1 /* 2 * Copyright 2015-2022 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 should actually be 36 but we are generous */ 35 #define FINISHED_MAX_LENGTH 64 36 37 /* Dummy message type */ 38 #define SSL3_MT_DUMMY -1 39 40 /* Invalid extension ID for non-supported extensions */ 41 #define TLSEXT_TYPE_invalid 0x10000 42 #define TLSEXT_TYPE_out_of_range 0x10001 43 unsigned int ossl_get_extension_type(size_t idx); 44 45 extern const unsigned char hrrrandom[]; 46 47 /* Message processing return codes */ 48 typedef enum { 49 /* Something bad happened */ 50 MSG_PROCESS_ERROR, 51 /* We've finished reading - swap to writing */ 52 MSG_PROCESS_FINISHED_READING, 53 /* 54 * We've completed the main processing of this message but there is some 55 * post processing to be done. 56 */ 57 MSG_PROCESS_CONTINUE_PROCESSING, 58 /* We've finished this message - read the next message */ 59 MSG_PROCESS_CONTINUE_READING 60 } MSG_PROCESS_RETURN; 61 62 typedef int (*confunc_f) (SSL *s, WPACKET *pkt); 63 64 int ssl3_take_mac(SSL *s); 65 int check_in_list(SSL *s, uint16_t group_id, const uint16_t *groups, 66 size_t num_groups, int checkallow); 67 int create_synthetic_message_hash(SSL *s, const unsigned char *hashval, 68 size_t hashlen, const unsigned char *hrr, 69 size_t hrrlen); 70 int parse_ca_names(SSL *s, PACKET *pkt); 71 const STACK_OF(X509_NAME) *get_ca_names(SSL *s); 72 int construct_ca_names(SSL *s, const STACK_OF(X509_NAME) *ca_sk, WPACKET *pkt); 73 size_t construct_key_exchange_tbs(SSL *s, unsigned char **ptbs, 74 const void *param, size_t paramlen); 75 76 /* 77 * TLS/DTLS client state machine functions 78 */ 79 int ossl_statem_client_read_transition(SSL *s, int mt); 80 WRITE_TRAN ossl_statem_client_write_transition(SSL *s); 81 WORK_STATE ossl_statem_client_pre_work(SSL *s, WORK_STATE wst); 82 WORK_STATE ossl_statem_client_post_work(SSL *s, WORK_STATE wst); 83 int ossl_statem_client_construct_message(SSL *s, WPACKET *pkt, 84 confunc_f *confunc, int *mt); 85 size_t ossl_statem_client_max_message_size(SSL *s); 86 MSG_PROCESS_RETURN ossl_statem_client_process_message(SSL *s, PACKET *pkt); 87 WORK_STATE ossl_statem_client_post_process_message(SSL *s, WORK_STATE wst); 88 89 /* 90 * TLS/DTLS server state machine functions 91 */ 92 int ossl_statem_server_read_transition(SSL *s, int mt); 93 WRITE_TRAN ossl_statem_server_write_transition(SSL *s); 94 WORK_STATE ossl_statem_server_pre_work(SSL *s, WORK_STATE wst); 95 WORK_STATE ossl_statem_server_post_work(SSL *s, WORK_STATE wst); 96 int ossl_statem_server_construct_message(SSL *s, WPACKET *pkt, 97 confunc_f *confunc,int *mt); 98 size_t ossl_statem_server_max_message_size(SSL *s); 99 MSG_PROCESS_RETURN ossl_statem_server_process_message(SSL *s, PACKET *pkt); 100 WORK_STATE ossl_statem_server_post_process_message(SSL *s, WORK_STATE wst); 101 102 /* Functions for getting new message data */ 103 __owur int tls_get_message_header(SSL *s, int *mt); 104 __owur int tls_get_message_body(SSL *s, size_t *len); 105 __owur int dtls_get_message(SSL *s, int *mt); 106 __owur int dtls_get_message_body(SSL *s, size_t *len); 107 #ifndef OPENSSL_NO_QUIC 108 __owur int quic_get_message(SSL *s, int *mt); 109 __owur int quic_get_message_body(SSL *s, size_t *len); 110 #endif 111 112 /* Message construction and