2 * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 #include <openssl/core.h>
11 #include <openssl/core_numbers.h>
12 #include <openssl/core_names.h>
13 #include <openssl/provider.h>
14 #include <openssl/params.h>
15 #include <openssl/opensslv.h>
16 #include "crypto/cryptlib.h"
17 #include "internal/nelem.h"
18 #include "internal/thread_once.h"
19 #include "internal/provider.h"
20 #include "internal/refcount.h"
21 #include "provider_local.h"
23 # include <openssl/self_test.h>
26 static OSSL_PROVIDER *provider_new(const char *name,
27 OSSL_provider_init_fn *init_function);
30 * Provider Object structure
31 * =========================
38 DEFINE_STACK_OF(INFOPAIR)
40 struct provider_store_st; /* Forward declaration */
42 struct ossl_provider_st {
44 unsigned int flag_initialized:1;
45 unsigned int flag_fallback:1;
47 /* OpenSSL library side data */
48 CRYPTO_REF_COUNT refcnt;
49 CRYPTO_RWLOCK *refcnt_lock; /* For the ref counter */
53 OSSL_provider_init_fn *init_function;
54 STACK_OF(INFOPAIR) *parameters;
55 OPENSSL_CTX *libctx; /* The library context this instance is in */
56 struct provider_store_st *store; /* The store this instance belongs to */
59 * In the FIPS module inner provider, this isn't needed, since the
60 * error upcalls are always direct calls to the outer provider.
62 int error_lib; /* ERR library number, one for each provider */
63 # ifndef OPENSSL_NO_ERR
64 ERR_STRING_DATA *error_strings; /* Copy of what the provider gives us */
68 /* Provider side functions */
69 OSSL_provider_teardown_fn *teardown;
70 OSSL_provider_gettable_params_fn *gettable_params;
71 OSSL_provider_get_params_fn *get_params;
72 OSSL_provider_query_operation_fn *query_operation;
74 /* Provider side data */
77 DEFINE_STACK_OF(OSSL_PROVIDER)
79 static int ossl_provider_cmp(const OSSL_PROVIDER * const *a,
80 const OSSL_PROVIDER * const *b)
82 return strcmp((*a)->name, (*b)->name);
86 * Provider Object store
87 * =====================
89 * The Provider Object store is a library context object, and therefore needs
93 struct provider_store_st {
94 STACK_OF(OSSL_PROVIDER) *providers;
97 unsigned int use_fallbacks:1;
100 static void provider_store_free(void *vstore)
102 struct provider_store_st *store = vstore;
106 OPENSSL_free(store->default_path);
107 sk_OSSL_PROVIDER_pop_free(store->providers, ossl_provider_free);
108 CRYPTO_THREAD_lock_free(store->lock);
112 static void *provider_store_new(OPENSSL_CTX *ctx)
114 struct provider_store_st *store = OPENSSL_zalloc(sizeof(*store));
115 const struct predefined_providers_st *p = NULL;
118 || (store->providers = sk_OSSL_PROVIDER_new(ossl_provider_cmp)) == NULL
119 || (store->lock = CRYPTO_THREAD_lock_new()) == NULL) {
120 provider_store_free(store);
123 store->use_fallbacks = 1;
125 for (p = predefined_providers; p->name != NULL; p++) {
126 OSSL_PROVIDER *prov = NULL;
129 * We use the internal constructor directly here,
130 * otherwise we get a call loop
132 prov = provider_new(p->name, p->init);
135 || sk_OSSL_PROVIDER_push(store->providers, prov) == 0) {
136 ossl_provider_free(prov);
137 provider_store_free(store);
138 CRYPTOerr(CRYPTO_F_PROVIDER_STORE_NEW, ERR_R_INTERNAL_ERROR);
144 prov->error_lib = ERR_get_next_error_library();
147 ossl_provider_set_fallback(prov);
153 static const OPENSSL_CTX_METHOD provider_store_method = {
158 static struct provider_store_st *get_provider_store(OPENSSL_CTX *libctx)
