1 /* 2 * Copyright 2015-2023 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 /***************************************************************************** 11 * * 12 * The following definitions are PRIVATE to the state machine. They should * 13 * NOT be used outside of the state machine. * 14 * * 15 *****************************************************************************/ 16 17 /* Max message length definitions */ 18 19 /* The spec allows for a longer length than this, but we limit it */ 20 #define HELLO_VERIFY_REQUEST_MAX_LENGTH 258 21 #define END_OF_EARLY_DATA_MAX_LENGTH 0 22 #define HELLO_RETRY_REQUEST_MAX_LENGTH 20000 23 #define ENCRYPTED_EXTENSIONS_MAX_LENGTH 20000 24 #define SESSION_TICKET_MAX_LENGTH_TLS13 131338 25 #define SESSION_TICKET_MAX_LENGTH_TLS12 65541 26 #define SERVER_KEY_EXCH_MAX_LENGTH 102400 27 #define SERVER_HELLO_DONE_MAX_LENGTH 0 28 #define KEY_UPDATE_MAX_LENGTH 1 29 #define CCS_MAX_LENGTH 1 30 31 /* Max ServerHello size permitted by RFC 8446 */ 32 #define SERVER_HELLO_MAX_LENGTH 65607 33 34 /* Max CertificateVerify size permitted by RFC 8446 */ 35 #define CERTIFICATE_VERIFY_MAX_LENGTH 65539 36 37 /* Max should actually be 36 but we are generous */ 38 #define FINISHED_MAX_LENGTH 64 39 40 /* Dummy message type */ 41 #define SSL3_MT_DUMMY -1 42 43 /* Invalid extension ID for non-supported extensions */ 44 #define TLSEXT_TYPE_invalid 0x10000 45 #define TLSEXT_TYPE_out_of_range 0x10001 46 unsigned int ossl_get_extension_type(size_t idx); 47 48 extern const unsigned char hrrrandom[]; 49 50 /* Message processing return codes */ 51 typedef enum { 52 /* Something bad happened */ 53 MSG_PROCESS_ERROR, 54 /* We've finished reading - swap to writing */ 55 MSG_PROCESS_FINISHED_READING, 56 /* 57 * We've completed the main processing of this message but there is some 58 * post processing to be done. 59 */ 60 MSG_PROCESS_CONTINUE_PROCESSING, 61 /* We've finished this message - read the next message */ 62 MSG_PROCESS_CONTINUE_READING 63 } MSG_PROCESS_RETURN; 64 65 typedef CON_FUNC_RETURN (*confunc_f) (SSL_CONNECTION *s, WPACKET *pkt); 66 67 int ssl3_take_mac(SSL_CONNECTION *s); 68 int check_in_list(SSL_CONNECTION *s, uint16_t group_id, const uint16_t *groups, 69 size_t num_groups, int checkallow); 70 int create_synthetic_message_hash(SSL_CONNECTION *s, 71 const unsigned char *hashval, 72 size_t hashlen, const unsigned char *hrr, 73 size_t hrrlen); 74 int parse_ca_names(SSL_CONNECTION *s, PACKET *pkt); 75 const STACK_OF(X509_NAME) *get_ca_names(SSL_CONNECTION *s); 76 int construct_ca_names(SSL_CONNECTION *s, const STACK_OF(X509_NAME) *ca_sk, 77 WPACKET *pkt); 78 size_t construct_key_exchange_tbs(SSL_CONNECTION *s, unsigned char **ptbs, 79 const void *param, size_t paramlen); 80 81 /* 82 * TLS/DTLS client state machine functions 83 */ 84 int ossl_statem_client_read_transition(SSL_CONNECTION *s, int mt); 85 WRITE_TRAN ossl_statem_client_write_transition(SSL_CONNECTION *s); 86 WORK_STATE ossl_statem_client_pre_work(SSL_CONNECTION *s, WORK_STATE wst); 87 