added generation of psk_key on api request

replaced QSingleApplication with QLocalServer

.github/workflows/deploy.yml

@@ -181,7 +181,7 @@ jobs:
     - name: 'Install go'
       uses: actions/setup-go@v5
       with:
-        go-version: '1.20'
+        go-version: '1.22.1'
         cache: false
 
     - name: 'Setup gomobile'

CMakeLists.txt

@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.25.0 FATAL_ERROR)
 
 set(PROJECT AmneziaVPN)
 
-project(${PROJECT} VERSION 4.8.0.5
+project(${PROJECT} VERSION 4.8.1.9
         DESCRIPTION "AmneziaVPN"
         HOMEPAGE_URL "https://amnezia.org/"
 )
@@ -11,7 +11,7 @@ string(TIMESTAMP CURRENT_DATE "%Y-%m-%d")
 set(RELEASE_DATE "${CURRENT_DATE}")
 
 set(APP_MAJOR_VERSION ${CMAKE_PROJECT_VERSION_MAJOR}.${CMAKE_PROJECT_VERSION_MINOR}.${CMAKE_PROJECT_VERSION_PATCH})
-set(APP_ANDROID_VERSION_CODE 61)
+set(APP_ANDROID_VERSION_CODE 65)
 
 if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
     set(MZ_PLATFORM_NAME "linux")

client/3rd/SingleApplication/singleapplication.cmake

@@ -1,25 +0,0 @@
-include_directories(${CMAKE_CURRENT_LIST_DIR})
-
-find_package(Qt6 REQUIRED COMPONENTS 
-    Core Network
-)
-set(LIBS ${LIBS} Qt6::Core Qt6::Network)
-
-
-set(HEADERS ${HEADERS}
-    ${CMAKE_CURRENT_LIST_DIR}/singleapplication.h 
-    ${CMAKE_CURRENT_LIST_DIR}/singleapplication_p.h
-)
-
-set(SOURCES ${SOURCES}
-    ${CMAKE_CURRENT_LIST_DIR}/singleapplication.cpp 
-    ${CMAKE_CURRENT_LIST_DIR}/singleapplication_p.cpp
-)
-
-if(WIN32)
-    if(MSVC)
-        set(LIBS ${LIBS} Advapi32.lib)
-    elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
-        set(LIBS ${LIBS} advapi32)
-    endif()    
-endif()

client/3rd/SingleApplication/singleapplication.cpp

@@ -1,274 +0,0 @@
-// The MIT License (MIT)
-//
-// Copyright (c) Itay Grudev 2015 - 2020
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-
-#include <QtCore/QElapsedTimer>
-#include <QtCore/QByteArray>
-#include <QtCore/QSharedMemory>
-
-#include "singleapplication.h"
-#include "singleapplication_p.h"
-
-/**
- * @brief Constructor. Checks and fires up LocalServer or closes the program
- * if another instance already exists
- * @param argc
- * @param argv
- * @param allowSecondary Whether to enable secondary instance support
- * @param options Optional flags to toggle specific behaviour
- * @param timeout Maximum time blocking functions are allowed during app load
- */
-SingleApplication::SingleApplication( int &argc, char *argv[], bool allowSecondary, Options options, int timeout, const QString &userData )
-    : app_t( argc, argv ), d_ptr( new SingleApplicationPrivate( this ) )
-{
-    Q_D( SingleApplication );
-
-#if defined(Q_OS_ANDROID) || defined(Q_OS_IOS)
-    // On Android and iOS since the library is not supported fallback to
-    // standard QApplication behaviour by simply returning at this point.
-    qWarning() << "SingleApplication is not supported on Android and iOS systems.";
-    return;
-#endif
-
-    // Store the current mode of the program
-    d->options = options;
-
-    // Add any unique user data
-    if ( ! userData.isEmpty() )
-        d->addAppData( userData );
-
-    // Generating an application ID used for identifying the shared memory
-    // block and QLocalServer
-    d->genBlockServerName();
-
-    // To mitigate QSharedMemory issues with large amount of processes
-    // attempting to attach at the same time
-    SingleApplicationPrivate::randomSleep();
-
-#ifdef Q_OS_UNIX
-    // By explicitly attaching it and then deleting it we make sure that the
-    // memory is deleted even after the process has crashed on Unix.
-    d->memory = new QSharedMemory( d->blockServerName );
-    d->memory->attach();
-    delete d->memory;
-#endif
-    // Guarantee thread safe behaviour with a shared memory block.
-    d->memory = new QSharedMemory( d->blockServerName );
-
-    // Create a shared memory block
-    if( d->memory->create( sizeof( InstancesInfo ) )){
-        // Initialize the shared memory block
-        if( ! d->memory->lock() ){
-          qCritical() << "SingleApplication: Unable to lock memory block after create.";
-          abortSafely();
-        }
-        d->initializeMemoryBlock();
-    } else {
-        if( d->memory->error() == QSharedMemory::AlreadyExists ){
-          // Attempt to attach to the memory segment
-          if( ! d->memory->attach() ){
-              qCritical() << "SingleApplication: Unable to attach to shared memory block.";
-              abortSafely();
-          }
-          if( ! d->memory->lock() ){
-            qCritical() << "SingleApplication: Unable to lock memory block after attach.";
-            abortSafely();
-          }
-        } else {
-          qCritical() << "SingleApplication: Unable to create block.";
-          abortSafely();
-        }
-    }
-
-    auto *inst = static_cast<InstancesInfo*>( d->memory->data() );
-    QElapsedTimer time;
-    time.start();
-
-    // Make sure the shared memory block is initialised and in consistent state
-    while( true ){
-      // If the shared memory block's checksum is valid continue
-      if( d->blockChecksum() == inst->checksum ) break;
-
-      // If more than 5s have elapsed, assume the primary instance crashed and
-      // assume it's position
-      if( time.elapsed() > 5000 ){
-          qWarning() << "SingleApplication: Shared memory block has been in an inconsistent state from more than 5s. Assuming primary instance failure.";
-          d->initializeMemoryBlock();
-      }
-
-      // Otherwise wait for a random period and try again. The random sleep here
-      // limits the probability of a collision between two racing apps and
-      // allows the app to initialise faster
-      if( ! d->memory->unlock() ){
-        qDebug() << "SingleApplication: Unable to unlock memory for random wait.";
-        qDebug() << d->memory->errorString();
-      }
-      SingleApplicationPrivate::randomSleep();
-      if( ! d->memory->lock() ){
-        qCritical() << "SingleApplication: Unable to lock memory after random wait.";
-        abortSafely();
-      }
-    }
-
-    if( inst->primary == false ){
-        d->startPrimary();
-        if( ! d->memory->unlock() ){
-          qDebug() << "SingleApplication: Unable to unlock memory after primary start.";
-          qDebug() << d->memory->errorString();
-        }
-        return;
-    }
-
-    // Check if another instance can be started
-    if( allowSecondary ){
-        d->startSecondary();
-        if( d->options & Mode::SecondaryNotification ){
-            d->connectToPrimary( timeout, SingleApplicationPrivate::SecondaryInstance );
-        }
-        if( ! d->memory->unlock() ){
-          qDebug() << "SingleApplication: Unable to unlock memory after secondary start.";
-          qDebug() << d->memory->errorString();
-        }
-        return;
-    }
-
-    if( ! d->memory->unlock() ){
-      qDebug() << "SingleApplication: Unable to unlock memory at end of execution.";
-      qDebug() << d->memory->errorString();
-    }
-
-    d->connectToPrimary( timeout, SingleApplicationPrivate::NewInstance );
-
-    delete d;
-
-    ::exit( EXIT_SUCCESS );
-}
-
-SingleApplication::~SingleApplication()
-{
-    Q_D( SingleApplication );
-    delete d;
-}
-
-/**
- * Checks if the current application instance is primary.
- * @return Returns true if the instance is primary, false otherwise.
- */
-bool SingleApplication::isPrimary() const
-{
-    Q_D( const SingleApplication );
-    return d->server != nullptr;
-}
-
-/**
- * Checks if the current application instance is secondary.
- * @return Returns true if the instance is secondary, false otherwise.
- */
-bool SingleApplication::isSecondary() const
-{
-    Q_D( const SingleApplication );
-    return d->server == nullptr;
-}
-
-/**
- * Allows you to identify an instance by returning unique consecutive instance
- * ids. It is reset when the first (primary) instance of your app starts and
- * only incremented afterwards.
- * @return Returns a unique instance id.
- */
-quint32 SingleApplication::instanceId() const
-{
-    Q_D( const SingleApplication );
-    return d->instanceNumber;
-}
-
-/**
- * Returns the OS PID (Process Identifier) of the process running the primary
- * instance. Especially useful when SingleApplication is coupled with OS.
- * specific APIs.
- * @return Returns the primary instance PID.
- */
-qint64 SingleApplication::primaryPid() const
-{
-    Q_D( const SingleApplication );
-    return d->primaryPid();
-}
-
-/**
- * Returns the username the primary instance is running as.
- * @return Returns the username the primary instance is running as.
- */
-QString SingleApplication::primaryUser() const
-{
-    Q_D( const SingleApplication );
-    return d->primaryUser();
-}
-
-/**
- * Returns the username the current instance is running as.
- * @return Returns the username the current instance is running as.
- */
-QString SingleApplication::currentUser() const
-{
-    return SingleApplicationPrivate::getUsername();
-}
-
-/**
- * Sends message to the Primary Instance.
- * @param message The message to send.
- * @param timeout the maximum timeout in milliseconds for blocking functions.
- * @return true if the message was sent successfuly, false otherwise.
- */
-bool SingleApplication::sendMessage( const QByteArray &message, int timeout )
-{
-    Q_D( SingleApplication );
-
-    // Nobody to connect to
-    if( isPrimary() ) return false;
-
-    // Make sure the socket is connected
-    if( ! d->connectToPrimary( timeout,  SingleApplicationPrivate::Reconnect ) )
-      return false;
-
-    d->socket->write( message );
-    bool dataWritten = d->socket->waitForBytesWritten( timeout );
-    d->socket->flush();
-    return dataWritten;
-}
-
-/**
- * Cleans up the shared memory block and exits with a failure.
- * This function halts program execution.
- */
-void SingleApplication::abortSafely()
-{
-    Q_D( SingleApplication );
-
-    qCritical() << "SingleApplication: " << d->memory->error() << d->memory->errorString();
-    delete d;
-    ::exit( EXIT_FAILURE );
-}
-
-QStringList SingleApplication::userData() const
-{
-    Q_D( const SingleApplication );
-    return d->appData();
-}

