Update dependencies

proxy/shadowsocks_2022/inbound.go

@@ -17,6 +17,7 @@ import (
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/protocol"
 	"github.com/xtls/xray-core/common/session"
+	"github.com/xtls/xray-core/common/singbridge"
 	"github.com/xtls/xray-core/features/routing"
 	"github.com/xtls/xray-core/transport/internet/stat"
 )
@@ -74,7 +75,7 @@ func (i *Inbound) Process(ctx context.Context, network net.Network, connection s
 	ctx = session.ContextWithDispatcher(ctx, dispatcher)
 
 	if network == net.Network_TCP {
-		return returnError(i.service.NewConnection(ctx, connection, metadata))
+		return singbridge.ReturnError(i.service.NewConnection(ctx, connection, metadata))
 	} else {
 		reader := buf.NewReader(connection)
 		pc := &natPacketConn{connection}
@@ -82,7 +83,7 @@ func (i *Inbound) Process(ctx context.Context, network net.Network, connection s
 			mb, err := reader.ReadMultiBuffer()
 			if err != nil {
 				buf.ReleaseMulti(mb)
-				return returnError(err)
+				return singbridge.ReturnError(err)
 			}
 			for _, buffer := range mb {
 				packet := B.As(buffer.Bytes()).ToOwned()
@@ -112,16 +113,11 @@ func (i *Inbound) NewConnection(ctx context.Context, conn net.Conn, metadata M.M
 	})
 	newError("tunnelling request to tcp:", metadata.Destination).WriteToLog(session.ExportIDToError(ctx))
 	dispatcher := session.DispatcherFromContext(ctx)
-	link, err := dispatcher.Dispatch(ctx, toDestination(metadata.Destination, net.Network_TCP))
+	link, err := dispatcher.Dispatch(ctx, singbridge.ToDestination(metadata.Destination, net.Network_TCP))
 	if err != nil {
 		return err
 	}
-	outConn := &pipeConnWrapper{
-		&buf.BufferedReader{Reader: link.Reader},
-		link.Writer,
-		conn,
-	}
-	return bufio.CopyConn(ctx, conn, outConn)
+	return singbridge.CopyConn(ctx, nil, link, conn)
 }
 
 func (i *Inbound) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata M.Metadata) error {
@@ -138,12 +134,12 @@ func (i *Inbound) NewPacketConnection(ctx context.Context, conn N.PacketConn, me
 	})
 	newError("tunnelling request to udp:", metadata.Destination).WriteToLog(session.ExportIDToError(ctx))
 	dispatcher := session.DispatcherFromContext(ctx)
-	destination := toDestination(metadata.Destination, net.Network_UDP)
+	destination := singbridge.ToDestination(metadata.Destination, net.Network_UDP)
 	link, err := dispatcher.Dispatch(ctx, destination)
 	if err != nil {
 		return err
 	}
-	outConn := &packetConnWrapper{
+	outConn := &singbridge.PacketConnWrapper{
 		Reader: link.Reader,
 		Writer: link.Writer,
 		Dest:   destination,

proxy/shadowsocks_2022/inbound_multi.go

@@ -21,6 +21,7 @@ import (
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/protocol"
 	"github.com/xtls/xray-core/common/session"
+	"github.com/xtls/xray-core/common/singbridge"
 	"github.com/xtls/xray-core/common/uuid"
 	"github.com/xtls/xray-core/features/routing"
 	"github.com/xtls/xray-core/transport/internet/stat"
@@ -163,7 +164,7 @@ func (i *MultiUserInbound) Process(ctx context.Context, network net.Network, con
 	ctx = session.ContextWithDispatcher(ctx, dispatcher)
 
