mirror of
https://github.com/SagerNet/sing-box.git
synced 2026-04-14 20:58:33 +10:00
refactor: Modular inbounds/outbounds
This commit is contained in:
世界
179
protocol/shadowsocks/inbound.go
Normal file
179
protocol/shadowsocks/inbound.go
Normal file
@@ -0,0 +1,179 @@
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package shadowsocks
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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/mux"
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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-shadowsocks"
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"github.com/sagernet/sing-shadowsocks/shadowaead"
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"github.com/sagernet/sing-shadowsocks/shadowaead_2022"
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"github.com/sagernet/sing/common"
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"github.com/sagernet/sing/common/buf"
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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 RegisterInbound(registry *inbound.Registry) {
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inbound.Register[option.ShadowsocksInboundOptions](registry, C.TypeShadowsocks, NewInbound)
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}
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func NewInbound(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.ShadowsocksInboundOptions) (adapter.Inbound, error) {
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if len(options.Users) > 0 && len(options.Destinations) > 0 {
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return nil, E.New("users and destinations options must not be combined")
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}
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if len(options.Users) > 0 {
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return newMultiInbound(ctx, router, logger, tag, options)
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} else if len(options.Destinations) > 0 {
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return newRelayInbound(ctx, router, logger, tag, options)
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} else {
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return newInbound(ctx, router, logger, tag, options)
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}
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}
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var _ adapter.TCPInjectableInbound = (*Inbound)(nil)
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type Inbound struct {
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inbound.Adapter
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ctx context.Context
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router adapter.ConnectionRouterEx
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logger logger.ContextLogger
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listener *listener.Listener
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service shadowsocks.Service
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}
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func newInbound(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.ShadowsocksInboundOptions) (*Inbound, error) {
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inbound := &Inbound{
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Adapter: inbound.NewAdapter(C.TypeShadowsocks, tag),
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ctx: ctx,
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router: uot.NewRouter(router, logger),
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logger: logger,
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}
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var err error
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inbound.router, err = mux.NewRouterWithOptions(router, 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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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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switch {
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case options.Method == shadowsocks.MethodNone:
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inbound.service = shadowsocks.NewNoneService(int64(udpTimeout.Seconds()), adapter.NewUpstreamHandler(adapter.InboundContext{}, inbound.newConnection, inbound.newPacketConnection, inbound))
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case common.Contains(shadowaead.List, options.Method):
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inbound.service, err = shadowaead.NewService(options.Method, nil, options.Password, int64(udpTimeout.Seconds()), adapter.NewUpstreamHandler(adapter.InboundContext{}, inbound.newConnection, inbound.newPacketConnection, inbound))
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case common.Contains(shadowaead_2022.List, options.Method):
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inbound.service, err = shadowaead_2022.NewServiceWithPassword(options.Method, options.Password, int64(udpTimeout.Seconds()), adapter.NewUpstreamHandler(adapter.InboundContext{}, inbound.newConnection, inbound.newPacketConnection, inbound), ntp.TimeFuncFromContext(ctx))
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default:
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err = E.New("unsupported method: ", options.Method)
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}
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inbound.listener = listener.New(listener.Options{
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Context: ctx,
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Logger: logger,
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Network: options.Network.Build(),
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Listen: options.ListenOptions,
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ConnectionHandler: inbound,
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PacketHandler: inbound,
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ThreadUnsafePacketWriter: true,
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})
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return inbound, err
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}
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func (h *Inbound) Start() error {
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return h.listener.Start()
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}
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func (h *Inbound) Close() error {
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return h.listener.Close()
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}
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func (h *Inbound) NewConnectionEx(ctx context.Context, conn net.Conn, metadata adapter.InboundContext, onClose N.CloseHandlerFunc) {
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err := h.service.NewConnection(ctx, conn, adapter.UpstreamMetadata(metadata))
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N.CloseOnHandshakeFailure(conn, onClose, err)
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if err != nil {
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h.logger.ErrorContext(ctx, E.Cause(err, "process connection from ", metadata.Source))
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}
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}
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func (h *Inbound) NewPacketEx(buffer *buf.Buffer, source M.Socksaddr) {
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err := h.service.NewPacket(h.ctx, &stubPacketConn{h.listener.PacketWriter()}, buffer, M.Metadata{Source: source})
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if err != nil {
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h.logger.Error(E.Cause(err, "process packet from ", source))
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}
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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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h.logger.InfoContext(ctx, "inbound connection to ", metadata.Destination)
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metadata.Inbound = h.Tag()
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metadata.InboundType = h.Type()
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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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h.logger.InfoContext(ctx, "inbound packet connection from ", metadata.Source)
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h.logger.InfoContext(ctx, "inbound packet connection to ", metadata.Destination)
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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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return h.router.RoutePacketConnection(ctx, conn, metadata)
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}
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var _ N.PacketConn = (*stubPacketConn)(nil)
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type stubPacketConn struct {
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N.PacketWriter
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}
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func (c *stubPacketConn) ReadPacket(buffer *buf.Buffer) (destination M.Socksaddr, err error) {
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panic("stub!")
