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0f113f3e | 1 | /* |
3c95ef22 | 2 | * Copyright 1995-2023 The OpenSSL Project Authors. All Rights Reserved. |
aa8f3d76 | 3 | * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved |
c80149d9 | 4 | * Copyright 2005 Nokia. All rights reserved. |
bf21446a | 5 | * |
2c18d164 | 6 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
846e33c7 RS |
7 | * this file except in compliance with the License. You can obtain a copy |
8 | * in the file LICENSE in the source distribution or at | |
9 | * https://www.openssl.org/source/license.html | |
bf21446a | 10 | */ |
846e33c7 | 11 | |
d02b48c6 | 12 | #include <stdio.h> |
706457b7 | 13 | #include "ssl_local.h" |
d5f9166b | 14 | #include "internal/e_os.h" |
ec577822 | 15 | #include <openssl/objects.h> |
bb7cd4e3 | 16 | #include <openssl/x509v3.h> |
6434abbf | 17 | #include <openssl/rand.h> |
67c8e7f4 | 18 | #include <openssl/ocsp.h> |
3c27208f RS |
19 | #include <openssl/dh.h> |
20 | #include <openssl/engine.h> | |
07bbc92c | 21 | #include <openssl/async.h> |
3c27208f | 22 | #include <openssl/ct.h> |
77359d22 | 23 | #include <openssl/trace.h> |
4566dae7 | 24 | #include <openssl/core_names.h> |
67dc995e | 25 | #include "internal/cryptlib.h" |
f2a6f838 | 26 | #include "internal/nelem.h" |
cd420b0b | 27 | #include "internal/refcount.h" |
50ec7505 | 28 | #include "internal/ktls.h" |
03bacce8 | 29 | #include "quic/quic_local.h" |
0f113f3e | 30 | |
38b051a1 | 31 | static int ssl_undefined_function_3(SSL_CONNECTION *sc, unsigned char *r, |
fce78bd4 BE |
32 | unsigned char *s, size_t t, size_t *u) |
33 | { | |
38b051a1 | 34 | return ssl_undefined_function(SSL_CONNECTION_GET_SSL(sc)); |
fce78bd4 BE |
35 | } |
36 | ||
38b051a1 | 37 | static int ssl_undefined_function_4(SSL_CONNECTION *sc, int r) |
fce78bd4 | 38 | { |
38b051a1 | 39 | return ssl_undefined_function(SSL_CONNECTION_GET_SSL(sc)); |
fce78bd4 BE |
40 | } |
41 | ||
38b051a1 TM |
42 | static size_t ssl_undefined_function_5(SSL_CONNECTION *sc, const char *r, |
43 | size_t s, unsigned char *t) | |
fce78bd4 | 44 | { |
38b051a1 | 45 | return ssl_undefined_function(SSL_CONNECTION_GET_SSL(sc)); |
fce78bd4 BE |
46 | } |
47 | ||
48 | static int ssl_undefined_function_6(int r) | |
49 | { | |
fce78bd4 BE |
50 | return ssl_undefined_function(NULL); |
51 | } | |
52 | ||
38b051a1 TM |
53 | static int ssl_undefined_function_7(SSL_CONNECTION *sc, unsigned char *r, |
54 | size_t s, const char *t, size_t u, | |
fce78bd4 BE |
55 | const unsigned char *v, size_t w, int x) |
56 | { | |
38b051a1 TM |
57 | return ssl_undefined_function(SSL_CONNECTION_GET_SSL(sc)); |
58 | } | |
59 | ||
60 | static int ssl_undefined_function_8(SSL_CONNECTION *sc) | |
61 | { | |
62 | return ssl_undefined_function(SSL_CONNECTION_GET_SSL(sc)); | |
fce78bd4 BE |
63 | } |
64 | ||
89dd87e1 | 65 | const SSL3_ENC_METHOD ssl3_undef_enc_method = { |
38b051a1 | 66 | ssl_undefined_function_8, |
fce78bd4 BE |
67 | ssl_undefined_function_3, |
68 | ssl_undefined_function_4, | |
69 | ssl_undefined_function_5, | |
0f113f3e MC |
70 | NULL, /* client_finished_label */ |
71 | 0, /* client_finished_label_len */ | |
72 | NULL, /* server_finished_label */ | |
73 | 0, /* server_finished_label_len */ | |
fce78bd4 BE |
74 | ssl_undefined_function_6, |
75 | ssl_undefined_function_7, | |
0f113f3e | 76 | }; |
d02b48c6 | 77 | |
07bbc92c MC |
78 | struct ssl_async_args { |
79 | SSL *s; | |
80 | void *buf; | |
348240c6 | 81 | size_t num; |
a230b26e | 82 | enum { READFUNC, WRITEFUNC, OTHERFUNC } type; |
add2f5ca | 83 | union { |
eda75751 | 84 | int (*func_read) (SSL *, void *, size_t, size_t *); |
7ee8627f | 85 | int (*func_write) (SSL *, const void *, size_t, size_t *); |
a230b26e | 86 | int (*func_other) (SSL *); |
add2f5ca | 87 | } f; |
07bbc92c MC |
88 | }; |
89 | ||
919ba009 VD |
90 | static const struct { |
91 | uint8_t mtype; | |
92 | uint8_t ord; | |
a230b26e | 93 | int nid; |
919ba009 | 94 | } dane_mds[] = { |
a230b26e EK |
95 | { |
96 | DANETLS_MATCHING_FULL, 0, NID_undef | |
97 | }, | |
98 | { | |
99 | DANETLS_MATCHING_2256, 1, NID_sha256 | |
100 | }, | |
101 | { | |
102 | DANETLS_MATCHING_2512, 2, NID_sha512 | |
103 | }, | |
919ba009 VD |
104 | }; |
105 | ||
106 | static int dane_ctx_enable(struct dane_ctx_st *dctx) | |
107 | { | |
108 | const EVP_MD **mdevp; | |
109 | uint8_t *mdord; | |
110 | uint8_t mdmax = DANETLS_MATCHING_LAST; | |
a230b26e | 111 | int n = ((int)mdmax) + 1; /* int to handle PrivMatch(255) */ |
919ba009 VD |
112 | size_t i; |
113 | ||
5ae4ceb9 VD |
114 | if (dctx->mdevp != NULL) |
115 | return 1; | |
116 | ||
919ba009 VD |
117 | mdevp = OPENSSL_zalloc(n * sizeof(*mdevp)); |
118 | mdord = OPENSSL_zalloc(n * sizeof(*mdord)); | |
119 | ||
120 | if (mdord == NULL || mdevp == NULL) { | |
b3bd3d5a | 121 | OPENSSL_free(mdord); |
919ba009 | 122 | OPENSSL_free(mdevp); |
919ba009 VD |
123 | return 0; |
124 | } | |
125 | ||
126 | /* Install default entries */ | |
127 | for (i = 0; i < OSSL_NELEM(dane_mds); ++i) { | |
128 | const EVP_MD *md; | |
129 | ||
130 | if (dane_mds[i].nid == NID_undef || | |
131 | (md = EVP_get_digestbynid(dane_mds[i].nid)) == NULL) | |
132 | continue; | |
133 | mdevp[dane_mds[i].mtype] = md; | |
134 | mdord[dane_mds[i].mtype] = dane_mds[i].ord; | |
135 | } | |
136 | ||
137 | dctx->mdevp = mdevp; | |
138 | dctx->mdord = mdord; | |
139 | dctx->mdmax = mdmax; | |
140 | ||
141 | return 1; | |
142 | } | |
143 | ||
144 | static void dane_ctx_final(struct dane_ctx_st *dctx) | |
145 | { | |
146 | OPENSSL_free(dctx->mdevp); | |
147 | dctx->mdevp = NULL; | |
148 | ||
149 | OPENSSL_free(dctx->mdord); | |
150 | dctx->mdord = NULL; | |
151 | dctx->mdmax = 0; | |
152 | } | |
153 | ||
154 | static void tlsa_free(danetls_record *t) | |
155 | { | |
156 | if (t == NULL) | |
157 | return; | |
158 | OPENSSL_free(t->data); | |
159 | EVP_PKEY_free(t->spki); | |
160 | OPENSSL_free(t); | |
161 | } | |
162 | ||
b9aec69a | 163 | static void dane_final(SSL_DANE *dane) |
919ba009 VD |
164 | { |
165 | sk_danetls_record_pop_free(dane->trecs, tlsa_free); | |
166 | dane->trecs = NULL; | |
167 | ||
79b2a2f2 | 168 | OSSL_STACK_OF_X509_free(dane->certs); |
919ba009 VD |
169 | dane->certs = NULL; |
170 | ||
171 | X509_free(dane->mcert); | |
172 | dane->mcert = NULL; | |
173 | dane->mtlsa = NULL; | |
174 | dane->mdpth = -1; | |
175 | dane->pdpth = -1; | |
176 | } | |
177 | ||
178 | /* | |
179 | * dane_copy - Copy dane configuration, sans verification state. | |
180 | */ | |
38b051a1 | 181 | static int ssl_dane_dup(SSL_CONNECTION *to, SSL_CONNECTION *from) |
919ba009 VD |
182 | { |
183 | int num; | |
184 | int i; | |
185 | ||
186 | if (!DANETLS_ENABLED(&from->dane)) | |
187 | return 1; | |
188 | ||
e431363f | 189 | num = sk_danetls_record_num(from->dane.trecs); |
919ba009 | 190 | dane_final(&to->dane); |
5ae4ceb9 | 191 | to->dane.flags = from->dane.flags; |
38b051a1 | 192 | to->dane.dctx = &SSL_CONNECTION_GET_CTX(to)->dane; |
7a908204 | 193 | to->dane.trecs = sk_danetls_record_new_reserve(NULL, num); |
9f6b22b8 VD |
194 | |
195 | if (to->dane.trecs == NULL) { | |
e077455e | 196 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
9f6b22b8 VD |
197 | return 0; |
198 | } | |
919ba009 | 199 | |
919ba009 VD |
200 | for (i = 0; i < num; ++i) { |
201 | danetls_record *t = sk_danetls_record_value(from->dane.trecs, i); | |
9f6b22b8 | 202 | |
38b051a1 TM |
203 | if (SSL_dane_tlsa_add(SSL_CONNECTION_GET_SSL(to), t->usage, |
204 | t->selector, t->mtype, t->data, t->dlen) <= 0) | |
919ba009 VD |
205 | return 0; |
206 | } | |
207 | return 1; | |
208 | } | |
209 | ||
a230b26e EK |
210 | static int dane_mtype_set(struct dane_ctx_st *dctx, |
211 | const EVP_MD *md, uint8_t mtype, uint8_t ord) | |
919ba009 VD |
212 | { |
213 | int i; | |
214 | ||
215 | if (mtype == DANETLS_MATCHING_FULL && md != NULL) { | |
6849b73c | 216 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_CANNOT_OVERRIDE_MTYPE_FULL); |
919ba009 VD |
217 | return 0; |
218 | } | |
219 | ||
220 | if (mtype > dctx->mdmax) { | |
221 | const EVP_MD **mdevp; | |
222 | uint8_t *mdord; | |
a230b26e | 223 | int n = ((int)mtype) + 1; |
919ba009 VD |
224 | |
225 | mdevp = OPENSSL_realloc(dctx->mdevp, n * sizeof(*mdevp)); | |
e077455e | 226 | if (mdevp == NULL) |
919ba009 | 227 | return -1; |
919ba009 VD |
228 | dctx->mdevp = mdevp; |
229 | ||
230 | mdord = OPENSSL_realloc(dctx->mdord, n * sizeof(*mdord)); | |
e077455e | 231 | if (mdord == NULL) |
919ba009 | 232 | return -1; |
919ba009 VD |
233 | dctx->mdord = mdord; |
234 | ||
235 | /* Zero-fill any gaps */ | |
a230b26e | 236 | for (i = dctx->mdmax + 1; i < mtype; ++i) { |
919ba009 VD |
237 | mdevp[i] = NULL; |
238 | mdord[i] = 0; | |
239 | } | |
240 | ||
241 | dctx->mdmax = mtype; | |
242 | } | |
243 | ||
244 | dctx->mdevp[mtype] = md; | |
245 | /* Coerce ordinal of disabled matching types to 0 */ | |
246 | dctx->mdord[mtype] = (md == NULL) ? 0 : ord; | |
247 | ||
248 | return 1; | |
249 | } | |
250 | ||
b9aec69a | 251 | static const EVP_MD *tlsa_md_get(SSL_DANE *dane, uint8_t mtype) |
919ba009 VD |
252 | { |
253 | if (mtype > dane->dctx->mdmax) | |
254 | return NULL; | |
255 | return dane->dctx->mdevp[mtype]; | |
256 | } | |
257 | ||
a230b26e EK |
258 | static int dane_tlsa_add(SSL_DANE *dane, |
259 | uint8_t usage, | |
260 | uint8_t selector, | |
6d4313f0 | 261 | uint8_t mtype, const unsigned char *data, size_t dlen) |
919ba009 VD |
262 | { |
263 | danetls_record *t; | |
264 | const EVP_MD *md = NULL; | |
265 | int ilen = (int)dlen; | |
266 | int i; | |
9f6b22b8 | 267 | int num; |
919ba009 VD |
268 | |
269 | if (dane->trecs == NULL) { | |
6849b73c | 270 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_NOT_ENABLED); |
919ba009 VD |
271 | return -1; |
272 | } | |
273 | ||
274 | if (ilen < 0 || dlen != (size_t)ilen) { | |
6849b73c | 275 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_BAD_DATA_LENGTH); |
919ba009 VD |
276 | return 0; |
277 | } | |
278 | ||
279 | if (usage > DANETLS_USAGE_LAST) { | |
6849b73c | 280 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_BAD_CERTIFICATE_USAGE); |
919ba009 VD |
281 | return 0; |
282 | } | |
283 | ||
284 | if (selector > DANETLS_SELECTOR_LAST) { | |
6849b73c | 285 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_BAD_SELECTOR); |
919ba009 VD |
286 | return 0; |
287 | } | |
288 | ||
289 | if (mtype != DANETLS_MATCHING_FULL) { | |
290 | md = tlsa_md_get(dane, mtype); | |
291 | if (md == NULL) { | |
6849b73c | 292 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_BAD_MATCHING_TYPE); |
919ba009 VD |
293 | return 0; |
294 | } | |
295 | } | |
296 | ||
ed576acd | 297 | if (md != NULL && dlen != (size_t)EVP_MD_get_size(md)) { |
6849b73c | 298 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_BAD_DIGEST_LENGTH); |
919ba009 VD |
299 | return 0; |
300 | } | |
301 | if (!data) { | |
6849b73c | 302 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_NULL_DATA); |
919ba009 VD |
303 | return 0; |
304 | } | |
305 | ||
e077455e | 306 | if ((t = OPENSSL_zalloc(sizeof(*t))) == NULL) |
919ba009 | 307 | return -1; |
919ba009 VD |
308 | |
309 | t->usage = usage; | |
310 | t->selector = selector; | |
311 | t->mtype = mtype; | |
348240c6 | 312 | t->data = OPENSSL_malloc(dlen); |
919ba009 VD |
313 | if (t->data == NULL) { |
314 | tlsa_free(t); | |
919ba009 VD |
315 | return -1; |
316 | } | |
348240c6 MC |
317 | memcpy(t->data, data, dlen); |
318 | t->dlen = dlen; | |
919ba009 VD |
319 | |
320 | /* Validate and cache full certificate or public key */ | |
321 | if (mtype == DANETLS_MATCHING_FULL) { | |
322 | const unsigned char *p = data; | |
323 | X509 *cert = NULL; | |
324 | EVP_PKEY *pkey = NULL; | |
325 | ||
326 | switch (selector) { | |
327 | case DANETLS_SELECTOR_CERT: | |
348240c6 | 328 | if (!d2i_X509(&cert, &p, ilen) || p < data || |
919ba009 | 329 | dlen != (size_t)(p - data)) { |
e4a94bcc | 330 | X509_free(cert); |
919ba009 | 331 | tlsa_free(t); |
6849b73c | 332 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_BAD_CERTIFICATE); |
919ba009 VD |
333 | return 0; |
334 | } | |
335 | if (X509_get0_pubkey(cert) == NULL) { | |
e4a94bcc | 336 | X509_free(cert); |
919ba009 | 337 | tlsa_free(t); |
6849b73c | 338 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_BAD_CERTIFICATE); |
919ba009 VD |
339 | return 0; |
340 | } | |
341 | ||
342 | if ((DANETLS_USAGE_BIT(usage) & DANETLS_TA_MASK) == 0) { | |
f636e7e6 VD |
343 | /* |
344 | * The Full(0) certificate decodes to a seemingly valid X.509 | |
345 | * object with a plausible key, so the TLSA record is well | |
164a541b | 346 | * formed. However, we don't actually need the certificate for |
f636e7e6 VD |
347 | * usages PKIX-EE(1) or DANE-EE(3), because at least the EE |
348 | * certificate is always presented by the peer. We discard the | |
349 | * certificate, and just use the TLSA data as an opaque blob | |
350 | * for matching the raw presented DER octets. | |
351 | * | |
352 | * DO NOT FREE `t` here, it will be added to the TLSA record | |
353 | * list below! | |
354 | */ | |
919ba009 VD |
355 | X509_free(cert); |
356 | break; | |
357 | } | |
358 | ||
359 | /* | |
360 | * For usage DANE-TA(2), we support authentication via "2 0 0" TLSA | |
361 | * records that contain full certificates of trust-anchors that are | |
362 | * not present in the wire chain. For usage PKIX-TA(0), we augment | |
363 | * the chain with untrusted Full(0) certificates from DNS, in case | |
364 | * they are missing from the chain. | |
365 | */ | |
366 | if ((dane->certs == NULL && | |
367 | (dane->certs = sk_X509_new_null()) == NULL) || | |
368 | !sk_X509_push(dane->certs, cert)) { | |
e077455e | 369 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
919ba009 VD |
370 | X509_free(cert); |
371 | tlsa_free(t); | |
372 | return -1; | |
373 | } | |
374 | break; | |
375 | ||
376 | case DANETLS_SELECTOR_SPKI: | |
348240c6 | 377 | if (!d2i_PUBKEY(&pkey, &p, ilen) || p < data || |
919ba009 | 378 | dlen != (size_t)(p - data)) { |
e4a94bcc | 379 | EVP_PKEY_free(pkey); |
919ba009 | 380 | tlsa_free(t); |
6849b73c | 381 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_BAD_PUBLIC_KEY); |
919ba009 VD |
382 | return 0; |
383 | } | |
384 | ||
385 | /* | |
386 | * For usage DANE-TA(2), we support authentication via "2 1 0" TLSA | |
387 | * records that contain full bare keys of trust-anchors that are | |
388 | * not present in the wire chain. | |
389 | */ | |
390 | if (usage == DANETLS_USAGE_DANE_TA) | |
391 | t->spki = pkey; | |
392 | else | |
393 | EVP_PKEY_free(pkey); | |
394 | break; | |
395 | } | |
396 | } | |
397 | ||
398 | /*- | |
399 | * Find the right insertion point for the new record. | |
400 | * | |
401 | * See crypto/x509/x509_vfy.c. We sort DANE-EE(3) records first, so that | |
402 | * they can be processed first, as they require no chain building, and no | |
403 | * expiration or hostname checks. Because DANE-EE(3) is numerically | |
404 | * largest, this is accomplished via descending sort by "usage". | |
405 | * | |
406 | * We also sort in descending order by matching ordinal to simplify | |
407 | * the implementation of digest agility in the verification code. | |
408 | * | |
409 | * The choice of order for the selector is not significant, so we | |
410 | * use the same descending order for consistency. | |
411 | */ | |
9f6b22b8 VD |
412 | num = sk_danetls_record_num(dane->trecs); |
413 | for (i = 0; i < num; ++i) { | |
919ba009 | 414 | danetls_record *rec = sk_danetls_record_value(dane->trecs, i); |
9f6b22b8 | 415 | |
919ba009 VD |
416 | if (rec->usage > usage) |
417 | continue; | |
418 | if (rec->usage < usage) | |
419 | break; | |
420 | if (rec->selector > selector) | |
421 | continue; | |
422 | if (rec->selector < selector) | |
423 | break; | |
424 | if (dane->dctx->mdord[rec->mtype] > dane->dctx->mdord[mtype]) | |
425 | continue; | |
426 | break; | |
427 | } | |
428 | ||
429 | if (!sk_danetls_record_insert(dane->trecs, t, i)) { | |
430 | tlsa_free(t); | |
e077455e | 431 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
919ba009 VD |
432 | return -1; |
433 | } | |
434 | dane->umask |= DANETLS_USAGE_BIT(usage); | |
435 | ||
436 | return 1; | |
437 | } | |
438 | ||
c8feba72 BK |
439 | /* |
440 | * Return 0 if there is only one version configured and it was disabled | |
441 | * at configure time. Return 1 otherwise. | |
442 | */ | |
d6e7ebba | 443 | static int ssl_check_allowed_versions(int min_version, int max_version) |
c8feba72 BK |
444 | { |
445 | int minisdtls = 0, maxisdtls = 0; | |
446 | ||
447 | /* Figure out if we're doing DTLS versions or TLS versions */ | |
448 | if (min_version == DTLS1_BAD_VER | |
449 | || min_version >> 8 == DTLS1_VERSION_MAJOR) | |
450 | minisdtls = 1; | |
451 | if (max_version == DTLS1_BAD_VER | |
452 | || max_version >> 8 == DTLS1_VERSION_MAJOR) | |
453 | maxisdtls = 1; | |
454 | /* A wildcard version of 0 could be DTLS or TLS. */ | |
455 | if ((minisdtls && !maxisdtls && max_version != 0) | |
456 | || (maxisdtls && !minisdtls && min_version != 0)) { | |
457 | /* Mixing DTLS and TLS versions will lead to sadness; deny it. */ | |
458 | return 0; | |
459 | } | |
460 | ||
461 | if (minisdtls || maxisdtls) { | |
462 | /* Do DTLS version checks. */ | |
463 | if (min_version == 0) | |
464 | /* Ignore DTLS1_BAD_VER */ | |
465 | min_version = DTLS1_VERSION; | |
466 | if (max_version == 0) | |
467 | max_version = DTLS1_2_VERSION; | |
468 | #ifdef OPENSSL_NO_DTLS1_2 | |
469 | if (max_version == DTLS1_2_VERSION) | |
470 | max_version = DTLS1_VERSION; | |
471 | #endif | |
472 | #ifdef OPENSSL_NO_DTLS1 | |
473 | if (min_version == DTLS1_VERSION) | |
474 | min_version = DTLS1_2_VERSION; | |
475 | #endif | |
79b4444d DMSP |
476 | /* Done massaging versions; do the check. */ |
477 | if (0 | |
c8feba72 BK |
478 | #ifdef OPENSSL_NO_DTLS1 |
479 | || (DTLS_VERSION_GE(min_version, DTLS1_VERSION) | |
480 | && DTLS_VERSION_GE(DTLS1_VERSION, max_version)) | |
481 | #endif | |
482 | #ifdef OPENSSL_NO_DTLS1_2 | |
483 | || (DTLS_VERSION_GE(min_version, DTLS1_2_VERSION) | |
484 | && DTLS_VERSION_GE(DTLS1_2_VERSION, max_version)) | |
485 | #endif | |
486 | ) | |
487 | return 0; | |
488 | } else { | |
489 | /* Regular TLS version checks. */ | |
79b4444d | 490 | if (min_version == 0) |
d6e7ebba | 491 | min_version = SSL3_VERSION; |
79b4444d DMSP |
492 | if (max_version == 0) |
493 | max_version = TLS1_3_VERSION; | |
c8feba72 | 494 | #ifdef OPENSSL_NO_TLS1_3 |
79b4444d DMSP |
495 | if (max_version == TLS1_3_VERSION) |
496 | max_version = TLS1_2_VERSION; | |
c8feba72 BK |
497 | #endif |
498 | #ifdef OPENSSL_NO_TLS1_2 | |
79b4444d DMSP |
499 | if (max_version == TLS1_2_VERSION) |
500 | max_version = TLS1_1_VERSION; | |
c8feba72 BK |
501 | #endif |
502 | #ifdef OPENSSL_NO_TLS1_1 | |
79b4444d DMSP |
503 | if (max_version == TLS1_1_VERSION) |
504 | max_version = TLS1_VERSION; | |
c8feba72 BK |
505 | #endif |
506 | #ifdef OPENSSL_NO_TLS1 | |
79b4444d DMSP |
507 | if (max_version == TLS1_VERSION) |
508 | max_version = SSL3_VERSION; | |
c8feba72 BK |
509 | #endif |
510 | #ifdef OPENSSL_NO_SSL3 | |
79b4444d DMSP |
511 | if (min_version == SSL3_VERSION) |
512 | min_version = TLS1_VERSION; | |
c8feba72 BK |
513 | #endif |
514 | #ifdef OPENSSL_NO_TLS1 | |
79b4444d DMSP |
515 | if (min_version == TLS1_VERSION) |
516 | min_version = TLS1_1_VERSION; | |
c8feba72 BK |
517 | #endif |
518 | #ifdef OPENSSL_NO_TLS1_1 | |
79b4444d DMSP |
519 | if (min_version == TLS1_1_VERSION) |
520 | min_version = TLS1_2_VERSION; | |
c8feba72 BK |
521 | #endif |
522 | #ifdef OPENSSL_NO_TLS1_2 | |
79b4444d DMSP |
523 | if (min_version == TLS1_2_VERSION) |
524 | min_version = TLS1_3_VERSION; | |
c8feba72 | 525 | #endif |
79b4444d DMSP |
526 | /* Done massaging versions; do the check. */ |
527 | if (0 | |
c8feba72 BK |
528 | #ifdef OPENSSL_NO_SSL3 |
529 | || (min_version <= SSL3_VERSION && SSL3_VERSION <= max_version) | |
530 | #endif | |
531 | #ifdef OPENSSL_NO_TLS1 | |
532 | || (min_version <= TLS1_VERSION && TLS1_VERSION <= max_version) | |
533 | #endif | |
534 | #ifdef OPENSSL_NO_TLS1_1 | |
535 | || (min_version <= TLS1_1_VERSION && TLS1_1_VERSION <= max_version) | |
536 | #endif | |
537 | #ifdef OPENSSL_NO_TLS1_2 | |
538 | || (min_version <= TLS1_2_VERSION && TLS1_2_VERSION <= max_version) | |
539 | #endif | |
540 | #ifdef OPENSSL_NO_TLS1_3 | |
541 | || (min_version <= TLS1_3_VERSION && TLS1_3_VERSION <= max_version) | |
542 | #endif | |
543 | ) | |
544 | return 0; | |
545 | } | |
546 | return 1; | |
547 | } | |
548 | ||
08073700 RB |
549 | #if defined(__TANDEM) && defined(OPENSSL_VPROC) |
550 | /* | |
551 | * Define a VPROC function for HP NonStop build ssl library. | |
552 | * This is used by platform version identification tools. | |
553 | * Do not inline this procedure or make it static. | |
554 | */ | |
555 | # define OPENSSL_VPROC_STRING_(x) x##_SSL | |
556 | # define OPENSSL_VPROC_STRING(x) OPENSSL_VPROC_STRING_(x) | |
557 | # define OPENSSL_VPROC_FUNC OPENSSL_VPROC_STRING(OPENSSL_VPROC) | |
558 | void OPENSSL_VPROC_FUNC(void) {} | |
559 | #endif | |
560 | ||
4f43d0e7 | 561 | int SSL_clear(SSL *s) |
0f113f3e | 562 | { |
0f113f3e | 563 | if (s->method == NULL) { |
6849b73c | 564 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_METHOD_SPECIFIED); |
a89325e4 | 565 | return 0; |
0f113f3e | 566 | } |
d02b48c6 | 567 | |
38b051a1 TM |
568 | return s->method->ssl_reset(s); |
569 | } | |
570 | ||
571 | int ossl_ssl_connection_reset(SSL *s) | |
572 | { | |
573 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
574 | ||
575 | if (sc == NULL) | |
576 | return 0; | |
577 | ||
578 | if (ssl_clear_bad_session(sc)) { | |
579 | SSL_SESSION_free(sc->session); | |
580 | sc->session = NULL; | |
0f113f3e | 581 | } |
38b051a1 TM |
582 | SSL_SESSION_free(sc->psksession); |
583 | sc->psksession = NULL; | |
584 | OPENSSL_free(sc->psksession_id); | |
585 | sc->psksession_id = NULL; | |
586 | sc->psksession_id_len = 0; | |
5ac7ee4d | 587 | sc->hello_retry_request = SSL_HRR_NONE; |
38b051a1 | 588 | sc->sent_tickets = 0; |
d62bfb39 | 589 | |
38b051a1 TM |
590 | sc->error = 0; |
591 | sc->hit = 0; | |
592 | sc->shutdown = 0; | |
d02b48c6 | 593 | |
38b051a1 | 594 | if (sc->renegotiate) { |
6849b73c | 595 | ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR); |
0f113f3e MC |
596 | return 0; |
597 | } | |
d02b48c6 | 598 | |
38b051a1 | 599 | ossl_statem_clear(sc); |
413c4f45 | 600 | |
38b051a1 TM |
601 | sc->version = s->method->version; |
602 | sc->client_version = sc->version; | |
603 | sc->rwstate = SSL_NOTHING; | |
d02b48c6 | 604 | |
38b051a1 TM |
605 | BUF_MEM_free(sc->init_buf); |
606 | sc->init_buf = NULL; | |
38b051a1 | 607 | sc->first_packet = 0; |
d02b48c6 | 608 | |
38b051a1 | 609 | sc->key_update = SSL_KEY_UPDATE_NONE; |
b67cb09f TS |
610 | memset(sc->ext.compress_certificate_from_peer, 0, |
611 | sizeof(sc->ext.compress_certificate_from_peer)); | |
612 | sc->ext.compress_certificate_sent = 0; | |
44c04a2e | 613 | |
38b051a1 TM |
614 | EVP_MD_CTX_free(sc->pha_dgst); |
615 | sc->pha_dgst = NULL; | |
88834998 | 616 | |
919ba009 | 617 | /* Reset DANE verification result state */ |
38b051a1 TM |
618 | sc->dane.mdpth = -1; |
619 | sc->dane.pdpth = -1; | |
620 | X509_free(sc->dane.mcert); | |
621 | sc->dane.mcert = NULL; | |
622 | sc->dane.mtlsa = NULL; | |
919ba009 VD |
623 | |
624 | /* Clear the verification result peername */ | |
38b051a1 | 625 | X509_VERIFY_PARAM_move_peername(sc->param, NULL); |
919ba009 | 626 | |
29948ac8 | 627 | /* Clear any shared connection state */ |
38b051a1 TM |
628 | OPENSSL_free(sc->shared_sigalgs); |
629 | sc->shared_sigalgs = NULL; | |
630 | sc->shared_sigalgslen = 0; | |
29948ac8 | 631 | |
0f113f3e MC |
632 | /* |
633 | * Check to see if we were changed into a different method, if so, revert | |
24252537 | 634 | * back. |
0f113f3e | 635 | */ |
a7f41885 | 636 | if (s->method != s->defltmeth) { |
38b051a1 | 637 | s->method->ssl_deinit(s); |
a7f41885 | 638 | s->method = s->defltmeth; |
38b051a1 | 639 | if (!s->method->ssl_init(s)) |
a89325e4 | 640 | return 0; |
b77f3ed1 MC |
641 | } else { |
642 | if (!s->method->ssl_clear(s)) | |
643 | return 0; | |
644 | } | |
33d23b87 | 645 | |
4a0e4849 | 646 | if (!RECORD_LAYER_reset(&sc->rlayer)) |
2b71b042 | 647 | return 0; |
aedbb71b | 648 | |
a89325e4 | 649 | return 1; |
0f113f3e | 650 | } |
d02b48c6 | 651 | |
dd0164e7 | 652 | #ifndef OPENSSL_NO_DEPRECATED_3_0 |
4f43d0e7 | 653 | /** Used to change an SSL_CTXs default SSL method type */ |
0f113f3e MC |
654 | int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth) |
655 | { | |
656 | STACK_OF(SSL_CIPHER) *sk; | |
657 | ||
3ea30e76 HL |
658 | if (IS_QUIC_CTX(ctx)) { |
659 | ERR_raise(ERR_LIB_SSL, SSL_R_WRONG_SSL_VERSION); | |
660 | return 0; | |
661 | } | |
662 | ||
0f113f3e MC |
663 | ctx->method = meth; |
664 | ||
5d120511 | 665 | if (!SSL_CTX_set_ciphersuites(ctx, OSSL_default_ciphersuites())) { |
6849b73c | 666 | ERR_raise(ERR_LIB_SSL, SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS); |
2340ed27 BK |
667 | return 0; |
668 | } | |
a68eee67 | 669 | sk = ssl_create_cipher_list(ctx, |
f865b081 MC |
670 | ctx->tls13_ciphersuites, |
671 | &(ctx->cipher_list), | |
0f113f3e | 672 | &(ctx->cipher_list_by_id), |
5d120511 | 673 | OSSL_default_cipher_list(), ctx->cert); |
0f113f3e | 674 | if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0)) { |
6849b73c | 675 | ERR_raise(ERR_LIB_SSL, SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS); |
26a7d938 | 676 | return 0; |
0f113f3e | 677 | } |
208fb891 | 678 | return 1; |
0f113f3e | 679 | } |
dd0164e7 | 680 | #endif |
d02b48c6 | 681 | |
4f43d0e7 | 682 | SSL *SSL_new(SSL_CTX *ctx) |
0f113f3e | 683 | { |
0f113f3e | 684 | if (ctx == NULL) { |
6849b73c | 685 | ERR_raise(ERR_LIB_SSL, SSL_R_NULL_SSL_CTX); |
26a7d938 | 686 | return NULL; |
0f113f3e MC |
687 | } |
688 | if (ctx->method == NULL) { | |
6849b73c | 689 | ERR_raise(ERR_LIB_SSL, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION); |
26a7d938 | 690 | return NULL; |
0f113f3e | 691 | } |
38b051a1 TM |
692 | return ctx->method->ssl_new(ctx); |
693 | } | |
694 | ||
a7f41885 | 695 | int ossl_ssl_init(SSL *ssl, SSL_CTX *ctx, const SSL_METHOD *method, int type) |
38b051a1 TM |
696 | { |
697 | ssl->type = type; | |
698 | ||
38b051a1 TM |
699 | ssl->lock = CRYPTO_THREAD_lock_new(); |
700 | if (ssl->lock == NULL) | |
701 | return 0; | |
702 | ||
43a07d6d P |
703 | if (!CRYPTO_NEW_REF(&ssl->references, 1)) { |
704 | CRYPTO_THREAD_lock_free(ssl->lock); | |
705 | return 0; | |
706 | } | |
707 | ||
c10ded8c TS |
708 | if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, ssl, &ssl->ex_data)) { |
709 | CRYPTO_THREAD_lock_free(ssl->lock); | |
43a07d6d | 710 | CRYPTO_FREE_REF(&ssl->references); |
c10ded8c TS |
711 | ssl->lock = NULL; |
712 | return 0; | |
713 | } | |
714 | ||
38b051a1 TM |
715 | SSL_CTX_up_ref(ctx); |
716 | ssl->ctx = ctx; | |
717 | ||
a7f41885 | 718 | ssl->defltmeth = ssl->method = method; |
38b051a1 | 719 | |
38b051a1 TM |
720 | return 1; |
721 | } | |
722 | ||
a7f41885 | 723 | SSL *ossl_ssl_connection_new_int(SSL_CTX *ctx, const SSL_METHOD *method) |
38b051a1 TM |
724 | { |
725 | SSL_CONNECTION *s; | |
726 | SSL *ssl; | |
0f113f3e | 727 | |
b51bce94 | 728 | s = OPENSSL_zalloc(sizeof(*s)); |
0f113f3e | 729 | if (s == NULL) |
38b051a1 | 730 | return NULL; |
0f113f3e | 731 | |
38b051a1 | 732 | ssl = &s->ssl; |
a7f41885 | 733 | if (!ossl_ssl_init(ssl, ctx, method, SSL_TYPE_SSL_CONNECTION)) { |
e6b10c34 BE |
734 | OPENSSL_free(s); |
735 | s = NULL; | |
c4a44e7b | 736 | ssl = NULL; |
e077455e | 737 | goto sslerr; |
e6b10c34 | 738 | } |
ae3947de | 739 | |
c036e210 | 740 | RECORD_LAYER_init(&s->rlayer, s); |
28d59af8 | 741 | |
0f113f3e | 742 | s->options = ctx->options; |
f0d9757c | 743 | |
5ae4ceb9 | 744 | s->dane.flags = ctx->dane.flags; |
4f373a97 TM |
745 | if (method->version == ctx->method->version) { |
746 | s->min_proto_version = ctx->min_proto_version; | |
747 | s->max_proto_version = ctx->max_proto_version; | |
748 | } | |
0eecf841 | 749 | |
0f113f3e MC |
750 | s->mode = ctx->mode; |
751 | s->max_cert_list = ctx->max_cert_list; | |
6e5550a1 HL |
752 | s->max_early_data = ctx->max_early_data; |
753 | s->recv_max_early_data = ctx->recv_max_early_data; | |
82a2beca | 754 | |
9d0a8bb7 | 755 | s->num_tickets = ctx->num_tickets; |
e97be718 | 756 | s->pha_enabled = ctx->pha_enabled; |
0f113f3e | 757 | |
f865b081 MC |
758 | /* Shallow copy of the ciphersuites stack */ |
759 | s->tls13_ciphersuites = sk_SSL_CIPHER_dup(ctx->tls13_ciphersuites); | |
760 | if (s->tls13_ciphersuites == NULL) | |
e077455e | 761 | goto cerr; |
f865b081 | 762 | |
2c382349 KR |
763 | /* |
764 | * Earlier library versions used to copy the pointer to the CERT, not | |
765 | * its contents; only when setting new parameters for the per-SSL | |
766 | * copy, ssl_cert_new would be called (and the direct reference to | |
767 | * the per-SSL_CTX settings would be lost, but those still were | |
768 | * indirectly accessed for various purposes, and for that reason they | |
769 | * used to be known as s->ctx->default_cert). Now we don't look at the | |
770 | * SSL_CTX's CERT after having duplicated it once. | |
771 | */ | |
772 | s->cert = ssl_cert_dup(ctx->cert); | |
773 | if (s->cert == NULL) | |
e077455e | 774 | goto sslerr; |
0f113f3e | 775 | |
52e1d7b1 | 776 | RECORD_LAYER_set_read_ahead(&s->rlayer, ctx->read_ahead); |
0f113f3e MC |
777 | s->msg_callback = ctx->msg_callback; |
778 | s->msg_callback_arg = ctx->msg_callback_arg; | |
779 | s->verify_mode = ctx->verify_mode; | |
780 | s->not_resumable_session_cb = ctx->not_resumable_session_cb; | |
d6e7ebba HL |
781 | s->rlayer.record_padding_cb = ctx->record_padding_cb; |
782 | s->rlayer.record_padding_arg = ctx->record_padding_arg; | |
783 | s->rlayer.block_padding = ctx->block_padding; | |
0f113f3e | 784 | s->sid_ctx_length = ctx->sid_ctx_length; |
cbe29648 | 785 | if (!ossl_assert(s->sid_ctx_length <= sizeof(s->sid_ctx))) |
380a522f | 786 | goto err; |
0f113f3e MC |
787 | memcpy(&s->sid_ctx, &ctx->sid_ctx, sizeof(s->sid_ctx)); |
788 | s->verify_callback = ctx->default_verify_callback; | |
789 | s->generate_session_id = ctx->generate_session_id; | |
790 | ||
791 | s->param = X509_VERIFY_PARAM_new(); | |
a71edf3b | 792 | if (s->param == NULL) |
e077455e | 793 | goto asn1err; |
0f113f3e | 794 | X509_VERIFY_PARAM_inherit(s->param, ctx->param); |
f66f0d3c | 795 | s->quiet_shutdown = IS_QUIC_CTX(ctx) ? 0 : ctx->quiet_shutdown; |
cf72c757 | 796 | |
82a2beca | 797 | if (!IS_QUIC_CTX(ctx)) |
d0638fd5 HL |
798 | s->ext.max_fragment_len_mode = ctx->ext.max_fragment_len_mode; |
799 | ||
0f113f3e | 800 | s->max_send_fragment = ctx->max_send_fragment; |
d102d9df MC |
801 | s->split_send_fragment = ctx->split_send_fragment; |
802 | s->max_pipelines = ctx->max_pipelines; | |
cffafb5f | 803 | s->rlayer.default_read_buf_len = ctx->default_read_buf_len; |
bf21446a | 804 | |
aff8c126 RS |
805 | s->ext.debug_cb = 0; |
806 | s->ext.debug_arg = NULL; | |
807 | s->ext.ticket_expected = 0; | |
808 | s->ext.status_type = ctx->ext.status_type; | |
809 | s->ext.status_expected = 0; | |
810 | s->ext.ocsp.ids = NULL; | |
811 | s->ext.ocsp.exts = NULL; | |
812 | s->ext.ocsp.resp = NULL; | |
813 | s->ext.ocsp.resp_len = 0; | |
16203f7b | 814 | SSL_CTX_up_ref(ctx); |
222da979 | 815 | s->session_ctx = ctx; |
aff8c126 RS |
816 | if (ctx->ext.ecpointformats) { |
817 | s->ext.ecpointformats = | |
818 | OPENSSL_memdup(ctx->ext.ecpointformats, | |
819 | ctx->ext.ecpointformats_len); | |
39a14059 MC |
820 | if (!s->ext.ecpointformats) { |
821 | s->ext.ecpointformats_len = 0; | |
0f113f3e | 822 | goto err; |
39a14059 | 823 | } |
aff8c126 RS |
824 | s->ext.ecpointformats_len = |
825 | ctx->ext.ecpointformats_len; | |
826 | } | |
827 | if (ctx->ext.supportedgroups) { | |
828 | s->ext.supportedgroups = | |
829 | OPENSSL_memdup(ctx->ext.supportedgroups, | |
9e84a42d | 830 | ctx->ext.supportedgroups_len |
b92d7b62 | 831 | * sizeof(*ctx->ext.supportedgroups)); |
39a14059 MC |
832 | if (!s->ext.supportedgroups) { |
833 | s->ext.supportedgroups_len = 0; | |
0f113f3e | 834 | goto err; |
39a14059 | 835 | } |
aff8c126 | 836 | s->ext.supportedgroups_len = ctx->ext.supportedgroups_len; |
0f113f3e | 837 | } |
dbc6268f | 838 | |
a230b26e | 839 | #ifndef OPENSSL_NO_NEXTPROTONEG |
aff8c126 | 840 | s->ext.npn = NULL; |
a230b26e | 841 | #endif |
6f017a8f | 842 | |
38b051a1 TM |
843 | if (ctx->ext.alpn != NULL) { |
844 | s->ext.alpn = OPENSSL_malloc(ctx->ext.alpn_len); | |
39a14059 MC |
845 | if (s->ext.alpn == NULL) { |
846 | s->ext.alpn_len = 0; | |
0f113f3e | 847 | goto err; |
39a14059 | 848 | } |
38b051a1 TM |
849 | memcpy(s->ext.alpn, ctx->ext.alpn, ctx->ext.alpn_len); |
850 | s->ext.alpn_len = ctx->ext.alpn_len; | |
0f113f3e | 851 | } |
d02b48c6 | 852 | |
696178ed | 853 | s->verified_chain = NULL; |
0f113f3e | 854 | s->verify_result = X509_V_OK; |
d02b48c6 | 855 | |
a974e64a MC |
856 | s->default_passwd_callback = ctx->default_passwd_callback; |
857 | s->default_passwd_callback_userdata = ctx->default_passwd_callback_userdata; | |
858 | ||
44c04a2e MC |
859 | s->key_update = SSL_KEY_UPDATE_NONE; |
860 | ||
82a2beca HL |
861 | if (!IS_QUIC_CTX(ctx)) { |
862 | s->allow_early_data_cb = ctx->allow_early_data_cb; | |
863 | s->allow_early_data_cb_data = ctx->allow_early_data_cb_data; | |
864 | } | |
c9598459 | 865 | |
a7f41885 | 866 | if (!method->ssl_init(ssl)) |
e077455e | 867 | goto sslerr; |
d02b48c6 | 868 | |
a7f41885 | 869 | s->server = (method->ssl_accept == ssl_undefined_function) ? 0 : 1; |
bf21446a | 870 | |
a7f41885 | 871 | if (!method->ssl_reset(ssl)) |
e077455e | 872 | goto sslerr; |
58964a49 | 873 | |
ddac1974 | 874 | #ifndef OPENSSL_NO_PSK |
0f113f3e MC |
875 | s->psk_client_callback = ctx->psk_client_callback; |
876 | s->psk_server_callback = ctx->psk_server_callback; | |
ddac1974 | 877 | #endif |
f46184bd MC |
878 | s->psk_find_session_cb = ctx->psk_find_session_cb; |
879 | s->psk_use_session_cb = ctx->psk_use_session_cb; | |
ddac1974 | 880 | |
9f5a87fd PY |
881 | s->async_cb = ctx->async_cb; |
882 | s->async_cb_arg = ctx->async_cb_arg; | |
883 | ||
07bbc92c MC |
884 | s->job = NULL; |
885 | ||
b67cb09f TS |
886 | #ifndef OPENSSL_NO_COMP_ALG |
887 | memcpy(s->cert_comp_prefs, ctx->cert_comp_prefs, sizeof(s->cert_comp_prefs)); | |
888 | #endif | |
3c95ef22 TS |
889 | if (ctx->client_cert_type != NULL) { |
890 | s->client_cert_type = OPENSSL_memdup(ctx->client_cert_type, | |
891 | ctx->client_cert_type_len); | |
892 | if (s->client_cert_type == NULL) | |
893 | goto sslerr; | |
894 | s->client_cert_type_len = ctx->client_cert_type_len; | |
895 | } | |
896 | if (ctx->server_cert_type != NULL) { | |
897 | s->server_cert_type = OPENSSL_memdup(ctx->server_cert_type, | |
898 | ctx->server_cert_type_len); | |
899 | if (s->server_cert_type == NULL) | |
900 | goto sslerr; | |
901 | s->server_cert_type_len = ctx->server_cert_type_len; | |
902 | } | |
b67cb09f | 903 | |
ed29e82a | 904 | #ifndef OPENSSL_NO_CT |
38b051a1 | 905 | if (!SSL_set_ct_validation_callback(ssl, ctx->ct_validation_callback, |
a230b26e | 906 | ctx->ct_validation_callback_arg)) |
e077455e | 907 | goto sslerr; |
ed29e82a RP |
908 | #endif |
909 | ||
ee58915c | 910 | s->ssl_pkey_num = SSL_PKEY_NUM + ctx->sigalg_list_len; |
38b051a1 | 911 | return ssl; |
e077455e RL |
912 | cerr: |
913 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); | |
914 | goto err; | |
915 | asn1err: | |
916 | ERR_raise(ERR_LIB_SSL, ERR_R_ASN1_LIB); | |
917 | goto err; | |
918 | sslerr: | |
919 | ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB); | |
0f113f3e | 920 | err: |
38b051a1 | 921 | SSL_free(ssl); |
16203f7b | 922 | return NULL; |
0f113f3e | 923 | } |
d02b48c6 | 924 | |
a7f41885 MC |
925 | SSL *ossl_ssl_connection_new(SSL_CTX *ctx) |
926 | { | |
927 | return ossl_ssl_connection_new_int(ctx, ctx->method); | |
928 | } | |
929 | ||
e417070c RS |
930 | int SSL_is_dtls(const SSL *s) |
931 | { | |
38b051a1 TM |
932 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
933 | ||
50769b15 | 934 | #ifndef OPENSSL_NO_QUIC |
f8636c7e | 935 | if (s->type == SSL_TYPE_QUIC_CONNECTION || s->type == SSL_TYPE_QUIC_XSO) |
50769b15 MC |
936 | return 0; |
937 | #endif | |
938 | ||
38b051a1 TM |
939 | if (sc == NULL) |
940 | return 0; | |
941 | ||
942 | return SSL_CONNECTION_IS_DTLS(sc) ? 1 : 0; | |
e417070c RS |
943 | } |
944 | ||
50769b15 MC |
945 | int SSL_is_tls(const SSL *s) |
946 | { | |
947 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
948 | ||
949 | #ifndef OPENSSL_NO_QUIC | |
f8636c7e | 950 | if (s->type == SSL_TYPE_QUIC_CONNECTION || s->type == SSL_TYPE_QUIC_XSO) |
50769b15 MC |
951 | return 0; |
952 | #endif | |
953 | ||
954 | if (sc == NULL) | |
955 | return 0; | |
956 | ||
957 | return SSL_CONNECTION_IS_DTLS(sc) ? 0 : 1; | |
958 | } | |
959 | ||
960 | int SSL_is_quic(const SSL *s) | |
961 | { | |
962 | #ifndef OPENSSL_NO_QUIC | |
f8636c7e | 963 | if (s->type == SSL_TYPE_QUIC_CONNECTION || s->type == SSL_TYPE_QUIC_XSO) |
