1 /*! \file ssl/ssl_cert.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
58 /* ====================================================================
59 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
87 * 6. Redistributions of any form whatsoever must retain the following
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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 * ====================================================================
110 #ifndef NO_SYS_TYPES_H
111 # include <sys/types.h>
114 #if !defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_SYS_VMS) && !defined(NeXT) && !defined(MAC_OS_pre_X)
125 #define dirent direct
128 #include <openssl/objects.h>
129 #include <openssl/bio.h>
130 #include <openssl/pem.h>
131 #include <openssl/x509v3.h>
132 #include "ssl_locl.h"
133 #include <openssl/fips.h>
135 int SSL_get_ex_data_X509_STORE_CTX_idx(void)
137 static volatile int ssl_x509_store_ctx_idx= -1;
139 if (ssl_x509_store_ctx_idx < 0)
141 /* any write lock will do; usually this branch
142 * will only be taken once anyway */
143 CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
145 if (ssl_x509_store_ctx_idx < 0)
147 ssl_x509_store_ctx_idx=X509_STORE_CTX_get_ex_new_index(
148 0,"SSL for verify callback",NULL,NULL,NULL);
151 CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
153 return ssl_x509_store_ctx_idx;
156 CERT *ssl_cert_new(void)
160 ret=(CERT *)OPENSSL_malloc(sizeof(CERT));
163 SSLerr(SSL_F_SSL_CERT_NEW,ERR_R_MALLOC_FAILURE);
166 memset(ret,0,sizeof(CERT));
168 ret->key= &(ret->pkeys[SSL_PKEY_RSA_ENC]);
174 CERT *ssl_cert_dup(CERT *cert)
179 ret = (CERT *)OPENSSL_malloc(sizeof(CERT));
182 SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE);
186 memset(ret, 0, sizeof(CERT));
188 ret->key = &ret->pkeys[cert->key - &cert->pkeys[0]];
189 /* or ret->key = ret->pkeys + (cert->key - cert->pkeys),
190 * if you find that more readable */
192 ret->valid = cert->valid;
193 ret->mask = cert->mask;
194 ret->export_mask = cert->export_mask;
196 #ifndef OPENSSL_NO_RSA
197 if (cert->rsa_tmp != NULL)
199 RSA_up_ref(cert->rsa_tmp);
200 ret->rsa_tmp = cert->rsa_tmp;
202 ret->rsa_tmp_cb = cert->rsa_tmp_cb;
205 #ifndef OPENSSL_NO_DH
206 if (cert->dh_tmp != NULL)
208 /* DH parameters don't have a reference count */
209 ret->dh_tmp = DHparams_dup(cert->dh_tmp);
210 if (ret->dh_tmp == NULL)
212 SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_DH_LIB);
215 if (cert->dh_tmp->priv_key)
217 BIGNUM *b = BN_dup(cert->dh_tmp->priv_key);
220 SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB);
223 ret->dh_tmp->priv_key = b;
225 if (cert->dh_tmp->pub_key)
227 BIGNUM *b = BN_dup(cert->dh_tmp->pub_key);
230 SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB);
233 ret->dh_tmp->pub_key = b;
236 ret->dh_tmp_cb = cert->dh_tmp_cb;
239 for (i = 0; i < SSL_PKEY_NUM; i++)
241 if (cert->pkeys[i].x509 != NULL)
243 ret->pkeys[i].x509 = cert->pkeys[i].x509;
244 CRYPTO_add(&ret->pkeys[i].x509->references, 1,
248 if (cert->pkeys[i].privatekey != NULL)
250 ret->pkeys[i].privatekey = cert->pkeys[i].privatekey;
251 CRYPTO_add(&ret->pkeys[i].privatekey->references, 1,
252 CRYPTO_LOCK_EVP_PKEY);
256 /* If there was anything special to do for
257 * certain types of keys, we'd do it here.
