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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 BM |
58 | /* ==================================================================== |
59 | * Copyright (c) 1999 The OpenSSL Project. All rights reserved. | |
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 | |
76 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | |
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 | |
81 | * openssl-core@OpenSSL.org. | |
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 | |
90 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
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 | * ==================================================================== | |
105 | */ | |
d02b48c6 RE |
106 | |
107 | #include <stdio.h> | |
17f389bb | 108 | |
41d2a336 | 109 | #include "e_os.h" |
17f389bb AP |
110 | #ifndef NO_SYS_TYPES_H |
111 | # include <sys/types.h> | |
112 | #endif | |
113 | ||
bc36ee62 | 114 | #if !defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_SYS_VMS) && !defined(NeXT) && !defined(MAC_OS_pre_X) |
eb90a483 | 115 | #include <dirent.h> |
06c68491 | 116 | #endif |
17f389bb | 117 | |
1444ba8d UM |
118 | #ifdef NeXT |
119 | #include <sys/dir.h> | |
120 | #define dirent direct | |
7d7d2cbc | 121 | #endif |
17f389bb | 122 | |
ec577822 BM |
123 | #include <openssl/objects.h> |
124 | #include <openssl/bio.h> | |
125 | #include <openssl/pem.h> | |
bb7cd4e3 | 126 | #include <openssl/x509v3.h> |
d02b48c6 RE |
127 | #include "ssl_locl.h" |
128 | ||
6b691a5c | 129 | int SSL_get_ex_data_X509_STORE_CTX_idx(void) |
dfeab068 | 130 | { |
3ac82faa | 131 | static volatile int ssl_x509_store_ctx_idx= -1; |
dfeab068 RE |
132 | |
133 | if (ssl_x509_store_ctx_idx < 0) | |
134 | { | |
3ac82faa BM |
135 | /* any write lock will do; usually this branch |
136 | * will only be taken once anyway */ | |
137 | CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX); | |
138 | ||
139 | if (ssl_x509_store_ctx_idx < 0) | |
140 | { | |
141 | ssl_x509_store_ctx_idx=X509_STORE_CTX_get_ex_new_index( | |
142 | 0,"SSL for verify callback",NULL,NULL,NULL); | |
143 | } | |
144 | ||
145 | CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX); | |
dfeab068 | 146 | } |
3ac82faa | 147 | return ssl_x509_store_ctx_idx; |
dfeab068 RE |
148 | } |
149 | ||
6b691a5c | 150 | CERT *ssl_cert_new(void) |
d02b48c6 RE |
151 | { |
152 | CERT *ret; | |
153 | ||
26a3a48d | 154 | ret=(CERT *)OPENSSL_malloc(sizeof(CERT)); |
d02b48c6 RE |
155 | if (ret == NULL) |
156 | { | |
157 | SSLerr(SSL_F_SSL_CERT_NEW,ERR_R_MALLOC_FAILURE); | |
158 | return(NULL); | |
159 | } | |
160 | memset(ret,0,sizeof(CERT)); | |
d02b48c6 RE |
161 | |
162 | ret->key= &(ret->pkeys[SSL_PKEY_RSA_ENC]); | |
163 | ret->references=1; | |
164 | ||
165 | return(ret); | |
166 | } | |
167 | ||
ca8e5b9b BM |
168 | CERT *ssl_cert_dup(CERT *cert) |