 	if network == net.Network_TCP {
-		return returnError(i.service.NewConnection(ctx, connection, metadata))
+		return singbridge.ReturnError(i.service.NewConnection(ctx, connection, metadata))
 	} else {
 		reader := buf.NewReader(connection)
 		pc := &natPacketConn{connection}
@@ -171,7 +172,7 @@ func (i *MultiUserInbound) Process(ctx context.Context, network net.Network, con
 			mb, err := reader.ReadMultiBuffer()
 			if err != nil {
 				buf.ReleaseMulti(mb)
-				return returnError(err)
+				return singbridge.ReturnError(err)
 			}
 			for _, buffer := range mb {
 				packet := B.As(buffer.Bytes()).ToOwned()
@@ -203,16 +204,11 @@ func (i *MultiUserInbound) NewConnection(ctx context.Context, conn net.Conn, met
 	})
 	newError("tunnelling request to tcp:", metadata.Destination).WriteToLog(session.ExportIDToError(ctx))
 	dispatcher := session.DispatcherFromContext(ctx)
-	link, err := dispatcher.Dispatch(ctx, toDestination(metadata.Destination, net.Network_TCP))
+	link, err := dispatcher.Dispatch(ctx, singbridge.ToDestination(metadata.Destination, net.Network_TCP))
 	if err != nil {
 		return err
 	}
-	outConn := &pipeConnWrapper{
-		&buf.BufferedReader{Reader: link.Reader},
-		link.Writer,
-		conn,
-	}
-	return bufio.CopyConn(ctx, conn, outConn)
+	return singbridge.CopyConn(ctx, conn, link, conn)
 }
 
 func (i *MultiUserInbound) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata M.Metadata) error {
@@ -231,12 +227,12 @@ func (i *MultiUserInbound) NewPacketConnection(ctx context.Context, conn N.Packe
 	})
 	newError("tunnelling request to udp:", metadata.Destination).WriteToLog(session.ExportIDToError(ctx))
 	dispatcher := session.DispatcherFromContext(ctx)
-	destination := toDestination(metadata.Destination, net.Network_UDP)
+	destination := singbridge.ToDestination(metadata.Destination, net.Network_UDP)
 	link, err := dispatcher.Dispatch(ctx, destination)
 	if err != nil {
 		return err
 	}
-	outConn := &packetConnWrapper{
+	outConn := &singbridge.PacketConnWrapper{
 		Reader: link.Reader,
 		Writer: link.Writer,
 		Dest:   destination,

proxy/shadowsocks_2022/inbound_relay.go

@@ -19,6 +19,7 @@ import (
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/protocol"
 	"github.com/xtls/xray-core/common/session"
+	"github.com/xtls/xray-core/common/singbridge"
 	"github.com/xtls/xray-core/common/uuid"
 	"github.com/xtls/xray-core/features/routing"
 	"github.com/xtls/xray-core/transport/internet/stat"
@@ -66,7 +67,7 @@ func NewRelayServer(ctx context.Context, config *RelayServerConfig) (*RelayInbou
 		C.MapIndexed(config.Destinations, func(index int, it *RelayDestination) int { return index }),
 		C.Map(config.Destinations, func(it *RelayDestination) string { return it.Key }),
 		C.Map(config.Destinations, func(it *RelayDestination) M.Socksaddr {
-			return toSocksaddr(net.Destination{
+			return singbridge.ToSocksaddr(net.Destination{
 				Address: it.Address.AsAddress(),
 				Port:    net.Port(it.Port),
 			})
@@ -95,7 +96,7 @@ func (i *RelayInbound) Process(ctx context.Context, network net.Network, connect
 	ctx = session.ContextWithDispatcher(ctx, dispatcher)
 
 	if network == net.Network_TCP {
-		return returnError(i.service.NewConnection(ctx, connection, metadata))
+		return singbridge.ReturnError(i.service.NewConnection(ctx, connection, metadata))
 	} else {
 		reader := buf.NewReader(connection)
 		pc := &natPacketConn{connection}
@@ -103,7 +104,7 @@ func (i *RelayInbound) Process(ctx context.Context, network net.Network, connect
 			mb, err := reader.ReadMultiBuffer()
 			if err != nil {
 				buf.ReleaseMulti(mb)
-				return returnError(err)
+				return singbridge.ReturnError(err)
 			}
 			for _, buffer := range mb {
 				packet := B.As(buffer.Bytes()).ToOwned()
@@ -135,16 +136,11 @@ func (i *RelayInbound) NewConnection(ctx context.Context, conn net.Conn, metadat
 	})
 	newError("tunnelling request to tcp:", metadata.Destination).WriteToLog(session.ExportIDToError(ctx))
 	dispatcher := session.DispatcherFromContext(ctx)
-	link, err := dispatcher.Dispatch(ctx, toDestination(metadata.Destination, net.Network_TCP))
+	link, err := dispatcher.Dispatch(ctx, singbridge.ToDestination(metadata.Destination, net.Network_TCP))
 	if err != nil {
 		return err
 	}
-	outConn := &pipeConnWrapper{
-		&buf.BufferedReader{Reader: link.Reader},
-		link.Writer,
-		conn,
-	}
-	return bufio.CopyConn(ctx, conn, outConn)
+	return singbridge.CopyConn(ctx, nil, link, conn)
 }
 
