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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> | |
eb90a483 | 108 | #include <sys/types.h> |
1444ba8d | 109 | #if !defined(WIN32) && !defined(VSM) && !defined(NeXT) |
eb90a483 | 110 | #include <dirent.h> |
06c68491 | 111 | #endif |
1444ba8d UM |
112 | #ifdef NeXT |
113 | #include <sys/dir.h> | |
114 | #define dirent direct | |
7d7d2cbc | 115 | #endif |
ec577822 BM |
116 | #include <openssl/objects.h> |
117 | #include <openssl/bio.h> | |
118 | #include <openssl/pem.h> | |
d02b48c6 RE |
119 | #include "ssl_locl.h" |
120 | ||
6b691a5c | 121 | int SSL_get_ex_data_X509_STORE_CTX_idx(void) |
dfeab068 RE |
122 | { |
123 | static int ssl_x509_store_ctx_idx= -1; | |
124 | ||
125 | if (ssl_x509_store_ctx_idx < 0) | |
126 | { | |
127 | ssl_x509_store_ctx_idx=X509_STORE_CTX_get_ex_new_index( | |
651d0aff | 128 | 0,"SSL for verify callback",NULL,NULL,NULL); |
dfeab068 RE |
129 | } |
130 | return(ssl_x509_store_ctx_idx); | |
131 | } | |
132 | ||
6b691a5c | 133 | CERT *ssl_cert_new(void) |
d02b48c6 RE |
134 | { |
135 | CERT *ret; | |
136 | ||
137 | ret=(CERT *)Malloc(sizeof(CERT)); | |
138 | if (ret == NULL) | |
139 | { | |
140 | SSLerr(SSL_F_SSL_CERT_NEW,ERR_R_MALLOC_FAILURE); | |
141 | return(NULL); | |
142 | } | |
143 | memset(ret,0,sizeof(CERT)); | |
d02b48c6 RE |
144 | |
145 | ret->key= &(ret->pkeys[SSL_PKEY_RSA_ENC]); | |
146 | ret->references=1; | |
147 | ||
148 | return(ret); | |
149 | } | |
150 | ||
ca8e5b9b BM |
151 | CERT *ssl_cert_dup(CERT *cert) |
152 | { | |
153 | CERT *ret; | |
154 | int i; | |
155 | ||
156 | ret = (CERT *)Malloc(sizeof(CERT)); | |
157 | if (ret == NULL) | |
158 | { | |
159 | SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE); | |
160 | return(NULL); | |
161 | } | |
162 | ||
163 | memset(ret, 0, sizeof(CERT)); | |
164 | ||
ca8e5b9b BM |
165 | ret->key = &ret->pkeys[cert->key - &cert->pkeys[0]]; |
166 | /* or ret->key = ret->pkeys + (cert->key - cert->pkeys), | |
167 | * if you find that more readable */ | |
168 | ||
169 | ret->valid = cert->valid; | |
170 | ret->mask = cert->mask; | |
171 | ret->export_mask = cert->export_mask; | |
172 | ||
173 | #ifndef NO_RSA | |
174 | if (cert->rsa_tmp != NULL) | |
175 | { | |
176 | ret->rsa_tmp = cert->rsa_tmp; | |
177 | CRYPTO_add(&ret->rsa_tmp->references, 1, CRYPTO_LOCK_RSA); | |
178 | } | |
179 | ret->rsa_tmp_cb = cert->rsa_tmp_cb; | |
180 | #endif | |
181 | ||
182 | #ifndef NO_DH | |
183 | if (cert->dh_tmp != NULL) | |
184 | { | |
185 | /* DH parameters don't have a reference count (and cannot | |
186 | * reasonably be shared anyway, as the secret exponent may | |
187 | * be created just when it is needed -- earlier library | |
188 | * versions did not pay attention to this) */ | |
189 | ret->dh_tmp = DHparams_dup(cert->dh_tmp); | |
