c2969ff6e7
CLA: trivial Reviewed-by: Richard Levitte <levitte@openssl.org> Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com> (Merged from https://github.com/openssl/openssl/pull/9288)
550 lines
18 KiB
C
550 lines
18 KiB
C
/*
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* Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* https://www.openssl.org/source/license.html
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* or in the file LICENSE in the source distribution.
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*/
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/*
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* This program tests the use of OSSL_PARAM, currently in raw form.
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*/
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#include <string.h>
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#include <openssl/bn.h>
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#include <openssl/core.h>
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#include <openssl/params.h>
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#include "internal/nelem.h"
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#include "testutil.h"
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/*-
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* PROVIDER SECTION
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* ================
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*
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* Even though it's not necessarily ONLY providers doing this part,
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* they are naturally going to be the most common users of
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* set_params and get_params functions.
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*/
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/*
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* In real use cases, setters and getters would take an object with
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* which the parameters are associated. This structure is a cheap
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* simulation.
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*/
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struct object_st {
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/*
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* Documented as a native integer, of the size given by sizeof(int).
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* Assumed data type OSSL_PARAM_INTEGER
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*/
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int p1;
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/*
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* Documented as a native double, of the size given by sizeof(double).
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* Assumed data type OSSL_PARAM_REAL
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*/
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double p2;
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/*
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* Documented as an arbitrarly large unsigned integer.
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* The data size must be large enough to accommodate.
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* Assumed data type OSSL_PARAM_UNSIGNED_INTEGER
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*/
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BIGNUM *p3;
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/*
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* Documented as a C string.
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* The data size must be large enough to accommodate.
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* Assumed data type OSSL_PARAM_UTF8_STRING
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*/
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char *p4;
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size_t p4_l;
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/*
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* Documented as a C string.
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* Assumed data type OSSL_PARAM_UTF8_STRING
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*/
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char p5[256];
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size_t p5_l;
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/*
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* Documented as a pointer to a constant C string.
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* Assumed data type OSSL_PARAM_UTF8_PTR
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*/
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const char *p6;
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size_t p6_l;
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};
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#define p1_init 42 /* The ultimate answer */
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#define p2_init 6.283 /* Magic number */
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/* Stolen from evp_data, BLAKE2s256 test */
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#define p3_init \
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"4142434445464748494a4b4c4d4e4f50" \
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"5152535455565758595a616263646566" \
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"6768696a6b6c6d6e6f70717273747576" \
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"7778797a30313233343536373839"
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#define p4_init "BLAKE2s256" /* Random string */
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#define p5_init "Hellow World" /* Random string */
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#define p6_init OPENSSL_FULL_VERSION_STR /* Static string */
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static void cleanup_object(void *vobj)
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{
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struct object_st *obj = vobj;
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BN_free(obj->p3);
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obj->p3 = NULL;
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OPENSSL_free(obj->p4);
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obj->p4 = NULL;
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OPENSSL_free(obj);
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}
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static void *init_object(void)
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{
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struct object_st *obj = OPENSSL_zalloc(sizeof(*obj));
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obj->p1 = p1_init;
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obj->p2 = p2_init;
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if (!TEST_true(BN_hex2bn(&obj->p3, p3_init)))
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goto fail;
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if (!TEST_ptr(obj->p4 = OPENSSL_strdup(p4_init)))
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goto fail;
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strcpy(obj->p5, p5_init);
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obj->p6 = p6_init;
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return obj;
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fail:
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cleanup_object(obj);
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obj = NULL;
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return NULL;
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}
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/*
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* RAW provider, which handles the parameters in a very raw manner,
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* with no fancy API and very minimal checking. The application that
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* calls these to set or request parameters MUST get its OSSL_PARAM
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* array right.
