Crazy sekai overturns the small pond
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@@ -105,7 +105,7 @@ func (c *Client) DialContext(ctx context.Context) (net.Conn, error) {
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cancel(err)
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return nil, err
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}
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return NewGRPCConn(stream, cancel), nil
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return NewGRPCConn(stream), nil
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}
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func (c *Client) Close() error {
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@@ -5,7 +5,6 @@ import (
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"os"
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"time"
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"github.com/sagernet/sing/common"
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"github.com/sagernet/sing/common/baderror"
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M "github.com/sagernet/sing/common/metadata"
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N "github.com/sagernet/sing/common/network"
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@@ -15,17 +14,15 @@ var _ net.Conn = (*GRPCConn)(nil)
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type GRPCConn struct {
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GunService
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cancel common.ContextCancelCauseFunc
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cache []byte
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cache []byte
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}
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func NewGRPCConn(service GunService, cancel common.ContextCancelCauseFunc) *GRPCConn {
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func NewGRPCConn(service GunService) *GRPCConn {
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if client, isClient := service.(GunService_TunClient); isClient {
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service = &clientConnWrapper{client}
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}
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return &GRPCConn{
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GunService: service,
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cancel: cancel,
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}
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}
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@@ -38,7 +35,6 @@ func (c *GRPCConn) Read(b []byte) (n int, err error) {
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hunk, err := c.Recv()
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err = baderror.WrapGRPC(err)
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if err != nil {
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c.cancel(err)
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return
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}
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n = copy(b, hunk.Data)
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@@ -51,14 +47,12 @@ func (c *GRPCConn) Read(b []byte) (n int, err error) {
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func (c *GRPCConn) Write(b []byte) (n int, err error) {
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err = baderror.WrapGRPC(c.Send(&Hunk{Data: b}))
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if err != nil {
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c.cancel(err)
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return
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}
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return len(b), nil
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}
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func (c *GRPCConn) Close() error {
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c.cancel(net.ErrClosed)
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return nil
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}
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@@ -9,8 +9,10 @@ import (
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"github.com/sagernet/sing-box/adapter"
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"github.com/sagernet/sing-box/common/tls"
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"github.com/sagernet/sing-box/log"
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"github.com/sagernet/sing-box/option"
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"github.com/sagernet/sing/common"
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"github.com/sagernet/sing/common/logger"
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M "github.com/sagernet/sing/common/metadata"
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N "github.com/sagernet/sing/common/network"
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@@ -25,11 +27,12 @@ var _ adapter.V2RayServerTransport = (*Server)(nil)
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type Server struct {
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ctx context.Context
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handler N.TCPConnectionHandler
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logger logger.ContextLogger
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handler adapter.V2RayServerTransportHandler
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server *grpc.Server
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}
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func NewServer(ctx context.Context, options option.V2RayGRPCOptions, tlsConfig tls.ServerConfig, handler N.TCPConnectionHandler) (*Server, error) {
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func NewServer(ctx context.Context, logger logger.ContextLogger, options option.V2RayGRPCOptions, tlsConfig tls.ServerConfig, handler adapter.V2RayServerTransportHandler) (*Server, error) {
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var serverOptions []grpc.ServerOption
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if tlsConfig != nil {
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if !common.Contains(tlsConfig.NextProtos(), http2.NextProtoTLS) {
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@@ -43,17 +46,16 @@ func NewServer(ctx context.Context, options option.V2RayGRPCOptions, tlsConfig t
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Timeout: time.Duration(options.PingTimeout),
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}))
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}
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server := &Server{ctx, handler, grpc.NewServer(serverOptions...)}
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server := &Server{ctx, logger, handler, grpc.NewServer(serverOptions...)}
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RegisterGunServiceCustomNameServer(server.server, server, options.ServiceName)
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return server, nil
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}
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func (s *Server) Tun(server GunService_TunServer) error {
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ctx, cancel := common.ContextWithCancelCause(s.ctx)
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conn := NewGRPCConn(server, cancel)
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var metadata M.Metadata
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conn := NewGRPCConn(server)
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var source M.Socksaddr
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if remotePeer, loaded := peer.FromContext(server.Context()); loaded {
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metadata.Source = M.SocksaddrFromNet(remotePeer.Addr)
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source = M.SocksaddrFromNet(remotePeer.Addr)
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}
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if grpcMetadata, loaded := gM.FromIncomingContext(server.Context()); loaded {
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forwardFrom := strings.Join(grpcMetadata.Get("X-Forwarded-For"), ",")
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@@ -61,13 +63,16 @@ func (s *Server) Tun(server GunService_TunServer) error {
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for _, from := range strings.Split(forwardFrom, ",") {
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originAddr := M.ParseSocksaddr(from)
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if originAddr.IsValid() {
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metadata.Source = originAddr.Unwrap()
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source = originAddr.Unwrap()
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}
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}
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}
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}
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go s.handler.NewConnection(ctx, conn, metadata)
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<-ctx.Done()
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done := make(chan struct{})
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go s.handler.NewConnectionEx(log.ContextWithNewID(s.ctx), conn, source, M.Socksaddr{}, N.OnceClose(func(it error) {
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close(done)
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}))
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<-done
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return nil
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}
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