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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 | ||
0f113f3e | 65 | 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 VD |
329 | dlen != (size_t)(p - data)) { |
330 | tlsa_free(t); | |
6849b73c | 331 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_BAD_CERTIFICATE); |
919ba009 VD |
332 | return 0; |
333 | } | |
334 | if (X509_get0_pubkey(cert) == NULL) { | |
335 | tlsa_free(t); | |
6849b73c | 336 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_BAD_CERTIFICATE); |
919ba009 VD |
337 | return 0; |
338 | } | |
339 | ||
340 | if ((DANETLS_USAGE_BIT(usage) & DANETLS_TA_MASK) == 0) { | |
341 | X509_free(cert); | |
342 | break; | |
343 | } | |
344 | ||
345 | /* | |
346 | * For usage DANE-TA(2), we support authentication via "2 0 0" TLSA | |
347 | * records that contain full certificates of trust-anchors that are | |
348 | * not present in the wire chain. For usage PKIX-TA(0), we augment | |
349 | * the chain with untrusted Full(0) certificates from DNS, in case | |
350 | * they are missing from the chain. | |
351 | */ | |
352 | if ((dane->certs == NULL && | |
353 | (dane->certs = sk_X509_new_null()) == NULL) || | |
354 | !sk_X509_push(dane->certs, cert)) { | |
e077455e | 355 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
919ba009 VD |
356 | X509_free(cert); |
357 | tlsa_free(t); | |
358 | return -1; | |
359 | } | |
360 | break; | |
361 | ||
362 | case DANETLS_SELECTOR_SPKI: | |
348240c6 | 363 | if (!d2i_PUBKEY(&pkey, &p, ilen) || p < data || |
919ba009 VD |
364 | dlen != (size_t)(p - data)) { |
365 | tlsa_free(t); | |
6849b73c | 366 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_BAD_PUBLIC_KEY); |
919ba009 VD |
367 | return 0; |
368 | } | |
369 | ||
370 | /* | |
371 | * For usage DANE-TA(2), we support authentication via "2 1 0" TLSA | |
372 | * records that contain full bare keys of trust-anchors that are | |
373 | * not present in the wire chain. | |
374 | */ | |
375 | if (usage == DANETLS_USAGE_DANE_TA) | |
376 | t->spki = pkey; | |
377 | else | |
378 | EVP_PKEY_free(pkey); | |
379 | break; | |
380 | } | |
381 | } | |
382 | ||
383 | /*- | |
384 | * Find the right insertion point for the new record. | |
385 | * | |
386 | * See crypto/x509/x509_vfy.c. We sort DANE-EE(3) records first, so that | |
387 | * they can be processed first, as they require no chain building, and no | |
388 | * expiration or hostname checks. Because DANE-EE(3) is numerically | |
389 | * largest, this is accomplished via descending sort by "usage". | |
390 | * | |
391 | * We also sort in descending order by matching ordinal to simplify | |
392 | * the implementation of digest agility in the verification code. | |
393 | * | |
394 | * The choice of order for the selector is not significant, so we | |
395 | * use the same descending order for consistency. | |
396 | */ | |
9f6b22b8 VD |
397 | num = sk_danetls_record_num(dane->trecs); |
398 | for (i = 0; i < num; ++i) { | |
919ba009 | 399 | danetls_record *rec = sk_danetls_record_value(dane->trecs, i); |
9f6b22b8 | 400 | |
919ba009 VD |
401 | if (rec->usage > usage) |
402 | continue; | |
403 | if (rec->usage < usage) | |
404 | break; | |
405 | if (rec->selector > selector) | |
406 | continue; | |
407 | if (rec->selector < selector) | |
408 | break; | |
409 | if (dane->dctx->mdord[rec->mtype] > dane->dctx->mdord[mtype]) | |
410 | continue; | |
411 | break; | |
412 | } | |
413 | ||
414 | if (!sk_danetls_record_insert(dane->trecs, t, i)) { | |
415 | tlsa_free(t); | |
e077455e | 416 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
919ba009 VD |
417 | return -1; |
418 | } | |
419 | dane->umask |= DANETLS_USAGE_BIT(usage); | |
420 | ||
421 | return 1; | |
422 | } | |
423 | ||
c8feba72 BK |
424 | /* |
425 | * Return 0 if there is only one version configured and it was disabled | |
426 | * at configure time. Return 1 otherwise. | |
427 | */ | |
d6e7ebba | 428 | static int ssl_check_allowed_versions(int min_version, int max_version) |
c8feba72 BK |
429 | { |
430 | int minisdtls = 0, maxisdtls = 0; | |
431 | ||
432 | /* Figure out if we're doing DTLS versions or TLS versions */ | |
433 | if (min_version == DTLS1_BAD_VER | |
434 | || min_version >> 8 == DTLS1_VERSION_MAJOR) | |
435 | minisdtls = 1; | |
436 | if (max_version == DTLS1_BAD_VER | |
437 | || max_version >> 8 == DTLS1_VERSION_MAJOR) | |
438 | maxisdtls = 1; | |
439 | /* A wildcard version of 0 could be DTLS or TLS. */ | |
440 | if ((minisdtls && !maxisdtls && max_version != 0) | |
441 | || (maxisdtls && !minisdtls && min_version != 0)) { | |
442 | /* Mixing DTLS and TLS versions will lead to sadness; deny it. */ | |
443 | return 0; | |
444 | } | |
445 | ||
446 | if (minisdtls || maxisdtls) { | |
447 | /* Do DTLS version checks. */ | |
448 | if (min_version == 0) | |
449 | /* Ignore DTLS1_BAD_VER */ | |
450 | min_version = DTLS1_VERSION; | |
451 | if (max_version == 0) | |
452 | max_version = DTLS1_2_VERSION; | |
453 | #ifdef OPENSSL_NO_DTLS1_2 | |
454 | if (max_version == DTLS1_2_VERSION) | |
455 | max_version = DTLS1_VERSION; | |
456 | #endif | |
457 | #ifdef OPENSSL_NO_DTLS1 | |
458 | if (min_version == DTLS1_VERSION) | |
459 | min_version = DTLS1_2_VERSION; | |
460 | #endif | |
79b4444d DMSP |
461 | /* Done massaging versions; do the check. */ |
462 | if (0 | |
c8feba72 BK |
463 | #ifdef OPENSSL_NO_DTLS1 |
464 | || (DTLS_VERSION_GE(min_version, DTLS1_VERSION) | |
465 | && DTLS_VERSION_GE(DTLS1_VERSION, max_version)) | |
466 | #endif | |
467 | #ifdef OPENSSL_NO_DTLS1_2 | |
468 | || (DTLS_VERSION_GE(min_version, DTLS1_2_VERSION) | |
469 | && DTLS_VERSION_GE(DTLS1_2_VERSION, max_version)) | |
470 | #endif | |
471 | ) | |
472 | return 0; | |
473 | } else { | |
474 | /* Regular TLS version checks. */ | |
79b4444d | 475 | if (min_version == 0) |
d6e7ebba | 476 | min_version = SSL3_VERSION; |
79b4444d DMSP |
477 | if (max_version == 0) |
478 | max_version = TLS1_3_VERSION; | |
c8feba72 | 479 | #ifdef OPENSSL_NO_TLS1_3 |
79b4444d DMSP |
480 | if (max_version == TLS1_3_VERSION) |
481 | max_version = TLS1_2_VERSION; | |
c8feba72 BK |
482 | #endif |
483 | #ifdef OPENSSL_NO_TLS1_2 | |
79b4444d DMSP |
484 | if (max_version == TLS1_2_VERSION) |
485 | max_version = TLS1_1_VERSION; | |
c8feba72 BK |
486 | #endif |
487 | #ifdef OPENSSL_NO_TLS1_1 | |
79b4444d DMSP |
488 | if (max_version == TLS1_1_VERSION) |
489 | max_version = TLS1_VERSION; | |
c8feba72 BK |
490 | #endif |
491 | #ifdef OPENSSL_NO_TLS1 | |
79b4444d DMSP |
492 | if (max_version == TLS1_VERSION) |
493 | max_version = SSL3_VERSION; | |
c8feba72 BK |
494 | #endif |
495 | #ifdef OPENSSL_NO_SSL3 | |
79b4444d DMSP |
496 | if (min_version == SSL3_VERSION) |
497 | min_version = TLS1_VERSION; | |
c8feba72 BK |
498 | #endif |
499 | #ifdef OPENSSL_NO_TLS1 | |
79b4444d DMSP |
500 | if (min_version == TLS1_VERSION) |
501 | min_version = TLS1_1_VERSION; | |
c8feba72 BK |
502 | #endif |
503 | #ifdef OPENSSL_NO_TLS1_1 | |
79b4444d DMSP |
504 | if (min_version == TLS1_1_VERSION) |
505 | min_version = TLS1_2_VERSION; | |
c8feba72 BK |
506 | #endif |
507 | #ifdef OPENSSL_NO_TLS1_2 | |
79b4444d DMSP |
508 | if (min_version == TLS1_2_VERSION) |
509 | min_version = TLS1_3_VERSION; | |
c8feba72 | 510 | #endif |
79b4444d DMSP |
511 | /* Done massaging versions; do the check. */ |
512 | if (0 | |
c8feba72 BK |
513 | #ifdef OPENSSL_NO_SSL3 |
514 | || (min_version <= SSL3_VERSION && SSL3_VERSION <= max_version) | |
515 | #endif | |
516 | #ifdef OPENSSL_NO_TLS1 | |
517 | || (min_version <= TLS1_VERSION && TLS1_VERSION <= max_version) | |
518 | #endif | |
519 | #ifdef OPENSSL_NO_TLS1_1 | |
520 | || (min_version <= TLS1_1_VERSION && TLS1_1_VERSION <= max_version) | |
521 | #endif | |
522 | #ifdef OPENSSL_NO_TLS1_2 | |
523 | || (min_version <= TLS1_2_VERSION && TLS1_2_VERSION <= max_version) | |
524 | #endif | |
525 | #ifdef OPENSSL_NO_TLS1_3 | |
526 | || (min_version <= TLS1_3_VERSION && TLS1_3_VERSION <= max_version) | |
527 | #endif | |
528 | ) | |
529 | return 0; | |
530 | } | |
531 | return 1; | |
532 | } | |
533 | ||
08073700 RB |
534 | #if defined(__TANDEM) && defined(OPENSSL_VPROC) |
535 | /* | |
536 | * Define a VPROC function for HP NonStop build ssl library. | |
537 | * This is used by platform version identification tools. | |
538 | * Do not inline this procedure or make it static. | |
539 | */ | |
540 | # define OPENSSL_VPROC_STRING_(x) x##_SSL | |
541 | # define OPENSSL_VPROC_STRING(x) OPENSSL_VPROC_STRING_(x) | |
542 | # define OPENSSL_VPROC_FUNC OPENSSL_VPROC_STRING(OPENSSL_VPROC) | |
543 | void OPENSSL_VPROC_FUNC(void) {} | |
544 | #endif | |
545 | ||
6d814fd6 | 546 | static int clear_record_layer(SSL_CONNECTION *s) |
d31fb0b5 | 547 | { |
6d814fd6 MC |
548 | int ret; |
549 | ||
550 | /* We try and reset both record layers even if one fails */ | |
551 | ||
552 | ret = ssl_set_new_record_layer(s, | |
553 | SSL_CONNECTION_IS_DTLS(s) ? DTLS_ANY_VERSION | |
554 | : TLS_ANY_VERSION, | |
555 | OSSL_RECORD_DIRECTION_READ, | |
3f9175c7 | 556 | OSSL_RECORD_PROTECTION_LEVEL_NONE, NULL, 0, |
6d814fd6 | 557 | NULL, 0, NULL, 0, NULL, 0, NULL, 0, |
3f9175c7 | 558 | NID_undef, NULL, NULL, NULL); |
6d814fd6 MC |
559 | |
560 | ret &= ssl_set_new_record_layer(s, | |
561 | SSL_CONNECTION_IS_DTLS(s) ? DTLS_ANY_VERSION | |
562 | : TLS_ANY_VERSION, | |
563 | OSSL_RECORD_DIRECTION_WRITE, | |
3f9175c7 | 564 | OSSL_RECORD_PROTECTION_LEVEL_NONE, NULL, 0, |
6d814fd6 | 565 | NULL, 0, NULL, 0, NULL, 0, NULL, 0, |
3f9175c7 MC |
566 | NID_undef, NULL, NULL, NULL); |
567 | ||
6d814fd6 MC |
568 | /* SSLfatal already called in the event of failure */ |
569 | return ret; | |
d31fb0b5 RS |
570 | } |
571 | ||
4f43d0e7 | 572 | int SSL_clear(SSL *s) |
0f113f3e | 573 | { |
0f113f3e | 574 | if (s->method == NULL) { |
6849b73c | 575 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_METHOD_SPECIFIED); |
a89325e4 | 576 | return 0; |
0f113f3e | 577 | } |
d02b48c6 | 578 | |
38b051a1 TM |
579 | return s->method->ssl_reset(s); |
580 | } | |
581 | ||
582 | int ossl_ssl_connection_reset(SSL *s) | |
583 | { | |
584 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
585 | ||
586 | if (sc == NULL) | |
587 | return 0; | |
588 | ||
589 | if (ssl_clear_bad_session(sc)) { | |
590 | SSL_SESSION_free(sc->session); | |
591 | sc->session = NULL; | |
0f113f3e | 592 | } |
38b051a1 TM |
593 | SSL_SESSION_free(sc->psksession); |
594 | sc->psksession = NULL; | |
595 | OPENSSL_free(sc->psksession_id); | |
596 | sc->psksession_id = NULL; | |
597 | sc->psksession_id_len = 0; | |
598 | sc->hello_retry_request = 0; | |
599 | sc->sent_tickets = 0; | |
d62bfb39 | 600 | |
38b051a1 TM |
601 | sc->error = 0; |
602 | sc->hit = 0; | |
603 | sc->shutdown = 0; | |
d02b48c6 | 604 | |
38b051a1 | 605 | if (sc->renegotiate) { |
6849b73c | 606 | ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR); |
0f113f3e MC |
607 | return 0; |
608 | } | |
d02b48c6 | 609 | |
38b051a1 | 610 | ossl_statem_clear(sc); |
413c4f45 | 611 | |
38b051a1 TM |
612 | /* TODO(QUIC): Version handling not yet clear */ |
613 | sc->version = s->method->version; | |
614 | sc->client_version = sc->version; | |
615 | sc->rwstate = SSL_NOTHING; | |
d02b48c6 | 616 | |
38b051a1 TM |
617 | BUF_MEM_free(sc->init_buf); |
618 | sc->init_buf = NULL; | |
38b051a1 | 619 | sc->first_packet = 0; |
d02b48c6 | 620 | |
38b051a1 | 621 | sc->key_update = SSL_KEY_UPDATE_NONE; |
b67cb09f TS |
622 | memset(sc->ext.compress_certificate_from_peer, 0, |
623 | sizeof(sc->ext.compress_certificate_from_peer)); | |
624 | sc->ext.compress_certificate_sent = 0; | |
44c04a2e | 625 | |
38b051a1 TM |
626 | EVP_MD_CTX_free(sc->pha_dgst); |
627 | sc->pha_dgst = NULL; | |
88834998 | 628 | |
919ba009 | 629 | /* Reset DANE verification result state */ |
38b051a1 TM |
630 | sc->dane.mdpth = -1; |
631 | sc->dane.pdpth = -1; | |
632 | X509_free(sc->dane.mcert); | |
633 | sc->dane.mcert = NULL; | |
634 | sc->dane.mtlsa = NULL; | |
919ba009 VD |
635 | |
636 | /* Clear the verification result peername */ | |
38b051a1 | 637 | X509_VERIFY_PARAM_move_peername(sc->param, NULL); |
919ba009 | 638 | |
29948ac8 | 639 | /* Clear any shared connection state */ |
38b051a1 TM |
640 | OPENSSL_free(sc->shared_sigalgs); |
641 | sc->shared_sigalgs = NULL; | |
642 | sc->shared_sigalgslen = 0; | |
29948ac8 | 643 | |
0f113f3e MC |
644 | /* |
645 | * Check to see if we were changed into a different method, if so, revert | |
24252537 | 646 | * back. |
0f113f3e | 647 | */ |
a7f41885 | 648 | if (s->method != s->defltmeth) { |
38b051a1 | 649 | s->method->ssl_deinit(s); |
a7f41885 | 650 | s->method = s->defltmeth; |
38b051a1 | 651 | if (!s->method->ssl_init(s)) |
a89325e4 | 652 | return 0; |
b77f3ed1 MC |
653 | } else { |
654 | if (!s->method->ssl_clear(s)) | |
655 | return 0; | |
656 | } | |
33d23b87 | 657 | |
38b051a1 | 658 | RECORD_LAYER_clear(&sc->rlayer); |
cffafb5f MC |
659 | BIO_free(sc->rlayer.rrlnext); |
660 | sc->rlayer.rrlnext = NULL; | |
33d23b87 | 661 | |
6d814fd6 | 662 | if (!clear_record_layer(sc)) |
2b71b042 | 663 | return 0; |
aedbb71b | 664 | |
a89325e4 | 665 | return 1; |
0f113f3e | 666 | } |
d02b48c6 | 667 | |
dd0164e7 | 668 | #ifndef OPENSSL_NO_DEPRECATED_3_0 |
4f43d0e7 | 669 | /** Used to change an SSL_CTXs default SSL method type */ |
0f113f3e MC |
670 | int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth) |
671 | { | |
672 | STACK_OF(SSL_CIPHER) *sk; | |
673 | ||
3ea30e76 HL |
674 | if (IS_QUIC_CTX(ctx)) { |
675 | ERR_raise(ERR_LIB_SSL, SSL_R_WRONG_SSL_VERSION); | |
676 | return 0; | |
677 | } | |
678 | ||
0f113f3e MC |
679 | ctx->method = meth; |
680 | ||
5d120511 | 681 | if (!SSL_CTX_set_ciphersuites(ctx, OSSL_default_ciphersuites())) { |
6849b73c | 682 | ERR_raise(ERR_LIB_SSL, SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS); |
2340ed27 BK |
683 | return 0; |
684 | } | |
a68eee67 | 685 | sk = ssl_create_cipher_list(ctx, |
f865b081 MC |
686 | ctx->tls13_ciphersuites, |
687 | &(ctx->cipher_list), | |
0f113f3e | 688 | &(ctx->cipher_list_by_id), |
5d120511 | 689 | OSSL_default_cipher_list(), ctx->cert); |
0f113f3e | 690 | if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0)) { |
6849b73c | 691 | ERR_raise(ERR_LIB_SSL, SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS); |
26a7d938 | 692 | return 0; |
0f113f3e | 693 | } |
208fb891 | 694 | return 1; |
0f113f3e | 695 | } |
dd0164e7 | 696 | #endif |
d02b48c6 | 697 | |
4f43d0e7 | 698 | SSL *SSL_new(SSL_CTX *ctx) |
0f113f3e | 699 | { |
0f113f3e | 700 | if (ctx == NULL) { |
6849b73c | 701 | ERR_raise(ERR_LIB_SSL, SSL_R_NULL_SSL_CTX); |
26a7d938 | 702 | return NULL; |
0f113f3e MC |
703 | } |
704 | if (ctx->method == NULL) { | |
6849b73c | 705 | ERR_raise(ERR_LIB_SSL, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION); |
26a7d938 | 706 | return NULL; |
0f113f3e | 707 | } |
38b051a1 TM |
708 | return ctx->method->ssl_new(ctx); |
709 | } | |
710 | ||
a7f41885 | 711 | int ossl_ssl_init(SSL *ssl, SSL_CTX *ctx, const SSL_METHOD *method, int type) |
38b051a1 TM |
712 | { |
713 | ssl->type = type; | |
714 | ||
38b051a1 TM |
715 | ssl->lock = CRYPTO_THREAD_lock_new(); |
716 | if (ssl->lock == NULL) | |
717 | return 0; | |
718 | ||
43a07d6d P |
719 | if (!CRYPTO_NEW_REF(&ssl->references, 1)) { |
720 | CRYPTO_THREAD_lock_free(ssl->lock); | |
721 | return 0; | |
722 | } | |
723 | ||
c10ded8c TS |
724 | if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, ssl, &ssl->ex_data)) { |
725 | CRYPTO_THREAD_lock_free(ssl->lock); | |
43a07d6d | 726 | CRYPTO_FREE_REF(&ssl->references); |
c10ded8c TS |
727 | ssl->lock = NULL; |
728 | return 0; | |
729 | } | |
730 | ||
38b051a1 TM |
731 | SSL_CTX_up_ref(ctx); |
732 | ssl->ctx = ctx; | |
733 | ||
a7f41885 | 734 | ssl->defltmeth = ssl->method = method; |
38b051a1 | 735 | |
38b051a1 TM |
736 | return 1; |
737 | } | |
738 | ||
a7f41885 | 739 | SSL *ossl_ssl_connection_new_int(SSL_CTX *ctx, const SSL_METHOD *method) |
38b051a1 TM |
740 | { |
741 | SSL_CONNECTION *s; | |
742 | SSL *ssl; | |
0f113f3e | 743 | |
b51bce94 | 744 | s = OPENSSL_zalloc(sizeof(*s)); |
0f113f3e | 745 | if (s == NULL) |
38b051a1 | 746 | return NULL; |
0f113f3e | 747 | |
38b051a1 | 748 | ssl = &s->ssl; |
a7f41885 | 749 | if (!ossl_ssl_init(ssl, ctx, method, SSL_TYPE_SSL_CONNECTION)) { |
e6b10c34 BE |
750 | OPENSSL_free(s); |
751 | s = NULL; | |
c4a44e7b | 752 | ssl = NULL; |
e077455e | 753 | goto sslerr; |
e6b10c34 | 754 | } |
ae3947de | 755 | |
c036e210 | 756 | RECORD_LAYER_init(&s->rlayer, s); |
28d59af8 | 757 | |
0f113f3e | 758 | s->options = ctx->options; |
f0d9757c | 759 | |
5ae4ceb9 | 760 | s->dane.flags = ctx->dane.flags; |
4f373a97 TM |
761 | if (method->version == ctx->method->version) { |
762 | s->min_proto_version = ctx->min_proto_version; | |
763 | s->max_proto_version = ctx->max_proto_version; | |
764 | } | |
0eecf841 | 765 | |
0f113f3e MC |
766 | s->mode = ctx->mode; |
767 | s->max_cert_list = ctx->max_cert_list; | |
6e5550a1 HL |
768 | s->max_early_data = ctx->max_early_data; |
769 | s->recv_max_early_data = ctx->recv_max_early_data; | |
82a2beca | 770 | |
9d0a8bb7 | 771 | s->num_tickets = ctx->num_tickets; |
e97be718 | 772 | s->pha_enabled = ctx->pha_enabled; |
0f113f3e | 773 | |
f865b081 MC |
774 | /* Shallow copy of the ciphersuites stack */ |
775 | s->tls13_ciphersuites = sk_SSL_CIPHER_dup(ctx->tls13_ciphersuites); | |
776 | if (s->tls13_ciphersuites == NULL) | |
e077455e | 777 | goto cerr; |
f865b081 | 778 | |
2c382349 KR |
779 | /* |
780 | * Earlier library versions used to copy the pointer to the CERT, not | |
781 | * its contents; only when setting new parameters for the per-SSL | |
782 | * copy, ssl_cert_new would be called (and the direct reference to | |
783 | * the per-SSL_CTX settings would be lost, but those still were | |
784 | * indirectly accessed for various purposes, and for that reason they | |
785 | * used to be known as s->ctx->default_cert). Now we don't look at the | |
786 | * SSL_CTX's CERT after having duplicated it once. | |
787 | */ | |
788 | s->cert = ssl_cert_dup(ctx->cert); | |
789 | if (s->cert == NULL) | |
e077455e | 790 | goto sslerr; |
0f113f3e | 791 | |
52e1d7b1 | 792 | RECORD_LAYER_set_read_ahead(&s->rlayer, ctx->read_ahead); |
0f113f3e MC |
793 | s->msg_callback = ctx->msg_callback; |
794 | s->msg_callback_arg = ctx->msg_callback_arg; | |
795 | s->verify_mode = ctx->verify_mode; | |
796 | s->not_resumable_session_cb = ctx->not_resumable_session_cb; | |
d6e7ebba HL |
797 | s->rlayer.record_padding_cb = ctx->record_padding_cb; |
798 | s->rlayer.record_padding_arg = ctx->record_padding_arg; | |
799 | s->rlayer.block_padding = ctx->block_padding; | |
0f113f3e | 800 | s->sid_ctx_length = ctx->sid_ctx_length; |
cbe29648 | 801 | if (!ossl_assert(s->sid_ctx_length <= sizeof(s->sid_ctx))) |
380a522f | 802 | goto err; |
0f113f3e MC |
803 | memcpy(&s->sid_ctx, &ctx->sid_ctx, sizeof(s->sid_ctx)); |
804 | s->verify_callback = ctx->default_verify_callback; | |
805 | s->generate_session_id = ctx->generate_session_id; | |
806 | ||
807 | s->param = X509_VERIFY_PARAM_new(); | |
a71edf3b | 808 | if (s->param == NULL) |
e077455e | 809 | goto asn1err; |
0f113f3e | 810 | X509_VERIFY_PARAM_inherit(s->param, ctx->param); |
f66f0d3c | 811 | s->quiet_shutdown = IS_QUIC_CTX(ctx) ? 0 : ctx->quiet_shutdown; |
cf72c757 | 812 | |
82a2beca | 813 | if (!IS_QUIC_CTX(ctx)) |
d0638fd5 HL |
814 | s->ext.max_fragment_len_mode = ctx->ext.max_fragment_len_mode; |
815 | ||
0f113f3e | 816 | s->max_send_fragment = ctx->max_send_fragment; |
d102d9df MC |
817 | s->split_send_fragment = ctx->split_send_fragment; |
818 | s->max_pipelines = ctx->max_pipelines; | |
cffafb5f | 819 | s->rlayer.default_read_buf_len = ctx->default_read_buf_len; |
bf21446a | 820 | |
aff8c126 RS |
821 | s->ext.debug_cb = 0; |
822 | s->ext.debug_arg = NULL; | |
823 | s->ext.ticket_expected = 0; | |
824 | s->ext.status_type = ctx->ext.status_type; | |
825 | s->ext.status_expected = 0; | |
826 | s->ext.ocsp.ids = NULL; | |
827 | s->ext.ocsp.exts = NULL; | |
828 | s->ext.ocsp.resp = NULL; | |
829 | s->ext.ocsp.resp_len = 0; | |
16203f7b | 830 | SSL_CTX_up_ref(ctx); |
222da979 | 831 | s->session_ctx = ctx; |
aff8c126 RS |
832 | if (ctx->ext.ecpointformats) { |
833 | s->ext.ecpointformats = | |
834 | OPENSSL_memdup(ctx->ext.ecpointformats, | |
835 | ctx->ext.ecpointformats_len); | |
39a14059 MC |
836 | if (!s->ext.ecpointformats) { |
837 | s->ext.ecpointformats_len = 0; | |
0f113f3e | 838 | goto err; |
39a14059 | 839 | } |
aff8c126 RS |
840 | s->ext.ecpointformats_len = |
841 | ctx->ext.ecpointformats_len; | |
842 | } | |
843 | if (ctx->ext.supportedgroups) { | |
844 | s->ext.supportedgroups = | |
845 | OPENSSL_memdup(ctx->ext.supportedgroups, | |
9e84a42d | 846 | ctx->ext.supportedgroups_len |
b92d7b62 | 847 | * sizeof(*ctx->ext.supportedgroups)); |
39a14059 MC |
848 | if (!s->ext.supportedgroups) { |
849 | s->ext.supportedgroups_len = 0; | |
0f113f3e | 850 | goto err; |
39a14059 | 851 | } |
aff8c126 | 852 | s->ext.supportedgroups_len = ctx->ext.supportedgroups_len; |
0f113f3e | 853 | } |
dbc6268f | 854 | |
a230b26e | 855 | #ifndef OPENSSL_NO_NEXTPROTONEG |
aff8c126 | 856 | s->ext.npn = NULL; |
a230b26e | 857 | #endif |
6f017a8f | 858 | |
38b051a1 TM |
859 | if (ctx->ext.alpn != NULL) { |
860 | s->ext.alpn = OPENSSL_malloc(ctx->ext.alpn_len); | |
39a14059 MC |
861 | if (s->ext.alpn == NULL) { |
862 | s->ext.alpn_len = 0; | |
0f113f3e | 863 | goto err; |
39a14059 | 864 | } |
38b051a1 TM |
865 | memcpy(s->ext.alpn, ctx->ext.alpn, ctx->ext.alpn_len); |
866 | s->ext.alpn_len = ctx->ext.alpn_len; | |
0f113f3e | 867 | } |
d02b48c6 | 868 | |
696178ed | 869 | s->verified_chain = NULL; |
0f113f3e | 870 | s->verify_result = X509_V_OK; |
d02b48c6 | 871 | |
a974e64a MC |
872 | s->default_passwd_callback = ctx->default_passwd_callback; |
873 | s->default_passwd_callback_userdata = ctx->default_passwd_callback_userdata; | |
874 | ||
44c04a2e MC |
875 | s->key_update = SSL_KEY_UPDATE_NONE; |
876 | ||
82a2beca HL |
877 | if (!IS_QUIC_CTX(ctx)) { |
878 | s->allow_early_data_cb = ctx->allow_early_data_cb; | |
879 | s->allow_early_data_cb_data = ctx->allow_early_data_cb_data; | |
880 | } | |
c9598459 | 881 | |
a7f41885 | 882 | if (!method->ssl_init(ssl)) |
e077455e | 883 | goto sslerr; |
d02b48c6 | 884 | |
a7f41885 | 885 | s->server = (method->ssl_accept == ssl_undefined_function) ? 0 : 1; |
bf21446a | 886 | |
a7f41885 | 887 | if (!method->ssl_reset(ssl)) |
e077455e | 888 | goto sslerr; |
58964a49 | 889 | |
ddac1974 | 890 | #ifndef OPENSSL_NO_PSK |
0f113f3e MC |
891 | s->psk_client_callback = ctx->psk_client_callback; |
892 | s->psk_server_callback = ctx->psk_server_callback; | |
ddac1974 | 893 | #endif |
f46184bd MC |
894 | s->psk_find_session_cb = ctx->psk_find_session_cb; |
895 | s->psk_use_session_cb = ctx->psk_use_session_cb; | |
ddac1974 | 896 | |
9f5a87fd PY |
897 | s->async_cb = ctx->async_cb; |
898 | s->async_cb_arg = ctx->async_cb_arg; | |
899 | ||
07bbc92c MC |
900 | s->job = NULL; |
901 | ||
b67cb09f TS |
902 | #ifndef OPENSSL_NO_COMP_ALG |
903 | memcpy(s->cert_comp_prefs, ctx->cert_comp_prefs, sizeof(s->cert_comp_prefs)); | |
904 | #endif | |
3c95ef22 TS |
905 | if (ctx->client_cert_type != NULL) { |
906 | s->client_cert_type = OPENSSL_memdup(ctx->client_cert_type, | |
907 | ctx->client_cert_type_len); | |
908 | if (s->client_cert_type == NULL) | |
909 | goto sslerr; | |
910 | s->client_cert_type_len = ctx->client_cert_type_len; | |
911 | } | |
912 | if (ctx->server_cert_type != NULL) { | |
913 | s->server_cert_type = OPENSSL_memdup(ctx->server_cert_type, | |
914 | ctx->server_cert_type_len); | |
915 | if (s->server_cert_type == NULL) | |
916 | goto sslerr; | |
917 | s->server_cert_type_len = ctx->server_cert_type_len; | |
918 | } | |
b67cb09f | 919 | |
ed29e82a | 920 | #ifndef OPENSSL_NO_CT |
38b051a1 | 921 | if (!SSL_set_ct_validation_callback(ssl, ctx->ct_validation_callback, |
a230b26e | 922 | ctx->ct_validation_callback_arg)) |
e077455e | 923 | goto sslerr; |
ed29e82a RP |
924 | #endif |
925 | ||
ee58915c | 926 | s->ssl_pkey_num = SSL_PKEY_NUM + ctx->sigalg_list_len; |
38b051a1 | 927 | return ssl; |
e077455e RL |
928 | cerr: |
929 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); | |
930 | goto err; | |
931 | asn1err: | |
932 | ERR_raise(ERR_LIB_SSL, ERR_R_ASN1_LIB); | |
933 | goto err; | |
934 | sslerr: | |
935 | ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB); | |
0f113f3e | 936 | err: |
38b051a1 | 937 | SSL_free(ssl); |
16203f7b | 938 | return NULL; |
0f113f3e | 939 | } |
d02b48c6 | 940 | |
a7f41885 MC |
941 | SSL *ossl_ssl_connection_new(SSL_CTX *ctx) |
942 | { | |
943 | return ossl_ssl_connection_new_int(ctx, ctx->method); | |
944 | } | |
945 | ||
e417070c RS |
946 | int SSL_is_dtls(const SSL *s) |
947 | { | |
38b051a1 TM |
948 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
949 | ||
50769b15 | 950 | #ifndef OPENSSL_NO_QUIC |
f8636c7e | 951 | if (s->type == SSL_TYPE_QUIC_CONNECTION || s->type == SSL_TYPE_QUIC_XSO) |
50769b15 MC |
952 | return 0; |
953 | #endif | |
954 | ||
38b051a1 TM |
955 | if (sc == NULL) |
956 | return 0; | |
957 | ||
958 | return SSL_CONNECTION_IS_DTLS(sc) ? 1 : 0; | |
e417070c RS |
959 | } |
960 | ||
50769b15 MC |
961 | int SSL_is_tls(const SSL *s) |
962 | { | |
963 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
964 | ||
965 | #ifndef OPENSSL_NO_QUIC | |
f8636c7e | 966 | if (s->type == SSL_TYPE_QUIC_CONNECTION || s->type == SSL_TYPE_QUIC_XSO) |
50769b15 MC |
967 | return 0; |
968 | #endif | |
969 | ||
970 | if (sc == NULL) | |
971 | return 0; | |
972 | ||
973 | return SSL_CONNECTION_IS_DTLS(sc) ? 0 : 1; | |
974 | } | |
975 | ||
976 | int SSL_is_quic(const SSL *s) | |
977 | { | |
978 | #ifndef OPENSSL_NO_QUIC | |
f8636c7e | 979 | if (s->type == SSL_TYPE_QUIC_CONNECTION || s->type == SSL_TYPE_QUIC_XSO) |
50769b15 MC |
980 | return 1; |
981 | #endif | |
982 | return 0; | |
983 | } | |
984 | ||
c5ebfcab | 985 | int SSL_up_ref(SSL *s) |
a18a31e4 | 986 | { |
16203f7b | 987 | int i; |
c5ebfcab | 988 | |
43a07d6d | 989 | if (CRYPTO_UP_REF(&s->references, &i) <= 0) |
c5ebfcab F |
990 | return 0; |
991 | ||
992 | REF_PRINT_COUNT("SSL", s); | |
993 | REF_ASSERT_ISNT(i < 2); | |
994 | return ((i > 1) ? 1 : 0); | |
a18a31e4 MC |
995 | } |
996 | ||
0f113f3e MC |
997 | int SSL_CTX_set_session_id_context(SSL_CTX *ctx, const unsigned char *sid_ctx, |
998 | unsigned int sid_ctx_len) | |
999 | { | |
fe9edc9d | 1000 | if (sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) { |
6849b73c | 1001 | ERR_raise(ERR_LIB_SSL, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); |
0f113f3e MC |
1002 | return 0; |
1003 | } | |
1004 | ctx->sid_ctx_length = sid_ctx_len; | |
1005 | memcpy(ctx->sid_ctx, sid_ctx, sid_ctx_len); | |
4eb77b26 BM |
1006 | |
1007 | return 1; | |
0f113f3e | 1008 | } |
4eb77b26 | 1009 | |
0f113f3e MC |
1010 | int SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx, |
1011 | unsigned int sid_ctx_len) | |
1012 | { | |
38b051a1 TM |
1013 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
1014 | ||
1015 | if (sc == NULL) | |
1016 | return 0; | |
1017 | ||
0f113f3e | 1018 | if (sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) { |
6849b73c | 1019 | ERR_raise(ERR_LIB_SSL, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); |
0f113f3e MC |
1020 | return 0; |
1021 | } | |
38b051a1 TM |
1022 | sc->sid_ctx_length = sid_ctx_len; |
1023 | memcpy(sc->sid_ctx, sid_ctx, sid_ctx_len); | |
b4cadc6e BL |
1024 | |
1025 | return 1; | |
0f113f3e | 1026 | } |
b4cadc6e | 1027 | |
dc644fe2 | 1028 | int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb) |
0f113f3e | 1029 | { |
cd3f8c1b RS |
1030 | if (!CRYPTO_THREAD_write_lock(ctx->lock)) |
1031 | return 0; | |
0f113f3e | 1032 | ctx->generate_session_id = cb; |
16203f7b | 1033 | CRYPTO_THREAD_unlock(ctx->lock); |
0f113f3e MC |
1034 | return 1; |
1035 | } | |
dc644fe2 GT |
1036 | |
1037 | int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb) | |
0f113f3e | 1038 | { |
38b051a1 TM |
1039 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
1040 | ||
1041 | if (sc == NULL || !CRYPTO_THREAD_write_lock(ssl->lock)) | |
cd3f8c1b | 1042 | return 0; |
38b051a1 | 1043 | sc->generate_session_id = cb; |
16203f7b | 1044 | CRYPTO_THREAD_unlock(ssl->lock); |
0f113f3e MC |
1045 | return 1; |
1046 | } | |
dc644fe2 | 1047 | |
f85c9904 | 1048 | int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id, |
0f113f3e MC |
1049 | unsigned int id_len) |
1050 | { | |
1051 | /* | |
1052 | * A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how | |
69687aa8 | 1053 | * we can "construct" a session to give us the desired check - i.e. to |
0f113f3e MC |
1054 | * find if there's a session in the hash table that would conflict with |
1055 | * any new session built out of this id/id_len and the ssl_version in use | |
1056 | * by this SSL. | |
1057 | */ | |
1058 | SSL_SESSION r, *p; | |
38b051a1 | 1059 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl); |
0f113f3e | 1060 | |
38b051a1 | 1061 | if (sc == NULL || id_len > sizeof(r.session_id)) |
0f113f3e MC |
1062 | return 0; |
1063 | ||
38b051a1 | 1064 | r.ssl_version = sc->version; |
0f113f3e MC |
1065 | r.session_id_length = id_len; |
1066 | memcpy(r.session_id, id, id_len); | |
1067 | ||
38b051a1 | 1068 | if (!CRYPTO_THREAD_read_lock(sc->session_ctx->lock)) |
cd3f8c1b | 1069 | return 0; |
38b051a1 TM |
1070 | p = lh_SSL_SESSION_retrieve(sc->session_ctx->sessions, &r); |
1071 | CRYPTO_THREAD_unlock(sc->session_ctx->lock); | |
0f113f3e MC |
1072 | return (p != NULL); |
1073 | } | |
dc644fe2 | 1074 | |
bb7cd4e3 | 1075 | int SSL_CTX_set_purpose(SSL_CTX *s, int purpose) |
0f113f3e MC |
1076 | { |
1077 | return X509_VERIFY_PARAM_set_purpose(s->param, purpose); | |
1078 | } | |
bb7cd4e3 DSH |
1079 | |
1080 | int SSL_set_purpose(SSL *s, int purpose) | |
0f113f3e | 1081 | { |
38b051a1 TM |
1082 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1083 | ||
1084 | if (sc == NULL) | |
1085 | return 0; | |
1086 | ||
1087 | return X509_VERIFY_PARAM_set_purpose(sc->param, purpose); | |
0f113f3e | 1088 | } |
926a56bf | 1089 | |
bb7cd4e3 | 1090 | int SSL_CTX_set_trust(SSL_CTX *s, int trust) |
0f113f3e MC |
1091 | { |
1092 | return X509_VERIFY_PARAM_set_trust(s->param, trust); | |
1093 | } | |
bb7cd4e3 DSH |
1094 | |
1095 | int SSL_set_trust(SSL *s, int trust) | |
0f113f3e | 1096 | { |
38b051a1 TM |
1097 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1098 | ||
1099 | if (sc == NULL) | |
1100 | return 0; | |
1101 | ||
1102 | return X509_VERIFY_PARAM_set_trust(sc->param, trust); | |
0f113f3e | 1103 | } |
bb7cd4e3 | 1104 | |
919ba009 VD |
1105 | int SSL_set1_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. */ | |
38b051a1 TM |
1114 | if (hostname != NULL |
1115 | && X509_VERIFY_PARAM_set1_ip_asc(sc->param, hostname) == 1) | |
c832840e DW |
1116 | return 1; |
1117 | ||
38b051a1 | 1118 | return X509_VERIFY_PARAM_set1_host(sc->param, hostname, 0); |
919ba009 VD |
1119 | } |
1120 | ||
1121 | int SSL_add1_host(SSL *s, const char *hostname) | |
1122 | { | |
38b051a1 TM |
1123 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1124 | ||
1125 | if (sc == NULL) | |
1126 | return 0; | |
1127 | ||
c832840e DW |
1128 | /* If a hostname is provided and parses as an IP address, |
1129 | * treat it as such. */ | |
892a9e4c DW |
1130 | if (hostname) |
1131 | { | |
1132 | ASN1_OCTET_STRING *ip; | |
1133 | char *old_ip; | |
1134 | ||
1135 | ip = a2i_IPADDRESS(hostname); | |
1136 | if (ip) { | |
1137 | /* We didn't want it; only to check if it *is* an IP address */ | |
1138 | ASN1_OCTET_STRING_free(ip); | |
1139 | ||
38b051a1 | 1140 | old_ip = X509_VERIFY_PARAM_get1_ip_asc(sc->param); |
892a9e4c DW |
1141 | if (old_ip) |
1142 | { | |
f2bfc53b | 1143 | OPENSSL_free(old_ip); |
892a9e4c DW |
1144 | /* There can be only one IP address */ |
1145 | return 0; | |
1146 | } | |
1147 | ||
38b051a1 | 1148 | return X509_VERIFY_PARAM_set1_ip_asc(sc->param, hostname); |
892a9e4c DW |
1149 | } |
1150 | } | |
c832840e | 1151 | |
38b051a1 | 1152 | return X509_VERIFY_PARAM_add1_host(sc->param, hostname, 0); |
919ba009 VD |
1153 | } |
1154 | ||
1155 | void SSL_set_hostflags(SSL *s, unsigned int flags) | |
1156 | { | |
38b051a1 TM |
1157 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1158 | ||
1159 | if (sc == NULL) | |
1160 | return; | |
1161 | ||
1162 | X509_VERIFY_PARAM_set_hostflags(sc->param, flags); | |
919ba009 VD |
1163 | } |
1164 | ||
4588cb44 | 1165 | const char *SSL_get0_peername(SSL *s) |
919ba009 | 1166 | { |
38b051a1 TM |
1167 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1168 | ||
1169 | if (sc == NULL) | |
1170 | return NULL; | |
1171 | ||
1172 | return X509_VERIFY_PARAM_get0_peername(sc->param); | |
919ba009 VD |
1173 | } |
1174 | ||
1175 | int SSL_CTX_dane_enable(SSL_CTX *ctx) | |
1176 | { | |
1177 | return dane_ctx_enable(&ctx->dane); | |
1178 | } | |
1179 | ||
5ae4ceb9 VD |
1180 | unsigned long SSL_CTX_dane_set_flags(SSL_CTX *ctx, unsigned long flags) |
1181 | { | |
1182 | unsigned long orig = ctx->dane.flags; | |
1183 | ||
1184 | ctx->dane.flags |= flags; | |
1185 | return orig; | |
1186 | } | |
1187 | ||
1188 | unsigned long SSL_CTX_dane_clear_flags(SSL_CTX *ctx, unsigned long flags) | |
1189 | { | |
1190 | unsigned long orig = ctx->dane.flags; | |
1191 | ||
1192 | ctx->dane.flags &= ~flags; | |
1193 | return orig; | |
1194 | } | |
1195 | ||
919ba009 VD |
1196 | int SSL_dane_enable(SSL *s, const char *basedomain) |
1197 | { | |
38b051a1 TM |
1198 | SSL_DANE *dane; |
1199 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
919ba009 | 1200 | |
38b051a1 TM |
1201 | if (sc == NULL) |
1202 | return 0; | |
1203 | ||
1204 | dane = &sc->dane; | |
919ba009 | 1205 | if (s->ctx->dane.mdmax == 0) { |
6849b73c | 1206 | ERR_raise(ERR_LIB_SSL, SSL_R_CONTEXT_NOT_DANE_ENABLED); |
919ba009 VD |
1207 | return 0; |
1208 | } | |
1209 | if (dane->trecs != NULL) { | |
6849b73c | 1210 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_ALREADY_ENABLED); |
919ba009 VD |
1211 | return 0; |
1212 | } | |
1213 | ||
8d887efa VD |
1214 | /* |
1215 | * Default SNI name. This rejects empty names, while set1_host below | |
9929c817 | 1216 | * accepts them and disables hostname checks. To avoid side-effects with |
8d887efa VD |
1217 | * invalid input, set the SNI name first. |
1218 | */ | |
38b051a1 | 1219 | if (sc->ext.hostname == NULL) { |
dccd20d1 | 1220 | if (!SSL_set_tlsext_host_name(s, basedomain)) { |
6849b73c | 1221 | ERR_raise(ERR_LIB_SSL, SSL_R_ERROR_SETTING_TLSA_BASE_DOMAIN); |
dccd20d1 | 1222 | return -1; |
8d887efa VD |
1223 | } |
1224 | } | |
1225 | ||
919ba009 | 1226 | /* Primary RFC6125 reference identifier */ |
38b051a1 | 1227 | if (!X509_VERIFY_PARAM_set1_host(sc->param, basedomain, 0)) { |
6849b73c | 1228 | ERR_raise(ERR_LIB_SSL, SSL_R_ERROR_SETTING_TLSA_BASE_DOMAIN); |
919ba009 VD |
1229 | return -1; |
1230 | } | |
1231 | ||
919ba009 VD |
1232 | dane->mdpth = -1; |
1233 | dane->pdpth = -1; | |
1234 | dane->dctx = &s->ctx->dane; | |
