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.]
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>
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)
72 SSLerr(SSL_F_SSL_USE_CERTIFICATE, ERR_R_PASSED_NULL_PARAMETER);
75 if (!ssl_cert_inst(&ssl->cert)) {
76 SSLerr(SSL_F_SSL_USE_CERTIFICATE, ERR_R_MALLOC_FAILURE);
79 return (ssl_set_cert(ssl->cert, x));
82 #ifndef OPENSSL_NO_STDIO
83 int SSL_use_certificate_file(SSL *ssl, const char *file, int type)
90 in = BIO_new(BIO_s_file_internal());
92 SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE, ERR_R_BUF_LIB);
96 if (BIO_read_filename(in, file) <= 0) {
97 SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE, ERR_R_SYS_LIB);
100 if (type == SSL_FILETYPE_ASN1) {
102 x = d2i_X509_bio(in, NULL);
103 } else if (type == SSL_FILETYPE_PEM) {
105 x = PEM_read_bio_X509(in, NULL, ssl->ctx->default_passwd_callback,
106 ssl->ctx->default_passwd_callback_userdata);
108 SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE, SSL_R_BAD_SSL_FILETYPE);
113 SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE, j);
117 ret = SSL_use_certificate(ssl, x);
127 int SSL_use_certificate_ASN1(SSL *ssl, const unsigned char *d, int len)
132 x = d2i_X509(NULL, &d, (long)len);
134 SSLerr(SSL_F_SSL_USE_CERTIFICATE_ASN1, ERR_R_ASN1_LIB);
138 ret = SSL_use_certificate(ssl, x);
143 #ifndef OPENSSL_NO_RSA
144 int SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa)
150 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
153 if (!ssl_cert_inst(&ssl->cert)) {
154 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY, ERR_R_MALLOC_FAILURE);
157 if ((pkey = EVP_PKEY_new()) == NULL) {
158 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY, ERR_R_EVP_LIB);
163 EVP_PKEY_assign_RSA(pkey, rsa);
165 ret = ssl_set_pkey(ssl->cert, pkey);
171 static int ssl_set_pkey(CERT *c, EVP_PKEY *pkey)
175 * Special case for DH: check two DH certificate types for a match. This
176 * means for DH certificates we must set the certificate first.
178 if (pkey->type == EVP_PKEY_DH) {
181 x = c->pkeys[SSL_PKEY_DH_RSA].x509;
182 if (x && X509_check_private_key(x, pkey))
184 x = c->pkeys[SSL_PKEY_DH_DSA].x509;
185 if (i == -1 && x && X509_check_private_key(x, pkey))
189 i = ssl_cert_type(NULL, pkey);
191 SSLerr(SSL_F_SSL_SET_PKEY, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
195 if (c->pkeys[i].x509 != NULL) {
197 pktmp = X509_get_pubkey(c->pkeys[i].x509);
198 EVP_PKEY_copy_parameters(pktmp, pkey);
199 EVP_PKEY_free(pktmp);
202 #ifndef OPENSSL_NO_RSA
204 * Don't check the public/private key, this is mostly for smart
207 if ((pkey->type == EVP_PKEY_RSA) &&
208 (RSA_flags(pkey->pkey.rsa) & RSA_METHOD_FLAG_NO_CHECK)) ;
211 if (!X509_check_private_key(c->pkeys[i].x509, pkey)) {
212 X509_free(c->pkeys[i].x509);
213 c->pkeys[i].x509 = NULL;
218 if (c->pkeys[i].privatekey != NULL)
219 EVP_PKEY_free(c->pkeys[i].privatekey);
220 CRYPTO_add(&pkey->references, 1, CRYPTO_LOCK_EVP_PKEY);
221 c->pkeys[i].privatekey = pkey;
222 c->key = &(c->pkeys[i]);
228 #ifndef OPENSSL_NO_RSA
229 # ifndef OPENSSL_NO_STDIO
230 int SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type)
236 in = BIO_new(BIO_s_file_internal());
238 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, ERR_R_BUF_LIB);
242 if (BIO_read_filename(in, file) <= 0) {
243 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, ERR_R_SYS_LIB);
246 if (type == SSL_FILETYPE_ASN1) {
248 rsa = d2i_RSAPrivateKey_bio(in, NULL);
249 } else if (type == SSL_FILETYPE_PEM) {
251 rsa = PEM_read_bio_RSAPrivateKey(in, NULL,
252 ssl->ctx->default_passwd_callback,
254 ctx->default_passwd_callback_userdata);
256 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
