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0f113f3e | 1 | /* |
fecb3aae | 2 | * Copyright 1995-2022 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 | */ | |
428 | static int ssl_check_allowed_versions(int min_version, int max_version) | |
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 DMSP |
475 | if (min_version == 0) |
476 | min_version = SSL3_VERSION; | |
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, | |
556 | OSSL_RECORD_PROTECTION_LEVEL_NONE, | |
557 | NULL, 0, NULL, 0, NULL, 0, NULL, 0, | |
558 | NID_undef, NULL, NULL); | |
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, | |
564 | OSSL_RECORD_PROTECTION_LEVEL_NONE, | |
565 | NULL, 0, NULL, 0, NULL, 0, NULL, 0, | |
566 | NID_undef, NULL, NULL); | |
567 | /* SSLfatal already called in the event of failure */ | |
568 | return ret; | |
d31fb0b5 RS |
569 | } |
570 | ||
4f43d0e7 | 571 | int SSL_clear(SSL *s) |
0f113f3e | 572 | { |
0f113f3e | 573 | if (s->method == NULL) { |
6849b73c | 574 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_METHOD_SPECIFIED); |
a89325e4 | 575 | return 0; |
0f113f3e | 576 | } |
d02b48c6 | 577 | |
38b051a1 TM |
578 | return s->method->ssl_reset(s); |
579 | } | |
580 | ||
581 | int ossl_ssl_connection_reset(SSL *s) | |
582 | { | |
583 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
584 | ||
585 | if (sc == NULL) | |
586 | return 0; | |
587 | ||
588 | if (ssl_clear_bad_session(sc)) { | |
589 | SSL_SESSION_free(sc->session); | |
590 | sc->session = NULL; | |
0f113f3e | 591 | } |
38b051a1 TM |
592 | SSL_SESSION_free(sc->psksession); |
593 | sc->psksession = NULL; | |
594 | OPENSSL_free(sc->psksession_id); | |
595 | sc->psksession_id = NULL; | |
596 | sc->psksession_id_len = 0; | |
597 | sc->hello_retry_request = 0; | |
598 | sc->sent_tickets = 0; | |
d62bfb39 | 599 | |
38b051a1 TM |
600 | sc->error = 0; |
601 | sc->hit = 0; | |
602 | sc->shutdown = 0; | |
d02b48c6 | 603 | |
38b051a1 | 604 | if (sc->renegotiate) { |
6849b73c | 605 | ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR); |
0f113f3e MC |
606 | return 0; |
607 | } | |
d02b48c6 | 608 | |
38b051a1 | 609 | ossl_statem_clear(sc); |
413c4f45 | 610 | |
38b051a1 TM |
611 | /* TODO(QUIC): Version handling not yet clear */ |
612 | sc->version = s->method->version; | |
613 | sc->client_version = sc->version; | |
614 | sc->rwstate = SSL_NOTHING; | |
d02b48c6 | 615 | |
38b051a1 TM |
616 | BUF_MEM_free(sc->init_buf); |
617 | sc->init_buf = NULL; | |
38b051a1 | 618 | sc->first_packet = 0; |
d02b48c6 | 619 | |
38b051a1 | 620 | sc->key_update = SSL_KEY_UPDATE_NONE; |
b67cb09f TS |
621 | memset(sc->ext.compress_certificate_from_peer, 0, |
622 | sizeof(sc->ext.compress_certificate_from_peer)); | |
623 | sc->ext.compress_certificate_sent = 0; | |
44c04a2e | 624 | |
38b051a1 TM |
625 | EVP_MD_CTX_free(sc->pha_dgst); |
626 | sc->pha_dgst = NULL; | |
88834998 | 627 | |
919ba009 | 628 | /* Reset DANE verification result state */ |
38b051a1 TM |
629 | sc->dane.mdpth = -1; |
630 | sc->dane.pdpth = -1; | |
631 | X509_free(sc->dane.mcert); | |
632 | sc->dane.mcert = NULL; | |
633 | sc->dane.mtlsa = NULL; | |
919ba009 VD |
634 | |
635 | /* Clear the verification result peername */ | |
38b051a1 | 636 | X509_VERIFY_PARAM_move_peername(sc->param, NULL); |
919ba009 | 637 | |
29948ac8 | 638 | /* Clear any shared connection state */ |
38b051a1 TM |
639 | OPENSSL_free(sc->shared_sigalgs); |
640 | sc->shared_sigalgs = NULL; | |
641 | sc->shared_sigalgslen = 0; | |
29948ac8 | 642 | |
0f113f3e MC |
643 | /* |
644 | * Check to see if we were changed into a different method, if so, revert | |
24252537 | 645 | * back. |
0f113f3e | 646 | */ |
38b051a1 TM |
647 | if (s->method != SSL_CONNECTION_GET_CTX(sc)->method) { |
648 | s->method->ssl_deinit(s); | |
649 | s->method = SSL_CONNECTION_GET_CTX(sc)->method; | |
650 | if (!s->method->ssl_init(s)) | |
a89325e4 | 651 | return 0; |
b77f3ed1 MC |
652 | } else { |
653 | if (!s->method->ssl_clear(s)) | |
654 | return 0; | |
655 | } | |
33d23b87 | 656 | |
38b051a1 | 657 | RECORD_LAYER_clear(&sc->rlayer); |
cffafb5f MC |
658 | BIO_free(sc->rlayer.rrlnext); |
659 | sc->rlayer.rrlnext = NULL; | |
33d23b87 | 660 | |
6d814fd6 | 661 | if (!clear_record_layer(sc)) |
2b71b042 | 662 | return 0; |
aedbb71b | 663 | |
a89325e4 | 664 | return 1; |
0f113f3e | 665 | } |
d02b48c6 | 666 | |
dd0164e7 | 667 | #ifndef OPENSSL_NO_DEPRECATED_3_0 |
4f43d0e7 | 668 | /** Used to change an SSL_CTXs default SSL method type */ |
0f113f3e MC |
669 | int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth) |
670 | { | |
671 | STACK_OF(SSL_CIPHER) *sk; | |
672 | ||
673 | ctx->method = meth; | |
674 | ||
5d120511 | 675 | if (!SSL_CTX_set_ciphersuites(ctx, OSSL_default_ciphersuites())) { |
6849b73c | 676 | ERR_raise(ERR_LIB_SSL, SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS); |
2340ed27 BK |
677 | return 0; |
678 | } | |
a68eee67 | 679 | sk = ssl_create_cipher_list(ctx, |
f865b081 MC |
680 | ctx->tls13_ciphersuites, |
681 | &(ctx->cipher_list), | |
0f113f3e | 682 | &(ctx->cipher_list_by_id), |
5d120511 | 683 | OSSL_default_cipher_list(), ctx->cert); |
0f113f3e | 684 | if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0)) { |
6849b73c | 685 | ERR_raise(ERR_LIB_SSL, SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS); |
26a7d938 | 686 | return 0; |
0f113f3e | 687 | } |
208fb891 | 688 | return 1; |
0f113f3e | 689 | } |
dd0164e7 | 690 | #endif |
d02b48c6 | 691 | |
4f43d0e7 | 692 | SSL *SSL_new(SSL_CTX *ctx) |
0f113f3e | 693 | { |
0f113f3e | 694 | if (ctx == NULL) { |
6849b73c | 695 | ERR_raise(ERR_LIB_SSL, SSL_R_NULL_SSL_CTX); |
26a7d938 | 696 | return NULL; |
0f113f3e MC |
697 | } |
698 | if (ctx->method == NULL) { | |
6849b73c | 699 | ERR_raise(ERR_LIB_SSL, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION); |
26a7d938 | 700 | return NULL; |
0f113f3e | 701 | } |
38b051a1 TM |
702 | return ctx->method->ssl_new(ctx); |
703 | } | |
704 | ||
705 | int ossl_ssl_init(SSL *ssl, SSL_CTX *ctx, int type) | |
706 | { | |
707 | ssl->type = type; | |
708 | ||
709 | ssl->references = 1; | |
710 | ssl->lock = CRYPTO_THREAD_lock_new(); | |
711 | if (ssl->lock == NULL) | |
712 | return 0; | |
713 | ||
714 | SSL_CTX_up_ref(ctx); | |
715 | ssl->ctx = ctx; | |
716 | ||
717 | ssl->method = ctx->method; | |
718 | ||
719 | if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, ssl, &ssl->ex_data)) | |
720 | return 0; | |
721 | ||
722 | return 1; | |
723 | } | |
724 | ||
725 | SSL *ossl_ssl_connection_new(SSL_CTX *ctx) | |
726 | { | |
727 | SSL_CONNECTION *s; | |
728 | SSL *ssl; | |
0f113f3e | 729 | |
b51bce94 | 730 | s = OPENSSL_zalloc(sizeof(*s)); |
0f113f3e | 731 | if (s == NULL) |
38b051a1 | 732 | return NULL; |
0f113f3e | 733 | |
38b051a1 TM |
734 | ssl = &s->ssl; |
735 | if (!ossl_ssl_init(ssl, ctx, SSL_TYPE_SSL_CONNECTION)) { | |
e6b10c34 BE |
736 | OPENSSL_free(s); |
737 | s = NULL; | |
e077455e | 738 | goto sslerr; |
e6b10c34 | 739 | } |
ae3947de | 740 | |
38b051a1 TM |
741 | #ifndef OPENSSL_NO_QUIC |
742 | /* set the parent (user visible) ssl to self */ | |
743 | s->user_ssl = ssl; | |
744 | #endif | |
745 | ||
c036e210 | 746 | RECORD_LAYER_init(&s->rlayer, s); |
28d59af8 | 747 | |
0f113f3e | 748 | s->options = ctx->options; |
5ae4ceb9 | 749 | s->dane.flags = ctx->dane.flags; |
7946ab33 KR |
750 | s->min_proto_version = ctx->min_proto_version; |
751 | s->max_proto_version = ctx->max_proto_version; | |
0f113f3e MC |
752 | s->mode = ctx->mode; |
753 | s->max_cert_list = ctx->max_cert_list; | |
3fc8d856 | 754 | s->max_early_data = ctx->max_early_data; |
4e8548e8 | 755 | s->recv_max_early_data = ctx->recv_max_early_data; |
9d0a8bb7 | 756 | s->num_tickets = ctx->num_tickets; |
e97be718 | 757 | s->pha_enabled = ctx->pha_enabled; |
0f113f3e | 758 | |
f865b081 MC |
759 | /* Shallow copy of the ciphersuites stack */ |
760 | s->tls13_ciphersuites = sk_SSL_CIPHER_dup(ctx->tls13_ciphersuites); | |
761 | if (s->tls13_ciphersuites == NULL) | |
e077455e | 762 | goto cerr; |
f865b081 | 763 | |
2c382349 KR |
764 | /* |
765 | * Earlier library versions used to copy the pointer to the CERT, not | |
766 | * its contents; only when setting new parameters for the per-SSL | |
767 | * copy, ssl_cert_new would be called (and the direct reference to | |
768 | * the per-SSL_CTX settings would be lost, but those still were | |
769 | * indirectly accessed for various purposes, and for that reason they | |
770 | * used to be known as s->ctx->default_cert). Now we don't look at the | |
771 | * SSL_CTX's CERT after having duplicated it once. | |
772 | */ | |
773 | s->cert = ssl_cert_dup(ctx->cert); | |
774 | if (s->cert == NULL) | |
e077455e | 775 | goto sslerr; |
0f113f3e | 776 | |
52e1d7b1 | 777 | RECORD_LAYER_set_read_ahead(&s->rlayer, ctx->read_ahead); |
0f113f3e MC |
778 | s->msg_callback = ctx->msg_callback; |
779 | s->msg_callback_arg = ctx->msg_callback_arg; | |
780 | s->verify_mode = ctx->verify_mode; | |
781 | s->not_resumable_session_cb = ctx->not_resumable_session_cb; | |
eb7d6c2a MC |
782 | s->rlayer.record_padding_cb = ctx->record_padding_cb; |
783 | s->rlayer.record_padding_arg = ctx->record_padding_arg; | |
784 | s->rlayer.block_padding = ctx->block_padding; | |
0f113f3e | 785 | s->sid_ctx_length = ctx->sid_ctx_length; |
cbe29648 | 786 | if (!ossl_assert(s->sid_ctx_length <= sizeof(s->sid_ctx))) |
380a522f | 787 | goto err; |
0f113f3e MC |
788 | memcpy(&s->sid_ctx, &ctx->sid_ctx, sizeof(s->sid_ctx)); |
789 | s->verify_callback = ctx->default_verify_callback; | |
790 | s->generate_session_id = ctx->generate_session_id; | |
791 | ||
792 | s->param = X509_VERIFY_PARAM_new(); | |
a71edf3b | 793 | if (s->param == NULL) |
e077455e | 794 | goto asn1err; |
0f113f3e | 795 | X509_VERIFY_PARAM_inherit(s->param, ctx->param); |
0f113f3e | 796 | s->quiet_shutdown = ctx->quiet_shutdown; |
cf72c757 F |
797 | |
798 | s->ext.max_fragment_len_mode = ctx->ext.max_fragment_len_mode; | |
0f113f3e | 799 | s->max_send_fragment = ctx->max_send_fragment; |
d102d9df MC |
800 | s->split_send_fragment = ctx->split_send_fragment; |
801 | s->max_pipelines = ctx->max_pipelines; | |
cffafb5f | 802 | s->rlayer.default_read_buf_len = ctx->default_read_buf_len; |
bf21446a | 803 | |
aff8c126 RS |
804 | s->ext.debug_cb = 0; |
805 | s->ext.debug_arg = NULL; | |
806 | s->ext.ticket_expected = 0; | |
807 | s->ext.status_type = ctx->ext.status_type; | |
808 | s->ext.status_expected = 0; | |
809 | s->ext.ocsp.ids = NULL; | |
810 | s->ext.ocsp.exts = NULL; | |
811 | s->ext.ocsp.resp = NULL; | |
812 | s->ext.ocsp.resp_len = 0; | |
16203f7b | 813 | SSL_CTX_up_ref(ctx); |
222da979 | 814 | s->session_ctx = ctx; |
aff8c126 RS |
815 | if (ctx->ext.ecpointformats) { |
816 | s->ext.ecpointformats = | |
817 | OPENSSL_memdup(ctx->ext.ecpointformats, | |
818 | ctx->ext.ecpointformats_len); | |
39a14059 MC |
819 | if (!s->ext.ecpointformats) { |
820 | s->ext.ecpointformats_len = 0; | |
0f113f3e | 821 | goto err; |
39a14059 | 822 | } |
aff8c126 RS |
823 | s->ext.ecpointformats_len = |
824 | ctx->ext.ecpointformats_len; | |
825 | } | |
826 | if (ctx->ext.supportedgroups) { | |
827 | s->ext.supportedgroups = | |
828 | OPENSSL_memdup(ctx->ext.supportedgroups, | |
9e84a42d | 829 | ctx->ext.supportedgroups_len |
b92d7b62 | 830 | * sizeof(*ctx->ext.supportedgroups)); |
39a14059 MC |
831 | if (!s->ext.supportedgroups) { |
832 | s->ext.supportedgroups_len = 0; | |
0f113f3e | 833 | goto err; |
39a14059 | 834 | } |
aff8c126 | 835 | s->ext.supportedgroups_len = ctx->ext.supportedgroups_len; |
0f113f3e | 836 | } |
dbc6268f | 837 | |
a230b26e | 838 | #ifndef OPENSSL_NO_NEXTPROTONEG |
aff8c126 | 839 | s->ext.npn = NULL; |
a230b26e | 840 | #endif |
6f017a8f | 841 | |
38b051a1 TM |
842 | if (ctx->ext.alpn != NULL) { |
843 | s->ext.alpn = OPENSSL_malloc(ctx->ext.alpn_len); | |
39a14059 MC |
844 | if (s->ext.alpn == NULL) { |
845 | s->ext.alpn_len = 0; | |
0f113f3e | 846 | goto err; |
39a14059 | 847 | } |
38b051a1 TM |
848 | memcpy(s->ext.alpn, ctx->ext.alpn, ctx->ext.alpn_len); |
849 | s->ext.alpn_len = ctx->ext.alpn_len; | |
0f113f3e | 850 | } |
d02b48c6 | 851 | |
696178ed | 852 | s->verified_chain = NULL; |
0f113f3e | 853 | s->verify_result = X509_V_OK; |
d02b48c6 | 854 | |
a974e64a MC |
855 | s->default_passwd_callback = ctx->default_passwd_callback; |
856 | s->default_passwd_callback_userdata = ctx->default_passwd_callback_userdata; | |
857 | ||
44c04a2e MC |
858 | s->key_update = SSL_KEY_UPDATE_NONE; |
859 | ||
c9598459 MC |
860 | s->allow_early_data_cb = ctx->allow_early_data_cb; |
861 | s->allow_early_data_cb_data = ctx->allow_early_data_cb_data; | |
862 | ||
38b051a1 | 863 | if (!ssl->method->ssl_init(ssl)) |
e077455e | 864 | goto sslerr; |
d02b48c6 | 865 | |
0f113f3e | 866 | s->server = (ctx->method->ssl_accept == ssl_undefined_function) ? 0 : 1; |
bf21446a | 867 | |
38b051a1 | 868 | if (!SSL_clear(ssl)) |
e077455e | 869 | goto sslerr; |
58964a49 | 870 | |
ddac1974 | 871 | #ifndef OPENSSL_NO_PSK |
0f113f3e MC |
872 | s->psk_client_callback = ctx->psk_client_callback; |
873 | s->psk_server_callback = ctx->psk_server_callback; | |
ddac1974 | 874 | #endif |
f46184bd MC |
875 | s->psk_find_session_cb = ctx->psk_find_session_cb; |
876 | s->psk_use_session_cb = ctx->psk_use_session_cb; | |
ddac1974 | 877 | |
9f5a87fd PY |
878 | s->async_cb = ctx->async_cb; |
879 | s->async_cb_arg = ctx->async_cb_arg; | |
880 | ||
07bbc92c MC |
881 | s->job = NULL; |
882 | ||
b67cb09f TS |
883 | #ifndef OPENSSL_NO_COMP_ALG |
884 | memcpy(s->cert_comp_prefs, ctx->cert_comp_prefs, sizeof(s->cert_comp_prefs)); | |
885 | #endif | |
886 | ||
ed29e82a | 887 | #ifndef OPENSSL_NO_CT |
38b051a1 | 888 | if (!SSL_set_ct_validation_callback(ssl, ctx->ct_validation_callback, |
a230b26e | 889 | ctx->ct_validation_callback_arg)) |
e077455e | 890 | goto sslerr; |
ed29e82a RP |
891 | #endif |
892 | ||
38b051a1 | 893 | return ssl; |
e077455e RL |
894 | cerr: |
895 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); | |
896 | goto err; | |
897 | asn1err: | |
898 | ERR_raise(ERR_LIB_SSL, ERR_R_ASN1_LIB); | |
899 | goto err; | |
900 | sslerr: | |
901 | ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB); | |
0f113f3e | 902 | err: |
38b051a1 | 903 | SSL_free(ssl); |
16203f7b | 904 | return NULL; |
0f113f3e | 905 | } |
d02b48c6 | 906 | |
e417070c RS |
907 | int SSL_is_dtls(const SSL *s) |
908 | { | |
38b051a1 TM |
909 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
910 | ||
911 | if (sc == NULL) | |
912 | return 0; | |
913 | ||
914 | return SSL_CONNECTION_IS_DTLS(sc) ? 1 : 0; | |
e417070c RS |
915 | } |
916 | ||
c5ebfcab | 917 | int SSL_up_ref(SSL *s) |
a18a31e4 | 918 | { |
16203f7b | 919 | int i; |
c5ebfcab | 920 | |
2f545ae4 | 921 | if (CRYPTO_UP_REF(&s->references, &i, s->lock) <= 0) |
c5ebfcab F |
922 | return 0; |
923 | ||
924 | REF_PRINT_COUNT("SSL", s); | |
925 | REF_ASSERT_ISNT(i < 2); | |
926 | return ((i > 1) ? 1 : 0); | |
a18a31e4 MC |
927 | } |
928 | ||
0f113f3e MC |
929 | int SSL_CTX_set_session_id_context(SSL_CTX *ctx, const unsigned char *sid_ctx, |
930 | unsigned int sid_ctx_len) | |
931 | { | |
fe9edc9d | 932 | if (sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) { |
6849b73c | 933 | ERR_raise(ERR_LIB_SSL, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); |
0f113f3e MC |
934 | return 0; |
935 | } | |
936 | ctx->sid_ctx_length = sid_ctx_len; | |
937 | memcpy(ctx->sid_ctx, sid_ctx, sid_ctx_len); | |
4eb77b26 BM |
938 | |
939 | return 1; | |
0f113f3e | 940 | } |
4eb77b26 | 941 | |
0f113f3e MC |
942 | int SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx, |
943 | unsigned int sid_ctx_len) | |
944 | { | |
38b051a1 TM |
945 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
946 | ||
947 | if (sc == NULL) | |
948 | return 0; | |
949 | ||
0f113f3e | 950 | if (sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) { |
6849b73c | 951 | ERR_raise(ERR_LIB_SSL, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); |
0f113f3e MC |
952 | return 0; |
953 | } | |
38b051a1 TM |
954 | sc->sid_ctx_length = sid_ctx_len; |
955 | memcpy(sc->sid_ctx, sid_ctx, sid_ctx_len); | |
b4cadc6e BL |
956 | |
957 | return 1; | |
0f113f3e | 958 | } |
b4cadc6e | 959 | |
dc644fe2 | 960 | int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb) |
0f113f3e | 961 | { |
cd3f8c1b RS |
962 | if (!CRYPTO_THREAD_write_lock(ctx->lock)) |
963 | return 0; | |
0f113f3e | 964 | ctx->generate_session_id = cb; |
16203f7b | 965 | CRYPTO_THREAD_unlock(ctx->lock); |
0f113f3e MC |
966 | return 1; |
967 | } | |
dc644fe2 GT |
968 | |
969 | int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb) | |
0f113f3e | 970 | { |
38b051a1 TM |
971 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
972 | ||
973 | if (sc == NULL || !CRYPTO_THREAD_write_lock(ssl->lock)) | |
cd3f8c1b | 974 | return 0; |
38b051a1 | 975 | sc->generate_session_id = cb; |
16203f7b | 976 | CRYPTO_THREAD_unlock(ssl->lock); |
0f113f3e MC |
977 | return 1; |
978 | } | |
dc644fe2 | 979 | |
f85c9904 | 980 | int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id, |
0f113f3e MC |
981 | unsigned int id_len) |
982 | { | |
983 | /* | |
984 | * A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how | |
69687aa8 | 985 | * we can "construct" a session to give us the desired check - i.e. to |
0f113f3e MC |
986 | * find if there's a session in the hash table that would conflict with |
987 | * any new session built out of this id/id_len and the ssl_version in use | |
988 | * by this SSL. | |
989 | */ | |
990 | SSL_SESSION r, *p; | |
38b051a1 | 991 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl); |
0f113f3e | 992 | |
38b051a1 | 993 | if (sc == NULL || id_len > sizeof(r.session_id)) |
0f113f3e MC |
994 | return 0; |
995 | ||
38b051a1 | 996 | r.ssl_version = sc->version; |
0f113f3e MC |
997 | r.session_id_length = id_len; |
998 | memcpy(r.session_id, id, id_len); | |
999 | ||
38b051a1 | 1000 | if (!CRYPTO_THREAD_read_lock(sc->session_ctx->lock)) |
cd3f8c1b | 1001 | return 0; |
38b051a1 TM |
1002 | p = lh_SSL_SESSION_retrieve(sc->session_ctx->sessions, &r); |
1003 | CRYPTO_THREAD_unlock(sc->session_ctx->lock); | |
0f113f3e MC |
1004 | return (p != NULL); |
1005 | } | |
dc644fe2 | 1006 | |
bb7cd4e3 | 1007 | int SSL_CTX_set_purpose(SSL_CTX *s, int purpose) |
0f113f3e MC |
1008 | { |
1009 | return X509_VERIFY_PARAM_set_purpose(s->param, purpose); | |
1010 | } | |
bb7cd4e3 DSH |
1011 | |
1012 | int SSL_set_purpose(SSL *s, int purpose) | |
0f113f3e | 1013 | { |
38b051a1 TM |
1014 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1015 | ||
1016 | if (sc == NULL) | |
1017 | return 0; | |
1018 | ||
1019 | return X509_VERIFY_PARAM_set_purpose(sc->param, purpose); | |
0f113f3e | 1020 | } |
926a56bf | 1021 | |
bb7cd4e3 | 1022 | int SSL_CTX_set_trust(SSL_CTX *s, int trust) |
0f113f3e MC |
1023 | { |
1024 | return X509_VERIFY_PARAM_set_trust(s->param, trust); | |
1025 | } | |
bb7cd4e3 DSH |
1026 | |
1027 | int SSL_set_trust(SSL *s, int trust) | |
0f113f3e | 1028 | { |
38b051a1 TM |
1029 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1030 | ||
1031 | if (sc == NULL) | |
1032 | return 0; | |
1033 | ||
1034 | return X509_VERIFY_PARAM_set_trust(sc->param, trust); | |
0f113f3e | 1035 | } |
bb7cd4e3 | 1036 | |
919ba009 VD |
1037 | int SSL_set1_host(SSL *s, const char *hostname) |
1038 | { | |
38b051a1 TM |
1039 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1040 | ||
1041 | if (sc == NULL) | |
1042 | return 0; | |
1043 | ||
c832840e DW |
1044 | /* If a hostname is provided and parses as an IP address, |
1045 | * treat it as such. */ | |
38b051a1 TM |
1046 | if (hostname != NULL |
1047 | && X509_VERIFY_PARAM_set1_ip_asc(sc->param, hostname) == 1) | |
c832840e DW |
1048 | return 1; |
1049 | ||
38b051a1 | 1050 | return X509_VERIFY_PARAM_set1_host(sc->param, hostname, 0); |
919ba009 VD |
1051 | } |
1052 | ||
1053 | int SSL_add1_host(SSL *s, const char *hostname) | |
1054 | { | |
38b051a1 TM |
1055 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1056 | ||
1057 | if (sc == NULL) | |
1058 | return 0; | |
1059 | ||
c832840e DW |
1060 | /* If a hostname is provided and parses as an IP address, |
1061 | * treat it as such. */ | |
892a9e4c DW |
1062 | if (hostname) |
1063 | { | |
1064 | ASN1_OCTET_STRING *ip; | |
1065 | char *old_ip; | |
1066 | ||
1067 | ip = a2i_IPADDRESS(hostname); | |
1068 | if (ip) { | |
1069 | /* We didn't want it; only to check if it *is* an IP address */ | |
1070 | ASN1_OCTET_STRING_free(ip); | |
1071 | ||
38b051a1 | 1072 | old_ip = X509_VERIFY_PARAM_get1_ip_asc(sc->param); |
892a9e4c DW |
1073 | if (old_ip) |
1074 | { | |
f2bfc53b | 1075 | OPENSSL_free(old_ip); |
892a9e4c DW |
1076 | /* There can be only one IP address */ |
1077 | return 0; | |
1078 | } | |
1079 | ||
38b051a1 | 1080 | return X509_VERIFY_PARAM_set1_ip_asc(sc->param, hostname); |
892a9e4c DW |
1081 | } |
1082 | } | |
c832840e | 1083 | |
38b051a1 | 1084 | return X509_VERIFY_PARAM_add1_host(sc->param, hostname, 0); |
919ba009 VD |
1085 | } |
1086 | ||
1087 | void SSL_set_hostflags(SSL *s, unsigned int flags) | |
1088 | { | |
38b051a1 TM |
1089 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1090 | ||
1091 | if (sc == NULL) | |
1092 | return; | |
1093 | ||
1094 | X509_VERIFY_PARAM_set_hostflags(sc->param, flags); | |
919ba009 VD |
1095 | } |
1096 | ||
4588cb44 | 1097 | const char *SSL_get0_peername(SSL *s) |
919ba009 | 1098 | { |
38b051a1 TM |
1099 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1100 | ||
1101 | if (sc == NULL) | |
1102 | return NULL; | |
1103 | ||
1104 | return X509_VERIFY_PARAM_get0_peername(sc->param); | |
919ba009 VD |
1105 | } |
1106 | ||
1107 | int SSL_CTX_dane_enable(SSL_CTX *ctx) | |
1108 | { | |
1109 | return dane_ctx_enable(&ctx->dane); | |
1110 | } | |
1111 | ||
5ae4ceb9 VD |
1112 | unsigned long SSL_CTX_dane_set_flags(SSL_CTX *ctx, unsigned long flags) |
1113 | { | |
1114 | unsigned long orig = ctx->dane.flags; | |
1115 | ||
1116 | ctx->dane.flags |= flags; | |
1117 | return orig; | |
1118 | } | |
1119 | ||
1120 | unsigned long SSL_CTX_dane_clear_flags(SSL_CTX *ctx, unsigned long flags) | |
1121 | { | |
1122 | unsigned long orig = ctx->dane.flags; | |
1123 | ||
1124 | ctx->dane.flags &= ~flags; | |
1125 | return orig; | |
1126 | } | |
1127 | ||
919ba009 VD |
1128 | int SSL_dane_enable(SSL *s, const char *basedomain) |
1129 | { | |
38b051a1 TM |
1130 | SSL_DANE *dane; |
1131 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
919ba009 | 1132 | |
38b051a1 TM |
1133 | if (sc == NULL) |
1134 | return 0; | |
1135 | ||
1136 | dane = &sc->dane; | |
919ba009 | 1137 | if (s->ctx->dane.mdmax == 0) { |
6849b73c | 1138 | ERR_raise(ERR_LIB_SSL, SSL_R_CONTEXT_NOT_DANE_ENABLED); |
919ba009 VD |
1139 | return 0; |
1140 | } | |
1141 | if (dane->trecs != NULL) { | |
6849b73c | 1142 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_ALREADY_ENABLED); |
919ba009 VD |
1143 | return 0; |
1144 | } | |
1145 | ||
8d887efa VD |
1146 | /* |
1147 | * Default SNI name. This rejects empty names, while set1_host below | |
9929c817 | 1148 | * accepts them and disables hostname checks. To avoid side-effects with |
8d887efa VD |
1149 | * invalid input, set the SNI name first. |
1150 | */ | |
38b051a1 | 1151 | if (sc->ext.hostname == NULL) { |
dccd20d1 | 1152 | if (!SSL_set_tlsext_host_name(s, basedomain)) { |
6849b73c | 1153 | ERR_raise(ERR_LIB_SSL, SSL_R_ERROR_SETTING_TLSA_BASE_DOMAIN); |
dccd20d1 | 1154 | return -1; |
8d887efa VD |
1155 | } |
1156 | } | |
1157 | ||
919ba009 | 1158 | /* Primary RFC6125 reference identifier */ |
38b051a1 | 1159 | if (!X509_VERIFY_PARAM_set1_host(sc->param, basedomain, 0)) { |
6849b73c | 1160 | ERR_raise(ERR_LIB_SSL, SSL_R_ERROR_SETTING_TLSA_BASE_DOMAIN); |
919ba009 VD |
1161 | return -1; |
1162 | } | |
1163 | ||
919ba009 VD |
1164 | dane->mdpth = -1; |
1165 | dane->pdpth = -1; | |
1166 | dane->dctx = &s->ctx->dane; | |
1167 | dane->trecs = sk_danetls_record_new_null(); | |
1168 | ||
1169 | if (dane->trecs == NULL) { | |
e077455e | 1170 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
919ba009 VD |
1171 | return -1; |
1172 | } | |
1173 | return 1; | |
1174 | } | |
1175 | ||
5ae4ceb9 VD |
1176 | unsigned long SSL_dane_set_flags(SSL *ssl, unsigned long flags) |
1177 | { | |
38b051a1 TM |
1178 | unsigned long orig; |
1179 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); | |
1180 | ||
1181 | if (sc == NULL) | |
1182 | return 0; | |
1183 | ||
1184 | orig = sc->dane.flags; | |
5ae4ceb9 | 1185 | |
38b051a1 | 1186 | sc->dane.flags |= flags; |
5ae4ceb9 VD |
1187 | return orig; |
1188 | } | |
1189 | ||
1190 | unsigned long SSL_dane_clear_flags(SSL *ssl, unsigned long flags) | |
1191 | { | |
38b051a1 TM |
1192 | unsigned long orig; |
1193 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); | |
5ae4ceb9 | 1194 | |
38b051a1 TM |
1195 | if (sc == NULL) |
1196 | return 0; | |
1197 | ||
1198 | orig = sc->dane.flags; | |
1199 | ||
1200 | sc->dane.flags &= ~flags; | |
5ae4ceb9 VD |
1201 | return orig; |
1202 | } | |
1203 | ||
919ba009 VD |
1204 | int SSL_get0_dane_authority(SSL *s, X509 **mcert, EVP_PKEY **mspki) |
1205 | { | |
38b051a1 TM |
1206 | SSL_DANE *dane; |
1207 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
919ba009 | 1208 | |
38b051a1 TM |
1209 | if (sc == NULL) |
1210 | return -1; | |
1211 | ||
1212 | dane = &sc->dane; | |
1213 | ||
1214 | if (!DANETLS_ENABLED(dane) || sc->verify_result != X509_V_OK) | |
919ba009 VD |
1215 | return -1; |
1216 | if (dane->mtlsa) { | |
1217 | if (mcert) | |
1218 | *mcert = dane->mcert; | |
1219 | if (mspki) | |
1220 | *mspki = (dane->mcert == NULL) ? dane->mtlsa->spki : NULL; | |
1221 | } | |
1222 | return dane->mdpth; | |
1223 | } | |
1224 | ||
1225 | int SSL_get0_dane_tlsa(SSL *s, uint8_t *usage, uint8_t *selector, | |
6d4313f0 | 1226 | uint8_t *mtype, const unsigned char **data, size_t *dlen) |
919ba009 | 1227 | { |
38b051a1 TM |
1228 | SSL_DANE *dane; |
1229 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
919ba009 | 1230 | |
38b051a1 TM |
1231 | if (sc == NULL) |
1232 | return -1; | |
1233 | ||
1234 | dane = &sc->dane; | |
1235 | ||
1236 | if (!DANETLS_ENABLED(dane) || sc->verify_result != X509_V_OK) | |
919ba009 VD |
1237 | return -1; |
1238 | if (dane->mtlsa) { | |
1239 | if (usage) | |
1240 | *usage = dane->mtlsa->usage; | |
1241 | if (selector) | |
1242 | *selector = dane->mtlsa->selector; | |
1243 | if (mtype) | |
1244 | *mtype = dane->mtlsa->mtype; | |
1245 | if (data) | |
1246 | *data = dane->mtlsa->data; | |
1247 | if (dlen) | |
1248 | *dlen = dane->mtlsa->dlen; | |
1249 | } | |
1250 | return dane->mdpth; | |
1251 | } | |
1252 | ||
b9aec69a | 1253 | SSL_DANE *SSL_get0_dane(SSL *s) |
919ba009 | 1254 | { |
38b051a1 TM |
1255 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1256 | ||
1257 | if (sc == NULL) | |
1258 | return NULL; | |
1259 | ||
1260 | return &sc->dane; | |
919ba009 VD |
1261 | } |
1262 | ||
1263 | int SSL_dane_tlsa_add(SSL *s, uint8_t usage, uint8_t selector, | |
6d4313f0 | 1264 | uint8_t mtype, const unsigned char *data, size_t dlen) |
919ba009 | 1265 | { |
38b051a1 TM |
1266 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1267 | ||
1268 | if (sc == NULL) | |
1269 | return 0; | |
1270 | ||
1271 | return dane_tlsa_add(&sc->dane, usage, selector, mtype, data, dlen); | |
919ba009 VD |
1272 | } |
1273 | ||
a230b26e EK |
1274 | int SSL_CTX_dane_mtype_set(SSL_CTX *ctx, const EVP_MD *md, uint8_t mtype, |
1275 | uint8_t ord) | |
919ba009 VD |
1276 | { |
1277 | return dane_mtype_set(&ctx->dane, md, mtype, ord); | |
1278 | } | |
1279 | ||
ccf11751 | 1280 | int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm) |
0f113f3e MC |
1281 | { |
1282 | return X509_VERIFY_PARAM_set1(ctx->param, vpm); | |
1283 | } | |
ccf11751 DSH |
1284 | |
1285 | int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm) | |
0f113f3e | 1286 | { |
38b051a1 TM |
1287 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
1288 | ||
1289 | if (sc == NULL) | |
1290 | return 0; | |
1291 | ||
1292 | return X509_VERIFY_PARAM_set1(sc->param, vpm); | |
0f113f3e | 1293 | } |
ccf11751 | 1294 | |
7af31968 | 1295 | X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx) |
0f113f3e MC |
1296 | { |
1297 | return ctx->param; | |
1298 | } | |
7af31968 DSH |
1299 | |
1300 | X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl) | |
0f113f3e | 1301 | { |
38b051a1 TM |
1302 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
1303 | ||
1304 | if (sc == NULL) | |
1305 | return NULL; | |
1306 | ||
1307 | return sc->param; | |
0f113f3e | 1308 | } |
7af31968 | 1309 | |
a5ee80b9 | 1310 | void SSL_certs_clear(SSL *s) |
0f113f3e | 1311 | { |
38b051a1 TM |
1312 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1313 | ||
1314 | if (sc == NULL) | |
1315 | return; | |
1316 | ||
1317 | ssl_cert_clear_certs(sc->cert); | |
0f113f3e | 1318 | } |
a5ee80b9 | 1319 | |
4f43d0e7 | 1320 | void SSL_free(SSL *s) |
0f113f3e MC |
1321 | { |
1322 | int i; | |
58964a49 | 1323 | |
e6e9170d RS |
1324 | if (s == NULL) |
1325 | return; | |
2f545ae4 | 1326 | CRYPTO_DOWN_REF(&s->references, &i, s->lock); |
f3f1cf84 | 1327 | REF_PRINT_COUNT("SSL", s); |
0f113f3e MC |
1328 | if (i > 0) |
1329 | return; | |
f3f1cf84 | 1330 | REF_ASSERT_ISNT(i < 0); |
d02b48c6 | 1331 | |
38b051a1 TM |
1332 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data); |
1333 | ||
1334 | if (s->method != NULL) | |
1335 | s->method->ssl_free(s); | |
1336 | ||
1337 | SSL_CTX_free(s->ctx); | |
1338 | CRYPTO_THREAD_lock_free(s->lock); | |
1339 | ||
1340 | OPENSSL_free(s); | |
1341 | } | |
1342 | ||
1343 | void ossl_ssl_connection_free(SSL *ssl) | |
1344 | { | |
1345 | SSL_CONNECTION *s; | |
1346 | ||
1347 | s = SSL_CONNECTION_FROM_SSL_ONLY(ssl); | |
1348 | if (s == NULL) | |
1349 | return; | |
1350 | ||
222561fe | 1351 | X509_VERIFY_PARAM_free(s->param); |
919ba009 | 1352 | dane_final(&s->dane); |
0f113f3e | 1353 | |
b77f3ed1 | 1354 | /* Ignore return value */ |
2e7dc7cd MC |
1355 | ssl_free_wbio_buffer(s); |
1356 | ||
9ff51954 MC |
1357 | RECORD_LAYER_clear(&s->rlayer); |
1358 | ||
25aaa98a | 1359 | BUF_MEM_free(s->init_buf); |
0f113f3e MC |
1360 | |
1361 | /* add extra stuff */ | |
25aaa98a RS |
1362 | sk_SSL_CIPHER_free(s->cipher_list); |
1363 | sk_SSL_CIPHER_free(s->cipher_list_by_id); | |
f865b081 | 1364 | sk_SSL_CIPHER_free(s->tls13_ciphersuites); |
eee2a6a7 | 1365 | sk_SSL_CIPHER_free(s->peer_ciphers); |
0f113f3e MC |
1366 | |
1367 | /* Make the next call work :-) */ | |
1368 | if (s->session != NULL) { | |
1369 | ssl_clear_bad_session(s); | |
1370 | SSL_SESSION_free(s->session); | |
1371 | } | |
9368f865 | 1372 | SSL_SESSION_free(s->psksession); |
add8d0e9 | 1373 | OPENSSL_free(s->psksession_id); |
0f113f3e | 1374 | |
e0e920b1 | 1375 | ssl_cert_free(s->cert); |
29948ac8 | 1376 | OPENSSL_free(s->shared_sigalgs); |
0f113f3e | 1377 | /* Free up if allocated */ |
d02b48c6 | 1378 | |
aff8c126 | 1379 | OPENSSL_free(s->ext.hostname); |
222da979 | 1380 | SSL_CTX_free(s->session_ctx); |
aff8c126 | 1381 | OPENSSL_free(s->ext.ecpointformats); |
cd0fb43c | 1382 | OPENSSL_free(s->ext.peer_ecpointformats); |
aff8c126 | 1383 | OPENSSL_free(s->ext.supportedgroups); |
45436e61 | 1384 | OPENSSL_free(s->ext.peer_supportedgroups); |
aff8c126 | 1385 | sk_X509_EXTENSION_pop_free(s->ext.ocsp.exts, X509_EXTENSION_free); |
3e41ac35 | 1386 | #ifndef OPENSSL_NO_OCSP |
aff8c126 | 1387 | sk_OCSP_RESPID_pop_free(s->ext.ocsp.ids, OCSP_RESPID_free); |
3e41ac35 | 1388 | #endif |
ed29e82a RP |
1389 | #ifndef OPENSSL_NO_CT |
1390 | SCT_LIST_free(s->scts); | |
