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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, | |
3f9175c7 | 556 | OSSL_RECORD_PROTECTION_LEVEL_NONE, NULL, 0, |
6d814fd6 | 557 | NULL, 0, NULL, 0, NULL, 0, NULL, 0, |
3f9175c7 | 558 | NID_undef, NULL, NULL, NULL); |
6d814fd6 MC |
559 | |
560 | ret &= ssl_set_new_record_layer(s, | |
561 | SSL_CONNECTION_IS_DTLS(s) ? DTLS_ANY_VERSION | |
562 | : TLS_ANY_VERSION, | |
563 | OSSL_RECORD_DIRECTION_WRITE, | |
3f9175c7 | 564 | OSSL_RECORD_PROTECTION_LEVEL_NONE, NULL, 0, |
6d814fd6 | 565 | NULL, 0, NULL, 0, NULL, 0, NULL, 0, |
3f9175c7 MC |
566 | NID_undef, NULL, NULL, NULL); |
567 | ||
6d814fd6 MC |
568 | /* SSLfatal already called in the event of failure */ |
569 | return ret; | |
d31fb0b5 RS |
570 | } |
571 | ||
4f43d0e7 | 572 | int SSL_clear(SSL *s) |
0f113f3e | 573 | { |
0f113f3e | 574 | if (s->method == NULL) { |
6849b73c | 575 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_METHOD_SPECIFIED); |
a89325e4 | 576 | return 0; |
0f113f3e | 577 | } |
d02b48c6 | 578 | |
38b051a1 TM |
579 | return s->method->ssl_reset(s); |
580 | } | |
581 | ||
582 | int ossl_ssl_connection_reset(SSL *s) | |
583 | { | |
584 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
585 | ||
586 | if (sc == NULL) | |
587 | return 0; | |
588 | ||
589 | if (ssl_clear_bad_session(sc)) { | |
590 | SSL_SESSION_free(sc->session); | |
591 | sc->session = NULL; | |
0f113f3e | 592 | } |
38b051a1 TM |
593 | SSL_SESSION_free(sc->psksession); |
594 | sc->psksession = NULL; | |
595 | OPENSSL_free(sc->psksession_id); | |
596 | sc->psksession_id = NULL; | |
597 | sc->psksession_id_len = 0; | |
598 | sc->hello_retry_request = 0; | |
599 | sc->sent_tickets = 0; | |
d62bfb39 | 600 | |
38b051a1 TM |
601 | sc->error = 0; |
602 | sc->hit = 0; | |
603 | sc->shutdown = 0; | |
d02b48c6 | 604 | |
38b051a1 | 605 | if (sc->renegotiate) { |
6849b73c | 606 | ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR); |
0f113f3e MC |
607 | return 0; |
608 | } | |
d02b48c6 | 609 | |
38b051a1 | 610 | ossl_statem_clear(sc); |
413c4f45 | 611 | |
38b051a1 TM |
612 | /* TODO(QUIC): Version handling not yet clear */ |
613 | sc->version = s->method->version; | |
614 | sc->client_version = sc->version; | |
615 | sc->rwstate = SSL_NOTHING; | |
d02b48c6 | 616 | |
38b051a1 TM |
617 | BUF_MEM_free(sc->init_buf); |
618 | sc->init_buf = NULL; | |
38b051a1 | 619 | sc->first_packet = 0; |
d02b48c6 | 620 | |
38b051a1 | 621 | sc->key_update = SSL_KEY_UPDATE_NONE; |
b67cb09f TS |
622 | memset(sc->ext.compress_certificate_from_peer, 0, |
623 | sizeof(sc->ext.compress_certificate_from_peer)); | |
624 | sc->ext.compress_certificate_sent = 0; | |
44c04a2e | 625 | |
38b051a1 TM |
626 | EVP_MD_CTX_free(sc->pha_dgst); |
627 | sc->pha_dgst = NULL; | |
88834998 | 628 | |
919ba009 | 629 | /* Reset DANE verification result state */ |
38b051a1 TM |
630 | sc->dane.mdpth = -1; |
631 | sc->dane.pdpth = -1; | |
632 | X509_free(sc->dane.mcert); | |
633 | sc->dane.mcert = NULL; | |
634 | sc->dane.mtlsa = NULL; | |
919ba009 VD |
635 | |
636 | /* Clear the verification result peername */ | |
38b051a1 | 637 | X509_VERIFY_PARAM_move_peername(sc->param, NULL); |
919ba009 | 638 | |
29948ac8 | 639 | /* Clear any shared connection state */ |
38b051a1 TM |
640 | OPENSSL_free(sc->shared_sigalgs); |
641 | sc->shared_sigalgs = NULL; | |
642 | sc->shared_sigalgslen = 0; | |
29948ac8 | 643 | |
0f113f3e MC |
644 | /* |
645 | * Check to see if we were changed into a different method, if so, revert | |
24252537 | 646 | * back. |
0f113f3e | 647 | */ |
a7f41885 | 648 | if (s->method != s->defltmeth) { |
38b051a1 | 649 | s->method->ssl_deinit(s); |
a7f41885 | 650 | s->method = s->defltmeth; |
38b051a1 | 651 | if (!s->method->ssl_init(s)) |
a89325e4 | 652 | return 0; |
b77f3ed1 MC |
653 | } else { |
654 | if (!s->method->ssl_clear(s)) | |
655 | return 0; | |
656 | } | |
33d23b87 | 657 | |
38b051a1 | 658 | RECORD_LAYER_clear(&sc->rlayer); |
cffafb5f MC |
659 | BIO_free(sc->rlayer.rrlnext); |
660 | sc->rlayer.rrlnext = NULL; | |
33d23b87 | 661 | |
6d814fd6 | 662 | if (!clear_record_layer(sc)) |
2b71b042 | 663 | return 0; |
aedbb71b | 664 | |
a89325e4 | 665 | return 1; |
0f113f3e | 666 | } |
d02b48c6 | 667 | |
dd0164e7 | 668 | #ifndef OPENSSL_NO_DEPRECATED_3_0 |
4f43d0e7 | 669 | /** Used to change an SSL_CTXs default SSL method type */ |
0f113f3e MC |
670 | int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth) |
671 | { | |
672 | STACK_OF(SSL_CIPHER) *sk; | |
673 | ||
674 | ctx->method = meth; | |
675 | ||
5d120511 | 676 | if (!SSL_CTX_set_ciphersuites(ctx, OSSL_default_ciphersuites())) { |
6849b73c | 677 | ERR_raise(ERR_LIB_SSL, SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS); |
2340ed27 BK |
678 | return 0; |
679 | } | |
a68eee67 | 680 | sk = ssl_create_cipher_list(ctx, |
f865b081 MC |
681 | ctx->tls13_ciphersuites, |
682 | &(ctx->cipher_list), | |
0f113f3e | 683 | &(ctx->cipher_list_by_id), |
5d120511 | 684 | OSSL_default_cipher_list(), ctx->cert); |
0f113f3e | 685 | if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0)) { |
6849b73c | 686 | ERR_raise(ERR_LIB_SSL, SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS); |
26a7d938 | 687 | return 0; |
0f113f3e | 688 | } |
208fb891 | 689 | return 1; |
0f113f3e | 690 | } |
dd0164e7 | 691 | #endif |
d02b48c6 | 692 | |
4f43d0e7 | 693 | SSL *SSL_new(SSL_CTX *ctx) |
0f113f3e | 694 | { |
0f113f3e | 695 | if (ctx == NULL) { |
6849b73c | 696 | ERR_raise(ERR_LIB_SSL, SSL_R_NULL_SSL_CTX); |
26a7d938 | 697 | return NULL; |
0f113f3e MC |
698 | } |
699 | if (ctx->method == NULL) { | |
6849b73c | 700 | ERR_raise(ERR_LIB_SSL, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION); |
26a7d938 | 701 | return NULL; |
0f113f3e | 702 | } |
38b051a1 TM |
703 | return ctx->method->ssl_new(ctx); |
704 | } | |
705 | ||
a7f41885 | 706 | int ossl_ssl_init(SSL *ssl, SSL_CTX *ctx, const SSL_METHOD *method, int type) |
38b051a1 TM |
707 | { |
708 | ssl->type = type; | |
709 | ||
710 | ssl->references = 1; | |
711 | ssl->lock = CRYPTO_THREAD_lock_new(); | |
712 | if (ssl->lock == NULL) | |
713 | return 0; | |
714 | ||
c10ded8c TS |
715 | if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, ssl, &ssl->ex_data)) { |
716 | CRYPTO_THREAD_lock_free(ssl->lock); | |
717 | ssl->lock = NULL; | |
718 | return 0; | |
719 | } | |
720 | ||
38b051a1 TM |
721 | SSL_CTX_up_ref(ctx); |
722 | ssl->ctx = ctx; | |
723 | ||
a7f41885 | 724 | ssl->defltmeth = ssl->method = method; |
38b051a1 | 725 | |
38b051a1 TM |
726 | return 1; |
727 | } | |
728 | ||
a7f41885 | 729 | SSL *ossl_ssl_connection_new_int(SSL_CTX *ctx, const SSL_METHOD *method) |
38b051a1 TM |
730 | { |
731 | SSL_CONNECTION *s; | |
732 | SSL *ssl; | |
0f113f3e | 733 | |
b51bce94 | 734 | s = OPENSSL_zalloc(sizeof(*s)); |
0f113f3e | 735 | if (s == NULL) |
38b051a1 | 736 | return NULL; |
0f113f3e | 737 | |
38b051a1 | 738 | ssl = &s->ssl; |
a7f41885 | 739 | if (!ossl_ssl_init(ssl, ctx, method, SSL_TYPE_SSL_CONNECTION)) { |
e6b10c34 BE |
740 | OPENSSL_free(s); |
741 | s = NULL; | |
c4a44e7b | 742 | ssl = NULL; |
e077455e | 743 | goto sslerr; |
e6b10c34 | 744 | } |
ae3947de | 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 | ||
a7f41885 | 863 | if (!method->ssl_init(ssl)) |
e077455e | 864 | goto sslerr; |
d02b48c6 | 865 | |
a7f41885 | 866 | s->server = (method->ssl_accept == ssl_undefined_function) ? 0 : 1; |
bf21446a | 867 | |
a7f41885 | 868 | if (!method->ssl_reset(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 | ||
ee58915c | 893 | s->ssl_pkey_num = SSL_PKEY_NUM + ctx->sigalg_list_len; |
38b051a1 | 894 | return ssl; |
e077455e RL |
895 | cerr: |
896 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); | |
897 | goto err; | |
898 | asn1err: | |
899 | ERR_raise(ERR_LIB_SSL, ERR_R_ASN1_LIB); | |
900 | goto err; | |
901 | sslerr: | |
902 | ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB); | |
0f113f3e | 903 | err: |
38b051a1 | 904 | SSL_free(ssl); |
16203f7b | 905 | return NULL; |
0f113f3e | 906 | } |
d02b48c6 | 907 | |
a7f41885 MC |
908 | SSL *ossl_ssl_connection_new(SSL_CTX *ctx) |
909 | { | |
910 | return ossl_ssl_connection_new_int(ctx, ctx->method); | |
911 | } | |
912 | ||
e417070c RS |
913 | int SSL_is_dtls(const SSL *s) |
914 | { | |
38b051a1 TM |
915 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
916 | ||
917 | if (sc == NULL) | |
918 | return 0; | |
919 | ||
920 | return SSL_CONNECTION_IS_DTLS(sc) ? 1 : 0; | |
e417070c RS |
921 | } |
922 | ||
c5ebfcab | 923 | int SSL_up_ref(SSL *s) |
a18a31e4 | 924 | { |
16203f7b | 925 | int i; |
c5ebfcab | 926 | |
2f545ae4 | 927 | if (CRYPTO_UP_REF(&s->references, &i, s->lock) <= 0) |
c5ebfcab F |
928 | return 0; |
929 | ||
930 | REF_PRINT_COUNT("SSL", s); | |
931 | REF_ASSERT_ISNT(i < 2); | |
932 | return ((i > 1) ? 1 : 0); | |
a18a31e4 MC |
933 | } |
934 | ||
0f113f3e MC |
935 | int SSL_CTX_set_session_id_context(SSL_CTX *ctx, const unsigned char *sid_ctx, |
936 | unsigned int sid_ctx_len) | |
937 | { | |
fe9edc9d | 938 | if (sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) { |
6849b73c | 939 | ERR_raise(ERR_LIB_SSL, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); |
0f113f3e MC |
940 | return 0; |
941 | } | |
942 | ctx->sid_ctx_length = sid_ctx_len; | |
943 | memcpy(ctx->sid_ctx, sid_ctx, sid_ctx_len); | |
4eb77b26 BM |
944 | |
945 | return 1; | |
0f113f3e | 946 | } |
4eb77b26 | 947 | |
0f113f3e MC |
948 | int SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx, |
949 | unsigned int sid_ctx_len) | |
950 | { | |
38b051a1 TM |
951 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
952 | ||
953 | if (sc == NULL) | |
954 | return 0; | |
955 | ||
0f113f3e | 956 | if (sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) { |
6849b73c | 957 | ERR_raise(ERR_LIB_SSL, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); |
0f113f3e MC |
958 | return 0; |
959 | } | |
38b051a1 TM |
960 | sc->sid_ctx_length = sid_ctx_len; |
961 | memcpy(sc->sid_ctx, sid_ctx, sid_ctx_len); | |
b4cadc6e BL |
962 | |
963 | return 1; | |
0f113f3e | 964 | } |
b4cadc6e | 965 | |
dc644fe2 | 966 | int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb) |
0f113f3e | 967 | { |
cd3f8c1b RS |
968 | if (!CRYPTO_THREAD_write_lock(ctx->lock)) |
969 | return 0; | |
0f113f3e | 970 | ctx->generate_session_id = cb; |
16203f7b | 971 | CRYPTO_THREAD_unlock(ctx->lock); |
0f113f3e MC |
972 | return 1; |
973 | } | |
dc644fe2 GT |
974 | |
975 | int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb) | |
0f113f3e | 976 | { |
38b051a1 TM |
977 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
978 | ||
979 | if (sc == NULL || !CRYPTO_THREAD_write_lock(ssl->lock)) | |
cd3f8c1b | 980 | return 0; |
38b051a1 | 981 | sc->generate_session_id = cb; |
16203f7b | 982 | CRYPTO_THREAD_unlock(ssl->lock); |
0f113f3e MC |
983 | return 1; |
984 | } | |
dc644fe2 | 985 | |
f85c9904 | 986 | int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id, |
0f113f3e MC |
987 | unsigned int id_len) |
988 | { | |
989 | /* | |
990 | * A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how | |
69687aa8 | 991 | * we can "construct" a session to give us the desired check - i.e. to |
0f113f3e MC |
992 | * find if there's a session in the hash table that would conflict with |
993 | * any new session built out of this id/id_len and the ssl_version in use | |
994 | * by this SSL. | |
995 | */ | |
996 | SSL_SESSION r, *p; | |
38b051a1 | 997 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl); |
0f113f3e | 998 | |
38b051a1 | 999 | if (sc == NULL || id_len > sizeof(r.session_id)) |
0f113f3e MC |
1000 | return 0; |
1001 | ||
38b051a1 | 1002 | r.ssl_version = sc->version; |
0f113f3e MC |
1003 | r.session_id_length = id_len; |
1004 | memcpy(r.session_id, id, id_len); | |
1005 | ||
38b051a1 | 1006 | if (!CRYPTO_THREAD_read_lock(sc->session_ctx->lock)) |
cd3f8c1b | 1007 | return 0; |
38b051a1 TM |
1008 | p = lh_SSL_SESSION_retrieve(sc->session_ctx->sessions, &r); |
1009 | CRYPTO_THREAD_unlock(sc->session_ctx->lock); | |
0f113f3e MC |
1010 | return (p != NULL); |
1011 | } | |
dc644fe2 | 1012 | |
bb7cd4e3 | 1013 | int SSL_CTX_set_purpose(SSL_CTX *s, int purpose) |
0f113f3e MC |
1014 | { |
1015 | return X509_VERIFY_PARAM_set_purpose(s->param, purpose); | |
1016 | } | |
bb7cd4e3 DSH |
1017 | |
1018 | int SSL_set_purpose(SSL *s, int purpose) | |
0f113f3e | 1019 | { |
38b051a1 TM |
1020 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1021 | ||
1022 | if (sc == NULL) | |
1023 | return 0; | |
1024 | ||
1025 | return X509_VERIFY_PARAM_set_purpose(sc->param, purpose); | |
0f113f3e | 1026 | } |
926a56bf | 1027 | |
bb7cd4e3 | 1028 | int SSL_CTX_set_trust(SSL_CTX *s, int trust) |
0f113f3e MC |
1029 | { |
1030 | return X509_VERIFY_PARAM_set_trust(s->param, trust); | |
1031 | } | |
bb7cd4e3 DSH |
1032 | |
1033 | int SSL_set_trust(SSL *s, int trust) | |
0f113f3e | 1034 | { |
38b051a1 TM |
1035 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1036 | ||
1037 | if (sc == NULL) | |
1038 | return 0; | |
1039 | ||
1040 | return X509_VERIFY_PARAM_set_trust(sc->param, trust); | |
0f113f3e | 1041 | } |
bb7cd4e3 | 1042 | |
919ba009 VD |
1043 | int SSL_set1_host(SSL *s, const char *hostname) |
1044 | { | |
38b051a1 TM |
1045 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1046 | ||
1047 | if (sc == NULL) | |
1048 | return 0; | |
1049 | ||
c832840e DW |
1050 | /* If a hostname is provided and parses as an IP address, |
1051 | * treat it as such. */ | |
38b051a1 TM |
1052 | if (hostname != NULL |
1053 | && X509_VERIFY_PARAM_set1_ip_asc(sc->param, hostname) == 1) | |
c832840e DW |
1054 | return 1; |
1055 | ||
38b051a1 | 1056 | return X509_VERIFY_PARAM_set1_host(sc->param, hostname, 0); |
919ba009 VD |
1057 | } |
1058 | ||
1059 | int SSL_add1_host(SSL *s, const char *hostname) | |
1060 | { | |
38b051a1 TM |
1061 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1062 | ||
1063 | if (sc == NULL) | |
1064 | return 0; | |
1065 | ||
c832840e DW |
1066 | /* If a hostname is provided and parses as an IP address, |
1067 | * treat it as such. */ | |
892a9e4c DW |
1068 | if (hostname) |
1069 | { | |
1070 | ASN1_OCTET_STRING *ip; | |
1071 | char *old_ip; | |
1072 | ||
1073 | ip = a2i_IPADDRESS(hostname); | |
1074 | if (ip) { | |
1075 | /* We didn't want it; only to check if it *is* an IP address */ | |
1076 | ASN1_OCTET_STRING_free(ip); | |
1077 | ||
38b051a1 | 1078 | old_ip = X509_VERIFY_PARAM_get1_ip_asc(sc->param); |
892a9e4c DW |
1079 | if (old_ip) |
1080 | { | |
f2bfc53b | 1081 | OPENSSL_free(old_ip); |
892a9e4c DW |
1082 | /* There can be only one IP address */ |
1083 | return 0; | |
1084 | } | |
1085 | ||
38b051a1 | 1086 | return X509_VERIFY_PARAM_set1_ip_asc(sc->param, hostname); |
892a9e4c DW |
1087 | } |
1088 | } | |
c832840e | 1089 | |
38b051a1 | 1090 | return X509_VERIFY_PARAM_add1_host(sc->param, hostname, 0); |
919ba009 VD |
1091 | } |
1092 | ||
1093 | void SSL_set_hostflags(SSL *s, unsigned int flags) | |
1094 | { | |
38b051a1 TM |
1095 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1096 | ||
1097 | if (sc == NULL) | |
1098 | return; | |
1099 | ||
1100 | X509_VERIFY_PARAM_set_hostflags(sc->param, flags); | |
919ba009 VD |
1101 | } |
1102 | ||
4588cb44 | 1103 | const char *SSL_get0_peername(SSL *s) |
919ba009 | 1104 | { |
38b051a1 TM |
1105 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1106 | ||
1107 | if (sc == NULL) | |
1108 | return NULL; | |
1109 | ||
1110 | return X509_VERIFY_PARAM_get0_peername(sc->param); | |
919ba009 VD |
1111 | } |
1112 | ||
1113 | int SSL_CTX_dane_enable(SSL_CTX *ctx) | |
1114 | { | |
1115 | return dane_ctx_enable(&ctx->dane); | |
1116 | } | |
1117 | ||
5ae4ceb9 VD |
1118 | unsigned long SSL_CTX_dane_set_flags(SSL_CTX *ctx, unsigned long flags) |
1119 | { | |
1120 | unsigned long orig = ctx->dane.flags; | |
1121 | ||
1122 | ctx->dane.flags |= flags; | |
1123 | return orig; | |
1124 | } | |
1125 | ||
1126 | unsigned long SSL_CTX_dane_clear_flags(SSL_CTX *ctx, unsigned long flags) | |
1127 | { | |
1128 | unsigned long orig = ctx->dane.flags; | |
1129 | ||
1130 | ctx->dane.flags &= ~flags; | |
1131 | return orig; | |
1132 | } | |
1133 | ||
919ba009 VD |
1134 | int SSL_dane_enable(SSL *s, const char *basedomain) |
1135 | { | |
38b051a1 TM |
1136 | SSL_DANE *dane; |
1137 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
919ba009 | 1138 | |
38b051a1 TM |
1139 | if (sc == NULL) |
1140 | return 0; | |
1141 | ||
1142 | dane = &sc->dane; | |
919ba009 | 1143 | if (s->ctx->dane.mdmax == 0) { |
6849b73c | 1144 | ERR_raise(ERR_LIB_SSL, SSL_R_CONTEXT_NOT_DANE_ENABLED); |
919ba009 VD |
1145 | return 0; |
1146 | } | |
1147 | if (dane->trecs != NULL) { | |
6849b73c | 1148 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_ALREADY_ENABLED); |
919ba009 VD |
1149 | return 0; |
1150 | } | |
1151 | ||
8d887efa VD |
1152 | /* |
1153 | * Default SNI name. This rejects empty names, while set1_host below | |
9929c817 | 1154 | * accepts them and disables hostname checks. To avoid side-effects with |
8d887efa VD |
1155 | * invalid input, set the SNI name first. |
1156 | */ | |
38b051a1 | 1157 | if (sc->ext.hostname == NULL) { |
dccd20d1 | 1158 | if (!SSL_set_tlsext_host_name(s, basedomain)) { |
6849b73c | 1159 | ERR_raise(ERR_LIB_SSL, SSL_R_ERROR_SETTING_TLSA_BASE_DOMAIN); |
dccd20d1 | 1160 | return -1; |
8d887efa VD |
1161 | } |
1162 | } | |
1163 | ||
919ba009 | 1164 | /* Primary RFC6125 reference identifier */ |
38b051a1 | 1165 | if (!X509_VERIFY_PARAM_set1_host(sc->param, basedomain, 0)) { |
6849b73c | 1166 | ERR_raise(ERR_LIB_SSL, SSL_R_ERROR_SETTING_TLSA_BASE_DOMAIN); |
919ba009 VD |
1167 | return -1; |
1168 | } | |
1169 | ||
919ba009 VD |
1170 | dane->mdpth = -1; |
1171 | dane->pdpth = -1; | |
1172 | dane->dctx = &s->ctx->dane; | |
1173 | dane->trecs = sk_danetls_record_new_null(); | |
1174 | ||
1175 | if (dane->trecs == NULL) { | |
e077455e | 1176 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
919ba009 VD |
1177 | return -1; |
1178 | } | |
1179 | return 1; | |
1180 | } | |
1181 | ||
5ae4ceb9 VD |
1182 | unsigned long SSL_dane_set_flags(SSL *ssl, unsigned long flags) |
1183 | { | |
38b051a1 TM |
1184 | unsigned long orig; |
1185 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); | |
1186 | ||
1187 | if (sc == NULL) | |
1188 | return 0; | |
1189 | ||
1190 | orig = sc->dane.flags; | |
5ae4ceb9 | 1191 | |
38b051a1 | 1192 | sc->dane.flags |= flags; |
5ae4ceb9 VD |
1193 | return orig; |
1194 | } | |
1195 | ||
1196 | unsigned long SSL_dane_clear_flags(SSL *ssl, unsigned long flags) | |
1197 | { | |
38b051a1 TM |
1198 | unsigned long orig; |
1199 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); | |
5ae4ceb9 | 1200 | |
38b051a1 TM |
1201 | if (sc == NULL) |
1202 | return 0; | |
1203 | ||
1204 | orig = sc->dane.flags; | |
1205 | ||
1206 | sc->dane.flags &= ~flags; | |
5ae4ceb9 VD |
1207 | return orig; |
1208 | } | |
1209 | ||
919ba009 VD |
1210 | int SSL_get0_dane_authority(SSL *s, X509 **mcert, EVP_PKEY **mspki) |
1211 | { | |
38b051a1 TM |
1212 | SSL_DANE *dane; |
1213 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
919ba009 | 1214 | |
38b051a1 TM |
1215 | if (sc == NULL) |
1216 | return -1; | |
1217 | ||
1218 | dane = &sc->dane; | |
1219 | ||
1220 | if (!DANETLS_ENABLED(dane) || sc->verify_result != X509_V_OK) | |
919ba009 VD |
1221 | return -1; |
1222 | if (dane->mtlsa) { | |
1223 | if (mcert) | |
1224 | *mcert = dane->mcert; | |
1225 | if (mspki) | |
1226 | *mspki = (dane->mcert == NULL) ? dane->mtlsa->spki : NULL; | |
1227 | } | |
1228 | return dane->mdpth; | |
1229 | } | |
1230 | ||
1231 | int SSL_get0_dane_tlsa(SSL *s, uint8_t *usage, uint8_t *selector, | |
6d4313f0 | 1232 | uint8_t *mtype, const unsigned char **data, size_t *dlen) |
919ba009 | 1233 | { |
38b051a1 TM |
1234 | SSL_DANE *dane; |
1235 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
919ba009 | 1236 | |
38b051a1 TM |
1237 | if (sc == NULL) |
1238 | return -1; | |
1239 | ||
1240 | dane = &sc->dane; | |
1241 | ||
1242 | if (!DANETLS_ENABLED(dane) || sc->verify_result != X509_V_OK) | |
919ba009 VD |
1243 | return -1; |
1244 | if (dane->mtlsa) { | |
1245 | if (usage) | |
1246 | *usage = dane->mtlsa->usage; | |
1247 | if (selector) | |
1248 | *selector = dane->mtlsa->selector; | |
1249 | if (mtype) | |
1250 | *mtype = dane->mtlsa->mtype; | |
1251 | if (data) | |
1252 | *data = dane->mtlsa->data; | |
1253 | if (dlen) | |
1254 | *dlen = dane->mtlsa->dlen; | |
1255 | } | |
1256 | return dane->mdpth; | |
1257 | } | |
1258 | ||
b9aec69a | 1259 | SSL_DANE *SSL_get0_dane(SSL *s) |
919ba009 | 1260 | { |
38b051a1 TM |
1261 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1262 | ||
1263 | if (sc == NULL) | |
1264 | return NULL; | |
1265 | ||
1266 | return &sc->dane; | |
919ba009 VD |
1267 | } |
1268 | ||
1269 | int SSL_dane_tlsa_add(SSL *s, uint8_t usage, uint8_t selector, | |
6d4313f0 | 1270 | uint8_t mtype, const unsigned char *data, size_t dlen) |
919ba009 | 1271 | { |
38b051a1 TM |
1272 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1273 | ||
1274 | if (sc == NULL) | |
1275 | return 0; | |
1276 | ||
1277 | return dane_tlsa_add(&sc->dane, usage, selector, mtype, data, dlen); | |
919ba009 VD |
1278 | } |
1279 | ||
a230b26e EK |
1280 | int SSL_CTX_dane_mtype_set(SSL_CTX *ctx, const EVP_MD *md, uint8_t mtype, |
1281 | uint8_t ord) | |
919ba009 VD |
1282 | { |
1283 | return dane_mtype_set(&ctx->dane, md, mtype, ord); | |
1284 | } | |
1285 | ||
ccf11751 | 1286 | int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm) |
0f113f3e MC |
1287 | { |
1288 | return X509_VERIFY_PARAM_set1(ctx->param, vpm); | |
1289 | } | |
ccf11751 DSH |
1290 | |
1291 | int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm) | |
0f113f3e | 1292 | { |
38b051a1 TM |
1293 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
1294 | ||
1295 | if (sc == NULL) | |
1296 | return 0; | |
1297 | ||
1298 | return X509_VERIFY_PARAM_set1(sc->param, vpm); | |
0f113f3e | 1299 | } |
ccf11751 | 1300 | |
7af31968 | 1301 | X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx) |
0f113f3e MC |
1302 | { |
1303 | return ctx->param; | |
1304 | } | |
7af31968 DSH |
1305 | |
1306 | X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl) | |
0f113f3e | 1307 | { |
38b051a1 TM |
1308 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
1309 | ||
1310 | if (sc == NULL) | |
1311 | return NULL; | |
1312 | ||
1313 | return sc->param; | |
0f113f3e | 1314 | } |
7af31968 | 1315 | |
a5ee80b9 | 1316 | void SSL_certs_clear(SSL *s) |
0f113f3e | 1317 | { |
38b051a1 TM |
1318 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1319 | ||
1320 | if (sc == NULL) | |
1321 | return; | |
1322 | ||
1323 | ssl_cert_clear_certs(sc->cert); | |
0f113f3e | 1324 | } |
a5ee80b9 | 1325 | |
4f43d0e7 | 1326 | void SSL_free(SSL *s) |
0f113f3e MC |
1327 | { |
1328 | int i; | |
58964a49 | 1329 | |
e6e9170d RS |
1330 | if (s == NULL) |
1331 | return; | |
2f545ae4 | 1332 | CRYPTO_DOWN_REF(&s->references, &i, s->lock); |
f3f1cf84 | 1333 | REF_PRINT_COUNT("SSL", s); |
0f113f3e MC |
1334 | if (i > 0) |
1335 | return; | |
f3f1cf84 | 1336 | REF_ASSERT_ISNT(i < 0); |
d02b48c6 | 1337 | |
38b051a1 TM |
1338 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data); |
1339 | ||
1340 | if (s->method != NULL) | |
1341 | s->method->ssl_free(s); | |
1342 | ||
1343 | SSL_CTX_free(s->ctx); | |
1344 | CRYPTO_THREAD_lock_free(s->lock); | |
1345 | ||
1346 | OPENSSL_free(s); | |
1347 | } | |
1348 | ||
1349 | void ossl_ssl_connection_free(SSL *ssl) | |
1350 | { | |
1351 | SSL_CONNECTION *s; | |
1352 | ||
1353 | s = SSL_CONNECTION_FROM_SSL_ONLY(ssl); | |
1354 | if (s == NULL) | |
1355 | return; | |
1356 | ||
222561fe | 1357 | X509_VERIFY_PARAM_free(s->param); |
919ba009 | 1358 | dane_final(&s->dane); |
0f113f3e | 1359 | |
b77f3ed1 | 1360 | /* Ignore return value */ |
2e7dc7cd MC |
1361 | ssl_free_wbio_buffer(s); |
1362 | ||
9ff51954 MC |
1363 | RECORD_LAYER_clear(&s->rlayer); |
1364 | ||
25aaa98a | 1365 | BUF_MEM_free(s->init_buf); |
0f113f3e MC |
1366 | |
1367 | /* add extra stuff */ | |
25aaa98a RS |
1368 | sk_SSL_CIPHER_free(s->cipher_list); |
1369 | sk_SSL_CIPHER_free(s->cipher_list_by_id); | |
f865b081 | 1370 | sk_SSL_CIPHER_free(s->tls13_ciphersuites); |
eee2a6a7 | 1371 | sk_SSL_CIPHER_free(s->peer_ciphers); |
0f113f3e MC |
1372 | |
1373 | /* Make the next call work :-) */ | |
1374 | if (s->session != NULL) { | |
1375 | ssl_clear_bad_session(s); | |
1376 | SSL_SESSION_free(s->session); | |
1377 | } | |
9368f865 | 1378 | SSL_SESSION_free(s->psksession); |
add8d0e9 | 1379 | OPENSSL_free(s->psksession_id); |
0f113f3e | 1380 | |
e0e920b1 | 1381 | ssl_cert_free(s->cert); |
29948ac8 | 1382 | OPENSSL_free(s->shared_sigalgs); |
0f113f3e | 1383 | /* Free up if allocated */ |
d02b48c6 | 1384 | |
aff8c126 | 1385 | OPENSSL_free(s->ext.hostname); |
222da979 | 1386 | SSL_CTX_free(s->session_ctx); |
aff8c126 | 1387 | OPENSSL_free(s->ext.ecpointformats); |
cd0fb43c | 1388 | OPENSSL_free(s->ext.peer_ecpointformats); |
aff8c126 | 1389 | OPENSSL_free(s->ext.supportedgroups); |
45436e61 | 1390 | OPENSSL_free(s->ext.peer_supportedgroups); |
aff8c126 | 1391 | sk_X509_EXTENSION_pop_free(s->ext.ocsp.exts, X509_EXTENSION_free); |
3e41ac35 | 1392 | #ifndef OPENSSL_NO_OCSP |
aff8c126 | 1393 | sk_OCSP_RESPID_pop_free(s->ext.ocsp.ids, OCSP_RESPID_free); |
3e41ac35 | 1394 | #endif |
ed29e82a RP |
1395 | #ifndef OPENSSL_NO_CT |
1396 | SCT_LIST_free(s->scts); | |
aff8c126 | 1397 | OPENSSL_free(s->ext.scts); |
ed29e82a | 1398 | #endif |
aff8c126 RS |
1399 | OPENSSL_free(s->ext.ocsp.resp); |
1400 | OPENSSL_free(s->ext.alpn); | |
cfef5027 | 1401 | OPENSSL_free(s->ext.tls13_cookie); |
94941cad MK |
1402 | if (s->clienthello != NULL) |
1403 | OPENSSL_free(s->clienthello->pre_proc_exts); | |
6b1bb98f | 1404 | OPENSSL_free(s->clienthello); |
9d75dce3 TS |
1405 | OPENSSL_free(s->pha_context); |
1406 | EVP_MD_CTX_free(s->pha_dgst); | |
0f113f3e | 1407 | |
fa7c2637 | 1408 | sk_X509_NAME_pop_free(s->ca_names, X509_NAME_free); |
98732979 | 1409 | sk_X509_NAME_pop_free(s->client_ca_names, X509_NAME_free); |
0f113f3e | 1410 | |
79b2a2f2 | 1411 | OSSL_STACK_OF_X509_free(s->verified_chain); |
696178ed | 1412 | |
38b051a1 TM |
1413 | if (ssl->method != NULL) |
1414 | ssl->method->ssl_deinit(ssl); | |
7c3908dd | 1415 | |
ff75a257 MC |
1416 | ASYNC_WAIT_CTX_free(s->waitctx); |
1417 | ||
e481f9b9 | 1418 | #if !defined(OPENSSL_NO_NEXTPROTONEG) |
aff8c126 | 1419 | OPENSSL_free(s->ext.npn); |
ee2ffc27 BL |
1420 | #endif |
1421 | ||
e783bae2 | 1422 | #ifndef OPENSSL_NO_SRTP |
25aaa98a | 1423 | sk_SRTP_PROTECTION_PROFILE_free(s->srtp_profiles); |
0f113f3e | 1424 | #endif |
cd6e89b6 MC |
1425 | |
1426 | /* | |
1427 | * We do this late. We want to ensure that any other references we held to | |
1428 | * these BIOs are freed first *before* we call BIO_free_all(), because | |
1429 | * BIO_free_all() will only free each BIO in the chain if the number of | |
1430 | * references to the first BIO have dropped to 0 | |
1431 | */ | |
1432 | BIO_free_all(s->wbio); | |
1433 | s->wbio = NULL; | |
1434 | BIO_free_all(s->rbio); | |
1435 | s->rbio = NULL; | |
ee58915c | 1436 | OPENSSL_free(s->s3.tmp.valid_flags); |
0f113f3e MC |
1437 | } |
1438 | ||
65e2d672 | 1439 | void SSL_set0_rbio(SSL *s, BIO *rbio) |
3ffbe008 | 1440 | { |
38b051a1 | 1441 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
03bacce8 HL |
1442 | #ifndef OPENSSL_NO_QUIC |
1443 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); | |
1444 | ||
1445 | if (qc != NULL) { | |
1446 | ossl_quic_conn_set0_net_rbio(qc, rbio); | |
1447 | return; | |
1448 | } | |
1449 | #endif | |
38b051a1 TM |
1450 | |
1451 | if (sc == NULL) | |
1452 | return; | |
1453 | ||
1454 | BIO_free_all(sc->rbio); | |
1455 | sc->rbio = rbio; | |
cffafb5f | 1456 | sc->rlayer.rrlmethod->set1_bio(sc->rlayer.rrl, sc->rbio); |
3ffbe008 MC |
1457 | } |
1458 | ||
65e2d672 | 1459 | void SSL_set0_wbio(SSL *s, BIO *wbio) |
0f113f3e | 1460 | { |
38b051a1 | 1461 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
03bacce8 HL |
1462 | #ifndef OPENSSL_NO_QUIC |
1463 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); | |
1464 | ||
1465 | if (qc != NULL) { | |
1466 | ossl_quic_conn_set0_net_wbio(qc, wbio); | |
1467 | return; | |
1468 | } | |
1469 | #endif | |
38b051a1 TM |
1470 | |
1471 | if (sc == NULL) | |
1472 | return; | |
1473 | ||
0f113f3e MC |
1474 | /* |
1475 | * If the output buffering BIO is still in place, remove it | |
1476 | */ | |
38b051a1 TM |
1477 | if (sc->bbio != NULL) |
1478 | sc->wbio = BIO_pop(sc->wbio); | |
2e7dc7cd | 1479 | |
38b051a1 TM |
1480 | BIO_free_all(sc->wbio); |
1481 | sc->wbio = wbio; | |
2e7dc7cd MC |
1482 | |
1483 | /* Re-attach |bbio| to the new |wbio|. */ | |
38b051a1 TM |
1484 | if (sc->bbio != NULL) |
1485 | sc->wbio = BIO_push(sc->bbio, sc->wbio); | |
b5cf81f7 MC |
1486 | |
1487 | sc->rlayer.wrlmethod->set1_bio(sc->rlayer.wrl, sc->wbio); | |
0f113f3e | 1488 | } |
d02b48c6 | 1489 | |
3ffbe008 MC |
1490 | void SSL_set_bio(SSL *s, BIO *rbio, BIO *wbio) |
1491 | { | |
65e2d672 MC |
1492 | /* |
1493 | * For historical reasons, this function has many different cases in | |
1494 | * ownership handling. | |
1495 | */ | |
1496 | ||
1497 | /* If nothing has changed, do nothing */ | |
1498 | if (rbio == SSL_get_rbio(s) && wbio == SSL_get_wbio(s)) | |
1499 | return; | |
1500 | ||
1501 | /* | |
1502 | * If the two arguments are equal then one fewer reference is granted by the | |
1503 | * caller than we want to take | |
1504 | */ | |
1505 | if (rbio != NULL && rbio == wbio) | |
1506 | BIO_up_ref(rbio); | |
1507 | ||
1508 | /* | |
1509 | * If only the wbio is changed only adopt one reference. | |
1510 | */ | |
1511 | if (rbio == SSL_get_rbio(s)) { | |
1512 | SSL_set0_wbio(s, wbio); | |
1513 | return; | |
1514 | } | |
1515 | /* | |
1516 | * There is an asymmetry here for historical reasons. If only the rbio is | |
1517 | * changed AND the rbio and wbio were originally different, then we only | |
1518 | * adopt one reference. | |
1519 | */ | |
1520 | if (wbio == SSL_get_wbio(s) && SSL_get_rbio(s) != SSL_get_wbio(s)) { | |
1521 | SSL_set0_rbio(s, rbio); | |
1522 | return; | |
1523 | } | |
1524 | ||
1525 | /* Otherwise, adopt both references. */ | |
1526 | SSL_set0_rbio(s, rbio); | |
1527 | SSL_set0_wbio(s, wbio); | |
3ffbe008 MC |
1528 | } |
1529 | ||
0821bcd4 | 1530 | BIO *SSL_get_rbio(const SSL *s) |
0f113f3e | 1531 | { |
38b051a1 | 1532 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
03bacce8 HL |
1533 | #ifndef OPENSSL_NO_QUIC |
1534 | const QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_CONST_SSL(s); | |
1535 | ||
1536 | if (qc != NULL) | |
1537 | return ossl_quic_conn_get_net_rbio(qc); | |
1538 | #endif | |
38b051a1 TM |
1539 | |
1540 | if (sc == NULL) | |
1541 | return NULL; | |
1542 | ||
1543 | return sc->rbio; | |
0f113f3e | 1544 | } |
d02b48c6 | 1545 | |
0821bcd4 | 1546 | BIO *SSL_get_wbio(const SSL *s) |
0f113f3e | 1547 | { |
38b051a1 | 1548 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
03bacce8 HL |
1549 | #ifndef OPENSSL_NO_QUIC |
