2 * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
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
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 SERVER_HELLO_MAX_LENGTH 20000
23 #define HELLO_RETRY_REQUEST_MAX_LENGTH 20000
24 #define ENCRYPTED_EXTENSIONS_MAX_LENGTH 20000
25 #define SERVER_KEY_EXCH_MAX_LENGTH 102400
26 #define SERVER_HELLO_DONE_MAX_LENGTH 0
27 #define KEY_UPDATE_MAX_LENGTH 1
28 #define CCS_MAX_LENGTH 1
29 /* Max should actually be 36 but we are generous */
30 #define FINISHED_MAX_LENGTH 64
32 /* The maximum number of incoming KeyUpdate messages we will accept */
33 #define MAX_KEY_UPDATE_MESSAGES 32
35 /* Dummy message type */
36 #define SSL3_MT_DUMMY -1
38 /* Message processing return codes */
40 /* Something bad happened */
42 /* We've finished reading - swap to writing */
43 MSG_PROCESS_FINISHED_READING
,
45 * We've completed the main processing of this message but there is some
46 * post processing to be done.
48 MSG_PROCESS_CONTINUE_PROCESSING
,
49 /* We've finished this message - read the next message */
50 MSG_PROCESS_CONTINUE_READING
53 /* Flush the write BIO */
54 int statem_flush(SSL
*s
);
56 typedef int (*confunc_f
) (SSL
*s
, WPACKET
*pkt
);
58 #define GET_GROUP_ID(group, idx) \
59 (unsigned int)(((group)[(idx) * 2] << 8) | (group)[((idx) * 2) + 1])
61 int check_in_list(SSL
*s
, unsigned int group_id
, const unsigned char *groups
,
62 size_t num_groups
, int checkallow
);
63 int create_synthetic_message_hash(SSL
*s
);
64 int parse_ca_names(SSL
*s
, PACKET
*pkt
, int *al
);
65 int construct_ca_names(SSL
*s
, WPACKET
*pkt
);
66 size_t construct_key_exchange_tbs(const SSL
*s
, unsigned char **ptbs
,
67 const void *param
, size_t paramlen
);
70 * TLS/DTLS client state machine functions
72 int ossl_statem_client_read_transition(SSL
*s
, int mt
);
73 WRITE_TRAN
ossl_statem_client_write_transition(SSL
*s
);
74 WORK_STATE
ossl_statem_client_pre_work(SSL
*s
, WORK_STATE wst
);
75 WORK_STATE
ossl_statem_client_post_work(SSL
*s
, WORK_STATE wst
);
76 int ossl_statem_client_construct_message(SSL
*s
, WPACKET
*pkt
,
77 confunc_f
*confunc
, int *mt
);
78 size_t ossl_statem_client_max_message_size(SSL
*s
);
79 MSG_PROCESS_RETURN
ossl_statem_client_process_message(SSL
*s
, PACKET
*pkt
);
80 WORK_STATE
ossl_statem_client_post_process_message(SSL
*s
, WORK_STATE wst
);
83 * TLS/DTLS server state machine functions
85 int ossl_statem_server_read_transition(SSL
*s
, int mt
);
86 WRITE_TRAN
ossl_statem_server_write_transition(SSL
*s
);
87 WORK_STATE
ossl_statem_server_pre_work(SSL
*s
, WORK_STATE wst
);
88 WORK_STATE
ossl_statem_server_post_work(SSL
*s
, WORK_STATE wst
);
89 int ossl_statem_server_construct_message(SSL
*s
, WPACKET
*pkt
,
90 confunc_f
*confunc
,int *mt
);
91 size_t ossl_statem_server_max_message_size(SSL
*s
);
92 MSG_PROCESS_RETURN
ossl_statem_server_process_message(SSL
*s
, PACKET
*pkt
);
93 WORK_STATE
ossl_statem_server_post_process_message(SSL
*s
, WORK_STATE wst
);
95 /* Functions for getting new message data */
96 __owur
int tls_get_message_header(SSL
*s
