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>

service/server/CMakeLists.txt

@@ -12,6 +12,23 @@ qt_standard_project_setup()
 
 configure_file(${CMAKE_SOURCE_DIR}/version.h.in ${CMAKE_CURRENT_BINARY_DIR}/version.h)
 
+set(AMNEZIA_XRAY_ROOT_DIR "${CMAKE_CURRENT_LIST_DIR}/../../client/3rd-prebuilt/3rd-prebuilt/amnezia_xray")
+if(WIN32)
+    if("${CMAKE_SIZEOF_VOID_P}" STREQUAL "8")
+        set(AMNEZIA_XRAY_LIB_PATH "${AMNEZIA_XRAY_ROOT_DIR}/windows/x86_64/amnezia_xray.lib")
+        set(AMNEZIA_XRAY_INCLUDE_DIR "${AMNEZIA_XRAY_ROOT_DIR}/windows/x86_64")
+    else()
+        set(AMNEZIA_XRAY_LIB_PATH "${AMNEZIA_XRAY_ROOT_DIR}/windows/x86/amnezia_xray.lib")
+        set(AMNEZIA_XRAY_INCLUDE_DIR "${AMNEZIA_XRAY_ROOT_DIR}/windows/x86")
+    endif()
+elseif(APPLE AND NOT IOS)
+    set(AMNEZIA_XRAY_LIB_PATH "${AMNEZIA_XRAY_ROOT_DIR}/macos/x86_64/amnezia_xray.a")
+    set(AMNEZIA_XRAY_INCLUDE_DIR "${AMNEZIA_XRAY_ROOT_DIR}/macos/x86_64")
+elseif(LINUX)
+    set(AMNEZIA_XRAY_LIB_PATH "${AMNEZIA_XRAY_ROOT_DIR}/linux/x86_64/amnezia_xray.a")
+    set(AMNEZIA_XRAY_INCLUDE_DIR "${AMNEZIA_XRAY_ROOT_DIR}/linux/x86_64")
+endif()
+
 set(QSIMPLECRYPTO_DIR ${CMAKE_CURRENT_LIST_DIR}/../../client/3rd/QSimpleCrypto/src)
 
 
@@ -46,6 +63,7 @@ endif()
 set(OPENSSL_USE_STATIC_LIBS TRUE)
 
 include_directories(
+    ${AMNEZIA_XRAY_INCLUDE_DIR}
     ${OPENSSL_INCLUDE_DIR}
     ${QSIMPLECRYPTO_DIR}
 )
@@ -63,6 +81,7 @@ set(HEADERS
     ${CMAKE_CURRENT_LIST_DIR}/router.h
     ${CMAKE_CURRENT_LIST_DIR}/killswitch.h
     ${CMAKE_CURRENT_LIST_DIR}/systemservice.h
+    ${CMAKE_CURRENT_LIST_DIR}/xray.h
     ${CMAKE_CURRENT_BINARY_DIR}/version.h
     ${QSIMPLECRYPTO_DIR}/include/QAead.h
     ${QSIMPLECRYPTO_DIR}/include/QBlockCipher.h
@@ -85,6 +104,7 @@ set(SOURCES
     ${CMAKE_CURRENT_LIST_DIR}/router.cpp
     ${CMAKE_CURRENT_LIST_DIR}/killswitch.cpp
     ${CMAKE_CURRENT_LIST_DIR}/systemservice.cpp
+    ${CMAKE_CURRENT_LIST_DIR}/xray.cpp
     ${QSIMPLECRYPTO_DIR}/sources/QAead.cpp
     ${QSIMPLECRYPTO_DIR}/sources/QBlockCipher.cpp
     ${QSIMPLECRYPTO_DIR}/sources/QRsa.cpp
@@ -222,6 +242,7 @@ if(WIN32)
         gdi32
         Advapi32
         Kernel32
+        ${AMNEZIA_XRAY_LIB_PATH}
         ${OPENSSL_LIB_CRYPTO_PATH}
         qt6keychain
     )
@@ -269,7 +290,12 @@ if(APPLE)
         ${CMAKE_CURRENT_SOURCE_DIR}/../../client/platforms/macos/daemon/macosfirewall.cpp
     )
 
-    set(LIBS ${OPENSSL_LIB_CRYPTO_PATH} qt6keychain)
+    set(LIBS
+        resolv
+        ${AMNEZIA_XRAY_LIB_PATH}
+        ${OPENSSL_LIB_CRYPTO_PATH}
+        qt6keychain
+    )
 
 endif()
 
@@ -304,7 +330,14 @@ if(LINUX)
         ${CMAKE_CURRENT_SOURCE_DIR}/../../client/platforms/linux/daemon/linuxfirewall.cpp
     )
 
-    set(LIBS ${OPENSSL_LIB_CRYPTO_PATH} qt6keychain -static-libstdc++ -static-libgcc -ldl)
+    set(LIBS
+        ${AMNEZIA_XRAY_LIB_PATH}    
+        ${OPENSSL_LIB_CRYPTO_PATH}
+        qt6keychain
+        -static-libstdc++
+        -static-libgcc
+        -ldl
+    )
 
 endif()