1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
9 *
10 * This software is licensed as described in the file COPYING, which
11 * you should have received as part of this distribution. The terms
12 * are also available at http://curl.haxx.se/docs/copyright.html.
13 *
14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
15 * copies of the Software, and permit persons to whom the Software is
16 * furnished to do so, under the terms of the COPYING file.
17 *
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
20 *
21 ***************************************************************************/
22 /* Example code that uploads a file name 'foo' to a remote script that accepts
23 * "HTML form based" (as described in RFC1738) uploads using HTTP POST.
24 *
25 * The imaginary form we'll fill in looks like:
26 *
27 * <form method="post" enctype="multipart/form-data" action="examplepost.cgi">
28 * Enter file: <input type="file" name="sendfile" size="40">
29 * Enter file name: <input type="text" name="filename" size="30">
30 * <input type="submit" value="send" name="submit">
31 * </form>
32 *
33 * This exact source code has not been verified to work.
34 */
35
36 #include <stdio.h>
37 #include <string.h>
38
39 #include <curl/curl.h>
40
main(int argc,char * argv[])41 int main(int argc, char *argv[])
42 {
43 CURL *curl;
44 CURLcode res;
45
46 struct curl_httppost *formpost=NULL;
47 struct curl_httppost *lastptr=NULL;
48 struct curl_slist *headerlist=NULL;
49 static const char buf[] = "Expect:";
50
51 curl_global_init(CURL_GLOBAL_ALL);
52
53 /* Fill in the file upload field */
54 curl_formadd(&formpost,
55 &lastptr,
56 CURLFORM_COPYNAME, "sendfile",
57 CURLFORM_FILE, "postit2.c",
58 CURLFORM_END);
59
60 /* Fill in the filename field */
61 curl_formadd(&formpost,
62 &lastptr,
63 CURLFORM_COPYNAME, "filename",
64 CURLFORM_COPYCONTENTS, "postit2.c",
65 CURLFORM_END);
66
67
68 /* Fill in the submit field too, even if this is rarely needed */
69 curl_formadd(&formpost,
70 &lastptr,
71 CURLFORM_COPYNAME, "submit",
72 CURLFORM_COPYCONTENTS, "send",
73 CURLFORM_END);
74
75 curl = curl_easy_init();
76 /* initialize custom header list (stating that Expect: 100-continue is not
77 wanted */
78 headerlist = curl_slist_append(headerlist, buf);
79 if(curl) {
80 /* what URL that receives this POST */
81 curl_easy_setopt(curl, CURLOPT_URL, "http://example.com/examplepost.cgi");
82 if ( (argc == 2) && (!strcmp(argv[1], "noexpectheader")) )
83 /* only disable 100-continue header if explicitly requested */
84 curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headerlist);
85 curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost);
86
87 /* Perform the request, res will get the return code */
88 res = curl_easy_perform(curl);
89 /* Check for errors */
90 if(res != CURLE_OK)
91 fprintf(stderr, "curl_easy_perform() failed: %s\n",
92 curl_easy_strerror(res));
93
94 /* always cleanup */
95 curl_easy_cleanup(curl);
96
97 /* then cleanup the formpost chain */
98 curl_formfree(formpost);
99 /* free slist */
100 curl_slist_free_all (headerlist);
101 }
102 return 0;
103 }
104