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if_iwm - Recognize IWM_FW_PAGING_BLOCK_CMD wide cmd response correctly.
[dragonfly.git] / crypto / openssl / ssl / ssl_rsa.c
blob82022470bfd7752cb08b4daa075361f0fc5a58b3
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
67 static int ssl_set_cert(CERT *c, X509 *x509);
68 static int ssl_set_pkey(CERT *c, EVP_PKEY *pkey);
69 int 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
83 int 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
127 int 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
144 int 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 if (EVP_PKEY_assign_RSA(pkey, rsa) <= 0) {
164 RSA_free(rsa);
165 return 0;
166 }
167
168 ret = ssl_set_pkey(ssl->cert, pkey);
169 EVP_PKEY_free(pkey);
170 return (ret);
171 }
172 #endif
173
174 static int ssl_set_pkey(CERT *c, EVP_PKEY *pkey)
175 {
176 int i;
177 /*
178 * Special case for DH: check two DH certificate types for a match. This
179 * means for DH certificates we must set the certificate first.
180 */
181 if (pkey->type == EVP_PKEY_DH) {
182 X509 *x;
183 i = -1;
184 x = c->pkeys[SSL_PKEY_DH_RSA].x509;
185 if (x && X509_check_private_key(x, pkey))
186 i = SSL_PKEY_DH_RSA;
187 x = c->pkeys[SSL_PKEY_DH_DSA].x509;
188 if (i == -1 && x && X509_check_private_key(x, pkey))
189 i = SSL_PKEY_DH_DSA;
190 ERR_clear_error();
191 } else
192 i = ssl_cert_type(NULL, pkey);
193 if (i < 0) {
194 SSLerr(SSL_F_SSL_SET_PKEY, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
195 return (0);
196 }
197
198 if (c->pkeys[i].x509 != NULL) {
199 EVP_PKEY *pktmp;
200 pktmp = X509_get_pubkey(c->pkeys[i].x509);
201 if (pktmp == NULL) {
202 SSLerr(SSL_F_SSL_SET_PKEY, ERR_R_MALLOC_FAILURE);
203 EVP_PKEY_free(pktmp);
204 return 0;
205 }
206 /*
207 * The return code from EVP_PKEY_copy_parameters is deliberately
208 * ignored. Some EVP_PKEY types cannot do this.
209 */
210 EVP_PKEY_copy_parameters(pktmp, pkey);
211 EVP_PKEY_free(pktmp);
212 ERR_clear_error();
213
214 #ifndef OPENSSL_NO_RSA
215 /*
216 * Don't check the public/private key, this is mostly for smart
217 * cards.
218 */
219 if ((pkey->type == EVP_PKEY_RSA) &&
220 (RSA_flags(pkey->pkey.rsa) & RSA_METHOD_FLAG_NO_CHECK)) ;
221 else
222 #endif
223 if (!X509_check_private_key(c->pkeys[i].x509, pkey)) {
224 X509_free(c->pkeys[i].x509);
225 c->pkeys[i].x509 = NULL;
226 return 0;
227 }
228 }
229
230 if (c->pkeys[i].privatekey != NULL)
231 EVP_PKEY_free(c->pkeys[i].privatekey);
232 CRYPTO_add(&pkey->references, 1, CRYPTO_LOCK_EVP_PKEY);
233 c->pkeys[i].privatekey = pkey;
234 c->key = &(c->pkeys[i]);
235
236 c->valid = 0;
237 return (1);
238 }
239
240 #ifndef OPENSSL_NO_RSA
241 # ifndef OPENSSL_NO_STDIO
242 int SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type)
243 {
244 int j, ret = 0;
245 BIO *in;
246 RSA *rsa = NULL;
247
248 in = BIO_new(BIO_s_file_internal());
249 if (in == NULL) {
250 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, ERR_R_BUF_LIB);
251 goto end;
252 }
253
254 if (BIO_read_filename(in, file) <= 0) {
255 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, ERR_R_SYS_LIB);
256 goto end;
257 }
258 if (type == SSL_FILETYPE_ASN1) {
259 j = ERR_R_ASN1_LIB;
260 rsa = d2i_RSAPrivateKey_bio(in, NULL);
261 } else if (type == SSL_FILETYPE_PEM) {
262 j = ERR_R_PEM_LIB;
263 rsa = PEM_read_bio_RSAPrivateKey(in, NULL,
264 ssl->ctx->default_passwd_callback,
265 ssl->
266 ctx->default_passwd_callback_userdata);
267 } else {
268 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
269 goto end;
270 }
271 if (rsa == NULL) {