client/3rd/SingleApplication/singleapplication.h

@@ -1,154 +0,0 @@
-// The MIT License (MIT)
-//
-// Copyright (c) Itay Grudev 2015 - 2018
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-
-#ifndef SINGLE_APPLICATION_H
-#define SINGLE_APPLICATION_H
-
-#include <QtCore/QtGlobal>
-#include <QtNetwork/QLocalSocket>
-
-#ifndef QAPPLICATION_CLASS
-  #define QAPPLICATION_CLASS QApplication
-#endif
-
-#include QT_STRINGIFY(QAPPLICATION_CLASS)
-
-class SingleApplicationPrivate;
-
-/**
- * @brief The SingleApplication class handles multiple instances of the same
- * Application
- * @see QCoreApplication
- */
-class SingleApplication : public QAPPLICATION_CLASS
-{
-    Q_OBJECT
-
-    using app_t = QAPPLICATION_CLASS;
-
-public:
-    /**
-     * @brief Mode of operation of SingleApplication.
-     * Whether the block should be user-wide or system-wide and whether the
-     * primary instance should be notified when a secondary instance had been
-     * started.
-     * @note Operating system can restrict the shared memory blocks to the same
-     * user, in which case the User/System modes will have no effect and the
-     * block will be user wide.
-     * @enum
-     */
-    enum Mode {
-        User                    = 1 << 0,
-        System                  = 1 << 1,
-        SecondaryNotification   = 1 << 2,
-        ExcludeAppVersion       = 1 << 3,
-        ExcludeAppPath          = 1 << 4
-    };
-    Q_DECLARE_FLAGS(Options, Mode)
-
-    /**
-     * @brief Intitializes a SingleApplication instance with argc command line
-     * arguments in argv
-     * @arg {int &} argc - Number of arguments in argv
-     * @arg {const char *[]} argv - Supplied command line arguments
-     * @arg {bool} allowSecondary - Whether to start the instance as secondary
-     * if there is already a primary instance.
-     * @arg {Mode} mode - Whether for the SingleApplication block to be applied
-     * User wide or System wide.
-     * @arg {int} timeout - Timeout to wait in milliseconds.
-     * @note argc and argv may be changed as Qt removes arguments that it
-     * recognizes
-     * @note Mode::SecondaryNotification only works if set on both the primary
-     * instance and the secondary instance.
-     * @note The timeout is just a hint for the maximum time of blocking
-     * operations. It does not guarantee that the SingleApplication
-     * initialisation will be completed in given time, though is a good hint.
-     * Usually 4*timeout would be the worst case (fail) scenario.
-     * @see See the corresponding QAPPLICATION_CLASS constructor for reference
-     */
-    explicit SingleApplication( int &argc, char *argv[], bool allowSecondary = false, Options options = Mode::User, int timeout = 1000, const QString &userData = {} );
-    ~SingleApplication() override;
-
-    /**
-     * @brief Returns if the instance is the primary instance
-     * @returns {bool}
-     */
-    bool isPrimary() const;
-
-    /**
-     * @brief Returns if the instance is a secondary instance
-     * @returns {bool}
-     */
-    bool isSecondary() const;
-
-    /**
-     * @brief Returns a unique identifier for the current instance
-     * @returns {qint32}
-     */
-    quint32 instanceId() const;
-
-    /**
-     * @brief Returns the process ID (PID) of the primary instance
-     * @returns {qint64}
-     */
-    qint64 primaryPid() const;
-
-    /**
-     * @brief Returns the username of the user running the primary instance
-     * @returns {QString}
-     */
-    QString primaryUser() const;
-
-    /**
-     * @brief Returns the username of the current user
-     * @returns {QString}
-     */
-    QString currentUser() const;
-
-    /**
-     * @brief Sends a message to the primary instance. Returns true on success.
-     * @param {int} timeout - Timeout for connecting
-     * @returns {bool}
-     * @note sendMessage() will return false if invoked from the primary
-     * instance.
-     */
-    bool sendMessage( const QByteArray &message, int timeout = 100 );
-
-    /**
-     * @brief Get the set user data.
-     * @returns {QStringList}
-     */
-    QStringList userData() const;
-
-Q_SIGNALS:
-    void instanceStarted();
-    void receivedMessage( quint32 instanceId, QByteArray message );
-
-private:
-    SingleApplicationPrivate *d_ptr;
-    Q_DECLARE_PRIVATE(SingleApplication)
-    void abortSafely();
-};
-
-Q_DECLARE_OPERATORS_FOR_FLAGS(SingleApplication::Options)
-
-#endif // SINGLE_APPLICATION_H

client/3rd/SingleApplication/singleapplication.pri

@@ -1,15 +0,0 @@
-QT += core network
-CONFIG += c++11
-
-HEADERS +=  \
-    $$PWD/singleapplication.h \
-    $$PWD/singleapplication_p.h
-SOURCES += $$PWD/singleapplication.cpp \
-    $$PWD/singleapplication_p.cpp
-
-INCLUDEPATH += $$PWD
-
-win32 {
-    msvc:LIBS += Advapi32.lib
-    gcc:LIBS += -ladvapi32
-}

client/3rd/SingleApplication/singleapplication_p.cpp

@@ -1,486 +0,0 @@
-// The MIT License (MIT)
-//
-// Copyright (c) Itay Grudev 2015 - 2020
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-
-//
-//  W A R N I N G !!!
-//  -----------------
-//
-// This file is not part of the SingleApplication API. It is used purely as an
-// implementation detail. This header file may change from version to
-// version without notice, or may even be removed.
-//
-
-#include <cstdlib>
-#include <cstddef>
-
-#include <QtCore/QDir>
-#include <QtCore/QThread>
-#include <QtCore/QByteArray>
-#include <QtCore/QDataStream>
-#include <QtCore/QElapsedTimer>
-#include <QtCore/QCryptographicHash>
-#include <QtNetwork/QLocalServer>
-#include <QtNetwork/QLocalSocket>
-
-#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
-#include <QtCore/QRandomGenerator>
-#else
-#include <QtCore/QDateTime>
-#endif
-
-#include "singleapplication.h"
-#include "singleapplication_p.h"
-
-#ifdef Q_OS_UNIX
-    #include <unistd.h>
-    #include <sys/types.h>
-    #include <pwd.h>
-#endif
-
-#ifdef Q_OS_WIN
-    #ifndef NOMINMAX
-        #define NOMINMAX 1
-    #endif
-    #include <windows.h>
-    #include <lmcons.h>
-#endif
-
-SingleApplicationPrivate::SingleApplicationPrivate( SingleApplication *q_ptr )
-    : q_ptr( q_ptr )
-{
-    server = nullptr;
-    socket = nullptr;
-    memory = nullptr;
-    instanceNumber = 0;
-}
-
-SingleApplicationPrivate::~SingleApplicationPrivate()
-{
-    if( socket != nullptr ){
-        socket->close();
-        delete socket;
-    }
-
-    if( memory != nullptr ){
-        memory->lock();
-        auto *inst = static_cast<InstancesInfo*>(memory->data());
-        if( server != nullptr ){
-            server->close();
-            delete server;
-            inst->primary = false;
-            inst->primaryPid = -1;
-            inst->primaryUser[0] =  '\0';
-            inst->checksum = blockChecksum();
-        }
-        memory->unlock();
-
-        delete memory;
-    }
-}
-
-QString SingleApplicationPrivate::getUsername()
-{
-#ifdef Q_OS_WIN
-      wchar_t username[UNLEN + 1];
-      // Specifies size of the buffer on input
-      DWORD usernameLength = UNLEN + 1;
-      if( GetUserNameW( username, &usernameLength ) )
-          return QString::fromWCharArray( username );
-#if QT_VERSION < QT_VERSION_CHECK(5, 10, 0)
-      return QString::fromLocal8Bit( qgetenv( "USERNAME" ) );
-#else
-      return qEnvironmentVariable( "USERNAME" );
-#endif
-#endif
-#ifdef Q_OS_UNIX
-      QString username;
-      uid_t uid = geteuid();
-      struct passwd *pw = getpwuid( uid );
-      if( pw )
-          username = QString::fromLocal8Bit( pw->pw_name );
-      if ( username.isEmpty() ){
-#if QT_VERSION < QT_VERSION_CHECK(5, 10, 0)
-          username = QString::fromLocal8Bit( qgetenv( "USER" ) );
-#else
-          username = qEnvironmentVariable( "USER" );
-#endif
-      }
-      return username;
-#endif
-}
-
-void SingleApplicationPrivate::genBlockServerName()
-{
-    QCryptographicHash appData( QCryptographicHash::Sha256 );
-    appData.addData( "SingleApplication", 17 );
-    appData.addData( SingleApplication::app_t::applicationName().toUtf8() );
-    appData.addData( SingleApplication::app_t::organizationName().toUtf8() );
-    appData.addData( SingleApplication::app_t::organizationDomain().toUtf8() );
-
-    if ( ! appDataList.isEmpty() )
-        appData.addData( appDataList.join( "" ).toUtf8() );
-
-    if( ! (options & SingleApplication::Mode::ExcludeAppVersion) ){
-        appData.addData( SingleApplication::app_t::applicationVersion().toUtf8() );
-    }
-
-    if( ! (options & SingleApplication::Mode::ExcludeAppPath) ){
-#ifdef Q_OS_WIN
-        appData.addData( SingleApplication::app_t::applicationFilePath().toLower().toUtf8() );
-#else
-        appData.addData( SingleApplication::app_t::applicationFilePath().toUtf8() );
-#endif
-    }
-
-    // User level block requires a user specific data in the hash
-    if( options & SingleApplication::Mode::User ){
-        appData.addData( getUsername().toUtf8() );
-    }
-
-    // Replace the backslash in RFC 2045 Base64 [a-zA-Z0-9+/=] to comply with
-    // server naming requirements.
-    blockServerName = appData.result().toBase64().replace("/", "_");
-}
-
-void SingleApplicationPrivate::initializeMemoryBlock() const
-{
-    auto *inst = static_cast<InstancesInfo*>( memory->data() );
-    inst->primary = false;
-    inst->secondary = 0;
-    inst->primaryPid = -1;
-    inst->primaryUser[0] =  '\0';
-    inst->checksum = blockChecksum();
-}
-
-void SingleApplicationPrivate::startPrimary()
-{
-    // Reset the number of connections
-    auto *inst = static_cast <InstancesInfo*>( memory->data() );
-
-    inst->primary = true;
-    inst->primaryPid = QCoreApplication::applicationPid();
-    qstrncpy( inst->primaryUser, getUsername().toUtf8().data(), sizeof(inst->primaryUser) );
-    inst->checksum = blockChecksum();
-    instanceNumber = 0;
-    // Successful creation means that no main process exists
-    // So we start a QLocalServer to listen for connections
-    QLocalServer::removeServer( blockServerName );
-    server = new QLocalServer();
-
-    // Restrict access to the socket according to the
-    // SingleApplication::Mode::User flag on User level or no restrictions
-    if( options & SingleApplication::Mode::User ){
-        server->setSocketOptions( QLocalServer::UserAccessOption );
-    } else {
-        server->setSocketOptions( QLocalServer::WorldAccessOption );
-    }
-
-    server->listen( blockServerName );
-    QObject::connect(
-        server,
-        &QLocalServer::newConnection,
-        this,
-        &SingleApplicationPrivate::slotConnectionEstablished
-    );
-}
-
-void SingleApplicationPrivate::startSecondary()
-{
-  auto *inst = static_cast <InstancesInfo*>( memory->data() );
-
-  inst->secondary += 1;
-  inst->checksum = blockChecksum();
-  instanceNumber = inst->secondary;
-}
-
-bool SingleApplicationPrivate::connectToPrimary( int msecs, ConnectionType connectionType )
-{
-    QElapsedTimer time;
-    time.start();
-
-    // Connect to the Local Server of the Primary Instance if not already
-    // connected.
-    if( socket == nullptr ){
-        socket = new QLocalSocket();
-    }
-
-    if( socket->state() == QLocalSocket::ConnectedState ) return true;
-
-    if( socket->state() != QLocalSocket::ConnectedState ){
-
-        while( true ){
-            randomSleep();
-
-          if( socket->state() != QLocalSocket::ConnectingState )
-            socket->connectToServer( blockServerName );
-
-          if( socket->state() == QLocalSocket::ConnectingState ){
-              socket->waitForConnected( static_cast<int>(msecs - time.elapsed()) );
-          }
-
-          // If connected break out of the loop
-          if( socket->state() == QLocalSocket::ConnectedState ) break;
-
-          // If elapsed time since start is longer than the method timeout return
-          if( time.elapsed() >= msecs ) return false;
-        }
-    }
-
-    // Initialisation message according to the SingleApplication protocol
-    QByteArray initMsg;
-    QDataStream writeStream(&initMsg, QIODevice::WriteOnly);
-
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0))
-    writeStream.setVersion(QDataStream::Qt_5_6);
-#endif
-
-    writeStream << blockServerName.toLatin1();
-    writeStream << static_cast<quint8>(connectionType);
-    writeStream << instanceNumber;
-#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
-    quint16 checksum = qChecksum(QByteArray(initMsg, static_cast<quint32>(initMsg.length())));
-#else
-    quint16 checksum = qChecksum(initMsg.constData(), static_cast<quint32>(initMsg.length()));
-#endif
-    writeStream << checksum;
-
-    // The header indicates the message length that follows
-    QByteArray header;
-    QDataStream headerStream(&header, QIODevice::WriteOnly);
-
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0))
-    headerStream.setVersion(QDataStream::Qt_5_6);
-#endif
-    headerStream << static_cast <quint64>( initMsg.length() );
-
-    socket->write( header );
-    socket->write( initMsg );
-    bool result = socket->waitForBytesWritten( static_cast<int>(msecs - time.elapsed()) );
-    socket->flush();
-    return result;
-}
-
-quint16 SingleApplicationPrivate::blockChecksum() const
-{
-#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
-    quint16 checksum = qChecksum(QByteArray(static_cast<const char*>(memory->constData()), offsetof(InstancesInfo, checksum)));
-#else
-    quint16 checksum = qChecksum(static_cast<const char*>(memory->constData()), offsetof(InstancesInfo, checksum));
-#endif
-    return checksum;
-}
-
-qint64 SingleApplicationPrivate::primaryPid() const
-{
-    qint64 pid;
-
-    memory->lock();
-    auto *inst = static_cast<InstancesInfo*>( memory->data() );
-    pid = inst->primaryPid;
-    memory->unlock();
-
-    return pid;
-}
-
-QString SingleApplicationPrivate::primaryUser() const
-{
-    QByteArray username;
-
-    memory->lock();
-    auto *inst = static_cast<InstancesInfo*>( memory->data() );
-    username = inst->primaryUser;
-    memory->unlock();
-
-    return QString::fromUtf8( username );
-}
-
-/**
- * @brief Executed when a connection has been made to the LocalServer
- */
-void SingleApplicationPrivate::slotConnectionEstablished()
-{
-    QLocalSocket *nextConnSocket = server->nextPendingConnection();
-    connectionMap.insert(nextConnSocket, ConnectionInfo());
-
-    QObject::connect(nextConnSocket, &QLocalSocket::aboutToClose,
-        [nextConnSocket, this](){
-            auto &info = connectionMap[nextConnSocket];
-            Q_EMIT this->slotClientConnectionClosed( nextConnSocket, info.instanceId );
-        }
-    );
-
-    QObject::connect(nextConnSocket, &QLocalSocket::disconnected, nextConnSocket, &QLocalSocket::deleteLater);
-
-    QObject::connect(nextConnSocket, &QLocalSocket::destroyed,
-        [nextConnSocket, this](){
-            connectionMap.remove(nextConnSocket);
-        }
-    );
-
-    QObject::connect(nextConnSocket, &QLocalSocket::readyRead,
-        [nextConnSocket, this](){
-            auto &info = connectionMap[nextConnSocket];
-            switch(info.stage){
-            case StageHeader:
-                readInitMessageHeader(nextConnSocket);
-                break;
-            case StageBody:
-                readInitMessageBody(nextConnSocket);
-                break;
-            case StageConnected:
-                Q_EMIT this->slotDataAvailable( nextConnSocket, info.instanceId );
-                break;
-            default:
-                break;
-            };
-        }
-    );
-}
-
-void SingleApplicationPrivate::readInitMessageHeader( QLocalSocket *sock )
-{
-    if (!connectionMap.contains( sock )){
-        return;
-    }
-
-    if( sock->bytesAvailable() < ( qint64 )sizeof( quint64 ) ){
-        return;
-    }
-
-    QDataStream headerStream( sock );
-
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0))
-    headerStream.setVersion( QDataStream::Qt_5_6 );
-#endif
-
-    // Read the header to know the message length
-    quint64 msgLen = 0;
-    headerStream >> msgLen;
-    ConnectionInfo &info = connectionMap[sock];
-    info.stage = StageBody;
-    info.msgLen = msgLen;
-
-    if ( sock->bytesAvailable() >= (qint64) msgLen ){
-        readInitMessageBody( sock );
-    }
-}
-
-void SingleApplicationPrivate::readInitMessageBody( QLocalSocket *sock )
-{
-    Q_Q(SingleApplication);
-
-    if (!connectionMap.contains( sock )){
-        return;
-    }
-
-    ConnectionInfo &info = connectionMap[sock];
-    if( sock->bytesAvailable() < ( qint64 )info.msgLen ){
-        return;
-    }
-
-    // Read the message body
-    QByteArray msgBytes = sock->read(info.msgLen);
-    QDataStream readStream(msgBytes);
-
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0))
-    readStream.setVersion( QDataStream::Qt_5_6 );
-#endif
-
-    // server name
-    QByteArray latin1Name;
-    readStream >> latin1Name;
-
-    // connection type
-    ConnectionType connectionType = InvalidConnection;
-    quint8 connTypeVal = InvalidConnection;
-    readStream >> connTypeVal;
-    connectionType = static_cast <ConnectionType>( connTypeVal );
-
-    // instance id
-    quint32 instanceId = 0;
-    readStream >> instanceId;
-
-    // checksum
-    quint16 msgChecksum = 0;
-    readStream >> msgChecksum;
-
-#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
-    const quint16 actualChecksum = qChecksum(QByteArray(msgBytes, static_cast<quint32>(msgBytes.length() - sizeof(quint16))));
-#else
-    const quint16 actualChecksum = qChecksum(msgBytes.constData(), static_cast<quint32>(msgBytes.length() - sizeof(quint16)));
-#endif
-
-    bool isValid = readStream.status() == QDataStream::Ok &&
-                   QLatin1String(latin1Name) == blockServerName &&
-                   msgChecksum == actualChecksum;
-
-    if( !isValid ){
-        sock->close();
-        return;
-    }
-
-    info.instanceId = instanceId;
-    info.stage = StageConnected;
-
-    if( connectionType == NewInstance ||
-        ( connectionType == SecondaryInstance &&
-          options & SingleApplication::Mode::SecondaryNotification ) )
-    {
-        Q_EMIT q->instanceStarted();
-    }
-
-    if (sock->bytesAvailable() > 0){
-        Q_EMIT this->slotDataAvailable( sock, instanceId );
-    }
-}
-
-void SingleApplicationPrivate::slotDataAvailable( QLocalSocket *dataSocket, quint32 instanceId )
-{
-    Q_Q(SingleApplication);
-    Q_EMIT q->receivedMessage( instanceId, dataSocket->readAll() );
-}
-
-void SingleApplicationPrivate::slotClientConnectionClosed( QLocalSocket *closedSocket, quint32 instanceId )
-{
-    if( closedSocket->bytesAvailable() > 0 )
-        Q_EMIT slotDataAvailable( closedSocket, instanceId  );
-}
-
-void SingleApplicationPrivate::randomSleep()
-{
-#if QT_VERSION >= QT_VERSION_CHECK( 5, 10, 0 )
-    QThread::msleep( QRandomGenerator::global()->bounded( 8u, 18u ));
-#else
-    qsrand( QDateTime::currentMSecsSinceEpoch() % std::numeric_limits<uint>::max() );
-    QThread::msleep( 8 + static_cast <unsigned long>( static_cast <float>( qrand() ) / RAND_MAX * 10 ));
-#endif
-}
-
-void SingleApplicationPrivate::addAppData(const QString &data)
-{
-    appDataList.push_back(data);
-}
-
-QStringList SingleApplicationPrivate::appData() const
-{
-    return appDataList;
-}

