requestorEntry.getDN();
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userLock = LockManager.lockWrite(userDN);
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if (userLock == null)
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{
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operation.setResultCode(ResultCode.BUSY);
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operation.appendErrorMessage(ERR_EXTOP_PASSMOD_CANNOT_LOCK_USER_ENTRY
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.get(String.valueOf(userDN)));
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return;
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}
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userEntry = requestorEntry;
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}
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else
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{
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// There was a userIdentity field in the request.
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String authzIDStr = userIdentity.toString();
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String lowerAuthzIDStr = toLowerCase(authzIDStr);
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if (lowerAuthzIDStr.startsWith("dn:"))
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{
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try
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{
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userDN = DN.decode(authzIDStr.substring(3));
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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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operation.setResultCode(ResultCode.INVALID_DN_SYNTAX);
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operation.appendErrorMessage(
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ERR_EXTOP_PASSMOD_CANNOT_DECODE_AUTHZ_DN.get(authzIDStr));
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return;
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}
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// If the provided DN is an alternate DN for a root user, then replace
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// it with the actual root DN.
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DN actualRootDN = DirectoryServer.getActualRootBindDN(userDN);
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if (actualRootDN != null)
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{
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userDN = actualRootDN;
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}
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userEntry = getEntryByDN(operation, userDN);
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if (userEntry == null)
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{
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return;
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}
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}
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else if (lowerAuthzIDStr.startsWith("u:"))
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{
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try
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{
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userEntry = identityMapper.getEntryForID(authzIDStr.substring(2));
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if (userEntry == null)
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{
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operation.setResultCode(ResultCode.NO_SUCH_OBJECT);
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operation.appendErrorMessage(
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ERR_EXTOP_PASSMOD_CANNOT_MAP_USER.get(authzIDStr));
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return;
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}
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userDN = userEntry.getDN();
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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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//Encountered an exception while resolving identity.
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operation.setResultCode(de.getResultCode());
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operation.appendErrorMessage(ERR_EXTOP_PASSMOD_ERROR_MAPPING_USER
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.get(authzIDStr,de.getMessageObject()));
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return;
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}
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}
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// the userIdentity provided does not follow Authorization Identity
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// form. RFC3062 declaration "may or may not be an LDAPDN" allows
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// for pretty much anything in that field. we gonna try to parse it
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// as DN first then if that fails as user ID.
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else
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{
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try
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{
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userDN = DN.decode(authzIDStr);
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}
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catch (DirectoryException ignored)
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{
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if (debugEnabled())
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{
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TRACER.debugCaught(DebugLogLevel.ERROR, ignored);
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}
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}
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if (userDN != null && !userDN.isNullDN()) {
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// If the provided DN is an alternate DN for a root user,
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// then replace it with the actual root DN.
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DN actualRootDN = DirectoryServer.getActualRootBindDN(userDN);
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if (actualRootDN != null) {
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userDN = actualRootDN;
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}
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userEntry = getEntryByDN(operation, userDN);
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} else {
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try
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{
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userEntry = identityMapper.getEntryForID(authzIDStr);
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}
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catch (DirectoryException ignored)
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{
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if (debugEnabled())
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{
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TRACER.debugCaught(DebugLogLevel.ERROR, ignored);
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}
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}
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}
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if (userEntry == null) {
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// The userIdentity was invalid.
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operation.setResultCode(ResultCode.PROTOCOL_ERROR);
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operation.appendErrorMessage(
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ERR_EXTOP_PASSMOD_INVALID_AUTHZID_STRING.get(authzIDStr));
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return;
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}
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userDN = userEntry.getDN();
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}
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}
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|
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// At this point, we should have the user entry. Get the associated
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// password policy.
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PasswordPolicyState pwPolicyState;
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try
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{
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AuthenticationPolicy policy = AuthenticationPolicy.forUser(userEntry,
|
false);
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if (!policy.isPasswordPolicy())
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{
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operation.setResultCode(ResultCode.UNWILLING_TO_PERFORM);
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operation.appendErrorMessage(ERR_EXTOP_PASSMOD_ACCOUNT_NOT_LOCAL
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.get(String.valueOf(userDN)));
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return;
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}
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pwPolicyState = (PasswordPolicyState) policy
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.createAuthenticationPolicyState(userEntry);
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}
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catch (DirectoryException de)
|
{
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if (debugEnabled())
|
{
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TRACER.debugCaught(DebugLogLevel.ERROR, de);
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}
|
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operation.setResultCode(DirectoryServer.getServerErrorResultCode());
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operation.appendErrorMessage(
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ERR_EXTOP_PASSMOD_CANNOT_GET_PW_POLICY.get(
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String.valueOf(userDN),
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de.getMessageObject()));
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return;
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}
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|
|
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// Determine whether the user is changing his own password or if it's an
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// administrative reset. If it's an administrative reset, then the
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// requester must have the PASSWORD_RESET privilege.
