1/*************************************************************************** 2 * _ _ ____ _ 3 * Project ___| | | | _ \| | 4 * / __| | | | |_) | | 5 * | (__| |_| | _ <| |___ 6 * \___|\___/|_| \_\_____| 7 * 8 * Copyright (C) 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.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 * SPDX-License-Identifier: curl 22 * 23 ***************************************************************************/ 24#include "test.h" 25 26#include "memdebug.h" 27 28static char data[]= 29 "dummy\n"; 30 31struct WriteThis { 32 char *readptr; 33 curl_off_t sizeleft; 34 int freecount; 35}; 36 37static void free_callback(void *userp) 38{ 39 struct WriteThis *pooh = (struct WriteThis *) userp; 40 41 pooh->freecount++; 42} 43 44static size_t read_callback(char *ptr, size_t size, size_t nmemb, void *userp) 45{ 46 struct WriteThis *pooh = (struct WriteThis *)userp; 47 int eof = !*pooh->readptr; 48 49 if(size*nmemb < 1) 50 return 0; 51 52 eof = pooh->sizeleft <= 0; 53 if(!eof) 54 pooh->sizeleft--; 55 56 if(!eof) { 57 *ptr = *pooh->readptr; /* copy one single byte */ 58 pooh->readptr++; /* advance pointer */ 59 return 1; /* we return 1 byte at a time! */ 60 } 61 62 return 0; /* no more data left to deliver */ 63} 64 65int test(char *URL) 66{ 67 CURL *easy = NULL; 68 CURL *easy2 = NULL; 69 curl_mime *mime = NULL; 70 curl_mimepart *part; 71 struct curl_slist *hdrs = NULL; 72 CURLcode result; 73 int res = TEST_ERR_FAILURE; 74 struct WriteThis pooh; 75 76 /* 77 * Check proper copy/release of mime post data bound to a duplicated 78 * easy handle. 79 */ 80 81 if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) { 82 fprintf(stderr, "curl_global_init() failed\n"); 83 return TEST_ERR_MAJOR_BAD; 84 } 85 86 easy = curl_easy_init(); 87 88 /* First set the URL that is about to receive our POST. */ 89 test_setopt(easy, CURLOPT_URL, URL); 90 91 /* get verbose debug output please */ 92 test_setopt(easy, CURLOPT_VERBOSE, 1L); 93 94 /* include headers in the output */ 95 test_setopt(easy, CURLOPT_HEADER, 1L); 96 97 /* Prepare the callback structure. */ 98 pooh.readptr = data; 99 pooh.sizeleft = (curl_off_t) strlen(data); 100 pooh.freecount = 0; 101 102 /* Build the mime tree. */ 103 mime = curl_mime_init(easy); 104 part = curl_mime_addpart(mime); 105 curl_mime_data(part, "hello", CURL_ZERO_TERMINATED); 106 curl_mime_name(part, "greeting"); 107 curl_mime_type(part, "application/X-Greeting"); 108 curl_mime_encoder(part, "base64"); 109 hdrs = curl_slist_append(hdrs, "X-Test-Number: 654"); 110 curl_mime_headers(part, hdrs, TRUE); 111 part = curl_mime_addpart(mime); 112 curl_mime_filedata(part, libtest_arg2); 113 part = curl_mime_addpart(mime); 114 curl_mime_data_cb(part, (curl_off_t) -1, read_callback, NULL, free_callback, 115 &pooh); 116 117 /* Bind mime data to its easy handle. */ 118 test_setopt(easy, CURLOPT_MIMEPOST, mime); 119 120 /* Duplicate the handle. */ 121 easy2 = curl_easy_duphandle(easy); 122 if(!easy2) { 123 fprintf(stderr, "curl_easy_duphandle() failed\n"); 124 res = TEST_ERR_FAILURE; 125 goto test_cleanup; 126 } 127 128 /* Now free the mime structure: it should unbind it from the first 129 easy handle. */ 130 curl_mime_free(mime); 131 mime = NULL; /* Already cleaned up. */ 132 133 /* Perform on the first handle: should not send any data. */ 134 result = curl_easy_perform(easy); 135 if(result) { 136 fprintf(stderr, "curl_easy_perform(original) failed\n"); 137 res = (int) result; 138 goto test_cleanup; 139 } 140 141 /* Perform on the second handle: if the bound mime structure has not been 142 duplicated properly, it should cause a valgrind error. */ 143 result = curl_easy_perform(easy2); 144 if(result) { 145 fprintf(stderr, "curl_easy_perform(duplicated) failed\n"); 146 res = (int) result; 147 goto test_cleanup; 148 } 149 150 /* Free the duplicated handle: it should call free_callback again. 151 If the mime copy was bad or not automatically released, valgrind 152 will signal it. */ 153 curl_easy_cleanup(easy2); 154 easy2 = NULL; /* Already cleaned up. */ 155 156 if(pooh.freecount != 2) { 157 fprintf(stderr, "free_callback() called %d times instead of 2\n", 158 pooh.freecount); 159 res = TEST_ERR_FAILURE; 160 goto test_cleanup; 161 } 162 163test_cleanup: 164 curl_easy_cleanup(easy); 165 curl_easy_cleanup(easy2); 166 curl_mime_free(mime); 167 curl_global_cleanup(); 168 return res; 169} 170