aff8c126 | 1391 | OPENSSL_free(s->ext.scts); |
ed29e82a | 1392 | #endif |
aff8c126 RS |
1393 | OPENSSL_free(s->ext.ocsp.resp); |
1394 | OPENSSL_free(s->ext.alpn); | |
cfef5027 | 1395 | OPENSSL_free(s->ext.tls13_cookie); |
94941cad MK |
1396 | if (s->clienthello != NULL) |
1397 | OPENSSL_free(s->clienthello->pre_proc_exts); | |
6b1bb98f | 1398 | OPENSSL_free(s->clienthello); |
9d75dce3 TS |
1399 | OPENSSL_free(s->pha_context); |
1400 | EVP_MD_CTX_free(s->pha_dgst); | |
0f113f3e | 1401 | |
fa7c2637 | 1402 | sk_X509_NAME_pop_free(s->ca_names, X509_NAME_free); |
98732979 | 1403 | sk_X509_NAME_pop_free(s->client_ca_names, X509_NAME_free); |
0f113f3e | 1404 | |
79b2a2f2 | 1405 | OSSL_STACK_OF_X509_free(s->verified_chain); |
696178ed | 1406 | |
38b051a1 TM |
1407 | if (ssl->method != NULL) |
1408 | ssl->method->ssl_deinit(ssl); | |
7c3908dd | 1409 | |
ff75a257 MC |
1410 | ASYNC_WAIT_CTX_free(s->waitctx); |
1411 | ||
e481f9b9 | 1412 | #if !defined(OPENSSL_NO_NEXTPROTONEG) |
aff8c126 | 1413 | OPENSSL_free(s->ext.npn); |
ee2ffc27 BL |
1414 | #endif |
1415 | ||
e783bae2 | 1416 | #ifndef OPENSSL_NO_SRTP |
25aaa98a | 1417 | sk_SRTP_PROTECTION_PROFILE_free(s->srtp_profiles); |
0f113f3e | 1418 | #endif |
cd6e89b6 MC |
1419 | |
1420 | /* | |
1421 | * We do this late. We want to ensure that any other references we held to | |
1422 | * these BIOs are freed first *before* we call BIO_free_all(), because | |
1423 | * BIO_free_all() will only free each BIO in the chain if the number of | |
1424 | * references to the first BIO have dropped to 0 | |
1425 | */ | |
1426 | BIO_free_all(s->wbio); | |
1427 | s->wbio = NULL; | |
1428 | BIO_free_all(s->rbio); | |
1429 | s->rbio = NULL; | |
0f113f3e MC |
1430 | } |
1431 | ||
65e2d672 | 1432 | void SSL_set0_rbio(SSL *s, BIO *rbio) |
3ffbe008 | 1433 | { |
38b051a1 | 1434 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
03bacce8 HL |
1435 | #ifndef OPENSSL_NO_QUIC |
1436 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); | |
1437 | ||
1438 | if (qc != NULL) { | |
1439 | ossl_quic_conn_set0_net_rbio(qc, rbio); | |
1440 | return; | |
1441 | } | |
1442 | #endif | |
38b051a1 TM |
1443 | |
1444 | if (sc == NULL) | |
1445 | return; | |
1446 | ||
1447 | BIO_free_all(sc->rbio); | |
1448 | sc->rbio = rbio; | |
cffafb5f | 1449 | sc->rlayer.rrlmethod->set1_bio(sc->rlayer.rrl, sc->rbio); |
3ffbe008 MC |
1450 | } |
1451 | ||
65e2d672 | 1452 | void SSL_set0_wbio(SSL *s, BIO *wbio) |
0f113f3e | 1453 | { |
38b051a1 | 1454 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
03bacce8 HL |
1455 | #ifndef OPENSSL_NO_QUIC |
1456 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); | |
1457 | ||
1458 | if (qc != NULL) { | |
1459 | ossl_quic_conn_set0_net_wbio(qc, wbio); | |
1460 | return; | |
1461 | } | |
1462 | #endif | |
38b051a1 TM |
1463 | |
1464 | if (sc == NULL) | |
1465 | return; | |
1466 | ||
0f113f3e MC |
1467 | /* |
1468 | * If the output buffering BIO is still in place, remove it | |
1469 | */ | |
38b051a1 TM |
1470 | if (sc->bbio != NULL) |
1471 | sc->wbio = BIO_pop(sc->wbio); | |
2e7dc7cd | 1472 | |
38b051a1 TM |
1473 | BIO_free_all(sc->wbio); |
1474 | sc->wbio = wbio; | |
2e7dc7cd MC |
1475 | |
1476 | /* Re-attach |bbio| to the new |wbio|. */ | |
38b051a1 TM |
1477 | if (sc->bbio != NULL) |
1478 | sc->wbio = BIO_push(sc->bbio, sc->wbio); | |
b5cf81f7 MC |
1479 | |
1480 | sc->rlayer.wrlmethod->set1_bio(sc->rlayer.wrl, sc->wbio); | |
0f113f3e | 1481 | } |
d02b48c6 | 1482 | |
3ffbe008 MC |
1483 | void SSL_set_bio(SSL *s, BIO *rbio, BIO *wbio) |
1484 | { | |
65e2d672 MC |
1485 | /* |
1486 | * For historical reasons, this function has many different cases in | |
1487 | * ownership handling. | |
1488 | */ | |
1489 | ||
1490 | /* If nothing has changed, do nothing */ | |
1491 | if (rbio == SSL_get_rbio(s) && wbio == SSL_get_wbio(s)) | |
1492 | return; | |
1493 | ||
1494 | /* | |
1495 | * If the two arguments are equal then one fewer reference is granted by the | |
1496 | * caller than we want to take | |
1497 | */ | |
1498 | if (rbio != NULL && rbio == wbio) | |
1499 | BIO_up_ref(rbio); | |
1500 | ||
1501 | /* | |
1502 | * If only the wbio is changed only adopt one reference. | |
1503 | */ | |
1504 | if (rbio == SSL_get_rbio(s)) { | |
1505 | SSL_set0_wbio(s, wbio); | |
1506 | return; | |
1507 | } | |
1508 | /* | |
1509 | * There is an asymmetry here for historical reasons. If only the rbio is | |
1510 | * changed AND the rbio and wbio were originally different, then we only | |
1511 | * adopt one reference. | |
1512 | */ | |
1513 | if (wbio == SSL_get_wbio(s) && SSL_get_rbio(s) != SSL_get_wbio(s)) { | |
1514 | SSL_set0_rbio(s, rbio); | |
1515 | return; | |
1516 | } | |
1517 | ||
1518 | /* Otherwise, adopt both references. */ | |
1519 | SSL_set0_rbio(s, rbio); | |
1520 | SSL_set0_wbio(s, wbio); | |
3ffbe008 MC |
1521 | } |
1522 | ||
0821bcd4 | 1523 | BIO *SSL_get_rbio(const SSL *s) |
0f113f3e | 1524 | { |
38b051a1 | 1525 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
03bacce8 HL |
1526 | #ifndef OPENSSL_NO_QUIC |
1527 | const QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_CONST_SSL(s); | |
1528 | ||
1529 | if (qc != NULL) | |
1530 | return ossl_quic_conn_get_net_rbio(qc); | |
1531 | #endif | |
38b051a1 TM |
1532 | |
1533 | if (sc == NULL) | |
1534 | return NULL; | |
1535 | ||
1536 | return sc->rbio; | |
0f113f3e | 1537 | } |
d02b48c6 | 1538 | |
0821bcd4 | 1539 | BIO *SSL_get_wbio(const SSL *s) |
0f113f3e | 1540 | { |
38b051a1 | 1541 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
03bacce8 HL |
1542 | #ifndef OPENSSL_NO_QUIC |
1543 | const QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_CONST_SSL(s); | |
1544 | ||
1545 | if (qc != NULL) | |
1546 | return ossl_quic_conn_get_net_rbio(qc); | |
1547 | #endif | |
38b051a1 TM |
1548 | |
1549 | if (sc == NULL) | |
1550 | return NULL; | |
1551 | ||
1552 | if (sc->bbio != NULL) { | |
2e7dc7cd MC |
1553 | /* |
1554 | * If |bbio| is active, the true caller-configured BIO is its | |
1555 | * |next_bio|. | |
1556 | */ | |
38b051a1 | 1557 | return BIO_next(sc->bbio); |
2e7dc7cd | 1558 | } |
38b051a1 | 1559 | return sc->wbio; |
0f113f3e | 1560 | } |
d02b48c6 | 1561 | |
0821bcd4 | 1562 | int SSL_get_fd(const SSL *s) |
0f113f3e | 1563 | { |
2e7dc7cd | 1564 | return SSL_get_rfd(s); |
0f113f3e | 1565 | } |
24cbf3ef | 1566 | |
0821bcd4 | 1567 | int SSL_get_rfd(const SSL *s) |
0f113f3e MC |
1568 | { |
1569 | int ret = -1; | |
1570 | BIO *b, *r; | |
1571 | ||
1572 | b = SSL_get_rbio(s); | |
1573 | r = BIO_find_type(b, BIO_TYPE_DESCRIPTOR); | |
1574 | if (r != NULL) | |
1575 | BIO_get_fd(r, &ret); | |
26a7d938 | 1576 | return ret; |
0f113f3e | 1577 | } |
d02b48c6 | 1578 | |
0821bcd4 | 1579 | int SSL_get_wfd(const SSL *s) |
0f113f3e MC |
1580 | { |
1581 | int ret = -1; | |
1582 | BIO *b, *r; | |
1583 | ||
1584 | b = SSL_get_wbio(s); | |
1585 | r = BIO_find_type(b, BIO_TYPE_DESCRIPTOR); | |
1586 | if (r != NULL) | |
1587 | BIO_get_fd(r, &ret); | |
26a7d938 | 1588 | return ret; |
0f113f3e | 1589 | } |
24cbf3ef | 1590 | |
bc36ee62 | 1591 | #ifndef OPENSSL_NO_SOCK |
0f113f3e MC |
1592 | int SSL_set_fd(SSL *s, int fd) |
1593 | { | |
1594 | int ret = 0; | |
1595 | BIO *bio = NULL; | |
1596 | ||
1597 | bio = BIO_new(BIO_s_socket()); | |
1598 | ||
1599 | if (bio == NULL) { | |
6849b73c | 1600 | ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB); |
0f113f3e MC |
1601 | goto err; |
1602 | } | |
1603 | BIO_set_fd(bio, fd, BIO_NOCLOSE); | |
1604 | SSL_set_bio(s, bio, bio); | |
50ec7505 BP |
1605 | #ifndef OPENSSL_NO_KTLS |
1606 | /* | |
1607 | * The new socket is created successfully regardless of ktls_enable. | |
1608 | * ktls_enable doesn't change any functionality of the socket, except | |
1609 | * changing the setsockopt to enable the processing of ktls_start. | |
1610 | * Thus, it is not a problem to call it for non-TLS sockets. | |
1611 | */ | |
1612 | ktls_enable(fd); | |
1613 | #endif /* OPENSSL_NO_KTLS */ | |
0f113f3e MC |
1614 | ret = 1; |
1615 | err: | |
26a7d938 | 1616 | return ret; |
0f113f3e | 1617 | } |
d02b48c6 | 1618 | |
0f113f3e MC |
1619 | int SSL_set_wfd(SSL *s, int fd) |
1620 | { | |
2e7dc7cd | 1621 | BIO *rbio = SSL_get_rbio(s); |
0f113f3e | 1622 | |
2e7dc7cd MC |
1623 | if (rbio == NULL || BIO_method_type(rbio) != BIO_TYPE_SOCKET |
1624 | || (int)BIO_get_fd(rbio, NULL) != fd) { | |
1625 | BIO *bio = BIO_new(BIO_s_socket()); | |
0f113f3e MC |
1626 | |
1627 | if (bio == NULL) { | |
6849b73c | 1628 | ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB); |
2e7dc7cd | 1629 | return 0; |
0f113f3e MC |
1630 | } |
1631 | BIO_set_fd(bio, fd, BIO_NOCLOSE); | |
65e2d672 | 1632 | SSL_set0_wbio(s, bio); |
50ec7505 BP |
1633 | #ifndef OPENSSL_NO_KTLS |
1634 | /* | |
1635 | * The new socket is created successfully regardless of ktls_enable. | |
1636 | * ktls_enable doesn't change any functionality of the socket, except | |
1637 | * changing the setsockopt to enable the processing of ktls_start. | |
1638 | * Thus, it is not a problem to call it for non-TLS sockets. | |
1639 | */ | |
1640 | ktls_enable(fd); | |
1641 | #endif /* OPENSSL_NO_KTLS */ | |
2e7dc7cd | 1642 | } else { |
65e2d672 MC |
1643 | BIO_up_ref(rbio); |
1644 | SSL_set0_wbio(s, rbio); | |
2e7dc7cd MC |
1645 | } |
1646 | return 1; | |
0f113f3e MC |
1647 | } |
1648 | ||
1649 | int SSL_set_rfd(SSL *s, int fd) | |
1650 | { | |
2e7dc7cd | 1651 | BIO *wbio = SSL_get_wbio(s); |
0f113f3e | 1652 | |
2e7dc7cd MC |
1653 | if (wbio == NULL || BIO_method_type(wbio) != BIO_TYPE_SOCKET |
1654 | || ((int)BIO_get_fd(wbio, NULL) != fd)) { | |
1655 | BIO *bio = BIO_new(BIO_s_socket()); | |
0f113f3e MC |
1656 | |
1657 | if (bio == NULL) { | |
6849b73c | 1658 | ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB); |
2e7dc7cd | 1659 | return 0; |
0f113f3e MC |
1660 | } |
1661 | BIO_set_fd(bio, fd, BIO_NOCLOSE); | |
65e2d672 | 1662 | SSL_set0_rbio(s, bio); |
2e7dc7cd | 1663 | } else { |
65e2d672 MC |
1664 | BIO_up_ref(wbio); |
1665 | SSL_set0_rbio(s, wbio); | |
2e7dc7cd MC |
1666 | } |
1667 | ||
1668 | return 1; | |
0f113f3e MC |
1669 | } |
1670 | #endif | |
ca03109c BM |
1671 | |
1672 | /* return length of latest Finished message we sent, copy to 'buf' */ | |
0821bcd4 | 1673 | size_t SSL_get_finished(const SSL *s, void *buf, size_t count) |
0f113f3e MC |
1674 | { |
1675 | size_t ret = 0; | |
38b051a1 TM |
1676 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
1677 | ||
1678 | if (sc == NULL) | |
1679 | return 0; | |
0f113f3e | 1680 | |
38b051a1 | 1681 | ret = sc->s3.tmp.finish_md_len; |
555cbb32 TS |
1682 | if (count > ret) |
1683 | count = ret; | |
38b051a1 | 1684 | memcpy(buf, sc->s3.tmp.finish_md, count); |
0f113f3e MC |
1685 | return ret; |
1686 | } | |
ca03109c BM |
1687 | |
1688 | /* return length of latest Finished message we expected, copy to 'buf' */ | |
0821bcd4 | 1689 | size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count) |
0f113f3e MC |
1690 | { |
1691 | size_t ret = 0; | |
38b051a1 | 1692 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
ca03109c | 1693 | |
38b051a1 TM |
1694 | if (sc == NULL) |
1695 | return 0; | |
1696 | ||
1697 | ret = sc->s3.tmp.peer_finish_md_len; | |
555cbb32 TS |
1698 | if (count > ret) |
1699 | count = ret; | |
38b051a1 | 1700 | memcpy(buf, sc->s3.tmp.peer_finish_md, count); |
0f113f3e MC |
1701 | return ret; |
1702 | } | |
ca03109c | 1703 | |
0821bcd4 | 1704 | int SSL_get_verify_mode(const SSL *s) |
0f113f3e | 1705 | { |
38b051a1 TM |
1706 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
1707 | ||
1708 | if (sc == NULL) | |
1709 | return 0; | |
1710 | ||
1711 | return sc->verify_mode; | |
0f113f3e | 1712 | } |
d02b48c6 | 1713 | |
0821bcd4 | 1714 | int SSL_get_verify_depth(const SSL *s) |
0f113f3e | 1715 | { |
38b051a1 TM |
1716 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
1717 | ||
1718 | if (sc == NULL) | |
1719 | return 0; | |
1720 | ||
1721 | return X509_VERIFY_PARAM_get_depth(sc->param); | |
0f113f3e | 1722 | } |
7f89714e | 1723 | |
0f113f3e | 1724 | int (*SSL_get_verify_callback(const SSL *s)) (int, X509_STORE_CTX *) { |
38b051a1 TM |
1725 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
1726 | ||
1727 | if (sc == NULL) | |
1728 | return NULL; | |
1729 | ||
1730 | return sc->verify_callback; | |
0f113f3e | 1731 | } |
d02b48c6 | 1732 | |
0821bcd4 | 1733 | int SSL_CTX_get_verify_mode(const SSL_CTX *ctx) |
0f113f3e | 1734 | { |
26a7d938 | 1735 | return ctx->verify_mode; |
0f113f3e | 1736 | } |
d02b48c6 | 1737 | |
0821bcd4 | 1738 | int SSL_CTX_get_verify_depth(const SSL_CTX *ctx) |
0f113f3e MC |
1739 | { |
1740 | return X509_VERIFY_PARAM_get_depth(ctx->param); | |
1741 | } | |
1742 | ||
1743 | int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx)) (int, X509_STORE_CTX *) { | |
26a7d938 | 1744 | return ctx->default_verify_callback; |
0f113f3e MC |
1745 | } |
1746 | ||
1747 | void SSL_set_verify(SSL *s, int mode, | |
1748 | int (*callback) (int ok, X509_STORE_CTX *ctx)) | |
1749 | { | |
38b051a1 TM |
1750 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1751 | ||
1752 | if (sc == NULL) | |
1753 | return; | |
1754 | ||
1755 | sc->verify_mode = mode; | |
0f113f3e | 1756 | if (callback != NULL) |
38b051a1 | 1757 | sc->verify_callback = callback; |
0f113f3e MC |
1758 | } |
1759 | ||
1760 | void SSL_set_verify_depth(SSL *s, int depth) | |
1761 | { | |
38b051a1 TM |
1762 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1763 | ||
1764 | if (sc == NULL) | |
1765 | return; | |
1766 | ||
1767 | X509_VERIFY_PARAM_set_depth(sc->param, depth); | |
0f113f3e MC |
1768 | } |
1769 | ||
1770 | void SSL_set_read_ahead(SSL *s, int yes) | |
1771 | { | |
38b051a1 | 1772 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4566dae7 | 1773 | OSSL_PARAM options[2], *opts = options; |
38b051a1 TM |
1774 | |
1775 | if (sc == NULL) | |
1776 | return; | |
1777 | ||
1778 | RECORD_LAYER_set_read_ahead(&sc->rlayer, yes); | |
4566dae7 MC |
1779 | |
1780 | *opts++ = OSSL_PARAM_construct_int(OSSL_LIBSSL_RECORD_LAYER_PARAM_READ_AHEAD, | |
1781 | &sc->rlayer.read_ahead); | |
1782 | *opts = OSSL_PARAM_construct_end(); | |
1783 | ||
1784 | /* Ignore return value */ | |
1785 | sc->rlayer.rrlmethod->set_options(sc->rlayer.rrl, options); | |
0f113f3e | 1786 | } |
d02b48c6 | 1787 | |
0821bcd4 | 1788 | int SSL_get_read_ahead(const SSL *s) |
0f113f3e | 1789 | { |
38b051a1 TM |
1790 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
1791 | ||
1792 | if (sc == NULL) | |
1793 | return 0; | |
1794 | ||
1795 | return RECORD_LAYER_get_read_ahead(&sc->rlayer); | |
0f113f3e | 1796 | } |
d02b48c6 | 1797 | |
0821bcd4 | 1798 | int SSL_pending(const SSL *s) |
0f113f3e | 1799 | { |
8b0e934a MC |
1800 | size_t pending = s->method->ssl_pending(s); |
1801 | ||
0f113f3e MC |
1802 | /* |
1803 | * SSL_pending cannot work properly if read-ahead is enabled | |
1804 | * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)), and it is | |
1805 | * impossible to fix since SSL_pending cannot report errors that may be | |
1806 | * observed while scanning the new data. (Note that SSL_pending() is | |
1807 | * often used as a boolean value, so we'd better not return -1.) | |
8b0e934a MC |
1808 | * |
1809 | * SSL_pending also cannot work properly if the value >INT_MAX. In that case | |
1810 | * we just return INT_MAX. | |
0f113f3e | 1811 | */ |
348240c6 | 1812 | return pending < INT_MAX ? (int)pending : INT_MAX; |
0f113f3e | 1813 | } |
d02b48c6 | 1814 | |
49580f25 MC |
1815 | int SSL_has_pending(const SSL *s) |
1816 | { | |
1817 | /* | |
1818 | * Similar to SSL_pending() but returns a 1 to indicate that we have | |
6d6b295a MC |
1819 | * processed or unprocessed data available or 0 otherwise (as opposed to the |
1820 | * number of bytes available). Unlike SSL_pending() this will take into | |
1821 | * account read_ahead data. A 1 return simply indicates that we have data. | |
1822 | * That data may not result in any application data, or we may fail to parse | |
1823 | * the records for some reason. | |
49580f25 | 1824 | */ |
38b051a1 TM |
1825 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
1826 | ||
6d6b295a MC |
1827 | /* Check buffered app data if any first */ |
1828 | if (SSL_CONNECTION_IS_DTLS(sc)) { | |
eddb067e | 1829 | TLS_RECORD *rdata; |
6d6b295a MC |
1830 | pitem *item, *iter; |
1831 | ||
1832 | iter = pqueue_iterator(sc->rlayer.d->buffered_app_data.q); | |
1833 | while ((item = pqueue_next(&iter)) != NULL) { | |
1834 | rdata = item->data; | |
eddb067e | 1835 | if (rdata->length > 0) |
6d6b295a MC |
1836 | return 1; |
1837 | } | |
1838 | } | |
38b051a1 TM |
1839 | |
1840 | if (RECORD_LAYER_processed_read_pending(&sc->rlayer)) | |
49580f25 MC |
1841 | return 1; |
1842 | ||
38b051a1 | 1843 | return RECORD_LAYER_read_pending(&sc->rlayer); |
49580f25 MC |
1844 | } |
1845 | ||
8c2bfd25 | 1846 | X509 *SSL_get1_peer_certificate(const SSL *s) |
0f113f3e | 1847 | { |
8c2bfd25 | 1848 | X509 *r = SSL_get0_peer_certificate(s); |
d02b48c6 | 1849 | |
8c2bfd25 TS |
1850 | if (r != NULL) |
1851 | X509_up_ref(r); | |
0f113f3e | 1852 | |
26a7d938 | 1853 | return r; |
0f113f3e | 1854 | } |
d02b48c6 | 1855 | |
8c2bfd25 TS |
1856 | X509 *SSL_get0_peer_certificate(const SSL *s) |
1857 | { | |
38b051a1 TM |
1858 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
1859 | ||
1860 | if (sc == NULL) | |
1861 | return NULL; | |
1862 | ||
1863 | if (sc->session == NULL) | |
8c2bfd25 TS |
1864 | return NULL; |
1865 | else | |
38b051a1 | 1866 | return sc->session->peer; |
8c2bfd25 TS |
1867 | } |
1868 | ||
0821bcd4 | 1869 | STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s) |
0f113f3e MC |
1870 | { |
1871 | STACK_OF(X509) *r; | |
38b051a1 | 1872 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
0f113f3e | 1873 | |
38b051a1 TM |
1874 | if (sc == NULL) |
1875 | return NULL; | |
1876 | ||
1877 | if (sc->session == NULL) | |
0f113f3e MC |
1878 | r = NULL; |
1879 | else | |
38b051a1 | 1880 | r = sc->session->peer_chain; |
0f113f3e MC |
1881 | |
1882 | /* | |
1883 | * If we are a client, cert_chain includes the peer's own certificate; if | |
1884 | * we are a server, it does not. | |
1885 | */ | |
1886 | ||
26a7d938 | 1887 | return r; |
0f113f3e MC |
1888 | } |
1889 | ||
1890 | /* | |
1891 | * Now in theory, since the calling process own 't' it should be safe to | |
1892 | * modify. We need to be able to read f without being hassled | |
1893 | */ | |
17dd65e6 | 1894 | int SSL_copy_session_id(SSL *t, const SSL *f) |
0f113f3e | 1895 | { |
16203f7b | 1896 | int i; |
38b051a1 TM |
1897 | /* TODO(QUIC): Do we want to support this for QUIC connections? */ |
1898 | SSL_CONNECTION *tsc = SSL_CONNECTION_FROM_SSL_ONLY(t); | |
1899 | const SSL_CONNECTION *fsc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(f); | |
1900 | ||
1901 | if (tsc == NULL || fsc == NULL) | |
1902 | return 0; | |
1903 | ||
3e6a0d57 | 1904 | /* Do we need to do SSL locking? */ |
61986d32 | 1905 | if (!SSL_set_session(t, SSL_get_session(f))) { |
17dd65e6 | 1906 | return 0; |
69f68237 | 1907 | } |
0f113f3e MC |
1908 | |
1909 | /* | |
87d9cafa | 1910 | * what if we are setup for one protocol version but want to talk another |
0f113f3e MC |
1911 | */ |
1912 | if (t->method != f->method) { | |
38b051a1 | 1913 | t->method->ssl_deinit(t); |
919ba009 | 1914 | t->method = f->method; |
38b051a1 | 1915 | if (t->method->ssl_init(t) == 0) |
919ba009 | 1916 | return 0; |
0f113f3e MC |
1917 | } |
1918 | ||
38b051a1 TM |
1919 | CRYPTO_UP_REF(&fsc->cert->references, &i, fsc->cert->lock); |
1920 | ssl_cert_free(tsc->cert); | |
1921 | tsc->cert = fsc->cert; | |
1922 | if (!SSL_set_session_id_context(t, fsc->sid_ctx, (int)fsc->sid_ctx_length)) { | |
17dd65e6 | 1923 | return 0; |
69f68237 | 1924 | } |
17dd65e6 MC |
1925 | |
1926 | return 1; | |
0f113f3e | 1927 | } |
d02b48c6 | 1928 | |
58964a49 | 1929 | /* Fix this so it checks all the valid key/cert options */ |
0821bcd4 | 1930 | int SSL_CTX_check_private_key(const SSL_CTX *ctx) |
0f113f3e | 1931 | { |
a230b26e | 1932 | if ((ctx == NULL) || (ctx->cert->key->x509 == NULL)) { |
6849b73c | 1933 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_CERTIFICATE_ASSIGNED); |
26a7d938 | 1934 | return 0; |
0f113f3e MC |
1935 | } |
1936 | if (ctx->cert->key->privatekey == NULL) { | |
6849b73c | 1937 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_PRIVATE_KEY_ASSIGNED); |
26a7d938 | 1938 | return 0; |
0f113f3e | 1939 | } |
26a7d938 K |
1940 | return X509_check_private_key |
1941 | (ctx->cert->key->x509, ctx->cert->key->privatekey); | |
0f113f3e | 1942 | } |
d02b48c6 | 1943 | |
58964a49 | 1944 | /* Fix this function so that it takes an optional type parameter */ |
0821bcd4 | 1945 | int SSL_check_private_key(const SSL *ssl) |
0f113f3e | 1946 | { |
38b051a1 TM |
1947 | const SSL_CONNECTION *sc; |
1948 | ||
1949 | if ((sc = SSL_CONNECTION_FROM_CONST_SSL(ssl)) == NULL) { | |
6849b73c | 1950 | ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER); |
26a7d938 | 1951 | return 0; |
0f113f3e | 1952 | } |
38b051a1 | 1953 | if (sc->cert->key->x509 == NULL) { |
6849b73c | 1954 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_CERTIFICATE_ASSIGNED); |
26a7d938 | 1955 | return 0; |
0f113f3e | 1956 | } |
38b051a1 | 1957 | if (sc->cert->key->privatekey == NULL) { |
6849b73c | 1958 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_PRIVATE_KEY_ASSIGNED); |
26a7d938 | 1959 | return 0; |
0f113f3e | 1960 | } |
38b051a1 TM |
1961 | return X509_check_private_key(sc->cert->key->x509, |
1962 | sc->cert->key->privatekey); | |
0f113f3e | 1963 | } |
d02b48c6 | 1964 | |
07bbc92c MC |
1965 | int SSL_waiting_for_async(SSL *s) |
1966 | { | |
38b051a1 TM |
1967 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1968 | ||
1969 | if (sc == NULL) | |
1970 | return 0; | |
1971 | ||
1972 | if (sc->job) | |
82676094 MC |
1973 | return 1; |
1974 | ||
07bbc92c MC |
1975 | return 0; |
1976 | } | |
1977 | ||
ff75a257 | 1978 | int SSL_get_all_async_fds(SSL *s, OSSL_ASYNC_FD *fds, size_t *numfds) |
f4da39d2 | 1979 | { |
38b051a1 TM |
1980 | ASYNC_WAIT_CTX *ctx; |
1981 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
ff75a257 | 1982 | |
38b051a1 TM |
1983 | if (sc == NULL) |
1984 | return 0; | |
1985 | ||
1986 | if ((ctx = sc->waitctx) == NULL) | |
ff75a257 MC |
1987 | return 0; |
1988 | return ASYNC_WAIT_CTX_get_all_fds(ctx, fds, numfds); | |
1989 | } | |
f4da39d2 | 1990 | |
ff75a257 MC |
1991 | int SSL_get_changed_async_fds(SSL *s, OSSL_ASYNC_FD *addfd, size_t *numaddfds, |
1992 | OSSL_ASYNC_FD *delfd, size_t *numdelfds) | |
1993 | { | |
38b051a1 TM |
1994 | ASYNC_WAIT_CTX *ctx; |
1995 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
ff75a257 | 1996 | |
38b051a1 TM |
1997 | if (sc == NULL) |
1998 | return 0; | |
1999 | ||
2000 | if ((ctx = sc->waitctx) == NULL) | |
ff75a257 MC |
2001 | return 0; |
2002 | return ASYNC_WAIT_CTX_get_changed_fds(ctx, addfd, numaddfds, delfd, | |
2003 | numdelfds); | |
f4da39d2 MC |
2004 | } |
2005 | ||
9f5a87fd PY |
2006 | int SSL_CTX_set_async_callback(SSL_CTX *ctx, SSL_async_callback_fn callback) |
2007 | { | |
2008 | ctx->async_cb = callback; | |
2009 | return 1; | |
2010 | } | |
2011 | ||
2012 | int SSL_CTX_set_async_callback_arg(SSL_CTX *ctx, void *arg) | |
2013 | { | |
2014 | ctx->async_cb_arg = arg; | |
2015 | return 1; | |
2016 | } | |
2017 | ||
2018 | int SSL_set_async_callback(SSL *s, SSL_async_callback_fn callback) | |
2019 | { | |
38b051a1 TM |
2020 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
2021 | ||
2022 | if (sc == NULL) | |
2023 | return 0; | |
2024 | ||
2025 | sc->async_cb = callback; | |
9f5a87fd PY |
2026 | return 1; |
2027 | } | |
2028 | ||
2029 | int SSL_set_async_callback_arg(SSL *s, void *arg) | |
2030 | { | |
38b051a1 TM |
2031 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
2032 | ||
2033 | if (sc == NULL) | |
2034 | return 0; | |
2035 | ||
2036 | sc->async_cb_arg = arg; | |
9f5a87fd PY |
2037 | return 1; |
2038 | } | |
2039 | ||
2040 | int SSL_get_async_status(SSL *s, int *status) | |
2041 | { | |
38b051a1 TM |
2042 | ASYNC_WAIT_CTX *ctx; |
2043 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
9f5a87fd | 2044 | |
38b051a1 TM |
2045 | if (sc == NULL) |
2046 | return 0; | |
2047 | ||
2048 | if ((ctx = sc->waitctx) == NULL) | |
9f5a87fd PY |
2049 | return 0; |
2050 | *status = ASYNC_WAIT_CTX_get_status(ctx); | |
2051 | return 1; | |
2052 | } | |
2053 | ||
4f43d0e7 | 2054 | int SSL_accept(SSL *s) |
0f113f3e | 2055 | { |
38b051a1 | 2056 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6292519c | 2057 | #ifndef OPENSSL_NO_QUIC |
03bacce8 HL |
2058 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); |
2059 | ||
2060 | if (qc != NULL) | |
2061 | return s->method->ssl_accept(s); | |
6292519c | 2062 | #endif |
38b051a1 TM |
2063 | |
2064 | if (sc == NULL) | |
2065 | return 0; | |
2066 | ||
2067 | if (sc->handshake_func == NULL) { | |
0f113f3e MC |
2068 | /* Not properly initialized yet */ |
2069 | SSL_set_accept_state(s); | |
07bbc92c | 2070 | } |
add2f5ca MC |
2071 | |
2072 | return SSL_do_handshake(s); | |
0f113f3e | 2073 | } |
d02b48c6 | 2074 | |
4f43d0e7 | 2075 | int SSL_connect(SSL *s) |
0f113f3e | 2076 | { |
38b051a1 | 2077 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6292519c | 2078 | #ifndef OPENSSL_NO_QUIC |
03bacce8 HL |
2079 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); |
2080 | ||
2081 | if (qc != NULL) | |
2082 | return s->method->ssl_connect(s); | |
6292519c | 2083 | #endif |
38b051a1 TM |
2084 | |
2085 | if (sc == NULL) | |
2086 | return 0; | |
2087 | ||
2088 | if (sc->handshake_func == NULL) { | |
0f113f3e MC |
2089 | /* Not properly initialized yet */ |
2090 | SSL_set_connect_state(s); | |
add2f5ca | 2091 | } |
b31b04d9 | 2092 | |
add2f5ca | 2093 | return SSL_do_handshake(s); |
0f113f3e | 2094 | } |
d02b48c6 | 2095 | |
0821bcd4 | 2096 | long SSL_get_default_timeout(const SSL *s) |
0f113f3e | 2097 | { |
f0131dc0 | 2098 | return (long int)ossl_time2seconds(s->method->get_timeout()); |
0f113f3e MC |
2099 | } |
2100 | ||
9f5a87fd PY |
2101 | static int ssl_async_wait_ctx_cb(void *arg) |
2102 | { | |
2103 | SSL *s = (SSL *)arg; | |
38b051a1 | 2104 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
9f5a87fd | 2105 | |
38b051a1 TM |
2106 | if (sc == NULL) |
2107 | return 0; | |
2108 | ||
2109 | return sc->async_cb(s, sc->async_cb_arg); | |
9f5a87fd PY |
2110 | } |
2111 | ||
7fecbf6f | 2112 | static int ssl_start_async_job(SSL *s, struct ssl_async_args *args, |
a230b26e EK |
2113 | int (*func) (void *)) |
2114 | { | |
add2f5ca | 2115 | int ret; |
38b051a1 TM |
2116 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
2117 | ||
2118 | if (sc == NULL) | |
2119 | return 0; | |
2120 | ||
2121 | if (sc->waitctx == NULL) { | |
2122 | sc->waitctx = ASYNC_WAIT_CTX_new(); | |
2123 | if (sc->waitctx == NULL) | |
ff75a257 | 2124 | return -1; |
38b051a1 | 2125 | if (sc->async_cb != NULL |
9f5a87fd | 2126 | && !ASYNC_WAIT_CTX_set_callback |
38b051a1 | 2127 | (sc->waitctx, ssl_async_wait_ctx_cb, s)) |
9f5a87fd | 2128 | return -1; |
ff75a257 | 2129 | } |
07f620e3 | 2130 | |
38b051a1 TM |
2131 | sc->rwstate = SSL_NOTHING; |
2132 | switch (ASYNC_start_job(&sc->job, sc->waitctx, &ret, func, args, | |
a230b26e | 2133 | sizeof(struct ssl_async_args))) { |
add2f5ca | 2134 | case ASYNC_ERR: |
38b051a1 | 2135 | sc->rwstate = SSL_NOTHING; |
6849b73c | 2136 | ERR_raise(ERR_LIB_SSL, SSL_R_FAILED_TO_INIT_ASYNC); |
add2f5ca MC |
2137 | return -1; |
2138 | case ASYNC_PAUSE: | |
38b051a1 | 2139 | sc->rwstate = SSL_ASYNC_PAUSED; |
add2f5ca | 2140 | return -1; |
fc7f190c | 2141 | case ASYNC_NO_JOBS: |
38b051a1 | 2142 | sc->rwstate = SSL_ASYNC_NO_JOBS; |
fc7f190c | 2143 | return -1; |
add2f5ca | 2144 | case ASYNC_FINISH: |
38b051a1 | 2145 | sc->job = NULL; |
add2f5ca MC |
2146 | return ret; |
2147 | default: | |
38b051a1 | 2148 | sc->rwstate = SSL_NOTHING; |
6849b73c | 2149 | ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR); |
add2f5ca MC |
2150 | /* Shouldn't happen */ |
2151 | return -1; | |
2152 | } | |
2153 | } | |
07bbc92c | 2154 | |
add2f5ca | 2155 | static int ssl_io_intern(void *vargs) |
07bbc92c MC |
2156 | { |
2157 | struct ssl_async_args *args; | |
2158 | SSL *s; | |
2159 | void *buf; | |
348240c6 | 2160 | size_t num; |
38b051a1 | 2161 | SSL_CONNECTION *sc; |
07bbc92c MC |
2162 | |
2163 | args = (struct ssl_async_args *)vargs; | |
2164 | s = args->s; | |
2165 | buf = args->buf; | |
2166 | num = args->num; | |
38b051a1 TM |
2167 | if ((sc = SSL_CONNECTION_FROM_SSL(s)) == NULL) |
2168 | return -1; | |
2169 | ||
ec447924 MC |
2170 | switch (args->type) { |
2171 | case READFUNC: | |
38b051a1 | 2172 | return args->f.func_read(s, buf, num, &sc->asyncrw); |
ec447924 | 2173 | case WRITEFUNC: |
38b051a1 | 2174 | return args->f.func_write(s, buf, num, &sc->asyncrw); |
ec447924 MC |
2175 | case OTHERFUNC: |
2176 | return args->f.func_other(s); | |
2177 | } | |
2178 | return -1; | |
07bbc92c MC |
2179 | } |
2180 | ||
4ee7d3f9 | 2181 | int ssl_read_internal(SSL *s, void *buf, size_t num, size_t *readbytes) |
0f113f3e | 2182 | { |
38b051a1 | 2183 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6292519c | 2184 | #ifndef OPENSSL_NO_QUIC |
03bacce8 HL |
2185 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); |
2186 | ||
2187 | if (qc != NULL) | |
2188 | return s->method->ssl_read(s, buf, num, readbytes); | |
6292519c | 2189 | #endif |
38b051a1 TM |
2190 | |
2191 | if (sc == NULL) | |
2192 | return -1; | |
2193 | ||
2194 | if (sc->handshake_func == NULL) { | |
6849b73c | 2195 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
0f113f3e MC |
2196 | return -1; |
2197 | } | |
2198 | ||
38b051a1 TM |
2199 | if (sc->shutdown & SSL_RECEIVED_SHUTDOWN) { |
2200 | sc->rwstate = SSL_NOTHING; | |
4ee7d3f9 | 2201 | return 0; |
0f113f3e | 2202 | } |
07bbc92c | 2203 | |
38b051a1 TM |
2204 | if (sc->early_data_state == SSL_EARLY_DATA_CONNECT_RETRY |
2205 | || sc->early_data_state == SSL_EARLY_DATA_ACCEPT_RETRY) { | |
6849b73c | 2206 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
0a5ece5b MC |
2207 | return 0; |
2208 | } | |
564547e4 MC |
2209 | /* |
2210 | * If we are a client and haven't received the ServerHello etc then we | |
2211 | * better do that | |
2212 | */ | |
38b051a1 | 2213 | ossl_statem_check_finish_init(sc, 0); |
0a5ece5b | 2214 | |
38b051a1 | 2215 | if ((sc->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
add2f5ca | 2216 | struct ssl_async_args args; |
eda75751 | 2217 | int ret; |
add2f5ca MC |
2218 | |
2219 | args.s = s; | |
2220 | args.buf = buf; | |
2221 | args.num = num; | |
ec447924 MC |
2222 | args.type = READFUNC; |
2223 | args.f.func_read = s->method->ssl_read; | |
add2f5ca | 2224 | |
eda75751 | 2225 | ret = ssl_start_async_job(s, &args, ssl_io_intern); |
38b051a1 | 2226 | *readbytes = sc->asyncrw; |
eda75751 | 2227 | return ret; |
07bbc92c | 2228 | } else { |
54105ddd | 2229 | return s->method->ssl_read(s, buf, num, readbytes); |
07bbc92c | 2230 | } |
0f113f3e MC |
2231 | } |
2232 | ||
4ee7d3f9 | 2233 | int SSL_read(SSL *s, void *buf, int num) |
eda75751 MC |
2234 | { |
2235 | int ret; | |
54105ddd | 2236 | size_t readbytes; |
eda75751 MC |
2237 | |
2238 | if (num < 0) { | |
6849b73c | 2239 | ERR_raise(ERR_LIB_SSL, SSL_R_BAD_LENGTH); |
eda75751 MC |
2240 | return -1; |
2241 | } | |
2242 | ||
4ee7d3f9 | 2243 | ret = ssl_read_internal(s, buf, (size_t)num, &readbytes); |
eda75751 MC |
2244 | |
2245 | /* | |
2246 | * The cast is safe here because ret should be <= INT_MAX because num is | |
2247 | * <= INT_MAX | |
2248 | */ | |
2249 | if (ret > 0) | |