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boolean selfChange;
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if (userIdentity == null)
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{
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selfChange = true;
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}
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else if (requestorEntry == null)
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{
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selfChange = (oldPassword != null);
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}
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else
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{
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selfChange = userDN.equals(requestorEntry.getDN());
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}
|
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if (! selfChange)
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{
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ClientConnection clientConnection = operation.getClientConnection();
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if (! clientConnection.hasPrivilege(Privilege.PASSWORD_RESET,
|
operation))
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{
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operation.appendErrorMessage(
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ERR_EXTOP_PASSMOD_INSUFFICIENT_PRIVILEGES.get());
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operation.setResultCode(ResultCode.INSUFFICIENT_ACCESS_RIGHTS);
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return;
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}
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}
|
|
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// See if the account is locked. If so, then reject the request.
|
if (pwPolicyState.isDisabled())
|
{
|
if (pwPolicyRequested)
|
{
|
pwPolicyErrorType = PasswordPolicyErrorType.ACCOUNT_LOCKED;
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operation.addResponseControl(
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new PasswordPolicyResponseControl(pwPolicyWarningType,
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pwPolicyWarningValue,
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pwPolicyErrorType));
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}
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operation.setResultCode(ResultCode.UNWILLING_TO_PERFORM);
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operation.appendErrorMessage(ERR_EXTOP_PASSMOD_ACCOUNT_DISABLED.get());
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return;
|
}
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else if (selfChange &&
|
(pwPolicyState.lockedDueToFailures() ||
|
pwPolicyState.lockedDueToIdleInterval() ||
|
pwPolicyState.lockedDueToMaximumResetAge()))
|
{
|
if (pwPolicyRequested)
|
{
|
pwPolicyErrorType = PasswordPolicyErrorType.ACCOUNT_LOCKED;
|
operation.addResponseControl(
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new PasswordPolicyResponseControl(pwPolicyWarningType,
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pwPolicyWarningValue,
|
pwPolicyErrorType));
|
}
|
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operation.setResultCode(ResultCode.UNWILLING_TO_PERFORM);
|
operation.appendErrorMessage(ERR_EXTOP_PASSMOD_ACCOUNT_LOCKED.get());
|
return;
|
}
|
|
|
// If the current password was provided, then we'll need to verify whether
|
// it was correct. If it wasn't provided but this is a self change, then
|
// make sure that's OK.
|
if (oldPassword == null)
|
{
|
if (selfChange
|
&& pwPolicyState.getAuthenticationPolicy()
|
.isPasswordChangeRequiresCurrentPassword())
|
{
|
operation.setResultCode(ResultCode.UNWILLING_TO_PERFORM);
|
operation.appendErrorMessage(
|
ERR_EXTOP_PASSMOD_REQUIRE_CURRENT_PW.get());
|
|
if (pwPolicyRequested)
|
{
|
pwPolicyErrorType =
|
PasswordPolicyErrorType.MUST_SUPPLY_OLD_PASSWORD;
|
operation.addResponseControl(
|
new PasswordPolicyResponseControl(pwPolicyWarningType,
|
pwPolicyWarningValue,
|
pwPolicyErrorType));
|
}
|
|
return;
|
}
|
}
|
else
|
{
|
if (pwPolicyState.getAuthenticationPolicy()
|
.isRequireSecureAuthentication()
|
&& !operation.getClientConnection().isSecure())
|
{
|
operation.setResultCode(ResultCode.CONFIDENTIALITY_REQUIRED);
|
operation.addAdditionalLogItem(AdditionalLogItem.quotedKeyValue(
|
getClass(), "additionalInfo",
|
ERR_EXTOP_PASSMOD_SECURE_AUTH_REQUIRED.get()));
|
return;
|
}
|
|
if (pwPolicyState.passwordMatches(oldPassword))
|
{
|
pwPolicyState.setLastLoginTime();
|
}
|
else
|
{
|
operation.setResultCode(ResultCode.INVALID_CREDENTIALS);
|
operation.addAdditionalLogItem(AdditionalLogItem.quotedKeyValue(
|
getClass(), "additionalInfo",
|
ERR_EXTOP_PASSMOD_INVALID_OLD_PASSWORD.get()));
|
|
pwPolicyState.updateAuthFailureTimes();
|
List<Modification> mods = pwPolicyState.getModifications();
|
if (! mods.isEmpty())
|
{
|
InternalClientConnection conn =
|
InternalClientConnection.getRootConnection();
|
conn.processModify(userDN, mods);
|
}
|
|
return;
|
}
|
}
|
|
|
// If it is a self password change and we don't allow that, then reject
|
// the request.
