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Add support for the TLS 1.3 signature_algorithms_cert extension
[thirdparty/openssl.git] / ssl / statem / statem_locl.h
CommitLineData
846e33c7 1/*
cf72c757 2 * Copyright 2015-2017 The OpenSSL Project Authors. All Rights Reserved.
61ae935a 3 *
846e33c7
RS		 4 * Licensed under the OpenSSL license (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
61ae935a
MC		 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
ef6c191b 21#define END_OF_EARLY_DATA_MAX_LENGTH 0
61ae935a 22#define SERVER_HELLO_MAX_LENGTH 20000
3847d426 23#define HELLO_RETRY_REQUEST_MAX_LENGTH 20000
e46f2334 24#define ENCRYPTED_EXTENSIONS_MAX_LENGTH 20000
61ae935a
MC		 25#define SERVER_KEY_EXCH_MAX_LENGTH 102400
26#define SERVER_HELLO_DONE_MAX_LENGTH 0
e1c3de44 27#define KEY_UPDATE_MAX_LENGTH 1
61ae935a
MC		 28#define CCS_MAX_LENGTH 1
29/* Max should actually be 36 but we are generous */
30#define FINISHED_MAX_LENGTH 64
31
f14afcaa
MC		 32/* The maximum number of incoming KeyUpdate messages we will accept */
33#define MAX_KEY_UPDATE_MESSAGES 32
34
f7e393be
MC		 35/* Dummy message type */
36#define SSL3_MT_DUMMY -1
37
597c51bc
MC		 38extern const unsigned char hrrrandom[];
39
61ae935a 40/* Message processing return codes */
be3583fa 41typedef enum {
61ae935a
MC		 42 /* Something bad happened */
43 MSG_PROCESS_ERROR,
44 /* We've finished reading - swap to writing */
45 MSG_PROCESS_FINISHED_READING,
46 /*
47 * We've completed the main processing of this message but there is some
48 * post processing to be done.
49 */
50 MSG_PROCESS_CONTINUE_PROCESSING,
51 /* We've finished this message - read the next message */
52 MSG_PROCESS_CONTINUE_READING
be3583fa 53} MSG_PROCESS_RETURN;
61ae935a 54
a15c953f
MC		 55typedef int (*confunc_f) (SSL *s, WPACKET *pkt);
56
9e84a42d 57int check_in_list(SSL *s, uint16_t group_id, const uint16_t *groups,
aff9929b 58 size_t num_groups, int checkallow);
43054d3d
MC		 59int create_synthetic_message_hash(SSL *s, const unsigned char *hashval,
60 size_t hashlen, const unsigned char *hrr,
61 size_t hrrlen);
f63a17d6 62int parse_ca_names(SSL *s, PACKET *pkt);
5d6cca05 63int construct_ca_names(SSL *s, WPACKET *pkt);
f63a17d6 64size_t construct_key_exchange_tbs(SSL *s, unsigned char **ptbs,
72ceb6a6 65 const void *param, size_t paramlen);
5d6cca05 66
61ae935a
MC		 67/*
68 * TLS/DTLS client state machine functions
69 */
8481f583
MC		 70int ossl_statem_client_read_transition(SSL *s, int mt);
71WRITE_TRAN ossl_statem_client_write_transition(SSL *s);
72WORK_STATE ossl_statem_client_pre_work(SSL *s, WORK_STATE wst);
73WORK_STATE ossl_statem_client_post_work(SSL *s, WORK_STATE wst);
6392fb8e 74int ossl_statem_client_construct_message(SSL *s, WPACKET *pkt,
a15c953f 75 confunc_f *confunc, int *mt);
eda75751 76size_t ossl_statem_client_max_message_size(SSL *s);
8481f583
MC		 77MSG_PROCESS_RETURN ossl_statem_client_process_message(SSL *s, PACKET *pkt);
