/* crypto/mem_dbg.c */
-/* Written by Richard Levitte (richard@levitte.org) for the OpenSSL
- * project 1999.
+/* 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) 1999 The OpenSSL Project. All rights reserved.
+ * 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
* 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/)"
+ * 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
- * licensing@OpenSSL.org.
+ * 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
* 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/)"
+ * 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
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
+#include "cryptlib.h"
#include <openssl/crypto.h>
#include <openssl/buffer.h>
#include <openssl/bio.h>
#include <openssl/lhash.h>
-#include "cryptlib.h"
-/* State CRYPTO_MEM_CHECK_ON exists only temporarily when the library
+static int mh_mode=CRYPTO_MEM_CHECK_OFF;
+/* The state changes to CRYPTO_MEM_CHECK_ON | CRYPTO_MEM_CHECK_ENABLE
+ * when the application asks for it (usually after library initialisation
+ * for which no book-keeping is desired).
+ *
+ * State CRYPTO_MEM_CHECK_ON exists only temporarily when the library
* thinks that certain allocations should not be checked (e.g. the data
* structures used for memory checking). It is not suitable as an initial
* state: the library will unexpectedly enable memory checking when it
*
* State CRYPTO_MEM_CHECK_ENABLE without ..._ON makes no sense whatsoever.
*/
-static int mh_mode=CRYPTO_MEM_CHECK_OFF;
-static unsigned long disabling_thread = 0;
+static unsigned long order = 0; /* number of memory requests */
-static unsigned long order=0;
+DECLARE_LHASH_OF(MEM);
+static LHASH_OF(MEM) *mh=NULL; /* hash-table of memory requests
+ * (address as key); access requires
+ * MALLOC2 lock */
-static LHASH *amih=NULL;
typedef struct app_mem_info_st
- {
- unsigned long thread;
+/* For application-defined information (static C-string `info')
+ * to be displayed in memory leak list.
+ * Each thread has its own stack. For applications, there is
+ * CRYPTO_push_info("...") to push an entry,
+ * CRYPTO_pop_info() to pop an entry,
+ * CRYPTO_remove_all_info() to pop all entries.
+ */
+ {
+ CRYPTO_THREADID threadid;
const char *file;
int line;
const char *info;
- struct app_mem_info_st *next;
+ struct app_mem_info_st *next; /* tail of thread's stack */
int references;
} APP_INFO;
-static LHASH *mh=NULL;
+static void app_info_free(APP_INFO *);
+
+DECLARE_LHASH_OF(APP_INFO);
+static LHASH_OF(APP_INFO) *amih=NULL; /* hash-table with those
+ * app_mem_info_st's that are at
+ * the top of their thread's
+ * stack (with `thread' as key);
+ * access requires MALLOC2
+ * lock */
typedef struct mem_st
+/* memory-block description */
{
- char *addr;
+ void *addr;
int num;
const char *file;
int line;
- unsigned long thread;
+ CRYPTO_THREADID threadid;
unsigned long order;
time_t time;
APP_INFO *app_info;
} MEM;
-static int options = V_CRYPTO_MDEBUG_TIME | V_CRYPTO_MDEBUG_THREAD;
+static long options = /* extra information to be recorded */
+#if defined(CRYPTO_MDEBUG_TIME) || defined(CRYPTO_MDEBUG_ALL)
+ V_CRYPTO_MDEBUG_TIME |
+#endif
+#if defined(CRYPTO_MDEBUG_THREAD) || defined(CRYPTO_MDEBUG_ALL)
+ V_CRYPTO_MDEBUG_THREAD |
+#endif
+ 0;
+
+static unsigned int num_disable = 0; /* num_disable > 0
+ * iff
+ * mh_mode == CRYPTO_MEM_CHECK_ON (w/o ..._ENABLE)
+ */
+
+/* Valid iff num_disable > 0. CRYPTO_LOCK_MALLOC2 is locked exactly in this
+ * case (by the thread named in disabling_thread).
