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Reject masked frames received by clients #99

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Reject masked frames received by clients #99

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4 changes: 4 additions & 0 deletions lib/websocket/driver/hybi.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -322,6 +322,10 @@ def parse_length(octet)
if @require_masking and not @frame.masked
return fail(:unacceptable, 'Received unmasked frame but masking is required')
end

if @masking and @frame.masked
return fail(:protocol_error, 'Received masked frame but masking is forbidden')
end
end

def parse_extended_length(buffer)
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