mirror of https://github.com/openssl/openssl.git
93 lines
2.4 KiB
C
93 lines
2.4 KiB
C
/*
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* Copyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include "apps.h"
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#include <string.h>
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#include <openssl/err.h>
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#include <openssl/provider.h>
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#include <openssl/safestack.h>
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/* Non-zero if any of the provider options have been seen */
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static int provider_option_given = 0;
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DEFINE_STACK_OF(OSSL_PROVIDER)
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/*
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* See comments in opt_verify for explanation of this.
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*/
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enum prov_range { OPT_PROV_ENUM };
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static STACK_OF(OSSL_PROVIDER) *app_providers = NULL;
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static void provider_free(OSSL_PROVIDER *prov)
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{
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OSSL_PROVIDER_unload(prov);
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}
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int app_provider_load(OSSL_LIB_CTX *libctx, const char *provider_name)
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{
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OSSL_PROVIDER *prov;
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prov = OSSL_PROVIDER_load(libctx, provider_name);
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if (prov == NULL) {
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opt_printf_stderr("%s: unable to load provider %s\n"
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"Hint: use -provider-path option or OPENSSL_MODULES environment variable.\n",
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opt_getprog(), provider_name);
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ERR_print_errors(bio_err);
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return 0;
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}
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if (app_providers == NULL)
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app_providers = sk_OSSL_PROVIDER_new_null();
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if (app_providers == NULL
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|| !sk_OSSL_PROVIDER_push(app_providers, prov)) {
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app_providers_cleanup();
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return 0;
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}
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return 1;
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}
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void app_providers_cleanup(void)
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{
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sk_OSSL_PROVIDER_pop_free(app_providers, provider_free);
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app_providers = NULL;
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}
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static int opt_provider_path(const char *path)
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{
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if (path != NULL && *path == '\0')
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path = NULL;
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return OSSL_PROVIDER_set_default_search_path(app_get0_libctx(), path);
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}
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int opt_provider(int opt)
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{
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const int given = provider_option_given;
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provider_option_given = 1;
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switch ((enum prov_range)opt) {
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case OPT_PROV__FIRST:
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case OPT_PROV__LAST:
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return 1;
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case OPT_PROV_PROVIDER:
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return app_provider_load(app_get0_libctx(), opt_arg());
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case OPT_PROV_PROVIDER_PATH:
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return opt_provider_path(opt_arg());
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case OPT_PROV_PROPQUERY:
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return app_set_propq(opt_arg());
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}
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/* Should never get here but if we do, undo what we did earlier */
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provider_option_given = given;
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return 0;
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}
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int opt_provider_option_given(void)
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{
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return provider_option_given;
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}
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