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use the CRYPTO_BUFFER_EXCEEDED error for crypto stream overflows

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This commit is contained in:
Marten Seemann 2019-11-23 11:48:11 +07:00
parent 92b898e811
commit 50e7d69865
3 changed files with 6 additions and 2 deletions
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3
crypto_stream.go
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@ -6,6 +6,7 @@ import (
"io"
"github.com/lucas-clemente/quic-go/internal/protocol"
"github.com/lucas-clemente/quic-go/internal/qerr"
"github.com/lucas-clemente/quic-go/internal/utils"
"github.com/lucas-clemente/quic-go/internal/wire"
)
@ -68,7 +69,7 @@ func newCryptoStream() cryptoStream {
func (s *cryptoStreamImpl) HandleCryptoFrame(f *wire.CryptoFrame) error {
highestOffset := f.Offset + protocol.ByteCount(len(f.Data))
if maxOffset := highestOffset; maxOffset > protocol.MaxCryptoStreamOffset {
return fmt.Errorf("received invalid offset %d on crypto stream, maximum allowed %d", maxOffset, protocol.MaxCryptoStreamOffset)
return qerr.Error(qerr.CryptoBufferExceeded, fmt.Sprintf("received invalid offset %d on crypto stream, maximum allowed %d", maxOffset, protocol.MaxCryptoStreamOffset))
}
if s.finished {
if highestOffset > s.highestOffset {