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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 | /* ==================================================================== |
6d2cd23f | 59 | * Copyright (c) 1998-2006 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 | |
6d2cd23f | 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 | |
6d2cd23f | 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 | |
6d2cd23f | 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 | * ==================================================================== | |
6d2cd23f 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> |
4913b88f | 129 | #ifndef OPENSSL_NO_DH |
60a938c6 | 130 | #include <openssl/dh.h> |
4913b88f | 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; |
6d2cd23f 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 | { | |
6d2cd23f | 144 | CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX); |
3ac82faa | 145 | CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX); |
6d2cd23f | 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 | } |
6d2cd23f 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 | ||
6b691a5c | 163 | CERT *ssl_cert_new(void) |
d02b48c6 RE |
164 | { |
165 | CERT *ret; | |
166 | ||
26a3a48d | 167 | ret=(CERT *)OPENSSL_malloc(sizeof(CERT)); |
d02b48c6 RE |
168 | if (ret == NULL) |
169 | { | |
170 | SSLerr(SSL_F_SSL_CERT_NEW,ERR_R_MALLOC_FAILURE); | |
171 | return(NULL); | |
172 | } | |
173 | memset(ret,0,sizeof(CERT)); | |
d02b48c6 RE |
174 | |
175 | ret->key= &(ret->pkeys[SSL_PKEY_RSA_ENC]); | |
176 | ret->references=1; | |
177 | ||
178 | return(ret); | |
179 | } | |
180 | ||
ca8e5b9b BM |
181 | CERT *ssl_cert_dup(CERT *cert) |
182 | { | |
183 | CERT *ret; | |
184 | int i; | |
185 | ||
26a3a48d | 186 | ret = (CERT *)OPENSSL_malloc(sizeof(CERT)); |
ca8e5b9b BM |
187 | if (ret == NULL) |
188 | { | |
189 | SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE); | |
190 | return(NULL); | |
191 | } | |
192 | ||
193 | memset(ret, 0, sizeof(CERT)); | |
194 | ||
ca8e5b9b BM |
195 | ret->key = &ret->pkeys[cert->key - &cert->pkeys[0]]; |
196 | /* or ret->key = ret->pkeys + (cert->key - cert->pkeys), | |
197 | * if you find that more readable */ | |
198 | ||
199 | ret->valid = cert->valid; | |
200 | ret->mask = cert->mask; | |
201 | ret->export_mask = cert->export_mask; | |
202 | ||
bc36ee62 | 203 | #ifndef OPENSSL_NO_RSA |
ca8e5b9b BM |
204 | if (cert->rsa_tmp != NULL) |
205 | { | |
6ac4e8bd | 206 | RSA_up_ref(cert->rsa_tmp); |
ca8e5b9b | 207 | ret->rsa_tmp = cert->rsa_tmp; |
ca8e5b9b BM |
208 | } |
209 | ret->rsa_tmp_cb = cert->rsa_tmp_cb; | |
210 | #endif | |
211 | ||
bc36ee62 | 212 | #ifndef OPENSSL_NO_DH |
ca8e5b9b BM |
213 | if (cert->dh_tmp != NULL) |
214 | { | |
ca8e5b9b BM |
215 | ret->dh_tmp = DHparams_dup(cert->dh_tmp); |
216 | if (ret->dh_tmp == NULL) | |
217 | { | |
448e2f9b | 218 | SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_DH_LIB); |
ca8e5b9b BM |
