Re: CGIDEV2 Environment Variable Max Length

[B Stone <bvstone@xxxxxxxxx>]

Ok, nevermind.  I had bad data going into the request to begin with.    :)

I still think passing that much data in the URI isn't good practice.  :)

On Sat, Mar 14, 2020 at 11:23 AM B Stone <bvstone@xxxxxxxxx> wrote:

> I am working with an application that needs to read a JWT from the request
> URI.  The client has CGIDEV2 installed so I'm using that.
>
> The issue is that using getenv() to get the REQUEST_URI environment
> variable the data length is 566 bytes, but for some reason getenv() is only
> returning the first 560 bytes.
>
> I debugged the getenv() function which calls QtmhGetEnv and it is
> returning the proper length value of 566, but it seems the actual text
> length returned to the receiver value holder is 560, not 566.
>
> I checked the variables being used and they are 32k.  The available size
> sent into the API is also correct at 32k.  But for some reason it's only
> returning 560 bytes (and it knows there are more... hehe)
>
> I've tried with Chrome and Firefox.  Same thing.
>
> I just don't know where else the limitation would be except maybe the
> QtmhGetEnv API itself, but I see nothing in the docs saying that it's
> limited to 560 bytes.
>
> Would be interested in hearing any ideas on where else to look.
>
> Personally, I think sending that much data in the URI isn't good practice
> (a POST would be better) but trying to deal with some of these folks on
> other ends think they know it all.  :)
>
> Bradley V. Stone
> www.bvstools.com
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