* 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:
* 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
+ * 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
* 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
* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * 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
*
*/
-#include <stdio.h>
-#include <stdlib.h>
-#include <openssl/buffer.h>
-#include <openssl/bio.h>
-#include <openssl/lhash.h>
#include "cryptlib.h"
+#include <openssl/lhash.h>
/* What an "implementation of ex_data functionality" looks like */
-struct st_CRYPTO_EX_DATA_IMPL
- {
- /*********************/
- /* GLOBAL OPERATIONS */
- /* Return a new class index */
- int (*cb_new_class)(void);
- /* Cleanup all state used by the implementation */
- void (*cb_cleanup)(void);
- /************************/
- /* PER-CLASS OPERATIONS */
- /* Get a new method index within a class */
- int (*cb_get_new_index)(int class_index, long argl, void *argp,
- CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
- CRYPTO_EX_free *free_func);
- /* Initialise a new CRYPTO_EX_DATA of a given class */
- int (*cb_new_ex_data)(int class_index, void *obj,
- CRYPTO_EX_DATA *ad);
- /* Duplicate a CRYPTO_EX_DATA of a given class onto a copy */
- int (*cb_dup_ex_data)(int class_index, CRYPTO_EX_DATA *to,
- CRYPTO_EX_DATA *from);
- /* Cleanup a CRYPTO_EX_DATA of a given class */
- void (*cb_free_ex_data)(int class_index, void *obj,
- CRYPTO_EX_DATA *ad);
- };
+struct st_CRYPTO_EX_DATA_IMPL {
+ /*********************/
+ /* GLOBAL OPERATIONS */
+ /* Return a new class index */
+ int (*cb_new_class) (void);
+ /* Cleanup all state used by the implementation */
+ void (*cb_cleanup) (void);
+ /************************/
+ /* PER-CLASS OPERATIONS */
+ /* Get a new method index within a class */
+ int (*cb_get_new_index) (int class_index, long argl, void *argp,
+ CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
+ CRYPTO_EX_free *free_func);
+ /* Initialise a new CRYPTO_EX_DATA of a given class */
+ int (*cb_new_ex_data) (int class_index, void *obj, CRYPTO_EX_DATA *ad);
+ /* Duplicate a CRYPTO_EX_DATA of a given class onto a copy */
+ int (*cb_dup_ex_data) (int class_index, CRYPTO_EX_DATA *to,
+ CRYPTO_EX_DATA *from);
+ /* Cleanup a CRYPTO_EX_DATA of a given class */
+ void (*cb_free_ex_data) (int class_index, void *obj, CRYPTO_EX_DATA *ad);
+};
/* The implementation we use at run-time */
static const CRYPTO_EX_DATA_IMPL *impl = NULL;
-/* To call "impl" functions, use this macro rather than referring to 'impl' directly, eg.
- * EX_IMPL(get_new_index)(...); */
+/*
+ * To call "impl" functions, use this macro rather than referring to 'impl'
+ * directly, eg. EX_IMPL(get_new_index)(...);
+ */
#define EX_IMPL(a) impl->cb_##a
/* Predeclare the "default" ex_data implementation */
static int int_new_class(void);
static void int_cleanup(void);
static int int_get_new_index(int class_index, long argl, void *argp,
- CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
- CRYPTO_EX_free *free_func);
-static int int_new_ex_data(int class_index, void *obj,
- CRYPTO_EX_DATA *ad);
+ CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
+ CRYPTO_EX_free *free_func);
+static int int_new_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
static int int_dup_ex_data(int class_index, CRYPTO_EX_DATA *to,
- CRYPTO_EX_DATA *from);
-static void int_free_ex_data(int class_index, void *obj,
- CRYPTO_EX_DATA *ad);
-static CRYPTO_EX_DATA_IMPL impl_default =
- {
- int_new_class,
- int_cleanup,
- int_get_new_index,
- int_new_ex_data,
- int_dup_ex_data,
- int_free_ex_data
- };
-
-/* Internal function that checks whether "impl" is set and if not, sets it to
- * the default. */
+ CRYPTO_EX_DATA *from);
+static void int_free_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
+static CRYPTO_EX_DATA_IMPL impl_default = {
+ int_new_class,
+ int_cleanup,
+ int_get_new_index,
+ int_new_ex_data,
+ int_dup_ex_data,
+ int_free_ex_data
+};
+
+/*
+ * Internal function that checks whether "impl" is set and if not, sets it to
+ * the default.
