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Add session context outbounds as slice (#3356)

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* Add session context outbounds as slice

slice is needed for dialer proxy where two outbounds work on top of each other
There are two sets of target addr for example
It also enable Xtls to correctly do splice copy by checking both outbounds are ready to do direct copy

* Fill outbound tag info

* Splice now checks capalibility from all outbounds

* Fix unit tests
This commit is contained in:
yuhan6665 2024-05-13 21:52:24 -04:00 • committed by GitHub
parent 0735053348
commit 017f53b5fc
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42 changed files with 303 additions and 236 deletions
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10
proxy/vless/inbound/inbound.go
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@ -449,7 +449,7 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
switch requestAddons.Flow {
case vless.XRV:
if account.Flow == requestAddons.Flow {
inbound.SetCanSpliceCopy(2)
inbound.CanSpliceCopy = 2
switch request.Command {
case protocol.RequestCommandUDP:
return newError(requestAddons.Flow + " doesn't support UDP").AtWarning()
@ -479,7 +479,7 @@ 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 "":
inbound.SetCanSpliceCopy(3)
inbound.CanSpliceCopy = 3
if account.Flow == vless.XRV && (request.Command == protocol.RequestCommandTCP || isMuxAndNotXUDP(request, first)) {
return newError(account.ID.String() + " is not able to use \"\". Note that the pure TLS proxy has certain TLS in TLS characters.").AtWarning()
}
@ -523,7 +523,7 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
if requestAddons.Flow == vless.XRV {
ctx1 := session.ContextWithInbound(ctx, nil) // TODO enable splice
clientReader = proxy.NewVisionReader(clientReader, trafficState, ctx1)
err = encoding.XtlsRead(clientReader, serverWriter, timer, connection, input, rawInput, trafficState, ctx1)
err = encoding.XtlsRead(clientReader, serverWriter, timer, connection, input, rawInput, trafficState, nil, ctx1)
} else {
// from clientReader.ReadMultiBuffer to serverWriter.WriteMultiBufer
err = buf.Copy(clientReader, serverWriter, buf.UpdateActivity(timer))
@ -560,7 +560,9 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
var err error
if requestAddons.Flow == vless.XRV {
err = encoding.XtlsWrite(serverReader, clientWriter, timer, connection, trafficState, ctx)
outbounds := session.OutboundsFromContext(ctx)
ob := outbounds[len(outbounds) - 1]
err = encoding.XtlsWrite(serverReader, clientWriter, timer, connection, trafficState, ob, ctx)
} else {
// from serverReader.ReadMultiBuffer to clientWriter.WriteMultiBufer
err = buf.Copy(serverReader, clientWriter, buf.UpdateActivity(timer))