219 | goto err; |
220 | } | |
e11f0de6 BM |
221 | if (cert->dh_tmp->priv_key) |
222 | { | |
223 | BIGNUM *b = BN_dup(cert->dh_tmp->priv_key); | |
224 | if (!b) | |
225 | { | |
448e2f9b | 226 | SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB); |
e11f0de6 BM |
227 | goto err; |
228 | } | |
229 | ret->dh_tmp->priv_key = b; | |
230 | } | |
231 | if (cert->dh_tmp->pub_key) | |
232 | { | |
233 | BIGNUM *b = BN_dup(cert->dh_tmp->pub_key); | |
234 | if (!b) | |
235 | { | |
448e2f9b | 236 | SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB); |
e11f0de6 BM |
237 | goto err; |
238 | } | |
239 | ret->dh_tmp->pub_key = b; | |
240 | } | |
ca8e5b9b BM |
241 | } |
242 | ret->dh_tmp_cb = cert->dh_tmp_cb; | |
243 | #endif | |
244 | ||
ea262260 BM |
245 | #ifndef OPENSSL_NO_ECDH |
246 | if (cert->ecdh_tmp) | |
247 | { | |
cf1546a6 NL |
248 | ret->ecdh_tmp = EC_KEY_dup(cert->ecdh_tmp); |
249 | if (ret->ecdh_tmp == NULL) | |
250 | { | |
251 | SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_EC_LIB); | |
252 | goto err; | |
253 | } | |
ea262260 BM |
254 | } |
255 | ret->ecdh_tmp_cb = cert->ecdh_tmp_cb; | |
256 | #endif | |
257 | ||
ca8e5b9b BM |
258 | for (i = 0; i < SSL_PKEY_NUM; i++) |
259 | { | |
260 | if (cert->pkeys[i].x509 != NULL) | |
261 | { | |
262 | ret->pkeys[i].x509 = cert->pkeys[i].x509; | |
263 | CRYPTO_add(&ret->pkeys[i].x509->references, 1, | |
264 | CRYPTO_LOCK_X509); | |
265 | } | |
266 | ||
267 | if (cert->pkeys[i].privatekey != NULL) | |
268 | { | |
269 | ret->pkeys[i].privatekey = cert->pkeys[i].privatekey; | |
270 | CRYPTO_add(&ret->pkeys[i].privatekey->references, 1, | |
271 | CRYPTO_LOCK_EVP_PKEY); | |
272 | ||
273 | switch(i) | |
274 | { | |
275 | /* If there was anything special to do for | |
276 | * certain types of keys, we'd do it here. | |
277 | * (Nothing at the moment, I think.) */ | |
278 | ||
279 | case SSL_PKEY_RSA_ENC: | |
280 | case SSL_PKEY_RSA_SIGN: | |
281 | /* We have an RSA key. */ | |
282 | break; | |
283 | ||
284 | case SSL_PKEY_DSA_SIGN: | |
285 | /* We have a DSA key. */ | |
286 | break; | |
287 | ||
288 | case SSL_PKEY_DH_RSA: | |
289 | case SSL_PKEY_DH_DSA: | |
290 | /* We have a DH key. */ | |
291 | break; | |
ea262260 BM |
292 | |
293 | case SSL_PKEY_ECC: | |
294 | /* We have an ECC key */ | |
295 | break; | |
296 | ||
ca8e5b9b BM |
297 | default: |
298 | /* Can't happen. */ | |
299 | SSLerr(SSL_F_SSL_CERT_DUP, SSL_R_LIBRARY_BUG); | |
300 | } | |
301 | } | |
302 | } | |
303 | ||
ca8e5b9b BM |
304 | /* ret->extra_certs *should* exist, but currently the own certificate |
305 | * chain is held inside SSL_CTX */ | |
306 | ||
307 | ret->references=1; | |
308 | ||
309 | return(ret); | |
310 | ||
41d4d672 | 311 | #if !defined(OPENSSL_NO_DH) || !defined(OPENSSL_NO_ECDH) |
ca8e5b9b | 312 | err: |
3c758be8 | 313 | #endif |
bc36ee62 | 314 | #ifndef OPENSSL_NO_RSA |
ca8e5b9b BM |
315 | if (ret->rsa_tmp != NULL) |
316 | RSA_free(ret->rsa_tmp); | |
317 | #endif | |
bc36ee62 | 318 | #ifndef OPENSSL_NO_DH |
