178 lines
8.7 KiB
Java
178 lines
8.7 KiB
Java
/*
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* Copyright (c) 2019, 2021, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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/*
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* @test
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* @summary Corrupt the header CRC fields of the top archive. VM should exit with an error.
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* @requires vm.cds
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* @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds /test/hotspot/jtreg/runtime/cds/appcds/test-classes
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* @build Hello sun.hotspot.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller -jar hello.jar Hello
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* @run driver jdk.test.lib.helpers.ClassFileInstaller sun.hotspot.WhiteBox
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI ArchiveConsistency
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*/
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import java.io.File;
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import java.io.IOException;
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import jdk.test.lib.cds.CDSArchiveUtils;
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import jdk.test.lib.cds.CDSTestUtils;
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import jdk.test.lib.helpers.ClassFileInstaller;
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public class ArchiveConsistency extends DynamicArchiveTestBase {
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public static void main(String[] args) throws Exception {
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runTest(ArchiveConsistency::testCustomBase);
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}
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// Test with custom base archive + top archive
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static void testCustomBase() throws Exception {
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String topArchiveName = getNewArchiveName("top2");
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String baseArchiveName = getNewArchiveName("base");
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TestCommon.dumpBaseArchive(baseArchiveName);
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doTest(baseArchiveName, topArchiveName);
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}
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static void runTwo(String base, String top,
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String jarName, String mainClassName, int exitValue,
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String ... checkMessages) throws Exception {
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CDSTestUtils.Result result = run2(base, top,
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"-Xlog:cds",
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"-Xlog:cds+dynamic=debug",
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"-XX:+VerifySharedSpaces",
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"-cp",
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jarName,
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mainClassName);
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if (exitValue == 0) {
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result.assertNormalExit( output -> {
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for (String s : checkMessages) {
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output.shouldContain(s);
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}
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});
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} else {
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result.assertAbnormalExit( output -> {
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for (String s : checkMessages) {
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output.shouldContain(s);
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}
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});
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}
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}
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private static void doTest(String baseArchiveName, String topArchiveName) throws Exception {
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String appJar = ClassFileInstaller.getJarPath("hello.jar");
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String mainClass = "Hello";
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dump2(baseArchiveName, topArchiveName,
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"-Xlog:cds",
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"-Xlog:cds+dynamic=debug",
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"-cp", appJar, mainClass)
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.assertNormalExit(output -> {
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output.shouldContain("Written dynamic archive 0x");
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});
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File jsa = new File(topArchiveName);
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if (!jsa.exists()) {
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throw new IOException(jsa + " does not exist!");
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}
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// 1. Modify the CRC values in the header of the top archive.
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System.out.println("\n1. Modify the CRC values in the header of the top archive");
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String modTop = getNewArchiveName("modTopRegionsCrc");
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File copiedJsa = CDSArchiveUtils.copyArchiveFile(jsa, modTop);
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CDSArchiveUtils.modifyAllRegionsCrc(copiedJsa);
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runTwo(baseArchiveName, modTop,
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appJar, mainClass, 1,
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new String[] {"Header checksum verification failed",
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"Unable to use shared archive"});
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// 2. Make header size larger than the archive size
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System.out.println("\n2. Make header size larger than the archive size");
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String largerHeaderSize = getNewArchiveName("largerHeaderSize");
