718 lines
22 KiB
C
718 lines
22 KiB
C
/* crypto/mem_dbg.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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/* ====================================================================
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* Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* openssl-core@openssl.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include "internal/cryptlib.h"
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#include <openssl/crypto.h>
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#include <openssl/buffer.h>
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#include <openssl/bio.h>
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#include <openssl/lhash.h>
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#if defined(CRYPTO_MDEBUG_BACKTRACE) && defined(__GNUC__)
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# include <execinfo.h>
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#endif
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/*
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* The state changes to CRYPTO_MEM_CHECK_ON | CRYPTO_MEM_CHECK_ENABLE when
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* the application asks for it (usually after library initialisation for
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* which no book-keeping is desired). State CRYPTO_MEM_CHECK_ON exists only
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* temporarily when the library thinks that certain allocations should not be
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* checked (e.g. the data structures used for memory checking). It is not
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* suitable as an initial state: the library will unexpectedly enable memory
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* checking when it executes one of those sections that want to disable
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* checking temporarily. State CRYPTO_MEM_CHECK_ENABLE without ..._ON makes
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* no sense whatsoever.
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*/
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#ifndef OPENSSL_NO_CRYPTO_MDEBUG
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static int mh_mode = CRYPTO_MEM_CHECK_OFF;
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#endif
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#ifndef OPENSSL_NO_CRYPTO_MDEBUG
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static unsigned long order = 0; /* number of memory requests */
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/*-
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* For application-defined information (static C-string `info')
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* to be displayed in memory leak list.
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* Each thread has its own stack. For applications, there is
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* OPENSSL_mem_debug_push("...") to push an entry,
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* OPENSSL_mem_debug_pop() to pop an entry,
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*/
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struct app_mem_info_st {
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CRYPTO_THREADID threadid;
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const char *file;
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int line;
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const char *info;
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struct app_mem_info_st *next; /* tail of thread's stack */
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int references;
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};
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/*
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* hash-table with those app_mem_info_st's that are at the
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* top of their thread's stack (with `thread' as key); access requires
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* MALLOC2 lock
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*/
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static LHASH_OF(APP_INFO) *amih = NULL;
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/* memory-block description */
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struct mem_st {
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void *addr;
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int num;
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const char *file;
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int line;
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CRYPTO_THREADID threadid;
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unsigned long order;
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time_t time;
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APP_INFO *app_info;
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#if defined(CRYPTO_MDEBUG_BACKTRACE) && defined(__GNUC__)
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void *array[30];
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size_t array_siz;
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#endif
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};
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static LHASH_OF(MEM) *mh = NULL; /* hash-table of memory requests (address as
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* key); access requires MALLOC2 lock */
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/* num_disable > 0 iff mh_mode == CRYPTO_MEM_CHECK_ON (w/o ..._ENABLE) */
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static unsigned int num_disable = 0;
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/*
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* Valid iff num_disable > 0. CRYPTO_LOCK_MALLOC2 is locked exactly in this
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* case (by the thread named in disabling_thread).
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*/
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static CRYPTO_THREADID disabling_threadid;
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static void app_info_free(APP_INFO *inf)
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{
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if (!inf)
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return;
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if (--(inf->references) <= 0) {
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app_info_free(inf->next);
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OPENSSL_free(inf);
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}
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}
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#endif
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int CRYPTO_mem_ctrl(int mode)
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{
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#ifdef OPENSSL_NO_CRYPTO_MDEBUG
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return mode - mode;
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#else
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int ret = mh_mode;
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CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
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switch (mode) {
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default:
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break;
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case CRYPTO_MEM_CHECK_ON:
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mh_mode = CRYPTO_MEM_CHECK_ON | CRYPTO_MEM_CHECK_ENABLE;
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num_disable = 0;
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break;
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case CRYPTO_MEM_CHECK_OFF:
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mh_mode = 0;
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num_disable = 0;
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break;
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/* switch off temporarily (for library-internal use): */
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case CRYPTO_MEM_CHECK_DISABLE:
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if (mh_mode & CRYPTO_MEM_CHECK_ON) {
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CRYPTO_THREADID cur;
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CRYPTO_THREADID_current(&cur);
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/* see if we don't have the MALLOC2 lock already */
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if (!num_disable
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|| CRYPTO_THREADID_cmp(&disabling_threadid, &cur)) {
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/*
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* Long-time lock CRYPTO_LOCK_MALLOC2 must not be claimed
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* while we're holding CRYPTO_LOCK_MALLOC, or we'll deadlock
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* if somebody else holds CRYPTO_LOCK_MALLOC2 (and cannot
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* release it because we block entry to this function). Give
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* them a chance, first, and then claim the locks in
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* appropriate order (long-time lock first).
