531 lines
18 KiB
C
531 lines
18 KiB
C
/*
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* Copyright 2016-2018 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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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 (!TEST_int_eq(result->result, test_ctx->expected_result)) {
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TEST_info("ExpectedResult mismatch: expected %s, got %s.",
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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 (!TEST_int_eq(result->client_alert_sent,
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result->client_alert_received)) {
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TEST_info("Client sent alert %s but server received %s.",
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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 (!TEST_int_eq(result->server_alert_sent,
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result->server_alert_received)) {
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TEST_info("Server sent alert %s but client received %s.",
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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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TEST_error("ClientAlert mismatch: expected %s, got %s.",
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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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TEST_error("ServerAlert mismatch: expected %s, got %s.",
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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 (!TEST_int_le(result->client_num_fatal_alerts_sent, 1))
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return 0;
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if (!TEST_int_le(result->server_num_fatal_alerts_sent, 1))
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return 0;
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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 (!TEST_int_eq(result->client_protocol, result->server_protocol)) {
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TEST_info("Client has protocol %s but server has %s.",
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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 (!TEST_int_eq(result->client_protocol,
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test_ctx->expected_protocol)) {
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TEST_info("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 (!TEST_int_eq(result->servername, test_ctx->expected_servername)) {
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TEST_info("Client ServerName mismatch, expected %s, got %s.",
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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 (!TEST_int_eq(result->session_ticket,
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test_ctx->session_ticket_expected)) {
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TEST_info("Client SessionTicketExpected mismatch, expected %s, got %s.",
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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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static int check_session_id(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx)
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{
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if (test_ctx->session_id_expected == SSL_TEST_SESSION_ID_IGNORE)
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return 1;
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if (!TEST_int_eq(result->session_id, test_ctx->session_id_expected)) {
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TEST_info("Client SessionIdExpected mismatch, expected %s, got %s\n.",
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ssl_session_id_name(test_ctx->session_id_expected),
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ssl_session_id_name(result->session_id));
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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_compression(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx)
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{
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if (!TEST_int_eq(result->compression, test_ctx->compression_expected))
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return 0;
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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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if (!TEST_str_eq(result->client_npn_negotiated,
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result->server_npn_negotiated))
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ret = 0;
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if (!TEST_str_eq(test_ctx->expected_npn_protocol,
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result->client_npn_negotiated))
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ret = 0;
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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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if (!TEST_str_eq(result->client_alpn_negotiated,
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result->server_alpn_negotiated))
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ret = 0;
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if (!TEST_str_eq(test_ctx->expected_alpn_protocol,
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result->client_alpn_negotiated))
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ret = 0;
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return ret;
