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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 | ||
4453cd8c | 163 | void ssl_cert_set_default_md(CERT *cert) |
6b7be581 DSH |
164 | { |
165 | /* Set digest values to defaults */ | |
166 | #ifndef OPENSSL_NO_DSA | |
be681e12 | 167 | cert->pkeys[SSL_PKEY_DSA_SIGN].digest = EVP_sha1(); |
6b7be581 DSH |
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 | |
be681e12 | 174 | cert->pkeys[SSL_PKEY_ECC].digest = EVP_sha1(); |
6b7be581 DSH |
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; | |
a4352630 | 273 | ret->ecdh_tmp_auto = cert->ecdh_tmp_auto; |
ea262260 BM |
274 | #endif |
275 | ||
ca8e5b9b BM |
276 | for (i = 0; i < SSL_PKEY_NUM; i++) |
277 | { | |
9ade64de DSH |
278 | CERT_PKEY *cpk = cert->pkeys + i; |
279 | CERT_PKEY *rpk = ret->pkeys + i; | |
280 | if (cpk->x509 != NULL) | |
ca8e5b9b | 281 | { |
9ade64de DSH |
282 | rpk->x509 = cpk->x509; |
283 | CRYPTO_add(&rpk->x509->references, 1, CRYPTO_LOCK_X509); | |
ca8e5b9b BM |
284 | } |
285 | ||
9ade64de | 286 | if (cpk->privatekey != NULL) |
ca8e5b9b | 287 | { |
9ade64de DSH |
288 | rpk->privatekey = cpk->privatekey; |
289 | CRYPTO_add(&cpk->privatekey->references, 1, | |
ca8e5b9b BM |
290 | CRYPTO_LOCK_EVP_PKEY); |
291 | ||
292 | switch(i) | |
293 | { | |
294 | /* If there was anything special to do for | |
295 | * certain types of keys, we'd do it here. | |
296 | * (Nothing at the moment, I think.) */ | |
297 | ||
298 | case SSL_PKEY_RSA_ENC: | |
299 | case SSL_PKEY_RSA_SIGN: | |
300 | /* We have an RSA key. */ | |
301 | break; | |
302 | ||
303 | case SSL_PKEY_DSA_SIGN: | |
304 | /* We have a DSA key. */ | |
305 | break; | |
306 | ||
307 | case SSL_PKEY_DH_RSA: | |
308 | case SSL_PKEY_DH_DSA: | |
309 | /* We have a DH key. */ | |
310 | break; | |
ea262260 BM |
311 | |
312 | case SSL_PKEY_ECC: | |
313 | /* We have an ECC key */ | |
314 | break; | |
315 | ||
ca8e5b9b BM |
316 | default: |
317 | /* Can't happen. */ | |
318 | SSLerr(SSL_F_SSL_CERT_DUP, SSL_R_LIBRARY_BUG); | |
319 | } | |
320 | } | |
f71c6e52 DSH |
321 | |
322 | if (cpk->chain) | |
323 | { | |
3b0648eb | 324 | rpk->chain = X509_chain_up_ref(cpk->chain); |
f71c6e52 DSH |
325 | if (!rpk->chain) |
326 | { | |
327 | SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE); | |
328 | goto err; | |
329 | } | |
f71c6e52 | 330 | } |
d61ff83b | 331 | rpk->valid_flags = 0; |
a398f821 | 332 | #ifndef OPENSSL_NO_TLSEXT |
a398f821 T |
333 | if (cert->pkeys[i].serverinfo != NULL) |
334 | { | |
335 | /* Just copy everything. */ | |
a398f821 | 336 | ret->pkeys[i].serverinfo = |
5382adbf | 337 | OPENSSL_malloc(cert->pkeys[i].serverinfo_length); |
a398f821 T |
338 | if (ret->pkeys[i].serverinfo == NULL) |
339 | { | |
340 | SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE); | |
341 | return NULL; | |
342 | } | |
5382adbf T |
343 | ret->pkeys[i].serverinfo_length = |
344 | cert->pkeys[i].serverinfo_length; | |
a398f821 T |
345 | memcpy(ret->pkeys[i].serverinfo, |
346 | cert->pkeys[i].serverinfo, | |
347 | cert->pkeys[i].serverinfo_length); | |
348 | } | |
349 | #endif | |
ca8e5b9b BM |
350 | } |
351 | ||
ca8e5b9b | 352 | ret->references=1; |
6b7be581 DSH |
353 | /* Set digests to defaults. NB: we don't copy existing values as they |
354 | * will be set during handshake. | |
355 | */ | |
356 | ssl_cert_set_default_md(ret); | |
0f229cce DSH |
357 | /* Peer sigalgs set to NULL as we get these from handshake too */ |
358 | ret->peer_sigalgs = NULL; | |
359 | ret->peer_sigalgslen = 0; | |
3dbc46df DSH |
360 | /* Configured sigalgs however we copy across */ |
361 | ||
0f229cce DSH |
362 | if (cert->conf_sigalgs) |
363 | { | |
3dbc46df | 364 | ret->conf_sigalgs = OPENSSL_malloc(cert->conf_sigalgslen); |
0f229cce DSH |
365 | if (!ret->conf_sigalgs) |
366 | goto err; | |
367 | memcpy(ret->conf_sigalgs, cert->conf_sigalgs, | |
3dbc46df | 368 | cert->conf_sigalgslen); |
0f229cce DSH |
369 | ret->conf_sigalgslen = cert->conf_sigalgslen; |
370 | } | |
371 | else | |
372 | ret->conf_sigalgs = NULL; | |
3dbc46df DSH |
373 | |
374 | if (cert->client_sigalgs) | |
375 | { | |
376 | ret->client_sigalgs = OPENSSL_malloc(cert->client_sigalgslen); | |
377 | if (!ret->client_sigalgs) | |
378 | goto err; | |
379 | memcpy(ret->client_sigalgs, cert->client_sigalgs, | |
380 | cert->client_sigalgslen); | |
381 | ret->client_sigalgslen = cert->client_sigalgslen; | |
382 | } | |
383 | else | |
384 | ret->client_sigalgs = NULL; | |
