1 /*
   2  * Copyright (c) 2006, 2012, 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 6405538 6474350
  27  * @summary Make sure jar files with large entries (more than max heap size)
  28  *    can be signed
  29  * @modules jdk.jartool/sun.security.tools.jarsigner
  30  * @run main/othervm -Xmx8M LargeJarEntry
  31  * @author Sean Mullan
  32  */
  33 
  34 import java.io.File;
  35 import java.io.FileOutputStream;
  36 import java.util.jar.JarEntry;
  37 import java.util.jar.JarOutputStream;
  38 import java.util.zip.CRC32;
  39 
  40 public class LargeJarEntry {
  41 
  42     public static void main(String[] args) throws Exception {
  43 
  44         String srcDir = System.getProperty("test.src", ".");
  45         String keystore = srcDir + "/JarSigning.keystore";
  46         String jarName = "largeJarEntry.jar";
  47 
  48         // Set java.io.tmpdir to the current working dir (see 6474350)
  49         System.setProperty("java.io.tmpdir", System.getProperty("user.dir"));
  50 
  51         // first, create jar file with 8M uncompressed entry
  52         // note, we set the max heap size to 8M in @run tag above
  53         byte[] bytes = new byte[1000000];
  54         CRC32 crc = new CRC32();
  55         for (int i=0; i<8; i++) {
  56             crc.update(bytes);
  57         }
  58         JarEntry je = new JarEntry("large");
  59         je.setSize(8000000l);
  60         je.setMethod(JarEntry.STORED);
  61         je.setCrc(crc.getValue());
  62         File file = new File(jarName);
  63         FileOutputStream os = new FileOutputStream(file);
  64         JarOutputStream jos = new JarOutputStream(os);
  65         jos.setMethod(JarEntry.STORED);
  66         jos.putNextEntry(je);
  67         for (int i=0; i<8; i++) {
  68             jos.write(bytes, 0, bytes.length);
  69         }
  70         jos.close();
  71 
  72         String[] jsArgs = { "-keystore", keystore, "-storepass", "bbbbbb",
  73                 jarName, "b" };
  74         // now, try to sign it
  75         try {
  76             sun.security.tools.jarsigner.Main.main(jsArgs);
  77         } catch (OutOfMemoryError err) {
  78             throw new Exception("Test failed with OutOfMemoryError", err);
  79         } finally {
  80             // remove jar file
  81             file.delete();
  82         }
  83     }
  84 }