Validate close codes. Autobahn 7.9.*

2019-09-03 15:43:16 -07:00
parent 1be8d9d46f
commit fdd1ad9b17
4 changed files with 17 additions and 0 deletions
--- a/ixwebsocket/IXWebSocketTransport.cpp
+++ b/ixwebsocket/IXWebSocketTransport.cpp
@ -684,6 +684,20 @@ namespace ix
                        code = WebSocketCloseConstants::kInvalidFramePayloadData;
                        reason = WebSocketCloseConstants::kInvalidFramePayloadDataMessage;
                    }
+
+                    // Validate close codes. Autobahn 7.9.*
+                    // 1014, 1015 are debattable. The firefox MSDN has a description for them
+                    if (code < 1000 || code == 1004 || code == 1006 ||
+                        (code > 1013 && code < 3000))
+                    {
+                        // build up an error message containing the bad error code
+                        std::stringstream ss;
+                        ss << WebSocketCloseConstants::kInvalidCloseCodeMessage
+                           << ": " << code;
+                        reason = ss.str();
+
+                        code = WebSocketCloseConstants::kProtocolErrorCode;
+                    }
                }
                else
                {