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Diffstat (limited to 'launcher/java/JavaUtils.cpp')
| -rw-r--r-- | launcher/java/JavaUtils.cpp | 399 |
1 files changed, 399 insertions, 0 deletions
diff --git a/launcher/java/JavaUtils.cpp b/launcher/java/JavaUtils.cpp new file mode 100644 index 00000000..4b231e6a --- /dev/null +++ b/launcher/java/JavaUtils.cpp @@ -0,0 +1,399 @@ +/* Copyright 2013-2021 MultiMC Contributors + * + * 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. + */ + +#include <QStringList> +#include <QString> +#include <QDir> +#include <QStringList> + +#include <settings/Setting.h> + +#include <QDebug> +#include "java/JavaUtils.h" +#include "java/JavaInstallList.h" +#include "FileSystem.h" + +#define IBUS "@im=ibus" + +JavaUtils::JavaUtils() +{ +} + +#ifdef Q_OS_LINUX +static QString processLD_LIBRARY_PATH(const QString & LD_LIBRARY_PATH) +{ + QDir mmcBin(QCoreApplication::applicationDirPath()); + auto items = LD_LIBRARY_PATH.split(':'); + QStringList final; + for(auto & item: items) + { + QDir test(item); + if(test == mmcBin) + { + qDebug() << "Env:LD_LIBRARY_PATH ignoring path" << item; + continue; + } + final.append(item); + } + return final.join(':'); +} +#endif + +QProcessEnvironment CleanEnviroment() +{ + // prepare the process environment + QProcessEnvironment rawenv = QProcessEnvironment::systemEnvironment(); + QProcessEnvironment env; + + QStringList ignored = + { + "JAVA_ARGS", + "CLASSPATH", + "CONFIGPATH", + "JAVA_HOME", + "JRE_HOME", + "_JAVA_OPTIONS", + "JAVA_OPTIONS", + "JAVA_TOOL_OPTIONS" + }; + for(auto key: rawenv.keys()) + { + auto value = rawenv.value(key); + // filter out dangerous java crap + if(ignored.contains(key)) + { + qDebug() << "Env: ignoring" << key << value; + continue; + } + // filter MultiMC-related things + if(key.startsWith("QT_")) + { + qDebug() << "Env: ignoring" << key << value; + continue; + } +#ifdef Q_OS_LINUX + // Do not pass LD_* variables to java. They were intended for MultiMC + if(key.startsWith("LD_")) + { + qDebug() << "Env: ignoring" << key << value; + continue; + } + // Strip IBus + // IBus is a Linux IME framework. For some reason, it breaks MC? + if (key == "XMODIFIERS" && value.contains(IBUS)) + { + QString save = value; + value.replace(IBUS, ""); + qDebug() << "Env: stripped" << IBUS << "from" << save << ":" << value; + } + if(key == "GAME_PRELOAD") + { + env.insert("LD_PRELOAD", value); + continue; + } + if(key == "GAME_LIBRARY_PATH") + { + env.insert("LD_LIBRARY_PATH", processLD_LIBRARY_PATH(value)); + continue; + } +#endif + // qDebug() << "Env: " << key << value; + env.insert(key, value); + } +#ifdef Q_OS_LINUX + // HACK: Workaround for QTBUG42500 + if(!env.contains("LD_LIBRARY_PATH")) + { + env.insert("LD_LIBRARY_PATH", ""); + } +#endif + + return env; +} + +JavaInstallPtr JavaUtils::MakeJavaPtr(QString path, QString id, QString arch) +{ + JavaInstallPtr javaVersion(new JavaInstall()); + + javaVersion->id = id; + javaVersion->arch = arch; + javaVersion->path = path; + + return javaVersion; +} + +JavaInstallPtr JavaUtils::GetDefaultJava() +{ + JavaInstallPtr javaVersion(new JavaInstall()); + + javaVersion->id = "java"; + javaVersion->arch = "unknown"; +#if defined(Q_OS_WIN32) + javaVersion->path = "javaw"; +#else + javaVersion->path = "java"; +#endif + + return javaVersion; +} + +#if defined(Q_OS_WIN32) +QList<JavaInstallPtr> JavaUtils::FindJavaFromRegistryKey(DWORD keyType, QString keyName, QString keyJavaDir, QString subkeySuffix) +{ + QList<JavaInstallPtr> javas; + + QString archType = "unknown"; + if (keyType == KEY_WOW64_64KEY) + archType = "64"; + else if (keyType == KEY_WOW64_32KEY) + archType = "32"; + + HKEY jreKey; + if (RegOpenKeyExA(HKEY_LOCAL_MACHINE, keyName.toStdString().c_str(), 0, + KEY_READ | keyType | KEY_ENUMERATE_SUB_KEYS, &jreKey) == ERROR_SUCCESS) + { + // Read the current type version from the registry. + // This will be used to find any key that contains the JavaHome value. + char *value = new char[0]; + DWORD valueSz = 0; + if (RegQueryValueExA(jreKey, "CurrentVersion", NULL, NULL, (BYTE *)value, &valueSz) == + ERROR_MORE_DATA) + { + value = new char[valueSz]; + RegQueryValueExA(jreKey, "CurrentVersion", NULL, NULL, (BYTE *)value, &valueSz); + } + + TCHAR subKeyName[255]; + DWORD subKeyNameSize, numSubKeys, retCode; + + // Get the number of subkeys + RegQueryInfoKey(jreKey, NULL, NULL, NULL, &numSubKeys, NULL, NULL, NULL, NULL, NULL, + NULL, NULL); + + // Iterate until RegEnumKeyEx fails + if (numSubKeys > 0) + { + for (DWORD i = 0; i < numSubKeys; i++) + { + subKeyNameSize = 255; + retCode = RegEnumKeyEx(jreKey, i, subKeyName, &subKeyNameSize, NULL, NULL, NULL, + NULL); + if (retCode == ERROR_SUCCESS) + { + // Now open the registry key for the version that we just got. + QString newKeyName = keyName + "\\" + subKeyName + subkeySuffix; + + HKEY newKey; + if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, newKeyName.toStdString().c_str(), 0, + KEY_READ | KEY_WOW64_64KEY, &newKey) == ERROR_SUCCESS) + { + // Read the JavaHome value to find where Java is installed. + value = new char[0]; + valueSz = 0; + if (RegQueryValueEx(newKey, keyJavaDir.toStdString().c_str(), NULL, NULL, (BYTE *)value, + &valueSz) == ERROR_MORE_DATA) + { + value = new char[valueSz]; + RegQueryValueEx(newKey, keyJavaDir.toStdString().c_str(), NULL, NULL, (BYTE *)value, + &valueSz); + + // Now, we construct the version object and add it to the list. + JavaInstallPtr javaVersion(new JavaInstall()); + + javaVersion->id = subKeyName; + javaVersion->arch = archType; + javaVersion->path = + QDir(FS::PathCombine(value, "bin")).absoluteFilePath("javaw.exe"); + javas.append(javaVersion); + } + + RegCloseKey(newKey); + } + } + } + } + + RegCloseKey(jreKey); + } + + return javas; +} + +QList<QString> JavaUtils::FindJavaPaths() +{ + QList<JavaInstallPtr> java_candidates; + + // Oracle + QList<JavaInstallPtr> JRE64s = this->FindJavaFromRegistryKey( + KEY_WOW64_64KEY, "SOFTWARE\\JavaSoft\\Java Runtime Environment", "JavaHome"); + QList<JavaInstallPtr> JDK64s = this->FindJavaFromRegistryKey( + KEY_WOW64_64KEY, "SOFTWARE\\JavaSoft\\Java Development Kit", "JavaHome"); + QList<JavaInstallPtr> JRE32s = this->FindJavaFromRegistryKey( + KEY_WOW64_32KEY, "SOFTWARE\\JavaSoft\\Java Runtime Environment", "JavaHome"); + QList<JavaInstallPtr> JDK32s = this->FindJavaFromRegistryKey( + KEY_WOW64_32KEY, "SOFTWARE\\JavaSoft\\Java Development Kit", "JavaHome"); + + // Oracle for Java 9 and newer + QList<JavaInstallPtr> NEWJRE64s = this->FindJavaFromRegistryKey( + KEY_WOW64_64KEY, "SOFTWARE\\JavaSoft\\JRE", "JavaHome"); + QList<JavaInstallPtr> NEWJDK64s = this->FindJavaFromRegistryKey( + KEY_WOW64_64KEY, "SOFTWARE\\JavaSoft\\JDK", "JavaHome"); + QList<JavaInstallPtr> NEWJRE32s = this->FindJavaFromRegistryKey( + KEY_WOW64_32KEY, "SOFTWARE\\JavaSoft\\JRE", "JavaHome"); + QList<JavaInstallPtr> NEWJDK32s = this->FindJavaFromRegistryKey( + KEY_WOW64_32KEY, "SOFTWARE\\JavaSoft\\JDK", "JavaHome"); + + // AdoptOpenJDK + QList<JavaInstallPtr> ADOPTOPENJRE32s = this->FindJavaFromRegistryKey( + KEY_WOW64_32KEY, "SOFTWARE\\AdoptOpenJDK\\JRE", "Path", "\\hotspot\\MSI"); + QList<JavaInstallPtr> ADOPTOPENJRE64s = this->FindJavaFromRegistryKey( + KEY_WOW64_64KEY, "SOFTWARE\\AdoptOpenJDK\\JRE", "Path", "\\hotspot\\MSI"); + QList<JavaInstallPtr> ADOPTOPENJDK32s = this->FindJavaFromRegistryKey( + KEY_WOW64_32KEY, "SOFTWARE\\AdoptOpenJDK\\JDK", "Path", "\\hotspot\\MSI"); + QList<JavaInstallPtr> ADOPTOPENJDK64s = this->FindJavaFromRegistryKey( + KEY_WOW64_64KEY, "SOFTWARE\\AdoptOpenJDK\\JDK", "Path", "\\hotspot\\MSI"); + + // Microsoft + QList<JavaInstallPtr> MICROSOFTJDK64s = this->FindJavaFromRegistryKey( + KEY_WOW64_64KEY, "SOFTWARE\\Microsoft\\JDK", "Path", "\\hotspot\\MSI"); + + // Azul Zulu + QList<JavaInstallPtr> ZULU64s = this->FindJavaFromRegistryKey( + KEY_WOW64_64KEY, "SOFTWARE\\Azul Systems\\Zulu", "InstallationPath"); + QList<JavaInstallPtr> ZULU32s = this->FindJavaFromRegistryKey( + KEY_WOW64_32KEY, "SOFTWARE\\Azul Systems\\Zulu", "InstallationPath"); + + // BellSoft Liberica + QList<JavaInstallPtr> LIBERICA64s = this->FindJavaFromRegistryKey( + KEY_WOW64_64KEY, "SOFTWARE\\BellSoft\\Liberica", "InstallationPath"); + QList<JavaInstallPtr> LIBERICA32s = this->FindJavaFromRegistryKey( + KEY_WOW64_32KEY, "SOFTWARE\\BellSoft\\Liberica", "InstallationPath"); + + // List x64 before x86 + java_candidates.append(JRE64s); + java_candidates.append(NEWJRE64s); + java_candidates.append(ADOPTOPENJRE64s); + java_candidates.append(MakeJavaPtr("C:/Program Files/Java/jre8/bin/javaw.exe")); + java_candidates.append(MakeJavaPtr("C:/Program Files/Java/jre7/bin/javaw.exe")); + java_candidates.append(MakeJavaPtr("C:/Program Files/Java/jre6/bin/javaw.exe")); + java_candidates.append(JDK64s); + java_candidates.append(NEWJDK64s); + java_candidates.append(ADOPTOPENJDK64s); + java_candidates.append(MICROSOFTJDK64s); + java_candidates.append(ZULU64s); + java_candidates.append(LIBERICA64s); + + java_candidates.append(JRE32s); + java_candidates.append(NEWJRE32s); + java_candidates.append(ADOPTOPENJRE32s); + java_candidates.append(MakeJavaPtr("C:/Program Files (x86)/Java/jre8/bin/javaw.exe")); + java_candidates.append(MakeJavaPtr("C:/Program Files (x86)/Java/jre7/bin/javaw.exe")); + java_candidates.append(MakeJavaPtr("C:/Program Files (x86)/Java/jre6/bin/javaw.exe")); + java_candidates.append(JDK32s); + java_candidates.append(NEWJDK32s); + java_candidates.append(ADOPTOPENJDK32s); + java_candidates.append(ZULU32s); + java_candidates.append(LIBERICA32s); + + java_candidates.append(MakeJavaPtr(this->GetDefaultJava()->path)); + + QList<QString> candidates; + for(JavaInstallPtr java_candidate : java_candidates) + { + if(!candidates.contains(java_candidate->path)) + { + candidates.append(java_candidate->path); + } + } + + return candidates; +} + +#elif defined(Q_OS_MAC) +QList<QString> JavaUtils::FindJavaPaths() +{ + QList<QString> javas; + javas.append(this->GetDefaultJava()->path); + javas.append("/Applications/Xcode.app/Contents/Applications/Application Loader.app/Contents/MacOS/itms/java/bin/java"); + javas.append("/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home/bin/java"); + javas.append("/System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/java"); + QDir libraryJVMDir("/Library/Java/JavaVirtualMachines/"); + QStringList libraryJVMJavas = libraryJVMDir.entryList(QDir::Dirs | QDir::NoDotAndDotDot); + foreach (const QString &java, libraryJVMJavas) { + javas.append(libraryJVMDir.absolutePath() + "/" + java + "/Contents/Home/bin/java"); + javas.append(libraryJVMDir.absolutePath() + "/" + java + "/Contents/Home/jre/bin/java"); + } + QDir systemLibraryJVMDir("/System/Library/Java/JavaVirtualMachines/"); + QStringList systemLibraryJVMJavas = systemLibraryJVMDir.entryList(QDir::Dirs | QDir::NoDotAndDotDot); + foreach (const QString &java, systemLibraryJVMJavas) { + javas.append(systemLibraryJVMDir.absolutePath() + "/" + java + "/Contents/Home/bin/java"); + javas.append(systemLibraryJVMDir.absolutePath() + "/" + java + "/Contents/Commands/java"); + } + return javas; +} + +#elif defined(Q_OS_LINUX) +QList<QString> JavaUtils::FindJavaPaths() +{ + qDebug() << "Linux Java detection incomplete - defaulting to \"java\""; + + QList<QString> javas; + javas.append(this->GetDefaultJava()->path); + auto scanJavaDir = [&](const QString & dirPath) + { + QDir dir(dirPath); + if(!dir.exists()) + return; + auto entries = dir.entryInfoList(QDir::Dirs | QDir::NoDotAndDotDot | QDir::NoSymLinks); + for(auto & entry: entries) + { + + QString prefix; + if(entry.isAbsolute()) + { + prefix = entry.absoluteFilePath(); + } + else + { + prefix = entry.filePath(); + } + + javas.append(FS::PathCombine(prefix, "jre/bin/java")); + javas.append(FS::PathCombine(prefix, "bin/java")); + } + }; + // oracle RPMs + scanJavaDir("/usr/java"); + // general locations used by distro packaging + scanJavaDir("/usr/lib/jvm"); + scanJavaDir("/usr/lib32/jvm"); + // javas stored in MultiMC's folder + scanJavaDir("java"); + // manually installed JDKs in /opt + scanJavaDir("/opt/jdk"); + scanJavaDir("/opt/jdks"); + return javas; +} +#else +QList<QString> JavaUtils::FindJavaPaths() +{ + qDebug() << "Unknown operating system build - defaulting to \"java\""; + + QList<QString> javas; + javas.append(this->GetDefaultJava()->path); + + return javas; +} +#endif |