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      1 /***************************************************************************
      2  *                                  _   _ ____  _
      3  *  Project                     ___| | | |  _ \| |
      4  *                             / __| | | | |_) | |
      5  *                            | (__| |_| |  _ <| |___
      6  *                             \___|\___/|_| \_\_____|
      7  *
      8  * Copyright (C) 1998 - 2016, 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 #include "test.h"
     23 
     24 #include "memdebug.h"
     25 
     26 static const char * const post[]={
     27   "one",
     28   "two",
     29   "three",
     30   "and a final longer crap: four",
     31   NULL
     32 };
     33 
     34 
     35 struct WriteThis {
     36   int counter;
     37 };
     38 
     39 static int progress_callback(void *clientp, double dltotal, double dlnow,
     40                              double ultotal, double ulnow)
     41 {
     42   FILE *moo;
     43   static int prev_ultotal = -1;
     44   static int prev_ulnow = -1;
     45   (void)clientp; /* UNUSED */
     46   (void)dltotal; /* UNUSED */
     47   (void)dlnow; /* UNUSED */
     48 
     49   /* to avoid depending on timing, which will cause this progress function to
     50      get called a different number of times depending on circumstances, we
     51      only log these lines if the numbers are different from the previous
     52      invoke */
     53   if((prev_ultotal != (int)ultotal) ||
     54      (prev_ulnow != (int)ulnow)) {
     55 
     56     moo = fopen(libtest_arg2, "ab");
     57     if(moo) {
     58       fprintf(moo, "Progress callback called with UL %d out of %d\n",
     59               (int)ulnow, (int)ultotal);
     60       fclose(moo);
     61     }
     62     prev_ulnow = (int) ulnow;
     63     prev_ultotal = (int) ultotal;
     64   }
     65   return 0;
     66 }
     67 
     68 static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *userp)
     69 {
     70   struct WriteThis *pooh = (struct WriteThis *)userp;
     71   const char *data;
     72 
     73   if(size*nmemb < 1)
     74     return 0;
     75 
     76   data = post[pooh->counter];
     77 
     78   if(data) {
     79     size_t len = strlen(data);
     80     memcpy(ptr, data, len);
     81     pooh->counter++; /* advance pointer */
     82     return len;
     83   }
     84   return 0;                         /* no more data left to deliver */
     85 }
     86 
     87 int test(char *URL)
     88 {
     89   CURL *curl;
     90   CURLcode res=CURLE_OK;
     91   struct curl_slist *slist = NULL;
     92   struct WriteThis pooh;
     93   pooh.counter = 0;
     94 
     95   if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
     96     fprintf(stderr, "curl_global_init() failed\n");
     97     return TEST_ERR_MAJOR_BAD;
     98   }
     99 
    100   if((curl = curl_easy_init()) == NULL) {
    101     fprintf(stderr, "curl_easy_init() failed\n");
    102     curl_global_cleanup();
    103     return TEST_ERR_MAJOR_BAD;
    104   }
    105 
    106   slist = curl_slist_append(slist, "Transfer-Encoding: chunked");
    107   if(slist == NULL) {
    108     fprintf(stderr, "curl_slist_append() failed\n");
    109     curl_easy_cleanup(curl);
    110     curl_global_cleanup();
    111     return TEST_ERR_MAJOR_BAD;
    112   }
    113 
    114   /* First set the URL that is about to receive our POST. */
    115   test_setopt(curl, CURLOPT_URL, URL);
    116 
    117   /* Now specify we want to POST data */
    118   test_setopt(curl, CURLOPT_POST, 1L);
    119 
    120 #ifdef CURL_DOES_CONVERSIONS
    121   /* Convert the POST data to ASCII */
    122   test_setopt(curl, CURLOPT_TRANSFERTEXT, 1L);
    123 #endif
    124 
    125   /* we want to use our own read function */
    126   test_setopt(curl, CURLOPT_READFUNCTION, read_callback);
    127 
    128   /* pointer to pass to our read function */
    129   test_setopt(curl, CURLOPT_READDATA, &pooh);
    130 
    131   /* get verbose debug output please */
    132   test_setopt(curl, CURLOPT_VERBOSE, 1L);
    133 
    134   /* include headers in the output */
    135   test_setopt(curl, CURLOPT_HEADER, 1L);
    136 
    137   /* enforce chunked transfer by setting the header */
    138   test_setopt(curl, CURLOPT_HTTPHEADER, slist);
    139 
    140   test_setopt(curl, CURLOPT_HTTPAUTH, (long)CURLAUTH_DIGEST);
    141   test_setopt(curl, CURLOPT_USERPWD, "foo:bar");
    142 
    143   /* we want to use our own progress function */
    144   test_setopt(curl, CURLOPT_NOPROGRESS, 0L);
    145   test_setopt(curl, CURLOPT_PROGRESSFUNCTION, progress_callback);
    146 
    147   /* Perform the request, res will get the return code */
    148   res = curl_easy_perform(curl);
    149 
    150 test_cleanup:
    151 
    152   /* clean up the headers list */
    153   if(slist)
    154     curl_slist_free_all(slist);
    155 
    156   /* always cleanup */
    157   curl_easy_cleanup(curl);
    158   curl_global_cleanup();
    159 
    160   return res;
    161 }
    162