|
if (selfChange
|
&& !pwPolicyState.getAuthenticationPolicy()
|
.isAllowUserPasswordChanges())
|
{
|
if (pwPolicyRequested)
|
{
|
pwPolicyErrorType = PasswordPolicyErrorType.PASSWORD_MOD_NOT_ALLOWED;
|
operation.addResponseControl(
|
new PasswordPolicyResponseControl(pwPolicyWarningType,
|
pwPolicyWarningValue,
|
pwPolicyErrorType));
|
}
|
|
operation.setResultCode(ResultCode.UNWILLING_TO_PERFORM);
|
operation.appendErrorMessage(
|
ERR_EXTOP_PASSMOD_USER_PW_CHANGES_NOT_ALLOWED.get());
|
return;
|
}
|
|
|
// If we require secure password changes and the connection isn't secure,
|
// then reject the request.
|
if (pwPolicyState.getAuthenticationPolicy()
|
.isRequireSecurePasswordChanges()
|
&& !operation.getClientConnection().isSecure())
|
{
|
operation.setResultCode(ResultCode.CONFIDENTIALITY_REQUIRED);
|
operation.appendErrorMessage(
|
ERR_EXTOP_PASSMOD_SECURE_CHANGES_REQUIRED.get());
|
return;
|
}
|
|
|
// If it's a self-change request and the user is within the minimum age,
|
// then reject it.
|
if (selfChange && pwPolicyState.isWithinMinimumAge())
|
{
|
if (pwPolicyRequested)
|
{
|
pwPolicyErrorType = PasswordPolicyErrorType.PASSWORD_TOO_YOUNG;
|
operation.addResponseControl(
|
new PasswordPolicyResponseControl(pwPolicyWarningType,
|
pwPolicyWarningValue,
|
pwPolicyErrorType));
|
}
|
|
operation.setResultCode(ResultCode.UNWILLING_TO_PERFORM);
|
operation.appendErrorMessage(ERR_EXTOP_PASSMOD_IN_MIN_AGE.get());
|
return;
|
}
|
|
|
// If the user's password is expired and it's a self-change request, then
|
// see if that's OK.
|
if (selfChange
|
&& pwPolicyState.isPasswordExpired()
|
&& !pwPolicyState.getAuthenticationPolicy()
|
.isAllowExpiredPasswordChanges())
|
{
|
if (pwPolicyRequested)
|
{
|
pwPolicyErrorType = PasswordPolicyErrorType.PASSWORD_EXPIRED;
|
operation.addResponseControl(
|
new PasswordPolicyResponseControl(pwPolicyWarningType,
|
pwPolicyWarningValue,
|
pwPolicyErrorType));
|
}
|
|
operation.setResultCode(ResultCode.UNWILLING_TO_PERFORM);
|
operation.appendErrorMessage(
|
ERR_EXTOP_PASSMOD_PASSWORD_IS_EXPIRED.get());
|
return;
|
}
|
|
|
|
// If the a new password was provided, then perform any appropriate
|
// validation on it. If not, then see if we can generate one.
|
boolean generatedPassword = false;
|
boolean isPreEncoded = false;
|
if (newPassword == null)
|
{
|
try
|
{
|
newPassword = pwPolicyState.generatePassword();
|
if (newPassword == null)
|
{
|
operation.setResultCode(ResultCode.UNWILLING_TO_PERFORM);
|
operation.appendErrorMessage(
|
ERR_EXTOP_PASSMOD_NO_PW_GENERATOR.get());
|
return;
|
}
|
|
generatedPassword = true;
|
}
|
catch (DirectoryException de)
|
{
|
if (debugEnabled())
|
{
|
TRACER.debugCaught(DebugLogLevel.ERROR, de);
|
}
|
|
operation.setResultCode(de.getResultCode());
|
operation.appendErrorMessage(
|
ERR_EXTOP_PASSMOD_CANNOT_GENERATE_PW.get(
|
de.getMessageObject()));
|
return;
|
}
|
}
|
else
|
{
|
if (pwPolicyState.passwordIsPreEncoded(newPassword))
|
{
|
// The password modify extended operation isn't intended to be invoked
|
// by an internal operation or during synchronization, so we don't
|
// need to check for those cases.
