1 /* 2 * Copyright (c) 2020, 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 8250968 27 * @summary Symlinks attributes not preserved when using jarsigner on zip files 28 * @modules jdk.jartool/sun.security.tools.jarsigner 29 * java.base/sun.security.tools.keytool 30 * @library /test/lib 31 * @run main/othervm SymLinkTest 32 */ 33 34 import java.io.FileInputStream; 35 import java.io.IOException; 36 import java.nio.file.Files; 37 import java.nio.file.Path; 38 import java.util.Formatter; 39 40 import jdk.test.lib.SecurityTools; 41 42 public class SymLinkTest { 43 private final static int BYTES_PER_ROW = 8; 44 private final static String ZIPFILENAME = "8250968-test.zip"; 45 private static final String WARNING_MSG = "POSIX file permission and/or symlink " + 46 "attributes detected. These attributes are ignored when signing and are not " + 47 "protected by the signature."; 48 main(String[] args)49 public static void main(String[] args) throws Exception { 50 // call main with an argument to print the prepared zipfile as byte array declaration 51 if (args.length > 0) { 52 System.out.println("Bytes of " + ZIPFILENAME + ":"); 53 System.out.println(createByteArray(Files.readAllBytes(Path.of(ZIPFILENAME)), "ZIPBYTES")); 54 System.exit(0); 55 } 56 57 Files.write(Path.of(ZIPFILENAME), ZIPBYTES); 58 59 // check attributes before signing 60 verifyExtraAttrs(ZIPFILENAME); 61 62 // generate key for signing 63 SecurityTools.keytool( 64 "-genkey", 65 "-keyalg", "RSA", 66 "-dname", "CN=Coffey, OU=JPG, O=Oracle, L=Santa Clara, ST=California, C=US", 67 "-alias", "examplekey", 68 "-storepass", "password", 69 "-keypass", "password", 70 "-keystore", "examplekeystore", 71 "-validity", "365") 72 .shouldHaveExitValue(0); 73 74 // sign zip file - expect warning 75 SecurityTools.jarsigner( 76 "-keystore", "examplekeystore", 77 "-verbose", ZIPFILENAME, 78 "-storepass", "password", 79 "-keypass", "password", 80 "examplekey") 81 .shouldHaveExitValue(0) 82 .shouldContain(WARNING_MSG); 83 84 // recheck attributes after signing 85 verifyExtraAttrs(ZIPFILENAME); 86 87 // verify zip file - expect warning 88 SecurityTools.jarsigner( 89 "-keystore", "examplekeystore", 90 "-storepass", "password", 91 "-keypass", "password", 92 "-verbose", 93 "-verify", ZIPFILENAME) 94 .shouldHaveExitValue(0) 95 .shouldContain(WARNING_MSG); 96 } 97 verifyExtraAttrs(String zipFileName)98 private static void verifyExtraAttrs(String zipFileName) throws IOException { 99 // the 16 bit extra attributes value should equal 0xa1ff - look for that pattern. 100 // Such values can be read from zip file via 'unzip -Z -l -v <zipfile>' 101 try (FileInputStream fis = new FileInputStream(ZIPFILENAME)) { 102 byte[] b = fis.readAllBytes(); 103 boolean patternFound; 104 for (int i = 0; i < b.length -1; i++) { 105 patternFound = ((b[i] & 0xFF) == 0xFF) && ((b[i + 1] & 0xFF) == 0xA1); 106 if (patternFound) { 107 return; 108 } 109 } 110 throw new RuntimeException("extra attribute value not detected"); 111 } 112 } 113 114 /** 115 * Utility method which takes an byte array and converts to byte array 116 * declaration. For example: 117 * <pre> 118 * {@code 119 * var fooJar = Files.readAllBytes(Path.of("foo.jar")); 120 * var