[libmicrohttpd] Request: stricter checks for client input

[Tim Rühsen]

Hi,

could MHD_OPTION_STRICT_FOR_CLIENT be more strict regarding spaces in
the 'resource' of HTTP requests, please ?

Currently MHD accepts spaces (instead %20 resp. +) and converts them to
+ for the return value of MHD_get_connection_values().


This makes a test for wget2 succeed though wget2 doesn't send a correct
request line. (Only on older versions of MHD this test fails).

The appropriate code seems to be in parse_initial_message_line():
/* Search from back to accept misformed URI with space */

With Best Regards, Tim

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