258 * (Nothing at the moment, I think.) */
260 case SSL_PKEY_RSA_ENC:
261 case SSL_PKEY_RSA_SIGN:
262 /* We have an RSA key. */
265 case SSL_PKEY_DSA_SIGN:
266 /* We have a DSA key. */
269 case SSL_PKEY_DH_RSA:
270 case SSL_PKEY_DH_DSA:
271 /* We have a DH key. */
276 SSLerr(SSL_F_SSL_CERT_DUP, SSL_R_LIBRARY_BUG);
281 /* ret->extra_certs *should* exist, but currently the own certificate
282 * chain is held inside SSL_CTX */
288 #ifndef OPENSSL_NO_DH /* avoid 'unreferenced label' warning if OPENSSL_NO_DH is defined */
291 #ifndef OPENSSL_NO_RSA
292 if (ret->rsa_tmp != NULL)
293 RSA_free(ret->rsa_tmp);
295 #ifndef OPENSSL_NO_DH
296 if (ret->dh_tmp != NULL)
297 DH_free(ret->dh_tmp);
300 for (i = 0; i < SSL_PKEY_NUM; i++)
302 if (ret->pkeys[i].x509 != NULL)
303 X509_free(ret->pkeys[i].x509);
304 if (ret->pkeys[i].privatekey != NULL)
305 EVP_PKEY_free(ret->pkeys[i].privatekey);
312 void ssl_cert_free(CERT *c)
319 i=CRYPTO_add(&c->references,-1,CRYPTO_LOCK_SSL_CERT);
327 fprintf(stderr,"ssl_cert_free, bad reference count\n");
332 #ifndef OPENSSL_NO_RSA
333 if (c->rsa_tmp) RSA_free(c->rsa_tmp);
335 #ifndef OPENSSL_NO_DH
336 if (c->dh_tmp) DH_free(c->dh_tmp);
339 for (i=0; i<SSL_PKEY_NUM; i++)
341 if (c->pkeys[i].x509 != NULL)
342 X509_free(c->pkeys[i].x509);
343 if (c->pkeys[i].privatekey != NULL)
344 EVP_PKEY_free(c->pkeys[i].privatekey);
346 if (c->pkeys[i].publickey != NULL)
347 EVP_PKEY_free(c->pkeys[i].publickey);
353 int ssl_cert_inst(CERT **o)
355 /* Create a CERT if there isn't already one
356 * (which cannot really happen, as it is initially created in
357 * SSL_CTX_new; but the earlier code usually allows for that one
358 * being non-existant, so we follow that behaviour, as it might
359 * turn out that there actually is a reason for it -- but I'm
360 * not sure that *all* of the existing code could cope with
361 * s->cert being NULL, otherwise we could do without the
362 * initialization in SSL_CTX_new).
367 SSLerr(SSL_F_SSL_CERT_INST, ERR_R_PASSED_NULL_PARAMETER);
372 if ((*o = ssl_cert_new()) == NULL)
374 SSLerr(SSL_F_SSL_CERT_INST, ERR_R_MALLOC_FAILURE);
382 SESS_CERT *ssl_sess_cert_new(void)
386 ret = OPENSSL_malloc(sizeof *ret);
389 SSLerr(SSL_F_SSL_SESS_CERT_NEW, ERR_R_MALLOC_FAILURE);
393 memset(ret, 0 ,sizeof *ret);
394 ret->peer_key = &(ret->peer_pkeys[SSL_PKEY_RSA_ENC]);
400 void ssl_sess_cert_free(SESS_CERT *sc)
407 i = CRYPTO_add(&sc->references, -1, CRYPTO_LOCK_SSL_SESS_CERT);
409 REF_PRINT("SESS_CERT", sc);
416 fprintf(stderr,"ssl_sess_cert_free, bad reference count\n");
422 if (sc->cert_chain != NULL)
423 sk_X509_pop_free(sc->cert_chain, X509_free);
424 for (i = 0; i < SSL_PKEY_NUM; i++)
426 if (sc->peer_pkeys[i].x509 != NULL)
427 X509_free(sc->peer_pkeys[i].x509);
428 #if 0 /* We don't have the peer's private key. These lines are just
429 * here as a reminder that we're still using a not-quite-appropriate
431 if (sc->peer_pkeys[i].privatekey != NULL)
432 EVP_PKEY_free(sc->peer_pkeys[i].privatekey);
436 #ifndef OPENSSL_NO_RSA
437 if (sc->peer_rsa_tmp != NULL)
438 RSA_free(sc->peer_rsa_tmp);
440 #ifndef OPENSSL_NO_DH
441 if (sc->peer_dh_tmp != NULL)
442 DH_free(sc->peer_dh_tmp);
448 int ssl_set_peer_cert_type(SESS_CERT *sc,int type)
450 sc->peer_cert_type = type;
454 int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk)
