Changeset 1391 for branches/GNU/src/gcc/libjava/java/lang/RuntimePermission.java

Timestamp:

Apr 27, 2004, 8:39:34 PM (22 years ago)

Author:

bird

Message:

GCC v3.3.3 sources.

Location:

branches/GNU/src/gcc

Files:

• . (modified) (1 prop)
• libjava/java/lang/RuntimePermission.java (modified) (5 diffs, 1 prop)

branches/GNU/src/gcc

@@ -26 +26 @@
 configure.vr
 configure.vrs
+
 Makefile
-dir.info
 lost+found
 update.out

@@ -26 +26 @@
 configure.vr
 configure.vrs
+
 Makefile
-dir.info
 lost+found
 update.out

branches/GNU/src/gcc/libjava/java/lang/RuntimePermission.java

@@ -1 @@
-/* RuntimePermission.java
-   Copyright (C) 1998, 2000 Free Software Foundation, Inc.
+/* RuntimePermission.java
+   Copyright (C) 1998, 2000 Free Software Foundation, Inc.
 
 This file is part of GNU Classpath.
@@ -8 +8 @@
 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
@@ -39 +39 @@
 package java.lang;
 
-import java.security.*;
+import java.security.;
 
 /**
@@ -46 +46 @@
  *
  * Permission names have the follow the hierarchial property naming
- * convention.  In addition, an asterisk may appear at the end of a 
+ * convention.  In addition, an asterisk may appear at the end of a
  * name if following a period or by itself.
  *
@@ -54 +54 @@
  * <td>"**", "*x", "*.a"</td></tr>
  * </table>
- * <br> 
- * 
+ * <br>
+ *
  * The following table provides a list of all the possible RuntimePermission
- * permission names with a description of what that permission allows.
- * <br>
+ * permission names with a description of what that permission allows.<br>
  * <table border=1>
- * <tr><th>Permission Name</th><th>Permission Allows</th></tr>
+ * <tr><th>Permission Name</th><th>Permission Allows</th></tr>
  * <tr>
  *   <td><code>createClassLoader</code></td>
- *   <td>creation of a class loader</td></tr>
+ *   <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></tr>
+ *   <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 including system threads</td></tr>
+ *   <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 with
- *       another, possibly less restrictive one.</td></tr>
+ *   <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></tr>
+ *   <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></tr>
+ *   <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></tr>
+ *   <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></tr>
+ *   <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></tr>
+ *       <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></tr>
+ *       access to in the system</td>
+ *   <td>rogue code can stop arbitrary threads</td></tr>
  * <tr>
  *   <td><code>modifyThreadGroup</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>, 
+ *       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></tr>
+ *       <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></td></tr>
+ *   <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></td></tr>
- * <tr>
- *   <td><code>writeFileDescriptor</code</td>
- *   <td></td></tr>
- * <tr>
- *   <td><code>loadLibrary.{library name}</code></td>
- *   <td></td></tr>
- * <tr>
- *   <td><code>accessClassInPackage.{package name}</code></td>
- *   <td></td></tr>
- * <tr>
- *   <td><code>defineClassInPackage.{package name}</code></td>
- *   <td></td></tr>
+ *   <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></td></tr>
+ *   <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></td></tr>
+ *   <td>initiate a print job</td>
+ *   <td>rogue code could make a hard copy of sensitive information, or
+ *       simply waste paper</td></tr>
  * </table>
- * 
- * @since JDK 1.2
- * 
+ *
  * @author Brian Jones
+
+
+
+
+
+
  */
-public final class RuntimePermission extends java.security.BasicPermission
+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 IllegalArgumentException thrown if the name contains an invalid 
-   * wildcard character
+   * @throws NullPointerException if name is null
+   * @throws IllegalArgumentException thrown if name is empty or invalid
    */
   public RuntimePermission(String permissionName)
     {
-      this(permissionName, null);
+      );
     }
 
   /**
+
+
    *
    * @param permissionName the name of the granted permission
-   * @param actions this should always be null
-   * 
-   * @throws IllegalArgumentException throw if the name contains an invalid
-   * wildcard character
+   * @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, actions);
-    }
+  {
+    );
+  }
 }

@@ -26 +26 @@
 configure.vr
 configure.vrs
+
 Makefile
-dir.info
 lost+found
 update.out