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eb90a483 | 1 | /*! \file ssl/ssl_cert.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
3 | * All rights reserved. |
4 | * | |
5 | * This package is an SSL implementation written | |
6 | * by Eric Young (eay@cryptsoft.com). | |
7 | * The implementation was written so as to conform with Netscapes SSL. | |
8 | * | |
9 | * This library is free for commercial and non-commercial use as long as | |
10 | * the following conditions are aheared to. The following conditions | |
11 | * apply to all code found in this distribution, be it the RC4, RSA, | |
12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
13 | * included with this distribution is covered by the same copyright terms | |
14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
15 | * | |
16 | * Copyright remains Eric Young's, and as such any Copyright notices in | |
17 | * the code are not to be removed. | |
18 | * If this package is used in a product, Eric Young should be given attribution | |
19 | * as the author of the parts of the library used. | |
20 | * This can be in the form of a textual message at program startup or | |
21 | * in documentation (online or textual) provided with the package. | |
22 | * | |
23 | * Redistribution and use in source and binary forms, with or without | |
24 | * modification, are permitted provided that the following conditions | |
25 | * are met: | |
26 | * 1. Redistributions of source code must retain the copyright | |
27 | * notice, this list of conditions and the following disclaimer. | |
28 | * 2. Redistributions in binary form must reproduce the above copyright | |
29 | * notice, this list of conditions and the following disclaimer in the | |
30 | * documentation and/or other materials provided with the distribution. | |
31 | * 3. All advertising materials mentioning features or use of this software | |
32 | * must display the following acknowledgement: | |
33 | * "This product includes cryptographic software written by | |
34 | * Eric Young (eay@cryptsoft.com)" | |
35 | * The word 'cryptographic' can be left out if the rouines from the library | |
36 | * being used are not cryptographic related :-). | |
37 | * 4. If you include any Windows specific code (or a derivative thereof) from | |
38 | * the apps directory (application code) you must include an acknowledgement: | |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
40 | * | |
41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | |
42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
51 | * SUCH DAMAGE. | |
52 | * | |
53 | * The licence and distribution terms for any publically available version or | |
54 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
55 | * copied and put under another distribution licence | |
56 | * [including the GNU Public Licence.] | |
57 | */ | |
ca8e5b9b | 58 | /* ==================================================================== |
52b8dad8 | 59 | * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved. |
ca8e5b9b BM |
60 | * |
61 | * Redistribution and use in source and binary forms, with or without | |
62 | * modification, are permitted provided that the following conditions | |
63 | * are met: | |
64 | * | |
65 | * 1. Redistributions of source code must retain the above copyright | |
66 | * notice, this list of conditions and the following disclaimer. | |
67 | * | |
68 | * 2. Redistributions in binary form must reproduce the above copyright | |
69 | * notice, this list of conditions and the following disclaimer in | |
70 | * the documentation and/or other materials provided with the | |
71 | * distribution. | |
72 | * | |
73 | * 3. All advertising materials mentioning features or use of this | |
74 | * software must display the following acknowledgment: | |
75 | * "This product includes software developed by the OpenSSL Project | |
675f605d | 76 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
ca8e5b9b BM |
77 | * |
78 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
79 | * endorse or promote products derived from this software without | |
80 | * prior written permission. For written permission, please contact | |
675f605d | 81 | * openssl-core@openssl.org. |
ca8e5b9b BM |
82 | * |
83 | * 5. Products derived from this software may not be called "OpenSSL" | |
84 | * nor may "OpenSSL" appear in their names without prior written | |
85 | * permission of the OpenSSL Project. | |
86 | * | |
87 | * 6. Redistributions of any form whatsoever must retain the following | |
88 | * acknowledgment: | |
