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e364c3b24e
Simple tests only need to implement register_tests(). Tests that need a custom main() should implement test_main(). This will be wrapped in a main() that performs common setup/teardown (currently crypto-mdebug). Note that for normal development, enable-asan is usually sufficient for detecting leaks, and more versatile. enable-crypto-mdebug is stricter as it will also insist that all static variables be freed. This is useful for debugging library init/deinit; however, it also means that test_main() must free everything it allocates. Reviewed-by: Richard Levitte <levitte@openssl.org> Reviewed-by: Rich Salz <rsalz@openssl.org>
322 lines
11 KiB
C
322 lines
11 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 license (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 <stdio.h>
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#include <string.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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#include "test_main_custom.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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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_name(test_ctx->expected_result),
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ssl_test_result_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->expected_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->expected_client_alert) {
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fprintf(stderr, "ClientAlert mismatch: expected %s, got %s.\n",
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print_alert(test_ctx->expected_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->expected_server_alert
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&& (result->server_alert_sent & 0xff) != test_ctx->expected_server_alert) {
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fprintf(stderr, "ServerAlert mismatch: expected %s, got %s.\n",
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print_alert(test_ctx->expected_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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if (result->client_num_fatal_alerts_sent > 1) {
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fprintf(stderr, "Client sent %d fatal alerts.\n",
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result->client_num_fatal_alerts_sent);
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return 0;
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}
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if (result->server_num_fatal_alerts_sent > 1) {
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fprintf(stderr, "Server sent %d alerts.\n",
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result->server_num_fatal_alerts_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->expected_protocol) {
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if (result->client_protocol != test_ctx->expected_protocol) {
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fprintf(stderr, "Protocol mismatch: expected %s, got %s.\n",
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ssl_protocol_name(test_ctx->expected_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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static int check_servername(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx)
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{
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if (result->servername != test_ctx->expected_servername) {
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fprintf(stderr, "Client ServerName mismatch, expected %s, got %s\n.",
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ssl_servername_name(test_ctx->expected_servername),
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ssl_servername_name(result->servername));
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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_session_ticket(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx)
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{
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if (test_ctx->session_ticket_expected == SSL_TEST_SESSION_TICKET_IGNORE)
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return 1;
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if (result->session_ticket != test_ctx->session_ticket_expected) {
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fprintf(stderr, "Client SessionTicketExpected mismatch, expected %s, got %s\n.",
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ssl_session_ticket_name(test_ctx->session_ticket_expected),
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ssl_session_ticket_name(result->session_ticket));
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return 0;
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}
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return 1;
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}
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#ifndef OPENSSL_NO_NEXTPROTONEG
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static int check_npn(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx)
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{
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int ret = 1;
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ret &= strings_equal("NPN Negotiated (client vs server)",
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result->client_npn_negotiated,
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result->server_npn_negotiated);
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ret &= strings_equal("ExpectedNPNProtocol",
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test_ctx->expected_npn_protocol,
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result->client_npn_negotiated);
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return ret;
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}
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#endif
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static int check_alpn(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx)
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{
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int ret = 1;
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ret &= strings_equal("ALPN Negotiated (client vs server)",
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result->client_alpn_negotiated,
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result->server_alpn_negotiated);
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ret &= strings_equal("ExpectedALPNProtocol",
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test_ctx->expected_alpn_protocol,
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result->client_alpn_negotiated);
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return ret;
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}
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static int check_resumption(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx)
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{
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if (result->client_resumed != result->server_resumed) {
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fprintf(stderr, "Resumption mismatch (client vs server): %d vs %d\n",
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result->client_resumed, result->server_resumed);
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return 0;
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}
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if (result->client_resumed != test_ctx->resumption_expected) {