272 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, j);
273 goto end;
274 }
275 ret = SSL_use_RSAPrivateKey(ssl, rsa);
276 RSA_free(rsa);
277 end:
278 if (in != NULL)
279 BIO_free(in);
280 return (ret);
281 }
282 # endif
283
284 int SSL_use_RSAPrivateKey_ASN1(SSL *ssl, unsigned char *d, long len)
285 {
286 int ret;
287 const unsigned char *p;
288 RSA *rsa;
289
290 p = d;
291 if ((rsa = d2i_RSAPrivateKey(NULL, &p, (long)len)) == NULL) {
292 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
293 return (0);
294 }
295
296 ret = SSL_use_RSAPrivateKey(ssl, rsa);
297 RSA_free(rsa);
298 return (ret);
299 }
300 #endif /* !OPENSSL_NO_RSA */
301
302 int SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey)
303 {
304 int ret;
305
306 if (pkey == NULL) {
307 SSLerr(SSL_F_SSL_USE_PRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
308 return (0);
309 }
310 if (!ssl_cert_inst(&ssl->cert)) {
311 SSLerr(SSL_F_SSL_USE_PRIVATEKEY, ERR_R_MALLOC_FAILURE);
312 return (0);
313 }
314 ret = ssl_set_pkey(ssl->cert, pkey);
315 return (ret);
316 }
317
318 #ifndef OPENSSL_NO_STDIO
319 int SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type)
320 {
321 int j, ret = 0;
322 BIO *in;
323 EVP_PKEY *pkey = NULL;
324
325 in = BIO_new(BIO_s_file_internal());
326 if (in == NULL) {
327 SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, ERR_R_BUF_LIB);
328 goto end;
329 }
330
331 if (BIO_read_filename(in, file) <= 0) {
332 SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, ERR_R_SYS_LIB);
333 goto end;
334 }
335 if (type == SSL_FILETYPE_PEM) {
336 j = ERR_R_PEM_LIB;
337 pkey = PEM_read_bio_PrivateKey(in, NULL,
338 ssl->ctx->default_passwd_callback,
339 ssl->
340 ctx->default_passwd_callback_userdata);
341 } else if (type == SSL_FILETYPE_ASN1) {
342 j = ERR_R_ASN1_LIB;
343 pkey = d2i_PrivateKey_bio(in, NULL);
344 } else {
345 SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
346 goto end;
347 }
348 if (pkey == NULL) {
349 SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, j);
350 goto end;
351 }
352 ret = SSL_use_PrivateKey(ssl, pkey);
353 EVP_PKEY_free(pkey);
354 end:
355 if (in != NULL)
356 BIO_free(in);
357 return (ret);
358 }
359 #endif
360
361 int SSL_use_PrivateKey_ASN1(int type, SSL *ssl, const unsigned char *d,
362 long len)
363 {
364 int ret;
365 const unsigned char *p;
366 EVP_PKEY *pkey;
367
368 p = d;
369 if ((pkey = d2i_PrivateKey(type, NULL, &p, (long)len)) == NULL) {
370 SSLerr(SSL_F_SSL_USE_PRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
371 return (0);
372 }
373
374 ret = SSL_use_PrivateKey(ssl, pkey);
375 EVP_PKEY_free(pkey);
376 return (ret);
377 }
378
379 int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x)
380 {
381 if (x == NULL) {
382 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE, ERR_R_PASSED_NULL_PARAMETER);
383 return (0);
384 }
385 if (!ssl_cert_inst(&ctx->cert)) {
386 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE, ERR_R_MALLOC_FAILURE);
387 return (0);
388 }
389 return (ssl_set_cert(ctx->cert, x));
390 }
391
392 static int ssl_set_cert(CERT *c, X509 *x)
393 {
394 EVP_PKEY *pkey;
395 int i;
396
397 pkey = X509_get_pubkey(x);
398 if (pkey == NULL) {
399 SSLerr(SSL_F_SSL_SET_CERT, SSL_R_X509_LIB);
400 return (0);
401 }
402
403 i = ssl_cert_type(x, pkey);
404 if (i < 0) {
405 SSLerr(SSL_F_SSL_SET_CERT, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
406 EVP_PKEY_free(pkey);
407 return (0);
408 }
409
410 if (c->pkeys[i].privatekey != NULL) {
411 /*
412 * The return code from EVP_PKEY_copy_parameters is deliberately
413 * ignored. Some EVP_PKEY types cannot do this.
