440 lines
16 KiB
C++
440 lines
16 KiB
C++
/* Copyright 2013-2021 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <QStringList>
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#include <QString>
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#include <QDir>
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#include <QStringList>
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#include <settings/Setting.h>
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#include <QDebug>
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#include "java/JavaUtils.h"
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#include "java/JavaInstallList.h"
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#include "FileSystem.h"
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#define IBUS "@im=ibus"
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JavaUtils::JavaUtils()
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{
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}
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#if defined(Q_OS_LINUX) || defined(Q_OS_FREEBSD)
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static QString processLD_LIBRARY_PATH(const QString & LD_LIBRARY_PATH)
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{
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QDir mmcBin(QCoreApplication::applicationDirPath());
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auto items = LD_LIBRARY_PATH.split(':');
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QStringList final;
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for(auto & item: items)
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{
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QDir test(item);
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if(test == mmcBin)
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{
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qDebug() << "Env:LD_LIBRARY_PATH ignoring path" << item;
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continue;
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}
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final.append(item);
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}
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return final.join(':');
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}
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#endif
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QProcessEnvironment CleanEnviroment()
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{
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// prepare the process environment
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QProcessEnvironment rawenv = QProcessEnvironment::systemEnvironment();
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QProcessEnvironment env;
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QStringList ignored =
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{
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"JAVA_ARGS",
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"CLASSPATH",
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"CONFIGPATH",
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"JAVA_HOME",
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"JRE_HOME",
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"_JAVA_OPTIONS",
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"JAVA_OPTIONS",
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"JAVA_TOOL_OPTIONS"
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};
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for(auto key: rawenv.keys())
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{
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auto value = rawenv.value(key);
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// filter out dangerous java crap
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if(ignored.contains(key))
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{
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qDebug() << "Env: ignoring" << key << value;
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continue;
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}
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// filter PolyMC-related things
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if(key.startsWith("QT_"))
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{
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qDebug() << "Env: ignoring" << key << value;
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continue;
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}
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#if defined(Q_OS_LINUX) || defined(Q_OS_FREEBSD)
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// Do not pass LD_* variables to java. They were intended for PolyMC
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if(key.startsWith("LD_"))
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{
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qDebug() << "Env: ignoring" << key << value;
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continue;
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}
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// Strip IBus
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// IBus is a Linux IME framework. For some reason, it breaks MC?
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if (key == "XMODIFIERS" && value.contains(IBUS))
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{
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QString save = value;
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value.replace(IBUS, "");
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qDebug() << "Env: stripped" << IBUS << "from" << save << ":" << value;
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}
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if(key == "GAME_PRELOAD")
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{
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env.insert("LD_PRELOAD", value);
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continue;
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}
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if(key == "GAME_LIBRARY_PATH")
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{
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env.insert("LD_LIBRARY_PATH", processLD_LIBRARY_PATH(value));
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continue;
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}
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#endif
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// qDebug() << "Env: " << key << value;
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env.insert(key, value);
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}
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#ifdef Q_OS_LINUX
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// HACK: Workaround for QTBUG42500
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if(!env.contains("LD_LIBRARY_PATH"))
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{
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env.insert("LD_LIBRARY_PATH", "");
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}
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#endif
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return env;
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}
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JavaInstallPtr JavaUtils::MakeJavaPtr(QString path, QString id, QString arch)
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{
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JavaInstallPtr javaVersion(new JavaInstall());
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javaVersion->id = id;
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javaVersion->arch = arch;
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javaVersion->path = path;
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return javaVersion;
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}
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JavaInstallPtr JavaUtils::GetDefaultJava()
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{
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JavaInstallPtr javaVersion(new JavaInstall());
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javaVersion->id = "java";
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javaVersion->arch = "unknown";
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#if defined(Q_OS_WIN32)
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javaVersion->path = "javaw";
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#else
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javaVersion->path = "java";
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#endif
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return javaVersion;
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}
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QStringList addJavasFromEnv(QList<QString> javas)
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{
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QByteArray env = qgetenv("POLYMC_JAVA_PATHS");
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#if defined(Q_OS_WIN32)
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QList<QString> javaPaths = QString::fromLocal8Bit(env).split(QLatin1String(";"));
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#else
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QList<QString> javaPaths = QString::fromLocal8Bit(env).split(QLatin1String(":"));
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#endif
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for(QString i : javaPaths)
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{
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javas.append(i);
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};
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return javas;
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}
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#if defined(Q_OS_WIN32)
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QList<JavaInstallPtr> JavaUtils::FindJavaFromRegistryKey(DWORD keyType, QString keyName, QString keyJavaDir, QString subkeySuffix)
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{
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QList<JavaInstallPtr> javas;
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QString archType = "unknown";
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if (keyType == KEY_WOW64_64KEY)
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archType = "64";
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else if (keyType == KEY_WOW64_32KEY)
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archType = "32";
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HKEY jreKey;
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if (RegOpenKeyExA(HKEY_LOCAL_MACHINE, keyName.toStdString().c_str(), 0,
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KEY_READ | keyType | KEY_ENUMERATE_SUB_KEYS, &jreKey) == ERROR_SUCCESS)
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{
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// Read the current type version from the registry.