+ */
static void impl_check(void)
- {
- CRYPTO_w_lock(CRYPTO_LOCK_EX_DATA);
- if(!impl)
- impl = &impl_default;
- CRYPTO_w_unlock(CRYPTO_LOCK_EX_DATA);
- }
-/* A macro wrapper for impl_check that first uses a non-locked test before
- * invoking the function (which checks again inside a lock). */
+{
+ CRYPTO_w_lock(CRYPTO_LOCK_EX_DATA);
+ if (!impl)
+ impl = &impl_default;
+ CRYPTO_w_unlock(CRYPTO_LOCK_EX_DATA);
+}
+
+/*
+ * A macro wrapper for impl_check that first uses a non-locked test before
+ * invoking the function (which checks again inside a lock).
+ */
#define IMPL_CHECK if(!impl) impl_check();
/* API functions to get/set the "ex_data" implementation */
const CRYPTO_EX_DATA_IMPL *CRYPTO_get_ex_data_implementation(void)
- {
- IMPL_CHECK
- return impl;
- }
+{
+ IMPL_CHECK return impl;
+}
+
int CRYPTO_set_ex_data_implementation(const CRYPTO_EX_DATA_IMPL *i)
- {
- int toret = 0;
- CRYPTO_w_lock(CRYPTO_LOCK_EX_DATA);
- if(!impl)
- {
- impl = i;
- toret = 1;
- }
- CRYPTO_w_unlock(CRYPTO_LOCK_EX_DATA);
- return toret;
- }
+{
+ int toret = 0;
+ CRYPTO_w_lock(CRYPTO_LOCK_EX_DATA);
+ if (!impl) {
+ impl = i;
+ toret = 1;
+ }
+ CRYPTO_w_unlock(CRYPTO_LOCK_EX_DATA);
+ return toret;
+}
/****************************************************************************/
-/* Interal (default) implementation of "ex_data" support. API functions are
- * further down. */
+/*
+ * Interal (default) implementation of "ex_data" support. API functions are
+ * further down.
+ */
-/* The type that represents what each "class" used to implement locally. A STACK
- * of CRYPTO_EX_DATA_FUNCS plus a index-counter. The 'class_index' is the global
- * value representing the class that is used to distinguish these items. */
+/*
+ * The type that represents what each "class" used to implement locally. A
+ * STACK of CRYPTO_EX_DATA_FUNCS plus a index-counter. The 'class_index' is
+ * the global value representing the class that is used to distinguish these
+ * items.
+ */
typedef struct st_ex_class_item {
- int class_index;
- STACK_OF(CRYPTO_EX_DATA_FUNCS) *meth;
- int meth_num;
+ int class_index;
+ STACK_OF(CRYPTO_EX_DATA_FUNCS) *meth;
+ int meth_num;
} EX_CLASS_ITEM;
/* When assigning new class indexes, this is our counter */
static int ex_class = CRYPTO_EX_INDEX_USER;
/* The global hash table of EX_CLASS_ITEM items */
-static LHASH *ex_data = NULL;
+DECLARE_LHASH_OF(EX_CLASS_ITEM);
+static LHASH_OF(EX_CLASS_ITEM) *ex_data = NULL;
/* The callbacks required in the "ex_data" hash table */
-static unsigned long ex_hash_cb(const void *a_void)
- {
- return ((const EX_CLASS_ITEM *)a_void)->class_index;
- }
-static int ex_cmp_cb(const void *a_void, const void *b_void)
- {
- return (((const EX_CLASS_ITEM *)a_void)->class_index -
- ((const EX_CLASS_ITEM *)b_void)->class_index);
- }
-
-/* Internal functions used by the "impl_default" implementation to access the
- * state */
+static unsigned long ex_class_item_hash(const EX_CLASS_ITEM *a)
+{
+ return a->class_index;
+}
+
+static IMPLEMENT_LHASH_HASH_FN(ex_class_item, EX_CLASS_ITEM)
+
+static int ex_class_item_cmp(const EX_CLASS_ITEM *a, const EX_CLASS_ITEM *b)
+{
+ return a->class_index - b->class_index;
+}
+static IMPLEMENT_LHASH_COMP_FN(ex_class_item, EX_CLASS_ITEM)
+
+/*
+ * Internal functions used by the "impl_default" implementation to access the
+ * state
+ */
static int ex_data_check(void)
- {
- int toret = 1;
- CRYPTO_w_lock(CRYPTO_LOCK_EX_DATA);
- if(!ex_data && ((ex_data = lh_new(ex_hash_cb, ex_cmp_cb)) == NULL))
- toret = 0;
- CRYPTO_w_unlock(CRYPTO_LOCK_EX_DATA);
- return toret;
- }
-/* This macros helps reduce the locking from repeated checks because the
- * ex_data_check() function checks ex_data again inside a lock. */
+{
+ int toret = 1;
+ CRYPTO_w_lock(CRYPTO_LOCK_EX_DATA);
+ if (!ex_data && (ex_data = lh_EX_CLASS_ITEM_new()) == NULL)
+ toret = 0;
+ CRYPTO_w_unlock(CRYPTO_LOCK_EX_DATA);
+ return toret;
+}
+
+/*
+ * This macros helps reduce the locking from repeated checks because the
+ * ex_data_check() function checks ex_data again inside a lock.
