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openssl/crypto/provider_core.c
Rich Salz b60cba3c5d Make allocation/free/clean available to providers 
Also make OPENSSL_hexstr2buf available to providers.
EVP control functions need hexstring conversion, so move any
memory-allocating functions in o_str.c into new file mem_str.c

Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/8886)
2019-07-11 15:53:59 +10:00

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/*
* Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <openssl/core.h>
#include <openssl/core_numbers.h>
#include <openssl/params.h>
#include <openssl/opensslv.h>
#include "internal/cryptlib_int.h"
#include "internal/nelem.h"
#include "internal/thread_once.h"
#include "internal/provider.h"
#include "internal/refcount.h"
#include "provider_local.h"
static OSSL_PROVIDER *provider_new(const char *name,
OSSL_provider_init_fn *init_function);
/*-
* Provider Object structure
* =========================
*/
typedef struct {
char *name;
char *value;
} INFOPAIR;
DEFINE_STACK_OF(INFOPAIR)
struct provider_store_st; /* Forward declaration */
struct ossl_provider_st {
/* Flag bits */
unsigned int flag_initialized:1;
unsigned int flag_fallback:1;
/* OpenSSL library side data */
CRYPTO_REF_COUNT refcnt;
CRYPTO_RWLOCK *refcnt_lock; /* For the ref counter */
char *name;
char *path;
DSO *module;
OSSL_provider_init_fn *init_function;
STACK_OF(INFOPAIR) *parameters;
OPENSSL_CTX *libctx; /* The library context this instance is in */
struct provider_store_st *store; /* The store this instance belongs to */
#ifndef FIPS_MODE
/*
* In the FIPS module inner provider, this isn't needed, since the
* error upcalls are always direct calls to the outer provider.
*/
int error_lib; /* ERR library number, one for each provider */
# ifndef OPENSSL_NO_ERR
ERR_STRING_DATA *error_strings; /* Copy of what the provider gives us */
# endif
#endif
/* Provider side functions */
OSSL_provider_teardown_fn *teardown;
OSSL_provider_get_param_types_fn *get_param_types;
OSSL_provider_get_params_fn *get_params;
OSSL_provider_query_operation_fn *query_operation;
/* Provider side data */
void *provctx;
};
DEFINE_STACK_OF(OSSL_PROVIDER)
static int ossl_provider_cmp(const OSSL_PROVIDER * const *a,
const OSSL_PROVIDER * const *b)
{
return strcmp((*a)->name, (*b)->name);
}
/*-
* Provider Object store
* =====================
*
* The Provider Object store is a library context object, and therefore needs
* an index.
*/
struct provider_store_st {
STACK_OF(OSSL_PROVIDER) *providers;
CRYPTO_RWLOCK *lock;
unsigned int use_fallbacks:1;
};
static void provider_store_free(void *vstore)
{
struct provider_store_st *store = vstore;
if (store == NULL)
return;
sk_OSSL_PROVIDER_pop_free(store->providers, ossl_provider_free);
CRYPTO_THREAD_lock_free(store->lock);
OPENSSL_free(store);
}
static void *provider_store_new(OPENSSL_CTX *ctx)
{
struct provider_store_st *store = OPENSSL_zalloc(sizeof(*store));
const struct predefined_providers_st *p = NULL;
if (store == NULL
|| (store->providers = sk_OSSL_PROVIDER_new(ossl_provider_cmp)) == NULL
|| (store->lock = CRYPTO_THREAD_lock_new()) == NULL) {
provider_store_free(store);
return NULL;
}
store->use_fallbacks = 1;
for (p = predefined_providers; p->name != NULL; p++) {
OSSL_PROVIDER *prov = NULL;
/*
* We use the internal constructor directly here,
* otherwise we get a call loop
*/
prov = provider_new(p->name, p->init);