160 struct provider_store_st *store = NULL;
162 store = openssl_ctx_get_data(libctx, OPENSSL_CTX_PROVIDER_STORE_INDEX,
163 &provider_store_method);
165 CRYPTOerr(CRYPTO_F_GET_PROVIDER_STORE, ERR_R_INTERNAL_ERROR);
169 OSSL_PROVIDER *ossl_provider_find(OPENSSL_CTX *libctx, const char *name,
172 struct provider_store_st *store = NULL;
173 OSSL_PROVIDER *prov = NULL;
175 if ((store = get_provider_store(libctx)) != NULL) {
176 OSSL_PROVIDER tmpl = { 0, };
181 * Make sure any providers are loaded from config before we try to find
185 OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CONFIG, NULL);
188 tmpl.name = (char *)name;
189 CRYPTO_THREAD_write_lock(store->lock);
190 if ((i = sk_OSSL_PROVIDER_find(store->providers, &tmpl)) == -1
191 || (prov = sk_OSSL_PROVIDER_value(store->providers, i)) == NULL
192 || !ossl_provider_up_ref(prov))
194 CRYPTO_THREAD_unlock(store->lock);
201 * Provider Object methods
202 * =======================
205 static OSSL_PROVIDER *provider_new(const char *name,
206 OSSL_provider_init_fn *init_function)
208 OSSL_PROVIDER *prov = NULL;
210 if ((prov = OPENSSL_zalloc(sizeof(*prov))) == NULL
212 || (prov->refcnt_lock = CRYPTO_THREAD_lock_new()) == NULL
214 || !ossl_provider_up_ref(prov) /* +1 One reference to be returned */
215 || (prov->name = OPENSSL_strdup(name)) == NULL) {
216 ossl_provider_free(prov);
217 CRYPTOerr(CRYPTO_F_PROVIDER_NEW, ERR_R_MALLOC_FAILURE);
221 prov->init_function = init_function;
225 int ossl_provider_up_ref(OSSL_PROVIDER *prov)
229 if (CRYPTO_UP_REF(&prov->refcnt, &ref, prov->refcnt_lock) <= 0)
234 OSSL_PROVIDER *ossl_provider_new(OPENSSL_CTX *libctx, const char *name,
235 OSSL_provider_init_fn *init_function,
238 struct provider_store_st *store = NULL;
239 OSSL_PROVIDER *prov = NULL;
241 if ((store = get_provider_store(libctx)) == NULL)
244 if ((prov = ossl_provider_find(libctx, name,
245 noconfig)) != NULL) { /* refcount +1 */
246 ossl_provider_free(prov); /* refcount -1 */
247 ERR_raise_data(ERR_LIB_CRYPTO, CRYPTO_R_PROVIDER_ALREADY_EXISTS, NULL,
252 /* provider_new() generates an error, so no need here */
253 if ((prov = provider_new(name, init_function)) == NULL)
256 CRYPTO_THREAD_write_lock(store->lock);
257 if (!ossl_provider_up_ref(prov)) { /* +1 One reference for the store */
258 ossl_provider_free(prov); /* -1 Reference that was to be returned */
260 } else if (sk_OSSL_PROVIDER_push(store->providers, prov) == 0) {
261 ossl_provider_free(prov); /* -1 Store reference */
262 ossl_provider_free(prov); /* -1 Reference that was to be returned */
265 prov->libctx = libctx;
268 prov->error_lib = ERR_get_next_error_library();
271 CRYPTO_THREAD_unlock(store->lock);
274 CRYPTOerr(CRYPTO_F_OSSL_PROVIDER_NEW, ERR_R_MALLOC_FAILURE);
277 * At this point, the provider is only partially "loaded". To be
278 * fully "loaded", ossl_provider_activate() must also be called.
284 static void free_infopair(INFOPAIR *pair)
286 OPENSSL_free(pair->name);
287 OPENSSL_free(pair->value);
291 void ossl_provider_free(OSSL_PROVIDER *prov)
296 CRYPTO_DOWN_REF(&prov->refcnt, &ref, prov->refcnt_lock);
299 * When the refcount drops below two, the store is the only
300 * possible reference, or it has already been taken away from
301 * the store (this may happen if a provider was activated
302 * because it's a fallback, but isn't currently used)
303 * When that happens, the provider is inactivated.
