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0f113f3e MC |
1 | /* |
2 | * ! \file ssl/ssl_lib.c \brief Version independent SSL functions. | |
4f43d0e7 | 3 | */ |
58964a49 | 4 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
5 | * All rights reserved. |
6 | * | |
7 | * This package is an SSL implementation written | |
8 | * by Eric Young (eay@cryptsoft.com). | |
9 | * The implementation was written so as to conform with Netscapes SSL. | |
0f113f3e | 10 | * |
d02b48c6 RE |
11 | * This library is free for commercial and non-commercial use as long as |
12 | * the following conditions are aheared to. The following conditions | |
13 | * apply to all code found in this distribution, be it the RC4, RSA, | |
14 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
15 | * included with this distribution is covered by the same copyright terms | |
16 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
0f113f3e | 17 | * |
d02b48c6 RE |
18 | * Copyright remains Eric Young's, and as such any Copyright notices in |
19 | * the code are not to be removed. | |
20 | * If this package is used in a product, Eric Young should be given attribution | |
21 | * as the author of the parts of the library used. | |
22 | * This can be in the form of a textual message at program startup or | |
23 | * in documentation (online or textual) provided with the package. | |
0f113f3e | 24 | * |
d02b48c6 RE |
25 | * Redistribution and use in source and binary forms, with or without |
26 | * modification, are permitted provided that the following conditions | |
27 | * are met: | |
28 | * 1. Redistributions of source code must retain the copyright | |
29 | * notice, this list of conditions and the following disclaimer. | |
30 | * 2. Redistributions in binary form must reproduce the above copyright | |
31 | * notice, this list of conditions and the following disclaimer in the | |
32 | * documentation and/or other materials provided with the distribution. | |
33 | * 3. All advertising materials mentioning features or use of this software | |
34 | * must display the following acknowledgement: | |
35 | * "This product includes cryptographic software written by | |
36 | * Eric Young (eay@cryptsoft.com)" | |
37 | * The word 'cryptographic' can be left out if the rouines from the library | |
38 | * being used are not cryptographic related :-). | |
0f113f3e | 39 | * 4. If you include any Windows specific code (or a derivative thereof) from |
d02b48c6 RE |
40 | * the apps directory (application code) you must include an acknowledgement: |
41 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
0f113f3e | 42 | * |
d02b48c6 RE |
43 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
44 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
45 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
46 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
47 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
48 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
49 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
50 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
51 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
52 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
53 | * SUCH DAMAGE. | |
0f113f3e | 54 | * |
d02b48c6 RE |
55 | * The licence and distribution terms for any publically available version or |
56 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
57 | * copied and put under another distribution licence | |
58 | * [including the GNU Public Licence.] | |
59 | */ | |
bf21446a | 60 | /* ==================================================================== |
52b8dad8 | 61 | * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved. |
bf21446a BM |
62 | * |
63 | * Redistribution and use in source and binary forms, with or without | |
64 | * modification, are permitted provided that the following conditions | |
65 | * are met: | |
66 | * | |
67 | * 1. Redistributions of source code must retain the above copyright | |
0f113f3e | 68 | * notice, this list of conditions and the following disclaimer. |
bf21446a BM |
69 | * |
70 | * 2. Redistributions in binary form must reproduce the above copyright | |
71 | * notice, this list of conditions and the following disclaimer in | |
72 | * the documentation and/or other materials provided with the | |
73 | * distribution. | |
74 | * | |
75 | * 3. All advertising materials mentioning features or use of this | |
76 | * software must display the following acknowledgment: | |
77 | * "This product includes software developed by the OpenSSL Project | |
78 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
79 | * | |
80 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
81 | * endorse or promote products derived from this software without | |
82 | * prior written permission. For written permission, please contact | |
83 | * openssl-core@openssl.org. | |
84 | * | |
85 | * 5. Products derived from this software may not be called "OpenSSL" | |
86 | * nor may "OpenSSL" appear in their names without prior written | |
87 | * permission of the OpenSSL Project. | |
88 | * | |
89 | * 6. Redistributions of any form whatsoever must retain the following | |
90 | * acknowledgment: | |
91 | * "This product includes software developed by the OpenSSL Project | |
92 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
93 | * | |
94 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
95 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
96 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
97 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
98 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
99 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
100 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
101 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
102 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
103 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
104 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
105 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
106 | * ==================================================================== | |
107 | * | |
108 | * This product includes cryptographic software written by Eric Young | |
109 | * (eay@cryptsoft.com). This product includes software written by Tim | |
110 | * Hudson (tjh@cryptsoft.com). | |
111 | * | |
112 | */ | |
ea262260 BM |
113 | /* ==================================================================== |
114 | * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. | |
0f113f3e | 115 | * ECC cipher suite support in OpenSSL originally developed by |
ea262260 BM |
116 | * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. |
117 | */ | |
ddac1974 NL |
118 | /* ==================================================================== |
119 | * Copyright 2005 Nokia. All rights reserved. | |
120 | * | |
121 | * The portions of the attached software ("Contribution") is developed by | |
122 | * Nokia Corporation and is licensed pursuant to the OpenSSL open source | |
123 | * license. | |
124 | * | |
125 | * The Contribution, originally written by Mika Kousa and Pasi Eronen of | |
126 | * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites | |
127 | * support (see RFC 4279) to OpenSSL. | |
128 | * | |
129 | * No patent licenses or other rights except those expressly stated in | |
130 | * the OpenSSL open source license shall be deemed granted or received | |
131 | * expressly, by implication, estoppel, or otherwise. | |
132 | * | |
133 | * No assurances are provided by Nokia that the Contribution does not | |
134 | * infringe the patent or other intellectual property rights of any third | |
135 | * party or that the license provides you with all the necessary rights | |
136 | * to make use of the Contribution. | |
137 | * | |
138 | * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN | |
139 | * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA | |
140 | * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY | |
141 | * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR | |
142 | * OTHERWISE. | |
143 | */ | |
bbb8de09 | 144 | |
027e257b | 145 | #ifdef REF_CHECK |
0f113f3e | 146 | # include <assert.h> |
027e257b | 147 | #endif |
d02b48c6 | 148 | #include <stdio.h> |
7b63c0fa | 149 | #include "ssl_locl.h" |
ec577822 BM |
150 | #include <openssl/objects.h> |
151 | #include <openssl/lhash.h> | |
bb7cd4e3 | 152 | #include <openssl/x509v3.h> |
6434abbf | 153 | #include <openssl/rand.h> |
67c8e7f4 | 154 | #include <openssl/ocsp.h> |
3eeaab4b | 155 | #ifndef OPENSSL_NO_DH |
0f113f3e | 156 | # include <openssl/dh.h> |
3eeaab4b | 157 | #endif |
bdfe932d | 158 | #ifndef OPENSSL_NO_ENGINE |
0f113f3e MC |
159 | # include <openssl/engine.h> |
160 | #endif | |
07bbc92c | 161 | #include <openssl/async.h> |
0f113f3e | 162 | |
df2ee0e2 | 163 | const char SSL_version_str[] = OPENSSL_VERSION_TEXT; |
0f113f3e MC |
164 | |
165 | SSL3_ENC_METHOD ssl3_undef_enc_method = { | |
166 | /* | |
167 | * evil casts, but these functions are only called if there's a library | |
168 | * bug | |
169 | */ | |
170 | (int (*)(SSL *, int))ssl_undefined_function, | |
171 | (int (*)(SSL *, unsigned char *, int))ssl_undefined_function, | |
172 | ssl_undefined_function, | |
173 | (int (*)(SSL *, unsigned char *, unsigned char *, int)) | |
174 | ssl_undefined_function, | |
175 | (int (*)(SSL *, int))ssl_undefined_function, | |
176 | (int (*)(SSL *, const char *, int, unsigned char *)) | |
177 | ssl_undefined_function, | |
178 | 0, /* finish_mac_length */ | |
0f113f3e MC |
179 | NULL, /* client_finished_label */ |
180 | 0, /* client_finished_label_len */ | |
181 | NULL, /* server_finished_label */ | |
182 | 0, /* server_finished_label_len */ | |
183 | (int (*)(int))ssl_undefined_function, | |
184 | (int (*)(SSL *, unsigned char *, size_t, const char *, | |
185 | size_t, const unsigned char *, size_t, | |
186 | int use_context))ssl_undefined_function, | |
187 | }; | |
d02b48c6 | 188 | |
07bbc92c MC |
189 | struct ssl_async_args { |
190 | SSL *s; | |
191 | void *buf; | |
192 | int num; | |
add2f5ca MC |
193 | int type; |
194 | union { | |
195 | int (*func1)(SSL *, void *, int); | |
196 | int (*func2)(SSL *, const void *, int); | |
197 | } f; | |
07bbc92c MC |
198 | }; |
199 | ||
919ba009 VD |
200 | static const struct { |
201 | uint8_t mtype; | |
202 | uint8_t ord; | |
203 | int nid; | |
204 | } dane_mds[] = { | |
205 | { DANETLS_MATCHING_FULL, 0, NID_undef }, | |
206 | { DANETLS_MATCHING_2256, 1, NID_sha256 }, | |
207 | { DANETLS_MATCHING_2512, 2, NID_sha512 }, | |
208 | }; | |
209 | ||
210 | static int dane_ctx_enable(struct dane_ctx_st *dctx) | |
211 | { | |
212 | const EVP_MD **mdevp; | |
213 | uint8_t *mdord; | |
214 | uint8_t mdmax = DANETLS_MATCHING_LAST; | |
215 | int n = ((int) mdmax) + 1; /* int to handle PrivMatch(255) */ | |
216 | size_t i; | |
217 | ||
218 | mdevp = OPENSSL_zalloc(n * sizeof(*mdevp)); | |
219 | mdord = OPENSSL_zalloc(n * sizeof(*mdord)); | |
220 | ||
221 | if (mdord == NULL || mdevp == NULL) { | |
222 | OPENSSL_free(mdevp); | |
223 | SSLerr(SSL_F_DANE_CTX_ENABLE, ERR_R_MALLOC_FAILURE); | |
224 | return 0; | |
225 | } | |
226 | ||
227 | /* Install default entries */ | |
228 | for (i = 0; i < OSSL_NELEM(dane_mds); ++i) { | |
229 | const EVP_MD *md; | |
230 | ||
231 | if (dane_mds[i].nid == NID_undef || | |
232 | (md = EVP_get_digestbynid(dane_mds[i].nid)) == NULL) | |
233 | continue; | |
234 | mdevp[dane_mds[i].mtype] = md; | |
235 | mdord[dane_mds[i].mtype] = dane_mds[i].ord; | |
236 | } | |
237 | ||
238 | dctx->mdevp = mdevp; | |
239 | dctx->mdord = mdord; | |
240 | dctx->mdmax = mdmax; | |
241 | ||
242 | return 1; | |
243 | } | |
244 | ||
245 | static void dane_ctx_final(struct dane_ctx_st *dctx) | |
246 | { | |
247 | OPENSSL_free(dctx->mdevp); | |
248 | dctx->mdevp = NULL; | |
249 | ||
250 | OPENSSL_free(dctx->mdord); | |
251 | dctx->mdord = NULL; | |
252 | dctx->mdmax = 0; | |
253 | } | |
254 | ||
255 | static void tlsa_free(danetls_record *t) | |
256 | { | |
257 | if (t == NULL) | |
258 | return; | |
259 | OPENSSL_free(t->data); | |
260 | EVP_PKEY_free(t->spki); | |
261 | OPENSSL_free(t); | |
262 | } | |
263 | ||
264 | static void dane_final(struct dane_st *dane) | |
265 | { | |
266 | sk_danetls_record_pop_free(dane->trecs, tlsa_free); | |
267 | dane->trecs = NULL; | |
268 | ||
269 | sk_X509_pop_free(dane->certs, X509_free); | |
270 | dane->certs = NULL; | |
271 | ||
272 | X509_free(dane->mcert); | |
273 | dane->mcert = NULL; | |
274 | dane->mtlsa = NULL; | |
275 | dane->mdpth = -1; | |
276 | dane->pdpth = -1; | |
277 | } | |
278 | ||
279 | /* | |
280 | * dane_copy - Copy dane configuration, sans verification state. | |
281 | */ | |
282 | static int ssl_dane_dup(SSL *to, SSL *from) | |
283 | { | |
284 | int num; | |
285 | int i; | |
286 | ||
287 | if (!DANETLS_ENABLED(&from->dane)) | |
288 | return 1; | |
289 | ||
290 | dane_final(&to->dane); | |
291 | ||
292 | num = sk_danetls_record_num(from->dane.trecs); | |
293 | for (i = 0; i < num; ++i) { | |
294 | danetls_record *t = sk_danetls_record_value(from->dane.trecs, i); | |
295 | if (SSL_dane_tlsa_add(to, t->usage, t->selector, t->mtype, | |
296 | t->data, t->dlen) <= 0) | |
297 | return 0; | |
298 | } | |
299 | return 1; | |
300 | } | |
301 | ||
302 | static int dane_mtype_set( | |
303 | struct dane_ctx_st *dctx, | |
304 | const EVP_MD *md, | |
305 | uint8_t mtype, | |
306 | uint8_t ord) | |
307 | { | |
308 | int i; | |
309 | ||
310 | if (mtype == DANETLS_MATCHING_FULL && md != NULL) { | |
311 | SSLerr(SSL_F_DANE_MTYPE_SET, | |
312 | SSL_R_DANE_CANNOT_OVERRIDE_MTYPE_FULL); | |
313 | return 0; | |
314 | } | |
315 | ||
316 | if (mtype > dctx->mdmax) { | |
317 | const EVP_MD **mdevp; | |
318 | uint8_t *mdord; | |
319 | int n = ((int) mtype) + 1; | |
320 | ||
321 | mdevp = OPENSSL_realloc(dctx->mdevp, n * sizeof(*mdevp)); | |
322 | if (mdevp == NULL) { | |
323 | SSLerr(SSL_F_DANE_MTYPE_SET, ERR_R_MALLOC_FAILURE); | |
324 | return -1; | |
325 | } | |
326 | dctx->mdevp = mdevp; | |
327 | ||
328 | mdord = OPENSSL_realloc(dctx->mdord, n * sizeof(*mdord)); | |
329 | if (mdord == NULL) { | |
330 | SSLerr(SSL_F_DANE_MTYPE_SET, ERR_R_MALLOC_FAILURE); | |
331 | return -1; | |
332 | } | |
333 | dctx->mdord = mdord; | |
334 | ||
335 | /* Zero-fill any gaps */ | |
336 | for (i = dctx->mdmax+1; i < mtype; ++i) { | |
337 | mdevp[i] = NULL; | |
338 | mdord[i] = 0; | |
339 | } | |
340 | ||
341 | dctx->mdmax = mtype; | |
342 | } | |
343 | ||
344 | dctx->mdevp[mtype] = md; | |
345 | /* Coerce ordinal of disabled matching types to 0 */ | |
346 | dctx->mdord[mtype] = (md == NULL) ? 0 : ord; | |
347 | ||
348 | return 1; | |
349 | } | |
350 | ||
351 | static const EVP_MD *tlsa_md_get(struct dane_st *dane, uint8_t mtype) | |
352 | { | |
353 | if (mtype > dane->dctx->mdmax) | |
354 | return NULL; | |
355 | return dane->dctx->mdevp[mtype]; | |
356 | } | |
357 | ||
358 | static int dane_tlsa_add( | |
359 | struct dane_st *dane, | |
360 | uint8_t usage, | |
361 | uint8_t selector, | |
362 | uint8_t mtype, | |
363 | unsigned char *data, | |
364 | size_t dlen) | |
365 | { | |
366 | danetls_record *t; | |
367 | const EVP_MD *md = NULL; | |
368 | int ilen = (int)dlen; | |
369 | int i; | |
370 | ||
371 | if (dane->trecs == NULL) { | |
372 | SSLerr(SSL_F_DANE_TLSA_ADD, SSL_R_DANE_NOT_ENABLED); | |
373 | return -1; | |
374 | } | |
375 | ||
376 | if (ilen < 0 || dlen != (size_t)ilen) { | |
377 | SSLerr(SSL_F_DANE_TLSA_ADD, SSL_R_DANE_TLSA_BAD_DATA_LENGTH); | |
378 | return 0; | |
379 | } | |
380 | ||
381 | if (usage > DANETLS_USAGE_LAST) { | |
382 | SSLerr(SSL_F_DANE_TLSA_ADD, SSL_R_DANE_TLSA_BAD_CERTIFICATE_USAGE); | |
383 | return 0; | |
384 | } | |
385 | ||
386 | if (selector > DANETLS_SELECTOR_LAST) { | |
387 | SSLerr(SSL_F_DANE_TLSA_ADD, SSL_R_DANE_TLSA_BAD_SELECTOR); | |
388 | return 0; | |
389 | } | |
390 | ||
391 | if (mtype != DANETLS_MATCHING_FULL) { | |
392 | md = tlsa_md_get(dane, mtype); | |
393 | if (md == NULL) { | |
394 | SSLerr(SSL_F_DANE_TLSA_ADD, SSL_R_DANE_TLSA_BAD_MATCHING_TYPE); | |
395 | return 0; | |
396 | } | |
397 | } | |
398 | ||
399 | if (md != NULL && dlen != (size_t)EVP_MD_size(md)) { | |
400 | SSLerr(SSL_F_DANE_TLSA_ADD, SSL_R_DANE_TLSA_BAD_DIGEST_LENGTH); | |
401 | return 0; | |
402 | } | |
403 | if (!data) { | |
404 | SSLerr(SSL_F_DANE_TLSA_ADD, SSL_R_DANE_TLSA_NULL_DATA); | |
405 | return 0; | |
406 | } | |
407 | ||
408 | if ((t = OPENSSL_zalloc(sizeof(*t))) == NULL) { | |
409 | SSLerr(SSL_F_DANE_TLSA_ADD, ERR_R_MALLOC_FAILURE); | |
410 | return -1; | |
411 | } | |
412 | ||
413 | t->usage = usage; | |
414 | t->selector = selector; | |
415 | t->mtype = mtype; | |
416 | t->data = OPENSSL_malloc(ilen); | |
417 | if (t->data == NULL) { | |
418 | tlsa_free(t); | |
419 | SSLerr(SSL_F_DANE_TLSA_ADD, ERR_R_MALLOC_FAILURE); | |
420 | return -1; | |
421 | } | |
422 | memcpy(t->data, data, ilen); | |
423 | t->dlen = ilen; | |
424 | ||
425 | /* Validate and cache full certificate or public key */ | |
426 | if (mtype == DANETLS_MATCHING_FULL) { | |
427 | const unsigned char *p = data; | |
428 | X509 *cert = NULL; | |
429 | EVP_PKEY *pkey = NULL; | |
430 | ||
431 | switch (selector) { | |
432 | case DANETLS_SELECTOR_CERT: | |
433 | if (!d2i_X509(&cert, &p, dlen) || p < data || | |
434 | dlen != (size_t)(p - data)) { | |
435 | tlsa_free(t); | |
436 | SSLerr(SSL_F_DANE_TLSA_ADD, SSL_R_DANE_TLSA_BAD_CERTIFICATE); | |
437 | return 0; | |
438 | } | |
439 | if (X509_get0_pubkey(cert) == NULL) { | |
440 | tlsa_free(t); | |
