ssl_rsa.c revision 296465 
1/* ssl/ssl_rsa.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#include <stdio.h>
60#include "ssl_locl.h"
61#include <openssl/bio.h>
62#include <openssl/objects.h>
63#include <openssl/evp.h>
64#include <openssl/x509.h>
65#include <openssl/pem.h>
66
67static int ssl_set_cert(CERT *c, X509 *x509);
68static int ssl_set_pkey(CERT *c, EVP_PKEY *pkey);
69int SSL_use_certificate(SSL *ssl, X509 *x)
70{
71    if (x == NULL) {
72        SSLerr(SSL_F_SSL_USE_CERTIFICATE, ERR_R_PASSED_NULL_PARAMETER);
73        return (0);
74    }
75    if (!ssl_cert_inst(&ssl->cert)) {
76        SSLerr(SSL_F_SSL_USE_CERTIFICATE, ERR_R_MALLOC_FAILURE);
77        return (0);
78    }
79    return (ssl_set_cert(ssl->cert, x));
80}
81
82#ifndef OPENSSL_NO_STDIO
83int SSL_use_certificate_file(SSL *ssl, const char *file, int type)
84{
85    int j;
86    BIO *in;
87    int ret = 0;
88    X509 *x = NULL;
89
90    in = BIO_new(BIO_s_file_internal());
91    if (in == NULL) {
92        SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE, ERR_R_BUF_LIB);
93        goto end;
94    }
95
96    if (BIO_read_filename(in, file) <= 0) {
97        SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE, ERR_R_SYS_LIB);
98        goto end;
99    }
100    if (type == SSL_FILETYPE_ASN1) {
101        j = ERR_R_ASN1_LIB;
102        x = d2i_X509_bio(in, NULL);
103    } else if (type == SSL_FILETYPE_PEM) {
104        j = ERR_R_PEM_LIB;
105        x = PEM_read_bio_X509(in, NULL, ssl->ctx->default_passwd_callback,
106                              ssl->ctx->default_passwd_callback_userdata);
107    } else {
108        SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE, SSL_R_BAD_SSL_FILETYPE);
109        goto end;
110    }
111
112    if (x == NULL) {
113        SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE, j);
114        goto end;
115    }
116
117    ret = SSL_use_certificate(ssl, x);
118 end:
119    if (x != NULL)
120        X509_free(x);
121    if (in != NULL)
122        BIO_free(in);
123    return (ret);
124}
125#endif
126
127int SSL_use_certificate_ASN1(SSL *ssl, const unsigned char *d, int len)
128{
129    X509 *x;
130    int ret;
131
132    x = d2i_X509(NULL, &d, (long)len);
133    if (x == NULL) {
134        SSLerr(SSL_F_SSL_USE_CERTIFICATE_ASN1, ERR_R_ASN1_LIB);
135        return (0);
136    }
137
138    ret = SSL_use_certificate(ssl, x);
139    X509_free(x);
140    return (ret);
141}
142
143#ifndef OPENSSL_NO_RSA
144int SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa)
145{
146    EVP_PKEY *pkey;
147    int ret;
148
149    if (rsa == NULL) {
150        SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
151        return (0);
152    }
153    if (!ssl_cert_inst(&ssl->cert)) {
154        SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY, ERR_R_MALLOC_FAILURE);
155        return (0);
156    }
157    if ((pkey = EVP_PKEY_new()) == NULL) {
158        SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY, ERR_R_EVP_LIB);
159        return (0);
160    }
161
162    RSA_up_ref(rsa);
163    EVP_PKEY_assign_RSA(pkey, rsa);
164
165    ret = ssl_set_pkey(ssl->cert, pkey);
166    EVP_PKEY_free(pkey);
167    return (ret);
168}
169#endif
170
171static int ssl_set_pkey(CERT *c, EVP_PKEY *pkey)
172{
173    int i;
174
175    i = ssl_cert_type(NULL, pkey);
176    if (i < 0) {
177        SSLerr(SSL_F_SSL_SET_PKEY, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
178        return (0);
179    }
180
181    if (c->pkeys[i].x509 != NULL) {
182        EVP_PKEY *pktmp;
183        pktmp = X509_get_pubkey(c->pkeys[i].x509);
184        EVP_PKEY_copy_parameters(pktmp, pkey);
185        EVP_PKEY_free(pktmp);
186        ERR_clear_error();
187
188#ifndef OPENSSL_NO_RSA
189        /*
190         * Don't check the public/private key, this is mostly for smart
191         * cards.
