Source for java.awt.AWTPermission

   1: /* AWTPermission.java -- AWT related permissions
   2:    Copyright (C) 2000, 2002  Free Software Foundation
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: 
  39: package java.awt;
  40: 
  41: import java.security.BasicPermission;
  42: 
  43: /**
  44:  * This class implements permissions for AWT.  This is a named
  45:  * permission.  No actions are defined.
  46:  *
  47:  * <p>The following table provides a list of all the possible AWTPermission
  48:  * permission names with a description of what that permission allows.<br>
  49:  * <table border=1>
  50:  * <tr><th>Permission Name</th><th>Permission Allows</th><th>Risks</th</tr>
  51:  * <tr>
  52:  *   <td><code>accessClipboard</code></td>
  53:  *   <td>posting and reading the AWT clipboard</td>
  54:  *   <td>the clipboard may contain sensitive data</td></tr>
  55:  * <tr>
  56:  *   <td><code>accessEventQueue</code></td>
  57:  *   <td>access to the AWT event queue</td>
  58:  *   <td>malicious code could remove real events and replace them with bogus
  59:  *       ones, including simulating the user granting permission</td></tr>
  60:  * <tr>
  61:  *   <td><code>listenToAllAWTEvents</code></td>
  62:  *   <td>listen to system-wide AWT events</td>
  63:  *   <td>malicious code can read passwords entered in an AWT event, and in
  64:  *       combination with accessEventQueue, could fake system events</td></tr>
  65:  * <tr>
  66:  *   <td><code>showWindowWithoutWarningBanner</code></td>
  67:  *   <td>display a window without a banner notification of insecurity</td>
  68:  *   <td>malicious code could install a Trojan horse applet that looks like
  69:  *       a normal window, and thus steal data like passwords</td></tr>
  70:  * <tr>
  71:  *   <td><code>readDisplayPixels</code></td>
  72:  *   <td>read back pixels from the display screen</td>
  73:  *   <td>malicious code could snoop on the user's actions</td></tr>
  74:  * <tr>
  75:  *   <td><code>createRobot</code></td>
  76:  *   <td>create an instance of java.awt.Robot</td>
  77:  *   <td>these objects can generate events as though they were the user; so
  78:  *       malicious code could control the system</td></tr>
  79:  * <tr>
  80:  *   <td><code>fullScreenExclusive</code></td>
  81:  *   <td>enter full-screen exclusive mode</td>
  82:  *   <td>malicious code could masquerade as a trusted program</td></tr>
  83:  * </table>
  84:  *
  85:  * @author Tom Tromey (tromey@redhat.com)
  86:  * @since 1.2
  87:  * @status updated to 1.4
  88:  */
  89: public final class AWTPermission extends BasicPermission
  90: {
  91:   /**
  92:    * Compatible with JDK 1.2+.
  93:    */
  94:   private static final long serialVersionUID = 8890392402588814465L;
  95: 
  96:   /**
  97:    * Construct a AWTPermission with the given name.
  98:    *
  99:    * @param name the permission name
 100:    * @throws NullPointerException if name is null
 101:    * @throws IllegalArgumentException if name is invalid
 102:    */
 103:   public AWTPermission(String name)
 104:   {
 105:     super(name);
 106:   }
 107: 
 108:   /**
 109:    * Create a new permission with the specified name. The actions argument
 110:    * is ignored, as AWT permissions have no actions.
 111:    *
 112:    * @param name the permission name
 113:    * @param actions ignored
 114:    * @throws NullPointerException if name is null
 115:    * @throws IllegalArgumentException if name is invalid
 116:    */
 117:   public AWTPermission(String name, String actions)
 118:   {
 119:     super(name);
 120:   }
 121: } // class AWTPermission