]>
Commit | Line | Data |
---|---|---|
846e33c7 | 1 | /* |
b6461792 | 2 | * Copyright 1995-2024 The OpenSSL Project Authors. All Rights Reserved. |
c80149d9 | 3 | * Copyright 2005 Nokia. All rights reserved. |
f1fd4544 | 4 | * |
2c18d164 | 5 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
846e33c7 RS |
6 | * this file except in compliance with the License. You can obtain a copy |
7 | * in the file LICENSE in the source distribution or at | |
8 | * https://www.openssl.org/source/license.html | |
f1fd4544 | 9 | */ |
846e33c7 | 10 | |
650c6687 RB |
11 | #if defined(__TANDEM) && defined(_SPT_MODEL_) |
12 | # include <spthread.h> | |
13 | # include <spt_extensions.h> /* timeval */ | |
14 | #endif | |
d02b48c6 | 15 | #include <stdio.h> |
ec577822 | 16 | #include <openssl/rand.h> |
3c27208f | 17 | #include <openssl/engine.h> |
cd420b0b | 18 | #include "internal/refcount.h" |
6cc0b3c2 | 19 | #include "internal/cryptlib.h" |
706457b7 DMSP |
20 | #include "ssl_local.h" |
21 | #include "statem/statem_local.h" | |
d02b48c6 | 22 | |
58964a49 | 23 | static void SSL_SESSION_list_remove(SSL_CTX *ctx, SSL_SESSION *s); |
0f113f3e | 24 | static void SSL_SESSION_list_add(SSL_CTX *ctx, SSL_SESSION *s); |
801294f8 | 25 | static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck); |
58964a49 | 26 | |
25959e04 TS |
27 | DEFINE_STACK_OF(SSL_SESSION) |
28 | ||
f0131dc0 | 29 | __owur static ossl_inline int sess_timedout(OSSL_TIME t, SSL_SESSION *ss) |
25959e04 | 30 | { |
f0131dc0 | 31 | return ossl_time_compare(t, ss->calc_timeout) > 0; |
25959e04 TS |
32 | } |
33 | ||
34 | /* | |
35 | * Returns -1/0/+1 as other XXXcmp-type functions | |
340fe504 | 36 | * Takes calculated timeout into consideration |
25959e04 | 37 | */ |
340fe504 | 38 | __owur static ossl_inline int timeoutcmp(SSL_SESSION *a, SSL_SESSION *b) |
25959e04 | 39 | { |
340fe504 | 40 | return ossl_time_compare(a->calc_timeout, b->calc_timeout); |
25959e04 TS |
41 | } |
42 | ||
43 | /* | |
340fe504 | 44 | * Calculates effective timeout |
25959e04 TS |
45 | * Locking must be done by the caller of this function |
46 | */ | |
47 | void ssl_session_calculate_timeout(SSL_SESSION *ss) | |
48 | { | |
f0131dc0 | 49 | ss->calc_timeout = ossl_time_add(ss->time, ss->timeout); |
25959e04 TS |
50 | } |
51 | ||
e7a28df7 | 52 | /* |
e586eac8 MC |
53 | * SSL_get_session() and SSL_get1_session() are problematic in TLS1.3 because, |
54 | * unlike in earlier protocol versions, the session ticket may not have been | |
55 | * sent yet even though a handshake has finished. The session ticket data could | |
56 | * come in sometime later...or even change if multiple session ticket messages | |
57 | * are sent from the server. The preferred way for applications to obtain | |
58 | * a resumable session is to use SSL_CTX_sess_set_new_cb(). | |
e7a28df7 MC |
59 | */ |
60 | ||
0821bcd4 | 61 | SSL_SESSION *SSL_get_session(const SSL *ssl) |
52732b38 | 62 | /* aka SSL_get0_session; gets 0 objects, just returns a copy of the pointer */ |
0f113f3e | 63 | { |
38b051a1 TM |
64 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
65 | ||
66 | if (sc == NULL) | |
67 | return NULL; | |
68 | ||
69 | return sc->session; | |
0f113f3e | 70 | } |
52732b38 BM |
71 | |
72 | SSL_SESSION *SSL_get1_session(SSL *ssl) | |
73 | /* variant of SSL_get_session: caller really gets something */ | |
0f113f3e MC |
74 | { |
75 | SSL_SESSION *sess; | |
38b051a1 | 76 | |
0f113f3e MC |
77 | /* |
78 | * Need to lock this all up rather than just use CRYPTO_add so that | |
79 | * somebody doesn't free ssl->session between when we check it's non-null | |
80 | * and when we up the reference count. | |
81 | */ | |
cd3f8c1b RS |
82 | if (!CRYPTO_THREAD_read_lock(ssl->lock)) |
83 | return NULL; | |
38b051a1 TM |
84 | sess = SSL_get_session(ssl); |
85 | if (sess != NULL) | |
16203f7b AG |
86 | SSL_SESSION_up_ref(sess); |
87 | CRYPTO_THREAD_unlock(ssl->lock); | |
88 | return sess; | |
0f113f3e MC |
89 | } |
90 | ||
6b691a5c | 91 | int SSL_SESSION_set_ex_data(SSL_SESSION *s, int idx, void *arg) |
0f113f3e | 92 | { |
26a7d938 | 93 | return CRYPTO_set_ex_data(&s->ex_data, idx, arg); |
0f113f3e | 94 | } |
58964a49 | 95 | |
0821bcd4 | 96 | void *SSL_SESSION_get_ex_data(const SSL_SESSION *s, int idx) |
0f113f3e | 97 | { |
26a7d938 | 98 | return CRYPTO_get_ex_data(&s->ex_data, idx); |
0f113f3e | 99 | } |
58964a49 | 100 | |
6b691a5c | 101 | SSL_SESSION *SSL_SESSION_new(void) |
0f113f3e MC |
102 | { |
103 | SSL_SESSION *ss; | |
104 | ||
534a43ff MC |
105 | if (!OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, NULL)) |
106 | return NULL; | |
107 | ||
b51bce94 | 108 | ss = OPENSSL_zalloc(sizeof(*ss)); |
e077455e | 109 | if (ss == NULL) |
16203f7b | 110 | return NULL; |
0f113f3e MC |
111 | |
112 | ss->verify_result = 1; /* avoid 0 (= X509_V_OK) just in case */ | |
f0131dc0 P |
113 | /* 5 minute timeout by default */ |
114 | ss->timeout = ossl_seconds2time(60 * 5 + 4); | |
115 | ss->time = ossl_time_now(); | |
25959e04 | 116 | ssl_session_calculate_timeout(ss); |
43a07d6d | 117 | if (!CRYPTO_NEW_REF(&ss->references, 1)) { |
16203f7b AG |
118 | OPENSSL_free(ss); |
119 | return NULL; | |
120 | } | |
121 | ||
25a807bc | 122 | if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_SESSION, ss, &ss->ex_data)) { |
43a07d6d | 123 | CRYPTO_FREE_REF(&ss->references); |
25a807bc F |
124 | OPENSSL_free(ss); |
125 | return NULL; | |
126 | } | |
16203f7b | 127 | return ss; |
0f113f3e | 128 | } |
d02b48c6 | 129 | |
98ece4ee MC |
130 | /* |
131 | * Create a new SSL_SESSION and duplicate the contents of |src| into it. If | |
132 | * ticket == 0 then no ticket information is duplicated, otherwise it is. | |
133 | */ | |
7984fa68 | 134 | static SSL_SESSION *ssl_session_dup_intern(const SSL_SESSION *src, int ticket) |
98ece4ee MC |
135 | { |
136 | SSL_SESSION *dest; | |
137 | ||
8ad36917 | 138 | dest = OPENSSL_malloc(sizeof(*dest)); |
97beb77f P |
139 | if (dest == NULL) |
140 | return NULL; | |
98ece4ee MC |
141 | memcpy(dest, src, sizeof(*dest)); |
142 | ||
708cf593 MC |
143 | /* |
144 | * Set the various pointers to NULL so that we can call SSL_SESSION_free in | |
145 | * the case of an error whilst halfway through constructing dest | |
146 | */ | |
147 | #ifndef OPENSSL_NO_PSK | |
148 | dest->psk_identity_hint = NULL; | |
149 | dest->psk_identity = NULL; | |
150 | #endif | |
aff8c126 | 151 | dest->ext.hostname = NULL; |
aff8c126 | 152 | dest->ext.tick = NULL; |
eed3ec90 | 153 | dest->ext.alpn_selected = NULL; |
708cf593 MC |
154 | #ifndef OPENSSL_NO_SRP |
155 | dest->srp_username = NULL; | |
156 | #endif | |
1ee21259 TS |
157 | dest->peer_chain = NULL; |
158 | dest->peer = NULL; | |
3c95ef22 | 159 | dest->peer_rpk = NULL; |
df0fed9a | 160 | dest->ticket_appdata = NULL; |
51598215 | 161 | memset(&dest->ex_data, 0, sizeof(dest->ex_data)); |
9b6a8254 | 162 | |
9fdf9a44 | 163 | /* As the copy is not in the cache, we remove the associated pointers */ |
708cf593 MC |