ca8e5b9b BM |
319 | if (ret->dh_tmp != NULL) |
320 | DH_free(ret->dh_tmp); | |
321 | #endif | |
ea262260 BM |
322 | #ifndef OPENSSL_NO_ECDH |
323 | if (ret->ecdh_tmp != NULL) | |
324 | EC_KEY_free(ret->ecdh_tmp); | |
325 | #endif | |
ca8e5b9b BM |
326 | |
327 | for (i = 0; i < SSL_PKEY_NUM; i++) | |
328 | { | |
329 | if (ret->pkeys[i].x509 != NULL) | |
330 | X509_free(ret->pkeys[i].x509); | |
331 | if (ret->pkeys[i].privatekey != NULL) | |
332 | EVP_PKEY_free(ret->pkeys[i].privatekey); | |
333 | } | |
334 | ||
335 | return NULL; | |
336 | } | |
337 | ||
338 | ||
eb90a483 | 339 | void ssl_cert_free(CERT *c) |
d02b48c6 RE |
340 | { |
341 | int i; | |
342 | ||
e03ddfae BL |
343 | if(c == NULL) |
344 | return; | |
345 | ||
d02b48c6 | 346 | i=CRYPTO_add(&c->references,-1,CRYPTO_LOCK_SSL_CERT); |
58964a49 RE |
347 | #ifdef REF_PRINT |
348 | REF_PRINT("CERT",c); | |
349 | #endif | |
d02b48c6 RE |
350 | if (i > 0) return; |
351 | #ifdef REF_CHECK | |
352 | if (i < 0) | |
353 | { | |
354 | fprintf(stderr,"ssl_cert_free, bad reference count\n"); | |
355 | abort(); /* ok */ | |
356 | } | |
357 | #endif | |
358 | ||
bc36ee62 | 359 | #ifndef OPENSSL_NO_RSA |
d02b48c6 RE |
360 | if (c->rsa_tmp) RSA_free(c->rsa_tmp); |
361 | #endif | |
bc36ee62 | 362 | #ifndef OPENSSL_NO_DH |
d02b48c6 RE |
363 | if (c->dh_tmp) DH_free(c->dh_tmp); |
364 | #endif | |
ea262260 BM |
365 | #ifndef OPENSSL_NO_ECDH |
366 | if (c->ecdh_tmp) EC_KEY_free(c->ecdh_tmp); | |
367 | #endif | |
d02b48c6 RE |
368 | |
369 | for (i=0; i<SSL_PKEY_NUM; i++) | |
370 | { | |
371 | if (c->pkeys[i].x509 != NULL) | |
372 | X509_free(c->pkeys[i].x509); | |
373 | if (c->pkeys[i].privatekey != NULL) | |
374 | EVP_PKEY_free(c->pkeys[i].privatekey); | |
375 | #if 0 | |
376 | if (c->pkeys[i].publickey != NULL) | |
377 | EVP_PKEY_free(c->pkeys[i].publickey); | |
378 | #endif | |
379 | } | |
26a3a48d | 380 | OPENSSL_free(c); |
d02b48c6 RE |
381 | } |
382 | ||
ca8e5b9b BM |
383 | int ssl_cert_inst(CERT **o) |
384 | { | |
385 | /* Create a CERT if there isn't already one | |
386 | * (which cannot really happen, as it is initially created in | |
387 | * SSL_CTX_new; but the earlier code usually allows for that one | |
388 | * being non-existant, so we follow that behaviour, as it might | |
1c3e0a19 BM |
389 | * turn out that there actually is a reason for it -- but I'm |
390 | * not sure that *all* of the existing code could cope with | |
391 | * s->cert being NULL, otherwise we could do without the | |
392 | * initialization in SSL_CTX_new). | |
393 | */ | |
394 | ||
ca8e5b9b BM |
395 | if (o == NULL) |
396 | { | |
397 | SSLerr(SSL_F_SSL_CERT_INST, ERR_R_PASSED_NULL_PARAMETER); | |
398 | return(0); | |
399 | } | |
400 | if (*o == NULL) | |
401 | { | |
402 | if ((*o = ssl_cert_new()) == NULL) | |
403 | { | |
404 | SSLerr(SSL_F_SSL_CERT_INST, ERR_R_MALLOC_FAILURE); | |
405 | return(0); | |
406 | } | |
407 | } | |
408 | return(1); | |
409 | } | |
410 | ||
b56bce4f BM |
