xref: /openssl/test/ssl_test_ctx_test.c (revision 20f8bc72)
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