1550 | const QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_CONST_SSL(s); | |
1551 | ||
1552 | if (qc != NULL) | |
1553 | return ossl_quic_conn_get_net_rbio(qc); | |
1554 | #endif | |
38b051a1 TM |
1555 | |
1556 | if (sc == NULL) | |
1557 | return NULL; | |
1558 | ||
1559 | if (sc->bbio != NULL) { | |
2e7dc7cd MC |
1560 | /* |
1561 | * If |bbio| is active, the true caller-configured BIO is its | |
1562 | * |next_bio|. | |
1563 | */ | |
38b051a1 | 1564 | return BIO_next(sc->bbio); |
2e7dc7cd | 1565 | } |
38b051a1 | 1566 | return sc->wbio; |
0f113f3e | 1567 | } |
d02b48c6 | 1568 | |
0821bcd4 | 1569 | int SSL_get_fd(const SSL *s) |
0f113f3e | 1570 | { |
2e7dc7cd | 1571 | return SSL_get_rfd(s); |
0f113f3e | 1572 | } |
24cbf3ef | 1573 | |
0821bcd4 | 1574 | int SSL_get_rfd(const SSL *s) |
0f113f3e MC |
1575 | { |
1576 | int ret = -1; | |
1577 | BIO *b, *r; | |
1578 | ||
1579 | b = SSL_get_rbio(s); | |
1580 | r = BIO_find_type(b, BIO_TYPE_DESCRIPTOR); | |
1581 | if (r != NULL) | |
1582 | BIO_get_fd(r, &ret); | |
26a7d938 | 1583 | return ret; |
0f113f3e | 1584 | } |
d02b48c6 | 1585 | |
0821bcd4 | 1586 | int SSL_get_wfd(const SSL *s) |
0f113f3e MC |
1587 | { |
1588 | int ret = -1; | |
1589 | BIO *b, *r; | |
1590 | ||
1591 | b = SSL_get_wbio(s); | |
1592 | r = BIO_find_type(b, BIO_TYPE_DESCRIPTOR); | |
1593 | if (r != NULL) | |
1594 | BIO_get_fd(r, &ret); | |
26a7d938 | 1595 | return ret; |
0f113f3e | 1596 | } |
24cbf3ef | 1597 | |
bc36ee62 | 1598 | #ifndef OPENSSL_NO_SOCK |
0f113f3e MC |
1599 | int SSL_set_fd(SSL *s, int fd) |
1600 | { | |
1601 | int ret = 0; | |
1602 | BIO *bio = NULL; | |
1603 | ||
1604 | bio = BIO_new(BIO_s_socket()); | |
1605 | ||
1606 | if (bio == NULL) { | |
6849b73c | 1607 | ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB); |
0f113f3e MC |
1608 | goto err; |
1609 | } | |
1610 | BIO_set_fd(bio, fd, BIO_NOCLOSE); | |
1611 | SSL_set_bio(s, bio, bio); | |
50ec7505 BP |
1612 | #ifndef OPENSSL_NO_KTLS |
1613 | /* | |
1614 | * The new socket is created successfully regardless of ktls_enable. | |
1615 | * ktls_enable doesn't change any functionality of the socket, except | |
1616 | * changing the setsockopt to enable the processing of ktls_start. | |
1617 | * Thus, it is not a problem to call it for non-TLS sockets. | |
1618 | */ | |
1619 | ktls_enable(fd); | |
1620 | #endif /* OPENSSL_NO_KTLS */ | |
0f113f3e MC |
1621 | ret = 1; |
1622 | err: | |
26a7d938 | 1623 | return ret; |
0f113f3e | 1624 | } |
d02b48c6 | 1625 | |
0f113f3e MC |
1626 | int SSL_set_wfd(SSL *s, int fd) |
1627 | { | |
2e7dc7cd | 1628 | BIO *rbio = SSL_get_rbio(s); |
0f113f3e | 1629 | |
2e7dc7cd MC |
1630 | if (rbio == NULL || BIO_method_type(rbio) != BIO_TYPE_SOCKET |
1631 | || (int)BIO_get_fd(rbio, NULL) != fd) { | |
1632 | BIO *bio = BIO_new(BIO_s_socket()); | |
0f113f3e MC |
1633 | |
1634 | if (bio == NULL) { | |
6849b73c | 1635 | ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB); |
2e7dc7cd | 1636 | return 0; |
0f113f3e MC |
1637 | } |
1638 | BIO_set_fd(bio, fd, BIO_NOCLOSE); | |
65e2d672 | 1639 | SSL_set0_wbio(s, bio); |
50ec7505 BP |
1640 | #ifndef OPENSSL_NO_KTLS |
1641 | /* | |
1642 | * The new socket is created successfully regardless of ktls_enable. | |
1643 | * ktls_enable doesn't change any functionality of the socket, except | |
1644 | * changing the setsockopt to enable the processing of ktls_start. | |
1645 | * Thus, it is not a problem to call it for non-TLS sockets. | |
1646 | */ | |
1647 | ktls_enable(fd); | |
1648 | #endif /* OPENSSL_NO_KTLS */ | |
2e7dc7cd | 1649 | } else { |
65e2d672 MC |
1650 | BIO_up_ref(rbio); |
1651 | SSL_set0_wbio(s, rbio); | |
2e7dc7cd MC |
1652 | } |
1653 | return 1; | |
0f113f3e MC |
1654 | } |
1655 | ||
1656 | int SSL_set_rfd(SSL *s, int fd) | |
1657 | { | |
2e7dc7cd | 1658 | BIO *wbio = SSL_get_wbio(s); |
0f113f3e | 1659 | |
2e7dc7cd MC |
1660 | if (wbio == NULL || BIO_method_type(wbio) != BIO_TYPE_SOCKET |
1661 | || ((int)BIO_get_fd(wbio, NULL) != fd)) { | |
1662 | BIO *bio = BIO_new(BIO_s_socket()); | |
0f113f3e MC |
1663 | |
1664 | if (bio == NULL) { | |
6849b73c | 1665 | ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB); |
2e7dc7cd | 1666 | return 0; |
0f113f3e MC |
1667 | } |
1668 | BIO_set_fd(bio, fd, BIO_NOCLOSE); | |
65e2d672 | 1669 | SSL_set0_rbio(s, bio); |
2e7dc7cd | 1670 | } else { |
65e2d672 MC |
1671 | BIO_up_ref(wbio); |
1672 | SSL_set0_rbio(s, wbio); | |
2e7dc7cd MC |
1673 | } |
1674 | ||
1675 | return 1; | |
0f113f3e MC |
1676 | } |
1677 | #endif | |
ca03109c BM |
1678 | |
1679 | /* return length of latest Finished message we sent, copy to 'buf' */ | |
0821bcd4 | 1680 | size_t SSL_get_finished(const SSL *s, void *buf, size_t count) |
0f113f3e MC |
1681 | { |
1682 | size_t ret = 0; | |
38b051a1 TM |
1683 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
1684 | ||
1685 | if (sc == NULL) | |
1686 | return 0; | |
0f113f3e | 1687 | |
38b051a1 | 1688 | ret = sc->s3.tmp.finish_md_len; |
555cbb32 TS |
1689 | if (count > ret) |
1690 | count = ret; | |
38b051a1 | 1691 | memcpy(buf, sc->s3.tmp.finish_md, count); |
0f113f3e MC |
1692 | return ret; |
1693 | } | |
ca03109c BM |
1694 | |
1695 | /* return length of latest Finished message we expected, copy to 'buf' */ | |
0821bcd4 | 1696 | size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count) |
0f113f3e MC |
1697 | { |
1698 | size_t ret = 0; | |
38b051a1 | 1699 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
ca03109c | 1700 | |
38b051a1 TM |
1701 | if (sc == NULL) |
1702 | return 0; | |
1703 | ||
1704 | ret = sc->s3.tmp.peer_finish_md_len; | |
555cbb32 TS |
1705 | if (count > ret) |
1706 | count = ret; | |
38b051a1 | 1707 | memcpy(buf, sc->s3.tmp.peer_finish_md, count); |
0f113f3e MC |
1708 | return ret; |
1709 | } | |
ca03109c | 1710 | |
0821bcd4 | 1711 | int SSL_get_verify_mode(const SSL *s) |
0f113f3e | 1712 | { |
38b051a1 TM |
1713 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
1714 | ||
1715 | if (sc == NULL) | |
1716 | return 0; | |
1717 | ||
1718 | return sc->verify_mode; | |
0f113f3e | 1719 | } |
d02b48c6 | 1720 | |
0821bcd4 | 1721 | int SSL_get_verify_depth(const SSL *s) |
0f113f3e | 1722 | { |
38b051a1 TM |
1723 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
1724 | ||
1725 | if (sc == NULL) | |
1726 | return 0; | |
1727 | ||
1728 | return X509_VERIFY_PARAM_get_depth(sc->param); | |
0f113f3e | 1729 | } |
7f89714e | 1730 | |
0f113f3e | 1731 | int (*SSL_get_verify_callback(const SSL *s)) (int, X509_STORE_CTX *) { |
38b051a1 TM |
1732 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
1733 | ||
1734 | if (sc == NULL) | |
1735 | return NULL; | |
1736 | ||
1737 | return sc->verify_callback; | |
0f113f3e | 1738 | } |
d02b48c6 | 1739 | |
0821bcd4 | 1740 | int SSL_CTX_get_verify_mode(const SSL_CTX *ctx) |
0f113f3e | 1741 | { |
26a7d938 | 1742 | return ctx->verify_mode; |
0f113f3e | 1743 | } |
d02b48c6 | 1744 | |
0821bcd4 | 1745 | int SSL_CTX_get_verify_depth(const SSL_CTX *ctx) |
0f113f3e MC |
1746 | { |
1747 | return X509_VERIFY_PARAM_get_depth(ctx->param); | |
1748 | } | |
1749 | ||
1750 | int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx)) (int, X509_STORE_CTX *) { | |
26a7d938 | 1751 | return ctx->default_verify_callback; |
0f113f3e MC |
1752 | } |
1753 | ||
1754 | void SSL_set_verify(SSL *s, int mode, | |
1755 | int (*callback) (int ok, X509_STORE_CTX *ctx)) | |
1756 | { | |
38b051a1 TM |
1757 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1758 | ||
1759 | if (sc == NULL) | |
1760 | return; | |
1761 | ||
1762 | sc->verify_mode = mode; | |
0f113f3e | 1763 | if (callback != NULL) |
38b051a1 | 1764 | sc->verify_callback = callback; |
0f113f3e MC |
1765 | } |
1766 | ||
1767 | void SSL_set_verify_depth(SSL *s, int depth) | |
1768 | { | |
38b051a1 TM |
1769 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1770 | ||
1771 | if (sc == NULL) | |
1772 | return; | |
1773 | ||
1774 | X509_VERIFY_PARAM_set_depth(sc->param, depth); | |
0f113f3e MC |
1775 | } |
1776 | ||
1777 | void SSL_set_read_ahead(SSL *s, int yes) | |
1778 | { | |
38b051a1 | 1779 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4566dae7 | 1780 | OSSL_PARAM options[2], *opts = options; |
38b051a1 TM |
1781 | |
1782 | if (sc == NULL) | |
1783 | return; | |
1784 | ||
1785 | RECORD_LAYER_set_read_ahead(&sc->rlayer, yes); | |
4566dae7 MC |
1786 | |
1787 | *opts++ = OSSL_PARAM_construct_int(OSSL_LIBSSL_RECORD_LAYER_PARAM_READ_AHEAD, | |
1788 | &sc->rlayer.read_ahead); | |
1789 | *opts = OSSL_PARAM_construct_end(); | |
1790 | ||
1791 | /* Ignore return value */ | |
1792 | sc->rlayer.rrlmethod->set_options(sc->rlayer.rrl, options); | |
0f113f3e | 1793 | } |
d02b48c6 | 1794 | |
0821bcd4 | 1795 | int SSL_get_read_ahead(const SSL *s) |
0f113f3e | 1796 | { |
38b051a1 TM |
1797 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
1798 | ||
1799 | if (sc == NULL) | |
1800 | return 0; | |
1801 | ||
1802 | return RECORD_LAYER_get_read_ahead(&sc->rlayer); | |
0f113f3e | 1803 | } |
d02b48c6 | 1804 | |
0821bcd4 | 1805 | int SSL_pending(const SSL *s) |
0f113f3e | 1806 | { |
8b0e934a MC |
1807 | size_t pending = s->method->ssl_pending(s); |
1808 | ||
0f113f3e MC |
1809 | /* |
1810 | * SSL_pending cannot work properly if read-ahead is enabled | |
1811 | * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)), and it is | |
1812 | * impossible to fix since SSL_pending cannot report errors that may be | |
1813 | * observed while scanning the new data. (Note that SSL_pending() is | |
1814 | * often used as a boolean value, so we'd better not return -1.) | |
8b0e934a MC |
1815 | * |
1816 | * SSL_pending also cannot work properly if the value >INT_MAX. In that case | |
1817 | * we just return INT_MAX. | |
0f113f3e | 1818 | */ |
348240c6 | 1819 | return pending < INT_MAX ? (int)pending : INT_MAX; |
0f113f3e | 1820 | } |
d02b48c6 | 1821 | |
49580f25 MC |
1822 | int SSL_has_pending(const SSL *s) |
1823 | { | |
1824 | /* | |
1825 | * Similar to SSL_pending() but returns a 1 to indicate that we have | |
6d6b295a MC |
1826 | * processed or unprocessed data available or 0 otherwise (as opposed to the |
1827 | * number of bytes available). Unlike SSL_pending() this will take into | |
1828 | * account read_ahead data. A 1 return simply indicates that we have data. | |
1829 | * That data may not result in any application data, or we may fail to parse | |
1830 | * the records for some reason. | |
49580f25 | 1831 | */ |
560470b5 MC |
1832 | const SSL_CONNECTION *sc; |
1833 | #ifndef OPENSSL_NO_QUIC | |
1834 | const QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_CONST_SSL(s); | |
1835 | ||
1836 | if (qc != NULL) | |
1837 | return ossl_quic_has_pending(qc); | |
1838 | #endif | |
1839 | ||
1840 | ||
1841 | sc = SSL_CONNECTION_FROM_CONST_SSL(s); | |
38b051a1 | 1842 | |
6d6b295a MC |
1843 | /* Check buffered app data if any first */ |
1844 | if (SSL_CONNECTION_IS_DTLS(sc)) { | |
eddb067e | 1845 | TLS_RECORD *rdata; |
6d6b295a MC |
1846 | pitem *item, *iter; |
1847 | ||
1848 | iter = pqueue_iterator(sc->rlayer.d->buffered_app_data.q); | |
1849 | while ((item = pqueue_next(&iter)) != NULL) { | |
1850 | rdata = item->data; | |
eddb067e | 1851 | if (rdata->length > 0) |
6d6b295a MC |
1852 | return 1; |
1853 | } | |
1854 | } | |
38b051a1 TM |
1855 | |
1856 | if (RECORD_LAYER_processed_read_pending(&sc->rlayer)) | |
49580f25 MC |
1857 | return 1; |
1858 | ||
38b051a1 | 1859 | return RECORD_LAYER_read_pending(&sc->rlayer); |
49580f25 MC |
1860 | } |
1861 | ||
8c2bfd25 | 1862 | X509 *SSL_get1_peer_certificate(const SSL *s) |
0f113f3e | 1863 | { |
8c2bfd25 | 1864 | X509 *r = SSL_get0_peer_certificate(s); |
d02b48c6 | 1865 | |
8c2bfd25 TS |
1866 | if (r != NULL) |
1867 | X509_up_ref(r); | |
0f113f3e | 1868 | |
26a7d938 | 1869 | return r; |
0f113f3e | 1870 | } |
d02b48c6 | 1871 | |
8c2bfd25 TS |
1872 | X509 *SSL_get0_peer_certificate(const SSL *s) |
1873 | { | |
38b051a1 TM |
1874 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
1875 | ||
1876 | if (sc == NULL) | |
1877 | return NULL; | |
1878 | ||
1879 | if (sc->session == NULL) | |
8c2bfd25 TS |
1880 | return NULL; |
1881 | else | |
38b051a1 | 1882 | return sc->session->peer; |
8c2bfd25 TS |
1883 | } |
1884 | ||
0821bcd4 | 1885 | STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s) |
0f113f3e MC |
1886 | { |
1887 | STACK_OF(X509) *r; | |
38b051a1 | 1888 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
0f113f3e | 1889 | |
38b051a1 TM |
1890 | if (sc == NULL) |
1891 | return NULL; | |
1892 | ||
1893 | if (sc->session == NULL) | |
0f113f3e MC |
1894 | r = NULL; |
1895 | else | |
38b051a1 | 1896 | r = sc->session->peer_chain; |
0f113f3e MC |
1897 | |
1898 | /* | |
1899 | * If we are a client, cert_chain includes the peer's own certificate; if | |
1900 | * we are a server, it does not. | |
1901 | */ | |
1902 | ||
26a7d938 | 1903 | return r; |
0f113f3e MC |
1904 | } |
1905 | ||
1906 | /* | |
1907 | * Now in theory, since the calling process own 't' it should be safe to | |
1908 | * modify. We need to be able to read f without being hassled | |
1909 | */ | |
17dd65e6 | 1910 | int SSL_copy_session_id(SSL *t, const SSL *f) |
0f113f3e | 1911 | { |
16203f7b | 1912 | int i; |
38b051a1 TM |
1913 | /* TODO(QUIC): Do we want to support this for QUIC connections? */ |
1914 | SSL_CONNECTION *tsc = SSL_CONNECTION_FROM_SSL_ONLY(t); | |
1915 | const SSL_CONNECTION *fsc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(f); | |
1916 | ||
1917 | if (tsc == NULL || fsc == NULL) | |
1918 | return 0; | |
1919 | ||
3e6a0d57 | 1920 | /* Do we need to do SSL locking? */ |
61986d32 | 1921 | if (!SSL_set_session(t, SSL_get_session(f))) { |
17dd65e6 | 1922 | return 0; |
69f68237 | 1923 | } |
0f113f3e MC |
1924 | |
1925 | /* | |
87d9cafa | 1926 | * what if we are setup for one protocol version but want to talk another |
0f113f3e MC |
1927 | */ |
1928 | if (t->method != f->method) { | |
38b051a1 | 1929 | t->method->ssl_deinit(t); |
919ba009 | 1930 | t->method = f->method; |
38b051a1 | 1931 | if (t->method->ssl_init(t) == 0) |
919ba009 | 1932 | return 0; |
0f113f3e MC |
1933 | } |
1934 | ||
38b051a1 TM |
1935 | CRYPTO_UP_REF(&fsc->cert->references, &i, fsc->cert->lock); |
1936 | ssl_cert_free(tsc->cert); | |
1937 | tsc->cert = fsc->cert; | |
1938 | if (!SSL_set_session_id_context(t, fsc->sid_ctx, (int)fsc->sid_ctx_length)) { | |
17dd65e6 | 1939 | return 0; |
69f68237 | 1940 | } |
17dd65e6 MC |
1941 | |
1942 | return 1; | |
0f113f3e | 1943 | } |
d02b48c6 | 1944 | |
58964a49 | 1945 | /* Fix this so it checks all the valid key/cert options */ |
0821bcd4 | 1946 | int SSL_CTX_check_private_key(const SSL_CTX *ctx) |
0f113f3e | 1947 | { |
a230b26e | 1948 | if ((ctx == NULL) || (ctx->cert->key->x509 == NULL)) { |
6849b73c | 1949 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_CERTIFICATE_ASSIGNED); |
26a7d938 | 1950 | return 0; |
0f113f3e MC |
1951 | } |
1952 | if (ctx->cert->key->privatekey == NULL) { | |
6849b73c | 1953 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_PRIVATE_KEY_ASSIGNED); |
26a7d938 | 1954 | return 0; |
0f113f3e | 1955 | } |
26a7d938 K |
1956 | return X509_check_private_key |
1957 | (ctx->cert->key->x509, ctx->cert->key->privatekey); | |
0f113f3e | 1958 | } |
d02b48c6 | 1959 | |
58964a49 | 1960 | /* Fix this function so that it takes an optional type parameter */ |
0821bcd4 | 1961 | int SSL_check_private_key(const SSL *ssl) |
0f113f3e | 1962 | { |
38b051a1 TM |
1963 | const SSL_CONNECTION *sc; |
1964 | ||
1965 | if ((sc = SSL_CONNECTION_FROM_CONST_SSL(ssl)) == NULL) { | |
6849b73c | 1966 | ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER); |
26a7d938 | 1967 | return 0; |
0f113f3e | 1968 | } |
38b051a1 | 1969 | if (sc->cert->key->x509 == NULL) { |
6849b73c | 1970 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_CERTIFICATE_ASSIGNED); |
26a7d938 | 1971 | return 0; |
0f113f3e | 1972 | } |
38b051a1 | 1973 | if (sc->cert->key->privatekey == NULL) { |
6849b73c | 1974 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_PRIVATE_KEY_ASSIGNED); |
26a7d938 | 1975 | return 0; |
0f113f3e | 1976 | } |
38b051a1 TM |
1977 | return X509_check_private_key(sc->cert->key->x509, |
1978 | sc->cert->key->privatekey); | |
0f113f3e | 1979 | } |
d02b48c6 | 1980 | |
07bbc92c MC |
1981 | int SSL_waiting_for_async(SSL *s) |
1982 | { | |
38b051a1 TM |
1983 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
1984 | ||
1985 | if (sc == NULL) | |
1986 | return 0; | |
1987 | ||
1988 | if (sc->job) | |
82676094 MC |
1989 | return 1; |
1990 | ||
07bbc92c MC |
1991 | return 0; |
1992 | } | |
1993 | ||
ff75a257 | 1994 | int SSL_get_all_async_fds(SSL *s, OSSL_ASYNC_FD *fds, size_t *numfds) |
f4da39d2 | 1995 | { |
38b051a1 TM |
1996 | ASYNC_WAIT_CTX *ctx; |
1997 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
ff75a257 | 1998 | |
38b051a1 TM |
1999 | if (sc == NULL) |
2000 | return 0; | |
2001 | ||
2002 | if ((ctx = sc->waitctx) == NULL) | |
ff75a257 MC |
2003 | return 0; |
2004 | return ASYNC_WAIT_CTX_get_all_fds(ctx, fds, numfds); | |
2005 | } | |
f4da39d2 | 2006 | |
ff75a257 MC |
2007 | int SSL_get_changed_async_fds(SSL *s, OSSL_ASYNC_FD *addfd, size_t *numaddfds, |
2008 | OSSL_ASYNC_FD *delfd, size_t *numdelfds) | |
2009 | { | |
38b051a1 TM |
2010 | ASYNC_WAIT_CTX *ctx; |
2011 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
ff75a257 | 2012 | |
38b051a1 TM |
2013 | if (sc == NULL) |
2014 | return 0; | |
2015 | ||
2016 | if ((ctx = sc->waitctx) == NULL) | |
ff75a257 MC |
2017 | return 0; |
2018 | return ASYNC_WAIT_CTX_get_changed_fds(ctx, addfd, numaddfds, delfd, | |
2019 | numdelfds); | |
f4da39d2 MC |
2020 | } |
2021 | ||
9f5a87fd PY |
2022 | int SSL_CTX_set_async_callback(SSL_CTX *ctx, SSL_async_callback_fn callback) |
2023 | { | |
2024 | ctx->async_cb = callback; | |
2025 | return 1; | |
2026 | } | |
2027 | ||
2028 | int SSL_CTX_set_async_callback_arg(SSL_CTX *ctx, void *arg) | |
2029 | { | |
2030 | ctx->async_cb_arg = arg; | |
2031 | return 1; | |
2032 | } | |
2033 | ||
2034 | int SSL_set_async_callback(SSL *s, SSL_async_callback_fn callback) | |
2035 | { | |
38b051a1 TM |
2036 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
2037 | ||
2038 | if (sc == NULL) | |
2039 | return 0; | |
2040 | ||
2041 | sc->async_cb = callback; | |
9f5a87fd PY |
2042 | return 1; |
2043 | } | |
2044 | ||
2045 | int SSL_set_async_callback_arg(SSL *s, void *arg) | |
2046 | { | |
38b051a1 TM |
2047 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
2048 | ||
2049 | if (sc == NULL) | |
2050 | return 0; | |
2051 | ||
2052 | sc->async_cb_arg = arg; | |
9f5a87fd PY |
2053 | return 1; |
2054 | } | |
2055 | ||
2056 | int SSL_get_async_status(SSL *s, int *status) | |
2057 | { | |
38b051a1 TM |
2058 | ASYNC_WAIT_CTX *ctx; |
2059 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
9f5a87fd | 2060 | |
38b051a1 TM |
2061 | if (sc == NULL) |
2062 | return 0; | |
2063 | ||
2064 | if ((ctx = sc->waitctx) == NULL) | |
9f5a87fd PY |
2065 | return 0; |
2066 | *status = ASYNC_WAIT_CTX_get_status(ctx); | |
2067 | return 1; | |
2068 | } | |
2069 | ||
4f43d0e7 | 2070 | int SSL_accept(SSL *s) |
0f113f3e | 2071 | { |
38b051a1 | 2072 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6292519c | 2073 | #ifndef OPENSSL_NO_QUIC |
03bacce8 HL |
2074 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); |
2075 | ||
2076 | if (qc != NULL) | |
2077 | return s->method->ssl_accept(s); | |
6292519c | 2078 | #endif |
38b051a1 TM |
2079 | |
2080 | if (sc == NULL) | |
2081 | return 0; | |
2082 | ||
2083 | if (sc->handshake_func == NULL) { | |
0f113f3e MC |
2084 | /* Not properly initialized yet */ |
2085 | SSL_set_accept_state(s); | |
07bbc92c | 2086 | } |
add2f5ca MC |
2087 | |
2088 | return SSL_do_handshake(s); | |
0f113f3e | 2089 | } |
d02b48c6 | 2090 | |
4f43d0e7 | 2091 | int SSL_connect(SSL *s) |
0f113f3e | 2092 | { |
38b051a1 | 2093 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6292519c | 2094 | #ifndef OPENSSL_NO_QUIC |
03bacce8 HL |
2095 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); |
2096 | ||
2097 | if (qc != NULL) | |
2098 | return s->method->ssl_connect(s); | |
6292519c | 2099 | #endif |
38b051a1 TM |
2100 | |
2101 | if (sc == NULL) | |
2102 | return 0; | |
2103 | ||
2104 | if (sc->handshake_func == NULL) { | |
0f113f3e MC |
2105 | /* Not properly initialized yet */ |
2106 | SSL_set_connect_state(s); | |
add2f5ca | 2107 | } |
b31b04d9 | 2108 | |
add2f5ca | 2109 | return SSL_do_handshake(s); |
0f113f3e | 2110 | } |
d02b48c6 | 2111 | |
0821bcd4 | 2112 | long SSL_get_default_timeout(const SSL *s) |
0f113f3e | 2113 | { |
f0131dc0 | 2114 | return (long int)ossl_time2seconds(s->method->get_timeout()); |
0f113f3e MC |
2115 | } |
2116 | ||
9f5a87fd PY |
2117 | static int ssl_async_wait_ctx_cb(void *arg) |
2118 | { | |
2119 | SSL *s = (SSL *)arg; | |
38b051a1 | 2120 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
9f5a87fd | 2121 | |
38b051a1 TM |
2122 | if (sc == NULL) |
2123 | return 0; | |
2124 | ||
2125 | return sc->async_cb(s, sc->async_cb_arg); | |
9f5a87fd PY |
2126 | } |
2127 | ||
7fecbf6f | 2128 | static int ssl_start_async_job(SSL *s, struct ssl_async_args *args, |
a230b26e EK |
2129 | int (*func) (void *)) |
2130 | { | |
add2f5ca | 2131 | int ret; |
38b051a1 TM |
2132 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
2133 | ||
2134 | if (sc == NULL) | |
2135 | return 0; | |
2136 | ||
2137 | if (sc->waitctx == NULL) { | |
2138 | sc->waitctx = ASYNC_WAIT_CTX_new(); | |
2139 | if (sc->waitctx == NULL) | |
ff75a257 | 2140 | return -1; |
38b051a1 | 2141 | if (sc->async_cb != NULL |
9f5a87fd | 2142 | && !ASYNC_WAIT_CTX_set_callback |
38b051a1 | 2143 | (sc->waitctx, ssl_async_wait_ctx_cb, s)) |
9f5a87fd | 2144 | return -1; |
ff75a257 | 2145 | } |
07f620e3 | 2146 | |
38b051a1 TM |
2147 | sc->rwstate = SSL_NOTHING; |
2148 | switch (ASYNC_start_job(&sc->job, sc->waitctx, &ret, func, args, | |
a230b26e | 2149 | sizeof(struct ssl_async_args))) { |
add2f5ca | 2150 | case ASYNC_ERR: |
38b051a1 | 2151 | sc->rwstate = SSL_NOTHING; |
6849b73c | 2152 | ERR_raise(ERR_LIB_SSL, SSL_R_FAILED_TO_INIT_ASYNC); |
add2f5ca MC |
2153 | return -1; |
2154 | case ASYNC_PAUSE: | |
38b051a1 | 2155 | sc->rwstate = SSL_ASYNC_PAUSED; |
add2f5ca | 2156 | return -1; |
fc7f190c | 2157 | case ASYNC_NO_JOBS: |
38b051a1 | 2158 | sc->rwstate = SSL_ASYNC_NO_JOBS; |
fc7f190c | 2159 | return -1; |
add2f5ca | 2160 | case ASYNC_FINISH: |
38b051a1 | 2161 | sc->job = NULL; |
add2f5ca MC |
2162 | return ret; |
2163 | default: | |
38b051a1 | 2164 | sc->rwstate = SSL_NOTHING; |
6849b73c | 2165 | ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR); |
add2f5ca MC |
2166 | /* Shouldn't happen */ |
2167 | return -1; | |
2168 | } | |
2169 | } | |
07bbc92c | 2170 | |
add2f5ca | 2171 | static int ssl_io_intern(void *vargs) |
07bbc92c MC |
2172 | { |
2173 | struct ssl_async_args *args; | |
2174 | SSL *s; | |
2175 | void *buf; | |
348240c6 | 2176 | size_t num; |
38b051a1 | 2177 | SSL_CONNECTION *sc; |
07bbc92c MC |
2178 | |
2179 | args = (struct ssl_async_args *)vargs; | |
2180 | s = args->s; | |
2181 | buf = args->buf; | |
2182 | num = args->num; | |
38b051a1 TM |
2183 | if ((sc = SSL_CONNECTION_FROM_SSL(s)) == NULL) |
2184 | return -1; | |
2185 | ||
ec447924 MC |
2186 | switch (args->type) { |
2187 | case READFUNC: | |
38b051a1 | 2188 | return args->f.func_read(s, buf, num, &sc->asyncrw); |
ec447924 | 2189 | case WRITEFUNC: |
38b051a1 | 2190 | return args->f.func_write(s, buf, num, &sc->asyncrw); |
ec447924 MC |
2191 | case OTHERFUNC: |
2192 | return args->f.func_other(s); | |
2193 | } | |
2194 | return -1; | |
07bbc92c MC |
2195 | } |
2196 | ||
4ee7d3f9 | 2197 | int ssl_read_internal(SSL *s, void *buf, size_t num, size_t *readbytes) |
0f113f3e | 2198 | { |
38b051a1 | 2199 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6292519c | 2200 | #ifndef OPENSSL_NO_QUIC |
03bacce8 HL |
2201 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); |
2202 | ||
2203 | if (qc != NULL) | |
2204 | return s->method->ssl_read(s, buf, num, readbytes); | |
6292519c | 2205 | #endif |
38b051a1 TM |
2206 | |
2207 | if (sc == NULL) | |
2208 | return -1; | |
2209 | ||
2210 | if (sc->handshake_func == NULL) { | |
6849b73c | 2211 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
0f113f3e MC |
2212 | return -1; |
2213 | } | |
2214 | ||
38b051a1 TM |
2215 | if (sc->shutdown & SSL_RECEIVED_SHUTDOWN) { |
2216 | sc->rwstate = SSL_NOTHING; | |
4ee7d3f9 | 2217 | return 0; |
0f113f3e | 2218 | } |
07bbc92c | 2219 | |
38b051a1 TM |
2220 | if (sc->early_data_state == SSL_EARLY_DATA_CONNECT_RETRY |
2221 | || sc->early_data_state == SSL_EARLY_DATA_ACCEPT_RETRY) { | |
6849b73c | 2222 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
0a5ece5b MC |
2223 | return 0; |
2224 | } | |
564547e4 MC |
2225 | /* |
2226 | * If we are a client and haven't received the ServerHello etc then we | |
2227 | * better do that | |
2228 | */ | |
38b051a1 | 2229 | ossl_statem_check_finish_init(sc, 0); |
0a5ece5b | 2230 | |
38b051a1 | 2231 | if ((sc->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
add2f5ca | 2232 | struct ssl_async_args args; |
eda75751 | 2233 | int ret; |
add2f5ca MC |
2234 | |
2235 | args.s = s; | |
2236 | args.buf = buf; | |
2237 | args.num = num; | |
ec447924 MC |
2238 | args.type = READFUNC; |
2239 | args.f.func_read = s->method->ssl_read; | |
add2f5ca | 2240 | |
eda75751 | 2241 | ret = ssl_start_async_job(s, &args, ssl_io_intern); |
38b051a1 | 2242 | *readbytes = sc->asyncrw; |
eda75751 | 2243 | return ret; |
07bbc92c | 2244 | } else { |
54105ddd | 2245 | return s->method->ssl_read(s, buf, num, readbytes); |
07bbc92c | 2246 | } |
0f113f3e MC |
2247 | } |
2248 | ||
4ee7d3f9 | 2249 | int SSL_read(SSL *s, void *buf, int num) |
eda75751 MC |
2250 | { |
2251 | int ret; | |
54105ddd | 2252 | size_t readbytes; |
eda75751 MC |
2253 | |
2254 | if (num < 0) { | |
6849b73c | 2255 | ERR_raise(ERR_LIB_SSL, SSL_R_BAD_LENGTH); |
eda75751 MC |
2256 | return -1; |
2257 | } | |
2258 | ||
4ee7d3f9 | 2259 | ret = ssl_read_internal(s, buf, (size_t)num, &readbytes); |
eda75751 MC |
2260 | |
2261 | /* | |
2262 | * The cast is safe here because ret should be <= INT_MAX because num is | |
2263 | * <= INT_MAX | |
2264 | */ | |
2265 | if (ret > 0) | |
54105ddd | 2266 | ret = (int)readbytes; |
eda75751 MC |
2267 | |
2268 | return ret; | |
2269 | } | |
2270 | ||
4ee7d3f9 KR |
2271 | int SSL_read_ex(SSL *s, void *buf, size_t num, size_t *readbytes) |
2272 | { | |
2273 | int ret = ssl_read_internal(s, buf, num, readbytes); | |
2274 | ||
2275 | if (ret < 0) | |
2276 | ret = 0; | |
2277 | return ret; | |
2278 | } | |
2279 | ||
f533fbd4 | 2280 | int SSL_read_early_data(SSL *s, void *buf, size_t num, size_t *readbytes) |
d781d247 MC |
2281 | { |
2282 | int ret; | |
38b051a1 TM |
2283 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
2284 | ||
2285 | /* TODO(QUIC): This will need special handling for QUIC */ | |
2286 | if (sc == NULL) | |
2287 | return 0; | |
d781d247 | 2288 | |
38b051a1 | 2289 | if (!sc->server) { |
6849b73c | 2290 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
f533fbd4 | 2291 | return SSL_READ_EARLY_DATA_ERROR; |
d781d247 MC |
2292 | } |
2293 | ||
38b051a1 | 2294 | switch (sc->early_data_state) { |
d781d247 MC |
2295 | case SSL_EARLY_DATA_NONE: |
2296 | if (!SSL_in_before(s)) { | |
6849b73c | 2297 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
f533fbd4 | 2298 | return SSL_READ_EARLY_DATA_ERROR; |
d781d247 MC |
2299 | } |
2300 | /* fall through */ | |
2301 | ||
2302 | case SSL_EARLY_DATA_ACCEPT_RETRY: | |
38b051a1 | 2303 | sc->early_data_state = SSL_EARLY_DATA_ACCEPTING; |
d781d247 MC |
2304 | ret = SSL_accept(s); |
2305 | if (ret <= 0) { | |
2306 | /* NBIO or error */ | |
38b051a1 | 2307 | sc->early_data_state = SSL_EARLY_DATA_ACCEPT_RETRY; |
f533fbd4 | 2308 | return SSL_READ_EARLY_DATA_ERROR; |
d781d247 MC |
2309 | } |
2310 | /* fall through */ | |
2311 | ||
2312 | case SSL_EARLY_DATA_READ_RETRY: | |
38b051a1 TM |
2313 | if (sc->ext.early_data == SSL_EARLY_DATA_ACCEPTED) { |
2314 | sc->early_data_state = SSL_EARLY_DATA_READING; | |
d781d247 MC |
2315 | ret = SSL_read_ex(s, buf, num, readbytes); |
2316 | /* | |
ef6c191b MC |
2317 | * State machine will update early_data_state to |
2318 | * SSL_EARLY_DATA_FINISHED_READING if we get an EndOfEarlyData | |
2319 | * message | |
d781d247 | 2320 | */ |
38b051a1 | 2321 | if (ret > 0 || (ret <= 0 && sc->early_data_state |
d781d247 | 2322 | != SSL_EARLY_DATA_FINISHED_READING)) { |
38b051a1 | 2323 | sc->early_data_state = SSL_EARLY_DATA_READ_RETRY; |
f533fbd4 MC |
2324 | return ret > 0 ? SSL_READ_EARLY_DATA_SUCCESS |
2325 | : SSL_READ_EARLY_DATA_ERROR; | |
d781d247 MC |
2326 | } |
2327 | } else { | |
38b051a1 | 2328 | sc->early_data_state = SSL_EARLY_DATA_FINISHED_READING; |
d781d247 MC |
2329 | } |
2330 | *readbytes = 0; | |
f533fbd4 | 2331 | return SSL_READ_EARLY_DATA_FINISH; |
d781d247 MC |
2332 | |
2333 | default: | |
6849b73c | 2334 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
f533fbd4 | 2335 | return SSL_READ_EARLY_DATA_ERROR; |
d781d247 MC |
2336 | } |
2337 | } | |
2338 | ||
f5b519c4 | 2339 | int SSL_get_early_data_status(const SSL *s) |
1ea4d09a | 2340 | { |
38b051a1 TM |
2341 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(s); |
2342 | ||
2343 | /* TODO(QUIC): This will need special handling for QUIC */ | |
2344 | if (sc == NULL) | |
2345 | return 0; | |
2346 | ||
2347 | return sc->ext.early_data; | |
1ea4d09a MC |
2348 | } |
2349 | ||
4ee7d3f9 | 2350 | static int ssl_peek_internal(SSL *s, void *buf, size_t num, size_t *readbytes) |
0f113f3e | 2351 | { |
38b051a1 | 2352 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6292519c | 2353 | #ifndef OPENSSL_NO_QUIC |
03bacce8 HL |
2354 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); |
2355 | ||
2356 | if (qc != NULL) | |
2357 | return s->method->ssl_peek(s, buf, num, readbytes); | |
6292519c | 2358 | #endif |
38b051a1 TM |
2359 | |
2360 | if (sc == NULL) | |
2361 | return 0; | |
2362 | ||
2363 | if (sc->handshake_func == NULL) { | |
6849b73c | 2364 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
0f113f3e MC |
2365 | return -1; |
2366 | } | |
2367 | ||
38b051a1 | 2368 | if (sc->shutdown & SSL_RECEIVED_SHUTDOWN) { |
4ee7d3f9 | 2369 | return 0; |
0f113f3e | 2370 | } |
38b051a1 | 2371 | if ((sc->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
add2f5ca | 2372 | struct ssl_async_args args; |
eda75751 | 2373 | int ret; |
0f113f3e | 2374 | |
add2f5ca MC |
2375 | args.s = s; |
2376 | args.buf = buf; | |
2377 | args.num = num; | |
ec447924 MC |
2378 | args.type = READFUNC; |
2379 | args.f.func_read = s->method->ssl_peek; | |
07bbc92c | 2380 | |
eda75751 | 2381 | ret = ssl_start_async_job(s, &args, ssl_io_intern); |
38b051a1 | 2382 | *readbytes = sc->asyncrw; |
eda75751 | 2383 | return ret; |
add2f5ca | 2384 | } else { |
54105ddd | 2385 | return s->method->ssl_peek(s, buf, num, readbytes); |
add2f5ca | 2386 | } |
07bbc92c MC |
2387 | } |
2388 | ||
4ee7d3f9 | 2389 | int SSL_peek(SSL *s, void *buf, int num) |
7ee8627f MC |
2390 | { |
2391 | int ret; | |
