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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 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.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.
*
* SPDX-License-Identifier: curl
*
***************************************************************************/
/* <DESC>
* HTTP Multipart formpost with file upload and two additional parts.
* </DESC>
*/
/* Example code that uploads a filename 'foo' to a remote script that accepts
* "HTML form based" (as described in RFC 1738) uploads using HTTP POST.
*
* The imaginary form we fill in looks like:
*
* <form method="post" enctype="multipart/form-data" action="examplepost.cgi">
* Enter file: <input type="file" name="sendfile" size="40">
* Enter filename: <input type="text" name="filename" size="30">
* <input type="submit" value="send" name="submit">
* </form>
*
*/
#include <stdio.h>
#include <string.h>
#include <curl/curl.h>
int main(int argc, char *argv[])
{
CURL *curl;
CURLcode res;
curl_mime *form = NULL;
curl_mimepart *field = NULL;
struct curl_slist *headerlist = NULL;
static const char buf[] = "Expect:";
curl_global_init(CURL_GLOBAL_ALL);
curl = curl_easy_init();
if(curl) {
/* Create the form */
form = curl_mime_init(curl);
/* Fill in the file upload field */
field = curl_mime_addpart(form);
curl_mime_name(field, "sendfile");
curl_mime_filedata(field, "postit2.c");
/* Fill in the filename field */
field = curl_mime_addpart(form);
curl_mime_name(field, "filename");
curl_mime_data(field, "postit2.c", CURL_ZERO_TERMINATED);
/* Fill in the submit field too, even if this is rarely needed */
field = curl_mime_addpart(form);
curl_mime_name(field, "submit");
curl_mime_data(field, "send", CURL_ZERO_TERMINATED);
/* initialize custom header list (stating that Expect: 100-continue is not
wanted */
headerlist = curl_slist_append(headerlist, buf);
/* 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_MIMEPOST, form);
/* Perform the request, res gets 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 form */
curl_mime_free(form);
/* free slist */
curl_slist_free_all(headerlist);
}
return 0;
}