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diff --git a/src/lib/libssl/ssl_cert.c b/src/lib/libssl/ssl_cert.c
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1/*! \file ssl/ssl_cert.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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 */
58/* ====================================================================
59 * Copyright (c) 1998-2007 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 *
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com). This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
109 *
110 */
111/* ====================================================================
112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113 * ECC cipher suite support in OpenSSL originally developed by
114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
115 */
116
117#include <stdio.h>
118
119#include "e_os.h"
120#ifndef NO_SYS_TYPES_H
121# include <sys/types.h>
122#endif
123
124#include "o_dir.h"
125#include <openssl/objects.h>
126#include <openssl/bio.h>
127#include <openssl/pem.h>
128#include <openssl/x509v3.h>
129#ifndef OPENSSL_NO_DH
130#include <openssl/dh.h>
131#endif
132#include <openssl/bn.h>
133#include "ssl_locl.h"
134
135int SSL_get_ex_data_X509_STORE_CTX_idx(void)
136 {
137 static volatile int ssl_x509_store_ctx_idx= -1;
138 int got_write_lock = 0;
139
140 CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
141
142 if (ssl_x509_store_ctx_idx < 0)
143 {
144 CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
145 CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
146 got_write_lock = 1;
147
148 if (ssl_x509_store_ctx_idx < 0)
149 {
150 ssl_x509_store_ctx_idx=X509_STORE_CTX_get_ex_new_index(
151 0,"SSL for verify callback",NULL,NULL,NULL);
152 }
153 }
154
155 if (got_write_lock)
156 CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
157 else
158 CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
159
160 return ssl_x509_store_ctx_idx;
161 }
162
163CERT *ssl_cert_new(void)
164 {
165 CERT *ret;
166
167 ret=(CERT *)OPENSSL_malloc(sizeof(CERT));
168 if (ret == NULL)
169 {
170 SSLerr(SSL_F_SSL_CERT_NEW,ERR_R_MALLOC_FAILURE);
171 return(NULL);
172 }
173 memset(ret,0,sizeof(CERT));
174
175 ret->key= &(ret->pkeys[SSL_PKEY_RSA_ENC]);
176 ret->references=1;
177
178 return(ret);
179 }
180
181CERT *ssl_cert_dup(CERT *cert)
182 {
183 CERT *ret;
184 int i;
185
186 ret = (CERT *)OPENSSL_malloc(sizeof(CERT));
187 if (ret == NULL)
188 {
189 SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE);
190 return(NULL);
191 }
192
193 memset(ret, 0, sizeof(CERT));
194
195 ret->key = &ret->pkeys[cert->key - &cert->pkeys[0]];
196 /* or ret->key = ret->pkeys + (cert->key - cert->pkeys),
197 * if you find that more readable */
198
199 ret->valid = cert->valid;
200 ret->mask_k = cert->mask_k;
201 ret->mask_a = cert->mask_a;
202 ret->export_mask_k = cert->export_mask_k;
203 ret->export_mask_a = cert->export_mask_a;
204
205#ifndef OPENSSL_NO_RSA
206 if (cert->rsa_tmp != NULL)
207 {
