fix: misusing tproxy as redirect type

Author: spongebob888

clash-lib/src/proxy/redir/mod.rs

@@ -6,6 +6,7 @@ use crate::{
     },
     session::{Network, Session, Type},
 };
+use crate::common::errors::new_io_error;
 
 use async_trait::async_trait;
 use std::{io, net::SocketAddr, os::fd::AsRawFd, sync::Arc};
@@ -72,7 +73,7 @@ impl InboundHandlerTrait for RedirInbound {
 
             let sess = Session {
                 network: Network::Tcp,
-                typ: Type::Tproxy,
+                typ: Type::Redir,
                 source: src_addr,
                 destination: orig_dst.into(),
                 so_mark: self.fw_mark,
@@ -89,7 +90,7 @@ impl InboundHandlerTrait for RedirInbound {
     }
 
     async fn listen_udp(&self) -> std::io::Result<()> {
-        panic!("redir doesn't support udp")
+        Err(new_io_error("unsupported UDP protocol for Redir inbound"))
     }
 }
 

clash-lib/src/session.rs

@@ -401,6 +401,8 @@ pub enum Type {
     Tun,
     #[cfg(all(target_os = "linux", feature = "tproxy"))]
     Tproxy,
+    #[cfg(all(target_os = "linux", feature = "redir"))]
+    Redir,
     Tunnel,
     Shadowsocks,
     Ignore,