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1 /*
2  * Copyright 2016-2021 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 #ifndef OSSL_TEST_SSL_TEST_CTX_H
11 #define OSSL_TEST_SSL_TEST_CTX_H
12 
13 #include <openssl/conf.h>
14 #include <openssl/ssl.h>
15 
16 typedef enum {
17     SSL_TEST_SUCCESS = 0,  /* Default */
18     SSL_TEST_SERVER_FAIL,
19     SSL_TEST_CLIENT_FAIL,
20     SSL_TEST_INTERNAL_ERROR,
21     /* Couldn't test resumption/renegotiation: original handshake failed. */
22     SSL_TEST_FIRST_HANDSHAKE_FAILED
23 } ssl_test_result_t;
24 
25 typedef enum {
26     SSL_TEST_VERIFY_NONE = 0, /* Default */
27     SSL_TEST_VERIFY_ACCEPT_ALL,
28     SSL_TEST_VERIFY_RETRY_ONCE,
29     SSL_TEST_VERIFY_REJECT_ALL
30 } ssl_verify_callback_t;
31 
32 typedef enum {
33     SSL_TEST_SERVERNAME_NONE = 0, /* Default */
34     SSL_TEST_SERVERNAME_SERVER1,
35     SSL_TEST_SERVERNAME_SERVER2,
36     SSL_TEST_SERVERNAME_INVALID
37 } ssl_servername_t;
38 
39 typedef enum {
40     SSL_TEST_SERVERNAME_CB_NONE = 0,  /* Default */
41     SSL_TEST_SERVERNAME_IGNORE_MISMATCH,
42     SSL_TEST_SERVERNAME_REJECT_MISMATCH,
43     SSL_TEST_SERVERNAME_CLIENT_HELLO_IGNORE_MISMATCH,
44     SSL_TEST_SERVERNAME_CLIENT_HELLO_REJECT_MISMATCH,
45     SSL_TEST_SERVERNAME_CLIENT_HELLO_NO_V12
46 } ssl_servername_callback_t;
47 
48 typedef enum {
49     SSL_TEST_SESSION_TICKET_IGNORE = 0, /* Default */
50     SSL_TEST_SESSION_TICKET_YES,
51     SSL_TEST_SESSION_TICKET_NO,
52     SSL_TEST_SESSION_TICKET_BROKEN /* Special test */
53 } ssl_session_ticket_t;
54 
55 typedef enum {
56     SSL_TEST_COMPRESSION_NO = 0, /* Default */
57     SSL_TEST_COMPRESSION_YES
58 } ssl_compression_t;
59 
60 typedef enum {
61     SSL_TEST_SESSION_ID_IGNORE = 0, /* Default */
62     SSL_TEST_SESSION_ID_YES,
63     SSL_TEST_SESSION_ID_NO
64 } ssl_session_id_t;
65 
66 typedef enum {
67     SSL_TEST_METHOD_TLS = 0, /* Default */
68     SSL_TEST_METHOD_DTLS
69 } ssl_test_method_t;
70 
71 typedef enum {
72     SSL_TEST_HANDSHAKE_SIMPLE = 0, /* Default */
73     SSL_TEST_HANDSHAKE_RESUME,
74     SSL_TEST_HANDSHAKE_RENEG_SERVER,
75     SSL_TEST_HANDSHAKE_RENEG_CLIENT,
76     SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER,
77     SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT,
78     SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH
79 } ssl_handshake_mode_t;
80 
81 typedef enum {
82     SSL_TEST_CT_VALIDATION_NONE = 0, /* Default */
83     SSL_TEST_CT_VALIDATION_PERMISSIVE,
84     SSL_TEST_CT_VALIDATION_STRICT
85 } ssl_ct_validation_t;
86 
87 typedef enum {
88     SSL_TEST_CERT_STATUS_NONE = 0, /* Default */
89     SSL_TEST_CERT_STATUS_GOOD_RESPONSE,
90     SSL_TEST_CERT_STATUS_BAD_RESPONSE
91 } ssl_cert_status_t;
92 
93 /*
94  * Server/client settings that aren't supported by the SSL CONF library,
95  * such as callbacks.
96  */
97 typedef struct {
98     /* One of a number of predefined custom callbacks. */
99     ssl_verify_callback_t verify_callback;
100     /* One of a number of predefined server names use by the client */
101     ssl_servername_t servername;
102     /* Maximum Fragment Length extension mode */
103     int max_fragment_len_mode;
104     /* Supported NPN and ALPN protocols. A comma-separated list. */
105     char *npn_protocols;
106     char *alpn_protocols;
107     ssl_ct_validation_t ct_validation;
108     /* Ciphersuites to set on a renegotiation */
109     char *reneg_ciphers;
110     char *srp_user;
111     char *srp_password;
112     /* PHA enabled */
113     int enable_pha;
114     /* Do not send extms on renegotiation */
115     int no_extms_on_reneg;
116 } SSL_TEST_CLIENT_CONF;
117 
118 typedef struct {
119     /* SNI callback (server-side). */
120     ssl_servername_callback_t servername_callback;
121     /* Supported NPN and ALPN protocols. A comma-separated list. */
122     char *npn_protocols;
123     char *alpn_protocols;
124     /* Whether to set a broken session ticket callback. */
125     int broken_session_ticket;
126     /* Should we send a CertStatus message? */
127     ssl_cert_status_t cert_status;
128     /* An SRP user known to the server. */
129     char *srp_user;
130     char *srp_password;
131     /* Forced PHA */
132     int force_pha;
133     char *session_ticket_app_data;
134 } SSL_TEST_SERVER_CONF;
135 
136 typedef struct {
137     SSL_TEST_CLIENT_CONF client;
138     SSL_TEST_SERVER_CONF server;
139     SSL_TEST_SERVER_CONF server2;
140 } SSL_TEST_EXTRA_CONF;
141 
142 typedef struct {
143     /*
144      * Global test configuration. Does not change between handshakes.