client/3rd/SingleApplication/singleapplication_p.h

@@ -1,104 +0,0 @@
-// The MIT License (MIT)
-//
-// Copyright (c) Itay Grudev 2015 - 2020
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-
-//
-//  W A R N I N G !!!
-//  -----------------
-//
-// This file is not part of the SingleApplication API. It is used purely as an
-// implementation detail. This header file may change from version to
-// version without notice, or may even be removed.
-//
-
-#ifndef SINGLEAPPLICATION_P_H
-#define SINGLEAPPLICATION_P_H
-
-#include <QtCore/QSharedMemory>
-#include <QtNetwork/QLocalServer>
-#include <QtNetwork/QLocalSocket>
-#include "singleapplication.h"
-
-struct InstancesInfo {
-    bool primary;
-    quint32 secondary;
-    qint64 primaryPid;
-    char primaryUser[128];
-    quint16 checksum; // Must be the last field
-};
-
-struct ConnectionInfo {
-    qint64 msgLen = 0;
-    quint32 instanceId = 0;
-    quint8 stage = 0;
-};
-
-class SingleApplicationPrivate : public QObject {
-Q_OBJECT
-public:
-    enum ConnectionType : quint8 {
-        InvalidConnection = 0,
-        NewInstance = 1,
-        SecondaryInstance = 2,
-        Reconnect = 3
-    };
-    enum ConnectionStage : quint8 {
-        StageHeader = 0,
-        StageBody = 1,
-        StageConnected = 2,
-    };
-    Q_DECLARE_PUBLIC(SingleApplication)
-
-    SingleApplicationPrivate( SingleApplication *q_ptr );
-    ~SingleApplicationPrivate() override;
-
-    static QString getUsername();
-    void genBlockServerName();
-    void initializeMemoryBlock() const;
-    void startPrimary();
-    void startSecondary();
-    bool connectToPrimary( int msecs, ConnectionType connectionType );
-    quint16 blockChecksum() const;
-    qint64 primaryPid() const;
-    QString primaryUser() const;
-    void readInitMessageHeader(QLocalSocket *socket);
-    void readInitMessageBody(QLocalSocket *socket);
-    static void randomSleep();
-    void addAppData(const QString &data);
-    QStringList appData() const;
-
-    SingleApplication *q_ptr;
-    QSharedMemory *memory;
-    QLocalSocket *socket;
-    QLocalServer *server;
-    quint32 instanceNumber;
-    QString blockServerName;
-    SingleApplication::Options options;
-    QMap<QLocalSocket*, ConnectionInfo> connectionMap;
-    QStringList appDataList;
-
-public Q_SLOTS:
-    void slotConnectionEstablished();
-    void slotDataAvailable( QLocalSocket*, quint32 );
-    void slotClientConnectionClosed( QLocalSocket*, quint32 );
-};
-
-#endif // SINGLEAPPLICATION_P_H

client/CMakeLists.txt

@@ -61,6 +61,7 @@ qt_add_executable(${PROJECT} MANUAL_FINALIZATION)
 if(WIN32 OR (APPLE AND NOT IOS) OR (LINUX AND NOT ANDROID))
     qt_add_repc_replicas(${PROJECT} ${CMAKE_CURRENT_LIST_DIR}/../ipc/ipc_interface.rep)
     qt_add_repc_replicas(${PROJECT} ${CMAKE_CURRENT_LIST_DIR}/../ipc/ipc_process_interface.rep)
+    qt_add_repc_replicas(${PROJECT} ${CMAKE_CURRENT_LIST_DIR}/../ipc/ipc_process_tun2socks.rep)
 endif()
 
 qt6_add_resources(QRC ${QRC} ${CMAKE_CURRENT_LIST_DIR}/resources.qrc)

client/amnezia_application.cpp

@@ -10,6 +10,8 @@
 #include <QTextDocument>
 #include <QTimer>
 #include <QTranslator>
+#include <QLocalSocket>
+#include <QLocalServer>
 
 #include "logger.h"
 #include "ui/models/installedAppsModel.h"
@@ -28,12 +30,7 @@
     #include <AmneziaVPN-Swift.h>
 #endif
 
-#if defined(Q_OS_ANDROID) || defined(Q_OS_IOS)
 AmneziaApplication::AmneziaApplication(int &argc, char *argv[]) : AMNEZIA_BASE_CLASS(argc, argv)
-#else
-AmneziaApplication::AmneziaApplication(int &argc, char *argv[])
-    : QApplication(argc, argv)
-#endif
 {
     setQuitOnLastWindowClosed(false);
 
@@ -179,16 +176,6 @@ void AmneziaApplication::init()
     m_pageController->showOnStartup();
 #endif
 
-        // TODO - fix
-// #if !defined(Q_OS_ANDROID) && !defined(Q_OS_IOS)
-//     if (isPrimary()) {
-//         QObject::connect(this, &SingleApplication::instanceStarted, m_pageController.get(), [this]() {
-//             qDebug() << "Secondary instance started, showing this window instead";
-//             emit m_pageController->raiseMainWindow();
-//         });
-//     }
-// #endif
-
 // Android TextArea clipboard workaround
 // Text from TextArea always has "text/html" mime-type:
 // /qt/6.6.1/Src/qtdeclarative/src/quick/items/qquicktextcontrol.cpp:1865
@@ -293,6 +280,24 @@ bool AmneziaApplication::parseCommands()
     return true;
 }
 
+#if !defined(Q_OS_ANDROID) && !defined(Q_OS_IOS)
+void AmneziaApplication::startLocalServer() {
+    const QString serverName("AmneziaVPNInstance");
+    QLocalServer::removeServer(serverName);
+
+    QLocalServer* server = new QLocalServer(this);
+    server->listen(serverName);
+
+    QObject::connect(server, &QLocalServer::newConnection, this, [server, this]() {
+        if (server) {
+            QLocalSocket* clientConnection = server->nextPendingConnection();
+            clientConnection->deleteLater();
+        }
+        emit m_pageController->raiseMainWindow();
+    });
+}
+#endif
+
 QQmlApplicationEngine *AmneziaApplication::qmlEngine() const
 {
     return m_engine;

client/amnezia_application.h

@@ -54,18 +54,13 @@
     #define AMNEZIA_BASE_CLASS QGuiApplication
 #else
     #define AMNEZIA_BASE_CLASS QApplication
-    #define QAPPLICATION_CLASS QApplication
 #endif
 
 class AmneziaApplication : public AMNEZIA_BASE_CLASS
 {
     Q_OBJECT
 public:
-#if defined(Q_OS_ANDROID) || defined(Q_OS_IOS)
     AmneziaApplication(int &argc, char *argv[]);
-#else
-    AmneziaApplication(int &argc, char *argv[]);
-#endif
     virtual ~AmneziaApplication();
 
     void init();
@@ -75,6 +70,10 @@ public:
     void updateTranslator(const QLocale &locale);
     bool parseCommands();
 
