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/*
* Copyright 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Copyright 2013 The Netty Project
*
* The Netty Project licenses this file to you under the Apache License,
* version 2.0 (the "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*/
package org.conscrypt;
import java.io.File;
import java.util.Locale;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Utilities for interacting with properties of the host being run on.
*/
public class HostProperties {
private static final Logger logger = Logger.getLogger(HostProperties.class.getName());
private static final String TEMP_DIR_PROPERTY_NAME = "org.conscrypt.tmpdir";
static final OperatingSystem OS;
static final Architecture ARCH;
static {
OS = getOperatingSystem(System.getProperty("os.name", ""));
ARCH = getArchitecture(System.getProperty("os.arch", ""));
}
/**
* Enumeration of operating systems.
*/
enum OperatingSystem {
AIX,
HPUX,
OS400,
LINUX,
OSX,
FREEBSD,
OPENBSD,
NETBSD,
SUNOS,
WINDOWS,
UNKNOWN;
/**
* Returns the value to use when building filenames for this OS.
*/
public String getFileComponent() {
return name().toLowerCase();
}
}
/**
* Enumeration of architectures.
*/
enum Architecture {
X86_64,
X86_32 {
@Override public String getFileComponent() {
return "x86";
}
},
ITANIUM_64,
SPARC_32,
SPARC_64,
ARM_32,
AARCH_64,
PPC_32,
PPC_64,
PPCLE_64,
S390_32,
S390_64,
UNKNOWN;
/**
* Returns the value to use when building filenames for this architecture.
*/
public String getFileComponent() {
return name().toLowerCase();
}
}
static boolean isWindows() {
return OS == OperatingSystem.WINDOWS;
}
static boolean isOSX() {
return OS == OperatingSystem.OSX;
}
static File getTempDir() {
File f;
try {
// First, see if the application specified a temp dir for conscrypt.
f = toDirectory(System.getProperty(TEMP_DIR_PROPERTY_NAME));
if (f != null) {
return f;
}
// Use the Java system property if available.
f = toDirectory(System.getProperty("java.io.tmpdir"));
if (f != null) {
return f;
}
// This shouldn't happen, but just in case ..
if (isWindows()) {
f = toDirectory(System.getenv("TEMP"));
if (f != null) {
return f;
}
String userprofile = System.getenv("USERPROFILE");
if (userprofile != null) {
f = toDirectory(userprofile + "\\AppData\\Local\\Temp");
if (f != null) {
return f;
}
f = toDirectory(userprofile + "\\Local Settings\\Temp");
if (f != null) {
return f;
}
}
} else {
f = toDirectory(System.getenv("TMPDIR"));
if (f != null) {
return f;
}
}
} catch (Exception ignored) {
// Environment variable inaccessible
}
// Last resort.
if (isWindows()) {
f = new File("C:\\Windows\\Temp");
} else {
f = new File("/tmp");
}
logger.log(Level.WARNING,
"Failed to get the temporary directory; falling back to: {0}", f);
return f;
}
@SuppressWarnings("ResultOfMethodCallIgnored")
private static File toDirectory(String path) {
if (path == null) {
return null;
}
File f = new File(path);
f.mkdirs();
if (!f.isDirectory()) {
return null;
}
try {
return f.getAbsoluteFile();
} catch (Exception ignored) {
return f;
}
}
private static String normalize(String value) {
return value.toLowerCase(Locale.US).replaceAll("[^a-z0-9]+", "");
}
/**
* Normalizes the os.name value into the value used by the Maven os plugin
* (https://github.com/trustin/os-maven-plugin). This plugin is used to generate
* platform-specific
* classifiers for artifacts.
*/
private static OperatingSystem getOperatingSystem(String value) {
value = normalize(value);
if (value.startsWith("aix")) {
return OperatingSystem.AIX;
}
if (value.startsWith("hpux")) {
return OperatingSystem.HPUX;
}
if (value.startsWith("os400")) {
// Avoid the names such as os4000
if (value.length() <= 5 || !Character.isDigit(value.charAt(5))) {
return OperatingSystem.OS400;
}
}
if (value.startsWith("linux")) {
return OperatingSystem.LINUX;
}
if (value.startsWith("macosx") || value.startsWith("osx")) {
return OperatingSystem.OSX;
}
if (value.startsWith("freebsd")) {
return OperatingSystem.FREEBSD;
}
if (value.startsWith("openbsd")) {
return OperatingSystem.OPENBSD;
}
if (value.startsWith("netbsd")) {
return OperatingSystem.NETBSD;
}
if (value.startsWith("solaris") || value.startsWith("sunos")) {
return OperatingSystem.SUNOS;
}
if (value.startsWith("windows")) {
return OperatingSystem.WINDOWS;
}
return OperatingSystem.UNKNOWN;
}
/**
* Normalizes the os.arch value into the value used by the Maven os plugin
* (https://github.com/trustin/os-maven-plugin). This plugin is used to generate
* platform-specific
* classifiers for artifacts.
*/
private static Architecture getArchitecture(String value) {
value = normalize(value);
if (value.matches("^(x8664|amd64|ia32e|em64t|x64)$")) {
return Architecture.X86_64;
}
if (value.matches("^(x8632|x86|i[3-6]86|ia32|x32)$")) {
return Architecture.X86_32;
}
if (value.matches("^(ia64|itanium64)$")) {
return Architecture.ITANIUM_64;
}
if (value.matches("^(sparc|sparc32)$")) {
return Architecture.SPARC_32;
}
if (value.matches("^(sparcv9|sparc64)$")) {
return Architecture.SPARC_64;
}
if (value.matches("^(arm|arm32)$")) {
return Architecture.ARM_32;
}
if ("aarch64".equals(value)) {
return Architecture.AARCH_64;
}
if (value.matches("^(ppc|ppc32)$")) {
return Architecture.PPC_32;
}
if ("ppc64".equals(value)) {
return Architecture.PPC_64;
}
if ("ppc64le".equals(value)) {
return Architecture.PPCLE_64;
}
if ("s390".equals(value)) {
return Architecture.S390_32;
}
if ("s390x".equals(value)) {
return Architecture.S390_64;
}
return Architecture.UNKNOWN;
}
private HostProperties() {}
}
