-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
- */
-/* ====================================================================
- * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+/*
+ * Copyright 1995-2017 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 <stdio.h>
#include <stdlib.h>
#include <time.h>
#include "internal/cryptlib.h"
+#include "internal/thread_once.h"
#include <openssl/crypto.h>
#include <openssl/buffer.h>
#include "internal/bio.h"
};
static CRYPTO_ONCE memdbg_init = CRYPTO_ONCE_STATIC_INIT;
-static CRYPTO_RWLOCK *malloc_lock = NULL;
-static CRYPTO_RWLOCK *long_malloc_lock = NULL;
+CRYPTO_RWLOCK *memdbg_lock;
+static CRYPTO_RWLOCK *long_memdbg_lock;
static CRYPTO_THREAD_LOCAL appinfokey;
/* memory-block description */
#endif
};
-static LHASH_OF(MEM) *mh = NULL; /* hash-table of memory requests (address as
- * key); access requires MALLOC2 lock */
+/*
+ * hash-table of memory requests (address as * key); access requires
+ * long_memdbg_lock lock
+ */
+static LHASH_OF(MEM) *mh = NULL;
/* num_disable > 0 iff mh_mode == CRYPTO_MEM_CHECK_ON (w/o ..._ENABLE) */
static unsigned int num_disable = 0;
/*
- * Valid iff num_disable > 0. long_malloc_lock is locked exactly in this
+ * Valid iff num_disable > 0. long_memdbg_lock is locked exactly in this
* case (by the thread named in disabling_thread).
*/
static CRYPTO_THREAD_ID disabling_threadid;
-static void do_memdbg_init(void)
+DEFINE_RUN_ONCE_STATIC(do_memdbg_init)
{
- malloc_lock = CRYPTO_THREAD_lock_new();
- long_malloc_lock = CRYPTO_THREAD_lock_new();
- CRYPTO_THREAD_init_local(&appinfokey, NULL);
+ memdbg_lock = CRYPTO_THREAD_glock_new("malloc");
+ long_memdbg_lock = CRYPTO_THREAD_glock_new("long_malloc");
+ if (memdbg_lock == NULL
+ || long_memdbg_lock == NULL
+ || !CRYPTO_THREAD_init_local(&appinfokey, NULL)) {
+ CRYPTO_THREAD_lock_free(memdbg_lock);
+ memdbg_lock = NULL;
+ CRYPTO_THREAD_lock_free(long_memdbg_lock);
+ long_memdbg_lock = NULL;
+ return 0;
+ }
+ return 1;
}
static void app_info_free(APP_INFO *inf)
{
- if (!inf)
+ if (inf == NULL)
return;
if (--(inf->references) <= 0) {
app_info_free(inf->next);
#else
int ret = mh_mode;
- CRYPTO_THREAD_run_once(&memdbg_init, do_memdbg_init);
+ if (!RUN_ONCE(&memdbg_init, do_memdbg_init))
+ return -1;
- CRYPTO_THREAD_write_lock(malloc_lock);
+ CRYPTO_THREAD_write_lock(memdbg_lock);
switch (mode) {
default:
break;
case CRYPTO_MEM_CHECK_DISABLE:
if (mh_mode & CRYPTO_MEM_CHECK_ON) {
CRYPTO_THREAD_ID cur = CRYPTO_THREAD_get_current_id();
- /* see if we don't have long_malloc_lock already */
+ /* see if we don't have long_memdbg_lock already */
if (!num_disable
|| !CRYPTO_THREAD_compare_id(disabling_threadid, cur)) {
/*
- * Long-time lock long_malloc_lock must not be claimed
- * while we're holding malloc_lock, or we'll deadlock
- * if somebody else holds long_malloc_lock (and cannot
+ * Long-time lock long_memdbg_lock must not be claimed
+ * while we're holding memdbg_lock, or we'll deadlock
+ * if somebody else holds long_memdbg_lock (and cannot
* release it because we block entry to this function). Give
* them a chance, first, and then claim the locks in
* appropriate order (long-time lock first).
*/
- CRYPTO_THREAD_unlock(malloc_lock);
+ CRYPTO_THREAD_unlock(memdbg_lock);
/*
- * Note that after we have waited for long_malloc_lock and
- * malloc_lock, we'll still be in the right "case" and
+ * Note that after we have waited for long_memdbg_lock and
+ * memdbg_lock, we'll still be in the right "case" and
* "if" branch because MemCheck_start and MemCheck_stop may
* never be used while there are multiple OpenSSL threads.
