#include <stdio.h>
#include <stdlib.h>
-#include "buffer.h"
-#include "bio.h"
-#include "lhash.h"
+#include <openssl/buffer.h>
+#include <openssl/bio.h>
+#include <openssl/lhash.h>
#include "cryptlib.h"
+/* #ifdef CRYPTO_MDEBUG */
+/* static int mh_mode=CRYPTO_MEM_CHECK_ON; */
+/* #else */
static int mh_mode=CRYPTO_MEM_CHECK_OFF;
+/* #endif */
+/* 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;
static LHASH *mh=NULL;
{
char *addr;
int num;
- char *file;
+ const char *file;
int line;
unsigned long order;
} MEM;
-int CRYPTO_mem_ctrl(mode)
-int mode;
+int CRYPTO_mem_ctrl(int mode)
{
int ret=mh_mode;
CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
switch (mode)
{
- case CRYPTO_MEM_CHECK_ON:
- mh_mode|=CRYPTO_MEM_CHECK_ON;
+ /* for applications: */
+ case CRYPTO_MEM_CHECK_ON: /* aka MemCheck_start() */
+ mh_mode = CRYPTO_MEM_CHECK_ON|CRYPTO_MEM_CHECK_ENABLE;
+ break;
+ case CRYPTO_MEM_CHECK_OFF: /* aka MemCheck_stop() */
+ mh_mode = 0;
+ break;
+
+ /* switch off temporarily (for library-internal use): */
+ case CRYPTO_MEM_CHECK_DISABLE: /* aka MemCheck_off() */
+ mh_mode&= ~CRYPTO_MEM_CHECK_ENABLE;
break;
- case CRYPTO_MEM_CHECK_OFF:
- mh_mode&= ~CRYPTO_MEM_CHECK_ON;
+ case CRYPTO_MEM_CHECK_ENABLE: /* aka MemCheck_on() */
+ if (mh_mode&CRYPTO_MEM_CHECK_ON)
+ mh_mode|=CRYPTO_MEM_CHECK_ENABLE;
break;
+
default:
break;
}
return(ret);
}
-static int mem_cmp(a,b)
-MEM *a,*b;
+static int mem_cmp(MEM *a, MEM *b)
{
return(a->addr - b->addr);
}
-static unsigned long mem_hash(a)
-MEM *a;
+static unsigned long mem_hash(MEM *a)
{
unsigned long ret;
return(ret);
}
+static char *(*malloc_locked_func)()=(char *(*)())malloc;
+static void (*free_locked_func)()=(void (*)())free;
static char *(*malloc_func)()= (char *(*)())malloc;
static char *(*realloc_func)()= (char *(*)())realloc;
static void (*free_func)()= (void (*)())free;
-void CRYPTO_set_mem_functions(m,r,f)
-char *(*m)();
-char *(*r)();
-void (*f)();
+void CRYPTO_set_mem_functions(char *(*m)(), char *(*r)(), void (*f)())
{
if ((m == NULL) || (r == NULL) || (f == NULL)) return;
malloc_func=m;
realloc_func=r;
free_func=f;
+ malloc_locked_func=m;
+ free_locked_func=f;
+ }
+
+void CRYPTO_set_locked_mem_functions(char *(*m)(), void (*f)())
+ {
+ if ((m == NULL) || (f == NULL)) return;
+ malloc_locked_func=m;
+ free_locked_func=f;
}
-void CRYPTO_get_mem_functions(m,r,f)
-char *(**m)();
-char *(**r)();
-void (**f)();
+void CRYPTO_get_mem_functions(char *(**m)(), char *(**r)(), void (**f)())
{
if (m != NULL) *m=malloc_func;
if (r != NULL) *r=realloc_func;
if (f != NULL) *f=free_func;
}
-char *CRYPTO_malloc(num)
-int num;
+void CRYPTO_get_locked_mem_functions(char *(**m)(), void (**f)())
+ {
+ if (m != NULL) *m=malloc_locked_func;
+ if (f != NULL) *f=free_locked_func;
+ }
+
+void *CRYPTO_malloc_locked(int num)
+ {
+ return(malloc_locked_func(num));
+ }
+
+void CRYPTO_free_locked(void *str)
+ {
+ free_locked_func(str);
+ }
+
+void *CRYPTO_malloc(int num)
{
return(malloc_func(num));
}
-char *CRYPTO_realloc(str,num)
-char *str;
-int num;
+void *CRYPTO_realloc(void *str, int num)
{
return(realloc_func(str,num));
}
-void CRYPTO_free(str)
-char *str;
+void CRYPTO_free(void *str)
{
free_func(str);
}
-char *CRYPTO_dbg_malloc(num,file,line)
-int num;
-char *file;
-int line;
+static unsigned long break_order_num=0;
+void *CRYPTO_dbg_malloc(int num, const char *file, int line)
{
char *ret;
MEM *m,*mm;
if ((ret=malloc_func(num)) == NULL)
return(NULL);
