108 lines
3.6 KiB
C
108 lines
3.6 KiB
C
|
/***************************************************************************
|
||
|
|
* _ _ ____ _
|
||
|
|
* Project ___| | | | _ \| |
|
||
|
|
* / __| | | | |_) | |
|
||
|
|
* | (__| |_| | _ <| |___
|
||
|
|
* \___|\___/|_| \_\_____|
|
||
|
|
*
|
||
|
|
* Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
|
||
|
|
*
|
||
|
|
* This software is licensed as described in the file COPYING, which
|
||
|
|
* you should have received as part of this distribution. The terms
|
||
|
|
* are also available at https://curl.haxx.se/docs/copyright.html.
|
||
|
|
*
|
||
|
|
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
|
||
|
|
* copies of the Software, and permit persons to whom the Software is
|
||
|
|
* furnished to do so, under the terms of the COPYING file.
|
||
|
|
*
|
||
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
||
|
|
* KIND, either express or implied.
|
||
|
|
*
|
||
|
|
***************************************************************************/
|
||
|
|
/* <DESC>
|
||
|
|
* HTTP Multipart formpost with file upload and two additional parts.
|
||
|
|
* </DESC>
|
||
|
|
*/
|
||
|
|
/* Example code that uploads a file name 'foo' to a remote script that accepts
|
||
|
|
* "HTML form based" (as described in RFC1738) uploads using HTTP POST.
|
||
|
|
*
|
||
|
|
* The imaginary form we'll fill in looks like:
|
||
|
|
*
|
||
|
|
* <form method="post" enctype="multipart/form-data" action="examplepost.cgi">
|
||
|
|
* Enter file: <input type="file" name="sendfile" size="40">
|
||
|
|
* Enter file name: <input type="text" name="filename" size="30">
|
||
|
|
* <input type="submit" value="send" name="submit">
|
||
|
|
* </form>
|
||
|
|
*
|
||
|
|
* This exact source code has not been verified to work.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <string.h>
|
||
|
|
|
||
|
|
#include <curl/curl.h>
|
||
|
|
|
||
|
|
int main(int argc, char *argv[])
|
||
|
|
{
|
||
|
|
CURL *curl;
|
||
|
|
CURLcode res;
|
||
|
|
|
||
|
|
struct curl_httppost *formpost = NULL;
|
||
|
|
struct curl_httppost *lastptr = NULL;
|
||
|
|
struct curl_slist *headerlist = NULL;
|
||
|
|
static const char buf[] = "Expect:";
|
||
|
|
|
||
|
|
curl_global_init(CURL_GLOBAL_ALL);
|
||
|
|
|
||
|
|
/* Fill in the file upload field */
|
||
|
|
curl_formadd(&formpost,
|
||
|
|
&lastptr,
|
||
|
|
CURLFORM_COPYNAME, "sendfile",
|
||
|
|
CURLFORM_FILE, "postit2.c",
|
||
|
|
CURLFORM_END);
|
||
|
|
|
||
|
|
/* Fill in the filename field */
|
||
|
|
curl_formadd(&formpost,
|
||
|
|
&lastptr,
|
||
|
|
CURLFORM_COPYNAME, "filename",
|
||
|
|
CURLFORM_COPYCONTENTS, "postit2.c",
|
||
|
|
CURLFORM_END);
|
||
|
|
|
||
|
|
|
||
|
|
/* Fill in the submit field too, even if this is rarely needed */
|
||
|
|
curl_formadd(&formpost,
|
||
|
|
&lastptr,
|
||
|
|
CURLFORM_COPYNAME, "submit",
|
||
|
|
CURLFORM_COPYCONTENTS, "send",
|
||
|
|
CURLFORM_END);
|
||
|
|
|
||
|
|
curl = curl_easy_init();
|
||
|
|
/* initialize custom header list (stating that Expect: 100-continue is not
|
||
|
|
wanted */
|
||
|
|
headerlist = curl_slist_append(headerlist, buf);
|
||
|
|
if(curl) {
|
||
|
|
/* what URL that receives this POST */
|
||
|
|
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/examplepost.cgi");
|
||
|
|
if((argc == 2) && (!strcmp(argv[1], "noexpectheader")))
|
||
|
|
/* only disable 100-continue header if explicitly requested */
|
||
|
|
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headerlist);
|
||
|
|
curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost);
|
||
|
|
|
||
|
|
/* Perform the request, res will get the return code */
|
||
|
|
res = curl_easy_perform(curl);
|
||
|
|
/* Check for errors */
|
||
|
|
if(res != CURLE_OK)
|
||
|
|
fprintf(stderr, "curl_easy_perform() failed: %s\n",
|
||
|
|
curl_easy_strerror(res));
|
||
|
|
|
||
|
|
/* always cleanup */
|
||
|
|
curl_easy_cleanup(curl);
|
||
|
|
|
||
|
|
/* then cleanup the formpost chain */
|
||
|
|
curl_formfree(formpost);
|
||
|
|
/* free slist */
|
||
|
|
curl_slist_free_all(headerlist);
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|