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*/
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CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
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/*
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* Note that after we have waited for CRYPTO_LOCK_MALLOC2 and
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* CRYPTO_LOCK_MALLOC, we'll still be in the right "case" and
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* "if" branch because MemCheck_start and MemCheck_stop may
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* never be used while there are multiple OpenSSL threads.
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*/
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CRYPTO_w_lock(CRYPTO_LOCK_MALLOC2);
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CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
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mh_mode &= ~CRYPTO_MEM_CHECK_ENABLE;
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CRYPTO_THREADID_cpy(&disabling_threadid, &cur);
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}
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num_disable++;
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}
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break;
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case CRYPTO_MEM_CHECK_ENABLE:
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if (mh_mode & CRYPTO_MEM_CHECK_ON) {
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if (num_disable) { /* always true, or something is going wrong */
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num_disable--;
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if (num_disable == 0) {
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mh_mode |= CRYPTO_MEM_CHECK_ENABLE;
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CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC2);
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}
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}
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}
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break;
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}
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CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
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return (ret);
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#endif
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}
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#ifndef OPENSSL_NO_CRYPTO_MDEBUG
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static int mem_check_on(void)
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{
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int ret = 0;
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if (mh_mode & CRYPTO_MEM_CHECK_ON) {
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CRYPTO_THREADID cur;
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CRYPTO_THREADID_current(&cur);
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CRYPTO_r_lock(CRYPTO_LOCK_MALLOC);
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ret = (mh_mode & CRYPTO_MEM_CHECK_ENABLE)
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|| CRYPTO_THREADID_cmp(&disabling_threadid, &cur);
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CRYPTO_r_unlock(CRYPTO_LOCK_MALLOC);
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}
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return (ret);
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}
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static int mem_cmp(const MEM *a, const MEM *b)
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{
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#ifdef _WIN64
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const char *ap = (const char *)a->addr, *bp = (const char *)b->addr;
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if (ap == bp)
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return 0;
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else if (ap > bp)
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return 1;
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else
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return -1;
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#else
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return (const char *)a->addr - (const char *)b->addr;
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#endif
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}
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static unsigned long mem_hash(const MEM *a)
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{
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size_t ret;
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ret = (size_t)a->addr;
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ret = ret * 17851 + (ret >> 14) * 7 + (ret >> 4) * 251;
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return (ret);
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}
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static int app_info_cmp(const APP_INFO *a, const APP_INFO *b)
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{
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return CRYPTO_THREADID_cmp(&a->threadid, &b->threadid);
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}
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static unsigned long app_info_hash(const APP_INFO *a)
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{
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unsigned long ret;