164 | dest->prev = NULL; |
165 | dest->next = NULL; | |
9fdf9a44 | 166 | dest->owner = NULL; |
708cf593 | 167 | |
97beb77f P |
168 | if (!CRYPTO_NEW_REF(&dest->references, 1)) { |
169 | OPENSSL_free(dest); | |
170 | return NULL; | |
171 | } | |
16203f7b | 172 | |
e077455e RL |
173 | if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_SESSION, dest, &dest->ex_data)) { |
174 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); | |
1ee21259 | 175 | goto err; |
e077455e | 176 | } |
1ee21259 TS |
177 | |
178 | if (src->peer != NULL) { | |
e077455e RL |
179 | if (!X509_up_ref(src->peer)) { |
180 | ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB); | |
1ee21259 | 181 | goto err; |
e077455e | 182 | } |
1ee21259 TS |
183 | dest->peer = src->peer; |
184 | } | |
708cf593 | 185 | |
36f038f1 DSH |
186 | if (src->peer_chain != NULL) { |
187 | dest->peer_chain = X509_chain_up_ref(src->peer_chain); | |
e077455e RL |
188 | if (dest->peer_chain == NULL) { |
189 | ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB); | |
36f038f1 | 190 | goto err; |
e077455e | 191 | } |
36f038f1 | 192 | } |
3c95ef22 TS |
193 | |
194 | if (src->peer_rpk != NULL) { | |
195 | if (!EVP_PKEY_up_ref(src->peer_rpk)) | |
196 | goto err; | |
197 | dest->peer_rpk = src->peer_rpk; | |
198 | } | |
199 | ||
98ece4ee MC |
200 | #ifndef OPENSSL_NO_PSK |
201 | if (src->psk_identity_hint) { | |
7644a9ae | 202 | dest->psk_identity_hint = OPENSSL_strdup(src->psk_identity_hint); |
e077455e | 203 | if (dest->psk_identity_hint == NULL) |
98ece4ee | 204 | goto err; |
98ece4ee MC |
205 | } |
206 | if (src->psk_identity) { | |
7644a9ae | 207 | dest->psk_identity = OPENSSL_strdup(src->psk_identity); |
e077455e | 208 | if (dest->psk_identity == NULL) |
98ece4ee | 209 | goto err; |
98ece4ee MC |
210 | } |
211 | #endif | |
212 | ||
98ece4ee | 213 | if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL_SESSION, |
a230b26e | 214 | &dest->ex_data, &src->ex_data)) { |
e077455e | 215 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
98ece4ee MC |
216 | goto err; |
217 | } | |
218 | ||
aff8c126 RS |
219 | if (src->ext.hostname) { |
220 | dest->ext.hostname = OPENSSL_strdup(src->ext.hostname); | |
e077455e | 221 | if (dest->ext.hostname == NULL) |
98ece4ee | 222 | goto err; |
98ece4ee | 223 | } |
98ece4ee | 224 | |
1ee21259 | 225 | if (ticket != 0 && src->ext.tick != NULL) { |
aff8c126 RS |
226 | dest->ext.tick = |
227 | OPENSSL_memdup(src->ext.tick, src->ext.ticklen); | |
228 | if (dest->ext.tick == NULL) | |
98ece4ee | 229 | goto err; |
708cf593 | 230 | } else { |
aff8c126 RS |
231 | dest->ext.tick_lifetime_hint = 0; |
232 | dest->ext.ticklen = 0; | |
98ece4ee MC |
233 | } |
234 | ||
27232cc3 MC |
235 | if (src->ext.alpn_selected != NULL) { |
236 | dest->ext.alpn_selected = OPENSSL_memdup(src->ext.alpn_selected, | |
237 | src->ext.alpn_selected_len); | |
238 | if (dest->ext.alpn_selected == NULL) | |
eed3ec90 | 239 | goto err; |
eed3ec90 TS |
240 | } |
241 | ||
98ece4ee | 242 | #ifndef OPENSSL_NO_SRP |
98ece4ee | 243 | if (src->srp_username) { |
7644a9ae | 244 | dest->srp_username = OPENSSL_strdup(src->srp_username); |
e077455e | 245 | if (dest->srp_username == NULL) |
98ece4ee | 246 | goto err; |
98ece4ee MC |
247 | } |
248 | #endif | |
249 | ||
df0fed9a TS |
250 | if (src->ticket_appdata != NULL) { |
251 | dest->ticket_appdata = | |
252 | OPENSSL_memdup(src->ticket_appdata, src->ticket_appdata_len); | |
253 | if (dest->ticket_appdata == NULL) | |
254 | goto err; | |
255 | } | |
256 | ||
98ece4ee | 257 | return dest; |
a230b26e | 258 | err: |
98ece4ee MC |
259 | SSL_SESSION_free(dest); |
260 | return NULL; | |
261 | } | |
262 | ||
7984fa68 MC |
263 | SSL_SESSION *SSL_SESSION_dup(const SSL_SESSION *src) |
264 | { | |
265 | return ssl_session_dup_intern(src, 1); | |
266 | } | |
267 | ||
268 | /* | |
269 | * Used internally when duplicating a session which might be already shared. | |
270 | * We will have resumed the original session. Subsequently we might have marked | |
271 | * it as non-resumable (e.g. in another thread) - but this copy should be ok to | |
272 | * resume from. | |
273 | */ | |
274 | SSL_SESSION *ssl_session_dup(const SSL_SESSION *src, int ticket) | |
275 | { | |
276 | SSL_SESSION *sess = ssl_session_dup_intern(src, ticket); | |
277 | ||
278 | if (sess != NULL) | |
279 | sess->not_resumable = 0; | |
280 | ||
281 | return sess; | |
282 | } | |
283 | ||
a230b26e | 284 | const unsigned char *SSL_SESSION_get_id(const SSL_SESSION *s, unsigned int *len) |
0f113f3e MC |
285 | { |
286 | if (len) | |
348240c6 | 287 | *len = (unsigned int)s->session_id_length; |
0f113f3e MC |
288 | return s->session_id; |
289 | } | |
fddfc0af RG |
290 | const unsigned char *SSL_SESSION_get0_id_context(const SSL_SESSION *s, |
291 | unsigned int *len) | |
292 | { | |
293 | if (len != NULL) | |
348240c6 | 294 | *len = (unsigned int)s->sid_ctx_length; |
fddfc0af RG |
295 | return s->sid_ctx; |
296 | } | |
4879ec7b | 297 | |
f9b0b452 | 298 | unsigned int SSL_SESSION_get_compress_id(const SSL_SESSION *s) |
0f113f3e MC |
299 | { |
300 | return s->compress_meth; | |
301 | } | |
302 | ||
303 | /* | |
304 | * SSLv3/TLSv1 has 32 bytes (256 bits) of session ID space. As such, filling | |
305 | * the ID with random junk repeatedly until we have no conflict is going to | |
306 | * complete in one iteration pretty much "most" of the time (btw: | |
307 | * understatement). So, if it takes us 10 iterations and we still can't avoid | |
308 | * a conflict - well that's a reasonable point to call it quits. Either the | |
309 | * RAND code is broken or someone is trying to open roughly very close to | |
310 | * 2^256 SSL sessions to our server. How you might store that many sessions | |
311 | * is perhaps a more interesting question ... | |
312 | */ | |
dc644fe2 GT |
313 | |
314 | #define MAX_SESS_ID_ATTEMPTS 10 | |
ae3947de | 315 | static int def_generate_session_id(SSL *ssl, unsigned char *id, |
0f113f3e | 316 | unsigned int *id_len) |
dc644fe2 | 317 | { |
0f113f3e | 318 | unsigned int retry = 0; |
2b9e2afc | 319 | do { |
0f8815aa | 320 | if (RAND_bytes_ex(ssl->ctx->libctx, id, *id_len, 0) <= 0) |
0f113f3e | 321 | return 0; |
2b9e2afc PA |
322 | #ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION |
323 | if (retry > 0) { | |
324 | id[0]++; | |
325 | } | |
326 | #endif | |
327 | } while (SSL_has_matching_session_id(ssl, id, *id_len) && | |
0f113f3e MC |
328 | (++retry < MAX_SESS_ID_ATTEMPTS)) ; |
329 | if (retry < MAX_SESS_ID_ATTEMPTS) | |
330 | return 1; | |
331 | /* else - woops a session_id match */ | |
332 | /* | |
333 | * XXX We should also check the external cache -- but the probability of | |
334 | * a collision is negligible, and we could not prevent the concurrent | |
335 | * creation of sessions with identical IDs since we currently don't have | |
336 | * means to atomically check whether a session ID already exists and make | |
337 | * a reservation for it if it does not (this problem applies to the | |
