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-rw-r--r--launcher/java/JavaUtils.cpp155
1 files changed, 86 insertions, 69 deletions
diff --git a/launcher/java/JavaUtils.cpp b/launcher/java/JavaUtils.cpp
index 24a1556e..2b19fca0 100644
--- a/launcher/java/JavaUtils.cpp
+++ b/launcher/java/JavaUtils.cpp
@@ -1,16 +1,36 @@
-/* Copyright 2013-2021 MultiMC Contributors
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ * PolyMC - Minecraft Launcher
+ * Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
*
- * 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
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3.
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * This program 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 for more details.
*
- * 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.
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ *
+ * 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>
@@ -32,25 +52,24 @@ JavaUtils::JavaUtils()
{
}
-#if defined(Q_OS_LINUX) || defined(Q_OS_FREEBSD)
-static QString processLD_LIBRARY_PATH(const QString & LD_LIBRARY_PATH)
+QString stripVariableEntries(QString name, QString target, QString remove)
{
- 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);
+ char delimiter = ':';
+#ifdef Q_OS_WIN32
+ delimiter = ';';
+#endif
+
+ auto targetItems = target.split(delimiter);
+ auto toRemove = remove.split(delimiter);
+
+ for (QString item : toRemove) {
+ bool removed = targetItems.removeOne(item);
+ if (!removed)
+ qWarning() << "Entry" << item
+ << "could not be stripped from variable" << name;
}
- return final.join(':');
+ return targetItems.join(delimiter);
}
-#endif
QProcessEnvironment CleanEnviroment()
{
@@ -69,6 +88,16 @@ QProcessEnvironment CleanEnviroment()
"JAVA_OPTIONS",
"JAVA_TOOL_OPTIONS"
};
+
+ QStringList stripped =
+ {
+#if defined(Q_OS_LINUX) || defined(Q_OS_FREEBSD) || defined(Q_OS_OPENBSD)
+ "LD_LIBRARY_PATH",
+ "LD_PRELOAD",
+#endif
+ "QT_PLUGIN_PATH",
+ "QT_FONTPATH"
+ };
for(auto key: rawenv.keys())
{
auto value = rawenv.value(key);
@@ -78,19 +107,22 @@ QProcessEnvironment CleanEnviroment()
qDebug() << "Env: ignoring" << key << value;
continue;
}
- // filter PolyMC-related things
- if(key.startsWith("QT_"))
+
+ // These are used to strip the original variables
+ // If there is "LD_LIBRARY_PATH" and "LAUNCHER_LD_LIBRARY_PATH", we want to
+ // remove all values in "LAUNCHER_LD_LIBRARY_PATH" from "LD_LIBRARY_PATH"
+ if(key.startsWith("LAUNCHER_"))
{
qDebug() << "Env: ignoring" << key << value;
continue;
}
-#if defined(Q_OS_LINUX) || defined(Q_OS_FREEBSD)
- // Do not pass LD_* variables to java. They were intended for PolyMC
- if(key.startsWith("LD_"))
+ if(stripped.contains(key))
{
- qDebug() << "Env: ignoring" << key << value;
- continue;
+ QString newValue = stripVariableEntries(key, value, rawenv.value("LAUNCHER_" + key));
+
+ qDebug() << "Env: stripped" << key << value << "to" << newValue;
}
+#if defined(Q_OS_LINUX) || defined(Q_OS_FREEBSD) || defined(Q_OS_OPENBSD)
// Strip IBus
// IBus is a Linux IME framework. For some reason, it breaks MC?
if (key == "XMODIFIERS" && value.contains(IBUS))
@@ -99,22 +131,12 @@ QProcessEnvironment CleanEnviroment()
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
+ // HACK: Workaround for QTBUG-42500
if(!env.contains("LD_LIBRARY_PATH"))
{
env.insert("LD_LIBRARY_PATH", "");
@@ -177,25 +199,17 @@ QList<JavaInstallPtr> JavaUtils::FindJavaFromRegistryKey(DWORD keyType, QString
archType = "32";
HKEY jreKey;
- if (RegOpenKeyExA(HKEY_LOCAL_MACHINE, keyName.toStdString().c_str(), 0,
+ if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, keyName.toStdWString().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];
+ WCHAR subKeyName[255];
DWORD subKeyNameSize, numSubKeys, retCode;
// Get the number of subkeys
- RegQueryInfoKey(jreKey, NULL, NULL, NULL, &numSubKeys, NULL, NULL, NULL, NULL, NULL,
+ RegQueryInfoKeyW(jreKey, NULL, NULL, NULL, &numSubKeys, NULL, NULL, NULL, NULL, NULL,
NULL, NULL);
// Iterate until RegEnumKeyEx fails
@@ -204,34 +218,37 @@ QList<JavaInstallPtr> JavaUtils::FindJavaFromRegistryKey(DWORD keyType, QString
for (DWORD i = 0; i < numSubKeys; i++)
{
subKeyNameSize = 255;
- retCode = RegEnumKeyEx(jreKey, i, subKeyName, &subKeyNameSize, NULL, NULL, NULL,
- NULL);
+ retCode = RegEnumKeyExW(jreKey, i, subKeyName, &subKeyNameSize, NULL, NULL, NULL,
+ NULL);
+ QString newSubkeyName = QString::fromWCharArray(subKeyName);
if (retCode == ERROR_SUCCESS)
{
// Now open the registry key for the version that we just got.
- QString newKeyName = keyName + "\\" + subKeyName + subkeySuffix;
+ QString newKeyName = keyName + "\\" + newSubkeyName + subkeySuffix;
HKEY newKey;
- if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, newKeyName.toStdString().c_str(), 0,
- KEY_READ | KEY_WOW64_64KEY, &newKey) == ERROR_SUCCESS)
+ if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, newKeyName.toStdWString().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)
+ DWORD valueSz = 0;
+ if (RegQueryValueExW(newKey, keyJavaDir.toStdWString().c_str(), NULL, NULL, NULL,
+ &valueSz) == ERROR_SUCCESS)
{
- value = new char[valueSz];
- RegQueryValueEx(newKey, keyJavaDir.toStdString().c_str(), NULL, NULL, (BYTE *)value,
- &valueSz);
+ WCHAR *value = new WCHAR[valueSz];
+ RegQueryValueExW(newKey, keyJavaDir.toStdWString().c_str(), NULL, NULL, (BYTE *)value,
+ &valueSz);
+
+ QString newValue = QString::fromWCharArray(value);
+ delete [] value;
// Now, we construct the version object and add it to the list.
JavaInstallPtr javaVersion(new JavaInstall());
- javaVersion->id = subKeyName;
+ javaVersion->id = newSubkeyName;
javaVersion->arch = archType;
javaVersion->path =
- QDir(FS::PathCombine(value, "bin")).absoluteFilePath("javaw.exe");
+ QDir(FS::PathCombine(newValue, "bin")).absoluteFilePath("javaw.exe");
javas.append(javaVersion);
}
generated by cgit (git 2.46.0) at 2025-10-31 13:11:06 +0000