441 | SSLerr(SSL_F_DANE_TLSA_ADD, SSL_R_DANE_TLSA_BAD_CERTIFICATE); | |
442 | return 0; | |
443 | } | |
444 | ||
445 | if ((DANETLS_USAGE_BIT(usage) & DANETLS_TA_MASK) == 0) { | |
446 | X509_free(cert); | |
447 | break; | |
448 | } | |
449 | ||
450 | /* | |
451 | * For usage DANE-TA(2), we support authentication via "2 0 0" TLSA | |
452 | * records that contain full certificates of trust-anchors that are | |
453 | * not present in the wire chain. For usage PKIX-TA(0), we augment | |
454 | * the chain with untrusted Full(0) certificates from DNS, in case | |
455 | * they are missing from the chain. | |
456 | */ | |
457 | if ((dane->certs == NULL && | |
458 | (dane->certs = sk_X509_new_null()) == NULL) || | |
459 | !sk_X509_push(dane->certs, cert)) { | |
460 | SSLerr(SSL_F_DANE_TLSA_ADD, ERR_R_MALLOC_FAILURE); | |
461 | X509_free(cert); | |
462 | tlsa_free(t); | |
463 | return -1; | |
464 | } | |
465 | break; | |
466 | ||
467 | case DANETLS_SELECTOR_SPKI: | |
468 | if (!d2i_PUBKEY(&pkey, &p, dlen) || p < data || | |
469 | dlen != (size_t)(p - data)) { | |
470 | tlsa_free(t); | |
471 | SSLerr(SSL_F_DANE_TLSA_ADD, SSL_R_DANE_TLSA_BAD_PUBLIC_KEY); | |
472 | return 0; | |
473 | } | |
474 | ||
475 | /* | |
476 | * For usage DANE-TA(2), we support authentication via "2 1 0" TLSA | |
477 | * records that contain full bare keys of trust-anchors that are | |
478 | * not present in the wire chain. | |
479 | */ | |
480 | if (usage == DANETLS_USAGE_DANE_TA) | |
481 | t->spki = pkey; | |
482 | else | |
483 | EVP_PKEY_free(pkey); | |
484 | break; | |
485 | } | |
486 | } | |
487 | ||
488 | /*- | |
489 | * Find the right insertion point for the new record. | |
490 | * | |
491 | * See crypto/x509/x509_vfy.c. We sort DANE-EE(3) records first, so that | |
492 | * they can be processed first, as they require no chain building, and no | |
493 | * expiration or hostname checks. Because DANE-EE(3) is numerically | |
494 | * largest, this is accomplished via descending sort by "usage". | |
495 | * | |
496 | * We also sort in descending order by matching ordinal to simplify | |
497 | * the implementation of digest agility in the verification code. | |
498 | * | |
499 | * The choice of order for the selector is not significant, so we | |
500 | * use the same descending order for consistency. | |
501 | */ | |
502 | for (i = 0; i < sk_danetls_record_num(dane->trecs); ++i) { | |
503 | danetls_record *rec = sk_danetls_record_value(dane->trecs, i); | |
504 | if (rec->usage > usage) | |
505 | continue; | |
506 | if (rec->usage < usage) | |
507 | break; | |
508 | if (rec->selector > selector) | |
509 | continue; | |
510 | if (rec->selector < selector) | |
511 | break; | |
512 | if (dane->dctx->mdord[rec->mtype] > dane->dctx->mdord[mtype]) | |
513 | continue; | |
514 | break; | |
515 | } | |
516 | ||
517 | if (!sk_danetls_record_insert(dane->trecs, t, i)) { | |
518 | tlsa_free(t); | |
519 | SSLerr(SSL_F_DANE_TLSA_ADD, ERR_R_MALLOC_FAILURE); | |
520 | return -1; | |
521 | } | |
522 | dane->umask |= DANETLS_USAGE_BIT(usage); | |
523 | ||
524 | return 1; | |
525 | } | |
526 | ||
d31fb0b5 RS |
527 | static void clear_ciphers(SSL *s) |
528 | { | |
529 | /* clear the current cipher */ | |
530 | ssl_clear_cipher_ctx(s); | |
531 | ssl_clear_hash_ctx(&s->read_hash); | |
532 | ssl_clear_hash_ctx(&s->write_hash); | |
533 | } | |
534 | ||
4f43d0e7 | 535 | int SSL_clear(SSL *s) |
0f113f3e | 536 | { |
0f113f3e MC |
537 | if (s->method == NULL) { |
538 | SSLerr(SSL_F_SSL_CLEAR, SSL_R_NO_METHOD_SPECIFIED); | |
539 | return (0); | |
540 | } | |
d02b48c6 | 541 | |
0f113f3e MC |
542 | if (ssl_clear_bad_session(s)) { |
543 | SSL_SESSION_free(s->session); | |
544 | s->session = NULL; | |
545 | } | |
d62bfb39 | 546 | |
0f113f3e MC |
547 | s->error = 0; |
548 | s->hit = 0; | |
549 | s->shutdown = 0; | |
d02b48c6 | 550 | |
0f113f3e MC |
551 | if (s->renegotiate) { |
552 | SSLerr(SSL_F_SSL_CLEAR, ERR_R_INTERNAL_ERROR); | |
553 | return 0; | |
554 | } | |
d02b48c6 | 555 | |
fe3a3291 | 556 | ossl_statem_clear(s); |
413c4f45 | 557 | |
0f113f3e MC |
558 | s->version = s->method->version; |
559 | s->client_version = s->version; | |
560 | s->rwstate = SSL_NOTHING; | |
d02b48c6 | 561 | |
25aaa98a RS |
562 | BUF_MEM_free(s->init_buf); |
563 | s->init_buf = NULL; | |
d31fb0b5 | 564 | clear_ciphers(s); |
0f113f3e | 565 | s->first_packet = 0; |
d02b48c6 | 566 | |
919ba009 VD |
567 | /* Reset DANE verification result state */ |
568 | s->dane.mdpth = -1; | |
569 | s->dane.pdpth = -1; | |
570 | X509_free(s->dane.mcert); | |
571 | s->dane.mcert = NULL; | |
572 | s->dane.mtlsa = NULL; | |
573 | ||
574 | /* Clear the verification result peername */ | |
575 | X509_VERIFY_PARAM_move_peername(s->param, NULL); | |
576 | ||
0f113f3e MC |
577 | /* |
578 | * Check to see if we were changed into a different method, if so, revert | |
579 | * back if we are not doing session-id reuse. | |
580 | */ | |
024f543c | 581 | if (!ossl_statem_get_in_handshake(s) && (s->session == NULL) |
0f113f3e MC |
582 | && (s->method != s->ctx->method)) { |
583 | s->method->ssl_free(s); | |
584 | s->method = s->ctx->method; | |
585 | if (!s->method->ssl_new(s)) | |
586 | return (0); | |
587 | } else | |
0f113f3e | 588 | s->method->ssl_clear(s); |
33d23b87 | 589 | |
af9752e5 | 590 | RECORD_LAYER_clear(&s->rlayer); |
33d23b87 | 591 | |
0f113f3e MC |
592 | return (1); |
593 | } | |
d02b48c6 | 594 | |
4f43d0e7 | 595 | /** Used to change an SSL_CTXs default SSL method type */ |
0f113f3e MC |
596 | int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth) |
597 | { | |
598 | STACK_OF(SSL_CIPHER) *sk; | |
599 | ||
600 | ctx->method = meth; | |
601 | ||
602 | sk = ssl_create_cipher_list(ctx->method, &(ctx->cipher_list), | |
603 | &(ctx->cipher_list_by_id), | |
604 | SSL_DEFAULT_CIPHER_LIST, ctx->cert); | |
605 | if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0)) { | |
606 | SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION, | |
607 | SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS); | |
608 | return (0); | |
609 | } | |
610 | return (1); | |
611 | } | |
d02b48c6 | 612 | |
4f43d0e7 | 613 | SSL *SSL_new(SSL_CTX *ctx) |
0f113f3e MC |
614 | { |
615 | SSL *s; | |
616 | ||
617 | if (ctx == NULL) { | |
618 | SSLerr(SSL_F_SSL_NEW, SSL_R_NULL_SSL_CTX); | |
619 | return (NULL); | |
620 | } | |
621 | if (ctx->method == NULL) { | |
622 | SSLerr(SSL_F_SSL_NEW, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION); | |
623 | return (NULL); | |
624 | } | |
625 | ||
b51bce94 | 626 | s = OPENSSL_zalloc(sizeof(*s)); |
0f113f3e MC |
627 | if (s == NULL) |
628 | goto err; | |
0f113f3e | 629 | |
c036e210 | 630 | RECORD_LAYER_init(&s->rlayer, s); |
28d59af8 | 631 | |
0f113f3e | 632 | s->options = ctx->options; |
7946ab33 KR |
633 | s->min_proto_version = ctx->min_proto_version; |
634 | s->max_proto_version = ctx->max_proto_version; | |
0f113f3e MC |
635 | s->mode = ctx->mode; |
636 | s->max_cert_list = ctx->max_cert_list; | |
0e04674e | 637 | s->references = 1; |
0f113f3e | 638 | |
2c382349 KR |
639 | /* |
640 | * Earlier library versions used to copy the pointer to the CERT, not | |
641 | * its contents; only when setting new parameters for the per-SSL | |
642 | * copy, ssl_cert_new would be called (and the direct reference to | |
643 | * the per-SSL_CTX settings would be lost, but those still were | |
644 | * indirectly accessed for various purposes, and for that reason they | |
645 | * used to be known as s->ctx->default_cert). Now we don't look at the | |
646 | * SSL_CTX's CERT after having duplicated it once. | |
647 | */ | |
648 | s->cert = ssl_cert_dup(ctx->cert); | |
649 | if (s->cert == NULL) | |
650 | goto err; | |
0f113f3e | 651 | |
52e1d7b1 | 652 | RECORD_LAYER_set_read_ahead(&s->rlayer, ctx->read_ahead); |
0f113f3e MC |
653 | s->msg_callback = ctx->msg_callback; |
654 | s->msg_callback_arg = ctx->msg_callback_arg; | |
655 | s->verify_mode = ctx->verify_mode; | |
656 | s->not_resumable_session_cb = ctx->not_resumable_session_cb; | |
0f113f3e MC |
657 | s->sid_ctx_length = ctx->sid_ctx_length; |
658 | OPENSSL_assert(s->sid_ctx_length <= sizeof s->sid_ctx); | |
659 | memcpy(&s->sid_ctx, &ctx->sid_ctx, sizeof(s->sid_ctx)); | |
660 | s->verify_callback = ctx->default_verify_callback; | |
661 | s->generate_session_id = ctx->generate_session_id; | |
662 | ||
663 | s->param = X509_VERIFY_PARAM_new(); | |
a71edf3b | 664 | if (s->param == NULL) |
0f113f3e MC |
665 | goto err; |
666 | X509_VERIFY_PARAM_inherit(s->param, ctx->param); | |
0f113f3e MC |
667 | s->quiet_shutdown = ctx->quiet_shutdown; |
668 | s->max_send_fragment = ctx->max_send_fragment; | |
bf21446a | 669 | |
0f113f3e MC |
670 | CRYPTO_add(&ctx->references, 1, CRYPTO_LOCK_SSL_CTX); |
671 | s->ctx = ctx; | |
0f113f3e MC |
672 | s->tlsext_debug_cb = 0; |
673 | s->tlsext_debug_arg = NULL; | |
674 | s->tlsext_ticket_expected = 0; | |
675 | s->tlsext_status_type = -1; | |
676 | s->tlsext_status_expected = 0; | |
677 | s->tlsext_ocsp_ids = NULL; | |
678 | s->tlsext_ocsp_exts = NULL; | |
679 | s->tlsext_ocsp_resp = NULL; | |
680 | s->tlsext_ocsp_resplen = -1; | |
681 | CRYPTO_add(&ctx->references, 1, CRYPTO_LOCK_SSL_CTX); | |
682 | s->initial_ctx = ctx; | |
683 | # ifndef OPENSSL_NO_EC | |
684 | if (ctx->tlsext_ecpointformatlist) { | |
685 | s->tlsext_ecpointformatlist = | |
7644a9ae RS |
686 | OPENSSL_memdup(ctx->tlsext_ecpointformatlist, |
687 | ctx->tlsext_ecpointformatlist_length); | |
0f113f3e MC |
688 | if (!s->tlsext_ecpointformatlist) |
689 | goto err; | |
690 | s->tlsext_ecpointformatlist_length = | |
691 | ctx->tlsext_ecpointformatlist_length; | |
692 | } | |
693 | if (ctx->tlsext_ellipticcurvelist) { | |
694 | s->tlsext_ellipticcurvelist = | |
7644a9ae RS |
695 | OPENSSL_memdup(ctx->tlsext_ellipticcurvelist, |
696 | ctx->tlsext_ellipticcurvelist_length); | |
0f113f3e MC |
697 | if (!s->tlsext_ellipticcurvelist) |
698 | goto err; | |
699 | s->tlsext_ellipticcurvelist_length = | |
700 | ctx->tlsext_ellipticcurvelist_length; | |
701 | } | |
702 | # endif | |
bf48836c | 703 | # ifndef OPENSSL_NO_NEXTPROTONEG |
0f113f3e | 704 | s->next_proto_negotiated = NULL; |
ee2ffc27 | 705 | # endif |
6f017a8f | 706 | |
0f113f3e MC |
707 | if (s->ctx->alpn_client_proto_list) { |
708 | s->alpn_client_proto_list = | |
709 | OPENSSL_malloc(s->ctx->alpn_client_proto_list_len); | |
710 | if (s->alpn_client_proto_list == NULL) | |
711 | goto err; | |
712 | memcpy(s->alpn_client_proto_list, s->ctx->alpn_client_proto_list, | |
713 | s->ctx->alpn_client_proto_list_len); | |
714 | s->alpn_client_proto_list_len = s->ctx->alpn_client_proto_list_len; | |
715 | } | |
d02b48c6 | 716 | |
0f113f3e | 717 | s->verify_result = X509_V_OK; |
d02b48c6 | 718 | |
a974e64a MC |
719 | s->default_passwd_callback = ctx->default_passwd_callback; |
720 | s->default_passwd_callback_userdata = ctx->default_passwd_callback_userdata; | |
721 | ||
0f113f3e | 722 | s->method = ctx->method; |
d02b48c6 | 723 | |
0f113f3e MC |
724 | if (!s->method->ssl_new(s)) |
725 | goto err; | |
d02b48c6 | 726 | |
0f113f3e | 727 | s->server = (ctx->method->ssl_accept == ssl_undefined_function) ? 0 : 1; |
bf21446a | 728 | |
61986d32 | 729 | if (!SSL_clear(s)) |
69f68237 | 730 | goto err; |
58964a49 | 731 | |
0f113f3e | 732 | CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data); |
58964a49 | 733 | |
ddac1974 | 734 | #ifndef OPENSSL_NO_PSK |
0f113f3e MC |
735 | s->psk_client_callback = ctx->psk_client_callback; |
736 | s->psk_server_callback = ctx->psk_server_callback; | |
ddac1974 NL |
737 | #endif |
738 | ||
07bbc92c MC |
739 | s->job = NULL; |
740 | ||
0f113f3e MC |
741 | return (s); |
742 | err: | |
62adbcee | 743 | SSL_free(s); |
0f113f3e MC |
744 | SSLerr(SSL_F_SSL_NEW, ERR_R_MALLOC_FAILURE); |
745 | return (NULL); | |
746 | } | |
d02b48c6 | 747 | |
0f113f3e MC |
748 | int SSL_CTX_set_session_id_context(SSL_CTX *ctx, const unsigned char *sid_ctx, |
749 | unsigned int sid_ctx_len) | |
750 | { | |
751 | if (sid_ctx_len > sizeof ctx->sid_ctx) { | |
752 | SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT, | |
753 | SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); | |
754 | return 0; | |
755 | } | |
756 | ctx->sid_ctx_length = sid_ctx_len; | |
757 | memcpy(ctx->sid_ctx, sid_ctx, sid_ctx_len); | |
4eb77b26 BM |
758 | |
759 | return 1; | |
0f113f3e | 760 | } |
4eb77b26 | 761 | |
0f113f3e MC |
762 | int SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx, |
763 | unsigned int sid_ctx_len) | |
764 | { | |
765 | if (sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) { | |
766 | SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT, | |
767 | SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); | |
768 | return 0; | |
769 | } | |
770 | ssl->sid_ctx_length = sid_ctx_len; | |
771 | memcpy(ssl->sid_ctx, sid_ctx, sid_ctx_len); | |
b4cadc6e BL |
772 | |
773 | return 1; | |
0f113f3e | 774 | } |
b4cadc6e | 775 | |
dc644fe2 | 776 | int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb) |
0f113f3e MC |
777 | { |
778 | CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX); | |
779 | ctx->generate_session_id = cb; | |
780 | CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX); | |
781 | return 1; | |
782 | } | |
dc644fe2 GT |
783 | |
784 | int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb) | |
0f113f3e MC |
785 | { |
786 | CRYPTO_w_lock(CRYPTO_LOCK_SSL); | |
787 | ssl->generate_session_id = cb; | |
788 | CRYPTO_w_unlock(CRYPTO_LOCK_SSL); | |
789 | return 1; | |
790 | } | |
dc644fe2 | 791 | |
f85c9904 | 792 | int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id, |
0f113f3e MC |
793 | unsigned int id_len) |
794 | { | |
795 | /* | |
796 | * A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how | |
797 | * we can "construct" a session to give us the desired check - ie. to | |
798 | * find if there's a session in the hash table that would conflict with | |
799 | * any new session built out of this id/id_len and the ssl_version in use | |
800 | * by this SSL. | |
801 | */ | |
802 | SSL_SESSION r, *p; | |
803 | ||
804 | if (id_len > sizeof r.session_id) | |
805 | return 0; | |
806 | ||
807 | r.ssl_version = ssl->version; | |
808 | r.session_id_length = id_len; | |
809 | memcpy(r.session_id, id, id_len); | |
810 | ||
811 | CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX); | |
812 | p = lh_SSL_SESSION_retrieve(ssl->ctx->sessions, &r); | |
813 | CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX); | |
814 | return (p != NULL); | |
815 | } | |
dc644fe2 | 816 | |
bb7cd4e3 | 817 | int SSL_CTX_set_purpose(SSL_CTX *s, int purpose) |
0f113f3e MC |
818 | { |
819 | return X509_VERIFY_PARAM_set_purpose(s->param, purpose); | |
820 | } | |
bb7cd4e3 DSH |
821 | |
822 | int SSL_set_purpose(SSL *s, int purpose) | |
0f113f3e MC |
823 | { |
824 | return X509_VERIFY_PARAM_set_purpose(s->param, purpose); | |
825 | } | |
926a56bf | 826 | |
bb7cd4e3 | 827 | int SSL_CTX_set_trust(SSL_CTX *s, int trust) |
0f113f3e MC |
828 | { |
829 | return X509_VERIFY_PARAM_set_trust(s->param, trust); | |
830 | } | |
bb7cd4e3 DSH |
831 | |
832 | int SSL_set_trust(SSL *s, int trust) | |
0f113f3e MC |
833 | { |
834 | return X509_VERIFY_PARAM_set_trust(s->param, trust); | |
835 | } | |
bb7cd4e3 | 836 | |
919ba009 VD |
837 | int SSL_set1_host(SSL *s, const char *hostname) |
838 | { | |
839 | return X509_VERIFY_PARAM_set1_host(s->param, hostname, 0); | |
840 | } | |
841 | ||
842 | int SSL_add1_host(SSL *s, const char *hostname) | |
843 | { | |
844 | return X509_VERIFY_PARAM_add1_host(s->param, hostname, 0); | |
845 | } | |
846 | ||
847 | void SSL_set_hostflags(SSL *s, unsigned int flags) | |
848 | { | |
849 | X509_VERIFY_PARAM_set_hostflags(s->param, flags); | |
850 | } | |
851 | ||
852 | const char *SSL_get0_peername(SSL *s) | |
853 | { | |
854 | return X509_VERIFY_PARAM_get0_peername(s->param); | |
855 | } | |
856 | ||
857 | int SSL_CTX_dane_enable(SSL_CTX *ctx) | |
858 | { | |
859 | return dane_ctx_enable(&ctx->dane); | |
860 | } | |
861 | ||
862 | int SSL_dane_enable(SSL *s, const char *basedomain) | |
863 | { | |
864 | struct dane_st *dane = &s->dane; | |
865 | ||
866 | if (s->ctx->dane.mdmax == 0) { | |
867 | SSLerr(SSL_F_SSL_DANE_ENABLE, SSL_R_CONTEXT_NOT_DANE_ENABLED); | |
868 | return 0; | |
869 | } | |
870 | if (dane->trecs != NULL) { | |
871 | SSLerr(SSL_F_SSL_DANE_ENABLE, SSL_R_DANE_ALREADY_ENABLED); | |
872 | return 0; | |
873 | } | |
874 | ||
875 | /* Primary RFC6125 reference identifier */ | |
876 | if (!X509_VERIFY_PARAM_set1_host(s->param, basedomain, 0)) { | |
877 | SSLerr(SSL_F_SSL_DANE_ENABLE, SSL_R_ERROR_SETTING_TLSA_BASE_DOMAIN); | |
878 | return -1; | |
879 | } | |
880 | ||
881 | /* Default SNI name */ | |
882 | if (s->tlsext_hostname == NULL) { | |
883 | if (!SSL_set_tlsext_host_name(s, basedomain)) | |
884 | return -1; | |
885 | } | |
886 | ||
887 | dane->mdpth = -1; | |
888 | dane->pdpth = -1; | |
889 | dane->dctx = &s->ctx->dane; | |
890 | dane->trecs = sk_danetls_record_new_null(); | |
891 | ||
892 | if (dane->trecs == NULL) { | |
893 | SSLerr(SSL_F_SSL_DANE_ENABLE, ERR_R_MALLOC_FAILURE); | |
894 | return -1; | |
895 | } | |
896 | return 1; | |
897 | } | |
898 | ||
899 | int SSL_get0_dane_authority(SSL *s, X509 **mcert, EVP_PKEY **mspki) | |
900 | { | |
901 | struct dane_st *dane = &s->dane; | |
902 | ||
903 | if (!DANETLS_ENABLED(dane)) | |
904 | return -1; | |
905 | if (dane->mtlsa) { | |
906 | if (mcert) | |
907 | *mcert = dane->mcert; | |
908 | if (mspki) | |
909 | *mspki = (dane->mcert == NULL) ? dane->mtlsa->spki : NULL; | |
910 | } | |
911 | return dane->mdpth; | |