338 | * internal cache as well). | |
339 | */ | |
340 | return 0; | |
dc644fe2 GT |
341 | } |
342 | ||
38b051a1 | 343 | int ssl_generate_session_id(SSL_CONNECTION *s, SSL_SESSION *ss) |
a84e5c9a TS |
344 | { |
345 | unsigned int tmp; | |
346 | GEN_SESSION_CB cb = def_generate_session_id; | |
38b051a1 | 347 | SSL *ssl = SSL_CONNECTION_GET_SSL(s); |
a84e5c9a TS |
348 | |
349 | switch (s->version) { | |
350 | case SSL3_VERSION: | |
351 | case TLS1_VERSION: | |
352 | case TLS1_1_VERSION: | |
353 | case TLS1_2_VERSION: | |
354 | case TLS1_3_VERSION: | |
355 | case DTLS1_BAD_VER: | |
356 | case DTLS1_VERSION: | |
357 | case DTLS1_2_VERSION: | |
358 | ss->session_id_length = SSL3_SSL_SESSION_ID_LENGTH; | |
359 | break; | |
360 | default: | |
c48ffbcc | 361 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_UNSUPPORTED_SSL_VERSION); |
a84e5c9a TS |
362 | return 0; |
363 | } | |
364 | ||
365 | /*- | |
366 | * If RFC5077 ticket, use empty session ID (as server). | |
367 | * Note that: | |
368 | * (a) ssl_get_prev_session() does lookahead into the | |
369 | * ClientHello extensions to find the session ticket. | |
370 | * When ssl_get_prev_session() fails, statem_srvr.c calls | |
371 | * ssl_get_new_session() in tls_process_client_hello(). | |
372 | * At that point, it has not yet parsed the extensions, | |
373 | * however, because of the lookahead, it already knows | |
374 | * whether a ticket is expected or not. | |
375 | * | |
376 | * (b) statem_clnt.c calls ssl_get_new_session() before parsing | |
377 | * ServerHello extensions, and before recording the session | |
378 | * ID received from the server, so this block is a noop. | |
379 | */ | |
380 | if (s->ext.ticket_expected) { | |
381 | ss->session_id_length = 0; | |
382 | return 1; | |
383 | } | |
384 | ||
385 | /* Choose which callback will set the session ID */ | |
38b051a1 | 386 | if (!CRYPTO_THREAD_read_lock(SSL_CONNECTION_GET_SSL(s)->lock)) |
cd3f8c1b RS |
387 | return 0; |
388 | if (!CRYPTO_THREAD_read_lock(s->session_ctx->lock)) { | |
38b051a1 | 389 | CRYPTO_THREAD_unlock(ssl->lock); |
cd3f8c1b RS |
390 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, |
391 | SSL_R_SESSION_ID_CONTEXT_UNINITIALIZED); | |
392 | return 0; | |
393 | } | |
a84e5c9a TS |
394 | if (s->generate_session_id) |
395 | cb = s->generate_session_id; | |
396 | else if (s->session_ctx->generate_session_id) | |
397 | cb = s->session_ctx->generate_session_id; | |
398 | CRYPTO_THREAD_unlock(s->session_ctx->lock); | |
38b051a1 | 399 | CRYPTO_THREAD_unlock(ssl->lock); |
a84e5c9a TS |
400 | /* Choose a session ID */ |
401 | memset(ss->session_id, 0, ss->session_id_length); | |
402 | tmp = (int)ss->session_id_length; | |
38b051a1 | 403 | if (!cb(ssl, ss->session_id, &tmp)) { |
a84e5c9a | 404 | /* The callback failed */ |
c48ffbcc | 405 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, |
f63a17d6 | 406 | SSL_R_SSL_SESSION_ID_CALLBACK_FAILED); |
a84e5c9a TS |
407 | return 0; |
408 | } | |
409 | /* | |
410 | * Don't allow the callback to set the session length to zero. nor | |
411 | * set it higher than it was. | |
412 | */ | |
413 | if (tmp == 0 || tmp > ss->session_id_length) { | |
414 | /* The callback set an illegal length */ | |
c48ffbcc | 415 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, |
f63a17d6 | 416 | SSL_R_SSL_SESSION_ID_HAS_BAD_LENGTH); |
a84e5c9a TS |
417 | return 0; |
418 | } | |
419 | ss->session_id_length = tmp; | |
420 | /* Finally, check for a conflict */ | |
38b051a1 | 421 | if (SSL_has_matching_session_id(ssl, ss->session_id, |
a84e5c9a | 422 | (unsigned int)ss->session_id_length)) { |
c48ffbcc | 423 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_SSL_SESSION_ID_CONFLICT); |
a84e5c9a TS |
424 | return 0; |
425 | } | |
426 | ||
427 | return 1; | |
428 | } | |
429 | ||
38b051a1 | 430 | int ssl_get_new_session(SSL_CONNECTION *s, int session) |
0f113f3e MC |
431 | { |
432 | /* This gets used by clients and servers. */ | |
433 | ||
0f113f3e | 434 | SSL_SESSION *ss = NULL; |
0f113f3e | 435 | |
f63a17d6 | 436 | if ((ss = SSL_SESSION_new()) == NULL) { |
e077455e | 437 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_SSL_LIB); |
a84e5c9a | 438 | return 0; |
f63a17d6 | 439 | } |
0f113f3e MC |
440 | |
441 | /* If the context has a default timeout, use it */ | |
f0131dc0 P |
442 | if (ossl_time_is_zero(s->session_ctx->session_timeout)) |
443 | ss->timeout = SSL_CONNECTION_GET_SSL(s)->method->get_timeout(); | |
0f113f3e MC |
444 | else |
445 | ss->timeout = s->session_ctx->session_timeout; | |
a65c8d8f | 446 | ssl_session_calculate_timeout(ss); |
0f113f3e | 447 | |
62adbcee RS |
448 | SSL_SESSION_free(s->session); |
449 | s->session = NULL; | |
0f113f3e MC |
450 | |
451 | if (session) { | |
38b051a1 | 452 | if (SSL_CONNECTION_IS_TLS13(s)) { |
32305f88 MC |
453 | /* |
454 | * We generate the session id while constructing the | |
455 | * NewSessionTicket in TLSv1.3. | |
456 | */ | |
457 | ss->session_id_length = 0; | |
458 | } else if (!ssl_generate_session_id(s, ss)) { | |
f63a17d6 | 459 | /* SSLfatal() already called */ |
0f113f3e | 460 | SSL_SESSION_free(ss); |
a84e5c9a | 461 | return 0; |
0f113f3e | 462 | } |
e481f9b9 | 463 | |
0f113f3e MC |
464 | } else { |
465 | ss->session_id_length = 0; | |
466 | } | |
467 | ||
cbe29648 | 468 | if (s->sid_ctx_length > sizeof(ss->sid_ctx)) { |
c48ffbcc | 469 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); |
0f113f3e MC |
470 | SSL_SESSION_free(ss); |
471 | return 0; | |
472 | } | |
473 | memcpy(ss->sid_ctx, s->sid_ctx, s->sid_ctx_length); | |
474 | ss->sid_ctx_length = s->sid_ctx_length; | |
475 | s->session = ss; | |
476 | ss->ssl_version = s->version; | |
477 | ss->verify_result = X509_V_OK; | |
478 | ||
e7f0d921 | 479 | /* If client supports extended master secret set it in session */ |
555cbb32 | 480 | if (s->s3.flags & TLS1_FLAGS_RECEIVED_EXTMS) |
e7f0d921 DSH |
481 | ss->flags |= SSL_SESS_FLAG_EXTMS; |
482 | ||
a84e5c9a | 483 | return 1; |
0f113f3e | 484 | } |
d02b48c6 | 485 | |
38b051a1 TM |
486 | SSL_SESSION *lookup_sess_in_cache(SSL_CONNECTION *s, |
487 | const unsigned char *sess_id, | |
6cc0b3c2 MC |
488 | size_t sess_id_len) |
489 | { | |
490 | SSL_SESSION *ret = NULL; | |
6cc0b3c2 MC |
491 | |
492 | if ((s->session_ctx->session_cache_mode | |
493 | & SSL_SESS_CACHE_NO_INTERNAL_LOOKUP) == 0) { | |
494 | SSL_SESSION data; | |
495 | ||
496 | data.ssl_version = s->version; | |
497 | if (!ossl_assert(sess_id_len <= SSL_MAX_SSL_SESSION_ID_LENGTH)) | |
498 | return NULL; | |
499 | ||
500 | memcpy(data.session_id, sess_id, sess_id_len); | |
501 | data.session_id_length = sess_id_len; | |
502 | ||
cd3f8c1b RS |
503 | if (!CRYPTO_THREAD_read_lock(s->session_ctx->lock)) |
504 | return NULL; | |
6cc0b3c2 MC |
505 | ret = lh_SSL_SESSION_retrieve(s->session_ctx->sessions, &data); |
506 | if (ret != NULL) { | |
507 | /* don't allow other threads to steal it: */ | |
508 | SSL_SESSION_up_ref(ret); | |
509 | } | |