50769b15 MC |
964 | return 1; |
965 | #endif | |
966 | return 0; | |
967 | } | |
968 | ||
c5ebfcab | 969 | int SSL_up_ref(SSL *s) |
a18a31e4 | 970 | { |
16203f7b | 971 | int i; |
c5ebfcab | 972 | |
43a07d6d | 973 | if (CRYPTO_UP_REF(&s->references, &i) <= 0) |
c5ebfcab F |
974 | return 0; |
975 | ||
976 | REF_PRINT_COUNT("SSL", s); | |
977 | REF_ASSERT_ISNT(i < 2); | |
978 | return ((i > 1) ? 1 : 0); | |
a18a31e4 MC |
979 | } |
980 | ||
0f113f3e MC |
981 | int SSL_CTX_set_session_id_context(SSL_CTX *ctx, const unsigned char *sid_ctx, |
982 | unsigned int sid_ctx_len) | |
983 | { | |
fe9edc9d | 984 | if (sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) { |
6849b73c | 985 | ERR_raise(ERR_LIB_SSL, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); |
0f113f3e MC |
986 | return 0; |
987 | } | |
988 | ctx->sid_ctx_length = sid_ctx_len; | |
989 | memcpy(ctx->sid_ctx, sid_ctx, sid_ctx_len); | |
4eb77b26 BM |
990 | |
991 | return 1; | |
0f113f3e | 992 | } |
4eb77b26 | 993 | |
0f113f3e MC |
994 | int SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx, |
995 | unsigned int sid_ctx_len) | |
996 | { | |
38b051a1 TM |
997 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
998 | ||
999 | if (sc == NULL) | |
1000 | return 0; | |
1001 | ||
0f113f3e | 1002 | if (sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) { |
6849b73c | 1003 | ERR_raise(ERR_LIB_SSL, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); |
0f113f3e MC |
1004 | return 0; |
1005 | } | |
38b051a1 TM |
1006 | sc->sid_ctx_length = sid_ctx_len; |
1007 | memcpy(sc->sid_ctx, sid_ctx, sid_ctx_len); | |
b4cadc6e BL |
1008 | |
1009 | return 1; | |
0f113f3e | 1010 | } |
b4cadc6e | 1011 | |
dc644fe2 | 1012 | int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb) |
0f113f3e | 1013 | { |
cd3f8c1b RS |
1014 | if (!CRYPTO_THREAD_write_lock(ctx->lock)) |
1015 | return 0; | |
0f113f3e | 1016 | ctx->generate_session_id = cb; |
16203f7b | 1017 | CRYPTO_THREAD_unlock(ctx->lock); |
0f113f3e MC |
1018 | return 1; |
1019 | } | |
dc644fe2 GT |
1020 | |
1021 | int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb) | |
0f113f3e | 1022 | { |
38b051a1 TM |
1023 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
1024 | ||
1025 | if (sc == NULL || !CRYPTO_THREAD_write_lock(ssl->lock)) | |
cd3f8c1b | 1026 | return 0; |
38b051a1 | 1027 | sc->generate_session_id = cb; |
16203f7b | 1028 | CRYPTO_THREAD_unlock(ssl->lock); |
0f113f3e MC |
1029 | return 1; |
1030 | } | |
dc644fe2 | 1031 | |
f85c9904 | 1032 | int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id, |
0f113f3e MC |
1033 | unsigned int id_len) |
1034 | { | |
1035 | /* | |
1036 | * A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how | |
69687aa8 | 1037 | * we can "construct" a session to give us the desired check - i.e. to |
0f113f3e MC |
1038 | * find if there's a session in the hash table that would conflict with |
1039 | * any new session built out of this id/id_len and the ssl_version in use | |
1040 | * by this SSL. | |
1041 | */ | |
1042 | SSL_SESSION r, *p; | |
38b051a1 | 1043 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl); |
0f113f3e | 1044 | |
38b051a1 | 1045 | if (sc == NULL || id_len > sizeof(r.session_id)) |
0f113f3e MC |
1046 | return 0; |
1047 | ||
38b051a1 | 1048 | r.ssl_version = sc->version; |
0f113f3e MC |
1049 | r.session_id_length = id_len; |
1050 | memcpy(r.session_id, id, id_len); | |
1051 | ||
38b051a1 | 1052 | if (!CRYPTO_THREAD_read_lock(sc->session_ctx->lock)) |
cd3f8c1b | 1053 | return 0; |
38b051a1 TM |
1054 | p = lh_SSL_SESSION_retrieve(sc->session_ctx->sessions, &r); |
1055 | CRYPTO_THREAD_unlock(sc->session_ctx->lock); | |
0f113f3e MC |
1056 | return (p != NULL); |
1057 | } | |
dc644fe2 | 1058 | |
bb7cd4e3 | 1059 | int SSL_CTX_set_purpose(SSL_CTX *s, int purpose) |
0f113f3e MC |
1060 | { |
1061 | return X509_VERIFY_PARAM_set_purpose(s->param, purpose); | |
1062 | } | |
bb7cd4e3 DSH |
1063 | |
1064 | int SSL_set_purpose(SSL *s, int purpose) | |
0f113f3e | 1065 | { |
38b051a1 TM |
1066 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1067 | ||
1068 | if (sc == NULL) | |
1069 | return 0; | |
1070 | ||
1071 | return X509_VERIFY_PARAM_set_purpose(sc->param, purpose); | |
0f113f3e | 1072 | } |
926a56bf | 1073 | |
bb7cd4e3 | 1074 | int SSL_CTX_set_trust(SSL_CTX *s, int trust) |
0f113f3e MC |
1075 | { |
1076 | return X509_VERIFY_PARAM_set_trust(s->param, trust); | |
1077 | } | |
bb7cd4e3 DSH |
1078 | |
1079 | int SSL_set_trust(SSL *s, int trust) | |
0f113f3e | 1080 | { |
38b051a1 TM |
1081 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1082 | ||
1083 | if (sc == NULL) | |
1084 | return 0; | |
1085 | ||
1086 | return X509_VERIFY_PARAM_set_trust(sc->param, trust); | |
0f113f3e | 1087 | } |
bb7cd4e3 | 1088 | |
919ba009 VD |
1089 | int SSL_set1_host(SSL *s, const char *hostname) |
1090 | { | |
38b051a1 TM |
1091 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1092 | ||
1093 | if (sc == NULL) | |
1094 | return 0; | |
1095 | ||
c832840e DW |
1096 | /* If a hostname is provided and parses as an IP address, |
1097 | * treat it as such. */ | |
38b051a1 TM |
1098 | if (hostname != NULL |
1099 | && X509_VERIFY_PARAM_set1_ip_asc(sc->param, hostname) == 1) | |
c832840e DW |
1100 | return 1; |
1101 | ||
38b051a1 | 1102 | return X509_VERIFY_PARAM_set1_host(sc->param, hostname, 0); |
919ba009 VD |
1103 | } |
1104 | ||
1105 | int SSL_add1_host(SSL *s, const char *hostname) | |
1106 | { | |
38b051a1 TM |
1107 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1108 | ||
1109 | if (sc == NULL) | |
1110 | return 0; | |
1111 | ||
c832840e DW |
1112 | /* If a hostname is provided and parses as an IP address, |
1113 | * treat it as such. */ | |
892a9e4c DW |
1114 | if (hostname) |
1115 | { | |
1116 | ASN1_OCTET_STRING *ip; | |
1117 | char *old_ip; | |
1118 | ||
1119 | ip = a2i_IPADDRESS(hostname); | |
1120 | if (ip) { | |
1121 | /* We didn't want it; only to check if it *is* an IP address */ | |
1122 | ASN1_OCTET_STRING_free(ip); | |
1123 | ||
38b051a1 | 1124 | old_ip = X509_VERIFY_PARAM_get1_ip_asc(sc->param); |
892a9e4c DW |
1125 | if (old_ip) |
1126 | { | |
f2bfc53b | 1127 | OPENSSL_free(old_ip); |
892a9e4c DW |
1128 | /* There can be only one IP address */ |
1129 | return 0; | |
1130 | } | |
1131 | ||
38b051a1 | 1132 | return X509_VERIFY_PARAM_set1_ip_asc(sc->param, hostname); |
892a9e4c DW |
1133 | } |
1134 | } | |
c832840e | 1135 | |
38b051a1 | 1136 | return X509_VERIFY_PARAM_add1_host(sc->param, hostname, 0); |
919ba009 VD |
1137 | } |
1138 | ||
1139 | void SSL_set_hostflags(SSL *s, unsigned int flags) | |
1140 | { | |
38b051a1 TM |
1141 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1142 | ||
1143 | if (sc == NULL) | |
1144 | return; | |
1145 | ||
1146 | X509_VERIFY_PARAM_set_hostflags(sc->param, flags); | |
919ba009 VD |
1147 | } |
1148 | ||
4588cb44 | 1149 | const char *SSL_get0_peername(SSL *s) |
919ba009 | 1150 | { |
38b051a1 TM |
1151 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1152 | ||
1153 | if (sc == NULL) | |
1154 | return NULL; | |
1155 | ||
1156 | return X509_VERIFY_PARAM_get0_peername(sc->param); | |
919ba009 VD |
1157 | } |
1158 | ||
1159 | int SSL_CTX_dane_enable(SSL_CTX *ctx) | |
1160 | { | |
1161 | return dane_ctx_enable(&ctx->dane); | |
1162 | } | |
1163 | ||
5ae4ceb9 VD |
1164 | unsigned long SSL_CTX_dane_set_flags(SSL_CTX *ctx, unsigned long flags) |
1165 | { | |
1166 | unsigned long orig = ctx->dane.flags; | |
1167 | ||
1168 | ctx->dane.flags |= flags; | |
1169 | return orig; | |
1170 | } | |
1171 | ||
1172 | unsigned long SSL_CTX_dane_clear_flags(SSL_CTX *ctx, unsigned long flags) | |
1173 | { | |
1174 | unsigned long orig = ctx->dane.flags; | |
1175 | ||
1176 | ctx->dane.flags &= ~flags; | |
1177 | return orig; | |
1178 | } | |
1179 | ||
919ba009 VD |
1180 | int SSL_dane_enable(SSL *s, const char *basedomain) |
1181 | { | |
38b051a1 TM |
1182 | SSL_DANE *dane; |
1183 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
919ba009 | 1184 | |
38b051a1 TM |
1185 | if (sc == NULL) |
1186 | return 0; | |
1187 | ||
1188 | dane = &sc->dane; | |
919ba009 | 1189 | if (s->ctx->dane.mdmax == 0) { |
6849b73c | 1190 | ERR_raise(ERR_LIB_SSL, SSL_R_CONTEXT_NOT_DANE_ENABLED); |
919ba009 VD |
1191 | return 0; |
1192 | } | |
1193 | if (dane->trecs != NULL) { | |
6849b73c | 1194 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_ALREADY_ENABLED); |
919ba009 VD |
1195 | return 0; |
1196 | } | |
1197 | ||
8d887efa VD |
1198 | /* |
1199 | * Default SNI name. This rejects empty names, while set1_host below | |
9929c817 | 1200 | * accepts them and disables hostname checks. To avoid side-effects with |
8d887efa VD |
1201 | * invalid input, set the SNI name first. |
1202 | */ | |
38b051a1 | 1203 | if (sc->ext.hostname == NULL) { |
dccd20d1 | 1204 | if (!SSL_set_tlsext_host_name(s, basedomain)) { |
6849b73c | 1205 | ERR_raise(ERR_LIB_SSL, SSL_R_ERROR_SETTING_TLSA_BASE_DOMAIN); |
dccd20d1 | 1206 | return -1; |
8d887efa VD |
1207 | } |
1208 | } | |
1209 | ||
919ba009 | 1210 | /* Primary RFC6125 reference identifier */ |
38b051a1 | 1211 | if (!X509_VERIFY_PARAM_set1_host(sc->param, basedomain, 0)) { |
6849b73c | 1212 | ERR_raise(ERR_LIB_SSL, SSL_R_ERROR_SETTING_TLSA_BASE_DOMAIN); |
919ba009 VD |
1213 | return -1; |
1214 | } | |
1215 | ||
919ba009 VD |
1216 | dane->mdpth = -1; |
1217 | dane->pdpth = -1; | |
1218 | dane->dctx = &s->ctx->dane; | |
1219 | dane->trecs = sk_danetls_record_new_null(); | |
1220 | ||
1221 | if (dane->trecs == NULL) { | |
e077455e | 1222 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
919ba009 VD |
1223 | return -1; |
1224 | } | |
1225 | return 1; | |
1226 | } | |
1227 | ||
5ae4ceb9 VD |
1228 | unsigned long SSL_dane_set_flags(SSL *ssl, unsigned long flags) |
1229 | { | |
38b051a1 TM |
1230 | unsigned long orig; |
1231 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); | |
1232 | ||
1233 | if (sc == NULL) | |
1234 | return 0; | |
1235 | ||
1236 | orig = sc->dane.flags; | |
5ae4ceb9 | 1237 | |
38b051a1 | 1238 | sc->dane.flags |= flags; |
5ae4ceb9 VD |
1239 | return orig; |
1240 | } | |
1241 | ||
1242 | unsigned long SSL_dane_clear_flags(SSL *ssl, unsigned long flags) | |
1243 | { | |
38b051a1 TM |
1244 | unsigned long orig; |
1245 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); | |
5ae4ceb9 | 1246 | |
38b051a1 TM |
1247 | if (sc == NULL) |
1248 | return 0; | |
1249 | ||
1250 | orig = sc->dane.flags; | |
1251 | ||
1252 | sc->dane.flags &= ~flags; | |
5ae4ceb9 VD |
1253 | return orig; |
1254 | } | |
1255 | ||
919ba009 VD |
1256 | int SSL_get0_dane_authority(SSL *s, X509 **mcert, EVP_PKEY **mspki) |
1257 | { | |
38b051a1 TM |
1258 | SSL_DANE *dane; |
1259 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
919ba009 | 1260 | |
38b051a1 TM |
1261 | if (sc == NULL) |
1262 | return -1; | |
1263 | ||
1264 | dane = &sc->dane; | |
1265 | ||
1266 | if (!DANETLS_ENABLED(dane) || sc->verify_result != X509_V_OK) | |
919ba009 VD |
1267 | return -1; |
1268 | if (dane->mtlsa) { | |
1269 | if (mcert) | |
1270 | *mcert = dane->mcert; | |
1271 | if (mspki) | |
1272 | *mspki = (dane->mcert == NULL) ? dane->mtlsa->spki : NULL; | |
1273 | } | |
1274 | return dane->mdpth; | |
1275 | } | |
1276 | ||
1277 | int SSL_get0_dane_tlsa(SSL *s, uint8_t *usage, uint8_t *selector, | |
6d4313f0 | 1278 | uint8_t *mtype, const unsigned char **data, size_t *dlen) |
919ba009 | 1279 | { |
38b051a1 TM |
1280 | SSL_DANE *dane; |
1281 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
919ba009 | 1282 | |
38b051a1 TM |
1283 | if (sc == NULL) |
1284 | return -1; | |
1285 | ||
1286 | dane = &sc->dane; | |
1287 | ||
1288 | if (!DANETLS_ENABLED(dane) || sc->verify_result != X509_V_OK) | |
919ba009 VD |
1289 | return -1; |
1290 | if (dane->mtlsa) { | |
1291 | if (usage) | |
1292 | *usage = dane->mtlsa->usage; | |
1293 | if (selector) | |
1294 | *selector = dane->mtlsa->selector; | |
1295 | if (mtype) | |
1296 | *mtype = dane->mtlsa->mtype; | |
1297 | if (data) | |
1298 | *data = dane->mtlsa->data; | |
1299 | if (dlen) | |
1300 | *dlen = dane->mtlsa->dlen; | |
1301 | } | |
1302 | return dane->mdpth; | |
1303 | } | |
1304 | ||
b9aec69a | 1305 | SSL_DANE *SSL_get0_dane(SSL *s) |
919ba009 | 1306 | { |
38b051a1 TM |
1307 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1308 | ||
1309 | if (sc == NULL) | |
1310 | return NULL; | |
1311 | ||
1312 | return &sc->dane; | |
919ba009 VD |
1313 | } |
1314 | ||
1315 | int SSL_dane_tlsa_add(SSL *s, uint8_t usage, uint8_t selector, | |
6d4313f0 | 1316 | uint8_t mtype, const unsigned char *data, size_t dlen) |
919ba009 | 1317 | { |
38b051a1 TM |
1318 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1319 | ||
1320 | if (sc == NULL) | |
1321 | return 0; | |
1322 | ||
1323 | return dane_tlsa_add(&sc->dane, usage, selector, mtype, data, dlen); | |
919ba009 VD |
1324 | } |
1325 | ||
a230b26e EK |
1326 | int SSL_CTX_dane_mtype_set(SSL_CTX *ctx, const EVP_MD *md, uint8_t mtype, |
1327 | uint8_t ord) | |
919ba009 VD |
1328 | { |
1329 | return dane_mtype_set(&ctx->dane, md, mtype, ord); | |
1330 | } | |
1331 | ||
ccf11751 | 1332 | int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm) |
0f113f3e MC |
1333 | { |
1334 | return X509_VERIFY_PARAM_set1(ctx->param, vpm); | |
1335 | } | |
ccf11751 DSH |
1336 | |
1337 | int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm) | |
0f113f3e | 1338 | { |
38b051a1 TM |
1339 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
1340 | ||
1341 | if (sc == NULL) | |
1342 | return 0; | |
1343 | ||
1344 | return X509_VERIFY_PARAM_set1(sc->param, vpm); | |
0f113f3e | 1345 | } |
ccf11751 | 1346 | |
7af31968 | 1347 | X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx) |
0f113f3e MC |
1348 | { |
1349 | return ctx->param; | |
1350 | } | |
7af31968 DSH |
1351 | |
1352 | X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl) | |
0f113f3e | 1353 | { |
38b051a1 TM |
1354 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
1355 | ||
1356 | if (sc == NULL) | |
1357 | return NULL; | |
1358 | ||
1359 | return sc->param; | |
0f113f3e | 1360 | } |
7af31968 | 1361 | |
a5ee80b9 | 1362 | void SSL_certs_clear(SSL *s) |
0f113f3e | 1363 | { |
38b051a1 TM |
1364 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1365 | ||
1366 | if (sc == NULL) | |
1367 | return; | |
1368 | ||
1369 | ssl_cert_clear_certs(sc->cert); | |
0f113f3e | 1370 | } |
a5ee80b9 | 1371 | |
4f43d0e7 | 1372 | void SSL_free(SSL *s) |
0f113f3e MC |
1373 | { |
1374 | int i; | |
58964a49 | 1375 | |
e6e9170d RS |
1376 | if (s == NULL) |
1377 | return; | |
43a07d6d | 1378 | CRYPTO_DOWN_REF(&s->references, &i); |
f3f1cf84 | 1379 | REF_PRINT_COUNT("SSL", s); |
0f113f3e MC |
1380 | if (i > 0) |
1381 | return; | |
f3f1cf84 | 1382 | REF_ASSERT_ISNT(i < 0); |
d02b48c6 | 1383 | |
38b051a1 TM |
1384 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data); |
1385 | ||
1386 | if (s->method != NULL) | |
1387 | s->method->ssl_free(s); | |
1388 | ||
1389 | SSL_CTX_free(s->ctx); | |
1390 | CRYPTO_THREAD_lock_free(s->lock); | |
43a07d6d | 1391 | CRYPTO_FREE_REF(&s->references); |
38b051a1 TM |
1392 | |
1393 | OPENSSL_free(s); | |
1394 | } | |
1395 | ||
1396 | void ossl_ssl_connection_free(SSL *ssl) | |
1397 | { | |
1398 | SSL_CONNECTION *s; | |
1399 | ||
1400 | s = SSL_CONNECTION_FROM_SSL_ONLY(ssl); | |
1401 | if (s == NULL) | |
1402 | return; | |
1403 | ||
222561fe | 1404 | X509_VERIFY_PARAM_free(s->param); |
919ba009 | 1405 | dane_final(&s->dane); |
0f113f3e | 1406 | |
b77f3ed1 | 1407 | /* Ignore return value */ |
2e7dc7cd MC |
1408 | ssl_free_wbio_buffer(s); |
1409 | ||
4a0e4849 | 1410 | /* Ignore return value */ |
9ff51954 MC |
1411 | RECORD_LAYER_clear(&s->rlayer); |
1412 | ||
25aaa98a | 1413 | BUF_MEM_free(s->init_buf); |
0f113f3e MC |
1414 | |
1415 | /* add extra stuff */ | |
25aaa98a RS |
1416 | sk_SSL_CIPHER_free(s->cipher_list); |
1417 | sk_SSL_CIPHER_free(s->cipher_list_by_id); | |
f865b081 | 1418 | sk_SSL_CIPHER_free(s->tls13_ciphersuites); |
eee2a6a7 | 1419 | sk_SSL_CIPHER_free(s->peer_ciphers); |
0f113f3e MC |
1420 | |
1421 | /* Make the next call work :-) */ | |
1422 | if (s->session != NULL) { | |
1423 | ssl_clear_bad_session(s); | |
1424 | SSL_SESSION_free(s->session); | |
1425 | } | |
9368f865 | 1426 | SSL_SESSION_free(s->psksession); |
add8d0e9 | 1427 | OPENSSL_free(s->psksession_id); |
0f113f3e | 1428 | |
e0e920b1 | 1429 | ssl_cert_free(s->cert); |
29948ac8 | 1430 | OPENSSL_free(s->shared_sigalgs); |
0f113f3e | 1431 | /* Free up if allocated */ |
d02b48c6 | 1432 | |
aff8c126 | 1433 | OPENSSL_free(s->ext.hostname); |
222da979 | 1434 | SSL_CTX_free(s->session_ctx); |
aff8c126 | 1435 | OPENSSL_free(s->ext.ecpointformats); |
cd0fb43c | 1436 | OPENSSL_free(s->ext.peer_ecpointformats); |
aff8c126 | 1437 | OPENSSL_free(s->ext.supportedgroups); |
45436e61 | 1438 | OPENSSL_free(s->ext.peer_supportedgroups); |
aff8c126 | 1439 | sk_X509_EXTENSION_pop_free(s->ext.ocsp.exts, X509_EXTENSION_free); |
3e41ac35 | 1440 | #ifndef OPENSSL_NO_OCSP |
aff8c126 | 1441 | sk_OCSP_RESPID_pop_free(s->ext.ocsp.ids, OCSP_RESPID_free); |
3e41ac35 | 1442 | #endif |
ed29e82a RP |
1443 | #ifndef OPENSSL_NO_CT |
1444 | SCT_LIST_free(s->scts); | |
aff8c126 | 1445 | OPENSSL_free(s->ext.scts); |
ed29e82a | 1446 | #endif |
aff8c126 RS |
1447 | OPENSSL_free(s->ext.ocsp.resp); |
1448 | OPENSSL_free(s->ext.alpn); | |
cfef5027 | 1449 | OPENSSL_free(s->ext.tls13_cookie); |
94941cad MK |
1450 | if (s->clienthello != NULL) |
1451 | OPENSSL_free(s->clienthello->pre_proc_exts); | |
6b1bb98f | 1452 | OPENSSL_free(s->clienthello); |
9d75dce3 TS |
1453 | OPENSSL_free(s->pha_context); |
1454 | EVP_MD_CTX_free(s->pha_dgst); | |
0f113f3e | 1455 | |
fa7c2637 | 1456 | sk_X509_NAME_pop_free(s->ca_names, X509_NAME_free); |
98732979 | 1457 | sk_X509_NAME_pop_free(s->client_ca_names, X509_NAME_free); |
0f113f3e | 1458 | |
3c95ef22 TS |
1459 | OPENSSL_free(s->client_cert_type); |
1460 | OPENSSL_free(s->server_cert_type); | |
1461 | ||
79b2a2f2 | 1462 | OSSL_STACK_OF_X509_free(s->verified_chain); |
696178ed | 1463 | |
38b051a1 TM |
1464 | if (ssl->method != NULL) |
1465 | ssl->method->ssl_deinit(ssl); | |
7c3908dd | 1466 | |
ff75a257 MC |
1467 | ASYNC_WAIT_CTX_free(s->waitctx); |
1468 | ||
e481f9b9 | 1469 | #if !defined(OPENSSL_NO_NEXTPROTONEG) |
aff8c126 | 1470 | OPENSSL_free(s->ext.npn); |
ee2ffc27 BL |
1471 | #endif |
1472 | ||
e783bae2 | 1473 | #ifndef OPENSSL_NO_SRTP |
25aaa98a | 1474 | sk_SRTP_PROTECTION_PROFILE_free(s->srtp_profiles); |
0f113f3e | 1475 | #endif |
cd6e89b6 MC |
1476 | |
1477 | /* | |
1478 | * We do this late. We want to ensure that any other references we held to | |
1479 | * these BIOs are freed first *before* we call BIO_free_all(), because | |
1480 | * BIO_free_all() will only free each BIO in the chain if the number of | |
1481 | * references to the first BIO have dropped to 0 | |
1482 | */ | |
1483 | BIO_free_all(s->wbio); | |
1484 | s->wbio = NULL; | |
1485 | BIO_free_all(s->rbio); | |
1486 | s->rbio = NULL; | |
ee58915c | 1487 | OPENSSL_free(s->s3.tmp.valid_flags); |
0f113f3e MC |
1488 | } |
1489 | ||
65e2d672 | 1490 | void SSL_set0_rbio(SSL *s, BIO *rbio) |
3ffbe008 | 1491 | { |
38b051a1 | 1492 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
03bacce8 | 1493 | |
6d495cc4 HL |
1494 | #ifndef OPENSSL_NO_QUIC |
1495 | if (IS_QUIC(s)) { | |
1496 | ossl_quic_conn_set0_net_rbio(s, rbio); | |
03bacce8 HL |
1497 | return; |
1498 | } | |
1499 | #endif | |
38b051a1 TM |
1500 | |
1501 | if (sc == NULL) | |
1502 | return; | |
1503 | ||
1504 | BIO_free_all(sc->rbio); | |
1505 | sc->rbio = rbio; | |
cffafb5f | 1506 | sc->rlayer.rrlmethod->set1_bio(sc->rlayer.rrl, sc->rbio); |
3ffbe008 MC |
1507 | } |
1508 | ||
65e2d672 | 1509 | void SSL_set0_wbio(SSL *s, BIO *wbio) |
0f113f3e | 1510 | { |
38b051a1 | 1511 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
03bacce8 | 1512 | |
6d495cc4 HL |
1513 | #ifndef OPENSSL_NO_QUIC |
1514 | if (IS_QUIC(s)) { | |
1515 | ossl_quic_conn_set0_net_wbio(s, wbio); | |
03bacce8 HL |
1516 | return; |
1517 | } | |
1518 | #endif | |
38b051a1 TM |
1519 | |
1520 | if (sc == NULL) | |
1521 | return; | |
1522 | ||
0f113f3e MC |
1523 | /* |
1524 | * If the output buffering BIO is still in place, remove it | |
1525 | */ | |
38b051a1 TM |
1526 | if (sc->bbio != NULL) |
1527 | sc->wbio = BIO_pop(sc->wbio); | |
2e7dc7cd | 1528 | |
38b051a1 TM |
1529 | BIO_free_all(sc->wbio); |
1530 | sc->wbio = wbio; | |
2e7dc7cd MC |
1531 | |
1532 | /* Re-attach |bbio| to the new |wbio|. */ | |
38b051a1 TM |
1533 | if (sc->bbio != NULL) |
1534 | sc->wbio = BIO_push(sc->bbio, sc->wbio); | |
b5cf81f7 MC |
1535 | |
1536 | sc->rlayer.wrlmethod->set1_bio(sc->rlayer.wrl, sc->wbio); | |
0f113f3e | 1537 | } |
d02b48c6 | 1538 | |
3ffbe008 MC |
1539 | void SSL_set_bio(SSL *s, BIO *rbio, BIO *wbio) |
1540 | { | |
65e2d672 MC |
1541 | /* |
1542 | * For historical reasons, this function has many different cases in | |
1543 | * ownership handling. | |
1544 | */ | |
1545 | ||
1546 | /* If nothing has changed, do nothing */ | |
1547 | if (rbio == SSL_get_rbio(s) && wbio == SSL_get_wbio(s)) | |
1548 | return; | |
1549 | ||
1550 | /* | |
1551 | * If the two arguments are equal then one fewer reference is granted by the | |
1552 | * caller than we want to take | |
1553 | */ | |
1554 | if (rbio != NULL && rbio == wbio) | |
1555 | BIO_up_ref(rbio); | |
1556 | ||
1557 | /* | |
1558 | * If only the wbio is changed only adopt one reference. | |
1559 | */ | |
1560 | if (rbio == SSL_get_rbio(s)) { | |
1561 | SSL_set0_wbio(s, wbio); | |
1562 | return; | |
1563 | } | |
1564 | /* | |
1565 | * There is an asymmetry here for historical reasons. If only the rbio is | |
1566 | * changed AND the rbio and wbio were originally different, then we only | |
1567 | * adopt one reference. | |
1568 | */ | |
1569 | if (wbio == SSL_get_wbio(s) && SSL_get_rbio(s) != SSL_get_wbio(s)) { | |
1570 | SSL_set0_rbio(s, rbio); | |
1571 | return; | |
1572 | } | |
1573 | ||
1574 | /* Otherwise, adopt both references. */ | |
1575 | SSL_set0_rbio(s, rbio); | |
1576 | SSL_set0_wbio(s, wbio); | |
3ffbe008 MC |
1577 | } |
1578 | ||
0821bcd4 | 1579 | BIO *SSL_get_rbio(const SSL *s) |
0f113f3e | 1580 | { |
38b051a1 | 1581 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
03bacce8 | 1582 | |
6d495cc4 HL |
1583 | #ifndef OPENSSL_NO_QUIC |
1584 | if (IS_QUIC(s)) | |
1585 | return ossl_quic_conn_get_net_rbio(s); | |
03bacce8 | 1586 | #endif |
38b051a1 TM |
1587 | |
1588 | if (sc == NULL) | |
1589 | return NULL; | |
1590 | ||
1591 | return sc->rbio; | |
0f113f3e | 1592 | } |
d02b48c6 | 1593 | |
0821bcd4 | 1594 | BIO *SSL_get_wbio(const SSL *s) |
0f113f3e | 1595 | { |
38b051a1 | 1596 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
03bacce8 | 1597 | |
6d495cc4 HL |
1598 | #ifndef OPENSSL_NO_QUIC |
1599 | if (IS_QUIC(s)) | |
1600 | return ossl_quic_conn_get_net_wbio(s); | |
03bacce8 | 1601 | #endif |
38b051a1 TM |
1602 | |
1603 | if (sc == NULL) | |
1604 | return NULL; | |
1605 | ||
1606 | if (sc->bbio != NULL) { | |
2e7dc7cd MC |
1607 | /* |
1608 | * If |bbio| is active, the true caller-configured BIO is its | |
1609 | * |next_bio|. | |
1610 | */ | |
38b051a1 | 1611 | return BIO_next(sc->bbio); |
2e7dc7cd | 1612 | } |
38b051a1 | 1613 | return sc->wbio; |
0f113f3e | 1614 | } |
d02b48c6 | 1615 | |
0821bcd4 | 1616 | int SSL_get_fd(const SSL *s) |
0f113f3e | 1617 | { |
2e7dc7cd | 1618 | return SSL_get_rfd(s); |
0f113f3e | 1619 | } |
24cbf3ef | 1620 | |
0821bcd4 | 1621 | int SSL_get_rfd(const SSL *s) |
0f113f3e MC |
1622 | { |
1623 | int ret = -1; | |
1624 | BIO *b, *r; | |
1625 | ||
1626 | b = SSL_get_rbio(s); | |
1627 | r = BIO_find_type(b, BIO_TYPE_DESCRIPTOR); | |
1628 | if (r != NULL) | |
1629 | BIO_get_fd(r, &ret); | |
26a7d938 | 1630 | return ret; |
0f113f3e | 1631 | } |
d02b48c6 | 1632 | |
0821bcd4 | 1633 | int SSL_get_wfd(const SSL *s) |
0f113f3e MC |
1634 | { |
1635 | int ret = -1; | |
1636 | BIO *b, *r; | |
1637 | ||
1638 | b = SSL_get_wbio(s); | |
1639 | r = BIO_find_type(b, BIO_TYPE_DESCRIPTOR); | |
1640 | if (r != NULL) | |
1641 | BIO_get_fd(r, &ret); | |
26a7d938 | 1642 | return ret; |
0f113f3e | 1643 | } |
24cbf3ef | 1644 | |
bc36ee62 | 1645 | #ifndef OPENSSL_NO_SOCK |
d6e7ebba HL |
1646 | static const BIO_METHOD *fd_method(SSL *s) |
1647 | { | |
1648 | #ifndef OPENSSL_NO_DGRAM | |
1649 | if (IS_QUIC(s)) | |
1650 | return BIO_s_datagram(); | |
1651 | #endif | |
1652 | ||
1653 | return BIO_s_socket(); | |
1654 | } | |
1655 | ||
0f113f3e MC |
1656 | int SSL_set_fd(SSL *s, int fd) |
1657 | { | |
1658 | int ret = 0; | |
1659 | BIO *bio = NULL; | |
1660 | ||
d6e7ebba HL |
1661 | if (s->type == SSL_TYPE_QUIC_XSO) { |
1662 | ERR_raise(ERR_LIB_SSL, SSL_R_CONN_USE_ONLY); | |
1663 | goto err; | |
1664 | } | |
1665 | ||
1666 | bio = BIO_new(fd_method(s)); | |
0f113f3e MC |
1667 | |
1668 | if (bio == NULL) { | |
6849b73c | 1669 | ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB); |
0f113f3e MC |
1670 | goto err; |
1671 | } | |
1672 | BIO_set_fd(bio, fd, BIO_NOCLOSE); | |
1673 | SSL_set_bio(s, bio, bio); | |
50ec7505 BP |
1674 | #ifndef OPENSSL_NO_KTLS |
1675 | /* | |
1676 | * The new socket is created successfully regardless of ktls_enable. | |
1677 | * ktls_enable doesn't change any functionality of the socket, except | |
1678 | * changing the setsockopt to enable the processing of ktls_start. | |
1679 | * Thus, it is not a problem to call it for non-TLS sockets. | |
1680 | */ | |
1681 | ktls_enable(fd); | |
1682 | #endif /* OPENSSL_NO_KTLS */ | |
0f113f3e MC |
1683 | ret = 1; |
1684 | err: | |
26a7d938 | 1685 | return ret; |
0f113f3e | 1686 | } |
d02b48c6 | 1687 | |
0f113f3e MC |
1688 | int SSL_set_wfd(SSL *s, int fd) |
1689 | { | |
2e7dc7cd | 1690 | BIO *rbio = SSL_get_rbio(s); |
d6e7ebba HL |
1691 | int desired_type = IS_QUIC(s) ? BIO_TYPE_DGRAM : BIO_TYPE_SOCKET; |
1692 | ||
1693 | if (s->type == SSL_TYPE_QUIC_XSO) { | |
1694 | ERR_raise(ERR_LIB_SSL, SSL_R_CONN_USE_ONLY); | |
1695 | return 0; | |
1696 | } | |
0f113f3e | 1697 | |
5e6015af | 1698 | if (rbio == NULL || BIO_method_type(rbio) != desired_type |
2e7dc7cd | 1699 | || (int)BIO_get_fd(rbio, NULL) != fd) { |
d6e7ebba | 1700 | BIO *bio = BIO_new(fd_method(s)); |
0f113f3e MC |
1701 | |
1702 | if (bio == NULL) { | |
6849b73c | 1703 | ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB); |
2e7dc7cd | 1704 | return 0; |
0f113f3e MC |
1705 | } |
1706 | BIO_set_fd(bio, fd, BIO_NOCLOSE); | |
65e2d672 | 1707 | SSL_set0_wbio(s, bio); |
50ec7505 BP |
1708 | #ifndef OPENSSL_NO_KTLS |
1709 | /* | |
1710 | * The new socket is created successfully regardless of ktls_enable. | |
1711 | * ktls_enable doesn't change any functionality of the socket, except | |
1712 | * changing the setsockopt to enable the processing of ktls_start. | |
1713 | * Thus, it is not a problem to call it for non-TLS sockets. | |
1714 | */ | |
1715 | ktls_enable(fd); | |
1716 | #endif /* OPENSSL_NO_KTLS */ | |
2e7dc7cd | 1717 | } else { |
65e2d672 MC |
1718 | BIO_up_ref(rbio); |
1719 | SSL_set0_wbio(s, rbio); | |
2e7dc7cd MC |
1720 | } |
1721 | return 1; | |
0f113f3e MC |
1722 | } |
1723 | ||
1724 | int SSL_set_rfd(SSL *s, int fd) | |
1725 | { | |
2e7dc7cd | 1726 | BIO *wbio = SSL_get_wbio(s); |
d6e7ebba HL |
1727 | int desired_type = IS_QUIC(s) ? BIO_TYPE_DGRAM : BIO_TYPE_SOCKET; |
1728 | ||
1729 | if (s->type == SSL_TYPE_QUIC_XSO) { | |
1730 | ERR_raise(ERR_LIB_SSL, SSL_R_CONN_USE_ONLY); | |
1731 | return 0; | |
1732 | } | |
0f113f3e | 1733 | |
5e6015af | 1734 | if (wbio == NULL || BIO_method_type(wbio) != desired_type |
2e7dc7cd | 1735 | || ((int)BIO_get_fd(wbio, NULL) != fd)) { |
d6e7ebba | 1736 | BIO *bio = BIO_new(fd_method(s)); |
0f113f3e MC |
1737 | |
1738 | if (bio == NULL) { | |
6849b73c | 1739 | ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB); |
2e7dc7cd | 1740 | return 0; |
0f113f3e MC |
1741 | } |
1742 | BIO_set_fd(bio, fd, BIO_NOCLOSE); | |
65e2d672 | 1743 | SSL_set0_rbio(s, bio); |
2e7dc7cd | 1744 | } else { |
65e2d672 MC |
1745 | BIO_up_ref(wbio); |
1746 | SSL_set0_rbio(s, wbio); | |
2e7dc7cd MC |
1747 | } |
1748 | ||
1749 | return 1; | |
0f113f3e MC |
1750 | } |
1751 | #endif | |
ca03109c BM |
1752 | |
1753 | /* return length of latest Finished message we sent, copy to 'buf' */ | |
0821bcd4 | 1754 | size_t SSL_get_finished(const SSL *s, void *buf, size_t count) |
0f113f3e MC |
1755 | { |
1756 | size_t ret = 0; | |
38b051a1 TM |
1757 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
1758 | ||
1759 | if (sc == NULL) | |
1760 | return 0; | |
0f113f3e | 1761 | |
38b051a1 | 1762 | ret = sc->s3.tmp.finish_md_len; |
555cbb32 TS |
1763 | if (count > ret) |
1764 | count = ret; | |
38b051a1 | 1765 | memcpy(buf, sc->s3.tmp.finish_md, count); |
0f113f3e MC |
1766 | return ret; |
1767 | } | |
ca03109c BM |
1768 | |
1769 | /* return length of latest Finished message we expected, copy to 'buf' */ | |
0821bcd4 | 1770 | size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count) |
0f113f3e MC |
1771 | { |
1772 | size_t ret = 0; | |
38b051a1 | 1773 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
ca03109c | 1774 | |
38b051a1 TM |
1775 | if (sc == NULL) |
1776 | return 0; | |
1777 | ||
1778 | ret = sc->s3.tmp.peer_finish_md_len; | |
555cbb32 TS |
1779 | if (count > ret) |
1780 | count = ret; | |
38b051a1 | 1781 | memcpy(buf, sc->s3.tmp.peer_finish_md, count); |
0f113f3e MC |
1782 | return ret; |
1783 | } | |
ca03109c | 1784 | |
0821bcd4 | 1785 | int SSL_get_verify_mode(const SSL *s) |
0f113f3e | 1786 | { |
38b051a1 TM |
1787 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
1788 | ||
1789 | if (sc == NULL) | |
1790 | return 0; | |
1791 | ||
1792 | return sc->verify_mode; | |
0f113f3e | 1793 | } |
d02b48c6 | 1794 | |
0821bcd4 | 1795 | int SSL_get_verify_depth(const SSL *s) |
0f113f3e | 1796 | { |
38b051a1 TM |
1797 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
1798 | ||
1799 | if (sc == NULL) | |
1800 | return 0; | |
1801 | ||
1802 | return X509_VERIFY_PARAM_get_depth(sc->param); | |
0f113f3e | 1803 | } |
7f89714e | 1804 | |
0f113f3e | 1805 | int (*SSL_get_verify_callback(const SSL *s)) (int, X509_STORE_CTX *) { |
38b051a1 TM |
1806 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
1807 | ||
1808 | if (sc == NULL) | |
1809 | return NULL; | |
1810 | ||
1811 | return sc->verify_callback; | |
0f113f3e | 1812 | } |
d02b48c6 | 1813 | |
0821bcd4 | 1814 | int SSL_CTX_get_verify_mode(const SSL_CTX *ctx) |
0f113f3e | 1815 | { |
26a7d938 | 1816 | return ctx->verify_mode; |
0f113f3e | 1817 | } |
d02b48c6 | 1818 | |
0821bcd4 | 1819 | int SSL_CTX_get_verify_depth(const SSL_CTX *ctx) |
0f113f3e MC |
1820 | { |
1821 | return X509_VERIFY_PARAM_get_depth(ctx->param); | |
1822 | } | |
1823 | ||
1824 | int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx)) (int, X509_STORE_CTX *) { | |
26a7d938 | 1825 | return ctx->default_verify_callback; |
0f113f3e MC |
1826 | } |
1827 | ||
1828 | void SSL_set_verify(SSL *s, int mode, | |
1829 | int (*callback) (int ok, X509_STORE_CTX *ctx)) | |
1830 | { | |
38b051a1 TM |
1831 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1832 | ||
1833 | if (sc == NULL) | |
1834 | return; | |
1835 | ||
1836 | sc->verify_mode = mode; | |
0f113f3e | 1837 | if (callback != NULL) |
38b051a1 | 1838 | sc->verify_callback = callback; |
0f113f3e MC |
1839 | } |
1840 | ||
1841 | void SSL_set_verify_depth(SSL *s, int depth) | |
1842 | { | |
38b051a1 TM |
1843 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1844 | ||
1845 | if (sc == NULL) | |
1846 | return; | |
1847 | ||
1848 | X509_VERIFY_PARAM_set_depth(sc->param, depth); | |
0f113f3e MC |
1849 | } |
1850 | ||
1851 | void SSL_set_read_ahead(SSL *s, int yes) | |
1852 | { | |
9562842b | 1853 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
4566dae7 | 1854 | OSSL_PARAM options[2], *opts = options; |
38b051a1 | 1855 | |
9562842b | 1856 | if (sc == NULL) |
38b051a1 TM |
1857 | return; |
1858 | ||
1859 | RECORD_LAYER_set_read_ahead(&sc->rlayer, yes); | |
4566dae7 MC |
1860 | |
1861 | *opts++ = OSSL_PARAM_construct_int(OSSL_LIBSSL_RECORD_LAYER_PARAM_READ_AHEAD, | |
1862 | &sc->rlayer.read_ahead); | |
1863 | *opts = OSSL_PARAM_construct_end(); | |
1864 | ||
1865 | /* Ignore return value */ | |
1866 | sc->rlayer.rrlmethod->set_options(sc->rlayer.rrl, options); | |
0f113f3e | 1867 | } |
d02b48c6 | 1868 | |
0821bcd4 | 1869 | int SSL_get_read_ahead(const SSL *s) |
0f113f3e | 1870 | { |
9562842b | 1871 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(s); |
38b051a1 | 1872 | |
9562842b | 1873 | if (sc == NULL) |
38b051a1 TM |
1874 | return 0; |
1875 | ||
1876 | return RECORD_LAYER_get_read_ahead(&sc->rlayer); | |
0f113f3e | 1877 | } |
d02b48c6 | 1878 | |
0821bcd4 | 1879 | int SSL_pending(const SSL *s) |
0f113f3e | 1880 | { |
8b0e934a MC |
1881 | size_t pending = s->method->ssl_pending(s); |
1882 | ||
0f113f3e MC |
1883 | /* |
1884 | * SSL_pending cannot work properly if read-ahead is enabled | |
1885 | * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)), and it is | |
1886 | * impossible to fix since SSL_pending cannot report errors that may be | |
1887 | * observed while scanning the new data. (Note that SSL_pending() is | |
1888 | * often used as a boolean value, so we'd better not return -1.) | |
8b0e934a MC |
1889 | * |
1890 | * SSL_pending also cannot work properly if the value >INT_MAX. In that case | |
1891 | * we just return INT_MAX. | |
0f113f3e | 1892 | */ |
348240c6 | 1893 | return pending < INT_MAX ? (int)pending : INT_MAX; |
0f113f3e | 1894 | } |
d02b48c6 | 1895 | |
49580f25 MC |
1896 | int SSL_has_pending(const SSL *s) |
1897 | { | |
1898 | /* | |
1899 | * Similar to SSL_pending() but returns a 1 to indicate that we have | |
6d6b295a MC |
1900 | * processed or unprocessed data available or 0 otherwise (as opposed to the |
1901 | * number of bytes available). Unlike SSL_pending() this will take into | |
1902 | * account read_ahead data. A 1 return simply indicates that we have data. | |
1903 | * That data may not result in any application data, or we may fail to parse | |
1904 | * the records for some reason. | |
49580f25 | 1905 | */ |
560470b5 | 1906 | const SSL_CONNECTION *sc; |
560470b5 | 1907 | |
22b1a96f HL |
1908 | #ifndef OPENSSL_NO_QUIC |
1909 | if (IS_QUIC(s)) | |
6d495cc4 | 1910 | return ossl_quic_has_pending(s); |
560470b5 MC |
1911 | #endif |
1912 | ||
560470b5 | 1913 | sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
38b051a1 | 1914 | |
6d6b295a MC |
1915 | /* Check buffered app data if any first */ |
1916 | if (SSL_CONNECTION_IS_DTLS(sc)) { | |
eddb067e | 1917 | TLS_RECORD *rdata; |
6d6b295a MC |
1918 | pitem *item, *iter; |
1919 | ||
715a74a6 | 1920 | iter = pqueue_iterator(sc->rlayer.d->buffered_app_data); |
6d6b295a MC |
1921 | while ((item = pqueue_next(&iter)) != NULL) { |
1922 | rdata = item->data; | |
eddb067e | 1923 | if (rdata->length > 0) |
6d6b295a MC |
1924 | return 1; |
1925 | } | |
1926 | } | |
38b051a1 TM |
1927 | |
1928 | if (RECORD_LAYER_processed_read_pending(&sc->rlayer)) | |
49580f25 MC |
1929 | return 1; |
1930 | ||
38b051a1 | 1931 | return RECORD_LAYER_read_pending(&sc->rlayer); |
49580f25 MC |
1932 | } |
1933 | ||
8c2bfd25 | 1934 | X509 *SSL_get1_peer_certificate(const SSL *s) |
0f113f3e | 1935 | { |
8c2bfd25 | 1936 | X509 *r = SSL_get0_peer_certificate(s); |
d02b48c6 | 1937 | |
8c2bfd25 TS |
1938 | if (r != NULL) |
1939 | X509_up_ref(r); | |
0f113f3e | 1940 | |
26a7d938 | 1941 | return r; |
0f113f3e | 1942 | } |
d02b48c6 | 1943 | |
8c2bfd25 TS |
1944 | X509 *SSL_get0_peer_certificate(const SSL *s) |
1945 | { | |
38b051a1 TM |
1946 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
1947 | ||
1948 | if (sc == NULL) | |
1949 | return NULL; | |
1950 | ||
1951 | if (sc->session == NULL) | |
8c2bfd25 TS |
1952 | return NULL; |
1953 | else | |
38b051a1 | 1954 | return sc->session->peer; |
8c2bfd25 TS |
1955 | } |
1956 | ||
0821bcd4 | 1957 | STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s) |
0f113f3e MC |
1958 | { |
1959 | STACK_OF(X509) *r; | |
38b051a1 | 1960 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
0f113f3e | 1961 | |
38b051a1 TM |
1962 | if (sc == NULL) |
1963 | return NULL; | |
1964 | ||
1965 | if (sc->session == NULL) | |
0f113f3e MC |
1966 | r = NULL; |
1967 | else | |
38b051a1 | 1968 | r = sc->session->peer_chain; |
0f113f3e MC |
1969 | |
1970 | /* | |
1971 | * If we are a client, cert_chain includes the peer's own certificate; if | |
1972 | * we are a server, it does not. | |
1973 | */ | |
1974 | ||
26a7d938 | 1975 | return r; |
0f113f3e MC |
1976 | } |
1977 | ||
1978 | /* | |
1979 | * Now in theory, since the calling process own 't' it should be safe to | |
1980 | * modify. We need to be able to read f without being hassled | |
1981 | */ | |
17dd65e6 | 1982 | int SSL_copy_session_id(SSL *t, const SSL *f) |
0f113f3e | 1983 | { |
16203f7b | 1984 | int i; |
44cb36d0 | 1985 | /* TODO(QUIC FUTURE): Not allowed for QUIC currently. */ |
