mirror of
https://github.com/openssl/openssl.git
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298 lines
8.4 KiB
C
298 lines
8.4 KiB
C
/*
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* Copyright 2021-2023 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 <openssl/crypto.h>
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#include <openssl/provider.h>
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#include <openssl/decoder.h>
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#include <openssl/encoder.h>
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#include <openssl/store.h>
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#include <openssl/rand.h>
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#include <openssl/core_names.h>
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#include "testutil.h"
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static int dummy_decoder_decode(void *ctx, OSSL_CORE_BIO *cin, int selection,
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OSSL_CALLBACK *object_cb, void *object_cbarg,
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OSSL_PASSPHRASE_CALLBACK *pw_cb, void *pw_cbarg)
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{
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return 0;
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}
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static const OSSL_DISPATCH dummy_decoder_functions[] = {
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{ OSSL_FUNC_DECODER_DECODE, (void (*)(void))dummy_decoder_decode },
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OSSL_DISPATCH_END
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};
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static const OSSL_ALGORITHM dummy_decoders[] = {
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{ "DUMMY", "provider=dummy,input=pem", dummy_decoder_functions },
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{ NULL, NULL, NULL }
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};
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static int dummy_encoder_encode(void *ctx, OSSL_CORE_BIO *out,
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const void *obj_raw,
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const OSSL_PARAM obj_abstract[], int selection,
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OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
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{
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return 0;
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}
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static const OSSL_DISPATCH dummy_encoder_functions[] = {
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{ OSSL_FUNC_DECODER_DECODE, (void (*)(void))dummy_encoder_encode },
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OSSL_DISPATCH_END
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};
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static const OSSL_ALGORITHM dummy_encoders[] = {
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{ "DUMMY", "provider=dummy,output=pem", dummy_encoder_functions },
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{ NULL, NULL, NULL }
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};
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static void *dummy_store_open(void *provctx, const char *uri)
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{
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return NULL;
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}
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static int dummy_store_load(void *loaderctx, OSSL_CALLBACK *object_cb,
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void *object_cbarg, OSSL_PASSPHRASE_CALLBACK *pw_cb,
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void *pw_cbarg)
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{
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return 0;
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}
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static int dumm_store_eof(void *loaderctx)
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{
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return 0;
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}
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static int dummy_store_close(void *loaderctx)
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{
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return 0;
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}
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static const OSSL_DISPATCH dummy_store_functions[] = {
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{ OSSL_FUNC_STORE_OPEN, (void (*)(void))dummy_store_open },
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{ OSSL_FUNC_STORE_LOAD, (void (*)(void))dummy_store_load },
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{ OSSL_FUNC_STORE_EOF, (void (*)(void))dumm_store_eof },
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{ OSSL_FUNC_STORE_CLOSE, (void (*)(void))dummy_store_close },
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OSSL_DISPATCH_END
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};
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static const OSSL_ALGORITHM dummy_store[] = {
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{ "DUMMY", "provider=dummy", dummy_store_functions },
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{ NULL, NULL, NULL }
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};
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static void *dummy_rand_newctx(void *provctx, void *parent,
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const OSSL_DISPATCH *parent_calls)
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{
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return provctx;
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}
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static void dummy_rand_freectx(void *vctx)
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{
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}
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static int dummy_rand_instantiate(void *vdrbg, unsigned int strength,
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int prediction_resistance,
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const unsigned char *pstr, size_t pstr_len,
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const OSSL_PARAM params[])
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{
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return 1;
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}
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static int dummy_rand_uninstantiate(void *vdrbg)
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{
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return 1;
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}
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static int dummy_rand_generate(void *vctx, unsigned char *out, size_t outlen,
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unsigned int strength, int prediction_resistance,
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const unsigned char *addin, size_t addin_len)
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{
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size_t i;
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for (i = 0; i <outlen; i++)
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out[i] = (unsigned char)(i & 0xff);
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return 1;
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}
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static const OSSL_PARAM *dummy_rand_gettable_ctx_params(void *vctx, void *provctx)
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{
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static const OSSL_PARAM known_gettable_ctx_params[] = {
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OSSL_PARAM_size_t(OSSL_RAND_PARAM_MAX_REQUEST, NULL),
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OSSL_PARAM_END
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};
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return known_gettable_ctx_params;
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}
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static int dummy_rand_get_ctx_params(void *vctx, OSSL_PARAM params[])
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{
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OSSL_PARAM *p;
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p = OSSL_PARAM_locate(params, OSSL_RAND_PARAM_MAX_REQUEST);
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if (p != NULL && !OSSL_PARAM_set_size_t(p, INT_MAX))
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return 0;
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return 1;
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}
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static int dummy_rand_enable_locking(void *vtest)
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{
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return 1;
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}
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static int dummy_rand_lock(void *vtest)
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{
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return 1;
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}
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static void dummy_rand_unlock(void *vtest)
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{
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}
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static const OSSL_DISPATCH dummy_rand_functions[] = {
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{ OSSL_FUNC_RAND_NEWCTX, (void (*)(void))dummy_rand_newctx },
