1 /*
   2  * Copyright (c) 2007, 2017, 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  * @key printer
  27  * @bug 4151151
  28  * @summary Confirm that low-level print code does doPrivilege.
  29  * @author Graham Hamilton
  30  */
  31 
  32 import java.awt.print.*;
  33 
  34 public class CheckPrivilege implements Printable {
  35 
  36     static boolean verbose;
  37 
  38     private static void println(String mess) {
  39         if (verbose) {
  40             System.err.println(mess);
  41         }
  42     }
  43 
  44     /**
  45      * SecurityManager that allows print requests, but
  46      * causes things like "exec" to get checked.
  47      */
  48     static class PrintLover extends SecurityManager {
  49         public void checkPrintJobAccess() {
  50         }
  51         public void checkPackageAccess(String pkg) {
  52         }
  53         public void checkPropertyAccess(String key) {
  54         }
  55     }
  56 
  57     /**
  58      * Internal exception to boucne us out of the print code
  59      */
  60     class Printing extends RuntimeException {
  61     }
  62 
  63     public static void main(String argv[]) {
  64 
  65         System.out.println( "-----------------------------------------------------------------------");
  66         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:");
  67         System.out.println("   \"Regression: printing causes a NullPointerException\"");
  68     System.out.println( "-----------------------------------------------------------------------");
  69 
  70         if (argv.length > 0 && argv[0].equals("-v")) {
  71             verbose = true;
  72         }
  73 
  74         // We need to make sure AWT is initialized.  This is bug #4162674
  75         java.awt.Toolkit.getDefaultToolkit();
  76 
  77         // Try to install our own security manager.
  78         try {
  79             SecurityManager sm = new PrintLover();
  80             println("Installing PrintLover security manager");
  81             System.setSecurityManager(sm);
  82             println("Installed security manager OK");
  83 
  84         } catch (Throwable th) {
  85             System.err.println("Failed to install SecurityManager");
  86             th.printStackTrace();
  87             throw new RuntimeException("Failed to install SecurityManager");
  88         }
  89 
  90         try {
  91             println("calling getPrinterJob");
  92             PrinterJob pj = PrinterJob.getPrinterJob();
  93             if ((pj == null) || (pj.getPrintService() == null)){
  94                 return;
  95             }
  96 
  97             println("PrinterJob class is " + pj.getClass());
  98             println("calling pj.setPrintable");
  99             pj.setPrintable(new CheckPrivilege());
 100             println("calling pj.print");
 101             pj.print();
 102             println("done pj.print");
 103 
 104         } catch (Printing ex) {
 105             // We get here if the print request started OK.
 106             println("Caught \"Printing\" exception OK");
 107 
 108         } catch (PrinterException ex) {
 109             System.err.println("Caught " + ex);
 110             throw new RuntimeException("" + ex);
 111 
 112         } catch (NullPointerException ex) {
 113             // This is the bug:
 114             System.err.println("Caught " + ex);
 115             System.err.println("Regression: printing causes a NullPointerException");
 116             throw ex;
 117         }
 118 
 119         //System.exit(0);
 120 
 121     }
 122 
 123     // Back-call from the new print APIs.
 124     // We always say we have bothing to print.
 125     public int print(java.awt.Graphics g, PageFormat pf, int index) {
 126         println("Started printing " + index);
 127         return Printable.NO_SUCH_PAGE;
 128     }
 129 
 130 
 131 }