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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 RE |
131 | { |
132 | static int ssl_x509_store_ctx_idx= -1; | |
133 | ||
134 | if (ssl_x509_store_ctx_idx < 0) | |
135 | { | |
136 | ssl_x509_store_ctx_idx=X509_STORE_CTX_get_ex_new_index( | |
651d0aff | 137 | 0,"SSL for verify callback",NULL,NULL,NULL); |
dfeab068 RE |
138 | } |
139 | return(ssl_x509_store_ctx_idx); | |
140 | } | |
141 | ||
6b691a5c | 142 | CERT *ssl_cert_new(void) |
d02b48c6 RE |
143 | { |
144 | CERT *ret; | |
145 | ||
146 | ret=(CERT *)Malloc(sizeof(CERT)); | |
147 | if (ret == NULL) | |
148 | { | |
149 | SSLerr(SSL_F_SSL_CERT_NEW,ERR_R_MALLOC_FAILURE); | |
150 | return(NULL); | |
151 | } | |
152 | memset(ret,0,sizeof(CERT)); | |
d02b48c6 RE |
153 | |
154 | ret->key= &(ret->pkeys[SSL_PKEY_RSA_ENC]); | |
155 | ret->references=1; | |
156 | ||
157 | return(ret); | |
158 | } | |
159 | ||
ca8e5b9b BM |
160 | CERT *ssl_cert_dup(CERT *cert) |
161 | { | |
162 | CERT *ret; | |
163 | int i; | |
164 | ||
165 | ret = (CERT *)Malloc(sizeof(CERT)); | |
166 | if (ret == NULL) | |
167 | { | |
168 | SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE); | |
169 | return(NULL); | |
170 | } | |
171 | ||
172 | memset(ret, 0, sizeof(CERT)); | |
173 | ||
ca8e5b9b BM |
174 | ret->key = &ret->pkeys[cert->key - &cert->pkeys[0]]; |
175 | /* or ret->key = ret->pkeys + (cert->key - cert->pkeys), | |
176 | * if you find that more readable */ | |
177 | ||
178 | ret->valid = cert->valid; | |
179 | ret->mask = cert->mask; | |
180 | ret->export_mask = cert->export_mask; | |
181 | ||
182 | #ifndef NO_RSA | |
183 | if (cert->rsa_tmp != NULL) | |
184 | { | |
185 | ret->rsa_tmp = cert->rsa_tmp; | |
186 | CRYPTO_add(&ret->rsa_tmp->references, 1, CRYPTO_LOCK_RSA); | |
187 | } | |
188 | ret->rsa_tmp_cb = cert->rsa_tmp_cb; | |
189 | #endif | |
190 | ||
191 | #ifndef NO_DH | |
192 | if (cert->dh_tmp != NULL) | |
193 | { | |
194 | /* DH parameters don't have a reference count (and cannot | |
195 | * reasonably be shared anyway, as the secret exponent may | |
196 | * be created just when it is needed -- earlier library | |
197 | * versions did not pay attention to this) */ | |
198 | ret->dh_tmp = DHparams_dup(cert->dh_tmp); | |
199 | if (ret->dh_tmp == NULL) | |
200 | { | |
201 | SSLerr(SSL_F_SSL_CERT_NEW, ERR_R_DH_LIB); | |
202 | goto err; | |
203 | } | |
204 | } | |
205 | ret->dh_tmp_cb = cert->dh_tmp_cb; | |
206 | #endif | |
207 | ||
208 | for (i = 0; i < SSL_PKEY_NUM; i++) | |
209 | { | |
210 | if (cert->pkeys[i].x509 != NULL) | |
211 | { | |
212 | ret->pkeys[i].x509 = cert->pkeys[i].x509; | |
213 | CRYPTO_add(&ret->pkeys[i].x509->references, 1, | |
214 | CRYPTO_LOCK_X509); | |
215 | } | |
216 | ||
217 | if (cert->pkeys[i].privatekey != NULL) | |
218 | { | |
219 | ret->pkeys[i].privatekey = cert->pkeys[i].privatekey; | |