+ */
#define EX_DATA_CHECK(iffail) if(!ex_data && !ex_data_check()) {iffail}
/* This "inner" callback is used by the callback function that follows it */
static void def_cleanup_util_cb(CRYPTO_EX_DATA_FUNCS *funcs)
- {
- OPENSSL_free(funcs);
- }
-
-/* This callback is used in lh_doall to destroy all EX_CLASS_ITEM values from
- * "ex_data" prior to the ex_data hash table being itself destroyed. Doesn't do
- * any locking. */
-static void def_cleanup_cb(const void *a_void)
- {
- EX_CLASS_ITEM *item = (EX_CLASS_ITEM *)a_void;
- sk_CRYPTO_EX_DATA_FUNCS_pop_free(item->meth, def_cleanup_util_cb);
- OPENSSL_free(item);
- }
-
-/* Return the EX_CLASS_ITEM from the "ex_data" hash table that corresponds to a
- * given class. Handles locking. */
+{
+ OPENSSL_free(funcs);
+}
+
+/*
+ * This callback is used in lh_doall to destroy all EX_CLASS_ITEM values from
+ * "ex_data" prior to the ex_data hash table being itself destroyed. Doesn't
+ * do any locking.
+ */
+static void def_cleanup_cb(void *a_void)
+{
+ EX_CLASS_ITEM *item = (EX_CLASS_ITEM *)a_void;
+ sk_CRYPTO_EX_DATA_FUNCS_pop_free(item->meth, def_cleanup_util_cb);
+ OPENSSL_free(item);
+}
+
+/*
+ * Return the EX_CLASS_ITEM from the "ex_data" hash table that corresponds to
+ * a given class. Handles locking.
+ */
static EX_CLASS_ITEM *def_get_class(int class_index)
- {
- EX_CLASS_ITEM d, *p, *gen;
- EX_DATA_CHECK(return NULL;)
- d.class_index = class_index;
- CRYPTO_w_lock(CRYPTO_LOCK_EX_DATA);
- p = lh_retrieve(ex_data, &d);
- if(!p)
- {
- gen = OPENSSL_malloc(sizeof(EX_CLASS_ITEM));
- if(gen)
- {
- gen->class_index = class_index;
- gen->meth_num = 0;
- gen->meth = sk_CRYPTO_EX_DATA_FUNCS_new_null();
- if(!gen->meth)
- OPENSSL_free(gen);
- else
- {
- /* Because we're inside the ex_data lock, the
- * return value from the insert will be NULL */
- lh_insert(ex_data, gen);
- p = gen;
- }
- }
- }
- CRYPTO_w_unlock(CRYPTO_LOCK_EX_DATA);
- if(!p)
- CRYPTOerr(CRYPTO_F_DEF_GET_CLASS,ERR_R_MALLOC_FAILURE);
- return p;
- }
-
-/* Add a new method to the given EX_CLASS_ITEM and return the corresponding
- * index (or -1 for error). Handles locking. */
+{
+ EX_CLASS_ITEM d, *p, *gen;
+ EX_DATA_CHECK(return NULL;)
+ d.class_index = class_index;
+ CRYPTO_w_lock(CRYPTO_LOCK_EX_DATA);
+ p = lh_EX_CLASS_ITEM_retrieve(ex_data, &d);
+ if (!p) {
+ gen = OPENSSL_malloc(sizeof(EX_CLASS_ITEM));
+ if (gen) {
+ gen->class_index = class_index;
+ gen->meth_num = 0;
+ gen->meth = sk_CRYPTO_EX_DATA_FUNCS_new_null();
+ if (!gen->meth)
+ OPENSSL_free(gen);
+ else {
+ /*
+ * Because we're inside the ex_data lock, the return value
+ * from the insert will be NULL
+ */
+ (void)lh_EX_CLASS_ITEM_insert(ex_data, gen);
+ p = gen;
+ }
+ }
+ }
+ CRYPTO_w_unlock(CRYPTO_LOCK_EX_DATA);
+ if (!p)
+ CRYPTOerr(CRYPTO_F_DEF_GET_CLASS, ERR_R_MALLOC_FAILURE);
+ return p;
+}
+
+/*
+ * Add a new method to the given EX_CLASS_ITEM and return the corresponding
+ * index (or -1 for error). Handles locking.
