/*************************************************************************** * _ _ ____ _ * Project ___| | | | _ \| | * / __| | | | |_) | | * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * * Copyright (C) 1998 - 2022, 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 * ***************************************************************************/ #include "test.h" #include "memdebug.h" static char data[]= "dummy"; struct WriteThis { char *readptr; curl_off_t sizeleft; }; static size_t read_callback(char *ptr, size_t size, size_t nmemb, void *userp) { struct WriteThis *pooh = (struct WriteThis *)userp; int eof = !*pooh->readptr; if(size*nmemb < 1) return 0; eof = pooh->sizeleft <= 0; if(!eof) pooh->sizeleft--; if(!eof) { *ptr = *pooh->readptr; /* copy one single byte */ pooh->readptr++; /* advance pointer */ return 1; /* we return 1 byte at a time! */ } return 0; /* no more data left to deliver */ } int test(char *URL) { CURL *easy = NULL; curl_mime *mime = NULL; curl_mimepart *part; CURLcode result; int res = TEST_ERR_FAILURE; struct WriteThis pooh; /* * Check proper handling of mime encoder feature when the part read callback * delivers data bytes one at a time. Use chunked encoding for accurate test. */ if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) { fprintf(stderr, "curl_global_init() failed\n"); return TEST_ERR_MAJOR_BAD; } easy = curl_easy_init(); /* First set the URL that is about to receive our POST. */ test_setopt(easy, CURLOPT_URL, URL); /* get verbose debug output please */ test_setopt(easy, CURLOPT_VERBOSE, 1L); /* include headers in the output */ test_setopt(easy, CURLOPT_HEADER, 1L); /* Prepare the callback structure. */ pooh.readptr = data; pooh.sizeleft = (curl_off_t) strlen(data); /* Build the mime tree. */ mime = curl_mime_init(easy); part = curl_mime_addpart(mime); curl_mime_name(part, "field"); curl_mime_encoder(part, "base64"); /* Using an undefined length forces chunked transfer. */ curl_mime_data_cb(part, (curl_off_t) -1, read_callback, NULL, NULL, &pooh); /* Bind mime data to its easy handle. */ test_setopt(easy, CURLOPT_MIMEPOST, mime); /* Send data. */ result = curl_easy_perform(easy); if(result) { fprintf(stderr, "curl_easy_perform() failed\n"); res = (int) result; } test_cleanup: curl_easy_cleanup(easy); curl_mime_free(mime); curl_global_cleanup(); return res; }