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    1: /***************************************************************************
    2:  *                                  _   _ ____  _
    3:  *  Project                     ___| | | |  _ \| |
    4:  *                             / __| | | | |_) | |
    5:  *                            | (__| |_| |  _ <| |___
    6:  *                             \___|\___/|_| \_\_____|
    7:  *
    8:  * Copyright (C) 1998 - 2019, 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: /*
   25:   Check range/resume returned error codes and data presence.
   26: 
   27:   The input parameters are:
   28:   - CURLOPT_RANGE/CURLOPT_RESUME_FROM
   29:   - CURLOPT_FAILONERROR
   30:   - Returned http code (2xx/416)
   31:   - Content-Range header present in reply.
   32: 
   33: */
   34: 
   35: #include "memdebug.h"
   36: 
   37: #define F_RESUME        (1 << 0)        /* resume/range. */
   38: #define F_HTTP416       (1 << 1)        /* Server returns http code 416. */
   39: #define F_FAIL          (1 << 2)        /* Fail on error. */
   40: #define F_CONTENTRANGE  (1 << 3)        /* Server sends content-range hdr. */
   41: #define F_IGNOREBODY    (1 << 4)        /* Body should be ignored. */
   42: 
   43: typedef struct {
   44:   unsigned int flags; /* ORed flags as above. */
   45:   CURLcode result; /* Code that should be returned by curl_easy_perform(). */
   46: }  testparams;
   47: 
   48: static const testparams params[] = {
   49:   { 0,                                                             CURLE_OK },
   50:   {                                 F_CONTENTRANGE,                CURLE_OK },
   51:   {                        F_FAIL,                                 CURLE_OK },
   52:   {                        F_FAIL | F_CONTENTRANGE,                CURLE_OK },
   53:   {            F_HTTP416,                                          CURLE_OK },
   54:   {            F_HTTP416 |          F_CONTENTRANGE,                CURLE_OK },
   55:   {            F_HTTP416 | F_FAIL |                  F_IGNOREBODY,
   56:                                                   CURLE_HTTP_RETURNED_ERROR },
   57:   {            F_HTTP416 | F_FAIL | F_CONTENTRANGE | F_IGNOREBODY,
   58:                                                   CURLE_HTTP_RETURNED_ERROR },
   59:   { F_RESUME |                                       F_IGNOREBODY,
   60:                                                           CURLE_RANGE_ERROR },
   61:   { F_RESUME |                      F_CONTENTRANGE,                CURLE_OK },
   62:   { F_RESUME |             F_FAIL |                  F_IGNOREBODY,
   63:                                                           CURLE_RANGE_ERROR },
   64:   { F_RESUME |             F_FAIL | F_CONTENTRANGE,                CURLE_OK },
   65:   { F_RESUME | F_HTTP416 |                           F_IGNOREBODY, CURLE_OK },
   66:   { F_RESUME | F_HTTP416 |          F_CONTENTRANGE | F_IGNOREBODY, CURLE_OK },
   67:   { F_RESUME | F_HTTP416 | F_FAIL |                  F_IGNOREBODY,
   68:                                                   CURLE_HTTP_RETURNED_ERROR },
   69:   { F_RESUME | F_HTTP416 | F_FAIL | F_CONTENTRANGE | F_IGNOREBODY,
   70:                                                   CURLE_HTTP_RETURNED_ERROR }
   71: };
   72: 
   73: static int      hasbody;
   74: 
   75: static size_t writedata(char *data, size_t size, size_t nmemb, void *userdata)
   76: {
   77:   (void) data;
   78:   (void) userdata;
   79: 
   80:   if(size && nmemb)
   81:     hasbody = 1;
   82:   return size * nmemb;
   83: }
   84: 
   85: static int onetest(CURL *curl, const char *url, const testparams *p)
   86: {
   87:   CURLcode res;
   88:   unsigned int replyselector;
   89:   char urlbuf[256];
   90: 
   91:   replyselector = (p->flags & F_CONTENTRANGE)? 1: 0;
   92:   if(p->flags & F_HTTP416)
   93:     replyselector += 2;
   94:   msnprintf(urlbuf, sizeof(urlbuf), "%s%04u", url, replyselector);
   95:   test_setopt(curl, CURLOPT_URL, urlbuf);
   96:   test_setopt(curl, CURLOPT_RESUME_FROM, (p->flags & F_RESUME)? 3: 0);
   97:   test_setopt(curl, CURLOPT_RANGE, !(p->flags & F_RESUME)?
   98:                                    "3-1000000": (char *) NULL);
   99:   test_setopt(curl, CURLOPT_FAILONERROR, (p->flags & F_FAIL)? 1: 0);
  100:   hasbody = 0;
  101:   res = curl_easy_perform(curl);
  102:   if(res != p->result) {
  103:     fprintf(stderr, "bad error code (%d): resume=%s, fail=%s, http416=%s, "
  104:                     "content-range=%s, expected=%d\n", res,
  105:                     (p->flags & F_RESUME)? "yes": "no",
  106:                     (p->flags & F_FAIL)? "yes": "no",
  107:                     (p->flags & F_HTTP416)? "yes": "no",
  108:                     (p->flags & F_CONTENTRANGE)? "yes": "no",
  109:                     p->result);
  110:     return 1;
  111:   }
  112:   if(hasbody && (p->flags & F_IGNOREBODY)) {
  113:     fprintf(stderr, "body should be ignored and is not: resume=%s, fail=%s, "
  114:                     "http416=%s, content-range=%s\n",
  115:                     (p->flags & F_RESUME)? "yes": "no",
  116:                     (p->flags & F_FAIL)? "yes": "no",
  117:                     (p->flags & F_HTTP416)? "yes": "no",
  118:                     (p->flags & F_CONTENTRANGE)? "yes": "no");
  119:     return 1;
  120:   }
  121:   return 0;
  122: 
  123:   test_cleanup:
  124: 
  125:   return 1;
  126: }
  127: 
  128: int test(char *URL)
  129: {
  130:   CURLcode res;
  131:   CURL *curl;
  132:   size_t i;
  133:   int status = 0;
  134: 
  135:   if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
  136:     fprintf(stderr, "curl_global_init() failed\n");
  137:     return TEST_ERR_MAJOR_BAD;
  138:   }
  139: 
  140:   curl = curl_easy_init();
  141:   if(!curl) {
  142:     fprintf(stderr, "curl_easy_init() failed\n");
  143:     curl_global_cleanup();
  144:     return TEST_ERR_MAJOR_BAD;
  145:   }
  146: 
  147:   test_setopt(curl, CURLOPT_WRITEFUNCTION, writedata);
  148: 
  149:   for(i = 0; i < sizeof(params) / sizeof(params[0]); i++)
  150:     status |= onetest(curl, URL, params + i);
  151: 
  152:   curl_easy_cleanup(curl);
  153:   curl_global_cleanup();
  154:   return status;
  155: 
  156:   test_cleanup:
  157: 
  158:   curl_easy_cleanup(curl);
  159:   curl_global_cleanup();
  160: 
  161:   return (int)res;
  162: }