54105ddd | 2250 | ret = (int)readbytes; |
eda75751 MC |
2251 | |
2252 | return ret; | |
2253 | } | |
2254 | ||
4ee7d3f9 KR |
2255 | int SSL_read_ex(SSL *s, void *buf, size_t num, size_t *readbytes) |
2256 | { | |
2257 | int ret = ssl_read_internal(s, buf, num, readbytes); | |
2258 | ||
2259 | if (ret < 0) | |
2260 | ret = 0; | |
2261 | return ret; | |
2262 | } | |
2263 | ||
f533fbd4 | 2264 | int SSL_read_early_data(SSL *s, void *buf, size_t num, size_t *readbytes) |
d781d247 MC |
2265 | { |
2266 | int ret; | |
38b051a1 TM |
2267 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
2268 | ||
2269 | /* TODO(QUIC): This will need special handling for QUIC */ | |
2270 | if (sc == NULL) | |
2271 | return 0; | |
d781d247 | 2272 | |
38b051a1 | 2273 | if (!sc->server) { |
6849b73c | 2274 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
f533fbd4 | 2275 | return SSL_READ_EARLY_DATA_ERROR; |
d781d247 MC |
2276 | } |
2277 | ||
38b051a1 | 2278 | switch (sc->early_data_state) { |
d781d247 MC |
2279 | case SSL_EARLY_DATA_NONE: |
2280 | if (!SSL_in_before(s)) { | |
6849b73c | 2281 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
f533fbd4 | 2282 | return SSL_READ_EARLY_DATA_ERROR; |
d781d247 MC |
2283 | } |
2284 | /* fall through */ | |
2285 | ||
2286 | case SSL_EARLY_DATA_ACCEPT_RETRY: | |
38b051a1 | 2287 | sc->early_data_state = SSL_EARLY_DATA_ACCEPTING; |
d781d247 MC |
2288 | ret = SSL_accept(s); |
2289 | if (ret <= 0) { | |
2290 | /* NBIO or error */ | |
38b051a1 | 2291 | sc->early_data_state = SSL_EARLY_DATA_ACCEPT_RETRY; |
f533fbd4 | 2292 | return SSL_READ_EARLY_DATA_ERROR; |
d781d247 MC |
2293 | } |
2294 | /* fall through */ | |
2295 | ||
2296 | case SSL_EARLY_DATA_READ_RETRY: | |
38b051a1 TM |
2297 | if (sc->ext.early_data == SSL_EARLY_DATA_ACCEPTED) { |
2298 | sc->early_data_state = SSL_EARLY_DATA_READING; | |
d781d247 MC |
2299 | ret = SSL_read_ex(s, buf, num, readbytes); |
2300 | /* | |
ef6c191b MC |
2301 | * State machine will update early_data_state to |
2302 | * SSL_EARLY_DATA_FINISHED_READING if we get an EndOfEarlyData | |
2303 | * message | |
d781d247 | 2304 | */ |
38b051a1 | 2305 | if (ret > 0 || (ret <= 0 && sc->early_data_state |
d781d247 | 2306 | != SSL_EARLY_DATA_FINISHED_READING)) { |
38b051a1 | 2307 | sc->early_data_state = SSL_EARLY_DATA_READ_RETRY; |
f533fbd4 MC |
2308 | return ret > 0 ? SSL_READ_EARLY_DATA_SUCCESS |
2309 | : SSL_READ_EARLY_DATA_ERROR; | |
d781d247 MC |
2310 | } |
2311 | } else { | |
38b051a1 | 2312 | sc->early_data_state = SSL_EARLY_DATA_FINISHED_READING; |
d781d247 MC |
2313 | } |
2314 | *readbytes = 0; | |
f533fbd4 | 2315 | return SSL_READ_EARLY_DATA_FINISH; |
d781d247 MC |
2316 | |
2317 | default: | |
6849b73c | 2318 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
f533fbd4 | 2319 | return SSL_READ_EARLY_DATA_ERROR; |
d781d247 MC |
2320 | } |
2321 | } | |
2322 | ||
f5b519c4 | 2323 | int SSL_get_early_data_status(const SSL *s) |
1ea4d09a | 2324 | { |
38b051a1 TM |
2325 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(s); |
2326 | ||
2327 | /* TODO(QUIC): This will need special handling for QUIC */ | |
2328 | if (sc == NULL) | |
2329 | return 0; | |
2330 | ||
2331 | return sc->ext.early_data; | |
1ea4d09a MC |
2332 | } |
2333 | ||
4ee7d3f9 | 2334 | static int ssl_peek_internal(SSL *s, void *buf, size_t num, size_t *readbytes) |
0f113f3e | 2335 | { |
38b051a1 | 2336 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6292519c | 2337 | #ifndef OPENSSL_NO_QUIC |
03bacce8 HL |
2338 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); |
2339 | ||
2340 | if (qc != NULL) | |
2341 | return s->method->ssl_peek(s, buf, num, readbytes); | |
6292519c | 2342 | #endif |
38b051a1 TM |
2343 | |
2344 | if (sc == NULL) | |
2345 | return 0; | |
2346 | ||
2347 | if (sc->handshake_func == NULL) { | |
6849b73c | 2348 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
0f113f3e MC |
2349 | return -1; |
2350 | } | |
2351 | ||
38b051a1 | 2352 | if (sc->shutdown & SSL_RECEIVED_SHUTDOWN) { |
4ee7d3f9 | 2353 | return 0; |
0f113f3e | 2354 | } |
38b051a1 | 2355 | if ((sc->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
add2f5ca | 2356 | struct ssl_async_args args; |
eda75751 | 2357 | int ret; |
0f113f3e | 2358 | |
add2f5ca MC |
2359 | args.s = s; |
2360 | args.buf = buf; | |
2361 | args.num = num; | |
ec447924 MC |
2362 | args.type = READFUNC; |
2363 | args.f.func_read = s->method->ssl_peek; | |
07bbc92c | 2364 | |
eda75751 | 2365 | ret = ssl_start_async_job(s, &args, ssl_io_intern); |
38b051a1 | 2366 | *readbytes = sc->asyncrw; |
eda75751 | 2367 | return ret; |
add2f5ca | 2368 | } else { |
54105ddd | 2369 | return s->method->ssl_peek(s, buf, num, readbytes); |
add2f5ca | 2370 | } |
07bbc92c MC |
2371 | } |
2372 | ||
4ee7d3f9 | 2373 | int SSL_peek(SSL *s, void *buf, int num) |
7ee8627f MC |
2374 | { |
2375 | int ret; | |
4ee7d3f9 | 2376 | size_t readbytes; |
7ee8627f MC |
2377 | |
2378 | if (num < 0) { | |
6849b73c | 2379 | ERR_raise(ERR_LIB_SSL, SSL_R_BAD_LENGTH); |
7ee8627f MC |
2380 | return -1; |
2381 | } | |
2382 | ||
4ee7d3f9 | 2383 | ret = ssl_peek_internal(s, buf, (size_t)num, &readbytes); |
7ee8627f MC |
2384 | |
2385 | /* | |
2386 | * The cast is safe here because ret should be <= INT_MAX because num is | |
2387 | * <= INT_MAX | |
2388 | */ | |
2389 | if (ret > 0) | |
4ee7d3f9 | 2390 | ret = (int)readbytes; |
7ee8627f MC |
2391 | |
2392 | return ret; | |
2393 | } | |
2394 | ||
4ee7d3f9 KR |
2395 | |
2396 | int SSL_peek_ex(SSL *s, void *buf, size_t num, size_t *readbytes) | |
2397 | { | |
2398 | int ret = ssl_peek_internal(s, buf, num, readbytes); | |
2399 | ||
2400 | if (ret < 0) | |
2401 | ret = 0; | |
2402 | return ret; | |
2403 | } | |
2404 | ||
2405 | int ssl_write_internal(SSL *s, const void *buf, size_t num, size_t *written) | |
0f113f3e | 2406 | { |
38b051a1 | 2407 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6292519c | 2408 | #ifndef OPENSSL_NO_QUIC |
03bacce8 HL |
2409 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); |
2410 | ||
2411 | if (qc != NULL) | |
2412 | return s->method->ssl_write(s, buf, num, written); | |
6292519c | 2413 | #endif |
38b051a1 TM |
2414 | |
2415 | if (sc == NULL) | |
2416 | return 0; | |
2417 | ||
2418 | if (sc->handshake_func == NULL) { | |
6849b73c | 2419 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
0f113f3e MC |
2420 | return -1; |
2421 | } | |
2422 | ||
38b051a1 TM |
2423 | if (sc->shutdown & SSL_SENT_SHUTDOWN) { |
2424 | sc->rwstate = SSL_NOTHING; | |
6849b73c | 2425 | ERR_raise(ERR_LIB_SSL, SSL_R_PROTOCOL_IS_SHUTDOWN); |
4ee7d3f9 | 2426 | return -1; |
0f113f3e | 2427 | } |
07bbc92c | 2428 | |
38b051a1 TM |
2429 | if (sc->early_data_state == SSL_EARLY_DATA_CONNECT_RETRY |
2430 | || sc->early_data_state == SSL_EARLY_DATA_ACCEPT_RETRY | |
2431 | || sc->early_data_state == SSL_EARLY_DATA_READ_RETRY) { | |
6849b73c | 2432 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
49e7fe12 | 2433 | return 0; |
0a5ece5b | 2434 | } |
564547e4 | 2435 | /* If we are a client and haven't sent the Finished we better do that */ |
38b051a1 | 2436 | ossl_statem_check_finish_init(sc, 1); |
49e7fe12 | 2437 | |
38b051a1 | 2438 | if ((sc->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
7ee8627f | 2439 | int ret; |
add2f5ca MC |
2440 | struct ssl_async_args args; |
2441 | ||
2442 | args.s = s; | |
2443 | args.buf = (void *)buf; | |
2444 | args.num = num; | |
ec447924 MC |
2445 | args.type = WRITEFUNC; |
2446 | args.f.func_write = s->method->ssl_write; | |
add2f5ca | 2447 | |
7ee8627f | 2448 | ret = ssl_start_async_job(s, &args, ssl_io_intern); |
38b051a1 | 2449 | *written = sc->asyncrw; |
7ee8627f | 2450 | return ret; |
07bbc92c | 2451 | } else { |
7ee8627f | 2452 | return s->method->ssl_write(s, buf, num, written); |
07bbc92c | 2453 | } |
0f113f3e | 2454 | } |
d02b48c6 | 2455 | |
7c3a7561 BP |
2456 | ossl_ssize_t SSL_sendfile(SSL *s, int fd, off_t offset, size_t size, int flags) |
2457 | { | |
2458 | ossl_ssize_t ret; | |
38b051a1 | 2459 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
7c3a7561 | 2460 | |
38b051a1 TM |
2461 | if (sc == NULL) |
2462 | return 0; | |
2463 | ||
2464 | if (sc->handshake_func == NULL) { | |
6849b73c | 2465 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
7c3a7561 BP |
2466 | return -1; |
2467 | } | |
2468 | ||
38b051a1 TM |
2469 | if (sc->shutdown & SSL_SENT_SHUTDOWN) { |
2470 | sc->rwstate = SSL_NOTHING; | |
6849b73c | 2471 | ERR_raise(ERR_LIB_SSL, SSL_R_PROTOCOL_IS_SHUTDOWN); |
7c3a7561 BP |
2472 | return -1; |
2473 | } | |
2474 | ||
38b051a1 | 2475 | if (!BIO_get_ktls_send(sc->wbio)) { |
6849b73c | 2476 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
7c3a7561 BP |
2477 | return -1; |
2478 | } | |
2479 | ||
2480 | /* If we have an alert to send, lets send it */ | |
73243502 | 2481 | if (sc->s3.alert_dispatch > 0) { |
7c3a7561 BP |
2482 | ret = (ossl_ssize_t)s->method->ssl_dispatch_alert(s); |
2483 | if (ret <= 0) { | |
2484 | /* SSLfatal() already called if appropriate */ | |
2485 | return ret; | |
2486 | } | |
2487 | /* if it went, fall through and send more stuff */ | |
2488 | } | |
2489 | ||
38b051a1 TM |
2490 | sc->rwstate = SSL_WRITING; |
2491 | if (BIO_flush(sc->wbio) <= 0) { | |
2492 | if (!BIO_should_retry(sc->wbio)) { | |
2493 | sc->rwstate = SSL_NOTHING; | |
7c3a7561 BP |
2494 | } else { |
2495 | #ifdef EAGAIN | |
2496 | set_sys_error(EAGAIN); | |
2497 | #endif | |
2498 | } | |
2499 | return -1; | |
2500 | } | |
2501 | ||
712c0942 | 2502 | #ifdef OPENSSL_NO_KTLS |
fa7a8074 RL |
2503 | ERR_raise_data(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR, |
2504 | "can't call ktls_sendfile(), ktls disabled"); | |
712c0942 | 2505 | return -1; |
7c3a7561 | 2506 | #else |
712c0942 | 2507 | ret = ktls_sendfile(SSL_get_wfd(s), fd, offset, size, flags); |
7c3a7561 BP |
2508 | if (ret < 0) { |
2509 | #if defined(EAGAIN) && defined(EINTR) && defined(EBUSY) | |
2510 | if ((get_last_sys_error() == EAGAIN) || | |
2511 | (get_last_sys_error() == EINTR) || | |
2512 | (get_last_sys_error() == EBUSY)) | |
38b051a1 | 2513 | BIO_set_retry_write(sc->wbio); |
7c3a7561 BP |
2514 | else |
2515 | #endif | |
6849b73c | 2516 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
7c3a7561 BP |
2517 | return ret; |
2518 | } | |
38b051a1 | 2519 | sc->rwstate = SSL_NOTHING; |
7c3a7561 | 2520 | return ret; |
712c0942 | 2521 | #endif |
7c3a7561 BP |
2522 | } |
2523 | ||
4ee7d3f9 KR |
2524 | int SSL_write(SSL *s, const void *buf, int num) |
2525 | { | |
2526 | int ret; | |
2527 | size_t written; | |
2528 | ||
2529 | if (num < 0) { | |
6849b73c | 2530 | ERR_raise(ERR_LIB_SSL, SSL_R_BAD_LENGTH); |
4ee7d3f9 KR |
2531 | return -1; |
2532 | } | |
2533 | ||
2534 | ret = ssl_write_internal(s, buf, (size_t)num, &written); | |
2535 | ||
2536 | /* | |
2537 | * The cast is safe here because ret should be <= INT_MAX because num is | |
2538 | * <= INT_MAX | |
2539 | */ | |
2540 | if (ret > 0) | |
2541 | ret = (int)written; | |
2542 | ||
2543 | return ret; | |
2544 | } | |
2545 | ||
2546 | int SSL_write_ex(SSL *s, const void *buf, size_t num, size_t *written) | |
2547 | { | |
2548 | int ret = ssl_write_internal(s, buf, num, written); | |
2549 | ||
2550 | if (ret < 0) | |
2551 | ret = 0; | |
2552 | return ret; | |
2553 | } | |
2554 | ||
0665b4ed | 2555 | int SSL_write_early_data(SSL *s, const void *buf, size_t num, size_t *written) |
49e7fe12 | 2556 | { |
a0cb628b | 2557 | int ret, early_data_state; |
2a8db717 | 2558 | size_t writtmp; |
f7414b08 | 2559 | uint32_t partialwrite; |
38b051a1 TM |
2560 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
2561 | ||
2562 | /* TODO(QUIC): This will need special handling for QUIC */ | |
2563 | if (sc == NULL) | |
2564 | return 0; | |
49e7fe12 | 2565 | |
38b051a1 | 2566 | switch (sc->early_data_state) { |
49e7fe12 | 2567 | case SSL_EARLY_DATA_NONE: |
38b051a1 | 2568 | if (sc->server |
09f28874 | 2569 | || !SSL_in_before(s) |
38b051a1 TM |
2570 | || ((sc->session == NULL || sc->session->ext.max_early_data == 0) |
2571 | && (sc->psk_use_session_cb == NULL))) { | |
6849b73c | 2572 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
49e7fe12 MC |
2573 | return 0; |
2574 | } | |
2575 | /* fall through */ | |
2576 | ||
2577 | case SSL_EARLY_DATA_CONNECT_RETRY: | |
38b051a1 | 2578 | sc->early_data_state = SSL_EARLY_DATA_CONNECTING; |
49e7fe12 MC |
2579 | ret = SSL_connect(s); |
2580 | if (ret <= 0) { | |
2581 | /* NBIO or error */ | |
38b051a1 | 2582 | sc->early_data_state = SSL_EARLY_DATA_CONNECT_RETRY; |
49e7fe12 MC |
2583 | return 0; |
2584 | } | |
2585 | /* fall through */ | |
2586 | ||
2587 | case SSL_EARLY_DATA_WRITE_RETRY: | |
38b051a1 | 2588 | sc->early_data_state = SSL_EARLY_DATA_WRITING; |
f7414b08 MC |
2589 | /* |
2590 | * We disable partial write for early data because we don't keep track | |
2591 | * of how many bytes we've written between the SSL_write_ex() call and | |
2592 | * the flush if the flush needs to be retried) | |
2593 | */ | |
38b051a1 TM |
2594 | partialwrite = sc->mode & SSL_MODE_ENABLE_PARTIAL_WRITE; |
2595 | sc->mode &= ~SSL_MODE_ENABLE_PARTIAL_WRITE; | |
2a8db717 | 2596 | ret = SSL_write_ex(s, buf, num, &writtmp); |
38b051a1 | 2597 | sc->mode |= partialwrite; |
2a8db717 | 2598 | if (!ret) { |
38b051a1 | 2599 | sc->early_data_state = SSL_EARLY_DATA_WRITE_RETRY; |
2a8db717 MC |
2600 | return ret; |
2601 | } | |
38b051a1 | 2602 | sc->early_data_state = SSL_EARLY_DATA_WRITE_FLUSH; |
2a8db717 MC |
2603 | /* fall through */ |
2604 | ||
2605 | case SSL_EARLY_DATA_WRITE_FLUSH: | |
2606 | /* The buffering BIO is still in place so we need to flush it */ | |
38b051a1 | 2607 | if (statem_flush(sc) != 1) |
2a8db717 | 2608 | return 0; |
2a8db717 | 2609 | *written = num; |
38b051a1 | 2610 | sc->early_data_state = SSL_EARLY_DATA_WRITE_RETRY; |
2a8db717 | 2611 | return 1; |
49e7fe12 | 2612 | |
116d0da5 | 2613 | case SSL_EARLY_DATA_FINISHED_READING: |
a0cb628b | 2614 | case SSL_EARLY_DATA_READ_RETRY: |
38b051a1 | 2615 | early_data_state = sc->early_data_state; |
09f28874 | 2616 | /* We are a server writing to an unauthenticated client */ |
38b051a1 | 2617 | sc->early_data_state = SSL_EARLY_DATA_UNAUTH_WRITING; |
09f28874 | 2618 | ret = SSL_write_ex(s, buf, num, written); |
5fe37157 MC |
2619 | /* The buffering BIO is still in place */ |
2620 | if (ret) | |
38b051a1 TM |
2621 | (void)BIO_flush(sc->wbio); |
2622 | sc->early_data_state = early_data_state; | |
09f28874 MC |
2623 | return ret; |
2624 | ||
49e7fe12 | 2625 | default: |
6849b73c | 2626 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
49e7fe12 MC |
2627 | return 0; |
2628 | } | |
2629 | } | |
2630 | ||
4f43d0e7 | 2631 | int SSL_shutdown(SSL *s) |
0f113f3e MC |
2632 | { |
2633 | /* | |
2634 | * Note that this function behaves differently from what one might | |
2635 | * expect. Return values are 0 for no success (yet), 1 for success; but | |
2636 | * calling it once is usually not enough, even if blocking I/O is used | |
2637 | * (see ssl3_shutdown). | |
2638 | */ | |
38b051a1 | 2639 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
0f113f3e | 2640 | |
38b051a1 TM |
2641 | if (sc == NULL) |
2642 | return -1; | |
2643 | ||
2644 | if (sc->handshake_func == NULL) { | |
6849b73c | 2645 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
0f113f3e MC |
2646 | return -1; |
2647 | } | |
2648 | ||
64f9f406 | 2649 | if (!SSL_in_init(s)) { |
38b051a1 | 2650 | if ((sc->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
64f9f406 | 2651 | struct ssl_async_args args; |
ec447924 | 2652 | |
09134f18 | 2653 | memset(&args, 0, sizeof(args)); |
64f9f406 MC |
2654 | args.s = s; |
2655 | args.type = OTHERFUNC; | |
2656 | args.f.func_other = s->method->ssl_shutdown; | |
ec447924 | 2657 | |
64f9f406 MC |
2658 | return ssl_start_async_job(s, &args, ssl_io_intern); |
2659 | } else { | |
2660 | return s->method->ssl_shutdown(s); | |
2661 | } | |
ec447924 | 2662 | } else { |
6849b73c | 2663 | ERR_raise(ERR_LIB_SSL, SSL_R_SHUTDOWN_WHILE_IN_INIT); |
64f9f406 | 2664 | return -1; |
ec447924 | 2665 | } |
0f113f3e | 2666 | } |
d02b48c6 | 2667 | |
4fbfe86a | 2668 | int SSL_key_update(SSL *s, int updatetype) |
44c04a2e | 2669 | { |
38b051a1 TM |
2670 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
2671 | ||
2672 | if (sc == NULL) | |
2673 | return 0; | |
2674 | ||
2675 | if (!SSL_CONNECTION_IS_TLS13(sc)) { | |
6849b73c | 2676 | ERR_raise(ERR_LIB_SSL, SSL_R_WRONG_SSL_VERSION); |
44c04a2e MC |
2677 | return 0; |
2678 | } | |
2679 | ||
2680 | if (updatetype != SSL_KEY_UPDATE_NOT_REQUESTED | |
2681 | && updatetype != SSL_KEY_UPDATE_REQUESTED) { | |
6849b73c | 2682 | ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_KEY_UPDATE_TYPE); |
44c04a2e MC |
2683 | return 0; |
2684 | } | |
2685 | ||
2686 | if (!SSL_is_init_finished(s)) { | |
6849b73c | 2687 | ERR_raise(ERR_LIB_SSL, SSL_R_STILL_IN_INIT); |
44c04a2e MC |
2688 | return 0; |
2689 | } | |
2690 | ||
38b051a1 | 2691 | if (RECORD_LAYER_write_pending(&sc->rlayer)) { |
3bec4851 MC |
2692 | ERR_raise(ERR_LIB_SSL, SSL_R_BAD_WRITE_RETRY); |
2693 | return 0; | |
2694 | } | |
2695 | ||
38b051a1 TM |
2696 | ossl_statem_set_in_init(sc, 1); |
2697 | sc->key_update = updatetype; | |
44c04a2e MC |
2698 | return 1; |
2699 | } | |
2700 | ||
3499327b | 2701 | int SSL_get_key_update_type(const SSL *s) |
53d1d07d | 2702 | { |
38b051a1 TM |
2703 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
2704 | ||
2705 | if (sc == NULL) | |
2706 | return 0; | |
2707 | ||
2708 | return sc->key_update; | |
53d1d07d MC |
2709 | } |
2710 | ||
55373bfd RS |
2711 | /* |
2712 | * Can we accept a renegotiation request? If yes, set the flag and | |
2713 | * return 1 if yes. If not, raise error and return 0. | |
2714 | */ | |
38b051a1 | 2715 | static int can_renegotiate(const SSL_CONNECTION *sc) |
0f113f3e | 2716 | { |
38b051a1 | 2717 | if (SSL_CONNECTION_IS_TLS13(sc)) { |
6849b73c | 2718 | ERR_raise(ERR_LIB_SSL, SSL_R_WRONG_SSL_VERSION); |
2c0980d2 | 2719 | return 0; |
44c04a2e | 2720 | } |
cda6b998 | 2721 | |
38b051a1 | 2722 | if ((sc->options & SSL_OP_NO_RENEGOTIATION) != 0) { |
6849b73c | 2723 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_RENEGOTIATION); |
db0f35dd TS |
2724 | return 0; |
2725 | } | |
44959ee4 | 2726 | |
55373bfd RS |
2727 | return 1; |
2728 | } | |
2729 | ||
2730 | int SSL_renegotiate(SSL *s) | |
2731 | { | |
38b051a1 TM |
2732 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
2733 | ||
2734 | if (sc == NULL) | |
55373bfd RS |
2735 | return 0; |
2736 | ||
38b051a1 TM |
2737 | if (!can_renegotiate(sc)) |
2738 | return 0; | |
2739 | ||
2740 | sc->renegotiate = 1; | |
2741 | sc->new_session = 1; | |
26a7d938 | 2742 | return s->method->ssl_renegotiate(s); |
0f113f3e | 2743 | } |
d02b48c6 | 2744 | |
44959ee4 | 2745 | int SSL_renegotiate_abbreviated(SSL *s) |
0f113f3e | 2746 | { |
38b051a1 TM |
2747 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
2748 | ||
2749 | if (sc == NULL) | |
2750 | return 0; | |
2751 | ||
2752 | if (!can_renegotiate(sc)) | |
2c0980d2 | 2753 | return 0; |
c519e89f | 2754 | |
38b051a1 TM |
2755 | sc->renegotiate = 1; |
2756 | sc->new_session = 0; | |
26a7d938 | 2757 | return s->method->ssl_renegotiate(s); |
0f113f3e | 2758 | } |
44959ee4 | 2759 | |
3499327b | 2760 | int SSL_renegotiate_pending(const SSL *s) |
0f113f3e | 2761 | { |
38b051a1 TM |
2762 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
2763 | ||
2764 | if (sc == NULL) | |
2765 | return 0; | |
2766 | ||
0f113f3e MC |
2767 | /* |
2768 | * becomes true when negotiation is requested; false again once a | |
2769 | * handshake has finished | |
2770 | */ | |
38b051a1 | 2771 | return (sc->renegotiate != 0); |
0f113f3e MC |
2772 | } |
2773 | ||
3bfacb5f BK |
2774 | int SSL_new_session_ticket(SSL *s) |
2775 | { | |
38b051a1 TM |
2776 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
2777 | ||
2778 | if (sc == NULL) | |
2779 | return 0; | |
2780 | ||
7c73fefe | 2781 | /* If we are in init because we're sending tickets, okay to send more. */ |
38b051a1 TM |
2782 | if ((SSL_in_init(s) && sc->ext.extra_tickets_expected == 0) |
2783 | || SSL_IS_FIRST_HANDSHAKE(sc) || !sc->server | |
2784 | || !SSL_CONNECTION_IS_TLS13(sc)) | |
35774d55 | 2785 | return 0; |
38b051a1 TM |
2786 | sc->ext.extra_tickets_expected++; |
2787 | if (!RECORD_LAYER_write_pending(&sc->rlayer) && !SSL_in_init(s)) | |
2788 | ossl_statem_set_in_init(sc, 1); | |
35774d55 | 2789 | return 1; |
3bfacb5f BK |
2790 | } |
2791 | ||
0f113f3e MC |
2792 | long SSL_ctrl(SSL *s, int cmd, long larg, void *parg) |
2793 | { | |
2794 | long l; | |
38b051a1 TM |
2795 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
2796 | ||
2797 | /* TODO(QUIC): Special handling for some ctrls will be needed */ | |
2798 | if (sc == NULL) | |
2799 | return 0; | |
0f113f3e MC |
2800 | |
2801 | switch (cmd) { | |
2802 | case SSL_CTRL_GET_READ_AHEAD: | |
38b051a1 | 2803 | return RECORD_LAYER_get_read_ahead(&sc->rlayer); |
0f113f3e | 2804 | case SSL_CTRL_SET_READ_AHEAD: |
38b051a1 TM |
2805 | l = RECORD_LAYER_get_read_ahead(&sc->rlayer); |
2806 | RECORD_LAYER_set_read_ahead(&sc->rlayer, larg); | |
26a7d938 | 2807 | return l; |
0f113f3e MC |
2808 | |
2809 | case SSL_CTRL_SET_MSG_CALLBACK_ARG: | |
38b051a1 | 2810 | sc->msg_callback_arg = parg; |
0f113f3e MC |
2811 | return 1; |
2812 | ||
0f113f3e | 2813 | case SSL_CTRL_MODE: |
4566dae7 MC |
2814 | { |
2815 | OSSL_PARAM options[2], *opts = options; | |
2816 | ||
2817 | sc->mode |= larg; | |
2818 | ||
2819 | *opts++ = OSSL_PARAM_construct_uint32(OSSL_LIBSSL_RECORD_LAYER_PARAM_MODE, | |
2820 | &sc->mode); | |
2821 | *opts = OSSL_PARAM_construct_end(); | |
2822 | ||
2823 | /* Ignore return value */ | |
2824 | sc->rlayer.rrlmethod->set_options(sc->rlayer.rrl, options); | |
2825 | ||
2826 | return sc->mode; | |
2827 | } | |
0f113f3e | 2828 | case SSL_CTRL_CLEAR_MODE: |
38b051a1 | 2829 | return (sc->mode &= ~larg); |
0f113f3e | 2830 | case SSL_CTRL_GET_MAX_CERT_LIST: |
38b051a1 | 2831 | return (long)sc->max_cert_list; |
0f113f3e | 2832 | case SSL_CTRL_SET_MAX_CERT_LIST: |
348240c6 MC |
2833 | if (larg < 0) |
2834 | return 0; | |
38b051a1 TM |
2835 | l = (long)sc->max_cert_list; |
2836 | sc->max_cert_list = (size_t)larg; | |
348240c6 | 2837 | return l; |
0f113f3e MC |
2838 | case SSL_CTRL_SET_MAX_SEND_FRAGMENT: |
2839 | if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH) | |
2840 | return 0; | |
50ec7505 | 2841 | #ifndef OPENSSL_NO_KTLS |
38b051a1 | 2842 | if (sc->wbio != NULL && BIO_get_ktls_send(sc->wbio)) |
50ec7505 BP |
2843 | return 0; |
2844 | #endif /* OPENSSL_NO_KTLS */ | |
38b051a1 TM |
2845 | sc->max_send_fragment = larg; |
2846 | if (sc->max_send_fragment < sc->split_send_fragment) | |
2847 | sc->split_send_fragment = sc->max_send_fragment; | |
435d88d7 | 2848 | sc->rlayer.wrlmethod->set_max_frag_len(sc->rlayer.wrl, larg); |
d102d9df MC |
2849 | return 1; |
2850 | case SSL_CTRL_SET_SPLIT_SEND_FRAGMENT: | |
38b051a1 | 2851 | if ((size_t)larg > sc->max_send_fragment || larg == 0) |
d102d9df | 2852 | return 0; |
38b051a1 | 2853 | sc->split_send_fragment = larg; |
0f113f3e | 2854 | return 1; |
d102d9df MC |
2855 | case SSL_CTRL_SET_MAX_PIPELINES: |
2856 | if (larg < 1 || larg > SSL_MAX_PIPELINES) | |
2857 | return 0; | |
38b051a1 | 2858 | sc->max_pipelines = larg; |
cffafb5f MC |
2859 | if (sc->rlayer.rrlmethod->set_max_pipelines != NULL) |
2860 | sc->rlayer.rrlmethod->set_max_pipelines(sc->rlayer.rrl, (size_t)larg); | |
07077415 | 2861 | return 1; |
0f113f3e | 2862 | case SSL_CTRL_GET_RI_SUPPORT: |
38b051a1 | 2863 | return sc->s3.send_connection_binding; |
dfb39f73 | 2864 | case SSL_CTRL_SET_RETRY_VERIFY: |
38b051a1 | 2865 | sc->rwstate = SSL_RETRY_VERIFY; |
dfb39f73 | 2866 | return 1; |
0f113f3e | 2867 | case SSL_CTRL_CERT_FLAGS: |
38b051a1 | 2868 | return (sc->cert->cert_flags |= larg); |
0f113f3e | 2869 | case SSL_CTRL_CLEAR_CERT_FLAGS: |
38b051a1 | 2870 | return (sc->cert->cert_flags &= ~larg); |
0f113f3e MC |
2871 | |
2872 | case SSL_CTRL_GET_RAW_CIPHERLIST: | |
2873 | if (parg) { | |
38b051a1 | 2874 | if (sc->s3.tmp.ciphers_raw == NULL) |
0f113f3e | 2875 | return 0; |
38b051a1 TM |
2876 | *(unsigned char **)parg = sc->s3.tmp.ciphers_raw; |
2877 | return (int)sc->s3.tmp.ciphers_rawlen; | |
e9fa092e EK |
2878 | } else { |
2879 | return TLS_CIPHER_LEN; | |
2880 | } | |
c5364614 | 2881 | case SSL_CTRL_GET_EXTMS_SUPPORT: |
38b051a1 | 2882 | if (!sc->session || SSL_in_init(s) || ossl_statem_get_in_handshake(sc)) |
a230b26e | 2883 | return -1; |
38b051a1 | 2884 | if (sc->session->flags & SSL_SESS_FLAG_EXTMS) |
c5364614 DSH |
2885 | return 1; |
2886 | else | |
2887 | return 0; | |
7946ab33 | 2888 | case SSL_CTRL_SET_MIN_PROTO_VERSION: |
38b051a1 | 2889 | return ssl_check_allowed_versions(larg, sc->max_proto_version) |
c8feba72 | 2890 | && ssl_set_version_bound(s->ctx->method->version, (int)larg, |
38b051a1 | 2891 | &sc->min_proto_version); |
3edabd3c | 2892 | case SSL_CTRL_GET_MIN_PROTO_VERSION: |
38b051a1 | 2893 | return sc->min_proto_version; |
7946ab33 | 2894 | case SSL_CTRL_SET_MAX_PROTO_VERSION: |
38b051a1 | 2895 | return ssl_check_allowed_versions(sc->min_proto_version, larg) |
c8feba72 | 2896 | && ssl_set_version_bound(s->ctx->method->version, (int)larg, |
38b051a1 | 2897 | &sc->max_proto_version); |
3edabd3c | 2898 | case SSL_CTRL_GET_MAX_PROTO_VERSION: |
38b051a1 | 2899 | return sc->max_proto_version; |
0f113f3e | 2900 | default: |
26a7d938 | 2901 | return s->method->ssl_ctrl(s, cmd, larg, parg); |
0f113f3e MC |
2902 | } |
2903 | } | |
2904 | ||
2905 | long SSL_callback_ctrl(SSL *s, int cmd, void (*fp) (void)) | |
2906 | { | |
38b051a1 TM |
2907 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
2908 | ||
2909 | if (sc == NULL) | |
2910 | return 0; | |
2911 | ||
0f113f3e MC |
2912 | switch (cmd) { |
2913 | case SSL_CTRL_SET_MSG_CALLBACK: | |
38b051a1 TM |
2914 | sc->msg_callback = (void (*) |
2915 | (int write_p, int version, int content_type, | |
2916 | const void *buf, size_t len, SSL *ssl, | |
2917 | void *arg))(fp); | |
0f113f3e MC |
2918 | return 1; |
2919 | ||
2920 | default: | |
26a7d938 | 2921 | return s->method->ssl_callback_ctrl(s, cmd, fp); |
0f113f3e MC |
2922 | } |
2923 | } | |
d3442bc7 | 2924 | |
3c1d6bbc | 2925 | LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx) |
0f113f3e MC |
2926 | { |
2927 | return ctx->sessions; | |
2928 | } | |
2929 | ||
acce0557 P |
2930 | static int ssl_tsan_load(SSL_CTX *ctx, TSAN_QUALIFIER int *stat) |
2931 | { | |
2932 | int res = 0; | |
2933 | ||
2934 | if (ssl_tsan_lock(ctx)) { | |
2935 | res = tsan_load(stat); | |
2936 | ssl_tsan_unlock(ctx); | |
2937 | } | |
2938 | return res; | |
2939 | } | |
2940 | ||
0f113f3e MC |
2941 | long SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg) |
2942 | { | |
2943 | long l; | |
2944 | /* For some cases with ctx == NULL perform syntax checks */ | |
2945 | if (ctx == NULL) { | |
2946 | switch (cmd) { | |
de4d764e | 2947 | case SSL_CTRL_SET_GROUPS_LIST: |
260009d8 | 2948 | return tls1_set_groups_list(ctx, NULL, NULL, parg); |
0f113f3e MC |
2949 | case SSL_CTRL_SET_SIGALGS_LIST: |
2950 | case SSL_CTRL_SET_CLIENT_SIGALGS_LIST: | |
2951 | return tls1_set_sigalgs_list(NULL, parg, 0); | |
2952 | default: | |
2953 | return 0; | |
2954 | } | |
2955 | } | |
2956 | ||
2957 | switch (cmd) { | |
2958 | case SSL_CTRL_GET_READ_AHEAD: | |
26a7d938 | 2959 | return ctx->read_ahead; |
0f113f3e MC |
2960 | case SSL_CTRL_SET_READ_AHEAD: |
2961 | l = ctx->read_ahead; | |
2962 | ctx->read_ahead = larg; | |
26a7d938 | 2963 | return l; |
0f113f3e MC |
2964 | |
2965 | case SSL_CTRL_SET_MSG_CALLBACK_ARG: | |
2966 | ctx->msg_callback_arg = parg; | |
2967 | return 1; | |
2968 | ||
2969 | case SSL_CTRL_GET_MAX_CERT_LIST: | |
26a7d938 | 2970 | return (long)ctx->max_cert_list; |
0f113f3e | 2971 | case SSL_CTRL_SET_MAX_CERT_LIST: |
348240c6 MC |
2972 | if (larg < 0) |
2973 | return 0; | |
2974 | l = (long)ctx->max_cert_list; | |
2975 | ctx->max_cert_list = (size_t)larg; | |
2976 | return l; | |
0f113f3e MC |
2977 | |
2978 | case SSL_CTRL_SET_SESS_CACHE_SIZE: | |
348240c6 MC |
2979 | if (larg < 0) |
2980 | return 0; | |
2981 | l = (long)ctx->session_cache_size; | |
2982 | ctx->session_cache_size = (size_t)larg; | |
2983 | return l; | |
0f113f3e | 2984 | case SSL_CTRL_GET_SESS_CACHE_SIZE: |
26a7d938 | 2985 | return (long)ctx->session_cache_size; |
0f113f3e MC |
2986 | case SSL_CTRL_SET_SESS_CACHE_MODE: |
2987 | l = ctx->session_cache_mode; | |
2988 | ctx->session_cache_mode = larg; | |
26a7d938 | 2989 | return l; |
0f113f3e | 2990 | case SSL_CTRL_GET_SESS_CACHE_MODE: |
26a7d938 | 2991 | return ctx->session_cache_mode; |
0f113f3e MC |
2992 | |
2993 | case SSL_CTRL_SESS_NUMBER: | |
26a7d938 | 2994 | return lh_SSL_SESSION_num_items(ctx->sessions); |
0f113f3e | 2995 | case SSL_CTRL_SESS_CONNECT: |
acce0557 | 2996 | return ssl_tsan_load(ctx, &ctx->stats.sess_connect); |
0f113f3e | 2997 | case SSL_CTRL_SESS_CONNECT_GOOD: |
acce0557 | 2998 | return ssl_tsan_load(ctx, &ctx->stats.sess_connect_good); |
0f113f3e | 2999 | case SSL_CTRL_SESS_CONNECT_RENEGOTIATE: |
acce0557 | 3000 | return ssl_tsan_load(ctx, &ctx->stats.sess_connect_renegotiate); |
0f113f3e | 3001 | case SSL_CTRL_SESS_ACCEPT: |
acce0557 | 3002 | return ssl_tsan_load(ctx, &ctx->stats.sess_accept); |
0f113f3e | 3003 | case SSL_CTRL_SESS_ACCEPT_GOOD: |
acce0557 | 3004 | return ssl_tsan_load(ctx, &ctx->stats.sess_accept_good); |
0f113f3e | 3005 | case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE: |
acce0557 | 3006 | return ssl_tsan_load(ctx, &ctx->stats.sess_accept_renegotiate); |
0f113f3e | 3007 | case SSL_CTRL_SESS_HIT: |
acce0557 | 3008 | return ssl_tsan_load(ctx, &ctx->stats.sess_hit); |
0f113f3e | 3009 | case SSL_CTRL_SESS_CB_HIT: |
acce0557 | 3010 | return ssl_tsan_load(ctx, &ctx->stats.sess_cb_hit); |
0f113f3e | 3011 | case SSL_CTRL_SESS_MISSES: |
acce0557 | 3012 | return ssl_tsan_load(ctx, &ctx->stats.sess_miss); |
0f113f3e | 3013 | case SSL_CTRL_SESS_TIMEOUTS: |
acce0557 | 3014 | return ssl_tsan_load(ctx, &ctx->stats.sess_timeout); |
0f113f3e | 3015 | case SSL_CTRL_SESS_CACHE_FULL: |
acce0557 | 3016 | return ssl_tsan_load(ctx, &ctx->stats.sess_cache_full); |
0f113f3e MC |
3017 | case SSL_CTRL_MODE: |
3018 | return (ctx->mode |= larg); | |
3019 | case SSL_CTRL_CLEAR_MODE: | |
3020 | return (ctx->mode &= ~larg); | |
3021 | case SSL_CTRL_SET_MAX_SEND_FRAGMENT: | |
3022 | if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH) | |
3023 | return 0; | |
3024 | ctx->max_send_fragment = larg; | |
d102d9df | 3025 | if (ctx->max_send_fragment < ctx->split_send_fragment) |
bfb155c1 | 3026 | ctx->split_send_fragment = ctx->max_send_fragment; |
0f113f3e | 3027 | return 1; |
d102d9df | 3028 | case SSL_CTRL_SET_SPLIT_SEND_FRAGMENT: |
7ee8627f | 3029 | if ((size_t)larg > ctx->max_send_fragment || larg == 0) |
d102d9df MC |
3030 | return 0; |
3031 | ctx->split_send_fragment = larg; | |
3032 | return 1; | |
3033 | case SSL_CTRL_SET_MAX_PIPELINES: | |
3034 | if (larg < 1 || larg > SSL_MAX_PIPELINES) | |
3035 | return 0; | |
3036 | ctx->max_pipelines = larg; | |
07077415 | 3037 | return 1; |
0f113f3e MC |
3038 | case SSL_CTRL_CERT_FLAGS: |
3039 | return (ctx->cert->cert_flags |= larg); | |
3040 | case SSL_CTRL_CLEAR_CERT_FLAGS: | |
3041 | return (ctx->cert->cert_flags &= ~larg); | |
7946ab33 | 3042 | case SSL_CTRL_SET_MIN_PROTO_VERSION: |
c8feba72 BK |
3043 | return ssl_check_allowed_versions(larg, ctx->max_proto_version) |
3044 | && ssl_set_version_bound(ctx->method->version, (int)larg, | |
3045 | &ctx->min_proto_version); | |