414 */
415 EVP_PKEY_copy_parameters(pkey, c->pkeys[i].privatekey);
416 ERR_clear_error();
417
418 #ifndef OPENSSL_NO_RSA
419 /*
420 * Don't check the public/private key, this is mostly for smart
421 * cards.
422 */
423 if ((c->pkeys[i].privatekey->type == EVP_PKEY_RSA) &&
424 (RSA_flags(c->pkeys[i].privatekey->pkey.rsa) &
425 RSA_METHOD_FLAG_NO_CHECK)) ;
426 else
427 #endif /* OPENSSL_NO_RSA */
428 if (!X509_check_private_key(x, c->pkeys[i].privatekey)) {
429 /*
430 * don't fail for a cert/key mismatch, just free current private
431 * key (when switching to a different cert & key, first this
432 * function should be used, then ssl_set_pkey
433 */
434 EVP_PKEY_free(c->pkeys[i].privatekey);
435 c->pkeys[i].privatekey = NULL;
436 /* clear error queue */
437 ERR_clear_error();
438 }
439 }
440
441 EVP_PKEY_free(pkey);
442
443 if (c->pkeys[i].x509 != NULL)
444 X509_free(c->pkeys[i].x509);
445 CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
446 c->pkeys[i].x509 = x;
447 c->key = &(c->pkeys[i]);
448
449 c->valid = 0;
450 return (1);
451 }
452
453 #ifndef OPENSSL_NO_STDIO
454 int SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, int type)
455 {
456 int j;
457 BIO *in;
458 int ret = 0;
459 X509 *x = NULL;
460
461 in = BIO_new(BIO_s_file_internal());
462 if (in == NULL) {
463 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, ERR_R_BUF_LIB);
464 goto end;
465 }
466
467 if (BIO_read_filename(in, file) <= 0) {
468 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, ERR_R_SYS_LIB);
469 goto end;
470 }
471 if (type == SSL_FILETYPE_ASN1) {
472 j = ERR_R_ASN1_LIB;
473 x = d2i_X509_bio(in, NULL);
474 } else if (type == SSL_FILETYPE_PEM) {
475 j = ERR_R_PEM_LIB;
476 x = PEM_read_bio_X509(in, NULL, ctx->default_passwd_callback,
477 ctx->default_passwd_callback_userdata);
478 } else {
479 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, SSL_R_BAD_SSL_FILETYPE);
480 goto end;
481 }
482
483 if (x == NULL) {
484 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, j);
485 goto end;
486 }
487
488 ret = SSL_CTX_use_certificate(ctx, x);
489 end:
490 if (x != NULL)
491 X509_free(x);
492 if (in != NULL)
493 BIO_free(in);
494 return (ret);
495 }
496 #endif
497
498 int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len,
499 const unsigned char *d)
500 {
501 X509 *x;
502 int ret;
503
504 x = d2i_X509(NULL, &d, (long)len);
505 if (x == NULL) {
506 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_ASN1, ERR_R_ASN1_LIB);
507 return (0);
508 }
509
510 ret = SSL_CTX_use_certificate(ctx, x);
511 X509_free(x);
512 return (ret);
513 }
514
515 #ifndef OPENSSL_NO_RSA
516 int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa)
517 {
518 int ret;
519 EVP_PKEY *pkey;
520
521 if (rsa == NULL) {
522 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
523 return (0);
524 }
525 if (!ssl_cert_inst(&ctx->cert)) {
526 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY, ERR_R_MALLOC_FAILURE);
527 return (0);
528 }
529 if ((pkey = EVP_PKEY_new()) == NULL) {
530 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY, ERR_R_EVP_LIB);
531 return (0);
532 }
533
534 RSA_up_ref(rsa);
535 if (EVP_PKEY_assign_RSA(pkey, rsa) <= 0) {
536 RSA_free(rsa);
537 return 0;
538 }
539
540 ret = ssl_set_pkey(ctx->cert, pkey);
541 EVP_PKEY_free(pkey);
542 return (ret);
543 }
544
545 # ifndef OPENSSL_NO_STDIO
546 int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file, int type)
547 {
548 int j, ret = 0;
549 BIO *in;
550 RSA *rsa = NULL;
551