4453cd8c DSH |
385 | /* Shared sigalgs also NULL */ |
386 | ret->shared_sigalgs = NULL; | |
9f27b1ee DSH |
387 | /* Copy any custom client certificate types */ |
388 | if (cert->ctypes) | |
389 | { | |
390 | ret->ctypes = OPENSSL_malloc(cert->ctype_num); | |
391 | if (!ret->ctypes) | |
392 | goto err; | |
393 | memcpy(ret->ctypes, cert->ctypes, cert->ctype_num); | |
394 | ret->ctype_num = cert->ctype_num; | |
395 | } | |
ca8e5b9b | 396 | |
d61ff83b DSH |
397 | ret->cert_flags = cert->cert_flags; |
398 | ||
18d71588 DSH |
399 | ret->cert_cb = cert->cert_cb; |
400 | ret->cert_cb_arg = cert->cert_cb_arg; | |
401 | ||
74ecfab4 DSH |
402 | if (cert->verify_store) |
403 | { | |
404 | CRYPTO_add(&cert->verify_store->references, 1, CRYPTO_LOCK_X509_STORE); | |
405 | ret->verify_store = cert->verify_store; | |
406 | } | |
407 | ||
408 | if (cert->chain_store) | |
409 | { | |
410 | CRYPTO_add(&cert->chain_store->references, 1, CRYPTO_LOCK_X509_STORE); | |
411 | ret->chain_store = cert->chain_store; | |
412 | } | |
413 | ||
94a209d8 DSH |
414 | ret->ciphers_raw = NULL; |
415 | ||
ca8e5b9b BM |
416 | return(ret); |
417 | ||
f71165b5 | 418 | #if !defined(OPENSSL_NO_DH) || !defined(OPENSSL_NO_ECDH) |
ca8e5b9b | 419 | err: |
3c758be8 | 420 | #endif |
bc36ee62 | 421 | #ifndef OPENSSL_NO_RSA |
ca8e5b9b BM |
422 | if (ret->rsa_tmp != NULL) |
423 | RSA_free(ret->rsa_tmp); | |
424 | #endif | |
bc36ee62 | 425 | #ifndef OPENSSL_NO_DH |
ca8e5b9b BM |
426 | if (ret->dh_tmp != NULL) |
427 | DH_free(ret->dh_tmp); | |
428 | #endif | |
ea262260 BM |
429 | #ifndef OPENSSL_NO_ECDH |
430 | if (ret->ecdh_tmp != NULL) | |
431 | EC_KEY_free(ret->ecdh_tmp); | |
432 | #endif | |
ca8e5b9b | 433 | |
a5ee80b9 | 434 | ssl_cert_clear_certs(ret); |
9ade64de | 435 | |
ca8e5b9b BM |
436 | return NULL; |
437 | } | |
438 | ||
a5ee80b9 DSH |
439 | /* Free up and clear all certificates and chains */ |
440 | ||
441 | void ssl_cert_clear_certs(CERT *c) | |
442 | { | |
443 | int i; | |
444 | if (c == NULL) | |
445 | return; | |
446 | for (i = 0; i<SSL_PKEY_NUM; i++) | |
447 | { | |
448 | CERT_PKEY *cpk = c->pkeys + i; | |
449 | if (cpk->x509) | |
450 | { | |
451 | X509_free(cpk->x509); | |
452 | cpk->x509 = NULL; | |
453 | } | |
454 | if (cpk->privatekey) | |
455 | { | |
456 | EVP_PKEY_free(cpk->privatekey); | |
457 | cpk->privatekey = NULL; | |
458 | } | |
459 | if (cpk->chain) | |
460 | { | |
461 | sk_X509_pop_free(cpk->chain, X509_free); | |
462 | cpk->chain = NULL; | |
463 | } | |
464 | #ifndef OPENSSL_NO_TLSEXT | |
a398f821 T |
465 | if (cpk->serverinfo) |
466 | { | |
467 | OPENSSL_free(cpk->serverinfo); | |
468 | cpk->serverinfo = NULL; | |
5382adbf | 469 | cpk->serverinfo_length = 0; |
a398f821 | 470 | } |
a5ee80b9 | 471 | #endif |
6dbb6219 DSH |
472 | /* Clear all flags apart from explicit sign */ |
473 | cpk->valid_flags &= CERT_PKEY_EXPLICIT_SIGN; | |
a5ee80b9 DSH |
474 | } |
475 | } | |
ca8e5b9b | 476 | |
eb90a483 | 477 | void ssl_cert_free(CERT *c) |
d02b48c6 RE |
478 | { |
479 | int i; | |
480 | ||
e03ddfae BL |
481 | if(c == NULL) |
482 | return; | |
483 | ||
d02b48c6 | 484 | i=CRYPTO_add(&c->references,-1,CRYPTO_LOCK_SSL_CERT); |
58964a49 RE |
485 | #ifdef REF_PRINT |
486 | REF_PRINT("CERT",c); | |
487 | #endif | |
d02b48c6 RE |
488 | if (i > 0) return; |
489 | #ifdef REF_CHECK | |
490 | if (i < 0) | |
491 | { | |
492 | fprintf(stderr,"ssl_cert_free, bad reference count\n"); | |
493 | abort(); /* ok */ | |
494 | } | |
495 | #endif | |
496 | ||
bc36ee62 | 497 | #ifndef OPENSSL_NO_RSA |
d02b48c6 RE |
498 | if (c->rsa_tmp) RSA_free(c->rsa_tmp); |
499 | #endif | |
bc36ee62 | 500 | #ifndef OPENSSL_NO_DH |
d02b48c6 RE |
501 | if (c->dh_tmp) DH_free(c->dh_tmp); |
502 | #endif | |
ea262260 BM |
503 | #ifndef OPENSSL_NO_ECDH |
504 | if (c->ecdh_tmp) EC_KEY_free(c->ecdh_tmp); | |
505 | #endif | |
d02b48c6 | 506 | |
a5ee80b9 | 507 | ssl_cert_clear_certs(c); |
0f229cce DSH |
508 | if (c->peer_sigalgs) |
509 | OPENSSL_free(c->peer_sigalgs); | |
510 | if (c->conf_sigalgs) | |
511 | OPENSSL_free(c->conf_sigalgs); | |
3dbc46df DSH |
512 | if (c->client_sigalgs) |
513 | OPENSSL_free(c->client_sigalgs); | |
4453cd8c DSH |
514 | if (c->shared_sigalgs) |
515 | OPENSSL_free(c->shared_sigalgs); | |
9f27b1ee DSH |
516 | if (c->ctypes) |
517 | OPENSSL_free(c->ctypes); | |
74ecfab4 DSH |
518 | if (c->verify_store) |
519 | X509_STORE_free(c->verify_store); | |
520 | if (c->chain_store) | |