4ee7d3f9 | 2392 | size_t readbytes; |
7ee8627f MC |
2393 | |
2394 | if (num < 0) { | |
6849b73c | 2395 | ERR_raise(ERR_LIB_SSL, SSL_R_BAD_LENGTH); |
7ee8627f MC |
2396 | return -1; |
2397 | } | |
2398 | ||
4ee7d3f9 | 2399 | ret = ssl_peek_internal(s, buf, (size_t)num, &readbytes); |
7ee8627f MC |
2400 | |
2401 | /* | |
2402 | * The cast is safe here because ret should be <= INT_MAX because num is | |
2403 | * <= INT_MAX | |
2404 | */ | |
2405 | if (ret > 0) | |
4ee7d3f9 | 2406 | ret = (int)readbytes; |
7ee8627f MC |
2407 | |
2408 | return ret; | |
2409 | } | |
2410 | ||
4ee7d3f9 KR |
2411 | |
2412 | int SSL_peek_ex(SSL *s, void *buf, size_t num, size_t *readbytes) | |
2413 | { | |
2414 | int ret = ssl_peek_internal(s, buf, num, readbytes); | |
2415 | ||
2416 | if (ret < 0) | |
2417 | ret = 0; | |
2418 | return ret; | |
2419 | } | |
2420 | ||
2421 | int ssl_write_internal(SSL *s, const void *buf, size_t num, size_t *written) | |
0f113f3e | 2422 | { |
38b051a1 | 2423 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6292519c | 2424 | #ifndef OPENSSL_NO_QUIC |
03bacce8 HL |
2425 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); |
2426 | ||
2427 | if (qc != NULL) | |
2428 | return s->method->ssl_write(s, buf, num, written); | |
6292519c | 2429 | #endif |
38b051a1 TM |
2430 | |
2431 | if (sc == NULL) | |
2432 | return 0; | |
2433 | ||
2434 | if (sc->handshake_func == NULL) { | |
6849b73c | 2435 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
0f113f3e MC |
2436 | return -1; |
2437 | } | |
2438 | ||
38b051a1 TM |
2439 | if (sc->shutdown & SSL_SENT_SHUTDOWN) { |
2440 | sc->rwstate = SSL_NOTHING; | |
6849b73c | 2441 | ERR_raise(ERR_LIB_SSL, SSL_R_PROTOCOL_IS_SHUTDOWN); |
4ee7d3f9 | 2442 | return -1; |
0f113f3e | 2443 | } |
07bbc92c | 2444 | |
38b051a1 TM |
2445 | if (sc->early_data_state == SSL_EARLY_DATA_CONNECT_RETRY |
2446 | || sc->early_data_state == SSL_EARLY_DATA_ACCEPT_RETRY | |
2447 | || sc->early_data_state == SSL_EARLY_DATA_READ_RETRY) { | |
6849b73c | 2448 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
49e7fe12 | 2449 | return 0; |
0a5ece5b | 2450 | } |
564547e4 | 2451 | /* If we are a client and haven't sent the Finished we better do that */ |
38b051a1 | 2452 | ossl_statem_check_finish_init(sc, 1); |
49e7fe12 | 2453 | |
38b051a1 | 2454 | if ((sc->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
7ee8627f | 2455 | int ret; |
add2f5ca MC |
2456 | struct ssl_async_args args; |
2457 | ||
2458 | args.s = s; | |
2459 | args.buf = (void *)buf; | |
2460 | args.num = num; | |
ec447924 MC |
2461 | args.type = WRITEFUNC; |
2462 | args.f.func_write = s->method->ssl_write; | |
add2f5ca | 2463 | |
7ee8627f | 2464 | ret = ssl_start_async_job(s, &args, ssl_io_intern); |
38b051a1 | 2465 | *written = sc->asyncrw; |
7ee8627f | 2466 | return ret; |
07bbc92c | 2467 | } else { |
7ee8627f | 2468 | return s->method->ssl_write(s, buf, num, written); |
07bbc92c | 2469 | } |
0f113f3e | 2470 | } |
d02b48c6 | 2471 | |
7c3a7561 BP |
2472 | ossl_ssize_t SSL_sendfile(SSL *s, int fd, off_t offset, size_t size, int flags) |
2473 | { | |
2474 | ossl_ssize_t ret; | |
38b051a1 | 2475 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
7c3a7561 | 2476 | |
38b051a1 TM |
2477 | if (sc == NULL) |
2478 | return 0; | |
2479 | ||
2480 | if (sc->handshake_func == NULL) { | |
6849b73c | 2481 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
7c3a7561 BP |
2482 | return -1; |
2483 | } | |
2484 | ||
38b051a1 TM |
2485 | if (sc->shutdown & SSL_SENT_SHUTDOWN) { |
2486 | sc->rwstate = SSL_NOTHING; | |
6849b73c | 2487 | ERR_raise(ERR_LIB_SSL, SSL_R_PROTOCOL_IS_SHUTDOWN); |
7c3a7561 BP |
2488 | return -1; |
2489 | } | |
2490 | ||
38b051a1 | 2491 | if (!BIO_get_ktls_send(sc->wbio)) { |
6849b73c | 2492 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
7c3a7561 BP |
2493 | return -1; |
2494 | } | |
2495 | ||
2496 | /* If we have an alert to send, lets send it */ | |
73243502 | 2497 | if (sc->s3.alert_dispatch > 0) { |
7c3a7561 BP |
2498 | ret = (ossl_ssize_t)s->method->ssl_dispatch_alert(s); |
2499 | if (ret <= 0) { | |
2500 | /* SSLfatal() already called if appropriate */ | |
2501 | return ret; | |
2502 | } | |
2503 | /* if it went, fall through and send more stuff */ | |
2504 | } | |
2505 | ||
38b051a1 TM |
2506 | sc->rwstate = SSL_WRITING; |
2507 | if (BIO_flush(sc->wbio) <= 0) { | |
2508 | if (!BIO_should_retry(sc->wbio)) { | |
2509 | sc->rwstate = SSL_NOTHING; | |
7c3a7561 BP |
2510 | } else { |
2511 | #ifdef EAGAIN | |
2512 | set_sys_error(EAGAIN); | |
2513 | #endif | |
2514 | } | |
2515 | return -1; | |
2516 | } | |
2517 | ||
712c0942 | 2518 | #ifdef OPENSSL_NO_KTLS |
fa7a8074 RL |
2519 | ERR_raise_data(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR, |
2520 | "can't call ktls_sendfile(), ktls disabled"); | |
712c0942 | 2521 | return -1; |
7c3a7561 | 2522 | #else |
712c0942 | 2523 | ret = ktls_sendfile(SSL_get_wfd(s), fd, offset, size, flags); |
7c3a7561 BP |
2524 | if (ret < 0) { |
2525 | #if defined(EAGAIN) && defined(EINTR) && defined(EBUSY) | |
2526 | if ((get_last_sys_error() == EAGAIN) || | |
2527 | (get_last_sys_error() == EINTR) || | |
2528 | (get_last_sys_error() == EBUSY)) | |
38b051a1 | 2529 | BIO_set_retry_write(sc->wbio); |
7c3a7561 BP |
2530 | else |
2531 | #endif | |
6849b73c | 2532 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
7c3a7561 BP |
2533 | return ret; |
2534 | } | |
38b051a1 | 2535 | sc->rwstate = SSL_NOTHING; |
7c3a7561 | 2536 | return ret; |
712c0942 | 2537 | #endif |
7c3a7561 BP |
2538 | } |
2539 | ||
4ee7d3f9 KR |
2540 | int SSL_write(SSL *s, const void *buf, int num) |
2541 | { | |
2542 | int ret; | |
2543 | size_t written; | |
2544 | ||
2545 | if (num < 0) { | |
6849b73c | 2546 | ERR_raise(ERR_LIB_SSL, SSL_R_BAD_LENGTH); |
4ee7d3f9 KR |
2547 | return -1; |
2548 | } | |
2549 | ||
2550 | ret = ssl_write_internal(s, buf, (size_t)num, &written); | |
2551 | ||
2552 | /* | |
2553 | * The cast is safe here because ret should be <= INT_MAX because num is | |
2554 | * <= INT_MAX | |
2555 | */ | |
2556 | if (ret > 0) | |
2557 | ret = (int)written; | |
2558 | ||
2559 | return ret; | |
2560 | } | |
2561 | ||
2562 | int SSL_write_ex(SSL *s, const void *buf, size_t num, size_t *written) | |
2563 | { | |
2564 | int ret = ssl_write_internal(s, buf, num, written); | |
2565 | ||
2566 | if (ret < 0) | |
2567 | ret = 0; | |
2568 | return ret; | |
2569 | } | |
2570 | ||
0665b4ed | 2571 | int SSL_write_early_data(SSL *s, const void *buf, size_t num, size_t *written) |
49e7fe12 | 2572 | { |
a0cb628b | 2573 | int ret, early_data_state; |
2a8db717 | 2574 | size_t writtmp; |
f7414b08 | 2575 | uint32_t partialwrite; |
38b051a1 TM |
2576 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
2577 | ||
2578 | /* TODO(QUIC): This will need special handling for QUIC */ | |
2579 | if (sc == NULL) | |
2580 | return 0; | |
49e7fe12 | 2581 | |
38b051a1 | 2582 | switch (sc->early_data_state) { |
49e7fe12 | 2583 | case SSL_EARLY_DATA_NONE: |
38b051a1 | 2584 | if (sc->server |
09f28874 | 2585 | || !SSL_in_before(s) |
38b051a1 TM |
2586 | || ((sc->session == NULL || sc->session->ext.max_early_data == 0) |
2587 | && (sc->psk_use_session_cb == NULL))) { | |
6849b73c | 2588 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
49e7fe12 MC |
2589 | return 0; |
2590 | } | |
2591 | /* fall through */ | |
2592 | ||
2593 | case SSL_EARLY_DATA_CONNECT_RETRY: | |
38b051a1 | 2594 | sc->early_data_state = SSL_EARLY_DATA_CONNECTING; |
49e7fe12 MC |
2595 | ret = SSL_connect(s); |
2596 | if (ret <= 0) { | |
2597 | /* NBIO or error */ | |
38b051a1 | 2598 | sc->early_data_state = SSL_EARLY_DATA_CONNECT_RETRY; |
49e7fe12 MC |
2599 | return 0; |
2600 | } | |
2601 | /* fall through */ | |
2602 | ||
2603 | case SSL_EARLY_DATA_WRITE_RETRY: | |
38b051a1 | 2604 | sc->early_data_state = SSL_EARLY_DATA_WRITING; |
f7414b08 MC |
2605 | /* |
2606 | * We disable partial write for early data because we don't keep track | |
2607 | * of how many bytes we've written between the SSL_write_ex() call and | |
2608 | * the flush if the flush needs to be retried) | |
2609 | */ | |
38b051a1 TM |
2610 | partialwrite = sc->mode & SSL_MODE_ENABLE_PARTIAL_WRITE; |
2611 | sc->mode &= ~SSL_MODE_ENABLE_PARTIAL_WRITE; | |
2a8db717 | 2612 | ret = SSL_write_ex(s, buf, num, &writtmp); |
38b051a1 | 2613 | sc->mode |= partialwrite; |
2a8db717 | 2614 | if (!ret) { |
38b051a1 | 2615 | sc->early_data_state = SSL_EARLY_DATA_WRITE_RETRY; |
2a8db717 MC |
2616 | return ret; |
2617 | } | |
38b051a1 | 2618 | sc->early_data_state = SSL_EARLY_DATA_WRITE_FLUSH; |
2a8db717 MC |
2619 | /* fall through */ |
2620 | ||
2621 | case SSL_EARLY_DATA_WRITE_FLUSH: | |
2622 | /* The buffering BIO is still in place so we need to flush it */ | |
38b051a1 | 2623 | if (statem_flush(sc) != 1) |
2a8db717 | 2624 | return 0; |
2a8db717 | 2625 | *written = num; |
38b051a1 | 2626 | sc->early_data_state = SSL_EARLY_DATA_WRITE_RETRY; |
2a8db717 | 2627 | return 1; |
49e7fe12 | 2628 | |
116d0da5 | 2629 | case SSL_EARLY_DATA_FINISHED_READING: |
a0cb628b | 2630 | case SSL_EARLY_DATA_READ_RETRY: |
38b051a1 | 2631 | early_data_state = sc->early_data_state; |
09f28874 | 2632 | /* We are a server writing to an unauthenticated client */ |
38b051a1 | 2633 | sc->early_data_state = SSL_EARLY_DATA_UNAUTH_WRITING; |
09f28874 | 2634 | ret = SSL_write_ex(s, buf, num, written); |
5fe37157 MC |
2635 | /* The buffering BIO is still in place */ |
2636 | if (ret) | |
38b051a1 TM |
2637 | (void)BIO_flush(sc->wbio); |
2638 | sc->early_data_state = early_data_state; | |
09f28874 MC |
2639 | return ret; |
2640 | ||
49e7fe12 | 2641 | default: |
6849b73c | 2642 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
49e7fe12 MC |
2643 | return 0; |
2644 | } | |
2645 | } | |
2646 | ||
4f43d0e7 | 2647 | int SSL_shutdown(SSL *s) |
0f113f3e MC |
2648 | { |
2649 | /* | |
2650 | * Note that this function behaves differently from what one might | |
2651 | * expect. Return values are 0 for no success (yet), 1 for success; but | |
2652 | * calling it once is usually not enough, even if blocking I/O is used | |
2653 | * (see ssl3_shutdown). | |
2654 | */ | |
38b051a1 | 2655 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
e8043229 HL |
2656 | #ifndef OPENSSL_NO_QUIC |
2657 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); | |
2658 | ||
2659 | if (qc != NULL) | |
2660 | return ossl_quic_conn_shutdown(qc, 0, NULL, 0); | |
2661 | #endif | |
0f113f3e | 2662 | |
38b051a1 TM |
2663 | if (sc == NULL) |
2664 | return -1; | |
2665 | ||
2666 | if (sc->handshake_func == NULL) { | |
6849b73c | 2667 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
0f113f3e MC |
2668 | return -1; |
2669 | } | |
2670 | ||
64f9f406 | 2671 | if (!SSL_in_init(s)) { |
38b051a1 | 2672 | if ((sc->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
64f9f406 | 2673 | struct ssl_async_args args; |
ec447924 | 2674 | |
09134f18 | 2675 | memset(&args, 0, sizeof(args)); |
64f9f406 MC |
2676 | args.s = s; |
2677 | args.type = OTHERFUNC; | |
2678 | args.f.func_other = s->method->ssl_shutdown; | |
ec447924 | 2679 | |
64f9f406 MC |
2680 | return ssl_start_async_job(s, &args, ssl_io_intern); |
2681 | } else { | |
2682 | return s->method->ssl_shutdown(s); | |
2683 | } | |
ec447924 | 2684 | } else { |
6849b73c | 2685 | ERR_raise(ERR_LIB_SSL, SSL_R_SHUTDOWN_WHILE_IN_INIT); |
64f9f406 | 2686 | return -1; |
ec447924 | 2687 | } |
0f113f3e | 2688 | } |
d02b48c6 | 2689 | |
4fbfe86a | 2690 | int SSL_key_update(SSL *s, int updatetype) |
44c04a2e | 2691 | { |
38b051a1 TM |
2692 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
2693 | ||
2694 | if (sc == NULL) | |
2695 | return 0; | |
2696 | ||
2697 | if (!SSL_CONNECTION_IS_TLS13(sc)) { | |
6849b73c | 2698 | ERR_raise(ERR_LIB_SSL, SSL_R_WRONG_SSL_VERSION); |
44c04a2e MC |
2699 | return 0; |
2700 | } | |
2701 | ||
2702 | if (updatetype != SSL_KEY_UPDATE_NOT_REQUESTED | |
2703 | && updatetype != SSL_KEY_UPDATE_REQUESTED) { | |
6849b73c | 2704 | ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_KEY_UPDATE_TYPE); |
44c04a2e MC |
2705 | return 0; |
2706 | } | |
2707 | ||
2708 | if (!SSL_is_init_finished(s)) { | |
6849b73c | 2709 | ERR_raise(ERR_LIB_SSL, SSL_R_STILL_IN_INIT); |
44c04a2e MC |
2710 | return 0; |
2711 | } | |
2712 | ||
38b051a1 | 2713 | if (RECORD_LAYER_write_pending(&sc->rlayer)) { |
3bec4851 MC |
2714 | ERR_raise(ERR_LIB_SSL, SSL_R_BAD_WRITE_RETRY); |
2715 | return 0; | |
2716 | } | |
2717 | ||
38b051a1 TM |
2718 | ossl_statem_set_in_init(sc, 1); |
2719 | sc->key_update = updatetype; | |
44c04a2e MC |
2720 | return 1; |
2721 | } | |
2722 | ||
3499327b | 2723 | int SSL_get_key_update_type(const SSL *s) |
53d1d07d | 2724 | { |
38b051a1 TM |
2725 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
2726 | ||
2727 | if (sc == NULL) | |
2728 | return 0; | |
2729 | ||
2730 | return sc->key_update; | |
53d1d07d MC |
2731 | } |
2732 | ||
55373bfd RS |
2733 | /* |
2734 | * Can we accept a renegotiation request? If yes, set the flag and | |
2735 | * return 1 if yes. If not, raise error and return 0. | |
2736 | */ | |
38b051a1 | 2737 | static int can_renegotiate(const SSL_CONNECTION *sc) |
0f113f3e | 2738 | { |
38b051a1 | 2739 | if (SSL_CONNECTION_IS_TLS13(sc)) { |
6849b73c | 2740 | ERR_raise(ERR_LIB_SSL, SSL_R_WRONG_SSL_VERSION); |
2c0980d2 | 2741 | return 0; |
44c04a2e | 2742 | } |
cda6b998 | 2743 | |
38b051a1 | 2744 | if ((sc->options & SSL_OP_NO_RENEGOTIATION) != 0) { |
6849b73c | 2745 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_RENEGOTIATION); |
db0f35dd TS |
2746 | return 0; |
2747 | } | |
44959ee4 | 2748 | |
55373bfd RS |
2749 | return 1; |
2750 | } | |
2751 | ||
2752 | int SSL_renegotiate(SSL *s) | |
2753 | { | |
38b051a1 TM |
2754 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
2755 | ||
2756 | if (sc == NULL) | |
55373bfd RS |
2757 | return 0; |
2758 | ||
38b051a1 TM |
2759 | if (!can_renegotiate(sc)) |
2760 | return 0; | |
2761 | ||
2762 | sc->renegotiate = 1; | |
2763 | sc->new_session = 1; | |
26a7d938 | 2764 | return s->method->ssl_renegotiate(s); |
0f113f3e | 2765 | } |
d02b48c6 | 2766 | |
44959ee4 | 2767 | int SSL_renegotiate_abbreviated(SSL *s) |
0f113f3e | 2768 | { |
38b051a1 TM |
2769 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
2770 | ||
2771 | if (sc == NULL) | |
2772 | return 0; | |
2773 | ||
2774 | if (!can_renegotiate(sc)) | |
2c0980d2 | 2775 | return 0; |
c519e89f | 2776 | |
38b051a1 TM |
2777 | sc->renegotiate = 1; |
2778 | sc->new_session = 0; | |
26a7d938 | 2779 | return s->method->ssl_renegotiate(s); |
0f113f3e | 2780 | } |
44959ee4 | 2781 | |
3499327b | 2782 | int SSL_renegotiate_pending(const SSL *s) |
0f113f3e | 2783 | { |
38b051a1 TM |
2784 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
2785 | ||
2786 | if (sc == NULL) | |
2787 | return 0; | |
2788 | ||
0f113f3e MC |
2789 | /* |
2790 | * becomes true when negotiation is requested; false again once a | |
2791 | * handshake has finished | |
2792 | */ | |
38b051a1 | 2793 | return (sc->renegotiate != 0); |
0f113f3e MC |
2794 | } |
2795 | ||
3bfacb5f BK |
2796 | int SSL_new_session_ticket(SSL *s) |
2797 | { | |
38b051a1 TM |
2798 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
2799 | ||
2800 | if (sc == NULL) | |
2801 | return 0; | |
2802 | ||
7c73fefe | 2803 | /* If we are in init because we're sending tickets, okay to send more. */ |
38b051a1 TM |
2804 | if ((SSL_in_init(s) && sc->ext.extra_tickets_expected == 0) |
2805 | || SSL_IS_FIRST_HANDSHAKE(sc) || !sc->server | |
2806 | || !SSL_CONNECTION_IS_TLS13(sc)) | |
35774d55 | 2807 | return 0; |
38b051a1 TM |
2808 | sc->ext.extra_tickets_expected++; |
2809 | if (!RECORD_LAYER_write_pending(&sc->rlayer) && !SSL_in_init(s)) | |
2810 | ossl_statem_set_in_init(sc, 1); | |
35774d55 | 2811 | return 1; |
3bfacb5f BK |
2812 | } |
2813 | ||
0f113f3e MC |
2814 | long SSL_ctrl(SSL *s, int cmd, long larg, void *parg) |
2815 | { | |
2816 | long l; | |
38b051a1 TM |
2817 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
2818 | ||
2819 | /* TODO(QUIC): Special handling for some ctrls will be needed */ | |
2820 | if (sc == NULL) | |
2821 | return 0; | |
0f113f3e MC |
2822 | |
2823 | switch (cmd) { | |
2824 | case SSL_CTRL_GET_READ_AHEAD: | |
38b051a1 | 2825 | return RECORD_LAYER_get_read_ahead(&sc->rlayer); |
0f113f3e | 2826 | case SSL_CTRL_SET_READ_AHEAD: |
38b051a1 TM |
2827 | l = RECORD_LAYER_get_read_ahead(&sc->rlayer); |
2828 | RECORD_LAYER_set_read_ahead(&sc->rlayer, larg); | |
26a7d938 | 2829 | return l; |
0f113f3e MC |
2830 | |
2831 | case SSL_CTRL_SET_MSG_CALLBACK_ARG: | |
38b051a1 | 2832 | sc->msg_callback_arg = parg; |
0f113f3e MC |
2833 | return 1; |
2834 | ||
0f113f3e | 2835 | case SSL_CTRL_MODE: |
4566dae7 MC |
2836 | { |
2837 | OSSL_PARAM options[2], *opts = options; | |
2838 | ||
2839 | sc->mode |= larg; | |
2840 | ||
2841 | *opts++ = OSSL_PARAM_construct_uint32(OSSL_LIBSSL_RECORD_LAYER_PARAM_MODE, | |
2842 | &sc->mode); | |
2843 | *opts = OSSL_PARAM_construct_end(); | |
2844 | ||
2845 | /* Ignore return value */ | |
2846 | sc->rlayer.rrlmethod->set_options(sc->rlayer.rrl, options); | |
2847 | ||
2848 | return sc->mode; | |
2849 | } | |
0f113f3e | 2850 | case SSL_CTRL_CLEAR_MODE: |
38b051a1 | 2851 | return (sc->mode &= ~larg); |
0f113f3e | 2852 | case SSL_CTRL_GET_MAX_CERT_LIST: |
38b051a1 | 2853 | return (long)sc->max_cert_list; |
0f113f3e | 2854 | case SSL_CTRL_SET_MAX_CERT_LIST: |
348240c6 MC |
2855 | if (larg < 0) |
2856 | return 0; | |
38b051a1 TM |
2857 | l = (long)sc->max_cert_list; |
2858 | sc->max_cert_list = (size_t)larg; | |
348240c6 | 2859 | return l; |
0f113f3e MC |
2860 | case SSL_CTRL_SET_MAX_SEND_FRAGMENT: |
2861 | if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH) | |
2862 | return 0; | |
50ec7505 | 2863 | #ifndef OPENSSL_NO_KTLS |
38b051a1 | 2864 | if (sc->wbio != NULL && BIO_get_ktls_send(sc->wbio)) |
50ec7505 BP |
2865 | return 0; |
2866 | #endif /* OPENSSL_NO_KTLS */ | |
38b051a1 TM |
2867 | sc->max_send_fragment = larg; |
2868 | if (sc->max_send_fragment < sc->split_send_fragment) | |
2869 | sc->split_send_fragment = sc->max_send_fragment; | |
435d88d7 | 2870 | sc->rlayer.wrlmethod->set_max_frag_len(sc->rlayer.wrl, larg); |
d102d9df MC |
2871 | return 1; |
2872 | case SSL_CTRL_SET_SPLIT_SEND_FRAGMENT: | |
38b051a1 | 2873 | if ((size_t)larg > sc->max_send_fragment || larg == 0) |
d102d9df | 2874 | return 0; |
38b051a1 | 2875 | sc->split_send_fragment = larg; |
0f113f3e | 2876 | return 1; |
d102d9df MC |
2877 | case SSL_CTRL_SET_MAX_PIPELINES: |
2878 | if (larg < 1 || larg > SSL_MAX_PIPELINES) | |
2879 | return 0; | |
38b051a1 | 2880 | sc->max_pipelines = larg; |
cffafb5f MC |
2881 | if (sc->rlayer.rrlmethod->set_max_pipelines != NULL) |
2882 | sc->rlayer.rrlmethod->set_max_pipelines(sc->rlayer.rrl, (size_t)larg); | |
07077415 | 2883 | return 1; |
0f113f3e | 2884 | case SSL_CTRL_GET_RI_SUPPORT: |
38b051a1 | 2885 | return sc->s3.send_connection_binding; |
dfb39f73 | 2886 | case SSL_CTRL_SET_RETRY_VERIFY: |
38b051a1 | 2887 | sc->rwstate = SSL_RETRY_VERIFY; |
dfb39f73 | 2888 | return 1; |
0f113f3e | 2889 | case SSL_CTRL_CERT_FLAGS: |
38b051a1 | 2890 | return (sc->cert->cert_flags |= larg); |
0f113f3e | 2891 | case SSL_CTRL_CLEAR_CERT_FLAGS: |
38b051a1 | 2892 | return (sc->cert->cert_flags &= ~larg); |
0f113f3e MC |
2893 | |
2894 | case SSL_CTRL_GET_RAW_CIPHERLIST: | |
2895 | if (parg) { | |
38b051a1 | 2896 | if (sc->s3.tmp.ciphers_raw == NULL) |
0f113f3e | 2897 | return 0; |
38b051a1 TM |
2898 | *(unsigned char **)parg = sc->s3.tmp.ciphers_raw; |
2899 | return (int)sc->s3.tmp.ciphers_rawlen; | |
e9fa092e EK |
2900 | } else { |
2901 | return TLS_CIPHER_LEN; | |
2902 | } | |
c5364614 | 2903 | case SSL_CTRL_GET_EXTMS_SUPPORT: |
38b051a1 | 2904 | if (!sc->session || SSL_in_init(s) || ossl_statem_get_in_handshake(sc)) |
a230b26e | 2905 | return -1; |
38b051a1 | 2906 | if (sc->session->flags & SSL_SESS_FLAG_EXTMS) |
c5364614 DSH |
2907 | return 1; |
2908 | else | |
2909 | return 0; | |
7946ab33 | 2910 | case SSL_CTRL_SET_MIN_PROTO_VERSION: |
38b051a1 | 2911 | return ssl_check_allowed_versions(larg, sc->max_proto_version) |
a7f41885 | 2912 | && ssl_set_version_bound(s->defltmeth->version, (int)larg, |
38b051a1 | 2913 | &sc->min_proto_version); |
3edabd3c | 2914 | case SSL_CTRL_GET_MIN_PROTO_VERSION: |
38b051a1 | 2915 | return sc->min_proto_version; |
7946ab33 | 2916 | case SSL_CTRL_SET_MAX_PROTO_VERSION: |
38b051a1 | 2917 | return ssl_check_allowed_versions(sc->min_proto_version, larg) |
a7f41885 | 2918 | && ssl_set_version_bound(s->defltmeth->version, (int)larg, |
38b051a1 | 2919 | &sc->max_proto_version); |
3edabd3c | 2920 | case SSL_CTRL_GET_MAX_PROTO_VERSION: |
38b051a1 | 2921 | return sc->max_proto_version; |
0f113f3e | 2922 | default: |
26a7d938 | 2923 | return s->method->ssl_ctrl(s, cmd, larg, parg); |
0f113f3e MC |
2924 | } |
2925 | } | |
2926 | ||
2927 | long SSL_callback_ctrl(SSL *s, int cmd, void (*fp) (void)) | |
2928 | { | |
38b051a1 TM |
2929 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
2930 | ||
2931 | if (sc == NULL) | |
2932 | return 0; | |
2933 | ||
0f113f3e MC |
2934 | switch (cmd) { |
2935 | case SSL_CTRL_SET_MSG_CALLBACK: | |
38b051a1 TM |
2936 | sc->msg_callback = (void (*) |
2937 | (int write_p, int version, int content_type, | |
2938 | const void *buf, size_t len, SSL *ssl, | |
2939 | void *arg))(fp); | |
0f113f3e MC |
2940 | return 1; |
2941 | ||
2942 | default: | |
26a7d938 | 2943 | return s->method->ssl_callback_ctrl(s, cmd, fp); |
0f113f3e MC |
2944 | } |
2945 | } | |
d3442bc7 | 2946 | |
3c1d6bbc | 2947 | LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx) |
0f113f3e MC |
2948 | { |
2949 | return ctx->sessions; | |
2950 | } | |
2951 | ||
acce0557 P |
2952 | static int ssl_tsan_load(SSL_CTX *ctx, TSAN_QUALIFIER int *stat) |
2953 | { | |
2954 | int res = 0; | |
2955 | ||
2956 | if (ssl_tsan_lock(ctx)) { | |
2957 | res = tsan_load(stat); | |
2958 | ssl_tsan_unlock(ctx); | |
2959 | } | |
2960 | return res; | |
2961 | } | |
2962 | ||
0f113f3e MC |
2963 | long SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg) |
2964 | { | |
2965 | long l; | |
2966 | /* For some cases with ctx == NULL perform syntax checks */ | |
2967 | if (ctx == NULL) { | |
2968 | switch (cmd) { | |
de4d764e | 2969 | case SSL_CTRL_SET_GROUPS_LIST: |
260009d8 | 2970 | return tls1_set_groups_list(ctx, NULL, NULL, parg); |
0f113f3e MC |
2971 | case SSL_CTRL_SET_SIGALGS_LIST: |
2972 | case SSL_CTRL_SET_CLIENT_SIGALGS_LIST: | |
2973 | return tls1_set_sigalgs_list(NULL, parg, 0); | |
2974 | default: | |
2975 | return 0; | |
2976 | } | |
2977 | } | |
2978 | ||
2979 | switch (cmd) { | |
2980 | case SSL_CTRL_GET_READ_AHEAD: | |
26a7d938 | 2981 | return ctx->read_ahead; |
0f113f3e MC |
2982 | case SSL_CTRL_SET_READ_AHEAD: |
2983 | l = ctx->read_ahead; | |
2984 | ctx->read_ahead = larg; | |
26a7d938 | 2985 | return l; |
0f113f3e MC |
2986 | |
2987 | case SSL_CTRL_SET_MSG_CALLBACK_ARG: | |
2988 | ctx->msg_callback_arg = parg; | |
2989 | return 1; | |
2990 | ||
2991 | case SSL_CTRL_GET_MAX_CERT_LIST: | |
26a7d938 | 2992 | return (long)ctx->max_cert_list; |
0f113f3e | 2993 | case SSL_CTRL_SET_MAX_CERT_LIST: |
348240c6 MC |
2994 | if (larg < 0) |
2995 | return 0; | |
2996 | l = (long)ctx->max_cert_list; | |
2997 | ctx->max_cert_list = (size_t)larg; | |
2998 | return l; | |
0f113f3e MC |
2999 | |
3000 | case SSL_CTRL_SET_SESS_CACHE_SIZE: | |
348240c6 MC |
3001 | if (larg < 0) |
3002 | return 0; | |
3003 | l = (long)ctx->session_cache_size; | |
3004 | ctx->session_cache_size = (size_t)larg; | |
3005 | return l; | |
0f113f3e | 3006 | case SSL_CTRL_GET_SESS_CACHE_SIZE: |
26a7d938 | 3007 | return (long)ctx->session_cache_size; |
0f113f3e MC |
3008 | case SSL_CTRL_SET_SESS_CACHE_MODE: |
3009 | l = ctx->session_cache_mode; | |
3010 | ctx->session_cache_mode = larg; | |
26a7d938 | 3011 | return l; |
0f113f3e | 3012 | case SSL_CTRL_GET_SESS_CACHE_MODE: |
26a7d938 | 3013 | return ctx->session_cache_mode; |
0f113f3e MC |
3014 | |
3015 | case SSL_CTRL_SESS_NUMBER: | |
26a7d938 | 3016 | return lh_SSL_SESSION_num_items(ctx->sessions); |
0f113f3e | 3017 | case SSL_CTRL_SESS_CONNECT: |
acce0557 | 3018 | return ssl_tsan_load(ctx, &ctx->stats.sess_connect); |
0f113f3e | 3019 | case SSL_CTRL_SESS_CONNECT_GOOD: |
acce0557 | 3020 | return ssl_tsan_load(ctx, &ctx->stats.sess_connect_good); |
0f113f3e | 3021 | case SSL_CTRL_SESS_CONNECT_RENEGOTIATE: |
acce0557 | 3022 | return ssl_tsan_load(ctx, &ctx->stats.sess_connect_renegotiate); |
0f113f3e | 3023 | case SSL_CTRL_SESS_ACCEPT: |
acce0557 | 3024 | return ssl_tsan_load(ctx, &ctx->stats.sess_accept); |
0f113f3e | 3025 | case SSL_CTRL_SESS_ACCEPT_GOOD: |
acce0557 | 3026 | return ssl_tsan_load(ctx, &ctx->stats.sess_accept_good); |
0f113f3e | 3027 | case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE: |
acce0557 | 3028 | return ssl_tsan_load(ctx, &ctx->stats.sess_accept_renegotiate); |
0f113f3e | 3029 | case SSL_CTRL_SESS_HIT: |
acce0557 | 3030 | return ssl_tsan_load(ctx, &ctx->stats.sess_hit); |
0f113f3e | 3031 | case SSL_CTRL_SESS_CB_HIT: |
acce0557 | 3032 | return ssl_tsan_load(ctx, &ctx->stats.sess_cb_hit); |
0f113f3e | 3033 | case SSL_CTRL_SESS_MISSES: |
acce0557 | 3034 | return ssl_tsan_load(ctx, &ctx->stats.sess_miss); |
0f113f3e | 3035 | case SSL_CTRL_SESS_TIMEOUTS: |
acce0557 | 3036 | return ssl_tsan_load(ctx, &ctx->stats.sess_timeout); |
0f113f3e | 3037 | case SSL_CTRL_SESS_CACHE_FULL: |
acce0557 | 3038 | return ssl_tsan_load(ctx, &ctx->stats.sess_cache_full); |
0f113f3e MC |
3039 | case SSL_CTRL_MODE: |
3040 | return (ctx->mode |= larg); | |
3041 | case SSL_CTRL_CLEAR_MODE: | |
3042 | return (ctx->mode &= ~larg); | |
3043 | case SSL_CTRL_SET_MAX_SEND_FRAGMENT: | |
3044 | if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH) | |
3045 | return 0; | |
3046 | ctx->max_send_fragment = larg; | |
d102d9df | 3047 | if (ctx->max_send_fragment < ctx->split_send_fragment) |
bfb155c1 | 3048 | ctx->split_send_fragment = ctx->max_send_fragment; |
0f113f3e | 3049 | return 1; |
d102d9df | 3050 | case SSL_CTRL_SET_SPLIT_SEND_FRAGMENT: |
7ee8627f | 3051 | if ((size_t)larg > ctx->max_send_fragment || larg == 0) |
d102d9df MC |
3052 | return 0; |
3053 | ctx->split_send_fragment = larg; | |
3054 | return 1; | |
3055 | case SSL_CTRL_SET_MAX_PIPELINES: | |
3056 | if (larg < 1 || larg > SSL_MAX_PIPELINES) | |
3057 | return 0; | |
3058 | ctx->max_pipelines = larg; | |
07077415 | 3059 | return 1; |
0f113f3e MC |
3060 | case SSL_CTRL_CERT_FLAGS: |
3061 | return (ctx->cert->cert_flags |= larg); | |
3062 | case SSL_CTRL_CLEAR_CERT_FLAGS: | |
3063 | return (ctx->cert->cert_flags &= ~larg); | |
7946ab33 | 3064 | case SSL_CTRL_SET_MIN_PROTO_VERSION: |
c8feba72 BK |
3065 | return ssl_check_allowed_versions(larg, ctx->max_proto_version) |
3066 | && ssl_set_version_bound(ctx->method->version, (int)larg, | |
3067 | &ctx->min_proto_version); | |
3edabd3c CH |
3068 | case SSL_CTRL_GET_MIN_PROTO_VERSION: |
3069 | return ctx->min_proto_version; | |
7946ab33 | 3070 | case SSL_CTRL_SET_MAX_PROTO_VERSION: |
c8feba72 BK |
3071 | return ssl_check_allowed_versions(ctx->min_proto_version, larg) |
3072 | && ssl_set_version_bound(ctx->method->version, (int)larg, | |
3073 | &ctx->max_proto_version); | |
3edabd3c CH |
3074 | case SSL_CTRL_GET_MAX_PROTO_VERSION: |
3075 | return ctx->max_proto_version; | |
0f113f3e | 3076 | default: |
26a7d938 | 3077 | return ctx->method->ssl_ctx_ctrl(ctx, cmd, larg, parg); |
0f113f3e MC |
3078 | } |
3079 | } | |
3080 | ||
3081 | long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp) (void)) | |
3082 | { | |
3083 | switch (cmd) { | |
3084 | case SSL_CTRL_SET_MSG_CALLBACK: | |
3085 | ctx->msg_callback = (void (*) | |
3086 | (int write_p, int version, int content_type, | |
3087 | const void *buf, size_t len, SSL *ssl, | |
3088 | void *arg))(fp); | |
3089 | return 1; | |
3090 | ||
3091 | default: | |
26a7d938 | 3092 | return ctx->method->ssl_ctx_callback_ctrl(ctx, cmd, fp); |
0f113f3e MC |
3093 | } |
3094 | } | |
d3442bc7 | 3095 | |
ccd86b68 | 3096 | int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b) |
0f113f3e | 3097 | { |
90d9e49a DSH |
3098 | if (a->id > b->id) |
3099 | return 1; | |
3100 | if (a->id < b->id) | |
3101 | return -1; | |
3102 | return 0; | |
0f113f3e MC |
3103 | } |
3104 | ||
3105 | int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, | |
3106 | const SSL_CIPHER *const *bp) | |
3107 | { | |
90d9e49a DSH |
3108 | if ((*ap)->id > (*bp)->id) |
3109 | return 1; | |
3110 | if ((*ap)->id < (*bp)->id) | |
3111 | return -1; | |
3112 | return 0; | |
0f113f3e | 3113 | } |
d02b48c6 | 3114 | |
38b051a1 TM |
3115 | /* |
3116 | * return a STACK of the ciphers available for the SSL and in order of | |
3117 | * preference | |
3118 | */ | |
0821bcd4 | 3119 | STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s) |
0f113f3e | 3120 | { |
38b051a1 TM |
3121 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
3122 | ||
3123 | if (sc != NULL) { | |
3124 | if (sc->cipher_list != NULL) { | |
3125 | return sc->cipher_list; | |
0f113f3e | 3126 | } else if ((s->ctx != NULL) && (s->ctx->cipher_list != NULL)) { |
26a7d938 | 3127 | return s->ctx->cipher_list; |
0f113f3e MC |
3128 | } |
3129 | } | |
26a7d938 | 3130 | return NULL; |
0f113f3e MC |
3131 | } |
3132 | ||
831eef2c NM |
3133 | STACK_OF(SSL_CIPHER) *SSL_get_client_ciphers(const SSL *s) |
3134 | { | |
38b051a1 TM |
3135 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
3136 | ||
3137 | if (sc == NULL || !sc->server) | |
831eef2c | 3138 | return NULL; |
38b051a1 | 3139 | return sc->peer_ciphers; |
831eef2c NM |
3140 | } |
3141 | ||
8b8e5bed | 3142 | STACK_OF(SSL_CIPHER) *SSL_get1_supported_ciphers(SSL *s) |
0f113f3e MC |
3143 | { |
3144 | STACK_OF(SSL_CIPHER) *sk = NULL, *ciphers; | |
3145 | int i; | |
38b051a1 TM |
3146 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
3147 | ||
3148 | if (sc == NULL) | |
3149 | return NULL; | |
1d0c08b4 | 3150 | |
0f113f3e MC |
3151 | ciphers = SSL_get_ciphers(s); |
3152 | if (!ciphers) | |
3153 | return NULL; | |
38b051a1 | 3154 | if (!ssl_set_client_disabled(sc)) |
1d0c08b4 | 3155 | return NULL; |
0f113f3e MC |
3156 | for (i = 0; i < sk_SSL_CIPHER_num(ciphers); i++) { |
3157 | const SSL_CIPHER *c = sk_SSL_CIPHER_value(ciphers, i); | |
38b051a1 | 3158 | if (!ssl_cipher_disabled(sc, c, SSL_SECOP_CIPHER_SUPPORTED, 0)) { |
0f113f3e MC |
3159 | if (!sk) |
3160 | sk = sk_SSL_CIPHER_new_null(); | |
3161 | if (!sk) | |
3162 | return NULL; | |
3163 | if (!sk_SSL_CIPHER_push(sk, c)) { | |
3164 | sk_SSL_CIPHER_free(sk); | |
3165 | return NULL; | |
3166 | } | |
3167 | } | |
3168 | } | |
3169 | return sk; | |
3170 | } | |
8b8e5bed | 3171 | |
4f43d0e7 | 3172 | /** return a STACK of the ciphers available for the SSL and in order of |
d02b48c6 | 3173 | * algorithm id */ |
38b051a1 | 3174 | STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL_CONNECTION *s) |
0f113f3e MC |
3175 | { |
3176 | if (s != NULL) { | |
38b051a1 | 3177 | if (s->cipher_list_by_id != NULL) |
26a7d938 | 3178 | return s->cipher_list_by_id; |
38b051a1 TM |