+ */
static int def_add_index(EX_CLASS_ITEM *item, long argl, void *argp,
- CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
- CRYPTO_EX_free *free_func)
- {
- int toret = -1;
- CRYPTO_EX_DATA_FUNCS *a = (CRYPTO_EX_DATA_FUNCS *)OPENSSL_malloc(
- sizeof(CRYPTO_EX_DATA_FUNCS));
- if(!a)
- {
- CRYPTOerr(CRYPTO_F_DEF_ADD_INDEX,ERR_R_MALLOC_FAILURE);
- return -1;
- }
- a->argl=argl;
- a->argp=argp;
- a->new_func=new_func;
- a->dup_func=dup_func;
- a->free_func=free_func;
- CRYPTO_w_lock(CRYPTO_LOCK_EX_DATA);
- while (sk_CRYPTO_EX_DATA_FUNCS_num(item->meth) <= item->meth_num)
- {
- if (!sk_CRYPTO_EX_DATA_FUNCS_push(item->meth, NULL))
- {
- CRYPTOerr(CRYPTO_F_DEF_ADD_INDEX,ERR_R_MALLOC_FAILURE);
- OPENSSL_free(a);
- goto err;
- }
- }
- toret = item->meth_num++;
- sk_CRYPTO_EX_DATA_FUNCS_set(item->meth, toret, a);
-err:
- CRYPTO_w_unlock(CRYPTO_LOCK_EX_DATA);
- return toret;
- }
+ CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
+ CRYPTO_EX_free *free_func)
+{
+ int toret = -1;
+ CRYPTO_EX_DATA_FUNCS *a =
+ (CRYPTO_EX_DATA_FUNCS *)OPENSSL_malloc(sizeof(CRYPTO_EX_DATA_FUNCS));
+ if (!a) {
+ CRYPTOerr(CRYPTO_F_DEF_ADD_INDEX, ERR_R_MALLOC_FAILURE);
+ return -1;
+ }
+ a->argl = argl;
+ a->argp = argp;
+ a->new_func = new_func;
+ a->dup_func = dup_func;
+ a->free_func = free_func;
+ CRYPTO_w_lock(CRYPTO_LOCK_EX_DATA);
+ while (sk_CRYPTO_EX_DATA_FUNCS_num(item->meth) <= item->meth_num) {
+ if (!sk_CRYPTO_EX_DATA_FUNCS_push(item->meth, NULL)) {
+ CRYPTOerr(CRYPTO_F_DEF_ADD_INDEX, ERR_R_MALLOC_FAILURE);
+ OPENSSL_free(a);
+ goto err;
+ }
+ }
+ toret = item->meth_num++;
+ (void)sk_CRYPTO_EX_DATA_FUNCS_set(item->meth, toret, a);
+ err:
+ CRYPTO_w_unlock(CRYPTO_LOCK_EX_DATA);
+ return toret;
+}
/**************************************************************/
/* The functions in the default CRYPTO_EX_DATA_IMPL structure */
static int int_new_class(void)
- {
- int toret;
- CRYPTO_w_lock(CRYPTO_LOCK_EX_DATA);
- toret = ex_class++;
- CRYPTO_w_unlock(CRYPTO_LOCK_EX_DATA);
- return toret;
- }
+{
+ int toret;
+ CRYPTO_w_lock(CRYPTO_LOCK_EX_DATA);
+ toret = ex_class++;
+ CRYPTO_w_unlock(CRYPTO_LOCK_EX_DATA);
+ return toret;
+}
static void int_cleanup(void)
- {
- EX_DATA_CHECK(return;)
- lh_doall(ex_data, def_cleanup_cb);
- lh_free(ex_data);
- ex_data = NULL;
- impl = NULL;
- }
+{
+ EX_DATA_CHECK(return;)
+ lh_EX_CLASS_ITEM_doall(ex_data, def_cleanup_cb);
+ lh_EX_CLASS_ITEM_free(ex_data);
+ ex_data = NULL;
+ impl = NULL;
+}
static int int_get_new_index(int class_index, long argl, void *argp,
- CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
- CRYPTO_EX_free *free_func)
- {
- EX_CLASS_ITEM *item = def_get_class(class_index);
- if(!item)
- return -1;
