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XTLS Vision rejects Mux except for XUDP (#1567)

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* Xtls vision reject vless-tcp-tls+Mux

* Address review comment
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yuhan6665 2023-01-28 00:39:36 -05:00 committed by GitHub
parent 915690b9ef
commit 15bb23e4ec
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1 changed files with 14 additions and 1 deletions
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15
proxy/vless/inbound/inbound.go
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@ -154,6 +154,19 @@ func New(ctx context.Context, config *Config, dc dns.Client) (*Handler, error) {
return handler, nil
}
func isMuxAndNotXUDP(request *protocol.RequestHeader, first *buf.Buffer) bool {
if request.Command != protocol.RequestCommandMux {
return false
}
if first.Len() < 7 {
return true
}
firstBytes := first.Bytes()
return !(firstBytes[2] == 0 && // ID high
firstBytes[3] == 0 && // ID low
firstBytes[6] == 2) // Network type: UDP
}
// Close implements common.Closable.Close().
func (h *Handler) Close() error {
return errors.Combine(common.Close(h.validator))
@ -513,7 +526,7 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
return newError(account.ID.String() + " is not able to use " + requestAddons.Flow).AtWarning()
}
case "", "none":
if accountFlow == vless.XRV && !allowNoneFlow && request.Command == protocol.RequestCommandTCP {
if accountFlow == vless.XRV && !allowNoneFlow && (request.Command == protocol.RequestCommandTCP || isMuxAndNotXUDP(request, first)) {
return newError(account.ID.String() + " is not able to use " + vless.XRV +
". Note the pure tls proxy has certain tls in tls characters. Append \",none\" in flow to suppress").AtWarning()
}