192         */
193        if ((pkey->type == EVP_PKEY_RSA) &&
194            (RSA_flags(pkey->pkey.rsa) & RSA_METHOD_FLAG_NO_CHECK)) ;
195        else
196#endif
197        if (!X509_check_private_key(c->pkeys[i].x509, pkey)) {
198            X509_free(c->pkeys[i].x509);
199            c->pkeys[i].x509 = NULL;
200            return 0;
201        }
202    }
203
204    if (c->pkeys[i].privatekey != NULL)
205        EVP_PKEY_free(c->pkeys[i].privatekey);
206    CRYPTO_add(&pkey->references, 1, CRYPTO_LOCK_EVP_PKEY);
207    c->pkeys[i].privatekey = pkey;
208    c->key = &(c->pkeys[i]);
209
210    c->valid = 0;
211    return (1);
212}
213
214#ifndef OPENSSL_NO_RSA
215# ifndef OPENSSL_NO_STDIO
216int SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type)
217{
218    int j, ret = 0;
219    BIO *in;
220    RSA *rsa = NULL;
221
222    in = BIO_new(BIO_s_file_internal());
223    if (in == NULL) {
224        SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, ERR_R_BUF_LIB);
225        goto end;
226    }
227
228    if (BIO_read_filename(in, file) <= 0) {
229        SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, ERR_R_SYS_LIB);
230        goto end;
231    }
232    if (type == SSL_FILETYPE_ASN1) {
233        j = ERR_R_ASN1_LIB;
234        rsa = d2i_RSAPrivateKey_bio(in, NULL);
235    } else if (type == SSL_FILETYPE_PEM) {
236        j = ERR_R_PEM_LIB;
237        rsa = PEM_read_bio_RSAPrivateKey(in, NULL,
238                                         ssl->ctx->default_passwd_callback,
239                                         ssl->
240                                         ctx->default_passwd_callback_userdata);
241    } else {
242        SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
243        goto end;
244    }
245    if (rsa == NULL) {
246        SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, j);
247        goto end;
248    }
249    ret = SSL_use_RSAPrivateKey(ssl, rsa);
250    RSA_free(rsa);
251 end:
252    if (in != NULL)
253        BIO_free(in);
254    return (ret);
255}
256# endif
257
258int SSL_use_RSAPrivateKey_ASN1(SSL *ssl, unsigned char *d, long len)
259{
260    int ret;
261    const unsigned char *p;
262    RSA *rsa;
263
264    p = d;
265    if ((rsa = d2i_RSAPrivateKey(NULL, &p, (long)len)) == NULL) {
266        SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
267        return (0);
268    }
269
270    ret = SSL_use_RSAPrivateKey(ssl, rsa);
271    RSA_free(rsa);
272    return (ret);
273}
274#endif                          /* !OPENSSL_NO_RSA */
275
276int SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey)
277{
278    int ret;
279
280    if (pkey == NULL) {
281        SSLerr(SSL_F_SSL_USE_PRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
282        return (0);
283    }
284    if (!ssl_cert_inst(&ssl->cert)) {
285        SSLerr(SSL_F_SSL_USE_PRIVATEKEY, ERR_R_MALLOC_FAILURE);
286        return (0);
287    }
288    ret = ssl_set_pkey(ssl->cert, pkey);
289    return (ret);
290}
291
292#ifndef OPENSSL_NO_STDIO
293int SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type)
294{
295    int j, ret = 0;
296    BIO *in;
297    EVP_PKEY *pkey = NULL;
298
299    in = BIO_new(BIO_s_file_internal());
300    if (in == NULL) {
301        SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, ERR_R_BUF_LIB);
302        goto end;
303    }
304
305    if (BIO_read_filename(in, file) <= 0) {
306        SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, ERR_R_SYS_LIB);
307        goto end;
308    }
309    if (type == SSL_FILETYPE_PEM) {
310        j = ERR_R_PEM_LIB;
311        pkey = PEM_read_bio_PrivateKey(in, NULL,
312                                       ssl->ctx->default_passwd_callback,
313                                       ssl->
314                                       ctx->default_passwd_callback_userdata);
315    } else if (type == SSL_FILETYPE_ASN1) {
316        j = ERR_R_ASN1_LIB;
317        pkey = d2i_PrivateKey_bio(in, NULL);
318    } else {
319        SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
320        goto end;
321    }
322    if (pkey == NULL) {
323        SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, j);
