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-rw-r--r--src/lib/libssl/ssl_cert.c735
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diff --git a/src/lib/libssl/ssl_cert.c b/src/lib/libssl/ssl_cert.c
deleted file mode 100644
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--- a/src/lib/libssl/ssl_cert.c
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@@ -1,735 +0,0 @@
1/* $OpenBSD: ssl_cert.c,v 1.50 2015/04/06 04:09:59 guenther Exp $ */
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 <sys/types.h>
118
119#include <dirent.h>
120#include <stdio.h>
121#include <unistd.h>
122
123#include <openssl/bio.h>
124#include <openssl/bn.h>
125#include <openssl/dh.h>
126#include <openssl/objects.h>
127#include <openssl/opensslconf.h>
128#include <openssl/pem.h>
129#include <openssl/x509v3.h>
130
131#include "ssl_locl.h"
132
133int
134SSL_get_ex_data_X509_STORE_CTX_idx(void)
135{
136 static volatile int ssl_x509_store_ctx_idx = -1;
137 int got_write_lock = 0;
138
139 CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
140
141 if (ssl_x509_store_ctx_idx < 0) {
142 CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
143 CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
144 got_write_lock = 1;
145
146 if (ssl_x509_store_ctx_idx < 0) {
147 ssl_x509_store_ctx_idx =
148 X509_STORE_CTX_get_ex_new_index(
149 0, "SSL for verify callback", NULL, NULL, NULL);
150 }
151 }
152
153 if (got_write_lock)
154 CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
155 else
156 CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
157
158 return ssl_x509_store_ctx_idx;
159}
160
161static void
162ssl_cert_set_default_md(CERT *cert)
163{
164 /* Set digest values to defaults */
165 cert->pkeys[SSL_PKEY_DSA_SIGN].digest = EVP_sha1();
166 cert->pkeys[SSL_PKEY_RSA_SIGN].digest = EVP_sha1();
167 cert->pkeys[SSL_PKEY_RSA_ENC].digest = EVP_sha1();
168 cert->pkeys[SSL_PKEY_ECC].digest = EVP_sha1();
169#ifndef OPENSSL_NO_GOST
170 cert->pkeys[SSL_PKEY_GOST01].digest = EVP_gostr341194();
171#endif
172}
173
174CERT *
175ssl_cert_new(void)
176{
177 CERT *ret;
178
179 ret = calloc(1, sizeof(CERT));
180 if (ret == NULL) {
181 SSLerr(SSL_F_SSL_CERT_NEW, ERR_R_MALLOC_FAILURE);
182 return (NULL);
183 }
184 ret->key = &(ret->pkeys[SSL_PKEY_RSA_ENC]);
185 ret->references = 1;
186 ssl_cert_set_default_md(ret);
187 return (ret);
188}
189
190CERT *
191ssl_cert_dup(CERT *cert)
192{
193 CERT *ret;
194 int i;
195
196 ret = calloc(1, sizeof(CERT));
197 if (ret == NULL) {
198 SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE);
199 return (NULL);
200 }
201
202 /*
203 * same as ret->key = ret->pkeys + (cert->key - cert->pkeys),
204 * if you find that more readable
205 */
206 ret->key = &ret->pkeys[cert->key - &cert->pkeys[0]];
207
208 ret->valid = cert->valid;
209 ret->mask_k = cert->mask_k;
210 ret->mask_a = cert->mask_a;
211
212 if (cert->dh_tmp != NULL) {
213 ret->dh_tmp = DHparams_dup(cert->dh_tmp);
214 if (ret->dh_tmp == NULL) {
215 SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_DH_LIB);
216 goto err;
217 }
218 if (cert->dh_tmp->priv_key) {
219 BIGNUM *b = BN_dup(cert->dh_tmp->priv_key);
220 if (!b) {
221 SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB);