411 | |
412 | SESS_CERT *ssl_sess_cert_new(void) | |
15d21c2d | 413 | { |
b56bce4f BM |
414 | SESS_CERT *ret; |
415 | ||
26a3a48d | 416 | ret = OPENSSL_malloc(sizeof *ret); |
b56bce4f | 417 | if (ret == NULL) |
15d21c2d | 418 | { |
b56bce4f BM |
419 | SSLerr(SSL_F_SSL_SESS_CERT_NEW, ERR_R_MALLOC_FAILURE); |
420 | return NULL; | |
15d21c2d | 421 | } |
b56bce4f BM |
422 | |
423 | memset(ret, 0 ,sizeof *ret); | |
424 | ret->peer_key = &(ret->peer_pkeys[SSL_PKEY_RSA_ENC]); | |
425 | ret->references = 1; | |
426 | ||
427 | return ret; | |
428 | } | |
429 | ||
430 | void ssl_sess_cert_free(SESS_CERT *sc) | |
431 | { | |
432 | int i; | |
433 | ||
434 | if (sc == NULL) | |
435 | return; | |
436 | ||
437 | i = CRYPTO_add(&sc->references, -1, CRYPTO_LOCK_SSL_SESS_CERT); | |
438 | #ifdef REF_PRINT | |
439 | REF_PRINT("SESS_CERT", sc); | |
440 | #endif | |
441 | if (i > 0) | |
442 | return; | |
443 | #ifdef REF_CHECK | |
444 | if (i < 0) | |
15d21c2d | 445 | { |
b56bce4f BM |
446 | fprintf(stderr,"ssl_sess_cert_free, bad reference count\n"); |
447 | abort(); /* ok */ | |
15d21c2d | 448 | } |
ca8e5b9b | 449 | #endif |
15d21c2d | 450 | |
b56bce4f BM |
451 | /* i == 0 */ |
452 | if (sc->cert_chain != NULL) | |
453 | sk_X509_pop_free(sc->cert_chain, X509_free); | |
454 | for (i = 0; i < SSL_PKEY_NUM; i++) | |
455 | { | |
456 | if (sc->peer_pkeys[i].x509 != NULL) | |
457 | X509_free(sc->peer_pkeys[i].x509); | |
458 | #if 0 /* We don't have the peer's private key. These lines are just | |
459 | * here as a reminder that we're still using a not-quite-appropriate | |
460 | * data structure. */ | |
461 | if (sc->peer_pkeys[i].privatekey != NULL) | |
462 | EVP_PKEY_free(sc->peer_pkeys[i].privatekey); | |
463 | #endif | |
464 | } | |
465 | ||
bc36ee62 | 466 | #ifndef OPENSSL_NO_RSA |
b56bce4f BM |
467 | if (sc->peer_rsa_tmp != NULL) |
468 | RSA_free(sc->peer_rsa_tmp); | |
469 | #endif | |
bc36ee62 | 470 | #ifndef OPENSSL_NO_DH |
b56bce4f BM |
471 | if (sc->peer_dh_tmp != NULL) |
472 | DH_free(sc->peer_dh_tmp); | |
473 | #endif | |
ea262260 BM |
474 | #ifndef OPENSSL_NO_ECDH |
475 | if (sc->peer_ecdh_tmp != NULL) | |
476 | EC_KEY_free(sc->peer_ecdh_tmp); | |
477 | #endif | |
b56bce4f | 478 | |
26a3a48d | 479 | OPENSSL_free(sc); |
b56bce4f BM |
480 | } |
481 | ||
482 | int ssl_set_peer_cert_type(SESS_CERT *sc,int type) | |
d02b48c6 | 483 | { |
b56bce4f | 484 | sc->peer_cert_type = type; |
d02b48c6 RE |
485 | return(1); |
486 | } | |
487 | ||
f73e07cf | 488 | int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk) |
d02b48c6 RE |
489 | { |
490 | X509 *x; | |
491 | int i; | |
492 | X509_STORE_CTX ctx; | |
493 | ||
f73e07cf | 494 | if ((sk == NULL) || (sk_X509_num(sk) == 0)) |
d02b48c6 RE |
495 | return(0); |
496 | ||
f73e07cf | 497 | x=sk_X509_value(sk,0); |
79aa04ef GT |
498 | if(!X509_STORE_CTX_init(&ctx,s->ctx->cert_store,x,sk)) |
499 | { | |
500 | SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN,ERR_R_X509_LIB); | |