1235 | dane->trecs = sk_danetls_record_new_null(); | |
1236 | ||
1237 | if (dane->trecs == NULL) { | |
e077455e | 1238 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
919ba009 VD |
1239 | return -1; |
1240 | } | |
1241 | return 1; | |
1242 | } | |
1243 | ||
5ae4ceb9 VD |
1244 | unsigned long SSL_dane_set_flags(SSL *ssl, unsigned long flags) |
1245 | { | |
38b051a1 TM |
1246 | unsigned long orig; |
1247 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); | |
1248 | ||
1249 | if (sc == NULL) | |
1250 | return 0; | |
1251 | ||
1252 | orig = sc->dane.flags; | |
5ae4ceb9 | 1253 | |
38b051a1 | 1254 | sc->dane.flags |= flags; |
5ae4ceb9 VD |
1255 | return orig; |
1256 | } | |
1257 | ||
1258 | unsigned long SSL_dane_clear_flags(SSL *ssl, unsigned long flags) | |
1259 | { | |
38b051a1 TM |
1260 | unsigned long orig; |
1261 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); | |
5ae4ceb9 | 1262 | |
38b051a1 TM |
1263 | if (sc == NULL) |
1264 | return 0; | |
1265 | ||
1266 | orig = sc->dane.flags; | |
1267 | ||
1268 | sc->dane.flags &= ~flags; | |
5ae4ceb9 VD |
1269 | return orig; |
1270 | } | |
1271 | ||
919ba009 VD |
1272 | int SSL_get0_dane_authority(SSL *s, X509 **mcert, EVP_PKEY **mspki) |
1273 | { | |
38b051a1 TM |
1274 | SSL_DANE *dane; |
1275 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
919ba009 | 1276 | |
38b051a1 TM |
1277 | if (sc == NULL) |
1278 | return -1; | |
1279 | ||
1280 | dane = &sc->dane; | |
1281 | ||
1282 | if (!DANETLS_ENABLED(dane) || sc->verify_result != X509_V_OK) | |
919ba009 VD |
1283 | return -1; |
1284 | if (dane->mtlsa) { | |
1285 | if (mcert) | |
1286 | *mcert = dane->mcert; | |
1287 | if (mspki) | |
1288 | *mspki = (dane->mcert == NULL) ? dane->mtlsa->spki : NULL; | |
1289 | } | |
1290 | return dane->mdpth; | |
1291 | } | |
1292 | ||
1293 | int SSL_get0_dane_tlsa(SSL *s, uint8_t *usage, uint8_t *selector, | |
6d4313f0 | 1294 | uint8_t *mtype, const unsigned char **data, size_t *dlen) |
919ba009 | 1295 | { |
38b051a1 TM |
1296 | SSL_DANE *dane; |
1297 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
919ba009 | 1298 | |
38b051a1 TM |
1299 | if (sc == NULL) |
1300 | return -1; | |
1301 | ||
1302 | dane = &sc->dane; | |
1303 | ||
1304 | if (!DANETLS_ENABLED(dane) || sc->verify_result != X509_V_OK) | |
919ba009 VD |
1305 | return -1; |
1306 | if (dane->mtlsa) { | |
1307 | if (usage) | |
1308 | *usage = dane->mtlsa->usage; | |
1309 | if (selector) | |
1310 | *selector = dane->mtlsa->selector; | |
1311 | if (mtype) | |
1312 | *mtype = dane->mtlsa->mtype; | |
1313 | if (data) | |
1314 | *data = dane->mtlsa->data; | |
1315 | if (dlen) | |
1316 | *dlen = dane->mtlsa->dlen; | |
1317 | } | |
1318 | return dane->mdpth; | |
1319 | } | |
1320 | ||
b9aec69a | 1321 | SSL_DANE *SSL_get0_dane(SSL *s) |
919ba009 | 1322 | { |
38b051a1 TM |
1323 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1324 | ||
1325 | if (sc == NULL) | |
1326 | return NULL; | |
1327 | ||
1328 | return &sc->dane; | |
919ba009 VD |
1329 | } |
1330 | ||
1331 | int SSL_dane_tlsa_add(SSL *s, uint8_t usage, uint8_t selector, | |
6d4313f0 | 1332 | uint8_t mtype, const unsigned char *data, size_t dlen) |
919ba009 | 1333 | { |
38b051a1 TM |
1334 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1335 | ||
1336 | if (sc == NULL) | |
1337 | return 0; | |
1338 | ||
1339 | return dane_tlsa_add(&sc->dane, usage, selector, mtype, data, dlen); | |
919ba009 VD |
1340 | } |
1341 | ||
a230b26e EK |
1342 | int SSL_CTX_dane_mtype_set(SSL_CTX *ctx, const EVP_MD *md, uint8_t mtype, |
1343 | uint8_t ord) | |
919ba009 VD |
1344 | { |
1345 | return dane_mtype_set(&ctx->dane, md, mtype, ord); | |
1346 | } | |
1347 | ||
ccf11751 | 1348 | int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm) |
0f113f3e MC |
1349 | { |
1350 | return X509_VERIFY_PARAM_set1(ctx->param, vpm); | |
1351 | } | |
ccf11751 DSH |
1352 | |
1353 | int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm) | |
0f113f3e | 1354 | { |
38b051a1 TM |
1355 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
1356 | ||
1357 | if (sc == NULL) | |
1358 | return 0; | |
1359 | ||
1360 | return X509_VERIFY_PARAM_set1(sc->param, vpm); | |
0f113f3e | 1361 | } |
ccf11751 | 1362 | |
7af31968 | 1363 | X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx) |
0f113f3e MC |
1364 | { |
1365 | return ctx->param; | |
1366 | } | |
7af31968 DSH |
1367 | |
1368 | X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl) | |
0f113f3e | 1369 | { |
38b051a1 TM |
1370 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
1371 | ||
1372 | if (sc == NULL) | |
1373 | return NULL; | |
1374 | ||
1375 | return sc->param; | |
0f113f3e | 1376 | } |
7af31968 | 1377 | |
a5ee80b9 | 1378 | void SSL_certs_clear(SSL *s) |
0f113f3e | 1379 | { |
38b051a1 TM |
1380 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1381 | ||
1382 | if (sc == NULL) | |
1383 | return; | |
1384 | ||
1385 | ssl_cert_clear_certs(sc->cert); | |
0f113f3e | 1386 | } |
a5ee80b9 | 1387 | |
4f43d0e7 | 1388 | void SSL_free(SSL *s) |
0f113f3e MC |
1389 | { |
1390 | int i; | |
58964a49 | 1391 | |
e6e9170d RS |
1392 | if (s == NULL) |
1393 | return; | |
43a07d6d | 1394 | CRYPTO_DOWN_REF(&s->references, &i); |
f3f1cf84 | 1395 | REF_PRINT_COUNT("SSL", s); |
0f113f3e MC |
1396 | if (i > 0) |
1397 | return; | |
f3f1cf84 | 1398 | REF_ASSERT_ISNT(i < 0); |
d02b48c6 | 1399 | |
38b051a1 TM |
1400 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data); |
1401 | ||
1402 | if (s->method != NULL) | |
1403 | s->method->ssl_free(s); | |
1404 | ||
1405 | SSL_CTX_free(s->ctx); | |
1406 | CRYPTO_THREAD_lock_free(s->lock); | |
43a07d6d | 1407 | CRYPTO_FREE_REF(&s->references); |
38b051a1 TM |
1408 | |
1409 | OPENSSL_free(s); | |
1410 | } | |
1411 | ||
1412 | void ossl_ssl_connection_free(SSL *ssl) | |
1413 | { | |
1414 | SSL_CONNECTION *s; | |
1415 | ||
1416 | s = SSL_CONNECTION_FROM_SSL_ONLY(ssl); | |
1417 | if (s == NULL) | |
1418 | return; | |
1419 | ||
222561fe | 1420 | X509_VERIFY_PARAM_free(s->param); |
919ba009 | 1421 | dane_final(&s->dane); |
0f113f3e | 1422 | |
b77f3ed1 | 1423 | /* Ignore return value */ |
2e7dc7cd MC |
1424 | ssl_free_wbio_buffer(s); |
1425 | ||
9ff51954 MC |
1426 | RECORD_LAYER_clear(&s->rlayer); |
1427 | ||
25aaa98a | 1428 | BUF_MEM_free(s->init_buf); |
0f113f3e MC |
1429 | |
1430 | /* add extra stuff */ | |
25aaa98a RS |
1431 | sk_SSL_CIPHER_free(s->cipher_list); |
1432 | sk_SSL_CIPHER_free(s->cipher_list_by_id); | |
f865b081 | 1433 | sk_SSL_CIPHER_free(s->tls13_ciphersuites); |
eee2a6a7 | 1434 | sk_SSL_CIPHER_free(s->peer_ciphers); |
0f113f3e MC |
1435 | |
1436 | /* Make the next call work :-) */ | |
1437 | if (s->session != NULL) { | |
1438 | ssl_clear_bad_session(s); | |
1439 | SSL_SESSION_free(s->session); | |
1440 | } | |
9368f865 | 1441 | SSL_SESSION_free(s->psksession); |
add8d0e9 | 1442 | OPENSSL_free(s->psksession_id); |
0f113f3e | 1443 | |
e0e920b1 | 1444 | ssl_cert_free(s->cert); |
29948ac8 | 1445 | OPENSSL_free(s->shared_sigalgs); |
0f113f3e | 1446 | /* Free up if allocated */ |
d02b48c6 | 1447 | |
aff8c126 | 1448 | OPENSSL_free(s->ext.hostname); |
222da979 | 1449 | SSL_CTX_free(s->session_ctx); |
aff8c126 | 1450 | OPENSSL_free(s->ext.ecpointformats); |
cd0fb43c | 1451 | OPENSSL_free(s->ext.peer_ecpointformats); |
aff8c126 | 1452 | OPENSSL_free(s->ext.supportedgroups); |
45436e61 | 1453 | OPENSSL_free(s->ext.peer_supportedgroups); |
aff8c126 | 1454 | sk_X509_EXTENSION_pop_free(s->ext.ocsp.exts, X509_EXTENSION_free); |
3e41ac35 | 1455 | #ifndef OPENSSL_NO_OCSP |
aff8c126 | 1456 | sk_OCSP_RESPID_pop_free(s->ext.ocsp.ids, OCSP_RESPID_free); |
3e41ac35 | 1457 | #endif |
ed29e82a RP |
1458 | #ifndef OPENSSL_NO_CT |
1459 | SCT_LIST_free(s->scts); | |
aff8c126 | 1460 | OPENSSL_free(s->ext.scts); |
ed29e82a | 1461 | #endif |
aff8c126 RS |
1462 | OPENSSL_free(s->ext.ocsp.resp); |
1463 | OPENSSL_free(s->ext.alpn); | |
cfef5027 | 1464 | OPENSSL_free(s->ext.tls13_cookie); |
94941cad MK |
1465 | if (s->clienthello != NULL) |
1466 | OPENSSL_free(s->clienthello->pre_proc_exts); | |
6b1bb98f | 1467 | OPENSSL_free(s->clienthello); |
9d75dce3 TS |
1468 | OPENSSL_free(s->pha_context); |
1469 | EVP_MD_CTX_free(s->pha_dgst); | |
0f113f3e | 1470 | |
fa7c2637 | 1471 | sk_X509_NAME_pop_free(s->ca_names, X509_NAME_free); |
98732979 | 1472 | sk_X509_NAME_pop_free(s->client_ca_names, X509_NAME_free); |
0f113f3e | 1473 | |
3c95ef22 TS |
1474 | OPENSSL_free(s->client_cert_type); |
1475 | OPENSSL_free(s->server_cert_type); | |
1476 | ||
79b2a2f2 | 1477 | OSSL_STACK_OF_X509_free(s->verified_chain); |
696178ed | 1478 | |
38b051a1 TM |
1479 | if (ssl->method != NULL) |
1480 | ssl->method->ssl_deinit(ssl); | |
7c3908dd | 1481 | |
ff75a257 MC |
1482 | ASYNC_WAIT_CTX_free(s->waitctx); |
1483 | ||
e481f9b9 | 1484 | #if !defined(OPENSSL_NO_NEXTPROTONEG) |
aff8c126 | 1485 | OPENSSL_free(s->ext.npn); |
ee2ffc27 BL |
1486 | #endif |
1487 | ||
e783bae2 | 1488 | #ifndef OPENSSL_NO_SRTP |
25aaa98a | 1489 | sk_SRTP_PROTECTION_PROFILE_free(s->srtp_profiles); |
0f113f3e | 1490 | #endif |
cd6e89b6 MC |
1491 | |
1492 | /* | |
1493 | * We do this late. We want to ensure that any other references we held to | |
1494 | * these BIOs are freed first *before* we call BIO_free_all(), because | |
1495 | * BIO_free_all() will only free each BIO in the chain if the number of | |
1496 | * references to the first BIO have dropped to 0 | |
1497 | */ | |
1498 | BIO_free_all(s->wbio); | |
1499 | s->wbio = NULL; | |
1500 | BIO_free_all(s->rbio); | |
1501 | s->rbio = NULL; | |
ee58915c | 1502 | OPENSSL_free(s->s3.tmp.valid_flags); |
0f113f3e MC |
1503 | } |
1504 | ||
65e2d672 | 1505 | void SSL_set0_rbio(SSL *s, BIO *rbio) |
3ffbe008 | 1506 | { |
38b051a1 | 1507 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
03bacce8 | 1508 | |
6d495cc4 HL |
1509 | #ifndef OPENSSL_NO_QUIC |
1510 | if (IS_QUIC(s)) { | |
1511 | ossl_quic_conn_set0_net_rbio(s, rbio); | |
03bacce8 HL |
1512 | return; |
1513 | } | |
1514 | #endif | |
38b051a1 TM |
1515 | |
1516 | if (sc == NULL) | |
1517 | return; | |
1518 | ||
1519 | BIO_free_all(sc->rbio); | |
1520 | sc->rbio = rbio; | |
cffafb5f | 1521 | sc->rlayer.rrlmethod->set1_bio(sc->rlayer.rrl, sc->rbio); |
3ffbe008 MC |
1522 | } |
1523 | ||
65e2d672 | 1524 | void SSL_set0_wbio(SSL *s, BIO *wbio) |
0f113f3e | 1525 | { |
38b051a1 | 1526 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
03bacce8 | 1527 | |
6d495cc4 HL |
1528 | #ifndef OPENSSL_NO_QUIC |
1529 | if (IS_QUIC(s)) { | |
1530 | ossl_quic_conn_set0_net_wbio(s, wbio); | |
03bacce8 HL |
1531 | return; |
1532 | } | |
1533 | #endif | |
38b051a1 TM |
1534 | |
1535 | if (sc == NULL) | |
1536 | return; | |
1537 | ||
0f113f3e MC |
1538 | /* |
1539 | * If the output buffering BIO is still in place, remove it | |
1540 | */ | |
38b051a1 TM |
1541 | if (sc->bbio != NULL) |
1542 | sc->wbio = BIO_pop(sc->wbio); | |
2e7dc7cd | 1543 | |
38b051a1 TM |
1544 | BIO_free_all(sc->wbio); |
1545 | sc->wbio = wbio; | |
2e7dc7cd MC |
1546 | |
1547 | /* Re-attach |bbio| to the new |wbio|. */ | |
38b051a1 TM |
1548 | if (sc->bbio != NULL) |
1549 | sc->wbio = BIO_push(sc->bbio, sc->wbio); | |
b5cf81f7 MC |
1550 | |
1551 | sc->rlayer.wrlmethod->set1_bio(sc->rlayer.wrl, sc->wbio); | |
0f113f3e | 1552 | } |
d02b48c6 | 1553 | |
3ffbe008 MC |
1554 | void SSL_set_bio(SSL *s, BIO *rbio, BIO *wbio) |
1555 | { | |
65e2d672 MC |
1556 | /* |
1557 | * For historical reasons, this function has many different cases in | |
1558 | * ownership handling. | |
1559 | */ | |
1560 | ||
1561 | /* If nothing has changed, do nothing */ | |
1562 | if (rbio == SSL_get_rbio(s) && wbio == SSL_get_wbio(s)) | |
1563 | return; | |
1564 | ||
1565 | /* | |
1566 | * If the two arguments are equal then one fewer reference is granted by the | |
1567 | * caller than we want to take | |
1568 | */ | |
1569 | if (rbio != NULL && rbio == wbio) | |
1570 | BIO_up_ref(rbio); | |
1571 | ||
1572 | /* | |
1573 | * If only the wbio is changed only adopt one reference. | |
1574 | */ | |
1575 | if (rbio == SSL_get_rbio(s)) { | |
1576 | SSL_set0_wbio(s, wbio); | |
1577 | return; | |
1578 | } | |
1579 | /* | |
1580 | * There is an asymmetry here for historical reasons. If only the rbio is | |
1581 | * changed AND the rbio and wbio were originally different, then we only | |
1582 | * adopt one reference. | |
1583 | */ | |
1584 | if (wbio == SSL_get_wbio(s) && SSL_get_rbio(s) != SSL_get_wbio(s)) { | |
1585 | SSL_set0_rbio(s, rbio); | |
1586 | return; | |
1587 | } | |
1588 | ||
1589 | /* Otherwise, adopt both references. */ | |
1590 | SSL_set0_rbio(s, rbio); | |
1591 | SSL_set0_wbio(s, wbio); | |
3ffbe008 MC |
1592 | } |
1593 | ||
0821bcd4 | 1594 | BIO *SSL_get_rbio(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_rbio(s); | |
03bacce8 | 1601 | #endif |
38b051a1 TM |
1602 | |
1603 | if (sc == NULL) | |
1604 | return NULL; | |
1605 | ||
1606 | return sc->rbio; | |
0f113f3e | 1607 | } |
d02b48c6 | 1608 | |
0821bcd4 | 1609 | BIO *SSL_get_wbio(const SSL *s) |
0f113f3e | 1610 | { |
38b051a1 | 1611 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
03bacce8 | 1612 | |
6d495cc4 HL |
1613 | #ifndef OPENSSL_NO_QUIC |
1614 | if (IS_QUIC(s)) | |
1615 | return ossl_quic_conn_get_net_wbio(s); | |
03bacce8 | 1616 | #endif |
38b051a1 TM |
1617 | |
1618 | if (sc == NULL) | |
1619 | return NULL; | |
1620 | ||
1621 | if (sc->bbio != NULL) { | |
2e7dc7cd MC |
1622 | /* |
1623 | * If |bbio| is active, the true caller-configured BIO is its | |
1624 | * |next_bio|. | |
1625 | */ | |
38b051a1 | 1626 | return BIO_next(sc->bbio); |
2e7dc7cd | 1627 | } |
38b051a1 | 1628 | return sc->wbio; |
0f113f3e | 1629 | } |
d02b48c6 | 1630 | |
0821bcd4 | 1631 | int SSL_get_fd(const SSL *s) |
0f113f3e | 1632 | { |
2e7dc7cd | 1633 | return SSL_get_rfd(s); |
0f113f3e | 1634 | } |
24cbf3ef | 1635 | |
0821bcd4 | 1636 | int SSL_get_rfd(const SSL *s) |
0f113f3e MC |
1637 | { |
1638 | int ret = -1; | |
1639 | BIO *b, *r; | |
1640 | ||
1641 | b = SSL_get_rbio(s); | |
1642 | r = BIO_find_type(b, BIO_TYPE_DESCRIPTOR); | |
1643 | if (r != NULL) | |
1644 | BIO_get_fd(r, &ret); | |
26a7d938 | 1645 | return ret; |
0f113f3e | 1646 | } |
d02b48c6 | 1647 | |
0821bcd4 | 1648 | int SSL_get_wfd(const SSL *s) |
0f113f3e MC |
1649 | { |
1650 | int ret = -1; | |
1651 | BIO *b, *r; | |
1652 | ||
1653 | b = SSL_get_wbio(s); | |
1654 | r = BIO_find_type(b, BIO_TYPE_DESCRIPTOR); | |
1655 | if (r != NULL) | |
1656 | BIO_get_fd(r, &ret); | |
26a7d938 | 1657 | return ret; |
0f113f3e | 1658 | } |
24cbf3ef | 1659 | |
bc36ee62 | 1660 | #ifndef OPENSSL_NO_SOCK |
d6e7ebba HL |
1661 | static const BIO_METHOD *fd_method(SSL *s) |
1662 | { | |
1663 | #ifndef OPENSSL_NO_DGRAM | |
1664 | if (IS_QUIC(s)) | |
1665 | return BIO_s_datagram(); | |
1666 | #endif | |
1667 | ||
1668 | return BIO_s_socket(); | |
1669 | } | |
1670 | ||
0f113f3e MC |
1671 | int SSL_set_fd(SSL *s, int fd) |
1672 | { | |
1673 | int ret = 0; | |
1674 | BIO *bio = NULL; | |
1675 | ||
d6e7ebba HL |
1676 | if (s->type == SSL_TYPE_QUIC_XSO) { |
1677 | ERR_raise(ERR_LIB_SSL, SSL_R_CONN_USE_ONLY); | |
1678 | goto err; | |
1679 | } | |
1680 | ||
1681 | bio = BIO_new(fd_method(s)); | |
0f113f3e MC |
1682 | |
1683 | if (bio == NULL) { | |
6849b73c | 1684 | ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB); |
0f113f3e MC |
1685 | goto err; |
1686 | } | |
1687 | BIO_set_fd(bio, fd, BIO_NOCLOSE); | |
1688 | SSL_set_bio(s, bio, bio); | |
50ec7505 BP |
1689 | #ifndef OPENSSL_NO_KTLS |
1690 | /* | |
1691 | * The new socket is created successfully regardless of ktls_enable. | |
1692 | * ktls_enable doesn't change any functionality of the socket, except | |
1693 | * changing the setsockopt to enable the processing of ktls_start. | |
1694 | * Thus, it is not a problem to call it for non-TLS sockets. | |
1695 | */ | |
1696 | ktls_enable(fd); | |
1697 | #endif /* OPENSSL_NO_KTLS */ | |
0f113f3e MC |
1698 | ret = 1; |
1699 | err: | |
26a7d938 | 1700 | return ret; |
0f113f3e | 1701 | } |
d02b48c6 | 1702 | |
0f113f3e MC |
1703 | int SSL_set_wfd(SSL *s, int fd) |
1704 | { | |
2e7dc7cd | 1705 | BIO *rbio = SSL_get_rbio(s); |
d6e7ebba HL |
1706 | int desired_type = IS_QUIC(s) ? BIO_TYPE_DGRAM : BIO_TYPE_SOCKET; |
1707 | ||
1708 | if (s->type == SSL_TYPE_QUIC_XSO) { | |
1709 | ERR_raise(ERR_LIB_SSL, SSL_R_CONN_USE_ONLY); | |
1710 | return 0; | |
1711 | } | |
0f113f3e | 1712 | |
5e6015af | 1713 | if (rbio == NULL || BIO_method_type(rbio) != desired_type |
2e7dc7cd | 1714 | || (int)BIO_get_fd(rbio, NULL) != fd) { |
d6e7ebba | 1715 | BIO *bio = BIO_new(fd_method(s)); |
0f113f3e MC |
1716 | |
1717 | if (bio == NULL) { | |
6849b73c | 1718 | ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB); |
2e7dc7cd | 1719 | return 0; |
0f113f3e MC |
1720 | } |
1721 | BIO_set_fd(bio, fd, BIO_NOCLOSE); | |
65e2d672 | 1722 | SSL_set0_wbio(s, bio); |
50ec7505 BP |
1723 | #ifndef OPENSSL_NO_KTLS |
1724 | /* | |
1725 | * The new socket is created successfully regardless of ktls_enable. | |
1726 | * ktls_enable doesn't change any functionality of the socket, except | |
1727 | * changing the setsockopt to enable the processing of ktls_start. | |
1728 | * Thus, it is not a problem to call it for non-TLS sockets. | |
1729 | */ | |
1730 | ktls_enable(fd); | |
1731 | #endif /* OPENSSL_NO_KTLS */ | |
2e7dc7cd | 1732 | } else { |
65e2d672 MC |
1733 | BIO_up_ref(rbio); |
1734 | SSL_set0_wbio(s, rbio); | |
2e7dc7cd MC |
1735 | } |
1736 | return 1; | |
0f113f3e MC |
1737 | } |
1738 | ||
1739 | int SSL_set_rfd(SSL *s, int fd) | |
1740 | { | |
2e7dc7cd | 1741 | BIO *wbio = SSL_get_wbio(s); |
d6e7ebba HL |
1742 | int desired_type = IS_QUIC(s) ? BIO_TYPE_DGRAM : BIO_TYPE_SOCKET; |
1743 | ||
1744 | if (s->type == SSL_TYPE_QUIC_XSO) { | |
1745 | ERR_raise(ERR_LIB_SSL, SSL_R_CONN_USE_ONLY); | |
1746 | return 0; | |
1747 | } | |
0f113f3e | 1748 | |
5e6015af | 1749 | if (wbio == NULL || BIO_method_type(wbio) != desired_type |
2e7dc7cd | 1750 | || ((int)BIO_get_fd(wbio, NULL) != fd)) { |
d6e7ebba | 1751 | BIO *bio = BIO_new(fd_method(s)); |
0f113f3e MC |
1752 | |
1753 | if (bio == NULL) { | |
6849b73c | 1754 | ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB); |
2e7dc7cd | 1755 | return 0; |
0f113f3e MC |
1756 | } |
1757 | BIO_set_fd(bio, fd, BIO_NOCLOSE); | |
65e2d672 | 1758 | SSL_set0_rbio(s, bio); |
2e7dc7cd | 1759 | } else { |
65e2d672 MC |
1760 | BIO_up_ref(wbio); |
1761 | SSL_set0_rbio(s, wbio); | |
2e7dc7cd MC |
1762 | } |
1763 | ||
1764 | return 1; | |
0f113f3e MC |
1765 | } |
1766 | #endif | |
ca03109c BM |
1767 | |
1768 | /* return length of latest Finished message we sent, copy to 'buf' */ | |
0821bcd4 | 1769 | size_t SSL_get_finished(const SSL *s, void *buf, size_t count) |
0f113f3e MC |
1770 | { |
1771 | size_t ret = 0; | |
38b051a1 TM |
1772 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
1773 | ||
1774 | if (sc == NULL) | |
1775 | return 0; | |
0f113f3e | 1776 | |
38b051a1 | 1777 | ret = sc->s3.tmp.finish_md_len; |
555cbb32 TS |
1778 | if (count > ret) |
1779 | count = ret; | |
38b051a1 | 1780 | memcpy(buf, sc->s3.tmp.finish_md, count); |
0f113f3e MC |
1781 | return ret; |
1782 | } | |
ca03109c BM |
1783 | |
1784 | /* return length of latest Finished message we expected, copy to 'buf' */ | |
0821bcd4 | 1785 | size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count) |
0f113f3e MC |
1786 | { |
1787 | size_t ret = 0; | |
38b051a1 | 1788 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
ca03109c | 1789 | |
38b051a1 TM |
1790 | if (sc == NULL) |
1791 | return 0; | |
1792 | ||
1793 | ret = sc->s3.tmp.peer_finish_md_len; | |
555cbb32 TS |
1794 | if (count > ret) |
1795 | count = ret; | |
38b051a1 | 1796 | memcpy(buf, sc->s3.tmp.peer_finish_md, count); |
0f113f3e MC |
1797 | return ret; |
1798 | } | |
ca03109c | 1799 | |
0821bcd4 | 1800 | int SSL_get_verify_mode(const SSL *s) |
0f113f3e | 1801 | { |
38b051a1 TM |
1802 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
1803 | ||
1804 | if (sc == NULL) | |
1805 | return 0; | |
1806 | ||
1807 | return sc->verify_mode; | |
0f113f3e | 1808 | } |
d02b48c6 | 1809 | |
0821bcd4 | 1810 | int SSL_get_verify_depth(const SSL *s) |
0f113f3e | 1811 | { |
38b051a1 TM |
1812 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
1813 | ||
1814 | if (sc == NULL) | |
1815 | return 0; | |
1816 | ||
1817 | return X509_VERIFY_PARAM_get_depth(sc->param); | |
0f113f3e | 1818 | } |
7f89714e | 1819 | |
0f113f3e | 1820 | int (*SSL_get_verify_callback(const SSL *s)) (int, X509_STORE_CTX *) { |
38b051a1 TM |
1821 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
1822 | ||
1823 | if (sc == NULL) | |
1824 | return NULL; | |
1825 | ||
1826 | return sc->verify_callback; | |
0f113f3e | 1827 | } |
d02b48c6 | 1828 | |
0821bcd4 | 1829 | int SSL_CTX_get_verify_mode(const SSL_CTX *ctx) |
0f113f3e | 1830 | { |
26a7d938 | 1831 | return ctx->verify_mode; |
0f113f3e | 1832 | } |
d02b48c6 | 1833 | |
0821bcd4 | 1834 | int SSL_CTX_get_verify_depth(const SSL_CTX *ctx) |
0f113f3e MC |
1835 | { |
1836 | return X509_VERIFY_PARAM_get_depth(ctx->param); | |
1837 | } | |
1838 | ||
1839 | int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx)) (int, X509_STORE_CTX *) { | |
26a7d938 | 1840 | return ctx->default_verify_callback; |
0f113f3e MC |
1841 | } |
1842 | ||
1843 | void SSL_set_verify(SSL *s, int mode, | |
1844 | int (*callback) (int ok, X509_STORE_CTX *ctx)) | |
1845 | { | |
38b051a1 TM |
1846 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1847 | ||
1848 | if (sc == NULL) | |
1849 | return; | |
1850 | ||
1851 | sc->verify_mode = mode; | |
0f113f3e | 1852 | if (callback != NULL) |
38b051a1 | 1853 | sc->verify_callback = callback; |
0f113f3e MC |
1854 | } |
1855 | ||
1856 | void SSL_set_verify_depth(SSL *s, int depth) | |
1857 | { | |
38b051a1 TM |
1858 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1859 | ||
1860 | if (sc == NULL) | |
1861 | return; | |
1862 | ||
1863 | X509_VERIFY_PARAM_set_depth(sc->param, depth); | |
0f113f3e MC |
1864 | } |
1865 | ||
1866 | void SSL_set_read_ahead(SSL *s, int yes) | |
1867 | { | |
38b051a1 | 1868 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4566dae7 | 1869 | OSSL_PARAM options[2], *opts = options; |
38b051a1 | 1870 | |
d6e7ebba | 1871 | if (sc == NULL || IS_QUIC(s)) |
38b051a1 TM |
1872 | return; |
1873 | ||
1874 | RECORD_LAYER_set_read_ahead(&sc->rlayer, yes); | |
4566dae7 MC |
1875 | |
1876 | *opts++ = OSSL_PARAM_construct_int(OSSL_LIBSSL_RECORD_LAYER_PARAM_READ_AHEAD, | |
1877 | &sc->rlayer.read_ahead); | |
1878 | *opts = OSSL_PARAM_construct_end(); | |
1879 | ||
1880 | /* Ignore return value */ | |
1881 | sc->rlayer.rrlmethod->set_options(sc->rlayer.rrl, options); | |
0f113f3e | 1882 | } |
d02b48c6 | 1883 | |
0821bcd4 | 1884 | int SSL_get_read_ahead(const SSL *s) |
0f113f3e | 1885 | { |
38b051a1 TM |
1886 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
1887 | ||
d6e7ebba | 1888 | if (sc == NULL || IS_QUIC(s)) |
38b051a1 TM |
1889 | return 0; |
1890 | ||
1891 | return RECORD_LAYER_get_read_ahead(&sc->rlayer); | |
0f113f3e | 1892 | } |
d02b48c6 | 1893 | |
0821bcd4 | 1894 | int SSL_pending(const SSL *s) |
0f113f3e | 1895 | { |
8b0e934a MC |
1896 | size_t pending = s->method->ssl_pending(s); |
1897 | ||
0f113f3e MC |
1898 | /* |
1899 | * SSL_pending cannot work properly if read-ahead is enabled | |
1900 | * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)), and it is | |
1901 | * impossible to fix since SSL_pending cannot report errors that may be | |
1902 | * observed while scanning the new data. (Note that SSL_pending() is | |
1903 | * often used as a boolean value, so we'd better not return -1.) | |
8b0e934a MC |
1904 | * |
1905 | * SSL_pending also cannot work properly if the value >INT_MAX. In that case | |
1906 | * we just return INT_MAX. | |
0f113f3e | 1907 | */ |
348240c6 | 1908 | return pending < INT_MAX ? (int)pending : INT_MAX; |
0f113f3e | 1909 | } |
d02b48c6 | 1910 | |
49580f25 MC |
1911 | int SSL_has_pending(const SSL *s) |
1912 | { | |
1913 | /* | |
1914 | * Similar to SSL_pending() but returns a 1 to indicate that we have | |
6d6b295a MC |
1915 | * processed or unprocessed data available or 0 otherwise (as opposed to the |
1916 | * number of bytes available). Unlike SSL_pending() this will take into | |
1917 | * account read_ahead data. A 1 return simply indicates that we have data. | |
1918 | * That data may not result in any application data, or we may fail to parse | |
1919 | * the records for some reason. | |
49580f25 | 1920 | */ |
560470b5 | 1921 | const SSL_CONNECTION *sc; |
560470b5 | 1922 | |
22b1a96f HL |
1923 | #ifndef OPENSSL_NO_QUIC |
1924 | if (IS_QUIC(s)) | |
6d495cc4 | 1925 | return ossl_quic_has_pending(s); |
560470b5 MC |
1926 | #endif |
1927 | ||
560470b5 | 1928 | sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
38b051a1 | 1929 | |
6d6b295a MC |
1930 | /* Check buffered app data if any first */ |
1931 | if (SSL_CONNECTION_IS_DTLS(sc)) { | |
eddb067e | 1932 | TLS_RECORD *rdata; |
6d6b295a MC |
1933 | pitem *item, *iter; |
1934 | ||
1935 | iter = pqueue_iterator(sc->rlayer.d->buffered_app_data.q); | |
1936 | while ((item = pqueue_next(&iter)) != NULL) { | |
1937 | rdata = item->data; | |
eddb067e | 1938 | if (rdata->length > 0) |
6d6b295a MC |
1939 | return 1; |
1940 | } | |
1941 | } | |
38b051a1 TM |
1942 | |
1943 | if (RECORD_LAYER_processed_read_pending(&sc->rlayer)) | |
49580f25 MC |
1944 | return 1; |
1945 | ||
38b051a1 | 1946 | return RECORD_LAYER_read_pending(&sc->rlayer); |
49580f25 MC |
1947 | } |
1948 | ||
8c2bfd25 | 1949 | X509 *SSL_get1_peer_certificate(const SSL *s) |
0f113f3e | 1950 | { |
8c2bfd25 | 1951 | X509 *r = SSL_get0_peer_certificate(s); |
d02b48c6 | 1952 | |
8c2bfd25 TS |
1953 | if (r != NULL) |
1954 | X509_up_ref(r); | |
0f113f3e | 1955 | |
26a7d938 | 1956 | return r; |
0f113f3e | 1957 | } |
d02b48c6 | 1958 | |
8c2bfd25 TS |
1959 | X509 *SSL_get0_peer_certificate(const SSL *s) |
1960 | { | |
38b051a1 TM |
1961 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
1962 | ||
1963 | if (sc == NULL) | |
1964 | return NULL; | |
1965 | ||
1966 | if (sc->session == NULL) | |
8c2bfd25 TS |
1967 | return NULL; |
1968 | else | |
38b051a1 | 1969 | return sc->session->peer; |
8c2bfd25 TS |
1970 | } |
1971 | ||
0821bcd4 | 1972 | STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s) |
0f113f3e MC |
1973 | { |
1974 | STACK_OF(X509) *r; | |
38b051a1 | 1975 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
0f113f3e | 1976 | |
38b051a1 TM |
1977 | if (sc == NULL) |
1978 | return NULL; | |
1979 | ||
1980 | if (sc->session == NULL) | |
0f113f3e MC |
1981 | r = NULL; |
1982 | else | |
38b051a1 | 1983 | r = sc->session->peer_chain; |
0f113f3e MC |
1984 | |
1985 | /* | |
1986 | * If we are a client, cert_chain includes the peer's own certificate; if | |
1987 | * we are a server, it does not. | |
1988 | */ | |
1989 | ||
26a7d938 | 1990 | return r; |
0f113f3e MC |
1991 | } |
1992 | ||
1993 | /* | |
1994 | * Now in theory, since the calling process own 't' it should be safe to | |
1995 | * modify. We need to be able to read f without being hassled | |
1996 | */ | |
17dd65e6 | 1997 | int SSL_copy_session_id(SSL *t, const SSL *f) |
0f113f3e | 1998 | { |
16203f7b | 1999 | int i; |
3ea30e76 | 2000 | /* TODO(QUIC): Not allowed for QUIC currently. */ |
38b051a1 TM |
2001 | SSL_CONNECTION *tsc = SSL_CONNECTION_FROM_SSL_ONLY(t); |
2002 | const SSL_CONNECTION *fsc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(f); | |
2003 | ||
2004 | if (tsc == NULL || fsc == NULL) | |
2005 | return 0; | |
2006 | ||
3e6a0d57 | 2007 | /* Do we need to do SSL locking? */ |
61986d32 | 2008 | if (!SSL_set_session(t, SSL_get_session(f))) { |
17dd65e6 | 2009 | return 0; |
69f68237 | 2010 | } |
0f113f3e MC |
2011 | |
2012 | /* | |
87d9cafa | 2013 | * what if we are setup for one protocol version but want to talk another |
0f113f3e MC |
2014 | */ |
2015 | if (t->method != f->method) { | |
38b051a1 | 2016 | t->method->ssl_deinit(t); |
919ba009 | 2017 | t->method = f->method; |
38b051a1 | 2018 | if (t->method->ssl_init(t) == 0) |
919ba009 | 2019 | return 0; |
0f113f3e MC |
2020 | } |
2021 | ||
43a07d6d | 2022 | CRYPTO_UP_REF(&fsc->cert->references, &i); |
38b051a1 TM |
2023 | ssl_cert_free(tsc->cert); |
2024 | tsc->cert = fsc->cert; | |
2025 | if (!SSL_set_session_id_context(t, fsc->sid_ctx, (int)fsc->sid_ctx_length)) { | |
17dd65e6 | 2026 | return 0; |
69f68237 | 2027 | } |
17dd65e6 MC |
2028 | |
2029 | return 1; | |
0f113f3e | 2030 | } |
d02b48c6 | 2031 | |
58964a49 | 2032 | /* Fix this so it checks all the valid key/cert options */ |
0821bcd4 | 2033 | int SSL_CTX_check_private_key(const SSL_CTX *ctx) |
0f113f3e | 2034 | { |
a230b26e | 2035 | if ((ctx == NULL) || (ctx->cert->key->x509 == NULL)) { |
6849b73c | 2036 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_CERTIFICATE_ASSIGNED); |
26a7d938 | 2037 | return 0; |
0f113f3e MC |
2038 | } |
2039 | if (ctx->cert->key->privatekey == NULL) { | |
6849b73c | 2040 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_PRIVATE_KEY_ASSIGNED); |
26a7d938 | 2041 | return 0; |
0f113f3e | 2042 | } |
26a7d938 K |
2043 | return X509_check_private_key |
2044 | (ctx->cert->key->x509, ctx->cert->key->privatekey); | |
0f113f3e | 2045 | } |
d02b48c6 | 2046 | |
58964a49 | 2047 | /* Fix this function so that it takes an optional type parameter */ |
0821bcd4 | 2048 | int SSL_check_private_key(const SSL *ssl) |
0f113f3e | 2049 | { |
38b051a1 TM |
2050 | const SSL_CONNECTION *sc; |
2051 | ||
2052 | if ((sc = SSL_CONNECTION_FROM_CONST_SSL(ssl)) == NULL) { | |
6849b73c | 2053 | ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER); |
26a7d938 | 2054 | return 0; |
0f113f3e | 2055 | } |
38b051a1 | 2056 | if (sc->cert->key->x509 == NULL) { |
6849b73c | 2057 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_CERTIFICATE_ASSIGNED); |
26a7d938 | 2058 | return 0; |
0f113f3e | 2059 | } |
38b051a1 | 2060 | if (sc->cert->key->privatekey == NULL) { |
6849b73c | 2061 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_PRIVATE_KEY_ASSIGNED); |
26a7d938 | 2062 | return 0; |
0f113f3e | 2063 | } |
38b051a1 TM |
2064 | return X509_check_private_key(sc->cert->key->x509, |
2065 | sc->cert->key->privatekey); | |
0f113f3e | 2066 | } |
d02b48c6 | 2067 | |
07bbc92c MC |
2068 | int SSL_waiting_for_async(SSL *s) |
2069 | { | |
38b051a1 TM |
2070 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
2071 | ||
2072 | if (sc == NULL) | |
2073 | return 0; | |
2074 | ||
2075 | if (sc->job) | |
82676094 MC |
2076 | return 1; |
2077 | ||
07bbc92c MC |
2078 | return 0; |
2079 | } | |
2080 | ||
ff75a257 | 2081 | int SSL_get_all_async_fds(SSL *s, OSSL_ASYNC_FD *fds, size_t *numfds) |
f4da39d2 | 2082 | { |
38b051a1 TM |
2083 | ASYNC_WAIT_CTX *ctx; |
2084 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
ff75a257 | 2085 | |
38b051a1 TM |
2086 | if (sc == NULL) |
2087 | return 0; | |
2088 | ||
2089 | if ((ctx = sc->waitctx) == NULL) | |
ff75a257 MC |
2090 | return 0; |
2091 | return ASYNC_WAIT_CTX_get_all_fds(ctx, fds, numfds); | |
2092 | } | |
f4da39d2 | 2093 | |
ff75a257 MC |
2094 | int SSL_get_changed_async_fds(SSL *s, OSSL_ASYNC_FD *addfd, size_t *numaddfds, |
2095 | OSSL_ASYNC_FD *delfd, size_t *numdelfds) | |
2096 | { | |
38b051a1 TM |
2097 | ASYNC_WAIT_CTX *ctx; |
2098 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
ff75a257 | 2099 | |
38b051a1 TM |
2100 | if (sc == NULL) |
2101 | return 0; | |
2102 | ||
2103 | if ((ctx = sc->waitctx) == NULL) | |
ff75a257 MC |
2104 | return 0; |
2105 | return ASYNC_WAIT_CTX_get_changed_fds(ctx, addfd, numaddfds, delfd, | |
2106 | numdelfds); | |
f4da39d2 MC |
2107 | } |
2108 | ||
9f5a87fd PY |
2109 | int SSL_CTX_set_async_callback(SSL_CTX *ctx, SSL_async_callback_fn callback) |
2110 | { | |
2111 | ctx->async_cb = callback; | |
2112 | return 1; | |
2113 | } | |
2114 | ||
2115 | int SSL_CTX_set_async_callback_arg(SSL_CTX *ctx, void *arg) | |
2116 | { | |
2117 | ctx->async_cb_arg = arg; | |
2118 | return 1; | |
2119 | } | |
2120 | ||
2121 | int SSL_set_async_callback(SSL *s, SSL_async_callback_fn callback) | |
2122 | { | |
38b051a1 TM |
2123 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
2124 | ||
2125 | if (sc == NULL) | |
2126 | return 0; | |
2127 | ||
2128 | sc->async_cb = callback; | |
9f5a87fd PY |
2129 | return 1; |
2130 | } | |
2131 | ||
2132 | int SSL_set_async_callback_arg(SSL *s, void *arg) | |
2133 | { | |
38b051a1 TM |
2134 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
2135 | ||
2136 | if (sc == NULL) | |
2137 | return 0; | |
2138 | ||
2139 | sc->async_cb_arg = arg; | |
9f5a87fd PY |
2140 | return 1; |
2141 | } | |
2142 | ||
2143 | int SSL_get_async_status(SSL *s, int *status) | |
2144 | { | |
38b051a1 TM |
2145 | ASYNC_WAIT_CTX *ctx; |
2146 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
9f5a87fd | 2147 | |
38b051a1 TM |
2148 | if (sc == NULL) |
2149 | return 0; | |
2150 | ||
2151 | if ((ctx = sc->waitctx) == NULL) | |
9f5a87fd PY |
2152 | return 0; |
2153 | *status = ASYNC_WAIT_CTX_get_status(ctx); | |
2154 | return 1; | |
2155 | } | |
2156 | ||
4f43d0e7 | 2157 | int SSL_accept(SSL *s) |
0f113f3e | 2158 | { |
38b051a1 | 2159 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
03bacce8 | 2160 | |
6d495cc4 HL |
2161 | #ifndef OPENSSL_NO_QUIC |
2162 | if (IS_QUIC(s)) | |
03bacce8 | 2163 | return s->method->ssl_accept(s); |
6292519c | 2164 | #endif |
38b051a1 TM |
2165 | |
2166 | if (sc == NULL) | |
2167 | return 0; | |
2168 | ||
2169 | if (sc->handshake_func == NULL) { | |
0f113f3e MC |
2170 | /* Not properly initialized yet */ |
2171 | SSL_set_accept_state(s); | |
07bbc92c | 2172 | } |
add2f5ca MC |
2173 | |
2174 | return SSL_do_handshake(s); | |
0f113f3e | 2175 | } |
d02b48c6 | 2176 | |
4f43d0e7 | 2177 | int SSL_connect(SSL *s) |
0f113f3e | 2178 | { |
38b051a1 | 2179 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
03bacce8 | 2180 | |
6d495cc4 HL |
2181 | #ifndef OPENSSL_NO_QUIC |
2182 | if (IS_QUIC(s)) | |
03bacce8 | 2183 | return s->method->ssl_connect(s); |
6292519c | 2184 | #endif |
38b051a1 TM |
2185 | |
2186 | if (sc == NULL) | |
2187 | return 0; | |
2188 | ||
2189 | if (sc->handshake_func == NULL) { | |
0f113f3e MC |
2190 | /* Not properly initialized yet */ |
2191 | SSL_set_connect_state(s); | |
add2f5ca | 2192 | } |
b31b04d9 | 2193 | |
add2f5ca | 2194 | return SSL_do_handshake(s); |
0f113f3e | 2195 | } |
d02b48c6 | 2196 | |
0821bcd4 | 2197 | long SSL_get_default_timeout(const SSL *s) |
0f113f3e | 2198 | { |
f0131dc0 | 2199 | return (long int)ossl_time2seconds(s->method->get_timeout()); |
0f113f3e MC |
2200 | } |
2201 | ||
9f5a87fd PY |
2202 | static int ssl_async_wait_ctx_cb(void *arg) |
2203 | { | |
2204 | SSL *s = (SSL *)arg; | |
38b051a1 | 2205 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
9f5a87fd | 2206 | |
38b051a1 TM |
2207 | if (sc == NULL) |
2208 | return 0; | |
2209 | ||
2210 | return sc->async_cb(s, sc->async_cb_arg); | |
9f5a87fd PY |
2211 | } |
2212 | ||
