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openssl/crypto/mem_dbg.c

Index: openssl/crypto/mem_dbg.c
===================================================================
--- openssl/crypto/mem_dbg.c	(revision 105093)
+++ openssl/crypto/mem_dbg.c	(working copy)
@@ -55,6 +55,59 @@
  * 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>
@@ -81,10 +134,13 @@
  */
 
 static unsigned long order = 0; /* number of memory requests */
-static LHASH *mh=NULL; /* hash-table of memory requests (address as key);
-                        * access requires MALLOC2 lock */
 
+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')
  * to be displayed in memory leak list.
@@ -93,8 +149,8 @@
  *   CRYPTO_pop_info()           to pop an entry,
  *   CRYPTO_remove_all_info()    to pop all entries.
  */
-	{	
-	unsigned long thread;
+	{
+	CRYPTO_THREADID threadid;
 	const char *file;
 	int line;
 	const char *info;
@@ -104,10 +160,13 @@
 
 static void app_info_free(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);
-                          * access requires MALLOC2 lock */
+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 */
@@ -116,7 +175,7 @@
 	int num;
 	const char *file;
 	int line;
-	unsigned long thread;
+	CRYPTO_THREADID threadid;
 	unsigned long order;
 	time_t time;
 	APP_INFO *app_info;
@@ -136,12 +195,12 @@
                                       *     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).
-                                            */
 
+/* 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)
@@ -177,7 +236,9 @@
 	case CRYPTO_MEM_CHECK_DISABLE: /* aka MemCheck_off() */
 		if (mh_mode & CRYPTO_MEM_CHECK_ON)
 			{
-			if (!num_disable || (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
@@ -195,7 +256,7 @@
 				CRYPTO_w_lock(CRYPTO_LOCK_MALLOC2);
 				CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
 				mh_mode &= ~CRYPTO_MEM_CHECK_ENABLE;
-				disabling_thread=CRYPTO_thread_id();
+				CRYPTO_THREADID_cpy(&disabling_threadid, &cur);
 				}
 			num_disable++;
 			}
@@ -228,10 +289,12 @@
 
 	if (mh_mode & CRYPTO_MEM_CHECK_ON)
 		{
+		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_r_unlock(CRYPTO_LOCK_MALLOC);
 		}
@@ -249,49 +312,49 @@
 	return options;
 	}
 
-/* static int mem_cmp(MEM *a, MEM *b) */
-static int mem_cmp(const void *a_void, const void *b_void)
+static int mem_cmp(const MEM *a, const MEM *b)
 	{
 #ifdef _WIN64
-	const char *a=(const char *)((const MEM *)a_void)->addr,
-		   *b=(const char *)((const MEM *)b_void)->addr;
-	if (a==b)	return 0;
-	else if (a>b)	return 1;
+	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 *)((const MEM *)a_void)->addr
-		- (const char *)((const MEM *)b_void)->addr);
+	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 void *a_void)
+static unsigned long mem_hash(const MEM *a)
 	{
 	unsigned long ret;
 
-	ret=(unsigned long)((const MEM *)a_void)->addr;
+	ret=(unsigned long)a->addr;
 
 	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)
+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);
 	}
+static IMPLEMENT_LHASH_HASH_FN(app_info, APP_INFO)
 
 static APP_INFO *pop_info(void)
 	{
@@ -300,21 +363,22 @@
 
 	if (amih != NULL)
 		{
-		tmp.thread=CRYPTO_thread_id();
-		if ((ret=(APP_INFO *)lh_delete(amih,&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_MEM
-			if (ret->thread != tmp.thread)
+			if (CRYPTO_THREADID_cmp(&ret->threadid, &tmp.threadid))
 				{
 				fprintf(stderr, "pop_info(): deleted info has other thread ID (%lu) than the current thread (%lu)!!!!\n",
-					ret->thread, tmp.thread);
+					CRYPTO_THREADID_hash(&ret->threadid),
+					CRYPTO_THREADID_hash(&tmp.threadid));
 				abort();
 				}
 #endif
@@ -330,7 +394,7 @@
 	return(ret);
 	}
 
