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      1 /*
      2  * Copyright 2016-2023 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_QUIC
     70 } ssl_test_method_t;
     71 
     72 typedef enum {
     73     SSL_TEST_HANDSHAKE_SIMPLE = 0, /* Default */
     74     SSL_TEST_HANDSHAKE_RESUME,
     75     SSL_TEST_HANDSHAKE_RENEG_SERVER,
     76     SSL_TEST_HANDSHAKE_RENEG_CLIENT,
     77     SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER,
     78     SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT,
     79     SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH
     80 } ssl_handshake_mode_t;
     81 
     82 typedef enum {
     83     SSL_TEST_CT_VALIDATION_NONE = 0, /* Default */
     84     SSL_TEST_CT_VALIDATION_PERMISSIVE,
     85     SSL_TEST_CT_VALIDATION_STRICT
     86 } ssl_ct_validation_t;
     87 
     88 typedef enum {
     89     SSL_TEST_CERT_STATUS_NONE = 0, /* Default */
     90     SSL_TEST_CERT_STATUS_GOOD_RESPONSE,
     91     SSL_TEST_CERT_STATUS_BAD_RESPONSE
     92 } ssl_cert_status_t;
     93 
     94 /*
     95  * Server/client settings that aren't supported by the SSL CONF library,
     96  * such as callbacks.
     97  */
     98 typedef struct {
     99     /* One of a number of predefined custom callbacks. */
    100     ssl_verify_callback_t verify_callback;
    101     /* One of a number of predefined server names use by the client */
    102     ssl_servername_t servername;
    103     /* Maximum Fragment Length extension mode */
    104     int max_fragment_len_mode;
    105     /* Supported NPN and ALPN protocols. A comma-separated list. */
    106     char *npn_protocols;
    107     char *alpn_protocols;
    108     ssl_ct_validation_t ct_validation;
    109     /* Ciphersuites to set on a renegotiation */
    110     char *reneg_ciphers;
    111     char *srp_user;
    112     char *srp_password;
    113     /* PHA enabled */
    114     int enable_pha;
    115     /* Do not send extms on renegotiation */
    116     int no_extms_on_reneg;
    117 } SSL_TEST_CLIENT_CONF;
    118 
    119 typedef struct {
    120     /* SNI callback (server-side). */
    121     ssl_servername_callback_t servername_callback;
    122     /* Supported NPN and ALPN protocols. A comma-separated list. */
    123     char *npn_protocols;
    124     char *alpn_protocols;
    125     /* Whether to set a broken session ticket callback. */
    126     int broken_session_ticket;
    127     /* Should we send a CertStatus message? */
    128     ssl_cert_status_t cert_status;
    129     /* An SRP user known to the server. */
    130     char *srp_user;
    131     char *srp_password;
    132     /* Forced PHA */
    133     int force_pha;
    134     char *session_ticket_app_data;
    135 } SSL_TEST_SERVER_CONF;
    136 
    137 typedef struct {
    138     SSL_TEST_CLIENT_CONF client;
    139     SSL_TEST_SERVER_CONF server;
    140     SSL_TEST_SERVER_CONF server2;
    141 } SSL_TEST_EXTRA_CONF;
    142 
    143 typedef struct {
    144     /*
    145      * Global test configuration. Does not change between handshakes.
    146      */
    147     /* Whether the server/client CTX should use DTLS or TLS. */
    148     ssl_test_method_t method;
    149     /* Whether to test a resumed/renegotiated handshake. */
    150     ssl_handshake_mode_t handshake_mode;
    151     /*
    152      * How much application data to exchange (default is 256 bytes).
    153      * Both peers will send |app_data_size| bytes interleaved.
    154      */
    155     int app_data_size;
    156     /* Maximum send fragment size. */
    157     int max_fragment_size;
    158     /* KeyUpdate type */
    159     int key_update_type;
    160 
    161     /*
    162      * Extra server/client configurations. Per-handshake.
    163      */
    164     /* First handshake. */
    165     SSL_TEST_EXTRA_CONF extra;
    166     /* Resumed handshake. */
    167     SSL_TEST_EXTRA_CONF resume_extra;
    168 
    169     /*
    170      * Test expectations. These apply to the LAST handshake.