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}
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func (c *stubPacketConn) Close() error {
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return nil
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}
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func (c *stubPacketConn) LocalAddr() net.Addr {
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panic("stub!")
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}
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func (c *stubPacketConn) SetDeadline(t time.Time) error {
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panic("stub!")
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}
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func (c *stubPacketConn) SetReadDeadline(t time.Time) error {
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panic("stub!")
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}
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func (c *stubPacketConn) SetWriteDeadline(t time.Time) error {
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panic("stub!")
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}
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func (h *Inbound) NewError(ctx context.Context, err error) {
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NewError(h.logger, ctx, err)
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}
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// Deprecated: remove
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func NewError(logger logger.ContextLogger, ctx context.Context, err error) {
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common.Close(err)
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if E.IsClosedOrCanceled(err) {
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logger.DebugContext(ctx, "connection closed: ", err)
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return
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}
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logger.ErrorContext(ctx, err)
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}
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167
protocol/shadowsocks/inbound_multi.go
Normal file
167
protocol/shadowsocks/inbound_multi.go
Normal file
@@ -0,0 +1,167 @@
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package shadowsocks
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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/inbound"
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"github.com/sagernet/sing-box/common/listener"
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"github.com/sagernet/sing-box/common/mux"
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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-shadowsocks"
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"github.com/sagernet/sing-shadowsocks/shadowaead"
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"github.com/sagernet/sing-shadowsocks/shadowaead_2022"
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"github.com/sagernet/sing/common"
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"github.com/sagernet/sing/common/auth"
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"github.com/sagernet/sing/common/buf"
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E "github.com/sagernet/sing/common/exceptions"
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F "github.com/sagernet/sing/common/format"
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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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var _ adapter.TCPInjectableInbound = (*MultiInbound)(nil)
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type MultiInbound struct {
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inbound.Adapter
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ctx context.Context
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router adapter.ConnectionRouterEx
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logger logger.ContextLogger
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listener *listener.Listener
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service shadowsocks.MultiService[int]
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users []option.ShadowsocksUser
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}
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func newMultiInbound(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.ShadowsocksInboundOptions) (*MultiInbound, error) {
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inbound := &MultiInbound{
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Adapter: inbound.NewAdapter(C.TypeShadowsocks, tag),
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ctx: ctx,
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router: uot.NewRouter(router, logger),
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logger: logger,
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}
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var err error
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inbound.router, err = mux.NewRouterWithOptions(inbound.router, 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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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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var service shadowsocks.MultiService[int]
