> -----Ursprüngliche Nachricht-----
> Von: Stefan Eissing 
> Gesendet: Dienstag, 17. November 2015 12:58
> An: dev@httpd.apache.org
> Betreff: Re: svn commit: r1714751 -
> /httpd/httpd/trunk/modules/http2/h2_request.c
> 
> There is no "Transfer-Encoding" header in HTTP/2. When forwarding the
> request for processing into httpd core, there are currently two paths:
> - H2SerializeHeaders off (default), where request_rec is created
> directly
> and
> - H2SerializeHeaders on, where the slave connection carries a serialized
>   HTTP/1.1 request that is parsed and processed as if it where a real
>   client connection.
> 
> if content-length has not been specified in the HTTP/2 request, the code
> - adds "Transfer-Encoding" if DATA is to be expected (no EOS signaled)
> - adds "Content-Length: 0" if EOS has already been signaled. This is to
>   allow the eventual HTTP/1.1 request parsing to know that no data will
>   come. Adding this only for requests with "Content-Type" present is
>   up for discussion. I want to avoid adding headers to common requests
>   that do not normally carry a body, like GET, DELETE, HEAD and others.

>From performance point of view this is quite understandable, but we need to 
>ensure that we do not open
up the door for request smuggling.

Regards

Rüdiger

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