78WORK_STATE ossl_statem_client_post_process_message(SSL *s, WORK_STATE wst);
61ae935a
MC		 79
80/*
81 * TLS/DTLS server state machine functions
82 */
8481f583
MC		 83int ossl_statem_server_read_transition(SSL *s, int mt);
84WRITE_TRAN ossl_statem_server_write_transition(SSL *s);
85WORK_STATE ossl_statem_server_pre_work(SSL *s, WORK_STATE wst);
86WORK_STATE ossl_statem_server_post_work(SSL *s, WORK_STATE wst);
6392fb8e 87int ossl_statem_server_construct_message(SSL *s, WPACKET *pkt,
a15c953f 88 confunc_f *confunc,int *mt);
eda75751 89size_t ossl_statem_server_max_message_size(SSL *s);
8481f583
MC		 90MSG_PROCESS_RETURN ossl_statem_server_process_message(SSL *s, PACKET *pkt);
91WORK_STATE ossl_statem_server_post_process_message(SSL *s, WORK_STATE wst);
61ae935a
MC		 92
93/* Functions for getting new message data */
94__owur int tls_get_message_header(SSL *s, int *mt);
eda75751
MC		 95__owur int tls_get_message_body(SSL *s, size_t *len);
96__owur int dtls_get_message(SSL *s, int *mt, size_t *len);
61ae935a
MC		 97
98/* Message construction and processing functions */
f63a17d6 99__owur int tls_process_initial_server_flight(SSL *s);
be3583fa
MC		 100__owur MSG_PROCESS_RETURN tls_process_change_cipher_spec(SSL *s, PACKET *pkt);
101__owur MSG_PROCESS_RETURN tls_process_finished(SSL *s, PACKET *pkt);
7cea05dc
MC		 102__owur int tls_construct_change_cipher_spec(SSL *s, WPACKET *pkt);
103__owur int dtls_construct_change_cipher_spec(SSL *s, WPACKET *pkt);
61ae935a 104
229185e6 105__owur int tls_construct_finished(SSL *s, WPACKET *pkt);
44c04a2e 106__owur int tls_construct_key_update(SSL *s, WPACKET *pkt);
e1c3de44 107__owur MSG_PROCESS_RETURN tls_process_key_update(SSL *s, PACKET *pkt);
2a8db717
MC		 108__owur WORK_STATE tls_finish_handshake(SSL *s, WORK_STATE wst, int clearbufs,
109 int stop);
be3583fa 110__owur WORK_STATE dtls_wait_for_dry(SSL *s);
61ae935a
MC		 111
112/* some client-only functions */
7cea05dc 113__owur int tls_construct_client_hello(SSL *s, WPACKET *pkt);
be3583fa
MC		 114__owur MSG_PROCESS_RETURN tls_process_server_hello(SSL *s, PACKET *pkt);
115__owur MSG_PROCESS_RETURN tls_process_certificate_request(SSL *s, PACKET *pkt);
116__owur MSG_PROCESS_RETURN tls_process_new_session_ticket(SSL *s, PACKET *pkt);
f63a17d6 117__owur int tls_process_cert_status_body(SSL *s, PACKET *pkt);
be3583fa
MC		 118__owur MSG_PROCESS_RETURN tls_process_cert_status(SSL *s, PACKET *pkt);
119__owur MSG_PROCESS_RETURN tls_process_server_done(SSL *s, PACKET *pkt);
d8bc1399 120__owur int tls_construct_cert_verify(SSL *s, WPACKET *pkt);
be3583fa 121__owur WORK_STATE tls_prepare_client_certificate(SSL *s, WORK_STATE wst);
7cea05dc 122__owur int tls_construct_client_certificate(SSL *s, WPACKET *pkt);
61ae935a 123__owur int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey);
7cea05dc 124__owur int tls_construct_client_key_exchange(SSL *s, WPACKET *pkt);
61ae935a 125__owur int tls_client_key_exchange_post_work(SSL *s);
f63e4288 126__owur int tls_construct_cert_status_body(SSL *s, WPACKET *pkt);