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}
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static int check_session_ticket_app_data(HANDSHAKE_RESULT *result,
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SSL_TEST_CTX *test_ctx)
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{
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size_t result_len = 0;
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size_t expected_len = 0;
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/* consider empty and NULL strings to be the same */
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if (result->result_session_ticket_app_data != NULL)
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result_len = strlen(result->result_session_ticket_app_data);
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if (test_ctx->expected_session_ticket_app_data != NULL)
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expected_len = strlen(test_ctx->expected_session_ticket_app_data);
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if (result_len == 0 && expected_len == 0)
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return 1;
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if (!TEST_str_eq(result->result_session_ticket_app_data,
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test_ctx->expected_session_ticket_app_data))
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return 0;
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return 1;
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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 (!TEST_int_eq(result->client_resumed, result->server_resumed))
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return 0;
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if (!TEST_int_eq(result->client_resumed, test_ctx->resumption_expected))
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return 0;
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return 1;
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}
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static int check_nid(const char *name, int expected_nid, int nid)
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{
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if (expected_nid == 0 || expected_nid == nid)
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return 1;
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TEST_error("%s type mismatch, %s vs %s\n",
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name, OBJ_nid2ln(expected_nid),
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nid == NID_undef ? "absent" : OBJ_nid2ln(nid));
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return 0;
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}
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static void print_ca_names(STACK_OF(X509_NAME) *names)
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{
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int i;
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if (names == NULL || sk_X509_NAME_num(names) == 0) {
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TEST_note(" <empty>");
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return;
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}
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for (i = 0; i < sk_X509_NAME_num(names); i++) {
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X509_NAME_print_ex(bio_err, sk_X509_NAME_value(names, i), 4,
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XN_FLAG_ONELINE);
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BIO_puts(bio_err, "\n");
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}
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}
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static int check_ca_names(const char *name,
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STACK_OF(X509_NAME) *expected_names,
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STACK_OF(X509_NAME) *names)
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{
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int i;
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if (expected_names == NULL)
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return 1;
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if (names == NULL || sk_X509_NAME_num(names) == 0) {
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if (TEST_int_eq(sk_X509_NAME_num(expected_names), 0))
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return 1;
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goto err;
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}
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if (sk_X509_NAME_num(names) != sk_X509_NAME_num(expected_names))
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goto err;
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for (i = 0; i < sk_X509_NAME_num(names); i++) {
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if (!TEST_int_eq(X509_NAME_cmp(sk_X509_NAME_value(names, i),
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sk_X509_NAME_value(expected_names, i)),
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0)) {
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goto err;
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}
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}
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return 1;
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err:
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TEST_info("%s: list mismatch", name);
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TEST_note("Expected Names:");
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print_ca_names(expected_names);