, int *mt
);
97 __owur
int tls_get_message_body(SSL
*s
, size_t *len
);
98 __owur
int dtls_get_message(SSL
*s
, int *mt
, size_t *len
);
100 /* Message construction and processing functions */
101 __owur
int tls_process_initial_server_flight(SSL
*s
, int *al
);
102 __owur MSG_PROCESS_RETURN
tls_process_change_cipher_spec(SSL
*s
, PACKET
*pkt
);
103 __owur MSG_PROCESS_RETURN
tls_process_finished(SSL
*s
, PACKET
*pkt
);
104 __owur
int tls_construct_change_cipher_spec(SSL
*s
, WPACKET
*pkt
);
105 __owur
int dtls_construct_change_cipher_spec(SSL
*s
, WPACKET
*pkt
);
107 __owur
int tls_construct_finished(SSL
*s
, WPACKET
*pkt
);
108 __owur
int tls_construct_key_update(SSL
*s
, WPACKET
*pkt
);
109 __owur MSG_PROCESS_RETURN
tls_process_key_update(SSL
*s
, PACKET
*pkt
);
110 __owur WORK_STATE
tls_finish_handshake(SSL
*s
, WORK_STATE wst
, int clearbufs
);
111 __owur WORK_STATE
dtls_wait_for_dry(SSL
*s
);
113 /* some client-only functions */
114 __owur
int tls_construct_client_hello(SSL
*s
, WPACKET
*pkt
);
115 __owur MSG_PROCESS_RETURN
tls_process_server_hello(SSL
*s
, PACKET
*pkt
);
116 __owur MSG_PROCESS_RETURN
tls_process_certificate_request(SSL
*s
, PACKET
*pkt
);
117 __owur MSG_PROCESS_RETURN
tls_process_new_session_ticket(SSL
*s
, PACKET
*pkt
);
118 __owur
int tls_process_cert_status_body(SSL
*s
, PACKET
*pkt
, int *al
);
119 __owur MSG_PROCESS_RETURN
tls_process_cert_status(SSL
*s
, PACKET
*pkt
);
120 __owur MSG_PROCESS_RETURN
tls_process_server_done(SSL
*s
, PACKET
*pkt
);
121 __owur
int tls_construct_cert_verify(SSL
*s
, WPACKET
*pkt
);
122 __owur WORK_STATE
tls_prepare_client_certificate(SSL
*s
, WORK_STATE wst
);
123 __owur
int tls_construct_client_certificate(SSL
*s
, WPACKET
*pkt
);
124 __owur
int ssl_do_client_cert_cb(SSL
*s
, X509
**px509
, EVP_PKEY
**ppkey
);
125 __owur
int tls_construct_client_key_exchange(SSL
*s
, WPACKET
*pkt
);
126 __owur
int tls_client_key_exchange_post_work(SSL
*s
);
127 __owur
int tls_construct_cert_status_body(SSL
*s
, WPACKET
*pkt
);
128 __owur
int tls_construct_cert_status(SSL
*s
, WPACKET
*pkt
);
129 __owur MSG_PROCESS_RETURN
tls_process_key_exchange(SSL
*s
, PACKET
*pkt
);
130 __owur MSG_PROCESS_RETURN
tls_process_server_certificate(SSL
*s
, PACKET
*pkt
);
131 __owur
int ssl3_check_cert_and_algorithm(SSL
*s
);
132 #ifndef OPENSSL_NO_NEXTPROTONEG
133 __owur
int tls_construct_next_proto(SSL
*s
, WPACKET
*pkt
);
135 __owur MSG_PROCESS_RETURN
tls_process_hello_req(SSL
*s
, PACKET
*pkt
);
136 __owur MSG_PROCESS_RETURN
dtls_process_hello_verify(SSL
*s
, PACKET
*pkt
);
137 __owur
int tls_construct_end_of_early_data(SSL
*s
, WPACKET
*pkt
);
139 /* some server-only functions */
140 __owur MSG_PROCESS_RETURN
tls_process_client_hello(SSL
*s
, PACKET
*pkt
);
141 __owur WORK_STATE
tls_post_process_client_hello(SSL
*s
, WORK_STATE wst
);
142 __owur
int tls_construct_server_hello(SSL
*s
, WPACKET
*pkt
);
143 __owur
int dtls_construct_hello_verify_request(SSL
*s
, WPACKET
*pkt
);
144 __owur
int tls_construct_server_certificate(SSL
*s
, WPACKET
*pkt
);
145 __owur