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// This will be used to find any key that contains the JavaHome value.
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char *value = new char[0];
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DWORD valueSz = 0;
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if (RegQueryValueExA(jreKey, "CurrentVersion", NULL, NULL, (BYTE *)value, &valueSz) ==
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ERROR_MORE_DATA)
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{
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value = new char[valueSz];
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RegQueryValueExA(jreKey, "CurrentVersion", NULL, NULL, (BYTE *)value, &valueSz);
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}
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TCHAR subKeyName[255];
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DWORD subKeyNameSize, numSubKeys, retCode;
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// Get the number of subkeys
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RegQueryInfoKey(jreKey, NULL, NULL, NULL, &numSubKeys, NULL, NULL, NULL, NULL, NULL,
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NULL, NULL);
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// Iterate until RegEnumKeyEx fails
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if (numSubKeys > 0)
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{
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for (DWORD i = 0; i < numSubKeys; i++)
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{
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subKeyNameSize = 255;
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retCode = RegEnumKeyEx(jreKey, i, subKeyName, &subKeyNameSize, NULL, NULL, NULL,
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NULL);
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if (retCode == ERROR_SUCCESS)
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{
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// Now open the registry key for the version that we just got.
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QString newKeyName = keyName + "\\" + subKeyName + subkeySuffix;
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HKEY newKey;
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if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, newKeyName.toStdString().c_str(), 0,
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KEY_READ | KEY_WOW64_64KEY, &newKey) == ERROR_SUCCESS)
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{
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// Read the JavaHome value to find where Java is installed.
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value = new char[0];
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valueSz = 0;
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if (RegQueryValueEx(newKey, keyJavaDir.toStdString().c_str(), NULL, NULL, (BYTE *)value,
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&valueSz) == ERROR_MORE_DATA)
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{
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value = new char[valueSz];
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RegQueryValueEx(newKey, keyJavaDir.toStdString().c_str(), NULL, NULL, (BYTE *)value,
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&valueSz);
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// Now, we construct the version object and add it to the list.
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JavaInstallPtr javaVersion(new JavaInstall());
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javaVersion->id = subKeyName;
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javaVersion->arch = archType;
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javaVersion->path =
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QDir(FS::PathCombine(value, "bin")).absoluteFilePath("javaw.exe");
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javas.append(javaVersion);
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}
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RegCloseKey(newKey);
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}
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}
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}
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}
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RegCloseKey(jreKey);
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}
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return javas;
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}
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QList<QString> JavaUtils::FindJavaPaths()
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{
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QList<JavaInstallPtr> java_candidates;
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// Oracle
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QList<JavaInstallPtr> JRE64s = this->FindJavaFromRegistryKey(
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KEY_WOW64_64KEY, "SOFTWARE\\JavaSoft\\Java Runtime Environment", "JavaHome");
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QList<JavaInstallPtr> JDK64s = this->FindJavaFromRegistryKey(
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KEY_WOW64_64KEY, "SOFTWARE\\JavaSoft\\Java Development Kit", "JavaHome");
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QList<JavaInstallPtr> JRE32s = this->FindJavaFromRegistryKey(
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KEY_WOW64_32KEY, "SOFTWARE\\JavaSoft\\Java Runtime Environment", "JavaHome");
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QList<JavaInstallPtr> JDK32s = this->FindJavaFromRegistryKey(
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KEY_WOW64_32KEY, "SOFTWARE\\JavaSoft\\Java Development Kit", "JavaHome");
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// Oracle for Java 9 and newer
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QList<JavaInstallPtr> NEWJRE64s = this->FindJavaFromRegistryKey(
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KEY_WOW64_64KEY, "SOFTWARE\\JavaSoft\\JRE", "JavaHome");
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QList<JavaInstallPtr> NEWJDK64s = this->FindJavaFromRegistryKey(
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KEY_WOW64_64KEY, "SOFTWARE\\JavaSoft\\JDK", "JavaHome");
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QList<JavaInstallPtr> NEWJRE32s = this->FindJavaFromRegistryKey(
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KEY_WOW64_32KEY, "SOFTWARE\\JavaSoft\\JRE", "JavaHome");
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QList<JavaInstallPtr> NEWJDK32s = this->FindJavaFromRegistryKey(
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KEY_WOW64_32KEY, "SOFTWARE\\JavaSoft\\JDK", "JavaHome");
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// AdoptOpenJDK
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QList<JavaInstallPtr> ADOPTOPENJRE32s = this->FindJavaFromRegistryKey(
