1/*
2 * Copyright 2016-2020 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License").  You may not use
5 * this file except in compliance with the License.  You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10/*
11 * Ideally, CONF should offer standard parsing methods and cover them
12 * in tests. But since we have no CONF tests, we use a custom test for now.
13 */
14
15#include <stdio.h>
16#include <string.h>
17
18#include "internal/nelem.h"
19#include "helpers/ssl_test_ctx.h"
20#include "testutil.h"
21#include <openssl/e_os2.h>
22#include <openssl/err.h>
23#include <openssl/conf.h>
24#include <openssl/ssl.h>
25
26static CONF *conf = NULL;
27
28typedef struct ssl_test_ctx_test_fixture {
29    const char *test_case_name;
30    const char *test_section;
31    /* Expected parsed configuration. */
32    SSL_TEST_CTX *expected_ctx;
33} SSL_TEST_CTX_TEST_FIXTURE;
34
35
36static int clientconf_eq(SSL_TEST_CLIENT_CONF *conf1,
37                         SSL_TEST_CLIENT_CONF *conf2)
38{
39    if (!TEST_int_eq(conf1->verify_callback, conf2->verify_callback)
40            || !TEST_int_eq(conf1->servername, conf2->servername)
41            || !TEST_str_eq(conf1->npn_protocols, conf2->npn_protocols)
42            || !TEST_str_eq(conf1->alpn_protocols, conf2->alpn_protocols)
43            || !TEST_int_eq(conf1->ct_validation, conf2->ct_validation)
44            || !TEST_int_eq(conf1->max_fragment_len_mode,
45                            conf2->max_fragment_len_mode))
46        return 0;
47    return 1;
48}
49
50static int serverconf_eq(SSL_TEST_SERVER_CONF *serv,
51                         SSL_TEST_SERVER_CONF *serv2)
52{
53    if (!TEST_int_eq(serv->servername_callback, serv2->servername_callback)
54            || !TEST_str_eq(serv->npn_protocols, serv2->npn_protocols)
55            || !TEST_str_eq(serv->alpn_protocols, serv2->alpn_protocols)
56            || !TEST_int_eq(serv->broken_session_ticket,
57                            serv2->broken_session_ticket)
58            || !TEST_str_eq(serv->session_ticket_app_data,
59                            serv2->session_ticket_app_data)
60            || !TEST_int_eq(serv->cert_status, serv2->cert_status))
61        return 0;
62    return 1;
63}
64
65static int extraconf_eq(SSL_TEST_EXTRA_CONF *extra,
66                        SSL_TEST_EXTRA_CONF *extra2)
67{
68    if (!TEST_true(clientconf_eq(&extra->client, &extra2->client))
69            || !TEST_true(serverconf_eq(&extra->server, &extra2->server))
70            || !TEST_true(serverconf_eq(&extra->server2, &extra2->server2)))
71        return 0;
72    return 1;
73}
74
75static int testctx_eq(SSL_TEST_CTX *ctx, SSL_TEST_CTX *ctx2)
76{
77    if (!TEST_int_eq(ctx->method, ctx2->method)
78            || !TEST_int_eq(ctx->handshake_mode, ctx2->handshake_mode)
79            || !TEST_int_eq(ctx->app_data_size, ctx2->app_data_size)
80            || !TEST_int_eq(ctx->max_fragment_size, ctx2->max_fragment_size)
81            || !extraconf_eq(&ctx->extra, &ctx2->extra)
82            || !extraconf_eq(&ctx->resume_extra, &ctx2->resume_extra)
83            || !TEST_int_eq(ctx->expected_result, ctx2->expected_result)
84            || !TEST_int_eq(ctx->expected_client_alert,
85                            ctx2->expected_client_alert)
86            || !TEST_int_eq(ctx->expected_server_alert,
