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0f113f3e | 1 | /* |
33388b44 | 2 | * Copyright 1995-2020 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" |
7c3a7561 | 14 | #include "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> |
67dc995e | 24 | #include "internal/cryptlib.h" |
cd420b0b | 25 | #include "internal/refcount.h" |
50ec7505 | 26 | #include "internal/ktls.h" |
0f113f3e | 27 | |
ec27e619 MC |
28 | static int ssl_undefined_function_1(SSL *ssl, SSL3_RECORD *r, size_t s, int t, |
29 | SSL_MAC_BUF *mac, size_t macsize) | |
fce78bd4 | 30 | { |
fce78bd4 BE |
31 | return ssl_undefined_function(ssl); |
32 | } | |
33 | ||
34 | static int ssl_undefined_function_2(SSL *ssl, SSL3_RECORD *r, unsigned char *s, | |
35 | int t) | |
36 | { | |
fce78bd4 BE |
37 | return ssl_undefined_function(ssl); |
38 | } | |
39 | ||
40 | static int ssl_undefined_function_3(SSL *ssl, unsigned char *r, | |
41 | unsigned char *s, size_t t, size_t *u) | |
42 | { | |
fce78bd4 BE |
43 | return ssl_undefined_function(ssl); |
44 | } | |
45 | ||
46 | static int ssl_undefined_function_4(SSL *ssl, int r) | |
47 | { | |
fce78bd4 BE |
48 | return ssl_undefined_function(ssl); |
49 | } | |
50 | ||
51 | static size_t ssl_undefined_function_5(SSL *ssl, const char *r, size_t s, | |
52 | unsigned char *t) | |
53 | { | |
fce78bd4 BE |
54 | return ssl_undefined_function(ssl); |
55 | } | |
56 | ||
57 | static int ssl_undefined_function_6(int r) | |
58 | { | |
fce78bd4 BE |
59 | return ssl_undefined_function(NULL); |
60 | } | |
61 | ||
62 | static int ssl_undefined_function_7(SSL *ssl, unsigned char *r, size_t s, | |
63 | const char *t, size_t u, | |
64 | const unsigned char *v, size_t w, int x) | |
65 | { | |
fce78bd4 BE |
66 | return ssl_undefined_function(ssl); |
67 | } | |
68 | ||
0f113f3e | 69 | SSL3_ENC_METHOD ssl3_undef_enc_method = { |
fce78bd4 BE |
70 | ssl_undefined_function_1, |
71 | ssl_undefined_function_2, | |
0f113f3e | 72 | ssl_undefined_function, |
fce78bd4 BE |
73 | ssl_undefined_function_3, |
74 | ssl_undefined_function_4, | |
75 | ssl_undefined_function_5, | |
0f113f3e MC |
76 | NULL, /* client_finished_label */ |
77 | 0, /* client_finished_label_len */ | |
78 | NULL, /* server_finished_label */ | |
79 | 0, /* server_finished_label_len */ | |
fce78bd4 BE |
80 | ssl_undefined_function_6, |
81 | ssl_undefined_function_7, | |
0f113f3e | 82 | }; |
d02b48c6 | 83 | |
07bbc92c MC |
84 | struct ssl_async_args { |
85 | SSL *s; | |
86 | void *buf; | |
348240c6 | 87 | size_t num; |
a230b26e | 88 | enum { READFUNC, WRITEFUNC, OTHERFUNC } type; |
add2f5ca | 89 | union { |
eda75751 | 90 | int (*func_read) (SSL *, void *, size_t, size_t *); |
7ee8627f | 91 | int (*func_write) (SSL *, const void *, size_t, size_t *); |
a230b26e | 92 | int (*func_other) (SSL *); |
add2f5ca | 93 | } f; |
07bbc92c MC |
94 | }; |
95 | ||
919ba009 VD |
96 | static const struct { |
97 | uint8_t mtype; | |
98 | uint8_t ord; | |
a230b26e | 99 | int nid; |
919ba009 | 100 | } dane_mds[] = { |
a230b26e EK |
101 | { |
102 | DANETLS_MATCHING_FULL, 0, NID_undef | |
103 | }, | |
104 | { | |
105 | DANETLS_MATCHING_2256, 1, NID_sha256 | |
106 | }, | |
107 | { | |
108 | DANETLS_MATCHING_2512, 2, NID_sha512 | |
109 | }, | |
919ba009 VD |
110 | }; |
111 | ||
112 | static int dane_ctx_enable(struct dane_ctx_st *dctx) | |
113 | { | |
114 | const EVP_MD **mdevp; | |
115 | uint8_t *mdord; | |
116 | uint8_t mdmax = DANETLS_MATCHING_LAST; | |
a230b26e | 117 | int n = ((int)mdmax) + 1; /* int to handle PrivMatch(255) */ |
919ba009 VD |
118 | size_t i; |
119 | ||
5ae4ceb9 VD |
120 | if (dctx->mdevp != NULL) |
121 | return 1; | |
122 | ||
919ba009 VD |
123 | mdevp = OPENSSL_zalloc(n * sizeof(*mdevp)); |
124 | mdord = OPENSSL_zalloc(n * sizeof(*mdord)); | |
125 | ||
126 | if (mdord == NULL || mdevp == NULL) { | |
b3bd3d5a | 127 | OPENSSL_free(mdord); |
919ba009 | 128 | OPENSSL_free(mdevp); |
6849b73c | 129 | ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE); |
919ba009 VD |
130 | return 0; |
131 | } | |
132 | ||
133 | /* Install default entries */ | |
134 | for (i = 0; i < OSSL_NELEM(dane_mds); ++i) { | |
135 | const EVP_MD *md; | |
136 | ||
137 | if (dane_mds[i].nid == NID_undef || | |
138 | (md = EVP_get_digestbynid(dane_mds[i].nid)) == NULL) | |
139 | continue; | |
140 | mdevp[dane_mds[i].mtype] = md; | |
141 | mdord[dane_mds[i].mtype] = dane_mds[i].ord; | |
142 | } | |
143 | ||
144 | dctx->mdevp = mdevp; | |
145 | dctx->mdord = mdord; | |
146 | dctx->mdmax = mdmax; | |
147 | ||
148 | return 1; | |
149 | } | |
150 | ||
151 | static void dane_ctx_final(struct dane_ctx_st *dctx) | |
152 | { | |
153 | OPENSSL_free(dctx->mdevp); | |
154 | dctx->mdevp = NULL; | |
155 | ||
156 | OPENSSL_free(dctx->mdord); | |
157 | dctx->mdord = NULL; | |
158 | dctx->mdmax = 0; | |
159 | } | |
160 | ||
161 | static void tlsa_free(danetls_record *t) | |
162 | { | |
163 | if (t == NULL) | |
164 | return; | |
165 | OPENSSL_free(t->data); | |
166 | EVP_PKEY_free(t->spki); | |
167 | OPENSSL_free(t); | |
168 | } | |
169 | ||
b9aec69a | 170 | static void dane_final(SSL_DANE *dane) |
919ba009 VD |
171 | { |
172 | sk_danetls_record_pop_free(dane->trecs, tlsa_free); | |
173 | dane->trecs = NULL; | |
174 | ||
175 | sk_X509_pop_free(dane->certs, X509_free); | |
176 | dane->certs = NULL; | |
177 | ||
178 | X509_free(dane->mcert); | |
179 | dane->mcert = NULL; | |
180 | dane->mtlsa = NULL; | |
181 | dane->mdpth = -1; | |
182 | dane->pdpth = -1; | |
183 | } | |
184 | ||
185 | /* | |
186 | * dane_copy - Copy dane configuration, sans verification state. | |
187 | */ | |
188 | static int ssl_dane_dup(SSL *to, SSL *from) | |
189 | { | |
190 | int num; | |
191 | int i; | |
192 | ||
193 | if (!DANETLS_ENABLED(&from->dane)) | |
194 | return 1; | |
195 | ||
e431363f | 196 | num = sk_danetls_record_num(from->dane.trecs); |
919ba009 | 197 | dane_final(&to->dane); |
5ae4ceb9 | 198 | to->dane.flags = from->dane.flags; |
9f6b22b8 | 199 | to->dane.dctx = &to->ctx->dane; |
7a908204 | 200 | to->dane.trecs = sk_danetls_record_new_reserve(NULL, num); |
9f6b22b8 VD |
201 | |
202 | if (to->dane.trecs == NULL) { | |
6849b73c | 203 | ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE); |
9f6b22b8 VD |
204 | return 0; |
205 | } | |
919ba009 | 206 | |
919ba009 VD |
207 | for (i = 0; i < num; ++i) { |
208 | danetls_record *t = sk_danetls_record_value(from->dane.trecs, i); | |
9f6b22b8 | 209 | |
919ba009 VD |
210 | if (SSL_dane_tlsa_add(to, t->usage, t->selector, t->mtype, |
211 | t->data, t->dlen) <= 0) | |
212 | return 0; | |
213 | } | |
214 | return 1; | |
215 | } | |
216 | ||
a230b26e EK |
217 | static int dane_mtype_set(struct dane_ctx_st *dctx, |
218 | const EVP_MD *md, uint8_t mtype, uint8_t ord) | |
919ba009 VD |
219 | { |
220 | int i; | |
221 | ||
222 | if (mtype == DANETLS_MATCHING_FULL && md != NULL) { | |
6849b73c | 223 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_CANNOT_OVERRIDE_MTYPE_FULL); |
919ba009 VD |
224 | return 0; |
225 | } | |
226 | ||
227 | if (mtype > dctx->mdmax) { | |
228 | const EVP_MD **mdevp; | |
229 | uint8_t *mdord; | |
a230b26e | 230 | int n = ((int)mtype) + 1; |
919ba009 VD |
231 | |
232 | mdevp = OPENSSL_realloc(dctx->mdevp, n * sizeof(*mdevp)); | |
233 | if (mdevp == NULL) { | |
6849b73c | 234 | ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE); |
919ba009 VD |
235 | return -1; |
236 | } | |
237 | dctx->mdevp = mdevp; | |
238 | ||
239 | mdord = OPENSSL_realloc(dctx->mdord, n * sizeof(*mdord)); | |
240 | if (mdord == NULL) { | |
6849b73c | 241 | ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE); |
919ba009 VD |
242 | return -1; |
243 | } | |
244 | dctx->mdord = mdord; | |
245 | ||
246 | /* Zero-fill any gaps */ | |
a230b26e | 247 | for (i = dctx->mdmax + 1; i < mtype; ++i) { |
919ba009 VD |
248 | mdevp[i] = NULL; |
249 | mdord[i] = 0; | |
250 | } | |
251 | ||
252 | dctx->mdmax = mtype; | |
253 | } | |
254 | ||
255 | dctx->mdevp[mtype] = md; | |
256 | /* Coerce ordinal of disabled matching types to 0 */ | |
257 | dctx->mdord[mtype] = (md == NULL) ? 0 : ord; | |
258 | ||
259 | return 1; | |
260 | } | |
261 | ||
b9aec69a | 262 | static const EVP_MD *tlsa_md_get(SSL_DANE *dane, uint8_t mtype) |
919ba009 VD |
263 | { |
264 | if (mtype > dane->dctx->mdmax) | |
265 | return NULL; | |
266 | return dane->dctx->mdevp[mtype]; | |
267 | } | |
268 | ||
a230b26e EK |
269 | static int dane_tlsa_add(SSL_DANE *dane, |
270 | uint8_t usage, | |
271 | uint8_t selector, | |
a41a6120 | 272 | uint8_t mtype, unsigned const char *data, size_t dlen) |
919ba009 VD |
273 | { |
274 | danetls_record *t; | |
275 | const EVP_MD *md = NULL; | |
276 | int ilen = (int)dlen; | |
277 | int i; | |
9f6b22b8 | 278 | int num; |
919ba009 VD |
279 | |
280 | if (dane->trecs == NULL) { | |
6849b73c | 281 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_NOT_ENABLED); |
919ba009 VD |
282 | return -1; |
283 | } | |
284 | ||
285 | if (ilen < 0 || dlen != (size_t)ilen) { | |
6849b73c | 286 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_BAD_DATA_LENGTH); |
919ba009 VD |
287 | return 0; |
288 | } | |
289 | ||
290 | if (usage > DANETLS_USAGE_LAST) { | |
6849b73c | 291 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_BAD_CERTIFICATE_USAGE); |
919ba009 VD |
292 | return 0; |
293 | } | |
294 | ||
295 | if (selector > DANETLS_SELECTOR_LAST) { | |
6849b73c | 296 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_BAD_SELECTOR); |
919ba009 VD |
297 | return 0; |
298 | } | |
299 | ||
300 | if (mtype != DANETLS_MATCHING_FULL) { | |
301 | md = tlsa_md_get(dane, mtype); | |
302 | if (md == NULL) { | |
6849b73c | 303 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_BAD_MATCHING_TYPE); |
919ba009 VD |
304 | return 0; |
305 | } | |
306 | } | |
307 | ||
308 | if (md != NULL && dlen != (size_t)EVP_MD_size(md)) { | |
6849b73c | 309 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_BAD_DIGEST_LENGTH); |
919ba009 VD |
310 | return 0; |
311 | } | |
312 | if (!data) { | |
6849b73c | 313 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_NULL_DATA); |
919ba009 VD |
314 | return 0; |
315 | } | |
316 | ||
317 | if ((t = OPENSSL_zalloc(sizeof(*t))) == NULL) { | |
6849b73c | 318 | ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE); |
919ba009 VD |
319 | return -1; |
320 | } | |
321 | ||
322 | t->usage = usage; | |
323 | t->selector = selector; | |
324 | t->mtype = mtype; | |
348240c6 | 325 | t->data = OPENSSL_malloc(dlen); |
919ba009 VD |
326 | if (t->data == NULL) { |
327 | tlsa_free(t); | |
6849b73c | 328 | ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE); |
919ba009 VD |
329 | return -1; |
330 | } | |
348240c6 MC |
331 | memcpy(t->data, data, dlen); |
332 | t->dlen = dlen; | |
919ba009 VD |
333 | |
334 | /* Validate and cache full certificate or public key */ | |
335 | if (mtype == DANETLS_MATCHING_FULL) { | |
336 | const unsigned char *p = data; | |
337 | X509 *cert = NULL; | |
338 | EVP_PKEY *pkey = NULL; | |
339 | ||
340 | switch (selector) { | |
341 | case DANETLS_SELECTOR_CERT: | |
348240c6 | 342 | if (!d2i_X509(&cert, &p, ilen) || p < data || |
919ba009 VD |
343 | dlen != (size_t)(p - data)) { |
344 | tlsa_free(t); | |
6849b73c | 345 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_BAD_CERTIFICATE); |
919ba009 VD |
346 | return 0; |
347 | } | |
348 | if (X509_get0_pubkey(cert) == NULL) { | |
349 | tlsa_free(t); | |
6849b73c | 350 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_BAD_CERTIFICATE); |
919ba009 VD |
351 | return 0; |
352 | } | |
353 | ||
354 | if ((DANETLS_USAGE_BIT(usage) & DANETLS_TA_MASK) == 0) { | |
355 | X509_free(cert); | |
356 | break; | |
357 | } | |
358 | ||
359 | /* | |
360 | * For usage DANE-TA(2), we support authentication via "2 0 0" TLSA | |
361 | * records that contain full certificates of trust-anchors that are | |
362 | * not present in the wire chain. For usage PKIX-TA(0), we augment | |
363 | * the chain with untrusted Full(0) certificates from DNS, in case | |
364 | * they are missing from the chain. | |
365 | */ | |
366 | if ((dane->certs == NULL && | |
367 | (dane->certs = sk_X509_new_null()) == NULL) || | |
368 | !sk_X509_push(dane->certs, cert)) { | |
6849b73c | 369 | ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE); |
919ba009 VD |
370 | X509_free(cert); |
371 | tlsa_free(t); | |
372 | return -1; | |
373 | } | |
374 | break; | |
375 | ||
376 | case DANETLS_SELECTOR_SPKI: | |
348240c6 | 377 | if (!d2i_PUBKEY(&pkey, &p, ilen) || p < data || |
919ba009 VD |
378 | dlen != (size_t)(p - data)) { |
379 | tlsa_free(t); | |
6849b73c | 380 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_BAD_PUBLIC_KEY); |
919ba009 VD |
381 | return 0; |
382 | } | |
383 | ||
384 | /* | |
385 | * For usage DANE-TA(2), we support authentication via "2 1 0" TLSA | |
386 | * records that contain full bare keys of trust-anchors that are | |
387 | * not present in the wire chain. | |
388 | */ | |
389 | if (usage == DANETLS_USAGE_DANE_TA) | |
390 | t->spki = pkey; | |
391 | else | |
392 | EVP_PKEY_free(pkey); | |
393 | break; | |
394 | } | |
395 | } | |
396 | ||
397 | /*- | |
398 | * Find the right insertion point for the new record. | |
399 | * | |
400 | * See crypto/x509/x509_vfy.c. We sort DANE-EE(3) records first, so that | |
401 | * they can be processed first, as they require no chain building, and no | |
402 | * expiration or hostname checks. Because DANE-EE(3) is numerically | |
403 | * largest, this is accomplished via descending sort by "usage". | |
404 | * | |
405 | * We also sort in descending order by matching ordinal to simplify | |
406 | * the implementation of digest agility in the verification code. | |
407 | * | |
408 | * The choice of order for the selector is not significant, so we | |
409 | * use the same descending order for consistency. | |
410 | */ | |
9f6b22b8 VD |
411 | num = sk_danetls_record_num(dane->trecs); |
412 | for (i = 0; i < num; ++i) { | |
919ba009 | 413 | danetls_record *rec = sk_danetls_record_value(dane->trecs, i); |
9f6b22b8 | 414 | |
919ba009 VD |
415 | if (rec->usage > usage) |
416 | continue; | |
417 | if (rec->usage < usage) | |
418 | break; | |
419 | if (rec->selector > selector) | |
420 | continue; | |
421 | if (rec->selector < selector) | |
422 | break; | |
423 | if (dane->dctx->mdord[rec->mtype] > dane->dctx->mdord[mtype]) | |
424 | continue; | |
425 | break; | |
426 | } | |
427 | ||
428 | if (!sk_danetls_record_insert(dane->trecs, t, i)) { | |
429 | tlsa_free(t); | |
6849b73c | 430 | ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE); |
919ba009 VD |
431 | return -1; |
432 | } | |
433 | dane->umask |= DANETLS_USAGE_BIT(usage); | |
434 | ||
435 | return 1; | |
436 | } | |
437 | ||
c8feba72 BK |
438 | /* |
439 | * Return 0 if there is only one version configured and it was disabled | |
440 | * at configure time. Return 1 otherwise. | |
441 | */ | |
442 | static int ssl_check_allowed_versions(int min_version, int max_version) | |
443 | { | |
444 | int minisdtls = 0, maxisdtls = 0; | |
445 | ||
446 | /* Figure out if we're doing DTLS versions or TLS versions */ | |
447 | if (min_version == DTLS1_BAD_VER | |
448 | || min_version >> 8 == DTLS1_VERSION_MAJOR) | |
449 | minisdtls = 1; | |
450 | if (max_version == DTLS1_BAD_VER | |
451 | || max_version >> 8 == DTLS1_VERSION_MAJOR) | |
452 | maxisdtls = 1; | |
453 | /* A wildcard version of 0 could be DTLS or TLS. */ | |
454 | if ((minisdtls && !maxisdtls && max_version != 0) | |
455 | || (maxisdtls && !minisdtls && min_version != 0)) { | |
456 | /* Mixing DTLS and TLS versions will lead to sadness; deny it. */ | |
457 | return 0; | |
458 | } | |
459 | ||
460 | if (minisdtls || maxisdtls) { | |
461 | /* Do DTLS version checks. */ | |
462 | if (min_version == 0) | |
463 | /* Ignore DTLS1_BAD_VER */ | |
464 | min_version = DTLS1_VERSION; | |
465 | if (max_version == 0) | |
466 | max_version = DTLS1_2_VERSION; | |
467 | #ifdef OPENSSL_NO_DTLS1_2 | |
468 | if (max_version == DTLS1_2_VERSION) | |
469 | max_version = DTLS1_VERSION; | |
470 | #endif | |
471 | #ifdef OPENSSL_NO_DTLS1 | |
472 | if (min_version == DTLS1_VERSION) | |
473 | min_version = DTLS1_2_VERSION; | |
474 | #endif | |
79b4444d DMSP |
475 | /* Done massaging versions; do the check. */ |
476 | if (0 | |
c8feba72 BK |
477 | #ifdef OPENSSL_NO_DTLS1 |
478 | || (DTLS_VERSION_GE(min_version, DTLS1_VERSION) | |
479 | && DTLS_VERSION_GE(DTLS1_VERSION, max_version)) | |
480 | #endif | |
481 | #ifdef OPENSSL_NO_DTLS1_2 | |
482 | || (DTLS_VERSION_GE(min_version, DTLS1_2_VERSION) | |
483 | && DTLS_VERSION_GE(DTLS1_2_VERSION, max_version)) | |
484 | #endif | |
485 | ) | |
486 | return 0; | |
487 | } else { | |
488 | /* Regular TLS version checks. */ | |
79b4444d DMSP |
489 | if (min_version == 0) |
490 | min_version = SSL3_VERSION; | |
491 | if (max_version == 0) | |
492 | max_version = TLS1_3_VERSION; | |
c8feba72 | 493 | #ifdef OPENSSL_NO_TLS1_3 |
79b4444d DMSP |
494 | if (max_version == TLS1_3_VERSION) |
495 | max_version = TLS1_2_VERSION; | |
c8feba72 BK |
496 | #endif |
497 | #ifdef OPENSSL_NO_TLS1_2 | |
79b4444d DMSP |
498 | if (max_version == TLS1_2_VERSION) |
499 | max_version = TLS1_1_VERSION; | |
c8feba72 BK |
500 | #endif |
501 | #ifdef OPENSSL_NO_TLS1_1 | |
79b4444d DMSP |
502 | if (max_version == TLS1_1_VERSION) |
503 | max_version = TLS1_VERSION; | |
c8feba72 BK |
504 | #endif |
505 | #ifdef OPENSSL_NO_TLS1 | |
79b4444d DMSP |
506 | if (max_version == TLS1_VERSION) |
507 | max_version = SSL3_VERSION; | |
c8feba72 BK |
508 | #endif |
509 | #ifdef OPENSSL_NO_SSL3 | |
79b4444d DMSP |
510 | if (min_version == SSL3_VERSION) |
511 | min_version = TLS1_VERSION; | |
c8feba72 BK |
512 | #endif |
513 | #ifdef OPENSSL_NO_TLS1 | |
79b4444d DMSP |
514 | if (min_version == TLS1_VERSION) |
515 | min_version = TLS1_1_VERSION; | |
c8feba72 BK |
516 | #endif |
517 | #ifdef OPENSSL_NO_TLS1_1 | |
79b4444d DMSP |
518 | if (min_version == TLS1_1_VERSION) |
519 | min_version = TLS1_2_VERSION; | |
c8feba72 BK |
520 | #endif |
521 | #ifdef OPENSSL_NO_TLS1_2 | |
79b4444d DMSP |
522 | if (min_version == TLS1_2_VERSION) |
523 | min_version = TLS1_3_VERSION; | |
c8feba72 | 524 | #endif |
79b4444d DMSP |
525 | /* Done massaging versions; do the check. */ |
526 | if (0 | |
c8feba72 BK |
527 | #ifdef OPENSSL_NO_SSL3 |
528 | || (min_version <= SSL3_VERSION && SSL3_VERSION <= max_version) | |
529 | #endif | |
530 | #ifdef OPENSSL_NO_TLS1 | |
531 | || (min_version <= TLS1_VERSION && TLS1_VERSION <= max_version) | |
532 | #endif | |
533 | #ifdef OPENSSL_NO_TLS1_1 | |
534 | || (min_version <= TLS1_1_VERSION && TLS1_1_VERSION <= max_version) | |
535 | #endif | |
536 | #ifdef OPENSSL_NO_TLS1_2 | |
537 | || (min_version <= TLS1_2_VERSION && TLS1_2_VERSION <= max_version) | |
538 | #endif | |
539 | #ifdef OPENSSL_NO_TLS1_3 | |
540 | || (min_version <= TLS1_3_VERSION && TLS1_3_VERSION <= max_version) | |
541 | #endif | |
542 | ) | |
543 | return 0; | |
544 | } | |
545 | return 1; | |
546 | } | |
547 | ||
08073700 RB |
548 | #if defined(__TANDEM) && defined(OPENSSL_VPROC) |
549 | /* | |
550 | * Define a VPROC function for HP NonStop build ssl library. | |
551 | * This is used by platform version identification tools. | |
552 | * Do not inline this procedure or make it static. | |
553 | */ | |
554 | # define OPENSSL_VPROC_STRING_(x) x##_SSL | |
555 | # define OPENSSL_VPROC_STRING(x) OPENSSL_VPROC_STRING_(x) | |
556 | # define OPENSSL_VPROC_FUNC OPENSSL_VPROC_STRING(OPENSSL_VPROC) | |
557 | void OPENSSL_VPROC_FUNC(void) {} | |
558 | #endif | |
559 | ||
560 | ||
d31fb0b5 RS |
561 | static void clear_ciphers(SSL *s) |
562 | { | |
563 | /* clear the current cipher */ | |
564 | ssl_clear_cipher_ctx(s); | |
565 | ssl_clear_hash_ctx(&s->read_hash); | |
566 | ssl_clear_hash_ctx(&s->write_hash); | |
567 | } | |
568 | ||
4f43d0e7 | 569 | int SSL_clear(SSL *s) |
0f113f3e | 570 | { |
0f113f3e | 571 | if (s->method == NULL) { |
6849b73c | 572 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_METHOD_SPECIFIED); |
a89325e4 | 573 | return 0; |
0f113f3e | 574 | } |
d02b48c6 | 575 | |
0f113f3e MC |
576 | if (ssl_clear_bad_session(s)) { |
577 | SSL_SESSION_free(s->session); | |
578 | s->session = NULL; | |
579 | } | |
9368f865 MC |
580 | SSL_SESSION_free(s->psksession); |
581 | s->psksession = NULL; | |
add8d0e9 MC |
582 | OPENSSL_free(s->psksession_id); |
583 | s->psksession_id = NULL; | |
584 | s->psksession_id_len = 0; | |
808d1601 | 585 | s->hello_retry_request = 0; |
36ff232c | 586 | s->sent_tickets = 0; |
d62bfb39 | 587 | |
0f113f3e MC |
588 | s->error = 0; |
589 | s->hit = 0; | |
590 | s->shutdown = 0; | |
d02b48c6 | 591 | |
0f113f3e | 592 | if (s->renegotiate) { |
6849b73c | 593 | ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR); |
0f113f3e MC |
594 | return 0; |
595 | } | |
d02b48c6 | 596 | |
fe3a3291 | 597 | ossl_statem_clear(s); |
413c4f45 | 598 | |
0f113f3e MC |
599 | s->version = s->method->version; |
600 | s->client_version = s->version; | |
601 | s->rwstate = SSL_NOTHING; | |
d02b48c6 | 602 | |
25aaa98a RS |
603 | BUF_MEM_free(s->init_buf); |
604 | s->init_buf = NULL; | |
d31fb0b5 | 605 | clear_ciphers(s); |
0f113f3e | 606 | s->first_packet = 0; |
d02b48c6 | 607 | |
44c04a2e MC |
608 | s->key_update = SSL_KEY_UPDATE_NONE; |
609 | ||
88834998 TS |
610 | EVP_MD_CTX_free(s->pha_dgst); |
611 | s->pha_dgst = NULL; | |
612 | ||
919ba009 VD |
613 | /* Reset DANE verification result state */ |
614 | s->dane.mdpth = -1; | |
615 | s->dane.pdpth = -1; | |
616 | X509_free(s->dane.mcert); | |
617 | s->dane.mcert = NULL; | |
618 | s->dane.mtlsa = NULL; | |
619 | ||
620 | /* Clear the verification result peername */ | |
621 | X509_VERIFY_PARAM_move_peername(s->param, NULL); | |
622 | ||
29948ac8 BK |
623 | /* Clear any shared connection state */ |
624 | OPENSSL_free(s->shared_sigalgs); | |
625 | s->shared_sigalgs = NULL; | |
626 | s->shared_sigalgslen = 0; | |
627 | ||
0f113f3e MC |
628 | /* |
629 | * Check to see if we were changed into a different method, if so, revert | |
24252537 | 630 | * back. |
0f113f3e | 631 | */ |
24252537 | 632 | if (s->method != s->ctx->method) { |
0f113f3e MC |
633 | s->method->ssl_free(s); |
634 | s->method = s->ctx->method; | |
635 | if (!s->method->ssl_new(s)) | |
a89325e4 | 636 | return 0; |
b77f3ed1 MC |
637 | } else { |
638 | if (!s->method->ssl_clear(s)) | |
639 | return 0; | |
640 | } | |
33d23b87 | 641 | |
af9752e5 | 642 | RECORD_LAYER_clear(&s->rlayer); |
33d23b87 | 643 | |
a89325e4 | 644 | return 1; |
0f113f3e | 645 | } |
d02b48c6 | 646 | |
dd0164e7 | 647 | #ifndef OPENSSL_NO_DEPRECATED_3_0 |
4f43d0e7 | 648 | /** Used to change an SSL_CTXs default SSL method type */ |
0f113f3e MC |
649 | int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth) |
650 | { | |
651 | STACK_OF(SSL_CIPHER) *sk; | |
652 | ||
653 | ctx->method = meth; | |
654 | ||
5d120511 | 655 | if (!SSL_CTX_set_ciphersuites(ctx, OSSL_default_ciphersuites())) { |
6849b73c | 656 | ERR_raise(ERR_LIB_SSL, SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS); |
2340ed27 BK |
657 | return 0; |
658 | } | |
f865b081 MC |
659 | sk = ssl_create_cipher_list(ctx->method, |
660 | ctx->tls13_ciphersuites, | |
661 | &(ctx->cipher_list), | |
0f113f3e | 662 | &(ctx->cipher_list_by_id), |
5d120511 | 663 | OSSL_default_cipher_list(), ctx->cert); |
0f113f3e | 664 | if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0)) { |
6849b73c | 665 | ERR_raise(ERR_LIB_SSL, SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS); |
26a7d938 | 666 | return 0; |
0f113f3e | 667 | } |
208fb891 | 668 | return 1; |
0f113f3e | 669 | } |
dd0164e7 | 670 | #endif |
d02b48c6 | 671 | |
4f43d0e7 | 672 | SSL *SSL_new(SSL_CTX *ctx) |
0f113f3e MC |
673 | { |
674 | SSL *s; | |
675 | ||
676 | if (ctx == NULL) { | |
6849b73c | 677 | ERR_raise(ERR_LIB_SSL, SSL_R_NULL_SSL_CTX); |
26a7d938 | 678 | return NULL; |
0f113f3e MC |
679 | } |
680 | if (ctx->method == NULL) { | |
6849b73c | 681 | ERR_raise(ERR_LIB_SSL, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION); |
26a7d938 | 682 | return NULL; |
0f113f3e MC |
683 | } |
684 | ||
b51bce94 | 685 | s = OPENSSL_zalloc(sizeof(*s)); |
0f113f3e MC |
686 | if (s == NULL) |
687 | goto err; | |
0f113f3e | 688 | |
e6b10c34 | 689 | s->references = 1; |
16203f7b | 690 | s->lock = CRYPTO_THREAD_lock_new(); |
e6b10c34 BE |
691 | if (s->lock == NULL) { |
692 | OPENSSL_free(s); | |
693 | s = NULL; | |
ae3947de | 694 | goto err; |
e6b10c34 | 695 | } |
ae3947de | 696 | |
c036e210 | 697 | RECORD_LAYER_init(&s->rlayer, s); |
28d59af8 | 698 | |
0f113f3e | 699 | s->options = ctx->options; |
5ae4ceb9 | 700 | s->dane.flags = ctx->dane.flags; |
7946ab33 KR |
701 | s->min_proto_version = ctx->min_proto_version; |
702 | s->max_proto_version = ctx->max_proto_version; | |
0f113f3e MC |
703 | s->mode = ctx->mode; |
704 | s->max_cert_list = ctx->max_cert_list; | |
3fc8d856 | 705 | s->max_early_data = ctx->max_early_data; |
4e8548e8 | 706 | s->recv_max_early_data = ctx->recv_max_early_data; |
9d0a8bb7 | 707 | s->num_tickets = ctx->num_tickets; |
e97be718 | 708 | s->pha_enabled = ctx->pha_enabled; |
0f113f3e | 709 | |
f865b081 MC |
710 | /* Shallow copy of the ciphersuites stack */ |
711 | s->tls13_ciphersuites = sk_SSL_CIPHER_dup(ctx->tls13_ciphersuites); | |
712 | if (s->tls13_ciphersuites == NULL) | |
713 | goto err; | |
714 | ||
2c382349 KR |
715 | /* |
716 | * Earlier library versions used to copy the pointer to the CERT, not | |
717 | * its contents; only when setting new parameters for the per-SSL | |
718 | * copy, ssl_cert_new would be called (and the direct reference to | |
719 | * the per-SSL_CTX settings would be lost, but those still were | |
720 | * indirectly accessed for various purposes, and for that reason they | |
721 | * used to be known as s->ctx->default_cert). Now we don't look at the | |
722 | * SSL_CTX's CERT after having duplicated it once. | |
723 | */ | |
724 | s->cert = ssl_cert_dup(ctx->cert); | |
725 | if (s->cert == NULL) | |
726 | goto err; | |
0f113f3e | 727 | |
52e1d7b1 | 728 | RECORD_LAYER_set_read_ahead(&s->rlayer, ctx->read_ahead); |
0f113f3e MC |
729 | s->msg_callback = ctx->msg_callback; |
730 | s->msg_callback_arg = ctx->msg_callback_arg; | |
731 | s->verify_mode = ctx->verify_mode; | |
732 | s->not_resumable_session_cb = ctx->not_resumable_session_cb; | |
c649d10d TS |
733 | s->record_padding_cb = ctx->record_padding_cb; |
734 | s->record_padding_arg = ctx->record_padding_arg; | |
735 | s->block_padding = ctx->block_padding; | |
0f113f3e | 736 | s->sid_ctx_length = ctx->sid_ctx_length; |
cbe29648 | 737 | if (!ossl_assert(s->sid_ctx_length <= sizeof(s->sid_ctx))) |
380a522f | 738 | goto err; |
0f113f3e MC |
739 | memcpy(&s->sid_ctx, &ctx->sid_ctx, sizeof(s->sid_ctx)); |
740 | s->verify_callback = ctx->default_verify_callback; | |
741 | s->generate_session_id = ctx->generate_session_id; | |
742 | ||
743 | s->param = X509_VERIFY_PARAM_new(); | |
a71edf3b | 744 | if (s->param == NULL) |
0f113f3e MC |
745 | goto err; |
746 | X509_VERIFY_PARAM_inherit(s->param, ctx->param); | |
0f113f3e | 747 | s->quiet_shutdown = ctx->quiet_shutdown; |
cf72c757 F |
748 | |
749 | s->ext.max_fragment_len_mode = ctx->ext.max_fragment_len_mode; | |
0f113f3e | 750 | s->max_send_fragment = ctx->max_send_fragment; |
d102d9df MC |
751 | s->split_send_fragment = ctx->split_send_fragment; |
752 | s->max_pipelines = ctx->max_pipelines; | |
94777c9c MC |
753 | if (s->max_pipelines > 1) |
754 | RECORD_LAYER_set_read_ahead(&s->rlayer, 1); | |
dad78fb1 MC |
755 | if (ctx->default_read_buf_len > 0) |
756 | SSL_set_default_read_buffer_len(s, ctx->default_read_buf_len); | |
bf21446a | 757 | |
16203f7b | 758 | SSL_CTX_up_ref(ctx); |
0f113f3e | 759 | s->ctx = ctx; |
aff8c126 RS |
760 | s->ext.debug_cb = 0; |
761 | s->ext.debug_arg = NULL; | |
762 | s->ext.ticket_expected = 0; | |
763 | s->ext.status_type = ctx->ext.status_type; | |
764 | s->ext.status_expected = 0; | |
765 | s->ext.ocsp.ids = NULL; | |
766 | s->ext.ocsp.exts = NULL; | |
767 | s->ext.ocsp.resp = NULL; | |
768 | s->ext.ocsp.resp_len = 0; | |
16203f7b | 769 | SSL_CTX_up_ref(ctx); |
222da979 | 770 | s->session_ctx = ctx; |
a230b26e | 771 | #ifndef OPENSSL_NO_EC |
aff8c126 RS |
772 | if (ctx->ext.ecpointformats) { |
773 | s->ext.ecpointformats = | |
774 | OPENSSL_memdup(ctx->ext.ecpointformats, | |
775 | ctx->ext.ecpointformats_len); | |
776 | if (!s->ext.ecpointformats) | |
0f113f3e | 777 | goto err; |
aff8c126 RS |
778 | s->ext.ecpointformats_len = |
779 | ctx->ext.ecpointformats_len; | |
780 | } | |
dbc6268f | 781 | #endif |
aff8c126 RS |
782 | if (ctx->ext.supportedgroups) { |