89 | * "This product includes software developed by the OpenSSL Project | |
675f605d | 90 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
ca8e5b9b BM |
91 | * |
92 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
93 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
94 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
95 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
96 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
97 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
98 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
99 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
100 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
101 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
102 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
103 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
104 | * ==================================================================== | |
675f605d BM |
105 | * |
106 | * This product includes cryptographic software written by Eric Young | |
107 | * (eay@cryptsoft.com). This product includes software written by Tim | |
108 | * Hudson (tjh@cryptsoft.com). | |
109 | * | |
ca8e5b9b | 110 | */ |
ea262260 BM |
111 | /* ==================================================================== |
112 | * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. | |
113 | * ECC cipher suite support in OpenSSL originally developed by | |
114 | * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. | |
115 | */ | |
d02b48c6 RE |
116 | |
117 | #include <stdio.h> | |
17f389bb | 118 | |
41d2a336 | 119 | #include "e_os.h" |
17f389bb AP |
120 | #ifndef NO_SYS_TYPES_H |
121 | # include <sys/types.h> | |
122 | #endif | |
123 | ||
4083a229 | 124 | #include "o_dir.h" |
ec577822 BM |
125 | #include <openssl/objects.h> |
126 | #include <openssl/bio.h> | |
127 | #include <openssl/pem.h> | |
bb7cd4e3 | 128 | #include <openssl/x509v3.h> |
3eeaab4b | 129 | #ifndef OPENSSL_NO_DH |
60a938c6 | 130 | #include <openssl/dh.h> |
3eeaab4b | 131 | #endif |
d095b68d | 132 | #include <openssl/bn.h> |
d02b48c6 RE |
133 | #include "ssl_locl.h" |
134 | ||
6b691a5c | 135 | int SSL_get_ex_data_X509_STORE_CTX_idx(void) |
dfeab068 | 136 | { |
3ac82faa | 137 | static volatile int ssl_x509_store_ctx_idx= -1; |
675f605d BM |
138 | int got_write_lock = 0; |
139 | ||
140 | CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX); | |
dfeab068 RE |
141 | |
142 | if (ssl_x509_store_ctx_idx < 0) | |
143 | { | |
675f605d | 144 | CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX); |
3ac82faa | 145 | CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX); |
675f605d | 146 | got_write_lock = 1; |
3ac82faa BM |
147 | |
148 | if (ssl_x509_store_ctx_idx < 0) | |
149 | { | |
150 | ssl_x509_store_ctx_idx=X509_STORE_CTX_get_ex_new_index( | |
151 | 0,"SSL for verify callback",NULL,NULL,NULL); | |
152 | } | |
dfeab068 | 153 | } |
675f605d BM |
154 | |
155 | if (got_write_lock) | |
156 | CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX); | |
157 | else | |
158 | CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX); | |
159 | ||
3ac82faa | 160 | return ssl_x509_store_ctx_idx; |
dfeab068 RE |
161 | } |
162 | ||
6b7be581 DSH |
163 | static void ssl_cert_set_default_md(CERT *cert) |
164 | { | |
165 | /* Set digest values to defaults */ | |
166 | #ifndef OPENSSL_NO_DSA | |
167 | cert->pkeys[SSL_PKEY_DSA_SIGN].digest = EVP_dss1(); | |
168 | #endif | |
169 | #ifndef OPENSSL_NO_RSA | |
170 | cert->pkeys[SSL_PKEY_RSA_SIGN].digest = EVP_sha1(); | |
171 | cert->pkeys[SSL_PKEY_RSA_ENC].digest = EVP_sha1(); | |
172 | #endif | |
173 | #ifndef OPENSSL_NO_ECDSA | |
174 | cert->pkeys[SSL_PKEY_ECC].digest = EVP_ecdsa(); | |
175 | #endif | |
176 | } | |
177 | ||
6b691a5c | 178 | CERT *ssl_cert_new(void) |
d02b48c6 RE |
179 | { |
180 | CERT *ret; | |
181 | ||
26a3a48d | 182 | ret=(CERT *)OPENSSL_malloc(sizeof(CERT)); |
d02b48c6 RE |
183 | if (ret == NULL) |
184 | { | |
185 | SSLerr(SSL_F_SSL_CERT_NEW,ERR_R_MALLOC_FAILURE); | |
186 | return(NULL); | |
187 | } | |
188 | memset(ret,0,sizeof(CERT)); | |
d02b48c6 RE |
189 | |
190 | ret->key= &(ret->pkeys[SSL_PKEY_RSA_ENC]); | |
191 | ret->references=1; | |
6b7be581 | 192 | ssl_cert_set_default_md(ret); |
d02b48c6 RE |
193 | return(ret); |
194 | } | |
195 | ||
ca8e5b9b BM |
196 | CERT *ssl_cert_dup(CERT *cert) |
197 | { | |
198 | CERT *ret; | |
199 | int i; | |
200 | ||
26a3a48d | 201 | ret = (CERT *)OPENSSL_malloc(sizeof(CERT)); |
ca8e5b9b BM |
202 | if (ret == NULL) |
203 | { | |