-int CRYPTO_dbg_push_info(const char *info, const char *file, int line)
+int CRYPTO_push_info_(const char *info, const char *file, int line)
 	{
 	APP_INFO *ami, *amim;
 	int ret=0;
@@ -346,7 +410,7 @@
 			}
 		if (amih == NULL)
 			{
-			if ((amih=lh_new(app_info_hash, app_info_cmp)) == NULL)
+			if ((amih=lh_APP_INFO_new()) == NULL)
 				{
 				OPENSSL_free(ami);
 				ret=0;
@@ -354,20 +418,21 @@
 				}
 			}
 
-		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_MEM
-			if (ami->thread != amim->thread)
+			if (CRYPTO_THREADID_cmp(&ami->threadid, &amim->threadid))
 				{
 				fprintf(stderr, "CRYPTO_push_info(): previous info has other thread ID (%lu) than the current thread (%lu)!!!!\n",
-					amim->thread, ami->thread);
+					CRYPTO_THREADID_hash(&amim->threadid),
+					CRYPTO_THREADID_hash(&ami->threadid));
 				abort();
 				}
 #endif
@@ -380,7 +445,7 @@
 	return(ret);
 	}
 
-int CRYPTO_dbg_pop_info(void)
+int CRYPTO_pop_info(void)
 	{
 	int ret=0;
 
@@ -395,7 +460,7 @@
 	return(ret);
 	}
 
-int CRYPTO_dbg_remove_all_info(void)
+int CRYPTO_remove_all_info(void)
 	{
 	int ret=0;
 
@@ -439,7 +504,7 @@
 				}
 			if (mh == NULL)
 				{
-				if ((mh=lh_new(mem_hash, mem_cmp)) == NULL)
+				if ((mh=lh_MEM_new()) == NULL)
 					{
 					OPENSSL_free(addr);
 					OPENSSL_free(m);
@@ -453,9 +518,9 @@
 			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)
 				{
@@ -464,7 +529,7 @@
 				}
 			m->order=order++;
 #ifdef LEVITTE_DEBUG_MEM
-			fprintf(stderr, "LEVITTE_DEBUG_MEM: [%5d] %c 0x%p (%d)\n",
+			fprintf(stderr, "LEVITTE_DEBUG_MEM: [%5ld] %c 0x%p (%d)\n",
 				m->order,
 				(before_p & 128) ? '*' : '+',
 				m->addr, m->num);
@@ -474,16 +539,16 @@
 			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)
@@ -516,11 +581,11 @@
 			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_MEM
-			fprintf(stderr, "LEVITTE_DEBUG_MEM: [%5d] - 0x%p (%d)\n",
+			fprintf(stderr, "LEVITTE_DEBUG_MEM: [%5ld] - 0x%p (%d)\n",
 				mp->order, mp->addr, mp->num);
 #endif
 				if (mp->app_info != NULL)
@@ -566,18 +631,18 @@
 			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_MEM
-				fprintf(stderr, "LEVITTE_DEBUG_MEM: [%5d] * 0x%p (%d) -> 0x%p (%d)\n",
+				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(); /* release MALLOC2 lock
@@ -596,14 +661,14 @@
 	long bytes;
 	} MEM_LEAK;
 
-static void print_leak(const 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))
 
@@ -625,7 +690,8 @@
 
 	if (options & V_CRYPTO_MDEBUG_THREAD)
 		{
-		BIO_snprintf(bufp, BUF_REMAIN, "thread=%lu, ", m->thread);
+		BIO_snprintf(bufp, BUF_REMAIN, "thread=%lu, ",
+			CRYPTO_THREADID_hash(&m->threadid));
 		bufp += strlen(bufp);
 		}
 