783 | s->ext.supportedgroups = | |
784 | OPENSSL_memdup(ctx->ext.supportedgroups, | |
9e84a42d | 785 | ctx->ext.supportedgroups_len |
b92d7b62 | 786 | * sizeof(*ctx->ext.supportedgroups)); |
aff8c126 | 787 | if (!s->ext.supportedgroups) |
0f113f3e | 788 | goto err; |
aff8c126 | 789 | s->ext.supportedgroups_len = ctx->ext.supportedgroups_len; |
0f113f3e | 790 | } |
dbc6268f | 791 | |
a230b26e | 792 | #ifndef OPENSSL_NO_NEXTPROTONEG |
aff8c126 | 793 | s->ext.npn = NULL; |
a230b26e | 794 | #endif |
6f017a8f | 795 | |
aff8c126 RS |
796 | if (s->ctx->ext.alpn) { |
797 | s->ext.alpn = OPENSSL_malloc(s->ctx->ext.alpn_len); | |
798 | if (s->ext.alpn == NULL) | |
0f113f3e | 799 | goto err; |
aff8c126 RS |
800 | memcpy(s->ext.alpn, s->ctx->ext.alpn, s->ctx->ext.alpn_len); |
801 | s->ext.alpn_len = s->ctx->ext.alpn_len; | |
0f113f3e | 802 | } |
d02b48c6 | 803 | |
696178ed | 804 | s->verified_chain = NULL; |
0f113f3e | 805 | s->verify_result = X509_V_OK; |
d02b48c6 | 806 | |
a974e64a MC |
807 | s->default_passwd_callback = ctx->default_passwd_callback; |
808 | s->default_passwd_callback_userdata = ctx->default_passwd_callback_userdata; | |
809 | ||
0f113f3e | 810 | s->method = ctx->method; |
d02b48c6 | 811 | |
44c04a2e MC |
812 | s->key_update = SSL_KEY_UPDATE_NONE; |
813 | ||
c9598459 MC |
814 | s->allow_early_data_cb = ctx->allow_early_data_cb; |
815 | s->allow_early_data_cb_data = ctx->allow_early_data_cb_data; | |
816 | ||
0f113f3e MC |
817 | if (!s->method->ssl_new(s)) |
818 | goto err; | |
d02b48c6 | 819 | |
0f113f3e | 820 | s->server = (ctx->method->ssl_accept == ssl_undefined_function) ? 0 : 1; |
bf21446a | 821 | |
61986d32 | 822 | if (!SSL_clear(s)) |
69f68237 | 823 | goto err; |
58964a49 | 824 | |
25a807bc F |
825 | if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data)) |
826 | goto err; | |
58964a49 | 827 | |
ddac1974 | 828 | #ifndef OPENSSL_NO_PSK |
0f113f3e MC |
829 | s->psk_client_callback = ctx->psk_client_callback; |
830 | s->psk_server_callback = ctx->psk_server_callback; | |
ddac1974 | 831 | #endif |
f46184bd MC |
832 | s->psk_find_session_cb = ctx->psk_find_session_cb; |
833 | s->psk_use_session_cb = ctx->psk_use_session_cb; | |
ddac1974 | 834 | |
9f5a87fd PY |
835 | s->async_cb = ctx->async_cb; |
836 | s->async_cb_arg = ctx->async_cb_arg; | |
837 | ||
07bbc92c MC |
838 | s->job = NULL; |
839 | ||
ed29e82a RP |
840 | #ifndef OPENSSL_NO_CT |
841 | if (!SSL_set_ct_validation_callback(s, ctx->ct_validation_callback, | |
a230b26e | 842 | ctx->ct_validation_callback_arg)) |
ed29e82a RP |
843 | goto err; |
844 | #endif | |
845 | ||
16203f7b | 846 | return s; |
0f113f3e | 847 | err: |
62adbcee | 848 | SSL_free(s); |
6849b73c | 849 | ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE); |
16203f7b | 850 | return NULL; |
0f113f3e | 851 | } |
d02b48c6 | 852 | |
e417070c RS |
853 | int SSL_is_dtls(const SSL *s) |
854 | { | |
855 | return SSL_IS_DTLS(s) ? 1 : 0; | |
856 | } | |
857 | ||
c5ebfcab | 858 | int SSL_up_ref(SSL *s) |
a18a31e4 | 859 | { |
16203f7b | 860 | int i; |
c5ebfcab | 861 | |
2f545ae4 | 862 | if (CRYPTO_UP_REF(&s->references, &i, s->lock) <= 0) |
c5ebfcab F |
863 | return 0; |
864 | ||
865 | REF_PRINT_COUNT("SSL", s); | |
866 | REF_ASSERT_ISNT(i < 2); | |
867 | return ((i > 1) ? 1 : 0); | |
a18a31e4 MC |
868 | } |
869 | ||
0f113f3e MC |
870 | int SSL_CTX_set_session_id_context(SSL_CTX *ctx, const unsigned char *sid_ctx, |
871 | unsigned int sid_ctx_len) | |
872 | { | |
fe9edc9d | 873 | if (sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) { |
6849b73c | 874 | ERR_raise(ERR_LIB_SSL, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); |
0f113f3e MC |
875 | return 0; |
876 | } | |
877 | ctx->sid_ctx_length = sid_ctx_len; | |
878 | memcpy(ctx->sid_ctx, sid_ctx, sid_ctx_len); | |
4eb77b26 BM |
879 | |
880 | return 1; | |
0f113f3e | 881 | } |
4eb77b26 | 882 | |
0f113f3e MC |
883 | int SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx, |
884 | unsigned int sid_ctx_len) | |
885 | { | |
886 | if (sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) { | |
6849b73c | 887 | ERR_raise(ERR_LIB_SSL, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); |
0f113f3e MC |
888 | return 0; |
889 | } | |
890 | ssl->sid_ctx_length = sid_ctx_len; | |
891 | memcpy(ssl->sid_ctx, sid_ctx, sid_ctx_len); | |
b4cadc6e BL |
892 | |
893 | return 1; | |
0f113f3e | 894 | } |
b4cadc6e | 895 | |
dc644fe2 | 896 | int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb) |
0f113f3e | 897 | { |
16203f7b | 898 | CRYPTO_THREAD_write_lock(ctx->lock); |
0f113f3e | 899 | ctx->generate_session_id = cb; |
16203f7b | 900 | CRYPTO_THREAD_unlock(ctx->lock); |
0f113f3e MC |
901 | return 1; |
902 | } | |
dc644fe2 GT |
903 | |
904 | int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb) | |
0f113f3e | 905 | { |
16203f7b | 906 | CRYPTO_THREAD_write_lock(ssl->lock); |
0f113f3e | 907 | ssl->generate_session_id = cb; |
16203f7b | 908 | CRYPTO_THREAD_unlock(ssl->lock); |
0f113f3e MC |
909 | return 1; |
910 | } | |
dc644fe2 | 911 | |
f85c9904 | 912 | int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id, |
0f113f3e MC |
913 | unsigned int id_len) |
914 | { | |
915 | /* | |
916 | * A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how | |
69687aa8 | 917 | * we can "construct" a session to give us the desired check - i.e. to |
0f113f3e MC |
918 | * find if there's a session in the hash table that would conflict with |
919 | * any new session built out of this id/id_len and the ssl_version in use | |
920 | * by this SSL. | |
921 | */ | |
922 | SSL_SESSION r, *p; | |
923 | ||
cbe29648 | 924 | if (id_len > sizeof(r.session_id)) |
0f113f3e MC |
925 | return 0; |
926 | ||
927 | r.ssl_version = ssl->version; | |
928 | r.session_id_length = id_len; | |
929 | memcpy(r.session_id, id, id_len); | |
930 | ||
e2bb9b9b TS |
931 | CRYPTO_THREAD_read_lock(ssl->session_ctx->lock); |
932 | p = lh_SSL_SESSION_retrieve(ssl->session_ctx->sessions, &r); | |
933 | CRYPTO_THREAD_unlock(ssl->session_ctx->lock); | |
0f113f3e MC |
934 | return (p != NULL); |
935 | } | |
dc644fe2 | 936 | |
bb7cd4e3 | 937 | int SSL_CTX_set_purpose(SSL_CTX *s, int purpose) |
0f113f3e MC |
938 | { |
939 | return X509_VERIFY_PARAM_set_purpose(s->param, purpose); | |
940 | } | |
bb7cd4e3 DSH |
941 | |
942 | int SSL_set_purpose(SSL *s, int purpose) | |
0f113f3e MC |
943 | { |
944 | return X509_VERIFY_PARAM_set_purpose(s->param, purpose); | |
945 | } | |
926a56bf | 946 | |
bb7cd4e3 | 947 | int SSL_CTX_set_trust(SSL_CTX *s, int trust) |
0f113f3e MC |
948 | { |
949 | return X509_VERIFY_PARAM_set_trust(s->param, trust); | |
950 | } | |
bb7cd4e3 DSH |
951 | |
952 | int SSL_set_trust(SSL *s, int trust) | |
0f113f3e MC |
953 | { |
954 | return X509_VERIFY_PARAM_set_trust(s->param, trust); | |
955 | } | |
bb7cd4e3 | 956 | |
919ba009 VD |
957 | int SSL_set1_host(SSL *s, const char *hostname) |
958 | { | |
c832840e DW |
959 | /* If a hostname is provided and parses as an IP address, |
960 | * treat it as such. */ | |
961 | if (hostname && X509_VERIFY_PARAM_set1_ip_asc(s->param, hostname) == 1) | |
962 | return 1; | |
963 | ||
919ba009 VD |
964 | return X509_VERIFY_PARAM_set1_host(s->param, hostname, 0); |
965 | } | |
966 | ||
967 | int SSL_add1_host(SSL *s, const char *hostname) | |
968 | { | |
c832840e DW |
969 | /* If a hostname is provided and parses as an IP address, |
970 | * treat it as such. */ | |
892a9e4c DW |
971 | if (hostname) |
972 | { | |
973 | ASN1_OCTET_STRING *ip; | |
974 | char *old_ip; | |
975 | ||
976 | ip = a2i_IPADDRESS(hostname); | |
977 | if (ip) { | |
978 | /* We didn't want it; only to check if it *is* an IP address */ | |
979 | ASN1_OCTET_STRING_free(ip); | |
980 | ||
981 | old_ip = X509_VERIFY_PARAM_get1_ip_asc(s->param); | |
982 | if (old_ip) | |
983 | { | |
f2bfc53b | 984 | OPENSSL_free(old_ip); |
892a9e4c DW |
985 | /* There can be only one IP address */ |
986 | return 0; | |
987 | } | |
988 | ||
989 | return X509_VERIFY_PARAM_set1_ip_asc(s->param, hostname); | |
990 | } | |
991 | } | |
c832840e | 992 | |
919ba009 VD |
993 | return X509_VERIFY_PARAM_add1_host(s->param, hostname, 0); |
994 | } | |
995 | ||
996 | void SSL_set_hostflags(SSL *s, unsigned int flags) | |
997 | { | |
998 | X509_VERIFY_PARAM_set_hostflags(s->param, flags); | |
999 | } | |
1000 | ||
4588cb44 | 1001 | const char *SSL_get0_peername(SSL *s) |
919ba009 VD |
1002 | { |
1003 | return X509_VERIFY_PARAM_get0_peername(s->param); | |
1004 | } | |
1005 | ||
1006 | int SSL_CTX_dane_enable(SSL_CTX *ctx) | |
1007 | { | |
1008 | return dane_ctx_enable(&ctx->dane); | |
1009 | } | |
1010 | ||
5ae4ceb9 VD |
1011 | unsigned long SSL_CTX_dane_set_flags(SSL_CTX *ctx, unsigned long flags) |
1012 | { | |
1013 | unsigned long orig = ctx->dane.flags; | |
1014 | ||
1015 | ctx->dane.flags |= flags; | |
1016 | return orig; | |
1017 | } | |
1018 | ||
1019 | unsigned long SSL_CTX_dane_clear_flags(SSL_CTX *ctx, unsigned long flags) | |
1020 | { | |
1021 | unsigned long orig = ctx->dane.flags; | |
1022 | ||
1023 | ctx->dane.flags &= ~flags; | |
1024 | return orig; | |
1025 | } | |
1026 | ||
919ba009 VD |
1027 | int SSL_dane_enable(SSL *s, const char *basedomain) |
1028 | { | |
b9aec69a | 1029 | SSL_DANE *dane = &s->dane; |
919ba009 VD |
1030 | |
1031 | if (s->ctx->dane.mdmax == 0) { | |
6849b73c | 1032 | ERR_raise(ERR_LIB_SSL, SSL_R_CONTEXT_NOT_DANE_ENABLED); |
919ba009 VD |
1033 | return 0; |
1034 | } | |
1035 | if (dane->trecs != NULL) { | |
6849b73c | 1036 | ERR_raise(ERR_LIB_SSL, SSL_R_DANE_ALREADY_ENABLED); |
919ba009 VD |
1037 | return 0; |
1038 | } | |
1039 | ||
8d887efa VD |
1040 | /* |
1041 | * Default SNI name. This rejects empty names, while set1_host below | |
1042 | * accepts them and disables host name checks. To avoid side-effects with | |
1043 | * invalid input, set the SNI name first. | |
1044 | */ | |
aff8c126 | 1045 | if (s->ext.hostname == NULL) { |
dccd20d1 | 1046 | if (!SSL_set_tlsext_host_name(s, basedomain)) { |
6849b73c | 1047 | ERR_raise(ERR_LIB_SSL, SSL_R_ERROR_SETTING_TLSA_BASE_DOMAIN); |
dccd20d1 | 1048 | return -1; |
8d887efa VD |
1049 | } |
1050 | } | |
1051 | ||
919ba009 VD |
1052 | /* Primary RFC6125 reference identifier */ |
1053 | if (!X509_VERIFY_PARAM_set1_host(s->param, basedomain, 0)) { | |
6849b73c | 1054 | ERR_raise(ERR_LIB_SSL, SSL_R_ERROR_SETTING_TLSA_BASE_DOMAIN); |
919ba009 VD |
1055 | return -1; |
1056 | } | |
1057 | ||
919ba009 VD |
1058 | dane->mdpth = -1; |
1059 | dane->pdpth = -1; | |
1060 | dane->dctx = &s->ctx->dane; | |
1061 | dane->trecs = sk_danetls_record_new_null(); | |
1062 | ||
1063 | if (dane->trecs == NULL) { | |
6849b73c | 1064 | ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE); |
919ba009 VD |
1065 | return -1; |
1066 | } | |
1067 | return 1; | |
1068 | } | |
1069 | ||
5ae4ceb9 VD |
1070 | unsigned long SSL_dane_set_flags(SSL *ssl, unsigned long flags) |
1071 | { | |
1072 | unsigned long orig = ssl->dane.flags; | |
1073 | ||
1074 | ssl->dane.flags |= flags; | |
1075 | return orig; | |
1076 | } | |
1077 | ||
1078 | unsigned long SSL_dane_clear_flags(SSL *ssl, unsigned long flags) | |
1079 | { | |
1080 | unsigned long orig = ssl->dane.flags; | |
1081 | ||
1082 | ssl->dane.flags &= ~flags; | |
1083 | return orig; | |
1084 | } | |
1085 | ||
919ba009 VD |
1086 | int SSL_get0_dane_authority(SSL *s, X509 **mcert, EVP_PKEY **mspki) |
1087 | { | |
b9aec69a | 1088 | SSL_DANE *dane = &s->dane; |
919ba009 | 1089 | |
c0a445a9 | 1090 | if (!DANETLS_ENABLED(dane) || s->verify_result != X509_V_OK) |
919ba009 VD |
1091 | return -1; |
1092 | if (dane->mtlsa) { | |
1093 | if (mcert) | |
1094 | *mcert = dane->mcert; | |
1095 | if (mspki) | |
1096 | *mspki = (dane->mcert == NULL) ? dane->mtlsa->spki : NULL; | |
1097 | } | |
1098 | return dane->mdpth; | |
1099 | } | |
1100 | ||
1101 | int SSL_get0_dane_tlsa(SSL *s, uint8_t *usage, uint8_t *selector, | |
1102 | uint8_t *mtype, unsigned const char **data, size_t *dlen) | |
1103 | { | |
b9aec69a | 1104 | SSL_DANE *dane = &s->dane; |
919ba009 | 1105 | |
c0a445a9 | 1106 | if (!DANETLS_ENABLED(dane) || s->verify_result != X509_V_OK) |
919ba009 VD |
1107 | return -1; |
1108 | if (dane->mtlsa) { | |
1109 | if (usage) | |
1110 | *usage = dane->mtlsa->usage; | |
1111 | if (selector) | |
1112 | *selector = dane->mtlsa->selector; | |
1113 | if (mtype) | |
1114 | *mtype = dane->mtlsa->mtype; | |
1115 | if (data) | |
1116 | *data = dane->mtlsa->data; | |
1117 | if (dlen) | |
1118 | *dlen = dane->mtlsa->dlen; | |
1119 | } | |
1120 | return dane->mdpth; | |
1121 | } | |
1122 | ||
b9aec69a | 1123 | SSL_DANE *SSL_get0_dane(SSL *s) |
919ba009 VD |
1124 | { |
1125 | return &s->dane; | |
1126 | } | |
1127 | ||
1128 | int SSL_dane_tlsa_add(SSL *s, uint8_t usage, uint8_t selector, | |
a41a6120 | 1129 | uint8_t mtype, unsigned const char *data, size_t dlen) |
919ba009 VD |
1130 | { |
1131 | return dane_tlsa_add(&s->dane, usage, selector, mtype, data, dlen); | |
1132 | } | |
1133 | ||
a230b26e EK |
1134 | int SSL_CTX_dane_mtype_set(SSL_CTX *ctx, const EVP_MD *md, uint8_t mtype, |
1135 | uint8_t ord) | |
919ba009 VD |
1136 | { |
1137 | return dane_mtype_set(&ctx->dane, md, mtype, ord); | |
1138 | } | |
1139 | ||
ccf11751 | 1140 | int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm) |
0f113f3e MC |
1141 | { |
1142 | return X509_VERIFY_PARAM_set1(ctx->param, vpm); | |
1143 | } | |
ccf11751 DSH |
1144 | |
1145 | int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm) | |
0f113f3e MC |
1146 | { |
1147 | return X509_VERIFY_PARAM_set1(ssl->param, vpm); | |
1148 | } | |
ccf11751 | 1149 | |
7af31968 | 1150 | X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx) |
0f113f3e MC |
1151 | { |
1152 | return ctx->param; | |
1153 | } | |
7af31968 DSH |
1154 | |
1155 | X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl) | |
0f113f3e MC |
1156 | { |
1157 | return ssl->param; | |
1158 | } | |
7af31968 | 1159 | |
a5ee80b9 | 1160 | void SSL_certs_clear(SSL *s) |
0f113f3e MC |
1161 | { |
1162 | ssl_cert_clear_certs(s->cert); | |
1163 | } | |
a5ee80b9 | 1164 | |
4f43d0e7 | 1165 | void SSL_free(SSL *s) |
0f113f3e MC |
1166 | { |
1167 | int i; | |
58964a49 | 1168 | |
e6e9170d RS |
1169 | if (s == NULL) |
1170 | return; | |
2f545ae4 | 1171 | CRYPTO_DOWN_REF(&s->references, &i, s->lock); |
f3f1cf84 | 1172 | REF_PRINT_COUNT("SSL", s); |
0f113f3e MC |
1173 | if (i > 0) |
1174 | return; | |
f3f1cf84 | 1175 | REF_ASSERT_ISNT(i < 0); |
d02b48c6 | 1176 | |
222561fe | 1177 | X509_VERIFY_PARAM_free(s->param); |
919ba009 | 1178 | dane_final(&s->dane); |
0f113f3e MC |
1179 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data); |
1180 | ||
50ec7505 BP |
1181 | RECORD_LAYER_release(&s->rlayer); |
1182 | ||
b77f3ed1 | 1183 | /* Ignore return value */ |
2e7dc7cd MC |
1184 | ssl_free_wbio_buffer(s); |
1185 | ||
65e2d672 | 1186 | BIO_free_all(s->wbio); |
50ec7505 | 1187 | s->wbio = NULL; |
325cfa85 | 1188 | BIO_free_all(s->rbio); |
50ec7505 | 1189 | s->rbio = NULL; |
0f113f3e | 1190 | |
25aaa98a | 1191 | BUF_MEM_free(s->init_buf); |
0f113f3e MC |
1192 | |
1193 | /* add extra stuff */ | |
25aaa98a RS |
1194 | sk_SSL_CIPHER_free(s->cipher_list); |
1195 | sk_SSL_CIPHER_free(s->cipher_list_by_id); | |
f865b081 | 1196 | sk_SSL_CIPHER_free(s->tls13_ciphersuites); |
eee2a6a7 | 1197 | sk_SSL_CIPHER_free(s->peer_ciphers); |
0f113f3e MC |
1198 | |
1199 | /* Make the next call work :-) */ | |
1200 | if (s->session != NULL) { | |
1201 | ssl_clear_bad_session(s); | |
1202 | SSL_SESSION_free(s->session); | |
1203 | } | |
9368f865 | 1204 | SSL_SESSION_free(s->psksession); |
add8d0e9 | 1205 | OPENSSL_free(s->psksession_id); |
0f113f3e | 1206 | |
d31fb0b5 | 1207 | clear_ciphers(s); |
d02b48c6 | 1208 | |
e0e920b1 | 1209 | ssl_cert_free(s->cert); |
29948ac8 | 1210 | OPENSSL_free(s->shared_sigalgs); |
0f113f3e | 1211 | /* Free up if allocated */ |
d02b48c6 | 1212 | |
aff8c126 | 1213 | OPENSSL_free(s->ext.hostname); |
222da979 | 1214 | SSL_CTX_free(s->session_ctx); |
e481f9b9 | 1215 | #ifndef OPENSSL_NO_EC |
aff8c126 | 1216 | OPENSSL_free(s->ext.ecpointformats); |
cd0fb43c | 1217 | OPENSSL_free(s->ext.peer_ecpointformats); |
187753e0 | 1218 | #endif /* OPENSSL_NO_EC */ |
aff8c126 | 1219 | OPENSSL_free(s->ext.supportedgroups); |
45436e61 | 1220 | OPENSSL_free(s->ext.peer_supportedgroups); |
aff8c126 | 1221 | sk_X509_EXTENSION_pop_free(s->ext.ocsp.exts, X509_EXTENSION_free); |
3e41ac35 | 1222 | #ifndef OPENSSL_NO_OCSP |
aff8c126 | 1223 | sk_OCSP_RESPID_pop_free(s->ext.ocsp.ids, OCSP_RESPID_free); |
3e41ac35 | 1224 | #endif |
ed29e82a RP |
1225 | #ifndef OPENSSL_NO_CT |
1226 | SCT_LIST_free(s->scts); | |
aff8c126 | 1227 | OPENSSL_free(s->ext.scts); |
ed29e82a | 1228 | #endif |
aff8c126 RS |
1229 | OPENSSL_free(s->ext.ocsp.resp); |
1230 | OPENSSL_free(s->ext.alpn); | |
cfef5027 | 1231 | OPENSSL_free(s->ext.tls13_cookie); |
94941cad MK |
1232 | if (s->clienthello != NULL) |
1233 | OPENSSL_free(s->clienthello->pre_proc_exts); | |
6b1bb98f | 1234 | OPENSSL_free(s->clienthello); |
9d75dce3 TS |
1235 | OPENSSL_free(s->pha_context); |
1236 | EVP_MD_CTX_free(s->pha_dgst); | |
0f113f3e | 1237 | |
fa7c2637 | 1238 | sk_X509_NAME_pop_free(s->ca_names, X509_NAME_free); |
98732979 | 1239 | sk_X509_NAME_pop_free(s->client_ca_names, X509_NAME_free); |
0f113f3e | 1240 | |
696178ed DSH |
1241 | sk_X509_pop_free(s->verified_chain, X509_free); |
1242 | ||
0f113f3e MC |
1243 | if (s->method != NULL) |
1244 | s->method->ssl_free(s); | |
1245 | ||
e0e920b1 | 1246 | SSL_CTX_free(s->ctx); |
7c3908dd | 1247 | |
ff75a257 MC |
1248 | ASYNC_WAIT_CTX_free(s->waitctx); |
1249 | ||
e481f9b9 | 1250 | #if !defined(OPENSSL_NO_NEXTPROTONEG) |
aff8c126 | 1251 | OPENSSL_free(s->ext.npn); |
ee2ffc27 BL |
1252 | #endif |
1253 | ||
e783bae2 | 1254 | #ifndef OPENSSL_NO_SRTP |
25aaa98a | 1255 | sk_SRTP_PROTECTION_PROFILE_free(s->srtp_profiles); |
0f113f3e MC |
1256 | #endif |
1257 | ||
16203f7b AG |
1258 | CRYPTO_THREAD_lock_free(s->lock); |
1259 | ||
0f113f3e MC |
1260 | OPENSSL_free(s); |
1261 | } | |
1262 | ||
65e2d672 | 1263 | void SSL_set0_rbio(SSL *s, BIO *rbio) |
3ffbe008 | 1264 | { |
65e2d672 | 1265 | BIO_free_all(s->rbio); |
3ffbe008 MC |
1266 | s->rbio = rbio; |
1267 | } | |
1268 | ||
65e2d672 | 1269 | void SSL_set0_wbio(SSL *s, BIO *wbio) |
0f113f3e MC |
1270 | { |
1271 | /* | |
1272 | * If the output buffering BIO is still in place, remove it | |
1273 | */ | |
2e7dc7cd MC |
1274 | if (s->bbio != NULL) |
1275 | s->wbio = BIO_pop(s->wbio); | |
1276 | ||
65e2d672 | 1277 | BIO_free_all(s->wbio); |
0f113f3e | 1278 | s->wbio = wbio; |
2e7dc7cd MC |
1279 | |
1280 | /* Re-attach |bbio| to the new |wbio|. */ | |
1281 | if (s->bbio != NULL) | |
1282 | s->wbio = BIO_push(s->bbio, s->wbio); | |
0f113f3e | 1283 | } |
d02b48c6 | 1284 | |
3ffbe008 MC |
1285 | void SSL_set_bio(SSL *s, BIO *rbio, BIO *wbio) |
1286 | { | |
65e2d672 MC |
1287 | /* |
1288 | * For historical reasons, this function has many different cases in | |
1289 | * ownership handling. | |
1290 | */ | |
1291 | ||
1292 | /* If nothing has changed, do nothing */ | |
1293 | if (rbio == SSL_get_rbio(s) && wbio == SSL_get_wbio(s)) | |
1294 | return; | |
1295 | ||
1296 | /* | |
1297 | * If the two arguments are equal then one fewer reference is granted by the | |
1298 | * caller than we want to take | |
1299 | */ | |
1300 | if (rbio != NULL && rbio == wbio) | |
1301 | BIO_up_ref(rbio); | |
1302 | ||
1303 | /* | |
1304 | * If only the wbio is changed only adopt one reference. | |
1305 | */ | |
1306 | if (rbio == SSL_get_rbio(s)) { | |
1307 | SSL_set0_wbio(s, wbio); | |
1308 | return; | |
1309 | } | |
1310 | /* | |
1311 | * There is an asymmetry here for historical reasons. If only the rbio is | |
1312 | * changed AND the rbio and wbio were originally different, then we only | |
1313 | * adopt one reference. | |
1314 | */ | |
1315 | if (wbio == SSL_get_wbio(s) && SSL_get_rbio(s) != SSL_get_wbio(s)) { | |
1316 | SSL_set0_rbio(s, rbio); | |
1317 | return; | |
1318 | } | |
1319 | ||
1320 | /* Otherwise, adopt both references. */ | |
1321 | SSL_set0_rbio(s, rbio); | |
1322 | SSL_set0_wbio(s, wbio); | |
3ffbe008 MC |
1323 | } |
1324 | ||
0821bcd4 | 1325 | BIO *SSL_get_rbio(const SSL *s) |
0f113f3e | 1326 | { |
2e7dc7cd | 1327 | return s->rbio; |
0f113f3e | 1328 | } |
d02b48c6 | 1329 | |
0821bcd4 | 1330 | BIO *SSL_get_wbio(const SSL *s) |
0f113f3e | 1331 | { |
2e7dc7cd MC |
1332 | if (s->bbio != NULL) { |
1333 | /* | |
1334 | * If |bbio| is active, the true caller-configured BIO is its | |
1335 | * |next_bio|. | |
1336 | */ | |
1337 | return BIO_next(s->bbio); | |
1338 | } | |
1339 | return s->wbio; | |
0f113f3e | 1340 | } |
d02b48c6 | 1341 | |
0821bcd4 | 1342 | int SSL_get_fd(const SSL *s) |
0f113f3e | 1343 | { |
2e7dc7cd | 1344 | return SSL_get_rfd(s); |
0f113f3e | 1345 | } |
24cbf3ef | 1346 | |
0821bcd4 | 1347 | int SSL_get_rfd(const SSL *s) |
0f113f3e MC |
1348 | { |
1349 | int ret = -1; | |
1350 | BIO *b, *r; | |
1351 | ||
1352 | b = SSL_get_rbio(s); | |
1353 | r = BIO_find_type(b, BIO_TYPE_DESCRIPTOR); | |
1354 | if (r != NULL) | |
1355 | BIO_get_fd(r, &ret); | |
26a7d938 | 1356 | return ret; |
0f113f3e | 1357 | } |
d02b48c6 | 1358 | |
0821bcd4 | 1359 | int SSL_get_wfd(const SSL *s) |
0f113f3e MC |
1360 | { |
1361 | int ret = -1; | |
1362 | BIO *b, *r; | |
1363 | ||
1364 | b = SSL_get_wbio(s); | |
1365 | r = BIO_find_type(b, BIO_TYPE_DESCRIPTOR); | |
1366 | if (r != NULL) | |
1367 | BIO_get_fd(r, &ret); | |
26a7d938 | 1368 | return ret; |
0f113f3e | 1369 | } |
24cbf3ef | 1370 | |
bc36ee62 | 1371 | #ifndef OPENSSL_NO_SOCK |
0f113f3e MC |
1372 | int SSL_set_fd(SSL *s, int fd) |
1373 | { | |
1374 | int ret = 0; | |
1375 | BIO *bio = NULL; | |
1376 | ||
1377 | bio = BIO_new(BIO_s_socket()); | |
1378 | ||
1379 | if (bio == NULL) { | |
6849b73c | 1380 | ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB); |
0f113f3e MC |
1381 | goto err; |
1382 | } | |
1383 | BIO_set_fd(bio, fd, BIO_NOCLOSE); | |
1384 | SSL_set_bio(s, bio, bio); | |
50ec7505 BP |
1385 | #ifndef OPENSSL_NO_KTLS |
1386 | /* | |
1387 | * The new socket is created successfully regardless of ktls_enable. | |
1388 | * ktls_enable doesn't change any functionality of the socket, except | |
1389 | * changing the setsockopt to enable the processing of ktls_start. | |
1390 | * Thus, it is not a problem to call it for non-TLS sockets. | |
1391 | */ | |
1392 | ktls_enable(fd); | |
1393 | #endif /* OPENSSL_NO_KTLS */ | |
0f113f3e MC |
1394 | ret = 1; |
1395 | err: | |
26a7d938 | 1396 | return ret; |
0f113f3e | 1397 | } |
d02b48c6 | 1398 | |
0f113f3e MC |
1399 | int SSL_set_wfd(SSL *s, int fd) |
1400 | { | |
2e7dc7cd | 1401 | BIO *rbio = SSL_get_rbio(s); |
0f113f3e | 1402 | |
2e7dc7cd MC |
1403 | if (rbio == NULL || BIO_method_type(rbio) != BIO_TYPE_SOCKET |
1404 | || (int)BIO_get_fd(rbio, NULL) != fd) { | |
1405 | BIO *bio = BIO_new(BIO_s_socket()); | |
0f113f3e MC |
1406 | |
1407 | if (bio == NULL) { | |
6849b73c | 1408 | ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB); |
2e7dc7cd | 1409 | return 0; |
0f113f3e MC |
1410 | } |
1411 | BIO_set_fd(bio, fd, BIO_NOCLOSE); | |
65e2d672 | 1412 | SSL_set0_wbio(s, bio); |
50ec7505 BP |
1413 | #ifndef OPENSSL_NO_KTLS |
1414 | /* | |
1415 | * The new socket is created successfully regardless of ktls_enable. | |
1416 | * ktls_enable doesn't change any functionality of the socket, except | |
1417 | * changing the setsockopt to enable the processing of ktls_start. | |
1418 | * Thus, it is not a problem to call it for non-TLS sockets. | |
1419 | */ | |
1420 | ktls_enable(fd); | |
1421 | #endif /* OPENSSL_NO_KTLS */ | |
2e7dc7cd | 1422 | } else { |
65e2d672 MC |
1423 | BIO_up_ref(rbio); |
1424 | SSL_set0_wbio(s, rbio); | |
2e7dc7cd MC |
1425 | } |
1426 | return 1; | |
0f113f3e MC |
1427 | } |
1428 | ||
1429 | int SSL_set_rfd(SSL *s, int fd) | |
1430 | { | |
2e7dc7cd | 1431 | BIO *wbio = SSL_get_wbio(s); |
0f113f3e | 1432 | |
2e7dc7cd MC |
1433 | if (wbio == NULL || BIO_method_type(wbio) != BIO_TYPE_SOCKET |
1434 | || ((int)BIO_get_fd(wbio, NULL) != fd)) { | |
1435 | BIO *bio = BIO_new(BIO_s_socket()); | |
0f113f3e MC |
1436 | |
1437 | if (bio == NULL) { | |
6849b73c | 1438 | ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB); |
2e7dc7cd | 1439 | return 0; |
0f113f3e MC |
1440 | } |
1441 | BIO_set_fd(bio, fd, BIO_NOCLOSE); | |
65e2d672 | 1442 | SSL_set0_rbio(s, bio); |
2e7dc7cd | 1443 | } else { |
65e2d672 MC |
1444 | BIO_up_ref(wbio); |
1445 | SSL_set0_rbio(s, wbio); | |
2e7dc7cd MC |
1446 | } |
1447 | ||
1448 | return 1; | |
0f113f3e MC |
1449 | } |
1450 | #endif | |
ca03109c BM |
1451 | |
1452 | /* return length of latest Finished message we sent, copy to 'buf' */ | |
0821bcd4 | 1453 | size_t SSL_get_finished(const SSL *s, void *buf, size_t count) |
0f113f3e MC |
1454 | { |
1455 | size_t ret = 0; | |
1456 | ||
555cbb32 TS |
1457 | ret = s->s3.tmp.finish_md_len; |
1458 | if (count > ret) | |
1459 | count = ret; | |
1460 | memcpy(buf, s->s3.tmp.finish_md, count); | |
0f113f3e MC |
1461 | return ret; |
1462 | } | |
ca03109c BM |
1463 | |
1464 | /* return length of latest Finished message we expected, copy to 'buf' */ | |
0821bcd4 | 1465 | size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count) |
0f113f3e MC |
1466 | { |
1467 | size_t ret = 0; | |
ca03109c | 1468 | |
555cbb32 TS |
1469 | ret = s->s3.tmp.peer_finish_md_len; |
1470 | if (count > ret) | |
1471 | count = ret; | |
1472 | memcpy(buf, s->s3.tmp.peer_finish_md, count); | |
0f113f3e MC |
1473 | return ret; |
1474 | } | |
ca03109c | 1475 | |
0821bcd4 | 1476 | int SSL_get_verify_mode(const SSL *s) |
0f113f3e | 1477 | { |
26a7d938 | 1478 | return s->verify_mode; |
0f113f3e | 1479 | } |
d02b48c6 | 1480 | |
0821bcd4 | 1481 | int SSL_get_verify_depth(const SSL *s) |
0f113f3e MC |
1482 | { |
1483 | return X509_VERIFY_PARAM_get_depth(s->param); | |
1484 | } | |
7f89714e | 1485 | |
0f113f3e | 1486 | int (*SSL_get_verify_callback(const SSL *s)) (int, X509_STORE_CTX *) { |
26a7d938 | 1487 | return s->verify_callback; |
0f113f3e | 1488 | } |
d02b48c6 | 1489 | |
0821bcd4 | 1490 | int SSL_CTX_get_verify_mode(const SSL_CTX *ctx) |
0f113f3e | 1491 | { |
26a7d938 | 1492 | return ctx->verify_mode; |
0f113f3e | 1493 | } |
d02b48c6 | 1494 | |
0821bcd4 | 1495 | int SSL_CTX_get_verify_depth(const SSL_CTX *ctx) |
0f113f3e MC |
1496 | { |
1497 | return X509_VERIFY_PARAM_get_depth(ctx->param); | |
1498 | } | |
1499 | ||
1500 | int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx)) (int, X509_STORE_CTX *) { | |
26a7d938 | 1501 | return ctx->default_verify_callback; |
0f113f3e MC |
1502 | } |
1503 | ||
1504 | void SSL_set_verify(SSL *s, int mode, | |
1505 | int (*callback) (int ok, X509_STORE_CTX *ctx)) | |
1506 | { | |
1507 | s->verify_mode = mode; | |
1508 | if (callback != NULL) | |
1509 | s->verify_callback = callback; | |
1510 | } | |
1511 | ||
1512 | void SSL_set_verify_depth(SSL *s, int depth) | |
1513 | { | |
1514 | X509_VERIFY_PARAM_set_depth(s->param, depth); | |
1515 | } | |
1516 | ||
1517 | void SSL_set_read_ahead(SSL *s, int yes) | |
1518 | { | |
52e1d7b1 | 1519 | RECORD_LAYER_set_read_ahead(&s->rlayer, yes); |
0f113f3e | 1520 | } |
d02b48c6 | 1521 | |
0821bcd4 | 1522 | int SSL_get_read_ahead(const SSL *s) |
0f113f3e | 1523 | { |
52e1d7b1 | 1524 | return RECORD_LAYER_get_read_ahead(&s->rlayer); |
0f113f3e | 1525 | } |
d02b48c6 | 1526 | |
0821bcd4 | 1527 | int SSL_pending(const SSL *s) |
0f113f3e | 1528 | { |
8b0e934a MC |
1529 | size_t pending = s->method->ssl_pending(s); |
1530 | ||
0f113f3e MC |
1531 | /* |
1532 | * SSL_pending cannot work properly if read-ahead is enabled | |
1533 | * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)), and it is | |
1534 | * impossible to fix since SSL_pending cannot report errors that may be | |
1535 | * observed while scanning the new data. (Note that SSL_pending() is | |
1536 | * often used as a boolean value, so we'd better not return -1.) | |
8b0e934a MC |
1537 | * |
1538 | * SSL_pending also cannot work properly if the value >INT_MAX. In that case | |
1539 | * we just return INT_MAX. | |
0f113f3e | 1540 | */ |
348240c6 | 1541 | return pending < INT_MAX ? (int)pending : INT_MAX; |
0f113f3e | 1542 | } |
d02b48c6 | 1543 | |
49580f25 MC |
1544 | int SSL_has_pending(const SSL *s) |
1545 | { | |
1546 | /* | |
1547 | * Similar to SSL_pending() but returns a 1 to indicate that we have | |
1548 | * unprocessed data available or 0 otherwise (as opposed to the number of | |
1549 | * bytes available). Unlike SSL_pending() this will take into account | |
1550 | * read_ahead data. A 1 return simply indicates that we have unprocessed | |
