| /* ManagementPermission.java - Permissions for system management. |
| Copyright (C) 2006 Free Software Foundation |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| package java.lang.management; |
| |
| import java.security.BasicPermission; |
| |
| /** |
| * <p> |
| * Represents the permission to view or modify the data |
| * which forms part of the system management interfaces. |
| * Calls to methods of the system management beans, |
| * provided by the {@link ManagementFactory}, may perform |
| * checks against the current {@link java.lang.SecurityManager} |
| * (if any) before allowing the operation to proceed. |
| * Instances of this object are supplied to the |
| * {@link java.lang.SecurityManager} in order to perform |
| * these checks. It is not normal for instances of this |
| * class to be created outside the use of the |
| * {@link java.lang.SecurityManager}. |
| * </p> |
| * <p> |
| * This object can represent two types of management |
| * permission: |
| * </p> |
| * <ul> |
| * <li><strong>monitor</strong> — this allows access |
| * to information such as the arguments supplied to the |
| * virtual machine, the currently loaded classes and the |
| * stack traces of running threads. Malicious code may |
| * use this to obtain information about the system and |
| * exploit any vulnerabilities found.</li> |
| * <li><strong>control</strong> — this allows the |
| * information stored by the management beans to be altered. |
| * For example, additional debugging information (such |
| * as class loading traces) may be turned on or memory |
| * usage limits changed. Malicious code could use |
| * this to alter the behaviour of the system.</li> |
| * </ul> |
| * |
| * @author Andrew John Hughes (gnu_andrew@member.fsf.org) |
| * @since 1.5 |
| */ |
| public final class ManagementPermission |
| extends BasicPermission |
| { |
| |
| /** |
| * Compatible with JDK 1.5 |
| */ |
| private static final long serialVersionUID = 1897496590799378737L; |
| |
| /** |
| * Constructs a new <code>ManagementPermission</code> |
| * for one of the two permission targets, "monitor" |
| * and "control". |
| * |
| * @param name the name of the permission this instance |
| * should represent; either "monitor" or |
| * "control". |
| * @throws IllegalArgumentException if the name is not |
| * either "monitor" |
| * or "control". |
| */ |
| public ManagementPermission(String name) |
| { |
| super(name); |
| if (!(name.equals("monitor") || name.equals("control"))) |
| throw new IllegalArgumentException("Invalid permission."); |
| } |
| |
| /** |
| * Constructs a new <code>ManagementPermission</code> |
| * for one of the two permission targets, "monitor" |
| * and "control". Actions are not supported, so |
| * this value should be either <code>null</code> |
| * or the empty string. |
| * |
| * @param name the name of the permission this instance |
| * should represent; either "monitor" or |
| * "control". |
| * @param actions either <code>null</code> or the |
| * empty string. |
| * @throws IllegalArgumentException if the name is not |
| * either "monitor" |
| * or "control", or |
| * a value for actions |
| * is specified. |
| */ |
| public ManagementPermission(String name, String actions) |
| { |
| this(name); |
| if (!(actions == null || actions.equals(""))) |
| throw new IllegalArgumentException("Invalid actions."); |
| } |
| |
| } |
| |