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- #include "apps.h"
- #include <string.h>
- #include <openssl/err.h>
- #include <openssl/provider.h>
- #include <openssl/safestack.h>
- static int provider_option_given = 0;
- DEFINE_STACK_OF(OSSL_PROVIDER)
- 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());
- }
-
- provider_option_given = given;
- return 0;
- }
- int opt_provider_option_given(void)
- {
- return provider_option_given;
- }
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