305 if (ref < 2 && prov->flag_initialized) {
307 ossl_init_thread_deregister(prov);
309 if (prov->teardown != NULL)
310 prov->teardown(prov->provctx);
311 #ifndef OPENSSL_NO_ERR
313 if (prov->error_strings != NULL) {
314 ERR_unload_strings(prov->error_lib, prov->error_strings);
315 OPENSSL_free(prov->error_strings);
316 prov->error_strings = NULL;
320 prov->flag_initialized = 0;
324 * When the refcount drops to zero, it has been taken out of
325 * the store. All we have to do here is clean it out.
329 DSO_free(prov->module);
331 OPENSSL_free(prov->name);
332 OPENSSL_free(prov->path);
333 sk_INFOPAIR_pop_free(prov->parameters, free_infopair);
335 CRYPTO_THREAD_lock_free(prov->refcnt_lock);
343 int ossl_provider_set_module_path(OSSL_PROVIDER *prov, const char *module_path)
345 OPENSSL_free(prov->path);
346 if (module_path == NULL)
348 if ((prov->path = OPENSSL_strdup(module_path)) != NULL)
350 CRYPTOerr(CRYPTO_F_OSSL_PROVIDER_SET_MODULE_PATH, ERR_R_MALLOC_FAILURE);
354 int ossl_provider_add_parameter(OSSL_PROVIDER *prov,
355 const char *name, const char *value)
357 INFOPAIR *pair = NULL;
359 if ((pair = OPENSSL_zalloc(sizeof(*pair))) != NULL
360 && (prov->parameters != NULL
361 || (prov->parameters = sk_INFOPAIR_new_null()) != NULL)
362 && (pair->name = OPENSSL_strdup(name)) != NULL
363 && (pair->value = OPENSSL_strdup(value)) != NULL
364 && sk_INFOPAIR_push(prov->parameters, pair) > 0)
368 OPENSSL_free(pair->name);
369 OPENSSL_free(pair->value);
372 CRYPTOerr(CRYPTO_F_OSSL_PROVIDER_ADD_PARAMETER, ERR_R_MALLOC_FAILURE);
377 * Provider activation.
379 * What "activation" means depends on the provider form; for built in
380 * providers (in the library or the application alike), the provider
381 * can already be considered to be loaded, all that's needed is to
382 * initialize it. However, for dynamically loadable provider modules,
383 * we must first load that module.
385 * Built in modules are distinguished from dynamically loaded modules
386 * with an already assigned init function.
388 static const OSSL_DISPATCH *core_dispatch; /* Define further down */
390 int OSSL_PROVIDER_set_default_search_path(OPENSSL_CTX *libctx, const char *path)
392 struct provider_store_st *store;
396 p = OPENSSL_strdup(path);
398 CRYPTOerr(0, ERR_R_MALLOC_FAILURE);
402 if ((store = get_provider_store(libctx)) != NULL
403 && CRYPTO_THREAD_write_lock(store->lock)) {
404 OPENSSL_free(store->default_path);
405 store->default_path = p;
406 CRYPTO_THREAD_unlock(store->lock);
414 * Internal version that doesn't affect the store flags, and thereby avoid
415 * locking. Direct callers must remember to set the store flags when
418 static int provider_activate(OSSL_PROVIDER *prov)
420 const OSSL_DISPATCH *provider_dispatch = NULL;
421 #ifndef OPENSSL_NO_ERR
423 OSSL_provider_get_reason_strings_fn *p_get_reason_strings = NULL;
427 if (prov->flag_initialized)
431 * If the init function isn't set, it indicates that this provider is
434 if (prov->init_function == NULL) {