WORK_STATE ossl_statem_client_post_work(SSL_CONNECTION *s, WORK_STATE wst); 88 int ossl_statem_client_construct_message(SSL_CONNECTION *s, 89 confunc_f *confunc, int *mt); 90 size_t ossl_statem_client_max_message_size(SSL_CONNECTION *s); 91 MSG_PROCESS_RETURN ossl_statem_client_process_message(SSL_CONNECTION *s, 92 PACKET *pkt); 93 WORK_STATE ossl_statem_client_post_process_message(SSL_CONNECTION *s, 94 WORK_STATE wst); 95 96 /* 97 * TLS/DTLS server state machine functions 98 */ 99 int ossl_statem_server_read_transition(SSL_CONNECTION *s, int mt); 100 WRITE_TRAN ossl_statem_server_write_transition(SSL_CONNECTION *s); 101 WORK_STATE ossl_statem_server_pre_work(SSL_CONNECTION *s, WORK_STATE wst); 102 WORK_STATE ossl_statem_server_post_work(SSL_CONNECTION *s, WORK_STATE wst); 103 int ossl_statem_server_construct_message(SSL_CONNECTION *s, 104 confunc_f *confunc,int *mt); 105 size_t ossl_statem_server_max_message_size(SSL_CONNECTION *s); 106 MSG_PROCESS_RETURN ossl_statem_server_process_message(SSL_CONNECTION *s, 107 PACKET *pkt); 108 WORK_STATE ossl_statem_server_post_process_message(SSL_CONNECTION *s, 109 WORK_STATE wst); 110 111 /* Functions for getting new message data */ 112 __owur int tls_get_message_header(SSL_CONNECTION *s, int *mt); 113 __owur int tls_get_message_body(SSL_CONNECTION *s, size_t *len); 114 __owur int dtls_get_message(SSL_CONNECTION *s, int *mt); 115 __owur int dtls_get_message_body(SSL_CONNECTION *s, size_t *len); 116 117 /* Message construction and processing functions */ 118 __owur int tls_process_initial_server_flight(SSL_CONNECTION *s); 119 __owur MSG_PROCESS_RETURN tls_process_change_cipher_spec(SSL_CONNECTION *s, 120 PACKET *pkt); 121 __owur MSG_PROCESS_RETURN tls_process_finished(SSL_CONNECTION *s, PACKET *pkt); 122 __owur CON_FUNC_RETURN tls_construct_change_cipher_spec(SSL_CONNECTION *s, 123 WPACKET *pkt); 124 __owur CON_FUNC_RETURN dtls_construct_change_cipher_spec(SSL_CONNECTION *s, 125 WPACKET *pkt); 126 127 __owur CON_FUNC_RETURN tls_construct_finished(SSL_CONNECTION *s, WPACKET *pkt); 128 __owur CON_FUNC_RETURN tls_construct_key_update(SSL_CONNECTION *s, WPACKET *pkt); 129 __owur MSG_PROCESS_RETURN tls_process_key_update(SSL_CONNECTION *s, 130 PACKET *pkt); 131 __owur WORK_STATE tls_finish_handshake(SSL_CONNECTION *s, WORK_STATE wst, 132 int clearbufs, int stop); 133 __owur WORK_STATE dtls_wait_for_dry(SSL_CONNECTION *s); 134 135 #ifndef OPENSSL_NO_COMP_ALG 136 __owur MSG_PROCESS_RETURN tls13_process_compressed_certificate(SSL_CONNECTION *sc, 137 PACKET *pkt, 138 PACKET *tmppkt, 139 BUF_MEM *buf); 140 #endif 141 142 /* some client-only functions */ 143 __owur CON_FUNC_RETURN tls_construct_client_hello(SSL_CONNECTION *s, 144 WPACKET *pkt); 145 __owur MSG_PROCESS_RETURN tls_process_server_hello(SSL_CONNECTION *s, 146 PACKET *pkt); 147 __owur MSG_PROCESS_RETURN tls_process_certificate_request(SSL_CONNECTION *s, 148 PACKET *pkt); 149 __owur MSG_PROCESS_RETURN tls_process_new_session_ticket(SSL_CONNECTION *s, 150 PACKET *pkt); 151 __owur