mirror of
https://github.com/openssl/openssl.git
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2d5a82570a
Reviewed-by: Tim Hudson <tjh@openssl.org>
216 lines
6.5 KiB
C
216 lines
6.5 KiB
C
/*
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* Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL licenses, (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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#include <stdio.h>
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#include <openssl/conf.h>
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#include <openssl/err.h>
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#include <openssl/ssl.h>
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#include "handshake_helper.h"
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#include "ssl_test_ctx.h"
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#include "testutil.h"
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static CONF *conf = NULL;
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/* Currently the section names are of the form test-<number>, e.g. test-15. */
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#define MAX_TESTCASE_NAME_LENGTH 100
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typedef struct ssl_test_ctx_test_fixture {
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const char *test_case_name;
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char test_app[MAX_TESTCASE_NAME_LENGTH];
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} SSL_TEST_FIXTURE;
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static SSL_TEST_FIXTURE set_up(const char *const test_case_name)
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{
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SSL_TEST_FIXTURE fixture;
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fixture.test_case_name = test_case_name;
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return fixture;
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}
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static const char *print_alert(int alert)
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{
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return alert ? SSL_alert_desc_string_long(alert) : "no alert";
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}
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static int check_result(HANDSHAKE_RESULT result, SSL_TEST_CTX *test_ctx)
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{
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if (result.result != test_ctx->expected_result) {
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fprintf(stderr, "ExpectedResult mismatch: expected %s, got %s.\n",
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ssl_test_result_t_name(test_ctx->expected_result),
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ssl_test_result_t_name(result.result));
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return 0;
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}
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return 1;
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}
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static int check_alerts(HANDSHAKE_RESULT result, SSL_TEST_CTX *test_ctx)
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{
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if (result.client_alert_sent != result.client_alert_received) {
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fprintf(stderr, "Client sent alert %s but server received %s\n.",
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print_alert(result.client_alert_sent),
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print_alert(result.client_alert_received));
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/*
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* We can't bail here because the peer doesn't always get far enough
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* to process a received alert. Specifically, in protocol version
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* negotiation tests, we have the following scenario.
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* Client supports TLS v1.2 only; Server supports TLS v1.1.
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* Client proposes TLS v1.2; server responds with 1.1;
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* Client now sends a protocol alert, using TLS v1.2 in the header.
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* The server, however, rejects the alert because of version mismatch
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* in the record layer; therefore, the server appears to never
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* receive the alert.
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*/
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/* return 0; */
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}
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if (result.server_alert_sent != result.server_alert_received) {
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fprintf(stderr, "Server sent alert %s but client received %s\n.",
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print_alert(result.server_alert_sent),
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print_alert(result.server_alert_received));
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/* return 0; */
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}
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/* Tolerate an alert if one wasn't explicitly specified in the test. */
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if (test_ctx->client_alert
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/*
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* The info callback alert value is computed as
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* (s->s3->send_alert[0] << 8) | s->s3->send_alert[1]
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* where the low byte is the alert code and the high byte is other stuff.
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*/
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&& (result.client_alert_sent & 0xff) != test_ctx->client_alert) {
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fprintf(stderr, "ClientAlert mismatch: expected %s, got %s.\n",
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print_alert(test_ctx->client_alert),
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print_alert(result.client_alert_sent));
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return 0;
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}
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if (test_ctx->server_alert
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&& (result.server_alert_sent & 0xff) != test_ctx->server_alert) {
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fprintf(stderr, "ServerAlert mismatch: expected %s, got %s.\n",
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print_alert(test_ctx->server_alert),
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print_alert(result.server_alert_sent));
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return 0;
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}
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return 1;
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}
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static int check_protocol(HANDSHAKE_RESULT result, SSL_TEST_CTX *test_ctx)
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{
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if (result.client_protocol != result.server_protocol) {
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fprintf(stderr, "Client has protocol %s but server has %s\n.",
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ssl_protocol_name(result.client_protocol),
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ssl_protocol_name(result.server_protocol));
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return 0;
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}
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if (test_ctx->protocol) {
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if (result.client_protocol != test_ctx->protocol) {
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fprintf(stderr, "Protocol mismatch: expected %s, got %s.\n",
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ssl_protocol_name(test_ctx->protocol),
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ssl_protocol_name(result.client_protocol));
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return 0;
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}
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}
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return 1;
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}
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/*
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* This could be further simplified by constructing an expected
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* HANDSHAKE_RESULT, and implementing comparison methods for
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* its fields.
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*/
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static int check_test(HANDSHAKE_RESULT result, SSL_TEST_CTX *test_ctx)
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{
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int ret = 1;
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ret &= check_result(result, test_ctx);
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ret &= check_alerts(result, test_ctx);
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if (result.result == SSL_TEST_SUCCESS)
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ret &= check_protocol(result, test_ctx);
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return ret;
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}
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static int execute_test(SSL_TEST_FIXTURE fixture)
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{
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int ret = 0;
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SSL_CTX *server_ctx = NULL, *client_ctx = NULL;
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SSL_TEST_CTX *test_ctx = NULL;
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HANDSHAKE_RESULT result;
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server_ctx = SSL_CTX_new(TLS_server_method());
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client_ctx = SSL_CTX_new(TLS_client_method());
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OPENSSL_assert(server_ctx != NULL && client_ctx != NULL);
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OPENSSL_assert(CONF_modules_load(conf, fixture.test_app, 0) > 0);
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if (!SSL_CTX_config(server_ctx, "server")
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|| !SSL_CTX_config(client_ctx, "client")) {
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goto err;
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}
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test_ctx = SSL_TEST_CTX_create(conf, fixture.test_app);
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if (test_ctx == NULL)
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goto err;
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result = do_handshake(server_ctx, client_ctx);
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ret = check_test(result, test_ctx);
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err:
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CONF_modules_unload(0);
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SSL_CTX_free(server_ctx);
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SSL_CTX_free(client_ctx);
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SSL_TEST_CTX_free(test_ctx);
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if (ret != 1)
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ERR_print_errors_fp(stderr);
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return ret;
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}
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static void tear_down(SSL_TEST_FIXTURE fixture)
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{
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}
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#define SETUP_SSL_TEST_FIXTURE() \
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SETUP_TEST_FIXTURE(SSL_TEST_FIXTURE, set_up)
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#define EXECUTE_SSL_TEST() \
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EXECUTE_TEST(execute_test, tear_down)
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static int test_handshake(int idx)
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{
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SETUP_SSL_TEST_FIXTURE();
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BIO_snprintf(fixture.test_app, sizeof(fixture.test_app),
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"test-%d", idx);
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EXECUTE_SSL_TEST();
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}
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int main(int argc, char **argv)
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{
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int result = 0;
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long num_tests;
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if (argc != 2)
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return 1;
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conf = NCONF_new(NULL);
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OPENSSL_assert(conf != NULL);
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/* argv[1] should point to the test conf file */
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OPENSSL_assert(NCONF_load(conf, argv[1], NULL) > 0);
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OPENSSL_assert(NCONF_get_number_e(conf, NULL, "num_tests", &num_tests));
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ADD_ALL_TESTS(test_handshake, (int)(num_tests));
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result = run_tests(argv[0]);
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CONF_modules_free();
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return result;
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}
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