7cea05dc 127__owur int tls_construct_cert_status(SSL *s, WPACKET *pkt);
a230b26e 128__owur MSG_PROCESS_RETURN tls_process_key_exchange(SSL *s, PACKET *pkt);
be3583fa 129__owur MSG_PROCESS_RETURN tls_process_server_certificate(SSL *s, PACKET *pkt);
61ae935a 130__owur int ssl3_check_cert_and_algorithm(SSL *s);
a230b26e 131#ifndef OPENSSL_NO_NEXTPROTONEG
7cea05dc 132__owur int tls_construct_next_proto(SSL *s, WPACKET *pkt);
a230b26e 133#endif
c7f47786 134__owur MSG_PROCESS_RETURN tls_process_hello_req(SSL *s, PACKET *pkt);
be3583fa 135__owur MSG_PROCESS_RETURN dtls_process_hello_verify(SSL *s, PACKET *pkt);
ef6c191b 136__owur int tls_construct_end_of_early_data(SSL *s, WPACKET *pkt);
61ae935a
MC		 137
138/* some server-only functions */
be3583fa
MC		 139__owur MSG_PROCESS_RETURN tls_process_client_hello(SSL *s, PACKET *pkt);
140__owur WORK_STATE tls_post_process_client_hello(SSL *s, WORK_STATE wst);
7cea05dc 141__owur int tls_construct_server_hello(SSL *s, WPACKET *pkt);
7cea05dc
MC		 142__owur int dtls_construct_hello_verify_request(SSL *s, WPACKET *pkt);
143__owur int tls_construct_server_certificate(SSL *s, WPACKET *pkt);
144__owur int tls_construct_server_key_exchange(SSL *s, WPACKET *pkt);
145__owur int tls_construct_certificate_request(SSL *s, WPACKET *pkt);
146__owur int tls_construct_server_done(SSL *s, WPACKET *pkt);
be3583fa
MC		 147__owur MSG_PROCESS_RETURN tls_process_client_certificate(SSL *s, PACKET *pkt);
148__owur MSG_PROCESS_RETURN tls_process_client_key_exchange(SSL *s, PACKET *pkt);
149__owur WORK_STATE tls_post_process_client_key_exchange(SSL *s, WORK_STATE wst);
150__owur MSG_PROCESS_RETURN tls_process_cert_verify(SSL *s, PACKET *pkt);
a230b26e 151#ifndef OPENSSL_NO_NEXTPROTONEG
be3583fa 152__owur MSG_PROCESS_RETURN tls_process_next_proto(SSL *s, PACKET *pkt);
a230b26e 153#endif
7cea05dc 154__owur int tls_construct_new_session_ticket(SSL *s, WPACKET *pkt);
ef6c191b 155MSG_PROCESS_RETURN tls_process_end_of_early_data(SSL *s, PACKET *pkt);
6b473aca 156
70af3d8e
MC		 157
158/* Extension processing */
159
355a0d10 160typedef enum ext_return_en {
b186a592
MC		 161 EXT_RETURN_FAIL,
162 EXT_RETURN_SENT,
163 EXT_RETURN_NOT_SENT
164} EXT_RETURN;
165
88050dd1
MC		 166__owur int tls_validate_all_contexts(SSL *s, unsigned int thisctx,
167 RAW_EXTENSION *exts);
43ae5eed
MC		 168__owur int extension_is_relevant(SSL *s, unsigned int extctx,
169 unsigned int thisctx);
70af3d8e 170__owur int tls_collect_extensions(SSL *s, PACKET *packet, unsigned int context,
f63a17d6 171 RAW_EXTENSION **res, size_t *len, int init);
7d152a3c 172__owur int tls_parse_extension(SSL *s, TLSEXT_INDEX idx, int context,
f63a17d6 173 RAW_EXTENSION *exts, X509 *x, size_t chainidx);
4b299b8e 174__owur int tls_parse_all_extensions(SSL *s, int context, RAW_EXTENSION *exts,
f63a17d6 175 X509 *x, size_t chainidx, int fin);
43ae5eed
MC		 176__owur int should_add_extension(SSL *s, unsigned int extctx,