260 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, j);
263 ret = SSL_use_RSAPrivateKey(ssl, rsa);
272 int SSL_use_RSAPrivateKey_ASN1(SSL *ssl, unsigned char *d, long len)
275 const unsigned char *p;
279 if ((rsa = d2i_RSAPrivateKey(NULL, &p, (long)len)) == NULL) {
280 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
284 ret = SSL_use_RSAPrivateKey(ssl, rsa);
288 #endif /* !OPENSSL_NO_RSA */
290 int SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey)
295 SSLerr(SSL_F_SSL_USE_PRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
298 if (!ssl_cert_inst(&ssl->cert)) {
299 SSLerr(SSL_F_SSL_USE_PRIVATEKEY, ERR_R_MALLOC_FAILURE);
302 ret = ssl_set_pkey(ssl->cert, pkey);
306 #ifndef OPENSSL_NO_STDIO
307 int SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type)
311 EVP_PKEY *pkey = NULL;
313 in = BIO_new(BIO_s_file_internal());
315 SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, ERR_R_BUF_LIB);
319 if (BIO_read_filename(in, file) <= 0) {
320 SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, ERR_R_SYS_LIB);
323 if (type == SSL_FILETYPE_PEM) {
325 pkey = PEM_read_bio_PrivateKey(in, NULL,
326 ssl->ctx->default_passwd_callback,
328 ctx->default_passwd_callback_userdata);
329 } else if (type == SSL_FILETYPE_ASN1) {
331 pkey = d2i_PrivateKey_bio(in, NULL);
333 SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
337 SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, j);
340 ret = SSL_use_PrivateKey(ssl, pkey);
349 int SSL_use_PrivateKey_ASN1(int type, SSL *ssl, const unsigned char *d,
353 const unsigned char *p;
357 if ((pkey = d2i_PrivateKey(type, NULL, &p, (long)len)) == NULL) {
358 SSLerr(SSL_F_SSL_USE_PRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
362 ret = SSL_use_PrivateKey(ssl, pkey);
367 int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x)
370 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE, ERR_R_PASSED_NULL_PARAMETER);
373 if (!ssl_cert_inst(&ctx->cert)) {
374 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE, ERR_R_MALLOC_FAILURE);
377 return (ssl_set_cert(ctx->cert, x));
380 static int ssl_set_cert(CERT *c, X509 *x)
385 pkey = X509_get_pubkey(x);
387 SSLerr(SSL_F_SSL_SET_CERT, SSL_R_X509_LIB);
391 i = ssl_cert_type(x, pkey);
393 SSLerr(SSL_F_SSL_SET_CERT, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
398 if (c->pkeys[i].privatekey != NULL) {
399 EVP_PKEY_copy_parameters(pkey, c->pkeys[i].privatekey);
402 #ifndef OPENSSL_NO_RSA
404 * Don't check the public/private key, this is mostly for smart
407 if ((c->pkeys[i].privatekey->type == EVP_PKEY_RSA) &&
408 (RSA_flags(c->pkeys[i].privatekey->pkey.rsa) &
409 RSA_METHOD_FLAG_NO_CHECK)) ;
411 #endif /* OPENSSL_NO_RSA */
412 if (!X509_check_private_key(x, c->pkeys[i].privatekey)) {
414 * don't fail for a cert/key mismatch, just free current private
415 * key (when switching to a different cert & key, first this
416 * function should be used, then ssl_set_pkey
418 EVP_PKEY_free(c->pkeys[i].privatekey);
419 c->pkeys[i].privatekey = NULL;
420 /* clear error queue */
427 if (c->pkeys[i].x509 != NULL)
428 X509_free(c->pkeys[i].x509);
429 CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
430 c->pkeys[i].x509 = x;
431 c->key = &(c->pkeys[i]);
437 #ifndef OPENSSL_NO_STDIO
438 int SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, int type)
445 in = BIO_new(BIO_s_file_internal());
447 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, ERR_R_BUF_LIB);
451 if (BIO_read_filename(in, file) <= 0) {
452 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, ERR_R_SYS_LIB);
455 if (type == SSL_FILETYPE_ASN1) {
457 x = d2i_X509_bio(in, NULL);
458 } else if (type == SSL_FILETYPE_PEM) {