912 | } | |
913 | ||
914 | int SSL_get0_dane_tlsa(SSL *s, uint8_t *usage, uint8_t *selector, | |
915 | uint8_t *mtype, unsigned const char **data, size_t *dlen) | |
916 | { | |
917 | struct dane_st *dane = &s->dane; | |
918 | ||
919 | if (!DANETLS_ENABLED(dane)) | |
920 | return -1; | |
921 | if (dane->mtlsa) { | |
922 | if (usage) | |
923 | *usage = dane->mtlsa->usage; | |
924 | if (selector) | |
925 | *selector = dane->mtlsa->selector; | |
926 | if (mtype) | |
927 | *mtype = dane->mtlsa->mtype; | |
928 | if (data) | |
929 | *data = dane->mtlsa->data; | |
930 | if (dlen) | |
931 | *dlen = dane->mtlsa->dlen; | |
932 | } | |
933 | return dane->mdpth; | |
934 | } | |
935 | ||
936 | struct dane_st *SSL_get0_dane(SSL *s) | |
937 | { | |
938 | return &s->dane; | |
939 | } | |
940 | ||
941 | int SSL_dane_tlsa_add(SSL *s, uint8_t usage, uint8_t selector, | |
942 | uint8_t mtype, unsigned char *data, size_t dlen) | |
943 | { | |
944 | return dane_tlsa_add(&s->dane, usage, selector, mtype, data, dlen); | |
945 | } | |
946 | ||
947 | int SSL_CTX_dane_mtype_set(SSL_CTX *ctx, const EVP_MD *md, uint8_t mtype, uint8_t ord) | |
948 | { | |
949 | return dane_mtype_set(&ctx->dane, md, mtype, ord); | |
950 | } | |
951 | ||
ccf11751 | 952 | int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm) |
0f113f3e MC |
953 | { |
954 | return X509_VERIFY_PARAM_set1(ctx->param, vpm); | |
955 | } | |
ccf11751 DSH |
956 | |
957 | int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm) | |
0f113f3e MC |
958 | { |
959 | return X509_VERIFY_PARAM_set1(ssl->param, vpm); | |
960 | } | |
ccf11751 | 961 | |
7af31968 | 962 | X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx) |
0f113f3e MC |
963 | { |
964 | return ctx->param; | |
965 | } | |
7af31968 DSH |
966 | |
967 | X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl) | |
0f113f3e MC |
968 | { |
969 | return ssl->param; | |
970 | } | |
7af31968 | 971 | |
a5ee80b9 | 972 | void SSL_certs_clear(SSL *s) |
0f113f3e MC |
973 | { |
974 | ssl_cert_clear_certs(s->cert); | |
975 | } | |
a5ee80b9 | 976 | |
4f43d0e7 | 977 | void SSL_free(SSL *s) |
0f113f3e MC |
978 | { |
979 | int i; | |
58964a49 | 980 | |
0f113f3e MC |
981 | if (s == NULL) |
982 | return; | |
e03ddfae | 983 | |
0f113f3e | 984 | i = CRYPTO_add(&s->references, -1, CRYPTO_LOCK_SSL); |
58964a49 | 985 | #ifdef REF_PRINT |
0f113f3e | 986 | REF_PRINT("SSL", s); |
58964a49 | 987 | #endif |
0f113f3e MC |
988 | if (i > 0) |
989 | return; | |
58964a49 | 990 | #ifdef REF_CHECK |
0f113f3e MC |
991 | if (i < 0) { |
992 | fprintf(stderr, "SSL_free, bad reference count\n"); | |
993 | abort(); /* ok */ | |
994 | } | |
1aeb3da8 | 995 | #endif |
d02b48c6 | 996 | |
222561fe | 997 | X509_VERIFY_PARAM_free(s->param); |
919ba009 | 998 | dane_final(&s->dane); |
0f113f3e MC |
999 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data); |
1000 | ||
1001 | if (s->bbio != NULL) { | |
1002 | /* If the buffering BIO is in place, pop it off */ | |
1003 | if (s->bbio == s->wbio) { | |
1004 | s->wbio = BIO_pop(s->wbio); | |
1005 | } | |
1006 | BIO_free(s->bbio); | |
1007 | s->bbio = NULL; | |
1008 | } | |
ca3a82c3 RS |
1009 | BIO_free_all(s->rbio); |
1010 | if (s->wbio != s->rbio) | |
0f113f3e MC |
1011 | BIO_free_all(s->wbio); |
1012 | ||
25aaa98a | 1013 | BUF_MEM_free(s->init_buf); |
0f113f3e MC |
1014 | |
1015 | /* add extra stuff */ | |
25aaa98a RS |
1016 | sk_SSL_CIPHER_free(s->cipher_list); |
1017 | sk_SSL_CIPHER_free(s->cipher_list_by_id); | |
0f113f3e MC |
1018 | |
1019 | /* Make the next call work :-) */ | |
1020 | if (s->session != NULL) { | |
1021 | ssl_clear_bad_session(s); | |
1022 | SSL_SESSION_free(s->session); | |
1023 | } | |
1024 | ||
d31fb0b5 | 1025 | clear_ciphers(s); |
d02b48c6 | 1026 | |
e0e920b1 | 1027 | ssl_cert_free(s->cert); |
0f113f3e | 1028 | /* Free up if allocated */ |
d02b48c6 | 1029 | |
b548a1f1 | 1030 | OPENSSL_free(s->tlsext_hostname); |
e0e920b1 | 1031 | SSL_CTX_free(s->initial_ctx); |
e481f9b9 | 1032 | #ifndef OPENSSL_NO_EC |
b548a1f1 RS |
1033 | OPENSSL_free(s->tlsext_ecpointformatlist); |
1034 | OPENSSL_free(s->tlsext_ellipticcurvelist); | |
e481f9b9 | 1035 | #endif /* OPENSSL_NO_EC */ |
222561fe | 1036 | sk_X509_EXTENSION_pop_free(s->tlsext_ocsp_exts, X509_EXTENSION_free); |
25aaa98a | 1037 | sk_OCSP_RESPID_pop_free(s->tlsext_ocsp_ids, OCSP_RESPID_free); |
b548a1f1 RS |
1038 | OPENSSL_free(s->tlsext_ocsp_resp); |
1039 | OPENSSL_free(s->alpn_client_proto_list); | |
0f113f3e | 1040 | |
222561fe | 1041 | sk_X509_NAME_pop_free(s->client_CA, X509_NAME_free); |
0f113f3e MC |
1042 | |
1043 | if (s->method != NULL) | |
1044 | s->method->ssl_free(s); | |
1045 | ||
f161995e | 1046 | RECORD_LAYER_release(&s->rlayer); |
33d23b87 | 1047 | |
e0e920b1 | 1048 | SSL_CTX_free(s->ctx); |
7c3908dd | 1049 | |
e481f9b9 | 1050 | #if !defined(OPENSSL_NO_NEXTPROTONEG) |
b548a1f1 | 1051 | OPENSSL_free(s->next_proto_negotiated); |
ee2ffc27 BL |
1052 | #endif |
1053 | ||
e783bae2 | 1054 | #ifndef OPENSSL_NO_SRTP |
25aaa98a | 1055 | sk_SRTP_PROTECTION_PROFILE_free(s->srtp_profiles); |
0f113f3e MC |
1056 | #endif |
1057 | ||
1058 | OPENSSL_free(s); | |
1059 | } | |
1060 | ||
3ffbe008 MC |
1061 | void SSL_set_rbio(SSL *s, BIO *rbio) |
1062 | { | |
ca3a82c3 | 1063 | if (s->rbio != rbio) |
3ffbe008 MC |
1064 | BIO_free_all(s->rbio); |
1065 | s->rbio = rbio; | |
1066 | } | |
1067 | ||
1068 | void SSL_set_wbio(SSL *s, BIO *wbio) | |
0f113f3e MC |
1069 | { |
1070 | /* | |
1071 | * If the output buffering BIO is still in place, remove it | |
1072 | */ | |
1073 | if (s->bbio != NULL) { | |
1074 | if (s->wbio == s->bbio) { | |
1075 | s->wbio = s->wbio->next_bio; | |
1076 | s->bbio->next_bio = NULL; | |
1077 | } | |
1078 | } | |
ca3a82c3 | 1079 | if (s->wbio != wbio && s->rbio != s->wbio) |
0f113f3e | 1080 | BIO_free_all(s->wbio); |
0f113f3e MC |
1081 | s->wbio = wbio; |
1082 | } | |
d02b48c6 | 1083 | |
3ffbe008 MC |
1084 | void SSL_set_bio(SSL *s, BIO *rbio, BIO *wbio) |
1085 | { | |
1086 | SSL_set_wbio(s, wbio); | |
1087 | SSL_set_rbio(s, rbio); | |
1088 | } | |
1089 | ||
0821bcd4 | 1090 | BIO *SSL_get_rbio(const SSL *s) |
0f113f3e MC |
1091 | { |
1092 | return (s->rbio); | |
1093 | } | |
d02b48c6 | 1094 | |
0821bcd4 | 1095 | BIO *SSL_get_wbio(const SSL *s) |
0f113f3e MC |
1096 | { |
1097 | return (s->wbio); | |
1098 | } | |
d02b48c6 | 1099 | |
0821bcd4 | 1100 | int SSL_get_fd(const SSL *s) |
0f113f3e MC |
1101 | { |
1102 | return (SSL_get_rfd(s)); | |
1103 | } | |
24cbf3ef | 1104 | |
0821bcd4 | 1105 | int SSL_get_rfd(const SSL *s) |
0f113f3e MC |
1106 | { |
1107 | int ret = -1; | |
1108 | BIO *b, *r; | |
1109 | ||
1110 | b = SSL_get_rbio(s); | |
1111 | r = BIO_find_type(b, BIO_TYPE_DESCRIPTOR); | |
1112 | if (r != NULL) | |
1113 | BIO_get_fd(r, &ret); | |
1114 | return (ret); | |
1115 | } | |
d02b48c6 | 1116 | |
0821bcd4 | 1117 | int SSL_get_wfd(const SSL *s) |
0f113f3e MC |
1118 | { |
1119 | int ret = -1; | |
1120 | BIO *b, *r; | |
1121 | ||
1122 | b = SSL_get_wbio(s); | |
1123 | r = BIO_find_type(b, BIO_TYPE_DESCRIPTOR); | |
1124 | if (r != NULL) | |
1125 | BIO_get_fd(r, &ret); | |
1126 | return (ret); | |
1127 | } | |
24cbf3ef | 1128 | |
bc36ee62 | 1129 | #ifndef OPENSSL_NO_SOCK |
0f113f3e MC |
1130 | int SSL_set_fd(SSL *s, int fd) |
1131 | { | |
1132 | int ret = 0; | |
1133 | BIO *bio = NULL; | |
1134 | ||
1135 | bio = BIO_new(BIO_s_socket()); | |
1136 | ||
1137 | if (bio == NULL) { | |
1138 | SSLerr(SSL_F_SSL_SET_FD, ERR_R_BUF_LIB); | |
1139 | goto err; | |
1140 | } | |
1141 | BIO_set_fd(bio, fd, BIO_NOCLOSE); | |
1142 | SSL_set_bio(s, bio, bio); | |
1143 | ret = 1; | |
1144 | err: | |
1145 | return (ret); | |
1146 | } | |
d02b48c6 | 1147 | |
0f113f3e MC |
1148 | int SSL_set_wfd(SSL *s, int fd) |
1149 | { | |
1150 | int ret = 0; | |
1151 | BIO *bio = NULL; | |
1152 | ||
1153 | if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET) | |
1154 | || ((int)BIO_get_fd(s->rbio, NULL) != fd)) { | |
1155 | bio = BIO_new(BIO_s_socket()); | |
1156 | ||
1157 | if (bio == NULL) { | |
1158 | SSLerr(SSL_F_SSL_SET_WFD, ERR_R_BUF_LIB); | |
1159 | goto err; | |
1160 | } | |
1161 | BIO_set_fd(bio, fd, BIO_NOCLOSE); | |
1162 | SSL_set_bio(s, SSL_get_rbio(s), bio); | |
1163 | } else | |
1164 | SSL_set_bio(s, SSL_get_rbio(s), SSL_get_rbio(s)); | |
1165 | ret = 1; | |
1166 | err: | |
1167 | return (ret); | |
1168 | } | |
1169 | ||
1170 | int SSL_set_rfd(SSL *s, int fd) | |
1171 | { | |
1172 | int ret = 0; | |
1173 | BIO *bio = NULL; | |
1174 | ||
1175 | if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET) | |
1176 | || ((int)BIO_get_fd(s->wbio, NULL) != fd)) { | |
1177 | bio = BIO_new(BIO_s_socket()); | |
1178 | ||
1179 | if (bio == NULL) { | |
1180 | SSLerr(SSL_F_SSL_SET_RFD, ERR_R_BUF_LIB); | |
1181 | goto err; | |
1182 | } | |
1183 | BIO_set_fd(bio, fd, BIO_NOCLOSE); | |
1184 | SSL_set_bio(s, bio, SSL_get_wbio(s)); | |
1185 | } else | |
1186 | SSL_set_bio(s, SSL_get_wbio(s), SSL_get_wbio(s)); | |
1187 | ret = 1; | |
1188 | err: | |
1189 | return (ret); | |
1190 | } | |
1191 | #endif | |
ca03109c BM |
1192 | |
1193 | /* return length of latest Finished message we sent, copy to 'buf' */ | |
0821bcd4 | 1194 | size_t SSL_get_finished(const SSL *s, void *buf, size_t count) |
0f113f3e MC |
1195 | { |
1196 | size_t ret = 0; | |
1197 | ||
1198 | if (s->s3 != NULL) { | |
1199 | ret = s->s3->tmp.finish_md_len; | |
1200 | if (count > ret) | |
1201 | count = ret; | |
1202 | memcpy(buf, s->s3->tmp.finish_md, count); | |
1203 | } | |
1204 | return ret; | |
1205 | } | |
ca03109c BM |
1206 | |
1207 | /* return length of latest Finished message we expected, copy to 'buf' */ | |
0821bcd4 | 1208 | size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count) |
0f113f3e MC |
1209 | { |
1210 | size_t ret = 0; | |
ca03109c | 1211 | |
0f113f3e MC |
1212 | if (s->s3 != NULL) { |
1213 | ret = s->s3->tmp.peer_finish_md_len; | |
1214 | if (count > ret) | |
1215 | count = ret; | |
1216 | memcpy(buf, s->s3->tmp.peer_finish_md, count); | |
1217 | } | |
1218 | return ret; | |
1219 | } | |
ca03109c | 1220 | |
0821bcd4 | 1221 | int SSL_get_verify_mode(const SSL *s) |
0f113f3e MC |
1222 | { |
1223 | return (s->verify_mode); | |
1224 | } | |
d02b48c6 | 1225 | |
0821bcd4 | 1226 | int SSL_get_verify_depth(const SSL *s) |
0f113f3e MC |
1227 | { |
1228 | return X509_VERIFY_PARAM_get_depth(s->param); | |
1229 | } | |
7f89714e | 1230 | |
0f113f3e MC |
1231 | int (*SSL_get_verify_callback(const SSL *s)) (int, X509_STORE_CTX *) { |
1232 | return (s->verify_callback); | |
1233 | } | |
d02b48c6 | 1234 | |
0821bcd4 | 1235 | int SSL_CTX_get_verify_mode(const SSL_CTX *ctx) |
0f113f3e MC |
1236 | { |
1237 | return (ctx->verify_mode); | |
1238 | } | |
d02b48c6 | 1239 | |
0821bcd4 | 1240 | int SSL_CTX_get_verify_depth(const SSL_CTX *ctx) |
0f113f3e MC |
1241 | { |
1242 | return X509_VERIFY_PARAM_get_depth(ctx->param); | |
1243 | } | |
1244 | ||
1245 | int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx)) (int, X509_STORE_CTX *) { | |
1246 | return (ctx->default_verify_callback); | |
1247 | } | |
1248 | ||
1249 | void SSL_set_verify(SSL *s, int mode, | |
1250 | int (*callback) (int ok, X509_STORE_CTX *ctx)) | |
1251 | { | |
1252 | s->verify_mode = mode; | |
1253 | if (callback != NULL) | |
1254 | s->verify_callback = callback; | |
1255 | } | |
1256 | ||
1257 | void SSL_set_verify_depth(SSL *s, int depth) | |
1258 | { | |
1259 | X509_VERIFY_PARAM_set_depth(s->param, depth); | |
1260 | } | |
1261 | ||
1262 | void SSL_set_read_ahead(SSL *s, int yes) | |
1263 | { | |
52e1d7b1 | 1264 | RECORD_LAYER_set_read_ahead(&s->rlayer, yes); |
0f113f3e | 1265 | } |
d02b48c6 | 1266 | |
0821bcd4 | 1267 | int SSL_get_read_ahead(const SSL *s) |
0f113f3e | 1268 | { |
52e1d7b1 | 1269 | return RECORD_LAYER_get_read_ahead(&s->rlayer); |
0f113f3e | 1270 | } |
d02b48c6 | 1271 | |
0821bcd4 | 1272 | int SSL_pending(const SSL *s) |
0f113f3e MC |
1273 | { |
1274 | /* | |
1275 | * SSL_pending cannot work properly if read-ahead is enabled | |
1276 | * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)), and it is | |
1277 | * impossible to fix since SSL_pending cannot report errors that may be | |
1278 | * observed while scanning the new data. (Note that SSL_pending() is | |
1279 | * often used as a boolean value, so we'd better not return -1.) | |
1280 | */ | |
1281 | return (s->method->ssl_pending(s)); | |
1282 | } | |
d02b48c6 | 1283 | |
0821bcd4 | 1284 | X509 *SSL_get_peer_certificate(const SSL *s) |
0f113f3e MC |
1285 | { |
1286 | X509 *r; | |
d02b48c6 | 1287 | |
0f113f3e MC |
1288 | if ((s == NULL) || (s->session == NULL)) |
1289 | r = NULL; | |
1290 | else | |
1291 | r = s->session->peer; | |
d02b48c6 | 1292 | |
0f113f3e MC |
1293 | if (r == NULL) |
1294 | return (r); | |
d02b48c6 | 1295 | |
05f0fb9f | 1296 | X509_up_ref(r); |
0f113f3e MC |
1297 | |
1298 | return (r); | |
1299 | } | |
d02b48c6 | 1300 | |
0821bcd4 | 1301 | STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s) |
0f113f3e MC |
1302 | { |
1303 | STACK_OF(X509) *r; | |
1304 | ||
c34b0f99 | 1305 | if ((s == NULL) || (s->session == NULL)) |
0f113f3e MC |
1306 | r = NULL; |
1307 | else | |
c34b0f99 | 1308 | r = s->session->peer_chain; |
0f113f3e MC |
1309 | |
1310 | /* | |
1311 | * If we are a client, cert_chain includes the peer's own certificate; if | |
1312 | * we are a server, it does not. | |
1313 | */ | |
1314 | ||
1315 | return (r); | |
1316 | } | |
1317 | ||
1318 | /* | |
1319 | * Now in theory, since the calling process own 't' it should be safe to | |
1320 | * modify. We need to be able to read f without being hassled | |
1321 | */ | |
17dd65e6 | 1322 | int SSL_copy_session_id(SSL *t, const SSL *f) |
0f113f3e | 1323 | { |
0f113f3e | 1324 | /* Do we need to to SSL locking? */ |
61986d32 | 1325 | if (!SSL_set_session(t, SSL_get_session(f))) { |
17dd65e6 | 1326 | return 0; |
69f68237 | 1327 | } |
0f113f3e MC |
1328 | |
1329 | /* | |
87d9cafa | 1330 | * what if we are setup for one protocol version but want to talk another |
0f113f3e MC |
1331 | */ |
1332 | if (t->method != f->method) { | |
919ba009 VD |
1333 | t->method->ssl_free(t); |
1334 | t->method = f->method; | |
1335 | if (t->method->ssl_new(t) == 0) | |
1336 | return 0; | |
0f113f3e MC |
1337 | } |
1338 | ||
24a0d393 KR |
1339 | CRYPTO_add(&f->cert->references, 1, CRYPTO_LOCK_SSL_CERT); |
1340 | ssl_cert_free(t->cert); | |
1341 | t->cert = f->cert; | |
61986d32 | 1342 | if (!SSL_set_session_id_context(t, f->sid_ctx, f->sid_ctx_length)) { |
17dd65e6 | 1343 | return 0; |
69f68237 | 1344 | } |
17dd65e6 MC |
1345 | |
1346 | return 1; | |
0f113f3e | 1347 | } |
d02b48c6 | 1348 | |
58964a49 | 1349 | /* Fix this so it checks all the valid key/cert options */ |
0821bcd4 | 1350 | int SSL_CTX_check_private_key(const SSL_CTX *ctx) |
0f113f3e MC |
1351 | { |
1352 | if ((ctx == NULL) || | |
24a0d393 | 1353 | (ctx->cert->key->x509 == NULL)) { |
0f113f3e MC |
1354 | SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY, |
1355 | SSL_R_NO_CERTIFICATE_ASSIGNED); | |
1356 | return (0); | |
1357 | } | |
1358 | if (ctx->cert->key->privatekey == NULL) { | |
1359 | SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY, | |
1360 | SSL_R_NO_PRIVATE_KEY_ASSIGNED); | |
1361 | return (0); | |
1362 | } | |
1363 | return (X509_check_private_key | |
1364 | (ctx->cert->key->x509, ctx->cert->key->privatekey)); | |
1365 | } | |
d02b48c6 | 1366 | |
58964a49 | 1367 | /* Fix this function so that it takes an optional type parameter */ |
0821bcd4 | 1368 | int SSL_check_private_key(const SSL *ssl) |
0f113f3e MC |
1369 | { |
1370 | if (ssl == NULL) { | |
1371 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY, ERR_R_PASSED_NULL_PARAMETER); | |
1372 | return (0); | |
1373 | } | |
0f113f3e MC |
1374 | if (ssl->cert->key->x509 == NULL) { |
1375 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY, SSL_R_NO_CERTIFICATE_ASSIGNED); | |
1376 | return (0); | |
1377 | } | |
1378 | if (ssl->cert->key->privatekey == NULL) { | |
1379 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY, SSL_R_NO_PRIVATE_KEY_ASSIGNED); | |
1380 | return (0); | |
1381 | } | |
1382 | return (X509_check_private_key(ssl->cert->key->x509, | |
1383 | ssl->cert->key->privatekey)); | |
1384 | } | |
d02b48c6 | 1385 | |
07bbc92c MC |
1386 | int SSL_waiting_for_async(SSL *s) |
1387 | { | |
82676094 MC |
1388 | if(s->job) |
1389 | return 1; | |
1390 | ||
07bbc92c MC |
1391 | return 0; |
1392 | } | |
1393 | ||
f4da39d2 MC |
1394 | int SSL_get_async_wait_fd(SSL *s) |
1395 | { | |
1396 | if (!s->job) | |
9920a58e | 1397 | return -1; |
f4da39d2 MC |
1398 | |
1399 | return ASYNC_get_wait_fd(s->job); | |
1400 | } | |
1401 | ||
4f43d0e7 | 1402 | int SSL_accept(SSL *s) |
0f113f3e | 1403 | { |
add2f5ca | 1404 | if (s->handshake_func == 0) { |
0f113f3e MC |
1405 | /* Not properly initialized yet */ |
1406 | SSL_set_accept_state(s); | |
07bbc92c | 1407 | } |
add2f5ca MC |
1408 | |
1409 | return SSL_do_handshake(s); | |
0f113f3e | 1410 | } |
d02b48c6 | 1411 | |
4f43d0e7 | 1412 | int SSL_connect(SSL *s) |
0f113f3e | 1413 | { |
add2f5ca | 1414 | if (s->handshake_func == 0) { |
0f113f3e MC |
1415 | /* Not properly initialized yet */ |
1416 | SSL_set_connect_state(s); | |
add2f5ca | 1417 | } |
b31b04d9 | 1418 | |
add2f5ca | 1419 | return SSL_do_handshake(s); |
0f113f3e | 1420 | } |
d02b48c6 | 1421 | |
0821bcd4 | 1422 | long SSL_get_default_timeout(const SSL *s) |
0f113f3e MC |
1423 | { |
1424 | return (s->method->get_timeout()); | |
1425 | } | |
1426 | ||
7fecbf6f | 1427 | static int ssl_start_async_job(SSL *s, struct ssl_async_args *args, |
add2f5ca MC |