169 | { | |
170 | CERT *ret; | |
171 | int i; | |
172 | ||
26a3a48d | 173 | ret = (CERT *)OPENSSL_malloc(sizeof(CERT)); |
ca8e5b9b BM |
174 | if (ret == NULL) |
175 | { | |
176 | SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE); | |
177 | return(NULL); | |
178 | } | |
179 | ||
180 | memset(ret, 0, sizeof(CERT)); | |
181 | ||
ca8e5b9b BM |
182 | ret->key = &ret->pkeys[cert->key - &cert->pkeys[0]]; |
183 | /* or ret->key = ret->pkeys + (cert->key - cert->pkeys), | |
184 | * if you find that more readable */ | |
185 | ||
186 | ret->valid = cert->valid; | |
187 | ret->mask = cert->mask; | |
188 | ret->export_mask = cert->export_mask; | |
189 | ||
bc36ee62 | 190 | #ifndef OPENSSL_NO_RSA |
ca8e5b9b BM |
191 | if (cert->rsa_tmp != NULL) |
192 | { | |
193 | ret->rsa_tmp = cert->rsa_tmp; | |
194 | CRYPTO_add(&ret->rsa_tmp->references, 1, CRYPTO_LOCK_RSA); | |
195 | } | |
196 | ret->rsa_tmp_cb = cert->rsa_tmp_cb; | |
197 | #endif | |
198 | ||
bc36ee62 | 199 | #ifndef OPENSSL_NO_DH |
ca8e5b9b BM |
200 | if (cert->dh_tmp != NULL) |
201 | { | |
e11f0de6 | 202 | /* DH parameters don't have a reference count */ |
ca8e5b9b BM |
203 | ret->dh_tmp = DHparams_dup(cert->dh_tmp); |
204 | if (ret->dh_tmp == NULL) | |
205 | { | |
448e2f9b | 206 | SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_DH_LIB); |
ca8e5b9b BM |
207 | goto err; |
208 | } | |
e11f0de6 BM |
209 | if (cert->dh_tmp->priv_key) |
210 | { | |
211 | BIGNUM *b = BN_dup(cert->dh_tmp->priv_key); | |
212 | if (!b) | |
213 | { | |
448e2f9b | 214 | SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB); |
e11f0de6 BM |
215 | goto err; |
216 | } | |
217 | ret->dh_tmp->priv_key = b; | |
218 | } | |
219 | if (cert->dh_tmp->pub_key) | |
220 | { | |
221 | BIGNUM *b = BN_dup(cert->dh_tmp->pub_key); | |
222 | if (!b) | |
223 | { | |
448e2f9b | 224 | SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB); |
e11f0de6 BM |
225 | goto err; |
226 | } | |
227 | ret->dh_tmp->pub_key = b; | |
228 | } | |
ca8e5b9b BM |
229 | } |
230 | ret->dh_tmp_cb = cert->dh_tmp_cb; | |
231 | #endif | |
232 | ||
233 | for (i = 0; i < SSL_PKEY_NUM; i++) | |
234 | { | |
235 | if (cert->pkeys[i].x509 != NULL) | |
236 | { | |
237 | ret->pkeys[i].x509 = cert->pkeys[i].x509; | |
238 | CRYPTO_add(&ret->pkeys[i].x509->references, 1, | |
239 | CRYPTO_LOCK_X509); | |
240 | } | |
241 | ||
242 | if (cert->pkeys[i].privatekey != NULL) | |
243 | { | |
244 | ret->pkeys[i].privatekey = cert->pkeys[i].privatekey; | |
245 | CRYPTO_add(&ret->pkeys[i].privatekey->references, 1, | |
246 | CRYPTO_LOCK_EVP_PKEY); | |
247 | ||
248 | switch(i) | |
249 | { | |
250 | /* If there was anything special to do for | |
251 | * certain types of keys, we'd do it here. | |
252 | * (Nothing at the moment, I think.) */ | |
253 | ||
254 | case SSL_PKEY_RSA_ENC: | |
255 | case SSL_PKEY_RSA_SIGN: | |
256 | /* We have an RSA key. */ | |