190 | if (ret->dh_tmp == NULL) | |
191 | { | |
192 | SSLerr(SSL_F_SSL_CERT_NEW, ERR_R_DH_LIB); | |
193 | goto err; | |
194 | } | |
195 | } | |
196 | ret->dh_tmp_cb = cert->dh_tmp_cb; | |
197 | #endif | |
198 | ||
199 | for (i = 0; i < SSL_PKEY_NUM; i++) | |
200 | { | |
201 | if (cert->pkeys[i].x509 != NULL) | |
202 | { | |
203 | ret->pkeys[i].x509 = cert->pkeys[i].x509; | |
204 | CRYPTO_add(&ret->pkeys[i].x509->references, 1, | |
205 | CRYPTO_LOCK_X509); | |
206 | } | |
207 | ||
208 | if (cert->pkeys[i].privatekey != NULL) | |
209 | { | |
210 | ret->pkeys[i].privatekey = cert->pkeys[i].privatekey; | |
211 | CRYPTO_add(&ret->pkeys[i].privatekey->references, 1, | |
212 | CRYPTO_LOCK_EVP_PKEY); | |
213 | ||
214 | switch(i) | |
215 | { | |
216 | /* If there was anything special to do for | |
217 | * certain types of keys, we'd do it here. | |
218 | * (Nothing at the moment, I think.) */ | |
219 | ||
220 | case SSL_PKEY_RSA_ENC: | |
221 | case SSL_PKEY_RSA_SIGN: | |
222 | /* We have an RSA key. */ | |
223 | break; | |
224 | ||
225 | case SSL_PKEY_DSA_SIGN: | |
226 | /* We have a DSA key. */ | |
227 | break; | |
228 | ||
229 | case SSL_PKEY_DH_RSA: | |
230 | case SSL_PKEY_DH_DSA: | |
231 | /* We have a DH key. */ | |
232 | break; | |
233 | ||
234 | default: | |
235 | /* Can't happen. */ | |
236 | SSLerr(SSL_F_SSL_CERT_DUP, SSL_R_LIBRARY_BUG); | |
237 | } | |
238 | } | |
239 | } | |
240 | ||
ca8e5b9b BM |
241 | /* ret->extra_certs *should* exist, but currently the own certificate |
242 | * chain is held inside SSL_CTX */ | |
243 | ||
244 | ret->references=1; | |
245 | ||
246 | return(ret); | |
247 | ||
248 | err: | |
249 | #ifndef NO_RSA | |
250 | if (ret->rsa_tmp != NULL) | |
251 | RSA_free(ret->rsa_tmp); | |
252 | #endif | |
253 | #ifndef NO_DH | |
254 | if (ret->dh_tmp != NULL) | |
255 | DH_free(ret->dh_tmp); | |
256 | #endif | |
257 | ||
258 | for (i = 0; i < SSL_PKEY_NUM; i++) | |
259 | { | |
260 | if (ret->pkeys[i].x509 != NULL) | |
261 | X509_free(ret->pkeys[i].x509); | |
262 | if (ret->pkeys[i].privatekey != NULL) | |
263 | EVP_PKEY_free(ret->pkeys[i].privatekey); | |
264 | } | |
265 | ||
266 | return NULL; | |
267 | } | |
268 | ||
269 | ||
eb90a483 | 270 | void ssl_cert_free(CERT *c) |
d02b48c6 RE |
271 | { |
272 | int i; | |
273 | ||
e03ddfae BL |
274 | if(c == NULL) |
275 | return; | |
276 | ||
d02b48c6 | 277 | i=CRYPTO_add(&c->references,-1,CRYPTO_LOCK_SSL_CERT); |
58964a49 RE |
278 | #ifdef REF_PRINT |
279 | REF_PRINT("CERT",c); | |
280 | #endif | |
d02b48c6 RE |
281 | if (i > 0) return; |
282 | #ifdef REF_CHECK | |
283 | if (i < 0) | |
284 | { | |
285 | fprintf(stderr,"ssl_cert_free, bad reference count\n"); | |
286 | abort(); /* ok */ | |
287 | } | |
288 | #endif | |
289 | ||
290 | #ifndef NO_RSA | |
291 | if (c->rsa_tmp) RSA_free(c->rsa_tmp); | |
292 | #endif | |
293 | #ifndef NO_DH | |