*/
- CRYPTO_THREAD_write_lock(long_malloc_lock);
- CRYPTO_THREAD_write_lock(malloc_lock);
+ CRYPTO_THREAD_write_lock(long_memdbg_lock);
+ CRYPTO_THREAD_write_lock(memdbg_lock);
mh_mode &= ~CRYPTO_MEM_CHECK_ENABLE;
disabling_threadid = cur;
}
num_disable--;
if (num_disable == 0) {
mh_mode |= CRYPTO_MEM_CHECK_ENABLE;
- CRYPTO_THREAD_unlock(long_malloc_lock);
+ CRYPTO_THREAD_unlock(long_memdbg_lock);
}
}
}
break;
}
- CRYPTO_THREAD_unlock(malloc_lock);
- return (ret);
+ CRYPTO_THREAD_unlock(memdbg_lock);
+ return ret;
#endif
}
CRYPTO_THREAD_ID cur;
if (mh_mode & CRYPTO_MEM_CHECK_ON) {
- CRYPTO_THREAD_run_once(&memdbg_init, do_memdbg_init);
+ if (!RUN_ONCE(&memdbg_init, do_memdbg_init))
+ return 0;
cur = CRYPTO_THREAD_get_current_id();
- CRYPTO_THREAD_read_lock(malloc_lock);
+ CRYPTO_THREAD_read_lock(memdbg_lock);
ret = (mh_mode & CRYPTO_MEM_CHECK_ENABLE)
|| !CRYPTO_THREAD_compare_id(disabling_threadid, cur);
- CRYPTO_THREAD_unlock(malloc_lock);
+ CRYPTO_THREAD_unlock(memdbg_lock);
}
- return (ret);
+ return ret;
}
static int mem_cmp(const MEM *a, const MEM *b)
ret = (size_t)a->addr;
ret = ret * 17851 + (ret >> 14) * 7 + (ret >> 4) * 251;
- return (ret);
+ return ret;
}
/* returns 1 if there was an info to pop, 0 if the stack was empty. */
{
APP_INFO *current = NULL;
- CRYPTO_THREAD_run_once(&memdbg_init, do_memdbg_init);
+ if (!RUN_ONCE(&memdbg_init, do_memdbg_init))
+ return 0;
+
current = (APP_INFO *)CRYPTO_THREAD_get_local(&appinfokey);
if (current != NULL) {
APP_INFO *next = current->next;
if (mem_check_on()) {
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE);
- CRYPTO_THREAD_run_once(&memdbg_init, do_memdbg_init);
-
- if ((ami = OPENSSL_malloc(sizeof(*ami))) == NULL)
+ if (!RUN_ONCE(&memdbg_init, do_memdbg_init)
+ || (ami = OPENSSL_malloc(sizeof(*ami))) == NULL)
goto err;
ami->threadid = CRYPTO_THREAD_get_current_id();
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE);
}
- return (ret);
+ return ret;
}
int CRYPTO_mem_debug_pop(void)
ret = pop_info();
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE);
}
- return (ret);
+ return ret;
}
static unsigned long break_order_num = 0;
if (mem_check_on()) {
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE);
- CRYPTO_THREAD_run_once(&memdbg_init, do_memdbg_init);
-
- if ((m = OPENSSL_malloc(sizeof(*m))) == NULL) {
+ if (!RUN_ONCE(&memdbg_init, do_memdbg_init)
+ || (m = OPENSSL_malloc(sizeof(*m))) == NULL) {
OPENSSL_free(addr);
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE);
return;
}
typedef struct mem_leak_st {
- BIO *bio;
+ int (*print_cb) (const char *str, size_t len, void *u);
+ void *print_cb_arg;
int chunks;
long bytes;
} MEM_LEAK;
{
char buf[1024];
char *bufp = buf;
+ size_t len = sizeof(buf), ami_cnt;
APP_INFO *amip;
- int ami_cnt;
+ int n;
struct tm *lcl = NULL;
/*
* Convert between CRYPTO_THREAD_ID (which could be anything at all) and
} tid;
CRYPTO_THREAD_ID ti;
-#define BUF_REMAIN (sizeof buf - (size_t)(bufp - buf))
-
lcl = localtime(&m->time);
- BIO_snprintf(bufp, BUF_REMAIN, "[%02d:%02d:%02d] ",
- lcl->tm_hour, lcl->tm_min, lcl->tm_sec);
- bufp += strlen(bufp);
+ n = BIO_snprintf(bufp, len, "[%02d:%02d:%02d] ",
+ lcl->tm_hour, lcl->tm_min, lcl->tm_sec);
+ if (n <= 0) {
+ bufp[0] = '\0';
+ return;
+ }
+ bufp += n;
+ len -= n;
- BIO_snprintf(bufp, BUF_REMAIN, "%5lu file=%s, line=%d, ",
- m->order, m->file, m->line);
- bufp += strlen(bufp);
+ n = BIO_snprintf(bufp, len, "%5lu file=%s, line=%d, ",
+ m->order, m->file, m->line);
+ if (n <= 0)
+ return;
+ bufp += n;
+ len -= n;
tid.ltid = 0;
tid.tid = m->threadid;
- BIO_snprintf(bufp, BUF_REMAIN, "thread=%lu, ", tid.ltid);
- bufp += strlen(bufp);