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*/
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static int raw_set_params(void *vobj, const OSSL_PARAM *params)
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{
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struct object_st *obj = vobj;
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for (; params->key != NULL; params++)
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if (strcmp(params->key, "p1") == 0) {
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obj->p1 = *(int *)params->data;
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} else if (strcmp(params->key, "p2") == 0) {
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obj->p2 = *(double *)params->data;
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} else if (strcmp(params->key, "p3") == 0) {
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BN_free(obj->p3);
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if (!TEST_ptr(obj->p3 = BN_native2bn(params->data,
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params->data_size, NULL)))
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return 0;
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} else if (strcmp(params->key, "p4") == 0) {
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OPENSSL_free(obj->p4);
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if (!TEST_ptr(obj->p4 = OPENSSL_strndup(params->data,
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params->data_size)))
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return 0;
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} else if (strcmp(params->key, "p5") == 0) {
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strncpy(obj->p5, params->data, params->data_size);
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obj->p5_l = strlen(obj->p5) + 1;
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} else if (strcmp(params->key, "p6") == 0) {
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obj->p6 = *(const char **)params->data;
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obj->p6_l = params->data_size;
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}
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return 1;
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}
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static int raw_get_params(void *vobj, OSSL_PARAM *params)
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{
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struct object_st *obj = vobj;
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for (; params->key != NULL; params++)
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if (strcmp(params->key, "p1") == 0) {
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params->return_size = sizeof(obj->p1);
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*(int *)params->data = obj->p1;
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} else if (strcmp(params->key, "p2") == 0) {
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params->return_size = sizeof(obj->p2);
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*(double *)params->data = obj->p2;
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} else if (strcmp(params->key, "p3") == 0) {
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size_t bytes = BN_num_bytes(obj->p3);
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params->return_size = bytes;
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if (!TEST_size_t_ge(params->data_size, bytes))
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return 0;
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BN_bn2nativepad(obj->p3, params->data, bytes);
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} else if (strcmp(params->key, "p4") == 0) {
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size_t bytes = strlen(obj->p4) + 1;
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params->return_size = bytes;
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if (!TEST_size_t_ge(params->data_size, bytes))
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return 0;
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strcpy(params->data, obj->p4);
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} else if (strcmp(params->key, "p5") == 0) {
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size_t bytes = strlen(obj->p5) + 1;
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params->return_size = bytes;
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if (!TEST_size_t_ge(params->data_size, bytes))
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return 0;
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strcpy(params->data, obj->p5);
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} else if (strcmp(params->key, "p6") == 0) {
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/*
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* We COULD also use OPENSSL_FULL_VERSION_STR directly and
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* use sizeof(OPENSSL_FULL_VERSION_STR) instead of calling
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* strlen().
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* The caller wouldn't know the difference.
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*/
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size_t bytes = strlen(obj->p6) + 1;
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params->return_size = bytes;
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*(const char **)params->data = obj->p6;
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}
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return 1;
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}
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/*
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* API provider, which handles the parameters using the API from params.h
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*/
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static int api_set_params(void *vobj, const OSSL_PARAM *params)
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{
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struct object_st *obj = vobj;
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const OSSL_PARAM *p = NULL;
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if ((p = OSSL_PARAM_locate_const(params, "p1")) != NULL
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&& !TEST_true(OSSL_PARAM_get_int(p, &obj->p1)))
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return 0;
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if ((p = OSSL_PARAM_locate_const(params, "p2")) != NULL
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&& !TEST_true(OSSL_PARAM_get_double(p, &obj->p2)))
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return 0;
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if ((p = OSSL_PARAM_locate_const(params, "p3")) != NULL
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&& !TEST_true(OSSL_PARAM_get_BN(p, &obj->p3)))
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return 0;
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if ((p = OSSL_PARAM_locate_const(params, "p4")) != NULL) {
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OPENSSL_free(obj->p4);
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obj->p4 = NULL;
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/* If the value pointer is NULL, we get it automatically allocated */
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if (!TEST_true(OSSL_PARAM_get_utf8_string(p, &obj->p4, 0)))
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return 0;
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}
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if ((p = OSSL_PARAM_locate_const(params, "p5")) != NULL) {
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char *p5_ptr = obj->p5;
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if (!TEST_true(OSSL_PARAM_get_utf8_string(p, &p5_ptr, sizeof(obj->p5))))
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return 0;
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obj->p5_l = strlen(obj->p5) + 1;
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}
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if ((p = OSSL_PARAM_locate_const(params, "p6")) != NULL) {
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if (!TEST_true(OSSL_PARAM_get_utf8_ptr(p, &obj->p6)))
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return 0;
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obj->p6_l = strlen(obj->p6) + 1;
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}
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return 1;
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}
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static int api_get_params(void *vobj, OSSL_PARAM *params)
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{
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struct object_st *obj = vobj;
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OSSL_PARAM *p = NULL;
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if ((p = OSSL_PARAM_locate(params, "p1")) != NULL
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&& !TEST_true(OSSL_PARAM_set_int(p, obj->p1)))
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return 0;
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if ((p = OSSL_PARAM_locate(params, "p2")) != NULL
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&& !TEST_true(OSSL_PARAM_set_double(p, obj->p2)))
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return 0;
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if ((p = OSSL_PARAM_locate(params, "p3")) != NULL
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&& !TEST_true(OSSL_PARAM_set_BN(p, obj->p3)))
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return 0;
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if ((p = OSSL_PARAM_locate(params, "p4")) != NULL
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&& !TEST_true(OSSL_PARAM_set_utf8_string(p, obj->p4)))
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return 0;
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if ((p = OSSL_PARAM_locate(params, "p5")) != NULL
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&& !TEST_true(OSSL_PARAM_set_utf8_string(p, obj->p5)))
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return 0;
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if ((p = OSSL_PARAM_locate(params, "p6")) != NULL
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&& !TEST_true(OSSL_PARAM_set_utf8_ptr(p, obj->p6)))
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return 0;
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return 1;
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}
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/*
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* This structure only simulates a provider dispatch, the real deal is
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* a bit more code that's not necessary in these tests.
