* 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:
* 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
+ * 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
* 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).
+ *
+ */
#include <stdio.h>
#include <stdlib.h>
-#include <time.h>
+#include <time.h>
+#include "internal/cryptlib.h"
#include <openssl/crypto.h>
#include <openssl/buffer.h>
#include <openssl/bio.h>
#include <openssl/lhash.h>
-#include "cryptlib.h"
+#if defined(CRYPTO_MDEBUG_BACKTRACE) && defined(__GNUC__)
+# include <execinfo.h>
+#endif
-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
- * executes one of those sections that want to disable checking
- * temporarily.
- *
- * State CRYPTO_MEM_CHECK_ENABLE without ..._ON makes no sense whatsoever.
+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 executes one of those sections that want to disable
+ * checking temporarily. State CRYPTO_MEM_CHECK_ENABLE without ..._ON makes
+ * no sense whatsoever.
*/
static unsigned long order = 0; /* number of memory requests */
-static LHASH *mh=NULL; /* hash-table of memory requests (address as key) */
+DECLARE_LHASH_OF(MEM);
+static LHASH_OF(MEM) *mh = NULL; /* hash-table of memory requests (address as
+ * key); access requires MALLOC2 lock */
typedef struct app_mem_info_st
-/* For application-defined information (static C-string `info')
+/*-
+ * 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.
*/
- {
- unsigned long thread;
- const char *file;
- int line;
- const char *info;
- struct app_mem_info_st *next; /* tail of thread's stack */
- int references;
- } APP_INFO;
-
-static LHASH *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) */
+{
+ CRYPTO_THREADID threadid;
+ const char *file;
+ int line;
+ const char *info;
+ struct app_mem_info_st *next; /* tail of thread's stack */
+ int references;
+} APP_INFO;
+
+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 */
- {
- void *addr;
- int num;
- const char *file;
- int line;
- unsigned long thread;
- unsigned long order;
- time_t time;
- APP_INFO *app_info;
- } MEM;
-
-static long options = /* extra information to be recorded */
+{
+ void *addr;
+ int num;
+ const char *file;
+ int line;
+ CRYPTO_THREADID threadid;
+ unsigned long order;
+ time_t time;
+ APP_INFO *app_info;
+#if defined(CRYPTO_MDEBUG_BACKTRACE) && defined(__GNUC__)
+ void *array[30];
+ size_t array_siz;
+#endif
+} MEM;
+
+static long options = /* extra information to be recorded */
#if defined(CRYPTO_MDEBUG_TIME) || defined(CRYPTO_MDEBUG_ALL)
- V_CRYPTO_MDEBUG_TIME |
+ V_CRYPTO_MDEBUG_TIME |
#endif
#if defined(CRYPTO_MDEBUG_THREAD) || defined(CRYPTO_MDEBUG_ALL)
- V_CRYPTO_MDEBUG_THREAD |
+ V_CRYPTO_MDEBUG_THREAD |
#endif
- 0;
+ 0;
+static unsigned int num_disable = 0; /* num_disable > 0 iff mh_mode ==
+ * CRYPTO_MEM_CHECK_ON (w/o ..._ENABLE) */
-static unsigned long disabling_thread = 0;
+/*
+ * 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)
+ return;
+ if (--(inf->references) <= 0) {
+ app_info_free(inf->next);
+ OPENSSL_free(inf);
+ }
+}
int CRYPTO_mem_ctrl(int mode)
- {
- int ret=mh_mode;
-
- CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
- switch (mode)
- {
- /* for applications: */
- case CRYPTO_MEM_CHECK_ON: /* aka MemCheck_start() */
- mh_mode = CRYPTO_MEM_CHECK_ON|CRYPTO_MEM_CHECK_ENABLE;
- disabling_thread = 0;
- break;
- case CRYPTO_MEM_CHECK_OFF: /* aka MemCheck_stop() */
- mh_mode = 0;
- disabling_thread = 0;
- 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 */
- {
- /* 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).
- * Give them a chance, first, and then claim the locks in
- * appropriate order (long-time lock first).
