122 lines
4.6 KiB
Java
122 lines
4.6 KiB
Java
/* AWTPermission.java -- AWT related permissions
|
|
Copyright (C) 2000, 2002 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., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 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.awt;
|
|
|
|
import java.security.BasicPermission;
|
|
|
|
/**
|
|
* This class implements permissions for AWT. This is a named
|
|
* permission. No actions are defined.
|
|
*
|
|
* <p>The following table provides a list of all the possible AWTPermission
|
|
* permission names with a description of what that permission allows.<br>
|
|
* <table border=1>
|
|
* <tr><th>Permission Name</th><th>Permission Allows</th><th>Risks</th</tr>
|
|
* <tr>
|
|
* <td><code>accessClipboard</code></td>
|
|
* <td>posting and reading the AWT clipboard</td>
|
|
* <td>the clipboard may contain sensitive data</td></tr>
|
|
* <tr>
|
|
* <td><code>accessEventQueue</code></td>
|
|
* <td>access to the AWT event queue</td>
|
|
* <td>malicious code could remove real events and replace them with bogus
|
|
* ones, including simulating the user granting permission</td></tr>
|
|
* <tr>
|
|
* <td><code>listenToAllAWTEvents</code></td>
|
|
* <td>listen to system-wide AWT events</td>
|
|
* <td>malicious code can read passwords entered in an AWT event, and in
|
|
* combination with accessEventQueue, could fake system events</td></tr>
|
|
* <tr>
|
|
* <td><code>showWindowWithoutWarningBanner</code></td>
|
|
* <td>display a window without a banner notification of insecurity</td>
|
|
* <td>malicious code could install a Trojan horse applet that looks like
|
|
* a normal window, and thus steal data like passwords</td></tr>
|
|
* <tr>
|
|
* <td><code>readDisplayPixels</code></td>
|
|
* <td>read back pixels from the display screen</td>
|
|
* <td>malicious code could snoop on the user's actions</td></tr>
|
|
* <tr>
|
|
* <td><code>createRobot</code></td>
|
|
* <td>create an instance of java.awt.Robot</td>
|
|
* <td>these objects can generate events as though they were the user; so
|
|
* malicious code could control the system</td></tr>
|
|
* <tr>
|
|
* <td><code>fullScreenExclusive</code></td>
|
|
* <td>enter full-screen exclusive mode</td>
|
|
* <td>malicious code could masquerade as a trusted program</td><tr>
|
|
* </table>
|
|
*
|
|
* @author Tom Tromey <tromey@redhat.com>
|
|
* @since 1.2
|
|
* @status updated to 1.4
|
|
*/
|
|
public final class AWTPermission extends BasicPermission
|
|
{
|
|
/**
|
|
* Compatible with JDK 1.2+.
|
|
*/
|
|
private static final long serialVersionUID = 8890392402588814465L;
|
|
|
|
/**
|
|
* Construct a AWTPermission with the given name.
|
|
*
|
|
* @param name the permission name
|
|
* @throws NullPointerException if name is null
|
|
* @throws IllegalArgumentException if name is invalid
|
|
*/
|
|
public AWTPermission(String name)
|
|
{
|
|
super(name);
|
|
}
|
|
|
|
/**
|
|
* Create a new permission with the specified name. The actions argument
|
|
* is ignored, as AWT permissions have no actions.
|
|
*
|
|
* @param name the permission name
|
|
* @param actions ignored
|
|
* @throws NullPointerException if name is null
|
|
* @throws IllegalArgumentException if name is invalid
|
|
*/
|
|
public AWTPermission(String name, String actions)
|
|
{
|
|
super(name);
|
|
}
|
|
} // class AWTPermission
|