38b051a1 TM |
1986 | SSL_CONNECTION *tsc = SSL_CONNECTION_FROM_SSL_ONLY(t); |
1987 | const SSL_CONNECTION *fsc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(f); | |
1988 | ||
1989 | if (tsc == NULL || fsc == NULL) | |
1990 | return 0; | |
1991 | ||
3e6a0d57 | 1992 | /* Do we need to do SSL locking? */ |
61986d32 | 1993 | if (!SSL_set_session(t, SSL_get_session(f))) { |
17dd65e6 | 1994 | return 0; |
69f68237 | 1995 | } |
0f113f3e MC |
1996 | |
1997 | /* | |
87d9cafa | 1998 | * what if we are setup for one protocol version but want to talk another |
0f113f3e MC |
1999 | */ |
2000 | if (t->method != f->method) { | |
38b051a1 | 2001 | t->method->ssl_deinit(t); |
919ba009 | 2002 | t->method = f->method; |
38b051a1 | 2003 | if (t->method->ssl_init(t) == 0) |
919ba009 | 2004 | return 0; |
0f113f3e MC |
2005 | } |
2006 | ||
43a07d6d | 2007 | CRYPTO_UP_REF(&fsc->cert->references, &i); |
38b051a1 TM |
2008 | ssl_cert_free(tsc->cert); |
2009 | tsc->cert = fsc->cert; | |
2010 | if (!SSL_set_session_id_context(t, fsc->sid_ctx, (int)fsc->sid_ctx_length)) { | |
17dd65e6 | 2011 | return 0; |
69f68237 | 2012 | } |
17dd65e6 MC |
2013 | |
2014 | return 1; | |
0f113f3e | 2015 | } |
d02b48c6 | 2016 | |
58964a49 | 2017 | /* Fix this so it checks all the valid key/cert options */ |
0821bcd4 | 2018 | int SSL_CTX_check_private_key(const SSL_CTX *ctx) |
0f113f3e | 2019 | { |
a230b26e | 2020 | if ((ctx == NULL) || (ctx->cert->key->x509 == NULL)) { |
6849b73c | 2021 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_CERTIFICATE_ASSIGNED); |
26a7d938 | 2022 | return 0; |
0f113f3e MC |
2023 | } |
2024 | if (ctx->cert->key->privatekey == NULL) { | |
6849b73c | 2025 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_PRIVATE_KEY_ASSIGNED); |
26a7d938 | 2026 | return 0; |
0f113f3e | 2027 | } |
26a7d938 K |
2028 | return X509_check_private_key |
2029 | (ctx->cert->key->x509, ctx->cert->key->privatekey); | |
0f113f3e | 2030 | } |
d02b48c6 | 2031 | |
58964a49 | 2032 | /* Fix this function so that it takes an optional type parameter */ |
0821bcd4 | 2033 | int SSL_check_private_key(const SSL *ssl) |
0f113f3e | 2034 | { |
38b051a1 TM |
2035 | const SSL_CONNECTION *sc; |
2036 | ||
2037 | if ((sc = SSL_CONNECTION_FROM_CONST_SSL(ssl)) == NULL) { | |
6849b73c | 2038 | ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER); |
26a7d938 | 2039 | return 0; |
0f113f3e | 2040 | } |
38b051a1 | 2041 | if (sc->cert->key->x509 == NULL) { |
6849b73c | 2042 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_CERTIFICATE_ASSIGNED); |
26a7d938 | 2043 | return 0; |
0f113f3e | 2044 | } |
38b051a1 | 2045 | if (sc->cert->key->privatekey == NULL) { |
6849b73c | 2046 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_PRIVATE_KEY_ASSIGNED); |
26a7d938 | 2047 | return 0; |
0f113f3e | 2048 | } |
38b051a1 TM |
2049 | return X509_check_private_key(sc->cert->key->x509, |
2050 | sc->cert->key->privatekey); | |
0f113f3e | 2051 | } |
d02b48c6 | 2052 | |
07bbc92c MC |
2053 | int SSL_waiting_for_async(SSL *s) |
2054 | { | |
38b051a1 TM |
2055 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
2056 | ||
2057 | if (sc == NULL) | |
2058 | return 0; | |
2059 | ||
2060 | if (sc->job) | |
82676094 MC |
2061 | return 1; |
2062 | ||
07bbc92c MC |
2063 | return 0; |
2064 | } | |
2065 | ||
ff75a257 | 2066 | int SSL_get_all_async_fds(SSL *s, OSSL_ASYNC_FD *fds, size_t *numfds) |
f4da39d2 | 2067 | { |
38b051a1 TM |
2068 | ASYNC_WAIT_CTX *ctx; |
2069 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
ff75a257 | 2070 | |
38b051a1 TM |
2071 | if (sc == NULL) |
2072 | return 0; | |
2073 | ||
2074 | if ((ctx = sc->waitctx) == NULL) | |
ff75a257 MC |
2075 | return 0; |
2076 | return ASYNC_WAIT_CTX_get_all_fds(ctx, fds, numfds); | |
2077 | } | |
f4da39d2 | 2078 | |
ff75a257 MC |
2079 | int SSL_get_changed_async_fds(SSL *s, OSSL_ASYNC_FD *addfd, size_t *numaddfds, |
2080 | OSSL_ASYNC_FD *delfd, size_t *numdelfds) | |
2081 | { | |
38b051a1 TM |
2082 | ASYNC_WAIT_CTX *ctx; |
2083 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
ff75a257 | 2084 | |
38b051a1 TM |
2085 | if (sc == NULL) |
2086 | return 0; | |
2087 | ||
2088 | if ((ctx = sc->waitctx) == NULL) | |
ff75a257 MC |
2089 | return 0; |
2090 | return ASYNC_WAIT_CTX_get_changed_fds(ctx, addfd, numaddfds, delfd, | |
2091 | numdelfds); | |
f4da39d2 MC |
2092 | } |
2093 | ||
9f5a87fd PY |
2094 | int SSL_CTX_set_async_callback(SSL_CTX *ctx, SSL_async_callback_fn callback) |
2095 | { | |
2096 | ctx->async_cb = callback; | |
2097 | return 1; | |
2098 | } | |
2099 | ||
2100 | int SSL_CTX_set_async_callback_arg(SSL_CTX *ctx, void *arg) | |
2101 | { | |
2102 | ctx->async_cb_arg = arg; | |
2103 | return 1; | |
2104 | } | |
2105 | ||
2106 | int SSL_set_async_callback(SSL *s, SSL_async_callback_fn callback) | |
2107 | { | |
38b051a1 TM |
2108 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
2109 | ||
2110 | if (sc == NULL) | |
2111 | return 0; | |
2112 | ||
2113 | sc->async_cb = callback; | |
9f5a87fd PY |
2114 | return 1; |
2115 | } | |
2116 | ||
2117 | int SSL_set_async_callback_arg(SSL *s, void *arg) | |
2118 | { | |
38b051a1 TM |
2119 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
2120 | ||
2121 | if (sc == NULL) | |
2122 | return 0; | |
2123 | ||
2124 | sc->async_cb_arg = arg; | |
9f5a87fd PY |
2125 | return 1; |
2126 | } | |
2127 | ||
2128 | int SSL_get_async_status(SSL *s, int *status) | |
2129 | { | |
38b051a1 TM |
2130 | ASYNC_WAIT_CTX *ctx; |
2131 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
9f5a87fd | 2132 | |
38b051a1 TM |
2133 | if (sc == NULL) |
2134 | return 0; | |
2135 | ||
2136 | if ((ctx = sc->waitctx) == NULL) | |
9f5a87fd PY |
2137 | return 0; |
2138 | *status = ASYNC_WAIT_CTX_get_status(ctx); | |
2139 | return 1; | |
2140 | } | |
2141 | ||
4f43d0e7 | 2142 | int SSL_accept(SSL *s) |
0f113f3e | 2143 | { |
38b051a1 | 2144 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
03bacce8 | 2145 | |
6d495cc4 HL |
2146 | #ifndef OPENSSL_NO_QUIC |
2147 | if (IS_QUIC(s)) | |
03bacce8 | 2148 | return s->method->ssl_accept(s); |
6292519c | 2149 | #endif |
38b051a1 TM |
2150 | |
2151 | if (sc == NULL) | |
2152 | return 0; | |
2153 | ||
2154 | if (sc->handshake_func == NULL) { | |
0f113f3e MC |
2155 | /* Not properly initialized yet */ |
2156 | SSL_set_accept_state(s); | |
07bbc92c | 2157 | } |
add2f5ca MC |
2158 | |
2159 | return SSL_do_handshake(s); | |
0f113f3e | 2160 | } |
d02b48c6 | 2161 | |
4f43d0e7 | 2162 | int SSL_connect(SSL *s) |
0f113f3e | 2163 | { |
38b051a1 | 2164 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
03bacce8 | 2165 | |
6d495cc4 HL |
2166 | #ifndef OPENSSL_NO_QUIC |
2167 | if (IS_QUIC(s)) | |
03bacce8 | 2168 | return s->method->ssl_connect(s); |
6292519c | 2169 | #endif |
38b051a1 TM |
2170 | |
2171 | if (sc == NULL) | |
2172 | return 0; | |
2173 | ||
2174 | if (sc->handshake_func == NULL) { | |
0f113f3e MC |
2175 | /* Not properly initialized yet */ |
2176 | SSL_set_connect_state(s); | |
add2f5ca | 2177 | } |
b31b04d9 | 2178 | |
add2f5ca | 2179 | return SSL_do_handshake(s); |
0f113f3e | 2180 | } |
d02b48c6 | 2181 | |
0821bcd4 | 2182 | long SSL_get_default_timeout(const SSL *s) |
0f113f3e | 2183 | { |
f0131dc0 | 2184 | return (long int)ossl_time2seconds(s->method->get_timeout()); |
0f113f3e MC |
2185 | } |
2186 | ||
9f5a87fd PY |
2187 | static int ssl_async_wait_ctx_cb(void *arg) |
2188 | { | |
2189 | SSL *s = (SSL *)arg; | |
38b051a1 | 2190 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
9f5a87fd | 2191 | |
38b051a1 TM |
2192 | if (sc == NULL) |
2193 | return 0; | |
2194 | ||
2195 | return sc->async_cb(s, sc->async_cb_arg); | |
9f5a87fd PY |
2196 | } |
2197 | ||
7fecbf6f | 2198 | static int ssl_start_async_job(SSL *s, struct ssl_async_args *args, |
a230b26e EK |
2199 | int (*func) (void *)) |
2200 | { | |
add2f5ca | 2201 | int ret; |
38b051a1 TM |
2202 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
2203 | ||
2204 | if (sc == NULL) | |
2205 | return 0; | |
2206 | ||
2207 | if (sc->waitctx == NULL) { | |
2208 | sc->waitctx = ASYNC_WAIT_CTX_new(); | |
2209 | if (sc->waitctx == NULL) | |
ff75a257 | 2210 | return -1; |
38b051a1 | 2211 | if (sc->async_cb != NULL |
9f5a87fd | 2212 | && !ASYNC_WAIT_CTX_set_callback |
38b051a1 | 2213 | (sc->waitctx, ssl_async_wait_ctx_cb, s)) |
9f5a87fd | 2214 | return -1; |
ff75a257 | 2215 | } |
07f620e3 | 2216 | |
38b051a1 TM |
2217 | sc->rwstate = SSL_NOTHING; |
2218 | switch (ASYNC_start_job(&sc->job, sc->waitctx, &ret, func, args, | |
a230b26e | 2219 | sizeof(struct ssl_async_args))) { |
add2f5ca | 2220 | case ASYNC_ERR: |
38b051a1 | 2221 | sc->rwstate = SSL_NOTHING; |
6849b73c | 2222 | ERR_raise(ERR_LIB_SSL, SSL_R_FAILED_TO_INIT_ASYNC); |
add2f5ca MC |
2223 | return -1; |
2224 | case ASYNC_PAUSE: | |
38b051a1 | 2225 | sc->rwstate = SSL_ASYNC_PAUSED; |
add2f5ca | 2226 | return -1; |
fc7f190c | 2227 | case ASYNC_NO_JOBS: |
38b051a1 | 2228 | sc->rwstate = SSL_ASYNC_NO_JOBS; |
fc7f190c | 2229 | return -1; |
add2f5ca | 2230 | case ASYNC_FINISH: |
38b051a1 | 2231 | sc->job = NULL; |
add2f5ca MC |
2232 | return ret; |
2233 | default: | |
38b051a1 | 2234 | sc->rwstate = SSL_NOTHING; |
6849b73c | 2235 | ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR); |
add2f5ca MC |
2236 | /* Shouldn't happen */ |
2237 | return -1; | |
2238 | } | |
2239 | } | |
07bbc92c | 2240 | |
add2f5ca | 2241 | static int ssl_io_intern(void *vargs) |
07bbc92c MC |
2242 | { |
2243 | struct ssl_async_args *args; | |
2244 | SSL *s; | |
2245 | void *buf; | |
348240c6 | 2246 | size_t num; |
38b051a1 | 2247 | SSL_CONNECTION *sc; |
07bbc92c MC |
2248 | |
2249 | args = (struct ssl_async_args *)vargs; | |
2250 | s = args->s; | |
2251 | buf = args->buf; | |
2252 | num = args->num; | |
38b051a1 TM |
2253 | if ((sc = SSL_CONNECTION_FROM_SSL(s)) == NULL) |
2254 | return -1; | |
2255 | ||
ec447924 MC |
2256 | switch (args->type) { |
2257 | case READFUNC: | |
38b051a1 | 2258 | return args->f.func_read(s, buf, num, &sc->asyncrw); |
ec447924 | 2259 | case WRITEFUNC: |
38b051a1 | 2260 | return args->f.func_write(s, buf, num, &sc->asyncrw); |
ec447924 MC |
2261 | case OTHERFUNC: |
2262 | return args->f.func_other(s); | |
2263 | } | |
2264 | return -1; | |
07bbc92c MC |
2265 | } |
2266 | ||
4ee7d3f9 | 2267 | int ssl_read_internal(SSL *s, void *buf, size_t num, size_t *readbytes) |
0f113f3e | 2268 | { |
38b051a1 | 2269 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
03bacce8 | 2270 | |
6d495cc4 HL |
2271 | #ifndef OPENSSL_NO_QUIC |
2272 | if (IS_QUIC(s)) | |
03bacce8 | 2273 | return s->method->ssl_read(s, buf, num, readbytes); |
6292519c | 2274 | #endif |
38b051a1 TM |
2275 | |
2276 | if (sc == NULL) | |
2277 | return -1; | |
2278 | ||
2279 | if (sc->handshake_func == NULL) { | |
6849b73c | 2280 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
0f113f3e MC |
2281 | return -1; |
2282 | } | |
2283 | ||
38b051a1 TM |
2284 | if (sc->shutdown & SSL_RECEIVED_SHUTDOWN) { |
2285 | sc->rwstate = SSL_NOTHING; | |
4ee7d3f9 | 2286 | return 0; |
0f113f3e | 2287 | } |
07bbc92c | 2288 | |
38b051a1 TM |
2289 | if (sc->early_data_state == SSL_EARLY_DATA_CONNECT_RETRY |
2290 | || sc->early_data_state == SSL_EARLY_DATA_ACCEPT_RETRY) { | |
6849b73c | 2291 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
0a5ece5b MC |
2292 | return 0; |
2293 | } | |
564547e4 MC |
2294 | /* |
2295 | * If we are a client and haven't received the ServerHello etc then we | |
2296 | * better do that | |
2297 | */ | |
38b051a1 | 2298 | ossl_statem_check_finish_init(sc, 0); |
0a5ece5b | 2299 | |
38b051a1 | 2300 | if ((sc->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
add2f5ca | 2301 | struct ssl_async_args args; |
eda75751 | 2302 | int ret; |
add2f5ca MC |
2303 | |
2304 | args.s = s; | |
2305 | args.buf = buf; | |
2306 | args.num = num; | |
ec447924 MC |
2307 | args.type = READFUNC; |
2308 | args.f.func_read = s->method->ssl_read; | |
add2f5ca | 2309 | |
eda75751 | 2310 | ret = ssl_start_async_job(s, &args, ssl_io_intern); |
38b051a1 | 2311 | *readbytes = sc->asyncrw; |
eda75751 | 2312 | return ret; |
07bbc92c | 2313 | } else { |
54105ddd | 2314 | return s->method->ssl_read(s, buf, num, readbytes); |
07bbc92c | 2315 | } |
0f113f3e MC |
2316 | } |
2317 | ||
4ee7d3f9 | 2318 | int SSL_read(SSL *s, void *buf, int num) |
eda75751 MC |
2319 | { |
2320 | int ret; | |
54105ddd | 2321 | size_t readbytes; |
eda75751 MC |
2322 | |
2323 | if (num < 0) { | |
6849b73c | 2324 | ERR_raise(ERR_LIB_SSL, SSL_R_BAD_LENGTH); |
eda75751 MC |
2325 | return -1; |
2326 | } | |
2327 | ||
4ee7d3f9 | 2328 | ret = ssl_read_internal(s, buf, (size_t)num, &readbytes); |
eda75751 MC |
2329 | |
2330 | /* | |
2331 | * The cast is safe here because ret should be <= INT_MAX because num is | |
2332 | * <= INT_MAX | |
2333 | */ | |
2334 | if (ret > 0) | |
54105ddd | 2335 | ret = (int)readbytes; |
eda75751 MC |
2336 | |
2337 | return ret; | |
2338 | } | |
2339 | ||
4ee7d3f9 KR |
2340 | int SSL_read_ex(SSL *s, void *buf, size_t num, size_t *readbytes) |
2341 | { | |
2342 | int ret = ssl_read_internal(s, buf, num, readbytes); | |
2343 | ||
2344 | if (ret < 0) | |
2345 | ret = 0; | |
2346 | return ret; | |
2347 | } | |
2348 | ||
f533fbd4 | 2349 | int SSL_read_early_data(SSL *s, void *buf, size_t num, size_t *readbytes) |
d781d247 MC |
2350 | { |
2351 | int ret; | |
38b051a1 TM |
2352 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
2353 | ||
d6e7ebba HL |
2354 | /* TODO(QUIC 0RTT): 0-RTT support */ |
2355 | if (sc == NULL || !sc->server) { | |
6849b73c | 2356 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
f533fbd4 | 2357 | return SSL_READ_EARLY_DATA_ERROR; |
d781d247 MC |
2358 | } |
2359 | ||
38b051a1 | 2360 | switch (sc->early_data_state) { |
d781d247 MC |
2361 | case SSL_EARLY_DATA_NONE: |
2362 | if (!SSL_in_before(s)) { | |
6849b73c | 2363 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
f533fbd4 | 2364 | return SSL_READ_EARLY_DATA_ERROR; |
d781d247 MC |
2365 | } |
2366 | /* fall through */ | |
2367 | ||
2368 | case SSL_EARLY_DATA_ACCEPT_RETRY: | |
38b051a1 | 2369 | sc->early_data_state = SSL_EARLY_DATA_ACCEPTING; |
d781d247 MC |
2370 | ret = SSL_accept(s); |
2371 | if (ret <= 0) { | |
2372 | /* NBIO or error */ | |
38b051a1 | 2373 | sc->early_data_state = SSL_EARLY_DATA_ACCEPT_RETRY; |
f533fbd4 | 2374 | return SSL_READ_EARLY_DATA_ERROR; |
d781d247 MC |
2375 | } |
2376 | /* fall through */ | |
2377 | ||
2378 | case SSL_EARLY_DATA_READ_RETRY: | |
38b051a1 TM |
2379 | if (sc->ext.early_data == SSL_EARLY_DATA_ACCEPTED) { |
2380 | sc->early_data_state = SSL_EARLY_DATA_READING; | |
d781d247 MC |
2381 | ret = SSL_read_ex(s, buf, num, readbytes); |
2382 | /* | |
ef6c191b MC |
2383 | * State machine will update early_data_state to |
2384 | * SSL_EARLY_DATA_FINISHED_READING if we get an EndOfEarlyData | |
2385 | * message | |
d781d247 | 2386 | */ |
38b051a1 | 2387 | if (ret > 0 || (ret <= 0 && sc->early_data_state |
d781d247 | 2388 | != SSL_EARLY_DATA_FINISHED_READING)) { |
38b051a1 | 2389 | sc->early_data_state = SSL_EARLY_DATA_READ_RETRY; |
f533fbd4 MC |
2390 | return ret > 0 ? SSL_READ_EARLY_DATA_SUCCESS |
2391 | : SSL_READ_EARLY_DATA_ERROR; | |
d781d247 MC |
2392 | } |
2393 | } else { | |
38b051a1 | 2394 | sc->early_data_state = SSL_EARLY_DATA_FINISHED_READING; |
d781d247 MC |
2395 | } |
2396 | *readbytes = 0; | |
f533fbd4 | 2397 | return SSL_READ_EARLY_DATA_FINISH; |
d781d247 MC |
2398 | |
2399 | default: | |
6849b73c | 2400 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
f533fbd4 | 2401 | return SSL_READ_EARLY_DATA_ERROR; |
d781d247 MC |
2402 | } |
2403 | } | |
2404 | ||
f5b519c4 | 2405 | int SSL_get_early_data_status(const SSL *s) |
1ea4d09a | 2406 | { |
38b051a1 TM |
2407 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(s); |
2408 | ||
d6e7ebba | 2409 | /* TODO(QUIC 0RTT): 0-RTT support */ |
38b051a1 TM |
2410 | if (sc == NULL) |
2411 | return 0; | |
2412 | ||
2413 | return sc->ext.early_data; | |
1ea4d09a MC |
2414 | } |
2415 | ||
4ee7d3f9 | 2416 | static int ssl_peek_internal(SSL *s, void *buf, size_t num, size_t *readbytes) |
0f113f3e | 2417 | { |
38b051a1 | 2418 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
03bacce8 | 2419 | |
6d495cc4 HL |
2420 | #ifndef OPENSSL_NO_QUIC |
2421 | if (IS_QUIC(s)) | |
03bacce8 | 2422 | return s->method->ssl_peek(s, buf, num, readbytes); |
6292519c | 2423 | #endif |
38b051a1 TM |
2424 | |
2425 | if (sc == NULL) | |
2426 | return 0; | |
2427 | ||
2428 | if (sc->handshake_func == NULL) { | |
6849b73c | 2429 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
0f113f3e MC |
2430 | return -1; |
2431 | } | |
2432 | ||
38b051a1 | 2433 | if (sc->shutdown & SSL_RECEIVED_SHUTDOWN) { |
4ee7d3f9 | 2434 | return 0; |
0f113f3e | 2435 | } |
38b051a1 | 2436 | if ((sc->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
add2f5ca | 2437 | struct ssl_async_args args; |
eda75751 | 2438 | int ret; |
0f113f3e | 2439 | |
add2f5ca MC |
2440 | args.s = s; |
2441 | args.buf = buf; | |
2442 | args.num = num; | |
ec447924 MC |
2443 | args.type = READFUNC; |
2444 | args.f.func_read = s->method->ssl_peek; | |
07bbc92c | 2445 | |
eda75751 | 2446 | ret = ssl_start_async_job(s, &args, ssl_io_intern); |
38b051a1 | 2447 | *readbytes = sc->asyncrw; |
eda75751 | 2448 | return ret; |
add2f5ca | 2449 | } else { |
54105ddd | 2450 | return s->method->ssl_peek(s, buf, num, readbytes); |
add2f5ca | 2451 | } |
07bbc92c MC |
2452 | } |
2453 | ||
4ee7d3f9 | 2454 | int SSL_peek(SSL *s, void *buf, int num) |
7ee8627f MC |
2455 | { |
2456 | int ret; | |
4ee7d3f9 | 2457 | size_t readbytes; |
7ee8627f MC |
2458 | |
2459 | if (num < 0) { | |
6849b73c | 2460 | ERR_raise(ERR_LIB_SSL, SSL_R_BAD_LENGTH); |
7ee8627f MC |
2461 | return -1; |
2462 | } | |
2463 | ||
4ee7d3f9 | 2464 | ret = ssl_peek_internal(s, buf, (size_t)num, &readbytes); |
7ee8627f MC |
2465 | |
2466 | /* | |
2467 | * The cast is safe here because ret should be <= INT_MAX because num is | |
2468 | * <= INT_MAX | |
2469 | */ | |
2470 | if (ret > 0) | |
4ee7d3f9 | 2471 | ret = (int)readbytes; |
7ee8627f MC |
2472 | |
2473 | return ret; | |
2474 | } | |
2475 | ||
4ee7d3f9 KR |
2476 | |
2477 | int SSL_peek_ex(SSL *s, void *buf, size_t num, size_t *readbytes) | |
2478 | { | |
2479 | int ret = ssl_peek_internal(s, buf, num, readbytes); | |
2480 | ||
2481 | if (ret < 0) | |
2482 | ret = 0; | |
2483 | return ret; | |
2484 | } | |
2485 | ||
113be15a HL |
2486 | int ssl_write_internal(SSL *s, const void *buf, size_t num, |
2487 | uint64_t flags, size_t *written) | |
0f113f3e | 2488 | { |
38b051a1 | 2489 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
03bacce8 | 2490 | |
6d495cc4 HL |
2491 | #ifndef OPENSSL_NO_QUIC |
2492 | if (IS_QUIC(s)) | |
113be15a | 2493 | return ossl_quic_write_flags(s, buf, num, flags, written); |
6292519c | 2494 | #endif |
38b051a1 TM |
2495 | |
2496 | if (sc == NULL) | |
2497 | return 0; | |
2498 | ||
2499 | if (sc->handshake_func == NULL) { | |
6849b73c | 2500 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
0f113f3e MC |
2501 | return -1; |
2502 | } | |
2503 | ||
38b051a1 TM |
2504 | if (sc->shutdown & SSL_SENT_SHUTDOWN) { |
2505 | sc->rwstate = SSL_NOTHING; | |
6849b73c | 2506 | ERR_raise(ERR_LIB_SSL, SSL_R_PROTOCOL_IS_SHUTDOWN); |
4ee7d3f9 | 2507 | return -1; |
0f113f3e | 2508 | } |
07bbc92c | 2509 | |
113be15a HL |
2510 | if (flags != 0) { |
2511 | ERR_raise(ERR_LIB_SSL, SSL_R_UNSUPPORTED_WRITE_FLAG); | |
2512 | return -1; | |
2513 | } | |
2514 | ||
38b051a1 TM |
2515 | if (sc->early_data_state == SSL_EARLY_DATA_CONNECT_RETRY |
2516 | || sc->early_data_state == SSL_EARLY_DATA_ACCEPT_RETRY | |
2517 | || sc->early_data_state == SSL_EARLY_DATA_READ_RETRY) { | |
6849b73c | 2518 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
49e7fe12 | 2519 | return 0; |
0a5ece5b | 2520 | } |
564547e4 | 2521 | /* If we are a client and haven't sent the Finished we better do that */ |
38b051a1 | 2522 | ossl_statem_check_finish_init(sc, 1); |
49e7fe12 | 2523 | |
38b051a1 | 2524 | if ((sc->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
7ee8627f | 2525 | int ret; |
add2f5ca MC |
2526 | struct ssl_async_args args; |
2527 | ||
2528 | args.s = s; | |
2529 | args.buf = (void *)buf; | |
2530 | args.num = num; | |
ec447924 MC |
2531 | args.type = WRITEFUNC; |
2532 | args.f.func_write = s->method->ssl_write; | |
add2f5ca | 2533 | |
7ee8627f | 2534 | ret = ssl_start_async_job(s, &args, ssl_io_intern); |
38b051a1 | 2535 | *written = sc->asyncrw; |
7ee8627f | 2536 | return ret; |
07bbc92c | 2537 | } else { |
7ee8627f | 2538 | return s->method->ssl_write(s, buf, num, written); |
07bbc92c | 2539 | } |
0f113f3e | 2540 | } |
d02b48c6 | 2541 | |
7c3a7561 BP |
2542 | ossl_ssize_t SSL_sendfile(SSL *s, int fd, off_t offset, size_t size, int flags) |
2543 | { | |
2544 | ossl_ssize_t ret; | |
38b051a1 | 2545 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
7c3a7561 | 2546 | |
38b051a1 TM |
2547 | if (sc == NULL) |
2548 | return 0; | |
2549 | ||
2550 | if (sc->handshake_func == NULL) { | |
6849b73c | 2551 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
7c3a7561 BP |
2552 | return -1; |
2553 | } | |
2554 | ||
38b051a1 TM |
2555 | if (sc->shutdown & SSL_SENT_SHUTDOWN) { |
2556 | sc->rwstate = SSL_NOTHING; | |
6849b73c | 2557 | ERR_raise(ERR_LIB_SSL, SSL_R_PROTOCOL_IS_SHUTDOWN); |
7c3a7561 BP |
2558 | return -1; |
2559 | } | |
2560 | ||
38b051a1 | 2561 | if (!BIO_get_ktls_send(sc->wbio)) { |
6849b73c | 2562 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
7c3a7561 BP |
2563 | return -1; |
2564 | } | |
2565 | ||
2566 | /* If we have an alert to send, lets send it */ | |
73243502 | 2567 | if (sc->s3.alert_dispatch > 0) { |
7c3a7561 BP |
2568 | ret = (ossl_ssize_t)s->method->ssl_dispatch_alert(s); |
2569 | if (ret <= 0) { | |
2570 | /* SSLfatal() already called if appropriate */ | |
2571 | return ret; | |
2572 | } | |
2573 | /* if it went, fall through and send more stuff */ | |
2574 | } | |
2575 | ||
38b051a1 TM |
2576 | sc->rwstate = SSL_WRITING; |
2577 | if (BIO_flush(sc->wbio) <= 0) { | |
2578 | if (!BIO_should_retry(sc->wbio)) { | |
2579 | sc->rwstate = SSL_NOTHING; | |
7c3a7561 BP |
2580 | } else { |
2581 | #ifdef EAGAIN | |
2582 | set_sys_error(EAGAIN); | |
2583 | #endif | |
2584 | } | |
2585 | return -1; | |
2586 | } | |
2587 | ||
712c0942 | 2588 | #ifdef OPENSSL_NO_KTLS |
fa7a8074 RL |
2589 | ERR_raise_data(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR, |
2590 | "can't call ktls_sendfile(), ktls disabled"); | |
712c0942 | 2591 | return -1; |
7c3a7561 | 2592 | #else |
712c0942 | 2593 | ret = ktls_sendfile(SSL_get_wfd(s), fd, offset, size, flags); |
7c3a7561 BP |
2594 | if (ret < 0) { |
2595 | #if defined(EAGAIN) && defined(EINTR) && defined(EBUSY) | |
2596 | if ((get_last_sys_error() == EAGAIN) || | |
2597 | (get_last_sys_error() == EINTR) || | |
2598 | (get_last_sys_error() == EBUSY)) | |
38b051a1 | 2599 | BIO_set_retry_write(sc->wbio); |
7c3a7561 BP |
2600 | else |
2601 | #endif | |
6849b73c | 2602 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
7c3a7561 BP |
2603 | return ret; |
2604 | } | |
38b051a1 | 2605 | sc->rwstate = SSL_NOTHING; |
7c3a7561 | 2606 | return ret; |
712c0942 | 2607 | #endif |
7c3a7561 BP |
2608 | } |
2609 | ||
4ee7d3f9 KR |
2610 | int SSL_write(SSL *s, const void *buf, int num) |
2611 | { | |
2612 | int ret; | |
2613 | size_t written; | |
2614 | ||
2615 | if (num < 0) { | |
6849b73c | 2616 | ERR_raise(ERR_LIB_SSL, SSL_R_BAD_LENGTH); |
4ee7d3f9 KR |
2617 | return -1; |
2618 | } | |
2619 | ||
113be15a | 2620 | ret = ssl_write_internal(s, buf, (size_t)num, 0, &written); |
4ee7d3f9 KR |
2621 | |
2622 | /* | |
2623 | * The cast is safe here because ret should be <= INT_MAX because num is | |
2624 | * <= INT_MAX | |
2625 | */ | |
2626 | if (ret > 0) | |
2627 | ret = (int)written; | |
2628 | ||
2629 | return ret; | |
2630 | } | |
2631 | ||
2632 | int SSL_write_ex(SSL *s, const void *buf, size_t num, size_t *written) | |
2633 | { | |
113be15a HL |
2634 | return SSL_write_ex2(s, buf, num, 0, written); |
2635 | } | |
2636 | ||
2637 | int SSL_write_ex2(SSL *s, const void *buf, size_t num, uint64_t flags, | |
2638 | size_t *written) | |
2639 | { | |
2640 | int ret = ssl_write_internal(s, buf, num, flags, written); | |
4ee7d3f9 KR |
2641 | |
2642 | if (ret < 0) | |
2643 | ret = 0; | |
2644 | return ret; | |
2645 | } | |
2646 | ||
0665b4ed | 2647 | int SSL_write_early_data(SSL *s, const void *buf, size_t num, size_t *written) |
49e7fe12 | 2648 | { |
a0cb628b | 2649 | int ret, early_data_state; |
2a8db717 | 2650 | size_t writtmp; |
f7414b08 | 2651 | uint32_t partialwrite; |
38b051a1 TM |
2652 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
2653 | ||
44cb36d0 | 2654 | /* TODO(QUIC 0RTT): This will need special handling for QUIC */ |
38b051a1 TM |
2655 | if (sc == NULL) |
2656 | return 0; | |
49e7fe12 | 2657 | |
38b051a1 | 2658 | switch (sc->early_data_state) { |
49e7fe12 | 2659 | case SSL_EARLY_DATA_NONE: |
38b051a1 | 2660 | if (sc->server |
09f28874 | 2661 | || !SSL_in_before(s) |
38b051a1 TM |
2662 | || ((sc->session == NULL || sc->session->ext.max_early_data == 0) |
2663 | && (sc->psk_use_session_cb == NULL))) { | |
6849b73c | 2664 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
49e7fe12 MC |
2665 | return 0; |
2666 | } | |
2667 | /* fall through */ | |
2668 | ||
2669 | case SSL_EARLY_DATA_CONNECT_RETRY: | |
38b051a1 | 2670 | sc->early_data_state = SSL_EARLY_DATA_CONNECTING; |
49e7fe12 MC |
2671 | ret = SSL_connect(s); |
2672 | if (ret <= 0) { | |
2673 | /* NBIO or error */ | |
38b051a1 | 2674 | sc->early_data_state = SSL_EARLY_DATA_CONNECT_RETRY; |
49e7fe12 MC |
2675 | return 0; |
2676 | } | |
2677 | /* fall through */ | |
2678 | ||
2679 | case SSL_EARLY_DATA_WRITE_RETRY: | |
38b051a1 | 2680 | sc->early_data_state = SSL_EARLY_DATA_WRITING; |
f7414b08 MC |
2681 | /* |
2682 | * We disable partial write for early data because we don't keep track | |
2683 | * of how many bytes we've written between the SSL_write_ex() call and | |
2684 | * the flush if the flush needs to be retried) | |
2685 | */ | |
38b051a1 TM |
2686 | partialwrite = sc->mode & SSL_MODE_ENABLE_PARTIAL_WRITE; |
2687 | sc->mode &= ~SSL_MODE_ENABLE_PARTIAL_WRITE; | |
2a8db717 | 2688 | ret = SSL_write_ex(s, buf, num, &writtmp); |
38b051a1 | 2689 | sc->mode |= partialwrite; |
2a8db717 | 2690 | if (!ret) { |
38b051a1 | 2691 | sc->early_data_state = SSL_EARLY_DATA_WRITE_RETRY; |
2a8db717 MC |
2692 | return ret; |
2693 | } | |
38b051a1 | 2694 | sc->early_data_state = SSL_EARLY_DATA_WRITE_FLUSH; |
2a8db717 MC |
2695 | /* fall through */ |
2696 | ||
2697 | case SSL_EARLY_DATA_WRITE_FLUSH: | |
2698 | /* The buffering BIO is still in place so we need to flush it */ | |
38b051a1 | 2699 | if (statem_flush(sc) != 1) |
2a8db717 | 2700 | return 0; |
2a8db717 | 2701 | *written = num; |
38b051a1 | 2702 | sc->early_data_state = SSL_EARLY_DATA_WRITE_RETRY; |
2a8db717 | 2703 | return 1; |
49e7fe12 | 2704 | |
116d0da5 | 2705 | case SSL_EARLY_DATA_FINISHED_READING: |
a0cb628b | 2706 | case SSL_EARLY_DATA_READ_RETRY: |
38b051a1 | 2707 | early_data_state = sc->early_data_state; |
09f28874 | 2708 | /* We are a server writing to an unauthenticated client */ |
38b051a1 | 2709 | sc->early_data_state = SSL_EARLY_DATA_UNAUTH_WRITING; |
09f28874 | 2710 | ret = SSL_write_ex(s, buf, num, written); |
5fe37157 MC |
2711 | /* The buffering BIO is still in place */ |
2712 | if (ret) | |
38b051a1 TM |
2713 | (void)BIO_flush(sc->wbio); |
2714 | sc->early_data_state = early_data_state; | |
09f28874 MC |
2715 | return ret; |
2716 | ||
49e7fe12 | 2717 | default: |
6849b73c | 2718 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
49e7fe12 MC |
2719 | return 0; |
2720 | } | |
2721 | } | |
2722 | ||
4f43d0e7 | 2723 | int SSL_shutdown(SSL *s) |
0f113f3e MC |
2724 | { |
2725 | /* | |
2726 | * Note that this function behaves differently from what one might | |
2727 | * expect. Return values are 0 for no success (yet), 1 for success; but | |
2728 | * calling it once is usually not enough, even if blocking I/O is used | |
2729 | * (see ssl3_shutdown). | |
2730 | */ | |
38b051a1 | 2731 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
e8043229 | 2732 | |
22b1a96f HL |
2733 | #ifndef OPENSSL_NO_QUIC |
2734 | if (IS_QUIC(s)) | |
6d495cc4 | 2735 | return ossl_quic_conn_shutdown(s, 0, NULL, 0); |
e8043229 | 2736 | #endif |
0f113f3e | 2737 | |
38b051a1 TM |
2738 | if (sc == NULL) |
2739 | return -1; | |
2740 | ||
2741 | if (sc->handshake_func == NULL) { | |
6849b73c | 2742 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
0f113f3e MC |
2743 | return -1; |
2744 | } | |
2745 | ||
64f9f406 | 2746 | if (!SSL_in_init(s)) { |
38b051a1 | 2747 | if ((sc->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
64f9f406 | 2748 | struct ssl_async_args args; |
ec447924 | 2749 | |
09134f18 | 2750 | memset(&args, 0, sizeof(args)); |
64f9f406 MC |
2751 | args.s = s; |
2752 | args.type = OTHERFUNC; | |
2753 | args.f.func_other = s->method->ssl_shutdown; | |
ec447924 | 2754 | |
64f9f406 MC |
2755 | return ssl_start_async_job(s, &args, ssl_io_intern); |
2756 | } else { | |
2757 | return s->method->ssl_shutdown(s); | |
2758 | } | |
ec447924 | 2759 | } else { |
6849b73c | 2760 | ERR_raise(ERR_LIB_SSL, SSL_R_SHUTDOWN_WHILE_IN_INIT); |
64f9f406 | 2761 | return -1; |
ec447924 | 2762 | } |
0f113f3e | 2763 | } |
d02b48c6 | 2764 | |
4fbfe86a | 2765 | int SSL_key_update(SSL *s, int updatetype) |
44c04a2e | 2766 | { |
38b051a1 TM |
2767 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
2768 | ||
2525109f HL |
2769 | #ifndef OPENSSL_NO_QUIC |
2770 | if (IS_QUIC(s)) | |
2771 | return ossl_quic_key_update(s, updatetype); | |
2772 | #endif | |
2773 | ||
38b051a1 TM |
2774 | if (sc == NULL) |
2775 | return 0; | |
2776 | ||
2777 | if (!SSL_CONNECTION_IS_TLS13(sc)) { | |
6849b73c | 2778 | ERR_raise(ERR_LIB_SSL, SSL_R_WRONG_SSL_VERSION); |
44c04a2e MC |
2779 | return 0; |
2780 | } | |
2781 | ||
2782 | if (updatetype != SSL_KEY_UPDATE_NOT_REQUESTED | |
2783 | && updatetype != SSL_KEY_UPDATE_REQUESTED) { | |
6849b73c | 2784 | ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_KEY_UPDATE_TYPE); |
44c04a2e MC |
2785 | return 0; |
2786 | } | |
2787 | ||
2788 | if (!SSL_is_init_finished(s)) { | |
6849b73c | 2789 | ERR_raise(ERR_LIB_SSL, SSL_R_STILL_IN_INIT); |
44c04a2e MC |
2790 | return 0; |
2791 | } | |
2792 | ||
38b051a1 | 2793 | if (RECORD_LAYER_write_pending(&sc->rlayer)) { |
3bec4851 MC |
2794 | ERR_raise(ERR_LIB_SSL, SSL_R_BAD_WRITE_RETRY); |
2795 | return 0; | |
2796 | } | |
2797 | ||
38b051a1 TM |
2798 | ossl_statem_set_in_init(sc, 1); |
2799 | sc->key_update = updatetype; | |
44c04a2e MC |
2800 | return 1; |
2801 | } | |
2802 | ||
3499327b | 2803 | int SSL_get_key_update_type(const SSL *s) |
53d1d07d | 2804 | { |
38b051a1 TM |
2805 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
2806 | ||
2525109f HL |
2807 | #ifndef OPENSSL_NO_QUIC |
2808 | if (IS_QUIC(s)) | |
2809 | return ossl_quic_get_key_update_type(s); | |
2810 | #endif | |
2811 | ||
38b051a1 TM |
2812 | if (sc == NULL) |
2813 | return 0; | |
2814 | ||
2815 | return sc->key_update; | |
53d1d07d MC |
2816 | } |
2817 | ||
55373bfd RS |
2818 | /* |
2819 | * Can we accept a renegotiation request? If yes, set the flag and | |
2820 | * return 1 if yes. If not, raise error and return 0. | |
2821 | */ | |
38b051a1 | 2822 | static int can_renegotiate(const SSL_CONNECTION *sc) |
0f113f3e | 2823 | { |
38b051a1 | 2824 | if (SSL_CONNECTION_IS_TLS13(sc)) { |
6849b73c | 2825 | ERR_raise(ERR_LIB_SSL, SSL_R_WRONG_SSL_VERSION); |
2c0980d2 | 2826 | return 0; |
44c04a2e | 2827 | } |
cda6b998 | 2828 | |
38b051a1 | 2829 | if ((sc->options & SSL_OP_NO_RENEGOTIATION) != 0) { |
6849b73c | 2830 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_RENEGOTIATION); |
db0f35dd TS |
2831 | return 0; |
2832 | } | |
44959ee4 | 2833 | |
55373bfd RS |
2834 | return 1; |
2835 | } | |
2836 | ||
2837 | int SSL_renegotiate(SSL *s) | |
2838 | { | |
38b051a1 TM |
2839 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
2840 | ||
2841 | if (sc == NULL) | |
55373bfd RS |
2842 | return 0; |
2843 | ||
38b051a1 TM |
2844 | if (!can_renegotiate(sc)) |
2845 | return 0; | |
2846 | ||
2847 | sc->renegotiate = 1; | |
2848 | sc->new_session = 1; | |
26a7d938 | 2849 | return s->method->ssl_renegotiate(s); |
0f113f3e | 2850 | } |
d02b48c6 | 2851 | |
44959ee4 | 2852 | int SSL_renegotiate_abbreviated(SSL *s) |
0f113f3e | 2853 | { |
38b051a1 TM |
2854 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
2855 | ||
2856 | if (sc == NULL) | |
2857 | return 0; | |
2858 | ||
2859 | if (!can_renegotiate(sc)) | |
2c0980d2 | 2860 | return 0; |
c519e89f | 2861 | |
38b051a1 TM |
2862 | sc->renegotiate = 1; |
2863 | sc->new_session = 0; | |
26a7d938 | 2864 | return s->method->ssl_renegotiate(s); |
0f113f3e | 2865 | } |
44959ee4 | 2866 | |
3499327b | 2867 | int SSL_renegotiate_pending(const SSL *s) |
0f113f3e | 2868 | { |
38b051a1 TM |
2869 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
2870 | ||
2871 | if (sc == NULL) | |
2872 | return 0; | |
2873 | ||
0f113f3e MC |
2874 | /* |
2875 | * becomes true when negotiation is requested; false again once a | |
2876 | * handshake has finished | |
2877 | */ | |
38b051a1 | 2878 | return (sc->renegotiate != 0); |
0f113f3e MC |
2879 | } |
2880 | ||
3bfacb5f BK |
2881 | int SSL_new_session_ticket(SSL *s) |
2882 | { | |
38b051a1 TM |
2883 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
2884 | ||
2885 | if (sc == NULL) | |
2886 | return 0; | |
2887 | ||
7c73fefe | 2888 | /* If we are in init because we're sending tickets, okay to send more. */ |
38b051a1 TM |
2889 | if ((SSL_in_init(s) && sc->ext.extra_tickets_expected == 0) |
2890 | || SSL_IS_FIRST_HANDSHAKE(sc) || !sc->server | |
2891 | || !SSL_CONNECTION_IS_TLS13(sc)) | |
35774d55 | 2892 | return 0; |
38b051a1 TM |
2893 | sc->ext.extra_tickets_expected++; |
2894 | if (!RECORD_LAYER_write_pending(&sc->rlayer) && !SSL_in_init(s)) | |
2895 | ossl_statem_set_in_init(sc, 1); | |
35774d55 | 2896 | return 1; |
3bfacb5f BK |
2897 | } |
2898 | ||
0f113f3e | 2899 | long SSL_ctrl(SSL *s, int cmd, long larg, void *parg) |
c5b882a8 HL |
2900 | { |
2901 | return ossl_ctrl_internal(s, cmd, larg, parg, /*no_quic=*/0); | |
2902 | } | |
2903 | ||
2904 | long ossl_ctrl_internal(SSL *s, int cmd, long larg, void *parg, int no_quic) | |
0f113f3e MC |
2905 | { |
2906 | long l; | |
8dc82c02 | 2907 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
38b051a1 | 2908 | |
c5b882a8 HL |
2909 | /* |
2910 | * Routing of ctrl calls for QUIC is a little counterintuitive: | |
2911 | * | |
2912 | * - Firstly (no_quic=0), we pass the ctrl directly to our QUIC | |
2913 | * implementation in case it wants to handle the ctrl specially. | |
2914 | * | |
2915 | * - If our QUIC implementation does not care about the ctrl, it | |
2916 | * will reenter this function with no_quic=1 and we will try to handle | |
2917 | * it directly using the QCSO SSL object stub (not the handshake layer | |
2918 | * SSL object). This is important for e.g. the version configuration | |
2919 | * ctrls below, which must use s->defltmeth (and not sc->defltmeth). | |
2920 | * | |
2921 | * - If we don't handle a ctrl here specially, then processing is | |
2922 | * redirected to the handshake layer SSL object. | |
2923 | */ | |
2924 | if (!no_quic && IS_QUIC(s)) | |
2925 | return s->method->ssl_ctrl(s, cmd, larg, parg); | |
0f113f3e | 2926 | |
5c16e9d3 HL |
2927 | if (sc == NULL) |
2928 | return 0; | |
2929 | ||
0f113f3e MC |
2930 | switch (cmd) { |
2931 | case SSL_CTRL_GET_READ_AHEAD: | |
38b051a1 | 2932 | return RECORD_LAYER_get_read_ahead(&sc->rlayer); |
0f113f3e | 2933 | case SSL_CTRL_SET_READ_AHEAD: |
38b051a1 TM |
2934 | l = RECORD_LAYER_get_read_ahead(&sc->rlayer); |
2935 | RECORD_LAYER_set_read_ahead(&sc->rlayer, larg); | |
26a7d938 | 2936 | return l; |
0f113f3e | 2937 | |
0f113f3e | 2938 | case SSL_CTRL_MODE: |
4566dae7 MC |
2939 | { |
2940 | OSSL_PARAM options[2], *opts = options; | |
2941 | ||
2942 | sc->mode |= larg; | |
2943 | ||
2944 | *opts++ = OSSL_PARAM_construct_uint32(OSSL_LIBSSL_RECORD_LAYER_PARAM_MODE, | |
2945 | &sc->mode); | |
2946 | *opts = OSSL_PARAM_construct_end(); | |
2947 | ||
2948 | /* Ignore return value */ | |
2949 | sc->rlayer.rrlmethod->set_options(sc->rlayer.rrl, options); | |
2950 | ||
2951 | return sc->mode; | |
2952 | } | |
0f113f3e | 2953 | case SSL_CTRL_CLEAR_MODE: |
38b051a1 | 2954 | return (sc->mode &= ~larg); |
0f113f3e | 2955 | case SSL_CTRL_GET_MAX_CERT_LIST: |
38b051a1 | 2956 | return (long)sc->max_cert_list; |
0f113f3e | 2957 | case SSL_CTRL_SET_MAX_CERT_LIST: |
348240c6 MC |
2958 | if (larg < 0) |
2959 | return 0; | |
38b051a1 TM |
2960 | l = (long)sc->max_cert_list; |
2961 | sc->max_cert_list = (size_t)larg; | |
348240c6 | 2962 | return l; |
0f113f3e | 2963 | case SSL_CTRL_SET_MAX_SEND_FRAGMENT: |
c5b882a8 | 2964 | if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH) |
