xref: /curl/tests/libtest/lib667.c (revision 25cbc2f7)
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 
28 static char data[]=
29   "dummy";
30 
31 struct WriteThis {
32   char *readptr;
33   curl_off_t sizeleft;
34 };
35 
read_callback(char * ptr,size_t size,size_t nmemb,void * userp)36 static size_t read_callback(char *ptr, size_t size, size_t nmemb, void *userp)
37 {
38   struct WriteThis *pooh = (struct WriteThis *)userp;
39   int eof = !*pooh->readptr;
40 
41   if(size*nmemb < 1)
42     return 0;
43 
44   eof = pooh->sizeleft <= 0;
45   if(!eof)
46     pooh->sizeleft--;
47 
48   if(!eof) {
49     *ptr = *pooh->readptr;           /* copy one single byte */
50     pooh->readptr++;                 /* advance pointer */
51     return 1;                        /* we return 1 byte at a time! */
52   }
53 
54   return 0;                         /* no more data left to deliver */
55 }
56 
test(char * URL)57 CURLcode test(char *URL)
58 {
59   CURL *easy = NULL;
60   curl_mime *mime = NULL;
61   curl_mimepart *part;
62   CURLcode res = TEST_ERR_FAILURE;
63   struct WriteThis pooh;
64 
65   /*
66    * Check proper handling of mime encoder feature when the part read callback
67    * delivers data bytes one at a time. Use chunked encoding for accurate test.
68    */
69 
70   if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
71     fprintf(stderr, "curl_global_init() failed\n");
72     return TEST_ERR_MAJOR_BAD;
73   }
74 
75   easy = curl_easy_init();
76 
77   /* First set the URL that is about to receive our POST. */
78   test_setopt(easy, CURLOPT_URL, URL);
79 
80   /* get verbose debug output please */
81   test_setopt(easy, CURLOPT_VERBOSE, 1L);
82 
83   /* include headers in the output */
84   test_setopt(easy, CURLOPT_HEADER, 1L);
85 
86   /* Prepare the callback structure. */
87   pooh.readptr = data;
88   pooh.sizeleft = (curl_off_t) strlen(data);
89 
90   /* Build the mime tree. */
91   mime = curl_mime_init(easy);
92   part = curl_mime_addpart(mime);
93   curl_mime_name(part, "field");
94   curl_mime_encoder(part, "base64");
95   /* Using an undefined length forces chunked transfer. */
96   curl_mime_data_cb(part, (curl_off_t) -1, read_callback, NULL, NULL, &pooh);
97 
98   /* Bind mime data to its easy handle. */
99   test_setopt(easy, CURLOPT_MIMEPOST, mime);
100 
101   /* Send data. */
102   res = curl_easy_perform(easy);
103   if(res != CURLE_OK) {
104     fprintf(stderr, "curl_easy_perform() failed\n");
105   }
106 
107 test_cleanup:
108   curl_easy_cleanup(easy);
109   curl_mime_free(mime);
110   curl_global_cleanup();
111   return res;
112 }
113