int tls_process_cert_status_body(SSL_CONNECTION *s, PACKET *pkt); 152 __owur MSG_PROCESS_RETURN tls_process_cert_status(SSL_CONNECTION *s, 153 PACKET *pkt); 154 __owur MSG_PROCESS_RETURN tls_process_server_done(SSL_CONNECTION *s, 155 PACKET *pkt); 156 __owur CON_FUNC_RETURN tls_construct_cert_verify(SSL_CONNECTION *s, 157 WPACKET *pkt); 158 __owur WORK_STATE tls_prepare_client_certificate(SSL_CONNECTION *s, 159 WORK_STATE wst); 160 __owur CON_FUNC_RETURN tls_construct_client_certificate(SSL_CONNECTION *s, 161 WPACKET *pkt); 162 #ifndef OPENSSL_NO_COMP_ALG 163 __owur CON_FUNC_RETURN tls_construct_client_compressed_certificate(SSL_CONNECTION *sc, 164 WPACKET *pkt); 165 #endif 166 __owur int ssl_do_client_cert_cb(SSL_CONNECTION *s, X509 **px509, 167 EVP_PKEY **ppkey); 168 __owur CON_FUNC_RETURN tls_construct_client_key_exchange(SSL_CONNECTION *s, 169 WPACKET *pkt); 170 __owur int tls_client_key_exchange_post_work(SSL_CONNECTION *s); 171 __owur int tls_construct_cert_status_body(SSL_CONNECTION *s, WPACKET *pkt); 172 __owur CON_FUNC_RETURN tls_construct_cert_status(SSL_CONNECTION *s, 173 WPACKET *pkt); 174 __owur MSG_PROCESS_RETURN tls_process_key_exchange(SSL_CONNECTION *s, 175 PACKET *pkt); 176 __owur MSG_PROCESS_RETURN tls_process_server_rpk(SSL_CONNECTION *sc, 177 PACKET *pkt); 178 __owur MSG_PROCESS_RETURN tls_process_client_rpk(SSL_CONNECTION *sc, 179 PACKET *pkt); 180 __owur unsigned long tls_output_rpk(SSL_CONNECTION *sc, WPACKET *pkt, 181 CERT_PKEY *cpk); 182 __owur int tls_process_rpk(SSL_CONNECTION *s, PACKET *pkt, EVP_PKEY **peer_rpk); 183 __owur MSG_PROCESS_RETURN tls_process_server_certificate(SSL_CONNECTION *s, 184 PACKET *pkt); 185 __owur WORK_STATE tls_post_process_server_certificate(SSL_CONNECTION *s, 186 WORK_STATE wst); 187 #ifndef OPENSSL_NO_COMP_ALG 188 __owur MSG_PROCESS_RETURN tls_process_server_compressed_certificate(SSL_CONNECTION *sc, 189 PACKET *pkt); 190 #endif 191 __owur int ssl3_check_cert_and_algorithm(SSL_CONNECTION *s); 192 #ifndef OPENSSL_NO_NEXTPROTONEG 193 __owur CON_FUNC_RETURN tls_construct_next_proto(SSL_CONNECTION *s, WPACKET *pkt); 194 #endif 195 __owur MSG_PROCESS_RETURN tls_process_hello_req(SSL_CONNECTION *s, PACKET *pkt); 196 __owur MSG_PROCESS_RETURN dtls_process_hello_verify(SSL_CONNECTION *s, PACKET *pkt); 197 __owur CON_FUNC_RETURN tls_construct_end_of_early_data(SSL_CONNECTION *s, 198 WPACKET *pkt); 199 200 /* some server-only functions */ 201 __owur MSG_PROCESS_RETURN tls_process_client_hello(SSL_CONNECTION *s, 202 PACKET *pkt); 203 __owur WORK_STATE tls_post_process_client_hello(SSL_CONNECTION *s, 204 WORK_STATE wst); 205 __owur CON_FUNC_RETURN tls_construct_server_hello(SSL_CONNECTION *s, 206 WPACKET *pkt); 207 __owur CON_FUNC_RETURN dtls_construct_hello_verify_request(SSL_CONNECTION *s, 208 WPACKET *pkt); 209 __owur CON_FUNC_RETURN tls_construct_server_certificate(SSL_CONNECTION *s, 210 WPACKET *pkt); 211 #ifndef OPENSSL_NO_COMP_ALG 212 __owur CON_FUNC_RETURN tls_construct_server_compressed_certificate(SSL_CONNECTION *sc, 213 WPACKET *pkt); 214 #endif 215 __owur CON_FUNC_RETURN tls_construct_server_key_exchange(SSL_CONNECTION *s, 216 WPACKET *pkt); 217 __owur CON_FUNC_RETURN tls_construct_certificate_request(SSL_CONNECTION *s, 218 WPACKET *pkt); 219 __owur CON_FUNC_RETURN tls_construct_server_done(SSL_CONNECTION *s, 220 WPACKET *pkt); 221 __owur MSG_PROCESS_RETURN tls_process_client_certificate(SSL_CONNECTION *s, 222 PACKET *pkt); 223 #ifndef OPENSSL_NO_COMP_ALG 224 __owur MSG_PROCESS_RETURN tls_process_client_compressed_certificate(SSL_CONNECTION *sc, 225 PACKET *pkt); 226 #endif 227 __owur MSG_PROCESS_RETURN tls_process_client_key_exchange(SSL_CONNECTION *s, 228 PACKET *pkt); 229 __owur WORK_STATE tls_post_process_client_key_exchange(SSL_CONNECTION *s, 230 WORK_STATE wst); 231 __owur MSG_PROCESS_RETURN tls_process_cert_verify(SSL_CONNECTION *s, 232 PACKET *pkt); 233 #ifndef OPENSSL_NO_NEXTPROTONEG 234 __owur MSG_PROCESS_RETURN tls_process_next_proto(SSL_CONNECTION *s, 235 PACKET *pkt); 236 #endif 237 __owur CON_FUNC_RETURN tls_construct_new_session_ticket(SSL_CONNECTION *s, 238 WPACKET *pkt); 239 MSG_PROCESS_RETURN tls_process_end_of_early_data(SSL_CONNECTION *s, 240 PACKET *pkt); 241 242 #ifndef OPENSSL_NO_GOST 243 /* These functions are used in GOST18 CKE, both for client and server */ 244 int ossl_gost18_cke_cipher_nid(const SSL_CONNECTION *s); 245 int ossl_gost_ukm(const SSL_CONNECTION *s, unsigned char *dgst_buf); 246 #endif 247 248 /* Extension processing */ 249 250 typedef enum ext_return_en { 251 EXT_RETURN_FAIL, 252 EXT_RETURN_SENT, 253 EXT_RETURN_NOT_SENT 254 } EXT_RETURN; 255 256 __owur int tls_validate_all_contexts(SSL_CONNECTION *s, unsigned int thisctx, 257 RAW_EXTENSION *exts); 258 __owur int extension_is_relevant(SSL_CONNECTION *s, unsigned int extctx, 259 unsigned int thisctx); 260 __owur int tls_collect_extensions(SSL_CONNECTION *s, PACKET *packet, 261 unsigned int context, 262 RAW_EXTENSION **res, size_t *len, int init); 263 __owur int tls_parse_extension(SSL_CONNECTION *s, TLSEXT_INDEX idx, int context, 264 RAW_EXTENSION *exts, X509 *x, size_t chainidx); 265 __owur int tls_parse_all_extensions(SSL_CONNECTION *s, int context, 266 RAW_EXTENSION *exts, 267 X509 *x, size_t chainidx, int fin); 268 __owur int should_add_extension(SSL_CONNECTION *s, unsigned int extctx, 269 unsigned int thisctx, int max_version); 270 __owur int tls_construct_extensions(SSL_CONNECTION *s, WPACKET *pkt, 271 unsigned int context, 272 X509 *x, size_t chainidx); 273 274 __owur int tls_psk_do_binder(SSL_CONNECTION *s, const EVP_MD *md, 275 const unsigned char *msgstart, 276 size_t binderoffset, const unsigned char *binderin, 277 unsigned char *binderout, 278 SSL_SESSION *sess, int sign, int external); 279 280 /* Server Extension processing */ 281 int tls_parse_ctos_renegotiate(SSL_CONNECTION *s, PACKET *pkt, 282 unsigned int context, 283 X509 *x, size_t chainidx); 284 int tls_parse_ctos_server_name(SSL_CONNECTION *s, PACKET *pkt, 285 unsigned int context, 286 X509 *x, size_t chainidx); 