460 x = PEM_read_bio_X509(in, NULL, ctx->default_passwd_callback,
461 ctx->default_passwd_callback_userdata);
463 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, SSL_R_BAD_SSL_FILETYPE);
468 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, j);
472 ret = SSL_CTX_use_certificate(ctx, x);
482 int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len,
483 const unsigned char *d)
488 x = d2i_X509(NULL, &d, (long)len);
490 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_ASN1, ERR_R_ASN1_LIB);
494 ret = SSL_CTX_use_certificate(ctx, x);
499 #ifndef OPENSSL_NO_RSA
500 int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa)
506 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
509 if (!ssl_cert_inst(&ctx->cert)) {
510 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY, ERR_R_MALLOC_FAILURE);
513 if ((pkey = EVP_PKEY_new()) == NULL) {
514 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY, ERR_R_EVP_LIB);
519 EVP_PKEY_assign_RSA(pkey, rsa);
521 ret = ssl_set_pkey(ctx->cert, pkey);
526 # ifndef OPENSSL_NO_STDIO
527 int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file, int type)
533 in = BIO_new(BIO_s_file_internal());
535 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, ERR_R_BUF_LIB);
539 if (BIO_read_filename(in, file) <= 0) {
540 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, ERR_R_SYS_LIB);
543 if (type == SSL_FILETYPE_ASN1) {
545 rsa = d2i_RSAPrivateKey_bio(in, NULL);
546 } else if (type == SSL_FILETYPE_PEM) {
548 rsa = PEM_read_bio_RSAPrivateKey(in, NULL,
549 ctx->default_passwd_callback,
550 ctx->default_passwd_callback_userdata);
552 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
556 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, j);
559 ret = SSL_CTX_use_RSAPrivateKey(ctx, rsa);
568 int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d,
572 const unsigned char *p;
576 if ((rsa = d2i_RSAPrivateKey(NULL, &p, (long)len)) == NULL) {
577 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
581 ret = SSL_CTX_use_RSAPrivateKey(ctx, rsa);
585 #endif /* !OPENSSL_NO_RSA */
587 int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey)
590 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
593 if (!ssl_cert_inst(&ctx->cert)) {
594 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY, ERR_R_MALLOC_FAILURE);
597 return (ssl_set_pkey(ctx->cert, pkey));
600 #ifndef OPENSSL_NO_STDIO
601 int SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, int type)
605 EVP_PKEY *pkey = NULL;
607 in = BIO_new(BIO_s_file_internal());
609 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, ERR_R_BUF_LIB);
613 if (BIO_read_filename(in, file) <= 0) {
614 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, ERR_R_SYS_LIB);
617 if (type == SSL_FILETYPE_PEM) {
619 pkey = PEM_read_bio_PrivateKey(in, NULL,
620 ctx->default_passwd_callback,
621 ctx->default_passwd_callback_userdata);
622 } else if (type == SSL_FILETYPE_ASN1) {
624 pkey = d2i_PrivateKey_bio(in, NULL);
626 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
630 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, j);
633 ret = SSL_CTX_use_PrivateKey(ctx, pkey);
642 int SSL_CTX_use_PrivateKey_ASN1(int type, SSL_CTX *ctx,
643 const unsigned char *d, long len)
646 const unsigned char *p;
650 if ((pkey = d2i_PrivateKey(type, NULL, &p, (long)len)) == NULL) {
651 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
655 ret = SSL_CTX_use_PrivateKey(ctx, pkey);
660 #ifndef OPENSSL_NO_STDIO
662 * Read a file that contains our certificate in "PEM" format, possibly
663 * followed by a sequence of CA certificates that should be sent to the peer
664 * in the Certificate message.