- if (mh_mode & CRYPTO_MEM_CHECK_ON)
+ if (mh_mode & CRYPTO_MEM_CHECK_ENABLE)
{
- if ((m=(MEM *)malloc(sizeof(MEM))) == NULL)
+ MemCheck_off();
+ if ((m=(MEM *)Malloc(sizeof(MEM))) == NULL)
{
- free(ret);
+ Free(ret);
+ MemCheck_on();
return(NULL);
}
CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
{
if ((mh=lh_new(mem_hash,mem_cmp)) == NULL)
{
- free(ret);
- free(m);
- return(NULL);
+ Free(ret);
+ Free(m);
+ ret=NULL;
+ goto err;
}
}
m->file=file;
m->line=line;
m->num=num;
+ if (order == break_order_num)
+ {
+ /* BREAK HERE */
+ m->order=order;
+ }
m->order=order++;
if ((mm=(MEM *)lh_insert(mh,(char *)m)) != NULL)
{
/* Not good, but don't sweat it */
- free(mm);
+ Free(mm);
}
+err:
CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
+ MemCheck_on();
}
return(ret);
}
-void CRYPTO_dbg_free(addr)
-char *addr;
+void CRYPTO_dbg_free(void *addr)
{
MEM m,*mp;
- if ((mh_mode & CRYPTO_MEM_CHECK_ON) && (mh != NULL))
+ if ((mh_mode & CRYPTO_MEM_CHECK_ENABLE) && (mh != NULL))
{
+ MemCheck_off();
CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
m.addr=addr;
mp=(MEM *)lh_delete(mh,(char *)&m);
if (mp != NULL)
- free(mp);
+ Free(mp);
CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
+ MemCheck_on();
}
free_func(addr);
}
-char *CRYPTO_dbg_realloc(addr,num,file,line)
-char *addr;
-int num;
-char *file;
-int line;
+void *CRYPTO_dbg_realloc(void *addr, int num, const char *file, int line)
{
char *ret;
MEM m,*mp;
ret=realloc_func(addr,num);
if (ret == addr) return(ret);
- if (mh_mode & CRYPTO_MEM_CHECK_ON)
+ if (mh_mode & CRYPTO_MEM_CHECK_ENABLE)
{
+ MemCheck_off();
if (ret == NULL) return(NULL);
m.addr=addr;
CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
lh_insert(mh,(char *)mp);
}
CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
+ MemCheck_on();
}
return(ret);
}
-char *CRYPTO_remalloc(a,n)
-char *a;
-int n;
+void *CRYPTO_remalloc(void *a, int n)
{
if (a != NULL) Free(a);
a=(char *)Malloc(n);
return(a);
}
-char *CRYPTO_dbg_remalloc(a,n,file,line)
-char *a;
-int n;
-char *file;
-int line;
+void *CRYPTO_dbg_remalloc(void *a, int n, const char *file, int line)
{
if (a != NULL) CRYPTO_dbg_free(a);
a=(char *)CRYPTO_dbg_malloc(n,file,line);
long bytes;
} MEM_LEAK;
-static void print_leak(m,l)
-MEM *m;
-MEM_LEAK *l;
+static void print_leak(MEM *m, MEM_LEAK *l)
{
char buf[128];
- sprintf(buf,"%5ld file=%s, line=%d, number=%d, address=%08lX\n",
- m->order,m->file,m->line,m->num,(long)m->addr);
+ if(m->addr == (char *)l->bio)
+ return;
+ sprintf(buf,"%5lu file=%s, line=%d, number=%d, address=%08lX\n",
+ m->order,m->file,m->line,m->num,(unsigned long)m->addr);
BIO_puts(l->bio,buf);
l->chunks++;
l->bytes+=m->num;
}
-void CRYPTO_mem_leaks(b)
-BIO *b;
+void CRYPTO_mem_leaks(BIO *b)
{
MEM_LEAK ml;
char buf[80];
ml.bytes,ml.chunks);
BIO_puts(b,buf);
}
- /*
+
+#if 0
lh_stats_bio(mh,b);
- lh_node_stats_bio(mh,b);
- lh_node_usage_stats_bio(mh,b);
- */
+ lh_node_stats_bio(mh,b);
+ lh_node_usage_stats_bio(mh,b);
+#endif
}
static void (*mem_cb)()=NULL;
-static void cb_leak(m,cb)
-MEM *m;
-char *cb;
+static void cb_leak(MEM *m, char *cb)
{
void (*mem_callback)()=(void (*)())cb;
mem_callback(m->order,m->file,m->line,m->num,m->addr);
}
-void CRYPTO_mem_leaks_cb(cb)
-void (*cb)();
+void CRYPTO_mem_leaks_cb(void (*cb)())
{
if (mh == NULL) return;
CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
}
#ifndef NO_FP_API
-void CRYPTO_mem_leaks_fp(fp)
-FILE *fp;
+void CRYPTO_mem_leaks_fp(FILE *fp)
{
BIO *b;