521 | X509_STORE_free(c->chain_store); | |
94a209d8 DSH |
522 | if (c->ciphers_raw) |
523 | OPENSSL_free(c->ciphers_raw); | |
26a3a48d | 524 | OPENSSL_free(c); |
d02b48c6 RE |
525 | } |
526 | ||
ca8e5b9b BM |
527 | int ssl_cert_inst(CERT **o) |
528 | { | |
529 | /* Create a CERT if there isn't already one | |
530 | * (which cannot really happen, as it is initially created in | |
531 | * SSL_CTX_new; but the earlier code usually allows for that one | |
532 | * being non-existant, so we follow that behaviour, as it might | |
1c3e0a19 BM |
533 | * turn out that there actually is a reason for it -- but I'm |
534 | * not sure that *all* of the existing code could cope with | |
535 | * s->cert being NULL, otherwise we could do without the | |
536 | * initialization in SSL_CTX_new). | |
537 | */ | |
538 | ||
ca8e5b9b BM |
539 | if (o == NULL) |
540 | { | |
541 | SSLerr(SSL_F_SSL_CERT_INST, ERR_R_PASSED_NULL_PARAMETER); | |
542 | return(0); | |
543 | } | |
544 | if (*o == NULL) | |
545 | { | |
546 | if ((*o = ssl_cert_new()) == NULL) | |
547 | { | |
548 | SSLerr(SSL_F_SSL_CERT_INST, ERR_R_MALLOC_FAILURE); | |
549 | return(0); | |
550 | } | |
551 | } | |
552 | return(1); | |
553 | } | |
554 | ||
f71c6e52 DSH |
555 | int ssl_cert_set0_chain(CERT *c, STACK_OF(X509) *chain) |
556 | { | |
557 | CERT_PKEY *cpk = c->key; | |
558 | if (!cpk) | |
559 | return 0; | |
560 | if (cpk->chain) | |
561 | sk_X509_pop_free(cpk->chain, X509_free); | |
562 | cpk->chain = chain; | |
563 | return 1; | |
564 | } | |
565 | ||
566 | int ssl_cert_set1_chain(CERT *c, STACK_OF(X509) *chain) | |
567 | { | |
568 | STACK_OF(X509) *dchain; | |
f71c6e52 DSH |
569 | if (!chain) |
570 | return ssl_cert_set0_chain(c, NULL); | |
3b0648eb | 571 | dchain = X509_chain_up_ref(chain); |
f71c6e52 DSH |
572 | if (!dchain) |
573 | return 0; | |
f71c6e52 DSH |
574 | if (!ssl_cert_set0_chain(c, dchain)) |
575 | { | |
576 | sk_X509_pop_free(dchain, X509_free); | |
577 | return 0; | |
578 | } | |
579 | return 1; | |
580 | } | |
581 | ||
582 | int ssl_cert_add0_chain_cert(CERT *c, X509 *x) | |
583 | { | |
584 | CERT_PKEY *cpk = c->key; | |
585 | if (!cpk) | |
586 | return 0; | |
587 | if (!cpk->chain) | |
588 | cpk->chain = sk_X509_new_null(); | |
589 | if (!cpk->chain || !sk_X509_push(cpk->chain, x)) | |
590 | return 0; | |
591 | return 1; | |
592 | } | |
593 | ||
594 | int ssl_cert_add1_chain_cert(CERT *c, X509 *x) | |
595 | { | |
596 | if (!ssl_cert_add0_chain_cert(c, x)) | |
597 | return 0; | |
598 | CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509); | |
599 | return 1; | |
600 | } | |
7b6b246f RS |
601 | |
602 | int ssl_cert_select_current(CERT *c, X509 *x) | |
603 | { | |
604 | int i; | |
629b640b DSH |
605 | if (x == NULL) |
606 | return 0; | |
7b6b246f RS |
607 | for (i = 0; i < SSL_PKEY_NUM; i++) |
608 | { | |
358d352a DSH |
609 | CERT_PKEY *cpk = c->pkeys + i; |
610 | if (cpk->x509 == x && cpk->privatekey) | |
7b6b246f | 611 | { |
358d352a | 612 | c->key = cpk; |
7b6b246f RS |
613 | return 1; |
614 | } | |
615 | } | |
629b640b DSH |
616 | |
617 | for (i = 0; i < SSL_PKEY_NUM; i++) | |
618 | { | |
358d352a DSH |
619 | CERT_PKEY *cpk = c->pkeys + i; |
620 | if (cpk->privatekey && cpk->x509 && !X509_cmp(cpk->x509, x)) | |
629b640b | 621 | { |
358d352a | 622 | c->key = cpk; |
629b640b DSH |
623 | return 1; |
624 | } | |
625 | } | |
7b6b246f RS |
626 | return 0; |
627 | } | |
0f78819c DSH |
628 | |
629 | int ssl_cert_set_current(CERT *c, long op) | |
630 | { | |
631 | int i, idx; | |
632 | if (!c) | |
633 | return 0; | |
634 | if (op == SSL_CERT_SET_FIRST) | |
635 | idx = 0; | |
636 | else if (op == SSL_CERT_SET_NEXT) | |
637 | { | |
638 | idx = (int)(c->key - c->pkeys + 1); | |
639 | if (idx >= SSL_PKEY_NUM) | |
640 | return 0; | |
641 | } | |
642 | else | |
643 | return 0; | |
644 | for (i = idx; i < SSL_PKEY_NUM; i++) | |
645 | { | |
358d352a DSH |
646 | CERT_PKEY *cpk = c->key + i; |
647 | if (cpk->x509 && cpk->privatekey) | |
0f78819c | 648 | { |
358d352a | 649 | c->key = cpk; |
0f78819c DSH |
650 | return 1; |
651 | } | |
652 | } | |
653 | return 0; | |
654 | } | |
b56bce4f | 655 | |
18d71588 DSH |
656 | void ssl_cert_set_cert_cb(CERT *c, int (*cb)(SSL *ssl, void *arg), void *arg) |
657 | { | |
658 | c->cert_cb = cb; | |
659 | c->cert_cb_arg = arg; | |
660 | } | |
661 | ||
b56bce4f | 662 | SESS_CERT *ssl_sess_cert_new(void) |
15d21c2d | 663 | { |
b56bce4f BM |
664 | SESS_CERT *ret; |
665 | ||
