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refactor: Modular inbounds/outbounds
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世界
parent
9f7683818f
commit
e233fd4fe5
152 changed files with 3116 additions and 2926 deletions
205
protocol/vmess/outbound.go
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205
protocol/vmess/outbound.go
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@ -0,0 +1,205 @@
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package vmess
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import (
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"context"
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"net"
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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/mux"
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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/v2ray"
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"github.com/sagernet/sing-vmess"
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"github.com/sagernet/sing-vmess/packetaddr"
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"github.com/sagernet/sing/common"
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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/ntp"
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)
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func RegisterOutbound(registry *outbound.Registry) {
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outbound.Register[option.VMessOutboundOptions](registry, C.TypeVMess, NewOutbound)
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}
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type Outbound struct {
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outbound.Adapter
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logger logger.ContextLogger
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dialer N.Dialer
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client *vmess.Client
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serverAddr M.Socksaddr
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multiplexDialer *mux.Client
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tlsConfig tls.Config
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transport adapter.V2RayClientTransport
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packetAddr bool
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xudp bool
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}
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func NewOutbound(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.VMessOutboundOptions) (adapter.Outbound, error) {
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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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outbound := &Outbound{
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Adapter: outbound.NewAdapterWithDialerOptions(C.TypeVMess, options.Network.Build(), tag, options.DialerOptions),
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logger: logger,
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dialer: outboundDialer,
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serverAddr: options.ServerOptions.Build(),
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}
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if options.TLS != nil {
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outbound.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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}
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if options.Transport != nil {
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outbound.transport, err = v2ray.NewClientTransport(ctx, outbound.dialer, outbound.serverAddr, common.PtrValueOrDefault(options.Transport), outbound.tlsConfig)
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if err != nil {
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return nil, E.Cause(err, "create client transport: ", options.Transport.Type)
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}
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}
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outbound.multiplexDialer, err = mux.NewClientWithOptions((*vmessDialer)(outbound), logger, common.PtrValueOrDefault(options.Multiplex))
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if err != nil {
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return nil, err
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}
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switch options.PacketEncoding {
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case "":
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case "packetaddr":
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outbound.packetAddr = true
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case "xudp":
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outbound.xudp = true
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default:
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return nil, E.New("unknown packet encoding: ", options.PacketEncoding)
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}
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var clientOptions []vmess.ClientOption
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if timeFunc := ntp.TimeFuncFromContext(ctx); timeFunc != nil {
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clientOptions = append(clientOptions, vmess.ClientWithTimeFunc(timeFunc))
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}
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if options.GlobalPadding {
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clientOptions = append(clientOptions, vmess.ClientWithGlobalPadding())
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}
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if options.AuthenticatedLength {
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clientOptions = append(clientOptions, vmess.ClientWithAuthenticatedLength())
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}
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security := options.Security
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if security == "" {
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security = "auto"
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}
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if security == "auto" && outbound.tlsConfig != nil {
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security = "zero"
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}
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client, err := vmess.NewClient(options.UUID, security, options.AlterId, clientOptions...)
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if err != nil {
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return nil, err
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}
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outbound.client = client
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return outbound, nil
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}
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func (h *Outbound) InterfaceUpdated() {
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if h.transport != nil {
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h.transport.Close()
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}
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if h.multiplexDialer != nil {
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h.multiplexDialer.Reset()
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}
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return
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}
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func (h *Outbound) Close() error {
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return common.Close(common.PtrOrNil(h.multiplexDialer), h.transport)
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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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if h.multiplexDialer == nil {
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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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case N.NetworkUDP:
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h.logger.InfoContext(ctx, "outbound packet connection to ", destination)
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}
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return (*vmessDialer)(h).DialContext(ctx, network, destination)
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} else {
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switch N.NetworkName(network) {
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case N.NetworkTCP:
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h.logger.InfoContext(ctx, "outbound multiplex connection to ", destination)
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case N.NetworkUDP:
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h.logger.InfoContext(ctx, "outbound multiplex packet connection to ", destination)
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}
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return h.multiplexDialer.DialContext(ctx, network, destination)
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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.multiplexDialer == nil {
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h.logger.InfoContext(ctx, "outbound packet connection to ", destination)
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return (*vmessDialer)(h).ListenPacket(ctx, destination)
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} else {
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h.logger.InfoContext(ctx, "outbound multiplex packet connection to ", destination)
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return h.multiplexDialer.ListenPacket(ctx, destination)
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}
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}
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type vmessDialer Outbound
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func (h *vmessDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
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ctx, metadata := adapter.ExtendContext(ctx)
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metadata.Outbound = h.Tag()
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metadata.Destination = destination
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var conn net.Conn
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var err error
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if h.transport != nil {
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conn, err = h.transport.DialContext(ctx)
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} else {
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conn, err = h.dialer.DialContext(ctx, N.NetworkTCP, h.serverAddr)
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if err == nil && h.tlsConfig != nil {
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conn, err = tls.ClientHandshake(ctx, conn, h.tlsConfig)
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}
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}
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if err != nil {
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common.Close(conn)
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return nil, err
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}
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switch N.NetworkName(network) {
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case N.NetworkTCP:
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return h.client.DialEarlyConn(conn, destination), nil
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case N.NetworkUDP:
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return h.client.DialEarlyPacketConn(conn, destination), nil
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default:
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return nil, E.Extend(N.ErrUnknownNetwork, network)
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}
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}
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func (h *vmessDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
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ctx, metadata := adapter.ExtendContext(ctx)
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metadata.Outbound = h.Tag()
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metadata.Destination = destination
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var conn net.Conn
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var err error
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if h.transport != nil {
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conn, err = h.transport.DialContext(ctx)
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} else {
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conn, err = h.dialer.DialContext(ctx, N.NetworkTCP, h.serverAddr)
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if err == nil && h.tlsConfig != nil {
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conn, err = tls.ClientHandshake(ctx, conn, h.tlsConfig)
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}
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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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if h.packetAddr {
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if destination.IsFqdn() {
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return nil, E.New("packetaddr: domain destination is not supported")
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}
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return packetaddr.NewConn(h.client.DialEarlyPacketConn(conn, M.Socksaddr{Fqdn: packetaddr.SeqPacketMagicAddress}), destination), nil
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} else if h.xudp {
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return h.client.DialEarlyXUDPPacketConn(conn, destination), nil
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} else {
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return h.client.DialEarlyPacketConn(conn, destination), nil
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}
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}
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