processing functions */ 113 __owur int tls_process_initial_server_flight(SSL *s); 114 __owur MSG_PROCESS_RETURN tls_process_change_cipher_spec(SSL *s, PACKET *pkt); 115 __owur MSG_PROCESS_RETURN tls_process_finished(SSL *s, PACKET *pkt); 116 __owur int tls_construct_change_cipher_spec(SSL *s, WPACKET *pkt); 117 __owur int dtls_construct_change_cipher_spec(SSL *s, WPACKET *pkt); 118 119 __owur int tls_construct_finished(SSL *s, WPACKET *pkt); 120 __owur int tls_construct_key_update(SSL *s, WPACKET *pkt); 121 __owur MSG_PROCESS_RETURN tls_process_key_update(SSL *s, PACKET *pkt); 122 __owur WORK_STATE tls_finish_handshake(SSL *s, WORK_STATE wst, int clearbufs, 123 int stop); 124 __owur WORK_STATE dtls_wait_for_dry(SSL *s); 125 126 /* some client-only functions */ 127 __owur int tls_construct_client_hello(SSL *s, WPACKET *pkt); 128 __owur MSG_PROCESS_RETURN tls_process_server_hello(SSL *s, PACKET *pkt); 129 __owur MSG_PROCESS_RETURN tls_process_certificate_request(SSL *s, PACKET *pkt); 130 __owur MSG_PROCESS_RETURN tls_process_new_session_ticket(SSL *s, PACKET *pkt); 131 __owur int tls_process_cert_status_body(SSL *s, PACKET *pkt); 132 __owur MSG_PROCESS_RETURN tls_process_cert_status(SSL *s, PACKET *pkt); 133 __owur MSG_PROCESS_RETURN tls_process_server_done(SSL *s, PACKET *pkt); 134 __owur int tls_construct_cert_verify(SSL *s, WPACKET *pkt); 135 __owur WORK_STATE tls_prepare_client_certificate(SSL *s, WORK_STATE wst); 136 __owur int tls_construct_client_certificate(SSL *s, WPACKET *pkt); 137 __owur int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey); 138 __owur int tls_construct_client_key_exchange(SSL *s, WPACKET *pkt); 139 __owur int tls_client_key_exchange_post_work(SSL *s); 140 __owur int tls_construct_cert_status_body(SSL *s, WPACKET *pkt); 141 __owur int tls_construct_cert_status(SSL *s, WPACKET *pkt); 142 __owur MSG_PROCESS_RETURN tls_process_key_exchange(SSL *s, PACKET *pkt); 143 __owur MSG_PROCESS_RETURN tls_process_server_certificate(SSL *s, PACKET *pkt); 144 __owur WORK_STATE tls_post_process_server_certificate(SSL *s, WORK_STATE wst); 145 __owur int ssl3_check_cert_and_algorithm(SSL *s); 146 #ifndef OPENSSL_NO_NEXTPROTONEG 147 __owur int tls_construct_next_proto(SSL *s, WPACKET *pkt); 148 #endif 149 __owur MSG_PROCESS_RETURN tls_process_hello_req(SSL *s, PACKET *pkt); 150 __owur MSG_PROCESS_RETURN dtls_process_hello_verify(SSL *s, PACKET *pkt); 151 __owur int tls_construct_end_of_early_data(SSL *s, WPACKET *pkt); 152 153 /* some server-only functions */ 154 __owur MSG_PROCESS_RETURN tls_process_client_hello(SSL *s, PACKET *pkt); 155 __owur WORK_STATE tls_post_process_client_hello(SSL *s, WORK_STATE wst); 156 __owur int tls_construct_server_hello(SSL *s, WPACKET *pkt); 157 __owur int dtls_construct_hello_verify_request(SSL *s, WPACKET *pkt); 158 __owur int tls_construct_server_certificate(SSL *s, WPACKET *pkt); 159 __owur int tls_construct_server_key_exchange(SSL *s, WPACKET *pkt); 160 __owur int tls_construct_certificate_request(SSL *s, WPACKET *pkt); 161 __owur int tls_construct_server_done(SSL *s, WPACKET *pkt); 162 __owur MSG_PROCESS_RETURN tls_process_client_certificate(SSL *s, PACKET *pkt); 163 __owur MSG_PROCESS_RETURN tls_process_client_key_exchange(SSL *s, PACKET *pkt); 164 __owur WORK_STATE