177 unsigned int thisctx, int max_version);
4b299b8e 178__owur int tls_construct_extensions(SSL *s, WPACKET *pkt, unsigned int context,
f63a17d6 179 X509 *x, size_t chainidx);
25670f3e 180
1053a6e2
MC		 181__owur int tls_psk_do_binder(SSL *s, const EVP_MD *md,
182 const unsigned char *msgstart,
183 size_t binderoffset, const unsigned char *binderin,
184 unsigned char *binderout,
3a7c56b2 185 SSL_SESSION *sess, int sign, int external);
1053a6e2 186
25670f3e 187/* Server Extension processing */
61138358 188int tls_parse_ctos_renegotiate(SSL *s, PACKET *pkt, unsigned int context,
f63a17d6 189 X509 *x, size_t chainidx);
61138358 190int tls_parse_ctos_server_name(SSL *s, PACKET *pkt, unsigned int context,
f63a17d6 191 X509 *x, size_t chainidx);
cf72c757 192int tls_parse_ctos_maxfragmentlen(SSL *s, PACKET *pkt, unsigned int context,
f63a17d6 193 X509 *x, size_t chainidx);
25670f3e 194#ifndef OPENSSL_NO_SRP
61138358 195int tls_parse_ctos_srp(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
f63a17d6 196 size_t chainidx);
25670f3e 197#endif
0a87d0ac 198int tls_parse_ctos_early_data(SSL *s, PACKET *pkt, unsigned int context,
f63a17d6 199 X509 *x, size_t chainidx);
25670f3e 200#ifndef OPENSSL_NO_EC
61138358 201int tls_parse_ctos_ec_pt_formats(SSL *s, PACKET *pkt, unsigned int context,
f63a17d6 202 X509 *x, size_t chainidx);
61138358 203int tls_parse_ctos_supported_groups(SSL *s, PACKET *pkt, unsigned int context,
f63a17d6 204 X509 *x, size_t chainidxl);
25670f3e 205#endif
61138358 206int tls_parse_ctos_session_ticket(SSL *s, PACKET *pkt, unsigned int context,
f63a17d6 207 X509 *x, size_t chainidx);
c589c34e
BK		 208int tls_parse_ctos_sig_algs_cert(SSL *s, PACKET *pkt, unsigned int context,
209 X509 *x, size_t chainidx);
61138358 210int tls_parse_ctos_sig_algs(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
f63a17d6 211 size_t chainidx);
ab83e314 212#ifndef OPENSSL_NO_OCSP
61138358 213int tls_parse_ctos_status_request(SSL *s, PACKET *pkt, unsigned int context,
f63a17d6 214 X509 *x, size_t chainidx);
ab83e314 215#endif
25670f3e 216#ifndef OPENSSL_NO_NEXTPROTONEG
61138358 217int tls_parse_ctos_npn(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
f63a17d6 218 size_t chainidx);
25670f3e 219#endif
61138358 220int tls_parse_ctos_alpn(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
f63a17d6 221 size_t chainidx);
25670f3e 222#ifndef OPENSSL_NO_SRTP
61138358 223int tls_parse_ctos_use_srtp(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
f63a17d6 224 size_t chainidx);
25670f3e 225#endif
61138358 226int tls_parse_ctos_etm(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
f63a17d6 227 size_t chainidx);
61138358 228int tls_parse_ctos_key_share(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
f63a17d6 229 size_t chainidx);
43054d3d
MC		 230int tls_parse_ctos_cookie(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
231 size_t chainidx);
61138358 232int tls_parse_ctos_ems(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