1428 | int (*func)(void *)) { |
1429 | int ret; | |
1430 | switch(ASYNC_start_job(&s->job, &ret, func, args, | |
1431 | sizeof(struct ssl_async_args))) { | |
1432 | case ASYNC_ERR: | |
1433 | s->rwstate = SSL_NOTHING; | |
7fecbf6f | 1434 | SSLerr(SSL_F_SSL_START_ASYNC_JOB, SSL_R_FAILED_TO_INIT_ASYNC); |
add2f5ca MC |
1435 | return -1; |
1436 | case ASYNC_PAUSE: | |
1437 | s->rwstate = SSL_ASYNC_PAUSED; | |
1438 | return -1; | |
1439 | case ASYNC_FINISH: | |
1440 | s->job = NULL; | |
1441 | return ret; | |
1442 | default: | |
1443 | s->rwstate = SSL_NOTHING; | |
7fecbf6f | 1444 | SSLerr(SSL_F_SSL_START_ASYNC_JOB, ERR_R_INTERNAL_ERROR); |
add2f5ca MC |
1445 | /* Shouldn't happen */ |
1446 | return -1; | |
1447 | } | |
1448 | } | |
07bbc92c | 1449 | |
add2f5ca | 1450 | static int ssl_io_intern(void *vargs) |
07bbc92c MC |
1451 | { |
1452 | struct ssl_async_args *args; | |
1453 | SSL *s; | |
1454 | void *buf; | |
1455 | int num; | |
1456 | ||
1457 | args = (struct ssl_async_args *)vargs; | |
1458 | s = args->s; | |
1459 | buf = args->buf; | |
1460 | num = args->num; | |
add2f5ca MC |
1461 | if (args->type == 1) |
1462 | return args->f.func1(s, buf, num); | |
1463 | else | |
1464 | return args->f.func2(s, buf, num); | |
07bbc92c MC |
1465 | } |
1466 | ||
0f113f3e MC |
1467 | int SSL_read(SSL *s, void *buf, int num) |
1468 | { | |
1469 | if (s->handshake_func == 0) { | |
1470 | SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED); | |
1471 | return -1; | |
1472 | } | |
1473 | ||
1474 | if (s->shutdown & SSL_RECEIVED_SHUTDOWN) { | |
1475 | s->rwstate = SSL_NOTHING; | |
1476 | return (0); | |
1477 | } | |
07bbc92c | 1478 | |
44a27ac2 | 1479 | if((s->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
add2f5ca MC |
1480 | struct ssl_async_args args; |
1481 | ||
1482 | args.s = s; | |
1483 | args.buf = buf; | |
1484 | args.num = num; | |
1485 | args.type = 1; | |
1486 | args.f.func1 = s->method->ssl_read; | |
1487 | ||
7fecbf6f | 1488 | return ssl_start_async_job(s, &args, ssl_io_intern); |
07bbc92c MC |
1489 | } else { |
1490 | return s->method->ssl_read(s, buf, num); | |
1491 | } | |
0f113f3e MC |
1492 | } |
1493 | ||
1494 | int SSL_peek(SSL *s, void *buf, int num) | |
1495 | { | |
1496 | if (s->handshake_func == 0) { | |
1497 | SSLerr(SSL_F_SSL_PEEK, SSL_R_UNINITIALIZED); | |
1498 | return -1; | |
1499 | } | |
1500 | ||
1501 | if (s->shutdown & SSL_RECEIVED_SHUTDOWN) { | |
1502 | return (0); | |
1503 | } | |
add2f5ca MC |
1504 | if((s->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
1505 | struct ssl_async_args args; | |
0f113f3e | 1506 | |
add2f5ca MC |
1507 | args.s = s; |
1508 | args.buf = buf; | |
1509 | args.num = num; | |
1510 | args.type = 1; | |
1511 | args.f.func1 = s->method->ssl_peek; | |
07bbc92c | 1512 | |
7fecbf6f | 1513 | return ssl_start_async_job(s, &args, ssl_io_intern); |
add2f5ca MC |
1514 | } else { |
1515 | return s->method->ssl_peek(s, buf, num); | |
1516 | } | |
07bbc92c MC |
1517 | } |
1518 | ||
0f113f3e MC |
1519 | int SSL_write(SSL *s, const void *buf, int num) |
1520 | { | |
1521 | if (s->handshake_func == 0) { | |
1522 | SSLerr(SSL_F_SSL_WRITE, SSL_R_UNINITIALIZED); | |
1523 | return -1; | |
1524 | } | |
1525 | ||
1526 | if (s->shutdown & SSL_SENT_SHUTDOWN) { | |
1527 | s->rwstate = SSL_NOTHING; | |
1528 | SSLerr(SSL_F_SSL_WRITE, SSL_R_PROTOCOL_IS_SHUTDOWN); | |
1529 | return (-1); | |
1530 | } | |
07bbc92c | 1531 | |
44a27ac2 | 1532 | if((s->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
add2f5ca MC |
1533 | struct ssl_async_args args; |
1534 | ||
1535 | args.s = s; | |
1536 | args.buf = (void *)buf; | |
1537 | args.num = num; | |
1538 | args.type = 2; | |
1539 | args.f.func2 = s->method->ssl_write; | |
1540 | ||
7fecbf6f | 1541 | return ssl_start_async_job(s, &args, ssl_io_intern); |
07bbc92c MC |
1542 | } else { |
1543 | return s->method->ssl_write(s, buf, num); | |
1544 | } | |
0f113f3e | 1545 | } |
d02b48c6 | 1546 | |
4f43d0e7 | 1547 | int SSL_shutdown(SSL *s) |
0f113f3e MC |
1548 | { |
1549 | /* | |
1550 | * Note that this function behaves differently from what one might | |
1551 | * expect. Return values are 0 for no success (yet), 1 for success; but | |
1552 | * calling it once is usually not enough, even if blocking I/O is used | |
1553 | * (see ssl3_shutdown). | |
1554 | */ | |
1555 | ||
1556 | if (s->handshake_func == 0) { | |
1557 | SSLerr(SSL_F_SSL_SHUTDOWN, SSL_R_UNINITIALIZED); | |
1558 | return -1; | |
1559 | } | |
1560 | ||
3457e7a0 | 1561 | if (!SSL_in_init(s)) |
0f113f3e MC |
1562 | return (s->method->ssl_shutdown(s)); |
1563 | else | |
1564 | return (1); | |
1565 | } | |
d02b48c6 | 1566 | |
4f43d0e7 | 1567 | int SSL_renegotiate(SSL *s) |
0f113f3e MC |
1568 | { |
1569 | if (s->renegotiate == 0) | |
1570 | s->renegotiate = 1; | |
44959ee4 | 1571 | |
0f113f3e | 1572 | s->new_session = 1; |
44959ee4 | 1573 | |
0f113f3e MC |
1574 | return (s->method->ssl_renegotiate(s)); |
1575 | } | |
d02b48c6 | 1576 | |
44959ee4 | 1577 | int SSL_renegotiate_abbreviated(SSL *s) |
0f113f3e MC |
1578 | { |
1579 | if (s->renegotiate == 0) | |
1580 | s->renegotiate = 1; | |
c519e89f | 1581 | |
0f113f3e | 1582 | s->new_session = 0; |
c519e89f | 1583 | |
0f113f3e MC |
1584 | return (s->method->ssl_renegotiate(s)); |
1585 | } | |
44959ee4 | 1586 | |
6b0e9fac | 1587 | int SSL_renegotiate_pending(SSL *s) |
0f113f3e MC |
1588 | { |
1589 | /* | |
1590 | * becomes true when negotiation is requested; false again once a | |
1591 | * handshake has finished | |
1592 | */ | |
1593 | return (s->renegotiate != 0); | |
1594 | } | |
1595 | ||
1596 | long SSL_ctrl(SSL *s, int cmd, long larg, void *parg) | |
1597 | { | |
1598 | long l; | |
1599 | ||
1600 | switch (cmd) { | |
1601 | case SSL_CTRL_GET_READ_AHEAD: | |
52e1d7b1 | 1602 | return (RECORD_LAYER_get_read_ahead(&s->rlayer)); |
0f113f3e | 1603 | case SSL_CTRL_SET_READ_AHEAD: |
52e1d7b1 MC |
1604 | l = RECORD_LAYER_get_read_ahead(&s->rlayer); |
1605 | RECORD_LAYER_set_read_ahead(&s->rlayer, larg); | |
0f113f3e MC |
1606 | return (l); |
1607 | ||
1608 | case SSL_CTRL_SET_MSG_CALLBACK_ARG: | |
1609 | s->msg_callback_arg = parg; | |
1610 | return 1; | |
1611 | ||
0f113f3e MC |
1612 | case SSL_CTRL_MODE: |
1613 | return (s->mode |= larg); | |
1614 | case SSL_CTRL_CLEAR_MODE: | |
1615 | return (s->mode &= ~larg); | |
1616 | case SSL_CTRL_GET_MAX_CERT_LIST: | |
1617 | return (s->max_cert_list); | |
1618 | case SSL_CTRL_SET_MAX_CERT_LIST: | |
1619 | l = s->max_cert_list; | |
1620 | s->max_cert_list = larg; | |
1621 | return (l); | |
1622 | case SSL_CTRL_SET_MAX_SEND_FRAGMENT: | |
1623 | if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH) | |
1624 | return 0; | |
1625 | s->max_send_fragment = larg; | |
1626 | return 1; | |
1627 | case SSL_CTRL_GET_RI_SUPPORT: | |
1628 | if (s->s3) | |
1629 | return s->s3->send_connection_binding; | |
1630 | else | |
1631 | return 0; | |
1632 | case SSL_CTRL_CERT_FLAGS: | |
1633 | return (s->cert->cert_flags |= larg); | |
1634 | case SSL_CTRL_CLEAR_CERT_FLAGS: | |
1635 | return (s->cert->cert_flags &= ~larg); | |
1636 | ||
1637 | case SSL_CTRL_GET_RAW_CIPHERLIST: | |
1638 | if (parg) { | |
76106e60 | 1639 | if (s->s3->tmp.ciphers_raw == NULL) |
0f113f3e | 1640 | return 0; |
76106e60 DSH |
1641 | *(unsigned char **)parg = s->s3->tmp.ciphers_raw; |
1642 | return (int)s->s3->tmp.ciphers_rawlen; | |
e9fa092e EK |
1643 | } else { |
1644 | return TLS_CIPHER_LEN; | |
1645 | } | |
c5364614 | 1646 | case SSL_CTRL_GET_EXTMS_SUPPORT: |
024f543c | 1647 | if (!s->session || SSL_in_init(s) || ossl_statem_get_in_handshake(s)) |
156a8722 DSH |
1648 | return -1; |
1649 | if (s->session->flags & SSL_SESS_FLAG_EXTMS) | |
c5364614 DSH |
1650 | return 1; |
1651 | else | |
1652 | return 0; | |
7946ab33 | 1653 | case SSL_CTRL_SET_MIN_PROTO_VERSION: |
4fa52141 VD |
1654 | return ssl_set_version_bound(s->ctx->method->version, (int)larg, |
1655 | &s->min_proto_version); | |
7946ab33 | 1656 | case SSL_CTRL_SET_MAX_PROTO_VERSION: |
4fa52141 VD |
1657 | return ssl_set_version_bound(s->ctx->method->version, (int)larg, |
1658 | &s->max_proto_version); | |
0f113f3e MC |
1659 | default: |
1660 | return (s->method->ssl_ctrl(s, cmd, larg, parg)); | |
1661 | } | |
1662 | } | |
1663 | ||
1664 | long SSL_callback_ctrl(SSL *s, int cmd, void (*fp) (void)) | |
1665 | { | |
1666 | switch (cmd) { | |
1667 | case SSL_CTRL_SET_MSG_CALLBACK: | |
1668 | s->msg_callback = (void (*) | |
1669 | (int write_p, int version, int content_type, | |
1670 | const void *buf, size_t len, SSL *ssl, | |
1671 | void *arg))(fp); | |
1672 | return 1; | |
1673 | ||
1674 | default: | |
1675 | return (s->method->ssl_callback_ctrl(s, cmd, fp)); | |
1676 | } | |
1677 | } | |
d3442bc7 | 1678 | |
3c1d6bbc | 1679 | LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx) |
0f113f3e MC |
1680 | { |
1681 | return ctx->sessions; | |
1682 | } | |
1683 | ||
1684 | long SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg) | |
1685 | { | |
1686 | long l; | |
1687 | /* For some cases with ctx == NULL perform syntax checks */ | |
1688 | if (ctx == NULL) { | |
1689 | switch (cmd) { | |
14536c8c | 1690 | #ifndef OPENSSL_NO_EC |
0f113f3e MC |
1691 | case SSL_CTRL_SET_CURVES_LIST: |
1692 | return tls1_set_curves_list(NULL, NULL, parg); | |
1693 | #endif | |
1694 | case SSL_CTRL_SET_SIGALGS_LIST: | |
1695 | case SSL_CTRL_SET_CLIENT_SIGALGS_LIST: | |
1696 | return tls1_set_sigalgs_list(NULL, parg, 0); | |
1697 | default: | |
1698 | return 0; | |
1699 | } | |
1700 | } | |
1701 | ||
1702 | switch (cmd) { | |
1703 | case SSL_CTRL_GET_READ_AHEAD: | |
1704 | return (ctx->read_ahead); | |
1705 | case SSL_CTRL_SET_READ_AHEAD: | |
1706 | l = ctx->read_ahead; | |
1707 | ctx->read_ahead = larg; | |
1708 | return (l); | |
1709 | ||
1710 | case SSL_CTRL_SET_MSG_CALLBACK_ARG: | |
1711 | ctx->msg_callback_arg = parg; | |
1712 | return 1; | |
1713 | ||
1714 | case SSL_CTRL_GET_MAX_CERT_LIST: | |
1715 | return (ctx->max_cert_list); | |
1716 | case SSL_CTRL_SET_MAX_CERT_LIST: | |
1717 | l = ctx->max_cert_list; | |
1718 | ctx->max_cert_list = larg; | |
1719 | return (l); | |
1720 | ||
1721 | case SSL_CTRL_SET_SESS_CACHE_SIZE: | |
1722 | l = ctx->session_cache_size; | |
1723 | ctx->session_cache_size = larg; | |
1724 | return (l); | |
1725 | case SSL_CTRL_GET_SESS_CACHE_SIZE: | |
1726 | return (ctx->session_cache_size); | |
1727 | case SSL_CTRL_SET_SESS_CACHE_MODE: | |
1728 | l = ctx->session_cache_mode; | |
1729 | ctx->session_cache_mode = larg; | |
1730 | return (l); | |
1731 | case SSL_CTRL_GET_SESS_CACHE_MODE: | |
1732 | return (ctx->session_cache_mode); | |
1733 | ||
1734 | case SSL_CTRL_SESS_NUMBER: | |
1735 | return (lh_SSL_SESSION_num_items(ctx->sessions)); | |
1736 | case SSL_CTRL_SESS_CONNECT: | |
1737 | return (ctx->stats.sess_connect); | |
1738 | case SSL_CTRL_SESS_CONNECT_GOOD: | |
1739 | return (ctx->stats.sess_connect_good); | |
1740 | case SSL_CTRL_SESS_CONNECT_RENEGOTIATE: | |
1741 | return (ctx->stats.sess_connect_renegotiate); | |
1742 | case SSL_CTRL_SESS_ACCEPT: | |
1743 | return (ctx->stats.sess_accept); | |
1744 | case SSL_CTRL_SESS_ACCEPT_GOOD: | |
1745 | return (ctx->stats.sess_accept_good); | |
1746 | case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE: | |
1747 | return (ctx->stats.sess_accept_renegotiate); | |
1748 | case SSL_CTRL_SESS_HIT: | |
1749 | return (ctx->stats.sess_hit); | |
1750 | case SSL_CTRL_SESS_CB_HIT: | |
1751 | return (ctx->stats.sess_cb_hit); | |
1752 | case SSL_CTRL_SESS_MISSES: | |
1753 | return (ctx->stats.sess_miss); | |
1754 | case SSL_CTRL_SESS_TIMEOUTS: | |
1755 | return (ctx->stats.sess_timeout); | |
1756 | case SSL_CTRL_SESS_CACHE_FULL: | |
1757 | return (ctx->stats.sess_cache_full); | |
0f113f3e MC |
1758 | case SSL_CTRL_MODE: |
1759 | return (ctx->mode |= larg); | |
1760 | case SSL_CTRL_CLEAR_MODE: | |
1761 | return (ctx->mode &= ~larg); | |
1762 | case SSL_CTRL_SET_MAX_SEND_FRAGMENT: | |
1763 | if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH) | |
1764 | return 0; | |
1765 | ctx->max_send_fragment = larg; | |
1766 | return 1; | |
1767 | case SSL_CTRL_CERT_FLAGS: | |
1768 | return (ctx->cert->cert_flags |= larg); | |
1769 | case SSL_CTRL_CLEAR_CERT_FLAGS: | |
1770 | return (ctx->cert->cert_flags &= ~larg); | |
7946ab33 | 1771 | case SSL_CTRL_SET_MIN_PROTO_VERSION: |
4fa52141 VD |
1772 | return ssl_set_version_bound(ctx->method->version, (int)larg, |
1773 | &ctx->min_proto_version); | |
7946ab33 | 1774 | case SSL_CTRL_SET_MAX_PROTO_VERSION: |
4fa52141 VD |
1775 | return ssl_set_version_bound(ctx->method->version, (int)larg, |
1776 | &ctx->max_proto_version); | |
0f113f3e MC |
1777 | default: |
1778 | return (ctx->method->ssl_ctx_ctrl(ctx, cmd, larg, parg)); | |
1779 | } | |
1780 | } | |
1781 | ||
1782 | long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp) (void)) | |
1783 | { | |
1784 | switch (cmd) { | |
1785 | case SSL_CTRL_SET_MSG_CALLBACK: | |
1786 | ctx->msg_callback = (void (*) | |
1787 | (int write_p, int version, int content_type, | |
1788 | const void *buf, size_t len, SSL *ssl, | |
1789 | void *arg))(fp); | |
1790 | return 1; | |
1791 | ||
1792 | default: | |
1793 | return (ctx->method->ssl_ctx_callback_ctrl(ctx, cmd, fp)); | |
1794 | } | |
1795 | } | |
d3442bc7 | 1796 | |
ccd86b68 | 1797 | int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b) |
0f113f3e | 1798 | { |
90d9e49a DSH |
1799 | if (a->id > b->id) |
1800 | return 1; | |
1801 | if (a->id < b->id) | |
1802 | return -1; | |
1803 | return 0; | |
0f113f3e MC |
1804 | } |
1805 | ||
1806 | int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, | |
1807 | const SSL_CIPHER *const *bp) | |
1808 | { | |
90d9e49a DSH |
1809 | if ((*ap)->id > (*bp)->id) |
1810 | return 1; | |
1811 | if ((*ap)->id < (*bp)->id) | |
1812 | return -1; | |
1813 | return 0; | |
0f113f3e | 1814 | } |
d02b48c6 | 1815 | |
4f43d0e7 | 1816 | /** return a STACK of the ciphers available for the SSL and in order of |
d02b48c6 | 1817 | * preference */ |
0821bcd4 | 1818 | STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s) |
0f113f3e MC |
1819 | { |
1820 | if (s != NULL) { | |
1821 | if (s->cipher_list != NULL) { | |
1822 | return (s->cipher_list); | |
1823 | } else if ((s->ctx != NULL) && (s->ctx->cipher_list != NULL)) { | |
1824 | return (s->ctx->cipher_list); | |
1825 | } | |
1826 | } | |
1827 | return (NULL); | |
1828 | } | |
1829 | ||
831eef2c NM |
1830 | STACK_OF(SSL_CIPHER) *SSL_get_client_ciphers(const SSL *s) |
1831 | { | |
1832 | if ((s == NULL) || (s->session == NULL) || !s->server) | |
1833 | return NULL; | |
1834 | return s->session->ciphers; | |
1835 | } | |
1836 | ||
8b8e5bed | 1837 | STACK_OF(SSL_CIPHER) *SSL_get1_supported_ciphers(SSL *s) |
0f113f3e MC |
1838 | { |
1839 | STACK_OF(SSL_CIPHER) *sk = NULL, *ciphers; | |
1840 | int i; | |
1841 | ciphers = SSL_get_ciphers(s); | |
1842 | if (!ciphers) | |
1843 | return NULL; | |
1844 | ssl_set_client_disabled(s); | |
1845 | for (i = 0; i < sk_SSL_CIPHER_num(ciphers); i++) { | |
1846 | const SSL_CIPHER *c = sk_SSL_CIPHER_value(ciphers, i); | |
1847 | if (!ssl_cipher_disabled(s, c, SSL_SECOP_CIPHER_SUPPORTED)) { | |
1848 | if (!sk) | |
1849 | sk = sk_SSL_CIPHER_new_null(); | |
1850 | if (!sk) | |
1851 | return NULL; | |
1852 | if (!sk_SSL_CIPHER_push(sk, c)) { | |
1853 | sk_SSL_CIPHER_free(sk); | |
1854 | return NULL; | |
1855 | } | |
1856 | } | |
1857 | } | |
1858 | return sk; | |
1859 | } | |
8b8e5bed | 1860 | |
4f43d0e7 | 1861 | /** return a STACK of the ciphers available for the SSL and in order of |
d02b48c6 | 1862 | * algorithm id */ |
f73e07cf | 1863 | STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s) |
0f113f3e MC |
1864 | { |
1865 | if (s != NULL) { | |
1866 | if (s->cipher_list_by_id != NULL) { | |
1867 | return (s->cipher_list_by_id); | |
1868 | } else if ((s->ctx != NULL) && (s->ctx->cipher_list_by_id != NULL)) { | |
1869 | return (s->ctx->cipher_list_by_id); | |
1870 | } | |
1871 | } | |
1872 | return (NULL); | |
1873 | } | |
d02b48c6 | 1874 | |
4f43d0e7 | 1875 | /** The old interface to get the same thing as SSL_get_ciphers() */ |
0f113f3e MC |
1876 | const char *SSL_get_cipher_list(const SSL *s, int n) |
1877 | { | |
4a640fb6 | 1878 | const SSL_CIPHER *c; |
0f113f3e MC |
1879 | STACK_OF(SSL_CIPHER) *sk; |
1880 | ||
1881 | if (s == NULL) | |
1882 | return (NULL); | |
1883 | sk = SSL_get_ciphers(s); | |
1884 | if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n)) | |
1885 | return (NULL); | |
1886 | c = sk_SSL_CIPHER_value(sk, n); | |
1887 | if (c == NULL) | |
1888 | return (NULL); | |
1889 | return (c->name); | |
1890 | } | |
d02b48c6 | 1891 | |
25f923dd | 1892 | /** specify the ciphers to be used by default by the SSL_CTX */ |
018e57c7 | 1893 | int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str) |
0f113f3e MC |
1894 | { |
1895 | STACK_OF(SSL_CIPHER) *sk; | |
1896 | ||
1897 | sk = ssl_create_cipher_list(ctx->method, &ctx->cipher_list, | |
1898 | &ctx->cipher_list_by_id, str, ctx->cert); | |
1899 | /* | |
1900 | * ssl_create_cipher_list may return an empty stack if it was unable to | |
1901 | * find a cipher matching the given rule string (for example if the rule | |
1902 | * string specifies a cipher which has been disabled). This is not an | |
1903 | * error as far as ssl_create_cipher_list is concerned, and hence | |
1904 | * ctx->cipher_list and ctx->cipher_list_by_id has been updated. | |
1905 | */ | |
1906 | if (sk == NULL) | |
1907 | return 0; | |
1908 | else if (sk_SSL_CIPHER_num(sk) == 0) { | |
1909 | SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH); | |