204 | SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE); | |
205 | return(NULL); | |
206 | } | |
207 | ||
208 | memset(ret, 0, sizeof(CERT)); | |
209 | ||
ca8e5b9b BM |
210 | ret->key = &ret->pkeys[cert->key - &cert->pkeys[0]]; |
211 | /* or ret->key = ret->pkeys + (cert->key - cert->pkeys), | |
212 | * if you find that more readable */ | |
213 | ||
214 | ret->valid = cert->valid; | |
52b8dad8 BM |
215 | ret->mask_k = cert->mask_k; |
216 | ret->mask_a = cert->mask_a; | |
217 | ret->export_mask_k = cert->export_mask_k; | |
218 | ret->export_mask_a = cert->export_mask_a; | |
ca8e5b9b | 219 | |
bc36ee62 | 220 | #ifndef OPENSSL_NO_RSA |
ca8e5b9b BM |
221 | if (cert->rsa_tmp != NULL) |
222 | { | |
6ac4e8bd | 223 | RSA_up_ref(cert->rsa_tmp); |
ca8e5b9b | 224 | ret->rsa_tmp = cert->rsa_tmp; |
ca8e5b9b BM |
225 | } |
226 | ret->rsa_tmp_cb = cert->rsa_tmp_cb; | |
227 | #endif | |
228 | ||
bc36ee62 | 229 | #ifndef OPENSSL_NO_DH |
ca8e5b9b BM |
230 | if (cert->dh_tmp != NULL) |
231 | { | |
ca8e5b9b BM |
232 | ret->dh_tmp = DHparams_dup(cert->dh_tmp); |
233 | if (ret->dh_tmp == NULL) | |
234 | { | |
448e2f9b | 235 | SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_DH_LIB); |
ca8e5b9b BM |
236 | goto err; |
237 | } | |
e11f0de6 BM |
238 | if (cert->dh_tmp->priv_key) |
239 | { | |
240 | BIGNUM *b = BN_dup(cert->dh_tmp->priv_key); | |
241 | if (!b) | |
242 | { | |
448e2f9b | 243 | SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB); |
e11f0de6 BM |
244 | goto err; |
245 | } | |
246 | ret->dh_tmp->priv_key = b; | |
247 | } | |
248 | if (cert->dh_tmp->pub_key) | |
249 | { | |
250 | BIGNUM *b = BN_dup(cert->dh_tmp->pub_key); | |
251 | if (!b) | |
252 | { | |
448e2f9b | 253 | SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB); |
e11f0de6 BM |
254 | goto err; |
255 | } | |
256 | ret->dh_tmp->pub_key = b; | |
257 | } | |
ca8e5b9b BM |
258 | } |
259 | ret->dh_tmp_cb = cert->dh_tmp_cb; | |
260 | #endif | |
261 | ||
ea262260 BM |
262 | #ifndef OPENSSL_NO_ECDH |
263 | if (cert->ecdh_tmp) | |
264 | { | |
eba63ef5 NL |
265 | ret->ecdh_tmp = EC_KEY_dup(cert->ecdh_tmp); |
266 | if (ret->ecdh_tmp == NULL) | |
267 | { | |
268 | SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_EC_LIB); | |
269 | goto err; | |
270 | } | |
ea262260 BM |
271 | } |
272 | ret->ecdh_tmp_cb = cert->ecdh_tmp_cb; | |
273 | #endif | |
274 | ||
ca8e5b9b BM |
275 | for (i = 0; i < SSL_PKEY_NUM; i++) |
276 | { | |
9ade64de DSH |
277 | CERT_PKEY *cpk = cert->pkeys + i; |
278 | CERT_PKEY *rpk = ret->pkeys + i; | |
279 | if (cpk->x509 != NULL) | |
ca8e5b9b | 280 | { |
9ade64de DSH |
281 | rpk->x509 = cpk->x509; |
282 | CRYPTO_add(&rpk->x509->references, 1, CRYPTO_LOCK_X509); | |
ca8e5b9b BM |
283 | } |
284 | ||
9ade64de | 285 | if (cpk->privatekey != NULL) |
ca8e5b9b | 286 | { |
9ade64de DSH |
287 | rpk->privatekey = cpk->privatekey; |
288 | CRYPTO_add(&cpk->privatekey->references, 1, | |
ca8e5b9b BM |
289 | CRYPTO_LOCK_EVP_PKEY); |
290 | ||
291 | switch(i) | |
292 | { | |
293 | /* If there was anything special to do for | |
294 | * certain types of keys, we'd do it here. | |
295 | * (Nothing at the moment, I think.) */ | |
296 | ||
297 | case SSL_PKEY_RSA_ENC: | |
298 | case SSL_PKEY_RSA_SIGN: | |
299 | /* We have an RSA key. */ | |
300 | break; | |
301 | ||
302 | case SSL_PKEY_DSA_SIGN: | |
303 | /* We have a DSA key. */ | |
304 | break; | |
305 | ||
306 | case SSL_PKEY_DH_RSA: | |
307 | case SSL_PKEY_DH_DSA: | |
308 | /* We have a DH key. */ | |
309 | break; | |
ea262260 BM |
310 | |
311 | case SSL_PKEY_ECC: | |
312 | /* We have an ECC key */ | |
313 | break; | |
314 | ||
ca8e5b9b BM |
315 | default: |
316 | /* Can't happen. */ | |
317 | SSLerr(SSL_F_SSL_CERT_DUP, SSL_R_LIBRARY_BUG); | |
318 | } | |
319 | } | |
f71c6e52 DSH |
320 | |
321 | if (cpk->chain) | |
322 | { | |
323 | rpk->chain = sk_X509_dup(cpk->chain); | |
324 | if (!rpk->chain) | |
325 | { | |
326 | SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE); | |
327 | goto err; | |
328 | } | |
329 | for (i = 0; i < sk_X509_num(rpk->chain); i++) | |
330 | { | |
331 | X509 *x = sk_X509_value(rpk->chain, i); | |
332 | CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509); | |
333 | } | |
334 | } | |
ca8e5b9b BM |
335 | } |
336 | ||
ca8e5b9b | 337 | ret->references=1; |
6b7be581 DSH |
338 | /* Set digests to defaults. NB: we don't copy existing values as they |
339 | * will be set during handshake. | |
340 | */ | |
341 | ssl_cert_set_default_md(ret); | |
ca8e5b9b BM |
342 | |
343 | return(ret); | |
344 | ||
f71165b5 | 345 | #if !defined(OPENSSL_NO_DH) || !defined(OPENSSL_NO_ECDH) |
