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https://github.com/XTLS/Xray-core.git
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Vision server allow multiple blocks of padding
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parent
a5b297f968
commit
fd6973b3c6
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@ -256,7 +256,7 @@ func XtlsRead(reader buf.Reader, writer buf.Writer, timer signal.ActivityUpdater
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) error {
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err := func() error {
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var ct stats.Counter
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filterUUID := true
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withinPaddingBuffers := false
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shouldSwitchToDirectCopy := false
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var remainingContent int32 = -1
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var remainingPadding int32 = -1
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@ -294,13 +294,15 @@ func XtlsRead(reader buf.Reader, writer buf.Writer, timer signal.ActivityUpdater
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}
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buffer, err := reader.ReadMultiBuffer()
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if !buffer.IsEmpty() {
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if filterUUID && (*isTLS || *numberOfPacketToFilter > 0) {
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if withinPaddingBuffers || *numberOfPacketToFilter > 0 {
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buffer = XtlsUnpadding(ctx, buffer, userUUID, &remainingContent, &remainingPadding, ¤tCommand)
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if remainingContent == 0 && remainingPadding == 0 {
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if currentCommand == 1 {
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filterUUID = false
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withinPaddingBuffers = false
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remainingContent = -1
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remainingPadding = -1 // set to initial state to parse the next padding
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} else if currentCommand == 2 {
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filterUUID = false
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withinPaddingBuffers = false
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shouldSwitchToDirectCopy = true
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// XTLS Vision processes struct TLS Conn's input and rawInput
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if inputBuffer, err := buf.ReadFrom(input); err == nil {
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@ -313,9 +315,13 @@ func XtlsRead(reader buf.Reader, writer buf.Writer, timer signal.ActivityUpdater
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buffer, _ = buf.MergeMulti(buffer, rawInputBuffer)
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}
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}
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} else if currentCommand != 0 {
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} else if currentCommand == 0 {
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withinPaddingBuffers = true
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} else {
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newError("XtlsRead unknown command ", currentCommand, buffer.Len()).WriteToLog(session.ExportIDToError(ctx))
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}
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} else {
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withinPaddingBuffers = true
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}
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}
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if *numberOfPacketToFilter > 0 {
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@ -543,6 +549,7 @@ func XtlsUnpadding(ctx context.Context, buffer buf.MultiBuffer, userUUID []byte,
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posByte = 16
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*remainingContent = 0
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*remainingPadding = 0
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*currentCommand = 0
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break
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}
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}
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