1910 | return 0; | |
1911 | } | |
1912 | return 1; | |
1913 | } | |
d02b48c6 | 1914 | |
4f43d0e7 | 1915 | /** specify the ciphers to be used by the SSL */ |
0f113f3e MC |
1916 | int SSL_set_cipher_list(SSL *s, const char *str) |
1917 | { | |
1918 | STACK_OF(SSL_CIPHER) *sk; | |
1919 | ||
1920 | sk = ssl_create_cipher_list(s->ctx->method, &s->cipher_list, | |
1921 | &s->cipher_list_by_id, str, s->cert); | |
1922 | /* see comment in SSL_CTX_set_cipher_list */ | |
1923 | if (sk == NULL) | |
1924 | return 0; | |
1925 | else if (sk_SSL_CIPHER_num(sk) == 0) { | |
1926 | SSLerr(SSL_F_SSL_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH); | |
1927 | return 0; | |
1928 | } | |
1929 | return 1; | |
1930 | } | |
d02b48c6 | 1931 | |
0f113f3e MC |
1932 | char *SSL_get_shared_ciphers(const SSL *s, char *buf, int len) |
1933 | { | |
1934 | char *p; | |
1935 | STACK_OF(SSL_CIPHER) *sk; | |
4a640fb6 | 1936 | const SSL_CIPHER *c; |
0f113f3e MC |
1937 | int i; |
1938 | ||
1939 | if ((s->session == NULL) || (s->session->ciphers == NULL) || (len < 2)) | |
1940 | return (NULL); | |
1941 | ||
1942 | p = buf; | |
1943 | sk = s->session->ciphers; | |
1944 | ||
1945 | if (sk_SSL_CIPHER_num(sk) == 0) | |
1946 | return NULL; | |
1947 | ||
1948 | for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) { | |
1949 | int n; | |
1950 | ||
1951 | c = sk_SSL_CIPHER_value(sk, i); | |
1952 | n = strlen(c->name); | |
1953 | if (n + 1 > len) { | |
1954 | if (p != buf) | |
1955 | --p; | |
1956 | *p = '\0'; | |
1957 | return buf; | |
1958 | } | |
1959 | strcpy(p, c->name); | |
1960 | p += n; | |
1961 | *(p++) = ':'; | |
1962 | len -= n + 1; | |
1963 | } | |
1964 | p[-1] = '\0'; | |
1965 | return (buf); | |
1966 | } | |
1967 | ||
52b8dad8 | 1968 | /** return a servername extension value if provided in Client Hello, or NULL. |
f1fd4544 | 1969 | * So far, only host_name types are defined (RFC 3546). |
ed3883d2 BM |
1970 | */ |
1971 | ||
f1fd4544 | 1972 | const char *SSL_get_servername(const SSL *s, const int type) |
0f113f3e MC |
1973 | { |
1974 | if (type != TLSEXT_NAMETYPE_host_name) | |
1975 | return NULL; | |
a13c20f6 | 1976 | |
0f113f3e MC |
1977 | return s->session && !s->tlsext_hostname ? |
1978 | s->session->tlsext_hostname : s->tlsext_hostname; | |
1979 | } | |
ed3883d2 | 1980 | |
f1fd4544 | 1981 | int SSL_get_servername_type(const SSL *s) |
0f113f3e MC |
1982 | { |
1983 | if (s->session | |
1984 | && (!s->tlsext_hostname ? s->session-> | |
1985 | tlsext_hostname : s->tlsext_hostname)) | |
1986 | return TLSEXT_NAMETYPE_host_name; | |
1987 | return -1; | |
1988 | } | |
ee2ffc27 | 1989 | |
0f113f3e MC |
1990 | /* |
1991 | * SSL_select_next_proto implements the standard protocol selection. It is | |
ee2ffc27 | 1992 | * expected that this function is called from the callback set by |
0f113f3e MC |
1993 | * SSL_CTX_set_next_proto_select_cb. The protocol data is assumed to be a |
1994 | * vector of 8-bit, length prefixed byte strings. The length byte itself is | |
1995 | * not included in the length. A byte string of length 0 is invalid. No byte | |
1996 | * string may be truncated. The current, but experimental algorithm for | |
1997 | * selecting the protocol is: 1) If the server doesn't support NPN then this | |
1998 | * is indicated to the callback. In this case, the client application has to | |
1999 | * abort the connection or have a default application level protocol. 2) If | |
2000 | * the server supports NPN, but advertises an empty list then the client | |
2001 | * selects the first protcol in its list, but indicates via the API that this | |
2002 | * fallback case was enacted. 3) Otherwise, the client finds the first | |
2003 | * protocol in the server's list that it supports and selects this protocol. | |
2004 | * This is because it's assumed that the server has better information about | |
2005 | * which protocol a client should use. 4) If the client doesn't support any | |
2006 | * of the server's advertised protocols, then this is treated the same as | |
2007 | * case 2. It returns either OPENSSL_NPN_NEGOTIATED if a common protocol was | |
2008 | * found, or OPENSSL_NPN_NO_OVERLAP if the fallback case was reached. | |
ee2ffc27 | 2009 | */ |
0f113f3e MC |
2010 | int SSL_select_next_proto(unsigned char **out, unsigned char *outlen, |
2011 | const unsigned char *server, | |
2012 | unsigned int server_len, | |
2013 | const unsigned char *client, | |
2014 | unsigned int client_len) | |
2015 | { | |
2016 | unsigned int i, j; | |
2017 | const unsigned char *result; | |
2018 | int status = OPENSSL_NPN_UNSUPPORTED; | |
2019 | ||
2020 | /* | |
2021 | * For each protocol in server preference order, see if we support it. | |
2022 | */ | |
2023 | for (i = 0; i < server_len;) { | |
2024 | for (j = 0; j < client_len;) { | |
2025 | if (server[i] == client[j] && | |
2026 | memcmp(&server[i + 1], &client[j + 1], server[i]) == 0) { | |
2027 | /* We found a match */ | |
2028 | result = &server[i]; | |
2029 | status = OPENSSL_NPN_NEGOTIATED; | |
2030 | goto found; | |
2031 | } | |
2032 | j += client[j]; | |
2033 | j++; | |
2034 | } | |
2035 | i += server[i]; | |
2036 | i++; | |
2037 | } | |
2038 | ||
2039 | /* There's no overlap between our protocols and the server's list. */ | |
2040 | result = client; | |
2041 | status = OPENSSL_NPN_NO_OVERLAP; | |
2042 | ||
2043 | found: | |
2044 | *out = (unsigned char *)result + 1; | |
2045 | *outlen = result[0]; | |
2046 | return status; | |
2047 | } | |
ee2ffc27 | 2048 | |
e481f9b9 | 2049 | #ifndef OPENSSL_NO_NEXTPROTONEG |
0f113f3e MC |
2050 | /* |
2051 | * SSL_get0_next_proto_negotiated sets *data and *len to point to the | |
2052 | * client's requested protocol for this connection and returns 0. If the | |
2053 | * client didn't request any protocol, then *data is set to NULL. Note that | |
2054 | * the client can request any protocol it chooses. The value returned from | |
2055 | * this function need not be a member of the list of supported protocols | |
ee2ffc27 BL |
2056 | * provided by the callback. |
2057 | */ | |
0f113f3e MC |
2058 | void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data, |
2059 | unsigned *len) | |
2060 | { | |
2061 | *data = s->next_proto_negotiated; | |
2062 | if (!*data) { | |
2063 | *len = 0; | |
2064 | } else { | |
2065 | *len = s->next_proto_negotiated_len; | |
2066 | } | |
2067 | } | |
2068 | ||
2069 | /* | |
2070 | * SSL_CTX_set_next_protos_advertised_cb sets a callback that is called when | |
2071 | * a TLS server needs a list of supported protocols for Next Protocol | |
2072 | * Negotiation. The returned list must be in wire format. The list is | |
2073 | * returned by setting |out| to point to it and |outlen| to its length. This | |
2074 | * memory will not be modified, but one should assume that the SSL* keeps a | |
2075 | * reference to it. The callback should return SSL_TLSEXT_ERR_OK if it | |
2076 | * wishes to advertise. Otherwise, no such extension will be included in the | |
2077 | * ServerHello. | |
2078 | */ | |
2079 | void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *ctx, | |
2080 | int (*cb) (SSL *ssl, | |
2081 | const unsigned char | |
2082 | **out, | |
2083 | unsigned int *outlen, | |
2084 | void *arg), void *arg) | |
2085 | { | |
2086 | ctx->next_protos_advertised_cb = cb; | |
2087 | ctx->next_protos_advertised_cb_arg = arg; | |
2088 | } | |
2089 | ||
2090 | /* | |
2091 | * SSL_CTX_set_next_proto_select_cb sets a callback that is called when a | |
ee2ffc27 BL |
2092 | * client needs to select a protocol from the server's provided list. |out| |
2093 | * must be set to point to the selected protocol (which may be within |in|). | |
0f113f3e MC |
2094 | * The length of the protocol name must be written into |outlen|. The |
2095 | * server's advertised protocols are provided in |in| and |inlen|. The | |
2096 | * callback can assume that |in| is syntactically valid. The client must | |
2097 | * select a protocol. It is fatal to the connection if this callback returns | |
2098 | * a value other than SSL_TLSEXT_ERR_OK. | |
ee2ffc27 | 2099 | */ |
0f113f3e MC |
2100 | void SSL_CTX_set_next_proto_select_cb(SSL_CTX *ctx, |
2101 | int (*cb) (SSL *s, unsigned char **out, | |
2102 | unsigned char *outlen, | |
2103 | const unsigned char *in, | |
2104 | unsigned int inlen, | |
2105 | void *arg), void *arg) | |
2106 | { | |
2107 | ctx->next_proto_select_cb = cb; | |
2108 | ctx->next_proto_select_cb_arg = arg; | |
2109 | } | |
e481f9b9 | 2110 | #endif |
a398f821 | 2111 | |
0f113f3e MC |
2112 | /* |
2113 | * SSL_CTX_set_alpn_protos sets the ALPN protocol list on |ctx| to |protos|. | |
6f017a8f | 2114 | * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit |
0f113f3e MC |
2115 | * length-prefixed strings). Returns 0 on success. |
2116 | */ | |
2117 | int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char *protos, | |
2118 | unsigned protos_len) | |
2119 | { | |
25aaa98a | 2120 | OPENSSL_free(ctx->alpn_client_proto_list); |
0f113f3e | 2121 | ctx->alpn_client_proto_list = OPENSSL_malloc(protos_len); |
a71edf3b | 2122 | if (ctx->alpn_client_proto_list == NULL) |
0f113f3e MC |
2123 | return 1; |
2124 | memcpy(ctx->alpn_client_proto_list, protos, protos_len); | |
2125 | ctx->alpn_client_proto_list_len = protos_len; | |
2126 | ||
2127 | return 0; | |
2128 | } | |
2129 | ||
2130 | /* | |
2131 | * SSL_set_alpn_protos sets the ALPN protocol list on |ssl| to |protos|. | |
6f017a8f | 2132 | * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit |
0f113f3e MC |
2133 | * length-prefixed strings). Returns 0 on success. |
2134 | */ | |
2135 | int SSL_set_alpn_protos(SSL *ssl, const unsigned char *protos, | |
2136 | unsigned protos_len) | |
2137 | { | |
25aaa98a | 2138 | OPENSSL_free(ssl->alpn_client_proto_list); |
0f113f3e | 2139 | ssl->alpn_client_proto_list = OPENSSL_malloc(protos_len); |
a71edf3b | 2140 | if (ssl->alpn_client_proto_list == NULL) |
0f113f3e MC |
2141 | return 1; |
2142 | memcpy(ssl->alpn_client_proto_list, protos, protos_len); | |
2143 | ssl->alpn_client_proto_list_len = protos_len; | |
2144 | ||
2145 | return 0; | |
2146 | } | |
2147 | ||
2148 | /* | |
2149 | * SSL_CTX_set_alpn_select_cb sets a callback function on |ctx| that is | |
2150 | * called during ClientHello processing in order to select an ALPN protocol | |
2151 | * from the client's list of offered protocols. | |
2152 | */ | |
2153 | void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx, | |
2154 | int (*cb) (SSL *ssl, | |
2155 | const unsigned char **out, | |
2156 | unsigned char *outlen, | |
2157 | const unsigned char *in, | |
2158 | unsigned int inlen, | |
2159 | void *arg), void *arg) | |
2160 | { | |
2161 | ctx->alpn_select_cb = cb; | |
2162 | ctx->alpn_select_cb_arg = arg; | |
2163 | } | |
2164 | ||
2165 | /* | |
2166 | * SSL_get0_alpn_selected gets the selected ALPN protocol (if any) from | |
2167 | * |ssl|. On return it sets |*data| to point to |*len| bytes of protocol name | |
2168 | * (not including the leading length-prefix byte). If the server didn't | |
2169 | * respond with a negotiated protocol then |*len| will be zero. | |
2170 | */ | |
6f017a8f | 2171 | void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data, |
0f113f3e MC |
2172 | unsigned *len) |
2173 | { | |
2174 | *data = NULL; | |
2175 | if (ssl->s3) | |
2176 | *data = ssl->s3->alpn_selected; | |
2177 | if (*data == NULL) | |
2178 | *len = 0; | |
2179 | else | |
2180 | *len = ssl->s3->alpn_selected_len; | |
2181 | } | |
2182 | ||
f1fd4544 | 2183 | |
74b4b494 | 2184 | int SSL_export_keying_material(SSL *s, unsigned char *out, size_t olen, |
0f113f3e MC |
2185 | const char *label, size_t llen, |
2186 | const unsigned char *p, size_t plen, | |
2187 | int use_context) | |
2188 | { | |
2189 | if (s->version < TLS1_VERSION) | |
2190 | return -1; | |
e0af0405 | 2191 | |
0f113f3e MC |
2192 | return s->method->ssl3_enc->export_keying_material(s, out, olen, label, |
2193 | llen, p, plen, | |
2194 | use_context); | |
2195 | } | |
e0af0405 | 2196 | |
3c1d6bbc | 2197 | static unsigned long ssl_session_hash(const SSL_SESSION *a) |
0f113f3e MC |
2198 | { |
2199 | unsigned long l; | |
2200 | ||
2201 | l = (unsigned long) | |
2202 | ((unsigned int)a->session_id[0]) | | |
2203 | ((unsigned int)a->session_id[1] << 8L) | | |
2204 | ((unsigned long)a->session_id[2] << 16L) | | |
2205 | ((unsigned long)a->session_id[3] << 24L); | |
2206 | return (l); | |
2207 | } | |
2208 | ||
2209 | /* | |
2210 | * NB: If this function (or indeed the hash function which uses a sort of | |
dc644fe2 | 2211 | * coarser function than this one) is changed, ensure |
0f113f3e MC |
2212 | * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on |
2213 | * being able to construct an SSL_SESSION that will collide with any existing | |
2214 | * session with a matching session ID. | |
2215 | */ | |
2216 | static int ssl_session_cmp(const SSL_SESSION *a, const SSL_SESSION *b) | |
2217 | { | |
2218 | if (a->ssl_version != b->ssl_version) | |
2219 | return (1); | |
2220 | if (a->session_id_length != b->session_id_length) | |
2221 | return (1); | |
2222 | return (memcmp(a->session_id, b->session_id, a->session_id_length)); | |
2223 | } | |
2224 | ||
2225 | /* | |
2226 | * These wrapper functions should remain rather than redeclaring | |
d0fa136c | 2227 | * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each |
0f113f3e MC |
2228 | * variable. The reason is that the functions aren't static, they're exposed |
2229 | * via ssl.h. | |
2230 | */ | |
97b17195 | 2231 | |
4ebb342f | 2232 | SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth) |
0f113f3e MC |
2233 | { |
2234 | SSL_CTX *ret = NULL; | |
2235 | ||
2236 | if (meth == NULL) { | |
2237 | SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_NULL_SSL_METHOD_PASSED); | |
2238 | return (NULL); | |
2239 | } | |
2240 | ||
2241 | if (FIPS_mode() && (meth->version < TLS1_VERSION)) { | |
4fa52141 | 2242 | SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_AT_LEAST_TLS_1_0_NEEDED_IN_FIPS_MODE); |
0f113f3e MC |
2243 | return NULL; |
2244 | } | |
2245 | ||
2246 | if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) { | |
2247 | SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS); | |
2248 | goto err; | |
2249 | } | |
b51bce94 | 2250 | ret = OPENSSL_zalloc(sizeof(*ret)); |
0f113f3e MC |
2251 | if (ret == NULL) |
2252 | goto err; | |
2253 | ||
0f113f3e | 2254 | ret->method = meth; |
7946ab33 KR |
2255 | ret->min_proto_version = 0; |
2256 | ret->max_proto_version = 0; | |
0f113f3e MC |
2257 | ret->session_cache_mode = SSL_SESS_CACHE_SERVER; |
2258 | ret->session_cache_size = SSL_SESSION_CACHE_MAX_SIZE_DEFAULT; | |
64b25758 | 2259 | /* We take the system default. */ |
0f113f3e | 2260 | ret->session_timeout = meth->get_timeout(); |
0f113f3e | 2261 | ret->references = 1; |
0f113f3e | 2262 | ret->max_cert_list = SSL_MAX_CERT_LIST_DEFAULT; |
0f113f3e | 2263 | ret->verify_mode = SSL_VERIFY_NONE; |
0f113f3e MC |
2264 | if ((ret->cert = ssl_cert_new()) == NULL) |
2265 | goto err; | |
2266 | ||
62d0577e | 2267 | ret->sessions = lh_SSL_SESSION_new(ssl_session_hash, ssl_session_cmp); |
0f113f3e MC |
2268 | if (ret->sessions == NULL) |
2269 | goto err; | |
2270 | ret->cert_store = X509_STORE_new(); | |
2271 | if (ret->cert_store == NULL) | |
2272 | goto err; | |
2273 | ||
61986d32 | 2274 | if (!ssl_create_cipher_list(ret->method, |
0f113f3e | 2275 | &ret->cipher_list, &ret->cipher_list_by_id, |
69f68237 MC |
2276 | SSL_DEFAULT_CIPHER_LIST, ret->cert) |
2277 | || sk_SSL_CIPHER_num(ret->cipher_list) <= 0) { | |
0f113f3e MC |
2278 | SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_LIBRARY_HAS_NO_CIPHERS); |
2279 | goto err2; | |
2280 | } | |
2281 | ||
2282 | ret->param = X509_VERIFY_PARAM_new(); | |
a71edf3b | 2283 | if (ret->param == NULL) |
0f113f3e MC |
2284 | goto err; |
2285 | ||
2286 | if ((ret->md5 = EVP_get_digestbyname("ssl3-md5")) == NULL) { | |
2287 | SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES); | |
2288 | goto err2; | |
2289 | } | |
2290 | if ((ret->sha1 = EVP_get_digestbyname("ssl3-sha1")) == NULL) { | |
2291 | SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES); | |
2292 | goto err2; | |
2293 | } | |
2294 | ||
2295 | if ((ret->client_CA = sk_X509_NAME_new_null()) == NULL) | |
2296 | goto err; | |
2297 | ||
2298 | CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data); | |
2299 | ||
0f113f3e MC |
2300 | /* No compression for DTLS */ |
2301 | if (!(meth->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS)) | |
2302 | ret->comp_methods = SSL_COMP_get_compression_methods(); | |
2303 | ||
2304 | ret->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; | |
566dda07 | 2305 | |
0f113f3e | 2306 | /* Setup RFC4507 ticket keys */ |
266483d2 | 2307 | if ((RAND_bytes(ret->tlsext_tick_key_name, 16) <= 0) |
0f113f3e MC |
2308 | || (RAND_bytes(ret->tlsext_tick_hmac_key, 16) <= 0) |
2309 | || (RAND_bytes(ret->tlsext_tick_aes_key, 16) <= 0)) | |
2310 | ret->options |= SSL_OP_NO_TICKET; | |
6434abbf | 2311 | |
edc032b5 | 2312 | #ifndef OPENSSL_NO_SRP |
61986d32 | 2313 | if (!SSL_CTX_SRP_CTX_init(ret)) |
69f68237 | 2314 | goto err; |
edc032b5 | 2315 | #endif |
4db9677b | 2316 | #ifndef OPENSSL_NO_ENGINE |
0f113f3e MC |
2317 | # ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO |
2318 | # define eng_strx(x) #x | |
2319 | # define eng_str(x) eng_strx(x) | |
2320 | /* Use specific client engine automatically... ignore errors */ | |
2321 | { | |
2322 | ENGINE *eng; | |
2323 | eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO)); | |
