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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); | |
e7f8ff43 DSH |
342 | /* Sigalgs set to NULL as we get these from handshake too */ |
343 | ret->sigalgs = NULL; | |
344 | ret->sigalgslen = 0; | |
ca8e5b9b BM |
345 | |
346 | return(ret); | |
347 | ||
f71165b5 | 348 | #if !defined(OPENSSL_NO_DH) || !defined(OPENSSL_NO_ECDH) |
ca8e5b9b | 349 | err: |
3c758be8 | 350 | #endif |
bc36ee62 | 351 | #ifndef OPENSSL_NO_RSA |
ca8e5b9b BM |
352 | if (ret->rsa_tmp != NULL) |
353 | RSA_free(ret->rsa_tmp); | |
354 | #endif | |
bc36ee62 | 355 | #ifndef OPENSSL_NO_DH |
ca8e5b9b BM |
356 | if (ret->dh_tmp != NULL) |
357 | DH_free(ret->dh_tmp); | |
358 | #endif | |
ea262260 BM |
359 | #ifndef OPENSSL_NO_ECDH |
360 | if (ret->ecdh_tmp != NULL) | |
361 | EC_KEY_free(ret->ecdh_tmp); | |
362 | #endif | |
ca8e5b9b BM |
363 | |
364 | for (i = 0; i < SSL_PKEY_NUM; i++) | |
365 | { | |
9ade64de DSH |
366 | CERT_PKEY *rpk = ret->pkeys + i; |
367 | if (rpk->x509 != NULL) | |
368 | X509_free(rpk->x509); | |
369 | if (rpk->privatekey != NULL) | |
370 | EVP_PKEY_free(rpk->privatekey); | |
f71c6e52 DSH |
371 | if (rpk->chain) |
372 | sk_X509_pop_free(rpk->chain, X509_free); | |
ca8e5b9b BM |
373 | } |
374 | ||
9ade64de | 375 | |
ca8e5b9b BM |
376 | return NULL; |
377 | } | |
378 | ||
379 | ||
eb90a483 | 380 | void ssl_cert_free(CERT *c) |
d02b48c6 RE |
381 | { |
382 | int i; | |
383 | ||
e03ddfae BL |
384 | if(c == NULL) |
385 | return; | |
386 | ||
d02b48c6 | 387 | i=CRYPTO_add(&c->references,-1,CRYPTO_LOCK_SSL_CERT); |
58964a49 RE |
388 | #ifdef REF_PRINT |
389 | REF_PRINT("CERT",c); | |
390 | #endif | |
d02b48c6 RE |
391 | if (i > 0) return; |
392 | #ifdef REF_CHECK | |
393 | if (i < 0) | |
394 | { | |
395 | fprintf(stderr,"ssl_cert_free, bad reference count\n"); | |
396 | abort(); /* ok */ | |
397 | } | |
398 | #endif | |
399 | ||
bc36ee62 | 400 | #ifndef OPENSSL_NO_RSA |
d02b48c6 RE |
401 | if (c->rsa_tmp) RSA_free(c->rsa_tmp); |
402 | #endif | |
bc36ee62 | 403 | #ifndef OPENSSL_NO_DH |
d02b48c6 RE |
404 | if (c->dh_tmp) DH_free(c->dh_tmp); |
405 | #endif | |
ea262260 BM |
406 | #ifndef OPENSSL_NO_ECDH |
407 | if (c->ecdh_tmp) EC_KEY_free(c->ecdh_tmp); | |
408 | #endif | |
d02b48c6 RE |
409 | |
410 | for (i=0; i<SSL_PKEY_NUM; i++) | |
411 | { | |
9ade64de DSH |
412 | CERT_PKEY *cpk = c->pkeys + i; |
413 | if (cpk->x509 != NULL) | |
414 | X509_free(cpk->x509); | |
415 | if (cpk->privatekey != NULL) | |
416 | EVP_PKEY_free(cpk->privatekey); | |
f71c6e52 DSH |
417 | if (cpk->chain) |
418 | sk_X509_pop_free(cpk->chain, X509_free); | |
d02b48c6 RE |
419 | #if 0 |
420 | if (c->pkeys[i].publickey != NULL) | |
421 | EVP_PKEY_free(c->pkeys[i].publickey); | |
422 | #endif | |
423 | } | |
e7f8ff43 DSH |
424 | if (c->sigalgs) |
425 | OPENSSL_free(c->sigalgs); | |
26a3a48d | 426 | OPENSSL_free(c); |
d02b48c6 RE |
427 | } |