552 in = BIO_new(BIO_s_file_internal());
553 if (in == NULL) {
554 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, ERR_R_BUF_LIB);
555 goto end;
556 }
557
558 if (BIO_read_filename(in, file) <= 0) {
559 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, ERR_R_SYS_LIB);
560 goto end;
561 }
562 if (type == SSL_FILETYPE_ASN1) {
563 j = ERR_R_ASN1_LIB;
564 rsa = d2i_RSAPrivateKey_bio(in, NULL);
565 } else if (type == SSL_FILETYPE_PEM) {
566 j = ERR_R_PEM_LIB;
567 rsa = PEM_read_bio_RSAPrivateKey(in, NULL,
568 ctx->default_passwd_callback,
569 ctx->default_passwd_callback_userdata);
570 } else {
571 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
572 goto end;
573 }
574 if (rsa == NULL) {
575 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, j);
576 goto end;
577 }
578 ret = SSL_CTX_use_RSAPrivateKey(ctx, rsa);
579 RSA_free(rsa);
580 end:
581 if (in != NULL)
582 BIO_free(in);
583 return (ret);
584 }
585 # endif
586
587 int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d,
588 long len)
589 {
590 int ret;
591 const unsigned char *p;
592 RSA *rsa;
593
594 p = d;
595 if ((rsa = d2i_RSAPrivateKey(NULL, &p, (long)len)) == NULL) {
596 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
597 return (0);
598 }
599
600 ret = SSL_CTX_use_RSAPrivateKey(ctx, rsa);
601 RSA_free(rsa);
602 return (ret);
603 }
604 #endif /* !OPENSSL_NO_RSA */
605
606 int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey)
607 {
608 if (pkey == NULL) {
609 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
610 return (0);
611 }
612 if (!ssl_cert_inst(&ctx->cert)) {
613 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY, ERR_R_MALLOC_FAILURE);
614 return (0);
615 }
616 return (ssl_set_pkey(ctx->cert, pkey));
617 }
618
619 #ifndef OPENSSL_NO_STDIO
620 int SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, int type)
621 {
622 int j, ret = 0;
623 BIO *in;
624 EVP_PKEY *pkey = NULL;
625
626 in = BIO_new(BIO_s_file_internal());
627 if (in == NULL) {
628 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, ERR_R_BUF_LIB);
629 goto end;
630 }
631
632 if (BIO_read_filename(in, file) <= 0) {
633 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, ERR_R_SYS_LIB);
634 goto end;
635 }
636 if (type == SSL_FILETYPE_PEM) {
637 j = ERR_R_PEM_LIB;
638 pkey = PEM_read_bio_PrivateKey(in, NULL,
639 ctx->default_passwd_callback,
640 ctx->default_passwd_callback_userdata);
641 } else if (type == SSL_FILETYPE_ASN1) {
642 j = ERR_R_ASN1_LIB;
643 pkey = d2i_PrivateKey_bio(in, NULL);
644 } else {
645 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
646 goto end;
647 }
648 if (pkey == NULL) {
649 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, j);
650 goto end;
651 }
652 ret = SSL_CTX_use_PrivateKey(ctx, pkey);
653 EVP_PKEY_free(pkey);
654 end:
655 if (in != NULL)
656 BIO_free(in);
657 return (ret);
658 }
659 #endif
660
661 int SSL_CTX_use_PrivateKey_ASN1(int type, SSL_CTX *ctx,
662 const unsigned char *d, long len)
663 {
664 int ret;
665 const unsigned char *p;
666 EVP_PKEY *pkey;
667
668 p = d;
669 if ((pkey = d2i_PrivateKey(type, NULL, &p, (long)len)) == NULL) {
670 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
671 return (0);
672 }
673
674 ret = SSL_CTX_use_PrivateKey(ctx, pkey);
675 EVP_PKEY_free(pkey);
676 return (ret);
677 }
678
679 #ifndef OPENSSL_NO_STDIO
680 /*
681 * Read a file that contains our certificate in "PEM" format, possibly
682 * followed by a sequence of CA certificates that should be sent to the peer
683 * in the Certificate message.