501 | return(0); | |
502 | } | |
5d7c222d | 503 | #if 0 |
7f89714e BM |
504 | if (SSL_get_verify_depth(s) >= 0) |
505 | X509_STORE_CTX_set_depth(&ctx, SSL_get_verify_depth(s)); | |
5d7c222d | 506 | #endif |
dd9d233e | 507 | X509_STORE_CTX_set_ex_data(&ctx,SSL_get_ex_data_X509_STORE_CTX_idx(),s); |
3ac82faa | 508 | |
5d7c222d | 509 | /* We need to inherit the verify parameters. These can be determined by |
bb7cd4e3 DSH |
510 | * the context: if its a server it will verify SSL client certificates |
511 | * or vice versa. | |
3ac82faa | 512 | */ |
bb7cd4e3 | 513 | |
5d7c222d DSH |
514 | X509_STORE_CTX_set_default(&ctx, |
515 | s->server ? "ssl_client" : "ssl_server"); | |
f67f8156 DSH |
516 | /* Anything non-default in "param" should overwrite anything in the |
517 | * ctx. | |
518 | */ | |
d733ef7a | 519 | X509_VERIFY_PARAM_set1(X509_STORE_CTX_get0_param(&ctx), s->param); |
d02b48c6 | 520 | |
e32c852e | 521 | if (s->verify_callback) |
be2e2c32 | 522 | X509_STORE_CTX_set_verify_cb(&ctx, s->verify_callback); |
1f0c9ad7 | 523 | |
d02b48c6 | 524 | if (s->ctx->app_verify_callback != NULL) |
023ec151 BM |
525 | #if 1 /* new with OpenSSL 0.9.7 */ |
526 | i=s->ctx->app_verify_callback(&ctx, s->ctx->app_verify_arg); | |
527 | #else | |
204cf1ab | 528 | i=s->ctx->app_verify_callback(&ctx); /* should pass app_verify_arg */ |
023ec151 | 529 | #endif |
d02b48c6 | 530 | else |
dfeab068 | 531 | { |
bc36ee62 | 532 | #ifndef OPENSSL_NO_X509_VERIFY |
d02b48c6 | 533 | i=X509_verify_cert(&ctx); |
dfeab068 RE |
534 | #else |
535 | i=0; | |
536 | ctx.error=X509_V_ERR_APPLICATION_VERIFICATION; | |
537 | SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN,SSL_R_NO_VERIFY_CALLBACK); | |
538 | #endif | |
539 | } | |
d02b48c6 | 540 | |
d02b48c6 | 541 | s->verify_result=ctx.error; |
dfeab068 | 542 | X509_STORE_CTX_cleanup(&ctx); |
d02b48c6 RE |
543 | |
544 | return(i); | |
545 | } | |
546 | ||
3822740c | 547 | static void set_client_CA_list(STACK_OF(X509_NAME) **ca_list,STACK_OF(X509_NAME) *name_list) |
d02b48c6 RE |
548 | { |
549 | if (*ca_list != NULL) | |
f73e07cf | 550 | sk_X509_NAME_pop_free(*ca_list,X509_NAME_free); |
d02b48c6 | 551 | |
3822740c | 552 | *ca_list=name_list; |
d02b48c6 RE |
553 | } |
554 | ||
838d25a1 | 555 | STACK_OF(X509_NAME) *SSL_dup_CA_list(STACK_OF(X509_NAME) *sk) |
d02b48c6 RE |
556 | { |
557 | int i; | |
838d25a1 | 558 | STACK_OF(X509_NAME) *ret; |
d02b48c6 RE |
559 | X509_NAME *name; |
560 | ||
838d25a1 BL |
561 | ret=sk_X509_NAME_new_null(); |
562 | for (i=0; i<sk_X509_NAME_num(sk); i++) | |
d02b48c6 | 563 | { |
838d25a1 BL |
564 | name=X509_NAME_dup(sk_X509_NAME_value(sk,i)); |
565 | if ((name == NULL) || !sk_X509_NAME_push(ret,name)) | |
d02b48c6 | 566 | { |
838d25a1 | 567 | sk_X509_NAME_pop_free(ret,X509_NAME_free); |
d02b48c6 RE |
568 | return(NULL); |
569 | } | |
570 | } | |
571 | return(ret); | |
572 | } | |
573 | ||
3822740c | 574 | void SSL_set_client_CA_list(SSL *s,STACK_OF(X509_NAME) *name_list) |
d02b48c6 | 575 | { |
