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openssl/test/ssl_test.c
Tomas Mraz 08e4901298 Add a test_ssl_new testcase 
This requires some code being pulled into the empty protocol
implementation so the state machinery works.

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18307)
2022-06-03 12:07:18 +10:00

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/*
* Copyright 2016-2021 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include <string.h>
#include <openssl/conf.h>
#include <openssl/err.h>
#include <openssl/ssl.h>
#include <openssl/provider.h>
#ifndef OPENSSL_NO_QUIC
#include <openssl/quic.h>
#endif
#include "helpers/handshake.h"
#include "helpers/ssl_test_ctx.h"
#include "testutil.h"
static CONF *conf = NULL;
static OSSL_PROVIDER *defctxnull = NULL, *thisprov = NULL;
static OSSL_LIB_CTX *libctx = NULL;
/* Currently the section names are of the form test-<number>, e.g. test-15. */
#define MAX_TESTCASE_NAME_LENGTH 100
static const char *print_alert(int alert)
{
return alert ? SSL_alert_desc_string_long(alert) : "no alert";
}
static int check_result(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx)
{
if (!TEST_int_eq(result->result, test_ctx->expected_result)) {
TEST_info("ExpectedResult mismatch: expected %s, got %s.",
ssl_test_result_name(test_ctx->expected_result),
ssl_test_result_name(result->result));
return 0;
}
return 1;
}
static int check_alerts(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx)
{
if (!TEST_int_eq(result->client_alert_sent,
result->client_alert_received)) {
TEST_info("Client sent alert %s but server received %s.",
print_alert(result->client_alert_sent),
print_alert(result->client_alert_received));
/*
* We can't bail here because the peer doesn't always get far enough
* to process a received alert. Specifically, in protocol version
* negotiation tests, we have the following scenario.
* Client supports TLS v1.2 only; Server supports TLS v1.1.
* Client proposes TLS v1.2; server responds with 1.1;
* Client now sends a protocol alert, using TLS v1.2 in the header.
* The server, however, rejects the alert because of version mismatch
* in the record layer; therefore, the server appears to never
* receive the alert.
*/
/* return 0; */
}
if (!TEST_int_eq(result->server_alert_sent,
result->server_alert_received)) {
TEST_info("Server sent alert %s but client received %s.",
print_alert(result->server_alert_sent),
print_alert(result->server_alert_received));
/* return 0; */
}
/* Tolerate an alert if one wasn't explicitly specified in the test. */
if (test_ctx->expected_client_alert
/*
* The info callback alert value is computed as
* (s->s3->send_alert[0] << 8) | s->s3->send_alert[1]
* where the low byte is the alert code and the high byte is other stuff.
*/
&& (result->client_alert_sent & 0xff) != test_ctx->expected_client_alert) {
TEST_error("ClientAlert mismatch: expected %s, got %s.",
print_alert(test_ctx->expected_client_alert),
print_alert(result->client_alert_sent));
return 0;
}
if (test_ctx->expected_server_alert
&& (result->server_alert_sent & 0xff) != test_ctx->expected_server_alert) {
TEST_error("ServerAlert mismatch: expected %s, got %s.",
print_alert(test_ctx->expected_server_alert),
print_alert(result->server_alert_sent));
return 0;
}
if (!TEST_int_le(result->client_num_fatal_alerts_sent, 1))
return 0;
if (!TEST_int_le(result->server_num_fatal_alerts_sent, 1))
return 0;
return 1;
}
static int check_protocol(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx)
{
if (!TEST_int_eq(result->client_protocol, result->server_protocol)) {
TEST_info("Client has protocol %s but server has %s.",
ssl_protocol_name(result->client_protocol),
ssl_protocol_name(result->server_protocol));
return 0;
}
if (test_ctx->expected_protocol) {
if (!TEST_int_eq(result->client_protocol,
test_ctx->expected_protocol)) {
TEST_info("Protocol mismatch: expected %s, got %s.\n",