257 | break; | |
258 | ||
259 | case SSL_PKEY_DSA_SIGN: | |
260 | /* We have a DSA key. */ | |
261 | break; | |
262 | ||
263 | case SSL_PKEY_DH_RSA: | |
264 | case SSL_PKEY_DH_DSA: | |
265 | /* We have a DH key. */ | |
266 | break; | |
267 | ||
268 | default: | |
269 | /* Can't happen. */ | |
270 | SSLerr(SSL_F_SSL_CERT_DUP, SSL_R_LIBRARY_BUG); | |
271 | } | |
272 | } | |
273 | } | |
274 | ||
ca8e5b9b BM |
275 | /* ret->extra_certs *should* exist, but currently the own certificate |
276 | * chain is held inside SSL_CTX */ | |
277 | ||
278 | ret->references=1; | |
279 | ||
280 | return(ret); | |
281 | ||
bc36ee62 | 282 | #ifndef OPENSSL_NO_DH /* avoid 'unreferenced label' warning if OPENSSL_NO_DH is defined */ |
ca8e5b9b | 283 | err: |
3c758be8 | 284 | #endif |
bc36ee62 | 285 | #ifndef OPENSSL_NO_RSA |
ca8e5b9b BM |
286 | if (ret->rsa_tmp != NULL) |
287 | RSA_free(ret->rsa_tmp); | |
288 | #endif | |
bc36ee62 | 289 | #ifndef OPENSSL_NO_DH |
ca8e5b9b BM |
290 | if (ret->dh_tmp != NULL) |
291 | DH_free(ret->dh_tmp); | |
292 | #endif | |
293 | ||
294 | for (i = 0; i < SSL_PKEY_NUM; i++) | |
295 | { | |
296 | if (ret->pkeys[i].x509 != NULL) | |
297 | X509_free(ret->pkeys[i].x509); | |
298 | if (ret->pkeys[i].privatekey != NULL) | |
299 | EVP_PKEY_free(ret->pkeys[i].privatekey); | |
300 | } | |
301 | ||
302 | return NULL; | |
303 | } | |
304 | ||
305 | ||
eb90a483 | 306 | void ssl_cert_free(CERT *c) |
d02b48c6 RE |
307 | { |
308 | int i; | |
309 | ||
e03ddfae BL |
310 | if(c == NULL) |
311 | return; | |
312 | ||
d02b48c6 | 313 | i=CRYPTO_add(&c->references,-1,CRYPTO_LOCK_SSL_CERT); |
58964a49 RE |
314 | #ifdef REF_PRINT |
315 | REF_PRINT("CERT",c); | |
316 | #endif | |
d02b48c6 RE |
317 | if (i > 0) return; |
318 | #ifdef REF_CHECK | |
319 | if (i < 0) | |
320 | { | |
321 | fprintf(stderr,"ssl_cert_free, bad reference count\n"); | |
322 | abort(); /* ok */ | |
323 | } | |
324 | #endif | |
325 | ||
bc36ee62 | 326 | #ifndef OPENSSL_NO_RSA |
d02b48c6 RE |
327 | if (c->rsa_tmp) RSA_free(c->rsa_tmp); |
328 | #endif | |
bc36ee62 | 329 | #ifndef OPENSSL_NO_DH |
d02b48c6 RE |
330 | if (c->dh_tmp) DH_free(c->dh_tmp); |
331 | #endif | |
332 | ||
333 | for (i=0; i<SSL_PKEY_NUM; i++) | |
334 | { | |
335 | if (c->pkeys[i].x509 != NULL) | |
336 | X509_free(c->pkeys[i].x509); | |
337 | if (c->pkeys[i].privatekey != NULL) | |
338 | EVP_PKEY_free(c->pkeys[i].privatekey); | |
339 | #if 0 | |
340 | if (c->pkeys[i].publickey != NULL) | |
341 | EVP_PKEY_free(c->pkeys[i].publickey); | |
342 | #endif | |
343 | } | |
26a3a48d | 344 | OPENSSL_free(c); |
d02b48c6 RE |
345 | } |
346 | ||
ca8e5b9b BM |
347 | int ssl_cert_inst(CERT **o) |
348 | { | |
349 | /* Create a CERT if there isn't already one | |
350 | * (which cannot really happen, as it is initially created in | |
351 | * SSL_CTX_new; but the earlier code usually allows for that one | |