0f113f3e | 2965 | return 0; |
50ec7505 | 2966 | #ifndef OPENSSL_NO_KTLS |
38b051a1 | 2967 | if (sc->wbio != NULL && BIO_get_ktls_send(sc->wbio)) |
50ec7505 BP |
2968 | return 0; |
2969 | #endif /* OPENSSL_NO_KTLS */ | |
38b051a1 TM |
2970 | sc->max_send_fragment = larg; |
2971 | if (sc->max_send_fragment < sc->split_send_fragment) | |
2972 | sc->split_send_fragment = sc->max_send_fragment; | |
435d88d7 | 2973 | sc->rlayer.wrlmethod->set_max_frag_len(sc->rlayer.wrl, larg); |
d102d9df MC |
2974 | return 1; |
2975 | case SSL_CTRL_SET_SPLIT_SEND_FRAGMENT: | |
c5b882a8 | 2976 | if ((size_t)larg > sc->max_send_fragment || larg == 0) |
d102d9df | 2977 | return 0; |
38b051a1 | 2978 | sc->split_send_fragment = larg; |
0f113f3e | 2979 | return 1; |
d102d9df | 2980 | case SSL_CTRL_SET_MAX_PIPELINES: |
c5b882a8 | 2981 | if (larg < 1 || larg > SSL_MAX_PIPELINES) |
d102d9df | 2982 | return 0; |
38b051a1 | 2983 | sc->max_pipelines = larg; |
cffafb5f MC |
2984 | if (sc->rlayer.rrlmethod->set_max_pipelines != NULL) |
2985 | sc->rlayer.rrlmethod->set_max_pipelines(sc->rlayer.rrl, (size_t)larg); | |
07077415 | 2986 | return 1; |
0f113f3e | 2987 | case SSL_CTRL_GET_RI_SUPPORT: |
38b051a1 | 2988 | return sc->s3.send_connection_binding; |
dfb39f73 | 2989 | case SSL_CTRL_SET_RETRY_VERIFY: |
38b051a1 | 2990 | sc->rwstate = SSL_RETRY_VERIFY; |
dfb39f73 | 2991 | return 1; |
0f113f3e | 2992 | case SSL_CTRL_CERT_FLAGS: |
38b051a1 | 2993 | return (sc->cert->cert_flags |= larg); |
0f113f3e | 2994 | case SSL_CTRL_CLEAR_CERT_FLAGS: |
38b051a1 | 2995 | return (sc->cert->cert_flags &= ~larg); |
0f113f3e MC |
2996 | |
2997 | case SSL_CTRL_GET_RAW_CIPHERLIST: | |
2998 | if (parg) { | |
38b051a1 | 2999 | if (sc->s3.tmp.ciphers_raw == NULL) |
0f113f3e | 3000 | return 0; |
38b051a1 TM |
3001 | *(unsigned char **)parg = sc->s3.tmp.ciphers_raw; |
3002 | return (int)sc->s3.tmp.ciphers_rawlen; | |
e9fa092e EK |
3003 | } else { |
3004 | return TLS_CIPHER_LEN; | |
3005 | } | |
c5364614 | 3006 | case SSL_CTRL_GET_EXTMS_SUPPORT: |
38b051a1 | 3007 | if (!sc->session || SSL_in_init(s) || ossl_statem_get_in_handshake(sc)) |
a230b26e | 3008 | return -1; |
38b051a1 | 3009 | if (sc->session->flags & SSL_SESS_FLAG_EXTMS) |
c5364614 DSH |
3010 | return 1; |
3011 | else | |
3012 | return 0; | |
7946ab33 | 3013 | case SSL_CTRL_SET_MIN_PROTO_VERSION: |
d6e7ebba | 3014 | return ssl_check_allowed_versions(larg, sc->max_proto_version) |
a7f41885 | 3015 | && ssl_set_version_bound(s->defltmeth->version, (int)larg, |
38b051a1 | 3016 | &sc->min_proto_version); |
3edabd3c | 3017 | case SSL_CTRL_GET_MIN_PROTO_VERSION: |
38b051a1 | 3018 | return sc->min_proto_version; |
7946ab33 | 3019 | case SSL_CTRL_SET_MAX_PROTO_VERSION: |
d6e7ebba | 3020 | return ssl_check_allowed_versions(sc->min_proto_version, larg) |
a7f41885 | 3021 | && ssl_set_version_bound(s->defltmeth->version, (int)larg, |
38b051a1 | 3022 | &sc->max_proto_version); |
3edabd3c | 3023 | case SSL_CTRL_GET_MAX_PROTO_VERSION: |
38b051a1 | 3024 | return sc->max_proto_version; |
0f113f3e | 3025 | default: |
c5b882a8 HL |
3026 | if (IS_QUIC(s)) |
3027 | return SSL_ctrl((SSL *)sc, cmd, larg, parg); | |
3028 | else | |
3029 | return s->method->ssl_ctrl(s, cmd, larg, parg); | |
0f113f3e MC |
3030 | } |
3031 | } | |
3032 | ||
3033 | long SSL_callback_ctrl(SSL *s, int cmd, void (*fp) (void)) | |
3034 | { | |
63dfde87 | 3035 | return s->method->ssl_callback_ctrl(s, cmd, fp); |
0f113f3e | 3036 | } |
d3442bc7 | 3037 | |
3c1d6bbc | 3038 | LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx) |
0f113f3e MC |
3039 | { |
3040 | return ctx->sessions; | |
3041 | } | |
3042 | ||
acce0557 P |
3043 | static int ssl_tsan_load(SSL_CTX *ctx, TSAN_QUALIFIER int *stat) |
3044 | { | |
3045 | int res = 0; | |
3046 | ||
3047 | if (ssl_tsan_lock(ctx)) { | |
3048 | res = tsan_load(stat); | |
3049 | ssl_tsan_unlock(ctx); | |
3050 | } | |
3051 | return res; | |
3052 | } | |
3053 | ||
0f113f3e MC |
3054 | long SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg) |
3055 | { | |
3056 | long l; | |
3057 | /* For some cases with ctx == NULL perform syntax checks */ | |
3058 | if (ctx == NULL) { | |
3059 | switch (cmd) { | |
de4d764e | 3060 | case SSL_CTRL_SET_GROUPS_LIST: |
260009d8 | 3061 | return tls1_set_groups_list(ctx, NULL, NULL, parg); |
0f113f3e MC |
3062 | case SSL_CTRL_SET_SIGALGS_LIST: |
3063 | case SSL_CTRL_SET_CLIENT_SIGALGS_LIST: | |
4169d58c | 3064 | return tls1_set_sigalgs_list(ctx, NULL, parg, 0); |
0f113f3e MC |
3065 | default: |
3066 | return 0; | |
3067 | } | |
3068 | } | |
3069 | ||
3070 | switch (cmd) { | |
3071 | case SSL_CTRL_GET_READ_AHEAD: | |
26a7d938 | 3072 | return ctx->read_ahead; |
0f113f3e MC |
3073 | case SSL_CTRL_SET_READ_AHEAD: |
3074 | l = ctx->read_ahead; | |
3075 | ctx->read_ahead = larg; | |
26a7d938 | 3076 | return l; |
0f113f3e MC |
3077 | |
3078 | case SSL_CTRL_SET_MSG_CALLBACK_ARG: | |
3079 | ctx->msg_callback_arg = parg; | |
3080 | return 1; | |
3081 | ||
3082 | case SSL_CTRL_GET_MAX_CERT_LIST: | |
26a7d938 | 3083 | return (long)ctx->max_cert_list; |
0f113f3e | 3084 | case SSL_CTRL_SET_MAX_CERT_LIST: |
348240c6 MC |
3085 | if (larg < 0) |
3086 | return 0; | |
3087 | l = (long)ctx->max_cert_list; | |
3088 | ctx->max_cert_list = (size_t)larg; | |
3089 | return l; | |
0f113f3e MC |
3090 | |
3091 | case SSL_CTRL_SET_SESS_CACHE_SIZE: | |
348240c6 MC |
3092 | if (larg < 0) |
3093 | return 0; | |
3094 | l = (long)ctx->session_cache_size; | |
3095 | ctx->session_cache_size = (size_t)larg; | |
3096 | return l; | |
0f113f3e | 3097 | case SSL_CTRL_GET_SESS_CACHE_SIZE: |
26a7d938 | 3098 | return (long)ctx->session_cache_size; |
0f113f3e MC |
3099 | case SSL_CTRL_SET_SESS_CACHE_MODE: |
3100 | l = ctx->session_cache_mode; | |
3101 | ctx->session_cache_mode = larg; | |
26a7d938 | 3102 | return l; |
0f113f3e | 3103 | case SSL_CTRL_GET_SESS_CACHE_MODE: |
26a7d938 | 3104 | return ctx->session_cache_mode; |
0f113f3e MC |
3105 | |
3106 | case SSL_CTRL_SESS_NUMBER: | |
26a7d938 | 3107 | return lh_SSL_SESSION_num_items(ctx->sessions); |
0f113f3e | 3108 | case SSL_CTRL_SESS_CONNECT: |
acce0557 | 3109 | return ssl_tsan_load(ctx, &ctx->stats.sess_connect); |
0f113f3e | 3110 | case SSL_CTRL_SESS_CONNECT_GOOD: |
acce0557 | 3111 | return ssl_tsan_load(ctx, &ctx->stats.sess_connect_good); |
0f113f3e | 3112 | case SSL_CTRL_SESS_CONNECT_RENEGOTIATE: |
acce0557 | 3113 | return ssl_tsan_load(ctx, &ctx->stats.sess_connect_renegotiate); |
0f113f3e | 3114 | case SSL_CTRL_SESS_ACCEPT: |
acce0557 | 3115 | return ssl_tsan_load(ctx, &ctx->stats.sess_accept); |
0f113f3e | 3116 | case SSL_CTRL_SESS_ACCEPT_GOOD: |
acce0557 | 3117 | return ssl_tsan_load(ctx, &ctx->stats.sess_accept_good); |
0f113f3e | 3118 | case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE: |
acce0557 | 3119 | return ssl_tsan_load(ctx, &ctx->stats.sess_accept_renegotiate); |
0f113f3e | 3120 | case SSL_CTRL_SESS_HIT: |
acce0557 | 3121 | return ssl_tsan_load(ctx, &ctx->stats.sess_hit); |
0f113f3e | 3122 | case SSL_CTRL_SESS_CB_HIT: |
acce0557 | 3123 | return ssl_tsan_load(ctx, &ctx->stats.sess_cb_hit); |
0f113f3e | 3124 | case SSL_CTRL_SESS_MISSES: |
acce0557 | 3125 | return ssl_tsan_load(ctx, &ctx->stats.sess_miss); |
0f113f3e | 3126 | case SSL_CTRL_SESS_TIMEOUTS: |
acce0557 | 3127 | return ssl_tsan_load(ctx, &ctx->stats.sess_timeout); |
0f113f3e | 3128 | case SSL_CTRL_SESS_CACHE_FULL: |
acce0557 | 3129 | return ssl_tsan_load(ctx, &ctx->stats.sess_cache_full); |
0f113f3e MC |
3130 | case SSL_CTRL_MODE: |
3131 | return (ctx->mode |= larg); | |
3132 | case SSL_CTRL_CLEAR_MODE: | |
3133 | return (ctx->mode &= ~larg); | |
3134 | case SSL_CTRL_SET_MAX_SEND_FRAGMENT: | |
3135 | if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH) | |
3136 | return 0; | |
3137 | ctx->max_send_fragment = larg; | |
d102d9df | 3138 | if (ctx->max_send_fragment < ctx->split_send_fragment) |
bfb155c1 | 3139 | ctx->split_send_fragment = ctx->max_send_fragment; |
0f113f3e | 3140 | return 1; |
d102d9df | 3141 | case SSL_CTRL_SET_SPLIT_SEND_FRAGMENT: |
7ee8627f | 3142 | if ((size_t)larg > ctx->max_send_fragment || larg == 0) |
d102d9df MC |
3143 | return 0; |
3144 | ctx->split_send_fragment = larg; | |
3145 | return 1; | |
3146 | case SSL_CTRL_SET_MAX_PIPELINES: | |
3147 | if (larg < 1 || larg > SSL_MAX_PIPELINES) | |
3148 | return 0; | |
3149 | ctx->max_pipelines = larg; | |
07077415 | 3150 | return 1; |
0f113f3e MC |
3151 | case SSL_CTRL_CERT_FLAGS: |
3152 | return (ctx->cert->cert_flags |= larg); | |
3153 | case SSL_CTRL_CLEAR_CERT_FLAGS: | |
3154 | return (ctx->cert->cert_flags &= ~larg); | |
7946ab33 | 3155 | case SSL_CTRL_SET_MIN_PROTO_VERSION: |
d6e7ebba | 3156 | return ssl_check_allowed_versions(larg, ctx->max_proto_version) |
c8feba72 BK |
3157 | && ssl_set_version_bound(ctx->method->version, (int)larg, |
3158 | &ctx->min_proto_version); | |
3edabd3c CH |
3159 | case SSL_CTRL_GET_MIN_PROTO_VERSION: |
3160 | return ctx->min_proto_version; | |
7946ab33 | 3161 | case SSL_CTRL_SET_MAX_PROTO_VERSION: |
d6e7ebba | 3162 | return ssl_check_allowed_versions(ctx->min_proto_version, larg) |
c8feba72 BK |
3163 | && ssl_set_version_bound(ctx->method->version, (int)larg, |
3164 | &ctx->max_proto_version); | |
3edabd3c CH |
3165 | case SSL_CTRL_GET_MAX_PROTO_VERSION: |
3166 | return ctx->max_proto_version; | |
0f113f3e | 3167 | default: |
26a7d938 | 3168 | return ctx->method->ssl_ctx_ctrl(ctx, cmd, larg, parg); |
0f113f3e MC |
3169 | } |
3170 | } | |
3171 | ||
3172 | long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp) (void)) | |
3173 | { | |
3174 | switch (cmd) { | |
3175 | case SSL_CTRL_SET_MSG_CALLBACK: | |
3176 | ctx->msg_callback = (void (*) | |
3177 | (int write_p, int version, int content_type, | |
3178 | const void *buf, size_t len, SSL *ssl, | |
3179 | void *arg))(fp); | |
3180 | return 1; | |
3181 | ||
3182 | default: | |
26a7d938 | 3183 | return ctx->method->ssl_ctx_callback_ctrl(ctx, cmd, fp); |
0f113f3e MC |
3184 | } |
3185 | } | |
d3442bc7 | 3186 | |
ccd86b68 | 3187 | int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b) |
0f113f3e | 3188 | { |
90d9e49a DSH |
3189 | if (a->id > b->id) |
3190 | return 1; | |
3191 | if (a->id < b->id) | |
3192 | return -1; | |
3193 | return 0; | |
0f113f3e MC |
3194 | } |
3195 | ||
3196 | int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, | |
3197 | const SSL_CIPHER *const *bp) | |
3198 | { | |
90d9e49a DSH |
3199 | if ((*ap)->id > (*bp)->id) |
3200 | return 1; | |
3201 | if ((*ap)->id < (*bp)->id) | |
3202 | return -1; | |
3203 | return 0; | |
0f113f3e | 3204 | } |
d02b48c6 | 3205 | |
38b051a1 TM |
3206 | /* |
3207 | * return a STACK of the ciphers available for the SSL and in order of | |
3208 | * preference | |
3209 | */ | |
0821bcd4 | 3210 | STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s) |
0f113f3e | 3211 | { |
38b051a1 TM |
3212 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
3213 | ||
3214 | if (sc != NULL) { | |
3215 | if (sc->cipher_list != NULL) { | |
3216 | return sc->cipher_list; | |
0f113f3e | 3217 | } else if ((s->ctx != NULL) && (s->ctx->cipher_list != NULL)) { |
26a7d938 | 3218 | return s->ctx->cipher_list; |
0f113f3e MC |
3219 | } |
3220 | } | |
26a7d938 | 3221 | return NULL; |
0f113f3e MC |
3222 | } |
3223 | ||
831eef2c NM |
3224 | STACK_OF(SSL_CIPHER) *SSL_get_client_ciphers(const SSL *s) |
3225 | { | |
38b051a1 TM |
3226 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
3227 | ||
3228 | if (sc == NULL || !sc->server) | |
831eef2c | 3229 | return NULL; |
38b051a1 | 3230 | return sc->peer_ciphers; |
831eef2c NM |
3231 | } |
3232 | ||
8b8e5bed | 3233 | STACK_OF(SSL_CIPHER) *SSL_get1_supported_ciphers(SSL *s) |
0f113f3e MC |
3234 | { |
3235 | STACK_OF(SSL_CIPHER) *sk = NULL, *ciphers; | |
3236 | int i; | |
38b051a1 TM |
3237 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
3238 | ||
3239 | if (sc == NULL) | |
3240 | return NULL; | |
1d0c08b4 | 3241 | |
0f113f3e MC |
3242 | ciphers = SSL_get_ciphers(s); |
3243 | if (!ciphers) | |
3244 | return NULL; | |
38b051a1 | 3245 | if (!ssl_set_client_disabled(sc)) |
1d0c08b4 | 3246 | return NULL; |
0f113f3e MC |
3247 | for (i = 0; i < sk_SSL_CIPHER_num(ciphers); i++) { |
3248 | const SSL_CIPHER *c = sk_SSL_CIPHER_value(ciphers, i); | |
38b051a1 | 3249 | if (!ssl_cipher_disabled(sc, c, SSL_SECOP_CIPHER_SUPPORTED, 0)) { |
0f113f3e MC |
3250 | if (!sk) |
3251 | sk = sk_SSL_CIPHER_new_null(); | |
3252 | if (!sk) | |
3253 | return NULL; | |
3254 | if (!sk_SSL_CIPHER_push(sk, c)) { | |
3255 | sk_SSL_CIPHER_free(sk); | |
3256 | return NULL; | |
3257 | } | |
3258 | } | |
3259 | } | |
3260 | return sk; | |
3261 | } | |
8b8e5bed | 3262 | |
4f43d0e7 | 3263 | /** return a STACK of the ciphers available for the SSL and in order of |
d02b48c6 | 3264 | * algorithm id */ |
38b051a1 | 3265 | STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL_CONNECTION *s) |
0f113f3e MC |
3266 | { |
3267 | if (s != NULL) { | |
38b051a1 | 3268 | if (s->cipher_list_by_id != NULL) |
26a7d938 | 3269 | return s->cipher_list_by_id; |
38b051a1 TM |
3270 | else if (s->ssl.ctx != NULL |
3271 | && s->ssl.ctx->cipher_list_by_id != NULL) | |
3272 | return s->ssl.ctx->cipher_list_by_id; | |
0f113f3e | 3273 | } |
26a7d938 | 3274 | return NULL; |
0f113f3e | 3275 | } |
d02b48c6 | 3276 | |
4f43d0e7 | 3277 | /** The old interface to get the same thing as SSL_get_ciphers() */ |
0f113f3e MC |
3278 | const char *SSL_get_cipher_list(const SSL *s, int n) |
3279 | { | |
4a640fb6 | 3280 | const SSL_CIPHER *c; |
0f113f3e MC |
3281 | STACK_OF(SSL_CIPHER) *sk; |
3282 | ||
3283 | if (s == NULL) | |
26a7d938 | 3284 | return NULL; |
0f113f3e MC |
3285 | sk = SSL_get_ciphers(s); |
3286 | if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n)) | |
26a7d938 | 3287 | return NULL; |
0f113f3e MC |
3288 | c = sk_SSL_CIPHER_value(sk, n); |
3289 | if (c == NULL) | |
26a7d938 K |
3290 | return NULL; |
3291 | return c->name; | |
0f113f3e | 3292 | } |
d02b48c6 | 3293 | |
9d5ac953 KY |
3294 | /** return a STACK of the ciphers available for the SSL_CTX and in order of |
3295 | * preference */ | |
3296 | STACK_OF(SSL_CIPHER) *SSL_CTX_get_ciphers(const SSL_CTX *ctx) | |
3297 | { | |
3298 | if (ctx != NULL) | |
3299 | return ctx->cipher_list; | |
3300 | return NULL; | |
3301 | } | |
3302 | ||
3c83c5ba SR |
3303 | /* |
3304 | * Distinguish between ciphers controlled by set_ciphersuite() and | |
3305 | * set_cipher_list() when counting. | |
3306 | */ | |
3307 | static int cipher_list_tls12_num(STACK_OF(SSL_CIPHER) *sk) | |
3308 | { | |
3309 | int i, num = 0; | |
3310 | const SSL_CIPHER *c; | |
3311 | ||
3312 | if (sk == NULL) | |
3313 | return 0; | |
3314 | for (i = 0; i < sk_SSL_CIPHER_num(sk); ++i) { | |
3315 | c = sk_SSL_CIPHER_value(sk, i); | |
3316 | if (c->min_tls >= TLS1_3_VERSION) | |
3317 | continue; | |
3318 | num++; | |
3319 | } | |
3320 | return num; | |
3321 | } | |
3322 | ||
25f923dd | 3323 | /** specify the ciphers to be used by default by the SSL_CTX */ |
018e57c7 | 3324 | int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str) |
0f113f3e MC |
3325 | { |
3326 | STACK_OF(SSL_CIPHER) *sk; | |
3327 | ||
a68eee67 | 3328 | sk = ssl_create_cipher_list(ctx, ctx->tls13_ciphersuites, |
f865b081 MC |
3329 | &ctx->cipher_list, &ctx->cipher_list_by_id, str, |
3330 | ctx->cert); | |
0f113f3e MC |
3331 | /* |
3332 | * ssl_create_cipher_list may return an empty stack if it was unable to | |
3333 | * find a cipher matching the given rule string (for example if the rule | |
3334 | * string specifies a cipher which has been disabled). This is not an | |
3335 | * error as far as ssl_create_cipher_list is concerned, and hence | |
3336 | * ctx->cipher_list and ctx->cipher_list_by_id has been updated. | |
3337 | */ | |
3338 | if (sk == NULL) | |
3339 | return 0; | |
3c83c5ba | 3340 | else if (cipher_list_tls12_num(sk) == 0) { |
6849b73c | 3341 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_CIPHER_MATCH); |
0f113f3e MC |
3342 | return 0; |
3343 | } | |
3344 | return 1; | |
3345 | } | |
d02b48c6 | 3346 | |
4f43d0e7 | 3347 | /** specify the ciphers to be used by the SSL */ |
0f113f3e MC |
3348 | int SSL_set_cipher_list(SSL *s, const char *str) |
3349 | { | |
3350 | STACK_OF(SSL_CIPHER) *sk; | |
38b051a1 | 3351 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
0f113f3e | 3352 | |
38b051a1 TM |
3353 | if (sc == NULL) |
3354 | return 0; | |
3355 | ||
3356 | sk = ssl_create_cipher_list(s->ctx, sc->tls13_ciphersuites, | |
3357 | &sc->cipher_list, &sc->cipher_list_by_id, str, | |
3358 | sc->cert); | |
0f113f3e MC |
3359 | /* see comment in SSL_CTX_set_cipher_list */ |
3360 | if (sk == NULL) | |
3361 | return 0; | |
3c83c5ba | 3362 | else if (cipher_list_tls12_num(sk) == 0) { |
6849b73c | 3363 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_CIPHER_MATCH); |
0f113f3e MC |
3364 | return 0; |
3365 | } | |
3366 | return 1; | |
3367 | } | |
d02b48c6 | 3368 | |
a216df59 | 3369 | char *SSL_get_shared_ciphers(const SSL *s, char *buf, int size) |
0f113f3e MC |
3370 | { |
3371 | char *p; | |
a216df59 | 3372 | STACK_OF(SSL_CIPHER) *clntsk, *srvrsk; |
4a640fb6 | 3373 | const SSL_CIPHER *c; |
0f113f3e | 3374 | int i; |
38b051a1 TM |
3375 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
3376 | ||
3377 | if (sc == NULL) | |
3378 | return NULL; | |
0f113f3e | 3379 | |
38b051a1 TM |
3380 | if (!sc->server |
3381 | || sc->peer_ciphers == NULL | |
a216df59 | 3382 | || size < 2) |
26a7d938 | 3383 | return NULL; |
0f113f3e MC |
3384 | |
3385 | p = buf; | |
38b051a1 | 3386 | clntsk = sc->peer_ciphers; |
a216df59 MC |
3387 | srvrsk = SSL_get_ciphers(s); |
3388 | if (clntsk == NULL || srvrsk == NULL) | |
3389 | return NULL; | |
0f113f3e | 3390 | |
a216df59 | 3391 | if (sk_SSL_CIPHER_num(clntsk) == 0 || sk_SSL_CIPHER_num(srvrsk) == 0) |
0f113f3e MC |
3392 | return NULL; |
3393 | ||
a216df59 | 3394 | for (i = 0; i < sk_SSL_CIPHER_num(clntsk); i++) { |
0f113f3e MC |
3395 | int n; |
3396 | ||
a216df59 MC |
3397 | c = sk_SSL_CIPHER_value(clntsk, i); |
3398 | if (sk_SSL_CIPHER_find(srvrsk, c) < 0) | |
3399 | continue; | |
3400 | ||
2743594d SS |
3401 | n = OPENSSL_strnlen(c->name, size); |
3402 | if (n >= size) { | |
0f113f3e MC |
3403 | if (p != buf) |
3404 | --p; | |
3405 | *p = '\0'; | |
3406 | return buf; | |
3407 | } | |
2743594d | 3408 | memcpy(p, c->name, n); |
0f113f3e MC |
3409 | p += n; |
3410 | *(p++) = ':'; | |
a216df59 | 3411 | size -= n + 1; |
0f113f3e MC |
3412 | } |
3413 | p[-1] = '\0'; | |
26a7d938 | 3414 | return buf; |
0f113f3e MC |
3415 | } |
3416 | ||
7955c1f1 MC |
3417 | /** |
3418 | * Return the requested servername (SNI) value. Note that the behaviour varies | |
3419 | * depending on: | |
3420 | * - whether this is called by the client or the server, | |
3421 | * - if we are before or during/after the handshake, | |
3422 | * - if a resumption or normal handshake is being attempted/has occurred | |
3423 | * - whether we have negotiated TLSv1.2 (or below) or TLSv1.3 | |
38b051a1 | 3424 | * |
7955c1f1 | 3425 | * Note that only the host_name type is defined (RFC 3546). |
ed3883d2 | 3426 | */ |
f1fd4544 | 3427 | const char *SSL_get_servername(const SSL *s, const int type) |
0f113f3e | 3428 | { |
38b051a1 TM |
3429 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
3430 | int server; | |
3431 | ||
3432 | if (sc == NULL) | |
3433 | return NULL; | |
3434 | ||
7955c1f1 MC |
3435 | /* |
3436 | * If we don't know if we are the client or the server yet then we assume | |
3437 | * client. | |
3438 | */ | |
38b051a1 TM |
3439 | server = sc->handshake_func == NULL ? 0 : sc->server; |
3440 | ||
0f113f3e MC |
3441 | if (type != TLSEXT_NAMETYPE_host_name) |
3442 | return NULL; | |
a13c20f6 | 3443 | |
7955c1f1 MC |
3444 | if (server) { |
3445 | /** | |
3446 | * Server side | |
3447 | * In TLSv1.3 on the server SNI is not associated with the session | |
3448 | * but in TLSv1.2 or below it is. | |
3449 | * | |
3450 | * Before the handshake: | |
3451 | * - return NULL | |
3452 | * | |
3453 | * During/after the handshake (TLSv1.2 or below resumption occurred): | |
3454 | * - If a servername was accepted by the server in the original | |
3455 | * handshake then it will return that servername, or NULL otherwise. | |
3456 | * | |
3457 | * During/after the handshake (TLSv1.2 or below resumption did not occur): | |
3458 | * - The function will return the servername requested by the client in | |
3459 | * this handshake or NULL if none was requested. | |
3460 | */ | |
38b051a1 TM |
3461 | if (sc->hit && !SSL_CONNECTION_IS_TLS13(sc)) |
3462 | return sc->session->ext.hostname; | |
7955c1f1 MC |
3463 | } else { |
3464 | /** | |
3465 | * Client side | |
3466 | * | |
3467 | * Before the handshake: | |
3468 | * - If a servername has been set via a call to | |
3469 | * SSL_set_tlsext_host_name() then it will return that servername | |
3470 | * - If one has not been set, but a TLSv1.2 resumption is being | |
3471 | * attempted and the session from the original handshake had a | |
3472 | * servername accepted by the server then it will return that | |
3473 | * servername | |
3474 | * - Otherwise it returns NULL | |
3475 | * | |
3476 | * During/after the handshake (TLSv1.2 or below resumption occurred): | |
9f7505ab | 3477 | * - If the session from the original handshake had a servername accepted |
7955c1f1 MC |
3478 | * by the server then it will return that servername. |
3479 | * - Otherwise it returns the servername set via | |
3480 | * SSL_set_tlsext_host_name() (or NULL if it was not called). | |
3481 | * | |
3482 | * During/after the handshake (TLSv1.2 or below resumption did not occur): | |
3483 | * - It will return the servername set via SSL_set_tlsext_host_name() | |
3484 | * (or NULL if it was not called). | |
3485 | */ | |
3486 | if (SSL_in_before(s)) { | |
38b051a1 TM |
3487 | if (sc->ext.hostname == NULL |
3488 | && sc->session != NULL | |
3489 | && sc->session->ssl_version != TLS1_3_VERSION) | |
3490 | return sc->session->ext.hostname; | |
7955c1f1 | 3491 | } else { |
38b051a1 TM |
3492 | if (!SSL_CONNECTION_IS_TLS13(sc) && sc->hit |
3493 | && sc->session->ext.hostname != NULL) | |
3494 | return sc->session->ext.hostname; | |
7955c1f1 MC |
3495 | } |
3496 | } | |
3497 | ||
38b051a1 | 3498 | return sc->ext.hostname; |
0f113f3e | 3499 | } |
ed3883d2 | 3500 | |
f1fd4544 | 3501 | int SSL_get_servername_type(const SSL *s) |
0f113f3e | 3502 | { |
7955c1f1 | 3503 | if (SSL_get_servername(s, TLSEXT_NAMETYPE_host_name) != NULL) |
0f113f3e MC |
3504 | return TLSEXT_NAMETYPE_host_name; |
3505 | return -1; | |
3506 | } | |
ee2ffc27 | 3507 | |
0f113f3e MC |
3508 | /* |
3509 | * SSL_select_next_proto implements the standard protocol selection. It is | |
ee2ffc27 | 3510 | * expected that this function is called from the callback set by |
0f113f3e MC |
3511 | * SSL_CTX_set_next_proto_select_cb. The protocol data is assumed to be a |
3512 | * vector of 8-bit, length prefixed byte strings. The length byte itself is | |
3513 | * not included in the length. A byte string of length 0 is invalid. No byte | |
3514 | * string may be truncated. The current, but experimental algorithm for | |
3515 | * selecting the protocol is: 1) If the server doesn't support NPN then this | |
3516 | * is indicated to the callback. In this case, the client application has to | |
3517 | * abort the connection or have a default application level protocol. 2) If | |
3518 | * the server supports NPN, but advertises an empty list then the client | |
f430ba31 | 3519 | * selects the first protocol in its list, but indicates via the API that this |
0f113f3e MC |
3520 | * fallback case was enacted. 3) Otherwise, the client finds the first |
3521 | * protocol in the server's list that it supports and selects this protocol. | |
3522 | * This is because it's assumed that the server has better information about | |
3523 | * which protocol a client should use. 4) If the client doesn't support any | |
3524 | * of the server's advertised protocols, then this is treated the same as | |
3525 | * case 2. It returns either OPENSSL_NPN_NEGOTIATED if a common protocol was | |
3526 | * found, or OPENSSL_NPN_NO_OVERLAP if the fallback case was reached. | |
ee2ffc27 | 3527 | */ |
0f113f3e MC |
3528 | int SSL_select_next_proto(unsigned char **out, unsigned char *outlen, |
3529 | const unsigned char *server, | |
3530 | unsigned int server_len, | |
a230b26e | 3531 | const unsigned char *client, unsigned int client_len) |
0f113f3e MC |
3532 | { |
3533 | unsigned int i, j; | |
3534 | const unsigned char *result; | |
3535 | int status = OPENSSL_NPN_UNSUPPORTED; | |
3536 | ||
3537 | /* | |
3538 | * For each protocol in server preference order, see if we support it. | |
3539 | */ | |
3540 | for (i = 0; i < server_len;) { | |
3541 | for (j = 0; j < client_len;) { | |
3542 | if (server[i] == client[j] && | |
3543 | memcmp(&server[i + 1], &client[j + 1], server[i]) == 0) { | |
3544 | /* We found a match */ | |
3545 | result = &server[i]; | |
3546 | status = OPENSSL_NPN_NEGOTIATED; | |
3547 | goto found; | |
3548 | } | |
3549 | j += client[j]; | |
3550 | j++; | |
3551 | } | |
3552 | i += server[i]; | |
3553 | i++; | |
3554 | } | |
3555 | ||
3556 | /* There's no overlap between our protocols and the server's list. */ | |
3557 | result = client; | |
3558 | status = OPENSSL_NPN_NO_OVERLAP; | |
3559 | ||
3560 | found: | |
3561 | *out = (unsigned char *)result + 1; | |
3562 | *outlen = result[0]; | |
3563 | return status; | |
3564 | } | |
ee2ffc27 | 3565 | |
e481f9b9 | 3566 | #ifndef OPENSSL_NO_NEXTPROTONEG |
0f113f3e MC |
3567 | /* |
3568 | * SSL_get0_next_proto_negotiated sets *data and *len to point to the | |
3569 | * client's requested protocol for this connection and returns 0. If the | |
3570 | * client didn't request any protocol, then *data is set to NULL. Note that | |
3571 | * the client can request any protocol it chooses. The value returned from | |
3572 | * this function need not be a member of the list of supported protocols | |
ee2ffc27 BL |
3573 | * provided by the callback. |
3574 | */ | |
0f113f3e MC |
3575 | void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data, |
3576 | unsigned *len) | |
3577 | { | |
38b051a1 TM |
3578 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
3579 | ||
3580 | if (sc == NULL) { | |
3581 | /* We have no other way to indicate error */ | |
3582 | *data = NULL; | |
3583 | *len = 0; | |
3584 | return; | |
3585 | } | |
3586 | ||
3587 | *data = sc->ext.npn; | |
12a765a5 | 3588 | if (*data == NULL) { |
0f113f3e MC |
3589 | *len = 0; |
3590 | } else { | |
38b051a1 | 3591 | *len = (unsigned int)sc->ext.npn_len; |
0f113f3e MC |
3592 | } |
3593 | } | |
3594 | ||
3595 | /* | |
aff8c126 | 3596 | * SSL_CTX_set_npn_advertised_cb sets a callback that is called when |
0f113f3e MC |
3597 | * a TLS server needs a list of supported protocols for Next Protocol |
3598 | * Negotiation. The returned list must be in wire format. The list is | |
3599 | * returned by setting |out| to point to it and |outlen| to its length. This | |
3600 | * memory will not be modified, but one should assume that the SSL* keeps a | |
3601 | * reference to it. The callback should return SSL_TLSEXT_ERR_OK if it | |
3602 | * wishes to advertise. Otherwise, no such extension will be included in the | |
3603 | * ServerHello. | |
3604 | */ | |
aff8c126 | 3605 | void SSL_CTX_set_npn_advertised_cb(SSL_CTX *ctx, |
8cbfcc70 | 3606 | SSL_CTX_npn_advertised_cb_func cb, |
aff8c126 | 3607 | void *arg) |
0f113f3e | 3608 | { |
68dbff4c HL |
3609 | if (IS_QUIC_CTX(ctx)) |
3610 | /* NPN not allowed for QUIC */ | |
3611 | return; | |
3612 | ||
aff8c126 RS |
3613 | ctx->ext.npn_advertised_cb = cb; |
3614 | ctx->ext.npn_advertised_cb_arg = arg; | |
0f113f3e MC |
3615 | } |
3616 | ||
3617 | /* | |
3618 | * SSL_CTX_set_next_proto_select_cb sets a callback that is called when a | |
ee2ffc27 BL |
3619 | * client needs to select a protocol from the server's provided list. |out| |
3620 | * must be set to point to the selected protocol (which may be within |in|). | |
0f113f3e MC |
3621 | * The length of the protocol name must be written into |outlen|. The |
3622 | * server's advertised protocols are provided in |in| and |inlen|. The | |
3623 | * callback can assume that |in| is syntactically valid. The client must | |
3624 | * select a protocol. It is fatal to the connection if this callback returns | |
3625 | * a value other than SSL_TLSEXT_ERR_OK. | |
ee2ffc27 | 3626 | */ |
aff8c126 | 3627 | void SSL_CTX_set_npn_select_cb(SSL_CTX *ctx, |
8cbfcc70 | 3628 | SSL_CTX_npn_select_cb_func cb, |
aff8c126 | 3629 | void *arg) |
0f113f3e | 3630 | { |
68dbff4c HL |
3631 | if (IS_QUIC_CTX(ctx)) |
3632 | /* NPN not allowed for QUIC */ | |
3633 | return; | |
3634 | ||
aff8c126 RS |
3635 | ctx->ext.npn_select_cb = cb; |
3636 | ctx->ext.npn_select_cb_arg = arg; | |
0f113f3e | 3637 | } |
e481f9b9 | 3638 | #endif |
a398f821 | 3639 | |
feba11cf TS |
3640 | static int alpn_value_ok(const unsigned char *protos, unsigned int protos_len) |
3641 | { | |
3642 | unsigned int idx; | |
3643 | ||
3644 | if (protos_len < 2 || protos == NULL) | |
3645 | return 0; | |
3646 | ||
3647 | for (idx = 0; idx < protos_len; idx += protos[idx] + 1) { | |
3648 | if (protos[idx] == 0) | |
3649 | return 0; | |
3650 | } | |
3651 | return idx == protos_len; | |
3652 | } | |
0f113f3e MC |
3653 | /* |
3654 | * SSL_CTX_set_alpn_protos sets the ALPN protocol list on |ctx| to |protos|. | |
6f017a8f | 3655 | * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit |
0f113f3e MC |
3656 | * length-prefixed strings). Returns 0 on success. |
3657 | */ | |
3658 | int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char *protos, | |
817cd0d5 | 3659 | unsigned int protos_len) |
0f113f3e | 3660 | { |
feba11cf TS |
3661 | unsigned char *alpn; |
3662 | ||
3663 | if (protos_len == 0 || protos == NULL) { | |
3664 | OPENSSL_free(ctx->ext.alpn); | |
3665 | ctx->ext.alpn = NULL; | |
39a14059 | 3666 | ctx->ext.alpn_len = 0; |
feba11cf TS |
3667 | return 0; |
3668 | } | |
3669 | /* Not valid per RFC */ | |
3670 | if (!alpn_value_ok(protos, protos_len)) | |
3671 | return 1; | |
3672 | ||
3673 | alpn = OPENSSL_memdup(protos, protos_len); | |
e077455e | 3674 | if (alpn == NULL) |
0f113f3e | 3675 | return 1; |
feba11cf TS |
3676 | OPENSSL_free(ctx->ext.alpn); |
3677 | ctx->ext.alpn = alpn; | |
aff8c126 | 3678 | ctx->ext.alpn_len = protos_len; |
0f113f3e MC |
3679 | |
3680 | return 0; | |
3681 | } | |
3682 | ||
3683 | /* | |
3684 | * SSL_set_alpn_protos sets the ALPN protocol list on |ssl| to |protos|. | |
6f017a8f | 3685 | * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit |
0f113f3e MC |
3686 | * length-prefixed strings). Returns 0 on success. |
3687 | */ | |
3688 | int SSL_set_alpn_protos(SSL *ssl, const unsigned char *protos, | |
817cd0d5 | 3689 | unsigned int protos_len) |
0f113f3e | 3690 | { |
feba11cf | 3691 | unsigned char *alpn; |
38b051a1 TM |
3692 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
3693 | ||
3694 | if (sc == NULL) | |
3695 | return 1; | |
feba11cf TS |
3696 | |
3697 | if (protos_len == 0 || protos == NULL) { | |
38b051a1 TM |
3698 | OPENSSL_free(sc->ext.alpn); |
3699 | sc->ext.alpn = NULL; | |
3700 | sc->ext.alpn_len = 0; | |
feba11cf TS |
3701 | return 0; |
3702 | } | |
3703 | /* Not valid per RFC */ | |
3704 | if (!alpn_value_ok(protos, protos_len)) | |
3705 | return 1; | |
3706 | ||
3707 | alpn = OPENSSL_memdup(protos, protos_len); | |
e077455e | 3708 | if (alpn == NULL) |
0f113f3e | 3709 | return 1; |
38b051a1 TM |
3710 | OPENSSL_free(sc->ext.alpn); |
3711 | sc->ext.alpn = alpn; | |
3712 | sc->ext.alpn_len = protos_len; | |
0f113f3e MC |
3713 | |
3714 | return 0; | |
3715 | } | |
3716 | ||
3717 | /* | |
3718 | * SSL_CTX_set_alpn_select_cb sets a callback function on |ctx| that is | |
3719 | * called during ClientHello processing in order to select an ALPN protocol | |
3720 | * from the client's list of offered protocols. | |
3721 | */ | |
3722 | void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx, | |
8cbfcc70 RS |
3723 | SSL_CTX_alpn_select_cb_func cb, |
3724 | void *arg) | |
0f113f3e | 3725 | { |
aff8c126 RS |
3726 | ctx->ext.alpn_select_cb = cb; |
3727 | ctx->ext.alpn_select_cb_arg = arg; | |
0f113f3e MC |
3728 | } |
3729 | ||
3730 | /* | |
69687aa8 F |
3731 | * SSL_get0_alpn_selected gets the selected ALPN protocol (if any) from |ssl|. |
3732 | * On return it sets |*data| to point to |*len| bytes of protocol name | |
0f113f3e MC |
3733 | * (not including the leading length-prefix byte). If the server didn't |
3734 | * respond with a negotiated protocol then |*len| will be zero. | |
3735 | */ | |
6f017a8f | 3736 | void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data, |
817cd0d5 | 3737 | unsigned int *len) |
0f113f3e | 3738 | { |
38b051a1 TM |
3739 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl); |
3740 | ||
3741 | if (sc == NULL) { | |
3742 | /* We have no other way to indicate error */ | |
3743 | *data = NULL; | |
3744 | *len = 0; | |
3745 | return; | |
3746 | } | |
3747 | ||
3748 | *data = sc->s3.alpn_selected; | |
0f113f3e MC |
3749 | if (*data == NULL) |
3750 | *len = 0; | |
3751 | else | |
38b051a1 | 3752 | *len = (unsigned int)sc->s3.alpn_selected_len; |
0f113f3e MC |
3753 | } |
3754 | ||
74b4b494 | 3755 | int SSL_export_keying_material(SSL *s, unsigned char *out, size_t olen, |
0f113f3e | 3756 | const char *label, size_t llen, |
23cec1f4 | 3757 | const unsigned char *context, size_t contextlen, |
0f113f3e MC |
3758 | int use_context) |
3759 | { | |
38b051a1 TM |
3760 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
3761 | ||
3762 | if (sc == NULL) | |
3763 | return -1; | |
3764 | ||
3765 | if (sc->session == NULL | |
3766 | || (sc->version < TLS1_VERSION && sc->version != DTLS1_BAD_VER)) | |
0f113f3e | 3767 | return -1; |
e0af0405 | 3768 | |
12c0d72c HL |
3769 | return sc->ssl.method->ssl3_enc->export_keying_material(sc, out, olen, label, |
3770 | llen, context, | |
3771 | contextlen, | |
3772 | use_context); | |
0f113f3e | 3773 | } |
e0af0405 | 3774 | |
b38ede80 TT |
3775 | int SSL_export_keying_material_early(SSL *s, unsigned char *out, size_t olen, |
3776 | const char *label, size_t llen, | |
3777 | const unsigned char *context, | |
3778 | size_t contextlen) | |
3779 | { | |
38b051a1 TM |
3780 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
3781 | ||
3782 | if (sc == NULL) | |
3783 | return -1; | |
3784 | ||
3785 | if (sc->version != TLS1_3_VERSION) | |
b38ede80 TT |
3786 | return 0; |
3787 | ||
38b051a1 | 3788 | return tls13_export_keying_material_early(sc, out, olen, label, llen, |
b38ede80 TT |
3789 | context, contextlen); |
3790 | } | |
3791 | ||
3c1d6bbc | 3792 | static unsigned long ssl_session_hash(const SSL_SESSION *a) |
0f113f3e | 3793 | { |
bd5d27c1 | 3794 | const unsigned char *session_id = a->session_id; |
0f113f3e | 3795 | unsigned long l; |
bd5d27c1 DB |
3796 | unsigned char tmp_storage[4]; |
3797 | ||
3798 | if (a->session_id_length < sizeof(tmp_storage)) { | |
3799 | memset(tmp_storage, 0, sizeof(tmp_storage)); | |
3800 | memcpy(tmp_storage, a->session_id, a->session_id_length); | |
3801 | session_id = tmp_storage; | |
3802 | } | |
0f113f3e MC |
3803 | |
3804 | l = (unsigned long) | |
bd5d27c1 DB |
3805 | ((unsigned long)session_id[0]) | |
3806 | ((unsigned long)session_id[1] << 8L) | | |
3807 | ((unsigned long)session_id[2] << 16L) | | |
3808 | ((unsigned long)session_id[3] << 24L); | |
26a7d938 | 3809 | return l; |
0f113f3e MC |
3810 | } |
3811 | ||
3812 | /* | |
3813 | * NB: If this function (or indeed the hash function which uses a sort of | |
dc644fe2 | 3814 | * coarser function than this one) is changed, ensure |
0f113f3e MC |
3815 | * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on |
3816 | * being able to construct an SSL_SESSION that will collide with any existing | |
3817 | * session with a matching session ID. | |
3818 | */ | |
3819 | static int ssl_session_cmp(const SSL_SESSION *a, const SSL_SESSION *b) | |
3820 | { | |
3821 | if (a->ssl_version != b->ssl_version) | |
208fb891 | 3822 | return 1; |
0f113f3e | 3823 | if (a->session_id_length != b->session_id_length) |
208fb891 | 3824 | return 1; |
26a7d938 | 3825 | return memcmp(a->session_id, b->session_id, a->session_id_length); |
0f113f3e MC |
3826 | } |
3827 | ||
3828 | /* | |
3829 | * These wrapper functions should remain rather than redeclaring | |
d0fa136c | 3830 | * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each |
0f113f3e MC |
3831 | * variable. The reason is that the functions aren't static, they're exposed |
3832 | * via ssl.h. | |
3833 | */ | |
97b17195 | 3834 | |
b4250010 | 3835 | SSL_CTX *SSL_CTX_new_ex(OSSL_LIB_CTX *libctx, const char *propq, |
d8652be0 | 3836 | const SSL_METHOD *meth) |
0f113f3e MC |
3837 | { |
3838 | SSL_CTX *ret = NULL; | |
b67cb09f TS |
3839 | #ifndef OPENSSL_NO_COMP_ALG |
3840 | int i; | |
3841 | #endif | |
0f113f3e MC |
