Add transparent tcp proxy on linux

src/tunnel/mod.rs

@@ -10,11 +10,13 @@ use once_cell::sync::Lazy;
 use serde::{Deserialize, Serialize};
 use std::collections::HashSet;
 use std::io::{Error, IoSlice};
+use std::net::{IpAddr, SocketAddr};
 use std::pin::Pin;
 use std::task::{Context, Poll};
 use tokio::io::{AsyncRead, AsyncWrite, ReadBuf};
 use tokio::net::TcpStream;
 use tokio_rustls::client::TlsStream;
+use url::Host;
 use uuid::Uuid;
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
@@ -36,6 +38,7 @@ impl JwtTunnelConfig {
                 LocalProtocol::Socks5 => LocalProtocol::Tcp,
                 LocalProtocol::ReverseTcp => LocalProtocol::ReverseTcp,
                 LocalProtocol::ReverseUdp { .. } => tunnel.local_protocol,
+                LocalProtocol::TProxyTcp => LocalProtocol::Tcp,
             },
             r: tunnel.remote.0.to_string(),
             rp: tunnel.remote.1,
@@ -141,3 +144,10 @@ impl ManageConnection for WsClientConfig {
         conn.is_none()
     }
 }
+
+pub fn to_host_port(addr: SocketAddr) -> (Host, u16) {
+    match addr.ip() {
+        IpAddr::V4(ip) => (Host::Ipv4(ip), addr.port()),
+        IpAddr::V6(ip) => (Host::Ipv6(ip), addr.port()),
+    }
+}

src/tunnel/server.rs

@@ -88,7 +88,7 @@ async fn from_query(
 
             let local_srv = (Host::parse(&jwt.claims.r)?, jwt.claims.rp);
             let bind = format!("{}:{}", local_srv.0, local_srv.1);
-            let listening_server = tcp::run_server(bind.parse()?);
+            let listening_server = tcp::run_server(bind.parse()?, false);
             let tcp = run_listening_server(&local_srv, SERVERS.deref(), listening_server).await?;
             let (local_rx, local_tx) = tcp.into_split();