Small Issues & Maintenance

-=-=-=-=-=-=-=-=-=-=-=-=-=

-Begin work on Navigation Meshes (simple pathfinding for now, will improve soon)
-More doc on theme overriding
-Upgraded OpenSSL to version without bugs
-Misc bugfixes

1 files changed, 874 insertions, 0 deletions

diff --git a/drivers/builtin_openssl2/crypto/mem_dbg.c b/drivers/builtin_openssl2/crypto/mem_dbg.c
new file mode 100644
index 0000000000..ac793397f1
--- /dev/null
+++ b/drivers/builtin_openssl2/crypto/mem_dbg.c
@@ -0,0 +1,874 @@
+/* crypto/mem_dbg.c */
+/* 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).
+ *
+ */
+
+#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>
+
+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 */
+
+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.
+ * 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; /* 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;
+	CRYPTO_THREADID threadid;
+	unsigned long order;
+	time_t time;
+	APP_INFO *app_info;
+	} MEM;
+
+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)
+	{
+	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);
+			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).
+				 * 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_THREADID cur;
+		CRYPTO_THREADID_current(&cur);
+		CRYPTO_r_lock(CRYPTO_LOCK_MALLOC);
+
+		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;
+	}
+
+long CRYPTO_dbg_get_options(void)
+	{
+	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 IMPLEMENT_LHASH_COMP_FN(mem, MEM)
+
+static unsigned long mem_hash(const MEM *a)
+	{
+	unsigned long ret;
+
+	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 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(const APP_INFO *a)
+	{
+	unsigned long ret;
+
+	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)
+	{
+	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);
+				}
+#ifdef LEVITTE_DEBUG_MEM
+			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",
+					CRYPTO_THREADID_hash(&ret->threadid),
+					CRYPTO_THREADID_hash(&tmp.threadid));
+				abort();
+				}
+#endif
+			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(); /* obtain MALLOC2 lock */
+
+		if ((ami = (APP_INFO *)OPENSSL_malloc(sizeof(APP_INFO))) == 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)
+			{
+#ifdef LEVITTE_DEBUG_MEM
+			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",
+					CRYPTO_THREADID_hash(&amim->threadid),
+					CRYPTO_THREADID_hash(&ami->threadid));
+				abort();
+				}
+#endif
+			ami->next=amim;
+			}
+ err:
+		MemCheck_on(); /* release MALLOC2 lock */
+		}
+
+	return(ret);
+	}
+
+int CRYPTO_pop_info(void)
+	{
+	int ret=0;
+
+	if (is_MemCheck_on()) /* _must_ be true, or something went severely wrong */
+		{
+		MemCheck_off(); /* obtain MALLOC2 lock */
+
+		ret=(pop_info() != NULL);
+
+		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(); /* obtain MALLOC2 lock */
+
+		while(pop_info() != NULL)
+			ret++;
+
+		MemCheck_on(); /* release MALLOC2 lock */
+		}
+	return(ret);
+	}
+
+
+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(); /* make sure we hold MALLOC2 lock */
+			if ((m=(MEM *)OPENSSL_malloc(sizeof(MEM))) == 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++;
+#ifdef LEVITTE_DEBUG_MEM
+			fprintf(stderr, "LEVITTE_DEBUG_MEM: [%5ld] %c 0x%p (%d)\n",
+				m->order,
+				(before_p & 128) ? '*' : '+',
+				m->addr, m->num);
+#endif
+			if (options & V_CRYPTO_MDEBUG_TIME)
+				m->time=time(NULL);
+			else
+				m->time=0;
+
+			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(); /* make sure we hold MALLOC2 lock */
+
+			m.addr=addr;
+			mp=lh_MEM_delete(mh,&m);
+			if (mp != NULL)
+				{
+#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)
+					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(); /* make sure we hold MALLOC2 lock */
+
+			m.addr=addr1;
+			mp=lh_MEM_delete(mh,&m);
+			if (mp != NULL)
+				{
+#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;
+				(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;
+	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))
+
+	if(m->addr == (char *)l->bio)
+	    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=%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;
+	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
+			{
+			BUF_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));
+
+#ifdef LEVITTE_DEBUG_MEM
+	if (amip)
+		{
+		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;
+
+	if (mh == NULL && amih == NULL)
+		return;
+
+	MemCheck_off(); /* obtain MALLOC2 lock */
+
+	ml.bio=b;
+	ml.bytes=0;
+	ml.chunks=0;
+	if (mh != NULL)
+		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
+		{
+		/* 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;
+
+		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;
+				}
+			}
+
+		mh_mode = old_mh_mode;
+		CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
+		}
+	MemCheck_on(); /* release MALLOC2 lock */
+	}
+
+#ifndef OPENSSL_NO_FP_API
+void CRYPTO_mem_leaks_fp(FILE *fp)
+	{
+	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) 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);
+	}