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Java example source code file (EntriesOrder.java)
The EntriesOrder.java Java example source code/* * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /** * @test * @bug 8031572 * @summary jarsigner -verify exits with 0 when a jar file is not properly signed */ import java.io.FileInputStream; import java.io.FileOutputStream; import java.nio.file.Files; import java.nio.file.Paths; import java.security.cert.Certificate; import java.util.*; import java.util.jar.JarEntry; import java.util.jar.JarFile; import java.util.jar.JarInputStream; import java.util.zip.ZipEntry; import java.util.zip.ZipOutputStream; public class EntriesOrder { public static void main(String[] args) throws Exception { String[] entries = { "META-INF/", "META-INF/MANIFEST.MF", "META-INF/A.RSA", "META-INF/A.SF", "META-INF/inf", "a"}; Map<String,byte[]> content = new HashMap<>(); // We will create a jar containing entries above. Try all permutations // and confirm 1) When opened as a JarFile, we can always get 3 signed // ones (MANIFEST, inf, a), and 2) When opened as a JarInputStream, // when the order is correct (MANIFEST at beginning, followed by RSA/SF, // directory ignored), we can get 2 signed ones (inf, a). // Prepares raw files Files.write(Paths.get("a"), "a".getBytes()); Files.createDirectory(Paths.get("META-INF/")); Files.write(Paths.get("META-INF/inf"), "inf".getBytes()); // Pack, sign, and extract to get all files sun.tools.jar.Main m = new sun.tools.jar.Main(System.out, System.err, "jar"); if (!m.run("cvf a.jar a META-INF/inf".split(" "))) { throw new Exception("jar creation failed"); } sun.security.tools.keytool.Main.main( ("-keystore jks -storepass changeit -keypass changeit -dname" + " CN=A -alias a -genkeypair -keyalg rsa").split(" ")); sun.security.tools.jarsigner.Main.main( "-keystore jks -storepass changeit a.jar a".split(" ")); m = new sun.tools.jar.Main(System.out, System.err, "jar"); if (!m.run("xvf a.jar".split(" "))) { throw new Exception("jar extraction failed"); } // Data for (String s: entries) { if (!s.endsWith("/")) { content.put(s, Files.readAllBytes(Paths.get(s))); } } // Test for (List<String> perm: Permute(entries)) { // Recreate a jar try (ZipOutputStream zos = new ZipOutputStream(new FileOutputStream("x.jar"))) { for (String e: perm) { zos.putNextEntry(new ZipEntry(e)); if (Paths.get(e).toFile().isDirectory()) continue; zos.write(content.get(e)); } } // Open with JarFile, number of signed entries should be 3. int cc = 0; try (JarFile jf = new JarFile("x.jar")) { Enumeration<JarEntry> jes = jf.entries(); while (jes.hasMoreElements()) { JarEntry je = jes.nextElement(); sun.misc.IOUtils.readFully(jf.getInputStream(je), -1, true); Certificate[] certs = je.getCertificates(); if (certs != null && certs.length > 0) { cc++; } } } if (cc != 3) { System.out.println(perm + " - jf - " + cc); throw new Exception(); } // Open with JarInputStream int signed; perm.remove("META-INF/"); if (perm.get(0).equals("META-INF/MANIFEST.MF") && perm.get(1).contains("/A.") && perm.get(2).contains("/A.")) { signed = 2; // Good order } else { signed = 0; // Bad order. In this case, the number of signed // entries is not documented. Just test impl. } cc = 0; try (JarInputStream jis = new JarInputStream(new FileInputStream("x.jar"))) { while (true) { JarEntry je = jis.getNextJarEntry(); if (je == null) break; sun.misc.IOUtils.readFully(jis, -1, true); Certificate[] certs = je.getCertificates(); if (certs != null && certs.length > 0) { cc++; } } } if (cc != signed) { System.out.println(perm + " - jis - " + cc + " " + signed); throw new Exception(); } } } // Helper method to return all permutations of an array. Each output can // be altered without damaging the iteration process. static Iterable<List Other Java examples (source code examples)Here is a short list of links related to this Java EntriesOrder.java source code file: |
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