222 goto err;
223 }
224 ret->dh_tmp->priv_key = b;
225 }
226 if (cert->dh_tmp->pub_key) {
227 BIGNUM *b = BN_dup(cert->dh_tmp->pub_key);
228 if (!b) {
229 SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB);
230 goto err;
231 }
232 ret->dh_tmp->pub_key = b;
233 }
234 }
235 ret->dh_tmp_cb = cert->dh_tmp_cb;
236 ret->dh_tmp_auto = cert->dh_tmp_auto;
237
238 if (cert->ecdh_tmp) {
239 ret->ecdh_tmp = EC_KEY_dup(cert->ecdh_tmp);
240 if (ret->ecdh_tmp == NULL) {
241 SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_EC_LIB);
242 goto err;
243 }
244 }
245 ret->ecdh_tmp_cb = cert->ecdh_tmp_cb;
246 ret->ecdh_tmp_auto = cert->ecdh_tmp_auto;
247
248 for (i = 0; i < SSL_PKEY_NUM; i++) {
249 if (cert->pkeys[i].x509 != NULL) {
250 ret->pkeys[i].x509 = cert->pkeys[i].x509;
251 CRYPTO_add(&ret->pkeys[i].x509->references, 1,
252 CRYPTO_LOCK_X509);
253 }
254
255 if (cert->pkeys[i].privatekey != NULL) {
256 ret->pkeys[i].privatekey = cert->pkeys[i].privatekey;
257 CRYPTO_add(&ret->pkeys[i].privatekey->references, 1,
258 CRYPTO_LOCK_EVP_PKEY);
259
260 switch (i) {
261 /*
262 * If there was anything special to do for
263 * certain types of keys, we'd do it here.
264 * (Nothing at the moment, I think.)
265 */
266
267 case SSL_PKEY_RSA_ENC:
268 case SSL_PKEY_RSA_SIGN:
269 /* We have an RSA key. */
270 break;
271
272 case SSL_PKEY_DSA_SIGN:
273 /* We have a DSA key. */
274 break;
275
276 case SSL_PKEY_DH_RSA:
277 case SSL_PKEY_DH_DSA:
278 /* We have a DH key. */
279 break;
280
281 case SSL_PKEY_ECC:
282 /* We have an ECC key */
283 break;
284
285 default:
286 /* Can't happen. */
287 SSLerr(SSL_F_SSL_CERT_DUP, SSL_R_LIBRARY_BUG);
288 }
289 }
290 }
291
292 /*
293 * ret->extra_certs *should* exist, but currently the own certificate
294 * chain is held inside SSL_CTX
295 */
296
297 ret->references = 1;
298 /*
299 * Set digests to defaults. NB: we don't copy existing values
300 * as they will be set during handshake.
301 */
302 ssl_cert_set_default_md(ret);
303
304 return (ret);
305
306err:
307 DH_free(ret->dh_tmp);
308 EC_KEY_free(ret->ecdh_tmp);
309
310 for (i = 0; i < SSL_PKEY_NUM; i++) {
311 if (ret->pkeys[i].x509 != NULL)
312 X509_free(ret->pkeys[i].x509);
313 EVP_PKEY_free(ret->pkeys[i].privatekey);
314 }
315 free (ret);
316 return NULL;
317}
318
319
320void
321ssl_cert_free(CERT *c)
322{
323 int i;
324
325 if (c == NULL)
326 return;
327
328 i = CRYPTO_add(&c->references, -1, CRYPTO_LOCK_SSL_CERT);
329 if (i > 0)
330 return;
331
332 DH_free(c->dh_tmp);
333 EC_KEY_free(c->ecdh_tmp);
334
335 for (i = 0; i < SSL_PKEY_NUM; i++) {
336 if (c->pkeys[i].x509 != NULL)
337 X509_free(c->pkeys[i].x509);
338 EVP_PKEY_free(c->pkeys[i].privatekey);
339 }
340
341 free(c);
342}
343
344int
345ssl_cert_inst(CERT **o)
346{
347 /*
348 * Create a CERT if there isn't already one
349 * (which cannot really happen, as it is initially created in
350 * SSL_CTX_new; but the earlier code usually allows for that one
351 * being non-existant, so we follow that behaviour, as it might
352 * turn out that there actually is a reason for it -- but I'm
353 * not sure that *all* of the existing code could cope with
354 * s->cert being NULL, otherwise we could do without the
355 * initialization in SSL_CTX_new).
