18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * SSL/TLS interface definition 334af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt * Copyright (c) 2004-2013, Jouni Malinen <j@w1.fi> 48d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 5c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * This software may be distributed under the terms of the BSD license. 6c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * See README for more details. 78d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 88d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 98d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef TLS_H 108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define TLS_H 118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct tls_connection; 138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct tls_keys { 158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *client_random; 168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t client_random_len; 178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *server_random; 188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t server_random_len; 198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtenum tls_event { 2204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt TLS_CERT_CHAIN_SUCCESS, 238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TLS_CERT_CHAIN_FAILURE, 2404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt TLS_PEER_CERTIFICATE, 2504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt TLS_ALERT 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Note: These are used as identifier with external programs and as such, the 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * values must not be changed. 318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtenum tls_fail_reason { 338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TLS_FAIL_UNSPECIFIED = 0, 348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TLS_FAIL_UNTRUSTED = 1, 358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TLS_FAIL_REVOKED = 2, 368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TLS_FAIL_NOT_YET_VALID = 3, 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TLS_FAIL_EXPIRED = 4, 388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TLS_FAIL_SUBJECT_MISMATCH = 5, 398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TLS_FAIL_ALTSUBJECT_MISMATCH = 6, 408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TLS_FAIL_BAD_CERTIFICATE = 7, 41051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt TLS_FAIL_SERVER_CHAIN_PROBE = 8, 422f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt TLS_FAIL_DOMAIN_SUFFIX_MISMATCH = 9, 432f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt TLS_FAIL_DOMAIN_MISMATCH = 10, 448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 462f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt 472f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt#define TLS_MAX_ALT_SUBJECT 10 482f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt 498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtunion tls_event_data { 508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct { 518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int depth; 528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *subject; 538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum tls_fail_reason reason; 548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *reason_txt; 558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *cert; 568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } cert_fail; 578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct { 598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int depth; 608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *subject; 618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *cert; 628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *hash; 638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t hash_len; 642f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt const char *altsubject[TLS_MAX_ALT_SUBJECT]; 652f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt int num_altsubject; 668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } peer_cert; 6704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 6804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct { 6904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt int is_local; 7004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const char *type; 7104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const char *description; 7204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } alert; 738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct tls_config { 768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *opensc_engine_path; 778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *pkcs11_engine_path; 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *pkcs11_module_path; 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int fips_mode; 801f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt int cert_in_cb; 816c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt const char *openssl_ciphers; 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void (*event_cb)(void *ctx, enum tls_event ev, 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt union tls_event_data *data); 858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void *cb_ctx; 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define TLS_CONN_ALLOW_SIGN_RSA_MD5 BIT(0) 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define TLS_CONN_DISABLE_TIME_CHECKS BIT(1) 9061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#define TLS_CONN_DISABLE_SESSION_TICKET BIT(2) 9134af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt#define TLS_CONN_REQUEST_OCSP BIT(3) 9234af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt#define TLS_CONN_REQUIRE_OCSP BIT(4) 9313ca8d8ea51a1aa5e24c6c956473a11b0c7daed4Dmitry Shmidt#define TLS_CONN_DISABLE_TLSv1_1 BIT(5) 9413ca8d8ea51a1aa5e24c6c956473a11b0c7daed4Dmitry Shmidt#define TLS_CONN_DISABLE_TLSv1_2 BIT(6) 956c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt#define TLS_CONN_EAP_FAST BIT(7) 968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * struct tls_connection_params - Parameters for TLS connection 998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @ca_cert: File or reference name for CA X.509 certificate in PEM or DER 1008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * format 1018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @ca_cert_blob: ca_cert as inlined data or %NULL if not used 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @ca_cert_blob_len: ca_cert_blob length 1038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @ca_path: Path to CA certificates (OpenSSL specific) 1048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @subject_match: String to match in the subject of the peer certificate or 1058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * %NULL to allow all subjects 1068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @altsubject_match: String to match in the alternative subject of the peer 1078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * certificate or %NULL to allow all alternative subjects 108051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt * @suffix_match: String to suffix match in the dNSName or CN of the peer 1092f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt * certificate or %NULL to allow all domain names. This may allow subdomains an 1102f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt * wildcard certificates. Each domain name label must have a full match. 