+ */
+static CRYPTO_THREADID disabling_threadid;
+
+static void app_info_free(APP_INFO *inf)
+ {
+ if (--(inf->references) <= 0)
+ {
+ if (inf->next != NULL)
+ {
+ app_info_free(inf->next);
+ }
+ OPENSSL_free(inf);
+ }
+ }
int CRYPTO_mem_ctrl(int mode)
{
CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
switch (mode)
{
- /* for applications: */
+ /* for applications (not to be called while multiple threads
+ * use the library): */
case CRYPTO_MEM_CHECK_ON: /* aka MemCheck_start() */
mh_mode = CRYPTO_MEM_CHECK_ON|CRYPTO_MEM_CHECK_ENABLE;
- disabling_thread = 0;
+ num_disable = 0;
break;
case CRYPTO_MEM_CHECK_OFF: /* aka MemCheck_stop() */
mh_mode = 0;
- disabling_thread = 0;
+ num_disable = 0; /* should be true *before* MemCheck_stop is used,
+ or there'll be a lot of confusion */
break;
/* switch off temporarily (for library-internal use): */
case CRYPTO_MEM_CHECK_DISABLE: /* aka MemCheck_off() */
if (mh_mode & CRYPTO_MEM_CHECK_ON)
{
- mh_mode&= ~CRYPTO_MEM_CHECK_ENABLE;
- if (disabling_thread != CRYPTO_thread_id()) /* otherwise we already have the MALLOC2 lock */
+ CRYPTO_THREADID cur;
+ CRYPTO_THREADID_current(&cur);
+ if (!num_disable || CRYPTO_THREADID_cmp(&disabling_threadid, &cur)) /* otherwise we already have the MALLOC2 lock */
{
/* Long-time lock CRYPTO_LOCK_MALLOC2 must not be claimed while
* we're holding CRYPTO_LOCK_MALLOC, or we'll deadlock if
- * somebody else holds CRYPTO_LOCK_MALLOC2 (and cannot release it
- * because we block entry to this function).
+ * somebody else holds CRYPTO_LOCK_MALLOC2 (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).
*/
* OpenSSL threads. */
CRYPTO_w_lock(CRYPTO_LOCK_MALLOC2);
CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
- disabling_thread=CRYPTO_thread_id();
+ mh_mode &= ~CRYPTO_MEM_CHECK_ENABLE;
+ CRYPTO_THREADID_cpy(&disabling_threadid, &cur);
}
+ num_disable++;
}
break;
case CRYPTO_MEM_CHECK_ENABLE: /* aka MemCheck_on() */
if (mh_mode & CRYPTO_MEM_CHECK_ON)
{
- mh_mode|=CRYPTO_MEM_CHECK_ENABLE;
- if (disabling_thread != 0)
+ if (num_disable) /* always true, or something is going wrong */
{
- disabling_thread=0;
- CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC2);
+ num_disable--;
+ if (num_disable == 0)
+ {
+ mh_mode|=CRYPTO_MEM_CHECK_ENABLE;
+ CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC2);
+ }
}
}
break;
return(ret);
}
-int CRYPTO_mem_check_on(void)
+int CRYPTO_is_mem_check_on(void)
{
int ret = 0;
if (mh_mode & CRYPTO_MEM_CHECK_ON)
{
- CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
+ CRYPTO_THREADID cur;
+ CRYPTO_THREADID_current(&cur);
+ CRYPTO_r_lock(CRYPTO_LOCK_MALLOC);
ret = (mh_mode & CRYPTO_MEM_CHECK_ENABLE)
- && disabling_thread != CRYPTO_thread_id();
+ || CRYPTO_THREADID_cmp(&disabling_threadid, &cur);
- CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
+ CRYPTO_r_unlock(CRYPTO_LOCK_MALLOC);
}
return(ret);
}
-void CRYPTO_dbg_set_options(int bits)
+void CRYPTO_dbg_set_options(long bits)
{
options = bits;
}
-int CRYPTO_dbg_get_options()
+long CRYPTO_dbg_get_options(void)
{
return options;
}
-static int mem_cmp(MEM *a, MEM *b)
+static int mem_cmp(const MEM *a, const MEM *b)
{
- return(a->addr - b->addr);
+#ifdef _WIN64
+ const char *ap=(const char *)a->addr,
+ *bp=(const char *)b->addr;
+ if (ap==bp) return 0;
+ else if (ap>bp) return 1;
+ else return -1;
+#else
+ return (const char *)a->addr - (const char *)b->addr;
+#endif
}
+static IMPLEMENT_LHASH_COMP_FN(mem, MEM)
-static unsigned long mem_hash(MEM *a)
+static unsigned long mem_hash(const MEM *a)
{
unsigned long ret;
ret=ret*17851+(ret>>14)*7+(ret>>4)*251;
return(ret);
}
+static IMPLEMENT_LHASH_HASH_FN(mem, MEM)
-static int app_info_cmp(APP_INFO *a, APP_INFO *b)
+/* static int app_info_cmp(APP_INFO *a, APP_INFO *b) */
+static int app_info_cmp(const void *a_void, const void *b_void)
{
- return(a->thread - b->thread);
+ return CRYPTO_THREADID_cmp(&((const APP_INFO *)a_void)->threadid,
+ &((const APP_INFO *)b_void)->threadid);
}
+static IMPLEMENT_LHASH_COMP_FN(app_info, APP_INFO)
-static unsigned long app_info_hash(APP_INFO *a)
+static unsigned long app_info_hash(const APP_INFO *a)
{
unsigned long ret;
- ret=(unsigned long)a->thread;
-
+ ret = CRYPTO_THREADID_hash(&a->threadid);
+ /* This is left in as a "who am I to question legacy?" measure */
ret=ret*17851+(ret>>14)*7+(ret>>4)*251;
return(ret);
}
+static IMPLEMENT_LHASH_HASH_FN(app_info, APP_INFO)
-static APP_INFO *remove_info()
+static APP_INFO *pop_info(void)
{
APP_INFO tmp;
APP_INFO *ret = NULL;
if (amih != NULL)
{
- tmp.thread=CRYPTO_thread_id();
- if ((ret=(APP_INFO *)lh_delete(amih,(char *)&tmp)) != NULL)
+ CRYPTO_THREADID_current(&tmp.threadid);
+ if ((ret=lh_APP_INFO_delete(amih,&tmp)) != NULL)
{
APP_INFO *next=ret->next;
if (next != NULL)
{
next->references++;
- lh_insert(amih,(char *)next);
+ (void)lh_APP_INFO_insert(amih,next);
}
-#ifdef LEVITTE_DEBUG
- if (ret->thread != tmp.thread)
+#ifdef LEVITTE_DEBUG_MEM
+ if (CRYPTO_THREADID_cmp(&ret->threadid, &tmp.threadid))
{
- fprintf(stderr, "remove_info(): deleted info has other thread ID (%lu) than the current thread (%lu)!!!!\n",
- ret->thread, tmp.thread);
+ fprintf(stderr, "pop_info(): deleted info has other thread ID (%lu) than the current thread (%lu)!!!!\n",
+ CRYPTO_THREADID_hash(&ret->threadid),
+ CRYPTO_THREADID_hash(&tmp.threadid));
abort();
}
#endif
ret->next = NULL;
if (next != NULL)
next->references--;
- Free(ret);
+ OPENSSL_free(ret);
}
}
}
return(ret);
}
-int CRYPTO_add_info(const char *file, int line, const char *info)
