feat: native split-tunneling for xray (#1899)

* feat: integrated xray as a library and added split-tunneling

* fix: added copying amnezia_xray.dll to build dir

* fix: changed path on darwin

* chore: clean up getting default device

* chore: removed WSAGetLastError from sockopt logging

* fix: get rid of debug logs in xray handlers

* fix: minor fixes and xray debugging capabilities

* fix: macos default interface fix

* fix: roll-back ipv6 sockopt for mac

* fix: bind IPv6 on Windows

* fix: (win) better IPv6 handling and router fixes

* feat: prebuilts uploaded

* fix: removed redundant cmake definitions

* feat: moved xray to service process, reworked errors

* fix: return values in networkUtilities

* fix: macos build fixes

* fix: (windows) cmake fixes

* fix: (windows) compilation fix

* fix: (windows) changed location of amnezia_xray.dll

* feat: xray logs added to system service

* chore: bump xray&tun2socks versions for android

* chore: cleanup of XrayProtocol class
* removed killswitch
* removed redundant members and basic cleanup

* feat: support split-tunneling in iOS and macOS NE

* chore: update active interface index based on network path and available interfaces

* refactor: update network path handling and logging in PacketTunnelProvider

* chore: bump xray deps

---------

Co-authored-by: Yaroslav Yashin <yaroslav.yashin@gmail.com>

ipc/ipc_interface.rep

@@ -38,6 +38,9 @@ class IpcInterface
     SLOT( bool updateResolvers(const QString& ifname, const QList<QHostAddress>& resolvers) );
     SLOT( bool restoreResolvers() );
 
+    SLOT(void xrayStart(const QString &config));
+    SLOT(void xrayStop());
+
     SLOT( bool startNetworkCheck(const QString& serverIpv4Gateway, const QString& deviceIpv4Address) );
     SLOT( bool stopNetworkCheck() );
 

ipc/ipcserver.cpp

@@ -15,8 +15,8 @@
 
 #include "logger.h"
 #include "router.h"
-
 #include "killswitch.h"
+#include "xray.h"
 
 #ifdef Q_OS_WIN
     #include "tapcontroller_win.h"
@@ -240,3 +240,13 @@ bool IpcServer::refreshKillSwitch(bool enabled)
 {
     return KillSwitch::instance()->refresh(enabled);
 }
+
+void IpcServer::xrayStart(const QString& cfg)
+{
+    return Xray::getInstance().startXray(cfg);
+}
+
+void IpcServer::xrayStop()
+{
+    return Xray::getInstance().stopXray();
+}

ipc/ipcserver.h

@@ -44,6 +44,8 @@ public:
     virtual bool refreshKillSwitch( bool enabled ) override;
     virtual bool updateResolvers(const QString& ifname, const QList<QHostAddress>& resolvers) override;
     virtual bool restoreResolvers() override;
+    virtual void xrayStart(const QString& cfg) override;
+    virtual void xrayStop() override;
     virtual bool startNetworkCheck(const QString& serverIpv4Gateway, const QString& deviceIpv4Address) override;
     virtual bool stopNetworkCheck() override;