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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 AP |
108 | |
109 | #include "openssl/e_os.h" | |
110 | ||
111 | #ifndef NO_SYS_TYPES_H | |
112 | # include <sys/types.h> | |
113 | #endif | |
114 | ||
115 | #if !defined(WIN32) && !defined(VSM) && !defined(NeXT) && !defined(MAC_OS_pre_X) | |
eb90a483 | 116 | #include <dirent.h> |
06c68491 | 117 | #endif |
17f389bb | 118 | |
1444ba8d UM |
119 | #ifdef NeXT |
120 | #include <sys/dir.h> | |
121 | #define dirent direct | |
7d7d2cbc | 122 | #endif |
17f389bb | 123 | |
ec577822 BM |
124 | #include <openssl/objects.h> |
125 | #include <openssl/bio.h> | |
126 | #include <openssl/pem.h> | |
bb7cd4e3 | 127 | #include <openssl/x509v3.h> |
d02b48c6 RE |
128 | #include "ssl_locl.h" |
129 | ||
6b691a5c | 130 | int SSL_get_ex_data_X509_STORE_CTX_idx(void) |
dfeab068 | 131 | { |
3ac82faa | 132 | static volatile int ssl_x509_store_ctx_idx= -1; |
dfeab068 RE |
133 | |
134 | if (ssl_x509_store_ctx_idx < 0) | |
135 | { | |
3ac82faa BM |
136 | /* any write lock will do; usually this branch |
137 | * will only be taken once anyway */ | |
138 | CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX); | |
139 | ||
140 | if (ssl_x509_store_ctx_idx < 0) | |
141 | { | |
142 | ssl_x509_store_ctx_idx=X509_STORE_CTX_get_ex_new_index( | |
143 | 0,"SSL for verify callback",NULL,NULL,NULL); | |
144 | } | |
145 | ||
146 | CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX); | |
dfeab068 | 147 | } |
3ac82faa | 148 | return ssl_x509_store_ctx_idx; |
dfeab068 RE |
149 | } |
150 | ||
6b691a5c | 151 | CERT *ssl_cert_new(void) |
d02b48c6 RE |
152 | { |
153 | CERT *ret; | |
154 | ||
26a3a48d | 155 | ret=(CERT *)OPENSSL_malloc(sizeof(CERT)); |
d02b48c6 RE |
156 | if (ret == NULL) |
157 | { | |
158 | SSLerr(SSL_F_SSL_CERT_NEW,ERR_R_MALLOC_FAILURE); | |
159 | return(NULL); | |
160 | } | |
161 | memset(ret,0,sizeof(CERT)); | |
d02b48c6 RE |
162 | |
163 | ret->key= &(ret->pkeys[SSL_PKEY_RSA_ENC]); | |
164 | ret->references=1; | |
165 | ||
166 | return(ret); | |
167 | } | |
168 | ||
ca8e5b9b BM |
169 | CERT *ssl_cert_dup(CERT *cert) |
170 | { | |
171 | CERT *ret; | |
172 | int i; | |
173 | ||
26a3a48d | 174 | ret = (CERT *)OPENSSL_malloc(sizeof(CERT)); |
ca8e5b9b BM |
175 | if (ret == NULL) |
176 | { | |
177 | SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE); | |
178 | return(NULL); | |
179 | } | |
180 | ||
181 | memset(ret, 0, sizeof(CERT)); | |
182 | ||
ca8e5b9b BM |
183 | ret->key = &ret->pkeys[cert->key - &cert->pkeys[0]]; |
184 | /* or ret->key = ret->pkeys + (cert->key - cert->pkeys), | |
185 | * if you find that more readable */ | |
186 | ||
187 | ret->valid = cert->valid; | |
188 | ret->mask = cert->mask; | |