+#if !defined(Q_OS_ANDROID) && !defined(Q_OS_IOS)
+    void startLocalServer();
+#endif
+
     QQmlApplicationEngine *qmlEngine() const;
     QNetworkAccessManager *manager() { return m_nam; }
 

client/android/awg/src/main/kotlin/Awg.kt

@@ -1,28 +1,21 @@
 package org.amnezia.vpn.protocol.awg
 
 import org.amnezia.vpn.protocol.wireguard.Wireguard
-import org.amnezia.vpn.util.optStringOrNull
+import org.amnezia.vpn.protocol.wireguard.WireguardConfig
 import org.json.JSONObject
 
 class Awg : Wireguard() {
 
     override val ifName: String = "awg0"
 
-    override fun parseConfig(config: JSONObject): AwgConfig {
+    override fun parseConfig(config: JSONObject): WireguardConfig {
         val configData = config.getJSONObject("awg_config_data")
-        return AwgConfig.build {
+        return WireguardConfig.build {
+            setUseProtocolExtension(true)
+            configExtensionParameters(configData)
             configWireguard(config, configData)
             configSplitTunneling(config)
             configAppSplitTunneling(config)
-            configData.optStringOrNull("Jc")?.let { setJc(it.toInt()) }
-            configData.optStringOrNull("Jmin")?.let { setJmin(it.toInt()) }
-            configData.optStringOrNull("Jmax")?.let { setJmax(it.toInt()) }
-            configData.optStringOrNull("S1")?.let { setS1(it.toInt()) }
-            configData.optStringOrNull("S2")?.let { setS2(it.toInt()) }
-            configData.optStringOrNull("H1")?.let { setH1(it.toLong()) }
-            configData.optStringOrNull("H2")?.let { setH2(it.toLong()) }
-            configData.optStringOrNull("H3")?.let { setH3(it.toLong()) }
-            configData.optStringOrNull("H4")?.let { setH4(it.toLong()) }
         }
     }
 }

client/android/awg/src/main/kotlin/AwgConfig.kt

@@ -1,108 +0,0 @@
-package org.amnezia.vpn.protocol.awg
-
-import org.amnezia.vpn.protocol.BadConfigException
-import org.amnezia.vpn.protocol.wireguard.WireguardConfig
-
-class AwgConfig private constructor(
-    wireguardConfigBuilder: WireguardConfig.Builder,
-    val jc: Int,
-    val jmin: Int,
-    val jmax: Int,
-    val s1: Int,
-    val s2: Int,
-    val h1: Long,
-    val h2: Long,
-    val h3: Long,
-    val h4: Long
-) : WireguardConfig(wireguardConfigBuilder) {
-
-    private constructor(builder: Builder) : this(
-        builder,
-        builder.jc,
-        builder.jmin,
-        builder.jmax,
-        builder.s1,
-        builder.s2,
-        builder.h1,
-        builder.h2,
-        builder.h3,
-        builder.h4
-    )
-
-    override fun appendDeviceLine(sb: StringBuilder) = with(sb) {
-        super.appendDeviceLine(this)
-        appendLine("jc=$jc")
-        appendLine("jmin=$jmin")
-        appendLine("jmax=$jmax")
-        appendLine("s1=$s1")
-        appendLine("s2=$s2")
-        appendLine("h1=$h1")
-        appendLine("h2=$h2")
-        appendLine("h3=$h3")
-        appendLine("h4=$h4")
-    }
-
-    class Builder : WireguardConfig.Builder() {
-
-        private var _jc: Int? = null
-        internal var jc: Int
-            get() = _jc ?: throw BadConfigException("AWG: parameter jc is undefined")
-            private set(value) { _jc = value }
-
-        private var _jmin: Int? = null
-        internal var jmin: Int
-            get() = _jmin ?: throw BadConfigException("AWG: parameter jmin is undefined")
-            private set(value) { _jmin = value }
-
-        private var _jmax: Int? = null
-        internal var jmax: Int
-            get() = _jmax ?: throw BadConfigException("AWG: parameter jmax is undefined")
-            private set(value) { _jmax = value }
-
-        private var _s1: Int? = null
-        internal var s1: Int
-            get() = _s1 ?: throw BadConfigException("AWG: parameter s1 is undefined")
-            private set(value) { _s1 = value }
-
-        private var _s2: Int? = null
-        internal var s2: Int
-            get() = _s2 ?: throw BadConfigException("AWG: parameter s2 is undefined")
-            private set(value) { _s2 = value }
-
-        private var _h1: Long? = null
-        internal var h1: Long
-            get() = _h1 ?: throw BadConfigException("AWG: parameter h1 is undefined")
-            private set(value) { _h1 = value }
-
-        private var _h2: Long? = null
-        internal var h2: Long
-            get() = _h2 ?: throw BadConfigException("AWG: parameter h2 is undefined")
-            private set(value) { _h2 = value }
-
-        private var _h3: Long? = null
-        internal var h3: Long
-            get() = _h3 ?: throw BadConfigException("AWG: parameter h3 is undefined")
-            private set(value) { _h3 = value }
-
-        private var _h4: Long? = null
-        internal var h4: Long
-            get() = _h4 ?: throw BadConfigException("AWG: parameter h4 is undefined")
-            private set(value) { _h4 = value }
-
-        fun setJc(jc: Int) = apply { this.jc = jc }
-        fun setJmin(jmin: Int) = apply { this.jmin = jmin }
-        fun setJmax(jmax: Int) = apply { this.jmax = jmax }
-        fun setS1(s1: Int) = apply { this.s1 = s1 }
-        fun setS2(s2: Int) = apply { this.s2 = s2 }
-        fun setH1(h1: Long) = apply { this.h1 = h1 }
-        fun setH2(h2: Long) = apply { this.h2 = h2 }
-        fun setH3(h3: Long) = apply { this.h3 = h3 }
-        fun setH4(h4: Long) = apply { this.h4 = h4 }
-
-        override fun build(): AwgConfig = configBuild().run { AwgConfig(this@Builder) }
-    }
-
-    companion object {
-        inline fun build(block: Builder.() -> Unit): AwgConfig = Builder().apply(block).build()
-    }
-}

client/android/cloak/src/main/kotlin/Cloak.kt

@@ -3,10 +3,16 @@ package org.amnezia.vpn.protocol.cloak
 import android.util.Base64
 import net.openvpn.ovpn3.ClientAPI_Config
 import org.amnezia.vpn.protocol.openvpn.OpenVpn
+import org.amnezia.vpn.util.LibraryLoader.loadSharedLibrary
 import org.json.JSONObject
 
 class Cloak : OpenVpn() {
 
+    override fun internalInit() {
+        super.internalInit()
+        if (!isInitialized) loadSharedLibrary(context, "ck-ovpn-plugin")
+    }
+
     override fun parseConfig(config: JSONObject): ClientAPI_Config {
         val openVpnConfig = ClientAPI_Config()
 

client/android/openvpn/src/main/kotlin/org/amnezia/vpn/protocol/openvpn/OpenVpn.kt

@@ -11,6 +11,7 @@ import org.amnezia.vpn.protocol.Protocol
 import org.amnezia.vpn.protocol.ProtocolState.DISCONNECTED
 import org.amnezia.vpn.protocol.Statistics
 import org.amnezia.vpn.protocol.VpnStartException
+import org.amnezia.vpn.util.LibraryLoader.loadSharedLibrary
 import org.amnezia.vpn.util.net.InetNetwork
 import org.amnezia.vpn.util.net.getLocalNetworks
 import org.amnezia.vpn.util.net.parseInetAddress
@@ -34,7 +35,10 @@ open class OpenVpn : Protocol() {
         }
 
     override fun internalInit() {
-        if (!isInitialized) loadSharedLibrary(context, "ovpn3")
+        if (!isInitialized) {
+            loadSharedLibrary(context, "ovpn3")
+            loadSharedLibrary(context, "ovpnutil")
+        }
         if (this::scope.isInitialized) {
             scope.cancel()
         }

client/android/protocolApi/src/main/kotlin/Exceptions.kt

@@ -2,7 +2,6 @@ package org.amnezia.vpn.protocol
 
 sealed class ProtocolException(message: String? = null, cause: Throwable? = null) : Exception(message, cause)
 
-class LoadLibraryException(message: String? = null, cause: Throwable? = null) : ProtocolException(message, cause)
 class BadConfigException(message: String? = null, cause: Throwable? = null) : ProtocolException(message, cause)
 
 class VpnStartException(message: String? = null, cause: Throwable? = null) : ProtocolException(message, cause)

client/android/protocolApi/src/main/kotlin/Protocol.kt

@@ -158,60 +158,6 @@ abstract class Protocol {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q)
             vpnBuilder.setMetered(false)
     }
-
-    companion object {
-        private fun extractLibrary(context: Context, libraryName: String, destination: File): Boolean {
-            Log.d(TAG, "Extracting library: $libraryName")
-            val apks = hashSetOf<String>()
-            context.applicationInfo.run {
-                sourceDir?.let { apks += it }
-                splitSourceDirs?.let { apks += it }
-            }
-            for (abi in Build.SUPPORTED_ABIS) {
-                for (apk in apks) {
-                    ZipFile(File(apk), ZipFile.OPEN_READ).use { zipFile ->
-                        val mappedName = System.mapLibraryName(libraryName)
-                        val libraryZipPath = listOf("lib", abi, mappedName).joinToString(File.separator)
-                        val zipEntry = zipFile.getEntry(libraryZipPath)
-                        zipEntry?.let {
-                            Log.d(TAG, "Extracting apk:/$libraryZipPath to ${destination.absolutePath}")
-                            FileOutputStream(destination).use { outStream ->
-                                zipFile.getInputStream(zipEntry).use { inStream ->
-                                    inStream.copyTo(outStream, 32 * 1024)
-                                    outStream.fd.sync()
-                                }
-                            }
-                        }
-                        return true
-                    }
-                }
-            }
-            return false
-        }
-
-        @SuppressLint("UnsafeDynamicallyLoadedCode")
-        fun loadSharedLibrary(context: Context, libraryName: String) {
-            Log.d(TAG, "Loading library: $libraryName")
-            try {
-                System.loadLibrary(libraryName)
-                return
-            } catch (_: UnsatisfiedLinkError) {
-                Log.d(TAG, "Failed to load library, try to extract it from apk")
-            }
-            var tempFile: File? = null
-            try {
-                tempFile = File.createTempFile("lib", ".so", context.codeCacheDir)
-                if (extractLibrary(context, libraryName, tempFile)) {
-                    System.load(tempFile.absolutePath)
-                    return
-                }
-            } catch (e: Exception) {
-                throw LoadLibraryException("Failed to load library apk: $libraryName", e)
-            } finally {
-                tempFile?.delete()
-            }
-        }
-    }
 }
 
 private fun VpnService.Builder.addAddress(addr: InetNetwork) = addAddress(addr.address, addr.mask)

client/android/res/values/libs.xml

@@ -3,7 +3,6 @@
     <!-- DO NOT EDIT THIS: This file is populated automatically by the deployment tool. -->
 
     <array name="bundled_libs">
-        <!-- %%INSERT_EXTRA_LIBS%% -->
     </array>
 
     <array name="qt_libs">

client/android/src/org/amnezia/vpn/AmneziaActivity.kt

@@ -43,6 +43,7 @@ import kotlinx.coroutines.withContext
 import org.amnezia.vpn.protocol.getStatistics
 import org.amnezia.vpn.protocol.getStatus
 import org.amnezia.vpn.qt.QtAndroidController
+import org.amnezia.vpn.util.LibraryLoader.loadSharedLibrary
 import org.amnezia.vpn.util.Log
 import org.amnezia.vpn.util.Prefs
 import org.json.JSONException
@@ -158,6 +159,7 @@ class AmneziaActivity : QtActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         Log.d(TAG, "Create Amnezia activity: $intent")
+        loadLibs()
         window.apply {
             addFlags(LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS)
             statusBarColor = getColor(R.color.black)
@@ -179,6 +181,17 @@ class AmneziaActivity : QtActivity() {
         runBlocking { vpnProto = proto.await() }
     }
 
+    private fun loadLibs() {
+        listOf(
+            "rsapss",
+            "crypto_3",
+            "ssl_3",
+            "ssh"
+        ).forEach {
+            loadSharedLibrary(this.applicationContext, it)
+        }
+    }
+
     private fun registerBroadcastReceivers() {
         notificationStateReceiver = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
             registerBroadcastReceiver(

client/android/src/org/amnezia/vpn/AmneziaVpnService.kt

@@ -22,6 +22,7 @@ import androidx.annotation.MainThread
 import androidx.core.app.ServiceCompat
 import androidx.core.content.ContextCompat
 import androidx.core.content.getSystemService
+import java.net.UnknownHostException
 import java.util.concurrent.ConcurrentHashMap
 import kotlin.LazyThreadSafetyMode.NONE
 import kotlinx.coroutines.CoroutineExceptionHandler
@@ -40,7 +41,6 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.runBlocking
 import kotlinx.coroutines.withTimeout
 import org.amnezia.vpn.protocol.BadConfigException
-import org.amnezia.vpn.protocol.LoadLibraryException
 import org.amnezia.vpn.protocol.ProtocolState.CONNECTED
 import org.amnezia.vpn.protocol.ProtocolState.CONNECTING
 import org.amnezia.vpn.protocol.ProtocolState.DISCONNECTED
@@ -50,6 +50,7 @@ import org.amnezia.vpn.protocol.ProtocolState.UNKNOWN
 import org.amnezia.vpn.protocol.VpnException
 import org.amnezia.vpn.protocol.VpnStartException
 import org.amnezia.vpn.protocol.putStatus
+import org.amnezia.vpn.util.LoadLibraryException
 import org.amnezia.vpn.util.Log
 import org.amnezia.vpn.util.Prefs
 import org.amnezia.vpn.util.net.NetworkState
@@ -127,6 +128,8 @@ open class AmneziaVpnService : VpnService() {
 
             is LoadLibraryException -> onError("${e.message}. Caused: ${e.cause?.message}")
 