- */
- CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
- /* Note that after we have waited for CRYPTO_LOCK_MALLOC2
- * and CRYPTO_LOCK_MALLOC, 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_w_lock(CRYPTO_LOCK_MALLOC2);
- CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
- disabling_thread=CRYPTO_thread_id();
- }
- }
- 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)
- {
- disabling_thread=0;
- CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC2);
- }
- }
- break;
-
- default:
- break;
- }
- CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
- return(ret);
- }
+{
+ int ret = mh_mode;
+
+ CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
+ switch (mode) {
+ /*
+ * 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;
+ num_disable = 0;
+ break;
+ case CRYPTO_MEM_CHECK_OFF: /* aka MemCheck_stop() */
+ mh_mode = 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) {
+ CRYPTO_THREADID cur;
+ CRYPTO_THREADID_current(&cur);
+ /* see if we don't have the MALLOC2 lock already */
+ if (!num_disable
+ || CRYPTO_THREADID_cmp(&disabling_threadid, &cur)) {
+ /*
+ * 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). Give
+ * them a chance, first, and then claim the locks in
+ * appropriate order (long-time lock first).
+ */
+ CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
+ /*
+ * Note that after we have waited for CRYPTO_LOCK_MALLOC2 and
+ * CRYPTO_LOCK_MALLOC, 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_w_lock(CRYPTO_LOCK_MALLOC2);
+ CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
+ 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) {
+ if (num_disable) { /* always true, or something is going wrong */
+ num_disable--;
+ if (num_disable == 0) {
+ mh_mode |= CRYPTO_MEM_CHECK_ENABLE;
+ CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC2);
+ }
+ }
+ }
+ break;
+
+ default:
+ break;
+ }
+ CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
+ return (ret);
+}
int CRYPTO_is_mem_check_on(void)
- {
- int ret = 0;
-
- if (mh_mode & CRYPTO_MEM_CHECK_ON)
- {
- CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
+{
+ int ret = 0;
- ret = (mh_mode & CRYPTO_MEM_CHECK_ENABLE)
- && disabling_thread != CRYPTO_thread_id();
+ if (mh_mode & CRYPTO_MEM_CHECK_ON) {
+ CRYPTO_THREADID cur;
+ CRYPTO_THREADID_current(&cur);
+ CRYPTO_r_lock(CRYPTO_LOCK_MALLOC);
- CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
- }
- return(ret);
- }
+ ret = (mh_mode & CRYPTO_MEM_CHECK_ENABLE)
+ || CRYPTO_THREADID_cmp(&disabling_threadid, &cur);
+ CRYPTO_r_unlock(CRYPTO_LOCK_MALLOC);
+ }
+ return (ret);
+}
void CRYPTO_dbg_set_options(long bits)
- {
- options = bits;
- }
+{
+ options = bits;
+}
long CRYPTO_dbg_get_options(void)
- {
- return options;
- }
+{
+ return options;
+}
+
+static int mem_cmp(const MEM *a, const MEM *b)
+{
+#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 int mem_cmp(MEM *a, MEM *b) */
-static int mem_cmp(const void *a_void, const void *b_void)
- {
- return((const char *)((MEM *)a_void)->addr
- - (const char *)((MEM *)b_void)->addr);
- }
+static IMPLEMENT_LHASH_COMP_FN(mem, MEM)
-/* static unsigned long mem_hash(MEM *a) */
-static unsigned long mem_hash(const void *a_void)
- {
- unsigned long ret;
+static unsigned long mem_hash(const MEM *a)
+{
+ size_t ret;
- ret=(unsigned long)((const MEM *)a_void)->addr;
+ ret = (size_t)a->addr;