ca8e5b9b | 346 | err: |
3c758be8 | 347 | #endif |
bc36ee62 | 348 | #ifndef OPENSSL_NO_RSA |
ca8e5b9b BM |
349 | if (ret->rsa_tmp != NULL) |
350 | RSA_free(ret->rsa_tmp); | |
351 | #endif | |
bc36ee62 | 352 | #ifndef OPENSSL_NO_DH |
ca8e5b9b BM |
353 | if (ret->dh_tmp != NULL) |
354 | DH_free(ret->dh_tmp); | |
355 | #endif | |
ea262260 BM |
356 | #ifndef OPENSSL_NO_ECDH |
357 | if (ret->ecdh_tmp != NULL) | |
358 | EC_KEY_free(ret->ecdh_tmp); | |
359 | #endif | |
ca8e5b9b BM |
360 | |
361 | for (i = 0; i < SSL_PKEY_NUM; i++) | |
362 | { | |
9ade64de DSH |
363 | CERT_PKEY *rpk = ret->pkeys + i; |
364 | if (rpk->x509 != NULL) | |
365 | X509_free(rpk->x509); | |
366 | if (rpk->privatekey != NULL) | |
367 | EVP_PKEY_free(rpk->privatekey); | |
f71c6e52 DSH |
368 | if (rpk->chain) |
369 | sk_X509_pop_free(rpk->chain, X509_free); | |
ca8e5b9b BM |
370 | } |
371 | ||
9ade64de | 372 | |
ca8e5b9b BM |
373 | return NULL; |
374 | } | |
375 | ||
376 | ||
eb90a483 | 377 | void ssl_cert_free(CERT *c) |
d02b48c6 RE |
378 | { |
379 | int i; | |
380 | ||
e03ddfae BL |
381 | if(c == NULL) |
382 | return; | |
383 | ||
d02b48c6 | 384 | i=CRYPTO_add(&c->references,-1,CRYPTO_LOCK_SSL_CERT); |
58964a49 RE |
385 | #ifdef REF_PRINT |
386 | REF_PRINT("CERT",c); | |
387 | #endif | |
d02b48c6 RE |
388 | if (i > 0) return; |
389 | #ifdef REF_CHECK | |
390 | if (i < 0) | |
391 | { | |
392 | fprintf(stderr,"ssl_cert_free, bad reference count\n"); | |
393 | abort(); /* ok */ | |
394 | } | |
395 | #endif | |
396 | ||
bc36ee62 | 397 | #ifndef OPENSSL_NO_RSA |
d02b48c6 RE |
398 | if (c->rsa_tmp) RSA_free(c->rsa_tmp); |
399 | #endif | |
bc36ee62 | 400 | #ifndef OPENSSL_NO_DH |
d02b48c6 RE |
401 | if (c->dh_tmp) DH_free(c->dh_tmp); |
402 | #endif | |
ea262260 BM |
403 | #ifndef OPENSSL_NO_ECDH |
404 | if (c->ecdh_tmp) EC_KEY_free(c->ecdh_tmp); | |
405 | #endif | |
d02b48c6 RE |
406 | |
407 | for (i=0; i<SSL_PKEY_NUM; i++) | |
408 | { | |
9ade64de DSH |
409 | CERT_PKEY *cpk = c->pkeys + i; |
410 | if (cpk->x509 != NULL) | |
411 | X509_free(cpk->x509); | |
412 | if (cpk->privatekey != NULL) | |
413 | EVP_PKEY_free(cpk->privatekey); | |
f71c6e52 DSH |
414 | if (cpk->chain) |
415 | sk_X509_pop_free(cpk->chain, X509_free); | |
d02b48c6 RE |
416 | #if 0 |
417 | if (c->pkeys[i].publickey != NULL) | |
418 | EVP_PKEY_free(c->pkeys[i].publickey); | |
419 | #endif | |
420 | } | |
26a3a48d | 421 | OPENSSL_free(c); |
d02b48c6 RE |
422 | } |
423 | ||
ca8e5b9b BM |
424 | int ssl_cert_inst(CERT **o) |
425 | { | |
426 | /* Create a CERT if there isn't already one | |
427 | * (which cannot really happen, as it is initially created in | |
428 | * SSL_CTX_new; but the earlier code usually allows for that one | |
429 | * being non-existant, so we follow that behaviour, as it might | |
1c3e0a19 BM |
430 | * turn out that there actually is a reason for it -- but I'm |
431 | * not sure that *all* of the existing code could cope with | |
432 | * s->cert being NULL, otherwise we could do without the | |
433 | * initialization in SSL_CTX_new). | |
434 | */ | |
435 | ||
ca8e5b9b BM |
436 | if (o == NULL) |
437 | { | |
438 | SSLerr(SSL_F_SSL_CERT_INST, ERR_R_PASSED_NULL_PARAMETER); | |
439 | return(0); | |
440 | } | |
441 | if (*o == NULL) | |
442 | { | |
443 | if ((*o = ssl_cert_new()) == NULL) | |
444 | { | |
445 | SSLerr(SSL_F_SSL_CERT_INST, ERR_R_MALLOC_FAILURE); | |
446 | return(0); | |
447 | } | |
448 | } | |
449 | return(1); | |
450 | } | |
451 | ||
f71c6e52 DSH |
452 | int ssl_cert_set0_chain(CERT *c, STACK_OF(X509) *chain) |
453 | { | |
454 | CERT_PKEY *cpk = c->key; | |
455 | if (!cpk) | |
456 | return 0; | |
457 | if (cpk->chain) | |
458 | sk_X509_pop_free(cpk->chain, X509_free); | |
459 | cpk->chain = chain; | |
460 | return 1; | |
461 | } | |
462 | ||
463 | int ssl_cert_set1_chain(CERT *c, STACK_OF(X509) *chain) | |
464 | { | |
465 | STACK_OF(X509) *dchain; | |
466 | X509 *x; | |
467 | int i; | |
468 | if (!chain) | |
469 | return ssl_cert_set0_chain(c, NULL); | |
470 | dchain = sk_X509_dup(chain); | |
471 | if (!dchain) | |
472 | return 0; | |
473 | for (i = 0; i < sk_X509_num(dchain); i++) | |
474 | { | |
475 | x = sk_X509_value(dchain, i); | |
476 | CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509); | |
477 | } | |
478 | if (!ssl_cert_set0_chain(c, dchain)) | |
479 | { | |
480 | sk_X509_pop_free(dchain, X509_free); | |
481 | return 0; | |
482 | } | |
483 | return 1; | |
484 | } | |
485 | ||
486 | int ssl_cert_add0_chain_cert(CERT *c, X509 *x) | |
487 | { | |
