mirror of
https://github.com/SagerNet/sing-box.git
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128 lines
3.5 KiB
Go
128 lines
3.5 KiB
Go
//go:build with_quic
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package outbound
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import (
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"context"
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"net"
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"os"
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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/dialer"
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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/bufio"
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E "github.com/sagernet/sing/common/exceptions"
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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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"github.com/gofrs/uuid/v5"
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)
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var (
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_ adapter.Outbound = (*TUIC)(nil)
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_ adapter.InterfaceUpdateListener = (*TUIC)(nil)
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)
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type TUIC struct {
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myOutboundAdapter
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client *tuic.Client
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}
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func NewTUIC(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.TUICOutboundOptions) (*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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abstractTLSConfig, err := tls.NewClient(router, options.Server, 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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tlsConfig, err := abstractTLSConfig.Config()
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if err != nil {
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return nil, err
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}
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userUUID, err := uuid.FromString(options.UUID)
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if err != nil {
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return nil, E.Cause(err, "invalid uuid")
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}
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var udpStream bool
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switch options.UDPRelayMode {
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case "native":
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case "quic":
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udpStream = true
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}
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outboundDialer, err := dialer.New(router, options.DialerOptions)
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if err != nil {
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return nil, err
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}
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client, err := tuic.NewClient(tuic.ClientOptions{
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Context: ctx,
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Dialer: outboundDialer,
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ServerAddress: options.ServerOptions.Build(),
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TLSConfig: tlsConfig,
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UUID: userUUID,
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Password: options.Password,
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CongestionControl: options.CongestionControl,
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UDPStream: udpStream,
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ZeroRTTHandshake: options.ZeroRTTHandshake,
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Heartbeat: time.Duration(options.Heartbeat),
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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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return &TUIC{
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myOutboundAdapter: myOutboundAdapter{
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protocol: C.TypeTUIC,
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network: options.Network.Build(),
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router: router,
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logger: logger,
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tag: tag,
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dependencies: withDialerDependency(options.DialerOptions),
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},
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client: client,
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}, nil
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}
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func (h *TUIC) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
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switch N.NetworkName(network) {
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case N.NetworkTCP:
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h.logger.InfoContext(ctx, "outbound connection to ", destination)
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return h.client.DialConn(ctx, destination)
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case N.NetworkUDP:
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conn, err := h.ListenPacket(ctx, destination)
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if err != nil {
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return nil, err
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}
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return bufio.NewBindPacketConn(conn, destination), nil
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default:
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return nil, E.New("unsupported network: ", network)
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}
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}
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func (h *TUIC) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
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h.logger.InfoContext(ctx, "outbound packet connection to ", destination)
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return h.client.ListenPacket(ctx)
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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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return NewConnection(ctx, h, 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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return NewPacketConnection(ctx, h, conn, metadata)
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}
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func (h *TUIC) InterfaceUpdated() {
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_ = h.client.CloseWithError(E.New("network changed"))
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}
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func (h *TUIC) Close() error {
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return h.client.CloseWithError(os.ErrClosed)
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}
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