3822740c | 576 | set_client_CA_list(&(s->client_CA),name_list); |
d02b48c6 RE |
577 | } |
578 | ||
3822740c | 579 | void SSL_CTX_set_client_CA_list(SSL_CTX *ctx,STACK_OF(X509_NAME) *name_list) |
d02b48c6 | 580 | { |
3822740c | 581 | set_client_CA_list(&(ctx->client_CA),name_list); |
d02b48c6 RE |
582 | } |
583 | ||
0821bcd4 | 584 | STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *ctx) |
d02b48c6 RE |
585 | { |
586 | return(ctx->client_CA); | |
587 | } | |
588 | ||
0821bcd4 | 589 | STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s) |
d02b48c6 RE |
590 | { |
591 | if (s->type == SSL_ST_CONNECT) | |
592 | { /* we are in the client */ | |
58964a49 RE |
593 | if (((s->version>>8) == SSL3_VERSION_MAJOR) && |
594 | (s->s3 != NULL)) | |
d02b48c6 RE |
595 | return(s->s3->tmp.ca_names); |
596 | else | |
597 | return(NULL); | |
598 | } | |
599 | else | |
600 | { | |
601 | if (s->client_CA != NULL) | |
602 | return(s->client_CA); | |
603 | else | |
604 | return(s->ctx->client_CA); | |
605 | } | |
606 | } | |
607 | ||
f73e07cf | 608 | static int add_client_CA(STACK_OF(X509_NAME) **sk,X509 *x) |
d02b48c6 RE |
609 | { |
610 | X509_NAME *name; | |
611 | ||
612 | if (x == NULL) return(0); | |
f73e07cf | 613 | if ((*sk == NULL) && ((*sk=sk_X509_NAME_new_null()) == NULL)) |
d02b48c6 RE |
614 | return(0); |
615 | ||
616 | if ((name=X509_NAME_dup(X509_get_subject_name(x))) == NULL) | |
617 | return(0); | |
618 | ||
f73e07cf | 619 | if (!sk_X509_NAME_push(*sk,name)) |
d02b48c6 RE |
620 | { |
621 | X509_NAME_free(name); | |
622 | return(0); | |
623 | } | |
624 | return(1); | |
625 | } | |
626 | ||
eb90a483 | 627 | int SSL_add_client_CA(SSL *ssl,X509 *x) |
d02b48c6 RE |
628 | { |
629 | return(add_client_CA(&(ssl->client_CA),x)); | |
630 | } | |
631 | ||
eb90a483 | 632 | int SSL_CTX_add_client_CA(SSL_CTX *ctx,X509 *x) |
d02b48c6 RE |
633 | { |
634 | return(add_client_CA(&(ctx->client_CA),x)); | |
635 | } | |
636 | ||
ccd86b68 | 637 | static int xname_cmp(const X509_NAME * const *a, const X509_NAME * const *b) |
d02b48c6 RE |
638 | { |
639 | return(X509_NAME_cmp(*a,*b)); | |
640 | } | |
641 | ||
bc36ee62 | 642 | #ifndef OPENSSL_NO_STDIO |
eb90a483 BL |
643 | /*! |
644 | * Load CA certs from a file into a ::STACK. Note that it is somewhat misnamed; | |
645 | * it doesn't really have anything to do with clients (except that a common use | |
646 | * for a stack of CAs is to send it to the client). Actually, it doesn't have | |
647 | * much to do with CAs, either, since it will load any old cert. | |
648 | * \param file the file containing one or more certs. | |
649 | * \return a ::STACK containing the certs. | |
650 | */ | |
f73e07cf | 651 | STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file) |
d02b48c6 RE |
652 | { |
653 | BIO *in; | |
654 | X509 *x=NULL; | |
655 | X509_NAME *xn=NULL; | |
7ea61df4 | 656 | STACK_OF(X509_NAME) *ret = NULL,*sk; |
d02b48c6 | 657 | |
bb7cd4e3 | 658 | sk=sk_X509_NAME_new(xname_cmp); |
