[En-Nut-Discussion] How to access the Request in ASP

[Rodrigue ROLAND]

In others words, you need to be able to access to a REQUEST structure 
and use this piece of code:

if (req->req_query) {
        //...
        count = NutHttpGetParameterCount(req);
        /* Extract count parameters. */
        for (i = 0; i < count; i++) {
            name = NutHttpGetParameterName(req, i);
            value = NutHttpGetParameterValue(req, i);

            /* Send the parameters back to the client. */
            fprintf_P(stream, PSTR("%s: %s<BR>\r\n"), name, value);
        }
}

I don't know if it's possible to access to such structure...

If you look in the file httpd.c, you should find the function 
NutHttpProcessRequest. All http requests are processed in this function. 
It calls the function NutHttpQueryString which reads the query from 
input stream and parses it into name/value table: it parses your REQUEST 
structure. After, the function NutHttpProcessFileRequest is called. It 
validates the authorization (NtHttpAuthValidate), process the cgi 
(NutCgiProcessRequest) and after process File. The following lines, I 
think, are importants:
void (*handler)(FILE *stream, int fd, int file_len, char *http_root, 
REQUEST *req);
//...
handler = NutGetMimeHandler(filename);

In fact, I saw in the file asp.c that when you register ASP script, the 
following code are executed:
void NutRegisterAsp(void) { NutSetMimeHandler(".asp", NutHttpProcessAsp); }

So when an ASP file is processed, the function NutHttpProcessAsp is 
called...
and you could see that this function have a parameter REQUEST* req:
void NutHttpProcessAsp(FILE * stream, int fd, int file_len, char* 
http_root, REQUEST *req)

Finally, in this function the ASPCallback function is executed:
ProcessAspFunction(pASPFunction, stream);
You see that we only pass one parameter: stream. It's not very difficult 
to modify...

Little note: look at the function ProcessAspFunction, there are 4 ASP 
scripts which are registered natively! I didn't know that:
- nut_version.asp
- nut_ip_addr.asp
- nut_ip_mask.asp
- nut_gateway.asp

Rod

Jerzy Rzaniak a écrit :
> Hello,
>
> Is it possible to  access current HTTP request (posted values) in the  "asp"
> handler?
>
> Regards
>
> Jerzy Rzaniak
>
>  
>
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