mirror of
https://github.com/SagerNet/sing-box.git
synced 2024-12-26 15:25:39 +08:00
71 lines
2.3 KiB
Go
71 lines
2.3 KiB
Go
package inbound
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import (
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std_bufio "bufio"
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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/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/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/sagernet/sing/protocol/http"
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"github.com/sagernet/sing/protocol/socks"
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"github.com/sagernet/sing/protocol/socks/socks4"
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"github.com/sagernet/sing/protocol/socks/socks5"
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)
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var (
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_ adapter.Inbound = (*Mixed)(nil)
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_ adapter.TCPInjectableInbound = (*Mixed)(nil)
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)
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type Mixed struct {
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myInboundAdapter
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authenticator *auth.Authenticator
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}
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func NewMixed(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.HTTPMixedInboundOptions) *Mixed {
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inbound := &Mixed{
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myInboundAdapter{
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protocol: C.TypeMixed,
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network: []string{N.NetworkTCP},
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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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tag: tag,
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listenOptions: options.ListenOptions,
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setSystemProxy: options.SetSystemProxy,
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},
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auth.NewAuthenticator(options.Users),
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}
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inbound.connHandler = inbound
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return inbound
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}
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func (h *Mixed) NewConnectionEx(ctx context.Context, conn net.Conn, metadata adapter.InboundContext, onClose N.CloseHandlerFunc) {
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err := h.newConnection(ctx, conn, metadata, onClose)
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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 *Mixed) newConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext, onClose N.CloseHandlerFunc) error {
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reader := std_bufio.NewReader(conn)
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headerBytes, err := reader.Peek(1)
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if err != nil {
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return E.Cause(err, "peek first byte")
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}
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switch headerBytes[0] {
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case socks4.Version, socks5.Version:
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return socks.HandleConnectionEx(ctx, conn, reader, h.authenticator, nil, h.upstreamUserHandlerEx(metadata), metadata.Source, metadata.Destination, onClose)
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default:
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return http.HandleConnectionEx(ctx, conn, reader, h.authenticator, nil, h.upstreamUserHandlerEx(metadata), metadata.Source, onClose)
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}
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}
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