f63a17d6 233 size_t chainidx);
61138358 234int tls_parse_ctos_psk_kex_modes(SSL *s, PACKET *pkt, unsigned int context,
f63a17d6 235 X509 *x, size_t chainidx);
61138358 236int tls_parse_ctos_psk(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
f63a17d6 237 size_t chainidx);
7da160b0 238
b186a592
MC		 239EXT_RETURN tls_construct_stoc_renegotiate(SSL *s, WPACKET *pkt,
240 unsigned int context, X509 *x,
f63a17d6 241 size_t chainidx);
b186a592
MC		 242EXT_RETURN tls_construct_stoc_server_name(SSL *s, WPACKET *pkt,
243 unsigned int context, X509 *x,
f63a17d6 244 size_t chainidx);
b186a592
MC		 245EXT_RETURN tls_construct_stoc_early_data(SSL *s, WPACKET *pkt,
246 unsigned int context, X509 *x,
f63a17d6 247 size_t chainidx);
cf72c757
F		 248EXT_RETURN tls_construct_stoc_maxfragmentlen(SSL *s, WPACKET *pkt,
249 unsigned int context, X509 *x,
f63a17d6 250 size_t chainidx);
ab83e314 251#ifndef OPENSSL_NO_EC
b186a592
MC		 252EXT_RETURN tls_construct_stoc_ec_pt_formats(SSL *s, WPACKET *pkt,
253 unsigned int context, X509 *x,
f63a17d6 254 size_t chainidx);
ab83e314 255#endif
b186a592
MC		 256EXT_RETURN tls_construct_stoc_supported_groups(SSL *s, WPACKET *pkt,
257 unsigned int context, X509 *x,
f63a17d6 258 size_t chainidx);
b186a592
MC		 259EXT_RETURN tls_construct_stoc_session_ticket(SSL *s, WPACKET *pkt,
260 unsigned int context, X509 *x,
f63a17d6 261 size_t chainidx);
ab83e314 262#ifndef OPENSSL_NO_OCSP
b186a592
MC		 263EXT_RETURN tls_construct_stoc_status_request(SSL *s, WPACKET *pkt,
264 unsigned int context, X509 *x,
f63a17d6 265 size_t chainidx);
ab83e314
MC		 266#endif
267#ifndef OPENSSL_NO_NEXTPROTONEG
b186a592
MC		 268EXT_RETURN tls_construct_stoc_next_proto_neg(SSL *s, WPACKET *pkt,
269 unsigned int context, X509 *x,
f63a17d6 270 size_t chainidx);
ab83e314 271#endif
b186a592 272EXT_RETURN tls_construct_stoc_alpn(SSL *s, WPACKET *pkt, unsigned int context,
f63a17d6 273 X509 *x, size_t chainidx);
ab83e314 274#ifndef OPENSSL_NO_SRTP
b186a592 275EXT_RETURN tls_construct_stoc_use_srtp(SSL *s, WPACKET *pkt, unsigned int context,
f63a17d6 276 X509 *x, size_t chainidx);
ab83e314 277#endif
b186a592 278EXT_RETURN tls_construct_stoc_etm(SSL *s, WPACKET *pkt, unsigned int context,
f63a17d6 279 X509 *x, size_t chainidx);
b186a592 280EXT_RETURN tls_construct_stoc_ems(SSL *s, WPACKET *pkt, unsigned int context,
f63a17d6 281 X509 *x, size_t chainidx);
88050dd1
MC		 282EXT_RETURN tls_construct_stoc_supported_versions(SSL *s, WPACKET *pkt,
283 unsigned int context, X509 *x,
284 size_t chainidx);
b186a592
MC		 285EXT_RETURN tls_construct_stoc_key_share(SSL *s, WPACKET *pkt,
286 unsigned int context, X509 *x,
f63a17d6 287 size_t chainidx);
43054d3d
MC		 288EXT_RETURN tls_construct_stoc_cookie(SSL *s, WPACKET *pkt, unsigned int context,
289 X509 *x, size_t chainidx);
7da160b0
MC		 290/*
291 * Not in public headers as this is not an official extension. Only used when
292 * SSL_OP_CRYPTOPRO_TLSEXT_BUG is set.