1112f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt * @domain_match: String to match in the dNSName or CN of the peer 1122f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt * certificate or %NULL to allow all domain names. This requires a full, 1132f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt * case-insensitive match. 1148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @client_cert: File or reference name for client X.509 certificate in PEM or 1158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * DER format 1168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @client_cert_blob: client_cert as inlined data or %NULL if not used 1178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @client_cert_blob_len: client_cert_blob length 1188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @private_key: File or reference name for client private key in PEM or DER 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * format (traditional format (RSA PRIVATE KEY) or PKCS#8 (PRIVATE KEY) 1208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @private_key_blob: private_key as inlined data or %NULL if not used 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @private_key_blob_len: private_key_blob length 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @private_key_passwd: Passphrase for decrypted private key, %NULL if no 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * passphrase is used. 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @dh_file: File name for DH/DSA data in PEM format, or %NULL if not used 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @dh_blob: dh_file as inlined data or %NULL if not used 1268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @dh_blob_len: dh_blob length 1278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @engine: 1 = use engine (e.g., a smartcard) for private key operations 1288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * (this is OpenSSL specific for now) 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @engine_id: engine id string (this is OpenSSL specific for now) 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @ppin: pointer to the pin variable in the configuration 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * (this is OpenSSL specific for now) 1328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @key_id: the private key's id when using engine (this is OpenSSL 1338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * specific for now) 1348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @cert_id: the certificate's id when using engine 1358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @ca_cert_id: the CA certificate's id when using engine 1366c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * @openssl_ciphers: OpenSSL cipher configuration 1378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @flags: Parameter options (TLS_CONN_*) 13834af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt * @ocsp_stapling_response: DER encoded file with cached OCSP stapling response 13934af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt * or %NULL if OCSP is not enabled 1408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 1418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * TLS connection parameters to be configured with tls_connection_set_params() 1428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * and tls_global_set_params(). 1438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 1448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Certificates and private key can be configured either as a reference name 1458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * (file path or reference to certificate store) or by providing the same data 1468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * as a pointer to the data in memory. Only one option will be used for each 1478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * field. 1488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 1498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct tls_connection_params { 1508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *ca_cert; 1518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *ca_cert_blob; 1528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t ca_cert_blob_len; 1538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *ca_path; 1548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *subject_match; 1558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *altsubject_match; 156051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt const char *suffix_match; 1572f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt const char *domain_match; 1588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *client_cert; 1598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *client_cert_blob; 1608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t client_cert_blob_len; 1618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *private_key; 1628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *private_key_blob; 1638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t private_key_blob_len; 1648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *private_key_passwd; 1658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *dh_file; 1668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *dh_blob; 1678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t dh_blob_len; 1688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* OpenSSL specific variables */ 1708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int engine; 1718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *engine_id; 1728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *pin; 1738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *key_id; 1748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *cert_id; 1758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *ca_cert_id; 1766c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt const char *openssl_ciphers; 1778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int flags; 17934af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt const char *ocsp_stapling_response; 1808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 1818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 1848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_init - Initialize TLS library 1858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @conf: Configuration data for TLS library 1868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Context data to be used as tls_ctx in calls to other functions, 1878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * or %NULL on failure. 1888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 1898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Called once during program startup and once for each RSN pre-authentication 1908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * session. In other words, there can be two concurrent TLS contexts. If global 1918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * library initialization is needed (i.e., one that is shared between both 1928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * authentication types), the TLS library wrapper should maintain a reference 1938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * counter and do global initialization only when moving from 0 to 1 reference. 