1 /***************************************************************************
2  *                                  _   _ ____  _
3  *  Project                     ___| | | |  _ \| |
4  *                             / __| | | | |_) | |
5  *                            | (__| |_| |  _ <| |___
6  *                             \___|\___/|_| \_\_____|
7  *
8  * Copyright (C) 1998 - 2011, 2017, 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 "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