7fecbf6f | 2213 | static int ssl_start_async_job(SSL *s, struct ssl_async_args *args, |
a230b26e EK |
2214 | int (*func) (void *)) |
2215 | { | |
add2f5ca | 2216 | int ret; |
38b051a1 TM |
2217 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
2218 | ||
2219 | if (sc == NULL) | |
2220 | return 0; | |
2221 | ||
2222 | if (sc->waitctx == NULL) { | |
2223 | sc->waitctx = ASYNC_WAIT_CTX_new(); | |
2224 | if (sc->waitctx == NULL) | |
ff75a257 | 2225 | return -1; |
38b051a1 | 2226 | if (sc->async_cb != NULL |
9f5a87fd | 2227 | && !ASYNC_WAIT_CTX_set_callback |
38b051a1 | 2228 | (sc->waitctx, ssl_async_wait_ctx_cb, s)) |
9f5a87fd | 2229 | return -1; |
ff75a257 | 2230 | } |
07f620e3 | 2231 | |
38b051a1 TM |
2232 | sc->rwstate = SSL_NOTHING; |
2233 | switch (ASYNC_start_job(&sc->job, sc->waitctx, &ret, func, args, | |
a230b26e | 2234 | sizeof(struct ssl_async_args))) { |
add2f5ca | 2235 | case ASYNC_ERR: |
38b051a1 | 2236 | sc->rwstate = SSL_NOTHING; |
6849b73c | 2237 | ERR_raise(ERR_LIB_SSL, SSL_R_FAILED_TO_INIT_ASYNC); |
add2f5ca MC |
2238 | return -1; |
2239 | case ASYNC_PAUSE: | |
38b051a1 | 2240 | sc->rwstate = SSL_ASYNC_PAUSED; |
add2f5ca | 2241 | return -1; |
fc7f190c | 2242 | case ASYNC_NO_JOBS: |
38b051a1 | 2243 | sc->rwstate = SSL_ASYNC_NO_JOBS; |
fc7f190c | 2244 | return -1; |
add2f5ca | 2245 | case ASYNC_FINISH: |
38b051a1 | 2246 | sc->job = NULL; |
add2f5ca MC |
2247 | return ret; |
2248 | default: | |
38b051a1 | 2249 | sc->rwstate = SSL_NOTHING; |
6849b73c | 2250 | ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR); |
add2f5ca MC |
2251 | /* Shouldn't happen */ |
2252 | return -1; | |
2253 | } | |
2254 | } | |
07bbc92c | 2255 | |
add2f5ca | 2256 | static int ssl_io_intern(void *vargs) |
07bbc92c MC |
2257 | { |
2258 | struct ssl_async_args *args; | |
2259 | SSL *s; | |
2260 | void *buf; | |
348240c6 | 2261 | size_t num; |
38b051a1 | 2262 | SSL_CONNECTION *sc; |
07bbc92c MC |
2263 | |
2264 | args = (struct ssl_async_args *)vargs; | |
2265 | s = args->s; | |
2266 | buf = args->buf; | |
2267 | num = args->num; | |
38b051a1 TM |
2268 | if ((sc = SSL_CONNECTION_FROM_SSL(s)) == NULL) |
2269 | return -1; | |
2270 | ||
ec447924 MC |
2271 | switch (args->type) { |
2272 | case READFUNC: | |
38b051a1 | 2273 | return args->f.func_read(s, buf, num, &sc->asyncrw); |
ec447924 | 2274 | case WRITEFUNC: |
38b051a1 | 2275 | return args->f.func_write(s, buf, num, &sc->asyncrw); |
ec447924 MC |
2276 | case OTHERFUNC: |
2277 | return args->f.func_other(s); | |
2278 | } | |
2279 | return -1; | |
07bbc92c MC |
2280 | } |
2281 | ||
4ee7d3f9 | 2282 | int ssl_read_internal(SSL *s, void *buf, size_t num, size_t *readbytes) |
0f113f3e | 2283 | { |
38b051a1 | 2284 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
03bacce8 | 2285 | |
6d495cc4 HL |
2286 | #ifndef OPENSSL_NO_QUIC |
2287 | if (IS_QUIC(s)) | |
03bacce8 | 2288 | return s->method->ssl_read(s, buf, num, readbytes); |
6292519c | 2289 | #endif |
38b051a1 TM |
2290 | |
2291 | if (sc == NULL) | |
2292 | return -1; | |
2293 | ||
2294 | if (sc->handshake_func == NULL) { | |
6849b73c | 2295 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
0f113f3e MC |
2296 | return -1; |
2297 | } | |
2298 | ||
38b051a1 TM |
2299 | if (sc->shutdown & SSL_RECEIVED_SHUTDOWN) { |
2300 | sc->rwstate = SSL_NOTHING; | |
4ee7d3f9 | 2301 | return 0; |
0f113f3e | 2302 | } |
07bbc92c | 2303 | |
38b051a1 TM |
2304 | if (sc->early_data_state == SSL_EARLY_DATA_CONNECT_RETRY |
2305 | || sc->early_data_state == SSL_EARLY_DATA_ACCEPT_RETRY) { | |
6849b73c | 2306 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
0a5ece5b MC |
2307 | return 0; |
2308 | } | |
564547e4 MC |
2309 | /* |
2310 | * If we are a client and haven't received the ServerHello etc then we | |
2311 | * better do that | |
2312 | */ | |
38b051a1 | 2313 | ossl_statem_check_finish_init(sc, 0); |
0a5ece5b | 2314 | |
38b051a1 | 2315 | if ((sc->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
add2f5ca | 2316 | struct ssl_async_args args; |
eda75751 | 2317 | int ret; |
add2f5ca MC |
2318 | |
2319 | args.s = s; | |
2320 | args.buf = buf; | |
2321 | args.num = num; | |
ec447924 MC |
2322 | args.type = READFUNC; |
2323 | args.f.func_read = s->method->ssl_read; | |
add2f5ca | 2324 | |
eda75751 | 2325 | ret = ssl_start_async_job(s, &args, ssl_io_intern); |
38b051a1 | 2326 | *readbytes = sc->asyncrw; |
eda75751 | 2327 | return ret; |
07bbc92c | 2328 | } else { |
54105ddd | 2329 | return s->method->ssl_read(s, buf, num, readbytes); |
07bbc92c | 2330 | } |
0f113f3e MC |
2331 | } |
2332 | ||
4ee7d3f9 | 2333 | int SSL_read(SSL *s, void *buf, int num) |
eda75751 MC |
2334 | { |
2335 | int ret; | |
54105ddd | 2336 | size_t readbytes; |
eda75751 MC |
2337 | |
2338 | if (num < 0) { | |
6849b73c | 2339 | ERR_raise(ERR_LIB_SSL, SSL_R_BAD_LENGTH); |
eda75751 MC |
2340 | return -1; |
2341 | } | |
2342 | ||
4ee7d3f9 | 2343 | ret = ssl_read_internal(s, buf, (size_t)num, &readbytes); |
eda75751 MC |
2344 | |
2345 | /* | |
2346 | * The cast is safe here because ret should be <= INT_MAX because num is | |
2347 | * <= INT_MAX | |
2348 | */ | |
2349 | if (ret > 0) | |
54105ddd | 2350 | ret = (int)readbytes; |
eda75751 MC |
2351 | |
2352 | return ret; | |
2353 | } | |
2354 | ||
4ee7d3f9 KR |
2355 | int SSL_read_ex(SSL *s, void *buf, size_t num, size_t *readbytes) |
2356 | { | |
2357 | int ret = ssl_read_internal(s, buf, num, readbytes); | |
2358 | ||
2359 | if (ret < 0) | |
2360 | ret = 0; | |
2361 | return ret; | |
2362 | } | |
2363 | ||
f533fbd4 | 2364 | int SSL_read_early_data(SSL *s, void *buf, size_t num, size_t *readbytes) |
d781d247 MC |
2365 | { |
2366 | int ret; | |
38b051a1 TM |
2367 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
2368 | ||
d6e7ebba HL |
2369 | /* TODO(QUIC 0RTT): 0-RTT support */ |
2370 | if (sc == NULL || !sc->server) { | |
6849b73c | 2371 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
f533fbd4 | 2372 | return SSL_READ_EARLY_DATA_ERROR; |
d781d247 MC |
2373 | } |
2374 | ||
38b051a1 | 2375 | switch (sc->early_data_state) { |
d781d247 MC |
2376 | case SSL_EARLY_DATA_NONE: |
2377 | if (!SSL_in_before(s)) { | |
6849b73c | 2378 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
f533fbd4 | 2379 | return SSL_READ_EARLY_DATA_ERROR; |
d781d247 MC |
2380 | } |
2381 | /* fall through */ | |
2382 | ||
2383 | case SSL_EARLY_DATA_ACCEPT_RETRY: | |
38b051a1 | 2384 | sc->early_data_state = SSL_EARLY_DATA_ACCEPTING; |
d781d247 MC |
2385 | ret = SSL_accept(s); |
2386 | if (ret <= 0) { | |
2387 | /* NBIO or error */ | |
38b051a1 | 2388 | sc->early_data_state = SSL_EARLY_DATA_ACCEPT_RETRY; |
f533fbd4 | 2389 | return SSL_READ_EARLY_DATA_ERROR; |
d781d247 MC |
2390 | } |
2391 | /* fall through */ | |
2392 | ||
2393 | case SSL_EARLY_DATA_READ_RETRY: | |
38b051a1 TM |
2394 | if (sc->ext.early_data == SSL_EARLY_DATA_ACCEPTED) { |
2395 | sc->early_data_state = SSL_EARLY_DATA_READING; | |
d781d247 MC |
2396 | ret = SSL_read_ex(s, buf, num, readbytes); |
2397 | /* | |
ef6c191b MC |
2398 | * State machine will update early_data_state to |
2399 | * SSL_EARLY_DATA_FINISHED_READING if we get an EndOfEarlyData | |
2400 | * message | |
d781d247 | 2401 | */ |
38b051a1 | 2402 | if (ret > 0 || (ret <= 0 && sc->early_data_state |
d781d247 | 2403 | != SSL_EARLY_DATA_FINISHED_READING)) { |
38b051a1 | 2404 | sc->early_data_state = SSL_EARLY_DATA_READ_RETRY; |
f533fbd4 MC |
2405 | return ret > 0 ? SSL_READ_EARLY_DATA_SUCCESS |
2406 | : SSL_READ_EARLY_DATA_ERROR; | |
d781d247 MC |
2407 | } |
2408 | } else { | |
38b051a1 | 2409 | sc->early_data_state = SSL_EARLY_DATA_FINISHED_READING; |
d781d247 MC |
2410 | } |
2411 | *readbytes = 0; | |
f533fbd4 | 2412 | return SSL_READ_EARLY_DATA_FINISH; |
d781d247 MC |
2413 | |
2414 | default: | |
6849b73c | 2415 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
f533fbd4 | 2416 | return SSL_READ_EARLY_DATA_ERROR; |
d781d247 MC |
2417 | } |
2418 | } | |
2419 | ||
f5b519c4 | 2420 | int SSL_get_early_data_status(const SSL *s) |
1ea4d09a | 2421 | { |
38b051a1 TM |
2422 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(s); |
2423 | ||
d6e7ebba | 2424 | /* TODO(QUIC 0RTT): 0-RTT support */ |
38b051a1 TM |
2425 | if (sc == NULL) |
2426 | return 0; | |
2427 | ||
2428 | return sc->ext.early_data; | |
1ea4d09a MC |
2429 | } |
2430 | ||
4ee7d3f9 | 2431 | static int ssl_peek_internal(SSL *s, void *buf, size_t num, size_t *readbytes) |
0f113f3e | 2432 | { |
38b051a1 | 2433 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
03bacce8 | 2434 | |
6d495cc4 HL |
2435 | #ifndef OPENSSL_NO_QUIC |
2436 | if (IS_QUIC(s)) | |
03bacce8 | 2437 | return s->method->ssl_peek(s, buf, num, readbytes); |
6292519c | 2438 | #endif |
38b051a1 TM |
2439 | |
2440 | if (sc == NULL) | |
2441 | return 0; | |
2442 | ||
2443 | if (sc->handshake_func == NULL) { | |
6849b73c | 2444 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
0f113f3e MC |
2445 | return -1; |
2446 | } | |
2447 | ||
38b051a1 | 2448 | if (sc->shutdown & SSL_RECEIVED_SHUTDOWN) { |
4ee7d3f9 | 2449 | return 0; |
0f113f3e | 2450 | } |
38b051a1 | 2451 | if ((sc->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
add2f5ca | 2452 | struct ssl_async_args args; |
eda75751 | 2453 | int ret; |
0f113f3e | 2454 | |
add2f5ca MC |
2455 | args.s = s; |
2456 | args.buf = buf; | |
2457 | args.num = num; | |
ec447924 MC |
2458 | args.type = READFUNC; |
2459 | args.f.func_read = s->method->ssl_peek; | |
07bbc92c | 2460 | |
eda75751 | 2461 | ret = ssl_start_async_job(s, &args, ssl_io_intern); |
38b051a1 | 2462 | *readbytes = sc->asyncrw; |
eda75751 | 2463 | return ret; |
add2f5ca | 2464 | } else { |
54105ddd | 2465 | return s->method->ssl_peek(s, buf, num, readbytes); |
add2f5ca | 2466 | } |
07bbc92c MC |
2467 | } |
2468 | ||
4ee7d3f9 | 2469 | int SSL_peek(SSL *s, void *buf, int num) |
7ee8627f MC |
2470 | { |
2471 | int ret; | |
4ee7d3f9 | 2472 | size_t readbytes; |
7ee8627f MC |
2473 | |
2474 | if (num < 0) { | |
6849b73c | 2475 | ERR_raise(ERR_LIB_SSL, SSL_R_BAD_LENGTH); |
7ee8627f MC |
2476 | return -1; |
2477 | } | |
2478 | ||
4ee7d3f9 | 2479 | ret = ssl_peek_internal(s, buf, (size_t)num, &readbytes); |
7ee8627f MC |
2480 | |
2481 | /* | |
2482 | * The cast is safe here because ret should be <= INT_MAX because num is | |
2483 | * <= INT_MAX | |
2484 | */ | |
2485 | if (ret > 0) | |
4ee7d3f9 | 2486 | ret = (int)readbytes; |
7ee8627f MC |
2487 | |
2488 | return ret; | |
2489 | } | |
2490 | ||
4ee7d3f9 KR |
2491 | |
2492 | int SSL_peek_ex(SSL *s, void *buf, size_t num, size_t *readbytes) | |
2493 | { | |
2494 | int ret = ssl_peek_internal(s, buf, num, readbytes); | |
2495 | ||
2496 | if (ret < 0) | |
2497 | ret = 0; | |
2498 | return ret; | |
2499 | } | |
2500 | ||
2501 | int ssl_write_internal(SSL *s, const void *buf, size_t num, size_t *written) | |
0f113f3e | 2502 | { |
38b051a1 | 2503 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
03bacce8 | 2504 | |
6d495cc4 HL |
2505 | #ifndef OPENSSL_NO_QUIC |
2506 | if (IS_QUIC(s)) | |
03bacce8 | 2507 | return s->method->ssl_write(s, buf, num, written); |
6292519c | 2508 | #endif |
38b051a1 TM |
2509 | |
2510 | if (sc == NULL) | |
2511 | return 0; | |
2512 | ||
2513 | if (sc->handshake_func == NULL) { | |
6849b73c | 2514 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
0f113f3e MC |
2515 | return -1; |
2516 | } | |
2517 | ||
38b051a1 TM |
2518 | if (sc->shutdown & SSL_SENT_SHUTDOWN) { |
2519 | sc->rwstate = SSL_NOTHING; | |
6849b73c | 2520 | ERR_raise(ERR_LIB_SSL, SSL_R_PROTOCOL_IS_SHUTDOWN); |
4ee7d3f9 | 2521 | return -1; |
0f113f3e | 2522 | } |
07bbc92c | 2523 | |
38b051a1 TM |
2524 | if (sc->early_data_state == SSL_EARLY_DATA_CONNECT_RETRY |
2525 | || sc->early_data_state == SSL_EARLY_DATA_ACCEPT_RETRY | |
2526 | || sc->early_data_state == SSL_EARLY_DATA_READ_RETRY) { | |
6849b73c | 2527 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
49e7fe12 | 2528 | return 0; |
0a5ece5b | 2529 | } |
564547e4 | 2530 | /* If we are a client and haven't sent the Finished we better do that */ |
38b051a1 | 2531 | ossl_statem_check_finish_init(sc, 1); |
49e7fe12 | 2532 | |
38b051a1 | 2533 | if ((sc->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
7ee8627f | 2534 | int ret; |
add2f5ca MC |
2535 | struct ssl_async_args args; |
2536 | ||
2537 | args.s = s; | |
2538 | args.buf = (void *)buf; | |
2539 | args.num = num; | |
ec447924 MC |
2540 | args.type = WRITEFUNC; |
2541 | args.f.func_write = s->method->ssl_write; | |
add2f5ca | 2542 | |
7ee8627f | 2543 | ret = ssl_start_async_job(s, &args, ssl_io_intern); |
38b051a1 | 2544 | *written = sc->asyncrw; |
7ee8627f | 2545 | return ret; |
07bbc92c | 2546 | } else { |
7ee8627f | 2547 | return s->method->ssl_write(s, buf, num, written); |
07bbc92c | 2548 | } |
0f113f3e | 2549 | } |
d02b48c6 | 2550 | |
7c3a7561 BP |
2551 | ossl_ssize_t SSL_sendfile(SSL *s, int fd, off_t offset, size_t size, int flags) |
2552 | { | |
2553 | ossl_ssize_t ret; | |
38b051a1 | 2554 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
7c3a7561 | 2555 | |
38b051a1 TM |
2556 | if (sc == NULL) |
2557 | return 0; | |
2558 | ||
2559 | if (sc->handshake_func == NULL) { | |
6849b73c | 2560 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
7c3a7561 BP |
2561 | return -1; |
2562 | } | |
2563 | ||
38b051a1 TM |
2564 | if (sc->shutdown & SSL_SENT_SHUTDOWN) { |
2565 | sc->rwstate = SSL_NOTHING; | |
6849b73c | 2566 | ERR_raise(ERR_LIB_SSL, SSL_R_PROTOCOL_IS_SHUTDOWN); |
7c3a7561 BP |
2567 | return -1; |
2568 | } | |
2569 | ||
38b051a1 | 2570 | if (!BIO_get_ktls_send(sc->wbio)) { |
6849b73c | 2571 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
7c3a7561 BP |
2572 | return -1; |
2573 | } | |
2574 | ||
2575 | /* If we have an alert to send, lets send it */ | |
73243502 | 2576 | if (sc->s3.alert_dispatch > 0) { |
7c3a7561 BP |
2577 | ret = (ossl_ssize_t)s->method->ssl_dispatch_alert(s); |
2578 | if (ret <= 0) { | |
2579 | /* SSLfatal() already called if appropriate */ | |
2580 | return ret; | |
2581 | } | |
2582 | /* if it went, fall through and send more stuff */ | |
2583 | } | |
2584 | ||
38b051a1 TM |
2585 | sc->rwstate = SSL_WRITING; |
2586 | if (BIO_flush(sc->wbio) <= 0) { | |
2587 | if (!BIO_should_retry(sc->wbio)) { | |
2588 | sc->rwstate = SSL_NOTHING; | |
7c3a7561 BP |
2589 | } else { |
2590 | #ifdef EAGAIN | |
2591 | set_sys_error(EAGAIN); | |
2592 | #endif | |
2593 | } | |
2594 | return -1; | |
2595 | } | |
2596 | ||
712c0942 | 2597 | #ifdef OPENSSL_NO_KTLS |
fa7a8074 RL |
2598 | ERR_raise_data(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR, |
2599 | "can't call ktls_sendfile(), ktls disabled"); | |
712c0942 | 2600 | return -1; |
7c3a7561 | 2601 | #else |
712c0942 | 2602 | ret = ktls_sendfile(SSL_get_wfd(s), fd, offset, size, flags); |
7c3a7561 BP |
2603 | if (ret < 0) { |
2604 | #if defined(EAGAIN) && defined(EINTR) && defined(EBUSY) | |
2605 | if ((get_last_sys_error() == EAGAIN) || | |
2606 | (get_last_sys_error() == EINTR) || | |
2607 | (get_last_sys_error() == EBUSY)) | |
38b051a1 | 2608 | BIO_set_retry_write(sc->wbio); |
7c3a7561 BP |
2609 | else |
2610 | #endif | |
6849b73c | 2611 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
7c3a7561 BP |
2612 | return ret; |
2613 | } | |
38b051a1 | 2614 | sc->rwstate = SSL_NOTHING; |
7c3a7561 | 2615 | return ret; |
712c0942 | 2616 | #endif |
7c3a7561 BP |
2617 | } |
2618 | ||
4ee7d3f9 KR |
2619 | int SSL_write(SSL *s, const void *buf, int num) |
2620 | { | |
2621 | int ret; | |
2622 | size_t written; | |
2623 | ||
2624 | if (num < 0) { | |
6849b73c | 2625 | ERR_raise(ERR_LIB_SSL, SSL_R_BAD_LENGTH); |
4ee7d3f9 KR |
2626 | return -1; |
2627 | } | |
2628 | ||
2629 | ret = ssl_write_internal(s, buf, (size_t)num, &written); | |
2630 | ||
2631 | /* | |
2632 | * The cast is safe here because ret should be <= INT_MAX because num is | |
2633 | * <= INT_MAX | |
2634 | */ | |
2635 | if (ret > 0) | |
2636 | ret = (int)written; | |
2637 | ||
2638 | return ret; | |
2639 | } | |
2640 | ||
2641 | int SSL_write_ex(SSL *s, const void *buf, size_t num, size_t *written) | |
2642 | { | |
2643 | int ret = ssl_write_internal(s, buf, num, written); | |
2644 | ||
2645 | if (ret < 0) | |
2646 | ret = 0; | |
2647 | return ret; | |
2648 | } | |
2649 | ||
0665b4ed | 2650 | int SSL_write_early_data(SSL *s, const void *buf, size_t num, size_t *written) |
49e7fe12 | 2651 | { |
a0cb628b | 2652 | int ret, early_data_state; |
2a8db717 | 2653 | size_t writtmp; |
f7414b08 | 2654 | uint32_t partialwrite; |
38b051a1 TM |
2655 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
2656 | ||
2657 | /* TODO(QUIC): This will need special handling for QUIC */ | |
2658 | if (sc == NULL) | |
2659 | return 0; | |
49e7fe12 | 2660 | |
38b051a1 | 2661 | switch (sc->early_data_state) { |
49e7fe12 | 2662 | case SSL_EARLY_DATA_NONE: |
38b051a1 | 2663 | if (sc->server |
09f28874 | 2664 | || !SSL_in_before(s) |
38b051a1 TM |
2665 | || ((sc->session == NULL || sc->session->ext.max_early_data == 0) |
2666 | && (sc->psk_use_session_cb == NULL))) { | |
6849b73c | 2667 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
49e7fe12 MC |
2668 | return 0; |
2669 | } | |
2670 | /* fall through */ | |
2671 | ||
2672 | case SSL_EARLY_DATA_CONNECT_RETRY: | |
38b051a1 | 2673 | sc->early_data_state = SSL_EARLY_DATA_CONNECTING; |
49e7fe12 MC |
2674 | ret = SSL_connect(s); |
2675 | if (ret <= 0) { | |
2676 | /* NBIO or error */ | |
38b051a1 | 2677 | sc->early_data_state = SSL_EARLY_DATA_CONNECT_RETRY; |
49e7fe12 MC |
2678 | return 0; |
2679 | } | |
2680 | /* fall through */ | |
2681 | ||
2682 | case SSL_EARLY_DATA_WRITE_RETRY: | |
38b051a1 | 2683 | sc->early_data_state = SSL_EARLY_DATA_WRITING; |
f7414b08 MC |
2684 | /* |
2685 | * We disable partial write for early data because we don't keep track | |
2686 | * of how many bytes we've written between the SSL_write_ex() call and | |
2687 | * the flush if the flush needs to be retried) | |
2688 | */ | |
38b051a1 TM |
2689 | partialwrite = sc->mode & SSL_MODE_ENABLE_PARTIAL_WRITE; |
2690 | sc->mode &= ~SSL_MODE_ENABLE_PARTIAL_WRITE; | |
2a8db717 | 2691 | ret = SSL_write_ex(s, buf, num, &writtmp); |
38b051a1 | 2692 | sc->mode |= partialwrite; |
2a8db717 | 2693 | if (!ret) { |
38b051a1 | 2694 | sc->early_data_state = SSL_EARLY_DATA_WRITE_RETRY; |
2a8db717 MC |
2695 | return ret; |
2696 | } | |
38b051a1 | 2697 | sc->early_data_state = SSL_EARLY_DATA_WRITE_FLUSH; |
2a8db717 MC |
2698 | /* fall through */ |
2699 | ||
2700 | case SSL_EARLY_DATA_WRITE_FLUSH: | |
2701 | /* The buffering BIO is still in place so we need to flush it */ | |
38b051a1 | 2702 | if (statem_flush(sc) != 1) |
2a8db717 | 2703 | return 0; |
2a8db717 | 2704 | *written = num; |
38b051a1 | 2705 | sc->early_data_state = SSL_EARLY_DATA_WRITE_RETRY; |
2a8db717 | 2706 | return 1; |
49e7fe12 | 2707 | |
116d0da5 | 2708 | case SSL_EARLY_DATA_FINISHED_READING: |
a0cb628b | 2709 | case SSL_EARLY_DATA_READ_RETRY: |
38b051a1 | 2710 | early_data_state = sc->early_data_state; |
09f28874 | 2711 | /* We are a server writing to an unauthenticated client */ |
38b051a1 | 2712 | sc->early_data_state = SSL_EARLY_DATA_UNAUTH_WRITING; |
09f28874 | 2713 | ret = SSL_write_ex(s, buf, num, written); |
5fe37157 MC |
2714 | /* The buffering BIO is still in place */ |
2715 | if (ret) | |
38b051a1 TM |
2716 | (void)BIO_flush(sc->wbio); |
2717 | sc->early_data_state = early_data_state; | |
09f28874 MC |
2718 | return ret; |
2719 | ||
49e7fe12 | 2720 | default: |
6849b73c | 2721 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
49e7fe12 MC |
2722 | return 0; |
2723 | } | |
2724 | } | |
2725 | ||
4f43d0e7 | 2726 | int SSL_shutdown(SSL *s) |
0f113f3e MC |
2727 | { |
2728 | /* | |
2729 | * Note that this function behaves differently from what one might | |
2730 | * expect. Return values are 0 for no success (yet), 1 for success; but | |
2731 | * calling it once is usually not enough, even if blocking I/O is used | |
2732 | * (see ssl3_shutdown). | |
2733 | */ | |
38b051a1 | 2734 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
e8043229 | 2735 | |
22b1a96f HL |
2736 | #ifndef OPENSSL_NO_QUIC |
2737 | if (IS_QUIC(s)) | |
6d495cc4 | 2738 | return ossl_quic_conn_shutdown(s, 0, NULL, 0); |
e8043229 | 2739 | #endif |
0f113f3e | 2740 | |
38b051a1 TM |
2741 | if (sc == NULL) |
2742 | return -1; | |
2743 | ||
2744 | if (sc->handshake_func == NULL) { | |
6849b73c | 2745 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
0f113f3e MC |
2746 | return -1; |
2747 | } | |
2748 | ||
64f9f406 | 2749 | if (!SSL_in_init(s)) { |
38b051a1 | 2750 | if ((sc->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
64f9f406 | 2751 | struct ssl_async_args args; |
ec447924 | 2752 | |
09134f18 | 2753 | memset(&args, 0, sizeof(args)); |
64f9f406 MC |
2754 | args.s = s; |
2755 | args.type = OTHERFUNC; | |
2756 | args.f.func_other = s->method->ssl_shutdown; | |
ec447924 | 2757 | |
64f9f406 MC |
2758 | return ssl_start_async_job(s, &args, ssl_io_intern); |
2759 | } else { | |
2760 | return s->method->ssl_shutdown(s); | |
2761 | } | |
ec447924 | 2762 | } else { |
6849b73c | 2763 | ERR_raise(ERR_LIB_SSL, SSL_R_SHUTDOWN_WHILE_IN_INIT); |
64f9f406 | 2764 | return -1; |
ec447924 | 2765 | } |
0f113f3e | 2766 | } |
d02b48c6 | 2767 | |
4fbfe86a | 2768 | int SSL_key_update(SSL *s, int updatetype) |
44c04a2e | 2769 | { |
38b051a1 TM |
2770 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
2771 | ||
2525109f HL |
2772 | #ifndef OPENSSL_NO_QUIC |
2773 | if (IS_QUIC(s)) | |
2774 | return ossl_quic_key_update(s, updatetype); | |
2775 | #endif | |
2776 | ||
38b051a1 TM |
2777 | if (sc == NULL) |
2778 | return 0; | |
2779 | ||
2780 | if (!SSL_CONNECTION_IS_TLS13(sc)) { | |
6849b73c | 2781 | ERR_raise(ERR_LIB_SSL, SSL_R_WRONG_SSL_VERSION); |
44c04a2e MC |
2782 | return 0; |
2783 | } | |
2784 | ||
2785 | if (updatetype != SSL_KEY_UPDATE_NOT_REQUESTED | |
2786 | && updatetype != SSL_KEY_UPDATE_REQUESTED) { | |
6849b73c | 2787 | ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_KEY_UPDATE_TYPE); |
44c04a2e MC |
2788 | return 0; |
2789 | } | |
2790 | ||
2791 | if (!SSL_is_init_finished(s)) { | |
6849b73c | 2792 | ERR_raise(ERR_LIB_SSL, SSL_R_STILL_IN_INIT); |
44c04a2e MC |
2793 | return 0; |
2794 | } | |
2795 | ||
38b051a1 | 2796 | if (RECORD_LAYER_write_pending(&sc->rlayer)) { |
3bec4851 MC |
2797 | ERR_raise(ERR_LIB_SSL, SSL_R_BAD_WRITE_RETRY); |
2798 | return 0; | |
2799 | } | |
2800 | ||
38b051a1 TM |
2801 | ossl_statem_set_in_init(sc, 1); |
2802 | sc->key_update = updatetype; | |
44c04a2e MC |
2803 | return 1; |
2804 | } | |
2805 | ||
3499327b | 2806 | int SSL_get_key_update_type(const SSL *s) |
53d1d07d | 2807 | { |
38b051a1 TM |
2808 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
2809 | ||
2525109f HL |
2810 | #ifndef OPENSSL_NO_QUIC |
2811 | if (IS_QUIC(s)) | |
2812 | return ossl_quic_get_key_update_type(s); | |
2813 | #endif | |
2814 | ||
38b051a1 TM |
2815 | if (sc == NULL) |
2816 | return 0; | |
2817 | ||
2818 | return sc->key_update; | |
53d1d07d MC |
2819 | } |
2820 | ||
55373bfd RS |
2821 | /* |
2822 | * Can we accept a renegotiation request? If yes, set the flag and | |
2823 | * return 1 if yes. If not, raise error and return 0. | |
2824 | */ | |
38b051a1 | 2825 | static int can_renegotiate(const SSL_CONNECTION *sc) |
0f113f3e | 2826 | { |
38b051a1 | 2827 | if (SSL_CONNECTION_IS_TLS13(sc)) { |
6849b73c | 2828 | ERR_raise(ERR_LIB_SSL, SSL_R_WRONG_SSL_VERSION); |
2c0980d2 | 2829 | return 0; |
44c04a2e | 2830 | } |
cda6b998 | 2831 | |
38b051a1 | 2832 | if ((sc->options & SSL_OP_NO_RENEGOTIATION) != 0) { |
6849b73c | 2833 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_RENEGOTIATION); |
db0f35dd TS |
2834 | return 0; |
2835 | } | |
44959ee4 | 2836 | |
55373bfd RS |
2837 | return 1; |
2838 | } | |
2839 | ||
2840 | int SSL_renegotiate(SSL *s) | |
2841 | { | |
38b051a1 TM |
2842 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
2843 | ||
2844 | if (sc == NULL) | |
55373bfd RS |
2845 | return 0; |
2846 | ||
38b051a1 TM |
2847 | if (!can_renegotiate(sc)) |
2848 | return 0; | |
2849 | ||
2850 | sc->renegotiate = 1; | |
2851 | sc->new_session = 1; | |
26a7d938 | 2852 | return s->method->ssl_renegotiate(s); |
0f113f3e | 2853 | } |
d02b48c6 | 2854 | |
44959ee4 | 2855 | int SSL_renegotiate_abbreviated(SSL *s) |
0f113f3e | 2856 | { |
38b051a1 TM |
2857 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
2858 | ||
2859 | if (sc == NULL) | |
2860 | return 0; | |
2861 | ||
2862 | if (!can_renegotiate(sc)) | |
2c0980d2 | 2863 | return 0; |
c519e89f | 2864 | |
38b051a1 TM |
2865 | sc->renegotiate = 1; |
2866 | sc->new_session = 0; | |
26a7d938 | 2867 | return s->method->ssl_renegotiate(s); |
0f113f3e | 2868 | } |
44959ee4 | 2869 | |
3499327b | 2870 | int SSL_renegotiate_pending(const SSL *s) |
0f113f3e | 2871 | { |
38b051a1 TM |
2872 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
2873 | ||
2874 | if (sc == NULL) | |
2875 | return 0; | |
2876 | ||
0f113f3e MC |
2877 | /* |
2878 | * becomes true when negotiation is requested; false again once a | |
2879 | * handshake has finished | |
2880 | */ | |
38b051a1 | 2881 | return (sc->renegotiate != 0); |
0f113f3e MC |
2882 | } |
2883 | ||
3bfacb5f BK |
2884 | int SSL_new_session_ticket(SSL *s) |
2885 | { | |
38b051a1 TM |
2886 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
2887 | ||
2888 | if (sc == NULL) | |
2889 | return 0; | |
2890 | ||
7c73fefe | 2891 | /* If we are in init because we're sending tickets, okay to send more. */ |
38b051a1 TM |
2892 | if ((SSL_in_init(s) && sc->ext.extra_tickets_expected == 0) |
2893 | || SSL_IS_FIRST_HANDSHAKE(sc) || !sc->server | |
2894 | || !SSL_CONNECTION_IS_TLS13(sc)) | |
35774d55 | 2895 | return 0; |
38b051a1 TM |
2896 | sc->ext.extra_tickets_expected++; |
2897 | if (!RECORD_LAYER_write_pending(&sc->rlayer) && !SSL_in_init(s)) | |
2898 | ossl_statem_set_in_init(sc, 1); | |
35774d55 | 2899 | return 1; |
3bfacb5f BK |
2900 | } |
2901 | ||
0f113f3e MC |
2902 | long SSL_ctrl(SSL *s, int cmd, long larg, void *parg) |
2903 | { | |
2904 | long l; | |
38b051a1 TM |
2905 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
2906 | ||
2907 | /* TODO(QUIC): Special handling for some ctrls will be needed */ | |
2908 | if (sc == NULL) | |
2909 | return 0; | |
0f113f3e MC |
2910 | |
2911 | switch (cmd) { | |
2912 | case SSL_CTRL_GET_READ_AHEAD: | |
d6e7ebba | 2913 | if (IS_QUIC(s)) |
d0638fd5 | 2914 | return 0; |
38b051a1 | 2915 | return RECORD_LAYER_get_read_ahead(&sc->rlayer); |
0f113f3e | 2916 | case SSL_CTRL_SET_READ_AHEAD: |
d6e7ebba | 2917 | if (IS_QUIC(s)) |
d0638fd5 | 2918 | return 0; |
38b051a1 TM |
2919 | l = RECORD_LAYER_get_read_ahead(&sc->rlayer); |
2920 | RECORD_LAYER_set_read_ahead(&sc->rlayer, larg); | |
26a7d938 | 2921 | return l; |
0f113f3e | 2922 | |
0f113f3e | 2923 | case SSL_CTRL_MODE: |
4566dae7 MC |
2924 | { |
2925 | OSSL_PARAM options[2], *opts = options; | |
2926 | ||
2927 | sc->mode |= larg; | |
2928 | ||
2929 | *opts++ = OSSL_PARAM_construct_uint32(OSSL_LIBSSL_RECORD_LAYER_PARAM_MODE, | |
2930 | &sc->mode); | |
2931 | *opts = OSSL_PARAM_construct_end(); | |
2932 | ||
2933 | /* Ignore return value */ | |
2934 | sc->rlayer.rrlmethod->set_options(sc->rlayer.rrl, options); | |
2935 | ||
2936 | return sc->mode; | |
2937 | } | |
0f113f3e | 2938 | case SSL_CTRL_CLEAR_MODE: |
38b051a1 | 2939 | return (sc->mode &= ~larg); |
0f113f3e | 2940 | case SSL_CTRL_GET_MAX_CERT_LIST: |
38b051a1 | 2941 | return (long)sc->max_cert_list; |
0f113f3e | 2942 | case SSL_CTRL_SET_MAX_CERT_LIST: |
348240c6 MC |
2943 | if (larg < 0) |
2944 | return 0; | |
38b051a1 TM |
2945 | l = (long)sc->max_cert_list; |
2946 | sc->max_cert_list = (size_t)larg; | |
348240c6 | 2947 | return l; |
0f113f3e | 2948 | case SSL_CTRL_SET_MAX_SEND_FRAGMENT: |
d6e7ebba | 2949 | if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH || IS_QUIC(s)) |
0f113f3e | 2950 | return 0; |
50ec7505 | 2951 | #ifndef OPENSSL_NO_KTLS |
38b051a1 | 2952 | if (sc->wbio != NULL && BIO_get_ktls_send(sc->wbio)) |
50ec7505 BP |
2953 | return 0; |
2954 | #endif /* OPENSSL_NO_KTLS */ | |
38b051a1 TM |
2955 | sc->max_send_fragment = larg; |
2956 | if (sc->max_send_fragment < sc->split_send_fragment) | |
2957 | sc->split_send_fragment = sc->max_send_fragment; | |
435d88d7 | 2958 | sc->rlayer.wrlmethod->set_max_frag_len(sc->rlayer.wrl, larg); |
d102d9df MC |
2959 | return 1; |
2960 | case SSL_CTRL_SET_SPLIT_SEND_FRAGMENT: | |
d6e7ebba | 2961 | if ((size_t)larg > sc->max_send_fragment || larg == 0 || IS_QUIC(s)) |
d102d9df | 2962 | return 0; |
38b051a1 | 2963 | sc->split_send_fragment = larg; |
0f113f3e | 2964 | return 1; |
d102d9df | 2965 | case SSL_CTRL_SET_MAX_PIPELINES: |
d6e7ebba | 2966 | if (larg < 1 || larg > SSL_MAX_PIPELINES || IS_QUIC(s)) |
d102d9df | 2967 | return 0; |
38b051a1 | 2968 | sc->max_pipelines = larg; |
cffafb5f MC |
2969 | if (sc->rlayer.rrlmethod->set_max_pipelines != NULL) |
2970 | sc->rlayer.rrlmethod->set_max_pipelines(sc->rlayer.rrl, (size_t)larg); | |
07077415 | 2971 | return 1; |
0f113f3e | 2972 | case SSL_CTRL_GET_RI_SUPPORT: |
38b051a1 | 2973 | return sc->s3.send_connection_binding; |
dfb39f73 | 2974 | case SSL_CTRL_SET_RETRY_VERIFY: |
38b051a1 | 2975 | sc->rwstate = SSL_RETRY_VERIFY; |
dfb39f73 | 2976 | return 1; |
0f113f3e | 2977 | case SSL_CTRL_CERT_FLAGS: |
38b051a1 | 2978 | return (sc->cert->cert_flags |= larg); |
0f113f3e | 2979 | case SSL_CTRL_CLEAR_CERT_FLAGS: |
38b051a1 | 2980 | return (sc->cert->cert_flags &= ~larg); |
0f113f3e MC |
2981 | |
2982 | case SSL_CTRL_GET_RAW_CIPHERLIST: | |
2983 | if (parg) { | |
38b051a1 | 2984 | if (sc->s3.tmp.ciphers_raw == NULL) |
0f113f3e | 2985 | return 0; |
38b051a1 TM |
2986 | *(unsigned char **)parg = sc->s3.tmp.ciphers_raw; |
2987 | return (int)sc->s3.tmp.ciphers_rawlen; | |
e9fa092e EK |
2988 | } else { |
2989 | return TLS_CIPHER_LEN; | |
2990 | } | |
c5364614 | 2991 | case SSL_CTRL_GET_EXTMS_SUPPORT: |
38b051a1 | 2992 | if (!sc->session || SSL_in_init(s) || ossl_statem_get_in_handshake(sc)) |
a230b26e | 2993 | return -1; |
38b051a1 | 2994 | if (sc->session->flags & SSL_SESS_FLAG_EXTMS) |
c5364614 DSH |
2995 | return 1; |
2996 | else | |
2997 | return 0; | |
7946ab33 | 2998 | case SSL_CTRL_SET_MIN_PROTO_VERSION: |
d6e7ebba | 2999 | return ssl_check_allowed_versions(larg, sc->max_proto_version) |
a7f41885 | 3000 | && ssl_set_version_bound(s->defltmeth->version, (int)larg, |
38b051a1 | 3001 | &sc->min_proto_version); |
3edabd3c | 3002 | case SSL_CTRL_GET_MIN_PROTO_VERSION: |
38b051a1 | 3003 | return sc->min_proto_version; |
7946ab33 | 3004 | case SSL_CTRL_SET_MAX_PROTO_VERSION: |
d6e7ebba | 3005 | return ssl_check_allowed_versions(sc->min_proto_version, larg) |
a7f41885 | 3006 | && ssl_set_version_bound(s->defltmeth->version, (int)larg, |
38b051a1 | 3007 | &sc->max_proto_version); |
3edabd3c | 3008 | case SSL_CTRL_GET_MAX_PROTO_VERSION: |
38b051a1 | 3009 | return sc->max_proto_version; |
0f113f3e | 3010 | default: |
26a7d938 | 3011 | return s->method->ssl_ctrl(s, cmd, larg, parg); |
0f113f3e MC |
3012 | } |
3013 | } | |
3014 | ||
3015 | long SSL_callback_ctrl(SSL *s, int cmd, void (*fp) (void)) | |
3016 | { | |
63dfde87 | 3017 | return s->method->ssl_callback_ctrl(s, cmd, fp); |
0f113f3e | 3018 | } |
d3442bc7 | 3019 | |
3c1d6bbc | 3020 | LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx) |
0f113f3e MC |
3021 | { |
3022 | return ctx->sessions; | |
3023 | } | |
3024 | ||
acce0557 P |
3025 | static int ssl_tsan_load(SSL_CTX *ctx, TSAN_QUALIFIER int *stat) |
3026 | { | |
3027 | int res = 0; | |
3028 | ||
3029 | if (ssl_tsan_lock(ctx)) { | |
3030 | res = tsan_load(stat); | |
3031 | ssl_tsan_unlock(ctx); | |
3032 | } | |
3033 | return res; | |
3034 | } | |
3035 | ||
0f113f3e MC |
3036 | long SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg) |
3037 | { | |
3038 | long l; | |
3039 | /* For some cases with ctx == NULL perform syntax checks */ | |
3040 | if (ctx == NULL) { | |
3041 | switch (cmd) { | |
de4d764e | 3042 | case SSL_CTRL_SET_GROUPS_LIST: |
260009d8 | 3043 | return tls1_set_groups_list(ctx, NULL, NULL, parg); |
0f113f3e MC |
3044 | case SSL_CTRL_SET_SIGALGS_LIST: |
3045 | case SSL_CTRL_SET_CLIENT_SIGALGS_LIST: | |
3046 | return tls1_set_sigalgs_list(NULL, parg, 0); | |
3047 | default: | |
3048 | return 0; | |
3049 | } | |
3050 | } | |
3051 | ||
3052 | switch (cmd) { | |
3053 | case SSL_CTRL_GET_READ_AHEAD: | |
26a7d938 | 3054 | return ctx->read_ahead; |
0f113f3e MC |
3055 | case SSL_CTRL_SET_READ_AHEAD: |
3056 | l = ctx->read_ahead; | |
3057 | ctx->read_ahead = larg; | |
26a7d938 | 3058 | return l; |
0f113f3e MC |
3059 | |
3060 | case SSL_CTRL_SET_MSG_CALLBACK_ARG: | |
3061 | ctx->msg_callback_arg = parg; | |
3062 | return 1; | |
3063 | ||
3064 | case SSL_CTRL_GET_MAX_CERT_LIST: | |
26a7d938 | 3065 | return (long)ctx->max_cert_list; |
0f113f3e | 3066 | case SSL_CTRL_SET_MAX_CERT_LIST: |
348240c6 MC |
3067 | if (larg < 0) |
3068 | return 0; | |
3069 | l = (long)ctx->max_cert_list; | |
3070 | ctx->max_cert_list = (size_t)larg; | |
3071 | return l; | |
0f113f3e MC |
3072 | |
3073 | case SSL_CTRL_SET_SESS_CACHE_SIZE: | |
348240c6 MC |
3074 | if (larg < 0) |
3075 | return 0; | |
3076 | l = (long)ctx->session_cache_size; | |
3077 | ctx->session_cache_size = (size_t)larg; | |
3078 | return l; | |
0f113f3e | 3079 | case SSL_CTRL_GET_SESS_CACHE_SIZE: |
26a7d938 | 3080 | return (long)ctx->session_cache_size; |
0f113f3e MC |
3081 | case SSL_CTRL_SET_SESS_CACHE_MODE: |
3082 | l = ctx->session_cache_mode; | |
3083 | ctx->session_cache_mode = larg; | |
26a7d938 | 3084 | return l; |
0f113f3e | 3085 | case SSL_CTRL_GET_SESS_CACHE_MODE: |
26a7d938 | 3086 | return ctx->session_cache_mode; |
0f113f3e MC |
3087 | |
3088 | case SSL_CTRL_SESS_NUMBER: | |
26a7d938 | 3089 | return lh_SSL_SESSION_num_items(ctx->sessions); |
0f113f3e | 3090 | case SSL_CTRL_SESS_CONNECT: |
acce0557 | 3091 | return ssl_tsan_load(ctx, &ctx->stats.sess_connect); |
0f113f3e | 3092 | case SSL_CTRL_SESS_CONNECT_GOOD: |
acce0557 | 3093 | return ssl_tsan_load(ctx, &ctx->stats.sess_connect_good); |
0f113f3e | 3094 | case SSL_CTRL_SESS_CONNECT_RENEGOTIATE: |
acce0557 | 3095 | return ssl_tsan_load(ctx, &ctx->stats.sess_connect_renegotiate); |
0f113f3e | 3096 | case SSL_CTRL_SESS_ACCEPT: |
acce0557 | 3097 | return ssl_tsan_load(ctx, &ctx->stats.sess_accept); |
0f113f3e | 3098 | case SSL_CTRL_SESS_ACCEPT_GOOD: |
acce0557 | 3099 | return ssl_tsan_load(ctx, &ctx->stats.sess_accept_good); |
0f113f3e | 3100 | case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE: |
acce0557 | 3101 | return ssl_tsan_load(ctx, &ctx->stats.sess_accept_renegotiate); |
0f113f3e | 3102 | case SSL_CTRL_SESS_HIT: |
acce0557 | 3103 | return ssl_tsan_load(ctx, &ctx->stats.sess_hit); |
0f113f3e | 3104 | case SSL_CTRL_SESS_CB_HIT: |
acce0557 | 3105 | return ssl_tsan_load(ctx, &ctx->stats.sess_cb_hit); |
0f113f3e | 3106 | case SSL_CTRL_SESS_MISSES: |
acce0557 | 3107 | return ssl_tsan_load(ctx, &ctx->stats.sess_miss); |
0f113f3e | 3108 | case SSL_CTRL_SESS_TIMEOUTS: |