87                            ctx2->expected_server_alert)
88            || !TEST_int_eq(ctx->expected_protocol, ctx2->expected_protocol)
89            || !TEST_int_eq(ctx->expected_servername, ctx2->expected_servername)
90            || !TEST_int_eq(ctx->session_ticket_expected,
91                            ctx2->session_ticket_expected)
92            || !TEST_int_eq(ctx->compression_expected,
93                            ctx2->compression_expected)
94            || !TEST_str_eq(ctx->expected_npn_protocol,
95                            ctx2->expected_npn_protocol)
96            || !TEST_str_eq(ctx->expected_alpn_protocol,
97                            ctx2->expected_alpn_protocol)
98            || !TEST_str_eq(ctx->expected_cipher,
99                            ctx2->expected_cipher)
100            || !TEST_str_eq(ctx->expected_session_ticket_app_data,
101                            ctx2->expected_session_ticket_app_data)
102            || !TEST_int_eq(ctx->resumption_expected,
103                            ctx2->resumption_expected)
104            || !TEST_int_eq(ctx->session_id_expected,
105                            ctx2->session_id_expected))
106        return 0;
107    return 1;
108}
109
110static SSL_TEST_CTX_TEST_FIXTURE *set_up(const char *const test_case_name)
111{
112    SSL_TEST_CTX_TEST_FIXTURE *fixture;
113
114    if (!TEST_ptr(fixture = OPENSSL_zalloc(sizeof(*fixture))))
115        return NULL;
116    fixture->test_case_name = test_case_name;
117    if (!TEST_ptr(fixture->expected_ctx = SSL_TEST_CTX_new(NULL))) {
118        OPENSSL_free(fixture);
119        return NULL;
120    }
121    return fixture;
122}
123
124static int execute_test(SSL_TEST_CTX_TEST_FIXTURE *fixture)
125{
126    int success = 0;
127    SSL_TEST_CTX *ctx;
128
129    if (!TEST_ptr(ctx = SSL_TEST_CTX_create(conf, fixture->test_section,
130                                            fixture->expected_ctx->libctx))
131            || !testctx_eq(ctx, fixture->expected_ctx))
132        goto err;
133
134    success = 1;
135 err:
136    SSL_TEST_CTX_free(ctx);
137    return success;
138}
139
140static void tear_down(SSL_TEST_CTX_TEST_FIXTURE *fixture)
141{
142    SSL_TEST_CTX_free(fixture->expected_ctx);
143    OPENSSL_free(fixture);
144}
145
146#define SETUP_SSL_TEST_CTX_TEST_FIXTURE() \
147    SETUP_TEST_FIXTURE(SSL_TEST_CTX_TEST_FIXTURE, set_up);
148#define EXECUTE_SSL_TEST_CTX_TEST() \
149    EXECUTE_TEST(execute_test, tear_down)
150
151static int test_empty_configuration(void)
152{
153    SETUP_SSL_TEST_CTX_TEST_FIXTURE();
154    fixture->test_section = "ssltest_default";
155    fixture->expected_ctx->expected_result = SSL_TEST_SUCCESS;
156    EXECUTE_SSL_TEST_CTX_TEST();
157    return result;
158}
159
160static int test_good_configuration(void)
161{
162    SETUP_SSL_TEST_CTX_TEST_FIXTURE();
163    fixture->test_section = "ssltest_good";
164    fixture->expected_ctx->method = SSL_TEST_METHOD_DTLS;
165    fixture->expected_ctx->handshake_mode = SSL_TEST_HANDSHAKE_RESUME;
166    fixture->expected_ctx->app_data_size = 1024;
167    fixture->expected_ctx->max_fragment_size = 2048;
168
169    fixture->expected_ctx->expected_result = SSL_TEST_SERVER_FAIL;
170    fixture->expected_ctx->expected_client_alert = SSL_AD_UNKNOWN_CA;
