109 lines
4.3 KiB
Java
109 lines
4.3 KiB
Java
/*
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* Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package javax.management;
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import java.security.BasicPermission;
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import java.io.IOException;
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import java.io.InvalidObjectException;
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import java.io.ObjectInputStream;
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/**
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* This permission represents "trust" in a signer or codebase.
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* <p>
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* MBeanTrustPermission contains a target name but no actions list.
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* A single target name, "register", is defined for this permission.
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* The target "*" is also allowed, permitting "register" and any future
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* targets that may be defined.
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* Only the null value or the empty string are allowed for the action
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* to allow the policy object to create the permissions specified in
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* the policy file.
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* <p>
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* If a signer, or codesource is granted this permission, then it is
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* considered a trusted source for MBeans. Only MBeans from trusted
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* sources may be registered in the MBeanServer.
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*
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* @since 1.5
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*/
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public class MBeanTrustPermission extends BasicPermission {
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private static final long serialVersionUID = -2952178077029018140L;
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/** <p>Create a new MBeanTrustPermission with the given name.</p>
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<p>This constructor is equivalent to
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<code>MBeanTrustPermission(name,null)</code>.</p>
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@param name the name of the permission. It must be
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"register" or "*" for this permission.
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*
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* @throws NullPointerException if <code>name</code> is <code>null</code>.
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* @throws IllegalArgumentException if <code>name</code> is neither
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* "register" nor "*".
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*/
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public MBeanTrustPermission(String name) {
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this(name, null);
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}
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/** <p>Create a new MBeanTrustPermission with the given name.</p>
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@param name the name of the permission. It must be
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"register" or "*" for this permission.
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@param actions the actions for the permission. It must be
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null or <code>""</code>.
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*
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* @throws NullPointerException if <code>name</code> is <code>null</code>.
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* @throws IllegalArgumentException if <code>name</code> is neither
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* "register" nor "*"; or if <code>actions</code> is a non-null
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* non-empty string.
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*/
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public MBeanTrustPermission(String name, String actions) {
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super(name, actions);
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validate(name,actions);
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}
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private static void validate(String name, String actions) {
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/* Check that actions is a null empty string */
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if (actions != null && actions.length() > 0) {
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throw new IllegalArgumentException("MBeanTrustPermission actions must be null: " +
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actions);
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}
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if (!name.equals("register") && !name.equals("*")) {
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throw new IllegalArgumentException("MBeanTrustPermission: Unknown target name " +
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"[" + name + "]");
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}
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}
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private void readObject(ObjectInputStream in)
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throws IOException, ClassNotFoundException {
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// Reading private fields of base class
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in.defaultReadObject();
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try {
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validate(super.getName(),super.getActions());
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} catch (IllegalArgumentException e) {
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throw new InvalidObjectException(e.getMessage());
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}
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}
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}
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