294 | if (c->dh_tmp) DH_free(c->dh_tmp); | |
295 | #endif | |
296 | ||
297 | for (i=0; i<SSL_PKEY_NUM; i++) | |
298 | { | |
299 | if (c->pkeys[i].x509 != NULL) | |
300 | X509_free(c->pkeys[i].x509); | |
301 | if (c->pkeys[i].privatekey != NULL) | |
302 | EVP_PKEY_free(c->pkeys[i].privatekey); | |
303 | #if 0 | |
304 | if (c->pkeys[i].publickey != NULL) | |
305 | EVP_PKEY_free(c->pkeys[i].publickey); | |
306 | #endif | |
307 | } | |
d02b48c6 RE |
308 | Free(c); |
309 | } | |
310 | ||
ca8e5b9b BM |
311 | int ssl_cert_inst(CERT **o) |
312 | { | |
313 | /* Create a CERT if there isn't already one | |
314 | * (which cannot really happen, as it is initially created in | |
315 | * SSL_CTX_new; but the earlier code usually allows for that one | |
316 | * being non-existant, so we follow that behaviour, as it might | |
1c3e0a19 BM |
317 | * turn out that there actually is a reason for it -- but I'm |
318 | * not sure that *all* of the existing code could cope with | |
319 | * s->cert being NULL, otherwise we could do without the | |
320 | * initialization in SSL_CTX_new). | |
321 | */ | |
322 | ||
ca8e5b9b BM |
323 | if (o == NULL) |
324 | { | |
325 | SSLerr(SSL_F_SSL_CERT_INST, ERR_R_PASSED_NULL_PARAMETER); | |
326 | return(0); | |
327 | } | |
328 | if (*o == NULL) | |
329 | { | |
330 | if ((*o = ssl_cert_new()) == NULL) | |
331 | { | |
332 | SSLerr(SSL_F_SSL_CERT_INST, ERR_R_MALLOC_FAILURE); | |
333 | return(0); | |
334 | } | |
335 | } | |
336 | return(1); | |
337 | } | |
338 | ||
b56bce4f BM |
339 | |
340 | SESS_CERT *ssl_sess_cert_new(void) | |
15d21c2d | 341 | { |
b56bce4f BM |
342 | SESS_CERT *ret; |
343 | ||
344 | ret = Malloc(sizeof *ret); | |
345 | if (ret == NULL) | |
15d21c2d | 346 | { |
b56bce4f BM |
347 | SSLerr(SSL_F_SSL_SESS_CERT_NEW, ERR_R_MALLOC_FAILURE); |
348 | return NULL; | |
15d21c2d | 349 | } |
b56bce4f BM |
350 | |
351 | memset(ret, 0 ,sizeof *ret); | |
352 | ret->peer_key = &(ret->peer_pkeys[SSL_PKEY_RSA_ENC]); | |
353 | ret->references = 1; | |
354 | ||
355 | return ret; | |
356 | } | |
357 | ||
358 | void ssl_sess_cert_free(SESS_CERT *sc) | |
359 | { | |
360 | int i; | |
361 | ||
362 | if (sc == NULL) | |
363 | return; | |
364 | ||
365 | i = CRYPTO_add(&sc->references, -1, CRYPTO_LOCK_SSL_SESS_CERT); | |
366 | #ifdef REF_PRINT | |
367 | REF_PRINT("SESS_CERT", sc); | |
368 | #endif | |
369 | if (i > 0) | |
370 | return; | |
371 | #ifdef REF_CHECK | |
372 | if (i < 0) | |
15d21c2d | 373 | { |
b56bce4f BM |
374 | fprintf(stderr,"ssl_sess_cert_free, bad reference count\n"); |
375 | abort(); /* ok */ | |
15d21c2d | 376 | } |
ca8e5b9b | 377 | #endif |
15d21c2d | 378 | |
b56bce4f BM |
379 | /* i == 0 */ |
380 | if (sc->cert_chain != NULL) | |
381 | sk_X509_pop_free(sc->cert_chain, X509_free); | |
382 | for (i = 0; i < SSL_PKEY_NUM; i++) | |
383 | { | |
