--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ssl/libcrypto/src/crypto/mem_dbg.c Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,840 @@
+/* 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.]
+ */
+/*
+ © Portions copyright (c) 2006 Nokia Corporation. All rights reserved.
+ */
+
+#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>
+
+#if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__)))
+#include "libcrypto_wsd_macros.h"
+#include "libcrypto_wsd.h"
+#endif
+
+#ifndef EMULATOR
+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);
+ * access requires MALLOC2 lock */
+
+
+#endif
+
+
+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.
+ */
+ {
+ 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 void app_info_free(APP_INFO *);
+
+#ifndef EMULATOR
+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 */
+#else
+ GET_STATIC_VAR_FROM_TLS(amih,mem_dbg,LHASH *)
+ #define amih (*GET_WSD_VAR_NAME(amih,mem_dbg,s)())
+#endif
+
+typedef struct mem_st
+/* memory-block description */
+ {
+ void *addr;
+ int num;
+ const char *file;
+ int line;
+ unsigned long thread;
+ unsigned long iorder;
+ time_t time;
+ APP_INFO *app_info;
+ } MEM;
+
+
+
+#ifdef EMULATOR
+ GET_STATIC_VAR_FROM_TLS(mh_mode,mem_dbg,int)
+ #define mh_mode (*GET_WSD_VAR_NAME(mh_mode,mem_dbg,s)())
+ GET_STATIC_VAR_FROM_TLS(order,mem_dbg,unsigned long)
+ #define order (*GET_WSD_VAR_NAME(order,mem_dbg,s)())
+ GET_STATIC_VAR_FROM_TLS(mh,mem_dbg,LHASH*)
+ #define mh (*GET_WSD_VAR_NAME(mh,mem_dbg,s)())
+#endif
+
+#ifndef EMULATOR
+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)
+ */
+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).
+ */
+
+#else
+ GET_STATIC_VAR_FROM_TLS(options,mem_dbg,unsigned long)
+ #define options (*GET_WSD_VAR_NAME(options,mem_dbg,s)())
+ GET_STATIC_VAR_FROM_TLS(num_disable,mem_dbg,unsigned int)
+ #define num_disable (*GET_WSD_VAR_NAME(num_disable,mem_dbg,s)())
+ GET_STATIC_VAR_FROM_TLS(disabling_thread,mem_dbg,unsigned long)
+ #define disabling_thread (*GET_WSD_VAR_NAME(disabling_thread,mem_dbg,s)())
+#endif
+
+
+
+static void app_info_free(APP_INFO *inf)
+ {
+ if (--(inf->references) <= 0)
+ {
+ if (inf->next != NULL)
+ {
+ app_info_free(inf->next);
+ }
+ OPENSSL_free(inf);
+ }
+ }
+
+EXPORT_C 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)
+ {
+ if (!num_disable || (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);
+ mh_mode &= ~CRYPTO_MEM_CHECK_ENABLE;
+ disabling_thread=CRYPTO_thread_id();
+ }
+ 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);
+ }
+
+EXPORT_C int CRYPTO_is_mem_check_on(void)
+ {
+ int ret = 0;
+
+ if (mh_mode & CRYPTO_MEM_CHECK_ON)
+ {
+ CRYPTO_r_lock(CRYPTO_LOCK_MALLOC);
+
+ ret = (mh_mode & CRYPTO_MEM_CHECK_ENABLE)
+ || (disabling_thread != CRYPTO_thread_id());
+
+ CRYPTO_r_unlock(CRYPTO_LOCK_MALLOC);
+ }
+ return(ret);
+ }
+
+
+EXPORT_C void CRYPTO_dbg_set_options(long bits)
+ {
+ options = bits;
+ }
+
+EXPORT_C long CRYPTO_dbg_get_options(void)
+ {
+ return options;
+ }
+
+/* static int mem_cmp(MEM *a, MEM *b) */
+static int mem_cmp(const void *a_void, const void *b_void)
+ {
+#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;
+ else return -1;
+#else
+ return((const char *)((const MEM *)a_void)->addr
+ - (const char *)((const MEM *)b_void)->addr);
+#endif
+ }
+
+/* static unsigned long mem_hash(MEM *a) */
+static unsigned long mem_hash(const void *a_void)
+ {
+ unsigned long ret;
+
+ ret=(unsigned long)((const MEM *)a_void)->addr;
+
+ ret=ret*17851+(ret>>14)*7+(ret>>4)*251;
+ return(ret);
+ }
+
+/* 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);
+ }
