1/*
2 * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (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 "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())) {
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            || !testctx_eq(ctx, fixture->expected_ctx))
131        goto err;
132
133    success = 1;
134 err:
135    SSL_TEST_CTX_free(ctx);
136    return success;
137}
138
139static void tear_down(SSL_TEST_CTX_TEST_FIXTURE *fixture)
140{
141    SSL_TEST_CTX_free(fixture->expected_ctx);
142    OPENSSL_free(fixture);
143}
144
145#define SETUP_SSL_TEST_CTX_TEST_FIXTURE() \
146    SETUP_TEST_FIXTURE(SSL_TEST_CTX_TEST_FIXTURE, set_up);
147#define EXECUTE_SSL_TEST_CTX_TEST() \
148    EXECUTE_TEST(execute_test, tear_down)
149
150static int test_empty_configuration(void)
151{
152    SETUP_SSL_TEST_CTX_TEST_FIXTURE();
153    if (fixture == NULL)
154        return 0;
155    fixture->test_section = "ssltest_default";
156    fixture->expected_ctx->expected_result = SSL_TEST_SUCCESS;
157    EXECUTE_SSL_TEST_CTX_TEST();
158    return result;
159}
160
161static int test_good_configuration(void)
162{
163    SETUP_SSL_TEST_CTX_TEST_FIXTURE();
164    if (fixture == NULL)
165        return 0;
166    fixture->test_section = "ssltest_good";
167    fixture->expected_ctx->method = SSL_TEST_METHOD_DTLS;
168    fixture->expected_ctx->handshake_mode = SSL_TEST_HANDSHAKE_RESUME;
169    fixture->expected_ctx->app_data_size = 1024;
170    fixture->expected_ctx->max_fragment_size = 2048;
171
172    fixture->expected_ctx->expected_result = SSL_TEST_SERVER_FAIL;
173    fixture->expected_ctx->expected_client_alert = SSL_AD_UNKNOWN_CA;
174    fixture->expected_ctx->expected_server_alert = 0;  /* No alert. */
175    fixture->expected_ctx->expected_protocol = TLS1_1_VERSION;
176    fixture->expected_ctx->expected_servername = SSL_TEST_SERVERNAME_SERVER2;
177    fixture->expected_ctx->session_ticket_expected = SSL_TEST_SESSION_TICKET_YES;
178    fixture->expected_ctx->compression_expected = SSL_TEST_COMPRESSION_NO;
179    fixture->expected_ctx->session_id_expected = SSL_TEST_SESSION_ID_IGNORE;
180    fixture->expected_ctx->resumption_expected = 1;
181
182    fixture->expected_ctx->extra.client.verify_callback =
183        SSL_TEST_VERIFY_REJECT_ALL;
184    fixture->expected_ctx->extra.client.servername = SSL_TEST_SERVERNAME_SERVER2;
185    fixture->expected_ctx->extra.client.npn_protocols =
186        OPENSSL_strdup("foo,bar");
187    if (!TEST_ptr(fixture->expected_ctx->extra.client.npn_protocols))
188        goto err;
189    fixture->expected_ctx->extra.client.max_fragment_len_mode = 0;
190
191    fixture->expected_ctx->extra.server.servername_callback =
192        SSL_TEST_SERVERNAME_IGNORE_MISMATCH;
193    fixture->expected_ctx->extra.server.broken_session_ticket = 1;
194
195    fixture->expected_ctx->resume_extra.server2.alpn_protocols =
196        OPENSSL_strdup("baz");
197    if (!TEST_ptr(fixture->expected_ctx->resume_extra.server2.alpn_protocols))
198        goto err;
199
200    fixture->expected_ctx->resume_extra.client.ct_validation =
201        SSL_TEST_CT_VALIDATION_STRICT;
202
203    EXECUTE_SSL_TEST_CTX_TEST();
204    return result;
205
206err:
207    tear_down(fixture);
208    return 0;
209}
210
211static const char *bad_configurations[] = {
212    "ssltest_unknown_option",
213    "ssltest_wrong_section",
214    "ssltest_unknown_expected_result",
215    "ssltest_unknown_alert",
216    "ssltest_unknown_protocol",
217    "ssltest_unknown_verify_callback",
218    "ssltest_unknown_servername",
219    "ssltest_unknown_servername_callback",
220    "ssltest_unknown_session_ticket_expected",
221    "ssltest_unknown_compression_expected",
222    "ssltest_unknown_session_id_expected",
223    "ssltest_unknown_method",
224    "ssltest_unknown_handshake_mode",
225    "ssltest_unknown_resumption_expected",
226    "ssltest_unknown_ct_validation",
227    "ssltest_invalid_max_fragment_len",
228};
229
230static int test_bad_configuration(int idx)
231{
232    SSL_TEST_CTX *ctx;
233
234    if (!TEST_ptr_null(ctx = SSL_TEST_CTX_create(conf,
235                                                 bad_configurations[idx]))) {
236        SSL_TEST_CTX_free(ctx);
237        return 0;
238    }
239
240    return 1;
241}
242
243int setup_tests(void)
244{
245    if (!TEST_ptr(conf = NCONF_new(NULL)))
246        return 0;
247    /* argument should point to test/ssl_test_ctx_test.conf */
248    if (!TEST_int_gt(NCONF_load(conf, test_get_argument(0), NULL), 0)) {
249        TEST_note("Missing file argument");
250        return 0;
251    }
252
253    ADD_TEST(test_empty_configuration);
254    ADD_TEST(test_good_configuration);
255    ADD_ALL_TESTS(test_bad_configuration, OSSL_NELEM(bad_configurations));
256    return 1;
257}
258
259void cleanup_tests(void)
260{
261    NCONF_free(conf);
262}
263