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ret = CRYPTO_THREADID_hash(&a->threadid);
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/* This is left in as a "who am I to question legacy?" measure */
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ret = ret * 17851 + (ret >> 14) * 7 + (ret >> 4) * 251;
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return (ret);
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}
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/* returns 1 if there was an info to pop, 0 if the stack was empty. */
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static int pop_info(void)
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{
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APP_INFO tmp;
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APP_INFO *current = NULL;
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if (amih != NULL) {
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CRYPTO_THREADID_current(&tmp.threadid);
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if ((current = lh_APP_INFO_delete(amih, &tmp)) != NULL) {
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APP_INFO *next = current->next;
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if (next != NULL) {
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next->references++;
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(void)lh_APP_INFO_insert(amih, next);
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}
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if (--(current->references) <= 0) {
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current->next = NULL;
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if (next != NULL)
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next->references--;
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OPENSSL_free(current);
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}
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return 1;
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}
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}
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return 0;
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}
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int CRYPTO_mem_debug_push(const char *info, const char *file, int line)
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{
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APP_INFO *ami, *amim;
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int ret = 0;
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if (mem_check_on()) {
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CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE);
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if ((ami = OPENSSL_malloc(sizeof(*ami))) == NULL)
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goto err;
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if (amih == NULL) {
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if ((amih = lh_APP_INFO_new(app_info_hash, app_info_cmp)) == NULL) {
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OPENSSL_free(ami);
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goto err;
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}
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}
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CRYPTO_THREADID_current(&ami->threadid);
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ami->file = file;
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ami->line = line;
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ami->info = info;
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ami->references = 1;
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ami->next = NULL;
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if ((amim = lh_APP_INFO_insert(amih, ami)) != NULL)
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ami->next = amim;
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ret = 1;
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err:
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CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE);
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}
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return (ret);
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}
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int CRYPTO_mem_debug_pop(void)
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{
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int ret = 0;
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if (mem_check_on()) {
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CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE);
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ret = pop_info();
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CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE);
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}
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return (ret);
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}
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static unsigned long break_order_num = 0;
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void CRYPTO_mem_debug_malloc(void *addr, size_t num, int before_p,
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const char *file, int line)
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{
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MEM *m, *mm;
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APP_INFO tmp, *amim;
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switch (before_p & 127) {
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case 0:
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break;
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case 1:
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if (addr == NULL)
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break;
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if (mem_check_on()) {
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CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE);
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if ((m = OPENSSL_malloc(sizeof(*m))) == NULL) {
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OPENSSL_free(addr);
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CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE);
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return;
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}
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if (mh == NULL) {
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if ((mh = lh_MEM_new(mem_hash, mem_cmp)) == NULL) {
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OPENSSL_free(addr);
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OPENSSL_free(m);
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addr = NULL;
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goto err;
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}
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}
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m->addr = addr;
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m->file = file;
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m->line = line;
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m->num = num;
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CRYPTO_THREADID_current(&m->threadid);
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if (order == break_order_num) {
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/* BREAK HERE */
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m->order = order;
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}
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m->order = order++;
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# if defined(CRYPTO_MDEBUG_BACKTRACE) && defined(__GNUC__)
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m->array_siz = backtrace(m->array, OSSL_NELEM(m->array));
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# endif
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m->time = time(NULL);
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CRYPTO_THREADID_current(&tmp.threadid);
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m->app_info = NULL;
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if (amih != NULL
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&& (amim = lh_APP_INFO_retrieve(amih, &tmp)) != NULL) {
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m->app_info = amim;
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amim->references++;
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}
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if ((mm = lh_MEM_insert(mh, m)) != NULL) {
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/* Not good, but don't sweat it */
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if (mm->app_info != NULL) {
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mm->app_info->references--;
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}
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OPENSSL_free(mm);
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}
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err:
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CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE);
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}
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break;
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}
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return;
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}
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void CRYPTO_mem_debug_free(void *addr, int before_p)
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{
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MEM m, *mp;
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switch (before_p) {
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case 0:
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if (addr == NULL)
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break;
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if (mem_check_on() && (mh != NULL)) {
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CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE);
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m.addr = addr;
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mp = lh_MEM_delete(mh, &m);
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if (mp != NULL) {
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app_info_free(mp->app_info);
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OPENSSL_free(mp);
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}
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CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE);
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}
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break;
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case 1:
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break;
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}
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}
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void CRYPTO_mem_debug_realloc(void *addr1, void *addr2, size_t num,
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int before_p, const char *file, int line)