@@ -642,8 +708,8 @@
 	ami_cnt=0;
 	if (!amip)
 		return;
-	ti=amip->thread;
-	
+	CRYPTO_THREADID_cpy(&ti, &amip->threadid);
+
 	do
 		{
 		int buf_len;
@@ -653,7 +719,8 @@
 		memset(buf,'>',ami_cnt);
 		BIO_snprintf(buf + ami_cnt, sizeof buf - ami_cnt,
 			" thread=%lu, file=%s, line=%d, info=\"",
-			amip->thread, amip->file, amip->line);
+			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)
@@ -673,8 +740,8 @@
 
 		amip = amip->next;
 		}
-	while(amip && amip->thread == ti);
-		
+	while(amip && !CRYPTO_THREADID_cmp(&amip->threadid, &ti));
+
 #ifdef LEVITTE_DEBUG_MEM
 	if (amip)
 		{
@@ -684,7 +751,7 @@
 #endif
 	}
 
-static IMPLEMENT_LHASH_DOALL_ARG_FN(print_leak, const MEM *, MEM_LEAK *)
+static IMPLEMENT_LHASH_DOALL_ARG_FN(print_leak, const MEM, MEM_LEAK)
 
 void CRYPTO_mem_leaks(BIO *b)
 	{
@@ -699,12 +766,15 @@
 	ml.bytes=0;
 	ml.chunks=0;
 	if (mh != NULL)
-		lh_doall_arg(mh, LHASH_DOALL_ARG_FN(print_leak),
-				(char *)&ml);
+		lh_MEM_doall_arg(mh, LHASH_DOALL_ARG_FN(print_leak), MEM_LEAK,
+				 &ml);
 	if (ml.chunks != 0)
 		{
 		BIO_printf(b,"%ld bytes leaked in %d chunks\n",
 			   ml.bytes,ml.chunks);
+#ifdef CRYPTO_MDEBUG_ABORT
+		abort();
+#endif
 		}
 	else
 		{
@@ -717,7 +787,7 @@
 		 * 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
+		 * (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.
@@ -734,14 +804,14 @@
 
 		if (mh != NULL)
 			{
-			lh_free(mh);
+			lh_MEM_free(mh);
 			mh = NULL;
 			}
 		if (amih != NULL)
 			{
-			if (lh_num_items(amih) == 0) 
+			if (lh_APP_INFO_num_items(amih) == 0) 
 				{
-				lh_free(amih);
+				lh_APP_INFO_free(amih);
 				amih = NULL;
 				}
 			}
@@ -779,39 +849,26 @@
 /* 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(const MEM *m, CRYPTO_MEM_LEAK_CB **cb)
+
+/* 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);
+	(*cb)(m->order,m->file,m->line,m->num,m->addr);
 	}
 
-static IMPLEMENT_LHASH_DOALL_ARG_FN(cb_leak, const 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);
+	lh_MEM_doall_arg(mh, LHASH_DOALL_ARG_FN(cb_leak), PCRYPTO_MEM_LEAK_CB,
+			 &cb);
 	CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC2);
 	}
-
-void CRYPTO_malloc_debug_init(void)
-	{
-	CRYPTO_set_mem_debug_functions(
-		CRYPTO_dbg_malloc,
-		CRYPTO_dbg_realloc,
-		CRYPTO_dbg_free,
-		CRYPTO_dbg_set_options,
-		CRYPTO_dbg_get_options);
-	CRYPTO_set_mem_info_functions(
-		CRYPTO_dbg_push_info,
-		CRYPTO_dbg_pop_info,
-		CRYPTO_dbg_remove_all_info);
-	}
-
-char *CRYPTO_strdup(const char *str, const char *file, int line)
-	{
-	char *ret = CRYPTO_malloc(strlen(str)+1, file, line);
-
-	strcpy(ret, str);
-	return ret;
-	}