3179 | else if (s->ssl.ctx != NULL |
3180 | && s->ssl.ctx->cipher_list_by_id != NULL) | |
3181 | return s->ssl.ctx->cipher_list_by_id; | |
0f113f3e | 3182 | } |
26a7d938 | 3183 | return NULL; |
0f113f3e | 3184 | } |
d02b48c6 | 3185 | |
4f43d0e7 | 3186 | /** The old interface to get the same thing as SSL_get_ciphers() */ |
0f113f3e MC |
3187 | const char *SSL_get_cipher_list(const SSL *s, int n) |
3188 | { | |
4a640fb6 | 3189 | const SSL_CIPHER *c; |
0f113f3e MC |
3190 | STACK_OF(SSL_CIPHER) *sk; |
3191 | ||
3192 | if (s == NULL) | |
26a7d938 | 3193 | return NULL; |
0f113f3e MC |
3194 | sk = SSL_get_ciphers(s); |
3195 | if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n)) | |
26a7d938 | 3196 | return NULL; |
0f113f3e MC |
3197 | c = sk_SSL_CIPHER_value(sk, n); |
3198 | if (c == NULL) | |
26a7d938 K |
3199 | return NULL; |
3200 | return c->name; | |
0f113f3e | 3201 | } |
d02b48c6 | 3202 | |
9d5ac953 KY |
3203 | /** return a STACK of the ciphers available for the SSL_CTX and in order of |
3204 | * preference */ | |
3205 | STACK_OF(SSL_CIPHER) *SSL_CTX_get_ciphers(const SSL_CTX *ctx) | |
3206 | { | |
3207 | if (ctx != NULL) | |
3208 | return ctx->cipher_list; | |
3209 | return NULL; | |
3210 | } | |
3211 | ||
3c83c5ba SR |
3212 | /* |
3213 | * Distinguish between ciphers controlled by set_ciphersuite() and | |
3214 | * set_cipher_list() when counting. | |
3215 | */ | |
3216 | static int cipher_list_tls12_num(STACK_OF(SSL_CIPHER) *sk) | |
3217 | { | |
3218 | int i, num = 0; | |
3219 | const SSL_CIPHER *c; | |
3220 | ||
3221 | if (sk == NULL) | |
3222 | return 0; | |
3223 | for (i = 0; i < sk_SSL_CIPHER_num(sk); ++i) { | |
3224 | c = sk_SSL_CIPHER_value(sk, i); | |
3225 | if (c->min_tls >= TLS1_3_VERSION) | |
3226 | continue; | |
3227 | num++; | |
3228 | } | |
3229 | return num; | |
3230 | } | |
3231 | ||
25f923dd | 3232 | /** specify the ciphers to be used by default by the SSL_CTX */ |
018e57c7 | 3233 | int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str) |
0f113f3e MC |
3234 | { |
3235 | STACK_OF(SSL_CIPHER) *sk; | |
3236 | ||
a68eee67 | 3237 | sk = ssl_create_cipher_list(ctx, ctx->tls13_ciphersuites, |
f865b081 MC |
3238 | &ctx->cipher_list, &ctx->cipher_list_by_id, str, |
3239 | ctx->cert); | |
0f113f3e MC |
3240 | /* |
3241 | * ssl_create_cipher_list may return an empty stack if it was unable to | |
3242 | * find a cipher matching the given rule string (for example if the rule | |
3243 | * string specifies a cipher which has been disabled). This is not an | |
3244 | * error as far as ssl_create_cipher_list is concerned, and hence | |
3245 | * ctx->cipher_list and ctx->cipher_list_by_id has been updated. | |
3246 | */ | |
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 | |
4f43d0e7 | 3256 | /** specify the ciphers to be used by the SSL */ |
0f113f3e MC |
3257 | int SSL_set_cipher_list(SSL *s, const char *str) |
3258 | { | |
3259 | STACK_OF(SSL_CIPHER) *sk; | |
38b051a1 | 3260 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
0f113f3e | 3261 | |
38b051a1 TM |
3262 | if (sc == NULL) |
3263 | return 0; | |
3264 | ||
3265 | sk = ssl_create_cipher_list(s->ctx, sc->tls13_ciphersuites, | |
3266 | &sc->cipher_list, &sc->cipher_list_by_id, str, | |
3267 | sc->cert); | |
0f113f3e MC |
3268 | /* see comment in SSL_CTX_set_cipher_list */ |
3269 | if (sk == NULL) | |
3270 | return 0; | |
3c83c5ba | 3271 | else if (cipher_list_tls12_num(sk) == 0) { |
6849b73c | 3272 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_CIPHER_MATCH); |
0f113f3e MC |
3273 | return 0; |
3274 | } | |
3275 | return 1; | |
3276 | } | |
d02b48c6 | 3277 | |
a216df59 | 3278 | char *SSL_get_shared_ciphers(const SSL *s, char *buf, int size) |
0f113f3e MC |
3279 | { |
3280 | char *p; | |
a216df59 | 3281 | STACK_OF(SSL_CIPHER) *clntsk, *srvrsk; |
4a640fb6 | 3282 | const SSL_CIPHER *c; |
0f113f3e | 3283 | int i; |
38b051a1 TM |
3284 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
3285 | ||
3286 | if (sc == NULL) | |
3287 | return NULL; | |
0f113f3e | 3288 | |
38b051a1 TM |
3289 | if (!sc->server |
3290 | || sc->peer_ciphers == NULL | |
a216df59 | 3291 | || size < 2) |
26a7d938 | 3292 | return NULL; |
0f113f3e MC |
3293 | |
3294 | p = buf; | |
38b051a1 | 3295 | clntsk = sc->peer_ciphers; |
a216df59 MC |
3296 | srvrsk = SSL_get_ciphers(s); |
3297 | if (clntsk == NULL || srvrsk == NULL) | |
3298 | return NULL; | |
0f113f3e | 3299 | |
a216df59 | 3300 | if (sk_SSL_CIPHER_num(clntsk) == 0 || sk_SSL_CIPHER_num(srvrsk) == 0) |
0f113f3e MC |
3301 | return NULL; |
3302 | ||
a216df59 | 3303 | for (i = 0; i < sk_SSL_CIPHER_num(clntsk); i++) { |
0f113f3e MC |
3304 | int n; |
3305 | ||
a216df59 MC |
3306 | c = sk_SSL_CIPHER_value(clntsk, i); |
3307 | if (sk_SSL_CIPHER_find(srvrsk, c) < 0) | |
3308 | continue; | |
3309 | ||
0f113f3e | 3310 | n = strlen(c->name); |
a216df59 | 3311 | if (n + 1 > size) { |
0f113f3e MC |
3312 | if (p != buf) |
3313 | --p; | |
3314 | *p = '\0'; | |
3315 | return buf; | |
3316 | } | |
4cacc9d5 | 3317 | strcpy(p, c->name); |
0f113f3e MC |
3318 | p += n; |
3319 | *(p++) = ':'; | |
a216df59 | 3320 | size -= n + 1; |
0f113f3e MC |
3321 | } |
3322 | p[-1] = '\0'; | |
26a7d938 | 3323 | return buf; |
0f113f3e MC |
3324 | } |
3325 | ||
7955c1f1 MC |
3326 | /** |
3327 | * Return the requested servername (SNI) value. Note that the behaviour varies | |
3328 | * depending on: | |
3329 | * - whether this is called by the client or the server, | |
3330 | * - if we are before or during/after the handshake, | |
3331 | * - if a resumption or normal handshake is being attempted/has occurred | |
3332 | * - whether we have negotiated TLSv1.2 (or below) or TLSv1.3 | |
38b051a1 | 3333 | * |
7955c1f1 | 3334 | * Note that only the host_name type is defined (RFC 3546). |
ed3883d2 | 3335 | */ |
f1fd4544 | 3336 | const char *SSL_get_servername(const SSL *s, const int type) |
0f113f3e | 3337 | { |
38b051a1 TM |
3338 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
3339 | int server; | |
3340 | ||
3341 | if (sc == NULL) | |
3342 | return NULL; | |
3343 | ||
7955c1f1 MC |
3344 | /* |
3345 | * If we don't know if we are the client or the server yet then we assume | |
3346 | * client. | |
3347 | */ | |
38b051a1 TM |
3348 | server = sc->handshake_func == NULL ? 0 : sc->server; |
3349 | ||
0f113f3e MC |
3350 | if (type != TLSEXT_NAMETYPE_host_name) |
3351 | return NULL; | |
a13c20f6 | 3352 | |
7955c1f1 MC |
3353 | if (server) { |
3354 | /** | |
3355 | * Server side | |
3356 | * In TLSv1.3 on the server SNI is not associated with the session | |
3357 | * but in TLSv1.2 or below it is. | |
3358 | * | |
3359 | * Before the handshake: | |
3360 | * - return NULL | |
3361 | * | |
3362 | * During/after the handshake (TLSv1.2 or below resumption occurred): | |
3363 | * - If a servername was accepted by the server in the original | |
3364 | * handshake then it will return that servername, or NULL otherwise. | |
3365 | * | |
3366 | * During/after the handshake (TLSv1.2 or below resumption did not occur): | |
3367 | * - The function will return the servername requested by the client in | |
3368 | * this handshake or NULL if none was requested. | |
3369 | */ | |
38b051a1 TM |
3370 | if (sc->hit && !SSL_CONNECTION_IS_TLS13(sc)) |
3371 | return sc->session->ext.hostname; | |
7955c1f1 MC |
3372 | } else { |
3373 | /** | |
3374 | * Client side | |
3375 | * | |
3376 | * Before the handshake: | |
3377 | * - If a servername has been set via a call to | |
3378 | * SSL_set_tlsext_host_name() then it will return that servername | |
3379 | * - If one has not been set, but a TLSv1.2 resumption is being | |
3380 | * attempted and the session from the original handshake had a | |
3381 | * servername accepted by the server then it will return that | |
3382 | * servername | |
3383 | * - Otherwise it returns NULL | |
3384 | * | |
3385 | * During/after the handshake (TLSv1.2 or below resumption occurred): | |
9f7505ab | 3386 | * - If the session from the original handshake had a servername accepted |
7955c1f1 MC |
3387 | * by the server then it will return that servername. |
3388 | * - Otherwise it returns the servername set via | |
3389 | * SSL_set_tlsext_host_name() (or NULL if it was not called). | |
3390 | * | |
3391 | * During/after the handshake (TLSv1.2 or below resumption did not occur): | |
3392 | * - It will return the servername set via SSL_set_tlsext_host_name() | |
3393 | * (or NULL if it was not called). | |
3394 | */ | |
3395 | if (SSL_in_before(s)) { | |
38b051a1 TM |
3396 | if (sc->ext.hostname == NULL |
3397 | && sc->session != NULL | |
3398 | && sc->session->ssl_version != TLS1_3_VERSION) | |
3399 | return sc->session->ext.hostname; | |
7955c1f1 | 3400 | } else { |
38b051a1 TM |
3401 | if (!SSL_CONNECTION_IS_TLS13(sc) && sc->hit |
3402 | && sc->session->ext.hostname != NULL) | |
3403 | return sc->session->ext.hostname; | |
7955c1f1 MC |
3404 | } |
3405 | } | |
3406 | ||
38b051a1 | 3407 | return sc->ext.hostname; |
0f113f3e | 3408 | } |
ed3883d2 | 3409 | |
f1fd4544 | 3410 | int SSL_get_servername_type(const SSL *s) |
0f113f3e | 3411 | { |
7955c1f1 | 3412 | if (SSL_get_servername(s, TLSEXT_NAMETYPE_host_name) != NULL) |
0f113f3e MC |
3413 | return TLSEXT_NAMETYPE_host_name; |
3414 | return -1; | |
3415 | } | |
ee2ffc27 | 3416 | |
0f113f3e MC |
3417 | /* |
3418 | * SSL_select_next_proto implements the standard protocol selection. It is | |
ee2ffc27 | 3419 | * expected that this function is called from the callback set by |
0f113f3e MC |
3420 | * SSL_CTX_set_next_proto_select_cb. The protocol data is assumed to be a |
3421 | * vector of 8-bit, length prefixed byte strings. The length byte itself is | |
3422 | * not included in the length. A byte string of length 0 is invalid. No byte | |
3423 | * string may be truncated. The current, but experimental algorithm for | |
3424 | * selecting the protocol is: 1) If the server doesn't support NPN then this | |
3425 | * is indicated to the callback. In this case, the client application has to | |
3426 | * abort the connection or have a default application level protocol. 2) If | |
3427 | * the server supports NPN, but advertises an empty list then the client | |
f430ba31 | 3428 | * selects the first protocol in its list, but indicates via the API that this |
0f113f3e MC |
3429 | * fallback case was enacted. 3) Otherwise, the client finds the first |
3430 | * protocol in the server's list that it supports and selects this protocol. | |
3431 | * This is because it's assumed that the server has better information about | |
3432 | * which protocol a client should use. 4) If the client doesn't support any | |
3433 | * of the server's advertised protocols, then this is treated the same as | |
3434 | * case 2. It returns either OPENSSL_NPN_NEGOTIATED if a common protocol was | |
3435 | * found, or OPENSSL_NPN_NO_OVERLAP if the fallback case was reached. | |
ee2ffc27 | 3436 | */ |
0f113f3e MC |
3437 | int SSL_select_next_proto(unsigned char **out, unsigned char *outlen, |
3438 | const unsigned char *server, | |
3439 | unsigned int server_len, | |
a230b26e | 3440 | const unsigned char *client, unsigned int client_len) |
0f113f3e MC |
3441 | { |
3442 | unsigned int i, j; | |
3443 | const unsigned char *result; | |
3444 | int status = OPENSSL_NPN_UNSUPPORTED; | |
3445 | ||
3446 | /* | |
3447 | * For each protocol in server preference order, see if we support it. | |
3448 | */ | |
3449 | for (i = 0; i < server_len;) { | |
3450 | for (j = 0; j < client_len;) { | |
3451 | if (server[i] == client[j] && | |
3452 | memcmp(&server[i + 1], &client[j + 1], server[i]) == 0) { | |
3453 | /* We found a match */ | |
3454 | result = &server[i]; | |
3455 | status = OPENSSL_NPN_NEGOTIATED; | |
3456 | goto found; | |
3457 | } | |
3458 | j += client[j]; | |
3459 | j++; | |
3460 | } | |
3461 | i += server[i]; | |
3462 | i++; | |
3463 | } | |
3464 | ||
3465 | /* There's no overlap between our protocols and the server's list. */ | |
3466 | result = client; | |
3467 | status = OPENSSL_NPN_NO_OVERLAP; | |
3468 | ||
3469 | found: | |
3470 | *out = (unsigned char *)result + 1; | |
3471 | *outlen = result[0]; | |
3472 | return status; | |
3473 | } | |
ee2ffc27 | 3474 | |
e481f9b9 | 3475 | #ifndef OPENSSL_NO_NEXTPROTONEG |
0f113f3e MC |
3476 | /* |
3477 | * SSL_get0_next_proto_negotiated sets *data and *len to point to the | |
3478 | * client's requested protocol for this connection and returns 0. If the | |
3479 | * client didn't request any protocol, then *data is set to NULL. Note that | |
3480 | * the client can request any protocol it chooses. The value returned from | |
3481 | * this function need not be a member of the list of supported protocols | |
ee2ffc27 BL |
3482 | * provided by the callback. |
3483 | */ | |
0f113f3e MC |
3484 | void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data, |
3485 | unsigned *len) | |
3486 | { | |
38b051a1 TM |
3487 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
3488 | ||
3489 | if (sc == NULL) { | |
3490 | /* We have no other way to indicate error */ | |
3491 | *data = NULL; | |
3492 | *len = 0; | |
3493 | return; | |
3494 | } | |
3495 | ||
3496 | *data = sc->ext.npn; | |
12a765a5 | 3497 | if (*data == NULL) { |
0f113f3e MC |
3498 | *len = 0; |
3499 | } else { | |
38b051a1 | 3500 | *len = (unsigned int)sc->ext.npn_len; |
0f113f3e MC |
3501 | } |
3502 | } | |
3503 | ||
3504 | /* | |
aff8c126 | 3505 | * SSL_CTX_set_npn_advertised_cb sets a callback that is called when |
0f113f3e MC |
3506 | * a TLS server needs a list of supported protocols for Next Protocol |
3507 | * Negotiation. The returned list must be in wire format. The list is | |
3508 | * returned by setting |out| to point to it and |outlen| to its length. This | |
3509 | * memory will not be modified, but one should assume that the SSL* keeps a | |
3510 | * reference to it. The callback should return SSL_TLSEXT_ERR_OK if it | |
3511 | * wishes to advertise. Otherwise, no such extension will be included in the | |
3512 | * ServerHello. | |
3513 | */ | |
aff8c126 | 3514 | void SSL_CTX_set_npn_advertised_cb(SSL_CTX *ctx, |
8cbfcc70 | 3515 | SSL_CTX_npn_advertised_cb_func cb, |
aff8c126 | 3516 | void *arg) |
0f113f3e | 3517 | { |
aff8c126 RS |
3518 | ctx->ext.npn_advertised_cb = cb; |
3519 | ctx->ext.npn_advertised_cb_arg = arg; | |
0f113f3e MC |
3520 | } |
3521 | ||
3522 | /* | |
3523 | * SSL_CTX_set_next_proto_select_cb sets a callback that is called when a | |
ee2ffc27 BL |
3524 | * client needs to select a protocol from the server's provided list. |out| |
3525 | * must be set to point to the selected protocol (which may be within |in|). | |
0f113f3e MC |
3526 | * The length of the protocol name must be written into |outlen|. The |
3527 | * server's advertised protocols are provided in |in| and |inlen|. The | |
3528 | * callback can assume that |in| is syntactically valid. The client must | |
3529 | * select a protocol. It is fatal to the connection if this callback returns | |
3530 | * a value other than SSL_TLSEXT_ERR_OK. | |
ee2ffc27 | 3531 | */ |
aff8c126 | 3532 | void SSL_CTX_set_npn_select_cb(SSL_CTX *ctx, |
8cbfcc70 | 3533 | SSL_CTX_npn_select_cb_func cb, |
aff8c126 | 3534 | void *arg) |
0f113f3e | 3535 | { |
aff8c126 RS |
3536 | ctx->ext.npn_select_cb = cb; |
3537 | ctx->ext.npn_select_cb_arg = arg; | |
0f113f3e | 3538 | } |
e481f9b9 | 3539 | #endif |
a398f821 | 3540 | |
feba11cf TS |
3541 | static int alpn_value_ok(const unsigned char *protos, unsigned int protos_len) |
3542 | { | |
3543 | unsigned int idx; | |
3544 | ||
3545 | if (protos_len < 2 || protos == NULL) | |
3546 | return 0; | |
3547 | ||
3548 | for (idx = 0; idx < protos_len; idx += protos[idx] + 1) { | |
3549 | if (protos[idx] == 0) | |
3550 | return 0; | |
3551 | } | |
3552 | return idx == protos_len; | |
3553 | } | |
0f113f3e MC |
3554 | /* |
3555 | * SSL_CTX_set_alpn_protos sets the ALPN protocol list on |ctx| to |protos|. | |
6f017a8f | 3556 | * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit |
0f113f3e MC |
3557 | * length-prefixed strings). Returns 0 on success. |
3558 | */ | |
3559 | int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char *protos, | |
817cd0d5 | 3560 | unsigned int protos_len) |
0f113f3e | 3561 | { |
feba11cf TS |
3562 | unsigned char *alpn; |
3563 | ||
3564 | if (protos_len == 0 || protos == NULL) { | |
3565 | OPENSSL_free(ctx->ext.alpn); | |
3566 | ctx->ext.alpn = NULL; | |
39a14059 | 3567 | ctx->ext.alpn_len = 0; |
feba11cf TS |
3568 | return 0; |
3569 | } | |
3570 | /* Not valid per RFC */ | |
3571 | if (!alpn_value_ok(protos, protos_len)) | |
3572 | return 1; | |
3573 | ||
3574 | alpn = OPENSSL_memdup(protos, protos_len); | |
e077455e | 3575 | if (alpn == NULL) |
0f113f3e | 3576 | return 1; |
feba11cf TS |
3577 | OPENSSL_free(ctx->ext.alpn); |
3578 | ctx->ext.alpn = alpn; | |
aff8c126 | 3579 | ctx->ext.alpn_len = protos_len; |
0f113f3e MC |
3580 | |
3581 | return 0; | |
3582 | } | |
3583 | ||
3584 | /* | |
3585 | * SSL_set_alpn_protos sets the ALPN protocol list on |ssl| to |protos|. | |
6f017a8f | 3586 | * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit |
0f113f3e MC |
3587 | * length-prefixed strings). Returns 0 on success. |
3588 | */ | |
3589 | int SSL_set_alpn_protos(SSL *ssl, const unsigned char *protos, | |
817cd0d5 | 3590 | unsigned int protos_len) |
0f113f3e | 3591 | { |
feba11cf | 3592 | unsigned char *alpn; |
38b051a1 TM |
3593 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
3594 | ||
3595 | if (sc == NULL) | |
3596 | return 1; | |
feba11cf TS |
3597 | |
3598 | if (protos_len == 0 || protos == NULL) { | |
38b051a1 TM |
3599 | OPENSSL_free(sc->ext.alpn); |
3600 | sc->ext.alpn = NULL; | |
3601 | sc->ext.alpn_len = 0; | |
feba11cf TS |
3602 | return 0; |
3603 | } | |
3604 | /* Not valid per RFC */ | |
3605 | if (!alpn_value_ok(protos, protos_len)) | |
3606 | return 1; | |
3607 | ||
3608 | alpn = OPENSSL_memdup(protos, protos_len); | |
e077455e | 3609 | if (alpn == NULL) |
0f113f3e | 3610 | return 1; |
38b051a1 TM |
3611 | OPENSSL_free(sc->ext.alpn); |
3612 | sc->ext.alpn = alpn; | |
3613 | sc->ext.alpn_len = protos_len; | |
0f113f3e MC |
3614 | |
3615 | return 0; | |
3616 | } | |
3617 | ||
3618 | /* | |
3619 | * SSL_CTX_set_alpn_select_cb sets a callback function on |ctx| that is | |
3620 | * called during ClientHello processing in order to select an ALPN protocol | |
3621 | * from the client's list of offered protocols. | |
3622 | */ | |
3623 | void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx, | |
8cbfcc70 RS |
3624 | SSL_CTX_alpn_select_cb_func cb, |
3625 | void *arg) | |
0f113f3e | 3626 | { |
aff8c126 RS |
3627 | ctx->ext.alpn_select_cb = cb; |
3628 | ctx->ext.alpn_select_cb_arg = arg; | |
0f113f3e MC |
3629 | } |
3630 | ||
3631 | /* | |
69687aa8 F |
3632 | * SSL_get0_alpn_selected gets the selected ALPN protocol (if any) from |ssl|. |
3633 | * On return it sets |*data| to point to |*len| bytes of protocol name | |
0f113f3e MC |
3634 | * (not including the leading length-prefix byte). If the server didn't |
3635 | * respond with a negotiated protocol then |*len| will be zero. | |
3636 | */ | |
6f017a8f | 3637 | void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data, |
817cd0d5 | 3638 | unsigned int *len) |
0f113f3e | 3639 | { |
38b051a1 TM |
3640 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl); |
3641 | ||
3642 | if (sc == NULL) { | |
3643 | /* We have no other way to indicate error */ | |
3644 | *data = NULL; | |
3645 | *len = 0; | |
3646 | return; | |
3647 | } | |
3648 | ||
3649 | *data = sc->s3.alpn_selected; | |
0f113f3e MC |
3650 | if (*data == NULL) |
3651 | *len = 0; | |
3652 | else | |
38b051a1 | 3653 | *len = (unsigned int)sc->s3.alpn_selected_len; |
0f113f3e MC |
3654 | } |
3655 | ||
74b4b494 | 3656 | int SSL_export_keying_material(SSL *s, unsigned char *out, size_t olen, |
0f113f3e | 3657 | const char *label, size_t llen, |
23cec1f4 | 3658 | const unsigned char *context, size_t contextlen, |
0f113f3e MC |
3659 | int use_context) |
3660 | { | |
38b051a1 TM |
3661 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
3662 | ||
3663 | if (sc == NULL) | |
3664 | return -1; | |
3665 | ||
3666 | if (sc->session == NULL | |
3667 | || (sc->version < TLS1_VERSION && sc->version != DTLS1_BAD_VER)) | |
0f113f3e | 3668 | return -1; |
e0af0405 | 3669 | |
38b051a1 | 3670 | return s->method->ssl3_enc->export_keying_material(sc, out, olen, label, |
23cec1f4 MC |
3671 | llen, context, |
3672 | contextlen, use_context); | |
0f113f3e | 3673 | } |
e0af0405 | 3674 | |
b38ede80 TT |
3675 | int SSL_export_keying_material_early(SSL *s, unsigned char *out, size_t olen, |
3676 | const char *label, size_t llen, | |
3677 | const unsigned char *context, | |
3678 | size_t contextlen) | |
3679 | { | |
38b051a1 TM |
3680 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
3681 | ||
3682 | if (sc == NULL) | |
3683 | return -1; | |
3684 | ||
3685 | if (sc->version != TLS1_3_VERSION) | |
b38ede80 TT |
3686 | return 0; |
3687 | ||
38b051a1 | 3688 | return tls13_export_keying_material_early(sc, out, olen, label, llen, |
b38ede80 TT |
3689 | context, contextlen); |
3690 | } | |
3691 | ||
3c1d6bbc | 3692 | static unsigned long ssl_session_hash(const SSL_SESSION *a) |
0f113f3e | 3693 | { |
bd5d27c1 | 3694 | const unsigned char *session_id = a->session_id; |
0f113f3e | 3695 | unsigned long l; |
bd5d27c1 DB |
3696 | unsigned char tmp_storage[4]; |
3697 | ||
3698 | if (a->session_id_length < sizeof(tmp_storage)) { | |
3699 | memset(tmp_storage, 0, sizeof(tmp_storage)); | |
3700 | memcpy(tmp_storage, a->session_id, a->session_id_length); | |
3701 | session_id = tmp_storage; | |
3702 | } | |
0f113f3e MC |
3703 | |
3704 | l = (unsigned long) | |
bd5d27c1 DB |
3705 | ((unsigned long)session_id[0]) | |
3706 | ((unsigned long)session_id[1] << 8L) | | |
3707 | ((unsigned long)session_id[2] << 16L) | | |
3708 | ((unsigned long)session_id[3] << 24L); | |
26a7d938 | 3709 | return l; |
0f113f3e MC |
3710 | } |
3711 | ||
3712 | /* | |
3713 | * NB: If this function (or indeed the hash function which uses a sort of | |
dc644fe2 | 3714 | * coarser function than this one) is changed, ensure |
0f113f3e MC |
3715 | * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on |
3716 | * being able to construct an SSL_SESSION that will collide with any existing | |
3717 | * session with a matching session ID. | |
3718 | */ | |
3719 | static int ssl_session_cmp(const SSL_SESSION *a, const SSL_SESSION *b) | |
3720 | { | |
3721 | if (a->ssl_version != b->ssl_version) | |
208fb891 | 3722 | return 1; |
0f113f3e | 3723 | if (a->session_id_length != b->session_id_length) |
208fb891 | 3724 | return 1; |
26a7d938 | 3725 | return memcmp(a->session_id, b->session_id, a->session_id_length); |
0f113f3e MC |
3726 | } |
3727 | ||
3728 | /* | |
3729 | * These wrapper functions should remain rather than redeclaring | |
d0fa136c | 3730 | * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each |
0f113f3e MC |
3731 | * variable. The reason is that the functions aren't static, they're exposed |
3732 | * via ssl.h. | |
3733 | */ | |
97b17195 | 3734 | |
b4250010 | 3735 | SSL_CTX *SSL_CTX_new_ex(OSSL_LIB_CTX *libctx, const char *propq, |
d8652be0 | 3736 | const SSL_METHOD *meth) |
0f113f3e MC |
3737 | { |
3738 | SSL_CTX *ret = NULL; | |
b67cb09f TS |
3739 | #ifndef OPENSSL_NO_COMP_ALG |
3740 | int i; | |
3741 | #endif | |
0f113f3e MC |
3742 | |
3743 | if (meth == NULL) { | |
6849b73c | 3744 | ERR_raise(ERR_LIB_SSL, SSL_R_NULL_SSL_METHOD_PASSED); |
26a7d938 | 3745 | return NULL; |
0f113f3e MC |
3746 | } |
3747 | ||
0fc32b07 MC |
3748 | if (!OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, NULL)) |
3749 | return NULL; | |
7fa792d1 | 3750 | |
0f113f3e | 3751 | if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) { |
6849b73c | 3752 | ERR_raise(ERR_LIB_SSL, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS); |
0f113f3e MC |
3753 | goto err; |
3754 | } | |
b51bce94 | 3755 | ret = OPENSSL_zalloc(sizeof(*ret)); |
0f113f3e MC |
3756 | if (ret == NULL) |
3757 | goto err; | |
3758 | ||
045a8930 F |
3759 | /* Init the reference counting before any call to SSL_CTX_free */ |
3760 | ret->references = 1; | |
3761 | ret->lock = CRYPTO_THREAD_lock_new(); | |
3762 | if (ret->lock == NULL) { | |
e077455e RL |
3763 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
3764 | goto err; | |
045a8930 F |
3765 | } |
3766 | ||
acce0557 P |
3767 | #ifdef TSAN_REQUIRES_LOCKING |
3768 | ret->tsan_lock = CRYPTO_THREAD_lock_new(); | |
3769 | if (ret->tsan_lock == NULL) { | |
e077455e | 3770 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
acce0557 P |
3771 | goto err; |
3772 | } | |
3773 | #endif | |
3774 | ||
ba18627e MC |
3775 | ret->libctx = libctx; |
3776 | if (propq != NULL) { | |
3777 | ret->propq = OPENSSL_strdup(propq); | |
3778 | if (ret->propq == NULL) | |
3779 | goto err; | |
3780 | } | |
3781 | ||
0f113f3e | 3782 | ret->method = meth; |
7946ab33 KR |
3783 | ret->min_proto_version = 0; |
3784 | ret->max_proto_version = 0; | |
693cf80c | 3785 | ret->mode = SSL_MODE_AUTO_RETRY; |
0f113f3e MC |
3786 | ret->session_cache_mode = SSL_SESS_CACHE_SERVER; |
3787 | ret->session_cache_size = SSL_SESSION_CACHE_MAX_SIZE_DEFAULT; | |
64b25758 | 3788 | /* We take the system default. */ |
0f113f3e | 3789 | ret->session_timeout = meth->get_timeout(); |
0f113f3e | 3790 | ret->max_cert_list = SSL_MAX_CERT_LIST_DEFAULT; |
0f113f3e | 3791 | ret->verify_mode = SSL_VERIFY_NONE; |
0f113f3e | 3792 | |
62d0577e | 3793 | ret->sessions = lh_SSL_SESSION_new(ssl_session_hash, ssl_session_cmp); |
e077455e RL |
3794 | if (ret->sessions == NULL) { |
3795 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); | |
0f113f3e | 3796 | goto err; |
e077455e | 3797 | } |
0f113f3e | 3798 | ret->cert_store = X509_STORE_new(); |
e077455e RL |
3799 | if (ret->cert_store == NULL) { |
3800 | ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB); | |
0f113f3e | 3801 | goto err; |
e077455e | 3802 | } |
ed29e82a | 3803 | #ifndef OPENSSL_NO_CT |
d8652be0 | 3804 | ret->ctlog_store = CTLOG_STORE_new_ex(libctx, propq); |
e077455e RL |
3805 | if (ret->ctlog_store == NULL) { |
3806 | ERR_raise(ERR_LIB_SSL, ERR_R_CT_LIB); | |
ed29e82a | 3807 | goto err; |
e077455e | 3808 | } |
ed29e82a | 3809 | #endif |
f865b081 | 3810 | |
c8f6c28a | 3811 | /* initialize cipher/digest methods table */ |
ee58915c MB |
3812 | if (!ssl_load_ciphers(ret)) { |
3813 | ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB); | |
e077455e | 3814 | goto err; |
ee58915c MB |
3815 | } |
3816 | ||
3817 | if (!ssl_load_groups(ret)) { | |
3818 | ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB); | |
3819 | goto err; | |
3820 | } | |
3821 | ||
3822 | /* load provider sigalgs */ | |
3823 | if (!ssl_load_sigalgs(ret)) { | |
3824 | ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB); | |
e077455e | 3825 | goto err; |
ee58915c | 3826 | } |
c8f6c28a | 3827 | |
ee58915c MB |
3828 | /* initialise sig algs */ |
3829 | if (!ssl_setup_sigalgs(ret)) { | |
3830 | ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB); | |
e077455e | 3831 | goto err; |
ee58915c | 3832 | } |
9d2d857f | 3833 | |
e077455e RL |
3834 | if (!SSL_CTX_set_ciphersuites(ret, OSSL_default_ciphersuites())) { |
3835 | ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB); | |
f865b081 | 3836 | goto err; |
e077455e | 3837 | } |
f865b081 | 3838 | |
ee58915c MB |
3839 | if ((ret->cert = ssl_cert_new(SSL_PKEY_NUM + ret->sigalg_list_len)) == NULL) { |
3840 | ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB); | |
3841 | goto err; | |
3842 | } | |
3843 | ||
a68eee67 | 3844 | if (!ssl_create_cipher_list(ret, |
f865b081 | 3845 | ret->tls13_ciphersuites, |
a230b26e | 3846 | &ret->cipher_list, &ret->cipher_list_by_id, |
5d120511 | 3847 | OSSL_default_cipher_list(), ret->cert) |
a230b26e | 3848 | || sk_SSL_CIPHER_num(ret->cipher_list) <= 0) { |
6849b73c | 3849 | ERR_raise(ERR_LIB_SSL, SSL_R_LIBRARY_HAS_NO_CIPHERS); |
e077455e | 3850 | goto err; |
0f113f3e MC |
3851 | } |
3852 | ||
3853 | ret->param = X509_VERIFY_PARAM_new(); | |
e077455e RL |
3854 | if (ret->param == NULL) { |
3855 | ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB); | |
0f113f3e | 3856 | goto err; |
e077455e | 3857 | } |
0f113f3e | 3858 | |
c8f6c28a MC |
3859 | /* |
3860 | * If these aren't available from the provider we'll get NULL returns. | |
3861 | * That's fine but will cause errors later if SSLv3 is negotiated | |
3862 | */ | |
3863 | ret->md5 = ssl_evp_md_fetch(libctx, NID_md5, propq); | |
3864 | ret->sha1 = ssl_evp_md_fetch(libctx, NID_sha1, propq); | |
0f113f3e | 3865 | |
e077455e RL |
3866 | if ((ret->ca_names = sk_X509_NAME_new_null()) == NULL) { |
3867 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); | |
0f113f3e | 3868 | goto err; |
e077455e | 3869 | } |
0f113f3e | 3870 | |
e077455e RL |
3871 | if ((ret->client_ca_names = sk_X509_NAME_new_null()) == NULL) { |
3872 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); | |
98732979 | 3873 | goto err; |
e077455e | 3874 | } |
98732979 | 3875 | |
e077455e RL |
3876 | if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data)) { |
3877 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); | |
25a807bc | 3878 | goto err; |
e077455e | 3879 | } |
0f113f3e | 3880 | |
4bfb96f2 TS |
3881 | if ((ret->ext.secure = OPENSSL_secure_zalloc(sizeof(*ret->ext.secure))) == NULL) |
3882 | goto err; | |
3883 | ||
0f113f3e MC |
3884 | /* No compression for DTLS */ |
3885 | if (!(meth->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS)) | |
3886 | ret->comp_methods = SSL_COMP_get_compression_methods(); | |
3887 | ||
3888 | ret->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; | |
d102d9df | 3889 | ret->split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; |
566dda07 | 3890 | |
4e2e1ec9 | 3891 | /* Setup RFC5077 ticket keys */ |
8f21260b | 3892 | if ((RAND_bytes_ex(libctx, ret->ext.tick_key_name, |
0f8815aa | 3893 | sizeof(ret->ext.tick_key_name), 0) <= 0) |
8f21260b | 3894 | || (RAND_priv_bytes_ex(libctx, ret->ext.secure->tick_hmac_key, |
0f8815aa | 3895 | sizeof(ret->ext.secure->tick_hmac_key), 0) <= 0) |
8f21260b | 3896 | || (RAND_priv_bytes_ex(libctx, ret->ext.secure->tick_aes_key, |
0f8815aa | 3897 | sizeof(ret->ext.secure->tick_aes_key), 0) <= 0)) |
0f113f3e | 3898 | ret->options |= SSL_OP_NO_TICKET; |
6434abbf | 3899 | |
8f21260b | 3900 | if (RAND_priv_bytes_ex(libctx, ret->ext.cookie_hmac_key, |
e077455e RL |
3901 | sizeof(ret->ext.cookie_hmac_key), 0) <= 0) { |
3902 | ERR_raise(ERR_LIB_SSL, ERR_R_RAND_LIB); | |
43054d3d | 3903 | goto err; |
e077455e | 3904 | } |
43054d3d | 3905 | |
edc032b5 | 3906 | #ifndef OPENSSL_NO_SRP |
e077455e RL |
3907 | if (!ssl_ctx_srp_ctx_init_intern(ret)) { |
3908 | ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB); | |
69f68237 | 3909 | goto err; |
e077455e | 3910 | } |
edc032b5 | 3911 | #endif |
4db9677b | 3912 | #ifndef OPENSSL_NO_ENGINE |
0f113f3e MC |
3913 | # ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO |
3914 | # define eng_strx(x) #x | |
3915 | # define eng_str(x) eng_strx(x) | |