if (prov == NULL
|| sk_OSSL_PROVIDER_push(store->providers, prov) == 0) {
ossl_provider_free(prov);
provider_store_free(store);
CRYPTOerr(CRYPTO_F_PROVIDER_STORE_NEW, ERR_R_INTERNAL_ERROR);
return NULL;
}
prov->libctx = ctx;
prov->store = store;
#ifndef FIPS_MODE
prov->error_lib = ERR_get_next_error_library();
#endif
if(p->is_fallback)
ossl_provider_set_fallback(prov);
}
return store;
}
static const OPENSSL_CTX_METHOD provider_store_method = {
provider_store_new,
provider_store_free,
};
static struct provider_store_st *get_provider_store(OPENSSL_CTX *libctx)
{
struct provider_store_st *store = NULL;
store = openssl_ctx_get_data(libctx, OPENSSL_CTX_PROVIDER_STORE_INDEX,
&provider_store_method);
if (store == NULL)
CRYPTOerr(CRYPTO_F_GET_PROVIDER_STORE, ERR_R_INTERNAL_ERROR);
return store;
}
OSSL_PROVIDER *ossl_provider_find(OPENSSL_CTX *libctx, const char *name)
{
struct provider_store_st *store = NULL;
OSSL_PROVIDER *prov = NULL;
if ((store = get_provider_store(libctx)) != NULL) {
OSSL_PROVIDER tmpl = { 0, };
int i;
tmpl.name = (char *)name;
CRYPTO_THREAD_write_lock(store->lock);
if ((i = sk_OSSL_PROVIDER_find(store->providers, &tmpl)) == -1
|| (prov = sk_OSSL_PROVIDER_value(store->providers, i)) == NULL
|| !ossl_provider_up_ref(prov))
prov = NULL;
CRYPTO_THREAD_unlock(store->lock);
}
return prov;
}
/*-
* Provider Object methods
* =======================
*/
static OSSL_PROVIDER *provider_new(const char *name,
OSSL_provider_init_fn *init_function)
{
OSSL_PROVIDER *prov = NULL;
if ((prov = OPENSSL_zalloc(sizeof(*prov))) == NULL
#ifndef HAVE_ATOMICS
|| (prov->refcnt_lock = CRYPTO_THREAD_lock_new()) == NULL
#endif
|| !ossl_provider_up_ref(prov) /* +1 One reference to be returned */
|| (prov->name = OPENSSL_strdup(name)) == NULL) {
ossl_provider_free(prov);
CRYPTOerr(CRYPTO_F_PROVIDER_NEW, ERR_R_MALLOC_FAILURE);
return NULL;
}
prov->init_function = init_function;
return prov;
}
int ossl_provider_up_ref(OSSL_PROVIDER *prov)
{
int ref = 0;
if (CRYPTO_UP_REF(&prov->refcnt, &ref, prov->refcnt_lock) <= 0)
return 0;
return ref;
}
OSSL_PROVIDER *ossl_provider_new(OPENSSL_CTX *libctx, const char *name,
OSSL_provider_init_fn *init_function)
{
struct provider_store_st *store = NULL;
OSSL_PROVIDER *prov = NULL;
if ((store = get_provider_store(libctx)) == NULL)
return NULL;
if ((prov = ossl_provider_find(libctx, name)) != NULL) { /* refcount +1 */
ossl_provider_free(prov); /* refcount -1 */
CRYPTOerr(CRYPTO_F_OSSL_PROVIDER_NEW,
CRYPTO_R_PROVIDER_ALREADY_EXISTS);
ERR_add_error_data(2, "name=", name);
return NULL;
}
/* provider_new() generates an error, so no need here */
if ((prov = provider_new(name, init_function)) == NULL)
return NULL;
CRYPTO_THREAD_write_lock(store->lock);
if (!ossl_provider_up_ref(prov)) { /* +1 One reference for the store */
ossl_provider_free(prov); /* -1 Reference that was to be returned */
prov = NULL;
} else if (sk_OSSL_PROVIDER_push(store->providers, prov) == 0) {
ossl_provider_free(prov); /* -1 Store reference */
ossl_provider_free(prov); /* -1 Reference that was to be returned */
prov = NULL;
} else {
prov->libctx = libctx;
prov->store = store;
#ifndef FIPS_MODE
prov->error_lib = ERR_get_next_error_library();
#endif
}
CRYPTO_THREAD_unlock(store->lock);
if (prov == NULL)
CRYPTOerr(CRYPTO_F_OSSL_PROVIDER_NEW, ERR_R_MALLOC_FAILURE);
/*
* At this point, the provider is only partially "loaded". To be
* fully "loaded", ossl_provider_activate() must also be called.