666 int SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file)
672 ERR_clear_error(); /* clear error stack for
673 * SSL_CTX_use_certificate() */
675 in = BIO_new(BIO_s_file_internal());
677 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE, ERR_R_BUF_LIB);
681 if (BIO_read_filename(in, file) <= 0) {
682 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE, ERR_R_SYS_LIB);
686 x = PEM_read_bio_X509_AUX(in, NULL, ctx->default_passwd_callback,
687 ctx->default_passwd_callback_userdata);
689 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE, ERR_R_PEM_LIB);
693 ret = SSL_CTX_use_certificate(ctx, x);
695 if (ERR_peek_error() != 0)
696 ret = 0; /* Key/certificate mismatch doesn't imply
700 * If we could set up our certificate, now proceed to the CA
707 SSL_CTX_clear_chain_certs(ctx);
709 while ((ca = PEM_read_bio_X509(in, NULL,
710 ctx->default_passwd_callback,
711 ctx->default_passwd_callback_userdata))
713 r = SSL_CTX_add0_chain_cert(ctx, ca);
720 * Note that we must not free r if it was successfully added to
721 * the chain (while we must free the main certificate, since its
722 * reference count is increased by SSL_CTX_use_certificate).
725 /* When the while loop ends, it's usually just EOF. */
726 err = ERR_peek_last_error();
727 if (ERR_GET_LIB(err) == ERR_LIB_PEM
728 && ERR_GET_REASON(err) == PEM_R_NO_START_LINE)
731 ret = 0; /* some real error */
743 #ifndef OPENSSL_NO_TLSEXT
744 static int serverinfo_find_extension(const unsigned char *serverinfo,
745 size_t serverinfo_length,
746 unsigned int extension_type,
747 const unsigned char **extension_data,
748 size_t *extension_length)
750 *extension_data = NULL;
751 *extension_length = 0;
752 if (serverinfo == NULL || serverinfo_length == 0)
755 unsigned int type = 0;
758 /* end of serverinfo */
759 if (serverinfo_length == 0)
760 return -1; /* Extension not found */
762 /* read 2-byte type field */
763 if (serverinfo_length < 2)
764 return 0; /* Error */
765 type = (serverinfo[0] << 8) + serverinfo[1];
767 serverinfo_length -= 2;
769 /* read 2-byte len field */
770 if (serverinfo_length < 2)
771 return 0; /* Error */
772 len = (serverinfo[0] << 8) + serverinfo[1];
774 serverinfo_length -= 2;
776 if (len > serverinfo_length)
777 return 0; /* Error */
779 if (type == extension_type) {
780 *extension_data = serverinfo;
781 *extension_length = len;
782 return 1; /* Success */
786 serverinfo_length -= len;
788 return 0; /* Error */
791 static int serverinfo_srv_parse_cb(SSL *s, unsigned int ext_type,
792 const unsigned char *in,
793 size_t inlen, int *al, void *arg)
797 *al = SSL_AD_DECODE_ERROR;
804 static int serverinfo_srv_add_cb(SSL *s, unsigned int ext_type,
805 const unsigned char **out, size_t *outlen,
808 const unsigned char *serverinfo = NULL;
809 size_t serverinfo_length = 0;
811 /* Is there serverinfo data for the chosen server cert? */
812 if ((ssl_get_server_cert_serverinfo(s, &serverinfo,
813 &serverinfo_length)) != 0) {
814 /* Find the relevant extension from the serverinfo */
815 int retval = serverinfo_find_extension(serverinfo, serverinfo_length,
816 ext_type, out, outlen);
818 return 0; /* Error */
820 return -1; /* No extension found, don't send extension */
821 return 1; /* Send extension */
823 return -1; /* No serverinfo data found, don't send
828 * With a NULL context, this function just checks that the serverinfo data
829 * parses correctly. With a non-NULL context, it registers callbacks for
830 * the included extensions.