208 RSA_up_ref(cert->rsa_tmp);
209 ret->rsa_tmp = cert->rsa_tmp;
210 }
211 ret->rsa_tmp_cb = cert->rsa_tmp_cb;
212#endif
213
214#ifndef OPENSSL_NO_DH
215 if (cert->dh_tmp != NULL)
216 {
217 ret->dh_tmp = DHparams_dup(cert->dh_tmp);
218 if (ret->dh_tmp == NULL)
219 {
220 SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_DH_LIB);
221 goto err;
222 }
223 if (cert->dh_tmp->priv_key)
224 {
225 BIGNUM *b = BN_dup(cert->dh_tmp->priv_key);
226 if (!b)
227 {
228 SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB);
229 goto err;
230 }
231 ret->dh_tmp->priv_key = b;
232 }
233 if (cert->dh_tmp->pub_key)
234 {
235 BIGNUM *b = BN_dup(cert->dh_tmp->pub_key);
236 if (!b)
237 {
238 SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB);
239 goto err;
240 }
241 ret->dh_tmp->pub_key = b;
242 }
243 }
244 ret->dh_tmp_cb = cert->dh_tmp_cb;
245#endif
246
247#ifndef OPENSSL_NO_ECDH
248 if (cert->ecdh_tmp)
249 {
250 ret->ecdh_tmp = EC_KEY_dup(cert->ecdh_tmp);
251 if (ret->ecdh_tmp == NULL)
252 {
253 SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_EC_LIB);
254 goto err;
255 }
256 }
257 ret->ecdh_tmp_cb = cert->ecdh_tmp_cb;
258#endif
259
260 for (i = 0; i < SSL_PKEY_NUM; i++)
261 {
262 if (cert->pkeys[i].x509 != NULL)
263 {
264 ret->pkeys[i].x509 = cert->pkeys[i].x509;
265 CRYPTO_add(&ret->pkeys[i].x509->references, 1,
266 CRYPTO_LOCK_X509);
267 }
268
269 if (cert->pkeys[i].privatekey != NULL)
270 {
271 ret->pkeys[i].privatekey = cert->pkeys[i].privatekey;
272 CRYPTO_add(&ret->pkeys[i].privatekey->references, 1,
273 CRYPTO_LOCK_EVP_PKEY);
274
275 switch(i)
276 {
277 /* If there was anything special to do for
278 * certain types of keys, we'd do it here.
279 * (Nothing at the moment, I think.) */
280
281 case SSL_PKEY_RSA_ENC:
282 case SSL_PKEY_RSA_SIGN:
283 /* We have an RSA key. */
284 break;
285
286 case SSL_PKEY_DSA_SIGN:
287 /* We have a DSA key. */
288 break;
289
290 case SSL_PKEY_DH_RSA:
291 case SSL_PKEY_DH_DSA:
292 /* We have a DH key. */
293 break;
294
295 case SSL_PKEY_ECC:
296 /* We have an ECC key */
297 break;
298
299 default:
300 /* Can't happen. */
301 SSLerr(SSL_F_SSL_CERT_DUP, SSL_R_LIBRARY_BUG);
302 }
303 }
304 }
305
306 /* ret->extra_certs *should* exist, but currently the own certificate
307 * chain is held inside SSL_CTX */
308
309 ret->references=1;
310
311 return(ret);
312
313#if !defined(OPENSSL_NO_DH) || !defined(OPENSSL_NO_ECDH)
314err:
315#endif
316#ifndef OPENSSL_NO_RSA
317 if (ret->rsa_tmp != NULL)
318 RSA_free(ret->rsa_tmp);
319#endif
320#ifndef OPENSSL_NO_DH
321 if (ret->dh_tmp != NULL)
322 DH_free(ret->dh_tmp);
323#endif
324#ifndef OPENSSL_NO_ECDH
325 if (ret->ecdh_tmp != NULL)
326 EC_KEY_free(ret->ecdh_tmp);
327#endif
328
329 for (i = 0; i < SSL_PKEY_NUM; i++)
330 {
331 if (ret->pkeys[i].x509 != NULL)
332 X509_free(ret->pkeys[i].x509);
333 if (ret->pkeys[i].privatekey != NULL)
334 EVP_PKEY_free(ret->pkeys[i].privatekey);
335 }
336
337 return NULL;
338 }
339
340
341void ssl_cert_free(CERT *c)
342 {
343 int i;
344
345 if(c == NULL)
346 return;
347
