refactor: Modular inbounds/outbounds
This commit is contained in:
世界
157
protocol/tuic/inbound.go
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157
protocol/tuic/inbound.go
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@@ -0,0 +1,157 @@
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package tuic
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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/adapter/inbound"
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"github.com/sagernet/sing-box/common/listener"
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"github.com/sagernet/sing-box/common/tls"
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"github.com/sagernet/sing-box/common/uot"
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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-quic/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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func RegisterInbound(registry *inbound.Registry) {
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inbound.Register[option.TUICInboundOptions](registry, C.TypeTUIC, NewInbound)
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}
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type Inbound struct {
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inbound.Adapter
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router adapter.ConnectionRouterEx
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logger log.ContextLogger
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listener *listener.Listener
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tlsConfig tls.ServerConfig
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server *tuic.Service[int]
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userNameList []string
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}
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func NewInbound(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.TUICInboundOptions) (adapter.Inbound, 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, 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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inbound := &Inbound{
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Adapter: inbound.NewAdapter(C.TypeTUIC, tag),
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router: uot.NewRouter(router, logger),
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logger: logger,
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listener: listener.New(listener.Options{
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Context: ctx,
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Logger: logger,
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Listen: options.ListenOptions,
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}),
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tlsConfig: tlsConfig,
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}
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var udpTimeout time.Duration
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if options.UDPTimeout != 0 {
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udpTimeout = time.Duration(options.UDPTimeout)
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} else {
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udpTimeout = C.UDPTimeout
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}
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service, err := tuic.NewService[int](tuic.ServiceOptions{
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Context: ctx,
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Logger: logger,
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TLSConfig: tlsConfig,
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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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UDPTimeout: udpTimeout,
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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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var userList []int
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var userNameList []string
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var userUUIDList [][16]byte
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var userPasswordList []string
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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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userList = append(userList, index)
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userNameList = append(userNameList, user.Name)
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userUUIDList = append(userUUIDList, userUUID)
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userPasswordList = append(userPasswordList, user.Password)
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}
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service.UpdateUsers(userList, userUUIDList, userPasswordList)
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inbound.server = service
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inbound.userNameList = userNameList
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return inbound, nil
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}
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func (h *Inbound) newConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
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ctx = log.ContextWithNewID(ctx)
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metadata.Inbound = h.Tag()
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metadata.InboundType = h.Type()
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metadata.InboundDetour = h.listener.ListenOptions().Detour
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metadata.InboundOptions = h.listener.ListenOptions().InboundOptions
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h.logger.InfoContext(ctx, "inbound connection from ", metadata.Source)
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userID, _ := auth.UserFromContext[int](ctx)
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if userName := h.userNameList[userID]; userName != "" {
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metadata.User = userName
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h.logger.InfoContext(ctx, "[", userName, "] inbound connection to ", metadata.Destination)
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} else {
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h.logger.InfoContext(ctx, "inbound connection to ", metadata.Destination)
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}
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return h.router.RouteConnection(ctx, conn, metadata)
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}
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func (h *Inbound) newPacketConnection(ctx context.Context, conn N.PacketConn, metadata adapter.InboundContext) error {
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ctx = log.ContextWithNewID(ctx)
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metadata.Inbound = h.Tag()
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metadata.InboundType = h.Type()
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metadata.InboundDetour = h.listener.ListenOptions().Detour
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metadata.InboundOptions = h.listener.ListenOptions().InboundOptions
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metadata.OriginDestination = h.listener.UDPAddr()
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h.logger.InfoContext(ctx, "inbound packet connection from ", metadata.Source)
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userID, _ := auth.UserFromContext[int](ctx)
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if userName := h.userNameList[userID]; userName != "" {
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metadata.User = userName
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h.logger.InfoContext(ctx, "[", userName, "] inbound packet connection to ", metadata.Destination)
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} else {
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h.logger.InfoContext(ctx, "inbound packet connection to ", metadata.Destination)
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}
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return h.router.RoutePacketConnection(ctx, conn, metadata)
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}
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func (h *Inbound) 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.listener.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 *Inbound) Close() error {
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return common.Close(
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&h.listener,
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h.tlsConfig,
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common.PtrOrNil(h.server),
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)
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}
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141
protocol/tuic/outbound.go
Normal file
141
protocol/tuic/outbound.go
Normal file
@@ -0,0 +1,141 @@
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package tuic
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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/adapter/outbound"
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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-quic/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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"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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"github.com/sagernet/sing/common/uot"
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"github.com/gofrs/uuid/v5"
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)
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func RegisterOutbound(registry *outbound.Registry) {
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outbound.Register[option.TUICOutboundOptions](registry, C.TypeTUIC, NewOutbound)
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}
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var _ adapter.InterfaceUpdateListener = (*Outbound)(nil)
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type Outbound struct {
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outbound.Adapter
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logger logger.ContextLogger
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client *tuic.Client
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udpStream bool
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}
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func NewOutbound(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.TUICOutboundOptions) (adapter.Outbound, 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.NewClient(ctx, 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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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 tuicUDPStream bool
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if options.UDPOverStream && options.UDPRelayMode != "" {
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return nil, E.New("udp_over_stream is conflict with udp_relay_mode")
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}
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switch options.UDPRelayMode {
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case "native":
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case "quic":
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tuicUDPStream = 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: tuicUDPStream,
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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 &Outbound{
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Adapter: outbound.NewAdapterWithDialerOptions(C.TypeTUIC, options.Network.Build(), tag, options.DialerOptions),
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logger: logger,
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client: client,
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udpStream: options.UDPOverStream,
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}, nil
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}
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func (h *Outbound) 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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if h.udpStream {
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h.logger.InfoContext(ctx, "outbound stream packet connection to ", destination)
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streamConn, err := h.client.DialConn(ctx, uot.RequestDestination(uot.Version))
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if err != nil {
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return nil, err
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}
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return uot.NewLazyConn(streamConn, uot.Request{
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IsConnect: true,
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Destination: destination,
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}), nil
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} else {
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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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}
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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 *Outbound) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
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if h.udpStream {
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h.logger.InfoContext(ctx, "outbound stream packet connection to ", destination)
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streamConn, err := h.client.DialConn(ctx, uot.RequestDestination(uot.Version))
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if err != nil {
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return nil, err
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}
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return uot.NewLazyConn(streamConn, uot.Request{
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IsConnect: false,
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Destination: destination,
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}), nil
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} else {
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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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}
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func (h *Outbound) InterfaceUpdated() {
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_ = h.client.CloseWithError(E.New("network changed"))
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}
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func (h *Outbound) Close() error {
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return h.client.CloseWithError(os.ErrClosed)
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}
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