220 | CRYPTO_add(&ret->pkeys[i].privatekey->references, 1, | |
221 | CRYPTO_LOCK_EVP_PKEY); | |
222 | ||
223 | switch(i) | |
224 | { | |
225 | /* If there was anything special to do for | |
226 | * certain types of keys, we'd do it here. | |
227 | * (Nothing at the moment, I think.) */ | |
228 | ||
229 | case SSL_PKEY_RSA_ENC: | |
230 | case SSL_PKEY_RSA_SIGN: | |
231 | /* We have an RSA key. */ | |
232 | break; | |
233 | ||
234 | case SSL_PKEY_DSA_SIGN: | |
235 | /* We have a DSA key. */ | |
236 | break; | |
237 | ||
238 | case SSL_PKEY_DH_RSA: | |
239 | case SSL_PKEY_DH_DSA: | |
240 | /* We have a DH key. */ | |
241 | break; | |
242 | ||
243 | default: | |
244 | /* Can't happen. */ | |
245 | SSLerr(SSL_F_SSL_CERT_DUP, SSL_R_LIBRARY_BUG); | |
246 | } | |
247 | } | |
248 | } | |
249 | ||
ca8e5b9b BM |
250 | /* ret->extra_certs *should* exist, but currently the own certificate |
251 | * chain is held inside SSL_CTX */ | |
252 | ||
253 | ret->references=1; | |
254 | ||
255 | return(ret); | |
256 | ||
257 | err: | |
258 | #ifndef NO_RSA | |
259 | if (ret->rsa_tmp != NULL) | |
260 | RSA_free(ret->rsa_tmp); | |
261 | #endif | |
262 | #ifndef NO_DH | |
263 | if (ret->dh_tmp != NULL) | |
264 | DH_free(ret->dh_tmp); | |
265 | #endif | |
266 | ||
267 | for (i = 0; i < SSL_PKEY_NUM; i++) | |
268 | { | |
269 | if (ret->pkeys[i].x509 != NULL) | |
270 | X509_free(ret->pkeys[i].x509); | |
271 | if (ret->pkeys[i].privatekey != NULL) | |
272 | EVP_PKEY_free(ret->pkeys[i].privatekey); | |
273 | } | |
274 | ||
275 | return NULL; | |
276 | } | |
277 | ||
278 | ||
eb90a483 | 279 | void ssl_cert_free(CERT *c) |
d02b48c6 RE |
280 | { |
281 | int i; | |
282 | ||
e03ddfae BL |
283 | if(c == NULL) |
284 | return; | |
285 | ||
d02b48c6 | 286 | i=CRYPTO_add(&c->references,-1,CRYPTO_LOCK_SSL_CERT); |
58964a49 RE |
287 | #ifdef REF_PRINT |
288 | REF_PRINT("CERT",c); | |
289 | #endif | |
d02b48c6 RE |
290 | if (i > 0) return; |
291 | #ifdef REF_CHECK | |
292 | if (i < 0) | |
293 | { | |
294 | fprintf(stderr,"ssl_cert_free, bad reference count\n"); | |
295 | abort(); /* ok */ | |
296 | } | |
297 | #endif | |
298 | ||
299 | #ifndef NO_RSA | |
300 | if (c->rsa_tmp) RSA_free(c->rsa_tmp); | |
301 | #endif | |
302 | #ifndef NO_DH | |
303 | if (c->dh_tmp) DH_free(c->dh_tmp); | |
304 | #endif | |
305 | ||
306 | for (i=0; i<SSL_PKEY_NUM; i++) | |
307 | { | |
308 | if (c->pkeys[i].x509 != NULL) | |
309 | X509_free(c->pkeys[i].x509); | |
310 | if (c->pkeys[i].privatekey != NULL) | |
311 | EVP_PKEY_free(c->pkeys[i].privatekey); | |
312 | #if 0 | |
313 | if (c->pkeys[i].publickey != NULL) | |
314 | EVP_PKEY_free(c->pkeys[i].publickey); | |
315 | #endif | |
316 | } | |
d02b48c6 RE |
317 | Free(c); |
318 | } | |
319 | ||
ca8e5b9b BM |
320 | int ssl_cert_inst(CERT **o) |
321 | { | |
322 | /* Create a CERT if there isn't already one | |