acce0557 | 3109 | return ssl_tsan_load(ctx, &ctx->stats.sess_timeout); |
0f113f3e | 3110 | case SSL_CTRL_SESS_CACHE_FULL: |
acce0557 | 3111 | return ssl_tsan_load(ctx, &ctx->stats.sess_cache_full); |
0f113f3e MC |
3112 | case SSL_CTRL_MODE: |
3113 | return (ctx->mode |= larg); | |
3114 | case SSL_CTRL_CLEAR_MODE: | |
3115 | return (ctx->mode &= ~larg); | |
3116 | case SSL_CTRL_SET_MAX_SEND_FRAGMENT: | |
3117 | if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH) | |
3118 | return 0; | |
3119 | ctx->max_send_fragment = larg; | |
d102d9df | 3120 | if (ctx->max_send_fragment < ctx->split_send_fragment) |
bfb155c1 | 3121 | ctx->split_send_fragment = ctx->max_send_fragment; |
0f113f3e | 3122 | return 1; |
d102d9df | 3123 | case SSL_CTRL_SET_SPLIT_SEND_FRAGMENT: |
7ee8627f | 3124 | if ((size_t)larg > ctx->max_send_fragment || larg == 0) |
d102d9df MC |
3125 | return 0; |
3126 | ctx->split_send_fragment = larg; | |
3127 | return 1; | |
3128 | case SSL_CTRL_SET_MAX_PIPELINES: | |
3129 | if (larg < 1 || larg > SSL_MAX_PIPELINES) | |
3130 | return 0; | |
3131 | ctx->max_pipelines = larg; | |
07077415 | 3132 | return 1; |
0f113f3e MC |
3133 | case SSL_CTRL_CERT_FLAGS: |
3134 | return (ctx->cert->cert_flags |= larg); | |
3135 | case SSL_CTRL_CLEAR_CERT_FLAGS: | |
3136 | return (ctx->cert->cert_flags &= ~larg); | |
7946ab33 | 3137 | case SSL_CTRL_SET_MIN_PROTO_VERSION: |
d6e7ebba | 3138 | return ssl_check_allowed_versions(larg, ctx->max_proto_version) |
c8feba72 BK |
3139 | && ssl_set_version_bound(ctx->method->version, (int)larg, |
3140 | &ctx->min_proto_version); | |
3edabd3c CH |
3141 | case SSL_CTRL_GET_MIN_PROTO_VERSION: |
3142 | return ctx->min_proto_version; | |
7946ab33 | 3143 | case SSL_CTRL_SET_MAX_PROTO_VERSION: |
d6e7ebba | 3144 | return ssl_check_allowed_versions(ctx->min_proto_version, larg) |
c8feba72 BK |
3145 | && ssl_set_version_bound(ctx->method->version, (int)larg, |
3146 | &ctx->max_proto_version); | |
3edabd3c CH |
3147 | case SSL_CTRL_GET_MAX_PROTO_VERSION: |
3148 | return ctx->max_proto_version; | |
0f113f3e | 3149 | default: |
26a7d938 | 3150 | return ctx->method->ssl_ctx_ctrl(ctx, cmd, larg, parg); |
0f113f3e MC |
3151 | } |
3152 | } | |
3153 | ||
3154 | long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp) (void)) | |
3155 | { | |
3156 | switch (cmd) { | |
3157 | case SSL_CTRL_SET_MSG_CALLBACK: | |
3158 | ctx->msg_callback = (void (*) | |
3159 | (int write_p, int version, int content_type, | |
3160 | const void *buf, size_t len, SSL *ssl, | |
3161 | void *arg))(fp); | |
3162 | return 1; | |
3163 | ||
3164 | default: | |
26a7d938 | 3165 | return ctx->method->ssl_ctx_callback_ctrl(ctx, cmd, fp); |
0f113f3e MC |
3166 | } |
3167 | } | |
d3442bc7 | 3168 | |
ccd86b68 | 3169 | int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b) |
0f113f3e | 3170 | { |
90d9e49a DSH |
3171 | if (a->id > b->id) |
3172 | return 1; | |
3173 | if (a->id < b->id) | |
3174 | return -1; | |
3175 | return 0; | |
0f113f3e MC |
3176 | } |
3177 | ||
3178 | int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, | |
3179 | const SSL_CIPHER *const *bp) | |
3180 | { | |
90d9e49a DSH |
3181 | if ((*ap)->id > (*bp)->id) |
3182 | return 1; | |
3183 | if ((*ap)->id < (*bp)->id) | |
3184 | return -1; | |
3185 | return 0; | |
0f113f3e | 3186 | } |
d02b48c6 | 3187 | |
38b051a1 TM |
3188 | /* |
3189 | * return a STACK of the ciphers available for the SSL and in order of | |
3190 | * preference | |
3191 | */ | |
0821bcd4 | 3192 | STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s) |
0f113f3e | 3193 | { |
38b051a1 TM |
3194 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
3195 | ||
3196 | if (sc != NULL) { | |
3197 | if (sc->cipher_list != NULL) { | |
3198 | return sc->cipher_list; | |
0f113f3e | 3199 | } else if ((s->ctx != NULL) && (s->ctx->cipher_list != NULL)) { |
26a7d938 | 3200 | return s->ctx->cipher_list; |
0f113f3e MC |
3201 | } |
3202 | } | |
26a7d938 | 3203 | return NULL; |
0f113f3e MC |
3204 | } |
3205 | ||
831eef2c NM |
3206 | STACK_OF(SSL_CIPHER) *SSL_get_client_ciphers(const SSL *s) |
3207 | { | |
38b051a1 TM |
3208 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
3209 | ||
3210 | if (sc == NULL || !sc->server) | |
831eef2c | 3211 | return NULL; |
38b051a1 | 3212 | return sc->peer_ciphers; |
831eef2c NM |
3213 | } |
3214 | ||
8b8e5bed | 3215 | STACK_OF(SSL_CIPHER) *SSL_get1_supported_ciphers(SSL *s) |
0f113f3e MC |
3216 | { |
3217 | STACK_OF(SSL_CIPHER) *sk = NULL, *ciphers; | |
3218 | int i; | |
38b051a1 TM |
3219 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
3220 | ||
3221 | if (sc == NULL) | |
3222 | return NULL; | |
1d0c08b4 | 3223 | |
0f113f3e MC |
3224 | ciphers = SSL_get_ciphers(s); |
3225 | if (!ciphers) | |
3226 | return NULL; | |
38b051a1 | 3227 | if (!ssl_set_client_disabled(sc)) |
1d0c08b4 | 3228 | return NULL; |
0f113f3e MC |
3229 | for (i = 0; i < sk_SSL_CIPHER_num(ciphers); i++) { |
3230 | const SSL_CIPHER *c = sk_SSL_CIPHER_value(ciphers, i); | |
38b051a1 | 3231 | if (!ssl_cipher_disabled(sc, c, SSL_SECOP_CIPHER_SUPPORTED, 0)) { |
0f113f3e MC |
3232 | if (!sk) |
3233 | sk = sk_SSL_CIPHER_new_null(); | |
3234 | if (!sk) | |
3235 | return NULL; | |
3236 | if (!sk_SSL_CIPHER_push(sk, c)) { | |
3237 | sk_SSL_CIPHER_free(sk); | |
3238 | return NULL; | |
3239 | } | |
3240 | } | |
3241 | } | |
3242 | return sk; | |
3243 | } | |
8b8e5bed | 3244 | |
4f43d0e7 | 3245 | /** return a STACK of the ciphers available for the SSL and in order of |
d02b48c6 | 3246 | * algorithm id */ |
38b051a1 | 3247 | STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL_CONNECTION *s) |
0f113f3e MC |
3248 | { |
3249 | if (s != NULL) { | |
38b051a1 | 3250 | if (s->cipher_list_by_id != NULL) |
26a7d938 | 3251 | return s->cipher_list_by_id; |
38b051a1 TM |
3252 | else if (s->ssl.ctx != NULL |
3253 | && s->ssl.ctx->cipher_list_by_id != NULL) | |
3254 | return s->ssl.ctx->cipher_list_by_id; | |
0f113f3e | 3255 | } |
26a7d938 | 3256 | return NULL; |
0f113f3e | 3257 | } |
d02b48c6 | 3258 | |
4f43d0e7 | 3259 | /** The old interface to get the same thing as SSL_get_ciphers() */ |
0f113f3e MC |
3260 | const char *SSL_get_cipher_list(const SSL *s, int n) |
3261 | { | |
4a640fb6 | 3262 | const SSL_CIPHER *c; |
0f113f3e MC |
3263 | STACK_OF(SSL_CIPHER) *sk; |
3264 | ||
3265 | if (s == NULL) | |
26a7d938 | 3266 | return NULL; |
0f113f3e MC |
3267 | sk = SSL_get_ciphers(s); |
3268 | if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n)) | |
26a7d938 | 3269 | return NULL; |
0f113f3e MC |
3270 | c = sk_SSL_CIPHER_value(sk, n); |
3271 | if (c == NULL) | |
26a7d938 K |
3272 | return NULL; |
3273 | return c->name; | |
0f113f3e | 3274 | } |
d02b48c6 | 3275 | |
9d5ac953 KY |
3276 | /** return a STACK of the ciphers available for the SSL_CTX and in order of |
3277 | * preference */ | |
3278 | STACK_OF(SSL_CIPHER) *SSL_CTX_get_ciphers(const SSL_CTX *ctx) | |
3279 | { | |
3280 | if (ctx != NULL) | |
3281 | return ctx->cipher_list; | |
3282 | return NULL; | |
3283 | } | |
3284 | ||
3c83c5ba SR |
3285 | /* |
3286 | * Distinguish between ciphers controlled by set_ciphersuite() and | |
3287 | * set_cipher_list() when counting. | |
3288 | */ | |
3289 | static int cipher_list_tls12_num(STACK_OF(SSL_CIPHER) *sk) | |
3290 | { | |
3291 | int i, num = 0; | |
3292 | const SSL_CIPHER *c; | |
3293 | ||
3294 | if (sk == NULL) | |
3295 | return 0; | |
3296 | for (i = 0; i < sk_SSL_CIPHER_num(sk); ++i) { | |
3297 | c = sk_SSL_CIPHER_value(sk, i); | |
3298 | if (c->min_tls >= TLS1_3_VERSION) | |
3299 | continue; | |
3300 | num++; | |
3301 | } | |
3302 | return num; | |
3303 | } | |
3304 | ||
25f923dd | 3305 | /** specify the ciphers to be used by default by the SSL_CTX */ |
018e57c7 | 3306 | int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str) |
0f113f3e MC |
3307 | { |
3308 | STACK_OF(SSL_CIPHER) *sk; | |
3309 | ||
a68eee67 | 3310 | sk = ssl_create_cipher_list(ctx, ctx->tls13_ciphersuites, |
f865b081 MC |
3311 | &ctx->cipher_list, &ctx->cipher_list_by_id, str, |
3312 | ctx->cert); | |
0f113f3e MC |
3313 | /* |
3314 | * ssl_create_cipher_list may return an empty stack if it was unable to | |
3315 | * find a cipher matching the given rule string (for example if the rule | |
3316 | * string specifies a cipher which has been disabled). This is not an | |
3317 | * error as far as ssl_create_cipher_list is concerned, and hence | |
3318 | * ctx->cipher_list and ctx->cipher_list_by_id has been updated. | |
3319 | */ | |
3320 | if (sk == NULL) | |
3321 | return 0; | |
3c83c5ba | 3322 | else if (cipher_list_tls12_num(sk) == 0) { |
6849b73c | 3323 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_CIPHER_MATCH); |
0f113f3e MC |
3324 | return 0; |
3325 | } | |
3326 | return 1; | |
3327 | } | |
d02b48c6 | 3328 | |
4f43d0e7 | 3329 | /** specify the ciphers to be used by the SSL */ |
0f113f3e MC |
3330 | int SSL_set_cipher_list(SSL *s, const char *str) |
3331 | { | |
3332 | STACK_OF(SSL_CIPHER) *sk; | |
38b051a1 | 3333 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
0f113f3e | 3334 | |
38b051a1 TM |
3335 | if (sc == NULL) |
3336 | return 0; | |
3337 | ||
3338 | sk = ssl_create_cipher_list(s->ctx, sc->tls13_ciphersuites, | |
3339 | &sc->cipher_list, &sc->cipher_list_by_id, str, | |
3340 | sc->cert); | |
0f113f3e MC |
3341 | /* see comment in SSL_CTX_set_cipher_list */ |
3342 | if (sk == NULL) | |
3343 | return 0; | |
3c83c5ba | 3344 | else if (cipher_list_tls12_num(sk) == 0) { |
6849b73c | 3345 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_CIPHER_MATCH); |
0f113f3e MC |
3346 | return 0; |
3347 | } | |
3348 | return 1; | |
3349 | } | |
d02b48c6 | 3350 | |
a216df59 | 3351 | char *SSL_get_shared_ciphers(const SSL *s, char *buf, int size) |
0f113f3e MC |
3352 | { |
3353 | char *p; | |
a216df59 | 3354 | STACK_OF(SSL_CIPHER) *clntsk, *srvrsk; |
4a640fb6 | 3355 | const SSL_CIPHER *c; |
0f113f3e | 3356 | int i; |
38b051a1 TM |
3357 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
3358 | ||
3359 | if (sc == NULL) | |
3360 | return NULL; | |
0f113f3e | 3361 | |
38b051a1 TM |
3362 | if (!sc->server |
3363 | || sc->peer_ciphers == NULL | |
a216df59 | 3364 | || size < 2) |
26a7d938 | 3365 | return NULL; |
0f113f3e MC |
3366 | |
3367 | p = buf; | |
38b051a1 | 3368 | clntsk = sc->peer_ciphers; |
a216df59 MC |
3369 | srvrsk = SSL_get_ciphers(s); |
3370 | if (clntsk == NULL || srvrsk == NULL) | |
3371 | return NULL; | |
0f113f3e | 3372 | |
a216df59 | 3373 | if (sk_SSL_CIPHER_num(clntsk) == 0 || sk_SSL_CIPHER_num(srvrsk) == 0) |
0f113f3e MC |
3374 | return NULL; |
3375 | ||
a216df59 | 3376 | for (i = 0; i < sk_SSL_CIPHER_num(clntsk); i++) { |
0f113f3e MC |
3377 | int n; |
3378 | ||
a216df59 MC |
3379 | c = sk_SSL_CIPHER_value(clntsk, i); |
3380 | if (sk_SSL_CIPHER_find(srvrsk, c) < 0) | |
3381 | continue; | |
3382 | ||
0f113f3e | 3383 | n = strlen(c->name); |
a216df59 | 3384 | if (n + 1 > size) { |
0f113f3e MC |
3385 | if (p != buf) |
3386 | --p; | |
3387 | *p = '\0'; | |
3388 | return buf; | |
3389 | } | |
4cacc9d5 | 3390 | strcpy(p, c->name); |
0f113f3e MC |
3391 | p += n; |
3392 | *(p++) = ':'; | |
a216df59 | 3393 | size -= n + 1; |
0f113f3e MC |
3394 | } |
3395 | p[-1] = '\0'; | |
26a7d938 | 3396 | return buf; |
0f113f3e MC |
3397 | } |
3398 | ||
7955c1f1 MC |
3399 | /** |
3400 | * Return the requested servername (SNI) value. Note that the behaviour varies | |
3401 | * depending on: | |
3402 | * - whether this is called by the client or the server, | |
3403 | * - if we are before or during/after the handshake, | |
3404 | * - if a resumption or normal handshake is being attempted/has occurred | |
3405 | * - whether we have negotiated TLSv1.2 (or below) or TLSv1.3 | |
38b051a1 | 3406 | * |
7955c1f1 | 3407 | * Note that only the host_name type is defined (RFC 3546). |
ed3883d2 | 3408 | */ |
f1fd4544 | 3409 | const char *SSL_get_servername(const SSL *s, const int type) |
0f113f3e | 3410 | { |
38b051a1 TM |
3411 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
3412 | int server; | |
3413 | ||
3414 | if (sc == NULL) | |
3415 | return NULL; | |
3416 | ||
7955c1f1 MC |
3417 | /* |
3418 | * If we don't know if we are the client or the server yet then we assume | |
3419 | * client. | |
3420 | */ | |
38b051a1 TM |
3421 | server = sc->handshake_func == NULL ? 0 : sc->server; |
3422 | ||
0f113f3e MC |
3423 | if (type != TLSEXT_NAMETYPE_host_name) |
3424 | return NULL; | |
a13c20f6 | 3425 | |
7955c1f1 MC |
3426 | if (server) { |
3427 | /** | |
3428 | * Server side | |
3429 | * In TLSv1.3 on the server SNI is not associated with the session | |
3430 | * but in TLSv1.2 or below it is. | |
3431 | * | |
3432 | * Before the handshake: | |
3433 | * - return NULL | |
3434 | * | |
3435 | * During/after the handshake (TLSv1.2 or below resumption occurred): | |
3436 | * - If a servername was accepted by the server in the original | |
3437 | * handshake then it will return that servername, or NULL otherwise. | |
3438 | * | |
3439 | * During/after the handshake (TLSv1.2 or below resumption did not occur): | |
3440 | * - The function will return the servername requested by the client in | |
3441 | * this handshake or NULL if none was requested. | |
3442 | */ | |
38b051a1 TM |
3443 | if (sc->hit && !SSL_CONNECTION_IS_TLS13(sc)) |
3444 | return sc->session->ext.hostname; | |
7955c1f1 MC |
3445 | } else { |
3446 | /** | |
3447 | * Client side | |
3448 | * | |
3449 | * Before the handshake: | |
3450 | * - If a servername has been set via a call to | |
3451 | * SSL_set_tlsext_host_name() then it will return that servername | |
3452 | * - If one has not been set, but a TLSv1.2 resumption is being | |
3453 | * attempted and the session from the original handshake had a | |
3454 | * servername accepted by the server then it will return that | |
3455 | * servername | |
3456 | * - Otherwise it returns NULL | |
3457 | * | |
3458 | * During/after the handshake (TLSv1.2 or below resumption occurred): | |
9f7505ab | 3459 | * - If the session from the original handshake had a servername accepted |
7955c1f1 MC |
3460 | * by the server then it will return that servername. |
3461 | * - Otherwise it returns the servername set via | |
3462 | * SSL_set_tlsext_host_name() (or NULL if it was not called). | |
3463 | * | |
3464 | * During/after the handshake (TLSv1.2 or below resumption did not occur): | |
3465 | * - It will return the servername set via SSL_set_tlsext_host_name() | |
3466 | * (or NULL if it was not called). | |
3467 | */ | |
3468 | if (SSL_in_before(s)) { | |
38b051a1 TM |
3469 | if (sc->ext.hostname == NULL |
3470 | && sc->session != NULL | |
3471 | && sc->session->ssl_version != TLS1_3_VERSION) | |
3472 | return sc->session->ext.hostname; | |
7955c1f1 | 3473 | } else { |
38b051a1 TM |
3474 | if (!SSL_CONNECTION_IS_TLS13(sc) && sc->hit |
3475 | && sc->session->ext.hostname != NULL) | |
3476 | return sc->session->ext.hostname; | |
7955c1f1 MC |
3477 | } |
3478 | } | |
3479 | ||
38b051a1 | 3480 | return sc->ext.hostname; |
0f113f3e | 3481 | } |
ed3883d2 | 3482 | |
f1fd4544 | 3483 | int SSL_get_servername_type(const SSL *s) |
0f113f3e | 3484 | { |
7955c1f1 | 3485 | if (SSL_get_servername(s, TLSEXT_NAMETYPE_host_name) != NULL) |
0f113f3e MC |
3486 | return TLSEXT_NAMETYPE_host_name; |
3487 | return -1; | |
3488 | } | |
ee2ffc27 | 3489 | |
0f113f3e MC |
3490 | /* |
3491 | * SSL_select_next_proto implements the standard protocol selection. It is | |
ee2ffc27 | 3492 | * expected that this function is called from the callback set by |
0f113f3e MC |
3493 | * SSL_CTX_set_next_proto_select_cb. The protocol data is assumed to be a |
3494 | * vector of 8-bit, length prefixed byte strings. The length byte itself is | |
3495 | * not included in the length. A byte string of length 0 is invalid. No byte | |
3496 | * string may be truncated. The current, but experimental algorithm for | |
3497 | * selecting the protocol is: 1) If the server doesn't support NPN then this | |
3498 | * is indicated to the callback. In this case, the client application has to | |
3499 | * abort the connection or have a default application level protocol. 2) If | |
3500 | * the server supports NPN, but advertises an empty list then the client | |
f430ba31 | 3501 | * selects the first protocol in its list, but indicates via the API that this |
0f113f3e MC |
3502 | * fallback case was enacted. 3) Otherwise, the client finds the first |
3503 | * protocol in the server's list that it supports and selects this protocol. | |
3504 | * This is because it's assumed that the server has better information about | |
3505 | * which protocol a client should use. 4) If the client doesn't support any | |
3506 | * of the server's advertised protocols, then this is treated the same as | |
3507 | * case 2. It returns either OPENSSL_NPN_NEGOTIATED if a common protocol was | |
3508 | * found, or OPENSSL_NPN_NO_OVERLAP if the fallback case was reached. | |
ee2ffc27 | 3509 | */ |
0f113f3e MC |
3510 | int SSL_select_next_proto(unsigned char **out, unsigned char *outlen, |
3511 | const unsigned char *server, | |
3512 | unsigned int server_len, | |
a230b26e | 3513 | const unsigned char *client, unsigned int client_len) |
0f113f3e MC |
3514 | { |
3515 | unsigned int i, j; | |
3516 | const unsigned char *result; | |
3517 | int status = OPENSSL_NPN_UNSUPPORTED; | |
3518 | ||
3519 | /* | |
3520 | * For each protocol in server preference order, see if we support it. | |
3521 | */ | |
3522 | for (i = 0; i < server_len;) { | |
3523 | for (j = 0; j < client_len;) { | |
3524 | if (server[i] == client[j] && | |
3525 | memcmp(&server[i + 1], &client[j + 1], server[i]) == 0) { | |
3526 | /* We found a match */ | |
3527 | result = &server[i]; | |
3528 | status = OPENSSL_NPN_NEGOTIATED; | |
3529 | goto found; | |
3530 | } | |
3531 | j += client[j]; | |
3532 | j++; | |
3533 | } | |
3534 | i += server[i]; | |
3535 | i++; | |
3536 | } | |
3537 | ||
3538 | /* There's no overlap between our protocols and the server's list. */ | |
3539 | result = client; | |
3540 | status = OPENSSL_NPN_NO_OVERLAP; | |
3541 | ||
3542 | found: | |
3543 | *out = (unsigned char *)result + 1; | |
3544 | *outlen = result[0]; | |
3545 | return status; | |
3546 | } | |
ee2ffc27 | 3547 | |
e481f9b9 | 3548 | #ifndef OPENSSL_NO_NEXTPROTONEG |
0f113f3e MC |
3549 | /* |
3550 | * SSL_get0_next_proto_negotiated sets *data and *len to point to the | |
3551 | * client's requested protocol for this connection and returns 0. If the | |
3552 | * client didn't request any protocol, then *data is set to NULL. Note that | |
3553 | * the client can request any protocol it chooses. The value returned from | |
3554 | * this function need not be a member of the list of supported protocols | |
ee2ffc27 BL |
3555 | * provided by the callback. |
3556 | */ | |
0f113f3e MC |
3557 | void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data, |
3558 | unsigned *len) | |
3559 | { | |
38b051a1 TM |
3560 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
3561 | ||
3562 | if (sc == NULL) { | |
3563 | /* We have no other way to indicate error */ | |
3564 | *data = NULL; | |
3565 | *len = 0; | |
3566 | return; | |
3567 | } | |
3568 | ||
3569 | *data = sc->ext.npn; | |
12a765a5 | 3570 | if (*data == NULL) { |
0f113f3e MC |
3571 | *len = 0; |
3572 | } else { | |
38b051a1 | 3573 | *len = (unsigned int)sc->ext.npn_len; |
0f113f3e MC |
3574 | } |
3575 | } | |
3576 | ||
3577 | /* | |
aff8c126 | 3578 | * SSL_CTX_set_npn_advertised_cb sets a callback that is called when |
0f113f3e MC |
3579 | * a TLS server needs a list of supported protocols for Next Protocol |
3580 | * Negotiation. The returned list must be in wire format. The list is | |
3581 | * returned by setting |out| to point to it and |outlen| to its length. This | |
3582 | * memory will not be modified, but one should assume that the SSL* keeps a | |
3583 | * reference to it. The callback should return SSL_TLSEXT_ERR_OK if it | |
3584 | * wishes to advertise. Otherwise, no such extension will be included in the | |
3585 | * ServerHello. | |
3586 | */ | |
aff8c126 | 3587 | void SSL_CTX_set_npn_advertised_cb(SSL_CTX *ctx, |
8cbfcc70 | 3588 | SSL_CTX_npn_advertised_cb_func cb, |
aff8c126 | 3589 | void *arg) |
0f113f3e | 3590 | { |
68dbff4c HL |
3591 | if (IS_QUIC_CTX(ctx)) |
3592 | /* NPN not allowed for QUIC */ | |
3593 | return; | |
3594 | ||
aff8c126 RS |
3595 | ctx->ext.npn_advertised_cb = cb; |
3596 | ctx->ext.npn_advertised_cb_arg = arg; | |
0f113f3e MC |
3597 | } |
3598 | ||
3599 | /* | |
3600 | * SSL_CTX_set_next_proto_select_cb sets a callback that is called when a | |
ee2ffc27 BL |
3601 | * client needs to select a protocol from the server's provided list. |out| |
3602 | * must be set to point to the selected protocol (which may be within |in|). | |
0f113f3e MC |
3603 | * The length of the protocol name must be written into |outlen|. The |
3604 | * server's advertised protocols are provided in |in| and |inlen|. The | |
3605 | * callback can assume that |in| is syntactically valid. The client must | |
3606 | * select a protocol. It is fatal to the connection if this callback returns | |
3607 | * a value other than SSL_TLSEXT_ERR_OK. | |
ee2ffc27 | 3608 | */ |
aff8c126 | 3609 | void SSL_CTX_set_npn_select_cb(SSL_CTX *ctx, |
8cbfcc70 | 3610 | SSL_CTX_npn_select_cb_func cb, |
aff8c126 | 3611 | void *arg) |
0f113f3e | 3612 | { |
68dbff4c HL |
3613 | if (IS_QUIC_CTX(ctx)) |
3614 | /* NPN not allowed for QUIC */ | |
3615 | return; | |
3616 | ||
aff8c126 RS |
3617 | ctx->ext.npn_select_cb = cb; |
3618 | ctx->ext.npn_select_cb_arg = arg; | |
0f113f3e | 3619 | } |
e481f9b9 | 3620 | #endif |
a398f821 | 3621 | |
feba11cf TS |
3622 | static int alpn_value_ok(const unsigned char *protos, unsigned int protos_len) |
3623 | { | |
3624 | unsigned int idx; | |
3625 | ||
3626 | if (protos_len < 2 || protos == NULL) | |
3627 | return 0; | |
3628 | ||
3629 | for (idx = 0; idx < protos_len; idx += protos[idx] + 1) { | |
3630 | if (protos[idx] == 0) | |
3631 | return 0; | |
3632 | } | |
3633 | return idx == protos_len; | |
3634 | } | |
0f113f3e MC |
3635 | /* |
3636 | * SSL_CTX_set_alpn_protos sets the ALPN protocol list on |ctx| to |protos|. | |
6f017a8f | 3637 | * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit |
0f113f3e MC |
3638 | * length-prefixed strings). Returns 0 on success. |
3639 | */ | |
3640 | int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char *protos, | |
817cd0d5 | 3641 | unsigned int protos_len) |
0f113f3e | 3642 | { |
feba11cf TS |
3643 | unsigned char *alpn; |
3644 | ||
3645 | if (protos_len == 0 || protos == NULL) { | |
3646 | OPENSSL_free(ctx->ext.alpn); | |
3647 | ctx->ext.alpn = NULL; | |
39a14059 | 3648 | ctx->ext.alpn_len = 0; |
feba11cf TS |
3649 | return 0; |
3650 | } | |
3651 | /* Not valid per RFC */ | |
3652 | if (!alpn_value_ok(protos, protos_len)) | |
3653 | return 1; | |
3654 | ||
3655 | alpn = OPENSSL_memdup(protos, protos_len); | |
e077455e | 3656 | if (alpn == NULL) |
0f113f3e | 3657 | return 1; |
feba11cf TS |
3658 | OPENSSL_free(ctx->ext.alpn); |
3659 | ctx->ext.alpn = alpn; | |
aff8c126 | 3660 | ctx->ext.alpn_len = protos_len; |
0f113f3e MC |
3661 | |
3662 | return 0; | |
3663 | } | |
3664 | ||
3665 | /* | |
3666 | * SSL_set_alpn_protos sets the ALPN protocol list on |ssl| to |protos|. | |
6f017a8f | 3667 | * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit |
0f113f3e MC |
3668 | * length-prefixed strings). Returns 0 on success. |
3669 | */ | |
3670 | int SSL_set_alpn_protos(SSL *ssl, const unsigned char *protos, | |
817cd0d5 | 3671 | unsigned int protos_len) |
0f113f3e | 3672 | { |
feba11cf | 3673 | unsigned char *alpn; |
38b051a1 TM |
3674 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
3675 | ||
3676 | if (sc == NULL) | |
3677 | return 1; | |
feba11cf TS |
3678 | |
3679 | if (protos_len == 0 || protos == NULL) { | |
38b051a1 TM |
3680 | OPENSSL_free(sc->ext.alpn); |
3681 | sc->ext.alpn = NULL; | |
3682 | sc->ext.alpn_len = 0; | |
feba11cf TS |
3683 | return 0; |
3684 | } | |
3685 | /* Not valid per RFC */ | |
3686 | if (!alpn_value_ok(protos, protos_len)) | |
3687 | return 1; | |
3688 | ||
3689 | alpn = OPENSSL_memdup(protos, protos_len); | |
e077455e | 3690 | if (alpn == NULL) |
0f113f3e | 3691 | return 1; |
38b051a1 TM |
3692 | OPENSSL_free(sc->ext.alpn); |
3693 | sc->ext.alpn = alpn; | |
3694 | sc->ext.alpn_len = protos_len; | |
0f113f3e MC |
3695 | |
3696 | return 0; | |
3697 | } | |
3698 | ||
3699 | /* | |
3700 | * SSL_CTX_set_alpn_select_cb sets a callback function on |ctx| that is | |
3701 | * called during ClientHello processing in order to select an ALPN protocol | |
3702 | * from the client's list of offered protocols. | |
3703 | */ | |
3704 | void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx, | |
8cbfcc70 RS |
3705 | SSL_CTX_alpn_select_cb_func cb, |
3706 | void *arg) | |
0f113f3e | 3707 | { |
aff8c126 RS |
3708 | ctx->ext.alpn_select_cb = cb; |
3709 | ctx->ext.alpn_select_cb_arg = arg; | |
0f113f3e MC |
3710 | } |
3711 | ||
3712 | /* | |
69687aa8 F |
3713 | * SSL_get0_alpn_selected gets the selected ALPN protocol (if any) from |ssl|. |
3714 | * On return it sets |*data| to point to |*len| bytes of protocol name | |
0f113f3e MC |
3715 | * (not including the leading length-prefix byte). If the server didn't |
3716 | * respond with a negotiated protocol then |*len| will be zero. | |
3717 | */ | |
6f017a8f | 3718 | void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data, |
817cd0d5 | 3719 | unsigned int *len) |
0f113f3e | 3720 | { |
38b051a1 TM |
3721 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl); |
3722 | ||
3723 | if (sc == NULL) { | |
3724 | /* We have no other way to indicate error */ | |
3725 | *data = NULL; | |
3726 | *len = 0; | |
3727 | return; | |
3728 | } | |
3729 | ||
3730 | *data = sc->s3.alpn_selected; | |
0f113f3e MC |
3731 | if (*data == NULL) |
3732 | *len = 0; | |
3733 | else | |
38b051a1 | 3734 | *len = (unsigned int)sc->s3.alpn_selected_len; |
0f113f3e MC |
3735 | } |
3736 | ||
74b4b494 | 3737 | int SSL_export_keying_material(SSL *s, unsigned char *out, size_t olen, |
0f113f3e | 3738 | const char *label, size_t llen, |
23cec1f4 | 3739 | const unsigned char *context, size_t contextlen, |
0f113f3e MC |
3740 | int use_context) |
3741 | { | |
38b051a1 TM |
3742 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
3743 | ||
3744 | if (sc == NULL) | |
3745 | return -1; | |
3746 | ||
3747 | if (sc->session == NULL | |
3748 | || (sc->version < TLS1_VERSION && sc->version != DTLS1_BAD_VER)) | |
0f113f3e | 3749 | return -1; |
e0af0405 | 3750 | |
38b051a1 | 3751 | return s->method->ssl3_enc->export_keying_material(sc, out, olen, label, |
23cec1f4 MC |
3752 | llen, context, |
3753 | contextlen, use_context); | |
0f113f3e | 3754 | } |
e0af0405 | 3755 | |
b38ede80 TT |
3756 | int SSL_export_keying_material_early(SSL *s, unsigned char *out, size_t olen, |
3757 | const char *label, size_t llen, | |
3758 | const unsigned char *context, | |
3759 | size_t contextlen) | |
3760 | { | |
38b051a1 TM |
3761 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
3762 | ||
3763 | if (sc == NULL) | |
3764 | return -1; | |
3765 | ||
3766 | if (sc->version != TLS1_3_VERSION) | |
b38ede80 TT |
3767 | return 0; |
3768 | ||
38b051a1 | 3769 | return tls13_export_keying_material_early(sc, out, olen, label, llen, |
b38ede80 TT |
3770 | context, contextlen); |
3771 | } | |
3772 | ||
3c1d6bbc | 3773 | static unsigned long ssl_session_hash(const SSL_SESSION *a) |
0f113f3e | 3774 | { |
bd5d27c1 | 3775 | const unsigned char *session_id = a->session_id; |
0f113f3e | 3776 | unsigned long l; |
bd5d27c1 DB |
3777 | unsigned char tmp_storage[4]; |
3778 | ||
3779 | if (a->session_id_length < sizeof(tmp_storage)) { | |
3780 | memset(tmp_storage, 0, sizeof(tmp_storage)); | |
3781 | memcpy(tmp_storage, a->session_id, a->session_id_length); | |
3782 | session_id = tmp_storage; | |
3783 | } | |
0f113f3e MC |
3784 | |
3785 | l = (unsigned long) | |
bd5d27c1 DB |
3786 | ((unsigned long)session_id[0]) | |
3787 | ((unsigned long)session_id[1] << 8L) | | |
3788 | ((unsigned long)session_id[2] << 16L) | | |
3789 | ((unsigned long)session_id[3] << 24L); | |
26a7d938 | 3790 | return l; |
0f113f3e MC |
3791 | } |
3792 | ||
3793 | /* | |
3794 | * NB: If this function (or indeed the hash function which uses a sort of | |
dc644fe2 | 3795 | * coarser function than this one) is changed, ensure |
0f113f3e MC |
3796 | * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on |
3797 | * being able to construct an SSL_SESSION that will collide with any existing | |
3798 | * session with a matching session ID. | |
3799 | */ | |
3800 | static int ssl_session_cmp(const SSL_SESSION *a, const SSL_SESSION *b) | |
3801 | { | |
3802 | if (a->ssl_version != b->ssl_version) | |
208fb891 | 3803 | return 1; |
0f113f3e | 3804 | if (a->session_id_length != b->session_id_length) |
208fb891 | 3805 | return 1; |
26a7d938 | 3806 | return memcmp(a->session_id, b->session_id, a->session_id_length); |
0f113f3e MC |
3807 | } |
3808 | ||
3809 | /* | |
3810 | * These wrapper functions should remain rather than redeclaring | |
d0fa136c | 3811 | * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each |
0f113f3e MC |
3812 | * variable. The reason is that the functions aren't static, they're exposed |
3813 | * via ssl.h. | |
3814 | */ | |
97b17195 | 3815 | |
b4250010 | 3816 | SSL_CTX *SSL_CTX_new_ex(OSSL_LIB_CTX *libctx, const char *propq, |
d8652be0 | 3817 | const SSL_METHOD *meth) |
0f113f3e MC |
3818 | { |
3819 | SSL_CTX *ret = NULL; | |
b67cb09f TS |
3820 | #ifndef OPENSSL_NO_COMP_ALG |
3821 | int i; | |
3822 | #endif | |
0f113f3e MC |
3823 | |
3824 | if (meth == NULL) { | |
6849b73c | 3825 | ERR_raise(ERR_LIB_SSL, SSL_R_NULL_SSL_METHOD_PASSED); |
26a7d938 | 3826 | return NULL; |
0f113f3e MC |
3827 | } |
3828 | ||
0fc32b07 MC |
3829 | if (!OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, NULL)) |
3830 | return NULL; | |
7fa792d1 | 3831 | |
97beb77f | 3832 | /* Doing this for the run once effect */ |
0f113f3e | 3833 | if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) { |
6849b73c | 3834 | ERR_raise(ERR_LIB_SSL, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS); |
0f113f3e MC |
3835 | goto err; |
3836 | } | |
43a07d6d | 3837 | |
b51bce94 | 3838 | ret = OPENSSL_zalloc(sizeof(*ret)); |
0f113f3e | 3839 | if (ret == NULL) |
97beb77f | 3840 | return NULL; |
0f113f3e | 3841 | |
045a8930 | 3842 | /* Init the reference counting before any call to SSL_CTX_free */ |
97beb77f P |
3843 | if (!CRYPTO_NEW_REF(&ret->references, 1)) { |
3844 | OPENSSL_free(ret); | |
3845 | return NULL; | |
3846 | } | |
43a07d6d | 3847 | |
045a8930 F |
3848 | ret->lock = CRYPTO_THREAD_lock_new(); |
3849 | if (ret->lock == NULL) { | |
e077455e RL |
3850 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
3851 | goto err; | |
045a8930 F |
3852 | } |
3853 | ||
acce0557 P |
3854 | #ifdef TSAN_REQUIRES_LOCKING |
3855 | ret->tsan_lock = CRYPTO_THREAD_lock_new(); | |
3856 | if (ret->tsan_lock == NULL) { | |
e077455e | 3857 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
acce0557 P |
3858 | goto err; |
3859 | } | |
3860 | #endif | |
3861 | ||
ba18627e MC |
3862 | ret->libctx = libctx; |
3863 | if (propq != NULL) { | |
3864 | ret->propq = OPENSSL_strdup(propq); | |
3865 | if (ret->propq == NULL) | |
3866 | goto err; | |
3867 | } | |
3868 | ||
0f113f3e | 3869 | ret->method = meth; |
7946ab33 KR |
3870 | ret->min_proto_version = 0; |
3871 | ret->max_proto_version = 0; | |
693cf80c | 3872 | ret->mode = SSL_MODE_AUTO_RETRY; |
0f113f3e MC |
3873 | ret->session_cache_mode = SSL_SESS_CACHE_SERVER; |
3874 | ret->session_cache_size = SSL_SESSION_CACHE_MAX_SIZE_DEFAULT; | |
64b25758 | 3875 | /* We take the system default. */ |
0f113f3e | 3876 | ret->session_timeout = meth->get_timeout(); |
0f113f3e | 3877 | ret->max_cert_list = SSL_MAX_CERT_LIST_DEFAULT; |
0f113f3e | 3878 | ret->verify_mode = SSL_VERIFY_NONE; |
0f113f3e | 3879 | |
62d0577e | 3880 | ret->sessions = lh_SSL_SESSION_new(ssl_session_hash, ssl_session_cmp); |
e077455e RL |
3881 | if (ret->sessions == NULL) { |
3882 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); | |
0f113f3e | 3883 | goto err; |
e077455e | 3884 | } |
0f113f3e | 3885 | ret->cert_store = X509_STORE_new(); |
e077455e RL |
3886 | if (ret->cert_store == NULL) { |
3887 | ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB); | |
0f113f3e | 3888 | goto err; |
e077455e | 3889 | } |
ed29e82a | 3890 | #ifndef OPENSSL_NO_CT |
d8652be0 | 3891 | ret->ctlog_store = CTLOG_STORE_new_ex(libctx, propq); |
e077455e RL |
3892 | if (ret->ctlog_store == NULL) { |
3893 | ERR_raise(ERR_LIB_SSL, ERR_R_CT_LIB); | |
ed29e82a | 3894 | goto err; |
e077455e | 3895 | } |
ed29e82a | 3896 | #endif |
f865b081 | 3897 | |
c8f6c28a | 3898 | /* initialize cipher/digest methods table */ |
ee58915c MB |
3899 | if (!ssl_load_ciphers(ret)) { |
3900 | ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB); | |
e077455e | 3901 | goto err; |
ee58915c MB |
3902 | } |
3903 | ||
3904 | if (!ssl_load_groups(ret)) { | |
3905 | ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB); | |
3906 | goto err; | |
3907 | } | |
3908 | ||
3909 | /* load provider sigalgs */ | |
3910 | if (!ssl_load_sigalgs(ret)) { | |
3911 | ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB); | |
e077455e | 3912 | goto err; |
ee58915c | 3913 | } |
c8f6c28a | 3914 | |
ee58915c MB |
3915 | /* initialise sig algs */ |
3916 | if (!ssl_setup_sigalgs(ret)) { | |
3917 | ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB); | |
e077455e | 3918 | goto err; |
ee58915c | 3919 | } |
9d2d857f | 3920 | |
e077455e RL |
3921 | if (!SSL_CTX_set_ciphersuites(ret, OSSL_default_ciphersuites())) { |
3922 | ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB); | |
f865b081 | 3923 | goto err; |
e077455e | 3924 | } |
f865b081 | 3925 | |
ee58915c MB |
3926 | if ((ret->cert = ssl_cert_new(SSL_PKEY_NUM + ret->sigalg_list_len)) == NULL) { |
3927 | ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB); | |
3928 | goto err; | |
3929 | } | |
3930 | ||
a68eee67 | 3931 | if (!ssl_create_cipher_list(ret, |
f865b081 | 3932 | ret->tls13_ciphersuites, |
a230b26e | 3933 | &ret->cipher_list, &ret->cipher_list_by_id, |
5d120511 | 3934 | OSSL_default_cipher_list(), ret->cert) |
a230b26e | 3935 | || sk_SSL_CIPHER_num(ret->cipher_list) <= 0) { |
6849b73c | 3936 | ERR_raise(ERR_LIB_SSL, SSL_R_LIBRARY_HAS_NO_CIPHERS); |
e077455e | 3937 | goto err; |
0f113f3e MC |
3938 | } |
3939 | ||
3940 | ret->param = X509_VERIFY_PARAM_new(); | |
e077455e RL |
3941 | if (ret->param == NULL) { |
3942 | ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB); | |
0f113f3e | 3943 | goto err; |
e077455e | 3944 | } |
0f113f3e | 3945 | |
c8f6c28a MC |
3946 | /* |
3947 | * If these aren't available from the provider we'll get NULL returns. | |
3948 | * That's fine but will cause errors later if SSLv3 is negotiated | |
3949 | */ | |
3950 | ret->md5 = ssl_evp_md_fetch(libctx, NID_md5, propq); | |