ssl_protocol_name(test_ctx->expected_protocol),
ssl_protocol_name(result->client_protocol));
return 0;
}
}
return 1;
}
static int check_servername(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx)
{
if (!TEST_int_eq(result->servername, test_ctx->expected_servername)) {
TEST_info("Client ServerName mismatch, expected %s, got %s.",
ssl_servername_name(test_ctx->expected_servername),
ssl_servername_name(result->servername));
return 0;
}
return 1;
}
static int check_session_ticket(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx)
{
if (test_ctx->session_ticket_expected == SSL_TEST_SESSION_TICKET_IGNORE)
return 1;
if (!TEST_int_eq(result->session_ticket,
test_ctx->session_ticket_expected)) {
TEST_info("Client SessionTicketExpected mismatch, expected %s, got %s.",
ssl_session_ticket_name(test_ctx->session_ticket_expected),
ssl_session_ticket_name(result->session_ticket));
return 0;
}
return 1;
}
static int check_session_id(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx)
{
if (test_ctx->session_id_expected == SSL_TEST_SESSION_ID_IGNORE)
return 1;
if (!TEST_int_eq(result->session_id, test_ctx->session_id_expected)) {
TEST_info("Client SessionIdExpected mismatch, expected %s, got %s\n.",
ssl_session_id_name(test_ctx->session_id_expected),
ssl_session_id_name(result->session_id));
return 0;
}
return 1;
}
static int check_compression(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx)
{
if (!TEST_int_eq(result->compression, test_ctx->compression_expected))
return 0;
return 1;
}
#ifndef OPENSSL_NO_NEXTPROTONEG
static int check_npn(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx)
{
int ret = 1;
if (!TEST_str_eq(result->client_npn_negotiated,
result->server_npn_negotiated))
ret = 0;
if (!TEST_str_eq(test_ctx->expected_npn_protocol,
result->client_npn_negotiated))
ret = 0;
return ret;
}
#endif
static int check_alpn(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx)
{
int ret = 1;
if (!TEST_str_eq(result->client_alpn_negotiated,
result->server_alpn_negotiated))
ret = 0;
if (!TEST_str_eq(test_ctx->expected_alpn_protocol,
result->client_alpn_negotiated))
ret = 0;
return ret;
}
static int check_session_ticket_app_data(HANDSHAKE_RESULT *result,
SSL_TEST_CTX *test_ctx)
{
size_t result_len = 0;
size_t expected_len = 0;
/* consider empty and NULL strings to be the same */
if (result->result_session_ticket_app_data != NULL)
result_len = strlen(result->result_session_ticket_app_data);
if (test_ctx->expected_session_ticket_app_data != NULL)
expected_len = strlen(test_ctx->expected_session_ticket_app_data);
if (result_len == 0 && expected_len == 0)
return 1;
if (!TEST_str_eq(result->result_session_ticket_app_data,
test_ctx->expected_session_ticket_app_data))
return 0;
return 1;
}
static int check_resumption(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx)
{
if (!TEST_int_eq(result->client_resumed, result->server_resumed))
return 0;
if (!TEST_int_eq(result->client_resumed, test_ctx->resumption_expected))
return 0;
return 1;
}
static int check_nid(const char *name, int expected_nid, int nid)
{
if (expected_nid == 0 || expected_nid == nid)
return 1;
TEST_error("%s type mismatch, %s vs %s\n",
name, OBJ_nid2ln(expected_nid),
nid == NID_undef ? "absent" : OBJ_nid2ln(nid));
return 0;
}
static void print_ca_names(STACK_OF(X509_NAME) *names)
{
int i;
if (names == NULL || sk_X509_NAME_num(names) == 0) {
TEST_note(" <empty>");
return;
}
for (i = 0; i < sk_X509_NAME_num(names); i++) {
X509_NAME_print_ex(bio_err, sk_X509_NAME_value(names, i), 4,
XN_FLAG_ONELINE);
BIO_puts(bio_err, "\n");
}
}
static int check_ca_names(const char *name,
STACK_OF(X509_NAME) *expected_names,
STACK_OF(X509_NAME) *names)
{
int i;
if (expected_names == NULL)
return 1;
if (names == NULL || sk_X509_NAME_num(names) == 0) {
if (TEST_int_eq(sk_X509_NAME_num(expected_names), 0))
return 1;
goto err;
}
if (sk_X509_NAME_num(names) != sk_X509_NAME_num(expected_names))