- return def_add_index(item, argl, argp, new_func, dup_func, free_func);
- }
-
-/* Thread-safe by copying a class's array of "CRYPTO_EX_DATA_FUNCS" entries in
- * the lock, then using them outside the lock. NB: Thread-safety only applies to
- * the global "ex_data" state (ie. class definitions), not thread-safe on 'ad'
- * itself. */
-static int int_new_ex_data(int class_index, void *obj,
- CRYPTO_EX_DATA *ad)
- {
- int mx,i;
- void *ptr;
- CRYPTO_EX_DATA_FUNCS **storage = NULL;
- EX_CLASS_ITEM *item = def_get_class(class_index);
- if(!item)
- /* error is already set */
- return 0;
- ad->sk = NULL;
- CRYPTO_r_lock(CRYPTO_LOCK_EX_DATA);
- mx = sk_CRYPTO_EX_DATA_FUNCS_num(item->meth);
- if(mx > 0)
- {
- storage = OPENSSL_malloc(mx * sizeof(CRYPTO_EX_DATA_FUNCS*));
- if(!storage)
- goto skip;
- for(i = 0; i < mx; i++)
- storage[i] = sk_CRYPTO_EX_DATA_FUNCS_value(item->meth,i);
- }
-skip:
- CRYPTO_r_unlock(CRYPTO_LOCK_EX_DATA);
- if((mx > 0) && !storage)
- {
- CRYPTOerr(CRYPTO_F_INT_NEW_EX_DATA,ERR_R_MALLOC_FAILURE);
- return 0;
- }
- for(i = 0; i < mx; i++)
- {
- if(storage[i] && storage[i]->new_func)
- {
- ptr = CRYPTO_get_ex_data(ad, i);
- storage[i]->new_func(obj,ptr,ad,i,
- storage[i]->argl,storage[i]->argp);
- }
- }
- if(storage)
- OPENSSL_free(storage);
- return 1;
- }
+ CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
+ CRYPTO_EX_free *free_func)
+{
+ EX_CLASS_ITEM *item = def_get_class(class_index);
+ if (!item)
+ return -1;
+ return def_add_index(item, argl, argp, new_func, dup_func, free_func);
+}
+
+/*
+ * Thread-safe by copying a class's array of "CRYPTO_EX_DATA_FUNCS" entries
+ * in the lock, then using them outside the lock. NB: Thread-safety only
+ * applies to the global "ex_data" state (ie. class definitions), not
+ * thread-safe on 'ad' itself.
+ */
+static int int_new_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad)
+{
+ int mx, i;
+ void *ptr;
+ CRYPTO_EX_DATA_FUNCS **storage = NULL;
+ EX_CLASS_ITEM *item = def_get_class(class_index);
+ if (!item)
+ /* error is already set */
+ return 0;
+ ad->sk = NULL;
+ CRYPTO_r_lock(CRYPTO_LOCK_EX_DATA);
+ mx = sk_CRYPTO_EX_DATA_FUNCS_num(item->meth);
+ if (mx > 0) {
+ storage = OPENSSL_malloc(mx * sizeof(CRYPTO_EX_DATA_FUNCS *));
+ if (!storage)
+ goto skip;
+ for (i = 0; i < mx; i++)
+ storage[i] = sk_CRYPTO_EX_DATA_FUNCS_value(item->meth, i);
+ }
+ skip:
+ CRYPTO_r_unlock(CRYPTO_LOCK_EX_DATA);
+ if ((mx > 0) && !storage) {
+ CRYPTOerr(CRYPTO_F_INT_NEW_EX_DATA, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ for (i = 0; i < mx; i++) {
+ if (storage[i] && storage[i]->new_func) {
+ ptr = CRYPTO_get_ex_data(ad, i);
+ storage[i]->new_func(obj, ptr, ad, i,
+ storage[i]->argl, storage[i]->argp);
