1 /*************************************************************************** 2 * _ _ ____ _ 3 * Project ___| | | | _ \| | 4 * / __| | | | |_) | | 5 * | (__| |_| | _ <| |___ 6 * \___|\___/|_| \_\_____| 7 * 8 * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel (at) 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 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