int tls_construct_server_key_exchange(SSL
*s
, WPACKET
*pkt
);
146 __owur
int tls_construct_certificate_request(SSL
*s
, WPACKET
*pkt
);
147 __owur
int tls_construct_server_done(SSL
*s
, WPACKET
*pkt
);
148 __owur MSG_PROCESS_RETURN
tls_process_client_certificate(SSL
*s
, PACKET
*pkt
);
149 __owur MSG_PROCESS_RETURN
tls_process_client_key_exchange(SSL
*s
, PACKET
*pkt
);
150 __owur WORK_STATE
tls_post_process_client_key_exchange(SSL
*s
, WORK_STATE wst
);
151 __owur MSG_PROCESS_RETURN
tls_process_cert_verify(SSL
*s
, PACKET
*pkt
);
152 #ifndef OPENSSL_NO_NEXTPROTONEG
153 __owur MSG_PROCESS_RETURN
tls_process_next_proto(SSL
*s
, PACKET
*pkt
);
155 __owur
int tls_construct_new_session_ticket(SSL
*s
, WPACKET
*pkt
);
156 MSG_PROCESS_RETURN
tls_process_end_of_early_data(SSL
*s
, PACKET
*pkt
);
159 /* Extension processing */
161 typedef enum ext_return_en
{
167 __owur
int extension_is_relevant(SSL
*s
, unsigned int extctx
,
168 unsigned int thisctx
);
169 __owur
int tls_collect_extensions(SSL
*s
, PACKET
*packet
, unsigned int context
,
170 RAW_EXTENSION
**res
, int *al
, size_t *len
,
172 __owur
int tls_parse_extension(SSL
*s
, TLSEXT_INDEX idx
, int context
,
173 RAW_EXTENSION
*exts
, X509
*x
, size_t chainidx
,
175 __owur
int tls_parse_all_extensions(SSL
*s
, int context
, RAW_EXTENSION
*exts
,
176 X509
*x
, size_t chainidx
, int *al
, int fin
);
177 __owur
int should_add_extension(SSL
*s
, unsigned int extctx
,
178 unsigned int thisctx
, int max_version
);
179 __owur
int tls_construct_extensions(SSL
*s
, WPACKET
*pkt
, unsigned int context
,
180 X509
*x
, size_t chainidx
, int *al
);
182 __owur
int tls_psk_do_binder(SSL
*s
, const EVP_MD
*md
,
183 const unsigned char *msgstart
,
184 size_t binderoffset
, const unsigned char *binderin
,
185 unsigned char *binderout
,
186 SSL_SESSION
*sess
, int sign
, int external
);
188 /* Server Extension processing */
189 int tls_parse_ctos_renegotiate(SSL
*s
, PACKET
*pkt
, unsigned int context
,
190 X509
*x
, size_t chainidx
, int *al
);
191 int tls_parse_ctos_server_name(SSL
*s
, PACKET
*pkt
, unsigned int context
,
192 X509
*x
, size_t chainidx
, int *al
);
193 #ifndef OPENSSL_NO_SRP
194 int tls_parse_ctos_srp(SSL
*s
, PACKET
*pkt
, unsigned int context
, X509
*x
,
195 size_t chainidx
, int *al
);
197 int tls_parse_ctos_early_data(SSL
*s
, PACKET
*pkt
, unsigned int context
,
198 X509
*x
, size_t chainidx
, int *al
);
199 #ifndef OPENSSL_NO_EC
200 int tls_parse_ctos_ec_pt_formats(SSL
*s
, PACKET
*pkt
, unsigned int context
,
201 X509
*x
, size_t chainidx
, int *al
);
202 int tls_parse_ctos_supported_groups(SSL
*s
, PACKET
*pkt
, unsigned int context
,
203 X509
*x
, size_t chainidx
, int *al
);
205 int tls_parse_ctos_session_ticket(SSL
*s
, PACKET
*pkt
, unsigned int context
,
206 X509
*x
, size_t chainidx
, int *al
);
207 int tls_parse_ctos_sig_algs(SSL
*s
, PACKET
*pkt
, unsigned int context
, X509
*x
,
208 size_t chainidx
, int *al
);
209 #ifndef OPENSSL_NO_OCSP
210 int tls_parse_ctos_status_request(SSL
*s
, PACKET
*pkt
, unsigned int context
,
211 X509
*x
, size_t chainidx