384 | if (sc->peer_pkeys[i].x509 != NULL) | |
385 | X509_free(sc->peer_pkeys[i].x509); | |
386 | #if 0 /* We don't have the peer's private key. These lines are just | |
387 | * here as a reminder that we're still using a not-quite-appropriate | |
388 | * data structure. */ | |
389 | if (sc->peer_pkeys[i].privatekey != NULL) | |
390 | EVP_PKEY_free(sc->peer_pkeys[i].privatekey); | |
391 | #endif | |
392 | } | |
393 | ||
394 | #ifndef NO_RSA | |
395 | if (sc->peer_rsa_tmp != NULL) | |
396 | RSA_free(sc->peer_rsa_tmp); | |
397 | #endif | |
398 | #ifndef NO_DH | |
399 | if (sc->peer_dh_tmp != NULL) | |
400 | DH_free(sc->peer_dh_tmp); | |
401 | #endif | |
402 | ||
403 | Free(sc); | |
404 | } | |
405 | ||
406 | int ssl_set_peer_cert_type(SESS_CERT *sc,int type) | |
d02b48c6 | 407 | { |
b56bce4f | 408 | sc->peer_cert_type = type; |
d02b48c6 RE |
409 | return(1); |
410 | } | |
411 | ||
f73e07cf | 412 | int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk) |
d02b48c6 RE |
413 | { |
414 | X509 *x; | |
415 | int i; | |
416 | X509_STORE_CTX ctx; | |
417 | ||
f73e07cf | 418 | if ((sk == NULL) || (sk_X509_num(sk) == 0)) |
d02b48c6 RE |
419 | return(0); |
420 | ||
f73e07cf | 421 | x=sk_X509_value(sk,0); |
d02b48c6 | 422 | X509_STORE_CTX_init(&ctx,s->ctx->cert_store,x,sk); |
7f89714e BM |
423 | if (SSL_get_verify_depth(s) >= 0) |
424 | X509_STORE_CTX_set_depth(&ctx, SSL_get_verify_depth(s)); | |
dfeab068 RE |
425 | X509_STORE_CTX_set_ex_data(&ctx,SSL_get_ex_data_X509_STORE_CTX_idx(), |
426 | (char *)s); | |
d02b48c6 RE |
427 | |
428 | if (s->ctx->app_verify_callback != NULL) | |
429 | i=s->ctx->app_verify_callback(&ctx); | |
430 | else | |
dfeab068 RE |
431 | { |
432 | #ifndef NO_X509_VERIFY | |
d02b48c6 | 433 | i=X509_verify_cert(&ctx); |
dfeab068 RE |
434 | #else |
435 | i=0; | |
436 | ctx.error=X509_V_ERR_APPLICATION_VERIFICATION; | |
437 | SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN,SSL_R_NO_VERIFY_CALLBACK); | |
438 | #endif | |
439 | } | |
d02b48c6 | 440 | |
d02b48c6 | 441 | s->verify_result=ctx.error; |
dfeab068 | 442 | X509_STORE_CTX_cleanup(&ctx); |
d02b48c6 RE |
443 | |
444 | return(i); | |
445 | } | |
446 | ||
6b691a5c | 447 | static void set_client_CA_list(STACK_OF(X509_NAME) **ca_list,STACK_OF(X509_NAME) *list) |
d02b48c6 RE |
448 | { |
449 | if (*ca_list != NULL) | |
f73e07cf | 450 | sk_X509_NAME_pop_free(*ca_list,X509_NAME_free); |
d02b48c6 RE |
451 | |
452 | *ca_list=list; | |
453 | } | |
454 | ||
838d25a1 | 455 | STACK_OF(X509_NAME) *SSL_dup_CA_list(STACK_OF(X509_NAME) *sk) |
d02b48c6 RE |
456 | { |
457 | int i; | |
838d25a1 | 458 | STACK_OF(X509_NAME) *ret; |
d02b48c6 RE |
459 | X509_NAME *name; |
460 | ||
838d25a1 BL |
461 | ret=sk_X509_NAME_new_null(); |
462 | for (i=0; i<sk_X509_NAME_num(sk); i++) | |
d02b48c6 | 463 | { |
838d25a1 BL |
