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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 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.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.
*
* SPDX-License-Identifier: curl
*
***************************************************************************/
#include "first.h"
#include "testtrace.h"
#include "memdebug.h"
struct t753_transfer_status {
CURL *easy;
const char *name;
bool pause;
bool is_paused;
bool seen_welcome;
};
static size_t t753_write_cb(char *ptr, size_t size, size_t nmemb, void *userp)
{
struct t753_transfer_status *st = userp;
size_t len = size * nmemb;
(void)ptr;
if(st->pause) {
curl_mfprintf(stderr, "[%s] write_cb(len=%zu), PAUSE\n", st->name, len);
st->is_paused = TRUE;
return CURL_READFUNC_PAUSE;
}
curl_mfprintf(stderr, "[%s] write_cb(len=%zu), CONSUME\n", st->name, len);
st->is_paused = FALSE;
return len;
}
static size_t t753_hd_cb(char *ptr, size_t size, size_t nmemb, void *userp)
{
struct t753_transfer_status *st = userp;
size_t len = size * nmemb;
curl_mfprintf(stderr, "[%s] hd_cb '%.*s'\n", st->name, (int)len, ptr);
if(!strcmp("230 Welcome you silly person\r\n", ptr)) {
st->seen_welcome = TRUE;
st->easy = NULL;
}
return len;
}
static bool t753_setup(const char *URL, const char *name,
CURL **peasy,
struct t753_transfer_status *st)
{
CURL *easy = NULL;
CURLcode res = CURLE_OK;
*peasy = NULL;
memset(st, 0, sizeof(*st));
st->name = name;
st->easy = easy;
st->pause = TRUE;
easy_init(easy);
easy_setopt(easy, CURLOPT_URL, URL);
easy_setopt(easy, CURLOPT_WRITEFUNCTION, t753_write_cb);
easy_setopt(easy, CURLOPT_WRITEDATA, st);
easy_setopt(easy, CURLOPT_HEADERFUNCTION, t753_hd_cb);
easy_setopt(easy, CURLOPT_HEADERDATA, st);
easy_setopt(easy, CURLOPT_NOPROGRESS, 1L);
easy_setopt(easy, CURLOPT_DEBUGDATA, &debug_config);
easy_setopt(easy, CURLOPT_DEBUGFUNCTION, libtest_debug_cb);
easy_setopt(easy, CURLOPT_VERBOSE, 1L);
*peasy = easy;
return TRUE;
test_cleanup:
if(easy)
curl_easy_cleanup(easy);
return FALSE;
}
static CURLcode test_lib753(const char *URL)
{
CURL *easy1 = NULL, *easy2 = NULL;
CURLM *multi = NULL;
struct t753_transfer_status st1, st2;
CURLcode res = CURLE_OK;
CURLMcode mres;
int still_running;
start_test_timing();
debug_config.nohex = TRUE;
debug_config.tracetime = TRUE;
curl_global_init(CURL_GLOBAL_DEFAULT);
curl_mfprintf(stderr, "init multi\n");
multi = curl_multi_init();
if(!multi) {
res = CURLE_OUT_OF_MEMORY;
goto test_cleanup;
}
if(!t753_setup(URL, "EASY1", &easy1, &st1))
goto test_cleanup;
multi_add_handle(multi, easy1);
multi_perform(multi, &still_running);
abort_on_test_timeout();
curl_mfprintf(stderr, "multi_perform() -> %d running\n", still_running);
while(still_running) {
int num;
/* The purpose of this Test:
* 1. Violently cleanup EASY1 *without* removing it from the multi
* handle first. This MUST discard the connection that EASY1 holds,
* as EASY1 is not DONE at this point.
* With the env var CURL_FTP_PWD_STOP set, the connection will
* have no outstanding data at this point. This would allow
* reuse if the connection is not terminated by the cleanup.
* 2. Add EASY2 for the same URL and observe in the expected result
* that the connection is NOT reused, e.g. all FTP commands
* are sent again on the new connection.
*/
if(easy1 && st1.seen_welcome) {
curl_easy_cleanup(easy1);
easy1 = NULL;
if(!easy2) {
if(!t753_setup(URL, "EASY2", &easy2, &st2))
goto test_cleanup;
st2.pause = FALSE;
multi_add_handle(multi, easy2);
}
}
mres = curl_multi_wait(multi, NULL, 0, 1, &num);
if(mres != CURLM_OK) {
curl_mfprintf(stderr, "curl_multi_wait() returned %d\n", mres);
res = TEST_ERR_MAJOR_BAD;
goto test_cleanup;
}
abort_on_test_timeout();
multi_perform(multi, &still_running);
curl_mfprintf(stderr, "multi_perform() -> %d running\n", still_running);
abort_on_test_timeout();
}
test_cleanup:
if(res)
curl_mfprintf(stderr, "ERROR: %s\n", curl_easy_strerror(res));
if(easy1)
curl_easy_cleanup(easy1);
if(easy2)
curl_easy_cleanup(easy2);
curl_multi_cleanup(multi);
curl_global_cleanup();
return res;
}
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