+            is UnknownHostException -> onError("Unknown host")
+
             else -> throw e
         }
     }

client/android/utils/src/main/kotlin/LibraryLoader.kt

@@ -0,0 +1,66 @@
+package org.amnezia.vpn.util
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.os.Build
+import java.io.File
+import java.io.FileOutputStream
+import java.util.zip.ZipFile
+
+private const val TAG = "LibraryLoader"
+
+object LibraryLoader {
+    private fun extractLibrary(context: Context, libraryName: String, destination: File): Boolean {
+        Log.d(TAG, "Extracting library: $libraryName")
+        val apks = hashSetOf<String>()
+        context.applicationInfo.run {
+            sourceDir?.let { apks += it }
+            splitSourceDirs?.let { apks += it }
+        }
+        for (abi in Build.SUPPORTED_ABIS) {
+            for (apk in apks) {
+                ZipFile(File(apk), ZipFile.OPEN_READ).use { zipFile ->
+                    val mappedName = System.mapLibraryName(libraryName)
+                    val libraryZipPath = listOf("lib", abi, mappedName).joinToString(File.separator)
+                    val zipEntry = zipFile.getEntry(libraryZipPath)
+                    zipEntry?.let {
+                        Log.d(TAG, "Extracting apk:/$libraryZipPath to ${destination.absolutePath}")
+                        FileOutputStream(destination).use { outStream ->
+                            zipFile.getInputStream(zipEntry).use { inStream ->
+                                inStream.copyTo(outStream, 32 * 1024)
+                                outStream.fd.sync()
+                            }
+                        }
+                    }
+                    return true
+                }
+            }
+        }
+        return false
+    }
+
+    @SuppressLint("UnsafeDynamicallyLoadedCode")
+    fun loadSharedLibrary(context: Context, libraryName: String) {
+        Log.d(TAG, "Loading library: $libraryName")
+        try {
+            System.loadLibrary(libraryName)
+            return
+        } catch (_: UnsatisfiedLinkError) {
+            Log.d(TAG, "Failed to load library, try to extract it from apk")
+        }
+        var tempFile: File? = null
+        try {
+            tempFile = File.createTempFile("lib", ".so", context.codeCacheDir)
+            if (extractLibrary(context, libraryName, tempFile)) {
+                System.load(tempFile.absolutePath)
+                return
+            }
+        } catch (e: Exception) {
+            throw LoadLibraryException("Failed to load library apk: $libraryName", e)
+        } finally {
+            tempFile?.delete()
+        }
+    }
+}
+
+class LoadLibraryException(message: String? = null, cause: Throwable? = null) : Exception(message, cause)

client/android/wireguard/src/main/kotlin/org/amnezia/vpn/protocol/wireguard/Wireguard.kt

@@ -3,7 +3,6 @@ package org.amnezia.vpn.protocol.wireguard
 import android.net.VpnService.Builder
 import java.io.IOException
 import java.util.Locale
-import java.util.TreeMap
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.withContext
@@ -13,6 +12,7 @@ import org.amnezia.vpn.protocol.ProtocolState.CONNECTED
 import org.amnezia.vpn.protocol.ProtocolState.DISCONNECTED
 import org.amnezia.vpn.protocol.Statistics
 import org.amnezia.vpn.protocol.VpnStartException
+import org.amnezia.vpn.util.LibraryLoader.loadSharedLibrary
 import org.amnezia.vpn.util.Log
 import org.amnezia.vpn.util.asSequence
 import org.amnezia.vpn.util.net.InetEndpoint
@@ -129,12 +129,29 @@ open class Wireguard : Protocol() {
         val port = configData.getInt("port")
         setEndpoint(InetEndpoint(host, port))
 
+        if (configData.optBoolean("isObfuscationEnabled")) {
+            setUseProtocolExtension(true)
+            configExtensionParameters(configData)
+        }
+
         configData.optStringOrNull("persistent_keep_alive")?.let { setPersistentKeepalive(it.toInt()) }
         configData.getString("client_priv_key").let { setPrivateKeyHex(it.base64ToHex()) }
         configData.getString("server_pub_key").let { setPublicKeyHex(it.base64ToHex()) }
         configData.optStringOrNull("psk_key")?.let { setPreSharedKeyHex(it.base64ToHex()) }
     }
 
+    protected fun WireguardConfig.Builder.configExtensionParameters(configData: JSONObject) {
+        configData.optStringOrNull("Jc")?.let { setJc(it.toInt()) }
+        configData.optStringOrNull("Jmin")?.let { setJmin(it.toInt()) }
+        configData.optStringOrNull("Jmax")?.let { setJmax(it.toInt()) }
+        configData.optStringOrNull("S1")?.let { setS1(it.toInt()) }
+        configData.optStringOrNull("S2")?.let { setS2(it.toInt()) }
+        configData.optStringOrNull("H1")?.let { setH1(it.toLong()) }
+        configData.optStringOrNull("H2")?.let { setH2(it.toLong()) }
+        configData.optStringOrNull("H3")?.let { setH3(it.toLong()) }
+        configData.optStringOrNull("H4")?.let { setH4(it.toLong()) }
+    }
+
     private fun start(config: WireguardConfig, vpnBuilder: Builder, protect: (Int) -> Boolean) {
         if (tunnelHandle != -1) {
             Log.w(TAG, "Tunnel already up")

client/android/wireguard/src/main/kotlin/org/amnezia/vpn/protocol/wireguard/WireguardConfig.kt

@@ -1,6 +1,7 @@
 package org.amnezia.vpn.protocol.wireguard
 
 import android.util.Base64
+import org.amnezia.vpn.protocol.BadConfigException
 import org.amnezia.vpn.protocol.ProtocolConfig
 import org.amnezia.vpn.util.net.InetEndpoint
 
@@ -12,7 +13,17 @@ open class WireguardConfig protected constructor(
     val persistentKeepalive: Int,
     val publicKeyHex: String,
     val preSharedKeyHex: String?,
-    val privateKeyHex: String
+    val privateKeyHex: String,
+    val useProtocolExtension: Boolean,
+    val jc: Int?,
+    val jmin: Int?,
+    val jmax: Int?,
+    val s1: Int?,
+    val s2: Int?,
+    val h1: Long?,
+    val h2: Long?,
+    val h3: Long?,
+    val h4: Long?
 ) : ProtocolConfig(protocolConfigBuilder) {
 
     protected constructor(builder: Builder) : this(
@@ -21,7 +32,17 @@ open class WireguardConfig protected constructor(
         builder.persistentKeepalive,
         builder.publicKeyHex,
         builder.preSharedKeyHex,
-        builder.privateKeyHex
+        builder.privateKeyHex,
+        builder.useProtocolExtension,
+        builder.jc,
+        builder.jmin,
+        builder.jmax,
+        builder.s1,
+        builder.s2,
+        builder.h1,
+        builder.h2,
+        builder.h3,
+        builder.h4
     )
 
     fun toWgUserspaceString(): String = with(StringBuilder()) {
@@ -33,6 +54,30 @@ open class WireguardConfig protected constructor(
 
     open fun appendDeviceLine(sb: StringBuilder) = with(sb) {
         appendLine("private_key=$privateKeyHex")
+        if (useProtocolExtension) {
+            validateProtocolExtensionParameters()
+            appendLine("jc=$jc")
+            appendLine("jmin=$jmin")
+            appendLine("jmax=$jmax")
+            appendLine("s1=$s1")
+            appendLine("s2=$s2")
+            appendLine("h1=$h1")
+            appendLine("h2=$h2")
+            appendLine("h3=$h3")
+            appendLine("h4=$h4")
+        }
+    }
+
+    private fun validateProtocolExtensionParameters() {
+        if (jc == null) throw BadConfigException("Parameter jc is undefined")
+        if (jmin == null) throw BadConfigException("Parameter jmin is undefined")
+        if (jmax == null) throw BadConfigException("Parameter jmax is undefined")
+        if (s1 == null) throw BadConfigException("Parameter s1 is undefined")
+        if (s2 == null) throw BadConfigException("Parameter s2 is undefined")
+        if (h1 == null) throw BadConfigException("Parameter h1 is undefined")
+        if (h2 == null) throw BadConfigException("Parameter h2 is undefined")
+        if (h3 == null) throw BadConfigException("Parameter h3 is undefined")
+        if (h4 == null) throw BadConfigException("Parameter h4 is undefined")
     }
 
     open fun appendPeerLine(sb: StringBuilder) = with(sb) {
@@ -65,6 +110,18 @@ open class WireguardConfig protected constructor(
 
         override var mtu: Int = WIREGUARD_DEFAULT_MTU
 
+        internal var useProtocolExtension: Boolean = false
+
+        internal var jc: Int? = null
+        internal var jmin: Int? = null
+        internal var jmax: Int? = null
+        internal var s1: Int? = null
+        internal var s2: Int? = null
+        internal var h1: Long? = null
+        internal var h2: Long? = null
+        internal var h3: Long? = null
+        internal var h4: Long? = null
+
         fun setEndpoint(endpoint: InetEndpoint) = apply { this.endpoint = endpoint }
 
         fun setPersistentKeepalive(persistentKeepalive: Int) = apply { this.persistentKeepalive = persistentKeepalive }
@@ -75,6 +132,18 @@ open class WireguardConfig protected constructor(
 
         fun setPrivateKeyHex(privateKeyHex: String) = apply { this.privateKeyHex = privateKeyHex }
 
+        fun setUseProtocolExtension(useProtocolExtension: Boolean) = apply { this.useProtocolExtension = useProtocolExtension }
+
+        fun setJc(jc: Int) = apply { this.jc = jc }
+        fun setJmin(jmin: Int) = apply { this.jmin = jmin }
+        fun setJmax(jmax: Int) = apply { this.jmax = jmax }
+        fun setS1(s1: Int) = apply { this.s1 = s1 }
+        fun setS2(s2: Int) = apply { this.s2 = s2 }
+        fun setH1(h1: Long) = apply { this.h1 = h1 }
+        fun setH2(h2: Long) = apply { this.h2 = h2 }
+        fun setH3(h3: Long) = apply { this.h3 = h3 }
+        fun setH4(h4: Long) = apply { this.h4 = h4 }
+
         override fun build(): WireguardConfig = configBuild().run { WireguardConfig(this@Builder) }
     }
 

client/cmake/3rdparty.cmake

@@ -2,10 +2,6 @@ set(CLIENT_ROOT_DIR ${CMAKE_CURRENT_LIST_DIR}/..)
 
 set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/Modules;${CMAKE_MODULE_PATH}")
 
-if(NOT IOS AND NOT ANDROID)
-   include(${CLIENT_ROOT_DIR}/3rd/SingleApplication/singleapplication.cmake)
-endif()
-
 add_subdirectory(${CLIENT_ROOT_DIR}/3rd/SortFilterProxyModel)
 set(LIBS ${LIBS} SortFilterProxyModel)
 include(${CLIENT_ROOT_DIR}/cmake/QSimpleCrypto.cmake)

client/configurators/wireguard_configurator.cpp

@@ -199,7 +199,7 @@ QString WireguardConfigurator::createConfig(const ServerCredentials &credentials
     jConfig[config_key::server_pub_key] = connData.serverPubKey;
     jConfig[config_key::mtu] = wireguarConfig.value(config_key::mtu).toString(protocols::wireguard::defaultMtu);
 
