2 * Copyright 2015-2023 The OpenSSL Project Authors. All Rights Reserved.
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
10 /*****************************************************************************
12 * The following definitions are PRIVATE to the state machine. They should *
13 * NOT be used outside of the state machine. *
15 *****************************************************************************/
17 /* Max message length definitions */
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
31 /* Max ServerHello size permitted by RFC 8446 */
32 #define SERVER_HELLO_MAX_LENGTH 65607
34 /* Max CertificateVerify size permitted by RFC 8446 */
35 #define CERTIFICATE_VERIFY_MAX_LENGTH 65539
37 /* Max should actually be 36 but we are generous */
38 #define FINISHED_MAX_LENGTH 64
40 /* Dummy message type */
41 #define SSL3_MT_DUMMY -1
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);
48 extern const unsigned char hrrrandom[];
50 /* Message processing return codes */
52 /* Something bad happened */
54 /* We've finished reading - swap to writing */
55 MSG_PROCESS_FINISHED_READING,
57 * We've completed the main processing of this message but there is some
58 * post processing to be done.
60 MSG_PROCESS_CONTINUE_PROCESSING,
61 /* We've finished this message - read the next message */
62 MSG_PROCESS_CONTINUE_READING
65 typedef CON_FUNC_RETURN (*confunc_f) (SSL_CONNECTION *s, WPACKET *pkt);
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,
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,
78 size_t construct_key_exchange_tbs(SSL_CONNECTION *s, unsigned char **ptbs,
79 const void *param, size_t paramlen);
82 * TLS/DTLS client state machine functions
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,
93 WORK_STATE ossl_statem_client_post_process_message(SSL_CONNECTION *s,
97 * TLS/DTLS server state machine functions
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,
108 WORK_STATE ossl_statem_server_post_process_message(SSL_CONNECTION *s,
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);
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,
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,
124 __owur CON_FUNC_RETURN dtls_construct_change_cipher_spec(SSL_CONNECTION *s,
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,
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);
135 #ifndef OPENSSL_NO_COMP_ALG
136 __owur MSG_PROCESS_RETURN tls13_process_compressed_certificate(SSL_CONNECTION *sc,
142 /* some client-only functions */
143 __owur CON_FUNC_RETURN tls_construct_client_hello(SSL_CONNECTION *s,
145 __owur MSG_PROCESS_RETURN tls_process_server_hello(SSL_CONNECTION *s,
147 __owur MSG_PROCESS_RETURN tls_process_certificate_request(SSL_CONNECTION *s,
149 __owur MSG_PROCESS_RETURN tls_process_new_session_ticket(SSL_CONNECTION *s,
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,
154 __owur MSG_PROCESS_RETURN tls_process_server_done(SSL_CONNECTION *s,
156 __owur CON_FUNC_RETURN tls_construct_cert_verify(SSL_CONNECTION *s,
158 __owur WORK_STATE tls_prepare_client_certificate(SSL_CONNECTION *s,
160 __owur CON_FUNC_RETURN tls_construct_client_certificate(SSL_CONNECTION *s,
162 #ifndef OPENSSL_NO_COMP_ALG
163 __owur CON_FUNC_RETURN tls_construct_client_compressed_certificate(SSL_CONNECTION *sc,
166 __owur int ssl_do_client_cert_cb(SSL_CONNECTION *s, X509 **px509,
168 __owur CON_FUNC_RETURN tls_construct_client_key_exchange(SSL_CONNECTION *s,
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,
174 __owur MSG_PROCESS_RETURN tls_process_key_exchange(SSL_CONNECTION *s,
176 __owur MSG_PROCESS_RETURN tls_process_server_rpk(SSL_CONNECTION *sc,
178 __owur MSG_PROCESS_RETURN tls_process_client_rpk(SSL_CONNECTION *sc,
180 __owur unsigned long tls_output_rpk(SSL_CONNECTION *sc, WPACKET *pkt,
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,
185 __owur WORK_STATE tls_post_process_server_certificate(SSL_CONNECTION *s,
187 #ifndef OPENSSL_NO_COMP_ALG
188 __owur MSG_PROCESS_RETURN tls_process_server_compressed_certificate(SSL_CONNECTION *sc,
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);
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,
200 /* some server-only functions */
201 __owur MSG_PROCESS_RETURN tls_process_client_hello(SSL_CONNECTION *s,
203 __owur WORK_STATE tls_post_process_client_hello(SSL_CONNECTION *s,
205 __owur CON_FUNC_RETURN tls_construct_server_hello(SSL_CONNECTION *s,
207 __owur CON_FUNC_RETURN dtls_construct_hello_verify_request(SSL_CONNECTION *s,
209 __owur CON_FUNC_RETURN tls_construct_server_certificate(SSL_CONNECTION *s,
211 #ifndef OPENSSL_NO_COMP_ALG
212 __owur CON_FUNC_RETURN tls_construct_server_compressed_certificate(SSL_CONNECTION *sc,
215 __owur CON_FUNC_RETURN tls_construct_server_key_exchange(SSL_CONNECTION *s,
217 __owur CON_FUNC_RETURN tls_construct_certificate_request(SSL_CONNECTION *s,