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KEY_WOW64_32KEY, "SOFTWARE\\AdoptOpenJDK\\JRE", "Path", "\\hotspot\\MSI");
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QList<JavaInstallPtr> ADOPTOPENJRE64s = this->FindJavaFromRegistryKey(
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KEY_WOW64_64KEY, "SOFTWARE\\AdoptOpenJDK\\JRE", "Path", "\\hotspot\\MSI");
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QList<JavaInstallPtr> ADOPTOPENJDK32s = this->FindJavaFromRegistryKey(
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KEY_WOW64_32KEY, "SOFTWARE\\AdoptOpenJDK\\JDK", "Path", "\\hotspot\\MSI");
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QList<JavaInstallPtr> ADOPTOPENJDK64s = this->FindJavaFromRegistryKey(
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KEY_WOW64_64KEY, "SOFTWARE\\AdoptOpenJDK\\JDK", "Path", "\\hotspot\\MSI");
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// Eclipse Foundation
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QList<JavaInstallPtr> FOUNDATIONJDK32s = this->FindJavaFromRegistryKey(
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KEY_WOW64_32KEY, "SOFTWARE\\Eclipse Foundation\\JDK", "Path", "\\hotspot\\MSI");
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QList<JavaInstallPtr> FOUNDATIONJDK64s = this->FindJavaFromRegistryKey(
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KEY_WOW64_64KEY, "SOFTWARE\\Eclipse Foundation\\JDK", "Path", "\\hotspot\\MSI");
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// Eclipse Adoptium
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QList<JavaInstallPtr> ADOPTIUMJRE32s = this->FindJavaFromRegistryKey(
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KEY_WOW64_32KEY, "SOFTWARE\\Eclipse Adoptium\\JRE", "Path", "\\hotspot\\MSI");
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QList<JavaInstallPtr> ADOPTIUMJRE64s = this->FindJavaFromRegistryKey(
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KEY_WOW64_64KEY, "SOFTWARE\\Eclipse Adoptium\\JRE", "Path", "\\hotspot\\MSI");
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QList<JavaInstallPtr> ADOPTIUMJDK32s = this->FindJavaFromRegistryKey(
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KEY_WOW64_32KEY, "SOFTWARE\\Eclipse Adoptium\\JDK", "Path", "\\hotspot\\MSI");
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QList<JavaInstallPtr> ADOPTIUMJDK64s = this->FindJavaFromRegistryKey(
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KEY_WOW64_64KEY, "SOFTWARE\\Eclipse Adoptium\\JDK", "Path", "\\hotspot\\MSI");
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// Microsoft
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QList<JavaInstallPtr> MICROSOFTJDK64s = this->FindJavaFromRegistryKey(
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KEY_WOW64_64KEY, "SOFTWARE\\Microsoft\\JDK", "Path", "\\hotspot\\MSI");
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// Azul Zulu
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QList<JavaInstallPtr> ZULU64s = this->FindJavaFromRegistryKey(
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KEY_WOW64_64KEY, "SOFTWARE\\Azul Systems\\Zulu", "InstallationPath");
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QList<JavaInstallPtr> ZULU32s = this->FindJavaFromRegistryKey(
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KEY_WOW64_32KEY, "SOFTWARE\\Azul Systems\\Zulu", "InstallationPath");
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// BellSoft Liberica
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QList<JavaInstallPtr> LIBERICA64s = this->FindJavaFromRegistryKey(
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KEY_WOW64_64KEY, "SOFTWARE\\BellSoft\\Liberica", "InstallationPath");
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QList<JavaInstallPtr> LIBERICA32s = this->FindJavaFromRegistryKey(
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KEY_WOW64_32KEY, "SOFTWARE\\BellSoft\\Liberica", "InstallationPath");
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// List x64 before x86
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java_candidates.append(JRE64s);
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java_candidates.append(NEWJRE64s);
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java_candidates.append(ADOPTOPENJRE64s);
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java_candidates.append(ADOPTIUMJRE64s);
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java_candidates.append(MakeJavaPtr("C:/Program Files/Java/jre8/bin/javaw.exe"));
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java_candidates.append(MakeJavaPtr("C:/Program Files/Java/jre7/bin/javaw.exe"));
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java_candidates.append(MakeJavaPtr("C:/Program Files/Java/jre6/bin/javaw.exe"));
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java_candidates.append(JDK64s);
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java_candidates.append(NEWJDK64s);
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java_candidates.append(ADOPTOPENJDK64s);
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java_candidates.append(FOUNDATIONJDK64s);
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java_candidates.append(ADOPTIUMJDK64s);
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java_candidates.append(MICROSOFTJDK64s);
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java_candidates.append(ZULU64s);
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java_candidates.append(LIBERICA64s);
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java_candidates.append(JRE32s);
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java_candidates.append(NEWJRE32s);
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java_candidates.append(ADOPTOPENJRE32s);
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java_candidates.append(ADOPTIUMJRE32s);
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java_candidates.append(MakeJavaPtr("C:/Program Files (x86)/Java/jre8/bin/javaw.exe"));
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java_candidates.append(MakeJavaPtr("C:/Program Files (x86)/Java/jre7/bin/javaw.exe"));
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java_candidates.append(MakeJavaPtr("C:/Program Files (x86)/Java/jre6/bin/javaw.exe"));
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java_candidates.append(JDK32s);
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java_candidates.append(NEWJDK32s);
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java_candidates.append(ADOPTOPENJDK32s);
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java_candidates.append(FOUNDATIONJDK32s);
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java_candidates.append(ADOPTIUMJDK32s);
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java_candidates.append(ZULU32s);
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java_candidates.append(LIBERICA32s);
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java_candidates.append(MakeJavaPtr(this->GetDefaultJava()->path));