3916 | /* Use specific client engine automatically... ignore errors */ | |
3917 | { | |
3918 | ENGINE *eng; | |
3919 | eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO)); | |
3920 | if (!eng) { | |
3921 | ERR_clear_error(); | |
3922 | ENGINE_load_builtin_engines(); | |
3923 | eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO)); | |
3924 | } | |
3925 | if (!eng || !SSL_CTX_set_client_cert_engine(ret, eng)) | |
3926 | ERR_clear_error(); | |
3927 | } | |
3928 | # endif | |
b67cb09f TS |
3929 | #endif |
3930 | ||
3931 | #ifndef OPENSSL_NO_COMP_ALG | |
3932 | /* | |
3933 | * Set the default order: brotli, zlib, zstd | |
3934 | * Including only those enabled algorithms | |
3935 | */ | |
3936 | memset(ret->cert_comp_prefs, 0, sizeof(ret->cert_comp_prefs)); | |
3937 | i = 0; | |
3938 | if (ossl_comp_has_alg(TLSEXT_comp_cert_brotli)) | |
3939 | ret->cert_comp_prefs[i++] = TLSEXT_comp_cert_brotli; | |
3940 | if (ossl_comp_has_alg(TLSEXT_comp_cert_zlib)) | |
3941 | ret->cert_comp_prefs[i++] = TLSEXT_comp_cert_zlib; | |
3942 | if (ossl_comp_has_alg(TLSEXT_comp_cert_zstd)) | |
3943 | ret->cert_comp_prefs[i++] = TLSEXT_comp_cert_zstd; | |
0f113f3e | 3944 | #endif |
dc5744cb EK |
3945 | /* |
3946 | * Disable compression by default to prevent CRIME. Applications can | |
3947 | * re-enable compression by configuring | |
3948 | * SSL_CTX_clear_options(ctx, SSL_OP_NO_COMPRESSION); | |
a5816a5a MC |
3949 | * or by using the SSL_CONF library. Similarly we also enable TLSv1.3 |
3950 | * middlebox compatibility by default. This may be disabled by default in | |
3951 | * a later OpenSSL version. | |
dc5744cb | 3952 | */ |
a5816a5a | 3953 | ret->options |= SSL_OP_NO_COMPRESSION | SSL_OP_ENABLE_MIDDLEBOX_COMPAT; |
0f113f3e | 3954 | |
aff8c126 | 3955 | ret->ext.status_type = TLSEXT_STATUSTYPE_nothing; |
ba261f71 | 3956 | |
bfa9a9af | 3957 | /* |
c39e4048 BK |
3958 | * We cannot usefully set a default max_early_data here (which gets |
3959 | * propagated in SSL_new(), for the following reason: setting the | |
3960 | * SSL field causes tls_construct_stoc_early_data() to tell the | |
3961 | * client that early data will be accepted when constructing a TLS 1.3 | |
3962 | * session ticket, and the client will accordingly send us early data | |
3963 | * when using that ticket (if the client has early data to send). | |
3964 | * However, in order for the early data to actually be consumed by | |
3965 | * the application, the application must also have calls to | |
3966 | * SSL_read_early_data(); otherwise we'll just skip past the early data | |
3967 | * and ignore it. So, since the application must add calls to | |
3968 | * SSL_read_early_data(), we also require them to add | |
3969 | * calls to SSL_CTX_set_max_early_data() in order to use early data, | |
3970 | * eliminating the bandwidth-wasting early data in the case described | |
3971 | * above. | |
bfa9a9af | 3972 | */ |
c39e4048 | 3973 | ret->max_early_data = 0; |
bfa9a9af | 3974 | |
4e8548e8 MC |
3975 | /* |
3976 | * Default recv_max_early_data is a fully loaded single record. Could be | |
3977 | * split across multiple records in practice. We set this differently to | |
3978 | * max_early_data so that, in the default case, we do not advertise any | |
3979 | * support for early_data, but if a client were to send us some (e.g. | |
3980 | * because of an old, stale ticket) then we will tolerate it and skip over | |
3981 | * it. | |
3982 | */ | |
3983 | ret->recv_max_early_data = SSL3_RT_MAX_PLAIN_LENGTH; | |
3984 | ||
36ff232c MC |
3985 | /* By default we send two session tickets automatically in TLSv1.3 */ |
3986 | ret->num_tickets = 2; | |
9d0a8bb7 | 3987 | |
8a5ed9dc TM |
3988 | ssl_ctx_system_config(ret); |
3989 | ||
16203f7b | 3990 | return ret; |
0f113f3e | 3991 | err: |
e0e920b1 | 3992 | SSL_CTX_free(ret); |
16203f7b | 3993 | return NULL; |
0f113f3e | 3994 | } |
d02b48c6 | 3995 | |
ba18627e MC |
3996 | SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth) |
3997 | { | |
d8652be0 | 3998 | return SSL_CTX_new_ex(NULL, NULL, meth); |
ba18627e MC |
3999 | } |
4000 | ||
c5ebfcab | 4001 | int SSL_CTX_up_ref(SSL_CTX *ctx) |
a18a31e4 | 4002 | { |
16203f7b | 4003 | int i; |
c5ebfcab | 4004 | |
2f545ae4 | 4005 | if (CRYPTO_UP_REF(&ctx->references, &i, ctx->lock) <= 0) |
c5ebfcab F |
4006 | return 0; |
4007 | ||
4008 | REF_PRINT_COUNT("SSL_CTX", ctx); | |
4009 | REF_ASSERT_ISNT(i < 2); | |
4010 | return ((i > 1) ? 1 : 0); | |
a18a31e4 MC |
4011 | } |
4012 | ||
4f43d0e7 | 4013 | void SSL_CTX_free(SSL_CTX *a) |
0f113f3e MC |
4014 | { |
4015 | int i; | |
9d2d857f | 4016 | size_t j; |
d02b48c6 | 4017 | |
0f113f3e MC |
4018 | if (a == NULL) |
4019 | return; | |
d02b48c6 | 4020 | |
2f545ae4 | 4021 | CRYPTO_DOWN_REF(&a->references, &i, a->lock); |
f3f1cf84 | 4022 | REF_PRINT_COUNT("SSL_CTX", a); |
0f113f3e MC |
4023 | if (i > 0) |
4024 | return; | |
f3f1cf84 | 4025 | REF_ASSERT_ISNT(i < 0); |
0f113f3e | 4026 | |
222561fe | 4027 | X509_VERIFY_PARAM_free(a->param); |
919ba009 | 4028 | dane_ctx_final(&a->dane); |
0f113f3e MC |
4029 | |
4030 | /* | |
4031 | * Free internal session cache. However: the remove_cb() may reference | |
4032 | * the ex_data of SSL_CTX, thus the ex_data store can only be removed | |
4033 | * after the sessions were flushed. | |
4034 | * As the ex_data handling routines might also touch the session cache, | |
4035 | * the most secure solution seems to be: empty (flush) the cache, then | |
4036 | * free ex_data, then finally free the cache. | |
4037 | * (See ticket [openssl.org #212].) | |
4038 | */ | |
4039 | if (a->sessions != NULL) | |
4040 | SSL_CTX_flush_sessions(a, 0); | |
4041 | ||
4042 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data); | |
25aaa98a | 4043 | lh_SSL_SESSION_free(a->sessions); |
222561fe | 4044 | X509_STORE_free(a->cert_store); |
ed29e82a RP |
4045 | #ifndef OPENSSL_NO_CT |
4046 | CTLOG_STORE_free(a->ctlog_store); | |
4047 | #endif | |
25aaa98a RS |
4048 | sk_SSL_CIPHER_free(a->cipher_list); |
4049 | sk_SSL_CIPHER_free(a->cipher_list_by_id); | |
f865b081 | 4050 | sk_SSL_CIPHER_free(a->tls13_ciphersuites); |
e0e920b1 | 4051 | ssl_cert_free(a->cert); |
fa7c2637 | 4052 | sk_X509_NAME_pop_free(a->ca_names, X509_NAME_free); |
98732979 | 4053 | sk_X509_NAME_pop_free(a->client_ca_names, X509_NAME_free); |
79b2a2f2 | 4054 | OSSL_STACK_OF_X509_free(a->extra_certs); |
0f113f3e | 4055 | a->comp_methods = NULL; |
e783bae2 | 4056 | #ifndef OPENSSL_NO_SRTP |
25aaa98a | 4057 | sk_SRTP_PROTECTION_PROFILE_free(a->srtp_profiles); |
e783bae2 | 4058 | #endif |
edc032b5 | 4059 | #ifndef OPENSSL_NO_SRP |
76cb077f | 4060 | ssl_ctx_srp_ctx_free_intern(a); |
edc032b5 | 4061 | #endif |
bdfe932d | 4062 | #ifndef OPENSSL_NO_ENGINE |
301fcb28 | 4063 | tls_engine_finish(a->client_cert_engine); |
ddac1974 | 4064 | #endif |
8671b898 | 4065 | |
aff8c126 | 4066 | OPENSSL_free(a->ext.ecpointformats); |
187753e0 | 4067 | OPENSSL_free(a->ext.supportedgroups); |
ddf8f1ce | 4068 | OPENSSL_free(a->ext.supported_groups_default); |
aff8c126 | 4069 | OPENSSL_free(a->ext.alpn); |
4bfb96f2 | 4070 | OPENSSL_secure_free(a->ext.secure); |
8671b898 | 4071 | |
c8f6c28a MC |
4072 | ssl_evp_md_free(a->md5); |
4073 | ssl_evp_md_free(a->sha1); | |
4074 | ||
9d2d857f MC |
4075 | for (j = 0; j < SSL_ENC_NUM_IDX; j++) |
4076 | ssl_evp_cipher_free(a->ssl_cipher_methods[j]); | |
4077 | for (j = 0; j < SSL_MD_NUM_IDX; j++) | |
4078 | ssl_evp_md_free(a->ssl_digest_methods[j]); | |
4079 | for (j = 0; j < a->group_list_len; j++) { | |
4080 | OPENSSL_free(a->group_list[j].tlsname); | |
4081 | OPENSSL_free(a->group_list[j].realname); | |
4082 | OPENSSL_free(a->group_list[j].algorithm); | |
4083 | } | |
4084 | OPENSSL_free(a->group_list); | |
ee58915c MB |
4085 | for (j = 0; j < a->sigalg_list_len; j++) { |
4086 | OPENSSL_free(a->sigalg_list[j].name); | |
4087 | OPENSSL_free(a->sigalg_list[j].sigalg_name); | |
4088 | OPENSSL_free(a->sigalg_list[j].sigalg_oid); | |
4089 | OPENSSL_free(a->sigalg_list[j].sig_name); | |
4090 | OPENSSL_free(a->sigalg_list[j].sig_oid); | |
4091 | OPENSSL_free(a->sigalg_list[j].hash_name); | |
4092 | OPENSSL_free(a->sigalg_list[j].hash_oid); | |
4093 | OPENSSL_free(a->sigalg_list[j].keytype); | |
4094 | OPENSSL_free(a->sigalg_list[j].keytype_oid); | |
4095 | } | |
4096 | OPENSSL_free(a->sigalg_list); | |
4097 | OPENSSL_free(a->ssl_cert_info); | |
c8f6c28a | 4098 | |
263ff2c9 | 4099 | OPENSSL_free(a->sigalg_lookup_cache); |
ee58915c | 4100 | OPENSSL_free(a->tls12_sigalgs); |
263ff2c9 | 4101 | |
16203f7b | 4102 | CRYPTO_THREAD_lock_free(a->lock); |
acce0557 P |
4103 | #ifdef TSAN_REQUIRES_LOCKING |
4104 | CRYPTO_THREAD_lock_free(a->tsan_lock); | |
4105 | #endif | |
16203f7b | 4106 | |
ba18627e MC |
4107 | OPENSSL_free(a->propq); |
4108 | ||
0f113f3e MC |
4109 | OPENSSL_free(a); |
4110 | } | |
d02b48c6 | 4111 | |
3ae76679 | 4112 | void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb) |
0f113f3e MC |
4113 | { |
4114 | ctx->default_passwd_callback = cb; | |
4115 | } | |
4116 | ||
4117 | void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u) | |
4118 | { | |
4119 | ctx->default_passwd_callback_userdata = u; | |
4120 | } | |
4121 | ||
0c452abc CH |
4122 | pem_password_cb *SSL_CTX_get_default_passwd_cb(SSL_CTX *ctx) |
4123 | { | |
4124 | return ctx->default_passwd_callback; | |
4125 | } | |
4126 | ||
4127 | void *SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX *ctx) | |
4128 | { | |
4129 | return ctx->default_passwd_callback_userdata; | |
4130 | } | |
4131 | ||
a974e64a MC |
4132 | void SSL_set_default_passwd_cb(SSL *s, pem_password_cb *cb) |
4133 | { | |
38b051a1 TM |
4134 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4135 | ||
4136 | if (sc == NULL) | |
4137 | return; | |
4138 | ||
4139 | sc->default_passwd_callback = cb; | |
a974e64a MC |
4140 | } |
4141 | ||
4142 | void SSL_set_default_passwd_cb_userdata(SSL *s, void *u) | |
4143 | { | |
38b051a1 TM |
4144 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4145 | ||
4146 | if (sc == NULL) | |
4147 | return; | |
4148 | ||
4149 | sc->default_passwd_callback_userdata = u; | |
a974e64a MC |
4150 | } |
4151 | ||
0c452abc CH |
4152 | pem_password_cb *SSL_get_default_passwd_cb(SSL *s) |
4153 | { | |
38b051a1 TM |
4154 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4155 | ||
4156 | if (sc == NULL) | |
4157 | return NULL; | |
4158 | ||
4159 | return sc->default_passwd_callback; | |
0c452abc CH |
4160 | } |
4161 | ||
4162 | void *SSL_get_default_passwd_cb_userdata(SSL *s) | |
4163 | { | |
38b051a1 TM |
4164 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4165 | ||
4166 | if (sc == NULL) | |
4167 | return NULL; | |
4168 | ||
4169 | return sc->default_passwd_callback_userdata; | |
0c452abc CH |
4170 | } |
4171 | ||
0f113f3e MC |
4172 | void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, |
4173 | int (*cb) (X509_STORE_CTX *, void *), | |
4174 | void *arg) | |
4175 | { | |
4176 | ctx->app_verify_callback = cb; | |
4177 | ctx->app_verify_arg = arg; | |
4178 | } | |
4179 | ||
4180 | void SSL_CTX_set_verify(SSL_CTX *ctx, int mode, | |
4181 | int (*cb) (int, X509_STORE_CTX *)) | |
4182 | { | |
4183 | ctx->verify_mode = mode; | |
4184 | ctx->default_verify_callback = cb; | |
4185 | } | |
4186 | ||
4187 | void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth) | |
4188 | { | |
4189 | X509_VERIFY_PARAM_set_depth(ctx->param, depth); | |
4190 | } | |
4191 | ||
a230b26e | 4192 | void SSL_CTX_set_cert_cb(SSL_CTX *c, int (*cb) (SSL *ssl, void *arg), void *arg) |
0f113f3e MC |
4193 | { |
4194 | ssl_cert_set_cert_cb(c->cert, cb, arg); | |
4195 | } | |
4196 | ||
4197 | void SSL_set_cert_cb(SSL *s, int (*cb) (SSL *ssl, void *arg), void *arg) | |
4198 | { | |
38b051a1 TM |
4199 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4200 | ||
4201 | if (sc == NULL) | |
4202 | return; | |
4203 | ||
4204 | ssl_cert_set_cert_cb(sc->cert, cb, arg); | |
0f113f3e | 4205 | } |
18d71588 | 4206 | |
38b051a1 | 4207 | void ssl_set_masks(SSL_CONNECTION *s) |
0f113f3e | 4208 | { |
6383d316 | 4209 | CERT *c = s->cert; |
555cbb32 | 4210 | uint32_t *pvalid = s->s3.tmp.valid_flags; |
bc71f910 | 4211 | int rsa_enc, rsa_sign, dh_tmp, dsa_sign; |
361a1191 | 4212 | unsigned long mask_k, mask_a; |
361a1191 | 4213 | int have_ecc_cert, ecdsa_ok; |
462f4f4b | 4214 | |
0f113f3e MC |
4215 | if (c == NULL) |
4216 | return; | |
d02b48c6 | 4217 | |
13c45372 | 4218 | dh_tmp = (c->dh_tmp != NULL |
13c45372 | 4219 | || c->dh_tmp_cb != NULL |
13c45372 | 4220 | || c->dh_tmp_auto); |
d02b48c6 | 4221 | |
d0ff28f8 | 4222 | rsa_enc = pvalid[SSL_PKEY_RSA] & CERT_PKEY_VALID; |
38e8f3cd DSH |
4223 | rsa_sign = pvalid[SSL_PKEY_RSA] & CERT_PKEY_VALID; |
4224 | dsa_sign = pvalid[SSL_PKEY_DSA_SIGN] & CERT_PKEY_VALID; | |
6383d316 | 4225 | have_ecc_cert = pvalid[SSL_PKEY_ECC] & CERT_PKEY_VALID; |
0f113f3e MC |
4226 | mask_k = 0; |
4227 | mask_a = 0; | |
0e1dba93 | 4228 | |
77359d22 RL |
4229 | OSSL_TRACE4(TLS_CIPHER, "dh_tmp=%d rsa_enc=%d rsa_sign=%d dsa_sign=%d\n", |
4230 | dh_tmp, rsa_enc, rsa_sign, dsa_sign); | |
0f113f3e | 4231 | |
2a9b9654 | 4232 | #ifndef OPENSSL_NO_GOST |
4020c0b3 | 4233 | if (ssl_has_cert(s, SSL_PKEY_GOST12_512)) { |
5a5530a2 | 4234 | mask_k |= SSL_kGOST | SSL_kGOST18; |
e44380a9 DB |
4235 | mask_a |= SSL_aGOST12; |
4236 | } | |
4020c0b3 | 4237 | if (ssl_has_cert(s, SSL_PKEY_GOST12_256)) { |
5a5530a2 | 4238 | mask_k |= SSL_kGOST | SSL_kGOST18; |
e44380a9 DB |
4239 | mask_a |= SSL_aGOST12; |
4240 | } | |
4020c0b3 | 4241 | if (ssl_has_cert(s, SSL_PKEY_GOST01)) { |
0f113f3e MC |
4242 | mask_k |= SSL_kGOST; |
4243 | mask_a |= SSL_aGOST01; | |
4244 | } | |
2a9b9654 | 4245 | #endif |
0f113f3e | 4246 | |
361a1191 | 4247 | if (rsa_enc) |
0f113f3e | 4248 | mask_k |= SSL_kRSA; |
d02b48c6 | 4249 | |
0f113f3e MC |
4250 | if (dh_tmp) |
4251 | mask_k |= SSL_kDHE; | |
d02b48c6 | 4252 | |
6aaa29fb DSH |
4253 | /* |
4254 | * If we only have an RSA-PSS certificate allow RSA authentication | |
4255 | * if TLS 1.2 and peer supports it. | |
4256 | */ | |
4257 | ||
4258 | if (rsa_enc || rsa_sign || (ssl_has_cert(s, SSL_PKEY_RSA_PSS_SIGN) | |
4259 | && pvalid[SSL_PKEY_RSA_PSS_SIGN] & CERT_PKEY_EXPLICIT_SIGN | |
38b051a1 | 4260 | && TLS1_get_version(&s->ssl) == TLS1_2_VERSION)) |
0f113f3e | 4261 | mask_a |= SSL_aRSA; |
d02b48c6 | 4262 | |
0f113f3e MC |
4263 | if (dsa_sign) { |
4264 | mask_a |= SSL_aDSS; | |
0f113f3e | 4265 | } |
d02b48c6 | 4266 | |
0f113f3e | 4267 | mask_a |= SSL_aNULL; |
d02b48c6 | 4268 | |
0f113f3e MC |
4269 | /* |
4270 | * An ECC certificate may be usable for ECDH and/or ECDSA cipher suites | |
4271 | * depending on the key usage extension. | |
4272 | */ | |
0f113f3e | 4273 | if (have_ecc_cert) { |
a8d8e06b | 4274 | uint32_t ex_kusage; |
4020c0b3 | 4275 | ex_kusage = X509_get_key_usage(c->pkeys[SSL_PKEY_ECC].x509); |
a8d8e06b | 4276 | ecdsa_ok = ex_kusage & X509v3_KU_DIGITAL_SIGNATURE; |
6383d316 | 4277 | if (!(pvalid[SSL_PKEY_ECC] & CERT_PKEY_SIGN)) |
0f113f3e | 4278 | ecdsa_ok = 0; |
c7c46256 | 4279 | if (ecdsa_ok) |
0f113f3e | 4280 | mask_a |= SSL_aECDSA; |
0f113f3e | 4281 | } |
b2021556 DSH |
4282 | /* Allow Ed25519 for TLS 1.2 if peer supports it */ |
4283 | if (!(mask_a & SSL_aECDSA) && ssl_has_cert(s, SSL_PKEY_ED25519) | |
4284 | && pvalid[SSL_PKEY_ED25519] & CERT_PKEY_EXPLICIT_SIGN | |
38b051a1 | 4285 | && TLS1_get_version(&s->ssl) == TLS1_2_VERSION) |
b2021556 | 4286 | mask_a |= SSL_aECDSA; |
0e1d6ecf MC |
4287 | |
4288 | /* Allow Ed448 for TLS 1.2 if peer supports it */ | |
4289 | if (!(mask_a & SSL_aECDSA) && ssl_has_cert(s, SSL_PKEY_ED448) | |
4290 | && pvalid[SSL_PKEY_ED448] & CERT_PKEY_EXPLICIT_SIGN | |
38b051a1 | 4291 | && TLS1_get_version(&s->ssl) == TLS1_2_VERSION) |
0e1d6ecf | 4292 | mask_a |= SSL_aECDSA; |
ea262260 | 4293 | |
fe6ef247 | 4294 | mask_k |= SSL_kECDHE; |
ddac1974 NL |
4295 | |
4296 | #ifndef OPENSSL_NO_PSK | |
0f113f3e MC |
4297 | mask_k |= SSL_kPSK; |
4298 | mask_a |= SSL_aPSK; | |
526f94ad DSH |
4299 | if (mask_k & SSL_kRSA) |
4300 | mask_k |= SSL_kRSAPSK; | |
4301 | if (mask_k & SSL_kDHE) | |
4302 | mask_k |= SSL_kDHEPSK; | |
4303 | if (mask_k & SSL_kECDHE) | |
4304 | mask_k |= SSL_kECDHEPSK; | |
ddac1974 NL |
4305 | #endif |
4306 | ||
555cbb32 TS |
4307 | s->s3.tmp.mask_k = mask_k; |
4308 | s->s3.tmp.mask_a = mask_a; | |
0f113f3e | 4309 | } |
d02b48c6 | 4310 | |
38b051a1 | 4311 | int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL_CONNECTION *s) |
0f113f3e | 4312 | { |
555cbb32 | 4313 | if (s->s3.tmp.new_cipher->algorithm_auth & SSL_aECDSA) { |
0f113f3e | 4314 | /* key usage, if present, must allow signing */ |
ce0c1f2b | 4315 | if (!(X509_get_key_usage(x) & X509v3_KU_DIGITAL_SIGNATURE)) { |
6849b73c | 4316 | ERR_raise(ERR_LIB_SSL, SSL_R_ECC_CERT_NOT_FOR_SIGNING); |
0f113f3e MC |
4317 | return 0; |
4318 | } | |
4319 | } | |
0f113f3e MC |
4320 | return 1; /* all checks are ok */ |
4321 | } | |
ea262260 | 4322 | |
38b051a1 TM |
4323 | int ssl_get_server_cert_serverinfo(SSL_CONNECTION *s, |
4324 | const unsigned char **serverinfo, | |
0f113f3e MC |
4325 | size_t *serverinfo_length) |
4326 | { | |
555cbb32 | 4327 | CERT_PKEY *cpk = s->s3.tmp.cert; |
0f113f3e MC |
4328 | *serverinfo_length = 0; |
4329 | ||
a497cf25 | 4330 | if (cpk == NULL || cpk->serverinfo == NULL) |
0f113f3e MC |
4331 | return 0; |
4332 | ||
a497cf25 DSH |
4333 | *serverinfo = cpk->serverinfo; |
4334 | *serverinfo_length = cpk->serverinfo_length; | |
0f113f3e MC |
4335 | return 1; |
4336 | } | |
0f113f3e | 4337 | |
38b051a1 | 4338 | void ssl_update_cache(SSL_CONNECTION *s, int mode) |
0f113f3e MC |
4339 | { |
4340 | int i; | |
4341 | ||
4342 | /* | |
4343 | * If the session_id_length is 0, we are not supposed to cache it, and it | |
4344 | * would be rather hard to do anyway :-) | |
4345 | */ | |
4346 | if (s->session->session_id_length == 0) | |
4347 | return; | |
4348 | ||
d316cdcf BK |
4349 | /* |
4350 | * If sid_ctx_length is 0 there is no specific application context | |
4351 | * associated with this session, so when we try to resume it and | |
c4fa1f7f BK |
4352 | * SSL_VERIFY_PEER is requested to verify the client identity, we have no |
4353 | * indication that this is actually a session for the proper application | |
4354 | * context, and the *handshake* will fail, not just the resumption attempt. | |
4355 | * Do not cache (on the server) these sessions that are not resumable | |
4356 | * (clients can set SSL_VERIFY_PEER without needing a sid_ctx set). | |
d316cdcf | 4357 | */ |
c4fa1f7f | 4358 | if (s->server && s->session->sid_ctx_length == 0 |
d316cdcf BK |
4359 | && (s->verify_mode & SSL_VERIFY_PEER) != 0) |
4360 | return; | |
4361 | ||
0f113f3e | 4362 | i = s->session_ctx->session_cache_mode; |
5d61491c | 4363 | if ((i & mode) != 0 |
38b051a1 | 4364 | && (!s->hit || SSL_CONNECTION_IS_TLS13(s))) { |
ee94ec2e MC |
4365 | /* |
4366 | * Add the session to the internal cache. In server side TLSv1.3 we | |
6cc0b3c2 MC |
4367 | * normally don't do this because by default it's a full stateless ticket |
4368 | * with only a dummy session id so there is no reason to cache it, | |
4369 | * unless: | |
ee94ec2e MC |
4370 | * - we are doing early_data, in which case we cache so that we can |
4371 | * detect replays | |
4372 | * - the application has set a remove_session_cb so needs to know about | |
4373 | * session timeout events | |
6cc0b3c2 | 4374 | * - SSL_OP_NO_TICKET is set in which case it is a stateful ticket |
ee94ec2e MC |
4375 | */ |
4376 | if ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE) == 0 | |
38b051a1 | 4377 | && (!SSL_CONNECTION_IS_TLS13(s) |
ee94ec2e | 4378 | || !s->server |
5d263fb7 MC |
4379 | || (s->max_early_data > 0 |
4380 | && (s->options & SSL_OP_NO_ANTI_REPLAY) == 0) | |
6cc0b3c2 MC |
4381 | || s->session_ctx->remove_session_cb != NULL |
4382 | || (s->options & SSL_OP_NO_TICKET) != 0)) | |
ee94ec2e MC |
4383 | SSL_CTX_add_session(s->session_ctx, s->session); |
4384 | ||
4385 | /* | |
4386 | * Add the session to the external cache. We do this even in server side | |
4387 | * TLSv1.3 without early data because some applications just want to | |
4388 | * know about the creation of a session and aren't doing a full cache. | |
4389 | */ | |
4390 | if (s->session_ctx->new_session_cb != NULL) { | |
4391 | SSL_SESSION_up_ref(s->session); | |
38b051a1 TM |
4392 | if (!s->session_ctx->new_session_cb(SSL_CONNECTION_GET_SSL(s), |
4393 | s->session)) | |
ee94ec2e MC |
4394 | SSL_SESSION_free(s->session); |
4395 | } | |
0f113f3e MC |
4396 | } |
4397 | ||
4398 | /* auto flush every 255 connections */ | |
4399 | if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) && ((i & mode) == mode)) { | |
9ef9088c | 4400 | TSAN_QUALIFIER int *stat; |
acce0557 | 4401 | |
1fcb4e4d BK |
4402 | if (mode & SSL_SESS_CACHE_CLIENT) |
4403 | stat = &s->session_ctx->stats.sess_connect_good; | |
4404 | else | |
4405 | stat = &s->session_ctx->stats.sess_accept_good; | |
acce0557 | 4406 | if ((ssl_tsan_load(s->session_ctx, stat) & 0xff) == 0xff) |
0f113f3e | 4407 | SSL_CTX_flush_sessions(s->session_ctx, (unsigned long)time(NULL)); |
0f113f3e MC |
4408 | } |
4409 | } | |
d02b48c6 | 4410 | |
3499327b | 4411 | const SSL_METHOD *SSL_CTX_get_ssl_method(const SSL_CTX *ctx) |
0f113f3e MC |
4412 | { |
4413 | return ctx->method; | |
4414 | } | |
ba168244 | 4415 | |
3499327b | 4416 | const SSL_METHOD *SSL_get_ssl_method(const SSL *s) |
0f113f3e | 4417 | { |
26a7d938 | 4418 | return s->method; |
0f113f3e | 4419 | } |
d02b48c6 | 4420 | |
4ebb342f | 4421 | int SSL_set_ssl_method(SSL *s, const SSL_METHOD *meth) |
0f113f3e | 4422 | { |
0f113f3e | 4423 | int ret = 1; |
38b051a1 TM |
4424 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4425 | ||
4426 | /* TODO(QUIC): Do we want this for QUIC? */ | |
4427 | if (sc == NULL | |
4428 | || (s->type != SSL_TYPE_SSL_CONNECTION && s->method != meth)) | |
4429 | return 0; | |
0f113f3e MC |
4430 | |
4431 | if (s->method != meth) { | |
919ba009 | 4432 | const SSL_METHOD *sm = s->method; |
38b051a1 | 4433 | int (*hf) (SSL *) = sc->handshake_func; |
0f113f3e | 4434 | |
919ba009 | 4435 | if (sm->version == meth->version) |
0f113f3e MC |
4436 | s->method = meth; |
4437 | else { | |
38b051a1 | 4438 | sm->ssl_deinit(s); |
0f113f3e | 4439 | s->method = meth; |
38b051a1 | 4440 | ret = s->method->ssl_init(s); |
0f113f3e MC |
4441 | } |
4442 | ||
919ba009 | 4443 | if (hf == sm->ssl_connect) |
38b051a1 | 4444 | sc->handshake_func = meth->ssl_connect; |
919ba009 | 4445 | else if (hf == sm->ssl_accept) |
38b051a1 | 4446 | sc->handshake_func = meth->ssl_accept; |
0f113f3e | 4447 | } |
26a7d938 | 4448 | return ret; |
0f113f3e MC |
4449 | } |
4450 | ||
4451 | int SSL_get_error(const SSL *s, int i) | |
4452 | { | |
4453 | int reason; | |
4454 | unsigned long l; | |
4455 | BIO *bio; | |
38b051a1 | 4456 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
03bacce8 HL |
4457 | #ifndef OPENSSL_NO_QUIC |
4458 | const QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_CONST_SSL(s); | |
4459 | #endif | |
0f113f3e MC |
4460 | |
4461 | if (i > 0) | |
26a7d938 | 4462 | return SSL_ERROR_NONE; |
0f113f3e | 4463 | |
e30c502a HL |
4464 | #ifndef OPENSSL_NO_QUIC |
4465 | if (qc != NULL) { | |
4466 | reason = ossl_quic_get_error(qc, i); | |
4467 | if (reason != SSL_ERROR_NONE) | |
4468 | return reason; | |
4469 | } | |
4470 | #endif | |
4471 | ||
38b051a1 TM |
4472 | if (sc == NULL) |
4473 | return SSL_ERROR_SSL; | |
4474 | ||
0f113f3e MC |
4475 | /* |
4476 | * Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake etc, | |
4477 | * where we do encode the error | |
4478 | */ | |
4479 | if ((l = ERR_peek_error()) != 0) { | |
4480 | if (ERR_GET_LIB(l) == ERR_LIB_SYS) | |
26a7d938 | 4481 | return SSL_ERROR_SYSCALL; |
0f113f3e | 4482 | else |
26a7d938 | 4483 | return SSL_ERROR_SSL; |
0f113f3e MC |
4484 | } |
4485 | ||
03bacce8 HL |
4486 | #ifndef OPENSSL_NO_QUIC |
4487 | if (qc == NULL) | |
4488 | #endif | |
4489 | { | |
4490 | if (SSL_want_read(s)) { | |
4491 | bio = SSL_get_rbio(s); | |
4492 | if (BIO_should_read(bio)) | |
4493 | return SSL_ERROR_WANT_READ; | |
4494 | else if (BIO_should_write(bio)) | |
4495 | /* | |
4496 | * This one doesn't make too much sense ... We never try to | |
4497 | * write to the rbio, and an application program where rbio and | |
4498 | * wbio are separate couldn't even know what it should wait for. | |
4499 | * However if we ever set s->rwstate incorrectly (so that we | |
4500 | * have SSL_want_read(s) instead of SSL_want_write(s)) and rbio | |
4501 | * and wbio *are* the same, this test works around that bug; so | |
4502 | * it might be safer to keep it. | |
4503 | */ | |
4504 | return SSL_ERROR_WANT_WRITE; | |
4505 | else if (BIO_should_io_special(bio)) { | |
4506 | reason = BIO_get_retry_reason(bio); | |
4507 | if (reason == BIO_RR_CONNECT) | |
4508 | return SSL_ERROR_WANT_CONNECT; | |
4509 | else if (reason == BIO_RR_ACCEPT) | |
4510 | return SSL_ERROR_WANT_ACCEPT; | |
4511 | else | |
4512 | return SSL_ERROR_SYSCALL; /* unknown */ | |
4513 | } | |
4514 | } | |
4515 | ||
4516 | if (SSL_want_write(s)) { | |
2e7dc7cd | 4517 | /* |
03bacce8 HL |
4518 | * Access wbio directly - in order to use the buffered bio if |
4519 | * present | |
2e7dc7cd | 4520 | */ |
03bacce8 HL |
4521 | bio = sc->wbio; |
4522 | if (BIO_should_write(bio)) | |
4523 | return SSL_ERROR_WANT_WRITE; | |
4524 | else if (BIO_should_read(bio)) | |
4525 | /* | |
4526 | * See above (SSL_want_read(s) with BIO_should_write(bio)) | |
4527 | */ | |
4528 | return SSL_ERROR_WANT_READ; | |
4529 | else if (BIO_should_io_special(bio)) { | |
4530 | reason = BIO_get_retry_reason(bio); | |
4531 | if (reason == BIO_RR_CONNECT) | |
4532 | return SSL_ERROR_WANT_CONNECT; | |
4533 | else if (reason == BIO_RR_ACCEPT) | |
4534 | return SSL_ERROR_WANT_ACCEPT; | |
4535 | else | |
4536 | return SSL_ERROR_SYSCALL; | |
4537 | } | |
0f113f3e | 4538 | } |
07bbc92c | 4539 | } |
03bacce8 | 4540 | |
6b1bb98f | 4541 | if (SSL_want_x509_lookup(s)) |
26a7d938 | 4542 | return SSL_ERROR_WANT_X509_LOOKUP; |
0c3eb279 DDO |
4543 | if (SSL_want_retry_verify(s)) |
4544 | return SSL_ERROR_WANT_RETRY_VERIFY; | |
6b1bb98f | 4545 | if (SSL_want_async(s)) |
8051ab2b | 4546 | return SSL_ERROR_WANT_ASYNC; |
6b1bb98f | 4547 | if (SSL_want_async_job(s)) |
8051ab2b | 4548 | return SSL_ERROR_WANT_ASYNC_JOB; |
a9c0d8be DB |
4549 | if (SSL_want_client_hello_cb(s)) |
4550 | return SSL_ERROR_WANT_CLIENT_HELLO_CB; | |
8051ab2b | 4551 | |
38b051a1 TM |
4552 | if ((sc->shutdown & SSL_RECEIVED_SHUTDOWN) && |
4553 | (sc->s3.warn_alert == SSL_AD_CLOSE_NOTIFY)) | |
26a7d938 | 4554 | return SSL_ERROR_ZERO_RETURN; |
8051ab2b | 4555 | |
26a7d938 | 4556 | return SSL_ERROR_SYSCALL; |
0f113f3e | 4557 | } |
d02b48c6 | 4558 | |
add2f5ca MC |
4559 | static int ssl_do_handshake_intern(void *vargs) |
4560 | { | |
38b051a1 TM |
4561 | struct ssl_async_args *args = (struct ssl_async_args *)vargs; |
4562 | SSL *s = args->s; | |
4563 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); | |
add2f5ca | 4564 | |
38b051a1 TM |
4565 | if (sc == NULL) |
4566 | return -1; | |
add2f5ca | 4567 | |
38b051a1 | 4568 | return sc->handshake_func(s); |
add2f5ca MC |
4569 | } |
4570 | ||
4f43d0e7 | 4571 | int SSL_do_handshake(SSL *s) |
0f113f3e MC |
4572 | { |
4573 | int ret = 1; | |
38b051a1 | 4574 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
03bacce8 HL |
4575 | #ifndef OPENSSL_NO_QUIC |
4576 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); | |
38b051a1 | 4577 | |
03bacce8 HL |
4578 | if (qc != NULL) |
4579 | return ossl_quic_do_handshake(qc); | |
4580 | #endif | |
0f113f3e | 4581 | |
38b051a1 | 4582 | if (sc->handshake_func == NULL) { |
6849b73c | 4583 | ERR_raise(ERR_LIB_SSL, SSL_R_CONNECTION_TYPE_NOT_SET); |
add2f5ca | 4584 | return -1; |
0f113f3e MC |
4585 | } |
4586 | ||
38b051a1 | 4587 | ossl_statem_check_finish_init(sc, -1); |
49e7fe12 | 4588 | |
c7f47786 | 4589 | s->method->ssl_renegotiate_check(s, 0); |
0f113f3e MC |
4590 | |
4591 | if (SSL_in_init(s) || SSL_in_before(s)) { | |
38b051a1 | 4592 | if ((sc->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
add2f5ca MC |
4593 | struct ssl_async_args args; |
4594 | ||
09134f18 | 4595 | memset(&args, 0, sizeof(args)); |
add2f5ca MC |
4596 | args.s = s; |
4597 | ||
7fecbf6f | 4598 | ret = ssl_start_async_job(s, &args, ssl_do_handshake_intern); |
add2f5ca | 4599 | } else { |
38b051a1 | 4600 | ret = sc->handshake_func(s); |
add2f5ca | 4601 | } |
0f113f3e | 4602 | } |
add2f5ca | 4603 | return ret; |
0f113f3e MC |
4604 | } |
4605 | ||
4f43d0e7 | 4606 | void SSL_set_accept_state(SSL *s) |
0f113f3e | 4607 | { |
03bacce8 HL |
4608 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
4609 | #ifndef OPENSSL_NO_QUIC | |
4610 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); | |
38b051a1 | 4611 | |
03bacce8 HL |
4612 | if (qc != NULL) { |
4613 | ossl_quic_set_accept_state(qc); | |
38b051a1 | 4614 | return; |
03bacce8 HL |
4615 | } |
4616 | #endif | |
38b051a1 TM |
4617 | |
4618 | sc->server = 1; | |
4619 | sc->shutdown = 0; | |
4620 | ossl_statem_clear(sc); | |
4621 | sc->handshake_func = s->method->ssl_accept; | |
6d814fd6 MC |
4622 | /* Ignore return value. Its a void public API function */ |
4623 | clear_record_layer(sc); | |
0f113f3e | 4624 | } |
d02b48c6 | 4625 | |
4f43d0e7 | 4626 | void SSL_set_connect_state(SSL *s) |
0f113f3e | 4627 | { |
03bacce8 HL |
4628 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
4629 | #ifndef OPENSSL_NO_QUIC | |
4630 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); | |
38b051a1 | 4631 | |
03bacce8 HL |
4632 | if (qc != NULL) { |
4633 | ossl_quic_set_connect_state(qc); | |
38b051a1 | 4634 | return; |
03bacce8 HL |
4635 | } |
4636 | #endif | |
38b051a1 TM |
4637 | |
4638 | sc->server = 0; | |
4639 | sc->shutdown = 0; | |
4640 | ossl_statem_clear(sc); | |
4641 | sc->handshake_func = s->method->ssl_connect; | |
6d814fd6 MC |
4642 | /* Ignore return value. Its a void public API function */ |
4643 | clear_record_layer(sc); | |
0f113f3e | 4644 | } |
d02b48c6 | 4645 | |
4f43d0e7 | 4646 | int ssl_undefined_function(SSL *s) |
0f113f3e | 4647 | { |
6849b73c | 4648 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
26a7d938 | 4649 | return 0; |
0f113f3e | 4650 | } |
d02b48c6 | 4651 | |
41a15c4f | 4652 | int ssl_undefined_void_function(void) |
0f113f3e | 4653 | { |
6849b73c | 4654 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
26a7d938 | 4655 | return 0; |
0f113f3e | 4656 | } |
41a15c4f | 4657 | |
0821bcd4 | 4658 | int ssl_undefined_const_function(const SSL *s) |
0f113f3e | 4659 | { |
26a7d938 | 4660 | return 0; |
0f113f3e | 4661 | } |
0821bcd4 | 4662 | |
2b8fa1d5 | 4663 | const SSL_METHOD *ssl_bad_method(int ver) |
0f113f3e | 4664 | { |
6849b73c | 4665 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
26a7d938 | 4666 | return NULL; |
0f113f3e | 4667 | } |
d02b48c6 | 4668 | |
3eb2aff4 | 4669 | const char *ssl_protocol_to_string(int version) |
7d650072 | 4670 | { |
1287dabd | 4671 | switch (version) |
2abacef1 MC |
4672 | { |
4673 | case TLS1_3_VERSION: | |
582a17d6 | 4674 | return "TLSv1.3"; |
