/***************************************************************************** * _ _ ____ _ * Project ___| | | | _ \| | * / __| | | | |_) | | * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * * $Id$ * * 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. */ /* to make this work under windows, use the win32-functions from the win32socket.c file as well */ #include <stdio.h> #include <string.h> #include <curl/curl.h> #include <curl/types.h> #include <curl/easy.h> #if LIBCURL_VERSION_NUM < 0x070900 #error "curl_formadd() is not introduced until libcurl 7.9 and later" #endif int main(int argc, char *argv[]) { CURL *curl; CURLcode res; struct HttpPost *formpost=NULL; struct HttpPost *lastptr=NULL; struct curl_slist *headerlist=NULL; char buf[] = "Expect:"; /* 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(); /* initalize 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, "http://curl.haxx.se/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); res = curl_easy_perform(curl); /* always cleanup */ curl_easy_cleanup(curl); /* then cleanup the formpost chain */ curl_formfree(formpost); /* free slist */ curl_slist_free_all (headerlist); } return 0; }