3842 | |
3843 | if (meth == NULL) { | |
6849b73c | 3844 | ERR_raise(ERR_LIB_SSL, SSL_R_NULL_SSL_METHOD_PASSED); |
26a7d938 | 3845 | return NULL; |
0f113f3e MC |
3846 | } |
3847 | ||
0fc32b07 MC |
3848 | if (!OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, NULL)) |
3849 | return NULL; | |
7fa792d1 | 3850 | |
97beb77f | 3851 | /* Doing this for the run once effect */ |
0f113f3e | 3852 | if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) { |
6849b73c | 3853 | ERR_raise(ERR_LIB_SSL, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS); |
0f113f3e MC |
3854 | goto err; |
3855 | } | |
43a07d6d | 3856 | |
b51bce94 | 3857 | ret = OPENSSL_zalloc(sizeof(*ret)); |
0f113f3e | 3858 | if (ret == NULL) |
97beb77f | 3859 | return NULL; |
0f113f3e | 3860 | |
045a8930 | 3861 | /* Init the reference counting before any call to SSL_CTX_free */ |
97beb77f P |
3862 | if (!CRYPTO_NEW_REF(&ret->references, 1)) { |
3863 | OPENSSL_free(ret); | |
3864 | return NULL; | |
3865 | } | |
43a07d6d | 3866 | |
045a8930 F |
3867 | ret->lock = CRYPTO_THREAD_lock_new(); |
3868 | if (ret->lock == NULL) { | |
e077455e RL |
3869 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
3870 | goto err; | |
045a8930 F |
3871 | } |
3872 | ||
acce0557 P |
3873 | #ifdef TSAN_REQUIRES_LOCKING |
3874 | ret->tsan_lock = CRYPTO_THREAD_lock_new(); | |
3875 | if (ret->tsan_lock == NULL) { | |
e077455e | 3876 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
acce0557 P |
3877 | goto err; |
3878 | } | |
3879 | #endif | |
3880 | ||
ba18627e MC |
3881 | ret->libctx = libctx; |
3882 | if (propq != NULL) { | |
3883 | ret->propq = OPENSSL_strdup(propq); | |
3884 | if (ret->propq == NULL) | |
3885 | goto err; | |
3886 | } | |
3887 | ||
0f113f3e | 3888 | ret->method = meth; |
7946ab33 KR |
3889 | ret->min_proto_version = 0; |
3890 | ret->max_proto_version = 0; | |
693cf80c | 3891 | ret->mode = SSL_MODE_AUTO_RETRY; |
0f113f3e MC |
3892 | ret->session_cache_mode = SSL_SESS_CACHE_SERVER; |
3893 | ret->session_cache_size = SSL_SESSION_CACHE_MAX_SIZE_DEFAULT; | |
64b25758 | 3894 | /* We take the system default. */ |
0f113f3e | 3895 | ret->session_timeout = meth->get_timeout(); |
0f113f3e | 3896 | ret->max_cert_list = SSL_MAX_CERT_LIST_DEFAULT; |
0f113f3e | 3897 | ret->verify_mode = SSL_VERIFY_NONE; |
0f113f3e | 3898 | |
62d0577e | 3899 | ret->sessions = lh_SSL_SESSION_new(ssl_session_hash, ssl_session_cmp); |
e077455e RL |
3900 | if (ret->sessions == NULL) { |
3901 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); | |
0f113f3e | 3902 | goto err; |
e077455e | 3903 | } |
0f113f3e | 3904 | ret->cert_store = X509_STORE_new(); |
e077455e RL |
3905 | if (ret->cert_store == NULL) { |
3906 | ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB); | |
0f113f3e | 3907 | goto err; |
e077455e | 3908 | } |
ed29e82a | 3909 | #ifndef OPENSSL_NO_CT |
d8652be0 | 3910 | ret->ctlog_store = CTLOG_STORE_new_ex(libctx, propq); |
e077455e RL |
3911 | if (ret->ctlog_store == NULL) { |
3912 | ERR_raise(ERR_LIB_SSL, ERR_R_CT_LIB); | |
ed29e82a | 3913 | goto err; |
e077455e | 3914 | } |
ed29e82a | 3915 | #endif |
f865b081 | 3916 | |
c8f6c28a | 3917 | /* initialize cipher/digest methods table */ |
ee58915c MB |
3918 | if (!ssl_load_ciphers(ret)) { |
3919 | ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB); | |
e077455e | 3920 | goto err; |
ee58915c MB |
3921 | } |
3922 | ||
3923 | if (!ssl_load_groups(ret)) { | |
3924 | ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB); | |
3925 | goto err; | |
3926 | } | |
3927 | ||
3928 | /* load provider sigalgs */ | |
3929 | if (!ssl_load_sigalgs(ret)) { | |
3930 | ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB); | |
e077455e | 3931 | goto err; |
ee58915c | 3932 | } |
c8f6c28a | 3933 | |
ee58915c MB |
3934 | /* initialise sig algs */ |
3935 | if (!ssl_setup_sigalgs(ret)) { | |
3936 | ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB); | |
e077455e | 3937 | goto err; |
ee58915c | 3938 | } |
9d2d857f | 3939 | |
e077455e RL |
3940 | if (!SSL_CTX_set_ciphersuites(ret, OSSL_default_ciphersuites())) { |
3941 | ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB); | |
f865b081 | 3942 | goto err; |
e077455e | 3943 | } |
f865b081 | 3944 | |
ee58915c MB |
3945 | if ((ret->cert = ssl_cert_new(SSL_PKEY_NUM + ret->sigalg_list_len)) == NULL) { |
3946 | ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB); | |
3947 | goto err; | |
3948 | } | |
3949 | ||
a68eee67 | 3950 | if (!ssl_create_cipher_list(ret, |
f865b081 | 3951 | ret->tls13_ciphersuites, |
a230b26e | 3952 | &ret->cipher_list, &ret->cipher_list_by_id, |
5d120511 | 3953 | OSSL_default_cipher_list(), ret->cert) |
a230b26e | 3954 | || sk_SSL_CIPHER_num(ret->cipher_list) <= 0) { |
6849b73c | 3955 | ERR_raise(ERR_LIB_SSL, SSL_R_LIBRARY_HAS_NO_CIPHERS); |
e077455e | 3956 | goto err; |
0f113f3e MC |
3957 | } |
3958 | ||
3959 | ret->param = X509_VERIFY_PARAM_new(); | |
e077455e RL |
3960 | if (ret->param == NULL) { |
3961 | ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB); | |
0f113f3e | 3962 | goto err; |
e077455e | 3963 | } |
0f113f3e | 3964 | |
c8f6c28a MC |
3965 | /* |
3966 | * If these aren't available from the provider we'll get NULL returns. | |
3967 | * That's fine but will cause errors later if SSLv3 is negotiated | |
3968 | */ | |
3969 | ret->md5 = ssl_evp_md_fetch(libctx, NID_md5, propq); | |
3970 | ret->sha1 = ssl_evp_md_fetch(libctx, NID_sha1, propq); | |
0f113f3e | 3971 | |
e077455e RL |
3972 | if ((ret->ca_names = sk_X509_NAME_new_null()) == NULL) { |
3973 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); | |
0f113f3e | 3974 | goto err; |
e077455e | 3975 | } |
0f113f3e | 3976 | |
e077455e RL |
3977 | if ((ret->client_ca_names = sk_X509_NAME_new_null()) == NULL) { |
3978 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); | |
98732979 | 3979 | goto err; |
e077455e | 3980 | } |
98732979 | 3981 | |
e077455e RL |
3982 | if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data)) { |
3983 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); | |
25a807bc | 3984 | goto err; |
e077455e | 3985 | } |
0f113f3e | 3986 | |
4bfb96f2 TS |
3987 | if ((ret->ext.secure = OPENSSL_secure_zalloc(sizeof(*ret->ext.secure))) == NULL) |
3988 | goto err; | |
3989 | ||
0f113f3e MC |
3990 | /* No compression for DTLS */ |
3991 | if (!(meth->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS)) | |
3992 | ret->comp_methods = SSL_COMP_get_compression_methods(); | |
3993 | ||
3994 | ret->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; | |
d102d9df | 3995 | ret->split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; |
566dda07 | 3996 | |
4e2e1ec9 | 3997 | /* Setup RFC5077 ticket keys */ |
8f21260b | 3998 | if ((RAND_bytes_ex(libctx, ret->ext.tick_key_name, |
0f8815aa | 3999 | sizeof(ret->ext.tick_key_name), 0) <= 0) |
8f21260b | 4000 | || (RAND_priv_bytes_ex(libctx, ret->ext.secure->tick_hmac_key, |
0f8815aa | 4001 | sizeof(ret->ext.secure->tick_hmac_key), 0) <= 0) |
8f21260b | 4002 | || (RAND_priv_bytes_ex(libctx, ret->ext.secure->tick_aes_key, |
0f8815aa | 4003 | sizeof(ret->ext.secure->tick_aes_key), 0) <= 0)) |
0f113f3e | 4004 | ret->options |= SSL_OP_NO_TICKET; |
6434abbf | 4005 | |
8f21260b | 4006 | if (RAND_priv_bytes_ex(libctx, ret->ext.cookie_hmac_key, |
e077455e RL |
4007 | sizeof(ret->ext.cookie_hmac_key), 0) <= 0) { |
4008 | ERR_raise(ERR_LIB_SSL, ERR_R_RAND_LIB); | |
43054d3d | 4009 | goto err; |
e077455e | 4010 | } |
43054d3d | 4011 | |
edc032b5 | 4012 | #ifndef OPENSSL_NO_SRP |
e077455e RL |
4013 | if (!ssl_ctx_srp_ctx_init_intern(ret)) { |
4014 | ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB); | |
69f68237 | 4015 | goto err; |
e077455e | 4016 | } |
edc032b5 | 4017 | #endif |
4db9677b | 4018 | #ifndef OPENSSL_NO_ENGINE |
0f113f3e MC |
4019 | # ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO |
4020 | # define eng_strx(x) #x | |
4021 | # define eng_str(x) eng_strx(x) | |
4022 | /* Use specific client engine automatically... ignore errors */ | |
4023 | { | |
4024 | ENGINE *eng; | |
4025 | eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO)); | |
4026 | if (!eng) { | |
4027 | ERR_clear_error(); | |
4028 | ENGINE_load_builtin_engines(); | |
4029 | eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO)); | |
4030 | } | |
4031 | if (!eng || !SSL_CTX_set_client_cert_engine(ret, eng)) | |
4032 | ERR_clear_error(); | |
4033 | } | |
4034 | # endif | |
b67cb09f TS |
4035 | #endif |
4036 | ||
4037 | #ifndef OPENSSL_NO_COMP_ALG | |
4038 | /* | |
4039 | * Set the default order: brotli, zlib, zstd | |
4040 | * Including only those enabled algorithms | |
4041 | */ | |
4042 | memset(ret->cert_comp_prefs, 0, sizeof(ret->cert_comp_prefs)); | |
4043 | i = 0; | |
4044 | if (ossl_comp_has_alg(TLSEXT_comp_cert_brotli)) | |
4045 | ret->cert_comp_prefs[i++] = TLSEXT_comp_cert_brotli; | |
4046 | if (ossl_comp_has_alg(TLSEXT_comp_cert_zlib)) | |
4047 | ret->cert_comp_prefs[i++] = TLSEXT_comp_cert_zlib; | |
4048 | if (ossl_comp_has_alg(TLSEXT_comp_cert_zstd)) | |
4049 | ret->cert_comp_prefs[i++] = TLSEXT_comp_cert_zstd; | |
0f113f3e | 4050 | #endif |
dc5744cb EK |
4051 | /* |
4052 | * Disable compression by default to prevent CRIME. Applications can | |
4053 | * re-enable compression by configuring | |
4054 | * SSL_CTX_clear_options(ctx, SSL_OP_NO_COMPRESSION); | |
a5816a5a MC |
4055 | * or by using the SSL_CONF library. Similarly we also enable TLSv1.3 |
4056 | * middlebox compatibility by default. This may be disabled by default in | |
4057 | * a later OpenSSL version. | |
dc5744cb | 4058 | */ |
a5816a5a | 4059 | ret->options |= SSL_OP_NO_COMPRESSION | SSL_OP_ENABLE_MIDDLEBOX_COMPAT; |
0f113f3e | 4060 | |
aff8c126 | 4061 | ret->ext.status_type = TLSEXT_STATUSTYPE_nothing; |
ba261f71 | 4062 | |
bfa9a9af | 4063 | /* |
c39e4048 BK |
4064 | * We cannot usefully set a default max_early_data here (which gets |
4065 | * propagated in SSL_new(), for the following reason: setting the | |
4066 | * SSL field causes tls_construct_stoc_early_data() to tell the | |
4067 | * client that early data will be accepted when constructing a TLS 1.3 | |
4068 | * session ticket, and the client will accordingly send us early data | |
4069 | * when using that ticket (if the client has early data to send). | |
4070 | * However, in order for the early data to actually be consumed by | |
4071 | * the application, the application must also have calls to | |
4072 | * SSL_read_early_data(); otherwise we'll just skip past the early data | |
4073 | * and ignore it. So, since the application must add calls to | |
4074 | * SSL_read_early_data(), we also require them to add | |
4075 | * calls to SSL_CTX_set_max_early_data() in order to use early data, | |
4076 | * eliminating the bandwidth-wasting early data in the case described | |
4077 | * above. | |
bfa9a9af | 4078 | */ |
c39e4048 | 4079 | ret->max_early_data = 0; |
bfa9a9af | 4080 | |
4e8548e8 MC |
4081 | /* |
4082 | * Default recv_max_early_data is a fully loaded single record. Could be | |
4083 | * split across multiple records in practice. We set this differently to | |
4084 | * max_early_data so that, in the default case, we do not advertise any | |
4085 | * support for early_data, but if a client were to send us some (e.g. | |
4086 | * because of an old, stale ticket) then we will tolerate it and skip over | |
4087 | * it. | |
4088 | */ | |
4089 | ret->recv_max_early_data = SSL3_RT_MAX_PLAIN_LENGTH; | |
4090 | ||
36ff232c MC |
4091 | /* By default we send two session tickets automatically in TLSv1.3 */ |
4092 | ret->num_tickets = 2; | |
9d0a8bb7 | 4093 | |
8a5ed9dc TM |
4094 | ssl_ctx_system_config(ret); |
4095 | ||
16203f7b | 4096 | return ret; |
0f113f3e | 4097 | err: |
e0e920b1 | 4098 | SSL_CTX_free(ret); |
16203f7b | 4099 | return NULL; |
0f113f3e | 4100 | } |
d02b48c6 | 4101 | |
ba18627e MC |
4102 | SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth) |
4103 | { | |
d8652be0 | 4104 | return SSL_CTX_new_ex(NULL, NULL, meth); |
ba18627e MC |
4105 | } |
4106 | ||
c5ebfcab | 4107 | int SSL_CTX_up_ref(SSL_CTX *ctx) |
a18a31e4 | 4108 | { |
16203f7b | 4109 | int i; |
c5ebfcab | 4110 | |
43a07d6d | 4111 | if (CRYPTO_UP_REF(&ctx->references, &i) <= 0) |
c5ebfcab F |
4112 | return 0; |
4113 | ||
4114 | REF_PRINT_COUNT("SSL_CTX", ctx); | |
4115 | REF_ASSERT_ISNT(i < 2); | |
4116 | return ((i > 1) ? 1 : 0); | |
a18a31e4 MC |
4117 | } |
4118 | ||
4f43d0e7 | 4119 | void SSL_CTX_free(SSL_CTX *a) |
0f113f3e MC |
4120 | { |
4121 | int i; | |
9d2d857f | 4122 | size_t j; |
d02b48c6 | 4123 | |
0f113f3e MC |
4124 | if (a == NULL) |
4125 | return; | |
d02b48c6 | 4126 | |
43a07d6d | 4127 | CRYPTO_DOWN_REF(&a->references, &i); |
f3f1cf84 | 4128 | REF_PRINT_COUNT("SSL_CTX", a); |
0f113f3e MC |
4129 | if (i > 0) |
4130 | return; | |
f3f1cf84 | 4131 | REF_ASSERT_ISNT(i < 0); |
0f113f3e | 4132 | |
222561fe | 4133 | X509_VERIFY_PARAM_free(a->param); |
919ba009 | 4134 | dane_ctx_final(&a->dane); |
0f113f3e MC |
4135 | |
4136 | /* | |
4137 | * Free internal session cache. However: the remove_cb() may reference | |
4138 | * the ex_data of SSL_CTX, thus the ex_data store can only be removed | |
4139 | * after the sessions were flushed. | |
4140 | * As the ex_data handling routines might also touch the session cache, | |
4141 | * the most secure solution seems to be: empty (flush) the cache, then | |
4142 | * free ex_data, then finally free the cache. | |
4143 | * (See ticket [openssl.org #212].) | |
4144 | */ | |
4145 | if (a->sessions != NULL) | |
4146 | SSL_CTX_flush_sessions(a, 0); | |
4147 | ||
4148 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data); | |
25aaa98a | 4149 | lh_SSL_SESSION_free(a->sessions); |
222561fe | 4150 | X509_STORE_free(a->cert_store); |
ed29e82a RP |
4151 | #ifndef OPENSSL_NO_CT |
4152 | CTLOG_STORE_free(a->ctlog_store); | |
4153 | #endif | |
25aaa98a RS |
4154 | sk_SSL_CIPHER_free(a->cipher_list); |
4155 | sk_SSL_CIPHER_free(a->cipher_list_by_id); | |
f865b081 | 4156 | sk_SSL_CIPHER_free(a->tls13_ciphersuites); |
e0e920b1 | 4157 | ssl_cert_free(a->cert); |
fa7c2637 | 4158 | sk_X509_NAME_pop_free(a->ca_names, X509_NAME_free); |
98732979 | 4159 | sk_X509_NAME_pop_free(a->client_ca_names, X509_NAME_free); |
79b2a2f2 | 4160 | OSSL_STACK_OF_X509_free(a->extra_certs); |
0f113f3e | 4161 | a->comp_methods = NULL; |
e783bae2 | 4162 | #ifndef OPENSSL_NO_SRTP |
25aaa98a | 4163 | sk_SRTP_PROTECTION_PROFILE_free(a->srtp_profiles); |
e783bae2 | 4164 | #endif |
edc032b5 | 4165 | #ifndef OPENSSL_NO_SRP |
76cb077f | 4166 | ssl_ctx_srp_ctx_free_intern(a); |
edc032b5 | 4167 | #endif |
bdfe932d | 4168 | #ifndef OPENSSL_NO_ENGINE |
301fcb28 | 4169 | tls_engine_finish(a->client_cert_engine); |
ddac1974 | 4170 | #endif |
8671b898 | 4171 | |
aff8c126 | 4172 | OPENSSL_free(a->ext.ecpointformats); |
187753e0 | 4173 | OPENSSL_free(a->ext.supportedgroups); |
ddf8f1ce | 4174 | OPENSSL_free(a->ext.supported_groups_default); |
aff8c126 | 4175 | OPENSSL_free(a->ext.alpn); |
4bfb96f2 | 4176 | OPENSSL_secure_free(a->ext.secure); |
8671b898 | 4177 | |
c8f6c28a MC |
4178 | ssl_evp_md_free(a->md5); |
4179 | ssl_evp_md_free(a->sha1); | |
4180 | ||
9d2d857f MC |
4181 | for (j = 0; j < SSL_ENC_NUM_IDX; j++) |
4182 | ssl_evp_cipher_free(a->ssl_cipher_methods[j]); | |
4183 | for (j = 0; j < SSL_MD_NUM_IDX; j++) | |
4184 | ssl_evp_md_free(a->ssl_digest_methods[j]); | |
4185 | for (j = 0; j < a->group_list_len; j++) { | |
4186 | OPENSSL_free(a->group_list[j].tlsname); | |
4187 | OPENSSL_free(a->group_list[j].realname); | |
4188 | OPENSSL_free(a->group_list[j].algorithm); | |
4189 | } | |
4190 | OPENSSL_free(a->group_list); | |
ee58915c MB |
4191 | for (j = 0; j < a->sigalg_list_len; j++) { |
4192 | OPENSSL_free(a->sigalg_list[j].name); | |
4193 | OPENSSL_free(a->sigalg_list[j].sigalg_name); | |
4194 | OPENSSL_free(a->sigalg_list[j].sigalg_oid); | |
4195 | OPENSSL_free(a->sigalg_list[j].sig_name); | |
4196 | OPENSSL_free(a->sigalg_list[j].sig_oid); | |
4197 | OPENSSL_free(a->sigalg_list[j].hash_name); | |
4198 | OPENSSL_free(a->sigalg_list[j].hash_oid); | |
4199 | OPENSSL_free(a->sigalg_list[j].keytype); | |
4200 | OPENSSL_free(a->sigalg_list[j].keytype_oid); | |
4201 | } | |
4202 | OPENSSL_free(a->sigalg_list); | |
4203 | OPENSSL_free(a->ssl_cert_info); | |
c8f6c28a | 4204 | |
263ff2c9 | 4205 | OPENSSL_free(a->sigalg_lookup_cache); |
ee58915c | 4206 | OPENSSL_free(a->tls12_sigalgs); |
263ff2c9 | 4207 | |
3c95ef22 TS |
4208 | OPENSSL_free(a->client_cert_type); |
4209 | OPENSSL_free(a->server_cert_type); | |
4210 | ||
16203f7b | 4211 | CRYPTO_THREAD_lock_free(a->lock); |
43a07d6d | 4212 | CRYPTO_FREE_REF(&a->references); |
acce0557 P |
4213 | #ifdef TSAN_REQUIRES_LOCKING |
4214 | CRYPTO_THREAD_lock_free(a->tsan_lock); | |
4215 | #endif | |
16203f7b | 4216 | |
ba18627e | 4217 | OPENSSL_free(a->propq); |
fb1a0bb9 HL |
4218 | #ifndef OPENSSL_NO_QLOG |
4219 | OPENSSL_free(a->qlog_title); | |
4220 | #endif | |
ba18627e | 4221 | |
0f113f3e MC |
4222 | OPENSSL_free(a); |
4223 | } | |
d02b48c6 | 4224 | |
3ae76679 | 4225 | void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb) |
0f113f3e MC |
4226 | { |
4227 | ctx->default_passwd_callback = cb; | |
4228 | } | |
4229 | ||
4230 | void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u) | |
4231 | { | |
4232 | ctx->default_passwd_callback_userdata = u; | |
4233 | } | |
4234 | ||
0c452abc CH |
4235 | pem_password_cb *SSL_CTX_get_default_passwd_cb(SSL_CTX *ctx) |
4236 | { | |
4237 | return ctx->default_passwd_callback; | |
4238 | } | |
4239 | ||
4240 | void *SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX *ctx) | |
4241 | { | |
4242 | return ctx->default_passwd_callback_userdata; | |
4243 | } | |
4244 | ||
a974e64a MC |
4245 | void SSL_set_default_passwd_cb(SSL *s, pem_password_cb *cb) |
4246 | { | |
38b051a1 TM |
4247 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4248 | ||
4249 | if (sc == NULL) | |
4250 | return; | |
4251 | ||
4252 | sc->default_passwd_callback = cb; | |
a974e64a MC |
4253 | } |
4254 | ||
4255 | void SSL_set_default_passwd_cb_userdata(SSL *s, void *u) | |
4256 | { | |
38b051a1 TM |
4257 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4258 | ||
4259 | if (sc == NULL) | |
4260 | return; | |
4261 | ||
4262 | sc->default_passwd_callback_userdata = u; | |
a974e64a MC |
4263 | } |
4264 | ||
0c452abc CH |
4265 | pem_password_cb *SSL_get_default_passwd_cb(SSL *s) |
4266 | { | |
38b051a1 TM |
4267 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4268 | ||
4269 | if (sc == NULL) | |
4270 | return NULL; | |
4271 | ||
4272 | return sc->default_passwd_callback; | |
0c452abc CH |
4273 | } |
4274 | ||
4275 | void *SSL_get_default_passwd_cb_userdata(SSL *s) | |
4276 | { | |
38b051a1 TM |
4277 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4278 | ||
4279 | if (sc == NULL) | |
4280 | return NULL; | |
4281 | ||
4282 | return sc->default_passwd_callback_userdata; | |
0c452abc CH |
4283 | } |
4284 | ||
0f113f3e MC |
4285 | void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, |
4286 | int (*cb) (X509_STORE_CTX *, void *), | |
4287 | void *arg) | |
4288 | { | |
4289 | ctx->app_verify_callback = cb; | |
4290 | ctx->app_verify_arg = arg; | |
4291 | } | |
4292 | ||
4293 | void SSL_CTX_set_verify(SSL_CTX *ctx, int mode, | |
4294 | int (*cb) (int, X509_STORE_CTX *)) | |
4295 | { | |
4296 | ctx->verify_mode = mode; | |
4297 | ctx->default_verify_callback = cb; | |
4298 | } | |
4299 | ||
4300 | void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth) | |
4301 | { | |
4302 | X509_VERIFY_PARAM_set_depth(ctx->param, depth); | |
4303 | } | |
4304 | ||
a230b26e | 4305 | void SSL_CTX_set_cert_cb(SSL_CTX *c, int (*cb) (SSL *ssl, void *arg), void *arg) |
0f113f3e MC |
4306 | { |
4307 | ssl_cert_set_cert_cb(c->cert, cb, arg); | |
4308 | } | |
4309 | ||
4310 | void SSL_set_cert_cb(SSL *s, int (*cb) (SSL *ssl, void *arg), void *arg) | |
4311 | { | |
38b051a1 TM |
4312 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4313 | ||
4314 | if (sc == NULL) | |
4315 | return; | |
4316 | ||
4317 | ssl_cert_set_cert_cb(sc->cert, cb, arg); | |
0f113f3e | 4318 | } |
18d71588 | 4319 | |
38b051a1 | 4320 | void ssl_set_masks(SSL_CONNECTION *s) |
0f113f3e | 4321 | { |
6383d316 | 4322 | CERT *c = s->cert; |
555cbb32 | 4323 | uint32_t *pvalid = s->s3.tmp.valid_flags; |
bc71f910 | 4324 | int rsa_enc, rsa_sign, dh_tmp, dsa_sign; |
361a1191 | 4325 | unsigned long mask_k, mask_a; |
361a1191 | 4326 | int have_ecc_cert, ecdsa_ok; |
462f4f4b | 4327 | |
0f113f3e MC |
4328 | if (c == NULL) |
4329 | return; | |
d02b48c6 | 4330 | |
13c45372 | 4331 | dh_tmp = (c->dh_tmp != NULL |
13c45372 | 4332 | || c->dh_tmp_cb != NULL |
13c45372 | 4333 | || c->dh_tmp_auto); |
d02b48c6 | 4334 | |
d0ff28f8 | 4335 | rsa_enc = pvalid[SSL_PKEY_RSA] & CERT_PKEY_VALID; |
38e8f3cd DSH |
4336 | rsa_sign = pvalid[SSL_PKEY_RSA] & CERT_PKEY_VALID; |
4337 | dsa_sign = pvalid[SSL_PKEY_DSA_SIGN] & CERT_PKEY_VALID; | |
6383d316 | 4338 | have_ecc_cert = pvalid[SSL_PKEY_ECC] & CERT_PKEY_VALID; |
0f113f3e MC |
4339 | mask_k = 0; |
4340 | mask_a = 0; | |
0e1dba93 | 4341 | |
77359d22 RL |
4342 | OSSL_TRACE4(TLS_CIPHER, "dh_tmp=%d rsa_enc=%d rsa_sign=%d dsa_sign=%d\n", |
4343 | dh_tmp, rsa_enc, rsa_sign, dsa_sign); | |
0f113f3e | 4344 | |
2a9b9654 | 4345 | #ifndef OPENSSL_NO_GOST |
4020c0b3 | 4346 | if (ssl_has_cert(s, SSL_PKEY_GOST12_512)) { |
5a5530a2 | 4347 | mask_k |= SSL_kGOST | SSL_kGOST18; |
e44380a9 DB |
4348 | mask_a |= SSL_aGOST12; |
4349 | } | |
4020c0b3 | 4350 | if (ssl_has_cert(s, SSL_PKEY_GOST12_256)) { |
5a5530a2 | 4351 | mask_k |= SSL_kGOST | SSL_kGOST18; |
e44380a9 DB |
4352 | mask_a |= SSL_aGOST12; |
4353 | } | |
4020c0b3 | 4354 | if (ssl_has_cert(s, SSL_PKEY_GOST01)) { |
0f113f3e MC |
4355 | mask_k |= SSL_kGOST; |
4356 | mask_a |= SSL_aGOST01; | |
4357 | } | |
2a9b9654 | 4358 | #endif |
0f113f3e | 4359 | |
361a1191 | 4360 | if (rsa_enc) |
0f113f3e | 4361 | mask_k |= SSL_kRSA; |
d02b48c6 | 4362 | |
0f113f3e MC |
4363 | if (dh_tmp) |
4364 | mask_k |= SSL_kDHE; | |
d02b48c6 | 4365 | |
6aaa29fb DSH |
4366 | /* |
4367 | * If we only have an RSA-PSS certificate allow RSA authentication | |
4368 | * if TLS 1.2 and peer supports it. | |
4369 | */ | |
4370 | ||
4371 | if (rsa_enc || rsa_sign || (ssl_has_cert(s, SSL_PKEY_RSA_PSS_SIGN) | |
4372 | && pvalid[SSL_PKEY_RSA_PSS_SIGN] & CERT_PKEY_EXPLICIT_SIGN | |
38b051a1 | 4373 | && TLS1_get_version(&s->ssl) == TLS1_2_VERSION)) |
0f113f3e | 4374 | mask_a |= SSL_aRSA; |
d02b48c6 | 4375 | |
0f113f3e MC |
4376 | if (dsa_sign) { |
4377 | mask_a |= SSL_aDSS; | |
0f113f3e | 4378 | } |
d02b48c6 | 4379 | |
0f113f3e | 4380 | mask_a |= SSL_aNULL; |
d02b48c6 | 4381 | |
3c95ef22 TS |
4382 | /* |
4383 | * You can do anything with an RPK key, since there's no cert to restrict it | |
4384 | * But we need to check for private keys | |
4385 | */ | |
4386 | if (pvalid[SSL_PKEY_RSA] & CERT_PKEY_RPK) { | |
4387 | mask_a |= SSL_aRSA; | |
4388 | mask_k |= SSL_kRSA; | |
4389 | } | |
4390 | if (pvalid[SSL_PKEY_ECC] & CERT_PKEY_RPK) | |
4391 | mask_a |= SSL_aECDSA; | |
4392 | if (TLS1_get_version(&s->ssl) == TLS1_2_VERSION) { | |
4393 | if (pvalid[SSL_PKEY_RSA_PSS_SIGN] & CERT_PKEY_RPK) | |
4394 | mask_a |= SSL_aRSA; | |
4395 | if (pvalid[SSL_PKEY_ED25519] & CERT_PKEY_RPK | |
4396 | || pvalid[SSL_PKEY_ED448] & CERT_PKEY_RPK) | |
4397 | mask_a |= SSL_aECDSA; | |
4398 | } | |
4399 | ||
0f113f3e MC |
4400 | /* |
4401 | * An ECC certificate may be usable for ECDH and/or ECDSA cipher suites | |
4402 | * depending on the key usage extension. | |
4403 | */ | |
0f113f3e | 4404 | if (have_ecc_cert) { |
a8d8e06b | 4405 | uint32_t ex_kusage; |
4020c0b3 | 4406 | ex_kusage = X509_get_key_usage(c->pkeys[SSL_PKEY_ECC].x509); |
a8d8e06b | 4407 | ecdsa_ok = ex_kusage & X509v3_KU_DIGITAL_SIGNATURE; |
6383d316 | 4408 | if (!(pvalid[SSL_PKEY_ECC] & CERT_PKEY_SIGN)) |
0f113f3e | 4409 | ecdsa_ok = 0; |
c7c46256 | 4410 | if (ecdsa_ok) |
0f113f3e | 4411 | mask_a |= SSL_aECDSA; |
0f113f3e | 4412 | } |
b2021556 DSH |
4413 | /* Allow Ed25519 for TLS 1.2 if peer supports it */ |
4414 | if (!(mask_a & SSL_aECDSA) && ssl_has_cert(s, SSL_PKEY_ED25519) | |
4415 | && pvalid[SSL_PKEY_ED25519] & CERT_PKEY_EXPLICIT_SIGN | |
38b051a1 | 4416 | && TLS1_get_version(&s->ssl) == TLS1_2_VERSION) |
b2021556 | 4417 | mask_a |= SSL_aECDSA; |
0e1d6ecf MC |
4418 | |
4419 | /* Allow Ed448 for TLS 1.2 if peer supports it */ | |
4420 | if (!(mask_a & SSL_aECDSA) && ssl_has_cert(s, SSL_PKEY_ED448) | |
4421 | && pvalid[SSL_PKEY_ED448] & CERT_PKEY_EXPLICIT_SIGN | |
38b051a1 | 4422 | && TLS1_get_version(&s->ssl) == TLS1_2_VERSION) |
0e1d6ecf | 4423 | mask_a |= SSL_aECDSA; |
ea262260 | 4424 | |
fe6ef247 | 4425 | mask_k |= SSL_kECDHE; |
ddac1974 NL |
4426 | |
4427 | #ifndef OPENSSL_NO_PSK | |
0f113f3e MC |
4428 | mask_k |= SSL_kPSK; |
4429 | mask_a |= SSL_aPSK; | |
526f94ad DSH |
4430 | if (mask_k & SSL_kRSA) |
4431 | mask_k |= SSL_kRSAPSK; | |
4432 | if (mask_k & SSL_kDHE) | |
4433 | mask_k |= SSL_kDHEPSK; | |
4434 | if (mask_k & SSL_kECDHE) | |
4435 | mask_k |= SSL_kECDHEPSK; | |
ddac1974 NL |
4436 | #endif |
4437 | ||
555cbb32 TS |
4438 | s->s3.tmp.mask_k = mask_k; |
4439 | s->s3.tmp.mask_a = mask_a; | |
0f113f3e | 4440 | } |
d02b48c6 | 4441 | |
38b051a1 | 4442 | int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL_CONNECTION *s) |
0f113f3e | 4443 | { |
555cbb32 | 4444 | if (s->s3.tmp.new_cipher->algorithm_auth & SSL_aECDSA) { |
0f113f3e | 4445 | /* key usage, if present, must allow signing */ |
ce0c1f2b | 4446 | if (!(X509_get_key_usage(x) & X509v3_KU_DIGITAL_SIGNATURE)) { |
6849b73c | 4447 | ERR_raise(ERR_LIB_SSL, SSL_R_ECC_CERT_NOT_FOR_SIGNING); |
0f113f3e MC |
4448 | return 0; |
4449 | } | |
4450 | } | |
0f113f3e MC |
4451 | return 1; /* all checks are ok */ |
4452 | } | |
ea262260 | 4453 | |
38b051a1 TM |
4454 | int ssl_get_server_cert_serverinfo(SSL_CONNECTION *s, |
4455 | const unsigned char **serverinfo, | |
0f113f3e MC |
4456 | size_t *serverinfo_length) |
4457 | { | |
555cbb32 | 4458 | CERT_PKEY *cpk = s->s3.tmp.cert; |
0f113f3e MC |
4459 | *serverinfo_length = 0; |
4460 | ||
a497cf25 | 4461 | if (cpk == NULL || cpk->serverinfo == NULL) |
0f113f3e MC |
4462 | return 0; |
4463 | ||
a497cf25 DSH |
4464 | *serverinfo = cpk->serverinfo; |
4465 | *serverinfo_length = cpk->serverinfo_length; | |
0f113f3e MC |
4466 | return 1; |
4467 | } | |
0f113f3e | 4468 | |
38b051a1 | 4469 | void ssl_update_cache(SSL_CONNECTION *s, int mode) |
0f113f3e MC |
4470 | { |
4471 | int i; | |
4472 | ||
4473 | /* | |
4474 | * If the session_id_length is 0, we are not supposed to cache it, and it | |
4475 | * would be rather hard to do anyway :-) | |
4476 | */ | |
4477 | if (s->session->session_id_length == 0) | |
4478 | return; | |
4479 | ||
d316cdcf BK |
4480 | /* |
4481 | * If sid_ctx_length is 0 there is no specific application context | |
4482 | * associated with this session, so when we try to resume it and | |
c4fa1f7f BK |
4483 | * SSL_VERIFY_PEER is requested to verify the client identity, we have no |
4484 | * indication that this is actually a session for the proper application | |
4485 | * context, and the *handshake* will fail, not just the resumption attempt. | |
4486 | * Do not cache (on the server) these sessions that are not resumable | |
4487 | * (clients can set SSL_VERIFY_PEER without needing a sid_ctx set). | |
d316cdcf | 4488 | */ |
c4fa1f7f | 4489 | if (s->server && s->session->sid_ctx_length == 0 |
d316cdcf BK |
4490 | && (s->verify_mode & SSL_VERIFY_PEER) != 0) |
4491 | return; | |
4492 | ||
0f113f3e | 4493 | i = s->session_ctx->session_cache_mode; |
5d61491c | 4494 | if ((i & mode) != 0 |
38b051a1 | 4495 | && (!s->hit || SSL_CONNECTION_IS_TLS13(s))) { |
ee94ec2e MC |
4496 | /* |
4497 | * Add the session to the internal cache. In server side TLSv1.3 we | |
6cc0b3c2 MC |
4498 | * normally don't do this because by default it's a full stateless ticket |
4499 | * with only a dummy session id so there is no reason to cache it, | |
4500 | * unless: | |
ee94ec2e MC |
4501 | * - we are doing early_data, in which case we cache so that we can |
4502 | * detect replays | |
4503 | * - the application has set a remove_session_cb so needs to know about | |
4504 | * session timeout events | |
6cc0b3c2 | 4505 | * - SSL_OP_NO_TICKET is set in which case it is a stateful ticket |
ee94ec2e MC |
4506 | */ |
4507 | if ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE) == 0 | |
38b051a1 | 4508 | && (!SSL_CONNECTION_IS_TLS13(s) |
ee94ec2e | 4509 | || !s->server |
5d263fb7 MC |
4510 | || (s->max_early_data > 0 |
4511 | && (s->options & SSL_OP_NO_ANTI_REPLAY) == 0) | |
6cc0b3c2 MC |
4512 | || s->session_ctx->remove_session_cb != NULL |
4513 | || (s->options & SSL_OP_NO_TICKET) != 0)) | |
ee94ec2e MC |
4514 | SSL_CTX_add_session(s->session_ctx, s->session); |
4515 | ||
4516 | /* | |
4517 | * Add the session to the external cache. We do this even in server side | |
4518 | * TLSv1.3 without early data because some applications just want to | |
4519 | * know about the creation of a session and aren't doing a full cache. | |
4520 | */ | |
4521 | if (s->session_ctx->new_session_cb != NULL) { | |
4522 | SSL_SESSION_up_ref(s->session); | |
38b051a1 TM |
4523 | if (!s->session_ctx->new_session_cb(SSL_CONNECTION_GET_SSL(s), |
4524 | s->session)) | |
ee94ec2e MC |
4525 | SSL_SESSION_free(s->session); |
4526 | } | |
0f113f3e MC |
4527 | } |
4528 | ||
4529 | /* auto flush every 255 connections */ | |
4530 | if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) && ((i & mode) == mode)) { | |
9ef9088c | 4531 | TSAN_QUALIFIER int *stat; |
acce0557 | 4532 | |
1fcb4e4d BK |
4533 | if (mode & SSL_SESS_CACHE_CLIENT) |
4534 | stat = &s->session_ctx->stats.sess_connect_good; | |
4535 | else | |
4536 | stat = &s->session_ctx->stats.sess_accept_good; | |
acce0557 | 4537 | if ((ssl_tsan_load(s->session_ctx, stat) & 0xff) == 0xff) |
0f113f3e | 4538 | SSL_CTX_flush_sessions(s->session_ctx, (unsigned long)time(NULL)); |
0f113f3e MC |
4539 | } |
4540 | } | |
d02b48c6 | 4541 | |
3499327b | 4542 | const SSL_METHOD *SSL_CTX_get_ssl_method(const SSL_CTX *ctx) |
0f113f3e MC |
4543 | { |
4544 | return ctx->method; | |
4545 | } | |
ba168244 | 4546 | |
3499327b | 4547 | const SSL_METHOD *SSL_get_ssl_method(const SSL *s) |
0f113f3e | 4548 | { |
26a7d938 | 4549 | return s->method; |
0f113f3e | 4550 | } |
d02b48c6 | 4551 | |
4ebb342f | 4552 | int SSL_set_ssl_method(SSL *s, const SSL_METHOD *meth) |
0f113f3e | 4553 | { |
0f113f3e | 4554 | int ret = 1; |
38b051a1 TM |
4555 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4556 | ||
3ea30e76 | 4557 | /* Not allowed for QUIC */ |
38b051a1 | 4558 | if (sc == NULL |
3ea30e76 HL |
4559 | || (s->type != SSL_TYPE_SSL_CONNECTION && s->method != meth) |
4560 | || (s->type == SSL_TYPE_SSL_CONNECTION && IS_QUIC_METHOD(meth))) | |
38b051a1 | 4561 | return 0; |
0f113f3e MC |
4562 | |
4563 | if (s->method != meth) { | |
919ba009 | 4564 | const SSL_METHOD *sm = s->method; |
38b051a1 | 4565 | int (*hf) (SSL *) = sc->handshake_func; |
0f113f3e | 4566 | |
919ba009 | 4567 | if (sm->version == meth->version) |
0f113f3e MC |
4568 | s->method = meth; |
4569 | else { | |
38b051a1 | 4570 | sm->ssl_deinit(s); |
0f113f3e | 4571 | s->method = meth; |
38b051a1 | 4572 | ret = s->method->ssl_init(s); |
0f113f3e MC |
4573 | } |
4574 | ||
919ba009 | 4575 | if (hf == sm->ssl_connect) |
38b051a1 | 4576 | sc->handshake_func = meth->ssl_connect; |
919ba009 | 4577 | else if (hf == sm->ssl_accept) |
38b051a1 | 4578 | sc->handshake_func = meth->ssl_accept; |
0f113f3e | 4579 | } |
26a7d938 | 4580 | return ret; |
0f113f3e MC |
4581 | } |
4582 | ||
4583 | int SSL_get_error(const SSL *s, int i) | |
7a2bb210 HL |
4584 | { |
4585 | return ossl_ssl_get_error(s, i, /*check_err=*/1); | |
4586 | } | |
4587 | ||
4588 | int ossl_ssl_get_error(const SSL *s, int i, int check_err) | |
0f113f3e MC |
4589 | { |
4590 | int reason; | |
4591 | unsigned long l; | |
4592 | BIO *bio; | |
38b051a1 | 4593 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
0f113f3e MC |
4594 | |
4595 | if (i > 0) | |
26a7d938 | 4596 | return SSL_ERROR_NONE; |
0f113f3e | 4597 | |
e30c502a | 4598 | #ifndef OPENSSL_NO_QUIC |
6d495cc4 HL |
4599 | if (IS_QUIC(s)) { |
4600 | reason = ossl_quic_get_error(s, i); | |
e30c502a HL |
4601 | if (reason != SSL_ERROR_NONE) |
4602 | return reason; | |
4603 | } | |
4604 | #endif | |
4605 | ||
38b051a1 TM |
4606 | if (sc == NULL) |
4607 | return SSL_ERROR_SSL; | |
4608 | ||
0f113f3e MC |
4609 | /* |
4610 | * Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake etc, | |
4611 | * where we do encode the error | |
4612 | */ | |
7a2bb210 | 4613 | if (check_err && (l = ERR_peek_error()) != 0) { |
0f113f3e | 4614 | if (ERR_GET_LIB(l) == ERR_LIB_SYS) |
26a7d938 | 4615 | return SSL_ERROR_SYSCALL; |
0f113f3e | 4616 | else |
26a7d938 | 4617 | return SSL_ERROR_SSL; |
0f113f3e MC |
4618 | } |
4619 | ||
03bacce8 | 4620 | #ifndef OPENSSL_NO_QUIC |
6d495cc4 | 4621 | if (!IS_QUIC(s)) |
03bacce8 HL |
4622 | #endif |
4623 | { | |
4624 | if (SSL_want_read(s)) { | |
4625 | bio = SSL_get_rbio(s); | |
4626 | if (BIO_should_read(bio)) | |
4627 | return SSL_ERROR_WANT_READ; | |
4628 | else if (BIO_should_write(bio)) | |
4629 | /* | |
4630 | * This one doesn't make too much sense ... We never try to | |
4631 | * write to the rbio, and an application program where rbio and | |
4632 | * wbio are separate couldn't even know what it should wait for. | |
4633 | * However if we ever set s->rwstate incorrectly (so that we | |
4634 | * have SSL_want_read(s) instead of SSL_want_write(s)) and rbio | |
4635 | * and wbio *are* the same, this test works around that bug; so | |
4636 | * it might be safer to keep it. | |
4637 | */ | |
4638 | return SSL_ERROR_WANT_WRITE; | |
4639 | else if (BIO_should_io_special(bio)) { | |
4640 | reason = BIO_get_retry_reason(bio); | |
4641 | if (reason == BIO_RR_CONNECT) | |
4642 | return SSL_ERROR_WANT_CONNECT; | |
4643 | else if (reason == BIO_RR_ACCEPT) | |
4644 | return SSL_ERROR_WANT_ACCEPT; | |
4645 | else | |
4646 | return SSL_ERROR_SYSCALL; /* unknown */ | |
4647 | } | |
4648 | } | |
4649 | ||
4650 | if (SSL_want_write(s)) { | |
2e7dc7cd | 4651 | /* |
03bacce8 HL |
4652 | * Access wbio directly - in order to use the buffered bio if |
4653 | * present | |
2e7dc7cd | 4654 | */ |
03bacce8 HL |
4655 | bio = sc->wbio; |
4656 | if (BIO_should_write(bio)) | |
4657 | return SSL_ERROR_WANT_WRITE; | |
4658 | else if (BIO_should_read(bio)) | |
4659 | /* | |
4660 | * See above (SSL_want_read(s) with BIO_should_write(bio)) | |
4661 | */ | |
4662 | return SSL_ERROR_WANT_READ; | |
4663 | else if (BIO_should_io_special(bio)) { | |
4664 | reason = BIO_get_retry_reason(bio); | |
4665 | if (reason == BIO_RR_CONNECT) | |
4666 | return SSL_ERROR_WANT_CONNECT; | |
4667 | else if (reason == BIO_RR_ACCEPT) | |
4668 | return SSL_ERROR_WANT_ACCEPT; | |
4669 | else | |
4670 | return SSL_ERROR_SYSCALL; | |
4671 | } | |
0f113f3e | 4672 | } |
07bbc92c | 4673 | } |
03bacce8 | 4674 | |
6b1bb98f | 4675 | if (SSL_want_x509_lookup(s)) |
26a7d938 | 4676 | return SSL_ERROR_WANT_X509_LOOKUP; |
0c3eb279 DDO |
4677 | if (SSL_want_retry_verify(s)) |
4678 | return SSL_ERROR_WANT_RETRY_VERIFY; | |
6b1bb98f | 4679 | if (SSL_want_async(s)) |
8051ab2b | 4680 | return SSL_ERROR_WANT_ASYNC; |
6b1bb98f | 4681 | if (SSL_want_async_job(s)) |
8051ab2b | 4682 | return SSL_ERROR_WANT_ASYNC_JOB; |
a9c0d8be DB |
4683 | if (SSL_want_client_hello_cb(s)) |
4684 | return SSL_ERROR_WANT_CLIENT_HELLO_CB; | |
8051ab2b | 4685 | |
38b051a1 TM |
4686 | if ((sc->shutdown & SSL_RECEIVED_SHUTDOWN) && |
4687 | (sc->s3.warn_alert == SSL_AD_CLOSE_NOTIFY)) | |
26a7d938 | 4688 | return SSL_ERROR_ZERO_RETURN; |
8051ab2b | 4689 | |
26a7d938 | 4690 | return SSL_ERROR_SYSCALL; |
0f113f3e | 4691 | } |
d02b48c6 | 4692 | |
add2f5ca MC |
4693 | static int ssl_do_handshake_intern(void *vargs) |
4694 | { | |
38b051a1 TM |
4695 | struct ssl_async_args *args = (struct ssl_async_args *)vargs; |
4696 | SSL *s = args->s; | |
4697 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
add2f5ca | 4698 | |
38b051a1 TM |
4699 | if (sc == NULL) |
4700 | return -1; | |
add2f5ca | 4701 | |
38b051a1 | 4702 | return sc->handshake_func(s); |
add2f5ca MC |
4703 | } |
4704 | ||
4f43d0e7 | 4705 | int SSL_do_handshake(SSL *s) |
0f113f3e MC |
4706 | { |
4707 | int ret = 1; | |
38b051a1 TM |
4708 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4709 | ||
6d495cc4 HL |
4710 | #ifndef OPENSSL_NO_QUIC |
4711 | if (IS_QUIC(s)) | |
4712 | return ossl_quic_do_handshake(s); | |
03bacce8 | 4713 | #endif |
0f113f3e | 4714 | |
38b051a1 | 4715 | if (sc->handshake_func == NULL) { |
6849b73c | 4716 | ERR_raise(ERR_LIB_SSL, SSL_R_CONNECTION_TYPE_NOT_SET); |
add2f5ca | 4717 | return -1; |
0f113f3e MC |
4718 | } |
4719 | ||
38b051a1 | 4720 | ossl_statem_check_finish_init(sc, -1); |
49e7fe12 | 4721 | |
c7f47786 | 4722 | s->method->ssl_renegotiate_check(s, 0); |