1948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 1958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid * tls_init(const struct tls_config *conf); 1968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 1988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_deinit - Deinitialize TLS library 1998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @tls_ctx: TLS context data from tls_init() 2008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 2018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Called once during program shutdown and once for each RSN pre-authentication 2028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * session. If global library deinitialization is needed (i.e., one that is 2038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * shared between both authentication types), the TLS library wrapper should 2048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * maintain a reference counter and do global deinitialization only when moving 2058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * from 1 to 0 references. 2068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid tls_deinit(void *tls_ctx); 2088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 2108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_get_errors - Process pending errors 2118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @tls_ctx: TLS context data from tls_init() 2128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Number of found error, 0 if no errors detected. 2138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 2148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Process all pending TLS errors. 2158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint tls_get_errors(void *tls_ctx); 2178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 2198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_connection_init - Initialize a new TLS connection 2208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @tls_ctx: TLS context data from tls_init() 2218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Connection context data, conn for other function calls 2228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct tls_connection * tls_connection_init(void *tls_ctx); 2248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 2268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_connection_deinit - Free TLS connection data 2278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @tls_ctx: TLS context data from tls_init() 2288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @conn: Connection context data from tls_connection_init() 2298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 2308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Release all resources allocated for TLS connection. 2318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid tls_connection_deinit(void *tls_ctx, struct tls_connection *conn); 2338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 2358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_connection_established - Has the TLS connection been completed? 2368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @tls_ctx: TLS context data from tls_init() 2378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @conn: Connection context data from tls_connection_init() 2388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 1 if TLS connection has been completed, 0 if not. 2398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint tls_connection_established(void *tls_ctx, struct tls_connection *conn); 2418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 2438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_connection_shutdown - Shutdown TLS connection 2448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @tls_ctx: TLS context data from tls_init() 2458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @conn: Connection context data from tls_connection_init() 2468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 2478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 2488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Shutdown current TLS connection without releasing all resources. New 2498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * connection can be started by using the same conn without having to call 2508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_connection_init() or setting certificates etc. again. The new 2518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * connection should try to use session resumption. 2528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint tls_connection_shutdown(void *tls_ctx, struct tls_connection *conn); 2548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtenum { 2561d755d025b206e22b06aeb322e25a79f98ca7777Dmitry Shmidt TLS_SET_PARAMS_ENGINE_PRV_BAD_PIN = -4, 2578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TLS_SET_PARAMS_ENGINE_PRV_VERIFY_FAILED = -3, 2588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TLS_SET_PARAMS_ENGINE_PRV_INIT_FAILED = -2 2598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 2608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 2628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_connection_set_params - Set TLS connection parameters 2638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @tls_ctx: TLS context data from tls_init() 2648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @conn: Connection context data from tls_connection_init() 2658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @params: Connection parameters 2668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure, 2671d755d025b206e22b06aeb322e25a79f98ca7777Dmitry Shmidt * TLS_SET_PARAMS_ENGINE_PRV_INIT_FAILED (-2) on error causing PKCS#11 engine 2681d755d025b206e22b06aeb322e25a79f98ca7777Dmitry Shmidt * failure, or 2698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * TLS_SET_PARAMS_ENGINE_PRV_VERIFY_FAILED (-3) on failure to verify the 2701d755d025b206e22b06aeb322e25a79f98ca7777Dmitry Shmidt * PKCS#11 engine private key, or 2711d755d025b206e22b06aeb322e25a79f98ca7777Dmitry Shmidt * TLS_SET_PARAMS_ENGINE_PRV_BAD_PIN (-4) on PIN error causing PKCS#11 engine 2721d755d025b206e22b06aeb322e25a79f98ca7777Dmitry Shmidt * failure. 2738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint __must_check 2758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttls_connection_set_params(void *tls_ctx, struct tls_connection *conn, 2768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct tls_connection_params *params); 2778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 2798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_global_set_params - Set TLS parameters for all TLS connection 2808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @tls_ctx: TLS context data from tls_init() 2818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @params: Global TLS parameters 2828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure, 2831d755d025b206e22b06aeb322e25a79f98ca7777Dmitry Shmidt * TLS_SET_PARAMS_ENGINE_PRV_INIT_FAILED (-2) on error causing PKCS#11 engine 2841d755d025b206e22b06aeb322e25a79f98ca7777Dmitry Shmidt * failure, or 2858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * TLS_SET_PARAMS_ENGINE_PRV_VERIFY_FAILED (-3) on failure to verify the 2861d755d025b206e22b06aeb322e25a79f98ca7777Dmitry Shmidt * PKCS#11 engine private key, or 2871d755d025b206e22b06aeb322e25a79f98ca7777Dmitry Shmidt * TLS_SET_PARAMS_ENGINE_PRV_BAD_PIN (-4) on PIN error causing PKCS#11 engine 2881d755d025b206e22b06aeb322e25a79f98ca7777Dmitry Shmidt * failure. 