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/*
* Copyright (c) 2013, 2022, 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.
*/
package jdk.test.lib;
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.concurrent.TimeUnit;
import java.util.regex.Pattern;
public class Platform {
public static final String vmName = privilegedGetProperty("java.vm.name");
public static final String vmInfo = privilegedGetProperty("java.vm.info");
private static final String osVersion = privilegedGetProperty("os.version");
private static int osVersionMajor = -1;
private static int osVersionMinor = -1;
private static final String osName = privilegedGetProperty("os.name");
private static final String dataModel = privilegedGetProperty("sun.arch.data.model");
private static final String vmVersion = privilegedGetProperty("java.vm.version");
private static final String jdkDebug = privilegedGetProperty("jdk.debug");
private static final String osArch = privilegedGetProperty("os.arch");
private static final String userName = privilegedGetProperty("user.name");
private static final String compiler = privilegedGetProperty("sun.management.compiler");
private static final String testJdk = privilegedGetProperty("test.jdk");
@SuppressWarnings("removal")
private static String privilegedGetProperty(String key) {
return AccessController.doPrivileged((
PrivilegedAction<String>) () -> System.getProperty(key));
}
public static boolean isClient() {
return vmName.endsWith(" Client VM");
}
public static boolean isServer() {
return vmName.endsWith(" Server VM");
}
public static boolean isZero() {
return vmName.endsWith(" Zero VM");
}
public static boolean isMinimal() {
return vmName.endsWith(" Minimal VM");
}
public static boolean isEmbedded() {
return vmName.contains("Embedded");
}
public static boolean isEmulatedClient() {
return vmInfo.contains(" emulated-client");
}
public static boolean isTieredSupported() {
return (compiler != null) && compiler.contains("Tiered Compilers");
}
public static boolean isInt() {
return vmInfo.contains("interpreted");
}
public static boolean isMixed() {
return vmInfo.contains("mixed");
}
public static boolean isComp() {
return vmInfo.contains("compiled");
}
public static boolean is32bit() {
return dataModel.equals("32");
}
public static boolean is64bit() {
return dataModel.equals("64");
}
public static boolean isAix() {
return isOs("aix");
}
public static boolean isLinux() {
return isOs("linux");
}
public static boolean isBusybox(String tool) {
try {
Path toolpath = Paths.get(tool);
return !isWindows()
&& Files.isSymbolicLink(toolpath)
&& Paths.get("/bin/busybox")
.equals(Files.readSymbolicLink(toolpath));
} catch (IOException ignore) {
return false;
}
}
public static boolean isOSX() {
return isOs("mac");
}
public static boolean isWindows() {
return isOs("win");
}
private static boolean isOs(String osname) {
return osName.toLowerCase().startsWith(osname.toLowerCase());
}
public static String getOsName() {
return osName;
}
// Os version support.
private static void init_version() {
String[] osVersionTokens = osVersion.split("\\.");
try {
if (osVersionTokens.length > 0) {
osVersionMajor = Integer.parseInt(osVersionTokens[0]);
if (osVersionTokens.length > 1) {
osVersionMinor = Integer.parseInt(osVersionTokens[1]);
}
}
} catch (NumberFormatException e) {
osVersionMajor = osVersionMinor = 0;
}
}
public static String getOsVersion() {
return osVersion;
}
// Returns major version number from os.version system property.
// E.g. 3 on SLES 11.3 (for the linux kernel version).
public static int getOsVersionMajor() {
if (osVersionMajor == -1) init_version();
return osVersionMajor;
}
// Returns minor version number from os.version system property.
// E.g. 0 on SLES 11.3 (for the linux kernel version).
public static int getOsVersionMinor() {
if (osVersionMinor == -1) init_version();
return osVersionMinor;
}
public static boolean isDebugBuild() {
return (jdkDebug.toLowerCase().contains("debug"));
}
public static boolean isSlowDebugBuild() {
return (jdkDebug.toLowerCase().equals("slowdebug"));
}
public static boolean isFastDebugBuild() {
return (jdkDebug.toLowerCase().equals("fastdebug"));
}
public static String getVMVersion() {
return vmVersion;
}
public static boolean isMusl() {
try {
ProcessBuilder pb = new ProcessBuilder("ldd", "--version");
pb.redirectErrorStream(true);
Process p = pb.start();
BufferedReader b = new BufferedReader(new InputStreamReader(p.getInputStream()));
String l = b.readLine();
if (l != null && l.contains("musl")) { return true; }
} catch(Exception e) {
}
return false;
}
public static boolean isAArch64() {
return isArch("aarch64");
}
public static boolean isARM() {
return isArch("arm.*");
}
public static boolean isRISCV64() {
return isArch("riscv64");
}
public static boolean isPPC() {
return isArch("ppc.*");
}
// Returns true for IBM z System running linux.
public static boolean isS390x() {
return isArch("s390.*") || isArch("s/390.*") || isArch("zArch_64");
}
public static boolean isX64() {
// On OSX it's 'x86_64' and on other (Linux and Windows) platforms it's 'amd64'
return isArch("(amd64)|(x86_64)");
}
public static boolean isX86() {
// On Linux it's 'i386', Windows 'x86' without '_64' suffix.
return isArch("(i386)|(x86(?!_64))");
}
public static String getOsArch() {
return osArch;
}
public static boolean isRoot() {
return userName.equals("root");
}
/**
* Return a boolean for whether SA and jhsdb are ported/available
* on this platform.