26a3a48d | 666 | ret = OPENSSL_malloc(sizeof *ret); |
b56bce4f | 667 | if (ret == NULL) |
15d21c2d | 668 | { |
b56bce4f BM |
669 | SSLerr(SSL_F_SSL_SESS_CERT_NEW, ERR_R_MALLOC_FAILURE); |
670 | return NULL; | |
15d21c2d | 671 | } |
b56bce4f BM |
672 | |
673 | memset(ret, 0 ,sizeof *ret); | |
674 | ret->peer_key = &(ret->peer_pkeys[SSL_PKEY_RSA_ENC]); | |
675 | ret->references = 1; | |
676 | ||
677 | return ret; | |
678 | } | |
679 | ||
680 | void ssl_sess_cert_free(SESS_CERT *sc) | |
681 | { | |
682 | int i; | |
683 | ||
684 | if (sc == NULL) | |
685 | return; | |
686 | ||
687 | i = CRYPTO_add(&sc->references, -1, CRYPTO_LOCK_SSL_SESS_CERT); | |
688 | #ifdef REF_PRINT | |
689 | REF_PRINT("SESS_CERT", sc); | |
690 | #endif | |
691 | if (i > 0) | |
692 | return; | |
693 | #ifdef REF_CHECK | |
694 | if (i < 0) | |
15d21c2d | 695 | { |
b56bce4f BM |
696 | fprintf(stderr,"ssl_sess_cert_free, bad reference count\n"); |
697 | abort(); /* ok */ | |
15d21c2d | 698 | } |
ca8e5b9b | 699 | #endif |
15d21c2d | 700 | |
b56bce4f BM |
701 | /* i == 0 */ |
702 | if (sc->cert_chain != NULL) | |
703 | sk_X509_pop_free(sc->cert_chain, X509_free); | |
704 | for (i = 0; i < SSL_PKEY_NUM; i++) | |
705 | { | |
706 | if (sc->peer_pkeys[i].x509 != NULL) | |
707 | X509_free(sc->peer_pkeys[i].x509); | |
708 | #if 0 /* We don't have the peer's private key. These lines are just | |
709 | * here as a reminder that we're still using a not-quite-appropriate | |
710 | * data structure. */ | |
711 | if (sc->peer_pkeys[i].privatekey != NULL) | |
712 | EVP_PKEY_free(sc->peer_pkeys[i].privatekey); | |
713 | #endif | |
714 | } | |
715 | ||
bc36ee62 | 716 | #ifndef OPENSSL_NO_RSA |
b56bce4f BM |
717 | if (sc->peer_rsa_tmp != NULL) |
718 | RSA_free(sc->peer_rsa_tmp); | |
719 | #endif | |
bc36ee62 | 720 | #ifndef OPENSSL_NO_DH |
b56bce4f BM |
721 | if (sc->peer_dh_tmp != NULL) |
722 | DH_free(sc->peer_dh_tmp); | |
723 | #endif | |
ea262260 BM |
724 | #ifndef OPENSSL_NO_ECDH |
725 | if (sc->peer_ecdh_tmp != NULL) | |
726 | EC_KEY_free(sc->peer_ecdh_tmp); | |
727 | #endif | |
b56bce4f | 728 | |
26a3a48d | 729 | OPENSSL_free(sc); |
b56bce4f BM |
730 | } |
731 | ||
732 | int ssl_set_peer_cert_type(SESS_CERT *sc,int type) | |
d02b48c6 | 733 | { |
b56bce4f | 734 | sc->peer_cert_type = type; |
d02b48c6 RE |
735 | return(1); |
736 | } | |
737 | ||
f73e07cf | 738 | int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk) |
d02b48c6 RE |
739 | { |
740 | X509 *x; | |
741 | int i; | |
74ecfab4 | 742 | X509_STORE *verify_store; |
d02b48c6 RE |
743 | X509_STORE_CTX ctx; |
744 | ||
74ecfab4 DSH |
745 | if (s->cert->verify_store) |
746 | verify_store = s->cert->verify_store; | |
747 | else | |
748 | verify_store = s->ctx->cert_store; | |
749 | ||
f73e07cf | 750 | if ((sk == NULL) || (sk_X509_num(sk) == 0)) |
d02b48c6 RE |
751 | return(0); |
752 | ||
f73e07cf | 753 | x=sk_X509_value(sk,0); |
74ecfab4 | 754 | if(!X509_STORE_CTX_init(&ctx,verify_store,x,sk)) |
79aa04ef GT |
755 | { |
756 | SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN,ERR_R_X509_LIB); | |
757 | return(0); | |
758 | } | |
2ea80354 DSH |
759 | /* Set suite B flags if needed */ |
760 | X509_STORE_CTX_set_flags(&ctx, tls1_suiteb(s)); | |
5d7c222d | 761 | #if 0 |
7f89714e BM |
762 | if (SSL_get_verify_depth(s) >= 0) |
763 | X509_STORE_CTX_set_depth(&ctx, SSL_get_verify_depth(s)); | |
5d7c222d | 764 | #endif |
dd9d233e | 765 | X509_STORE_CTX_set_ex_data(&ctx,SSL_get_ex_data_X509_STORE_CTX_idx(),s); |
3ac82faa | 766 | |
5d7c222d | 767 | /* We need to inherit the verify parameters. These can be determined by |
bb7cd4e3 DSH |
768 | * the context: if its a server it will verify SSL client certificates |
769 | * or vice versa. | |
3ac82faa | 770 | */ |
bb7cd4e3 | 771 | |
5d7c222d DSH |
772 | X509_STORE_CTX_set_default(&ctx, |
773 | s->server ? "ssl_client" : "ssl_server"); | |
508c5352 DSH |
774 | /* Anything non-default in "param" should overwrite anything in the |
775 | * ctx. | |
776 | */ | |
746570e5 | 777 | X509_VERIFY_PARAM_set1(X509_STORE_CTX_get0_param(&ctx), s->param); |
d02b48c6 | 778 | |
e32c852e | 779 | if (s->verify_callback) |
be2e2c32 | 780 | X509_STORE_CTX_set_verify_cb(&ctx, s->verify_callback); |
1f0c9ad7 | 781 | |
d02b48c6 | 782 | if (s->ctx->app_verify_callback != NULL) |
023ec151 BM |
783 | #if 1 /* new with OpenSSL 0.9.7 */ |
784 | i=s->ctx->app_verify_callback(&ctx, s->ctx->app_verify_arg); | |
785 | #else | |