+int CRYPTO_push_info_(const char *info, const char *file, int line)
{
APP_INFO *ami, *amim;
int ret=0;
if (is_MemCheck_on())
{
- MemCheck_off();
+ MemCheck_off(); /* obtain MALLOC2 lock */
- if ((ami = (APP_INFO *)Malloc(sizeof(APP_INFO))) == NULL)
+ if ((ami = (APP_INFO *)OPENSSL_malloc(sizeof(APP_INFO))) == NULL)
{
ret=0;
goto err;
}
if (amih == NULL)
{
- if ((amih=lh_new(app_info_hash,app_info_cmp)) == NULL)
+ if ((amih=lh_APP_INFO_new()) == NULL)
{
- Free(ami);
+ OPENSSL_free(ami);
ret=0;
goto err;
}
}
- ami->thread=CRYPTO_thread_id();
+ CRYPTO_THREADID_current(&ami->threadid);
ami->file=file;
ami->line=line;
ami->info=info;
ami->references=1;
ami->next=NULL;
- if ((amim=(APP_INFO *)lh_insert(amih,(char *)ami)) != NULL)
+ if ((amim=lh_APP_INFO_insert(amih,ami)) != NULL)
{
-#ifdef LEVITTE_DEBUG
- if (ami->thread != amim->thread)
+#ifdef LEVITTE_DEBUG_MEM
+ if (CRYPTO_THREADID_cmp(&ami->threadid, &amim->threadid))
{
- fprintf(stderr, "CRYPTO_add_info(): previous info has other thread ID (%lu) than the current thread (%lu)!!!!\n",
- amim->thread, ami->thread);
+ fprintf(stderr, "CRYPTO_push_info(): previous info has other thread ID (%lu) than the current thread (%lu)!!!!\n",
+ CRYPTO_THREADID_hash(&amim->threadid),
+ CRYPTO_THREADID_hash(&ami->threadid));
abort();
}
#endif
ami->next=amim;
}
err:
- MemCheck_on();
+ MemCheck_on(); /* release MALLOC2 lock */
}
return(ret);
}
-int CRYPTO_remove_info(void)
+int CRYPTO_pop_info(void)
{
int ret=0;
- if (is_MemCheck_on())
+ if (is_MemCheck_on()) /* _must_ be true, or something went severely wrong */
{
- MemCheck_off();
+ MemCheck_off(); /* obtain MALLOC2 lock */
- ret=(remove_info() != NULL);
+ ret=(pop_info() != NULL);
- MemCheck_on();
+ MemCheck_on(); /* release MALLOC2 lock */
}
return(ret);
}
{
int ret=0;
- if (is_MemCheck_on())
+ if (is_MemCheck_on()) /* _must_ be true */
{
- MemCheck_off();
+ MemCheck_off(); /* obtain MALLOC2 lock */
- while(remove_info() != NULL)
+ while(pop_info() != NULL)
ret++;
- MemCheck_on();
+ MemCheck_on(); /* release MALLOC2 lock */
}
return(ret);
}
if (is_MemCheck_on())
{
- MemCheck_off();
- if ((m=(MEM *)Malloc(sizeof(MEM))) == NULL)
+ MemCheck_off(); /* make sure we hold MALLOC2 lock */
+ if ((m=(MEM *)OPENSSL_malloc(sizeof(MEM))) == NULL)
{
- Free(addr);
- MemCheck_on();
+ OPENSSL_free(addr);
+ MemCheck_on(); /* release MALLOC2 lock
+ * if num_disabled drops to 0 */
return;
}
if (mh == NULL)
{
- if ((mh=lh_new(mem_hash,mem_cmp)) == NULL)
+ if ((mh=lh_MEM_new()) == NULL)
{
- Free(addr);
- Free(m);
+ OPENSSL_free(addr);
+ OPENSSL_free(m);
addr=NULL;
goto err;
}
m->line=line;
m->num=num;
if (options & V_CRYPTO_MDEBUG_THREAD)
- m->thread=CRYPTO_thread_id();
+ CRYPTO_THREADID_current(&m->threadid);
else
- m->thread=0;
+ memset(&m->threadid, 0, sizeof(m->threadid));