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{ OSSL_FUNC_RAND_FREECTX, (void (*)(void))dummy_rand_freectx },
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{ OSSL_FUNC_RAND_INSTANTIATE, (void (*)(void))dummy_rand_instantiate },
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{ OSSL_FUNC_RAND_UNINSTANTIATE, (void (*)(void))dummy_rand_uninstantiate },
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{ OSSL_FUNC_RAND_GENERATE, (void (*)(void))dummy_rand_generate },
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{ OSSL_FUNC_RAND_GETTABLE_CTX_PARAMS,
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(void(*)(void))dummy_rand_gettable_ctx_params },
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{ OSSL_FUNC_RAND_GET_CTX_PARAMS, (void(*)(void))dummy_rand_get_ctx_params },
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{ OSSL_FUNC_RAND_ENABLE_LOCKING, (void(*)(void))dummy_rand_enable_locking },
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{ OSSL_FUNC_RAND_LOCK, (void(*)(void))dummy_rand_lock },
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{ OSSL_FUNC_RAND_UNLOCK, (void(*)(void))dummy_rand_unlock },
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OSSL_DISPATCH_END
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};
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static const OSSL_ALGORITHM dummy_rand[] = {
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{ "DUMMY", "provider=dummy", dummy_rand_functions },
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{ NULL, NULL, NULL }
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};
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static const OSSL_ALGORITHM *dummy_query(void *provctx, int operation_id,
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int *no_cache)
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{
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*no_cache = 0;
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switch (operation_id) {
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case OSSL_OP_DECODER:
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return dummy_decoders;
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case OSSL_OP_ENCODER:
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return dummy_encoders;
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case OSSL_OP_STORE:
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return dummy_store;
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case OSSL_OP_RAND:
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return dummy_rand;
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}
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return NULL;
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}
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static const OSSL_DISPATCH dummy_dispatch_table[] = {
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{ OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))dummy_query },
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{ OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))OSSL_LIB_CTX_free },
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OSSL_DISPATCH_END
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};
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static int dummy_provider_init(const OSSL_CORE_HANDLE *handle,
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const OSSL_DISPATCH *in,
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const OSSL_DISPATCH **out,
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void **provctx)
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{
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OSSL_LIB_CTX *libctx = OSSL_LIB_CTX_new_child(handle, in);
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unsigned char buf[32];
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*provctx = (void *)libctx;
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*out = dummy_dispatch_table;
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/*
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* Do some work using the child libctx, to make sure this is possible from
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* inside the init function.
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*/
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if (RAND_bytes_ex(libctx, buf, sizeof(buf), 0) <= 0)
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return 0;
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return 1;
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}
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/*
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* Try fetching and freeing various things.
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* Test 0: Decoder
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* Test 1: Encoder
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* Test 2: Store loader
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* Test 3: EVP_RAND
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* Test 4-7: As above, but additionally with a query string
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*/
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static int fetch_test(int tst)
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{
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OSSL_LIB_CTX *libctx = OSSL_LIB_CTX_new();
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OSSL_PROVIDER *dummyprov = NULL;
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OSSL_PROVIDER *nullprov = NULL;
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OSSL_DECODER *decoder = NULL;
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OSSL_ENCODER *encoder = NULL;
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OSSL_STORE_LOADER *loader = NULL;
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int testresult = 0;
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unsigned char buf[32];
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int query = tst > 3;
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if (!TEST_ptr(libctx))
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goto err;
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if (!TEST_true(OSSL_PROVIDER_add_builtin(libctx, "dummy-prov",
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dummy_provider_init))
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|| !TEST_ptr(nullprov = OSSL_PROVIDER_load(libctx, "default"))
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|| !TEST_ptr(dummyprov = OSSL_PROVIDER_load(libctx, "dummy-prov")))
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goto err;
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switch (tst % 4) {
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case 0:
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decoder = OSSL_DECODER_fetch(libctx, "DUMMY",
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query ? "provider=dummy" : NULL);
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if (!TEST_ptr(decoder))
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goto err;
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break;
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case 1:
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encoder = OSSL_ENCODER_fetch(libctx, "DUMMY",
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query ? "provider=dummy" : NULL);
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if (!TEST_ptr(encoder))
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goto err;
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break;
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case 2:
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loader = OSSL_STORE_LOADER_fetch(libctx, "DUMMY",
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query ? "provider=dummy" : NULL);
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if (!TEST_ptr(loader))
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goto err;
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break;
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case 3:
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if (!TEST_true(RAND_set_DRBG_type(libctx, "DUMMY",
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query ? "provider=dummy" : NULL,
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NULL, NULL))
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|| !TEST_int_ge(RAND_bytes_ex(libctx, buf, sizeof(buf), 0), 1))
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goto err;
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break;
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default:
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goto err;
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}
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testresult = 1;
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err:
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OSSL_DECODER_free(decoder);
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OSSL_ENCODER_free(encoder);
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OSSL_STORE_LOADER_free(loader);
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OSSL_PROVIDER_unload(dummyprov);
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OSSL_PROVIDER_unload(nullprov);
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OSSL_LIB_CTX_free(libctx);
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return testresult;
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}
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int setup_tests(void)
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{
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ADD_ALL_TESTS(fetch_test, 8);
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return 1;
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}
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