, int *al
);
213 #ifndef OPENSSL_NO_NEXTPROTONEG
214 int tls_parse_ctos_npn(SSL
*s
, PACKET
*pkt
, unsigned int context
, X509
*x
,
215 size_t chainidx
, int *al
);
217 int tls_parse_ctos_alpn(SSL
*s
, PACKET
*pkt
, unsigned int context
, X509
*x
,
218 size_t chainidx
, int *al
);
219 #ifndef OPENSSL_NO_SRTP
220 int tls_parse_ctos_use_srtp(SSL
*s
, PACKET
*pkt
, unsigned int context
, X509
*x
,
221 size_t chainidx
, int *al
);
223 int tls_parse_ctos_etm(SSL
*s
, PACKET
*pkt
, unsigned int context
, X509
*x
,
224 size_t chainidx
, int *al
);
225 int tls_parse_ctos_key_share(SSL
*s
, PACKET
*pkt
, unsigned int context
, X509
*x
,
226 size_t chainidx
, int *al
);
227 int tls_parse_ctos_ems(SSL
*s
, PACKET
*pkt
, unsigned int context
, X509
*x
,
228 size_t chainidx
, int *al
);
229 int tls_parse_ctos_psk_kex_modes(SSL
*s
, PACKET
*pkt
, unsigned int context
,
230 X509
*x
, size_t chainidx
, int *al
);
231 int tls_parse_ctos_psk(SSL
*s
, PACKET
*pkt
, unsigned int context
, X509
*x
,
232 size_t chainidx
, int *al
);
234 EXT_RETURN
tls_construct_stoc_renegotiate(SSL
*s
, WPACKET
*pkt
,
235 unsigned int context
, X509
*x
,
236 size_t chainidx
, int *al
);
237 EXT_RETURN
tls_construct_stoc_server_name(SSL
*s
, WPACKET
*pkt
,
238 unsigned int context
, X509
*x
,
239 size_t chainidx
, int *al
);
240 EXT_RETURN
tls_construct_stoc_early_data(SSL
*s
, WPACKET
*pkt
,
241 unsigned int context
, X509
*x
,
242 size_t chainidx
, int *al
);
243 #ifndef OPENSSL_NO_EC
244 EXT_RETURN
tls_construct_stoc_ec_pt_formats(SSL
*s
, WPACKET
*pkt
,
245 unsigned int context
, X509
*x
,
246 size_t chainidx
, int *al
);
248 EXT_RETURN
tls_construct_stoc_supported_groups(SSL
*s
, WPACKET
*pkt
,
249 unsigned int context
, X509
*x
,
250 size_t chainidx
, int *al
);
251 EXT_RETURN
tls_construct_stoc_session_ticket(SSL
*s
, WPACKET
*pkt
,
252 unsigned int context
, X509
*x
,
253 size_t chainidx
, int *al
);
254 #ifndef OPENSSL_NO_OCSP
255 EXT_RETURN
tls_construct_stoc_status_request(SSL
*s
, WPACKET
*pkt
,
256 unsigned int context
, X509
*x
,
257 size_t chainidx
, int *al
);
259 #ifndef OPENSSL_NO_NEXTPROTONEG
260 EXT_RETURN
tls_construct_stoc_next_proto_neg(SSL
*s
, WPACKET
*pkt
,
261 unsigned int context
, X509
*x
,
262 size_t chainidx
, int *al
);
264 EXT_RETURN
tls_construct_stoc_alpn(SSL
*s
, WPACKET
*pkt
, unsigned int context
,
265 X509
*x
, size_t chainidx
, int *al
);
266 #ifndef OPENSSL_NO_SRTP
267 EXT_RETURN
tls_construct_stoc_use_srtp(SSL
*s
, WPACKET
*pkt
, unsigned int context
,
268 X509
*x
, size_t chainidx
, int *al
);
270 EXT_RETURN
tls_construct_stoc_etm(SSL
*s
, WPACKET
*pkt
, unsigned int context
,
271 X509
*x
, size_t chainidx
, int *al
);
272 EXT_RETURN
tls_construct_stoc_ems(SSL
*s
, WPACKET
*pkt
, unsigned int context
,
273 X509
*x
, size_t chainidx
, int *al
);
274 EXT_RETURN
tls_construct_stoc_key_share(SSL
*s
, WPACKET
*pkt
,
275 unsigned int context
, X509
*x
,
276 size_t chainidx
, int *al
);
278 * Not in public headers as this is not an official extension. Only used when
279 * SSL_OP_CRYPTOPRO_TLSEXT_BUG is set.