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*/
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struct provider_dispatch_st {
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int (*set_params)(void *obj, const OSSL_PARAM *params);
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int (*get_params)(void *obj, OSSL_PARAM *params);
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};
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/* "raw" provider */
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static const struct provider_dispatch_st provider_raw = {
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raw_set_params, raw_get_params
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};
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/* "api" provider */
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static const struct provider_dispatch_st provider_api = {
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api_set_params, api_get_params
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};
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/*-
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* APPLICATION SECTION
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* ===================
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*/
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/* In all our tests, these are variables that get manipulated as parameters
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*
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* These arrays consistently do nothing with the "p2" parameter, and
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* always include a "foo" parameter. This is to check that the
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* set_params and get_params calls ignore the lack of parameters that
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* the application isn't interested in, as well as ignore parameters
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* they don't understand (the application may have one big bag of
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* parameters).
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*/
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static int app_p1; /* "p1" */
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static double app_p2; /* "p2" is ignored */
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static BIGNUM *app_p3 = NULL; /* "p3" */
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static unsigned char bignumbin[4096]; /* "p3" */
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static char app_p4[256]; /* "p4" */
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static char app_p5[256]; /* "p5" */
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static const char *app_p6 = NULL; /* "p6" */
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static unsigned char foo[1]; /* "foo" */
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#define app_p1_init 17 /* A random number */
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#define app_p2_init 47.11 /* Another random number */
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#define app_p3_init "deadbeef" /* Classic */
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#define app_p4_init "Hello"
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#define app_p5_init "World"
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#define app_p6_init "Cookie"
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#define app_foo_init 'z'
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static int cleanup_app_variables(void)
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{
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BN_free(app_p3);
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app_p3 = NULL;
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return 1;
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}
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static int init_app_variables(void)
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{
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int l = 0;
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cleanup_app_variables();
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app_p1 = app_p1_init;
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app_p2 = app_p2_init;
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if (!BN_hex2bn(&app_p3, app_p3_init)
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|| (l = BN_bn2nativepad(app_p3, bignumbin, sizeof(bignumbin))) < 0)
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return 0;
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strcpy(app_p4, app_p4_init);
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strcpy(app_p5, app_p5_init);
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app_p6 = app_p6_init;
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foo[0] = app_foo_init;
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return 1;
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}
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/*
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* Here, we define test OSSL_PARAM arrays
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*/
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/* An array of OSSL_PARAM, specific in the most raw manner possible */
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static OSSL_PARAM static_raw_params[] = {
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{ "p1", OSSL_PARAM_INTEGER, &app_p1, sizeof(app_p1), 0 },
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{ "p3", OSSL_PARAM_UNSIGNED_INTEGER, &bignumbin, sizeof(bignumbin), 0 },
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{ "p4", OSSL_PARAM_UTF8_STRING, &app_p4, sizeof(app_p4), 0 },
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{ "p5", OSSL_PARAM_UTF8_STRING, &app_p5, sizeof(app_p5), 0 },
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/* sizeof(app_p6_init), because we know that's what we're using */
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{ "p6", OSSL_PARAM_UTF8_PTR, &app_p6, sizeof(app_p6_init), 0 },
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{ "foo", OSSL_PARAM_OCTET_STRING, &foo, sizeof(foo), 0 },
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{ NULL, 0, NULL, 0, 0 }
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};
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/* The same array of OSSL_PARAM, specified with the macros from params.h */
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static OSSL_PARAM static_api_params[] = {
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OSSL_PARAM_int("p1", &app_p1),
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OSSL_PARAM_BN("p3", &bignumbin, sizeof(bignumbin)),
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OSSL_PARAM_DEFN("p4", OSSL_PARAM_UTF8_STRING, &app_p4, sizeof(app_p4)),
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OSSL_PARAM_DEFN("p5", OSSL_PARAM_UTF8_STRING, &app_p5, sizeof(app_p5)),
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/* sizeof(app_p6_init), because we know that's what we're using */
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OSSL_PARAM_DEFN("p6", OSSL_PARAM_UTF8_PTR, &app_p6, sizeof(app_p6_init)),
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OSSL_PARAM_DEFN("foo", OSSL_PARAM_OCTET_STRING, &foo, sizeof(foo)),