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if common.Contains(shadowaead_2022.List, options.Method) {
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service, err = shadowaead_2022.NewMultiServiceWithPassword[int](
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options.Method,
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options.Password,
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int64(udpTimeout.Seconds()),
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adapter.NewUpstreamHandler(adapter.InboundContext{}, inbound.newConnection, inbound.newPacketConnection, inbound),
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ntp.TimeFuncFromContext(ctx),
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)
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} else if common.Contains(shadowaead.List, options.Method) {
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service, err = shadowaead.NewMultiService[int](
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options.Method,
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int64(udpTimeout.Seconds()),
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adapter.NewUpstreamHandler(adapter.InboundContext{}, inbound.newConnection, inbound.newPacketConnection, inbound),
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)
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} else {
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return nil, E.New("unsupported method: " + options.Method)
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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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err = service.UpdateUsersWithPasswords(common.MapIndexed(options.Users, func(index int, user option.ShadowsocksUser) int {
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return index
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}), common.Map(options.Users, func(user option.ShadowsocksUser) string {
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return user.Password
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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.service = service
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inbound.users = options.Users
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inbound.listener = listener.New(listener.Options{
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Context: ctx,
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Logger: logger,
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Network: options.Network.Build(),
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Listen: options.ListenOptions,
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ConnectionHandler: inbound,
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PacketHandler: inbound,
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ThreadUnsafePacketWriter: true,
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})
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return inbound, err
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}
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func (h *MultiInbound) Start() error {
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return h.listener.Start()
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}
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func (h *MultiInbound) Close() error {
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return h.listener.Close()
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}
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func (h *MultiInbound) NewConnectionEx(ctx context.Context, conn net.Conn, metadata adapter.InboundContext, onClose N.CloseHandlerFunc) {
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err := h.service.NewConnection(ctx, conn, adapter.UpstreamMetadata(metadata))
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N.CloseOnHandshakeFailure(conn, onClose, err)
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if err != nil {
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h.logger.ErrorContext(ctx, E.Cause(err, "process connection from ", metadata.Source))
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}
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}
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func (h *MultiInbound) NewPacketEx(buffer *buf.Buffer, source M.Socksaddr) {
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err := h.service.NewPacket(h.ctx, &stubPacketConn{h.listener.PacketWriter()}, buffer, M.Metadata{Source: source})
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if err != nil {
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h.logger.Error(E.Cause(err, "process packet from ", source))
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}
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}
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func (h *MultiInbound) newConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
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userIndex, loaded := auth.UserFromContext[int](ctx)
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if !loaded {
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return os.ErrInvalid