428 | ||
ca8e5b9b BM |
429 | int ssl_cert_inst(CERT **o) |
430 | { | |
431 | /* Create a CERT if there isn't already one | |
432 | * (which cannot really happen, as it is initially created in | |
433 | * SSL_CTX_new; but the earlier code usually allows for that one | |
434 | * being non-existant, so we follow that behaviour, as it might | |
1c3e0a19 BM |
435 | * turn out that there actually is a reason for it -- but I'm |
436 | * not sure that *all* of the existing code could cope with | |
437 | * s->cert being NULL, otherwise we could do without the | |
438 | * initialization in SSL_CTX_new). | |
439 | */ | |
440 | ||
ca8e5b9b BM |
441 | if (o == NULL) |
442 | { | |
443 | SSLerr(SSL_F_SSL_CERT_INST, ERR_R_PASSED_NULL_PARAMETER); | |
444 | return(0); | |
445 | } | |
446 | if (*o == NULL) | |
447 | { | |
448 | if ((*o = ssl_cert_new()) == NULL) | |
449 | { | |
450 | SSLerr(SSL_F_SSL_CERT_INST, ERR_R_MALLOC_FAILURE); | |
451 | return(0); | |
452 | } | |
453 | } | |
454 | return(1); | |
455 | } | |
456 | ||
f71c6e52 DSH |
457 | int ssl_cert_set0_chain(CERT *c, STACK_OF(X509) *chain) |
458 | { | |
459 | CERT_PKEY *cpk = c->key; | |
460 | if (!cpk) | |
461 | return 0; | |
462 | if (cpk->chain) | |
463 | sk_X509_pop_free(cpk->chain, X509_free); | |
464 | cpk->chain = chain; | |
465 | return 1; | |
466 | } | |
467 | ||
468 | int ssl_cert_set1_chain(CERT *c, STACK_OF(X509) *chain) | |
469 | { | |
470 | STACK_OF(X509) *dchain; | |
471 | X509 *x; | |
472 | int i; | |
473 | if (!chain) | |
474 | return ssl_cert_set0_chain(c, NULL); | |
475 | dchain = sk_X509_dup(chain); | |
476 | if (!dchain) | |
477 | return 0; | |
478 | for (i = 0; i < sk_X509_num(dchain); i++) | |
479 | { | |
480 | x = sk_X509_value(dchain, i); | |
481 | CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509); | |
482 | } | |
483 | if (!ssl_cert_set0_chain(c, dchain)) | |
484 | { | |
485 | sk_X509_pop_free(dchain, X509_free); | |
486 | return 0; | |
487 | } | |
488 | return 1; | |
489 | } | |
490 | ||
491 | int ssl_cert_add0_chain_cert(CERT *c, X509 *x) | |
492 | { | |
493 | CERT_PKEY *cpk = c->key; | |
494 | if (!cpk) | |
495 | return 0; | |
496 | if (!cpk->chain) | |
497 | cpk->chain = sk_X509_new_null(); | |
498 | if (!cpk->chain || !sk_X509_push(cpk->chain, x)) | |
499 | return 0; | |
500 | return 1; | |
501 | } | |
502 | ||
503 | int ssl_cert_add1_chain_cert(CERT *c, X509 *x) | |
504 | { | |
505 | if (!ssl_cert_add0_chain_cert(c, x)) | |
506 | return 0; | |
507 | CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509); | |
508 | return 1; | |
509 | } | |
b56bce4f BM |
510 | |
511 | SESS_CERT *ssl_sess_cert_new(void) | |
15d21c2d | 512 | { |
b56bce4f BM |
513 | SESS_CERT *ret; |
514 | ||
26a3a48d | 515 | ret = OPENSSL_malloc(sizeof *ret); |
b56bce4f | 516 | if (ret == NULL) |
15d21c2d | 517 | { |
b56bce4f BM |
518 | SSLerr(SSL_F_SSL_SESS_CERT_NEW, ERR_R_MALLOC_FAILURE); |