684 */
685 int SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file)
686 {
687 BIO *in;
688 int ret = 0;
689 X509 *x = NULL;
690
691 ERR_clear_error(); /* clear error stack for
692 * SSL_CTX_use_certificate() */
693
694 in = BIO_new(BIO_s_file_internal());
695 if (in == NULL) {
696 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE, ERR_R_BUF_LIB);
697 goto end;
698 }
699
700 if (BIO_read_filename(in, file) <= 0) {
701 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE, ERR_R_SYS_LIB);
702 goto end;
703 }
704
705 x = PEM_read_bio_X509_AUX(in, NULL, ctx->default_passwd_callback,
706 ctx->default_passwd_callback_userdata);
707 if (x == NULL) {
708 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE, ERR_R_PEM_LIB);
709 goto end;
710 }
711
712 ret = SSL_CTX_use_certificate(ctx, x);
713
714 if (ERR_peek_error() != 0)
715 ret = 0; /* Key/certificate mismatch doesn't imply
716 * ret==0 ... */
717 if (ret) {
718 /*
719 * If we could set up our certificate, now proceed to the CA
720 * certificates.
721 */
722 X509 *ca;
723 int r;
724 unsigned long err;
725
726 SSL_CTX_clear_chain_certs(ctx);
727
728 while ((ca = PEM_read_bio_X509(in, NULL,
729 ctx->default_passwd_callback,
730 ctx->default_passwd_callback_userdata))
731 != NULL) {
732 r = SSL_CTX_add0_chain_cert(ctx, ca);
733 if (!r) {
734 X509_free(ca);
735 ret = 0;
736 goto end;
737 }
738 /*
739 * Note that we must not free r if it was successfully added to
740 * the chain (while we must free the main certificate, since its
741 * reference count is increased by SSL_CTX_use_certificate).
742 */
743 }
744 /* When the while loop ends, it's usually just EOF. */
745 err = ERR_peek_last_error();
746 if (ERR_GET_LIB(err) == ERR_LIB_PEM
747 && ERR_GET_REASON(err) == PEM_R_NO_START_LINE)
748 ERR_clear_error();
749 else
750 ret = 0; /* some real error */
751 }
752
753 end:
754 if (x != NULL)
755 X509_free(x);
756 if (in != NULL)
757 BIO_free(in);
758 return (ret);
759 }
760 #endif
761
762 #ifndef OPENSSL_NO_TLSEXT
763 static int serverinfo_find_extension(const unsigned char *serverinfo,
764 size_t serverinfo_length,
765 unsigned int extension_type,
766 const unsigned char **extension_data,
767 size_t *extension_length)
768 {
769 *extension_data = NULL;
770 *extension_length = 0;
771 if (serverinfo == NULL || serverinfo_length == 0)
772 return -1;
773 for (;;) {
774 unsigned int type = 0;
775 size_t len = 0;
776
777 /* end of serverinfo */
778 if (serverinfo_length == 0)
779 return 0; /* Extension not found */
780
781 /* read 2-byte type field */
782 if (serverinfo_length < 2)
783 return -1; /* Error */
784 type = (serverinfo[0] << 8) + serverinfo[1];
785 serverinfo += 2;
786 serverinfo_length -= 2;
787
788 /* read 2-byte len field */
789 if (serverinfo_length < 2)
790 return -1; /* Error */
791 len = (serverinfo[0] << 8) + serverinfo[1];
792 serverinfo += 2;
793 serverinfo_length -= 2;
794
795 if (len > serverinfo_length)
796 return -1; /* Error */
797
798 if (type == extension_type) {
799 *extension_data = serverinfo;
800 *extension_length = len;
801 return 1; /* Success */
802 }
803
804 serverinfo += len;
805 serverinfo_length -= len;
806 }
807 return 0; /* Error */
808 }
809
810 static int serverinfo_srv_parse_cb(SSL *s, unsigned int ext_type,
811 const unsigned char *in,
812 size_t inlen, int *al, void *arg)
813 {
814
815 if (inlen != 0) {
816 *al = SSL_AD_DECODE_ERROR;
817 return 0;
818 }
819
820 return 1;
821 }
822
823 static int serverinfo_srv_add_cb(SSL *s, unsigned int ext_type,
824 const unsigned char **out, size_t *outlen,