2324 | if (!eng) { | |
2325 | ERR_clear_error(); | |
2326 | ENGINE_load_builtin_engines(); | |
2327 | eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO)); | |
2328 | } | |
2329 | if (!eng || !SSL_CTX_set_client_cert_engine(ret, eng)) | |
2330 | ERR_clear_error(); | |
2331 | } | |
2332 | # endif | |
2333 | #endif | |
2334 | /* | |
2335 | * Default is to connect to non-RI servers. When RI is more widely | |
2336 | * deployed might change this. | |
2337 | */ | |
2338 | ret->options |= SSL_OP_LEGACY_SERVER_CONNECT; | |
2339 | ||
2340 | return (ret); | |
2341 | err: | |
2342 | SSLerr(SSL_F_SSL_CTX_NEW, ERR_R_MALLOC_FAILURE); | |
2343 | err2: | |
e0e920b1 | 2344 | SSL_CTX_free(ret); |
0f113f3e MC |
2345 | return (NULL); |
2346 | } | |
d02b48c6 | 2347 | |
4f43d0e7 | 2348 | void SSL_CTX_free(SSL_CTX *a) |
0f113f3e MC |
2349 | { |
2350 | int i; | |
d02b48c6 | 2351 | |
0f113f3e MC |
2352 | if (a == NULL) |
2353 | return; | |
d02b48c6 | 2354 | |
0f113f3e | 2355 | i = CRYPTO_add(&a->references, -1, CRYPTO_LOCK_SSL_CTX); |
58964a49 | 2356 | #ifdef REF_PRINT |
0f113f3e | 2357 | REF_PRINT("SSL_CTX", a); |
58964a49 | 2358 | #endif |
0f113f3e MC |
2359 | if (i > 0) |
2360 | return; | |
d02b48c6 | 2361 | #ifdef REF_CHECK |
0f113f3e MC |
2362 | if (i < 0) { |
2363 | fprintf(stderr, "SSL_CTX_free, bad reference count\n"); | |
2364 | abort(); /* ok */ | |
2365 | } | |
2366 | #endif | |
2367 | ||
222561fe | 2368 | X509_VERIFY_PARAM_free(a->param); |
919ba009 | 2369 | dane_ctx_final(&a->dane); |
0f113f3e MC |
2370 | |
2371 | /* | |
2372 | * Free internal session cache. However: the remove_cb() may reference | |
2373 | * the ex_data of SSL_CTX, thus the ex_data store can only be removed | |
2374 | * after the sessions were flushed. | |
2375 | * As the ex_data handling routines might also touch the session cache, | |
2376 | * the most secure solution seems to be: empty (flush) the cache, then | |
2377 | * free ex_data, then finally free the cache. | |
2378 | * (See ticket [openssl.org #212].) | |
2379 | */ | |
2380 | if (a->sessions != NULL) | |
2381 | SSL_CTX_flush_sessions(a, 0); | |
2382 | ||
2383 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data); | |
25aaa98a | 2384 | lh_SSL_SESSION_free(a->sessions); |
222561fe | 2385 | X509_STORE_free(a->cert_store); |
25aaa98a RS |
2386 | sk_SSL_CIPHER_free(a->cipher_list); |
2387 | sk_SSL_CIPHER_free(a->cipher_list_by_id); | |
e0e920b1 | 2388 | ssl_cert_free(a->cert); |
222561fe RS |
2389 | sk_X509_NAME_pop_free(a->client_CA, X509_NAME_free); |
2390 | sk_X509_pop_free(a->extra_certs, X509_free); | |
0f113f3e | 2391 | a->comp_methods = NULL; |
e783bae2 | 2392 | #ifndef OPENSSL_NO_SRTP |
25aaa98a | 2393 | sk_SRTP_PROTECTION_PROFILE_free(a->srtp_profiles); |
e783bae2 | 2394 | #endif |
edc032b5 | 2395 | #ifndef OPENSSL_NO_SRP |
0f113f3e | 2396 | SSL_CTX_SRP_CTX_free(a); |
edc032b5 | 2397 | #endif |
bdfe932d | 2398 | #ifndef OPENSSL_NO_ENGINE |
0f113f3e MC |
2399 | if (a->client_cert_engine) |
2400 | ENGINE_finish(a->client_cert_engine); | |
ddac1974 | 2401 | #endif |
8671b898 | 2402 | |
e481f9b9 | 2403 | #ifndef OPENSSL_NO_EC |
25aaa98a RS |
2404 | OPENSSL_free(a->tlsext_ecpointformatlist); |
2405 | OPENSSL_free(a->tlsext_ellipticcurvelist); | |
8671b898 | 2406 | #endif |
e481f9b9 | 2407 | OPENSSL_free(a->alpn_client_proto_list); |
8671b898 | 2408 | |
0f113f3e MC |
2409 | OPENSSL_free(a); |
2410 | } | |
d02b48c6 | 2411 | |
3ae76679 | 2412 | void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb) |
0f113f3e MC |
2413 | { |
2414 | ctx->default_passwd_callback = cb; | |
2415 | } | |
2416 | ||
2417 | void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u) | |
2418 | { | |
2419 | ctx->default_passwd_callback_userdata = u; | |
2420 | } | |
2421 | ||
a974e64a MC |
2422 | void SSL_set_default_passwd_cb(SSL *s, pem_password_cb *cb) |
2423 | { | |
2424 | s->default_passwd_callback = cb; | |
2425 | } | |
2426 | ||
2427 | void SSL_set_default_passwd_cb_userdata(SSL *s, void *u) | |
2428 | { | |
2429 | s->default_passwd_callback_userdata = u; | |
2430 | } | |
2431 | ||
0f113f3e MC |
2432 | void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, |
2433 | int (*cb) (X509_STORE_CTX *, void *), | |
2434 | void *arg) | |
2435 | { | |
2436 | ctx->app_verify_callback = cb; | |
2437 | ctx->app_verify_arg = arg; | |
2438 | } | |
2439 | ||
2440 | void SSL_CTX_set_verify(SSL_CTX *ctx, int mode, | |
2441 | int (*cb) (int, X509_STORE_CTX *)) | |
2442 | { | |
2443 | ctx->verify_mode = mode; | |
2444 | ctx->default_verify_callback = cb; | |
2445 | } | |
2446 | ||
2447 | void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth) | |
2448 | { | |
2449 | X509_VERIFY_PARAM_set_depth(ctx->param, depth); | |
2450 | } | |
2451 | ||
2452 | void SSL_CTX_set_cert_cb(SSL_CTX *c, int (*cb) (SSL *ssl, void *arg), | |
2453 | void *arg) | |
2454 | { | |
2455 | ssl_cert_set_cert_cb(c->cert, cb, arg); | |
2456 | } | |
2457 | ||
2458 | void SSL_set_cert_cb(SSL *s, int (*cb) (SSL *ssl, void *arg), void *arg) | |
2459 | { | |
2460 | ssl_cert_set_cert_cb(s->cert, cb, arg); | |
2461 | } | |
18d71588 | 2462 | |
6383d316 | 2463 | void ssl_set_masks(SSL *s, const SSL_CIPHER *cipher) |
0f113f3e | 2464 | { |
60f43e9e | 2465 | #if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_GOST) |
0f113f3e | 2466 | CERT_PKEY *cpk; |
60f43e9e | 2467 | #endif |
6383d316 | 2468 | CERT *c = s->cert; |
f7d53487 | 2469 | uint32_t *pvalid = s->s3->tmp.valid_flags; |
bc71f910 | 2470 | int rsa_enc, rsa_sign, dh_tmp, dsa_sign; |
361a1191 | 2471 | unsigned long mask_k, mask_a; |
10bf4fc2 | 2472 | #ifndef OPENSSL_NO_EC |
361a1191 | 2473 | int have_ecc_cert, ecdsa_ok; |
fe6ef247 | 2474 | int ecdh_ok; |
0f113f3e | 2475 | X509 *x = NULL; |
a8d8e06b | 2476 | int pk_nid = 0, md_nid = 0; |
14536c8c | 2477 | #endif |
0f113f3e MC |
2478 | if (c == NULL) |
2479 | return; | |
d02b48c6 | 2480 | |
bc36ee62 | 2481 | #ifndef OPENSSL_NO_DH |
0f113f3e | 2482 | dh_tmp = (c->dh_tmp != NULL || c->dh_tmp_cb != NULL || c->dh_tmp_auto); |
d02b48c6 | 2483 | #else |
361a1191 | 2484 | dh_tmp = 0; |
d02b48c6 RE |
2485 | #endif |
2486 | ||
6383d316 | 2487 | rsa_enc = pvalid[SSL_PKEY_RSA_ENC] & CERT_PKEY_VALID; |
6383d316 | 2488 | rsa_sign = pvalid[SSL_PKEY_RSA_SIGN] & CERT_PKEY_SIGN; |
6383d316 | 2489 | dsa_sign = pvalid[SSL_PKEY_DSA_SIGN] & CERT_PKEY_SIGN; |
14536c8c | 2490 | #ifndef OPENSSL_NO_EC |
6383d316 | 2491 | have_ecc_cert = pvalid[SSL_PKEY_ECC] & CERT_PKEY_VALID; |
14536c8c | 2492 | #endif |
0f113f3e MC |
2493 | mask_k = 0; |
2494 | mask_a = 0; | |
0e1dba93 | 2495 | |
d02b48c6 | 2496 | #ifdef CIPHER_DEBUG |
0f113f3e | 2497 | fprintf(stderr, |
361a1191 KR |
2498 | "dht=%d re=%d rs=%d ds=%d dhr=%d dhd=%d\n", |
2499 | dh_tmp, rsa_enc, rsa_sign, dsa_sign, dh_rsa, dh_dsa); | |
0f113f3e MC |
2500 | #endif |
2501 | ||
2a9b9654 | 2502 | #ifndef OPENSSL_NO_GOST |
e44380a9 DB |
2503 | cpk = &(c->pkeys[SSL_PKEY_GOST12_512]); |
2504 | if (cpk->x509 != NULL && cpk->privatekey != NULL) { | |
2505 | mask_k |= SSL_kGOST; | |
2506 | mask_a |= SSL_aGOST12; | |
2507 | } | |
2508 | cpk = &(c->pkeys[SSL_PKEY_GOST12_256]); | |
2509 | if (cpk->x509 != NULL && cpk->privatekey != NULL) { | |
2510 | mask_k |= SSL_kGOST; | |
2511 | mask_a |= SSL_aGOST12; | |
2512 | } | |
0f113f3e MC |
2513 | cpk = &(c->pkeys[SSL_PKEY_GOST01]); |
2514 | if (cpk->x509 != NULL && cpk->privatekey != NULL) { | |
2515 | mask_k |= SSL_kGOST; | |
2516 | mask_a |= SSL_aGOST01; | |
2517 | } | |
2a9b9654 | 2518 | #endif |
0f113f3e | 2519 | |
361a1191 | 2520 | if (rsa_enc) |
0f113f3e | 2521 | mask_k |= SSL_kRSA; |
d02b48c6 | 2522 | |
0f113f3e MC |
2523 | if (dh_tmp) |
2524 | mask_k |= SSL_kDHE; | |
d02b48c6 | 2525 | |
0f113f3e MC |
2526 | if (rsa_enc || rsa_sign) { |
2527 | mask_a |= SSL_aRSA; | |
0f113f3e | 2528 | } |
d02b48c6 | 2529 | |
0f113f3e MC |
2530 | if (dsa_sign) { |
2531 | mask_a |= SSL_aDSS; | |
0f113f3e | 2532 | } |
d02b48c6 | 2533 | |
0f113f3e | 2534 | mask_a |= SSL_aNULL; |
d02b48c6 | 2535 | |
0f113f3e MC |
2536 | /* |
2537 | * An ECC certificate may be usable for ECDH and/or ECDSA cipher suites | |
2538 | * depending on the key usage extension. | |
2539 | */ | |
14536c8c | 2540 | #ifndef OPENSSL_NO_EC |
0f113f3e | 2541 | if (have_ecc_cert) { |
a8d8e06b | 2542 | uint32_t ex_kusage; |
0f113f3e MC |
2543 | cpk = &c->pkeys[SSL_PKEY_ECC]; |
2544 | x = cpk->x509; | |
a8d8e06b DSH |
2545 | ex_kusage = X509_get_key_usage(x); |
2546 | ecdh_ok = ex_kusage & X509v3_KU_KEY_AGREEMENT; | |
2547 | ecdsa_ok = ex_kusage & X509v3_KU_DIGITAL_SIGNATURE; | |
6383d316 | 2548 | if (!(pvalid[SSL_PKEY_ECC] & CERT_PKEY_SIGN)) |
0f113f3e | 2549 | ecdsa_ok = 0; |
a8d8e06b | 2550 | OBJ_find_sigid_algs(X509_get_signature_nid(x), &md_nid, &pk_nid); |
0f113f3e MC |
2551 | if (ecdh_ok) { |
2552 | ||
2553 | if (pk_nid == NID_rsaEncryption || pk_nid == NID_rsa) { | |
2554 | mask_k |= SSL_kECDHr; | |
2555 | mask_a |= SSL_aECDH; | |
0f113f3e MC |
2556 | } |
2557 | ||
2558 | if (pk_nid == NID_X9_62_id_ecPublicKey) { | |
2559 | mask_k |= SSL_kECDHe; | |
2560 | mask_a |= SSL_aECDH; | |
0f113f3e MC |
2561 | } |
2562 | } | |
0f113f3e MC |
2563 | if (ecdsa_ok) { |
2564 | mask_a |= SSL_aECDSA; | |
0f113f3e | 2565 | } |
0f113f3e | 2566 | } |
14536c8c | 2567 | #endif |
ea262260 | 2568 | |
10bf4fc2 | 2569 | #ifndef OPENSSL_NO_EC |
fe6ef247 | 2570 | mask_k |= SSL_kECDHE; |
ea262260 | 2571 | #endif |
ddac1974 NL |
2572 | |
2573 | #ifndef OPENSSL_NO_PSK | |
0f113f3e MC |
2574 | mask_k |= SSL_kPSK; |
2575 | mask_a |= SSL_aPSK; | |
526f94ad DSH |
2576 | if (mask_k & SSL_kRSA) |
2577 | mask_k |= SSL_kRSAPSK; | |
2578 | if (mask_k & SSL_kDHE) | |
2579 | mask_k |= SSL_kDHEPSK; | |
2580 | if (mask_k & SSL_kECDHE) | |
2581 | mask_k |= SSL_kECDHEPSK; | |
ddac1974 NL |
2582 | #endif |
2583 | ||
4d69f9e6 DSH |
2584 | s->s3->tmp.mask_k = mask_k; |
2585 | s->s3->tmp.mask_a = mask_a; | |
0f113f3e | 2586 | } |
d02b48c6 | 2587 | |
ef236ec3 DSH |
2588 | #ifndef OPENSSL_NO_EC |
2589 | ||
a2f9200f | 2590 | int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s) |
0f113f3e MC |
2591 | { |
2592 | unsigned long alg_k, alg_a; | |
a8d8e06b | 2593 | int md_nid = 0, pk_nid = 0; |
0f113f3e | 2594 | const SSL_CIPHER *cs = s->s3->tmp.new_cipher; |
a8d8e06b | 2595 | uint32_t ex_kusage = X509_get_key_usage(x); |
0f113f3e MC |
2596 | |
2597 | alg_k = cs->algorithm_mkey; | |
2598 | alg_a = cs->algorithm_auth; | |
2599 | ||
a8d8e06b DSH |
2600 | OBJ_find_sigid_algs(X509_get_signature_nid(x), &md_nid, &pk_nid); |
2601 | ||
0f113f3e MC |
2602 | if (alg_k & SSL_kECDHe || alg_k & SSL_kECDHr) { |
2603 | /* key usage, if present, must allow key agreement */ | |
a8d8e06b | 2604 | if (!(ex_kusage & X509v3_KU_KEY_AGREEMENT)) { |
0f113f3e MC |
2605 | SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, |
2606 | SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT); | |
2607 | return 0; | |
2608 | } | |
2609 | if ((alg_k & SSL_kECDHe) && TLS1_get_version(s) < TLS1_2_VERSION) { | |
2610 | /* signature alg must be ECDSA */ | |
2611 | if (pk_nid != NID_X9_62_id_ecPublicKey) { | |
2612 | SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, | |
2613 | SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE); | |
2614 | return 0; | |
2615 | } | |
2616 | } | |
2617 | if ((alg_k & SSL_kECDHr) && TLS1_get_version(s) < TLS1_2_VERSION) { | |
2618 | /* signature alg must be RSA */ | |
2619 | ||
2620 | if (pk_nid != NID_rsaEncryption && pk_nid != NID_rsa) { | |
2621 | SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, | |
2622 | SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE); | |
2623 | return 0; | |
2624 | } | |
2625 | } | |
2626 | } | |
2627 | if (alg_a & SSL_aECDSA) { | |
2628 | /* key usage, if present, must allow signing */ | |
a8d8e06b | 2629 | if (!(ex_kusage & X509v3_KU_DIGITAL_SIGNATURE)) { |
0f113f3e MC |
2630 | SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, |
2631 | SSL_R_ECC_CERT_NOT_FOR_SIGNING); | |
2632 | return 0; | |
2633 | } | |
2634 | } | |
2635 | ||
2636 | return 1; /* all checks are ok */ | |
2637 | } | |
ea262260 | 2638 | |
ef236ec3 DSH |
2639 | #endif |
2640 | ||
2daceb03 | 2641 | static int ssl_get_server_cert_index(const SSL *s) |
0f113f3e MC |
2642 | { |
2643 | int idx; | |
2644 | idx = ssl_cipher_get_cert_index(s->s3->tmp.new_cipher); | |
2645 | if (idx == SSL_PKEY_RSA_ENC && !s->cert->pkeys[SSL_PKEY_RSA_ENC].x509) | |
2646 | idx = SSL_PKEY_RSA_SIGN; | |
e44380a9 DB |
2647 | if (idx == SSL_PKEY_GOST_EC) { |
2648 | if (s->cert->pkeys[SSL_PKEY_GOST12_512].x509) | |
2649 | idx = SSL_PKEY_GOST12_512; | |
2650 | else if (s->cert->pkeys[SSL_PKEY_GOST12_256].x509) | |
2651 | idx = SSL_PKEY_GOST12_256; | |
2652 | else if (s->cert->pkeys[SSL_PKEY_GOST01].x509) | |
2653 | idx = SSL_PKEY_GOST01; | |
2654 | else | |
2655 | idx = -1; | |
2656 | } | |
0f113f3e MC |
2657 | if (idx == -1) |
2658 | SSLerr(SSL_F_SSL_GET_SERVER_CERT_INDEX, ERR_R_INTERNAL_ERROR); | |
2659 | return idx; | |
2660 | } | |
a9e1c50b | 2661 | |
6383d316 | 2662 | CERT_PKEY *ssl_get_server_send_pkey(SSL *s) |
0f113f3e MC |
2663 | { |
2664 | CERT *c; | |
2665 | int i; | |
ea262260 | 2666 | |
0f113f3e MC |
2667 | c = s->cert; |
2668 | if (!s->s3 || !s->s3->tmp.new_cipher) | |
2669 | return NULL; | |
6383d316 | 2670 | ssl_set_masks(s, s->s3->tmp.new_cipher); |
a9e1c50b | 2671 | |
ed83ba53 | 2672 | #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL |
0f113f3e MC |
2673 | /* |
2674 | * Broken protocol test: return last used certificate: which may mismatch | |
2675 | * the one expected. | |
2676 | */ | |
2677 | if (c->cert_flags & SSL_CERT_FLAG_BROKEN_PROTOCOL) | |
2678 | return c->key; | |
ed83ba53 DSH |
2679 | #endif |
2680 | ||
0f113f3e | 2681 | i = ssl_get_server_cert_index(s); |
a9e1c50b | 2682 | |
0f113f3e MC |
2683 | /* This may or may not be an error. */ |
2684 | if (i < 0) | |
2685 | return NULL; | |
a9e1c50b | 2686 | |
0f113f3e MC |
2687 | /* May be NULL. */ |
2688 | return &c->pkeys[i]; | |
2689 | } | |
d02b48c6 | 2690 | |
0f113f3e MC |
2691 | EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *cipher, |
2692 | const EVP_MD **pmd) | |
2693 | { | |
2694 | unsigned long alg_a; | |
2695 | CERT *c; | |
2696 | int idx = -1; | |
d02b48c6 | 2697 | |
0f113f3e MC |
2698 | alg_a = cipher->algorithm_auth; |
2699 | c = s->cert; | |
d02b48c6 | 2700 | |
ed83ba53 | 2701 | #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL |
0f113f3e MC |
2702 | /* |
2703 | * Broken protocol test: use last key: which may mismatch the one | |
2704 | * expected. | |
2705 | */ | |
2706 | if (c->cert_flags & SSL_CERT_FLAG_BROKEN_PROTOCOL) | |
2707 | idx = c->key - c->pkeys; | |
2708 | else | |
2709 | #endif | |
2710 | ||
2711 | if ((alg_a & SSL_aDSS) && | |
2712 | (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL)) | |
2713 | idx = SSL_PKEY_DSA_SIGN; | |
2714 | else if (alg_a & SSL_aRSA) { | |
2715 | if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL) | |
2716 | idx = SSL_PKEY_RSA_SIGN; | |
2717 | else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL) | |
2718 | idx = SSL_PKEY_RSA_ENC; | |
2719 | } else if ((alg_a & SSL_aECDSA) && | |
2720 | (c->pkeys[SSL_PKEY_ECC].privatekey != NULL)) | |
2721 | idx = SSL_PKEY_ECC; | |
2722 | if (idx == -1) { | |
2723 | SSLerr(SSL_F_SSL_GET_SIGN_PKEY, ERR_R_INTERNAL_ERROR); | |
2724 | return (NULL); | |
2725 | } | |
2726 | if (pmd) | |
d376e57d | 2727 | *pmd = s->s3->tmp.md[idx]; |
0f113f3e MC |
2728 | return c->pkeys[idx].privatekey; |
2729 | } | |
d02b48c6 | 2730 | |
a398f821 | 2731 | int ssl_get_server_cert_serverinfo(SSL *s, const unsigned char **serverinfo, |
0f113f3e MC |
2732 | size_t *serverinfo_length) |
2733 | { | |
2734 | CERT *c = NULL; | |
2735 | int i = 0; | |
2736 | *serverinfo_length = 0; | |
2737 | ||
2738 | c = s->cert; | |
2739 | i = ssl_get_server_cert_index(s); | |
2740 | ||
2741 | if (i == -1) | |
2742 | return 0; | |
2743 | if (c->pkeys[i].serverinfo == NULL) | |
2744 | return 0; | |
2745 | ||
2746 | *serverinfo = c->pkeys[i].serverinfo; | |
2747 | *serverinfo_length = c->pkeys[i].serverinfo_length; | |
2748 | return 1; | |
2749 | } | |
0f113f3e MC |
2750 | |
2751 | void ssl_update_cache(SSL *s, int mode) | |
2752 | { | |
2753 | int i; | |
2754 | ||
2755 | /* | |
2756 | * If the session_id_length is 0, we are not supposed to cache it, and it | |
2757 | * would be rather hard to do anyway :-) | |
2758 | */ | |
2759 | if (s->session->session_id_length == 0) | |
2760 | return; | |
2761 | ||
2762 | i = s->session_ctx->session_cache_mode; | |
2763 | if ((i & mode) && (!s->hit) | |
2764 | && ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE) | |
2765 | || SSL_CTX_add_session(s->session_ctx, s->session)) | |
2766 | && (s->session_ctx->new_session_cb != NULL)) { | |
2767 | CRYPTO_add(&s->session->references, 1, CRYPTO_LOCK_SSL_SESSION); | |
2768 | if (!s->session_ctx->new_session_cb(s, s->session)) | |
2769 | SSL_SESSION_free(s->session); | |
2770 | } | |
2771 | ||
2772 | /* auto flush every 255 connections */ | |
2773 | if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) && ((i & mode) == mode)) { | |
2774 | if ((((mode & SSL_SESS_CACHE_CLIENT) | |
2775 | ? s->session_ctx->stats.sess_connect_good | |
2776 | : s->session_ctx->stats.sess_accept_good) & 0xff) == 0xff) { | |
2777 | SSL_CTX_flush_sessions(s->session_ctx, (unsigned long)time(NULL)); | |
2778 | } | |
2779 | } | |
2780 | } | |
d02b48c6 | 2781 | |
ba168244 | 2782 | const SSL_METHOD *SSL_CTX_get_ssl_method(SSL_CTX *ctx) |
0f113f3e MC |
2783 | { |
2784 | return ctx->method; | |
2785 | } | |
ba168244 | 2786 | |