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copiedJsa = CDSArchiveUtils.copyArchiveFile(jsa, largerHeaderSize);
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CDSArchiveUtils.modifyHeaderIntField(copiedJsa, CDSArchiveUtils.offsetHeaderSize(), (int)copiedJsa.length() + 1024);
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runTwo(baseArchiveName, largerHeaderSize,
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appJar, mainClass, 1,
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new String[] {"_header_size should be equal to _base_archive_name_offset plus _base_archive_name_size",
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"Unable to use shared archive"});
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// 3. Make base archive path offset beyond of header size
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System.out.println("\n3. Make base archive path offset beyond of header size.");
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String wrongBaseArchiveNameOffset = getNewArchiveName("wrongBaseArchiveNameOffset");
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copiedJsa = CDSArchiveUtils.copyArchiveFile(jsa, wrongBaseArchiveNameOffset);
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int fileHeaderSize = (int)CDSArchiveUtils.fileHeaderSize(copiedJsa);
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int baseArchiveNameOffset = CDSArchiveUtils.baseArchiveNameOffset(copiedJsa);
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CDSArchiveUtils.modifyHeaderIntField(copiedJsa, CDSArchiveUtils.offsetBaseArchiveNameOffset(), baseArchiveNameOffset + 1024);
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runTwo(baseArchiveName, wrongBaseArchiveNameOffset,
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appJar, mainClass, 1,
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new String[] {"_header_size should be equal to _base_archive_name_offset plus _base_archive_name_size",
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"The shared archive file has an incorrect header size",
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"Unable to use shared archive"});
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// 4. Make base archive path offset points to middle of name size
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System.out.println("\n4. Make base archive path offset points to middle of name size");
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String wrongBaseNameOffset = getNewArchiveName("wrongBaseNameOffset");
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copiedJsa = CDSArchiveUtils.copyArchiveFile(jsa, wrongBaseNameOffset);
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int baseArchiveNameSize = CDSArchiveUtils.baseArchiveNameSize(copiedJsa);
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baseArchiveNameOffset = CDSArchiveUtils.baseArchiveNameOffset(copiedJsa);
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CDSArchiveUtils.modifyHeaderIntField(copiedJsa, baseArchiveNameOffset,
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baseArchiveNameOffset + baseArchiveNameSize/2);
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runTwo(baseArchiveName, wrongBaseNameOffset,
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appJar, mainClass, 1,
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new String[] {"An error has occurred while processing the shared archive file.",
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"Header checksum verification failed",
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"Unable to use shared archive"});
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// 5. Make base archive name not terminated with '\0'
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System.out.println("\n5. Make base archive name not terminated with '\0'");
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String wrongBaseName = getNewArchiveName("wrongBaseName");
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copiedJsa = CDSArchiveUtils.copyArchiveFile(jsa, wrongBaseName);
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baseArchiveNameOffset = CDSArchiveUtils.baseArchiveNameOffset(copiedJsa);
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baseArchiveNameSize = CDSArchiveUtils.baseArchiveNameSize(copiedJsa);
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long offset = baseArchiveNameOffset + baseArchiveNameSize - 1; // end of line
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CDSArchiveUtils.writeData(copiedJsa, offset, new byte[] {(byte)'X'});
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runTwo(baseArchiveName, wrongBaseName,
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appJar, mainClass, 1,
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new String[] {"Base archive name is damaged",
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"Header checksum verification failed"});
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// 6. Modify base archive name to a file that doesn't exist.
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System.out.println("\n6. Modify base archive name to a file that doesn't exist");
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String wrongBaseName2 = getNewArchiveName("wrongBaseName2");
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copiedJsa = CDSArchiveUtils.copyArchiveFile(jsa, wrongBaseName2);
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baseArchiveNameOffset = CDSArchiveUtils.baseArchiveNameOffset(copiedJsa);
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baseArchiveNameSize = CDSArchiveUtils.baseArchiveNameSize(copiedJsa);
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offset = baseArchiveNameOffset + baseArchiveNameSize - 2; // the "a" in ".jsa"
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CDSArchiveUtils.writeData(copiedJsa, offset, new byte[] {(byte)'b'}); // .jsa -> .jsb
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// Make sure it doesn't exist
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String badName = baseArchiveName.replace(".jsa", ".jsb");
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(new File(badName)).delete();
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runTwo(baseArchiveName, wrongBaseName2,
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appJar, mainClass, 1,
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new String[] {"Base archive " + badName + " does not exist",
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"Header checksum verification failed"});
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}
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}
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