2898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint __must_check tls_global_set_params( 2918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void *tls_ctx, const struct tls_connection_params *params); 2928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 2948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_global_set_verify - Set global certificate verification options 2958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @tls_ctx: TLS context data from tls_init() 2968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @check_crl: 0 = do not verify CRLs, 1 = verify CRL for the user certificate, 2978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 2 = verify CRL for all certificates 2988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 2998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 3008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint __must_check tls_global_set_verify(void *tls_ctx, int check_crl); 3018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 3038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_connection_set_verify - Set certificate verification options 3048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @tls_ctx: TLS context data from tls_init() 3058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @conn: Connection context data from tls_connection_init() 3068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @verify_peer: 1 = verify peer certificate 3078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 3088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 3098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint __must_check tls_connection_set_verify(void *tls_ctx, 3108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct tls_connection *conn, 3118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int verify_peer); 3128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 314af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt * tls_connection_get_keys - Get random data from TLS connection 3158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @tls_ctx: TLS context data from tls_init() 3168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @conn: Connection context data from tls_connection_init() 317af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt * @keys: Structure of client/server random data (filled on success) 3188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 3198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 3208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint __must_check tls_connection_get_keys(void *tls_ctx, 3218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct tls_connection *conn, 3228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct tls_keys *keys); 3238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 3258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_connection_prf - Use TLS-PRF to derive keying material 3268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @tls_ctx: TLS context data from tls_init() 3278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @conn: Connection context data from tls_connection_init() 3288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @label: Label (e.g., description of the key) for PRF 3298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @server_random_first: seed is 0 = client_random|server_random, 3308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 1 = server_random|client_random 331af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt * @skip_keyblock: Skip TLS key block from the beginning of PRF output 3328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @out: Buffer for output data from TLS-PRF 3338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @out_len: Length of the output buffer 3348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 3358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 3368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is optional to implement if tls_connection_get_keys() provides 3378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * access to master secret and server/client random values. If these values are 3388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * not exported from the TLS library, tls_connection_prf() is required so that 3398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * further keying material can be derived from the master secret. If not 3408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * implemented, the function will still need to be defined, but it can just 3411f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * return -1. Example implementation of this function is in tls_prf_sha1_md5() 3428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * when it is called with seed set to client_random|server_random (or 3438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * server_random|client_random). 3448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 3458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint __must_check tls_connection_prf(void *tls_ctx, 3468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct tls_connection *conn, 3478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *label, 3488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int server_random_first, 349af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt int skip_keyblock, 3508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *out, size_t out_len); 3518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 3538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_connection_handshake - Process TLS handshake (client side) 3548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @tls_ctx: TLS context data from tls_init() 3558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @conn: Connection context data from tls_connection_init() 3568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @in_data: Input data from TLS server 3578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @appl_data: Pointer to application data pointer, or %NULL if dropped 3588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Output data, %NULL on failure 3598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 3608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * The caller is responsible for freeing the returned output data. If the final 3618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * handshake message includes application data, this is decrypted and 3628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * appl_data (if not %NULL) is set to point this data. The caller is 3638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * responsible for freeing appl_data. 3648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 3658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is used during TLS handshake. The first call is done with 3668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * in_data == %NULL and the library is expected to return ClientHello packet. 3678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This packet is then send to the server and a response from server is given 3688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * to TLS library by calling this function again with in_data pointing to the 3698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * TLS message from the server. 3708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 3718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * If the TLS handshake fails, this function may return %NULL. However, if the 3728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * TLS library has a TLS alert to send out, that should be returned as the 3738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * output data. In this case, tls_connection_get_failed() must return failure 3748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * (> 0). 3758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 3768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_connection_established() should return 1 once the TLS handshake has been 3778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * completed successfully. 