438 if (prov->module == NULL) {
439 char *allocated_path = NULL;
440 const char *module_path = NULL;
441 char *merged_path = NULL;
442 const char *load_dir = NULL;
443 struct provider_store_st *store;
445 if ((prov->module = DSO_new()) == NULL) {
446 /* DSO_new() generates an error already */
450 if ((store = get_provider_store(prov->libctx)) == NULL
451 || !CRYPTO_THREAD_read_lock(store->lock))
453 load_dir = store->default_path;
455 if (load_dir == NULL) {
456 load_dir = ossl_safe_getenv("OPENSSL_MODULES");
457 if (load_dir == NULL)
458 load_dir = MODULESDIR;
461 DSO_ctrl(prov->module, DSO_CTRL_SET_FLAGS,
462 DSO_FLAG_NAME_TRANSLATION_EXT_ONLY, NULL);
464 module_path = prov->path;
465 if (module_path == NULL)
466 module_path = allocated_path =
467 DSO_convert_filename(prov->module, prov->name);
468 if (module_path != NULL)
469 merged_path = DSO_merge(prov->module, module_path, load_dir);
470 CRYPTO_THREAD_unlock(store->lock);
472 if (merged_path == NULL
473 || (DSO_load(prov->module, merged_path, NULL, 0)) == NULL) {
474 DSO_free(prov->module);
478 OPENSSL_free(merged_path);
479 OPENSSL_free(allocated_path);
482 if (prov->module != NULL)
483 prov->init_function = (OSSL_provider_init_fn *)
484 DSO_bind_func(prov->module, "OSSL_provider_init");
488 /* Call the initialise function for the provider. */
489 if (prov->init_function == NULL
490 || !prov->init_function(prov, core_dispatch, &provider_dispatch,
492 ERR_raise_data(ERR_LIB_CRYPTO, ERR_R_INIT_FAIL, NULL,
493 "name=%s", prov->name);
495 DSO_free(prov->module);
501 for (; provider_dispatch->function_id != 0; provider_dispatch++) {
502 switch (provider_dispatch->function_id) {
503 case OSSL_FUNC_PROVIDER_TEARDOWN:
505 OSSL_get_provider_teardown(provider_dispatch);
507 case OSSL_FUNC_PROVIDER_GETTABLE_PARAMS:
508 prov->gettable_params =
509 OSSL_get_provider_gettable_params(provider_dispatch);
511 case OSSL_FUNC_PROVIDER_GET_PARAMS:
513 OSSL_get_provider_get_params(provider_dispatch);
515 case OSSL_FUNC_PROVIDER_QUERY_OPERATION:
516 prov->query_operation =
517 OSSL_get_provider_query_operation(provider_dispatch);
519 #ifndef OPENSSL_NO_ERR
521 case OSSL_FUNC_PROVIDER_GET_REASON_STRINGS:
522 p_get_reason_strings =
523 OSSL_get_provider_get_reason_strings(provider_dispatch);
530 #ifndef OPENSSL_NO_ERR
532 if (p_get_reason_strings != NULL) {
533 const OSSL_ITEM *reasonstrings = p_get_reason_strings(prov->provctx);
537 * ERR_load_strings() handles ERR_STRING_DATA rather than OSSL_ITEM,
538 * although they are essentially the same type.
539 * Furthermore, ERR_load_strings() patches the array's error number
540 * with the error library number, so we need to make a copy of that
543 cnt = 1; /* One for the terminating item */
544 while (reasonstrings[cnt].id != 0) {
545 if (ERR_GET_LIB(reasonstrings[cnt].id) != 0)
550 /* Allocate one extra item for the "library" name */
551 prov->error_strings =
552 OPENSSL_zalloc(sizeof(ERR_STRING_DATA) * (cnt + 1));
553 if (prov->error_strings == NULL)
557 * Set the "library" name.