1551 | * data. That data may not result in any application data, or we may fail | |
1552 | * to parse the records for some reason. | |
1553 | */ | |
b8c49611 | 1554 | if (RECORD_LAYER_processed_read_pending(&s->rlayer)) |
49580f25 MC |
1555 | return 1; |
1556 | ||
1557 | return RECORD_LAYER_read_pending(&s->rlayer); | |
1558 | } | |
1559 | ||
8c2bfd25 | 1560 | X509 *SSL_get1_peer_certificate(const SSL *s) |
0f113f3e | 1561 | { |
8c2bfd25 | 1562 | X509 *r = SSL_get0_peer_certificate(s); |
d02b48c6 | 1563 | |
8c2bfd25 TS |
1564 | if (r != NULL) |
1565 | X509_up_ref(r); | |
0f113f3e | 1566 | |
26a7d938 | 1567 | return r; |
0f113f3e | 1568 | } |
d02b48c6 | 1569 | |
8c2bfd25 TS |
1570 | X509 *SSL_get0_peer_certificate(const SSL *s) |
1571 | { | |
1572 | if ((s == NULL) || (s->session == NULL)) | |
1573 | return NULL; | |
1574 | else | |
1575 | return s->session->peer; | |
1576 | } | |
1577 | ||
0821bcd4 | 1578 | STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s) |
0f113f3e MC |
1579 | { |
1580 | STACK_OF(X509) *r; | |
1581 | ||
c34b0f99 | 1582 | if ((s == NULL) || (s->session == NULL)) |
0f113f3e MC |
1583 | r = NULL; |
1584 | else | |
c34b0f99 | 1585 | r = s->session->peer_chain; |
0f113f3e MC |
1586 | |
1587 | /* | |
1588 | * If we are a client, cert_chain includes the peer's own certificate; if | |
1589 | * we are a server, it does not. | |
1590 | */ | |
1591 | ||
26a7d938 | 1592 | return r; |
0f113f3e MC |
1593 | } |
1594 | ||
1595 | /* | |
1596 | * Now in theory, since the calling process own 't' it should be safe to | |
1597 | * modify. We need to be able to read f without being hassled | |
1598 | */ | |
17dd65e6 | 1599 | int SSL_copy_session_id(SSL *t, const SSL *f) |
0f113f3e | 1600 | { |
16203f7b | 1601 | int i; |
0f113f3e | 1602 | /* Do we need to to SSL locking? */ |
61986d32 | 1603 | if (!SSL_set_session(t, SSL_get_session(f))) { |
17dd65e6 | 1604 | return 0; |
69f68237 | 1605 | } |
0f113f3e MC |
1606 | |
1607 | /* | |
87d9cafa | 1608 | * what if we are setup for one protocol version but want to talk another |
0f113f3e MC |
1609 | */ |
1610 | if (t->method != f->method) { | |
919ba009 VD |
1611 | t->method->ssl_free(t); |
1612 | t->method = f->method; | |
1613 | if (t->method->ssl_new(t) == 0) | |
1614 | return 0; | |
0f113f3e MC |
1615 | } |
1616 | ||
2f545ae4 | 1617 | CRYPTO_UP_REF(&f->cert->references, &i, f->cert->lock); |
24a0d393 KR |
1618 | ssl_cert_free(t->cert); |
1619 | t->cert = f->cert; | |
348240c6 | 1620 | if (!SSL_set_session_id_context(t, f->sid_ctx, (int)f->sid_ctx_length)) { |
17dd65e6 | 1621 | return 0; |
69f68237 | 1622 | } |
17dd65e6 MC |
1623 | |
1624 | return 1; | |
0f113f3e | 1625 | } |
d02b48c6 | 1626 | |
58964a49 | 1627 | /* Fix this so it checks all the valid key/cert options */ |
0821bcd4 | 1628 | int SSL_CTX_check_private_key(const SSL_CTX *ctx) |
0f113f3e | 1629 | { |
a230b26e | 1630 | if ((ctx == NULL) || (ctx->cert->key->x509 == NULL)) { |
6849b73c | 1631 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_CERTIFICATE_ASSIGNED); |
26a7d938 | 1632 | return 0; |
0f113f3e MC |
1633 | } |
1634 | if (ctx->cert->key->privatekey == NULL) { | |
6849b73c | 1635 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_PRIVATE_KEY_ASSIGNED); |
26a7d938 | 1636 | return 0; |
0f113f3e | 1637 | } |
26a7d938 K |
1638 | return X509_check_private_key |
1639 | (ctx->cert->key->x509, ctx->cert->key->privatekey); | |
0f113f3e | 1640 | } |
d02b48c6 | 1641 | |
58964a49 | 1642 | /* Fix this function so that it takes an optional type parameter */ |
0821bcd4 | 1643 | int SSL_check_private_key(const SSL *ssl) |
0f113f3e MC |
1644 | { |
1645 | if (ssl == NULL) { | |
6849b73c | 1646 | ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER); |
26a7d938 | 1647 | return 0; |
0f113f3e | 1648 | } |
0f113f3e | 1649 | if (ssl->cert->key->x509 == NULL) { |
6849b73c | 1650 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_CERTIFICATE_ASSIGNED); |
26a7d938 | 1651 | return 0; |
0f113f3e MC |
1652 | } |
1653 | if (ssl->cert->key->privatekey == NULL) { | |
6849b73c | 1654 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_PRIVATE_KEY_ASSIGNED); |
26a7d938 | 1655 | return 0; |
0f113f3e | 1656 | } |
26a7d938 K |
1657 | return X509_check_private_key(ssl->cert->key->x509, |
1658 | ssl->cert->key->privatekey); | |
0f113f3e | 1659 | } |
d02b48c6 | 1660 | |
07bbc92c MC |
1661 | int SSL_waiting_for_async(SSL *s) |
1662 | { | |
e8aa8b6c | 1663 | if (s->job) |
82676094 MC |
1664 | return 1; |
1665 | ||
07bbc92c MC |
1666 | return 0; |
1667 | } | |
1668 | ||
ff75a257 | 1669 | int SSL_get_all_async_fds(SSL *s, OSSL_ASYNC_FD *fds, size_t *numfds) |
f4da39d2 | 1670 | { |
ff75a257 MC |
1671 | ASYNC_WAIT_CTX *ctx = s->waitctx; |
1672 | ||
1673 | if (ctx == NULL) | |
1674 | return 0; | |
1675 | return ASYNC_WAIT_CTX_get_all_fds(ctx, fds, numfds); | |
1676 | } | |
f4da39d2 | 1677 | |
ff75a257 MC |
1678 | int SSL_get_changed_async_fds(SSL *s, OSSL_ASYNC_FD *addfd, size_t *numaddfds, |
1679 | OSSL_ASYNC_FD *delfd, size_t *numdelfds) | |
1680 | { | |
1681 | ASYNC_WAIT_CTX *ctx = s->waitctx; | |
1682 | ||
1683 | if (ctx == NULL) | |
1684 | return 0; | |
1685 | return ASYNC_WAIT_CTX_get_changed_fds(ctx, addfd, numaddfds, delfd, | |
1686 | numdelfds); | |
f4da39d2 MC |
1687 | } |
1688 | ||
9f5a87fd PY |
1689 | int SSL_CTX_set_async_callback(SSL_CTX *ctx, SSL_async_callback_fn callback) |
1690 | { | |
1691 | ctx->async_cb = callback; | |
1692 | return 1; | |
1693 | } | |
1694 | ||
1695 | int SSL_CTX_set_async_callback_arg(SSL_CTX *ctx, void *arg) | |
1696 | { | |
1697 | ctx->async_cb_arg = arg; | |
1698 | return 1; | |
1699 | } | |
1700 | ||
1701 | int SSL_set_async_callback(SSL *s, SSL_async_callback_fn callback) | |
1702 | { | |
1703 | s->async_cb = callback; | |
1704 | return 1; | |
1705 | } | |
1706 | ||
1707 | int SSL_set_async_callback_arg(SSL *s, void *arg) | |
1708 | { | |
1709 | s->async_cb_arg = arg; | |
1710 | return 1; | |
1711 | } | |
1712 | ||
1713 | int SSL_get_async_status(SSL *s, int *status) | |
1714 | { | |
1715 | ASYNC_WAIT_CTX *ctx = s->waitctx; | |
1716 | ||
1717 | if (ctx == NULL) | |
1718 | return 0; | |
1719 | *status = ASYNC_WAIT_CTX_get_status(ctx); | |
1720 | return 1; | |
1721 | } | |
1722 | ||
4f43d0e7 | 1723 | int SSL_accept(SSL *s) |
0f113f3e | 1724 | { |
c4c32155 | 1725 | if (s->handshake_func == NULL) { |
0f113f3e MC |
1726 | /* Not properly initialized yet */ |
1727 | SSL_set_accept_state(s); | |
07bbc92c | 1728 | } |
add2f5ca MC |
1729 | |
1730 | return SSL_do_handshake(s); | |
0f113f3e | 1731 | } |
d02b48c6 | 1732 | |
4f43d0e7 | 1733 | int SSL_connect(SSL *s) |
0f113f3e | 1734 | { |
c4c32155 | 1735 | if (s->handshake_func == NULL) { |
0f113f3e MC |
1736 | /* Not properly initialized yet */ |
1737 | SSL_set_connect_state(s); | |
add2f5ca | 1738 | } |
b31b04d9 | 1739 | |
add2f5ca | 1740 | return SSL_do_handshake(s); |
0f113f3e | 1741 | } |
d02b48c6 | 1742 | |
0821bcd4 | 1743 | long SSL_get_default_timeout(const SSL *s) |
0f113f3e | 1744 | { |
26a7d938 | 1745 | return s->method->get_timeout(); |
0f113f3e MC |
1746 | } |
1747 | ||
9f5a87fd PY |
1748 | static int ssl_async_wait_ctx_cb(void *arg) |
1749 | { | |
1750 | SSL *s = (SSL *)arg; | |
1751 | ||
1752 | return s->async_cb(s, s->async_cb_arg); | |
1753 | } | |
1754 | ||
7fecbf6f | 1755 | static int ssl_start_async_job(SSL *s, struct ssl_async_args *args, |
a230b26e EK |
1756 | int (*func) (void *)) |
1757 | { | |
add2f5ca | 1758 | int ret; |
ff75a257 MC |
1759 | if (s->waitctx == NULL) { |
1760 | s->waitctx = ASYNC_WAIT_CTX_new(); | |
1761 | if (s->waitctx == NULL) | |
1762 | return -1; | |
9f5a87fd PY |
1763 | if (s->async_cb != NULL |
1764 | && !ASYNC_WAIT_CTX_set_callback | |
1765 | (s->waitctx, ssl_async_wait_ctx_cb, s)) | |
1766 | return -1; | |
ff75a257 | 1767 | } |
e8aa8b6c | 1768 | switch (ASYNC_start_job(&s->job, s->waitctx, &ret, func, args, |
a230b26e | 1769 | sizeof(struct ssl_async_args))) { |
add2f5ca MC |
1770 | case ASYNC_ERR: |
1771 | s->rwstate = SSL_NOTHING; | |
6849b73c | 1772 | ERR_raise(ERR_LIB_SSL, SSL_R_FAILED_TO_INIT_ASYNC); |
add2f5ca MC |
1773 | return -1; |
1774 | case ASYNC_PAUSE: | |
1775 | s->rwstate = SSL_ASYNC_PAUSED; | |
1776 | return -1; | |
fc7f190c MC |
1777 | case ASYNC_NO_JOBS: |
1778 | s->rwstate = SSL_ASYNC_NO_JOBS; | |
1779 | return -1; | |
add2f5ca MC |
1780 | case ASYNC_FINISH: |
1781 | s->job = NULL; | |
1782 | return ret; | |
1783 | default: | |
1784 | s->rwstate = SSL_NOTHING; | |
6849b73c | 1785 | ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR); |
add2f5ca MC |
1786 | /* Shouldn't happen */ |
1787 | return -1; | |
1788 | } | |
1789 | } | |
07bbc92c | 1790 | |
add2f5ca | 1791 | static int ssl_io_intern(void *vargs) |
07bbc92c MC |
1792 | { |
1793 | struct ssl_async_args *args; | |
1794 | SSL *s; | |
1795 | void *buf; | |
348240c6 | 1796 | size_t num; |
07bbc92c MC |
1797 | |
1798 | args = (struct ssl_async_args *)vargs; | |
1799 | s = args->s; | |
1800 | buf = args->buf; | |
1801 | num = args->num; | |
ec447924 MC |
1802 | switch (args->type) { |
1803 | case READFUNC: | |
7ee8627f | 1804 | return args->f.func_read(s, buf, num, &s->asyncrw); |
ec447924 | 1805 | case WRITEFUNC: |
7ee8627f | 1806 | return args->f.func_write(s, buf, num, &s->asyncrw); |
ec447924 MC |
1807 | case OTHERFUNC: |
1808 | return args->f.func_other(s); | |
1809 | } | |
1810 | return -1; | |
07bbc92c MC |
1811 | } |
1812 | ||
4ee7d3f9 | 1813 | int ssl_read_internal(SSL *s, void *buf, size_t num, size_t *readbytes) |
0f113f3e | 1814 | { |
c4c32155 | 1815 | if (s->handshake_func == NULL) { |
6849b73c | 1816 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
0f113f3e MC |
1817 | return -1; |
1818 | } | |
1819 | ||
1820 | if (s->shutdown & SSL_RECEIVED_SHUTDOWN) { | |
1821 | s->rwstate = SSL_NOTHING; | |
4ee7d3f9 | 1822 | return 0; |
0f113f3e | 1823 | } |
07bbc92c | 1824 | |
564547e4 MC |
1825 | if (s->early_data_state == SSL_EARLY_DATA_CONNECT_RETRY |
1826 | || s->early_data_state == SSL_EARLY_DATA_ACCEPT_RETRY) { | |
6849b73c | 1827 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
0a5ece5b MC |
1828 | return 0; |
1829 | } | |
564547e4 MC |
1830 | /* |
1831 | * If we are a client and haven't received the ServerHello etc then we | |
1832 | * better do that | |
1833 | */ | |
1834 | ossl_statem_check_finish_init(s, 0); | |
0a5ece5b | 1835 | |
e8aa8b6c | 1836 | if ((s->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
add2f5ca | 1837 | struct ssl_async_args args; |
eda75751 | 1838 | int ret; |
add2f5ca MC |
1839 | |
1840 | args.s = s; | |
1841 | args.buf = buf; | |
1842 | args.num = num; | |
ec447924 MC |
1843 | args.type = READFUNC; |
1844 | args.f.func_read = s->method->ssl_read; | |
add2f5ca | 1845 | |
eda75751 | 1846 | ret = ssl_start_async_job(s, &args, ssl_io_intern); |
54105ddd | 1847 | *readbytes = s->asyncrw; |
eda75751 | 1848 | return ret; |
07bbc92c | 1849 | } else { |
54105ddd | 1850 | return s->method->ssl_read(s, buf, num, readbytes); |
07bbc92c | 1851 | } |
0f113f3e MC |
1852 | } |
1853 | ||
4ee7d3f9 | 1854 | int SSL_read(SSL *s, void *buf, int num) |
eda75751 MC |
1855 | { |
1856 | int ret; | |
54105ddd | 1857 | size_t readbytes; |
eda75751 MC |
1858 | |
1859 | if (num < 0) { | |
6849b73c | 1860 | ERR_raise(ERR_LIB_SSL, SSL_R_BAD_LENGTH); |
eda75751 MC |
1861 | return -1; |
1862 | } | |
1863 | ||
4ee7d3f9 | 1864 | ret = ssl_read_internal(s, buf, (size_t)num, &readbytes); |
eda75751 MC |
1865 | |
1866 | /* | |
1867 | * The cast is safe here because ret should be <= INT_MAX because num is | |
1868 | * <= INT_MAX | |
1869 | */ | |
1870 | if (ret > 0) | |
54105ddd | 1871 | ret = (int)readbytes; |
eda75751 MC |
1872 | |
1873 | return ret; | |
1874 | } | |
1875 | ||
4ee7d3f9 KR |
1876 | int SSL_read_ex(SSL *s, void *buf, size_t num, size_t *readbytes) |
1877 | { | |
1878 | int ret = ssl_read_internal(s, buf, num, readbytes); | |
1879 | ||
1880 | if (ret < 0) | |
1881 | ret = 0; | |
1882 | return ret; | |
1883 | } | |
1884 | ||
f533fbd4 | 1885 | int SSL_read_early_data(SSL *s, void *buf, size_t num, size_t *readbytes) |
d781d247 MC |
1886 | { |
1887 | int ret; | |
1888 | ||
1889 | if (!s->server) { | |
6849b73c | 1890 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
f533fbd4 | 1891 | return SSL_READ_EARLY_DATA_ERROR; |
d781d247 MC |
1892 | } |
1893 | ||
d781d247 MC |
1894 | switch (s->early_data_state) { |
1895 | case SSL_EARLY_DATA_NONE: | |
1896 | if (!SSL_in_before(s)) { | |
6849b73c | 1897 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
f533fbd4 | 1898 | return SSL_READ_EARLY_DATA_ERROR; |
d781d247 MC |
1899 | } |
1900 | /* fall through */ | |
1901 | ||
1902 | case SSL_EARLY_DATA_ACCEPT_RETRY: | |
1903 | s->early_data_state = SSL_EARLY_DATA_ACCEPTING; | |
1904 | ret = SSL_accept(s); | |
1905 | if (ret <= 0) { | |
1906 | /* NBIO or error */ | |
1907 | s->early_data_state = SSL_EARLY_DATA_ACCEPT_RETRY; | |
f533fbd4 | 1908 | return SSL_READ_EARLY_DATA_ERROR; |
d781d247 MC |
1909 | } |
1910 | /* fall through */ | |
1911 | ||
1912 | case SSL_EARLY_DATA_READ_RETRY: | |
1913 | if (s->ext.early_data == SSL_EARLY_DATA_ACCEPTED) { | |
1914 | s->early_data_state = SSL_EARLY_DATA_READING; | |
1915 | ret = SSL_read_ex(s, buf, num, readbytes); | |
1916 | /* | |
ef6c191b MC |
1917 | * State machine will update early_data_state to |
1918 | * SSL_EARLY_DATA_FINISHED_READING if we get an EndOfEarlyData | |
1919 | * message | |
d781d247 MC |
1920 | */ |
1921 | if (ret > 0 || (ret <= 0 && s->early_data_state | |
1922 | != SSL_EARLY_DATA_FINISHED_READING)) { | |
1923 | s->early_data_state = SSL_EARLY_DATA_READ_RETRY; | |
f533fbd4 MC |
1924 | return ret > 0 ? SSL_READ_EARLY_DATA_SUCCESS |
1925 | : SSL_READ_EARLY_DATA_ERROR; | |
d781d247 MC |
1926 | } |
1927 | } else { | |
1928 | s->early_data_state = SSL_EARLY_DATA_FINISHED_READING; | |
1929 | } | |
1930 | *readbytes = 0; | |
f533fbd4 | 1931 | return SSL_READ_EARLY_DATA_FINISH; |
d781d247 MC |
1932 | |
1933 | default: | |
6849b73c | 1934 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
f533fbd4 | 1935 | return SSL_READ_EARLY_DATA_ERROR; |
d781d247 MC |
1936 | } |
1937 | } | |
1938 | ||
f5b519c4 | 1939 | int SSL_get_early_data_status(const SSL *s) |
1ea4d09a MC |
1940 | { |
1941 | return s->ext.early_data; | |
1942 | } | |
1943 | ||
4ee7d3f9 | 1944 | static int ssl_peek_internal(SSL *s, void *buf, size_t num, size_t *readbytes) |
0f113f3e | 1945 | { |
c4c32155 | 1946 | if (s->handshake_func == NULL) { |
6849b73c | 1947 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
0f113f3e MC |
1948 | return -1; |
1949 | } | |
1950 | ||
1951 | if (s->shutdown & SSL_RECEIVED_SHUTDOWN) { | |
4ee7d3f9 | 1952 | return 0; |
0f113f3e | 1953 | } |
e8aa8b6c | 1954 | if ((s->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
add2f5ca | 1955 | struct ssl_async_args args; |
eda75751 | 1956 | int ret; |
0f113f3e | 1957 | |
add2f5ca MC |
1958 | args.s = s; |
1959 | args.buf = buf; | |
1960 | args.num = num; | |
ec447924 MC |
1961 | args.type = READFUNC; |
1962 | args.f.func_read = s->method->ssl_peek; | |
07bbc92c | 1963 | |
eda75751 | 1964 | ret = ssl_start_async_job(s, &args, ssl_io_intern); |
54105ddd | 1965 | *readbytes = s->asyncrw; |
eda75751 | 1966 | return ret; |
add2f5ca | 1967 | } else { |
54105ddd | 1968 | return s->method->ssl_peek(s, buf, num, readbytes); |
add2f5ca | 1969 | } |
07bbc92c MC |
1970 | } |
1971 | ||
4ee7d3f9 | 1972 | int SSL_peek(SSL *s, void *buf, int num) |
7ee8627f MC |
1973 | { |
1974 | int ret; | |
4ee7d3f9 | 1975 | size_t readbytes; |
7ee8627f MC |
1976 | |
1977 | if (num < 0) { | |
6849b73c | 1978 | ERR_raise(ERR_LIB_SSL, SSL_R_BAD_LENGTH); |
7ee8627f MC |
1979 | return -1; |
1980 | } | |
1981 | ||
4ee7d3f9 | 1982 | ret = ssl_peek_internal(s, buf, (size_t)num, &readbytes); |
7ee8627f MC |
1983 | |
1984 | /* | |
1985 | * The cast is safe here because ret should be <= INT_MAX because num is | |
1986 | * <= INT_MAX | |
1987 | */ | |
1988 | if (ret > 0) | |
4ee7d3f9 | 1989 | ret = (int)readbytes; |
7ee8627f MC |
1990 | |
1991 | return ret; | |
1992 | } | |
1993 | ||
4ee7d3f9 KR |
1994 | |
1995 | int SSL_peek_ex(SSL *s, void *buf, size_t num, size_t *readbytes) | |
1996 | { | |
1997 | int ret = ssl_peek_internal(s, buf, num, readbytes); | |
1998 | ||
1999 | if (ret < 0) | |
2000 | ret = 0; | |
2001 | return ret; | |
2002 | } | |
2003 | ||
2004 | int ssl_write_internal(SSL *s, const void *buf, size_t num, size_t *written) | |
0f113f3e | 2005 | { |
c4c32155 | 2006 | if (s->handshake_func == NULL) { |
6849b73c | 2007 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
0f113f3e MC |
2008 | return -1; |
2009 | } | |
2010 | ||
2011 | if (s->shutdown & SSL_SENT_SHUTDOWN) { | |
2012 | s->rwstate = SSL_NOTHING; | |
6849b73c | 2013 | ERR_raise(ERR_LIB_SSL, SSL_R_PROTOCOL_IS_SHUTDOWN); |
4ee7d3f9 | 2014 | return -1; |
0f113f3e | 2015 | } |
07bbc92c | 2016 | |
ef6c191b | 2017 | if (s->early_data_state == SSL_EARLY_DATA_CONNECT_RETRY |
09f28874 MC |
2018 | || s->early_data_state == SSL_EARLY_DATA_ACCEPT_RETRY |
2019 | || s->early_data_state == SSL_EARLY_DATA_READ_RETRY) { | |
6849b73c | 2020 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
49e7fe12 | 2021 | return 0; |
0a5ece5b | 2022 | } |
564547e4 MC |
2023 | /* If we are a client and haven't sent the Finished we better do that */ |
2024 | ossl_statem_check_finish_init(s, 1); | |
49e7fe12 | 2025 | |
e8aa8b6c | 2026 | if ((s->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
7ee8627f | 2027 | int ret; |
add2f5ca MC |
2028 | struct ssl_async_args args; |
2029 | ||
2030 | args.s = s; | |
2031 | args.buf = (void *)buf; | |
2032 | args.num = num; | |
ec447924 MC |
2033 | args.type = WRITEFUNC; |
2034 | args.f.func_write = s->method->ssl_write; | |
add2f5ca | 2035 | |
7ee8627f MC |
2036 | ret = ssl_start_async_job(s, &args, ssl_io_intern); |
2037 | *written = s->asyncrw; | |
2038 | return ret; | |
07bbc92c | 2039 | } else { |
7ee8627f | 2040 | return s->method->ssl_write(s, buf, num, written); |
07bbc92c | 2041 | } |
0f113f3e | 2042 | } |
d02b48c6 | 2043 | |
7c3a7561 BP |
2044 | ossl_ssize_t SSL_sendfile(SSL *s, int fd, off_t offset, size_t size, int flags) |
2045 | { | |
2046 | ossl_ssize_t ret; | |
2047 | ||
2048 | if (s->handshake_func == NULL) { | |
6849b73c | 2049 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
7c3a7561 BP |
2050 | return -1; |
2051 | } | |
2052 | ||
2053 | if (s->shutdown & SSL_SENT_SHUTDOWN) { | |
2054 | s->rwstate = SSL_NOTHING; | |
6849b73c | 2055 | ERR_raise(ERR_LIB_SSL, SSL_R_PROTOCOL_IS_SHUTDOWN); |
7c3a7561 BP |
2056 | return -1; |
2057 | } | |
2058 | ||
2059 | if (!BIO_get_ktls_send(s->wbio)) { | |
6849b73c | 2060 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
7c3a7561 BP |
2061 | return -1; |
2062 | } | |
2063 | ||
2064 | /* If we have an alert to send, lets send it */ | |
2065 | if (s->s3.alert_dispatch) { | |
2066 | ret = (ossl_ssize_t)s->method->ssl_dispatch_alert(s); | |
2067 | if (ret <= 0) { | |
2068 | /* SSLfatal() already called if appropriate */ | |
2069 | return ret; | |
2070 | } | |
2071 | /* if it went, fall through and send more stuff */ | |
2072 | } | |
2073 | ||
2074 | s->rwstate = SSL_WRITING; | |
2075 | if (BIO_flush(s->wbio) <= 0) { | |
2076 | if (!BIO_should_retry(s->wbio)) { | |
2077 | s->rwstate = SSL_NOTHING; | |
2078 | } else { | |
2079 | #ifdef EAGAIN | |
2080 | set_sys_error(EAGAIN); | |
2081 | #endif | |
2082 | } | |
2083 | return -1; | |
2084 | } | |
2085 | ||
712c0942 | 2086 | #ifdef OPENSSL_NO_KTLS |
fa7a8074 RL |
2087 | ERR_raise_data(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR, |
2088 | "can't call ktls_sendfile(), ktls disabled"); | |
712c0942 | 2089 | return -1; |
7c3a7561 | 2090 | #else |
712c0942 | 2091 | ret = ktls_sendfile(SSL_get_wfd(s), fd, offset, size, flags); |
7c3a7561 BP |
2092 | if (ret < 0) { |
2093 | #if defined(EAGAIN) && defined(EINTR) && defined(EBUSY) | |
2094 | if ((get_last_sys_error() == EAGAIN) || | |
2095 | (get_last_sys_error() == EINTR) || | |
2096 | (get_last_sys_error() == EBUSY)) | |
2097 | BIO_set_retry_write(s->wbio); | |
2098 | else | |
2099 | #endif | |
6849b73c | 2100 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
7c3a7561 BP |
2101 | return ret; |
2102 | } | |
2103 | s->rwstate = SSL_NOTHING; | |
2104 | return ret; | |
712c0942 | 2105 | #endif |
7c3a7561 BP |
2106 | } |
2107 | ||
4ee7d3f9 KR |
2108 | int SSL_write(SSL *s, const void *buf, int num) |
2109 | { | |
2110 | int ret; | |
2111 | size_t written; | |
2112 | ||
2113 | if (num < 0) { | |
6849b73c | 2114 | ERR_raise(ERR_LIB_SSL, SSL_R_BAD_LENGTH); |
4ee7d3f9 KR |
2115 | return -1; |
2116 | } | |
2117 | ||
2118 | ret = ssl_write_internal(s, buf, (size_t)num, &written); | |
2119 | ||
2120 | /* | |
2121 | * The cast is safe here because ret should be <= INT_MAX because num is | |
2122 | * <= INT_MAX | |
2123 | */ | |
2124 | if (ret > 0) | |
2125 | ret = (int)written; | |
2126 | ||
2127 | return ret; | |
2128 | } | |
2129 | ||
2130 | int SSL_write_ex(SSL *s, const void *buf, size_t num, size_t *written) | |
2131 | { | |
2132 | int ret = ssl_write_internal(s, buf, num, written); | |
2133 | ||
2134 | if (ret < 0) | |
2135 | ret = 0; | |
2136 | return ret; | |
2137 | } | |
2138 | ||
0665b4ed | 2139 | int SSL_write_early_data(SSL *s, const void *buf, size_t num, size_t *written) |
49e7fe12 | 2140 | { |
a0cb628b | 2141 | int ret, early_data_state; |
2a8db717 | 2142 | size_t writtmp; |
f7414b08 | 2143 | uint32_t partialwrite; |
49e7fe12 | 2144 | |
49e7fe12 MC |
2145 | switch (s->early_data_state) { |
2146 | case SSL_EARLY_DATA_NONE: | |
09f28874 MC |
2147 | if (s->server |
2148 | || !SSL_in_before(s) | |
add8d0e9 MC |
2149 | || ((s->session == NULL || s->session->ext.max_early_data == 0) |
2150 | && (s->psk_use_session_cb == NULL))) { | |
6849b73c | 2151 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
49e7fe12 MC |
2152 | return 0; |
2153 | } | |
2154 | /* fall through */ | |
2155 | ||
2156 | case SSL_EARLY_DATA_CONNECT_RETRY: | |
2157 | s->early_data_state = SSL_EARLY_DATA_CONNECTING; | |
2158 | ret = SSL_connect(s); | |
2159 | if (ret <= 0) { | |
2160 | /* NBIO or error */ | |
2161 | s->early_data_state = SSL_EARLY_DATA_CONNECT_RETRY; | |
2162 | return 0; | |
2163 | } | |
2164 | /* fall through */ | |
2165 | ||
2166 | case SSL_EARLY_DATA_WRITE_RETRY: | |
2167 | s->early_data_state = SSL_EARLY_DATA_WRITING; | |
f7414b08 MC |
2168 | /* |
2169 | * We disable partial write for early data because we don't keep track | |
2170 | * of how many bytes we've written between the SSL_write_ex() call and | |
2171 | * the flush if the flush needs to be retried) | |
2172 | */ | |
2173 | partialwrite = s->mode & SSL_MODE_ENABLE_PARTIAL_WRITE; | |
2174 | s->mode &= ~SSL_MODE_ENABLE_PARTIAL_WRITE; | |
2a8db717 | 2175 | ret = SSL_write_ex(s, buf, num, &writtmp); |
f7414b08 | 2176 | s->mode |= partialwrite; |
2a8db717 MC |
2177 | if (!ret) { |
2178 | s->early_data_state = SSL_EARLY_DATA_WRITE_RETRY; | |
2179 | return ret; | |
2180 | } | |
2181 | s->early_data_state = SSL_EARLY_DATA_WRITE_FLUSH; | |
2182 | /* fall through */ | |
2183 | ||
2184 | case SSL_EARLY_DATA_WRITE_FLUSH: | |
2185 | /* The buffering BIO is still in place so we need to flush it */ | |
2186 | if (statem_flush(s) != 1) | |
2187 | return 0; | |
2a8db717 | 2188 | *written = num; |
49e7fe12 | 2189 | s->early_data_state = SSL_EARLY_DATA_WRITE_RETRY; |
2a8db717 | 2190 | return 1; |
49e7fe12 | 2191 | |
116d0da5 | 2192 | case SSL_EARLY_DATA_FINISHED_READING: |
a0cb628b MC |
2193 | case SSL_EARLY_DATA_READ_RETRY: |
2194 | early_data_state = s->early_data_state; | |
09f28874 MC |
2195 | /* We are a server writing to an unauthenticated client */ |
2196 | s->early_data_state = SSL_EARLY_DATA_UNAUTH_WRITING; | |
2197 | ret = SSL_write_ex(s, buf, num, written); | |
5fe37157 MC |
2198 | /* The buffering BIO is still in place */ |
2199 | if (ret) | |
2200 | (void)BIO_flush(s->wbio); | |
bbea9f2c | 2201 | s->early_data_state = early_data_state; |
09f28874 MC |
2202 | return ret; |
2203 | ||
49e7fe12 | 2204 | default: |
6849b73c | 2205 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
49e7fe12 MC |
2206 | return 0; |
2207 | } | |
2208 | } | |
2209 | ||
4f43d0e7 | 2210 | int SSL_shutdown(SSL *s) |
0f113f3e MC |
2211 | { |
2212 | /* | |
2213 | * Note that this function behaves differently from what one might | |
2214 | * expect. Return values are 0 for no success (yet), 1 for success; but | |
2215 | * calling it once is usually not enough, even if blocking I/O is used | |
2216 | * (see ssl3_shutdown). | |
2217 | */ | |
2218 | ||
c4c32155 | 2219 | if (s->handshake_func == NULL) { |
6849b73c | 2220 | ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED); |
0f113f3e MC |
2221 | return -1; |
2222 | } | |
2223 | ||
64f9f406 | 2224 | if (!SSL_in_init(s)) { |
e8aa8b6c | 2225 | if ((s->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
64f9f406 | 2226 | struct ssl_async_args args; |
ec447924 | 2227 | |
64f9f406 MC |
2228 | args.s = s; |
2229 | args.type = OTHERFUNC; | |
2230 | args.f.func_other = s->method->ssl_shutdown; | |
ec447924 | 2231 | |
64f9f406 MC |
2232 | return ssl_start_async_job(s, &args, ssl_io_intern); |
2233 | } else { | |
2234 | return s->method->ssl_shutdown(s); | |
2235 | } | |
ec447924 | 2236 | } else { |
6849b73c | 2237 | ERR_raise(ERR_LIB_SSL, SSL_R_SHUTDOWN_WHILE_IN_INIT); |
64f9f406 | 2238 | return -1; |
ec447924 | 2239 | } |
0f113f3e | 2240 | } |
d02b48c6 | 2241 | |
4fbfe86a | 2242 | int SSL_key_update(SSL *s, int updatetype) |
44c04a2e | 2243 | { |
f14afcaa | 2244 | /* |
a9998e2f | 2245 | * TODO(TLS1.3): How will applications know whether TLSv1.3 has been |
f14afcaa MC |
2246 | * negotiated, and that it is appropriate to call SSL_key_update() instead |
2247 | * of SSL_renegotiate(). | |
2248 | */ | |
44c04a2e | 2249 | if (!SSL_IS_TLS13(s)) { |
6849b73c | 2250 | ERR_raise(ERR_LIB_SSL, SSL_R_WRONG_SSL_VERSION); |
44c04a2e MC |
2251 | return 0; |
2252 | } | |
2253 | ||
2254 | if (updatetype != SSL_KEY_UPDATE_NOT_REQUESTED | |
2255 | && updatetype != SSL_KEY_UPDATE_REQUESTED) { | |
6849b73c | 2256 | ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_KEY_UPDATE_TYPE); |
44c04a2e MC |
2257 | return 0; |
2258 | } | |
2259 | ||
2260 | if (!SSL_is_init_finished(s)) { | |
6849b73c | 2261 | ERR_raise(ERR_LIB_SSL, SSL_R_STILL_IN_INIT); |
44c04a2e MC |
2262 | return 0; |
2263 | } | |
2264 | ||
2265 | ossl_statem_set_in_init(s, 1); | |
44c04a2e | 2266 | s->key_update = updatetype; |
44c04a2e MC |
2267 | return 1; |
2268 | } | |
2269 | ||
3499327b | 2270 | int SSL_get_key_update_type(const SSL *s) |
53d1d07d MC |
2271 | { |
2272 | return s->key_update; | |
2273 | } | |
2274 | ||
4f43d0e7 | 2275 | int SSL_renegotiate(SSL *s) |
0f113f3e | 2276 | { |
44c04a2e | 2277 | if (SSL_IS_TLS13(s)) { |
6849b73c | 2278 | ERR_raise(ERR_LIB_SSL, SSL_R_WRONG_SSL_VERSION); |
2c0980d2 | 2279 | return 0; |
44c04a2e | 2280 | } |
cda6b998 | 2281 | |
db0f35dd | 2282 | if ((s->options & SSL_OP_NO_RENEGOTIATION)) { |
6849b73c | 2283 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_RENEGOTIATION); |
db0f35dd TS |
2284 | return 0; |
2285 | } | |
44959ee4 | 2286 | |
db0f35dd | 2287 | s->renegotiate = 1; |
0f113f3e | 2288 | s->new_session = 1; |
44959ee4 | 2289 | |
26a7d938 | 2290 | return s->method->ssl_renegotiate(s); |
0f113f3e | 2291 | } |
d02b48c6 | 2292 | |
44959ee4 | 2293 | int SSL_renegotiate_abbreviated(SSL *s) |
0f113f3e | 2294 | { |
db0f35dd | 2295 | if (SSL_IS_TLS13(s)) { |
6849b73c | 2296 | ERR_raise(ERR_LIB_SSL, SSL_R_WRONG_SSL_VERSION); |
2c0980d2 | 2297 | return 0; |
db0f35dd | 2298 | } |
cda6b998 | 2299 | |
db0f35dd | 2300 | if ((s->options & SSL_OP_NO_RENEGOTIATION)) { |
6849b73c | 2301 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_RENEGOTIATION); |
db0f35dd TS |
2302 | return 0; |
2303 | } | |
c519e89f | 2304 | |
db0f35dd | 2305 | s->renegotiate = 1; |
0f113f3e | 2306 | s->new_session = 0; |
c519e89f | 2307 | |
26a7d938 | 2308 | return s->method->ssl_renegotiate(s); |
0f113f3e | 2309 | } |
44959ee4 | 2310 | |
3499327b | 2311 | int SSL_renegotiate_pending(const SSL *s) |
0f113f3e MC |
2312 | { |
2313 | /* | |
2314 | * becomes true when negotiation is requested; false again once a | |
2315 | * handshake has finished | |
2316 | */ | |
2317 | return (s->renegotiate != 0); | |
2318 | } | |
2319 | ||
3bfacb5f BK |
2320 | int SSL_new_session_ticket(SSL *s) |
2321 | { | |
35774d55 BK |
2322 | if (SSL_in_init(s) || SSL_IS_FIRST_HANDSHAKE(s) || !s->server |
2323 | || !SSL_IS_TLS13(s)) | |
2324 | return 0; | |
2325 | s->ext.extra_tickets_expected++; | |
2326 | return 1; | |
