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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: #include <limits.h>
   25: 
   26: #include "testutil.h"
   27: #include "warnless.h"
   28: #include "memdebug.h"
   29: 
   30: #define TEST_HANG_TIMEOUT 5 * 1000
   31: 
   32: /*
   33:  * Test case for below scenario:
   34:  *   - Connect to an FTP server using CONNECT_ONLY option
   35:  *
   36:  * The test case originated for verifying CONNECT_ONLY option shall not
   37:  * block after protocol connect is done, but it returns the message
   38:  * with function curl_multi_info_read().
   39:  */
   40: 
   41: int test(char *URL)
   42: {
   43:   CURL *easy = NULL;
   44:   CURLM *multi = NULL;
   45:   int res = 0;
   46:   int running;
   47:   int msgs_left;
   48:   CURLMsg *msg;
   49: 
   50:   start_test_timing();
   51: 
   52:   global_init(CURL_GLOBAL_ALL);
   53: 
   54:   easy_init(easy);
   55: 
   56:   multi_init(multi);
   57: 
   58:   /* go verbose */
   59:   easy_setopt(easy, CURLOPT_VERBOSE, 1L);
   60: 
   61:   /* specify target */
   62:   easy_setopt(easy, CURLOPT_URL, URL);
   63: 
   64:   easy_setopt(easy, CURLOPT_CONNECT_ONLY, 1L);
   65: 
   66:   multi_add_handle(multi, easy);
   67: 
   68:   for(;;) {
   69:     struct timeval interval;
   70:     fd_set fdread;
   71:     fd_set fdwrite;
   72:     fd_set fdexcep;
   73:     long timeout = -99;
   74:     int maxfd = -99;
   75: 
   76:     multi_perform(multi, &running);
   77: 
   78:     abort_on_test_timeout();
   79: 
   80:     if(!running)
   81:       break; /* done */
   82: 
   83:     FD_ZERO(&fdread);
   84:     FD_ZERO(&fdwrite);
   85:     FD_ZERO(&fdexcep);
   86: 
   87:     multi_fdset(multi, &fdread, &fdwrite, &fdexcep, &maxfd);
   88: 
   89:     /* At this point, maxfd is guaranteed to be greater or equal than -1. */
   90: 
   91:     multi_timeout(multi, &timeout);
   92: 
   93:     /* At this point, timeout is guaranteed to be greater or equal than
   94:        -1. */
   95: 
   96:     if(timeout != -1L) {
   97:       int itimeout = (timeout > (long)INT_MAX) ? INT_MAX : (int)timeout;
   98:       interval.tv_sec = itimeout/1000;
   99:       interval.tv_usec = (itimeout%1000)*1000;
  100:     }
  101:     else {
  102:       interval.tv_sec = TEST_HANG_TIMEOUT/1000 + 1;
  103:       interval.tv_usec = 0;
  104:     }
  105: 
  106:     select_test(maxfd + 1, &fdread, &fdwrite, &fdexcep, &interval);
  107: 
  108:     abort_on_test_timeout();
  109:   }
  110: 
  111:   msg = curl_multi_info_read(multi, &msgs_left);
  112:   if(msg)
  113:     res = msg->data.result;
  114: 
  115:   multi_remove_handle(multi, easy);
  116: 
  117: test_cleanup:
  118: 
  119:   /* undocumented cleanup sequence - type UA */
  120: 
  121:   curl_multi_cleanup(multi);
  122:   curl_easy_cleanup(easy);
  123:   curl_global_cleanup();
  124: 
  125:   return res;
  126: }