510 | CRYPTO_THREAD_unlock(s->session_ctx->lock); | |
511 | if (ret == NULL) | |
acce0557 | 512 | ssl_tsan_counter(s->session_ctx, &s->session_ctx->stats.sess_miss); |
6cc0b3c2 MC |
513 | } |
514 | ||
515 | if (ret == NULL && s->session_ctx->get_session_cb != NULL) { | |
516 | int copy = 1; | |
517 | ||
38b051a1 TM |
518 | ret = s->session_ctx->get_session_cb(SSL_CONNECTION_GET_SSL(s), |
519 | sess_id, sess_id_len, ©); | |
6cc0b3c2 MC |
520 | |
521 | if (ret != NULL) { | |
21df7f04 MC |
522 | if (ret->not_resumable) { |
523 | /* If its not resumable then ignore this session */ | |
524 | if (!copy) | |
525 | SSL_SESSION_free(ret); | |
526 | return NULL; | |
527 | } | |
acce0557 P |
528 | ssl_tsan_counter(s->session_ctx, |
529 | &s->session_ctx->stats.sess_cb_hit); | |
6cc0b3c2 MC |
530 | |
531 | /* | |
532 | * Increment reference count now if the session callback asks us | |
533 | * to do so (note that if the session structures returned by the | |
534 | * callback are shared between threads, it must handle the | |
535 | * reference count itself [i.e. copy == 0], or things won't be | |
536 | * thread-safe). | |
537 | */ | |
538 | if (copy) | |
539 | SSL_SESSION_up_ref(ret); | |
540 | ||
541 | /* | |
542 | * Add the externally cached session to the internal cache as | |
543 | * well if and only if we are supposed to. | |
544 | */ | |
545 | if ((s->session_ctx->session_cache_mode & | |
546 | SSL_SESS_CACHE_NO_INTERNAL_STORE) == 0) { | |
547 | /* | |
548 | * Either return value of SSL_CTX_add_session should not | |
549 | * interrupt the session resumption process. The return | |
550 | * value is intentionally ignored. | |
551 | */ | |
552 | (void)SSL_CTX_add_session(s->session_ctx, ret); | |
553 | } | |
554 | } | |
555 | } | |
556 | ||
557 | return ret; | |
558 | } | |
559 | ||
3a83462d MC |
560 | /*- |
561 | * ssl_get_prev attempts to find an SSL_SESSION to be used to resume this | |
c519e89f BM |
562 | * connection. It is only called by servers. |
563 | * | |
de7d61d5 | 564 | * hello: The parsed ClientHello data |
c519e89f BM |
565 | * |
566 | * Returns: | |
1053a6e2 MC |
567 | * -1: fatal error |
568 | * 0: no session found | |
569 | * 1: a session may have been found. | |
c519e89f BM |
570 | * |
571 | * Side effects: | |
572 | * - If a session is found then s->session is pointed at it (after freeing an | |
573 | * existing session if need be) and s->verify_result is set from the session. | |
aff8c126 | 574 | * - Both for new and resumed sessions, s->ext.ticket_expected is set to 1 |
c519e89f BM |
575 | * if the server should issue a new session ticket (to 0 otherwise). |
576 | */ | |
38b051a1 | 577 | int ssl_get_prev_session(SSL_CONNECTION *s, CLIENTHELLO_MSG *hello) |
0f113f3e MC |
578 | { |
579 | /* This is used only by servers. */ | |
b56bce4f | 580 | |
0f113f3e | 581 | SSL_SESSION *ret = NULL; |
9ef9088c | 582 | int fatal = 0; |
1053a6e2 | 583 | int try_session_cache = 0; |
61fb5923 | 584 | SSL_TICKET_STATUS r; |
d02b48c6 | 585 | |
38b051a1 | 586 | if (SSL_CONNECTION_IS_TLS13(s)) { |
61fb5923 MC |
587 | /* |
588 | * By default we will send a new ticket. This can be overridden in the | |
589 | * ticket processing. | |
590 | */ | |
591 | s->ext.ticket_expected = 1; | |
fe874d27 MC |
592 | if (!tls_parse_extension(s, TLSEXT_IDX_psk_kex_modes, |
593 | SSL_EXT_CLIENT_HELLO, hello->pre_proc_exts, | |
f63a17d6 | 594 | NULL, 0) |
fe874d27 | 595 | || !tls_parse_extension(s, TLSEXT_IDX_psk, SSL_EXT_CLIENT_HELLO, |
f63a17d6 | 596 | hello->pre_proc_exts, NULL, 0)) |
1053a6e2 MC |
597 | return -1; |
598 | ||
599 | ret = s->session; | |
600 | } else { | |
601 | /* sets s->ext.ticket_expected */ | |
602 | r = tls_get_ticket_from_client(s, hello, &ret); | |
603 | switch (r) { | |
df0fed9a TS |
604 | case SSL_TICKET_FATAL_ERR_MALLOC: |
605 | case SSL_TICKET_FATAL_ERR_OTHER: | |
1053a6e2 | 606 | fatal = 1; |
c48ffbcc | 607 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); |
1053a6e2 | 608 | goto err; |
df0fed9a TS |
609 | case SSL_TICKET_NONE: |
610 | case SSL_TICKET_EMPTY: | |
6cc0b3c2 | 611 | if (hello->session_id_len > 0) { |
0afca811 | 612 | try_session_cache = 1; |
6cc0b3c2 MC |
613 | ret = lookup_sess_in_cache(s, hello->session_id, |
614 | hello->session_id_len); | |
615 | } | |
61c32649 | 616 | break; |
df0fed9a TS |
617 | case SSL_TICKET_NO_DECRYPT: |
618 | case SSL_TICKET_SUCCESS: | |
619 | case SSL_TICKET_SUCCESS_RENEW: | |
1053a6e2 | 620 | break; |
1053a6e2 | 621 | } |
0f113f3e | 622 | } |
c519e89f | 623 | |
0f113f3e MC |
624 | if (ret == NULL) |
625 | goto err; | |
626 | ||
627 | /* Now ret is non-NULL and we own one of its reference counts. */ | |
628 | ||
128ae276 MC |
629 | /* Check TLS version consistency */ |
630 | if (ret->ssl_version != s->version) | |
631 | goto err; | |
632 | ||
0f113f3e MC |
633 | if (ret->sid_ctx_length != s->sid_ctx_length |
634 | || memcmp(ret->sid_ctx, s->sid_ctx, ret->sid_ctx_length)) { | |
635 | /* | |
636 | * We have the session requested by the client, but we don't want to | |
637 | * use it in this context. | |
638 | */ | |
639 | goto err; /* treat like cache miss */ | |
640 | } | |
641 | ||
642 | if ((s->verify_mode & SSL_VERIFY_PEER) && s->sid_ctx_length == 0) { | |
643 | /* | |
644 | * We can't be sure if this session is being used out of context, | |
645 | * which is especially important for SSL_VERIFY_PEER. The application | |
646 | * should have used SSL[_CTX]_set_session_id_context. For this error | |
647 | * case, we generate an error instead of treating the event like a | |
648 | * cache miss (otherwise it would be easy for applications to | |
649 | * effectively disable the session cache by accident without anyone | |
650 | * noticing). | |
651 | */ | |
652 | ||
c48ffbcc | 653 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, |
f63a17d6 | 654 | SSL_R_SESSION_ID_CONTEXT_UNINITIALIZED); |
0f113f3e MC |
655 | fatal = 1; |
656 | goto err; | |
657 | } | |
658 | ||
f0131dc0 | 659 | if (sess_timedout(ossl_time_now(), ret)) { |
acce0557 | 660 | ssl_tsan_counter(s->session_ctx, &s->session_ctx->stats.sess_timeout); |
0f113f3e MC |
661 | if (try_session_cache) { |
662 | /* session was from the cache, so remove it */ | |
663 | SSL_CTX_remove_session(s->session_ctx, ret); | |
664 | } | |
665 | goto err; | |
666 | } | |
667 | ||
e7f0d921 DSH |
668 | /* Check extended master secret extension consistency */ |
669 | if (ret->flags & SSL_SESS_FLAG_EXTMS) { | |
670 | /* If old session includes extms, but new does not: abort handshake */ | |
555cbb32 | 671 | if (!(s->s3.flags & TLS1_FLAGS_RECEIVED_EXTMS)) { |
c48ffbcc | 672 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_INCONSISTENT_EXTMS); |
e7f0d921 DSH |
673 | fatal = 1; |
674 | goto err; | |
675 | } | |
555cbb32 | 676 | } else if (s->s3.flags & TLS1_FLAGS_RECEIVED_EXTMS) { |
e7f0d921 DSH |
677 | /* If new session includes extms, but old does not: do not resume */ |
678 | goto err; | |
679 | } | |
680 | ||
38b051a1 | 681 | if (!SSL_CONNECTION_IS_TLS13(s)) { |