323 | * (which cannot really happen, as it is initially created in | |
324 | * SSL_CTX_new; but the earlier code usually allows for that one | |
325 | * being non-existant, so we follow that behaviour, as it might | |
1c3e0a19 BM |
326 | * turn out that there actually is a reason for it -- but I'm |
327 | * not sure that *all* of the existing code could cope with | |
328 | * s->cert being NULL, otherwise we could do without the | |
329 | * initialization in SSL_CTX_new). | |
330 | */ | |
331 | ||
ca8e5b9b BM |
332 | if (o == NULL) |
333 | { | |
334 | SSLerr(SSL_F_SSL_CERT_INST, ERR_R_PASSED_NULL_PARAMETER); | |
335 | return(0); | |
336 | } | |
337 | if (*o == NULL) | |
338 | { | |
339 | if ((*o = ssl_cert_new()) == NULL) | |
340 | { | |
341 | SSLerr(SSL_F_SSL_CERT_INST, ERR_R_MALLOC_FAILURE); | |
342 | return(0); | |
343 | } | |
344 | } | |
345 | return(1); | |
346 | } | |
347 | ||
b56bce4f BM |
348 | |
349 | SESS_CERT *ssl_sess_cert_new(void) | |
15d21c2d | 350 | { |
b56bce4f BM |
351 | SESS_CERT *ret; |
352 | ||
353 | ret = Malloc(sizeof *ret); | |
354 | if (ret == NULL) | |
15d21c2d | 355 | { |
b56bce4f BM |
356 | SSLerr(SSL_F_SSL_SESS_CERT_NEW, ERR_R_MALLOC_FAILURE); |
357 | return NULL; | |
15d21c2d | 358 | } |
b56bce4f BM |
359 | |
360 | memset(ret, 0 ,sizeof *ret); | |
361 | ret->peer_key = &(ret->peer_pkeys[SSL_PKEY_RSA_ENC]); | |
362 | ret->references = 1; | |
363 | ||
364 | return ret; | |
365 | } | |
366 | ||
367 | void ssl_sess_cert_free(SESS_CERT *sc) | |
368 | { | |
369 | int i; | |
370 | ||
371 | if (sc == NULL) | |
372 | return; | |
373 | ||
374 | i = CRYPTO_add(&sc->references, -1, CRYPTO_LOCK_SSL_SESS_CERT); | |
375 | #ifdef REF_PRINT | |
376 | REF_PRINT("SESS_CERT", sc); | |
377 | #endif | |
378 | if (i > 0) | |
379 | return; | |
380 | #ifdef REF_CHECK | |
381 | if (i < 0) | |
15d21c2d | 382 | { |
b56bce4f BM |
383 | fprintf(stderr,"ssl_sess_cert_free, bad reference count\n"); |
384 | abort(); /* ok */ | |
15d21c2d | 385 | } |
ca8e5b9b | 386 | #endif |
15d21c2d | 387 | |
b56bce4f BM |
388 | /* i == 0 */ |
389 | if (sc->cert_chain != NULL) | |
390 | sk_X509_pop_free(sc->cert_chain, X509_free); | |
391 | for (i = 0; i < SSL_PKEY_NUM; i++) | |
392 | { | |
393 | if (sc->peer_pkeys[i].x509 != NULL) | |
394 | X509_free(sc->peer_pkeys[i].x509); | |
395 | #if 0 /* We don't have the peer's private key. These lines are just | |
396 | * here as a reminder that we're still using a not-quite-appropriate | |
397 | * data structure. */ | |
398 | if (sc->peer_pkeys[i].privatekey != NULL) | |
399 | EVP_PKEY_free(sc->peer_pkeys[i].privatekey); | |
400 | #endif | |
401 | } | |
402 | ||
403 | #ifndef NO_RSA | |
404 | if (sc->peer_rsa_tmp != NULL) | |
405 | RSA_free(sc->peer_rsa_tmp); | |
406 | #endif | |
407 | #ifndef NO_DH | |
408 | if (sc->peer_dh_tmp != NULL) | |