-    jConfig[config_key::persistent_keep_alive] = 25;
+    jConfig[config_key::persistent_keep_alive] = "25";
     QJsonArray allowedIps { "0.0.0.0/0", "::/0" };
     jConfig[config_key::allowed_ips] = allowedIps;
 

client/core/controllers/apiController.cpp

@@ -24,6 +24,7 @@ namespace
         constexpr char accessToken[] = "api_key";
         constexpr char certificate[] = "certificate";
         constexpr char publicKey[] = "public_key";
+        constexpr char pskKey[] = "preshared_key";
         constexpr char protocol[] = "protocol";
 
         constexpr char uuid[] = "installation_uuid";
@@ -193,6 +194,12 @@ ApiController::ApiPayloadData ApiController::generateApiPayloadData(const QStrin
         auto connData = WireguardConfigurator::genClientKeys();
         apiPayload.wireGuardClientPubKey = connData.clientPubKey;
         apiPayload.wireGuardClientPrivKey = connData.clientPrivKey;
+        QSimpleCrypto::QBlockCipher blockCipher;
+        apiPayload.wireGuardPskKey = blockCipher.generatePrivateSalt(32);
+
+        qDebug() << apiPayload.wireGuardClientPubKey;
+        qDebug() << apiPayload.wireGuardPskKey;
+
     }
     return apiPayload;
 }
@@ -204,6 +211,7 @@ QJsonObject ApiController::fillApiPayload(const QString &protocol, const ApiCont
         obj[configKey::certificate] = apiPayloadData.certRequest.request;
     } else if (protocol == configKey::awg) {
         obj[configKey::publicKey] = apiPayloadData.wireGuardClientPubKey;
+        obj[configKey::pskKey] = apiPayloadData.wireGuardPskKey;
     }
 
     obj[configKey::osVersion] = QSysInfo::productType();
@@ -357,9 +365,9 @@ ErrorCode ApiController::getConfigForService(const QString &installationUuid, co
 
         EVP_PKEY *publicKey = nullptr;
         try {
-            QByteArray key = m_isDevEnvironment ? DEV_AGW_PUBLIC_KEY : PROD_AGW_PUBLIC_KEY;
+            QByteArray rsaKey = m_isDevEnvironment ? DEV_AGW_PUBLIC_KEY : PROD_AGW_PUBLIC_KEY;
             QSimpleCrypto::QRsa rsa;
-            publicKey = rsa.getPublicKeyFromByteArray(key);
+            publicKey = rsa.getPublicKeyFromByteArray(rsaKey);
         } catch (...) {
             qCritical() << "error loading public key from environment variables";
             return ErrorCode::ApiMissingAgwPublicKey;

client/core/controllers/apiController.h

@@ -34,6 +34,7 @@ private:
 
         QString wireGuardClientPrivKey;
         QString wireGuardClientPubKey;
+        QString wireGuardPskKey;
     };
 
     ApiPayloadData generateApiPayloadData(const QString &protocol);

client/core/ipcclient.cpp

@@ -29,6 +29,12 @@ QSharedPointer<IpcInterfaceReplica> IpcClient::Interface()
     return Instance()->m_ipcClient;
 }
 
+QSharedPointer<IpcProcessTun2SocksReplica> IpcClient::InterfaceTun2Socks()
+{
+    if (!Instance()) return nullptr;
+    return Instance()->m_Tun2SocksClient;
+}
+
 bool IpcClient::init(IpcClient *instance)
 {
     m_instance = instance;
@@ -44,6 +50,12 @@ bool IpcClient::init(IpcClient *instance)
             qWarning() << "IpcClient replica is not connected!";
         }
 
+        Instance()->m_Tun2SocksClient.reset(Instance()->m_ClientNode.acquire<IpcProcessTun2SocksReplica>());
+        Instance()->m_Tun2SocksClient->waitForSource(1000);
+
+        if (!Instance()->m_Tun2SocksClient->isReplicaValid()) {
+            qWarning() << "IpcClient::m_Tun2SocksClient replica is not connected!";
+        }
     });
 
     connect(Instance()->m_localSocket, &QLocalSocket::disconnected, [instance](){
@@ -51,16 +63,16 @@ bool IpcClient::init(IpcClient *instance)
     });
 
     Instance()->m_localSocket->connectToServer(amnezia::getIpcServiceUrl());
-
     Instance()->m_localSocket->waitForConnected();
 
     if (!Instance()->m_ipcClient) {
         qDebug() << "IpcClient::init failed";
         return false;
     }
+
     qDebug() << "IpcClient::init succeed";
 
-    return Instance()->m_ipcClient->isReplicaValid();
+    return (Instance()->m_ipcClient->isReplicaValid() && Instance()->m_Tun2SocksClient->isReplicaValid());
 }
 
 QSharedPointer<PrivilegedProcess> IpcClient::CreatePrivilegedProcess()

client/core/ipcclient.h

@@ -6,6 +6,7 @@
 
 #include "ipc.h"
 #include "rep_ipc_interface_replica.h"
+#include "rep_ipc_process_tun2socks_replica.h"
 
 #include "privileged_process.h"
 
@@ -18,6 +19,7 @@ public:
    static IpcClient *Instance();
    static bool init(IpcClient *instance);
    static QSharedPointer<IpcInterfaceReplica> Interface();
+   static QSharedPointer<IpcProcessTun2SocksReplica> InterfaceTun2Socks();
    static QSharedPointer<PrivilegedProcess> CreatePrivilegedProcess();
 
    bool isSocketConnected() const;
@@ -28,8 +30,11 @@ private:
     ~IpcClient() override;
 
     QRemoteObjectNode m_ClientNode;
+    QRemoteObjectNode m_Tun2SocksNode;
     QSharedPointer<IpcInterfaceReplica> m_ipcClient;
     QPointer<QLocalSocket> m_localSocket;
+    QPointer<QLocalSocket> m_tun2socksSocket;
+    QSharedPointer<IpcProcessTun2SocksReplica> m_Tun2SocksClient;
 
     struct ProcessDescriptor {
         ProcessDescriptor () {

client/main.cpp

@@ -15,13 +15,24 @@
     #include "platforms/ios/QtAppDelegate-C-Interface.h"
 #endif
 
+#if !defined(Q_OS_ANDROID) && !defined(Q_OS_IOS)
+bool isAnotherInstanceRunning()
+{
+    QLocalSocket socket;
+    socket.connectToServer("AmneziaVPNInstance");
+    if (socket.waitForConnected(500)) {
+        qWarning() << "AmneziaVPN is already running";
+        return true;
+    }
+    return false;
+}
+#endif
+
 int main(int argc, char *argv[])
 {
     Migrations migrationsManager;
     migrationsManager.doMigrations();
 
-    QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling, true);
-
 #ifdef Q_OS_WIN
     AllowSetForegroundWindow(ASFW_ANY);
 #endif
@@ -32,15 +43,14 @@ int main(int argc, char *argv[])
     qputenv("ANDROID_OPENSSL_SUFFIX", "_3");
 #endif
 
-#if defined(Q_OS_ANDROID) || defined(Q_OS_IOS)
-    AmneziaApplication app(argc, argv);
-#else
     AmneziaApplication app(argc, argv);
 
-    // if (!app.isPrimary()) {
-    //     QTimer::singleShot(1000, &app, [&]() { app.quit(); });
-    //     return app.exec();
-    // }
+#if !defined(Q_OS_ANDROID) && !defined(Q_OS_IOS)
+    if (isAnotherInstanceRunning()) {
+        QTimer::singleShot(1000, &app, [&]() { app.quit(); });
+        return app.exec();
+    }
+    app.startLocalServer();
 #endif
 
 // Allow to raise app window if secondary instance launched

client/platforms/ios/WGConfig.swift

@@ -15,7 +15,7 @@ struct WGConfig: Decodable {
   let serverPublicKey: String
   let presharedKey: String?
   var allowedIPs: [String]
-  var persistentKeepAlive: Int
+  var persistentKeepAlive: String
   let splitTunnelType: Int
   let splitTunnelSites: [String]
 

client/platforms/ios/ios_controller.mm

@@ -499,6 +499,20 @@ bool IosController::setupWireGuard()
         wgConfig.insert(config_key::persistent_keep_alive, "25");
     }
 
+    if (config.contains(config_key::isObfuscationEnabled) && config.value(config_key::isObfuscationEnabled).toBool()) {
+        wgConfig.insert(config_key::initPacketMagicHeader, config[config_key::initPacketMagicHeader]);
+        wgConfig.insert(config_key::responsePacketMagicHeader, config[config_key::responsePacketMagicHeader]);
+        wgConfig.insert(config_key::underloadPacketMagicHeader, config[config_key::underloadPacketMagicHeader]);
+        wgConfig.insert(config_key::transportPacketMagicHeader, config[config_key::transportPacketMagicHeader]);
+
+        wgConfig.insert(config_key::initPacketJunkSize, config[config_key::initPacketJunkSize]);
+        wgConfig.insert(config_key::responsePacketJunkSize, config[config_key::responsePacketJunkSize]);
+
+        wgConfig.insert(config_key::junkPacketCount, config[config_key::junkPacketCount]);
+        wgConfig.insert(config_key::junkPacketMinSize, config[config_key::junkPacketMinSize]);
+        wgConfig.insert(config_key::junkPacketMaxSize, config[config_key::junkPacketMaxSize]);
+    }
+
     QJsonDocument wgConfigDoc(wgConfig);
     QString wgConfigDocStr(wgConfigDoc.toJson(QJsonDocument::Compact));
 

client/protocols/openvpnprotocol.cpp

@@ -6,6 +6,7 @@
 #include <QTcpSocket>
 #include <QNetworkInterface>
 
+#include "core/networkUtilities.h"
 #include "logger.h"
 #include "openvpnprotocol.h"
 #include "utilities.h"
@@ -127,7 +128,6 @@ void OpenVpnProtocol::sendManagementCommand(const QString &command)
 
 uint OpenVpnProtocol::selectMgmtPort()
 {
-
     for (int i = 0; i < 100; ++i) {
         quint32 port = QRandomGenerator::global()->generate();
         port = (double)(65000 - 15001) * port / UINT32_MAX + 15001;
@@ -137,7 +137,6 @@ uint OpenVpnProtocol::selectMgmtPort()
         if (ok)
             return port;
     }
-
     return m_managementPort;
 }
 
@@ -343,7 +342,8 @@ void OpenVpnProtocol::updateVpnGateway(const QString &line)
                             }
                             m_configData.insert("vpnAdapterIndex", netInterfaces.at(i).index());
                             m_configData.insert("vpnGateway", m_vpnGateway);
-                            m_configData.insert("vpnServer", m_configData.value(amnezia::config_key::hostName).toString());
+                            m_configData.insert("vpnServer",
+                                                NetworkUtilities::getIPAddress(m_configData.value(amnezia::config_key::hostName).toString()));
                             IpcClient::Interface()->enablePeerTraffic(m_configData);
                         }
                     }
@@ -352,6 +352,8 @@ void OpenVpnProtocol::updateVpnGateway(const QString &line)
 #if defined(Q_OS_LINUX) || defined(Q_OS_MACOS)
                 // killSwitch toggle
                 if (QVariant(m_configData.value(config_key::killSwitchOption).toString()).toBool()) {
+                    m_configData.insert("vpnServer",
+                                        NetworkUtilities::getIPAddress(m_configData.value(amnezia::config_key::hostName).toString()));
                     IpcClient::Interface()->enableKillSwitch(m_configData, 0);
                 }
 #endif

client/protocols/protocols_defs.h

@@ -65,6 +65,7 @@ namespace amnezia
         constexpr char last_config[] = "last_config";
 
         constexpr char isThirdPartyConfig[] = "isThirdPartyConfig";
+        constexpr char isObfuscationEnabled[] = "isObfuscationEnabled";
 
         constexpr char junkPacketCount[] = "Jc";
         constexpr char junkPacketMinSize[] = "Jmin";

client/protocols/xrayprotocol.cpp

@@ -17,6 +17,7 @@ XrayProtocol::XrayProtocol(const QJsonObject &configuration, QObject *parent):
     m_routeGateway = NetworkUtilities::getGatewayAndIface();
     m_vpnGateway = amnezia::protocols::xray::defaultLocalAddr;
     m_vpnLocalAddress = amnezia::protocols::xray::defaultLocalAddr;
+    m_t2sProcess = IpcClient::InterfaceTun2Socks();
 }
 
 XrayProtocol::~XrayProtocol()
@@ -65,7 +66,7 @@ ErrorCode XrayProtocol::start()
     });
 
     connect(&m_xrayProcess, QOverload<int, QProcess::ExitStatus>::of(&QProcess::finished), this, [this](int exitCode, QProcess::ExitStatus exitStatus) {
-        qDebug().noquote() << "XrayProtocol finished, exitCode, exiStatus" << exitCode << exitStatus;
+        qDebug().noquote() << "XrayProtocol finished, exitCode, exitStatus" << exitCode << exitStatus;
         setConnectionState(Vpn::ConnectionState::Disconnected);
         if (exitStatus != QProcess::NormalExit) {
             emit protocolError(amnezia::ErrorCode::XrayExecutableCrashed);
@@ -91,116 +92,80 @@ ErrorCode XrayProtocol::start()
 
