Bump version

adapter/upstream.go

@@ -38,13 +38,25 @@ type myUpstreamHandlerWrapper struct {
 }
 
 func (w *myUpstreamHandlerWrapper) NewConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error {
-	w.metadata.Destination = metadata.Destination
+	myMetadata := w.metadata
-	return w.connectionHandler(ctx, conn, w.metadata)
+	if metadata.Source.IsValid() {
+		myMetadata.Source = metadata.Source
+	}
+	if metadata.Destination.IsValid() {
+		myMetadata.Destination = metadata.Destination
+	}
+	return w.connectionHandler(ctx, conn, myMetadata)
 }
 
 func (w *myUpstreamHandlerWrapper) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata M.Metadata) error {
-	w.metadata.Destination = metadata.Destination
+	myMetadata := w.metadata
-	return w.packetHandler(ctx, conn, w.metadata)
+	if metadata.Source.IsValid() {
+		myMetadata.Source = metadata.Source
+	}
+	if metadata.Destination.IsValid() {
+		myMetadata.Destination = metadata.Destination
+	}
+	return w.packetHandler(ctx, conn, myMetadata)
 }
 
 func (w *myUpstreamHandlerWrapper) NewError(ctx context.Context, err error) {
@@ -78,13 +90,23 @@ func NewUpstreamContextHandler(
 
 func (w *myUpstreamContextHandlerWrapper) NewConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error {
 	myMetadata := ContextFrom(ctx)
-	myMetadata.Destination = metadata.Destination
+	if metadata.Source.IsValid() {
+		myMetadata.Source = metadata.Source
+	}
+	if metadata.Destination.IsValid() {
+		myMetadata.Destination = metadata.Destination
+	}
 	return w.connectionHandler(ctx, conn, *myMetadata)
 }
 
 func (w *myUpstreamContextHandlerWrapper) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata M.Metadata) error {
 	myMetadata := ContextFrom(ctx)
-	myMetadata.Destination = metadata.Destination
+	if metadata.Source.IsValid() {
+		myMetadata.Source = metadata.Source
+	}
+	if metadata.Destination.IsValid() {
+		myMetadata.Destination = metadata.Destination
+	}
 	return w.packetHandler(ctx, conn, *myMetadata)
 }
 

constant/version.go

@@ -1,6 +1,6 @@
 package constant
 
 var (
-	Version = "1.0.4"
+	Version = "1.0.5"
 	Commit  = ""
 )

outbound/socks.go

@@ -74,7 +74,7 @@ func (h *Socks) DialContext(ctx context.Context, network string, destination M.S
 	default:
 		return nil, E.Extend(N.ErrUnknownNetwork, network)
 	}
-	if destination.IsFqdn() {
+	if h.resolve && destination.IsFqdn() {
 		addrs, err := h.router.LookupDefault(ctx, destination.Fqdn)
 		if err != nil {
 			return nil, err

transport/v2raygrpc/server.go

@@ -5,6 +5,7 @@ import (
 	"crypto/tls"
 	"net"
 	"os"
+	"strings"
 
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/option"
@@ -13,6 +14,8 @@ import (
 
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials"
+	gM "google.golang.org/grpc/metadata"
+	"google.golang.org/grpc/peer"
 )
 
 var _ adapter.V2RayServerTransport = (*Server)(nil)
@@ -37,7 +40,22 @@ func NewServer(ctx context.Context, options option.V2RayGRPCOptions, tlsConfig *
 func (s *Server) Tun(server GunService_TunServer) error {
 	ctx, cancel := context.WithCancel(s.ctx)
 	conn := NewGRPCConn(server, cancel)
-	go s.handler.NewConnection(ctx, conn, M.Metadata{})
+	var metadata M.Metadata
+	if remotePeer, loaded := peer.FromContext(server.Context()); loaded {
+		metadata.Source = M.SocksaddrFromNet(remotePeer.Addr)
+	}
+	if grpcMetadata, loaded := gM.FromIncomingContext(server.Context()); loaded {
+		forwardFrom := strings.Join(grpcMetadata.Get("X-Forwarded-For"), ",")
+		if forwardFrom != "" {
+			for _, from := range strings.Split(forwardFrom, ",") {
+				originAddr := M.ParseSocksaddr(from)
+				if originAddr.IsValid() {
+					metadata.Source = originAddr.Unwrap()
+				}
+			}
+		}
+	}
+	go s.handler.NewConnection(ctx, conn, metadata)
 	<-ctx.Done()
 	return nil
 }