464 | name=X509_NAME_dup(sk_X509_NAME_value(sk,i)); |
465 | if ((name == NULL) || !sk_X509_NAME_push(ret,name)) | |
d02b48c6 | 466 | { |
838d25a1 | 467 | sk_X509_NAME_pop_free(ret,X509_NAME_free); |
d02b48c6 RE |
468 | return(NULL); |
469 | } | |
470 | } | |
471 | return(ret); | |
472 | } | |
473 | ||
f73e07cf | 474 | void SSL_set_client_CA_list(SSL *s,STACK_OF(X509_NAME) *list) |
d02b48c6 RE |
475 | { |
476 | set_client_CA_list(&(s->client_CA),list); | |
477 | } | |
478 | ||
f73e07cf | 479 | void SSL_CTX_set_client_CA_list(SSL_CTX *ctx,STACK_OF(X509_NAME) *list) |
d02b48c6 RE |
480 | { |
481 | set_client_CA_list(&(ctx->client_CA),list); | |
482 | } | |
483 | ||
f73e07cf | 484 | STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(SSL_CTX *ctx) |
d02b48c6 RE |
485 | { |
486 | return(ctx->client_CA); | |
487 | } | |
488 | ||
f73e07cf | 489 | STACK_OF(X509_NAME) *SSL_get_client_CA_list(SSL *s) |
d02b48c6 RE |
490 | { |
491 | if (s->type == SSL_ST_CONNECT) | |
492 | { /* we are in the client */ | |
58964a49 RE |
493 | if (((s->version>>8) == SSL3_VERSION_MAJOR) && |
494 | (s->s3 != NULL)) | |
d02b48c6 RE |
495 | return(s->s3->tmp.ca_names); |
496 | else | |
497 | return(NULL); | |
498 | } | |
499 | else | |
500 | { | |
501 | if (s->client_CA != NULL) | |
502 | return(s->client_CA); | |
503 | else | |
504 | return(s->ctx->client_CA); | |
505 | } | |
506 | } | |
507 | ||
f73e07cf | 508 | static int add_client_CA(STACK_OF(X509_NAME) **sk,X509 *x) |
d02b48c6 RE |
509 | { |
510 | X509_NAME *name; | |
511 | ||
512 | if (x == NULL) return(0); | |
f73e07cf | 513 | if ((*sk == NULL) && ((*sk=sk_X509_NAME_new_null()) == NULL)) |
d02b48c6 RE |
514 | return(0); |
515 | ||
516 | if ((name=X509_NAME_dup(X509_get_subject_name(x))) == NULL) | |
517 | return(0); | |
518 | ||
f73e07cf | 519 | if (!sk_X509_NAME_push(*sk,name)) |
d02b48c6 RE |
520 | { |
521 | X509_NAME_free(name); | |
522 | return(0); | |
523 | } | |
524 | return(1); | |
525 | } | |
526 | ||
eb90a483 | 527 | int SSL_add_client_CA(SSL *ssl,X509 *x) |
d02b48c6 RE |
528 | { |
529 | return(add_client_CA(&(ssl->client_CA),x)); | |
530 | } | |
531 | ||
eb90a483 | 532 | int SSL_CTX_add_client_CA(SSL_CTX *ctx,X509 *x) |
d02b48c6 RE |
533 | { |
534 | return(add_client_CA(&(ctx->client_CA),x)); | |
535 | } | |
536 | ||
eb90a483 | 537 | static int name_cmp(X509_NAME **a,X509_NAME **b) |
d02b48c6 RE |
538 | { |
539 | return(X509_NAME_cmp(*a,*b)); | |
540 | } | |
541 | ||
58964a49 | 542 | #ifndef NO_STDIO |
eb90a483 BL |
543 | /*! |
544 | * Load CA certs from a file into a ::STACK. Note that it is somewhat misnamed; | |
545 | * it doesn't really have anything to do with clients (except that a common use | |
546 | * for a stack of CAs is to send it to the client). Actually, it doesn't have | |
547 | * much to do with CAs, either, since it will load any old cert. | |