356 */
357
358 if (o == NULL) {
359 SSLerr(SSL_F_SSL_CERT_INST, ERR_R_PASSED_NULL_PARAMETER);
360 return (0);
361 }
362 if (*o == NULL) {
363 if ((*o = ssl_cert_new()) == NULL) {
364 SSLerr(SSL_F_SSL_CERT_INST, ERR_R_MALLOC_FAILURE);
365 return (0);
366 }
367 }
368 return (1);
369}
370
371
372SESS_CERT *
373ssl_sess_cert_new(void)
374{
375 SESS_CERT *ret;
376
377 ret = calloc(1, sizeof *ret);
378 if (ret == NULL) {
379 SSLerr(SSL_F_SSL_SESS_CERT_NEW, ERR_R_MALLOC_FAILURE);
380 return NULL;
381 }
382 ret->peer_key = &(ret->peer_pkeys[SSL_PKEY_RSA_ENC]);
383 ret->references = 1;
384
385 return ret;
386}
387
388void
389ssl_sess_cert_free(SESS_CERT *sc)
390{
391 int i;
392
393 if (sc == NULL)
394 return;
395
396 i = CRYPTO_add(&sc->references, -1, CRYPTO_LOCK_SSL_SESS_CERT);
397 if (i > 0)
398 return;
399
400 /* i == 0 */
401 if (sc->cert_chain != NULL)
402 sk_X509_pop_free(sc->cert_chain, X509_free);
403 for (i = 0; i < SSL_PKEY_NUM; i++) {
404 if (sc->peer_pkeys[i].x509 != NULL)
405 X509_free(sc->peer_pkeys[i].x509);
406 }
407
408 DH_free(sc->peer_dh_tmp);
409 EC_KEY_free(sc->peer_ecdh_tmp);
410
411 free(sc);
412}
413
414int
415ssl_set_peer_cert_type(SESS_CERT *sc, int type)
416{
417 sc->peer_cert_type = type;
418 return (1);
419}
420
421int
422ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk)
423{
424 X509_STORE_CTX ctx;
425 X509 *x;
426 int ret;
427
428 if ((sk == NULL) || (sk_X509_num(sk) == 0))
429 return (0);
430
431 x = sk_X509_value(sk, 0);
432 if (!X509_STORE_CTX_init(&ctx, s->ctx->cert_store, x, sk)) {
433 SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN, ERR_R_X509_LIB);
434 return (0);
435 }
436 X509_STORE_CTX_set_ex_data(&ctx,
437 SSL_get_ex_data_X509_STORE_CTX_idx(), s);
438
439 /*
440 * We need to inherit the verify parameters. These can be
441 * determined by the context: if its a server it will verify
442 * SSL client certificates or vice versa.
443 */
444 X509_STORE_CTX_set_default(&ctx,
445 s->server ? "ssl_client" : "ssl_server");
446
447 /*
448 * Anything non-default in "param" should overwrite anything
449 * in the ctx.