58964a49 RE |
659 | |
660 | in=BIO_new(BIO_s_file_internal()); | |
661 | ||
7ea61df4 | 662 | if ((sk == NULL) || (in == NULL)) |
d02b48c6 RE |
663 | { |
664 | SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE,ERR_R_MALLOC_FAILURE); | |
665 | goto err; | |
666 | } | |
667 | ||
668 | if (!BIO_read_filename(in,file)) | |
669 | goto err; | |
670 | ||
671 | for (;;) | |
672 | { | |
74678cc2 | 673 | if (PEM_read_bio_X509(in,&x,NULL,NULL) == NULL) |
d02b48c6 | 674 | break; |
7ea61df4 NL |
675 | if (ret == NULL) |
676 | { | |
677 | ret = sk_X509_NAME_new_null(); | |
678 | if (ret == NULL) | |
679 | { | |
680 | SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE,ERR_R_MALLOC_FAILURE); | |
681 | goto err; | |
682 | } | |
683 | } | |
d02b48c6 RE |
684 | if ((xn=X509_get_subject_name(x)) == NULL) goto err; |
685 | /* check for duplicates */ | |
686 | xn=X509_NAME_dup(xn); | |
687 | if (xn == NULL) goto err; | |
f73e07cf | 688 | if (sk_X509_NAME_find(sk,xn) >= 0) |
d02b48c6 RE |
689 | X509_NAME_free(xn); |
690 | else | |
691 | { | |
f73e07cf BL |
692 | sk_X509_NAME_push(sk,xn); |
693 | sk_X509_NAME_push(ret,xn); | |
d02b48c6 RE |
694 | } |
695 | } | |
696 | ||
697 | if (0) | |
698 | { | |
699 | err: | |
f73e07cf | 700 | if (ret != NULL) sk_X509_NAME_pop_free(ret,X509_NAME_free); |
d02b48c6 RE |
701 | ret=NULL; |
702 | } | |
f73e07cf | 703 | if (sk != NULL) sk_X509_NAME_free(sk); |
d02b48c6 RE |
704 | if (in != NULL) BIO_free(in); |
705 | if (x != NULL) X509_free(x); | |
7ea61df4 NL |
706 | if (ret != NULL) |
707 | ERR_clear_error(); | |
d02b48c6 RE |
708 | return(ret); |
709 | } | |
58964a49 | 710 | #endif |
d02b48c6 | 711 | |
eb90a483 BL |
712 | /*! |
713 | * Add a file of certs to a stack. | |
714 | * \param stack the stack to add to. | |
715 | * \param file the file to add from. All certs in this file that are not | |
716 | * already in the stack will be added. | |
717 | * \return 1 for success, 0 for failure. Note that in the case of failure some | |
718 | * certs may have been added to \c stack. | |
719 | */ | |
720 | ||
661b361b BL |
721 | int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, |
722 | const char *file) | |
eb90a483 | 723 | { |
2ea09100 BM |
724 | BIO *in; |
725 | X509 *x=NULL; | |
726 | X509_NAME *xn=NULL; | |
727 | int ret=1; | |
ccd86b68 | 728 | int (*oldcmp)(const X509_NAME * const *a, const X509_NAME * const *b); |
eb90a483 | 729 | |
2ea09100 BM |
730 | oldcmp=sk_X509_NAME_set_cmp_func(stack,xname_cmp); |
731 | ||
732 | in=BIO_new(BIO_s_file_internal()); | |
733 | ||
734 | if (in == NULL) | |
735 | { | |
736 | SSLerr(SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK,ERR_R_MALLOC_FAILURE); | |
737 | goto err; | |
738 | } | |
739 | ||
740 | if (!BIO_read_filename(in,file)) | |
741 | goto err; | |
742 | ||
743 | for (;;) | |
744 | { | |
745 | if (PEM_read_bio_X509(in,&x,NULL,NULL) == NULL) | |
746 | break; | |
747 | if ((xn=X509_get_subject_name(x)) == NULL) goto err; | |