|
isPreEncoded = true;
|
if (!pwPolicyState.getAuthenticationPolicy()
|
.isAllowPreEncodedPasswords())
|
{
|
operation.setResultCode(ResultCode.CONSTRAINT_VIOLATION);
|
operation.appendErrorMessage(
|
ERR_EXTOP_PASSMOD_PRE_ENCODED_NOT_ALLOWED.get());
|
return;
|
}
|
}
|
else
|
{
|
// Run the new password through the set of password validators.
|
if (selfChange
|
|| !pwPolicyState.getAuthenticationPolicy()
|
.isSkipValidationForAdministrators())
|
{
|
Set<ByteString> clearPasswords;
|
if (oldPassword == null)
|
{
|
clearPasswords =
|
new HashSet<ByteString>(pwPolicyState.getClearPasswords());
|
}
|
else
|
{
|
clearPasswords = new HashSet<ByteString>();
|
clearPasswords.add(oldPassword);
|
for (ByteString pw : pwPolicyState.getClearPasswords())
|
{
|
if (! pw.equals(oldPassword))
|
{
|
clearPasswords.add(pw);
|
}
|
}
|
}
|
|
MessageBuilder invalidReason = new MessageBuilder();
|
if (! pwPolicyState.passwordIsAcceptable(operation, userEntry,
|
newPassword,
|
clearPasswords,
|
invalidReason))
|
{
|
if (pwPolicyRequested)
|
{
|
pwPolicyErrorType =
|
PasswordPolicyErrorType.INSUFFICIENT_PASSWORD_QUALITY;
|
operation.addResponseControl(
|
new PasswordPolicyResponseControl(pwPolicyWarningType,
|
pwPolicyWarningValue,
|
pwPolicyErrorType));
|
}
|
|
operation.setResultCode(ResultCode.CONSTRAINT_VIOLATION);
|
operation.appendErrorMessage(
|
ERR_EXTOP_PASSMOD_UNACCEPTABLE_PW.get(
|
String.valueOf(invalidReason)));
|
return;
|
}
|
}
|
|
|
// Prepare to update the password history, if necessary.
|
if (pwPolicyState.maintainHistory())
|
{
|
if (pwPolicyState.isPasswordInHistory(newPassword))
|
{
|
if (selfChange
|
|| !pwPolicyState.getAuthenticationPolicy()
|
.isSkipValidationForAdministrators())
|
{
|
operation.setResultCode(ResultCode.CONSTRAINT_VIOLATION);
|
operation.appendErrorMessage(
|
ERR_EXTOP_PASSMOD_PW_IN_HISTORY.get());
|
return;
|
}
|
}
|
else
|
{
|
pwPolicyState.updatePasswordHistory();
|
}
|
}
|
}
|
}
|
|
|
// Get the encoded forms of the new password.
|
List<ByteString> encodedPasswords;
|
if (isPreEncoded)
|
{
|
encodedPasswords = new ArrayList<ByteString>(1);
|
encodedPasswords.add(newPassword);
|
}
|
else
|
{
|
try
|
{
|
encodedPasswords = pwPolicyState.encodePassword(newPassword);
|
}
|
catch (DirectoryException de)
|
{
|
if (debugEnabled())
|
{
|
TRACER.debugCaught(DebugLogLevel.ERROR, de);
|
}
|
|
operation.setResultCode(de.getResultCode());
|
operation.appendErrorMessage(
|
ERR_EXTOP_PASSMOD_CANNOT_ENCODE_PASSWORD.get(
|
de.getMessageObject()));
|
return;
|
}
|
}
|
|
|
// If the current password was provided, then remove all matching values
|
// from the user's entry and replace them with the new password.
|
// Otherwise replace all password values.
|
AttributeType attrType = pwPolicyState.getAuthenticationPolicy()
|
.getPasswordAttribute();
|
List<Modification> modList = new ArrayList<Modification>();
|
if (oldPassword != null)
|
{
|
// Remove all existing encoded values that match the old password.
