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avoid recursion when skipping unknown HTTP/3 frames (#3354)

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Marten Seemann 2022-03-22 16:48:17 +01:00 • committed by GitHub
parent 2661c2807d
commit 4725ddebf3
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 31 additions and 30 deletions
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3
http3/frames.go
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@ -14,6 +14,7 @@ type frame interface{}
func parseNextFrame(r io.Reader) (frame, error) { func parseNextFrame(r io.Reader) (frame, error) {
qr := quicvarint.NewReader(r) qr := quicvarint.NewReader(r)
for {
t, err := quicvarint.Read(qr) t, err := quicvarint.Read(qr)
if err != nil { if err != nil {
return nil, err return nil, err
@ -45,7 +46,7 @@ func parseNextFrame(r io.Reader) (frame, error) {
if _, err := io.CopyN(ioutil.Discard, qr, int64(l)); err != nil { if _, err := io.CopyN(ioutil.Discard, qr, int64(l)); err != nil {
return nil, err return nil, err
} }
return parseNextFrame(qr) }
} }
} }