1053a6e2 MC |
682 | /* We already did this for TLS1.3 */ |
683 | SSL_SESSION_free(s->session); | |
684 | s->session = ret; | |
685 | } | |
0f113f3e | 686 | |
acce0557 | 687 | ssl_tsan_counter(s->session_ctx, &s->session_ctx->stats.sess_hit); |
0f113f3e MC |
688 | s->verify_result = s->session->verify_result; |
689 | return 1; | |
8876bc05 BM |
690 | |
691 | err: | |
0f113f3e MC |
692 | if (ret != NULL) { |
693 | SSL_SESSION_free(ret); | |
1f5b44e9 | 694 | /* In TLSv1.3 s->session was already set to ret, so we NULL it out */ |
38b051a1 | 695 | if (SSL_CONNECTION_IS_TLS13(s)) |
128ae276 | 696 | s->session = NULL; |
e481f9b9 | 697 | |
0f113f3e MC |
698 | if (!try_session_cache) { |
699 | /* | |
700 | * The session was from a ticket, so we should issue a ticket for | |
701 | * the new session | |
702 | */ | |
aff8c126 | 703 | s->ext.ticket_expected = 1; |
0f113f3e | 704 | } |
0f113f3e | 705 | } |
f63a17d6 | 706 | if (fatal) |
0f113f3e | 707 | return -1; |
40f805ad MC |
708 | |
709 | return 0; | |
0f113f3e | 710 | } |
d02b48c6 | 711 | |
6b691a5c | 712 | int SSL_CTX_add_session(SSL_CTX *ctx, SSL_SESSION *c) |
0f113f3e | 713 | { |
9ef9088c | 714 | int ret = 0; |
0f113f3e MC |
715 | SSL_SESSION *s; |
716 | ||
717 | /* | |
718 | * add just 1 reference count for the SSL_CTX's session cache even though | |
719 | * it has two ways of access: each session is in a doubly linked list and | |
720 | * an lhash | |
721 | */ | |
16203f7b | 722 | SSL_SESSION_up_ref(c); |
0f113f3e MC |
723 | /* |
724 | * if session c is in already in cache, we take back the increment later | |
725 | */ | |
726 | ||
cd3f8c1b RS |
727 | if (!CRYPTO_THREAD_write_lock(ctx->lock)) { |
728 | SSL_SESSION_free(c); | |
729 | return 0; | |
730 | } | |
0f113f3e MC |
731 | s = lh_SSL_SESSION_insert(ctx->sessions, c); |
732 | ||
733 | /* | |
734 | * s != NULL iff we already had a session with the given PID. In this | |
735 | * case, s == c should hold (then we did not really modify | |
736 | * ctx->sessions), or we're in trouble. | |
737 | */ | |
738 | if (s != NULL && s != c) { | |
739 | /* We *are* in trouble ... */ | |
740 | SSL_SESSION_list_remove(ctx, s); | |
741 | SSL_SESSION_free(s); | |
742 | /* | |
743 | * ... so pretend the other session did not exist in cache (we cannot | |
744 | * handle two SSL_SESSION structures with identical session ID in the | |
745 | * same cache, which could happen e.g. when two threads concurrently | |
746 | * obtain the same session from an external cache) | |
747 | */ | |
748 | s = NULL; | |
38088ce9 BE |
749 | } else if (s == NULL && |
750 | lh_SSL_SESSION_retrieve(ctx->sessions, c) == NULL) { | |
751 | /* s == NULL can also mean OOM error in lh_SSL_SESSION_insert ... */ | |
752 | ||
753 | /* | |
754 | * ... so take back the extra reference and also don't add | |
755 | * the session to the SSL_SESSION_list at this time | |
756 | */ | |
757 | s = c; | |
0f113f3e MC |
758 | } |
759 | ||
25959e04 TS |
760 | /* Adjust last used time, and add back into the cache at the appropriate spot */ |
761 | if (ctx->session_cache_mode & SSL_SESS_CACHE_UPDATE_TIME) { | |
f0131dc0 | 762 | c->time = ossl_time_now(); |
25959e04 TS |
763 | ssl_session_calculate_timeout(c); |
764 | } | |
0f113f3e | 765 | |
4842a27b | 766 | if (s == NULL) { |
0f113f3e MC |
767 | /* |
768 | * new cache entry -- remove old ones if cache has become too large | |
4842a27b | 769 | * delete cache entry *before* add, so we don't remove the one we're adding! |
0f113f3e MC |
770 | */ |
771 | ||
772 | ret = 1; | |
773 | ||
774 | if (SSL_CTX_sess_get_cache_size(ctx) > 0) { | |
4842a27b | 775 | while (SSL_CTX_sess_number(ctx) >= SSL_CTX_sess_get_cache_size(ctx)) { |
0f113f3e MC |
776 | if (!remove_session_lock(ctx, ctx->session_cache_tail, 0)) |
777 | break; | |
778 | else | |
acce0557 | 779 | ssl_tsan_counter(ctx, &ctx->stats.sess_cache_full); |
0f113f3e MC |
780 | } |
781 | } | |
782 | } | |
4842a27b TS |
783 | |
784 | SSL_SESSION_list_add(ctx, c); | |
785 | ||
786 | if (s != NULL) { | |
787 | /* | |
788 | * existing cache entry -- decrement previously incremented reference | |
789 | * count because it already takes into account the cache | |
790 | */ | |
791 | ||
792 | SSL_SESSION_free(s); /* s == c */ | |
793 | ret = 0; | |
794 | } | |
16203f7b AG |
795 | CRYPTO_THREAD_unlock(ctx->lock); |
796 | return ret; | |
0f113f3e | 797 | } |
d02b48c6 | 798 | |
6b691a5c | 799 | int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c) |
801294f8 | 800 | { |
0f113f3e | 801 | return remove_session_lock(ctx, c, 1); |
801294f8 DSH |
802 | } |
803 | ||
0fda2e37 | 804 | static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck) |
0f113f3e MC |
805 | { |
806 | SSL_SESSION *r; | |
807 | int ret = 0; | |
808 | ||
809 | if ((c != NULL) && (c->session_id_length != 0)) { | |
cd3f8c1b RS |
810 | if (lck) { |
811 | if (!CRYPTO_THREAD_write_lock(ctx->lock)) | |
812 | return 0; | |
813 | } | |
66d7de16 | 814 | if ((r = lh_SSL_SESSION_retrieve(ctx->sessions, c)) != NULL) { |
0f113f3e | 815 | ret = 1; |
66d7de16 MC |
816 | r = lh_SSL_SESSION_delete(ctx->sessions, r); |
817 | SSL_SESSION_list_remove(ctx, r); | |
0f113f3e | 818 | } |
e4612d02 | 819 | c->not_resumable = 1; |
0f113f3e MC |
820 | |
821 | if (lck) | |
16203f7b | 822 | CRYPTO_THREAD_unlock(ctx->lock); |
0f113f3e | 823 | |
e4612d02 MC |
824 | if (ctx->remove_session_cb != NULL) |
825 | ctx->remove_session_cb(ctx, c); | |
c0a58e03 MH |
826 | |
827 | if (ret) | |
828 | SSL_SESSION_free(r); | |
cd3f8c1b | 829 | } |
26a7d938 | 830 | return ret; |
0f113f3e | 831 | } |
d02b48c6 | 832 | |
6b691a5c | 833 | void SSL_SESSION_free(SSL_SESSION *ss) |
0f113f3e MC |
834 | { |
835 | int i; | |
d02b48c6 | 836 | |
e6e9170d RS |
837 | if (ss == NULL) |
838 | return; | |
43a07d6d | 839 | CRYPTO_DOWN_REF(&ss->references, &i); |
f3f1cf84 | 840 | REF_PRINT_COUNT("SSL_SESSION", ss); |
0f113f3e MC |
841 | if (i > 0) |
842 | return; | |
f3f1cf84 | 843 | REF_ASSERT_ISNT(i < 0); |
d02b48c6 | 844 | |
0f113f3e | 845 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_SESSION, ss, &ss->ex_data); |
58964a49 | 846 | |
cbe29648 RS |
847 | OPENSSL_cleanse(ss->master_key, sizeof(ss->master_key)); |
848 | OPENSSL_cleanse(ss->session_id, sizeof(ss->session_id)); | |
222561fe | 849 | X509_free(ss->peer); |
3c95ef22 | 850 | EVP_PKEY_free(ss->peer_rpk); |
79b2a2f2 | 851 | OSSL_STACK_OF_X509_free(ss->peer_chain); |
aff8c126 RS |
852 | OPENSSL_free(ss->ext.hostname); |
853 | OPENSSL_free(ss->ext.tick); | |
ddac1974 | 854 | #ifndef OPENSSL_NO_PSK |
25aaa98a RS |
855 | OPENSSL_free(ss->psk_identity_hint); |
856 | OPENSSL_free(ss->psk_identity); | |
edc032b5 BL |
857 | #endif |
858 | #ifndef OPENSSL_NO_SRP | |
25aaa98a | 859 | OPENSSL_free(ss->srp_username); |
ed3883d2 | 860 | #endif |
f6370040 | 861 | OPENSSL_free(ss->ext.alpn_selected); |
df0fed9a | 862 | OPENSSL_free(ss->ticket_appdata); |
43a07d6d | 863 | CRYPTO_FREE_REF(&ss->references); |
4b45c6e5 | 864 | OPENSSL_clear_free(ss, sizeof(*ss)); |
