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      1 /***************************************************************************
      2  *                                  _   _ ____  _
      3  *  Project                     ___| | | |  _ \| |
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      5  *                            | (__| |_| |  _ <| |___
      6  *                             \___|\___/|_| \_\_____|
      7  *
      8  * Copyright (C) 1998 - 2011, 2017, 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 "testutil.h"
     25 #include "warnless.h"
     26 #include "memdebug.h"
     27 
     28 #define TEST_HANG_TIMEOUT 60 * 1000
     29 
     30 /*
     31  * Simply download a HTTPS file!
     32  *
     33  * This test was added after the HTTPS-using-multi-interface with OpenSSL
     34  * regression of 7.19.1 to hopefully prevent this embarassing mistake from
     35  * appearing again... Unfortunately the bug wasn't triggered by this test,
     36  * which presumably is because the connect to a local server is too
     37  * fast/different compared to the real/distant servers we saw the bug happen
     38  * with.
     39  */
     40 int test(char *URL)
     41 {
     42   CURL *http_handle = NULL;
     43   CURLM *multi_handle = NULL;
     44   int res = 0;
     45 
     46   int still_running; /* keep number of running handles */
     47 
     48   start_test_timing();
     49 
     50   /*
     51   ** curl_global_init called indirectly from curl_easy_init.
     52   */
     53 
     54   easy_init(http_handle);
     55 
     56   /* set options */
     57   easy_setopt(http_handle, CURLOPT_URL, URL);
     58   easy_setopt(http_handle, CURLOPT_HEADER, 1L);
     59   easy_setopt(http_handle, CURLOPT_SSL_VERIFYPEER, 0L);
     60   easy_setopt(http_handle, CURLOPT_SSL_VERIFYHOST, 0L);
     61 
     62   /* init a multi stack */
     63   multi_init(multi_handle);
     64 
     65   /* add the individual transfers */
     66   multi_add_handle(multi_handle, http_handle);
     67 
     68   /* we start some action by calling perform right away */
     69   multi_perform(multi_handle, &still_running);
     70 
     71   abort_on_test_timeout();
     72 
     73   while(still_running) {
     74     struct timeval timeout;
     75 
     76     fd_set fdread;
     77     fd_set fdwrite;
     78     fd_set fdexcep;
     79     int maxfd = -99;
     80 
     81     FD_ZERO(&fdread);
     82     FD_ZERO(&fdwrite);
     83     FD_ZERO(&fdexcep);
     84 
     85     /* set a suitable timeout to play around with */
     86     timeout.tv_sec = 1;
     87     timeout.tv_usec = 0;
     88 
     89     /* get file descriptors from the transfers */
     90     multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd);
     91 
     92     /* At this point, maxfd is guaranteed to be greater or equal than -1. */
     93 
     94     select_test(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout);
     95 
     96     abort_on_test_timeout();
     97 
     98     /* timeout or readable/writable sockets */
     99     multi_perform(multi_handle, &still_running);
    100 
    101     abort_on_test_timeout();
    102   }
    103 
    104 test_cleanup:
    105 
    106   /* undocumented cleanup sequence - type UA */
    107 
    108   curl_multi_cleanup(multi_handle);
    109   curl_easy_cleanup(http_handle);
    110   curl_global_cleanup();
    111 
    112   return res;
    113 }
    114