| /* |
| * Copyright 2020-2021 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 "apps.h" |
| #include <string.h> |
| #include <openssl/err.h> |
| #include <openssl/provider.h> |
| #include <openssl/safestack.h> |
| |
| /* Non-zero if any of the provider options have been seen */ |
| static int provider_option_given = 0; |
| |
| DEFINE_STACK_OF(OSSL_PROVIDER) |
| |
| /* |
| * See comments in opt_verify for explanation of this. |
| */ |
| enum prov_range { OPT_PROV_ENUM }; |
| |
| static STACK_OF(OSSL_PROVIDER) *app_providers = NULL; |
| |
| static void provider_free(OSSL_PROVIDER *prov) |
| { |
| OSSL_PROVIDER_unload(prov); |
| } |
| |
| int app_provider_load(OSSL_LIB_CTX *libctx, const char *provider_name) |
| { |
| OSSL_PROVIDER *prov; |
| |
| prov = OSSL_PROVIDER_load(libctx, provider_name); |
| if (prov == NULL) { |
| opt_printf_stderr("%s: unable to load provider %s\n" |
| "Hint: use -provider-path option or OPENSSL_MODULES environment variable.\n", |
| opt_getprog(), provider_name); |
| ERR_print_errors(bio_err); |
| return 0; |
| } |
| if (app_providers == NULL) |
| app_providers = sk_OSSL_PROVIDER_new_null(); |
| if (app_providers == NULL |
| || !sk_OSSL_PROVIDER_push(app_providers, prov)) { |
| app_providers_cleanup(); |
| return 0; |
| } |
| return 1; |
| } |
| |
| void app_providers_cleanup(void) |
| { |
| sk_OSSL_PROVIDER_pop_free(app_providers, provider_free); |
| app_providers = NULL; |
| } |
| |
| static int opt_provider_path(const char *path) |
| { |
| if (path != NULL && *path == '\0') |
| path = NULL; |
| return OSSL_PROVIDER_set_default_search_path(app_get0_libctx(), path); |
| } |
| |
| int opt_provider(int opt) |
| { |
| const int given = provider_option_given; |
| |
| provider_option_given = 1; |
| switch ((enum prov_range)opt) { |
| case OPT_PROV__FIRST: |
| case OPT_PROV__LAST: |
| return 1; |
| case OPT_PROV_PROVIDER: |
| return app_provider_load(app_get0_libctx(), opt_arg()); |
| case OPT_PROV_PROVIDER_PATH: |
| return opt_provider_path(opt_arg()); |
| case OPT_PROV_PROPQUERY: |
| return app_set_propq(opt_arg()); |
| } |
| /* Should never get here but if we do, undo what we did earlier */ |
| provider_option_given = given; |
| return 0; |
| } |
| |
| int opt_provider_option_given(void) |
| { |
| return provider_option_given; |
| } |