352 | * being non-existant, so we follow that behaviour, as it might | |
1c3e0a19 BM |
353 | * turn out that there actually is a reason for it -- but I'm |
354 | * not sure that *all* of the existing code could cope with | |
355 | * s->cert being NULL, otherwise we could do without the | |
356 | * initialization in SSL_CTX_new). | |
357 | */ | |
358 | ||
ca8e5b9b BM |
359 | if (o == NULL) |
360 | { | |
361 | SSLerr(SSL_F_SSL_CERT_INST, ERR_R_PASSED_NULL_PARAMETER); | |
362 | return(0); | |
363 | } | |
364 | if (*o == NULL) | |
365 | { | |
366 | if ((*o = ssl_cert_new()) == NULL) | |
367 | { | |
368 | SSLerr(SSL_F_SSL_CERT_INST, ERR_R_MALLOC_FAILURE); | |
369 | return(0); | |
370 | } | |
371 | } | |
372 | return(1); | |
373 | } | |
374 | ||
b56bce4f BM |
375 | |
376 | SESS_CERT *ssl_sess_cert_new(void) | |
15d21c2d | 377 | { |
b56bce4f BM |
378 | SESS_CERT *ret; |
379 | ||
26a3a48d | 380 | ret = OPENSSL_malloc(sizeof *ret); |
b56bce4f | 381 | if (ret == NULL) |
15d21c2d | 382 | { |
b56bce4f BM |
383 | SSLerr(SSL_F_SSL_SESS_CERT_NEW, ERR_R_MALLOC_FAILURE); |
384 | return NULL; | |
15d21c2d | 385 | } |
b56bce4f BM |
386 | |
387 | memset(ret, 0 ,sizeof *ret); | |
388 | ret->peer_key = &(ret->peer_pkeys[SSL_PKEY_RSA_ENC]); | |
389 | ret->references = 1; | |
390 | ||
391 | return ret; | |
392 | } | |
393 | ||
394 | void ssl_sess_cert_free(SESS_CERT *sc) | |
395 | { | |
396 | int i; | |
397 | ||
398 | if (sc == NULL) | |
399 | return; | |
400 | ||
401 | i = CRYPTO_add(&sc->references, -1, CRYPTO_LOCK_SSL_SESS_CERT); | |
402 | #ifdef REF_PRINT | |
403 | REF_PRINT("SESS_CERT", sc); | |
404 | #endif | |
405 | if (i > 0) | |
406 | return; | |
407 | #ifdef REF_CHECK | |
408 | if (i < 0) | |
15d21c2d | 409 | { |
b56bce4f BM |
410 | fprintf(stderr,"ssl_sess_cert_free, bad reference count\n"); |
411 | abort(); /* ok */ | |
15d21c2d | 412 | } |
ca8e5b9b | 413 | #endif |
15d21c2d | 414 | |
b56bce4f BM |
415 | /* i == 0 */ |
416 | if (sc->cert_chain != NULL) | |
417 | sk_X509_pop_free(sc->cert_chain, X509_free); | |
418 | for (i = 0; i < SSL_PKEY_NUM; i++) | |
419 | { | |
420 | if (sc->peer_pkeys[i].x509 != NULL) | |
421 | X509_free(sc->peer_pkeys[i].x509); | |
422 | #if 0 /* We don't have the peer's private key. These lines are just | |
423 | * here as a reminder that we're still using a not-quite-appropriate | |
424 | * data structure. */ | |
425 | if (sc->peer_pkeys[i].privatekey != NULL) | |
426 | EVP_PKEY_free(sc->peer_pkeys[i].privatekey); | |
427 | #endif | |
428 | } | |
429 | ||
bc36ee62 | 430 | #ifndef OPENSSL_NO_RSA |
b56bce4f BM |
431 | if (sc->peer_rsa_tmp != NULL) |
432 | RSA_free(sc->peer_rsa_tmp); | |
433 | #endif | |
bc36ee62 | 434 | #ifndef OPENSSL_NO_DH |
b56bce4f BM |
435 | if (sc->peer_dh_tmp != NULL) |
436 | DH_free(sc->peer_dh_tmp); | |
437 | #endif | |
438 | ||
26a3a48d | 439 | OPENSSL_free(sc); |