171    fixture->expected_ctx->expected_server_alert = 0;  /* No alert. */
172    fixture->expected_ctx->expected_protocol = TLS1_1_VERSION;
173    fixture->expected_ctx->expected_servername = SSL_TEST_SERVERNAME_SERVER2;
174    fixture->expected_ctx->session_ticket_expected = SSL_TEST_SESSION_TICKET_YES;
175    fixture->expected_ctx->compression_expected = SSL_TEST_COMPRESSION_NO;
176    fixture->expected_ctx->session_id_expected = SSL_TEST_SESSION_ID_IGNORE;
177    fixture->expected_ctx->resumption_expected = 1;
178
179    fixture->expected_ctx->extra.client.verify_callback =
180        SSL_TEST_VERIFY_REJECT_ALL;
181    fixture->expected_ctx->extra.client.servername = SSL_TEST_SERVERNAME_SERVER2;
182    fixture->expected_ctx->extra.client.npn_protocols =
183        OPENSSL_strdup("foo,bar");
184    if (!TEST_ptr(fixture->expected_ctx->extra.client.npn_protocols))
185        goto err;
186    fixture->expected_ctx->extra.client.max_fragment_len_mode = 0;
187
188    fixture->expected_ctx->extra.server.servername_callback =
189        SSL_TEST_SERVERNAME_IGNORE_MISMATCH;
190    fixture->expected_ctx->extra.server.broken_session_ticket = 1;
191
192    fixture->expected_ctx->resume_extra.server2.alpn_protocols =
193        OPENSSL_strdup("baz");
194    if (!TEST_ptr(fixture->expected_ctx->resume_extra.server2.alpn_protocols))
195        goto err;
196
197    fixture->expected_ctx->resume_extra.client.ct_validation =
198        SSL_TEST_CT_VALIDATION_STRICT;
199
200    EXECUTE_SSL_TEST_CTX_TEST();
201    return result;
202
203err:
204    tear_down(fixture);
205    return 0;
206}
207
208static const char *bad_configurations[] = {
209    "ssltest_unknown_option",
210    "ssltest_wrong_section",
211    "ssltest_unknown_expected_result",
212    "ssltest_unknown_alert",
213    "ssltest_unknown_protocol",
214    "ssltest_unknown_verify_callback",
215    "ssltest_unknown_servername",
216    "ssltest_unknown_servername_callback",
217    "ssltest_unknown_session_ticket_expected",
218    "ssltest_unknown_compression_expected",
219    "ssltest_unknown_session_id_expected",
220    "ssltest_unknown_method",
221    "ssltest_unknown_handshake_mode",
222    "ssltest_unknown_resumption_expected",
223    "ssltest_unknown_ct_validation",
224    "ssltest_invalid_max_fragment_len",
225};
226
227static int test_bad_configuration(int idx)
228{
229    SSL_TEST_CTX *ctx;
230
231    if (!TEST_ptr_null(ctx = SSL_TEST_CTX_create(conf,
232                                                 bad_configurations[idx], NULL))) {
233        SSL_TEST_CTX_free(ctx);
234        return 0;
235    }
236
237    return 1;
238}
239
240OPT_TEST_DECLARE_USAGE("conf_file\n")
241
242int setup_tests(void)
243{
244    if (!test_skip_common_options()) {
245        TEST_error("Error parsing test options\n");
246        return 0;
247    }
248
249    if (!TEST_ptr(conf = NCONF_new(NULL)))
250        return 0;
251    /* argument should point to test/ssl_test_ctx_test.cnf */
252    if (!TEST_int_gt(NCONF_load(conf, test_get_argument(0), NULL), 0))
253        return 0;
254
255    ADD_TEST(test_empty_configuration);
256    ADD_TEST(test_good_configuration);
257    ADD_ALL_TESTS(test_bad_configuration, OSSL_NELEM(bad_configurations));
258    return 1;
259}
260
261void cleanup_tests(void)
262{
263    NCONF_free(conf);
264}
265