|
Set<AttributeValue> existingValues = pwPolicyState.getPasswordValues();
|
Set<AttributeValue> deleteValues =
|
new LinkedHashSet<AttributeValue>(existingValues.size());
|
if (pwPolicyState.getAuthenticationPolicy().isAuthPasswordSyntax())
|
{
|
for (AttributeValue v : existingValues)
|
{
|
try
|
{
|
StringBuilder[] components =
|
AuthPasswordSyntax.decodeAuthPassword(v.getValue().toString());
|
PasswordStorageScheme<?> scheme =
|
DirectoryServer.getAuthPasswordStorageScheme(
|
components[0].toString());
|
if (scheme == null)
|
{
|
// The password is encoded using an unknown scheme. Remove it
|
// from the user's entry.
|
deleteValues.add(v);
|
}
|
else
|
{
|
if (scheme.authPasswordMatches(oldPassword,
|
components[1].toString(),
|
components[2].toString()))
|
{
|
deleteValues.add(v);
|
}
|
}
|
}
|
catch (DirectoryException de)
|
{
|
if (debugEnabled())
|
{
|
TRACER.debugCaught(DebugLogLevel.ERROR, de);
|
}
|
|
// We couldn't decode the provided password value, so remove it
|
// from the user's entry.
|
deleteValues.add(v);
|
}
|
}
|
}
|
else
|
{
|
for (AttributeValue v : existingValues)
|
{
|
try
|
{
|
String[] components =
|
UserPasswordSyntax.decodeUserPassword(v.getValue().toString());
|
PasswordStorageScheme<?> scheme =
|
DirectoryServer.getPasswordStorageScheme(
|
toLowerCase(components[0]));
|
if (scheme == null)
|
{
|
// The password is encoded using an unknown scheme. Remove it
|
// from the user's entry.
|
deleteValues.add(v);
|
}
|
else
|
{
|
if (scheme.passwordMatches(oldPassword,
|
ByteString.valueOf(components[1])))
|
{
|
deleteValues.add(v);
|
}
|
}
|
}
|
catch (DirectoryException de)
|
{
|
if (debugEnabled())
|
{
|
TRACER.debugCaught(DebugLogLevel.ERROR, de);
|
}
|
|
// We couldn't decode the provided password value, so remove it
|
// from the user's entry.
|
deleteValues.add(v);
|
}
|
}
|
}
|
|
AttributeBuilder builder = new AttributeBuilder(attrType);
|
builder.addAll(deleteValues);
|
Attribute deleteAttr = builder.toAttribute();
|
modList.add(new Modification(ModificationType.DELETE, deleteAttr));
|
|
|
builder = new AttributeBuilder(attrType);
|
builder.addAll(toAttributeValues(attrType, encodedPasswords));
|
Attribute addAttr = builder.toAttribute();
|
modList.add(new Modification(ModificationType.ADD, addAttr));
|
}
|
else
|
{
|
AttributeBuilder builder = new AttributeBuilder(attrType);
|
builder.addAll(toAttributeValues(attrType, encodedPasswords));
|
Attribute addAttr = builder.toAttribute();
|
modList.add(new Modification(ModificationType.REPLACE, addAttr));
|
}
|
|
|
// Update the password changed time for the user entry.
|
pwPolicyState.setPasswordChangedTime();
|
|
|
// If the password was changed by an end user, then clear any reset flag
|
// that might exist. If the password was changed by an administrator,
|
// then see if we need to set the reset flag.
|
if (selfChange)
|
{
|
pwPolicyState.setMustChangePassword(false);
|
}
|
else
|
{
|
pwPolicyState.setMustChangePassword(
|
pwPolicyState.getAuthenticationPolicy().isForceChangeOnReset());
|
}
|
|
|
// Clear any record of grace logins, auth failures, and expiration
|
// warnings.
|
pwPolicyState.clearFailureLockout();
|
pwPolicyState.clearGraceLoginTimes();
|
pwPolicyState.clearWarnedTime();
|
|
|
// If the LDAP no-op control was included in the request, then set the
|
// appropriate response. Otherwise, process the operation.
|
if (noOpRequested)
|
{
|
operation.appendErrorMessage(WARN_EXTOP_PASSMOD_NOOP.get());
|
operation.setResultCode(ResultCode.NO_OPERATION);
|
return;
|
}
|
|
if (selfChange && requestorEntry == null)
|
{
|
requestorEntry = userEntry;
|
}
|
|
// Get an internal connection and use it to perform the modification.