189 | ret->export_mask = cert->export_mask; | |
190 | ||
191 | #ifndef NO_RSA | |
192 | if (cert->rsa_tmp != NULL) | |
193 | { | |
194 | ret->rsa_tmp = cert->rsa_tmp; | |
195 | CRYPTO_add(&ret->rsa_tmp->references, 1, CRYPTO_LOCK_RSA); | |
196 | } | |
197 | ret->rsa_tmp_cb = cert->rsa_tmp_cb; | |
198 | #endif | |
199 | ||
200 | #ifndef NO_DH | |
201 | if (cert->dh_tmp != NULL) | |
202 | { | |
e11f0de6 | 203 | /* DH parameters don't have a reference count */ |
ca8e5b9b BM |
204 | ret->dh_tmp = DHparams_dup(cert->dh_tmp); |
205 | if (ret->dh_tmp == NULL) | |
206 | { | |
448e2f9b | 207 | SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_DH_LIB); |
ca8e5b9b BM |
208 | goto err; |
209 | } | |
e11f0de6 BM |
210 | if (cert->dh_tmp->priv_key) |
211 | { | |
212 | BIGNUM *b = BN_dup(cert->dh_tmp->priv_key); | |
213 | if (!b) | |
214 | { | |
448e2f9b | 215 | SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB); |
e11f0de6 BM |
216 | goto err; |
217 | } | |
218 | ret->dh_tmp->priv_key = b; | |
219 | } | |
220 | if (cert->dh_tmp->pub_key) | |
221 | { | |
222 | BIGNUM *b = BN_dup(cert->dh_tmp->pub_key); | |
223 | if (!b) | |
224 | { | |
448e2f9b | 225 | SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB); |
e11f0de6 BM |
226 | goto err; |
227 | } | |
228 | ret->dh_tmp->pub_key = b; | |
229 | } | |
ca8e5b9b BM |
230 | } |
231 | ret->dh_tmp_cb = cert->dh_tmp_cb; | |
232 | #endif | |
233 | ||
234 | for (i = 0; i < SSL_PKEY_NUM; i++) | |
235 | { | |
236 | if (cert->pkeys[i].x509 != NULL) | |
237 | { | |
238 | ret->pkeys[i].x509 = cert->pkeys[i].x509; | |
239 | CRYPTO_add(&ret->pkeys[i].x509->references, 1, | |
240 | CRYPTO_LOCK_X509); | |
241 | } | |
242 | ||
243 | if (cert->pkeys[i].privatekey != NULL) | |
244 | { | |
245 | ret->pkeys[i].privatekey = cert->pkeys[i].privatekey; | |
246 | CRYPTO_add(&ret->pkeys[i].privatekey->references, 1, | |
247 | CRYPTO_LOCK_EVP_PKEY); | |
248 | ||
249 | switch(i) | |
250 | { | |
251 | /* If there was anything special to do for | |
252 | * certain types of keys, we'd do it here. | |
253 | * (Nothing at the moment, I think.) */ | |
254 | ||
255 | case SSL_PKEY_RSA_ENC: | |
256 | case SSL_PKEY_RSA_SIGN: | |
257 | /* We have an RSA key. */ | |
258 | break; | |
259 | ||
260 | case SSL_PKEY_DSA_SIGN: | |
261 | /* We have a DSA key. */ | |
262 | break; | |
263 | ||
264 | case SSL_PKEY_DH_RSA: | |
265 | case SSL_PKEY_DH_DSA: | |
266 | /* We have a DH key. */ | |
267 | break; | |
268 | ||
269 | default: | |
270 | /* Can't happen. */ | |
271 | SSLerr(SSL_F_SSL_CERT_DUP, SSL_R_LIBRARY_BUG); | |
272 | } | |
273 | } | |
274 | } | |
275 | ||
ca8e5b9b BM |
276 | /* ret->extra_certs *should* exist, but currently the own certificate |
277 | * chain is held inside SSL_CTX */ | |