+ n = BIO_snprintf(bufp, len, "thread=%lu, ", tid.ltid);
+ if (n <= 0)
+ return;
+ bufp += n;
+ len -= n;
- BIO_snprintf(bufp, BUF_REMAIN, "number=%d, address=%p\n",
- m->num, m->addr);
- bufp += strlen(bufp);
+ n = BIO_snprintf(bufp, len, "number=%d, address=%p\n", m->num, m->addr);
+ if (n <= 0)
+ return;
+ bufp += n;
+ len -= n;
- BIO_puts(l->bio, buf);
+ l->print_cb(buf, (size_t)(bufp - buf), l->print_cb_arg);
l->chunks++;
l->bytes += m->num;
int info_len;
ami_cnt++;
+ if (ami_cnt >= sizeof(buf) - 1)
+ break;
memset(buf, '>', ami_cnt);
+ buf[ami_cnt] = '\0';
tid.ltid = 0;
tid.tid = amip->threadid;
- BIO_snprintf(buf + ami_cnt, sizeof buf - ami_cnt,
- " thread=%lu, file=%s, line=%d, info=\"",
- tid.ltid, amip->file,
- amip->line);
- buf_len = strlen(buf);
+ n = BIO_snprintf(buf + ami_cnt, sizeof(buf) - ami_cnt,
+ " thread=%lu, file=%s, line=%d, info=\"",
+ tid.ltid, amip->file, amip->line);
+ if (n <= 0)
+ break;
+ buf_len = ami_cnt + n;
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);
+ n = BIO_snprintf(buf + buf_len, sizeof(buf) - buf_len, "%s",
+ amip->info);
+ if (n < 0)
+ break;
+ buf_len += n;
}
- BIO_snprintf(buf + buf_len, sizeof buf - buf_len, "\"\n");
+ n = BIO_snprintf(buf + buf_len, sizeof(buf) - buf_len, "\"\n");
+ if (n <= 0)
+ break;
- BIO_puts(l->bio, buf);
+ l->print_cb(buf, buf_len + n, l->print_cb_arg);
amip = amip->next;
}
IMPLEMENT_LHASH_DOALL_ARG_CONST(MEM, MEM_LEAK);
-int CRYPTO_mem_leaks(BIO *b)
+int CRYPTO_mem_leaks_cb(int (*cb) (const char *str, size_t len, void *u),
+ void *u)
{
MEM_LEAK ml;
- /*
- * OPENSSL_cleanup() will free the ex_data locks so we can't have any
- * ex_data hanging around
- */
- bio_free_ex_data(b);
-
/* Ensure all resources are released */
OPENSSL_cleanup();
- CRYPTO_THREAD_run_once(&memdbg_init, do_memdbg_init);
+ if (!RUN_ONCE(&memdbg_init, do_memdbg_init))
+ return -1;
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE);
- ml.bio = b;
+ ml.print_cb = cb;
+ ml.print_cb_arg = u;
ml.bytes = 0;
ml.chunks = 0;
if (mh != NULL)
lh_MEM_doall_MEM_LEAK(mh, print_leak, &ml);
if (ml.chunks != 0) {
- BIO_printf(b, "%ld bytes leaked in %d chunks\n", ml.bytes, ml.chunks);
+ char buf[256];
+
+ BIO_snprintf(buf, sizeof(buf), "%ld bytes leaked in %d chunks\n",
+ ml.bytes, ml.chunks);
+ cb(buf, strlen(buf), u);
} else {
/*
* Make sure that, if we found no leaks, memory-leak debugging itself
*/
int old_mh_mode;
- CRYPTO_THREAD_write_lock(malloc_lock);
+ CRYPTO_THREAD_write_lock(memdbg_lock);
/*
* avoid deadlock when lh_free() uses CRYPTO_mem_debug_free(), which uses
mh = NULL;
mh_mode = old_mh_mode;
- CRYPTO_THREAD_unlock(malloc_lock);
+ CRYPTO_THREAD_unlock(memdbg_lock);
}
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_OFF);
/* Clean up locks etc */
CRYPTO_THREAD_cleanup_local(&appinfokey);
- CRYPTO_THREAD_lock_free(malloc_lock);
- CRYPTO_THREAD_lock_free(long_malloc_lock);
- malloc_lock = NULL;
- long_malloc_lock = NULL;
+ CRYPTO_THREAD_lock_free(memdbg_lock);
+ CRYPTO_THREAD_lock_free(long_memdbg_lock);
+ memdbg_lock = NULL;
+ long_memdbg_lock = NULL;
return ml.chunks == 0 ? 1 : 0;
}
+static int print_bio(const char *str, size_t len, void *b)
+{
+ return BIO_write((BIO *)b, str, len);
+}
+
+int CRYPTO_mem_leaks(BIO *b)
+{
+ /*
+ * OPENSSL_cleanup() will free the ex_data locks so we can't have any
+ * ex_data hanging around
+ */
+ bio_free_ex_data(b);
+
+ return CRYPTO_mem_leaks_cb(print_bio, b);
+}
+
# ifndef OPENSSL_NO_STDIO
int CRYPTO_mem_leaks_fp(FILE *fp)
{
if (b == NULL)
return -1;
BIO_set_fp(b, fp, BIO_NOCLOSE);
- ret = CRYPTO_mem_leaks(b);
+ ret = CRYPTO_mem_leaks_cb(print_bio, b);
BIO_free(b);
return ret;
}
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