488 | CERT_PKEY *cpk = c->key; | |
489 | if (!cpk) | |
490 | return 0; | |
491 | if (!cpk->chain) | |
492 | cpk->chain = sk_X509_new_null(); | |
493 | if (!cpk->chain || !sk_X509_push(cpk->chain, x)) | |
494 | return 0; | |
495 | return 1; | |
496 | } | |
497 | ||
498 | int ssl_cert_add1_chain_cert(CERT *c, X509 *x) | |
499 | { | |
500 | if (!ssl_cert_add0_chain_cert(c, x)) | |
501 | return 0; | |
502 | CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509); | |
503 | return 1; | |
504 | } | |
b56bce4f BM |
505 | |
506 | SESS_CERT *ssl_sess_cert_new(void) | |
15d21c2d | 507 | { |
b56bce4f BM |
508 | SESS_CERT *ret; |
509 | ||
26a3a48d | 510 | ret = OPENSSL_malloc(sizeof *ret); |
b56bce4f | 511 | if (ret == NULL) |
15d21c2d | 512 | { |
b56bce4f BM |
513 | SSLerr(SSL_F_SSL_SESS_CERT_NEW, ERR_R_MALLOC_FAILURE); |
514 | return NULL; | |
15d21c2d | 515 | } |
b56bce4f BM |
516 | |
517 | memset(ret, 0 ,sizeof *ret); | |
518 | ret->peer_key = &(ret->peer_pkeys[SSL_PKEY_RSA_ENC]); | |
519 | ret->references = 1; | |
520 | ||
521 | return ret; | |
522 | } | |
523 | ||
524 | void ssl_sess_cert_free(SESS_CERT *sc) | |
525 | { | |
526 | int i; | |
527 | ||
528 | if (sc == NULL) | |
529 | return; | |
530 | ||
531 | i = CRYPTO_add(&sc->references, -1, CRYPTO_LOCK_SSL_SESS_CERT); | |
532 | #ifdef REF_PRINT | |
533 | REF_PRINT("SESS_CERT", sc); | |
534 | #endif | |
535 | if (i > 0) | |
536 | return; | |
537 | #ifdef REF_CHECK | |
538 | if (i < 0) | |
15d21c2d | 539 | { |
b56bce4f BM |
540 | fprintf(stderr,"ssl_sess_cert_free, bad reference count\n"); |
541 | abort(); /* ok */ | |
15d21c2d | 542 | } |
ca8e5b9b | 543 | #endif |
15d21c2d | 544 | |
b56bce4f BM |
545 | /* i == 0 */ |
546 | if (sc->cert_chain != NULL) | |
547 | sk_X509_pop_free(sc->cert_chain, X509_free); | |
548 | for (i = 0; i < SSL_PKEY_NUM; i++) | |
549 | { | |
550 | if (sc->peer_pkeys[i].x509 != NULL) | |
551 | X509_free(sc->peer_pkeys[i].x509); | |
552 | #if 0 /* We don't have the peer's private key. These lines are just | |
553 | * here as a reminder that we're still using a not-quite-appropriate | |
554 | * data structure. */ | |
555 | if (sc->peer_pkeys[i].privatekey != NULL) | |
556 | EVP_PKEY_free(sc->peer_pkeys[i].privatekey); | |
557 | #endif | |
558 | } | |
559 | ||
bc36ee62 | 560 | #ifndef OPENSSL_NO_RSA |
b56bce4f BM |
561 | if (sc->peer_rsa_tmp != NULL) |
562 | RSA_free(sc->peer_rsa_tmp); | |
563 | #endif | |
bc36ee62 | 564 | #ifndef OPENSSL_NO_DH |
b56bce4f BM |
565 | if (sc->peer_dh_tmp != NULL) |
566 | DH_free(sc->peer_dh_tmp); | |
567 | #endif | |
ea262260 BM |
568 | #ifndef OPENSSL_NO_ECDH |
569 | if (sc->peer_ecdh_tmp != NULL) | |
570 | EC_KEY_free(sc->peer_ecdh_tmp); | |
571 | #endif | |
b56bce4f | 572 | |
26a3a48d | 573 | OPENSSL_free(sc); |
b56bce4f BM |
574 | } |
575 | ||
576 | int ssl_set_peer_cert_type(SESS_CERT *sc,int type) | |
d02b48c6 | 577 | { |
b56bce4f | 578 | sc->peer_cert_type = type; |
d02b48c6 RE |
579 | return(1); |
580 | } | |
581 | ||
f73e07cf | 582 | int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk) |
d02b48c6 RE |
583 | { |
584 | X509 *x; | |
585 | int i; | |
586 | X509_STORE_CTX ctx; | |
587 | ||
f73e07cf | 588 | if ((sk == NULL) || (sk_X509_num(sk) == 0)) |
d02b48c6 RE |
589 | return(0); |
590 | ||
f73e07cf | 591 | x=sk_X509_value(sk,0); |
79aa04ef GT |
592 | if(!X509_STORE_CTX_init(&ctx,s->ctx->cert_store,x,sk)) |
593 | { | |
594 | SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN,ERR_R_X509_LIB); | |
595 | return(0); | |
596 | } | |
5d7c222d | 597 | #if 0 |
7f89714e BM |
598 | if (SSL_get_verify_depth(s) >= 0) |
599 | X509_STORE_CTX_set_depth(&ctx, SSL_get_verify_depth(s)); | |
5d7c222d | 600 | #endif |
dd9d233e | 601 | X509_STORE_CTX_set_ex_data(&ctx,SSL_get_ex_data_X509_STORE_CTX_idx(),s); |
3ac82faa | 602 | |
5d7c222d | 603 | /* We need to inherit the verify parameters. These can be determined by |
bb7cd4e3 DSH |
604 | * the context: if its a server it will verify SSL client certificates |
605 | * or vice versa. | |
3ac82faa | 606 | */ |
bb7cd4e3 | 607 | |
5d7c222d DSH |
608 | X509_STORE_CTX_set_default(&ctx, |
609 | s->server ? "ssl_client" : "ssl_server"); | |
508c5352 DSH |
610 | /* Anything non-default in "param" should overwrite anything in the |
611 | * ctx. | |
612 | */ | |
746570e5 | 613 | X509_VERIFY_PARAM_set1(X509_STORE_CTX_get0_param(&ctx), s->param); |
d02b48c6 | 614 | |
e32c852e | 615 | if (s->verify_callback) |
be2e2c32 | 616 | X509_STORE_CTX_set_verify_cb(&ctx, s->verify_callback); |
1f0c9ad7 | 617 | |
d02b48c6 | 618 | if (s->ctx->app_verify_callback != NULL) |