460 if ((sk == NULL) || (sk_X509_num(sk) == 0))
463 x=sk_X509_value(sk,0);
464 if(!X509_STORE_CTX_init(&ctx,s->ctx->cert_store,x,sk))
466 SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN,ERR_R_X509_LIB);
469 if (SSL_get_verify_depth(s) >= 0)
470 X509_STORE_CTX_set_depth(&ctx, SSL_get_verify_depth(s));
471 X509_STORE_CTX_set_ex_data(&ctx,SSL_get_ex_data_X509_STORE_CTX_idx(),s);
473 /* We need to set the verify purpose. The purpose can be determined by
474 * the context: if its a server it will verify SSL client certificates
478 i = X509_PURPOSE_SSL_CLIENT;
480 i = X509_PURPOSE_SSL_SERVER;
482 X509_STORE_CTX_purpose_inherit(&ctx, i, s->purpose, s->trust);
484 if (s->verify_callback)
485 X509_STORE_CTX_set_verify_cb(&ctx, s->verify_callback);
487 if (s->ctx->app_verify_callback != NULL)
488 #if 1 /* new with OpenSSL 0.9.7 */
489 i=s->ctx->app_verify_callback(&ctx, s->ctx->app_verify_arg);
491 i=s->ctx->app_verify_callback(&ctx); /* should pass app_verify_arg */
495 #ifndef OPENSSL_NO_X509_VERIFY
496 i=X509_verify_cert(&ctx);
499 ctx.error=X509_V_ERR_APPLICATION_VERIFICATION;
500 SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN,SSL_R_NO_VERIFY_CALLBACK);
504 s->verify_result=ctx.error;
505 X509_STORE_CTX_cleanup(&ctx);
510 static void set_client_CA_list(STACK_OF(X509_NAME) **ca_list,STACK_OF(X509_NAME) *name_list)
512 if (*ca_list != NULL)
513 sk_X509_NAME_pop_free(*ca_list,X509_NAME_free);
518 STACK_OF(X509_NAME) *SSL_dup_CA_list(STACK_OF(X509_NAME) *sk)
521 STACK_OF(X509_NAME) *ret;
524 ret=sk_X509_NAME_new_null();
525 for (i=0; i<sk_X509_NAME_num(sk); i++)
527 name=X509_NAME_dup(sk_X509_NAME_value(sk,i));
528 if ((name == NULL) || !sk_X509_NAME_push(ret,name))
530 sk_X509_NAME_pop_free(ret,X509_NAME_free);
537 void SSL_set_client_CA_list(SSL *s,STACK_OF(X509_NAME) *name_list)
539 set_client_CA_list(&(s->client_CA),name_list);
542 void SSL_CTX_set_client_CA_list(SSL_CTX *ctx,STACK_OF(X509_NAME) *name_list)
544 set_client_CA_list(&(ctx->client_CA),name_list);
547 STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(SSL_CTX *ctx)
549 return(ctx->client_CA);
552 STACK_OF(X509_NAME) *SSL_get_client_CA_list(SSL *s)
554 if (s->type == SSL_ST_CONNECT)
555 { /* we are in the client */
556 if (((s->version>>8) == SSL3_VERSION_MAJOR) &&
558 return(s->s3->tmp.ca_names);
564 if (s->client_CA != NULL)
565 return(s->client_CA);
567 return(s->ctx->client_CA);
571 static int add_client_CA(STACK_OF(X509_NAME) **sk,X509 *x)
575 if (x == NULL) return(0);
576 if ((*sk == NULL) && ((*sk=sk_X509_NAME_new_null()) == NULL))
579 if ((name=X509_NAME_dup(X509_get_subject_name(x))) == NULL)
582 if (!sk_X509_NAME_push(*sk,name))
584 X509_NAME_free(name);
590 int SSL_add_client_CA(SSL *ssl,X509 *x)
592 return(add_client_CA(&(ssl->client_CA),x));
595 int SSL_CTX_add_client_CA(SSL_CTX *ctx,X509 *x)
597 return(add_client_CA(&(ctx->client_CA),x));
600 static int xname_cmp(const X509_NAME * const *a, const X509_NAME * const *b)
602 return(X509_NAME_cmp(*a,*b));
605 #ifndef OPENSSL_NO_STDIO
607 * Load CA certs from a file into a ::STACK. Note that it is somewhat misnamed;
608 * it doesn't really have anything to do with clients (except that a common use
609 * for a stack of CAs is to send it to the client). Actually, it doesn't have
610 * much to do with CAs, either, since it will load any old cert.