b56bce4f BM |
440 | } |
441 | ||
442 | int ssl_set_peer_cert_type(SESS_CERT *sc,int type) | |
d02b48c6 | 443 | { |
b56bce4f | 444 | sc->peer_cert_type = type; |
d02b48c6 RE |
445 | return(1); |
446 | } | |
447 | ||
f73e07cf | 448 | int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk) |
d02b48c6 RE |
449 | { |
450 | X509 *x; | |
451 | int i; | |
452 | X509_STORE_CTX ctx; | |
453 | ||
f73e07cf | 454 | if ((sk == NULL) || (sk_X509_num(sk) == 0)) |
d02b48c6 RE |
455 | return(0); |
456 | ||
f73e07cf | 457 | x=sk_X509_value(sk,0); |
d02b48c6 | 458 | X509_STORE_CTX_init(&ctx,s->ctx->cert_store,x,sk); |
7f89714e BM |
459 | if (SSL_get_verify_depth(s) >= 0) |
460 | X509_STORE_CTX_set_depth(&ctx, SSL_get_verify_depth(s)); | |
dd9d233e | 461 | X509_STORE_CTX_set_ex_data(&ctx,SSL_get_ex_data_X509_STORE_CTX_idx(),s); |
3ac82faa | 462 | |
bb7cd4e3 DSH |
463 | /* We need to set the verify purpose. The purpose can be determined by |
464 | * the context: if its a server it will verify SSL client certificates | |
465 | * or vice versa. | |
3ac82faa BM |
466 | */ |
467 | if (s->server) | |
468 | i = X509_PURPOSE_SSL_CLIENT; | |
469 | else | |
470 | i = X509_PURPOSE_SSL_SERVER; | |
bb7cd4e3 DSH |
471 | |
472 | X509_STORE_CTX_purpose_inherit(&ctx, i, s->purpose, s->trust); | |
d02b48c6 | 473 | |
be2e2c32 BL |
474 | if(s->verify_callback) |
475 | X509_STORE_CTX_set_verify_cb(&ctx, s->verify_callback); | |
1f0c9ad7 | 476 | |
d02b48c6 | 477 | if (s->ctx->app_verify_callback != NULL) |
204cf1ab | 478 | i=s->ctx->app_verify_callback(&ctx); /* should pass app_verify_arg */ |
d02b48c6 | 479 | else |
dfeab068 | 480 | { |
bc36ee62 | 481 | #ifndef OPENSSL_NO_X509_VERIFY |
d02b48c6 | 482 | i=X509_verify_cert(&ctx); |
dfeab068 RE |
483 | #else |
484 | i=0; | |
485 | ctx.error=X509_V_ERR_APPLICATION_VERIFICATION; | |
486 | SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN,SSL_R_NO_VERIFY_CALLBACK); | |
487 | #endif | |
488 | } | |
d02b48c6 | 489 | |
d02b48c6 | 490 | s->verify_result=ctx.error; |
dfeab068 | 491 | X509_STORE_CTX_cleanup(&ctx); |
d02b48c6 RE |
492 | |
493 | return(i); | |
494 | } | |
495 | ||
6b691a5c | 496 | static void set_client_CA_list(STACK_OF(X509_NAME) **ca_list,STACK_OF(X509_NAME) *list) |
d02b48c6 RE |
497 | { |
498 | if (*ca_list != NULL) | |
f73e07cf | 499 | sk_X509_NAME_pop_free(*ca_list,X509_NAME_free); |
d02b48c6 RE |
500 | |
501 | *ca_list=list; | |
502 | } | |
503 | ||
838d25a1 | 504 | STACK_OF(X509_NAME) *SSL_dup_CA_list(STACK_OF(X509_NAME) *sk) |
d02b48c6 RE |
505 | { |
506 | int i; | |
838d25a1 | 507 | STACK_OF(X509_NAME) *ret; |
d02b48c6 RE |
508 | X509_NAME *name; |
509 | ||
838d25a1 BL |
510 | ret=sk_X509_NAME_new_null(); |
511 | for (i=0; i<sk_X509_NAME_num(sk); i++) | |
d02b48c6 | 512 | { |
838d25a1 BL |
513 | name=X509_NAME_dup(sk_X509_NAME_value(sk,i)); |
514 | if ((name == NULL) || !sk_X509_NAME_push(ret,name)) | |