0f113f3e | 865 | } |
d02b48c6 | 866 | |
16203f7b AG |
867 | int SSL_SESSION_up_ref(SSL_SESSION *ss) |
868 | { | |
869 | int i; | |
870 | ||
43a07d6d | 871 | if (CRYPTO_UP_REF(&ss->references, &i) <= 0) |
16203f7b AG |
872 | return 0; |
873 | ||
874 | REF_PRINT_COUNT("SSL_SESSION", ss); | |
875 | REF_ASSERT_ISNT(i < 2); | |
876 | return ((i > 1) ? 1 : 0); | |
877 | } | |
878 | ||
6b691a5c | 879 | int SSL_set_session(SSL *s, SSL_SESSION *session) |
0f113f3e | 880 | { |
38b051a1 TM |
881 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
882 | ||
883 | if (sc == NULL) | |
884 | return 0; | |
885 | ||
886 | ssl_clear_bad_session(sc); | |
a7f41885 MC |
887 | if (s->defltmeth != s->method) { |
888 | if (!SSL_set_ssl_method(s, s->defltmeth)) | |
e70656cf MC |
889 | return 0; |
890 | } | |
0f113f3e | 891 | |
e70656cf | 892 | if (session != NULL) { |
16203f7b | 893 | SSL_SESSION_up_ref(session); |
38b051a1 | 894 | sc->verify_result = session->verify_result; |
0f113f3e | 895 | } |
38b051a1 TM |
896 | SSL_SESSION_free(sc->session); |
897 | sc->session = session; | |
e70656cf MC |
898 | |
899 | return 1; | |
0f113f3e | 900 | } |
d02b48c6 | 901 | |
fddfc0af RG |
902 | int SSL_SESSION_set1_id(SSL_SESSION *s, const unsigned char *sid, |
903 | unsigned int sid_len) | |
904 | { | |
905 | if (sid_len > SSL_MAX_SSL_SESSION_ID_LENGTH) { | |
6849b73c | 906 | ERR_raise(ERR_LIB_SSL, SSL_R_SSL_SESSION_ID_TOO_LONG); |
fddfc0af RG |
907 | return 0; |
908 | } | |
909 | s->session_id_length = sid_len; | |
6aad9393 RG |
910 | if (sid != s->session_id) |
911 | memcpy(s->session_id, sid, sid_len); | |
fddfc0af RG |
912 | return 1; |
913 | } | |
914 | ||
6b691a5c | 915 | long SSL_SESSION_set_timeout(SSL_SESSION *s, long t) |
0f113f3e | 916 | { |
f0131dc0 | 917 | OSSL_TIME new_timeout = ossl_seconds2time(t); |
25959e04 TS |
918 | |
919 | if (s == NULL || t < 0) | |
26a7d938 | 920 | return 0; |
25959e04 TS |
921 | if (s->owner != NULL) { |
922 | if (!CRYPTO_THREAD_write_lock(s->owner->lock)) | |
923 | return 0; | |
924 | s->timeout = new_timeout; | |
925 | ssl_session_calculate_timeout(s); | |
926 | SSL_SESSION_list_add(s->owner, s); | |
927 | CRYPTO_THREAD_unlock(s->owner->lock); | |
928 | } else { | |
929 | s->timeout = new_timeout; | |
930 | ssl_session_calculate_timeout(s); | |
931 | } | |
208fb891 | 932 | return 1; |
0f113f3e | 933 | } |
d02b48c6 | 934 | |
0821bcd4 | 935 | long SSL_SESSION_get_timeout(const SSL_SESSION *s) |
0f113f3e MC |
936 | { |
937 | if (s == NULL) | |
26a7d938 | 938 | return 0; |
f0131dc0 | 939 | return (long)ossl_time_to_time_t(s->timeout); |
0f113f3e | 940 | } |
d02b48c6 | 941 | |
0821bcd4 | 942 | long SSL_SESSION_get_time(const SSL_SESSION *s) |
ffc853bc IH |
943 | { |
944 | return (long) SSL_SESSION_get_time_ex(s); | |
945 | } | |
946 | ||
947 | time_t SSL_SESSION_get_time_ex(const SSL_SESSION *s) | |
0f113f3e MC |
948 | { |
949 | if (s == NULL) | |
26a7d938 | 950 | return 0; |
ffc853bc | 951 | return ossl_time_to_time_t(s->time); |
0f113f3e | 952 | } |
d02b48c6 | 953 | |
ffc853bc | 954 | time_t SSL_SESSION_set_time_ex(SSL_SESSION *s, time_t t) |
0f113f3e | 955 | { |
ffc853bc | 956 | OSSL_TIME new_time = ossl_time_from_time_t(t); |
25959e04 | 957 | |
0f113f3e | 958 | if (s == NULL) |
26a7d938 | 959 | return 0; |
25959e04 TS |
960 | if (s->owner != NULL) { |
961 | if (!CRYPTO_THREAD_write_lock(s->owner->lock)) | |
962 | return 0; | |
963 | s->time = new_time; | |
964 | ssl_session_calculate_timeout(s); | |
965 | SSL_SESSION_list_add(s->owner, s); | |
966 | CRYPTO_THREAD_unlock(s->owner->lock); | |
967 | } else { | |
968 | s->time = new_time; | |
969 | ssl_session_calculate_timeout(s); | |
970 | } | |
26a7d938 | 971 | return t; |
0f113f3e | 972 | } |
d02b48c6 | 973 | |
ffc853bc IH |
974 | long SSL_SESSION_set_time(SSL_SESSION *s, long t) |
975 | { | |
976 | return (long) SSL_SESSION_set_time_ex(s, (time_t) t); | |
977 | } | |
978 | ||
bd01f649 TS |
979 | int SSL_SESSION_get_protocol_version(const SSL_SESSION *s) |
980 | { | |
bd01f649 TS |
981 | return s->ssl_version; |
982 | } | |
983 | ||
5a43d511 MC |
984 | int SSL_SESSION_set_protocol_version(SSL_SESSION *s, int version) |
985 | { | |
986 | s->ssl_version = version; | |
987 | return 1; | |
988 | } | |
989 | ||
e9281323 RS |
990 | const SSL_CIPHER *SSL_SESSION_get0_cipher(const SSL_SESSION *s) |
991 | { | |
992 | return s->cipher; | |
993 | } | |
1a993d1d MC |
994 | |
995 | int SSL_SESSION_set_cipher(SSL_SESSION *s, const SSL_CIPHER *cipher) | |
996 | { | |
997 | s->cipher = cipher; | |
998 | return 1; | |
999 | } | |
e9281323 | 1000 | |
4b6b8487 LC |
1001 | const char *SSL_SESSION_get0_hostname(const SSL_SESSION *s) |
1002 | { | |
aff8c126 | 1003 | return s->ext.hostname; |
4b6b8487 LC |
1004 | } |
1005 | ||
67738645 MC |
1006 | int SSL_SESSION_set1_hostname(SSL_SESSION *s, const char *hostname) |
1007 | { | |
1008 | OPENSSL_free(s->ext.hostname); | |
1009 | if (hostname == NULL) { | |
1010 | s->ext.hostname = NULL; | |
1011 | return 1; | |
1012 | } | |
1013 | s->ext.hostname = OPENSSL_strdup(hostname); | |
1014 | ||
1015 | return s->ext.hostname != NULL; | |
1016 | } | |
1017 | ||
f2baac27 MC |
1018 | int SSL_SESSION_has_ticket(const SSL_SESSION *s) |
1019 | { | |
aff8c126 | 1020 | return (s->ext.ticklen > 0) ? 1 : 0; |
f2baac27 MC |
1021 | } |
1022 | ||
1023 | unsigned long SSL_SESSION_get_ticket_lifetime_hint(const SSL_SESSION *s) | |
1024 | { | |
aff8c126 | 1025 | return s->ext.tick_lifetime_hint; |
f2baac27 MC |
1026 | } |
1027 | ||
48593cb1 | 1028 | void SSL_SESSION_get0_ticket(const SSL_SESSION *s, const unsigned char **tick, |
a230b26e | 1029 | size_t *len) |
b7c9187b | 1030 | { |
aff8c126 | 1031 | *len = s->ext.ticklen; |
61986d32 | 1032 | if (tick != NULL) |
aff8c126 | 1033 | *tick = s->ext.tick; |
b7c9187b MC |
1034 | } |
1035 | ||
fcc47578 MC |
1036 | uint32_t SSL_SESSION_get_max_early_data(const SSL_SESSION *s) |
1037 | { | |
1038 | return s->ext.max_early_data; | |
1039 | } | |
1040 | ||
98e1d934 MC |
1041 | int SSL_SESSION_set_max_early_data(SSL_SESSION *s, uint32_t max_early_data) |
1042 | { | |
1043 | s->ext.max_early_data = max_early_data; | |
1044 | ||
1045 | return 1; | |
1046 | } | |
1047 | ||
67738645 MC |
1048 | void SSL_SESSION_get0_alpn_selected(const SSL_SESSION *s, |
1049 | const unsigned char **alpn, | |
1050 | size_t *len) | |
1051 | { | |
1052 | *alpn = s->ext.alpn_selected; | |
1053 | *len = s->ext.alpn_selected_len; | |
1054 | } | |
1055 | ||
1056 | int SSL_SESSION_set1_alpn_selected(SSL_SESSION *s, const unsigned char *alpn, | |
1057 | size_t len) | |
1058 | { | |
1059 | OPENSSL_free(s->ext.alpn_selected); | |
1060 | if (alpn == NULL || len == 0) { | |
1061 | s->ext.alpn_selected = NULL; | |
1062 | s->ext.alpn_selected_len = 0; | |
1063 | return 1; | |
1064 | } | |
1065 | s->ext.alpn_selected = OPENSSL_memdup(alpn, len); | |
1066 | if (s->ext.alpn_selected == NULL) { | |
1067 | s->ext.alpn_selected_len = 0; | |