4ebb342f | 2787 | const SSL_METHOD *SSL_get_ssl_method(SSL *s) |
0f113f3e MC |
2788 | { |
2789 | return (s->method); | |
2790 | } | |
d02b48c6 | 2791 | |
4ebb342f | 2792 | int SSL_set_ssl_method(SSL *s, const SSL_METHOD *meth) |
0f113f3e | 2793 | { |
0f113f3e MC |
2794 | int ret = 1; |
2795 | ||
2796 | if (s->method != meth) { | |
919ba009 VD |
2797 | const SSL_METHOD *sm = s->method; |
2798 | int (*hf)(SSL *) = s->handshake_func; | |
0f113f3e | 2799 | |
919ba009 | 2800 | if (sm->version == meth->version) |
0f113f3e MC |
2801 | s->method = meth; |
2802 | else { | |
919ba009 | 2803 | sm->ssl_free(s); |
0f113f3e MC |
2804 | s->method = meth; |
2805 | ret = s->method->ssl_new(s); | |
2806 | } | |
2807 | ||
919ba009 | 2808 | if (hf == sm->ssl_connect) |
0f113f3e | 2809 | s->handshake_func = meth->ssl_connect; |
919ba009 | 2810 | else if (hf == sm->ssl_accept) |
0f113f3e MC |
2811 | s->handshake_func = meth->ssl_accept; |
2812 | } | |
2813 | return (ret); | |
2814 | } | |
2815 | ||
2816 | int SSL_get_error(const SSL *s, int i) | |
2817 | { | |
2818 | int reason; | |
2819 | unsigned long l; | |
2820 | BIO *bio; | |
2821 | ||
2822 | if (i > 0) | |
2823 | return (SSL_ERROR_NONE); | |
2824 | ||
2825 | /* | |
2826 | * Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake etc, | |
2827 | * where we do encode the error | |
2828 | */ | |
2829 | if ((l = ERR_peek_error()) != 0) { | |
2830 | if (ERR_GET_LIB(l) == ERR_LIB_SYS) | |
2831 | return (SSL_ERROR_SYSCALL); | |
2832 | else | |
2833 | return (SSL_ERROR_SSL); | |
2834 | } | |
2835 | ||
2836 | if ((i < 0) && SSL_want_read(s)) { | |
2837 | bio = SSL_get_rbio(s); | |
2838 | if (BIO_should_read(bio)) | |
2839 | return (SSL_ERROR_WANT_READ); | |
2840 | else if (BIO_should_write(bio)) | |
2841 | /* | |
2842 | * This one doesn't make too much sense ... We never try to write | |
2843 | * to the rbio, and an application program where rbio and wbio | |
2844 | * are separate couldn't even know what it should wait for. | |
2845 | * However if we ever set s->rwstate incorrectly (so that we have | |
2846 | * SSL_want_read(s) instead of SSL_want_write(s)) and rbio and | |
2847 | * wbio *are* the same, this test works around that bug; so it | |
2848 | * might be safer to keep it. | |
2849 | */ | |
2850 | return (SSL_ERROR_WANT_WRITE); | |
2851 | else if (BIO_should_io_special(bio)) { | |
2852 | reason = BIO_get_retry_reason(bio); | |
2853 | if (reason == BIO_RR_CONNECT) | |
2854 | return (SSL_ERROR_WANT_CONNECT); | |
2855 | else if (reason == BIO_RR_ACCEPT) | |
2856 | return (SSL_ERROR_WANT_ACCEPT); | |
2857 | else | |
2858 | return (SSL_ERROR_SYSCALL); /* unknown */ | |
2859 | } | |
2860 | } | |
2861 | ||
2862 | if ((i < 0) && SSL_want_write(s)) { | |
2863 | bio = SSL_get_wbio(s); | |
2864 | if (BIO_should_write(bio)) | |
2865 | return (SSL_ERROR_WANT_WRITE); | |
2866 | else if (BIO_should_read(bio)) | |
2867 | /* | |
2868 | * See above (SSL_want_read(s) with BIO_should_write(bio)) | |
2869 | */ | |
2870 | return (SSL_ERROR_WANT_READ); | |
2871 | else if (BIO_should_io_special(bio)) { | |
2872 | reason = BIO_get_retry_reason(bio); | |
2873 | if (reason == BIO_RR_CONNECT) | |
2874 | return (SSL_ERROR_WANT_CONNECT); | |
2875 | else if (reason == BIO_RR_ACCEPT) | |
2876 | return (SSL_ERROR_WANT_ACCEPT); | |
2877 | else | |
2878 | return (SSL_ERROR_SYSCALL); | |
2879 | } | |
2880 | } | |
2881 | if ((i < 0) && SSL_want_x509_lookup(s)) { | |
2882 | return (SSL_ERROR_WANT_X509_LOOKUP); | |
2883 | } | |
07bbc92c MC |
2884 | if ((i < 0) && SSL_want_async(s)) { |
2885 | return SSL_ERROR_WANT_ASYNC; | |
2886 | } | |
0f113f3e MC |
2887 | |
2888 | if (i == 0) { | |
2889 | if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) && | |
2890 | (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY)) | |
2891 | return (SSL_ERROR_ZERO_RETURN); | |
2892 | } | |
2893 | return (SSL_ERROR_SYSCALL); | |
2894 | } | |
d02b48c6 | 2895 | |
add2f5ca MC |
2896 | static int ssl_do_handshake_intern(void *vargs) |
2897 | { | |
2898 | struct ssl_async_args *args; | |
2899 | SSL *s; | |
2900 | ||
2901 | args = (struct ssl_async_args *)vargs; | |
2902 | s = args->s; | |
2903 | ||
2904 | return s->handshake_func(s); | |
2905 | } | |
2906 | ||
4f43d0e7 | 2907 | int SSL_do_handshake(SSL *s) |
0f113f3e MC |
2908 | { |
2909 | int ret = 1; | |
2910 | ||
2911 | if (s->handshake_func == NULL) { | |
2912 | SSLerr(SSL_F_SSL_DO_HANDSHAKE, SSL_R_CONNECTION_TYPE_NOT_SET); | |
add2f5ca | 2913 | return -1; |
0f113f3e MC |
2914 | } |
2915 | ||
2916 | s->method->ssl_renegotiate_check(s); | |
2917 | ||
2918 | if (SSL_in_init(s) || SSL_in_before(s)) { | |
add2f5ca MC |
2919 | if((s->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
2920 | struct ssl_async_args args; | |
2921 | ||
2922 | args.s = s; | |
2923 | ||
7fecbf6f | 2924 | ret = ssl_start_async_job(s, &args, ssl_do_handshake_intern); |
add2f5ca MC |
2925 | } else { |
2926 | ret = s->handshake_func(s); | |
2927 | } | |
0f113f3e | 2928 | } |
add2f5ca | 2929 | return ret; |
0f113f3e MC |
2930 | } |
2931 | ||
4f43d0e7 | 2932 | void SSL_set_accept_state(SSL *s) |
0f113f3e MC |
2933 | { |
2934 | s->server = 1; | |
2935 | s->shutdown = 0; | |
fe3a3291 | 2936 | ossl_statem_clear(s); |
0f113f3e | 2937 | s->handshake_func = s->method->ssl_accept; |
d31fb0b5 | 2938 | clear_ciphers(s); |
0f113f3e | 2939 | } |
d02b48c6 | 2940 | |
4f43d0e7 | 2941 | void SSL_set_connect_state(SSL *s) |
0f113f3e MC |
2942 | { |
2943 | s->server = 0; | |
2944 | s->shutdown = 0; | |
fe3a3291 | 2945 | ossl_statem_clear(s); |
0f113f3e | 2946 | s->handshake_func = s->method->ssl_connect; |
d31fb0b5 | 2947 | clear_ciphers(s); |
0f113f3e | 2948 | } |
d02b48c6 | 2949 | |
4f43d0e7 | 2950 | int ssl_undefined_function(SSL *s) |
0f113f3e MC |
2951 | { |
2952 | SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
2953 | return (0); | |
2954 | } | |
d02b48c6 | 2955 | |
41a15c4f | 2956 | int ssl_undefined_void_function(void) |
0f113f3e MC |
2957 | { |
2958 | SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION, | |
2959 | ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
2960 | return (0); | |
2961 | } | |
41a15c4f | 2962 | |
0821bcd4 | 2963 | int ssl_undefined_const_function(const SSL *s) |
0f113f3e | 2964 | { |
0f113f3e MC |
2965 | return (0); |
2966 | } | |
0821bcd4 | 2967 | |
4f43d0e7 | 2968 | SSL_METHOD *ssl_bad_method(int ver) |
0f113f3e MC |
2969 | { |
2970 | SSLerr(SSL_F_SSL_BAD_METHOD, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
2971 | return (NULL); | |
2972 | } | |
d02b48c6 | 2973 | |
0821bcd4 | 2974 | const char *SSL_get_version(const SSL *s) |
0f113f3e MC |
2975 | { |
2976 | if (s->version == TLS1_2_VERSION) | |
2977 | return ("TLSv1.2"); | |
2978 | else if (s->version == TLS1_1_VERSION) | |
2979 | return ("TLSv1.1"); | |
2980 | else if (s->version == TLS1_VERSION) | |
2981 | return ("TLSv1"); | |
2982 | else if (s->version == SSL3_VERSION) | |
2983 | return ("SSLv3"); | |
504e643e DW |
2984 | else if (s->version == DTLS1_BAD_VER) |
2985 | return ("DTLSv0.9"); | |
2986 | else if (s->version == DTLS1_VERSION) | |
2987 | return ("DTLSv1"); | |
2988 | else if (s->version == DTLS1_2_VERSION) | |
2989 | return ("DTLSv1.2"); | |
0f113f3e MC |
2990 | else |
2991 | return ("unknown"); | |
2992 | } | |
d02b48c6 | 2993 | |
4f43d0e7 | 2994 | SSL *SSL_dup(SSL *s) |
0f113f3e MC |
2995 | { |
2996 | STACK_OF(X509_NAME) *sk; | |
2997 | X509_NAME *xn; | |
2998 | SSL *ret; | |
2999 | int i; | |
3000 | ||
919ba009 VD |
3001 | /* If we're not quiescent, just up_ref! */ |
3002 | if (!SSL_in_init(s) || !SSL_in_before(s)) { | |
3003 | CRYPTO_add(&s->references, 1, CRYPTO_LOCK_SSL); | |
3004 | return s; | |
3005 | } | |
3006 | ||
3007 | /* | |
3008 | * Otherwise, copy configuration state, and session if set. | |
3009 | */ | |
0f113f3e MC |
3010 | if ((ret = SSL_new(SSL_get_SSL_CTX(s))) == NULL) |
3011 | return (NULL); | |
3012 | ||
0f113f3e | 3013 | if (s->session != NULL) { |
919ba009 VD |
3014 | /* |
3015 | * Arranges to share the same session via up_ref. This "copies" | |
3016 | * session-id, SSL_METHOD, sid_ctx, and 'cert' | |
3017 | */ | |
61986d32 | 3018 | if (!SSL_copy_session_id(ret, s)) |
17dd65e6 | 3019 | goto err; |
0f113f3e MC |
3020 | } else { |
3021 | /* | |
3022 | * No session has been established yet, so we have to expect that | |
3023 | * s->cert or ret->cert will be changed later -- they should not both | |
3024 | * point to the same object, and thus we can't use | |
3025 | * SSL_copy_session_id. | |
3026 | */ | |
919ba009 VD |
3027 | if (!SSL_set_ssl_method(ret, s->method)) |
3028 | goto err; | |
0f113f3e MC |
3029 | |
3030 | if (s->cert != NULL) { | |
e0e920b1 | 3031 | ssl_cert_free(ret->cert); |
0f113f3e MC |
3032 | ret->cert = ssl_cert_dup(s->cert); |
3033 | if (ret->cert == NULL) | |
3034 | goto err; | |
3035 | } | |
3036 | ||
61986d32 | 3037 | if (!SSL_set_session_id_context(ret, s->sid_ctx, s->sid_ctx_length)) |
69f68237 | 3038 | goto err; |
0f113f3e MC |
3039 | } |
3040 | ||
919ba009 VD |
3041 | ssl_dane_dup(ret, s); |
3042 | ret->version = s->version; | |
0f113f3e MC |
3043 | ret->options = s->options; |
3044 | ret->mode = s->mode; | |
3045 | SSL_set_max_cert_list(ret, SSL_get_max_cert_list(s)); | |
3046 | SSL_set_read_ahead(ret, SSL_get_read_ahead(s)); | |
3047 | ret->msg_callback = s->msg_callback; | |
3048 | ret->msg_callback_arg = s->msg_callback_arg; | |
3049 | SSL_set_verify(ret, SSL_get_verify_mode(s), SSL_get_verify_callback(s)); | |
3050 | SSL_set_verify_depth(ret, SSL_get_verify_depth(s)); | |
3051 | ret->generate_session_id = s->generate_session_id; | |
3052 | ||
3053 | SSL_set_info_callback(ret, SSL_get_info_callback(s)); | |
3054 | ||
0f113f3e MC |
3055 | /* copy app data, a little dangerous perhaps */ |
3056 | if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data)) | |
3057 | goto err; | |
3058 | ||
3059 | /* setup rbio, and wbio */ | |
3060 | if (s->rbio != NULL) { | |
3061 | if (!BIO_dup_state(s->rbio, (char *)&ret->rbio)) | |
3062 | goto err; | |
3063 | } | |
3064 | if (s->wbio != NULL) { | |
3065 | if (s->wbio != s->rbio) { | |
3066 | if (!BIO_dup_state(s->wbio, (char *)&ret->wbio)) | |
3067 | goto err; | |
3068 | } else | |
3069 | ret->wbio = ret->rbio; | |
3070 | } | |
919ba009 | 3071 | |
0f113f3e | 3072 | ret->server = s->server; |
919ba009 VD |
3073 | if (s->handshake_func) { |
3074 | if (s->server) | |
3075 | SSL_set_accept_state(ret); | |
3076 | else | |
3077 | SSL_set_connect_state(ret); | |
3078 | } | |
0f113f3e | 3079 | ret->shutdown = s->shutdown; |
0f113f3e MC |
3080 | ret->hit = s->hit; |
3081 | ||
a974e64a MC |
3082 | ret->default_passwd_callback = s->default_passwd_callback; |
3083 | ret->default_passwd_callback_userdata = s->default_passwd_callback_userdata; | |
3084 | ||
0f113f3e MC |
3085 | X509_VERIFY_PARAM_inherit(ret->param, s->param); |
3086 | ||
3087 | /* dup the cipher_list and cipher_list_by_id stacks */ | |
3088 | if (s->cipher_list != NULL) { | |
3089 | if ((ret->cipher_list = sk_SSL_CIPHER_dup(s->cipher_list)) == NULL) | |
3090 | goto err; | |
3091 | } | |
3092 | if (s->cipher_list_by_id != NULL) | |
3093 | if ((ret->cipher_list_by_id = sk_SSL_CIPHER_dup(s->cipher_list_by_id)) | |
3094 | == NULL) | |
3095 | goto err; | |
3096 | ||
3097 | /* Dup the client_CA list */ | |
3098 | if (s->client_CA != NULL) { | |
3099 | if ((sk = sk_X509_NAME_dup(s->client_CA)) == NULL) | |
3100 | goto err; | |
3101 | ret->client_CA = sk; | |
3102 | for (i = 0; i < sk_X509_NAME_num(sk); i++) { | |
3103 | xn = sk_X509_NAME_value(sk, i); | |
3104 | if (sk_X509_NAME_set(sk, i, X509_NAME_dup(xn)) == NULL) { | |
3105 | X509_NAME_free(xn); | |
3106 | goto err; | |
3107 | } | |
3108 | } | |
3109 | } | |
66696478 | 3110 | return ret; |
0f113f3e | 3111 | |
0f113f3e | 3112 | err: |
66696478 RS |
3113 | SSL_free(ret); |
3114 | return NULL; | |
0f113f3e | 3115 | } |
d02b48c6 | 3116 | |
4f43d0e7 | 3117 | void ssl_clear_cipher_ctx(SSL *s) |
0f113f3e MC |
3118 | { |
3119 | if (s->enc_read_ctx != NULL) { | |
846ec07d | 3120 | EVP_CIPHER_CTX_free(s->enc_read_ctx); |
0f113f3e MC |
3121 | s->enc_read_ctx = NULL; |
3122 | } | |
3123 | if (s->enc_write_ctx != NULL) { | |
846ec07d | 3124 | EVP_CIPHER_CTX_free(s->enc_write_ctx); |
0f113f3e MC |
3125 | s->enc_write_ctx = NULL; |
3126 | } | |
09b6c2ef | 3127 | #ifndef OPENSSL_NO_COMP |
efa7dd64 RS |
3128 | COMP_CTX_free(s->expand); |
3129 | s->expand = NULL; | |
3130 | COMP_CTX_free(s->compress); | |
3131 | s->compress = NULL; | |
0f113f3e MC |
3132 | #endif |
3133 | } | |
d02b48c6 | 3134 | |
0821bcd4 | 3135 | X509 *SSL_get_certificate(const SSL *s) |
0f113f3e MC |
3136 | { |
3137 | if (s->cert != NULL) | |
3138 | return (s->cert->key->x509); | |
3139 | else | |
3140 | return (NULL); | |
3141 | } | |
d02b48c6 | 3142 | |
a25f9adc | 3143 | EVP_PKEY *SSL_get_privatekey(const SSL *s) |
0f113f3e MC |
3144 | { |
3145 | if (s->cert != NULL) | |
3146 | return (s->cert->key->privatekey); | |
3147 | else | |
3148 | return (NULL); | |
3149 | } | |
d02b48c6 | 3150 | |
a25f9adc | 3151 | X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx) |
0f113f3e MC |
3152 | { |
3153 | if (ctx->cert != NULL) | |
3154 | return ctx->cert->key->x509; | |
3155 | else | |
3156 | return NULL; | |
3157 | } | |
a25f9adc DSH |
3158 | |
3159 | EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx) | |
0f113f3e MC |
3160 | { |
3161 | if (ctx->cert != NULL) | |
3162 | return ctx->cert->key->privatekey; | |
3163 | else | |
3164 | return NULL; | |
3165 | } | |
a25f9adc | 3166 | |
babb3798 | 3167 | const SSL_CIPHER *SSL_get_current_cipher(const SSL *s) |
0f113f3e MC |
3168 | { |
3169 | if ((s->session != NULL) && (s->session->cipher != NULL)) | |
3170 | return (s->session->cipher); | |
3171 | return (NULL); | |
3172 | } | |
3173 | ||
377dcdba | 3174 | const COMP_METHOD *SSL_get_current_compression(SSL *s) |
0f113f3e | 3175 | { |
9a555706 RS |
3176 | #ifndef OPENSSL_NO_COMP |
3177 | return s->compress ? COMP_CTX_get_method(s->compress) : NULL; | |
3178 | #else | |
3179 | return NULL; | |
3180 | #endif | |
0f113f3e | 3181 | } |
377dcdba RL |
3182 | |
3183 | const COMP_METHOD *SSL_get_current_expansion(SSL *s) | |
0f113f3e | 3184 | { |
9a555706 RS |
3185 | #ifndef OPENSSL_NO_COMP |
3186 | return s->expand ? COMP_CTX_get_method(s->expand) : NULL; | |
3187 | #else | |
3188 | return NULL; | |
0f113f3e | 3189 | #endif |
9a555706 | 3190 | } |
0f113f3e MC |
3191 | |
3192 | int ssl_init_wbio_buffer(SSL *s, int push) | |
3193 | { | |
3194 | BIO *bbio; | |
3195 | ||
3196 | if (s->bbio == NULL) { | |
3197 | bbio = BIO_new(BIO_f_buffer()); | |
3198 | if (bbio == NULL) | |
3199 | return (0); | |
3200 | s->bbio = bbio; | |
3201 | } else { | |
3202 | bbio = s->bbio; | |
3203 | if (s->bbio == s->wbio) | |
3204 | s->wbio = BIO_pop(s->wbio); | |
3205 | } | |
3206 | (void)BIO_reset(bbio); | |
3207 | /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */ | |
3208 | if (!BIO_set_read_buffer_size(bbio, 1)) { | |
3209 | SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER, ERR_R_BUF_LIB); | |
3210 | return (0); | |
3211 | } | |
3212 | if (push) { | |
3213 | if (s->wbio != bbio) | |
3214 | s->wbio = BIO_push(bbio, s->wbio); | |
3215 | } else { | |
3216 | if (s->wbio == bbio) | |
3217 | s->wbio = BIO_pop(bbio); | |
3218 | } | |
3219 | return (1); | |
3220 | } | |
413c4f45 | 3221 | |
4f43d0e7 | 3222 | void ssl_free_wbio_buffer(SSL *s) |
0f113f3e | 3223 | { |
62adbcee | 3224 | /* callers ensure s is never null */ |
0f113f3e MC |
3225 | if (s->bbio == NULL) |
3226 | return; | |
3227 | ||
3228 | if (s->bbio == s->wbio) { | |
3229 | /* remove buffering */ | |
3230 | s->wbio = BIO_pop(s->wbio); | |
3231 | #ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids | |
3232 | * adding one more preprocessor symbol */ | |
3233 | assert(s->wbio != NULL); | |
3234 | #endif | |
3235 | } | |
3236 | BIO_free(s->bbio); | |
3237 | s->bbio = NULL; | |
3238 | } | |
3239 | ||
3240 | void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode) | |
3241 | { | |
3242 | ctx->quiet_shutdown = mode; | |
3243 | } | |
58964a49 | 3244 | |
0821bcd4 | 3245 | int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx) |
0f113f3e MC |
3246 | { |
3247 | return (ctx->quiet_shutdown); | |
3248 | } | |
58964a49 | 3249 | |
0f113f3e MC |
3250 | void SSL_set_quiet_shutdown(SSL *s, int mode) |
3251 | { | |
3252 | s->quiet_shutdown = mode; | |
3253 | } | |
58964a49 | 3254 | |
0821bcd4 | 3255 | int SSL_get_quiet_shutdown(const SSL *s) |
0f113f3e MC |
3256 | { |
3257 | return (s->quiet_shutdown); | |
3258 | } | |
58964a49 | 3259 | |
0f113f3e MC |
3260 | void SSL_set_shutdown(SSL *s, int mode) |
3261 | { | |
3262 | s->shutdown = mode; | |
3263 | } | |
58964a49 | 3264 | |
0821bcd4 | 3265 | int SSL_get_shutdown(const SSL *s) |
0f113f3e MC |
3266 | { |
3267 | return (s->shutdown); | |
3268 | } | |
58964a49 | 3269 | |
0821bcd4 | 3270 | int SSL_version(const SSL *s) |
0f113f3e MC |
3271 | { |
3272 | return (s->version); | |
3273 | } | |
58964a49 | 3274 | |
0821bcd4 | 3275 | SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl) |
0f113f3e MC |
3276 | { |
3277 | return (ssl->ctx); | |
3278 | } | |
3279 | ||
3280 | SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx) | |
3281 | { | |
24a0d393 | 3282 | CERT *new_cert; |
0f113f3e MC |
3283 | if (ssl->ctx == ctx) |
3284 | return ssl->ctx; | |
0f113f3e MC |
3285 | if (ctx == NULL) |
3286 | ctx = ssl->initial_ctx; | |
24a0d393 KR |
3287 | new_cert = ssl_cert_dup(ctx->cert); |
3288 | if (new_cert == NULL) { | |
3289 | return NULL; | |
0f113f3e | 3290 | } |
24a0d393 KR |