204cf1ab | 786 | i=s->ctx->app_verify_callback(&ctx); /* should pass app_verify_arg */ |
023ec151 | 787 | #endif |
d02b48c6 | 788 | else |
dfeab068 | 789 | { |
bc36ee62 | 790 | #ifndef OPENSSL_NO_X509_VERIFY |
d02b48c6 | 791 | i=X509_verify_cert(&ctx); |
dfeab068 RE |
792 | #else |
793 | i=0; | |
794 | ctx.error=X509_V_ERR_APPLICATION_VERIFICATION; | |
795 | SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN,SSL_R_NO_VERIFY_CALLBACK); | |
796 | #endif | |
797 | } | |
d02b48c6 | 798 | |
d02b48c6 | 799 | s->verify_result=ctx.error; |
dfeab068 | 800 | X509_STORE_CTX_cleanup(&ctx); |
d02b48c6 RE |
801 | |
802 | return(i); | |
803 | } | |
804 | ||
3822740c | 805 | static void set_client_CA_list(STACK_OF(X509_NAME) **ca_list,STACK_OF(X509_NAME) *name_list) |
d02b48c6 RE |
806 | { |
807 | if (*ca_list != NULL) | |
f73e07cf | 808 | sk_X509_NAME_pop_free(*ca_list,X509_NAME_free); |
d02b48c6 | 809 | |
3822740c | 810 | *ca_list=name_list; |
d02b48c6 RE |
811 | } |
812 | ||
838d25a1 | 813 | STACK_OF(X509_NAME) *SSL_dup_CA_list(STACK_OF(X509_NAME) *sk) |
d02b48c6 RE |
814 | { |
815 | int i; | |
838d25a1 | 816 | STACK_OF(X509_NAME) *ret; |
d02b48c6 RE |
817 | X509_NAME *name; |
818 | ||
838d25a1 BL |
819 | ret=sk_X509_NAME_new_null(); |
820 | for (i=0; i<sk_X509_NAME_num(sk); i++) | |
d02b48c6 | 821 | { |
838d25a1 BL |
822 | name=X509_NAME_dup(sk_X509_NAME_value(sk,i)); |
823 | if ((name == NULL) || !sk_X509_NAME_push(ret,name)) | |
d02b48c6 | 824 | { |
838d25a1 | 825 | sk_X509_NAME_pop_free(ret,X509_NAME_free); |
d02b48c6 RE |
826 | return(NULL); |
827 | } | |
828 | } | |
829 | return(ret); | |
830 | } | |
831 | ||
3822740c | 832 | void SSL_set_client_CA_list(SSL *s,STACK_OF(X509_NAME) *name_list) |
d02b48c6 | 833 | { |
3822740c | 834 | set_client_CA_list(&(s->client_CA),name_list); |
d02b48c6 RE |
835 | } |
836 | ||
3822740c | 837 | void SSL_CTX_set_client_CA_list(SSL_CTX *ctx,STACK_OF(X509_NAME) *name_list) |
d02b48c6 | 838 | { |
3822740c | 839 | set_client_CA_list(&(ctx->client_CA),name_list); |
d02b48c6 RE |
840 | } |
841 | ||
0821bcd4 | 842 | STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *ctx) |
d02b48c6 RE |
843 | { |
844 | return(ctx->client_CA); | |
845 | } | |
846 | ||
0821bcd4 | 847 | STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s) |
d02b48c6 RE |
848 | { |
849 | if (s->type == SSL_ST_CONNECT) | |
850 | { /* we are in the client */ | |
58964a49 RE |
851 | if (((s->version>>8) == SSL3_VERSION_MAJOR) && |
852 | (s->s3 != NULL)) | |
d02b48c6 RE |
853 | return(s->s3->tmp.ca_names); |
854 | else | |
855 | return(NULL); | |
856 | } | |
857 | else | |
858 | { | |
859 | if (s->client_CA != NULL) | |
860 | return(s->client_CA); | |
861 | else | |
862 | return(s->ctx->client_CA); | |
863 | } | |
864 | } | |
865 | ||
f73e07cf | 866 | static int add_client_CA(STACK_OF(X509_NAME) **sk,X509 *x) |
d02b48c6 RE |
867 | { |
868 | X509_NAME *name; | |
869 | ||
870 | if (x == NULL) return(0); | |
f73e07cf | 871 | if ((*sk == NULL) && ((*sk=sk_X509_NAME_new_null()) == NULL)) |
d02b48c6 RE |
872 | return(0); |
873 | ||
874 | if ((name=X509_NAME_dup(X509_get_subject_name(x))) == NULL) | |
875 | return(0); | |
876 | ||
f73e07cf | 877 | if (!sk_X509_NAME_push(*sk,name)) |
d02b48c6 RE |
878 | { |
879 | X509_NAME_free(name); | |
880 | return(0); | |
881 | } | |
882 | return(1); | |
883 | } | |
884 | ||
eb90a483 | 885 | int SSL_add_client_CA(SSL *ssl,X509 *x) |
d02b48c6 RE |
886 | { |
887 | return(add_client_CA(&(ssl->client_CA),x)); | |
888 | } | |
889 | ||
eb90a483 | 890 | int SSL_CTX_add_client_CA(SSL_CTX *ctx,X509 *x) |
d02b48c6 RE |
891 | { |
892 | return(add_client_CA(&(ctx->client_CA),x)); | |
893 | } | |
894 | ||
ccd86b68 | 895 | static int xname_cmp(const X509_NAME * const *a, const X509_NAME * const *b) |
d02b48c6 RE |
896 | { |
897 | return(X509_NAME_cmp(*a,*b)); | |
898 | } | |
899 | ||
bc36ee62 | 900 | #ifndef OPENSSL_NO_STDIO |
eb90a483 BL |
901 | /*! |
902 | * Load CA certs from a file into a ::STACK. Note that it is somewhat misnamed; | |
903 | * it doesn't really have anything to do with clients (except that a common use | |
904 | * for a stack of CAs is to send it to the client). Actually, it doesn't have | |
905 | * much to do with CAs, either, since it will load any old cert. | |
906 | * \param file the file containing one or more certs. | |
907 | * \return a ::STACK containing the certs. | |
908 | */ | |
f73e07cf | 909 | STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file) |