559 prov->error_strings[0].error = ERR_PACK(prov->error_lib, 0, 0);
560 prov->error_strings[0].string = prov->name;
562 * Copy reasonstrings item 0..cnt-1 to prov->error_trings positions
565 for (cnt2 = 1; cnt2 <= cnt; cnt2++) {
566 prov->error_strings[cnt2].error = (int)reasonstrings[cnt2-1].id;
567 prov->error_strings[cnt2].string = reasonstrings[cnt2-1].ptr;
570 ERR_load_strings(prov->error_lib, prov->error_strings);
575 /* With this flag set, this provider has become fully "loaded". */
576 prov->flag_initialized = 1;
581 int ossl_provider_activate(OSSL_PROVIDER *prov)
583 if (provider_activate(prov)) {
584 CRYPTO_THREAD_write_lock(prov->store->lock);
585 prov->store->use_fallbacks = 0;
586 CRYPTO_THREAD_unlock(prov->store->lock);
593 void *ossl_provider_ctx(const OSSL_PROVIDER *prov)
595 return prov->provctx;
599 static int provider_forall_loaded(struct provider_store_st *store,
600 int *found_activated,
601 int (*cb)(OSSL_PROVIDER *provider,
609 num_provs = sk_OSSL_PROVIDER_num(store->providers);
611 if (found_activated != NULL)
612 *found_activated = 0;
613 for (i = 0; i < num_provs; i++) {
614 OSSL_PROVIDER *prov =
615 sk_OSSL_PROVIDER_value(store->providers, i);
617 if (prov->flag_initialized) {
618 if (found_activated != NULL)
619 *found_activated = 1;
620 if (!(ret = cb(prov, cbdata)))
629 * This function only does something once when store->use_fallbacks == 1,
630 * and then sets store->use_fallbacks = 0, so the second call and so on is
631 * effectively a no-op.
633 static void provider_activate_fallbacks(struct provider_store_st *store)
635 if (store->use_fallbacks) {
636 int num_provs = sk_OSSL_PROVIDER_num(store->providers);
637 int activated_fallback_count = 0;
640 for (i = 0; i < num_provs; i++) {
641 OSSL_PROVIDER *prov = sk_OSSL_PROVIDER_value(store->providers, i);
644 * Note that we don't care if the activation succeeds or not.
645 * If it doesn't succeed, then any attempt to use any of the
646 * fallback providers will fail anyway.
648 if (prov->flag_fallback) {
649 activated_fallback_count++;
650 provider_activate(prov);
655 * We assume that all fallbacks have been added to the store before
656 * any fallback is activated.
657 * TODO: We may have to reconsider this, IF we find ourselves adding
658 * fallbacks after any previous fallback has been activated.
660 if (activated_fallback_count > 0)
661 store->use_fallbacks = 0;
665 int ossl_provider_forall_loaded(OPENSSL_CTX *ctx,
666 int (*cb)(OSSL_PROVIDER *provider,
671 struct provider_store_st *store = get_provider_store(ctx);
675 * Make sure any providers are loaded from config before we try to use
678 OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CONFIG, NULL);
682 CRYPTO_THREAD_read_lock(store->lock);
684 provider_activate_fallbacks(store);
687 * Now, we sweep through all providers
689 ret = provider_forall_loaded(store, NULL, cb, cbdata);
691 CRYPTO_THREAD_unlock(store->lock);
697 int ossl_provider_available(OSSL_PROVIDER *prov)
700 CRYPTO_THREAD_read_lock(prov->store->lock);
701 provider_activate_fallbacks(prov->store);
702 CRYPTO_THREAD_unlock(prov->store->lock);
704 return prov->flag_initialized;
709 /* Setters of Provider Object data */
710 int ossl_provider_set_fallback(OSSL_PROVIDER *prov)
715 prov->flag_fallback = 1;
719 /* Getters of Provider Object data */
720 const char *ossl_provider_name(const OSSL_PROVIDER *prov)
725 const DSO *ossl_provider_dso(const OSSL_PROVIDER *prov)
730 const char *ossl_provider_module_name(const OSSL_PROVIDER *prov)
735 return DSO_get_filename(prov->module);
739 const char *ossl_provider_module_path(const OSSL_PROVIDER *prov)
744 /* FIXME: Ensure it's a full path */
745 return DSO_get_filename(prov->module);
749 OPENSSL_CTX *ossl_provider_library_context(const OSSL_PROVIDER *prov)
751 /* TODO(3.0) just: return prov->libctx; */
752 return prov != NULL ? prov->libctx : NULL;
755 /* Wrappers around calls to the provider */
756 void ossl_provider_teardown(const OSSL_PROVIDER *prov)
758 if (prov->teardown != NULL)
759 prov->teardown(prov->provctx);
762 const OSSL_PARAM *ossl_provider_gettable_params(const OSSL_PROVIDER *prov)
764 return prov->gettable_params == NULL
765 ? NULL : prov->gettable_params(prov->provctx);
768 int ossl_provider_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[])
770 return prov->get_params == NULL
771 ? 0 : prov->get_params(prov->provctx, params);
775 const OSSL_ALGORITHM *ossl_provider_query_operation(const OSSL_PROVIDER *prov,
779 return prov->query_operation(prov->provctx, operation_id, no_cache);
783 * Core functions for the provider
784 * ===============================
786 * This is the set of functions that the core makes available to the provider
790 * This returns a list of Provider Object parameters with their types, for
791 * discovery. We do not expect that many providers will use this, but one
794 static const OSSL_PARAM param_types[] = {
795 OSSL_PARAM_DEFN("openssl-version", OSSL_PARAM_UTF8_PTR, NULL, 0),
796 OSSL_PARAM_DEFN("provider-name", OSSL_PARAM_UTF8_PTR, NULL, 0),
801 * Forward declare all the functions that are provided aa dispatch.