278 | ||
279 | ret->references=1; | |
280 | ||
281 | return(ret); | |
282 | ||
3c758be8 | 283 | #ifndef NO_DH /* avoid 'unreferenced label' warning if NO_DH is defined */ |
ca8e5b9b | 284 | err: |
3c758be8 | 285 | #endif |
ca8e5b9b BM |
286 | #ifndef NO_RSA |
287 | if (ret->rsa_tmp != NULL) | |
288 | RSA_free(ret->rsa_tmp); | |
289 | #endif | |
290 | #ifndef NO_DH | |
291 | if (ret->dh_tmp != NULL) | |
292 | DH_free(ret->dh_tmp); | |
293 | #endif | |
294 | ||
295 | for (i = 0; i < SSL_PKEY_NUM; i++) | |
296 | { | |
297 | if (ret->pkeys[i].x509 != NULL) | |
298 | X509_free(ret->pkeys[i].x509); | |
299 | if (ret->pkeys[i].privatekey != NULL) | |
300 | EVP_PKEY_free(ret->pkeys[i].privatekey); | |
301 | } | |
302 | ||
303 | return NULL; | |
304 | } | |
305 | ||
306 | ||
eb90a483 | 307 | void ssl_cert_free(CERT *c) |
d02b48c6 RE |
308 | { |
309 | int i; | |
310 | ||
e03ddfae BL |
311 | if(c == NULL) |
312 | return; | |
313 | ||
d02b48c6 | 314 | i=CRYPTO_add(&c->references,-1,CRYPTO_LOCK_SSL_CERT); |
58964a49 RE |
315 | #ifdef REF_PRINT |
316 | REF_PRINT("CERT",c); | |
317 | #endif | |
d02b48c6 RE |
318 | if (i > 0) return; |
319 | #ifdef REF_CHECK | |
320 | if (i < 0) | |
321 | { | |
322 | fprintf(stderr,"ssl_cert_free, bad reference count\n"); | |
323 | abort(); /* ok */ | |
324 | } | |
325 | #endif | |
326 | ||
327 | #ifndef NO_RSA | |
328 | if (c->rsa_tmp) RSA_free(c->rsa_tmp); | |
329 | #endif | |
330 | #ifndef NO_DH | |
331 | if (c->dh_tmp) DH_free(c->dh_tmp); | |
332 | #endif | |
333 | ||
334 | for (i=0; i<SSL_PKEY_NUM; i++) | |
335 | { | |
336 | if (c->pkeys[i].x509 != NULL) | |
337 | X509_free(c->pkeys[i].x509); | |
338 | if (c->pkeys[i].privatekey != NULL) | |
339 | EVP_PKEY_free(c->pkeys[i].privatekey); | |
340 | #if 0 | |
341 | if (c->pkeys[i].publickey != NULL) | |
342 | EVP_PKEY_free(c->pkeys[i].publickey); | |
343 | #endif | |
344 | } | |
26a3a48d | 345 | OPENSSL_free(c); |
d02b48c6 RE |
346 | } |
347 | ||
ca8e5b9b BM |
348 | int ssl_cert_inst(CERT **o) |
349 | { | |
350 | /* Create a CERT if there isn't already one | |
351 | * (which cannot really happen, as it is initially created in | |
352 | * SSL_CTX_new; but the earlier code usually allows for that one | |
353 | * being non-existant, so we follow that behaviour, as it might | |
1c3e0a19 BM |
354 | * turn out that there actually is a reason for it -- but I'm |
355 | * not sure that *all* of the existing code could cope with | |
356 | * s->cert being NULL, otherwise we could do without the | |
357 | * initialization in SSL_CTX_new). | |
358 | */ | |
359 | ||
ca8e5b9b BM |
360 | if (o == NULL) |
361 | { | |
362 | SSLerr(SSL_F_SSL_CERT_INST, ERR_R_PASSED_NULL_PARAMETER); | |
363 | return(0); | |
364 | } | |