+ }
+ }
+ if (storage)
+ OPENSSL_free(storage);
+ return 1;
+}
/* Same thread-safety notes as for "int_new_ex_data" */
static int int_dup_ex_data(int class_index, CRYPTO_EX_DATA *to,
- CRYPTO_EX_DATA *from)
- {
- int mx, j, i;
- char *ptr;
- CRYPTO_EX_DATA_FUNCS **storage = NULL;
- EX_CLASS_ITEM *item;
- if(!from->sk)
- /* 'to' should be "blank" which *is* just like 'from' */
- return 1;
- if((item = def_get_class(class_index)) == NULL)
- return 0;
- CRYPTO_r_lock(CRYPTO_LOCK_EX_DATA);
- mx = sk_CRYPTO_EX_DATA_FUNCS_num(item->meth);
- j = sk_num(from->sk);
- if(j < mx)
- mx = j;
- if(mx > 0)
- {
- storage = OPENSSL_malloc(mx * sizeof(CRYPTO_EX_DATA_FUNCS*));
- if(!storage)
- goto skip;
- for(i = 0; i < mx; i++)
- storage[i] = sk_CRYPTO_EX_DATA_FUNCS_value(item->meth,i);
- }
-skip:
- CRYPTO_r_unlock(CRYPTO_LOCK_EX_DATA);
- if((mx > 0) && !storage)
- {
- CRYPTOerr(CRYPTO_F_INT_DUP_EX_DATA,ERR_R_MALLOC_FAILURE);
- return 0;
- }
- for(i = 0; i < mx; i++)
- {
- ptr = CRYPTO_get_ex_data(from, i);
- if(storage[i] && storage[i]->dup_func)
- storage[i]->dup_func(to,from,&ptr,i,
- storage[i]->argl,storage[i]->argp);
- CRYPTO_set_ex_data(to,i,ptr);
- }
- if(storage)
- OPENSSL_free(storage);
- return 1;
- }
+ CRYPTO_EX_DATA *from)
+{
+ int mx, j, i;
+ char *ptr;
+ CRYPTO_EX_DATA_FUNCS **storage = NULL;
+ EX_CLASS_ITEM *item;
+ if (!from->sk)
+ /* 'to' should be "blank" which *is* just like 'from' */
+ return 1;
+ if ((item = def_get_class(class_index)) == NULL)
+ return 0;
+ CRYPTO_r_lock(CRYPTO_LOCK_EX_DATA);
+ mx = sk_CRYPTO_EX_DATA_FUNCS_num(item->meth);
+ j = sk_void_num(from->sk);
+ if (j < mx)
+ mx = j;
+ if (mx > 0) {
+ storage = OPENSSL_malloc(mx * sizeof(CRYPTO_EX_DATA_FUNCS *));
+ if (!storage)
+ goto skip;
+ for (i = 0; i < mx; i++)
+ storage[i] = sk_CRYPTO_EX_DATA_FUNCS_value(item->meth, i);
+ }
+ skip:
+ CRYPTO_r_unlock(CRYPTO_LOCK_EX_DATA);
+ if ((mx > 0) && !storage) {
+ CRYPTOerr(CRYPTO_F_INT_DUP_EX_DATA, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ for (i = 0; i < mx; i++) {
+ ptr = CRYPTO_get_ex_data(from, i);
+ if (storage[i] && storage[i]->dup_func)
+ storage[i]->dup_func(to, from, &ptr, i,
+ storage[i]->argl, storage[i]->argp);
+ CRYPTO_set_ex_data(to, i, ptr);
+ }
+ if (storage)
+ OPENSSL_free(storage);
+ return 1;
+}
/* Same thread-safety notes as for "int_new_ex_data" */
-static void int_free_ex_data(int class_index, void *obj,
- CRYPTO_EX_DATA *ad)
- {
- int mx,i;
- EX_CLASS_ITEM *item;
- void *ptr;
- CRYPTO_EX_DATA_FUNCS **storage = NULL;
- if((item = def_get_class(class_index)) == NULL)
- return;
- CRYPTO_r_lock(CRYPTO_LOCK_EX_DATA);
- mx = sk_CRYPTO_EX_DATA_FUNCS_num(item->meth);
- if(mx > 0)
- {