825 int *al, void *arg)
826 {
827 const unsigned char *serverinfo = NULL;
828 size_t serverinfo_length = 0;
829
830 /* Is there serverinfo data for the chosen server cert? */
831 if ((ssl_get_server_cert_serverinfo(s, &serverinfo,
832 &serverinfo_length)) != 0) {
833 /* Find the relevant extension from the serverinfo */
834 int retval = serverinfo_find_extension(serverinfo, serverinfo_length,
835 ext_type, out, outlen);
836 if (retval == -1) {
837 *al = SSL_AD_DECODE_ERROR;
838 return -1; /* Error */
839 }
840 if (retval == 0)
841 return 0; /* No extension found, don't send extension */
842 return 1; /* Send extension */
843 }
844 return 0; /* No serverinfo data found, don't send
845 * extension */
846 }
847
848 /*
849 * With a NULL context, this function just checks that the serverinfo data
850 * parses correctly. With a non-NULL context, it registers callbacks for
851 * the included extensions.
852 */
853 static int serverinfo_process_buffer(const unsigned char *serverinfo,
854 size_t serverinfo_length, SSL_CTX *ctx)
855 {
856 if (serverinfo == NULL || serverinfo_length == 0)
857 return 0;
858 for (;;) {
859 unsigned int ext_type = 0;
860 size_t len = 0;
861
862 /* end of serverinfo */
863 if (serverinfo_length == 0)
864 return 1;
865
866 /* read 2-byte type field */
867 if (serverinfo_length < 2)
868 return 0;
869 /* FIXME: check for types we understand explicitly? */
870
871 /* Register callbacks for extensions */
872 ext_type = (serverinfo[0] << 8) + serverinfo[1];
873 if (ctx) {
874 int have_ext_cbs = 0;
875 size_t i;
876 custom_ext_methods *exts = &ctx->cert->srv_ext;
877 custom_ext_method *meth = exts->meths;
878
879 for (i = 0; i < exts->meths_count; i++, meth++) {
880 if (ext_type == meth->ext_type) {
881 have_ext_cbs = 1;
882 break;
883 }
884 }
885
886 if (!have_ext_cbs && !SSL_CTX_add_server_custom_ext(ctx, ext_type,
887 serverinfo_srv_add_cb,
888 NULL, NULL,
889 serverinfo_srv_parse_cb,
890 NULL))
891 return 0;
892 }
893
894 serverinfo += 2;
895 serverinfo_length -= 2;
896
897 /* read 2-byte len field */
898 if (serverinfo_length < 2)
899 return 0;
900 len = (serverinfo[0] << 8) + serverinfo[1];
901 serverinfo += 2;
902 serverinfo_length -= 2;
903
904 if (len > serverinfo_length)
905 return 0;
906
907 serverinfo += len;
908 serverinfo_length -= len;
909 }
910 }
911
912 int SSL_CTX_use_serverinfo(SSL_CTX *ctx, const unsigned char *serverinfo,
913 size_t serverinfo_length)
914 {
915 if (ctx == NULL || serverinfo == NULL || serverinfo_length == 0) {
916 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO, ERR_R_PASSED_NULL_PARAMETER);
917 return 0;
918 }
919 if (!serverinfo_process_buffer(serverinfo, serverinfo_length, NULL)) {
920 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO, SSL_R_INVALID_SERVERINFO_DATA);
921 return 0;
922 }
923 if (!ssl_cert_inst(&ctx->cert)) {
924 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO, ERR_R_MALLOC_FAILURE);
925 return 0;
926 }
927 if (ctx->cert->key == NULL) {
928 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO, ERR_R_INTERNAL_ERROR);
929 return 0;
930 }
931 ctx->cert->key->serverinfo = OPENSSL_realloc(ctx->cert->key->serverinfo,
932 serverinfo_length);
933 if (ctx->cert->key->serverinfo == NULL) {
934 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO, ERR_R_MALLOC_FAILURE);
935 return 0;
936 }
937 memcpy(ctx->cert->key->serverinfo, serverinfo, serverinfo_length);
938 ctx->cert->key->serverinfo_length = serverinfo_length;
939
940 /*
941 * Now that the serverinfo is validated and stored, go ahead and
942 * register callbacks.
