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1 /***************************************************************************
2  *                                  _   _ ____  _
3  *  Project                     ___| | | |  _ \| |
4  *                             / __| | | | |_) | |
5  *                            | (__| |_| |  _ <| |___
6  *                             \___|\___/|_| \_\_____|
7  *
8  * Copyright (C) 1998 - 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 /*
29  * This is the list of basic details you need to tweak to get things right.
30  */
31 #define USERNAME "user@example.com"
32 #define PASSWORD "123qwerty"
33 #define RECIPIENT "<1507-recipient@example.com>"
34 #define MAILFROM "<1507-realuser@example.com>"
35 
36 #define MULTI_PERFORM_HANG_TIMEOUT 60 * 1000
37 
read_callback(void * ptr,size_t size,size_t nmemb,void * userp)38 static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *userp)
39 {
40   (void)ptr;
41   (void)size;
42   (void)nmemb;
43   (void)userp;
44   return CURL_READFUNC_ABORT;
45 }
46 
test(char * URL)47 int test(char *URL)
48 {
49    int res = 0;
50    CURL *curl = NULL;
51    CURLM *mcurl = NULL;
52    int still_running = 1;
53    struct timeval mp_start;
54    struct curl_slist *rcpt_list = NULL;
55 
56    curl_global_init(CURL_GLOBAL_DEFAULT);
57 
58    easy_init(curl);
59 
60    multi_init(mcurl);
61 
62    rcpt_list = curl_slist_append(rcpt_list, RECIPIENT);
63    /* more addresses can be added here
64       rcpt_list = curl_slist_append(rcpt_list, "<others@example.com>");
65    */
66 
67    curl_easy_setopt(curl, CURLOPT_URL, URL);
68 #if 0
69    curl_easy_setopt(curl, CURLOPT_USERNAME, USERNAME);
70    curl_easy_setopt(curl, CURLOPT_PASSWORD, PASSWORD);
71 #endif
72    curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
73    curl_easy_setopt(curl, CURLOPT_READFUNCTION, read_callback);
74    curl_easy_setopt(curl, CURLOPT_MAIL_FROM, MAILFROM);
75    curl_easy_setopt(curl, CURLOPT_MAIL_RCPT, rcpt_list);
76    curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
77    multi_add_handle(mcurl, curl);
78 
79    mp_start = tutil_tvnow();
80 
81   /* we start some action by calling perform right away */
82   curl_multi_perform(mcurl, &still_running);
83 
84   while(still_running) {
85     struct timeval timeout;
86     int rc; /* select() return code */
87 
88     fd_set fdread;
89     fd_set fdwrite;
90     fd_set fdexcep;
91     int maxfd = -1;
92 
93     long curl_timeo = -1;
94 
95     FD_ZERO(&fdread);
96     FD_ZERO(&fdwrite);
97     FD_ZERO(&fdexcep);
98 
99     /* set a suitable timeout to play around with */
100     timeout.tv_sec = 1;
101     timeout.tv_usec = 0;
102 
103     curl_multi_timeout(mcurl, &curl_timeo);
104     if(curl_timeo >= 0) {
105       timeout.tv_sec = curl_timeo / 1000;
106       if(timeout.tv_sec > 1)
107         timeout.tv_sec = 1;
108       else
109         timeout.tv_usec = (curl_timeo % 1000) * 1000;
110     }
111 
112     /* get file descriptors from the transfers */
113     curl_multi_fdset(mcurl, &fdread, &fdwrite, &fdexcep, &maxfd);
114 
115     /* In a real-world program you OF COURSE check the return code of the
116        function calls.  On success, the value of maxfd is guaranteed to be
117        greater or equal than -1.  We call select(maxfd + 1, ...), specially in
118        case of (maxfd == -1), we call select(0, ...), which is basically equal
119        to sleep. */
120 
121     rc = select(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout);
122 
123     if(tutil_tvdiff(tutil_tvnow(), mp_start) > MULTI_PERFORM_HANG_TIMEOUT) {
124       fprintf(stderr, "ABORTING TEST, since it seems "
125               "that it would have run forever.\n");
126       break;
127     }
128 
129     switch(rc) {
130     case -1:
131       /* select error */
132       break;
133     case 0: /* timeout */
134     default: /* action */
135       curl_multi_perform(mcurl, &still_running);
136       break;
137     }
138   }
139 
140 test_cleanup:
141 
142   curl_slist_free_all(rcpt_list);
143   curl_multi_remove_handle(mcurl, curl);
144   curl_multi_cleanup(mcurl);
145   curl_easy_cleanup(curl);
146   curl_global_cleanup();
147 
148   return res;
149 }
150