281 #define TLSEXT_TYPE_cryptopro_bug 0xfde8
282 EXT_RETURN
tls_construct_stoc_cryptopro_bug(SSL
*s
, WPACKET
*pkt
,
283 unsigned int context
, X509
*x
,
284 size_t chainidx
, int *al
);
285 EXT_RETURN
tls_construct_stoc_psk(SSL
*s
, WPACKET
*pkt
, unsigned int context
,
286 X509
*x
, size_t chainidx
, int *al
);
288 /* Client Extension processing */
289 EXT_RETURN
tls_construct_ctos_renegotiate(SSL
*s
, WPACKET
*pkt
, unsigned int context
,
290 X509
*x
, size_t chainidx
, int *al
);
291 EXT_RETURN
tls_construct_ctos_server_name(SSL
*s
, WPACKET
*pkt
, unsigned int context
,
292 X509
*x
, size_t chainidx
, int *al
);
293 #ifndef OPENSSL_NO_SRP
294 EXT_RETURN
tls_construct_ctos_srp(SSL
*s
, WPACKET
*pkt
, unsigned int context
, X509
*x
,
295 size_t chainidx
, int *al
);
297 #ifndef OPENSSL_NO_EC
298 EXT_RETURN
tls_construct_ctos_ec_pt_formats(SSL
*s
, WPACKET
*pkt
,
299 unsigned int context
, X509
*x
,
300 size_t chainidx
, int *al
);
301 EXT_RETURN
tls_construct_ctos_supported_groups(SSL
*s
, WPACKET
*pkt
,
302 unsigned int context
, X509
*x
,
303 size_t chainidx
, int *al
);
305 EXT_RETURN
tls_construct_ctos_early_data(SSL
*s
, WPACKET
*pkt
,
306 unsigned int context
, X509
*x
,
307 size_t chainidx
, int *al
);
308 EXT_RETURN
tls_construct_ctos_session_ticket(SSL
*s
, WPACKET
*pkt
,
309 unsigned int context
, X509
*x
,
310 size_t chainidx
, int *al
);
311 EXT_RETURN
tls_construct_ctos_sig_algs(SSL
*s
, WPACKET
*pkt
,
312 unsigned int context
, X509
*x
,
313 size_t chainidx
, int *al
);
314 #ifndef OPENSSL_NO_OCSP
315 EXT_RETURN
tls_construct_ctos_status_request(SSL
*s
, WPACKET
*pkt
,
316 unsigned int context
, X509
*x
,
317 size_t chainidx
, int *al
);
319 #ifndef OPENSSL_NO_NEXTPROTONEG
320 EXT_RETURN
tls_construct_ctos_npn(SSL
*s
, WPACKET
*pkt
, unsigned int context
,
321 X509
*x
, size_t chainidx
, int *al
);
323 EXT_RETURN
tls_construct_ctos_alpn(SSL
*s
, WPACKET
*pkt
, unsigned int context
,
324 X509
*x
, size_t chainidx
, int *al
);
325 #ifndef OPENSSL_NO_SRTP
326 EXT_RETURN
tls_construct_ctos_use_srtp(SSL
*s
, WPACKET
*pkt
, unsigned int context
,
327 X509
*x
, size_t chainidx
, int *al
);
329 EXT_RETURN
tls_construct_ctos_etm(SSL
*s
, WPACKET
*pkt
, unsigned int context
,
330 X509
*x
, size_t chainidx
, int *al
);
331 #ifndef OPENSSL_NO_CT
332 EXT_RETURN
tls_construct_ctos_sct(SSL
*s
, WPACKET
*pkt
, unsigned int context
,
333 X509
*x
, size_t chainidx
, int *al
);
335 EXT_RETURN
tls_construct_ctos_ems(SSL
*s
, WPACKET
*pkt
, unsigned int context
,
336 X509
*x
, size_t chainidx
, int *al
);
337 EXT_RETURN
tls_construct_ctos_supported_versions(SSL
*s
, WPACKET
*pkt
,
338 unsigned int context
, X509
*x
,