519 | return NULL; | |
15d21c2d | 520 | } |
b56bce4f BM |
521 | |
522 | memset(ret, 0 ,sizeof *ret); | |
523 | ret->peer_key = &(ret->peer_pkeys[SSL_PKEY_RSA_ENC]); | |
524 | ret->references = 1; | |
525 | ||
526 | return ret; | |
527 | } | |
528 | ||
529 | void ssl_sess_cert_free(SESS_CERT *sc) | |
530 | { | |
531 | int i; | |
532 | ||
533 | if (sc == NULL) | |
534 | return; | |
535 | ||
536 | i = CRYPTO_add(&sc->references, -1, CRYPTO_LOCK_SSL_SESS_CERT); | |
537 | #ifdef REF_PRINT | |
538 | REF_PRINT("SESS_CERT", sc); | |
539 | #endif | |
540 | if (i > 0) | |
541 | return; | |
542 | #ifdef REF_CHECK | |
543 | if (i < 0) | |
15d21c2d | 544 | { |
b56bce4f BM |
545 | fprintf(stderr,"ssl_sess_cert_free, bad reference count\n"); |
546 | abort(); /* ok */ | |
15d21c2d | 547 | } |
ca8e5b9b | 548 | #endif |
15d21c2d | 549 | |
b56bce4f BM |
550 | /* i == 0 */ |
551 | if (sc->cert_chain != NULL) | |
552 | sk_X509_pop_free(sc->cert_chain, X509_free); | |
553 | for (i = 0; i < SSL_PKEY_NUM; i++) | |
554 | { | |
555 | if (sc->peer_pkeys[i].x509 != NULL) | |
556 | X509_free(sc->peer_pkeys[i].x509); | |
557 | #if 0 /* We don't have the peer's private key. These lines are just | |
558 | * here as a reminder that we're still using a not-quite-appropriate | |
559 | * data structure. */ | |
560 | if (sc->peer_pkeys[i].privatekey != NULL) | |
561 | EVP_PKEY_free(sc->peer_pkeys[i].privatekey); | |
562 | #endif | |
563 | } | |
564 | ||
bc36ee62 | 565 | #ifndef OPENSSL_NO_RSA |
b56bce4f BM |
566 | if (sc->peer_rsa_tmp != NULL) |
567 | RSA_free(sc->peer_rsa_tmp); | |
568 | #endif | |
bc36ee62 | 569 | #ifndef OPENSSL_NO_DH |
b56bce4f BM |
570 | if (sc->peer_dh_tmp != NULL) |
571 | DH_free(sc->peer_dh_tmp); | |
572 | #endif | |
ea262260 BM |
573 | #ifndef OPENSSL_NO_ECDH |
574 | if (sc->peer_ecdh_tmp != NULL) | |
575 | EC_KEY_free(sc->peer_ecdh_tmp); | |
576 | #endif | |
b56bce4f | 577 | |
26a3a48d | 578 | OPENSSL_free(sc); |
b56bce4f BM |
579 | } |
580 | ||
581 | int ssl_set_peer_cert_type(SESS_CERT *sc,int type) | |
d02b48c6 | 582 | { |
b56bce4f | 583 | sc->peer_cert_type = type; |
d02b48c6 RE |
584 | return(1); |
585 | } | |
586 | ||
f73e07cf | 587 | int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk) |
d02b48c6 RE |
588 | { |
589 | X509 *x; | |
590 | int i; | |
591 | X509_STORE_CTX ctx; | |
592 | ||
f73e07cf | 593 | if ((sk == NULL) || (sk_X509_num(sk) == 0)) |
d02b48c6 RE |
594 | return(0); |
595 | ||
f73e07cf | 596 | x=sk_X509_value(sk,0); |
79aa04ef GT |
597 | if(!X509_STORE_CTX_init(&ctx,s->ctx->cert_store,x,sk)) |
598 | { | |
599 | SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN,ERR_R_X509_LIB); | |
600 | return(0); | |
601 | } | |
5d7c222d | 602 | #if 0 |
7f89714e BM |
603 | if (SSL_get_verify_depth(s) >= 0) |
604 | X509_STORE_CTX_set_depth(&ctx, SSL_get_verify_depth(s)); | |
5d7c222d | 605 | #endif |