348 i=CRYPTO_add(&c->references,-1,CRYPTO_LOCK_SSL_CERT);
349#ifdef REF_PRINT
350 REF_PRINT("CERT",c);
351#endif
352 if (i > 0) return;
353#ifdef REF_CHECK
354 if (i < 0)
355 {
356 fprintf(stderr,"ssl_cert_free, bad reference count\n");
357 abort(); /* ok */
358 }
359#endif
360
361#ifndef OPENSSL_NO_RSA
362 if (c->rsa_tmp) RSA_free(c->rsa_tmp);
363#endif
364#ifndef OPENSSL_NO_DH
365 if (c->dh_tmp) DH_free(c->dh_tmp);
366#endif
367#ifndef OPENSSL_NO_ECDH
368 if (c->ecdh_tmp) EC_KEY_free(c->ecdh_tmp);
369#endif
370
371 for (i=0; i<SSL_PKEY_NUM; i++)
372 {
373 if (c->pkeys[i].x509 != NULL)
374 X509_free(c->pkeys[i].x509);
375 if (c->pkeys[i].privatekey != NULL)
376 EVP_PKEY_free(c->pkeys[i].privatekey);
377#if 0
378 if (c->pkeys[i].publickey != NULL)
379 EVP_PKEY_free(c->pkeys[i].publickey);
380#endif
381 }
382 OPENSSL_free(c);
383 }
384
385int ssl_cert_inst(CERT **o)
386 {
387 /* Create a CERT if there isn't already one
388 * (which cannot really happen, as it is initially created in
389 * SSL_CTX_new; but the earlier code usually allows for that one
390 * being non-existant, so we follow that behaviour, as it might
391 * turn out that there actually is a reason for it -- but I'm
392 * not sure that *all* of the existing code could cope with
393 * s->cert being NULL, otherwise we could do without the
394 * initialization in SSL_CTX_new).
395 */
396
397 if (o == NULL)
398 {
399 SSLerr(SSL_F_SSL_CERT_INST, ERR_R_PASSED_NULL_PARAMETER);
400 return(0);
401 }
402 if (*o == NULL)
403 {
404 if ((*o = ssl_cert_new()) == NULL)
405 {
406 SSLerr(SSL_F_SSL_CERT_INST, ERR_R_MALLOC_FAILURE);
407 return(0);
408 }
409 }
410 return(1);
411 }
412
413
414SESS_CERT *ssl_sess_cert_new(void)
415 {
416 SESS_CERT *ret;
417
418 ret = OPENSSL_malloc(sizeof *ret);
419 if (ret == NULL)
420 {
421 SSLerr(SSL_F_SSL_SESS_CERT_NEW, ERR_R_MALLOC_FAILURE);
422 return NULL;
423 }
424
425 memset(ret, 0 ,sizeof *ret);
426 ret->peer_key = &(ret->peer_pkeys[SSL_PKEY_RSA_ENC]);
427 ret->references = 1;
428
429 return ret;
430 }
431
432void ssl_sess_cert_free(SESS_CERT *sc)
433 {
434 int i;
435
436 if (sc == NULL)
437 return;
438
439 i = CRYPTO_add(&sc->references, -1, CRYPTO_LOCK_SSL_SESS_CERT);
440#ifdef REF_PRINT
441 REF_PRINT("SESS_CERT", sc);
442#endif
443 if (i > 0)
444 return;
445#ifdef REF_CHECK
446 if (i < 0)
447 {
448 fprintf(stderr,"ssl_sess_cert_free, bad reference count\n");
449 abort(); /* ok */
450 }
451#endif
452
453 /* i == 0 */
454 if (sc->cert_chain != NULL)
455 sk_X509_pop_free(sc->cert_chain, X509_free);
456 for (i = 0; i < SSL_PKEY_NUM; i++)
457 {
458 if (sc->peer_pkeys[i].x509 != NULL)
459 X509_free(sc->peer_pkeys[i].x509);
460#if 0 /* We don't have the peer's private key. These lines are just
461 * here as a reminder that we're still using a not-quite-appropriate
462 * data structure. */
463 if (sc->peer_pkeys[i].privatekey != NULL)
464 EVP_PKEY_free(sc->peer_pkeys[i].privatekey);
465#endif
466 }
467
468#ifndef OPENSSL_NO_RSA
469 if (sc->peer_rsa_tmp != NULL)
470 RSA_free(sc->peer_rsa_tmp);
471#endif