409 | DH_free(sc->peer_dh_tmp); | |
410 | #endif | |
411 | ||
412 | Free(sc); | |
413 | } | |
414 | ||
415 | int ssl_set_peer_cert_type(SESS_CERT *sc,int type) | |
d02b48c6 | 416 | { |
b56bce4f | 417 | sc->peer_cert_type = type; |
d02b48c6 RE |
418 | return(1); |
419 | } | |
420 | ||
f73e07cf | 421 | int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk) |
d02b48c6 RE |
422 | { |
423 | X509 *x; | |
424 | int i; | |
425 | X509_STORE_CTX ctx; | |
426 | ||
f73e07cf | 427 | if ((sk == NULL) || (sk_X509_num(sk) == 0)) |
d02b48c6 RE |
428 | return(0); |
429 | ||
f73e07cf | 430 | x=sk_X509_value(sk,0); |
d02b48c6 | 431 | X509_STORE_CTX_init(&ctx,s->ctx->cert_store,x,sk); |
7f89714e BM |
432 | if (SSL_get_verify_depth(s) >= 0) |
433 | X509_STORE_CTX_set_depth(&ctx, SSL_get_verify_depth(s)); | |
dd9d233e | 434 | X509_STORE_CTX_set_ex_data(&ctx,SSL_get_ex_data_X509_STORE_CTX_idx(),s); |
bb7cd4e3 DSH |
435 | /* We need to set the verify purpose. The purpose can be determined by |
436 | * the context: if its a server it will verify SSL client certificates | |
437 | * or vice versa. | |
438 | */ | |
439 | ||
440 | if(s->server) i = X509_PURPOSE_SSL_CLIENT; | |
441 | else i = X509_PURPOSE_SSL_SERVER; | |
442 | ||
443 | X509_STORE_CTX_purpose_inherit(&ctx, i, s->purpose, s->trust); | |
d02b48c6 RE |
444 | |
445 | if (s->ctx->app_verify_callback != NULL) | |
204cf1ab | 446 | i=s->ctx->app_verify_callback(&ctx); /* should pass app_verify_arg */ |
d02b48c6 | 447 | else |
dfeab068 RE |
448 | { |
449 | #ifndef NO_X509_VERIFY | |
d02b48c6 | 450 | i=X509_verify_cert(&ctx); |
dfeab068 RE |
451 | #else |
452 | i=0; | |
453 | ctx.error=X509_V_ERR_APPLICATION_VERIFICATION; | |
454 | SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN,SSL_R_NO_VERIFY_CALLBACK); | |
455 | #endif | |
456 | } | |
d02b48c6 | 457 | |
d02b48c6 | 458 | s->verify_result=ctx.error; |
dfeab068 | 459 | X509_STORE_CTX_cleanup(&ctx); |
d02b48c6 RE |
460 | |
461 | return(i); | |
462 | } | |
463 | ||
6b691a5c | 464 | static void set_client_CA_list(STACK_OF(X509_NAME) **ca_list,STACK_OF(X509_NAME) *list) |
d02b48c6 RE |
465 | { |
466 | if (*ca_list != NULL) | |
f73e07cf | 467 | sk_X509_NAME_pop_free(*ca_list,X509_NAME_free); |
d02b48c6 RE |
468 | |
469 | *ca_list=list; | |
470 | } | |
471 | ||
838d25a1 | 472 | STACK_OF(X509_NAME) *SSL_dup_CA_list(STACK_OF(X509_NAME) *sk) |
d02b48c6 RE |
473 | { |
474 | int i; | |
838d25a1 | 475 | STACK_OF(X509_NAME) *ret; |
d02b48c6 RE |
476 | X509_NAME *name; |
477 | ||
838d25a1 BL |
478 | ret=sk_X509_NAME_new_null(); |
479 | for (i=0; i<sk_X509_NAME_num(sk); i++) | |
d02b48c6 | 480 | { |
838d25a1 BL |
481 | name=X509_NAME_dup(sk_X509_NAME_value(sk,i)); |
482 | if ((name == NULL) || !sk_X509_NAME_push(ret,name)) | |
d02b48c6 | 483 | { |
838d25a1 | 484 | sk_X509_NAME_pop_free(ret,X509_NAME_free); |
d02b48c6 RE |