0f113f3e MC |
4723 | |
4724 | if (SSL_in_init(s) || SSL_in_before(s)) { | |
38b051a1 | 4725 | if ((sc->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
add2f5ca MC |
4726 | struct ssl_async_args args; |
4727 | ||
09134f18 | 4728 | memset(&args, 0, sizeof(args)); |
add2f5ca MC |
4729 | args.s = s; |
4730 | ||
7fecbf6f | 4731 | ret = ssl_start_async_job(s, &args, ssl_do_handshake_intern); |
add2f5ca | 4732 | } else { |
38b051a1 | 4733 | ret = sc->handshake_func(s); |
add2f5ca | 4734 | } |
0f113f3e | 4735 | } |
add2f5ca | 4736 | return ret; |
0f113f3e MC |
4737 | } |
4738 | ||
4f43d0e7 | 4739 | void SSL_set_accept_state(SSL *s) |
0f113f3e | 4740 | { |
03bacce8 | 4741 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
38b051a1 | 4742 | |
6d495cc4 HL |
4743 | #ifndef OPENSSL_NO_QUIC |
4744 | if (IS_QUIC(s)) { | |
4745 | ossl_quic_set_accept_state(s); | |
38b051a1 | 4746 | return; |
03bacce8 HL |
4747 | } |
4748 | #endif | |
38b051a1 TM |
4749 | |
4750 | sc->server = 1; | |
4751 | sc->shutdown = 0; | |
4752 | ossl_statem_clear(sc); | |
4753 | sc->handshake_func = s->method->ssl_accept; | |
6d814fd6 | 4754 | /* Ignore return value. Its a void public API function */ |
4a0e4849 | 4755 | RECORD_LAYER_reset(&sc->rlayer); |
0f113f3e | 4756 | } |
d02b48c6 | 4757 | |
4f43d0e7 | 4758 | void SSL_set_connect_state(SSL *s) |
0f113f3e | 4759 | { |
03bacce8 | 4760 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
38b051a1 | 4761 | |
6d495cc4 HL |
4762 | #ifndef OPENSSL_NO_QUIC |
4763 | if (IS_QUIC(s)) { | |
4764 | ossl_quic_set_connect_state(s); | |
38b051a1 | 4765 | return; |
03bacce8 HL |
4766 | } |
4767 | #endif | |
38b051a1 TM |
4768 | |
4769 | sc->server = 0; | |
4770 | sc->shutdown = 0; | |
4771 | ossl_statem_clear(sc); | |
4772 | sc->handshake_func = s->method->ssl_connect; | |
6d814fd6 | 4773 | /* Ignore return value. Its a void public API function */ |
4a0e4849 | 4774 | RECORD_LAYER_reset(&sc->rlayer); |
0f113f3e | 4775 | } |
d02b48c6 | 4776 | |
4f43d0e7 | 4777 | int ssl_undefined_function(SSL *s) |
0f113f3e | 4778 | { |
6849b73c | 4779 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
26a7d938 | 4780 | return 0; |
0f113f3e | 4781 | } |
d02b48c6 | 4782 | |
41a15c4f | 4783 | int ssl_undefined_void_function(void) |
0f113f3e | 4784 | { |
6849b73c | 4785 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
26a7d938 | 4786 | return 0; |
0f113f3e | 4787 | } |
41a15c4f | 4788 | |
0821bcd4 | 4789 | int ssl_undefined_const_function(const SSL *s) |
0f113f3e | 4790 | { |
26a7d938 | 4791 | return 0; |
0f113f3e | 4792 | } |
0821bcd4 | 4793 | |
3eb2aff4 | 4794 | const char *ssl_protocol_to_string(int version) |
7d650072 | 4795 | { |
1287dabd | 4796 | switch (version) |
2abacef1 MC |
4797 | { |
4798 | case TLS1_3_VERSION: | |
582a17d6 | 4799 | return "TLSv1.3"; |
2abacef1 MC |
4800 | |
4801 | case TLS1_2_VERSION: | |
7d650072 | 4802 | return "TLSv1.2"; |
2abacef1 MC |
4803 | |
4804 | case TLS1_1_VERSION: | |
7d650072 | 4805 | return "TLSv1.1"; |
2abacef1 MC |
4806 | |
4807 | case TLS1_VERSION: | |
ee3a6c64 | 4808 | return "TLSv1"; |
2abacef1 MC |
4809 | |
4810 | case SSL3_VERSION: | |
7d650072 | 4811 | return "SSLv3"; |
2abacef1 MC |
4812 | |
4813 | case DTLS1_BAD_VER: | |
7d650072 | 4814 | return "DTLSv0.9"; |
2abacef1 MC |
4815 | |
4816 | case DTLS1_VERSION: | |
7d650072 | 4817 | return "DTLSv1"; |
2abacef1 MC |
4818 | |
4819 | case DTLS1_2_VERSION: | |
7d650072 | 4820 | return "DTLSv1.2"; |
2abacef1 MC |
4821 | |
4822 | default: | |
4823 | return "unknown"; | |
4824 | } | |
0f113f3e | 4825 | } |
d02b48c6 | 4826 | |
7d650072 KR |
4827 | const char *SSL_get_version(const SSL *s) |
4828 | { | |
38b051a1 TM |
4829 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
4830 | ||
50769b15 MC |
4831 | #ifndef OPENSSL_NO_QUIC |
4832 | /* We only support QUICv1 - so if its QUIC its QUICv1 */ | |
f8636c7e | 4833 | if (s->type == SSL_TYPE_QUIC_CONNECTION || s->type == SSL_TYPE_QUIC_XSO) |
50769b15 MC |
4834 | return "QUICv1"; |
4835 | #endif | |
4836 | ||
38b051a1 TM |
4837 | if (sc == NULL) |
4838 | return NULL; | |
4839 | ||
4840 | return ssl_protocol_to_string(sc->version); | |
7d650072 KR |
4841 | } |
4842 | ||
cee0628e JC |
4843 | __owur int SSL_get_handshake_rtt(const SSL *s, uint64_t *rtt) |
4844 | { | |
4845 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); | |
4846 | ||
4847 | if (sc == NULL) | |
4848 | return -1; | |
4849 | if (sc->ts_msg_write.t <= 0 || sc->ts_msg_read.t <= 0) | |
4850 | return 0; /* data not (yet) available */ | |
4851 | if (sc->ts_msg_read.t < sc->ts_msg_write.t) | |
4852 | return -1; | |
4853 | ||
4854 | *rtt = ossl_time2us(ossl_time_subtract(sc->ts_msg_read, sc->ts_msg_write)); | |
4855 | return 1; | |
4856 | } | |
4857 | ||
98732979 | 4858 | static int dup_ca_names(STACK_OF(X509_NAME) **dst, STACK_OF(X509_NAME) *src) |
0f113f3e MC |
4859 | { |
4860 | STACK_OF(X509_NAME) *sk; | |
4861 | X509_NAME *xn; | |
98732979 MC |
4862 | int i; |
4863 | ||
4864 | if (src == NULL) { | |
4865 | *dst = NULL; | |
4866 | return 1; | |
4867 | } | |
4868 | ||
4869 | if ((sk = sk_X509_NAME_new_null()) == NULL) | |
4870 | return 0; | |
4871 | for (i = 0; i < sk_X509_NAME_num(src); i++) { | |
4872 | xn = X509_NAME_dup(sk_X509_NAME_value(src, i)); | |
4873 | if (xn == NULL) { | |
4874 | sk_X509_NAME_pop_free(sk, X509_NAME_free); | |
4875 | return 0; | |
4876 | } | |
4877 | if (sk_X509_NAME_insert(sk, xn, i) == 0) { | |
4878 | X509_NAME_free(xn); | |
4879 | sk_X509_NAME_pop_free(sk, X509_NAME_free); | |
4880 | return 0; | |
4881 | } | |
4882 | } | |
4883 | *dst = sk; | |
4884 | ||
4885 | return 1; | |
4886 | } | |
4887 | ||
4888 | SSL *SSL_dup(SSL *s) | |
4889 | { | |
0f113f3e MC |
4890 | SSL *ret; |
4891 | int i; | |
44cb36d0 | 4892 | /* TODO(QUIC FUTURE): Add a SSL_METHOD function for duplication */ |
38b051a1 TM |
4893 | SSL_CONNECTION *retsc; |
4894 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); | |
4895 | ||
4896 | if (sc == NULL) | |
4897 | return NULL; | |
0f113f3e | 4898 | |
919ba009 VD |
4899 | /* If we're not quiescent, just up_ref! */ |
4900 | if (!SSL_in_init(s) || !SSL_in_before(s)) { | |
43a07d6d | 4901 | CRYPTO_UP_REF(&s->references, &i); |
919ba009 VD |
4902 | return s; |
4903 | } | |
4904 | ||
4905 | /* | |
4906 | * Otherwise, copy configuration state, and session if set. | |
4907 | */ | |
0f113f3e | 4908 | if ((ret = SSL_new(SSL_get_SSL_CTX(s))) == NULL) |
26a7d938 | 4909 | return NULL; |
38b051a1 TM |
4910 | if ((retsc = SSL_CONNECTION_FROM_SSL_ONLY(ret)) == NULL) |
4911 | goto err; | |
0f113f3e | 4912 | |
38b051a1 | 4913 | if (sc->session != NULL) { |
919ba009 VD |
4914 | /* |
4915 | * Arranges to share the same session via up_ref. This "copies" | |
4916 | * session-id, SSL_METHOD, sid_ctx, and 'cert' | |
4917 | */ | |
61986d32 | 4918 | if (!SSL_copy_session_id(ret, s)) |
17dd65e6 | 4919 | goto err; |
0f113f3e MC |
4920 | } else { |
4921 | /* | |
4922 | * No session has been established yet, so we have to expect that | |
4923 | * s->cert or ret->cert will be changed later -- they should not both | |
4924 | * point to the same object, and thus we can't use | |
4925 | * SSL_copy_session_id. | |
4926 | */ | |
919ba009 VD |
4927 | if (!SSL_set_ssl_method(ret, s->method)) |
4928 | goto err; | |
0f113f3e | 4929 | |
38b051a1 TM |
4930 | if (sc->cert != NULL) { |
4931 | ssl_cert_free(retsc->cert); | |
4932 | retsc->cert = ssl_cert_dup(sc->cert); | |
4933 | if (retsc->cert == NULL) | |
0f113f3e MC |
4934 | goto err; |
4935 | } | |
4936 | ||
38b051a1 TM |
4937 | if (!SSL_set_session_id_context(ret, sc->sid_ctx, |
4938 | (int)sc->sid_ctx_length)) | |
69f68237 | 4939 | goto err; |
0f113f3e MC |
4940 | } |
4941 | ||
38b051a1 | 4942 | if (!ssl_dane_dup(retsc, sc)) |
9f6b22b8 | 4943 | goto err; |
38b051a1 TM |
4944 | retsc->version = sc->version; |
4945 | retsc->options = sc->options; | |
4946 | retsc->min_proto_version = sc->min_proto_version; | |
4947 | retsc->max_proto_version = sc->max_proto_version; | |
4948 | retsc->mode = sc->mode; | |
0f113f3e MC |
4949 | SSL_set_max_cert_list(ret, SSL_get_max_cert_list(s)); |
4950 | SSL_set_read_ahead(ret, SSL_get_read_ahead(s)); | |
38b051a1 TM |
4951 | retsc->msg_callback = sc->msg_callback; |
4952 | retsc->msg_callback_arg = sc->msg_callback_arg; | |
0f113f3e MC |
4953 | SSL_set_verify(ret, SSL_get_verify_mode(s), SSL_get_verify_callback(s)); |
4954 | SSL_set_verify_depth(ret, SSL_get_verify_depth(s)); | |
38b051a1 | 4955 | retsc->generate_session_id = sc->generate_session_id; |
0f113f3e MC |
4956 | |
4957 | SSL_set_info_callback(ret, SSL_get_info_callback(s)); | |
4958 | ||
0f113f3e MC |
4959 | /* copy app data, a little dangerous perhaps */ |
4960 | if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data)) | |
4961 | goto err; | |
4962 | ||
38b051a1 TM |
4963 | retsc->server = sc->server; |
4964 | if (sc->handshake_func) { | |
4965 | if (sc->server) | |
919ba009 VD |
4966 | SSL_set_accept_state(ret); |
4967 | else | |
4968 | SSL_set_connect_state(ret); | |
4969 | } | |
38b051a1 TM |
4970 | retsc->shutdown = sc->shutdown; |
4971 | retsc->hit = sc->hit; | |
0f113f3e | 4972 | |
38b051a1 TM |
4973 | retsc->default_passwd_callback = sc->default_passwd_callback; |
4974 | retsc->default_passwd_callback_userdata = sc->default_passwd_callback_userdata; | |
a974e64a | 4975 | |
38b051a1 | 4976 | X509_VERIFY_PARAM_inherit(retsc->param, sc->param); |
0f113f3e MC |
4977 | |
4978 | /* dup the cipher_list and cipher_list_by_id stacks */ | |
38b051a1 TM |
4979 | if (sc->cipher_list != NULL) { |
4980 | if ((retsc->cipher_list = sk_SSL_CIPHER_dup(sc->cipher_list)) == NULL) | |
0f113f3e MC |
4981 | goto err; |
4982 | } | |
38b051a1 TM |
4983 | if (sc->cipher_list_by_id != NULL) |
4984 | if ((retsc->cipher_list_by_id = sk_SSL_CIPHER_dup(sc->cipher_list_by_id)) | |
0f113f3e MC |
4985 | == NULL) |
4986 | goto err; | |
4987 | ||
4988 | /* Dup the client_CA list */ | |
38b051a1 TM |
4989 | if (!dup_ca_names(&retsc->ca_names, sc->ca_names) |
4990 | || !dup_ca_names(&retsc->client_ca_names, sc->client_ca_names)) | |
98732979 MC |
4991 | goto err; |
4992 | ||
66696478 | 4993 | return ret; |
0f113f3e | 4994 | |
0f113f3e | 4995 | err: |
66696478 RS |
4996 | SSL_free(ret); |
4997 | return NULL; | |
0f113f3e | 4998 | } |
d02b48c6 | 4999 | |
0821bcd4 | 5000 | X509 *SSL_get_certificate(const SSL *s) |
0f113f3e | 5001 | { |
38b051a1 TM |
5002 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5003 | ||
5004 | if (sc == NULL) | |
5005 | return NULL; | |
5006 | ||
5007 | if (sc->cert != NULL) | |
5008 | return sc->cert->key->x509; | |
0f113f3e | 5009 | else |
26a7d938 | 5010 | return NULL; |
0f113f3e | 5011 | } |
d02b48c6 | 5012 | |
a25f9adc | 5013 | EVP_PKEY *SSL_get_privatekey(const SSL *s) |
0f113f3e | 5014 | { |
38b051a1 TM |
5015 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5016 | ||
5017 | if (sc == NULL) | |
5018 | return NULL; | |
5019 | ||
5020 | if (sc->cert != NULL) | |
5021 | return sc->cert->key->privatekey; | |
0f113f3e | 5022 | else |
26a7d938 | 5023 | return NULL; |
0f113f3e | 5024 | } |
d02b48c6 | 5025 | |
a25f9adc | 5026 | X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx) |
0f113f3e MC |
5027 | { |
5028 | if (ctx->cert != NULL) | |
5029 | return ctx->cert->key->x509; | |
5030 | else | |
5031 | return NULL; | |
5032 | } | |
a25f9adc DSH |
5033 | |
5034 | EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx) | |
0f113f3e MC |
5035 | { |
5036 | if (ctx->cert != NULL) | |
5037 | return ctx->cert->key->privatekey; | |
5038 | else | |
5039 | return NULL; | |
5040 | } | |
a25f9adc | 5041 | |
babb3798 | 5042 | const SSL_CIPHER *SSL_get_current_cipher(const SSL *s) |
0f113f3e | 5043 | { |
38b051a1 TM |
5044 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5045 | ||
5046 | if (sc == NULL) | |
5047 | return NULL; | |
5048 | ||
5049 | if ((sc->session != NULL) && (sc->session->cipher != NULL)) | |
5050 | return sc->session->cipher; | |
26a7d938 | 5051 | return NULL; |
0f113f3e MC |
5052 | } |
5053 | ||
0aed6e44 BK |
5054 | const SSL_CIPHER *SSL_get_pending_cipher(const SSL *s) |
5055 | { | |
38b051a1 TM |
5056 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5057 | ||
5058 | if (sc == NULL) | |
5059 | return NULL; | |
5060 | ||
5061 | return sc->s3.tmp.new_cipher; | |
0aed6e44 BK |
5062 | } |
5063 | ||
3499327b | 5064 | const COMP_METHOD *SSL_get_current_compression(const SSL *s) |
0f113f3e | 5065 | { |
9a555706 | 5066 | #ifndef OPENSSL_NO_COMP |
38b051a1 TM |
5067 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(s); |
5068 | ||
5069 | if (sc == NULL) | |
5070 | return NULL; | |
5071 | ||
1e76110b | 5072 | return sc->rlayer.wrlmethod->get_compression(sc->rlayer.wrl); |
9a555706 RS |
5073 | #else |
5074 | return NULL; | |
5075 | #endif | |
0f113f3e | 5076 | } |
377dcdba | 5077 | |
3499327b | 5078 | const COMP_METHOD *SSL_get_current_expansion(const SSL *s) |
0f113f3e | 5079 | { |
9a555706 | 5080 | #ifndef OPENSSL_NO_COMP |
38b051a1 TM |
5081 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(s); |
5082 | ||
5083 | if (sc == NULL) | |
5084 | return NULL; | |
5085 | ||
1e76110b | 5086 | return sc->rlayer.rrlmethod->get_compression(sc->rlayer.rrl); |
9a555706 RS |
5087 | #else |
5088 | return NULL; | |
0f113f3e | 5089 | #endif |
9a555706 | 5090 | } |
0f113f3e | 5091 | |
38b051a1 | 5092 | int ssl_init_wbio_buffer(SSL_CONNECTION *s) |
0f113f3e MC |
5093 | { |
5094 | BIO *bbio; | |
5095 | ||
2e7dc7cd MC |
5096 | if (s->bbio != NULL) { |
5097 | /* Already buffered. */ | |
5098 | return 1; | |
0f113f3e | 5099 | } |
46417569 | 5100 | |
2e7dc7cd | 5101 | bbio = BIO_new(BIO_f_buffer()); |
25d02f33 | 5102 | if (bbio == NULL || BIO_set_read_buffer_size(bbio, 1) <= 0) { |
2e7dc7cd | 5103 | BIO_free(bbio); |
6849b73c | 5104 | ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB); |
46417569 | 5105 | return 0; |
0f113f3e | 5106 | } |
2e7dc7cd MC |
5107 | s->bbio = bbio; |
5108 | s->wbio = BIO_push(bbio, s->wbio); | |
46417569 | 5109 | |
b5cf81f7 MC |
5110 | s->rlayer.wrlmethod->set1_bio(s->rlayer.wrl, s->wbio); |
5111 | ||
46417569 | 5112 | return 1; |
0f113f3e | 5113 | } |
413c4f45 | 5114 | |
38b051a1 | 5115 | int ssl_free_wbio_buffer(SSL_CONNECTION *s) |
0f113f3e | 5116 | { |
62adbcee | 5117 | /* callers ensure s is never null */ |
0f113f3e | 5118 | if (s->bbio == NULL) |
b77f3ed1 | 5119 | return 1; |
0f113f3e | 5120 | |
2e7dc7cd | 5121 | s->wbio = BIO_pop(s->wbio); |
b5cf81f7 MC |
5122 | s->rlayer.wrlmethod->set1_bio(s->rlayer.wrl, s->wbio); |
5123 | ||
0f113f3e MC |
5124 | BIO_free(s->bbio); |
5125 | s->bbio = NULL; | |
b77f3ed1 MC |
5126 | |
5127 | return 1; | |
0f113f3e MC |
5128 | } |
5129 | ||
5130 | void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode) | |
5131 | { | |
5132 | ctx->quiet_shutdown = mode; | |
5133 | } | |
58964a49 | 5134 | |
0821bcd4 | 5135 | int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx) |
0f113f3e | 5136 | { |
26a7d938 | 5137 | return ctx->quiet_shutdown; |
0f113f3e | 5138 | } |
58964a49 | 5139 | |
0f113f3e MC |
5140 | void SSL_set_quiet_shutdown(SSL *s, int mode) |
5141 | { | |
38b051a1 TM |
5142 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
5143 | ||
7757f5ef | 5144 | /* Not supported with QUIC */ |
38b051a1 TM |
5145 | if (sc == NULL) |
5146 | return; | |
5147 | ||
5148 | sc->quiet_shutdown = mode; | |
0f113f3e | 5149 | } |
58964a49 | 5150 | |
0821bcd4 | 5151 | int SSL_get_quiet_shutdown(const SSL *s) |
0f113f3e | 5152 | { |
38b051a1 TM |
5153 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(s); |
5154 | ||
7757f5ef | 5155 | /* Not supported with QUIC */ |
38b051a1 TM |
5156 | if (sc == NULL) |
5157 | return 0; | |
5158 | ||
5159 | return sc->quiet_shutdown; | |
0f113f3e | 5160 | } |
58964a49 | 5161 | |
0f113f3e MC |
5162 | void SSL_set_shutdown(SSL *s, int mode) |
5163 | { | |
38b051a1 TM |
5164 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
5165 | ||
7757f5ef | 5166 | /* Not supported with QUIC */ |
38b051a1 TM |
5167 | if (sc == NULL) |
5168 | return; | |
5169 | ||
5170 | sc->shutdown = mode; | |
0f113f3e | 5171 | } |
58964a49 | 5172 | |
0821bcd4 | 5173 | int SSL_get_shutdown(const SSL *s) |
0f113f3e | 5174 | { |
38b051a1 TM |
5175 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(s); |
5176 | ||
7757f5ef TM |
5177 | #ifndef OPENSSL_NO_QUIC |
5178 | /* QUIC: Just indicate whether the connection was shutdown cleanly. */ | |
5179 | if (IS_QUIC(s)) | |
5180 | return ossl_quic_get_shutdown(s); | |
5181 | #endif | |
5182 | ||
38b051a1 TM |
5183 | if (sc == NULL) |
5184 | return 0; | |
5185 | ||
5186 | return sc->shutdown; | |
0f113f3e | 5187 | } |
58964a49 | 5188 | |
0821bcd4 | 5189 | int SSL_version(const SSL *s) |
0f113f3e | 5190 | { |
38b051a1 TM |
5191 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5192 | ||
50769b15 MC |
5193 | #ifndef OPENSSL_NO_QUIC |
5194 | /* We only support QUICv1 - so if its QUIC its QUICv1 */ | |
f8636c7e | 5195 | if (s->type == SSL_TYPE_QUIC_CONNECTION || s->type == SSL_TYPE_QUIC_XSO) |
50769b15 MC |
5196 | return OSSL_QUIC1_VERSION; |
5197 | #endif | |
38b051a1 TM |
5198 | if (sc == NULL) |
5199 | return 0; | |
5200 | ||
5201 | return sc->version; | |
6546e9b2 AG |
5202 | } |
5203 | ||
5204 | int SSL_client_version(const SSL *s) | |
5205 | { | |
38b051a1 TM |
5206 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5207 | ||
44cb36d0 TM |
5208 | #ifndef OPENSSL_NO_QUIC |
5209 | /* We only support QUICv1 - so if its QUIC its QUICv1 */ | |
5210 | if (s->type == SSL_TYPE_QUIC_CONNECTION || s->type == SSL_TYPE_QUIC_XSO) | |
5211 | return OSSL_QUIC1_VERSION; | |
5212 | #endif | |
38b051a1 TM |
5213 | if (sc == NULL) |
5214 | return 0; | |
5215 | ||
5216 | return sc->client_version; | |
0f113f3e | 5217 | } |
58964a49 | 5218 | |
0821bcd4 | 5219 | SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl) |
0f113f3e | 5220 | { |
6546e9b2 | 5221 | return ssl->ctx; |
0f113f3e MC |
5222 | } |
5223 | ||
5224 | SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx) | |
5225 | { | |
24a0d393 | 5226 | CERT *new_cert; |
38b051a1 TM |
5227 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(ssl); |
5228 | ||
44cb36d0 | 5229 | /* TODO(QUIC FUTURE): Add support for QUIC */ |
38b051a1 TM |
5230 | if (sc == NULL) |
5231 | return NULL; | |
5232 | ||
0f113f3e MC |
5233 | if (ssl->ctx == ctx) |
5234 | return ssl->ctx; | |
0f113f3e | 5235 | if (ctx == NULL) |
38b051a1 | 5236 | ctx = sc->session_ctx; |
24a0d393 KR |
5237 | new_cert = ssl_cert_dup(ctx->cert); |
5238 | if (new_cert == NULL) { | |
5239 | return NULL; | |
0f113f3e | 5240 | } |
21181889 | 5241 | |
38b051a1 | 5242 | if (!custom_exts_copy_flags(&new_cert->custext, &sc->cert->custext)) { |
21181889 MC |
5243 | ssl_cert_free(new_cert); |
5244 | return NULL; | |
5245 | } | |
5246 | ||
38b051a1 TM |
5247 | ssl_cert_free(sc->cert); |
5248 | sc->cert = new_cert; | |
0f113f3e MC |
5249 | |
5250 | /* | |
5251 | * Program invariant: |sid_ctx| has fixed size (SSL_MAX_SID_CTX_LENGTH), | |
5252 | * so setter APIs must prevent invalid lengths from entering the system. | |
5253 | */ | |
38b051a1 | 5254 | if (!ossl_assert(sc->sid_ctx_length <= sizeof(sc->sid_ctx))) |
380a522f | 5255 | return NULL; |
0f113f3e MC |
5256 | |
5257 | /* | |
5258 | * If the session ID context matches that of the parent SSL_CTX, | |
5259 | * inherit it from the new SSL_CTX as well. If however the context does | |
5260 | * not match (i.e., it was set per-ssl with SSL_set_session_id_context), | |
5261 | * leave it unchanged. | |
5262 | */ | |
5263 | if ((ssl->ctx != NULL) && | |
38b051a1 TM |
5264 | (sc->sid_ctx_length == ssl->ctx->sid_ctx_length) && |
5265 | (memcmp(sc->sid_ctx, ssl->ctx->sid_ctx, sc->sid_ctx_length) == 0)) { | |
5266 | sc->sid_ctx_length = ctx->sid_ctx_length; | |
5267 | memcpy(&sc->sid_ctx, &ctx->sid_ctx, sizeof(sc->sid_ctx)); | |
0f113f3e MC |
5268 | } |
5269 | ||
16203f7b | 5270 | SSL_CTX_up_ref(ctx); |
a230b26e | 5271 | SSL_CTX_free(ssl->ctx); /* decrement reference count */ |
0f113f3e MC |
5272 | ssl->ctx = ctx; |
5273 | ||
16203f7b | 5274 | return ssl->ctx; |
0f113f3e | 5275 | } |
ed3883d2 | 5276 | |
4f43d0e7 | 5277 | int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx) |
0f113f3e | 5278 | { |
d8652be0 MC |
5279 | return X509_STORE_set_default_paths_ex(ctx->cert_store, ctx->libctx, |
5280 | ctx->propq); | |
0f113f3e | 5281 | } |
58964a49 | 5282 | |
d84a7b20 MC |
5283 | int SSL_CTX_set_default_verify_dir(SSL_CTX *ctx) |
5284 | { | |
5285 | X509_LOOKUP *lookup; | |
5286 | ||
5287 | lookup = X509_STORE_add_lookup(ctx->cert_store, X509_LOOKUP_hash_dir()); | |
5288 | if (lookup == NULL) | |
5289 | return 0; | |
6dcb100f RL |
5290 | |
5291 | /* We ignore errors, in case the directory doesn't exist */ | |
5292 | ERR_set_mark(); | |
5293 | ||
d84a7b20 MC |
5294 | X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT); |
5295 | ||
6dcb100f | 5296 | ERR_pop_to_mark(); |
d84a7b20 MC |
5297 | |
5298 | return 1; | |
5299 | } | |
5300 | ||
5301 | int SSL_CTX_set_default_verify_file(SSL_CTX *ctx) | |
5302 | { | |
5303 | X509_LOOKUP *lookup; | |
5304 | ||
5305 | lookup = X509_STORE_add_lookup(ctx->cert_store, X509_LOOKUP_file()); | |
5306 | if (lookup == NULL) | |
5307 | return 0; | |
5308 | ||
492bc359 | 5309 | /* We ignore errors, in case the file doesn't exist */ |
6dcb100f RL |
5310 | ERR_set_mark(); |
5311 | ||
d8652be0 MC |
5312 | X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT, ctx->libctx, |
5313 | ctx->propq); | |
d84a7b20 | 5314 | |
6dcb100f RL |
5315 | ERR_pop_to_mark(); |
5316 | ||
5317 | return 1; | |
5318 | } | |
5319 | ||
5320 | int SSL_CTX_set_default_verify_store(SSL_CTX *ctx) | |
5321 | { | |
5322 | X509_LOOKUP *lookup; | |
5323 | ||
5324 | lookup = X509_STORE_add_lookup(ctx->cert_store, X509_LOOKUP_store()); | |
5325 | if (lookup == NULL) | |
5326 | return 0; | |
5327 | ||
5328 | /* We ignore errors, in case the directory doesn't exist */ | |
5329 | ERR_set_mark(); | |
5330 | ||
d8652be0 | 5331 | X509_LOOKUP_add_store_ex(lookup, NULL, ctx->libctx, ctx->propq); |
6dcb100f RL |
5332 | |
5333 | ERR_pop_to_mark(); | |
d84a7b20 MC |
5334 | |
5335 | return 1; | |
5336 | } | |
5337 | ||
6dcb100f RL |
5338 | int SSL_CTX_load_verify_file(SSL_CTX *ctx, const char *CAfile) |
5339 | { | |
d8652be0 MC |
5340 | return X509_STORE_load_file_ex(ctx->cert_store, CAfile, ctx->libctx, |
5341 | ctx->propq); | |
6dcb100f RL |
5342 | } |
5343 | ||
5344 | int SSL_CTX_load_verify_dir(SSL_CTX *ctx, const char *CApath) | |
5345 | { | |
5346 | return X509_STORE_load_path(ctx->cert_store, CApath); | |
5347 | } | |
5348 | ||
5349 | int SSL_CTX_load_verify_store(SSL_CTX *ctx, const char *CAstore) | |
5350 | { | |
d8652be0 MC |
5351 | return X509_STORE_load_store_ex(ctx->cert_store, CAstore, ctx->libctx, |
5352 | ctx->propq); | |
6dcb100f RL |
5353 | } |
5354 | ||
303c0028 | 5355 | int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile, |
0f113f3e MC |
5356 | const char *CApath) |
5357 | { | |
6dcb100f RL |
5358 | if (CAfile == NULL && CApath == NULL) |
5359 | return 0; | |
5360 | if (CAfile != NULL && !SSL_CTX_load_verify_file(ctx, CAfile)) | |
5361 | return 0; | |
5362 | if (CApath != NULL && !SSL_CTX_load_verify_dir(ctx, CApath)) | |
5363 | return 0; | |
5364 | return 1; | |
0f113f3e | 5365 | } |
58964a49 | 5366 | |
45d87a1f | 5367 | void SSL_set_info_callback(SSL *ssl, |
0f113f3e MC |
5368 | void (*cb) (const SSL *ssl, int type, int val)) |
5369 | { | |
38b051a1 TM |
5370 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
5371 | ||
5372 | if (sc == NULL) | |
5373 | return; | |
5374 | ||
5375 | sc->info_callback = cb; | |
0f113f3e MC |
5376 | } |
5377 | ||
5378 | /* | |
5379 | * One compiler (Diab DCC) doesn't like argument names in returned function | |
5380 | * pointer. | |
5381 | */ | |
5382 | void (*SSL_get_info_callback(const SSL *ssl)) (const SSL * /* ssl */ , | |
5383 | int /* type */ , | |
5384 | int /* val */ ) { | |
38b051a1 TM |
5385 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl); |
5386 | ||
5387 | if (sc == NULL) | |
5388 | return NULL; | |
5389 | ||
5390 | return sc->info_callback; | |
0f113f3e | 5391 | } |
58964a49 | 5392 | |
0f113f3e MC |
5393 | void SSL_set_verify_result(SSL *ssl, long arg) |
5394 | { | |
38b051a1 TM |
5395 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
5396 | ||
5397 | if (sc == NULL) | |
5398 | return; | |
5399 | ||
5400 | sc->verify_result = arg; | |
0f113f3e | 5401 | } |
58964a49 | 5402 | |
0821bcd4 | 5403 | long SSL_get_verify_result(const SSL *ssl) |
0f113f3e | 5404 | { |
38b051a1 TM |
5405 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl); |
5406 | ||
5407 | if (sc == NULL) | |
5408 | return 0; | |
5409 | ||
5410 | return sc->verify_result; | |
0f113f3e MC |
5411 | } |
5412 | ||
d9f1c639 | 5413 | size_t SSL_get_client_random(const SSL *ssl, unsigned char *out, size_t outlen) |
858618e7 | 5414 | { |
38b051a1 TM |
5415 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl); |
5416 | ||
5417 | if (sc == NULL) | |
5418 | return 0; | |
5419 | ||
6b8f5d0d | 5420 | if (outlen == 0) |
38b051a1 TM |
5421 | return sizeof(sc->s3.client_random); |
5422 | if (outlen > sizeof(sc->s3.client_random)) | |
5423 | outlen = sizeof(sc->s3.client_random); | |
5424 | memcpy(out, sc->s3.client_random, outlen); | |
d9f1c639 | 5425 | return outlen; |
858618e7 NM |
5426 | } |
5427 | ||
d9f1c639 | 5428 | size_t SSL_get_server_random(const SSL *ssl, unsigned char *out, size_t outlen) |
858618e7 | 5429 | { |
38b051a1 TM |
5430 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl); |
5431 | ||
5432 | if (sc == NULL) | |
5433 | return 0; | |
5434 | ||
6b8f5d0d | 5435 | if (outlen == 0) |
38b051a1 TM |
5436 | return sizeof(sc->s3.server_random); |
5437 | if (outlen > sizeof(sc->s3.server_random)) | |
5438 | outlen = sizeof(sc->s3.server_random); | |
5439 | memcpy(out, sc->s3.server_random, outlen); | |
d9f1c639 | 5440 | return outlen; |
858618e7 NM |
5441 | } |
5442 | ||
d9f1c639 | 5443 | size_t SSL_SESSION_get_master_key(const SSL_SESSION *session, |
a230b26e | 5444 | unsigned char *out, size_t outlen) |
858618e7 | 5445 | { |
d9f1c639 MC |
5446 | if (outlen == 0) |
5447 | return session->master_key_length; | |
8c1a5343 | 5448 | if (outlen > session->master_key_length) |
858618e7 NM |
5449 | outlen = session->master_key_length; |
5450 | memcpy(out, session->master_key, outlen); | |
d9f1c639 | 5451 | return outlen; |
858618e7 NM |
5452 | } |
5453 | ||
725b0f1e | 5454 | int SSL_SESSION_set1_master_key(SSL_SESSION *sess, const unsigned char *in, |
911d63f2 MC |
5455 | size_t len) |
5456 | { | |
5457 | if (len > sizeof(sess->master_key)) | |
5458 | return 0; | |
5459 | ||
5460 | memcpy(sess->master_key, in, len); | |
5461 | sess->master_key_length = len; | |
911d63f2 MC |
5462 | return 1; |
5463 | } | |
5464 | ||
5465 | ||
0f113f3e MC |
5466 | int SSL_set_ex_data(SSL *s, int idx, void *arg) |
5467 | { | |
26a7d938 | 5468 | return CRYPTO_set_ex_data(&s->ex_data, idx, arg); |
0f113f3e MC |
5469 | } |
5470 | ||
5471 | void *SSL_get_ex_data(const SSL *s, int idx) | |
5472 | { | |
26a7d938 | 5473 | return CRYPTO_get_ex_data(&s->ex_data, idx); |
0f113f3e MC |
5474 | } |
5475 | ||
0f113f3e MC |
5476 | int SSL_CTX_set_ex_data(SSL_CTX *s, int idx, void *arg) |
5477 | { | |
26a7d938 | 5478 | return CRYPTO_set_ex_data(&s->ex_data, idx, arg); |
0f113f3e MC |
5479 | } |
5480 | ||
5481 | void *SSL_CTX_get_ex_data(const SSL_CTX *s, int idx) | |
5482 | { | |
26a7d938 | 5483 | return CRYPTO_get_ex_data(&s->ex_data, idx); |
0f113f3e | 5484 | } |
58964a49 | 5485 | |
0821bcd4 | 5486 | X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx) |
0f113f3e | 5487 | { |
26a7d938 | 5488 | return ctx->cert_store; |
0f113f3e | 5489 | } |
413c4f45 | 5490 | |
0f113f3e MC |
5491 | void SSL_CTX_set_cert_store(SSL_CTX *ctx, X509_STORE *store) |
5492 | { | |
222561fe | 5493 | X509_STORE_free(ctx->cert_store); |
0f113f3e MC |
5494 | ctx->cert_store = store; |
5495 | } | |
413c4f45 | 5496 | |
b50052db TS |
5497 | void SSL_CTX_set1_cert_store(SSL_CTX *ctx, X509_STORE *store) |
5498 | { | |
5499 | if (store != NULL) | |
5500 | X509_STORE_up_ref(store); | |
5501 | SSL_CTX_set_cert_store(ctx, store); | |
5502 | } | |
5503 | ||
0821bcd4 | 5504 | int SSL_want(const SSL *s) |
0f113f3e | 5505 | { |
38b051a1 TM |
5506 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5507 | ||
5debf070 HL |
5508 | #ifndef OPENSSL_NO_QUIC |
5509 | if (IS_QUIC(s)) | |
5510 | return ossl_quic_want(s); | |
5511 | #endif | |
5512 | ||
38b051a1 TM |
5513 | if (sc == NULL) |
5514 | return SSL_NOTHING; | |
5515 | ||
5516 | return sc->rwstate; | |
0f113f3e | 5517 | } |
413c4f45 | 5518 | |
ddac1974 NL |
5519 | #ifndef OPENSSL_NO_PSK |
5520 | int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint) | |
0f113f3e MC |
5521 | { |
5522 | if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) { | |
6849b73c | 5523 | ERR_raise(ERR_LIB_SSL, SSL_R_DATA_LENGTH_TOO_LONG); |
0f113f3e MC |
5524 | return 0; |
5525 | } | |
df6da24b | 5526 | OPENSSL_free(ctx->cert->psk_identity_hint); |
0f113f3e | 5527 | if (identity_hint != NULL) { |
7644a9ae | 5528 | ctx->cert->psk_identity_hint = OPENSSL_strdup(identity_hint); |
df6da24b | 5529 | if (ctx->cert->psk_identity_hint == NULL) |
0f113f3e MC |
5530 | return 0; |
5531 | } else | |
df6da24b | 5532 | ctx->cert->psk_identity_hint = NULL; |
0f113f3e MC |
5533 | return 1; |
5534 | } | |
ddac1974 NL |
5535 | |
5536 | int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint) | |
0f113f3e | 5537 | { |
38b051a1 TM |
5538 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5539 | ||
5540 | if (sc == NULL) | |
0f113f3e MC |
5541 | return 0; |
5542 | ||
0f113f3e | 5543 | if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) { |
6849b73c | 5544 | ERR_raise(ERR_LIB_SSL, SSL_R_DATA_LENGTH_TOO_LONG); |
0f113f3e MC |
5545 | return 0; |
5546 | } | |
38b051a1 | 5547 | OPENSSL_free(sc->cert->psk_identity_hint); |
0f113f3e | 5548 | if (identity_hint != NULL) { |
38b051a1 TM |
5549 | sc->cert->psk_identity_hint = OPENSSL_strdup(identity_hint); |
5550 | if (sc->cert->psk_identity_hint == NULL) | |
0f113f3e MC |
5551 | return 0; |
5552 | } else | |
38b051a1 | 5553 | sc->cert->psk_identity_hint = NULL; |
0f113f3e MC |
5554 | return 1; |
5555 | } | |
ddac1974 NL |
5556 | |
5557 | const char *SSL_get_psk_identity_hint(const SSL *s) | |
0f113f3e | 5558 | { |
38b051a1 TM |
5559 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5560 | ||
5561 | if (sc == NULL || sc->session == NULL) | |
0f113f3e | 5562 | return NULL; |
38b051a1 TM |
5563 | |
5564 | return sc->session->psk_identity_hint; | |
0f113f3e | 5565 | } |
ddac1974 NL |
5566 | |
5567 | const char *SSL_get_psk_identity(const SSL *s) | |
0f113f3e | 5568 | { |
38b051a1 TM |
5569 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5570 | ||
5571 | if (sc == NULL || sc->session == NULL) | |
0f113f3e | 5572 | return NULL; |
38b051a1 TM |
5573 | |
5574 | return sc->session->psk_identity; | |
0f113f3e | 5575 | } |
7806f3dd | 5576 | |
8cbfcc70 | 5577 | void SSL_set_psk_client_callback(SSL *s, SSL_psk_client_cb_func cb) |
0f113f3e | 5578 | { |
38b051a1 TM |
5579 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5580 | ||
5581 | if (sc == NULL) | |
5582 | return; | |
5583 | ||
5584 | sc->psk_client_callback = cb; | |
0f113f3e | 5585 | } |
7806f3dd | 5586 | |
8cbfcc70 | 5587 | void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx, SSL_psk_client_cb_func cb) |
0f113f3e MC |
5588 | { |
5589 | ctx->psk_client_callback = cb; | |
5590 | } | |
7806f3dd | 5591 | |
8cbfcc70 | 5592 | void SSL_set_psk_server_callback(SSL *s, SSL_psk_server_cb_func cb) |
0f113f3e | 5593 | { |
38b051a1 TM |
5594 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5595 | ||
5596 | if (sc == NULL) | |
5597 | return; | |
5598 | ||
5599 | sc->psk_server_callback = cb; | |
0f113f3e | 5600 | } |
7806f3dd | 5601 | |
8cbfcc70 | 5602 | void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx, SSL_psk_server_cb_func cb) |
0f113f3e MC |
5603 | { |
5604 | ctx->psk_server_callback = cb; | |
5605 | } | |
5606 | #endif | |
5607 | ||
f46184bd MC |
5608 | void SSL_set_psk_find_session_callback(SSL *s, SSL_psk_find_session_cb_func cb) |
5609 | { | |
38b051a1 TM |
5610 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5611 | ||
5612 | if (sc == NULL) | |
5613 | return; | |
5614 | ||
5615 | sc->psk_find_session_cb = cb; | |
f46184bd MC |
5616 | } |
5617 | ||
5618 | void SSL_CTX_set_psk_find_session_callback(SSL_CTX *ctx, | |
5619 | SSL_psk_find_session_cb_func cb) | |
5620 | { | |
5621 | ctx->psk_find_session_cb = cb; | |
5622 | } | |
5623 | ||
5624 | void SSL_set_psk_use_session_callback(SSL *s, SSL_psk_use_session_cb_func cb) | |
5625 | { | |
38b051a1 TM |
5626 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5627 | ||
5628 | if (sc == NULL) | |
5629 | return; | |
5630 | ||
5631 | sc->psk_use_session_cb = cb; | |
f46184bd MC |
5632 | } |
5633 | ||
5634 | void SSL_CTX_set_psk_use_session_callback(SSL_CTX *ctx, | |
5635 | SSL_psk_use_session_cb_func cb) | |
5636 | { | |
5637 | ctx->psk_use_session_cb = cb; | |
5638 | } | |
5639 | ||
0f113f3e MC |
5640 | void SSL_CTX_set_msg_callback(SSL_CTX *ctx, |
5641 | void (*cb) (int write_p, int version, | |
5642 | int content_type, const void *buf, | |
5643 | size_t len, SSL *ssl, void *arg)) | |
5644 | { | |
5645 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb); | |
5646 | } | |
5647 | ||
5648 | void SSL_set_msg_callback(SSL *ssl, | |
5649 | void (*cb) (int write_p, int version, | |
5650 | int content_type, const void *buf, | |
5651 | size_t len, SSL *ssl, void *arg)) | |
5652 | { | |
5653 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb); | |
5654 | } | |
a661b653 | 5655 | |
7c2d4fee | 5656 | void SSL_CTX_set_not_resumable_session_callback(SSL_CTX *ctx, |
0f113f3e MC |
5657 | int (*cb) (SSL *ssl, |
5658 | int | |
5659 | is_forward_secure)) | |
5660 | { | |
5661 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB, | |
5662 | (void (*)(void))cb); | |
5663 | } | |
5664 | ||
7c2d4fee | 5665 | void SSL_set_not_resumable_session_callback(SSL *ssl, |
0f113f3e MC |
5666 | int (*cb) (SSL *ssl, |
5667 | int is_forward_secure)) | |
5668 | { | |
5669 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB, | |
5670 | (void (*)(void))cb); | |
5671 | } | |
5672 | ||
c649d10d TS |
5673 | void SSL_CTX_set_record_padding_callback(SSL_CTX *ctx, |
5674 | size_t (*cb) (SSL *ssl, int type, | |
5675 | size_t len, void *arg)) | |
5676 | { | |
5677 | ctx->record_padding_cb = cb; | |
5678 | } | |
5679 | ||
5680 | void SSL_CTX_set_record_padding_callback_arg(SSL_CTX *ctx, void *arg) | |
5681 | { | |
5682 | ctx->record_padding_arg = arg; | |
5683 | } | |
5684 | ||
3499327b | 5685 | void *SSL_CTX_get_record_padding_callback_arg(const SSL_CTX *ctx) |
c649d10d TS |
5686 | { |
5687 | return ctx->record_padding_arg; | |
5688 | } | |
5689 | ||
5690 | int SSL_CTX_set_block_padding(SSL_CTX *ctx, size_t block_size) | |
5691 | { | |
6e5550a1 HL |
5692 | if (IS_QUIC_CTX(ctx) && block_size > 1) |
5693 | return 0; | |
5694 | ||
c649d10d TS |
5695 | /* block size of 0 or 1 is basically no padding */ |
5696 | if (block_size == 1) | |
5697 | ctx->block_padding = 0; | |
5698 | else if (block_size <= SSL3_RT_MAX_PLAIN_LENGTH) | |
5699 | ctx->block_padding = block_size; | |
5700 | else | |
5701 | return 0; | |
5702 | return 1; | |
5703 | } | |
5704 | ||
a6d36303 | 5705 | int SSL_set_record_padding_callback(SSL *ssl, |
c649d10d TS |
5706 | size_t (*cb) (SSL *ssl, int type, |
5707 | size_t len, void *arg)) | |
5708 | { | |
a6d36303 | 5709 | BIO *b; |
9562842b | 5710 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(ssl); |
38b051a1 | 5711 | |
9562842b | 5712 | if (sc == NULL) |
38b051a1 | 5713 | return 0; |
a6d36303 VF |
5714 | |
5715 | b = SSL_get_wbio(ssl); | |
5716 | if (b == NULL || !BIO_get_ktls_send(b)) { | |
eb7d6c2a | 5717 | sc->rlayer.record_padding_cb = cb; |
a6d36303 VF |
5718 | return 1; |
5719 | } | |
5720 | return 0; | |
c649d10d TS |
5721 | } |
5722 | ||
5723 | void SSL_set_record_padding_callback_arg(SSL *ssl, void *arg) | |
5724 | { | |
38b051a1 TM |
5725 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
5726 | ||
5727 | if (sc == NULL) | |
5728 | return; | |
5729 | ||
eb7d6c2a | 5730 | sc->rlayer.record_padding_arg = arg; |
c649d10d TS |
5731 | } |
5732 | ||
3499327b | 5733 | void *SSL_get_record_padding_callback_arg(const SSL *ssl) |
c649d10d | 5734 | { |
38b051a1 TM |
5735 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl); |
5736 | ||
5737 | if (sc == NULL) | |
5738 | return NULL; | |
5739 | ||
eb7d6c2a | 5740 | return sc->rlayer.record_padding_arg; |
c649d10d TS |
5741 | } |
5742 | ||
5743 | int SSL_set_block_padding(SSL *ssl, size_t block_size) | |
5744 | { | |
38b051a1 TM |
5745 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
5746 | ||
d6e7ebba | 5747 | if (sc == NULL || (IS_QUIC(ssl) && block_size > 1)) |
38b051a1 TM |
5748 | return 0; |