3951 | ret->sha1 = ssl_evp_md_fetch(libctx, NID_sha1, propq); | |
0f113f3e | 3952 | |
e077455e RL |
3953 | if ((ret->ca_names = sk_X509_NAME_new_null()) == NULL) { |
3954 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); | |
0f113f3e | 3955 | goto err; |
e077455e | 3956 | } |
0f113f3e | 3957 | |
e077455e RL |
3958 | if ((ret->client_ca_names = sk_X509_NAME_new_null()) == NULL) { |
3959 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); | |
98732979 | 3960 | goto err; |
e077455e | 3961 | } |
98732979 | 3962 | |
e077455e RL |
3963 | if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data)) { |
3964 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); | |
25a807bc | 3965 | goto err; |
e077455e | 3966 | } |
0f113f3e | 3967 | |
4bfb96f2 TS |
3968 | if ((ret->ext.secure = OPENSSL_secure_zalloc(sizeof(*ret->ext.secure))) == NULL) |
3969 | goto err; | |
3970 | ||
0f113f3e MC |
3971 | /* No compression for DTLS */ |
3972 | if (!(meth->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS)) | |
3973 | ret->comp_methods = SSL_COMP_get_compression_methods(); | |
3974 | ||
3975 | ret->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; | |
d102d9df | 3976 | ret->split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; |
566dda07 | 3977 | |
4e2e1ec9 | 3978 | /* Setup RFC5077 ticket keys */ |
8f21260b | 3979 | if ((RAND_bytes_ex(libctx, ret->ext.tick_key_name, |
0f8815aa | 3980 | sizeof(ret->ext.tick_key_name), 0) <= 0) |
8f21260b | 3981 | || (RAND_priv_bytes_ex(libctx, ret->ext.secure->tick_hmac_key, |
0f8815aa | 3982 | sizeof(ret->ext.secure->tick_hmac_key), 0) <= 0) |
8f21260b | 3983 | || (RAND_priv_bytes_ex(libctx, ret->ext.secure->tick_aes_key, |
0f8815aa | 3984 | sizeof(ret->ext.secure->tick_aes_key), 0) <= 0)) |
0f113f3e | 3985 | ret->options |= SSL_OP_NO_TICKET; |
6434abbf | 3986 | |
8f21260b | 3987 | if (RAND_priv_bytes_ex(libctx, ret->ext.cookie_hmac_key, |
e077455e RL |
3988 | sizeof(ret->ext.cookie_hmac_key), 0) <= 0) { |
3989 | ERR_raise(ERR_LIB_SSL, ERR_R_RAND_LIB); | |
43054d3d | 3990 | goto err; |
e077455e | 3991 | } |
43054d3d | 3992 | |
edc032b5 | 3993 | #ifndef OPENSSL_NO_SRP |
e077455e RL |
3994 | if (!ssl_ctx_srp_ctx_init_intern(ret)) { |
3995 | ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB); | |
69f68237 | 3996 | goto err; |
e077455e | 3997 | } |
edc032b5 | 3998 | #endif |
4db9677b | 3999 | #ifndef OPENSSL_NO_ENGINE |
0f113f3e MC |
4000 | # ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO |
4001 | # define eng_strx(x) #x | |
4002 | # define eng_str(x) eng_strx(x) | |
4003 | /* Use specific client engine automatically... ignore errors */ | |
4004 | { | |
4005 | ENGINE *eng; | |
4006 | eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO)); | |
4007 | if (!eng) { | |
4008 | ERR_clear_error(); | |
4009 | ENGINE_load_builtin_engines(); | |
4010 | eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO)); | |
4011 | } | |
4012 | if (!eng || !SSL_CTX_set_client_cert_engine(ret, eng)) | |
4013 | ERR_clear_error(); | |
4014 | } | |
4015 | # endif | |
b67cb09f TS |
4016 | #endif |
4017 | ||
4018 | #ifndef OPENSSL_NO_COMP_ALG | |
4019 | /* | |
4020 | * Set the default order: brotli, zlib, zstd | |
4021 | * Including only those enabled algorithms | |
4022 | */ | |
4023 | memset(ret->cert_comp_prefs, 0, sizeof(ret->cert_comp_prefs)); | |
4024 | i = 0; | |
4025 | if (ossl_comp_has_alg(TLSEXT_comp_cert_brotli)) | |
4026 | ret->cert_comp_prefs[i++] = TLSEXT_comp_cert_brotli; | |
4027 | if (ossl_comp_has_alg(TLSEXT_comp_cert_zlib)) | |
4028 | ret->cert_comp_prefs[i++] = TLSEXT_comp_cert_zlib; | |
4029 | if (ossl_comp_has_alg(TLSEXT_comp_cert_zstd)) | |
4030 | ret->cert_comp_prefs[i++] = TLSEXT_comp_cert_zstd; | |
0f113f3e | 4031 | #endif |
dc5744cb EK |
4032 | /* |
4033 | * Disable compression by default to prevent CRIME. Applications can | |
4034 | * re-enable compression by configuring | |
4035 | * SSL_CTX_clear_options(ctx, SSL_OP_NO_COMPRESSION); | |
a5816a5a MC |
4036 | * or by using the SSL_CONF library. Similarly we also enable TLSv1.3 |
4037 | * middlebox compatibility by default. This may be disabled by default in | |
4038 | * a later OpenSSL version. | |
dc5744cb | 4039 | */ |
a5816a5a | 4040 | ret->options |= SSL_OP_NO_COMPRESSION | SSL_OP_ENABLE_MIDDLEBOX_COMPAT; |
0f113f3e | 4041 | |
aff8c126 | 4042 | ret->ext.status_type = TLSEXT_STATUSTYPE_nothing; |
ba261f71 | 4043 | |
bfa9a9af | 4044 | /* |
c39e4048 BK |
4045 | * We cannot usefully set a default max_early_data here (which gets |
4046 | * propagated in SSL_new(), for the following reason: setting the | |
4047 | * SSL field causes tls_construct_stoc_early_data() to tell the | |
4048 | * client that early data will be accepted when constructing a TLS 1.3 | |
4049 | * session ticket, and the client will accordingly send us early data | |
4050 | * when using that ticket (if the client has early data to send). | |
4051 | * However, in order for the early data to actually be consumed by | |
4052 | * the application, the application must also have calls to | |
4053 | * SSL_read_early_data(); otherwise we'll just skip past the early data | |
4054 | * and ignore it. So, since the application must add calls to | |
4055 | * SSL_read_early_data(), we also require them to add | |
4056 | * calls to SSL_CTX_set_max_early_data() in order to use early data, | |
4057 | * eliminating the bandwidth-wasting early data in the case described | |
4058 | * above. | |
bfa9a9af | 4059 | */ |
c39e4048 | 4060 | ret->max_early_data = 0; |
bfa9a9af | 4061 | |
4e8548e8 MC |
4062 | /* |
4063 | * Default recv_max_early_data is a fully loaded single record. Could be | |
4064 | * split across multiple records in practice. We set this differently to | |
4065 | * max_early_data so that, in the default case, we do not advertise any | |
4066 | * support for early_data, but if a client were to send us some (e.g. | |
4067 | * because of an old, stale ticket) then we will tolerate it and skip over | |
4068 | * it. | |
4069 | */ | |
4070 | ret->recv_max_early_data = SSL3_RT_MAX_PLAIN_LENGTH; | |
4071 | ||
36ff232c MC |
4072 | /* By default we send two session tickets automatically in TLSv1.3 */ |
4073 | ret->num_tickets = 2; | |
9d0a8bb7 | 4074 | |
8a5ed9dc TM |
4075 | ssl_ctx_system_config(ret); |
4076 | ||
16203f7b | 4077 | return ret; |
0f113f3e | 4078 | err: |
e0e920b1 | 4079 | SSL_CTX_free(ret); |
16203f7b | 4080 | return NULL; |
0f113f3e | 4081 | } |
d02b48c6 | 4082 | |
ba18627e MC |
4083 | SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth) |
4084 | { | |
d8652be0 | 4085 | return SSL_CTX_new_ex(NULL, NULL, meth); |
ba18627e MC |
4086 | } |
4087 | ||
c5ebfcab | 4088 | int SSL_CTX_up_ref(SSL_CTX *ctx) |
a18a31e4 | 4089 | { |
16203f7b | 4090 | int i; |
c5ebfcab | 4091 | |
43a07d6d | 4092 | if (CRYPTO_UP_REF(&ctx->references, &i) <= 0) |
c5ebfcab F |
4093 | return 0; |
4094 | ||
4095 | REF_PRINT_COUNT("SSL_CTX", ctx); | |
4096 | REF_ASSERT_ISNT(i < 2); | |
4097 | return ((i > 1) ? 1 : 0); | |
a18a31e4 MC |
4098 | } |
4099 | ||
4f43d0e7 | 4100 | void SSL_CTX_free(SSL_CTX *a) |
0f113f3e MC |
4101 | { |
4102 | int i; | |
9d2d857f | 4103 | size_t j; |
d02b48c6 | 4104 | |
0f113f3e MC |
4105 | if (a == NULL) |
4106 | return; | |
d02b48c6 | 4107 | |
43a07d6d | 4108 | CRYPTO_DOWN_REF(&a->references, &i); |
f3f1cf84 | 4109 | REF_PRINT_COUNT("SSL_CTX", a); |
0f113f3e MC |
4110 | if (i > 0) |
4111 | return; | |
f3f1cf84 | 4112 | REF_ASSERT_ISNT(i < 0); |
0f113f3e | 4113 | |
222561fe | 4114 | X509_VERIFY_PARAM_free(a->param); |
919ba009 | 4115 | dane_ctx_final(&a->dane); |
0f113f3e MC |
4116 | |
4117 | /* | |
4118 | * Free internal session cache. However: the remove_cb() may reference | |
4119 | * the ex_data of SSL_CTX, thus the ex_data store can only be removed | |
4120 | * after the sessions were flushed. | |
4121 | * As the ex_data handling routines might also touch the session cache, | |
4122 | * the most secure solution seems to be: empty (flush) the cache, then | |
4123 | * free ex_data, then finally free the cache. | |
4124 | * (See ticket [openssl.org #212].) | |
4125 | */ | |
4126 | if (a->sessions != NULL) | |
4127 | SSL_CTX_flush_sessions(a, 0); | |
4128 | ||
4129 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data); | |
25aaa98a | 4130 | lh_SSL_SESSION_free(a->sessions); |
222561fe | 4131 | X509_STORE_free(a->cert_store); |
ed29e82a RP |
4132 | #ifndef OPENSSL_NO_CT |
4133 | CTLOG_STORE_free(a->ctlog_store); | |
4134 | #endif | |
25aaa98a RS |
4135 | sk_SSL_CIPHER_free(a->cipher_list); |
4136 | sk_SSL_CIPHER_free(a->cipher_list_by_id); | |
f865b081 | 4137 | sk_SSL_CIPHER_free(a->tls13_ciphersuites); |
e0e920b1 | 4138 | ssl_cert_free(a->cert); |
fa7c2637 | 4139 | sk_X509_NAME_pop_free(a->ca_names, X509_NAME_free); |
98732979 | 4140 | sk_X509_NAME_pop_free(a->client_ca_names, X509_NAME_free); |
79b2a2f2 | 4141 | OSSL_STACK_OF_X509_free(a->extra_certs); |
0f113f3e | 4142 | a->comp_methods = NULL; |
e783bae2 | 4143 | #ifndef OPENSSL_NO_SRTP |
25aaa98a | 4144 | sk_SRTP_PROTECTION_PROFILE_free(a->srtp_profiles); |
e783bae2 | 4145 | #endif |
edc032b5 | 4146 | #ifndef OPENSSL_NO_SRP |
76cb077f | 4147 | ssl_ctx_srp_ctx_free_intern(a); |
edc032b5 | 4148 | #endif |
bdfe932d | 4149 | #ifndef OPENSSL_NO_ENGINE |
301fcb28 | 4150 | tls_engine_finish(a->client_cert_engine); |
ddac1974 | 4151 | #endif |
8671b898 | 4152 | |
aff8c126 | 4153 | OPENSSL_free(a->ext.ecpointformats); |
187753e0 | 4154 | OPENSSL_free(a->ext.supportedgroups); |
ddf8f1ce | 4155 | OPENSSL_free(a->ext.supported_groups_default); |
aff8c126 | 4156 | OPENSSL_free(a->ext.alpn); |
4bfb96f2 | 4157 | OPENSSL_secure_free(a->ext.secure); |
8671b898 | 4158 | |
c8f6c28a MC |
4159 | ssl_evp_md_free(a->md5); |
4160 | ssl_evp_md_free(a->sha1); | |
4161 | ||
9d2d857f MC |
4162 | for (j = 0; j < SSL_ENC_NUM_IDX; j++) |
4163 | ssl_evp_cipher_free(a->ssl_cipher_methods[j]); | |
4164 | for (j = 0; j < SSL_MD_NUM_IDX; j++) | |
4165 | ssl_evp_md_free(a->ssl_digest_methods[j]); | |
4166 | for (j = 0; j < a->group_list_len; j++) { | |
4167 | OPENSSL_free(a->group_list[j].tlsname); | |
4168 | OPENSSL_free(a->group_list[j].realname); | |
4169 | OPENSSL_free(a->group_list[j].algorithm); | |
4170 | } | |
4171 | OPENSSL_free(a->group_list); | |
ee58915c MB |
4172 | for (j = 0; j < a->sigalg_list_len; j++) { |
4173 | OPENSSL_free(a->sigalg_list[j].name); | |
4174 | OPENSSL_free(a->sigalg_list[j].sigalg_name); | |
4175 | OPENSSL_free(a->sigalg_list[j].sigalg_oid); | |
4176 | OPENSSL_free(a->sigalg_list[j].sig_name); | |
4177 | OPENSSL_free(a->sigalg_list[j].sig_oid); | |
4178 | OPENSSL_free(a->sigalg_list[j].hash_name); | |
4179 | OPENSSL_free(a->sigalg_list[j].hash_oid); | |
4180 | OPENSSL_free(a->sigalg_list[j].keytype); | |
4181 | OPENSSL_free(a->sigalg_list[j].keytype_oid); | |
4182 | } | |
4183 | OPENSSL_free(a->sigalg_list); | |
4184 | OPENSSL_free(a->ssl_cert_info); | |
c8f6c28a | 4185 | |
263ff2c9 | 4186 | OPENSSL_free(a->sigalg_lookup_cache); |
ee58915c | 4187 | OPENSSL_free(a->tls12_sigalgs); |
263ff2c9 | 4188 | |
3c95ef22 TS |
4189 | OPENSSL_free(a->client_cert_type); |
4190 | OPENSSL_free(a->server_cert_type); | |
4191 | ||
16203f7b | 4192 | CRYPTO_THREAD_lock_free(a->lock); |
43a07d6d | 4193 | CRYPTO_FREE_REF(&a->references); |
acce0557 P |
4194 | #ifdef TSAN_REQUIRES_LOCKING |
4195 | CRYPTO_THREAD_lock_free(a->tsan_lock); | |
4196 | #endif | |
16203f7b | 4197 | |
ba18627e MC |
4198 | OPENSSL_free(a->propq); |
4199 | ||
0f113f3e MC |
4200 | OPENSSL_free(a); |
4201 | } | |
d02b48c6 | 4202 | |
3ae76679 | 4203 | void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb) |
0f113f3e MC |
4204 | { |
4205 | ctx->default_passwd_callback = cb; | |
4206 | } | |
4207 | ||
4208 | void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u) | |
4209 | { | |
4210 | ctx->default_passwd_callback_userdata = u; | |
4211 | } | |
4212 | ||
0c452abc CH |
4213 | pem_password_cb *SSL_CTX_get_default_passwd_cb(SSL_CTX *ctx) |
4214 | { | |
4215 | return ctx->default_passwd_callback; | |
4216 | } | |
4217 | ||
4218 | void *SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX *ctx) | |
4219 | { | |
4220 | return ctx->default_passwd_callback_userdata; | |
4221 | } | |
4222 | ||
a974e64a MC |
4223 | void SSL_set_default_passwd_cb(SSL *s, pem_password_cb *cb) |
4224 | { | |
38b051a1 TM |
4225 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4226 | ||
4227 | if (sc == NULL) | |
4228 | return; | |
4229 | ||
4230 | sc->default_passwd_callback = cb; | |
a974e64a MC |
4231 | } |
4232 | ||
4233 | void SSL_set_default_passwd_cb_userdata(SSL *s, void *u) | |
4234 | { | |
38b051a1 TM |
4235 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4236 | ||
4237 | if (sc == NULL) | |
4238 | return; | |
4239 | ||
4240 | sc->default_passwd_callback_userdata = u; | |
a974e64a MC |
4241 | } |
4242 | ||
0c452abc CH |
4243 | pem_password_cb *SSL_get_default_passwd_cb(SSL *s) |
4244 | { | |
38b051a1 TM |
4245 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4246 | ||
4247 | if (sc == NULL) | |
4248 | return NULL; | |
4249 | ||
4250 | return sc->default_passwd_callback; | |
0c452abc CH |
4251 | } |
4252 | ||
4253 | void *SSL_get_default_passwd_cb_userdata(SSL *s) | |
4254 | { | |
38b051a1 TM |
4255 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4256 | ||
4257 | if (sc == NULL) | |
4258 | return NULL; | |
4259 | ||
4260 | return sc->default_passwd_callback_userdata; | |
0c452abc CH |
4261 | } |
4262 | ||
0f113f3e MC |
4263 | void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, |
4264 | int (*cb) (X509_STORE_CTX *, void *), | |
4265 | void *arg) | |
4266 | { | |
4267 | ctx->app_verify_callback = cb; | |
4268 | ctx->app_verify_arg = arg; | |
4269 | } | |
4270 | ||
4271 | void SSL_CTX_set_verify(SSL_CTX *ctx, int mode, | |
4272 | int (*cb) (int, X509_STORE_CTX *)) | |
4273 | { | |
4274 | ctx->verify_mode = mode; | |
4275 | ctx->default_verify_callback = cb; | |
4276 | } | |
4277 | ||
4278 | void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth) | |
4279 | { | |
4280 | X509_VERIFY_PARAM_set_depth(ctx->param, depth); | |
4281 | } | |
4282 | ||
a230b26e | 4283 | void SSL_CTX_set_cert_cb(SSL_CTX *c, int (*cb) (SSL *ssl, void *arg), void *arg) |
0f113f3e MC |
4284 | { |
4285 | ssl_cert_set_cert_cb(c->cert, cb, arg); | |
4286 | } | |
4287 | ||
4288 | void SSL_set_cert_cb(SSL *s, int (*cb) (SSL *ssl, void *arg), void *arg) | |
4289 | { | |
38b051a1 TM |
4290 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4291 | ||
4292 | if (sc == NULL) | |
4293 | return; | |
4294 | ||
4295 | ssl_cert_set_cert_cb(sc->cert, cb, arg); | |
0f113f3e | 4296 | } |
18d71588 | 4297 | |
38b051a1 | 4298 | void ssl_set_masks(SSL_CONNECTION *s) |
0f113f3e | 4299 | { |
6383d316 | 4300 | CERT *c = s->cert; |
555cbb32 | 4301 | uint32_t *pvalid = s->s3.tmp.valid_flags; |
bc71f910 | 4302 | int rsa_enc, rsa_sign, dh_tmp, dsa_sign; |
361a1191 | 4303 | unsigned long mask_k, mask_a; |
361a1191 | 4304 | int have_ecc_cert, ecdsa_ok; |
462f4f4b | 4305 | |
0f113f3e MC |
4306 | if (c == NULL) |
4307 | return; | |
d02b48c6 | 4308 | |
13c45372 | 4309 | dh_tmp = (c->dh_tmp != NULL |
13c45372 | 4310 | || c->dh_tmp_cb != NULL |
13c45372 | 4311 | || c->dh_tmp_auto); |
d02b48c6 | 4312 | |
d0ff28f8 | 4313 | rsa_enc = pvalid[SSL_PKEY_RSA] & CERT_PKEY_VALID; |
38e8f3cd DSH |
4314 | rsa_sign = pvalid[SSL_PKEY_RSA] & CERT_PKEY_VALID; |
4315 | dsa_sign = pvalid[SSL_PKEY_DSA_SIGN] & CERT_PKEY_VALID; | |
6383d316 | 4316 | have_ecc_cert = pvalid[SSL_PKEY_ECC] & CERT_PKEY_VALID; |
0f113f3e MC |
4317 | mask_k = 0; |
4318 | mask_a = 0; | |
0e1dba93 | 4319 | |
77359d22 RL |
4320 | OSSL_TRACE4(TLS_CIPHER, "dh_tmp=%d rsa_enc=%d rsa_sign=%d dsa_sign=%d\n", |
4321 | dh_tmp, rsa_enc, rsa_sign, dsa_sign); | |
0f113f3e | 4322 | |
2a9b9654 | 4323 | #ifndef OPENSSL_NO_GOST |
4020c0b3 | 4324 | if (ssl_has_cert(s, SSL_PKEY_GOST12_512)) { |
5a5530a2 | 4325 | mask_k |= SSL_kGOST | SSL_kGOST18; |
e44380a9 DB |
4326 | mask_a |= SSL_aGOST12; |
4327 | } | |
4020c0b3 | 4328 | if (ssl_has_cert(s, SSL_PKEY_GOST12_256)) { |
5a5530a2 | 4329 | mask_k |= SSL_kGOST | SSL_kGOST18; |
e44380a9 DB |
4330 | mask_a |= SSL_aGOST12; |
4331 | } | |
4020c0b3 | 4332 | if (ssl_has_cert(s, SSL_PKEY_GOST01)) { |
0f113f3e MC |
4333 | mask_k |= SSL_kGOST; |
4334 | mask_a |= SSL_aGOST01; | |
4335 | } | |
2a9b9654 | 4336 | #endif |
0f113f3e | 4337 | |
361a1191 | 4338 | if (rsa_enc) |
0f113f3e | 4339 | mask_k |= SSL_kRSA; |
d02b48c6 | 4340 | |
0f113f3e MC |
4341 | if (dh_tmp) |
4342 | mask_k |= SSL_kDHE; | |
d02b48c6 | 4343 | |
6aaa29fb DSH |
4344 | /* |
4345 | * If we only have an RSA-PSS certificate allow RSA authentication | |
4346 | * if TLS 1.2 and peer supports it. | |
4347 | */ | |
4348 | ||
4349 | if (rsa_enc || rsa_sign || (ssl_has_cert(s, SSL_PKEY_RSA_PSS_SIGN) | |
4350 | && pvalid[SSL_PKEY_RSA_PSS_SIGN] & CERT_PKEY_EXPLICIT_SIGN | |
38b051a1 | 4351 | && TLS1_get_version(&s->ssl) == TLS1_2_VERSION)) |
0f113f3e | 4352 | mask_a |= SSL_aRSA; |
d02b48c6 | 4353 | |
0f113f3e MC |
4354 | if (dsa_sign) { |
4355 | mask_a |= SSL_aDSS; | |
0f113f3e | 4356 | } |
d02b48c6 | 4357 | |
0f113f3e | 4358 | mask_a |= SSL_aNULL; |
d02b48c6 | 4359 | |
3c95ef22 TS |
4360 | /* |
4361 | * You can do anything with an RPK key, since there's no cert to restrict it | |
4362 | * But we need to check for private keys | |
4363 | */ | |
4364 | if (pvalid[SSL_PKEY_RSA] & CERT_PKEY_RPK) { | |
4365 | mask_a |= SSL_aRSA; | |
4366 | mask_k |= SSL_kRSA; | |
4367 | } | |
4368 | if (pvalid[SSL_PKEY_ECC] & CERT_PKEY_RPK) | |
4369 | mask_a |= SSL_aECDSA; | |
4370 | if (TLS1_get_version(&s->ssl) == TLS1_2_VERSION) { | |
4371 | if (pvalid[SSL_PKEY_RSA_PSS_SIGN] & CERT_PKEY_RPK) | |
4372 | mask_a |= SSL_aRSA; | |
4373 | if (pvalid[SSL_PKEY_ED25519] & CERT_PKEY_RPK | |
4374 | || pvalid[SSL_PKEY_ED448] & CERT_PKEY_RPK) | |
4375 | mask_a |= SSL_aECDSA; | |
4376 | } | |
4377 | ||
0f113f3e MC |
4378 | /* |
4379 | * An ECC certificate may be usable for ECDH and/or ECDSA cipher suites | |
4380 | * depending on the key usage extension. | |
4381 | */ | |
0f113f3e | 4382 | if (have_ecc_cert) { |
a8d8e06b | 4383 | uint32_t ex_kusage; |
4020c0b3 | 4384 | ex_kusage = X509_get_key_usage(c->pkeys[SSL_PKEY_ECC].x509); |
a8d8e06b | 4385 | ecdsa_ok = ex_kusage & X509v3_KU_DIGITAL_SIGNATURE; |
6383d316 | 4386 | if (!(pvalid[SSL_PKEY_ECC] & CERT_PKEY_SIGN)) |
0f113f3e | 4387 | ecdsa_ok = 0; |
c7c46256 | 4388 | if (ecdsa_ok) |
0f113f3e | 4389 | mask_a |= SSL_aECDSA; |
0f113f3e | 4390 | } |
b2021556 DSH |
4391 | /* Allow Ed25519 for TLS 1.2 if peer supports it */ |
4392 | if (!(mask_a & SSL_aECDSA) && ssl_has_cert(s, SSL_PKEY_ED25519) | |
4393 | && pvalid[SSL_PKEY_ED25519] & CERT_PKEY_EXPLICIT_SIGN | |
38b051a1 | 4394 | && TLS1_get_version(&s->ssl) == TLS1_2_VERSION) |
b2021556 | 4395 | mask_a |= SSL_aECDSA; |
0e1d6ecf MC |
4396 | |
4397 | /* Allow Ed448 for TLS 1.2 if peer supports it */ | |
4398 | if (!(mask_a & SSL_aECDSA) && ssl_has_cert(s, SSL_PKEY_ED448) | |
4399 | && pvalid[SSL_PKEY_ED448] & CERT_PKEY_EXPLICIT_SIGN | |
38b051a1 | 4400 | && TLS1_get_version(&s->ssl) == TLS1_2_VERSION) |
0e1d6ecf | 4401 | mask_a |= SSL_aECDSA; |
ea262260 | 4402 | |
fe6ef247 | 4403 | mask_k |= SSL_kECDHE; |
ddac1974 NL |
4404 | |
4405 | #ifndef OPENSSL_NO_PSK | |
0f113f3e MC |
4406 | mask_k |= SSL_kPSK; |
4407 | mask_a |= SSL_aPSK; | |
526f94ad DSH |
4408 | if (mask_k & SSL_kRSA) |
4409 | mask_k |= SSL_kRSAPSK; | |
4410 | if (mask_k & SSL_kDHE) | |
4411 | mask_k |= SSL_kDHEPSK; | |
4412 | if (mask_k & SSL_kECDHE) | |
4413 | mask_k |= SSL_kECDHEPSK; | |
ddac1974 NL |
4414 | #endif |
4415 | ||
555cbb32 TS |
4416 | s->s3.tmp.mask_k = mask_k; |
4417 | s->s3.tmp.mask_a = mask_a; | |
0f113f3e | 4418 | } |
d02b48c6 | 4419 | |
38b051a1 | 4420 | int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL_CONNECTION *s) |
0f113f3e | 4421 | { |
555cbb32 | 4422 | if (s->s3.tmp.new_cipher->algorithm_auth & SSL_aECDSA) { |
0f113f3e | 4423 | /* key usage, if present, must allow signing */ |
ce0c1f2b | 4424 | if (!(X509_get_key_usage(x) & X509v3_KU_DIGITAL_SIGNATURE)) { |
6849b73c | 4425 | ERR_raise(ERR_LIB_SSL, SSL_R_ECC_CERT_NOT_FOR_SIGNING); |
0f113f3e MC |
4426 | return 0; |
4427 | } | |
4428 | } | |
0f113f3e MC |
4429 | return 1; /* all checks are ok */ |
4430 | } | |
ea262260 | 4431 | |
38b051a1 TM |
4432 | int ssl_get_server_cert_serverinfo(SSL_CONNECTION *s, |
4433 | const unsigned char **serverinfo, | |
0f113f3e MC |
4434 | size_t *serverinfo_length) |
4435 | { | |
555cbb32 | 4436 | CERT_PKEY *cpk = s->s3.tmp.cert; |
0f113f3e MC |
4437 | *serverinfo_length = 0; |
4438 | ||
a497cf25 | 4439 | if (cpk == NULL || cpk->serverinfo == NULL) |
0f113f3e MC |
4440 | return 0; |
4441 | ||
a497cf25 DSH |
4442 | *serverinfo = cpk->serverinfo; |
4443 | *serverinfo_length = cpk->serverinfo_length; | |
0f113f3e MC |
4444 | return 1; |
4445 | } | |
0f113f3e | 4446 | |
38b051a1 | 4447 | void ssl_update_cache(SSL_CONNECTION *s, int mode) |
0f113f3e MC |
4448 | { |
4449 | int i; | |
4450 | ||
4451 | /* | |
4452 | * If the session_id_length is 0, we are not supposed to cache it, and it | |
4453 | * would be rather hard to do anyway :-) | |
4454 | */ | |
4455 | if (s->session->session_id_length == 0) | |
4456 | return; | |
4457 | ||
d316cdcf BK |
4458 | /* |
4459 | * If sid_ctx_length is 0 there is no specific application context | |
4460 | * associated with this session, so when we try to resume it and | |
c4fa1f7f BK |
4461 | * SSL_VERIFY_PEER is requested to verify the client identity, we have no |
4462 | * indication that this is actually a session for the proper application | |
4463 | * context, and the *handshake* will fail, not just the resumption attempt. | |
4464 | * Do not cache (on the server) these sessions that are not resumable | |
4465 | * (clients can set SSL_VERIFY_PEER without needing a sid_ctx set). | |
d316cdcf | 4466 | */ |
c4fa1f7f | 4467 | if (s->server && s->session->sid_ctx_length == 0 |
d316cdcf BK |
4468 | && (s->verify_mode & SSL_VERIFY_PEER) != 0) |
4469 | return; | |
4470 | ||
0f113f3e | 4471 | i = s->session_ctx->session_cache_mode; |
5d61491c | 4472 | if ((i & mode) != 0 |
38b051a1 | 4473 | && (!s->hit || SSL_CONNECTION_IS_TLS13(s))) { |
ee94ec2e MC |
4474 | /* |
4475 | * Add the session to the internal cache. In server side TLSv1.3 we | |
6cc0b3c2 MC |
4476 | * normally don't do this because by default it's a full stateless ticket |
4477 | * with only a dummy session id so there is no reason to cache it, | |
4478 | * unless: | |
ee94ec2e MC |
4479 | * - we are doing early_data, in which case we cache so that we can |
4480 | * detect replays | |
4481 | * - the application has set a remove_session_cb so needs to know about | |
4482 | * session timeout events | |
6cc0b3c2 | 4483 | * - SSL_OP_NO_TICKET is set in which case it is a stateful ticket |
ee94ec2e MC |
4484 | */ |
4485 | if ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE) == 0 | |
38b051a1 | 4486 | && (!SSL_CONNECTION_IS_TLS13(s) |
ee94ec2e | 4487 | || !s->server |
5d263fb7 MC |
4488 | || (s->max_early_data > 0 |
4489 | && (s->options & SSL_OP_NO_ANTI_REPLAY) == 0) | |
6cc0b3c2 MC |
4490 | || s->session_ctx->remove_session_cb != NULL |
4491 | || (s->options & SSL_OP_NO_TICKET) != 0)) | |
ee94ec2e MC |
4492 | SSL_CTX_add_session(s->session_ctx, s->session); |
4493 | ||
4494 | /* | |
4495 | * Add the session to the external cache. We do this even in server side | |
4496 | * TLSv1.3 without early data because some applications just want to | |
4497 | * know about the creation of a session and aren't doing a full cache. | |
4498 | */ | |
4499 | if (s->session_ctx->new_session_cb != NULL) { | |
4500 | SSL_SESSION_up_ref(s->session); | |
38b051a1 TM |
4501 | if (!s->session_ctx->new_session_cb(SSL_CONNECTION_GET_SSL(s), |
4502 | s->session)) | |
ee94ec2e MC |
4503 | SSL_SESSION_free(s->session); |
4504 | } | |
0f113f3e MC |
4505 | } |
4506 | ||
4507 | /* auto flush every 255 connections */ | |
4508 | if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) && ((i & mode) == mode)) { | |
9ef9088c | 4509 | TSAN_QUALIFIER int *stat; |
acce0557 | 4510 | |
1fcb4e4d BK |
4511 | if (mode & SSL_SESS_CACHE_CLIENT) |
4512 | stat = &s->session_ctx->stats.sess_connect_good; | |
4513 | else | |
4514 | stat = &s->session_ctx->stats.sess_accept_good; | |
acce0557 | 4515 | if ((ssl_tsan_load(s->session_ctx, stat) & 0xff) == 0xff) |
0f113f3e | 4516 | SSL_CTX_flush_sessions(s->session_ctx, (unsigned long)time(NULL)); |
0f113f3e MC |
4517 | } |
4518 | } | |
d02b48c6 | 4519 | |
3499327b | 4520 | const SSL_METHOD *SSL_CTX_get_ssl_method(const SSL_CTX *ctx) |
0f113f3e MC |
4521 | { |
4522 | return ctx->method; | |
4523 | } | |
ba168244 | 4524 | |
3499327b | 4525 | const SSL_METHOD *SSL_get_ssl_method(const SSL *s) |
0f113f3e | 4526 | { |
26a7d938 | 4527 | return s->method; |
0f113f3e | 4528 | } |
d02b48c6 | 4529 | |
4ebb342f | 4530 | int SSL_set_ssl_method(SSL *s, const SSL_METHOD *meth) |
0f113f3e | 4531 | { |
0f113f3e | 4532 | int ret = 1; |
38b051a1 TM |
4533 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4534 | ||
3ea30e76 | 4535 | /* Not allowed for QUIC */ |
38b051a1 | 4536 | if (sc == NULL |
3ea30e76 HL |
4537 | || (s->type != SSL_TYPE_SSL_CONNECTION && s->method != meth) |
4538 | || (s->type == SSL_TYPE_SSL_CONNECTION && IS_QUIC_METHOD(meth))) | |
38b051a1 | 4539 | return 0; |
0f113f3e MC |
4540 | |
4541 | if (s->method != meth) { | |
919ba009 | 4542 | const SSL_METHOD *sm = s->method; |
38b051a1 | 4543 | int (*hf) (SSL *) = sc->handshake_func; |
0f113f3e | 4544 | |
919ba009 | 4545 | if (sm->version == meth->version) |
0f113f3e MC |
4546 | s->method = meth; |
4547 | else { | |
38b051a1 | 4548 | sm->ssl_deinit(s); |
0f113f3e | 4549 | s->method = meth; |
38b051a1 | 4550 | ret = s->method->ssl_init(s); |
0f113f3e MC |
4551 | } |
4552 | ||
919ba009 | 4553 | if (hf == sm->ssl_connect) |
38b051a1 | 4554 | sc->handshake_func = meth->ssl_connect; |
919ba009 | 4555 | else if (hf == sm->ssl_accept) |
38b051a1 | 4556 | sc->handshake_func = meth->ssl_accept; |
0f113f3e | 4557 | } |
26a7d938 | 4558 | return ret; |
0f113f3e MC |
4559 | } |
4560 | ||
4561 | int SSL_get_error(const SSL *s, int i) | |
4562 | { | |
4563 | int reason; | |
4564 | unsigned long l; | |
4565 | BIO *bio; | |
38b051a1 | 4566 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
0f113f3e MC |
4567 | |
4568 | if (i > 0) | |
26a7d938 | 4569 | return SSL_ERROR_NONE; |
0f113f3e | 4570 | |
e30c502a | 4571 | #ifndef OPENSSL_NO_QUIC |
6d495cc4 HL |
4572 | if (IS_QUIC(s)) { |
4573 | reason = ossl_quic_get_error(s, i); | |
e30c502a HL |
4574 | if (reason != SSL_ERROR_NONE) |
4575 | return reason; | |
4576 | } | |
4577 | #endif | |
4578 | ||
38b051a1 TM |
4579 | if (sc == NULL) |
4580 | return SSL_ERROR_SSL; | |
4581 | ||
0f113f3e MC |
4582 | /* |
4583 | * Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake etc, | |
4584 | * where we do encode the error | |
4585 | */ | |
4586 | if ((l = ERR_peek_error()) != 0) { | |
4587 | if (ERR_GET_LIB(l) == ERR_LIB_SYS) | |
26a7d938 | 4588 | return SSL_ERROR_SYSCALL; |
0f113f3e | 4589 | else |
26a7d938 | 4590 | return SSL_ERROR_SSL; |
0f113f3e MC |
4591 | } |
4592 | ||
03bacce8 | 4593 | #ifndef OPENSSL_NO_QUIC |
6d495cc4 | 4594 | if (!IS_QUIC(s)) |
03bacce8 HL |
4595 | #endif |
4596 | { | |
4597 | if (SSL_want_read(s)) { | |
4598 | bio = SSL_get_rbio(s); | |
4599 | if (BIO_should_read(bio)) | |
4600 | return SSL_ERROR_WANT_READ; | |
4601 | else if (BIO_should_write(bio)) | |
4602 | /* | |
4603 | * This one doesn't make too much sense ... We never try to | |
4604 | * write to the rbio, and an application program where rbio and | |
4605 | * wbio are separate couldn't even know what it should wait for. | |
4606 | * However if we ever set s->rwstate incorrectly (so that we | |
4607 | * have SSL_want_read(s) instead of SSL_want_write(s)) and rbio | |
4608 | * and wbio *are* the same, this test works around that bug; so | |
4609 | * it might be safer to keep it. | |
4610 | */ | |
4611 | return SSL_ERROR_WANT_WRITE; | |
4612 | else if (BIO_should_io_special(bio)) { | |
4613 | reason = BIO_get_retry_reason(bio); | |
4614 | if (reason == BIO_RR_CONNECT) | |
4615 | return SSL_ERROR_WANT_CONNECT; | |
4616 | else if (reason == BIO_RR_ACCEPT) | |
4617 | return SSL_ERROR_WANT_ACCEPT; | |
4618 | else | |
4619 | return SSL_ERROR_SYSCALL; /* unknown */ | |
4620 | } | |
4621 | } | |
4622 | ||
4623 | if (SSL_want_write(s)) { | |
2e7dc7cd | 4624 | /* |
03bacce8 HL |
4625 | * Access wbio directly - in order to use the buffered bio if |
4626 | * present | |
2e7dc7cd | 4627 | */ |
03bacce8 HL |
4628 | bio = sc->wbio; |
4629 | if (BIO_should_write(bio)) | |
4630 | return SSL_ERROR_WANT_WRITE; | |
4631 | else if (BIO_should_read(bio)) | |
4632 | /* | |
4633 | * See above (SSL_want_read(s) with BIO_should_write(bio)) | |
4634 | */ | |
4635 | return SSL_ERROR_WANT_READ; | |
4636 | else if (BIO_should_io_special(bio)) { | |
4637 | reason = BIO_get_retry_reason(bio); | |
4638 | if (reason == BIO_RR_CONNECT) | |
4639 | return SSL_ERROR_WANT_CONNECT; | |
4640 | else if (reason == BIO_RR_ACCEPT) | |
4641 | return SSL_ERROR_WANT_ACCEPT; | |
4642 | else | |
4643 | return SSL_ERROR_SYSCALL; | |
4644 | } | |
0f113f3e | 4645 | } |
07bbc92c | 4646 | } |
03bacce8 | 4647 | |
6b1bb98f | 4648 | if (SSL_want_x509_lookup(s)) |
26a7d938 | 4649 | return SSL_ERROR_WANT_X509_LOOKUP; |
0c3eb279 DDO |
4650 | if (SSL_want_retry_verify(s)) |
4651 | return SSL_ERROR_WANT_RETRY_VERIFY; | |
6b1bb98f | 4652 | if (SSL_want_async(s)) |
8051ab2b | 4653 | return SSL_ERROR_WANT_ASYNC; |
6b1bb98f | 4654 | if (SSL_want_async_job(s)) |
8051ab2b | 4655 | return SSL_ERROR_WANT_ASYNC_JOB; |
a9c0d8be DB |
4656 | if (SSL_want_client_hello_cb(s)) |
4657 | return SSL_ERROR_WANT_CLIENT_HELLO_CB; | |
8051ab2b | 4658 | |
38b051a1 TM |
4659 | if ((sc->shutdown & SSL_RECEIVED_SHUTDOWN) && |
4660 | (sc->s3.warn_alert == SSL_AD_CLOSE_NOTIFY)) | |
26a7d938 | 4661 | return SSL_ERROR_ZERO_RETURN; |
8051ab2b | 4662 | |
26a7d938 | 4663 | return SSL_ERROR_SYSCALL; |
0f113f3e | 4664 | } |
d02b48c6 | 4665 | |
add2f5ca MC |
4666 | static int ssl_do_handshake_intern(void *vargs) |
4667 | { | |
38b051a1 TM |
4668 | struct ssl_async_args *args = (struct ssl_async_args *)vargs; |
4669 | SSL *s = args->s; | |
4670 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
add2f5ca | 4671 | |
38b051a1 TM |
4672 | if (sc == NULL) |
4673 | return -1; | |
add2f5ca | 4674 | |
38b051a1 | 4675 | return sc->handshake_func(s); |
add2f5ca MC |
4676 | } |
4677 | ||
4f43d0e7 | 4678 | int SSL_do_handshake(SSL *s) |
0f113f3e MC |
4679 | { |
4680 | int ret = 1; | |
38b051a1 TM |
4681 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4682 | ||
6d495cc4 HL |
4683 | #ifndef OPENSSL_NO_QUIC |
4684 | if (IS_QUIC(s)) | |
4685 | return ossl_quic_do_handshake(s); | |
03bacce8 | 4686 | #endif |
0f113f3e | 4687 | |
38b051a1 | 4688 | if (sc->handshake_func == NULL) { |
6849b73c | 4689 | ERR_raise(ERR_LIB_SSL, SSL_R_CONNECTION_TYPE_NOT_SET); |
add2f5ca | 4690 | return -1; |
0f113f3e MC |
4691 | } |
4692 | ||
38b051a1 | 4693 | ossl_statem_check_finish_init(sc, -1); |
49e7fe12 | 4694 | |
c7f47786 | 4695 | s->method->ssl_renegotiate_check(s, 0); |
0f113f3e MC |
4696 | |
4697 | if (SSL_in_init(s) || SSL_in_before(s)) { | |
38b051a1 | 4698 | if ((sc->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
add2f5ca MC |
4699 | struct ssl_async_args args; |
4700 | ||
09134f18 | 4701 | memset(&args, 0, sizeof(args)); |
add2f5ca MC |
4702 | args.s = s; |
4703 | ||
7fecbf6f | 4704 | ret = ssl_start_async_job(s, &args, ssl_do_handshake_intern); |
add2f5ca | 4705 | } else { |
38b051a1 | 4706 | ret = sc->handshake_func(s); |
add2f5ca | 4707 | } |
0f113f3e | 4708 | } |
add2f5ca | 4709 | return ret; |
0f113f3e MC |
4710 | } |
4711 | ||
4f43d0e7 | 4712 | void SSL_set_accept_state(SSL *s) |
0f113f3e | 4713 | { |
03bacce8 | 4714 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
38b051a1 | 4715 | |
6d495cc4 HL |
4716 | #ifndef OPENSSL_NO_QUIC |
4717 | if (IS_QUIC(s)) { | |
4718 | ossl_quic_set_accept_state(s); | |
38b051a1 | 4719 | return; |
03bacce8 HL |
4720 | } |
4721 | #endif | |
38b051a1 TM |
4722 | |
4723 | sc->server = 1; | |
4724 | sc->shutdown = 0; | |
4725 | ossl_statem_clear(sc); | |
4726 | sc->handshake_func = s->method->ssl_accept; | |
6d814fd6 MC |
4727 | /* Ignore return value. Its a void public API function */ |
4728 | clear_record_layer(sc); | |
0f113f3e | 4729 | } |
d02b48c6 | 4730 | |
4f43d0e7 | 4731 | void SSL_set_connect_state(SSL *s) |
0f113f3e | 4732 | { |
03bacce8 | 4733 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
38b051a1 | 4734 | |
6d495cc4 HL |
4735 | #ifndef OPENSSL_NO_QUIC |
4736 | if (IS_QUIC(s)) { | |
4737 | ossl_quic_set_connect_state(s); | |
38b051a1 | 4738 | return; |
03bacce8 HL |
4739 | } |
4740 | #endif | |
38b051a1 TM |
4741 | |
4742 | sc->server = 0; | |
4743 | sc->shutdown = 0; | |
4744 | ossl_statem_clear(sc); | |
4745 | sc->handshake_func = s->method->ssl_connect; | |
6d814fd6 MC |
4746 | /* Ignore return value. Its a void public API function */ |
4747 | clear_record_layer(sc); | |
0f113f3e | 4748 | } |
d02b48c6 | 4749 | |
4f43d0e7 | 4750 | int ssl_undefined_function(SSL *s) |
0f113f3e | 4751 | { |
6849b73c | 4752 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
26a7d938 | 4753 | return 0; |
0f113f3e | 4754 | } |
d02b48c6 | 4755 | |
41a15c4f | 4756 | int ssl_undefined_void_function(void) |
0f113f3e | 4757 | { |
6849b73c | 4758 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
26a7d938 | 4759 | return 0; |
0f113f3e | 4760 | } |
41a15c4f | 4761 | |
0821bcd4 | 4762 | int ssl_undefined_const_function(const SSL *s) |
0f113f3e | 4763 | { |
26a7d938 | 4764 | return 0; |
0f113f3e | 4765 | } |
0821bcd4 | 4766 | |
2b8fa1d5 | 4767 | const SSL_METHOD *ssl_bad_method(int ver) |
0f113f3e | 4768 | { |
6849b73c | 4769 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
26a7d938 | 4770 | return NULL; |
0f113f3e | 4771 | } |
d02b48c6 | 4772 | |
3eb2aff4 | 4773 | const char *ssl_protocol_to_string(int version) |
7d650072 | 4774 | { |
1287dabd | 4775 | switch (version) |
2abacef1 MC |
4776 | { |
4777 | case TLS1_3_VERSION: | |
582a17d6 | 4778 | return "TLSv1.3"; |
2abacef1 MC |
4779 | |
4780 | case TLS1_2_VERSION: | |
7d650072 | 4781 | return "TLSv1.2"; |
2abacef1 MC |
4782 | |
4783 | case TLS1_1_VERSION: | |
7d650072 | 4784 | return "TLSv1.1"; |
2abacef1 MC |
4785 | |
4786 | case TLS1_VERSION: | |
ee3a6c64 | 4787 | return "TLSv1"; |
2abacef1 MC |
4788 | |
4789 | case SSL3_VERSION: | |
7d650072 | 4790 | return "SSLv3"; |
2abacef1 MC |
4791 | |
4792 | case DTLS1_BAD_VER: | |
7d650072 | 4793 | return "DTLSv0.9"; |
2abacef1 MC |
4794 | |
4795 | case DTLS1_VERSION: | |
7d650072 | 4796 | return "DTLSv1"; |
2abacef1 MC |
4797 | |
4798 | case DTLS1_2_VERSION: | |
7d650072 | 4799 | return "DTLSv1.2"; |
2abacef1 MC |
4800 | |
4801 | default: | |
4802 | return "unknown"; | |