219 __owur CON_FUNC_RETURN tls_construct_server_done(SSL_CONNECTION *s,
221 __owur MSG_PROCESS_RETURN tls_process_client_certificate(SSL_CONNECTION *s,
223 #ifndef OPENSSL_NO_COMP_ALG
224 __owur MSG_PROCESS_RETURN tls_process_client_compressed_certificate(SSL_CONNECTION *sc,
227 __owur MSG_PROCESS_RETURN tls_process_client_key_exchange(SSL_CONNECTION *s,
229 __owur WORK_STATE tls_post_process_client_key_exchange(SSL_CONNECTION *s,
231 __owur MSG_PROCESS_RETURN tls_process_cert_verify(SSL_CONNECTION *s,
233 #ifndef OPENSSL_NO_NEXTPROTONEG
234 __owur MSG_PROCESS_RETURN tls_process_next_proto(SSL_CONNECTION *s,
237 __owur CON_FUNC_RETURN tls_construct_new_session_ticket(SSL_CONNECTION *s,
239 MSG_PROCESS_RETURN tls_process_end_of_early_data(SSL_CONNECTION *s,
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);
248 /* Extension processing */
250 typedef enum ext_return_en {
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,
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);
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);
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);
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);
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);
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);
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);
343 EXT_RETURN tls_construct_stoc_renegotiate(SSL_CONNECTION *s, WPACKET *pkt,
344 unsigned int context, X509 *x,
346 EXT_RETURN tls_construct_stoc_server_name(SSL_CONNECTION *s, WPACKET *pkt,
347 unsigned int context, X509 *x,
349 EXT_RETURN tls_construct_stoc_early_data(SSL_CONNECTION *s, WPACKET *pkt,
350 unsigned int context, X509 *x,
352 EXT_RETURN tls_construct_stoc_maxfragmentlen(SSL_CONNECTION *s, WPACKET *pkt,
353 unsigned int context, X509 *x,
355 EXT_RETURN tls_construct_stoc_ec_pt_formats(SSL_CONNECTION *s, WPACKET *pkt,
356 unsigned int context, X509 *x,
358 EXT_RETURN tls_construct_stoc_supported_groups(SSL_CONNECTION *s, WPACKET *pkt,
359 unsigned int context, X509 *x,
361 EXT_RETURN tls_construct_stoc_session_ticket(SSL_CONNECTION *s, WPACKET *pkt,
362 unsigned int context, X509 *x,
364 #ifndef OPENSSL_NO_OCSP
365 EXT_RETURN tls_construct_stoc_status_request(SSL_CONNECTION *s, WPACKET *pkt,
366 unsigned int context, X509 *x,
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,
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);
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,
391 EXT_RETURN tls_construct_stoc_key_share(SSL_CONNECTION *s, WPACKET *pkt,
392 unsigned int context, X509 *x,
394 EXT_RETURN tls_construct_stoc_cookie(SSL_CONNECTION *s, WPACKET *pkt,
395 unsigned int context,
396 X509 *x, size_t chainidx);
398 * Not in public headers as this is not an official extension. Only used when
399 * SSL_OP_CRYPTOPRO_TLSEXT_BUG is set.
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,
405 EXT_RETURN tls_construct_stoc_psk(SSL_CONNECTION *s, WPACKET *pkt,
406 unsigned int context,
407 X509 *x, size_t chainidx);
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,
424 EXT_RETURN tls_construct_ctos_ec_pt_formats(SSL_CONNECTION *s, WPACKET *pkt,
425 unsigned int context, X509 *x,
427 EXT_RETURN tls_construct_ctos_supported_groups(SSL_CONNECTION *s, WPACKET *pkt,
428 unsigned int context, X509 *x,
431 EXT_RETURN tls_construct_ctos_early_data(SSL_CONNECTION *s, WPACKET *pkt,
432 unsigned int context, X509 *x,
434 EXT_RETURN tls_construct_ctos_session_ticket(SSL_CONNECTION *s, WPACKET *pkt,
435 unsigned int context, X509 *x,
437 EXT_RETURN tls_construct_ctos_sig_algs(SSL_CONNECTION *s, WPACKET *pkt,
438 unsigned int context, X509 *x,
440 #ifndef OPENSSL_NO_OCSP
441 EXT_RETURN tls_construct_ctos_status_request(SSL_CONNECTION *s, WPACKET *pkt,
442 unsigned int context, X509 *x,
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);
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);
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);
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,
472 EXT_RETURN tls_construct_ctos_key_share(SSL_CONNECTION *s, WPACKET *pkt,
473 unsigned int context, X509 *x,
475 EXT_RETURN tls_construct_ctos_psk_kex_modes(SSL_CONNECTION *s, WPACKET *pkt,
476 unsigned int context, X509 *x,
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,
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);
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);
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);
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);
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);
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);
542 int tls_handle_alpn(SSL_CONNECTION *s);
544 int tls13_save_handshake_digest_for_pha(SSL_CONNECTION *s);
545 int tls13_restore_handshake_digest_for_pha(SSL_CONNECTION *s);
547 __owur EVP_PKEY* tls_get_peer_pkey(const SSL_CONNECTION *sc);
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);