d02b48c6 | 515 | { |
838d25a1 | 516 | sk_X509_NAME_pop_free(ret,X509_NAME_free); |
d02b48c6 RE |
517 | return(NULL); |
518 | } | |
519 | } | |
520 | return(ret); | |
521 | } | |
522 | ||
f73e07cf | 523 | void SSL_set_client_CA_list(SSL *s,STACK_OF(X509_NAME) *list) |
d02b48c6 RE |
524 | { |
525 | set_client_CA_list(&(s->client_CA),list); | |
526 | } | |
527 | ||
f73e07cf | 528 | void SSL_CTX_set_client_CA_list(SSL_CTX *ctx,STACK_OF(X509_NAME) *list) |
d02b48c6 RE |
529 | { |
530 | set_client_CA_list(&(ctx->client_CA),list); | |
531 | } | |
532 | ||
f73e07cf | 533 | STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(SSL_CTX *ctx) |
d02b48c6 RE |
534 | { |
535 | return(ctx->client_CA); | |
536 | } | |
537 | ||
f73e07cf | 538 | STACK_OF(X509_NAME) *SSL_get_client_CA_list(SSL *s) |
d02b48c6 RE |
539 | { |
540 | if (s->type == SSL_ST_CONNECT) | |
541 | { /* we are in the client */ | |
58964a49 RE |
542 | if (((s->version>>8) == SSL3_VERSION_MAJOR) && |
543 | (s->s3 != NULL)) | |
d02b48c6 RE |
544 | return(s->s3->tmp.ca_names); |
545 | else | |
546 | return(NULL); | |
547 | } | |
548 | else | |
549 | { | |
550 | if (s->client_CA != NULL) | |
551 | return(s->client_CA); | |
552 | else | |
553 | return(s->ctx->client_CA); | |
554 | } | |
555 | } | |
556 | ||
f73e07cf | 557 | static int add_client_CA(STACK_OF(X509_NAME) **sk,X509 *x) |
d02b48c6 RE |
558 | { |
559 | X509_NAME *name; | |
560 | ||
561 | if (x == NULL) return(0); | |
f73e07cf | 562 | if ((*sk == NULL) && ((*sk=sk_X509_NAME_new_null()) == NULL)) |
d02b48c6 RE |
563 | return(0); |
564 | ||
565 | if ((name=X509_NAME_dup(X509_get_subject_name(x))) == NULL) | |
566 | return(0); | |
567 | ||
f73e07cf | 568 | if (!sk_X509_NAME_push(*sk,name)) |
d02b48c6 RE |
569 | { |
570 | X509_NAME_free(name); | |
571 | return(0); | |
572 | } | |
573 | return(1); | |
574 | } | |
575 | ||
eb90a483 | 576 | int SSL_add_client_CA(SSL *ssl,X509 *x) |
d02b48c6 RE |
577 | { |
578 | return(add_client_CA(&(ssl->client_CA),x)); | |
579 | } | |
580 | ||
eb90a483 | 581 | int SSL_CTX_add_client_CA(SSL_CTX *ctx,X509 *x) |
d02b48c6 RE |
582 | { |
583 | return(add_client_CA(&(ctx->client_CA),x)); | |
584 | } | |
585 | ||
ccd86b68 | 586 | static int xname_cmp(const X509_NAME * const *a, const X509_NAME * const *b) |
d02b48c6 RE |
587 | { |
588 | return(X509_NAME_cmp(*a,*b)); | |
589 | } | |
590 | ||
bc36ee62 | 591 | #ifndef OPENSSL_NO_STDIO |
eb90a483 BL |
592 | /*! |
593 | * Load CA certs from a file into a ::STACK. Note that it is somewhat misnamed; | |
594 | * it doesn't really have anything to do with clients (except that a common use | |
595 | * for a stack of CAs is to send it to the client). Actually, it doesn't have | |
596 | * much to do with CAs, either, since it will load any old cert. | |
597 | * \param file the file containing one or more certs. | |