*/
return prov;
}
static void free_infopair(INFOPAIR *pair)
{
OPENSSL_free(pair->name);
OPENSSL_free(pair->value);
OPENSSL_free(pair);
}
void ossl_provider_free(OSSL_PROVIDER *prov)
{
if (prov != NULL) {
int ref = 0;
CRYPTO_DOWN_REF(&prov->refcnt, &ref, prov->refcnt_lock);
/*
* When the refcount drops below two, the store is the only
* possible reference, or it has already been taken away from
* the store (this may happen if a provider was activated
* because it's a fallback, but isn't currently used)
* When that happens, the provider is inactivated.
*/
if (ref < 2 && prov->flag_initialized) {
#ifndef FIPS_MODE
ossl_init_thread_deregister(prov);
#endif
if (prov->teardown != NULL)
prov->teardown(prov->provctx);
#ifndef OPENSSL_NO_ERR
# ifndef FIPS_MODE
if (prov->error_strings != NULL) {
ERR_unload_strings(prov->error_lib, prov->error_strings);
OPENSSL_free(prov->error_strings);
prov->error_strings = NULL;
}
# endif
#endif
prov->flag_initialized = 0;
}
/*
* When the refcount drops to zero, it has been taken out of
* the store. All we have to do here is clean it out.
*/
if (ref == 0) {
#ifndef FIPS_MODE
DSO_free(prov->module);
#endif
OPENSSL_free(prov->name);
OPENSSL_free(prov->path);
sk_INFOPAIR_pop_free(prov->parameters, free_infopair);
#ifndef HAVE_ATOMICS
CRYPTO_THREAD_lock_free(prov->refcnt_lock);
#endif
OPENSSL_free(prov);
}
}
}
/* Setters */
int ossl_provider_set_module_path(OSSL_PROVIDER *prov, const char *module_path)
{
OPENSSL_free(prov->path);
if (module_path == NULL)
return 1;
if ((prov->path = OPENSSL_strdup(module_path)) != NULL)
return 1;
CRYPTOerr(CRYPTO_F_OSSL_PROVIDER_SET_MODULE_PATH, ERR_R_MALLOC_FAILURE);
return 0;
}
int ossl_provider_add_parameter(OSSL_PROVIDER *prov,
const char *name, const char *value)
{
INFOPAIR *pair = NULL;
if ((pair = OPENSSL_zalloc(sizeof(*pair))) != NULL
&& (prov->parameters != NULL
|| (prov->parameters = sk_INFOPAIR_new_null()) != NULL)
&& (pair->name = OPENSSL_strdup(name)) != NULL
&& (pair->value = OPENSSL_strdup(value)) != NULL
&& sk_INFOPAIR_push(prov->parameters, pair) > 0)
return 1;
if (pair != NULL) {
OPENSSL_free(pair->name);
OPENSSL_free(pair->value);
OPENSSL_free(pair);
}
CRYPTOerr(CRYPTO_F_OSSL_PROVIDER_ADD_PARAMETER, ERR_R_MALLOC_FAILURE);
return 0;
}
/*
* Provider activation.