832 static int serverinfo_process_buffer(const unsigned char *serverinfo,
833 size_t serverinfo_length, SSL_CTX *ctx)
835 if (serverinfo == NULL || serverinfo_length == 0)
838 unsigned int ext_type = 0;
841 /* end of serverinfo */
842 if (serverinfo_length == 0)
845 /* read 2-byte type field */
846 if (serverinfo_length < 2)
848 /* FIXME: check for types we understand explicitly? */
850 /* Register callbacks for extensions */
851 ext_type = (serverinfo[0] << 8) + serverinfo[1];
852 if (ctx && !SSL_CTX_add_server_custom_ext(ctx, ext_type,
853 serverinfo_srv_add_cb,
855 serverinfo_srv_parse_cb,
860 serverinfo_length -= 2;
862 /* read 2-byte len field */
863 if (serverinfo_length < 2)
865 len = (serverinfo[0] << 8) + serverinfo[1];
867 serverinfo_length -= 2;
869 if (len > serverinfo_length)
873 serverinfo_length -= len;
877 int SSL_CTX_use_serverinfo(SSL_CTX *ctx, const unsigned char *serverinfo,
878 size_t serverinfo_length)
880 if (ctx == NULL || serverinfo == NULL || serverinfo_length == 0) {
881 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO, ERR_R_PASSED_NULL_PARAMETER);
884 if (!serverinfo_process_buffer(serverinfo, serverinfo_length, NULL)) {
885 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO, SSL_R_INVALID_SERVERINFO_DATA);
888 if (!ssl_cert_inst(&ctx->cert)) {
889 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO, ERR_R_MALLOC_FAILURE);
892 if (ctx->cert->key == NULL) {
893 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO, ERR_R_INTERNAL_ERROR);
896 ctx->cert->key->serverinfo = OPENSSL_realloc(ctx->cert->key->serverinfo,
898 if (ctx->cert->key->serverinfo == NULL) {
899 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO, ERR_R_MALLOC_FAILURE);
902 memcpy(ctx->cert->key->serverinfo, serverinfo, serverinfo_length);
903 ctx->cert->key->serverinfo_length = serverinfo_length;
906 * Now that the serverinfo is validated and stored, go ahead and
907 * register callbacks.
909 if (!serverinfo_process_buffer(serverinfo, serverinfo_length, ctx)) {
910 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO, SSL_R_INVALID_SERVERINFO_DATA);
916 # ifndef OPENSSL_NO_STDIO
917 int SSL_CTX_use_serverinfo_file(SSL_CTX *ctx, const char *file)
919 unsigned char *serverinfo = NULL;
920 size_t serverinfo_length = 0;
921 unsigned char *extension = 0;
922 long extension_length = 0;
925 char namePrefix[] = "SERVERINFO FOR ";
928 size_t num_extensions = 0;
930 if (ctx == NULL || file == NULL) {
931 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE,
932 ERR_R_PASSED_NULL_PARAMETER);
936 bin = BIO_new(BIO_s_file_internal());
938 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, ERR_R_BUF_LIB);
941 if (BIO_read_filename(bin, file) <= 0) {
942 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, ERR_R_SYS_LIB);
946 for (num_extensions = 0;; num_extensions++) {
947 if (PEM_read_bio(bin, &name, &header, &extension, &extension_length)
950 * There must be at least one extension in this file
952 if (num_extensions == 0) {
953 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE,
954 SSL_R_NO_PEM_EXTENSIONS);
956 } else /* End of file, we're done */
959 /* Check that PEM name starts with "BEGIN SERVERINFO FOR " */
960 if (strlen(name) < strlen(namePrefix)) {
961 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE,
962 SSL_R_PEM_NAME_TOO_SHORT);
965 if (strncmp(name, namePrefix, strlen(namePrefix)) != 0) {
966 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE,
967 SSL_R_PEM_NAME_BAD_PREFIX);
971 * Check that the decoded PEM data is plausible (valid length field)
973 if (extension_length < 4
974 || (extension[2] << 8) + extension[3] != extension_length - 4) {
975 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, SSL_R_BAD_DATA);
978 /* Append the decoded extension to the serverinfo buffer */
980 OPENSSL_realloc(serverinfo, serverinfo_length + extension_length);
981 if (serverinfo == NULL) {
982 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, ERR_R_MALLOC_FAILURE);
985 memcpy(serverinfo + serverinfo_length, extension, extension_length);
986 serverinfo_length += extension_length;
990 OPENSSL_free(header);
992 OPENSSL_free(extension);
996 ret = SSL_CTX_use_serverinfo(ctx, serverinfo, serverinfo_length);
998 /* SSL_CTX_use_serverinfo makes a local copy of the serverinfo. */
1000 OPENSSL_free(header);
1001 OPENSSL_free(extension);
1002 OPENSSL_free(serverinfo);
1007 # endif /* OPENSSL_NO_STDIO */
1008 #endif /* OPENSSL_NO_TLSEXT */