goto err;
for (i = 0; i < sk_X509_NAME_num(names); i++) {
if (!TEST_int_eq(X509_NAME_cmp(sk_X509_NAME_value(names, i),
sk_X509_NAME_value(expected_names, i)),
0)) {
goto err;
}
}
return 1;
err:
TEST_info("%s: list mismatch", name);
TEST_note("Expected Names:");
print_ca_names(expected_names);
TEST_note("Received Names:");
print_ca_names(names);
return 0;
}
static int check_tmp_key(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx)
{
return check_nid("Tmp key", test_ctx->expected_tmp_key_type,
result->tmp_key_type);
}
static int check_server_cert_type(HANDSHAKE_RESULT *result,
SSL_TEST_CTX *test_ctx)
{
return check_nid("Server certificate", test_ctx->expected_server_cert_type,
result->server_cert_type);
}
static int check_server_sign_hash(HANDSHAKE_RESULT *result,
SSL_TEST_CTX *test_ctx)
{
return check_nid("Server signing hash", test_ctx->expected_server_sign_hash,
result->server_sign_hash);
}
static int check_server_sign_type(HANDSHAKE_RESULT *result,
SSL_TEST_CTX *test_ctx)
{
return check_nid("Server signing", test_ctx->expected_server_sign_type,
result->server_sign_type);
}
static int check_server_ca_names(HANDSHAKE_RESULT *result,
SSL_TEST_CTX *test_ctx)
{
return check_ca_names("Server CA names",
test_ctx->expected_server_ca_names,
result->server_ca_names);
}
static int check_client_cert_type(HANDSHAKE_RESULT *result,
SSL_TEST_CTX *test_ctx)
{
return check_nid("Client certificate", test_ctx->expected_client_cert_type,
result->client_cert_type);
}
static int check_client_sign_hash(HANDSHAKE_RESULT *result,
SSL_TEST_CTX *test_ctx)
{
return check_nid("Client signing hash", test_ctx->expected_client_sign_hash,
result->client_sign_hash);
}
static int check_client_sign_type(HANDSHAKE_RESULT *result,
SSL_TEST_CTX *test_ctx)
{
return check_nid("Client signing", test_ctx->expected_client_sign_type,
result->client_sign_type);
}
static int check_client_ca_names(HANDSHAKE_RESULT *result,
SSL_TEST_CTX *test_ctx)
{
return check_ca_names("Client CA names",
test_ctx->expected_client_ca_names,
result->client_ca_names);
}
static int check_cipher(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx)
{
if (test_ctx->expected_cipher == NULL)
return 1;
if (!TEST_ptr(result->cipher))
return 0;
if (!TEST_str_eq(test_ctx->expected_cipher,
result->cipher))
return 0;
return 1;
}
/*
* This could be further simplified by constructing an expected
* HANDSHAKE_RESULT, and implementing comparison methods for
* its fields.
*/
static int check_test(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx)
{
int ret = 1;
ret &= check_result(result, test_ctx);
ret &= check_alerts(result, test_ctx);
if (result->result == SSL_TEST_SUCCESS) {
ret &= check_protocol(result, test_ctx);
ret &= check_servername(result, test_ctx);
ret &= check_session_ticket(result, test_ctx);
ret &= check_compression(result, test_ctx);
ret &= check_session_id(result, test_ctx);
ret &= (result->session_ticket_do_not_call == 0);
#ifndef OPENSSL_NO_NEXTPROTONEG
ret &= check_npn(result, test_ctx);
#endif
ret &= check_cipher(result, test_ctx);
ret &= check_alpn(result, test_ctx);
ret &= check_session_ticket_app_data(result, test_ctx);
ret &= check_resumption(result, test_ctx);
ret &= check_tmp_key(result, test_ctx);
ret &= check_server_cert_type(result, test_ctx);
ret &= check_server_sign_hash(result, test_ctx);
ret &= check_server_sign_type(result, test_ctx);
ret &= check_server_ca_names(result, test_ctx);
ret &= check_client_cert_type(result, test_ctx);
ret &= check_client_sign_hash(result, test_ctx);
ret &= check_client_sign_type(result, test_ctx);
ret &= check_client_ca_names(result, test_ctx);
}
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, libctx);
if (!TEST_ptr(test_ctx))
goto err;
#ifndef OPENSSL_NO_DTLS
if (test_ctx->method == SSL_TEST_METHOD_DTLS) {
server_ctx = SSL_CTX_new_ex(libctx, NULL, DTLS_server_method());
if (!TEST_true(SSL_CTX_set_options(server_ctx,
