1 /***************************************************************************
2  *                                  _   _ ____  _
3  *  Project                     ___| | | |  _ \| |
4  *                             / __| | | | |_) | |
5  *                            | (__| |_| |  _ <| |___
6  *                             \___|\___/|_| \_\_____|
7  *
8  * Copyright (C) 1998 - 2020, 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 #include "test.h"
23 
24 #include "memdebug.h"
25 
26 static char data[]=
27 #ifdef CURL_DOES_CONVERSIONS
28   /* ASCII representation with escape sequences for non-ASCII platforms */
29   "\x64\x75\x6d\x6d\x79";
30 #else
31   "dummy";
32 #endif
33 
34 struct WriteThis {
35   char *readptr;
36   curl_off_t sizeleft;
37 };
38 
read_callback(char * ptr,size_t size,size_t nmemb,void * userp)39 static size_t read_callback(char *ptr, size_t size, size_t nmemb, void *userp)
40 {
41   struct WriteThis *pooh = (struct WriteThis *)userp;
42   size_t len = strlen(pooh->readptr);
43 
44   (void) size; /* Always 1.*/
45 
46   if(len > nmemb)
47     len = nmemb;
48   if(len) {
49     memcpy(ptr, pooh->readptr, len);
50     pooh->readptr += len;
51   }
52   return len;
53 }
54 
test(char * URL)55 int test(char *URL)
56 {
57   CURL *easy = NULL;
58   curl_mime *mime = NULL;
59   curl_mimepart *part;
60   CURLcode result;
61   int res = TEST_ERR_FAILURE;
62   struct WriteThis pooh1, pooh2;
63 
64   /*
65    * Check early end of part data detection.
66    */
67 
68   if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
69     fprintf(stderr, "curl_global_init() failed\n");
70     return TEST_ERR_MAJOR_BAD;
71   }
72 
73   easy = curl_easy_init();
74 
75   /* First set the URL that is about to receive our POST. */
76   test_setopt(easy, CURLOPT_URL, URL);
77 
78   /* get verbose debug output please */
79   test_setopt(easy, CURLOPT_VERBOSE, 1L);
80 
81   /* include headers in the output */
82   test_setopt(easy, CURLOPT_HEADER, 1L);
83 
84   /* Prepare the callback structures. */
85   pooh1.readptr = data;
86   pooh1.sizeleft = (curl_off_t) strlen(data);
87   pooh2 = pooh1;
88 
89   /* Build the mime tree. */
90   mime = curl_mime_init(easy);
91   part = curl_mime_addpart(mime);
92   curl_mime_name(part, "field1");
93   /* Early end of data detection can be done because the data size is known. */
94   curl_mime_data_cb(part, (curl_off_t) strlen(data),
95                     read_callback, NULL, NULL, &pooh1);
96   part = curl_mime_addpart(mime);
97   curl_mime_name(part, "field2");
98   /* Using an undefined length forces chunked transfer and disables early
99      end of data detection for this part. */
100   curl_mime_data_cb(part, (curl_off_t) -1, read_callback, NULL, NULL, &pooh2);
101   part = curl_mime_addpart(mime);
102   curl_mime_name(part, "field3");
103   /* Regular file part sources early end of data can be detected because
104      the file size is known. In addition, and EOF test is performed. */
105   curl_mime_filedata(part, "log/file668.txt");
106 
107   /* Bind mime data to its easy handle. */
108   test_setopt(easy, CURLOPT_MIMEPOST, mime);
109 
110   /* Send data. */
111   result = curl_easy_perform(easy);
112   if(result) {
113     fprintf(stderr, "curl_easy_perform() failed\n");
114     res = (int) result;
115   }
116 
117 test_cleanup:
118   curl_easy_cleanup(easy);
119   curl_mime_free(mime);
120   curl_global_cleanup();
121   return res;
122 }
123