d02b48c6 RE |
910 | { |
911 | BIO *in; | |
912 | X509 *x=NULL; | |
913 | X509_NAME *xn=NULL; | |
1d42741a | 914 | STACK_OF(X509_NAME) *ret = NULL,*sk; |
d02b48c6 | 915 | |
bb7cd4e3 | 916 | sk=sk_X509_NAME_new(xname_cmp); |
58964a49 RE |
917 | |
918 | in=BIO_new(BIO_s_file_internal()); | |
919 | ||
1d42741a | 920 | if ((sk == NULL) || (in == NULL)) |
d02b48c6 RE |
921 | { |
922 | SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE,ERR_R_MALLOC_FAILURE); | |
923 | goto err; | |
924 | } | |
925 | ||
926 | if (!BIO_read_filename(in,file)) | |
927 | goto err; | |
928 | ||
929 | for (;;) | |
930 | { | |
74678cc2 | 931 | if (PEM_read_bio_X509(in,&x,NULL,NULL) == NULL) |
d02b48c6 | 932 | break; |
1d42741a NL |
933 | if (ret == NULL) |
934 | { | |
935 | ret = sk_X509_NAME_new_null(); | |
936 | if (ret == NULL) | |
937 | { | |
938 | SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE,ERR_R_MALLOC_FAILURE); | |
939 | goto err; | |
940 | } | |
941 | } | |
d02b48c6 RE |
942 | if ((xn=X509_get_subject_name(x)) == NULL) goto err; |
943 | /* check for duplicates */ | |
944 | xn=X509_NAME_dup(xn); | |
945 | if (xn == NULL) goto err; | |
f73e07cf | 946 | if (sk_X509_NAME_find(sk,xn) >= 0) |
d02b48c6 RE |
947 | X509_NAME_free(xn); |
948 | else | |
949 | { | |
f73e07cf BL |
950 | sk_X509_NAME_push(sk,xn); |
951 | sk_X509_NAME_push(ret,xn); | |
d02b48c6 RE |
952 | } |
953 | } | |
954 | ||
955 | if (0) | |
956 | { | |
957 | err: | |
f73e07cf | 958 | if (ret != NULL) sk_X509_NAME_pop_free(ret,X509_NAME_free); |
d02b48c6 RE |
959 | ret=NULL; |
960 | } | |
f73e07cf | 961 | if (sk != NULL) sk_X509_NAME_free(sk); |
d02b48c6 RE |
962 | if (in != NULL) BIO_free(in); |
963 | if (x != NULL) X509_free(x); | |
1d42741a NL |
964 | if (ret != NULL) |
965 | ERR_clear_error(); | |
d02b48c6 RE |
966 | return(ret); |
967 | } | |
58964a49 | 968 | #endif |
d02b48c6 | 969 | |
eb90a483 BL |
970 | /*! |
971 | * Add a file of certs to a stack. | |
972 | * \param stack the stack to add to. | |
973 | * \param file the file to add from. All certs in this file that are not | |
974 | * already in the stack will be added. | |
975 | * \return 1 for success, 0 for failure. Note that in the case of failure some | |
976 | * certs may have been added to \c stack. | |
977 | */ | |
978 | ||
661b361b BL |
979 | int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, |
980 | const char *file) | |
eb90a483 | 981 | { |
2ea09100 BM |
982 | BIO *in; |
983 | X509 *x=NULL; | |
984 | X509_NAME *xn=NULL; | |
985 | int ret=1; | |
ccd86b68 | 986 | int (*oldcmp)(const X509_NAME * const *a, const X509_NAME * const *b); |
eb90a483 | 987 | |
2ea09100 BM |
988 | oldcmp=sk_X509_NAME_set_cmp_func(stack,xname_cmp); |
989 | ||
990 | in=BIO_new(BIO_s_file_internal()); | |
991 | ||
992 | if (in == NULL) | |
993 | { | |
994 | SSLerr(SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK,ERR_R_MALLOC_FAILURE); | |
995 | goto err; | |
996 | } | |
997 | ||
998 | if (!BIO_read_filename(in,file)) | |
999 | goto err; | |
1000 | ||
1001 | for (;;) | |
1002 | { | |
1003 | if (PEM_read_bio_X509(in,&x,NULL,NULL) == NULL) | |
1004 | break; | |
1005 | if ((xn=X509_get_subject_name(x)) == NULL) goto err; | |
1006 | xn=X509_NAME_dup(xn); | |
1007 | if (xn == NULL) goto err; | |
1008 | if (sk_X509_NAME_find(stack,xn) >= 0) | |
1009 | X509_NAME_free(xn); | |
1010 | else | |
1011 | sk_X509_NAME_push(stack,xn); | |
1012 | } | |
eb90a483 | 1013 | |
a3a06e65 DSH |
1014 | ERR_clear_error(); |
1015 | ||
2ea09100 BM |
1016 | if (0) |
1017 | { | |
eb90a483 | 1018 | err: |
2ea09100 BM |
1019 | ret=0; |
1020 | } | |
1021 | if(in != NULL) | |
1022 | BIO_free(in); | |
1023 | if(x != NULL) | |
1024 | X509_free(x); | |
1025 | ||
a6fbcb42 | 1026 | (void)sk_X509_NAME_set_cmp_func(stack,oldcmp); |
eb90a483 | 1027 | |
2ea09100 BM |
1028 | return ret; |
1029 | } | |
eb90a483 BL |
1030 | |
1031 | /*! | |
1032 | * Add a directory of certs to a stack. | |
1033 | * \param stack the stack to append to. | |
1034 | * \param dir the directory to append from. All files in this directory will be | |
1035 | * examined as potential certs. Any that are acceptable to | |
72e442a3 | 1036 | * SSL_add_dir_cert_subjects_to_stack() that are not already in the stack will be |
eb90a483 BL |
1037 | * included. |
1038 | * \return 1 for success, 0 for failure. Note that in the case of failure some | |
1039 | * certs may have been added to \c stack. | |
1040 | */ | |