*
* What "activation" means depends on the provider form; for built in
* providers (in the library or the application alike), the provider
* can already be considered to be loaded, all that's needed is to
* initialize it. However, for dynamically loadable provider modules,
* we must first load that module.
*
* Built in modules are distinguished from dynamically loaded modules
* with an already assigned init function.
*/
static const OSSL_DISPATCH *core_dispatch; /* Define further down */
/*
* Internal version that doesn't affect the store flags, and thereby avoid
* locking. Direct callers must remember to set the store flags when
* appropriate.
*/
static int provider_activate(OSSL_PROVIDER *prov)
{
const OSSL_DISPATCH *provider_dispatch = NULL;
#ifndef OPENSSL_NO_ERR
# ifndef FIPS_MODE
OSSL_provider_get_reason_strings_fn *p_get_reason_strings = NULL;
# endif
#endif
if (prov->flag_initialized)
return 1;
/*
* If the init function isn't set, it indicates that this provider is
* a loadable module.
*/
if (prov->init_function == NULL) {
#ifdef FIPS_MODE
return 0;
#else
if (prov->module == NULL) {
char *allocated_path = NULL;
const char *module_path = NULL;
char *merged_path = NULL;
const char *load_dir = ossl_safe_getenv("OPENSSL_MODULES");
if ((prov->module = DSO_new()) == NULL) {
/* DSO_new() generates an error already */
return 0;
}
if (load_dir == NULL)
load_dir = MODULESDIR;
DSO_ctrl(prov->module, DSO_CTRL_SET_FLAGS,
DSO_FLAG_NAME_TRANSLATION_EXT_ONLY, NULL);
module_path = prov->path;
if (module_path == NULL)
module_path = allocated_path =
DSO_convert_filename(prov->module, prov->name);
if (module_path != NULL)
merged_path = DSO_merge(prov->module, module_path, load_dir);
if (merged_path == NULL
|| (DSO_load(prov->module, merged_path, NULL, 0)) == NULL) {
DSO_free(prov->module);
prov->module = NULL;
}
OPENSSL_free(merged_path);
OPENSSL_free(allocated_path);
}
if (prov->module != NULL)
prov->init_function = (OSSL_provider_init_fn *)
DSO_bind_func(prov->module, "OSSL_provider_init");
#endif
}
/* Call the initialise function for the provider. */
if (prov->init_function == NULL
|| !prov->init_function(prov, core_dispatch, &provider_dispatch,
&prov->provctx)) {
CRYPTOerr(CRYPTO_F_PROVIDER_ACTIVATE, ERR_R_INIT_FAIL);
ERR_add_error_data(2, "name=", prov->name);
#ifndef FIPS_MODE
DSO_free(prov->module);
prov->module = NULL;
#endif
return 0;
}
for (; provider_dispatch->function_id != 0; provider_dispatch++) {
switch (provider_dispatch->function_id) {
case OSSL_FUNC_PROVIDER_TEARDOWN:
prov->teardown =
OSSL_get_provider_teardown(provider_dispatch);
break;
case OSSL_FUNC_PROVIDER_GET_PARAM_TYPES:
prov->get_param_types =
OSSL_get_provider_get_param_types(provider_dispatch);
break;
case OSSL_FUNC_PROVIDER_GET_PARAMS:
prov->get_params =
OSSL_get_provider_get_params(provider_dispatch);
break;
case OSSL_FUNC_PROVIDER_QUERY_OPERATION:
prov->query_operation =
OSSL_get_provider_query_operation(provider_dispatch);
break;
#ifndef OPENSSL_NO_ERR
# ifndef FIPS_MODE
case OSSL_FUNC_PROVIDER_GET_REASON_STRINGS:
p_get_reason_strings =
OSSL_get_provider_get_reason_strings(provider_dispatch);
break;
# endif
#endif
}
}
#ifndef OPENSSL_NO_ERR
# ifndef FIPS_MODE
if (p_get_reason_strings != NULL) {
const OSSL_ITEM *reasonstrings = p_get_reason_strings(prov->provctx);
size_t cnt, cnt2;
/*
* ERR_load_strings() handles ERR_STRING_DATA rather than OSSL_ITEM,
* although they are essentially the same type.