- ret=ret*17851+(ret>>14)*7+(ret>>4)*251;
- return(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(const void *a_void, const void *b_void)
- {
- return(((const APP_INFO *)a_void)->thread
- != ((const APP_INFO *)b_void)->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 void *a_void)
- {
- unsigned long ret;
+static unsigned long app_info_hash(const APP_INFO *a)
+{
+ unsigned long ret;
- ret=(unsigned long)((const APP_INFO *)a_void)->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);
+}
- ret=ret*17851+(ret>>14)*7+(ret>>4)*251;
- return(ret);
- }
+static IMPLEMENT_LHASH_HASH_FN(app_info, APP_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,&tmp)) != NULL)
- {
- APP_INFO *next=ret->next;
-
- if (next != NULL)
- {
- next->references++;
- lh_insert(amih,(char *)next);
- }
-#ifdef LEVITTE_DEBUG_MEM
- if (ret->thread != tmp.thread)
- {
- fprintf(stderr, "pop_info(): deleted info has other thread ID (%lu) than the current thread (%lu)!!!!\n",
- ret->thread, tmp.thread);
- abort();
- }
-#endif
- if (--(ret->references) <= 0)
- {
- ret->next = NULL;
- if (next != NULL)
- next->references--;
- OPENSSL_free(ret);
- }
- }
- }
- return(ret);
- }
+{
+ APP_INFO tmp;
+ APP_INFO *ret = NULL;
+
+ if (amih != 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++;
+ (void)lh_APP_INFO_insert(amih, next);
+ }
+ if (--(ret->references) <= 0) {
+ ret->next = NULL;
+ if (next != NULL)
+ next->references--;
+ OPENSSL_free(ret);
+ }
+ }
+ }
+ return (ret);
+}
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(); /* obtains CRYPTO_LOCK_MALLOC2 */
-
- 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)
- {
- OPENSSL_free(ami);
- ret=0;
- goto err;
- }
- }
-
- ami->thread=CRYPTO_thread_id();
- 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)
- {
-#ifdef LEVITTE_DEBUG_MEM
- if (ami->thread != amim->thread)
- {
- fprintf(stderr, "CRYPTO_push_info(): previous info has other thread ID (%lu) than the current thread (%lu)!!!!\n",
- amim->thread, ami->thread);
- abort();
- }
-#endif
- ami->next=amim;
- }
+{
+ APP_INFO *ami, *amim;
+ int ret = 0;
+
+ if (is_MemCheck_on()) {
+ MemCheck_off(); /* obtain MALLOC2 lock */
+
+ if ((ami = OPENSSL_malloc(sizeof(*ami))) == NULL) {
+ ret = 0;
+ goto err;
+ }
+ if (amih == NULL) {
+ if ((amih = lh_APP_INFO_new()) == NULL) {
+ OPENSSL_free(ami);
+ ret = 0;
+ goto err;
+ }
+ }
+
+ CRYPTO_THREADID_current(&ami->threadid);
+ ami->file = file;
+ ami->line = line;
+ ami->info = info;
+ ami->references = 1;
+ ami->next = NULL;
+
+ if ((amim = lh_APP_INFO_insert(amih, ami)) != NULL)
+ ami->next = amim;
err:
- MemCheck_on(); /* releases CRYPTO_LOCK_MALLOC2 */
- }
+ MemCheck_on(); /* release MALLOC2 lock */
+ }
- return(ret);
- }
+ return (ret);
+}
int CRYPTO_pop_info(void)
- {
- int ret=0;
+{
+ int ret = 0;
- if (is_MemCheck_on()) /* _must_ be true, or something went severely wrong */
- {
- MemCheck_off(); /* obtains CRYPTO_LOCK_MALLOC2 */
+ if (is_MemCheck_on()) { /* _must_ be true, or something went severely
+ * wrong */
+ MemCheck_off(); /* obtain MALLOC2 lock */
- ret=(pop_info() != NULL);
+ ret = (pop_info() != NULL);
- MemCheck_on(); /* releases CRYPTO_LOCK_MALLOC2 */
- }
- return(ret);
- }
+ MemCheck_on(); /* release MALLOC2 lock */
+ }
+ return (ret);
+}
int CRYPTO_remove_all_info(void)
- {
- int ret=0;
-
- if (is_MemCheck_on()) /* _must_ be true */
- {