2abacef1 MC |
4675 | |
4676 | case TLS1_2_VERSION: | |
7d650072 | 4677 | return "TLSv1.2"; |
2abacef1 MC |
4678 | |
4679 | case TLS1_1_VERSION: | |
7d650072 | 4680 | return "TLSv1.1"; |
2abacef1 MC |
4681 | |
4682 | case TLS1_VERSION: | |
ee3a6c64 | 4683 | return "TLSv1"; |
2abacef1 MC |
4684 | |
4685 | case SSL3_VERSION: | |
7d650072 | 4686 | return "SSLv3"; |
2abacef1 MC |
4687 | |
4688 | case DTLS1_BAD_VER: | |
7d650072 | 4689 | return "DTLSv0.9"; |
2abacef1 MC |
4690 | |
4691 | case DTLS1_VERSION: | |
7d650072 | 4692 | return "DTLSv1"; |
2abacef1 MC |
4693 | |
4694 | case DTLS1_2_VERSION: | |
7d650072 | 4695 | return "DTLSv1.2"; |
2abacef1 MC |
4696 | |
4697 | default: | |
4698 | return "unknown"; | |
4699 | } | |
0f113f3e | 4700 | } |
d02b48c6 | 4701 | |
7d650072 KR |
4702 | const char *SSL_get_version(const SSL *s) |
4703 | { | |
38b051a1 TM |
4704 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
4705 | ||
38b051a1 TM |
4706 | if (sc == NULL) |
4707 | return NULL; | |
4708 | ||
4709 | return ssl_protocol_to_string(sc->version); | |
7d650072 KR |
4710 | } |
4711 | ||
98732979 | 4712 | static int dup_ca_names(STACK_OF(X509_NAME) **dst, STACK_OF(X509_NAME) *src) |
0f113f3e MC |
4713 | { |
4714 | STACK_OF(X509_NAME) *sk; | |
4715 | X509_NAME *xn; | |
98732979 MC |
4716 | int i; |
4717 | ||
4718 | if (src == NULL) { | |
4719 | *dst = NULL; | |
4720 | return 1; | |
4721 | } | |
4722 | ||
4723 | if ((sk = sk_X509_NAME_new_null()) == NULL) | |
4724 | return 0; | |
4725 | for (i = 0; i < sk_X509_NAME_num(src); i++) { | |
4726 | xn = X509_NAME_dup(sk_X509_NAME_value(src, i)); | |
4727 | if (xn == NULL) { | |
4728 | sk_X509_NAME_pop_free(sk, X509_NAME_free); | |
4729 | return 0; | |
4730 | } | |
4731 | if (sk_X509_NAME_insert(sk, xn, i) == 0) { | |
4732 | X509_NAME_free(xn); | |
4733 | sk_X509_NAME_pop_free(sk, X509_NAME_free); | |
4734 | return 0; | |
4735 | } | |
4736 | } | |
4737 | *dst = sk; | |
4738 | ||
4739 | return 1; | |
4740 | } | |
4741 | ||
4742 | SSL *SSL_dup(SSL *s) | |
4743 | { | |
0f113f3e MC |
4744 | SSL *ret; |
4745 | int i; | |
38b051a1 TM |
4746 | /* TODO(QUIC): Add a SSL_METHOD function for duplication */ |
4747 | SSL_CONNECTION *retsc; | |
4748 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); | |
4749 | ||
4750 | if (sc == NULL) | |
4751 | return NULL; | |
0f113f3e | 4752 | |
919ba009 VD |
4753 | /* If we're not quiescent, just up_ref! */ |
4754 | if (!SSL_in_init(s) || !SSL_in_before(s)) { | |
2f545ae4 | 4755 | CRYPTO_UP_REF(&s->references, &i, s->lock); |
919ba009 VD |
4756 | return s; |
4757 | } | |
4758 | ||
4759 | /* | |
4760 | * Otherwise, copy configuration state, and session if set. | |
4761 | */ | |
0f113f3e | 4762 | if ((ret = SSL_new(SSL_get_SSL_CTX(s))) == NULL) |
26a7d938 | 4763 | return NULL; |
38b051a1 TM |
4764 | if ((retsc = SSL_CONNECTION_FROM_SSL_ONLY(ret)) == NULL) |
4765 | goto err; | |
0f113f3e | 4766 | |
38b051a1 | 4767 | if (sc->session != NULL) { |
919ba009 VD |
4768 | /* |
4769 | * Arranges to share the same session via up_ref. This "copies" | |
4770 | * session-id, SSL_METHOD, sid_ctx, and 'cert' | |
4771 | */ | |
61986d32 | 4772 | if (!SSL_copy_session_id(ret, s)) |
17dd65e6 | 4773 | goto err; |
0f113f3e MC |
4774 | } else { |
4775 | /* | |
4776 | * No session has been established yet, so we have to expect that | |
4777 | * s->cert or ret->cert will be changed later -- they should not both | |
4778 | * point to the same object, and thus we can't use | |
4779 | * SSL_copy_session_id. | |
4780 | */ | |
919ba009 VD |
4781 | if (!SSL_set_ssl_method(ret, s->method)) |
4782 | goto err; | |
0f113f3e | 4783 | |
38b051a1 TM |
4784 | if (sc->cert != NULL) { |
4785 | ssl_cert_free(retsc->cert); | |
4786 | retsc->cert = ssl_cert_dup(sc->cert); | |
4787 | if (retsc->cert == NULL) | |
0f113f3e MC |
4788 | goto err; |
4789 | } | |
4790 | ||
38b051a1 TM |
4791 | if (!SSL_set_session_id_context(ret, sc->sid_ctx, |
4792 | (int)sc->sid_ctx_length)) | |
69f68237 | 4793 | goto err; |
0f113f3e MC |
4794 | } |
4795 | ||
38b051a1 | 4796 | if (!ssl_dane_dup(retsc, sc)) |
9f6b22b8 | 4797 | goto err; |
38b051a1 TM |
4798 | retsc->version = sc->version; |
4799 | retsc->options = sc->options; | |
4800 | retsc->min_proto_version = sc->min_proto_version; | |
4801 | retsc->max_proto_version = sc->max_proto_version; | |
4802 | retsc->mode = sc->mode; | |
0f113f3e MC |
4803 | SSL_set_max_cert_list(ret, SSL_get_max_cert_list(s)); |
4804 | SSL_set_read_ahead(ret, SSL_get_read_ahead(s)); | |
38b051a1 TM |
4805 | retsc->msg_callback = sc->msg_callback; |
4806 | retsc->msg_callback_arg = sc->msg_callback_arg; | |
0f113f3e MC |
4807 | SSL_set_verify(ret, SSL_get_verify_mode(s), SSL_get_verify_callback(s)); |
4808 | SSL_set_verify_depth(ret, SSL_get_verify_depth(s)); | |
38b051a1 | 4809 | retsc->generate_session_id = sc->generate_session_id; |
0f113f3e MC |
4810 | |
4811 | SSL_set_info_callback(ret, SSL_get_info_callback(s)); | |
4812 | ||
0f113f3e MC |
4813 | /* copy app data, a little dangerous perhaps */ |
4814 | if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data)) | |
4815 | goto err; | |
4816 | ||
38b051a1 TM |
4817 | retsc->server = sc->server; |
4818 | if (sc->handshake_func) { | |
4819 | if (sc->server) | |
919ba009 VD |
4820 | SSL_set_accept_state(ret); |
4821 | else | |
4822 | SSL_set_connect_state(ret); | |
4823 | } | |
38b051a1 TM |
4824 | retsc->shutdown = sc->shutdown; |
4825 | retsc->hit = sc->hit; | |
0f113f3e | 4826 | |
38b051a1 TM |
4827 | retsc->default_passwd_callback = sc->default_passwd_callback; |
4828 | retsc->default_passwd_callback_userdata = sc->default_passwd_callback_userdata; | |
a974e64a | 4829 | |
38b051a1 | 4830 | X509_VERIFY_PARAM_inherit(retsc->param, sc->param); |
0f113f3e MC |
4831 | |
4832 | /* dup the cipher_list and cipher_list_by_id stacks */ | |
38b051a1 TM |
4833 | if (sc->cipher_list != NULL) { |
4834 | if ((retsc->cipher_list = sk_SSL_CIPHER_dup(sc->cipher_list)) == NULL) | |
0f113f3e MC |
4835 | goto err; |
4836 | } | |
38b051a1 TM |
4837 | if (sc->cipher_list_by_id != NULL) |
4838 | if ((retsc->cipher_list_by_id = sk_SSL_CIPHER_dup(sc->cipher_list_by_id)) | |
0f113f3e MC |
4839 | == NULL) |
4840 | goto err; | |
4841 | ||
4842 | /* Dup the client_CA list */ | |
38b051a1 TM |
4843 | if (!dup_ca_names(&retsc->ca_names, sc->ca_names) |
4844 | || !dup_ca_names(&retsc->client_ca_names, sc->client_ca_names)) | |
98732979 MC |
4845 | goto err; |
4846 | ||
66696478 | 4847 | return ret; |
0f113f3e | 4848 | |
0f113f3e | 4849 | err: |
66696478 RS |
4850 | SSL_free(ret); |
4851 | return NULL; | |
0f113f3e | 4852 | } |
d02b48c6 | 4853 | |
0821bcd4 | 4854 | X509 *SSL_get_certificate(const SSL *s) |
0f113f3e | 4855 | { |
38b051a1 TM |
4856 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4857 | ||
4858 | if (sc == NULL) | |
4859 | return NULL; | |
4860 | ||
4861 | if (sc->cert != NULL) | |
4862 | return sc->cert->key->x509; | |
0f113f3e | 4863 | else |
26a7d938 | 4864 | return NULL; |
0f113f3e | 4865 | } |
d02b48c6 | 4866 | |
a25f9adc | 4867 | EVP_PKEY *SSL_get_privatekey(const SSL *s) |
0f113f3e | 4868 | { |
38b051a1 TM |
4869 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
4870 | ||
4871 | if (sc == NULL) | |
4872 | return NULL; | |
4873 | ||
4874 | if (sc->cert != NULL) | |
4875 | return sc->cert->key->privatekey; | |
0f113f3e | 4876 | else |
26a7d938 | 4877 | return NULL; |
0f113f3e | 4878 | } |
d02b48c6 | 4879 | |
a25f9adc | 4880 | X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx) |
0f113f3e MC |
4881 | { |
4882 | if (ctx->cert != NULL) | |
4883 | return ctx->cert->key->x509; | |
4884 | else | |
4885 | return NULL; | |
4886 | } | |
a25f9adc DSH |
4887 | |
4888 | EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx) | |
0f113f3e MC |
4889 | { |
4890 | if (ctx->cert != NULL) | |
4891 | return ctx->cert->key->privatekey; | |
4892 | else | |
4893 | return NULL; | |
4894 | } | |
a25f9adc | 4895 | |
babb3798 | 4896 | const SSL_CIPHER *SSL_get_current_cipher(const SSL *s) |
0f113f3e | 4897 | { |
38b051a1 TM |
4898 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
4899 | ||
4900 | if (sc == NULL) | |
4901 | return NULL; | |
4902 | ||
4903 | if ((sc->session != NULL) && (sc->session->cipher != NULL)) | |
4904 | return sc->session->cipher; | |
26a7d938 | 4905 | return NULL; |
0f113f3e MC |
4906 | } |
4907 | ||
0aed6e44 BK |
4908 | const SSL_CIPHER *SSL_get_pending_cipher(const SSL *s) |
4909 | { | |
38b051a1 TM |
4910 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
4911 | ||
4912 | if (sc == NULL) | |
4913 | return NULL; | |
4914 | ||
4915 | return sc->s3.tmp.new_cipher; | |
0aed6e44 BK |
4916 | } |
4917 | ||
3499327b | 4918 | const COMP_METHOD *SSL_get_current_compression(const SSL *s) |
0f113f3e | 4919 | { |
9a555706 | 4920 | #ifndef OPENSSL_NO_COMP |
38b051a1 TM |
4921 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(s); |
4922 | ||
4923 | if (sc == NULL) | |
4924 | return NULL; | |
4925 | ||
1e76110b | 4926 | return sc->rlayer.wrlmethod->get_compression(sc->rlayer.wrl); |
9a555706 RS |
4927 | #else |
4928 | return NULL; | |
4929 | #endif | |
0f113f3e | 4930 | } |
377dcdba | 4931 | |
3499327b | 4932 | const COMP_METHOD *SSL_get_current_expansion(const SSL *s) |
0f113f3e | 4933 | { |
9a555706 | 4934 | #ifndef OPENSSL_NO_COMP |
38b051a1 TM |
4935 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(s); |
4936 | ||
4937 | if (sc == NULL) | |
4938 | return NULL; | |
4939 | ||
1e76110b | 4940 | return sc->rlayer.rrlmethod->get_compression(sc->rlayer.rrl); |
9a555706 RS |
4941 | #else |
4942 | return NULL; | |
0f113f3e | 4943 | #endif |
9a555706 | 4944 | } |
0f113f3e | 4945 | |
38b051a1 | 4946 | int ssl_init_wbio_buffer(SSL_CONNECTION *s) |
0f113f3e MC |
4947 | { |
4948 | BIO *bbio; | |
4949 | ||
2e7dc7cd MC |
4950 | if (s->bbio != NULL) { |
4951 | /* Already buffered. */ | |
4952 | return 1; | |
0f113f3e | 4953 | } |
46417569 | 4954 | |
2e7dc7cd | 4955 | bbio = BIO_new(BIO_f_buffer()); |
25d02f33 | 4956 | if (bbio == NULL || BIO_set_read_buffer_size(bbio, 1) <= 0) { |
2e7dc7cd | 4957 | BIO_free(bbio); |
6849b73c | 4958 | ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB); |
46417569 | 4959 | return 0; |
0f113f3e | 4960 | } |
2e7dc7cd MC |
4961 | s->bbio = bbio; |
4962 | s->wbio = BIO_push(bbio, s->wbio); | |
46417569 | 4963 | |
b5cf81f7 MC |
4964 | s->rlayer.wrlmethod->set1_bio(s->rlayer.wrl, s->wbio); |
4965 | ||
46417569 | 4966 | return 1; |
0f113f3e | 4967 | } |
413c4f45 | 4968 | |
38b051a1 | 4969 | int ssl_free_wbio_buffer(SSL_CONNECTION *s) |
0f113f3e | 4970 | { |
62adbcee | 4971 | /* callers ensure s is never null */ |
0f113f3e | 4972 | if (s->bbio == NULL) |
b77f3ed1 | 4973 | return 1; |
0f113f3e | 4974 | |
2e7dc7cd | 4975 | s->wbio = BIO_pop(s->wbio); |
b5cf81f7 MC |
4976 | s->rlayer.wrlmethod->set1_bio(s->rlayer.wrl, s->wbio); |
4977 | ||
0f113f3e MC |
4978 | BIO_free(s->bbio); |
4979 | s->bbio = NULL; | |
b77f3ed1 MC |
4980 | |
4981 | return 1; | |
0f113f3e MC |
4982 | } |
4983 | ||
4984 | void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode) | |
4985 | { | |
4986 | ctx->quiet_shutdown = mode; | |
4987 | } | |
58964a49 | 4988 | |
0821bcd4 | 4989 | int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx) |
0f113f3e | 4990 | { |
26a7d938 | 4991 | return ctx->quiet_shutdown; |
0f113f3e | 4992 | } |
58964a49 | 4993 | |
0f113f3e MC |
4994 | void SSL_set_quiet_shutdown(SSL *s, int mode) |
4995 | { | |
38b051a1 TM |
4996 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
4997 | ||
4998 | /* TODO(QUIC): Do we want this for QUIC? */ | |
4999 | if (sc == NULL) | |
5000 | return; | |
5001 | ||
5002 | sc->quiet_shutdown = mode; | |
0f113f3e | 5003 | } |
58964a49 | 5004 | |
0821bcd4 | 5005 | int SSL_get_quiet_shutdown(const SSL *s) |
0f113f3e | 5006 | { |
38b051a1 TM |
5007 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(s); |
5008 | ||
5009 | /* TODO(QUIC): Do we want this for QUIC? */ | |
5010 | if (sc == NULL) | |
5011 | return 0; | |
5012 | ||
5013 | return sc->quiet_shutdown; | |
0f113f3e | 5014 | } |
58964a49 | 5015 | |
0f113f3e MC |
5016 | void SSL_set_shutdown(SSL *s, int mode) |
5017 | { | |
38b051a1 TM |
5018 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s); |
5019 | ||
5020 | /* TODO(QUIC): Do we want this for QUIC? */ | |
5021 | if (sc == NULL) | |
5022 | return; | |
5023 | ||
5024 | sc->shutdown = mode; | |
0f113f3e | 5025 | } |
58964a49 | 5026 | |
0821bcd4 | 5027 | int SSL_get_shutdown(const SSL *s) |
0f113f3e | 5028 | { |
38b051a1 TM |
5029 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(s); |
5030 | ||
5031 | /* TODO(QUIC): Do we want this for QUIC? */ | |
5032 | if (sc == NULL) | |
5033 | return 0; | |
5034 | ||
5035 | return sc->shutdown; | |
0f113f3e | 5036 | } |
58964a49 | 5037 | |
0821bcd4 | 5038 | int SSL_version(const SSL *s) |
0f113f3e | 5039 | { |
38b051a1 TM |
5040 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5041 | ||
5042 | /* TODO(QUIC): Do we want to report QUIC version this way instead? */ | |
5043 | if (sc == NULL) | |
5044 | return 0; | |
5045 | ||
5046 | return sc->version; | |
6546e9b2 AG |
5047 | } |
5048 | ||
5049 | int SSL_client_version(const SSL *s) | |
5050 | { | |
38b051a1 TM |
5051 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5052 | ||
5053 | /* TODO(QUIC): Do we want to report QUIC version this way instead? */ | |
5054 | if (sc == NULL) | |
5055 | return 0; | |
5056 | ||
5057 | return sc->client_version; | |
0f113f3e | 5058 | } |
58964a49 | 5059 | |
0821bcd4 | 5060 | SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl) |
0f113f3e | 5061 | { |
6546e9b2 | 5062 | return ssl->ctx; |
0f113f3e MC |
5063 | } |
5064 | ||
5065 | SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx) | |
5066 | { | |
24a0d393 | 5067 | CERT *new_cert; |
38b051a1 TM |
5068 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(ssl); |
5069 | ||
5070 | /* TODO(QUIC): Do we need this for QUIC support? */ | |
5071 | if (sc == NULL) | |
5072 | return NULL; | |
5073 | ||
0f113f3e MC |
5074 | if (ssl->ctx == ctx) |
5075 | return ssl->ctx; | |
0f113f3e | 5076 | if (ctx == NULL) |
38b051a1 | 5077 | ctx = sc->session_ctx; |
24a0d393 KR |
5078 | new_cert = ssl_cert_dup(ctx->cert); |
5079 | if (new_cert == NULL) { | |
5080 | return NULL; | |
0f113f3e | 5081 | } |
21181889 | 5082 | |
38b051a1 | 5083 | if (!custom_exts_copy_flags(&new_cert->custext, &sc->cert->custext)) { |
21181889 MC |
5084 | ssl_cert_free(new_cert); |
5085 | return NULL; | |
5086 | } | |
5087 | ||
38b051a1 TM |
5088 | ssl_cert_free(sc->cert); |
5089 | sc->cert = new_cert; | |
0f113f3e MC |
5090 | |
5091 | /* | |
5092 | * Program invariant: |sid_ctx| has fixed size (SSL_MAX_SID_CTX_LENGTH), | |
5093 | * so setter APIs must prevent invalid lengths from entering the system. | |
5094 | */ | |
38b051a1 | 5095 | if (!ossl_assert(sc->sid_ctx_length <= sizeof(sc->sid_ctx))) |
380a522f | 5096 | return NULL; |
0f113f3e MC |
5097 | |
5098 | /* | |
5099 | * If the session ID context matches that of the parent SSL_CTX, | |
5100 | * inherit it from the new SSL_CTX as well. If however the context does | |
5101 | * not match (i.e., it was set per-ssl with SSL_set_session_id_context), | |
5102 | * leave it unchanged. | |
5103 | */ | |
5104 | if ((ssl->ctx != NULL) && | |
38b051a1 TM |
5105 | (sc->sid_ctx_length == ssl->ctx->sid_ctx_length) && |
5106 | (memcmp(sc->sid_ctx, ssl->ctx->sid_ctx, sc->sid_ctx_length) == 0)) { | |
5107 | sc->sid_ctx_length = ctx->sid_ctx_length; | |
5108 | memcpy(&sc->sid_ctx, &ctx->sid_ctx, sizeof(sc->sid_ctx)); | |
0f113f3e MC |
5109 | } |
5110 | ||
16203f7b | 5111 | SSL_CTX_up_ref(ctx); |
a230b26e | 5112 | SSL_CTX_free(ssl->ctx); /* decrement reference count */ |
0f113f3e MC |
5113 | ssl->ctx = ctx; |
5114 | ||
16203f7b | 5115 | return ssl->ctx; |
0f113f3e | 5116 | } |
ed3883d2 | 5117 | |
4f43d0e7 | 5118 | int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx) |
0f113f3e | 5119 | { |
d8652be0 MC |
5120 | return X509_STORE_set_default_paths_ex(ctx->cert_store, ctx->libctx, |
5121 | ctx->propq); | |
0f113f3e | 5122 | } |
58964a49 | 5123 | |
d84a7b20 MC |
5124 | int SSL_CTX_set_default_verify_dir(SSL_CTX *ctx) |
5125 | { | |
5126 | X509_LOOKUP *lookup; | |
5127 | ||
5128 | lookup = X509_STORE_add_lookup(ctx->cert_store, X509_LOOKUP_hash_dir()); | |
5129 | if (lookup == NULL) | |
5130 | return 0; | |
6dcb100f RL |
5131 | |
5132 | /* We ignore errors, in case the directory doesn't exist */ | |
5133 | ERR_set_mark(); | |
5134 | ||
d84a7b20 MC |
5135 | X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT); |
5136 | ||
6dcb100f | 5137 | ERR_pop_to_mark(); |
d84a7b20 MC |
5138 | |
5139 | return 1; | |
5140 | } | |
5141 | ||
5142 | int SSL_CTX_set_default_verify_file(SSL_CTX *ctx) | |
5143 | { | |
5144 | X509_LOOKUP *lookup; | |
5145 | ||
5146 | lookup = X509_STORE_add_lookup(ctx->cert_store, X509_LOOKUP_file()); | |
5147 | if (lookup == NULL) | |
5148 | return 0; | |
5149 | ||
492bc359 | 5150 | /* We ignore errors, in case the file doesn't exist */ |
6dcb100f RL |
5151 | ERR_set_mark(); |
5152 | ||
d8652be0 MC |
5153 | X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT, ctx->libctx, |
5154 | ctx->propq); | |
d84a7b20 | 5155 | |
6dcb100f RL |
5156 | ERR_pop_to_mark(); |
5157 | ||
5158 | return 1; | |
5159 | } | |
5160 | ||
5161 | int SSL_CTX_set_default_verify_store(SSL_CTX *ctx) | |
5162 | { | |
5163 | X509_LOOKUP *lookup; | |
5164 | ||
5165 | lookup = X509_STORE_add_lookup(ctx->cert_store, X509_LOOKUP_store()); | |
5166 | if (lookup == NULL) | |
5167 | return 0; | |
5168 | ||
5169 | /* We ignore errors, in case the directory doesn't exist */ | |
5170 | ERR_set_mark(); | |
5171 | ||
d8652be0 | 5172 | X509_LOOKUP_add_store_ex(lookup, NULL, ctx->libctx, ctx->propq); |
6dcb100f RL |
5173 | |
5174 | ERR_pop_to_mark(); | |
d84a7b20 MC |
5175 | |
5176 | return 1; | |
5177 | } | |
5178 | ||
6dcb100f RL |
5179 | int SSL_CTX_load_verify_file(SSL_CTX *ctx, const char *CAfile) |
5180 | { | |
d8652be0 MC |
5181 | return X509_STORE_load_file_ex(ctx->cert_store, CAfile, ctx->libctx, |
5182 | ctx->propq); | |
6dcb100f RL |
5183 | } |
5184 | ||
5185 | int SSL_CTX_load_verify_dir(SSL_CTX *ctx, const char *CApath) | |
5186 | { | |
5187 | return X509_STORE_load_path(ctx->cert_store, CApath); | |
5188 | } | |
5189 | ||
5190 | int SSL_CTX_load_verify_store(SSL_CTX *ctx, const char *CAstore) | |
5191 | { | |
d8652be0 MC |
5192 | return X509_STORE_load_store_ex(ctx->cert_store, CAstore, ctx->libctx, |
5193 | ctx->propq); | |
6dcb100f RL |
5194 | } |
5195 | ||
303c0028 | 5196 | int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile, |
0f113f3e MC |
5197 | const char *CApath) |
5198 | { | |
6dcb100f RL |
5199 | if (CAfile == NULL && CApath == NULL) |
5200 | return 0; | |
5201 | if (CAfile != NULL && !SSL_CTX_load_verify_file(ctx, CAfile)) | |
5202 | return 0; | |
5203 | if (CApath != NULL && !SSL_CTX_load_verify_dir(ctx, CApath)) | |
5204 | return 0; | |
5205 | return 1; | |
0f113f3e | 5206 | } |
58964a49 | 5207 | |
45d87a1f | 5208 | void SSL_set_info_callback(SSL *ssl, |
0f113f3e MC |
5209 | void (*cb) (const SSL *ssl, int type, int val)) |
5210 | { | |
38b051a1 TM |
5211 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
5212 | ||
5213 | if (sc == NULL) | |
5214 | return; | |
5215 | ||
5216 | sc->info_callback = cb; | |
0f113f3e MC |
5217 | } |
5218 | ||
5219 | /* | |
5220 | * One compiler (Diab DCC) doesn't like argument names in returned function | |
5221 | * pointer. | |
5222 | */ | |
5223 | void (*SSL_get_info_callback(const SSL *ssl)) (const SSL * /* ssl */ , | |
5224 | int /* type */ , | |
5225 | int /* val */ ) { | |
38b051a1 TM |
5226 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl); |
5227 | ||
5228 | if (sc == NULL) | |
5229 | return NULL; | |
5230 | ||
5231 | return sc->info_callback; | |
0f113f3e | 5232 | } |
58964a49 | 5233 | |
0f113f3e MC |
5234 | void SSL_set_verify_result(SSL *ssl, long arg) |
5235 | { | |
38b051a1 TM |
5236 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
5237 | ||
5238 | if (sc == NULL) | |
5239 | return; | |
5240 | ||
5241 | sc->verify_result = arg; | |
0f113f3e | 5242 | } |
58964a49 | 5243 | |
0821bcd4 | 5244 | long SSL_get_verify_result(const SSL *ssl) |
0f113f3e | 5245 | { |
38b051a1 TM |
5246 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl); |
5247 | ||
5248 | if (sc == NULL) | |
5249 | return 0; | |
5250 | ||
5251 | return sc->verify_result; | |
0f113f3e MC |
5252 | } |
5253 | ||
d9f1c639 | 5254 | size_t SSL_get_client_random(const SSL *ssl, unsigned char *out, size_t outlen) |
858618e7 | 5255 | { |
38b051a1 TM |
5256 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl); |
5257 | ||
5258 | if (sc == NULL) | |
5259 | return 0; | |
5260 | ||
6b8f5d0d | 5261 | if (outlen == 0) |
38b051a1 TM |
5262 | return sizeof(sc->s3.client_random); |
5263 | if (outlen > sizeof(sc->s3.client_random)) | |
5264 | outlen = sizeof(sc->s3.client_random); | |
5265 | memcpy(out, sc->s3.client_random, outlen); | |
d9f1c639 | 5266 | return outlen; |
858618e7 NM |
5267 | } |
5268 | ||
d9f1c639 | 5269 | size_t SSL_get_server_random(const SSL *ssl, unsigned char *out, size_t outlen) |
858618e7 | 5270 | { |
38b051a1 TM |
5271 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl); |
5272 | ||
5273 | if (sc == NULL) | |
5274 | return 0; | |
5275 | ||
6b8f5d0d | 5276 | if (outlen == 0) |
38b051a1 TM |
5277 | return sizeof(sc->s3.server_random); |
5278 | if (outlen > sizeof(sc->s3.server_random)) | |
5279 | outlen = sizeof(sc->s3.server_random); | |
5280 | memcpy(out, sc->s3.server_random, outlen); | |
d9f1c639 | 5281 | return outlen; |
858618e7 NM |
5282 | } |
5283 | ||
d9f1c639 | 5284 | size_t SSL_SESSION_get_master_key(const SSL_SESSION *session, |
a230b26e | 5285 | unsigned char *out, size_t outlen) |
858618e7 | 5286 | { |
d9f1c639 MC |
5287 | if (outlen == 0) |
5288 | return session->master_key_length; | |
8c1a5343 | 5289 | if (outlen > session->master_key_length) |
858618e7 NM |
5290 | outlen = session->master_key_length; |
5291 | memcpy(out, session->master_key, outlen); | |
d9f1c639 | 5292 | return outlen; |
858618e7 NM |
5293 | } |
5294 | ||
725b0f1e | 5295 | int SSL_SESSION_set1_master_key(SSL_SESSION *sess, const unsigned char *in, |
911d63f2 MC |
5296 | size_t len) |
5297 | { | |
5298 | if (len > sizeof(sess->master_key)) | |
5299 | return 0; | |
5300 | ||
5301 | memcpy(sess->master_key, in, len); | |
5302 | sess->master_key_length = len; | |
911d63f2 MC |
5303 | return 1; |
5304 | } | |
5305 | ||
5306 | ||
0f113f3e MC |
5307 | int SSL_set_ex_data(SSL *s, int idx, void *arg) |
5308 | { | |
26a7d938 | 5309 | return CRYPTO_set_ex_data(&s->ex_data, idx, arg); |
0f113f3e MC |
5310 | } |
5311 | ||
5312 | void *SSL_get_ex_data(const SSL *s, int idx) | |
5313 | { | |
26a7d938 | 5314 | return CRYPTO_get_ex_data(&s->ex_data, idx); |
0f113f3e MC |
5315 | } |
5316 | ||
0f113f3e MC |
5317 | int SSL_CTX_set_ex_data(SSL_CTX *s, int idx, void *arg) |
5318 | { | |
26a7d938 | 5319 | return CRYPTO_set_ex_data(&s->ex_data, idx, arg); |
0f113f3e MC |
5320 | } |
5321 | ||
5322 | void *SSL_CTX_get_ex_data(const SSL_CTX *s, int idx) | |
5323 | { | |
26a7d938 | 5324 | return CRYPTO_get_ex_data(&s->ex_data, idx); |
0f113f3e | 5325 | } |
58964a49 | 5326 | |
0821bcd4 | 5327 | X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx) |
0f113f3e | 5328 | { |
26a7d938 | 5329 | return ctx->cert_store; |
0f113f3e | 5330 | } |
413c4f45 | 5331 | |
0f113f3e MC |
5332 | void SSL_CTX_set_cert_store(SSL_CTX *ctx, X509_STORE *store) |
5333 | { | |
222561fe | 5334 | X509_STORE_free(ctx->cert_store); |
0f113f3e MC |
5335 | ctx->cert_store = store; |
5336 | } | |
413c4f45 | 5337 | |
b50052db TS |
5338 | void SSL_CTX_set1_cert_store(SSL_CTX *ctx, X509_STORE *store) |
5339 | { | |
5340 | if (store != NULL) | |
5341 | X509_STORE_up_ref(store); | |
5342 | SSL_CTX_set_cert_store(ctx, store); | |
5343 | } | |
5344 | ||
0821bcd4 | 5345 | int SSL_want(const SSL *s) |
0f113f3e | 5346 | { |
38b051a1 TM |
5347 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5348 | ||
5349 | if (sc == NULL) | |
5350 | return SSL_NOTHING; | |
5351 | ||
5352 | return sc->rwstate; | |
0f113f3e | 5353 | } |
413c4f45 | 5354 | |
ddac1974 NL |
5355 | #ifndef OPENSSL_NO_PSK |
5356 | int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint) | |
0f113f3e MC |
5357 | { |
5358 | if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) { | |
6849b73c | 5359 | ERR_raise(ERR_LIB_SSL, SSL_R_DATA_LENGTH_TOO_LONG); |
0f113f3e MC |
5360 | return 0; |
5361 | } | |
df6da24b | 5362 | OPENSSL_free(ctx->cert->psk_identity_hint); |
0f113f3e | 5363 | if (identity_hint != NULL) { |
7644a9ae | 5364 | ctx->cert->psk_identity_hint = OPENSSL_strdup(identity_hint); |
df6da24b | 5365 | if (ctx->cert->psk_identity_hint == NULL) |
0f113f3e MC |
5366 | return 0; |
5367 | } else | |
df6da24b | 5368 | ctx->cert->psk_identity_hint = NULL; |
0f113f3e MC |
5369 | return 1; |
5370 | } | |
ddac1974 NL |
5371 | |
5372 | int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint) | |
0f113f3e | 5373 | { |
38b051a1 TM |
5374 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5375 | ||
5376 | if (sc == NULL) | |
0f113f3e MC |
5377 | return 0; |
5378 | ||
0f113f3e | 5379 | if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) { |
6849b73c | 5380 | ERR_raise(ERR_LIB_SSL, SSL_R_DATA_LENGTH_TOO_LONG); |
0f113f3e MC |
5381 | return 0; |
5382 | } | |
38b051a1 | 5383 | OPENSSL_free(sc->cert->psk_identity_hint); |
0f113f3e | 5384 | if (identity_hint != NULL) { |
38b051a1 TM |
5385 | sc->cert->psk_identity_hint = OPENSSL_strdup(identity_hint); |
5386 | if (sc->cert->psk_identity_hint == NULL) | |
0f113f3e MC |
5387 | return 0; |
5388 | } else | |
38b051a1 | 5389 | sc->cert->psk_identity_hint = NULL; |
0f113f3e MC |
5390 | return 1; |
5391 | } | |
ddac1974 NL |
5392 | |
5393 | const char *SSL_get_psk_identity_hint(const SSL *s) | |
0f113f3e | 5394 | { |
38b051a1 TM |
5395 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5396 | ||
5397 | if (sc == NULL || sc->session == NULL) | |
0f113f3e | 5398 | return NULL; |
38b051a1 TM |
5399 | |
5400 | return sc->session->psk_identity_hint; | |
0f113f3e | 5401 | } |
ddac1974 NL |
5402 | |
5403 | const char *SSL_get_psk_identity(const SSL *s) | |
0f113f3e | 5404 | { |
38b051a1 TM |
5405 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5406 | ||
5407 | if (sc == NULL || sc->session == NULL) | |
0f113f3e | 5408 | return NULL; |
38b051a1 TM |
5409 | |
5410 | return sc->session->psk_identity; | |
0f113f3e | 5411 | } |
7806f3dd | 5412 | |
8cbfcc70 | 5413 | void SSL_set_psk_client_callback(SSL *s, SSL_psk_client_cb_func cb) |
0f113f3e | 5414 | { |
38b051a1 TM |
5415 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5416 | ||
5417 | if (sc == NULL) | |
5418 | return; | |
5419 | ||
5420 | sc->psk_client_callback = cb; | |
0f113f3e | 5421 | } |
7806f3dd | 5422 | |
8cbfcc70 | 5423 | void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx, SSL_psk_client_cb_func cb) |
0f113f3e MC |
5424 | { |
5425 | ctx->psk_client_callback = cb; | |
5426 | } | |
7806f3dd | 5427 | |
8cbfcc70 | 5428 | void SSL_set_psk_server_callback(SSL *s, SSL_psk_server_cb_func cb) |
0f113f3e | 5429 | { |
38b051a1 TM |
5430 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5431 | ||
5432 | if (sc == NULL) | |
5433 | return; | |
5434 | ||
5435 | sc->psk_server_callback = cb; | |
0f113f3e | 5436 | } |
7806f3dd | 5437 | |
8cbfcc70 | 5438 | void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx, SSL_psk_server_cb_func cb) |
0f113f3e MC |
5439 | { |
5440 | ctx->psk_server_callback = cb; | |
5441 | } | |
5442 | #endif | |
5443 | ||
f46184bd MC |
5444 | void SSL_set_psk_find_session_callback(SSL *s, SSL_psk_find_session_cb_func cb) |
5445 | { | |
38b051a1 TM |
5446 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5447 | ||
5448 | if (sc == NULL) | |
5449 | return; | |
5450 | ||
5451 | sc->psk_find_session_cb = cb; | |
f46184bd MC |
5452 | } |
5453 | ||
5454 | void SSL_CTX_set_psk_find_session_callback(SSL_CTX *ctx, | |
5455 | SSL_psk_find_session_cb_func cb) | |
5456 | { | |
5457 | ctx->psk_find_session_cb = cb; | |
5458 | } | |
5459 | ||
5460 | void SSL_set_psk_use_session_callback(SSL *s, SSL_psk_use_session_cb_func cb) | |
5461 | { | |
38b051a1 TM |
5462 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5463 | ||
5464 | if (sc == NULL) | |
5465 | return; | |
5466 | ||
5467 | sc->psk_use_session_cb = cb; | |
f46184bd MC |
5468 | } |
5469 | ||
5470 | void SSL_CTX_set_psk_use_session_callback(SSL_CTX *ctx, | |
5471 | SSL_psk_use_session_cb_func cb) | |
5472 | { | |
5473 | ctx->psk_use_session_cb = cb; | |
5474 | } | |
5475 | ||
0f113f3e MC |
5476 | void SSL_CTX_set_msg_callback(SSL_CTX *ctx, |
5477 | void (*cb) (int write_p, int version, | |
5478 | int content_type, const void *buf, | |
5479 | size_t len, SSL *ssl, void *arg)) | |
5480 | { | |
5481 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb); | |
5482 | } | |
5483 | ||
5484 | void SSL_set_msg_callback(SSL *ssl, | |
5485 | void (*cb) (int write_p, int version, | |
5486 | int content_type, const void *buf, | |
5487 | size_t len, SSL *ssl, void *arg)) | |
5488 | { | |
5489 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb); | |
5490 | } | |
a661b653 | 5491 | |
7c2d4fee | 5492 | void SSL_CTX_set_not_resumable_session_callback(SSL_CTX *ctx, |
0f113f3e MC |
5493 | int (*cb) (SSL *ssl, |
5494 | int | |
5495 | is_forward_secure)) | |
5496 | { | |
5497 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB, | |
5498 | (void (*)(void))cb); | |
5499 | } | |
5500 | ||
7c2d4fee | 5501 | void SSL_set_not_resumable_session_callback(SSL *ssl, |
0f113f3e MC |
5502 | int (*cb) (SSL *ssl, |
5503 | int is_forward_secure)) | |
5504 | { | |
5505 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB, | |
5506 | (void (*)(void))cb); | |
5507 | } | |
5508 | ||
c649d10d TS |
5509 | void SSL_CTX_set_record_padding_callback(SSL_CTX *ctx, |
5510 | size_t (*cb) (SSL *ssl, int type, | |
5511 | size_t len, void *arg)) | |
5512 | { | |
5513 | ctx->record_padding_cb = cb; | |
5514 | } | |
5515 | ||
5516 | void SSL_CTX_set_record_padding_callback_arg(SSL_CTX *ctx, void *arg) | |
5517 | { | |
5518 | ctx->record_padding_arg = arg; | |
5519 | } | |
5520 | ||
3499327b | 5521 | void *SSL_CTX_get_record_padding_callback_arg(const SSL_CTX *ctx) |
c649d10d TS |
5522 | { |
5523 | return ctx->record_padding_arg; | |
5524 | } | |
5525 | ||
5526 | int SSL_CTX_set_block_padding(SSL_CTX *ctx, size_t block_size) | |
5527 | { | |
5528 | /* block size of 0 or 1 is basically no padding */ | |
5529 | if (block_size == 1) | |
5530 | ctx->block_padding = 0; | |
5531 | else if (block_size <= SSL3_RT_MAX_PLAIN_LENGTH) | |
5532 | ctx->block_padding = block_size; | |
5533 | else | |
5534 | return 0; | |
5535 | return 1; | |
5536 | } | |
5537 | ||
a6d36303 | 5538 | int SSL_set_record_padding_callback(SSL *ssl, |
c649d10d TS |
5539 | size_t (*cb) (SSL *ssl, int type, |
5540 | size_t len, void *arg)) | |
5541 | { | |
a6d36303 | 5542 | BIO *b; |
