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      1 /***************************************************************************
      2  *                                  _   _ ____  _
      3  *  Project                     ___| | | |  _ \| |
      4  *                             / __| | | | |_) | |
      5  *                            | (__| |_| |  _ <| |___
      6  *                             \___|\___/|_| \_\_____|
      7  *
      8  * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel (at) 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 
     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 
     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 
     72   result = curl_easy_perform(curl);
     73 
     74 test_cleanup:
     75 
     76   curl_easy_cleanup(curl);
     77   curl_global_cleanup();
     78 
     79   return (int)result;
     80 }
     81