|
boolean isRoot = DirectoryServer.isRootDN(requestorEntry.getDN());
|
AuthenticationInfo authInfo = new AuthenticationInfo(requestorEntry,
|
isRoot);
|
InternalClientConnection internalConnection = new
|
InternalClientConnection(authInfo);
|
|
ModifyOperation modifyOperation =
|
internalConnection.processModify(userDN, modList);
|
ResultCode resultCode = modifyOperation.getResultCode();
|
if (resultCode != ResultCode.SUCCESS)
|
{
|
operation.setResultCode(resultCode);
|
operation.setErrorMessage(modifyOperation.getErrorMessage());
|
operation.setReferralURLs(modifyOperation.getReferralURLs());
|
return;
|
}
|
|
|
// If there were any password policy state changes, we need to apply
|
// them using a root connection because the end user may not have
|
// sufficient access to apply them. This is less efficient than
|
// doing them all in the same modification, but it's safer.
|
List<Modification> pwPolicyMods = pwPolicyState.getModifications();
|
if (! pwPolicyMods.isEmpty())
|
{
|
InternalClientConnection rootConnection =
|
InternalClientConnection.getRootConnection();
|
ModifyOperation modOp =
|
rootConnection.processModify(userDN, pwPolicyMods);
|
if (modOp.getResultCode() != ResultCode.SUCCESS)
|
{
|
// At this point, the user's password is already changed so there's
|
// not much point in returning a non-success result. However, we
|
// should at least log that something went wrong.
|
ErrorLogger.logError(WARN_EXTOP_PASSMOD_CANNOT_UPDATE_PWP_STATE.get(
|
String.valueOf(userDN),
|
String.valueOf(modOp.getResultCode()),
|
modOp.getErrorMessage()));
|
}
|
}
|
|
|
// If we've gotten here, then everything is OK, so indicate that the
|
// operation was successful.
|
operation.setResultCode(ResultCode.SUCCESS);
|
|
// Save attachments for post-op plugins (e.g. Samba password plugin).
|
operation.setAttachment(AUTHZ_DN_ATTACHMENT, userDN);
|
operation.setAttachment(PWD_ATTRIBUTE_ATTACHMENT, pwPolicyState
|
.getAuthenticationPolicy().getPasswordAttribute());
|
if (!isPreEncoded)
|
{
|
operation.setAttachment(CLEAR_PWD_ATTACHMENT, newPassword);
|
}
|
operation.setAttachment(ENCODED_PWD_ATTACHMENT, encodedPasswords);
|
|
// If a password was generated, then include it in the response.
|
if (generatedPassword)
|
{
|
ByteStringBuilder builder = new ByteStringBuilder();
|
ASN1Writer writer = ASN1.getWriter(builder);
|
|
try
|
{
|
writer.writeStartSequence();
|
writer.writeOctetString(TYPE_PASSWORD_MODIFY_GENERATED_PASSWORD,
|
newPassword);
|
writer.writeEndSequence();
|
}
|
catch (IOException e)
|
{
|
TRACER.debugCaught(DebugLogLevel.ERROR, e);
|
}
|
|
operation.setResponseValue(builder.toByteString());
|
}
|
|
|
// If this was a self password change, and the client is authenticated
|
// as the user whose password was changed, then clear the "must change
|
// password" flag in the client connection. Note that we're using the
|
// authentication DN rather than the authorization DN in this case to
|
// avoid mistakenly clearing the flag for the wrong user.
|
if (selfChange && (authInfo.getAuthenticationDN() != null) &&
|
(authInfo.getAuthenticationDN().equals(userDN)))
|
{
|
operation.getClientConnection().setMustChangePassword(false);
|
}
|
|
|
// If the password policy control was requested, then add the
|
// appropriate response control.
|
if (pwPolicyRequested)
|
{
|
operation.addResponseControl(
|
new PasswordPolicyResponseControl(pwPolicyWarningType,
|
pwPolicyWarningValue,
|
pwPolicyErrorType));
|
}
|
|
// Handle Account Status Notifications that may be needed.
|
// They are not handled by the backend for internal operations.
