I'd like to help, but I have absolutely no clue how this relates to lwIP.
I worked on the httpserver_raw and forked it (among other stuff) to
handle POSTs (CGIs actually) in a more transparent and standard fashion.
If that might help you, grab this:
Hi,
I am currently implementing a proxy between HTTP and another protocol
using a different library. So far the proxying works pretty well for
GETs. I am now implementing proxying of POSTs as well. The POSTs will
_not_ be multipart/form-data or application/x-www-form-urlencoded. So
then