472#ifndef OPENSSL_NO_DH
473 if (sc->peer_dh_tmp != NULL)
474 DH_free(sc->peer_dh_tmp);
475#endif
476#ifndef OPENSSL_NO_ECDH
477 if (sc->peer_ecdh_tmp != NULL)
478 EC_KEY_free(sc->peer_ecdh_tmp);
479#endif
480
481 OPENSSL_free(sc);
482 }
483
484int ssl_set_peer_cert_type(SESS_CERT *sc,int type)
485 {
486 sc->peer_cert_type = type;
487 return(1);
488 }
489
490int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk)
491 {
492 X509 *x;
493 int i;
494 X509_STORE_CTX ctx;
495
496 if ((sk == NULL) || (sk_X509_num(sk) == 0))
497 return(0);
498
499 x=sk_X509_value(sk,0);
500 if(!X509_STORE_CTX_init(&ctx,s->ctx->cert_store,x,sk))
501 {
502 SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN,ERR_R_X509_LIB);
503 return(0);
504 }
505#if 0
506 if (SSL_get_verify_depth(s) >= 0)
507 X509_STORE_CTX_set_depth(&ctx, SSL_get_verify_depth(s));
508#endif
509 X509_STORE_CTX_set_ex_data(&ctx,SSL_get_ex_data_X509_STORE_CTX_idx(),s);
510
511 /* We need to inherit the verify parameters. These can be determined by
512 * the context: if its a server it will verify SSL client certificates
513 * or vice versa.
514 */
515
516 X509_STORE_CTX_set_default(&ctx,
517 s->server ? "ssl_client" : "ssl_server");
518 /* Anything non-default in "param" should overwrite anything in the
519 * ctx.
520 */
521 X509_VERIFY_PARAM_set1(X509_STORE_CTX_get0_param(&ctx), s->param);
522
523 if (s->verify_callback)
524 X509_STORE_CTX_set_verify_cb(&ctx, s->verify_callback);
525
526 if (s->ctx->app_verify_callback != NULL)
527#if 1 /* new with OpenSSL 0.9.7 */
528 i=s->ctx->app_verify_callback(&ctx, s->ctx->app_verify_arg);
529#else
530 i=s->ctx->app_verify_callback(&ctx); /* should pass app_verify_arg */
531#endif
532 else
533 {
534#ifndef OPENSSL_NO_X509_VERIFY
535 i=X509_verify_cert(&ctx);
536#else
537 i=0;
538 ctx.error=X509_V_ERR_APPLICATION_VERIFICATION;
539 SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN,SSL_R_NO_VERIFY_CALLBACK);
540#endif
541 }
542
543 s->verify_result=ctx.error;
544 X509_STORE_CTX_cleanup(&ctx);
545
546 return(i);
547 }
548
549static void set_client_CA_list(STACK_OF(X509_NAME) **ca_list,STACK_OF(X509_NAME) *name_list)
550 {
551 if (*ca_list != NULL)
552 sk_X509_NAME_pop_free(*ca_list,X509_NAME_free);
553
554 *ca_list=name_list;
555 }
556
557STACK_OF(X509_NAME) *SSL_dup_CA_list(STACK_OF(X509_NAME) *sk)
558 {
559 int i;
560 STACK_OF(X509_NAME) *ret;
561 X509_NAME *name;
562
563 ret=sk_X509_NAME_new_null();
564 for (i=0; i<sk_X509_NAME_num(sk); i++)
565 {
566 name=X509_NAME_dup(sk_X509_NAME_value(sk,i));
567 if ((name == NULL) || !sk_X509_NAME_push(ret,name))
568 {
569 sk_X509_NAME_pop_free(ret,X509_NAME_free);
570 return(NULL);
571 }
572 }
573 return(ret);
574 }
575
576void SSL_set_client_CA_list(SSL *s,STACK_OF(X509_NAME) *name_list)
577 {
578 set_client_CA_list(&(s->client_CA),name_list);
579 }
580
581void SSL_CTX_set_client_CA_list(SSL_CTX *ctx,STACK_OF(X509_NAME) *name_list)
582 {
583 set_client_CA_list(&(ctx->client_CA),name_list);
584 }
585
586STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *ctx)