dd9d233e | 606 | X509_STORE_CTX_set_ex_data(&ctx,SSL_get_ex_data_X509_STORE_CTX_idx(),s); |
3ac82faa | 607 | |
5d7c222d | 608 | /* We need to inherit the verify parameters. These can be determined by |
bb7cd4e3 DSH |
609 | * the context: if its a server it will verify SSL client certificates |
610 | * or vice versa. | |
3ac82faa | 611 | */ |
bb7cd4e3 | 612 | |
5d7c222d DSH |
613 | X509_STORE_CTX_set_default(&ctx, |
614 | s->server ? "ssl_client" : "ssl_server"); | |
508c5352 DSH |
615 | /* Anything non-default in "param" should overwrite anything in the |
616 | * ctx. | |
617 | */ | |
746570e5 | 618 | X509_VERIFY_PARAM_set1(X509_STORE_CTX_get0_param(&ctx), s->param); |
d02b48c6 | 619 | |
e32c852e | 620 | if (s->verify_callback) |
be2e2c32 | 621 | X509_STORE_CTX_set_verify_cb(&ctx, s->verify_callback); |
1f0c9ad7 | 622 | |
d02b48c6 | 623 | if (s->ctx->app_verify_callback != NULL) |
023ec151 BM |
624 | #if 1 /* new with OpenSSL 0.9.7 */ |
625 | i=s->ctx->app_verify_callback(&ctx, s->ctx->app_verify_arg); | |
626 | #else | |
204cf1ab | 627 | i=s->ctx->app_verify_callback(&ctx); /* should pass app_verify_arg */ |
023ec151 | 628 | #endif |
d02b48c6 | 629 | else |
dfeab068 | 630 | { |
bc36ee62 | 631 | #ifndef OPENSSL_NO_X509_VERIFY |
d02b48c6 | 632 | i=X509_verify_cert(&ctx); |
dfeab068 RE |
633 | #else |
634 | i=0; | |
635 | ctx.error=X509_V_ERR_APPLICATION_VERIFICATION; | |
636 | SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN,SSL_R_NO_VERIFY_CALLBACK); | |
637 | #endif | |
638 | } | |
d02b48c6 | 639 | |
d02b48c6 | 640 | s->verify_result=ctx.error; |
dfeab068 | 641 | X509_STORE_CTX_cleanup(&ctx); |
d02b48c6 RE |
642 | |
643 | return(i); | |
644 | } | |
645 | ||
3822740c | 646 | static void set_client_CA_list(STACK_OF(X509_NAME) **ca_list,STACK_OF(X509_NAME) *name_list) |
d02b48c6 RE |
647 | { |
648 | if (*ca_list != NULL) | |
f73e07cf | 649 | sk_X509_NAME_pop_free(*ca_list,X509_NAME_free); |
d02b48c6 | 650 | |
3822740c | 651 | *ca_list=name_list; |
d02b48c6 RE |
652 | } |
653 | ||
838d25a1 | 654 | STACK_OF(X509_NAME) *SSL_dup_CA_list(STACK_OF(X509_NAME) *sk) |
d02b48c6 RE |
655 | { |
656 | int i; | |
838d25a1 | 657 | STACK_OF(X509_NAME) *ret; |
d02b48c6 RE |
658 | X509_NAME *name; |
659 | ||
838d25a1 BL |
660 | ret=sk_X509_NAME_new_null(); |
661 | for (i=0; i<sk_X509_NAME_num(sk); i++) | |
d02b48c6 | 662 | { |
838d25a1 BL |
663 | name=X509_NAME_dup(sk_X509_NAME_value(sk,i)); |
664 | if ((name == NULL) || !sk_X509_NAME_push(ret,name)) | |
d02b48c6 | 665 | { |
838d25a1 | 666 | sk_X509_NAME_pop_free(ret,X509_NAME_free); |
d02b48c6 RE |
667 | return(NULL); |
668 | } | |
669 | } | |
670 | return(ret); | |
671 | } | |
672 | ||
3822740c | 673 | void SSL_set_client_CA_list(SSL *s,STACK_OF(X509_NAME) *name_list) |
d02b48c6 | 674 | { |
3822740c | 675 | set_client_CA_list(&(s->client_CA),name_list); |
d02b48c6 RE |
676 | } |
677 | ||
3822740c | 678 | void SSL_CTX_set_client_CA_list(SSL_CTX *ctx,STACK_OF(X509_NAME) *name_list) |
