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e077455e9e
Since OPENSSL_malloc() and friends report ERR_R_MALLOC_FAILURE, and at least handle the file name and line number they are called from, there's no need to report ERR_R_MALLOC_FAILURE where they are called directly, or when SSLfatal() and RLAYERfatal() is used, the reason `ERR_R_MALLOC_FAILURE` is changed to `ERR_R_CRYPTO_LIB`. There were a number of places where `ERR_R_MALLOC_FAILURE` was reported even though it was a function from a different sub-system that was called. Those places are changed to report ERR_R_{lib}_LIB, where {lib} is the name of that sub-system. Some of them are tricky to get right, as we have a lot of functions that belong in the ASN1 sub-system, and all the `sk_` calls or from the CRYPTO sub-system. Some extra adaptation was necessary where there were custom OPENSSL_malloc() wrappers, and some bugs are fixed alongside these changes. Reviewed-by: Tomas Mraz <tomas@openssl.org> Reviewed-by: Hugo Landau <hlandau@openssl.org> (Merged from https://github.com/openssl/openssl/pull/19301)
148 lines
4.2 KiB
C
148 lines
4.2 KiB
C
/*
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* Copyright 2019-2021 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 <string.h>
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#include <openssl/err.h>
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#include <openssl/cryptoerr.h>
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#include <openssl/provider.h>
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#include <openssl/core_names.h>
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#include "internal/provider.h"
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#include "provider_local.h"
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OSSL_PROVIDER *OSSL_PROVIDER_try_load(OSSL_LIB_CTX *libctx, const char *name,
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int retain_fallbacks)
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{
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OSSL_PROVIDER *prov = NULL, *actual;
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int isnew = 0;
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/* Find it or create it */
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if ((prov = ossl_provider_find(libctx, name, 0)) == NULL) {
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if ((prov = ossl_provider_new(libctx, name, NULL, 0)) == NULL)
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return NULL;
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isnew = 1;
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}
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if (!ossl_provider_activate(prov, 1, 0)) {
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ossl_provider_free(prov);
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return NULL;
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}
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actual = prov;
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if (isnew && !ossl_provider_add_to_store(prov, &actual, retain_fallbacks)) {
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ossl_provider_deactivate(prov, 1);
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ossl_provider_free(prov);
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return NULL;
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}
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if (actual != prov) {
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if (!ossl_provider_activate(actual, 1, 0)) {
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ossl_provider_free(actual);
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return NULL;
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}
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}
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return actual;
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}
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OSSL_PROVIDER *OSSL_PROVIDER_load(OSSL_LIB_CTX *libctx, const char *name)
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{
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/* Any attempt to load a provider disables auto-loading of defaults */
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if (ossl_provider_disable_fallback_loading(libctx))
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return OSSL_PROVIDER_try_load(libctx, name, 0);
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return NULL;
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}
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int OSSL_PROVIDER_unload(OSSL_PROVIDER *prov)
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{
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if (!ossl_provider_deactivate(prov, 1))
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return 0;
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ossl_provider_free(prov);
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return 1;
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}
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const OSSL_PARAM *OSSL_PROVIDER_gettable_params(const OSSL_PROVIDER *prov)
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{
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return ossl_provider_gettable_params(prov);
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}
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int OSSL_PROVIDER_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[])
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{
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return ossl_provider_get_params(prov, params);
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}
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const OSSL_ALGORITHM *OSSL_PROVIDER_query_operation(const OSSL_PROVIDER *prov,
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int operation_id,
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int *no_cache)
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{
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return ossl_provider_query_operation(prov, operation_id, no_cache);
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}
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void OSSL_PROVIDER_unquery_operation(const OSSL_PROVIDER *prov,
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int operation_id,
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const OSSL_ALGORITHM *algs)
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{
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ossl_provider_unquery_operation(prov, operation_id, algs);
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}
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void *OSSL_PROVIDER_get0_provider_ctx(const OSSL_PROVIDER *prov)
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{
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return ossl_provider_prov_ctx(prov);
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}
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const OSSL_DISPATCH *OSSL_PROVIDER_get0_dispatch(const OSSL_PROVIDER *prov)
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{
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return ossl_provider_get0_dispatch(prov);
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}
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int OSSL_PROVIDER_self_test(const OSSL_PROVIDER *prov)
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{
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return ossl_provider_self_test(prov);
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}
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int OSSL_PROVIDER_get_capabilities(const OSSL_PROVIDER *prov,
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const char *capability,
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OSSL_CALLBACK *cb,
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void *arg)
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{
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return ossl_provider_get_capabilities(prov, capability, cb, arg);
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}
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int OSSL_PROVIDER_add_builtin(OSSL_LIB_CTX *libctx, const char *name,
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OSSL_provider_init_fn *init_fn)
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{
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OSSL_PROVIDER_INFO entry;
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if (name == NULL || init_fn == NULL) {
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ERR_raise(ERR_LIB_CRYPTO, ERR_R_PASSED_NULL_PARAMETER);
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return 0;
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}
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memset(&entry, 0, sizeof(entry));
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entry.name = OPENSSL_strdup(name);
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if (entry.name == NULL)
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return 0;
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entry.init = init_fn;
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if (!ossl_provider_info_add_to_store(libctx, &entry)) {
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ossl_provider_info_clear(&entry);
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return 0;
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}
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return 1;
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}
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const char *OSSL_PROVIDER_get0_name(const OSSL_PROVIDER *prov)
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{
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return ossl_provider_name(prov);
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}
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int OSSL_PROVIDER_do_all(OSSL_LIB_CTX *ctx,
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int (*cb)(OSSL_PROVIDER *provider,
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void *cbdata),
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void *cbdata)
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{
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return ossl_provider_doall_activated(ctx, cb, cbdata);
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}
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