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}
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user := h.users[userIndex].Name
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if user == "" {
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user = F.ToString(userIndex)
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} else {
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metadata.User = user
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}
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h.logger.InfoContext(ctx, "[", user, "] inbound connection to ", metadata.Destination)
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metadata.Inbound = h.Tag()
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metadata.InboundType = h.Type()
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return h.router.RouteConnection(ctx, conn, metadata)
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}
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func (h *MultiInbound) newPacketConnection(ctx context.Context, conn N.PacketConn, metadata adapter.InboundContext) error {
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userIndex, loaded := auth.UserFromContext[int](ctx)
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if !loaded {
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return os.ErrInvalid
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}
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user := h.users[userIndex].Name
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if user == "" {
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user = F.ToString(userIndex)
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} else {
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metadata.User = user
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}
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ctx = log.ContextWithNewID(ctx)
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h.logger.InfoContext(ctx, "[", user, "] inbound packet connection from ", metadata.Source)
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h.logger.InfoContext(ctx, "[", user, "] inbound packet connection to ", metadata.Destination)
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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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return h.router.RoutePacketConnection(ctx, conn, metadata)
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}
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|
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func (h *MultiInbound) NewError(ctx context.Context, err error) {
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NewError(h.logger, ctx, err)
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}
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152
protocol/shadowsocks/inbound_relay.go
Normal file
152
protocol/shadowsocks/inbound_relay.go
Normal file
@@ -0,0 +1,152 @@
|
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package shadowsocks
|
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|
||||
import (
|
||||
"context"
|
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"net"
|
||||
"os"
|
||||
"time"
|
||||
|
||||
"github.com/sagernet/sing-box/adapter"
|
||||
"github.com/sagernet/sing-box/adapter/inbound"
|
||||
"github.com/sagernet/sing-box/common/listener"
|
||||
"github.com/sagernet/sing-box/common/mux"
|
||||
"github.com/sagernet/sing-box/common/uot"
|
||||
C "github.com/sagernet/sing-box/constant"
|
||||
"github.com/sagernet/sing-box/log"
|
||||
"github.com/sagernet/sing-box/option"
|
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"github.com/sagernet/sing-shadowsocks/shadowaead_2022"
|
||||
"github.com/sagernet/sing/common"
|
||||
"github.com/sagernet/sing/common/auth"
|
||||
"github.com/sagernet/sing/common/buf"
|
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E "github.com/sagernet/sing/common/exceptions"
|
||||
F "github.com/sagernet/sing/common/format"
|
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"github.com/sagernet/sing/common/logger"
|
||||
M "github.com/sagernet/sing/common/metadata"
|
||||
N "github.com/sagernet/sing/common/network"
|
||||
)
|
||||
|
||||
var _ adapter.TCPInjectableInbound = (*RelayInbound)(nil)
|
||||
|
||||
type RelayInbound struct {
|
||||
inbound.Adapter
|
||||
ctx context.Context
|
||||
router adapter.ConnectionRouterEx
|
||||
logger logger.ContextLogger
|
||||
listener *listener.Listener
|
||||
service *shadowaead_2022.RelayService[int]
|
||||
destinations []option.ShadowsocksDestination
|
||||
}
|
||||
|
||||
func newRelayInbound(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.ShadowsocksInboundOptions) (*RelayInbound, error) {
|
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inbound := &RelayInbound{
|
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Adapter: inbound.NewAdapter(C.TypeShadowsocks, tag),
|
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ctx: ctx,
|
||||
router: uot.NewRouter(router, logger),
|
||||
logger: logger,
|
||||
destinations: options.Destinations,
|
||||
}
|
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var err error
|
||||
inbound.router, err = mux.NewRouterWithOptions(inbound.router, logger, common.PtrValueOrDefault(options.Multiplex))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