548 | * \param file the file containing one or more certs. | |
549 | * \return a ::STACK containing the certs. | |
550 | */ | |
f73e07cf | 551 | STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file) |
d02b48c6 RE |
552 | { |
553 | BIO *in; | |
554 | X509 *x=NULL; | |
555 | X509_NAME *xn=NULL; | |
f73e07cf | 556 | STACK_OF(X509_NAME) *ret,*sk; |
d02b48c6 | 557 | |
f73e07cf BL |
558 | ret=sk_X509_NAME_new(NULL); |
559 | sk=sk_X509_NAME_new(name_cmp); | |
58964a49 RE |
560 | |
561 | in=BIO_new(BIO_s_file_internal()); | |
562 | ||
d02b48c6 RE |
563 | if ((ret == NULL) || (sk == NULL) || (in == NULL)) |
564 | { | |
565 | SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE,ERR_R_MALLOC_FAILURE); | |
566 | goto err; | |
567 | } | |
568 | ||
569 | if (!BIO_read_filename(in,file)) | |
570 | goto err; | |
571 | ||
572 | for (;;) | |
573 | { | |
574 | if (PEM_read_bio_X509(in,&x,NULL) == NULL) | |
575 | break; | |
576 | if ((xn=X509_get_subject_name(x)) == NULL) goto err; | |
577 | /* check for duplicates */ | |
578 | xn=X509_NAME_dup(xn); | |
579 | if (xn == NULL) goto err; | |
f73e07cf | 580 | if (sk_X509_NAME_find(sk,xn) >= 0) |
d02b48c6 RE |
581 | X509_NAME_free(xn); |
582 | else | |
583 | { | |
f73e07cf BL |
584 | sk_X509_NAME_push(sk,xn); |
585 | sk_X509_NAME_push(ret,xn); | |
d02b48c6 RE |
586 | } |
587 | } | |
588 | ||
589 | if (0) | |
590 | { | |
591 | err: | |
f73e07cf | 592 | if (ret != NULL) sk_X509_NAME_pop_free(ret,X509_NAME_free); |
d02b48c6 RE |
593 | ret=NULL; |
594 | } | |
f73e07cf | 595 | if (sk != NULL) sk_X509_NAME_free(sk); |
d02b48c6 RE |
596 | if (in != NULL) BIO_free(in); |
597 | if (x != NULL) X509_free(x); | |
598 | return(ret); | |
599 | } | |
58964a49 | 600 | #endif |
d02b48c6 | 601 | |
eb90a483 BL |
602 | /*! |
603 | * Add a file of certs to a stack. | |
604 | * \param stack the stack to add to. | |
605 | * \param file the file to add from. All certs in this file that are not | |
606 | * already in the stack will be added. | |
607 | * \return 1 for success, 0 for failure. Note that in the case of failure some | |
608 | * certs may have been added to \c stack. | |
609 | */ | |
610 | ||
661b361b BL |
611 | int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, |
612 | const char *file) | |
eb90a483 BL |
613 | { |
614 | BIO *in; | |
615 | X509 *x=NULL; | |
616 | X509_NAME *xn=NULL; | |
617 | int ret=1; | |
a5ab0532 | 618 | int (*oldcmp)(X509_NAME **a, X509_NAME **b); |
eb90a483 | 619 | |
661b361b | 620 | oldcmp=sk_X509_NAME_set_cmp_func(stack,name_cmp); |
eb90a483 BL |
621 | |
622 | in=BIO_new(BIO_s_file_internal()); | |
623 | ||
06c68491 | 624 | if (in == NULL) |
eb90a483 | 625 | { |
a49034ab | 626 | SSLerr(SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK,ERR_R_MALLOC_FAILURE); |
eb90a483 BL |
627 | goto err; |
628 | } | |
629 | ||