- storage = OPENSSL_malloc(mx * sizeof(CRYPTO_EX_DATA_FUNCS*));
- if(!storage)
- goto skip;
- for(i = 0; i < mx; i++)
- storage[i] = sk_CRYPTO_EX_DATA_FUNCS_value(item->meth,i);
- }
-skip:
- CRYPTO_r_unlock(CRYPTO_LOCK_EX_DATA);
- if((mx > 0) && !storage)
- {
- CRYPTOerr(CRYPTO_F_INT_FREE_EX_DATA,ERR_R_MALLOC_FAILURE);
- return;
- }
- for(i = 0; i < mx; i++)
- {
- if(storage[i] && storage[i]->free_func)
- {
- ptr = CRYPTO_get_ex_data(ad,i);
- storage[i]->free_func(obj,ptr,ad,i,
- storage[i]->argl,storage[i]->argp);
- }
- }
- if(storage)
- OPENSSL_free(storage);
- if(ad->sk)
- {
- sk_free(ad->sk);
- ad->sk=NULL;
- }
- }
+static void int_free_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad)
+{
+ int mx, i;
+ EX_CLASS_ITEM *item;
+ void *ptr;
+ CRYPTO_EX_DATA_FUNCS **storage = NULL;
+ if (ex_data == NULL)
+ return;
+ if ((item = def_get_class(class_index)) == NULL)
+ return;
+ CRYPTO_r_lock(CRYPTO_LOCK_EX_DATA);
+ mx = sk_CRYPTO_EX_DATA_FUNCS_num(item->meth);
+ if (mx > 0) {
+ storage = OPENSSL_malloc(mx * sizeof(CRYPTO_EX_DATA_FUNCS *));
+ if (!storage)
+ goto skip;
+ for (i = 0; i < mx; i++)
+ storage[i] = sk_CRYPTO_EX_DATA_FUNCS_value(item->meth, i);
+ }
+ skip:
+ CRYPTO_r_unlock(CRYPTO_LOCK_EX_DATA);
+ if ((mx > 0) && !storage) {
+ CRYPTOerr(CRYPTO_F_INT_FREE_EX_DATA, ERR_R_MALLOC_FAILURE);
+ return;
+ }
+ for (i = 0; i < mx; i++) {
+ if (storage[i] && storage[i]->free_func) {
+ ptr = CRYPTO_get_ex_data(ad, i);
+ if (ptr)
+ storage[i]->free_func(obj, ptr, ad, i,
+ storage[i]->argl, storage[i]->argp);
+ }
+ }
+ if (storage)
+ OPENSSL_free(storage);
+ if (ad->sk) {
+ sk_void_free(ad->sk);
+ ad->sk = NULL;
+ }
+}
/********************************************************************/
-/* API functions that defer all "state" operations to the "ex_data"
- * implementation we have set. */
+/*
+ * API functions that defer all "state" operations to the "ex_data"
+ * implementation we have set.
+ */
-/* Obtain an index for a new class (not the same as getting a new index within
- * an existing class - this is actually getting a new *class*) */
+/*
+ * Obtain an index for a new class (not the same as getting a new index
+ * within an existing class - this is actually getting a new *class*)
+ */
int CRYPTO_ex_data_new_class(void)
- {
- IMPL_CHECK
- return EX_IMPL(new_class)();
- }
+{
+ IMPL_CHECK return EX_IMPL(new_class) ();
+}
-/* Release all "ex_data" state to prevent memory leaks. This can't be made
+/*
+ * Release all "ex_data" state to prevent memory leaks. This can't be made
* thread-safe without overhauling a lot of stuff, and shouldn't really be
* called under potential race-conditions anyway (it's for program shutdown
- * after all). */
+ * after all).