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TEST_note("Received Names:");
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print_ca_names(names);
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return 0;
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}
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static int check_tmp_key(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx)
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{
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return check_nid("Tmp key", test_ctx->expected_tmp_key_type,
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result->tmp_key_type);
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}
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static int check_server_cert_type(HANDSHAKE_RESULT *result,
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SSL_TEST_CTX *test_ctx)
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{
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return check_nid("Server certificate", test_ctx->expected_server_cert_type,
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result->server_cert_type);
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}
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static int check_server_sign_hash(HANDSHAKE_RESULT *result,
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SSL_TEST_CTX *test_ctx)
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{
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return check_nid("Server signing hash", test_ctx->expected_server_sign_hash,
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result->server_sign_hash);
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}
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static int check_server_sign_type(HANDSHAKE_RESULT *result,
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SSL_TEST_CTX *test_ctx)
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{
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return check_nid("Server signing", test_ctx->expected_server_sign_type,
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result->server_sign_type);
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}
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static int check_server_ca_names(HANDSHAKE_RESULT *result,
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SSL_TEST_CTX *test_ctx)
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{
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return check_ca_names("Server CA names",
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test_ctx->expected_server_ca_names,
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result->server_ca_names);
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}
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static int check_client_cert_type(HANDSHAKE_RESULT *result,
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SSL_TEST_CTX *test_ctx)
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{
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return check_nid("Client certificate", test_ctx->expected_client_cert_type,
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result->client_cert_type);
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}
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static int check_client_sign_hash(HANDSHAKE_RESULT *result,
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SSL_TEST_CTX *test_ctx)
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{
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return check_nid("Client signing hash", test_ctx->expected_client_sign_hash,
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result->client_sign_hash);
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}
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static int check_client_sign_type(HANDSHAKE_RESULT *result,
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SSL_TEST_CTX *test_ctx)
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{
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return check_nid("Client signing", test_ctx->expected_client_sign_type,
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result->client_sign_type);
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}
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static int check_client_ca_names(HANDSHAKE_RESULT *result,
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SSL_TEST_CTX *test_ctx)
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{
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return check_ca_names("Client CA names",
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test_ctx->expected_client_ca_names,
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result->client_ca_names);
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}
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static int check_cipher(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx)
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{
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if (test_ctx->expected_cipher == NULL)
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return 1;
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if (!TEST_ptr(result->cipher))
|
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return 0;
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if (!TEST_str_eq(test_ctx->expected_cipher,
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result->cipher))
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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 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 &= check_compression(result, test_ctx);