293 */
294#define TLSEXT_TYPE_cryptopro_bug 0xfde8
b186a592
MC		 295EXT_RETURN tls_construct_stoc_cryptopro_bug(SSL *s, WPACKET *pkt,
296 unsigned int context, X509 *x,
f63a17d6 297 size_t chainidx);
b186a592 298EXT_RETURN tls_construct_stoc_psk(SSL *s, WPACKET *pkt, unsigned int context,
f63a17d6 299 X509 *x, size_t chainidx);
6dd083fd
MC		 300
301/* Client Extension processing */
b186a592 302EXT_RETURN tls_construct_ctos_renegotiate(SSL *s, WPACKET *pkt, unsigned int context,
f63a17d6 303 X509 *x, size_t chainidx);
b186a592 304EXT_RETURN tls_construct_ctos_server_name(SSL *s, WPACKET *pkt, unsigned int context,
f63a17d6 305 X509 *x, size_t chainidx);
cf72c757 306EXT_RETURN tls_construct_ctos_maxfragmentlen(SSL *s, WPACKET *pkt, unsigned int context,
f63a17d6 307 X509 *x, size_t chainidx);
ab83e314 308#ifndef OPENSSL_NO_SRP
b186a592 309EXT_RETURN tls_construct_ctos_srp(SSL *s, WPACKET *pkt, unsigned int context, X509 *x,
f63a17d6 310 size_t chainidx);
ab83e314
MC		 311#endif
312#ifndef OPENSSL_NO_EC
b186a592
MC		 313EXT_RETURN tls_construct_ctos_ec_pt_formats(SSL *s, WPACKET *pkt,
314 unsigned int context, X509 *x,
f63a17d6 315 size_t chainidx);
b186a592
MC		 316EXT_RETURN tls_construct_ctos_supported_groups(SSL *s, WPACKET *pkt,
317 unsigned int context, X509 *x,
f63a17d6 318 size_t chainidx);
ab83e314 319#endif
b186a592
MC		 320EXT_RETURN tls_construct_ctos_early_data(SSL *s, WPACKET *pkt,
321 unsigned int context, X509 *x,
f63a17d6 322 size_t chainidx);
b186a592
MC		 323EXT_RETURN tls_construct_ctos_session_ticket(SSL *s, WPACKET *pkt,
324 unsigned int context, X509 *x,
f63a17d6 325 size_t chainidx);
b186a592
MC		 326EXT_RETURN tls_construct_ctos_sig_algs(SSL *s, WPACKET *pkt,
327 unsigned int context, X509 *x,
f63a17d6 328 size_t chainidx);
ab83e314 329#ifndef OPENSSL_NO_OCSP
b186a592
MC		 330EXT_RETURN tls_construct_ctos_status_request(SSL *s, WPACKET *pkt,
331 unsigned int context, X509 *x,
f63a17d6 332 size_t chainidx);
ab83e314
MC		 333#endif
334#ifndef OPENSSL_NO_NEXTPROTONEG
b186a592 335EXT_RETURN tls_construct_ctos_npn(SSL *s, WPACKET *pkt, unsigned int context,
f63a17d6 336 X509 *x, size_t chainidx);
ab83e314 337#endif
b186a592 338EXT_RETURN tls_construct_ctos_alpn(SSL *s, WPACKET *pkt, unsigned int context,
f63a17d6 339 X509 *x, size_t chainidx);
ab83e314 340#ifndef OPENSSL_NO_SRTP
b186a592 341EXT_RETURN tls_construct_ctos_use_srtp(SSL *s, WPACKET *pkt, unsigned int context,
f63a17d6 342 X509 *x, size_t chainidx);
ab83e314 343#endif
b186a592 344EXT_RETURN tls_construct_ctos_etm(SSL *s, WPACKET *pkt, unsigned int context,
f63a17d6 345 X509 *x, size_t chainidx);
ab83e314 346#ifndef OPENSSL_NO_CT
b186a592 347EXT_RETURN tls_construct_ctos_sct(SSL *s, WPACKET *pkt, unsigned int context,
f63a17d6 348 X509 *x, size_t chainidx);
ab83e314 349#endif
b186a592 350EXT_RETURN tls_construct_ctos_ems(SSL *s, WPACKET *pkt, unsigned int context,
f63a17d6 351 X509 *x, size_t chainidx);
b186a592
MC		 352EXT_RETURN tls_construct_ctos_supported_versions(SSL *s, WPACKET *pkt,
353 unsigned int context, X509 *x,
f63a17d6 354 size_t chainidx);
b186a592
MC		 355EXT_RETURN tls_construct_ctos_key_share(SSL *s, WPACKET *pkt,