 ErrorCode XrayProtocol::startTun2Sock()
 {
-    if (!QFileInfo::exists(Utils::tun2socksPath())) {
-        setLastError(ErrorCode::Tun2SockExecutableMissing);
-        return lastError();
-    }
-
-    m_t2sProcess = IpcClient::CreatePrivilegedProcess();
-
-    if (!m_t2sProcess) {
-        setLastError(ErrorCode::AmneziaServiceConnectionFailed);
-        return ErrorCode::AmneziaServiceConnectionFailed;
-    }
-
-    m_t2sProcess->waitForSource(1000);
-    if (!m_t2sProcess->isInitialized()) {
-        qWarning() << "IpcProcess replica is not connected!";
-        setLastError(ErrorCode::AmneziaServiceConnectionFailed);
-        return ErrorCode::AmneziaServiceConnectionFailed;
-    }
-
-    QString XrayConStr = "socks5://127.0.0.1:" + QString::number(m_localPort);
-
-    m_t2sProcess->setProgram(PermittedProcess::Tun2Socks);
-#ifdef Q_OS_WIN
-    m_configData.insert("inetAdapterIndex", NetworkUtilities::AdapterIndexTo(QHostAddress(m_remoteAddress)));
-    QStringList arguments({"-device", "tun://tun2", "-proxy", XrayConStr, "-tun-post-up",
-                           QString("cmd /c netsh interface ip set address name=\"tun2\" static %1 255.255.255.255").arg(amnezia::protocols::xray::defaultLocalAddr)});
-#endif
-#ifdef Q_OS_LINUX
-    QStringList arguments({"-device", "tun://tun2", "-proxy", XrayConStr});
-#endif
-#ifdef Q_OS_MAC
-    QStringList arguments({"-device", "utun22", "-proxy", XrayConStr});
-#endif
-    m_t2sProcess->setArguments(arguments);
-
-    qDebug() << arguments.join(" ");
-    connect(m_t2sProcess.data(), &PrivilegedProcess::errorOccurred,
-            [&](QProcess::ProcessError error) { qDebug() << "PrivilegedProcess errorOccurred" << error; });
-
-    connect(m_t2sProcess.data(), &PrivilegedProcess::stateChanged,
-            [&](QProcess::ProcessState newState) {
-                qDebug() << "PrivilegedProcess stateChanged" << newState;
-        if (newState == QProcess::Running)
-        {
-            setConnectionState(Vpn::ConnectionState::Connecting);
-            QList<QHostAddress> dnsAddr;
-            dnsAddr.push_back(QHostAddress(m_configData.value(config_key::dns1).toString()));
-            dnsAddr.push_back(QHostAddress(m_configData.value(config_key::dns2).toString()));
-
-#ifdef Q_OS_MACOS
-            QThread::msleep(5000);
-            IpcClient::Interface()->createTun("utun22", amnezia::protocols::xray::defaultLocalAddr);
-            IpcClient::Interface()->updateResolvers("utun22", dnsAddr);
-#endif
-#ifdef Q_OS_WINDOWS
-            QThread::msleep(7000);
-#endif
-#ifdef Q_OS_LINUX
-            QThread::msleep(1000);
-            IpcClient::Interface()->createTun("tun2", amnezia::protocols::xray::defaultLocalAddr);
-            IpcClient::Interface()->updateResolvers("tun2", dnsAddr);
-#endif
-#if defined(Q_OS_LINUX) || defined(Q_OS_MACOS)
-            // killSwitch toggle
-            if (QVariant(m_configData.value(config_key::killSwitchOption).toString()).toBool()) {
-                IpcClient::Interface()->enableKillSwitch(m_configData, 0);
-            }
-#endif
-            if (m_routeMode == 0) {
-                IpcClient::Interface()->routeAddList(m_vpnGateway, QStringList() << "0.0.0.0/1");
-                IpcClient::Interface()->routeAddList(m_vpnGateway, QStringList() << "128.0.0.0/1");
-                IpcClient::Interface()->routeAddList(m_routeGateway, QStringList() << m_remoteAddress);
-            }
-            IpcClient::Interface()->StopRoutingIpv6();
-#ifdef Q_OS_WIN
-            IpcClient::Interface()->updateResolvers("tun2", dnsAddr);
-            QList<QNetworkInterface> netInterfaces = QNetworkInterface::allInterfaces();
-            for (int i = 0; i < netInterfaces.size(); i++) {
-                for (int j=0; j < netInterfaces.at(i).addressEntries().size(); j++)
-                {
-                    // killSwitch toggle
-                    if (m_vpnLocalAddress == netInterfaces.at(i).addressEntries().at(j).ip().toString()) {
-                        if (QVariant(m_configData.value(config_key::killSwitchOption).toString()).toBool()) {
-                            IpcClient::Interface()->enableKillSwitch(QJsonObject(), netInterfaces.at(i).index());
-                        }
-                        m_configData.insert("vpnAdapterIndex", netInterfaces.at(i).index());
-                        m_configData.insert("vpnGateway", m_vpnGateway);
-                        m_configData.insert("vpnServer", m_remoteAddress);
-                        IpcClient::Interface()->enablePeerTraffic(m_configData);
-                    }
-                }
-            }
-#endif
-            setConnectionState(Vpn::ConnectionState::Connected);
-        }
-    });
-
-
-#if !defined(Q_OS_MACOS)
-    connect(m_t2sProcess.data(), &PrivilegedProcess::finished, this,
-            [&]() {
-                setConnectionState(Vpn::ConnectionState::Disconnected);
-                IpcClient::Interface()->deleteTun("tun2");
-                IpcClient::Interface()->StartRoutingIpv6();
-                IpcClient::Interface()->clearSavedRoutes();
-    });
-#endif
-
     m_t2sProcess->start();
 
+#ifdef Q_OS_WIN
+    m_configData.insert("inetAdapterIndex", NetworkUtilities::AdapterIndexTo(QHostAddress(m_remoteAddress)));
+#endif
+
+    connect(m_t2sProcess.data(), &IpcProcessTun2SocksReplica::stateChanged, this,
+            [&](QProcess::ProcessState newState) { qDebug() << "PrivilegedProcess stateChanged" << newState; });
+
+    connect(m_t2sProcess.data(), &IpcProcessTun2SocksReplica::setConnectionState, this,
+            [&](int vpnState) {
+                qDebug() << "PrivilegedProcess setConnectionState " << vpnState;
+                if (vpnState == Vpn::ConnectionState::Connected)
+                {
+                    setConnectionState(Vpn::ConnectionState::Connecting);
+                    QList<QHostAddress> dnsAddr;
+                    dnsAddr.push_back(QHostAddress(m_configData.value(config_key::dns1).toString()));
+                    dnsAddr.push_back(QHostAddress(m_configData.value(config_key::dns2).toString()));
+#ifdef Q_OS_WIN
+                    QThread::msleep(8000);
+#endif
+#ifdef Q_OS_MACOS
+                    QThread::msleep(5000);
+                    IpcClient::Interface()->createTun("utun22", amnezia::protocols::xray::defaultLocalAddr);
+                    IpcClient::Interface()->updateResolvers("utun22", dnsAddr);
+#endif
+#ifdef Q_OS_LINUX
+                    QThread::msleep(1000);
+                    IpcClient::Interface()->createTun("tun2", amnezia::protocols::xray::defaultLocalAddr);
+                    IpcClient::Interface()->updateResolvers("tun2", dnsAddr);
+#endif
+#if defined(Q_OS_LINUX) || defined(Q_OS_MACOS)
+                    // killSwitch toggle
+                    if (QVariant(m_configData.value(config_key::killSwitchOption).toString()).toBool()) {
+                        m_configData.insert("vpnServer", m_remoteAddress);
+                        IpcClient::Interface()->enableKillSwitch(m_configData, 0);
+                    }
+#endif
+                    if (m_routeMode == 0) {
+                        IpcClient::Interface()->routeAddList(m_vpnGateway, QStringList() << "0.0.0.0/1");
+                        IpcClient::Interface()->routeAddList(m_vpnGateway, QStringList() << "128.0.0.0/1");
+                        IpcClient::Interface()->routeAddList(m_routeGateway, QStringList() << m_remoteAddress);
+                    }
+                    IpcClient::Interface()->StopRoutingIpv6();
+#ifdef Q_OS_WIN
+                    IpcClient::Interface()->updateResolvers("tun2", dnsAddr);
+                    QList<QNetworkInterface> netInterfaces = QNetworkInterface::allInterfaces();
+                    for (int i = 0; i < netInterfaces.size(); i++) {
+                        for (int j = 0; j < netInterfaces.at(i).addressEntries().size(); j++)
+                        {
+                            // killSwitch toggle
+                            if (m_vpnLocalAddress == netInterfaces.at(i).addressEntries().at(j).ip().toString()) {
+                                if (QVariant(m_configData.value(config_key::killSwitchOption).toString()).toBool()) {
+                                    IpcClient::Interface()->enableKillSwitch(QJsonObject(), netInterfaces.at(i).index());
+                                }
+                                m_configData.insert("vpnAdapterIndex", netInterfaces.at(i).index());
+                                m_configData.insert("vpnGateway", m_vpnGateway);
+                                m_configData.insert("vpnServer", m_remoteAddress);
+                                IpcClient::Interface()->enablePeerTraffic(m_configData);
+                            }
+                        }
+                    }
+#endif
+                    setConnectionState(Vpn::ConnectionState::Connected);
+                }
+#if !defined(Q_OS_MACOS)
+                if (vpnState == Vpn::ConnectionState::Disconnected) {
+                    setConnectionState(Vpn::ConnectionState::Disconnected);
+                    IpcClient::Interface()->deleteTun("tun2");
+                    IpcClient::Interface()->StartRoutingIpv6();
+                    IpcClient::Interface()->clearSavedRoutes();
+                }
+#endif
+            });
 
     return ErrorCode::NoError;
 }
@@ -214,7 +179,7 @@ void XrayProtocol::stop()
     qDebug() << "XrayProtocol::stop()";
     m_xrayProcess.terminate();
     if (m_t2sProcess) {
-        m_t2sProcess->close();
+        m_t2sProcess->stop();
     }
 
 #ifdef Q_OS_WIN

client/protocols/xrayprotocol.h

@@ -34,9 +34,10 @@ private:
     QString m_secondaryDNS;
 #ifndef Q_OS_IOS
     QProcess m_xrayProcess;
-    QSharedPointer<PrivilegedProcess> m_t2sProcess;
+    QSharedPointer<IpcProcessTun2SocksReplica> m_t2sProcess;
 #endif
     QTemporaryFile m_xrayCfgFile;
+
 };
 
 #endif // XRAYPROTOCOL_H

client/settings.h

@@ -237,7 +237,7 @@ private:
     mutable SecureQSettings m_settings;
 
     QString m_gatewayEndpoint;
-    bool m_isDevGatewayEnv;
+    bool m_isDevGatewayEnv = false;
 };
 
 #endif // SETTINGS_H

client/ui/controllers/importController.cpp

@@ -242,24 +242,26 @@ void ImportController::processNativeWireGuardConfig()
     auto containers = m_config.value(config_key::containers).toArray();
     if (!containers.isEmpty()) {
         auto container = containers.at(0).toObject();
-        auto containerConfig = container.value(ContainerProps::containerTypeToString(DockerContainer::WireGuard)).toObject();
-        auto protocolConfig = QJsonDocument::fromJson(containerConfig.value(config_key::last_config).toString().toUtf8()).object();
+        auto serverProtocolConfig = container.value(ContainerProps::containerTypeToString(DockerContainer::WireGuard)).toObject();
+        auto clientProtocolConfig = QJsonDocument::fromJson(serverProtocolConfig.value(config_key::last_config).toString().toUtf8()).object();
 
         QString junkPacketCount = QString::number(QRandomGenerator::global()->bounded(2, 5));
         QString junkPacketMinSize = QString::number(10);
         QString junkPacketMaxSize = QString::number(50);
-        protocolConfig[config_key::junkPacketCount] = junkPacketCount;
-        protocolConfig[config_key::junkPacketMinSize] = junkPacketMinSize;
-        protocolConfig[config_key::junkPacketMaxSize] = junkPacketMaxSize;
-        protocolConfig[config_key::initPacketJunkSize] = "0";
-        protocolConfig[config_key::responsePacketJunkSize] = "0";
-        protocolConfig[config_key::initPacketMagicHeader] = "1";
-        protocolConfig[config_key::responsePacketMagicHeader] = "2";
-        protocolConfig[config_key::underloadPacketMagicHeader] = "3";
-        protocolConfig[config_key::transportPacketMagicHeader] = "4";
+        clientProtocolConfig[config_key::junkPacketCount] = junkPacketCount;
+        clientProtocolConfig[config_key::junkPacketMinSize] = junkPacketMinSize;
+        clientProtocolConfig[config_key::junkPacketMaxSize] = junkPacketMaxSize;
+        clientProtocolConfig[config_key::initPacketJunkSize] = "0";
+        clientProtocolConfig[config_key::responsePacketJunkSize] = "0";
+        clientProtocolConfig[config_key::initPacketMagicHeader] = "1";
+        clientProtocolConfig[config_key::responsePacketMagicHeader] = "2";
+        clientProtocolConfig[config_key::underloadPacketMagicHeader] = "3";
+        clientProtocolConfig[config_key::transportPacketMagicHeader] = "4";
 