324        goto end;
325    }
326    ret = SSL_use_PrivateKey(ssl, pkey);
327    EVP_PKEY_free(pkey);
328 end:
329    if (in != NULL)
330        BIO_free(in);
331    return (ret);
332}
333#endif
334
335int SSL_use_PrivateKey_ASN1(int type, SSL *ssl, const unsigned char *d,
336                            long len)
337{
338    int ret;
339    const unsigned char *p;
340    EVP_PKEY *pkey;
341
342    p = d;
343    if ((pkey = d2i_PrivateKey(type, NULL, &p, (long)len)) == NULL) {
344        SSLerr(SSL_F_SSL_USE_PRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
345        return (0);
346    }
347
348    ret = SSL_use_PrivateKey(ssl, pkey);
349    EVP_PKEY_free(pkey);
350    return (ret);
351}
352
353int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x)
354{
355    if (x == NULL) {
356        SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE, ERR_R_PASSED_NULL_PARAMETER);
357        return (0);
358    }
359    if (!ssl_cert_inst(&ctx->cert)) {
360        SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE, ERR_R_MALLOC_FAILURE);
361        return (0);
362    }
363    return (ssl_set_cert(ctx->cert, x));
364}
365
366static int ssl_set_cert(CERT *c, X509 *x)
367{
368    EVP_PKEY *pkey;
369    int i;
370
371    pkey = X509_get_pubkey(x);
372    if (pkey == NULL) {
373        SSLerr(SSL_F_SSL_SET_CERT, SSL_R_X509_LIB);
374        return (0);
375    }
376
377    i = ssl_cert_type(x, pkey);
378    if (i < 0) {
379        SSLerr(SSL_F_SSL_SET_CERT, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
380        EVP_PKEY_free(pkey);
381        return (0);
382    }
383
384    if (c->pkeys[i].privatekey != NULL) {
385        EVP_PKEY_copy_parameters(pkey, c->pkeys[i].privatekey);
386        ERR_clear_error();
387
388#ifndef OPENSSL_NO_RSA
389        /*
390         * Don't check the public/private key, this is mostly for smart
391         * cards.
392         */
393        if ((c->pkeys[i].privatekey->type == EVP_PKEY_RSA) &&
394            (RSA_flags(c->pkeys[i].privatekey->pkey.rsa) &
395             RSA_METHOD_FLAG_NO_CHECK)) ;
396        else
397#endif                          /* OPENSSL_NO_RSA */
398        if (!X509_check_private_key(x, c->pkeys[i].privatekey)) {
399            /*
400             * don't fail for a cert/key mismatch, just free current private
401             * key (when switching to a different cert & key, first this
402             * function should be used, then ssl_set_pkey
403             */
404            EVP_PKEY_free(c->pkeys[i].privatekey);
405            c->pkeys[i].privatekey = NULL;
406            /* clear error queue */
407            ERR_clear_error();
408        }
409    }
410
411    EVP_PKEY_free(pkey);
412
413    if (c->pkeys[i].x509 != NULL)
414        X509_free(c->pkeys[i].x509);
415    CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
416    c->pkeys[i].x509 = x;
417    c->key = &(c->pkeys[i]);
418
419    c->valid = 0;
420    return (1);
421}
422
423#ifndef OPENSSL_NO_STDIO
424int SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, int type)
425{
426    int j;
427    BIO *in;
428    int ret = 0;
429    X509 *x = NULL;
430
431    in = BIO_new(BIO_s_file_internal());
432    if (in == NULL) {
433        SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, ERR_R_BUF_LIB);
434        goto end;
435    }
436
437    if (BIO_read_filename(in, file) <= 0) {
438        SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, ERR_R_SYS_LIB);
439        goto end;
440    }
441    if (type == SSL_FILETYPE_ASN1) {
442        j = ERR_R_ASN1_LIB;
443        x = d2i_X509_bio(in, NULL);
444    } else if (type == SSL_FILETYPE_PEM) {
445        j = ERR_R_PEM_LIB;
446        x = PEM_read_bio_X509(in, NULL, ctx->default_passwd_callback,
447                              ctx->default_passwd_callback_userdata);
448    } else {
449        SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, SSL_R_BAD_SSL_FILETYPE);
450        goto end;
451    }
452
453    if (x == NULL) {
454        SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, j);
455        goto end;
456    }
457
458    ret = SSL_CTX_use_certificate(ctx, x);
459 end:
460    if (x != NULL)