tls_post_process_client_key_exchange(SSL *s, WORK_STATE wst); 165 __owur MSG_PROCESS_RETURN tls_process_cert_verify(SSL *s, PACKET *pkt); 166 #ifndef OPENSSL_NO_NEXTPROTONEG 167 __owur MSG_PROCESS_RETURN tls_process_next_proto(SSL *s, PACKET *pkt); 168 #endif 169 __owur int tls_construct_new_session_ticket(SSL *s, WPACKET *pkt); 170 MSG_PROCESS_RETURN tls_process_end_of_early_data(SSL *s, PACKET *pkt); 171 172 #ifndef OPENSSL_NO_GOST 173 /* These functions are used in GOST18 CKE, both for client and server */ 174 int ossl_gost18_cke_cipher_nid(const SSL *s); 175 int ossl_gost_ukm(const SSL *s, unsigned char *dgst_buf); 176 #endif 177 178 /* Extension processing */ 179 180 typedef enum ext_return_en { 181 EXT_RETURN_FAIL, 182 EXT_RETURN_SENT, 183 EXT_RETURN_NOT_SENT 184 } EXT_RETURN; 185 186 __owur int tls_validate_all_contexts(SSL *s, unsigned int thisctx, 187 RAW_EXTENSION *exts); 188 __owur int extension_is_relevant(SSL *s, unsigned int extctx, 189 unsigned int thisctx); 190 __owur int tls_collect_extensions(SSL *s, PACKET *packet, unsigned int context, 191 RAW_EXTENSION **res, size_t *len, int init); 192 __owur int tls_parse_extension(SSL *s, TLSEXT_INDEX idx, int context, 193 RAW_EXTENSION *exts, X509 *x, size_t chainidx); 194 __owur int tls_parse_all_extensions(SSL *s, int context, RAW_EXTENSION *exts, 195 X509 *x, size_t chainidx, int fin); 196 __owur int should_add_extension(SSL *s, unsigned int extctx, 197 unsigned int thisctx, int max_version); 198 __owur int tls_construct_extensions(SSL *s, WPACKET *pkt, unsigned int context, 199 X509 *x, size_t chainidx); 200 201 __owur int tls_psk_do_binder(SSL *s, const EVP_MD *md, 202 const unsigned char *msgstart, 203 size_t binderoffset, const unsigned char *binderin, 204 unsigned char *binderout, 205 SSL_SESSION *sess, int sign, int external); 206 207 /* Server Extension processing */ 208 int tls_parse_ctos_renegotiate(SSL *s, PACKET *pkt, unsigned int context, 209 X509 *x, size_t chainidx); 210 int tls_parse_ctos_server_name(SSL *s, PACKET *pkt, unsigned int context, 211 X509 *x, size_t chainidx); 212 int tls_parse_ctos_maxfragmentlen(SSL *s, PACKET *pkt, unsigned int context, 213 X509 *x, size_t chainidx); 214 #ifndef OPENSSL_NO_SRP 215 int tls_parse_ctos_srp(SSL *s, PACKET *pkt, unsigned int context, X509 *x, 216 size_t chainidx); 217 #endif 218 int tls_parse_ctos_early_data(SSL *s, PACKET *pkt, unsigned int context, 219 X509 *x, size_t chainidx); 220 int tls_parse_ctos_ec_pt_formats(SSL *s, PACKET *pkt, unsigned int context, 221 X509 *x, size_t chainidx); 222 int tls_parse_ctos_supported_groups(SSL *s, PACKET *pkt, unsigned int context, 223 X509 *x, size_t chainidxl); 224 int tls_parse_ctos_session_ticket(SSL *s, PACKET *pkt, unsigned int context, 225 X509 *x, size_t chainidx); 226 int tls_parse_ctos_sig_algs_cert(SSL *s, PACKET *pkt, unsigned int context, 227 X509 *x, size_t chainidx); 228 int tls_parse_ctos_sig_algs(SSL *s, PACKET *pkt, unsigned int context, X509 *x, 229 size_t chainidx); 230 #ifndef OPENSSL_NO_OCSP 231 int tls_parse_ctos_status_request(SSL *s, PACKET *pkt, unsigned int context, 232 X509 *x, size_t chainidx); 233 #endif 234 #ifndef OPENSSL_NO_NEXTPROTONEG 235 int tls_parse_ctos_npn(SSL *s, PACKET *pkt, unsigned int context, X509 *x, 236 size_t