287 int tls_parse_ctos_maxfragmentlen(SSL_CONNECTION *s, PACKET *pkt, 288 unsigned int context, 289 X509 *x, size_t chainidx); 290 #ifndef OPENSSL_NO_SRP 291 int tls_parse_ctos_srp(SSL_CONNECTION *s, PACKET *pkt, unsigned int context, 292 X509 *x, size_t chainidx); 293 #endif 294 int tls_parse_ctos_early_data(SSL_CONNECTION *s, PACKET *pkt, 295 unsigned int context, 296 X509 *x, size_t chainidx); 297 int tls_parse_ctos_ec_pt_formats(SSL_CONNECTION *s, PACKET *pkt, 298 unsigned int context, 299 X509 *x, size_t chainidx); 300 int tls_parse_ctos_supported_groups(SSL_CONNECTION *s, PACKET *pkt, 301 unsigned int context, 302 X509 *x, size_t chainidxl); 303 int tls_parse_ctos_session_ticket(SSL_CONNECTION *s, PACKET *pkt, 304 unsigned int context, 305 X509 *x, size_t chainidx); 306 int tls_parse_ctos_sig_algs_cert(SSL_CONNECTION *s, PACKET *pkt, 307 unsigned int context, 308 X509 *x, size_t chainidx); 309 int tls_parse_ctos_sig_algs(SSL_CONNECTION *s, PACKET *pkt, 310 unsigned int context, X509 *x, size_t chainidx); 311 #ifndef OPENSSL_NO_OCSP 312 int tls_parse_ctos_status_request(SSL_CONNECTION *s, PACKET *pkt, 313 unsigned int context, 314 X509 *x, size_t chainidx); 315 #endif 316 #ifndef OPENSSL_NO_NEXTPROTONEG 317 int tls_parse_ctos_npn(SSL_CONNECTION *s, PACKET *pkt, unsigned int context, 318 X509 *x, size_t chainidx); 319 #endif 320 int tls_parse_ctos_alpn(SSL_CONNECTION *s, PACKET *pkt, unsigned int context, 321 X509 *x, size_t chainidx); 322 #ifndef OPENSSL_NO_SRTP 323 int tls_parse_ctos_use_srtp(SSL_CONNECTION *s, PACKET *pkt, 324 unsigned int context, X509 *x, size_t chainidx); 325 #endif 326 int tls_parse_ctos_etm(SSL_CONNECTION *s, PACKET *pkt, unsigned int context, 327 X509 *x, size_t chainidx); 328 int tls_parse_ctos_key_share(SSL_CONNECTION *s, PACKET *pkt, 329 unsigned int context, X509 *x, size_t chainidx); 330 int tls_parse_ctos_cookie(SSL_CONNECTION *s, PACKET *pkt, unsigned int context, 331 X509 *x, size_t chainidx); 332 int tls_parse_ctos_ems(SSL_CONNECTION *s, PACKET *pkt, unsigned int context, 333 X509 *x, size_t chainidx); 334 int tls_parse_ctos_psk_kex_modes(SSL_CONNECTION *s, PACKET *pkt, 335 unsigned int context, 336 X509 *x, size_t chainidx); 337 int tls_parse_ctos_psk(SSL_CONNECTION *s, PACKET *pkt, unsigned int context, 338 X509 *x, size_t chainidx); 339 int tls_parse_ctos_post_handshake_auth(SSL_CONNECTION *, PACKET *pkt, 340 unsigned int context, 341 X509 *x, size_t chainidx); 342 343 EXT_RETURN tls_construct_stoc_renegotiate(SSL_CONNECTION *s, WPACKET *pkt, 344 unsigned int context, X509 *x, 345 size_t chainidx); 346 EXT_RETURN tls_construct_stoc_server_name(SSL_CONNECTION *s, WPACKET *pkt, 347 unsigned int context, X509 *x, 348 size_t chainidx); 349 EXT_RETURN tls_construct_stoc_early_data(SSL_CONNECTION *s, WPACKET *pkt, 350 unsigned int context, X509 *x, 351 size_t chainidx); 352 EXT_RETURN tls_construct_stoc_maxfragmentlen(SSL_CONNECTION *s, WPACKET *pkt, 353 unsigned int context, X509 *x, 354 size_t chainidx); 355 EXT_RETURN