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
clientconf_eq(SSL_TEST_CLIENT_CONF * conf1,SSL_TEST_CLIENT_CONF * conf2)35 static int clientconf_eq(SSL_TEST_CLIENT_CONF *conf1,
36 SSL_TEST_CLIENT_CONF *conf2)
37 {
38 if (!TEST_int_eq(conf1->verify_callback, conf2->verify_callback)
39 || !TEST_int_eq(conf1->servername, conf2->servername)
40 || !TEST_str_eq(conf1->npn_protocols, conf2->npn_protocols)
41 || !TEST_str_eq(conf1->alpn_protocols, conf2->alpn_protocols)
42 || !TEST_int_eq(conf1->ct_validation, conf2->ct_validation)
43 || !TEST_int_eq(conf1->max_fragment_len_mode,
44 conf2->max_fragment_len_mode))
45 return 0;
46 return 1;
47 }
48
serverconf_eq(SSL_TEST_SERVER_CONF * serv,SSL_TEST_SERVER_CONF * serv2)49 static int serverconf_eq(SSL_TEST_SERVER_CONF *serv,
50 SSL_TEST_SERVER_CONF *serv2)
51 {
52 if (!TEST_int_eq(serv->servername_callback, serv2->servername_callback)
53 || !TEST_str_eq(serv->npn_protocols, serv2->npn_protocols)
54 || !TEST_str_eq(serv->alpn_protocols, serv2->alpn_protocols)
55 || !TEST_int_eq(serv->broken_session_ticket,
56 serv2->broken_session_ticket)
57 || !TEST_str_eq(serv->session_ticket_app_data,
58 serv2->session_ticket_app_data)
59 || !TEST_int_eq(serv->cert_status, serv2->cert_status))
60 return 0;
61 return 1;
62 }
63
extraconf_eq(SSL_TEST_EXTRA_CONF * extra,SSL_TEST_EXTRA_CONF * extra2)64 static int extraconf_eq(SSL_TEST_EXTRA_CONF *extra,
65 SSL_TEST_EXTRA_CONF *extra2)
66 {
67 if (!TEST_true(clientconf_eq(&extra->client, &extra2->client))
68 || !TEST_true(serverconf_eq(&extra->server, &extra2->server))
69 || !TEST_true(serverconf_eq(&extra->server2, &extra2->server2)))
70 return 0;
71 return 1;
72 }
73
testctx_eq(SSL_TEST_CTX * ctx,SSL_TEST_CTX * ctx2)74 static int testctx_eq(SSL_TEST_CTX *ctx, SSL_TEST_CTX *ctx2)
75 {
76 if (!TEST_int_eq(ctx->method, ctx2->method)
77 || !TEST_int_eq(ctx->handshake_mode, ctx2->handshake_mode)
78 || !TEST_int_eq(ctx->app_data_size, ctx2->app_data_size)
79 || !TEST_int_eq(ctx->max_fragment_size, ctx2->max_fragment_size)
80 || !extraconf_eq(&ctx->extra, &ctx2->extra)
81 || !extraconf_eq(&ctx->resume_extra, &ctx2->resume_extra)
82 || !TEST_int_eq(ctx->expected_result, ctx2->expected_result)
83 || !TEST_int_eq(ctx->expected_client_alert,
84 ctx2->expected_client_alert)
85 || !TEST_int_eq(ctx->expected_server_alert,
86 ctx2->expected_server_alert)
87 || !TEST_int_eq(ctx->expected_protocol, ctx2->expected_protocol)
88 || !TEST_int_eq(ctx->expected_servername, ctx2->expected_servername)
89 || !TEST_int_eq(ctx->session_ticket_expected,
90 ctx2->session_ticket_expected)
91 || !TEST_int_eq(ctx->compression_expected,
92 ctx2->compression_expected)
93 || !TEST_str_eq(ctx->expected_npn_protocol,
94 ctx2->expected_npn_protocol)
95 || !TEST_str_eq(ctx->expected_alpn_protocol,
96 ctx2->expected_alpn_protocol)
97 || !TEST_str_eq(ctx->expected_cipher,
98 ctx2->expected_cipher)
99 || !TEST_str_eq(ctx->expected_session_ticket_app_data,
100 ctx2->expected_session_ticket_app_data)
101 || !TEST_int_eq(ctx->resumption_expected,
102 ctx2->resumption_expected)
103 || !TEST_int_eq(ctx->session_id_expected,
104 ctx2->session_id_expected))
105 return 0;
106 return 1;
107 }
108
set_up(const char * const test_case_name)109 static SSL_TEST_CTX_TEST_FIXTURE *set_up(const char *const test_case_name)
110 {
111 SSL_TEST_CTX_TEST_FIXTURE *fixture;
112
113 if (!TEST_ptr(fixture = OPENSSL_zalloc(sizeof(*fixture))))
114 return NULL;
115 fixture->test_case_name = test_case_name;
116 if (!TEST_ptr(fixture->expected_ctx = SSL_TEST_CTX_new(NULL))) {
117 OPENSSL_free(fixture);
118 return NULL;
119 }
120 return fixture;
121 }
122
execute_test(SSL_TEST_CTX_TEST_FIXTURE * fixture)123 static int execute_test(SSL_TEST_CTX_TEST_FIXTURE *fixture)
124 {
125 int success = 0;
126 SSL_TEST_CTX *ctx;
127
128 if (!TEST_ptr(ctx = SSL_TEST_CTX_create(conf, fixture->test_section,
129 fixture->expected_ctx->libctx))
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
