On Thu, 22 Nov 2012, William Lear wrote:
I am tasked with updating an existing embedded system to access a web
service using SOAP with Attachments (multipart/related). The system is
locked in to a prebuilt, ROM resident copy of libcurl 7.15.3, so I can't
change it. There is insufficient memory to add a second updated copy along
with the new code.
I believe that changing the default "multipart/formdata" mime type may be
sufficient to allow me to use CURLOPT_HTTPPOST, but have yet to find a way
to do this.
Digging deep into the git history showed me this:
commit a88deadd6f85a6ac3b7f9d574bbb7eaab3115700
Author: Daniel Stenberg <[email protected]>
Date: Thu Jul 27 22:35:09 2006 +0000
Yves Lejeune fixed so that replacing Content-Type: when doing multipart
formposts work exactly the way you want it (and the way you'd assume it
works)
but...
$ git describe --contains a88deadd6f85a6a
curl-7_15_5~40
Meaning: you can use CURLOPT_HTTPHEADER to replace the Content-Type: with
CURLOPT_HTTPPOST the way you want it, in 7.15.5 and later!
My next inclination would be to roll my own using curl_easy_send but, alas,
that was not added until v7.18.2.
It sounds much better in that case to create the entire request body yourself
and send it with CURLOPT_POSTFIELDS and set the Content-Type: with
CURLOPT_HTTPHEADER. Should work just fine!
--
/ daniel.haxx.se
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