1041 | ||
661b361b BL |
1042 | int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, |
1043 | const char *dir) | |
eb90a483 | 1044 | { |
4083a229 RL |
1045 | OPENSSL_DIR_CTX *d = NULL; |
1046 | const char *filename; | |
2ea09100 | 1047 | int ret = 0; |
eb90a483 | 1048 | |
2ea09100 | 1049 | CRYPTO_w_lock(CRYPTO_LOCK_READDIR); |
eb90a483 | 1050 | |
2ea09100 | 1051 | /* Note that a side effect is that the CAs will be sorted by name */ |
4083a229 RL |
1052 | |
1053 | while((filename = OPENSSL_DIR_read(&d, dir))) | |
2ea09100 BM |
1054 | { |
1055 | char buf[1024]; | |
1056 | int r; | |
4083a229 RL |
1057 | |
1058 | if(strlen(dir)+strlen(filename)+2 > sizeof buf) | |
2ea09100 BM |
1059 | { |
1060 | SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK,SSL_R_PATH_TOO_LONG); | |
1061 | goto err; | |
1062 | } | |
4083a229 RL |
1063 | |
1064 | #ifdef OPENSSL_SYS_VMS | |
1065 | r = BIO_snprintf(buf,sizeof buf,"%s%s",dir,filename); | |
1066 | #else | |
1067 | r = BIO_snprintf(buf,sizeof buf,"%s/%s",dir,filename); | |
1068 | #endif | |
27545970 | 1069 | if (r <= 0 || r >= (int)sizeof(buf)) |
2ea09100 BM |
1070 | goto err; |
1071 | if(!SSL_add_file_cert_subjects_to_stack(stack,buf)) | |
1072 | goto err; | |
1073 | } | |
0bf23d9b | 1074 | |
4083a229 | 1075 | if (errno) |
285046ec RL |
1076 | { |
1077 | SYSerr(SYS_F_OPENDIR, get_last_sys_error()); | |
4083a229 | 1078 | ERR_add_error_data(3, "OPENSSL_DIR_read(&ctx, '", dir, "')"); |
285046ec | 1079 | SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK, ERR_R_SYS_LIB); |
4083a229 | 1080 | goto err; |
285046ec | 1081 | } |
4083a229 | 1082 | |
285046ec RL |
1083 | ret = 1; |
1084 | ||
6176df94 | 1085 | err: |
4083a229 | 1086 | if (d) OPENSSL_DIR_end(&d); |
285046ec RL |
1087 | CRYPTO_w_unlock(CRYPTO_LOCK_READDIR); |
1088 | return ret; | |
1089 | } | |
1090 | ||
4379d0e4 DSH |
1091 | /* Add a certificate to a BUF_MEM structure */ |
1092 | ||
1093 | static int ssl_add_cert_to_buf(BUF_MEM *buf, unsigned long *l, X509 *x) | |
1094 | { | |
1095 | int n; | |
1096 | unsigned char *p; | |
1097 | ||
1098 | n=i2d_X509(x,NULL); | |
1099 | if (!BUF_MEM_grow_clean(buf,(int)(n+(*l)+3))) | |
1100 | { | |
1101 | SSLerr(SSL_F_SSL_ADD_CERT_TO_BUF,ERR_R_BUF_LIB); | |
1102 | return 0; | |
1103 | } | |
1104 | p=(unsigned char *)&(buf->data[*l]); | |
1105 | l2n3(n,p); | |
1106 | i2d_X509(x,&p); | |
1107 | *l+=n+3; | |
1108 | ||
1109 | return 1; | |
1110 | } | |
1111 | ||
1112 | /* Add certificate chain to internal SSL BUF_MEM strcuture */ | |
c526ed41 | 1113 | int ssl_add_cert_chain(SSL *s, CERT_PKEY *cpk, unsigned long *l) |
4379d0e4 DSH |
1114 | { |
1115 | BUF_MEM *buf = s->init_buf; | |
1116 | int no_chain; | |
1117 | int i; | |
1118 | ||
c526ed41 | 1119 | X509 *x; |
f71c6e52 | 1120 | STACK_OF(X509) *extra_certs; |
74ecfab4 | 1121 | X509_STORE *chain_store; |
c526ed41 DSH |
1122 | |
1123 | if (cpk) | |
1124 | x = cpk->x509; | |
1125 | else | |
1126 | x = NULL; | |
1127 | ||
74ecfab4 DSH |
1128 | if (s->cert->chain_store) |
1129 | chain_store = s->cert->chain_store; | |
1130 | else | |
1131 | chain_store = s->ctx->cert_store; | |
1132 | ||
f71c6e52 DSH |
1133 | /* If we have a certificate specific chain use it, else use |
1134 | * parent ctx. | |
1135 | */ | |
1136 | if (cpk && cpk->chain) | |
1137 | extra_certs = cpk->chain; | |
1138 | else | |
1139 | extra_certs = s->ctx->extra_certs; | |
1140 | ||
1141 | if ((s->mode & SSL_MODE_NO_AUTO_CHAIN) || extra_certs) | |
4379d0e4 DSH |
1142 | no_chain = 1; |
1143 | else | |
1144 | no_chain = 0; | |
1145 | ||
1146 | /* TLSv1 sends a chain with nothing in it, instead of an alert */ | |
1147 | if (!BUF_MEM_grow_clean(buf,10)) | |
1148 | { | |
1149 | SSLerr(SSL_F_SSL_ADD_CERT_CHAIN,ERR_R_BUF_LIB); | |
1150 | return 0; | |
1151 | } | |
1152 | if (x != NULL) | |
1153 | { | |
1154 | if (no_chain) | |
1155 | { | |
1156 | if (!ssl_add_cert_to_buf(buf, l, x)) | |
1157 | return 0; | |
1158 | } | |
1159 | else | |
1160 | { | |
1161 | X509_STORE_CTX xs_ctx; | |
1162 | ||
74ecfab4 | 1163 | if (!X509_STORE_CTX_init(&xs_ctx,chain_store,x,NULL)) |
4379d0e4 DSH |
1164 | { |
1165 | SSLerr(SSL_F_SSL_ADD_CERT_CHAIN,ERR_R_X509_LIB); | |
1166 | return(0); | |
1167 | } | |
1168 | X509_verify_cert(&xs_ctx); | |
1169 | /* Don't leave errors in the queue */ | |
1170 | ERR_clear_error(); | |
1171 | for (i=0; i < sk_X509_num(xs_ctx.chain); i++) | |
1172 | { | |
1173 | x = sk_X509_value(xs_ctx.chain, i); | |
1174 | ||