145      */
146     /* Whether the server/client CTX should use DTLS or TLS. */
147     ssl_test_method_t method;
148     /* Whether to test a resumed/renegotiated handshake. */
149     ssl_handshake_mode_t handshake_mode;
150     /*
151      * How much application data to exchange (default is 256 bytes).
152      * Both peers will send |app_data_size| bytes interleaved.
153      */
154     int app_data_size;
155     /* Maximum send fragment size. */
156     int max_fragment_size;
157     /* KeyUpdate type */
158     int key_update_type;
159 
160     /*
161      * Extra server/client configurations. Per-handshake.
162      */
163     /* First handshake. */
164     SSL_TEST_EXTRA_CONF extra;
165     /* Resumed handshake. */
166     SSL_TEST_EXTRA_CONF resume_extra;
167 
168     /*
169      * Test expectations. These apply to the LAST handshake.
170      */
171     /* Defaults to SUCCESS. */
172     ssl_test_result_t expected_result;
173     /* Alerts. 0 if no expectation. */
174     /* See ssl.h for alert codes. */
175     /* Alert sent by the client / received by the server. */
176     int expected_client_alert;
177     /* Alert sent by the server / received by the client. */
178     int expected_server_alert;
179     /* Negotiated protocol version. 0 if no expectation. */
180     /* See ssl.h for protocol versions. */
181     int expected_protocol;
182     /*
183      * The expected SNI context to use.
184      * We test server-side that the server switched to the expected context.
185      * Set by the callback upon success, so if the callback wasn't called or
186      * terminated with an alert, the servername will match with
187      * SSL_TEST_SERVERNAME_NONE.
188      * Note: in the event that the servername was accepted, the client should
189      * also receive an empty SNI extension back but we have no way of probing
190      * client-side via the API that this was the case.
191      */
192     ssl_servername_t expected_servername;
193     ssl_session_ticket_t session_ticket_expected;
194     int compression_expected;
195     /* The expected NPN/ALPN protocol to negotiate. */
196     char *expected_npn_protocol;
197     char *expected_alpn_protocol;
198     /* Whether the second handshake is resumed or a full handshake (boolean). */
199     int resumption_expected;
200     /* Expected temporary key type */
201     int expected_tmp_key_type;
202     /* Expected server certificate key type */
203     int expected_server_cert_type;
204     /* Expected server signing hash */
205     int expected_server_sign_hash;
206     /* Expected server signature type */
207     int expected_server_sign_type;
208     /* Expected server CA names */
209     STACK_OF(X509_NAME) *expected_server_ca_names;
210     /* Expected client certificate key type */
211     int expected_client_cert_type;
212     /* Expected client signing hash */
213     int expected_client_sign_hash;
214     /* Expected client signature type */
215     int expected_client_sign_type;
216     /* Expected CA names for client auth */
217     STACK_OF(X509_NAME) *expected_client_ca_names;
218     /* Whether to use SCTP for the transport */
219     int use_sctp;
220     /* Enable SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG on client side */
221     int enable_client_sctp_label_bug;
222     /* Enable SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG on server side */
223     int enable_server_sctp_label_bug;
224     /* Whether to expect a session id from the server */
225     ssl_session_id_t session_id_expected;
226     char *expected_cipher;
227     /* Expected Session Ticket Application Data */
228     char *expected_session_ticket_app_data;
229 
230     OSSL_LIB_CTX *libctx;
231 } SSL_TEST_CTX;
232 
233 const char *ssl_test_result_name(ssl_test_result_t result);
234 const char *ssl_alert_name(int alert);
235 const char *ssl_protocol_name(int protocol);
236 const char *ssl_verify_callback_name(ssl_verify_callback_t verify_callback);
237 const char *ssl_servername_name(ssl_servername_t server);
238 const char *ssl_servername_callback_name(ssl_servername_callback_t
239                                          servername_callback);
240 const char *ssl_session_ticket_name(ssl_session_ticket_t server);
241 const char *ssl_session_id_name(ssl_session_id_t server);
242 const char *ssl_test_method_name(ssl_test_method_t method);
243 const char *ssl_handshake_mode_name(ssl_handshake_mode_t mode);
244 const char *ssl_ct_validation_name(ssl_ct_validation_t mode);
245 const char *ssl_certstatus_name(ssl_cert_status_t cert_status);
246 const char *ssl_max_fragment_len_name(int MFL_mode);
247 
248 /*
249  * Load the test case context from |conf|.
250  * See test/README.ssltest.md for details on the conf file format.
251  */
252 SSL_TEST_CTX *SSL_TEST_CTX_create(const CONF *conf, const char *test_section,
253                                   OSSL_LIB_CTX *libctx);
254 
255 SSL_TEST_CTX *SSL_TEST_CTX_new(OSSL_LIB_CTX *libctx);
256 
257 void SSL_TEST_CTX_free(SSL_TEST_CTX *ctx);
258 
259 #endif  /* OSSL_TEST_SSL_TEST_CTX_H */
260