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OSSL_PARAM_END
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};
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/*
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* The same array again, but constructed at run-time
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* This exercises the OSSL_PARAM constructor functions
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*/
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static OSSL_PARAM *construct_api_params(void)
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{
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size_t n = 0;
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static OSSL_PARAM params[10];
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params[n++] = OSSL_PARAM_construct_int("p1", &app_p1);
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params[n++] = OSSL_PARAM_construct_BN("p3", bignumbin, sizeof(bignumbin));
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params[n++] = OSSL_PARAM_construct_utf8_string("p4", app_p4,
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sizeof(app_p4));
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params[n++] = OSSL_PARAM_construct_utf8_string("p5", app_p5,
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sizeof(app_p5));
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/* sizeof(app_p6_init), because we know that's what we're using */
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params[n++] = OSSL_PARAM_construct_utf8_ptr("p6", (char **)&app_p6,
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sizeof(app_p6_init));
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params[n++] = OSSL_PARAM_construct_octet_string("foo", &foo, sizeof(foo));
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params[n++] = OSSL_PARAM_construct_end();
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return params;
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}
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struct param_owner_st {
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OSSL_PARAM *static_params;
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OSSL_PARAM *(*constructed_params)(void);
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};
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static const struct param_owner_st raw_params = {
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static_raw_params, NULL
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};
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static const struct param_owner_st api_params = {
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static_api_params, construct_api_params
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};
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/*-
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* TESTING
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* =======
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*/
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/*
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* Test cases to combine parameters with "provider side" functions
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*/
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static struct {
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const struct provider_dispatch_st *prov;
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const struct param_owner_st *app;
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const char *desc;
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} test_cases[] = {
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/* Tests within specific methods */
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{ &provider_raw, &raw_params, "raw provider vs raw params" },
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{ &provider_api, &api_params, "api provider vs api params" },
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/* Mixed methods */
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{ &provider_raw, &api_params, "raw provider vs api params" },
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{ &provider_api, &raw_params, "api provider vs raw params" },
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};
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/* Generic tester of combinations of "providers" and params */
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static int test_case_variant(OSSL_PARAM *params, const struct provider_dispatch_st *prov)
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{
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BIGNUM *verify_p3 = NULL;
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void *obj = NULL;
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int errcnt = 0;
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OSSL_PARAM *p;
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/*
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* Initialize
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*/
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if (!TEST_ptr(obj = init_object())
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|| !TEST_true(BN_hex2bn(&verify_p3, p3_init))) {
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errcnt++;
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goto fin;
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}
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/*
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* Get parameters a first time, just to see that getting works and
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* gets us the values we expect.
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*/
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init_app_variables();
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if (!TEST_true(prov->get_params(obj, params))
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|| !TEST_int_eq(app_p1, p1_init) /* "provider" value */
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|| !TEST_double_eq(app_p2, app_p2_init) /* Should remain untouched */
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|| !TEST_ptr(p = OSSL_PARAM_locate(params, "p3"))
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|| !TEST_ptr(BN_native2bn(bignumbin, p->return_size, app_p3))
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|| !TEST_BN_eq(app_p3, verify_p3) /* "provider" value */
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|| !TEST_str_eq(app_p4, p4_init) /* "provider" value */
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|| !TEST_ptr(p = OSSL_PARAM_locate(params, "p5"))
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|| !TEST_size_t_eq(p->return_size, sizeof(p5_init)) /* "provider" value */
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|| !TEST_str_eq(app_p5, p5_init) /* "provider" value */
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|| !TEST_ptr(p = OSSL_PARAM_locate(params, "p6"))
|
|
|| !TEST_size_t_eq(p->return_size, sizeof(p6_init)) /* "provider" value */
|
|
|| !TEST_str_eq(app_p6, p6_init) /* "provider" value */
|
|
|| !TEST_char_eq(foo[0], app_foo_init) /* Should remain untouched */
|
|
|| !TEST_ptr(p = OSSL_PARAM_locate(params, "foo"))
|
|
|| !TEST_int_eq(p->return_size, 0))
|
|
errcnt++;
|
|
|
|
/*
|
|
* Set parameters, then sneak into the object itself and check
|
|
* that its attributes got set (or ignored) properly.
