openssl/test/memleaktest.c

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2023-05-09 22:08:48 +00:00
/*
* Copyright 2016-2017 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <string.h>
#include <openssl/bio.h>
#include <openssl/crypto.h>
#include "testutil.h"
/*
* We use a proper main function here instead of the custom main from the
* test framework because the CRYPTO_mem_leaks_fp function cannot be called
* a second time without trying to use a null pointer. The test framework
* calls this function as part of its close down.
*
* A work around is to call putenv("OPENSSL_DEBUG_MEMORY=0"); before exiting
* but that is worse than avoiding the test framework's main.
*/
int main(int argc, char *argv[])
{
#ifndef OPENSSL_NO_CRYPTO_MDEBUG
char *p;
char *lost;
int noleak;
p = getenv("OPENSSL_DEBUG_MEMORY");
if (p != NULL && strcmp(p, "on") == 0)
CRYPTO_set_mem_debug(1);
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
lost = OPENSSL_malloc(3);
if (!TEST_ptr(lost))
return EXIT_FAILURE;
if (argv[1] && strcmp(argv[1], "freeit") == 0) {
OPENSSL_free(lost);
lost = NULL;
}
noleak = CRYPTO_mem_leaks_fp(stderr);
/* If -1 return value something bad happened */
if (!TEST_int_ne(noleak, -1))
return EXIT_FAILURE;
return TEST_int_eq(lost != NULL, noleak == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
#else
return EXIT_SUCCESS;
#endif
}