5749 | ||
c649d10d TS |
5750 | /* block size of 0 or 1 is basically no padding */ |
5751 | if (block_size == 1) | |
eb7d6c2a | 5752 | sc->rlayer.block_padding = 0; |
c649d10d | 5753 | else if (block_size <= SSL3_RT_MAX_PLAIN_LENGTH) |
eb7d6c2a | 5754 | sc->rlayer.block_padding = block_size; |
c649d10d TS |
5755 | else |
5756 | return 0; | |
5757 | return 1; | |
5758 | } | |
5759 | ||
9d0a8bb7 MC |
5760 | int SSL_set_num_tickets(SSL *s, size_t num_tickets) |
5761 | { | |
38b051a1 TM |
5762 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5763 | ||
5764 | if (sc == NULL) | |
5765 | return 0; | |
5766 | ||
5767 | sc->num_tickets = num_tickets; | |
9d0a8bb7 MC |
5768 | |
5769 | return 1; | |
5770 | } | |
5771 | ||
3499327b | 5772 | size_t SSL_get_num_tickets(const SSL *s) |
9d0a8bb7 | 5773 | { |
38b051a1 TM |
5774 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5775 | ||
5776 | if (sc == NULL) | |
5777 | return 0; | |
5778 | ||
5779 | return sc->num_tickets; | |
9d0a8bb7 MC |
5780 | } |
5781 | ||
5782 | int SSL_CTX_set_num_tickets(SSL_CTX *ctx, size_t num_tickets) | |
5783 | { | |
5784 | ctx->num_tickets = num_tickets; | |
5785 | ||
5786 | return 1; | |
5787 | } | |
5788 | ||
3499327b | 5789 | size_t SSL_CTX_get_num_tickets(const SSL_CTX *ctx) |
9d0a8bb7 MC |
5790 | { |
5791 | return ctx->num_tickets; | |
5792 | } | |
5793 | ||
48fbcbac | 5794 | /* Retrieve handshake hashes */ |
38b051a1 TM |
5795 | int ssl_handshake_hash(SSL_CONNECTION *s, |
5796 | unsigned char *out, size_t outlen, | |
8c1a5343 | 5797 | size_t *hashlen) |
48fbcbac | 5798 | { |
6e59a892 | 5799 | EVP_MD_CTX *ctx = NULL; |
555cbb32 | 5800 | EVP_MD_CTX *hdgst = s->s3.handshake_dgst; |
ed576acd | 5801 | int hashleni = EVP_MD_CTX_get_size(hdgst); |
8c1a5343 MC |
5802 | int ret = 0; |
5803 | ||
f63a17d6 | 5804 | if (hashleni < 0 || (size_t)hashleni > outlen) { |
c48ffbcc | 5805 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); |
28ba2541 | 5806 | goto err; |
f63a17d6 | 5807 | } |
8c1a5343 | 5808 | |
bfb0641f | 5809 | ctx = EVP_MD_CTX_new(); |
147ed5f9 TL |
5810 | if (ctx == NULL) { |
5811 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); | |
6e59a892 | 5812 | goto err; |
147ed5f9 | 5813 | } |
8c1a5343 | 5814 | |
6e59a892 | 5815 | if (!EVP_MD_CTX_copy_ex(ctx, hdgst) |
f63a17d6 | 5816 | || EVP_DigestFinal_ex(ctx, out, NULL) <= 0) { |
c48ffbcc | 5817 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); |
8c1a5343 | 5818 | goto err; |
f63a17d6 | 5819 | } |
8c1a5343 MC |
5820 | |
5821 | *hashlen = hashleni; | |
5822 | ||
5823 | ret = 1; | |
48fbcbac | 5824 | err: |
bfb0641f | 5825 | EVP_MD_CTX_free(ctx); |
48fbcbac DSH |
5826 | return ret; |
5827 | } | |
5828 | ||
c04b66b1 | 5829 | int SSL_session_reused(const SSL *s) |
0f113f3e | 5830 | { |
38b051a1 TM |
5831 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5832 | ||
5833 | if (sc == NULL) | |
5834 | return 0; | |
5835 | ||
5836 | return sc->hit; | |
0f113f3e | 5837 | } |
08557cf2 | 5838 | |
69443116 | 5839 | int SSL_is_server(const SSL *s) |
0f113f3e | 5840 | { |
38b051a1 TM |
5841 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5842 | ||
5843 | if (sc == NULL) | |
5844 | return 0; | |
5845 | ||
5846 | return sc->server; | |
0f113f3e | 5847 | } |
87adf1fa | 5848 | |
00db8c60 | 5849 | #ifndef OPENSSL_NO_DEPRECATED_1_1_0 |
47153c72 RS |
5850 | void SSL_set_debug(SSL *s, int debug) |
5851 | { | |
5852 | /* Old function was do-nothing anyway... */ | |
5853 | (void)s; | |
5854 | (void)debug; | |
5855 | } | |
5856 | #endif | |
5857 | ||
b362ccab | 5858 | void SSL_set_security_level(SSL *s, int level) |
0f113f3e | 5859 | { |
38b051a1 TM |
5860 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5861 | ||
5862 | if (sc == NULL) | |
5863 | return; | |
5864 | ||
5865 | sc->cert->sec_level = level; | |
0f113f3e | 5866 | } |
b362ccab DSH |
5867 | |
5868 | int SSL_get_security_level(const SSL *s) | |
0f113f3e | 5869 | { |
38b051a1 TM |
5870 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5871 | ||
5872 | if (sc == NULL) | |
5873 | return 0; | |
5874 | ||
5875 | return sc->cert->sec_level; | |
0f113f3e | 5876 | } |
b362ccab | 5877 | |
0f113f3e | 5878 | void SSL_set_security_callback(SSL *s, |
a230b26e EK |
5879 | int (*cb) (const SSL *s, const SSL_CTX *ctx, |
5880 | int op, int bits, int nid, | |
5881 | void *other, void *ex)) | |
0f113f3e | 5882 | { |
38b051a1 TM |
5883 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5884 | ||
5885 | if (sc == NULL) | |
5886 | return; | |
5887 | ||
5888 | sc->cert->sec_cb = cb; | |
0f113f3e | 5889 | } |
b362ccab | 5890 | |
a230b26e EK |
5891 | int (*SSL_get_security_callback(const SSL *s)) (const SSL *s, |
5892 | const SSL_CTX *ctx, int op, | |
5893 | int bits, int nid, void *other, | |
5894 | void *ex) { | |
38b051a1 TM |
5895 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5896 | ||
5897 | if (sc == NULL) | |
5898 | return NULL; | |
5899 | ||
5900 | return sc->cert->sec_cb; | |
0f113f3e | 5901 | } |
b362ccab DSH |
5902 | |
5903 | void SSL_set0_security_ex_data(SSL *s, void *ex) | |
0f113f3e | 5904 | { |
38b051a1 TM |
5905 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5906 | ||
5907 | if (sc == NULL) | |
5908 | return; | |
5909 | ||
5910 | sc->cert->sec_ex = ex; | |
0f113f3e | 5911 | } |
b362ccab DSH |
5912 | |
5913 | void *SSL_get0_security_ex_data(const SSL *s) | |
0f113f3e | 5914 | { |
38b051a1 TM |
5915 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5916 | ||
5917 | if (sc == NULL) | |
5918 | return NULL; | |
5919 | ||
5920 | return sc->cert->sec_ex; | |
0f113f3e | 5921 | } |
b362ccab DSH |
5922 | |
5923 | void SSL_CTX_set_security_level(SSL_CTX *ctx, int level) | |
0f113f3e MC |
5924 | { |
5925 | ctx->cert->sec_level = level; | |
5926 | } | |
b362ccab DSH |
5927 | |
5928 | int SSL_CTX_get_security_level(const SSL_CTX *ctx) | |
0f113f3e MC |
5929 | { |
5930 | return ctx->cert->sec_level; | |
5931 | } | |
b362ccab | 5932 | |
0f113f3e | 5933 | void SSL_CTX_set_security_callback(SSL_CTX *ctx, |
a230b26e EK |
5934 | int (*cb) (const SSL *s, const SSL_CTX *ctx, |
5935 | int op, int bits, int nid, | |
5936 | void *other, void *ex)) | |
0f113f3e MC |
5937 | { |
5938 | ctx->cert->sec_cb = cb; | |
5939 | } | |
b362ccab | 5940 | |
e4646a89 KR |
5941 | int (*SSL_CTX_get_security_callback(const SSL_CTX *ctx)) (const SSL *s, |
5942 | const SSL_CTX *ctx, | |
0f113f3e MC |
5943 | int op, int bits, |
5944 | int nid, | |
5945 | void *other, | |
5946 | void *ex) { | |
5947 | return ctx->cert->sec_cb; | |
5948 | } | |
b362ccab DSH |
5949 | |
5950 | void SSL_CTX_set0_security_ex_data(SSL_CTX *ctx, void *ex) | |
0f113f3e MC |
5951 | { |
5952 | ctx->cert->sec_ex = ex; | |
5953 | } | |
b362ccab DSH |
5954 | |
5955 | void *SSL_CTX_get0_security_ex_data(const SSL_CTX *ctx) | |
0f113f3e MC |
5956 | { |
5957 | return ctx->cert->sec_ex; | |
5958 | } | |
b362ccab | 5959 | |
56bd1783 | 5960 | uint64_t SSL_CTX_get_options(const SSL_CTX *ctx) |
8106cb8b VD |
5961 | { |
5962 | return ctx->options; | |
5963 | } | |
a230b26e | 5964 | |
56bd1783 | 5965 | uint64_t SSL_get_options(const SSL *s) |
8106cb8b | 5966 | { |
38b051a1 TM |
5967 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5968 | ||
f0d9757c HL |
5969 | #ifndef OPENSSL_NO_QUIC |
5970 | if (IS_QUIC(s)) | |
5971 | return ossl_quic_get_options(s); | |
5972 | #endif | |
5973 | ||
38b051a1 TM |
5974 | if (sc == NULL) |
5975 | return 0; | |
5976 | ||
5977 | return sc->options; | |
8106cb8b | 5978 | } |
a230b26e | 5979 | |
56bd1783 | 5980 | uint64_t SSL_CTX_set_options(SSL_CTX *ctx, uint64_t op) |
8106cb8b VD |
5981 | { |
5982 | return ctx->options |= op; | |
5983 | } | |
a230b26e | 5984 | |
56bd1783 | 5985 | uint64_t SSL_set_options(SSL *s, uint64_t op) |
8106cb8b | 5986 | { |
a02571a0 | 5987 | SSL_CONNECTION *sc; |
4566dae7 | 5988 | OSSL_PARAM options[2], *opts = options; |
38b051a1 | 5989 | |
a02571a0 | 5990 | #ifndef OPENSSL_NO_QUIC |
f0d9757c HL |
5991 | if (IS_QUIC(s)) |
5992 | return ossl_quic_set_options(s, op); | |
a02571a0 TM |
5993 | #endif |
5994 | ||
f0d9757c HL |
5995 | sc = SSL_CONNECTION_FROM_SSL(s); |
5996 | if (sc == NULL) | |
38b051a1 TM |
5997 | return 0; |
5998 | ||
4566dae7 MC |
5999 | sc->options |= op; |
6000 | ||
6001 | *opts++ = OSSL_PARAM_construct_uint64(OSSL_LIBSSL_RECORD_LAYER_PARAM_OPTIONS, | |
6002 | &sc->options); | |
6003 | *opts = OSSL_PARAM_construct_end(); | |
6004 | ||
6005 | /* Ignore return value */ | |
6006 | sc->rlayer.rrlmethod->set_options(sc->rlayer.rrl, options); | |
e8e95f20 | 6007 | sc->rlayer.wrlmethod->set_options(sc->rlayer.wrl, options); |
4566dae7 MC |
6008 | |
6009 | return sc->options; | |
8106cb8b | 6010 | } |
a230b26e | 6011 | |
56bd1783 | 6012 | uint64_t SSL_CTX_clear_options(SSL_CTX *ctx, uint64_t op) |
8106cb8b VD |
6013 | { |
6014 | return ctx->options &= ~op; | |
6015 | } | |
a230b26e | 6016 | |
56bd1783 | 6017 | uint64_t SSL_clear_options(SSL *s, uint64_t op) |
8106cb8b | 6018 | { |
38b051a1 | 6019 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
e8e95f20 | 6020 | OSSL_PARAM options[2], *opts = options; |
38b051a1 | 6021 | |
f0d9757c HL |
6022 | #ifndef OPENSSL_NO_QUIC |
6023 | if (IS_QUIC(s)) | |
6024 | return ossl_quic_clear_options(s, op); | |
6025 | #endif | |
6026 | ||
38b051a1 TM |
6027 | if (sc == NULL) |
6028 | return 0; | |
6029 | ||
e8e95f20 | 6030 | sc->options &= ~op; |
6031 | ||
6032 | *opts++ = OSSL_PARAM_construct_uint64(OSSL_LIBSSL_RECORD_LAYER_PARAM_OPTIONS, | |
6033 | &sc->options); | |
6034 | *opts = OSSL_PARAM_construct_end(); | |
6035 | ||
6036 | /* Ignore return value */ | |
6037 | sc->rlayer.rrlmethod->set_options(sc->rlayer.rrl, options); | |
6038 | sc->rlayer.wrlmethod->set_options(sc->rlayer.wrl, options); | |
6039 | ||
6040 | return sc->options; | |
8106cb8b VD |
6041 | } |
6042 | ||
696178ed DSH |
6043 | STACK_OF(X509) *SSL_get0_verified_chain(const SSL *s) |
6044 | { | |
38b051a1 TM |
6045 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
6046 | ||
6047 | if (sc == NULL) | |
6048 | return NULL; | |
6049 | ||
6050 | return sc->verified_chain; | |
696178ed DSH |
6051 | } |
6052 | ||
0f113f3e | 6053 | IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); |
ed29e82a RP |
6054 | |
6055 | #ifndef OPENSSL_NO_CT | |
6056 | ||
6057 | /* | |
6058 | * Moves SCTs from the |src| stack to the |dst| stack. | |
6059 | * The source of each SCT will be set to |origin|. | |
6060 | * If |dst| points to a NULL pointer, a new stack will be created and owned by | |
6061 | * the caller. | |
6062 | * Returns the number of SCTs moved, or a negative integer if an error occurs. | |
a435d786 BE |
6063 | * The |dst| stack is created and possibly partially populated even in case |
6064 | * of error, likewise the |src| stack may be left in an intermediate state. | |
ed29e82a | 6065 | */ |
a230b26e EK |
6066 | static int ct_move_scts(STACK_OF(SCT) **dst, STACK_OF(SCT) *src, |
6067 | sct_source_t origin) | |
ed29e82a RP |
6068 | { |
6069 | int scts_moved = 0; | |
6070 | SCT *sct = NULL; | |
6071 | ||
6072 | if (*dst == NULL) { | |
6073 | *dst = sk_SCT_new_null(); | |
6074 | if (*dst == NULL) { | |
e077455e | 6075 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
ed29e82a RP |
6076 | goto err; |
6077 | } | |
6078 | } | |
6079 | ||
a8086e6b | 6080 | while ((sct = sk_SCT_pop(src)) != NULL) { |
ed29e82a RP |
6081 | if (SCT_set_source(sct, origin) != 1) |
6082 | goto err; | |
6083 | ||
a435d786 | 6084 | if (!sk_SCT_push(*dst, sct)) |
ed29e82a RP |
6085 | goto err; |
6086 | scts_moved += 1; | |
6087 | } | |
6088 | ||
6089 | return scts_moved; | |
a230b26e | 6090 | err: |
a435d786 | 6091 | SCT_free(sct); |
cc7113e8 | 6092 | return -1; |
ed29e82a RP |
6093 | } |
6094 | ||
6095 | /* | |
a230b26e | 6096 | * Look for data collected during ServerHello and parse if found. |
6b13bd1d | 6097 | * Returns the number of SCTs extracted. |
a230b26e | 6098 | */ |
38b051a1 | 6099 | static int ct_extract_tls_extension_scts(SSL_CONNECTION *s) |
ed29e82a RP |
6100 | { |
6101 | int scts_extracted = 0; | |
6102 | ||
aff8c126 RS |
6103 | if (s->ext.scts != NULL) { |
6104 | const unsigned char *p = s->ext.scts; | |
6105 | STACK_OF(SCT) *scts = o2i_SCT_LIST(NULL, &p, s->ext.scts_len); | |
ed29e82a RP |
6106 | |
6107 | scts_extracted = ct_move_scts(&s->scts, scts, SCT_SOURCE_TLS_EXTENSION); | |
6108 | ||
6109 | SCT_LIST_free(scts); | |
6110 | } | |
6111 | ||
6112 | return scts_extracted; | |
6113 | } | |
6114 | ||
6115 | /* | |
6116 | * Checks for an OCSP response and then attempts to extract any SCTs found if it | |
6117 | * contains an SCT X509 extension. They will be stored in |s->scts|. | |
6118 | * Returns: | |
6119 | * - The number of SCTs extracted, assuming an OCSP response exists. | |
6120 | * - 0 if no OCSP response exists or it contains no SCTs. | |
6121 | * - A negative integer if an error occurs. | |
6122 | */ | |
38b051a1 | 6123 | static int ct_extract_ocsp_response_scts(SSL_CONNECTION *s) |
ed29e82a | 6124 | { |
a230b26e | 6125 | # ifndef OPENSSL_NO_OCSP |
ed29e82a RP |
6126 | int scts_extracted = 0; |
6127 | const unsigned char *p; | |
6128 | OCSP_BASICRESP *br = NULL; | |
6129 | OCSP_RESPONSE *rsp = NULL; | |
6130 | STACK_OF(SCT) *scts = NULL; | |
6131 | int i; | |
6132 | ||
aff8c126 | 6133 | if (s->ext.ocsp.resp == NULL || s->ext.ocsp.resp_len == 0) |
ed29e82a RP |
6134 | goto err; |
6135 | ||
aff8c126 RS |
6136 | p = s->ext.ocsp.resp; |
6137 | rsp = d2i_OCSP_RESPONSE(NULL, &p, (int)s->ext.ocsp.resp_len); | |
ed29e82a RP |
6138 | if (rsp == NULL) |
6139 | goto err; | |
6140 | ||
6141 | br = OCSP_response_get1_basic(rsp); | |
6142 | if (br == NULL) | |
6143 | goto err; | |
6144 | ||
6145 | for (i = 0; i < OCSP_resp_count(br); ++i) { | |
6146 | OCSP_SINGLERESP *single = OCSP_resp_get0(br, i); | |
6147 | ||
6148 | if (single == NULL) | |
6149 | continue; | |
6150 | ||
a230b26e EK |
6151 | scts = |
6152 | OCSP_SINGLERESP_get1_ext_d2i(single, NID_ct_cert_scts, NULL, NULL); | |
6153 | scts_extracted = | |
6154 | ct_move_scts(&s->scts, scts, SCT_SOURCE_OCSP_STAPLED_RESPONSE); | |
ed29e82a RP |
6155 | if (scts_extracted < 0) |
6156 | goto err; | |
6157 | } | |
a230b26e | 6158 | err: |
ed29e82a RP |
6159 | SCT_LIST_free(scts); |
6160 | OCSP_BASICRESP_free(br); | |
6161 | OCSP_RESPONSE_free(rsp); | |
6162 | return scts_extracted; | |
a230b26e | 6163 | # else |
3e41ac35 MC |
6164 | /* Behave as if no OCSP response exists */ |
6165 | return 0; | |
a230b26e | 6166 | # endif |
ed29e82a RP |
6167 | } |
6168 | ||
6169 | /* | |
6170 | * Attempts to extract SCTs from the peer certificate. | |
6171 | * Return the number of SCTs extracted, or a negative integer if an error | |
6172 | * occurs. | |
6173 | */ | |
38b051a1 | 6174 | static int ct_extract_x509v3_extension_scts(SSL_CONNECTION *s) |
ed29e82a RP |
6175 | { |
6176 | int scts_extracted = 0; | |
3f3c7d26 | 6177 | X509 *cert = s->session != NULL ? s->session->peer : NULL; |
ed29e82a RP |
6178 | |
6179 | if (cert != NULL) { | |
6180 | STACK_OF(SCT) *scts = | |
6181 | X509_get_ext_d2i(cert, NID_ct_precert_scts, NULL, NULL); | |
6182 | ||
6183 | scts_extracted = | |
6184 | ct_move_scts(&s->scts, scts, SCT_SOURCE_X509V3_EXTENSION); | |
6185 | ||
6186 | SCT_LIST_free(scts); | |
6187 | } | |
6188 | ||
6189 | return scts_extracted; | |
6190 | } | |
6191 | ||
6192 | /* | |
6193 | * Attempts to find all received SCTs by checking TLS extensions, the OCSP | |
6194 | * response (if it exists) and X509v3 extensions in the certificate. | |
6195 | * Returns NULL if an error occurs. | |
6196 | */ | |
6197 | const STACK_OF(SCT) *SSL_get0_peer_scts(SSL *s) | |
6198 | { | |
38b051a1 TM |
6199 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6200 | ||
6201 | if (sc == NULL) | |
6202 | return NULL; | |
6203 | ||
6204 | if (!sc->scts_parsed) { | |
6205 | if (ct_extract_tls_extension_scts(sc) < 0 || | |
6206 | ct_extract_ocsp_response_scts(sc) < 0 || | |
6207 | ct_extract_x509v3_extension_scts(sc) < 0) | |
ed29e82a RP |
6208 | goto err; |
6209 | ||
38b051a1 | 6210 | sc->scts_parsed = 1; |
ed29e82a | 6211 | } |
38b051a1 | 6212 | return sc->scts; |
a230b26e | 6213 | err: |
ed29e82a RP |
6214 | return NULL; |
6215 | } | |
6216 | ||
bbaeadb0 | 6217 | static int ct_permissive(const CT_POLICY_EVAL_CTX *ctx, |
43341433 | 6218 | const STACK_OF(SCT) *scts, void *unused_arg) |
ed29e82a | 6219 | { |
43341433 VD |
6220 | return 1; |
6221 | } | |
6222 | ||
bbaeadb0 | 6223 | static int ct_strict(const CT_POLICY_EVAL_CTX *ctx, |
43341433 VD |
6224 | const STACK_OF(SCT) *scts, void *unused_arg) |
6225 | { | |
6226 | int count = scts != NULL ? sk_SCT_num(scts) : 0; | |
6227 | int i; | |
ed29e82a | 6228 | |
43341433 VD |
6229 | for (i = 0; i < count; ++i) { |
6230 | SCT *sct = sk_SCT_value(scts, i); | |
6231 | int status = SCT_get_validation_status(sct); | |
6232 | ||
6233 | if (status == SCT_VALIDATION_STATUS_VALID) | |
6234 | return 1; | |
6235 | } | |
6849b73c | 6236 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_VALID_SCTS); |
43341433 VD |
6237 | return 0; |
6238 | } | |
6239 | ||
6240 | int SSL_set_ct_validation_callback(SSL *s, ssl_ct_validation_cb callback, | |
6241 | void *arg) | |
6242 | { | |
38b051a1 TM |
6243 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6244 | ||
6245 | if (sc == NULL) | |
6246 | return 0; | |
6247 | ||
ed29e82a RP |
6248 | /* |
6249 | * Since code exists that uses the custom extension handler for CT, look | |
6250 | * for this and throw an error if they have already registered to use CT. | |
6251 | */ | |
6252 | if (callback != NULL && SSL_CTX_has_client_custom_ext(s->ctx, | |
a230b26e EK |
6253 | TLSEXT_TYPE_signed_certificate_timestamp)) |
6254 | { | |
6849b73c | 6255 | ERR_raise(ERR_LIB_SSL, SSL_R_CUSTOM_EXT_HANDLER_ALREADY_INSTALLED); |
43341433 | 6256 | return 0; |
ed29e82a RP |
6257 | } |
6258 | ||
ed29e82a | 6259 | if (callback != NULL) { |
a230b26e EK |
6260 | /* |
6261 | * If we are validating CT, then we MUST accept SCTs served via OCSP | |
6262 | */ | |
ed29e82a | 6263 | if (!SSL_set_tlsext_status_type(s, TLSEXT_STATUSTYPE_ocsp)) |
43341433 | 6264 | return 0; |
ed29e82a RP |
6265 | } |
6266 | ||
38b051a1 TM |
6267 | sc->ct_validation_callback = callback; |
6268 | sc->ct_validation_callback_arg = arg; | |
43341433 VD |
6269 | |
6270 | return 1; | |
ed29e82a RP |
6271 | } |
6272 | ||
43341433 | 6273 | int SSL_CTX_set_ct_validation_callback(SSL_CTX *ctx, |
a230b26e | 6274 | ssl_ct_validation_cb callback, void *arg) |
ed29e82a | 6275 | { |
ed29e82a RP |
6276 | /* |
6277 | * Since code exists that uses the custom extension handler for CT, look for | |
6278 | * this and throw an error if they have already registered to use CT. | |
6279 | */ | |
6280 | if (callback != NULL && SSL_CTX_has_client_custom_ext(ctx, | |
a230b26e EK |
6281 | TLSEXT_TYPE_signed_certificate_timestamp)) |
6282 | { | |
6849b73c | 6283 | ERR_raise(ERR_LIB_SSL, SSL_R_CUSTOM_EXT_HANDLER_ALREADY_INSTALLED); |
43341433 | 6284 | return 0; |
ed29e82a RP |
6285 | } |
6286 | ||
6287 | ctx->ct_validation_callback = callback; | |
6288 | ctx->ct_validation_callback_arg = arg; | |
43341433 | 6289 | return 1; |
ed29e82a RP |
6290 | } |
6291 | ||
43341433 | 6292 | int SSL_ct_is_enabled(const SSL *s) |
ed29e82a | 6293 | { |
38b051a1 TM |
6294 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
6295 | ||
6296 | if (sc == NULL) | |
6297 | return 0; | |
6298 | ||
6299 | return sc->ct_validation_callback != NULL; | |
ed29e82a RP |
6300 | } |
6301 | ||
43341433 | 6302 | int SSL_CTX_ct_is_enabled(const SSL_CTX *ctx) |
ed29e82a | 6303 | { |
43341433 | 6304 | return ctx->ct_validation_callback != NULL; |
ed29e82a RP |
6305 | } |
6306 | ||
38b051a1 | 6307 | int ssl_validate_ct(SSL_CONNECTION *s) |
ed29e82a RP |
6308 | { |
6309 | int ret = 0; | |
3f3c7d26 | 6310 | X509 *cert = s->session != NULL ? s->session->peer : NULL; |
43341433 | 6311 | X509 *issuer; |
b9aec69a | 6312 | SSL_DANE *dane = &s->dane; |
ed29e82a RP |
6313 | CT_POLICY_EVAL_CTX *ctx = NULL; |
6314 | const STACK_OF(SCT) *scts; | |
6315 | ||
43341433 VD |
6316 | /* |
6317 | * If no callback is set, the peer is anonymous, or its chain is invalid, | |
6318 | * skip SCT validation - just return success. Applications that continue | |
6319 | * handshakes without certificates, with unverified chains, or pinned leaf | |
6320 | * certificates are outside the scope of the WebPKI and CT. | |
6321 | * | |
6322 | * The above exclusions notwithstanding the vast majority of peers will | |
6323 | * have rather ordinary certificate chains validated by typical | |
6324 | * applications that perform certificate verification and therefore will | |
6325 | * process SCTs when enabled. | |
6326 | */ | |
6327 | if (s->ct_validation_callback == NULL || cert == NULL || | |
6328 | s->verify_result != X509_V_OK || | |
a230b26e | 6329 | s->verified_chain == NULL || sk_X509_num(s->verified_chain) <= 1) |
ed29e82a RP |
6330 | return 1; |
6331 | ||
43341433 VD |
6332 | /* |
6333 | * CT not applicable for chains validated via DANE-TA(2) or DANE-EE(3) | |
6334 | * trust-anchors. See https://tools.ietf.org/html/rfc7671#section-4.2 | |
6335 | */ | |
6336 | if (DANETLS_ENABLED(dane) && dane->mtlsa != NULL) { | |
6337 | switch (dane->mtlsa->usage) { | |
6338 | case DANETLS_USAGE_DANE_TA: | |
6339 | case DANETLS_USAGE_DANE_EE: | |
6340 | return 1; | |
6341 | } | |
ed29e82a RP |
6342 | } |
6343 | ||
38b051a1 TM |
6344 | ctx = CT_POLICY_EVAL_CTX_new_ex(SSL_CONNECTION_GET_CTX(s)->libctx, |
6345 | SSL_CONNECTION_GET_CTX(s)->propq); | |
ed29e82a | 6346 | if (ctx == NULL) { |
e077455e | 6347 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CT_LIB); |
ed29e82a RP |
6348 | goto end; |
6349 | } | |
6350 | ||
43341433 | 6351 | issuer = sk_X509_value(s->verified_chain, 1); |
a1bb7708 RP |
6352 | CT_POLICY_EVAL_CTX_set1_cert(ctx, cert); |
6353 | CT_POLICY_EVAL_CTX_set1_issuer(ctx, issuer); | |
38b051a1 TM |
6354 | CT_POLICY_EVAL_CTX_set_shared_CTLOG_STORE(ctx, |
6355 | SSL_CONNECTION_GET_CTX(s)->ctlog_store); | |
6a71e06d | 6356 | CT_POLICY_EVAL_CTX_set_time( |
38b051a1 | 6357 | ctx, (uint64_t)SSL_SESSION_get_time(s->session) * 1000); |
ed29e82a | 6358 | |
38b051a1 | 6359 | scts = SSL_get0_peer_scts(SSL_CONNECTION_GET_SSL(s)); |
ed29e82a | 6360 | |
43341433 VD |
6361 | /* |
6362 | * This function returns success (> 0) only when all the SCTs are valid, 0 | |
6363 | * when some are invalid, and < 0 on various internal errors (out of | |
6364 | * memory, etc.). Having some, or even all, invalid SCTs is not sufficient | |
6365 | * reason to abort the handshake, that decision is up to the callback. | |
6366 | * Therefore, we error out only in the unexpected case that the return | |
6367 | * value is negative. | |
6368 | * | |
6369 | * XXX: One might well argue that the return value of this function is an | |
f430ba31 | 6370 | * unfortunate design choice. Its job is only to determine the validation |
43341433 VD |
6371 | * status of each of the provided SCTs. So long as it correctly separates |
6372 | * the wheat from the chaff it should return success. Failure in this case | |
6373 | * ought to correspond to an inability to carry out its duties. | |
6374 | */ | |
6375 | if (SCT_LIST_validate(scts, ctx) < 0) { | |
c48ffbcc | 6376 | SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_SCT_VERIFICATION_FAILED); |
ed29e82a RP |
6377 | goto end; |
6378 | } | |
6379 | ||
6380 | ret = s->ct_validation_callback(ctx, scts, s->ct_validation_callback_arg); | |
6381 | if (ret < 0) | |
a230b26e | 6382 | ret = 0; /* This function returns 0 on failure */ |
f63a17d6 | 6383 | if (!ret) |
c48ffbcc | 6384 | SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_CALLBACK_FAILED); |
ed29e82a | 6385 | |
a230b26e | 6386 | end: |
ed29e82a | 6387 | CT_POLICY_EVAL_CTX_free(ctx); |
f75b34c8 VD |
6388 | /* |
6389 | * With SSL_VERIFY_NONE the session may be cached and re-used despite a | |
6390 | * failure return code here. Also the application may wish the complete | |
6391 | * the handshake, and then disconnect cleanly at a higher layer, after | |
6392 | * checking the verification status of the completed connection. | |
6393 | * | |
6394 | * We therefore force a certificate verification failure which will be | |
6395 | * visible via SSL_get_verify_result() and cached as part of any resumed | |
6396 | * session. | |
6397 | * | |
6398 | * Note: the permissive callback is for information gathering only, always | |
6399 | * returns success, and does not affect verification status. Only the | |
6400 | * strict callback or a custom application-specified callback can trigger | |
6401 | * connection failure or record a verification error. | |
6402 | */ | |
6403 | if (ret <= 0) | |
6404 | s->verify_result = X509_V_ERR_NO_VALID_SCTS; | |
ed29e82a RP |
6405 | return ret; |
6406 | } | |
6407 | ||
43341433 VD |
6408 | int SSL_CTX_enable_ct(SSL_CTX *ctx, int validation_mode) |
6409 | { | |
6410 | switch (validation_mode) { | |
6411 | default: | |
6849b73c | 6412 | ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_CT_VALIDATION_TYPE); |
43341433 VD |
6413 | return 0; |
6414 | case SSL_CT_VALIDATION_PERMISSIVE: | |
6415 | return SSL_CTX_set_ct_validation_callback(ctx, ct_permissive, NULL); | |
6416 | case SSL_CT_VALIDATION_STRICT: | |
6417 | return SSL_CTX_set_ct_validation_callback(ctx, ct_strict, NULL); | |
6418 | } | |
6419 | } | |
6420 | ||
6421 | int SSL_enable_ct(SSL *s, int validation_mode) | |
6422 | { | |
6423 | switch (validation_mode) { | |
6424 | default: | |
6849b73c | 6425 | ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_CT_VALIDATION_TYPE); |
43341433 VD |
6426 | return 0; |
6427 | case SSL_CT_VALIDATION_PERMISSIVE: | |
6428 | return SSL_set_ct_validation_callback(s, ct_permissive, NULL); | |
6429 | case SSL_CT_VALIDATION_STRICT: | |
6430 | return SSL_set_ct_validation_callback(s, ct_strict, NULL); | |
6431 | } | |
6432 | } | |
6433 | ||
ed29e82a RP |
6434 | int SSL_CTX_set_default_ctlog_list_file(SSL_CTX *ctx) |
6435 | { | |
328f36c5 | 6436 | return CTLOG_STORE_load_default_file(ctx->ctlog_store); |
ed29e82a RP |
6437 | } |
6438 | ||
6439 | int SSL_CTX_set_ctlog_list_file(SSL_CTX *ctx, const char *path) | |
6440 | { | |
6441 | return CTLOG_STORE_load_file(ctx->ctlog_store, path); | |
6442 | } | |
6443 | ||
bbaeadb0 | 6444 | void SSL_CTX_set0_ctlog_store(SSL_CTX *ctx, CTLOG_STORE *logs) |
8359b57f RP |
6445 | { |
6446 | CTLOG_STORE_free(ctx->ctlog_store); | |
6447 | ctx->ctlog_store = logs; | |
6448 | } | |
6449 | ||
6450 | const CTLOG_STORE *SSL_CTX_get0_ctlog_store(const SSL_CTX *ctx) | |
6451 | { | |
6452 | return ctx->ctlog_store; | |
6453 | } | |
6454 | ||
6b1bb98f BK |
6455 | #endif /* OPENSSL_NO_CT */ |
6456 | ||
a9c0d8be DB |
6457 | void SSL_CTX_set_client_hello_cb(SSL_CTX *c, SSL_client_hello_cb_fn cb, |
6458 | void *arg) | |
6b1bb98f | 6459 | { |
a9c0d8be DB |
6460 | c->client_hello_cb = cb; |
6461 | c->client_hello_cb_arg = arg; | |
6b1bb98f BK |
6462 | } |
6463 | ||
a9c0d8be | 6464 | int SSL_client_hello_isv2(SSL *s) |
6b1bb98f | 6465 | { |
38b051a1 TM |
6466 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6467 | ||
6468 | if (sc == NULL) | |
6469 | return 0; | |
6470 | ||
6471 | if (sc->clienthello == NULL) | |
6b1bb98f | 6472 | return 0; |
38b051a1 | 6473 | return sc->clienthello->isv2; |
6b1bb98f BK |
6474 | } |
6475 | ||
a9c0d8be | 6476 | unsigned int SSL_client_hello_get0_legacy_version(SSL *s) |
6b1bb98f | 6477 | { |
38b051a1 TM |
6478 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6479 | ||
6480 | if (sc == NULL) | |
6481 | return 0; | |
6482 | ||
6483 | if (sc->clienthello == NULL) | |
6b1bb98f | 6484 | return 0; |
38b051a1 | 6485 | return sc->clienthello->legacy_version; |
6b1bb98f BK |
6486 | } |
6487 | ||
a9c0d8be | 6488 | size_t SSL_client_hello_get0_random(SSL *s, const unsigned char **out) |
6b1bb98f | 6489 | { |
38b051a1 TM |
6490 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6491 | ||
6492 | if (sc == NULL) | |
6493 | return 0; | |
6494 | ||
6495 | if (sc->clienthello == NULL) | |
6b1bb98f BK |
6496 | return 0; |
6497 | if (out != NULL) | |
38b051a1 | 6498 | *out = sc->clienthello->random; |
6b1bb98f BK |
6499 | return SSL3_RANDOM_SIZE; |
6500 | } | |
6501 | ||
a9c0d8be | 6502 | size_t SSL_client_hello_get0_session_id(SSL *s, const unsigned char **out) |
6b1bb98f | 6503 | { |
38b051a1 TM |
6504 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6505 | ||
6506 | if (sc == NULL) | |
6507 | return 0; | |
6508 | ||
6509 | if (sc->clienthello == NULL) | |
6b1bb98f BK |
6510 | return 0; |
6511 | if (out != NULL) | |
38b051a1 TM |
6512 | *out = sc->clienthello->session_id; |
6513 | return sc->clienthello->session_id_len; | |
6b1bb98f BK |
6514 | } |
6515 | ||
a9c0d8be | 6516 | size_t SSL_client_hello_get0_ciphers(SSL *s, const unsigned char **out) |
6b1bb98f | 6517 | { |
38b051a1 TM |
6518 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6519 | ||
6520 | if (sc == NULL) | |
6521 | return 0; | |
6522 | ||
6523 | if (sc->clienthello == NULL) | |
6b1bb98f BK |
6524 | return 0; |
6525 | if (out != NULL) | |
38b051a1 TM |
6526 | *out = PACKET_data(&sc->clienthello->ciphersuites); |
6527 | return PACKET_remaining(&sc->clienthello->ciphersuites); | |
6b1bb98f BK |
6528 | } |
6529 | ||
a9c0d8be | 6530 | size_t SSL_client_hello_get0_compression_methods(SSL *s, const unsigned char **out) |
6b1bb98f | 6531 | { |
38b051a1 TM |
6532 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6533 | ||
6534 | if (sc == NULL) | |
6535 | return 0; | |
6536 | ||
6537 | if (sc->clienthello == NULL) | |
6b1bb98f BK |
6538 | return 0; |
6539 | if (out != NULL) | |
38b051a1 TM |
6540 | *out = sc->clienthello->compressions; |
6541 | return sc->clienthello->compressions_len; | |
6b1bb98f BK |
6542 | } |
6543 | ||
a9c0d8be | 6544 | int SSL_client_hello_get1_extensions_present(SSL *s, int **out, size_t *outlen) |
193b5d76 BK |
6545 | { |
6546 | RAW_EXTENSION *ext; | |
6547 | int *present; | |
6548 | size_t num = 0, i; | |
38b051a1 | 6549 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
193b5d76 | 6550 | |
38b051a1 | 6551 | if (sc == NULL) |
193b5d76 | 6552 | return 0; |
38b051a1 TM |
6553 | |
6554 | if (sc->clienthello == NULL || out == NULL || outlen == NULL) | |
6555 | return 0; | |
6556 | for (i = 0; i < sc->clienthello->pre_proc_exts_len; i++) { | |
6557 | ext = sc->clienthello->pre_proc_exts + i; | |
193b5d76 BK |
6558 | if (ext->present) |
6559 | num++; | |
6560 | } | |
6fda11ae | 6561 | if (num == 0) { |
6562 | *out = NULL; | |
6563 | *outlen = 0; | |
6564 | return 1; | |
6565 | } | |
e077455e | 6566 | if ((present = OPENSSL_malloc(sizeof(*present) * num)) == NULL) |
193b5d76 | 6567 | return 0; |
38b051a1 TM |
6568 | for (i = 0; i < sc->clienthello->pre_proc_exts_len; i++) { |
6569 | ext = sc->clienthello->pre_proc_exts + i; | |
193b5d76 BK |
6570 | if (ext->present) { |
6571 | if (ext->received_order >= num) | |
6572 | goto err; | |
6573 | present[ext->received_order] = ext->type; | |
6574 | } | |
6575 | } | |
6576 | *out = present; | |
6577 | *outlen = num; | |
6578 | return 1; | |
6579 | err: | |
6580 | OPENSSL_free(present); | |
6581 | return 0; | |
6582 | } | |
6583 | ||
13a53fbf PL |
6584 | int SSL_client_hello_get_extension_order(SSL *s, uint16_t *exts, size_t *num_exts) |
6585 | { | |
6586 | RAW_EXTENSION *ext; | |
6587 | size_t num = 0, i; | |
38b051a1 TM |
6588 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6589 | ||
6590 | if (sc == NULL) | |
6591 | return 0; | |
13a53fbf | 6592 | |
38b051a1 | 6593 | if (sc->clienthello == NULL || num_exts == NULL) |
13a53fbf | 6594 | return 0; |
38b051a1 TM |
6595 | for (i = 0; i < sc->clienthello->pre_proc_exts_len; i++) { |
6596 | ext = sc->clienthello->pre_proc_exts + i; | |
13a53fbf PL |
6597 | if (ext->present) |
6598 | num++; | |
6599 | } | |
6600 | if (num == 0) { | |
6601 | *num_exts = 0; | |
6602 | return 1; | |
6603 | } | |
6604 | if (exts == NULL) { | |
6605 | *num_exts = num; | |
6606 | return 1; | |
6607 | } | |
6608 | if (*num_exts < num) | |
6609 | return 0; | |
38b051a1 TM |
6610 | for (i = 0; i < sc->clienthello->pre_proc_exts_len; i++) { |
6611 | ext = sc->clienthello->pre_proc_exts + i; | |
13a53fbf PL |
6612 | if (ext->present) { |
6613 | if (ext->received_order >= num) | |
6614 | return 0; | |
6615 | exts[ext->received_order] = ext->type; | |
6616 | } | |
6617 | } | |
6618 | *num_exts = num; | |
6619 | return 1; | |
6620 | } | |
6621 | ||
a9c0d8be | 6622 | int SSL_client_hello_get0_ext(SSL *s, unsigned int type, const unsigned char **out, |
6b1bb98f BK |
6623 | size_t *outlen) |
6624 | { | |
6625 | size_t i; | |
6626 | RAW_EXTENSION *r; | |
38b051a1 | 6627 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6b1bb98f | 6628 | |
38b051a1 | 6629 | if (sc == NULL) |
6b1bb98f | 6630 | return 0; |
38b051a1 TM |
6631 | |
6632 | if (sc->clienthello == NULL) | |
6633 | return 0; | |
6634 | for (i = 0; i < sc->clienthello->pre_proc_exts_len; ++i) { | |
6635 | r = sc->clienthello->pre_proc_exts + i; | |
6b1bb98f BK |
6636 | if (r->present && r->type == type) { |
6637 | if (out != NULL) | |
6638 | *out = PACKET_data(&r->data); | |
6639 | if (outlen != NULL) | |
6640 | *outlen = PACKET_remaining(&r->data); | |
6641 | return 1; | |
6642 | } | |
6643 | } | |
6644 | return 0; | |
6645 | } | |
2faa1b48 | 6646 | |
a58eb06d TS |
6647 | int SSL_free_buffers(SSL *ssl) |
6648 | { | |
38b051a1 | 6649 | RECORD_LAYER *rl; |
9562842b | 6650 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(ssl); |
38b051a1 TM |
6651 | |
6652 | if (sc == NULL) | |
6653 | return 0; | |
6654 | ||
6655 | rl = &sc->rlayer; | |
a58eb06d | 6656 | |
7eb39ecb MC |
6657 | return rl->rrlmethod->free_buffers(rl->rrl) |
6658 | && rl->wrlmethod->free_buffers(rl->wrl); | |
a58eb06d TS |
6659 | } |
6660 | ||
6661 | int SSL_alloc_buffers(SSL *ssl) | |
6662 | { | |
7eb39ecb | 6663 | RECORD_LAYER *rl; |
38b051a1 TM |
6664 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
6665 | ||
6666 | if (sc == NULL) | |
6667 | return 0; | |
6668 | ||
fe33e2c8 | 6669 | /* QUIC always has buffers allocated. */ |
d6e7ebba | 6670 | if (IS_QUIC(ssl)) |
fe33e2c8 HL |
6671 | return 1; |
6672 | ||
7eb39ecb MC |
6673 | rl = &sc->rlayer; |
6674 | ||
6675 | return rl->rrlmethod->alloc_buffers(rl->rrl) | |
6676 | && rl->wrlmethod->alloc_buffers(rl->wrl); | |
a58eb06d TS |
6677 | } |
6678 | ||
2faa1b48 CB |
6679 | void SSL_CTX_set_keylog_callback(SSL_CTX *ctx, SSL_CTX_keylog_cb_func cb) |
6680 | { | |
6681 | ctx->keylog_callback = cb; | |
6682 | } | |
6683 | ||
6684 | SSL_CTX_keylog_cb_func SSL_CTX_get_keylog_callback(const SSL_CTX *ctx) | |
6685 | { | |
6686 | return ctx->keylog_callback; | |
6687 | } | |
6688 | ||
6689 | static int nss_keylog_int(const char *prefix, | |
38b051a1 | 6690 | SSL_CONNECTION *sc, |
2faa1b48 CB |
6691 | const uint8_t *parameter_1, |
6692 | size_t parameter_1_len, | |
6693 | const uint8_t *parameter_2, | |
6694 | size_t parameter_2_len) | |
6695 | { | |
6696 | char *out = NULL; | |
6697 | char *cursor = NULL; | |
6698 | size_t out_len = 0; | |
6699 | size_t i; | |
6700 | size_t prefix_len; | |
38b051a1 | 6701 | SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(sc); |
2faa1b48 | 6702 | |
38b051a1 | 6703 | if (sctx->keylog_callback == NULL) |
20870286 | 6704 | return 1; |
2faa1b48 CB |
6705 | |
6706 | /* | |
6707 | * Our output buffer will contain the following strings, rendered with | |
6708 | * space characters in between, terminated by a NULL character: first the | |
6709 | * prefix, then the first parameter, then the second parameter. The | |
6710 | * meaning of each parameter depends on the specific key material being | |
6711 | * logged. Note that the first and second parameters are encoded in | |
6712 | * hexadecimal, so we need a buffer that is twice their lengths. | |
6713 | */ | |
6714 | prefix_len = strlen(prefix); | |
e931f370 | 6715 | out_len = prefix_len + (2 * parameter_1_len) + (2 * parameter_2_len) + 3; |
e077455e | 6716 | if ((out = cursor = OPENSSL_malloc(out_len)) == NULL) |
2faa1b48 | 6717 | return 0; |
2faa1b48 CB |
6718 | |
6719 | strcpy(cursor, prefix); | |
6720 | cursor += prefix_len; | |
6721 | *cursor++ = ' '; | |
6722 | ||
6723 | for (i = 0; i < parameter_1_len; i++) { | |
6724 | sprintf(cursor, "%02x", parameter_1[i]); | |
6725 | cursor += 2; | |
6726 | } | |
6727 | *cursor++ = ' '; | |
6728 | ||
6729 | for (i = 0; i < parameter_2_len; i++) { | |
6730 | sprintf(cursor, "%02x", parameter_2[i]); | |
6731 | cursor += 2; | |
6732 | } | |
6733 | *cursor = '\0'; | |
6734 | ||
38b051a1 | 6735 | sctx->keylog_callback(SSL_CONNECTION_GET_SSL(sc), (const char *)out); |
e931f370 | 6736 | OPENSSL_clear_free(out, out_len); |
2faa1b48 CB |
6737 | return 1; |
6738 | ||
6739 | } | |
6740 | ||
38b051a1 | 6741 | int ssl_log_rsa_client_key_exchange(SSL_CONNECTION *sc, |
2faa1b48 CB |
6742 | const uint8_t *encrypted_premaster, |
6743 | size_t encrypted_premaster_len, | |
6744 | const uint8_t *premaster, | |
