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1 /***************************************************************************
2  *                                  _   _ ____  _
3  *  Project                     ___| | | |  _ \| |
4  *                             / __| | | | |_) | |
5  *                            | (__| |_| |  _ <| |___
6  *                             \___|\___/|_| \_\_____|
7  *
8  * Copyright (C) 1998 - 2017, 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[]="this is what we post to the silly web server\n";
27 
28 struct WriteThis {
29   char *readptr;
30   size_t sizeleft;
31 };
32 
read_callback(void * ptr,size_t size,size_t nmemb,void * userp)33 static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *userp)
34 {
35   struct WriteThis *pooh = (struct WriteThis *)userp;
36 
37   if(size*nmemb < 1)
38     return 0;
39 
40   if(pooh->sizeleft) {
41     *(char *)ptr = pooh->readptr[0]; /* copy one single byte */
42     pooh->readptr++;                 /* advance pointer */
43     pooh->sizeleft--;                /* less data left */
44     return 1;                        /* we return 1 byte at a time! */
45   }
46 
47   return 0;                         /* no more data left to deliver */
48 }
49 
test(char * URL)50 int test(char *URL)
51 {
52   CURL *curl;
53   CURLcode res = CURLE_OK;
54 
55   struct WriteThis pooh;
56 
57   pooh.readptr = data;
58   pooh.sizeleft = strlen(data);
59 
60   if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
61     fprintf(stderr, "curl_global_init() failed\n");
62     return TEST_ERR_MAJOR_BAD;
63   }
64 
65   curl = curl_easy_init();
66   if(!curl) {
67     fprintf(stderr, "curl_easy_init() failed\n");
68     curl_global_cleanup();
69     return TEST_ERR_MAJOR_BAD;
70   }
71 
72   /* First set the URL that is about to receive our POST. */
73   test_setopt(curl, CURLOPT_URL, URL);
74 
75   /* Now specify we want to POST data */
76   test_setopt(curl, CURLOPT_POST, 1L);
77 
78 #ifdef CURL_DOES_CONVERSIONS
79   /* Convert the POST data to ASCII */
80   test_setopt(curl, CURLOPT_TRANSFERTEXT, 1L);
81 #endif
82 
83   /* Set the expected POST size */
84   test_setopt(curl, CURLOPT_POSTFIELDSIZE, (long)pooh.sizeleft);
85 
86   /* we want to use our own read function */
87   test_setopt(curl, CURLOPT_READFUNCTION, read_callback);
88 
89   /* pointer to pass to our read function */
90   test_setopt(curl, CURLOPT_READDATA, &pooh);
91 
92   /* get verbose debug output please */
93   test_setopt(curl, CURLOPT_VERBOSE, 1L);
94 
95   /* include headers in the output */
96   test_setopt(curl, CURLOPT_HEADER, 1L);
97 
98   /* Perform the request, res will get the return code */
99   res = curl_easy_perform(curl);
100 
101 test_cleanup:
102 
103   /* always cleanup */
104   curl_easy_cleanup(curl);
105   curl_global_cleanup();
106 
107   return res;
108 }
109