tear_down(SSL_TEST_CTX_TEST_FIXTURE * fixture)139 static 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
test_empty_configuration(void)150 static int test_empty_configuration(void)
151 {
152 SETUP_SSL_TEST_CTX_TEST_FIXTURE();
153 fixture->test_section = "ssltest_default";
154 fixture->expected_ctx->expected_result = SSL_TEST_SUCCESS;
155 EXECUTE_SSL_TEST_CTX_TEST();
156 return result;
157 }
158
test_good_configuration(void)159 static int test_good_configuration(void)
160 {
161 SETUP_SSL_TEST_CTX_TEST_FIXTURE();
162 fixture->test_section = "ssltest_good";
163 fixture->expected_ctx->method = SSL_TEST_METHOD_DTLS;
164 fixture->expected_ctx->handshake_mode = SSL_TEST_HANDSHAKE_RESUME;
165 fixture->expected_ctx->app_data_size = 1024;
166 fixture->expected_ctx->max_fragment_size = 2048;
167
168 fixture->expected_ctx->expected_result = SSL_TEST_SERVER_FAIL;
169 fixture->expected_ctx->expected_client_alert = SSL_AD_UNKNOWN_CA;
170 fixture->expected_ctx->expected_server_alert = 0; /* No alert. */
171 fixture->expected_ctx->expected_protocol = TLS1_1_VERSION;
172 fixture->expected_ctx->expected_servername = SSL_TEST_SERVERNAME_SERVER2;
173 fixture->expected_ctx->session_ticket_expected = SSL_TEST_SESSION_TICKET_YES;
174 fixture->expected_ctx->compression_expected = SSL_TEST_COMPRESSION_NO;
175 fixture->expected_ctx->session_id_expected = SSL_TEST_SESSION_ID_IGNORE;
176 fixture->expected_ctx->resumption_expected = 1;
177
178 fixture->expected_ctx->extra.client.verify_callback = SSL_TEST_VERIFY_REJECT_ALL;
179 fixture->expected_ctx->extra.client.servername = SSL_TEST_SERVERNAME_SERVER2;
180 fixture->expected_ctx->extra.client.npn_protocols = OPENSSL_strdup("foo,bar");
181 if (!TEST_ptr(fixture->expected_ctx->extra.client.npn_protocols))
182 goto err;
183 fixture->expected_ctx->extra.client.max_fragment_len_mode = 0;
184
185 fixture->expected_ctx->extra.server.servername_callback = SSL_TEST_SERVERNAME_IGNORE_MISMATCH;
186 fixture->expected_ctx->extra.server.broken_session_ticket = 1;
187
188 fixture->expected_ctx->resume_extra.server2.alpn_protocols = OPENSSL_strdup("baz");
189 if (!TEST_ptr(fixture->expected_ctx->resume_extra.server2.alpn_protocols))
190 goto err;
191
192 fixture->expected_ctx->resume_extra.client.ct_validation = SSL_TEST_CT_VALIDATION_STRICT;
193
194 EXECUTE_SSL_TEST_CTX_TEST();
195 return result;
196
197 err:
198 tear_down(fixture);
199 return 0;
200 }
201
202 static const char *bad_configurations[] = {
203 "ssltest_unknown_option",
204 "ssltest_wrong_section",
205 "ssltest_unknown_expected_result",
206 "ssltest_unknown_alert",
207 "ssltest_unknown_protocol",
208 "ssltest_unknown_verify_callback",
209 "ssltest_unknown_servername",
210 "ssltest_unknown_servername_callback",
211 "ssltest_unknown_session_ticket_expected",
212 "ssltest_unknown_compression_expected",
213 "ssltest_unknown_session_id_expected",
214 "ssltest_unknown_method",
215 "ssltest_unknown_handshake_mode",
216 "ssltest_unknown_resumption_expected",
217 "ssltest_unknown_ct_validation",
218 "ssltest_invalid_max_fragment_len",
219 };
220
test_bad_configuration(int idx)221 static int test_bad_configuration(int idx)
222 {
223 SSL_TEST_CTX *ctx;
224
225 if (!TEST_ptr_null(ctx = SSL_TEST_CTX_create(conf,
226 bad_configurations[idx], NULL))) {
227 SSL_TEST_CTX_free(ctx);
228 return 0;
229 }
230
231 return 1;
232 }
233
234 OPT_TEST_DECLARE_USAGE("conf_file\n")
235
setup_tests(void)236 int setup_tests(void)
237 {
238 if (!test_skip_common_options()) {
239 TEST_error("Error parsing test options\n");
240 return 0;
241 }
242
243 if (!TEST_ptr(conf = NCONF_new(NULL)))
244 return 0;
245 /* argument should point to test/ssl_test_ctx_test.cnf */
246 if (!TEST_int_gt(NCONF_load(conf, test_get_argument(0), NULL), 0))
247 return 0;
248
249 ADD_TEST(test_empty_configuration);
250 ADD_TEST(test_good_configuration);
251 ADD_ALL_TESTS(test_bad_configuration, OSSL_NELEM(bad_configurations));
252 return 1;
253 }
254
cleanup_tests(void)255 void cleanup_tests(void)
256 {
257 NCONF_free(conf);
258 }
259