| 1 | /* AWTPermission.java -- AWT related permissions
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| 2 | Copyright (C) 2000, 2002 Free Software Foundation
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| 3 |
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| 4 | This file is part of GNU Classpath.
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| 5 |
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| 6 | GNU Classpath is free software; you can redistribute it and/or modify
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| 7 | it under the terms of the GNU General Public License as published by
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| 8 | the Free Software Foundation; either version 2, or (at your option)
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| 9 | any later version.
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| 10 |
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| 11 | GNU Classpath is distributed in the hope that it will be useful, but
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| 12 | WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 14 | General Public License for more details.
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| 15 |
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| 16 | You should have received a copy of the GNU General Public License
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| 17 | along with GNU Classpath; see the file COPYING. If not, write to the
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| 18 | Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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| 19 | 02111-1307 USA.
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| 20 |
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| 21 | Linking this library statically or dynamically with other modules is
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| 22 | making a combined work based on this library. Thus, the terms and
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| 23 | conditions of the GNU General Public License cover the whole
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| 24 | combination.
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| 25 |
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| 26 | As a special exception, the copyright holders of this library give you
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| 27 | permission to link this library with independent modules to produce an
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| 28 | executable, regardless of the license terms of these independent
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| 29 | modules, and to copy and distribute the resulting executable under
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| 30 | terms of your choice, provided that you also meet, for each linked
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| 31 | independent module, the terms and conditions of the license of that
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| 32 | module. An independent module is a module which is not derived from
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| 33 | or based on this library. If you modify this library, you may extend
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| 34 | this exception to your version of the library, but you are not
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| 35 | obligated to do so. If you do not wish to do so, delete this
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| 36 | exception statement from your version. */
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| 37 |
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| 38 |
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| 39 | package java.awt;
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| 40 |
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| 41 | import java.security.BasicPermission;
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| 42 |
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| 43 | /**
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| 44 | * This class implements permissions for AWT. This is a named
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| 45 | * permission. No actions are defined.
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| 46 | *
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| 47 | * <p>The following table provides a list of all the possible AWTPermission
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| 48 | * permission names with a description of what that permission allows.<br>
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| 49 | * <table border=1>
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| 50 | * <tr><th>Permission Name</th><th>Permission Allows</th><th>Risks</th</tr>
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| 51 | * <tr>
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| 52 | * <td><code>accessClipboard</code></td>
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| 53 | * <td>posting and reading the AWT clipboard</td>
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| 54 | * <td>the clipboard may contain sensitive data</td></tr>
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| 55 | * <tr>
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| 56 | * <td><code>accessEventQueue</code></td>
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| 57 | * <td>access to the AWT event queue</td>
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| 58 | * <td>malicious code could remove real events and replace them with bogus
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| 59 | * ones, including simulating the user granting permission</td></tr>
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| 60 | * <tr>
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| 61 | * <td><code>listenToAllAWTEvents</code></td>
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| 62 | * <td>listen to system-wide AWT events</td>
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| 63 | * <td>malicious code can read passwords entered in an AWT event, and in
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| 64 | * combination with accessEventQueue, could fake system events</td></tr>
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| 65 | * <tr>
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| 66 | * <td><code>showWindowWithoutWarningBanner</code></td>
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| 67 | * <td>display a window without a banner notification of insecurity</td>
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| 68 | * <td>malicious code could install a Trojan horse applet that looks like
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| 69 | * a normal window, and thus steal data like passwords</td></tr>
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| 70 | * <tr>
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| 71 | * <td><code>readDisplayPixels</code></td>
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| 72 | * <td>read back pixels from the display screen</td>
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| 73 | * <td>malicious code could snoop on the user's actions</td></tr>
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| 74 | * <tr>
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| 75 | * <td><code>createRobot</code></td>
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| 76 | * <td>create an instance of java.awt.Robot</td>
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| 77 | * <td>these objects can generate events as though they were the user; so
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| 78 | * malicious code could control the system</td></tr>
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| 79 | * <tr>
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| 80 | * <td><code>fullScreenExclusive</code></td>
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| 81 | * <td>enter full-screen exclusive mode</td>
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| 82 | * <td>malicious code could masquerade as a trusted program</td><tr>
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| 83 | * </table>
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| 84 | *
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| 85 | * @author Tom Tromey <[email protected]>
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| 86 | * @since 1.2
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| 87 | * @status updated to 1.4
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| 88 | */
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| 89 | public final class AWTPermission extends BasicPermission
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| 90 | {
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| 91 | /**
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| 92 | * Compatible with JDK 1.2+.
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| 93 | */
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| 94 | private static final long serialVersionUID = 8890392402588814465L;
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| 95 |
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| 96 | /**
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| 97 | * Construct a AWTPermission with the given name.
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| 98 | *
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| 99 | * @param name the permission name
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| 100 | * @throws NullPointerException if name is null
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| 101 | * @throws IllegalArgumentException if name is invalid
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| 102 | */
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| 103 | public AWTPermission(String name)
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| 104 | {
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| 105 | super(name);
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| 106 | }
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| 107 |
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| 108 | /**
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| 109 | * Create a new permission with the specified name. The actions argument
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| 110 | * is ignored, as AWT permissions have no actions.
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| 111 | *
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| 112 | * @param name the permission name
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| 113 | * @param actions ignored
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| 114 | * @throws NullPointerException if name is null
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| 115 | * @throws IllegalArgumentException if name is invalid
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| 116 | */
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| 117 | public AWTPermission(String name, String actions)
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| 118 | {
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| 119 | super(name);
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| 120 | }
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| 121 | } // class AWTPermission
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