598 | * \return a ::STACK containing the certs. | |
599 | */ | |
f73e07cf | 600 | STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file) |
d02b48c6 RE |
601 | { |
602 | BIO *in; | |
603 | X509 *x=NULL; | |
604 | X509_NAME *xn=NULL; | |
f73e07cf | 605 | STACK_OF(X509_NAME) *ret,*sk; |
d02b48c6 | 606 | |
62324627 | 607 | ret=sk_X509_NAME_new_null(); |
bb7cd4e3 | 608 | sk=sk_X509_NAME_new(xname_cmp); |
58964a49 RE |
609 | |
610 | in=BIO_new(BIO_s_file_internal()); | |
611 | ||
d02b48c6 RE |
612 | if ((ret == NULL) || (sk == NULL) || (in == NULL)) |
613 | { | |
614 | SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE,ERR_R_MALLOC_FAILURE); | |
615 | goto err; | |
616 | } | |
617 | ||
618 | if (!BIO_read_filename(in,file)) | |
619 | goto err; | |
620 | ||
621 | for (;;) | |
622 | { | |
74678cc2 | 623 | if (PEM_read_bio_X509(in,&x,NULL,NULL) == NULL) |
d02b48c6 RE |
624 | break; |
625 | if ((xn=X509_get_subject_name(x)) == NULL) goto err; | |
626 | /* check for duplicates */ | |
627 | xn=X509_NAME_dup(xn); | |
628 | if (xn == NULL) goto err; | |
f73e07cf | 629 | if (sk_X509_NAME_find(sk,xn) >= 0) |
d02b48c6 RE |
630 | X509_NAME_free(xn); |
631 | else | |
632 | { | |
f73e07cf BL |
633 | sk_X509_NAME_push(sk,xn); |
634 | sk_X509_NAME_push(ret,xn); | |
d02b48c6 RE |
635 | } |
636 | } | |
637 | ||
638 | if (0) | |
639 | { | |
640 | err: | |
f73e07cf | 641 | if (ret != NULL) sk_X509_NAME_pop_free(ret,X509_NAME_free); |
d02b48c6 RE |
642 | ret=NULL; |
643 | } | |
f73e07cf | 644 | if (sk != NULL) sk_X509_NAME_free(sk); |
d02b48c6 RE |
645 | if (in != NULL) BIO_free(in); |
646 | if (x != NULL) X509_free(x); | |
647 | return(ret); | |
648 | } | |
58964a49 | 649 | #endif |
d02b48c6 | 650 | |
eb90a483 BL |
651 | /*! |
652 | * Add a file of certs to a stack. | |
653 | * \param stack the stack to add to. | |
654 | * \param file the file to add from. All certs in this file that are not | |
655 | * already in the stack will be added. | |
656 | * \return 1 for success, 0 for failure. Note that in the case of failure some | |
657 | * certs may have been added to \c stack. | |
658 | */ | |
659 | ||
661b361b BL |
660 | int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, |
661 | const char *file) | |
eb90a483 | 662 | { |
2ea09100 BM |
663 | BIO *in; |
664 | X509 *x=NULL; | |
665 | X509_NAME *xn=NULL; | |
666 | int ret=1; | |
ccd86b68 | 667 | int (*oldcmp)(const X509_NAME * const *a, const X509_NAME * const *b); |
eb90a483 | 668 | |
2ea09100 BM |
669 | oldcmp=sk_X509_NAME_set_cmp_func(stack,xname_cmp); |
670 | ||
671 | in=BIO_new(BIO_s_file_internal()); | |
672 | ||
673 | if (in == NULL) | |
674 | { | |
675 | SSLerr(SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK,ERR_R_MALLOC_FAILURE); | |
676 | goto err; | |
677 | } | |
678 | ||
679 | if (!BIO_read_filename(in,file)) | |
680 | goto err; | |
681 | ||
682 | for (;;) | |
683 | { | |
