1 /*
   2  * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**
  25  * @test
  26  * @bug 4151151
  27  * @summary Confirm that low-level print code does doPrivilege.
  28  * @author Graham Hamilton
  29  */
  30 
  31 import java.awt.print.*;
  32 
  33 public class CheckPrivilege implements Printable {
  34 
  35     static boolean verbose;
  36 
  37     private static void println(String mess) {
  38         if (verbose) {
  39             System.err.println(mess);
  40         }
  41     }
  42 
  43     /**
  44      * SecurityManager that allows print requests, but
  45      * causes things like "exec" to get checked.
  46      */
  47     static class PrintLover extends SecurityManager {
  48         public void checkPrintJobAccess() {
  49         }
  50         public void checkPackageAccess(String pkg) {
  51         }
  52         public void checkPropertyAccess(String key) {
  53         }
  54     }
  55 
  56     /**
  57      * Internal exception to boucne us out of the print code
  58      */
  59     class Printing extends RuntimeException {
  60     }
  61 
  62     public static void main(String argv[]) {
  63 
  64         System.out.println( "-----------------------------------------------------------------------");
  65         System.out.println( "INSTRUCTIONS: You should have a printer configured in your system to do this test. Test fails if you get this error message:");
  66         System.out.println("   \"Regression: printing causes a NullPointerException\"");
  67     System.out.println( "-----------------------------------------------------------------------");
  68 
  69         if (argv.length > 0 && argv[0].equals("-v")) {
  70             verbose = true;
  71         }
  72 
  73         // We need to make sure AWT is initialized.  This is bug #4162674
  74         java.awt.Toolkit.getDefaultToolkit();
  75 
  76         // Try to install our own security manager.
  77         try {
  78             SecurityManager sm = new PrintLover();
  79             println("Installing PrintLover security manager");
  80             System.setSecurityManager(sm);
  81             println("Installed security manager OK");
  82 
  83         } catch (Throwable th) {
  84             System.err.println("Failed to install SecurityManager");
  85             th.printStackTrace();
  86             throw new RuntimeException("Failed to install SecurityManager");
  87         }
  88 
  89         try {
  90             println("calling getPrinterJob");
  91             PrinterJob pj = PrinterJob.getPrinterJob();
  92             if ((pj == null) || (pj.getPrintService() == null)){
  93                 return;
  94             }
  95 
  96             println("PrinterJob class is " + pj.getClass());
  97             println("calling pj.setPrintable");
  98             pj.setPrintable(new CheckPrivilege());
  99             println("calling pj.print");
 100             pj.print();
 101             println("done pj.print");
 102 
 103         } catch (Printing ex) {
 104             // We get here if the print request started OK.
 105             println("Caught \"Printing\" exception OK");
 106 
 107         } catch (PrinterException ex) {
 108             System.err.println("Caught " + ex);
 109             throw new RuntimeException("" + ex);
 110 
 111         } catch (NullPointerException ex) {
 112             // This is the bug:
 113             System.err.println("Caught " + ex);
 114             System.err.println("Regression: printing causes a NullPointerException");
 115             throw ex;
 116         }
 117 
 118         //System.exit(0);
 119 
 120     }
 121 
 122     // Back-call from the new print APIs.
 123     // We always say we have bothing to print.
 124     public int print(java.awt.Graphics g, PageFormat pf, int index) {
 125         println("Started printing " + index);
 126         return Printable.NO_SUCH_PAGE;
 127     }
 128 
 129 
 130 }