611 * \param file the file containing one or more certs.
612 * \return a ::STACK containing the certs.
614 STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file)
619 STACK_OF(X509_NAME) *ret,*sk;
621 ret=sk_X509_NAME_new_null();
622 sk=sk_X509_NAME_new(xname_cmp);
624 in=BIO_new(BIO_s_file_internal());
626 if ((ret == NULL) || (sk == NULL) || (in == NULL))
628 SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE,ERR_R_MALLOC_FAILURE);
632 if (!BIO_read_filename(in,file))
637 if (PEM_read_bio_X509(in,&x,NULL,NULL) == NULL)
639 if ((xn=X509_get_subject_name(x)) == NULL) goto err;
640 /* check for duplicates */
641 xn=X509_NAME_dup(xn);
642 if (xn == NULL) goto err;
643 if (sk_X509_NAME_find(sk,xn) >= 0)
647 sk_X509_NAME_push(sk,xn);
648 sk_X509_NAME_push(ret,xn);
655 if (ret != NULL) sk_X509_NAME_pop_free(ret,X509_NAME_free);
658 if (sk != NULL) sk_X509_NAME_free(sk);
659 if (in != NULL) BIO_free(in);
660 if (x != NULL) X509_free(x);
666 * Add a file of certs to a stack.
667 * \param stack the stack to add to.
668 * \param file the file to add from. All certs in this file that are not
669 * already in the stack will be added.
670 * \return 1 for success, 0 for failure. Note that in the case of failure some
671 * certs may have been added to \c stack.
674 int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
681 int (*oldcmp)(const X509_NAME * const *a, const X509_NAME * const *b);
683 oldcmp=sk_X509_NAME_set_cmp_func(stack,xname_cmp);
685 in=BIO_new(BIO_s_file_internal());
689 SSLerr(SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK,ERR_R_MALLOC_FAILURE);
693 if (!BIO_read_filename(in,file))
698 if (PEM_read_bio_X509(in,&x,NULL,NULL) == NULL)
700 if ((xn=X509_get_subject_name(x)) == NULL) goto err;
701 xn=X509_NAME_dup(xn);
702 if (xn == NULL) goto err;
703 if (sk_X509_NAME_find(stack,xn) >= 0)
706 sk_X509_NAME_push(stack,xn);
719 sk_X509_NAME_set_cmp_func(stack,oldcmp);
725 * Add a directory of certs to a stack.
726 * \param stack the stack to append to.
727 * \param dir the directory to append from. All files in this directory will be
728 * examined as potential certs. Any that are acceptable to
729 * SSL_add_dir_cert_subjects_to_stack() that are not already in the stack will be
731 * \return 1 for success, 0 for failure. Note that in the case of failure some
732 * certs may have been added to \c stack.