023ec151 BM |
619 | #if 1 /* new with OpenSSL 0.9.7 */ |
620 | i=s->ctx->app_verify_callback(&ctx, s->ctx->app_verify_arg); | |
621 | #else | |
204cf1ab | 622 | i=s->ctx->app_verify_callback(&ctx); /* should pass app_verify_arg */ |
023ec151 | 623 | #endif |
d02b48c6 | 624 | else |
dfeab068 | 625 | { |
bc36ee62 | 626 | #ifndef OPENSSL_NO_X509_VERIFY |
d02b48c6 | 627 | i=X509_verify_cert(&ctx); |
dfeab068 RE |
628 | #else |
629 | i=0; | |
630 | ctx.error=X509_V_ERR_APPLICATION_VERIFICATION; | |
631 | SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN,SSL_R_NO_VERIFY_CALLBACK); | |
632 | #endif | |
633 | } | |
d02b48c6 | 634 | |
d02b48c6 | 635 | s->verify_result=ctx.error; |
dfeab068 | 636 | X509_STORE_CTX_cleanup(&ctx); |
d02b48c6 RE |
637 | |
638 | return(i); | |
639 | } | |
640 | ||
3822740c | 641 | static void set_client_CA_list(STACK_OF(X509_NAME) **ca_list,STACK_OF(X509_NAME) *name_list) |
d02b48c6 RE |
642 | { |
643 | if (*ca_list != NULL) | |
f73e07cf | 644 | sk_X509_NAME_pop_free(*ca_list,X509_NAME_free); |
d02b48c6 | 645 | |
3822740c | 646 | *ca_list=name_list; |
d02b48c6 RE |
647 | } |
648 | ||
838d25a1 | 649 | STACK_OF(X509_NAME) *SSL_dup_CA_list(STACK_OF(X509_NAME) *sk) |
d02b48c6 RE |
650 | { |
651 | int i; | |
838d25a1 | 652 | STACK_OF(X509_NAME) *ret; |
d02b48c6 RE |
653 | X509_NAME *name; |
654 | ||
838d25a1 BL |
655 | ret=sk_X509_NAME_new_null(); |
656 | for (i=0; i<sk_X509_NAME_num(sk); i++) | |
d02b48c6 | 657 | { |
838d25a1 BL |
658 | name=X509_NAME_dup(sk_X509_NAME_value(sk,i)); |
659 | if ((name == NULL) || !sk_X509_NAME_push(ret,name)) | |
d02b48c6 | 660 | { |
838d25a1 | 661 | sk_X509_NAME_pop_free(ret,X509_NAME_free); |
d02b48c6 RE |
662 | return(NULL); |
663 | } | |
664 | } | |
665 | return(ret); | |
666 | } | |
667 | ||
3822740c | 668 | void SSL_set_client_CA_list(SSL *s,STACK_OF(X509_NAME) *name_list) |
d02b48c6 | 669 | { |
3822740c | 670 | set_client_CA_list(&(s->client_CA),name_list); |
d02b48c6 RE |
671 | } |
672 | ||
3822740c | 673 | void SSL_CTX_set_client_CA_list(SSL_CTX *ctx,STACK_OF(X509_NAME) *name_list) |
d02b48c6 | 674 | { |
3822740c | 675 | set_client_CA_list(&(ctx->client_CA),name_list); |
d02b48c6 RE |
676 | } |
677 | ||
0821bcd4 | 678 | STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *ctx) |
d02b48c6 RE |
679 | { |
680 | return(ctx->client_CA); | |
681 | } | |
682 | ||
0821bcd4 | 683 | STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s) |
d02b48c6 RE |
684 | { |
685 | if (s->type == SSL_ST_CONNECT) | |
686 | { /* we are in the client */ | |
58964a49 RE |
687 | if (((s->version>>8) == SSL3_VERSION_MAJOR) && |
688 | (s->s3 != NULL)) | |
d02b48c6 RE |
689 | return(s->s3->tmp.ca_names); |
690 | else | |
691 | return(NULL); | |
692 | } | |
693 | else | |
694 | { | |
695 | if (s->client_CA != NULL) | |
696 | return(s->client_CA); | |
697 | else | |
698 | return(s->ctx->client_CA); | |
699 | } | |
700 | } | |
701 | ||
f73e07cf | 702 | static int add_client_CA(STACK_OF(X509_NAME) **sk,X509 *x) |
d02b48c6 RE |
703 | { |
704 | X509_NAME *name; | |
705 | ||
706 | if (x == NULL) return(0); | |
f73e07cf | 707 | if ((*sk == NULL) && ((*sk=sk_X509_NAME_new_null()) == NULL)) |
d02b48c6 RE |
708 | return(0); |
709 | ||
710 | if ((name=X509_NAME_dup(X509_get_subject_name(x))) == NULL) | |
711 | return(0); | |
712 | ||
f73e07cf | 713 | if (!sk_X509_NAME_push(*sk,name)) |
d02b48c6 RE |
714 | { |
715 | X509_NAME_free(name); | |
716 | return(0); | |
717 | } | |
718 | return(1); | |
719 | } | |
720 | ||
eb90a483 | 721 | int SSL_add_client_CA(SSL *ssl,X509 *x) |
d02b48c6 RE |
722 | { |
723 | return(add_client_CA(&(ssl->client_CA),x)); | |
724 | } | |
725 | ||
eb90a483 | 726 | int SSL_CTX_add_client_CA(SSL_CTX *ctx,X509 *x) |
d02b48c6 RE |
727 | { |
728 | return(add_client_CA(&(ctx->client_CA),x)); | |
729 | } | |
730 | ||
ccd86b68 | 731 | static int xname_cmp(const X509_NAME * const *a, const X509_NAME * const *b) |
d02b48c6 RE |
732 | { |
733 | return(X509_NAME_cmp(*a,*b)); | |
734 | } | |
735 | ||
bc36ee62 | 736 | #ifndef OPENSSL_NO_STDIO |
eb90a483 BL |
737 | /*! |
738 | * Load CA certs from a file into a ::STACK. Note that it is somewhat misnamed; | |
739 | * it doesn't really have anything to do with clients (except that a common use | |
740 | * for a stack of CAs is to send it to the client). Actually, it doesn't have | |
741 | * much to do with CAs, either, since it will load any old cert. | |
742 | * \param file the file containing one or more certs. | |
743 | * \return a ::STACK containing the certs. | |