chainidx); 237 #endif 238 int tls_parse_ctos_alpn(SSL *s, PACKET *pkt, unsigned int context, X509 *x, 239 size_t chainidx); 240 #ifndef OPENSSL_NO_SRTP 241 int tls_parse_ctos_use_srtp(SSL *s, PACKET *pkt, unsigned int context, X509 *x, 242 size_t chainidx); 243 #endif 244 int tls_parse_ctos_etm(SSL *s, PACKET *pkt, unsigned int context, X509 *x, 245 size_t chainidx); 246 int tls_parse_ctos_key_share(SSL *s, PACKET *pkt, unsigned int context, X509 *x, 247 size_t chainidx); 248 int tls_parse_ctos_cookie(SSL *s, PACKET *pkt, unsigned int context, X509 *x, 249 size_t chainidx); 250 int tls_parse_ctos_ems(SSL *s, PACKET *pkt, unsigned int context, X509 *x, 251 size_t chainidx); 252 int tls_parse_ctos_psk_kex_modes(SSL *s, PACKET *pkt, unsigned int context, 253 X509 *x, size_t chainidx); 254 int tls_parse_ctos_psk(SSL *s, PACKET *pkt, unsigned int context, X509 *x, 255 size_t chainidx); 256 int tls_parse_ctos_post_handshake_auth(SSL *, PACKET *pkt, unsigned int context, 257 X509 *x, size_t chainidx); 258 #ifndef OPENSSL_NO_QUIC 259 int tls_parse_ctos_quic_transport_params_draft(SSL *s, PACKET *pkt, 260 unsigned int context, X509 *x, 261 size_t chainidx); 262 263 int tls_parse_ctos_quic_transport_params(SSL *s, PACKET *pkt, unsigned int context, 264 X509 *x, size_t chainidx); 265 #endif 266 267 EXT_RETURN tls_construct_stoc_renegotiate(SSL *s, WPACKET *pkt, 268 unsigned int context, X509 *x, 269 size_t chainidx); 270 EXT_RETURN tls_construct_stoc_server_name(SSL *s, WPACKET *pkt, 271 unsigned int context, X509 *x, 272 size_t chainidx); 273 EXT_RETURN tls_construct_stoc_early_data(SSL *s, WPACKET *pkt, 274 unsigned int context, X509 *x, 275 size_t chainidx); 276 EXT_RETURN tls_construct_stoc_maxfragmentlen(SSL *s, WPACKET *pkt, 277 unsigned int context, X509 *x, 278 size_t chainidx); 279 EXT_RETURN tls_construct_stoc_ec_pt_formats(SSL *s, WPACKET *pkt, 280 unsigned int context, X509 *x, 281 size_t chainidx); 282 EXT_RETURN tls_construct_stoc_supported_groups(SSL *s, WPACKET *pkt, 283 unsigned int context, X509 *x, 284 size_t chainidx); 285 EXT_RETURN tls_construct_stoc_session_ticket(SSL *s, WPACKET *pkt, 286 unsigned int context, X509 *x, 287 size_t chainidx); 288 #ifndef OPENSSL_NO_OCSP 289 EXT_RETURN tls_construct_stoc_status_request(SSL *s, WPACKET *pkt, 290 unsigned int context, X509 *x, 291 size_t chainidx); 292 #endif 293 #ifndef OPENSSL_NO_NEXTPROTONEG 294 EXT_RETURN tls_construct_stoc_next_proto_neg(SSL *s, WPACKET *pkt, 295 unsigned int context, X509 *x, 296 size_t chainidx); 297 #endif 298 EXT_RETURN tls_construct_stoc_alpn(SSL *s, WPACKET *pkt, unsigned int context, 299 X509 *x, size_t chainidx); 300 #ifndef OPENSSL_NO_SRTP 301 EXT_RETURN tls_construct_stoc_use_srtp(SSL *s, WPACKET *pkt, unsigned int context, 302 X509 *x, size_t chainidx); 303 #endif 304 EXT_RETURN tls_construct_stoc_etm(SSL *s, WPACKET *pkt, unsigned int context, 305 X509 *x, size_t chainidx); 306 EXT_RETURN tls_construct_stoc_ems(SSL *s, WPACKET *pkt, unsigned int context, 307 X509 *x, size_t chainidx); 308 EXT_RETURN tls_construct_stoc_supported_versions(SSL *s, WPACKET *pkt, 309 unsigned int context, X509 *x, 310 size_t chainidx); 311 EXT_RETURN tls_construct_stoc_key_share(SSL *s, WPACKET *pkt, 312 unsigned int context, X509 *x, 313 size_t