735 #ifndef OPENSSL_SYS_WIN32
736 #ifndef OPENSSL_SYS_VMS /* XXXX This may be fixed in the future */
737 #ifndef OPENSSL_SYS_MACINTOSH_CLASSIC /* XXXXX: Better scheme needed! */
739 int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
743 struct dirent *dstruct;
746 CRYPTO_w_lock(CRYPTO_LOCK_READDIR);
749 /* Note that a side effect is that the CAs will be sorted by name */
752 SYSerr(SYS_F_OPENDIR, get_last_sys_error());
753 ERR_add_error_data(3, "opendir('", dir, "')");
754 SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK, ERR_R_SYS_LIB);
758 while((dstruct=readdir(d)))
763 if(strlen(dir)+strlen(dstruct->d_name)+2 > sizeof buf)
765 SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK,SSL_R_PATH_TOO_LONG);
769 r = BIO_snprintf(buf,sizeof buf,"%s/%s",dir,dstruct->d_name);
770 if (r <= 0 || r >= sizeof buf)
772 if(!SSL_add_file_cert_subjects_to_stack(stack,buf))
779 CRYPTO_w_unlock(CRYPTO_LOCK_READDIR);
786 #else /* OPENSSL_SYS_WIN32 */
788 #if defined(_WIN32_WCE)
790 # error "WinCE comes in UNICODE flavor only..."
792 # if _WIN32_WCE<101 && !defined(OPENSSL_NO_MULTIBYTE)
793 # define OPENSSL_NO_MULTIBYTE
795 # ifndef FindFirstFile
796 # define FindFirstFile FindFirstFileW
798 # ifndef FindNextFile
799 # define FindNextFile FindNextFileW
803 int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
806 WIN32_FIND_DATA FindFileData;
810 size_t i,len_0 = strlen(dir)+1; /* len_0 accounts for trailing 0 */
811 char buf[1024],*slash;
813 if (len_0 > (sizeof(buf)-14)) /* 14 is just some value... */
815 SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK,SSL_R_PATH_TOO_LONG);
819 CRYPTO_w_lock(CRYPTO_LOCK_READDIR);
821 if (sizeof(TCHAR) != sizeof(char))
823 wdir = (TCHAR *)malloc(len_0*sizeof(TCHAR));
826 #ifndef OPENSSL_NO_MULTIBYTE
827 if (!MultiByteToWideChar(CP_ACP,0,dir,len_0,
828 (WCHAR *)wdir,len_0))
830 for (i=0;i<len_0;i++) wdir[i]=(TCHAR)dir[i];
832 hFind = FindFirstFile(wdir, &FindFileData);
834 else hFind = FindFirstFile((const TCHAR *)dir, &FindFileData);
836 /* Note that a side effect is that the CAs will be sorted by name */
837 if(hFind == INVALID_HANDLE_VALUE)
839 SYSerr(SYS_F_OPENDIR, get_last_sys_error());
840 ERR_add_error_data(3, "opendir('", dir, "')");
841 SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK, ERR_R_SYS_LIB);
845 strncpy(buf,dir,sizeof(buf)); /* strcpy is safe too... */
846 buf[len_0-1]='/'; /* no trailing zero! */
850 const TCHAR *fnam=FindFileData.cFileName;
851 size_t flen_0=_tcslen(fnam)+1;
853 if (flen_0 > (sizeof(buf)-len_0))
855 SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK,SSL_R_PATH_TOO_LONG);
858 /* else strcpy would be safe too... */
860 if (sizeof(TCHAR) != sizeof(char))
862 #ifndef OPENSSL_NO_MULTIBYTE
863 if (!WideCharToMultiByte(CP_ACP,0,
864 (WCHAR *)fnam,flen_0,
865 slash,sizeof(buf)-len_0,
868 for (i=0;i<flen_0;i++) slash[i]=(char)fnam[i];
870 else strncpy(slash,(const char *)fnam,sizeof(buf)-len_0);
872 if(!SSL_add_file_cert_subjects_to_stack(stack,buf))
875 while (FindNextFile(hFind, &FindFileData) != FALSE);
884 CRYPTO_w_unlock(CRYPTO_LOCK_READDIR);