461        X509_free(x);
462    if (in != NULL)
463        BIO_free(in);
464    return (ret);
465}
466#endif
467
468int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len,
469                                 const unsigned char *d)
470{
471    X509 *x;
472    int ret;
473
474    x = d2i_X509(NULL, &d, (long)len);
475    if (x == NULL) {
476        SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_ASN1, ERR_R_ASN1_LIB);
477        return (0);
478    }
479
480    ret = SSL_CTX_use_certificate(ctx, x);
481    X509_free(x);
482    return (ret);
483}
484
485#ifndef OPENSSL_NO_RSA
486int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa)
487{
488    int ret;
489    EVP_PKEY *pkey;
490
491    if (rsa == NULL) {
492        SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
493        return (0);
494    }
495    if (!ssl_cert_inst(&ctx->cert)) {
496        SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY, ERR_R_MALLOC_FAILURE);
497        return (0);
498    }
499    if ((pkey = EVP_PKEY_new()) == NULL) {
500        SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY, ERR_R_EVP_LIB);
501        return (0);
502    }
503
504    RSA_up_ref(rsa);
505    EVP_PKEY_assign_RSA(pkey, rsa);
506
507    ret = ssl_set_pkey(ctx->cert, pkey);
508    EVP_PKEY_free(pkey);
509    return (ret);
510}
511
512# ifndef OPENSSL_NO_STDIO
513int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file, int type)
514{
515    int j, ret = 0;
516    BIO *in;
517    RSA *rsa = NULL;
518
519    in = BIO_new(BIO_s_file_internal());
520    if (in == NULL) {
521        SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, ERR_R_BUF_LIB);
522        goto end;
523    }
524
525    if (BIO_read_filename(in, file) <= 0) {
526        SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, ERR_R_SYS_LIB);
527        goto end;
528    }
529    if (type == SSL_FILETYPE_ASN1) {
530        j = ERR_R_ASN1_LIB;
531        rsa = d2i_RSAPrivateKey_bio(in, NULL);
532    } else if (type == SSL_FILETYPE_PEM) {
533        j = ERR_R_PEM_LIB;
534        rsa = PEM_read_bio_RSAPrivateKey(in, NULL,
535                                         ctx->default_passwd_callback,
536                                         ctx->default_passwd_callback_userdata);
537    } else {
538        SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
539        goto end;
540    }
541    if (rsa == NULL) {
542        SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, j);
543        goto end;
544    }
545    ret = SSL_CTX_use_RSAPrivateKey(ctx, rsa);
546    RSA_free(rsa);
547 end:
548    if (in != NULL)
549        BIO_free(in);
550    return (ret);
551}
552# endif
553
554int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d,
555                                   long len)
556{
557    int ret;
558    const unsigned char *p;
559    RSA *rsa;
560
561    p = d;
562    if ((rsa = d2i_RSAPrivateKey(NULL, &p, (long)len)) == NULL) {
563        SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
564        return (0);
565    }
566
567    ret = SSL_CTX_use_RSAPrivateKey(ctx, rsa);
568    RSA_free(rsa);
569    return (ret);
570}
571#endif                          /* !OPENSSL_NO_RSA */
572
573int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey)
574{
575    if (pkey == NULL) {
576        SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
577        return (0);
578    }
579    if (!ssl_cert_inst(&ctx->cert)) {
580        SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY, ERR_R_MALLOC_FAILURE);
581        return (0);
582    }
583    return (ssl_set_pkey(ctx->cert, pkey));
584}
585
586#ifndef OPENSSL_NO_STDIO
587int SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, int type)
588{
589    int j, ret = 0;
590    BIO *in;
591    EVP_PKEY *pkey = NULL;
592
593    in = BIO_new(BIO_s_file_internal());
594    if (in == NULL) {
595        SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, ERR_R_BUF_LIB);
596        goto end;
597    }
598
599    if (BIO_read_filename(in, file) <= 0) {
600        SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, ERR_R_SYS_LIB);
601        goto end;
602    }
603    if (type == SSL_FILETYPE_PEM) {
