mirror of
https://github.com/curl/curl.git
synced 2024-12-27 06:59:43 +08:00
dcd6f81025
The function does not return the same value as snprintf() normally does, so readers may be mislead into thinking the code works differently than it actually does. A different function name makes this easier to detect. Reported-by: Tomas Hoger Assisted-by: Daniel Gustafsson Fixes #3296 Closes #3297
155 lines
3.9 KiB
C
155 lines
3.9 KiB
C
/***************************************************************************
|
|
* _ _ ____ _
|
|
* Project ___| | | | _ \| |
|
|
* / __| | | | |_) | |
|
|
* | (__| |_| | _ <| |___
|
|
* \___|\___/|_| \_\_____|
|
|
*
|
|
* Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
|
|
*
|
|
* This software is licensed as described in the file COPYING, which
|
|
* you should have received as part of this distribution. The terms
|
|
* are also available at https://curl.haxx.se/docs/copyright.html.
|
|
*
|
|
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
|
|
* copies of the Software, and permit persons to whom the Software is
|
|
* furnished to do so, under the terms of the COPYING file.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
***************************************************************************/
|
|
|
|
/*
|
|
* Check for bugs #1303 and #1327: libcurl should never remove DNS entries
|
|
* created via CURLOPT_RESOLVE, neither after DNS_CACHE_TIMEOUT elapses
|
|
* (test1515) nor a dead connection is detected (test1616).
|
|
*/
|
|
|
|
#include "test.h"
|
|
#include "testutil.h"
|
|
#include "warnless.h"
|
|
#include "memdebug.h"
|
|
|
|
#define TEST_HANG_TIMEOUT 60 * 1000
|
|
|
|
#define DNS_TIMEOUT 1
|
|
|
|
#if defined(WIN32) || defined(_WIN32)
|
|
#define sleep(s) Sleep(s * 1000)
|
|
#endif
|
|
|
|
static int debug_callback(CURL *curl, curl_infotype info, char *msg,
|
|
size_t len, void *ptr)
|
|
{
|
|
(void)curl;
|
|
(void)ptr;
|
|
|
|
if(info == CURLINFO_TEXT)
|
|
fprintf(stderr, "debug: %.*s", (int) len, msg);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int do_one_request(CURLM *m, char *URL, char *resolve)
|
|
{
|
|
CURL *curls;
|
|
struct curl_slist *resolve_list = NULL;
|
|
int still_running;
|
|
int res = 0;
|
|
CURLMsg *msg;
|
|
int msgs_left;
|
|
|
|
resolve_list = curl_slist_append(resolve_list, resolve);
|
|
|
|
easy_init(curls);
|
|
|
|
easy_setopt(curls, CURLOPT_URL, URL);
|
|
easy_setopt(curls, CURLOPT_RESOLVE, resolve_list);
|
|
easy_setopt(curls, CURLOPT_DEBUGFUNCTION, debug_callback);
|
|
easy_setopt(curls, CURLOPT_VERBOSE, 1);
|
|
easy_setopt(curls, CURLOPT_DNS_CACHE_TIMEOUT, DNS_TIMEOUT);
|
|
|
|
multi_add_handle(m, curls);
|
|
multi_perform(m, &still_running);
|
|
|
|
abort_on_test_timeout();
|
|
|
|
while(still_running) {
|
|
struct timeval timeout;
|
|
fd_set fdread, fdwrite, fdexcep;
|
|
int maxfd = -99;
|
|
|
|
FD_ZERO(&fdread);
|
|
FD_ZERO(&fdwrite);
|
|
FD_ZERO(&fdexcep);
|
|
timeout.tv_sec = 1;
|
|
timeout.tv_usec = 0;
|
|
|
|
multi_fdset(m, &fdread, &fdwrite, &fdexcep, &maxfd);
|
|
select_test(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout);
|
|
|
|
abort_on_test_timeout();
|
|
multi_perform(m, &still_running);
|
|
|
|
abort_on_test_timeout();
|
|
}
|
|
|
|
do {
|
|
msg = curl_multi_info_read(m, &msgs_left);
|
|
if(msg && msg->msg == CURLMSG_DONE && msg->easy_handle == curls) {
|
|
res = msg->data.result;
|
|
break;
|
|
}
|
|
} while(msg);
|
|
|
|
test_cleanup:
|
|
|
|
curl_multi_remove_handle(m, curls);
|
|
curl_easy_cleanup(curls);
|
|
curl_slist_free_all(resolve_list);
|
|
|
|
return res;
|
|
}
|
|
|
|
int test(char *URL)
|
|
{
|
|
CURLM *multi = NULL;
|
|
int res = 0;
|
|
char *address = libtest_arg2;
|
|
char *port = libtest_arg3;
|
|
char *path = URL;
|
|
char dns_entry[256];
|
|
int i;
|
|
int count = 2;
|
|
|
|
msnprintf(dns_entry, sizeof(dns_entry), "testserver.example.com:%s:%s",
|
|
port, address);
|
|
|
|
start_test_timing();
|
|
|
|
global_init(CURL_GLOBAL_ALL);
|
|
multi_init(multi);
|
|
|
|
for(i = 1; i <= count; i++) {
|
|
char target_url[256];
|
|
msnprintf(target_url, sizeof(target_url),
|
|
"http://testserver.example.com:%s/%s%04d", port, path, i);
|
|
|
|
/* second request must succeed like the first one */
|
|
res = do_one_request(multi, target_url, dns_entry);
|
|
if(res)
|
|
goto test_cleanup;
|
|
|
|
if(i < count)
|
|
sleep(DNS_TIMEOUT + 1);
|
|
}
|
|
|
|
test_cleanup:
|
|
|
|
curl_multi_cleanup(multi);
|
|
curl_global_cleanup();
|
|
|
|
return (int) res;
|
|
}
|