485 | return(NULL); |
486 | } | |
487 | } | |
488 | return(ret); | |
489 | } | |
490 | ||
f73e07cf | 491 | void SSL_set_client_CA_list(SSL *s,STACK_OF(X509_NAME) *list) |
d02b48c6 RE |
492 | { |
493 | set_client_CA_list(&(s->client_CA),list); | |
494 | } | |
495 | ||
f73e07cf | 496 | void SSL_CTX_set_client_CA_list(SSL_CTX *ctx,STACK_OF(X509_NAME) *list) |
d02b48c6 RE |
497 | { |
498 | set_client_CA_list(&(ctx->client_CA),list); | |
499 | } | |
500 | ||
f73e07cf | 501 | STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(SSL_CTX *ctx) |
d02b48c6 RE |
502 | { |
503 | return(ctx->client_CA); | |
504 | } | |
505 | ||
f73e07cf | 506 | STACK_OF(X509_NAME) *SSL_get_client_CA_list(SSL *s) |
d02b48c6 RE |
507 | { |
508 | if (s->type == SSL_ST_CONNECT) | |
509 | { /* we are in the client */ | |
58964a49 RE |
510 | if (((s->version>>8) == SSL3_VERSION_MAJOR) && |
511 | (s->s3 != NULL)) | |
d02b48c6 RE |
512 | return(s->s3->tmp.ca_names); |
513 | else | |
514 | return(NULL); | |
515 | } | |
516 | else | |
517 | { | |
518 | if (s->client_CA != NULL) | |
519 | return(s->client_CA); | |
520 | else | |
521 | return(s->ctx->client_CA); | |
522 | } | |
523 | } | |
524 | ||
f73e07cf | 525 | static int add_client_CA(STACK_OF(X509_NAME) **sk,X509 *x) |
d02b48c6 RE |
526 | { |
527 | X509_NAME *name; | |
528 | ||
529 | if (x == NULL) return(0); | |
f73e07cf | 530 | if ((*sk == NULL) && ((*sk=sk_X509_NAME_new_null()) == NULL)) |
d02b48c6 RE |
531 | return(0); |
532 | ||
533 | if ((name=X509_NAME_dup(X509_get_subject_name(x))) == NULL) | |
534 | return(0); | |
535 | ||
f73e07cf | 536 | if (!sk_X509_NAME_push(*sk,name)) |
d02b48c6 RE |
537 | { |
538 | X509_NAME_free(name); | |
539 | return(0); | |
540 | } | |
541 | return(1); | |
542 | } | |
543 | ||
eb90a483 | 544 | int SSL_add_client_CA(SSL *ssl,X509 *x) |
d02b48c6 RE |
545 | { |
546 | return(add_client_CA(&(ssl->client_CA),x)); | |
547 | } | |
548 | ||
eb90a483 | 549 | int SSL_CTX_add_client_CA(SSL_CTX *ctx,X509 *x) |
d02b48c6 RE |
550 | { |
551 | return(add_client_CA(&(ctx->client_CA),x)); | |
552 | } | |
553 | ||
bb7cd4e3 | 554 | static int xname_cmp(X509_NAME **a,X509_NAME **b) |
d02b48c6 RE |
555 | { |
556 | return(X509_NAME_cmp(*a,*b)); | |
557 | } | |
558 | ||
58964a49 | 559 | #ifndef NO_STDIO |
eb90a483 BL |
560 | /*! |
561 | * Load CA certs from a file into a ::STACK. Note that it is somewhat misnamed; | |
562 | * it doesn't really have anything to do with clients (except that a common use | |
563 | * for a stack of CAs is to send it to the client). Actually, it doesn't have | |
564 | * much to do with CAs, either, since it will load any old cert. | |
565 | * \param file the file containing one or more certs. | |
566 | * \return a ::STACK containing the certs. | |
567 | */ | |
f73e07cf | 568 | STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file) |