587 {
588 return(ctx->client_CA);
589 }
590
591STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s)
592 {
593 if (s->type == SSL_ST_CONNECT)
594 { /* we are in the client */
595 if (((s->version>>8) == SSL3_VERSION_MAJOR) &&
596 (s->s3 != NULL))
597 return(s->s3->tmp.ca_names);
598 else
599 return(NULL);
600 }
601 else
602 {
603 if (s->client_CA != NULL)
604 return(s->client_CA);
605 else
606 return(s->ctx->client_CA);
607 }
608 }
609
610static int add_client_CA(STACK_OF(X509_NAME) **sk,X509 *x)
611 {
612 X509_NAME *name;
613
614 if (x == NULL) return(0);
615 if ((*sk == NULL) && ((*sk=sk_X509_NAME_new_null()) == NULL))
616 return(0);
617
618 if ((name=X509_NAME_dup(X509_get_subject_name(x))) == NULL)
619 return(0);
620
621 if (!sk_X509_NAME_push(*sk,name))
622 {
623 X509_NAME_free(name);
624 return(0);
625 }
626 return(1);
627 }
628
629int SSL_add_client_CA(SSL *ssl,X509 *x)
630 {
631 return(add_client_CA(&(ssl->client_CA),x));
632 }
633
634int SSL_CTX_add_client_CA(SSL_CTX *ctx,X509 *x)
635 {
636 return(add_client_CA(&(ctx->client_CA),x));
637 }
638
639static int xname_cmp(const X509_NAME * const *a, const X509_NAME * const *b)
640 {
641 return(X509_NAME_cmp(*a,*b));
642 }
643
644#ifndef OPENSSL_NO_STDIO
645/*!
646 * Load CA certs from a file into a ::STACK. Note that it is somewhat misnamed;
647 * it doesn't really have anything to do with clients (except that a common use
648 * for a stack of CAs is to send it to the client). Actually, it doesn't have
649 * much to do with CAs, either, since it will load any old cert.
650 * \param file the file containing one or more certs.
651 * \return a ::STACK containing the certs.
652 */
653STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file)
654 {
655 BIO *in;
656 X509 *x=NULL;
657 X509_NAME *xn=NULL;
658 STACK_OF(X509_NAME) *ret = NULL,*sk;
659
660 sk=sk_X509_NAME_new(xname_cmp);
661
662 in=BIO_new(BIO_s_file_internal());
663
664 if ((sk == NULL) || (in == NULL))
665 {
666 SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE,ERR_R_MALLOC_FAILURE);
667 goto err;
668 }
669
670 if (!BIO_read_filename(in,file))
671 goto err;
672
673 for (;;)
674 {
675 if (PEM_read_bio_X509(in,&x,NULL,NULL) == NULL)
676 break;
677 if (ret == NULL)
678 {
679 ret = sk_X509_NAME_new_null();
680 if (ret == NULL)
681 {
682 SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE,ERR_R_MALLOC_FAILURE);
683 goto err;
684 }
685 }
686 if ((xn=X509_get_subject_name(x)) == NULL) goto err;
687 /* check for duplicates */
688 xn=X509_NAME_dup(xn);
689 if (xn == NULL) goto err;
690 if (sk_X509_NAME_find(sk,xn) >= 0)
691 X509_NAME_free(xn);
692 else
693 {
694 sk_X509_NAME_push(sk,xn);
695 sk_X509_NAME_push(ret,xn);
696 }
697 }
698
699 if (0)
700 {
701err:
702 if (ret != NULL) sk_X509_NAME_pop_free(ret,X509_NAME_free);
703 ret=NULL;
704 }
705 if (sk != NULL) sk_X509_NAME_free(sk);
706 if (in != NULL) BIO_free(in);
707 if (x != NULL) X509_free(x);
708 if (ret != NULL)
709 ERR_clear_error();
710 return(ret);
711 }
712#endif
713
714/*!