var udpTimeout time.Duration
|
||||
if options.UDPTimeout != 0 {
|
||||
udpTimeout = time.Duration(options.UDPTimeout)
|
||||
} else {
|
||||
udpTimeout = C.UDPTimeout
|
||||
}
|
||||
service, err := shadowaead_2022.NewRelayServiceWithPassword[int](
|
||||
options.Method,
|
||||
options.Password,
|
||||
int64(udpTimeout.Seconds()),
|
||||
adapter.NewUpstreamHandler(adapter.InboundContext{}, inbound.newConnection, inbound.newPacketConnection, inbound),
|
||||
)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
err = service.UpdateUsersWithPasswords(common.MapIndexed(options.Destinations, func(index int, user option.ShadowsocksDestination) int {
|
||||
return index
|
||||
}), common.Map(options.Destinations, func(user option.ShadowsocksDestination) string {
|
||||
return user.Password
|
||||
}), common.Map(options.Destinations, option.ShadowsocksDestination.Build))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
inbound.service = service
|
||||
inbound.listener = listener.New(listener.Options{
|
||||
Context: ctx,
|
||||
Logger: logger,
|
||||
Network: options.Network.Build(),
|
||||
Listen: options.ListenOptions,
|
||||
ConnectionHandler: inbound,
|
||||
PacketHandler: inbound,
|
||||
ThreadUnsafePacketWriter: true,
|
||||
})
|
||||
return inbound, err
|
||||
}
|
||||
|
||||
func (h *RelayInbound) Start() error {
|
||||
return h.listener.Start()
|
||||
}
|
||||
|
||||
func (h *RelayInbound) Close() error {
|
||||
return h.listener.Close()
|
||||
}
|
||||
|
||||
func (h *RelayInbound) NewConnectionEx(ctx context.Context, conn net.Conn, metadata adapter.InboundContext, onClose N.CloseHandlerFunc) {
|
||||
err := h.service.NewConnection(ctx, conn, adapter.UpstreamMetadata(metadata))
|
||||
N.CloseOnHandshakeFailure(conn, onClose, err)
|
||||
if err != nil {
|
||||
h.logger.ErrorContext(ctx, E.Cause(err, "process connection from ", metadata.Source))
|
||||
}
|
||||
}
|
||||
|
||||
func (h *RelayInbound) NewPacketEx(buffer *buf.Buffer, source M.Socksaddr) {
|
||||
err := h.service.NewPacket(h.ctx, &stubPacketConn{h.listener.PacketWriter()}, buffer, M.Metadata{Source: source})
|
||||
if err != nil {
|
||||
h.logger.Error(E.Cause(err, "process packet from ", source))
|
||||
}
|
||||
}
|
||||
|
||||
func (h *RelayInbound) newConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
|
||||
destinationIndex, loaded := auth.UserFromContext[int](ctx)
|
||||
if !loaded {
|
||||
return os.ErrInvalid
|
||||
}
|
||||
destination := h.destinations[destinationIndex].Name
|
||||
if destination == "" {
|
||||
destination = F.ToString(destinationIndex)
|
||||
} else {
|
||||
metadata.User = destination
|
||||
}
|
||||
h.logger.InfoContext(ctx, "[", destination, "] inbound connection to ", metadata.Destination)
|
||||
metadata.Inbound = h.Tag()
|
||||
metadata.InboundType = h.Type()
|
||||
return h.router.RouteConnection(ctx, conn, metadata)
|
||||
}
|
||||
|
||||
func (h *RelayInbound) newPacketConnection(ctx context.Context, conn N.PacketConn, metadata adapter.InboundContext) error {
|
||||
destinationIndex, loaded := auth.UserFromContext[int](ctx)
|
||||
if !loaded {
|
||||
return os.ErrInvalid
|
||||
}
|
||||
destination := h.destinations[destinationIndex].Name
|
||||
if destination == "" {
|
||||
destination = F.ToString(destinationIndex)
|
||||
} else {
|
||||
metadata.User = destination
|
||||
}
|
||||
ctx = log.ContextWithNewID(ctx)
|
||||
h.logger.InfoContext(ctx, "[", destination, "] inbound packet connection from ", metadata.Source)
|
||||
h.logger.InfoContext(ctx, "[", destination, "] inbound packet connection to ", metadata.Destination)
|
||||
metadata.Inbound = h.Tag()
|
||||
metadata.InboundType = h.Type()
|
||||
metadata.InboundDetour = h.listener.ListenOptions().Detour
|
||||
metadata.InboundOptions = h.listener.ListenOptions().InboundOptions
|
||||
return h.router.RoutePacketConnection(ctx, conn, metadata)
|
||||
}
|
||||
|
||||
func (h *RelayInbound) NewError(ctx context.Context, err error) {
|
||||
NewError(h.logger, ctx, err)
|
||||
}
|
||||
179
protocol/shadowsocks/outbound.go
Normal file
179
protocol/shadowsocks/outbound.go
Normal file
@@ -0,0 +1,179 @@
|
||||
package shadowsocks
|
||||
|
||||
import (
|
||||
"context"
|
||||
"net"
|
||||
|
||||
"github.com/sagernet/sing-box/adapter"
|
||||
"github.com/sagernet/sing-box/adapter/outbound"
|
||||
"github.com/sagernet/sing-box/common/dialer"
|
||||
"github.com/sagernet/sing-box/common/mux"
|
||||
C "github.com/sagernet/sing-box/constant"
|
||||
"github.com/sagernet/sing-box/log"
|
||||
"github.com/sagernet/sing-box/option"
|
||||
"github.com/sagernet/sing-box/transport/sip003"
|
||||
"github.com/sagernet/sing-shadowsocks2"
|
||||
"github.com/sagernet/sing/common"
|
||||
"github.com/sagernet/sing/common/bufio"
|
||||
E "github.com/sagernet/sing/common/exceptions"
|
||||
"github.com/sagernet/sing/common/logger"
|
||||
M "github.com/sagernet/sing/common/metadata"
|
||||
N "github.com/sagernet/sing/common/network"
|
||||
"github.com/sagernet/sing/common/uot"
|
||||
)
|
||||
|
||||
func RegisterOutbound(registry *outbound.Registry) {
|
||||
outbound.Register[option.ShadowsocksOutboundOptions](registry, C.TypeShadowsocks, NewOutbound)
|
||||
}
|
||||
|
||||
type Outbound struct {
|
||||
outbound.Adapter
|
||||
logger logger.ContextLogger
|
||||
dialer N.Dialer
|
||||
method shadowsocks.Method
|
||||
serverAddr M.Socksaddr
