1 /* 2 * Copyright (c) 2006, 2013, 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 6374379 27 * @library ../../../../lib/testlibrary 28 * @summary Verify that we can read zip file names > 255 chars long 29 */ 30 31 import java.io.*; 32 import java.util.jar.*; 33 import java.util.zip.*; 34 import java.util.Stack; 35 import jdk.testlibrary.FileUtils; 36 37 public class ReadLongZipFileName { 38 private static String entryName = "testFile.txt";; 39 40 public static void realMain(String args[]) { 41 String longDirName = "abcdefghijklmnopqrstuvwx"; // 24 chars. 42 String jarFileName = "areallylargejarfilename.jar"; // 27 chars. 43 File file = null; 44 File myJarFile = null; 45 int currentFileLength = 0; 46 int minRequiredLength = 600; // long enough to definitely fail. 47 Stack<File> directories = new Stack<File>(); 48 49 String filename = "." + File.separator; 50 try { 51 // Create a directory structure long enough that the filename will 52 // put us over the minRequiredLength. 53 do { 54 filename = filename + longDirName + File.separator; 55 file = new File(filename); 56 file.mkdir(); 57 currentFileLength = file.getCanonicalPath().length(); 58 directories.push(file); 59 } while (currentFileLength < (minRequiredLength - jarFileName.length())); 60 61 // Create a new Jar file: use jar instead of zip to make sure long 62 // names work for both zip and jar subclass. 63 filename = filename + jarFileName; 64 JarOutputStream out = new JarOutputStream( 65 new BufferedOutputStream( 66 new FileOutputStream(filename.toString()))); 67 out.putNextEntry(new JarEntry(entryName)); 68 out.write(1); 69 out.close(); 70 myJarFile = new File(filename.toString()); 71 currentFileLength = myJarFile.getCanonicalPath().length(); 72 if (!myJarFile.exists()) { 73 fail("Jar file does not exist."); 74 } 75 } catch (IOException e) { 76 unexpected(e, "Problem creating the Jar file."); 77 } 78 79 try { 80 JarFile readJarFile = new JarFile(myJarFile); 81 JarEntry je = readJarFile.getJarEntry(entryName); 82 check(je != null); 83 DataInputStream dis = new DataInputStream( 84 readJarFile.getInputStream(je)); 85 byte val = dis.readByte(); 86 check(val == 1); 87 try { 88 dis.readByte(); 89 fail("Read past expected EOF"); 90 } catch (IOException e) { 91 pass(); 92 } 93 readJarFile.close(); 94 pass("Opened Jar file for reading with a name " + currentFileLength 95 + " characters long"); 96 } catch (IOException e) { 97 unexpected(e, "Test failed - problem reading the Jar file back in."); 98 } 99 100 if (myJarFile != null) { 101 check(myJarFile.delete()); 102 } 103 104 while (! directories.empty()) { 105 File f = directories.pop(); 106 try { 107 FileUtils.deleteFileWithRetry(f.toPath()); 108 } catch (IOException e) { 109 unexpected(e, "Fail to clean up directory, " + f); 110 break; 111 } 112 } 113 } 114 115 //--------------------- Infrastructure --------------------------- 116 static volatile int passed = 0, failed = 0; 117 static void pass() {passed++;} 118 static void pass(String msg) {System.out.println(msg); passed++;} 119 static void fail() {failed++; Thread.dumpStack();} 120 static void fail(String msg) {System.out.println(msg); fail();} 121 static void unexpected(Throwable t) {failed++; t.printStackTrace();} 122 static void unexpected(Throwable t, String msg) { 123 System.out.println(msg); failed++; t.printStackTrace();} 124 static void check(boolean cond) {if (cond) pass(); else fail();} 125 static void equal(Object x, Object y) { 126 if (x == null ? y == null : x.equals(y)) pass(); 127 else fail(x + " not equal to " + y);} 128 public static void main(String[] args) throws Throwable { 129 try {realMain(args);} catch (Throwable t) {unexpected(t);} 130 System.out.println("\nPassed = " + passed + " failed = " + failed); 131 if (failed > 0) throw new AssertionError("Some tests failed");} 132 }