* Furthermore, ERR_load_strings() patches the array's error number
* with the error library number, so we need to make a copy of that
* array either way.
*/
cnt = 1; /* One for the terminating item */
while (reasonstrings[cnt].id != 0) {
if (ERR_GET_LIB(reasonstrings[cnt].id) != 0)
return 0;
cnt++;
}
/* Allocate one extra item for the "library" name */
prov->error_strings =
OPENSSL_zalloc(sizeof(ERR_STRING_DATA) * (cnt + 1));
if (prov->error_strings == NULL)
return 0;
/*
* Set the "library" name.
*/
prov->error_strings[0].error = ERR_PACK(prov->error_lib, 0, 0);
prov->error_strings[0].string = prov->name;
/*
* Copy reasonstrings item 0..cnt-1 to prov->error_trings positions
* 1..cnt.
*/
for (cnt2 = 1; cnt2 <= cnt; cnt2++) {
prov->error_strings[cnt2].error = (int)reasonstrings[cnt2-1].id;
prov->error_strings[cnt2].string = reasonstrings[cnt2-1].ptr;
}
ERR_load_strings(prov->error_lib, prov->error_strings);
}
# endif
#endif
/* With this flag set, this provider has become fully "loaded". */
prov->flag_initialized = 1;
return 1;
}
int ossl_provider_activate(OSSL_PROVIDER *prov)
{
if (provider_activate(prov)) {
CRYPTO_THREAD_write_lock(prov->store->lock);
prov->store->use_fallbacks = 0;
CRYPTO_THREAD_unlock(prov->store->lock);
return 1;
}
return 0;
}
void *ossl_provider_ctx(const OSSL_PROVIDER *prov)
{
return prov->provctx;
}
static int provider_forall_loaded(struct provider_store_st *store,
int *found_activated,
int (*cb)(OSSL_PROVIDER *provider,
void *cbdata),
void *cbdata)
{
int i;
int ret = 1;
int num_provs = sk_OSSL_PROVIDER_num(store->providers);
if (found_activated != NULL)
*found_activated = 0;
for (i = 0; i < num_provs; i++) {
OSSL_PROVIDER *prov =
sk_OSSL_PROVIDER_value(store->providers, i);
if (prov->flag_initialized) {
if (found_activated != NULL)
*found_activated = 1;
if (!(ret = cb(prov, cbdata)))
break;
}
}
return ret;
}
int ossl_provider_forall_loaded(OPENSSL_CTX *ctx,
int (*cb)(OSSL_PROVIDER *provider,
void *cbdata),
void *cbdata)
{
int ret = 1;
int i;
struct provider_store_st *store = get_provider_store(ctx);
if (store != NULL) {
int found_activated = 0;
CRYPTO_THREAD_read_lock(store->lock);
ret = provider_forall_loaded(store, &found_activated, cb, cbdata);
/*
* If there's nothing activated ever in this store, try to activate
* all fallbacks.
*/
if (!found_activated && store->use_fallbacks) {
int num_provs = sk_OSSL_PROVIDER_num(store->providers);
int activated_fallback_count = 0;
for (i = 0; i < num_provs; i++) {
OSSL_PROVIDER *prov =
sk_OSSL_PROVIDER_value(store->providers, i);
/*
* Note that we don't care if the activation succeeds or
* not. If it doesn't succeed, then the next loop will
* fail anyway.
*/
if (prov->flag_fallback) {
activated_fallback_count++;
provider_activate(prov);
}
}
if (activated_fallback_count > 0) {
/*
* We assume that all fallbacks have been added to the store
* before any fallback is activated.
* TODO: We may have to reconsider this, IF we find ourselves
* adding fallbacks after any previous fallback has been
* activated.