- MemCheck_off(); /* obtains CRYPTO_LOCK_MALLOC2 */
+{
+ int ret = 0;
- while(pop_info() != NULL)
- ret++;
+ if (is_MemCheck_on()) { /* _must_ be true */
+ MemCheck_off(); /* obtain MALLOC2 lock */
- MemCheck_on(); /* releases CRYPTO_LOCK_MALLOC2 */
- }
- return(ret);
- }
+ while (pop_info() != NULL)
+ ret++;
+ MemCheck_on(); /* release MALLOC2 lock */
+ }
+ return (ret);
+}
-static unsigned long break_order_num=0;
+static unsigned long break_order_num = 0;
void CRYPTO_dbg_malloc(void *addr, int num, const char *file, int line,
- int before_p)
- {
- MEM *m,*mm;
- APP_INFO tmp,*amim;
-
- switch(before_p & 127)
- {
- case 0:
- break;
- case 1:
- if (addr == NULL)
- break;
-
- if (is_MemCheck_on())
- {
- MemCheck_off(); /* obtains CRYPTO_LOCK_MALLOC2 */
- if ((m=(MEM *)OPENSSL_malloc(sizeof(MEM))) == NULL)
- {
- OPENSSL_free(addr);
- MemCheck_on(); /* releases CRYPTO_LOCK_MALLOC2 */
- return;
- }
- if (mh == NULL)
- {
- if ((mh=lh_new(mem_hash, mem_cmp)) == NULL)
- {
- OPENSSL_free(addr);
- OPENSSL_free(m);
- addr=NULL;
- goto err;
- }
- }
-
- m->addr=addr;
- m->file=file;
- m->line=line;
- m->num=num;
- if (options & V_CRYPTO_MDEBUG_THREAD)
- m->thread=CRYPTO_thread_id();
- else
- m->thread=0;
-
- if (order == break_order_num)
- {
- /* BREAK HERE */
- m->order=order;
- }
- m->order=order++;
-#ifdef LEVITTE_DEBUG_MEM
- fprintf(stderr, "LEVITTE_DEBUG_MEM: [%5d] %c 0x%p (%d)\n",
- m->order,
- (before_p & 128) ? '*' : '+',
- m->addr, m->num);
+ int before_p)
+{
+ MEM *m, *mm;
+ APP_INFO tmp, *amim;
+
+ switch (before_p & 127) {
+ case 0:
+ break;
+ case 1:
+ if (addr == NULL)
+ break;
+
+ if (is_MemCheck_on()) {
+ MemCheck_off(); /* make sure we hold MALLOC2 lock */
+ if ((m = OPENSSL_malloc(sizeof(*m))) == NULL) {
+ OPENSSL_free(addr);
+ MemCheck_on(); /* release MALLOC2 lock if num_disabled drops
+ * to 0 */
+ return;
+ }
+ if (mh == NULL) {
+ if ((mh = lh_MEM_new()) == NULL) {
+ OPENSSL_free(addr);
+ OPENSSL_free(m);
+ addr = NULL;
+ goto err;
+ }
+ }
+
+ m->addr = addr;
+ m->file = file;
+ m->line = line;
+ m->num = num;
+ if (options & V_CRYPTO_MDEBUG_THREAD)
+ CRYPTO_THREADID_current(&m->threadid);
+ else
+ memset(&m->threadid, 0, sizeof(m->threadid));
+
+ if (order == break_order_num) {
+ /* BREAK HERE */
+ m->order = order;
+ }
+ m->order = order++;
+ if (options & V_CRYPTO_MDEBUG_TIME)
+ m->time = time(NULL);
+ else
+ m->time = 0;
+#if defined(CRYPTO_MDEBUG_BACKTRACE) && defined(__GNUC__)
+ m->array_siz = backtrace(m->array, OSSL_NELEM(m->array));
#endif
- if (options & V_CRYPTO_MDEBUG_TIME)
- m->time=time(NULL);
- else
- m->time=0;
-
- tmp.thread=CRYPTO_thread_id();
- m->app_info=NULL;
- if (amih != NULL
- && (amim=(APP_INFO *)lh_retrieve(amih,(char *)&tmp)) != NULL)
- {
- m->app_info = amim;
- amim->references++;
- }
-
- if ((mm=(MEM *)lh_insert(mh,(char *)m)) != NULL)
- {
- /* Not good, but don't sweat it */
- if (mm->app_info != NULL)
- {
- mm->app_info->references--;
- }
- OPENSSL_free(mm);
- }
- err:
- MemCheck_on(); /* releases CRYPTO_LOCK_MALLOC2 */
- }
- break;
- }
- return;
- }
+
+ CRYPTO_THREADID_current(&tmp.threadid);
+ m->app_info = NULL;
+ if (amih != NULL
+ && (amim = lh_APP_INFO_retrieve(amih, &tmp)) != NULL) {
+ m->app_info = amim;
+ amim->references++;
+ }
+
+ if ((mm = lh_MEM_insert(mh, m)) != NULL) {
+ /* Not good, but don't sweat it */
+ if (mm->app_info != NULL) {