|
||||
plugin sip003.Plugin
|
||||
uotClient *uot.Client
|
||||
multiplexDialer *mux.Client
|
||||
}
|
||||
|
||||
func NewOutbound(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.ShadowsocksOutboundOptions) (adapter.Outbound, error) {
|
||||
method, err := shadowsocks.CreateMethod(ctx, options.Method, shadowsocks.MethodOptions{
|
||||
Password: options.Password,
|
||||
})
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
outboundDialer, err := dialer.New(router, options.DialerOptions)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
outbound := &Outbound{
|
||||
Adapter: outbound.NewAdapterWithDialerOptions(C.TypeShadowsocks, options.Network.Build(), tag, options.DialerOptions),
|
||||
logger: logger,
|
||||
dialer: outboundDialer,
|
||||
method: method,
|
||||
serverAddr: options.ServerOptions.Build(),
|
||||
}
|
||||
if options.Plugin != "" {
|
||||
outbound.plugin, err = sip003.CreatePlugin(ctx, options.Plugin, options.PluginOptions, router, outbound.dialer, outbound.serverAddr)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
}
|
||||
uotOptions := common.PtrValueOrDefault(options.UDPOverTCP)
|
||||
if !uotOptions.Enabled {
|
||||
outbound.multiplexDialer, err = mux.NewClientWithOptions((*shadowsocksDialer)(outbound), logger, common.PtrValueOrDefault(options.Multiplex))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
}
|
||||
if uotOptions.Enabled {
|
||||
outbound.uotClient = &uot.Client{
|
||||
Dialer: (*shadowsocksDialer)(outbound),
|
||||
Version: uotOptions.Version,
|
||||
}
|
||||
}
|
||||
return outbound, nil
|
||||
}
|
||||
|
||||
func (h *Outbound) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
|
||||
ctx, metadata := adapter.ExtendContext(ctx)
|
||||
metadata.Outbound = h.Tag()
|
||||
metadata.Destination = destination
|
||||
if h.multiplexDialer == nil {
|
||||
switch N.NetworkName(network) {
|
||||
case N.NetworkTCP:
|
||||
h.logger.InfoContext(ctx, "outbound connection to ", destination)
|
||||
case N.NetworkUDP:
|
||||
if h.uotClient != nil {
|
||||
h.logger.InfoContext(ctx, "outbound UoT connect packet connection to ", destination)
|
||||
return h.uotClient.DialContext(ctx, network, destination)
|
||||
} else {
|
||||
h.logger.InfoContext(ctx, "outbound packet connection to ", destination)
|
||||
}
|
||||
}
|
||||
return (*shadowsocksDialer)(h).DialContext(ctx, network, destination)
|
||||
} else {
|
||||
switch N.NetworkName(network) {
|
||||
case N.NetworkTCP:
|
||||
h.logger.InfoContext(ctx, "outbound multiplex connection to ", destination)
|
||||
case N.NetworkUDP:
|
||||
h.logger.InfoContext(ctx, "outbound multiplex packet connection to ", destination)
|
||||
}
|
||||
return h.multiplexDialer.DialContext(ctx, network, destination)
|
||||
}
|
||||
}
|
||||
|
||||
func (h *Outbound) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
|
||||
ctx, metadata := adapter.ExtendContext(ctx)
|
||||
metadata.Outbound = h.Tag()
|
||||
metadata.Destination = destination
|
||||
if h.multiplexDialer == nil {
|
||||
if h.uotClient != nil {
|
||||
h.logger.InfoContext(ctx, "outbound UoT packet connection to ", destination)
|
||||
return h.uotClient.ListenPacket(ctx, destination)
|
||||
} else {
|
||||
h.logger.InfoContext(ctx, "outbound packet connection to ", destination)
|
||||
}
|
||||
h.logger.InfoContext(ctx, "outbound packet connection to ", destination)
|
||||
return (*shadowsocksDialer)(h).ListenPacket(ctx, destination)
|
||||
} else {
|
||||
h.logger.InfoContext(ctx, "outbound multiplex packet connection to ", destination)
|
||||
return h.multiplexDialer.ListenPacket(ctx, destination)
|
||||
}
|
||||
}
|
||||
|
||||
func (h *Outbound) InterfaceUpdated() {
|
||||
if h.multiplexDialer != nil {
|
||||
h.multiplexDialer.Reset()
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func (h *Outbound) Close() error {
|
||||
return common.Close(common.PtrOrNil(h.multiplexDialer))
|
||||
}
|
||||
|
||||
var _ N.Dialer = (*shadowsocksDialer)(nil)
|
||||
|
||||
type shadowsocksDialer Outbound
|
||||
|
||||
func (h *shadowsocksDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
|
||||
ctx, metadata := adapter.ExtendContext(ctx)
|
||||
metadata.Outbound = h.Tag()
|
||||
metadata.Destination = destination
|
||||
switch N.NetworkName(network) {
|
||||
case N.NetworkTCP:
|
||||
var outConn net.Conn
|
||||
var err error
|
||||
if h.plugin != nil {
|
||||
outConn, err = h.plugin.DialContext(ctx)
|
||||
} else {
|
||||
outConn, err = h.dialer.DialContext(ctx, N.NetworkTCP, h.serverAddr)
|
||||
}
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return h.method.DialEarlyConn(outConn, destination), nil
|
||||
case N.NetworkUDP:
|
||||
outConn, err := h.dialer.DialContext(ctx, N.NetworkUDP, h.serverAddr)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return bufio.NewBindPacketConn(h.method.DialPacketConn(outConn), destination), nil
|
||||
default:
|
||||
return nil, E.Extend(N.ErrUnknownNetwork, network)
|
||||
}
|
||||
}
|
||||
|
||||
func (h *shadowsocksDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
|
||||
ctx, metadata := adapter.ExtendContext(ctx)
|
||||
metadata.Outbound = h.Tag()
|
||||
metadata.Destination = destination
|
||||
outConn, err := h.dialer.DialContext(ctx, N.NetworkUDP, h.serverAddr)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return h.method.DialPacketConn(outConn), nil
|
||||
}
|
||||
Reference in New Issue
Block a user