802 * This ensures that the compiler will complain if they aren't defined
803 * with the correct signature.
805 static OSSL_core_gettable_params_fn core_gettable_params;
806 static OSSL_core_get_params_fn core_get_params;
807 static OSSL_core_thread_start_fn core_thread_start;
808 static OSSL_core_get_library_context_fn core_get_libctx;
810 static OSSL_core_new_error_fn core_new_error;
811 static OSSL_core_set_error_debug_fn core_set_error_debug;
812 static OSSL_core_vset_error_fn core_vset_error;
813 static OSSL_core_set_error_mark_fn core_set_error_mark;
814 static OSSL_core_clear_last_error_mark_fn core_clear_last_error_mark;
815 static OSSL_core_pop_error_to_mark_fn core_pop_error_to_mark;
818 static const OSSL_PARAM *core_gettable_params(const OSSL_PROVIDER *prov)
823 static int core_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[])
828 if ((p = OSSL_PARAM_locate(params, "openssl-version")) != NULL)
829 OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR);
830 if ((p = OSSL_PARAM_locate(params, "provider-name")) != NULL)
831 OSSL_PARAM_set_utf8_ptr(p, prov->name);
834 if ((p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_MODULE_FILENAME)) != NULL)
835 OSSL_PARAM_set_utf8_ptr(p, ossl_provider_module_path(prov));
838 if (prov->parameters == NULL)
841 for (i = 0; i < sk_INFOPAIR_num(prov->parameters); i++) {
842 INFOPAIR *pair = sk_INFOPAIR_value(prov->parameters, i);
844 if ((p = OSSL_PARAM_locate(params, pair->name)) != NULL)
845 OSSL_PARAM_set_utf8_ptr(p, pair->value);
850 static OPENSSL_CTX *core_get_libctx(const OSSL_PROVIDER *prov)
852 return ossl_provider_library_context(prov);
855 static int core_thread_start(const OSSL_PROVIDER *prov,
856 OSSL_thread_stop_handler_fn handfn)
858 return ossl_init_thread_start(prov, prov->provctx, handfn);
862 * The FIPS module inner provider doesn't implement these. They aren't
863 * needed there, since the FIPS module upcalls are always the outer provider
868 * TODO(3.0) These error functions should use |prov| to select the proper
869 * library context to report in the correct error stack, at least if error
870 * stacks become tied to the library context.
871 * We cannot currently do that since there's no support for it in the
874 static void core_new_error(const OSSL_PROVIDER *prov)
879 static void core_set_error_debug(const OSSL_PROVIDER *prov,
880 const char *file, int line, const char *func)
882 ERR_set_debug(file, line, func);
885 static void core_vset_error(const OSSL_PROVIDER *prov,
886 uint32_t reason, const char *fmt, va_list args)
889 * If the uppermost 8 bits are non-zero, it's an OpenSSL library
890 * error and will be treated as such. Otherwise, it's a new style
891 * provider error and will be treated as such.