3788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 3798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wpabuf * tls_connection_handshake(void *tls_ctx, 3808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct tls_connection *conn, 3818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *in_data, 3828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf **appl_data); 3838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3841f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtstruct wpabuf * tls_connection_handshake2(void *tls_ctx, 3851f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct tls_connection *conn, 3861f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const struct wpabuf *in_data, 3871f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct wpabuf **appl_data, 3881f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt int *more_data_needed); 3891f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 3918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_connection_server_handshake - Process TLS handshake (server side) 3928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @tls_ctx: TLS context data from tls_init() 3938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @conn: Connection context data from tls_connection_init() 3948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @in_data: Input data from TLS peer 3958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @appl_data: Pointer to application data pointer, or %NULL if dropped 3968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Output data, %NULL on failure 3978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 3988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * The caller is responsible for freeing the returned output data. 3998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 4008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wpabuf * tls_connection_server_handshake(void *tls_ctx, 4018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct tls_connection *conn, 4028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *in_data, 4038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf **appl_data); 4048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 4068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_connection_encrypt - Encrypt data into TLS tunnel 4078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @tls_ctx: TLS context data from tls_init() 4088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @conn: Connection context data from tls_connection_init() 4098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @in_data: Plaintext data to be encrypted 4108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Encrypted TLS data or %NULL on failure 4118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 4128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is used after TLS handshake has been completed successfully to 4138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * send data in the encrypted tunnel. The caller is responsible for freeing the 4148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * returned output data. 4158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 4168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wpabuf * tls_connection_encrypt(void *tls_ctx, 4178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct tls_connection *conn, 4188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *in_data); 4198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 4218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_connection_decrypt - Decrypt data from TLS tunnel 4228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @tls_ctx: TLS context data from tls_init() 4238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @conn: Connection context data from tls_connection_init() 4248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @in_data: Encrypted TLS data 4258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Decrypted TLS data or %NULL on failure 4268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 4278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is used after TLS handshake has been completed successfully to 4288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * receive data from the encrypted tunnel. The caller is responsible for 4298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * freeing the returned output data. 4308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 4318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wpabuf * tls_connection_decrypt(void *tls_ctx, 4328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct tls_connection *conn, 4338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *in_data); 4348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4351f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtstruct wpabuf * tls_connection_decrypt2(void *tls_ctx, 4361f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct tls_connection *conn, 4371f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const struct wpabuf *in_data, 4381f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt int *more_data_needed); 4391f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 4418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_connection_resumed - Was session resumption used 4428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @tls_ctx: TLS context data from tls_init() 4438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @conn: Connection context data from tls_connection_init() 4448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 1 if current session used session resumption, 0 if not 4458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 4468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint tls_connection_resumed(void *tls_ctx, struct tls_connection *conn); 4478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtenum { 4498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TLS_CIPHER_NONE, 4508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TLS_CIPHER_RC4_SHA /* 0x0005 */, 4518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TLS_CIPHER_AES128_SHA /* 0x002f */, 4528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TLS_CIPHER_RSA_DHE_AES128_SHA /* 0x0031 */, 4538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TLS_CIPHER_ANON_DH_AES128_SHA /* 0x0034 */ 4548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 4558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 4578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_connection_set_cipher_list - Configure acceptable cipher suites 4588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @tls_ctx: TLS context data from tls_init() 4598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @conn: Connection context data from tls_connection_init() 4608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @ciphers: Zero (TLS_CIPHER_NONE) terminated list of allowed ciphers 4618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * (TLS_CIPHER_*). 4628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 4638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 4648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint __must_check tls_connection_set_cipher_list(void *tls_ctx, 4658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct tls_connection *conn, 4668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *ciphers); 4678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 4698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_get_cipher - Get current cipher name 4708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @tls_ctx: TLS context data from tls_init() 4718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @conn: Connection context data from tls_connection_init() 4728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buf: Buffer for the cipher name 4738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buflen: buf size 4748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 4758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 4768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Get the name of the currently used cipher. 