if (order == break_order_num)
{
m->order=order;
}
m->order=order++;
-#ifdef LEVITTE_DEBUG
- fprintf(stderr, "LEVITTE_DEBUG: [%5d] %c 0x%p (%d)\n",
+#ifdef LEVITTE_DEBUG_MEM
+ fprintf(stderr, "LEVITTE_DEBUG_MEM: [%5ld] %c 0x%p (%d)\n",
m->order,
(before_p & 128) ? '*' : '+',
m->addr, m->num);
else
m->time=0;
- tmp.thread=CRYPTO_thread_id();
+ CRYPTO_THREADID_current(&tmp.threadid);
m->app_info=NULL;
if (amih != NULL
- && (amim=(APP_INFO *)lh_retrieve(amih,(char *)&tmp)) != NULL)
+ && (amim=lh_APP_INFO_retrieve(amih,&tmp)) != NULL)
{
m->app_info = amim;
amim->references++;
}
- if ((mm=(MEM *)lh_insert(mh,(char *)m)) != NULL)
+ if ((mm=lh_MEM_insert(mh, m)) != NULL)
{
/* Not good, but don't sweat it */
if (mm->app_info != NULL)
{
mm->app_info->references--;
}
- Free(mm);
+ OPENSSL_free(mm);
}
err:
- MemCheck_on();
+ MemCheck_on(); /* release MALLOC2 lock
+ * if num_disabled drops to 0 */
}
break;
}
if (is_MemCheck_on() && (mh != NULL))
{
- MemCheck_off();
+ MemCheck_off(); /* make sure we hold MALLOC2 lock */
m.addr=addr;
- mp=(MEM *)lh_delete(mh,(char *)&m);
+ mp=lh_MEM_delete(mh,&m);
if (mp != NULL)
{
-#ifdef LEVITTE_DEBUG
- fprintf(stderr, "LEVITTE_DEBUG: [%5d] - 0x%p (%d)\n",
+#ifdef LEVITTE_DEBUG_MEM
+ fprintf(stderr, "LEVITTE_DEBUG_MEM: [%5ld] - 0x%p (%d)\n",
mp->order, mp->addr, mp->num);
#endif
if (mp->app_info != NULL)
- {
- mp->app_info->references--;
- }
- Free(mp);
+ app_info_free(mp->app_info);
+ OPENSSL_free(mp);
}
- MemCheck_on();
+ MemCheck_on(); /* release MALLOC2 lock
+ * if num_disabled drops to 0 */
}
break;
case 1:
{
MEM m,*mp;
-#ifdef LEVITTE_DEBUG
- fprintf(stderr, "LEVITTE_DEBUG: --> CRYPTO_dbg_malloc(addr1 = %p, addr2 = %p, num = %d, file = \"%s\", line = %d, before_p = %d)\n",
+#ifdef LEVITTE_DEBUG_MEM
+ fprintf(stderr, "LEVITTE_DEBUG_MEM: --> CRYPTO_dbg_malloc(addr1 = %p, addr2 = %p, num = %d, file = \"%s\", line = %d, before_p = %d)\n",
addr1, addr2, num, file, line, before_p);
#endif
if (is_MemCheck_on())
{
- MemCheck_off();
+ MemCheck_off(); /* make sure we hold MALLOC2 lock */
m.addr=addr1;
- mp=(MEM *)lh_delete(mh,(char *)&m);
+ mp=lh_MEM_delete(mh,&m);
if (mp != NULL)
{
-#ifdef LEVITTE_DEBUG
- fprintf(stderr, "LEVITTE_DEBUG: [%5d] * 0x%p (%d) -> 0x%p (%d)\n",
+#ifdef LEVITTE_DEBUG_MEM
+ fprintf(stderr, "LEVITTE_DEBUG_MEM: [%5ld] * 0x%p (%d) -> 0x%p (%d)\n",
mp->order,
mp->addr, mp->num,
addr2, num);
#endif
mp->addr=addr2;
mp->num=num;
- lh_insert(mh,(char *)mp);
+ (void)lh_MEM_insert(mh,mp);
}
- MemCheck_on();
+ MemCheck_on(); /* release MALLOC2 lock
+ * if num_disabled drops to 0 */
}
break;
}
long bytes;
} MEM_LEAK;
-static void print_leak(MEM *m, MEM_LEAK *l)
+static void print_leak_doall_arg(const MEM *m, MEM_LEAK *l)
{
char buf[1024];
char *bufp = buf;
APP_INFO *amip;
int ami_cnt;