3bfacb5f BK |
2327 | } |
2328 | ||
0f113f3e MC |
2329 | long SSL_ctrl(SSL *s, int cmd, long larg, void *parg) |
2330 | { | |
2331 | long l; | |
2332 | ||
2333 | switch (cmd) { | |
2334 | case SSL_CTRL_GET_READ_AHEAD: | |
26a7d938 | 2335 | return RECORD_LAYER_get_read_ahead(&s->rlayer); |
0f113f3e | 2336 | case SSL_CTRL_SET_READ_AHEAD: |
52e1d7b1 MC |
2337 | l = RECORD_LAYER_get_read_ahead(&s->rlayer); |
2338 | RECORD_LAYER_set_read_ahead(&s->rlayer, larg); | |
26a7d938 | 2339 | return l; |
0f113f3e MC |
2340 | |
2341 | case SSL_CTRL_SET_MSG_CALLBACK_ARG: | |
2342 | s->msg_callback_arg = parg; | |
2343 | return 1; | |
2344 | ||
0f113f3e MC |
2345 | case SSL_CTRL_MODE: |
2346 | return (s->mode |= larg); | |
2347 | case SSL_CTRL_CLEAR_MODE: | |
2348 | return (s->mode &= ~larg); | |
2349 | case SSL_CTRL_GET_MAX_CERT_LIST: | |
26a7d938 | 2350 | return (long)s->max_cert_list; |
0f113f3e | 2351 | case SSL_CTRL_SET_MAX_CERT_LIST: |
348240c6 MC |
2352 | if (larg < 0) |
2353 | return 0; | |
2354 | l = (long)s->max_cert_list; | |
2355 | s->max_cert_list = (size_t)larg; | |
2356 | return l; | |
0f113f3e MC |
2357 | case SSL_CTRL_SET_MAX_SEND_FRAGMENT: |
2358 | if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH) | |
2359 | return 0; | |
50ec7505 BP |
2360 | #ifndef OPENSSL_NO_KTLS |
2361 | if (s->wbio != NULL && BIO_get_ktls_send(s->wbio)) | |
2362 | return 0; | |
2363 | #endif /* OPENSSL_NO_KTLS */ | |
0f113f3e | 2364 | s->max_send_fragment = larg; |
d102d9df MC |
2365 | if (s->max_send_fragment < s->split_send_fragment) |
2366 | s->split_send_fragment = s->max_send_fragment; | |
2367 | return 1; | |
2368 | case SSL_CTRL_SET_SPLIT_SEND_FRAGMENT: | |
7ee8627f | 2369 | if ((size_t)larg > s->max_send_fragment || larg == 0) |
d102d9df MC |
2370 | return 0; |
2371 | s->split_send_fragment = larg; | |
0f113f3e | 2372 | return 1; |
d102d9df MC |
2373 | case SSL_CTRL_SET_MAX_PIPELINES: |
2374 | if (larg < 1 || larg > SSL_MAX_PIPELINES) | |
2375 | return 0; | |
2376 | s->max_pipelines = larg; | |
94777c9c MC |
2377 | if (larg > 1) |
2378 | RECORD_LAYER_set_read_ahead(&s->rlayer, 1); | |
07077415 | 2379 | return 1; |
0f113f3e | 2380 | case SSL_CTRL_GET_RI_SUPPORT: |
555cbb32 | 2381 | return s->s3.send_connection_binding; |
0f113f3e MC |
2382 | case SSL_CTRL_CERT_FLAGS: |
2383 | return (s->cert->cert_flags |= larg); | |
2384 | case SSL_CTRL_CLEAR_CERT_FLAGS: | |
2385 | return (s->cert->cert_flags &= ~larg); | |
2386 | ||
2387 | case SSL_CTRL_GET_RAW_CIPHERLIST: | |
2388 | if (parg) { | |
555cbb32 | 2389 | if (s->s3.tmp.ciphers_raw == NULL) |
0f113f3e | 2390 | return 0; |
555cbb32 TS |
2391 | *(unsigned char **)parg = s->s3.tmp.ciphers_raw; |
2392 | return (int)s->s3.tmp.ciphers_rawlen; | |
e9fa092e EK |
2393 | } else { |
2394 | return TLS_CIPHER_LEN; | |
2395 | } | |
c5364614 | 2396 | case SSL_CTRL_GET_EXTMS_SUPPORT: |
024f543c | 2397 | if (!s->session || SSL_in_init(s) || ossl_statem_get_in_handshake(s)) |
a230b26e | 2398 | return -1; |
dccd20d1 | 2399 | if (s->session->flags & SSL_SESS_FLAG_EXTMS) |
c5364614 DSH |
2400 | return 1; |
2401 | else | |
2402 | return 0; | |
7946ab33 | 2403 | case SSL_CTRL_SET_MIN_PROTO_VERSION: |
c8feba72 BK |
2404 | return ssl_check_allowed_versions(larg, s->max_proto_version) |
2405 | && ssl_set_version_bound(s->ctx->method->version, (int)larg, | |
2406 | &s->min_proto_version); | |
3edabd3c CH |
2407 | case SSL_CTRL_GET_MIN_PROTO_VERSION: |
2408 | return s->min_proto_version; | |
7946ab33 | 2409 | case SSL_CTRL_SET_MAX_PROTO_VERSION: |
c8feba72 BK |
2410 | return ssl_check_allowed_versions(s->min_proto_version, larg) |
2411 | && ssl_set_version_bound(s->ctx->method->version, (int)larg, | |
2412 | &s->max_proto_version); | |
3edabd3c CH |
2413 | case SSL_CTRL_GET_MAX_PROTO_VERSION: |
2414 | return s->max_proto_version; | |
0f113f3e | 2415 | default: |
26a7d938 | 2416 | return s->method->ssl_ctrl(s, cmd, larg, parg); |
0f113f3e MC |
2417 | } |
2418 | } | |
2419 | ||
2420 | long SSL_callback_ctrl(SSL *s, int cmd, void (*fp) (void)) | |
2421 | { | |
2422 | switch (cmd) { | |
2423 | case SSL_CTRL_SET_MSG_CALLBACK: | |
2424 | s->msg_callback = (void (*) | |
2425 | (int write_p, int version, int content_type, | |
2426 | const void *buf, size_t len, SSL *ssl, | |
2427 | void *arg))(fp); | |
2428 | return 1; | |
2429 | ||
2430 | default: | |
26a7d938 | 2431 | return s->method->ssl_callback_ctrl(s, cmd, fp); |
0f113f3e MC |
2432 | } |
2433 | } | |
d3442bc7 | 2434 | |
3c1d6bbc | 2435 | LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx) |
0f113f3e MC |
2436 | { |
2437 | return ctx->sessions; | |
2438 | } | |
2439 | ||
2440 | long SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg) | |
2441 | { | |
2442 | long l; | |
2443 | /* For some cases with ctx == NULL perform syntax checks */ | |
2444 | if (ctx == NULL) { | |
2445 | switch (cmd) { | |
de4d764e | 2446 | case SSL_CTRL_SET_GROUPS_LIST: |
260009d8 | 2447 | return tls1_set_groups_list(ctx, NULL, NULL, parg); |
0f113f3e MC |
2448 | case SSL_CTRL_SET_SIGALGS_LIST: |
2449 | case SSL_CTRL_SET_CLIENT_SIGALGS_LIST: | |
2450 | return tls1_set_sigalgs_list(NULL, parg, 0); | |
2451 | default: | |
2452 | return 0; | |
2453 | } | |
2454 | } | |
2455 | ||
2456 | switch (cmd) { | |
2457 | case SSL_CTRL_GET_READ_AHEAD: | |
26a7d938 | 2458 | return ctx->read_ahead; |
0f113f3e MC |
2459 | case SSL_CTRL_SET_READ_AHEAD: |
2460 | l = ctx->read_ahead; | |
2461 | ctx->read_ahead = larg; | |
26a7d938 | 2462 | return l; |
0f113f3e MC |
2463 | |
2464 | case SSL_CTRL_SET_MSG_CALLBACK_ARG: | |
2465 | ctx->msg_callback_arg = parg; | |
2466 | return 1; | |
2467 | ||
2468 | case SSL_CTRL_GET_MAX_CERT_LIST: | |
26a7d938 | 2469 | return (long)ctx->max_cert_list; |
0f113f3e | 2470 | case SSL_CTRL_SET_MAX_CERT_LIST: |
348240c6 MC |
2471 | if (larg < 0) |
2472 | return 0; | |
2473 | l = (long)ctx->max_cert_list; | |
2474 | ctx->max_cert_list = (size_t)larg; | |
2475 | return l; | |
0f113f3e MC |
2476 | |
2477 | case SSL_CTRL_SET_SESS_CACHE_SIZE: | |
348240c6 MC |
2478 | if (larg < 0) |
2479 | return 0; | |
2480 | l = (long)ctx->session_cache_size; | |
2481 | ctx->session_cache_size = (size_t)larg; | |
2482 | return l; | |
0f113f3e | 2483 | case SSL_CTRL_GET_SESS_CACHE_SIZE: |
26a7d938 | 2484 | return (long)ctx->session_cache_size; |
0f113f3e MC |
2485 | case SSL_CTRL_SET_SESS_CACHE_MODE: |
2486 | l = ctx->session_cache_mode; | |
2487 | ctx->session_cache_mode = larg; | |
26a7d938 | 2488 | return l; |
0f113f3e | 2489 | case SSL_CTRL_GET_SESS_CACHE_MODE: |
26a7d938 | 2490 | return ctx->session_cache_mode; |
0f113f3e MC |
2491 | |
2492 | case SSL_CTRL_SESS_NUMBER: | |
26a7d938 | 2493 | return lh_SSL_SESSION_num_items(ctx->sessions); |
0f113f3e | 2494 | case SSL_CTRL_SESS_CONNECT: |
9ef9088c | 2495 | return tsan_load(&ctx->stats.sess_connect); |
0f113f3e | 2496 | case SSL_CTRL_SESS_CONNECT_GOOD: |
9ef9088c | 2497 | return tsan_load(&ctx->stats.sess_connect_good); |
0f113f3e | 2498 | case SSL_CTRL_SESS_CONNECT_RENEGOTIATE: |
9ef9088c | 2499 | return tsan_load(&ctx->stats.sess_connect_renegotiate); |
0f113f3e | 2500 | case SSL_CTRL_SESS_ACCEPT: |
9ef9088c | 2501 | return tsan_load(&ctx->stats.sess_accept); |
0f113f3e | 2502 | case SSL_CTRL_SESS_ACCEPT_GOOD: |
9ef9088c | 2503 | return tsan_load(&ctx->stats.sess_accept_good); |
0f113f3e | 2504 | case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE: |
9ef9088c | 2505 | return tsan_load(&ctx->stats.sess_accept_renegotiate); |
0f113f3e | 2506 | case SSL_CTRL_SESS_HIT: |
9ef9088c | 2507 | return tsan_load(&ctx->stats.sess_hit); |
0f113f3e | 2508 | case SSL_CTRL_SESS_CB_HIT: |
9ef9088c | 2509 | return tsan_load(&ctx->stats.sess_cb_hit); |
0f113f3e | 2510 | case SSL_CTRL_SESS_MISSES: |
9ef9088c | 2511 | return tsan_load(&ctx->stats.sess_miss); |
0f113f3e | 2512 | case SSL_CTRL_SESS_TIMEOUTS: |
9ef9088c | 2513 | return tsan_load(&ctx->stats.sess_timeout); |
0f113f3e | 2514 | case SSL_CTRL_SESS_CACHE_FULL: |
9ef9088c | 2515 | return tsan_load(&ctx->stats.sess_cache_full); |
0f113f3e MC |
2516 | case SSL_CTRL_MODE: |
2517 | return (ctx->mode |= larg); | |
2518 | case SSL_CTRL_CLEAR_MODE: | |
2519 | return (ctx->mode &= ~larg); | |
2520 | case SSL_CTRL_SET_MAX_SEND_FRAGMENT: | |
2521 | if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH) | |
2522 | return 0; | |
2523 | ctx->max_send_fragment = larg; | |
d102d9df | 2524 | if (ctx->max_send_fragment < ctx->split_send_fragment) |
bfb155c1 | 2525 | ctx->split_send_fragment = ctx->max_send_fragment; |
0f113f3e | 2526 | return 1; |
d102d9df | 2527 | case SSL_CTRL_SET_SPLIT_SEND_FRAGMENT: |
7ee8627f | 2528 | if ((size_t)larg > ctx->max_send_fragment || larg == 0) |
d102d9df MC |
2529 | return 0; |
2530 | ctx->split_send_fragment = larg; | |
2531 | return 1; | |
2532 | case SSL_CTRL_SET_MAX_PIPELINES: | |
2533 | if (larg < 1 || larg > SSL_MAX_PIPELINES) | |
2534 | return 0; | |
2535 | ctx->max_pipelines = larg; | |
07077415 | 2536 | return 1; |
0f113f3e MC |
2537 | case SSL_CTRL_CERT_FLAGS: |
2538 | return (ctx->cert->cert_flags |= larg); | |
2539 | case SSL_CTRL_CLEAR_CERT_FLAGS: | |
2540 | return (ctx->cert->cert_flags &= ~larg); | |
7946ab33 | 2541 | case SSL_CTRL_SET_MIN_PROTO_VERSION: |
c8feba72 BK |
2542 | return ssl_check_allowed_versions(larg, ctx->max_proto_version) |
2543 | && ssl_set_version_bound(ctx->method->version, (int)larg, | |
2544 | &ctx->min_proto_version); | |
3edabd3c CH |
2545 | case SSL_CTRL_GET_MIN_PROTO_VERSION: |
2546 | return ctx->min_proto_version; | |
7946ab33 | 2547 | case SSL_CTRL_SET_MAX_PROTO_VERSION: |
c8feba72 BK |
2548 | return ssl_check_allowed_versions(ctx->min_proto_version, larg) |
2549 | && ssl_set_version_bound(ctx->method->version, (int)larg, | |
2550 | &ctx->max_proto_version); | |
3edabd3c CH |
2551 | case SSL_CTRL_GET_MAX_PROTO_VERSION: |
2552 | return ctx->max_proto_version; | |
0f113f3e | 2553 | default: |
26a7d938 | 2554 | return ctx->method->ssl_ctx_ctrl(ctx, cmd, larg, parg); |
0f113f3e MC |
2555 | } |
2556 | } | |
2557 | ||
2558 | long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp) (void)) | |
2559 | { | |
2560 | switch (cmd) { | |
2561 | case SSL_CTRL_SET_MSG_CALLBACK: | |
2562 | ctx->msg_callback = (void (*) | |
2563 | (int write_p, int version, int content_type, | |
2564 | const void *buf, size_t len, SSL *ssl, | |
2565 | void *arg))(fp); | |
2566 | return 1; | |
2567 | ||
2568 | default: | |
26a7d938 | 2569 | return ctx->method->ssl_ctx_callback_ctrl(ctx, cmd, fp); |
0f113f3e MC |
2570 | } |
2571 | } | |
d3442bc7 | 2572 | |
ccd86b68 | 2573 | int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b) |
0f113f3e | 2574 | { |
90d9e49a DSH |
2575 | if (a->id > b->id) |
2576 | return 1; | |
2577 | if (a->id < b->id) | |
2578 | return -1; | |
2579 | return 0; | |
0f113f3e MC |
2580 | } |
2581 | ||
2582 | int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, | |
2583 | const SSL_CIPHER *const *bp) | |
2584 | { | |
90d9e49a DSH |
2585 | if ((*ap)->id > (*bp)->id) |
2586 | return 1; | |
2587 | if ((*ap)->id < (*bp)->id) | |
2588 | return -1; | |
2589 | return 0; | |
0f113f3e | 2590 | } |
d02b48c6 | 2591 | |
4f43d0e7 | 2592 | /** return a STACK of the ciphers available for the SSL and in order of |
d02b48c6 | 2593 | * preference */ |
0821bcd4 | 2594 | STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s) |
0f113f3e MC |
2595 | { |
2596 | if (s != NULL) { | |
2597 | if (s->cipher_list != NULL) { | |
26a7d938 | 2598 | return s->cipher_list; |
0f113f3e | 2599 | } else if ((s->ctx != NULL) && (s->ctx->cipher_list != NULL)) { |
26a7d938 | 2600 | return s->ctx->cipher_list; |
0f113f3e MC |
2601 | } |
2602 | } | |
26a7d938 | 2603 | return NULL; |
0f113f3e MC |
2604 | } |
2605 | ||
831eef2c NM |
2606 | STACK_OF(SSL_CIPHER) *SSL_get_client_ciphers(const SSL *s) |
2607 | { | |
eee2a6a7 | 2608 | if ((s == NULL) || !s->server) |
831eef2c | 2609 | return NULL; |
eee2a6a7 | 2610 | return s->peer_ciphers; |
831eef2c NM |
2611 | } |
2612 | ||
8b8e5bed | 2613 | STACK_OF(SSL_CIPHER) *SSL_get1_supported_ciphers(SSL *s) |
0f113f3e MC |
2614 | { |
2615 | STACK_OF(SSL_CIPHER) *sk = NULL, *ciphers; | |
2616 | int i; | |
1d0c08b4 | 2617 | |
0f113f3e MC |
2618 | ciphers = SSL_get_ciphers(s); |
2619 | if (!ciphers) | |
2620 | return NULL; | |
1d0c08b4 MC |
2621 | if (!ssl_set_client_disabled(s)) |
2622 | return NULL; | |
0f113f3e MC |
2623 | for (i = 0; i < sk_SSL_CIPHER_num(ciphers); i++) { |
2624 | const SSL_CIPHER *c = sk_SSL_CIPHER_value(ciphers, i); | |
8af91fd9 | 2625 | if (!ssl_cipher_disabled(s, c, SSL_SECOP_CIPHER_SUPPORTED, 0)) { |
0f113f3e MC |
2626 | if (!sk) |
2627 | sk = sk_SSL_CIPHER_new_null(); | |
2628 | if (!sk) | |
2629 | return NULL; | |
2630 | if (!sk_SSL_CIPHER_push(sk, c)) { | |
2631 | sk_SSL_CIPHER_free(sk); | |
2632 | return NULL; | |
2633 | } | |
2634 | } | |
2635 | } | |
2636 | return sk; | |
2637 | } | |
8b8e5bed | 2638 | |
4f43d0e7 | 2639 | /** return a STACK of the ciphers available for the SSL and in order of |
d02b48c6 | 2640 | * algorithm id */ |
f73e07cf | 2641 | STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s) |
0f113f3e MC |
2642 | { |
2643 | if (s != NULL) { | |
2644 | if (s->cipher_list_by_id != NULL) { | |
26a7d938 | 2645 | return s->cipher_list_by_id; |
0f113f3e | 2646 | } else if ((s->ctx != NULL) && (s->ctx->cipher_list_by_id != NULL)) { |
26a7d938 | 2647 | return s->ctx->cipher_list_by_id; |
0f113f3e MC |
2648 | } |
2649 | } | |
26a7d938 | 2650 | return NULL; |
0f113f3e | 2651 | } |
d02b48c6 | 2652 | |
4f43d0e7 | 2653 | /** The old interface to get the same thing as SSL_get_ciphers() */ |
0f113f3e MC |
2654 | const char *SSL_get_cipher_list(const SSL *s, int n) |
2655 | { | |
4a640fb6 | 2656 | const SSL_CIPHER *c; |
0f113f3e MC |
2657 | STACK_OF(SSL_CIPHER) *sk; |
2658 | ||
2659 | if (s == NULL) | |
26a7d938 | 2660 | return NULL; |
0f113f3e MC |
2661 | sk = SSL_get_ciphers(s); |
2662 | if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n)) | |
26a7d938 | 2663 | return NULL; |
0f113f3e MC |
2664 | c = sk_SSL_CIPHER_value(sk, n); |
2665 | if (c == NULL) | |
26a7d938 K |
2666 | return NULL; |
2667 | return c->name; | |
0f113f3e | 2668 | } |
d02b48c6 | 2669 | |
9d5ac953 KY |
2670 | /** return a STACK of the ciphers available for the SSL_CTX and in order of |
2671 | * preference */ | |
2672 | STACK_OF(SSL_CIPHER) *SSL_CTX_get_ciphers(const SSL_CTX *ctx) | |
2673 | { | |
2674 | if (ctx != NULL) | |
2675 | return ctx->cipher_list; | |
2676 | return NULL; | |
2677 | } | |
2678 | ||
3c83c5ba SR |
2679 | /* |
2680 | * Distinguish between ciphers controlled by set_ciphersuite() and | |
2681 | * set_cipher_list() when counting. | |
2682 | */ | |
2683 | static int cipher_list_tls12_num(STACK_OF(SSL_CIPHER) *sk) | |
2684 | { | |
2685 | int i, num = 0; | |
2686 | const SSL_CIPHER *c; | |
2687 | ||
2688 | if (sk == NULL) | |
2689 | return 0; | |
2690 | for (i = 0; i < sk_SSL_CIPHER_num(sk); ++i) { | |
2691 | c = sk_SSL_CIPHER_value(sk, i); | |
2692 | if (c->min_tls >= TLS1_3_VERSION) | |
2693 | continue; | |
2694 | num++; | |
2695 | } | |
2696 | return num; | |
2697 | } | |
2698 | ||
25f923dd | 2699 | /** specify the ciphers to be used by default by the SSL_CTX */ |
018e57c7 | 2700 | int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str) |
0f113f3e MC |
2701 | { |
2702 | STACK_OF(SSL_CIPHER) *sk; | |
2703 | ||
f865b081 MC |
2704 | sk = ssl_create_cipher_list(ctx->method, ctx->tls13_ciphersuites, |
2705 | &ctx->cipher_list, &ctx->cipher_list_by_id, str, | |
2706 | ctx->cert); | |
0f113f3e MC |
2707 | /* |
2708 | * ssl_create_cipher_list may return an empty stack if it was unable to | |
2709 | * find a cipher matching the given rule string (for example if the rule | |
2710 | * string specifies a cipher which has been disabled). This is not an | |
2711 | * error as far as ssl_create_cipher_list is concerned, and hence | |
2712 | * ctx->cipher_list and ctx->cipher_list_by_id has been updated. | |
2713 | */ | |
2714 | if (sk == NULL) | |
2715 | return 0; | |
3c83c5ba | 2716 | else if (cipher_list_tls12_num(sk) == 0) { |
6849b73c | 2717 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_CIPHER_MATCH); |
0f113f3e MC |
2718 | return 0; |
2719 | } | |
2720 | return 1; | |
2721 | } | |
d02b48c6 | 2722 | |
4f43d0e7 | 2723 | /** specify the ciphers to be used by the SSL */ |
0f113f3e MC |
2724 | int SSL_set_cipher_list(SSL *s, const char *str) |
2725 | { | |
2726 | STACK_OF(SSL_CIPHER) *sk; | |
2727 | ||
f865b081 MC |
2728 | sk = ssl_create_cipher_list(s->ctx->method, s->tls13_ciphersuites, |
2729 | &s->cipher_list, &s->cipher_list_by_id, str, | |
2730 | s->cert); | |
0f113f3e MC |
2731 | /* see comment in SSL_CTX_set_cipher_list */ |
2732 | if (sk == NULL) | |
2733 | return 0; | |
3c83c5ba | 2734 | else if (cipher_list_tls12_num(sk) == 0) { |
6849b73c | 2735 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_CIPHER_MATCH); |
0f113f3e MC |
2736 | return 0; |
2737 | } | |
2738 | return 1; | |
2739 | } | |
d02b48c6 | 2740 | |
a216df59 | 2741 | char *SSL_get_shared_ciphers(const SSL *s, char *buf, int size) |
0f113f3e MC |
2742 | { |
2743 | char *p; | |
a216df59 | 2744 | STACK_OF(SSL_CIPHER) *clntsk, *srvrsk; |
4a640fb6 | 2745 | const SSL_CIPHER *c; |
0f113f3e MC |
2746 | int i; |
2747 | ||
a216df59 | 2748 | if (!s->server |
eee2a6a7 | 2749 | || s->peer_ciphers == NULL |
a216df59 | 2750 | || size < 2) |
26a7d938 | 2751 | return NULL; |
0f113f3e MC |
2752 | |
2753 | p = buf; | |
eee2a6a7 | 2754 | clntsk = s->peer_ciphers; |
a216df59 MC |
2755 | srvrsk = SSL_get_ciphers(s); |
2756 | if (clntsk == NULL || srvrsk == NULL) | |
2757 | return NULL; | |
0f113f3e | 2758 | |
a216df59 | 2759 | if (sk_SSL_CIPHER_num(clntsk) == 0 || sk_SSL_CIPHER_num(srvrsk) == 0) |
0f113f3e MC |
2760 | return NULL; |
2761 | ||
a216df59 | 2762 | for (i = 0; i < sk_SSL_CIPHER_num(clntsk); i++) { |
0f113f3e MC |
2763 | int n; |
2764 | ||
a216df59 MC |
2765 | c = sk_SSL_CIPHER_value(clntsk, i); |
2766 | if (sk_SSL_CIPHER_find(srvrsk, c) < 0) | |
2767 | continue; | |
2768 | ||
0f113f3e | 2769 | n = strlen(c->name); |
a216df59 | 2770 | if (n + 1 > size) { |
0f113f3e MC |
2771 | if (p != buf) |
2772 | --p; | |
2773 | *p = '\0'; | |
2774 | return buf; | |
2775 | } | |
4cacc9d5 | 2776 | strcpy(p, c->name); |
0f113f3e MC |
2777 | p += n; |
2778 | *(p++) = ':'; | |
a216df59 | 2779 | size -= n + 1; |
0f113f3e MC |
2780 | } |
2781 | p[-1] = '\0'; | |
26a7d938 | 2782 | return buf; |
0f113f3e MC |
2783 | } |
2784 | ||
7955c1f1 MC |
2785 | /** |
2786 | * Return the requested servername (SNI) value. Note that the behaviour varies | |
2787 | * depending on: | |
2788 | * - whether this is called by the client or the server, | |
2789 | * - if we are before or during/after the handshake, | |
2790 | * - if a resumption or normal handshake is being attempted/has occurred | |
2791 | * - whether we have negotiated TLSv1.2 (or below) or TLSv1.3 | |
2792 | * | |
2793 | * Note that only the host_name type is defined (RFC 3546). | |
ed3883d2 | 2794 | */ |
f1fd4544 | 2795 | const char *SSL_get_servername(const SSL *s, const int type) |
0f113f3e | 2796 | { |
7955c1f1 MC |
2797 | /* |
2798 | * If we don't know if we are the client or the server yet then we assume | |
2799 | * client. | |
2800 | */ | |
2801 | int server = s->handshake_func == NULL ? 0 : s->server; | |
0f113f3e MC |
2802 | if (type != TLSEXT_NAMETYPE_host_name) |
2803 | return NULL; | |
a13c20f6 | 2804 | |
7955c1f1 MC |
2805 | if (server) { |
2806 | /** | |
2807 | * Server side | |
2808 | * In TLSv1.3 on the server SNI is not associated with the session | |
2809 | * but in TLSv1.2 or below it is. | |
2810 | * | |
2811 | * Before the handshake: | |
2812 | * - return NULL | |
2813 | * | |
2814 | * During/after the handshake (TLSv1.2 or below resumption occurred): | |
2815 | * - If a servername was accepted by the server in the original | |
2816 | * handshake then it will return that servername, or NULL otherwise. | |
2817 | * | |
2818 | * During/after the handshake (TLSv1.2 or below resumption did not occur): | |
2819 | * - The function will return the servername requested by the client in | |
2820 | * this handshake or NULL if none was requested. | |
2821 | */ | |
2822 | if (s->hit && !SSL_IS_TLS13(s)) | |
2823 | return s->session->ext.hostname; | |
2824 | } else { | |
2825 | /** | |
2826 | * Client side | |
2827 | * | |
2828 | * Before the handshake: | |
2829 | * - If a servername has been set via a call to | |
2830 | * SSL_set_tlsext_host_name() then it will return that servername | |
2831 | * - If one has not been set, but a TLSv1.2 resumption is being | |
2832 | * attempted and the session from the original handshake had a | |
2833 | * servername accepted by the server then it will return that | |
2834 | * servername | |
2835 | * - Otherwise it returns NULL | |
2836 | * | |
2837 | * During/after the handshake (TLSv1.2 or below resumption occurred): | |
9f7505ab | 2838 | * - If the session from the original handshake had a servername accepted |
7955c1f1 MC |
2839 | * by the server then it will return that servername. |
2840 | * - Otherwise it returns the servername set via | |
2841 | * SSL_set_tlsext_host_name() (or NULL if it was not called). | |
2842 | * | |
2843 | * During/after the handshake (TLSv1.2 or below resumption did not occur): | |
2844 | * - It will return the servername set via SSL_set_tlsext_host_name() | |
2845 | * (or NULL if it was not called). | |
2846 | */ | |
2847 | if (SSL_in_before(s)) { | |
2848 | if (s->ext.hostname == NULL | |
2849 | && s->session != NULL | |
2850 | && s->session->ssl_version != TLS1_3_VERSION) | |
2851 | return s->session->ext.hostname; | |
2852 | } else { | |
2853 | if (!SSL_IS_TLS13(s) && s->hit && s->session->ext.hostname != NULL) | |
2854 | return s->session->ext.hostname; | |
2855 | } | |
2856 | } | |
2857 | ||
328a0547 | 2858 | return s->ext.hostname; |
0f113f3e | 2859 | } |
ed3883d2 | 2860 | |
f1fd4544 | 2861 | int SSL_get_servername_type(const SSL *s) |
0f113f3e | 2862 | { |
7955c1f1 | 2863 | if (SSL_get_servername(s, TLSEXT_NAMETYPE_host_name) != NULL) |
0f113f3e MC |
2864 | return TLSEXT_NAMETYPE_host_name; |
2865 | return -1; | |
2866 | } | |
ee2ffc27 | 2867 | |
0f113f3e MC |
2868 | /* |
2869 | * SSL_select_next_proto implements the standard protocol selection. It is | |
ee2ffc27 | 2870 | * expected that this function is called from the callback set by |
0f113f3e MC |
2871 | * SSL_CTX_set_next_proto_select_cb. The protocol data is assumed to be a |
2872 | * vector of 8-bit, length prefixed byte strings. The length byte itself is | |
2873 | * not included in the length. A byte string of length 0 is invalid. No byte | |
2874 | * string may be truncated. The current, but experimental algorithm for | |
2875 | * selecting the protocol is: 1) If the server doesn't support NPN then this | |
2876 | * is indicated to the callback. In this case, the client application has to | |
2877 | * abort the connection or have a default application level protocol. 2) If | |
2878 | * the server supports NPN, but advertises an empty list then the client | |
f430ba31 | 2879 | * selects the first protocol in its list, but indicates via the API that this |
0f113f3e MC |
2880 | * fallback case was enacted. 3) Otherwise, the client finds the first |
2881 | * protocol in the server's list that it supports and selects this protocol. | |
2882 | * This is because it's assumed that the server has better information about | |
2883 | * which protocol a client should use. 4) If the client doesn't support any | |
2884 | * of the server's advertised protocols, then this is treated the same as | |
2885 | * case 2. It returns either OPENSSL_NPN_NEGOTIATED if a common protocol was | |
2886 | * found, or OPENSSL_NPN_NO_OVERLAP if the fallback case was reached. | |
ee2ffc27 | 2887 | */ |
0f113f3e MC |
2888 | int SSL_select_next_proto(unsigned char **out, unsigned char *outlen, |
2889 | const unsigned char *server, | |
2890 | unsigned int server_len, | |
a230b26e | 2891 | const unsigned char *client, unsigned int client_len) |
0f113f3e MC |
2892 | { |
2893 | unsigned int i, j; | |
2894 | const unsigned char *result; | |
2895 | int status = OPENSSL_NPN_UNSUPPORTED; | |
2896 | ||
2897 | /* | |
2898 | * For each protocol in server preference order, see if we support it. | |
2899 | */ | |
2900 | for (i = 0; i < server_len;) { | |
2901 | for (j = 0; j < client_len;) { | |
2902 | if (server[i] == client[j] && | |
2903 | memcmp(&server[i + 1], &client[j + 1], server[i]) == 0) { | |
2904 | /* We found a match */ | |
2905 | result = &server[i]; | |
2906 | status = OPENSSL_NPN_NEGOTIATED; | |
2907 | goto found; | |
2908 | } | |
2909 | j += client[j]; | |
2910 | j++; | |
2911 | } | |
2912 | i += server[i]; | |
2913 | i++; | |
2914 | } | |
2915 | ||
2916 | /* There's no overlap between our protocols and the server's list. */ | |
2917 | result = client; | |
2918 | status = OPENSSL_NPN_NO_OVERLAP; | |
2919 | ||
2920 | found: | |
2921 | *out = (unsigned char *)result + 1; | |
2922 | *outlen = result[0]; | |
2923 | return status; | |
2924 | } | |
ee2ffc27 | 2925 | |
e481f9b9 | 2926 | #ifndef OPENSSL_NO_NEXTPROTONEG |
0f113f3e MC |
2927 | /* |
2928 | * SSL_get0_next_proto_negotiated sets *data and *len to point to the | |
2929 | * client's requested protocol for this connection and returns 0. If the | |
2930 | * client didn't request any protocol, then *data is set to NULL. Note that | |
2931 | * the client can request any protocol it chooses. The value returned from | |
2932 | * this function need not be a member of the list of supported protocols | |
ee2ffc27 BL |
2933 | * provided by the callback. |
2934 | */ | |
0f113f3e MC |
2935 | void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data, |
2936 | unsigned *len) | |
2937 | { | |
aff8c126 | 2938 | *data = s->ext.npn; |
12a765a5 | 2939 | if (*data == NULL) { |
0f113f3e MC |
2940 | *len = 0; |
2941 | } else { | |
aff8c126 | 2942 | *len = (unsigned int)s->ext.npn_len; |
0f113f3e MC |
2943 | } |
2944 | } | |
2945 | ||
2946 | /* | |
aff8c126 | 2947 | * SSL_CTX_set_npn_advertised_cb sets a callback that is called when |
0f113f3e MC |
2948 | * a TLS server needs a list of supported protocols for Next Protocol |
2949 | * Negotiation. The returned list must be in wire format. The list is | |
2950 | * returned by setting |out| to point to it and |outlen| to its length. This | |
2951 | * memory will not be modified, but one should assume that the SSL* keeps a | |
2952 | * reference to it. The callback should return SSL_TLSEXT_ERR_OK if it | |
2953 | * wishes to advertise. Otherwise, no such extension will be included in the | |
2954 | * ServerHello. | |
2955 | */ | |
aff8c126 | 2956 | void SSL_CTX_set_npn_advertised_cb(SSL_CTX *ctx, |
8cbfcc70 | 2957 | SSL_CTX_npn_advertised_cb_func cb, |
aff8c126 | 2958 | void *arg) |
0f113f3e | 2959 | { |
aff8c126 RS |
2960 | ctx->ext.npn_advertised_cb = cb; |
2961 | ctx->ext.npn_advertised_cb_arg = arg; | |
0f113f3e MC |
2962 | } |
2963 | ||
2964 | /* | |
2965 | * SSL_CTX_set_next_proto_select_cb sets a callback that is called when a | |
ee2ffc27 BL |
2966 | * client needs to select a protocol from the server's provided list. |out| |
2967 | * must be set to point to the selected protocol (which may be within |in|). | |
0f113f3e MC |
2968 | * The length of the protocol name must be written into |outlen|. The |
2969 | * server's advertised protocols are provided in |in| and |inlen|. The | |
2970 | * callback can assume that |in| is syntactically valid. The client must | |
2971 | * select a protocol. It is fatal to the connection if this callback returns | |
2972 | * a value other than SSL_TLSEXT_ERR_OK. | |
ee2ffc27 | 2973 | */ |
aff8c126 | 2974 | void SSL_CTX_set_npn_select_cb(SSL_CTX *ctx, |
8cbfcc70 | 2975 | SSL_CTX_npn_select_cb_func cb, |
aff8c126 | 2976 | void *arg) |
0f113f3e | 2977 | { |
aff8c126 RS |
2978 | ctx->ext.npn_select_cb = cb; |
2979 | ctx->ext.npn_select_cb_arg = arg; | |
0f113f3e | 2980 | } |
e481f9b9 | 2981 | #endif |
a398f821 | 2982 | |
0f113f3e MC |
2983 | /* |
2984 | * SSL_CTX_set_alpn_protos sets the ALPN protocol list on |ctx| to |protos|. | |
6f017a8f | 2985 | * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit |
0f113f3e MC |
2986 | * length-prefixed strings). Returns 0 on success. |
2987 | */ | |
2988 | int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char *protos, | |
817cd0d5 | 2989 | unsigned int protos_len) |
0f113f3e | 2990 | { |
aff8c126 RS |
2991 | OPENSSL_free(ctx->ext.alpn); |
2992 | ctx->ext.alpn = OPENSSL_memdup(protos, protos_len); | |