d02b48c6 RE |
569 | { |
570 | BIO *in; | |
571 | X509 *x=NULL; | |
572 | X509_NAME *xn=NULL; | |
f73e07cf | 573 | STACK_OF(X509_NAME) *ret,*sk; |
d02b48c6 | 574 | |
f73e07cf | 575 | ret=sk_X509_NAME_new(NULL); |
bb7cd4e3 | 576 | sk=sk_X509_NAME_new(xname_cmp); |
58964a49 RE |
577 | |
578 | in=BIO_new(BIO_s_file_internal()); | |
579 | ||
d02b48c6 RE |
580 | if ((ret == NULL) || (sk == NULL) || (in == NULL)) |
581 | { | |
582 | SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE,ERR_R_MALLOC_FAILURE); | |
583 | goto err; | |
584 | } | |
585 | ||
586 | if (!BIO_read_filename(in,file)) | |
587 | goto err; | |
588 | ||
589 | for (;;) | |
590 | { | |
74678cc2 | 591 | if (PEM_read_bio_X509(in,&x,NULL,NULL) == NULL) |
d02b48c6 RE |
592 | break; |
593 | if ((xn=X509_get_subject_name(x)) == NULL) goto err; | |
594 | /* check for duplicates */ | |
595 | xn=X509_NAME_dup(xn); | |
596 | if (xn == NULL) goto err; | |
f73e07cf | 597 | if (sk_X509_NAME_find(sk,xn) >= 0) |
d02b48c6 RE |
598 | X509_NAME_free(xn); |
599 | else | |
600 | { | |
f73e07cf BL |
601 | sk_X509_NAME_push(sk,xn); |
602 | sk_X509_NAME_push(ret,xn); | |
d02b48c6 RE |
603 | } |
604 | } | |
605 | ||
606 | if (0) | |
607 | { | |
608 | err: | |
f73e07cf | 609 | if (ret != NULL) sk_X509_NAME_pop_free(ret,X509_NAME_free); |
d02b48c6 RE |
610 | ret=NULL; |
611 | } | |
f73e07cf | 612 | if (sk != NULL) sk_X509_NAME_free(sk); |
d02b48c6 RE |
613 | if (in != NULL) BIO_free(in); |
614 | if (x != NULL) X509_free(x); | |
615 | return(ret); | |
616 | } | |
58964a49 | 617 | #endif |
d02b48c6 | 618 | |
eb90a483 BL |
619 | /*! |
620 | * Add a file of certs to a stack. | |
621 | * \param stack the stack to add to. | |
622 | * \param file the file to add from. All certs in this file that are not | |
623 | * already in the stack will be added. | |
624 | * \return 1 for success, 0 for failure. Note that in the case of failure some | |
625 | * certs may have been added to \c stack. | |
626 | */ | |
627 | ||
661b361b BL |
628 | int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, |
629 | const char *file) | |
eb90a483 BL |
630 | { |
631 | BIO *in; | |
632 | X509 *x=NULL; | |
633 | X509_NAME *xn=NULL; | |
634 | int ret=1; | |
a5ab0532 | 635 | int (*oldcmp)(X509_NAME **a, X509_NAME **b); |
eb90a483 | 636 | |
bb7cd4e3 | 637 | oldcmp=sk_X509_NAME_set_cmp_func(stack,xname_cmp); |
eb90a483 BL |
638 | |
639 | in=BIO_new(BIO_s_file_internal()); | |
640 | ||
06c68491 | 641 | if (in == NULL) |
eb90a483 | 642 | { |
a49034ab | 643 | SSLerr(SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK,ERR_R_MALLOC_FAILURE); |
eb90a483 BL |
644 | goto err; |
645 | } | |
646 | ||
647 | if (!BIO_read_filename(in,file)) | |
648 | goto err; | |
649 | ||
650 | for (;;) | |
651 | { | |
74678cc2 | 652 | if (PEM_read_bio_X509(in,&x,NULL,NULL) == NULL) |
eb90a483 BL |
