mirror of
https://github.com/SagerNet/sing-box.git
synced 2024-11-25 10:01:30 +00:00
119 lines
3 KiB
Go
119 lines
3 KiB
Go
package sip003
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import (
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"context"
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"net"
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"strconv"
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"github.com/sagernet/sing-box/adapter"
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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/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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E "github.com/sagernet/sing/common/exceptions"
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"github.com/sagernet/sing/common/json/badoption"
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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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)
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func init() {
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RegisterPlugin("v2ray-plugin", newV2RayPlugin)
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}
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func newV2RayPlugin(ctx context.Context, pluginOpts Args, router adapter.Router, dialer N.Dialer, serverAddr M.Socksaddr) (Plugin, error) {
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var tlsOptions option.OutboundTLSOptions
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if _, loaded := pluginOpts.Get("tls"); loaded {
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tlsOptions.Enabled = true
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}
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if certPath, certLoaded := pluginOpts.Get("cert"); certLoaded {
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tlsOptions.CertificatePath = certPath
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}
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if certRaw, certLoaded := pluginOpts.Get("certRaw"); certLoaded {
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certHead := "-----BEGIN CERTIFICATE-----"
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certTail := "-----END CERTIFICATE-----"
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fixedCert := certHead + "\n" + certRaw + "\n" + certTail
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tlsOptions.Certificate = []string{fixedCert}
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}
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mode := "websocket"
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if modeOpt, loaded := pluginOpts.Get("mode"); loaded {
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mode = modeOpt
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}
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host := "cloudfront.com"
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path := "/"
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if hostOpt, loaded := pluginOpts.Get("host"); loaded {
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host = hostOpt
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tlsOptions.ServerName = hostOpt
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}
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if pathOpt, loaded := pluginOpts.Get("path"); loaded {
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path = pathOpt
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}
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var tlsClient tls.Config
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var err error
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if tlsOptions.Enabled {
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tlsClient, err = tls.NewClient(ctx, serverAddr.AddrString(), tlsOptions)
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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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var mux int
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var transportOptions option.V2RayTransportOptions
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switch mode {
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case "websocket":
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transportOptions = option.V2RayTransportOptions{
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Type: C.V2RayTransportTypeWebsocket,
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WebsocketOptions: option.V2RayWebsocketOptions{
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Headers: map[string]badoption.Listable[string]{
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"Host": []string{host},
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},
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Path: path,
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},
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}
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if muxOpt, loaded := pluginOpts.Get("mux"); loaded {
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muxVal, err := strconv.Atoi(muxOpt)
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if err != nil {
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return nil, E.Cause(err, "parse mux value")
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}
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mux = muxVal
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} else {
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mux = 1
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}
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case "quic":
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transportOptions = option.V2RayTransportOptions{
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Type: C.V2RayTransportTypeQUIC,
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}
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default:
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return nil, E.New("v2ray-plugin: unknown mode: " + mode)
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}
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transport, err := v2ray.NewClientTransport(context.Background(), dialer, serverAddr, transportOptions, tlsClient)
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if err != nil {
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return nil, err
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}
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if mux > 0 {
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return &v2rayMuxWrapper{transport}, nil
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}
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return transport, nil
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}
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var _ Plugin = (*v2rayMuxWrapper)(nil)
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type v2rayMuxWrapper struct {
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adapter.V2RayClientTransport
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}
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func (w *v2rayMuxWrapper) DialContext(ctx context.Context) (net.Conn, error) {
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conn, err := w.V2RayClientTransport.DialContext(ctx)
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if err != nil {
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return nil, err
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}
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return vmess.NewMuxConnWrapper(conn, vmess.MuxDestination), nil
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}
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