febec8ff | 1175 | if (!ssl_add_cert_to_buf(buf, l, x)) |
4379d0e4 DSH |
1176 | { |
1177 | X509_STORE_CTX_cleanup(&xs_ctx); | |
1178 | return 0; | |
1179 | } | |
1180 | } | |
1181 | X509_STORE_CTX_cleanup(&xs_ctx); | |
1182 | } | |
1183 | } | |
f71c6e52 | 1184 | for (i=0; i<sk_X509_num(extra_certs); i++) |
4379d0e4 | 1185 | { |
f71c6e52 | 1186 | x=sk_X509_value(extra_certs,i); |
4379d0e4 DSH |
1187 | if (!ssl_add_cert_to_buf(buf, l, x)) |
1188 | return 0; | |
1189 | } | |
1190 | ||
1191 | return 1; | |
1192 | } | |
1193 | ||
74ecfab4 DSH |
1194 | /* Build a certificate chain for current certificate */ |
1195 | int ssl_build_cert_chain(CERT *c, X509_STORE *chain_store, int flags) | |
1196 | { | |
1197 | CERT_PKEY *cpk = c->key; | |
1198 | X509_STORE_CTX xs_ctx; | |
1199 | STACK_OF(X509) *chain = NULL, *untrusted = NULL; | |
1200 | X509 *x; | |
13dc3ce9 | 1201 | int i, rv = 0; |
74ecfab4 DSH |
1202 | |
1203 | if (!cpk->x509) | |
1204 | { | |
1205 | SSLerr(SSL_F_SSL_BUILD_CERT_CHAIN, SSL_R_NO_CERTIFICATE_SET); | |
13dc3ce9 | 1206 | goto err; |
74ecfab4 | 1207 | } |
13dc3ce9 DSH |
1208 | /* Rearranging and check the chain: add everything to a store */ |
1209 | if (flags & SSL_BUILD_CHAIN_FLAG_CHECK) | |
1210 | { | |
1211 | chain_store = X509_STORE_new(); | |
1212 | if (!chain_store) | |
1213 | goto err; | |
1214 | for (i = 0; i < sk_X509_num(cpk->chain); i++) | |
1215 | { | |
1216 | x = sk_X509_value(cpk->chain, i); | |
1217 | if (!X509_STORE_add_cert(chain_store, x)) | |
1218 | goto err; | |
1219 | } | |
1220 | /* Add EE cert too: it might be self signed */ | |
1221 | if (!X509_STORE_add_cert(chain_store, cpk->x509)) | |
1222 | goto err; | |
1223 | } | |
1224 | else | |
1225 | { | |
1226 | if (c->chain_store) | |
1227 | chain_store = c->chain_store; | |
74ecfab4 | 1228 | |
13dc3ce9 DSH |
1229 | if (flags & SSL_BUILD_CHAIN_FLAG_UNTRUSTED) |
1230 | untrusted = cpk->chain; | |
1231 | } | |
74ecfab4 DSH |
1232 | |
1233 | if (!X509_STORE_CTX_init(&xs_ctx, chain_store, cpk->x509, untrusted)) | |
1234 | { | |
1235 | SSLerr(SSL_F_SSL_BUILD_CERT_CHAIN, ERR_R_X509_LIB); | |
13dc3ce9 | 1236 | goto err; |
74ecfab4 | 1237 | } |
2ea80354 DSH |
1238 | /* Set suite B flags if needed */ |
1239 | X509_STORE_CTX_set_flags(&xs_ctx, c->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS); | |
74ecfab4 DSH |
1240 | |
1241 | i = X509_verify_cert(&xs_ctx); | |
13dc3ce9 DSH |
1242 | if (i <= 0 && flags & SSL_BUILD_CHAIN_FLAG_IGNORE_ERROR) |
1243 | { | |
1244 | ERR_clear_error(); | |
1245 | i = 1; | |
1246 | } | |
74ecfab4 DSH |
1247 | if (i > 0) |
1248 | chain = X509_STORE_CTX_get1_chain(&xs_ctx); | |
74ecfab4 DSH |
1249 | if (i <= 0) |
1250 | { | |
1251 | SSLerr(SSL_F_SSL_BUILD_CERT_CHAIN, SSL_R_CERTIFICATE_VERIFY_FAILED); | |
13dc3ce9 DSH |
1252 | i = X509_STORE_CTX_get_error(&xs_ctx); |
1253 | ERR_add_error_data(2, "Verify error:", | |
1254 | X509_verify_cert_error_string(i)); | |
1255 | ||
1256 | X509_STORE_CTX_cleanup(&xs_ctx); | |
1257 | goto err; | |
74ecfab4 | 1258 | } |
13dc3ce9 | 1259 | X509_STORE_CTX_cleanup(&xs_ctx); |
74ecfab4 DSH |
1260 | if (cpk->chain) |
1261 | sk_X509_pop_free(cpk->chain, X509_free); | |
1262 | /* Remove EE certificate from chain */ | |
1263 | x = sk_X509_shift(chain); | |
1264 | X509_free(x); | |
1265 | if (flags & SSL_BUILD_CHAIN_FLAG_NO_ROOT) | |
1266 | { | |
13dc3ce9 DSH |
1267 | if (sk_X509_num(chain) > 0) |
1268 | { | |
1269 | /* See if last cert is self signed */ | |
1270 | x = sk_X509_value(chain, sk_X509_num(chain) - 1); | |
1271 | X509_check_purpose(x, -1, 0); | |
1272 | if (x->ex_flags & EXFLAG_SS) | |
1273 | { | |
1274 | x = sk_X509_pop(chain); | |
1275 | X509_free(x); | |
1276 | } | |
1277 | } | |
74ecfab4 DSH |
1278 | } |
1279 | cpk->chain = chain; | |
13dc3ce9 DSH |
1280 | rv = 1; |
1281 | err: | |
1282 | if (flags & SSL_BUILD_CHAIN_FLAG_CHECK) | |
1283 | X509_STORE_free(chain_store); | |
74ecfab4 | 1284 | |
13dc3ce9 | 1285 | return rv; |
74ecfab4 DSH |
1286 | } |
1287 | ||
1288 | int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, int ref) | |
1289 | { | |
1290 | X509_STORE **pstore; | |
1291 | if (chain) | |
1292 | pstore = &c->chain_store; | |
1293 | else | |
1294 | pstore = &c->verify_store; | |
1295 | if (*pstore) | |
1296 | X509_STORE_free(*pstore); | |
1297 | *pstore = store; | |
1298 | if (ref && store) | |
1299 | CRYPTO_add(&store->references, 1, CRYPTO_LOCK_X509_STORE); | |
1300 | return 1; | |
1301 | } | |
1302 |