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1.1 ! misho 1: /*************************************************************************** ! 2: * _ _ ____ _ ! 3: * Project ___| | | | _ \| | ! 4: * / __| | | | |_) | | ! 5: * | (__| |_| | _ <| |___ ! 6: * \___|\___/|_| \_\_____| ! 7: * ! 8: * Copyright (C) 1998 - 2019, 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 https://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: /* <DESC> ! 23: * HTTP Multipart formpost with file upload and two additional parts. ! 24: * </DESC> ! 25: */ ! 26: /* Example code that uploads a file name 'foo' to a remote script that accepts ! 27: * "HTML form based" (as described in RFC1738) uploads using HTTP POST. ! 28: * ! 29: * The imaginary form we'll fill in looks like: ! 30: * ! 31: * <form method="post" enctype="multipart/form-data" action="examplepost.cgi"> ! 32: * Enter file: <input type="file" name="sendfile" size="40"> ! 33: * Enter file name: <input type="text" name="filename" size="30"> ! 34: * <input type="submit" value="send" name="submit"> ! 35: * </form> ! 36: * ! 37: */ ! 38: ! 39: #include <stdio.h> ! 40: #include <string.h> ! 41: ! 42: #include <curl/curl.h> ! 43: ! 44: int main(int argc, char *argv[]) ! 45: { ! 46: CURL *curl; ! 47: CURLcode res; ! 48: ! 49: struct curl_httppost *formpost = NULL; ! 50: struct curl_httppost *lastptr = NULL; ! 51: struct curl_slist *headerlist = NULL; ! 52: static const char buf[] = "Expect:"; ! 53: ! 54: curl_global_init(CURL_GLOBAL_ALL); ! 55: ! 56: /* Fill in the file upload field */ ! 57: curl_formadd(&formpost, ! 58: &lastptr, ! 59: CURLFORM_COPYNAME, "sendfile", ! 60: CURLFORM_FILE, "postit2.c", ! 61: CURLFORM_END); ! 62: ! 63: /* Fill in the filename field */ ! 64: curl_formadd(&formpost, ! 65: &lastptr, ! 66: CURLFORM_COPYNAME, "filename", ! 67: CURLFORM_COPYCONTENTS, "postit2.c", ! 68: CURLFORM_END); ! 69: ! 70: ! 71: /* Fill in the submit field too, even if this is rarely needed */ ! 72: curl_formadd(&formpost, ! 73: &lastptr, ! 74: CURLFORM_COPYNAME, "submit", ! 75: CURLFORM_COPYCONTENTS, "send", ! 76: CURLFORM_END); ! 77: ! 78: curl = curl_easy_init(); ! 79: /* initialize custom header list (stating that Expect: 100-continue is not ! 80: wanted */ ! 81: headerlist = curl_slist_append(headerlist, buf); ! 82: if(curl) { ! 83: /* what URL that receives this POST */ ! 84: curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/examplepost.cgi"); ! 85: if((argc == 2) && (!strcmp(argv[1], "noexpectheader"))) ! 86: /* only disable 100-continue header if explicitly requested */ ! 87: curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headerlist); ! 88: curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost); ! 89: ! 90: /* Perform the request, res will get the return code */ ! 91: res = curl_easy_perform(curl); ! 92: /* Check for errors */ ! 93: if(res != CURLE_OK) ! 94: fprintf(stderr, "curl_easy_perform() failed: %s\n", ! 95: curl_easy_strerror(res)); ! 96: ! 97: /* always cleanup */ ! 98: curl_easy_cleanup(curl); ! 99: ! 100: /* then cleanup the formpost chain */ ! 101: curl_formfree(formpost); ! 102: /* free slist */ ! 103: curl_slist_free_all(headerlist); ! 104: } ! 105: return 0; ! 106: }