3291 | ssl_cert_free(ssl->cert); |
3292 | ssl->cert = new_cert; | |
0f113f3e MC |
3293 | |
3294 | /* | |
3295 | * Program invariant: |sid_ctx| has fixed size (SSL_MAX_SID_CTX_LENGTH), | |
3296 | * so setter APIs must prevent invalid lengths from entering the system. | |
3297 | */ | |
3298 | OPENSSL_assert(ssl->sid_ctx_length <= sizeof(ssl->sid_ctx)); | |
3299 | ||
3300 | /* | |
3301 | * If the session ID context matches that of the parent SSL_CTX, | |
3302 | * inherit it from the new SSL_CTX as well. If however the context does | |
3303 | * not match (i.e., it was set per-ssl with SSL_set_session_id_context), | |
3304 | * leave it unchanged. | |
3305 | */ | |
3306 | if ((ssl->ctx != NULL) && | |
3307 | (ssl->sid_ctx_length == ssl->ctx->sid_ctx_length) && | |
3308 | (memcmp(ssl->sid_ctx, ssl->ctx->sid_ctx, ssl->sid_ctx_length) == 0)) { | |
3309 | ssl->sid_ctx_length = ctx->sid_ctx_length; | |
3310 | memcpy(&ssl->sid_ctx, &ctx->sid_ctx, sizeof(ssl->sid_ctx)); | |
3311 | } | |
3312 | ||
3313 | CRYPTO_add(&ctx->references, 1, CRYPTO_LOCK_SSL_CTX); | |
e0e920b1 | 3314 | SSL_CTX_free(ssl->ctx); /* decrement reference count */ |
0f113f3e MC |
3315 | ssl->ctx = ctx; |
3316 | ||
3317 | return (ssl->ctx); | |
3318 | } | |
ed3883d2 | 3319 | |
4f43d0e7 | 3320 | int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx) |
0f113f3e MC |
3321 | { |
3322 | return (X509_STORE_set_default_paths(ctx->cert_store)); | |
3323 | } | |
58964a49 | 3324 | |
d84a7b20 MC |
3325 | int SSL_CTX_set_default_verify_dir(SSL_CTX *ctx) |
3326 | { | |
3327 | X509_LOOKUP *lookup; | |
3328 | ||
3329 | lookup = X509_STORE_add_lookup(ctx->cert_store, X509_LOOKUP_hash_dir()); | |
3330 | if (lookup == NULL) | |
3331 | return 0; | |
3332 | X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT); | |
3333 | ||
3334 | /* Clear any errors if the default directory does not exist */ | |
3335 | ERR_clear_error(); | |
3336 | ||
3337 | return 1; | |
3338 | } | |
3339 | ||
3340 | int SSL_CTX_set_default_verify_file(SSL_CTX *ctx) | |
3341 | { | |
3342 | X509_LOOKUP *lookup; | |
3343 | ||
3344 | lookup = X509_STORE_add_lookup(ctx->cert_store, X509_LOOKUP_file()); | |
3345 | if (lookup == NULL) | |
3346 | return 0; | |
3347 | ||
3348 | X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT); | |
3349 | ||
3350 | /* Clear any errors if the default file does not exist */ | |
3351 | ERR_clear_error(); | |
3352 | ||
3353 | return 1; | |
3354 | } | |
3355 | ||
303c0028 | 3356 | int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile, |
0f113f3e MC |
3357 | const char *CApath) |
3358 | { | |
3359 | return (X509_STORE_load_locations(ctx->cert_store, CAfile, CApath)); | |
3360 | } | |
58964a49 | 3361 | |
45d87a1f | 3362 | void SSL_set_info_callback(SSL *ssl, |
0f113f3e MC |
3363 | void (*cb) (const SSL *ssl, int type, int val)) |
3364 | { | |
3365 | ssl->info_callback = cb; | |
3366 | } | |
3367 | ||
3368 | /* | |
3369 | * One compiler (Diab DCC) doesn't like argument names in returned function | |
3370 | * pointer. | |
3371 | */ | |
3372 | void (*SSL_get_info_callback(const SSL *ssl)) (const SSL * /* ssl */ , | |
3373 | int /* type */ , | |
3374 | int /* val */ ) { | |
3375 | return ssl->info_callback; | |
3376 | } | |
58964a49 | 3377 | |
0f113f3e MC |
3378 | void SSL_set_verify_result(SSL *ssl, long arg) |
3379 | { | |
3380 | ssl->verify_result = arg; | |
3381 | } | |
58964a49 | 3382 | |
0821bcd4 | 3383 | long SSL_get_verify_result(const SSL *ssl) |
0f113f3e MC |
3384 | { |
3385 | return (ssl->verify_result); | |
3386 | } | |
3387 | ||
d9f1c639 | 3388 | size_t SSL_get_client_random(const SSL *ssl, unsigned char *out, size_t outlen) |
858618e7 | 3389 | { |
6b8f5d0d | 3390 | if (outlen == 0) |
858618e7 NM |
3391 | return sizeof(ssl->s3->client_random); |
3392 | if (outlen > sizeof(ssl->s3->client_random)) | |
3393 | outlen = sizeof(ssl->s3->client_random); | |
3394 | memcpy(out, ssl->s3->client_random, outlen); | |
d9f1c639 | 3395 | return outlen; |
858618e7 NM |
3396 | } |
3397 | ||
d9f1c639 | 3398 | size_t SSL_get_server_random(const SSL *ssl, unsigned char *out, size_t outlen) |
858618e7 | 3399 | { |
6b8f5d0d | 3400 | if (outlen == 0) |
858618e7 NM |
3401 | return sizeof(ssl->s3->server_random); |
3402 | if (outlen > sizeof(ssl->s3->server_random)) | |
3403 | outlen = sizeof(ssl->s3->server_random); | |
3404 | memcpy(out, ssl->s3->server_random, outlen); | |
d9f1c639 | 3405 | return outlen; |
858618e7 NM |
3406 | } |
3407 | ||
d9f1c639 | 3408 | size_t SSL_SESSION_get_master_key(const SSL_SESSION *session, |
6b8f5d0d | 3409 | unsigned char *out, size_t outlen) |
858618e7 | 3410 | { |
6b8f5d0d MC |
3411 | if (session->master_key_length < 0) { |
3412 | /* Should never happen */ | |
3413 | return 0; | |
3414 | } | |
d9f1c639 MC |
3415 | if (outlen == 0) |
3416 | return session->master_key_length; | |
6b8f5d0d | 3417 | if (outlen > (size_t)session->master_key_length) |
858618e7 NM |
3418 | outlen = session->master_key_length; |
3419 | memcpy(out, session->master_key, outlen); | |
d9f1c639 | 3420 | return outlen; |
858618e7 NM |
3421 | } |
3422 | ||
0f113f3e MC |
3423 | int SSL_set_ex_data(SSL *s, int idx, void *arg) |
3424 | { | |
3425 | return (CRYPTO_set_ex_data(&s->ex_data, idx, arg)); | |
3426 | } | |
3427 | ||
3428 | void *SSL_get_ex_data(const SSL *s, int idx) | |
3429 | { | |
3430 | return (CRYPTO_get_ex_data(&s->ex_data, idx)); | |
3431 | } | |
3432 | ||
0f113f3e MC |
3433 | int SSL_CTX_set_ex_data(SSL_CTX *s, int idx, void *arg) |
3434 | { | |
3435 | return (CRYPTO_set_ex_data(&s->ex_data, idx, arg)); | |
3436 | } | |
3437 | ||
3438 | void *SSL_CTX_get_ex_data(const SSL_CTX *s, int idx) | |
3439 | { | |
3440 | return (CRYPTO_get_ex_data(&s->ex_data, idx)); | |
3441 | } | |
58964a49 | 3442 | |
4f43d0e7 | 3443 | int ssl_ok(SSL *s) |
0f113f3e MC |
3444 | { |
3445 | return (1); | |
3446 | } | |
dfeab068 | 3447 | |
0821bcd4 | 3448 | X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx) |
0f113f3e MC |
3449 | { |
3450 | return (ctx->cert_store); | |
3451 | } | |
413c4f45 | 3452 | |
0f113f3e MC |
3453 | void SSL_CTX_set_cert_store(SSL_CTX *ctx, X509_STORE *store) |
3454 | { | |
222561fe | 3455 | X509_STORE_free(ctx->cert_store); |
0f113f3e MC |
3456 | ctx->cert_store = store; |
3457 | } | |
413c4f45 | 3458 | |
0821bcd4 | 3459 | int SSL_want(const SSL *s) |
0f113f3e MC |
3460 | { |
3461 | return (s->rwstate); | |
3462 | } | |
413c4f45 | 3463 | |
0f113f3e | 3464 | /** |
4f43d0e7 BL |
3465 | * \brief Set the callback for generating temporary DH keys. |
3466 | * \param ctx the SSL context. | |
3467 | * \param dh the callback | |
3468 | */ | |
3469 | ||
bc36ee62 | 3470 | #ifndef OPENSSL_NO_DH |
0f113f3e MC |
3471 | void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx, |
3472 | DH *(*dh) (SSL *ssl, int is_export, | |
3473 | int keylength)) | |
3474 | { | |
3475 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_TMP_DH_CB, (void (*)(void))dh); | |
3476 | } | |
f8c3c05d | 3477 | |
0f113f3e MC |
3478 | void SSL_set_tmp_dh_callback(SSL *ssl, DH *(*dh) (SSL *ssl, int is_export, |
3479 | int keylength)) | |
3480 | { | |
3481 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_TMP_DH_CB, (void (*)(void))dh); | |
3482 | } | |
79df9d62 | 3483 | #endif |
15d21c2d | 3484 | |
ddac1974 NL |
3485 | #ifndef OPENSSL_NO_PSK |
3486 | int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint) | |
0f113f3e MC |
3487 | { |
3488 | if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) { | |
3489 | SSLerr(SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT, | |
3490 | SSL_R_DATA_LENGTH_TOO_LONG); | |
3491 | return 0; | |
3492 | } | |
df6da24b | 3493 | OPENSSL_free(ctx->cert->psk_identity_hint); |
0f113f3e | 3494 | if (identity_hint != NULL) { |
7644a9ae | 3495 | ctx->cert->psk_identity_hint = OPENSSL_strdup(identity_hint); |
df6da24b | 3496 | if (ctx->cert->psk_identity_hint == NULL) |
0f113f3e MC |
3497 | return 0; |
3498 | } else | |
df6da24b | 3499 | ctx->cert->psk_identity_hint = NULL; |
0f113f3e MC |
3500 | return 1; |
3501 | } | |
ddac1974 NL |
3502 | |
3503 | int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint) | |
0f113f3e MC |
3504 | { |
3505 | if (s == NULL) | |
3506 | return 0; | |
3507 | ||
0f113f3e MC |
3508 | if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) { |
3509 | SSLerr(SSL_F_SSL_USE_PSK_IDENTITY_HINT, SSL_R_DATA_LENGTH_TOO_LONG); | |
3510 | return 0; | |
3511 | } | |
df6da24b | 3512 | OPENSSL_free(s->cert->psk_identity_hint); |
0f113f3e | 3513 | if (identity_hint != NULL) { |
7644a9ae | 3514 | s->cert->psk_identity_hint = OPENSSL_strdup(identity_hint); |
df6da24b | 3515 | if (s->cert->psk_identity_hint == NULL) |
0f113f3e MC |
3516 | return 0; |
3517 | } else | |
df6da24b | 3518 | s->cert->psk_identity_hint = NULL; |
0f113f3e MC |
3519 | return 1; |
3520 | } | |
ddac1974 NL |
3521 | |
3522 | const char *SSL_get_psk_identity_hint(const SSL *s) | |
0f113f3e MC |
3523 | { |
3524 | if (s == NULL || s->session == NULL) | |
3525 | return NULL; | |
3526 | return (s->session->psk_identity_hint); | |
3527 | } | |
ddac1974 NL |
3528 | |
3529 | const char *SSL_get_psk_identity(const SSL *s) | |
0f113f3e MC |
3530 | { |
3531 | if (s == NULL || s->session == NULL) | |
3532 | return NULL; | |
3533 | return (s->session->psk_identity); | |
3534 | } | |
7806f3dd | 3535 | |
52b8dad8 | 3536 | void SSL_set_psk_client_callback(SSL *s, |
0f113f3e MC |
3537 | unsigned int (*cb) (SSL *ssl, |
3538 | const char *hint, | |
3539 | char *identity, | |
3540 | unsigned int | |
3541 | max_identity_len, | |
3542 | unsigned char *psk, | |
3543 | unsigned int | |
3544 | max_psk_len)) | |
3545 | { | |
3546 | s->psk_client_callback = cb; | |
3547 | } | |
7806f3dd NL |
3548 | |
3549 | void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx, | |
0f113f3e MC |
3550 | unsigned int (*cb) (SSL *ssl, |
3551 | const char *hint, | |
3552 | char *identity, | |
3553 | unsigned int | |
3554 | max_identity_len, | |
3555 | unsigned char *psk, | |
3556 | unsigned int | |
3557 | max_psk_len)) | |
3558 | { | |
3559 | ctx->psk_client_callback = cb; | |
3560 | } | |
7806f3dd | 3561 | |
52b8dad8 | 3562 | void SSL_set_psk_server_callback(SSL *s, |
0f113f3e MC |
3563 | unsigned int (*cb) (SSL *ssl, |
3564 | const char *identity, | |
3565 | unsigned char *psk, | |
3566 | unsigned int | |
3567 | max_psk_len)) | |
3568 | { | |
3569 | s->psk_server_callback = cb; | |
3570 | } | |
7806f3dd NL |
3571 | |
3572 | void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx, | |
0f113f3e MC |
3573 | unsigned int (*cb) (SSL *ssl, |
3574 | const char *identity, | |
3575 | unsigned char *psk, | |
3576 | unsigned int | |
3577 | max_psk_len)) | |
3578 | { | |
3579 | ctx->psk_server_callback = cb; | |
3580 | } | |
3581 | #endif | |
3582 | ||
3583 | void SSL_CTX_set_msg_callback(SSL_CTX *ctx, | |
3584 | void (*cb) (int write_p, int version, | |
3585 | int content_type, const void *buf, | |
3586 | size_t len, SSL *ssl, void *arg)) | |
3587 | { | |
3588 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb); | |
3589 | } | |
3590 | ||
3591 | void SSL_set_msg_callback(SSL *ssl, | |
3592 | void (*cb) (int write_p, int version, | |
3593 | int content_type, const void *buf, | |
3594 | size_t len, SSL *ssl, void *arg)) | |
3595 | { | |
3596 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb); | |
3597 | } | |
a661b653 | 3598 | |
7c2d4fee | 3599 | void SSL_CTX_set_not_resumable_session_callback(SSL_CTX *ctx, |
0f113f3e MC |
3600 | int (*cb) (SSL *ssl, |
3601 | int | |
3602 | is_forward_secure)) | |
3603 | { | |
3604 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB, | |
3605 | (void (*)(void))cb); | |
3606 | } | |
3607 | ||
7c2d4fee | 3608 | void SSL_set_not_resumable_session_callback(SSL *ssl, |
0f113f3e MC |
3609 | int (*cb) (SSL *ssl, |
3610 | int is_forward_secure)) | |
3611 | { | |
3612 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB, | |
3613 | (void (*)(void))cb); | |
3614 | } | |
3615 | ||
3616 | /* | |
3617 | * Allocates new EVP_MD_CTX and sets pointer to it into given pointer | |
3618 | * vairable, freeing EVP_MD_CTX previously stored in that variable, if any. | |
3619 | * If EVP_MD pointer is passed, initializes ctx with this md Returns newly | |
3620 | * allocated ctx; | |
8671b898 | 3621 | */ |
b948e2c5 | 3622 | |
0f113f3e | 3623 | EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md) |
b948e2c5 | 3624 | { |
0f113f3e | 3625 | ssl_clear_hash_ctx(hash); |
bfb0641f | 3626 | *hash = EVP_MD_CTX_new(); |
5f3d93e4 | 3627 | if (*hash == NULL || (md && EVP_DigestInit_ex(*hash, md, NULL) <= 0)) { |
bfb0641f | 3628 | EVP_MD_CTX_free(*hash); |
5f3d93e4 MC |
3629 | *hash = NULL; |
3630 | return NULL; | |
3631 | } | |
0f113f3e | 3632 | return *hash; |
b948e2c5 | 3633 | } |
0f113f3e MC |
3634 | |
3635 | void ssl_clear_hash_ctx(EVP_MD_CTX **hash) | |
b948e2c5 DSH |
3636 | { |
3637 | ||
0f113f3e | 3638 | if (*hash) |
bfb0641f | 3639 | EVP_MD_CTX_free(*hash); |
0f113f3e | 3640 | *hash = NULL; |
b948e2c5 | 3641 | } |
a661b653 | 3642 | |
48fbcbac DSH |
3643 | /* Retrieve handshake hashes */ |
3644 | int ssl_handshake_hash(SSL *s, unsigned char *out, int outlen) | |
3645 | { | |
6e59a892 | 3646 | EVP_MD_CTX *ctx = NULL; |
28ba2541 DSH |
3647 | EVP_MD_CTX *hdgst = s->s3->handshake_dgst; |
3648 | int ret = EVP_MD_CTX_size(hdgst); | |
28ba2541 DSH |
3649 | if (ret < 0 || ret > outlen) { |
3650 | ret = 0; | |
3651 | goto err; | |
48fbcbac | 3652 | } |
bfb0641f | 3653 | ctx = EVP_MD_CTX_new(); |
6e59a892 RL |
3654 | if (ctx == NULL) { |
3655 | ret = 0; | |
3656 | goto err; | |
3657 | } | |
3658 | if (!EVP_MD_CTX_copy_ex(ctx, hdgst) | |
3659 | || EVP_DigestFinal_ex(ctx, out, NULL) <= 0) | |
28ba2541 | 3660 | ret = 0; |
48fbcbac | 3661 | err: |
bfb0641f | 3662 | EVP_MD_CTX_free(ctx); |
48fbcbac DSH |
3663 | return ret; |
3664 | } | |
3665 | ||
08557cf2 | 3666 | int SSL_cache_hit(SSL *s) |
0f113f3e MC |
3667 | { |
3668 | return s->hit; | |
3669 | } | |
08557cf2 | 3670 | |
87adf1fa | 3671 | int SSL_is_server(SSL *s) |
0f113f3e MC |
3672 | { |
3673 | return s->server; | |
3674 | } | |
87adf1fa | 3675 | |
b362ccab | 3676 | void SSL_set_security_level(SSL *s, int level) |
0f113f3e MC |
3677 | { |
3678 | s->cert->sec_level = level; | |
3679 | } | |
b362ccab DSH |
3680 | |
3681 | int SSL_get_security_level(const SSL *s) | |
0f113f3e MC |
3682 | { |
3683 | return s->cert->sec_level; | |
3684 | } | |
b362ccab | 3685 | |
0f113f3e MC |
3686 | void SSL_set_security_callback(SSL *s, |
3687 | int (*cb) (SSL *s, SSL_CTX *ctx, int op, | |
3688 | int bits, int nid, void *other, | |
3689 | void *ex)) | |
3690 | { | |
3691 | s->cert->sec_cb = cb; | |
3692 | } | |
b362ccab | 3693 | |
0f113f3e MC |
3694 | int (*SSL_get_security_callback(const SSL *s)) (SSL *s, SSL_CTX *ctx, int op, |
3695 | int bits, int nid, | |
3696 | void *other, void *ex) { | |
3697 | return s->cert->sec_cb; | |
3698 | } | |
b362ccab DSH |
3699 | |
3700 | void SSL_set0_security_ex_data(SSL *s, void *ex) | |
0f113f3e MC |
3701 | { |
3702 | s->cert->sec_ex = ex; | |
3703 | } | |
b362ccab DSH |
3704 | |
3705 | void *SSL_get0_security_ex_data(const SSL *s) | |
0f113f3e MC |
3706 | { |
3707 | return s->cert->sec_ex; | |
3708 | } | |
b362ccab DSH |
3709 | |
3710 | void SSL_CTX_set_security_level(SSL_CTX *ctx, int level) | |
0f113f3e MC |
3711 | { |
3712 | ctx->cert->sec_level = level; | |
3713 | } | |
b362ccab DSH |
3714 | |
3715 | int SSL_CTX_get_security_level(const SSL_CTX *ctx) | |
0f113f3e MC |
3716 | { |
3717 | return ctx->cert->sec_level; | |
3718 | } | |
b362ccab | 3719 | |
0f113f3e MC |
3720 | void SSL_CTX_set_security_callback(SSL_CTX *ctx, |
3721 | int (*cb) (SSL *s, SSL_CTX *ctx, int op, | |
3722 | int bits, int nid, void *other, | |
3723 | void *ex)) | |
3724 | { | |
3725 | ctx->cert->sec_cb = cb; | |
3726 | } | |
b362ccab | 3727 | |
0f113f3e MC |
3728 | int (*SSL_CTX_get_security_callback(const SSL_CTX *ctx)) (SSL *s, |
3729 | SSL_CTX *ctx, | |
3730 | int op, int bits, | |
3731 | int nid, | |
3732 | void *other, | |
3733 | void *ex) { | |
3734 | return ctx->cert->sec_cb; | |
3735 | } | |
b362ccab DSH |
3736 | |
3737 | void SSL_CTX_set0_security_ex_data(SSL_CTX *ctx, void *ex) | |
0f113f3e MC |
3738 | { |
3739 | ctx->cert->sec_ex = ex; | |
3740 | } | |
b362ccab DSH |
3741 | |
3742 | void *SSL_CTX_get0_security_ex_data(const SSL_CTX *ctx) | |
0f113f3e MC |
3743 | { |
3744 | return ctx->cert->sec_ex; | |
3745 | } | |
b362ccab | 3746 | |
8106cb8b VD |
3747 | |
3748 | /* | |
3749 | * Get/Set/Clear options in SSL_CTX or SSL, formerly macros, now functions that | |
3750 | * can return unsigned long, instead of the generic long return value from the | |
3751 | * control interface. | |
3752 | */ | |
3753 | unsigned long SSL_CTX_get_options(const SSL_CTX *ctx) | |
3754 | { | |
3755 | return ctx->options; | |
3756 | } | |
3757 | unsigned long SSL_get_options(const SSL* s) | |
3758 | { | |
3759 | return s->options; | |
3760 | } | |
3761 | unsigned long SSL_CTX_set_options(SSL_CTX *ctx, unsigned long op) | |
3762 | { | |
3763 | return ctx->options |= op; | |
3764 | } | |
3765 | unsigned long SSL_set_options(SSL *s, unsigned long op) | |
3766 | { | |
3767 | return s->options |= op; | |
3768 | } | |
3769 | unsigned long SSL_CTX_clear_options(SSL_CTX *ctx, unsigned long op) | |
3770 | { | |
3771 | return ctx->options &= ~op; | |
3772 | } | |
3773 | unsigned long SSL_clear_options(SSL *s, unsigned long op) | |
3774 | { | |
3775 | return s->options &= ~op; | |
3776 | } | |
3777 | ||
0f113f3e | 3778 | IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); |