+ mm->app_info->references--;
+ }
+ OPENSSL_free(mm);
+ }
+ err:
+ MemCheck_on(); /* release MALLOC2 lock if num_disabled drops
+ * to 0 */
+ }
+ break;
+ }
+ return;
+}
void CRYPTO_dbg_free(void *addr, int before_p)
- {
- MEM m,*mp;
-
- switch(before_p)
- {
- case 0:
- if (addr == NULL)
- break;
-
- if (is_MemCheck_on() && (mh != NULL))
- {
- MemCheck_off();
-
- m.addr=addr;
- mp=(MEM *)lh_delete(mh,(char *)&m);
- if (mp != NULL)
- {
-#ifdef LEVITTE_DEBUG_MEM
- fprintf(stderr, "LEVITTE_DEBUG_MEM: [%5d] - 0x%p (%d)\n",
- mp->order, mp->addr, mp->num);
-#endif
- if (mp->app_info != NULL)
- {
- mp->app_info->references--;
- }
- OPENSSL_free(mp);
- }
-
- MemCheck_on(); /* releases CRYPTO_LOCK_MALLOC2 */
- }
- break;
- case 1:
- break;
- }
- }
+{
+ MEM m, *mp;
+
+ switch (before_p) {
+ case 0:
+ if (addr == NULL)
+ break;
+
+ if (is_MemCheck_on() && (mh != NULL)) {
+ MemCheck_off(); /* make sure we hold MALLOC2 lock */
+
+ m.addr = addr;
+ mp = lh_MEM_delete(mh, &m);
+ if (mp != NULL) {
+ app_info_free(mp->app_info);
+ OPENSSL_free(mp);
+ }
+
+ MemCheck_on(); /* release MALLOC2 lock if num_disabled drops
+ * to 0 */
+ }
+ break;
+ case 1:
+ break;
+ }
+}
void CRYPTO_dbg_realloc(void *addr1, void *addr2, int num,
- const char *file, int line, int before_p)
- {
- MEM m,*mp;
-
-#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
-
- switch(before_p)
- {
- case 0:
- break;
- case 1:
- if (addr2 == NULL)
- break;
-
- if (addr1 == NULL)
- {
- CRYPTO_dbg_malloc(addr2, num, file, line, 128 | before_p);
- break;
- }
-
- if (is_MemCheck_on())
- {
- MemCheck_off(); /* obtains CRYPTO_LOCK_MALLOC2 */
-
- m.addr=addr1;
- mp=(MEM *)lh_delete(mh,(char *)&m);
- if (mp != NULL)
- {
-#ifdef LEVITTE_DEBUG_MEM
- fprintf(stderr, "LEVITTE_DEBUG_MEM: [%5d] * 0x%p (%d) -> 0x%p (%d)\n",
- mp->order,
- mp->addr, mp->num,
- addr2, num);
+ const char *file, int line, int before_p)
+{
+ MEM m, *mp;
+
+ switch (before_p) {
+ case 0:
+ break;
+ case 1:
+ if (addr2 == NULL)
+ break;
+
+ if (addr1 == NULL) {
+ CRYPTO_dbg_malloc(addr2, num, file, line, 128 | before_p);
+ break;
+ }
+
+ if (is_MemCheck_on()) {
+ MemCheck_off(); /* make sure we hold MALLOC2 lock */
+
+ 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
- mp->addr=addr2;
- mp->num=num;
- lh_insert(mh,(char *)mp);
- }
-
- MemCheck_on(); /* releases CRYPTO_LOCK_MALLOC2 */
- }
- break;
- }
- return;
- }
-
-
-typedef struct mem_leak_st
- {
- BIO *bio;
- int chunks;
- long bytes;
- } MEM_LEAK;
-
-static void print_leak(MEM *m, MEM_LEAK *l)
- {
- char buf[1024];
- char *bufp = buf;
- APP_INFO *amip;
- int ami_cnt;
- struct tm *lcl = NULL;
- unsigned long ti;
-
- if(m->addr == (char *)l->bio)
- return;
-
- if (options & V_CRYPTO_MDEBUG_TIME)
- {
- lcl = localtime(&m->time);
-
- sprintf(bufp, "[%02d:%02d:%02d] ",
- lcl->tm_hour,lcl->tm_min,lcl->tm_sec);
- bufp += strlen(bufp);
- }
-
- sprintf(bufp, "%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);
- bufp += strlen(bufp);
- }
-
- sprintf(bufp, "number=%d, address=%08lX\n",
- m->num,(unsigned long)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)
- return;
- ti=amip->thread;
-
- 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);
- 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
- {
- strcpy(buf + buf_len, amip->info);
- buf_len = strlen(buf);
- }
- sprintf(buf + buf_len, "\"\n");
-
- BIO_puts(l->bio,buf);
-