684 | if (PEM_read_bio_X509(in,&x,NULL,NULL) == NULL) | |
685 | break; | |
686 | if ((xn=X509_get_subject_name(x)) == NULL) goto err; | |
687 | xn=X509_NAME_dup(xn); | |
688 | if (xn == NULL) goto err; | |
689 | if (sk_X509_NAME_find(stack,xn) >= 0) | |
690 | X509_NAME_free(xn); | |
691 | else | |
692 | sk_X509_NAME_push(stack,xn); | |
693 | } | |
eb90a483 | 694 | |
2ea09100 BM |
695 | if (0) |
696 | { | |
eb90a483 | 697 | err: |
2ea09100 BM |
698 | ret=0; |
699 | } | |
700 | if(in != NULL) | |
701 | BIO_free(in); | |
702 | if(x != NULL) | |
703 | X509_free(x); | |
704 | ||
705 | sk_X509_NAME_set_cmp_func(stack,oldcmp); | |
eb90a483 | 706 | |
2ea09100 BM |
707 | return ret; |
708 | } | |
eb90a483 BL |
709 | |
710 | /*! | |
711 | * Add a directory of certs to a stack. | |
712 | * \param stack the stack to append to. | |
713 | * \param dir the directory to append from. All files in this directory will be | |
714 | * examined as potential certs. Any that are acceptable to | |
72e442a3 | 715 | * SSL_add_dir_cert_subjects_to_stack() that are not already in the stack will be |
eb90a483 BL |
716 | * included. |
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 | ||
bc36ee62 RL |
721 | #ifndef OPENSSL_SYS_WIN32 |
722 | #ifndef OPENSSL_SYS_VMS /* XXXX This may be fixed in the future */ | |
17f389bb | 723 | #ifndef MAC_OS_pre_X |
06c68491 | 724 | |
661b361b BL |
725 | int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, |
726 | const char *dir) | |
eb90a483 | 727 | { |
2ea09100 BM |
728 | DIR *d; |
729 | struct dirent *dstruct; | |
730 | int ret = 0; | |
eb90a483 | 731 | |
2ea09100 BM |
732 | CRYPTO_w_lock(CRYPTO_LOCK_READDIR); |
733 | d = opendir(dir); | |
eb90a483 | 734 | |
2ea09100 BM |
735 | /* Note that a side effect is that the CAs will be sorted by name */ |
736 | if(!d) | |
737 | { | |
738 | SYSerr(SYS_F_OPENDIR, get_last_sys_error()); | |
739 | ERR_add_error_data(3, "opendir('", dir, "')"); | |
740 | SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK, ERR_R_SYS_LIB); | |
741 | goto err; | |
742 | } | |
eb90a483 | 743 | |
2ea09100 BM |
744 | while((dstruct=readdir(d))) |
745 | { | |
746 | char buf[1024]; | |
747 | int r; | |
748 | ||
749 | if(strlen(dir)+strlen(dstruct->d_name)+2 > sizeof buf) | |
750 | { | |
751 | SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK,SSL_R_PATH_TOO_LONG); | |
752 | goto err; | |
753 | } | |
754 | ||
755 | r = BIO_snprintf(buf,sizeof buf,"%s/%s",dir,dstruct->d_name); | |
756 | if (r <= 0 || r >= sizeof buf) | |
757 | goto err; | |
758 | if(!SSL_add_file_cert_subjects_to_stack(stack,buf)) | |
759 | goto err; | |
760 | } | |
761 | ret = 1; | |
eb90a483 | 762 | |
2a82c7cf | 763 | err: |
2ea09100 BM |
764 | CRYPTO_w_unlock(CRYPTO_LOCK_READDIR); |
765 | return ret; | |
766 | } | |
06c68491 DSH |
767 | |
768 | #endif | |
7d7d2cbc | 769 | #endif |
17f389bb | 770 | #endif |