365 | if (*o == NULL) | |
366 | { | |
367 | if ((*o = ssl_cert_new()) == NULL) | |
368 | { | |
369 | SSLerr(SSL_F_SSL_CERT_INST, ERR_R_MALLOC_FAILURE); | |
370 | return(0); | |
371 | } | |
372 | } | |
373 | return(1); | |
374 | } | |
375 | ||
b56bce4f BM |
376 | |
377 | SESS_CERT *ssl_sess_cert_new(void) | |
15d21c2d | 378 | { |
b56bce4f BM |
379 | SESS_CERT *ret; |
380 | ||
26a3a48d | 381 | ret = OPENSSL_malloc(sizeof *ret); |
b56bce4f | 382 | if (ret == NULL) |
15d21c2d | 383 | { |
b56bce4f BM |
384 | SSLerr(SSL_F_SSL_SESS_CERT_NEW, ERR_R_MALLOC_FAILURE); |
385 | return NULL; | |
15d21c2d | 386 | } |
b56bce4f BM |
387 | |
388 | memset(ret, 0 ,sizeof *ret); | |
389 | ret->peer_key = &(ret->peer_pkeys[SSL_PKEY_RSA_ENC]); | |
390 | ret->references = 1; | |
391 | ||
392 | return ret; | |
393 | } | |
394 | ||
395 | void ssl_sess_cert_free(SESS_CERT *sc) | |
396 | { | |
397 | int i; | |
398 | ||
399 | if (sc == NULL) | |
400 | return; | |
401 | ||
402 | i = CRYPTO_add(&sc->references, -1, CRYPTO_LOCK_SSL_SESS_CERT); | |
403 | #ifdef REF_PRINT | |
404 | REF_PRINT("SESS_CERT", sc); | |
405 | #endif | |
406 | if (i > 0) | |
407 | return; | |
408 | #ifdef REF_CHECK | |
409 | if (i < 0) | |
15d21c2d | 410 | { |
b56bce4f BM |
411 | fprintf(stderr,"ssl_sess_cert_free, bad reference count\n"); |
412 | abort(); /* ok */ | |
15d21c2d | 413 | } |
ca8e5b9b | 414 | #endif |
15d21c2d | 415 | |
b56bce4f BM |
416 | /* i == 0 */ |
417 | if (sc->cert_chain != NULL) | |
418 | sk_X509_pop_free(sc->cert_chain, X509_free); | |
419 | for (i = 0; i < SSL_PKEY_NUM; i++) | |
420 | { | |
421 | if (sc->peer_pkeys[i].x509 != NULL) | |
422 | X509_free(sc->peer_pkeys[i].x509); | |
423 | #if 0 /* We don't have the peer's private key. These lines are just | |
424 | * here as a reminder that we're still using a not-quite-appropriate | |
425 | * data structure. */ | |
426 | if (sc->peer_pkeys[i].privatekey != NULL) | |
427 | EVP_PKEY_free(sc->peer_pkeys[i].privatekey); | |
428 | #endif | |
429 | } | |
430 | ||
431 | #ifndef NO_RSA | |
432 | if (sc->peer_rsa_tmp != NULL) | |
433 | RSA_free(sc->peer_rsa_tmp); | |
434 | #endif | |
435 | #ifndef NO_DH | |
436 | if (sc->peer_dh_tmp != NULL) | |
437 | DH_free(sc->peer_dh_tmp); | |
438 | #endif | |
439 | ||
26a3a48d | 440 | OPENSSL_free(sc); |
b56bce4f BM |
441 | } |
442 | ||
443 | int ssl_set_peer_cert_type(SESS_CERT *sc,int type) | |
d02b48c6 | 444 | { |
b56bce4f | 445 | sc->peer_cert_type = type; |
d02b48c6 RE |
446 | return(1); |
447 | } | |
448 | ||
f73e07cf | 449 | int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk) |
d02b48c6 RE |
450 | { |
451 | X509 *x; | |
452 | int i; | |
453 | X509_STORE_CTX ctx; | |
454 | ||
f73e07cf | 455 | if ((sk == NULL) || (sk_X509_num(sk) == 0)) |
