[Fix] LWS is refused

8 years ago · 0e75c9fddd
parent ca63816128
commit 0e75c9fddd
1 changed files with 6 additions and 0 deletions
--- a/websocket-sharp/Net/HttpListenerRequest.cs
+++ b/websocket-sharp/Net/HttpListenerRequest.cs
@ -626,6 +626,12 @@ namespace WebSocketSharp.Net

    internal void AddHeader (string headerField)
    {
+      var start = headerField[0];
+      if (start == ' ' || start == '\t') {
+        _context.ErrorMessage = "Invalid header field";
+        return;
+      }
+
      var colon = headerField.IndexOf (':');
      if (colon < 1) {
        _context.ErrorMessage = "Invalid header field";