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.Utils
30 * jdk.test.lib.Asserts
31 * jdk.test.lib.JDKToolFinder
32 * jdk.test.lib.JDKToolLauncher
33 * jdk.test.lib.process.*
34 * jdk.test.lib.util.FileUtils
35 * @run main ReadLongZipFileName
36 * @summary Verify that we can read zip file names > 255 chars long
37 */
38
39 import java.io.*;
40 import java.util.jar.*;
41 import java.util.Stack;
42 import jdk.test.lib.util.FileUtils;
43
44 public class ReadLongZipFileName {
45 private static String entryName = "testFile.txt";;
46
47 public static void realMain(String args[]) {
48 String longDirName = "abcdefghijklmnopqrstuvwx"; // 24 chars.
49 String jarFileName = "areallylargejarfilename.jar"; // 27 chars.
50 File file = null;
51 File myJarFile = null;
52 int currentFileLength = 0;
53 int minRequiredLength = 600; // long enough to definitely fail.
54 Stack<File> directories = new Stack<File>();
55
56 String filename = "." + File.separator;
57 try {
58 // Create a directory structure long enough that the filename will
59 // put us over the minRequiredLength.
60 do {
61 filename = filename + longDirName + File.separator;
62 file = new File(filename);
63 file.mkdir();
64 currentFileLength = file.getCanonicalPath().length();
65 directories.push(file);
66 } while (currentFileLength < (minRequiredLength - jarFileName.length()));
67
68 // Create a new Jar file: use jar instead of zip to make sure long
69 // names work for both zip and jar subclass.
70 filename = filename + jarFileName;
71 JarOutputStream out = new JarOutputStream(
72 new BufferedOutputStream(
73 new FileOutputStream(filename.toString())));
74 out.putNextEntry(new JarEntry(entryName));
75 out.write(1);
76 out.close();
77 myJarFile = new File(filename.toString());
78 currentFileLength = myJarFile.getCanonicalPath().length();
79 if (!myJarFile.exists()) {
80 fail("Jar file does not exist.");
81 }
82 } catch (IOException e) {
83 unexpected(e, "Problem creating the Jar file.");
84 }
85
86 try {
87 JarFile readJarFile = new JarFile(myJarFile);
88 JarEntry je = readJarFile.getJarEntry(entryName);
89 check(je != null);
90 DataInputStream dis = new DataInputStream(
91 readJarFile.getInputStream(je));
92 byte val = dis.readByte();
93 check(val == 1);
94 try {
95 dis.readByte();
96 fail("Read past expected EOF");
97 } catch (IOException e) {
98 pass();
99 }
100 readJarFile.close();
101 pass("Opened Jar file for reading with a name " + currentFileLength
102 + " characters long");
103 } catch (IOException e) {
104 unexpected(e, "Test failed - problem reading the Jar file back in.");
105 }
106
107 if (myJarFile != null) {
108 check(myJarFile.delete());
109 }
110
111 while (! directories.empty()) {
112 File f = directories.pop();
113 try {
114 FileUtils.deleteFileWithRetry(f.toPath());
115 } catch (IOException e) {
116 unexpected(e, "Fail to clean up directory, " + f);
117 break;
118 }
119 }
120 }
121
122 //--------------------- Infrastructure ---------------------------
123 static volatile int passed = 0, failed = 0;
124 static void pass() {passed++;}
125 static void pass(String msg) {System.out.println(msg); passed++;}
126 static void fail() {failed++; Thread.dumpStack();}
127 static void fail(String msg) {System.out.println(msg); fail();}
128 static void unexpected(Throwable t) {failed++; t.printStackTrace();}
129 static void unexpected(Throwable t, String msg) {
130 System.out.println(msg); failed++; t.printStackTrace();}
131 static void check(boolean cond) {if (cond) pass(); else fail();}
132 static void equal(Object x, Object y) {
133 if (x == null ? y == null : x.equals(y)) pass();
134 else fail(x + " not equal to " + y);}
135 public static void main(String[] args) throws Throwable {
136 try {realMain(args);} catch (Throwable t) {unexpected(t);}
137 System.out.println("\nPassed = " + passed + " failed = " + failed);
138 if (failed > 0) throw new AssertionError("Some tests failed");}
139 }