chainidx); 314 EXT_RETURN tls_construct_stoc_cookie(SSL *s, WPACKET *pkt, unsigned int context, 315 X509 *x, size_t chainidx); 316 /* 317 * Not in public headers as this is not an official extension. Only used when 318 * SSL_OP_CRYPTOPRO_TLSEXT_BUG is set. 319 */ 320 #define TLSEXT_TYPE_cryptopro_bug 0xfde8 321 EXT_RETURN tls_construct_stoc_cryptopro_bug(SSL *s, WPACKET *pkt, 322 unsigned int context, X509 *x, 323 size_t chainidx); 324 EXT_RETURN tls_construct_stoc_psk(SSL *s, WPACKET *pkt, unsigned int context, 325 X509 *x, size_t chainidx); 326 #ifndef OPENSSL_NO_QUIC 327 EXT_RETURN tls_construct_stoc_quic_transport_params_draft(SSL *s, WPACKET *pkt, 328 unsigned int context, 329 X509 *x, 330 size_t chainidx); 331 332 EXT_RETURN tls_construct_stoc_quic_transport_params(SSL *s, WPACKET *pkt, 333 unsigned int context, X509 *x, 334 size_t chainidx); 335 #endif 336 337 /* Client Extension processing */ 338 EXT_RETURN tls_construct_ctos_renegotiate(SSL *s, WPACKET *pkt, unsigned int context, 339 X509 *x, size_t chainidx); 340 EXT_RETURN tls_construct_ctos_server_name(SSL *s, WPACKET *pkt, unsigned int context, 341 X509 *x, size_t chainidx); 342 EXT_RETURN tls_construct_ctos_maxfragmentlen(SSL *s, WPACKET *pkt, unsigned int context, 343 X509 *x, size_t chainidx); 344 #ifndef OPENSSL_NO_SRP 345 EXT_RETURN tls_construct_ctos_srp(SSL *s, WPACKET *pkt, unsigned int context, X509 *x, 346 size_t chainidx); 347 #endif 348 EXT_RETURN tls_construct_ctos_ec_pt_formats(SSL *s, WPACKET *pkt, 349 unsigned int context, X509 *x, 350 size_t chainidx); 351 EXT_RETURN tls_construct_ctos_supported_groups(SSL *s, WPACKET *pkt, 352 unsigned int context, X509 *x, 353 size_t chainidx); 354 355 EXT_RETURN tls_construct_ctos_early_data(SSL *s, WPACKET *pkt, 356 unsigned int context, X509 *x, 357 size_t chainidx); 358 EXT_RETURN tls_construct_ctos_session_ticket(SSL *s, WPACKET *pkt, 359 unsigned int context, X509 *x, 360 size_t chainidx); 361 EXT_RETURN tls_construct_ctos_sig_algs(SSL *s, WPACKET *pkt, 362 unsigned int context, X509 *x, 363 size_t chainidx); 364 #ifndef OPENSSL_NO_OCSP 365 EXT_RETURN tls_construct_ctos_status_request(SSL *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_ctos_npn(SSL *s, WPACKET *pkt, unsigned int context, 371 X509 *x, size_t chainidx); 372 #endif 373 EXT_RETURN tls_construct_ctos_alpn(SSL *s, WPACKET *pkt, unsigned int context, 374 X509 *x, size_t chainidx); 375 #ifndef OPENSSL_NO_SRTP 376 EXT_RETURN tls_construct_ctos_use_srtp(SSL *s, WPACKET *pkt, unsigned int context, 377 X509 *x, size_t chainidx); 378 #endif 379 EXT_RETURN tls_construct_ctos_etm(SSL *s, WPACKET *pkt, unsigned int context, 380 X509 *x, size_t chainidx); 381 #ifndef OPENSSL_NO_CT 382 EXT_RETURN tls_construct_ctos_sct(SSL *s, WPACKET *pkt, unsigned int context, 383 X509 *x, size_t chainidx); 384 #endif 385 EXT_RETURN tls_construct_ctos_ems(SSL *s, WPACKET *pkt, unsigned int context, 386 X509 *x, size_t chainidx); 387 EXT_RETURN tls_construct_ctos_supported_versions(SSL *s, WPACKET *pkt, 388 unsigned int context, X509 *x, 389 size_t chainidx); 390 EXT_RETURN tls_construct_ctos_key_share(SSL *s, WPACKET *pkt, 391 unsigned int context, X509 *x, 392 size_t chainidx); 393 EXT_RETURN tls_construct_ctos_psk_kex_modes(SSL *s, WPACKET *pkt, 394 