450 */
451 X509_VERIFY_PARAM_set1(X509_STORE_CTX_get0_param(&ctx), s->param);
452
453 if (s->verify_callback)
454 X509_STORE_CTX_set_verify_cb(&ctx, s->verify_callback);
455
456 if (s->ctx->app_verify_callback != NULL)
457 ret = s->ctx->app_verify_callback(&ctx, s->ctx->app_verify_arg);
458 else
459 ret = X509_verify_cert(&ctx);
460
461 s->verify_result = ctx.error;
462 X509_STORE_CTX_cleanup(&ctx);
463
464 return (ret);
465}
466
467static void
468set_client_CA_list(STACK_OF(X509_NAME) **ca_list,
469 STACK_OF(X509_NAME) *name_list)
470{
471 if (*ca_list != NULL)
472 sk_X509_NAME_pop_free(*ca_list, X509_NAME_free);
473
474 *ca_list = name_list;
475}
476
477STACK_OF(X509_NAME) *
478SSL_dup_CA_list(STACK_OF(X509_NAME) *sk)
479{
480 int i;
481 STACK_OF(X509_NAME) *ret;
482 X509_NAME *name;
483
484 ret = sk_X509_NAME_new_null();
485 for (i = 0; i < sk_X509_NAME_num(sk); i++) {
486 name = X509_NAME_dup(sk_X509_NAME_value(sk, i));
487 if ((name == NULL) || !sk_X509_NAME_push(ret, name)) {
488 sk_X509_NAME_pop_free(ret, X509_NAME_free);
489 return (NULL);
490 }
491 }
492 return (ret);
493}
494
495void
496SSL_set_client_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list)
497{
498 set_client_CA_list(&(s->client_CA), name_list);
499}
500
501void
502SSL_CTX_set_client_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list)
503{
504 set_client_CA_list(&(ctx->client_CA), name_list);
505}
506
507STACK_OF(X509_NAME) *
508SSL_CTX_get_client_CA_list(const SSL_CTX *ctx)
509{
510 return (ctx->client_CA);
511}
512
513STACK_OF(X509_NAME) *
514SSL_get_client_CA_list(const SSL *s)
515{
516 if (s->type == SSL_ST_CONNECT) {
517 /* We are in the client. */
518 if (((s->version >> 8) == SSL3_VERSION_MAJOR) &&
519 (s->s3 != NULL))
520 return (s->s3->tmp.ca_names);
521 else
522 return (NULL);
523 } else {
524 if (s->client_CA != NULL)
525 return (s->client_CA);
526 else
527 return (s->ctx->client_CA);
528 }
529}
530
531static int
532add_client_CA(STACK_OF(X509_NAME) **sk, X509 *x)
533{
534 X509_NAME *name;
535
536 if (x == NULL)
537 return (0);
538 if ((*sk == NULL) && ((*sk = sk_X509_NAME_new_null()) == NULL))
539 return (0);
540
541 if ((name = X509_NAME_dup(X509_get_subject_name(x))) == NULL)
542 return (0);
543
544 if (!sk_X509_NAME_push(*sk, name)) {
545 X509_NAME_free(name);
546 return (0);
547 }
548 return (1);
549}
550
551int
552SSL_add_client_CA(SSL *ssl, X509 *x)
553{
554 return (add_client_CA(&(ssl->client_CA), x));
555}
556
557int
558SSL_CTX_add_client_CA(SSL_CTX *ctx, X509 *x)
559{
560 return (add_client_CA(&(ctx->client_CA), x));
561}
562
563static int
564xname_cmp(const X509_NAME * const *a, const X509_NAME * const *b)
565{
566 return (X509_NAME_cmp(*a, *b));
567}
568
569/*!
570 * Load CA certs from a file into a ::STACK. Note that it is somewhat misnamed;
571 * it doesn't really have anything to do with clients (except that a common use
572 * for a stack of CAs is to send it to the client). Actually, it doesn't have
573 * much to do with CAs, either, since it will load any old cert.
574 * \param file the file containing one or more certs.
575 * \return a ::STACK containing the certs.