1068 | return 0; | |
1069 | } | |
1070 | s->ext.alpn_selected_len = len; | |
1071 | ||
1072 | return 1; | |
1073 | } | |
1074 | ||
08557cf2 | 1075 | X509 *SSL_SESSION_get0_peer(SSL_SESSION *s) |
0f113f3e MC |
1076 | { |
1077 | return s->peer; | |
1078 | } | |
1079 | ||
3c95ef22 TS |
1080 | EVP_PKEY *SSL_SESSION_get0_peer_rpk(SSL_SESSION *s) |
1081 | { | |
1082 | return s->peer_rpk; | |
1083 | } | |
1084 | ||
0f113f3e MC |
1085 | int SSL_SESSION_set1_id_context(SSL_SESSION *s, const unsigned char *sid_ctx, |
1086 | unsigned int sid_ctx_len) | |
1087 | { | |
1088 | if (sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) { | |
6849b73c | 1089 | ERR_raise(ERR_LIB_SSL, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); |
0f113f3e MC |
1090 | return 0; |
1091 | } | |
1092 | s->sid_ctx_length = sid_ctx_len; | |
6aad9393 RG |
1093 | if (sid_ctx != s->sid_ctx) |
1094 | memcpy(s->sid_ctx, sid_ctx, sid_ctx_len); | |
0f113f3e MC |
1095 | |
1096 | return 1; | |
1097 | } | |
08557cf2 | 1098 | |
e586eac8 MC |
1099 | int SSL_SESSION_is_resumable(const SSL_SESSION *s) |
1100 | { | |
1101 | /* | |
1102 | * In the case of EAP-FAST, we can have a pre-shared "ticket" without a | |
1103 | * session ID. | |
1104 | */ | |
1105 | return !s->not_resumable | |
1106 | && (s->session_id_length > 0 || s->ext.ticklen > 0); | |
1107 | } | |
1108 | ||
6b691a5c | 1109 | long SSL_CTX_set_timeout(SSL_CTX *s, long t) |
0f113f3e MC |
1110 | { |
1111 | long l; | |
f0131dc0 | 1112 | |
0f113f3e | 1113 | if (s == NULL) |
26a7d938 | 1114 | return 0; |
f0131dc0 P |
1115 | l = (long)ossl_time2seconds(s->session_timeout); |
1116 | s->session_timeout = ossl_seconds2time(t); | |
26a7d938 | 1117 | return l; |
0f113f3e | 1118 | } |
413c4f45 | 1119 | |
0821bcd4 | 1120 | long SSL_CTX_get_timeout(const SSL_CTX *s) |
0f113f3e MC |
1121 | { |
1122 | if (s == NULL) | |
26a7d938 | 1123 | return 0; |
f0131dc0 | 1124 | return (long)ossl_time2seconds(s->session_timeout); |
0f113f3e | 1125 | } |
413c4f45 | 1126 | |
0f113f3e | 1127 | int SSL_set_session_secret_cb(SSL *s, |
aff8c126 | 1128 | tls_session_secret_cb_fn tls_session_secret_cb, |
0f113f3e MC |
1129 | void *arg) |
1130 | { | |
38b051a1 TM |
1131 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1132 | ||
1133 | if (sc == NULL) | |
26a7d938 | 1134 | return 0; |
38b051a1 TM |
1135 | |
1136 | sc->ext.session_secret_cb = tls_session_secret_cb; | |
1137 | sc->ext.session_secret_cb_arg = arg; | |
208fb891 | 1138 | return 1; |
0f113f3e | 1139 | } |
12bf56c0 DSH |
1140 | |
1141 | int SSL_set_session_ticket_ext_cb(SSL *s, tls_session_ticket_ext_cb_fn cb, | |
0f113f3e MC |
1142 | void *arg) |
1143 | { | |
38b051a1 TM |
1144 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1145 | ||
1146 | if (sc == NULL) | |
26a7d938 | 1147 | return 0; |
38b051a1 TM |
1148 | |
1149 | sc->ext.session_ticket_cb = cb; | |
1150 | sc->ext.session_ticket_cb_arg = arg; | |
208fb891 | 1151 | return 1; |
0f113f3e | 1152 | } |
12bf56c0 DSH |
1153 | |
1154 | int SSL_set_session_ticket_ext(SSL *s, void *ext_data, int ext_len) | |
0f113f3e | 1155 | { |
38b051a1 TM |
1156 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1157 | ||
1158 | if (sc == NULL) | |
1159 | return 0; | |
1160 | ||
1161 | if (sc->version >= TLS1_VERSION) { | |
1162 | OPENSSL_free(sc->ext.session_ticket); | |
1163 | sc->ext.session_ticket = NULL; | |
1164 | sc->ext.session_ticket = | |
0f113f3e | 1165 | OPENSSL_malloc(sizeof(TLS_SESSION_TICKET_EXT) + ext_len); |
e077455e | 1166 | if (sc->ext.session_ticket == NULL) |
0f113f3e | 1167 | return 0; |
0f113f3e | 1168 | |
1ed327f7 | 1169 | if (ext_data != NULL) { |
38b051a1 TM |
1170 | sc->ext.session_ticket->length = ext_len; |
1171 | sc->ext.session_ticket->data = sc->ext.session_ticket + 1; | |
1172 | memcpy(sc->ext.session_ticket->data, ext_data, ext_len); | |
0f113f3e | 1173 | } else { |
38b051a1 TM |
1174 | sc->ext.session_ticket->length = 0; |
1175 | sc->ext.session_ticket->data = NULL; | |
0f113f3e MC |
1176 | } |
1177 | ||
1178 | return 1; | |
1179 | } | |
1180 | ||
1181 | return 0; | |
1182 | } | |
0f113f3e | 1183 | |
6b691a5c | 1184 | void SSL_CTX_flush_sessions(SSL_CTX *s, long t) |
0f113f3e | 1185 | { |
25959e04 TS |
1186 | STACK_OF(SSL_SESSION) *sk; |
1187 | SSL_SESSION *current; | |
0f113f3e | 1188 | unsigned long i; |
f0131dc0 | 1189 | const OSSL_TIME timeout = ossl_time_from_time_t(t); |
0f113f3e | 1190 | |
cd3f8c1b RS |
1191 | if (!CRYPTO_THREAD_write_lock(s->lock)) |
1192 | return; | |
25959e04 TS |
1193 | |
1194 | sk = sk_SSL_SESSION_new_null(); | |
739a1eb1 RS |
1195 | i = lh_SSL_SESSION_get_down_load(s->sessions); |
1196 | lh_SSL_SESSION_set_down_load(s->sessions, 0); | |
25959e04 TS |
1197 | |
1198 | /* | |
1199 | * Iterate over the list from the back (oldest), and stop | |
1200 | * when a session can no longer be removed. | |
1201 | * Add the session to a temporary list to be freed outside | |
1202 | * the SSL_CTX lock. | |
1203 | * But still do the remove_session_cb() within the lock. | |
1204 | */ | |
1205 | while (s->session_cache_tail != NULL) { | |
1206 | current = s->session_cache_tail; | |
f0131dc0 | 1207 | if (t == 0 || sess_timedout(timeout, current)) { |
25959e04 TS |
1208 | lh_SSL_SESSION_delete(s->sessions, current); |
1209 | SSL_SESSION_list_remove(s, current); | |
1210 | current->not_resumable = 1; | |
1211 | if (s->remove_session_cb != NULL) | |
1212 | s->remove_session_cb(s, current); | |
1213 | /* | |
1214 | * Throw the session on a stack, it's entirely plausible | |
1215 | * that while freeing outside the critical section, the | |
1216 | * session could be re-added, so avoid using the next/prev | |
1217 | * pointers. If the stack failed to create, or the session | |
1218 | * couldn't be put on the stack, just free it here | |
1219 | */ | |
1220 | if (sk == NULL || !sk_SSL_SESSION_push(sk, current)) | |
1221 | SSL_SESSION_free(current); | |
1222 | } else { | |
1223 | break; | |
1224 | } | |
1225 | } | |
1226 | ||
739a1eb1 | 1227 | lh_SSL_SESSION_set_down_load(s->sessions, i); |
16203f7b | 1228 | CRYPTO_THREAD_unlock(s->lock); |
25959e04 TS |
1229 | |
1230 | sk_SSL_SESSION_pop_free(sk, SSL_SESSION_free); | |
0f113f3e | 1231 | } |
d02b48c6 | 1232 | |
38b051a1 | 1233 | int ssl_clear_bad_session(SSL_CONNECTION *s) |
0f113f3e MC |
1234 | { |
1235 | if ((s->session != NULL) && | |
1236 | !(s->shutdown & SSL_SENT_SHUTDOWN) && | |
38b051a1 TM |
1237 | !(SSL_in_init(SSL_CONNECTION_GET_SSL(s)) |
1238 | || SSL_in_before(SSL_CONNECTION_GET_SSL(s)))) { | |
e2bb9b9b | 1239 | SSL_CTX_remove_session(s->session_ctx, s->session); |
208fb891 | 1240 | return 1; |
0f113f3e | 1241 | } else |
26a7d938 | 1242 | return 0; |
0f113f3e | 1243 | } |
58964a49 RE |
1244 | |
1245 | /* locked by SSL_CTX in the calling function */ | |
6b691a5c | 1246 | static void SSL_SESSION_list_remove(SSL_CTX *ctx, SSL_SESSION *s) |
0f113f3e MC |
1247 | { |
1248 | if ((s->next == NULL) || (s->prev == NULL)) | |
1249 | return; | |
1250 | ||