2993 | if (ctx->ext.alpn == NULL) { | |
6849b73c | 2994 | ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE); |
0f113f3e | 2995 | return 1; |
72e9be3d | 2996 | } |
aff8c126 | 2997 | ctx->ext.alpn_len = protos_len; |
0f113f3e MC |
2998 | |
2999 | return 0; | |
3000 | } | |
3001 | ||
3002 | /* | |
3003 | * SSL_set_alpn_protos sets the ALPN protocol list on |ssl| to |protos|. | |
6f017a8f | 3004 | * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit |
0f113f3e MC |
3005 | * length-prefixed strings). Returns 0 on success. |
3006 | */ | |
3007 | int SSL_set_alpn_protos(SSL *ssl, const unsigned char *protos, | |
817cd0d5 | 3008 | unsigned int protos_len) |
0f113f3e | 3009 | { |
aff8c126 RS |
3010 | OPENSSL_free(ssl->ext.alpn); |
3011 | ssl->ext.alpn = OPENSSL_memdup(protos, protos_len); | |
3012 | if (ssl->ext.alpn == NULL) { | |
6849b73c | 3013 | ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE); |
0f113f3e | 3014 | return 1; |
72e9be3d | 3015 | } |
aff8c126 | 3016 | ssl->ext.alpn_len = protos_len; |
0f113f3e MC |
3017 | |
3018 | return 0; | |
3019 | } | |
3020 | ||
3021 | /* | |
3022 | * SSL_CTX_set_alpn_select_cb sets a callback function on |ctx| that is | |
3023 | * called during ClientHello processing in order to select an ALPN protocol | |
3024 | * from the client's list of offered protocols. | |
3025 | */ | |
3026 | void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx, | |
8cbfcc70 RS |
3027 | SSL_CTX_alpn_select_cb_func cb, |
3028 | void *arg) | |
0f113f3e | 3029 | { |
aff8c126 RS |
3030 | ctx->ext.alpn_select_cb = cb; |
3031 | ctx->ext.alpn_select_cb_arg = arg; | |
0f113f3e MC |
3032 | } |
3033 | ||
3034 | /* | |
69687aa8 F |
3035 | * SSL_get0_alpn_selected gets the selected ALPN protocol (if any) from |ssl|. |
3036 | * On return it sets |*data| to point to |*len| bytes of protocol name | |
0f113f3e MC |
3037 | * (not including the leading length-prefix byte). If the server didn't |
3038 | * respond with a negotiated protocol then |*len| will be zero. | |
3039 | */ | |
6f017a8f | 3040 | void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data, |
817cd0d5 | 3041 | unsigned int *len) |
0f113f3e | 3042 | { |
555cbb32 | 3043 | *data = ssl->s3.alpn_selected; |
0f113f3e MC |
3044 | if (*data == NULL) |
3045 | *len = 0; | |
3046 | else | |
555cbb32 | 3047 | *len = (unsigned int)ssl->s3.alpn_selected_len; |
0f113f3e MC |
3048 | } |
3049 | ||
74b4b494 | 3050 | int SSL_export_keying_material(SSL *s, unsigned char *out, size_t olen, |
0f113f3e | 3051 | const char *label, size_t llen, |
23cec1f4 | 3052 | const unsigned char *context, size_t contextlen, |
0f113f3e MC |
3053 | int use_context) |
3054 | { | |
dffeec1c TM |
3055 | if (s->session == NULL |
3056 | || (s->version < TLS1_VERSION && s->version != DTLS1_BAD_VER)) | |
0f113f3e | 3057 | return -1; |
e0af0405 | 3058 | |
0f113f3e | 3059 | return s->method->ssl3_enc->export_keying_material(s, out, olen, label, |
23cec1f4 MC |
3060 | llen, context, |
3061 | contextlen, use_context); | |
0f113f3e | 3062 | } |
e0af0405 | 3063 | |
b38ede80 TT |
3064 | int SSL_export_keying_material_early(SSL *s, unsigned char *out, size_t olen, |
3065 | const char *label, size_t llen, | |
3066 | const unsigned char *context, | |
3067 | size_t contextlen) | |
3068 | { | |
3069 | if (s->version != TLS1_3_VERSION) | |
3070 | return 0; | |
3071 | ||
3072 | return tls13_export_keying_material_early(s, out, olen, label, llen, | |
3073 | context, contextlen); | |
3074 | } | |
3075 | ||
3c1d6bbc | 3076 | static unsigned long ssl_session_hash(const SSL_SESSION *a) |
0f113f3e | 3077 | { |
bd5d27c1 | 3078 | const unsigned char *session_id = a->session_id; |
0f113f3e | 3079 | unsigned long l; |
bd5d27c1 DB |
3080 | unsigned char tmp_storage[4]; |
3081 | ||
3082 | if (a->session_id_length < sizeof(tmp_storage)) { | |
3083 | memset(tmp_storage, 0, sizeof(tmp_storage)); | |
3084 | memcpy(tmp_storage, a->session_id, a->session_id_length); | |
3085 | session_id = tmp_storage; | |
3086 | } | |
0f113f3e MC |
3087 | |
3088 | l = (unsigned long) | |
bd5d27c1 DB |
3089 | ((unsigned long)session_id[0]) | |
3090 | ((unsigned long)session_id[1] << 8L) | | |
3091 | ((unsigned long)session_id[2] << 16L) | | |
3092 | ((unsigned long)session_id[3] << 24L); | |
26a7d938 | 3093 | return l; |
0f113f3e MC |
3094 | } |
3095 | ||
3096 | /* | |
3097 | * NB: If this function (or indeed the hash function which uses a sort of | |
dc644fe2 | 3098 | * coarser function than this one) is changed, ensure |
0f113f3e MC |
3099 | * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on |
3100 | * being able to construct an SSL_SESSION that will collide with any existing | |
3101 | * session with a matching session ID. | |
3102 | */ | |
3103 | static int ssl_session_cmp(const SSL_SESSION *a, const SSL_SESSION *b) | |
3104 | { | |
3105 | if (a->ssl_version != b->ssl_version) | |
208fb891 | 3106 | return 1; |
0f113f3e | 3107 | if (a->session_id_length != b->session_id_length) |
208fb891 | 3108 | return 1; |
26a7d938 | 3109 | return memcmp(a->session_id, b->session_id, a->session_id_length); |
0f113f3e MC |
3110 | } |
3111 | ||
3112 | /* | |
3113 | * These wrapper functions should remain rather than redeclaring | |
d0fa136c | 3114 | * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each |
0f113f3e MC |
3115 | * variable. The reason is that the functions aren't static, they're exposed |
3116 | * via ssl.h. | |
3117 | */ | |
97b17195 | 3118 | |
b4250010 | 3119 | SSL_CTX *SSL_CTX_new_ex(OSSL_LIB_CTX *libctx, const char *propq, |
d8652be0 | 3120 | const SSL_METHOD *meth) |
0f113f3e MC |
3121 | { |
3122 | SSL_CTX *ret = NULL; | |
3123 | ||
3124 | if (meth == NULL) { | |
6849b73c | 3125 | ERR_raise(ERR_LIB_SSL, SSL_R_NULL_SSL_METHOD_PASSED); |
26a7d938 | 3126 | return NULL; |
0f113f3e MC |
3127 | } |
3128 | ||
0fc32b07 MC |
3129 | if (!OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, NULL)) |
3130 | return NULL; | |
7fa792d1 | 3131 | |
0f113f3e | 3132 | if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) { |
6849b73c | 3133 | ERR_raise(ERR_LIB_SSL, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS); |
0f113f3e MC |
3134 | goto err; |
3135 | } | |
b51bce94 | 3136 | ret = OPENSSL_zalloc(sizeof(*ret)); |
0f113f3e MC |
3137 | if (ret == NULL) |
3138 | goto err; | |
3139 | ||
ba18627e MC |
3140 | ret->libctx = libctx; |
3141 | if (propq != NULL) { | |
3142 | ret->propq = OPENSSL_strdup(propq); | |
3143 | if (ret->propq == NULL) | |
3144 | goto err; | |
3145 | } | |
3146 | ||
0f113f3e | 3147 | ret->method = meth; |
7946ab33 KR |
3148 | ret->min_proto_version = 0; |
3149 | ret->max_proto_version = 0; | |
693cf80c | 3150 | ret->mode = SSL_MODE_AUTO_RETRY; |
0f113f3e MC |
3151 | ret->session_cache_mode = SSL_SESS_CACHE_SERVER; |
3152 | ret->session_cache_size = SSL_SESSION_CACHE_MAX_SIZE_DEFAULT; | |
64b25758 | 3153 | /* We take the system default. */ |
0f113f3e | 3154 | ret->session_timeout = meth->get_timeout(); |
0f113f3e | 3155 | ret->references = 1; |
16203f7b AG |
3156 | ret->lock = CRYPTO_THREAD_lock_new(); |
3157 | if (ret->lock == NULL) { | |
6849b73c | 3158 | ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE); |
16203f7b AG |
3159 | OPENSSL_free(ret); |
3160 | return NULL; | |
3161 | } | |
0f113f3e | 3162 | ret->max_cert_list = SSL_MAX_CERT_LIST_DEFAULT; |
0f113f3e | 3163 | ret->verify_mode = SSL_VERIFY_NONE; |
0f113f3e MC |
3164 | if ((ret->cert = ssl_cert_new()) == NULL) |
3165 | goto err; | |
3166 | ||
62d0577e | 3167 | ret->sessions = lh_SSL_SESSION_new(ssl_session_hash, ssl_session_cmp); |
0f113f3e MC |
3168 | if (ret->sessions == NULL) |
3169 | goto err; | |
3170 | ret->cert_store = X509_STORE_new(); | |
3171 | if (ret->cert_store == NULL) | |
3172 | goto err; | |
ed29e82a | 3173 | #ifndef OPENSSL_NO_CT |
d8652be0 | 3174 | ret->ctlog_store = CTLOG_STORE_new_ex(libctx, propq); |
ed29e82a RP |
3175 | if (ret->ctlog_store == NULL) |
3176 | goto err; | |
3177 | #endif | |
f865b081 | 3178 | |
c8f6c28a MC |
3179 | /* initialize cipher/digest methods table */ |
3180 | if (!ssl_load_ciphers(ret)) | |
075b1f2f | 3181 | goto err2; |
263ff2c9 MC |
3182 | /* initialise sig algs */ |
3183 | if (!ssl_setup_sig_algs(ret)) | |
3184 | goto err2; | |
3185 | ||
c8f6c28a | 3186 | |
9d2d857f MC |
3187 | if (!ssl_load_groups(ret)) |
3188 | goto err2; | |
3189 | ||
5d120511 | 3190 | if (!SSL_CTX_set_ciphersuites(ret, OSSL_default_ciphersuites())) |
f865b081 MC |
3191 | goto err; |
3192 | ||
61986d32 | 3193 | if (!ssl_create_cipher_list(ret->method, |
f865b081 | 3194 | ret->tls13_ciphersuites, |
a230b26e | 3195 | &ret->cipher_list, &ret->cipher_list_by_id, |
5d120511 | 3196 | OSSL_default_cipher_list(), ret->cert) |
a230b26e | 3197 | || sk_SSL_CIPHER_num(ret->cipher_list) <= 0) { |
6849b73c | 3198 | ERR_raise(ERR_LIB_SSL, SSL_R_LIBRARY_HAS_NO_CIPHERS); |
0f113f3e MC |
3199 | goto err2; |
3200 | } | |
3201 | ||
3202 | ret->param = X509_VERIFY_PARAM_new(); | |
a71edf3b | 3203 | if (ret->param == NULL) |
0f113f3e MC |
3204 | goto err; |
3205 | ||
c8f6c28a MC |
3206 | /* |
3207 | * If these aren't available from the provider we'll get NULL returns. | |
3208 | * That's fine but will cause errors later if SSLv3 is negotiated | |
3209 | */ | |
3210 | ret->md5 = ssl_evp_md_fetch(libctx, NID_md5, propq); | |
3211 | ret->sha1 = ssl_evp_md_fetch(libctx, NID_sha1, propq); | |
0f113f3e | 3212 | |
fa7c2637 | 3213 | if ((ret->ca_names = sk_X509_NAME_new_null()) == NULL) |
0f113f3e MC |
3214 | goto err; |
3215 | ||
98732979 MC |
3216 | if ((ret->client_ca_names = sk_X509_NAME_new_null()) == NULL) |
3217 | goto err; | |
3218 | ||
25a807bc F |
3219 | if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data)) |
3220 | goto err; | |
0f113f3e | 3221 | |
4bfb96f2 TS |
3222 | if ((ret->ext.secure = OPENSSL_secure_zalloc(sizeof(*ret->ext.secure))) == NULL) |
3223 | goto err; | |
3224 | ||
0f113f3e MC |
3225 | /* No compression for DTLS */ |
3226 | if (!(meth->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS)) | |
3227 | ret->comp_methods = SSL_COMP_get_compression_methods(); | |
3228 | ||
3229 | ret->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; | |
d102d9df | 3230 | ret->split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; |
566dda07 | 3231 | |
4e2e1ec9 | 3232 | /* Setup RFC5077 ticket keys */ |
8f21260b MC |
3233 | if ((RAND_bytes_ex(libctx, ret->ext.tick_key_name, |
3234 | sizeof(ret->ext.tick_key_name)) <= 0) | |
3235 | || (RAND_priv_bytes_ex(libctx, ret->ext.secure->tick_hmac_key, | |
3236 | sizeof(ret->ext.secure->tick_hmac_key)) <= 0) | |
3237 | || (RAND_priv_bytes_ex(libctx, ret->ext.secure->tick_aes_key, | |
3238 | sizeof(ret->ext.secure->tick_aes_key)) <= 0)) | |
0f113f3e | 3239 | ret->options |= SSL_OP_NO_TICKET; |
6434abbf | 3240 | |
8f21260b MC |
3241 | if (RAND_priv_bytes_ex(libctx, ret->ext.cookie_hmac_key, |
3242 | sizeof(ret->ext.cookie_hmac_key)) <= 0) | |
43054d3d MC |
3243 | goto err; |
3244 | ||
edc032b5 | 3245 | #ifndef OPENSSL_NO_SRP |
61986d32 | 3246 | if (!SSL_CTX_SRP_CTX_init(ret)) |
69f68237 | 3247 | goto err; |
edc032b5 | 3248 | #endif |
4db9677b | 3249 | #ifndef OPENSSL_NO_ENGINE |
0f113f3e MC |
3250 | # ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO |
3251 | # define eng_strx(x) #x | |
3252 | # define eng_str(x) eng_strx(x) | |
3253 | /* Use specific client engine automatically... ignore errors */ | |
3254 | { | |
3255 | ENGINE *eng; | |
3256 | eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO)); | |
3257 | if (!eng) { | |
3258 | ERR_clear_error(); | |
3259 | ENGINE_load_builtin_engines(); | |
3260 | eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO)); | |
3261 | } | |
3262 | if (!eng || !SSL_CTX_set_client_cert_engine(ret, eng)) | |
3263 | ERR_clear_error(); | |
3264 | } | |
3265 | # endif | |
3266 | #endif | |
3267 | /* | |
3268 | * Default is to connect to non-RI servers. When RI is more widely | |
3269 | * deployed might change this. | |
3270 | */ | |
3271 | ret->options |= SSL_OP_LEGACY_SERVER_CONNECT; | |
dc5744cb EK |
3272 | /* |
3273 | * Disable compression by default to prevent CRIME. Applications can | |
3274 | * re-enable compression by configuring | |
3275 | * SSL_CTX_clear_options(ctx, SSL_OP_NO_COMPRESSION); | |
a5816a5a MC |
3276 | * or by using the SSL_CONF library. Similarly we also enable TLSv1.3 |
3277 | * middlebox compatibility by default. This may be disabled by default in | |
3278 | * a later OpenSSL version. | |
dc5744cb | 3279 | */ |
a5816a5a | 3280 | ret->options |= SSL_OP_NO_COMPRESSION | SSL_OP_ENABLE_MIDDLEBOX_COMPAT; |
0f113f3e | 3281 | |
aff8c126 | 3282 | ret->ext.status_type = TLSEXT_STATUSTYPE_nothing; |
ba261f71 | 3283 | |
bfa9a9af | 3284 | /* |
c39e4048 BK |
3285 | * We cannot usefully set a default max_early_data here (which gets |
3286 | * propagated in SSL_new(), for the following reason: setting the | |
3287 | * SSL field causes tls_construct_stoc_early_data() to tell the | |
3288 | * client that early data will be accepted when constructing a TLS 1.3 | |
3289 | * session ticket, and the client will accordingly send us early data | |
3290 | * when using that ticket (if the client has early data to send). | |
3291 | * However, in order for the early data to actually be consumed by | |
3292 | * the application, the application must also have calls to | |
3293 | * SSL_read_early_data(); otherwise we'll just skip past the early data | |
3294 | * and ignore it. So, since the application must add calls to | |
3295 | * SSL_read_early_data(), we also require them to add | |
3296 | * calls to SSL_CTX_set_max_early_data() in order to use early data, | |
3297 | * eliminating the bandwidth-wasting early data in the case described | |
3298 | * above. | |
bfa9a9af | 3299 | */ |
c39e4048 | 3300 | ret->max_early_data = 0; |
bfa9a9af | 3301 | |
4e8548e8 MC |
3302 | /* |
3303 | * Default recv_max_early_data is a fully loaded single record. Could be | |
3304 | * split across multiple records in practice. We set this differently to | |
3305 | * max_early_data so that, in the default case, we do not advertise any | |
3306 | * support for early_data, but if a client were to send us some (e.g. | |
3307 | * because of an old, stale ticket) then we will tolerate it and skip over | |
3308 | * it. | |
3309 | */ | |
3310 | ret->recv_max_early_data = SSL3_RT_MAX_PLAIN_LENGTH; | |
3311 | ||
36ff232c MC |
3312 | /* By default we send two session tickets automatically in TLSv1.3 */ |
3313 | ret->num_tickets = 2; | |
9d0a8bb7 | 3314 | |
8a5ed9dc TM |
3315 | ssl_ctx_system_config(ret); |
3316 | ||
16203f7b | 3317 | return ret; |
0f113f3e | 3318 | err: |
6849b73c | 3319 | ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE); |
0f113f3e | 3320 | err2: |
e0e920b1 | 3321 | SSL_CTX_free(ret); |
16203f7b | 3322 | return NULL; |
0f113f3e | 3323 | } |
d02b48c6 | 3324 | |
ba18627e MC |
3325 | SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth) |
3326 | { | |
d8652be0 | 3327 | return SSL_CTX_new_ex(NULL, NULL, meth); |
ba18627e MC |
3328 | } |
3329 | ||
c5ebfcab | 3330 | int SSL_CTX_up_ref(SSL_CTX *ctx) |
a18a31e4 | 3331 | { |
16203f7b | 3332 | int i; |
c5ebfcab | 3333 | |
2f545ae4 | 3334 | if (CRYPTO_UP_REF(&ctx->references, &i, ctx->lock) <= 0) |
c5ebfcab F |
3335 | return 0; |
3336 | ||
3337 | REF_PRINT_COUNT("SSL_CTX", ctx); | |
3338 | REF_ASSERT_ISNT(i < 2); | |
3339 | return ((i > 1) ? 1 : 0); | |
a18a31e4 MC |
3340 | } |
3341 | ||
4f43d0e7 | 3342 | void SSL_CTX_free(SSL_CTX *a) |
0f113f3e MC |
3343 | { |
3344 | int i; | |
9d2d857f | 3345 | size_t j; |
d02b48c6 | 3346 | |
0f113f3e MC |
3347 | if (a == NULL) |
3348 | return; | |
d02b48c6 | 3349 | |
2f545ae4 | 3350 | CRYPTO_DOWN_REF(&a->references, &i, a->lock); |
f3f1cf84 | 3351 | REF_PRINT_COUNT("SSL_CTX", a); |
0f113f3e MC |
3352 | if (i > 0) |
3353 | return; | |
f3f1cf84 | 3354 | REF_ASSERT_ISNT(i < 0); |
0f113f3e | 3355 | |
222561fe | 3356 | X509_VERIFY_PARAM_free(a->param); |
919ba009 | 3357 | dane_ctx_final(&a->dane); |
0f113f3e MC |
3358 | |
3359 | /* | |
3360 | * Free internal session cache. However: the remove_cb() may reference | |
3361 | * the ex_data of SSL_CTX, thus the ex_data store can only be removed | |
3362 | * after the sessions were flushed. | |
3363 | * As the ex_data handling routines might also touch the session cache, | |
3364 | * the most secure solution seems to be: empty (flush) the cache, then | |
3365 | * free ex_data, then finally free the cache. | |
3366 | * (See ticket [openssl.org #212].) | |
3367 | */ | |
3368 | if (a->sessions != NULL) | |
3369 | SSL_CTX_flush_sessions(a, 0); | |
3370 | ||
3371 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data); | |
25aaa98a | 3372 | lh_SSL_SESSION_free(a->sessions); |
222561fe | 3373 | X509_STORE_free(a->cert_store); |
ed29e82a RP |
3374 | #ifndef OPENSSL_NO_CT |
3375 | CTLOG_STORE_free(a->ctlog_store); | |
3376 | #endif | |
25aaa98a RS |
3377 | sk_SSL_CIPHER_free(a->cipher_list); |
3378 | sk_SSL_CIPHER_free(a->cipher_list_by_id); | |
f865b081 | 3379 | sk_SSL_CIPHER_free(a->tls13_ciphersuites); |
e0e920b1 | 3380 | ssl_cert_free(a->cert); |
fa7c2637 | 3381 | sk_X509_NAME_pop_free(a->ca_names, X509_NAME_free); |
98732979 | 3382 | sk_X509_NAME_pop_free(a->client_ca_names, X509_NAME_free); |
222561fe | 3383 | sk_X509_pop_free(a->extra_certs, X509_free); |
0f113f3e | 3384 | a->comp_methods = NULL; |
e783bae2 | 3385 | #ifndef OPENSSL_NO_SRTP |
25aaa98a | 3386 | sk_SRTP_PROTECTION_PROFILE_free(a->srtp_profiles); |
e783bae2 | 3387 | #endif |
edc032b5 | 3388 | #ifndef OPENSSL_NO_SRP |
0f113f3e | 3389 | SSL_CTX_SRP_CTX_free(a); |
edc032b5 | 3390 | #endif |
bdfe932d | 3391 | #ifndef OPENSSL_NO_ENGINE |
301fcb28 | 3392 | tls_engine_finish(a->client_cert_engine); |
ddac1974 | 3393 | #endif |
8671b898 | 3394 | |
e481f9b9 | 3395 | #ifndef OPENSSL_NO_EC |
aff8c126 | 3396 | OPENSSL_free(a->ext.ecpointformats); |
8671b898 | 3397 | #endif |
187753e0 | 3398 | OPENSSL_free(a->ext.supportedgroups); |
aff8c126 | 3399 | OPENSSL_free(a->ext.alpn); |
4bfb96f2 | 3400 | OPENSSL_secure_free(a->ext.secure); |
8671b898 | 3401 | |
c8f6c28a MC |
3402 | ssl_evp_md_free(a->md5); |
3403 | ssl_evp_md_free(a->sha1); | |
3404 | ||
9d2d857f MC |
3405 | for (j = 0; j < SSL_ENC_NUM_IDX; j++) |
3406 | ssl_evp_cipher_free(a->ssl_cipher_methods[j]); | |
3407 | for (j = 0; j < SSL_MD_NUM_IDX; j++) | |
3408 | ssl_evp_md_free(a->ssl_digest_methods[j]); | |
3409 | for (j = 0; j < a->group_list_len; j++) { | |
3410 | OPENSSL_free(a->group_list[j].tlsname); | |
3411 | OPENSSL_free(a->group_list[j].realname); | |
3412 | OPENSSL_free(a->group_list[j].algorithm); | |
3413 | } | |
3414 | OPENSSL_free(a->group_list); | |
c8f6c28a | 3415 | |
263ff2c9 MC |
3416 | OPENSSL_free(a->sigalg_lookup_cache); |
3417 | ||
16203f7b AG |
3418 | CRYPTO_THREAD_lock_free(a->lock); |
3419 | ||
ba18627e MC |
3420 | OPENSSL_free(a->propq); |
3421 | ||
0f113f3e MC |
3422 | OPENSSL_free(a); |
3423 | } | |
d02b48c6 | 3424 | |
3ae76679 | 3425 | void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb) |
0f113f3e MC |
3426 | { |
3427 | ctx->default_passwd_callback = cb; | |
3428 | } | |
3429 | ||
3430 | void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u) | |
3431 | { | |
3432 | ctx->default_passwd_callback_userdata = u; | |
3433 | } | |
3434 | ||
0c452abc CH |
3435 | pem_password_cb *SSL_CTX_get_default_passwd_cb(SSL_CTX *ctx) |
3436 | { | |
3437 | return ctx->default_passwd_callback; | |
3438 | } | |
3439 | ||
3440 | void *SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX *ctx) | |
3441 | { | |
3442 | return ctx->default_passwd_callback_userdata; | |
3443 | } | |
3444 | ||
a974e64a MC |
3445 | void SSL_set_default_passwd_cb(SSL *s, pem_password_cb *cb) |
3446 | { | |
3447 | s->default_passwd_callback = cb; | |
3448 | } | |
3449 | ||
3450 | void SSL_set_default_passwd_cb_userdata(SSL *s, void *u) | |
3451 | { | |
3452 | s->default_passwd_callback_userdata = u; | |
3453 | } | |
3454 | ||
0c452abc CH |
3455 | pem_password_cb *SSL_get_default_passwd_cb(SSL *s) |
3456 | { | |
3457 | return s->default_passwd_callback; | |
3458 | } | |
3459 | ||
3460 | void *SSL_get_default_passwd_cb_userdata(SSL *s) | |
3461 | { | |
3462 | return s->default_passwd_callback_userdata; | |
3463 | } | |
3464 | ||
0f113f3e MC |
3465 | void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, |
3466 | int (*cb) (X509_STORE_CTX *, void *), | |
3467 | void *arg) | |
3468 | { | |
3469 | ctx->app_verify_callback = cb; | |
3470 | ctx->app_verify_arg = arg; | |
3471 | } | |
3472 | ||
3473 | void SSL_CTX_set_verify(SSL_CTX *ctx, int mode, | |
3474 | int (*cb) (int, X509_STORE_CTX *)) | |
3475 | { | |
3476 | ctx->verify_mode = mode; | |
3477 | ctx->default_verify_callback = cb; | |
3478 | } | |
3479 | ||
3480 | void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth) | |
3481 | { | |
3482 | X509_VERIFY_PARAM_set_depth(ctx->param, depth); | |
3483 | } | |
3484 | ||
a230b26e | 3485 | void SSL_CTX_set_cert_cb(SSL_CTX *c, int (*cb) (SSL *ssl, void *arg), void *arg) |
0f113f3e MC |
3486 | { |
3487 | ssl_cert_set_cert_cb(c->cert, cb, arg); | |
3488 | } | |
3489 | ||
3490 | void SSL_set_cert_cb(SSL *s, int (*cb) (SSL *ssl, void *arg), void *arg) | |
3491 | { | |
3492 | ssl_cert_set_cert_cb(s->cert, cb, arg); | |
3493 | } | |
18d71588 | 3494 | |
2cf28d61 | 3495 | void ssl_set_masks(SSL *s) |
0f113f3e | 3496 | { |
6383d316 | 3497 | CERT *c = s->cert; |
555cbb32 | 3498 | uint32_t *pvalid = s->s3.tmp.valid_flags; |
bc71f910 | 3499 | int rsa_enc, rsa_sign, dh_tmp, dsa_sign; |
361a1191 | 3500 | unsigned long mask_k, mask_a; |
10bf4fc2 | 3501 | #ifndef OPENSSL_NO_EC |
361a1191 | 3502 | int have_ecc_cert, ecdsa_ok; |
14536c8c | 3503 | #endif |
0f113f3e MC |
3504 | if (c == NULL) |
3505 | return; | |
d02b48c6 | 3506 | |
bc36ee62 | 3507 | #ifndef OPENSSL_NO_DH |
0f113f3e | 3508 | dh_tmp = (c->dh_tmp != NULL || c->dh_tmp_cb != NULL || c->dh_tmp_auto); |
d02b48c6 | 3509 | #else |
361a1191 | 3510 | dh_tmp = 0; |
d02b48c6 RE |
3511 | #endif |
3512 | ||
d0ff28f8 | 3513 | rsa_enc = pvalid[SSL_PKEY_RSA] & CERT_PKEY_VALID; |
38e8f3cd DSH |
3514 | rsa_sign = pvalid[SSL_PKEY_RSA] & CERT_PKEY_VALID; |
3515 | dsa_sign = pvalid[SSL_PKEY_DSA_SIGN] & CERT_PKEY_VALID; | |
14536c8c | 3516 | #ifndef OPENSSL_NO_EC |
6383d316 | 3517 | have_ecc_cert = pvalid[SSL_PKEY_ECC] & CERT_PKEY_VALID; |
14536c8c | 3518 | #endif |
0f113f3e MC |
3519 | mask_k = 0; |
3520 | mask_a = 0; | |
0e1dba93 | 3521 | |
77359d22 RL |
3522 | OSSL_TRACE4(TLS_CIPHER, "dh_tmp=%d rsa_enc=%d rsa_sign=%d dsa_sign=%d\n", |
3523 | dh_tmp, rsa_enc, rsa_sign, dsa_sign); | |
0f113f3e | 3524 | |
2a9b9654 | 3525 | #ifndef OPENSSL_NO_GOST |
4020c0b3 | 3526 | if (ssl_has_cert(s, SSL_PKEY_GOST12_512)) { |
5a5530a2 | 3527 | mask_k |= SSL_kGOST | SSL_kGOST18; |
e44380a9 DB |
3528 | mask_a |= SSL_aGOST12; |
3529 | } | |
4020c0b3 | 3530 | if (ssl_has_cert(s, SSL_PKEY_GOST12_256)) { |
5a5530a2 | 3531 | mask_k |= SSL_kGOST | SSL_kGOST18; |
e44380a9 DB |
3532 | mask_a |= SSL_aGOST12; |
3533 | } | |
4020c0b3 | 3534 | if (ssl_has_cert(s, SSL_PKEY_GOST01)) { |
0f113f3e MC |
3535 | mask_k |= SSL_kGOST; |
3536 | mask_a |= SSL_aGOST01; | |
3537 | } | |
2a9b9654 | 3538 | #endif |
0f113f3e | 3539 | |
361a1191 | 3540 | if (rsa_enc) |
0f113f3e | 3541 | mask_k |= SSL_kRSA; |
d02b48c6 | 3542 | |
0f113f3e MC |
3543 | if (dh_tmp) |
3544 | mask_k |= SSL_kDHE; | |
d02b48c6 | 3545 | |
6aaa29fb DSH |
3546 | /* |
3547 | * If we only have an RSA-PSS certificate allow RSA authentication | |
3548 | * if TLS 1.2 and peer supports it. | |
3549 | */ | |
3550 | ||
3551 | if (rsa_enc || rsa_sign || (ssl_has_cert(s, SSL_PKEY_RSA_PSS_SIGN) | |
3552 | && pvalid[SSL_PKEY_RSA_PSS_SIGN] & CERT_PKEY_EXPLICIT_SIGN | |
3553 | && TLS1_get_version(s) == TLS1_2_VERSION)) | |
0f113f3e | 3554 | mask_a |= SSL_aRSA; |
d02b48c6 | 3555 | |
0f113f3e MC |
3556 | if (dsa_sign) { |
3557 | mask_a |= SSL_aDSS; | |
0f113f3e | 3558 | } |
d02b48c6 | 3559 | |
0f113f3e | 3560 | mask_a |= SSL_aNULL; |
d02b48c6 | 3561 | |
0f113f3e MC |
3562 | /* |
3563 | * An ECC certificate may be usable for ECDH and/or ECDSA cipher suites | |
3564 | * depending on the key usage extension. | |
3565 | */ | |
14536c8c | 3566 | #ifndef OPENSSL_NO_EC |
0f113f3e | 3567 | if (have_ecc_cert) { |
a8d8e06b | 3568 | uint32_t ex_kusage; |
4020c0b3 | 3569 | ex_kusage = X509_get_key_usage(c->pkeys[SSL_PKEY_ECC].x509); |
a8d8e06b | 3570 | ecdsa_ok = ex_kusage & X509v3_KU_DIGITAL_SIGNATURE; |
6383d316 | 3571 | if (!(pvalid[SSL_PKEY_ECC] & CERT_PKEY_SIGN)) |
0f113f3e | 3572 | ecdsa_ok = 0; |
c7c46256 | 3573 | if (ecdsa_ok) |
0f113f3e | 3574 | mask_a |= SSL_aECDSA; |
0f113f3e | 3575 | } |
b2021556 DSH |
3576 | /* Allow Ed25519 for TLS 1.2 if peer supports it */ |
3577 | if (!(mask_a & SSL_aECDSA) && ssl_has_cert(s, SSL_PKEY_ED25519) | |
3578 | && pvalid[SSL_PKEY_ED25519] & CERT_PKEY_EXPLICIT_SIGN | |
3579 | && TLS1_get_version(s) == TLS1_2_VERSION) | |
3580 | mask_a |= SSL_aECDSA; | |
0e1d6ecf MC |
3581 | |
3582 | /* Allow Ed448 for TLS 1.2 if peer supports it */ | |
3583 | if (!(mask_a & SSL_aECDSA) && ssl_has_cert(s, SSL_PKEY_ED448) | |
3584 | && pvalid[SSL_PKEY_ED448] & CERT_PKEY_EXPLICIT_SIGN | |
3585 | && TLS1_get_version(s) == TLS1_2_VERSION) | |
3586 | mask_a |= SSL_aECDSA; | |
14536c8c | 3587 | #endif |
ea262260 | 3588 | |
10bf4fc2 | 3589 | #ifndef OPENSSL_NO_EC |
fe6ef247 | 3590 | mask_k |= SSL_kECDHE; |
ea262260 | 3591 | #endif |
ddac1974 NL |
3592 | |
3593 | #ifndef OPENSSL_NO_PSK | |
0f113f3e MC |
3594 | mask_k |= SSL_kPSK; |
3595 | mask_a |= SSL_aPSK; | |
526f94ad DSH |
3596 | if (mask_k & SSL_kRSA) |
3597 | mask_k |= SSL_kRSAPSK; | |
3598 | if (mask_k & SSL_kDHE) | |
3599 | mask_k |= SSL_kDHEPSK; | |
3600 | if (mask_k & SSL_kECDHE) | |
3601 | mask_k |= SSL_kECDHEPSK; | |
ddac1974 NL |
3602 | #endif |
3603 | ||
555cbb32 TS |
3604 | s->s3.tmp.mask_k = mask_k; |
3605 | s->s3.tmp.mask_a = mask_a; | |
0f113f3e | 3606 | } |
d02b48c6 | 3607 | |
ef236ec3 DSH |
3608 | #ifndef OPENSSL_NO_EC |
3609 | ||
a2f9200f | 3610 | int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s) |
0f113f3e | 3611 | { |
555cbb32 | 3612 | if (s->s3.tmp.new_cipher->algorithm_auth & SSL_aECDSA) { |
0f113f3e | 3613 | /* key usage, if present, must allow signing */ |
ce0c1f2b | 3614 | if (!(X509_get_key_usage(x) & X509v3_KU_DIGITAL_SIGNATURE)) { |
6849b73c | 3615 | ERR_raise(ERR_LIB_SSL, SSL_R_ECC_CERT_NOT_FOR_SIGNING); |
0f113f3e MC |
3616 | return 0; |
3617 | } | |
3618 | } | |
0f113f3e MC |
3619 | return 1; /* all checks are ok */ |
3620 | } | |
ea262260 | 3621 | |
ef236ec3 DSH |
3622 | #endif |
3623 | ||
a398f821 | 3624 | int ssl_get_server_cert_serverinfo(SSL *s, const unsigned char **serverinfo, |
0f113f3e MC |
3625 | size_t *serverinfo_length) |
3626 | { | |
555cbb32 | 3627 | CERT_PKEY *cpk = s->s3.tmp.cert; |
0f113f3e MC |
3628 | *serverinfo_length = 0; |
3629 | ||
a497cf25 | 3630 | if (cpk == NULL || cpk->serverinfo == NULL) |
0f113f3e MC |
3631 | return 0; |
3632 | ||
a497cf25 DSH |
3633 | *serverinfo = cpk->serverinfo; |
3634 | *serverinfo_length = cpk->serverinfo_length; | |
0f113f3e MC |
3635 | return 1; |
3636 | } | |
0f113f3e MC |
3637 | |
3638 | void ssl_update_cache(SSL *s, int mode) | |
3639 | { | |
3640 | int i; | |
3641 | ||
3642 | /* | |
3643 | * If the session_id_length is 0, we are not supposed to cache it, and it | |
3644 | * would be rather hard to do anyway :-) | |
3645 | */ | |
3646 | if (s->session->session_id_length == 0) | |
3647 | return; | |
3648 | ||
d316cdcf BK |
3649 | /* |
3650 | * If sid_ctx_length is 0 there is no specific application context | |
3651 | * associated with this session, so when we try to resume it and | |
c4fa1f7f BK |
3652 | * SSL_VERIFY_PEER is requested to verify the client identity, we have no |
3653 | * indication that this is actually a session for the proper application | |
3654 | * context, and the *handshake* will fail, not just the resumption attempt. | |
3655 | * Do not cache (on the server) these sessions that are not resumable | |
3656 | * (clients can set SSL_VERIFY_PEER without needing a sid_ctx set). | |
d316cdcf | 3657 | */ |
c4fa1f7f | 3658 | if (s->server && s->session->sid_ctx_length == 0 |
d316cdcf BK |
3659 | && (s->verify_mode & SSL_VERIFY_PEER) != 0) |
3660 | return; | |
3661 | ||
0f113f3e | 3662 | i = s->session_ctx->session_cache_mode; |
5d61491c | 3663 | if ((i & mode) != 0 |
ee94ec2e MC |
3664 | && (!s->hit || SSL_IS_TLS13(s))) { |
3665 | /* | |
3666 | * Add the session to the internal cache. In server side TLSv1.3 we | |
6cc0b3c2 MC |
3667 | * normally don't do this because by default it's a full stateless ticket |