653 | break; |
654 | if ((xn=X509_get_subject_name(x)) == NULL) goto err; | |
655 | xn=X509_NAME_dup(xn); | |
656 | if (xn == NULL) goto err; | |
661b361b | 657 | if (sk_X509_NAME_find(stack,xn) >= 0) |
eb90a483 BL |
658 | X509_NAME_free(xn); |
659 | else | |
661b361b | 660 | sk_X509_NAME_push(stack,xn); |
eb90a483 BL |
661 | } |
662 | ||
663 | if (0) | |
664 | { | |
665 | err: | |
666 | ret=0; | |
667 | } | |
668 | if(in != NULL) | |
669 | BIO_free(in); | |
670 | if(x != NULL) | |
671 | X509_free(x); | |
672 | ||
661b361b | 673 | sk_X509_NAME_set_cmp_func(stack,oldcmp); |
eb90a483 BL |
674 | |
675 | return ret; | |
676 | } | |
677 | ||
678 | /*! | |
679 | * Add a directory of certs to a stack. | |
680 | * \param stack the stack to append to. | |
681 | * \param dir the directory to append from. All files in this directory will be | |
682 | * examined as potential certs. Any that are acceptable to | |
72e442a3 | 683 | * SSL_add_dir_cert_subjects_to_stack() that are not already in the stack will be |
eb90a483 BL |
684 | * included. |
685 | * \return 1 for success, 0 for failure. Note that in the case of failure some | |
686 | * certs may have been added to \c stack. | |
687 | */ | |
688 | ||
06c68491 | 689 | #ifndef WIN32 |
7d7d2cbc | 690 | #ifndef VMS /* XXXX This may be fixed in the future */ |
17f389bb | 691 | #ifndef MAC_OS_pre_X |
06c68491 | 692 | |
661b361b BL |
693 | int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, |
694 | const char *dir) | |
eb90a483 | 695 | { |
2a82c7cf | 696 | DIR *d; |
eb90a483 | 697 | struct dirent *dstruct; |
2a82c7cf BM |
698 | int ret = 0; |
699 | ||
700 | CRYPTO_w_lock(CRYPTO_LOCK_READDIR); | |
701 | d = opendir(dir); | |
eb90a483 BL |
702 | |
703 | /* Note that a side effect is that the CAs will be sorted by name */ | |
704 | if(!d) | |
705 | { | |
a40f6dce BM |
706 | SYSerr(SYS_F_OPENDIR, get_last_sys_error()); |
707 | ERR_add_error_data(3, "opendir('", dir, "')"); | |
708 | SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK, ERR_R_SYS_LIB); | |
2a82c7cf | 709 | goto err; |
eb90a483 BL |
710 | } |
711 | ||
712 | while((dstruct=readdir(d))) | |
713 | { | |
714 | char buf[1024]; | |
715 | ||
716 | if(strlen(dir)+strlen(dstruct->d_name)+2 > sizeof buf) | |
717 | { | |
a49034ab | 718 | SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK,SSL_R_PATH_TOO_LONG); |
2a82c7cf | 719 | goto err; |
eb90a483 BL |
720 | } |
721 | ||
722 | sprintf(buf,"%s/%s",dir,dstruct->d_name); | |
a49034ab | 723 | if(!SSL_add_file_cert_subjects_to_stack(stack,buf)) |
2a82c7cf | 724 | goto err; |
eb90a483 | 725 | } |
2a82c7cf | 726 | ret = 1; |
eb90a483 | 727 | |
2a82c7cf BM |
728 | err: |
729 | CRYPTO_w_unlock(CRYPTO_LOCK_READDIR); | |
730 | return ret; | |
eb90a483 | 731 | } |
06c68491 DSH |
732 | |
733 | #endif | |
7d7d2cbc | 734 | #endif |
17f389bb | 735 | #endif |