-        containerConfig[config_key::last_config] = QString(QJsonDocument(protocolConfig).toJson());
-        container["wireguard"] = containerConfig;
+        clientProtocolConfig[config_key::isObfuscationEnabled] = true;
+
+        serverProtocolConfig[config_key::last_config] = QString(QJsonDocument(clientProtocolConfig).toJson());
+        container["wireguard"] = serverProtocolConfig;
         containers.replace(0, container);
         m_config[config_key::containers] = containers;
     }

client/ui/qml/main2.qml

@@ -80,7 +80,8 @@ Window  {
     }
 
     PageStart {
-        anchors.fill: parent
+        width: root.width
+        height: root.height
     }
 
     Item {

ipc/ipc_interface.rep

@@ -7,7 +7,6 @@
 class IpcInterface
 {
     SLOT( int createPrivilegedProcess() ); // return local pid
-    //SIGNAL(sendMessage(const QByteArray &message));
 
     // Route functions
     SLOT( int routeAddList(const QString &gw, const QStringList &ips) );

ipc/ipc_process_interface.rep

@@ -3,7 +3,6 @@
 
 class IpcProcessInterface
 {
-    //SLOT( start(const QString &program, const QStringList &args) );
     SLOT( start() );
     SLOT( close() );
 

ipc/ipc_process_tun2socks.rep

@@ -0,0 +1,11 @@
+#include <QtCore>
+#include <QString>
+
+class IpcProcessTun2Socks
+{
+    SLOT( start() );
+    SLOT( stop() );
+
+    SIGNAL( setConnectionState(int state) );
+    SIGNAL( stateChanged(QProcess::ProcessState newState) );
+};

ipc/ipcserver.cpp

@@ -8,6 +8,7 @@
 #include "logger.h"
 #include "router.h"
 
+#include "../core/networkUtilities.h"
 #include "../client/protocols/protocols_defs.h"
 #ifdef Q_OS_WIN
     #include "../client/platforms/windows/daemon/windowsdaemon.h"
@@ -209,7 +210,7 @@ bool IpcServer::enableKillSwitch(const QJsonObject &configStr, int vpnAdapterInd
     if (splitTunnelType == 0) {
         blockAll = true;
         allowNets = true;
-        allownets.append(configStr.value(amnezia::config_key::hostName).toString());
+        allownets.append(configStr.value("vpnServer").toString());
     } else if (splitTunnelType == 1) {
         blockNets = true;
         for (auto v : splitTunnelSites) {
@@ -218,7 +219,7 @@ bool IpcServer::enableKillSwitch(const QJsonObject &configStr, int vpnAdapterInd
     } else if (splitTunnelType == 2) {
         blockAll = true;
         allowNets = true;
-        allownets.append(configStr.value(amnezia::config_key::hostName).toString());
+        allownets.append(configStr.value("vpnServer").toString());
         for (auto v : splitTunnelSites) {
             allownets.append(v.toString());
         }
@@ -329,7 +330,7 @@ bool IpcServer::enablePeerTraffic(const QJsonObject &configStr)
         }
     }
 
-    config.m_excludedAddresses.append(configStr.value(amnezia::config_key::hostName).toString());
+    config.m_excludedAddresses.append(configStr.value("vpnServer").toString());
     if (splitTunnelType == 2) {
         for (auto v : splitTunnelSites) {
             QString ipRange = v.toString();
@@ -351,7 +352,6 @@ bool IpcServer::enablePeerTraffic(const QJsonObject &configStr)
 
     WindowsDaemon::instance()->prepareActivation(config, inetAdapterIndex);
     WindowsDaemon::instance()->activateSplitTunnel(config, vpnAdapterIndex);
-    return true;
 #endif
     return true;
 }

ipc/ipcserver.h

@@ -9,8 +9,10 @@
 
 #include "ipc.h"
 #include "ipcserverprocess.h"
+#include "ipctun2socksprocess.h"
 
 #include "rep_ipc_interface_source.h"
+#include "rep_ipc_process_tun2socks_source.h"
 
 class IpcServer : public IpcInterfaceSource
 {
@@ -44,10 +46,12 @@ private:
         ProcessDescriptor (QObject *parent = nullptr) {
             serverNode = QSharedPointer<QRemoteObjectHost>(new QRemoteObjectHost(parent));
             ipcProcess = QSharedPointer<IpcServerProcess>(new IpcServerProcess(parent));
+            tun2socksProcess = QSharedPointer<IpcProcessTun2Socks>(new IpcProcessTun2Socks(parent));
             localServer = QSharedPointer<QLocalServer>(new QLocalServer(parent));
         }
 
         QSharedPointer<IpcServerProcess> ipcProcess;
+        QSharedPointer<IpcProcessTun2Socks> tun2socksProcess;
         QSharedPointer<QRemoteObjectHost> serverNode;
         QSharedPointer<QLocalServer> localServer;
     };

ipc/ipctun2socksprocess.cpp

@@ -0,0 +1,74 @@
+#include "ipctun2socksprocess.h"
+#include "ipc.h"
+#include <QProcess>
+#include <QString>
+
+#include "../protocols/protocols_defs.h"
+
+#ifndef Q_OS_IOS
+
+IpcProcessTun2Socks::IpcProcessTun2Socks(QObject *parent) :
+    IpcProcessTun2SocksSource(parent),
+    m_t2sProcess(QSharedPointer<QProcess>(new QProcess()))
+{
+    connect(m_t2sProcess.data(), &QProcess::stateChanged, this, &IpcProcessTun2Socks::stateChanged);
+    qDebug() << "IpcProcessTun2Socks::IpcProcessTun2Socks()";
+
+}
+
+IpcProcessTun2Socks::~IpcProcessTun2Socks()
+{
+    qDebug() << "IpcProcessTun2Socks::~IpcProcessTun2Socks()";
+}
+
+void IpcProcessTun2Socks::start()
+{
+    qDebug() << "IpcProcessTun2Socks::start()";
+    m_t2sProcess->setProgram(amnezia::permittedProcessPath(static_cast<amnezia::PermittedProcess>(amnezia::PermittedProcess::Tun2Socks)));
+    QString XrayConStr = "socks5://127.0.0.1:10808";
+
+#ifdef Q_OS_WIN
+    QStringList arguments({"-device", "tun://tun2", "-proxy", XrayConStr, "-tun-post-up",
+                           QString("cmd /c netsh interface ip set address name=\"tun2\" static %1 255.255.255.255")
+                               .arg(amnezia::protocols::xray::defaultLocalAddr)});
+#endif
+#ifdef Q_OS_LINUX
+    QStringList arguments({"-device", "tun://tun2", "-proxy", XrayConStr});
+#endif
+#ifdef Q_OS_MAC
+    QStringList arguments({"-device", "utun22", "-proxy", XrayConStr});
+#endif
+
+    m_t2sProcess->setArguments(arguments);
+
+    Utils::killProcessByName(m_t2sProcess->program());
+    m_t2sProcess->start();
+
+    connect(m_t2sProcess.data(), &QProcess::readyReadStandardOutput, this, [this]() {
+        QString line = m_t2sProcess.data()->readAllStandardOutput();
+        if (line.contains("[STACK] tun://") && line.contains("<-> socks5://127.0.0.1")) {
+            emit setConnectionState(Vpn::ConnectionState::Connected);
+        }
+    });
+
+    connect(m_t2sProcess.data(), QOverload<int, QProcess::ExitStatus>::of(&QProcess::finished), this, [this](int exitCode, QProcess::ExitStatus exitStatus) {
+        qDebug().noquote() << "tun2socks finished, exitCode, exiStatus" << exitCode << exitStatus;
+        emit setConnectionState(Vpn::ConnectionState::Disconnected);
+        if (exitStatus != QProcess::NormalExit){
+            stop();
+        }
+        if (exitCode !=0 ){
+            stop();
+        }
+    });
+
+    m_t2sProcess->start();
+    m_t2sProcess->waitForStarted();
+}
+
+void IpcProcessTun2Socks::stop()
+{
+    qDebug() << "IpcProcessTun2Socks::stop()";
+    m_t2sProcess->close();
+}
+#endif

ipc/ipctun2socksprocess.h

@@ -0,0 +1,52 @@
+#ifndef IPCTUN2SOCKSPROCESS_H
+#define IPCTUN2SOCKSPROCESS_H
+
+#include <QObject>
+
+#ifndef Q_OS_IOS
+#include "rep_ipc_process_tun2socks_source.h"
+
+namespace Vpn
+{
+Q_NAMESPACE
+    enum ConnectionState {
+        Unknown,
+        Disconnected,
+        Preparing,
+        Connecting,
+        Connected,
+        Disconnecting,
+        Reconnecting,
+        Error
+    };
+Q_ENUM_NS(ConnectionState)
+}
+
+
+class IpcProcessTun2Socks : public IpcProcessTun2SocksSource
+{
+    Q_OBJECT
+public:
+    explicit IpcProcessTun2Socks(QObject *parent = nullptr);
+    virtual ~IpcProcessTun2Socks();
+
+    void start() override;
+    void stop() override;
+
+signals:
+
+private:
+    QSharedPointer<QProcess> m_t2sProcess;
+};
+
+#else
+class IpcProcessTun2Socks : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit IpcProcessTun2Socks(QObject *parent = nullptr);
+};
+#endif
+
+#endif // IPCTUN2SOCKSPROCESS_H

service/server/CMakeLists.txt

@@ -18,6 +18,7 @@ set(HEADERS
     ${CMAKE_CURRENT_LIST_DIR}/../../ipc/ipc.h
     ${CMAKE_CURRENT_LIST_DIR}/../../ipc/ipcserver.h
     ${CMAKE_CURRENT_LIST_DIR}/../../ipc/ipcserverprocess.h
+    ${CMAKE_CURRENT_LIST_DIR}/../../ipc/ipctun2socksprocess.h
     ${CMAKE_CURRENT_LIST_DIR}/localserver.h
     ${CMAKE_CURRENT_LIST_DIR}/../../common/logger/logger.h
     ${CMAKE_CURRENT_LIST_DIR}/router.h
@@ -30,6 +31,7 @@ set(SOURCES
     ${CMAKE_CURRENT_LIST_DIR}/../../client/core/networkUtilities.cpp
     ${CMAKE_CURRENT_LIST_DIR}/../../ipc/ipcserver.cpp
     ${CMAKE_CURRENT_LIST_DIR}/../../ipc/ipcserverprocess.cpp
+    ${CMAKE_CURRENT_LIST_DIR}/../../ipc/ipctun2socksprocess.cpp
     ${CMAKE_CURRENT_LIST_DIR}/localserver.cpp
     ${CMAKE_CURRENT_LIST_DIR}/../../common/logger/logger.cpp
     ${CMAKE_CURRENT_LIST_DIR}/main.cpp
@@ -279,6 +281,7 @@ endif()
 
 qt_add_repc_sources(${PROJECT} ${CMAKE_CURRENT_LIST_DIR}/../../ipc/ipc_interface.rep)
 qt_add_repc_sources(${PROJECT} ${CMAKE_CURRENT_LIST_DIR}/../../ipc/ipc_process_interface.rep)
+qt_add_repc_sources(${PROJECT} ${CMAKE_CURRENT_LIST_DIR}/../../ipc/ipc_process_tun2socks.rep)
 
 # copy deploy artifacts required to run the application to the debug build folder
 if(WIN32)

service/server/localserver.cpp

@@ -37,6 +37,7 @@ LocalServer::LocalServer(QObject *parent) : QObject(parent),
         if (!m_isRemotingEnabled) {
             m_isRemotingEnabled = true;
             m_serverNode.enableRemoting(&m_ipcServer);
+            m_serverNode.enableRemoting(&m_tun2socks);
         }
     });
 

service/server/localserver.h

@@ -38,6 +38,7 @@ public:
     ~LocalServer();
     QSharedPointer<QLocalServer> m_server;
     IpcServer m_ipcServer;
+    IpcProcessTun2Socks m_tun2socks;
     QRemoteObjectHost m_serverNode;
     bool m_isRemotingEnabled = false;
 #ifdef Q_OS_LINUX