4803 | } | |
0f113f3e | 4804 | } |
d02b48c6 | 4805 | |
7d650072 KR |
4806 | const char *SSL_get_version(const SSL *s) |
4807 | { | |
38b051a1 TM |
4808 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
4809 | ||
50769b15 MC |
4810 | #ifndef OPENSSL_NO_QUIC |
4811 | /* We only support QUICv1 - so if its QUIC its QUICv1 */ | |
f8636c7e | 4812 | if (s->type == SSL_TYPE_QUIC_CONNECTION || s->type == SSL_TYPE_QUIC_XSO) |
50769b15 MC |
4813 | return "QUICv1"; |
4814 | #endif | |
4815 | ||
38b051a1 TM |
4816 | if (sc == NULL) |
4817 | return NULL; | |
4818 | ||
4819 | return ssl_protocol_to_string(sc->version); | |
7d650072 KR |
4820 | } |
4821 | ||
cee0628e JC |
4822 | __owur int SSL_get_handshake_rtt(const SSL *s, uint64_t *rtt) |
4823 | { | |
4824 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); | |
4825 | ||
4826 | if (sc == NULL) | |
4827 | return -1; | |
4828 | if (sc->ts_msg_write.t <= 0 || sc->ts_msg_read.t <= 0) | |
4829 | return 0; /* data not (yet) available */ | |
4830 | if (sc->ts_msg_read.t < sc->ts_msg_write.t) | |
4831 | return -1; | |
4832 | ||
4833 | *rtt = ossl_time2us(ossl_time_subtract(sc->ts_msg_read, sc->ts_msg_write)); | |
4834 | return 1; | |
4835 | } | |
4836 | ||
98732979 | 4837 | static int dup_ca_names(STACK_OF(X509_NAME) **dst, STACK_OF(X509_NAME) *src) |
0f113f3e MC |
4838 | { |
4839 | STACK_OF(X509_NAME) *sk; | |
4840 | X509_NAME *xn; | |
98732979 MC |
4841 | int i; |
4842 | ||
4843 | if (src == NULL) { | |
4844 | *dst = NULL; | |
4845 | return 1; | |
4846 | } | |
4847 | ||
4848 | if ((sk = sk_X509_NAME_new_null()) == NULL) | |
4849 | return 0; | |
4850 | for (i = 0; i < sk_X509_NAME_num(src); i++) { | |
4851 | xn = X509_NAME_dup(sk_X509_NAME_value(src, i)); | |
4852 | if (xn == NULL) { | |
4853 | sk_X509_NAME_pop_free(sk, X509_NAME_free); | |
4854 | return 0; | |
4855 | } | |
4856 | if (sk_X509_NAME_insert(sk, xn, i) == 0) { | |
4857 | X509_NAME_free(xn); | |
4858 | sk_X509_NAME_pop_free(sk, X509_NAME_free); | |
4859 | return 0; | |
4860 | } | |
4861 | } | |
4862 | *dst = sk; | |
4863 | ||
4864 | return 1; | |
4865 | } | |
4866 | ||
4867 | SSL *SSL_dup(SSL *s) | |
4868 | { | |
0f113f3e MC |
4869 | SSL *ret; |
4870 | int i; | |
38b051a1 TM |
4871 | /* TODO(QUIC): Add a SSL_METHOD function for duplication */ |
4872 | SSL_CONNECTION *retsc; | |
4873 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); | |
4874 | ||
4875 | if (sc == NULL) | |
4876 | return NULL; | |
0f113f3e | 4877 | |
919ba009 VD |
4878 | /* If we're not quiescent, just up_ref! */ |
4879 | if (!SSL_in_init(s) || !SSL_in_before(s)) { | |
43a07d6d | 4880 | CRYPTO_UP_REF(&s->references, &i); |
919ba009 VD |
4881 | return s; |
4882 | } | |
4883 | ||
4884 | /* | |
4885 | * Otherwise, copy configuration state, and session if set. | |
4886 | */ | |
0f113f3e | 4887 | if ((ret = SSL_new(SSL_get_SSL_CTX(s))) == NULL) |
26a7d938 | 4888 | return NULL; |
38b051a1 TM |
4889 | if ((retsc = SSL_CONNECTION_FROM_SSL_ONLY(ret)) == NULL) |
4890 | goto err; | |
0f113f3e | 4891 | |
38b051a1 | 4892 | if (sc->session != NULL) { |
919ba009 VD |
4893 | /* |
4894 | * Arranges to share the same session via up_ref. This "copies" | |
4895 | * session-id, SSL_METHOD, sid_ctx, and 'cert' | |
4896 | */ | |
61986d32 | 4897 | if (!SSL_copy_session_id(ret, s)) |
17dd65e6 | 4898 | goto err; |
0f113f3e MC |
4899 | } else { |
4900 | /* | |
4901 | * No session has been established yet, so we have to expect that | |
4902 | * s->cert or ret->cert will be changed later -- they should not both | |
4903 | * point to the same object, and thus we can't use | |
4904 | * SSL_copy_session_id. | |
4905 | */ | |
919ba009 VD |
4906 | if (!SSL_set_ssl_method(ret, s->method)) |
4907 | goto err; | |
0f113f3e | 4908 | |
38b051a1 TM |
4909 | if (sc->cert != NULL) { |
4910 | ssl_cert_free(retsc->cert); | |
4911 | retsc->cert = ssl_cert_dup(sc->cert); | |
4912 | if (retsc->cert == NULL) | |
0f113f3e MC |
4913 | goto err; |
4914 | } | |
4915 | ||
38b051a1 TM |
4916 | if (!SSL_set_session_id_context(ret, sc->sid_ctx, |
4917 | (int)sc->sid_ctx_length)) | |
69f68237 | 4918 | goto err; |
0f113f3e MC |
4919 | } |
4920 | ||
38b051a1 | 4921 | if (!ssl_dane_dup(retsc, sc)) |
9f6b22b8 | 4922 | goto err; |
38b051a1 TM |
4923 | retsc->version = sc->version; |
4924 | retsc->options = sc->options; | |
4925 | retsc->min_proto_version = sc->min_proto_version; | |
4926 | retsc->max_proto_version = sc->max_proto_version; | |
4927 | retsc->mode = sc->mode; | |
0f113f3e MC |
4928 | SSL_set_max_cert_list(ret, SSL_get_max_cert_list(s)); |
4929 | SSL_set_read_ahead(ret, SSL_get_read_ahead(s)); | |
38b051a1 TM |
4930 | retsc->msg_callback = sc->msg_callback; |
4931 | retsc->msg_callback_arg = sc->msg_callback_arg; | |
0f113f3e MC |
4932 | SSL_set_verify(ret, SSL_get_verify_mode(s), SSL_get_verify_callback(s)); |
4933 | SSL_set_verify_depth(ret, SSL_get_verify_depth(s)); | |
38b051a1 | 4934 | retsc->generate_session_id = sc->generate_session_id; |
0f113f3e MC |
4935 | |
4936 | SSL_set_info_callback(ret, SSL_get_info_callback(s)); | |
4937 | ||
0f113f3e MC |
4938 | /* copy app data, a little dangerous perhaps */ |
4939 | if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data)) | |
4940 | goto err; | |
4941 | ||
38b051a1 TM |
4942 | retsc->server = sc->server; |
4943 | if (sc->handshake_func) { | |
4944 | if (sc->server) | |
919ba009 VD |
4945 | SSL_set_accept_state(ret); |
4946 | else | |
4947 | SSL_set_connect_state(ret); | |
4948 | } | |
38b051a1 TM |
4949 | retsc->shutdown = sc->shutdown; |
4950 | retsc->hit = sc->hit; | |
0f113f3e | 4951 | |
38b051a1 TM |
4952 | retsc->default_passwd_callback = sc->default_passwd_callback; |
4953 | retsc->default_passwd_callback_userdata = sc->default_passwd_callback_userdata; | |
a974e64a | 4954 | |
38b051a1 | 4955 | X509_VERIFY_PARAM_inherit(retsc->param, sc->param); |
0f113f3e MC |
4956 | |
4957 | /* dup the cipher_list and cipher_list_by_id stacks */ | |
38b051a1 TM |
4958 | if (sc->cipher_list != NULL) { |
4959 | if ((retsc->cipher_list = sk_SSL_CIPHER_dup(sc->cipher_list)) == NULL) | |
0f113f3e MC |
4960 | goto err; |
4961 | } | |
38b051a1 TM |
4962 | if (sc->cipher_list_by_id != NULL) |
4963 | if ((retsc->cipher_list_by_id = sk_SSL_CIPHER_dup(sc->cipher_list_by_id)) | |
0f113f3e MC |
4964 | == NULL) |
4965 | goto err; | |
4966 | ||
4967 | /* Dup the client_CA list */ | |
38b051a1 TM |
4968 | if (!dup_ca_names(&retsc->ca_names, sc->ca_names) |
4969 | || !dup_ca_names(&retsc->client_ca_names, sc->client_ca_names)) | |
98732979 MC |
4970 | goto err; |
4971 | ||
66696478 | 4972 | return ret; |
0f113f3e | 4973 | |
0f113f3e | 4974 | err: |
66696478 RS |
4975 | SSL_free(ret); |
4976 | return NULL; | |
0f113f3e | 4977 | } |
d02b48c6 | 4978 | |
0821bcd4 | 4979 | X509 *SSL_get_certificate(const SSL *s) |
0f113f3e | 4980 | { |
38b051a1 TM |
4981 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4982 | ||
4983 | if (sc == NULL) | |
4984 | return NULL; | |
4985 | ||
4986 | if (sc->cert != NULL) | |
4987 | return sc->cert->key->x509; | |
0f113f3e | 4988 | else |
26a7d938 | 4989 | return NULL; |
0f113f3e | 4990 | } |
d02b48c6 | 4991 | |
a25f9adc | 4992 | EVP_PKEY *SSL_get_privatekey(const SSL *s) |
0f113f3e | 4993 | { |
38b051a1 TM |
4994 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
4995 | ||
4996 | if (sc == NULL) | |
4997 | return NULL; | |
4998 | ||
4999 | if (sc->cert != NULL) | |
5000 | return sc->cert->key->privatekey; | |
0f113f3e | 5001 | else |
26a7d938 | 5002 | return NULL; |
0f113f3e | 5003 | } |
d02b48c6 | 5004 | |
a25f9adc | 5005 | X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx) |
0f113f3e MC |
5006 | { |
5007 | if (ctx->cert != NULL) | |
5008 | return ctx->cert->key->x509; | |
5009 | else | |
5010 | return NULL; | |
5011 | } | |
a25f9adc DSH |
5012 | |
5013 | EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx) | |
0f113f3e MC |
5014 | { |
5015 | if (ctx->cert != NULL) | |
5016 | return ctx->cert->key->privatekey; | |
5017 | else | |
5018 | return NULL; | |
5019 | } | |
a25f9adc | 5020 | |
babb3798 | 5021 | const SSL_CIPHER *SSL_get_current_cipher(const SSL *s) |
0f113f3e | 5022 | { |
38b051a1 TM |
5023 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5024 | ||
5025 | if (sc == NULL) | |
5026 | return NULL; | |
5027 | ||
5028 | if ((sc->session != NULL) && (sc->session->cipher != NULL)) | |
5029 | return sc->session->cipher; | |
26a7d938 | 5030 | return NULL; |
0f113f3e MC |
5031 | } |
5032 | ||
0aed6e44 BK |
5033 | const SSL_CIPHER *SSL_get_pending_cipher(const SSL *s) |
5034 | { | |
38b051a1 TM |
5035 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5036 | ||
5037 | if (sc == NULL) | |
5038 | return NULL; | |
5039 | ||
5040 | return sc->s3.tmp.new_cipher; | |
0aed6e44 BK |
5041 | } |
5042 | ||
3499327b | 5043 | const COMP_METHOD *SSL_get_current_compression(const SSL *s) |
0f113f3e | 5044 | { |
9a555706 | 5045 | #ifndef OPENSSL_NO_COMP |
38b051a1 TM |
5046 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(s); |
5047 | ||
5048 | if (sc == NULL) | |
5049 | return NULL; | |
5050 | ||
1e76110b | 5051 | return sc->rlayer.wrlmethod->get_compression(sc->rlayer.wrl); |
9a555706 RS |
5052 | #else |
5053 | return NULL; | |
5054 | #endif | |
0f113f3e | 5055 | } |
377dcdba | 5056 | |
3499327b | 5057 | const COMP_METHOD *SSL_get_current_expansion(const SSL *s) |
0f113f3e | 5058 | { |
9a555706 | 5059 | #ifndef OPENSSL_NO_COMP |
38b051a1 TM |
5060 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(s); |
5061 | ||
5062 | if (sc == NULL) | |
5063 | return NULL; | |
5064 | ||
1e76110b | 5065 | return sc->rlayer.rrlmethod->get_compression(sc->rlayer.rrl); |
9a555706 RS |
5066 | #else |
5067 | return NULL; | |
0f113f3e | 5068 | #endif |
9a555706 | 5069 | } |
0f113f3e | 5070 | |
38b051a1 | 5071 | int ssl_init_wbio_buffer(SSL_CONNECTION *s) |
0f113f3e MC |
5072 | { |
5073 | BIO *bbio; | |
5074 | ||
2e7dc7cd MC |
5075 | if (s->bbio != NULL) { |
5076 | /* Already buffered. */ | |
5077 | return 1; | |
0f113f3e | 5078 | } |
46417569 | 5079 | |
2e7dc7cd | 5080 | bbio = BIO_new(BIO_f_buffer()); |
25d02f33 | 5081 | if (bbio == NULL || BIO_set_read_buffer_size(bbio, 1) <= 0) { |
2e7dc7cd | 5082 | BIO_free(bbio); |
6849b73c | 5083 | ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB); |
46417569 | 5084 | return 0; |
0f113f3e | 5085 | } |
2e7dc7cd MC |
5086 | s->bbio = bbio; |
5087 | s->wbio = BIO_push(bbio, s->wbio); | |
46417569 | 5088 | |
b5cf81f7 MC |
5089 | s->rlayer.wrlmethod->set1_bio(s->rlayer.wrl, s->wbio); |
5090 | ||
46417569 | 5091 | return 1; |
0f113f3e | 5092 | } |
413c4f45 | 5093 | |
38b051a1 | 5094 | int ssl_free_wbio_buffer(SSL_CONNECTION *s) |
0f113f3e | 5095 | { |
62adbcee | 5096 | /* callers ensure s is never null */ |
0f113f3e | 5097 | if (s->bbio == NULL) |
b77f3ed1 | 5098 | return 1; |
0f113f3e | 5099 | |
2e7dc7cd | 5100 | s->wbio = BIO_pop(s->wbio); |
b5cf81f7 MC |
5101 | s->rlayer.wrlmethod->set1_bio(s->rlayer.wrl, s->wbio); |
5102 | ||
0f113f3e MC |
5103 | BIO_free(s->bbio); |
5104 | s->bbio = NULL; | |
b77f3ed1 MC |
5105 | |
5106 | return 1; | |
0f113f3e MC |
5107 | } |
5108 | ||
5109 | void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode) | |
5110 | { | |
5111 | ctx->quiet_shutdown = mode; | |
5112 | } | |
58964a49 | 5113 | |
0821bcd4 | 5114 | int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx) |
0f113f3e | 5115 | { |
26a7d938 | 5116 | return ctx->quiet_shutdown; |
0f113f3e | 5117 | } |
58964a49 | 5118 | |
0f113f3e MC |
5119 | void SSL_set_quiet_shutdown(SSL *s, int mode) |
5120 | { | |
38b051a1 TM |
5121 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
5122 | ||
f66f0d3c | 5123 | /* TODO(QUIC): Currently not supported for QUIC. */ |
38b051a1 TM |
5124 | if (sc == NULL) |
5125 | return; | |
5126 | ||
5127 | sc->quiet_shutdown = mode; | |
0f113f3e | 5128 | } |
58964a49 | 5129 | |
0821bcd4 | 5130 | int SSL_get_quiet_shutdown(const SSL *s) |
0f113f3e | 5131 | { |
38b051a1 TM |
5132 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(s); |
5133 | ||
f66f0d3c | 5134 | /* TODO(QUIC): Currently not supported for QUIC. */ |
38b051a1 TM |
5135 | if (sc == NULL) |
5136 | return 0; | |
5137 | ||
5138 | return sc->quiet_shutdown; | |
0f113f3e | 5139 | } |
58964a49 | 5140 | |
0f113f3e MC |
5141 | void SSL_set_shutdown(SSL *s, int mode) |
5142 | { | |
38b051a1 TM |
5143 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
5144 | ||
5145 | /* TODO(QUIC): Do we want this for QUIC? */ | |
5146 | if (sc == NULL) | |
5147 | return; | |
5148 | ||
5149 | sc->shutdown = mode; | |
0f113f3e | 5150 | } |
58964a49 | 5151 | |
0821bcd4 | 5152 | int SSL_get_shutdown(const SSL *s) |
0f113f3e | 5153 | { |
38b051a1 TM |
5154 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(s); |
5155 | ||
5156 | /* TODO(QUIC): Do we want this for QUIC? */ | |
5157 | if (sc == NULL) | |
5158 | return 0; | |
5159 | ||
5160 | return sc->shutdown; | |
0f113f3e | 5161 | } |
58964a49 | 5162 | |
0821bcd4 | 5163 | int SSL_version(const SSL *s) |
0f113f3e | 5164 | { |
38b051a1 TM |
5165 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5166 | ||
50769b15 MC |
5167 | #ifndef OPENSSL_NO_QUIC |
5168 | /* We only support QUICv1 - so if its QUIC its QUICv1 */ | |
f8636c7e | 5169 | if (s->type == SSL_TYPE_QUIC_CONNECTION || s->type == SSL_TYPE_QUIC_XSO) |
50769b15 MC |
5170 | return OSSL_QUIC1_VERSION; |
5171 | #endif | |
38b051a1 TM |
5172 | /* TODO(QUIC): Do we want to report QUIC version this way instead? */ |
5173 | if (sc == NULL) | |
5174 | return 0; | |
5175 | ||
5176 | return sc->version; | |
6546e9b2 AG |
5177 | } |
5178 | ||
5179 | int SSL_client_version(const SSL *s) | |
5180 | { | |
38b051a1 TM |
5181 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5182 | ||
5183 | /* TODO(QUIC): Do we want to report QUIC version this way instead? */ | |
5184 | if (sc == NULL) | |
5185 | return 0; | |
5186 | ||
5187 | return sc->client_version; | |
0f113f3e | 5188 | } |
58964a49 | 5189 | |
0821bcd4 | 5190 | SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl) |
0f113f3e | 5191 | { |
6546e9b2 | 5192 | return ssl->ctx; |
0f113f3e MC |
5193 | } |
5194 | ||
5195 | SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx) | |
5196 | { | |
24a0d393 | 5197 | CERT *new_cert; |
38b051a1 TM |
5198 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(ssl); |
5199 | ||
5200 | /* TODO(QUIC): Do we need this for QUIC support? */ | |
5201 | if (sc == NULL) | |
5202 | return NULL; | |
5203 | ||
0f113f3e MC |
5204 | if (ssl->ctx == ctx) |
5205 | return ssl->ctx; | |
0f113f3e | 5206 | if (ctx == NULL) |
38b051a1 | 5207 | ctx = sc->session_ctx; |
24a0d393 KR |
5208 | new_cert = ssl_cert_dup(ctx->cert); |
5209 | if (new_cert == NULL) { | |
5210 | return NULL; | |
0f113f3e | 5211 | } |
21181889 | 5212 | |
38b051a1 | 5213 | if (!custom_exts_copy_flags(&new_cert->custext, &sc->cert->custext)) { |
21181889 MC |
5214 | ssl_cert_free(new_cert); |
5215 | return NULL; | |
5216 | } | |
5217 | ||
38b051a1 TM |
5218 | ssl_cert_free(sc->cert); |
5219 | sc->cert = new_cert; | |
0f113f3e MC |
5220 | |
5221 | /* | |
5222 | * Program invariant: |sid_ctx| has fixed size (SSL_MAX_SID_CTX_LENGTH), | |
5223 | * so setter APIs must prevent invalid lengths from entering the system. | |
5224 | */ | |
38b051a1 | 5225 | if (!ossl_assert(sc->sid_ctx_length <= sizeof(sc->sid_ctx))) |
380a522f | 5226 | return NULL; |
0f113f3e MC |
5227 | |
5228 | /* | |
5229 | * If the session ID context matches that of the parent SSL_CTX, | |
5230 | * inherit it from the new SSL_CTX as well. If however the context does | |
5231 | * not match (i.e., it was set per-ssl with SSL_set_session_id_context), | |
5232 | * leave it unchanged. | |
5233 | */ | |
5234 | if ((ssl->ctx != NULL) && | |
38b051a1 TM |
5235 | (sc->sid_ctx_length == ssl->ctx->sid_ctx_length) && |
5236 | (memcmp(sc->sid_ctx, ssl->ctx->sid_ctx, sc->sid_ctx_length) == 0)) { | |
5237 | sc->sid_ctx_length = ctx->sid_ctx_length; | |
5238 | memcpy(&sc->sid_ctx, &ctx->sid_ctx, sizeof(sc->sid_ctx)); | |
0f113f3e MC |
5239 | } |
5240 | ||
16203f7b | 5241 | SSL_CTX_up_ref(ctx); |
a230b26e | 5242 | SSL_CTX_free(ssl->ctx); /* decrement reference count */ |
0f113f3e MC |
5243 | ssl->ctx = ctx; |
5244 | ||
16203f7b | 5245 | return ssl->ctx; |
0f113f3e | 5246 | } |
ed3883d2 | 5247 | |
4f43d0e7 | 5248 | int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx) |
0f113f3e | 5249 | { |
d8652be0 MC |
5250 | return X509_STORE_set_default_paths_ex(ctx->cert_store, ctx->libctx, |
5251 | ctx->propq); | |
0f113f3e | 5252 | } |
58964a49 | 5253 | |
d84a7b20 MC |
5254 | int SSL_CTX_set_default_verify_dir(SSL_CTX *ctx) |
5255 | { | |
5256 | X509_LOOKUP *lookup; | |
5257 | ||
5258 | lookup = X509_STORE_add_lookup(ctx->cert_store, X509_LOOKUP_hash_dir()); | |
5259 | if (lookup == NULL) | |
5260 | return 0; | |
6dcb100f RL |
5261 | |
5262 | /* We ignore errors, in case the directory doesn't exist */ | |
5263 | ERR_set_mark(); | |
5264 | ||
d84a7b20 MC |
5265 | X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT); |
5266 | ||
6dcb100f | 5267 | ERR_pop_to_mark(); |
d84a7b20 MC |
5268 | |
5269 | return 1; | |
5270 | } | |
5271 | ||
5272 | int SSL_CTX_set_default_verify_file(SSL_CTX *ctx) | |
5273 | { | |
5274 | X509_LOOKUP *lookup; | |
5275 | ||
5276 | lookup = X509_STORE_add_lookup(ctx->cert_store, X509_LOOKUP_file()); | |
5277 | if (lookup == NULL) | |
5278 | return 0; | |
5279 | ||
492bc359 | 5280 | /* We ignore errors, in case the file doesn't exist */ |
6dcb100f RL |
5281 | ERR_set_mark(); |
5282 | ||
d8652be0 MC |
5283 | X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT, ctx->libctx, |
5284 | ctx->propq); | |
d84a7b20 | 5285 | |
6dcb100f RL |
5286 | ERR_pop_to_mark(); |
5287 | ||
5288 | return 1; | |
5289 | } | |
5290 | ||
5291 | int SSL_CTX_set_default_verify_store(SSL_CTX *ctx) | |
5292 | { | |
5293 | X509_LOOKUP *lookup; | |
5294 | ||
5295 | lookup = X509_STORE_add_lookup(ctx->cert_store, X509_LOOKUP_store()); | |
5296 | if (lookup == NULL) | |
5297 | return 0; | |
5298 | ||
5299 | /* We ignore errors, in case the directory doesn't exist */ | |
5300 | ERR_set_mark(); | |
5301 | ||
d8652be0 | 5302 | X509_LOOKUP_add_store_ex(lookup, NULL, ctx->libctx, ctx->propq); |
6dcb100f RL |
5303 | |
5304 | ERR_pop_to_mark(); | |
d84a7b20 MC |
5305 | |
5306 | return 1; | |
5307 | } | |
5308 | ||
6dcb100f RL |
5309 | int SSL_CTX_load_verify_file(SSL_CTX *ctx, const char *CAfile) |
5310 | { | |
d8652be0 MC |
5311 | return X509_STORE_load_file_ex(ctx->cert_store, CAfile, ctx->libctx, |
5312 | ctx->propq); | |
6dcb100f RL |
5313 | } |
5314 | ||
5315 | int SSL_CTX_load_verify_dir(SSL_CTX *ctx, const char *CApath) | |
5316 | { | |
5317 | return X509_STORE_load_path(ctx->cert_store, CApath); | |
5318 | } | |
5319 | ||
5320 | int SSL_CTX_load_verify_store(SSL_CTX *ctx, const char *CAstore) | |
5321 | { | |
d8652be0 MC |
5322 | return X509_STORE_load_store_ex(ctx->cert_store, CAstore, ctx->libctx, |
5323 | ctx->propq); | |
6dcb100f RL |
5324 | } |
5325 | ||
303c0028 | 5326 | int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile, |
0f113f3e MC |
5327 | const char *CApath) |
5328 | { | |
6dcb100f RL |
5329 | if (CAfile == NULL && CApath == NULL) |
5330 | return 0; | |
5331 | if (CAfile != NULL && !SSL_CTX_load_verify_file(ctx, CAfile)) | |
5332 | return 0; | |
5333 | if (CApath != NULL && !SSL_CTX_load_verify_dir(ctx, CApath)) | |
5334 | return 0; | |
5335 | return 1; | |
0f113f3e | 5336 | } |
58964a49 | 5337 | |
45d87a1f | 5338 | void SSL_set_info_callback(SSL *ssl, |
0f113f3e MC |
5339 | void (*cb) (const SSL *ssl, int type, int val)) |
5340 | { | |
38b051a1 TM |
5341 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
5342 | ||
5343 | if (sc == NULL) | |
5344 | return; | |
5345 | ||
5346 | sc->info_callback = cb; | |
0f113f3e MC |
5347 | } |
5348 | ||
5349 | /* | |
5350 | * One compiler (Diab DCC) doesn't like argument names in returned function | |
5351 | * pointer. | |
5352 | */ | |
5353 | void (*SSL_get_info_callback(const SSL *ssl)) (const SSL * /* ssl */ , | |
5354 | int /* type */ , | |
5355 | int /* val */ ) { | |
38b051a1 TM |
5356 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl); |
5357 | ||
5358 | if (sc == NULL) | |
5359 | return NULL; | |
5360 | ||
5361 | return sc->info_callback; | |
0f113f3e | 5362 | } |
58964a49 | 5363 | |
0f113f3e MC |
5364 | void SSL_set_verify_result(SSL *ssl, long arg) |
5365 | { | |
38b051a1 TM |
5366 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
5367 | ||
5368 | if (sc == NULL) | |
5369 | return; | |
5370 | ||
5371 | sc->verify_result = arg; | |
0f113f3e | 5372 | } |
58964a49 | 5373 | |
0821bcd4 | 5374 | long SSL_get_verify_result(const SSL *ssl) |
0f113f3e | 5375 | { |
38b051a1 TM |
5376 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl); |
5377 | ||
5378 | if (sc == NULL) | |
5379 | return 0; | |
5380 | ||
5381 | return sc->verify_result; | |
0f113f3e MC |
5382 | } |
5383 | ||
d9f1c639 | 5384 | size_t SSL_get_client_random(const SSL *ssl, unsigned char *out, size_t outlen) |
858618e7 | 5385 | { |
38b051a1 TM |
5386 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl); |
5387 | ||
5388 | if (sc == NULL) | |
5389 | return 0; | |
5390 | ||
6b8f5d0d | 5391 | if (outlen == 0) |
38b051a1 TM |
5392 | return sizeof(sc->s3.client_random); |
5393 | if (outlen > sizeof(sc->s3.client_random)) | |
5394 | outlen = sizeof(sc->s3.client_random); | |
5395 | memcpy(out, sc->s3.client_random, outlen); | |
d9f1c639 | 5396 | return outlen; |
858618e7 NM |
5397 | } |
5398 | ||
d9f1c639 | 5399 | size_t SSL_get_server_random(const SSL *ssl, unsigned char *out, size_t outlen) |
858618e7 | 5400 | { |
38b051a1 TM |
5401 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl); |
5402 | ||
5403 | if (sc == NULL) | |
5404 | return 0; | |
5405 | ||
6b8f5d0d | 5406 | if (outlen == 0) |
38b051a1 TM |
5407 | return sizeof(sc->s3.server_random); |
5408 | if (outlen > sizeof(sc->s3.server_random)) | |
5409 | outlen = sizeof(sc->s3.server_random); | |
5410 | memcpy(out, sc->s3.server_random, outlen); | |
d9f1c639 | 5411 | return outlen; |
858618e7 NM |
5412 | } |
5413 | ||
d9f1c639 | 5414 | size_t SSL_SESSION_get_master_key(const SSL_SESSION *session, |
a230b26e | 5415 | unsigned char *out, size_t outlen) |
858618e7 | 5416 | { |
d9f1c639 MC |
5417 | if (outlen == 0) |
5418 | return session->master_key_length; | |
8c1a5343 | 5419 | if (outlen > session->master_key_length) |
858618e7 NM |
5420 | outlen = session->master_key_length; |
5421 | memcpy(out, session->master_key, outlen); | |
d9f1c639 | 5422 | return outlen; |
858618e7 NM |
5423 | } |
5424 | ||
725b0f1e | 5425 | int SSL_SESSION_set1_master_key(SSL_SESSION *sess, const unsigned char *in, |
911d63f2 MC |
5426 | size_t len) |
5427 | { | |
5428 | if (len > sizeof(sess->master_key)) | |
5429 | return 0; | |
5430 | ||
5431 | memcpy(sess->master_key, in, len); | |
5432 | sess->master_key_length = len; | |
911d63f2 MC |
5433 | return 1; |
5434 | } | |
5435 | ||
5436 | ||
0f113f3e MC |
5437 | int SSL_set_ex_data(SSL *s, int idx, void *arg) |
5438 | { | |
26a7d938 | 5439 | return CRYPTO_set_ex_data(&s->ex_data, idx, arg); |
0f113f3e MC |
5440 | } |
5441 | ||
5442 | void *SSL_get_ex_data(const SSL *s, int idx) | |
5443 | { | |
26a7d938 | 5444 | return CRYPTO_get_ex_data(&s->ex_data, idx); |
0f113f3e MC |
5445 | } |
5446 | ||
0f113f3e MC |
5447 | int SSL_CTX_set_ex_data(SSL_CTX *s, int idx, void *arg) |
5448 | { | |
26a7d938 | 5449 | return CRYPTO_set_ex_data(&s->ex_data, idx, arg); |
0f113f3e MC |
5450 | } |
5451 | ||
5452 | void *SSL_CTX_get_ex_data(const SSL_CTX *s, int idx) | |
5453 | { | |
26a7d938 | 5454 | return CRYPTO_get_ex_data(&s->ex_data, idx); |
0f113f3e | 5455 | } |
58964a49 | 5456 | |
0821bcd4 | 5457 | X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx) |
0f113f3e | 5458 | { |
26a7d938 | 5459 | return ctx->cert_store; |
0f113f3e | 5460 | } |
413c4f45 | 5461 | |
0f113f3e MC |
5462 | void SSL_CTX_set_cert_store(SSL_CTX *ctx, X509_STORE *store) |
5463 | { | |
222561fe | 5464 | X509_STORE_free(ctx->cert_store); |
0f113f3e MC |
5465 | ctx->cert_store = store; |
5466 | } | |
413c4f45 | 5467 | |
b50052db TS |
5468 | void SSL_CTX_set1_cert_store(SSL_CTX *ctx, X509_STORE *store) |
5469 | { | |
5470 | if (store != NULL) | |
5471 | X509_STORE_up_ref(store); | |
5472 | SSL_CTX_set_cert_store(ctx, store); | |
5473 | } | |
5474 | ||
0821bcd4 | 5475 | int SSL_want(const SSL *s) |
0f113f3e | 5476 | { |
38b051a1 TM |
5477 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5478 | ||
5479 | if (sc == NULL) | |
5480 | return SSL_NOTHING; | |
5481 | ||
5482 | return sc->rwstate; | |
0f113f3e | 5483 | } |
413c4f45 | 5484 | |
ddac1974 NL |
5485 | #ifndef OPENSSL_NO_PSK |
5486 | int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint) | |
0f113f3e MC |
5487 | { |
5488 | if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) { | |
6849b73c | 5489 | ERR_raise(ERR_LIB_SSL, SSL_R_DATA_LENGTH_TOO_LONG); |
0f113f3e MC |
5490 | return 0; |
5491 | } | |
df6da24b | 5492 | OPENSSL_free(ctx->cert->psk_identity_hint); |
0f113f3e | 5493 | if (identity_hint != NULL) { |
7644a9ae | 5494 | ctx->cert->psk_identity_hint = OPENSSL_strdup(identity_hint); |
df6da24b | 5495 | if (ctx->cert->psk_identity_hint == NULL) |
0f113f3e MC |
5496 | return 0; |
5497 | } else | |
df6da24b | 5498 | ctx->cert->psk_identity_hint = NULL; |
0f113f3e MC |
5499 | return 1; |
5500 | } | |
ddac1974 NL |
5501 | |
5502 | int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint) | |
0f113f3e | 5503 | { |
38b051a1 TM |
5504 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5505 | ||
5506 | if (sc == NULL) | |
0f113f3e MC |
5507 | return 0; |
5508 | ||
0f113f3e | 5509 | if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) { |
6849b73c | 5510 | ERR_raise(ERR_LIB_SSL, SSL_R_DATA_LENGTH_TOO_LONG); |
0f113f3e MC |
5511 | return 0; |
5512 | } | |
38b051a1 | 5513 | OPENSSL_free(sc->cert->psk_identity_hint); |
0f113f3e | 5514 | if (identity_hint != NULL) { |
38b051a1 TM |
5515 | sc->cert->psk_identity_hint = OPENSSL_strdup(identity_hint); |
5516 | if (sc->cert->psk_identity_hint == NULL) | |
0f113f3e MC |
5517 | return 0; |
5518 | } else | |
38b051a1 | 5519 | sc->cert->psk_identity_hint = NULL; |
0f113f3e MC |
5520 | return 1; |
5521 | } | |
ddac1974 NL |
5522 | |
5523 | const char *SSL_get_psk_identity_hint(const SSL *s) | |
0f113f3e | 5524 | { |
38b051a1 TM |
5525 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5526 | ||
5527 | if (sc == NULL || sc->session == NULL) | |
0f113f3e | 5528 | return NULL; |
38b051a1 TM |
5529 | |
5530 | return sc->session->psk_identity_hint; | |
0f113f3e | 5531 | } |
ddac1974 NL |
5532 | |
5533 | const char *SSL_get_psk_identity(const SSL *s) | |
0f113f3e | 5534 | { |
38b051a1 TM |
5535 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5536 | ||
5537 | if (sc == NULL || sc->session == NULL) | |
0f113f3e | 5538 | return NULL; |
38b051a1 TM |
5539 | |
5540 | return sc->session->psk_identity; | |
0f113f3e | 5541 | } |
7806f3dd | 5542 | |
8cbfcc70 | 5543 | void SSL_set_psk_client_callback(SSL *s, SSL_psk_client_cb_func cb) |
0f113f3e | 5544 | { |
38b051a1 TM |
5545 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5546 | ||
5547 | if (sc == NULL) | |
5548 | return; | |
5549 | ||
5550 | sc->psk_client_callback = cb; | |
0f113f3e | 5551 | } |
7806f3dd | 5552 | |
8cbfcc70 | 5553 | void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx, SSL_psk_client_cb_func cb) |
0f113f3e MC |
5554 | { |
5555 | ctx->psk_client_callback = cb; | |
5556 | } | |
7806f3dd | 5557 | |
8cbfcc70 | 5558 | void SSL_set_psk_server_callback(SSL *s, SSL_psk_server_cb_func cb) |
0f113f3e | 5559 | { |
38b051a1 TM |
5560 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5561 | ||
5562 | if (sc == NULL) | |
5563 | return; | |
5564 | ||
5565 | sc->psk_server_callback = cb; | |
0f113f3e | 5566 | } |
7806f3dd | 5567 | |
8cbfcc70 | 5568 | void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx, SSL_psk_server_cb_func cb) |
0f113f3e MC |
5569 | { |
5570 | ctx->psk_server_callback = cb; | |
5571 | } | |
5572 | #endif | |
5573 | ||
f46184bd MC |
5574 | void SSL_set_psk_find_session_callback(SSL *s, SSL_psk_find_session_cb_func cb) |
5575 | { | |
38b051a1 TM |
5576 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5577 | ||
5578 | if (sc == NULL) | |
5579 | return; | |
5580 | ||
5581 | sc->psk_find_session_cb = cb; | |
f46184bd MC |
5582 | } |
5583 | ||
5584 | void SSL_CTX_set_psk_find_session_callback(SSL_CTX *ctx, | |
5585 | SSL_psk_find_session_cb_func cb) | |
5586 | { | |
5587 | ctx->psk_find_session_cb = cb; | |
5588 | } | |
5589 | ||
5590 | void SSL_set_psk_use_session_callback(SSL *s, SSL_psk_use_session_cb_func cb) | |
5591 | { | |
38b051a1 TM |
5592 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5593 | ||
5594 | if (sc == NULL) | |
5595 | return; | |
5596 | ||
5597 | sc->psk_use_session_cb = cb; | |
f46184bd MC |
5598 | } |
5599 | ||
5600 | void SSL_CTX_set_psk_use_session_callback(SSL_CTX *ctx, | |
5601 | SSL_psk_use_session_cb_func cb) | |
5602 | { | |
5603 | ctx->psk_use_session_cb = cb; | |
5604 | } | |
5605 | ||
0f113f3e MC |
5606 | void SSL_CTX_set_msg_callback(SSL_CTX *ctx, |
5607 | void (*cb) (int write_p, int version, | |
5608 | int content_type, const void *buf, | |
5609 | size_t len, SSL *ssl, void *arg)) | |
5610 | { | |
5611 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb); | |
5612 | } | |
5613 | ||
5614 | void SSL_set_msg_callback(SSL *ssl, | |
5615 | void (*cb) (int write_p, int version, | |
5616 | int content_type, const void *buf, | |
5617 | size_t len, SSL *ssl, void *arg)) | |
5618 | { | |
5619 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb); | |
5620 | } | |
a661b653 | 5621 | |
7c2d4fee | 5622 | void SSL_CTX_set_not_resumable_session_callback(SSL_CTX *ctx, |
0f113f3e MC |
5623 | int (*cb) (SSL *ssl, |
5624 | int | |
5625 | is_forward_secure)) | |
5626 | { | |
5627 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB, | |
5628 | (void (*)(void))cb); | |
5629 | } | |
5630 | ||
7c2d4fee | 5631 | void SSL_set_not_resumable_session_callback(SSL *ssl, |
0f113f3e MC |
5632 | int (*cb) (SSL *ssl, |
5633 | int is_forward_secure)) | |
5634 | { | |
5635 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB, | |
5636 | (void (*)(void))cb); | |
5637 | } | |
5638 | ||
c649d10d TS |
5639 | void SSL_CTX_set_record_padding_callback(SSL_CTX *ctx, |
5640 | size_t (*cb) (SSL *ssl, int type, | |
5641 | size_t len, void *arg)) | |
5642 | { | |
5643 | ctx->record_padding_cb = cb; | |
5644 | } | |
5645 | ||
5646 | void SSL_CTX_set_record_padding_callback_arg(SSL_CTX *ctx, void *arg) | |
5647 | { | |
5648 | ctx->record_padding_arg = arg; | |
5649 | } | |
5650 | ||
3499327b | 5651 | void *SSL_CTX_get_record_padding_callback_arg(const SSL_CTX *ctx) |
c649d10d TS |
5652 | { |
5653 | return ctx->record_padding_arg; | |
5654 | } | |
5655 | ||
5656 | int SSL_CTX_set_block_padding(SSL_CTX *ctx, size_t block_size) | |
5657 | { | |
6e5550a1 HL |
5658 | if (IS_QUIC_CTX(ctx) && block_size > 1) |
5659 | return 0; | |
5660 | ||
c649d10d TS |
5661 | /* block size of 0 or 1 is basically no padding */ |
5662 | if (block_size == 1) | |
5663 | ctx->block_padding = 0; | |
5664 | else if (block_size <= SSL3_RT_MAX_PLAIN_LENGTH) | |
5665 | ctx->block_padding = block_size; | |
5666 | else | |
5667 | return 0; | |
5668 | return 1; | |
5669 | } | |
5670 | ||
a6d36303 | 5671 | int SSL_set_record_padding_callback(SSL *ssl, |
c649d10d TS |
5672 | size_t (*cb) (SSL *ssl, int type, |
5673 | size_t len, void *arg)) | |
5674 | { | |
a6d36303 | 5675 | BIO *b; |
38b051a1 TM |
5676 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
5677 | ||
d6e7ebba | 5678 | if (sc == NULL || IS_QUIC(ssl)) |
38b051a1 | 5679 | return 0; |
a6d36303 VF |
5680 | |
5681 | b = SSL_get_wbio(ssl); | |
5682 | if (b == NULL || !BIO_get_ktls_send(b)) { | |
eb7d6c2a | 5683 | sc->rlayer.record_padding_cb = cb; |
a6d36303 VF |
5684 | return 1; |
5685 | } | |
5686 | return 0; | |
c649d10d TS |
5687 | } |
5688 | ||
5689 | void SSL_set_record_padding_callback_arg(SSL *ssl, void *arg) | |
5690 | { | |
38b051a1 TM |
5691 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
5692 | ||
5693 | if (sc == NULL) | |
5694 | return; | |
5695 | ||
eb7d6c2a | 5696 | sc->rlayer.record_padding_arg = arg; |
c649d10d TS |
5697 | } |
5698 | ||
3499327b | 5699 | void *SSL_get_record_padding_callback_arg(const SSL *ssl) |
c649d10d | 5700 | { |
38b051a1 TM |
5701 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl); |
5702 | ||
5703 | if (sc == NULL) | |
5704 | return NULL; | |
5705 | ||
eb7d6c2a | 5706 | return sc->rlayer.record_padding_arg; |
c649d10d TS |
5707 | } |
5708 | ||
5709 | int SSL_set_block_padding(SSL *ssl, size_t block_size) | |
5710 | { | |
38b051a1 TM |
5711 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
5712 | ||
d6e7ebba | 5713 | if (sc == NULL || (IS_QUIC(ssl) && block_size > 1)) |
38b051a1 TM |
5714 | return 0; |
5715 | ||
c649d10d TS |
5716 | /* block size of 0 or 1 is basically no padding */ |
5717 | if (block_size == 1) | |
eb7d6c2a | 5718 | sc->rlayer.block_padding = 0; |
c649d10d | 5719 | else if (block_size <= SSL3_RT_MAX_PLAIN_LENGTH) |
eb7d6c2a | 5720 | sc->rlayer.block_padding = block_size; |
c649d10d TS |
5721 | else |
5722 | return 0; | |
5723 | return 1; | |
5724 | } | |
5725 | ||
9d0a8bb7 MC |
5726 | int SSL_set_num_tickets(SSL *s, size_t num_tickets) |
5727 | { | |
38b051a1 TM |
5728 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5729 | ||
5730 | if (sc == NULL) | |
5731 | return 0; | |
5732 | ||
5733 | sc->num_tickets = num_tickets; | |
9d0a8bb7 MC |
5734 | |
5735 | return 1; | |
5736 | } | |
5737 | ||
3499327b | 5738 | size_t SSL_get_num_tickets(const SSL *s) |
9d0a8bb7 | 5739 | { |
38b051a1 TM |
5740 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5741 | ||
5742 | if (sc == NULL) | |
5743 | return 0; | |
5744 | ||
5745 | return sc->num_tickets; | |
9d0a8bb7 MC |
5746 | } |
5747 | ||
5748 | int SSL_CTX_set_num_tickets(SSL_CTX *ctx, size_t num_tickets) | |
5749 | { | |
5750 | ctx->num_tickets = num_tickets; | |
5751 | ||
5752 | return 1; | |
5753 | } | |
5754 | ||
3499327b | 5755 | size_t SSL_CTX_get_num_tickets(const SSL_CTX *ctx) |
9d0a8bb7 MC |
5756 | { |
5757 | return ctx->num_tickets; | |
5758 | } | |
5759 | ||
48fbcbac | 5760 | /* Retrieve handshake hashes */ |
38b051a1 TM |
5761 | int ssl_handshake_hash(SSL_CONNECTION *s, |
5762 | unsigned char *out, size_t outlen, | |
8c1a5343 | 5763 | size_t *hashlen) |
48fbcbac | 5764 | { |
6e59a892 | 5765 | EVP_MD_CTX *ctx = NULL; |
555cbb32 | 5766 | EVP_MD_CTX *hdgst = s->s3.handshake_dgst; |
ed576acd | 5767 | int hashleni = EVP_MD_CTX_get_size(hdgst); |
8c1a5343 MC |
5768 | int ret = 0; |
5769 | ||
f63a17d6 | 5770 | if (hashleni < 0 || (size_t)hashleni > outlen) { |
c48ffbcc | 5771 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); |
28ba2541 | 5772 | goto err; |