3edabd3c CH |
3046 | case SSL_CTRL_GET_MIN_PROTO_VERSION: |
3047 | return ctx->min_proto_version; | |
7946ab33 | 3048 | case SSL_CTRL_SET_MAX_PROTO_VERSION: |
c8feba72 BK |
3049 | return ssl_check_allowed_versions(ctx->min_proto_version, larg) |
3050 | && ssl_set_version_bound(ctx->method->version, (int)larg, | |
3051 | &ctx->max_proto_version); | |
3edabd3c CH |
3052 | case SSL_CTRL_GET_MAX_PROTO_VERSION: |
3053 | return ctx->max_proto_version; | |
0f113f3e | 3054 | default: |
26a7d938 | 3055 | return ctx->method->ssl_ctx_ctrl(ctx, cmd, larg, parg); |
0f113f3e MC |
3056 | } |
3057 | } | |
3058 | ||
3059 | long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp) (void)) | |
3060 | { | |
3061 | switch (cmd) { | |
3062 | case SSL_CTRL_SET_MSG_CALLBACK: | |
3063 | ctx->msg_callback = (void (*) | |
3064 | (int write_p, int version, int content_type, | |
3065 | const void *buf, size_t len, SSL *ssl, | |
3066 | void *arg))(fp); | |
3067 | return 1; | |
3068 | ||
3069 | default: | |
26a7d938 | 3070 | return ctx->method->ssl_ctx_callback_ctrl(ctx, cmd, fp); |
0f113f3e MC |
3071 | } |
3072 | } | |
d3442bc7 | 3073 | |
ccd86b68 | 3074 | int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b) |
0f113f3e | 3075 | { |
90d9e49a DSH |
3076 | if (a->id > b->id) |
3077 | return 1; | |
3078 | if (a->id < b->id) | |
3079 | return -1; | |
3080 | return 0; | |
0f113f3e MC |
3081 | } |
3082 | ||
3083 | int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, | |
3084 | const SSL_CIPHER *const *bp) | |
3085 | { | |
90d9e49a DSH |
3086 | if ((*ap)->id > (*bp)->id) |
3087 | return 1; | |
3088 | if ((*ap)->id < (*bp)->id) | |
3089 | return -1; | |
3090 | return 0; | |
0f113f3e | 3091 | } |
d02b48c6 | 3092 | |
38b051a1 TM |
3093 | /* |
3094 | * return a STACK of the ciphers available for the SSL and in order of | |
3095 | * preference | |
3096 | */ | |
0821bcd4 | 3097 | STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s) |
0f113f3e | 3098 | { |
38b051a1 TM |
3099 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
3100 | ||
3101 | if (sc != NULL) { | |
3102 | if (sc->cipher_list != NULL) { | |
3103 | return sc->cipher_list; | |
0f113f3e | 3104 | } else if ((s->ctx != NULL) && (s->ctx->cipher_list != NULL)) { |
26a7d938 | 3105 | return s->ctx->cipher_list; |
0f113f3e MC |
3106 | } |
3107 | } | |
26a7d938 | 3108 | return NULL; |
0f113f3e MC |
3109 | } |
3110 | ||
831eef2c NM |
3111 | STACK_OF(SSL_CIPHER) *SSL_get_client_ciphers(const SSL *s) |
3112 | { | |
38b051a1 TM |
3113 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
3114 | ||
3115 | if (sc == NULL || !sc->server) | |
831eef2c | 3116 | return NULL; |
38b051a1 | 3117 | return sc->peer_ciphers; |
831eef2c NM |
3118 | } |
3119 | ||
8b8e5bed | 3120 | STACK_OF(SSL_CIPHER) *SSL_get1_supported_ciphers(SSL *s) |
0f113f3e MC |
3121 | { |
3122 | STACK_OF(SSL_CIPHER) *sk = NULL, *ciphers; | |
3123 | int i; | |
38b051a1 TM |
3124 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
3125 | ||
3126 | if (sc == NULL) | |
3127 | return NULL; | |
1d0c08b4 | 3128 | |
0f113f3e MC |
3129 | ciphers = SSL_get_ciphers(s); |
3130 | if (!ciphers) | |
3131 | return NULL; | |
38b051a1 | 3132 | if (!ssl_set_client_disabled(sc)) |
1d0c08b4 | 3133 | return NULL; |
0f113f3e MC |
3134 | for (i = 0; i < sk_SSL_CIPHER_num(ciphers); i++) { |
3135 | const SSL_CIPHER *c = sk_SSL_CIPHER_value(ciphers, i); | |
38b051a1 | 3136 | if (!ssl_cipher_disabled(sc, c, SSL_SECOP_CIPHER_SUPPORTED, 0)) { |
0f113f3e MC |
3137 | if (!sk) |
3138 | sk = sk_SSL_CIPHER_new_null(); | |
3139 | if (!sk) | |
3140 | return NULL; | |
3141 | if (!sk_SSL_CIPHER_push(sk, c)) { | |
3142 | sk_SSL_CIPHER_free(sk); | |
3143 | return NULL; | |
3144 | } | |
3145 | } | |
3146 | } | |
3147 | return sk; | |
3148 | } | |
8b8e5bed | 3149 | |
4f43d0e7 | 3150 | /** return a STACK of the ciphers available for the SSL and in order of |
d02b48c6 | 3151 | * algorithm id */ |
38b051a1 | 3152 | STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL_CONNECTION *s) |
0f113f3e MC |
3153 | { |
3154 | if (s != NULL) { | |
38b051a1 | 3155 | if (s->cipher_list_by_id != NULL) |
26a7d938 | 3156 | return s->cipher_list_by_id; |
38b051a1 TM |
3157 | else if (s->ssl.ctx != NULL |
3158 | && s->ssl.ctx->cipher_list_by_id != NULL) | |
3159 | return s->ssl.ctx->cipher_list_by_id; | |
0f113f3e | 3160 | } |
26a7d938 | 3161 | return NULL; |
0f113f3e | 3162 | } |
d02b48c6 | 3163 | |
4f43d0e7 | 3164 | /** The old interface to get the same thing as SSL_get_ciphers() */ |
0f113f3e MC |
3165 | const char *SSL_get_cipher_list(const SSL *s, int n) |
3166 | { | |
4a640fb6 | 3167 | const SSL_CIPHER *c; |
0f113f3e MC |
3168 | STACK_OF(SSL_CIPHER) *sk; |
3169 | ||
3170 | if (s == NULL) | |
26a7d938 | 3171 | return NULL; |
0f113f3e MC |
3172 | sk = SSL_get_ciphers(s); |
3173 | if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n)) | |
26a7d938 | 3174 | return NULL; |
0f113f3e MC |
3175 | c = sk_SSL_CIPHER_value(sk, n); |
3176 | if (c == NULL) | |
26a7d938 K |
3177 | return NULL; |
3178 | return c->name; | |
0f113f3e | 3179 | } |
d02b48c6 | 3180 | |
9d5ac953 KY |
3181 | /** return a STACK of the ciphers available for the SSL_CTX and in order of |
3182 | * preference */ | |
3183 | STACK_OF(SSL_CIPHER) *SSL_CTX_get_ciphers(const SSL_CTX *ctx) | |
3184 | { | |
3185 | if (ctx != NULL) | |
3186 | return ctx->cipher_list; | |
3187 | return NULL; | |
3188 | } | |
3189 | ||
3c83c5ba SR |
3190 | /* |
3191 | * Distinguish between ciphers controlled by set_ciphersuite() and | |
3192 | * set_cipher_list() when counting. | |
3193 | */ | |
3194 | static int cipher_list_tls12_num(STACK_OF(SSL_CIPHER) *sk) | |
3195 | { | |
3196 | int i, num = 0; | |
3197 | const SSL_CIPHER *c; | |
3198 | ||
3199 | if (sk == NULL) | |
3200 | return 0; | |
3201 | for (i = 0; i < sk_SSL_CIPHER_num(sk); ++i) { | |
3202 | c = sk_SSL_CIPHER_value(sk, i); | |
3203 | if (c->min_tls >= TLS1_3_VERSION) | |
3204 | continue; | |
3205 | num++; | |
3206 | } | |
3207 | return num; | |
3208 | } | |
3209 | ||
25f923dd | 3210 | /** specify the ciphers to be used by default by the SSL_CTX */ |
018e57c7 | 3211 | int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str) |
0f113f3e MC |
3212 | { |
3213 | STACK_OF(SSL_CIPHER) *sk; | |
3214 | ||
a68eee67 | 3215 | sk = ssl_create_cipher_list(ctx, ctx->tls13_ciphersuites, |
f865b081 MC |
3216 | &ctx->cipher_list, &ctx->cipher_list_by_id, str, |
3217 | ctx->cert); | |
0f113f3e MC |
3218 | /* |
3219 | * ssl_create_cipher_list may return an empty stack if it was unable to | |
3220 | * find a cipher matching the given rule string (for example if the rule | |
3221 | * string specifies a cipher which has been disabled). This is not an | |
3222 | * error as far as ssl_create_cipher_list is concerned, and hence | |
3223 | * ctx->cipher_list and ctx->cipher_list_by_id has been updated. | |
3224 | */ | |
3225 | if (sk == NULL) | |
3226 | return 0; | |
3c83c5ba | 3227 | else if (cipher_list_tls12_num(sk) == 0) { |
6849b73c | 3228 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_CIPHER_MATCH); |
0f113f3e MC |
3229 | return 0; |
3230 | } | |
3231 | return 1; | |
3232 | } | |
d02b48c6 | 3233 | |
4f43d0e7 | 3234 | /** specify the ciphers to be used by the SSL */ |
0f113f3e MC |
3235 | int SSL_set_cipher_list(SSL *s, const char *str) |
3236 | { | |
3237 | STACK_OF(SSL_CIPHER) *sk; | |
38b051a1 | 3238 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
0f113f3e | 3239 | |
38b051a1 TM |
3240 | if (sc == NULL) |
3241 | return 0; | |
3242 | ||
3243 | sk = ssl_create_cipher_list(s->ctx, sc->tls13_ciphersuites, | |
3244 | &sc->cipher_list, &sc->cipher_list_by_id, str, | |
3245 | sc->cert); | |
0f113f3e MC |
3246 | /* see comment in SSL_CTX_set_cipher_list */ |
3247 | if (sk == NULL) | |
3248 | return 0; | |
3c83c5ba | 3249 | else if (cipher_list_tls12_num(sk) == 0) { |
6849b73c | 3250 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_CIPHER_MATCH); |
0f113f3e MC |
3251 | return 0; |
3252 | } | |
3253 | return 1; | |
3254 | } | |
d02b48c6 | 3255 | |
a216df59 | 3256 | char *SSL_get_shared_ciphers(const SSL *s, char *buf, int size) |
0f113f3e MC |
3257 | { |
3258 | char *p; | |
a216df59 | 3259 | STACK_OF(SSL_CIPHER) *clntsk, *srvrsk; |
4a640fb6 | 3260 | const SSL_CIPHER *c; |
0f113f3e | 3261 | int i; |
38b051a1 TM |
3262 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
3263 | ||
3264 | if (sc == NULL) | |
3265 | return NULL; | |
0f113f3e | 3266 | |
38b051a1 TM |
3267 | if (!sc->server |
3268 | || sc->peer_ciphers == NULL | |
a216df59 | 3269 | || size < 2) |
26a7d938 | 3270 | return NULL; |
0f113f3e MC |
3271 | |
3272 | p = buf; | |
38b051a1 | 3273 | clntsk = sc->peer_ciphers; |
a216df59 MC |
3274 | srvrsk = SSL_get_ciphers(s); |
3275 | if (clntsk == NULL || srvrsk == NULL) | |
3276 | return NULL; | |
0f113f3e | 3277 | |
a216df59 | 3278 | if (sk_SSL_CIPHER_num(clntsk) == 0 || sk_SSL_CIPHER_num(srvrsk) == 0) |
0f113f3e MC |
3279 | return NULL; |
3280 | ||
a216df59 | 3281 | for (i = 0; i < sk_SSL_CIPHER_num(clntsk); i++) { |
0f113f3e MC |
3282 | int n; |
3283 | ||
a216df59 MC |
3284 | c = sk_SSL_CIPHER_value(clntsk, i); |
3285 | if (sk_SSL_CIPHER_find(srvrsk, c) < 0) | |
3286 | continue; | |
3287 | ||
0f113f3e | 3288 | n = strlen(c->name); |
a216df59 | 3289 | if (n + 1 > size) { |
0f113f3e MC |
3290 | if (p != buf) |
3291 | --p; | |
3292 | *p = '\0'; | |
3293 | return buf; | |
3294 | } | |
4cacc9d5 | 3295 | strcpy(p, c->name); |
0f113f3e MC |
3296 | p += n; |
3297 | *(p++) = ':'; | |
a216df59 | 3298 | size -= n + 1; |
0f113f3e MC |
3299 | } |
3300 | p[-1] = '\0'; | |
26a7d938 | 3301 | return buf; |
0f113f3e MC |
3302 | } |
3303 | ||
7955c1f1 MC |
3304 | /** |
3305 | * Return the requested servername (SNI) value. Note that the behaviour varies | |
3306 | * depending on: | |
3307 | * - whether this is called by the client or the server, | |
3308 | * - if we are before or during/after the handshake, | |
3309 | * - if a resumption or normal handshake is being attempted/has occurred | |
3310 | * - whether we have negotiated TLSv1.2 (or below) or TLSv1.3 | |
38b051a1 | 3311 | * |
7955c1f1 | 3312 | * Note that only the host_name type is defined (RFC 3546). |
ed3883d2 | 3313 | */ |
f1fd4544 | 3314 | const char *SSL_get_servername(const SSL *s, const int type) |
0f113f3e | 3315 | { |
38b051a1 TM |
3316 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
3317 | int server; | |
3318 | ||
3319 | if (sc == NULL) | |
3320 | return NULL; | |
3321 | ||
7955c1f1 MC |
3322 | /* |
3323 | * If we don't know if we are the client or the server yet then we assume | |
3324 | * client. | |
3325 | */ | |
38b051a1 TM |
3326 | server = sc->handshake_func == NULL ? 0 : sc->server; |
3327 | ||
0f113f3e MC |
3328 | if (type != TLSEXT_NAMETYPE_host_name) |
3329 | return NULL; | |
a13c20f6 | 3330 | |
7955c1f1 MC |
3331 | if (server) { |
3332 | /** | |
3333 | * Server side | |
3334 | * In TLSv1.3 on the server SNI is not associated with the session | |
3335 | * but in TLSv1.2 or below it is. | |
3336 | * | |
3337 | * Before the handshake: | |
3338 | * - return NULL | |
3339 | * | |
3340 | * During/after the handshake (TLSv1.2 or below resumption occurred): | |
3341 | * - If a servername was accepted by the server in the original | |
3342 | * handshake then it will return that servername, or NULL otherwise. | |
3343 | * | |
3344 | * During/after the handshake (TLSv1.2 or below resumption did not occur): | |
3345 | * - The function will return the servername requested by the client in | |
3346 | * this handshake or NULL if none was requested. | |
3347 | */ | |
38b051a1 TM |
3348 | if (sc->hit && !SSL_CONNECTION_IS_TLS13(sc)) |
3349 | return sc->session->ext.hostname; | |
7955c1f1 MC |
3350 | } else { |
3351 | /** | |
3352 | * Client side | |
3353 | * | |
3354 | * Before the handshake: | |
3355 | * - If a servername has been set via a call to | |
3356 | * SSL_set_tlsext_host_name() then it will return that servername | |
3357 | * - If one has not been set, but a TLSv1.2 resumption is being | |
3358 | * attempted and the session from the original handshake had a | |
3359 | * servername accepted by the server then it will return that | |
3360 | * servername | |
3361 | * - Otherwise it returns NULL | |
3362 | * | |
3363 | * During/after the handshake (TLSv1.2 or below resumption occurred): | |
9f7505ab | 3364 | * - If the session from the original handshake had a servername accepted |
7955c1f1 MC |
3365 | * by the server then it will return that servername. |
3366 | * - Otherwise it returns the servername set via | |
3367 | * SSL_set_tlsext_host_name() (or NULL if it was not called). | |
3368 | * | |
3369 | * During/after the handshake (TLSv1.2 or below resumption did not occur): | |
3370 | * - It will return the servername set via SSL_set_tlsext_host_name() | |
3371 | * (or NULL if it was not called). | |
3372 | */ | |
3373 | if (SSL_in_before(s)) { | |
38b051a1 TM |
3374 | if (sc->ext.hostname == NULL |
3375 | && sc->session != NULL | |
3376 | && sc->session->ssl_version != TLS1_3_VERSION) | |
3377 | return sc->session->ext.hostname; | |
7955c1f1 | 3378 | } else { |
38b051a1 TM |
3379 | if (!SSL_CONNECTION_IS_TLS13(sc) && sc->hit |
3380 | && sc->session->ext.hostname != NULL) | |
3381 | return sc->session->ext.hostname; | |
7955c1f1 MC |
3382 | } |
3383 | } | |
3384 | ||
38b051a1 | 3385 | return sc->ext.hostname; |
0f113f3e | 3386 | } |
ed3883d2 | 3387 | |
f1fd4544 | 3388 | int SSL_get_servername_type(const SSL *s) |
0f113f3e | 3389 | { |
7955c1f1 | 3390 | if (SSL_get_servername(s, TLSEXT_NAMETYPE_host_name) != NULL) |
0f113f3e MC |
3391 | return TLSEXT_NAMETYPE_host_name; |
3392 | return -1; | |
3393 | } | |
ee2ffc27 | 3394 | |
0f113f3e MC |
3395 | /* |
3396 | * SSL_select_next_proto implements the standard protocol selection. It is | |
ee2ffc27 | 3397 | * expected that this function is called from the callback set by |
0f113f3e MC |
3398 | * SSL_CTX_set_next_proto_select_cb. The protocol data is assumed to be a |
3399 | * vector of 8-bit, length prefixed byte strings. The length byte itself is | |
3400 | * not included in the length. A byte string of length 0 is invalid. No byte | |
3401 | * string may be truncated. The current, but experimental algorithm for | |
3402 | * selecting the protocol is: 1) If the server doesn't support NPN then this | |
3403 | * is indicated to the callback. In this case, the client application has to | |
3404 | * abort the connection or have a default application level protocol. 2) If | |
3405 | * the server supports NPN, but advertises an empty list then the client | |
f430ba31 | 3406 | * selects the first protocol in its list, but indicates via the API that this |
0f113f3e MC |
3407 | * fallback case was enacted. 3) Otherwise, the client finds the first |
3408 | * protocol in the server's list that it supports and selects this protocol. | |
3409 | * This is because it's assumed that the server has better information about | |
3410 | * which protocol a client should use. 4) If the client doesn't support any | |
3411 | * of the server's advertised protocols, then this is treated the same as | |
3412 | * case 2. It returns either OPENSSL_NPN_NEGOTIATED if a common protocol was | |
3413 | * found, or OPENSSL_NPN_NO_OVERLAP if the fallback case was reached. | |
ee2ffc27 | 3414 | */ |
0f113f3e MC |
3415 | int SSL_select_next_proto(unsigned char **out, unsigned char *outlen, |
3416 | const unsigned char *server, | |
3417 | unsigned int server_len, | |
a230b26e | 3418 | const unsigned char *client, unsigned int client_len) |
0f113f3e MC |
3419 | { |
3420 | unsigned int i, j; | |
3421 | const unsigned char *result; | |
3422 | int status = OPENSSL_NPN_UNSUPPORTED; | |
3423 | ||
3424 | /* | |
3425 | * For each protocol in server preference order, see if we support it. | |
3426 | */ | |
3427 | for (i = 0; i < server_len;) { | |
3428 | for (j = 0; j < client_len;) { | |
3429 | if (server[i] == client[j] && | |
3430 | memcmp(&server[i + 1], &client[j + 1], server[i]) == 0) { | |
3431 | /* We found a match */ | |
3432 | result = &server[i]; | |
3433 | status = OPENSSL_NPN_NEGOTIATED; | |
3434 | goto found; | |
3435 | } | |
3436 | j += client[j]; | |
3437 | j++; | |
3438 | } | |
3439 | i += server[i]; | |
3440 | i++; | |
3441 | } | |
3442 | ||
3443 | /* There's no overlap between our protocols and the server's list. */ | |
3444 | result = client; | |
3445 | status = OPENSSL_NPN_NO_OVERLAP; | |
3446 | ||
3447 | found: | |
3448 | *out = (unsigned char *)result + 1; | |
3449 | *outlen = result[0]; | |
3450 | return status; | |
3451 | } | |
ee2ffc27 | 3452 | |
e481f9b9 | 3453 | #ifndef OPENSSL_NO_NEXTPROTONEG |
0f113f3e MC |
3454 | /* |
3455 | * SSL_get0_next_proto_negotiated sets *data and *len to point to the | |
3456 | * client's requested protocol for this connection and returns 0. If the | |
3457 | * client didn't request any protocol, then *data is set to NULL. Note that | |
3458 | * the client can request any protocol it chooses. The value returned from | |
3459 | * this function need not be a member of the list of supported protocols | |
ee2ffc27 BL |
3460 | * provided by the callback. |
3461 | */ | |
0f113f3e MC |
3462 | void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data, |
3463 | unsigned *len) | |
3464 | { | |
38b051a1 TM |
3465 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
3466 | ||
3467 | if (sc == NULL) { | |
3468 | /* We have no other way to indicate error */ | |
3469 | *data = NULL; | |
3470 | *len = 0; | |
3471 | return; | |
3472 | } | |
3473 | ||
3474 | *data = sc->ext.npn; | |
12a765a5 | 3475 | if (*data == NULL) { |
0f113f3e MC |
3476 | *len = 0; |
3477 | } else { | |
38b051a1 | 3478 | *len = (unsigned int)sc->ext.npn_len; |
0f113f3e MC |
3479 | } |
3480 | } | |
3481 | ||
3482 | /* | |
aff8c126 | 3483 | * SSL_CTX_set_npn_advertised_cb sets a callback that is called when |
0f113f3e MC |
3484 | * a TLS server needs a list of supported protocols for Next Protocol |
3485 | * Negotiation. The returned list must be in wire format. The list is | |
3486 | * returned by setting |out| to point to it and |outlen| to its length. This | |
3487 | * memory will not be modified, but one should assume that the SSL* keeps a | |
3488 | * reference to it. The callback should return SSL_TLSEXT_ERR_OK if it | |
3489 | * wishes to advertise. Otherwise, no such extension will be included in the | |
3490 | * ServerHello. | |
3491 | */ | |
aff8c126 | 3492 | void SSL_CTX_set_npn_advertised_cb(SSL_CTX *ctx, |
8cbfcc70 | 3493 | SSL_CTX_npn_advertised_cb_func cb, |
aff8c126 | 3494 | void *arg) |
0f113f3e | 3495 | { |
aff8c126 RS |
3496 | ctx->ext.npn_advertised_cb = cb; |
3497 | ctx->ext.npn_advertised_cb_arg = arg; | |
0f113f3e MC |
3498 | } |
3499 | ||
3500 | /* | |
3501 | * SSL_CTX_set_next_proto_select_cb sets a callback that is called when a | |
ee2ffc27 BL |
3502 | * client needs to select a protocol from the server's provided list. |out| |
3503 | * must be set to point to the selected protocol (which may be within |in|). | |
0f113f3e MC |
3504 | * The length of the protocol name must be written into |outlen|. The |
3505 | * server's advertised protocols are provided in |in| and |inlen|. The | |
3506 | * callback can assume that |in| is syntactically valid. The client must | |
3507 | * select a protocol. It is fatal to the connection if this callback returns | |
3508 | * a value other than SSL_TLSEXT_ERR_OK. | |
ee2ffc27 | 3509 | */ |
aff8c126 | 3510 | void SSL_CTX_set_npn_select_cb(SSL_CTX *ctx, |
8cbfcc70 | 3511 | SSL_CTX_npn_select_cb_func cb, |
aff8c126 | 3512 | void *arg) |
0f113f3e | 3513 | { |
aff8c126 RS |
3514 | ctx->ext.npn_select_cb = cb; |
3515 | ctx->ext.npn_select_cb_arg = arg; | |
0f113f3e | 3516 | } |
e481f9b9 | 3517 | #endif |
a398f821 | 3518 | |
feba11cf TS |
3519 | static int alpn_value_ok(const unsigned char *protos, unsigned int protos_len) |
3520 | { | |
3521 | unsigned int idx; | |
3522 | ||
3523 | if (protos_len < 2 || protos == NULL) | |
3524 | return 0; | |
3525 | ||
3526 | for (idx = 0; idx < protos_len; idx += protos[idx] + 1) { | |
3527 | if (protos[idx] == 0) | |
3528 | return 0; | |
3529 | } | |
3530 | return idx == protos_len; | |
3531 | } | |
0f113f3e MC |
3532 | /* |
3533 | * SSL_CTX_set_alpn_protos sets the ALPN protocol list on |ctx| to |protos|. | |
6f017a8f | 3534 | * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit |
0f113f3e MC |
3535 | * length-prefixed strings). Returns 0 on success. |
3536 | */ | |
3537 | int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char *protos, | |
817cd0d5 | 3538 | unsigned int protos_len) |
0f113f3e | 3539 | { |
feba11cf TS |
3540 | unsigned char *alpn; |
3541 | ||
3542 | if (protos_len == 0 || protos == NULL) { | |
3543 | OPENSSL_free(ctx->ext.alpn); | |
3544 | ctx->ext.alpn = NULL; | |
39a14059 | 3545 | ctx->ext.alpn_len = 0; |
feba11cf TS |
3546 | return 0; |
3547 | } | |
3548 | /* Not valid per RFC */ | |
3549 | if (!alpn_value_ok(protos, protos_len)) | |
3550 | return 1; | |
3551 | ||
3552 | alpn = OPENSSL_memdup(protos, protos_len); | |
e077455e | 3553 | if (alpn == NULL) |
0f113f3e | 3554 | return 1; |
feba11cf TS |
3555 | OPENSSL_free(ctx->ext.alpn); |
3556 | ctx->ext.alpn = alpn; | |
aff8c126 | 3557 | ctx->ext.alpn_len = protos_len; |
0f113f3e MC |
3558 | |
3559 | return 0; | |
3560 | } | |
3561 | ||
3562 | /* | |
3563 | * SSL_set_alpn_protos sets the ALPN protocol list on |ssl| to |protos|. | |
6f017a8f | 3564 | * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit |
0f113f3e MC |
3565 | * length-prefixed strings). Returns 0 on success. |
3566 | */ | |
3567 | int SSL_set_alpn_protos(SSL *ssl, const unsigned char *protos, | |
817cd0d5 | 3568 | unsigned int protos_len) |
0f113f3e | 3569 | { |
feba11cf | 3570 | unsigned char *alpn; |
38b051a1 TM |
3571 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
3572 | ||
3573 | if (sc == NULL) | |
3574 | return 1; | |
feba11cf TS |
3575 | |
3576 | if (protos_len == 0 || protos == NULL) { | |
38b051a1 TM |
3577 | OPENSSL_free(sc->ext.alpn); |
3578 | sc->ext.alpn = NULL; | |
3579 | sc->ext.alpn_len = 0; | |
feba11cf TS |
3580 | return 0; |
3581 | } | |
3582 | /* Not valid per RFC */ | |
3583 | if (!alpn_value_ok(protos, protos_len)) | |
3584 | return 1; | |
3585 | ||
3586 | alpn = OPENSSL_memdup(protos, protos_len); | |
e077455e | 3587 | if (alpn == NULL) |
0f113f3e | 3588 | return 1; |
38b051a1 TM |
3589 | OPENSSL_free(sc->ext.alpn); |
3590 | sc->ext.alpn = alpn; | |
3591 | sc->ext.alpn_len = protos_len; | |
0f113f3e MC |
3592 | |
3593 | return 0; | |
3594 | } | |
3595 | ||
3596 | /* | |
3597 | * SSL_CTX_set_alpn_select_cb sets a callback function on |ctx| that is | |
3598 | * called during ClientHello processing in order to select an ALPN protocol | |
3599 | * from the client's list of offered protocols. | |
3600 | */ | |
3601 | void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx, | |
8cbfcc70 RS |
3602 | SSL_CTX_alpn_select_cb_func cb, |
3603 | void *arg) | |
0f113f3e | 3604 | { |
aff8c126 RS |
3605 | ctx->ext.alpn_select_cb = cb; |
3606 | ctx->ext.alpn_select_cb_arg = arg; | |
0f113f3e MC |
3607 | } |
3608 | ||
3609 | /* | |
69687aa8 F |
3610 | * SSL_get0_alpn_selected gets the selected ALPN protocol (if any) from |ssl|. |
3611 | * On return it sets |*data| to point to |*len| bytes of protocol name | |
0f113f3e MC |
3612 | * (not including the leading length-prefix byte). If the server didn't |
3613 | * respond with a negotiated protocol then |*len| will be zero. | |
3614 | */ | |
6f017a8f | 3615 | void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data, |
817cd0d5 | 3616 | unsigned int *len) |
0f113f3e | 3617 | { |
38b051a1 TM |
3618 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl); |
3619 | ||
3620 | if (sc == NULL) { | |
3621 | /* We have no other way to indicate error */ | |
3622 | *data = NULL; | |
3623 | *len = 0; | |
3624 | return; | |
3625 | } | |
3626 | ||
3627 | *data = sc->s3.alpn_selected; | |
0f113f3e MC |
3628 | if (*data == NULL) |
3629 | *len = 0; | |
3630 | else | |
38b051a1 | 3631 | *len = (unsigned int)sc->s3.alpn_selected_len; |
0f113f3e MC |
3632 | } |
3633 | ||
74b4b494 | 3634 | int SSL_export_keying_material(SSL *s, unsigned char *out, size_t olen, |
0f113f3e | 3635 | const char *label, size_t llen, |
23cec1f4 | 3636 | const unsigned char *context, size_t contextlen, |
0f113f3e MC |
3637 | int use_context) |
3638 | { | |
38b051a1 TM |
3639 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
3640 | ||
3641 | if (sc == NULL) | |
3642 | return -1; | |
3643 | ||
3644 | if (sc->session == NULL | |
3645 | || (sc->version < TLS1_VERSION && sc->version != DTLS1_BAD_VER)) | |
0f113f3e | 3646 | return -1; |
e0af0405 | 3647 | |
38b051a1 | 3648 | return s->method->ssl3_enc->export_keying_material(sc, out, olen, label, |
23cec1f4 MC |
3649 | llen, context, |
3650 | contextlen, use_context); | |
0f113f3e | 3651 | } |
e0af0405 | 3652 | |
b38ede80 TT |
3653 | int SSL_export_keying_material_early(SSL *s, unsigned char *out, size_t olen, |
3654 | const char *label, size_t llen, | |
3655 | const unsigned char *context, | |
3656 | size_t contextlen) | |
3657 | { | |
38b051a1 TM |
3658 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
3659 | ||
3660 | if (sc == NULL) | |
3661 | return -1; | |
3662 | ||
3663 | if (sc->version != TLS1_3_VERSION) | |
b38ede80 TT |
3664 | return 0; |
3665 | ||
38b051a1 | 3666 | return tls13_export_keying_material_early(sc, out, olen, label, llen, |
b38ede80 TT |
3667 | context, contextlen); |
3668 | } | |
3669 | ||
3c1d6bbc | 3670 | static unsigned long ssl_session_hash(const SSL_SESSION *a) |
0f113f3e | 3671 | { |
bd5d27c1 | 3672 | const unsigned char *session_id = a->session_id; |
0f113f3e | 3673 | unsigned long l; |
bd5d27c1 DB |
3674 | unsigned char tmp_storage[4]; |
3675 | ||
3676 | if (a->session_id_length < sizeof(tmp_storage)) { | |
3677 | memset(tmp_storage, 0, sizeof(tmp_storage)); | |
3678 | memcpy(tmp_storage, a->session_id, a->session_id_length); | |
3679 | session_id = tmp_storage; | |
3680 | } | |
0f113f3e MC |
3681 | |
3682 | l = (unsigned long) | |
bd5d27c1 DB |
3683 | ((unsigned long)session_id[0]) | |
3684 | ((unsigned long)session_id[1] << 8L) | | |
3685 | ((unsigned long)session_id[2] << 16L) | | |
3686 | ((unsigned long)session_id[3] << 24L); | |
26a7d938 | 3687 | return l; |
0f113f3e MC |
3688 | } |
3689 | ||
3690 | /* | |
3691 | * NB: If this function (or indeed the hash function which uses a sort of | |
dc644fe2 | 3692 | * coarser function than this one) is changed, ensure |
0f113f3e MC |
3693 | * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on |
3694 | * being able to construct an SSL_SESSION that will collide with any existing | |
3695 | * session with a matching session ID. | |
3696 | */ | |
3697 | static int ssl_session_cmp(const SSL_SESSION *a, const SSL_SESSION *b) | |
3698 | { | |
3699 | if (a->ssl_version != b->ssl_version) | |
208fb891 | 3700 | return 1; |
0f113f3e | 3701 | if (a->session_id_length != b->session_id_length) |
208fb891 | 3702 | return 1; |
26a7d938 | 3703 | return memcmp(a->session_id, b->session_id, a->session_id_length); |
0f113f3e MC |
3704 | } |
3705 | ||
3706 | /* | |
3707 | * These wrapper functions should remain rather than redeclaring | |
d0fa136c | 3708 | * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each |
0f113f3e MC |
3709 | * variable. The reason is that the functions aren't static, they're exposed |
3710 | * via ssl.h. | |
3711 | */ | |
97b17195 | 3712 | |
b4250010 | 3713 | SSL_CTX *SSL_CTX_new_ex(OSSL_LIB_CTX *libctx, const char *propq, |
d8652be0 | 3714 | const SSL_METHOD *meth) |
0f113f3e MC |
3715 | { |
3716 | SSL_CTX *ret = NULL; | |
b67cb09f TS |
3717 | #ifndef OPENSSL_NO_COMP_ALG |
3718 | int i; | |
3719 | #endif | |
0f113f3e MC |
3720 | |
3721 | if (meth == NULL) { | |
6849b73c | 3722 | ERR_raise(ERR_LIB_SSL, SSL_R_NULL_SSL_METHOD_PASSED); |
26a7d938 | 3723 | return NULL; |
0f113f3e MC |
3724 | } |
3725 | ||
0fc32b07 MC |
3726 | if (!OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, NULL)) |
3727 | return NULL; | |
7fa792d1 | 3728 | |
0f113f3e | 3729 | if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) { |
6849b73c | 3730 | ERR_raise(ERR_LIB_SSL, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS); |
0f113f3e MC |
3731 | goto err; |
3732 | } | |
b51bce94 | 3733 | ret = OPENSSL_zalloc(sizeof(*ret)); |
0f113f3e MC |
3734 | if (ret == NULL) |
3735 | goto err; | |
3736 | ||
045a8930 F |
3737 | /* Init the reference counting before any call to SSL_CTX_free */ |
3738 | ret->references = 1; | |
3739 | ret->lock = CRYPTO_THREAD_lock_new(); | |
3740 | if (ret->lock == NULL) { | |
e077455e RL |
3741 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
3742 | goto err; | |
045a8930 F |
3743 | } |
3744 | ||
acce0557 P |
3745 | #ifdef TSAN_REQUIRES_LOCKING |
3746 | ret->tsan_lock = CRYPTO_THREAD_lock_new(); | |
3747 | if (ret->tsan_lock == NULL) { | |
e077455e | 3748 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
acce0557 P |
3749 | goto err; |
3750 | } | |
3751 | #endif | |
3752 | ||
ba18627e MC |
3753 | ret->libctx = libctx; |
3754 | if (propq != NULL) { | |
3755 | ret->propq = OPENSSL_strdup(propq); | |
3756 | if (ret->propq == NULL) | |
3757 | goto err; | |
3758 | } | |
3759 | ||
0f113f3e | 3760 | ret->method = meth; |
7946ab33 KR |
3761 | ret->min_proto_version = 0; |
3762 | ret->max_proto_version = 0; | |
693cf80c | 3763 | ret->mode = SSL_MODE_AUTO_RETRY; |
0f113f3e MC |
3764 | ret->session_cache_mode = SSL_SESS_CACHE_SERVER; |
3765 | ret->session_cache_size = SSL_SESSION_CACHE_MAX_SIZE_DEFAULT; | |
64b25758 | 3766 | /* We take the system default. */ |
0f113f3e | 3767 | ret->session_timeout = meth->get_timeout(); |
0f113f3e | 3768 | ret->max_cert_list = SSL_MAX_CERT_LIST_DEFAULT; |
0f113f3e | 3769 | ret->verify_mode = SSL_VERIFY_NONE; |
e077455e RL |
3770 | if ((ret->cert = ssl_cert_new()) == NULL) { |
3771 | ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB); | |
0f113f3e | 3772 | goto err; |
e077455e | 3773 | } |
0f113f3e | 3774 | |
62d0577e | 3775 | ret->sessions = lh_SSL_SESSION_new(ssl_session_hash, ssl_session_cmp); |
e077455e RL |
3776 | if (ret->sessions == NULL) { |
3777 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); | |
0f113f3e | 3778 | goto err; |
e077455e | 3779 | } |
0f113f3e | 3780 | ret->cert_store = X509_STORE_new(); |
e077455e RL |
3781 | if (ret->cert_store == NULL) { |
3782 | ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB); | |
0f113f3e | 3783 | goto err; |
e077455e | 3784 | } |
ed29e82a | 3785 | #ifndef OPENSSL_NO_CT |
d8652be0 | 3786 | ret->ctlog_store = CTLOG_STORE_new_ex(libctx, propq); |
e077455e RL |
3787 | if (ret->ctlog_store == NULL) { |
3788 | ERR_raise(ERR_LIB_SSL, ERR_R_CT_LIB); | |
ed29e82a | 3789 | goto err; |
e077455e | 3790 | } |
ed29e82a | 3791 | #endif |
f865b081 | 3792 | |
c8f6c28a MC |
3793 | /* initialize cipher/digest methods table */ |
3794 | if (!ssl_load_ciphers(ret)) | |
e077455e | 3795 | goto err; |
263ff2c9 MC |
3796 | /* initialise sig algs */ |
3797 | if (!ssl_setup_sig_algs(ret)) | |
e077455e | 3798 | goto err; |
c8f6c28a | 3799 | |
9d2d857f | 3800 | if (!ssl_load_groups(ret)) |
e077455e | 3801 | goto err; |
9d2d857f | 3802 | |
e077455e RL |
3803 | if (!SSL_CTX_set_ciphersuites(ret, OSSL_default_ciphersuites())) { |
3804 | ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB); | |
f865b081 | 3805 | goto err; |
e077455e | 3806 | } |
f865b081 | 3807 | |