576 */
577STACK_OF(X509_NAME) *
578SSL_load_client_CA_file(const char *file)
579{
580 BIO *in;
581 X509 *x = NULL;
582 X509_NAME *xn = NULL;
583 STACK_OF(X509_NAME) *ret = NULL, *sk;
584
585 sk = sk_X509_NAME_new(xname_cmp);
586
587 in = BIO_new(BIO_s_file_internal());
588
589 if ((sk == NULL) || (in == NULL)) {
590 SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE, ERR_R_MALLOC_FAILURE);
591 goto err;
592 }
593
594 if (!BIO_read_filename(in, file))
595 goto err;
596
597 for (;;) {
598 if (PEM_read_bio_X509(in, &x, NULL, NULL) == NULL)
599 break;
600 if (ret == NULL) {
601 ret = sk_X509_NAME_new_null();
602 if (ret == NULL) {
603 SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE,
604 ERR_R_MALLOC_FAILURE);
605 goto err;
606 }
607 }
608 if ((xn = X509_get_subject_name(x)) == NULL) goto err;
609 /* check for duplicates */
610 xn = X509_NAME_dup(xn);
611 if (xn == NULL)
612 goto err;
613 if (sk_X509_NAME_find(sk, xn) >= 0)
614 X509_NAME_free(xn);
615 else {
616 sk_X509_NAME_push(sk, xn);
617 sk_X509_NAME_push(ret, xn);
618 }
619 }
620
621 if (0) {
622err:
623 if (ret != NULL)
624 sk_X509_NAME_pop_free(ret, X509_NAME_free);
625 ret = NULL;
626 }
627 if (sk != NULL)
628 sk_X509_NAME_free(sk);
629 BIO_free(in);
630 if (x != NULL)
631 X509_free(x);
632 if (ret != NULL)
633 ERR_clear_error();
634 return (ret);
635}
636
637/*!
638 * Add a file of certs to a stack.
639 * \param stack the stack to add to.
640 * \param file the file to add from. All certs in this file that are not
641 * already in the stack will be added.
642 * \return 1 for success, 0 for failure. Note that in the case of failure some
643 * certs may have been added to \c stack.
644 */
645
646int
647SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
648 const char *file)
649{
650 BIO *in;
651 X509 *x = NULL;
652 X509_NAME *xn = NULL;
653 int ret = 1;
654 int (*oldcmp)(const X509_NAME * const *a, const X509_NAME * const *b);
655
656 oldcmp = sk_X509_NAME_set_cmp_func(stack, xname_cmp);
657
658 in = BIO_new(BIO_s_file_internal());
659
660 if (in == NULL) {
661 SSLerr(SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK,
662 ERR_R_MALLOC_FAILURE);
663 goto err;
664 }
665
666 if (!BIO_read_filename(in, file))
667 goto err;
668
669 for (;;) {
670 if (PEM_read_bio_X509(in, &x, NULL, NULL) == NULL)
671 break;
672 if ((xn = X509_get_subject_name(x)) == NULL) goto err;
673 xn = X509_NAME_dup(xn);
674 if (xn == NULL)
675 goto err;
676 if (sk_X509_NAME_find(stack, xn) >= 0)
677 X509_NAME_free(xn);
678 else
679 sk_X509_NAME_push(stack, xn);
680 }
681
682 ERR_clear_error();
683
684 if (0) {
685err:
686 ret = 0;
687 }
688 BIO_free(in);
689 if (x != NULL)
690 X509_free(x);
691
692 (void)sk_X509_NAME_set_cmp_func(stack, oldcmp);
693
694 return ret;
695}
696
697/*!
698 * Add a directory of certs to a stack.
699 * \param stack the stack to append to.
700 * \param dir the directory to append from. All files in this directory will be
701 * examined as potential certs. Any that are acceptable to
702 * SSL_add_dir_cert_subjects_to_stack() that are not already in the stack will
703 * be included.
704 * \return 1 for success, 0 for failure. Note that in the case of failure some
705 * certs may have been added to \c stack.
706 */
707
708int
709SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, const char *dir)
710{
711 DIR *dirp = NULL;
712 char *path = NULL;
713 int ret = 0;
714
715 dirp = opendir(dir);
716 if (dirp) {
717 struct dirent *dp;
718 while ((dp = readdir(dirp)) != NULL) {
719 if (asprintf(&path, "%s/%s", dir, dp->d_name) != -1) {
720 ret = SSL_add_file_cert_subjects_to_stack(
721 stack, path);
722 free(path);
723 }
724 if (!ret)
725 break;
726 }
727 (void) closedir(dirp);
728 }
729 if (!ret) {
730 SYSerr(SYS_F_OPENDIR, errno);
731 ERR_asprintf_error_data("opendir ('%s')", dir);
732 SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK, ERR_R_SYS_LIB);
733 }
734 return ret;
735}
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-11-23 08:09:58 +0000