d02b48c6 RE |
456 | return(0); |
457 | ||
f73e07cf | 458 | x=sk_X509_value(sk,0); |
d02b48c6 | 459 | X509_STORE_CTX_init(&ctx,s->ctx->cert_store,x,sk); |
7f89714e BM |
460 | if (SSL_get_verify_depth(s) >= 0) |
461 | X509_STORE_CTX_set_depth(&ctx, SSL_get_verify_depth(s)); | |
dd9d233e | 462 | X509_STORE_CTX_set_ex_data(&ctx,SSL_get_ex_data_X509_STORE_CTX_idx(),s); |
3ac82faa | 463 | |
bb7cd4e3 DSH |
464 | /* We need to set the verify purpose. The purpose can be determined by |
465 | * the context: if its a server it will verify SSL client certificates | |
466 | * or vice versa. | |
3ac82faa BM |
467 | */ |
468 | if (s->server) | |
469 | i = X509_PURPOSE_SSL_CLIENT; | |
470 | else | |
471 | i = X509_PURPOSE_SSL_SERVER; | |
bb7cd4e3 DSH |
472 | |
473 | X509_STORE_CTX_purpose_inherit(&ctx, i, s->purpose, s->trust); | |
d02b48c6 RE |
474 | |
475 | if (s->ctx->app_verify_callback != NULL) | |
204cf1ab | 476 | i=s->ctx->app_verify_callback(&ctx); /* should pass app_verify_arg */ |
d02b48c6 | 477 | else |
dfeab068 RE |
478 | { |
479 | #ifndef NO_X509_VERIFY | |
d02b48c6 | 480 | i=X509_verify_cert(&ctx); |
dfeab068 RE |
481 | #else |
482 | i=0; | |
483 | ctx.error=X509_V_ERR_APPLICATION_VERIFICATION; | |
484 | SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN,SSL_R_NO_VERIFY_CALLBACK); | |
485 | #endif | |
486 | } | |
d02b48c6 | 487 | |
d02b48c6 | 488 | s->verify_result=ctx.error; |
dfeab068 | 489 | X509_STORE_CTX_cleanup(&ctx); |
d02b48c6 RE |
490 | |
491 | return(i); | |
492 | } | |
493 | ||
6b691a5c | 494 | static void set_client_CA_list(STACK_OF(X509_NAME) **ca_list,STACK_OF(X509_NAME) *list) |
d02b48c6 RE |
495 | { |
496 | if (*ca_list != NULL) | |
f73e07cf | 497 | sk_X509_NAME_pop_free(*ca_list,X509_NAME_free); |
d02b48c6 RE |
498 | |
499 | *ca_list=list; | |
500 | } | |
501 | ||
838d25a1 | 502 | STACK_OF(X509_NAME) *SSL_dup_CA_list(STACK_OF(X509_NAME) *sk) |
d02b48c6 RE |
503 | { |
504 | int i; | |
838d25a1 | 505 | STACK_OF(X509_NAME) *ret; |
d02b48c6 RE |
506 | X509_NAME *name; |
507 | ||
838d25a1 BL |
508 | ret=sk_X509_NAME_new_null(); |
509 | for (i=0; i<sk_X509_NAME_num(sk); i++) | |
d02b48c6 | 510 | { |
838d25a1 BL |
511 | name=X509_NAME_dup(sk_X509_NAME_value(sk,i)); |
512 | if ((name == NULL) || !sk_X509_NAME_push(ret,name)) | |
d02b48c6 | 513 | { |
838d25a1 | 514 | sk_X509_NAME_pop_free(ret,X509_NAME_free); |
d02b48c6 RE |
515 | return(NULL); |
516 | } | |
517 | } | |
518 | return(ret); | |
519 | } | |
520 | ||
f73e07cf | 521 | void SSL_set_client_CA_list(SSL *s,STACK_OF(X509_NAME) *list) |
d02b48c6 RE |
522 | { |
523 | set_client_CA_list(&(s->client_CA),list); | |
524 | } | |
525 | ||
f73e07cf | 526 | void SSL_CTX_set_client_CA_list(SSL_CTX *ctx,STACK_OF(X509_NAME) *list) |