6745 | size_t premaster_len) | |
6746 | { | |
6747 | if (encrypted_premaster_len < 8) { | |
38b051a1 | 6748 | SSLfatal(sc, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); |
2faa1b48 CB |
6749 | return 0; |
6750 | } | |
6751 | ||
f0deb4d3 | 6752 | /* We only want the first 8 bytes of the encrypted premaster as a tag. */ |
2faa1b48 | 6753 | return nss_keylog_int("RSA", |
38b051a1 | 6754 | sc, |
2faa1b48 | 6755 | encrypted_premaster, |
f0deb4d3 | 6756 | 8, |
2faa1b48 CB |
6757 | premaster, |
6758 | premaster_len); | |
6759 | } | |
6760 | ||
38b051a1 | 6761 | int ssl_log_secret(SSL_CONNECTION *sc, |
2c7bd692 CB |
6762 | const char *label, |
6763 | const uint8_t *secret, | |
6764 | size_t secret_len) | |
2faa1b48 | 6765 | { |
2c7bd692 | 6766 | return nss_keylog_int(label, |
38b051a1 TM |
6767 | sc, |
6768 | sc->s3.client_random, | |
2c7bd692 CB |
6769 | SSL3_RANDOM_SIZE, |
6770 | secret, | |
6771 | secret_len); | |
2faa1b48 CB |
6772 | } |
6773 | ||
ccb8e6e0 BK |
6774 | #define SSLV2_CIPHER_LEN 3 |
6775 | ||
38b051a1 | 6776 | int ssl_cache_cipherlist(SSL_CONNECTION *s, PACKET *cipher_suites, int sslv2format) |
ccb8e6e0 | 6777 | { |
ccb8e6e0 | 6778 | int n; |
ccb8e6e0 BK |
6779 | |
6780 | n = sslv2format ? SSLV2_CIPHER_LEN : TLS_CIPHER_LEN; | |
6781 | ||
6782 | if (PACKET_remaining(cipher_suites) == 0) { | |
c48ffbcc | 6783 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_NO_CIPHERS_SPECIFIED); |
90134d98 | 6784 | return 0; |
ccb8e6e0 BK |
6785 | } |
6786 | ||
6787 | if (PACKET_remaining(cipher_suites) % n != 0) { | |
c48ffbcc | 6788 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST); |
90134d98 | 6789 | return 0; |
ccb8e6e0 BK |
6790 | } |
6791 | ||
555cbb32 TS |
6792 | OPENSSL_free(s->s3.tmp.ciphers_raw); |
6793 | s->s3.tmp.ciphers_raw = NULL; | |
6794 | s->s3.tmp.ciphers_rawlen = 0; | |
ccb8e6e0 BK |
6795 | |
6796 | if (sslv2format) { | |
6797 | size_t numciphers = PACKET_remaining(cipher_suites) / n; | |
6798 | PACKET sslv2ciphers = *cipher_suites; | |
6799 | unsigned int leadbyte; | |
6800 | unsigned char *raw; | |
6801 | ||
6802 | /* | |
6803 | * We store the raw ciphers list in SSLv3+ format so we need to do some | |
6804 | * preprocessing to convert the list first. If there are any SSLv2 only | |
6805 | * ciphersuites with a non-zero leading byte then we are going to | |
6806 | * slightly over allocate because we won't store those. But that isn't a | |
6807 | * problem. | |
6808 | */ | |
6809 | raw = OPENSSL_malloc(numciphers * TLS_CIPHER_LEN); | |
555cbb32 | 6810 | s->s3.tmp.ciphers_raw = raw; |
ccb8e6e0 | 6811 | if (raw == NULL) { |
e077455e | 6812 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB); |
f63a17d6 | 6813 | return 0; |
ccb8e6e0 | 6814 | } |
555cbb32 | 6815 | for (s->s3.tmp.ciphers_rawlen = 0; |
ccb8e6e0 BK |
6816 | PACKET_remaining(&sslv2ciphers) > 0; |
6817 | raw += TLS_CIPHER_LEN) { | |
6818 | if (!PACKET_get_1(&sslv2ciphers, &leadbyte) | |
6819 | || (leadbyte == 0 | |
6820 | && !PACKET_copy_bytes(&sslv2ciphers, raw, | |
6821 | TLS_CIPHER_LEN)) | |
6822 | || (leadbyte != 0 | |
6823 | && !PACKET_forward(&sslv2ciphers, TLS_CIPHER_LEN))) { | |
c48ffbcc | 6824 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_PACKET); |
555cbb32 TS |
6825 | OPENSSL_free(s->s3.tmp.ciphers_raw); |
6826 | s->s3.tmp.ciphers_raw = NULL; | |
6827 | s->s3.tmp.ciphers_rawlen = 0; | |
f63a17d6 | 6828 | return 0; |
ccb8e6e0 BK |
6829 | } |
6830 | if (leadbyte == 0) | |
555cbb32 | 6831 | s->s3.tmp.ciphers_rawlen += TLS_CIPHER_LEN; |
ccb8e6e0 | 6832 | } |
555cbb32 TS |
6833 | } else if (!PACKET_memdup(cipher_suites, &s->s3.tmp.ciphers_raw, |
6834 | &s->s3.tmp.ciphers_rawlen)) { | |
c48ffbcc | 6835 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); |
f63a17d6 | 6836 | return 0; |
ccb8e6e0 | 6837 | } |
90134d98 | 6838 | return 1; |
90134d98 BK |
6839 | } |
6840 | ||
6841 | int SSL_bytes_to_cipher_list(SSL *s, const unsigned char *bytes, size_t len, | |
6842 | int isv2format, STACK_OF(SSL_CIPHER) **sk, | |
6843 | STACK_OF(SSL_CIPHER) **scsvs) | |
6844 | { | |
90134d98 | 6845 | PACKET pkt; |
38b051a1 TM |
6846 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6847 | ||
6848 | if (sc == NULL) | |
6849 | return 0; | |
90134d98 BK |
6850 | |
6851 | if (!PACKET_buf_init(&pkt, bytes, len)) | |
6852 | return 0; | |
38b051a1 | 6853 | return ossl_bytes_to_cipher_list(sc, &pkt, sk, scsvs, isv2format, 0); |
90134d98 BK |
6854 | } |
6855 | ||
38b051a1 TM |
6856 | int ossl_bytes_to_cipher_list(SSL_CONNECTION *s, PACKET *cipher_suites, |
6857 | STACK_OF(SSL_CIPHER) **skp, | |
6858 | STACK_OF(SSL_CIPHER) **scsvs_out, | |
6859 | int sslv2format, int fatal) | |
90134d98 BK |
6860 | { |
6861 | const SSL_CIPHER *c; | |
6862 | STACK_OF(SSL_CIPHER) *sk = NULL; | |
6863 | STACK_OF(SSL_CIPHER) *scsvs = NULL; | |
6864 | int n; | |
6865 | /* 3 = SSLV2_CIPHER_LEN > TLS_CIPHER_LEN = 2. */ | |
6866 | unsigned char cipher[SSLV2_CIPHER_LEN]; | |
6867 | ||
6868 | n = sslv2format ? SSLV2_CIPHER_LEN : TLS_CIPHER_LEN; | |
6869 | ||
6870 | if (PACKET_remaining(cipher_suites) == 0) { | |
f63a17d6 | 6871 | if (fatal) |
c48ffbcc | 6872 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_NO_CIPHERS_SPECIFIED); |
f63a17d6 | 6873 | else |
6849b73c | 6874 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_CIPHERS_SPECIFIED); |
90134d98 BK |
6875 | return 0; |
6876 | } | |
6877 | ||
6878 | if (PACKET_remaining(cipher_suites) % n != 0) { | |
f63a17d6 | 6879 | if (fatal) |
c48ffbcc | 6880 | SSLfatal(s, SSL_AD_DECODE_ERROR, |
f63a17d6 MC |
6881 | SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST); |
6882 | else | |
6849b73c | 6883 | ERR_raise(ERR_LIB_SSL, SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST); |
90134d98 BK |
6884 | return 0; |
6885 | } | |
6886 | ||
6887 | sk = sk_SSL_CIPHER_new_null(); | |
6888 | scsvs = sk_SSL_CIPHER_new_null(); | |
6889 | if (sk == NULL || scsvs == NULL) { | |
f63a17d6 | 6890 | if (fatal) |
e077455e | 6891 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB); |
f63a17d6 | 6892 | else |
e077455e | 6893 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
90134d98 BK |
6894 | goto err; |
6895 | } | |
ccb8e6e0 BK |
6896 | |
6897 | while (PACKET_copy_bytes(cipher_suites, cipher, n)) { | |
6898 | /* | |
6899 | * SSLv3 ciphers wrapped in an SSLv2-compatible ClientHello have the | |
6900 | * first byte set to zero, while true SSLv2 ciphers have a non-zero | |
6901 | * first byte. We don't support any true SSLv2 ciphers, so skip them. | |
6902 | */ | |
6903 | if (sslv2format && cipher[0] != '\0') | |
6904 | continue; | |
6905 | ||
ccb8e6e0 BK |
6906 | /* For SSLv2-compat, ignore leading 0-byte. */ |
6907 | c = ssl_get_cipher_by_char(s, sslv2format ? &cipher[1] : cipher, 1); | |
6908 | if (c != NULL) { | |
90134d98 BK |
6909 | if ((c->valid && !sk_SSL_CIPHER_push(sk, c)) || |
6910 | (!c->valid && !sk_SSL_CIPHER_push(scsvs, c))) { | |
f63a17d6 | 6911 | if (fatal) |
e077455e | 6912 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB); |
f63a17d6 | 6913 | else |
e077455e | 6914 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
ccb8e6e0 BK |
6915 | goto err; |
6916 | } | |
6917 | } | |
6918 | } | |
6919 | if (PACKET_remaining(cipher_suites) > 0) { | |
f63a17d6 | 6920 | if (fatal) |
c48ffbcc | 6921 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_LENGTH); |
f63a17d6 | 6922 | else |
6849b73c | 6923 | ERR_raise(ERR_LIB_SSL, SSL_R_BAD_LENGTH); |
ccb8e6e0 BK |
6924 | goto err; |
6925 | } | |
6926 | ||
90134d98 BK |
6927 | if (skp != NULL) |
6928 | *skp = sk; | |
6929 | else | |
6930 | sk_SSL_CIPHER_free(sk); | |
6931 | if (scsvs_out != NULL) | |
6932 | *scsvs_out = scsvs; | |
6933 | else | |
6934 | sk_SSL_CIPHER_free(scsvs); | |
6935 | return 1; | |
ccb8e6e0 BK |
6936 | err: |
6937 | sk_SSL_CIPHER_free(sk); | |
90134d98 BK |
6938 | sk_SSL_CIPHER_free(scsvs); |
6939 | return 0; | |
ccb8e6e0 | 6940 | } |
3fc8d856 MC |
6941 | |
6942 | int SSL_CTX_set_max_early_data(SSL_CTX *ctx, uint32_t max_early_data) | |
6943 | { | |
6944 | ctx->max_early_data = max_early_data; | |
6945 | ||
6946 | return 1; | |
6947 | } | |
6948 | ||
46dcb945 | 6949 | uint32_t SSL_CTX_get_max_early_data(const SSL_CTX *ctx) |
3fc8d856 MC |
6950 | { |
6951 | return ctx->max_early_data; | |
6952 | } | |
6953 | ||
6954 | int SSL_set_max_early_data(SSL *s, uint32_t max_early_data) | |
6955 | { | |
9562842b | 6956 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
38b051a1 | 6957 | |
9562842b | 6958 | if (sc == NULL) |
38b051a1 TM |
6959 | return 0; |
6960 | ||
6961 | sc->max_early_data = max_early_data; | |
3fc8d856 MC |
6962 | |
6963 | return 1; | |
6964 | } | |
6965 | ||
a8e75d56 | 6966 | uint32_t SSL_get_max_early_data(const SSL *s) |
3fc8d856 | 6967 | { |
38b051a1 TM |
6968 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
6969 | ||
6970 | if (sc == NULL) | |
6971 | return 0; | |
6972 | ||
6973 | return sc->max_early_data; | |
3fc8d856 | 6974 | } |
ae3947de | 6975 | |
4e8548e8 MC |
6976 | int SSL_CTX_set_recv_max_early_data(SSL_CTX *ctx, uint32_t recv_max_early_data) |
6977 | { | |
6978 | ctx->recv_max_early_data = recv_max_early_data; | |
6979 | ||
6980 | return 1; | |
6981 | } | |
6982 | ||
6983 | uint32_t SSL_CTX_get_recv_max_early_data(const SSL_CTX *ctx) | |
6984 | { | |
6985 | return ctx->recv_max_early_data; | |
6986 | } | |
6987 | ||
6988 | int SSL_set_recv_max_early_data(SSL *s, uint32_t recv_max_early_data) | |
6989 | { | |
9562842b | 6990 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
38b051a1 | 6991 | |
9562842b | 6992 | if (sc == NULL) |
38b051a1 TM |
6993 | return 0; |
6994 | ||
6995 | sc->recv_max_early_data = recv_max_early_data; | |
4e8548e8 MC |
6996 | |
6997 | return 1; | |
6998 | } | |
6999 | ||
7000 | uint32_t SSL_get_recv_max_early_data(const SSL *s) | |
7001 | { | |
38b051a1 TM |
7002 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
7003 | ||
7004 | if (sc == NULL) | |
7005 | return 0; | |
7006 | ||
7007 | return sc->recv_max_early_data; | |
4e8548e8 MC |
7008 | } |
7009 | ||
38b051a1 | 7010 | __owur unsigned int ssl_get_max_send_fragment(const SSL_CONNECTION *sc) |
cf72c757 F |
7011 | { |
7012 | /* Return any active Max Fragment Len extension */ | |
38b051a1 TM |
7013 | if (sc->session != NULL && USE_MAX_FRAGMENT_LENGTH_EXT(sc->session)) |
7014 | return GET_MAX_FRAGMENT_LENGTH(sc->session); | |
cf72c757 F |
7015 | |
7016 | /* return current SSL connection setting */ | |
38b051a1 | 7017 | return sc->max_send_fragment; |
cf72c757 F |
7018 | } |
7019 | ||
38b051a1 | 7020 | __owur unsigned int ssl_get_split_send_fragment(const SSL_CONNECTION *sc) |
cf72c757 F |
7021 | { |
7022 | /* Return a value regarding an active Max Fragment Len extension */ | |
38b051a1 TM |
7023 | if (sc->session != NULL && USE_MAX_FRAGMENT_LENGTH_EXT(sc->session) |
7024 | && sc->split_send_fragment > GET_MAX_FRAGMENT_LENGTH(sc->session)) | |
7025 | return GET_MAX_FRAGMENT_LENGTH(sc->session); | |
cf72c757 F |
7026 | |
7027 | /* else limit |split_send_fragment| to current |max_send_fragment| */ | |
38b051a1 TM |
7028 | if (sc->split_send_fragment > sc->max_send_fragment) |
7029 | return sc->max_send_fragment; | |
cf72c757 F |
7030 | |
7031 | /* return current SSL connection setting */ | |
38b051a1 | 7032 | return sc->split_send_fragment; |
cf72c757 | 7033 | } |
042c5753 MC |
7034 | |
7035 | int SSL_stateless(SSL *s) | |
7036 | { | |
7037 | int ret; | |
9562842b | 7038 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
38b051a1 | 7039 | |
9562842b | 7040 | if (sc == NULL) |
38b051a1 | 7041 | return 0; |
042c5753 MC |
7042 | |
7043 | /* Ensure there is no state left over from a previous invocation */ | |
7044 | if (!SSL_clear(s)) | |
d6bb50a5 | 7045 | return 0; |
042c5753 MC |
7046 | |
7047 | ERR_clear_error(); | |
7048 | ||
38b051a1 | 7049 | sc->s3.flags |= TLS1_FLAGS_STATELESS; |
042c5753 | 7050 | ret = SSL_accept(s); |
38b051a1 | 7051 | sc->s3.flags &= ~TLS1_FLAGS_STATELESS; |
042c5753 | 7052 | |
38b051a1 | 7053 | if (ret > 0 && sc->ext.cookieok) |
c36001c3 MC |
7054 | return 1; |
7055 | ||
38b051a1 | 7056 | if (sc->hello_retry_request == SSL_HRR_PENDING && !ossl_statem_in_error(sc)) |
e440f513 MC |
7057 | return 0; |
7058 | ||
7059 | return -1; | |
042c5753 | 7060 | } |
9d75dce3 | 7061 | |
e97be718 MC |
7062 | void SSL_CTX_set_post_handshake_auth(SSL_CTX *ctx, int val) |
7063 | { | |
7064 | ctx->pha_enabled = val; | |
7065 | } | |
7066 | ||
32097b33 | 7067 | void SSL_set_post_handshake_auth(SSL *ssl, int val) |
9d75dce3 | 7068 | { |
9562842b | 7069 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(ssl); |
38b051a1 TM |
7070 | |
7071 | if (sc == NULL) | |
7072 | return; | |
7073 | ||
7074 | sc->pha_enabled = val; | |
9d75dce3 TS |
7075 | } |
7076 | ||
7077 | int SSL_verify_client_post_handshake(SSL *ssl) | |
7078 | { | |
38b051a1 | 7079 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
9ea0e729 | 7080 | |
d6e7ebba HL |
7081 | #ifndef OPENSSL_NO_QUIC |
7082 | if (IS_QUIC(ssl)) { | |
9ea0e729 HL |
7083 | ERR_raise(ERR_LIB_SSL, SSL_R_WRONG_SSL_VERSION); |
7084 | return 0; | |
7085 | } | |
7086 | #endif | |
38b051a1 TM |
7087 | |
7088 | if (sc == NULL) | |
7089 | return 0; | |
7090 | ||
7091 | if (!SSL_CONNECTION_IS_TLS13(sc)) { | |
6849b73c | 7092 | ERR_raise(ERR_LIB_SSL, SSL_R_WRONG_SSL_VERSION); |
9d75dce3 TS |
7093 | return 0; |
7094 | } | |
38b051a1 | 7095 | if (!sc->server) { |
6849b73c | 7096 | ERR_raise(ERR_LIB_SSL, SSL_R_NOT_SERVER); |
9d75dce3 TS |
7097 | return 0; |
7098 | } | |
7099 | ||
7100 | if (!SSL_is_init_finished(ssl)) { | |
6849b73c | 7101 | ERR_raise(ERR_LIB_SSL, SSL_R_STILL_IN_INIT); |
9d75dce3 TS |
7102 | return 0; |
7103 | } | |
7104 | ||
38b051a1 | 7105 | switch (sc->post_handshake_auth) { |
9d75dce3 | 7106 | case SSL_PHA_NONE: |
6849b73c | 7107 | ERR_raise(ERR_LIB_SSL, SSL_R_EXTENSION_NOT_RECEIVED); |
9d75dce3 TS |
7108 | return 0; |
7109 | default: | |
7110 | case SSL_PHA_EXT_SENT: | |
6849b73c | 7111 | ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR); |
9d75dce3 TS |
7112 | return 0; |
7113 | case SSL_PHA_EXT_RECEIVED: | |
7114 | break; | |
7115 | case SSL_PHA_REQUEST_PENDING: | |
6849b73c | 7116 | ERR_raise(ERR_LIB_SSL, SSL_R_REQUEST_PENDING); |
9d75dce3 TS |
7117 | return 0; |
7118 | case SSL_PHA_REQUESTED: | |
6849b73c | 7119 | ERR_raise(ERR_LIB_SSL, SSL_R_REQUEST_SENT); |
9d75dce3 TS |
7120 | return 0; |
7121 | } | |
7122 | ||
38b051a1 | 7123 | sc->post_handshake_auth = SSL_PHA_REQUEST_PENDING; |
9d75dce3 TS |
7124 | |
7125 | /* checks verify_mode and algorithm_auth */ | |
38b051a1 TM |
7126 | if (!send_certificate_request(sc)) { |
7127 | sc->post_handshake_auth = SSL_PHA_EXT_RECEIVED; /* restore on error */ | |
6849b73c | 7128 | ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_CONFIG); |
9d75dce3 TS |
7129 | return 0; |
7130 | } | |
7131 | ||
38b051a1 | 7132 | ossl_statem_set_in_init(sc, 1); |
9d75dce3 TS |
7133 | return 1; |
7134 | } | |
df0fed9a TS |
7135 | |
7136 | int SSL_CTX_set_session_ticket_cb(SSL_CTX *ctx, | |
7137 | SSL_CTX_generate_session_ticket_fn gen_cb, | |
7138 | SSL_CTX_decrypt_session_ticket_fn dec_cb, | |
7139 | void *arg) | |
7140 | { | |
7141 | ctx->generate_ticket_cb = gen_cb; | |
7142 | ctx->decrypt_ticket_cb = dec_cb; | |
7143 | ctx->ticket_cb_data = arg; | |
7144 | return 1; | |
7145 | } | |
c9598459 MC |
7146 | |
7147 | void SSL_CTX_set_allow_early_data_cb(SSL_CTX *ctx, | |
7148 | SSL_allow_early_data_cb_fn cb, | |
7149 | void *arg) | |
7150 | { | |
7151 | ctx->allow_early_data_cb = cb; | |
7152 | ctx->allow_early_data_cb_data = arg; | |
7153 | } | |
7154 | ||
7155 | void SSL_set_allow_early_data_cb(SSL *s, | |
7156 | SSL_allow_early_data_cb_fn cb, | |
7157 | void *arg) | |
7158 | { | |
9562842b | 7159 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
38b051a1 | 7160 | |
9562842b | 7161 | if (sc == NULL) |
38b051a1 TM |
7162 | return; |
7163 | ||
7164 | sc->allow_early_data_cb = cb; | |
7165 | sc->allow_early_data_cb_data = arg; | |
c9598459 | 7166 | } |
c8f6c28a | 7167 | |
b4250010 | 7168 | const EVP_CIPHER *ssl_evp_cipher_fetch(OSSL_LIB_CTX *libctx, |
c8f6c28a MC |
7169 | int nid, |
7170 | const char *properties) | |
7171 | { | |
301fcb28 | 7172 | const EVP_CIPHER *ciph; |
5fcb97c6 | 7173 | |
301fcb28 MC |
7174 | ciph = tls_get_cipher_from_engine(nid); |
7175 | if (ciph != NULL) | |
7176 | return ciph; | |
0618b62c | 7177 | |
c8f6c28a | 7178 | /* |
301fcb28 MC |
7179 | * If there is no engine cipher then we do an explicit fetch. This may fail |
7180 | * and that could be ok | |
c8f6c28a | 7181 | */ |
5fcb97c6 MC |
7182 | ERR_set_mark(); |
7183 | ciph = EVP_CIPHER_fetch(libctx, OBJ_nid2sn(nid), properties); | |
7184 | ERR_pop_to_mark(); | |
7185 | return ciph; | |
c8f6c28a MC |
7186 | } |
7187 | ||
7188 | ||
7189 | int ssl_evp_cipher_up_ref(const EVP_CIPHER *cipher) | |
7190 | { | |
7191 | /* Don't up-ref an implicit EVP_CIPHER */ | |
ed576acd | 7192 | if (EVP_CIPHER_get0_provider(cipher) == NULL) |
c8f6c28a MC |
7193 | return 1; |
7194 | ||
7195 | /* | |
7196 | * The cipher was explicitly fetched and therefore it is safe to cast | |
7197 | * away the const | |
7198 | */ | |
7199 | return EVP_CIPHER_up_ref((EVP_CIPHER *)cipher); | |
7200 | } | |
7201 | ||
7202 | void ssl_evp_cipher_free(const EVP_CIPHER *cipher) | |
7203 | { | |
7204 | if (cipher == NULL) | |
7205 | return; | |
7206 | ||
ed576acd | 7207 | if (EVP_CIPHER_get0_provider(cipher) != NULL) { |
c8f6c28a MC |
7208 | /* |
7209 | * The cipher was explicitly fetched and therefore it is safe to cast | |
7210 | * away the const | |
7211 | */ | |
7212 | EVP_CIPHER_free((EVP_CIPHER *)cipher); | |
7213 | } | |
7214 | } | |
7215 | ||
b4250010 | 7216 | const EVP_MD *ssl_evp_md_fetch(OSSL_LIB_CTX *libctx, |
c8f6c28a MC |
7217 | int nid, |
7218 | const char *properties) | |
7219 | { | |
301fcb28 | 7220 | const EVP_MD *md; |
5fcb97c6 | 7221 | |
301fcb28 MC |
7222 | md = tls_get_digest_from_engine(nid); |
7223 | if (md != NULL) | |
7224 | return md; | |
c8f6c28a MC |
7225 | |
7226 | /* Otherwise we do an explicit fetch */ | |
5fcb97c6 MC |
7227 | ERR_set_mark(); |
7228 | md = EVP_MD_fetch(libctx, OBJ_nid2sn(nid), properties); | |
7229 | ERR_pop_to_mark(); | |
7230 | return md; | |
c8f6c28a MC |
7231 | } |
7232 | ||
7233 | int ssl_evp_md_up_ref(const EVP_MD *md) | |
7234 | { | |
7235 | /* Don't up-ref an implicit EVP_MD */ | |
ed576acd | 7236 | if (EVP_MD_get0_provider(md) == NULL) |
c8f6c28a MC |
7237 | return 1; |
7238 | ||
7239 | /* | |
7240 | * The digest was explicitly fetched and therefore it is safe to cast | |
7241 | * away the const | |
7242 | */ | |
7243 | return EVP_MD_up_ref((EVP_MD *)md); | |
7244 | } | |
7245 | ||
7246 | void ssl_evp_md_free(const EVP_MD *md) | |
7247 | { | |
7248 | if (md == NULL) | |
7249 | return; | |
7250 | ||
ed576acd | 7251 | if (EVP_MD_get0_provider(md) != NULL) { |
c8f6c28a MC |
7252 | /* |
7253 | * The digest was explicitly fetched and therefore it is safe to cast | |
7254 | * away the const | |
7255 | */ | |
7256 | EVP_MD_free((EVP_MD *)md); | |
7257 | } | |
7258 | } | |
163f6dc1 MC |
7259 | |
7260 | int SSL_set0_tmp_dh_pkey(SSL *s, EVP_PKEY *dhpkey) | |
7261 | { | |
38b051a1 TM |
7262 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
7263 | ||
7264 | if (sc == NULL) | |
7265 | return 0; | |
7266 | ||
7267 | if (!ssl_security(sc, SSL_SECOP_TMP_DH, | |
ed576acd | 7268 | EVP_PKEY_get_security_bits(dhpkey), 0, dhpkey)) { |
276d6c68 | 7269 | ERR_raise(ERR_LIB_SSL, SSL_R_DH_KEY_TOO_SMALL); |
163f6dc1 MC |
7270 | return 0; |
7271 | } | |
38b051a1 TM |
7272 | EVP_PKEY_free(sc->cert->dh_tmp); |
7273 | sc->cert->dh_tmp = dhpkey; | |
163f6dc1 MC |
7274 | return 1; |
7275 | } | |
7276 | ||
7277 | int SSL_CTX_set0_tmp_dh_pkey(SSL_CTX *ctx, EVP_PKEY *dhpkey) | |
7278 | { | |
7279 | if (!ssl_ctx_security(ctx, SSL_SECOP_TMP_DH, | |
ed576acd | 7280 | EVP_PKEY_get_security_bits(dhpkey), 0, dhpkey)) { |
276d6c68 | 7281 | ERR_raise(ERR_LIB_SSL, SSL_R_DH_KEY_TOO_SMALL); |
163f6dc1 MC |
7282 | return 0; |
7283 | } | |
7284 | EVP_PKEY_free(ctx->cert->dh_tmp); | |
7285 | ctx->cert->dh_tmp = dhpkey; | |
7286 | return 1; | |
7287 | } | |
68801bcb | 7288 | |
03bacce8 | 7289 | /* QUIC-specific methods which are supported on QUIC connections only. */ |
6084e04b | 7290 | int SSL_handle_events(SSL *s) |
03bacce8 HL |
7291 | { |
7292 | SSL_CONNECTION *sc; | |
03bacce8 | 7293 | |
6d495cc4 HL |
7294 | #ifndef OPENSSL_NO_QUIC |
7295 | if (IS_QUIC(s)) | |
6084e04b | 7296 | return ossl_quic_handle_events(s); |
03bacce8 HL |
7297 | #endif |
7298 | ||
7299 | sc = SSL_CONNECTION_FROM_SSL_ONLY(s); | |
7300 | if (sc != NULL && SSL_CONNECTION_IS_DTLS(sc)) | |
fbe2573d HL |
7301 | /* |
7302 | * DTLSv1_handle_timeout returns 0 if the timer wasn't expired yet, | |
7303 | * which we consider a success case. Theoretically DTLSv1_handle_timeout | |
7304 | * can also return 0 if s is NULL or not a DTLS object, but we've | |
7305 | * already ruled out those possibilities above, so this is not possible | |
7306 | * here. Thus the only failure cases are where DTLSv1_handle_timeout | |
7307 | * returns -1. | |
7308 | */ | |
7309 | return DTLSv1_handle_timeout(s) >= 0; | |
03bacce8 | 7310 | |
fbe2573d | 7311 | return 1; |
03bacce8 HL |
7312 | } |
7313 | ||
7ea49713 | 7314 | int SSL_get_event_timeout(SSL *s, struct timeval *tv, int *is_infinite) |
03bacce8 HL |
7315 | { |
7316 | SSL_CONNECTION *sc; | |
03bacce8 | 7317 | |
6d495cc4 HL |
7318 | #ifndef OPENSSL_NO_QUIC |
7319 | if (IS_QUIC(s)) | |
7ea49713 | 7320 | return ossl_quic_get_event_timeout(s, tv, is_infinite); |
03bacce8 HL |
7321 | #endif |
7322 | ||
7323 | sc = SSL_CONNECTION_FROM_SSL_ONLY(s); | |
fbe2573d | 7324 | if (sc != NULL && SSL_CONNECTION_IS_DTLS(sc) |
7ea49713 HL |
7325 | && DTLSv1_get_timeout(s, tv)) { |
7326 | *is_infinite = 0; | |
03bacce8 | 7327 | return 1; |
7ea49713 | 7328 | } |
03bacce8 | 7329 | |
7ea49713 | 7330 | tv->tv_sec = 1000000; |
fbe2573d | 7331 | tv->tv_usec = 0; |
7ea49713 | 7332 | *is_infinite = 1; |
fbe2573d | 7333 | return 1; |
03bacce8 HL |
7334 | } |
7335 | ||
68801bcb HL |
7336 | int SSL_get_rpoll_descriptor(SSL *s, BIO_POLL_DESCRIPTOR *desc) |
7337 | { | |
f2624433 | 7338 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
68801bcb | 7339 | |
f2624433 HL |
7340 | #ifndef OPENSSL_NO_QUIC |
7341 | if (IS_QUIC(s)) | |
7342 | return ossl_quic_get_rpoll_descriptor(s, desc); | |
68801bcb | 7343 | #endif |
f2624433 HL |
7344 | |
7345 | if (sc == NULL || sc->rbio == NULL) | |
7346 | return 0; | |
7347 | ||
7348 | return BIO_get_rpoll_descriptor(sc->rbio, desc); | |
68801bcb HL |
7349 | } |
7350 | ||
7351 | int SSL_get_wpoll_descriptor(SSL *s, BIO_POLL_DESCRIPTOR *desc) | |
7352 | { | |
f2624433 | 7353 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
68801bcb | 7354 | |
f2624433 HL |
7355 | #ifndef OPENSSL_NO_QUIC |
7356 | if (IS_QUIC(s)) | |
7357 | return ossl_quic_get_wpoll_descriptor(s, desc); | |
03bacce8 | 7358 | #endif |
f2624433 HL |
7359 | |
7360 | if (sc == NULL || sc->wbio == NULL) | |
7361 | return 0; | |
7362 | ||
7363 | return BIO_get_wpoll_descriptor(sc->wbio, desc); | |
03bacce8 HL |
7364 | } |
7365 | ||
b639475a | 7366 | int SSL_net_read_desired(SSL *s) |
03bacce8 HL |
7367 | { |
7368 | #ifndef OPENSSL_NO_QUIC | |
6d495cc4 | 7369 | if (!IS_QUIC(s)) |
3432157b | 7370 | return SSL_want_read(s); |
03bacce8 | 7371 | |
6d495cc4 | 7372 | return ossl_quic_get_net_read_desired(s); |
03bacce8 | 7373 | #else |
3432157b | 7374 | return SSL_want_read(s); |
03bacce8 HL |
7375 | #endif |
7376 | } | |
7377 | ||
b639475a | 7378 | int SSL_net_write_desired(SSL *s) |
03bacce8 HL |
7379 | { |
7380 | #ifndef OPENSSL_NO_QUIC | |
6d495cc4 | 7381 | if (!IS_QUIC(s)) |
3432157b | 7382 | return SSL_want_write(s); |
03bacce8 | 7383 | |
6d495cc4 | 7384 | return ossl_quic_get_net_write_desired(s); |
03bacce8 | 7385 | #else |
3432157b | 7386 | return SSL_want_write(s); |
03bacce8 HL |
7387 | #endif |
7388 | } | |
7389 | ||
7390 | int SSL_set_blocking_mode(SSL *s, int blocking) | |
7391 | { | |
7392 | #ifndef OPENSSL_NO_QUIC | |
6d495cc4 | 7393 | if (!IS_QUIC(s)) |
03bacce8 HL |
7394 | return 0; |
7395 | ||
6d495cc4 | 7396 | return ossl_quic_conn_set_blocking_mode(s, blocking); |
03bacce8 HL |
7397 | #else |
7398 | return 0; | |
7399 | #endif | |
7400 | } | |
7401 | ||
7402 | int SSL_get_blocking_mode(SSL *s) | |
7403 | { | |
7404 | #ifndef OPENSSL_NO_QUIC | |
6d495cc4 | 7405 | if (!IS_QUIC(s)) |
03bacce8 HL |
7406 | return -1; |
7407 | ||
6d495cc4 | 7408 | return ossl_quic_conn_get_blocking_mode(s); |
03bacce8 HL |
7409 | #else |
7410 | return -1; | |
7411 | #endif | |
7412 | } | |
7413 | ||
ce7a9e23 | 7414 | int SSL_set1_initial_peer_addr(SSL *s, const BIO_ADDR *peer_addr) |
03bacce8 HL |
7415 | { |
7416 | #ifndef OPENSSL_NO_QUIC | |
6d495cc4 | 7417 | if (!IS_QUIC(s)) |
e8043229 | 7418 | return 0; |
03bacce8 | 7419 | |
6d495cc4 | 7420 | return ossl_quic_conn_set_initial_peer_addr(s, peer_addr); |
68801bcb | 7421 | #else |
e8043229 HL |
7422 | return 0; |
7423 | #endif | |
7424 | } | |
7425 | ||
7426 | int SSL_shutdown_ex(SSL *ssl, uint64_t flags, | |
7427 | const SSL_SHUTDOWN_EX_ARGS *args, | |
7428 | size_t args_len) | |
7429 | { | |
7430 | #ifndef OPENSSL_NO_QUIC | |
6d495cc4 | 7431 | if (!IS_QUIC(ssl)) |
e8043229 HL |
7432 | return SSL_shutdown(ssl); |
7433 | ||
6d495cc4 | 7434 | return ossl_quic_conn_shutdown(ssl, flags, args, args_len); |
e8043229 HL |
7435 | #else |
7436 | return SSL_shutdown(ssl); | |
68801bcb HL |
7437 | #endif |
7438 | } | |
a9979965 HL |
7439 | |
7440 | int SSL_stream_conclude(SSL *ssl, uint64_t flags) | |
7441 | { | |
7442 | #ifndef OPENSSL_NO_QUIC | |
6d495cc4 | 7443 | if (!IS_QUIC(ssl)) |
a9979965 HL |
7444 | return 0; |
7445 | ||
6d495cc4 | 7446 | return ossl_quic_conn_stream_conclude(ssl); |
a9979965 HL |
7447 | #else |
7448 | return 0; | |
7449 | #endif | |
7450 | } | |
3c95ef22 | 7451 | |
cb5c208b HL |
7452 | SSL *SSL_new_stream(SSL *s, uint64_t flags) |
7453 | { | |
7454 | #ifndef OPENSSL_NO_QUIC | |
7455 | if (!IS_QUIC(s)) | |
7456 | return NULL; | |
7457 | ||
7458 | return ossl_quic_conn_stream_new(s, flags); | |
7459 | #else | |
7460 | return NULL; | |
7461 | #endif | |
7462 | } | |
7463 | ||
020d0389 HL |
7464 | SSL *SSL_get0_connection(SSL *s) |
7465 | { | |
7466 | #ifndef OPENSSL_NO_QUIC | |
7467 | if (!IS_QUIC(s)) | |
7468 | return s; | |
7469 | ||
7470 | return ossl_quic_get0_connection(s); | |
7471 | #else | |
7472 | return s; | |
7473 | #endif | |
7474 | } | |
7475 | ||
e1dee2e3 HL |
7476 | int SSL_is_connection(SSL *s) |
7477 | { | |
7478 | return SSL_get0_connection(s) == s; | |
7479 | } | |
7480 | ||
1bca3f1b HL |
7481 | int SSL_get_stream_type(SSL *s) |
7482 | { | |
7483 | #ifndef OPENSSL_NO_QUIC | |
7484 | if (!IS_QUIC(s)) | |
7485 | return SSL_STREAM_TYPE_BIDI; | |
7486 | ||
7487 | return ossl_quic_get_stream_type(s); | |
7488 | #else | |
7489 | return SSL_STREAM_TYPE_BIDI; | |
7490 | #endif | |
7491 | } | |
7492 | ||
19cb0887 HL |
7493 | uint64_t SSL_get_stream_id(SSL *s) |
7494 | { | |
7495 | #ifndef OPENSSL_NO_QUIC | |
7496 | if (!IS_QUIC(s)) | |
7497 | return UINT64_MAX; | |
7498 | ||
7499 | return ossl_quic_get_stream_id(s); | |
7500 | #else | |
7501 | return UINT64_MAX; | |
7502 | #endif | |
7503 | } | |
7504 | ||
d2e9e12b HL |
7505 | int SSL_is_stream_local(SSL *s) |
7506 | { | |
7507 | #ifndef OPENSSL_NO_QUIC | |
7508 | if (!IS_QUIC(s)) | |
7509 | return -1; | |
7510 | ||
7511 | return ossl_quic_is_stream_local(s); | |
7512 | #else | |
7513 | return -1; | |
7514 | #endif | |
7515 | } | |
7516 | ||
8b7be3aa HL |
7517 | int SSL_set_default_stream_mode(SSL *s, uint32_t mode) |
7518 | { | |
7519 | #ifndef OPENSSL_NO_QUIC | |
7520 | if (!IS_QUIC(s)) | |
7521 | return 0; | |
7522 | ||
7523 | return ossl_quic_set_default_stream_mode(s, mode); | |
7524 | #else | |
7525 | return 0; | |
7526 | #endif | |
7527 | } | |
7528 | ||
83df44ae | 7529 | int SSL_set_incoming_stream_policy(SSL *s, int policy, uint64_t aec) |
8a90df34 HL |
7530 | { |
7531 | #ifndef OPENSSL_NO_QUIC | |
7532 | if (!IS_QUIC(s)) | |
7533 | return 0; | |
7534 | ||
83df44ae | 7535 | return ossl_quic_set_incoming_stream_policy(s, policy, aec); |
8a90df34 HL |
7536 | #else |
7537 | return 0; | |
7538 | #endif | |
7539 | } | |
7540 | ||
cb68ce9f HL |
7541 | SSL *SSL_accept_stream(SSL *s, uint64_t flags) |
7542 | { | |
7543 | #ifndef OPENSSL_NO_QUIC | |
7544 | if (!IS_QUIC(s)) | |
7545 | return NULL; | |
7546 | ||
7547 | return ossl_quic_accept_stream(s, flags); | |
7548 | #else | |
7549 | return NULL; | |
7550 | #endif | |
7551 | } | |
7552 | ||
7553 | size_t SSL_get_accept_stream_queue_len(SSL *s) | |
7554 | { | |
7555 | #ifndef OPENSSL_NO_QUIC | |
7556 | if (!IS_QUIC(s)) | |
7557 | return 0; | |
7558 | ||
7559 | return ossl_quic_get_accept_stream_queue_len(s); | |
7560 | #else | |
7561 | return 0; | |
7562 | #endif | |
7563 | } | |
7564 | ||
c3a04ea2 HL |
7565 | int SSL_stream_reset(SSL *s, |
7566 | const SSL_STREAM_RESET_ARGS *args, | |
7567 | size_t args_len) | |
7568 | { | |
7569 | #ifndef OPENSSL_NO_QUIC | |
7570 | if (!IS_QUIC(s)) | |
7571 | return 0; | |
7572 | ||
7573 | return ossl_quic_stream_reset(s, args, args_len); | |
7574 | #else | |
7575 | return 0; | |
7576 | #endif | |
7577 | } | |
7578 | ||
7579 | int SSL_get_stream_read_state(SSL *s) | |
7580 | { | |
7581 | #ifndef OPENSSL_NO_QUIC | |
7582 | if (!IS_QUIC(s)) | |
7583 | return SSL_STREAM_STATE_NONE; | |
7584 | ||
7585 | return ossl_quic_get_stream_read_state(s); | |
7586 | #else | |
7587 | return SSL_STREAM_STATE_NONE; | |
7588 | #endif | |
7589 | } | |
7590 | ||
7591 | int SSL_get_stream_write_state(SSL *s) | |
7592 | { | |
7593 | #ifndef OPENSSL_NO_QUIC | |
7594 | if (!IS_QUIC(s)) | |
7595 | return SSL_STREAM_STATE_NONE; | |
7596 | ||
7597 | return ossl_quic_get_stream_write_state(s); | |
7598 | #else | |
7599 | return SSL_STREAM_STATE_NONE; | |
7600 | #endif | |
7601 | } | |
7602 | ||
7603 | int SSL_get_stream_read_error_code(SSL *s, uint64_t *app_error_code) | |
7604 | { | |
7605 | #ifndef OPENSSL_NO_QUIC | |
7606 | if (!IS_QUIC(s)) | |
7607 | return -1; | |
7608 | ||
7609 | return ossl_quic_get_stream_read_error_code(s, app_error_code); | |
7610 | #else | |
7611 | return -1; | |
7612 | #endif | |
7613 | } | |
7614 | ||
7615 | int SSL_get_stream_write_error_code(SSL *s, uint64_t *app_error_code) | |
7616 | { | |
7617 | #ifndef OPENSSL_NO_QUIC | |
7618 | if (!IS_QUIC(s)) | |
7619 | return -1; | |
7620 | ||
7621 | return ossl_quic_get_stream_write_error_code(s, app_error_code); | |
7622 | #else | |
7623 | return -1; | |
7624 | #endif | |
7625 | } | |
7626 | ||
7627 | int SSL_get_conn_close_info(SSL *s, SSL_CONN_CLOSE_INFO *info, | |
7628 | size_t info_len) | |
7629 | { | |
7630 | #ifndef OPENSSL_NO_QUIC | |
7631 | if (!IS_QUIC(s)) | |
7632 | return -1; | |
7633 | ||
7634 | return ossl_quic_get_conn_close_info(s, info, info_len); | |
7635 | #else | |
7636 | return -1; | |
7637 | #endif | |
7638 | } | |
7639 | ||
e203d1b5 HL |
7640 | int SSL_get_value_uint(SSL *s, uint32_t class_, uint32_t id, |
7641 | uint64_t *value) | |
7642 | { | |
e203d1b5 HL |
7643 | #ifndef OPENSSL_NO_QUIC |
7644 | if (IS_QUIC(s)) | |
7645 | return ossl_quic_get_value_uint(s, class_, id, value); | |
7646 | #endif | |
7647 | ||
7648 | ERR_raise(ERR_LIB_SSL, SSL_R_UNSUPPORTED_PROTOCOL); | |
7649 | return 0; | |
7650 | } | |
7651 | ||
7652 | int SSL_set_value_uint(SSL *s, uint32_t class_, uint32_t id, | |
7653 | uint64_t value) | |
7654 | { | |
7655 | #ifndef OPENSSL_NO_QUIC | |
7656 | if (IS_QUIC(s)) | |
7657 | return ossl_quic_set_value_uint(s, class_, id, value); | |
7658 | #endif | |
7659 | ||
7660 | ERR_raise(ERR_LIB_SSL, SSL_R_UNSUPPORTED_PROTOCOL); | |
7661 | return 0; | |
7662 | } | |
7663 | ||
3c95ef22 TS |
7664 | int SSL_add_expected_rpk(SSL *s, EVP_PKEY *rpk) |
7665 | { | |
7666 | unsigned char *data = NULL; | |
7667 | SSL_DANE *dane = SSL_get0_dane(s); | |
7668 | int ret; | |
7669 | ||
7670 | if (dane == NULL || dane->dctx == NULL) | |
7671 | return 0; | |
7672 | if ((ret = i2d_PUBKEY(rpk, &data)) <= 0) | |
7673 | return 0; | |
7674 | ||
7675 | ret = SSL_dane_tlsa_add(s, DANETLS_USAGE_DANE_EE, | |
7676 | DANETLS_SELECTOR_SPKI, | |
7677 | DANETLS_MATCHING_FULL, | |
7678 | data, (size_t)ret) > 0; | |
7679 | OPENSSL_free(data); | |
7680 | return ret; | |
7681 | } | |
7682 | ||
7683 | EVP_PKEY *SSL_get0_peer_rpk(const SSL *s) | |
7684 | { | |
7685 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
7686 | ||
7687 | if (sc == NULL || sc->session == NULL) | |
7688 | return NULL; | |
7689 | return sc->session->peer_rpk; | |
7690 | } | |
7691 | ||
7692 | int SSL_get_negotiated_client_cert_type(const SSL *s) | |
7693 | { | |
7694 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
7695 | ||
7696 | if (sc == NULL) | |
7697 | return 0; | |
7698 | ||
7699 | return sc->ext.client_cert_type; | |
7700 | } | |
7701 | ||
7702 | int SSL_get_negotiated_server_cert_type(const SSL *s) | |
7703 | { | |
7704 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
7705 | ||
7706 | if (sc == NULL) | |
7707 | return 0; | |
7708 | ||
7709 | return sc->ext.server_cert_type; | |
7710 | } | |
7711 | ||
7712 | static int validate_cert_type(const unsigned char *val, size_t len) | |
7713 | { | |
7714 | size_t i; | |
7715 | int saw_rpk = 0; | |
7716 | int saw_x509 = 0; | |
7717 | ||
7718 | if (val == NULL && len == 0) | |
7719 | return 1; | |
7720 | ||
7721 | if (val == NULL || len == 0) | |
7722 | return 0; | |
7723 | ||
7724 | for (i = 0; i < len; i++) { | |
7725 | switch (val[i]) { | |
7726 | case TLSEXT_cert_type_rpk: | |
7727 | if (saw_rpk) | |
7728 | return 0; | |
7729 | saw_rpk = 1; | |
7730 | break; | |
7731 | case TLSEXT_cert_type_x509: | |
7732 | if (saw_x509) | |
7733 | return 0; | |
7734 | saw_x509 = 1; | |
7735 | break; | |
7736 | case TLSEXT_cert_type_pgp: | |
7737 | case TLSEXT_cert_type_1609dot2: | |
7738 | default: | |
7739 | return 0; | |
7740 | } | |
7741 | } | |
7742 | return 1; | |
7743 | } | |
7744 | ||
7745 | static int set_cert_type(unsigned char **cert_type, | |
7746 | size_t *cert_type_len, | |
7747 | const unsigned char *val, | |
7748 | size_t len) | |
7749 | { | |
7750 | unsigned char *tmp = NULL; | |
7751 | ||
7752 | if (!validate_cert_type(val, len)) | |
7753 | return 0; | |
7754 | ||
7755 | if (val != NULL && (tmp = OPENSSL_memdup(val, len)) == NULL) | |
7756 | return 0; | |
7757 | ||
7758 | OPENSSL_free(*cert_type); | |
7759 | *cert_type = tmp; | |
7760 | *cert_type_len = len; | |
7761 | return 1; | |
7762 | } | |
7763 | ||
7764 | int SSL_set1_client_cert_type(SSL *s, const unsigned char *val, size_t len) | |
7765 | { | |
7766 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
7767 | ||
7768 | return set_cert_type(&sc->client_cert_type, &sc->client_cert_type_len, | |
7769 | val, len); | |
7770 | } | |
7771 | ||
7772 | int SSL_set1_server_cert_type(SSL *s, const unsigned char *val, size_t len) | |
7773 | { | |
7774 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
7775 | ||
7776 | return set_cert_type(&sc->server_cert_type, &sc->server_cert_type_len, | |
7777 | val, len); | |
7778 | } | |
7779 | ||
7780 | int SSL_CTX_set1_client_cert_type(SSL_CTX *ctx, const unsigned char *val, size_t len) | |
7781 | { | |
7782 | return set_cert_type(&ctx->client_cert_type, &ctx->client_cert_type_len, | |
7783 | val, len); | |
7784 | } | |
7785 | ||
7786 | int SSL_CTX_set1_server_cert_type(SSL_CTX *ctx, const unsigned char *val, size_t len) | |
7787 | { | |
7788 | return set_cert_type(&ctx->server_cert_type, &ctx->server_cert_type_len, | |
7789 | val, len); | |
7790 | } | |
7791 | ||
7792 | int SSL_get0_client_cert_type(const SSL *s, unsigned char **t, size_t *len) | |
7793 | { | |
7794 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); | |
7795 | ||
7796 | if (t == NULL || len == NULL) | |
7797 | return 0; | |
7798 | ||
7799 | *t = sc->client_cert_type; | |
7800 | *len = sc->client_cert_type_len; | |
7801 | return 1; | |
7802 | } | |
7803 | ||
7804 | int SSL_get0_server_cert_type(const SSL *s, unsigned char **t, size_t *len) | |
7805 | { | |
7806 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); | |
7807 | ||
7808 | if (t == NULL || len == NULL) | |
7809 | return 0; | |
7810 | ||
7811 | *t = sc->server_cert_type; | |
7812 | *len = sc->server_cert_type_len; | |
7813 | return 1; | |
7814 | } | |
7815 | ||
7816 | int SSL_CTX_get0_client_cert_type(const SSL_CTX *ctx, unsigned char **t, size_t *len) | |
7817 | { | |
7818 | if (t == NULL || len == NULL) | |
7819 | return 0; | |
7820 | ||
7821 | *t = ctx->client_cert_type; | |
7822 | *len = ctx->client_cert_type_len; | |
7823 | return 1; | |
7824 | } | |
7825 | ||
7826 | int SSL_CTX_get0_server_cert_type(const SSL_CTX *ctx, unsigned char **t, size_t *len) | |
7827 | { | |
7828 | if (t == NULL || len == NULL) | |
7829 | return 0; | |
7830 | ||
7831 | *t = ctx->server_cert_type; | |
7832 | *len = ctx->server_cert_type_len; | |
7833 | return 1; | |
7834 | } |