result = createByteArray(fooJar, "FOOBYTES"); 121 * } 122 * </pre> 123 * @param bytes A byte array used to create a byte array declaration 124 * @param name Name to be used in the byte array declaration 125 * @return The formatted byte array declaration 126 */ createByteArray(byte[] bytes, String name)127 private static String createByteArray(byte[] bytes, String name) { 128 StringBuilder sb = new StringBuilder(); 129 try (Formatter fmt = new Formatter(sb)) { 130 fmt.format(" public final static byte[] %s = {", name); 131 for (int i = 0; i < bytes.length; i++) { 132 int mod = i % BYTES_PER_ROW; 133 if (mod == 0) { 134 fmt.format("%n "); 135 } else { 136 fmt.format(" "); 137 } 138 fmt.format("(byte)0x%02x", bytes[i]); 139 if (i != bytes.length - 1) { 140 fmt.format(","); 141 } 142 } 143 fmt.format("%n };%n"); 144 } 145 return sb.toString(); 146 } 147 148 /* 149 * The zipfile itself was created like this: 150 * $ ln -s ../z z 151 * $ ls -l z 152 * lrwxrwxrwx 1 test test 4 Aug 27 18:33 z -> ../z 153 * $ zip -ry 8250968-test.zip z 154 * 155 * The byte array representation was generated using the createByteArray utility method: 156 * $ java SymLinkTest generate 157 */ 158 public final static byte[] ZIPBYTES = { 159 (byte)0x50, (byte)0x4b, (byte)0x03, (byte)0x04, (byte)0x0a, (byte)0x00, (byte)0x00, (byte)0x00, 160 (byte)0x00, (byte)0x00, (byte)0x2e, (byte)0x94, (byte)0x1b, (byte)0x51, (byte)0xb4, (byte)0xcc, 161 (byte)0xb6, (byte)0xf1, (byte)0x04, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x04, (byte)0x00, 162 (byte)0x00, (byte)0x00, (byte)0x01, (byte)0x00, (byte)0x1c, (byte)0x00, (byte)0x7a, (byte)0x55, 163 (byte)0x54, (byte)0x09, (byte)0x00, (byte)0x03, (byte)0x77, (byte)0xfc, (byte)0x47, (byte)0x5f, 164 (byte)0x78, (byte)0xfc, (byte)0x47, (byte)0x5f, (byte)0x75, (byte)0x78, (byte)0x0b, (byte)0x00, 165 (byte)0x01, (byte)0x04, (byte)0xec, (byte)0x03, (byte)0x00, (byte)0x00, (byte)0x04, (byte)0xec, 166 (byte)0x03, (byte)0x00, (byte)0x00, (byte)0x2e, (byte)0x2e, (byte)0x2f, (byte)0x7a, (byte)0x50, 167 (byte)0x4b, (byte)0x01, (byte)0x02, (byte)0x1e, (byte)0x03, (byte)0x0a, (byte)0x00, (byte)0x00, 168 (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x2e, (byte)0x94, (byte)0x1b, (byte)0x51, (byte)0xb4, 169 (byte)0xcc, (byte)0xb6, (byte)0xf1, (byte)0x04, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x04, 170 (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x01, (byte)0x00, (byte)0x18, (byte)0x00, (byte)0x00, 171 (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0xff, 172 (byte)0xa1, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x7a, (byte)0x55, (byte)0x54, 173 (byte)0x05, (byte)0x00, (byte)0x03, (byte)0x77, (byte)0xfc, (byte)0x47, (byte)0x5f, (byte)0x75, 174 (byte)0x78, (byte)0x0b, (byte)0x00, (byte)0x01, (byte)0x04, (byte)0xec, (byte)0x03, (byte)0x00, 175 (byte)0x00, (byte)0x04, (byte)0xec, (byte)0x03, (byte)0x00, (byte)0x00, (byte)0x50, (byte)0x4b, 176 (byte)0x05, (byte)0x06, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x01, (byte)0x00, 177 (byte)0x01, (byte)0x00, (byte)0x47, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x3f, (byte)0x00, 178 (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00 179 }; 180 } 181