4778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 4788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint __must_check tls_get_cipher(void *tls_ctx, struct tls_connection *conn, 4798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char *buf, size_t buflen); 4808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 4828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_connection_enable_workaround - Enable TLS workaround options 4838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @tls_ctx: TLS context data from tls_init() 4848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @conn: Connection context data from tls_connection_init() 4858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 4868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 4878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is used to enable connection-specific workaround options for 4888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * buffer SSL/TLS implementations. 4898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 4908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint __must_check tls_connection_enable_workaround(void *tls_ctx, 4918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct tls_connection *conn); 4928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 4948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_connection_client_hello_ext - Set TLS extension for ClientHello 4958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @tls_ctx: TLS context data from tls_init() 4968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @conn: Connection context data from tls_connection_init() 4978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @ext_type: Extension type 4988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @data: Extension payload (%NULL to remove extension) 4998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @data_len: Extension payload length 5008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 5018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 5028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint __must_check tls_connection_client_hello_ext(void *tls_ctx, 5038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct tls_connection *conn, 5048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int ext_type, const u8 *data, 5058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t data_len); 5068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 5088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_connection_get_failed - Get connection failure status 5098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @tls_ctx: TLS context data from tls_init() 5108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @conn: Connection context data from tls_connection_init() 5118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 5128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns >0 if connection has failed, 0 if not. 5138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 5148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint tls_connection_get_failed(void *tls_ctx, struct tls_connection *conn); 5158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 5178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_connection_get_read_alerts - Get connection read alert status 5188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @tls_ctx: TLS context data from tls_init() 5198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @conn: Connection context data from tls_connection_init() 5208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Number of times a fatal read (remote end reported error) has 5218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * happened during this connection. 5228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 5238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint tls_connection_get_read_alerts(void *tls_ctx, struct tls_connection *conn); 5248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 5268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_connection_get_write_alerts - Get connection write alert status 5278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @tls_ctx: TLS context data from tls_init() 5288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @conn: Connection context data from tls_connection_init() 5298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Number of times a fatal write (locally detected error) has happened 5308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * during this connection. 5318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 5328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint tls_connection_get_write_alerts(void *tls_ctx, 5338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct tls_connection *conn); 5348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 5368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_capabilities - Get supported TLS capabilities 5378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @tls_ctx: TLS context data from tls_init() 5388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Bit field of supported TLS capabilities (TLS_CAPABILITY_*) 5398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 5408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtunsigned int tls_capabilities(void *tls_ctx); 5418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef int (*tls_session_ticket_cb) 5438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt(void *ctx, const u8 *ticket, size_t len, const u8 *client_random, 5448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *server_random, u8 *master_secret); 5458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint __must_check tls_connection_set_session_ticket_cb( 5478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void *tls_ctx, struct tls_connection *conn, 5488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tls_session_ticket_cb cb, void *ctx); 5498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 550818ea489ef32dcdc7c098d8a336d6e1dd8996112Dmitry Shmidtvoid tls_connection_set_log_cb(struct tls_connection *conn, 551818ea489ef32dcdc7c098d8a336d6e1dd8996112Dmitry Shmidt void (*log_cb)(void *ctx, const char *msg), 552818ea489ef32dcdc7c098d8a336d6e1dd8996112Dmitry Shmidt void *ctx); 553818ea489ef32dcdc7c098d8a336d6e1dd8996112Dmitry Shmidt 554818ea489ef32dcdc7c098d8a336d6e1dd8996112Dmitry Shmidt#define TLS_BREAK_VERIFY_DATA BIT(0) 555818ea489ef32dcdc7c098d8a336d6e1dd8996112Dmitry Shmidt#define TLS_BREAK_SRV_KEY_X_HASH BIT(1) 556818ea489ef32dcdc7c098d8a336d6e1dd8996112Dmitry Shmidt#define TLS_BREAK_SRV_KEY_X_SIGNATURE BIT(2) 557b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt#define TLS_DHE_PRIME_511B BIT(3) 558b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt#define TLS_DHE_PRIME_767B BIT(4) 559b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt#define TLS_DHE_PRIME_15 BIT(5) 560b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt#define TLS_DHE_PRIME_58B BIT(6) 561b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt#define TLS_DHE_NON_PRIME BIT(7) 562818ea489ef32dcdc7c098d8a336d6e1dd8996112Dmitry Shmidt 563818ea489ef32dcdc7c098d8a336d6e1dd8996112Dmitry Shmidtvoid tls_connection_set_test_flags(struct tls_connection *conn, u32 flags); 564818ea489ef32dcdc7c098d8a336d6e1dd8996112Dmitry Shmidt 565ff787d557db719adea0fdf2679667500c65cf74dDmitry Shmidtint tls_get_library_version(char *buf, size_t buf_len); 566ff787d557db719adea0fdf2679667500c65cf74dDmitry Shmidt 5678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* TLS_H */ 568