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 
test(char * URL)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 }
127