tls_construct_stoc_ec_pt_formats(SSL_CONNECTION *s, WPACKET *pkt, 356 unsigned int context, X509 *x, 357 size_t chainidx); 358 EXT_RETURN tls_construct_stoc_supported_groups(SSL_CONNECTION *s, WPACKET *pkt, 359 unsigned int context, X509 *x, 360 size_t chainidx); 361 EXT_RETURN tls_construct_stoc_session_ticket(SSL_CONNECTION *s, WPACKET *pkt, 362 unsigned int context, X509 *x, 363 size_t chainidx); 364 #ifndef OPENSSL_NO_OCSP 365 EXT_RETURN tls_construct_stoc_status_request(SSL_CONNECTION *s, WPACKET *pkt, 366 unsigned int context, X509 *x, 367 size_t chainidx); 368 #endif 369 #ifndef OPENSSL_NO_NEXTPROTONEG 370 EXT_RETURN tls_construct_stoc_next_proto_neg(SSL_CONNECTION *s, WPACKET *pkt, 371 unsigned int context, X509 *x, 372 size_t chainidx); 373 #endif 374 EXT_RETURN tls_construct_stoc_alpn(SSL_CONNECTION *s, WPACKET *pkt, 375 unsigned int context, 376 X509 *x, size_t chainidx); 377 #ifndef OPENSSL_NO_SRTP 378 EXT_RETURN tls_construct_stoc_use_srtp(SSL_CONNECTION *s, WPACKET *pkt, 379 unsigned int context, 380 X509 *x, size_t chainidx); 381 #endif 382 EXT_RETURN tls_construct_stoc_etm(SSL_CONNECTION *s, WPACKET *pkt, 383 unsigned int context, 384 X509 *x, size_t chainidx); 385 EXT_RETURN tls_construct_stoc_ems(SSL_CONNECTION *s, WPACKET *pkt, 386 unsigned int context, 387 X509 *x, size_t chainidx); 388 EXT_RETURN tls_construct_stoc_supported_versions(SSL_CONNECTION *s, WPACKET *pkt, 389 unsigned int context, X509 *x, 390 size_t chainidx); 391 EXT_RETURN tls_construct_stoc_key_share(SSL_CONNECTION *s, WPACKET *pkt, 392 unsigned int context, X509 *x, 393 size_t chainidx); 394 EXT_RETURN tls_construct_stoc_cookie(SSL_CONNECTION *s, WPACKET *pkt, 395 unsigned int context, 396 X509 *x, size_t chainidx); 397 /* 398 * Not in public headers as this is not an official extension. Only used when 399 * SSL_OP_CRYPTOPRO_TLSEXT_BUG is set. 400 */ 401 #define TLSEXT_TYPE_cryptopro_bug 0xfde8 402 EXT_RETURN tls_construct_stoc_cryptopro_bug(SSL_CONNECTION *s, WPACKET *pkt, 403 unsigned int context, X509 *x, 404 size_t chainidx); 405 EXT_RETURN tls_construct_stoc_psk(SSL_CONNECTION *s, WPACKET *pkt, 406 unsigned int context, 407 X509 *x, size_t chainidx); 408 409 /* Client Extension processing */ 410 EXT_RETURN tls_construct_ctos_renegotiate(SSL_CONNECTION *s, WPACKET *pkt, 411 unsigned int context, 412 X509 *x, size_t chainidx); 413 EXT_RETURN tls_construct_ctos_server_name(SSL_CONNECTION *s, WPACKET *pkt, 414 unsigned int context, 415 X509 *x, size_t chainidx); 416 EXT_RETURN tls_construct_ctos_maxfragmentlen(SSL_CONNECTION *s, WPACKET *pkt, 417 unsigned int context, 418 X509 *x, size_t chainidx); 419 #ifndef OPENSSL_NO_SRP 420 EXT_RETURN tls_construct_ctos_srp(SSL_CONNECTION *s, WPACKET *pkt, 421 unsigned int context, X509 *x, 422 size_t chainidx); 423 #endif 424 EXT_RETURN tls_construct_ctos_ec_pt_formats(SSL_CONNECTION *s, WPACKET *pkt, 425 unsigned int context, X509 *x, 426 size_t chainidx); 427 EXT_RETURN tls_construct_ctos_supported_groups(SSL_CONNECTION *s, WPACKET *pkt, 428 unsigned