*/
store->use_fallbacks = 0;
/*
* Now that we've activated available fallbacks, try a
* second sweep
*/
ret = provider_forall_loaded(store, NULL, cb, cbdata);
}
}
CRYPTO_THREAD_unlock(store->lock);
}
return ret;
}
/* Setters of Provider Object data */
int ossl_provider_set_fallback(OSSL_PROVIDER *prov)
{
if (prov == NULL)
return 0;
prov->flag_fallback = 1;
return 1;
}
/* Getters of Provider Object data */
const char *ossl_provider_name(const OSSL_PROVIDER *prov)
{
return prov->name;
}
const DSO *ossl_provider_dso(const OSSL_PROVIDER *prov)
{
return prov->module;
}
const char *ossl_provider_module_name(const OSSL_PROVIDER *prov)
{
#ifdef FIPS_MODE
return NULL;
#else
return DSO_get_filename(prov->module);
#endif
}
const char *ossl_provider_module_path(const OSSL_PROVIDER *prov)
{
#ifdef FIPS_MODE
return NULL;
#else
/* FIXME: Ensure it's a full path */
return DSO_get_filename(prov->module);
#endif
}
/* Wrappers around calls to the provider */
void ossl_provider_teardown(const OSSL_PROVIDER *prov)
{
if (prov->teardown != NULL)
prov->teardown(prov->provctx);
}
const OSSL_ITEM *ossl_provider_get_param_types(const OSSL_PROVIDER *prov)
{
return prov->get_param_types == NULL
? NULL : prov->get_param_types(prov->provctx);
}
int ossl_provider_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[])
{
return prov->get_params == NULL
? 0 : prov->get_params(prov->provctx, params);
}
const OSSL_ALGORITHM *ossl_provider_query_operation(const OSSL_PROVIDER *prov,
int operation_id,
int *no_cache)
{
return prov->query_operation(prov->provctx, operation_id, no_cache);
}
/*-
* Core functions for the provider
* ===============================
*
* This is the set of functions that the core makes available to the provider
*/
/*
* This returns a list of Provider Object parameters with their types, for
* discovery. We do not expect that many providers will use this, but one
* never knows.
*/
static const OSSL_ITEM param_types[] = {
{ OSSL_PARAM_UTF8_PTR, "openssl-version" },
{ OSSL_PARAM_UTF8_PTR, "provider-name" },
{ 0, NULL }
};
static const OSSL_ITEM *core_get_param_types(const OSSL_PROVIDER *prov)
{
return param_types;
}
static int core_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[])
{
int i;
OSSL_PARAM *p;
if ((p = OSSL_PARAM_locate(params, "openssl-version")) != NULL)
OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR);
if ((p = OSSL_PARAM_locate(params, "provider-name")) != NULL)
OSSL_PARAM_set_utf8_ptr(p, prov->name);
if (prov->parameters == NULL)
return 1;
for (i = 0; i < sk_INFOPAIR_num(prov->parameters); i++) {
INFOPAIR *pair = sk_INFOPAIR_value(prov->parameters, i);
if ((p = OSSL_PARAM_locate(params, pair->name)) != NULL)
OSSL_PARAM_set_utf8_ptr(p, pair->value);
}
return 1;
}
static OSSL_core_get_library_context_fn core_get_libctx; /* Check */
static OPENSSL_CTX *core_get_libctx(const OSSL_PROVIDER *prov)
{
return prov->libctx;
}
static int core_thread_start(const OSSL_PROVIDER *prov,
OSSL_thread_stop_handler_fn handfn)
{
return ossl_init_thread_start(prov, prov->provctx, handfn);
}
/*
* The FIPS module inner provider doesn't implement these. They aren't
* needed there, since the FIPS module upcalls are always the outer provider
* ones.
