package sip003 import ( "context" "net" "github.com/sagernet/sing-box/adapter" "github.com/sagernet/sing-box/transport/simple-obfs" E "github.com/sagernet/sing/common/exceptions" F "github.com/sagernet/sing/common/format" M "github.com/sagernet/sing/common/metadata" N "github.com/sagernet/sing/common/network" ) var _ Plugin = (*ObfsLocal)(nil) func init() { RegisterPlugin("obfs-local", newObfsLocal) } func newObfsLocal(pluginOpts Args, router adapter.Router, dialer N.Dialer, serverAddr M.Socksaddr) (Plugin, error) { var plugin ObfsLocal mode := "http" if obfsMode, loaded := pluginOpts.Get("obfs"); loaded { mode = obfsMode } if obfsHost, loaded := pluginOpts.Get("obfs-host"); loaded { plugin.host = obfsHost } switch mode { case "http": case "tls": plugin.tls = true default: return nil, E.New("unknown obfs mode ", mode) } plugin.port = F.ToString(serverAddr.Port) return &plugin, nil } type ObfsLocal struct { dialer N.Dialer serverAddr M.Socksaddr tls bool host string port string } func (o *ObfsLocal) DialContext(ctx context.Context) (net.Conn, error) { conn, err := o.dialer.DialContext(ctx, N.NetworkTCP, o.serverAddr) if err != nil { return nil, err } if !o.tls { return obfs.NewHTTPObfs(conn, o.host, o.port), nil } else { return obfs.NewTLSObfs(conn, o.host), nil } }