- amip = amip->next;
- }
- while(amip && amip->thread == ti);
-
-#ifdef LEVITTE_DEBUG_MEM
- if (amip)
- {
- fprintf(stderr, "Thread switch detected in backtrace!!!!\n");
- abort();
- }
+ (void)lh_MEM_insert(mh, mp);
+ }
+
+ MemCheck_on(); /* release MALLOC2 lock if num_disabled drops
+ * to 0 */
+ }
+ break;
+ }
+ return;
+}
+
+typedef struct mem_leak_st {
+ BIO *bio;
+ int chunks;
+ int seen;
+ long bytes;
+} MEM_LEAK;
+
+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;
+ 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;
+ }
+
+ if (options & V_CRYPTO_MDEBUG_TIME) {
+ 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);
+
+ if (options & V_CRYPTO_MDEBUG_THREAD) {
+ 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
- }
+}
-static IMPLEMENT_LHASH_DOALL_ARG_FN(print_leak, MEM *, MEM_LEAK *)
+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 && amih == NULL)
- return;
- ml.bio=b;
- ml.bytes=0;
- ml.chunks=0;
- MemCheck_off(); /* obtains CRYPTO_LOCK_MALLOC2 */
- if (mh != NULL)
- lh_doall_arg(mh, LHASH_DOALL_ARG_FN(print_leak),
- (char *)&ml);
- if (ml.chunks != 0)
- {
- sprintf(buf,"%ld bytes leaked in %d chunks\n",
- ml.bytes,ml.chunks);
- BIO_puts(b,buf);
- }
- 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 their 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;
-
- CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
-
- /* 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;
-
- if (mh != NULL)
- {
- lh_free(mh);
- mh = NULL;
- }
- if (amih != NULL)
- {
- if (lh_num_items(amih) == 0)
- {
- lh_free(amih);
- amih = NULL;
- }
- }
-
- mh_mode = old_mh_mode;
- CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
- }
- MemCheck_on(); /* releases CRYPTO_LOCK_MALLOC2 */
-
-#if 0
- lh_stats_bio(mh,b);
- lh_node_stats_bio(mh,b);
- lh_node_usage_stats_bio(mh,b);
+{
+ MEM_LEAK ml;
+
+ if (mh == NULL && amih == NULL)
+ return;
+
+ MemCheck_off(); /* obtain MALLOC2 lock */
+
+ ml.bio = b;
+ ml.bytes = 0;
+ ml.chunks = 0;
+ ml.seen = 0;
+ if (mh != NULL)
+ lh_MEM_doall_arg(mh, LHASH_DOALL_ARG_FN(print_leak), MEM_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);
+#ifdef CRYPTO_MDEBUG_ABORT
+ abort();
#endif
- }
-
-#ifndef NO_FP_API
+ } 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;
+
+ CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
+
+ /*
+ * 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;
+
+ 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);
+ }
+ MemCheck_on(); /* release MALLOC2 lock */
+}
+
+#ifndef OPENSSL_NO_STDIO
void CRYPTO_mem_leaks_fp(FILE *fp)
- {
- BIO *b;
-
- if (mh == NULL) return;
- if ((b=BIO_new(BIO_s_file())) == NULL)
- return;
- BIO_set_fp(b,fp,BIO_NOCLOSE);
- CRYPTO_mem_leaks(b);
- BIO_free(b);
- }
+{
+ BIO *b;
+
+ if (mh == 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 == NULL)
+ 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;
-/* 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 */
-static void cb_leak(MEM *m, CRYPTO_MEM_LEAK_CB *cb)
- {
- (**cb)(m->order,m->file,m->line,m->num,m->addr);
- }
+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, MEM *, CRYPTO_MEM_LEAK_CB *)
+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_doall_arg(mh, LHASH_DOALL_ARG_FN(cb_leak), &cb);
- CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC2);
- }
+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