+ */
void CRYPTO_cleanup_all_ex_data(void)
- {
- IMPL_CHECK
- EX_IMPL(cleanup)();
- }
+{
+ IMPL_CHECK EX_IMPL(cleanup) ();
+}
/* Inside an existing class, get/register a new index. */
int CRYPTO_get_ex_new_index(int class_index, long argl, void *argp,
- CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
- CRYPTO_EX_free *free_func)
- {
- int ret = -1;
-
- IMPL_CHECK
- ret = EX_IMPL(get_new_index)(class_index,
- argl, argp, new_func, dup_func, free_func);
- return ret;
- }
-
-/* Initialise a new CRYPTO_EX_DATA for use in a particular class - including
- * calling new() callbacks for each index in the class used by this variable */
+ CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
+ CRYPTO_EX_free *free_func)
+{
+ int ret = -1;
+
+ IMPL_CHECK
+ ret = EX_IMPL(get_new_index) (class_index,
+ argl, argp, new_func, dup_func,
+ free_func);
+ return ret;
+}
+
+/*
+ * Initialise a new CRYPTO_EX_DATA for use in a particular class - including
+ * calling new() callbacks for each index in the class used by this variable
+ */
int CRYPTO_new_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad)
- {
- IMPL_CHECK
- return EX_IMPL(new_ex_data)(class_index, obj, ad);
- }
+{
+ IMPL_CHECK return EX_IMPL(new_ex_data) (class_index, obj, ad);
+}
-/* Duplicate a CRYPTO_EX_DATA variable - including calling dup() callbacks for
- * each index in the class used by this variable */
+/*
+ * Duplicate a CRYPTO_EX_DATA variable - including calling dup() callbacks
+ * for each index in the class used by this variable
+ */
int CRYPTO_dup_ex_data(int class_index, CRYPTO_EX_DATA *to,
- CRYPTO_EX_DATA *from)
- {
- IMPL_CHECK
- return EX_IMPL(dup_ex_data)(class_index, to, from);
- }
-
-/* Cleanup a CRYPTO_EX_DATA variable - including calling free() callbacks for
- * each index in the class used by this variable */
+ CRYPTO_EX_DATA *from)
+{
+ IMPL_CHECK return EX_IMPL(dup_ex_data) (class_index, to, from);
+}
+
+/*
+ * Cleanup a CRYPTO_EX_DATA variable - including calling free() callbacks for
+ * each index in the class used by this variable
+ */
void CRYPTO_free_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad)
- {
- IMPL_CHECK
- EX_IMPL(free_ex_data)(class_index, obj, ad);
- }
+{
+ IMPL_CHECK EX_IMPL(free_ex_data) (class_index, obj, ad);
+}
-/* For a given CRYPTO_EX_DATA variable, set the value corresponding to a
- * particular index in the class used by this variable */
+/*
+ * For a given CRYPTO_EX_DATA variable, set the value corresponding to a
+ * particular index in the class used by this variable
+ */
int CRYPTO_set_ex_data(CRYPTO_EX_DATA *ad, int idx, void *val)
- {
- int i;
-
- if (ad->sk == NULL)
- {
- if ((ad->sk=sk_new_null()) == NULL)
- {
- CRYPTOerr(CRYPTO_F_CRYPTO_SET_EX_DATA,ERR_R_MALLOC_FAILURE);
- return(0);
- }
- }
- i=sk_num(ad->sk);
-
- while (i <= idx)
- {
- if (!sk_push(ad->sk,NULL))
- {
- CRYPTOerr(CRYPTO_F_CRYPTO_SET_EX_DATA,ERR_R_MALLOC_FAILURE);
- return(0);
- }
- i++;
- }
- sk_set(ad->sk,idx,val);
- return(1);
- }
-
-/* For a given CRYPTO_EX_DATA_ variable, get the value corresponding to a
- * particular index in the class used by this variable */
+{
+ int i;
+
+ if (ad->sk == NULL) {
+ if ((ad->sk = sk_void_new_null()) == NULL) {
+ CRYPTOerr(CRYPTO_F_CRYPTO_SET_EX_DATA, ERR_R_MALLOC_FAILURE);
+ return (0);
+ }
+ }
+ i = sk_void_num(ad->sk);
+
+ while (i <= idx) {
+ if (!sk_void_push(ad->sk, NULL)) {
+ CRYPTOerr(CRYPTO_F_CRYPTO_SET_EX_DATA, ERR_R_MALLOC_FAILURE);
+ return (0);
+ }
+ i++;
+ }
+ sk_void_set(ad->sk, idx, val);
+ return (1);
+}
+
+/*
+ * For a given CRYPTO_EX_DATA_ variable, get the value corresponding to a
+ * particular index in the class used by this variable
+ */
void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx)
- {
- if (ad->sk == NULL)
- return(0);
- else if (idx >= sk_num(ad->sk))
- return(0);
- else
- return(sk_value(ad->sk,idx));
- }
+{
+ if (ad->sk == NULL)
+ return (0);
+ else if (idx >= sk_void_num(ad->sk))
+ return (0);
+ else
+ return (sk_void_value(ad->sk, idx));
+}
IMPLEMENT_STACK_OF(CRYPTO_EX_DATA_FUNCS)
projects / openssl.git / blobdiff