1251 | if (s->next == (SSL_SESSION *)&(ctx->session_cache_tail)) { | |
1252 | /* last element in list */ | |
1253 | if (s->prev == (SSL_SESSION *)&(ctx->session_cache_head)) { | |
1254 | /* only one element in list */ | |
1255 | ctx->session_cache_head = NULL; | |
1256 | ctx->session_cache_tail = NULL; | |
1257 | } else { | |
1258 | ctx->session_cache_tail = s->prev; | |
1259 | s->prev->next = (SSL_SESSION *)&(ctx->session_cache_tail); | |
1260 | } | |
1261 | } else { | |
1262 | if (s->prev == (SSL_SESSION *)&(ctx->session_cache_head)) { | |
1263 | /* first element in list */ | |
1264 | ctx->session_cache_head = s->next; | |
1265 | s->next->prev = (SSL_SESSION *)&(ctx->session_cache_head); | |
1266 | } else { | |
1267 | /* middle of list */ | |
1268 | s->next->prev = s->prev; | |
1269 | s->prev->next = s->next; | |
1270 | } | |
1271 | } | |
1272 | s->prev = s->next = NULL; | |
25959e04 | 1273 | s->owner = NULL; |
0f113f3e | 1274 | } |
58964a49 | 1275 | |
6b691a5c | 1276 | static void SSL_SESSION_list_add(SSL_CTX *ctx, SSL_SESSION *s) |
0f113f3e | 1277 | { |
25959e04 TS |
1278 | SSL_SESSION *next; |
1279 | ||
0f113f3e MC |
1280 | if ((s->next != NULL) && (s->prev != NULL)) |
1281 | SSL_SESSION_list_remove(ctx, s); | |
1282 | ||
1283 | if (ctx->session_cache_head == NULL) { | |
1284 | ctx->session_cache_head = s; | |
1285 | ctx->session_cache_tail = s; | |
1286 | s->prev = (SSL_SESSION *)&(ctx->session_cache_head); | |
1287 | s->next = (SSL_SESSION *)&(ctx->session_cache_tail); | |
1288 | } else { | |
25959e04 TS |
1289 | if (timeoutcmp(s, ctx->session_cache_head) >= 0) { |
1290 | /* | |
1291 | * if we timeout after (or the same time as) the first | |
1292 | * session, put us first - usual case | |
1293 | */ | |
1294 | s->next = ctx->session_cache_head; | |
1295 | s->next->prev = s; | |
1296 | s->prev = (SSL_SESSION *)&(ctx->session_cache_head); | |
1297 | ctx->session_cache_head = s; | |
1298 | } else if (timeoutcmp(s, ctx->session_cache_tail) < 0) { | |
1299 | /* if we timeout before the last session, put us last */ | |
1300 | s->prev = ctx->session_cache_tail; | |
1301 | s->prev->next = s; | |
1302 | s->next = (SSL_SESSION *)&(ctx->session_cache_tail); | |
1303 | ctx->session_cache_tail = s; | |
1304 | } else { | |
1305 | /* | |
1306 | * we timeout somewhere in-between - if there is only | |
1307 | * one session in the cache it will be caught above | |
1308 | */ | |
1309 | next = ctx->session_cache_head->next; | |
1310 | while (next != (SSL_SESSION*)&(ctx->session_cache_tail)) { | |
1311 | if (timeoutcmp(s, next) >= 0) { | |
1312 | s->next = next; | |
1313 | s->prev = next->prev; | |
1314 | next->prev->next = s; | |
1315 | next->prev = s; | |
1316 | break; | |
1317 | } | |
1318 | next = next->next; | |
1319 | } | |
1320 | } | |
0f113f3e | 1321 | } |
25959e04 | 1322 | s->owner = ctx; |
0f113f3e | 1323 | } |
58964a49 | 1324 | |
7806f3dd | 1325 | void SSL_CTX_sess_set_new_cb(SSL_CTX *ctx, |
a230b26e | 1326 | int (*cb) (struct ssl_st *ssl, SSL_SESSION *sess)) |
0f113f3e MC |
1327 | { |
1328 | ctx->new_session_cb = cb; | |
1329 | } | |
7806f3dd | 1330 | |
0f113f3e MC |
1331 | int (*SSL_CTX_sess_get_new_cb(SSL_CTX *ctx)) (SSL *ssl, SSL_SESSION *sess) { |
1332 | return ctx->new_session_cb; | |
1333 | } | |
7806f3dd NL |
1334 | |
1335 | void SSL_CTX_sess_set_remove_cb(SSL_CTX *ctx, | |
0f113f3e MC |
1336 | void (*cb) (SSL_CTX *ctx, SSL_SESSION *sess)) |
1337 | { | |
1338 | ctx->remove_session_cb = cb; | |
1339 | } | |
7806f3dd | 1340 | |
0f113f3e MC |
1341 | void (*SSL_CTX_sess_get_remove_cb(SSL_CTX *ctx)) (SSL_CTX *ctx, |
1342 | SSL_SESSION *sess) { | |
1343 | return ctx->remove_session_cb; | |
1344 | } | |
7806f3dd NL |
1345 | |
1346 | void SSL_CTX_sess_set_get_cb(SSL_CTX *ctx, | |
38b051a1 | 1347 | SSL_SESSION *(*cb) (SSL *ssl, |
b6981744 EK |
1348 | const unsigned char *data, |
1349 | int len, int *copy)) | |
0f113f3e MC |
1350 | { |
1351 | ctx->get_session_cb = cb; | |
1352 | } | |
1353 | ||
1354 | SSL_SESSION *(*SSL_CTX_sess_get_get_cb(SSL_CTX *ctx)) (SSL *ssl, | |
a230b26e EK |
1355 | const unsigned char |
1356 | *data, int len, | |
1357 | int *copy) { | |
0f113f3e MC |
1358 | return ctx->get_session_cb; |
1359 | } | |
1360 | ||
1361 | void SSL_CTX_set_info_callback(SSL_CTX *ctx, | |
1362 | void (*cb) (const SSL *ssl, int type, int val)) | |
1363 | { | |
1364 | ctx->info_callback = cb; | |
1365 | } | |
1366 | ||
1367 | void (*SSL_CTX_get_info_callback(SSL_CTX *ctx)) (const SSL *ssl, int type, | |
1368 | int val) { | |
1369 | return ctx->info_callback; | |
1370 | } | |
7806f3dd NL |
1371 | |
1372 | void SSL_CTX_set_client_cert_cb(SSL_CTX *ctx, | |
0f113f3e MC |
1373 | int (*cb) (SSL *ssl, X509 **x509, |
1374 | EVP_PKEY **pkey)) | |
1375 | { | |
1376 | ctx->client_cert_cb = cb; | |
1377 | } | |
7806f3dd | 1378 | |
0f113f3e MC |
1379 | int (*SSL_CTX_get_client_cert_cb(SSL_CTX *ctx)) (SSL *ssl, X509 **x509, |
1380 | EVP_PKEY **pkey) { | |
1381 | return ctx->client_cert_cb; | |
1382 | } | |
7806f3dd NL |
1383 | |
1384 | void SSL_CTX_set_cookie_generate_cb(SSL_CTX *ctx, | |
0f113f3e MC |
1385 | int (*cb) (SSL *ssl, |
1386 | unsigned char *cookie, | |
1387 | unsigned int *cookie_len)) | |
1388 | { | |
1389 | ctx->app_gen_cookie_cb = cb; | |
1390 | } | |
7806f3dd NL |
1391 | |
1392 | void SSL_CTX_set_cookie_verify_cb(SSL_CTX *ctx, | |
a230b26e EK |
1393 | int (*cb) (SSL *ssl, |
1394 | const unsigned char *cookie, | |
0f113f3e MC |
1395 | unsigned int cookie_len)) |
1396 | { | |
1397 | ctx->app_verify_cookie_cb = cb; | |
1398 | } | |
7806f3dd | 1399 | |
df0fed9a TS |
1400 | int SSL_SESSION_set1_ticket_appdata(SSL_SESSION *ss, const void *data, size_t len) |
1401 | { | |
1402 | OPENSSL_free(ss->ticket_appdata); | |
1403 | ss->ticket_appdata_len = 0; | |
1404 | if (data == NULL || len == 0) { | |
1405 | ss->ticket_appdata = NULL; | |
1406 | return 1; | |
1407 | } | |
1408 | ss->ticket_appdata = OPENSSL_memdup(data, len); | |
1409 | if (ss->ticket_appdata != NULL) { | |
1410 | ss->ticket_appdata_len = len; | |
1411 | return 1; | |
1412 | } | |
1413 | return 0; | |
1414 | } | |
1415 | ||
1416 | int SSL_SESSION_get0_ticket_appdata(SSL_SESSION *ss, void **data, size_t *len) | |
1417 | { | |
1418 | *data = ss->ticket_appdata; | |
1419 | *len = ss->ticket_appdata_len; | |
1420 | return 1; | |
1421 | } | |
1422 | ||
3fa2812f BS |
1423 | void SSL_CTX_set_stateless_cookie_generate_cb( |
1424 | SSL_CTX *ctx, | |
1425 | int (*cb) (SSL *ssl, | |
1426 | unsigned char *cookie, | |
1427 | size_t *cookie_len)) | |
1428 | { | |
1429 | ctx->gen_stateless_cookie_cb = cb; | |
1430 | } | |
1431 | ||
1432 | void SSL_CTX_set_stateless_cookie_verify_cb( | |
1433 | SSL_CTX *ctx, | |
1434 | int (*cb) (SSL *ssl, | |
1435 | const unsigned char *cookie, | |
1436 | size_t cookie_len)) | |
1437 | { | |
1438 | ctx->verify_stateless_cookie_cb = cb; | |
1439 | } | |
1440 | ||
a230b26e | 1441 | IMPLEMENT_PEM_rw(SSL_SESSION, SSL_SESSION, PEM_STRING_SSL_SESSION, SSL_SESSION) |