d02b48c6 RE |
527 | { |
528 | set_client_CA_list(&(ctx->client_CA),list); | |
529 | } | |
530 | ||
f73e07cf | 531 | STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(SSL_CTX *ctx) |
d02b48c6 RE |
532 | { |
533 | return(ctx->client_CA); | |
534 | } | |
535 | ||
f73e07cf | 536 | STACK_OF(X509_NAME) *SSL_get_client_CA_list(SSL *s) |
d02b48c6 RE |
537 | { |
538 | if (s->type == SSL_ST_CONNECT) | |
539 | { /* we are in the client */ | |
58964a49 RE |
540 | if (((s->version>>8) == SSL3_VERSION_MAJOR) && |
541 | (s->s3 != NULL)) | |
d02b48c6 RE |
542 | return(s->s3->tmp.ca_names); |
543 | else | |
544 | return(NULL); | |
545 | } | |
546 | else | |
547 | { | |
548 | if (s->client_CA != NULL) | |
549 | return(s->client_CA); | |
550 | else | |
551 | return(s->ctx->client_CA); | |
552 | } | |
553 | } | |
554 | ||
f73e07cf | 555 | static int add_client_CA(STACK_OF(X509_NAME) **sk,X509 *x) |
d02b48c6 RE |
556 | { |
557 | X509_NAME *name; | |
558 | ||
559 | if (x == NULL) return(0); | |
f73e07cf | 560 | if ((*sk == NULL) && ((*sk=sk_X509_NAME_new_null()) == NULL)) |
d02b48c6 RE |
561 | return(0); |
562 | ||
563 | if ((name=X509_NAME_dup(X509_get_subject_name(x))) == NULL) | |
564 | return(0); | |
565 | ||
f73e07cf | 566 | if (!sk_X509_NAME_push(*sk,name)) |
d02b48c6 RE |
567 | { |
568 | X509_NAME_free(name); | |
569 | return(0); | |
570 | } | |
571 | return(1); | |
572 | } | |
573 | ||
eb90a483 | 574 | int SSL_add_client_CA(SSL *ssl,X509 *x) |
d02b48c6 RE |
575 | { |
576 | return(add_client_CA(&(ssl->client_CA),x)); | |
577 | } | |
578 | ||
eb90a483 | 579 | int SSL_CTX_add_client_CA(SSL_CTX *ctx,X509 *x) |
d02b48c6 RE |
580 | { |
581 | return(add_client_CA(&(ctx->client_CA),x)); | |
582 | } | |
583 | ||
ccd86b68 | 584 | static int xname_cmp(const X509_NAME * const *a, const X509_NAME * const *b) |
d02b48c6 RE |
585 | { |
586 | return(X509_NAME_cmp(*a,*b)); | |
587 | } | |
588 | ||
58964a49 | 589 | #ifndef NO_STDIO |
eb90a483 BL |
590 | /*! |
591 | * Load CA certs from a file into a ::STACK. Note that it is somewhat misnamed; | |
592 | * it doesn't really have anything to do with clients (except that a common use | |
593 | * for a stack of CAs is to send it to the client). Actually, it doesn't have | |
594 | * much to do with CAs, either, since it will load any old cert. | |
595 | * \param file the file containing one or more certs. | |
596 | * \return a ::STACK containing the certs. | |
597 | */ | |
f73e07cf | 598 | STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file) |
d02b48c6 RE |
599 | { |
600 | BIO *in; | |
601 | X509 *x=NULL; | |
602 | X509_NAME *xn=NULL; | |
f73e07cf | 603 | STACK_OF(X509_NAME) *ret,*sk; |
d02b48c6 | 604 | |
62324627 | 605 | ret=sk_X509_NAME_new_null(); |
