chore: cleanup unneed patch

adapter/outbound/patch.go

@@ -1,7 +0,0 @@
-package outbound
-
-import "net"
-
-func (c *conn) RawConn() (net.Conn, bool) {
-	return c.ExtendedConn, true
-}

common/net/patch.go

@@ -1,11 +0,0 @@
-package net
-
-import "net"
-
-func (c *BufferedConn) RawConn() (net.Conn, bool) {
-	if c.r.Buffered() == 0 {
-		return c.ExtendedConn, true
-	}
-
-	return nil, false
-}

constant/patch.go

@@ -1,11 +0,0 @@
-package constant
-
-import "net"
-
-type WrappedConn interface {
-	RawConn() (net.Conn, bool)
-}
-
-type WrappedPacketConn interface {
-	RawPacketConn() (net.PacketConn, bool)
-}

context/patch.go

@@ -1,7 +0,0 @@
-package context
-
-import "net"
-
-func (c *ConnContext) RawConn() (net.Conn, bool) {
-	return c.conn, true
-}

tunnel/connection.go

@@ -83,11 +83,5 @@ func closeAllLocalCoon(lAddr string) {
 }
 
 func handleSocket(ctx C.ConnContext, outbound net.Conn) {
-	left := unwrap(ctx.Conn())
-	right := unwrap(outbound)
-
-	if relayHijack(left, right) {
-		return
-	}
 	N.Relay(ctx.Conn(), outbound)
 }

tunnel/patch.go

@@ -1,73 +0,0 @@
-package tunnel
-
-import (
-	"net"
-
-	C "github.com/Dreamacro/clash/constant"
-)
-
-func relayHijack(left net.Conn, right net.Conn) bool {
-	var l *net.TCPConn
-	var r *net.TCPConn
-	var ok bool
-
-	if l, ok = left.(*net.TCPConn); !ok {
-		return false
-	}
-
-	if r, ok = right.(*net.TCPConn); !ok {
-		return false
-	}
-
-	closed := make(chan struct{})
-
-	go func() {
-		defer close(closed)
-
-		r.ReadFrom(l)
-		r.Close()
-	}()
-
-	l.ReadFrom(r)
-	l.Close()
-
-	<-closed
-
-	return true
-}
-
-func unwrap(conn net.Conn) net.Conn {
-	r := conn
-
-	for {
-		w, ok := r.(C.WrappedConn)
-		if !ok {
-			break
-		}
-		rc, ok := w.RawConn()
-		if !ok {
-			break
-		}
-		r = rc
-	}
-
-	return r
-}
-
-func unwrapPacket(conn net.PacketConn) net.PacketConn {
-	r := conn
-
-	for {
-		w, ok := r.(C.WrappedPacketConn)
-		if !ok {
-			break
-		}
-		rc, ok := w.RawPacketConn()
-		if !ok {
-			break
-		}
-		r = rc
-	}
-
-	return r
-}

tunnel/statistic/patch.go

@@ -1,25 +1,5 @@
 package statistic
 
-import (
-	"net"
-)
-
 func (m *Manager) Total() (up, down int64) {
 	return m.uploadTotal.Load(), m.downloadTotal.Load()
 }
-
-func (tt *tcpTracker) RawConn() (net.Conn, bool) {
-	if tt.Chain.Last() == "DIRECT" {
-		return tt.Conn, true
-	}
-
-	return nil, false
-}
-
-func (ut *udpTracker) RawPacketConn() (net.PacketConn, bool) {
-	if ut.Chain.Last() == "DIRECT" {
-		return ut.PacketConn, true
-	}
-
-	return nil, false
-}