unsigned int context, X509 *x, 395 size_t chainidx); 396 EXT_RETURN tls_construct_ctos_cookie(SSL *s, WPACKET *pkt, unsigned int context, 397 X509 *x, size_t chainidx); 398 EXT_RETURN tls_construct_ctos_padding(SSL *s, WPACKET *pkt, 399 unsigned int context, X509 *x, 400 size_t chainidx); 401 EXT_RETURN tls_construct_ctos_psk(SSL *s, WPACKET *pkt, unsigned int context, 402 X509 *x, size_t chainidx); 403 EXT_RETURN tls_construct_ctos_post_handshake_auth(SSL *s, WPACKET *pkt, unsigned int context, 404 X509 *x, size_t chainidx); 405 #ifndef OPENSSL_NO_QUIC 406 EXT_RETURN tls_construct_ctos_quic_transport_params_draft(SSL *s, WPACKET *pkt, 407 unsigned int context, X509 *x, 408 size_t chainidx); 409 410 EXT_RETURN tls_construct_ctos_quic_transport_params(SSL *s, WPACKET *pkt, 411 unsigned int context, X509 *x, 412 size_t chainidx); 413 #endif 414 415 int tls_parse_stoc_renegotiate(SSL *s, PACKET *pkt, unsigned int context, 416 X509 *x, size_t chainidx); 417 int tls_parse_stoc_server_name(SSL *s, PACKET *pkt, unsigned int context, 418 X509 *x, size_t chainidx); 419 int tls_parse_stoc_early_data(SSL *s, PACKET *pkt, unsigned int context, 420 X509 *x, size_t chainidx); 421 int tls_parse_stoc_maxfragmentlen(SSL *s, PACKET *pkt, unsigned int context, 422 X509 *x, size_t chainidx); 423 int tls_parse_stoc_ec_pt_formats(SSL *s, PACKET *pkt, unsigned int context, 424 X509 *x, size_t chainidx); 425 int tls_parse_stoc_session_ticket(SSL *s, PACKET *pkt, unsigned int context, 426 X509 *x, size_t chainidx); 427 #ifndef OPENSSL_NO_OCSP 428 int tls_parse_stoc_status_request(SSL *s, PACKET *pkt, unsigned int context, 429 X509 *x, size_t chainidx); 430 #endif 431 #ifndef OPENSSL_NO_CT 432 int tls_parse_stoc_sct(SSL *s, PACKET *pkt, unsigned int context, X509 *x, 433 size_t chainidx); 434 #endif 435 #ifndef OPENSSL_NO_NEXTPROTONEG 436 int tls_parse_stoc_npn(SSL *s, PACKET *pkt, unsigned int context, X509 *x, 437 size_t chainidx); 438 #endif 439 int tls_parse_stoc_alpn(SSL *s, PACKET *pkt, unsigned int context, X509 *x, 440 size_t chainidx); 441 #ifndef OPENSSL_NO_SRTP 442 int tls_parse_stoc_use_srtp(SSL *s, PACKET *pkt, unsigned int context, X509 *x, 443 size_t chainidx); 444 #endif 445 int tls_parse_stoc_etm(SSL *s, PACKET *pkt, unsigned int context, X509 *x, 446 size_t chainidx); 447 int tls_parse_stoc_ems(SSL *s, PACKET *pkt, unsigned int context, X509 *x, 448 size_t chainidx); 449 int tls_parse_stoc_supported_versions(SSL *s, PACKET *pkt, unsigned int context, 450 X509 *x, size_t chainidx); 451 int tls_parse_stoc_key_share(SSL *s, PACKET *pkt, unsigned int context, X509 *x, 452 size_t chainidx); 453 int tls_parse_stoc_cookie(SSL *s, PACKET *pkt, unsigned int context, X509 *x, 454 size_t chainidx); 455 int tls_parse_stoc_psk(SSL *s, PACKET *pkt, unsigned int context, X509 *x, 456 size_t chainidx); 457 #ifndef OPENSSL_NO_QUIC 458 int tls_parse_stoc_quic_transport_params_draft(SSL *s, PACKET *pkt, 459 unsigned int context, X509 *x, 460 size_t chainidx); 461 462 int tls_parse_stoc_quic_transport_params(SSL *s, PACKET *pkt, unsigned int context, 463 X509 *x, size_t chainidx); 464 #endif 465 466 int tls_handle_alpn(SSL *s); 467 468 int tls13_save_handshake_digest_for_pha(SSL *s); 469 int tls13_restore_handshake_digest_for_pha(SSL *s); 470