 func (i *RelayInbound) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata M.Metadata) error {
@@ -163,12 +159,12 @@ func (i *RelayInbound) NewPacketConnection(ctx context.Context, conn N.PacketCon
 	})
 	newError("tunnelling request to udp:", metadata.Destination).WriteToLog(session.ExportIDToError(ctx))
 	dispatcher := session.DispatcherFromContext(ctx)
-	destination := toDestination(metadata.Destination, net.Network_UDP)
+	destination := singbridge.ToDestination(metadata.Destination, net.Network_UDP)
 	link, err := dispatcher.Dispatch(ctx, destination)
 	if err != nil {
 		return err
 	}
-	outConn := &packetConnWrapper{
+	outConn := &singbridge.PacketConnWrapper{
 		Reader: link.Reader,
 		Writer: link.Writer,
 		Dest:   destination,

proxy/shadowsocks_2022/outbound.go

@@ -2,7 +2,6 @@ package shadowsocks_2022
 
 import (
 	"context"
-	"io"
 	"runtime"
 	"time"
 
@@ -17,6 +16,7 @@ import (
 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/session"
+	"github.com/xtls/xray-core/common/singbridge"
 	"github.com/xtls/xray-core/transport"
 	"github.com/xtls/xray-core/transport/internet"
 )
@@ -93,7 +93,7 @@ func (o *Outbound) Process(ctx context.Context, link *transport.Link, dialer int
 	}
 
 	if network == net.Network_TCP {
-		serverConn := o.method.DialEarlyConn(connection, toSocksaddr(destination))
+		serverConn := o.method.DialEarlyConn(connection, singbridge.ToSocksaddr(destination))
 		var handshake bool
 		if timeoutReader, isTimeoutReader := link.Reader.(buf.TimeoutReader); isTimeoutReader {
 			mb, err := timeoutReader.ReadMultiBufferTimeout(time.Millisecond * 100)
@@ -128,17 +128,7 @@ func (o *Outbound) Process(ctx context.Context, link *transport.Link, dialer int
 				return newError("client handshake").Base(err)
 			}
 		}
-		conn := &pipeConnWrapper{
-			W:    link.Writer,
-			Conn: inboundConn,
-		}
-		if ir, ok := link.Reader.(io.Reader); ok {
-			conn.R = ir
-		} else {
-			conn.R = &buf.BufferedReader{Reader: link.Reader}
-		}
-
-		return returnError(bufio.CopyConn(ctx, conn, serverConn))
+		return singbridge.CopyConn(ctx, inboundConn, link, serverConn)
 	} else {
 		var packetConn N.PacketConn
 		if pc, isPacketConn := inboundConn.(N.PacketConn); isPacketConn {
@@ -146,7 +136,7 @@ func (o *Outbound) Process(ctx context.Context, link *transport.Link, dialer int
 		} else if nc, isNetPacket := inboundConn.(net.PacketConn); isNetPacket {
 			packetConn = bufio.NewPacketConn(nc)
 		} else {
-			packetConn = &packetConnWrapper{
+			packetConn = &singbridge.PacketConnWrapper{
 				Reader: link.Reader,
 				Writer: link.Writer,
 				Conn:   inboundConn,
@@ -155,14 +145,14 @@ func (o *Outbound) Process(ctx context.Context, link *transport.Link, dialer int
 		}
 
 		if o.uotClient != nil {
-			uConn, err := o.uotClient.DialEarlyConn(o.method.DialEarlyConn(connection, uot.RequestDestination(o.uotClient.Version)), false, toSocksaddr(destination))
+			uConn, err := o.uotClient.DialEarlyConn(o.method.DialEarlyConn(connection, uot.RequestDestination(o.uotClient.Version)), false, singbridge.ToSocksaddr(destination))
 			if err != nil {
 				return err
 			}
-			return returnError(bufio.CopyPacketConn(ctx, packetConn, uConn))
+			return singbridge.ReturnError(bufio.CopyPacketConn(ctx, packetConn, uConn))
 		} else {
 			serverConn := o.method.DialPacketConn(connection)
-			return returnError(bufio.CopyPacketConn(ctx, packetConn, serverConn))
+			return singbridge.ReturnError(bufio.CopyPacketConn(ctx, packetConn, serverConn))
 		}
 	}
 }