715 * Add a file of certs to a stack.
716 * \param stack the stack to add to.
717 * \param file the file to add from. All certs in this file that are not
718 * already in the stack will be added.
719 * \return 1 for success, 0 for failure. Note that in the case of failure some
720 * certs may have been added to \c stack.
721 */
722
723int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
724 const char *file)
725 {
726 BIO *in;
727 X509 *x=NULL;
728 X509_NAME *xn=NULL;
729 int ret=1;
730 int (*oldcmp)(const X509_NAME * const *a, const X509_NAME * const *b);
731
732 oldcmp=sk_X509_NAME_set_cmp_func(stack,xname_cmp);
733
734 in=BIO_new(BIO_s_file_internal());
735
736 if (in == NULL)
737 {
738 SSLerr(SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK,ERR_R_MALLOC_FAILURE);
739 goto err;
740 }
741
742 if (!BIO_read_filename(in,file))
743 goto err;
744
745 for (;;)
746 {
747 if (PEM_read_bio_X509(in,&x,NULL,NULL) == NULL)
748 break;
749 if ((xn=X509_get_subject_name(x)) == NULL) goto err;
750 xn=X509_NAME_dup(xn);
751 if (xn == NULL) goto err;
752 if (sk_X509_NAME_find(stack,xn) >= 0)
753 X509_NAME_free(xn);
754 else
755 sk_X509_NAME_push(stack,xn);
756 }
757
758 ERR_clear_error();
759
760 if (0)
761 {
762err:
763 ret=0;
764 }
765 if(in != NULL)
766 BIO_free(in);
767 if(x != NULL)
768 X509_free(x);
769
770 (void)sk_X509_NAME_set_cmp_func(stack,oldcmp);
771
772 return ret;
773 }
774
775/*!
776 * Add a directory of certs to a stack.
777 * \param stack the stack to append to.
778 * \param dir the directory to append from. All files in this directory will be
779 * examined as potential certs. Any that are acceptable to
780 * SSL_add_dir_cert_subjects_to_stack() that are not already in the stack will be
781 * included.
782 * \return 1 for success, 0 for failure. Note that in the case of failure some
783 * certs may have been added to \c stack.
784 */
785
786int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
787 const char *dir)
788 {
789 OPENSSL_DIR_CTX *d = NULL;
790 const char *filename;
791 int ret = 0;
792
793 CRYPTO_w_lock(CRYPTO_LOCK_READDIR);
794
795 /* Note that a side effect is that the CAs will be sorted by name */
796
797 while((filename = OPENSSL_DIR_read(&d, dir)))
798 {
799 char buf[1024];
800 int r;
801
802 if(strlen(dir)+strlen(filename)+2 > sizeof buf)
803 {
804 SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK,SSL_R_PATH_TOO_LONG);
805 goto err;
806 }
807
808#ifdef OPENSSL_SYS_VMS
809 r = BIO_snprintf(buf,sizeof buf,"%s%s",dir,filename);
810#else
811 r = BIO_snprintf(buf,sizeof buf,"%s/%s",dir,filename);
812#endif
813 if (r <= 0 || r >= (int)sizeof(buf))
814 goto err;
815 if(!SSL_add_file_cert_subjects_to_stack(stack,buf))
816 goto err;
817 }
818
819 if (errno)
820 {
821 SYSerr(SYS_F_OPENDIR, get_last_sys_error());
822 ERR_add_error_data(3, "OPENSSL_DIR_read(&ctx, '", dir, "')");
823 SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK, ERR_R_SYS_LIB);
824 goto err;
825 }
826
827 ret = 1;
828
829err:
830 if (d) OPENSSL_DIR_end(&d);
831 CRYPTO_w_unlock(CRYPTO_LOCK_READDIR);
832 return ret;
833 }
834
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-03-24 13:48:58 +0000