356 unsigned int context, X509 *x,
f63a17d6 357 size_t chainidx);
b186a592
MC		 358EXT_RETURN tls_construct_ctos_psk_kex_modes(SSL *s, WPACKET *pkt,
359 unsigned int context, X509 *x,
f63a17d6 360 size_t chainidx);
b186a592 361EXT_RETURN tls_construct_ctos_cookie(SSL *s, WPACKET *pkt, unsigned int context,
f63a17d6 362 X509 *x, size_t chainidx);
b186a592
MC		 363EXT_RETURN tls_construct_ctos_padding(SSL *s, WPACKET *pkt,
364 unsigned int context, X509 *x,
f63a17d6 365 size_t chainidx);
b186a592 366EXT_RETURN tls_construct_ctos_psk(SSL *s, WPACKET *pkt, unsigned int context,
f63a17d6 367 X509 *x, size_t chainidx);
61138358 368int tls_parse_stoc_renegotiate(SSL *s, PACKET *pkt, unsigned int context,
f63a17d6 369 X509 *x, size_t chainidx);
61138358 370int tls_parse_stoc_server_name(SSL *s, PACKET *pkt, unsigned int context,
f63a17d6 371 X509 *x, size_t chainidx);
b2cc7f31 372int tls_parse_stoc_early_data(SSL *s, PACKET *pkt, unsigned int context,
f63a17d6 373 X509 *x, size_t chainidx);
cf72c757 374int tls_parse_stoc_maxfragmentlen(SSL *s, PACKET *pkt, unsigned int context,
f63a17d6 375 X509 *x, size_t chainidx);
6dd083fd 376#ifndef OPENSSL_NO_EC
61138358 377int tls_parse_stoc_ec_pt_formats(SSL *s, PACKET *pkt, unsigned int context,
f63a17d6 378 X509 *x, size_t chainidx);
6dd083fd 379#endif
61138358 380int tls_parse_stoc_session_ticket(SSL *s, PACKET *pkt, unsigned int context,
f63a17d6 381 X509 *x, size_t chainidx);
ab83e314 382#ifndef OPENSSL_NO_OCSP
61138358 383int tls_parse_stoc_status_request(SSL *s, PACKET *pkt, unsigned int context,
f63a17d6 384 X509 *x, size_t chainidx);
ab83e314 385#endif
6dd083fd 386#ifndef OPENSSL_NO_CT
61138358 387int tls_parse_stoc_sct(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
f63a17d6 388 size_t chainidx);
6dd083fd
MC		 389#endif
390#ifndef OPENSSL_NO_NEXTPROTONEG
61138358 391int tls_parse_stoc_npn(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
f63a17d6 392 size_t chainidx);
6dd083fd 393#endif
61138358 394int tls_parse_stoc_alpn(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
f63a17d6 395 size_t chainidx);
6dd083fd 396#ifndef OPENSSL_NO_SRTP
61138358 397int tls_parse_stoc_use_srtp(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
f63a17d6 398 size_t chainidx);
6dd083fd 399#endif
61138358 400int tls_parse_stoc_etm(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
f63a17d6 401 size_t chainidx);
61138358 402int tls_parse_stoc_ems(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
f63a17d6 403 size_t chainidx);
88050dd1
MC		 404int tls_parse_stoc_supported_versions(SSL *s, PACKET *pkt, unsigned int context,
405 X509 *x, size_t chainidx);
61138358 406int tls_parse_stoc_key_share(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
f63a17d6 407 size_t chainidx);
cfef5027 408int tls_parse_stoc_cookie(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
f63a17d6 409 size_t chainidx);
61138358 410int tls_parse_stoc_psk(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
f63a17d6 411 size_t chainidx);
630369d9 412
f63a17d6 413int tls_handle_alpn(SSL *s);
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