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/*
* Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL licenses, (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* https://www.openssl.org/source/license.html
* or in the file LICENSE in the source distribution.
*/
#include <string.h>
#include <openssl/e_os2.h>
#include <openssl/crypto.h>
#include "e_os.h"
#include "ssl_test_ctx.h"
/* True enums and other test configuration values that map to an int. */
typedef struct {
const char *name;
int value;
} test_enum;
__owur static int parse_enum(const test_enum *enums, size_t num_enums,
int *value, const char *name)
{
size_t i;
for (i = 0; i < num_enums; i++) {
if (strcmp(enums[i].name, name) == 0) {
*value = enums[i].value;
return 1;
}
}
return 0;
}
static const char *enum_name(const test_enum *enums, size_t num_enums,
int value)
{
size_t i;
for (i = 0; i < num_enums; i++) {
if (enums[i].value == value) {
return enums[i].name;
}
}
return "InvalidValue";
}
/*******************/
/* ExpectedResult. */
/*******************/
static const test_enum ssl_test_results[] = {
{"Success", SSL_TEST_SUCCESS},
{"ServerFail", SSL_TEST_SERVER_FAIL},
{"ClientFail", SSL_TEST_CLIENT_FAIL},
{"InternalError", SSL_TEST_INTERNAL_ERROR},
};
__owur static int parse_expected_result(SSL_TEST_CTX *test_ctx, const char *value)
{
int ret_value;
if (!parse_enum(ssl_test_results, OSSL_NELEM(ssl_test_results),
&ret_value, value)) {
return 0;
}
test_ctx->expected_result = ret_value;
return 1;
}
const char *ssl_test_result_name(ssl_test_result_t result)
{
return enum_name(ssl_test_results, OSSL_NELEM(ssl_test_results), result);
}
/******************************/
/* ClientAlert / ServerAlert. */
/******************************/
static const test_enum ssl_alerts[] = {
{"UnknownCA", SSL_AD_UNKNOWN_CA},
{"HandshakeFailure", SSL_AD_HANDSHAKE_FAILURE},
};
__owur static int parse_alert(int *alert, const char *value)
{
return parse_enum(ssl_alerts, OSSL_NELEM(ssl_alerts), alert, value);
}
__owur static int parse_client_alert(SSL_TEST_CTX *test_ctx, const char *value)
{
return parse_alert(&test_ctx->client_alert, value);
}
__owur static int parse_server_alert(SSL_TEST_CTX *test_ctx, const char *value)
{
return parse_alert(&test_ctx->server_alert, value);
}
const char *ssl_alert_name(int alert)
{
return enum_name(ssl_alerts, OSSL_NELEM(ssl_alerts), alert);
}
/************/
/* Protocol */
/************/
static const test_enum ssl_protocols[] = {
{"TLSv1.2", TLS1_2_VERSION},
{"TLSv1.1", TLS1_1_VERSION},
{"TLSv1", TLS1_VERSION},
{"SSLv3", SSL3_VERSION},
};
__owur static int parse_protocol(SSL_TEST_CTX *test_ctx, const char *value)
{
return parse_enum(ssl_protocols, OSSL_NELEM(ssl_protocols),
&test_ctx->protocol, value);
}
const char *ssl_protocol_name(int protocol)
{
return enum_name(ssl_protocols, OSSL_NELEM(ssl_protocols), protocol);
}
/***********************/
/* CertVerifyCallback. */
/***********************/
static const test_enum ssl_verify_callbacks[] = {
{"None", SSL_TEST_VERIFY_NONE},
{"AcceptAll", SSL_TEST_VERIFY_ACCEPT_ALL},
{"RejectAll", SSL_TEST_VERIFY_REJECT_ALL},
};
__owur static int parse_client_verify_callback(SSL_TEST_CTX *test_ctx,
const char *value)
{
int ret_value;
if (!parse_enum(ssl_verify_callbacks, OSSL_NELEM(ssl_verify_callbacks),
&ret_value, value)) {
return 0;
}
test_ctx->client_verify_callback = ret_value;
return 1;
}
const char *ssl_verify_callback_name(ssl_verify_callback_t callback)
{
return enum_name(ssl_verify_callbacks, OSSL_NELEM(ssl_verify_callbacks),
callback);
}
/*************************************************************/
/* Known test options and their corresponding parse methods. */
/*************************************************************/
typedef struct {
const char *name;
int (*parse)(SSL_TEST_CTX *test_ctx, const char *value);
} ssl_test_ctx_option;
static const ssl_test_ctx_option ssl_test_ctx_options[] = {
{ "ExpectedResult", &parse_expected_result },
{ "ClientAlert", &parse_client_alert },
{ "ServerAlert", &parse_server_alert },
{ "Protocol", &parse_protocol },
{ "ClientVerifyCallback", &parse_client_verify_callback },
};
/*
* Since these methods are used to create tests, we use OPENSSL_assert liberally
* for malloc failures and other internal errors.
*/
SSL_TEST_CTX *SSL_TEST_CTX_new()
{
SSL_TEST_CTX *ret;
ret = OPENSSL_zalloc(sizeof(*ret));
OPENSSL_assert(ret != NULL);
return ret;
}
void SSL_TEST_CTX_free(SSL_TEST_CTX *ctx)
{
OPENSSL_free(ctx);
}
SSL_TEST_CTX *SSL_TEST_CTX_create(const CONF *conf, const char *test_section)
{
STACK_OF(CONF_VALUE) *sk_conf;
SSL_TEST_CTX *ctx;
int i;
size_t j;
sk_conf = NCONF_get_section(conf, test_section);
OPENSSL_assert(sk_conf != NULL);
ctx = SSL_TEST_CTX_new();
OPENSSL_assert(ctx != NULL);
for (i = 0; i < sk_CONF_VALUE_num(sk_conf); i++) {
int found = 0;
const CONF_VALUE *option = sk_CONF_VALUE_value(sk_conf, i);
for (j = 0; j < OSSL_NELEM(ssl_test_ctx_options); j++) {
if (strcmp(option->name, ssl_test_ctx_options[j].name) == 0) {
if (!ssl_test_ctx_options[j].parse(ctx, option->value)) {
fprintf(stderr, "Bad value %s for option %s\n",
option->value, option->name);
goto err;
}
found = 1;
break;
}
}
if (!found) {
fprintf(stderr, "Unknown test option: %s\n", option->name);
goto err;
}
}
goto done;
err:
SSL_TEST_CTX_free(ctx);
ctx = NULL;
done:
return ctx;
}
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