Initial revision

From-SVN: r102074

1 files changed, 208 insertions, 0 deletions

diff --git a/libjava/classpath/java/lang/RuntimePermission.java b/libjava/classpath/java/lang/RuntimePermission.java
new file mode 100644
index 0000000..ca33307
--- /dev/null
+++ b/libjava/classpath/java/lang/RuntimePermission.java
@@ -0,0 +1,208 @@
+/* RuntimePermission.java -- permission for a secure runtime action
+   Copyright (C) 1998, 2000, 2002, 2005  Free Software Foundation, Inc.
+
+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;
+
+import java.security.BasicPermission;
+
+/**
+ * A <code>RuntimePermission</code> contains a permission name, but no
+ * actions list.  This means you either have the permission or you don't.
+ *
+ * Permission names have the follow the hierarchial property naming
+ * convention.  In addition, an asterisk may appear at the end of a
+ * name if following a period or by itself.
+ *
+ * <table border=1>
+ * <tr><th>Valid names</th><th>Invalid names</th></tr>
+ * <tr><td>"accessClassInPackage.*","*"</td>
+ * <td>"**", "*x", "*.a"</td></tr>
+ * </table>
+ * <br>
+ *
+ * The following table provides a list of all the possible RuntimePermission
+ * 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>createClassLoader</code></td>
+ *   <td>creation of a class loader</td>
+ *   <td>a class loader can load rogue classes which bypass all security
+ *       permissions</td></tr>
+ * <tr>
+ *   <td><code>getClassLoader</code></td>
+ *   <td>retrieval of the class loader for the calling class</td>
+ *   <td>rogue code could load classes not otherwise available</td></tr>
+ * <tr>
+ *   <td><code>setContextClassLoader</code></td>
+ *   <td>allows the setting of the context class loader used by a thread</td>
+ *   <td>rogue code could change the context class loader needed by system
+ *       threads</td></tr>
+ * <tr>
+ *   <td><code>setSecurityManager</code></td>
+ *   <td>allows the application to replace the security manager</td>
+ *   <td>the new manager may be less restrictive, so that rogue code can
+ *       bypass existing security checks</td></tr>
+ * <tr>
+ *   <td><code>createSecurityManager</code></td>
+ *   <td>allows the application to create a new security manager</td>
+ *   <td>rogue code can use the new security manager to discover information
+ *       about the execution stack</td></tr>
+ * <tr>
+ *   <td><code>exitVM</code></td>
+ *   <td>allows the application to halt the virtual machine</td>
+ *   <td>rogue code can mount a denial-of-service attack by killing the
+ *       virtual machine</td></tr>
+ * <tr>
+ *   <td><code>shutdownHooks</code></td>
+ *   <td>allows registration and modification of shutdown hooks</td>
+ *   <td>rogue code can add a hook that interferes with clean
+ *       virtual machine shutdown</td></tr>
+ * <tr>
+ *   <td><code>setFactory</code></td>
+ *   <td>allows the application to set the socket factory for socket,
+ *       server socket, stream handler, or RMI socket factory.</td>
+ *   <td>rogue code can create a rogue network object which mangles or
+ *       intercepts data</td></tr>
+ * <tr>
+ *   <td><code>setIO</code></td>
+ *   <td>allows the application to set System.out, System.in, and
+ *       System.err</td>
+ *   <td>rogue code could sniff user input and intercept or mangle
+ *       output</td></tr>
+ * <tr>
+ *   <td><code>modifyThread</code></td>
+ *   <td>allows the application to modify any thread in the virtual machine
+ *       using any of the methods <code>stop</code>, <code>resume</code>,
+ *       <code>suspend</code>, <code>setPriority</code>, and
+ *       <code>setName</code> of classs <code>Thread</code></td>
+ *   <td>rogue code could adversely modify system or user threads</td></tr>
+ * <tr>
+ *   <td><code>stopThread</code></td>
+ *   <td>allows the application to <code>stop</code> any thread it has
+ *       access to in the system</td>
+ *   <td>rogue code can stop arbitrary threads</td></tr>
+ * <tr>
+ *   <td><code>modifyThreadGroup</code></td>
+ *   <td>allows the application to modify thread groups using any of the
+ *       methods <code>destroy</code>, <code>resume</code>,
+ *       <code>setDaemon</code>, <code>setMaxPriority</code>,
+ *       <code>stop</code>, and <code>suspend</code> of the class
+ *       <code>ThreadGroup</code></td>
+ *   <td>rogue code can mount a denial-of-service attack by changing run
+ *       priorities</td></tr>
+ * <tr>
+ *   <td><code>getProtectionDomain</code></td>
+ *   <td>retrieve a class's ProtectionDomain</td>
+ *   <td>rogue code can gain information about the security policy, to
+ *       prepare a better attack</td></tr>
+ * <tr>
+ *   <td><code>readFileDescriptor</code></td>
+ *   <td>read a file descriptor</td>
+ *   <td>rogue code can read sensitive information</td></tr>
+ * <tr>
+ *   <td><code>writeFileDescriptor</code></td>
+ *   <td>write a file descriptor</td>
+ *   <td>rogue code can write files, including viruses, and can modify the
+ *       virtual machine binary; if not just fill up the disk</td></tr>
+ * <tr>
+ *   <td><code>loadLibrary.</code><em>library name</em></td>
+ *   <td>dynamic linking of the named library</td>
+ *   <td>native code can bypass many security checks of pure Java</td></tr>
+ * <tr>
+ *   <td><code>accessClassInPackage.</code><em>package name</em></td>
+ *   <td>access to a package via a ClassLoader</td>
+ *   <td>rogue code can access classes not normally available</td></tr>
+ * <tr>
+ *   <td><code>defineClassInPackage.</code><em>package name</em></td>
+ *   <td>define a class inside a given package</td>
+ *   <td>rogue code can install rogue classes, including in trusted packages
+ *       like java.security or java.lang</td></tr>
+ * <tr>
+ *   <td><code>accessDeclaredMembers</code></td>
+ *   <td>access declared class members via reflection</td>
+ *   <td>rogue code can discover information, invoke methods, or modify fields
+ *       that are not otherwise available</td></tr>
+ * <tr>
+ *   <td><code>queuePrintJob</code></td>
+ *   <td>initiate a print job</td>
+ *   <td>rogue code could make a hard copy of sensitive information, or
+ *       simply waste paper</td></tr>
+ * </table>
+ *
+ * @author Brian Jones
+ * @author Eric Blake (ebb9@email.byu.edu)
+ * @see BasicPermission
+ * @see Permission
+ * @see SecurityManager
+ * @since 1.2
+ * @status updated to 1.4
+ */
+public final class RuntimePermission extends BasicPermission
+{
+  /**
+   * Compatible with JDK 1.2+.
+   */
+  private static final long serialVersionUID = 7399184964622342223L;
+
+  /**
+   * Create a new permission with the specified name.
+   *
+   * @param permissionName the name of the granted permission
+   * @throws NullPointerException if name is null
+   * @throws IllegalArgumentException thrown if name is empty or invalid
+   */
+  public RuntimePermission(String permissionName)
+    {
+      super(permissionName);
+    }
+
+  /**
+   * Create a new permission with the specified name. The actions argument
+   * is ignored, as runtime permissions have no actions.
+   *
+   * @param permissionName the name of the granted permission
+   * @param actions ignored
+   * @throws NullPointerException if name is null
+   * @throws IllegalArgumentException thrown if name is empty or invalid
+   */
+  public RuntimePermission(String permissionName, String actions)
+  {
+    super(permissionName);
+  }
+}