|
List<AttributeValue> currentPasswords = null;
|
if (oldPassword != null)
|
{
|
currentPasswords = new ArrayList<AttributeValue>(1);
|
currentPasswords.add(AttributeValues
|
.create(oldPassword, oldPassword));
|
}
|
List<AttributeValue> newPasswords = null;
|
if (newPassword != null)
|
{
|
newPasswords = new ArrayList<AttributeValue>(1);
|
newPasswords.add(AttributeValues
|
.create(newPassword, newPassword));
|
}
|
if (selfChange)
|
{
|
Message message = INFO_MODIFY_PASSWORD_CHANGED.get();
|
pwPolicyState.generateAccountStatusNotification(
|
AccountStatusNotificationType.PASSWORD_CHANGED,
|
userEntry, message,
|
AccountStatusNotification.createProperties(pwPolicyState, false,
|
-1, currentPasswords, newPasswords));
|
}
|
else
|
{
|
Message message = INFO_MODIFY_PASSWORD_RESET.get();
|
pwPolicyState.generateAccountStatusNotification(
|
AccountStatusNotificationType.PASSWORD_RESET,
|
userEntry, message,
|
AccountStatusNotification.createProperties(pwPolicyState, false,
|
-1, currentPasswords, newPasswords));
|
}
|
}
|
finally
|
{
|
if (userLock != null)
|
{
|
LockManager.unlock(userDN, userLock);
|
}
|
}
|
}
|
|
private Collection<AttributeValue> toAttributeValues(AttributeType attrType,
|
Collection<ByteString> values)
|
{
|
Set<AttributeValue> results =
|
new LinkedHashSet<AttributeValue>(values.size());
|
for (ByteString s : values)
|
{
|
results.add(AttributeValues.create(attrType, s));
|
}
|
return results;
|
}
|
|
/**
|
* Retrieves the entry for the specified user based on the provided DN. If
|
* any problem is encountered or the requested entry does not exist, then the
|
* provided operation will be updated with appropriate result information and
|
* this method will return <CODE>null</CODE>. The caller must hold a write
|
* lock on the specified entry.
|
*
|
* @param operation The extended operation being processed.
|
* @param entryDN The DN of the user entry to retrieve.
|
*
|
* @return The requested entry, or <CODE>null</CODE> if there was no such
|
* entry or it could not be retrieved.
|
*/
|
private Entry getEntryByDN(ExtendedOperation operation, DN entryDN)
|
{
|
// Retrieve the user's entry from the directory. If it does not exist, then
|
// fail.
|
try
|
{
|
Entry userEntry = DirectoryServer.getEntry(entryDN);
|
|
if (userEntry == null)
|
{
|
operation.setResultCode(ResultCode.NO_SUCH_OBJECT);
|
operation.appendErrorMessage(
|
ERR_EXTOP_PASSMOD_NO_USER_ENTRY_BY_AUTHZID.get(
|
String.valueOf(entryDN)));
|
|
// See if one of the entry's ancestors exists.
|
operation.setMatchedDN(findMatchedDN(entryDN));
|
return null;
|
}
|
|
return userEntry;
|
}
|
catch (DirectoryException de)
|
{
|
if (debugEnabled())
|
{
|
TRACER.debugCaught(DebugLogLevel.ERROR, de);
|
}
|
|
operation.setResultCode(de.getResultCode());
|
operation.appendErrorMessage(de.getMessageObject());
|
operation.setMatchedDN(de.getMatchedDN());
|
operation.setReferralURLs(de.getReferralURLs());
|
return null;
|
}
|
}
|
|
private DN findMatchedDN(DN entryDN)
|
{
|
try
|
{
|
DN matchedDN = entryDN.getParentDNInSuffix();
|
while (matchedDN != null)
|
{
|
if (DirectoryServer.entryExists(matchedDN))
|
{
|
return matchedDN;
|
}
|
|
matchedDN = matchedDN.getParentDNInSuffix();
|
}
|
}
|
catch (Exception e)
|
{
|
if (debugEnabled())
|
{
|
TRACER.debugCaught(DebugLogLevel.ERROR, e);
|
}
|
}
|
return null;
|
}
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public boolean isConfigurationAcceptable(ExtendedOperationHandlerCfg
|
configuration,
|
List<Message> unacceptableReasons)
|
{
|
PasswordModifyExtendedOperationHandlerCfg config =
|
(PasswordModifyExtendedOperationHandlerCfg) configuration;
|
return isConfigurationChangeAcceptable(config, unacceptableReasons);
|
}
|
|
|
|
/**
|
* Indicates whether the provided configuration entry has an acceptable
|
* configuration for this component. If it does not, then detailed
|
* information about the problem(s) should be added to the provided list.