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{
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MEM m, *mp;
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switch (before_p) {
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case 0:
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break;
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case 1:
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if (addr2 == NULL)
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break;
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if (addr1 == NULL) {
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CRYPTO_mem_debug_malloc(addr2, num, 128 | before_p, file, line);
|
|
break;
|
|
}
|
|
|
|
if (mem_check_on()) {
|
|
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE);
|
|
|
|
m.addr = addr1;
|
|
mp = lh_MEM_delete(mh, &m);
|
|
if (mp != NULL) {
|
|
mp->addr = addr2;
|
|
mp->num = num;
|
|
#if defined(CRYPTO_MDEBUG_BACKTRACE) && defined(__GNUC__)
|
|
mp->array_siz = backtrace(mp->array, OSSL_NELEM(mp->array));
|
|
#endif
|
|
(void)lh_MEM_insert(mh, mp);
|
|
}
|
|
|
|
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE);
|
|
}
|
|
break;
|
|
}
|
|
return;
|
|
}
|
|
|
|
typedef struct mem_leak_st {
|
|
BIO *bio;
|
|
int chunks;
|
|
int seen;
|
|
long bytes;
|
|
} MEM_LEAK;
|
|
|
|
static void print_leak(const MEM *m, MEM_LEAK *l)
|
|
{
|
|
char buf[1024];
|
|
char *bufp = buf;
|
|
APP_INFO *amip;
|
|
int ami_cnt;
|
|
struct tm *lcl = NULL;
|
|
CRYPTO_THREADID ti;
|
|
|
|
#define BUF_REMAIN (sizeof buf - (size_t)(bufp - buf))
|
|
|
|
/* Is one "leak" the BIO we were given? */
|
|
if (m->addr == (char *)l->bio) {
|
|
l->seen = 1;
|
|
return;
|
|
}
|
|
|
|
lcl = localtime(&m->time);
|
|
BIO_snprintf(bufp, BUF_REMAIN, "[%02d:%02d:%02d] ",
|
|
lcl->tm_hour, lcl->tm_min, lcl->tm_sec);
|
|
bufp += strlen(bufp);
|
|
|
|
BIO_snprintf(bufp, BUF_REMAIN, "%5lu file=%s, line=%d, ",
|
|
m->order, m->file, m->line);
|
|
bufp += strlen(bufp);
|
|
|
|
BIO_snprintf(bufp, BUF_REMAIN, "thread=%lu, ",
|
|
CRYPTO_THREADID_hash(&m->threadid));
|
|
bufp += strlen(bufp);
|
|
|
|
BIO_snprintf(bufp, BUF_REMAIN, "number=%d, address=%p\n",
|
|
m->num, m->addr);
|
|
bufp += strlen(bufp);
|
|
|
|
BIO_puts(l->bio, buf);
|
|
|
|
l->chunks++;
|
|
l->bytes += m->num;
|
|
|
|
amip = m->app_info;
|
|
ami_cnt = 0;
|
|
|
|
if (amip) {
|
|
CRYPTO_THREADID_cpy(&ti, &amip->threadid);
|
|
|
|
do {
|
|
int buf_len;
|
|
int info_len;
|
|
|
|
ami_cnt++;
|
|
memset(buf, '>', ami_cnt);
|
|
BIO_snprintf(buf + ami_cnt, sizeof buf - ami_cnt,
|
|
" thread=%lu, file=%s, line=%d, info=\"",
|
|
CRYPTO_THREADID_hash(&amip->threadid), amip->file,
|
|
amip->line);
|
|
buf_len = strlen(buf);
|
|
info_len = strlen(amip->info);
|
|
if (128 - buf_len - 3 < info_len) {
|
|
memcpy(buf + buf_len, amip->info, 128 - buf_len - 3);
|
|
buf_len = 128 - 3;
|
|
} else {
|
|
OPENSSL_strlcpy(buf + buf_len, amip->info, sizeof buf - buf_len);
|
|
buf_len = strlen(buf);
|
|
}
|
|
BIO_snprintf(buf + buf_len, sizeof buf - buf_len, "\"\n");
|
|
|
|
BIO_puts(l->bio, buf);
|
|
|
|
amip = amip->next;
|
|
}
|
|
while (amip && !CRYPTO_THREADID_cmp(&amip->threadid, &ti));
|
|
}
|
|
|
|
#if defined(CRYPTO_MDEBUG_BACKTRACE) && defined(__GNUC__)
|
|
{
|
|
size_t i;
|
|
char **strings = backtrace_symbols(m->array, m->array_siz);
|
|
|
|
for (i = 0; i < m->array_siz; i++)
|
|
fprintf(stderr, "##> %s\n", strings[i]);
|
|
free(strings);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
IMPLEMENT_LHASH_DOALL_ARG_CONST(MEM, MEM_LEAK);
|
|
|
|
int CRYPTO_mem_leaks(BIO *b)
|
|
{
|
|
MEM_LEAK ml;
|
|
|
|
if (mh == NULL && amih == NULL)
|
|
return 1;
|
|
|
|
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE);
|
|
|
|
ml.bio = b;
|
|
ml.bytes = 0;
|
|
ml.chunks = 0;
|
|
ml.seen = 0;
|
|
if (mh != NULL)
|
|
lh_MEM_doall_MEM_LEAK(mh, print_leak, &ml);
|
|
/* Don't count the BIO that was passed in as a "leak" */
|
|
if (ml.seen && ml.chunks >= 1 && ml.bytes >= (int)sizeof (*b)) {
|
|
ml.chunks--;
|
|
ml.bytes -= (int)sizeof (*b);
|
|
}
|
|
if (ml.chunks != 0) {
|
|
BIO_printf(b, "%ld bytes leaked in %d chunks\n", ml.bytes, ml.chunks);
|
|
} else {
|
|
/*
|
|
* Make sure that, if we found no leaks, memory-leak debugging itself
|
|
* does not introduce memory leaks (which might irritate external
|
|
* debugging tools). (When someone enables leak checking, but does not
|
|
* call this function, we declare it to be their fault.)
|
|
*/
|
|
int old_mh_mode;
|
|
|
|
CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
|
|
|
|
/*
|
|
* avoid deadlock when lh_free() uses CRYPTO_mem_debug_free(), which uses
|
|
* mem_check_on
|
|
*/
|
|
old_mh_mode = mh_mode;
|
|
mh_mode = CRYPTO_MEM_CHECK_OFF;
|
|
|
|
lh_MEM_free(mh);
|
|
mh = NULL;
|
|
if (amih != NULL) {
|
|
if (lh_APP_INFO_num_items(amih) == 0) {
|
|
lh_APP_INFO_free(amih);
|
|
amih = NULL;
|
|
}
|
|
}
|
|
|
|
mh_mode = old_mh_mode;
|
|
CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
|
|
}
|
|
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE);
|
|
return ml.chunks == 0 ? 1 : 0;
|
|
}
|
|
|
|
# ifndef OPENSSL_NO_STDIO
|
|
int CRYPTO_mem_leaks_fp(FILE *fp)
|
|
{
|
|
BIO *b;
|
|
int ret;
|
|
|
|
if (mh == NULL)
|
|
return 0;
|
|
/*
|
|
* Need to turn off memory checking when allocated BIOs ... especially as
|
|
* we're creating them at a time when we're trying to check we've not
|
|
* left anything un-free()'d!!
|
|
*/
|
|
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE);
|
|
b = BIO_new(BIO_s_file());
|
|
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE);
|
|
if (b == NULL)
|
|
return -1;
|
|
BIO_set_fp(b, fp, BIO_NOCLOSE);
|
|
ret = CRYPTO_mem_leaks(b);
|
|
BIO_free(b);
|
|
return ret;
|
|
}
|
|
# endif
|
|
|
|
#endif
|