|
|
*/
|
|
init_app_variables();
|
|
|
|
if (!TEST_true(prov->set_params(obj, params))) {
|
|
errcnt++;
|
|
} else {
|
|
struct object_st *sneakpeek = obj;
|
|
|
|
if (!TEST_int_eq(sneakpeek->p1, app_p1) /* app value set */
|
|
|| !TEST_double_eq(sneakpeek->p2, p2_init) /* Should remain untouched */
|
|
|| !TEST_BN_eq(sneakpeek->p3, app_p3) /* app value set */
|
|
|| !TEST_str_eq(sneakpeek->p4, app_p4) /* app value set */
|
|
|| !TEST_str_eq(sneakpeek->p5, app_p5) /* app value set */
|
|
|| !TEST_str_eq(sneakpeek->p6, app_p6)) /* app value set */
|
|
errcnt++;
|
|
}
|
|
|
|
/*
|
|
* Get parameters again, checking that we get different values
|
|
* than earlier where relevant.
|
|
*/
|
|
BN_free(verify_p3);
|
|
verify_p3 = NULL;
|
|
|
|
if (!TEST_true(BN_hex2bn(&verify_p3, app_p3_init))) {
|
|
errcnt++;
|
|
goto fin;
|
|
}
|
|
|
|
if (!TEST_true(prov->get_params(obj, params))
|
|
|| !TEST_int_eq(app_p1, app_p1_init) /* app value */
|
|
|| !TEST_double_eq(app_p2, app_p2_init) /* Should remain untouched */
|
|
|| !TEST_ptr(p = OSSL_PARAM_locate(params, "p3"))
|
|
|| !TEST_ptr(BN_native2bn(bignumbin, p->return_size, app_p3))
|
|
|| !TEST_BN_eq(app_p3, verify_p3) /* app value */
|
|
|| !TEST_str_eq(app_p4, app_p4_init) /* app value */
|
|
|| !TEST_ptr(p = OSSL_PARAM_locate(params, "p5"))
|
|
|| !TEST_size_t_eq(p->return_size,
|
|
sizeof(app_p5_init)) /* app value */
|
|
|| !TEST_str_eq(app_p5, app_p5_init) /* app value */
|
|
|| !TEST_ptr(p = OSSL_PARAM_locate(params, "p6"))
|
|
|| !TEST_size_t_eq(p->return_size,
|
|
sizeof(app_p6_init)) /* app value */
|
|
|| !TEST_str_eq(app_p6, app_p6_init) /* app value */
|
|
|| !TEST_char_eq(foo[0], app_foo_init) /* Should remain untouched */
|
|
|| !TEST_ptr(p = OSSL_PARAM_locate(params, "foo"))
|
|
|| !TEST_int_eq(p->return_size, 0))
|
|
errcnt++;
|
|
|
|
fin:
|
|
BN_free(verify_p3);
|
|
verify_p3 = NULL;
|
|
cleanup_app_variables();
|
|
cleanup_object(obj);
|
|
|
|
return errcnt == 0;
|
|
}
|
|
|
|
static int test_case(int i)
|
|
{
|
|
TEST_info("Case: %s", test_cases[i].desc);
|
|
|
|
return test_case_variant(test_cases[i].app->static_params,
|
|
test_cases[i].prov)
|
|
&& (test_cases[i].app->constructed_params == NULL
|
|
|| test_case_variant(test_cases[i].app->constructed_params(),
|
|
test_cases[i].prov));
|
|
}
|
|
|
|
int setup_tests(void)
|
|
{
|
|
ADD_ALL_TESTS(test_case, OSSL_NELEM(test_cases));
|
|
return 1;
|
|
}
|