943 */
944 if (!serverinfo_process_buffer(serverinfo, serverinfo_length, ctx)) {
945 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO, SSL_R_INVALID_SERVERINFO_DATA);
946 return 0;
947 }
948 return 1;
949 }
950
951 # ifndef OPENSSL_NO_STDIO
952 int SSL_CTX_use_serverinfo_file(SSL_CTX *ctx, const char *file)
953 {
954 unsigned char *serverinfo = NULL;
955 size_t serverinfo_length = 0;
956 unsigned char *extension = 0;
957 long extension_length = 0;
958 char *name = NULL;
959 char *header = NULL;
960 char namePrefix[] = "SERVERINFO FOR ";
961 int ret = 0;
962 BIO *bin = NULL;
963 size_t num_extensions = 0;
964
965 if (ctx == NULL || file == NULL) {
966 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE,
967 ERR_R_PASSED_NULL_PARAMETER);
968 goto end;
969 }
970
971 bin = BIO_new(BIO_s_file_internal());
972 if (bin == NULL) {
973 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, ERR_R_BUF_LIB);
974 goto end;
975 }
976 if (BIO_read_filename(bin, file) <= 0) {
977 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, ERR_R_SYS_LIB);
978 goto end;
979 }
980
981 for (num_extensions = 0;; num_extensions++) {
982 if (PEM_read_bio(bin, &name, &header, &extension, &extension_length)
983 == 0) {
984 /*
985 * There must be at least one extension in this file
986 */
987 if (num_extensions == 0) {
988 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE,
989 SSL_R_NO_PEM_EXTENSIONS);
990 goto end;
991 } else /* End of file, we're done */
992 break;
993 }
994 /* Check that PEM name starts with "BEGIN SERVERINFO FOR " */
995 if (strlen(name) < strlen(namePrefix)) {
996 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE,
997 SSL_R_PEM_NAME_TOO_SHORT);
998 goto end;
999 }
1000 if (strncmp(name, namePrefix, strlen(namePrefix)) != 0) {
1001 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE,
1002 SSL_R_PEM_NAME_BAD_PREFIX);
1003 goto end;
1004 }
1005 /*
1006 * Check that the decoded PEM data is plausible (valid length field)
1007 */
1008 if (extension_length < 4
1009 || (extension[2] << 8) + extension[3] != extension_length - 4) {
1010 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, SSL_R_BAD_DATA);
1011 goto end;
1012 }
1013 /* Append the decoded extension to the serverinfo buffer */
1014 serverinfo =
1015 OPENSSL_realloc(serverinfo, serverinfo_length + extension_length);
1016 if (serverinfo == NULL) {
1017 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, ERR_R_MALLOC_FAILURE);
1018 goto end;
1019 }
1020 memcpy(serverinfo + serverinfo_length, extension, extension_length);
1021 serverinfo_length += extension_length;
1022
1023 OPENSSL_free(name);
1024 name = NULL;
1025 OPENSSL_free(header);
1026 header = NULL;
1027 OPENSSL_free(extension);
1028 extension = NULL;
1029 }
1030
1031 ret = SSL_CTX_use_serverinfo(ctx, serverinfo, serverinfo_length);
1032 end:
1033 /* SSL_CTX_use_serverinfo makes a local copy of the serverinfo. */
1034 OPENSSL_free(name);
1035 OPENSSL_free(header);
1036 OPENSSL_free(extension);
1037 OPENSSL_free(serverinfo);
1038 if (bin != NULL)
1039 BIO_free(bin);
1040 return ret;
1041 }
1042 # endif /* OPENSSL_NO_STDIO */
1043 #endif /* OPENSSL_NO_TLSEXT */
DragonFly BSD