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QList<QString> candidates;
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for(JavaInstallPtr java_candidate : java_candidates)
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{
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if(!candidates.contains(java_candidate->path))
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{
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candidates.append(java_candidate->path);
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}
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}
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return addJavasFromEnv(candidates);
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}
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#elif defined(Q_OS_MAC)
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QList<QString> JavaUtils::FindJavaPaths()
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{
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QList<QString> javas;
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javas.append(this->GetDefaultJava()->path);
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javas.append("/Applications/Xcode.app/Contents/Applications/Application Loader.app/Contents/MacOS/itms/java/bin/java");
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javas.append("/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home/bin/java");
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javas.append("/System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/java");
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QDir libraryJVMDir("/Library/Java/JavaVirtualMachines/");
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QStringList libraryJVMJavas = libraryJVMDir.entryList(QDir::Dirs | QDir::NoDotAndDotDot);
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foreach (const QString &java, libraryJVMJavas) {
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javas.append(libraryJVMDir.absolutePath() + "/" + java + "/Contents/Home/bin/java");
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javas.append(libraryJVMDir.absolutePath() + "/" + java + "/Contents/Home/jre/bin/java");
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}
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QDir systemLibraryJVMDir("/System/Library/Java/JavaVirtualMachines/");
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QStringList systemLibraryJVMJavas = systemLibraryJVMDir.entryList(QDir::Dirs | QDir::NoDotAndDotDot);
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foreach (const QString &java, systemLibraryJVMJavas) {
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javas.append(systemLibraryJVMDir.absolutePath() + "/" + java + "/Contents/Home/bin/java");
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javas.append(systemLibraryJVMDir.absolutePath() + "/" + java + "/Contents/Commands/java");
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}
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return addJavasFromEnv(javas);
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}
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#elif defined(Q_OS_LINUX)
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QList<QString> JavaUtils::FindJavaPaths()
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{
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qDebug() << "Linux Java detection incomplete - defaulting to \"java\"";
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QList<QString> javas;
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javas.append(this->GetDefaultJava()->path);
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auto scanJavaDir = [&](const QString & dirPath)
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{
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QDir dir(dirPath);
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if(!dir.exists())
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return;
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auto entries = dir.entryInfoList(QDir::Dirs | QDir::NoDotAndDotDot | QDir::NoSymLinks);
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for(auto & entry: entries)
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{
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QString prefix;
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if(entry.isAbsolute())
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{
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prefix = entry.absoluteFilePath();
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}
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else
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{
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prefix = entry.filePath();
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}
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javas.append(FS::PathCombine(prefix, "jre/bin/java"));
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javas.append(FS::PathCombine(prefix, "bin/java"));
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}
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};
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// oracle RPMs
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scanJavaDir("/usr/java");
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// general locations used by distro packaging
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scanJavaDir("/usr/lib/jvm");
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scanJavaDir("/usr/lib64/jvm");
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scanJavaDir("/usr/lib32/jvm");
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// javas stored in PolyMC's folder
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scanJavaDir("java");
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// manually installed JDKs in /opt
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scanJavaDir("/opt/jdk");
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scanJavaDir("/opt/jdks");
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// flatpak
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scanJavaDir("/app/jdk");
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return addJavasFromEnv(javas);
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}
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#else
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QList<QString> JavaUtils::FindJavaPaths()
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{
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qDebug() << "Unknown operating system build - defaulting to \"java\"";
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QList<QString> javas;
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javas.append(this->GetDefaultJava()->path);
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return addJavasFromEnv(javas);
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}
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#endif
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