38b051a1 TM |
5543 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
5544 | ||
5545 | if (sc == NULL) | |
5546 | return 0; | |
a6d36303 VF |
5547 | |
5548 | b = SSL_get_wbio(ssl); | |
5549 | if (b == NULL || !BIO_get_ktls_send(b)) { | |
eb7d6c2a | 5550 | sc->rlayer.record_padding_cb = cb; |
a6d36303 VF |
5551 | return 1; |
5552 | } | |
5553 | return 0; | |
c649d10d TS |
5554 | } |
5555 | ||
5556 | void SSL_set_record_padding_callback_arg(SSL *ssl, void *arg) | |
5557 | { | |
38b051a1 TM |
5558 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
5559 | ||
5560 | if (sc == NULL) | |
5561 | return; | |
5562 | ||
eb7d6c2a | 5563 | sc->rlayer.record_padding_arg = arg; |
c649d10d TS |
5564 | } |
5565 | ||
3499327b | 5566 | void *SSL_get_record_padding_callback_arg(const SSL *ssl) |
c649d10d | 5567 | { |
38b051a1 TM |
5568 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl); |
5569 | ||
5570 | if (sc == NULL) | |
5571 | return NULL; | |
5572 | ||
eb7d6c2a | 5573 | return sc->rlayer.record_padding_arg; |
c649d10d TS |
5574 | } |
5575 | ||
5576 | int SSL_set_block_padding(SSL *ssl, size_t block_size) | |
5577 | { | |
38b051a1 TM |
5578 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
5579 | ||
5580 | if (sc == NULL) | |
5581 | return 0; | |
5582 | ||
c649d10d TS |
5583 | /* block size of 0 or 1 is basically no padding */ |
5584 | if (block_size == 1) | |
eb7d6c2a | 5585 | sc->rlayer.block_padding = 0; |
c649d10d | 5586 | else if (block_size <= SSL3_RT_MAX_PLAIN_LENGTH) |
eb7d6c2a | 5587 | sc->rlayer.block_padding = block_size; |
c649d10d TS |
5588 | else |
5589 | return 0; | |
5590 | return 1; | |
5591 | } | |
5592 | ||
9d0a8bb7 MC |
5593 | int SSL_set_num_tickets(SSL *s, size_t num_tickets) |
5594 | { | |
38b051a1 TM |
5595 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5596 | ||
5597 | if (sc == NULL) | |
5598 | return 0; | |
5599 | ||
5600 | sc->num_tickets = num_tickets; | |
9d0a8bb7 MC |
5601 | |
5602 | return 1; | |
5603 | } | |
5604 | ||
3499327b | 5605 | size_t SSL_get_num_tickets(const SSL *s) |
9d0a8bb7 | 5606 | { |
38b051a1 TM |
5607 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5608 | ||
5609 | if (sc == NULL) | |
5610 | return 0; | |
5611 | ||
5612 | return sc->num_tickets; | |
9d0a8bb7 MC |
5613 | } |
5614 | ||
5615 | int SSL_CTX_set_num_tickets(SSL_CTX *ctx, size_t num_tickets) | |
5616 | { | |
5617 | ctx->num_tickets = num_tickets; | |
5618 | ||
5619 | return 1; | |
5620 | } | |
5621 | ||
3499327b | 5622 | size_t SSL_CTX_get_num_tickets(const SSL_CTX *ctx) |
9d0a8bb7 MC |
5623 | { |
5624 | return ctx->num_tickets; | |
5625 | } | |
5626 | ||
48fbcbac | 5627 | /* Retrieve handshake hashes */ |
38b051a1 TM |
5628 | int ssl_handshake_hash(SSL_CONNECTION *s, |
5629 | unsigned char *out, size_t outlen, | |
8c1a5343 | 5630 | size_t *hashlen) |
48fbcbac | 5631 | { |
6e59a892 | 5632 | EVP_MD_CTX *ctx = NULL; |
555cbb32 | 5633 | EVP_MD_CTX *hdgst = s->s3.handshake_dgst; |
ed576acd | 5634 | int hashleni = EVP_MD_CTX_get_size(hdgst); |
8c1a5343 MC |
5635 | int ret = 0; |
5636 | ||
f63a17d6 | 5637 | if (hashleni < 0 || (size_t)hashleni > outlen) { |
c48ffbcc | 5638 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); |
28ba2541 | 5639 | goto err; |
f63a17d6 | 5640 | } |
8c1a5343 | 5641 | |
bfb0641f | 5642 | ctx = EVP_MD_CTX_new(); |
147ed5f9 TL |
5643 | if (ctx == NULL) { |
5644 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); | |
6e59a892 | 5645 | goto err; |
147ed5f9 | 5646 | } |
8c1a5343 | 5647 | |
6e59a892 | 5648 | if (!EVP_MD_CTX_copy_ex(ctx, hdgst) |
f63a17d6 | 5649 | || EVP_DigestFinal_ex(ctx, out, NULL) <= 0) { |
c48ffbcc | 5650 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); |
8c1a5343 | 5651 | goto err; |
f63a17d6 | 5652 | } |
8c1a5343 MC |
5653 | |
5654 | *hashlen = hashleni; | |
5655 | ||
5656 | ret = 1; | |
48fbcbac | 5657 | err: |
bfb0641f | 5658 | EVP_MD_CTX_free(ctx); |
48fbcbac DSH |
5659 | return ret; |
5660 | } | |
5661 | ||
c04b66b1 | 5662 | int SSL_session_reused(const SSL *s) |
0f113f3e | 5663 | { |
38b051a1 TM |
5664 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5665 | ||
5666 | if (sc == NULL) | |
5667 | return 0; | |
5668 | ||
5669 | return sc->hit; | |
0f113f3e | 5670 | } |
08557cf2 | 5671 | |
69443116 | 5672 | int SSL_is_server(const SSL *s) |
0f113f3e | 5673 | { |
38b051a1 TM |
5674 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5675 | ||
5676 | if (sc == NULL) | |
5677 | return 0; | |
5678 | ||
5679 | return sc->server; | |
0f113f3e | 5680 | } |
87adf1fa | 5681 | |
00db8c60 | 5682 | #ifndef OPENSSL_NO_DEPRECATED_1_1_0 |
47153c72 RS |
5683 | void SSL_set_debug(SSL *s, int debug) |
5684 | { | |
5685 | /* Old function was do-nothing anyway... */ | |
5686 | (void)s; | |
5687 | (void)debug; | |
5688 | } | |
5689 | #endif | |
5690 | ||
b362ccab | 5691 | void SSL_set_security_level(SSL *s, int level) |
0f113f3e | 5692 | { |
38b051a1 TM |
5693 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5694 | ||
5695 | if (sc == NULL) | |
5696 | return; | |
5697 | ||
5698 | sc->cert->sec_level = level; | |
0f113f3e | 5699 | } |
b362ccab DSH |
5700 | |
5701 | int SSL_get_security_level(const SSL *s) | |
0f113f3e | 5702 | { |
38b051a1 TM |
5703 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5704 | ||
5705 | if (sc == NULL) | |
5706 | return 0; | |
5707 | ||
5708 | return sc->cert->sec_level; | |
0f113f3e | 5709 | } |
b362ccab | 5710 | |
0f113f3e | 5711 | void SSL_set_security_callback(SSL *s, |
a230b26e EK |
5712 | int (*cb) (const SSL *s, const SSL_CTX *ctx, |
5713 | int op, int bits, int nid, | |
5714 | void *other, void *ex)) | |
0f113f3e | 5715 | { |
38b051a1 TM |
5716 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5717 | ||
5718 | if (sc == NULL) | |
5719 | return; | |
5720 | ||
5721 | sc->cert->sec_cb = cb; | |
0f113f3e | 5722 | } |
b362ccab | 5723 | |
a230b26e EK |
5724 | int (*SSL_get_security_callback(const SSL *s)) (const SSL *s, |
5725 | const SSL_CTX *ctx, int op, | |
5726 | int bits, int nid, void *other, | |
5727 | void *ex) { | |
38b051a1 TM |
5728 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5729 | ||
5730 | if (sc == NULL) | |
5731 | return NULL; | |
5732 | ||
5733 | return sc->cert->sec_cb; | |
0f113f3e | 5734 | } |
b362ccab DSH |
5735 | |
5736 | void SSL_set0_security_ex_data(SSL *s, void *ex) | |
0f113f3e | 5737 | { |
38b051a1 TM |
5738 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5739 | ||
5740 | if (sc == NULL) | |
5741 | return; | |
5742 | ||
5743 | sc->cert->sec_ex = ex; | |
0f113f3e | 5744 | } |
b362ccab DSH |
5745 | |
5746 | void *SSL_get0_security_ex_data(const SSL *s) | |
0f113f3e | 5747 | { |
38b051a1 TM |
5748 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5749 | ||
5750 | if (sc == NULL) | |
5751 | return NULL; | |
5752 | ||
5753 | return sc->cert->sec_ex; | |
0f113f3e | 5754 | } |
b362ccab DSH |
5755 | |
5756 | void SSL_CTX_set_security_level(SSL_CTX *ctx, int level) | |
0f113f3e MC |
5757 | { |
5758 | ctx->cert->sec_level = level; | |
5759 | } | |
b362ccab DSH |
5760 | |
5761 | int SSL_CTX_get_security_level(const SSL_CTX *ctx) | |
0f113f3e MC |
5762 | { |
5763 | return ctx->cert->sec_level; | |
5764 | } | |
b362ccab | 5765 | |
0f113f3e | 5766 | void SSL_CTX_set_security_callback(SSL_CTX *ctx, |
a230b26e EK |
5767 | int (*cb) (const SSL *s, const SSL_CTX *ctx, |
5768 | int op, int bits, int nid, | |
5769 | void *other, void *ex)) | |
0f113f3e MC |
5770 | { |
5771 | ctx->cert->sec_cb = cb; | |
5772 | } | |
b362ccab | 5773 | |
e4646a89 KR |
5774 | int (*SSL_CTX_get_security_callback(const SSL_CTX *ctx)) (const SSL *s, |
5775 | const SSL_CTX *ctx, | |
0f113f3e MC |
5776 | int op, int bits, |
5777 | int nid, | |
5778 | void *other, | |
5779 | void *ex) { | |
5780 | return ctx->cert->sec_cb; | |
5781 | } | |
b362ccab DSH |
5782 | |
5783 | void SSL_CTX_set0_security_ex_data(SSL_CTX *ctx, void *ex) | |
0f113f3e MC |
5784 | { |
5785 | ctx->cert->sec_ex = ex; | |
5786 | } | |
b362ccab DSH |
5787 | |
5788 | void *SSL_CTX_get0_security_ex_data(const SSL_CTX *ctx) | |
0f113f3e MC |
5789 | { |
5790 | return ctx->cert->sec_ex; | |
5791 | } | |
b362ccab | 5792 | |
56bd1783 | 5793 | uint64_t SSL_CTX_get_options(const SSL_CTX *ctx) |
8106cb8b VD |
5794 | { |
5795 | return ctx->options; | |
5796 | } | |
a230b26e | 5797 | |
56bd1783 | 5798 | uint64_t SSL_get_options(const SSL *s) |
8106cb8b | 5799 | { |
38b051a1 TM |
5800 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5801 | ||
5802 | if (sc == NULL) | |
5803 | return 0; | |
5804 | ||
5805 | return sc->options; | |
8106cb8b | 5806 | } |
a230b26e | 5807 | |
56bd1783 | 5808 | uint64_t SSL_CTX_set_options(SSL_CTX *ctx, uint64_t op) |
8106cb8b VD |
5809 | { |
5810 | return ctx->options |= op; | |
5811 | } | |
a230b26e | 5812 | |
56bd1783 | 5813 | uint64_t SSL_set_options(SSL *s, uint64_t op) |
8106cb8b | 5814 | { |
38b051a1 | 5815 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
4566dae7 | 5816 | OSSL_PARAM options[2], *opts = options; |
38b051a1 TM |
5817 | |
5818 | if (sc == NULL) | |
5819 | return 0; | |
5820 | ||
4566dae7 MC |
5821 | sc->options |= op; |
5822 | ||
5823 | *opts++ = OSSL_PARAM_construct_uint64(OSSL_LIBSSL_RECORD_LAYER_PARAM_OPTIONS, | |
5824 | &sc->options); | |
5825 | *opts = OSSL_PARAM_construct_end(); | |
5826 | ||
5827 | /* Ignore return value */ | |
5828 | sc->rlayer.rrlmethod->set_options(sc->rlayer.rrl, options); | |
5829 | ||
5830 | return sc->options; | |
8106cb8b | 5831 | } |
a230b26e | 5832 | |
56bd1783 | 5833 | uint64_t SSL_CTX_clear_options(SSL_CTX *ctx, uint64_t op) |
8106cb8b VD |
5834 | { |
5835 | return ctx->options &= ~op; | |
5836 | } | |
a230b26e | 5837 | |
56bd1783 | 5838 | uint64_t SSL_clear_options(SSL *s, uint64_t op) |
8106cb8b | 5839 | { |
38b051a1 TM |
5840 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
5841 | ||
5842 | if (sc == NULL) | |
5843 | return 0; | |
5844 | ||
5845 | return sc->options &= ~op; | |
8106cb8b VD |
5846 | } |
5847 | ||
696178ed DSH |
5848 | STACK_OF(X509) *SSL_get0_verified_chain(const SSL *s) |
5849 | { | |
38b051a1 TM |
5850 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
5851 | ||
5852 | if (sc == NULL) | |
5853 | return NULL; | |
5854 | ||
5855 | return sc->verified_chain; | |
696178ed DSH |
5856 | } |
5857 | ||
0f113f3e | 5858 | IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); |
ed29e82a RP |
5859 | |
5860 | #ifndef OPENSSL_NO_CT | |
5861 | ||
5862 | /* | |
5863 | * Moves SCTs from the |src| stack to the |dst| stack. | |
5864 | * The source of each SCT will be set to |origin|. | |
5865 | * If |dst| points to a NULL pointer, a new stack will be created and owned by | |
5866 | * the caller. | |
5867 | * Returns the number of SCTs moved, or a negative integer if an error occurs. | |
5868 | */ | |
a230b26e EK |
5869 | static int ct_move_scts(STACK_OF(SCT) **dst, STACK_OF(SCT) *src, |
5870 | sct_source_t origin) | |
ed29e82a RP |
5871 | { |
5872 | int scts_moved = 0; | |
5873 | SCT *sct = NULL; | |
5874 | ||
5875 | if (*dst == NULL) { | |
5876 | *dst = sk_SCT_new_null(); | |
5877 | if (*dst == NULL) { | |
e077455e | 5878 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
ed29e82a RP |
5879 | goto err; |
5880 | } | |
5881 | } | |
5882 | ||
a8086e6b | 5883 | while ((sct = sk_SCT_pop(src)) != NULL) { |
ed29e82a RP |
5884 | if (SCT_set_source(sct, origin) != 1) |
5885 | goto err; | |
5886 | ||
5887 | if (sk_SCT_push(*dst, sct) <= 0) | |
5888 | goto err; | |
5889 | scts_moved += 1; | |
5890 | } | |
5891 | ||
5892 | return scts_moved; | |
a230b26e | 5893 | err: |
ed29e82a | 5894 | if (sct != NULL) |
a230b26e | 5895 | sk_SCT_push(src, sct); /* Put the SCT back */ |
cc7113e8 | 5896 | return -1; |
ed29e82a RP |
5897 | } |
5898 | ||
5899 | /* | |
a230b26e | 5900 | * Look for data collected during ServerHello and parse if found. |
6b13bd1d | 5901 | * Returns the number of SCTs extracted. |
a230b26e | 5902 | */ |
38b051a1 | 5903 | static int ct_extract_tls_extension_scts(SSL_CONNECTION *s) |
ed29e82a RP |
5904 | { |
5905 | int scts_extracted = 0; | |
5906 | ||
aff8c126 RS |
5907 | if (s->ext.scts != NULL) { |
5908 | const unsigned char *p = s->ext.scts; | |
5909 | STACK_OF(SCT) *scts = o2i_SCT_LIST(NULL, &p, s->ext.scts_len); | |
ed29e82a RP |
5910 | |
5911 | scts_extracted = ct_move_scts(&s->scts, scts, SCT_SOURCE_TLS_EXTENSION); | |
5912 | ||
5913 | SCT_LIST_free(scts); | |
5914 | } | |
5915 | ||
5916 | return scts_extracted; | |
5917 | } | |
5918 | ||
5919 | /* | |
5920 | * Checks for an OCSP response and then attempts to extract any SCTs found if it | |
5921 | * contains an SCT X509 extension. They will be stored in |s->scts|. | |
5922 | * Returns: | |
5923 | * - The number of SCTs extracted, assuming an OCSP response exists. | |
5924 | * - 0 if no OCSP response exists or it contains no SCTs. | |
5925 | * - A negative integer if an error occurs. | |
5926 | */ | |
38b051a1 | 5927 | static int ct_extract_ocsp_response_scts(SSL_CONNECTION *s) |
ed29e82a | 5928 | { |
a230b26e | 5929 | # ifndef OPENSSL_NO_OCSP |
ed29e82a RP |
5930 | int scts_extracted = 0; |
5931 | const unsigned char *p; | |
5932 | OCSP_BASICRESP *br = NULL; | |
5933 | OCSP_RESPONSE *rsp = NULL; | |
5934 | STACK_OF(SCT) *scts = NULL; | |
5935 | int i; | |
5936 | ||
aff8c126 | 5937 | if (s->ext.ocsp.resp == NULL || s->ext.ocsp.resp_len == 0) |
ed29e82a RP |
5938 | goto err; |
5939 | ||
aff8c126 RS |
5940 | p = s->ext.ocsp.resp; |
5941 | rsp = d2i_OCSP_RESPONSE(NULL, &p, (int)s->ext.ocsp.resp_len); | |
ed29e82a RP |
5942 | if (rsp == NULL) |
5943 | goto err; | |
5944 | ||
5945 | br = OCSP_response_get1_basic(rsp); | |
5946 | if (br == NULL) | |
5947 | goto err; | |
5948 | ||
5949 | for (i = 0; i < OCSP_resp_count(br); ++i) { | |
5950 | OCSP_SINGLERESP *single = OCSP_resp_get0(br, i); | |
5951 | ||
5952 | if (single == NULL) | |
5953 | continue; | |
5954 | ||
a230b26e EK |
5955 | scts = |
5956 | OCSP_SINGLERESP_get1_ext_d2i(single, NID_ct_cert_scts, NULL, NULL); | |
5957 | scts_extracted = | |
5958 | ct_move_scts(&s->scts, scts, SCT_SOURCE_OCSP_STAPLED_RESPONSE); | |
ed29e82a RP |
5959 | if (scts_extracted < 0) |
5960 | goto err; | |
5961 | } | |
a230b26e | 5962 | err: |
ed29e82a RP |
5963 | SCT_LIST_free(scts); |
5964 | OCSP_BASICRESP_free(br); | |
5965 | OCSP_RESPONSE_free(rsp); | |
5966 | return scts_extracted; | |
a230b26e | 5967 | # else |
3e41ac35 MC |
5968 | /* Behave as if no OCSP response exists */ |
5969 | return 0; | |
a230b26e | 5970 | # endif |
ed29e82a RP |
5971 | } |
5972 | ||
5973 | /* | |
5974 | * Attempts to extract SCTs from the peer certificate. | |
5975 | * Return the number of SCTs extracted, or a negative integer if an error | |
5976 | * occurs. | |
5977 | */ | |
38b051a1 | 5978 | static int ct_extract_x509v3_extension_scts(SSL_CONNECTION *s) |
ed29e82a RP |
5979 | { |
5980 | int scts_extracted = 0; | |
3f3c7d26 | 5981 | X509 *cert = s->session != NULL ? s->session->peer : NULL; |
ed29e82a RP |
5982 | |
5983 | if (cert != NULL) { | |
5984 | STACK_OF(SCT) *scts = | |
5985 | X509_get_ext_d2i(cert, NID_ct_precert_scts, NULL, NULL); | |
5986 | ||
5987 | scts_extracted = | |
5988 | ct_move_scts(&s->scts, scts, SCT_SOURCE_X509V3_EXTENSION); | |
5989 | ||
5990 | SCT_LIST_free(scts); | |
5991 | } | |
5992 | ||
5993 | return scts_extracted; | |
5994 | } | |
5995 | ||
5996 | /* | |
5997 | * Attempts to find all received SCTs by checking TLS extensions, the OCSP | |
5998 | * response (if it exists) and X509v3 extensions in the certificate. | |
5999 | * Returns NULL if an error occurs. | |
6000 | */ | |
6001 | const STACK_OF(SCT) *SSL_get0_peer_scts(SSL *s) | |
6002 | { | |
38b051a1 TM |
6003 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6004 | ||
6005 | if (sc == NULL) | |
6006 | return NULL; | |
6007 | ||
6008 | if (!sc->scts_parsed) { | |
6009 | if (ct_extract_tls_extension_scts(sc) < 0 || | |
6010 | ct_extract_ocsp_response_scts(sc) < 0 || | |
6011 | ct_extract_x509v3_extension_scts(sc) < 0) | |
ed29e82a RP |
6012 | goto err; |
6013 | ||
38b051a1 | 6014 | sc->scts_parsed = 1; |
ed29e82a | 6015 | } |
38b051a1 | 6016 | return sc->scts; |
a230b26e | 6017 | err: |
ed29e82a RP |
6018 | return NULL; |
6019 | } | |
6020 | ||
a230b26e | 6021 | static int ct_permissive(const CT_POLICY_EVAL_CTX * ctx, |
43341433 | 6022 | const STACK_OF(SCT) *scts, void *unused_arg) |
ed29e82a | 6023 | { |
43341433 VD |
6024 | return 1; |
6025 | } | |
6026 | ||
a230b26e | 6027 | static int ct_strict(const CT_POLICY_EVAL_CTX * ctx, |
43341433 VD |
6028 | const STACK_OF(SCT) *scts, void *unused_arg) |
6029 | { | |
6030 | int count = scts != NULL ? sk_SCT_num(scts) : 0; | |
6031 | int i; | |
ed29e82a | 6032 | |
43341433 VD |
6033 | for (i = 0; i < count; ++i) { |
6034 | SCT *sct = sk_SCT_value(scts, i); | |
6035 | int status = SCT_get_validation_status(sct); | |
6036 | ||
6037 | if (status == SCT_VALIDATION_STATUS_VALID) | |
6038 | return 1; | |
6039 | } | |
6849b73c | 6040 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_VALID_SCTS); |
43341433 VD |
6041 | return 0; |
6042 | } | |
6043 | ||
6044 | int SSL_set_ct_validation_callback(SSL *s, ssl_ct_validation_cb callback, | |
6045 | void *arg) | |
6046 | { | |
38b051a1 TM |
6047 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6048 | ||
6049 | if (sc == NULL) | |
6050 | return 0; | |
6051 | ||
ed29e82a RP |
6052 | /* |
6053 | * Since code exists that uses the custom extension handler for CT, look | |
6054 | * for this and throw an error if they have already registered to use CT. | |
6055 | */ | |
6056 | if (callback != NULL && SSL_CTX_has_client_custom_ext(s->ctx, | |
a230b26e EK |
6057 | TLSEXT_TYPE_signed_certificate_timestamp)) |
6058 | { | |
6849b73c | 6059 | ERR_raise(ERR_LIB_SSL, SSL_R_CUSTOM_EXT_HANDLER_ALREADY_INSTALLED); |
43341433 | 6060 | return 0; |
ed29e82a RP |
6061 | } |
6062 | ||
ed29e82a | 6063 | if (callback != NULL) { |
a230b26e EK |
6064 | /* |
6065 | * If we are validating CT, then we MUST accept SCTs served via OCSP | |
6066 | */ | |
ed29e82a | 6067 | if (!SSL_set_tlsext_status_type(s, TLSEXT_STATUSTYPE_ocsp)) |
43341433 | 6068 | return 0; |
ed29e82a RP |
6069 | } |
6070 | ||
38b051a1 TM |
6071 | sc->ct_validation_callback = callback; |
6072 | sc->ct_validation_callback_arg = arg; | |
43341433 VD |
6073 | |
6074 | return 1; | |
ed29e82a RP |
6075 | } |
6076 | ||
43341433 | 6077 | int SSL_CTX_set_ct_validation_callback(SSL_CTX *ctx, |
a230b26e | 6078 | ssl_ct_validation_cb callback, void *arg) |
ed29e82a | 6079 | { |
ed29e82a RP |
6080 | /* |
6081 | * Since code exists that uses the custom extension handler for CT, look for | |
6082 | * this and throw an error if they have already registered to use CT. | |
6083 | */ | |
6084 | if (callback != NULL && SSL_CTX_has_client_custom_ext(ctx, | |
a230b26e EK |
6085 | TLSEXT_TYPE_signed_certificate_timestamp)) |
6086 | { | |
6849b73c | 6087 | ERR_raise(ERR_LIB_SSL, SSL_R_CUSTOM_EXT_HANDLER_ALREADY_INSTALLED); |
43341433 | 6088 | return 0; |
ed29e82a RP |
6089 | } |
6090 | ||
6091 | ctx->ct_validation_callback = callback; | |
6092 | ctx->ct_validation_callback_arg = arg; | |
43341433 | 6093 | return 1; |
ed29e82a RP |
6094 | } |
6095 | ||
43341433 | 6096 | int SSL_ct_is_enabled(const SSL *s) |
ed29e82a | 6097 | { |
38b051a1 TM |
6098 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
6099 | ||
6100 | if (sc == NULL) | |
6101 | return 0; | |
6102 | ||
6103 | return sc->ct_validation_callback != NULL; | |
ed29e82a RP |
6104 | } |
6105 | ||
43341433 | 6106 | int SSL_CTX_ct_is_enabled(const SSL_CTX *ctx) |
ed29e82a | 6107 | { |
43341433 | 6108 | return ctx->ct_validation_callback != NULL; |
ed29e82a RP |
6109 | } |
6110 | ||
38b051a1 | 6111 | int ssl_validate_ct(SSL_CONNECTION *s) |
ed29e82a RP |
6112 | { |
6113 | int ret = 0; | |
3f3c7d26 | 6114 | X509 *cert = s->session != NULL ? s->session->peer : NULL; |
43341433 | 6115 | X509 *issuer; |
b9aec69a | 6116 | SSL_DANE *dane = &s->dane; |
ed29e82a RP |
6117 | CT_POLICY_EVAL_CTX *ctx = NULL; |
6118 | const STACK_OF(SCT) *scts; | |
6119 | ||
43341433 VD |
6120 | /* |
6121 | * If no callback is set, the peer is anonymous, or its chain is invalid, | |
6122 | * skip SCT validation - just return success. Applications that continue | |
6123 | * handshakes without certificates, with unverified chains, or pinned leaf | |
6124 | * certificates are outside the scope of the WebPKI and CT. | |
6125 | * | |
6126 | * The above exclusions notwithstanding the vast majority of peers will | |
6127 | * have rather ordinary certificate chains validated by typical | |
6128 | * applications that perform certificate verification and therefore will | |
6129 | * process SCTs when enabled. | |
6130 | */ | |
6131 | if (s->ct_validation_callback == NULL || cert == NULL || | |
6132 | s->verify_result != X509_V_OK || | |
a230b26e | 6133 | s->verified_chain == NULL || sk_X509_num(s->verified_chain) <= 1) |
ed29e82a RP |
6134 | return 1; |
6135 | ||
43341433 VD |
6136 | /* |
6137 | * CT not applicable for chains validated via DANE-TA(2) or DANE-EE(3) | |
6138 | * trust-anchors. See https://tools.ietf.org/html/rfc7671#section-4.2 | |
6139 | */ | |
6140 | if (DANETLS_ENABLED(dane) && dane->mtlsa != NULL) { | |
6141 | switch (dane->mtlsa->usage) { | |
6142 | case DANETLS_USAGE_DANE_TA: | |
6143 | case DANETLS_USAGE_DANE_EE: | |
6144 | return 1; | |
6145 | } | |
ed29e82a RP |
6146 | } |
6147 | ||
38b051a1 TM |
6148 | ctx = CT_POLICY_EVAL_CTX_new_ex(SSL_CONNECTION_GET_CTX(s)->libctx, |
6149 | SSL_CONNECTION_GET_CTX(s)->propq); | |
ed29e82a | 6150 | if (ctx == NULL) { |
e077455e | 6151 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CT_LIB); |
ed29e82a RP |
6152 | goto end; |
6153 | } | |
6154 | ||
43341433 | 6155 | issuer = sk_X509_value(s->verified_chain, 1); |
a1bb7708 RP |
6156 | CT_POLICY_EVAL_CTX_set1_cert(ctx, cert); |
6157 | CT_POLICY_EVAL_CTX_set1_issuer(ctx, issuer); | |
38b051a1 TM |
6158 | CT_POLICY_EVAL_CTX_set_shared_CTLOG_STORE(ctx, |
6159 | SSL_CONNECTION_GET_CTX(s)->ctlog_store); | |
6a71e06d | 6160 | CT_POLICY_EVAL_CTX_set_time( |
38b051a1 | 6161 | ctx, (uint64_t)SSL_SESSION_get_time(s->session) * 1000); |
ed29e82a | 6162 | |
38b051a1 | 6163 | scts = SSL_get0_peer_scts(SSL_CONNECTION_GET_SSL(s)); |
ed29e82a | 6164 | |
43341433 VD |
6165 | /* |
6166 | * This function returns success (> 0) only when all the SCTs are valid, 0 | |
6167 | * when some are invalid, and < 0 on various internal errors (out of | |
6168 | * memory, etc.). Having some, or even all, invalid SCTs is not sufficient | |
6169 | * reason to abort the handshake, that decision is up to the callback. | |
6170 | * Therefore, we error out only in the unexpected case that the return | |
6171 | * value is negative. | |
6172 | * | |
6173 | * XXX: One might well argue that the return value of this function is an | |
f430ba31 | 6174 | * unfortunate design choice. Its job is only to determine the validation |
43341433 VD |
6175 | * status of each of the provided SCTs. So long as it correctly separates |
6176 | * the wheat from the chaff it should return success. Failure in this case | |
6177 | * ought to correspond to an inability to carry out its duties. | |
6178 | */ | |
6179 | if (SCT_LIST_validate(scts, ctx) < 0) { | |
c48ffbcc | 6180 | SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_SCT_VERIFICATION_FAILED); |
ed29e82a RP |
6181 | goto end; |
6182 | } | |
6183 | ||
6184 | ret = s->ct_validation_callback(ctx, scts, s->ct_validation_callback_arg); | |
6185 | if (ret < 0) | |
a230b26e | 6186 | ret = 0; /* This function returns 0 on failure */ |
f63a17d6 | 6187 | if (!ret) |
c48ffbcc | 6188 | SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_CALLBACK_FAILED); |
ed29e82a | 6189 | |
a230b26e | 6190 | end: |
ed29e82a | 6191 | CT_POLICY_EVAL_CTX_free(ctx); |
f75b34c8 VD |
6192 | /* |
6193 | * With SSL_VERIFY_NONE the session may be cached and re-used despite a | |
6194 | * failure return code here. Also the application may wish the complete | |
6195 | * the handshake, and then disconnect cleanly at a higher layer, after | |
6196 | * checking the verification status of the completed connection. | |
6197 | * | |
6198 | * We therefore force a certificate verification failure which will be | |
6199 | * visible via SSL_get_verify_result() and cached as part of any resumed | |
6200 | * session. | |
6201 | * | |
6202 | * Note: the permissive callback is for information gathering only, always | |
6203 | * returns success, and does not affect verification status. Only the | |
6204 | * strict callback or a custom application-specified callback can trigger | |
6205 | * connection failure or record a verification error. | |
6206 | */ | |
6207 | if (ret <= 0) | |
6208 | s->verify_result = X509_V_ERR_NO_VALID_SCTS; | |
ed29e82a RP |
6209 | return ret; |
6210 | } | |
6211 | ||
43341433 VD |
6212 | int SSL_CTX_enable_ct(SSL_CTX *ctx, int validation_mode) |
6213 | { | |
6214 | switch (validation_mode) { | |
6215 | default: | |
6849b73c | 6216 | ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_CT_VALIDATION_TYPE); |
43341433 VD |
6217 | return 0; |
6218 | case SSL_CT_VALIDATION_PERMISSIVE: | |
6219 | return SSL_CTX_set_ct_validation_callback(ctx, ct_permissive, NULL); | |
6220 | case SSL_CT_VALIDATION_STRICT: | |
6221 | return SSL_CTX_set_ct_validation_callback(ctx, ct_strict, NULL); | |
6222 | } | |
6223 | } | |
6224 | ||
6225 | int SSL_enable_ct(SSL *s, int validation_mode) | |
6226 | { | |
6227 | switch (validation_mode) { | |
6228 | default: | |
6849b73c | 6229 | ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_CT_VALIDATION_TYPE); |
43341433 VD |
6230 | return 0; |
6231 | case SSL_CT_VALIDATION_PERMISSIVE: | |
6232 | return SSL_set_ct_validation_callback(s, ct_permissive, NULL); | |
6233 | case SSL_CT_VALIDATION_STRICT: | |
6234 | return SSL_set_ct_validation_callback(s, ct_strict, NULL); | |
6235 | } | |
6236 | } | |
6237 | ||
ed29e82a RP |
6238 | int SSL_CTX_set_default_ctlog_list_file(SSL_CTX *ctx) |
6239 | { | |
328f36c5 | 6240 | return CTLOG_STORE_load_default_file(ctx->ctlog_store); |
ed29e82a RP |
6241 | } |
6242 | ||
6243 | int SSL_CTX_set_ctlog_list_file(SSL_CTX *ctx, const char *path) | |
6244 | { | |
6245 | return CTLOG_STORE_load_file(ctx->ctlog_store, path); | |
6246 | } | |
6247 | ||
a230b26e | 6248 | void SSL_CTX_set0_ctlog_store(SSL_CTX *ctx, CTLOG_STORE * logs) |
8359b57f RP |
6249 | { |
6250 | CTLOG_STORE_free(ctx->ctlog_store); | |
6251 | ctx->ctlog_store = logs; | |
6252 | } | |
6253 | ||
6254 | const CTLOG_STORE *SSL_CTX_get0_ctlog_store(const SSL_CTX *ctx) | |
6255 | { | |
6256 | return ctx->ctlog_store; | |
6257 | } | |
6258 | ||
6b1bb98f BK |
6259 | #endif /* OPENSSL_NO_CT */ |
6260 | ||
a9c0d8be DB |
6261 | void SSL_CTX_set_client_hello_cb(SSL_CTX *c, SSL_client_hello_cb_fn cb, |
6262 | void *arg) | |
6b1bb98f | 6263 | { |
a9c0d8be DB |
6264 | c->client_hello_cb = cb; |
6265 | c->client_hello_cb_arg = arg; | |
6b1bb98f BK |
6266 | } |
6267 | ||
a9c0d8be | 6268 | int SSL_client_hello_isv2(SSL *s) |
6b1bb98f | 6269 | { |
38b051a1 TM |
6270 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6271 | ||
6272 | if (sc == NULL) | |
6273 | return 0; | |
6274 | ||
6275 | if (sc->clienthello == NULL) | |
6b1bb98f | 6276 | return 0; |
38b051a1 | 6277 | return sc->clienthello->isv2; |
6b1bb98f BK |
6278 | } |
6279 | ||
a9c0d8be | 6280 | unsigned int SSL_client_hello_get0_legacy_version(SSL *s) |
6b1bb98f | 6281 | { |
38b051a1 TM |
6282 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6283 | ||
6284 | if (sc == NULL) | |
6285 | return 0; | |
6286 | ||
6287 | if (sc->clienthello == NULL) | |
6b1bb98f | 6288 | return 0; |
38b051a1 | 6289 | return sc->clienthello->legacy_version; |
6b1bb98f BK |
6290 | } |
6291 | ||
a9c0d8be | 6292 | size_t SSL_client_hello_get0_random(SSL *s, const unsigned char **out) |
6b1bb98f | 6293 | { |
38b051a1 TM |
6294 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6295 | ||
6296 | if (sc == NULL) | |
6297 | return 0; | |
6298 | ||
6299 | if (sc->clienthello == NULL) | |
6b1bb98f BK |
6300 | return 0; |
6301 | if (out != NULL) | |
38b051a1 | 6302 | *out = sc->clienthello->random; |
6b1bb98f BK |
6303 | return SSL3_RANDOM_SIZE; |
6304 | } | |
6305 | ||
a9c0d8be | 6306 | size_t SSL_client_hello_get0_session_id(SSL *s, const unsigned char **out) |
6b1bb98f | 6307 | { |
38b051a1 TM |
6308 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6309 | ||
6310 | if (sc == NULL) | |
6311 | return 0; | |
6312 | ||
6313 | if (sc->clienthello == NULL) | |
6b1bb98f BK |
6314 | return 0; |
6315 | if (out != NULL) | |
38b051a1 TM |
6316 | *out = sc->clienthello->session_id; |
6317 | return sc->clienthello->session_id_len; | |
6b1bb98f BK |
6318 | } |
6319 | ||
a9c0d8be | 6320 | size_t SSL_client_hello_get0_ciphers(SSL *s, const unsigned char **out) |
6b1bb98f | 6321 | { |
38b051a1 TM |
6322 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6323 | ||
6324 | if (sc == NULL) | |
6325 | return 0; | |
6326 | ||
6327 | if (sc->clienthello == NULL) | |
6b1bb98f BK |
6328 | return 0; |
6329 | if (out != NULL) | |
38b051a1 TM |
6330 | *out = PACKET_data(&sc->clienthello->ciphersuites); |
6331 | return PACKET_remaining(&sc->clienthello->ciphersuites); | |
6b1bb98f BK |
6332 | } |
6333 | ||
a9c0d8be | 6334 | size_t SSL_client_hello_get0_compression_methods(SSL *s, const unsigned char **out) |
6b1bb98f | 6335 | { |
38b051a1 TM |
6336 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6337 | ||
6338 | if (sc == NULL) | |
6339 | return 0; | |
6340 | ||
6341 | if (sc->clienthello == NULL) | |
6b1bb98f BK |
6342 | return 0; |
6343 | if (out != NULL) | |
38b051a1 TM |
6344 | *out = sc->clienthello->compressions; |
6345 | return sc->clienthello->compressions_len; | |
6b1bb98f BK |
6346 | } |
6347 | ||
a9c0d8be | 6348 | int SSL_client_hello_get1_extensions_present(SSL *s, int **out, size_t *outlen) |
193b5d76 BK |
6349 | { |
6350 | RAW_EXTENSION *ext; | |
6351 | int *present; | |
6352 | size_t num = 0, i; | |
38b051a1 | 6353 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
193b5d76 | 6354 | |
38b051a1 | 6355 | if (sc == NULL) |
193b5d76 | 6356 | return 0; |
38b051a1 TM |
6357 | |
6358 | if (sc->clienthello == NULL || out == NULL || outlen == NULL) | |
6359 | return 0; | |
6360 | for (i = 0; i < sc->clienthello->pre_proc_exts_len; i++) { | |
6361 | ext = sc->clienthello->pre_proc_exts + i; | |
193b5d76 BK |
6362 | if (ext->present) |
6363 | num++; | |
6364 | } | |
6fda11ae | 6365 | if (num == 0) { |
6366 | *out = NULL; | |
6367 | *outlen = 0; | |
6368 | return 1; | |
6369 | } | |
e077455e | 6370 | if ((present = OPENSSL_malloc(sizeof(*present) * num)) == NULL) |
193b5d76 | 6371 | return 0; |
38b051a1 TM |
6372 | for (i = 0; i < sc->clienthello->pre_proc_exts_len; i++) { |
6373 | ext = sc->clienthello->pre_proc_exts + i; | |
193b5d76 BK |
6374 | if (ext->present) { |
6375 | if (ext->received_order >= num) | |
6376 | goto err; | |
6377 | present[ext->received_order] = ext->type; | |
6378 | } | |
6379 | } | |
6380 | *out = present; | |
6381 | *outlen = num; | |
6382 | return 1; | |