int context, X509 *x, 429 size_t chainidx); 430 431 EXT_RETURN tls_construct_ctos_early_data(SSL_CONNECTION *s, WPACKET *pkt, 432 unsigned int context, X509 *x, 433 size_t chainidx); 434 EXT_RETURN tls_construct_ctos_session_ticket(SSL_CONNECTION *s, WPACKET *pkt, 435 unsigned int context, X509 *x, 436 size_t chainidx); 437 EXT_RETURN tls_construct_ctos_sig_algs(SSL_CONNECTION *s, WPACKET *pkt, 438 unsigned int context, X509 *x, 439 size_t chainidx); 440 #ifndef OPENSSL_NO_OCSP 441 EXT_RETURN tls_construct_ctos_status_request(SSL_CONNECTION *s, WPACKET *pkt, 442 unsigned int context, X509 *x, 443 size_t chainidx); 444 #endif 445 #ifndef OPENSSL_NO_NEXTPROTONEG 446 EXT_RETURN tls_construct_ctos_npn(SSL_CONNECTION *s, WPACKET *pkt, 447 unsigned int context, 448 X509 *x, size_t chainidx); 449 #endif 450 EXT_RETURN tls_construct_ctos_alpn(SSL_CONNECTION *s, WPACKET *pkt, 451 unsigned int context, 452 X509 *x, size_t chainidx); 453 #ifndef OPENSSL_NO_SRTP 454 EXT_RETURN tls_construct_ctos_use_srtp(SSL_CONNECTION *s, WPACKET *pkt, 455 unsigned int context, 456 X509 *x, size_t chainidx); 457 #endif 458 EXT_RETURN tls_construct_ctos_etm(SSL_CONNECTION *s, WPACKET *pkt, 459 unsigned int context, 460 X509 *x, size_t chainidx); 461 #ifndef OPENSSL_NO_CT 462 EXT_RETURN tls_construct_ctos_sct(SSL_CONNECTION *s, WPACKET *pkt, 463 unsigned int context, 464 X509 *x, size_t chainidx); 465 #endif 466 EXT_RETURN tls_construct_ctos_ems(SSL_CONNECTION *s, WPACKET *pkt, 467 unsigned int context, 468 X509 *x, size_t chainidx); 469 EXT_RETURN tls_construct_ctos_supported_versions(SSL_CONNECTION *s, WPACKET *pkt, 470 unsigned int context, X509 *x, 471 size_t chainidx); 472 EXT_RETURN tls_construct_ctos_key_share(SSL_CONNECTION *s, WPACKET *pkt, 473 unsigned int context, X509 *x, 474 size_t chainidx); 475 EXT_RETURN tls_construct_ctos_psk_kex_modes(SSL_CONNECTION *s, WPACKET *pkt, 476 unsigned int context, X509 *x, 477 size_t chainidx); 478 EXT_RETURN tls_construct_ctos_cookie(SSL_CONNECTION *s, WPACKET *pkt, 479 unsigned int context, 480 X509 *x, size_t chainidx); 481 EXT_RETURN tls_construct_ctos_padding(SSL_CONNECTION *s, WPACKET *pkt, 482 unsigned int context, X509 *x, 483 size_t chainidx); 484 EXT_RETURN tls_construct_ctos_psk(SSL_CONNECTION *s, WPACKET *pkt, 485 unsigned int context, 486 X509 *x, size_t chainidx); 487 EXT_RETURN tls_construct_ctos_post_handshake_auth(SSL_CONNECTION *s, WPACKET *pkt, 488 unsigned int context, 489 X509 *x, size_t chainidx); 490 491 int tls_parse_stoc_renegotiate(SSL_CONNECTION *s, PACKET *pkt, 492 unsigned int context, 493 X509 *x, size_t chainidx); 494 int tls_parse_stoc_server_name(SSL_CONNECTION *s, PACKET *pkt, 495 unsigned int context, 496 X509 *x, size_t chainidx); 497 int tls_parse_stoc_early_data(SSL_CONNECTION *s, PACKET *pkt, 498 unsigned int context, 499 X509 *x, size_t chainidx); 500 int tls_parse_stoc_maxfragmentlen(SSL_CONNECTION *s, PACKET *pkt, 501 unsigned int context, 502 X509 *x, size_t chainidx); 503 int tls_parse_stoc_ec_pt_formats(SSL_CONNECTION *s, PACKET *pkt, 504 unsigned int context, 505 X509 *x, size_t chainidx); 506 int tls_parse_stoc_session_ticket(SSL_CONNECTION *s, PACKET *pkt, 507 unsigned int context, 508 X509 *x, size_t chainidx); 509 #ifndef OPENSSL_NO_OCSP 510 int tls_parse_stoc_status_request(SSL_CONNECTION *s, PACKET *pkt, 511 unsigned int context, 512 X509 *x, size_t chainidx); 513 #endif 514 #ifndef OPENSSL_NO_CT 515 int tls_parse_stoc_sct(SSL_CONNECTION *s, PACKET *pkt, unsigned int context, 516 X509 *x, size_t chainidx); 517 #endif 518 #ifndef OPENSSL_NO_NEXTPROTONEG 519 int tls_parse_stoc_npn(SSL_CONNECTION *s, PACKET *pkt, unsigned int context, 520 X509 *x, size_t chainidx); 521 #endif 522 int tls_parse_stoc_alpn(SSL_CONNECTION *s, PACKET *pkt, unsigned int context, 523 X509 *x, size_t chainidx); 524 #ifndef OPENSSL_NO_SRTP 525 int tls_parse_stoc_use_srtp(SSL_CONNECTION *s, PACKET *pkt, 526 unsigned int context, X509 *x, size_t chainidx); 527 #endif 528 int tls_parse_stoc_etm(SSL_CONNECTION *s, PACKET *pkt, unsigned int context, 529 X509 *x, size_t chainidx); 530 int tls_parse_stoc_ems(SSL_CONNECTION *s, PACKET *pkt, unsigned int context, 531 X509 *x, size_t chainidx); 532 int tls_parse_stoc_supported_versions(SSL_CONNECTION *s, PACKET *pkt, 533 unsigned int context, 534 X509 *x, size_t chainidx); 535 int tls_parse_stoc_key_share(SSL_CONNECTION *s, PACKET *pkt, 536 unsigned int context, X509 *x, size_t chainidx); 537 int tls_parse_stoc_cookie(SSL_CONNECTION *s, PACKET *pkt, unsigned int context, 538 X509 *x, size_t chainidx); 539 int tls_parse_stoc_psk(SSL_CONNECTION *s, PACKET *pkt, unsigned int context, 540 X509 *x, size_t chainidx); 541 542 int tls_handle_alpn(SSL_CONNECTION *s); 543 544 int tls13_save_handshake_digest_for_pha(SSL_CONNECTION *s); 545 int tls13_restore_handshake_digest_for_pha(SSL_CONNECTION *s); 546 547 __owur EVP_PKEY* tls_get_peer_pkey(const SSL_CONNECTION *sc); 548 /* RFC7250 */ 549 EXT_RETURN tls_construct_ctos_client_cert_type(SSL_CONNECTION *sc, WPACKET *pkt, 550 unsigned int context, 551 X509 *x, size_t chainidx); 552 EXT_RETURN tls_construct_stoc_client_cert_type(SSL_CONNECTION *sc, WPACKET *pkt, 553 unsigned int context, 554 X509 *x, size_t chainidx); 555 int tls_parse_ctos_client_cert_type(SSL_CONNECTION *sc, PACKET *pkt, 556 unsigned int context, 557 X509 *x, size_t chainidx); 558 int tls_parse_stoc_client_cert_type(SSL_CONNECTION *sc, PACKET *pkt, 559 unsigned int context, 560 X509 *x, size_t chainidx); 561 EXT_RETURN tls_construct_ctos_server_cert_type(SSL_CONNECTION *sc, WPACKET *pkt, 562 unsigned int context, 563 X509 *x, size_t chainidx); 564 EXT_RETURN tls_construct_stoc_server_cert_type(SSL_CONNECTION *sc, WPACKET *pkt, 565 unsigned int context, 566 X509 *x, size_t chainidx); 567 int tls_parse_ctos_server_cert_type(SSL_CONNECTION *sc, PACKET *pkt, 568 unsigned int context, 569 X509 *x, size_t chainidx); 570 int tls_parse_stoc_server_cert_type(SSL_CONNECTION *s, PACKET *pkt, 571 unsigned int context, 572 X509 *x, size_t chainidx); 573