630 | if (!BIO_read_filename(in,file)) | |
631 | goto err; | |
632 | ||
633 | for (;;) | |
634 | { | |
635 | if (PEM_read_bio_X509(in,&x,NULL) == NULL) | |
636 | break; | |
637 | if ((xn=X509_get_subject_name(x)) == NULL) goto err; | |
638 | xn=X509_NAME_dup(xn); | |
639 | if (xn == NULL) goto err; | |
661b361b | 640 | if (sk_X509_NAME_find(stack,xn) >= 0) |
eb90a483 BL |
641 | X509_NAME_free(xn); |
642 | else | |
661b361b | 643 | sk_X509_NAME_push(stack,xn); |
eb90a483 BL |
644 | } |
645 | ||
646 | if (0) | |
647 | { | |
648 | err: | |
649 | ret=0; | |
650 | } | |
651 | if(in != NULL) | |
652 | BIO_free(in); | |
653 | if(x != NULL) | |
654 | X509_free(x); | |
655 | ||
661b361b | 656 | sk_X509_NAME_set_cmp_func(stack,oldcmp); |
eb90a483 BL |
657 | |
658 | return ret; | |
659 | } | |
660 | ||
661 | /*! | |
662 | * Add a directory of certs to a stack. | |
663 | * \param stack the stack to append to. | |
664 | * \param dir the directory to append from. All files in this directory will be | |
665 | * examined as potential certs. Any that are acceptable to | |
72e442a3 | 666 | * SSL_add_dir_cert_subjects_to_stack() that are not already in the stack will be |
eb90a483 BL |
667 | * included. |
668 | * \return 1 for success, 0 for failure. Note that in the case of failure some | |
669 | * certs may have been added to \c stack. | |
670 | */ | |
671 | ||
06c68491 | 672 | #ifndef WIN32 |
7d7d2cbc | 673 | #ifndef VMS /* XXXX This may be fixed in the future */ |
06c68491 | 674 | |
661b361b BL |
675 | int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, |
676 | const char *dir) | |
eb90a483 | 677 | { |
2a82c7cf | 678 | DIR *d; |
eb90a483 | 679 | struct dirent *dstruct; |
2a82c7cf BM |
680 | int ret = 0; |
681 | ||
682 | CRYPTO_w_lock(CRYPTO_LOCK_READDIR); | |
683 | d = opendir(dir); | |
eb90a483 BL |
684 | |
685 | /* Note that a side effect is that the CAs will be sorted by name */ | |
686 | if(!d) | |
687 | { | |
a49034ab | 688 | SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK,ERR_R_MALLOC_FAILURE); |
2a82c7cf | 689 | goto err; |
eb90a483 BL |
690 | } |
691 | ||
692 | while((dstruct=readdir(d))) | |
693 | { | |
694 | char buf[1024]; | |
695 | ||
696 | if(strlen(dir)+strlen(dstruct->d_name)+2 > sizeof buf) | |
697 | { | |
a49034ab | 698 | SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK,SSL_R_PATH_TOO_LONG); |
2a82c7cf | 699 | goto err; |
eb90a483 BL |
700 | } |
701 | ||
702 | sprintf(buf,"%s/%s",dir,dstruct->d_name); | |
a49034ab | 703 | if(!SSL_add_file_cert_subjects_to_stack(stack,buf)) |
2a82c7cf | 704 | goto err; |
eb90a483 | 705 | } |
2a82c7cf | 706 | ret = 1; |
eb90a483 | 707 | |
2a82c7cf BM |
708 | err: |
709 | CRYPTO_w_unlock(CRYPTO_LOCK_READDIR); | |
710 | return ret; | |
eb90a483 | 711 | } |
06c68491 DSH |
712 | |
713 | #endif | |
7d7d2cbc | 714 | #endif |