3668 | * with only a dummy session id so there is no reason to cache it, | |
3669 | * unless: | |
ee94ec2e MC |
3670 | * - we are doing early_data, in which case we cache so that we can |
3671 | * detect replays | |
3672 | * - the application has set a remove_session_cb so needs to know about | |
3673 | * session timeout events | |
6cc0b3c2 | 3674 | * - SSL_OP_NO_TICKET is set in which case it is a stateful ticket |
ee94ec2e MC |
3675 | */ |
3676 | if ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE) == 0 | |
3677 | && (!SSL_IS_TLS13(s) | |
3678 | || !s->server | |
5d263fb7 MC |
3679 | || (s->max_early_data > 0 |
3680 | && (s->options & SSL_OP_NO_ANTI_REPLAY) == 0) | |
6cc0b3c2 MC |
3681 | || s->session_ctx->remove_session_cb != NULL |
3682 | || (s->options & SSL_OP_NO_TICKET) != 0)) | |
ee94ec2e MC |
3683 | SSL_CTX_add_session(s->session_ctx, s->session); |
3684 | ||
3685 | /* | |
3686 | * Add the session to the external cache. We do this even in server side | |
3687 | * TLSv1.3 without early data because some applications just want to | |
3688 | * know about the creation of a session and aren't doing a full cache. | |
3689 | */ | |
3690 | if (s->session_ctx->new_session_cb != NULL) { | |
3691 | SSL_SESSION_up_ref(s->session); | |
3692 | if (!s->session_ctx->new_session_cb(s, s->session)) | |
3693 | SSL_SESSION_free(s->session); | |
3694 | } | |
0f113f3e MC |
3695 | } |
3696 | ||
3697 | /* auto flush every 255 connections */ | |
3698 | if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) && ((i & mode) == mode)) { | |
9ef9088c | 3699 | TSAN_QUALIFIER int *stat; |
1fcb4e4d BK |
3700 | if (mode & SSL_SESS_CACHE_CLIENT) |
3701 | stat = &s->session_ctx->stats.sess_connect_good; | |
3702 | else | |
3703 | stat = &s->session_ctx->stats.sess_accept_good; | |
9ef9088c | 3704 | if ((tsan_load(stat) & 0xff) == 0xff) |
0f113f3e | 3705 | SSL_CTX_flush_sessions(s->session_ctx, (unsigned long)time(NULL)); |
0f113f3e MC |
3706 | } |
3707 | } | |
d02b48c6 | 3708 | |
3499327b | 3709 | const SSL_METHOD *SSL_CTX_get_ssl_method(const SSL_CTX *ctx) |
0f113f3e MC |
3710 | { |
3711 | return ctx->method; | |
3712 | } | |
ba168244 | 3713 | |
3499327b | 3714 | const SSL_METHOD *SSL_get_ssl_method(const SSL *s) |
0f113f3e | 3715 | { |
26a7d938 | 3716 | return s->method; |
0f113f3e | 3717 | } |
d02b48c6 | 3718 | |
4ebb342f | 3719 | int SSL_set_ssl_method(SSL *s, const SSL_METHOD *meth) |
0f113f3e | 3720 | { |
0f113f3e MC |
3721 | int ret = 1; |
3722 | ||
3723 | if (s->method != meth) { | |
919ba009 | 3724 | const SSL_METHOD *sm = s->method; |
a230b26e | 3725 | int (*hf) (SSL *) = s->handshake_func; |
0f113f3e | 3726 | |
919ba009 | 3727 | if (sm->version == meth->version) |
0f113f3e MC |
3728 | s->method = meth; |
3729 | else { | |
919ba009 | 3730 | sm->ssl_free(s); |
0f113f3e MC |
3731 | s->method = meth; |
3732 | ret = s->method->ssl_new(s); | |
3733 | } | |
3734 | ||
919ba009 | 3735 | if (hf == sm->ssl_connect) |
0f113f3e | 3736 | s->handshake_func = meth->ssl_connect; |
919ba009 | 3737 | else if (hf == sm->ssl_accept) |
0f113f3e MC |
3738 | s->handshake_func = meth->ssl_accept; |
3739 | } | |
26a7d938 | 3740 | return ret; |
0f113f3e MC |
3741 | } |
3742 | ||
3743 | int SSL_get_error(const SSL *s, int i) | |
3744 | { | |
3745 | int reason; | |
3746 | unsigned long l; | |
3747 | BIO *bio; | |
3748 | ||
3749 | if (i > 0) | |
26a7d938 | 3750 | return SSL_ERROR_NONE; |
0f113f3e MC |
3751 | |
3752 | /* | |
3753 | * Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake etc, | |
3754 | * where we do encode the error | |
3755 | */ | |
3756 | if ((l = ERR_peek_error()) != 0) { | |
3757 | if (ERR_GET_LIB(l) == ERR_LIB_SYS) | |
26a7d938 | 3758 | return SSL_ERROR_SYSCALL; |
0f113f3e | 3759 | else |
26a7d938 | 3760 | return SSL_ERROR_SSL; |
0f113f3e MC |
3761 | } |
3762 | ||
8051ab2b MC |
3763 | if (SSL_want_read(s)) { |
3764 | bio = SSL_get_rbio(s); | |
3765 | if (BIO_should_read(bio)) | |
26a7d938 | 3766 | return SSL_ERROR_WANT_READ; |
8051ab2b MC |
3767 | else if (BIO_should_write(bio)) |
3768 | /* | |
3769 | * This one doesn't make too much sense ... We never try to write | |
3770 | * to the rbio, and an application program where rbio and wbio | |
3771 | * are separate couldn't even know what it should wait for. | |
3772 | * However if we ever set s->rwstate incorrectly (so that we have | |
3773 | * SSL_want_read(s) instead of SSL_want_write(s)) and rbio and | |
3774 | * wbio *are* the same, this test works around that bug; so it | |
3775 | * might be safer to keep it. | |
3776 | */ | |
26a7d938 | 3777 | return SSL_ERROR_WANT_WRITE; |
8051ab2b MC |
3778 | else if (BIO_should_io_special(bio)) { |
3779 | reason = BIO_get_retry_reason(bio); | |
3780 | if (reason == BIO_RR_CONNECT) | |
26a7d938 | 3781 | return SSL_ERROR_WANT_CONNECT; |
8051ab2b | 3782 | else if (reason == BIO_RR_ACCEPT) |
26a7d938 | 3783 | return SSL_ERROR_WANT_ACCEPT; |
8051ab2b | 3784 | else |
26a7d938 | 3785 | return SSL_ERROR_SYSCALL; /* unknown */ |
0f113f3e | 3786 | } |
8051ab2b | 3787 | } |
0f113f3e | 3788 | |
8051ab2b | 3789 | if (SSL_want_write(s)) { |
69687aa8 | 3790 | /* Access wbio directly - in order to use the buffered bio if present */ |
8051ab2b MC |
3791 | bio = s->wbio; |
3792 | if (BIO_should_write(bio)) | |
26a7d938 | 3793 | return SSL_ERROR_WANT_WRITE; |
8051ab2b | 3794 | else if (BIO_should_read(bio)) |
2e7dc7cd | 3795 | /* |
8051ab2b | 3796 | * See above (SSL_want_read(s) with BIO_should_write(bio)) |
2e7dc7cd | 3797 | */ |
26a7d938 | 3798 | return SSL_ERROR_WANT_READ; |
8051ab2b MC |
3799 | else if (BIO_should_io_special(bio)) { |
3800 | reason = BIO_get_retry_reason(bio); | |
3801 | if (reason == BIO_RR_CONNECT) | |
26a7d938 | 3802 | return SSL_ERROR_WANT_CONNECT; |
8051ab2b | 3803 | else if (reason == BIO_RR_ACCEPT) |
26a7d938 | 3804 | return SSL_ERROR_WANT_ACCEPT; |
8051ab2b | 3805 | else |
26a7d938 | 3806 | return SSL_ERROR_SYSCALL; |
0f113f3e | 3807 | } |
07bbc92c | 3808 | } |
6b1bb98f | 3809 | if (SSL_want_x509_lookup(s)) |
26a7d938 | 3810 | return SSL_ERROR_WANT_X509_LOOKUP; |
6b1bb98f | 3811 | if (SSL_want_async(s)) |
8051ab2b | 3812 | return SSL_ERROR_WANT_ASYNC; |
6b1bb98f | 3813 | if (SSL_want_async_job(s)) |
8051ab2b | 3814 | return SSL_ERROR_WANT_ASYNC_JOB; |
a9c0d8be DB |
3815 | if (SSL_want_client_hello_cb(s)) |
3816 | return SSL_ERROR_WANT_CLIENT_HELLO_CB; | |
8051ab2b MC |
3817 | |
3818 | if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) && | |
555cbb32 | 3819 | (s->s3.warn_alert == SSL_AD_CLOSE_NOTIFY)) |
26a7d938 | 3820 | return SSL_ERROR_ZERO_RETURN; |
8051ab2b | 3821 | |
26a7d938 | 3822 | return SSL_ERROR_SYSCALL; |
0f113f3e | 3823 | } |
d02b48c6 | 3824 | |
add2f5ca MC |
3825 | static int ssl_do_handshake_intern(void *vargs) |
3826 | { | |
3827 | struct ssl_async_args *args; | |
3828 | SSL *s; | |
3829 | ||
3830 | args = (struct ssl_async_args *)vargs; | |
3831 | s = args->s; | |
3832 | ||
3833 | return s->handshake_func(s); | |
3834 | } | |
3835 | ||
4f43d0e7 | 3836 | int SSL_do_handshake(SSL *s) |
0f113f3e MC |
3837 | { |
3838 | int ret = 1; | |
3839 | ||
3840 | if (s->handshake_func == NULL) { | |
6849b73c | 3841 | ERR_raise(ERR_LIB_SSL, SSL_R_CONNECTION_TYPE_NOT_SET); |
add2f5ca | 3842 | return -1; |
0f113f3e MC |
3843 | } |
3844 | ||
3eaa4170 | 3845 | ossl_statem_check_finish_init(s, -1); |
49e7fe12 | 3846 | |
c7f47786 | 3847 | s->method->ssl_renegotiate_check(s, 0); |
0f113f3e MC |
3848 | |
3849 | if (SSL_in_init(s) || SSL_in_before(s)) { | |
e8aa8b6c | 3850 | if ((s->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
add2f5ca MC |
3851 | struct ssl_async_args args; |
3852 | ||
3853 | args.s = s; | |
3854 | ||
7fecbf6f | 3855 | ret = ssl_start_async_job(s, &args, ssl_do_handshake_intern); |
add2f5ca MC |
3856 | } else { |
3857 | ret = s->handshake_func(s); | |
3858 | } | |
0f113f3e | 3859 | } |
add2f5ca | 3860 | return ret; |
0f113f3e MC |
3861 | } |
3862 | ||
4f43d0e7 | 3863 | void SSL_set_accept_state(SSL *s) |
0f113f3e MC |
3864 | { |
3865 | s->server = 1; | |
3866 | s->shutdown = 0; | |
fe3a3291 | 3867 | ossl_statem_clear(s); |
0f113f3e | 3868 | s->handshake_func = s->method->ssl_accept; |
d31fb0b5 | 3869 | clear_ciphers(s); |
0f113f3e | 3870 | } |
d02b48c6 | 3871 | |
4f43d0e7 | 3872 | void SSL_set_connect_state(SSL *s) |
0f113f3e MC |
3873 | { |
3874 | s->server = 0; | |
3875 | s->shutdown = 0; | |
fe3a3291 | 3876 | ossl_statem_clear(s); |
0f113f3e | 3877 | s->handshake_func = s->method->ssl_connect; |
d31fb0b5 | 3878 | clear_ciphers(s); |
0f113f3e | 3879 | } |
d02b48c6 | 3880 | |
4f43d0e7 | 3881 | int ssl_undefined_function(SSL *s) |
0f113f3e | 3882 | { |
6849b73c | 3883 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
26a7d938 | 3884 | return 0; |
0f113f3e | 3885 | } |
d02b48c6 | 3886 | |
41a15c4f | 3887 | int ssl_undefined_void_function(void) |
0f113f3e | 3888 | { |
6849b73c | 3889 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
26a7d938 | 3890 | return 0; |
0f113f3e | 3891 | } |
41a15c4f | 3892 | |
0821bcd4 | 3893 | int ssl_undefined_const_function(const SSL *s) |
0f113f3e | 3894 | { |
26a7d938 | 3895 | return 0; |
0f113f3e | 3896 | } |
0821bcd4 | 3897 | |
2b8fa1d5 | 3898 | const SSL_METHOD *ssl_bad_method(int ver) |
0f113f3e | 3899 | { |
6849b73c | 3900 | ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
26a7d938 | 3901 | return NULL; |
0f113f3e | 3902 | } |
d02b48c6 | 3903 | |
3eb2aff4 | 3904 | const char *ssl_protocol_to_string(int version) |
7d650072 | 3905 | { |
2abacef1 MC |
3906 | switch(version) |
3907 | { | |
3908 | case TLS1_3_VERSION: | |
582a17d6 | 3909 | return "TLSv1.3"; |
2abacef1 MC |
3910 | |
3911 | case TLS1_2_VERSION: | |
7d650072 | 3912 | return "TLSv1.2"; |
2abacef1 MC |
3913 | |
3914 | case TLS1_1_VERSION: | |
7d650072 | 3915 | return "TLSv1.1"; |
2abacef1 MC |
3916 | |
3917 | case TLS1_VERSION: | |
ee3a6c64 | 3918 | return "TLSv1"; |
2abacef1 MC |
3919 | |
3920 | case SSL3_VERSION: | |
7d650072 | 3921 | return "SSLv3"; |
2abacef1 MC |
3922 | |
3923 | case DTLS1_BAD_VER: | |
7d650072 | 3924 | return "DTLSv0.9"; |
2abacef1 MC |
3925 | |
3926 | case DTLS1_VERSION: | |
7d650072 | 3927 | return "DTLSv1"; |
2abacef1 MC |
3928 | |
3929 | case DTLS1_2_VERSION: | |
7d650072 | 3930 | return "DTLSv1.2"; |
2abacef1 MC |
3931 | |
3932 | default: | |
3933 | return "unknown"; | |
3934 | } | |
0f113f3e | 3935 | } |
d02b48c6 | 3936 | |
7d650072 KR |
3937 | const char *SSL_get_version(const SSL *s) |
3938 | { | |
3eb2aff4 | 3939 | return ssl_protocol_to_string(s->version); |
7d650072 KR |
3940 | } |
3941 | ||
98732979 | 3942 | static int dup_ca_names(STACK_OF(X509_NAME) **dst, STACK_OF(X509_NAME) *src) |
0f113f3e MC |
3943 | { |
3944 | STACK_OF(X509_NAME) *sk; | |
3945 | X509_NAME *xn; | |
98732979 MC |
3946 | int i; |
3947 | ||
3948 | if (src == NULL) { | |
3949 | *dst = NULL; | |
3950 | return 1; | |
3951 | } | |
3952 | ||
3953 | if ((sk = sk_X509_NAME_new_null()) == NULL) | |
3954 | return 0; | |
3955 | for (i = 0; i < sk_X509_NAME_num(src); i++) { | |
3956 | xn = X509_NAME_dup(sk_X509_NAME_value(src, i)); | |
3957 | if (xn == NULL) { | |
3958 | sk_X509_NAME_pop_free(sk, X509_NAME_free); | |
3959 | return 0; | |
3960 | } | |
3961 | if (sk_X509_NAME_insert(sk, xn, i) == 0) { | |
3962 | X509_NAME_free(xn); | |
3963 | sk_X509_NAME_pop_free(sk, X509_NAME_free); | |
3964 | return 0; | |
3965 | } | |
3966 | } | |
3967 | *dst = sk; | |
3968 | ||
3969 | return 1; | |
3970 | } | |
3971 | ||
3972 | SSL *SSL_dup(SSL *s) | |
3973 | { | |
0f113f3e MC |
3974 | SSL *ret; |
3975 | int i; | |
3976 | ||
919ba009 VD |
3977 | /* If we're not quiescent, just up_ref! */ |
3978 | if (!SSL_in_init(s) || !SSL_in_before(s)) { | |
2f545ae4 | 3979 | CRYPTO_UP_REF(&s->references, &i, s->lock); |
919ba009 VD |
3980 | return s; |
3981 | } | |
3982 | ||
3983 | /* | |
3984 | * Otherwise, copy configuration state, and session if set. | |
3985 | */ | |
0f113f3e | 3986 | if ((ret = SSL_new(SSL_get_SSL_CTX(s))) == NULL) |
26a7d938 | 3987 | return NULL; |
0f113f3e | 3988 | |
0f113f3e | 3989 | if (s->session != NULL) { |
919ba009 VD |
3990 | /* |
3991 | * Arranges to share the same session via up_ref. This "copies" | |
3992 | * session-id, SSL_METHOD, sid_ctx, and 'cert' | |
3993 | */ | |
61986d32 | 3994 | if (!SSL_copy_session_id(ret, s)) |
17dd65e6 | 3995 | goto err; |
0f113f3e MC |
3996 | } else { |
3997 | /* | |
3998 | * No session has been established yet, so we have to expect that | |
3999 | * s->cert or ret->cert will be changed later -- they should not both | |
4000 | * point to the same object, and thus we can't use | |
4001 | * SSL_copy_session_id. | |
4002 | */ | |
919ba009 VD |
4003 | if (!SSL_set_ssl_method(ret, s->method)) |
4004 | goto err; | |
0f113f3e MC |
4005 | |
4006 | if (s->cert != NULL) { | |
e0e920b1 | 4007 | ssl_cert_free(ret->cert); |
0f113f3e MC |
4008 | ret->cert = ssl_cert_dup(s->cert); |
4009 | if (ret->cert == NULL) | |
4010 | goto err; | |
4011 | } | |
4012 | ||
348240c6 MC |
4013 | if (!SSL_set_session_id_context(ret, s->sid_ctx, |
4014 | (int)s->sid_ctx_length)) | |
69f68237 | 4015 | goto err; |
0f113f3e MC |
4016 | } |
4017 | ||
9f6b22b8 VD |
4018 | if (!ssl_dane_dup(ret, s)) |
4019 | goto err; | |
919ba009 | 4020 | ret->version = s->version; |
0f113f3e | 4021 | ret->options = s->options; |
f12dd991 MC |
4022 | ret->min_proto_version = s->min_proto_version; |
4023 | ret->max_proto_version = s->max_proto_version; | |
0f113f3e MC |
4024 | ret->mode = s->mode; |
4025 | SSL_set_max_cert_list(ret, SSL_get_max_cert_list(s)); | |
4026 | SSL_set_read_ahead(ret, SSL_get_read_ahead(s)); | |
4027 | ret->msg_callback = s->msg_callback; | |
4028 | ret->msg_callback_arg = s->msg_callback_arg; | |
4029 | SSL_set_verify(ret, SSL_get_verify_mode(s), SSL_get_verify_callback(s)); | |
4030 | SSL_set_verify_depth(ret, SSL_get_verify_depth(s)); | |
4031 | ret->generate_session_id = s->generate_session_id; | |
4032 | ||
4033 | SSL_set_info_callback(ret, SSL_get_info_callback(s)); | |
4034 | ||
0f113f3e MC |
4035 | /* copy app data, a little dangerous perhaps */ |
4036 | if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data)) | |
4037 | goto err; | |
4038 | ||
0f113f3e | 4039 | ret->server = s->server; |
919ba009 VD |
4040 | if (s->handshake_func) { |
4041 | if (s->server) | |
4042 | SSL_set_accept_state(ret); | |
4043 | else | |
4044 | SSL_set_connect_state(ret); | |
4045 | } | |
0f113f3e | 4046 | ret->shutdown = s->shutdown; |
0f113f3e MC |
4047 | ret->hit = s->hit; |
4048 | ||
a974e64a MC |
4049 | ret->default_passwd_callback = s->default_passwd_callback; |
4050 | ret->default_passwd_callback_userdata = s->default_passwd_callback_userdata; | |
4051 | ||
0f113f3e MC |
4052 | X509_VERIFY_PARAM_inherit(ret->param, s->param); |
4053 | ||
4054 | /* dup the cipher_list and cipher_list_by_id stacks */ | |
4055 | if (s->cipher_list != NULL) { | |
4056 | if ((ret->cipher_list = sk_SSL_CIPHER_dup(s->cipher_list)) == NULL) | |
4057 | goto err; | |
4058 | } | |
4059 | if (s->cipher_list_by_id != NULL) | |
4060 | if ((ret->cipher_list_by_id = sk_SSL_CIPHER_dup(s->cipher_list_by_id)) | |
4061 | == NULL) | |
4062 | goto err; | |
4063 | ||
4064 | /* Dup the client_CA list */ | |
98732979 MC |
4065 | if (!dup_ca_names(&ret->ca_names, s->ca_names) |
4066 | || !dup_ca_names(&ret->client_ca_names, s->client_ca_names)) | |
4067 | goto err; | |
4068 | ||
66696478 | 4069 | return ret; |
0f113f3e | 4070 | |
0f113f3e | 4071 | err: |
66696478 RS |
4072 | SSL_free(ret); |
4073 | return NULL; | |
0f113f3e | 4074 | } |
d02b48c6 | 4075 | |
4f43d0e7 | 4076 | void ssl_clear_cipher_ctx(SSL *s) |
0f113f3e MC |
4077 | { |
4078 | if (s->enc_read_ctx != NULL) { | |
846ec07d | 4079 | EVP_CIPHER_CTX_free(s->enc_read_ctx); |
0f113f3e MC |
4080 | s->enc_read_ctx = NULL; |
4081 | } | |
4082 | if (s->enc_write_ctx != NULL) { | |
846ec07d | 4083 | EVP_CIPHER_CTX_free(s->enc_write_ctx); |
0f113f3e MC |
4084 | s->enc_write_ctx = NULL; |
4085 | } | |
09b6c2ef | 4086 | #ifndef OPENSSL_NO_COMP |
efa7dd64 RS |
4087 | COMP_CTX_free(s->expand); |
4088 | s->expand = NULL; | |
4089 | COMP_CTX_free(s->compress); | |
4090 | s->compress = NULL; | |
0f113f3e MC |
4091 | #endif |
4092 | } | |
d02b48c6 | 4093 | |
0821bcd4 | 4094 | X509 *SSL_get_certificate(const SSL *s) |
0f113f3e MC |
4095 | { |
4096 | if (s->cert != NULL) | |
26a7d938 | 4097 | return s->cert->key->x509; |
0f113f3e | 4098 | else |
26a7d938 | 4099 | return NULL; |
0f113f3e | 4100 | } |
d02b48c6 | 4101 | |
a25f9adc | 4102 | EVP_PKEY *SSL_get_privatekey(const SSL *s) |
0f113f3e MC |
4103 | { |
4104 | if (s->cert != NULL) | |
26a7d938 | 4105 | return s->cert->key->privatekey; |
0f113f3e | 4106 | else |
26a7d938 | 4107 | return NULL; |
0f113f3e | 4108 | } |
d02b48c6 | 4109 | |
a25f9adc | 4110 | X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx) |
0f113f3e MC |
4111 | { |
4112 | if (ctx->cert != NULL) | |
4113 | return ctx->cert->key->x509; | |
4114 | else | |
4115 | return NULL; | |
4116 | } | |
a25f9adc DSH |
4117 | |
4118 | EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx) | |
0f113f3e MC |
4119 | { |
4120 | if (ctx->cert != NULL) | |
4121 | return ctx->cert->key->privatekey; | |
4122 | else | |
4123 | return NULL; | |
4124 | } | |
a25f9adc | 4125 | |
babb3798 | 4126 | const SSL_CIPHER *SSL_get_current_cipher(const SSL *s) |
0f113f3e MC |
4127 | { |
4128 | if ((s->session != NULL) && (s->session->cipher != NULL)) | |
26a7d938 K |
4129 | return s->session->cipher; |
4130 | return NULL; | |
0f113f3e MC |
4131 | } |
4132 | ||
0aed6e44 BK |
4133 | const SSL_CIPHER *SSL_get_pending_cipher(const SSL *s) |
4134 | { | |
555cbb32 | 4135 | return s->s3.tmp.new_cipher; |
0aed6e44 BK |
4136 | } |
4137 | ||
3499327b | 4138 | const COMP_METHOD *SSL_get_current_compression(const SSL *s) |
0f113f3e | 4139 | { |
9a555706 RS |
4140 | #ifndef OPENSSL_NO_COMP |
4141 | return s->compress ? COMP_CTX_get_method(s->compress) : NULL; | |
4142 | #else | |
4143 | return NULL; | |
4144 | #endif | |
0f113f3e | 4145 | } |
377dcdba | 4146 | |
3499327b | 4147 | const COMP_METHOD *SSL_get_current_expansion(const SSL *s) |
0f113f3e | 4148 | { |
9a555706 RS |
4149 | #ifndef OPENSSL_NO_COMP |
4150 | return s->expand ? COMP_CTX_get_method(s->expand) : NULL; | |
4151 | #else | |
4152 | return NULL; | |
0f113f3e | 4153 | #endif |
9a555706 | 4154 | } |
0f113f3e | 4155 | |
46417569 | 4156 | int ssl_init_wbio_buffer(SSL *s) |
0f113f3e MC |
4157 | { |
4158 | BIO *bbio; | |
4159 | ||
2e7dc7cd MC |
4160 | if (s->bbio != NULL) { |
4161 | /* Already buffered. */ | |
4162 | return 1; | |
0f113f3e | 4163 | } |
46417569 | 4164 | |
2e7dc7cd MC |
4165 | bbio = BIO_new(BIO_f_buffer()); |
4166 | if (bbio == NULL || !BIO_set_read_buffer_size(bbio, 1)) { | |
4167 | BIO_free(bbio); | |
6849b73c | 4168 | ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB); |
46417569 | 4169 | return 0; |
0f113f3e | 4170 | } |
2e7dc7cd MC |
4171 | s->bbio = bbio; |
4172 | s->wbio = BIO_push(bbio, s->wbio); | |
46417569 MC |
4173 | |
4174 | return 1; | |
0f113f3e | 4175 | } |
413c4f45 | 4176 | |
b77f3ed1 | 4177 | int ssl_free_wbio_buffer(SSL *s) |
0f113f3e | 4178 | { |
62adbcee | 4179 | /* callers ensure s is never null */ |
0f113f3e | 4180 | if (s->bbio == NULL) |
b77f3ed1 | 4181 | return 1; |
0f113f3e | 4182 | |
2e7dc7cd | 4183 | s->wbio = BIO_pop(s->wbio); |
0f113f3e MC |
4184 | BIO_free(s->bbio); |
4185 | s->bbio = NULL; | |
b77f3ed1 MC |
4186 | |
4187 | return 1; | |
0f113f3e MC |
4188 | } |
4189 | ||
4190 | void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode) | |
4191 | { | |
4192 | ctx->quiet_shutdown = mode; | |
4193 | } | |
58964a49 | 4194 | |
0821bcd4 | 4195 | int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx) |
0f113f3e | 4196 | { |
26a7d938 | 4197 | return ctx->quiet_shutdown; |
0f113f3e | 4198 | } |
58964a49 | 4199 | |
0f113f3e MC |
4200 | void SSL_set_quiet_shutdown(SSL *s, int mode) |
4201 | { | |
4202 | s->quiet_shutdown = mode; | |
4203 | } | |
58964a49 | 4204 | |
0821bcd4 | 4205 | int SSL_get_quiet_shutdown(const SSL *s) |
0f113f3e | 4206 | { |
26a7d938 | 4207 | return s->quiet_shutdown; |
0f113f3e | 4208 | } |
58964a49 | 4209 | |
0f113f3e MC |
4210 | void SSL_set_shutdown(SSL *s, int mode) |
4211 | { | |
4212 | s->shutdown = mode; | |
4213 | } | |
58964a49 | 4214 | |
0821bcd4 | 4215 | int SSL_get_shutdown(const SSL *s) |
0f113f3e | 4216 | { |
6546e9b2 | 4217 | return s->shutdown; |
0f113f3e | 4218 | } |
58964a49 | 4219 | |
0821bcd4 | 4220 | int SSL_version(const SSL *s) |
0f113f3e | 4221 | { |
6546e9b2 AG |
4222 | return s->version; |
4223 | } | |
4224 | ||
4225 | int SSL_client_version(const SSL *s) | |
4226 | { | |
4227 | return s->client_version; | |
0f113f3e | 4228 | } |
58964a49 | 4229 | |
0821bcd4 | 4230 | SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl) |
0f113f3e | 4231 | { |
6546e9b2 | 4232 | return ssl->ctx; |
0f113f3e MC |
4233 | } |
4234 | ||
4235 | SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx) | |
4236 | { | |
24a0d393 | 4237 | CERT *new_cert; |
0f113f3e MC |
4238 | if (ssl->ctx == ctx) |
4239 | return ssl->ctx; | |
0f113f3e | 4240 | if (ctx == NULL) |
222da979 | 4241 | ctx = ssl->session_ctx; |
24a0d393 KR |
4242 | new_cert = ssl_cert_dup(ctx->cert); |
4243 | if (new_cert == NULL) { | |
4244 | return NULL; | |
0f113f3e | 4245 | } |
21181889 MC |
4246 | |
4247 | if (!custom_exts_copy_flags(&new_cert->custext, &ssl->cert->custext)) { | |
4248 | ssl_cert_free(new_cert); | |
4249 | return NULL; | |
4250 | } | |
4251 | ||
24a0d393 KR |
4252 | ssl_cert_free(ssl->cert); |
4253 | ssl->cert = new_cert; | |
0f113f3e MC |
4254 | |
4255 | /* | |
4256 | * Program invariant: |sid_ctx| has fixed size (SSL_MAX_SID_CTX_LENGTH), | |
4257 | * so setter APIs must prevent invalid lengths from entering the system. | |
4258 | */ | |
380a522f MC |
4259 | if (!ossl_assert(ssl->sid_ctx_length <= sizeof(ssl->sid_ctx))) |
4260 | return NULL; | |
0f113f3e MC |
4261 | |
4262 | /* | |
4263 | * If the session ID context matches that of the parent SSL_CTX, | |
4264 | * inherit it from the new SSL_CTX as well. If however the context does | |
4265 | * not match (i.e., it was set per-ssl with SSL_set_session_id_context), | |
4266 | * leave it unchanged. | |
4267 | */ | |
4268 | if ((ssl->ctx != NULL) && | |
4269 | (ssl->sid_ctx_length == ssl->ctx->sid_ctx_length) && | |
4270 | (memcmp(ssl->sid_ctx, ssl->ctx->sid_ctx, ssl->sid_ctx_length) == 0)) { | |
4271 | ssl->sid_ctx_length = ctx->sid_ctx_length; | |
4272 | memcpy(&ssl->sid_ctx, &ctx->sid_ctx, sizeof(ssl->sid_ctx)); | |
4273 | } | |
4274 | ||
16203f7b | 4275 | SSL_CTX_up_ref(ctx); |
a230b26e | 4276 | SSL_CTX_free(ssl->ctx); /* decrement reference count */ |
0f113f3e MC |
4277 | ssl->ctx = ctx; |
4278 | ||
16203f7b | 4279 | return ssl->ctx; |
0f113f3e | 4280 | } |
ed3883d2 | 4281 | |
4f43d0e7 | 4282 | int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx) |
0f113f3e | 4283 | { |
d8652be0 MC |
4284 | return X509_STORE_set_default_paths_ex(ctx->cert_store, ctx->libctx, |
4285 | ctx->propq); | |
0f113f3e | 4286 | } |
58964a49 | 4287 | |
d84a7b20 MC |
4288 | int SSL_CTX_set_default_verify_dir(SSL_CTX *ctx) |
4289 | { | |
4290 | X509_LOOKUP *lookup; | |
4291 | ||
4292 | lookup = X509_STORE_add_lookup(ctx->cert_store, X509_LOOKUP_hash_dir()); | |
4293 | if (lookup == NULL) | |
4294 | return 0; | |
6dcb100f RL |
4295 | |
4296 | /* We ignore errors, in case the directory doesn't exist */ | |
4297 | ERR_set_mark(); | |
4298 | ||
d84a7b20 MC |
4299 | X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT); |
4300 | ||
6dcb100f | 4301 | ERR_pop_to_mark(); |
d84a7b20 MC |
4302 | |
4303 | return 1; | |
4304 | } | |
4305 | ||
4306 | int SSL_CTX_set_default_verify_file(SSL_CTX *ctx) | |
4307 | { | |
4308 | X509_LOOKUP *lookup; | |
4309 | ||
4310 | lookup = X509_STORE_add_lookup(ctx->cert_store, X509_LOOKUP_file()); | |
4311 | if (lookup == NULL) | |
4312 | return 0; | |
4313 | ||
6dcb100f RL |
4314 | /* We ignore errors, in case the directory doesn't exist */ |
4315 | ERR_set_mark(); | |
4316 | ||
d8652be0 MC |
4317 | X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT, ctx->libctx, |
4318 | ctx->propq); | |
d84a7b20 | 4319 | |
6dcb100f RL |
4320 | ERR_pop_to_mark(); |
4321 | ||
4322 | return 1; | |
4323 | } | |
4324 | ||
4325 | int SSL_CTX_set_default_verify_store(SSL_CTX *ctx) | |
4326 | { | |
4327 | X509_LOOKUP *lookup; | |
4328 | ||
4329 | lookup = X509_STORE_add_lookup(ctx->cert_store, X509_LOOKUP_store()); | |
4330 | if (lookup == NULL) | |
4331 | return 0; | |
4332 | ||
4333 | /* We ignore errors, in case the directory doesn't exist */ | |
4334 | ERR_set_mark(); | |
4335 | ||
d8652be0 | 4336 | X509_LOOKUP_add_store_ex(lookup, NULL, ctx->libctx, ctx->propq); |
6dcb100f RL |
4337 | |
4338 | ERR_pop_to_mark(); | |
d84a7b20 MC |
4339 | |
4340 | return 1; | |
4341 | } | |
4342 | ||
6dcb100f RL |
4343 | int SSL_CTX_load_verify_file(SSL_CTX *ctx, const char *CAfile) |
4344 | { | |
d8652be0 MC |
4345 | return X509_STORE_load_file_ex(ctx->cert_store, CAfile, ctx->libctx, |
4346 | ctx->propq); | |
6dcb100f RL |
4347 | } |
4348 | ||
4349 | int SSL_CTX_load_verify_dir(SSL_CTX *ctx, const char *CApath) | |
4350 | { | |
4351 | return X509_STORE_load_path(ctx->cert_store, CApath); | |
4352 | } | |
4353 | ||
4354 | int SSL_CTX_load_verify_store(SSL_CTX *ctx, const char *CAstore) | |
4355 | { | |
d8652be0 MC |
4356 | return X509_STORE_load_store_ex(ctx->cert_store, CAstore, ctx->libctx, |
4357 | ctx->propq); | |
6dcb100f RL |
4358 | } |
4359 | ||
303c0028 | 4360 | int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile, |
0f113f3e MC |
4361 | const char *CApath) |
4362 | { | |
6dcb100f RL |
4363 | if (CAfile == NULL && CApath == NULL) |
4364 | return 0; | |
4365 | if (CAfile != NULL && !SSL_CTX_load_verify_file(ctx, CAfile)) | |
4366 | return 0; | |
4367 | if (CApath != NULL && !SSL_CTX_load_verify_dir(ctx, CApath)) | |
4368 | return 0; | |
4369 | return 1; | |
0f113f3e | 4370 | } |
58964a49 | 4371 | |
45d87a1f | 4372 | void SSL_set_info_callback(SSL *ssl, |
0f113f3e MC |
4373 | void (*cb) (const SSL *ssl, int type, int val)) |
4374 | { | |
4375 | ssl->info_callback = cb; | |
4376 | } | |
4377 | ||
4378 | /* | |
4379 | * One compiler (Diab DCC) doesn't like argument names in returned function | |
4380 | * pointer. | |
4381 | */ | |
4382 | void (*SSL_get_info_callback(const SSL *ssl)) (const SSL * /* ssl */ , | |
4383 | int /* type */ , | |
4384 | int /* val */ ) { | |
4385 | return ssl->info_callback; | |
4386 | } | |
58964a49 | 4387 | |
0f113f3e MC |
4388 | void SSL_set_verify_result(SSL *ssl, long arg) |
4389 | { | |
4390 | ssl->verify_result = arg; | |
4391 | } | |
58964a49 | 4392 | |
0821bcd4 | 4393 | long SSL_get_verify_result(const SSL *ssl) |
0f113f3e | 4394 | { |
26a7d938 | 4395 | return ssl->verify_result; |
0f113f3e MC |
4396 | } |
4397 | ||
d9f1c639 | 4398 | size_t SSL_get_client_random(const SSL *ssl, unsigned char *out, size_t outlen) |
858618e7 | 4399 | { |
6b8f5d0d | 4400 | if (outlen == 0) |
555cbb32 TS |
4401 | return sizeof(ssl->s3.client_random); |
4402 | if (outlen > sizeof(ssl->s3.client_random)) | |
4403 | outlen = sizeof(ssl->s3.client_random); | |
4404 | memcpy(out, ssl->s3.client_random, outlen); | |
d9f1c639 | 4405 | return outlen; |
858618e7 NM |
4406 | } |
4407 | ||
d9f1c639 | 4408 | size_t SSL_get_server_random(const SSL *ssl, unsigned char *out, size_t outlen) |
858618e7 | 4409 | { |
6b8f5d0d | 4410 | if (outlen == 0) |
555cbb32 TS |
4411 | return sizeof(ssl->s3.server_random); |
4412 | if (outlen > sizeof(ssl->s3.server_random)) | |
4413 | outlen = sizeof(ssl->s3.server_random); | |
4414 | memcpy(out, ssl->s3.server_random, outlen); | |
d9f1c639 | 4415 | return outlen; |
858618e7 NM |
4416 | } |
4417 | ||
d9f1c639 | 4418 | size_t SSL_SESSION_get_master_key(const SSL_SESSION *session, |
a230b26e | 4419 | unsigned char *out, size_t outlen) |
858618e7 | 4420 | { |
d9f1c639 MC |
4421 | if (outlen == 0) |
4422 | return session->master_key_length; | |
8c1a5343 | 4423 | if (outlen > session->master_key_length) |
858618e7 NM |
4424 | outlen = session->master_key_length; |
4425 | memcpy(out, session->master_key, outlen); | |
d9f1c639 | 4426 | return outlen; |
858618e7 NM |
4427 | } |
4428 | ||
725b0f1e | 4429 | int SSL_SESSION_set1_master_key(SSL_SESSION *sess, const unsigned char *in, |
911d63f2 MC |
4430 | size_t len) |
4431 | { | |
4432 | if (len > sizeof(sess->master_key)) | |
4433 | return 0; | |
4434 | ||
4435 | memcpy(sess->master_key, in, len); | |
4436 | sess->master_key_length = len; | |
911d63f2 MC |
4437 | return 1; |