a68eee67 | 3808 | if (!ssl_create_cipher_list(ret, |
f865b081 | 3809 | ret->tls13_ciphersuites, |
a230b26e | 3810 | &ret->cipher_list, &ret->cipher_list_by_id, |
5d120511 | 3811 | OSSL_default_cipher_list(), ret->cert) |
a230b26e | 3812 | || sk_SSL_CIPHER_num(ret->cipher_list) <= 0) { |
6849b73c | 3813 | ERR_raise(ERR_LIB_SSL, SSL_R_LIBRARY_HAS_NO_CIPHERS); |
e077455e | 3814 | goto err; |
0f113f3e MC |
3815 | } |
3816 | ||
3817 | ret->param = X509_VERIFY_PARAM_new(); | |
e077455e RL |
3818 | if (ret->param == NULL) { |
3819 | ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB); | |
0f113f3e | 3820 | goto err; |
e077455e | 3821 | } |
0f113f3e | 3822 | |
c8f6c28a MC |
3823 | /* |
3824 | * If these aren't available from the provider we'll get NULL returns. | |
3825 | * That's fine but will cause errors later if SSLv3 is negotiated | |
3826 | */ | |
3827 | ret->md5 = ssl_evp_md_fetch(libctx, NID_md5, propq); | |
3828 | ret->sha1 = ssl_evp_md_fetch(libctx, NID_sha1, propq); | |
0f113f3e | 3829 | |
e077455e RL |
3830 | if ((ret->ca_names = sk_X509_NAME_new_null()) == NULL) { |
3831 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); | |
0f113f3e | 3832 | goto err; |
e077455e | 3833 | } |
0f113f3e | 3834 | |
e077455e RL |
3835 | if ((ret->client_ca_names = sk_X509_NAME_new_null()) == NULL) { |
3836 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); | |
98732979 | 3837 | goto err; |
e077455e | 3838 | } |
98732979 | 3839 | |
e077455e RL |
3840 | if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data)) { |
3841 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); | |
25a807bc | 3842 | goto err; |
e077455e | 3843 | } |
0f113f3e | 3844 | |
4bfb96f2 TS |
3845 | if ((ret->ext.secure = OPENSSL_secure_zalloc(sizeof(*ret->ext.secure))) == NULL) |
3846 | goto err; | |
3847 | ||
0f113f3e MC |
3848 | /* No compression for DTLS */ |
3849 | if (!(meth->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS)) | |
3850 | ret->comp_methods = SSL_COMP_get_compression_methods(); | |
3851 | ||
3852 | ret->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; | |
d102d9df | 3853 | ret->split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; |
566dda07 | 3854 | |
4e2e1ec9 | 3855 | /* Setup RFC5077 ticket keys */ |
8f21260b | 3856 | if ((RAND_bytes_ex(libctx, ret->ext.tick_key_name, |
0f8815aa | 3857 | sizeof(ret->ext.tick_key_name), 0) <= 0) |
8f21260b | 3858 | || (RAND_priv_bytes_ex(libctx, ret->ext.secure->tick_hmac_key, |
0f8815aa | 3859 | sizeof(ret->ext.secure->tick_hmac_key), 0) <= 0) |
8f21260b | 3860 | || (RAND_priv_bytes_ex(libctx, ret->ext.secure->tick_aes_key, |
0f8815aa | 3861 | sizeof(ret->ext.secure->tick_aes_key), 0) <= 0)) |
0f113f3e | 3862 | ret->options |= SSL_OP_NO_TICKET; |
6434abbf | 3863 | |
8f21260b | 3864 | if (RAND_priv_bytes_ex(libctx, ret->ext.cookie_hmac_key, |
e077455e RL |
3865 | sizeof(ret->ext.cookie_hmac_key), 0) <= 0) { |
3866 | ERR_raise(ERR_LIB_SSL, ERR_R_RAND_LIB); | |
43054d3d | 3867 | goto err; |
e077455e | 3868 | } |
43054d3d | 3869 | |
edc032b5 | 3870 | #ifndef OPENSSL_NO_SRP |
e077455e RL |
3871 | if (!ssl_ctx_srp_ctx_init_intern(ret)) { |
3872 | ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB); | |
69f68237 | 3873 | goto err; |
e077455e | 3874 | } |
edc032b5 | 3875 | #endif |
4db9677b | 3876 | #ifndef OPENSSL_NO_ENGINE |
0f113f3e MC |
3877 | # ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO |
3878 | # define eng_strx(x) #x | |
3879 | # define eng_str(x) eng_strx(x) | |
3880 | /* Use specific client engine automatically... ignore errors */ | |
3881 | { | |
3882 | ENGINE *eng; | |
3883 | eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO)); | |
3884 | if (!eng) { | |
3885 | ERR_clear_error(); | |
3886 | ENGINE_load_builtin_engines(); | |
3887 | eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO)); | |
3888 | } | |
3889 | if (!eng || !SSL_CTX_set_client_cert_engine(ret, eng)) | |
3890 | ERR_clear_error(); | |
3891 | } | |
3892 | # endif | |
b67cb09f TS |
3893 | #endif |
3894 | ||
3895 | #ifndef OPENSSL_NO_COMP_ALG | |
3896 | /* | |
3897 | * Set the default order: brotli, zlib, zstd | |
3898 | * Including only those enabled algorithms | |
3899 | */ | |
3900 | memset(ret->cert_comp_prefs, 0, sizeof(ret->cert_comp_prefs)); | |
3901 | i = 0; | |
3902 | if (ossl_comp_has_alg(TLSEXT_comp_cert_brotli)) | |
3903 | ret->cert_comp_prefs[i++] = TLSEXT_comp_cert_brotli; | |
3904 | if (ossl_comp_has_alg(TLSEXT_comp_cert_zlib)) | |
3905 | ret->cert_comp_prefs[i++] = TLSEXT_comp_cert_zlib; | |
3906 | if (ossl_comp_has_alg(TLSEXT_comp_cert_zstd)) | |
3907 | ret->cert_comp_prefs[i++] = TLSEXT_comp_cert_zstd; | |
0f113f3e | 3908 | #endif |
dc5744cb EK |
3909 | /* |
3910 | * Disable compression by default to prevent CRIME. Applications can | |
3911 | * re-enable compression by configuring | |
3912 | * SSL_CTX_clear_options(ctx, SSL_OP_NO_COMPRESSION); | |
a5816a5a MC |
3913 | * or by using the SSL_CONF library. Similarly we also enable TLSv1.3 |
3914 | * middlebox compatibility by default. This may be disabled by default in | |
3915 | * a later OpenSSL version. | |
dc5744cb | 3916 | */ |
a5816a5a | 3917 | ret->options |= SSL_OP_NO_COMPRESSION | SSL_OP_ENABLE_MIDDLEBOX_COMPAT; |
0f113f3e | 3918 | |
aff8c126 | 3919 | ret->ext.status_type = TLSEXT_STATUSTYPE_nothing; |
ba261f71 | 3920 | |
bfa9a9af | 3921 | /* |
c39e4048 BK |
3922 | * We cannot usefully set a default max_early_data here (which gets |
3923 | * propagated in SSL_new(), for the following reason: setting the | |
3924 | * SSL field causes tls_construct_stoc_early_data() to tell the | |
3925 | * client that early data will be accepted when constructing a TLS 1.3 | |
3926 | * session ticket, and the client will accordingly send us early data | |
3927 | * when using that ticket (if the client has early data to send). | |
3928 | * However, in order for the early data to actually be consumed by | |
3929 | * the application, the application must also have calls to | |
3930 | * SSL_read_early_data(); otherwise we'll just skip past the early data | |
3931 | * and ignore it. So, since the application must add calls to | |
3932 | * SSL_read_early_data(), we also require them to add | |
3933 | * calls to SSL_CTX_set_max_early_data() in order to use early data, | |
3934 | * eliminating the bandwidth-wasting early data in the case described | |
3935 | * above. | |
bfa9a9af | 3936 | */ |
c39e4048 | 3937 | ret->max_early_data = 0; |
bfa9a9af | 3938 | |
4e8548e8 MC |
3939 | /* |
3940 | * Default recv_max_early_data is a fully loaded single record. Could be | |
3941 | * split across multiple records in practice. We set this differently to | |
3942 | * max_early_data so that, in the default case, we do not advertise any | |
3943 | * support for early_data, but if a client were to send us some (e.g. | |
3944 | * because of an old, stale ticket) then we will tolerate it and skip over | |
3945 | * it. | |
3946 | */ | |
3947 | ret->recv_max_early_data = SSL3_RT_MAX_PLAIN_LENGTH; | |
3948 | ||
36ff232c MC |
3949 | /* By default we send two session tickets automatically in TLSv1.3 */ |
3950 | ret->num_tickets = 2; | |
9d0a8bb7 | 3951 | |
8a5ed9dc TM |
3952 | ssl_ctx_system_config(ret); |
3953 | ||
16203f7b | 3954 | return ret; |
0f113f3e | 3955 | err: |
e0e920b1 | 3956 | SSL_CTX_free(ret); |
16203f7b | 3957 | return NULL; |
0f113f3e | 3958 | } |
d02b48c6 | 3959 | |
ba18627e MC |
3960 | SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth) |
3961 | { | |
d8652be0 | 3962 | return SSL_CTX_new_ex(NULL, NULL, meth); |
ba18627e MC |
3963 | } |
3964 | ||
c5ebfcab | 3965 | int SSL_CTX_up_ref(SSL_CTX *ctx) |
a18a31e4 | 3966 | { |
16203f7b | 3967 | int i; |
c5ebfcab | 3968 | |
2f545ae4 | 3969 | if (CRYPTO_UP_REF(&ctx->references, &i, ctx->lock) <= 0) |
c5ebfcab F |
3970 | return 0; |
3971 | ||
3972 | REF_PRINT_COUNT("SSL_CTX", ctx); | |
3973 | REF_ASSERT_ISNT(i < 2); | |
3974 | return ((i > 1) ? 1 : 0); | |
a18a31e4 MC |
3975 | } |
3976 | ||
4f43d0e7 | 3977 | void SSL_CTX_free(SSL_CTX *a) |
0f113f3e MC |
3978 | { |
3979 | int i; | |
9d2d857f | 3980 | size_t j; |
d02b48c6 | 3981 | |
0f113f3e MC |
3982 | if (a == NULL) |
3983 | return; | |
d02b48c6 | 3984 | |
2f545ae4 | 3985 | CRYPTO_DOWN_REF(&a->references, &i, a->lock); |
f3f1cf84 | 3986 | REF_PRINT_COUNT("SSL_CTX", a); |
0f113f3e MC |
3987 | if (i > 0) |
3988 | return; | |
f3f1cf84 | 3989 | REF_ASSERT_ISNT(i < 0); |
0f113f3e | 3990 | |
222561fe | 3991 | X509_VERIFY_PARAM_free(a->param); |
919ba009 | 3992 | dane_ctx_final(&a->dane); |
0f113f3e MC |
3993 | |
3994 | /* | |
3995 | * Free internal session cache. However: the remove_cb() may reference | |
3996 | * the ex_data of SSL_CTX, thus the ex_data store can only be removed | |
3997 | * after the sessions were flushed. | |
3998 | * As the ex_data handling routines might also touch the session cache, | |
3999 | * the most secure solution seems to be: empty (flush) the cache, then | |
4000 | * free ex_data, then finally free the cache. | |
4001 | * (See ticket [openssl.org #212].) | |
4002 | */ | |
4003 | if (a->sessions != NULL) | |
4004 | SSL_CTX_flush_sessions(a, 0); | |
4005 | ||
4006 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data); | |
25aaa98a | 4007 | lh_SSL_SESSION_free(a->sessions); |
222561fe | 4008 | X509_STORE_free(a->cert_store); |
ed29e82a RP |
4009 | #ifndef OPENSSL_NO_CT |
4010 | CTLOG_STORE_free(a->ctlog_store); | |
4011 | #endif | |
25aaa98a RS |
4012 | sk_SSL_CIPHER_free(a->cipher_list); |
4013 | sk_SSL_CIPHER_free(a->cipher_list_by_id); | |
f865b081 | 4014 | sk_SSL_CIPHER_free(a->tls13_ciphersuites); |
e0e920b1 | 4015 | ssl_cert_free(a->cert); |
fa7c2637 | 4016 | sk_X509_NAME_pop_free(a->ca_names, X509_NAME_free); |
98732979 | 4017 | sk_X509_NAME_pop_free(a->client_ca_names, X509_NAME_free); |
79b2a2f2 | 4018 | OSSL_STACK_OF_X509_free(a->extra_certs); |
0f113f3e | 4019 | a->comp_methods = NULL; |
e783bae2 | 4020 | #ifndef OPENSSL_NO_SRTP |
25aaa98a | 4021 | sk_SRTP_PROTECTION_PROFILE_free(a->srtp_profiles); |
e783bae2 | 4022 | #endif |
edc032b5 | 4023 | #ifndef OPENSSL_NO_SRP |
76cb077f | 4024 | ssl_ctx_srp_ctx_free_intern(a); |
edc032b5 | 4025 | #endif |
bdfe932d | 4026 | #ifndef OPENSSL_NO_ENGINE |
301fcb28 | 4027 | tls_engine_finish(a->client_cert_engine); |
ddac1974 | 4028 | #endif |
8671b898 | 4029 | |
aff8c126 | 4030 | OPENSSL_free(a->ext.ecpointformats); |
187753e0 | 4031 | OPENSSL_free(a->ext.supportedgroups); |
ddf8f1ce | 4032 | OPENSSL_free(a->ext.supported_groups_default); |
aff8c126 | 4033 | OPENSSL_free(a->ext.alpn); |
4bfb96f2 | 4034 | OPENSSL_secure_free(a->ext.secure); |
8671b898 | 4035 | |
c8f6c28a MC |
4036 | ssl_evp_md_free(a->md5); |
4037 | ssl_evp_md_free(a->sha1); | |
4038 | ||
9d2d857f MC |
4039 | for (j = 0; j < SSL_ENC_NUM_IDX; j++) |
4040 | ssl_evp_cipher_free(a->ssl_cipher_methods[j]); | |
4041 | for (j = 0; j < SSL_MD_NUM_IDX; j++) | |
4042 | ssl_evp_md_free(a->ssl_digest_methods[j]); | |
4043 | for (j = 0; j < a->group_list_len; j++) { | |
4044 | OPENSSL_free(a->group_list[j].tlsname); | |
4045 | OPENSSL_free(a->group_list[j].realname); | |
4046 | OPENSSL_free(a->group_list[j].algorithm); | |
4047 | } | |
4048 | OPENSSL_free(a->group_list); | |
c8f6c28a | 4049 | |
263ff2c9 MC |
4050 | OPENSSL_free(a->sigalg_lookup_cache); |
4051 | ||
16203f7b | 4052 | CRYPTO_THREAD_lock_free(a->lock); |
acce0557 P |
4053 | #ifdef TSAN_REQUIRES_LOCKING |
4054 | CRYPTO_THREAD_lock_free(a->tsan_lock); | |
4055 | #endif | |
16203f7b | 4056 | |
ba18627e MC |
4057 | OPENSSL_free(a->propq); |
4058 | ||
0f113f3e MC |
4059 | OPENSSL_free(a); |
4060 | } | |
d02b48c6 | 4061 | |
3ae76679 | 4062 | void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb) |
0f113f3e MC |
4063 | { |
4064 | ctx->default_passwd_callback = cb; | |
4065 | } | |
4066 | ||
4067 | void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u) | |
4068 | { | |
4069 | ctx->default_passwd_callback_userdata = u; | |
4070 | } | |
4071 | ||
0c452abc CH |
4072 | pem_password_cb *SSL_CTX_get_default_passwd_cb(SSL_CTX *ctx) |
4073 | { | |
4074 | return ctx->default_passwd_callback; | |
4075 | } | |
4076 | ||
4077 | void *SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX *ctx) | |
4078 | { | |
4079 | return ctx->default_passwd_callback_userdata; | |
4080 | } | |
4081 | ||
a974e64a MC |
4082 | void SSL_set_default_passwd_cb(SSL *s, pem_password_cb *cb) |
4083 | { | |
38b051a1 TM |
4084 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4085 | ||
4086 | if (sc == NULL) | |
4087 | return; | |
4088 | ||
4089 | sc->default_passwd_callback = cb; | |
a974e64a MC |
4090 | } |
4091 | ||
4092 | void SSL_set_default_passwd_cb_userdata(SSL *s, void *u) | |
4093 | { | |
38b051a1 TM |
4094 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4095 | ||
4096 | if (sc == NULL) | |
4097 | return; | |
4098 | ||
4099 | sc->default_passwd_callback_userdata = u; | |
a974e64a MC |
4100 | } |
4101 | ||
0c452abc CH |
4102 | pem_password_cb *SSL_get_default_passwd_cb(SSL *s) |
4103 | { | |
38b051a1 TM |
4104 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4105 | ||
4106 | if (sc == NULL) | |
4107 | return NULL; | |
4108 | ||
4109 | return sc->default_passwd_callback; | |
0c452abc CH |
4110 | } |
4111 | ||
4112 | void *SSL_get_default_passwd_cb_userdata(SSL *s) | |
4113 | { | |
38b051a1 TM |
4114 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4115 | ||
4116 | if (sc == NULL) | |
4117 | return NULL; | |
4118 | ||
4119 | return sc->default_passwd_callback_userdata; | |
0c452abc CH |
4120 | } |
4121 | ||
0f113f3e MC |
4122 | void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, |
4123 | int (*cb) (X509_STORE_CTX *, void *), | |
4124 | void *arg) | |
4125 | { | |
4126 | ctx->app_verify_callback = cb; | |
4127 | ctx->app_verify_arg = arg; | |
4128 | } | |
4129 | ||
4130 | void SSL_CTX_set_verify(SSL_CTX *ctx, int mode, | |
4131 | int (*cb) (int, X509_STORE_CTX *)) | |
4132 | { | |
4133 | ctx->verify_mode = mode; | |
4134 | ctx->default_verify_callback = cb; | |
4135 | } | |
4136 | ||
4137 | void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth) | |
4138 | { | |
4139 | X509_VERIFY_PARAM_set_depth(ctx->param, depth); | |
4140 | } | |
4141 | ||
a230b26e | 4142 | void SSL_CTX_set_cert_cb(SSL_CTX *c, int (*cb) (SSL *ssl, void *arg), void *arg) |
0f113f3e MC |
4143 | { |
4144 | ssl_cert_set_cert_cb(c->cert, cb, arg); | |
4145 | } | |
4146 | ||
4147 | void SSL_set_cert_cb(SSL *s, int (*cb) (SSL *ssl, void *arg), void *arg) | |
4148 | { | |
38b051a1 TM |
4149 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4150 | ||
4151 | if (sc == NULL) | |
4152 | return; | |
4153 | ||
4154 | ssl_cert_set_cert_cb(sc->cert, cb, arg); | |
0f113f3e | 4155 | } |
18d71588 | 4156 | |
38b051a1 | 4157 | void ssl_set_masks(SSL_CONNECTION *s) |
0f113f3e | 4158 | { |
6383d316 | 4159 | CERT *c = s->cert; |
555cbb32 | 4160 | uint32_t *pvalid = s->s3.tmp.valid_flags; |
bc71f910 | 4161 | int rsa_enc, rsa_sign, dh_tmp, dsa_sign; |
361a1191 | 4162 | unsigned long mask_k, mask_a; |
361a1191 | 4163 | int have_ecc_cert, ecdsa_ok; |
462f4f4b | 4164 | |
0f113f3e MC |
4165 | if (c == NULL) |
4166 | return; | |
d02b48c6 | 4167 | |
13c45372 | 4168 | dh_tmp = (c->dh_tmp != NULL |
13c45372 | 4169 | || c->dh_tmp_cb != NULL |
13c45372 | 4170 | || c->dh_tmp_auto); |
d02b48c6 | 4171 | |
d0ff28f8 | 4172 | rsa_enc = pvalid[SSL_PKEY_RSA] & CERT_PKEY_VALID; |
38e8f3cd DSH |
4173 | rsa_sign = pvalid[SSL_PKEY_RSA] & CERT_PKEY_VALID; |
4174 | dsa_sign = pvalid[SSL_PKEY_DSA_SIGN] & CERT_PKEY_VALID; | |
6383d316 | 4175 | have_ecc_cert = pvalid[SSL_PKEY_ECC] & CERT_PKEY_VALID; |
0f113f3e MC |
4176 | mask_k = 0; |
4177 | mask_a = 0; | |
0e1dba93 | 4178 | |
77359d22 RL |
4179 | OSSL_TRACE4(TLS_CIPHER, "dh_tmp=%d rsa_enc=%d rsa_sign=%d dsa_sign=%d\n", |
4180 | dh_tmp, rsa_enc, rsa_sign, dsa_sign); | |
0f113f3e | 4181 | |
2a9b9654 | 4182 | #ifndef OPENSSL_NO_GOST |
4020c0b3 | 4183 | if (ssl_has_cert(s, SSL_PKEY_GOST12_512)) { |
5a5530a2 | 4184 | mask_k |= SSL_kGOST | SSL_kGOST18; |
e44380a9 DB |
4185 | mask_a |= SSL_aGOST12; |
4186 | } | |
4020c0b3 | 4187 | if (ssl_has_cert(s, SSL_PKEY_GOST12_256)) { |
5a5530a2 | 4188 | mask_k |= SSL_kGOST | SSL_kGOST18; |
e44380a9 DB |
4189 | mask_a |= SSL_aGOST12; |
4190 | } | |
4020c0b3 | 4191 | if (ssl_has_cert(s, SSL_PKEY_GOST01)) { |
0f113f3e MC |
4192 | mask_k |= SSL_kGOST; |
4193 | mask_a |= SSL_aGOST01; | |
4194 | } | |
2a9b9654 | 4195 | #endif |
0f113f3e | 4196 | |
361a1191 | 4197 | if (rsa_enc) |
0f113f3e | 4198 | mask_k |= SSL_kRSA; |
d02b48c6 | 4199 | |
0f113f3e MC |
4200 | if (dh_tmp) |
4201 | mask_k |= SSL_kDHE; | |
d02b48c6 | 4202 | |
6aaa29fb DSH |
4203 | /* |
4204 | * If we only have an RSA-PSS certificate allow RSA authentication | |
4205 | * if TLS 1.2 and peer supports it. | |
4206 | */ | |
4207 | ||
4208 | if (rsa_enc || rsa_sign || (ssl_has_cert(s, SSL_PKEY_RSA_PSS_SIGN) | |
4209 | && pvalid[SSL_PKEY_RSA_PSS_SIGN] & CERT_PKEY_EXPLICIT_SIGN | |
38b051a1 | 4210 | && TLS1_get_version(&s->ssl) == TLS1_2_VERSION)) |
0f113f3e | 4211 | mask_a |= SSL_aRSA; |
d02b48c6 | 4212 | |
0f113f3e MC |
4213 | if (dsa_sign) { |
4214 | mask_a |= SSL_aDSS; | |
0f113f3e | 4215 | } |
d02b48c6 | 4216 | |
0f113f3e | 4217 | mask_a |= SSL_aNULL; |
d02b48c6 | 4218 | |
0f113f3e MC |
4219 | /* |
4220 | * An ECC certificate may be usable for ECDH and/or ECDSA cipher suites | |
4221 | * depending on the key usage extension. | |
4222 | */ | |
0f113f3e | 4223 | if (have_ecc_cert) { |
a8d8e06b | 4224 | uint32_t ex_kusage; |
4020c0b3 | 4225 | ex_kusage = X509_get_key_usage(c->pkeys[SSL_PKEY_ECC].x509); |
a8d8e06b | 4226 | ecdsa_ok = ex_kusage & X509v3_KU_DIGITAL_SIGNATURE; |
6383d316 | 4227 | if (!(pvalid[SSL_PKEY_ECC] & CERT_PKEY_SIGN)) |
0f113f3e | 4228 | ecdsa_ok = 0; |
c7c46256 | 4229 | if (ecdsa_ok) |
0f113f3e | 4230 | mask_a |= SSL_aECDSA; |
0f113f3e | 4231 | } |
b2021556 DSH |
4232 | /* Allow Ed25519 for TLS 1.2 if peer supports it */ |
4233 | if (!(mask_a & SSL_aECDSA) && ssl_has_cert(s, SSL_PKEY_ED25519) | |
4234 | && pvalid[SSL_PKEY_ED25519] & CERT_PKEY_EXPLICIT_SIGN | |
38b051a1 | 4235 | && TLS1_get_version(&s->ssl) == TLS1_2_VERSION) |
b2021556 | 4236 | mask_a |= SSL_aECDSA; |
0e1d6ecf MC |
4237 | |
4238 | /* Allow Ed448 for TLS 1.2 if peer supports it */ | |
4239 | if (!(mask_a & SSL_aECDSA) && ssl_has_cert(s, SSL_PKEY_ED448) | |
4240 | && pvalid[SSL_PKEY_ED448] & CERT_PKEY_EXPLICIT_SIGN | |
38b051a1 | 4241 | && TLS1_get_version(&s->ssl) == TLS1_2_VERSION) |
0e1d6ecf | 4242 | mask_a |= SSL_aECDSA; |
ea262260 | 4243 | |
fe6ef247 | 4244 | mask_k |= SSL_kECDHE; |
ddac1974 NL |
4245 | |
4246 | #ifndef OPENSSL_NO_PSK | |
0f113f3e MC |
4247 | mask_k |= SSL_kPSK; |
4248 | mask_a |= SSL_aPSK; | |
526f94ad DSH |
4249 | if (mask_k & SSL_kRSA) |
4250 | mask_k |= SSL_kRSAPSK; | |
4251 | if (mask_k & SSL_kDHE) | |
4252 | mask_k |= SSL_kDHEPSK; | |
4253 | if (mask_k & SSL_kECDHE) | |
4254 | mask_k |= SSL_kECDHEPSK; | |
ddac1974 NL |
4255 | #endif |
4256 | ||
555cbb32 TS |
4257 | s->s3.tmp.mask_k = mask_k; |
4258 | s->s3.tmp.mask_a = mask_a; | |
0f113f3e | 4259 | } |
d02b48c6 | 4260 | |
38b051a1 | 4261 | int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL_CONNECTION *s) |
0f113f3e | 4262 | { |
555cbb32 | 4263 | if (s->s3.tmp.new_cipher->algorithm_auth & SSL_aECDSA) { |
0f113f3e | 4264 | /* key usage, if present, must allow signing */ |
ce0c1f2b | 4265 | if (!(X509_get_key_usage(x) & X509v3_KU_DIGITAL_SIGNATURE)) { |
6849b73c | 4266 | ERR_raise(ERR_LIB_SSL, SSL_R_ECC_CERT_NOT_FOR_SIGNING); |
0f113f3e MC |
4267 | return 0; |
4268 | } | |
4269 | } | |
0f113f3e MC |
4270 | return 1; /* all checks are ok */ |
4271 | } | |
ea262260 | 4272 | |
38b051a1 TM |
4273 | int ssl_get_server_cert_serverinfo(SSL_CONNECTION *s, |
4274 | const unsigned char **serverinfo, | |
0f113f3e MC |
4275 | size_t *serverinfo_length) |
4276 | { | |
555cbb32 | 4277 | CERT_PKEY *cpk = s->s3.tmp.cert; |
0f113f3e MC |
4278 | *serverinfo_length = 0; |
4279 | ||
a497cf25 | 4280 | if (cpk == NULL || cpk->serverinfo == NULL) |
0f113f3e MC |
4281 | return 0; |
4282 | ||
a497cf25 DSH |
4283 | *serverinfo = cpk->serverinfo; |
4284 | *serverinfo_length = cpk->serverinfo_length; | |
0f113f3e MC |
4285 | return 1; |
4286 | } | |
0f113f3e | 4287 | |
38b051a1 | 4288 | void ssl_update_cache(SSL_CONNECTION *s, int mode) |
0f113f3e MC |
4289 | { |
4290 | int i; | |
4291 | ||
4292 | /* | |
4293 | * If the session_id_length is 0, we are not supposed to cache it, and it | |
4294 | * would be rather hard to do anyway :-) | |
4295 | */ | |
4296 | if (s->session->session_id_length == 0) | |
4297 | return; | |
4298 | ||
d316cdcf BK |
4299 | /* |
4300 | * If sid_ctx_length is 0 there is no specific application context | |
4301 | * associated with this session, so when we try to resume it and | |
c4fa1f7f BK |
4302 | * SSL_VERIFY_PEER is requested to verify the client identity, we have no |
4303 | * indication that this is actually a session for the proper application | |
4304 | * context, and the *handshake* will fail, not just the resumption attempt. | |
4305 | * Do not cache (on the server) these sessions that are not resumable | |
4306 | * (clients can set SSL_VERIFY_PEER without needing a sid_ctx set). | |
d316cdcf | 4307 | */ |
c4fa1f7f | 4308 | if (s->server && s->session->sid_ctx_length == 0 |
d316cdcf BK |
4309 | && (s->verify_mode & SSL_VERIFY_PEER) != 0) |
4310 | return; | |
4311 | ||
0f113f3e | 4312 | i = s->session_ctx->session_cache_mode; |
5d61491c | 4313 | if ((i & mode) != 0 |
38b051a1 | 4314 | && (!s->hit || SSL_CONNECTION_IS_TLS13(s))) { |
ee94ec2e MC |
4315 | /* |
4316 | * Add the session to the internal cache. In server side TLSv1.3 we | |
6cc0b3c2 MC |
4317 | * normally don't do this because by default it's a full stateless ticket |
4318 | * with only a dummy session id so there is no reason to cache it, | |
4319 | * unless: | |
ee94ec2e MC |
4320 | * - we are doing early_data, in which case we cache so that we can |
4321 | * detect replays | |
4322 | * - the application has set a remove_session_cb so needs to know about | |
4323 | * session timeout events | |
6cc0b3c2 | 4324 | * - SSL_OP_NO_TICKET is set in which case it is a stateful ticket |
ee94ec2e MC |
4325 | */ |
4326 | if ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE) == 0 | |
38b051a1 | 4327 | && (!SSL_CONNECTION_IS_TLS13(s) |
ee94ec2e | 4328 | || !s->server |
5d263fb7 MC |
4329 | || (s->max_early_data > 0 |
4330 | && (s->options & SSL_OP_NO_ANTI_REPLAY) == 0) | |
6cc0b3c2 MC |
4331 | || s->session_ctx->remove_session_cb != NULL |
4332 | || (s->options & SSL_OP_NO_TICKET) != 0)) | |
ee94ec2e MC |
4333 | SSL_CTX_add_session(s->session_ctx, s->session); |
4334 | ||
4335 | /* | |
4336 | * Add the session to the external cache. We do this even in server side | |
4337 | * TLSv1.3 without early data because some applications just want to | |
4338 | * know about the creation of a session and aren't doing a full cache. | |
4339 | */ | |
4340 | if (s->session_ctx->new_session_cb != NULL) { | |
4341 | SSL_SESSION_up_ref(s->session); | |
38b051a1 TM |
4342 | if (!s->session_ctx->new_session_cb(SSL_CONNECTION_GET_SSL(s), |
4343 | s->session)) | |
ee94ec2e MC |
4344 | SSL_SESSION_free(s->session); |
4345 | } | |
0f113f3e MC |
4346 | } |
4347 | ||
4348 | /* auto flush every 255 connections */ | |
4349 | if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) && ((i & mode) == mode)) { | |
9ef9088c | 4350 | TSAN_QUALIFIER int *stat; |
acce0557 | 4351 | |
1fcb4e4d BK |
4352 | if (mode & SSL_SESS_CACHE_CLIENT) |
4353 | stat = &s->session_ctx->stats.sess_connect_good; | |
4354 | else | |
4355 | stat = &s->session_ctx->stats.sess_accept_good; | |
acce0557 | 4356 | if ((ssl_tsan_load(s->session_ctx, stat) & 0xff) == 0xff) |
0f113f3e | 4357 | SSL_CTX_flush_sessions(s->session_ctx, (unsigned long)time(NULL)); |
0f113f3e MC |
4358 | } |
4359 | } | |
d02b48c6 | 4360 | |
3499327b | 4361 | const SSL_METHOD *SSL_CTX_get_ssl_method(const SSL_CTX *ctx) |
0f113f3e MC |
4362 | { |
4363 | return ctx->method; | |
4364 | } | |
ba168244 | 4365 | |
3499327b | 4366 | const SSL_METHOD *SSL_get_ssl_method(const SSL *s) |
0f113f3e | 4367 | { |
26a7d938 | 4368 | return s->method; |
0f113f3e | 4369 | } |
d02b48c6 | 4370 | |
4ebb342f | 4371 | int SSL_set_ssl_method(SSL *s, const SSL_METHOD *meth) |
0f113f3e | 4372 | { |
0f113f3e | 4373 | int ret = 1; |
38b051a1 TM |
4374 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4375 | ||
4376 | /* TODO(QUIC): Do we want this for QUIC? */ | |
4377 | if (sc == NULL | |
4378 | || (s->type != SSL_TYPE_SSL_CONNECTION && s->method != meth)) | |
4379 | return 0; | |
0f113f3e MC |
4380 | |
4381 | if (s->method != meth) { | |
919ba009 | 4382 | const SSL_METHOD *sm = s->method; |
38b051a1 | 4383 | int (*hf) (SSL *) = sc->handshake_func; |
0f113f3e | 4384 | |
919ba009 | 4385 | if (sm->version == meth->version) |
0f113f3e MC |
4386 | s->method = meth; |
4387 | else { | |
38b051a1 | 4388 | sm->ssl_deinit(s); |
0f113f3e | 4389 | s->method = meth; |
38b051a1 | 4390 | ret = s->method->ssl_init(s); |
0f113f3e MC |
4391 | } |
4392 | ||
919ba009 | 4393 | if (hf == sm->ssl_connect) |
38b051a1 | 4394 | sc->handshake_func = meth->ssl_connect; |
919ba009 | 4395 | else if (hf == sm->ssl_accept) |
38b051a1 | 4396 | sc->handshake_func = meth->ssl_accept; |
0f113f3e | 4397 | } |
26a7d938 | 4398 | return ret; |
0f113f3e MC |
4399 | } |
4400 | ||
4401 | int SSL_get_error(const SSL *s, int i) | |
4402 | { | |
4403 | int reason; | |
4404 | unsigned long l; | |
4405 | BIO *bio; | |
38b051a1 | 4406 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
03bacce8 HL |
4407 | #ifndef OPENSSL_NO_QUIC |
4408 | const QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_CONST_SSL(s); | |
4409 | #endif | |
0f113f3e MC |
4410 | |
4411 | if (i > 0) | |
26a7d938 | 4412 | return SSL_ERROR_NONE; |
0f113f3e | 4413 | |
38b051a1 TM |
4414 | if (sc == NULL) |
4415 | return SSL_ERROR_SSL; | |
4416 | ||
0f113f3e MC |
4417 | /* |
4418 | * Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake etc, | |
4419 | * where we do encode the error | |
4420 | */ | |
4421 | if ((l = ERR_peek_error()) != 0) { | |
4422 | if (ERR_GET_LIB(l) == ERR_LIB_SYS) | |
26a7d938 | 4423 | return SSL_ERROR_SYSCALL; |
0f113f3e | 4424 | else |
26a7d938 | 4425 | return SSL_ERROR_SSL; |
0f113f3e MC |
4426 | } |
4427 | ||
03bacce8 HL |
4428 | #ifndef OPENSSL_NO_QUIC |
4429 | if (qc != NULL) { | |
4430 | reason = ossl_quic_get_error(qc, i); | |
4431 | if (reason != SSL_ERROR_NONE) | |
4432 | return reason; | |
8051ab2b | 4433 | } |
03bacce8 | 4434 | #endif |
0f113f3e | 4435 | |
03bacce8 HL |
4436 | #ifndef OPENSSL_NO_QUIC |
4437 | if (qc == NULL) | |
4438 | #endif | |
4439 | { | |
4440 | if (SSL_want_read(s)) { | |
4441 | bio = SSL_get_rbio(s); | |
4442 | if (BIO_should_read(bio)) | |
4443 | return SSL_ERROR_WANT_READ; | |
4444 | else if (BIO_should_write(bio)) | |
4445 | /* | |
4446 | * This one doesn't make too much sense ... We never try to | |
4447 | * write to the rbio, and an application program where rbio and | |
4448 | * wbio are separate couldn't even know what it should wait for. | |
4449 | * However if we ever set s->rwstate incorrectly (so that we | |
4450 | * have SSL_want_read(s) instead of SSL_want_write(s)) and rbio | |
4451 | * and wbio *are* the same, this test works around that bug; so | |
4452 | * it might be safer to keep it. | |
4453 | */ | |
4454 | return SSL_ERROR_WANT_WRITE; | |
4455 | else if (BIO_should_io_special(bio)) { | |
4456 | reason = BIO_get_retry_reason(bio); | |
4457 | if (reason == BIO_RR_CONNECT) | |
4458 | return SSL_ERROR_WANT_CONNECT; | |
4459 | else if (reason == BIO_RR_ACCEPT) | |
4460 | return SSL_ERROR_WANT_ACCEPT; | |
4461 | else | |
4462 | return SSL_ERROR_SYSCALL; /* unknown */ | |
4463 | } | |
4464 | } | |
4465 | ||
4466 | if (SSL_want_write(s)) { | |
2e7dc7cd | 4467 | /* |
03bacce8 HL |
4468 | * Access wbio directly - in order to use the buffered bio if |
4469 | * present | |
2e7dc7cd | 4470 | */ |
03bacce8 HL |
4471 | bio = sc->wbio; |
4472 | if (BIO_should_write(bio)) | |
4473 | return SSL_ERROR_WANT_WRITE; | |
4474 | else if (BIO_should_read(bio)) | |
4475 | /* | |
4476 | * See above (SSL_want_read(s) with BIO_should_write(bio)) | |
4477 | */ | |
4478 | return SSL_ERROR_WANT_READ; | |
4479 | else if (BIO_should_io_special(bio)) { | |
4480 | reason = BIO_get_retry_reason(bio); | |
4481 | if (reason == BIO_RR_CONNECT) | |
4482 | return SSL_ERROR_WANT_CONNECT; | |
4483 | else if (reason == BIO_RR_ACCEPT) | |
4484 | return SSL_ERROR_WANT_ACCEPT; | |
4485 | else | |
4486 | return SSL_ERROR_SYSCALL; | |
4487 | } | |
0f113f3e | 4488 | } |
07bbc92c | 4489 | } |
03bacce8 | 4490 | |
6b1bb98f | 4491 | if (SSL_want_x509_lookup(s)) |
26a7d938 | 4492 | return SSL_ERROR_WANT_X509_LOOKUP; |
0c3eb279 DDO |
4493 | if (SSL_want_retry_verify(s)) |
4494 | return SSL_ERROR_WANT_RETRY_VERIFY; | |
6b1bb98f | 4495 | if (SSL_want_async(s)) |
8051ab2b | 4496 | return SSL_ERROR_WANT_ASYNC; |
6b1bb98f | 4497 | if (SSL_want_async_job(s)) |
8051ab2b | 4498 | return SSL_ERROR_WANT_ASYNC_JOB; |
a9c0d8be DB |
4499 | if (SSL_want_client_hello_cb(s)) |
4500 | return SSL_ERROR_WANT_CLIENT_HELLO_CB; | |
8051ab2b | 4501 | |
38b051a1 TM |
4502 | if ((sc->shutdown & SSL_RECEIVED_SHUTDOWN) && |
4503 | (sc->s3.warn_alert == SSL_AD_CLOSE_NOTIFY)) | |
26a7d938 | 4504 | return SSL_ERROR_ZERO_RETURN; |
8051ab2b | 4505 | |
26a7d938 | 4506 | return SSL_ERROR_SYSCALL; |
0f113f3e | 4507 | } |
d02b48c6 | 4508 | |
add2f5ca MC |
4509 | static int ssl_do_handshake_intern(void *vargs) |
4510 | { | |
38b051a1 TM |
4511 | struct ssl_async_args *args = (struct ssl_async_args *)vargs; |
4512 | SSL *s = args->s; | |
4513 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
add2f5ca | 4514 | |
38b051a1 TM |
4515 | if (sc == NULL) |
4516 | return -1; | |
add2f5ca | 4517 | |
38b051a1 | 4518 | return sc->handshake_func(s); |
add2f5ca MC |
4519 | } |
4520 | ||
4f43d0e7 | 4521 | int SSL_do_handshake(SSL *s) |
0f113f3e MC |
4522 | { |
4523 | int ret = 1; | |
38b051a1 | 4524 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
03bacce8 HL |
4525 | #ifndef OPENSSL_NO_QUIC |
4526 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); | |
38b051a1 | 4527 | |
03bacce8 HL |
4528 | if (qc != NULL) |
4529 | return ossl_quic_do_handshake(qc); | |
4530 | #endif | |
0f113f3e | 4531 | |
38b051a1 | 4532 | if (sc->handshake_func == NULL) { |
6849b73c | 4533 | ERR_raise(ERR_LIB_SSL, SSL_R_CONNECTION_TYPE_NOT_SET); |
add2f5ca | 4534 | return -1; |
0f113f3e MC |
4535 | } |
4536 | ||
38b051a1 | 4537 | ossl_statem_check_finish_init(sc, -1); |
49e7fe12 | 4538 | |
c7f47786 | 4539 | s->method->ssl_renegotiate_check(s, 0); |
0f113f3e MC |
4540 | |
4541 | if (SSL_in_init(s) || SSL_in_before(s)) { | |
38b051a1 | 4542 | if ((sc->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
add2f5ca MC |
4543 | struct ssl_async_args args; |
4544 | ||
09134f18 | 4545 | memset(&args, 0, sizeof(args)); |
add2f5ca MC |
4546 | args.s = s; |
4547 | ||
7fecbf6f | 4548 | ret = ssl_start_async_job(s, &args, ssl_do_handshake_intern); |
add2f5ca | 4549 | } else { |
38b051a1 | 4550 | ret = sc->handshake_func(s); |
add2f5ca | 4551 | } |
0f113f3e | 4552 | } |
add2f5ca | 4553 | return ret; |
0f113f3e MC |
4554 | } |
4555 | ||
4f43d0e7 | 4556 | void SSL_set_accept_state(SSL *s) |
0f113f3e | 4557 | { |
03bacce8 HL |
4558 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
4559 | #ifndef OPENSSL_NO_QUIC | |
4560 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); | |
