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 /*
23  * Make sure libcurl does not send a `Content-Length: -1` header when HTTP POST
24  * size is unknown.
25  */
26 
27 #include "test.h"
28 
29 #include "memdebug.h"
30 
31 static char data[]="dummy";
32 
33 struct WriteThis {
34   char *readptr;
35   size_t sizeleft;
36 };
37 
read_callback(void * ptr,size_t size,size_t nmemb,void * userp)38 static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *userp)
39 {
40   struct WriteThis *pooh = (struct WriteThis *)userp;
41 
42   if(size*nmemb < 1)
43     return 0;
44 
45   if(pooh->sizeleft) {
46     *(char *)ptr = pooh->readptr[0]; /* copy one single byte */
47     pooh->readptr++;                 /* advance pointer */
48     pooh->sizeleft--;                /* less data left */
49     return 1;                        /* we return 1 byte at a time! */
50   }
51 
52   return 0;                         /* no more data left to deliver */
53 }
54 
test(char * URL)55 int test(char *URL)
56 {
57   CURL *curl;
58   CURLcode result = CURLE_OK;
59   int res = 0;
60   struct WriteThis pooh = { data, sizeof(data)-1 };
61 
62   global_init(CURL_GLOBAL_ALL);
63 
64   easy_init(curl);
65 
66   easy_setopt(curl, CURLOPT_URL, URL);
67   easy_setopt(curl, CURLOPT_POST, 1L);
68   /* Purposely omit to set CURLOPT_POSTFIELDSIZE */
69   easy_setopt(curl, CURLOPT_READFUNCTION, read_callback);
70   easy_setopt(curl, CURLOPT_READDATA, &pooh);
71 #ifdef LIB1539
72   /* speak HTTP 1.0 - no chunked! */
73   easy_setopt(curl, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
74 #endif
75 
76   result = curl_easy_perform(curl);
77 
78 test_cleanup:
79 
80   curl_easy_cleanup(curl);
81   curl_global_cleanup();
82 
83   return (int)result;
84 }
85