proxy/shadowsocks_2022/shadowsocks_2022.go

@@ -1,145 +1,3 @@
 package shadowsocks_2022
 
-import (
-	"io"
-
-	B "github.com/sagernet/sing/common/buf"
-	E "github.com/sagernet/sing/common/exceptions"
-	M "github.com/sagernet/sing/common/metadata"
-	"github.com/xtls/xray-core/common/buf"
-	"github.com/xtls/xray-core/common/net"
-)
-
 //go:generate go run github.com/xtls/xray-core/common/errors/errorgen
-
-func toDestination(socksaddr M.Socksaddr, network net.Network) net.Destination {
-	if socksaddr.IsFqdn() {
-		return net.Destination{
-			Network: network,
-			Address: net.DomainAddress(socksaddr.Fqdn),
-			Port:    net.Port(socksaddr.Port),
-		}
-	} else {
-		return net.Destination{
-			Network: network,
-			Address: net.IPAddress(socksaddr.Addr.AsSlice()),
-			Port:    net.Port(socksaddr.Port),
-		}
-	}
-}
-
-func toSocksaddr(destination net.Destination) M.Socksaddr {
-	var addr M.Socksaddr
-	switch destination.Address.Family() {
-	case net.AddressFamilyDomain:
-		addr.Fqdn = destination.Address.Domain()
-	default:
-		addr.Addr = M.AddrFromIP(destination.Address.IP())
-	}
-	addr.Port = uint16(destination.Port)
-	return addr
-}
-
-type pipeConnWrapper struct {
-	R io.Reader
-	W buf.Writer
-	net.Conn
-}
-
-func (w *pipeConnWrapper) Close() error {
-	return nil
-}
-
-func (w *pipeConnWrapper) Read(b []byte) (n int, err error) {
-	return w.R.Read(b)
-}
-
-func (w *pipeConnWrapper) Write(p []byte) (n int, err error) {
-	n = len(p)
-	var mb buf.MultiBuffer
-	pLen := len(p)
-	for pLen > 0 {
-		buffer := buf.New()
-		if pLen > buf.Size {
-			_, err = buffer.Write(p[:buf.Size])
-			p = p[buf.Size:]
-		} else {
-			buffer.Write(p)
-		}
-		pLen -= int(buffer.Len())
-		mb = append(mb, buffer)
-	}
-	err = w.W.WriteMultiBuffer(mb)
-	if err != nil {
-		n = 0
-		buf.ReleaseMulti(mb)
-	}
-	return
-}
-
-type packetConnWrapper struct {
-	buf.Reader
-	buf.Writer
-	net.Conn
-	Dest   net.Destination
-	cached buf.MultiBuffer
-}
-
-func (w *packetConnWrapper) ReadPacket(buffer *B.Buffer) (M.Socksaddr, error) {
-	if w.cached != nil {
-		mb, bb := buf.SplitFirst(w.cached)
-		if bb == nil {
-			w.cached = nil
-		} else {
-			buffer.Write(bb.Bytes())
-			w.cached = mb
-			var destination net.Destination
-			if bb.UDP != nil {
-				destination = *bb.UDP
-			} else {
-				destination = w.Dest
-			}
-			bb.Release()
-			return toSocksaddr(destination), nil
-		}
-	}
-	mb, err := w.ReadMultiBuffer()
-	if err != nil {
-		return M.Socksaddr{}, err
-	}
-	nb, bb := buf.SplitFirst(mb)
-	if bb == nil {
-		return M.Socksaddr{}, nil
-	} else {
-		buffer.Write(bb.Bytes())
-		w.cached = nb
-		var destination net.Destination
-		if bb.UDP != nil {
-			destination = *bb.UDP
-		} else {
-			destination = w.Dest
-		}
-		bb.Release()
-		return toSocksaddr(destination), nil
-	}
-}
-
-func (w *packetConnWrapper) WritePacket(buffer *B.Buffer, destination M.Socksaddr) error {
-	vBuf := buf.New()
-	vBuf.Write(buffer.Bytes())
-	endpoint := toDestination(destination, net.Network_UDP)
-	vBuf.UDP = &endpoint
-	return w.Writer.WriteMultiBuffer(buf.MultiBuffer{vBuf})
-}
-
-func (w *packetConnWrapper) Close() error {
-	buf.ReleaseMulti(w.cached)
-	return nil
-}
-
-func returnError(err error) error {
-	if E.IsClosed(err) {
-		return nil
-	}
-	return err
-}