Added a basic TUN, testing the implementation.

include/columnlynx/client/net/tcp/tcp_client.hpp

@@ -13,6 +13,8 @@
 #include <array>
 #include <algorithm>
 #include <vector>
+#include <columnlynx/common/net/protocol_structs.hpp>
+#include <columnlynx/common/net/virtual_interface.hpp>
 
 using asio::ip::tcp;
 
@@ -25,7 +27,8 @@ namespace ColumnLynx::Net::TCP {
                       Utils::LibSodiumWrapper* sodiumWrapper,
                       std::array<uint8_t, 32>* aesKey,
                       uint64_t* sessionIDRef,
-                      bool* insecureMode)
+                      bool* insecureMode,
+                      VirtualInterface* tun = nullptr)
                 :
                 mResolver(ioContext),
                 mSocket(ioContext),
@@ -70,5 +73,7 @@ namespace ColumnLynx::Net::TCP {
             std::chrono::steady_clock::time_point mLastHeartbeatSent;
             int mMissedHeartbeats = 0;
             bool mIsHostDomain;
+            Protocol::TunConfig mTunConfig;
+            VirtualInterface* mTun = nullptr;
     };
 }

include/columnlynx/client/net/udp/udp_client.hpp

@@ -9,6 +9,7 @@
 #include <columnlynx/common/utils.hpp>
 #include <columnlynx/common/libsodium_wrapper.hpp>
 #include <array>
+#include <columnlynx/common/net/virtual_interface.hpp>
 
 namespace ColumnLynx::Net::UDP {
     class UDPClient {
@@ -17,8 +18,9 @@ namespace ColumnLynx::Net::UDP {
                       const std::string& host,
                       const std::string& port,
                       std::array<uint8_t, 32>* aesKeyRef,
-                      uint64_t* sessionIDRef)
-                : mSocket(ioContext), mResolver(ioContext), mHost(host), mPort(port), mAesKeyRef(aesKeyRef), mSessionIDRef(sessionIDRef) { mStartReceive(); }
+                      uint64_t* sessionIDRef,
+                      VirtualInterface* tunRef = nullptr)
+                : mSocket(ioContext), mResolver(ioContext), mHost(host), mPort(port), mAesKeyRef(aesKeyRef), mSessionIDRef(sessionIDRef), mTunRef(tunRef) { mStartReceive(); }
 
             void start();
             void sendMessage(const std::string& data = "");
@@ -35,6 +37,7 @@ namespace ColumnLynx::Net::UDP {
             std::string mPort;
             std::array<uint8_t, 32>* mAesKeyRef;
             uint64_t* mSessionIDRef;
+            VirtualInterface* mTunRef;
             std::array<uint8_t, 2048> mRecvBuffer; // Adjust size as needed
     };
 }