38b051a1 | 4561 | |
03bacce8 HL |
4562 | if (qc != NULL) { |
4563 | ossl_quic_set_accept_state(qc); | |
38b051a1 | 4564 | return; |
03bacce8 HL |
4565 | } |
4566 | #endif | |
38b051a1 TM |
4567 | |
4568 | sc->server = 1; | |
4569 | sc->shutdown = 0; | |
4570 | ossl_statem_clear(sc); | |
4571 | sc->handshake_func = s->method->ssl_accept; | |
6d814fd6 MC |
4572 | /* Ignore return value. Its a void public API function */ |
4573 | clear_record_layer(sc); | |
0f113f3e | 4574 | } |
d02b48c6 | 4575 | |
4f43d0e7 | 4576 | void SSL_set_connect_state(SSL *s) |
0f113f3e | 4577 | { |
03bacce8 HL |
4578 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
4579 | #ifndef OPENSSL_NO_QUIC | |
4580 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); | |
38b051a1 | 4581 | |
03bacce8 HL |
4582 | if (qc != NULL) { |
4583 | ossl_quic_set_connect_state(qc); | |
38b051a1 | 4584 | return; |
03bacce8 HL |
4585 | } |
4586 | #endif | |
38b051a1 TM |
4587 | |
4588 | sc->server = 0; | |
4589 | sc->shutdown = 0; | |
4590 | ossl_statem_clear(sc); | |
4591 | sc->handshake_func = s->method->ssl_connect; | |
6d814fd6 MC |
4592 | /* Ignore return value. Its a void public API function */ |
4593 | clear_record_layer(sc); | |
0f113f3e | 4594 | } |
d02b48c6 | 4595 | |
4f43d0e7 | 4596 | int ssl_undefined_function(SSL *s) |
0f113f3e | 4597 | { |
6849b73c | 4598 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
26a7d938 | 4599 | return 0; |
0f113f3e | 4600 | } |
d02b48c6 | 4601 | |
41a15c4f | 4602 | int ssl_undefined_void_function(void) |
0f113f3e | 4603 | { |
6849b73c | 4604 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
26a7d938 | 4605 | return 0; |
0f113f3e | 4606 | } |
41a15c4f | 4607 | |
0821bcd4 | 4608 | int ssl_undefined_const_function(const SSL *s) |
0f113f3e | 4609 | { |
26a7d938 | 4610 | return 0; |
0f113f3e | 4611 | } |
0821bcd4 | 4612 | |
2b8fa1d5 | 4613 | const SSL_METHOD *ssl_bad_method(int ver) |
0f113f3e | 4614 | { |
6849b73c | 4615 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
26a7d938 | 4616 | return NULL; |
0f113f3e | 4617 | } |
d02b48c6 | 4618 | |
3eb2aff4 | 4619 | const char *ssl_protocol_to_string(int version) |
7d650072 | 4620 | { |
1287dabd | 4621 | switch (version) |
2abacef1 MC |
4622 | { |
4623 | case TLS1_3_VERSION: | |
582a17d6 | 4624 | return "TLSv1.3"; |
2abacef1 MC |
4625 | |
4626 | case TLS1_2_VERSION: | |
7d650072 | 4627 | return "TLSv1.2"; |
2abacef1 MC |
4628 | |
4629 | case TLS1_1_VERSION: | |
7d650072 | 4630 | return "TLSv1.1"; |
2abacef1 MC |
4631 | |
4632 | case TLS1_VERSION: | |
ee3a6c64 | 4633 | return "TLSv1"; |
2abacef1 MC |
4634 | |
4635 | case SSL3_VERSION: | |
7d650072 | 4636 | return "SSLv3"; |
2abacef1 MC |
4637 | |
4638 | case DTLS1_BAD_VER: | |
7d650072 | 4639 | return "DTLSv0.9"; |
2abacef1 MC |
4640 | |
4641 | case DTLS1_VERSION: | |
7d650072 | 4642 | return "DTLSv1"; |
2abacef1 MC |
4643 | |
4644 | case DTLS1_2_VERSION: | |
7d650072 | 4645 | return "DTLSv1.2"; |
2abacef1 MC |
4646 | |
4647 | default: | |
4648 | return "unknown"; | |
4649 | } | |
0f113f3e | 4650 | } |
d02b48c6 | 4651 | |
7d650072 KR |
4652 | const char *SSL_get_version(const SSL *s) |
4653 | { | |
38b051a1 TM |
4654 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
4655 | ||
38b051a1 TM |
4656 | if (sc == NULL) |
4657 | return NULL; | |
4658 | ||
4659 | return ssl_protocol_to_string(sc->version); | |
7d650072 KR |
4660 | } |
4661 | ||
98732979 | 4662 | static int dup_ca_names(STACK_OF(X509_NAME) **dst, STACK_OF(X509_NAME) *src) |
0f113f3e MC |
4663 | { |
4664 | STACK_OF(X509_NAME) *sk; | |
4665 | X509_NAME *xn; | |
98732979 MC |
4666 | int i; |
4667 | ||
4668 | if (src == NULL) { | |
4669 | *dst = NULL; | |
4670 | return 1; | |
4671 | } | |
4672 | ||
4673 | if ((sk = sk_X509_NAME_new_null()) == NULL) | |
4674 | return 0; | |
4675 | for (i = 0; i < sk_X509_NAME_num(src); i++) { | |
4676 | xn = X509_NAME_dup(sk_X509_NAME_value(src, i)); | |
4677 | if (xn == NULL) { | |
4678 | sk_X509_NAME_pop_free(sk, X509_NAME_free); | |
4679 | return 0; | |
4680 | } | |
4681 | if (sk_X509_NAME_insert(sk, xn, i) == 0) { | |
4682 | X509_NAME_free(xn); | |
4683 | sk_X509_NAME_pop_free(sk, X509_NAME_free); | |
4684 | return 0; | |
4685 | } | |
4686 | } | |
4687 | *dst = sk; | |
4688 | ||
4689 | return 1; | |
4690 | } | |
4691 | ||
4692 | SSL *SSL_dup(SSL *s) | |
4693 | { | |
0f113f3e MC |
4694 | SSL *ret; |
4695 | int i; | |
38b051a1 TM |
4696 | /* TODO(QUIC): Add a SSL_METHOD function for duplication */ |
4697 | SSL_CONNECTION *retsc; | |
4698 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); | |
4699 | ||
4700 | if (sc == NULL) | |
4701 | return NULL; | |
0f113f3e | 4702 | |
919ba009 VD |
4703 | /* If we're not quiescent, just up_ref! */ |
4704 | if (!SSL_in_init(s) || !SSL_in_before(s)) { | |
2f545ae4 | 4705 | CRYPTO_UP_REF(&s->references, &i, s->lock); |
919ba009 VD |
4706 | return s; |
4707 | } | |
4708 | ||
4709 | /* | |
4710 | * Otherwise, copy configuration state, and session if set. | |
4711 | */ | |
0f113f3e | 4712 | if ((ret = SSL_new(SSL_get_SSL_CTX(s))) == NULL) |
26a7d938 | 4713 | return NULL; |
38b051a1 TM |
4714 | if ((retsc = SSL_CONNECTION_FROM_SSL_ONLY(ret)) == NULL) |
4715 | goto err; | |
0f113f3e | 4716 | |
38b051a1 | 4717 | if (sc->session != NULL) { |
919ba009 VD |
4718 | /* |
4719 | * Arranges to share the same session via up_ref. This "copies" | |
4720 | * session-id, SSL_METHOD, sid_ctx, and 'cert' | |
4721 | */ | |
61986d32 | 4722 | if (!SSL_copy_session_id(ret, s)) |
17dd65e6 | 4723 | goto err; |
0f113f3e MC |
4724 | } else { |
4725 | /* | |
4726 | * No session has been established yet, so we have to expect that | |
4727 | * s->cert or ret->cert will be changed later -- they should not both | |
4728 | * point to the same object, and thus we can't use | |
4729 | * SSL_copy_session_id. | |
4730 | */ | |
919ba009 VD |
4731 | if (!SSL_set_ssl_method(ret, s->method)) |
4732 | goto err; | |
0f113f3e | 4733 | |
38b051a1 TM |
4734 | if (sc->cert != NULL) { |
4735 | ssl_cert_free(retsc->cert); | |
4736 | retsc->cert = ssl_cert_dup(sc->cert); | |
4737 | if (retsc->cert == NULL) | |
0f113f3e MC |
4738 | goto err; |
4739 | } | |
4740 | ||
38b051a1 TM |
4741 | if (!SSL_set_session_id_context(ret, sc->sid_ctx, |
4742 | (int)sc->sid_ctx_length)) | |
69f68237 | 4743 | goto err; |
0f113f3e MC |
4744 | } |
4745 | ||
38b051a1 | 4746 | if (!ssl_dane_dup(retsc, sc)) |
9f6b22b8 | 4747 | goto err; |
38b051a1 TM |
4748 | retsc->version = sc->version; |
4749 | retsc->options = sc->options; | |
4750 | retsc->min_proto_version = sc->min_proto_version; | |
4751 | retsc->max_proto_version = sc->max_proto_version; | |
4752 | retsc->mode = sc->mode; | |
0f113f3e MC |
4753 | SSL_set_max_cert_list(ret, SSL_get_max_cert_list(s)); |
4754 | SSL_set_read_ahead(ret, SSL_get_read_ahead(s)); | |
38b051a1 TM |
4755 | retsc->msg_callback = sc->msg_callback; |
4756 | retsc->msg_callback_arg = sc->msg_callback_arg; | |
0f113f3e MC |
4757 | SSL_set_verify(ret, SSL_get_verify_mode(s), SSL_get_verify_callback(s)); |
4758 | SSL_set_verify_depth(ret, SSL_get_verify_depth(s)); | |
38b051a1 | 4759 | retsc->generate_session_id = sc->generate_session_id; |
0f113f3e MC |
4760 | |
4761 | SSL_set_info_callback(ret, SSL_get_info_callback(s)); | |
4762 | ||
0f113f3e MC |
4763 | /* copy app data, a little dangerous perhaps */ |
4764 | if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data)) | |
4765 | goto err; | |
4766 | ||
38b051a1 TM |
4767 | retsc->server = sc->server; |
4768 | if (sc->handshake_func) { | |
4769 | if (sc->server) | |
919ba009 VD |
4770 | SSL_set_accept_state(ret); |
4771 | else | |
4772 | SSL_set_connect_state(ret); | |
4773 | } | |
38b051a1 TM |
4774 | retsc->shutdown = sc->shutdown; |
4775 | retsc->hit = sc->hit; | |
0f113f3e | 4776 | |
38b051a1 TM |
4777 | retsc->default_passwd_callback = sc->default_passwd_callback; |
4778 | retsc->default_passwd_callback_userdata = sc->default_passwd_callback_userdata; | |
a974e64a | 4779 | |
38b051a1 | 4780 | X509_VERIFY_PARAM_inherit(retsc->param, sc->param); |
0f113f3e MC |
4781 | |
4782 | /* dup the cipher_list and cipher_list_by_id stacks */ | |
38b051a1 TM |
4783 | if (sc->cipher_list != NULL) { |
4784 | if ((retsc->cipher_list = sk_SSL_CIPHER_dup(sc->cipher_list)) == NULL) | |
0f113f3e MC |
4785 | goto err; |
4786 | } | |
38b051a1 TM |
4787 | if (sc->cipher_list_by_id != NULL) |
4788 | if ((retsc->cipher_list_by_id = sk_SSL_CIPHER_dup(sc->cipher_list_by_id)) | |
0f113f3e MC |
4789 | == NULL) |
4790 | goto err; | |
4791 | ||
4792 | /* Dup the client_CA list */ | |
38b051a1 TM |
4793 | if (!dup_ca_names(&retsc->ca_names, sc->ca_names) |
4794 | || !dup_ca_names(&retsc->client_ca_names, sc->client_ca_names)) | |
98732979 MC |
4795 | goto err; |
4796 | ||
66696478 | 4797 | return ret; |
0f113f3e | 4798 | |
0f113f3e | 4799 | err: |
66696478 RS |
4800 | SSL_free(ret); |
4801 | return NULL; | |
0f113f3e | 4802 | } |
d02b48c6 | 4803 | |
0821bcd4 | 4804 | X509 *SSL_get_certificate(const SSL *s) |
0f113f3e | 4805 | { |
38b051a1 TM |
4806 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4807 | ||
4808 | if (sc == NULL) | |
4809 | return NULL; | |
4810 | ||
4811 | if (sc->cert != NULL) | |
4812 | return sc->cert->key->x509; | |
0f113f3e | 4813 | else |
26a7d938 | 4814 | return NULL; |
0f113f3e | 4815 | } |
d02b48c6 | 4816 | |
a25f9adc | 4817 | EVP_PKEY *SSL_get_privatekey(const SSL *s) |
0f113f3e | 4818 | { |
38b051a1 TM |
4819 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
4820 | ||
4821 | if (sc == NULL) | |
4822 | return NULL; | |
4823 | ||
4824 | if (sc->cert != NULL) | |
4825 | return sc->cert->key->privatekey; | |
0f113f3e | 4826 | else |
26a7d938 | 4827 | return NULL; |
0f113f3e | 4828 | } |
d02b48c6 | 4829 | |
a25f9adc | 4830 | X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx) |
0f113f3e MC |
4831 | { |
4832 | if (ctx->cert != NULL) | |
4833 | return ctx->cert->key->x509; | |
4834 | else | |
4835 | return NULL; | |
4836 | } | |
a25f9adc DSH |
4837 | |
4838 | EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx) | |
0f113f3e MC |
4839 | { |
4840 | if (ctx->cert != NULL) | |
4841 | return ctx->cert->key->privatekey; | |
4842 | else | |
4843 | return NULL; | |
4844 | } | |
a25f9adc | 4845 | |
babb3798 | 4846 | const SSL_CIPHER *SSL_get_current_cipher(const SSL *s) |
0f113f3e | 4847 | { |
38b051a1 TM |
4848 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
4849 | ||
4850 | if (sc == NULL) | |
4851 | return NULL; | |
4852 | ||
4853 | if ((sc->session != NULL) && (sc->session->cipher != NULL)) | |
4854 | return sc->session->cipher; | |
26a7d938 | 4855 | return NULL; |
0f113f3e MC |
4856 | } |
4857 | ||
0aed6e44 BK |
4858 | const SSL_CIPHER *SSL_get_pending_cipher(const SSL *s) |
4859 | { | |
38b051a1 TM |
4860 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
4861 | ||
4862 | if (sc == NULL) | |
4863 | return NULL; | |
4864 | ||
4865 | return sc->s3.tmp.new_cipher; | |
0aed6e44 BK |
4866 | } |
4867 | ||
3499327b | 4868 | const COMP_METHOD *SSL_get_current_compression(const SSL *s) |
0f113f3e | 4869 | { |
9a555706 | 4870 | #ifndef OPENSSL_NO_COMP |
38b051a1 TM |
4871 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(s); |
4872 | ||
4873 | if (sc == NULL) | |
4874 | return NULL; | |
4875 | ||
1e76110b | 4876 | return sc->rlayer.wrlmethod->get_compression(sc->rlayer.wrl); |
9a555706 RS |
4877 | #else |
4878 | return NULL; | |
4879 | #endif | |
0f113f3e | 4880 | } |
377dcdba | 4881 | |
3499327b | 4882 | const COMP_METHOD *SSL_get_current_expansion(const SSL *s) |
0f113f3e | 4883 | { |
9a555706 | 4884 | #ifndef OPENSSL_NO_COMP |
38b051a1 TM |
4885 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(s); |
4886 | ||
4887 | if (sc == NULL) | |
4888 | return NULL; | |
4889 | ||
1e76110b | 4890 | return sc->rlayer.rrlmethod->get_compression(sc->rlayer.rrl); |
9a555706 RS |
4891 | #else |
4892 | return NULL; | |
0f113f3e | 4893 | #endif |
9a555706 | 4894 | } |
0f113f3e | 4895 | |
38b051a1 | 4896 | int ssl_init_wbio_buffer(SSL_CONNECTION *s) |
0f113f3e MC |
4897 | { |
4898 | BIO *bbio; | |
4899 | ||
2e7dc7cd MC |
4900 | if (s->bbio != NULL) { |
4901 | /* Already buffered. */ | |
4902 | return 1; | |
0f113f3e | 4903 | } |
46417569 | 4904 | |
2e7dc7cd | 4905 | bbio = BIO_new(BIO_f_buffer()); |
25d02f33 | 4906 | if (bbio == NULL || BIO_set_read_buffer_size(bbio, 1) <= 0) { |
2e7dc7cd | 4907 | BIO_free(bbio); |
6849b73c | 4908 | ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB); |
46417569 | 4909 | return 0; |
0f113f3e | 4910 | } |
2e7dc7cd MC |
4911 | s->bbio = bbio; |
4912 | s->wbio = BIO_push(bbio, s->wbio); | |
46417569 | 4913 | |
b5cf81f7 MC |
4914 | s->rlayer.wrlmethod->set1_bio(s->rlayer.wrl, s->wbio); |
4915 | ||
46417569 | 4916 | return 1; |
0f113f3e | 4917 | } |
413c4f45 | 4918 | |
38b051a1 | 4919 | int ssl_free_wbio_buffer(SSL_CONNECTION *s) |
0f113f3e | 4920 | { |
62adbcee | 4921 | /* callers ensure s is never null */ |
0f113f3e | 4922 | if (s->bbio == NULL) |
b77f3ed1 | 4923 | return 1; |
0f113f3e | 4924 | |
2e7dc7cd | 4925 | s->wbio = BIO_pop(s->wbio); |
b5cf81f7 MC |
4926 | s->rlayer.wrlmethod->set1_bio(s->rlayer.wrl, s->wbio); |
4927 | ||
0f113f3e MC |
4928 | BIO_free(s->bbio); |
4929 | s->bbio = NULL; | |
b77f3ed1 MC |
4930 | |
4931 | return 1; | |
0f113f3e MC |
4932 | } |
4933 | ||
4934 | void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode) | |
4935 | { | |
4936 | ctx->quiet_shutdown = mode; | |
4937 | } | |
58964a49 | 4938 | |
0821bcd4 | 4939 | int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx) |
0f113f3e | 4940 | { |
26a7d938 | 4941 | return ctx->quiet_shutdown; |
0f113f3e | 4942 | } |
58964a49 | 4943 | |
0f113f3e MC |
4944 | void SSL_set_quiet_shutdown(SSL *s, int mode) |
4945 | { | |
38b051a1 TM |
4946 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
4947 | ||
4948 | /* TODO(QUIC): Do we want this for QUIC? */ | |
4949 | if (sc == NULL) | |
4950 | return; | |
4951 | ||
4952 | sc->quiet_shutdown = mode; | |
0f113f3e | 4953 | } |
58964a49 | 4954 | |
0821bcd4 | 4955 | int SSL_get_quiet_shutdown(const SSL *s) |
0f113f3e | 4956 | { |
38b051a1 TM |
4957 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(s); |
4958 | ||
4959 | /* TODO(QUIC): Do we want this for QUIC? */ | |
4960 | if (sc == NULL) | |
4961 | return 0; | |
4962 | ||
4963 | return sc->quiet_shutdown; | |
0f113f3e | 4964 | } |
58964a49 | 4965 | |
0f113f3e MC |
4966 | void SSL_set_shutdown(SSL *s, int mode) |
4967 | { | |
38b051a1 TM |
4968 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
4969 | ||
4970 | /* TODO(QUIC): Do we want this for QUIC? */ | |
4971 | if (sc == NULL) | |
4972 | return; | |
4973 | ||
4974 | sc->shutdown = mode; | |
0f113f3e | 4975 | } |
58964a49 | 4976 | |
0821bcd4 | 4977 | int SSL_get_shutdown(const SSL *s) |
0f113f3e | 4978 | { |
38b051a1 TM |
4979 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(s); |
4980 | ||
4981 | /* TODO(QUIC): Do we want this for QUIC? */ | |
4982 | if (sc == NULL) | |
4983 | return 0; | |
4984 | ||
4985 | return sc->shutdown; | |
0f113f3e | 4986 | } |
58964a49 | 4987 | |
0821bcd4 | 4988 | int SSL_version(const SSL *s) |
0f113f3e | 4989 | { |
38b051a1 TM |
4990 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
4991 | ||
4992 | /* TODO(QUIC): Do we want to report QUIC version this way instead? */ | |
4993 | if (sc == NULL) | |
4994 | return 0; | |
4995 | ||
4996 | return sc->version; | |
6546e9b2 AG |
4997 | } |
4998 | ||
4999 | int SSL_client_version(const SSL *s) | |
5000 | { | |
38b051a1 TM |
5001 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5002 | ||
5003 | /* TODO(QUIC): Do we want to report QUIC version this way instead? */ | |
5004 | if (sc == NULL) | |
5005 | return 0; | |
5006 | ||
5007 | return sc->client_version; | |
0f113f3e | 5008 | } |
58964a49 | 5009 | |
0821bcd4 | 5010 | SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl) |
0f113f3e | 5011 | { |
6546e9b2 | 5012 | return ssl->ctx; |
0f113f3e MC |
5013 | } |
5014 | ||
5015 | SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx) | |
5016 | { | |
24a0d393 | 5017 | CERT *new_cert; |
38b051a1 TM |
5018 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(ssl); |
5019 | ||
5020 | /* TODO(QUIC): Do we need this for QUIC support? */ | |
5021 | if (sc == NULL) | |
5022 | return NULL; | |
5023 | ||
0f113f3e MC |
5024 | if (ssl->ctx == ctx) |
5025 | return ssl->ctx; | |
0f113f3e | 5026 | if (ctx == NULL) |
38b051a1 | 5027 | ctx = sc->session_ctx; |
24a0d393 KR |
5028 | new_cert = ssl_cert_dup(ctx->cert); |
5029 | if (new_cert == NULL) { | |
5030 | return NULL; | |
0f113f3e | 5031 | } |
21181889 | 5032 | |
38b051a1 | 5033 | if (!custom_exts_copy_flags(&new_cert->custext, &sc->cert->custext)) { |
21181889 MC |
5034 | ssl_cert_free(new_cert); |
5035 | return NULL; | |
5036 | } | |
5037 | ||
38b051a1 TM |
5038 | ssl_cert_free(sc->cert); |
5039 | sc->cert = new_cert; | |
0f113f3e MC |
5040 | |
5041 | /* | |
5042 | * Program invariant: |sid_ctx| has fixed size (SSL_MAX_SID_CTX_LENGTH), | |
5043 | * so setter APIs must prevent invalid lengths from entering the system. | |
5044 | */ | |
38b051a1 | 5045 | if (!ossl_assert(sc->sid_ctx_length <= sizeof(sc->sid_ctx))) |
380a522f | 5046 | return NULL; |
0f113f3e MC |
5047 | |
5048 | /* | |
5049 | * If the session ID context matches that of the parent SSL_CTX, | |
5050 | * inherit it from the new SSL_CTX as well. If however the context does | |
5051 | * not match (i.e., it was set per-ssl with SSL_set_session_id_context), | |
5052 | * leave it unchanged. | |
5053 | */ | |
5054 | if ((ssl->ctx != NULL) && | |
38b051a1 TM |
5055 | (sc->sid_ctx_length == ssl->ctx->sid_ctx_length) && |
5056 | (memcmp(sc->sid_ctx, ssl->ctx->sid_ctx, sc->sid_ctx_length) == 0)) { | |
5057 | sc->sid_ctx_length = ctx->sid_ctx_length; | |
5058 | memcpy(&sc->sid_ctx, &ctx->sid_ctx, sizeof(sc->sid_ctx)); | |
0f113f3e MC |
5059 | } |
5060 | ||
16203f7b | 5061 | SSL_CTX_up_ref(ctx); |
a230b26e | 5062 | SSL_CTX_free(ssl->ctx); /* decrement reference count */ |
0f113f3e MC |
5063 | ssl->ctx = ctx; |
5064 | ||
16203f7b | 5065 | return ssl->ctx; |
0f113f3e | 5066 | } |
ed3883d2 | 5067 | |
4f43d0e7 | 5068 | int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx) |
0f113f3e | 5069 | { |
d8652be0 MC |
5070 | return X509_STORE_set_default_paths_ex(ctx->cert_store, ctx->libctx, |
5071 | ctx->propq); | |
0f113f3e | 5072 | } |
58964a49 | 5073 | |
d84a7b20 MC |
5074 | int SSL_CTX_set_default_verify_dir(SSL_CTX *ctx) |
5075 | { | |
5076 | X509_LOOKUP *lookup; | |
5077 | ||
5078 | lookup = X509_STORE_add_lookup(ctx->cert_store, X509_LOOKUP_hash_dir()); | |
5079 | if (lookup == NULL) | |
5080 | return 0; | |
6dcb100f RL |
5081 | |
5082 | /* We ignore errors, in case the directory doesn't exist */ | |
5083 | ERR_set_mark(); | |
5084 | ||
d84a7b20 MC |
5085 | X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT); |
5086 | ||
6dcb100f | 5087 | ERR_pop_to_mark(); |
d84a7b20 MC |
5088 | |
5089 | return 1; | |
5090 | } | |
5091 | ||
5092 | int SSL_CTX_set_default_verify_file(SSL_CTX *ctx) | |
5093 | { | |
5094 | X509_LOOKUP *lookup; | |
5095 | ||
5096 | lookup = X509_STORE_add_lookup(ctx->cert_store, X509_LOOKUP_file()); | |
5097 | if (lookup == NULL) | |
5098 | return 0; | |
5099 | ||
492bc359 | 5100 | /* We ignore errors, in case the file doesn't exist */ |
6dcb100f RL |
5101 | ERR_set_mark(); |
5102 | ||
d8652be0 MC |
5103 | X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT, ctx->libctx, |
5104 | ctx->propq); | |
d84a7b20 | 5105 | |
6dcb100f RL |
5106 | ERR_pop_to_mark(); |
5107 | ||
5108 | return 1; | |
5109 | } | |
5110 | ||
5111 | int SSL_CTX_set_default_verify_store(SSL_CTX *ctx) | |
5112 | { | |
5113 | X509_LOOKUP *lookup; | |
5114 | ||
5115 | lookup = X509_STORE_add_lookup(ctx->cert_store, X509_LOOKUP_store()); | |
5116 | if (lookup == NULL) | |
5117 | return 0; | |
5118 | ||
5119 | /* We ignore errors, in case the directory doesn't exist */ | |
5120 | ERR_set_mark(); | |
5121 | ||
d8652be0 | 5122 | X509_LOOKUP_add_store_ex(lookup, NULL, ctx->libctx, ctx->propq); |
6dcb100f RL |
5123 | |
5124 | ERR_pop_to_mark(); | |
d84a7b20 MC |
5125 | |
5126 | return 1; | |
5127 | } | |
5128 | ||
6dcb100f RL |
5129 | int SSL_CTX_load_verify_file(SSL_CTX *ctx, const char *CAfile) |
5130 | { | |
d8652be0 MC |
5131 | return X509_STORE_load_file_ex(ctx->cert_store, CAfile, ctx->libctx, |
5132 | ctx->propq); | |
6dcb100f RL |
5133 | } |
5134 | ||
5135 | int SSL_CTX_load_verify_dir(SSL_CTX *ctx, const char *CApath) | |
5136 | { | |
5137 | return X509_STORE_load_path(ctx->cert_store, CApath); | |
5138 | } | |
5139 | ||
5140 | int SSL_CTX_load_verify_store(SSL_CTX *ctx, const char *CAstore) | |
5141 | { | |
d8652be0 MC |
5142 | return X509_STORE_load_store_ex(ctx->cert_store, CAstore, ctx->libctx, |
5143 | ctx->propq); | |
6dcb100f RL |
5144 | } |
5145 | ||
303c0028 | 5146 | int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile, |
0f113f3e MC |
5147 | const char *CApath) |
5148 | { | |
6dcb100f RL |
5149 | if (CAfile == NULL && CApath == NULL) |
5150 | return 0; | |
5151 | if (CAfile != NULL && !SSL_CTX_load_verify_file(ctx, CAfile)) | |
5152 | return 0; | |
5153 | if (CApath != NULL && !SSL_CTX_load_verify_dir(ctx, CApath)) | |
5154 | return 0; | |
5155 | return 1; | |
0f113f3e | 5156 | } |
58964a49 | 5157 | |
45d87a1f | 5158 | void SSL_set_info_callback(SSL *ssl, |
0f113f3e MC |
5159 | void (*cb) (const SSL *ssl, int type, int val)) |
5160 | { | |
38b051a1 TM |
5161 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
5162 | ||
5163 | if (sc == NULL) | |
5164 | return; | |
5165 | ||
5166 | sc->info_callback = cb; | |
0f113f3e MC |
5167 | } |
5168 | ||
5169 | /* | |
5170 | * One compiler (Diab DCC) doesn't like argument names in returned function | |
5171 | * pointer. | |
5172 | */ | |
5173 | void (*SSL_get_info_callback(const SSL *ssl)) (const SSL * /* ssl */ , | |
5174 | int /* type */ , | |
5175 | int /* val */ ) { | |
38b051a1 TM |
5176 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl); |
5177 | ||
5178 | if (sc == NULL) | |
5179 | return NULL; | |
5180 | ||
5181 | return sc->info_callback; | |
0f113f3e | 5182 | } |
58964a49 | 5183 | |
0f113f3e MC |
5184 | void SSL_set_verify_result(SSL *ssl, long arg) |
5185 | { | |
38b051a1 TM |
5186 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
5187 | ||
5188 | if (sc == NULL) | |
5189 | return; | |
5190 | ||
5191 | sc->verify_result = arg; | |
0f113f3e | 5192 | } |
58964a49 | 5193 | |
0821bcd4 | 5194 | long SSL_get_verify_result(const SSL *ssl) |
0f113f3e | 5195 | { |
38b051a1 TM |
5196 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl); |
5197 | ||
5198 | if (sc == NULL) | |
5199 | return 0; | |
5200 | ||
5201 | return sc->verify_result; | |
0f113f3e MC |
5202 | } |
5203 | ||
d9f1c639 | 5204 | size_t SSL_get_client_random(const SSL *ssl, unsigned char *out, size_t outlen) |
858618e7 | 5205 | { |
38b051a1 TM |
5206 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl); |
5207 | ||
5208 | if (sc == NULL) | |
5209 | return 0; | |
5210 | ||
6b8f5d0d | 5211 | if (outlen == 0) |
38b051a1 TM |
5212 | return sizeof(sc->s3.client_random); |
5213 | if (outlen > sizeof(sc->s3.client_random)) | |
5214 | outlen = sizeof(sc->s3.client_random); | |
5215 | memcpy(out, sc->s3.client_random, outlen); | |
d9f1c639 | 5216 | return outlen; |
858618e7 NM |
5217 | } |
5218 | ||
d9f1c639 | 5219 | size_t SSL_get_server_random(const SSL *ssl, unsigned char *out, size_t outlen) |
858618e7 | 5220 | { |
38b051a1 TM |
5221 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl); |
5222 | ||
5223 | if (sc == NULL) | |
5224 | return 0; | |
5225 | ||
6b8f5d0d | 5226 | if (outlen == 0) |
38b051a1 TM |
5227 | return sizeof(sc->s3.server_random); |
5228 | if (outlen > sizeof(sc->s3.server_random)) | |
5229 | outlen = sizeof(sc->s3.server_random); | |
5230 | memcpy(out, sc->s3.server_random, outlen); | |
d9f1c639 | 5231 | return outlen; |
858618e7 NM |
5232 | } |
5233 | ||
d9f1c639 | 5234 | size_t SSL_SESSION_get_master_key(const SSL_SESSION *session, |
a230b26e | 5235 | unsigned char *out, size_t outlen) |
858618e7 | 5236 | { |
d9f1c639 MC |
5237 | if (outlen == 0) |
5238 | return session->master_key_length; | |
8c1a5343 | 5239 | if (outlen > session->master_key_length) |
858618e7 NM |
5240 | outlen = session->master_key_length; |
5241 | memcpy(out, session->master_key, outlen); | |
d9f1c639 | 5242 | return outlen; |
858618e7 NM |
5243 | } |
5244 | ||
725b0f1e | 5245 | int SSL_SESSION_set1_master_key(SSL_SESSION *sess, const unsigned char *in, |
911d63f2 MC |
5246 | size_t len) |
5247 | { | |
5248 | if (len > sizeof(sess->master_key)) | |
5249 | return 0; | |
5250 | ||
5251 | memcpy(sess->master_key, in, len); | |
5252 | sess->master_key_length = len; | |
911d63f2 MC |
5253 | return 1; |
5254 | } | |
5255 | ||
5256 | ||
0f113f3e MC |
5257 | int SSL_set_ex_data(SSL *s, int idx, void *arg) |
5258 | { | |
26a7d938 | 5259 | return CRYPTO_set_ex_data(&s->ex_data, idx, arg); |
0f113f3e MC |
5260 | } |
5261 | ||
5262 | void *SSL_get_ex_data(const SSL *s, int idx) | |
5263 | { | |
26a7d938 | 5264 | return CRYPTO_get_ex_data(&s->ex_data, idx); |
0f113f3e MC |
5265 | } |
5266 | ||
0f113f3e MC |
5267 | int SSL_CTX_set_ex_data(SSL_CTX *s, int idx, void *arg) |
5268 | { | |
26a7d938 | 5269 | return CRYPTO_set_ex_data(&s->ex_data, idx, arg); |
0f113f3e MC |
5270 | } |
5271 | ||
5272 | void *SSL_CTX_get_ex_data(const SSL_CTX *s, int idx) | |
5273 | { | |
26a7d938 | 5274 | return CRYPTO_get_ex_data(&s->ex_data, idx); |
0f113f3e | 5275 | } |
58964a49 | 5276 | |
0821bcd4 | 5277 | X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx) |
0f113f3e | 5278 | { |
26a7d938 | 5279 | return ctx->cert_store; |
0f113f3e | 5280 | } |
413c4f45 | 5281 | |
0f113f3e MC |
5282 | void SSL_CTX_set_cert_store(SSL_CTX *ctx, X509_STORE *store) |
5283 | { | |
222561fe | 5284 | X509_STORE_free(ctx->cert_store); |
0f113f3e MC |
5285 | ctx->cert_store = store; |
5286 | } | |
413c4f45 | 5287 | |
b50052db TS |
5288 | void SSL_CTX_set1_cert_store(SSL_CTX *ctx, X509_STORE *store) |
5289 | { | |
5290 | if (store != NULL) | |
5291 | X509_STORE_up_ref(store); | |
5292 | SSL_CTX_set_cert_store(ctx, store); | |
5293 | } | |
5294 | ||
0821bcd4 | 5295 | int SSL_want(const SSL *s) |
0f113f3e | 5296 | { |
38b051a1 TM |
5297 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5298 | ||
5299 | if (sc == NULL) | |
5300 | return SSL_NOTHING; | |
5301 | ||
5302 | return sc->rwstate; | |
0f113f3e | 5303 | } |
413c4f45 | 5304 | |
ddac1974 NL |
5305 | #ifndef OPENSSL_NO_PSK |
5306 | int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint) | |
0f113f3e MC |
5307 | { |
5308 | if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) { | |
6849b73c | 5309 | ERR_raise(ERR_LIB_SSL, SSL_R_DATA_LENGTH_TOO_LONG); |
0f113f3e MC |
5310 | return 0; |
5311 | } | |
df6da24b | 5312 | OPENSSL_free(ctx->cert->psk_identity_hint); |
0f113f3e | 5313 | if (identity_hint != NULL) { |
7644a9ae | 5314 | ctx->cert->psk_identity_hint = OPENSSL_strdup(identity_hint); |
df6da24b | 5315 | if (ctx->cert->psk_identity_hint == NULL) |
0f113f3e MC |
5316 | return 0; |
5317 | } else | |
df6da24b | 5318 | ctx->cert->psk_identity_hint = NULL; |
0f113f3e MC |
5319 | return 1; |
5320 | } | |
ddac1974 NL |
5321 | |
5322 | int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint) | |
0f113f3e | 5323 | { |
38b051a1 TM |
5324 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5325 | ||
5326 | if (sc == NULL) | |
0f113f3e MC |
5327 | return 0; |
5328 | ||
0f113f3e | 5329 | if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) { |
6849b73c | 5330 | ERR_raise(ERR_LIB_SSL, SSL_R_DATA_LENGTH_TOO_LONG); |
0f113f3e MC |
5331 | return 0; |
5332 | } | |
38b051a1 | 5333 | OPENSSL_free(sc->cert->psk_identity_hint); |
0f113f3e | 5334 | if (identity_hint != NULL) { |
38b051a1 TM |
5335 | sc->cert->psk_identity_hint = OPENSSL_strdup(identity_hint); |
5336 | if (sc->cert->psk_identity_hint == NULL) | |
0f113f3e MC |
5337 | return 0; |
5338 | } else | |
38b051a1 | 5339 | sc->cert->psk_identity_hint = NULL; |
0f113f3e MC |
5340 | return 1; |
5341 | } | |
ddac1974 NL |
5342 | |
5343 | const char *SSL_get_psk_identity_hint(const SSL *s) | |
0f113f3e | 5344 | { |
38b051a1 TM |
5345 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5346 | ||
5347 | if (sc == NULL || sc->session == NULL) | |
0f113f3e | 5348 | return NULL; |
38b051a1 TM |
5349 | |
5350 | return sc->session->psk_identity_hint; | |
0f113f3e | 5351 | } |
ddac1974 NL |
5352 | |
5353 | const char *SSL_get_psk_identity(const SSL *s) | |
0f113f3e | 5354 | { |
38b051a1 TM |
5355 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5356 | ||
5357 | if (sc == NULL || sc->session == NULL) | |
0f113f3e | 5358 | return NULL; |
38b051a1 TM |
5359 | |
5360 | return sc->session->psk_identity; | |
0f113f3e | 5361 | } |
7806f3dd | 5362 | |
8cbfcc70 | 5363 | void SSL_set_psk_client_callback(SSL *s, SSL_psk_client_cb_func cb) |
0f113f3e | 5364 | { |
38b051a1 TM |
5365 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5366 | ||
5367 | if (sc == NULL) | |
5368 | return; | |
5369 | ||
5370 | sc->psk_client_callback = cb; | |
0f113f3e | 5371 | } |
7806f3dd | 5372 | |
8cbfcc70 | 5373 | void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx, SSL_psk_client_cb_func cb) |
0f113f3e MC |
5374 | { |
5375 | ctx->psk_client_callback = cb; | |
5376 | } | |
7806f3dd | 5377 | |
8cbfcc70 | 5378 | void SSL_set_psk_server_callback(SSL *s, SSL_psk_server_cb_func cb) |
0f113f3e | 5379 | { |
38b051a1 TM |
5380 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5381 | ||
5382 | if (sc == NULL) | |
5383 | return; | |
5384 | ||
5385 | sc->psk_server_callback = cb; | |
0f113f3e | 5386 | } |
7806f3dd | 5387 | |
8cbfcc70 | 5388 | void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx, SSL_psk_server_cb_func cb) |
0f113f3e MC |
5389 | { |
5390 | ctx->psk_server_callback = cb; | |
5391 | } | |
5392 | #endif | |
5393 | ||
f46184bd MC |
5394 | void SSL_set_psk_find_session_callback(SSL *s, SSL_psk_find_session_cb_func cb) |
5395 | { | |
38b051a1 TM |
5396 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5397 | ||
5398 | if (sc == NULL) | |
5399 | return; | |
5400 | ||
5401 | sc->psk_find_session_cb = cb; | |
f46184bd MC |
5402 | } |
5403 | ||
5404 | void SSL_CTX_set_psk_find_session_callback(SSL_CTX *ctx, | |
5405 | SSL_psk_find_session_cb_func cb) | |
5406 | { | |
5407 | ctx->psk_find_session_cb = cb; | |
5408 | } | |
5409 | ||
5410 | void SSL_set_psk_use_session_callback(SSL *s, SSL_psk_use_session_cb_func cb) | |
5411 | { | |
38b051a1 TM |
5412 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5413 | ||
5414 | if (sc == NULL) | |
5415 | return; | |
5416 | ||
5417 | sc->psk_use_session_cb = cb; | |
f46184bd MC |
5418 | } |
5419 | ||
5420 | void SSL_CTX_set_psk_use_session_callback(SSL_CTX *ctx, | |
5421 | SSL_psk_use_session_cb_func cb) | |
5422 | { | |
5423 | ctx->psk_use_session_cb = cb; | |
5424 | } | |
5425 | ||
0f113f3e MC |
5426 | void SSL_CTX_set_msg_callback(SSL_CTX *ctx, |
5427 | void (*cb) (int write_p, int version, | |
5428 | int content_type, const void *buf, | |
5429 | size_t len, SSL *ssl, void *arg)) | |
5430 | { | |
5431 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb); | |
5432 | } | |
5433 | ||
5434 | void SSL_set_msg_callback(SSL *ssl, | |
5435 | void (*cb) (int write_p, int version, | |
5436 | int content_type, const void *buf, | |
5437 | size_t len, SSL *ssl, void *arg)) | |
5438 | { | |