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fprintf(stderr, "ResumptionExpected mismatch: %d vs %d\n",
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test_ctx->resumption_expected, result->client_resumed);
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return 0;
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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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ret &= check_servername(result, test_ctx);
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ret &= check_session_ticket(result, test_ctx);
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ret &= (result->session_ticket_do_not_call == 0);
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#ifndef OPENSSL_NO_NEXTPROTONEG
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ret &= check_npn(result, test_ctx);
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#endif
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ret &= check_alpn(result, test_ctx);
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ret &= check_resumption(result, test_ctx);
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}
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return ret;
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}
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static int test_handshake(int idx)
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{
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int ret = 0;
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SSL_CTX *server_ctx = NULL, *server2_ctx = NULL, *client_ctx = NULL,
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*resume_server_ctx = NULL, *resume_client_ctx = NULL;
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SSL_TEST_CTX *test_ctx = NULL;
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HANDSHAKE_RESULT *result = NULL;
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char test_app[MAX_TESTCASE_NAME_LENGTH];
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BIO_snprintf(test_app, sizeof(test_app), "test-%d", idx);
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test_ctx = SSL_TEST_CTX_create(conf, test_app);
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if (test_ctx == NULL)
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goto err;
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#ifndef OPENSSL_NO_DTLS
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if (test_ctx->method == SSL_TEST_METHOD_DTLS) {
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server_ctx = SSL_CTX_new(DTLS_server_method());
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if (test_ctx->extra.server.servername_callback !=
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SSL_TEST_SERVERNAME_CB_NONE) {
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server2_ctx = SSL_CTX_new(DTLS_server_method());
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TEST_check(server2_ctx != NULL);
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}
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client_ctx = SSL_CTX_new(DTLS_client_method());
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if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RESUME) {
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resume_server_ctx = SSL_CTX_new(DTLS_server_method());
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resume_client_ctx = SSL_CTX_new(DTLS_client_method());
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TEST_check(resume_server_ctx != NULL);
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TEST_check(resume_client_ctx != NULL);
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}
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}
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#endif
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if (test_ctx->method == SSL_TEST_METHOD_TLS) {
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server_ctx = SSL_CTX_new(TLS_server_method());
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/* SNI on resumption isn't supported/tested yet. */
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if (test_ctx->extra.server.servername_callback !=
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SSL_TEST_SERVERNAME_CB_NONE) {
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server2_ctx = SSL_CTX_new(TLS_server_method());
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TEST_check(server2_ctx != NULL);
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}
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client_ctx = SSL_CTX_new(TLS_client_method());
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if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RESUME) {
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resume_server_ctx = SSL_CTX_new(TLS_server_method());
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resume_client_ctx = SSL_CTX_new(TLS_client_method());
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TEST_check(resume_server_ctx != NULL);
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TEST_check(resume_client_ctx != NULL);
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}
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}
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TEST_check(server_ctx != NULL);
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TEST_check(client_ctx != NULL);
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TEST_check(CONF_modules_load(conf, 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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if (server2_ctx != NULL && !SSL_CTX_config(server2_ctx, "server2"))
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goto err;
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if (resume_server_ctx != NULL
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&& !SSL_CTX_config(resume_server_ctx, "resume-server"))
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goto err;
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if (resume_client_ctx != NULL
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&& !SSL_CTX_config(resume_client_ctx, "resume-client"))
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goto err;
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result = do_handshake(server_ctx, server2_ctx, client_ctx,
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resume_server_ctx, resume_client_ctx, test_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(server2_ctx);
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SSL_CTX_free(client_ctx);
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SSL_CTX_free(resume_server_ctx);
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SSL_CTX_free(resume_client_ctx);
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SSL_TEST_CTX_free(test_ctx);
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HANDSHAKE_RESULT_free(result);
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return ret;
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}
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int test_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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TEST_check(conf != NULL);
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/* argv[1] should point to the test conf file */
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TEST_check(NCONF_load(conf, argv[1], NULL) > 0);
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TEST_check(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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NCONF_free(conf);
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return result;
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}
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