struct tm *lcl = NULL;
- unsigned long ti;
+ CRYPTO_THREADID ti;
+
+#define BUF_REMAIN (sizeof buf - (size_t)(bufp - buf))
if(m->addr == (char *)l->bio)
return;
{
lcl = localtime(&m->time);
- sprintf(bufp, "[%02d:%02d:%02d] ",
+ BIO_snprintf(bufp, BUF_REMAIN, "[%02d:%02d:%02d] ",
lcl->tm_hour,lcl->tm_min,lcl->tm_sec);
bufp += strlen(bufp);
}
- sprintf(bufp, "%5lu file=%s, line=%d, ",
+ BIO_snprintf(bufp, BUF_REMAIN, "%5lu file=%s, line=%d, ",
m->order,m->file,m->line);
bufp += strlen(bufp);
if (options & V_CRYPTO_MDEBUG_THREAD)
{
- sprintf(bufp, "thread=%lu, ", m->thread);
+ BIO_snprintf(bufp, BUF_REMAIN, "thread=%lu, ",
+ CRYPTO_THREADID_hash(&m->threadid));
bufp += strlen(bufp);
}
- sprintf(bufp, "number=%d, address=%08lX\n",
+ BIO_snprintf(bufp, BUF_REMAIN, "number=%d, address=%08lX\n",
m->num,(unsigned long)m->addr);
bufp += strlen(bufp);
amip=m->app_info;
ami_cnt=0;
- if (amip)
- ti=amip->thread;
- while(amip && amip->thread == ti)
+ if (!amip)
+ return;
+ CRYPTO_THREADID_cpy(&ti, &amip->threadid);
+
+ do
{
int buf_len;
int info_len;
ami_cnt++;
memset(buf,'>',ami_cnt);
- sprintf(buf + ami_cnt,
- "thread=%lu, file=%s, line=%d, info=\"",
- amip->thread, amip->file, amip->line);
+ 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)
}
else
{
- strcpy(buf + buf_len, amip->info);
+ BUF_strlcpy(buf + buf_len, amip->info,
+ sizeof buf - buf_len);
buf_len = strlen(buf);
}
- sprintf(buf + buf_len, "\"\n");
+ BIO_snprintf(buf + buf_len, sizeof buf - buf_len, "\"\n");
BIO_puts(l->bio,buf);
amip = amip->next;
}
-#ifdef LEVITTE_DEBUG
+ while(amip && !CRYPTO_THREADID_cmp(&amip->threadid, &ti));
+
+#ifdef LEVITTE_DEBUG_MEM
if (amip)
{
- fprintf(stderr, "Thread switch detected i backtrace!!!!\n");
+ fprintf(stderr, "Thread switch detected in backtrace!!!!\n");
abort();
}
#endif
}
+static IMPLEMENT_LHASH_DOALL_ARG_FN(print_leak, const MEM, MEM_LEAK)
+
void CRYPTO_mem_leaks(BIO *b)
{
MEM_LEAK ml;
- char buf[80];
- if (mh == NULL) return;
+ if (mh == NULL && amih == NULL)
+ return;
+
+ MemCheck_off(); /* obtain MALLOC2 lock */
+
ml.bio=b;
ml.bytes=0;
ml.chunks=0;
- CRYPTO_w_lock(CRYPTO_LOCK_MALLOC2);
- lh_doall_arg(mh,(void (*)())print_leak,(char *)&ml);
- CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC2);
+ if (mh != NULL)
+ lh_MEM_doall_arg(mh, LHASH_DOALL_ARG_FN(print_leak), MEM_LEAK,
+ &ml);
if (ml.chunks != 0)
{
- sprintf(buf,"%ld bytes leaked in %d chunks\n",
- ml.bytes,ml.chunks);
- BIO_puts(b,buf);
+ BIO_printf(b,"%ld bytes leaked in %d chunks\n",
+ ml.bytes,ml.chunks);
+#ifdef CRYPTO_MDEBUG_ABORT
+ abort();
+#endif
}
+ 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.)
+ *
+ * XXX This should be in CRYPTO_mem_leaks_cb,
+ * and CRYPTO_mem_leaks should be implemented by
+ * using CRYPTO_mem_leaks_cb.