5439 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb); | |
5440 | } | |
a661b653 | 5441 | |
7c2d4fee | 5442 | void SSL_CTX_set_not_resumable_session_callback(SSL_CTX *ctx, |
0f113f3e MC |
5443 | int (*cb) (SSL *ssl, |
5444 | int | |
5445 | is_forward_secure)) | |
5446 | { | |
5447 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB, | |
5448 | (void (*)(void))cb); | |
5449 | } | |
5450 | ||
7c2d4fee | 5451 | void SSL_set_not_resumable_session_callback(SSL *ssl, |
0f113f3e MC |
5452 | int (*cb) (SSL *ssl, |
5453 | int is_forward_secure)) | |
5454 | { | |
5455 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB, | |
5456 | (void (*)(void))cb); | |
5457 | } | |
5458 | ||
c649d10d TS |
5459 | void SSL_CTX_set_record_padding_callback(SSL_CTX *ctx, |
5460 | size_t (*cb) (SSL *ssl, int type, | |
5461 | size_t len, void *arg)) | |
5462 | { | |
5463 | ctx->record_padding_cb = cb; | |
5464 | } | |
5465 | ||
5466 | void SSL_CTX_set_record_padding_callback_arg(SSL_CTX *ctx, void *arg) | |
5467 | { | |
5468 | ctx->record_padding_arg = arg; | |
5469 | } | |
5470 | ||
3499327b | 5471 | void *SSL_CTX_get_record_padding_callback_arg(const SSL_CTX *ctx) |
c649d10d TS |
5472 | { |
5473 | return ctx->record_padding_arg; | |
5474 | } | |
5475 | ||
5476 | int SSL_CTX_set_block_padding(SSL_CTX *ctx, size_t block_size) | |
5477 | { | |
5478 | /* block size of 0 or 1 is basically no padding */ | |
5479 | if (block_size == 1) | |
5480 | ctx->block_padding = 0; | |
5481 | else if (block_size <= SSL3_RT_MAX_PLAIN_LENGTH) | |
5482 | ctx->block_padding = block_size; | |
5483 | else | |
5484 | return 0; | |
5485 | return 1; | |
5486 | } | |
5487 | ||
a6d36303 | 5488 | int SSL_set_record_padding_callback(SSL *ssl, |
c649d10d TS |
5489 | size_t (*cb) (SSL *ssl, int type, |
5490 | size_t len, void *arg)) | |
5491 | { | |
a6d36303 | 5492 | BIO *b; |
38b051a1 TM |
5493 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
5494 | ||
5495 | if (sc == NULL) | |
5496 | return 0; | |
a6d36303 VF |
5497 | |
5498 | b = SSL_get_wbio(ssl); | |
5499 | if (b == NULL || !BIO_get_ktls_send(b)) { | |
eb7d6c2a | 5500 | sc->rlayer.record_padding_cb = cb; |
a6d36303 VF |
5501 | return 1; |
5502 | } | |
5503 | return 0; | |
c649d10d TS |
5504 | } |
5505 | ||
5506 | void SSL_set_record_padding_callback_arg(SSL *ssl, void *arg) | |
5507 | { | |
38b051a1 TM |
5508 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
5509 | ||
5510 | if (sc == NULL) | |
5511 | return; | |
5512 | ||
eb7d6c2a | 5513 | sc->rlayer.record_padding_arg = arg; |
c649d10d TS |
5514 | } |
5515 | ||
3499327b | 5516 | void *SSL_get_record_padding_callback_arg(const SSL *ssl) |
c649d10d | 5517 | { |
38b051a1 TM |
5518 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl); |
5519 | ||
5520 | if (sc == NULL) | |
5521 | return NULL; | |
5522 | ||
eb7d6c2a | 5523 | return sc->rlayer.record_padding_arg; |
c649d10d TS |
5524 | } |
5525 | ||
5526 | int SSL_set_block_padding(SSL *ssl, size_t block_size) | |
5527 | { | |
38b051a1 TM |
5528 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
5529 | ||
5530 | if (sc == NULL) | |
5531 | return 0; | |
5532 | ||
c649d10d TS |
5533 | /* block size of 0 or 1 is basically no padding */ |
5534 | if (block_size == 1) | |
eb7d6c2a | 5535 | sc->rlayer.block_padding = 0; |
c649d10d | 5536 | else if (block_size <= SSL3_RT_MAX_PLAIN_LENGTH) |
eb7d6c2a | 5537 | sc->rlayer.block_padding = block_size; |
c649d10d TS |
5538 | else |
5539 | return 0; | |
5540 | return 1; | |
5541 | } | |
5542 | ||
9d0a8bb7 MC |
5543 | int SSL_set_num_tickets(SSL *s, size_t num_tickets) |
5544 | { | |
38b051a1 TM |
5545 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5546 | ||
5547 | if (sc == NULL) | |
5548 | return 0; | |
5549 | ||
5550 | sc->num_tickets = num_tickets; | |
9d0a8bb7 MC |
5551 | |
5552 | return 1; | |
5553 | } | |
5554 | ||
3499327b | 5555 | size_t SSL_get_num_tickets(const SSL *s) |
9d0a8bb7 | 5556 | { |
38b051a1 TM |
5557 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5558 | ||
5559 | if (sc == NULL) | |
5560 | return 0; | |
5561 | ||
5562 | return sc->num_tickets; | |
9d0a8bb7 MC |
5563 | } |
5564 | ||
5565 | int SSL_CTX_set_num_tickets(SSL_CTX *ctx, size_t num_tickets) | |
5566 | { | |
5567 | ctx->num_tickets = num_tickets; | |
5568 | ||
5569 | return 1; | |
5570 | } | |
5571 | ||
3499327b | 5572 | size_t SSL_CTX_get_num_tickets(const SSL_CTX *ctx) |
9d0a8bb7 MC |
5573 | { |
5574 | return ctx->num_tickets; | |
5575 | } | |
5576 | ||
48fbcbac | 5577 | /* Retrieve handshake hashes */ |
38b051a1 TM |
5578 | int ssl_handshake_hash(SSL_CONNECTION *s, |
5579 | unsigned char *out, size_t outlen, | |
8c1a5343 | 5580 | size_t *hashlen) |
48fbcbac | 5581 | { |
6e59a892 | 5582 | EVP_MD_CTX *ctx = NULL; |
555cbb32 | 5583 | EVP_MD_CTX *hdgst = s->s3.handshake_dgst; |
ed576acd | 5584 | int hashleni = EVP_MD_CTX_get_size(hdgst); |
8c1a5343 MC |
5585 | int ret = 0; |
5586 | ||
f63a17d6 | 5587 | if (hashleni < 0 || (size_t)hashleni > outlen) { |
c48ffbcc | 5588 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); |
28ba2541 | 5589 | goto err; |
f63a17d6 | 5590 | } |
8c1a5343 | 5591 | |
bfb0641f | 5592 | ctx = EVP_MD_CTX_new(); |
147ed5f9 TL |
5593 | if (ctx == NULL) { |
5594 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); | |
6e59a892 | 5595 | goto err; |
147ed5f9 | 5596 | } |
8c1a5343 | 5597 | |
6e59a892 | 5598 | if (!EVP_MD_CTX_copy_ex(ctx, hdgst) |
f63a17d6 | 5599 | || EVP_DigestFinal_ex(ctx, out, NULL) <= 0) { |
c48ffbcc | 5600 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); |
8c1a5343 | 5601 | goto err; |
f63a17d6 | 5602 | } |
8c1a5343 MC |
5603 | |
5604 | *hashlen = hashleni; | |
5605 | ||
5606 | ret = 1; | |
48fbcbac | 5607 | err: |
bfb0641f | 5608 | EVP_MD_CTX_free(ctx); |
48fbcbac DSH |
5609 | return ret; |
5610 | } | |
5611 | ||
c04b66b1 | 5612 | int SSL_session_reused(const SSL *s) |
0f113f3e | 5613 | { |
38b051a1 TM |
5614 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5615 | ||
5616 | if (sc == NULL) | |
5617 | return 0; | |
5618 | ||
5619 | return sc->hit; | |
0f113f3e | 5620 | } |
08557cf2 | 5621 | |
69443116 | 5622 | int SSL_is_server(const SSL *s) |
0f113f3e | 5623 | { |
38b051a1 TM |
5624 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5625 | ||
5626 | if (sc == NULL) | |
5627 | return 0; | |
5628 | ||
5629 | return sc->server; | |
0f113f3e | 5630 | } |
87adf1fa | 5631 | |
00db8c60 | 5632 | #ifndef OPENSSL_NO_DEPRECATED_1_1_0 |
47153c72 RS |
5633 | void SSL_set_debug(SSL *s, int debug) |
5634 | { | |
5635 | /* Old function was do-nothing anyway... */ | |
5636 | (void)s; | |
5637 | (void)debug; | |
5638 | } | |
5639 | #endif | |
5640 | ||
b362ccab | 5641 | void SSL_set_security_level(SSL *s, int level) |
0f113f3e | 5642 | { |
38b051a1 TM |
5643 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5644 | ||
5645 | if (sc == NULL) | |
5646 | return; | |
5647 | ||
5648 | sc->cert->sec_level = level; | |
0f113f3e | 5649 | } |
b362ccab DSH |
5650 | |
5651 | int SSL_get_security_level(const SSL *s) | |
0f113f3e | 5652 | { |
38b051a1 TM |
5653 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5654 | ||
5655 | if (sc == NULL) | |
5656 | return 0; | |
5657 | ||
5658 | return sc->cert->sec_level; | |
0f113f3e | 5659 | } |
b362ccab | 5660 | |
0f113f3e | 5661 | void SSL_set_security_callback(SSL *s, |
a230b26e EK |
5662 | int (*cb) (const SSL *s, const SSL_CTX *ctx, |
5663 | int op, int bits, int nid, | |
5664 | void *other, void *ex)) | |
0f113f3e | 5665 | { |
38b051a1 TM |
5666 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5667 | ||
5668 | if (sc == NULL) | |
5669 | return; | |
5670 | ||
5671 | sc->cert->sec_cb = cb; | |
0f113f3e | 5672 | } |
b362ccab | 5673 | |
a230b26e EK |
5674 | int (*SSL_get_security_callback(const SSL *s)) (const SSL *s, |
5675 | const SSL_CTX *ctx, int op, | |
5676 | int bits, int nid, void *other, | |
5677 | void *ex) { | |
38b051a1 TM |
5678 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5679 | ||
5680 | if (sc == NULL) | |
5681 | return NULL; | |
5682 | ||
5683 | return sc->cert->sec_cb; | |
0f113f3e | 5684 | } |
b362ccab DSH |
5685 | |
5686 | void SSL_set0_security_ex_data(SSL *s, void *ex) | |
0f113f3e | 5687 | { |
38b051a1 TM |
5688 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5689 | ||
5690 | if (sc == NULL) | |
5691 | return; | |
5692 | ||
5693 | sc->cert->sec_ex = ex; | |
0f113f3e | 5694 | } |
b362ccab DSH |
5695 | |
5696 | void *SSL_get0_security_ex_data(const SSL *s) | |
0f113f3e | 5697 | { |
38b051a1 TM |
5698 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5699 | ||
5700 | if (sc == NULL) | |
5701 | return NULL; | |
5702 | ||
5703 | return sc->cert->sec_ex; | |
0f113f3e | 5704 | } |
b362ccab DSH |
5705 | |
5706 | void SSL_CTX_set_security_level(SSL_CTX *ctx, int level) | |
0f113f3e MC |
5707 | { |
5708 | ctx->cert->sec_level = level; | |
5709 | } | |
b362ccab DSH |
5710 | |
5711 | int SSL_CTX_get_security_level(const SSL_CTX *ctx) | |
0f113f3e MC |
5712 | { |
5713 | return ctx->cert->sec_level; | |
5714 | } | |
b362ccab | 5715 | |
0f113f3e | 5716 | void SSL_CTX_set_security_callback(SSL_CTX *ctx, |
a230b26e EK |
5717 | int (*cb) (const SSL *s, const SSL_CTX *ctx, |
5718 | int op, int bits, int nid, | |
5719 | void *other, void *ex)) | |
0f113f3e MC |
5720 | { |
5721 | ctx->cert->sec_cb = cb; | |
5722 | } | |
b362ccab | 5723 | |
e4646a89 KR |
5724 | int (*SSL_CTX_get_security_callback(const SSL_CTX *ctx)) (const SSL *s, |
5725 | const SSL_CTX *ctx, | |
0f113f3e MC |
5726 | int op, int bits, |
5727 | int nid, | |
5728 | void *other, | |
5729 | void *ex) { | |
5730 | return ctx->cert->sec_cb; | |
5731 | } | |
b362ccab DSH |
5732 | |
5733 | void SSL_CTX_set0_security_ex_data(SSL_CTX *ctx, void *ex) | |
0f113f3e MC |
5734 | { |
5735 | ctx->cert->sec_ex = ex; | |
5736 | } | |
b362ccab DSH |
5737 | |
5738 | void *SSL_CTX_get0_security_ex_data(const SSL_CTX *ctx) | |
0f113f3e MC |
5739 | { |
5740 | return ctx->cert->sec_ex; | |
5741 | } | |
b362ccab | 5742 | |
56bd1783 | 5743 | uint64_t SSL_CTX_get_options(const SSL_CTX *ctx) |
8106cb8b VD |
5744 | { |
5745 | return ctx->options; | |
5746 | } | |
a230b26e | 5747 | |
56bd1783 | 5748 | uint64_t SSL_get_options(const SSL *s) |
8106cb8b | 5749 | { |
38b051a1 TM |
5750 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5751 | ||
5752 | if (sc == NULL) | |
5753 | return 0; | |
5754 | ||
5755 | return sc->options; | |
8106cb8b | 5756 | } |
a230b26e | 5757 | |
56bd1783 | 5758 | uint64_t SSL_CTX_set_options(SSL_CTX *ctx, uint64_t op) |
8106cb8b VD |
5759 | { |
5760 | return ctx->options |= op; | |
5761 | } | |
a230b26e | 5762 | |
56bd1783 | 5763 | uint64_t SSL_set_options(SSL *s, uint64_t op) |
8106cb8b | 5764 | { |
38b051a1 | 5765 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4566dae7 | 5766 | OSSL_PARAM options[2], *opts = options; |
38b051a1 TM |
5767 | |
5768 | if (sc == NULL) | |
5769 | return 0; | |
5770 | ||
4566dae7 MC |
5771 | sc->options |= op; |
5772 | ||
5773 | *opts++ = OSSL_PARAM_construct_uint64(OSSL_LIBSSL_RECORD_LAYER_PARAM_OPTIONS, | |
5774 | &sc->options); | |
5775 | *opts = OSSL_PARAM_construct_end(); | |
5776 | ||
5777 | /* Ignore return value */ | |
5778 | sc->rlayer.rrlmethod->set_options(sc->rlayer.rrl, options); | |
5779 | ||
5780 | return sc->options; | |
8106cb8b | 5781 | } |
a230b26e | 5782 | |
56bd1783 | 5783 | uint64_t SSL_CTX_clear_options(SSL_CTX *ctx, uint64_t op) |
8106cb8b VD |
5784 | { |
5785 | return ctx->options &= ~op; | |
5786 | } | |
a230b26e | 5787 | |
56bd1783 | 5788 | uint64_t SSL_clear_options(SSL *s, uint64_t op) |
8106cb8b | 5789 | { |
38b051a1 TM |
5790 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5791 | ||
5792 | if (sc == NULL) | |
5793 | return 0; | |
5794 | ||
5795 | return sc->options &= ~op; | |
8106cb8b VD |
5796 | } |
5797 | ||
696178ed DSH |
5798 | STACK_OF(X509) *SSL_get0_verified_chain(const SSL *s) |
5799 | { | |
38b051a1 TM |
5800 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5801 | ||
5802 | if (sc == NULL) | |
5803 | return NULL; | |
5804 | ||
5805 | return sc->verified_chain; | |
696178ed DSH |
5806 | } |
5807 | ||
0f113f3e | 5808 | IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); |
ed29e82a RP |
5809 | |
5810 | #ifndef OPENSSL_NO_CT | |
5811 | ||
5812 | /* | |
5813 | * Moves SCTs from the |src| stack to the |dst| stack. | |
5814 | * The source of each SCT will be set to |origin|. | |
5815 | * If |dst| points to a NULL pointer, a new stack will be created and owned by | |
5816 | * the caller. | |
5817 | * Returns the number of SCTs moved, or a negative integer if an error occurs. | |
5818 | */ | |
a230b26e EK |
5819 | static int ct_move_scts(STACK_OF(SCT) **dst, STACK_OF(SCT) *src, |
5820 | sct_source_t origin) | |
ed29e82a RP |
5821 | { |
5822 | int scts_moved = 0; | |
5823 | SCT *sct = NULL; | |
5824 | ||
5825 | if (*dst == NULL) { | |
5826 | *dst = sk_SCT_new_null(); | |
5827 | if (*dst == NULL) { | |
e077455e | 5828 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
ed29e82a RP |
5829 | goto err; |
5830 | } | |
5831 | } | |
5832 | ||
a8086e6b | 5833 | while ((sct = sk_SCT_pop(src)) != NULL) { |
ed29e82a RP |
5834 | if (SCT_set_source(sct, origin) != 1) |
5835 | goto err; | |
5836 | ||
5837 | if (sk_SCT_push(*dst, sct) <= 0) | |
5838 | goto err; | |
5839 | scts_moved += 1; | |
5840 | } | |
5841 | ||
5842 | return scts_moved; | |
a230b26e | 5843 | err: |
ed29e82a | 5844 | if (sct != NULL) |
a230b26e | 5845 | sk_SCT_push(src, sct); /* Put the SCT back */ |
cc7113e8 | 5846 | return -1; |
ed29e82a RP |
5847 | } |
5848 | ||
5849 | /* | |
a230b26e | 5850 | * Look for data collected during ServerHello and parse if found. |
6b13bd1d | 5851 | * Returns the number of SCTs extracted. |
a230b26e | 5852 | */ |
38b051a1 | 5853 | static int ct_extract_tls_extension_scts(SSL_CONNECTION *s) |
ed29e82a RP |
5854 | { |
5855 | int scts_extracted = 0; | |
5856 | ||
aff8c126 RS |
5857 | if (s->ext.scts != NULL) { |
5858 | const unsigned char *p = s->ext.scts; | |
5859 | STACK_OF(SCT) *scts = o2i_SCT_LIST(NULL, &p, s->ext.scts_len); | |
ed29e82a RP |
5860 | |
5861 | scts_extracted = ct_move_scts(&s->scts, scts, SCT_SOURCE_TLS_EXTENSION); | |
5862 | ||
5863 | SCT_LIST_free(scts); | |
5864 | } | |
5865 | ||
5866 | return scts_extracted; | |
5867 | } | |
5868 | ||
5869 | /* | |
5870 | * Checks for an OCSP response and then attempts to extract any SCTs found if it | |
5871 | * contains an SCT X509 extension. They will be stored in |s->scts|. | |
5872 | * Returns: | |
5873 | * - The number of SCTs extracted, assuming an OCSP response exists. | |
5874 | * - 0 if no OCSP response exists or it contains no SCTs. | |
5875 | * - A negative integer if an error occurs. | |
5876 | */ | |
38b051a1 | 5877 | static int ct_extract_ocsp_response_scts(SSL_CONNECTION *s) |
ed29e82a | 5878 | { |
a230b26e | 5879 | # ifndef OPENSSL_NO_OCSP |
ed29e82a RP |
5880 | int scts_extracted = 0; |
5881 | const unsigned char *p; | |
5882 | OCSP_BASICRESP *br = NULL; | |
5883 | OCSP_RESPONSE *rsp = NULL; | |
5884 | STACK_OF(SCT) *scts = NULL; | |
5885 | int i; | |
5886 | ||
aff8c126 | 5887 | if (s->ext.ocsp.resp == NULL || s->ext.ocsp.resp_len == 0) |
ed29e82a RP |
5888 | goto err; |
5889 | ||
aff8c126 RS |
5890 | p = s->ext.ocsp.resp; |
5891 | rsp = d2i_OCSP_RESPONSE(NULL, &p, (int)s->ext.ocsp.resp_len); | |
ed29e82a RP |
5892 | if (rsp == NULL) |
5893 | goto err; | |
5894 | ||
5895 | br = OCSP_response_get1_basic(rsp); | |
5896 | if (br == NULL) | |
5897 | goto err; | |
5898 | ||
5899 | for (i = 0; i < OCSP_resp_count(br); ++i) { | |
5900 | OCSP_SINGLERESP *single = OCSP_resp_get0(br, i); | |
5901 | ||
5902 | if (single == NULL) | |
5903 | continue; | |
5904 | ||
a230b26e EK |
5905 | scts = |
5906 | OCSP_SINGLERESP_get1_ext_d2i(single, NID_ct_cert_scts, NULL, NULL); | |
5907 | scts_extracted = | |
5908 | ct_move_scts(&s->scts, scts, SCT_SOURCE_OCSP_STAPLED_RESPONSE); | |
ed29e82a RP |
5909 | if (scts_extracted < 0) |
5910 | goto err; | |
5911 | } | |
a230b26e | 5912 | err: |
ed29e82a RP |
5913 | SCT_LIST_free(scts); |
5914 | OCSP_BASICRESP_free(br); | |
5915 | OCSP_RESPONSE_free(rsp); | |
5916 | return scts_extracted; | |
a230b26e | 5917 | # else |
3e41ac35 MC |
5918 | /* Behave as if no OCSP response exists */ |
5919 | return 0; | |
a230b26e | 5920 | # endif |
ed29e82a RP |
5921 | } |
5922 | ||
5923 | /* | |
5924 | * Attempts to extract SCTs from the peer certificate. | |
5925 | * Return the number of SCTs extracted, or a negative integer if an error | |
5926 | * occurs. | |
5927 | */ | |
38b051a1 | 5928 | static int ct_extract_x509v3_extension_scts(SSL_CONNECTION *s) |
ed29e82a RP |
5929 | { |
5930 | int scts_extracted = 0; | |
3f3c7d26 | 5931 | X509 *cert = s->session != NULL ? s->session->peer : NULL; |
ed29e82a RP |
5932 | |
5933 | if (cert != NULL) { | |
5934 | STACK_OF(SCT) *scts = | |
5935 | X509_get_ext_d2i(cert, NID_ct_precert_scts, NULL, NULL); | |
5936 | ||
5937 | scts_extracted = | |
5938 | ct_move_scts(&s->scts, scts, SCT_SOURCE_X509V3_EXTENSION); | |
5939 | ||
5940 | SCT_LIST_free(scts); | |
5941 | } | |
5942 | ||
5943 | return scts_extracted; | |
5944 | } | |
5945 | ||
5946 | /* | |
5947 | * Attempts to find all received SCTs by checking TLS extensions, the OCSP | |
5948 | * response (if it exists) and X509v3 extensions in the certificate. | |
5949 | * Returns NULL if an error occurs. | |
5950 | */ | |
5951 | const STACK_OF(SCT) *SSL_get0_peer_scts(SSL *s) | |
5952 | { | |
38b051a1 TM |
5953 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5954 | ||
5955 | if (sc == NULL) | |
5956 | return NULL; | |
5957 | ||
5958 | if (!sc->scts_parsed) { | |
5959 | if (ct_extract_tls_extension_scts(sc) < 0 || | |
5960 | ct_extract_ocsp_response_scts(sc) < 0 || | |
5961 | ct_extract_x509v3_extension_scts(sc) < 0) | |
ed29e82a RP |
5962 | goto err; |
5963 | ||
38b051a1 | 5964 | sc->scts_parsed = 1; |
ed29e82a | 5965 | } |
38b051a1 | 5966 | return sc->scts; |
a230b26e | 5967 | err: |
ed29e82a RP |
5968 | return NULL; |
5969 | } | |
5970 | ||
a230b26e | 5971 | static int ct_permissive(const CT_POLICY_EVAL_CTX * ctx, |
43341433 | 5972 | const STACK_OF(SCT) *scts, void *unused_arg) |
ed29e82a | 5973 | { |
43341433 VD |
5974 | return 1; |
5975 | } | |
5976 | ||
a230b26e | 5977 | static int ct_strict(const CT_POLICY_EVAL_CTX * ctx, |
43341433 VD |
5978 | const STACK_OF(SCT) *scts, void *unused_arg) |
5979 | { | |
5980 | int count = scts != NULL ? sk_SCT_num(scts) : 0; | |
5981 | int i; | |
ed29e82a | 5982 | |
43341433 VD |
5983 | for (i = 0; i < count; ++i) { |
5984 | SCT *sct = sk_SCT_value(scts, i); | |
5985 | int status = SCT_get_validation_status(sct); | |
5986 | ||
5987 | if (status == SCT_VALIDATION_STATUS_VALID) | |
5988 | return 1; | |
5989 | } | |
6849b73c | 5990 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_VALID_SCTS); |
43341433 VD |
5991 | return 0; |
5992 | } | |
5993 | ||
5994 | int SSL_set_ct_validation_callback(SSL *s, ssl_ct_validation_cb callback, | |
5995 | void *arg) | |
5996 | { | |
38b051a1 TM |
5997 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5998 | ||
5999 | if (sc == NULL) | |
6000 | return 0; | |
6001 | ||
ed29e82a RP |
6002 | /* |
6003 | * Since code exists that uses the custom extension handler for CT, look | |
6004 | * for this and throw an error if they have already registered to use CT. | |
6005 | */ | |
6006 | if (callback != NULL && SSL_CTX_has_client_custom_ext(s->ctx, | |
a230b26e EK |
6007 | TLSEXT_TYPE_signed_certificate_timestamp)) |
6008 | { | |
6849b73c | 6009 | ERR_raise(ERR_LIB_SSL, SSL_R_CUSTOM_EXT_HANDLER_ALREADY_INSTALLED); |
43341433 | 6010 | return 0; |
ed29e82a RP |
6011 | } |
6012 | ||
ed29e82a | 6013 | if (callback != NULL) { |
a230b26e EK |
6014 | /* |
6015 | * If we are validating CT, then we MUST accept SCTs served via OCSP | |
6016 | */ | |
ed29e82a | 6017 | if (!SSL_set_tlsext_status_type(s, TLSEXT_STATUSTYPE_ocsp)) |
43341433 | 6018 | return 0; |
ed29e82a RP |
6019 | } |
6020 | ||
38b051a1 TM |
6021 | sc->ct_validation_callback = callback; |
6022 | sc->ct_validation_callback_arg = arg; | |
43341433 VD |
6023 | |
6024 | return 1; | |
ed29e82a RP |
6025 | } |
6026 | ||
43341433 | 6027 | int SSL_CTX_set_ct_validation_callback(SSL_CTX *ctx, |
a230b26e | 6028 | ssl_ct_validation_cb callback, void *arg) |
ed29e82a | 6029 | { |
ed29e82a RP |
6030 | /* |
6031 | * Since code exists that uses the custom extension handler for CT, look for | |
6032 | * this and throw an error if they have already registered to use CT. | |
6033 | */ | |
6034 | if (callback != NULL && SSL_CTX_has_client_custom_ext(ctx, | |
a230b26e EK |
6035 | TLSEXT_TYPE_signed_certificate_timestamp)) |
6036 | { | |
6849b73c | 6037 | ERR_raise(ERR_LIB_SSL, SSL_R_CUSTOM_EXT_HANDLER_ALREADY_INSTALLED); |
43341433 | 6038 | return 0; |
ed29e82a RP |
6039 | } |
6040 | ||
6041 | ctx->ct_validation_callback = callback; | |
6042 | ctx->ct_validation_callback_arg = arg; | |
43341433 | 6043 | return 1; |
ed29e82a RP |
6044 | } |
6045 | ||
43341433 | 6046 | int SSL_ct_is_enabled(const SSL *s) |
ed29e82a | 6047 | { |
38b051a1 TM |
6048 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
6049 | ||
6050 | if (sc == NULL) | |
6051 | return 0; | |
6052 | ||
6053 | return sc->ct_validation_callback != NULL; | |
ed29e82a RP |
6054 | } |
6055 | ||
43341433 | 6056 | int SSL_CTX_ct_is_enabled(const SSL_CTX *ctx) |
ed29e82a | 6057 | { |
43341433 | 6058 | return ctx->ct_validation_callback != NULL; |
ed29e82a RP |
6059 | } |
6060 | ||
38b051a1 | 6061 | int ssl_validate_ct(SSL_CONNECTION *s) |
ed29e82a RP |
6062 | { |
6063 | int ret = 0; | |
3f3c7d26 | 6064 | X509 *cert = s->session != NULL ? s->session->peer : NULL; |
43341433 | 6065 | X509 *issuer; |
b9aec69a | 6066 | SSL_DANE *dane = &s->dane; |
ed29e82a RP |
6067 | CT_POLICY_EVAL_CTX *ctx = NULL; |
6068 | const STACK_OF(SCT) *scts; | |
6069 | ||
43341433 VD |
6070 | /* |
6071 | * If no callback is set, the peer is anonymous, or its chain is invalid, | |
6072 | * skip SCT validation - just return success. Applications that continue | |
6073 | * handshakes without certificates, with unverified chains, or pinned leaf | |
6074 | * certificates are outside the scope of the WebPKI and CT. | |
6075 | * | |
6076 | * The above exclusions notwithstanding the vast majority of peers will | |
6077 | * have rather ordinary certificate chains validated by typical | |
6078 | * applications that perform certificate verification and therefore will | |
6079 | * process SCTs when enabled. | |
6080 | */ | |
6081 | if (s->ct_validation_callback == NULL || cert == NULL || | |
6082 | s->verify_result != X509_V_OK || | |
a230b26e | 6083 | s->verified_chain == NULL || sk_X509_num(s->verified_chain) <= 1) |
ed29e82a RP |
6084 | return 1; |
6085 | ||
43341433 VD |
6086 | /* |
6087 | * CT not applicable for chains validated via DANE-TA(2) or DANE-EE(3) | |
6088 | * trust-anchors. See https://tools.ietf.org/html/rfc7671#section-4.2 | |
6089 | */ | |
6090 | if (DANETLS_ENABLED(dane) && dane->mtlsa != NULL) { | |
6091 | switch (dane->mtlsa->usage) { | |
6092 | case DANETLS_USAGE_DANE_TA: | |
6093 | case DANETLS_USAGE_DANE_EE: | |
6094 | return 1; | |
6095 | } | |
ed29e82a RP |
6096 | } |
6097 | ||
38b051a1 TM |
6098 | ctx = CT_POLICY_EVAL_CTX_new_ex(SSL_CONNECTION_GET_CTX(s)->libctx, |
6099 | SSL_CONNECTION_GET_CTX(s)->propq); | |
ed29e82a | 6100 | if (ctx == NULL) { |
e077455e | 6101 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CT_LIB); |
ed29e82a RP |
6102 | goto end; |
6103 | } | |
6104 | ||
43341433 | 6105 | issuer = sk_X509_value(s->verified_chain, 1); |
a1bb7708 RP |
6106 | CT_POLICY_EVAL_CTX_set1_cert(ctx, cert); |
6107 | CT_POLICY_EVAL_CTX_set1_issuer(ctx, issuer); | |
38b051a1 TM |
6108 | CT_POLICY_EVAL_CTX_set_shared_CTLOG_STORE(ctx, |
6109 | SSL_CONNECTION_GET_CTX(s)->ctlog_store); | |
6a71e06d | 6110 | CT_POLICY_EVAL_CTX_set_time( |
38b051a1 | 6111 | ctx, (uint64_t)SSL_SESSION_get_time(s->session) * 1000); |
ed29e82a | 6112 | |
38b051a1 | 6113 | scts = SSL_get0_peer_scts(SSL_CONNECTION_GET_SSL(s)); |
ed29e82a | 6114 | |
43341433 VD |
6115 | /* |
6116 | * This function returns success (> 0) only when all the SCTs are valid, 0 | |
6117 | * when some are invalid, and < 0 on various internal errors (out of | |
6118 | * memory, etc.). Having some, or even all, invalid SCTs is not sufficient | |
6119 | * reason to abort the handshake, that decision is up to the callback. | |
6120 | * Therefore, we error out only in the unexpected case that the return | |
6121 | * value is negative. | |
6122 | * | |
6123 | * XXX: One might well argue that the return value of this function is an | |
f430ba31 | 6124 | * unfortunate design choice. Its job is only to determine the validation |
43341433 VD |
6125 | * status of each of the provided SCTs. So long as it correctly separates |
6126 | * the wheat from the chaff it should return success. Failure in this case | |
6127 | * ought to correspond to an inability to carry out its duties. | |
6128 | */ | |
6129 | if (SCT_LIST_validate(scts, ctx) < 0) { | |
c48ffbcc | 6130 | SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_SCT_VERIFICATION_FAILED); |
ed29e82a RP |
6131 | goto end; |
6132 | } | |
6133 | ||
6134 | ret = s->ct_validation_callback(ctx, scts, s->ct_validation_callback_arg); | |
6135 | if (ret < 0) | |
a230b26e | 6136 | ret = 0; /* This function returns 0 on failure */ |
f63a17d6 | 6137 | if (!ret) |
c48ffbcc | 6138 | SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_CALLBACK_FAILED); |
ed29e82a | 6139 | |
a230b26e | 6140 | end: |
ed29e82a | 6141 | CT_POLICY_EVAL_CTX_free(ctx); |
f75b34c8 VD |
6142 | /* |
6143 | * With SSL_VERIFY_NONE the session may be cached and re-used despite a | |
6144 | * failure return code here. Also the application may wish the complete | |
6145 | * the handshake, and then disconnect cleanly at a higher layer, after | |
6146 | * checking the verification status of the completed connection. | |
6147 | * | |
6148 | * We therefore force a certificate verification failure which will be | |
6149 | * visible via SSL_get_verify_result() and cached as part of any resumed | |
6150 | * session. | |
6151 | * | |
6152 | * Note: the permissive callback is for information gathering only, always | |
6153 | * returns success, and does not affect verification status. Only the | |
6154 | * strict callback or a custom application-specified callback can trigger | |
6155 | * connection failure or record a verification error. | |
6156 | */ | |
6157 | if (ret <= 0) | |
6158 | s->verify_result = X509_V_ERR_NO_VALID_SCTS; | |
ed29e82a RP |
6159 | return ret; |
6160 | } | |
6161 | ||
43341433 VD |
6162 | int SSL_CTX_enable_ct(SSL_CTX *ctx, int validation_mode) |
6163 | { | |
6164 | switch (validation_mode) { | |
6165 | default: | |
6849b73c | 6166 | ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_CT_VALIDATION_TYPE); |
43341433 VD |
6167 | return 0; |
6168 | case SSL_CT_VALIDATION_PERMISSIVE: | |
6169 | return SSL_CTX_set_ct_validation_callback(ctx, ct_permissive, NULL); | |
6170 | case SSL_CT_VALIDATION_STRICT: | |
6171 | return SSL_CTX_set_ct_validation_callback(ctx, ct_strict, NULL); | |
6172 | } | |
6173 | } | |
6174 | ||
6175 | int SSL_enable_ct(SSL *s, int validation_mode) | |
6176 | { | |
6177 | switch (validation_mode) { | |
6178 | default: | |
6849b73c | 6179 | ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_CT_VALIDATION_TYPE); |
43341433 VD |
6180 | return 0; |
6181 | case SSL_CT_VALIDATION_PERMISSIVE: | |
6182 | return SSL_set_ct_validation_callback(s, ct_permissive, NULL); | |
6183 | case SSL_CT_VALIDATION_STRICT: | |
6184 | return SSL_set_ct_validation_callback(s, ct_strict, NULL); | |
6185 | } | |
6186 | } | |
6187 | ||
ed29e82a RP |
6188 | int SSL_CTX_set_default_ctlog_list_file(SSL_CTX *ctx) |
6189 | { | |
328f36c5 | 6190 | return CTLOG_STORE_load_default_file(ctx->ctlog_store); |
ed29e82a RP |
6191 | } |
6192 | ||
6193 | int SSL_CTX_set_ctlog_list_file(SSL_CTX *ctx, const char *path) | |
6194 | { | |
6195 | return CTLOG_STORE_load_file(ctx->ctlog_store, path); | |
6196 | } | |
6197 | ||
a230b26e | 6198 | void SSL_CTX_set0_ctlog_store(SSL_CTX *ctx, CTLOG_STORE * logs) |
8359b57f RP |
6199 | { |
6200 | CTLOG_STORE_free(ctx->ctlog_store); | |
6201 | ctx->ctlog_store = logs; | |
6202 | } | |
6203 | ||
6204 | const CTLOG_STORE *SSL_CTX_get0_ctlog_store(const SSL_CTX *ctx) | |
6205 | { | |
6206 | return ctx->ctlog_store; | |
6207 | } | |
6208 | ||
6b1bb98f BK |
6209 | #endif /* OPENSSL_NO_CT */ |
6210 | ||
a9c0d8be DB |
6211 | void SSL_CTX_set_client_hello_cb(SSL_CTX *c, SSL_client_hello_cb_fn cb, |
6212 | void *arg) | |
6b1bb98f | 6213 | { |
a9c0d8be DB |
6214 | c->client_hello_cb = cb; |
6215 | c->client_hello_cb_arg = arg; | |
6b1bb98f BK |
6216 | } |
6217 | ||
a9c0d8be | 6218 | int SSL_client_hello_isv2(SSL *s) |
6b1bb98f | 6219 | { |
38b051a1 TM |
6220 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6221 | ||
6222 | if (sc == NULL) | |
6223 | return 0; | |
6224 | ||
6225 | if (sc->clienthello == NULL) | |
6b1bb98f | 6226 | return 0; |
38b051a1 | 6227 | return sc->clienthello->isv2; |
6b1bb98f BK |
6228 | } |
6229 | ||
a9c0d8be | 6230 | unsigned int SSL_client_hello_get0_legacy_version(SSL *s) |
6b1bb98f | 6231 | { |
38b051a1 TM |
6232 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6233 | ||
6234 | if (sc == NULL) | |
6235 | return 0; | |
6236 | ||
6237 | if (sc->clienthello == NULL) | |
6b1bb98f | 6238 | return 0; |
38b051a1 | 6239 | return sc->clienthello->legacy_version; |
6b1bb98f BK |
6240 | } |
6241 | ||
a9c0d8be | 6242 | size_t SSL_client_hello_get0_random(SSL *s, const unsigned char **out) |
6b1bb98f | 6243 | { |
38b051a1 TM |
6244 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6245 | ||
6246 | if (sc == NULL) | |
6247 | return 0; | |
6248 | ||
6249 | if (sc->clienthello == NULL) | |
6b1bb98f BK |
6250 | return 0; |
6251 | if (out != NULL) | |
38b051a1 | 6252 | *out = sc->clienthello->random; |
6b1bb98f BK |
6253 | return SSL3_RANDOM_SIZE; |
6254 | } | |
6255 | ||
a9c0d8be | 6256 | size_t SSL_client_hello_get0_session_id(SSL *s, const unsigned char **out) |
6b1bb98f | 6257 | { |
38b051a1 TM |
6258 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6259 | ||
6260 | if (sc == NULL) | |
6261 | return 0; | |
6262 | ||
6263 | if (sc->clienthello == NULL) | |
6b1bb98f BK |
6264 | return 0; |
6265 | if (out != NULL) | |
38b051a1 TM |
6266 | *out = sc->clienthello->session_id; |
6267 | return sc->clienthello->session_id_len; | |
6b1bb98f BK |
6268 | } |
6269 | ||
a9c0d8be | 6270 | size_t SSL_client_hello_get0_ciphers(SSL *s, const unsigned char **out) |
6b1bb98f | 6271 | { |
38b051a1 TM |
6272 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6273 | ||
6274 | if (sc == NULL) | |
6275 | return 0; | |
6276 | ||
6277 | if (sc->clienthello == NULL) | |
6b1bb98f BK |
6278 | return 0; |
6279 | if (out != NULL) | |
38b051a1 TM |
6280 | *out = PACKET_data(&sc->clienthello->ciphersuites); |
6281 | return PACKET_remaining(&sc->clienthello->ciphersuites); | |
6b1bb98f BK |
6282 | } |
6283 | ||
a9c0d8be | 6284 | size_t SSL_client_hello_get0_compression_methods(SSL *s, const unsigned char **out) |
6b1bb98f | 6285 | { |
38b051a1 TM |
6286 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6287 | ||
6288 | if (sc == NULL) | |
6289 | return 0; | |
6290 | ||
6291 | if (sc->clienthello == NULL) | |
6b1bb98f BK |
6292 | return 0; |
6293 | if (out != NULL) | |
38b051a1 TM |