339 size_t chainidx
, int *al
);
340 EXT_RETURN
tls_construct_ctos_key_share(SSL
*s
, WPACKET
*pkt
,
341 unsigned int context
, X509
*x
,
342 size_t chainidx
, int *al
);
343 EXT_RETURN
tls_construct_ctos_psk_kex_modes(SSL
*s
, WPACKET
*pkt
,
344 unsigned int context
, X509
*x
,
345 size_t chainidx
, int *al
);
346 EXT_RETURN
tls_construct_ctos_cookie(SSL
*s
, WPACKET
*pkt
, unsigned int context
,
347 X509
*x
, size_t chainidx
, int *al
);
348 EXT_RETURN
tls_construct_ctos_padding(SSL
*s
, WPACKET
*pkt
,
349 unsigned int context
, X509
*x
,
350 size_t chainidx
, int *al
);
351 EXT_RETURN
tls_construct_ctos_psk(SSL
*s
, WPACKET
*pkt
, unsigned int context
,
352 X509
*x
, size_t chainidx
, int *al
);
353 int tls_parse_stoc_renegotiate(SSL
*s
, PACKET
*pkt
, unsigned int context
,
354 X509
*x
, size_t chainidx
, int *al
);
355 int tls_parse_stoc_server_name(SSL
*s
, PACKET
*pkt
, unsigned int context
,
356 X509
*x
, size_t chainidx
, int *al
);
357 int tls_parse_stoc_early_data(SSL
*s
, PACKET
*pkt
, unsigned int context
,
358 X509
*x
, size_t chainidx
, int *al
);
359 #ifndef OPENSSL_NO_EC
360 int tls_parse_stoc_ec_pt_formats(SSL
*s
, PACKET
*pkt
, unsigned int context
,
361 X509
*x
, size_t chainidx
, int *al
);
363 int tls_parse_stoc_session_ticket(SSL
*s
, PACKET
*pkt
, unsigned int context
,
364 X509
*x
, size_t chainidx
, int *al
);
365 #ifndef OPENSSL_NO_OCSP
366 int tls_parse_stoc_status_request(SSL
*s
, PACKET
*pkt
, unsigned int context
,
367 X509
*x
, size_t chainidx
, int *al
);
369 #ifndef OPENSSL_NO_CT
370 int tls_parse_stoc_sct(SSL
*s
, PACKET
*pkt
, unsigned int context
, X509
*x
,
371 size_t chainidx
, int *al
);
373 #ifndef OPENSSL_NO_NEXTPROTONEG
374 int tls_parse_stoc_npn(SSL
*s
, PACKET
*pkt
, unsigned int context
, X509
*x
,
375 size_t chainidx
, int *al
);
377 int tls_parse_stoc_alpn(SSL
*s
, PACKET
*pkt
, unsigned int context
, X509
*x
,
378 size_t chainidx
, int *al
);
379 #ifndef OPENSSL_NO_SRTP
380 int tls_parse_stoc_use_srtp(SSL
*s
, PACKET
*pkt
, unsigned int context
, X509
*x
,
381 size_t chainidx
, int *al
);
383 int tls_parse_stoc_etm(SSL
*s
, PACKET
*pkt
, unsigned int context
, X509
*x
,
384 size_t chainidx
, int *al
);
385 int tls_parse_stoc_ems(SSL
*s
, PACKET
*pkt
, unsigned int context
, X509
*x
,
386 size_t chainidx
, int *al
);
387 int tls_parse_stoc_key_share(SSL
*s
, PACKET
*pkt
, unsigned int context
, X509
*x
,
388 size_t chainidx
, int *al
);
389 int tls_parse_stoc_cookie(SSL
*s
, PACKET
*pkt
, unsigned int context
, X509
*x
,
390 size_t chainidx
, int *al
);
391 int tls_parse_stoc_psk(SSL
*s
, PACKET
*pkt
, unsigned int context
, X509
*x
,
392 size_t chainidx
, int *al
);