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curl/tests/libtest/lib1553.c
Daniel Stenberg 5b54df06d2
pingpong: return error when trying to send without connection
When imap_done() got called before a connection is setup, it would try
to "finish up" and dereffed a NULL pointer.

Test case 1553 managed to reproduce. I had to actually use a host name
to try to resolve to slow it down, as using the normal local server IP
will make libcurl get a connection in the first curl_multi_perform()
loop and then the bug doesn't trigger.

Fixes #1953
Assisted-by: Max Dymond
2017-10-07 00:20:31 +02:00

110 lines
2.9 KiB
C

/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2017, 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.
*
***************************************************************************/
#include "test.h"
#include "testutil.h"
#include "warnless.h"
#include "memdebug.h"
#define TEST_HANG_TIMEOUT 60 * 1000
static int xferinfo(void *p,
curl_off_t dltotal, curl_off_t dlnow,
curl_off_t ultotal, curl_off_t ulnow)
{
(void)p;
(void)dlnow;
(void)dltotal;
(void)ulnow;
(void)ultotal;
fprintf(stderr, "xferinfo fail!\n");
return 1; /* fail as fast as we can */
}
int test(char *URL)
{
CURL *curls = NULL;
CURLM *multi = NULL;
int still_running;
int i = 0;
int res = 0;
curl_mimepart *field = NULL;
curl_mime *mime = NULL;
int counter = 1;
start_test_timing();
global_init(CURL_GLOBAL_ALL);
multi_init(multi);
easy_init(curls);
mime = curl_mime_init(curls);
field = curl_mime_addpart(mime);
curl_mime_name(field, "name");
curl_mime_data(field, "value", CURL_ZERO_TERMINATED);
easy_setopt(curls, CURLOPT_URL, URL);
easy_setopt(curls, CURLOPT_HEADER, 1L);
easy_setopt(curls, CURLOPT_VERBOSE, 1L);
easy_setopt(curls, CURLOPT_MIMEPOST, mime);
easy_setopt(curls, CURLOPT_USERPWD, "u:s");
easy_setopt(curls, CURLOPT_XFERINFOFUNCTION, xferinfo);
easy_setopt(curls, CURLOPT_NOPROGRESS, 1L);
multi_add_handle(multi, curls);
multi_perform(multi, &still_running);
abort_on_test_timeout();
while(still_running && counter--) {
int num;
res = curl_multi_wait(multi, NULL, 0, TEST_HANG_TIMEOUT, &num);
if(res != CURLM_OK) {
printf("curl_multi_wait() returned %d\n", res);
res = TEST_ERR_MAJOR_BAD;
goto test_cleanup;
}
abort_on_test_timeout();
multi_perform(multi, &still_running);
abort_on_test_timeout();
}
test_cleanup:
curl_mime_free(mime);
curl_multi_remove_handle(multi, curls);
curl_multi_cleanup(multi);
curl_easy_cleanup(curls);
curl_global_cleanup();
if(res)
i = res;
return i; /* return the final return code */
}