893 if (ERR_GET_LIB(reason) != 0) {
894 ERR_vset_error(ERR_GET_LIB(reason), ERR_GET_REASON(reason), fmt, args);
896 ERR_vset_error(prov->error_lib, (int)reason, fmt, args);
900 static int core_set_error_mark(const OSSL_PROVIDER *prov)
902 return ERR_set_mark();
905 static int core_clear_last_error_mark(const OSSL_PROVIDER *prov)
907 return ERR_clear_last_mark();
910 static int core_pop_error_to_mark(const OSSL_PROVIDER *prov)
912 return ERR_pop_to_mark();
917 * Functions provided by the core. Blank line separates "families" of related
920 static const OSSL_DISPATCH core_dispatch_[] = {
921 { OSSL_FUNC_CORE_GETTABLE_PARAMS, (void (*)(void))core_gettable_params },
922 { OSSL_FUNC_CORE_GET_PARAMS, (void (*)(void))core_get_params },
923 { OSSL_FUNC_CORE_GET_LIBRARY_CONTEXT, (void (*)(void))core_get_libctx },
924 { OSSL_FUNC_CORE_THREAD_START, (void (*)(void))core_thread_start },
926 { OSSL_FUNC_CORE_NEW_ERROR, (void (*)(void))core_new_error },
927 { OSSL_FUNC_CORE_SET_ERROR_DEBUG, (void (*)(void))core_set_error_debug },
928 { OSSL_FUNC_CORE_VSET_ERROR, (void (*)(void))core_vset_error },
929 { OSSL_FUNC_CORE_SET_ERROR_MARK, (void (*)(void))core_set_error_mark },
930 { OSSL_FUNC_CORE_CLEAR_LAST_ERROR_MARK,
931 (void (*)(void))core_clear_last_error_mark },
932 { OSSL_FUNC_CORE_POP_ERROR_TO_MARK,
933 (void (*)(void))core_pop_error_to_mark },
934 { OSSL_FUNC_BIO_NEW_FILE, (void (*)(void))BIO_new_file },
935 { OSSL_FUNC_BIO_NEW_MEMBUF, (void (*)(void))BIO_new_mem_buf },
936 { OSSL_FUNC_BIO_READ_EX, (void (*)(void))BIO_read_ex },
937 { OSSL_FUNC_BIO_FREE, (void (*)(void))BIO_free },
938 { OSSL_FUNC_BIO_VPRINTF, (void (*)(void))BIO_vprintf },
939 { OSSL_FUNC_SELF_TEST_CB, (void (*)(void))OSSL_SELF_TEST_get_callback },
941 { OSSL_FUNC_CRYPTO_MALLOC, (void (*)(void))CRYPTO_malloc },
942 { OSSL_FUNC_CRYPTO_ZALLOC, (void (*)(void))CRYPTO_zalloc },
943 { OSSL_FUNC_CRYPTO_FREE, (void (*)(void))CRYPTO_free },
944 { OSSL_FUNC_CRYPTO_CLEAR_FREE, (void (*)(void))CRYPTO_clear_free },
945 { OSSL_FUNC_CRYPTO_REALLOC, (void (*)(void))CRYPTO_realloc },
946 { OSSL_FUNC_CRYPTO_CLEAR_REALLOC, (void (*)(void))CRYPTO_clear_realloc },
947 { OSSL_FUNC_CRYPTO_SECURE_MALLOC, (void (*)(void))CRYPTO_secure_malloc },
948 { OSSL_FUNC_CRYPTO_SECURE_ZALLOC, (void (*)(void))CRYPTO_secure_zalloc },
949 { OSSL_FUNC_CRYPTO_SECURE_FREE, (void (*)(void))CRYPTO_secure_free },
950 { OSSL_FUNC_CRYPTO_SECURE_CLEAR_FREE,
951 (void (*)(void))CRYPTO_secure_clear_free },
952 { OSSL_FUNC_CRYPTO_SECURE_ALLOCATED,
953 (void (*)(void))CRYPTO_secure_allocated },
954 { OSSL_FUNC_OPENSSL_CLEANSE, (void (*)(void))OPENSSL_cleanse },
958 static const OSSL_DISPATCH *core_dispatch = core_dispatch_;