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Re: [libmicrohttpd] Raw query string issue


From: Justin Graves
Subject: Re: [libmicrohttpd] Raw query string issue
Date: Sat, 9 Feb 2019 10:58:32 -0600

Excellent, thank you Christian!

-
Justin Graves
On Feb 9, 2019, 6:53 AM -0600, Christian Grothoff <address@hidden>, wrote:
Hi Justin,

You are right, there was indeed a regression in 0.9.61. I've fixed this
in d640ad82..f6ee589d and added a test (we didn't have one!).


Happy hacking!

Christian

On 2/6/19 8:44 PM, Justin Graves wrote:
Hello!

First off, thank you for all of the hard work on libmicrohttpd!

I have built an API using the library, but have an issue with retrieving
the raw query string, and query string parsing in general. I have
implemented the MHD_OPTION_URI_LOG_CALLBACK function, but the URI
provided here has been partially parsed already. More specifically, if I
send a query string param with an encoded ampersand, such as
"q=this%20%26%20that", I expect this callback to have exactly that text
in the passed in uri. However, what I receive is "q=this & that". Not
only does this not allow me to log/record/parse the original values, but
it breaks the built-in parser later, as it will attempt to split the
query string at this now-decoded &. As far as I can tell, this makes it
impossible to use an ampersand in a passed-in query string value.

Am I mistaken? Or perhaps there is alternative functionality or options
I am unaware of here.

Thank you for any help!

-
Justin Graves


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