604        j = ERR_R_PEM_LIB;
605        pkey = PEM_read_bio_PrivateKey(in, NULL,
606                                       ctx->default_passwd_callback,
607                                       ctx->default_passwd_callback_userdata);
608    } else if (type == SSL_FILETYPE_ASN1) {
609        j = ERR_R_ASN1_LIB;
610        pkey = d2i_PrivateKey_bio(in, NULL);
611    } else {
612        SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
613        goto end;
614    }
615    if (pkey == NULL) {
616        SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, j);
617        goto end;
618    }
619    ret = SSL_CTX_use_PrivateKey(ctx, pkey);
620    EVP_PKEY_free(pkey);
621 end:
622    if (in != NULL)
623        BIO_free(in);
624    return (ret);
625}
626#endif
627
628int SSL_CTX_use_PrivateKey_ASN1(int type, SSL_CTX *ctx,
629                                const unsigned char *d, long len)
630{
631    int ret;
632    const unsigned char *p;
633    EVP_PKEY *pkey;
634
635    p = d;
636    if ((pkey = d2i_PrivateKey(type, NULL, &p, (long)len)) == NULL) {
637        SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
638        return (0);
639    }
640
641    ret = SSL_CTX_use_PrivateKey(ctx, pkey);
642    EVP_PKEY_free(pkey);
643    return (ret);
644}
645
646#ifndef OPENSSL_NO_STDIO
647/*
648 * Read a file that contains our certificate in "PEM" format, possibly
649 * followed by a sequence of CA certificates that should be sent to the peer
650 * in the Certificate message.
651 */
652int SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file)
653{
654    BIO *in;
655    int ret = 0;
656    X509 *x = NULL;
657
658    ERR_clear_error();          /* clear error stack for
659                                 * SSL_CTX_use_certificate() */
660
661    in = BIO_new(BIO_s_file_internal());
662    if (in == NULL) {
663        SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE, ERR_R_BUF_LIB);
664        goto end;
665    }
666
667    if (BIO_read_filename(in, file) <= 0) {
668        SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE, ERR_R_SYS_LIB);
669        goto end;
670    }
671
672    x = PEM_read_bio_X509_AUX(in, NULL, ctx->default_passwd_callback,
673                              ctx->default_passwd_callback_userdata);
674    if (x == NULL) {
675        SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE, ERR_R_PEM_LIB);
676        goto end;
677    }
678
679    ret = SSL_CTX_use_certificate(ctx, x);
680    if (ERR_peek_error() != 0)
681        ret = 0;                /* Key/certificate mismatch doesn't imply
682                                 * ret==0 ... */
683    if (ret) {
684        /*
685         * If we could set up our certificate, now proceed to the CA
686         * certificates.
687         */
688        X509 *ca;
689        int r;
690        unsigned long err;
691
692        if (ctx->extra_certs != NULL) {
693            sk_X509_pop_free(ctx->extra_certs, X509_free);
694            ctx->extra_certs = NULL;
695        }
696
697        while ((ca =
698                PEM_read_bio_X509(in, NULL, ctx->default_passwd_callback,
699                                  ctx->default_passwd_callback_userdata))
700               != NULL) {
701            r = SSL_CTX_add_extra_chain_cert(ctx, ca);
702            if (!r) {
703                X509_free(ca);
704                ret = 0;
705                goto end;
706            }
707            /*
708             * Note that we must not free r if it was successfully added to
709             * the chain (while we must free the main certificate, since its
710             * reference count is increased by SSL_CTX_use_certificate).
711             */
712        }
713        /* When the while loop ends, it's usually just EOF. */
714        err = ERR_peek_last_error();
715        if (ERR_GET_LIB(err) == ERR_LIB_PEM
716            && ERR_GET_REASON(err) == PEM_R_NO_START_LINE)
717            ERR_clear_error();
718        else
719            ret = 0;            /* some real error */
720    }
721
722 end:
723    if (x != NULL)
724        X509_free(x);
725    if (in != NULL)
726        BIO_free(in);
727    return (ret);
728}
729#endif
730