d02b48c6 | 679 | { |
3822740c | 680 | set_client_CA_list(&(ctx->client_CA),name_list); |
d02b48c6 RE |
681 | } |
682 | ||
0821bcd4 | 683 | STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *ctx) |
d02b48c6 RE |
684 | { |
685 | return(ctx->client_CA); | |
686 | } | |
687 | ||
0821bcd4 | 688 | STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s) |
d02b48c6 RE |
689 | { |
690 | if (s->type == SSL_ST_CONNECT) | |
691 | { /* we are in the client */ | |
58964a49 RE |
692 | if (((s->version>>8) == SSL3_VERSION_MAJOR) && |
693 | (s->s3 != NULL)) | |
d02b48c6 RE |
694 | return(s->s3->tmp.ca_names); |
695 | else | |
696 | return(NULL); | |
697 | } | |
698 | else | |
699 | { | |
700 | if (s->client_CA != NULL) | |
701 | return(s->client_CA); | |
702 | else | |
703 | return(s->ctx->client_CA); | |
704 | } | |
705 | } | |
706 | ||
f73e07cf | 707 | static int add_client_CA(STACK_OF(X509_NAME) **sk,X509 *x) |
d02b48c6 RE |
708 | { |
709 | X509_NAME *name; | |
710 | ||
711 | if (x == NULL) return(0); | |
f73e07cf | 712 | if ((*sk == NULL) && ((*sk=sk_X509_NAME_new_null()) == NULL)) |
d02b48c6 RE |
713 | return(0); |
714 | ||
715 | if ((name=X509_NAME_dup(X509_get_subject_name(x))) == NULL) | |
716 | return(0); | |
717 | ||
f73e07cf | 718 | if (!sk_X509_NAME_push(*sk,name)) |
d02b48c6 RE |
719 | { |
720 | X509_NAME_free(name); | |
721 | return(0); | |
722 | } | |
723 | return(1); | |
724 | } | |
725 | ||
eb90a483 | 726 | int SSL_add_client_CA(SSL *ssl,X509 *x) |
d02b48c6 RE |
727 | { |
728 | return(add_client_CA(&(ssl->client_CA),x)); | |
729 | } | |
730 | ||
eb90a483 | 731 | int SSL_CTX_add_client_CA(SSL_CTX *ctx,X509 *x) |
d02b48c6 RE |
732 | { |
733 | return(add_client_CA(&(ctx->client_CA),x)); | |
734 | } | |
735 | ||
ccd86b68 | 736 | static int xname_cmp(const X509_NAME * const *a, const X509_NAME * const *b) |
d02b48c6 RE |
737 | { |
738 | return(X509_NAME_cmp(*a,*b)); | |
739 | } | |
740 | ||
bc36ee62 | 741 | #ifndef OPENSSL_NO_STDIO |
eb90a483 BL |
742 | /*! |
743 | * Load CA certs from a file into a ::STACK. Note that it is somewhat misnamed; | |
744 | * it doesn't really have anything to do with clients (except that a common use | |
745 | * for a stack of CAs is to send it to the client). Actually, it doesn't have | |
746 | * much to do with CAs, either, since it will load any old cert. | |
747 | * \param file the file containing one or more certs. | |
748 | * \return a ::STACK containing the certs. | |
749 | */ | |
f73e07cf | 750 | STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file) |
d02b48c6 RE |
751 | { |
752 | BIO *in; | |
753 | X509 *x=NULL; | |
754 | X509_NAME *xn=NULL; | |
1d42741a | 755 | STACK_OF(X509_NAME) *ret = NULL,*sk; |
d02b48c6 | 756 | |
bb7cd4e3 | 757 | sk=sk_X509_NAME_new(xname_cmp); |
58964a49 RE |
758 | |
759 | in=BIO_new(BIO_s_file_internal()); | |
760 | ||
