1 /* 2 * Copyright (c) 2006, 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 * @bug 6374379 27 * @library /test/lib 28 * @build jdk.test.lib.Platform 29 * jdk.test.lib.util.FileUtils 30 * @run main ReadLongZipFileName 31 * @summary Verify that we can read zip file names > 255 chars long 32 */ 33 34 import java.io.*; 35 import java.util.jar.*; 36 import java.util.Stack; 37 import jdk.test.lib.util.FileUtils; 38 39 public class ReadLongZipFileName { 40 private static String entryName = "testFile.txt";; 41 42 public static void realMain(String args[]) { 43 String longDirName = "abcdefghijklmnopqrstuvwx"; // 24 chars. 44 String jarFileName = "areallylargejarfilename.jar"; // 27 chars. 45 File file = null; 46 File myJarFile = null; 47 int currentFileLength = 0; 48 int minRequiredLength = 600; // long enough to definitely fail. 49 Stack<File> directories = new Stack<File>(); 50 51 String filename = "." + File.separator; 52 try { 53 // Create a directory structure long enough that the filename will 54 // put us over the minRequiredLength. 55 do { 56 filename = filename + longDirName + File.separator; 57 file = new File(filename); 58 file.mkdir(); 59 currentFileLength = file.getCanonicalPath().length(); 60 directories.push(file); 61 } while (currentFileLength < (minRequiredLength - jarFileName.length())); 62 63 // Create a new Jar file: use jar instead of zip to make sure long 64 // names work for both zip and jar subclass. 65 filename = filename + jarFileName; 66 JarOutputStream out = new JarOutputStream( 67 new BufferedOutputStream( 68 new FileOutputStream(filename.toString()))); 69 out.putNextEntry(new JarEntry(entryName)); 70 out.write(1); 71 out.close(); 72 myJarFile = new File(filename.toString()); 73 currentFileLength = myJarFile.getCanonicalPath().length(); 74 if (!myJarFile.exists()) { 75 fail("Jar file does not exist."); 76 } 77 } catch (IOException e) { 78 unexpected(e, "Problem creating the Jar file."); 79 } 80 81 try { 82 JarFile readJarFile = new JarFile(myJarFile); 83 JarEntry je = readJarFile.getJarEntry(entryName); 84 check(je != null); 85 DataInputStream dis = new DataInputStream( 86 readJarFile.getInputStream(je)); 87 byte val = dis.readByte(); 88 check(val == 1); 89 try { 90 dis.readByte(); 91 fail("Read past expected EOF"); 92 } catch (IOException e) { 93 pass(); 94 } 95 readJarFile.close(); 96 pass("Opened Jar file for reading with a name " + currentFileLength 97 + " characters long"); 98 } catch (IOException e) { 99 unexpected(e, "Test failed - problem reading the Jar file back in."); 100 } 101 102 if (myJarFile != null) { 103 check(myJarFile.delete()); 104 } 105 106 while (! directories.empty()) { 107 File f = directories.pop(); 108 try { 109 FileUtils.deleteFileWithRetry(f.toPath()); 110 } catch (IOException e) { 111 unexpected(e, "Fail to clean up directory, " + f); 112 break; 113 } 114 } 115 } 116 117 //--------------------- Infrastructure --------------------------- 118 static volatile int passed = 0, failed = 0; 119 static void pass() {passed++;} 120 static void pass(String msg) {System.out.println(msg); passed++;} 121 static void fail() {failed++; Thread.dumpStack();} 122 static void fail(String msg) {System.out.println(msg); fail();} 123 static void unexpected(Throwable t) {failed++; t.printStackTrace();} 124 static void unexpected(Throwable t, String msg) { 125 System.out.println(msg); failed++; t.printStackTrace();} 126 static void check(boolean cond) {if (cond) pass(); else fail();} 127 static void equal(Object x, Object y) { 128 if (x == null ? y == null : x.equals(y)) pass(); 129 else fail(x + " not equal to " + y);} 130 public static void main(String[] args) throws Throwable { 131 try {realMain(args);} catch (Throwable t) {unexpected(t);} 132 System.out.println("\nPassed = " + passed + " failed = " + failed); 133 if (failed > 0) throw new AssertionError("Some tests failed");} 134 }