6383 | err: | |
6384 | OPENSSL_free(present); | |
6385 | return 0; | |
6386 | } | |
6387 | ||
13a53fbf PL |
6388 | int SSL_client_hello_get_extension_order(SSL *s, uint16_t *exts, size_t *num_exts) |
6389 | { | |
6390 | RAW_EXTENSION *ext; | |
6391 | size_t num = 0, i; | |
38b051a1 TM |
6392 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6393 | ||
6394 | if (sc == NULL) | |
6395 | return 0; | |
13a53fbf | 6396 | |
38b051a1 | 6397 | if (sc->clienthello == NULL || num_exts == NULL) |
13a53fbf | 6398 | return 0; |
38b051a1 TM |
6399 | for (i = 0; i < sc->clienthello->pre_proc_exts_len; i++) { |
6400 | ext = sc->clienthello->pre_proc_exts + i; | |
13a53fbf PL |
6401 | if (ext->present) |
6402 | num++; | |
6403 | } | |
6404 | if (num == 0) { | |
6405 | *num_exts = 0; | |
6406 | return 1; | |
6407 | } | |
6408 | if (exts == NULL) { | |
6409 | *num_exts = num; | |
6410 | return 1; | |
6411 | } | |
6412 | if (*num_exts < num) | |
6413 | return 0; | |
38b051a1 TM |
6414 | for (i = 0; i < sc->clienthello->pre_proc_exts_len; i++) { |
6415 | ext = sc->clienthello->pre_proc_exts + i; | |
13a53fbf PL |
6416 | if (ext->present) { |
6417 | if (ext->received_order >= num) | |
6418 | return 0; | |
6419 | exts[ext->received_order] = ext->type; | |
6420 | } | |
6421 | } | |
6422 | *num_exts = num; | |
6423 | return 1; | |
6424 | } | |
6425 | ||
a9c0d8be | 6426 | int SSL_client_hello_get0_ext(SSL *s, unsigned int type, const unsigned char **out, |
6b1bb98f BK |
6427 | size_t *outlen) |
6428 | { | |
6429 | size_t i; | |
6430 | RAW_EXTENSION *r; | |
38b051a1 | 6431 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6b1bb98f | 6432 | |
38b051a1 | 6433 | if (sc == NULL) |
6b1bb98f | 6434 | return 0; |
38b051a1 TM |
6435 | |
6436 | if (sc->clienthello == NULL) | |
6437 | return 0; | |
6438 | for (i = 0; i < sc->clienthello->pre_proc_exts_len; ++i) { | |
6439 | r = sc->clienthello->pre_proc_exts + i; | |
6b1bb98f BK |
6440 | if (r->present && r->type == type) { |
6441 | if (out != NULL) | |
6442 | *out = PACKET_data(&r->data); | |
6443 | if (outlen != NULL) | |
6444 | *outlen = PACKET_remaining(&r->data); | |
6445 | return 1; | |
6446 | } | |
6447 | } | |
6448 | return 0; | |
6449 | } | |
2faa1b48 | 6450 | |
a58eb06d TS |
6451 | int SSL_free_buffers(SSL *ssl) |
6452 | { | |
38b051a1 TM |
6453 | RECORD_LAYER *rl; |
6454 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); | |
6455 | ||
6456 | if (sc == NULL) | |
6457 | return 0; | |
6458 | ||
6459 | rl = &sc->rlayer; | |
a58eb06d | 6460 | |
7eb39ecb MC |
6461 | return rl->rrlmethod->free_buffers(rl->rrl) |
6462 | && rl->wrlmethod->free_buffers(rl->wrl); | |
a58eb06d TS |
6463 | } |
6464 | ||
6465 | int SSL_alloc_buffers(SSL *ssl) | |
6466 | { | |
7eb39ecb | 6467 | RECORD_LAYER *rl; |
38b051a1 TM |
6468 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
6469 | ||
6470 | if (sc == NULL) | |
6471 | return 0; | |
6472 | ||
7eb39ecb MC |
6473 | rl = &sc->rlayer; |
6474 | ||
6475 | return rl->rrlmethod->alloc_buffers(rl->rrl) | |
6476 | && rl->wrlmethod->alloc_buffers(rl->wrl); | |
a58eb06d TS |
6477 | } |
6478 | ||
2faa1b48 CB |
6479 | void SSL_CTX_set_keylog_callback(SSL_CTX *ctx, SSL_CTX_keylog_cb_func cb) |
6480 | { | |
6481 | ctx->keylog_callback = cb; | |
6482 | } | |
6483 | ||
6484 | SSL_CTX_keylog_cb_func SSL_CTX_get_keylog_callback(const SSL_CTX *ctx) | |
6485 | { | |
6486 | return ctx->keylog_callback; | |
6487 | } | |
6488 | ||
6489 | static int nss_keylog_int(const char *prefix, | |
38b051a1 | 6490 | SSL_CONNECTION *sc, |
2faa1b48 CB |
6491 | const uint8_t *parameter_1, |
6492 | size_t parameter_1_len, | |
6493 | const uint8_t *parameter_2, | |
6494 | size_t parameter_2_len) | |
6495 | { | |
6496 | char *out = NULL; | |
6497 | char *cursor = NULL; | |
6498 | size_t out_len = 0; | |
6499 | size_t i; | |
6500 | size_t prefix_len; | |
38b051a1 | 6501 | SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(sc); |
2faa1b48 | 6502 | |
38b051a1 | 6503 | if (sctx->keylog_callback == NULL) |
20870286 | 6504 | return 1; |
2faa1b48 CB |
6505 | |
6506 | /* | |
6507 | * Our output buffer will contain the following strings, rendered with | |
6508 | * space characters in between, terminated by a NULL character: first the | |
6509 | * prefix, then the first parameter, then the second parameter. The | |
6510 | * meaning of each parameter depends on the specific key material being | |
6511 | * logged. Note that the first and second parameters are encoded in | |
6512 | * hexadecimal, so we need a buffer that is twice their lengths. | |
6513 | */ | |
6514 | prefix_len = strlen(prefix); | |
e931f370 | 6515 | out_len = prefix_len + (2 * parameter_1_len) + (2 * parameter_2_len) + 3; |
e077455e | 6516 | if ((out = cursor = OPENSSL_malloc(out_len)) == NULL) |
2faa1b48 | 6517 | return 0; |
2faa1b48 CB |
6518 | |
6519 | strcpy(cursor, prefix); | |
6520 | cursor += prefix_len; | |
6521 | *cursor++ = ' '; | |
6522 | ||
6523 | for (i = 0; i < parameter_1_len; i++) { | |
6524 | sprintf(cursor, "%02x", parameter_1[i]); | |
6525 | cursor += 2; | |
6526 | } | |
6527 | *cursor++ = ' '; | |
6528 | ||
6529 | for (i = 0; i < parameter_2_len; i++) { | |
6530 | sprintf(cursor, "%02x", parameter_2[i]); | |
6531 | cursor += 2; | |
6532 | } | |
6533 | *cursor = '\0'; | |
6534 | ||
38b051a1 | 6535 | sctx->keylog_callback(SSL_CONNECTION_GET_SSL(sc), (const char *)out); |
e931f370 | 6536 | OPENSSL_clear_free(out, out_len); |
2faa1b48 CB |
6537 | return 1; |
6538 | ||
6539 | } | |
6540 | ||
38b051a1 | 6541 | int ssl_log_rsa_client_key_exchange(SSL_CONNECTION *sc, |
2faa1b48 CB |
6542 | const uint8_t *encrypted_premaster, |
6543 | size_t encrypted_premaster_len, | |
6544 | const uint8_t *premaster, | |
6545 | size_t premaster_len) | |
6546 | { | |
6547 | if (encrypted_premaster_len < 8) { | |
38b051a1 | 6548 | SSLfatal(sc, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); |
2faa1b48 CB |
6549 | return 0; |
6550 | } | |
6551 | ||
f0deb4d3 | 6552 | /* We only want the first 8 bytes of the encrypted premaster as a tag. */ |
2faa1b48 | 6553 | return nss_keylog_int("RSA", |
38b051a1 | 6554 | sc, |
2faa1b48 | 6555 | encrypted_premaster, |
f0deb4d3 | 6556 | 8, |
2faa1b48 CB |
6557 | premaster, |
6558 | premaster_len); | |
6559 | } | |
6560 | ||
38b051a1 | 6561 | int ssl_log_secret(SSL_CONNECTION *sc, |
2c7bd692 CB |
6562 | const char *label, |
6563 | const uint8_t *secret, | |
6564 | size_t secret_len) | |
2faa1b48 | 6565 | { |
2c7bd692 | 6566 | return nss_keylog_int(label, |
38b051a1 TM |
6567 | sc, |
6568 | sc->s3.client_random, | |
2c7bd692 CB |
6569 | SSL3_RANDOM_SIZE, |
6570 | secret, | |
6571 | secret_len); | |
2faa1b48 CB |
6572 | } |
6573 | ||
ccb8e6e0 BK |
6574 | #define SSLV2_CIPHER_LEN 3 |
6575 | ||
38b051a1 | 6576 | int ssl_cache_cipherlist(SSL_CONNECTION *s, PACKET *cipher_suites, int sslv2format) |
ccb8e6e0 | 6577 | { |
ccb8e6e0 | 6578 | int n; |
ccb8e6e0 BK |
6579 | |
6580 | n = sslv2format ? SSLV2_CIPHER_LEN : TLS_CIPHER_LEN; | |
6581 | ||
6582 | if (PACKET_remaining(cipher_suites) == 0) { | |
c48ffbcc | 6583 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_NO_CIPHERS_SPECIFIED); |
90134d98 | 6584 | return 0; |
ccb8e6e0 BK |
6585 | } |
6586 | ||
6587 | if (PACKET_remaining(cipher_suites) % n != 0) { | |
c48ffbcc | 6588 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST); |
90134d98 | 6589 | return 0; |
ccb8e6e0 BK |
6590 | } |
6591 | ||
555cbb32 TS |
6592 | OPENSSL_free(s->s3.tmp.ciphers_raw); |
6593 | s->s3.tmp.ciphers_raw = NULL; | |
6594 | s->s3.tmp.ciphers_rawlen = 0; | |
ccb8e6e0 BK |
6595 | |
6596 | if (sslv2format) { | |
6597 | size_t numciphers = PACKET_remaining(cipher_suites) / n; | |
6598 | PACKET sslv2ciphers = *cipher_suites; | |
6599 | unsigned int leadbyte; | |
6600 | unsigned char *raw; | |
6601 | ||
6602 | /* | |
6603 | * We store the raw ciphers list in SSLv3+ format so we need to do some | |
6604 | * preprocessing to convert the list first. If there are any SSLv2 only | |
6605 | * ciphersuites with a non-zero leading byte then we are going to | |
6606 | * slightly over allocate because we won't store those. But that isn't a | |
6607 | * problem. | |
6608 | */ | |
6609 | raw = OPENSSL_malloc(numciphers * TLS_CIPHER_LEN); | |
555cbb32 | 6610 | s->s3.tmp.ciphers_raw = raw; |
ccb8e6e0 | 6611 | if (raw == NULL) { |
e077455e | 6612 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB); |
f63a17d6 | 6613 | return 0; |
ccb8e6e0 | 6614 | } |
555cbb32 | 6615 | for (s->s3.tmp.ciphers_rawlen = 0; |
ccb8e6e0 BK |
6616 | PACKET_remaining(&sslv2ciphers) > 0; |
6617 | raw += TLS_CIPHER_LEN) { | |
6618 | if (!PACKET_get_1(&sslv2ciphers, &leadbyte) | |
6619 | || (leadbyte == 0 | |
6620 | && !PACKET_copy_bytes(&sslv2ciphers, raw, | |
6621 | TLS_CIPHER_LEN)) | |
6622 | || (leadbyte != 0 | |
6623 | && !PACKET_forward(&sslv2ciphers, TLS_CIPHER_LEN))) { | |
c48ffbcc | 6624 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_PACKET); |
555cbb32 TS |
6625 | OPENSSL_free(s->s3.tmp.ciphers_raw); |
6626 | s->s3.tmp.ciphers_raw = NULL; | |
6627 | s->s3.tmp.ciphers_rawlen = 0; | |
f63a17d6 | 6628 | return 0; |
ccb8e6e0 BK |
6629 | } |
6630 | if (leadbyte == 0) | |
555cbb32 | 6631 | s->s3.tmp.ciphers_rawlen += TLS_CIPHER_LEN; |
ccb8e6e0 | 6632 | } |
555cbb32 TS |
6633 | } else if (!PACKET_memdup(cipher_suites, &s->s3.tmp.ciphers_raw, |
6634 | &s->s3.tmp.ciphers_rawlen)) { | |
c48ffbcc | 6635 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); |
f63a17d6 | 6636 | return 0; |
ccb8e6e0 | 6637 | } |
90134d98 | 6638 | return 1; |
90134d98 BK |
6639 | } |
6640 | ||
6641 | int SSL_bytes_to_cipher_list(SSL *s, const unsigned char *bytes, size_t len, | |
6642 | int isv2format, STACK_OF(SSL_CIPHER) **sk, | |
6643 | STACK_OF(SSL_CIPHER) **scsvs) | |
6644 | { | |
90134d98 | 6645 | PACKET pkt; |
38b051a1 TM |
6646 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6647 | ||
6648 | if (sc == NULL) | |
6649 | return 0; | |
90134d98 BK |
6650 | |
6651 | if (!PACKET_buf_init(&pkt, bytes, len)) | |
6652 | return 0; | |
38b051a1 | 6653 | return ossl_bytes_to_cipher_list(sc, &pkt, sk, scsvs, isv2format, 0); |
90134d98 BK |
6654 | } |
6655 | ||
38b051a1 TM |
6656 | int ossl_bytes_to_cipher_list(SSL_CONNECTION *s, PACKET *cipher_suites, |
6657 | STACK_OF(SSL_CIPHER) **skp, | |
6658 | STACK_OF(SSL_CIPHER) **scsvs_out, | |
6659 | int sslv2format, int fatal) | |
90134d98 BK |
6660 | { |
6661 | const SSL_CIPHER *c; | |
6662 | STACK_OF(SSL_CIPHER) *sk = NULL; | |
6663 | STACK_OF(SSL_CIPHER) *scsvs = NULL; | |
6664 | int n; | |
6665 | /* 3 = SSLV2_CIPHER_LEN > TLS_CIPHER_LEN = 2. */ | |
6666 | unsigned char cipher[SSLV2_CIPHER_LEN]; | |
6667 | ||
6668 | n = sslv2format ? SSLV2_CIPHER_LEN : TLS_CIPHER_LEN; | |
6669 | ||
6670 | if (PACKET_remaining(cipher_suites) == 0) { | |
f63a17d6 | 6671 | if (fatal) |
c48ffbcc | 6672 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_NO_CIPHERS_SPECIFIED); |
f63a17d6 | 6673 | else |
6849b73c | 6674 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_CIPHERS_SPECIFIED); |
90134d98 BK |
6675 | return 0; |
6676 | } | |
6677 | ||
6678 | if (PACKET_remaining(cipher_suites) % n != 0) { | |
f63a17d6 | 6679 | if (fatal) |
c48ffbcc | 6680 | SSLfatal(s, SSL_AD_DECODE_ERROR, |
f63a17d6 MC |
6681 | SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST); |
6682 | else | |
6849b73c | 6683 | ERR_raise(ERR_LIB_SSL, SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST); |
90134d98 BK |
6684 | return 0; |
6685 | } | |
6686 | ||
6687 | sk = sk_SSL_CIPHER_new_null(); | |
6688 | scsvs = sk_SSL_CIPHER_new_null(); | |
6689 | if (sk == NULL || scsvs == NULL) { | |
f63a17d6 | 6690 | if (fatal) |
e077455e | 6691 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB); |
f63a17d6 | 6692 | else |
e077455e | 6693 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
90134d98 BK |
6694 | goto err; |
6695 | } | |
ccb8e6e0 BK |
6696 | |
6697 | while (PACKET_copy_bytes(cipher_suites, cipher, n)) { | |
6698 | /* | |
6699 | * SSLv3 ciphers wrapped in an SSLv2-compatible ClientHello have the | |
6700 | * first byte set to zero, while true SSLv2 ciphers have a non-zero | |
6701 | * first byte. We don't support any true SSLv2 ciphers, so skip them. | |
6702 | */ | |
6703 | if (sslv2format && cipher[0] != '\0') | |
6704 | continue; | |
6705 | ||
ccb8e6e0 BK |
6706 | /* For SSLv2-compat, ignore leading 0-byte. */ |
6707 | c = ssl_get_cipher_by_char(s, sslv2format ? &cipher[1] : cipher, 1); | |
6708 | if (c != NULL) { | |
90134d98 BK |
6709 | if ((c->valid && !sk_SSL_CIPHER_push(sk, c)) || |
6710 | (!c->valid && !sk_SSL_CIPHER_push(scsvs, c))) { | |
f63a17d6 | 6711 | if (fatal) |
e077455e | 6712 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB); |
f63a17d6 | 6713 | else |
e077455e | 6714 | ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); |
ccb8e6e0 BK |
6715 | goto err; |
6716 | } | |
6717 | } | |
6718 | } | |
6719 | if (PACKET_remaining(cipher_suites) > 0) { | |
f63a17d6 | 6720 | if (fatal) |
c48ffbcc | 6721 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_LENGTH); |
f63a17d6 | 6722 | else |
6849b73c | 6723 | ERR_raise(ERR_LIB_SSL, SSL_R_BAD_LENGTH); |
ccb8e6e0 BK |
6724 | goto err; |
6725 | } | |
6726 | ||
90134d98 BK |
6727 | if (skp != NULL) |
6728 | *skp = sk; | |
6729 | else | |
6730 | sk_SSL_CIPHER_free(sk); | |
6731 | if (scsvs_out != NULL) | |
6732 | *scsvs_out = scsvs; | |
6733 | else | |
6734 | sk_SSL_CIPHER_free(scsvs); | |
6735 | return 1; | |
ccb8e6e0 BK |
6736 | err: |
6737 | sk_SSL_CIPHER_free(sk); | |
90134d98 BK |
6738 | sk_SSL_CIPHER_free(scsvs); |
6739 | return 0; | |
ccb8e6e0 | 6740 | } |
3fc8d856 MC |
6741 | |
6742 | int SSL_CTX_set_max_early_data(SSL_CTX *ctx, uint32_t max_early_data) | |
6743 | { | |
6744 | ctx->max_early_data = max_early_data; | |
6745 | ||
6746 | return 1; | |
6747 | } | |
6748 | ||
46dcb945 | 6749 | uint32_t SSL_CTX_get_max_early_data(const SSL_CTX *ctx) |
3fc8d856 MC |
6750 | { |
6751 | return ctx->max_early_data; | |
6752 | } | |
6753 | ||
6754 | int SSL_set_max_early_data(SSL *s, uint32_t max_early_data) | |
6755 | { | |
38b051a1 TM |
6756 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6757 | ||
6758 | if (sc == NULL) | |
6759 | return 0; | |
6760 | ||
6761 | sc->max_early_data = max_early_data; | |
3fc8d856 MC |
6762 | |
6763 | return 1; | |
6764 | } | |
6765 | ||
a8e75d56 | 6766 | uint32_t SSL_get_max_early_data(const SSL *s) |
3fc8d856 | 6767 | { |
38b051a1 TM |
6768 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
6769 | ||
6770 | if (sc == NULL) | |
6771 | return 0; | |
6772 | ||
6773 | return sc->max_early_data; | |
3fc8d856 | 6774 | } |
ae3947de | 6775 | |
4e8548e8 MC |
6776 | int SSL_CTX_set_recv_max_early_data(SSL_CTX *ctx, uint32_t recv_max_early_data) |
6777 | { | |
6778 | ctx->recv_max_early_data = recv_max_early_data; | |
6779 | ||
6780 | return 1; | |
6781 | } | |
6782 | ||
6783 | uint32_t SSL_CTX_get_recv_max_early_data(const SSL_CTX *ctx) | |
6784 | { | |
6785 | return ctx->recv_max_early_data; | |
6786 | } | |
6787 | ||
6788 | int SSL_set_recv_max_early_data(SSL *s, uint32_t recv_max_early_data) | |
6789 | { | |
38b051a1 TM |
6790 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6791 | ||
6792 | if (sc == NULL) | |
6793 | return 0; | |
6794 | ||
6795 | sc->recv_max_early_data = recv_max_early_data; | |
4e8548e8 MC |
6796 | |
6797 | return 1; | |
6798 | } | |
6799 | ||
6800 | uint32_t SSL_get_recv_max_early_data(const SSL *s) | |
6801 | { | |
38b051a1 TM |
6802 | const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); |
6803 | ||
6804 | if (sc == NULL) | |
6805 | return 0; | |
6806 | ||
6807 | return sc->recv_max_early_data; | |
4e8548e8 MC |
6808 | } |
6809 | ||
38b051a1 | 6810 | __owur unsigned int ssl_get_max_send_fragment(const SSL_CONNECTION *sc) |
cf72c757 F |
6811 | { |
6812 | /* Return any active Max Fragment Len extension */ | |
38b051a1 TM |
6813 | if (sc->session != NULL && USE_MAX_FRAGMENT_LENGTH_EXT(sc->session)) |
6814 | return GET_MAX_FRAGMENT_LENGTH(sc->session); | |
cf72c757 F |
6815 | |
6816 | /* return current SSL connection setting */ | |
38b051a1 | 6817 | return sc->max_send_fragment; |
cf72c757 F |
6818 | } |
6819 | ||
38b051a1 | 6820 | __owur unsigned int ssl_get_split_send_fragment(const SSL_CONNECTION *sc) |
cf72c757 F |
6821 | { |
6822 | /* Return a value regarding an active Max Fragment Len extension */ | |
38b051a1 TM |
6823 | if (sc->session != NULL && USE_MAX_FRAGMENT_LENGTH_EXT(sc->session) |
6824 | && sc->split_send_fragment > GET_MAX_FRAGMENT_LENGTH(sc->session)) | |
6825 | return GET_MAX_FRAGMENT_LENGTH(sc->session); | |
cf72c757 F |
6826 | |
6827 | /* else limit |split_send_fragment| to current |max_send_fragment| */ | |
38b051a1 TM |
6828 | if (sc->split_send_fragment > sc->max_send_fragment) |
6829 | return sc->max_send_fragment; | |
cf72c757 F |
6830 | |
6831 | /* return current SSL connection setting */ | |
38b051a1 | 6832 | return sc->split_send_fragment; |
cf72c757 | 6833 | } |
042c5753 MC |
6834 | |
6835 | int SSL_stateless(SSL *s) | |
6836 | { | |
6837 | int ret; | |
38b051a1 TM |
6838 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6839 | ||
6840 | /* TODO(QUIC): This will need further work. */ | |
6841 | if (sc == NULL) | |
6842 | return 0; | |
042c5753 MC |
6843 | |
6844 | /* Ensure there is no state left over from a previous invocation */ | |
6845 | if (!SSL_clear(s)) | |
d6bb50a5 | 6846 | return 0; |
042c5753 MC |
6847 | |
6848 | ERR_clear_error(); | |
6849 | ||
38b051a1 | 6850 | sc->s3.flags |= TLS1_FLAGS_STATELESS; |
042c5753 | 6851 | ret = SSL_accept(s); |
38b051a1 | 6852 | sc->s3.flags &= ~TLS1_FLAGS_STATELESS; |
042c5753 | 6853 | |
38b051a1 | 6854 | if (ret > 0 && sc->ext.cookieok) |
c36001c3 MC |
6855 | return 1; |
6856 | ||
38b051a1 | 6857 | if (sc->hello_retry_request == SSL_HRR_PENDING && !ossl_statem_in_error(sc)) |
e440f513 MC |
6858 | return 0; |
6859 | ||
6860 | return -1; | |
042c5753 | 6861 | } |
9d75dce3 | 6862 | |
e97be718 MC |
6863 | void SSL_CTX_set_post_handshake_auth(SSL_CTX *ctx, int val) |
6864 | { | |
6865 | ctx->pha_enabled = val; | |
6866 | } | |
6867 | ||
32097b33 | 6868 | void SSL_set_post_handshake_auth(SSL *ssl, int val) |
9d75dce3 | 6869 | { |
38b051a1 TM |
6870 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
6871 | ||
6872 | if (sc == NULL) | |
6873 | return; | |
6874 | ||
6875 | sc->pha_enabled = val; | |
9d75dce3 TS |
6876 | } |
6877 | ||
6878 | int SSL_verify_client_post_handshake(SSL *ssl) | |
6879 | { | |
38b051a1 TM |
6880 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); |
6881 | ||
6882 | if (sc == NULL) | |
6883 | return 0; | |
6884 | ||
6885 | if (!SSL_CONNECTION_IS_TLS13(sc)) { | |
6849b73c | 6886 | ERR_raise(ERR_LIB_SSL, SSL_R_WRONG_SSL_VERSION); |
9d75dce3 TS |
6887 | return 0; |
6888 | } | |
38b051a1 | 6889 | if (!sc->server) { |
6849b73c | 6890 | ERR_raise(ERR_LIB_SSL, SSL_R_NOT_SERVER); |
9d75dce3 TS |
6891 | return 0; |
6892 | } | |
6893 | ||
6894 | if (!SSL_is_init_finished(ssl)) { | |
6849b73c | 6895 | ERR_raise(ERR_LIB_SSL, SSL_R_STILL_IN_INIT); |
9d75dce3 TS |
6896 | return 0; |
6897 | } | |
6898 | ||
38b051a1 | 6899 | switch (sc->post_handshake_auth) { |
9d75dce3 | 6900 | case SSL_PHA_NONE: |
6849b73c | 6901 | ERR_raise(ERR_LIB_SSL, SSL_R_EXTENSION_NOT_RECEIVED); |
9d75dce3 TS |
6902 | return 0; |
6903 | default: | |
6904 | case SSL_PHA_EXT_SENT: | |
6849b73c | 6905 | ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR); |
9d75dce3 TS |
6906 | return 0; |
6907 | case SSL_PHA_EXT_RECEIVED: | |
6908 | break; | |
6909 | case SSL_PHA_REQUEST_PENDING: | |
6849b73c | 6910 | ERR_raise(ERR_LIB_SSL, SSL_R_REQUEST_PENDING); |
9d75dce3 TS |
6911 | return 0; |
6912 | case SSL_PHA_REQUESTED: | |
6849b73c | 6913 | ERR_raise(ERR_LIB_SSL, SSL_R_REQUEST_SENT); |
9d75dce3 TS |
6914 | return 0; |
6915 | } | |
6916 | ||
38b051a1 | 6917 | sc->post_handshake_auth = SSL_PHA_REQUEST_PENDING; |
9d75dce3 TS |
6918 | |
6919 | /* checks verify_mode and algorithm_auth */ | |
38b051a1 TM |
6920 | if (!send_certificate_request(sc)) { |
6921 | sc->post_handshake_auth = SSL_PHA_EXT_RECEIVED; /* restore on error */ | |
6849b73c | 6922 | ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_CONFIG); |
9d75dce3 TS |
6923 | return 0; |
6924 | } | |
6925 | ||
38b051a1 | 6926 | ossl_statem_set_in_init(sc, 1); |
9d75dce3 TS |
6927 | return 1; |
6928 | } | |
df0fed9a TS |
6929 | |
6930 | int SSL_CTX_set_session_ticket_cb(SSL_CTX *ctx, | |
6931 | SSL_CTX_generate_session_ticket_fn gen_cb, | |
6932 | SSL_CTX_decrypt_session_ticket_fn dec_cb, | |
6933 | void *arg) | |
6934 | { | |
6935 | ctx->generate_ticket_cb = gen_cb; | |
6936 | ctx->decrypt_ticket_cb = dec_cb; | |
6937 | ctx->ticket_cb_data = arg; | |
6938 | return 1; | |
6939 | } | |
c9598459 MC |
6940 | |
6941 | void SSL_CTX_set_allow_early_data_cb(SSL_CTX *ctx, | |
6942 | SSL_allow_early_data_cb_fn cb, | |
6943 | void *arg) | |
6944 | { | |
6945 | ctx->allow_early_data_cb = cb; | |
6946 | ctx->allow_early_data_cb_data = arg; | |
6947 | } | |
6948 | ||
6949 | void SSL_set_allow_early_data_cb(SSL *s, | |
6950 | SSL_allow_early_data_cb_fn cb, | |
6951 | void *arg) | |
6952 | { | |
38b051a1 TM |
6953 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
6954 | ||
6955 | if (sc == NULL) | |
6956 | return; | |
6957 | ||
6958 | sc->allow_early_data_cb = cb; | |
6959 | sc->allow_early_data_cb_data = arg; | |
c9598459 | 6960 | } |
c8f6c28a | 6961 | |
b4250010 | 6962 | const EVP_CIPHER *ssl_evp_cipher_fetch(OSSL_LIB_CTX *libctx, |
c8f6c28a MC |
6963 | int nid, |
6964 | const char *properties) | |
6965 | { | |
301fcb28 | 6966 | const EVP_CIPHER *ciph; |
5fcb97c6 | 6967 | |
301fcb28 MC |
6968 | ciph = tls_get_cipher_from_engine(nid); |
6969 | if (ciph != NULL) | |
6970 | return ciph; | |
0618b62c | 6971 | |
c8f6c28a | 6972 | /* |
301fcb28 MC |
6973 | * If there is no engine cipher then we do an explicit fetch. This may fail |
6974 | * and that could be ok | |
c8f6c28a | 6975 | */ |
5fcb97c6 MC |
6976 | ERR_set_mark(); |
6977 | ciph = EVP_CIPHER_fetch(libctx, OBJ_nid2sn(nid), properties); | |
6978 | ERR_pop_to_mark(); | |
6979 | return ciph; | |
c8f6c28a MC |
6980 | } |
6981 | ||
6982 | ||
6983 | int ssl_evp_cipher_up_ref(const EVP_CIPHER *cipher) | |
6984 | { | |
6985 | /* Don't up-ref an implicit EVP_CIPHER */ | |
ed576acd | 6986 | if (EVP_CIPHER_get0_provider(cipher) == NULL) |
c8f6c28a MC |
6987 | return 1; |
6988 | ||
6989 | /* | |
6990 | * The cipher was explicitly fetched and therefore it is safe to cast | |
6991 | * away the const | |
6992 | */ | |
6993 | return EVP_CIPHER_up_ref((EVP_CIPHER *)cipher); | |
6994 | } | |
6995 | ||
6996 | void ssl_evp_cipher_free(const EVP_CIPHER *cipher) | |
6997 | { | |
6998 | if (cipher == NULL) | |
6999 | return; | |
7000 | ||
ed576acd | 7001 | if (EVP_CIPHER_get0_provider(cipher) != NULL) { |
c8f6c28a MC |
7002 | /* |
7003 | * The cipher was explicitly fetched and therefore it is safe to cast | |
7004 | * away the const | |
7005 | */ | |
7006 | EVP_CIPHER_free((EVP_CIPHER *)cipher); | |
7007 | } | |
7008 | } | |
7009 | ||
b4250010 | 7010 | const EVP_MD *ssl_evp_md_fetch(OSSL_LIB_CTX *libctx, |
c8f6c28a MC |
7011 | int nid, |
7012 | const char *properties) | |
7013 | { | |
301fcb28 | 7014 | const EVP_MD *md; |
5fcb97c6 | 7015 | |
301fcb28 MC |
7016 | md = tls_get_digest_from_engine(nid); |
7017 | if (md != NULL) | |
7018 | return md; | |
c8f6c28a MC |
7019 | |
7020 | /* Otherwise we do an explicit fetch */ | |
5fcb97c6 MC |
7021 | ERR_set_mark(); |
7022 | md = EVP_MD_fetch(libctx, OBJ_nid2sn(nid), properties); | |
7023 | ERR_pop_to_mark(); | |
7024 | return md; | |
c8f6c28a MC |
7025 | } |
7026 | ||
7027 | int ssl_evp_md_up_ref(const EVP_MD *md) | |
7028 | { | |
7029 | /* Don't up-ref an implicit EVP_MD */ | |
ed576acd | 7030 | if (EVP_MD_get0_provider(md) == NULL) |
c8f6c28a MC |
7031 | return 1; |
7032 | ||
7033 | /* | |
7034 | * The digest was explicitly fetched and therefore it is safe to cast | |
7035 | * away the const | |
7036 | */ | |
7037 | return EVP_MD_up_ref((EVP_MD *)md); | |
7038 | } | |
7039 | ||
7040 | void ssl_evp_md_free(const EVP_MD *md) | |
7041 | { | |
7042 | if (md == NULL) | |
7043 | return; | |
7044 | ||
ed576acd | 7045 | if (EVP_MD_get0_provider(md) != NULL) { |
c8f6c28a MC |
7046 | /* |
7047 | * The digest was explicitly fetched and therefore it is safe to cast | |
7048 | * away the const | |
7049 | */ | |
7050 | EVP_MD_free((EVP_MD *)md); | |
7051 | } | |
7052 | } | |
163f6dc1 MC |
7053 | |
7054 | int SSL_set0_tmp_dh_pkey(SSL *s, EVP_PKEY *dhpkey) | |
7055 | { | |
38b051a1 TM |
7056 | SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); |
7057 | ||
7058 | if (sc == NULL) | |
7059 | return 0; | |
7060 | ||
7061 | if (!ssl_security(sc, SSL_SECOP_TMP_DH, | |
ed576acd | 7062 | EVP_PKEY_get_security_bits(dhpkey), 0, dhpkey)) { |
276d6c68 | 7063 | ERR_raise(ERR_LIB_SSL, SSL_R_DH_KEY_TOO_SMALL); |
163f6dc1 MC |
7064 | return 0; |
7065 | } | |
38b051a1 TM |
7066 | EVP_PKEY_free(sc->cert->dh_tmp); |
7067 | sc->cert->dh_tmp = dhpkey; | |
163f6dc1 MC |
7068 | return 1; |
7069 | } | |
7070 | ||
7071 | int SSL_CTX_set0_tmp_dh_pkey(SSL_CTX *ctx, EVP_PKEY *dhpkey) | |
7072 | { | |
7073 | if (!ssl_ctx_security(ctx, SSL_SECOP_TMP_DH, | |
ed576acd | 7074 | EVP_PKEY_get_security_bits(dhpkey), 0, dhpkey)) { |
276d6c68 | 7075 | ERR_raise(ERR_LIB_SSL, SSL_R_DH_KEY_TOO_SMALL); |
163f6dc1 MC |
7076 | return 0; |
7077 | } | |
7078 | EVP_PKEY_free(ctx->cert->dh_tmp); | |
7079 | ctx->cert->dh_tmp = dhpkey; | |
7080 | return 1; | |
7081 | } | |
68801bcb | 7082 | |
03bacce8 HL |
7083 | /* QUIC-specific methods which are supported on QUIC connections only. */ |
7084 | int SSL_tick(SSL *s) | |
7085 | { | |
7086 | SSL_CONNECTION *sc; | |
7087 | #ifndef OPENSSL_NO_QUIC | |
7088 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); | |
7089 | ||
7090 | if (qc != NULL) | |
7091 | return ossl_quic_tick(qc); | |
7092 | #endif | |
7093 | ||
7094 | sc = SSL_CONNECTION_FROM_SSL_ONLY(s); | |
7095 | if (sc != NULL && SSL_CONNECTION_IS_DTLS(sc)) | |
fbe2573d HL |
7096 | /* |
7097 | * DTLSv1_handle_timeout returns 0 if the timer wasn't expired yet, | |
7098 | * which we consider a success case. Theoretically DTLSv1_handle_timeout | |
7099 | * can also return 0 if s is NULL or not a DTLS object, but we've | |
7100 | * already ruled out those possibilities above, so this is not possible | |
7101 | * here. Thus the only failure cases are where DTLSv1_handle_timeout | |
7102 | * returns -1. | |
7103 | */ | |
7104 | return DTLSv1_handle_timeout(s) >= 0; | |
03bacce8 | 7105 | |
fbe2573d | 7106 | return 1; |
03bacce8 HL |
7107 | } |
7108 | ||
7109 | int SSL_get_tick_timeout(SSL *s, struct timeval *tv) | |
7110 | { | |
7111 | SSL_CONNECTION *sc; | |
7112 | #ifndef OPENSSL_NO_QUIC | |
7113 | QUIC_CONNECTION *qc; | |
7114 | ||
7115 | qc = QUIC_CONNECTION_FROM_SSL(s); | |
7116 | if (qc != NULL) | |
7117 | return ossl_quic_get_tick_timeout(qc, tv); | |
7118 | #endif | |
7119 | ||
7120 | sc = SSL_CONNECTION_FROM_SSL_ONLY(s); | |
fbe2573d HL |
7121 | if (sc != NULL && SSL_CONNECTION_IS_DTLS(sc) |
7122 | && DTLSv1_get_timeout(s, tv)) | |
03bacce8 | 7123 | return 1; |
03bacce8 | 7124 | |
fbe2573d HL |
7125 | tv->tv_sec = -1; |
7126 | tv->tv_usec = 0; | |
7127 | return 1; | |
03bacce8 HL |
7128 | } |
7129 | ||
68801bcb HL |
7130 | int SSL_get_rpoll_descriptor(SSL *s, BIO_POLL_DESCRIPTOR *desc) |
7131 | { | |
7132 | #ifndef OPENSSL_NO_QUIC | |
7133 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); | |
7134 | ||
7135 | if (qc == NULL) | |
7136 | return -1; | |
7137 | ||
03bacce8 | 7138 | return ossl_quic_get_rpoll_descriptor(qc, desc); |
68801bcb HL |
7139 | #else |
7140 | return -1; | |
7141 | #endif | |
7142 | } | |
7143 | ||
7144 | int SSL_get_wpoll_descriptor(SSL *s, BIO_POLL_DESCRIPTOR *desc) | |
7145 | { | |
7146 | #ifndef OPENSSL_NO_QUIC | |
7147 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); | |
7148 | ||
7149 | if (qc == NULL) | |
7150 | return -1; | |
7151 | ||
03bacce8 HL |
7152 | return ossl_quic_get_wpoll_descriptor(qc, desc); |
7153 | #else | |
7154 | return -1; | |
7155 | #endif | |
7156 | } | |
7157 | ||
b639475a | 7158 | int SSL_net_read_desired(SSL *s) |
03bacce8 HL |
7159 | { |
7160 | #ifndef OPENSSL_NO_QUIC | |
7161 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); | |
7162 | ||
7163 | if (qc == NULL) | |
7164 | return 0; | |
7165 | ||
b639475a | 7166 | return ossl_quic_get_net_read_desired(qc); |
03bacce8 HL |
7167 | #else |
7168 | return 0; | |
7169 | #endif | |
7170 | } | |
7171 | ||
b639475a | 7172 | int SSL_net_write_desired(SSL *s) |
03bacce8 HL |
7173 | { |
7174 | #ifndef OPENSSL_NO_QUIC | |
7175 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); | |
7176 | ||
7177 | if (qc == NULL) | |
7178 | return 0; | |
7179 | ||
b639475a | 7180 | return ossl_quic_get_net_write_desired(qc); |
03bacce8 HL |
7181 | #else |
7182 | return 0; | |
7183 | #endif | |
7184 | } | |
7185 | ||
7186 | int SSL_set_blocking_mode(SSL *s, int blocking) | |
7187 | { | |
7188 | #ifndef OPENSSL_NO_QUIC | |
7189 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); | |
7190 | ||
7191 | if (qc == NULL) | |
7192 | return 0; | |
7193 | ||
7194 | return ossl_quic_conn_set_blocking_mode(qc, blocking); | |
7195 | #else | |
7196 | return 0; | |
7197 | #endif | |
7198 | } | |
7199 | ||
7200 | int SSL_get_blocking_mode(SSL *s) | |
7201 | { | |
7202 | #ifndef OPENSSL_NO_QUIC | |
7203 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); | |
7204 | ||
7205 | if (qc == NULL) | |
7206 | return -1; | |
7207 | ||
7208 | return ossl_quic_conn_get_blocking_mode(qc); | |
7209 | #else | |
7210 | return -1; | |
7211 | #endif | |
7212 | } | |
7213 | ||
7214 | int SSL_set_initial_peer_addr(SSL *s, const BIO_ADDR *peer_addr) | |
7215 | { | |
7216 | #ifndef OPENSSL_NO_QUIC | |
7217 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(s); | |
7218 | ||
7219 | if (qc == NULL) | |
e8043229 | 7220 | return 0; |
03bacce8 HL |
7221 | |
7222 | return ossl_quic_conn_set_initial_peer_addr(qc, peer_addr); | |
68801bcb | 7223 | #else |
e8043229 HL |
7224 | return 0; |
7225 | #endif | |
7226 | } | |
7227 | ||
7228 | int SSL_shutdown_ex(SSL *ssl, uint64_t flags, | |
7229 | const SSL_SHUTDOWN_EX_ARGS *args, | |
7230 | size_t args_len) | |
7231 | { | |
7232 | #ifndef OPENSSL_NO_QUIC | |
7233 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(ssl); | |
7234 | ||
7235 | if (qc == NULL) | |
7236 | return SSL_shutdown(ssl); | |
7237 | ||
7238 | return ossl_quic_conn_shutdown(qc, flags, args, args_len); | |
7239 | #else | |
7240 | return SSL_shutdown(ssl); | |
68801bcb HL |
7241 | #endif |
7242 | } | |
a9979965 HL |
7243 | |
7244 | int SSL_stream_conclude(SSL *ssl, uint64_t flags) | |
7245 | { | |
7246 | #ifndef OPENSSL_NO_QUIC | |
7247 | QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(ssl); | |
7248 | ||
7249 | if (qc == NULL) | |
7250 | return 0; | |
7251 | ||
7252 | return ossl_quic_conn_stream_conclude(qc); | |
7253 | #else | |
7254 | return 0; | |
7255 | #endif | |
7256 | } |