1d42741a | 761 | if ((sk == NULL) || (in == NULL)) |
d02b48c6 RE |
762 | { |
763 | SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE,ERR_R_MALLOC_FAILURE); | |
764 | goto err; | |
765 | } | |
766 | ||
767 | if (!BIO_read_filename(in,file)) | |
768 | goto err; | |
769 | ||
770 | for (;;) | |
771 | { | |
74678cc2 | 772 | if (PEM_read_bio_X509(in,&x,NULL,NULL) == NULL) |
d02b48c6 | 773 | break; |
1d42741a NL |
774 | if (ret == NULL) |
775 | { | |
776 | ret = sk_X509_NAME_new_null(); | |
777 | if (ret == NULL) | |
778 | { | |
779 | SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE,ERR_R_MALLOC_FAILURE); | |
780 | goto err; | |
781 | } | |
782 | } | |
d02b48c6 RE |
783 | if ((xn=X509_get_subject_name(x)) == NULL) goto err; |
784 | /* check for duplicates */ | |
785 | xn=X509_NAME_dup(xn); | |
786 | if (xn == NULL) goto err; | |
f73e07cf | 787 | if (sk_X509_NAME_find(sk,xn) >= 0) |
d02b48c6 RE |
788 | X509_NAME_free(xn); |
789 | else | |
790 | { | |
f73e07cf BL |
791 | sk_X509_NAME_push(sk,xn); |
792 | sk_X509_NAME_push(ret,xn); | |
d02b48c6 RE |
793 | } |
794 | } | |
795 | ||
796 | if (0) | |
797 | { | |
798 | err: | |
f73e07cf | 799 | if (ret != NULL) sk_X509_NAME_pop_free(ret,X509_NAME_free); |
d02b48c6 RE |
800 | ret=NULL; |
801 | } | |
f73e07cf | 802 | if (sk != NULL) sk_X509_NAME_free(sk); |
d02b48c6 RE |
803 | if (in != NULL) BIO_free(in); |
804 | if (x != NULL) X509_free(x); | |
1d42741a NL |
805 | if (ret != NULL) |
806 | ERR_clear_error(); | |
d02b48c6 RE |
807 | return(ret); |
808 | } | |
58964a49 | 809 | #endif |
d02b48c6 | 810 | |
eb90a483 BL |
811 | /*! |
812 | * Add a file of certs to a stack. | |
813 | * \param stack the stack to add to. | |
814 | * \param file the file to add from. All certs in this file that are not | |
815 | * already in the stack will be added. | |
816 | * \return 1 for success, 0 for failure. Note that in the case of failure some | |
817 | * certs may have been added to \c stack. | |
818 | */ | |
819 | ||
661b361b BL |
820 | int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, |
821 | const char *file) | |
eb90a483 | 822 | { |
2ea09100 BM |
823 | BIO *in; |
824 | X509 *x=NULL; | |
825 | X509_NAME *xn=NULL; | |
826 | int ret=1; | |
ccd86b68 | 827 | int (*oldcmp)(const X509_NAME * const *a, const X509_NAME * const *b); |
eb90a483 | 828 | |
2ea09100 BM |
829 | oldcmp=sk_X509_NAME_set_cmp_func(stack,xname_cmp); |
830 | ||
831 | in=BIO_new(BIO_s_file_internal()); | |
832 | ||
833 | if (in == NULL) | |
834 | { | |
835 | SSLerr(SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK,ERR_R_MALLOC_FAILURE); | |
836 | goto err; | |
837 | } | |
838 | ||
839 | if (!BIO_read_filename(in,file)) | |
840 | goto err; | |
841 | ||
842 | for (;;) | |
843 | { | |
844 | if (PEM_read_bio_X509(in,&x,NULL,NULL) == NULL) | |
845 | break; | |
846 | if ((xn=X509_get_subject_name(x)) == NULL) goto err; | |
847 | xn=X509_NAME_dup(xn); | |
