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
26 static CONF *conf = NULL;
27
28 typedef 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
clientconf_eq(SSL_TEST_CLIENT_CONF * conf1,SSL_TEST_CLIENT_CONF * conf2)36 static 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
serverconf_eq(SSL_TEST_SERVER_CONF * serv,SSL_TEST_SERVER_CONF * serv2)50 static 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
extraconf_eq(SSL_TEST_EXTRA_CONF * extra,SSL_TEST_EXTRA_CONF * extra2)65 static 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
testctx_eq(SSL_TEST_CTX * ctx,SSL_TEST_CTX * ctx2)75 static 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
set_up(const char * const test_case_name)110 static 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
execute_test(SSL_TEST_CTX_TEST_FIXTURE * fixture)124 static 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
tear_down(SSL_TEST_CTX_TEST_FIXTURE * fixture)140 static 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
test_empty_configuration(void)151 static 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
test_good_configuration(void)160 static 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
203 err:
204 tear_down(fixture);
205 return 0;
206 }
207
208 static 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
test_bad_configuration(int idx)227 static 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
240 OPT_TEST_DECLARE_USAGE("conf_file\n")
241
setup_tests(void)242 int 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
cleanup_tests(void)261 void cleanup_tests(void)
262 {
263 NCONF_free(conf);
264 }
265