    171      */
    172     /* Defaults to SUCCESS. */
    173     ssl_test_result_t expected_result;
    174     /* Alerts. 0 if no expectation. */
    175     /* See ssl.h for alert codes. */
    176     /* Alert sent by the client / received by the server. */
    177     int expected_client_alert;
    178     /* Alert sent by the server / received by the client. */
    179     int expected_server_alert;
    180     /* Negotiated protocol version. 0 if no expectation. */
    181     /* See ssl.h for protocol versions. */
    182     int expected_protocol;
    183     /*
    184      * The expected SNI context to use.
    185      * We test server-side that the server switched to the expected context.
    186      * Set by the callback upon success, so if the callback wasn't called or
    187      * terminated with an alert, the servername will match with
    188      * SSL_TEST_SERVERNAME_NONE.
    189      * Note: in the event that the servername was accepted, the client should
    190      * also receive an empty SNI extension back but we have no way of probing
    191      * client-side via the API that this was the case.
    192      */
    193     ssl_servername_t expected_servername;
    194     ssl_session_ticket_t session_ticket_expected;
    195     int compression_expected;
    196     /* The expected NPN/ALPN protocol to negotiate. */
    197     char *expected_npn_protocol;
    198     char *expected_alpn_protocol;
    199     /* Whether the second handshake is resumed or a full handshake (boolean). */
    200     int resumption_expected;
    201     /* Expected temporary key type */
    202     int expected_tmp_key_type;
    203     /* Expected server certificate key type */
    204     int expected_server_cert_type;
    205     /* Expected server signing hash */
    206     int expected_server_sign_hash;
    207     /* Expected server signature type */
    208     int expected_server_sign_type;
    209     /* Expected server CA names */
    210     STACK_OF(X509_NAME) *expected_server_ca_names;
    211     /* Expected client certificate key type */
    212     int expected_client_cert_type;
    213     /* Expected client signing hash */
    214     int expected_client_sign_hash;
    215     /* Expected client signature type */
    216     int expected_client_sign_type;
    217     /* Expected CA names for client auth */
    218     STACK_OF(X509_NAME) *expected_client_ca_names;
    219     /* Whether to use SCTP for the transport */
    220     int use_sctp;
    221     /* Whether to pre-compress server certificates */
    222     int compress_certificates;
    223     /* Enable SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG on client side */
    224     int enable_client_sctp_label_bug;
    225     /* Enable SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG on server side */
    226     int enable_server_sctp_label_bug;
    227     /* Whether to expect a session id from the server */
    228     ssl_session_id_t session_id_expected;
    229     char *expected_cipher;
    230     /* Expected Session Ticket Application Data */
    231     char *expected_session_ticket_app_data;
    232 
    233     OSSL_LIB_CTX *libctx;
    234 
    235     /* FIPS version string to check for compatibility */
    236     char *fips_version;
    237 } SSL_TEST_CTX;
    238 
    239 const char *ssl_test_result_name(ssl_test_result_t result);
    240 const char *ssl_alert_name(int alert);
    241 const char *ssl_protocol_name(int protocol);
    242 const char *ssl_verify_callback_name(ssl_verify_callback_t verify_callback);
    243 const char *ssl_servername_name(ssl_servername_t server);
    244 const char *ssl_servername_callback_name(ssl_servername_callback_t
    245         servername_callback);
    246 const char *ssl_session_ticket_name(ssl_session_ticket_t server);
    247 const char *ssl_session_id_name(ssl_session_id_t server);
    248 const char *ssl_test_method_name(ssl_test_method_t method);
    249 const char *ssl_handshake_mode_name(ssl_handshake_mode_t mode);
    250 const char *ssl_ct_validation_name(ssl_ct_validation_t mode);
    251 const char *ssl_certstatus_name(ssl_cert_status_t cert_status);
    252 const char *ssl_max_fragment_len_name(int MFL_mode);
    253 
    254 /*
    255  * Load the test case context from |conf|.
    256  * See test/README.ssltest.md for details on the conf file format.
    257  */
    258 SSL_TEST_CTX *SSL_TEST_CTX_create(const CONF *conf, const char *test_section,
    259     OSSL_LIB_CTX *libctx);
    260 
    261 SSL_TEST_CTX *SSL_TEST_CTX_new(OSSL_LIB_CTX *libctx);
    262 
    263 void SSL_TEST_CTX_free(SSL_TEST_CTX *ctx);
    264 
    265 #endif /* OSSL_TEST_SSL_TEST_CTX_H */
    266