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Re: [libmicrohttpd] make MHD behave as a HTTP 1.0 server

From: Gauthier Haderer
Subject: Re: [libmicrohttpd] make MHD behave as a HTTP 1.0 server
Date: Tue, 16 Oct 2018 21:20:10 +0200

Thank you!


Le mar. 16 oct. 2018 à 20:49, Christian Grothoff <address@hidden> a écrit :
Looks good, pushed as f7ab8b59..9199e5aa (with updates to documentation).

Happy hacking!


On 10/15/18 9:03 PM, Gauthier Haderer wrote:
> Hi,
> I attached a patch which adds a response flag to force version to HTTP
> 1.0 in
> responses but still maintaining connection management.
> The existing MHD_RF_HTTP_VERSION_1_0_ONLY flag already changes MHD's
> behavior to apply HTTP 1.0 rules for connection management. When
> enabled, MHD sends a response using the same version as used in the
>  request (is this normal?).
>  What I want is MHD responding as a HTTP 1.0 server with support for
>  connection management headers would do. This is what the
>  MHD_RF_HTTP_VERSION_1_0_RESPONSE response flag is for.
>  You can even combine it with MHD_RF_HTTP_VERSION_1_0_ONLY to change the
> response's HTTP version while maintaining strict compliance with HTTP
> 1.0 regarding connection management.
> This solution is not perfect as this flag is set on the response which
> is created after header processing. So MHD will behave as a HTTP 1.1
> server until the response is queued. It means that an invalid HTTP 1.1
> request will fail even if the response is sent with HTTP 1.0 and the
> request would be valid if interpreted with this version. For example,
> this request will fail in strict mode:
> GET /dummy HTTP/1.1
> as the Host header is missing and is mandatory in HTTP 1.1, but it
> should succeed when interpreted with HTTP 1.0.
> I don't think this is a big issue in practice. Besides, being able to
> change the HTTP version on a response basis is really convenient when
> using MHD in a test framework where I need to validate a client against
> HTTP 1.1 AND HTTP 1.0 as I can start a single server for the whole set
> of tests to run.
> Do you think this is something you could consider integrating mainstream?
> Regards,
> Gauthier

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