744 | */ | |
f73e07cf | 745 | STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file) |
d02b48c6 RE |
746 | { |
747 | BIO *in; | |
748 | X509 *x=NULL; | |
749 | X509_NAME *xn=NULL; | |
1d42741a | 750 | STACK_OF(X509_NAME) *ret = NULL,*sk; |
d02b48c6 | 751 | |
bb7cd4e3 | 752 | sk=sk_X509_NAME_new(xname_cmp); |
58964a49 RE |
753 | |
754 | in=BIO_new(BIO_s_file_internal()); | |
755 | ||
1d42741a | 756 | if ((sk == NULL) || (in == NULL)) |
d02b48c6 RE |
757 | { |
758 | SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE,ERR_R_MALLOC_FAILURE); | |
759 | goto err; | |
760 | } | |
761 | ||
762 | if (!BIO_read_filename(in,file)) | |
763 | goto err; | |
764 | ||
765 | for (;;) | |
766 | { | |
74678cc2 | 767 | if (PEM_read_bio_X509(in,&x,NULL,NULL) == NULL) |
d02b48c6 | 768 | break; |
1d42741a NL |
769 | if (ret == NULL) |
770 | { | |
771 | ret = sk_X509_NAME_new_null(); | |
772 | if (ret == NULL) | |
773 | { | |
774 | SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE,ERR_R_MALLOC_FAILURE); | |
775 | goto err; | |
776 | } | |
777 | } | |
d02b48c6 RE |
778 | if ((xn=X509_get_subject_name(x)) == NULL) goto err; |
779 | /* check for duplicates */ | |
780 | xn=X509_NAME_dup(xn); | |
781 | if (xn == NULL) goto err; | |
f73e07cf | 782 | if (sk_X509_NAME_find(sk,xn) >= 0) |
d02b48c6 RE |
783 | X509_NAME_free(xn); |
784 | else | |
785 | { | |
f73e07cf BL |
786 | sk_X509_NAME_push(sk,xn); |
787 | sk_X509_NAME_push(ret,xn); | |
d02b48c6 RE |
788 | } |
789 | } | |
790 | ||
791 | if (0) | |
792 | { | |
793 | err: | |
f73e07cf | 794 | if (ret != NULL) sk_X509_NAME_pop_free(ret,X509_NAME_free); |
d02b48c6 RE |
795 | ret=NULL; |
796 | } | |
f73e07cf | 797 | if (sk != NULL) sk_X509_NAME_free(sk); |
d02b48c6 RE |
798 | if (in != NULL) BIO_free(in); |
799 | if (x != NULL) X509_free(x); | |
1d42741a NL |
800 | if (ret != NULL) |
801 | ERR_clear_error(); | |
d02b48c6 RE |
802 | return(ret); |
803 | } | |
58964a49 | 804 | #endif |
d02b48c6 | 805 | |
eb90a483 BL |
806 | /*! |
807 | * Add a file of certs to a stack. | |
808 | * \param stack the stack to add to. | |
809 | * \param file the file to add from. All certs in this file that are not | |
810 | * already in the stack will be added. | |
811 | * \return 1 for success, 0 for failure. Note that in the case of failure some | |
812 | * certs may have been added to \c stack. | |
813 | */ | |
814 | ||
661b361b BL |
815 | int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, |
816 | const char *file) | |
eb90a483 | 817 | { |
2ea09100 BM |
818 | BIO *in; |
819 | X509 *x=NULL; | |
820 | X509_NAME *xn=NULL; | |
821 | int ret=1; | |
ccd86b68 | 822 | int (*oldcmp)(const X509_NAME * const *a, const X509_NAME * const *b); |
eb90a483 | 823 | |
2ea09100 BM |
824 | oldcmp=sk_X509_NAME_set_cmp_func(stack,xname_cmp); |
825 | ||
826 | in=BIO_new(BIO_s_file_internal()); | |
827 | ||
828 | if (in == NULL) | |
829 | { | |
830 | SSLerr(SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK,ERR_R_MALLOC_FAILURE); | |
831 | goto err; | |
832 | } | |
833 | ||
834 | if (!BIO_read_filename(in,file)) | |
835 | goto err; | |
836 | ||
837 | for (;;) | |
838 | { | |
839 | if (PEM_read_bio_X509(in,&x,NULL,NULL) == NULL) | |
840 | break; | |
841 | if ((xn=X509_get_subject_name(x)) == NULL) goto err; | |
842 | xn=X509_NAME_dup(xn); | |
843 | if (xn == NULL) goto err; | |
844 | if (sk_X509_NAME_find(stack,xn) >= 0) | |
845 | X509_NAME_free(xn); | |
846 | else | |
847 | sk_X509_NAME_push(stack,xn); | |
848 | } | |
eb90a483 | 849 | |
a3a06e65 DSH |
850 | ERR_clear_error(); |
851 | ||
2ea09100 BM |
852 | if (0) |
853 | { | |
eb90a483 | 854 | err: |
2ea09100 BM |
855 | ret=0; |
856 | } | |
857 | if(in != NULL) | |
858 | BIO_free(in); | |
859 | if(x != NULL) | |
860 | X509_free(x); | |
861 | ||
a6fbcb42 | 862 | (void)sk_X509_NAME_set_cmp_func(stack,oldcmp); |
eb90a483 | 863 | |
2ea09100 BM |
864 | return ret; |
865 | } | |
eb90a483 BL |
866 | |
867 | /*! | |
868 | * Add a directory of certs to a stack. | |
869 | * \param stack the stack to append to. | |
870 | * \param dir the directory to append from. All files in this directory will be | |
871 | * examined as potential certs. Any that are acceptable to | |
72e442a3 | 872 | * SSL_add_dir_cert_subjects_to_stack() that are not already in the stack will be |
eb90a483 BL |
873 | * included. |
874 | * \return 1 for success, 0 for failure. Note that in the case of failure some | |
875 | * certs may have been added to \c stack. | |
876 | */ | |
877 | ||
661b361b BL |
