/* crypto/ex_data.c */
+
+/*
+ * This is not thread-safe, nor can it be changed to become thread-safe
+ * without changing various function prototypes and using a lot of locking.
+ * Luckily, it's not really used anywhere except in ssl_verify_cert_chain
+ * via SSL_get_ex_data_X509_STORE_CTX_idx (ssl/ssl_cert.c),
+ * where new_func, dup_func, and free_func all are 0, and in
+ * hwcrhk_init (crypto/engine/hw_ncipher.c), which is hopefully only
+ * ever used during program initialization.
+ *
+ * Any multi-threaded application crazy enough to use ex_data for its own
+ * purposes had better make sure that SSL_get_ex_data_X509_STORE_CTX_idx
+ * is called once before multiple threads are created.
+ */
+
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
#include <openssl/lhash.h>
#include "cryptlib.h"
-int CRYPTO_get_ex_new_index(int idx, STACK **skp, long argl, char *argp,
- int (*new_func)(), int (*dup_func)(), void (*free_func)())
+int CRYPTO_get_ex_new_index(int idx, STACK_OF(CRYPTO_EX_DATA_FUNCS) **skp, long argl, void *argp,
+ CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
{
int ret= -1;
CRYPTO_EX_DATA_FUNCS *a;
MemCheck_off();
if (*skp == NULL)
- *skp=sk_new_null();
+ *skp=sk_CRYPTO_EX_DATA_FUNCS_new_null();
if (*skp == NULL)
{
CRYPTOerr(CRYPTO_F_CRYPTO_GET_EX_NEW_INDEX,ERR_R_MALLOC_FAILURE);
goto err;
}
- a=(CRYPTO_EX_DATA_FUNCS *)Malloc(sizeof(CRYPTO_EX_DATA_FUNCS));
+ a=(CRYPTO_EX_DATA_FUNCS *)OPENSSL_malloc(sizeof(CRYPTO_EX_DATA_FUNCS));
if (a == NULL)
{
CRYPTOerr(CRYPTO_F_CRYPTO_GET_EX_NEW_INDEX,ERR_R_MALLOC_FAILURE);
a->new_func=new_func;
a->dup_func=dup_func;
a->free_func=free_func;
- while (sk_num(*skp) <= idx)
+ while (sk_CRYPTO_EX_DATA_FUNCS_num(*skp) <= idx)
{
- if (!sk_push(*skp,NULL))
+ if (!sk_CRYPTO_EX_DATA_FUNCS_push(*skp,NULL))
{
CRYPTOerr(CRYPTO_F_CRYPTO_GET_EX_NEW_INDEX,ERR_R_MALLOC_FAILURE);
- Free(a);
+ OPENSSL_free(a);
goto err;
}
}
- sk_set(*skp,idx, (char *)a);
+ sk_CRYPTO_EX_DATA_FUNCS_set(*skp,idx, a);
ret=idx;
err:
MemCheck_on();
- return(idx);
+ return(ret);
}
-int CRYPTO_set_ex_data(CRYPTO_EX_DATA *ad, int idx, char *val)
+int CRYPTO_set_ex_data(CRYPTO_EX_DATA *ad, int idx, void *val)
{
int i;
return(1);
}
-char *CRYPTO_get_ex_data(CRYPTO_EX_DATA *ad, int idx)
+void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx)
{
if (ad->sk == NULL)
return(0);
return(sk_value(ad->sk,idx));
}
-/* The callback is called with the 'object', which is the origional data object
+/* The callback is called with the 'object', which is the original data object
* being duplicated, a pointer to the
* 'new' object to be inserted, the index, and the argi/argp
*/
-int CRYPTO_dup_ex_data(STACK *meth, CRYPTO_EX_DATA *to,
+int CRYPTO_dup_ex_data(STACK_OF(CRYPTO_EX_DATA_FUNCS) *meth, CRYPTO_EX_DATA *to,
CRYPTO_EX_DATA *from)
{
int i,j,m,r;
if (meth == NULL) return(1);
if (from->sk == NULL) return(1);
- m=sk_num(meth);
+ m=sk_CRYPTO_EX_DATA_FUNCS_num(meth);
j=sk_num(from->sk);
for (i=0; i<j; i++)
{
from_d=CRYPTO_get_ex_data(from,i);
if (i < m)
{
- mm=(CRYPTO_EX_DATA_FUNCS *)sk_value(meth,i);
+ mm=sk_CRYPTO_EX_DATA_FUNCS_value(meth,i);
if (mm->dup_func != NULL)
r=mm->dup_func(to,from,(char **)&from_d,i,
mm->argl,mm->argp);
}
/* Call each free callback */
-void CRYPTO_free_ex_data(STACK *meth, char *obj, CRYPTO_EX_DATA *ad)
+void CRYPTO_free_ex_data(STACK_OF(CRYPTO_EX_DATA_FUNCS) *meth, void *obj, CRYPTO_EX_DATA *ad)
{
CRYPTO_EX_DATA_FUNCS *m;
- char *ptr;
+ void *ptr;
int i,max;
if (meth != NULL)
{
- max=sk_num(meth);
+ max=sk_CRYPTO_EX_DATA_FUNCS_num(meth);
for (i=0; i<max; i++)
{
- m=(CRYPTO_EX_DATA_FUNCS *)sk_value(meth,i);
+ m=sk_CRYPTO_EX_DATA_FUNCS_value(meth,i);
if ((m != NULL) && (m->free_func != NULL))
{
ptr=CRYPTO_get_ex_data(ad,i);
}
}
-void CRYPTO_new_ex_data(STACK *meth, char *obj, CRYPTO_EX_DATA *ad)
+void CRYPTO_new_ex_data(STACK_OF(CRYPTO_EX_DATA_FUNCS) *meth, void *obj, CRYPTO_EX_DATA *ad)
{
CRYPTO_EX_DATA_FUNCS *m;
- char *ptr;
+ void *ptr;
int i,max;
ad->sk=NULL;
if (meth != NULL)
{
- max=sk_num(meth);
+ max=sk_CRYPTO_EX_DATA_FUNCS_num(meth);
for (i=0; i<max; i++)
{
- m=(CRYPTO_EX_DATA_FUNCS *)sk_value(meth,i);
+ m=sk_CRYPTO_EX_DATA_FUNCS_value(meth,i);
if ((m != NULL) && (m->new_func != NULL))
{
ptr=CRYPTO_get_ex_data(ad,i);
}
}
-
+IMPLEMENT_STACK_OF(CRYPTO_EX_DATA_FUNCS)