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SymLinkTest.java
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SymLinkTest.java
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/*
* Copyright (c) 2020, 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 8250968
* @summary Symlinks attributes not preserved when using jarsigner on zip files
* @modules jdk.jartool/sun.security.tools.jarsigner
* java.base/sun.security.tools.keytool
* @library /test/lib
* @run main/othervm SymLinkTest
*/
import java.io.*;
import java.net.URI;
import java.nio.file.*;
import java.util.Formatter;
import jdk.test.lib.SecurityTools;
public class SymLinkTest {
private final static String ZIPFILENAME = "8250968-test.zip";
private static final String WARNING_MSG = "POSIX file permission and/or symlink " +
"attributes detected. These attributes are ignored when signing and are not " +
"protected by the signature.";
public static void main(String[] args) throws Exception {
Files.deleteIfExists(Paths.get(ZIPFILENAME));
try (FileOutputStream fos = new FileOutputStream(ZIPFILENAME)) {
fos.write(ZIPBYTES);
}
// check permissions before signing
verifyExtraAttrs(ZIPFILENAME);
SecurityTools.keytool(
"-genkey",
"-keyalg", "RSA",
"-dname", "CN=Coffey, OU=JPG, O=Oracle, L=Santa Clara, ST=California, C=US",
"-alias", "examplekey",
"-storepass", "password",
"-keypass", "password",
"-keystore", "examplekeystore",
"-validity", "365")
.shouldHaveExitValue(0);
SecurityTools.jarsigner(
"-keystore", "examplekeystore",
"-verbose", ZIPFILENAME,
"-storepass", "password",
"-keypass", "password",
"examplekey")
.shouldHaveExitValue(0)
.shouldContain(WARNING_MSG);
// zip file now signed. Recheck attributes
verifyExtraAttrs(ZIPFILENAME);
SecurityTools.jarsigner("-keystore", "examplekeystore",
"-storepass", "password",
"-keypass", "password",
"-verbose",
"-verify", ZIPFILENAME)
.shouldHaveExitValue(0)
.shouldContain(WARNING_MSG);
}
private static void verifyExtraAttrs(String zipFileName) throws IOException {
// the 16 bit extra attributes value should equal 0xa1ff - look for that pattern.
// Such values can be read from zip file via 'unzip -Z -l -v <zipfile>'
try (FileInputStream fis = new FileInputStream(ZIPFILENAME)) {
byte[] b = fis.readAllBytes();
boolean patternFound;
for (int i = 0; i < b.length -1; i++) {
patternFound = ((b[i] & 0xFF) == 0xFF) && ((b[i + 1] & 0xFF) == 0xA1);
if (patternFound) {
return;
}
}
throw new RuntimeException("extra attribute value not detected");
}
}
/**
* Utility method which takes an byte array and converts to byte array
* declaration. For example:
* <pre>
* {@code
* var fooJar = Files.readAllBytes(Path.of("foo.jar"));
* var result = createByteArray(fooJar, "FOOBYTES");
* }
* </pre>
* @param bytes A byte array used to create a byte array declaration
* @param name Name to be used in the byte array declaration
* @return The formatted byte array declaration
*/
public static String createByteArray(byte[] bytes, String name) {
StringBuilder sb = new StringBuilder(bytes.length * 5);
Formatter fmt = new Formatter(sb);
fmt.format(" public static byte[] %s = {", name);
final int linelen = 8;
for (int i = 0; i < bytes.length; i++) {
if (i % linelen == 0) {
fmt.format("%n ");
}
fmt.format(" (byte) 0x%x,", bytes[i] & 0xff);
}
fmt.format("%n };%n");
return sb.toString();
}
/*
* Created using the createByteArray utility method.
* The zipfile itself was created via this example:
* $ ls -l z
* lrwxrwxrwx 1 test test 4 Aug 27 18:33 z -> ../z
* $ zip -ry test.zip z
*/
public final static byte[] ZIPBYTES = {
(byte) 0x50, (byte) 0x4b, (byte) 0x3, (byte) 0x4, (byte) 0xa, (byte) 0x0, (byte) 0x0, (byte) 0x0,
(byte) 0x0, (byte) 0x0, (byte) 0x2e, (byte) 0x94, (byte) 0x1b, (byte) 0x51, (byte) 0xb4, (byte) 0xcc,
(byte) 0xb6, (byte) 0xf1, (byte) 0x4, (byte) 0x0, (byte) 0x0, (byte) 0x0, (byte) 0x4, (byte) 0x0,
(byte) 0x0, (byte) 0x0, (byte) 0x1, (byte) 0x0, (byte) 0x1c, (byte) 0x0, (byte) 0x7a, (byte) 0x55,
(byte) 0x54, (byte) 0x9, (byte) 0x0, (byte) 0x3, (byte) 0x77, (byte) 0xfc, (byte) 0x47, (byte) 0x5f,
(byte) 0x78, (byte) 0xfc, (byte) 0x47, (byte) 0x5f, (byte) 0x75, (byte) 0x78, (byte) 0xb, (byte) 0x0,
(byte) 0x1, (byte) 0x4, (byte) 0xec, (byte) 0x3, (byte) 0x0, (byte) 0x0, (byte) 0x4, (byte) 0xec,
(byte) 0x3, (byte) 0x0, (byte) 0x0, (byte) 0x2e, (byte) 0x2e, (byte) 0x2f, (byte) 0x7a, (byte) 0x50,
(byte) 0x4b, (byte) 0x1, (byte) 0x2, (byte) 0x1e, (byte) 0x3, (byte) 0xa, (byte) 0x0, (byte) 0x0,
(byte) 0x0, (byte) 0x0, (byte) 0x0, (byte) 0x2e, (byte) 0x94, (byte) 0x1b, (byte) 0x51, (byte) 0xb4,
(byte) 0xcc, (byte) 0xb6, (byte) 0xf1, (byte) 0x4, (byte) 0x0, (byte) 0x0, (byte) 0x0, (byte) 0x4,
(byte) 0x0, (byte) 0x0, (byte) 0x0, (byte) 0x1, (byte) 0x0, (byte) 0x18, (byte) 0x0, (byte) 0x0,
(byte) 0x0, (byte) 0x0, (byte) 0x0, (byte) 0x0, (byte) 0x0, (byte) 0x0, (byte) 0x0, (byte) 0xff,
(byte) 0xa1, (byte) 0x0, (byte) 0x0, (byte) 0x0, (byte) 0x0, (byte) 0x7a, (byte) 0x55, (byte) 0x54,
(byte) 0x5, (byte) 0x0, (byte) 0x3, (byte) 0x77, (byte) 0xfc, (byte) 0x47, (byte) 0x5f, (byte) 0x75,
(byte) 0x78, (byte) 0xb, (byte) 0x0, (byte) 0x1, (byte) 0x4, (byte) 0xec, (byte) 0x3, (byte) 0x0,
(byte) 0x0, (byte) 0x4, (byte) 0xec, (byte) 0x3, (byte) 0x0, (byte) 0x0, (byte) 0x50, (byte) 0x4b,
(byte) 0x5, (byte) 0x6, (byte) 0x0, (byte) 0x0, (byte) 0x0, (byte) 0x0, (byte) 0x1, (byte) 0x0,
(byte) 0x1, (byte) 0x0, (byte) 0x47, (byte) 0x0, (byte) 0x0, (byte) 0x0, (byte) 0x3f, (byte) 0x0,
(byte) 0x0, (byte) 0x0, (byte) 0x0, (byte) 0x0,
};
}