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jeremybenn |
/* AWTPermission.java -- AWT related permissions
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Copyright (C) 2000, 2002 Free Software Foundation
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.awt;
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import java.security.BasicPermission;
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/**
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* This class implements permissions for AWT. This is a named
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* permission. No actions are defined.
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*
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* <p>The following table provides a list of all the possible AWTPermission
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* permission names with a description of what that permission allows.<br>
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* <table border=1>
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* <tr><th>Permission Name</th><th>Permission Allows</th><th>Risks</th</tr>
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* <tr>
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* <td><code>accessClipboard</code></td>
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* <td>posting and reading the AWT clipboard</td>
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* <td>the clipboard may contain sensitive data</td></tr>
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* <tr>
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* <td><code>accessEventQueue</code></td>
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* <td>access to the AWT event queue</td>
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* <td>malicious code could remove real events and replace them with bogus
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* ones, including simulating the user granting permission</td></tr>
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* <tr>
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* <td><code>listenToAllAWTEvents</code></td>
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* <td>listen to system-wide AWT events</td>
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* <td>malicious code can read passwords entered in an AWT event, and in
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* combination with accessEventQueue, could fake system events</td></tr>
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* <tr>
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* <td><code>showWindowWithoutWarningBanner</code></td>
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* <td>display a window without a banner notification of insecurity</td>
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* <td>malicious code could install a Trojan horse applet that looks like
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* a normal window, and thus steal data like passwords</td></tr>
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* <tr>
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* <td><code>readDisplayPixels</code></td>
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* <td>read back pixels from the display screen</td>
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* <td>malicious code could snoop on the user's actions</td></tr>
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* <tr>
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* <td><code>createRobot</code></td>
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* <td>create an instance of java.awt.Robot</td>
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* <td>these objects can generate events as though they were the user; so
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* malicious code could control the system</td></tr>
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* <tr>
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* <td><code>fullScreenExclusive</code></td>
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* <td>enter full-screen exclusive mode</td>
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* <td>malicious code could masquerade as a trusted program</td></tr>
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* </table>
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*
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* @author Tom Tromey (tromey@redhat.com)
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* @since 1.2
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* @status updated to 1.4
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*/
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public final class AWTPermission extends BasicPermission
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{
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/**
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* Compatible with JDK 1.2+.
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*/
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private static final long serialVersionUID = 8890392402588814465L;
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/**
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* Construct a AWTPermission with the given name.
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*
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* @param name the permission name
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* @throws NullPointerException if name is null
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* @throws IllegalArgumentException if name is invalid
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*/
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public AWTPermission(String name)
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{
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super(name);
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}
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/**
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* Create a new permission with the specified name. The actions argument
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* is ignored, as AWT permissions have no actions.
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*
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* @param name the permission name
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* @param actions ignored
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* @throws NullPointerException if name is null
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* @throws IllegalArgumentException if name is invalid
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*/
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public AWTPermission(String name, String actions)
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{
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super(name);
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}
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} // class AWTPermission
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