bb7cd4e3 | 606 | sk=sk_X509_NAME_new(xname_cmp); |
58964a49 RE |
607 | |
608 | in=BIO_new(BIO_s_file_internal()); | |
609 | ||
d02b48c6 RE |
610 | if ((ret == NULL) || (sk == NULL) || (in == NULL)) |
611 | { | |
612 | SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE,ERR_R_MALLOC_FAILURE); | |
613 | goto err; | |
614 | } | |
615 | ||
616 | if (!BIO_read_filename(in,file)) | |
617 | goto err; | |
618 | ||
619 | for (;;) | |
620 | { | |
74678cc2 | 621 | if (PEM_read_bio_X509(in,&x,NULL,NULL) == NULL) |
d02b48c6 RE |
622 | break; |
623 | if ((xn=X509_get_subject_name(x)) == NULL) goto err; | |
624 | /* check for duplicates */ | |
625 | xn=X509_NAME_dup(xn); | |
626 | if (xn == NULL) goto err; | |
f73e07cf | 627 | if (sk_X509_NAME_find(sk,xn) >= 0) |
d02b48c6 RE |
628 | X509_NAME_free(xn); |
629 | else | |
630 | { | |
f73e07cf BL |
631 | sk_X509_NAME_push(sk,xn); |
632 | sk_X509_NAME_push(ret,xn); | |
d02b48c6 RE |
633 | } |
634 | } | |
635 | ||
636 | if (0) | |
637 | { | |
638 | err: | |
f73e07cf | 639 | if (ret != NULL) sk_X509_NAME_pop_free(ret,X509_NAME_free); |
d02b48c6 RE |
640 | ret=NULL; |
641 | } | |
f73e07cf | 642 | if (sk != NULL) sk_X509_NAME_free(sk); |
d02b48c6 RE |
643 | if (in != NULL) BIO_free(in); |
644 | if (x != NULL) X509_free(x); | |
645 | return(ret); | |
646 | } | |
58964a49 | 647 | #endif |
d02b48c6 | 648 | |
eb90a483 BL |
649 | /*! |
650 | * Add a file of certs to a stack. | |
651 | * \param stack the stack to add to. | |
652 | * \param file the file to add from. All certs in this file that are not | |
653 | * already in the stack will be added. | |
654 | * \return 1 for success, 0 for failure. Note that in the case of failure some | |
655 | * certs may have been added to \c stack. | |
656 | */ | |
657 | ||
661b361b BL |
658 | int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, |
659 | const char *file) | |
eb90a483 | 660 | { |
2ea09100 BM |
661 | BIO *in; |
662 | X509 *x=NULL; | |
663 | X509_NAME *xn=NULL; | |
664 | int ret=1; | |
ccd86b68 | 665 | int (*oldcmp)(const X509_NAME * const *a, const X509_NAME * const *b); |
eb90a483 | 666 | |
2ea09100 BM |
667 | oldcmp=sk_X509_NAME_set_cmp_func(stack,xname_cmp); |
668 | ||
669 | in=BIO_new(BIO_s_file_internal()); | |
670 | ||
671 | if (in == NULL) | |
672 | { | |
673 | SSLerr(SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK,ERR_R_MALLOC_FAILURE); | |
674 | goto err; | |
675 | } | |
676 | ||
677 | if (!BIO_read_filename(in,file)) | |
678 | goto err; | |
679 | ||
680 | for (;;) | |
681 | { | |
682 | if (PEM_read_bio_X509(in,&x,NULL,NULL) == NULL) | |
683 | break; | |
684 | if ((xn=X509_get_subject_name(x)) == NULL) goto err; | |
685 | xn=X509_NAME_dup(xn); | |
686 | if (xn == NULL) goto err; | |
