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reject transport parameters with too large stream counts

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This commit is contained in:
Marten Seemann 2019-03-29 09:39:02 +01:00
parent 7b02b87026
commit 51c9c42adc
4 changed files with 32 additions and 13 deletions
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6
streams_map.go
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@ -174,10 +174,14 @@ func (m *streamsMap) HandleMaxStreamsFrame(f *wire.MaxStreamsFrame) error {
return nil
}
func (m *streamsMap) UpdateLimits(p *handshake.TransportParameters) {
func (m *streamsMap) UpdateLimits(p *handshake.TransportParameters) error {
if p.MaxBidiStreams > protocol.MaxStreamCount || p.MaxUniStreams > protocol.MaxStreamCount {
return qerr.StreamLimitError
}
// Max{Uni,Bidi}StreamID returns the highest stream ID that the peer is allowed to open.
m.outgoingBidiStreams.SetMaxStream(protocol.MaxStreamID(protocol.StreamTypeBidi, p.MaxBidiStreams, m.perspective))
m.outgoingUniStreams.SetMaxStream(protocol.MaxStreamID(protocol.StreamTypeUni, p.MaxUniStreams, m.perspective))
return nil
}
func (m *streamsMap) CloseWithError(err error) {