1 /*
   2  * Copyright (c) 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 7175845
  27  * @modules jdk.jartool
  28  * @summary jar -uf should not change file permission
  29  */
  30 
  31 import java.io.*;
  32 import java.nio.file.*;
  33 import java.nio.file.attribute.*;
  34 import java.util.Set;
  35 import java.util.spi.ToolProvider;
  36 
  37 public class UpdateJar {
  38     private static final ToolProvider JAR_TOOL = ToolProvider.findFirst("jar")
  39         .orElseThrow(() ->
  40             new RuntimeException("jar tool not found")
  41         );
  42 
  43     private static void cleanup(String... fnames) throws Throwable {
  44         for (String fname : fnames) {
  45             Files.deleteIfExists(Paths.get(fname));
  46         }
  47     }
  48 
  49     public static void realMain(String[] args) throws Throwable {
  50         if (!System.getProperty("os.name").startsWith("Windows")) {
  51             String jar = "testUpdateJar.jar";
  52             String e0  = "testUpdateJar_entry0.txt";
  53             String e1  = "testUpdateJar_entry1.txt";
  54             cleanup(jar, e0, e1);
  55             try {
  56                 try (FileOutputStream fos0 = new FileOutputStream(e0);
  57                      FileOutputStream fos1 = new FileOutputStream(e1)) {
  58                     fos0.write(0);
  59                     fos1.write(0);
  60                 }
  61                 String[] jarArgs = new String[] {"cfM0", jar, e0};
  62                 if (JAR_TOOL.run(System.out, System.err, jarArgs) != 0) {
  63                     fail("Could not create jar file.");
  64                 }
  65                 Set<PosixFilePermission> pm = Files.getPosixFilePermissions(Paths.get(jar));
  66                 jarArgs = new String[] {"uf", jar, e1};
  67                 if (JAR_TOOL.run(System.out, System.err, jarArgs) != 0) {
  68                     fail("Could not create jar file.");
  69                 }
  70                 equal(pm, Files.getPosixFilePermissions(Paths.get(jar)));
  71             } finally {
  72                 cleanup(jar, e0, e1);
  73             }
  74         }
  75     }
  76 
  77     //--------------------- Infrastructure ---------------------------
  78     static volatile int passed = 0, failed = 0;
  79     static void pass() {passed++;}
  80     static void fail() {failed++; Thread.dumpStack();}
  81     static void fail(String msg) {System.out.println(msg); fail();}
  82     static void unexpected(Throwable t) {failed++; t.printStackTrace();}
  83     static void check(boolean cond) {if (cond) pass(); else fail();}
  84     static void equal(Object x, Object y) {
  85         if (x == null ? y == null : x.equals(y)) pass();
  86         else fail(x + " not equal to " + y);}
  87     public static void main(String[] args) throws Throwable {
  88         try {realMain(args);} catch (Throwable t) {unexpected(t);}
  89         System.out.println("\nPassed = " + passed + " failed = " + failed);
  90         if (failed > 0) throw new AssertionError("Some tests failed");}
  91 }