748 | xn=X509_NAME_dup(xn); | |
749 | if (xn == NULL) goto err; | |
750 | if (sk_X509_NAME_find(stack,xn) >= 0) | |
751 | X509_NAME_free(xn); | |
752 | else | |
753 | sk_X509_NAME_push(stack,xn); | |
754 | } | |
eb90a483 | 755 | |
ee91323f DSH |
756 | ERR_clear_error(); |
757 | ||
2ea09100 BM |
758 | if (0) |
759 | { | |
eb90a483 | 760 | err: |
2ea09100 BM |
761 | ret=0; |
762 | } | |
763 | if(in != NULL) | |
764 | BIO_free(in); | |
765 | if(x != NULL) | |
766 | X509_free(x); | |
767 | ||
927a28ba | 768 | (void)sk_X509_NAME_set_cmp_func(stack,oldcmp); |
eb90a483 | 769 | |
2ea09100 BM |
770 | return ret; |
771 | } | |
eb90a483 BL |
772 | |
773 | /*! | |
774 | * Add a directory of certs to a stack. | |
775 | * \param stack the stack to append to. | |
776 | * \param dir the directory to append from. All files in this directory will be | |
777 | * examined as potential certs. Any that are acceptable to | |
72e442a3 | 778 | * SSL_add_dir_cert_subjects_to_stack() that are not already in the stack will be |
eb90a483 BL |
779 | * included. |
780 | * \return 1 for success, 0 for failure. Note that in the case of failure some | |
781 | * certs may have been added to \c stack. | |
782 | */ | |
783 | ||
661b361b BL |
784 | int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, |
785 | const char *dir) | |
eb90a483 | 786 | { |
4083a229 RL |
787 | OPENSSL_DIR_CTX *d = NULL; |
788 | const char *filename; | |
2ea09100 | 789 | int ret = 0; |
eb90a483 | 790 | |
2ea09100 | 791 | CRYPTO_w_lock(CRYPTO_LOCK_READDIR); |
eb90a483 | 792 | |
2ea09100 | 793 | /* Note that a side effect is that the CAs will be sorted by name */ |
4083a229 RL |
794 | |
795 | while((filename = OPENSSL_DIR_read(&d, dir))) | |
2ea09100 BM |
796 | { |
797 | char buf[1024]; | |
798 | int r; | |
4083a229 RL |
799 | |
800 | if(strlen(dir)+strlen(filename)+2 > sizeof buf) | |
2ea09100 BM |
801 | { |
802 | SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK,SSL_R_PATH_TOO_LONG); | |
803 | goto err; | |
804 | } | |
4083a229 RL |
805 | |
806 | #ifdef OPENSSL_SYS_VMS | |
807 | r = BIO_snprintf(buf,sizeof buf,"%s%s",dir,filename); | |
808 | #else | |
809 | r = BIO_snprintf(buf,sizeof buf,"%s/%s",dir,filename); | |
810 | #endif | |
27545970 | 811 | if (r <= 0 || r >= (int)sizeof(buf)) |
2ea09100 BM |
812 | goto err; |
813 | if(!SSL_add_file_cert_subjects_to_stack(stack,buf)) | |
814 | goto err; | |
815 | } | |
0bf23d9b | 816 | |
4083a229 | 817 | if (errno) |
285046ec RL |
818 | { |
819 | SYSerr(SYS_F_OPENDIR, get_last_sys_error()); | |
4083a229 | 820 | ERR_add_error_data(3, "OPENSSL_DIR_read(&ctx, '", dir, "')"); |
285046ec | 821 | SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK, ERR_R_SYS_LIB); |
4083a229 | 822 | goto err; |
285046ec | 823 | } |
4083a229 | 824 | |
285046ec RL |
825 | ret = 1; |
826 | ||
6176df94 | 827 | err: |
4083a229 | 828 | if (d) OPENSSL_DIR_end(&d); |
285046ec RL |
829 | CRYPTO_w_unlock(CRYPTO_LOCK_READDIR); |
830 | return ret; | |
831 | } | |
832 |