*/
public static boolean hasSA() {
if (isZero()) {
return false; // SA is not enabled.
}
if (isAix()) {
return false; // SA not implemented.
} else if (isLinux()) {
if (isS390x() || isARM()) {
return false; // SA not implemented.
}
}
// Other platforms expected to work:
return true;
}
/**
* Return true if the test JDK is hardened, otherwise false. Only valid on OSX.
*/
public static boolean isHardenedOSX() throws IOException {
// We only care about hardened binaries for 10.14 and later (actually 10.14.5, but
// for simplicity we'll also include earlier 10.14 versions).
if (getOsVersionMajor() == 10 && getOsVersionMinor() < 14) {
return false; // assume not hardened
}
// Find the path to the java binary.
String jdkPath = System.getProperty("java.home");
Path javaPath = Paths.get(jdkPath + "/bin/java");
String javaFileName = javaPath.toAbsolutePath().toString();
if (Files.notExists(javaPath)) {
throw new FileNotFoundException("Could not find file " + javaFileName);
}
// Run codesign on the java binary.
ProcessBuilder pb = new ProcessBuilder("codesign", "--display", "--verbose", javaFileName);
pb.redirectErrorStream(true); // redirect stderr to stdout
Process codesignProcess = pb.start();
BufferedReader is = new BufferedReader(new InputStreamReader(codesignProcess.getInputStream()));
String line;
boolean isHardened = false;
boolean hardenedStatusConfirmed = false; // set true when we confirm whether or not hardened
while ((line = is.readLine()) != null) {
System.out.println("STDOUT: " + line);
if (line.indexOf("flags=0x10000(runtime)") != -1 ) {
hardenedStatusConfirmed = true;
isHardened = true;
System.out.println("Target JDK is hardened. Some tests may be skipped.");
} else if (line.indexOf("flags=0x20002(adhoc,linker-signed)") != -1 ) {
hardenedStatusConfirmed = true;
isHardened = false;
System.out.println("Target JDK is adhoc signed, but not hardened.");
} else if (line.indexOf("code object is not signed at all") != -1) {
hardenedStatusConfirmed = true;
isHardened = false;
System.out.println("Target JDK is not signed, therefore not hardened.");
}
}
if (!hardenedStatusConfirmed) {
System.out.println("Could not confirm if TargetJDK is hardened. Assuming not hardened.");
isHardened = false;
}
try {
if (codesignProcess.waitFor(10, TimeUnit.SECONDS) == false) {
System.err.println("Timed out waiting for the codesign process to complete. Assuming not hardened.");
codesignProcess.destroyForcibly();
return false; // assume not hardened
}
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
return isHardened;
}
private static boolean isArch(String archnameRE) {
return Pattern.compile(archnameRE, Pattern.CASE_INSENSITIVE)
.matcher(osArch)
.matches();
}
/**
* Returns file extension of shared library, e.g. "so" on linux, "dll" on windows.
* @return file extension
*/
public static String sharedLibraryExt() {
if (isWindows()) {
return "dll";
} else if (isOSX()) {
return "dylib";
} else {
return "so";
}
}
/*
* Returns name of system variable containing paths to shared native libraries.
*/
public static String sharedLibraryPathVariableName() {
if (isWindows()) {
return "PATH";
} else if (isOSX()) {
return "DYLD_LIBRARY_PATH";
} else if (isAix()) {
return "LIBPATH";
} else {
return "LD_LIBRARY_PATH";
}
}
/**
* Returns absolute path to directory containing shared libraries in the tested JDK.
*/
public static Path libDir() {
return libDir(Paths.get(testJdk)).toAbsolutePath();
}
/**
* Resolves a given path, to a JDK image, to the directory containing shared libraries.
*
* @param image the path to a JDK image
* @return the resolved path to the directory containing shared libraries
*/
public static Path libDir(Path image) {
if (Platform.isWindows()) {
return image.resolve("bin");
} else {
return image.resolve("lib");
}
}
/**
* Returns absolute path to directory containing JVM shared library.
*/
public static Path jvmLibDir() {
return libDir().resolve(variant());
}
private static String variant() {
if (Platform.isServer()) {
return "server";
} else if (Platform.isClient()) {
return "client";
} else if (Platform.isMinimal()) {
return "minimal";
} else if (Platform.isZero()) {
return "zero";
} else {
throw new Error("TESTBUG: unsupported vm variant");
}
}
public static boolean isDefaultCDSArchiveSupported() {
return (is64bit() &&
isServer() &&
(isLinux() ||
isOSX() ||
isWindows()) &&
!isZero() &&
!isMinimal() &&
!isARM());
}
/*
* This should match the #if condition in ClassListParser::load_class_from_source().
*/
public static boolean areCustomLoadersSupportedForCDS() {
return (is64bit() && (isLinux() || isOSX() || isWindows()));
}
}
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