+
+/* static unsigned long app_info_hash(APP_INFO *a) */
+static unsigned long app_info_hash(const void *a_void)
+ {
+ unsigned long ret;
+
+ ret=(unsigned long)((const APP_INFO *)a_void)->thread;
+
+ ret=ret*17851+(ret>>14)*7+(ret>>4)*251;
+ return(ret);
+ }
+
+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);
+ }
+
+EXPORT_C int CRYPTO_push_info_(const char *info, const char *file, int line)
+ {
+ APP_INFO *ami=NULL, *amim=NULL;
+ 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_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;
+ }
+ err:
+ MemCheck_on(); /* release MALLOC2 lock */
+ }
+
+ return(ret);
+ }
+
+EXPORT_C 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);
+ }
+
+EXPORT_C 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);
+ }
+
+#ifndef EMULATOR
+static unsigned long break_order_num=0;
+#else
+static const unsigned long break_order_num=0;
+#endif
+EXPORT_C void CRYPTO_dbg_malloc(void *addr, int num, const char *file, int line,
+ int before_p)
+ {
+ MEM *m=NULL,*mm=NULL;
+ APP_INFO tmp,*amim=NULL;
+
+ 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_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->iorder=order;
+ }
+ m->iorder=order++;
+#ifdef LEVITTE_DEBUG_MEM
+ fprintf(stderr, "LEVITTE_DEBUG_MEM: [%5d] %c 0x%p (%d)\n",
+ m->iorder,
+ (before_p & 128) ? '*' : '+',
+ m->addr, m->num);
+#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(); /* release MALLOC2 lock
+ * if num_disabled drops to 0 */
+ }
+ break;
+ }
+ return;
+ }
+
+EXPORT_C void CRYPTO_dbg_free(void *addr, int before_p)
+ {
+ MEM m,*mp=NULL;
+
+ 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=(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)
+ app_info_free(mp->app_info);
+ OPENSSL_free(mp);
+ }
+
+ MemCheck_on(); /* release MALLOC2 lock
+ * if num_disabled drops to 0 */
+ }
+ break;
+ case 1:
+ break;
+ }
+ }
+
+EXPORT_C 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=(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);
+#endif
+ mp->addr=addr2;
+ mp->num=num;
+ lh_insert(mh,(char *)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(const MEM *m, MEM_LEAK *l)
+ {
+#ifndef SYMBIAN
+ char buf[1024];
+#else
+ char buf[512];
+#endif
+ char *bufp = buf;
+ APP_INFO *amip;
+ int ami_cnt;
+ struct tm *lcl = NULL;
+ unsigned long 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->iorder,m->file,m->line);
+ bufp += strlen(bufp);
+
+ if (options & V_CRYPTO_MDEBUG_THREAD)
+ {
+ BIO_snprintf(bufp, BUF_REMAIN, "thread=%lu, ", m->thread);
+ 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;
+ ti=amip->thread;
+
+ 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=\"",
+ 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
+ {
+ 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 && amip->thread == 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 *)
+
+EXPORT_C 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_doall_arg(mh, LHASH_DOALL_ARG_FN(print_leak),
+ (char *)&ml);
+ if (ml.chunks != 0)
+ {
+ BIO_printf(b,"%ld bytes leaked in %d chunks\n",
+ ml.bytes,ml.chunks);
+ }
+ 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(); /* release MALLOC2 lock */
+ }
+
+#ifndef OPENSSL_NO_FP_API
+EXPORT_C void CRYPTO_mem_leaks_fp(FILE *fp)
+ {
+ BIO *b=NULL;
+
+ 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 */
+static void cb_leak(const MEM *m, CRYPTO_MEM_LEAK_CB **cb)
+ {
+ (**cb)(m->iorder,m->file,m->line,m->num,m->addr);
+ }
+
+static IMPLEMENT_LHASH_DOALL_ARG_FN(cb_leak, const MEM *, CRYPTO_MEM_LEAK_CB **)
+
+EXPORT_C 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);
+ }