mirror of
https://github.com/SagerNet/sing-box.git
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121 lines
3.4 KiB
Go
121 lines
3.4 KiB
Go
//go:build with_quic
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package inbound
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import (
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"context"
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"net"
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"time"
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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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C "github.com/sagernet/sing-box/constant"
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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-box/transport/tuic"
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"github.com/sagernet/sing/common"
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"github.com/sagernet/sing/common/auth"
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E "github.com/sagernet/sing/common/exceptions"
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N "github.com/sagernet/sing/common/network"
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"github.com/gofrs/uuid/v5"
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)
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var _ adapter.Inbound = (*TUIC)(nil)
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type TUIC struct {
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myInboundAdapter
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server *tuic.Server
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tlsConfig tls.ServerConfig
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}
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func NewTUIC(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.TUICInboundOptions) (*TUIC, error) {
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options.UDPFragmentDefault = true
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if options.TLS == nil || !options.TLS.Enabled {
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return nil, C.ErrTLSRequired
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}
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tlsConfig, err := tls.NewServer(ctx, router, logger, common.PtrValueOrDefault(options.TLS))
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if err != nil {
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return nil, err
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}
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rawConfig, err := tlsConfig.Config()
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if err != nil {
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return nil, err
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}
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var users []tuic.User
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for index, user := range options.Users {
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if user.UUID == "" {
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return nil, E.New("missing uuid for user ", index)
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}
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userUUID, err := uuid.FromString(user.UUID)
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if err != nil {
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return nil, E.Cause(err, "invalid uuid for user ", index)
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}
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users = append(users, tuic.User{Name: user.Name, UUID: userUUID, Password: user.Password})
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}
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inbound := &TUIC{
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myInboundAdapter: myInboundAdapter{
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protocol: C.TypeTUIC,
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network: []string{N.NetworkUDP},
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ctx: ctx,
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router: router,
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logger: logger,
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tag: tag,
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listenOptions: options.ListenOptions,
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},
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}
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server, err := tuic.NewServer(tuic.ServerOptions{
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Context: ctx,
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Logger: logger,
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TLSConfig: rawConfig,
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Users: users,
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CongestionControl: options.CongestionControl,
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AuthTimeout: time.Duration(options.AuthTimeout),
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ZeroRTTHandshake: options.ZeroRTTHandshake,
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Heartbeat: time.Duration(options.Heartbeat),
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Handler: adapter.NewUpstreamHandler(adapter.InboundContext{}, inbound.newConnection, inbound.newPacketConnection, nil),
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})
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if err != nil {
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return nil, err
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}
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inbound.server = server
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return inbound, nil
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}
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func (h *TUIC) newConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
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ctx = log.ContextWithNewID(ctx)
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h.logger.InfoContext(ctx, "inbound connection to ", metadata.Destination)
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metadata = h.createMetadata(conn, metadata)
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metadata.User, _ = auth.UserFromContext[string](ctx)
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return h.router.RouteConnection(ctx, conn, metadata)
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}
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func (h *TUIC) newPacketConnection(ctx context.Context, conn N.PacketConn, metadata adapter.InboundContext) error {
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ctx = log.ContextWithNewID(ctx)
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metadata = h.createPacketMetadata(conn, metadata)
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metadata.User, _ = auth.UserFromContext[string](ctx)
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h.logger.InfoContext(ctx, "inbound packet connection to ", metadata.Destination)
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return h.router.RoutePacketConnection(ctx, conn, metadata)
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}
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func (h *TUIC) Start() error {
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if h.tlsConfig != nil {
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err := h.tlsConfig.Start()
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if err != nil {
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return err
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}
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}
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packetConn, err := h.myInboundAdapter.ListenUDP()
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if err != nil {
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return err
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}
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return h.server.Start(packetConn)
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}
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func (h *TUIC) Close() error {
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return common.Close(
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&h.myInboundAdapter,
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common.PtrOrNil(h.server),
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)
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}
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