687 | if (sk_X509_NAME_find(stack,xn) >= 0) | |
688 | X509_NAME_free(xn); | |
689 | else | |
690 | sk_X509_NAME_push(stack,xn); | |
691 | } | |
eb90a483 | 692 | |
2ea09100 BM |
693 | if (0) |
694 | { | |
eb90a483 | 695 | err: |
2ea09100 BM |
696 | ret=0; |
697 | } | |
698 | if(in != NULL) | |
699 | BIO_free(in); | |
700 | if(x != NULL) | |
701 | X509_free(x); | |
702 | ||
703 | sk_X509_NAME_set_cmp_func(stack,oldcmp); | |
eb90a483 | 704 | |
2ea09100 BM |
705 | return ret; |
706 | } | |
eb90a483 BL |
707 | |
708 | /*! | |
709 | * Add a directory of certs to a stack. | |
710 | * \param stack the stack to append to. | |
711 | * \param dir the directory to append from. All files in this directory will be | |
712 | * examined as potential certs. Any that are acceptable to | |
72e442a3 | 713 | * SSL_add_dir_cert_subjects_to_stack() that are not already in the stack will be |
eb90a483 BL |
714 | * included. |
715 | * \return 1 for success, 0 for failure. Note that in the case of failure some | |
716 | * certs may have been added to \c stack. | |
717 | */ | |
718 | ||
06c68491 | 719 | #ifndef WIN32 |
7d7d2cbc | 720 | #ifndef VMS /* XXXX This may be fixed in the future */ |
17f389bb | 721 | #ifndef MAC_OS_pre_X |
06c68491 | 722 | |
661b361b BL |
723 | int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, |
724 | const char *dir) | |
eb90a483 | 725 | { |
2ea09100 BM |
726 | DIR *d; |
727 | struct dirent *dstruct; | |
728 | int ret = 0; | |
eb90a483 | 729 | |
2ea09100 BM |
730 | CRYPTO_w_lock(CRYPTO_LOCK_READDIR); |
731 | d = opendir(dir); | |
eb90a483 | 732 | |
2ea09100 BM |
733 | /* Note that a side effect is that the CAs will be sorted by name */ |
734 | if(!d) | |
735 | { | |
736 | SYSerr(SYS_F_OPENDIR, get_last_sys_error()); | |
737 | ERR_add_error_data(3, "opendir('", dir, "')"); | |
738 | SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK, ERR_R_SYS_LIB); | |
739 | goto err; | |
740 | } | |
eb90a483 | 741 | |
2ea09100 BM |
742 | while((dstruct=readdir(d))) |
743 | { | |
744 | char buf[1024]; | |
745 | int r; | |
746 | ||
747 | if(strlen(dir)+strlen(dstruct->d_name)+2 > sizeof buf) | |
748 | { | |
749 | SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK,SSL_R_PATH_TOO_LONG); | |
750 | goto err; | |
751 | } | |
752 | ||
753 | r = BIO_snprintf(buf,sizeof buf,"%s/%s",dir,dstruct->d_name); | |
754 | if (r <= 0 || r >= sizeof buf) | |
755 | goto err; | |
756 | if(!SSL_add_file_cert_subjects_to_stack(stack,buf)) | |
757 | goto err; | |
758 | } | |
759 | ret = 1; | |
eb90a483 | 760 | |
2a82c7cf | 761 | err: |
2ea09100 BM |
762 | CRYPTO_w_unlock(CRYPTO_LOCK_READDIR); |
763 | return ret; | |
764 | } | |
06c68491 DSH |
765 | |
766 | #endif | |
7d7d2cbc | 767 | #endif |
17f389bb | 768 | #endif |