848 | if (xn == NULL) goto err; | |
849 | if (sk_X509_NAME_find(stack,xn) >= 0) | |
850 | X509_NAME_free(xn); | |
851 | else | |
852 | sk_X509_NAME_push(stack,xn); | |
853 | } | |
eb90a483 | 854 | |
a3a06e65 DSH |
855 | ERR_clear_error(); |
856 | ||
2ea09100 BM |
857 | if (0) |
858 | { | |
eb90a483 | 859 | err: |
2ea09100 BM |
860 | ret=0; |
861 | } | |
862 | if(in != NULL) | |
863 | BIO_free(in); | |
864 | if(x != NULL) | |
865 | X509_free(x); | |
866 | ||
a6fbcb42 | 867 | (void)sk_X509_NAME_set_cmp_func(stack,oldcmp); |
eb90a483 | 868 | |
2ea09100 BM |
869 | return ret; |
870 | } | |
eb90a483 BL |
871 | |
872 | /*! | |
873 | * Add a directory of certs to a stack. | |
874 | * \param stack the stack to append to. | |
875 | * \param dir the directory to append from. All files in this directory will be | |
876 | * examined as potential certs. Any that are acceptable to | |
72e442a3 | 877 | * SSL_add_dir_cert_subjects_to_stack() that are not already in the stack will be |
eb90a483 BL |
878 | * included. |
879 | * \return 1 for success, 0 for failure. Note that in the case of failure some | |
880 | * certs may have been added to \c stack. | |
881 | */ | |
882 | ||
661b361b BL |
883 | int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, |
884 | const char *dir) | |
eb90a483 | 885 | { |
4083a229 RL |
886 | OPENSSL_DIR_CTX *d = NULL; |
887 | const char *filename; | |
2ea09100 | 888 | int ret = 0; |
eb90a483 | 889 | |
2ea09100 | 890 | CRYPTO_w_lock(CRYPTO_LOCK_READDIR); |
eb90a483 | 891 | |
2ea09100 | 892 | /* Note that a side effect is that the CAs will be sorted by name */ |
4083a229 RL |
893 | |
894 | while((filename = OPENSSL_DIR_read(&d, dir))) | |
2ea09100 BM |
895 | { |
896 | char buf[1024]; | |
897 | int r; | |
4083a229 RL |
898 | |
899 | if(strlen(dir)+strlen(filename)+2 > sizeof buf) | |
2ea09100 BM |
900 | { |
901 | SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK,SSL_R_PATH_TOO_LONG); | |
902 | goto err; | |
903 | } | |
4083a229 RL |
904 | |
905 | #ifdef OPENSSL_SYS_VMS | |
906 | r = BIO_snprintf(buf,sizeof buf,"%s%s",dir,filename); | |
907 | #else | |
908 | r = BIO_snprintf(buf,sizeof buf,"%s/%s",dir,filename); | |
909 | #endif | |
27545970 | 910 | if (r <= 0 || r >= (int)sizeof(buf)) |
2ea09100 BM |
911 | goto err; |
912 | if(!SSL_add_file_cert_subjects_to_stack(stack,buf)) | |
913 | goto err; | |
914 | } | |
0bf23d9b | 915 | |
4083a229 | 916 | if (errno) |
285046ec RL |
917 | { |
918 | SYSerr(SYS_F_OPENDIR, get_last_sys_error()); | |
4083a229 | 919 | ERR_add_error_data(3, "OPENSSL_DIR_read(&ctx, '", dir, "')"); |
285046ec | 920 | SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK, ERR_R_SYS_LIB); |
4083a229 | 921 | goto err; |
285046ec | 922 | } |
4083a229 | 923 | |
285046ec RL |
924 | ret = 1; |
925 | ||
6176df94 | 926 | err: |
4083a229 | 927 | if (d) OPENSSL_DIR_end(&d); |
285046ec RL |
928 | CRYPTO_w_unlock(CRYPTO_LOCK_READDIR); |