4438 | } | |
4439 | ||
4440 | ||
0f113f3e MC |
4441 | int SSL_set_ex_data(SSL *s, int idx, void *arg) |
4442 | { | |
26a7d938 | 4443 | return CRYPTO_set_ex_data(&s->ex_data, idx, arg); |
0f113f3e MC |
4444 | } |
4445 | ||
4446 | void *SSL_get_ex_data(const SSL *s, int idx) | |
4447 | { | |
26a7d938 | 4448 | return CRYPTO_get_ex_data(&s->ex_data, idx); |
0f113f3e MC |
4449 | } |
4450 | ||
0f113f3e MC |
4451 | int SSL_CTX_set_ex_data(SSL_CTX *s, int idx, void *arg) |
4452 | { | |
26a7d938 | 4453 | return CRYPTO_set_ex_data(&s->ex_data, idx, arg); |
0f113f3e MC |
4454 | } |
4455 | ||
4456 | void *SSL_CTX_get_ex_data(const SSL_CTX *s, int idx) | |
4457 | { | |
26a7d938 | 4458 | return CRYPTO_get_ex_data(&s->ex_data, idx); |
0f113f3e | 4459 | } |
58964a49 | 4460 | |
0821bcd4 | 4461 | X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx) |
0f113f3e | 4462 | { |
26a7d938 | 4463 | return ctx->cert_store; |
0f113f3e | 4464 | } |
413c4f45 | 4465 | |
0f113f3e MC |
4466 | void SSL_CTX_set_cert_store(SSL_CTX *ctx, X509_STORE *store) |
4467 | { | |
222561fe | 4468 | X509_STORE_free(ctx->cert_store); |
0f113f3e MC |
4469 | ctx->cert_store = store; |
4470 | } | |
413c4f45 | 4471 | |
b50052db TS |
4472 | void SSL_CTX_set1_cert_store(SSL_CTX *ctx, X509_STORE *store) |
4473 | { | |
4474 | if (store != NULL) | |
4475 | X509_STORE_up_ref(store); | |
4476 | SSL_CTX_set_cert_store(ctx, store); | |
4477 | } | |
4478 | ||
0821bcd4 | 4479 | int SSL_want(const SSL *s) |
0f113f3e | 4480 | { |
26a7d938 | 4481 | return s->rwstate; |
0f113f3e | 4482 | } |
413c4f45 | 4483 | |
0f113f3e | 4484 | /** |
4f43d0e7 BL |
4485 | * \brief Set the callback for generating temporary DH keys. |
4486 | * \param ctx the SSL context. | |
4487 | * \param dh the callback | |
4488 | */ | |
4489 | ||
1b2b4755 | 4490 | #if !defined(OPENSSL_NO_DH) && !defined(OPENSSL_NO_DEPRECATED_3_0) |
0f113f3e MC |
4491 | void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx, |
4492 | DH *(*dh) (SSL *ssl, int is_export, | |
4493 | int keylength)) | |
4494 | { | |
4495 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_TMP_DH_CB, (void (*)(void))dh); | |
4496 | } | |
f8c3c05d | 4497 | |
0f113f3e MC |
4498 | void SSL_set_tmp_dh_callback(SSL *ssl, DH *(*dh) (SSL *ssl, int is_export, |
4499 | int keylength)) | |
4500 | { | |
4501 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_TMP_DH_CB, (void (*)(void))dh); | |
4502 | } | |
79df9d62 | 4503 | #endif |
15d21c2d | 4504 | |
ddac1974 NL |
4505 | #ifndef OPENSSL_NO_PSK |
4506 | int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint) | |
0f113f3e MC |
4507 | { |
4508 | if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) { | |
6849b73c | 4509 | ERR_raise(ERR_LIB_SSL, SSL_R_DATA_LENGTH_TOO_LONG); |
0f113f3e MC |
4510 | return 0; |
4511 | } | |
df6da24b | 4512 | OPENSSL_free(ctx->cert->psk_identity_hint); |
0f113f3e | 4513 | if (identity_hint != NULL) { |
7644a9ae | 4514 | ctx->cert->psk_identity_hint = OPENSSL_strdup(identity_hint); |
df6da24b | 4515 | if (ctx->cert->psk_identity_hint == NULL) |
0f113f3e MC |
4516 | return 0; |
4517 | } else | |
df6da24b | 4518 | ctx->cert->psk_identity_hint = NULL; |
0f113f3e MC |
4519 | return 1; |
4520 | } | |
ddac1974 NL |
4521 | |
4522 | int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint) | |
0f113f3e MC |
4523 | { |
4524 | if (s == NULL) | |
4525 | return 0; | |
4526 | ||
0f113f3e | 4527 | if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) { |
6849b73c | 4528 | ERR_raise(ERR_LIB_SSL, SSL_R_DATA_LENGTH_TOO_LONG); |
0f113f3e MC |
4529 | return 0; |
4530 | } | |
df6da24b | 4531 | OPENSSL_free(s->cert->psk_identity_hint); |
0f113f3e | 4532 | if (identity_hint != NULL) { |
7644a9ae | 4533 | s->cert->psk_identity_hint = OPENSSL_strdup(identity_hint); |
df6da24b | 4534 | if (s->cert->psk_identity_hint == NULL) |
0f113f3e MC |
4535 | return 0; |
4536 | } else | |
df6da24b | 4537 | s->cert->psk_identity_hint = NULL; |
0f113f3e MC |
4538 | return 1; |
4539 | } | |
ddac1974 NL |
4540 | |
4541 | const char *SSL_get_psk_identity_hint(const SSL *s) | |
0f113f3e MC |
4542 | { |
4543 | if (s == NULL || s->session == NULL) | |
4544 | return NULL; | |
26a7d938 | 4545 | return s->session->psk_identity_hint; |
0f113f3e | 4546 | } |
ddac1974 NL |
4547 | |
4548 | const char *SSL_get_psk_identity(const SSL *s) | |
0f113f3e MC |
4549 | { |
4550 | if (s == NULL || s->session == NULL) | |
4551 | return NULL; | |
26a7d938 | 4552 | return s->session->psk_identity; |
0f113f3e | 4553 | } |
7806f3dd | 4554 | |
8cbfcc70 | 4555 | void SSL_set_psk_client_callback(SSL *s, SSL_psk_client_cb_func cb) |
0f113f3e MC |
4556 | { |
4557 | s->psk_client_callback = cb; | |
4558 | } | |
7806f3dd | 4559 | |
8cbfcc70 | 4560 | void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx, SSL_psk_client_cb_func cb) |
0f113f3e MC |
4561 | { |
4562 | ctx->psk_client_callback = cb; | |
4563 | } | |
7806f3dd | 4564 | |
8cbfcc70 | 4565 | void SSL_set_psk_server_callback(SSL *s, SSL_psk_server_cb_func cb) |
0f113f3e MC |
4566 | { |
4567 | s->psk_server_callback = cb; | |
4568 | } | |
7806f3dd | 4569 | |
8cbfcc70 | 4570 | void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx, SSL_psk_server_cb_func cb) |
0f113f3e MC |
4571 | { |
4572 | ctx->psk_server_callback = cb; | |
4573 | } | |
4574 | #endif | |
4575 | ||
f46184bd MC |
4576 | void SSL_set_psk_find_session_callback(SSL *s, SSL_psk_find_session_cb_func cb) |
4577 | { | |
4578 | s->psk_find_session_cb = cb; | |
4579 | } | |
4580 | ||
4581 | void SSL_CTX_set_psk_find_session_callback(SSL_CTX *ctx, | |
4582 | SSL_psk_find_session_cb_func cb) | |
4583 | { | |
4584 | ctx->psk_find_session_cb = cb; | |
4585 | } | |
4586 | ||
4587 | void SSL_set_psk_use_session_callback(SSL *s, SSL_psk_use_session_cb_func cb) | |
4588 | { | |
4589 | s->psk_use_session_cb = cb; | |
4590 | } | |
4591 | ||
4592 | void SSL_CTX_set_psk_use_session_callback(SSL_CTX *ctx, | |
4593 | SSL_psk_use_session_cb_func cb) | |
4594 | { | |
4595 | ctx->psk_use_session_cb = cb; | |
4596 | } | |
4597 | ||
0f113f3e MC |
4598 | void SSL_CTX_set_msg_callback(SSL_CTX *ctx, |
4599 | void (*cb) (int write_p, int version, | |
4600 | int content_type, const void *buf, | |
4601 | size_t len, SSL *ssl, void *arg)) | |
4602 | { | |
4603 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb); | |
4604 | } | |
4605 | ||
4606 | void SSL_set_msg_callback(SSL *ssl, | |
4607 | void (*cb) (int write_p, int version, | |
4608 | int content_type, const void *buf, | |
4609 | size_t len, SSL *ssl, void *arg)) | |
4610 | { | |
4611 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb); | |
4612 | } | |
a661b653 | 4613 | |
7c2d4fee | 4614 | void SSL_CTX_set_not_resumable_session_callback(SSL_CTX *ctx, |
0f113f3e MC |
4615 | int (*cb) (SSL *ssl, |
4616 | int | |
4617 | is_forward_secure)) | |
4618 | { | |
4619 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB, | |
4620 | (void (*)(void))cb); | |
4621 | } | |
4622 | ||
7c2d4fee | 4623 | void SSL_set_not_resumable_session_callback(SSL *ssl, |
0f113f3e MC |
4624 | int (*cb) (SSL *ssl, |
4625 | int is_forward_secure)) | |
4626 | { | |
4627 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB, | |
4628 | (void (*)(void))cb); | |
4629 | } | |
4630 | ||
c649d10d TS |
4631 | void SSL_CTX_set_record_padding_callback(SSL_CTX *ctx, |
4632 | size_t (*cb) (SSL *ssl, int type, | |
4633 | size_t len, void *arg)) | |
4634 | { | |
4635 | ctx->record_padding_cb = cb; | |
4636 | } | |
4637 | ||
4638 | void SSL_CTX_set_record_padding_callback_arg(SSL_CTX *ctx, void *arg) | |
4639 | { | |
4640 | ctx->record_padding_arg = arg; | |
4641 | } | |
4642 | ||
3499327b | 4643 | void *SSL_CTX_get_record_padding_callback_arg(const SSL_CTX *ctx) |
c649d10d TS |
4644 | { |
4645 | return ctx->record_padding_arg; | |
4646 | } | |
4647 | ||
4648 | int SSL_CTX_set_block_padding(SSL_CTX *ctx, size_t block_size) | |
4649 | { | |
4650 | /* block size of 0 or 1 is basically no padding */ | |
4651 | if (block_size == 1) | |
4652 | ctx->block_padding = 0; | |
4653 | else if (block_size <= SSL3_RT_MAX_PLAIN_LENGTH) | |
4654 | ctx->block_padding = block_size; | |
4655 | else | |
4656 | return 0; | |
4657 | return 1; | |
4658 | } | |
4659 | ||
a6d36303 | 4660 | int SSL_set_record_padding_callback(SSL *ssl, |
c649d10d TS |
4661 | size_t (*cb) (SSL *ssl, int type, |
4662 | size_t len, void *arg)) | |
4663 | { | |
a6d36303 VF |
4664 | BIO *b; |
4665 | ||
4666 | b = SSL_get_wbio(ssl); | |
4667 | if (b == NULL || !BIO_get_ktls_send(b)) { | |
4668 | ssl->record_padding_cb = cb; | |
4669 | return 1; | |
4670 | } | |
4671 | return 0; | |
c649d10d TS |
4672 | } |
4673 | ||
4674 | void SSL_set_record_padding_callback_arg(SSL *ssl, void *arg) | |
4675 | { | |
4676 | ssl->record_padding_arg = arg; | |
4677 | } | |
4678 | ||
3499327b | 4679 | void *SSL_get_record_padding_callback_arg(const SSL *ssl) |
c649d10d TS |
4680 | { |
4681 | return ssl->record_padding_arg; | |
4682 | } | |
4683 | ||
4684 | int SSL_set_block_padding(SSL *ssl, size_t block_size) | |
4685 | { | |
4686 | /* block size of 0 or 1 is basically no padding */ | |
4687 | if (block_size == 1) | |
4688 | ssl->block_padding = 0; | |
4689 | else if (block_size <= SSL3_RT_MAX_PLAIN_LENGTH) | |
4690 | ssl->block_padding = block_size; | |
4691 | else | |
4692 | return 0; | |
4693 | return 1; | |
4694 | } | |
4695 | ||
9d0a8bb7 MC |
4696 | int SSL_set_num_tickets(SSL *s, size_t num_tickets) |
4697 | { | |
4698 | s->num_tickets = num_tickets; | |
4699 | ||
4700 | return 1; | |
4701 | } | |
4702 | ||
3499327b | 4703 | size_t SSL_get_num_tickets(const SSL *s) |
9d0a8bb7 MC |
4704 | { |
4705 | return s->num_tickets; | |
4706 | } | |
4707 | ||
4708 | int SSL_CTX_set_num_tickets(SSL_CTX *ctx, size_t num_tickets) | |
4709 | { | |
4710 | ctx->num_tickets = num_tickets; | |
4711 | ||
4712 | return 1; | |
4713 | } | |
4714 | ||
3499327b | 4715 | size_t SSL_CTX_get_num_tickets(const SSL_CTX *ctx) |
9d0a8bb7 MC |
4716 | { |
4717 | return ctx->num_tickets; | |
4718 | } | |
4719 | ||
0f113f3e MC |
4720 | /* |
4721 | * Allocates new EVP_MD_CTX and sets pointer to it into given pointer | |
8483a003 | 4722 | * variable, freeing EVP_MD_CTX previously stored in that variable, if any. |
69687aa8 | 4723 | * If EVP_MD pointer is passed, initializes ctx with this |md|. |
48722ff5 | 4724 | * Returns the newly allocated ctx; |
8671b898 | 4725 | */ |
b948e2c5 | 4726 | |
0f113f3e | 4727 | EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md) |
b948e2c5 | 4728 | { |
0f113f3e | 4729 | ssl_clear_hash_ctx(hash); |
bfb0641f | 4730 | *hash = EVP_MD_CTX_new(); |
5f3d93e4 | 4731 | if (*hash == NULL || (md && EVP_DigestInit_ex(*hash, md, NULL) <= 0)) { |
bfb0641f | 4732 | EVP_MD_CTX_free(*hash); |
5f3d93e4 MC |
4733 | *hash = NULL; |
4734 | return NULL; | |
4735 | } | |
0f113f3e | 4736 | return *hash; |
b948e2c5 | 4737 | } |
0f113f3e MC |
4738 | |
4739 | void ssl_clear_hash_ctx(EVP_MD_CTX **hash) | |
b948e2c5 DSH |
4740 | { |
4741 | ||
0d9824c1 | 4742 | EVP_MD_CTX_free(*hash); |
0f113f3e | 4743 | *hash = NULL; |
b948e2c5 | 4744 | } |
a661b653 | 4745 | |
48fbcbac | 4746 | /* Retrieve handshake hashes */ |
8c1a5343 MC |
4747 | int ssl_handshake_hash(SSL *s, unsigned char *out, size_t outlen, |
4748 | size_t *hashlen) | |
48fbcbac | 4749 | { |
6e59a892 | 4750 | EVP_MD_CTX *ctx = NULL; |
555cbb32 | 4751 | EVP_MD_CTX *hdgst = s->s3.handshake_dgst; |
8c1a5343 MC |
4752 | int hashleni = EVP_MD_CTX_size(hdgst); |
4753 | int ret = 0; | |
4754 | ||
f63a17d6 | 4755 | if (hashleni < 0 || (size_t)hashleni > outlen) { |
c48ffbcc | 4756 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); |
28ba2541 | 4757 | goto err; |
f63a17d6 | 4758 | } |
8c1a5343 | 4759 | |
bfb0641f | 4760 | ctx = EVP_MD_CTX_new(); |
8c1a5343 | 4761 | if (ctx == NULL) |
6e59a892 | 4762 | goto err; |
8c1a5343 | 4763 | |
6e59a892 | 4764 | if (!EVP_MD_CTX_copy_ex(ctx, hdgst) |
f63a17d6 | 4765 | || EVP_DigestFinal_ex(ctx, out, NULL) <= 0) { |
c48ffbcc | 4766 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); |
8c1a5343 | 4767 | goto err; |
f63a17d6 | 4768 | } |
8c1a5343 MC |
4769 | |
4770 | *hashlen = hashleni; | |
4771 | ||
4772 | ret = 1; | |
48fbcbac | 4773 | err: |
bfb0641f | 4774 | EVP_MD_CTX_free(ctx); |
48fbcbac DSH |
4775 | return ret; |
4776 | } | |
4777 | ||
c04b66b1 | 4778 | int SSL_session_reused(const SSL *s) |
0f113f3e MC |
4779 | { |
4780 | return s->hit; | |
4781 | } | |
08557cf2 | 4782 | |
69443116 | 4783 | int SSL_is_server(const SSL *s) |
0f113f3e MC |
4784 | { |
4785 | return s->server; | |
4786 | } | |
87adf1fa | 4787 | |
00db8c60 | 4788 | #ifndef OPENSSL_NO_DEPRECATED_1_1_0 |
47153c72 RS |
4789 | void SSL_set_debug(SSL *s, int debug) |
4790 | { | |
4791 | /* Old function was do-nothing anyway... */ | |
4792 | (void)s; | |
4793 | (void)debug; | |
4794 | } | |
4795 | #endif | |
4796 | ||
b362ccab | 4797 | void SSL_set_security_level(SSL *s, int level) |
0f113f3e MC |
4798 | { |
4799 | s->cert->sec_level = level; | |
4800 | } | |
b362ccab DSH |
4801 | |
4802 | int SSL_get_security_level(const SSL *s) | |
0f113f3e MC |
4803 | { |
4804 | return s->cert->sec_level; | |
4805 | } | |
b362ccab | 4806 | |
0f113f3e | 4807 | void SSL_set_security_callback(SSL *s, |
a230b26e EK |
4808 | int (*cb) (const SSL *s, const SSL_CTX *ctx, |
4809 | int op, int bits, int nid, | |
4810 | void *other, void *ex)) | |
0f113f3e MC |
4811 | { |
4812 | s->cert->sec_cb = cb; | |
4813 | } | |
b362ccab | 4814 | |
a230b26e EK |
4815 | int (*SSL_get_security_callback(const SSL *s)) (const SSL *s, |
4816 | const SSL_CTX *ctx, int op, | |
4817 | int bits, int nid, void *other, | |
4818 | void *ex) { | |
0f113f3e MC |
4819 | return s->cert->sec_cb; |
4820 | } | |
b362ccab DSH |
4821 | |
4822 | void SSL_set0_security_ex_data(SSL *s, void *ex) | |
0f113f3e MC |
4823 | { |
4824 | s->cert->sec_ex = ex; | |
4825 | } | |
b362ccab DSH |
4826 | |
4827 | void *SSL_get0_security_ex_data(const SSL *s) | |
0f113f3e MC |
4828 | { |
4829 | return s->cert->sec_ex; | |
4830 | } | |
b362ccab DSH |
4831 | |
4832 | void SSL_CTX_set_security_level(SSL_CTX *ctx, int level) | |
0f113f3e MC |
4833 | { |
4834 | ctx->cert->sec_level = level; | |
4835 | } | |
b362ccab DSH |
4836 | |
4837 | int SSL_CTX_get_security_level(const SSL_CTX *ctx) | |
0f113f3e MC |
4838 | { |
4839 | return ctx->cert->sec_level; | |
4840 | } | |
b362ccab | 4841 | |
0f113f3e | 4842 | void SSL_CTX_set_security_callback(SSL_CTX *ctx, |
a230b26e EK |
4843 | int (*cb) (const SSL *s, const SSL_CTX *ctx, |
4844 | int op, int bits, int nid, | |
4845 | void *other, void *ex)) | |
0f113f3e MC |
4846 | { |
4847 | ctx->cert->sec_cb = cb; | |
4848 | } | |
b362ccab | 4849 | |
e4646a89 KR |
4850 | int (*SSL_CTX_get_security_callback(const SSL_CTX *ctx)) (const SSL *s, |
4851 | const SSL_CTX *ctx, | |
0f113f3e MC |
4852 | int op, int bits, |
4853 | int nid, | |
4854 | void *other, | |
4855 | void *ex) { | |
4856 | return ctx->cert->sec_cb; | |
4857 | } | |
b362ccab DSH |
4858 | |
4859 | void SSL_CTX_set0_security_ex_data(SSL_CTX *ctx, void *ex) | |
0f113f3e MC |
4860 | { |
4861 | ctx->cert->sec_ex = ex; | |
4862 | } | |
b362ccab DSH |
4863 | |
4864 | void *SSL_CTX_get0_security_ex_data(const SSL_CTX *ctx) | |
0f113f3e MC |
4865 | { |
4866 | return ctx->cert->sec_ex; | |
4867 | } | |
b362ccab | 4868 | |
8106cb8b VD |
4869 | /* |
4870 | * Get/Set/Clear options in SSL_CTX or SSL, formerly macros, now functions that | |
4871 | * can return unsigned long, instead of the generic long return value from the | |
4872 | * control interface. | |
4873 | */ | |
4874 | unsigned long SSL_CTX_get_options(const SSL_CTX *ctx) | |
4875 | { | |
4876 | return ctx->options; | |
4877 | } | |
a230b26e EK |
4878 | |
4879 | unsigned long SSL_get_options(const SSL *s) | |
8106cb8b VD |
4880 | { |
4881 | return s->options; | |
4882 | } | |
a230b26e | 4883 | |
8106cb8b VD |
4884 | unsigned long SSL_CTX_set_options(SSL_CTX *ctx, unsigned long op) |
4885 | { | |
4886 | return ctx->options |= op; | |
4887 | } | |
a230b26e | 4888 | |
8106cb8b VD |
4889 | unsigned long SSL_set_options(SSL *s, unsigned long op) |
4890 | { | |
4891 | return s->options |= op; | |
4892 | } | |
a230b26e | 4893 | |
8106cb8b VD |
4894 | unsigned long SSL_CTX_clear_options(SSL_CTX *ctx, unsigned long op) |
4895 | { | |
4896 | return ctx->options &= ~op; | |
4897 | } | |
a230b26e | 4898 | |
8106cb8b VD |
4899 | unsigned long SSL_clear_options(SSL *s, unsigned long op) |
4900 | { | |
4901 | return s->options &= ~op; | |
4902 | } | |
4903 | ||
696178ed DSH |
4904 | STACK_OF(X509) *SSL_get0_verified_chain(const SSL *s) |
4905 | { | |
4906 | return s->verified_chain; | |
4907 | } | |
4908 | ||
0f113f3e | 4909 | IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); |
ed29e82a RP |
4910 | |
4911 | #ifndef OPENSSL_NO_CT | |
4912 | ||
4913 | /* | |
4914 | * Moves SCTs from the |src| stack to the |dst| stack. | |
4915 | * The source of each SCT will be set to |origin|. | |
4916 | * If |dst| points to a NULL pointer, a new stack will be created and owned by | |
4917 | * the caller. | |
4918 | * Returns the number of SCTs moved, or a negative integer if an error occurs. | |
4919 | */ | |
a230b26e EK |
4920 | static int ct_move_scts(STACK_OF(SCT) **dst, STACK_OF(SCT) *src, |
4921 | sct_source_t origin) | |
ed29e82a RP |
4922 | { |
4923 | int scts_moved = 0; | |
4924 | SCT *sct = NULL; | |
4925 | ||
4926 | if (*dst == NULL) { | |
4927 | *dst = sk_SCT_new_null(); | |
4928 | if (*dst == NULL) { | |
6849b73c | 4929 | ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE); |
ed29e82a RP |
4930 | goto err; |
4931 | } | |
4932 | } | |
4933 | ||
4934 | while ((sct = sk_SCT_pop(src)) != NULL) { | |
4935 | if (SCT_set_source(sct, origin) != 1) | |
4936 | goto err; | |
4937 | ||
4938 | if (sk_SCT_push(*dst, sct) <= 0) | |
4939 | goto err; | |
4940 | scts_moved += 1; | |
4941 | } | |
4942 | ||
4943 | return scts_moved; | |
a230b26e | 4944 | err: |
ed29e82a | 4945 | if (sct != NULL) |
a230b26e | 4946 | sk_SCT_push(src, sct); /* Put the SCT back */ |
cc7113e8 | 4947 | return -1; |
ed29e82a RP |
4948 | } |
4949 | ||
4950 | /* | |
a230b26e | 4951 | * Look for data collected during ServerHello and parse if found. |
6b13bd1d | 4952 | * Returns the number of SCTs extracted. |
a230b26e | 4953 | */ |
ed29e82a RP |
4954 | static int ct_extract_tls_extension_scts(SSL *s) |
4955 | { | |
4956 | int scts_extracted = 0; | |
4957 | ||
aff8c126 RS |
4958 | if (s->ext.scts != NULL) { |
4959 | const unsigned char *p = s->ext.scts; | |
4960 | STACK_OF(SCT) *scts = o2i_SCT_LIST(NULL, &p, s->ext.scts_len); | |
ed29e82a RP |
4961 | |
4962 | scts_extracted = ct_move_scts(&s->scts, scts, SCT_SOURCE_TLS_EXTENSION); | |
4963 | ||
4964 | SCT_LIST_free(scts); | |
4965 | } | |
4966 | ||
4967 | return scts_extracted; | |
4968 | } | |
4969 | ||
4970 | /* | |
4971 | * Checks for an OCSP response and then attempts to extract any SCTs found if it | |
4972 | * contains an SCT X509 extension. They will be stored in |s->scts|. | |
4973 | * Returns: | |
4974 | * - The number of SCTs extracted, assuming an OCSP response exists. | |
4975 | * - 0 if no OCSP response exists or it contains no SCTs. | |
4976 | * - A negative integer if an error occurs. | |
4977 | */ | |
4978 | static int ct_extract_ocsp_response_scts(SSL *s) | |
4979 | { | |
a230b26e | 4980 | # ifndef OPENSSL_NO_OCSP |
ed29e82a RP |
4981 | int scts_extracted = 0; |
4982 | const unsigned char *p; | |
4983 | OCSP_BASICRESP *br = NULL; | |
4984 | OCSP_RESPONSE *rsp = NULL; | |
4985 | STACK_OF(SCT) *scts = NULL; | |
4986 | int i; | |
4987 | ||
aff8c126 | 4988 | if (s->ext.ocsp.resp == NULL || s->ext.ocsp.resp_len == 0) |
ed29e82a RP |
4989 | goto err; |
4990 | ||
aff8c126 RS |
4991 | p = s->ext.ocsp.resp; |
4992 | rsp = d2i_OCSP_RESPONSE(NULL, &p, (int)s->ext.ocsp.resp_len); | |
ed29e82a RP |
4993 | if (rsp == NULL) |
4994 | goto err; | |
4995 | ||
4996 | br = OCSP_response_get1_basic(rsp); | |
4997 | if (br == NULL) | |
4998 | goto err; | |
4999 | ||
5000 | for (i = 0; i < OCSP_resp_count(br); ++i) { | |
5001 | OCSP_SINGLERESP *single = OCSP_resp_get0(br, i); | |
5002 | ||
5003 | if (single == NULL) | |
5004 | continue; | |
5005 | ||
a230b26e EK |
5006 | scts = |
5007 | OCSP_SINGLERESP_get1_ext_d2i(single, NID_ct_cert_scts, NULL, NULL); | |
5008 | scts_extracted = | |
5009 | ct_move_scts(&s->scts, scts, SCT_SOURCE_OCSP_STAPLED_RESPONSE); | |
ed29e82a RP |
5010 | if (scts_extracted < 0) |
5011 | goto err; | |
5012 | } | |
a230b26e | 5013 | err: |
ed29e82a RP |
5014 | SCT_LIST_free(scts); |
5015 | OCSP_BASICRESP_free(br); | |
5016 | OCSP_RESPONSE_free(rsp); | |
5017 | return scts_extracted; | |
a230b26e | 5018 | # else |
3e41ac35 MC |
5019 | /* Behave as if no OCSP response exists */ |
5020 | return 0; | |
a230b26e | 5021 | # endif |
ed29e82a RP |
5022 | } |
5023 | ||
5024 | /* | |
5025 | * Attempts to extract SCTs from the peer certificate. | |
5026 | * Return the number of SCTs extracted, or a negative integer if an error | |
5027 | * occurs. | |
5028 | */ | |
5029 | static int ct_extract_x509v3_extension_scts(SSL *s) | |
5030 | { | |
5031 | int scts_extracted = 0; | |
3f3c7d26 | 5032 | X509 *cert = s->session != NULL ? s->session->peer : NULL; |
ed29e82a RP |
5033 | |
5034 | if (cert != NULL) { | |
5035 | STACK_OF(SCT) *scts = | |
5036 | X509_get_ext_d2i(cert, NID_ct_precert_scts, NULL, NULL); | |
5037 | ||
5038 | scts_extracted = | |
5039 | ct_move_scts(&s->scts, scts, SCT_SOURCE_X509V3_EXTENSION); | |
5040 | ||
5041 | SCT_LIST_free(scts); | |
5042 | } | |
5043 | ||
5044 | return scts_extracted; | |
5045 | } | |
5046 | ||
5047 | /* | |
5048 | * Attempts to find all received SCTs by checking TLS extensions, the OCSP | |
5049 | * response (if it exists) and X509v3 extensions in the certificate. | |
5050 | * Returns NULL if an error occurs. | |
5051 | */ | |
5052 | const STACK_OF(SCT) *SSL_get0_peer_scts(SSL *s) | |
5053 | { | |
5054 | if (!s->scts_parsed) { | |
5055 | if (ct_extract_tls_extension_scts(s) < 0 || | |
5056 | ct_extract_ocsp_response_scts(s) < 0 || | |
5057 | ct_extract_x509v3_extension_scts(s) < 0) | |
5058 | goto err; | |
5059 | ||
5060 | s->scts_parsed = 1; | |
5061 | } | |
5062 | return s->scts; | |
a230b26e | 5063 | err: |
ed29e82a RP |
5064 | return NULL; |
5065 | } | |
5066 | ||
a230b26e | 5067 | static int ct_permissive(const CT_POLICY_EVAL_CTX * ctx, |
43341433 | 5068 | const STACK_OF(SCT) *scts, void *unused_arg) |
ed29e82a | 5069 | { |
43341433 VD |
5070 | return 1; |
5071 | } | |
5072 | ||
a230b26e | 5073 | static int ct_strict(const CT_POLICY_EVAL_CTX * ctx, |
43341433 VD |
5074 | const STACK_OF(SCT) *scts, void *unused_arg) |
5075 | { | |
5076 | int count = scts != NULL ? sk_SCT_num(scts) : 0; | |
5077 | int i; | |
ed29e82a | 5078 | |
43341433 VD |
5079 | for (i = 0; i < count; ++i) { |
5080 | SCT *sct = sk_SCT_value(scts, i); | |
5081 | int status = SCT_get_validation_status(sct); | |
5082 | ||
5083 | if (status == SCT_VALIDATION_STATUS_VALID) | |
5084 | return 1; | |
5085 | } | |
6849b73c | 5086 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_VALID_SCTS); |
43341433 VD |
5087 | return 0; |
5088 | } | |
5089 | ||
5090 | int SSL_set_ct_validation_callback(SSL *s, ssl_ct_validation_cb callback, | |
5091 | void *arg) | |
5092 | { | |
ed29e82a RP |
5093 | /* |
5094 | * Since code exists that uses the custom extension handler for CT, look | |
5095 | * for this and throw an error if they have already registered to use CT. | |
5096 | */ | |
5097 | if (callback != NULL && SSL_CTX_has_client_custom_ext(s->ctx, | |
a230b26e EK |
5098 | TLSEXT_TYPE_signed_certificate_timestamp)) |
5099 | { | |
6849b73c | 5100 | ERR_raise(ERR_LIB_SSL, SSL_R_CUSTOM_EXT_HANDLER_ALREADY_INSTALLED); |
43341433 | 5101 | return 0; |
ed29e82a RP |
5102 | } |
5103 | ||
ed29e82a | 5104 | if (callback != NULL) { |
a230b26e EK |
5105 | /* |
5106 | * If we are validating CT, then we MUST accept SCTs served via OCSP | |
5107 | */ | |
ed29e82a | 5108 | if (!SSL_set_tlsext_status_type(s, TLSEXT_STATUSTYPE_ocsp)) |
43341433 | 5109 | return 0; |
ed29e82a RP |
5110 | } |
5111 | ||
43341433 VD |
5112 | s->ct_validation_callback = callback; |
5113 | s->ct_validation_callback_arg = arg; | |
5114 | ||
5115 | return 1; | |
ed29e82a RP |
5116 | } |
5117 | ||
43341433 | 5118 | int SSL_CTX_set_ct_validation_callback(SSL_CTX *ctx, |
a230b26e | 5119 | ssl_ct_validation_cb callback, void *arg) |
ed29e82a | 5120 | { |
ed29e82a RP |
5121 | /* |
5122 | * Since code exists that uses the custom extension handler for CT, look for | |
5123 | * this and throw an error if they have already registered to use CT. | |
5124 | */ | |
5125 | if (callback != NULL && SSL_CTX_has_client_custom_ext(ctx, | |
a230b26e EK |
5126 | TLSEXT_TYPE_signed_certificate_timestamp)) |
5127 | { | |
6849b73c | 5128 | ERR_raise(ERR_LIB_SSL, SSL_R_CUSTOM_EXT_HANDLER_ALREADY_INSTALLED); |
43341433 | 5129 | return 0; |
ed29e82a RP |
5130 | } |
5131 | ||
5132 | ctx->ct_validation_callback = callback; | |
5133 | ctx->ct_validation_callback_arg = arg; | |
43341433 | 5134 | return 1; |
ed29e82a RP |
5135 | } |
5136 | ||
43341433 | 5137 | int SSL_ct_is_enabled(const SSL *s) |
ed29e82a | 5138 | { |
43341433 | 5139 | return s->ct_validation_callback != NULL; |
ed29e82a RP |
5140 | } |
5141 | ||
43341433 | 5142 | int SSL_CTX_ct_is_enabled(const SSL_CTX *ctx) |
ed29e82a | 5143 | { |
43341433 | 5144 | return ctx->ct_validation_callback != NULL; |
ed29e82a RP |
5145 | } |
5146 | ||
4d482ee2 | 5147 | int ssl_validate_ct(SSL *s) |
ed29e82a RP |
5148 | { |
5149 | int ret = 0; | |
3f3c7d26 | 5150 | X509 *cert = s->session != NULL ? s->session->peer : NULL; |
43341433 | 5151 | X509 *issuer; |
b9aec69a | 5152 | SSL_DANE *dane = &s->dane; |
ed29e82a RP |
5153 | CT_POLICY_EVAL_CTX *ctx = NULL; |
5154 | const STACK_OF(SCT) *scts; | |
5155 | ||
43341433 VD |
5156 | /* |
5157 | * If no callback is set, the peer is anonymous, or its chain is invalid, | |
5158 | * skip SCT validation - just return success. Applications that continue | |
5159 | * handshakes without certificates, with unverified chains, or pinned leaf | |
5160 | * certificates are outside the scope of the WebPKI and CT. | |
5161 | * | |
5162 | * The above exclusions notwithstanding the vast majority of peers will | |
5163 | * have rather ordinary certificate chains validated by typical | |
5164 | * applications that perform certificate verification and therefore will | |
5165 | * process SCTs when enabled. | |
5166 | */ | |
5167 | if (s->ct_validation_callback == NULL || cert == NULL || | |
5168 | s->verify_result != X509_V_OK || | |
a230b26e | 5169 | s->verified_chain == NULL || sk_X509_num(s->verified_chain) <= 1) |
ed29e82a RP |
5170 | return 1; |
5171 | ||
43341433 VD |
5172 | /* |
5173 | * CT not applicable for chains validated via DANE-TA(2) or DANE-EE(3) | |
5174 | * trust-anchors. See https://tools.ietf.org/html/rfc7671#section-4.2 | |
5175 | */ | |
5176 | if (DANETLS_ENABLED(dane) && dane->mtlsa != NULL) { | |
5177 | switch (dane->mtlsa->usage) { | |
5178 | case DANETLS_USAGE_DANE_TA: | |
5179 | case DANETLS_USAGE_DANE_EE: | |
5180 | return 1; | |
5181 | } | |
ed29e82a RP |
5182 | } |
5183 | ||
d8652be0 | 5184 | ctx = CT_POLICY_EVAL_CTX_new_ex(s->ctx->libctx, s->ctx->propq); |
ed29e82a | 5185 | if (ctx == NULL) { |
c48ffbcc | 5186 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE); |
ed29e82a RP |
5187 | goto end; |
5188 | } | |
5189 | ||
43341433 | 5190 | issuer = sk_X509_value(s->verified_chain, 1); |
a1bb7708 RP |
5191 | CT_POLICY_EVAL_CTX_set1_cert(ctx, cert); |
5192 | CT_POLICY_EVAL_CTX_set1_issuer(ctx, issuer); | |
5193 | CT_POLICY_EVAL_CTX_set_shared_CTLOG_STORE(ctx, s->ctx->ctlog_store); | |
6a71e06d RP |
5194 | CT_POLICY_EVAL_CTX_set_time( |
5195 | ctx, (uint64_t)SSL_SESSION_get_time(SSL_get0_session(s)) * 1000); | |
ed29e82a RP |
5196 | |
5197 | scts = SSL_get0_peer_scts(s); | |
5198 | ||
43341433 VD |
5199 | /* |
5200 | * This function returns success (> 0) only when all the SCTs are valid, 0 | |
5201 | * when some are invalid, and < 0 on various internal errors (out of | |
5202 | * memory, etc.). Having some, or even all, invalid SCTs is not sufficient | |
5203 | * reason to abort the handshake, that decision is up to the callback. | |
5204 | * Therefore, we error out only in the unexpected case that the return | |
5205 | * value is negative. | |
5206 | * | |
5207 | * XXX: One might well argue that the return value of this function is an | |
f430ba31 | 5208 | * unfortunate design choice. Its job is only to determine the validation |