SSL_OP_ALLOW_CLIENT_RENEGOTIATION))
|| !TEST_true(SSL_CTX_set_max_proto_version(server_ctx, 0)))
goto err;
if (test_ctx->extra.server.servername_callback !=
SSL_TEST_SERVERNAME_CB_NONE) {
if (!TEST_ptr(server2_ctx =
SSL_CTX_new_ex(libctx, NULL, DTLS_server_method()))
|| !TEST_true(SSL_CTX_set_options(server2_ctx,
SSL_OP_ALLOW_CLIENT_RENEGOTIATION)))
goto err;
}
client_ctx = SSL_CTX_new_ex(libctx, NULL, DTLS_client_method());
if (!TEST_true(SSL_CTX_set_max_proto_version(client_ctx, 0)))
goto err;
if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RESUME) {
resume_server_ctx = SSL_CTX_new_ex(libctx, NULL,
DTLS_server_method());
if (!TEST_true(SSL_CTX_set_max_proto_version(resume_server_ctx, 0))
|| !TEST_true(SSL_CTX_set_options(resume_server_ctx,
SSL_OP_ALLOW_CLIENT_RENEGOTIATION)))
goto err;
resume_client_ctx = SSL_CTX_new_ex(libctx, NULL,
DTLS_client_method());
if (!TEST_true(SSL_CTX_set_max_proto_version(resume_client_ctx, 0)))
goto err;
if (!TEST_ptr(resume_server_ctx)
|| !TEST_ptr(resume_client_ctx))
goto err;
}
}
#endif
if (test_ctx->method == SSL_TEST_METHOD_TLS) {
#if !defined(OPENSSL_NO_TLS1_3) \
&& defined(OPENSSL_NO_EC) \
&& defined(OPENSSL_NO_DH)
/* Without ec or dh there are no built-in groups for TLSv1.3 */
int maxversion = TLS1_2_VERSION;
#else
int maxversion = 0;
#endif
server_ctx = SSL_CTX_new_ex(libctx, NULL, TLS_server_method());
if (!TEST_true(SSL_CTX_set_max_proto_version(server_ctx, maxversion))
|| !TEST_true(SSL_CTX_set_options(server_ctx,
SSL_OP_ALLOW_CLIENT_RENEGOTIATION)))
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_ex(libctx, NULL, TLS_server_method()))
|| !TEST_true(SSL_CTX_set_options(server2_ctx,
SSL_OP_ALLOW_CLIENT_RENEGOTIATION)))
goto err;
if (!TEST_true(SSL_CTX_set_max_proto_version(server2_ctx,
maxversion)))
goto err;
}
client_ctx = SSL_CTX_new_ex(libctx, NULL, TLS_client_method());
if (!TEST_true(SSL_CTX_set_max_proto_version(client_ctx, maxversion)))
goto err;
if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RESUME) {
resume_server_ctx = SSL_CTX_new_ex(libctx, NULL,
TLS_server_method());
if (!TEST_true(SSL_CTX_set_max_proto_version(resume_server_ctx,
maxversion))
|| !TEST_true(SSL_CTX_set_options(resume_server_ctx,
SSL_OP_ALLOW_CLIENT_RENEGOTIATION)))
goto err;
resume_client_ctx = SSL_CTX_new_ex(libctx, NULL,
TLS_client_method());
if (!TEST_true(SSL_CTX_set_max_proto_version(resume_client_ctx,
maxversion)))
goto err;
if (!TEST_ptr(resume_server_ctx)
|| !TEST_ptr(resume_client_ctx))
goto err;
}
}
#ifndef OPENSSL_NO_QUIC
if (test_ctx->method == SSL_TEST_METHOD_QUIC) {
server_ctx = SSL_CTX_new_ex(libctx, NULL, OSSL_QUIC_server_method());
if (test_ctx->extra.server.servername_callback !=
SSL_TEST_SERVERNAME_CB_NONE) {
if (!TEST_ptr(server2_ctx =
SSL_CTX_new_ex(libctx, NULL,
OSSL_QUIC_server_method())))
goto err;
}
client_ctx = SSL_CTX_new_ex(libctx, NULL, OSSL_QUIC_client_method());
if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RESUME) {
resume_server_ctx = SSL_CTX_new_ex(libctx, NULL,
OSSL_QUIC_server_method());
resume_client_ctx = SSL_CTX_new_ex(libctx, NULL,
OSSL_QUIC_client_method());
if (!TEST_ptr(resume_server_ctx)
|| !TEST_ptr(resume_client_ctx))
goto err;
}
}
#endif
#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;
}
#define USAGE "conf_file module_name [module_conf_file]\n"
OPT_TEST_DECLARE_USAGE(USAGE)
int setup_tests(void)
{
long num_tests;
if (!test_skip_common_options()) {
TEST_error("Error parsing test options\n");
return 0;
}
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)) {
TEST_error("usage: ssl_test %s", USAGE);
return 0;
}
if (!test_arg_libctx(&libctx, &defctxnull, &thisprov, 1, USAGE))
return 0;
ADD_ALL_TESTS(test_handshake, (int)num_tests);
return 1;
}
void cleanup_tests(void)
{
NCONF_free(conf);
OSSL_PROVIDER_unload(defctxnull);
OSSL_PROVIDER_unload(thisprov);
OSSL_LIB_CTX_free(libctx);
}
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