+ * (Also there should be a variant of lh_doall_arg
+ * that takes a function pointer instead of a void *;
+ * this would obviate the ugly and illegal
+ * void_fn_to_char kludge in CRYPTO_mem_leaks_cb.
+ * Otherwise the code police will come and get us.)
+ */
+ int old_mh_mode;
-#if 0
- lh_stats_bio(mh,b);
- lh_node_stats_bio(mh,b);
- lh_node_usage_stats_bio(mh,b);
-#endif
- }
+ CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
-static void (*mem_cb)()=NULL;
+ /* avoid deadlock when lh_free() uses CRYPTO_dbg_free(),
+ * which uses CRYPTO_is_mem_check_on */
+ old_mh_mode = mh_mode;
+ mh_mode = CRYPTO_MEM_CHECK_OFF;
-static void cb_leak(MEM *m, char *cb)
- {
- void (*mem_callback)()=(void (*)())cb;
- mem_callback(m->order,m->file,m->line,m->num,m->addr);
- }
+ if (mh != NULL)
+ {
+ lh_MEM_free(mh);
+ mh = NULL;
+ }
+ if (amih != NULL)
+ {
+ if (lh_APP_INFO_num_items(amih) == 0)
+ {
+ lh_APP_INFO_free(amih);
+ amih = NULL;
+ }
+ }
-void CRYPTO_mem_leaks_cb(void (*cb)())
- {
- if (mh == NULL) return;
- CRYPTO_w_lock(CRYPTO_LOCK_MALLOC2);
- mem_cb=cb;
- lh_doall_arg(mh,(void (*)())cb_leak,(char *)mem_cb);
- mem_cb=NULL;
- CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC2);
+ mh_mode = old_mh_mode;
+ CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
+ }
+ MemCheck_on(); /* release MALLOC2 lock */
}
-#ifndef NO_FP_API
+#ifndef OPENSSL_NO_FP_API
void CRYPTO_mem_leaks_fp(FILE *fp)
{
BIO *b;
if (mh == NULL) return;
- if ((b=BIO_new(BIO_s_file())) == NULL)
- return;
+ /* 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!! */
+ MemCheck_off();
+ b = BIO_new(BIO_s_file());
+ MemCheck_on();
+ if(!b) return;
BIO_set_fp(b,fp,BIO_NOCLOSE);
CRYPTO_mem_leaks(b);
BIO_free(b);
}
#endif
+
+
+/* FIXME: We really don't allow much to the callback. For example, it has
+ no chance of reaching the info stack for the item it processes. Should
+ it really be this way? -- Richard Levitte */
+/* NB: The prototypes have been typedef'd to CRYPTO_MEM_LEAK_CB inside crypto.h
+ * If this code is restructured, remove the callback type if it is no longer
+ * needed. -- Geoff Thorpe */
+
+/* Can't pass CRYPTO_MEM_LEAK_CB directly to lh_MEM_doall_arg because it
+ * is a function pointer and conversion to void * is prohibited. Instead
+ * pass its address
+ */
+
+typedef CRYPTO_MEM_LEAK_CB *PCRYPTO_MEM_LEAK_CB;
+
+static void cb_leak_doall_arg(const MEM *m, PCRYPTO_MEM_LEAK_CB *cb)
+ {
+ (*cb)(m->order,m->file,m->line,m->num,m->addr);
+ }
+
+static IMPLEMENT_LHASH_DOALL_ARG_FN(cb_leak, const MEM, PCRYPTO_MEM_LEAK_CB)
+
+void CRYPTO_mem_leaks_cb(CRYPTO_MEM_LEAK_CB *cb)
+ {
+ if (mh == NULL) return;
+ CRYPTO_w_lock(CRYPTO_LOCK_MALLOC2);
+ lh_MEM_doall_arg(mh, LHASH_DOALL_ARG_FN(cb_leak), PCRYPTO_MEM_LEAK_CB,
+ &cb);
+ CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC2);
+ }
projects / openssl.git / blobdiff