43341433 VD |
5209 | * status of each of the provided SCTs. So long as it correctly separates |
5210 | * the wheat from the chaff it should return success. Failure in this case | |
5211 | * ought to correspond to an inability to carry out its duties. | |
5212 | */ | |
5213 | if (SCT_LIST_validate(scts, ctx) < 0) { | |
c48ffbcc | 5214 | SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_SCT_VERIFICATION_FAILED); |
ed29e82a RP |
5215 | goto end; |
5216 | } | |
5217 | ||
5218 | ret = s->ct_validation_callback(ctx, scts, s->ct_validation_callback_arg); | |
5219 | if (ret < 0) | |
a230b26e | 5220 | ret = 0; /* This function returns 0 on failure */ |
f63a17d6 | 5221 | if (!ret) |
c48ffbcc | 5222 | SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_CALLBACK_FAILED); |
ed29e82a | 5223 | |
a230b26e | 5224 | end: |
ed29e82a | 5225 | CT_POLICY_EVAL_CTX_free(ctx); |
f75b34c8 VD |
5226 | /* |
5227 | * With SSL_VERIFY_NONE the session may be cached and re-used despite a | |
5228 | * failure return code here. Also the application may wish the complete | |
5229 | * the handshake, and then disconnect cleanly at a higher layer, after | |
5230 | * checking the verification status of the completed connection. | |
5231 | * | |
5232 | * We therefore force a certificate verification failure which will be | |
5233 | * visible via SSL_get_verify_result() and cached as part of any resumed | |
5234 | * session. | |
5235 | * | |
5236 | * Note: the permissive callback is for information gathering only, always | |
5237 | * returns success, and does not affect verification status. Only the | |
5238 | * strict callback or a custom application-specified callback can trigger | |
5239 | * connection failure or record a verification error. | |
5240 | */ | |
5241 | if (ret <= 0) | |
5242 | s->verify_result = X509_V_ERR_NO_VALID_SCTS; | |
ed29e82a RP |
5243 | return ret; |
5244 | } | |
5245 | ||
43341433 VD |
5246 | int SSL_CTX_enable_ct(SSL_CTX *ctx, int validation_mode) |
5247 | { | |
5248 | switch (validation_mode) { | |
5249 | default: | |
6849b73c | 5250 | ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_CT_VALIDATION_TYPE); |
43341433 VD |
5251 | return 0; |
5252 | case SSL_CT_VALIDATION_PERMISSIVE: | |
5253 | return SSL_CTX_set_ct_validation_callback(ctx, ct_permissive, NULL); | |
5254 | case SSL_CT_VALIDATION_STRICT: | |
5255 | return SSL_CTX_set_ct_validation_callback(ctx, ct_strict, NULL); | |
5256 | } | |
5257 | } | |
5258 | ||
5259 | int SSL_enable_ct(SSL *s, int validation_mode) | |
5260 | { | |
5261 | switch (validation_mode) { | |
5262 | default: | |
6849b73c | 5263 | ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_CT_VALIDATION_TYPE); |
43341433 VD |
5264 | return 0; |
5265 | case SSL_CT_VALIDATION_PERMISSIVE: | |
5266 | return SSL_set_ct_validation_callback(s, ct_permissive, NULL); | |
5267 | case SSL_CT_VALIDATION_STRICT: | |
5268 | return SSL_set_ct_validation_callback(s, ct_strict, NULL); | |
5269 | } | |
5270 | } | |
5271 | ||
ed29e82a RP |
5272 | int SSL_CTX_set_default_ctlog_list_file(SSL_CTX *ctx) |
5273 | { | |
328f36c5 | 5274 | return CTLOG_STORE_load_default_file(ctx->ctlog_store); |
ed29e82a RP |
5275 | } |
5276 | ||
5277 | int SSL_CTX_set_ctlog_list_file(SSL_CTX *ctx, const char *path) | |
5278 | { | |
5279 | return CTLOG_STORE_load_file(ctx->ctlog_store, path); | |
5280 | } | |
5281 | ||
a230b26e | 5282 | void SSL_CTX_set0_ctlog_store(SSL_CTX *ctx, CTLOG_STORE * logs) |
8359b57f RP |
5283 | { |
5284 | CTLOG_STORE_free(ctx->ctlog_store); | |
5285 | ctx->ctlog_store = logs; | |
5286 | } | |
5287 | ||
5288 | const CTLOG_STORE *SSL_CTX_get0_ctlog_store(const SSL_CTX *ctx) | |
5289 | { | |
5290 | return ctx->ctlog_store; | |
5291 | } | |
5292 | ||
6b1bb98f BK |
5293 | #endif /* OPENSSL_NO_CT */ |
5294 | ||
a9c0d8be DB |
5295 | void SSL_CTX_set_client_hello_cb(SSL_CTX *c, SSL_client_hello_cb_fn cb, |
5296 | void *arg) | |
6b1bb98f | 5297 | { |
a9c0d8be DB |
5298 | c->client_hello_cb = cb; |
5299 | c->client_hello_cb_arg = arg; | |
6b1bb98f BK |
5300 | } |
5301 | ||
a9c0d8be | 5302 | int SSL_client_hello_isv2(SSL *s) |
6b1bb98f BK |
5303 | { |
5304 | if (s->clienthello == NULL) | |
5305 | return 0; | |
5306 | return s->clienthello->isv2; | |
5307 | } | |
5308 | ||
a9c0d8be | 5309 | unsigned int SSL_client_hello_get0_legacy_version(SSL *s) |
6b1bb98f BK |
5310 | { |
5311 | if (s->clienthello == NULL) | |
5312 | return 0; | |
5313 | return s->clienthello->legacy_version; | |
5314 | } | |
5315 | ||
a9c0d8be | 5316 | size_t SSL_client_hello_get0_random(SSL *s, const unsigned char **out) |
6b1bb98f BK |
5317 | { |
5318 | if (s->clienthello == NULL) | |
5319 | return 0; | |
5320 | if (out != NULL) | |
5321 | *out = s->clienthello->random; | |
5322 | return SSL3_RANDOM_SIZE; | |
5323 | } | |
5324 | ||
a9c0d8be | 5325 | size_t SSL_client_hello_get0_session_id(SSL *s, const unsigned char **out) |
6b1bb98f BK |
5326 | { |
5327 | if (s->clienthello == NULL) | |
5328 | return 0; | |
5329 | if (out != NULL) | |
5330 | *out = s->clienthello->session_id; | |
5331 | return s->clienthello->session_id_len; | |
5332 | } | |
5333 | ||
a9c0d8be | 5334 | size_t SSL_client_hello_get0_ciphers(SSL *s, const unsigned char **out) |
6b1bb98f BK |
5335 | { |
5336 | if (s->clienthello == NULL) | |
5337 | return 0; | |
5338 | if (out != NULL) | |
5339 | *out = PACKET_data(&s->clienthello->ciphersuites); | |
5340 | return PACKET_remaining(&s->clienthello->ciphersuites); | |
5341 | } | |
5342 | ||
a9c0d8be | 5343 | size_t SSL_client_hello_get0_compression_methods(SSL *s, const unsigned char **out) |
6b1bb98f BK |
5344 | { |
5345 | if (s->clienthello == NULL) | |
5346 | return 0; | |
5347 | if (out != NULL) | |
5348 | *out = s->clienthello->compressions; | |
5349 | return s->clienthello->compressions_len; | |
5350 | } | |
5351 | ||
a9c0d8be | 5352 | int SSL_client_hello_get1_extensions_present(SSL *s, int **out, size_t *outlen) |
193b5d76 BK |
5353 | { |
5354 | RAW_EXTENSION *ext; | |
5355 | int *present; | |
5356 | size_t num = 0, i; | |
5357 | ||
5358 | if (s->clienthello == NULL || out == NULL || outlen == NULL) | |
5359 | return 0; | |
5360 | for (i = 0; i < s->clienthello->pre_proc_exts_len; i++) { | |
5361 | ext = s->clienthello->pre_proc_exts + i; | |
5362 | if (ext->present) | |
5363 | num++; | |
5364 | } | |
6fda11ae | 5365 | if (num == 0) { |
5366 | *out = NULL; | |
5367 | *outlen = 0; | |
5368 | return 1; | |
5369 | } | |
cdb10bae | 5370 | if ((present = OPENSSL_malloc(sizeof(*present) * num)) == NULL) { |
6849b73c | 5371 | ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE); |
193b5d76 | 5372 | return 0; |
cdb10bae | 5373 | } |
193b5d76 BK |
5374 | for (i = 0; i < s->clienthello->pre_proc_exts_len; i++) { |
5375 | ext = s->clienthello->pre_proc_exts + i; | |
5376 | if (ext->present) { | |
5377 | if (ext->received_order >= num) | |
5378 | goto err; | |
5379 | present[ext->received_order] = ext->type; | |
5380 | } | |
5381 | } | |
5382 | *out = present; | |
5383 | *outlen = num; | |
5384 | return 1; | |
5385 | err: | |
5386 | OPENSSL_free(present); | |
5387 | return 0; | |
5388 | } | |
5389 | ||
a9c0d8be | 5390 | int SSL_client_hello_get0_ext(SSL *s, unsigned int type, const unsigned char **out, |
6b1bb98f BK |
5391 | size_t *outlen) |
5392 | { | |
5393 | size_t i; | |
5394 | RAW_EXTENSION *r; | |
5395 | ||
5396 | if (s->clienthello == NULL) | |
5397 | return 0; | |
5398 | for (i = 0; i < s->clienthello->pre_proc_exts_len; ++i) { | |
5399 | r = s->clienthello->pre_proc_exts + i; | |
5400 | if (r->present && r->type == type) { | |
5401 | if (out != NULL) | |
5402 | *out = PACKET_data(&r->data); | |
5403 | if (outlen != NULL) | |
5404 | *outlen = PACKET_remaining(&r->data); | |
5405 | return 1; | |
5406 | } | |
5407 | } | |
5408 | return 0; | |
5409 | } | |
2faa1b48 | 5410 | |
a58eb06d TS |
5411 | int SSL_free_buffers(SSL *ssl) |
5412 | { | |
5413 | RECORD_LAYER *rl = &ssl->rlayer; | |
5414 | ||
5415 | if (RECORD_LAYER_read_pending(rl) || RECORD_LAYER_write_pending(rl)) | |
5416 | return 0; | |
5417 | ||
5418 | RECORD_LAYER_release(rl); | |
5419 | return 1; | |
5420 | } | |
5421 | ||
5422 | int SSL_alloc_buffers(SSL *ssl) | |
5423 | { | |
5424 | return ssl3_setup_buffers(ssl); | |
5425 | } | |
5426 | ||
2faa1b48 CB |
5427 | void SSL_CTX_set_keylog_callback(SSL_CTX *ctx, SSL_CTX_keylog_cb_func cb) |
5428 | { | |
5429 | ctx->keylog_callback = cb; | |
5430 | } | |
5431 | ||
5432 | SSL_CTX_keylog_cb_func SSL_CTX_get_keylog_callback(const SSL_CTX *ctx) | |
5433 | { | |
5434 | return ctx->keylog_callback; | |
5435 | } | |
5436 | ||
5437 | static int nss_keylog_int(const char *prefix, | |
5438 | SSL *ssl, | |
5439 | const uint8_t *parameter_1, | |
5440 | size_t parameter_1_len, | |
5441 | const uint8_t *parameter_2, | |
5442 | size_t parameter_2_len) | |
5443 | { | |
5444 | char *out = NULL; | |
5445 | char *cursor = NULL; | |
5446 | size_t out_len = 0; | |
5447 | size_t i; | |
5448 | size_t prefix_len; | |
5449 | ||
20870286 P |
5450 | if (ssl->ctx->keylog_callback == NULL) |
5451 | return 1; | |
2faa1b48 CB |
5452 | |
5453 | /* | |
5454 | * Our output buffer will contain the following strings, rendered with | |
5455 | * space characters in between, terminated by a NULL character: first the | |
5456 | * prefix, then the first parameter, then the second parameter. The | |
5457 | * meaning of each parameter depends on the specific key material being | |
5458 | * logged. Note that the first and second parameters are encoded in | |
5459 | * hexadecimal, so we need a buffer that is twice their lengths. | |
5460 | */ | |
5461 | prefix_len = strlen(prefix); | |
e931f370 | 5462 | out_len = prefix_len + (2 * parameter_1_len) + (2 * parameter_2_len) + 3; |
2faa1b48 | 5463 | if ((out = cursor = OPENSSL_malloc(out_len)) == NULL) { |
c48ffbcc | 5464 | SSLfatal(ssl, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE); |
2faa1b48 CB |
5465 | return 0; |
5466 | } | |
5467 | ||
5468 | strcpy(cursor, prefix); | |
5469 | cursor += prefix_len; | |
5470 | *cursor++ = ' '; | |
5471 | ||
5472 | for (i = 0; i < parameter_1_len; i++) { | |
5473 | sprintf(cursor, "%02x", parameter_1[i]); | |
5474 | cursor += 2; | |
5475 | } | |
5476 | *cursor++ = ' '; | |
5477 | ||
5478 | for (i = 0; i < parameter_2_len; i++) { | |
5479 | sprintf(cursor, "%02x", parameter_2[i]); | |
5480 | cursor += 2; | |
5481 | } | |
5482 | *cursor = '\0'; | |
5483 | ||
5484 | ssl->ctx->keylog_callback(ssl, (const char *)out); | |
e931f370 | 5485 | OPENSSL_clear_free(out, out_len); |
2faa1b48 CB |
5486 | return 1; |
5487 | ||
5488 | } | |
5489 | ||
5490 | int ssl_log_rsa_client_key_exchange(SSL *ssl, | |
5491 | const uint8_t *encrypted_premaster, | |
5492 | size_t encrypted_premaster_len, | |
5493 | const uint8_t *premaster, | |
5494 | size_t premaster_len) | |
5495 | { | |
5496 | if (encrypted_premaster_len < 8) { | |
c48ffbcc | 5497 | SSLfatal(ssl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); |
2faa1b48 CB |
5498 | return 0; |
5499 | } | |
5500 | ||
f0deb4d3 | 5501 | /* We only want the first 8 bytes of the encrypted premaster as a tag. */ |
2faa1b48 CB |
5502 | return nss_keylog_int("RSA", |
5503 | ssl, | |
5504 | encrypted_premaster, | |
f0deb4d3 | 5505 | 8, |
2faa1b48 CB |
5506 | premaster, |
5507 | premaster_len); | |
5508 | } | |
5509 | ||
2c7bd692 CB |
5510 | int ssl_log_secret(SSL *ssl, |
5511 | const char *label, | |
5512 | const uint8_t *secret, | |
5513 | size_t secret_len) | |
2faa1b48 | 5514 | { |
2c7bd692 | 5515 | return nss_keylog_int(label, |
2faa1b48 | 5516 | ssl, |
555cbb32 | 5517 | ssl->s3.client_random, |
2c7bd692 CB |
5518 | SSL3_RANDOM_SIZE, |
5519 | secret, | |
5520 | secret_len); | |
2faa1b48 CB |
5521 | } |
5522 | ||
ccb8e6e0 BK |
5523 | #define SSLV2_CIPHER_LEN 3 |
5524 | ||
f63a17d6 | 5525 | int ssl_cache_cipherlist(SSL *s, PACKET *cipher_suites, int sslv2format) |
ccb8e6e0 | 5526 | { |
ccb8e6e0 | 5527 | int n; |
ccb8e6e0 BK |
5528 | |
5529 | n = sslv2format ? SSLV2_CIPHER_LEN : TLS_CIPHER_LEN; | |
5530 | ||
5531 | if (PACKET_remaining(cipher_suites) == 0) { | |
c48ffbcc | 5532 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_NO_CIPHERS_SPECIFIED); |
90134d98 | 5533 | return 0; |
ccb8e6e0 BK |
5534 | } |
5535 | ||
5536 | if (PACKET_remaining(cipher_suites) % n != 0) { | |
c48ffbcc | 5537 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST); |
90134d98 | 5538 | return 0; |
ccb8e6e0 BK |
5539 | } |
5540 | ||
555cbb32 TS |
5541 | OPENSSL_free(s->s3.tmp.ciphers_raw); |
5542 | s->s3.tmp.ciphers_raw = NULL; | |
5543 | s->s3.tmp.ciphers_rawlen = 0; | |
ccb8e6e0 BK |
5544 | |
5545 | if (sslv2format) { | |
5546 | size_t numciphers = PACKET_remaining(cipher_suites) / n; | |
5547 | PACKET sslv2ciphers = *cipher_suites; | |
5548 | unsigned int leadbyte; | |
5549 | unsigned char *raw; | |
5550 | ||
5551 | /* | |
5552 | * We store the raw ciphers list in SSLv3+ format so we need to do some | |
5553 | * preprocessing to convert the list first. If there are any SSLv2 only | |
5554 | * ciphersuites with a non-zero leading byte then we are going to | |
5555 | * slightly over allocate because we won't store those. But that isn't a | |
5556 | * problem. | |
5557 | */ | |
5558 | raw = OPENSSL_malloc(numciphers * TLS_CIPHER_LEN); | |
555cbb32 | 5559 | s->s3.tmp.ciphers_raw = raw; |
ccb8e6e0 | 5560 | if (raw == NULL) { |
c48ffbcc | 5561 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE); |
f63a17d6 | 5562 | return 0; |
ccb8e6e0 | 5563 | } |
555cbb32 | 5564 | for (s->s3.tmp.ciphers_rawlen = 0; |
ccb8e6e0 BK |
5565 | PACKET_remaining(&sslv2ciphers) > 0; |
5566 | raw += TLS_CIPHER_LEN) { | |
5567 | if (!PACKET_get_1(&sslv2ciphers, &leadbyte) | |
5568 | || (leadbyte == 0 | |
5569 | && !PACKET_copy_bytes(&sslv2ciphers, raw, | |
5570 | TLS_CIPHER_LEN)) | |
5571 | || (leadbyte != 0 | |
5572 | && !PACKET_forward(&sslv2ciphers, TLS_CIPHER_LEN))) { | |
c48ffbcc | 5573 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_PACKET); |
555cbb32 TS |
5574 | OPENSSL_free(s->s3.tmp.ciphers_raw); |
5575 | s->s3.tmp.ciphers_raw = NULL; | |
5576 | s->s3.tmp.ciphers_rawlen = 0; | |
f63a17d6 | 5577 | return 0; |
ccb8e6e0 BK |
5578 | } |
5579 | if (leadbyte == 0) | |
555cbb32 | 5580 | s->s3.tmp.ciphers_rawlen += TLS_CIPHER_LEN; |
ccb8e6e0 | 5581 | } |
555cbb32 TS |
5582 | } else if (!PACKET_memdup(cipher_suites, &s->s3.tmp.ciphers_raw, |
5583 | &s->s3.tmp.ciphers_rawlen)) { | |
c48ffbcc | 5584 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); |
f63a17d6 | 5585 | return 0; |
ccb8e6e0 | 5586 | } |
90134d98 | 5587 | return 1; |
90134d98 BK |
5588 | } |
5589 | ||
5590 | int SSL_bytes_to_cipher_list(SSL *s, const unsigned char *bytes, size_t len, | |
5591 | int isv2format, STACK_OF(SSL_CIPHER) **sk, | |
5592 | STACK_OF(SSL_CIPHER) **scsvs) | |
5593 | { | |
90134d98 BK |
5594 | PACKET pkt; |
5595 | ||
5596 | if (!PACKET_buf_init(&pkt, bytes, len)) | |
5597 | return 0; | |
f63a17d6 | 5598 | return bytes_to_cipher_list(s, &pkt, sk, scsvs, isv2format, 0); |
90134d98 BK |
5599 | } |
5600 | ||
5601 | int bytes_to_cipher_list(SSL *s, PACKET *cipher_suites, | |
5602 | STACK_OF(SSL_CIPHER) **skp, | |
5603 | STACK_OF(SSL_CIPHER) **scsvs_out, | |
f63a17d6 | 5604 | int sslv2format, int fatal) |
90134d98 BK |
5605 | { |
5606 | const SSL_CIPHER *c; | |
5607 | STACK_OF(SSL_CIPHER) *sk = NULL; | |
5608 | STACK_OF(SSL_CIPHER) *scsvs = NULL; | |
5609 | int n; | |
5610 | /* 3 = SSLV2_CIPHER_LEN > TLS_CIPHER_LEN = 2. */ | |
5611 | unsigned char cipher[SSLV2_CIPHER_LEN]; | |
5612 | ||
5613 | n = sslv2format ? SSLV2_CIPHER_LEN : TLS_CIPHER_LEN; | |
5614 | ||
5615 | if (PACKET_remaining(cipher_suites) == 0) { | |
f63a17d6 | 5616 | if (fatal) |
c48ffbcc | 5617 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_NO_CIPHERS_SPECIFIED); |
f63a17d6 | 5618 | else |
6849b73c | 5619 | ERR_raise(ERR_LIB_SSL, SSL_R_NO_CIPHERS_SPECIFIED); |
90134d98 BK |
5620 | return 0; |
5621 | } | |
5622 | ||
5623 | if (PACKET_remaining(cipher_suites) % n != 0) { | |
f63a17d6 | 5624 | if (fatal) |
c48ffbcc | 5625 | SSLfatal(s, SSL_AD_DECODE_ERROR, |
f63a17d6 MC |
5626 | SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST); |
5627 | else | |
6849b73c | 5628 | ERR_raise(ERR_LIB_SSL, SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST); |
90134d98 BK |
5629 | return 0; |
5630 | } | |
5631 | ||
5632 | sk = sk_SSL_CIPHER_new_null(); | |
5633 | scsvs = sk_SSL_CIPHER_new_null(); | |
5634 | if (sk == NULL || scsvs == NULL) { | |
f63a17d6 | 5635 | if (fatal) |
c48ffbcc | 5636 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE); |
f63a17d6 | 5637 | else |
6849b73c | 5638 | ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE); |
90134d98 BK |
5639 | goto err; |
5640 | } | |
ccb8e6e0 BK |
5641 | |
5642 | while (PACKET_copy_bytes(cipher_suites, cipher, n)) { | |
5643 | /* | |
5644 | * SSLv3 ciphers wrapped in an SSLv2-compatible ClientHello have the | |
5645 | * first byte set to zero, while true SSLv2 ciphers have a non-zero | |
5646 | * first byte. We don't support any true SSLv2 ciphers, so skip them. | |
5647 | */ | |
5648 | if (sslv2format && cipher[0] != '\0') | |
5649 | continue; | |
5650 | ||
ccb8e6e0 BK |
5651 | /* For SSLv2-compat, ignore leading 0-byte. */ |
5652 | c = ssl_get_cipher_by_char(s, sslv2format ? &cipher[1] : cipher, 1); | |
5653 | if (c != NULL) { | |
90134d98 BK |
5654 | if ((c->valid && !sk_SSL_CIPHER_push(sk, c)) || |
5655 | (!c->valid && !sk_SSL_CIPHER_push(scsvs, c))) { | |
f63a17d6 | 5656 | if (fatal) |
c48ffbcc | 5657 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE); |
f63a17d6 | 5658 | else |
6849b73c | 5659 | ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE); |
ccb8e6e0 BK |
5660 | goto err; |
5661 | } | |
5662 | } | |
5663 | } | |
5664 | if (PACKET_remaining(cipher_suites) > 0) { | |
f63a17d6 | 5665 | if (fatal) |
c48ffbcc | 5666 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_LENGTH); |
f63a17d6 | 5667 | else |
6849b73c | 5668 | ERR_raise(ERR_LIB_SSL, SSL_R_BAD_LENGTH); |
ccb8e6e0 BK |
5669 | goto err; |
5670 | } | |
5671 | ||
90134d98 BK |
5672 | if (skp != NULL) |
5673 | *skp = sk; | |
5674 | else | |
5675 | sk_SSL_CIPHER_free(sk); | |
5676 | if (scsvs_out != NULL) | |
5677 | *scsvs_out = scsvs; | |
5678 | else | |
5679 | sk_SSL_CIPHER_free(scsvs); | |
5680 | return 1; | |
ccb8e6e0 BK |
5681 | err: |
5682 | sk_SSL_CIPHER_free(sk); | |
90134d98 BK |
5683 | sk_SSL_CIPHER_free(scsvs); |
5684 | return 0; | |
ccb8e6e0 | 5685 | } |
3fc8d856 MC |
5686 | |
5687 | int SSL_CTX_set_max_early_data(SSL_CTX *ctx, uint32_t max_early_data) | |
5688 | { | |
5689 | ctx->max_early_data = max_early_data; | |
5690 | ||
5691 | return 1; | |
5692 | } | |
5693 | ||
46dcb945 | 5694 | uint32_t SSL_CTX_get_max_early_data(const SSL_CTX *ctx) |
3fc8d856 MC |
5695 | { |
5696 | return ctx->max_early_data; | |
5697 | } | |
5698 | ||
5699 | int SSL_set_max_early_data(SSL *s, uint32_t max_early_data) | |
5700 | { | |
5701 | s->max_early_data = max_early_data; | |
5702 | ||
5703 | return 1; | |
5704 | } | |
5705 | ||
a8e75d56 | 5706 | uint32_t SSL_get_max_early_data(const SSL *s) |
3fc8d856 MC |
5707 | { |
5708 | return s->max_early_data; | |
5709 | } | |
ae3947de | 5710 | |
4e8548e8 MC |
5711 | int SSL_CTX_set_recv_max_early_data(SSL_CTX *ctx, uint32_t recv_max_early_data) |
5712 | { | |
5713 | ctx->recv_max_early_data = recv_max_early_data; | |
5714 | ||
5715 | return 1; | |
5716 | } | |
5717 | ||
5718 | uint32_t SSL_CTX_get_recv_max_early_data(const SSL_CTX *ctx) | |
5719 | { | |
5720 | return ctx->recv_max_early_data; | |
5721 | } | |
5722 | ||
5723 | int SSL_set_recv_max_early_data(SSL *s, uint32_t recv_max_early_data) | |
5724 | { | |
5725 | s->recv_max_early_data = recv_max_early_data; | |
5726 | ||
5727 | return 1; | |
5728 | } | |
5729 | ||
5730 | uint32_t SSL_get_recv_max_early_data(const SSL *s) | |
5731 | { | |
5732 | return s->recv_max_early_data; | |
5733 | } | |
5734 | ||
cf72c757 F |
5735 | __owur unsigned int ssl_get_max_send_fragment(const SSL *ssl) |
5736 | { | |
5737 | /* Return any active Max Fragment Len extension */ | |
5738 | if (ssl->session != NULL && USE_MAX_FRAGMENT_LENGTH_EXT(ssl->session)) | |
5739 | return GET_MAX_FRAGMENT_LENGTH(ssl->session); | |
5740 | ||
5741 | /* return current SSL connection setting */ | |
5742 | return ssl->max_send_fragment; | |
5743 | } | |
5744 | ||
5745 | __owur unsigned int ssl_get_split_send_fragment(const SSL *ssl) | |
5746 | { | |
5747 | /* Return a value regarding an active Max Fragment Len extension */ | |
5748 | if (ssl->session != NULL && USE_MAX_FRAGMENT_LENGTH_EXT(ssl->session) | |
5749 | && ssl->split_send_fragment > GET_MAX_FRAGMENT_LENGTH(ssl->session)) | |
5750 | return GET_MAX_FRAGMENT_LENGTH(ssl->session); | |
5751 | ||
5752 | /* else limit |split_send_fragment| to current |max_send_fragment| */ | |
5753 | if (ssl->split_send_fragment > ssl->max_send_fragment) | |
5754 | return ssl->max_send_fragment; | |
5755 | ||
5756 | /* return current SSL connection setting */ | |
5757 | return ssl->split_send_fragment; | |
5758 | } | |
042c5753 MC |
5759 | |
5760 | int SSL_stateless(SSL *s) | |
5761 | { | |
5762 | int ret; | |
5763 | ||
5764 | /* Ensure there is no state left over from a previous invocation */ | |
5765 | if (!SSL_clear(s)) | |
d6bb50a5 | 5766 | return 0; |
042c5753 MC |
5767 | |
5768 | ERR_clear_error(); | |
5769 | ||
555cbb32 | 5770 | s->s3.flags |= TLS1_FLAGS_STATELESS; |
042c5753 | 5771 | ret = SSL_accept(s); |
555cbb32 | 5772 | s->s3.flags &= ~TLS1_FLAGS_STATELESS; |
042c5753 | 5773 | |
d6bb50a5 | 5774 | if (ret > 0 && s->ext.cookieok) |
c36001c3 MC |
5775 | return 1; |
5776 | ||
e440f513 MC |
5777 | if (s->hello_retry_request == SSL_HRR_PENDING && !ossl_statem_in_error(s)) |
5778 | return 0; | |
5779 | ||
5780 | return -1; | |
042c5753 | 5781 | } |
9d75dce3 | 5782 | |
e97be718 MC |
5783 | void SSL_CTX_set_post_handshake_auth(SSL_CTX *ctx, int val) |
5784 | { | |
5785 | ctx->pha_enabled = val; | |
5786 | } | |
5787 | ||
32097b33 | 5788 | void SSL_set_post_handshake_auth(SSL *ssl, int val) |
9d75dce3 | 5789 | { |
32097b33 | 5790 | ssl->pha_enabled = val; |
9d75dce3 TS |
5791 | } |
5792 | ||
5793 | int SSL_verify_client_post_handshake(SSL *ssl) | |
5794 | { | |
5795 | if (!SSL_IS_TLS13(ssl)) { | |
6849b73c | 5796 | ERR_raise(ERR_LIB_SSL, SSL_R_WRONG_SSL_VERSION); |
9d75dce3 TS |
5797 | return 0; |
5798 | } | |
5799 | if (!ssl->server) { | |
6849b73c | 5800 | ERR_raise(ERR_LIB_SSL, SSL_R_NOT_SERVER); |
9d75dce3 TS |
5801 | return 0; |
5802 | } | |
5803 | ||
5804 | if (!SSL_is_init_finished(ssl)) { | |
6849b73c | 5805 | ERR_raise(ERR_LIB_SSL, SSL_R_STILL_IN_INIT); |
9d75dce3 TS |
5806 | return 0; |
5807 | } | |
5808 | ||
5809 | switch (ssl->post_handshake_auth) { | |
5810 | case SSL_PHA_NONE: | |
6849b73c | 5811 | ERR_raise(ERR_LIB_SSL, SSL_R_EXTENSION_NOT_RECEIVED); |
9d75dce3 TS |
5812 | return 0; |
5813 | default: | |
5814 | case SSL_PHA_EXT_SENT: | |
6849b73c | 5815 | ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR); |
9d75dce3 TS |
5816 | return 0; |
5817 | case SSL_PHA_EXT_RECEIVED: | |
5818 | break; | |
5819 | case SSL_PHA_REQUEST_PENDING: | |
6849b73c | 5820 | ERR_raise(ERR_LIB_SSL, SSL_R_REQUEST_PENDING); |
9d75dce3 TS |
5821 | return 0; |
5822 | case SSL_PHA_REQUESTED: | |
6849b73c | 5823 | ERR_raise(ERR_LIB_SSL, SSL_R_REQUEST_SENT); |
9d75dce3 TS |
5824 | return 0; |
5825 | } | |
5826 | ||
5827 | ssl->post_handshake_auth = SSL_PHA_REQUEST_PENDING; | |
5828 | ||
5829 | /* checks verify_mode and algorithm_auth */ | |
5830 | if (!send_certificate_request(ssl)) { | |
5831 | ssl->post_handshake_auth = SSL_PHA_EXT_RECEIVED; /* restore on error */ | |
6849b73c | 5832 | ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_CONFIG); |
9d75dce3 TS |
5833 | return 0; |
5834 | } | |
5835 | ||
5836 | ossl_statem_set_in_init(ssl, 1); | |
5837 | return 1; | |
5838 | } | |
df0fed9a TS |
5839 | |
5840 | int SSL_CTX_set_session_ticket_cb(SSL_CTX *ctx, | |
5841 | SSL_CTX_generate_session_ticket_fn gen_cb, | |
5842 | SSL_CTX_decrypt_session_ticket_fn dec_cb, | |
5843 | void *arg) | |
5844 | { | |
5845 | ctx->generate_ticket_cb = gen_cb; | |
5846 | ctx->decrypt_ticket_cb = dec_cb; | |
5847 | ctx->ticket_cb_data = arg; | |
5848 | return 1; | |
5849 | } | |
c9598459 MC |
5850 | |
5851 | void SSL_CTX_set_allow_early_data_cb(SSL_CTX *ctx, | |
5852 | SSL_allow_early_data_cb_fn cb, | |
5853 | void *arg) | |
5854 | { | |
5855 | ctx->allow_early_data_cb = cb; | |
5856 | ctx->allow_early_data_cb_data = arg; | |
5857 | } | |
5858 | ||
5859 | void SSL_set_allow_early_data_cb(SSL *s, | |
5860 | SSL_allow_early_data_cb_fn cb, | |
5861 | void *arg) | |
5862 | { | |
5863 | s->allow_early_data_cb = cb; | |
5864 | s->allow_early_data_cb_data = arg; | |
5865 | } | |
c8f6c28a | 5866 | |
b4250010 | 5867 | const EVP_CIPHER *ssl_evp_cipher_fetch(OSSL_LIB_CTX *libctx, |
c8f6c28a MC |
5868 | int nid, |
5869 | const char *properties) | |
5870 | { | |
301fcb28 | 5871 | const EVP_CIPHER *ciph; |
5fcb97c6 | 5872 | |
301fcb28 MC |
5873 | ciph = tls_get_cipher_from_engine(nid); |
5874 | if (ciph != NULL) | |
5875 | return ciph; | |
0618b62c | 5876 | |
c8f6c28a | 5877 | /* |
301fcb28 MC |
5878 | * If there is no engine cipher then we do an explicit fetch. This may fail |
5879 | * and that could be ok | |
c8f6c28a | 5880 | */ |
5fcb97c6 MC |
5881 | ERR_set_mark(); |
5882 | ciph = EVP_CIPHER_fetch(libctx, OBJ_nid2sn(nid), properties); | |
5883 | ERR_pop_to_mark(); | |
5884 | return ciph; | |
c8f6c28a MC |
5885 | } |
5886 | ||
5887 | ||
5888 | int ssl_evp_cipher_up_ref(const EVP_CIPHER *cipher) | |
5889 | { | |
5890 | /* Don't up-ref an implicit EVP_CIPHER */ | |
5891 | if (EVP_CIPHER_provider(cipher) == NULL) | |
5892 | return 1; | |
5893 | ||
5894 | /* | |
5895 | * The cipher was explicitly fetched and therefore it is safe to cast | |
5896 | * away the const | |
5897 | */ | |
5898 | return EVP_CIPHER_up_ref((EVP_CIPHER *)cipher); | |
5899 | } | |
5900 | ||
5901 | void ssl_evp_cipher_free(const EVP_CIPHER *cipher) | |
5902 | { | |
5903 | if (cipher == NULL) | |
5904 | return; | |
5905 | ||
5906 | if (EVP_CIPHER_provider(cipher) != NULL) { | |
5907 | /* | |
5908 | * The cipher was explicitly fetched and therefore it is safe to cast | |
5909 | * away the const | |
5910 | */ | |
5911 | EVP_CIPHER_free((EVP_CIPHER *)cipher); | |
5912 | } | |
5913 | } | |
5914 | ||
b4250010 | 5915 | const EVP_MD *ssl_evp_md_fetch(OSSL_LIB_CTX *libctx, |
c8f6c28a MC |
5916 | int nid, |
5917 | const char *properties) | |
5918 | { | |
301fcb28 | 5919 | const EVP_MD *md; |
5fcb97c6 | 5920 | |
301fcb28 MC |
5921 | md = tls_get_digest_from_engine(nid); |
5922 | if (md != NULL) | |
5923 | return md; | |
c8f6c28a MC |
5924 | |
5925 | /* Otherwise we do an explicit fetch */ | |
5fcb97c6 MC |
5926 | ERR_set_mark(); |
5927 | md = EVP_MD_fetch(libctx, OBJ_nid2sn(nid), properties); | |
5928 | ERR_pop_to_mark(); | |
5929 | return md; | |
c8f6c28a MC |
5930 | } |
5931 | ||
5932 | int ssl_evp_md_up_ref(const EVP_MD *md) | |
5933 | { | |
5934 | /* Don't up-ref an implicit EVP_MD */ | |
5935 | if (EVP_MD_provider(md) == NULL) | |
5936 | return 1; | |
5937 | ||
5938 | /* | |
5939 | * The digest was explicitly fetched and therefore it is safe to cast | |
5940 | * away the const | |
5941 | */ | |
5942 | return EVP_MD_up_ref((EVP_MD *)md); | |
5943 | } | |
5944 | ||
5945 | void ssl_evp_md_free(const EVP_MD *md) | |
5946 | { | |
5947 | if (md == NULL) | |
5948 | return; | |
5949 | ||
5950 | if (EVP_MD_provider(md) != NULL) { | |
5951 | /* | |
5952 | * The digest was explicitly fetched and therefore it is safe to cast | |
5953 | * away the const | |
5954 | */ | |
5955 | EVP_MD_free((EVP_MD *)md); | |
5956 | } | |
5957 | } | |
163f6dc1 MC |
5958 | |
5959 | int SSL_set0_tmp_dh_pkey(SSL *s, EVP_PKEY *dhpkey) | |
5960 | { | |
5961 | if (!ssl_security(s, SSL_SECOP_TMP_DH, | |
5962 | EVP_PKEY_security_bits(dhpkey), 0, dhpkey)) { | |
5963 | SSLerr(0, SSL_R_DH_KEY_TOO_SMALL); | |
5964 | EVP_PKEY_free(dhpkey); | |
5965 | return 0; | |
5966 | } | |
5967 | EVP_PKEY_free(s->cert->dh_tmp); | |
5968 | s->cert->dh_tmp = dhpkey; | |
5969 | return 1; | |
5970 | } | |
5971 | ||
5972 | int SSL_CTX_set0_tmp_dh_pkey(SSL_CTX *ctx, EVP_PKEY *dhpkey) | |
5973 | { | |
5974 | if (!ssl_ctx_security(ctx, SSL_SECOP_TMP_DH, | |
5975 | EVP_PKEY_security_bits(dhpkey), 0, dhpkey)) { | |
5976 | SSLerr(0, SSL_R_DH_KEY_TOO_SMALL); | |
5977 | EVP_PKEY_free(dhpkey); | |
5978 | return 0; | |
5979 | } | |
5980 | EVP_PKEY_free(ctx->cert->dh_tmp); | |
5981 | ctx->cert->dh_tmp = dhpkey; | |
5982 | return 1; | |
5983 | } |