| /* |
| * Copyright (c) 2003, 2008, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package java.lang.management; |
| |
| /** |
| * The permission which the SecurityManager will check when code |
| * that is running with a SecurityManager calls methods defined |
| * in the management interface for the Java platform. |
| * <P> |
| * The following table |
| * provides a summary description of what the permission allows, |
| * and discusses the risks of granting code the permission. |
| * <P> |
| * |
| * <table border=1 cellpadding=5 summary="Table shows permission target name, wh |
| at the permission allows, and associated risks"> |
| * <tr> |
| * <th>Permission Target Name</th> |
| * <th>What the Permission Allows</th> |
| * <th>Risks of Allowing this Permission</th> |
| * </tr> |
| * |
| * <tr> |
| * <td>control</td> |
| * <td>Ability to control the runtime characteristics of the Java virtual |
| * machine, for example, setting the -verbose:gc and -verbose:class flag, |
| * setting the threshold of a memory pool, and enabling and disabling |
| * the thread contention monitoring support. |
| * </td> |
| * <td>This allows an attacker to control the runtime characteristics |
| * of the Java virtual machine and cause the system to misbehave. |
| * </td> |
| * </tr> |
| * <tr> |
| * <td>monitor</td> |
| * <td>Ability to retrieve runtime information about |
| * the Java virtual machine such as thread |
| * stack trace, a list of all loaded class names, and input arguments |
| * to the Java virtual machine.</td> |
| * <td>This allows malicious code to monitor runtime information and |
| * uncover vulnerabilities.</td> |
| * </tr> |
| * |
| * </table> |
| * |
| * <p> |
| * Programmers do not normally create ManagementPermission objects directly. |
| * Instead they are created by the security policy code based on reading |
| * the security policy file. |
| * |
| * @author Mandy Chung |
| * @since 1.5 |
| * |
| * @see java.security.BasicPermission |
| * @see java.security.Permission |
| * @see java.security.Permissions |
| * @see java.security.PermissionCollection |
| * @see java.lang.SecurityManager |
| * |
| */ |
| |
| public final class ManagementPermission extends java.security.BasicPermission { |
| private static final long serialVersionUID = 1897496590799378737L; |
| |
| /** |
| * Constructs a ManagementPermission with the specified name. |
| * |
| * @param name Permission name. Must be either "monitor" or "control". |
| * |
| * @throws NullPointerException if <code>name</code> is <code>null</code>. |
| * @throws IllegalArgumentException if <code>name</code> is empty or invalid. |
| */ |
| public ManagementPermission(String name) { |
| super(name); |
| if (!name.equals("control") && !name.equals("monitor")) { |
| throw new IllegalArgumentException("name: " + name); |
| } |
| } |
| |
| /** |
| * Constructs a new ManagementPermission object. |
| * |
| * @param name Permission name. Must be either "monitor" or "control". |
| * @param actions Must be either null or the empty string. |
| * |
| * @throws NullPointerException if <code>name</code> is <code>null</code>. |
| * @throws IllegalArgumentException if <code>name</code> is empty or |
| * if arguments are invalid. |
| */ |
| public ManagementPermission(String name, String actions) |
| throws IllegalArgumentException { |
| super(name); |
| if (!name.equals("control") && !name.equals("monitor")) { |
| throw new IllegalArgumentException("name: " + name); |
| } |
| if (actions != null && actions.length() > 0) { |
| throw new IllegalArgumentException("actions: " + actions); |
| } |
| } |
| } |