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refactor parsing of headers with invalid reserved bits

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This commit is contained in:
Marten Seemann 2019-12-09 14:56:08 +08:00
parent 9d6ae474d7
commit 490d9ddab2
2 changed files with 20 additions and 14 deletions
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10
internal/wire/header.go
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@ -241,7 +241,15 @@ func (h *Header) ParsedLen() protocol.ByteCount {
// ParseExtended parses the version dependent part of the header.
// The Reader has to be set such that it points to the first byte of the header.
func (h *Header) ParseExtended(b *bytes.Reader, ver protocol.VersionNumber) (*ExtendedHeader, error) {
return h.toExtendedHeader().parse(b, ver)
extHdr := h.toExtendedHeader()
reservedBitsValid, err := extHdr.parse(b, ver)
if err != nil {
return nil, err
}
if !reservedBitsValid {
return extHdr, ErrInvalidReservedBits
}
return extHdr, nil
}
func (h *Header) toExtendedHeader() *ExtendedHeader {