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ret &= check_session_id(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_cipher(result, test_ctx);
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ret &= check_alpn(result, test_ctx);
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ret &= check_session_ticket_app_data(result, test_ctx);
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ret &= check_resumption(result, test_ctx);
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ret &= check_tmp_key(result, test_ctx);
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ret &= check_server_cert_type(result, test_ctx);
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ret &= check_server_sign_hash(result, test_ctx);
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ret &= check_server_sign_type(result, test_ctx);
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ret &= check_server_ca_names(result, test_ctx);
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ret &= check_client_cert_type(result, test_ctx);
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ret &= check_client_sign_hash(result, test_ctx);
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ret &= check_client_sign_type(result, test_ctx);
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ret &= check_client_ca_names(result, test_ctx);
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|
}
|
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return ret;
|
|
}
|
|
|
|
static int test_handshake(int idx)
|
|
{
|
|
int ret = 0;
|
|
SSL_CTX *server_ctx = NULL, *server2_ctx = NULL, *client_ctx = NULL,
|
|
*resume_server_ctx = NULL, *resume_client_ctx = NULL;
|
|
SSL_TEST_CTX *test_ctx = NULL;
|
|
HANDSHAKE_RESULT *result = NULL;
|
|
char test_app[MAX_TESTCASE_NAME_LENGTH];
|
|
|
|
BIO_snprintf(test_app, sizeof(test_app), "test-%d", idx);
|
|
|
|
test_ctx = SSL_TEST_CTX_create(conf, test_app);
|
|
if (!TEST_ptr(test_ctx))
|
|
goto err;
|
|
|
|
#ifndef OPENSSL_NO_DTLS
|
|
if (test_ctx->method == SSL_TEST_METHOD_DTLS) {
|
|
server_ctx = SSL_CTX_new(DTLS_server_method());
|
|
if (!TEST_true(SSL_CTX_set_max_proto_version(server_ctx,
|
|
DTLS_MAX_VERSION)))
|
|
goto err;
|
|
if (test_ctx->extra.server.servername_callback !=
|
|
SSL_TEST_SERVERNAME_CB_NONE) {
|
|
if (!TEST_ptr(server2_ctx = SSL_CTX_new(DTLS_server_method())))
|
|
goto err;
|
|
}
|
|
client_ctx = SSL_CTX_new(DTLS_client_method());
|
|
if (!TEST_true(SSL_CTX_set_max_proto_version(client_ctx,
|
|
DTLS_MAX_VERSION)))
|
|
goto err;
|
|
if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RESUME) {
|
|
resume_server_ctx = SSL_CTX_new(DTLS_server_method());
|
|
if (!TEST_true(SSL_CTX_set_max_proto_version(resume_server_ctx,
|
|
DTLS_MAX_VERSION)))
|
|
goto err;
|
|
resume_client_ctx = SSL_CTX_new(DTLS_client_method());
|
|
if (!TEST_true(SSL_CTX_set_max_proto_version(resume_client_ctx,
|
|
DTLS_MAX_VERSION)))
|
|
goto err;
|
|
if (!TEST_ptr(resume_server_ctx)
|
|
|| !TEST_ptr(resume_client_ctx))
|
|
goto err;
|
|
}
|
|
}
|
|
#endif
|
|
if (test_ctx->method == SSL_TEST_METHOD_TLS) {
|
|
server_ctx = SSL_CTX_new(TLS_server_method());
|
|
if (!TEST_true(SSL_CTX_set_max_proto_version(server_ctx,
|
|
TLS_MAX_VERSION)))
|
|
goto err;
|
|
/* SNI on resumption isn't supported/tested yet. */
|
|
if (test_ctx->extra.server.servername_callback !=
|
|
SSL_TEST_SERVERNAME_CB_NONE) {
|
|
if (!TEST_ptr(server2_ctx = SSL_CTX_new(TLS_server_method())))
|
|
goto err;
|
|
if (!TEST_true(SSL_CTX_set_max_proto_version(server2_ctx,
|
|
TLS_MAX_VERSION)))
|
|
goto err;
|
|
}
|
|
client_ctx = SSL_CTX_new(TLS_client_method());
|
|
if (!TEST_true(SSL_CTX_set_max_proto_version(client_ctx,
|
|
TLS_MAX_VERSION)))
|
|
goto err;
|
|
|
|
if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RESUME) {
|
|
resume_server_ctx = SSL_CTX_new(TLS_server_method());
|
|
if (!TEST_true(SSL_CTX_set_max_proto_version(resume_server_ctx,
|
|
TLS_MAX_VERSION)))
|
|
goto err;
|
|
resume_client_ctx = SSL_CTX_new(TLS_client_method());
|
|
if (!TEST_true(SSL_CTX_set_max_proto_version(resume_client_ctx,
|
|
TLS_MAX_VERSION)))
|
|
goto err;
|
|
if (!TEST_ptr(resume_server_ctx)
|
|
|| !TEST_ptr(resume_client_ctx))
|
|
goto err;
|
|
}
|
|
}
|
|
|
|
#ifdef OPENSSL_NO_AUTOLOAD_CONFIG
|
|
if (!TEST_true(OPENSSL_init_ssl(OPENSSL_INIT_LOAD_CONFIG, NULL)))
|
|
goto err;
|
|
#endif
|
|
|
|
if (!TEST_ptr(server_ctx)
|
|
|| !TEST_ptr(client_ctx)
|
|
|| !TEST_int_gt(CONF_modules_load(conf, test_app, 0), 0))
|
|
goto err;
|
|
|
|
if (!SSL_CTX_config(server_ctx, "server")
|
|
|| !SSL_CTX_config(client_ctx, "client")) {
|
|
goto err;
|
|
}
|
|
|
|
if (server2_ctx != NULL && !SSL_CTX_config(server2_ctx, "server2"))
|
|
goto err;
|
|
if (resume_server_ctx != NULL
|
|
&& !SSL_CTX_config(resume_server_ctx, "resume-server"))
|
|
goto err;
|
|
if (resume_client_ctx != NULL
|
|
&& !SSL_CTX_config(resume_client_ctx, "resume-client"))
|
|
goto err;
|
|
|
|
result = do_handshake(server_ctx, server2_ctx, client_ctx,
|
|
resume_server_ctx, resume_client_ctx, test_ctx);
|
|
|
|
if (result != NULL)
|
|
ret = check_test(result, test_ctx);
|
|
|
|
err:
|
|
CONF_modules_unload(0);
|
|
SSL_CTX_free(server_ctx);
|
|
SSL_CTX_free(server2_ctx);
|
|
SSL_CTX_free(client_ctx);
|
|
SSL_CTX_free(resume_server_ctx);
|
|
SSL_CTX_free(resume_client_ctx);
|
|
SSL_TEST_CTX_free(test_ctx);
|
|
HANDSHAKE_RESULT_free(result);
|
|
return ret;
|
|
}
|
|
|
|
int setup_tests(void)
|
|
{
|
|
long num_tests;
|
|
|
|
if (!TEST_ptr(conf = NCONF_new(NULL))
|
|
/* argv[1] should point to the test conf file */
|
|
|| !TEST_int_gt(NCONF_load(conf, test_get_argument(0), NULL), 0)
|
|
|| !TEST_int_ne(NCONF_get_number_e(conf, NULL, "num_tests",
|
|
&num_tests), 0))
|
|
return 0;
|
|
|
|
ADD_ALL_TESTS(test_handshake, (int)num_tests);
|
|
return 1;
|
|
}
|
|
|
|
void cleanup_tests(void)
|
|
{
|
|
NCONF_free(conf);
|
|
}
|