f63a17d6 | 5773 | } |
8c1a5343 | 5774 | |
bfb0641f | 5775 | ctx = EVP_MD_CTX_new(); |
147ed5f9 TL |
5776 | if (ctx == NULL) { |
5777 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); | |
6e59a892 | 5778 | goto err; |
147ed5f9 | 5779 | } |
8c1a5343 | 5780 | |
6e59a892 | 5781 | if (!EVP_MD_CTX_copy_ex(ctx, hdgst) |
f63a17d6 | 5782 | || EVP_DigestFinal_ex(ctx, out, NULL) <= 0) { |
c48ffbcc | 5783 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); |
8c1a5343 | 5784 | goto err; |
f63a17d6 | 5785 | } |
8c1a5343 MC |
5786 | |
5787 | *hashlen = hashleni; | |
5788 | ||
5789 | ret = 1; | |
48fbcbac | 5790 | err: |
bfb0641f | 5791 | EVP_MD_CTX_free(ctx); |
48fbcbac DSH |
5792 | return ret; |
5793 | } | |
5794 | ||
c04b66b1 | 5795 | int SSL_session_reused(const SSL *s) |
0f113f3e | 5796 | { |
38b051a1 TM |
5797 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5798 | ||
5799 | if (sc == NULL) | |
5800 | return 0; | |
5801 | ||
5802 | return sc->hit; | |
0f113f3e | 5803 | } |
08557cf2 | 5804 | |
69443116 | 5805 | int SSL_is_server(const SSL *s) |
0f113f3e | 5806 | { |
38b051a1 TM |
5807 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5808 | ||
5809 | if (sc == NULL) | |
5810 | return 0; | |
5811 | ||
5812 | return sc->server; | |
0f113f3e | 5813 | } |
87adf1fa | 5814 | |
00db8c60 | 5815 | #ifndef OPENSSL_NO_DEPRECATED_1_1_0 |
47153c72 RS |
5816 | void SSL_set_debug(SSL *s, int debug) |
5817 | { | |
5818 | /* Old function was do-nothing anyway... */ | |
5819 | (void)s; | |
5820 | (void)debug; | |
5821 | } | |
5822 | #endif | |
5823 | ||
b362ccab | 5824 | void SSL_set_security_level(SSL *s, int level) |
0f113f3e | 5825 | { |
38b051a1 TM |
5826 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5827 | ||
5828 | if (sc == NULL) | |
5829 | return; | |
5830 | ||
5831 | sc->cert->sec_level = level; | |
0f113f3e | 5832 | } |
b362ccab DSH |
5833 | |
5834 | int SSL_get_security_level(const SSL *s) | |
0f113f3e | 5835 | { |
38b051a1 TM |
5836 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5837 | ||
5838 | if (sc == NULL) | |
5839 | return 0; | |
5840 | ||
5841 | return sc->cert->sec_level; | |
0f113f3e | 5842 | } |
b362ccab | 5843 | |
0f113f3e | 5844 | void SSL_set_security_callback(SSL *s, |
a230b26e EK |
5845 | int (*cb) (const SSL *s, const SSL_CTX *ctx, |
5846 | int op, int bits, int nid, | |
5847 | void *other, void *ex)) | |
0f113f3e | 5848 | { |
38b051a1 TM |
5849 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5850 | ||
5851 | if (sc == NULL) | |
5852 | return; | |
5853 | ||
5854 | sc->cert->sec_cb = cb; | |
0f113f3e | 5855 | } |
b362ccab | 5856 | |
a230b26e EK |
5857 | int (*SSL_get_security_callback(const SSL *s)) (const SSL *s, |
5858 | const SSL_CTX *ctx, int op, | |
5859 | int bits, int nid, void *other, | |
5860 | void *ex) { | |
38b051a1 TM |
5861 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5862 | ||
5863 | if (sc == NULL) | |
5864 | return NULL; | |
5865 | ||
5866 | return sc->cert->sec_cb; | |
0f113f3e | 5867 | } |
b362ccab DSH |
5868 | |
5869 | void SSL_set0_security_ex_data(SSL *s, void *ex) | |
0f113f3e | 5870 | { |
38b051a1 TM |
5871 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5872 | ||
5873 | if (sc == NULL) | |
5874 | return; | |
5875 | ||
5876 | sc->cert->sec_ex = ex; | |
0f113f3e | 5877 | } |
b362ccab DSH |
5878 | |
5879 | void *SSL_get0_security_ex_data(const SSL *s) | |
0f113f3e | 5880 | { |
38b051a1 TM |
5881 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5882 | ||
5883 | if (sc == NULL) | |
5884 | return NULL; | |
5885 | ||
5886 | return sc->cert->sec_ex; | |
0f113f3e | 5887 | } |
b362ccab DSH |
5888 | |
5889 | void SSL_CTX_set_security_level(SSL_CTX *ctx, int level) | |
0f113f3e MC |
5890 | { |
5891 | ctx->cert->sec_level = level; | |
5892 | } | |
b362ccab DSH |
5893 | |
5894 | int SSL_CTX_get_security_level(const SSL_CTX *ctx) | |
0f113f3e MC |
5895 | { |
5896 | return ctx->cert->sec_level; | |
5897 | } | |
b362ccab | 5898 | |
0f113f3e | 5899 | void SSL_CTX_set_security_callback(SSL_CTX *ctx, |
a230b26e EK |
5900 | int (*cb) (const SSL *s, const SSL_CTX *ctx, |
5901 | int op, int bits, int nid, | |
5902 | void *other, void *ex)) | |
0f113f3e MC |
5903 | { |
5904 | ctx->cert->sec_cb = cb; | |
5905 | } | |
b362ccab | 5906 | |
e4646a89 KR |
5907 | int (*SSL_CTX_get_security_callback(const SSL_CTX *ctx)) (const SSL *s, |
5908 | const SSL_CTX *ctx, | |
0f113f3e MC |
5909 | int op, int bits, |
5910 | int nid, | |
5911 | void *other, | |
5912 | void *ex) { | |
5913 | return ctx->cert->sec_cb; | |
5914 | } | |
b362ccab DSH |
5915 | |
5916 | void SSL_CTX_set0_security_ex_data(SSL_CTX *ctx, void *ex) | |
0f113f3e MC |
5917 | { |
5918 | ctx->cert->sec_ex = ex; | |
5919 | } | |
b362ccab DSH |
5920 | |
5921 | void *SSL_CTX_get0_security_ex_data(const SSL_CTX *ctx) | |
0f113f3e MC |
5922 | { |
5923 | return ctx->cert->sec_ex; | |
5924 | } | |
b362ccab | 5925 | |
56bd1783 | 5926 | uint64_t SSL_CTX_get_options(const SSL_CTX *ctx) |
8106cb8b VD |
5927 | { |
5928 | return ctx->options; | |
5929 | } | |
a230b26e | 5930 | |
56bd1783 | 5931 | uint64_t SSL_get_options(const SSL *s) |
8106cb8b | 5932 | { |
38b051a1 TM |
5933 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5934 | ||
f0d9757c HL |
5935 | #ifndef OPENSSL_NO_QUIC |
5936 | if (IS_QUIC(s)) | |
5937 | return ossl_quic_get_options(s); | |
5938 | #endif | |
5939 | ||
38b051a1 TM |
5940 | if (sc == NULL) |
5941 | return 0; | |
5942 | ||
5943 | return sc->options; | |
8106cb8b | 5944 | } |
a230b26e | 5945 | |
56bd1783 | 5946 | uint64_t SSL_CTX_set_options(SSL_CTX *ctx, uint64_t op) |
8106cb8b VD |
5947 | { |
5948 | return ctx->options |= op; | |
5949 | } | |
a230b26e | 5950 | |
56bd1783 | 5951 | uint64_t SSL_set_options(SSL *s, uint64_t op) |
8106cb8b | 5952 | { |
a02571a0 | 5953 | SSL_CONNECTION *sc; |
4566dae7 | 5954 | OSSL_PARAM options[2], *opts = options; |
38b051a1 | 5955 | |
a02571a0 | 5956 | #ifndef OPENSSL_NO_QUIC |
f0d9757c HL |
5957 | if (IS_QUIC(s)) |
5958 | return ossl_quic_set_options(s, op); | |
a02571a0 TM |
5959 | #endif |
5960 | ||
f0d9757c HL |
5961 | sc = SSL_CONNECTION_FROM_SSL(s); |
5962 | if (sc == NULL) | |
38b051a1 TM |
5963 | return 0; |
5964 | ||
4566dae7 MC |
5965 | sc->options |= op; |
5966 | ||
5967 | *opts++ = OSSL_PARAM_construct_uint64(OSSL_LIBSSL_RECORD_LAYER_PARAM_OPTIONS, | |
5968 | &sc->options); | |
5969 | *opts = OSSL_PARAM_construct_end(); | |
5970 | ||
5971 | /* Ignore return value */ | |
5972 | sc->rlayer.rrlmethod->set_options(sc->rlayer.rrl, options); | |
5973 | ||
5974 | return sc->options; | |
8106cb8b | 5975 | } |
a230b26e | 5976 | |
56bd1783 | 5977 | uint64_t SSL_CTX_clear_options(SSL_CTX *ctx, uint64_t op) |
8106cb8b VD |
5978 | { |
5979 | return ctx->options &= ~op; | |
5980 | } | |
a230b26e | 5981 | |
56bd1783 | 5982 | uint64_t SSL_clear_options(SSL *s, uint64_t op) |
8106cb8b | 5983 | { |
38b051a1 TM |
5984 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5985 | ||
f0d9757c HL |
5986 | #ifndef OPENSSL_NO_QUIC |
5987 | if (IS_QUIC(s)) | |
5988 | return ossl_quic_clear_options(s, op); | |
5989 | #endif | |
5990 | ||
38b051a1 TM |
5991 | if (sc == NULL) |
5992 | return 0; | |
5993 | ||
5994 | return sc->options &= ~op; | |
8106cb8b VD |
5995 | } |
5996 | ||
696178ed DSH |
5997 | STACK_OF(X509) *SSL_get0_verified_chain(const SSL *s) |
5998 | { | |
38b051a1 TM |
5999 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
6000 | ||
6001 | if (sc == NULL) | |
6002 | return NULL; | |
6003 | ||
6004 | return sc->verified_chain; | |
696178ed DSH |
6005 | } |
6006 | ||
0f113f3e | 6007 | IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); |
ed29e82a RP |
6008 | |
6009 | #ifndef OPENSSL_NO_CT | |
6010 | ||
6011 | /* | |
6012 | * Moves SCTs from the |src| stack to the |dst| stack. | |
6013 | * The source of each SCT will be set to |origin|. | |
6014 | * If |dst| points to a NULL pointer, a new stack will be created and owned by | |
6015 | * the caller. | |
6016 | * Returns the number of SCTs moved, or a negative integer if an error occurs. | |
6017 | */ | |
a230b26e EK |
6018 | static int ct_move_scts(STACK_OF(SCT) **dst, STACK_OF(SCT) *src, |
6019 | sct_source_t origin) | |
ed29e82a RP |
6020 | { |
6021 | int scts_moved = 0; | |
6022 | SCT *sct = NULL; | |
6023 | ||
6024 | if (*dst == NULL) { | |
6025 | *dst = sk_SCT_new_null(); | |
6026 | if (*dst == NULL) { | |
e077455e | 6027 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
ed29e82a RP |
6028 | goto err; |
6029 | } | |
6030 | } | |
6031 | ||
a8086e6b | 6032 | while ((sct = sk_SCT_pop(src)) != NULL) { |
ed29e82a RP |
6033 | if (SCT_set_source(sct, origin) != 1) |
6034 | goto err; | |
6035 | ||
6036 | if (sk_SCT_push(*dst, sct) <= 0) | |
6037 | goto err; | |
6038 | scts_moved += 1; | |
6039 | } | |
6040 | ||
6041 | return scts_moved; | |
a230b26e | 6042 | err: |
ed29e82a | 6043 | if (sct != NULL) |
a230b26e | 6044 | sk_SCT_push(src, sct); /* Put the SCT back */ |
cc7113e8 | 6045 | return -1; |
ed29e82a RP |
6046 | } |
6047 | ||
6048 | /* | |
a230b26e | 6049 | * Look for data collected during ServerHello and parse if found. |
6b13bd1d | 6050 | * Returns the number of SCTs extracted. |
a230b26e | 6051 | */ |
38b051a1 | 6052 | static int ct_extract_tls_extension_scts(SSL_CONNECTION *s) |
ed29e82a RP |
6053 | { |
6054 | int scts_extracted = 0; | |
6055 | ||
aff8c126 RS |
6056 | if (s->ext.scts != NULL) { |
6057 | const unsigned char *p = s->ext.scts; | |
6058 | STACK_OF(SCT) *scts = o2i_SCT_LIST(NULL, &p, s->ext.scts_len); | |
ed29e82a RP |
6059 | |
6060 | scts_extracted = ct_move_scts(&s->scts, scts, SCT_SOURCE_TLS_EXTENSION); | |
6061 | ||
6062 | SCT_LIST_free(scts); | |
6063 | } | |
6064 | ||
6065 | return scts_extracted; | |
6066 | } | |
6067 | ||
6068 | /* | |
6069 | * Checks for an OCSP response and then attempts to extract any SCTs found if it | |
6070 | * contains an SCT X509 extension. They will be stored in |s->scts|. | |
6071 | * Returns: | |
6072 | * - The number of SCTs extracted, assuming an OCSP response exists. | |
6073 | * - 0 if no OCSP response exists or it contains no SCTs. | |
6074 | * - A negative integer if an error occurs. | |
6075 | */ | |
38b051a1 | 6076 | static int ct_extract_ocsp_response_scts(SSL_CONNECTION *s) |
ed29e82a | 6077 | { |
a230b26e | 6078 | # ifndef OPENSSL_NO_OCSP |
ed29e82a RP |
6079 | int scts_extracted = 0; |
6080 | const unsigned char *p; | |
6081 | OCSP_BASICRESP *br = NULL; | |
6082 | OCSP_RESPONSE *rsp = NULL; | |
6083 | STACK_OF(SCT) *scts = NULL; | |
6084 | int i; | |
6085 | ||
aff8c126 | 6086 | if (s->ext.ocsp.resp == NULL || s->ext.ocsp.resp_len == 0) |
ed29e82a RP |
6087 | goto err; |
6088 | ||
aff8c126 RS |
6089 | p = s->ext.ocsp.resp; |
6090 | rsp = d2i_OCSP_RESPONSE(NULL, &p, (int)s->ext.ocsp.resp_len); | |
ed29e82a RP |
6091 | if (rsp == NULL) |
6092 | goto err; | |
6093 | ||
6094 | br = OCSP_response_get1_basic(rsp); | |
6095 | if (br == NULL) | |
6096 | goto err; | |
6097 | ||
6098 | for (i = 0; i < OCSP_resp_count(br); ++i) { | |
6099 | OCSP_SINGLERESP *single = OCSP_resp_get0(br, i); | |
6100 | ||
6101 | if (single == NULL) | |
6102 | continue; | |
6103 | ||
a230b26e EK |
6104 | scts = |
6105 | OCSP_SINGLERESP_get1_ext_d2i(single, NID_ct_cert_scts, NULL, NULL); | |
6106 | scts_extracted = | |
6107 | ct_move_scts(&s->scts, scts, SCT_SOURCE_OCSP_STAPLED_RESPONSE); | |
ed29e82a RP |
6108 | if (scts_extracted < 0) |
6109 | goto err; | |
6110 | } | |
a230b26e | 6111 | err: |
ed29e82a RP |
6112 | SCT_LIST_free(scts); |
6113 | OCSP_BASICRESP_free(br); | |
6114 | OCSP_RESPONSE_free(rsp); | |
6115 | return scts_extracted; | |
a230b26e | 6116 | # else |
3e41ac35 MC |
6117 | /* Behave as if no OCSP response exists */ |
6118 | return 0; | |
a230b26e | 6119 | # endif |
ed29e82a RP |
6120 | } |
6121 | ||
6122 | /* | |
6123 | * Attempts to extract SCTs from the peer certificate. | |
6124 | * Return the number of SCTs extracted, or a negative integer if an error | |
6125 | * occurs. | |
6126 | */ | |
38b051a1 | 6127 | static int ct_extract_x509v3_extension_scts(SSL_CONNECTION *s) |
ed29e82a RP |
6128 | { |
6129 | int scts_extracted = 0; | |
3f3c7d26 | 6130 | X509 *cert = s->session != NULL ? s->session->peer : NULL; |
ed29e82a RP |
6131 | |
6132 | if (cert != NULL) { | |
6133 | STACK_OF(SCT) *scts = | |
6134 | X509_get_ext_d2i(cert, NID_ct_precert_scts, NULL, NULL); | |
6135 | ||
6136 | scts_extracted = | |
6137 | ct_move_scts(&s->scts, scts, SCT_SOURCE_X509V3_EXTENSION); | |
6138 | ||
6139 | SCT_LIST_free(scts); | |
6140 | } | |
6141 | ||
6142 | return scts_extracted; | |
6143 | } | |
6144 | ||
6145 | /* | |
6146 | * Attempts to find all received SCTs by checking TLS extensions, the OCSP | |
6147 | * response (if it exists) and X509v3 extensions in the certificate. | |
6148 | * Returns NULL if an error occurs. | |
6149 | */ | |
6150 | const STACK_OF(SCT) *SSL_get0_peer_scts(SSL *s) | |
6151 | { | |
38b051a1 TM |
6152 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6153 | ||
6154 | if (sc == NULL) | |
6155 | return NULL; | |
6156 | ||
6157 | if (!sc->scts_parsed) { | |
6158 | if (ct_extract_tls_extension_scts(sc) < 0 || | |
6159 | ct_extract_ocsp_response_scts(sc) < 0 || | |
6160 | ct_extract_x509v3_extension_scts(sc) < 0) | |
ed29e82a RP |
6161 | goto err; |
6162 | ||
38b051a1 | 6163 | sc->scts_parsed = 1; |
ed29e82a | 6164 | } |
38b051a1 | 6165 | return sc->scts; |
a230b26e | 6166 | err: |
ed29e82a RP |
6167 | return NULL; |
6168 | } | |
6169 | ||
a230b26e | 6170 | static int ct_permissive(const CT_POLICY_EVAL_CTX * ctx, |
43341433 | 6171 | const STACK_OF(SCT) *scts, void *unused_arg) |
ed29e82a | 6172 | { |
43341433 VD |
6173 | return 1; |
6174 | } | |
6175 | ||
a230b26e | 6176 | static int ct_strict(const CT_POLICY_EVAL_CTX * ctx, |
43341433 VD |
6177 | const STACK_OF(SCT) *scts, void *unused_arg) |
6178 | { | |
6179 | int count = scts != NULL ? sk_SCT_num(scts) : 0; | |
6180 | int i; | |
ed29e82a | 6181 | |
43341433 VD |
6182 | for (i = 0; i < count; ++i) { |
6183 | SCT *sct = sk_SCT_value(scts, i); | |
6184 | int status = SCT_get_validation_status(sct); | |
6185 | ||
6186 | if (status == SCT_VALIDATION_STATUS_VALID) | |
6187 | return 1; | |
6188 | } | |
6849b73c | 6189 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_VALID_SCTS); |
43341433 VD |
6190 | return 0; |
6191 | } | |
6192 | ||
6193 | int SSL_set_ct_validation_callback(SSL *s, ssl_ct_validation_cb callback, | |
6194 | void *arg) | |
6195 | { | |
38b051a1 TM |
6196 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6197 | ||
6198 | if (sc == NULL) | |
6199 | return 0; | |
6200 | ||
ed29e82a RP |
6201 | /* |
6202 | * Since code exists that uses the custom extension handler for CT, look | |
6203 | * for this and throw an error if they have already registered to use CT. | |
6204 | */ | |
6205 | if (callback != NULL && SSL_CTX_has_client_custom_ext(s->ctx, | |
a230b26e EK |
6206 | TLSEXT_TYPE_signed_certificate_timestamp)) |
6207 | { | |
6849b73c | 6208 | ERR_raise(ERR_LIB_SSL, SSL_R_CUSTOM_EXT_HANDLER_ALREADY_INSTALLED); |
43341433 | 6209 | return 0; |
ed29e82a RP |
6210 | } |
6211 | ||
ed29e82a | 6212 | if (callback != NULL) { |
a230b26e EK |
6213 | /* |
6214 | * If we are validating CT, then we MUST accept SCTs served via OCSP | |
6215 | */ | |
ed29e82a | 6216 | if (!SSL_set_tlsext_status_type(s, TLSEXT_STATUSTYPE_ocsp)) |
43341433 | 6217 | return 0; |
ed29e82a RP |
6218 | } |
6219 | ||
38b051a1 TM |
6220 | sc->ct_validation_callback = callback; |
6221 | sc->ct_validation_callback_arg = arg; | |
43341433 VD |
6222 | |
6223 | return 1; | |
ed29e82a RP |
6224 | } |
6225 | ||
43341433 | 6226 | int SSL_CTX_set_ct_validation_callback(SSL_CTX *ctx, |
a230b26e | 6227 | ssl_ct_validation_cb callback, void *arg) |
ed29e82a | 6228 | { |
ed29e82a RP |
6229 | /* |
6230 | * Since code exists that uses the custom extension handler for CT, look for | |
6231 | * this and throw an error if they have already registered to use CT. | |
6232 | */ | |
6233 | if (callback != NULL && SSL_CTX_has_client_custom_ext(ctx, | |
a230b26e EK |
6234 | TLSEXT_TYPE_signed_certificate_timestamp)) |
6235 | { | |
6849b73c | 6236 | ERR_raise(ERR_LIB_SSL, SSL_R_CUSTOM_EXT_HANDLER_ALREADY_INSTALLED); |
43341433 | 6237 | return 0; |
ed29e82a RP |
6238 | } |
6239 | ||
6240 | ctx->ct_validation_callback = callback; | |
6241 | ctx->ct_validation_callback_arg = arg; | |
43341433 | 6242 | return 1; |
ed29e82a RP |
6243 | } |
6244 | ||
43341433 | 6245 | int SSL_ct_is_enabled(const SSL *s) |
ed29e82a | 6246 | { |
38b051a1 TM |
6247 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
6248 | ||
6249 | if (sc == NULL) | |
6250 | return 0; | |
6251 | ||
6252 | return sc->ct_validation_callback != NULL; | |
ed29e82a RP |
6253 | } |
6254 | ||
43341433 | 6255 | int SSL_CTX_ct_is_enabled(const SSL_CTX *ctx) |
ed29e82a | 6256 | { |
43341433 | 6257 | return ctx->ct_validation_callback != NULL; |
ed29e82a RP |
6258 | } |
6259 | ||
38b051a1 | 6260 | int ssl_validate_ct(SSL_CONNECTION *s) |
ed29e82a RP |
6261 | { |
6262 | int ret = 0; | |
3f3c7d26 | 6263 | X509 *cert = s->session != NULL ? s->session->peer : NULL; |
43341433 | 6264 | X509 *issuer; |
b9aec69a | 6265 | SSL_DANE *dane = &s->dane; |
ed29e82a RP |
6266 | CT_POLICY_EVAL_CTX *ctx = NULL; |
6267 | const STACK_OF(SCT) *scts; | |
6268 | ||
43341433 VD |
6269 | /* |
6270 | * If no callback is set, the peer is anonymous, or its chain is invalid, | |
6271 | * skip SCT validation - just return success. Applications that continue | |
6272 | * handshakes without certificates, with unverified chains, or pinned leaf | |
6273 | * certificates are outside the scope of the WebPKI and CT. | |
6274 | * | |
6275 | * The above exclusions notwithstanding the vast majority of peers will | |
6276 | * have rather ordinary certificate chains validated by typical | |
6277 | * applications that perform certificate verification and therefore will | |
6278 | * process SCTs when enabled. | |
6279 | */ | |
6280 | if (s->ct_validation_callback == NULL || cert == NULL || | |
6281 | s->verify_result != X509_V_OK || | |
a230b26e | 6282 | s->verified_chain == NULL || sk_X509_num(s->verified_chain) <= 1) |
ed29e82a RP |
6283 | return 1; |
6284 | ||
43341433 VD |
6285 | /* |
6286 | * CT not applicable for chains validated via DANE-TA(2) or DANE-EE(3) | |
6287 | * trust-anchors. See https://tools.ietf.org/html/rfc7671#section-4.2 | |
6288 | */ | |
6289 | if (DANETLS_ENABLED(dane) && dane->mtlsa != NULL) { | |
6290 | switch (dane->mtlsa->usage) { | |
6291 | case DANETLS_USAGE_DANE_TA: | |
6292 | case DANETLS_USAGE_DANE_EE: | |
6293 | return 1; | |
6294 | } | |
ed29e82a RP |
6295 | } |
6296 | ||
38b051a1 TM |
6297 | ctx = CT_POLICY_EVAL_CTX_new_ex(SSL_CONNECTION_GET_CTX(s)->libctx, |
6298 | SSL_CONNECTION_GET_CTX(s)->propq); | |
ed29e82a | 6299 | if (ctx == NULL) { |
e077455e | 6300 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CT_LIB); |
ed29e82a RP |
6301 | goto end; |
6302 | } | |
6303 | ||
43341433 | 6304 | issuer = sk_X509_value(s->verified_chain, 1); |
a1bb7708 RP |
6305 | CT_POLICY_EVAL_CTX_set1_cert(ctx, cert); |
6306 | CT_POLICY_EVAL_CTX_set1_issuer(ctx, issuer); | |
38b051a1 TM |
6307 | CT_POLICY_EVAL_CTX_set_shared_CTLOG_STORE(ctx, |
6308 | SSL_CONNECTION_GET_CTX(s)->ctlog_store); | |
6a71e06d | 6309 | CT_POLICY_EVAL_CTX_set_time( |
38b051a1 | 6310 | ctx, (uint64_t)SSL_SESSION_get_time(s->session) * 1000); |
ed29e82a | 6311 | |
38b051a1 | 6312 | scts = SSL_get0_peer_scts(SSL_CONNECTION_GET_SSL(s)); |
ed29e82a | 6313 | |
43341433 VD |
6314 | /* |
6315 | * This function returns success (> 0) only when all the SCTs are valid, 0 | |
6316 | * when some are invalid, and < 0 on various internal errors (out of | |
6317 | * memory, etc.). Having some, or even all, invalid SCTs is not sufficient | |
6318 | * reason to abort the handshake, that decision is up to the callback. | |
6319 | * Therefore, we error out only in the unexpected case that the return | |
6320 | * value is negative. | |
6321 | * | |
6322 | * XXX: One might well argue that the return value of this function is an | |
f430ba31 | 6323 | * unfortunate design choice. Its job is only to determine the validation |
43341433 VD |
6324 | * status of each of the provided SCTs. So long as it correctly separates |
6325 | * the wheat from the chaff it should return success. Failure in this case | |
6326 | * ought to correspond to an inability to carry out its duties. | |
6327 | */ | |
6328 | if (SCT_LIST_validate(scts, ctx) < 0) { | |
c48ffbcc | 6329 | SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_SCT_VERIFICATION_FAILED); |
ed29e82a RP |
6330 | goto end; |
6331 | } | |
6332 | ||
6333 | ret = s->ct_validation_callback(ctx, scts, s->ct_validation_callback_arg); | |
6334 | if (ret < 0) | |
a230b26e | 6335 | ret = 0; /* This function returns 0 on failure */ |
f63a17d6 | 6336 | if (!ret) |
c48ffbcc | 6337 | SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_CALLBACK_FAILED); |
ed29e82a | 6338 | |
a230b26e | 6339 | end: |
ed29e82a | 6340 | CT_POLICY_EVAL_CTX_free(ctx); |
f75b34c8 VD |
6341 | /* |
6342 | * With SSL_VERIFY_NONE the session may be cached and re-used despite a | |
6343 | * failure return code here. Also the application may wish the complete | |
6344 | * the handshake, and then disconnect cleanly at a higher layer, after | |
6345 | * checking the verification status of the completed connection. | |
6346 | * | |
6347 | * We therefore force a certificate verification failure which will be | |
6348 | * visible via SSL_get_verify_result() and cached as part of any resumed | |
6349 | * session. | |
6350 | * | |
6351 | * Note: the permissive callback is for information gathering only, always | |
6352 | * returns success, and does not affect verification status. Only the | |
6353 | * strict callback or a custom application-specified callback can trigger | |
6354 | * connection failure or record a verification error. | |
6355 | */ | |
6356 | if (ret <= 0) | |
6357 | s->verify_result = X509_V_ERR_NO_VALID_SCTS; | |
ed29e82a RP |
6358 | return ret; |
6359 | } | |
6360 | ||
43341433 VD |
6361 | int SSL_CTX_enable_ct(SSL_CTX *ctx, int validation_mode) |
6362 | { | |
6363 | switch (validation_mode) { | |
6364 | default: | |
6849b73c | 6365 | ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_CT_VALIDATION_TYPE); |
43341433 VD |
6366 | return 0; |
6367 | case SSL_CT_VALIDATION_PERMISSIVE: | |
6368 | return SSL_CTX_set_ct_validation_callback(ctx, ct_permissive, NULL); | |
6369 | case SSL_CT_VALIDATION_STRICT: | |
6370 | return SSL_CTX_set_ct_validation_callback(ctx, ct_strict, NULL); | |
6371 | } | |
6372 | } | |
6373 | ||
6374 | int SSL_enable_ct(SSL *s, int validation_mode) | |
6375 | { | |
6376 | switch (validation_mode) { | |
6377 | default: | |
6849b73c | 6378 | ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_CT_VALIDATION_TYPE); |
43341433 VD |
6379 | return 0; |
6380 | case SSL_CT_VALIDATION_PERMISSIVE: | |
6381 | return SSL_set_ct_validation_callback(s, ct_permissive, NULL); | |
6382 | case SSL_CT_VALIDATION_STRICT: | |
6383 | return SSL_set_ct_validation_callback(s, ct_strict, NULL); | |
6384 | } | |
6385 | } | |
6386 | ||
ed29e82a RP |
6387 | int SSL_CTX_set_default_ctlog_list_file(SSL_CTX *ctx) |
6388 | { | |
328f36c5 | 6389 | return CTLOG_STORE_load_default_file(ctx->ctlog_store); |
ed29e82a RP |
6390 | } |
6391 | ||
6392 | int SSL_CTX_set_ctlog_list_file(SSL_CTX *ctx, const char *path) | |
6393 | { | |
6394 | return CTLOG_STORE_load_file(ctx->ctlog_store, path); | |
6395 | } | |
6396 | ||
a230b26e | 6397 | void SSL_CTX_set0_ctlog_store(SSL_CTX *ctx, CTLOG_STORE * logs) |
8359b57f RP |
6398 | { |
6399 | CTLOG_STORE_free(ctx->ctlog_store); | |
6400 | ctx->ctlog_store = logs; | |
6401 | } | |
6402 | ||
6403 | const CTLOG_STORE *SSL_CTX_get0_ctlog_store(const SSL_CTX *ctx) | |
6404 | { | |
6405 | return ctx->ctlog_store; | |
6406 | } | |
6407 | ||
6b1bb98f BK |
6408 | #endif /* OPENSSL_NO_CT */ |
6409 | ||
a9c0d8be DB |
6410 | void SSL_CTX_set_client_hello_cb(SSL_CTX *c, SSL_client_hello_cb_fn cb, |
6411 | void *arg) | |
6b1bb98f | 6412 | { |
a9c0d8be DB |
6413 | c->client_hello_cb = cb; |
6414 | c->client_hello_cb_arg = arg; | |
6b1bb98f BK |
6415 | } |
6416 | ||
a9c0d8be | 6417 | int SSL_client_hello_isv2(SSL *s) |
6b1bb98f | 6418 | { |
38b051a1 TM |
6419 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6420 | ||
6421 | if (sc == NULL) | |
6422 | return 0; | |
6423 | ||
6424 | if (sc->clienthello == NULL) | |
6b1bb98f | 6425 | return 0; |
38b051a1 | 6426 | return sc->clienthello->isv2; |
6b1bb98f BK |
6427 | } |
6428 | ||
a9c0d8be | 6429 | unsigned int SSL_client_hello_get0_legacy_version(SSL *s) |
6b1bb98f | 6430 | { |
38b051a1 TM |
6431 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6432 | ||
6433 | if (sc == NULL) | |
6434 | return 0; | |
6435 | ||
6436 | if (sc->clienthello == NULL) | |
6b1bb98f | 6437 | return 0; |
38b051a1 | 6438 | return sc->clienthello->legacy_version; |
6b1bb98f BK |
6439 | } |
6440 | ||
a9c0d8be | 6441 | size_t SSL_client_hello_get0_random(SSL *s, const unsigned char **out) |
6b1bb98f | 6442 | { |
38b051a1 TM |
6443 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6444 | ||
6445 | if (sc == NULL) | |
6446 | return 0; | |
6447 | ||
6448 | if (sc->clienthello == NULL) | |
6b1bb98f BK |
6449 | return 0; |
6450 | if (out != NULL) | |
38b051a1 | 6451 | *out = sc->clienthello->random; |
6b1bb98f BK |
6452 | return SSL3_RANDOM_SIZE; |
6453 | } | |
6454 | ||
a9c0d8be | 6455 | size_t SSL_client_hello_get0_session_id(SSL *s, const unsigned char **out) |
6b1bb98f | 6456 | { |
38b051a1 TM |
6457 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6458 | ||
6459 | if (sc == NULL) | |
6460 | return 0; | |
6461 | ||
6462 | if (sc->clienthello == NULL) | |
6b1bb98f BK |
6463 | return 0; |
6464 | if (out != NULL) | |
38b051a1 TM |
6465 | *out = sc->clienthello->session_id; |
6466 | return sc->clienthello->session_id_len; | |
6b1bb98f BK |
6467 | } |
6468 | ||
a9c0d8be | 6469 | size_t SSL_client_hello_get0_ciphers(SSL *s, const unsigned char **out) |
6b1bb98f | 6470 | { |
38b051a1 TM |
6471 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6472 | ||
6473 | if (sc == NULL) | |
6474 | return 0; | |
6475 | ||
6476 | if (sc->clienthello == NULL) | |
6b1bb98f BK |
6477 | return 0; |
6478 | if (out != NULL) | |
38b051a1 TM |
6479 | *out = PACKET_data(&sc->clienthello->ciphersuites); |
6480 | return PACKET_remaining(&sc->clienthello->ciphersuites); | |
6b1bb98f BK |
6481 | } |
6482 | ||
a9c0d8be | 6483 | size_t SSL_client_hello_get0_compression_methods(SSL *s, const unsigned char **out) |
6b1bb98f | 6484 | { |
38b051a1 TM |
6485 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6486 | ||
6487 | if (sc == NULL) | |
6488 | return 0; | |
6489 | ||
6490 | if (sc->clienthello == NULL) | |
6b1bb98f BK |
6491 | return 0; |
6492 | if (out != NULL) | |
38b051a1 TM |
6493 | *out = sc->clienthello->compressions; |
6494 | return sc->clienthello->compressions_len; | |
6b1bb98f BK |
6495 | } |
6496 | ||
a9c0d8be | 6497 | int SSL_client_hello_get1_extensions_present(SSL *s, int **out, size_t *outlen) |
193b5d76 BK |
6498 | { |
6499 | RAW_EXTENSION *ext; | |
6500 | int *present; | |
6501 | size_t num = 0, i; | |
38b051a1 | 6502 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
193b5d76 | 6503 | |
38b051a1 | 6504 | if (sc == NULL) |
193b5d76 | 6505 | return 0; |
38b051a1 TM |
6506 | |
6507 | if (sc->clienthello == NULL || out == NULL || outlen == NULL) | |
6508 | return 0; | |
6509 | for (i = 0; i < sc->clienthello->pre_proc_exts_len; i++) { | |
6510 | ext = sc->clienthello->pre_proc_exts + i; | |
193b5d76 BK |
6511 | if (ext->present) |
6512 | num++; | |
6513 | } | |
6fda11ae | 6514 | if (num == 0) { |
6515 | *out = NULL; | |
6516 | *outlen = 0; | |
6517 | return 1; | |
6518 | } | |
e077455e | 6519 | if ((present = OPENSSL_malloc(sizeof(*present) * num)) == NULL) |
193b5d76 | 6520 | return 0; |
38b051a1 TM |
6521 | for (i = 0; i < sc->clienthello->pre_proc_exts_len; i++) { |
6522 | ext = sc->clienthello->pre_proc_exts + i; | |
193b5d76 BK |
6523 | if (ext->present) { |
6524 | if (ext->received_order >= num) | |
6525 | goto err; | |
6526 | present[ext->received_order] = ext->type; | |
6527 | } | |
6528 | } | |
6529 | *out = present; | |
6530 | *outlen = num; | |
6531 | return 1; | |
6532 | err: | |
6533 | OPENSSL_free(present); | |
6534 | return 0; | |
6535 | } | |
6536 | ||
13a53fbf PL |
6537 | int SSL_client_hello_get_extension_order(SSL *s, uint16_t *exts, size_t *num_exts) |
6538 | { | |
6539 | RAW_EXTENSION *ext; | |
6540 | size_t num = 0, i; | |
38b051a1 TM |
6541 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6542 | ||
6543 | if (sc == NULL) | |
6544 | return 0; | |
13a53fbf | 6545 | |
38b051a1 | 6546 | if (sc->clienthello == NULL || num_exts == NULL) |
13a53fbf | 6547 | return 0; |
38b051a1 TM |
6548 | for (i = 0; i < sc->clienthello->pre_proc_exts_len; i++) { |
6549 | ext = sc->clienthello->pre_proc_exts + i; | |
13a53fbf PL |
6550 | if (ext->present) |
6551 | num++; | |
6552 | } | |
6553 | if (num == 0) { | |
6554 | *num_exts = 0; | |
6555 | return 1; | |
6556 | } | |
6557 | if (exts == NULL) { | |
6558 | *num_exts = num; | |
6559 | return 1; | |
6560 | } | |
6561 | if (*num_exts < num) | |
6562 | return 0; | |
38b051a1 TM |
6563 | for (i = 0; i < sc->clienthello->pre_proc_exts_len; i++) { |
6564 | ext = sc->clienthello->pre_proc_exts + i; | |
13a53fbf PL |
6565 | if (ext->present) { |
6566 | if (ext->received_order >= num) | |
6567 | return 0; | |
6568 | exts[ext->received_order] = ext->type; | |
6569 | } | |
6570 | } | |
6571 | *num_exts = num; | |
6572 | return 1; | |
6573 | } | |
6574 | ||
a9c0d8be | 6575 | int SSL_client_hello_get0_ext(SSL *s, unsigned int type, const unsigned char **out, |
6b1bb98f BK |
6576 | size_t *outlen) |
6577 | { | |
6578 | size_t i; | |
6579 | RAW_EXTENSION *r; | |
38b051a1 | 6580 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6b1bb98f | 6581 | |
38b051a1 | 6582 | if (sc == NULL) |
6b1bb98f | 6583 | return 0; |
38b051a1 TM |
6584 | |
6585 | if (sc->clienthello == NULL) | |
6586 | return 0; | |
6587 | for (i = 0; i < sc->clienthello->pre_proc_exts_len; ++i) { | |
6588 | r = sc->clienthello->pre_proc_exts + i; | |
6b1bb98f BK |
6589 | if (r->present && r->type == type) { |
6590 | if (out != NULL) | |
6591 | *out = PACKET_data(&r->data); | |
6592 | if (outlen != NULL) | |
6593 | *outlen = PACKET_remaining(&r->data); | |
6594 | return 1; | |
6595 | } | |
6596 | } | |
6597 | return 0; | |
6598 | } | |
2faa1b48 | 6599 | |
a58eb06d TS |
6600 | int SSL_free_buffers(SSL *ssl) |
6601 | { | |
38b051a1 TM |
6602 | RECORD_LAYER *rl; |
6603 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); | |
6604 | ||
6605 | if (sc == NULL) | |
6606 | return 0; | |
6607 | ||
fe33e2c8 | 6608 | /* QUIC buffers are always 'in use'. */ |
d6e7ebba | 6609 | if (IS_QUIC(ssl)) |
fe33e2c8 HL |
6610 | return 0; |
6611 | ||
38b051a1 | 6612 | rl = &sc->rlayer; |
a58eb06d | 6613 | |
7eb39ecb MC |
6614 | return rl->rrlmethod->free_buffers(rl->rrl) |
6615 | && rl->wrlmethod->free_buffers(rl->wrl); | |
a58eb06d TS |
6616 | } |
6617 | ||
6618 | int SSL_alloc_buffers(SSL *ssl) | |
6619 | { | |
7eb39ecb | 6620 | RECORD_LAYER *rl; |
38b051a1 TM |
6621 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
6622 | ||
6623 | if (sc == NULL) | |
6624 | return 0; | |
6625 | ||
fe33e2c8 | 6626 | /* QUIC always has buffers allocated. */ |
d6e7ebba | 6627 | if (IS_QUIC(ssl)) |
fe33e2c8 HL |
6628 | return 1; |
6629 | ||
7eb39ecb MC |
6630 | rl = &sc->rlayer; |
6631 | ||
6632 | return rl->rrlmethod->alloc_buffers(rl->rrl) | |
6633 | && rl->wrlmethod->alloc_buffers(rl->wrl); | |
a58eb06d TS |
6634 | } |
6635 | ||
2faa1b48 CB |
6636 | void SSL_CTX_set_keylog_callback(SSL_CTX *ctx, SSL_CTX_keylog_cb_func cb) |
6637 | { | |
6638 | ctx->keylog_callback = cb; | |
6639 | } | |
6640 | ||
6641 | SSL_CTX_keylog_cb_func SSL_CTX_get_keylog_callback(const SSL_CTX *ctx) | |
6642 | { | |
6643 | return ctx->keylog_callback; | |
6644 | } | |
6645 | ||
6646 | static int nss_keylog_int(const char *prefix, | |
38b051a1 | 6647 | SSL_CONNECTION *sc, |
2faa1b48 CB |
6648 | const uint8_t *parameter_1, |
6649 | size_t parameter_1_len, | |
6650 | const uint8_t *parameter_2, | |
6651 | size_t parameter_2_len) | |
6652 | { | |
6653 | char *out = NULL; | |
6654 | char *cursor = NULL; | |
6655 | size_t out_len = 0; | |
6656 | size_t i; | |
6657 | size_t prefix_len; | |
38b051a1 | 6658 | SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(sc); |
2faa1b48 | 6659 | |
38b051a1 | 6660 | if (sctx->keylog_callback == NULL) |
20870286 | 6661 | return 1; |
2faa1b48 CB |
6662 | |
6663 | /* | |
6664 | * Our output buffer will contain the following strings, rendered with | |
6665 | * space characters in between, terminated by a NULL character: first the | |
6666 | * prefix, then the first parameter, then the second parameter. The | |
6667 | * meaning of each parameter depends on the specific key material being | |
6668 | * logged. Note that the first and second parameters are encoded in | |
6669 | * hexadecimal, so we need a buffer that is twice their lengths. | |
6670 | */ | |
6671 | prefix_len = strlen(prefix); | |
e931f370 | 6672 | out_len = prefix_len + (2 * parameter_1_len) + (2 * parameter_2_len) + 3; |
e077455e | 6673 | if ((out = cursor = OPENSSL_malloc(out_len)) == NULL) |
2faa1b48 | 6674 | return 0; |
2faa1b48 CB |
6675 | |
6676 | strcpy(cursor, prefix); | |
6677 | cursor += prefix_len; | |
6678 | *cursor++ = ' '; | |
6679 | ||
6680 | for (i = 0; i < parameter_1_len; i++) { | |
6681 | sprintf(cursor, "%02x", parameter_1[i]); | |
6682 | cursor += 2; | |
6683 | } | |
6684 | *cursor++ = ' '; | |
6685 | ||
6686 | for (i = 0; i < parameter_2_len; i++) { | |
6687 | sprintf(cursor, "%02x", parameter_2[i]); | |
6688 | cursor += 2; | |
6689 | } | |
6690 | *cursor = '\0'; | |
6691 | ||
38b051a1 | 6692 | sctx->keylog_callback(SSL_CONNECTION_GET_SSL(sc), (const char *)out); |
e931f370 | 6693 | OPENSSL_clear_free(out, out_len); |
2faa1b48 CB |
6694 | return 1; |
6695 | ||
6696 | } | |
6697 | ||
38b051a1 | 6698 | int ssl_log_rsa_client_key_exchange(SSL_CONNECTION *sc, |
2faa1b48 CB |
6699 | const uint8_t *encrypted_premaster, |
6700 | size_t encrypted_premaster_len, | |
6701 | const uint8_t *premaster, | |
6702 | size_t premaster_len) | |
6703 | { | |
6704 | if (encrypted_premaster_len < 8) { | |
38b051a1 | 6705 | SSLfatal(sc, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); |
2faa1b48 CB |
6706 | return 0; |
6707 | } | |
6708 | ||
f0deb4d3 | 6709 | /* We only want the first 8 bytes of the encrypted premaster as a tag. */ |
2faa1b48 | 6710 | return nss_keylog_int("RSA", |
38b051a1 | 6711 | sc, |
2faa1b48 | 6712 | encrypted_premaster, |
f0deb4d3 | 6713 | 8, |
2faa1b48 CB |
6714 | premaster, |
6715 | premaster_len); | |
6716 | } | |
6717 | ||
38b051a1 | 6718 | int ssl_log_secret(SSL_CONNECTION *sc, |