929 | return ret; | |
930 | } | |
931 | ||
4379d0e4 DSH |
932 | /* Add a certificate to a BUF_MEM structure */ |
933 | ||
934 | static int ssl_add_cert_to_buf(BUF_MEM *buf, unsigned long *l, X509 *x) | |
935 | { | |
936 | int n; | |
937 | unsigned char *p; | |
938 | ||
939 | n=i2d_X509(x,NULL); | |
940 | if (!BUF_MEM_grow_clean(buf,(int)(n+(*l)+3))) | |
941 | { | |
942 | SSLerr(SSL_F_SSL_ADD_CERT_TO_BUF,ERR_R_BUF_LIB); | |
943 | return 0; | |
944 | } | |
945 | p=(unsigned char *)&(buf->data[*l]); | |
946 | l2n3(n,p); | |
947 | i2d_X509(x,&p); | |
948 | *l+=n+3; | |
949 | ||
950 | return 1; | |
951 | } | |
952 | ||
953 | /* Add certificate chain to internal SSL BUF_MEM strcuture */ | |
c526ed41 | 954 | int ssl_add_cert_chain(SSL *s, CERT_PKEY *cpk, unsigned long *l) |
4379d0e4 DSH |
955 | { |
956 | BUF_MEM *buf = s->init_buf; | |
957 | int no_chain; | |
958 | int i; | |
959 | ||
c526ed41 | 960 | X509 *x; |
f71c6e52 | 961 | STACK_OF(X509) *extra_certs; |
c526ed41 DSH |
962 | |
963 | if (cpk) | |
964 | x = cpk->x509; | |
965 | else | |
966 | x = NULL; | |
967 | ||
f71c6e52 DSH |
968 | /* If we have a certificate specific chain use it, else use |
969 | * parent ctx. | |
970 | */ | |
971 | if (cpk && cpk->chain) | |
972 | extra_certs = cpk->chain; | |
973 | else | |
974 | extra_certs = s->ctx->extra_certs; | |
975 | ||
976 | if ((s->mode & SSL_MODE_NO_AUTO_CHAIN) || extra_certs) | |
4379d0e4 DSH |
977 | no_chain = 1; |
978 | else | |
979 | no_chain = 0; | |
980 | ||
981 | /* TLSv1 sends a chain with nothing in it, instead of an alert */ | |
982 | if (!BUF_MEM_grow_clean(buf,10)) | |
983 | { | |
984 | SSLerr(SSL_F_SSL_ADD_CERT_CHAIN,ERR_R_BUF_LIB); | |
985 | return 0; | |
986 | } | |
987 | if (x != NULL) | |
988 | { | |
989 | if (no_chain) | |
990 | { | |
991 | if (!ssl_add_cert_to_buf(buf, l, x)) | |
992 | return 0; | |
993 | } | |
994 | else | |
995 | { | |
996 | X509_STORE_CTX xs_ctx; | |
997 | ||
998 | if (!X509_STORE_CTX_init(&xs_ctx,s->ctx->cert_store,x,NULL)) | |
999 | { | |
1000 | SSLerr(SSL_F_SSL_ADD_CERT_CHAIN,ERR_R_X509_LIB); | |
1001 | return(0); | |
1002 | } | |
1003 | X509_verify_cert(&xs_ctx); | |
1004 | /* Don't leave errors in the queue */ | |
1005 | ERR_clear_error(); | |
1006 | for (i=0; i < sk_X509_num(xs_ctx.chain); i++) | |
1007 | { | |
1008 | x = sk_X509_value(xs_ctx.chain, i); | |
1009 | ||
febec8ff | 1010 | if (!ssl_add_cert_to_buf(buf, l, x)) |
4379d0e4 DSH |
1011 | { |
1012 | X509_STORE_CTX_cleanup(&xs_ctx); | |
1013 | return 0; | |
1014 | } | |
1015 | } | |
1016 | X509_STORE_CTX_cleanup(&xs_ctx); | |
1017 | } | |
1018 | } | |
f71c6e52 | 1019 | for (i=0; i<sk_X509_num(extra_certs); i++) |
4379d0e4 | 1020 | { |
f71c6e52 | 1021 | x=sk_X509_value(extra_certs,i); |
4379d0e4 DSH |
1022 | if (!ssl_add_cert_to_buf(buf, l, x)) |
1023 | return 0; | |
1024 | } | |
1025 | ||
1026 | return 1; | |
1027 | } | |
1028 |