*/
#ifndef FIPS_MODE
static void core_put_error(const OSSL_PROVIDER *prov,
uint32_t reason, const char *file, int line)
{
/*
* If the uppermost 8 bits are non-zero, it's an OpenSSL library
* error and will be treated as such. Otherwise, it's a new style
* provider error and will be treated as such.
*/
if (ERR_GET_LIB(reason) != 0) {
ERR_PUT_error(ERR_GET_LIB(reason),
ERR_GET_FUNC(reason),
ERR_GET_REASON(reason),
file, line);
} else {
ERR_PUT_error(prov->error_lib, 0, (int)reason, file, line);
}
}
/*
* TODO(3.0) This, as well as core_put_error above, should use |prov|
* to select the proper library context to report in the correct error
* stack, at least if error stacks become tied to the library context.
* We cannot currently do that since there's no support for it in the
* ERR subsystem.
*/
static void core_add_error_vdata(const OSSL_PROVIDER *prov,
int num, va_list args)
{
ERR_add_error_vdata(num, args);
}
#endif
/*
* Functions provided by the core. Blank line separates "families" of related
* functions.
*/
static const OSSL_DISPATCH core_dispatch_[] = {
{ OSSL_FUNC_CORE_GET_PARAM_TYPES, (void (*)(void))core_get_param_types },
{ OSSL_FUNC_CORE_GET_PARAMS, (void (*)(void))core_get_params },
{ OSSL_FUNC_CORE_GET_LIBRARY_CONTEXT, (void (*)(void))core_get_libctx },
{ OSSL_FUNC_CORE_THREAD_START, (void (*)(void))core_thread_start },
#ifndef FIPS_MODE
{ OSSL_FUNC_CORE_PUT_ERROR, (void (*)(void))core_put_error },
{ OSSL_FUNC_CORE_ADD_ERROR_VDATA, (void (*)(void))core_add_error_vdata },
#endif
{ OSSL_FUNC_CRYPTO_MALLOC, (void (*)(void))CRYPTO_malloc },
{ OSSL_FUNC_CRYPTO_ZALLOC, (void (*)(void))CRYPTO_zalloc },
{ OSSL_FUNC_CRYPTO_MEMDUP, (void (*)(void))CRYPTO_memdup },
{ OSSL_FUNC_CRYPTO_STRDUP, (void (*)(void))CRYPTO_strdup },
{ OSSL_FUNC_CRYPTO_STRNDUP, (void (*)(void))CRYPTO_strndup },
{ OSSL_FUNC_CRYPTO_FREE, (void (*)(void))CRYPTO_free },
{ OSSL_FUNC_CRYPTO_CLEAR_FREE, (void (*)(void))CRYPTO_clear_free },
{ OSSL_FUNC_CRYPTO_REALLOC, (void (*)(void))CRYPTO_realloc },
{ OSSL_FUNC_CRYPTO_CLEAR_REALLOC, (void (*)(void))CRYPTO_clear_realloc },
{ OSSL_FUNC_CRYPTO_SECURE_MALLOC, (void (*)(void))CRYPTO_secure_malloc },
{ OSSL_FUNC_CRYPTO_SECURE_ZALLOC, (void (*)(void))CRYPTO_secure_zalloc },
{ OSSL_FUNC_CRYPTO_SECURE_FREE, (void (*)(void))CRYPTO_secure_free },
{ OSSL_FUNC_CRYPTO_SECURE_CLEAR_FREE,
(void (*)(void))CRYPTO_secure_clear_free },
{ OSSL_FUNC_CRYPTO_SECURE_ALLOCATED,
(void (*)(void))CRYPTO_secure_allocated },
{ OSSL_FUNC_OPENSSL_CLEANSE, (void (*)(void))OPENSSL_cleanse },
{ OSSL_FUNC_OPENSSL_HEXSTR2BUF, (void (*)(void))OPENSSL_hexstr2buf },
{ 0, NULL }
};
static const OSSL_DISPATCH *core_dispatch = core_dispatch_;
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