2c7bd692 CB |
6719 | const char *label, |
6720 | const uint8_t *secret, | |
6721 | size_t secret_len) | |
2faa1b48 | 6722 | { |
2c7bd692 | 6723 | return nss_keylog_int(label, |
38b051a1 TM |
6724 | sc, |
6725 | sc->s3.client_random, | |
2c7bd692 CB |
6726 | SSL3_RANDOM_SIZE, |
6727 | secret, | |
6728 | secret_len); | |
2faa1b48 CB |
6729 | } |
6730 | ||
ccb8e6e0 BK |
6731 | #define SSLV2_CIPHER_LEN 3 |
6732 | ||
38b051a1 | 6733 | int ssl_cache_cipherlist(SSL_CONNECTION *s, PACKET *cipher_suites, int sslv2format) |
ccb8e6e0 | 6734 | { |
ccb8e6e0 | 6735 | int n; |
ccb8e6e0 BK |
6736 | |
6737 | n = sslv2format ? SSLV2_CIPHER_LEN : TLS_CIPHER_LEN; | |
6738 | ||
6739 | if (PACKET_remaining(cipher_suites) == 0) { | |
c48ffbcc | 6740 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_NO_CIPHERS_SPECIFIED); |
90134d98 | 6741 | return 0; |
ccb8e6e0 BK |
6742 | } |
6743 | ||
6744 | if (PACKET_remaining(cipher_suites) % n != 0) { | |
c48ffbcc | 6745 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST); |
90134d98 | 6746 | return 0; |
ccb8e6e0 BK |
6747 | } |
6748 | ||
555cbb32 TS |
6749 | OPENSSL_free(s->s3.tmp.ciphers_raw); |
6750 | s->s3.tmp.ciphers_raw = NULL; | |
6751 | s->s3.tmp.ciphers_rawlen = 0; | |
ccb8e6e0 BK |
6752 | |
6753 | if (sslv2format) { | |
6754 | size_t numciphers = PACKET_remaining(cipher_suites) / n; | |
6755 | PACKET sslv2ciphers = *cipher_suites; | |
6756 | unsigned int leadbyte; | |
6757 | unsigned char *raw; | |
6758 | ||
6759 | /* | |
6760 | * We store the raw ciphers list in SSLv3+ format so we need to do some | |
6761 | * preprocessing to convert the list first. If there are any SSLv2 only | |
6762 | * ciphersuites with a non-zero leading byte then we are going to | |
6763 | * slightly over allocate because we won't store those. But that isn't a | |
6764 | * problem. | |
6765 | */ | |
6766 | raw = OPENSSL_malloc(numciphers * TLS_CIPHER_LEN); | |
555cbb32 | 6767 | s->s3.tmp.ciphers_raw = raw; |
ccb8e6e0 | 6768 | if (raw == NULL) { |
e077455e | 6769 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB); |
f63a17d6 | 6770 | return 0; |
ccb8e6e0 | 6771 | } |
555cbb32 | 6772 | for (s->s3.tmp.ciphers_rawlen = 0; |
ccb8e6e0 BK |
6773 | PACKET_remaining(&sslv2ciphers) > 0; |
6774 | raw += TLS_CIPHER_LEN) { | |
6775 | if (!PACKET_get_1(&sslv2ciphers, &leadbyte) | |
6776 | || (leadbyte == 0 | |
6777 | && !PACKET_copy_bytes(&sslv2ciphers, raw, | |
6778 | TLS_CIPHER_LEN)) | |
6779 | || (leadbyte != 0 | |
6780 | && !PACKET_forward(&sslv2ciphers, TLS_CIPHER_LEN))) { | |
c48ffbcc | 6781 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_PACKET); |
555cbb32 TS |
6782 | OPENSSL_free(s->s3.tmp.ciphers_raw); |
6783 | s->s3.tmp.ciphers_raw = NULL; | |
6784 | s->s3.tmp.ciphers_rawlen = 0; | |
f63a17d6 | 6785 | return 0; |
ccb8e6e0 BK |
6786 | } |
6787 | if (leadbyte == 0) | |
555cbb32 | 6788 | s->s3.tmp.ciphers_rawlen += TLS_CIPHER_LEN; |
ccb8e6e0 | 6789 | } |
555cbb32 TS |
6790 | } else if (!PACKET_memdup(cipher_suites, &s->s3.tmp.ciphers_raw, |
6791 | &s->s3.tmp.ciphers_rawlen)) { | |
c48ffbcc | 6792 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); |
f63a17d6 | 6793 | return 0; |
ccb8e6e0 | 6794 | } |
90134d98 | 6795 | return 1; |
90134d98 BK |
6796 | } |
6797 | ||
6798 | int SSL_bytes_to_cipher_list(SSL *s, const unsigned char *bytes, size_t len, | |
6799 | int isv2format, STACK_OF(SSL_CIPHER) **sk, | |
6800 | STACK_OF(SSL_CIPHER) **scsvs) | |
6801 | { | |
90134d98 | 6802 | PACKET pkt; |
38b051a1 TM |
6803 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6804 | ||
6805 | if (sc == NULL) | |
6806 | return 0; | |
90134d98 BK |
6807 | |
6808 | if (!PACKET_buf_init(&pkt, bytes, len)) | |
6809 | return 0; | |
38b051a1 | 6810 | return ossl_bytes_to_cipher_list(sc, &pkt, sk, scsvs, isv2format, 0); |
90134d98 BK |
6811 | } |
6812 | ||
38b051a1 TM |
6813 | int ossl_bytes_to_cipher_list(SSL_CONNECTION *s, PACKET *cipher_suites, |
6814 | STACK_OF(SSL_CIPHER) **skp, | |
6815 | STACK_OF(SSL_CIPHER) **scsvs_out, | |
6816 | int sslv2format, int fatal) | |
90134d98 BK |
6817 | { |
6818 | const SSL_CIPHER *c; | |
6819 | STACK_OF(SSL_CIPHER) *sk = NULL; | |
6820 | STACK_OF(SSL_CIPHER) *scsvs = NULL; | |
6821 | int n; | |
6822 | /* 3 = SSLV2_CIPHER_LEN > TLS_CIPHER_LEN = 2. */ | |
6823 | unsigned char cipher[SSLV2_CIPHER_LEN]; | |
6824 | ||
6825 | n = sslv2format ? SSLV2_CIPHER_LEN : TLS_CIPHER_LEN; | |
6826 | ||
6827 | if (PACKET_remaining(cipher_suites) == 0) { | |
f63a17d6 | 6828 | if (fatal) |
c48ffbcc | 6829 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_NO_CIPHERS_SPECIFIED); |
f63a17d6 | 6830 | else |
6849b73c | 6831 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_CIPHERS_SPECIFIED); |
90134d98 BK |
6832 | return 0; |
6833 | } | |
6834 | ||
6835 | if (PACKET_remaining(cipher_suites) % n != 0) { | |
f63a17d6 | 6836 | if (fatal) |
c48ffbcc | 6837 | SSLfatal(s, SSL_AD_DECODE_ERROR, |
f63a17d6 MC |
6838 | SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST); |
6839 | else | |
6849b73c | 6840 | ERR_raise(ERR_LIB_SSL, SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST); |
90134d98 BK |
6841 | return 0; |
6842 | } | |
6843 | ||
6844 | sk = sk_SSL_CIPHER_new_null(); | |
6845 | scsvs = sk_SSL_CIPHER_new_null(); | |
6846 | if (sk == NULL || scsvs == NULL) { | |
f63a17d6 | 6847 | if (fatal) |
e077455e | 6848 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB); |
f63a17d6 | 6849 | else |
e077455e | 6850 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
90134d98 BK |
6851 | goto err; |
6852 | } | |
ccb8e6e0 BK |
6853 | |
6854 | while (PACKET_copy_bytes(cipher_suites, cipher, n)) { | |
6855 | /* | |
6856 | * SSLv3 ciphers wrapped in an SSLv2-compatible ClientHello have the | |
6857 | * first byte set to zero, while true SSLv2 ciphers have a non-zero | |
6858 | * first byte. We don't support any true SSLv2 ciphers, so skip them. | |
6859 | */ | |
6860 | if (sslv2format && cipher[0] != '\0') | |
6861 | continue; | |
6862 | ||
ccb8e6e0 BK |
6863 | /* For SSLv2-compat, ignore leading 0-byte. */ |
6864 | c = ssl_get_cipher_by_char(s, sslv2format ? &cipher[1] : cipher, 1); | |
6865 | if (c != NULL) { | |
90134d98 BK |
6866 | if ((c->valid && !sk_SSL_CIPHER_push(sk, c)) || |
6867 | (!c->valid && !sk_SSL_CIPHER_push(scsvs, c))) { | |
f63a17d6 | 6868 | if (fatal) |
e077455e | 6869 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB); |
f63a17d6 | 6870 | else |
e077455e | 6871 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
ccb8e6e0 BK |
6872 | goto err; |
6873 | } | |
6874 | } | |
6875 | } | |
6876 | if (PACKET_remaining(cipher_suites) > 0) { | |
f63a17d6 | 6877 | if (fatal) |
c48ffbcc | 6878 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_LENGTH); |
f63a17d6 | 6879 | else |
6849b73c | 6880 | ERR_raise(ERR_LIB_SSL, SSL_R_BAD_LENGTH); |
ccb8e6e0 BK |
6881 | goto err; |
6882 | } | |
6883 | ||
90134d98 BK |
6884 | if (skp != NULL) |
6885 | *skp = sk; | |
6886 | else | |
6887 | sk_SSL_CIPHER_free(sk); | |
6888 | if (scsvs_out != NULL) | |
6889 | *scsvs_out = scsvs; | |
6890 | else | |
6891 | sk_SSL_CIPHER_free(scsvs); | |
6892 | return 1; | |
ccb8e6e0 BK |
6893 | err: |
6894 | sk_SSL_CIPHER_free(sk); | |
90134d98 BK |
6895 | sk_SSL_CIPHER_free(scsvs); |
6896 | return 0; | |
ccb8e6e0 | 6897 | } |
3fc8d856 MC |
6898 | |
6899 | int SSL_CTX_set_max_early_data(SSL_CTX *ctx, uint32_t max_early_data) | |
6900 | { | |
6901 | ctx->max_early_data = max_early_data; | |
6902 | ||
6903 | return 1; | |
6904 | } | |
6905 | ||
46dcb945 | 6906 | uint32_t SSL_CTX_get_max_early_data(const SSL_CTX *ctx) |
3fc8d856 MC |
6907 | { |
6908 | return ctx->max_early_data; | |
6909 | } | |
6910 | ||
6911 | int SSL_set_max_early_data(SSL *s, uint32_t max_early_data) | |
6912 | { | |
38b051a1 TM |
6913 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6914 | ||
d6e7ebba | 6915 | if (sc == NULL || IS_QUIC(s)) |
38b051a1 TM |
6916 | return 0; |
6917 | ||
6918 | sc->max_early_data = max_early_data; | |
3fc8d856 MC |
6919 | |
6920 | return 1; | |
6921 | } | |
6922 | ||
a8e75d56 | 6923 | uint32_t SSL_get_max_early_data(const SSL *s) |
3fc8d856 | 6924 | { |
38b051a1 TM |
6925 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
6926 | ||
6927 | if (sc == NULL) | |
6928 | return 0; | |
6929 | ||
6930 | return sc->max_early_data; | |
3fc8d856 | 6931 | } |
ae3947de | 6932 | |
4e8548e8 MC |
6933 | int SSL_CTX_set_recv_max_early_data(SSL_CTX *ctx, uint32_t recv_max_early_data) |
6934 | { | |
6935 | ctx->recv_max_early_data = recv_max_early_data; | |
6936 | ||
6937 | return 1; | |
6938 | } | |
6939 | ||
6940 | uint32_t SSL_CTX_get_recv_max_early_data(const SSL_CTX *ctx) | |
6941 | { | |
6942 | return ctx->recv_max_early_data; | |
6943 | } | |
6944 | ||
6945 | int SSL_set_recv_max_early_data(SSL *s, uint32_t recv_max_early_data) | |
6946 | { | |
38b051a1 TM |
6947 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6948 | ||
d6e7ebba | 6949 | if (sc == NULL || IS_QUIC(s)) |
38b051a1 TM |
6950 | return 0; |
6951 | ||
6952 | sc->recv_max_early_data = recv_max_early_data; | |
4e8548e8 MC |
6953 | |
6954 | return 1; | |
6955 | } | |
6956 | ||
6957 | uint32_t SSL_get_recv_max_early_data(const SSL *s) | |
6958 | { | |
38b051a1 TM |
6959 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
6960 | ||
6961 | if (sc == NULL) | |
6962 | return 0; | |
6963 | ||
6964 | return sc->recv_max_early_data; | |
4e8548e8 MC |
6965 | } |
6966 | ||
38b051a1 | 6967 | __owur unsigned int ssl_get_max_send_fragment(const SSL_CONNECTION *sc) |
cf72c757 F |
6968 | { |
6969 | /* Return any active Max Fragment Len extension */ | |
38b051a1 TM |
6970 | if (sc->session != NULL && USE_MAX_FRAGMENT_LENGTH_EXT(sc->session)) |
6971 | return GET_MAX_FRAGMENT_LENGTH(sc->session); | |
cf72c757 F |
6972 | |
6973 | /* return current SSL connection setting */ | |
38b051a1 | 6974 | return sc->max_send_fragment; |
cf72c757 F |
6975 | } |
6976 | ||
38b051a1 | 6977 | __owur unsigned int ssl_get_split_send_fragment(const SSL_CONNECTION *sc) |
cf72c757 F |
6978 | { |
6979 | /* Return a value regarding an active Max Fragment Len extension */ | |
38b051a1 TM |
6980 | if (sc->session != NULL && USE_MAX_FRAGMENT_LENGTH_EXT(sc->session) |
6981 | && sc->split_send_fragment > GET_MAX_FRAGMENT_LENGTH(sc->session)) | |
6982 | return GET_MAX_FRAGMENT_LENGTH(sc->session); | |
cf72c757 F |
6983 | |
6984 | /* else limit |split_send_fragment| to current |max_send_fragment| */ | |
38b051a1 TM |
6985 | if (sc->split_send_fragment > sc->max_send_fragment) |
6986 | return sc->max_send_fragment; | |
cf72c757 F |
6987 | |
6988 | /* return current SSL connection setting */ | |
38b051a1 | 6989 | return sc->split_send_fragment; |
cf72c757 | 6990 | } |
042c5753 MC |
6991 | |
6992 | int SSL_stateless(SSL *s) | |
6993 | { | |
6994 | int ret; | |
38b051a1 TM |
6995 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6996 | ||
d6e7ebba | 6997 | if (sc == NULL || IS_QUIC(s)) |
38b051a1 | 6998 | return 0; |
042c5753 MC |
6999 | |
7000 | /* Ensure there is no state left over from a previous invocation */ | |
7001 | if (!SSL_clear(s)) | |
d6bb50a5 | 7002 | return 0; |
042c5753 MC |
7003 | |
7004 | ERR_clear_error(); | |
7005 | ||
38b051a1 | 7006 | sc->s3.flags |= TLS1_FLAGS_STATELESS; |
042c5753 | 7007 | ret = SSL_accept(s); |
38b051a1 | 7008 | sc->s3.flags &= ~TLS1_FLAGS_STATELESS; |
042c5753 | 7009 | |
38b051a1 | 7010 | if (ret > 0 && sc->ext.cookieok) |
c36001c3 MC |
7011 | return 1; |
7012 | ||
38b051a1 | 7013 | if (sc->hello_retry_request == SSL_HRR_PENDING && !ossl_statem_in_error(sc)) |
e440f513 MC |
7014 | return 0; |
7015 | ||
7016 | return -1; | |
042c5753 | 7017 | } |
9d75dce3 | 7018 | |
e97be718 MC |
7019 | void SSL_CTX_set_post_handshake_auth(SSL_CTX *ctx, int val) |
7020 | { | |
7021 | ctx->pha_enabled = val; | |
7022 | } | |
7023 | ||
32097b33 | 7024 | void SSL_set_post_handshake_auth(SSL *ssl, int val) |
9d75dce3 | 7025 | { |
38b051a1 | 7026 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
9ea0e729 | 7027 | |
d6e7ebba HL |
7028 | #ifndef OPENSSL_NO_QUIC |
7029 | if (IS_QUIC(ssl)) | |
9ea0e729 HL |
7030 | return; |
7031 | #endif | |
38b051a1 TM |
7032 | |
7033 | if (sc == NULL) | |
7034 | return; | |
7035 | ||
7036 | sc->pha_enabled = val; | |
9d75dce3 TS |
7037 | } |
7038 | ||
7039 | int SSL_verify_client_post_handshake(SSL *ssl) | |
7040 | { | |
38b051a1 | 7041 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
9ea0e729 | 7042 | |
d6e7ebba HL |
7043 | #ifndef OPENSSL_NO_QUIC |
7044 | if (IS_QUIC(ssl)) { | |
9ea0e729 HL |
7045 | ERR_raise(ERR_LIB_SSL, SSL_R_WRONG_SSL_VERSION); |
7046 | return 0; | |
7047 | } | |
7048 | #endif | |
38b051a1 TM |
7049 | |
7050 | if (sc == NULL) | |
7051 | return 0; | |
7052 | ||
7053 | if (!SSL_CONNECTION_IS_TLS13(sc)) { | |
6849b73c | 7054 | ERR_raise(ERR_LIB_SSL, SSL_R_WRONG_SSL_VERSION); |
9d75dce3 TS |
7055 | return 0; |
7056 | } | |
38b051a1 | 7057 | if (!sc->server) { |
6849b73c | 7058 | ERR_raise(ERR_LIB_SSL, SSL_R_NOT_SERVER); |
9d75dce3 TS |
7059 | return 0; |
7060 | } | |
7061 | ||
7062 | if (!SSL_is_init_finished(ssl)) { | |
6849b73c | 7063 | ERR_raise(ERR_LIB_SSL, SSL_R_STILL_IN_INIT); |
9d75dce3 TS |
7064 | return 0; |
7065 | } | |
7066 | ||
38b051a1 | 7067 | switch (sc->post_handshake_auth) { |
9d75dce3 | 7068 | case SSL_PHA_NONE: |
6849b73c | 7069 | ERR_raise(ERR_LIB_SSL, SSL_R_EXTENSION_NOT_RECEIVED); |
9d75dce3 TS |
7070 | return 0; |
7071 | default: | |
7072 | case SSL_PHA_EXT_SENT: | |
6849b73c | 7073 | ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR); |
9d75dce3 TS |
7074 | return 0; |
7075 | case SSL_PHA_EXT_RECEIVED: | |
7076 | break; | |
7077 | case SSL_PHA_REQUEST_PENDING: | |
6849b73c | 7078 | ERR_raise(ERR_LIB_SSL, SSL_R_REQUEST_PENDING); |
9d75dce3 TS |
7079 | return 0; |
7080 | case SSL_PHA_REQUESTED: | |
6849b73c | 7081 | ERR_raise(ERR_LIB_SSL, SSL_R_REQUEST_SENT); |
9d75dce3 TS |
7082 | return 0; |
7083 | } | |
7084 | ||
38b051a1 | 7085 | sc->post_handshake_auth = SSL_PHA_REQUEST_PENDING; |
9d75dce3 TS |
7086 | |
7087 | /* checks verify_mode and algorithm_auth */ | |
38b051a1 TM |
7088 | if (!send_certificate_request(sc)) { |
7089 | sc->post_handshake_auth = SSL_PHA_EXT_RECEIVED; /* restore on error */ | |
6849b73c | 7090 | ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_CONFIG); |
9d75dce3 TS |
7091 | return 0; |
7092 | } | |
7093 | ||
38b051a1 | 7094 | ossl_statem_set_in_init(sc, 1); |
9d75dce3 TS |
7095 | return 1; |
7096 | } | |
df0fed9a TS |
7097 | |
7098 | int SSL_CTX_set_session_ticket_cb(SSL_CTX *ctx, | |
7099 | SSL_CTX_generate_session_ticket_fn gen_cb, | |
7100 | SSL_CTX_decrypt_session_ticket_fn dec_cb, | |
7101 | void *arg) | |
7102 | { | |
7103 | ctx->generate_ticket_cb = gen_cb; | |
7104 | ctx->decrypt_ticket_cb = dec_cb; | |
7105 | ctx->ticket_cb_data = arg; | |
7106 | return 1; | |
7107 | } | |
c9598459 MC |
7108 | |
7109 | void SSL_CTX_set_allow_early_data_cb(SSL_CTX *ctx, | |
7110 | SSL_allow_early_data_cb_fn cb, | |
7111 | void *arg) | |
7112 | { | |
7113 | ctx->allow_early_data_cb = cb; | |
7114 | ctx->allow_early_data_cb_data = arg; | |
7115 | } | |
7116 | ||
7117 | void SSL_set_allow_early_data_cb(SSL *s, | |
7118 | SSL_allow_early_data_cb_fn cb, | |
7119 | void *arg) | |
7120 | { | |
38b051a1 TM |
7121 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
7122 | ||
d6e7ebba | 7123 | if (sc == NULL || IS_QUIC(s)) |
38b051a1 TM |
7124 | return; |
7125 | ||
7126 | sc->allow_early_data_cb = cb; | |
7127 | sc->allow_early_data_cb_data = arg; | |
c9598459 | 7128 | } |
c8f6c28a | 7129 | |
b4250010 | 7130 | const EVP_CIPHER *ssl_evp_cipher_fetch(OSSL_LIB_CTX *libctx, |
c8f6c28a MC |
7131 | int nid, |
7132 | const char *properties) | |
7133 | { | |
301fcb28 | 7134 | const EVP_CIPHER *ciph; |
5fcb97c6 | 7135 | |
301fcb28 MC |
7136 | ciph = tls_get_cipher_from_engine(nid); |
7137 | if (ciph != NULL) | |
7138 | return ciph; | |
0618b62c | 7139 | |
c8f6c28a | 7140 | /* |
301fcb28 MC |
7141 | * If there is no engine cipher then we do an explicit fetch. This may fail |
7142 | * and that could be ok | |
c8f6c28a | 7143 | */ |
5fcb97c6 MC |
7144 | ERR_set_mark(); |
7145 | ciph = EVP_CIPHER_fetch(libctx, OBJ_nid2sn(nid), properties); | |
7146 | ERR_pop_to_mark(); | |
7147 | return ciph; | |
c8f6c28a MC |
7148 | } |
7149 | ||
7150 | ||
7151 | int ssl_evp_cipher_up_ref(const EVP_CIPHER *cipher) | |
7152 | { | |
7153 | /* Don't up-ref an implicit EVP_CIPHER */ | |
ed576acd | 7154 | if (EVP_CIPHER_get0_provider(cipher) == NULL) |
c8f6c28a MC |
7155 | return 1; |
7156 | ||
7157 | /* | |
7158 | * The cipher was explicitly fetched and therefore it is safe to cast | |
7159 | * away the const | |
7160 | */ | |
7161 | return EVP_CIPHER_up_ref((EVP_CIPHER *)cipher); | |
7162 | } | |
7163 | ||
7164 | void ssl_evp_cipher_free(const EVP_CIPHER *cipher) | |
7165 | { | |
7166 | if (cipher == NULL) | |
7167 | return; | |
7168 | ||
ed576acd | 7169 | if (EVP_CIPHER_get0_provider(cipher) != NULL) { |
c8f6c28a MC |
7170 | /* |
7171 | * The cipher was explicitly fetched and therefore it is safe to cast | |
7172 | * away the const | |
7173 | */ | |
7174 | EVP_CIPHER_free((EVP_CIPHER *)cipher); | |
7175 | } | |
7176 | } | |
7177 | ||
b4250010 | 7178 | const EVP_MD *ssl_evp_md_fetch(OSSL_LIB_CTX *libctx, |
c8f6c28a MC |
7179 | int nid, |
7180 | const char *properties) | |
7181 | { | |
301fcb28 | 7182 | const EVP_MD *md; |
5fcb97c6 | 7183 | |
301fcb28 MC |
7184 | md = tls_get_digest_from_engine(nid); |
7185 | if (md != NULL) | |
7186 | return md; | |
c8f6c28a MC |
7187 | |
7188 | /* Otherwise we do an explicit fetch */ | |
5fcb97c6 MC |
7189 | ERR_set_mark(); |
7190 | md = EVP_MD_fetch(libctx, OBJ_nid2sn(nid), properties); | |
7191 | ERR_pop_to_mark(); | |
7192 | return md; | |
c8f6c28a MC |
7193 | } |
7194 | ||
7195 | int ssl_evp_md_up_ref(const EVP_MD *md) | |
7196 | { | |
7197 | /* Don't up-ref an implicit EVP_MD */ | |
ed576acd | 7198 | if (EVP_MD_get0_provider(md) == NULL) |
c8f6c28a MC |
7199 | return 1; |
7200 | ||
7201 | /* | |
7202 | * The digest was explicitly fetched and therefore it is safe to cast | |
7203 | * away the const | |
7204 | */ | |
7205 | return EVP_MD_up_ref((EVP_MD *)md); | |
7206 | } | |
7207 | ||
7208 | void ssl_evp_md_free(const EVP_MD *md) | |
7209 | { | |
7210 | if (md == NULL) | |
7211 | return; | |
7212 | ||
ed576acd | 7213 | if (EVP_MD_get0_provider(md) != NULL) { |
c8f6c28a MC |
7214 | /* |
7215 | * The digest was explicitly fetched and therefore it is safe to cast | |
7216 | * away the const | |
7217 | */ | |
7218 | EVP_MD_free((EVP_MD *)md); | |
7219 | } | |
7220 | } | |
163f6dc1 MC |
7221 | |
7222 | int SSL_set0_tmp_dh_pkey(SSL *s, EVP_PKEY *dhpkey) | |
7223 | { | |
38b051a1 TM |
7224 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
7225 | ||
7226 | if (sc == NULL) | |
7227 | return 0; | |
7228 | ||
7229 | if (!ssl_security(sc, SSL_SECOP_TMP_DH, | |
ed576acd | 7230 | EVP_PKEY_get_security_bits(dhpkey), 0, dhpkey)) { |
276d6c68 | 7231 | ERR_raise(ERR_LIB_SSL, SSL_R_DH_KEY_TOO_SMALL); |
163f6dc1 MC |
7232 | return 0; |
7233 | } | |
38b051a1 TM |
7234 | EVP_PKEY_free(sc->cert->dh_tmp); |
7235 | sc->cert->dh_tmp = dhpkey; | |
163f6dc1 MC |
7236 | return 1; |
7237 | } | |
7238 | ||
7239 | int SSL_CTX_set0_tmp_dh_pkey(SSL_CTX *ctx, EVP_PKEY *dhpkey) | |
7240 | { | |
7241 | if (!ssl_ctx_security(ctx, SSL_SECOP_TMP_DH, | |
ed576acd | 7242 | EVP_PKEY_get_security_bits(dhpkey), 0, dhpkey)) { |
276d6c68 | 7243 | ERR_raise(ERR_LIB_SSL, SSL_R_DH_KEY_TOO_SMALL); |
163f6dc1 MC |
7244 | return 0; |
7245 | } | |
7246 | EVP_PKEY_free(ctx->cert->dh_tmp); | |
7247 | ctx->cert->dh_tmp = dhpkey; | |
7248 | return 1; | |
7249 | } | |
68801bcb | 7250 | |
03bacce8 | 7251 | /* QUIC-specific methods which are supported on QUIC connections only. */ |
6084e04b | 7252 | int SSL_handle_events(SSL *s) |
03bacce8 HL |
7253 | { |
7254 | SSL_CONNECTION *sc; | |
03bacce8 | 7255 | |
6d495cc4 HL |
7256 | #ifndef OPENSSL_NO_QUIC |
7257 | if (IS_QUIC(s)) | |
6084e04b | 7258 | return ossl_quic_handle_events(s); |
03bacce8 HL |
7259 | #endif |
7260 | ||
7261 | sc = SSL_CONNECTION_FROM_SSL_ONLY(s); | |
7262 | if (sc != NULL && SSL_CONNECTION_IS_DTLS(sc)) | |
fbe2573d HL |
7263 | /* |
7264 | * DTLSv1_handle_timeout returns 0 if the timer wasn't expired yet, | |
7265 | * which we consider a success case. Theoretically DTLSv1_handle_timeout | |
7266 | * can also return 0 if s is NULL or not a DTLS object, but we've | |
7267 | * already ruled out those possibilities above, so this is not possible | |
7268 | * here. Thus the only failure cases are where DTLSv1_handle_timeout | |
7269 | * returns -1. | |
7270 | */ | |
7271 | return DTLSv1_handle_timeout(s) >= 0; | |
03bacce8 | 7272 | |
fbe2573d | 7273 | return 1; |
03bacce8 HL |
7274 | } |
7275 | ||
7ea49713 | 7276 | int SSL_get_event_timeout(SSL *s, struct timeval *tv, int *is_infinite) |
03bacce8 HL |
7277 | { |
7278 | SSL_CONNECTION *sc; | |
03bacce8 | 7279 | |
6d495cc4 HL |
7280 | #ifndef OPENSSL_NO_QUIC |
7281 | if (IS_QUIC(s)) | |
7ea49713 | 7282 | return ossl_quic_get_event_timeout(s, tv, is_infinite); |
03bacce8 HL |
7283 | #endif |
7284 | ||
7285 | sc = SSL_CONNECTION_FROM_SSL_ONLY(s); | |
fbe2573d | 7286 | if (sc != NULL && SSL_CONNECTION_IS_DTLS(sc) |
7ea49713 HL |
7287 | && DTLSv1_get_timeout(s, tv)) { |
7288 | *is_infinite = 0; | |
03bacce8 | 7289 | return 1; |
7ea49713 | 7290 | } |
03bacce8 | 7291 | |
7ea49713 | 7292 | tv->tv_sec = 1000000; |
fbe2573d | 7293 | tv->tv_usec = 0; |
7ea49713 | 7294 | *is_infinite = 1; |
fbe2573d | 7295 | return 1; |
03bacce8 HL |
7296 | } |
7297 | ||
68801bcb HL |
7298 | int SSL_get_rpoll_descriptor(SSL *s, BIO_POLL_DESCRIPTOR *desc) |
7299 | { | |
7300 | #ifndef OPENSSL_NO_QUIC | |
6d495cc4 | 7301 | if (!IS_QUIC(s)) |
68801bcb HL |
7302 | return -1; |
7303 | ||
6d495cc4 | 7304 | return ossl_quic_get_rpoll_descriptor(s, desc); |
68801bcb HL |
7305 | #else |
7306 | return -1; | |
7307 | #endif | |
7308 | } | |
7309 | ||
7310 | int SSL_get_wpoll_descriptor(SSL *s, BIO_POLL_DESCRIPTOR *desc) | |
7311 | { | |
7312 | #ifndef OPENSSL_NO_QUIC | |
6d495cc4 | 7313 | if (!IS_QUIC(s)) |
68801bcb HL |
7314 | return -1; |
7315 | ||
6d495cc4 | 7316 | return ossl_quic_get_wpoll_descriptor(s, desc); |
03bacce8 HL |
7317 | #else |
7318 | return -1; | |
7319 | #endif | |
7320 | } | |
7321 | ||
b639475a | 7322 | int SSL_net_read_desired(SSL *s) |
03bacce8 HL |
7323 | { |
7324 | #ifndef OPENSSL_NO_QUIC | |
6d495cc4 | 7325 | if (!IS_QUIC(s)) |
03bacce8 HL |
7326 | return 0; |
7327 | ||
6d495cc4 | 7328 | return ossl_quic_get_net_read_desired(s); |
03bacce8 HL |
7329 | #else |
7330 | return 0; | |
7331 | #endif | |
7332 | } | |
7333 | ||
b639475a | 7334 | int SSL_net_write_desired(SSL *s) |
03bacce8 HL |
7335 | { |
7336 | #ifndef OPENSSL_NO_QUIC | |
6d495cc4 | 7337 | if (!IS_QUIC(s)) |
03bacce8 HL |
7338 | return 0; |
7339 | ||
6d495cc4 | 7340 | return ossl_quic_get_net_write_desired(s); |
03bacce8 HL |
7341 | #else |
7342 | return 0; | |
7343 | #endif | |
7344 | } | |
7345 | ||
7346 | int SSL_set_blocking_mode(SSL *s, int blocking) | |
7347 | { | |
7348 | #ifndef OPENSSL_NO_QUIC | |
6d495cc4 | 7349 | if (!IS_QUIC(s)) |
03bacce8 HL |
7350 | return 0; |
7351 | ||
6d495cc4 | 7352 | return ossl_quic_conn_set_blocking_mode(s, blocking); |
03bacce8 HL |
7353 | #else |
7354 | return 0; | |
7355 | #endif | |
7356 | } | |
7357 | ||
7358 | int SSL_get_blocking_mode(SSL *s) | |
7359 | { | |
7360 | #ifndef OPENSSL_NO_QUIC | |
6d495cc4 | 7361 | if (!IS_QUIC(s)) |
03bacce8 HL |
7362 | return -1; |
7363 | ||
6d495cc4 | 7364 | return ossl_quic_conn_get_blocking_mode(s); |
03bacce8 HL |
7365 | #else |
7366 | return -1; | |
7367 | #endif | |
7368 | } | |
7369 | ||
7370 | int SSL_set_initial_peer_addr(SSL *s, const BIO_ADDR *peer_addr) | |
7371 | { | |
7372 | #ifndef OPENSSL_NO_QUIC | |
6d495cc4 | 7373 | if (!IS_QUIC(s)) |
e8043229 | 7374 | return 0; |
03bacce8 | 7375 | |
6d495cc4 | 7376 | return ossl_quic_conn_set_initial_peer_addr(s, peer_addr); |
68801bcb | 7377 | #else |
e8043229 HL |
7378 | return 0; |
7379 | #endif | |
7380 | } | |
7381 | ||
7382 | int SSL_shutdown_ex(SSL *ssl, uint64_t flags, | |
7383 | const SSL_SHUTDOWN_EX_ARGS *args, | |
7384 | size_t args_len) | |
7385 | { | |
7386 | #ifndef OPENSSL_NO_QUIC | |
6d495cc4 | 7387 | if (!IS_QUIC(ssl)) |
e8043229 HL |
7388 | return SSL_shutdown(ssl); |
7389 | ||
6d495cc4 | 7390 | return ossl_quic_conn_shutdown(ssl, flags, args, args_len); |
e8043229 HL |
7391 | #else |
7392 | return SSL_shutdown(ssl); | |
68801bcb HL |
7393 | #endif |
7394 | } | |
a9979965 HL |
7395 | |
7396 | int SSL_stream_conclude(SSL *ssl, uint64_t flags) | |
7397 | { | |
7398 | #ifndef OPENSSL_NO_QUIC | |
6d495cc4 | 7399 | if (!IS_QUIC(ssl)) |
a9979965 HL |
7400 | return 0; |
7401 | ||
6d495cc4 | 7402 | return ossl_quic_conn_stream_conclude(ssl); |
a9979965 HL |
7403 | #else |
7404 | return 0; | |
7405 | #endif | |
7406 | } | |
3c95ef22 | 7407 | |
cb5c208b HL |
7408 | SSL *SSL_new_stream(SSL *s, uint64_t flags) |
7409 | { | |
7410 | #ifndef OPENSSL_NO_QUIC | |
7411 | if (!IS_QUIC(s)) | |
7412 | return NULL; | |
7413 | ||
7414 | return ossl_quic_conn_stream_new(s, flags); | |
7415 | #else | |
7416 | return NULL; | |
7417 | #endif | |
7418 | } | |
7419 | ||
020d0389 HL |
7420 | SSL *SSL_get0_connection(SSL *s) |
7421 | { | |
7422 | #ifndef OPENSSL_NO_QUIC | |
7423 | if (!IS_QUIC(s)) | |
7424 | return s; | |
7425 | ||
7426 | return ossl_quic_get0_connection(s); | |
7427 | #else | |
7428 | return s; | |
7429 | #endif | |
7430 | } | |
7431 | ||
e1dee2e3 HL |
7432 | int SSL_is_connection(SSL *s) |
7433 | { | |
7434 | return SSL_get0_connection(s) == s; | |
7435 | } | |
7436 | ||
1bca3f1b HL |
7437 | int SSL_get_stream_type(SSL *s) |
7438 | { | |
7439 | #ifndef OPENSSL_NO_QUIC | |
7440 | if (!IS_QUIC(s)) | |
7441 | return SSL_STREAM_TYPE_BIDI; | |
7442 | ||
7443 | return ossl_quic_get_stream_type(s); | |
7444 | #else | |
7445 | return SSL_STREAM_TYPE_BIDI; | |
7446 | #endif | |
7447 | } | |
7448 | ||
19cb0887 HL |
7449 | uint64_t SSL_get_stream_id(SSL *s) |
7450 | { | |
7451 | #ifndef OPENSSL_NO_QUIC | |
7452 | if (!IS_QUIC(s)) | |
7453 | return UINT64_MAX; | |
7454 | ||
7455 | return ossl_quic_get_stream_id(s); | |
7456 | #else | |
7457 | return UINT64_MAX; | |
7458 | #endif | |
7459 | } | |
7460 | ||
8b7be3aa HL |
7461 | int SSL_set_default_stream_mode(SSL *s, uint32_t mode) |
7462 | { | |
7463 | #ifndef OPENSSL_NO_QUIC | |
7464 | if (!IS_QUIC(s)) | |
7465 | return 0; | |
7466 | ||
7467 | return ossl_quic_set_default_stream_mode(s, mode); | |
7468 | #else | |
7469 | return 0; | |
7470 | #endif | |
7471 | } | |
7472 | ||
83df44ae | 7473 | int SSL_set_incoming_stream_policy(SSL *s, int policy, uint64_t aec) |
8a90df34 HL |
7474 | { |
7475 | #ifndef OPENSSL_NO_QUIC | |
7476 | if (!IS_QUIC(s)) | |
7477 | return 0; | |
7478 | ||
83df44ae | 7479 | return ossl_quic_set_incoming_stream_policy(s, policy, aec); |
8a90df34 HL |
7480 | #else |
7481 | return 0; | |
7482 | #endif | |
7483 | } | |
7484 | ||
cb68ce9f HL |
7485 | SSL *SSL_accept_stream(SSL *s, uint64_t flags) |
7486 | { | |
7487 | #ifndef OPENSSL_NO_QUIC | |
7488 | if (!IS_QUIC(s)) | |
7489 | return NULL; | |
7490 | ||
7491 | return ossl_quic_accept_stream(s, flags); | |
7492 | #else | |
7493 | return NULL; | |
7494 | #endif | |
7495 | } | |
7496 | ||
7497 | size_t SSL_get_accept_stream_queue_len(SSL *s) | |
7498 | { | |
7499 | #ifndef OPENSSL_NO_QUIC | |
7500 | if (!IS_QUIC(s)) | |
7501 | return 0; | |
7502 | ||
7503 | return ossl_quic_get_accept_stream_queue_len(s); | |
7504 | #else | |
7505 | return 0; | |
7506 | #endif | |
7507 | } | |
7508 | ||
c3a04ea2 HL |
7509 | int SSL_stream_reset(SSL *s, |
7510 | const SSL_STREAM_RESET_ARGS *args, | |
7511 | size_t args_len) | |
7512 | { | |
7513 | #ifndef OPENSSL_NO_QUIC | |
7514 | if (!IS_QUIC(s)) | |
7515 | return 0; | |
7516 | ||
7517 | return ossl_quic_stream_reset(s, args, args_len); | |
7518 | #else | |
7519 | return 0; | |
7520 | #endif | |
7521 | } | |
7522 | ||
7523 | int SSL_get_stream_read_state(SSL *s) | |
7524 | { | |
7525 | #ifndef OPENSSL_NO_QUIC | |
7526 | if (!IS_QUIC(s)) | |
7527 | return SSL_STREAM_STATE_NONE; | |
7528 | ||
7529 | return ossl_quic_get_stream_read_state(s); | |
7530 | #else | |
7531 | return SSL_STREAM_STATE_NONE; | |
7532 | #endif | |
7533 | } | |
7534 | ||
7535 | int SSL_get_stream_write_state(SSL *s) | |
7536 | { | |
7537 | #ifndef OPENSSL_NO_QUIC | |
7538 | if (!IS_QUIC(s)) | |
7539 | return SSL_STREAM_STATE_NONE; | |
7540 | ||
7541 | return ossl_quic_get_stream_write_state(s); | |
7542 | #else | |
7543 | return SSL_STREAM_STATE_NONE; | |
7544 | #endif | |
7545 | } | |
7546 | ||
7547 | int SSL_get_stream_read_error_code(SSL *s, uint64_t *app_error_code) | |
7548 | { | |
7549 | #ifndef OPENSSL_NO_QUIC | |
7550 | if (!IS_QUIC(s)) | |
7551 | return -1; | |
7552 | ||
7553 | return ossl_quic_get_stream_read_error_code(s, app_error_code); | |
7554 | #else | |
7555 | return -1; | |
7556 | #endif | |
7557 | } | |
7558 | ||
7559 | int SSL_get_stream_write_error_code(SSL *s, uint64_t *app_error_code) | |
7560 | { | |
7561 | #ifndef OPENSSL_NO_QUIC | |
7562 | if (!IS_QUIC(s)) | |
7563 | return -1; | |
7564 | ||
7565 | return ossl_quic_get_stream_write_error_code(s, app_error_code); | |
7566 | #else | |
7567 | return -1; | |
7568 | #endif | |
7569 | } | |
7570 | ||
7571 | int SSL_get_conn_close_info(SSL *s, SSL_CONN_CLOSE_INFO *info, | |
7572 | size_t info_len) | |
7573 | { | |
7574 | #ifndef OPENSSL_NO_QUIC | |
7575 | if (!IS_QUIC(s)) | |
7576 | return -1; | |
7577 | ||
7578 | return ossl_quic_get_conn_close_info(s, info, info_len); | |
7579 | #else | |
7580 | return -1; | |
7581 | #endif | |
7582 | } | |
7583 | ||
3c95ef22 TS |
7584 | int SSL_add_expected_rpk(SSL *s, EVP_PKEY *rpk) |
7585 | { | |
7586 | unsigned char *data = NULL; | |
7587 | SSL_DANE *dane = SSL_get0_dane(s); | |
7588 | int ret; | |
7589 | ||
7590 | if (dane == NULL || dane->dctx == NULL) | |
7591 | return 0; | |
7592 | if ((ret = i2d_PUBKEY(rpk, &data)) <= 0) | |
7593 | return 0; | |
7594 | ||
7595 | ret = SSL_dane_tlsa_add(s, DANETLS_USAGE_DANE_EE, | |
7596 | DANETLS_SELECTOR_SPKI, | |
7597 | DANETLS_MATCHING_FULL, | |
7598 | data, (size_t)ret) > 0; | |
7599 | OPENSSL_free(data); | |
7600 | return ret; | |
7601 | } | |
7602 | ||
7603 | EVP_PKEY *SSL_get0_peer_rpk(const SSL *s) | |
7604 | { | |
7605 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
7606 | ||
7607 | if (sc == NULL || sc->session == NULL) | |
7608 | return NULL; | |
7609 | return sc->session->peer_rpk; | |
7610 | } | |
7611 | ||
7612 | int SSL_get_negotiated_client_cert_type(const SSL *s) | |
7613 | { | |
7614 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
7615 | ||
7616 | if (sc == NULL) | |
7617 | return 0; | |
7618 | ||
7619 | return sc->ext.client_cert_type; | |
7620 | } | |
7621 | ||
7622 | int SSL_get_negotiated_server_cert_type(const SSL *s) | |
7623 | { | |
7624 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
7625 | ||
7626 | if (sc == NULL) | |
7627 | return 0; | |
7628 | ||
7629 | return sc->ext.server_cert_type; | |
7630 | } | |
7631 | ||
7632 | static int validate_cert_type(const unsigned char *val, size_t len) | |
7633 | { | |
7634 | size_t i; | |
7635 | int saw_rpk = 0; | |
7636 | int saw_x509 = 0; | |
7637 | ||
7638 | if (val == NULL && len == 0) | |
7639 | return 1; | |
7640 | ||
7641 | if (val == NULL || len == 0) | |
7642 | return 0; | |
7643 | ||
7644 | for (i = 0; i < len; i++) { | |
7645 | switch (val[i]) { | |
7646 | case TLSEXT_cert_type_rpk: | |
7647 | if (saw_rpk) | |
7648 | return 0; | |
7649 | saw_rpk = 1; | |
7650 | break; | |
7651 | case TLSEXT_cert_type_x509: | |
7652 | if (saw_x509) | |
7653 | return 0; | |
7654 | saw_x509 = 1; | |
7655 | break; | |
7656 | case TLSEXT_cert_type_pgp: | |
7657 | case TLSEXT_cert_type_1609dot2: | |
7658 | default: | |
7659 | return 0; | |
7660 | } | |
7661 | } | |
7662 | return 1; | |
7663 | } | |
7664 | ||
7665 | static int set_cert_type(unsigned char **cert_type, | |
7666 | size_t *cert_type_len, | |
7667 | const unsigned char *val, | |
7668 | size_t len) | |
7669 | { | |
7670 | unsigned char *tmp = NULL; | |
7671 | ||
7672 | if (!validate_cert_type(val, len)) | |
7673 | return 0; | |
7674 | ||
7675 | if (val != NULL && (tmp = OPENSSL_memdup(val, len)) == NULL) | |
7676 | return 0; | |
7677 | ||
7678 | OPENSSL_free(*cert_type); | |
7679 | *cert_type = tmp; | |
7680 | *cert_type_len = len; | |
7681 | return 1; | |
7682 | } | |
7683 | ||
7684 | int SSL_set1_client_cert_type(SSL *s, const unsigned char *val, size_t len) | |
7685 | { | |
7686 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
7687 | ||
7688 | return set_cert_type(&sc->client_cert_type, &sc->client_cert_type_len, | |
7689 | val, len); | |
7690 | } | |
7691 | ||
7692 | int SSL_set1_server_cert_type(SSL *s, const unsigned char *val, size_t len) | |
7693 | { | |
7694 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
7695 | ||
7696 | return set_cert_type(&sc->server_cert_type, &sc->server_cert_type_len, | |
7697 | val, len); | |
7698 | } | |
7699 | ||
7700 | int SSL_CTX_set1_client_cert_type(SSL_CTX *ctx, const unsigned char *val, size_t len) | |
7701 | { | |
7702 | return set_cert_type(&ctx->client_cert_type, &ctx->client_cert_type_len, | |
7703 | val, len); | |
7704 | } | |
7705 | ||
7706 | int SSL_CTX_set1_server_cert_type(SSL_CTX *ctx, const unsigned char *val, size_t len) | |
7707 | { | |
7708 | return set_cert_type(&ctx->server_cert_type, &ctx->server_cert_type_len, | |
7709 | val, len); | |
7710 | } | |
7711 | ||
7712 | int SSL_get0_client_cert_type(const SSL *s, unsigned char **t, size_t *len) | |
7713 | { | |
7714 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); | |
7715 | ||
7716 | if (t == NULL || len == NULL) | |
7717 | return 0; | |
7718 | ||
7719 | *t = sc->client_cert_type; | |
7720 | *len = sc->client_cert_type_len; | |
7721 | return 1; | |
7722 | } | |
7723 | ||
7724 | int SSL_get0_server_cert_type(const SSL *s, unsigned char **t, size_t *len) | |
7725 | { | |
7726 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); | |
7727 | ||
7728 | if (t == NULL || len == NULL) | |
7729 | return 0; | |
7730 | ||
7731 | *t = sc->server_cert_type; | |
7732 | *len = sc->server_cert_type_len; | |
7733 | return 1; | |
7734 | } | |
7735 | ||
7736 | int SSL_CTX_get0_client_cert_type(const SSL_CTX *ctx, unsigned char **t, size_t *len) | |
7737 | { | |
7738 | if (t == NULL || len == NULL) | |
7739 | return 0; | |
7740 | ||
7741 | *t = ctx->client_cert_type; | |
7742 | *len = ctx->client_cert_type_len; | |
7743 | return 1; | |
7744 | } | |
7745 | ||
7746 | int SSL_CTX_get0_server_cert_type(const SSL_CTX *ctx, unsigned char **t, size_t *len) | |
7747 | { | |
7748 | if (t == NULL || len == NULL) | |
7749 | return 0; | |
7750 | ||
7751 | *t = ctx->server_cert_type; | |
7752 | *len = ctx->server_cert_type_len; | |
7753 | return 1; | |
7754 | } |