6294 | *out = sc->clienthello->compressions; |
6295 | return sc->clienthello->compressions_len; | |
6b1bb98f BK |
6296 | } |
6297 | ||
a9c0d8be | 6298 | int SSL_client_hello_get1_extensions_present(SSL *s, int **out, size_t *outlen) |
193b5d76 BK |
6299 | { |
6300 | RAW_EXTENSION *ext; | |
6301 | int *present; | |
6302 | size_t num = 0, i; | |
38b051a1 | 6303 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
193b5d76 | 6304 | |
38b051a1 | 6305 | if (sc == NULL) |
193b5d76 | 6306 | return 0; |
38b051a1 TM |
6307 | |
6308 | if (sc->clienthello == NULL || out == NULL || outlen == NULL) | |
6309 | return 0; | |
6310 | for (i = 0; i < sc->clienthello->pre_proc_exts_len; i++) { | |
6311 | ext = sc->clienthello->pre_proc_exts + i; | |
193b5d76 BK |
6312 | if (ext->present) |
6313 | num++; | |
6314 | } | |
6fda11ae | 6315 | if (num == 0) { |
6316 | *out = NULL; | |
6317 | *outlen = 0; | |
6318 | return 1; | |
6319 | } | |
e077455e | 6320 | if ((present = OPENSSL_malloc(sizeof(*present) * num)) == NULL) |
193b5d76 | 6321 | return 0; |
38b051a1 TM |
6322 | for (i = 0; i < sc->clienthello->pre_proc_exts_len; i++) { |
6323 | ext = sc->clienthello->pre_proc_exts + i; | |
193b5d76 BK |
6324 | if (ext->present) { |
6325 | if (ext->received_order >= num) | |
6326 | goto err; | |
6327 | present[ext->received_order] = ext->type; | |
6328 | } | |
6329 | } | |
6330 | *out = present; | |
6331 | *outlen = num; | |
6332 | return 1; | |
6333 | err: | |
6334 | OPENSSL_free(present); | |
6335 | return 0; | |
6336 | } | |
6337 | ||
13a53fbf PL |
6338 | int SSL_client_hello_get_extension_order(SSL *s, uint16_t *exts, size_t *num_exts) |
6339 | { | |
6340 | RAW_EXTENSION *ext; | |
6341 | size_t num = 0, i; | |
38b051a1 TM |
6342 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6343 | ||
6344 | if (sc == NULL) | |
6345 | return 0; | |
13a53fbf | 6346 | |
38b051a1 | 6347 | if (sc->clienthello == NULL || num_exts == NULL) |
13a53fbf | 6348 | return 0; |
38b051a1 TM |
6349 | for (i = 0; i < sc->clienthello->pre_proc_exts_len; i++) { |
6350 | ext = sc->clienthello->pre_proc_exts + i; | |
13a53fbf PL |
6351 | if (ext->present) |
6352 | num++; | |
6353 | } | |
6354 | if (num == 0) { | |
6355 | *num_exts = 0; | |
6356 | return 1; | |
6357 | } | |
6358 | if (exts == NULL) { | |
6359 | *num_exts = num; | |
6360 | return 1; | |
6361 | } | |
6362 | if (*num_exts < num) | |
6363 | return 0; | |
38b051a1 TM |
6364 | for (i = 0; i < sc->clienthello->pre_proc_exts_len; i++) { |
6365 | ext = sc->clienthello->pre_proc_exts + i; | |
13a53fbf PL |
6366 | if (ext->present) { |
6367 | if (ext->received_order >= num) | |
6368 | return 0; | |
6369 | exts[ext->received_order] = ext->type; | |
6370 | } | |
6371 | } | |
6372 | *num_exts = num; | |
6373 | return 1; | |
6374 | } | |
6375 | ||
a9c0d8be | 6376 | int SSL_client_hello_get0_ext(SSL *s, unsigned int type, const unsigned char **out, |
6b1bb98f BK |
6377 | size_t *outlen) |
6378 | { | |
6379 | size_t i; | |
6380 | RAW_EXTENSION *r; | |
38b051a1 | 6381 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6b1bb98f | 6382 | |
38b051a1 | 6383 | if (sc == NULL) |
6b1bb98f | 6384 | return 0; |
38b051a1 TM |
6385 | |
6386 | if (sc->clienthello == NULL) | |
6387 | return 0; | |
6388 | for (i = 0; i < sc->clienthello->pre_proc_exts_len; ++i) { | |
6389 | r = sc->clienthello->pre_proc_exts + i; | |
6b1bb98f BK |
6390 | if (r->present && r->type == type) { |
6391 | if (out != NULL) | |
6392 | *out = PACKET_data(&r->data); | |
6393 | if (outlen != NULL) | |
6394 | *outlen = PACKET_remaining(&r->data); | |
6395 | return 1; | |
6396 | } | |
6397 | } | |
6398 | return 0; | |
6399 | } | |
2faa1b48 | 6400 | |
a58eb06d TS |
6401 | int SSL_free_buffers(SSL *ssl) |
6402 | { | |
38b051a1 TM |
6403 | RECORD_LAYER *rl; |
6404 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); | |
6405 | ||
6406 | if (sc == NULL) | |
6407 | return 0; | |
6408 | ||
6409 | rl = &sc->rlayer; | |
a58eb06d | 6410 | |
7eb39ecb MC |
6411 | return rl->rrlmethod->free_buffers(rl->rrl) |
6412 | && rl->wrlmethod->free_buffers(rl->wrl); | |
a58eb06d TS |
6413 | } |
6414 | ||
6415 | int SSL_alloc_buffers(SSL *ssl) | |
6416 | { | |
7eb39ecb | 6417 | RECORD_LAYER *rl; |
38b051a1 TM |
6418 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
6419 | ||
6420 | if (sc == NULL) | |
6421 | return 0; | |
6422 | ||
7eb39ecb MC |
6423 | rl = &sc->rlayer; |
6424 | ||
6425 | return rl->rrlmethod->alloc_buffers(rl->rrl) | |
6426 | && rl->wrlmethod->alloc_buffers(rl->wrl); | |
a58eb06d TS |
6427 | } |
6428 | ||
2faa1b48 CB |
6429 | void SSL_CTX_set_keylog_callback(SSL_CTX *ctx, SSL_CTX_keylog_cb_func cb) |
6430 | { | |
6431 | ctx->keylog_callback = cb; | |
6432 | } | |
6433 | ||
6434 | SSL_CTX_keylog_cb_func SSL_CTX_get_keylog_callback(const SSL_CTX *ctx) | |
6435 | { | |
6436 | return ctx->keylog_callback; | |
6437 | } | |
6438 | ||
6439 | static int nss_keylog_int(const char *prefix, | |
38b051a1 | 6440 | SSL_CONNECTION *sc, |
2faa1b48 CB |
6441 | const uint8_t *parameter_1, |
6442 | size_t parameter_1_len, | |
6443 | const uint8_t *parameter_2, | |
6444 | size_t parameter_2_len) | |
6445 | { | |
6446 | char *out = NULL; | |
6447 | char *cursor = NULL; | |
6448 | size_t out_len = 0; | |
6449 | size_t i; | |
6450 | size_t prefix_len; | |
38b051a1 | 6451 | SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(sc); |
2faa1b48 | 6452 | |
38b051a1 | 6453 | if (sctx->keylog_callback == NULL) |
20870286 | 6454 | return 1; |
2faa1b48 CB |
6455 | |
6456 | /* | |
6457 | * Our output buffer will contain the following strings, rendered with | |
6458 | * space characters in between, terminated by a NULL character: first the | |
6459 | * prefix, then the first parameter, then the second parameter. The | |
6460 | * meaning of each parameter depends on the specific key material being | |
6461 | * logged. Note that the first and second parameters are encoded in | |
6462 | * hexadecimal, so we need a buffer that is twice their lengths. | |
6463 | */ | |
6464 | prefix_len = strlen(prefix); | |
e931f370 | 6465 | out_len = prefix_len + (2 * parameter_1_len) + (2 * parameter_2_len) + 3; |
e077455e | 6466 | if ((out = cursor = OPENSSL_malloc(out_len)) == NULL) |
2faa1b48 | 6467 | return 0; |
2faa1b48 CB |
6468 | |
6469 | strcpy(cursor, prefix); | |
6470 | cursor += prefix_len; | |
6471 | *cursor++ = ' '; | |
6472 | ||
6473 | for (i = 0; i < parameter_1_len; i++) { | |
6474 | sprintf(cursor, "%02x", parameter_1[i]); | |
6475 | cursor += 2; | |
6476 | } | |
6477 | *cursor++ = ' '; | |
6478 | ||
6479 | for (i = 0; i < parameter_2_len; i++) { | |
6480 | sprintf(cursor, "%02x", parameter_2[i]); | |
6481 | cursor += 2; | |
6482 | } | |
6483 | *cursor = '\0'; | |
6484 | ||
38b051a1 | 6485 | sctx->keylog_callback(SSL_CONNECTION_GET_SSL(sc), (const char *)out); |
e931f370 | 6486 | OPENSSL_clear_free(out, out_len); |
2faa1b48 CB |
6487 | return 1; |
6488 | ||
6489 | } | |
6490 | ||
38b051a1 | 6491 | int ssl_log_rsa_client_key_exchange(SSL_CONNECTION *sc, |
2faa1b48 CB |
6492 | const uint8_t *encrypted_premaster, |
6493 | size_t encrypted_premaster_len, | |
6494 | const uint8_t *premaster, | |
6495 | size_t premaster_len) | |
6496 | { | |
6497 | if (encrypted_premaster_len < 8) { | |
38b051a1 | 6498 | SSLfatal(sc, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); |
2faa1b48 CB |
6499 | return 0; |
6500 | } | |
6501 | ||
f0deb4d3 | 6502 | /* We only want the first 8 bytes of the encrypted premaster as a tag. */ |
2faa1b48 | 6503 | return nss_keylog_int("RSA", |
38b051a1 | 6504 | sc, |
2faa1b48 | 6505 | encrypted_premaster, |
f0deb4d3 | 6506 | 8, |
2faa1b48 CB |
6507 | premaster, |
6508 | premaster_len); | |
6509 | } | |
6510 | ||
38b051a1 | 6511 | int ssl_log_secret(SSL_CONNECTION *sc, |
2c7bd692 CB |
6512 | const char *label, |
6513 | const uint8_t *secret, | |
6514 | size_t secret_len) | |
2faa1b48 | 6515 | { |
2c7bd692 | 6516 | return nss_keylog_int(label, |
38b051a1 TM |
6517 | sc, |
6518 | sc->s3.client_random, | |
2c7bd692 CB |
6519 | SSL3_RANDOM_SIZE, |
6520 | secret, | |
6521 | secret_len); | |
2faa1b48 CB |
6522 | } |
6523 | ||
ccb8e6e0 BK |
6524 | #define SSLV2_CIPHER_LEN 3 |
6525 | ||
38b051a1 | 6526 | int ssl_cache_cipherlist(SSL_CONNECTION *s, PACKET *cipher_suites, int sslv2format) |
ccb8e6e0 | 6527 | { |
ccb8e6e0 | 6528 | int n; |
ccb8e6e0 BK |
6529 | |
6530 | n = sslv2format ? SSLV2_CIPHER_LEN : TLS_CIPHER_LEN; | |
6531 | ||
6532 | if (PACKET_remaining(cipher_suites) == 0) { | |
c48ffbcc | 6533 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_NO_CIPHERS_SPECIFIED); |
90134d98 | 6534 | return 0; |
ccb8e6e0 BK |
6535 | } |
6536 | ||
6537 | if (PACKET_remaining(cipher_suites) % n != 0) { | |
c48ffbcc | 6538 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST); |
90134d98 | 6539 | return 0; |
ccb8e6e0 BK |
6540 | } |
6541 | ||
555cbb32 TS |
6542 | OPENSSL_free(s->s3.tmp.ciphers_raw); |
6543 | s->s3.tmp.ciphers_raw = NULL; | |
6544 | s->s3.tmp.ciphers_rawlen = 0; | |
ccb8e6e0 BK |
6545 | |
6546 | if (sslv2format) { | |
6547 | size_t numciphers = PACKET_remaining(cipher_suites) / n; | |
6548 | PACKET sslv2ciphers = *cipher_suites; | |
6549 | unsigned int leadbyte; | |
6550 | unsigned char *raw; | |
6551 | ||
6552 | /* | |
6553 | * We store the raw ciphers list in SSLv3+ format so we need to do some | |
6554 | * preprocessing to convert the list first. If there are any SSLv2 only | |
6555 | * ciphersuites with a non-zero leading byte then we are going to | |
6556 | * slightly over allocate because we won't store those. But that isn't a | |
6557 | * problem. | |
6558 | */ | |
6559 | raw = OPENSSL_malloc(numciphers * TLS_CIPHER_LEN); | |
555cbb32 | 6560 | s->s3.tmp.ciphers_raw = raw; |
ccb8e6e0 | 6561 | if (raw == NULL) { |
e077455e | 6562 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB); |
f63a17d6 | 6563 | return 0; |
ccb8e6e0 | 6564 | } |
555cbb32 | 6565 | for (s->s3.tmp.ciphers_rawlen = 0; |
ccb8e6e0 BK |
6566 | PACKET_remaining(&sslv2ciphers) > 0; |
6567 | raw += TLS_CIPHER_LEN) { | |
6568 | if (!PACKET_get_1(&sslv2ciphers, &leadbyte) | |
6569 | || (leadbyte == 0 | |
6570 | && !PACKET_copy_bytes(&sslv2ciphers, raw, | |
6571 | TLS_CIPHER_LEN)) | |
6572 | || (leadbyte != 0 | |
6573 | && !PACKET_forward(&sslv2ciphers, TLS_CIPHER_LEN))) { | |
c48ffbcc | 6574 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_PACKET); |
555cbb32 TS |
6575 | OPENSSL_free(s->s3.tmp.ciphers_raw); |
6576 | s->s3.tmp.ciphers_raw = NULL; | |
6577 | s->s3.tmp.ciphers_rawlen = 0; | |
f63a17d6 | 6578 | return 0; |
ccb8e6e0 BK |
6579 | } |
6580 | if (leadbyte == 0) | |
555cbb32 | 6581 | s->s3.tmp.ciphers_rawlen += TLS_CIPHER_LEN; |
ccb8e6e0 | 6582 | } |
555cbb32 TS |
6583 | } else if (!PACKET_memdup(cipher_suites, &s->s3.tmp.ciphers_raw, |
6584 | &s->s3.tmp.ciphers_rawlen)) { | |
c48ffbcc | 6585 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); |
f63a17d6 | 6586 | return 0; |
ccb8e6e0 | 6587 | } |
90134d98 | 6588 | return 1; |
90134d98 BK |
6589 | } |
6590 | ||
6591 | int SSL_bytes_to_cipher_list(SSL *s, const unsigned char *bytes, size_t len, | |
6592 | int isv2format, STACK_OF(SSL_CIPHER) **sk, | |
6593 | STACK_OF(SSL_CIPHER) **scsvs) | |
6594 | { | |
90134d98 | 6595 | PACKET pkt; |
38b051a1 TM |
6596 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6597 | ||
6598 | if (sc == NULL) | |
6599 | return 0; | |
90134d98 BK |
6600 | |
6601 | if (!PACKET_buf_init(&pkt, bytes, len)) | |
6602 | return 0; | |
38b051a1 | 6603 | return ossl_bytes_to_cipher_list(sc, &pkt, sk, scsvs, isv2format, 0); |
90134d98 BK |
6604 | } |
6605 | ||
38b051a1 TM |
6606 | int ossl_bytes_to_cipher_list(SSL_CONNECTION *s, PACKET *cipher_suites, |
6607 | STACK_OF(SSL_CIPHER) **skp, | |
6608 | STACK_OF(SSL_CIPHER) **scsvs_out, | |
6609 | int sslv2format, int fatal) | |
90134d98 BK |
6610 | { |
6611 | const SSL_CIPHER *c; | |
6612 | STACK_OF(SSL_CIPHER) *sk = NULL; | |
6613 | STACK_OF(SSL_CIPHER) *scsvs = NULL; | |
6614 | int n; | |
6615 | /* 3 = SSLV2_CIPHER_LEN > TLS_CIPHER_LEN = 2. */ | |
6616 | unsigned char cipher[SSLV2_CIPHER_LEN]; | |
6617 | ||
6618 | n = sslv2format ? SSLV2_CIPHER_LEN : TLS_CIPHER_LEN; | |
6619 | ||
6620 | if (PACKET_remaining(cipher_suites) == 0) { | |
f63a17d6 | 6621 | if (fatal) |
c48ffbcc | 6622 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_NO_CIPHERS_SPECIFIED); |
f63a17d6 | 6623 | else |
6849b73c | 6624 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_CIPHERS_SPECIFIED); |
90134d98 BK |
6625 | return 0; |
6626 | } | |
6627 | ||
6628 | if (PACKET_remaining(cipher_suites) % n != 0) { | |
f63a17d6 | 6629 | if (fatal) |
c48ffbcc | 6630 | SSLfatal(s, SSL_AD_DECODE_ERROR, |
f63a17d6 MC |
6631 | SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST); |
6632 | else | |
6849b73c | 6633 | ERR_raise(ERR_LIB_SSL, SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST); |
90134d98 BK |
6634 | return 0; |
6635 | } | |
6636 | ||
6637 | sk = sk_SSL_CIPHER_new_null(); | |
6638 | scsvs = sk_SSL_CIPHER_new_null(); | |
6639 | if (sk == NULL || scsvs == NULL) { | |
f63a17d6 | 6640 | if (fatal) |
e077455e | 6641 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB); |
f63a17d6 | 6642 | else |
e077455e | 6643 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
90134d98 BK |
6644 | goto err; |
6645 | } | |
ccb8e6e0 BK |
6646 | |
6647 | while (PACKET_copy_bytes(cipher_suites, cipher, n)) { | |
6648 | /* | |
6649 | * SSLv3 ciphers wrapped in an SSLv2-compatible ClientHello have the | |
6650 | * first byte set to zero, while true SSLv2 ciphers have a non-zero | |
6651 | * first byte. We don't support any true SSLv2 ciphers, so skip them. | |
6652 | */ | |
6653 | if (sslv2format && cipher[0] != '\0') | |
6654 | continue; | |
6655 | ||
ccb8e6e0 BK |
6656 | /* For SSLv2-compat, ignore leading 0-byte. */ |
6657 | c = ssl_get_cipher_by_char(s, sslv2format ? &cipher[1] : cipher, 1); | |
6658 | if (c != NULL) { | |
90134d98 BK |
6659 | if ((c->valid && !sk_SSL_CIPHER_push(sk, c)) || |
6660 | (!c->valid && !sk_SSL_CIPHER_push(scsvs, c))) { | |
f63a17d6 | 6661 | if (fatal) |
e077455e | 6662 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB); |
f63a17d6 | 6663 | else |
e077455e | 6664 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
ccb8e6e0 BK |
6665 | goto err; |
6666 | } | |
6667 | } | |
6668 | } | |
6669 | if (PACKET_remaining(cipher_suites) > 0) { | |
f63a17d6 | 6670 | if (fatal) |
c48ffbcc | 6671 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_LENGTH); |
f63a17d6 | 6672 | else |
6849b73c | 6673 | ERR_raise(ERR_LIB_SSL, SSL_R_BAD_LENGTH); |
ccb8e6e0 BK |
6674 | goto err; |
6675 | } | |
6676 | ||
90134d98 BK |
6677 | if (skp != NULL) |
6678 | *skp = sk; | |
6679 | else | |
6680 | sk_SSL_CIPHER_free(sk); | |
6681 | if (scsvs_out != NULL) | |
6682 | *scsvs_out = scsvs; | |
6683 | else | |
6684 | sk_SSL_CIPHER_free(scsvs); | |
6685 | return 1; | |
ccb8e6e0 BK |
6686 | err: |
6687 | sk_SSL_CIPHER_free(sk); | |
90134d98 BK |
6688 | sk_SSL_CIPHER_free(scsvs); |
6689 | return 0; | |
ccb8e6e0 | 6690 | } |
3fc8d856 MC |
6691 | |
6692 | int SSL_CTX_set_max_early_data(SSL_CTX *ctx, uint32_t max_early_data) | |
6693 | { | |
6694 | ctx->max_early_data = max_early_data; | |
6695 | ||
6696 | return 1; | |
6697 | } | |
6698 | ||
46dcb945 | 6699 | uint32_t SSL_CTX_get_max_early_data(const SSL_CTX *ctx) |
3fc8d856 MC |
6700 | { |
6701 | return ctx->max_early_data; | |
6702 | } | |
6703 | ||
6704 | int SSL_set_max_early_data(SSL *s, uint32_t max_early_data) | |
6705 | { | |
38b051a1 TM |
6706 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6707 | ||
6708 | if (sc == NULL) | |
6709 | return 0; | |
6710 | ||
6711 | sc->max_early_data = max_early_data; | |
3fc8d856 MC |
6712 | |
6713 | return 1; | |
6714 | } | |
6715 | ||
a8e75d56 | 6716 | uint32_t SSL_get_max_early_data(const SSL *s) |
3fc8d856 | 6717 | { |
38b051a1 TM |
6718 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
6719 | ||
6720 | if (sc == NULL) | |
6721 | return 0; | |
6722 | ||
6723 | return sc->max_early_data; | |
3fc8d856 | 6724 | } |
ae3947de | 6725 | |
4e8548e8 MC |
6726 | int SSL_CTX_set_recv_max_early_data(SSL_CTX *ctx, uint32_t recv_max_early_data) |
6727 | { | |
6728 | ctx->recv_max_early_data = recv_max_early_data; | |
6729 | ||
6730 | return 1; | |
6731 | } | |
6732 | ||
6733 | uint32_t SSL_CTX_get_recv_max_early_data(const SSL_CTX *ctx) | |
6734 | { | |
6735 | return ctx->recv_max_early_data; | |
6736 | } | |
6737 | ||
6738 | int SSL_set_recv_max_early_data(SSL *s, uint32_t recv_max_early_data) | |
6739 | { | |
38b051a1 TM |
6740 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6741 | ||
6742 | if (sc == NULL) | |
6743 | return 0; | |
6744 | ||
6745 | sc->recv_max_early_data = recv_max_early_data; | |
4e8548e8 MC |
6746 | |
6747 | return 1; | |
6748 | } | |
6749 | ||
6750 | uint32_t SSL_get_recv_max_early_data(const SSL *s) | |
6751 | { | |
38b051a1 TM |
6752 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
6753 | ||
6754 | if (sc == NULL) | |
6755 | return 0; | |
6756 | ||
6757 | return sc->recv_max_early_data; | |
4e8548e8 MC |
6758 | } |
6759 | ||
38b051a1 | 6760 | __owur unsigned int ssl_get_max_send_fragment(const SSL_CONNECTION *sc) |
cf72c757 F |
6761 | { |
6762 | /* Return any active Max Fragment Len extension */ | |
38b051a1 TM |
6763 | if (sc->session != NULL && USE_MAX_FRAGMENT_LENGTH_EXT(sc->session)) |
6764 | return GET_MAX_FRAGMENT_LENGTH(sc->session); | |
cf72c757 F |
6765 | |
6766 | /* return current SSL connection setting */ | |
38b051a1 | 6767 | return sc->max_send_fragment; |
cf72c757 F |
6768 | } |
6769 | ||
38b051a1 | 6770 | __owur unsigned int ssl_get_split_send_fragment(const SSL_CONNECTION *sc) |
cf72c757 F |
6771 | { |
6772 | /* Return a value regarding an active Max Fragment Len extension */ | |
38b051a1 TM |
6773 | if (sc->session != NULL && USE_MAX_FRAGMENT_LENGTH_EXT(sc->session) |
6774 | && sc->split_send_fragment > GET_MAX_FRAGMENT_LENGTH(sc->session)) | |
6775 | return GET_MAX_FRAGMENT_LENGTH(sc->session); | |
cf72c757 F |
6776 | |
6777 | /* else limit |split_send_fragment| to current |max_send_fragment| */ | |
38b051a1 TM |
6778 | if (sc->split_send_fragment > sc->max_send_fragment) |
6779 | return sc->max_send_fragment; | |
cf72c757 F |
6780 | |
6781 | /* return current SSL connection setting */ | |
38b051a1 | 6782 | return sc->split_send_fragment; |
cf72c757 | 6783 | } |
042c5753 MC |
6784 | |
6785 | int SSL_stateless(SSL *s) | |
6786 | { | |
6787 | int ret; | |
38b051a1 TM |
6788 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6789 | ||
6790 | /* TODO(QUIC): This will need further work. */ | |
6791 | if (sc == NULL) | |
6792 | return 0; | |
042c5753 MC |
6793 | |
6794 | /* Ensure there is no state left over from a previous invocation */ | |
6795 | if (!SSL_clear(s)) | |
d6bb50a5 | 6796 | return 0; |
042c5753 MC |
6797 | |
6798 | ERR_clear_error(); | |
6799 | ||
38b051a1 | 6800 | sc->s3.flags |= TLS1_FLAGS_STATELESS; |
042c5753 | 6801 | ret = SSL_accept(s); |
38b051a1 | 6802 | sc->s3.flags &= ~TLS1_FLAGS_STATELESS; |
042c5753 | 6803 | |
38b051a1 | 6804 | if (ret > 0 && sc->ext.cookieok) |
c36001c3 MC |
6805 | return 1; |
6806 | ||
38b051a1 | 6807 | if (sc->hello_retry_request == SSL_HRR_PENDING && !ossl_statem_in_error(sc)) |
e440f513 MC |
6808 | return 0; |
6809 | ||
6810 | return -1; | |
042c5753 | 6811 | } |
9d75dce3 | 6812 | |
e97be718 MC |
6813 | void SSL_CTX_set_post_handshake_auth(SSL_CTX *ctx, int val) |
6814 | { | |
6815 | ctx->pha_enabled = val; | |
6816 | } | |
6817 | ||
32097b33 | 6818 | void SSL_set_post_handshake_auth(SSL *ssl, int val) |
9d75dce3 | 6819 | { |
38b051a1 TM |
6820 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
6821 | ||
6822 | if (sc == NULL) | |
6823 | return; | |
6824 | ||
6825 | sc->pha_enabled = val; | |
9d75dce3 TS |
6826 | } |
6827 | ||
6828 | int SSL_verify_client_post_handshake(SSL *ssl) | |
6829 | { | |
38b051a1 TM |
6830 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
6831 | ||
6832 | if (sc == NULL) | |
6833 | return 0; | |
6834 | ||
6835 | if (!SSL_CONNECTION_IS_TLS13(sc)) { | |
6849b73c | 6836 | ERR_raise(ERR_LIB_SSL, SSL_R_WRONG_SSL_VERSION); |
9d75dce3 TS |
6837 | return 0; |
6838 | } | |
38b051a1 | 6839 | if (!sc->server) { |
6849b73c | 6840 | ERR_raise(ERR_LIB_SSL, SSL_R_NOT_SERVER); |
9d75dce3 TS |
6841 | return 0; |
6842 | } | |
6843 | ||
6844 | if (!SSL_is_init_finished(ssl)) { | |
6849b73c | 6845 | ERR_raise(ERR_LIB_SSL, SSL_R_STILL_IN_INIT); |
9d75dce3 TS |
6846 | return 0; |
6847 | } | |
6848 | ||
38b051a1 | 6849 | switch (sc->post_handshake_auth) { |
9d75dce3 | 6850 | case SSL_PHA_NONE: |
6849b73c | 6851 | ERR_raise(ERR_LIB_SSL, SSL_R_EXTENSION_NOT_RECEIVED); |
9d75dce3 TS |
6852 | return 0; |
6853 | default: | |
6854 | case SSL_PHA_EXT_SENT: | |
6849b73c | 6855 | ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR); |
9d75dce3 TS |
6856 | return 0; |
6857 | case SSL_PHA_EXT_RECEIVED: | |
6858 | break; | |
6859 | case SSL_PHA_REQUEST_PENDING: | |
6849b73c | 6860 | ERR_raise(ERR_LIB_SSL, SSL_R_REQUEST_PENDING); |
9d75dce3 TS |
6861 | return 0; |
6862 | case SSL_PHA_REQUESTED: | |
6849b73c | 6863 | ERR_raise(ERR_LIB_SSL, SSL_R_REQUEST_SENT); |
9d75dce3 TS |
6864 | return 0; |
6865 | } | |
6866 | ||
38b051a1 | 6867 | sc->post_handshake_auth = SSL_PHA_REQUEST_PENDING; |
9d75dce3 TS |
6868 | |
6869 | /* checks verify_mode and algorithm_auth */ | |
38b051a1 TM |
6870 | if (!send_certificate_request(sc)) { |
6871 | sc->post_handshake_auth = SSL_PHA_EXT_RECEIVED; /* restore on error */ | |
6849b73c | 6872 | ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_CONFIG); |
9d75dce3 TS |
6873 | return 0; |
6874 | } | |
6875 | ||
38b051a1 | 6876 | ossl_statem_set_in_init(sc, 1); |
9d75dce3 TS |
6877 | return 1; |
6878 | } | |
df0fed9a TS |
6879 | |
6880 | int SSL_CTX_set_session_ticket_cb(SSL_CTX *ctx, | |
6881 | SSL_CTX_generate_session_ticket_fn gen_cb, | |
6882 | SSL_CTX_decrypt_session_ticket_fn dec_cb, | |
6883 | void *arg) | |
6884 | { | |
6885 | ctx->generate_ticket_cb = gen_cb; | |
6886 | ctx->decrypt_ticket_cb = dec_cb; | |
6887 | ctx->ticket_cb_data = arg; | |
6888 | return 1; | |
6889 | } | |
c9598459 MC |
6890 | |
6891 | void SSL_CTX_set_allow_early_data_cb(SSL_CTX *ctx, | |
6892 | SSL_allow_early_data_cb_fn cb, | |
6893 | void *arg) | |
6894 | { | |
6895 | ctx->allow_early_data_cb = cb; | |
6896 | ctx->allow_early_data_cb_data = arg; | |
6897 | } | |
6898 | ||
6899 | void SSL_set_allow_early_data_cb(SSL *s, | |
6900 | SSL_allow_early_data_cb_fn cb, | |
6901 | void *arg) | |
6902 | { | |
38b051a1 TM |
6903 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6904 | ||
6905 | if (sc == NULL) | |
6906 | return; | |
6907 | ||
6908 | sc->allow_early_data_cb = cb; | |
6909 | sc->allow_early_data_cb_data = arg; | |
c9598459 | 6910 | } |
c8f6c28a | 6911 | |
b4250010 | 6912 | const EVP_CIPHER *ssl_evp_cipher_fetch(OSSL_LIB_CTX *libctx, |
c8f6c28a MC |
6913 | int nid, |
6914 | const char *properties) | |
6915 | { | |
301fcb28 | 6916 | const EVP_CIPHER *ciph; |
5fcb97c6 | 6917 | |
301fcb28 MC |
6918 | ciph = tls_get_cipher_from_engine(nid); |
6919 | if (ciph != NULL) | |
6920 | return ciph; | |
0618b62c | 6921 | |
c8f6c28a | 6922 | /* |
301fcb28 MC |
6923 | * If there is no engine cipher then we do an explicit fetch. This may fail |
6924 | * and that could be ok | |
c8f6c28a | 6925 | */ |
5fcb97c6 MC |
6926 | ERR_set_mark(); |
6927 | ciph = EVP_CIPHER_fetch(libctx, OBJ_nid2sn(nid), properties); | |
6928 | ERR_pop_to_mark(); | |
6929 | return ciph; | |
c8f6c28a MC |
6930 | } |
6931 | ||
6932 | ||
6933 | int ssl_evp_cipher_up_ref(const EVP_CIPHER *cipher) | |
6934 | { | |
6935 | /* Don't up-ref an implicit EVP_CIPHER */ | |
ed576acd | 6936 | if (EVP_CIPHER_get0_provider(cipher) == NULL) |
c8f6c28a MC |
6937 | return 1; |
6938 | ||
6939 | /* | |
6940 | * The cipher was explicitly fetched and therefore it is safe to cast | |
6941 | * away the const | |
6942 | */ | |
6943 | return EVP_CIPHER_up_ref((EVP_CIPHER *)cipher); | |
6944 | } | |
6945 | ||
6946 | void ssl_evp_cipher_free(const EVP_CIPHER *cipher) | |
6947 | { | |
6948 | if (cipher == NULL) | |
6949 | return; | |
6950 | ||
ed576acd | 6951 | if (EVP_CIPHER_get0_provider(cipher) != NULL) { |
c8f6c28a MC |
6952 | /* |
6953 | * The cipher was explicitly fetched and therefore it is safe to cast | |
6954 | * away the const | |
6955 | */ | |
6956 | EVP_CIPHER_free((EVP_CIPHER *)cipher); | |
6957 | } | |
6958 | } | |
6959 | ||
b4250010 | 6960 | const EVP_MD *ssl_evp_md_fetch(OSSL_LIB_CTX *libctx, |
c8f6c28a MC |
6961 | int nid, |
6962 | const char *properties) | |
6963 | { | |
301fcb28 | 6964 | const EVP_MD *md; |
5fcb97c6 | 6965 | |
301fcb28 MC |
6966 | md = tls_get_digest_from_engine(nid); |
6967 | if (md != NULL) | |
6968 | return md; | |
c8f6c28a MC |
6969 | |
6970 | /* Otherwise we do an explicit fetch */ | |
5fcb97c6 MC |
6971 | ERR_set_mark(); |
6972 | md = EVP_MD_fetch(libctx, OBJ_nid2sn(nid), properties); | |
6973 | ERR_pop_to_mark(); | |
6974 | return md; | |
c8f6c28a MC |
6975 | } |
6976 | ||
6977 | int ssl_evp_md_up_ref(const EVP_MD *md) | |
6978 | { | |
6979 | /* Don't up-ref an implicit EVP_MD */ | |
ed576acd | 6980 | if (EVP_MD_get0_provider(md) == NULL) |
c8f6c28a MC |
6981 | return 1; |
6982 | ||
6983 | /* | |
6984 | * The digest was explicitly fetched and therefore it is safe to cast | |
6985 | * away the const | |
6986 | */ | |
6987 | return EVP_MD_up_ref((EVP_MD *)md); | |
6988 | } | |
6989 | ||
6990 | void ssl_evp_md_free(const EVP_MD *md) | |
6991 | { | |
6992 | if (md == NULL) | |
6993 | return; | |
6994 | ||
ed576acd | 6995 | if (EVP_MD_get0_provider(md) != NULL) { |
c8f6c28a MC |
6996 | /* |
6997 | * The digest was explicitly fetched and therefore it is safe to cast | |
6998 | * away the const | |
6999 | */ | |
7000 | EVP_MD_free((EVP_MD *)md); | |
7001 | } | |
7002 | } | |
163f6dc1 MC |
7003 | |
7004 | int SSL_set0_tmp_dh_pkey(SSL *s, EVP_PKEY *dhpkey) | |
7005 | { | |
38b051a1 TM |
7006 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
7007 | ||
7008 | if (sc == NULL) | |
7009 | return 0; | |
7010 | ||
7011 | if (!ssl_security(sc, SSL_SECOP_TMP_DH, | |
ed576acd | 7012 | EVP_PKEY_get_security_bits(dhpkey), 0, dhpkey)) { |
276d6c68 | 7013 | ERR_raise(ERR_LIB_SSL, SSL_R_DH_KEY_TOO_SMALL); |
163f6dc1 MC |
7014 | return 0; |
7015 | } | |
38b051a1 TM |
7016 | EVP_PKEY_free(sc->cert->dh_tmp); |
7017 | sc->cert->dh_tmp = dhpkey; | |
163f6dc1 MC |
7018 | return 1; |
7019 | } | |
7020 | ||
7021 | int SSL_CTX_set0_tmp_dh_pkey(SSL_CTX *ctx, EVP_PKEY *dhpkey) | |
7022 | { | |
7023 | if (!ssl_ctx_security(ctx, SSL_SECOP_TMP_DH, | |
ed576acd | 7024 | EVP_PKEY_get_security_bits(dhpkey), 0, dhpkey)) { |
276d6c68 | 7025 | ERR_raise(ERR_LIB_SSL, SSL_R_DH_KEY_TOO_SMALL); |
163f6dc1 MC |
7026 | return 0; |
7027 | } | |
7028 | EVP_PKEY_free(ctx->cert->dh_tmp); | |
7029 | ctx->cert->dh_tmp = dhpkey; | |
7030 | return 1; | |
7031 | } | |
68801bcb | 7032 | |
03bacce8 HL |
7033 | /* QUIC-specific methods which are supported on QUIC connections only. */ |
7034 | int SSL_tick(SSL *s) | |
7035 | { | |
7036 | SSL_CONNECTION *sc; | |
7037 | #ifndef OPENSSL_NO_QUIC | |
7038 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); | |
7039 | ||
7040 | if (qc != NULL) | |
7041 | return ossl_quic_tick(qc); | |
7042 | #endif | |
7043 | ||
7044 | sc = SSL_CONNECTION_FROM_SSL_ONLY(s); | |
7045 | if (sc != NULL && SSL_CONNECTION_IS_DTLS(sc)) | |
fbe2573d HL |
7046 | /* |
7047 | * DTLSv1_handle_timeout returns 0 if the timer wasn't expired yet, | |
7048 | * which we consider a success case. Theoretically DTLSv1_handle_timeout | |
7049 | * can also return 0 if s is NULL or not a DTLS object, but we've | |
7050 | * already ruled out those possibilities above, so this is not possible | |
7051 | * here. Thus the only failure cases are where DTLSv1_handle_timeout | |
7052 | * returns -1. | |
7053 | */ | |
7054 | return DTLSv1_handle_timeout(s) >= 0; | |
03bacce8 | 7055 | |
fbe2573d | 7056 | return 1; |
03bacce8 HL |
7057 | } |
7058 | ||
7059 | int SSL_get_tick_timeout(SSL *s, struct timeval *tv) | |
7060 | { | |
7061 | SSL_CONNECTION *sc; | |
7062 | #ifndef OPENSSL_NO_QUIC | |
7063 | QUIC_CONNECTION *qc; | |
7064 | ||
7065 | qc = QUIC_CONNECTION_FROM_SSL(s); | |
7066 | if (qc != NULL) | |
7067 | return ossl_quic_get_tick_timeout(qc, tv); | |
7068 | #endif | |
7069 | ||
7070 | sc = SSL_CONNECTION_FROM_SSL_ONLY(s); | |
fbe2573d HL |
7071 | if (sc != NULL && SSL_CONNECTION_IS_DTLS(sc) |
7072 | && DTLSv1_get_timeout(s, tv)) | |
03bacce8 | 7073 | return 1; |
03bacce8 | 7074 | |
fbe2573d HL |
7075 | tv->tv_sec = -1; |
7076 | tv->tv_usec = 0; | |
7077 | return 1; | |
03bacce8 HL |
7078 | } |
7079 | ||
68801bcb HL |
7080 | int SSL_get_rpoll_descriptor(SSL *s, BIO_POLL_DESCRIPTOR *desc) |
7081 | { | |
7082 | #ifndef OPENSSL_NO_QUIC | |
7083 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); | |
7084 | ||
7085 | if (qc == NULL) | |
7086 | return -1; | |
7087 | ||
03bacce8 | 7088 | return ossl_quic_get_rpoll_descriptor(qc, desc); |
68801bcb HL |
7089 | #else |
7090 | return -1; | |
7091 | #endif | |
7092 | } | |
7093 | ||
7094 | int SSL_get_wpoll_descriptor(SSL *s, BIO_POLL_DESCRIPTOR *desc) | |
7095 | { | |
7096 | #ifndef OPENSSL_NO_QUIC | |
7097 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); | |
7098 | ||
7099 | if (qc == NULL) | |
7100 | return -1; | |
7101 | ||
03bacce8 HL |
7102 | return ossl_quic_get_wpoll_descriptor(qc, desc); |
7103 | #else | |
7104 | return -1; | |
7105 | #endif | |
7106 | } | |
7107 | ||
b639475a | 7108 | int SSL_net_read_desired(SSL *s) |
03bacce8 HL |
7109 | { |
7110 | #ifndef OPENSSL_NO_QUIC | |
7111 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); | |
7112 | ||
7113 | if (qc == NULL) | |
7114 | return 0; | |
7115 | ||
b639475a | 7116 | return ossl_quic_get_net_read_desired(qc); |
03bacce8 HL |
7117 | #else |
7118 | return 0; | |
7119 | #endif | |
7120 | } | |
7121 | ||
b639475a | 7122 | int SSL_net_write_desired(SSL *s) |
03bacce8 HL |
7123 | { |
7124 | #ifndef OPENSSL_NO_QUIC | |
7125 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); | |
7126 | ||
7127 | if (qc == NULL) | |
7128 | return 0; | |
7129 | ||
b639475a | 7130 | return ossl_quic_get_net_write_desired(qc); |
03bacce8 HL |
7131 | #else |
7132 | return 0; | |
7133 | #endif | |
7134 | } | |
7135 | ||
7136 | int SSL_set_blocking_mode(SSL *s, int blocking) | |
7137 | { | |
7138 | #ifndef OPENSSL_NO_QUIC | |
7139 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); | |
7140 | ||
7141 | if (qc == NULL) | |
7142 | return 0; | |
7143 | ||
7144 | return ossl_quic_conn_set_blocking_mode(qc, blocking); | |
7145 | #else | |
7146 | return 0; | |
7147 | #endif | |
7148 | } | |
7149 | ||
7150 | int SSL_get_blocking_mode(SSL *s) | |
7151 | { | |
7152 | #ifndef OPENSSL_NO_QUIC | |
7153 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); | |
7154 | ||
7155 | if (qc == NULL) | |
7156 | return -1; | |
7157 | ||
7158 | return ossl_quic_conn_get_blocking_mode(qc); | |
7159 | #else | |
7160 | return -1; | |
7161 | #endif | |
7162 | } | |
7163 | ||
7164 | int SSL_set_initial_peer_addr(SSL *s, const BIO_ADDR *peer_addr) | |
7165 | { | |
7166 | #ifndef OPENSSL_NO_QUIC | |
7167 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); | |
7168 | ||
7169 | if (qc == NULL) | |
7170 | return -1; | |
7171 | ||
7172 | return ossl_quic_conn_set_initial_peer_addr(qc, peer_addr); | |
68801bcb HL |
7173 | #else |
7174 | return -1; | |
7175 | #endif | |
7176 | } |