878 | int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, |
879 | const char *dir) | |
eb90a483 | 880 | { |
4083a229 RL |
881 | OPENSSL_DIR_CTX *d = NULL; |
882 | const char *filename; | |
2ea09100 | 883 | int ret = 0; |
eb90a483 | 884 | |
2ea09100 | 885 | CRYPTO_w_lock(CRYPTO_LOCK_READDIR); |
eb90a483 | 886 | |
2ea09100 | 887 | /* Note that a side effect is that the CAs will be sorted by name */ |
4083a229 RL |
888 | |
889 | while((filename = OPENSSL_DIR_read(&d, dir))) | |
2ea09100 BM |
890 | { |
891 | char buf[1024]; | |
892 | int r; | |
4083a229 RL |
893 | |
894 | if(strlen(dir)+strlen(filename)+2 > sizeof buf) | |
2ea09100 BM |
895 | { |
896 | SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK,SSL_R_PATH_TOO_LONG); | |
897 | goto err; | |
898 | } | |
4083a229 RL |
899 | |
900 | #ifdef OPENSSL_SYS_VMS | |
901 | r = BIO_snprintf(buf,sizeof buf,"%s%s",dir,filename); | |
902 | #else | |
903 | r = BIO_snprintf(buf,sizeof buf,"%s/%s",dir,filename); | |
904 | #endif | |
27545970 | 905 | if (r <= 0 || r >= (int)sizeof(buf)) |
2ea09100 BM |
906 | goto err; |
907 | if(!SSL_add_file_cert_subjects_to_stack(stack,buf)) | |
908 | goto err; | |
909 | } | |
0bf23d9b | 910 | |
4083a229 | 911 | if (errno) |
285046ec RL |
912 | { |
913 | SYSerr(SYS_F_OPENDIR, get_last_sys_error()); | |
4083a229 | 914 | ERR_add_error_data(3, "OPENSSL_DIR_read(&ctx, '", dir, "')"); |
285046ec | 915 | SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK, ERR_R_SYS_LIB); |
4083a229 | 916 | goto err; |
285046ec | 917 | } |
4083a229 | 918 | |
285046ec RL |
919 | ret = 1; |
920 | ||
6176df94 | 921 | err: |
4083a229 | 922 | if (d) OPENSSL_DIR_end(&d); |
285046ec RL |
923 | CRYPTO_w_unlock(CRYPTO_LOCK_READDIR); |
924 | return ret; | |
925 | } | |
926 | ||
4379d0e4 DSH |
927 | /* Add a certificate to a BUF_MEM structure */ |
928 | ||
929 | static int ssl_add_cert_to_buf(BUF_MEM *buf, unsigned long *l, X509 *x) | |
930 | { | |
931 | int n; | |
932 | unsigned char *p; | |
933 | ||
934 | n=i2d_X509(x,NULL); | |
935 | if (!BUF_MEM_grow_clean(buf,(int)(n+(*l)+3))) | |
936 | { | |
937 | SSLerr(SSL_F_SSL_ADD_CERT_TO_BUF,ERR_R_BUF_LIB); | |
938 | return 0; | |
939 | } | |
940 | p=(unsigned char *)&(buf->data[*l]); | |
941 | l2n3(n,p); | |
942 | i2d_X509(x,&p); | |
943 | *l+=n+3; | |
944 | ||
945 | return 1; | |
946 | } | |
947 | ||
948 | /* Add certificate chain to internal SSL BUF_MEM strcuture */ | |
c526ed41 | 949 | int ssl_add_cert_chain(SSL *s, CERT_PKEY *cpk, unsigned long *l) |
4379d0e4 DSH |
950 | { |
951 | BUF_MEM *buf = s->init_buf; | |
952 | int no_chain; | |
953 | int i; | |
954 | ||
c526ed41 | 955 | X509 *x; |
f71c6e52 | 956 | STACK_OF(X509) *extra_certs; |
c526ed41 DSH |
957 | |
958 | if (cpk) | |
959 | x = cpk->x509; | |
960 | else | |
961 | x = NULL; | |
962 | ||
f71c6e52 DSH |
963 | /* If we have a certificate specific chain use it, else use |
964 | * parent ctx. | |
965 | */ | |
966 | if (cpk && cpk->chain) | |
967 | extra_certs = cpk->chain; | |
968 | else | |
969 | extra_certs = s->ctx->extra_certs; | |
970 | ||
971 | if ((s->mode & SSL_MODE_NO_AUTO_CHAIN) || extra_certs) | |
4379d0e4 DSH |
972 | no_chain = 1; |
973 | else | |
974 | no_chain = 0; | |
975 | ||
976 | /* TLSv1 sends a chain with nothing in it, instead of an alert */ | |
977 | if (!BUF_MEM_grow_clean(buf,10)) | |
978 | { | |
979 | SSLerr(SSL_F_SSL_ADD_CERT_CHAIN,ERR_R_BUF_LIB); | |
980 | return 0; | |
981 | } | |
982 | if (x != NULL) | |
983 | { | |
984 | if (no_chain) | |
985 | { | |
986 | if (!ssl_add_cert_to_buf(buf, l, x)) | |
987 | return 0; | |
988 | } | |
989 | else | |
990 | { | |
991 | X509_STORE_CTX xs_ctx; | |
992 | ||
993 | if (!X509_STORE_CTX_init(&xs_ctx,s->ctx->cert_store,x,NULL)) | |
994 | { | |
995 | SSLerr(SSL_F_SSL_ADD_CERT_CHAIN,ERR_R_X509_LIB); | |
996 | return(0); | |
997 | } | |
998 | X509_verify_cert(&xs_ctx); | |
999 | /* Don't leave errors in the queue */ | |
1000 | ERR_clear_error(); | |
1001 | for (i=0; i < sk_X509_num(xs_ctx.chain); i++) | |
1002 | { | |
1003 | x = sk_X509_value(xs_ctx.chain, i); | |
1004 | ||
1005 | if (ssl_add_cert_to_buf(buf, l, x)) | |
1006 | { | |
1007 | X509_STORE_CTX_cleanup(&xs_ctx); | |
1008 | return 0; | |
1009 | } | |
1010 | } | |
1011 | X509_STORE_CTX_cleanup(&xs_ctx); | |
1012 | } | |
1013 | } | |
f71c6e52 | 1014 | for (i=0; i<sk_X509_num(extra_certs); i++) |
4379d0e4 | 1015 | { |
f71c6e52 | 1016 | x=sk_X509_value(extra_certs,i); |
4379d0e4 DSH |
1017 | if (!ssl_add_cert_to_buf(buf, l, x)) |
1018 | return 0; | |
1019 | } | |
1020 | ||
1021 | return 1; | |
1022 | } | |
1023 |