|
*
|
* @param config The configuration entry for which to make the
|
* determination.
|
* @param unacceptableReasons A list that can be used to hold messages about
|
* why the provided entry does not have an
|
* acceptable configuration.
|
*
|
* @return <CODE>true</CODE> if the provided entry has an acceptable
|
* configuration for this component, or <CODE>false</CODE> if not.
|
*/
|
@Override
|
public boolean isConfigurationChangeAcceptable(
|
PasswordModifyExtendedOperationHandlerCfg config,
|
List<Message> unacceptableReasons)
|
{
|
// Make sure that the specified identity mapper is OK.
|
try
|
{
|
DN mapperDN = config.getIdentityMapperDN();
|
IdentityMapper<?> mapper = DirectoryServer.getIdentityMapper(mapperDN);
|
if (mapper == null)
|
{
|
Message message = ERR_EXTOP_PASSMOD_NO_SUCH_ID_MAPPER.get(
|
String.valueOf(mapperDN),
|
String.valueOf(config.dn()));
|
unacceptableReasons.add(message);
|
return false;
|
}
|
}
|
catch (Exception e)
|
{
|
if (debugEnabled())
|
{
|
TRACER.debugCaught(DebugLogLevel.ERROR, e);
|
}
|
|
Message message = ERR_EXTOP_PASSMOD_CANNOT_DETERMINE_ID_MAPPER.get(
|
String.valueOf(config.dn()),
|
getExceptionMessage(e));
|
unacceptableReasons.add(message);
|
return false;
|
}
|
|
|
// If we've gotten here, then everything is OK.
|
return true;
|
}
|
|
|
|
/**
|
* Makes a best-effort attempt to apply the configuration contained in the
|
* provided entry. Information about the result of this processing should be
|
* added to the provided message list. Information should always be added to
|
* this list if a configuration change could not be applied. If detailed
|
* results are requested, then information about the changes applied
|
* successfully (and optionally about parameters that were not changed) should
|
* also be included.
|
*
|
* @param config The entry containing the new configuration to
|
* apply for this component.
|
*
|
* @return Information about the result of the configuration update.
|
*/
|
@Override
|
public ConfigChangeResult applyConfigurationChange(
|
PasswordModifyExtendedOperationHandlerCfg config)
|
{
|
ResultCode resultCode = ResultCode.SUCCESS;
|
boolean adminActionRequired = false;
|
List<Message> messages = new ArrayList<Message>();
|
|
|
// Make sure that the specified identity mapper is OK.
|
DN mapperDN = null;
|
IdentityMapper<?> mapper = null;
|
try
|
{
|
mapperDN = config.getIdentityMapperDN();
|
mapper = DirectoryServer.getIdentityMapper(mapperDN);
|
if (mapper == null)
|
{
|
resultCode = ResultCode.CONSTRAINT_VIOLATION;
|
|
messages.add(ERR_EXTOP_PASSMOD_NO_SUCH_ID_MAPPER.get(
|
String.valueOf(mapperDN),
|
String.valueOf(config.dn())));
|
}
|
}
|
catch (Exception e)
|
{
|
if (debugEnabled())
|
{
|
TRACER.debugCaught(DebugLogLevel.ERROR, e);
|
}
|
|
resultCode = DirectoryServer.getServerErrorResultCode();
|
|
messages.add(ERR_EXTOP_PASSMOD_CANNOT_DETERMINE_ID_MAPPER.get(
|
String.valueOf(config.dn()),
|
getExceptionMessage(e)));
|
}
|
|
|
// If all of the changes were acceptable, then apply them.
|
if (resultCode == ResultCode.SUCCESS)
|
{
|
if (! identityMapperDN.equals(mapperDN))
|
{
|
identityMapper = mapper;
|
identityMapperDN = mapperDN;
|
}
|
}
|
|
|
// Save this configuration for future reference.
|
currentConfig = config;
|
|
return new ConfigChangeResult(resultCode, adminActionRequired, messages);
|
}
|
|
/** {@inheritDoc} */
|
@Override
|
public String getExtendedOperationOID()
|
{
|
return OID_PASSWORD_MODIFY_REQUEST;
|
}
|
|
/** {@inheritDoc} */
|
@Override
|
public String getExtendedOperationName()
|
{
|
return "Password Modify";
|
}
|
}
|
