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)
73 SSLerr(SSL_F_SSL_USE_CERTIFICATE, ERR_R_PASSED_NULL_PARAMETER);
76 rv = ssl_security_cert(ssl, NULL, x, 0, 1);
78 SSLerr(SSL_F_SSL_USE_CERTIFICATE, rv);
82 return (ssl_set_cert(ssl->cert, x));
85 #ifndef OPENSSL_NO_STDIO
86 int SSL_use_certificate_file(SSL *ssl, const char *file, int type)
93 in = BIO_new(BIO_s_file());
95 SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE, ERR_R_BUF_LIB);
99 if (BIO_read_filename(in, file) <= 0) {
100 SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE, ERR_R_SYS_LIB);
103 if (type == SSL_FILETYPE_ASN1) {
105 x = d2i_X509_bio(in, NULL);
106 } else if (type == SSL_FILETYPE_PEM) {
108 x = PEM_read_bio_X509(in, NULL, ssl->ctx->default_passwd_callback,
109 ssl->ctx->default_passwd_callback_userdata);
111 SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE, SSL_R_BAD_SSL_FILETYPE);
116 SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE, j);
120 ret = SSL_use_certificate(ssl, x);
128 int SSL_use_certificate_ASN1(SSL *ssl, const unsigned char *d, int len)
133 x = d2i_X509(NULL, &d, (long)len);
135 SSLerr(SSL_F_SSL_USE_CERTIFICATE_ASN1, ERR_R_ASN1_LIB);
139 ret = SSL_use_certificate(ssl, x);
144 #ifndef OPENSSL_NO_RSA
145 int SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa)
151 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
154 if ((pkey = EVP_PKEY_new()) == NULL) {
155 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY, ERR_R_EVP_LIB);
160 if (EVP_PKEY_assign_RSA(pkey, rsa) <= 0) {
165 ret = ssl_set_pkey(ssl->cert, pkey);
171 static int ssl_set_pkey(CERT *c, EVP_PKEY *pkey)
174 i = ssl_cert_type(NULL, pkey);
176 SSLerr(SSL_F_SSL_SET_PKEY, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
180 if (c->pkeys[i].x509 != NULL) {
182 pktmp = X509_get0_pubkey(c->pkeys[i].x509);
184 SSLerr(SSL_F_SSL_SET_PKEY, ERR_R_MALLOC_FAILURE);
188 * The return code from EVP_PKEY_copy_parameters is deliberately
189 * ignored. Some EVP_PKEY types cannot do this.
191 EVP_PKEY_copy_parameters(pktmp, pkey);
194 #ifndef OPENSSL_NO_RSA
196 * Don't check the public/private key, this is mostly for smart
199 if (EVP_PKEY_id(pkey) == EVP_PKEY_RSA
200 && RSA_flags(EVP_PKEY_get0_RSA(pkey)) & RSA_METHOD_FLAG_NO_CHECK);
203 if (!X509_check_private_key(c->pkeys[i].x509, pkey)) {
204 X509_free(c->pkeys[i].x509);
205 c->pkeys[i].x509 = NULL;
210 EVP_PKEY_free(c->pkeys[i].privatekey);
211 EVP_PKEY_up_ref(pkey);
212 c->pkeys[i].privatekey = pkey;
213 c->key = &(c->pkeys[i]);
217 #ifndef OPENSSL_NO_RSA
218 # ifndef OPENSSL_NO_STDIO
219 int SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type)
225 in = BIO_new(BIO_s_file());
227 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, ERR_R_BUF_LIB);
231 if (BIO_read_filename(in, file) <= 0) {
232 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, ERR_R_SYS_LIB);
235 if (type == SSL_FILETYPE_ASN1) {
237 rsa = d2i_RSAPrivateKey_bio(in, NULL);
238 } else if (type == SSL_FILETYPE_PEM) {
240 rsa = PEM_read_bio_RSAPrivateKey(in, NULL,
241 ssl->ctx->default_passwd_callback,
243 ctx->default_passwd_callback_userdata);
245 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
249 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, j);
252 ret = SSL_use_RSAPrivateKey(ssl, rsa);
260 int SSL_use_RSAPrivateKey_ASN1(SSL *ssl, const unsigned char *d, long len)
263 const unsigned char *p;
267 if ((rsa = d2i_RSAPrivateKey(NULL, &p, (long)len)) == NULL) {
268 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
272 ret = SSL_use_RSAPrivateKey(ssl, rsa);
276 #endif /* !OPENSSL_NO_RSA */
278 int SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey)
283 SSLerr(SSL_F_SSL_USE_PRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
286 ret = ssl_set_pkey(ssl->cert, pkey);
290 #ifndef OPENSSL_NO_STDIO
291 int SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type)
295 EVP_PKEY *pkey = NULL;
297 in = BIO_new(BIO_s_file());
299 SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, ERR_R_BUF_LIB);
303 if (BIO_read_filename(in, file) <= 0) {
304 SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, ERR_R_SYS_LIB);
307 if (type == SSL_FILETYPE_PEM) {
309 pkey = PEM_read_bio_PrivateKey(in, NULL,
310 ssl->ctx->default_passwd_callback,
312 ctx->default_passwd_callback_userdata);
313 } else if (type == SSL_FILETYPE_ASN1) {
315 pkey = d2i_PrivateKey_bio(in, NULL);
317 SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
321 SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, j);
324 ret = SSL_use_PrivateKey(ssl, pkey);
332 int SSL_use_PrivateKey_ASN1(int type, SSL *ssl, const unsigned char *d,
336 const unsigned char *p;
340 if ((pkey = d2i_PrivateKey(type, NULL, &p, (long)len)) == NULL) {
341 SSLerr(SSL_F_SSL_USE_PRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
345 ret = SSL_use_PrivateKey(ssl, pkey);
350 int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x)
354 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE, ERR_R_PASSED_NULL_PARAMETER);
357 rv = ssl_security_cert(NULL, ctx, x, 0, 1);
359 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE, rv);
362 return (ssl_set_cert(ctx->cert, x));
365 static int ssl_set_cert(CERT *c, X509 *x)
370 pkey = X509_get0_pubkey(x);
372 SSLerr(SSL_F_SSL_SET_CERT, SSL_R_X509_LIB);
376 i = ssl_cert_type(x, pkey);
378 SSLerr(SSL_F_SSL_SET_CERT, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
382 if (c->pkeys[i].privatekey != NULL) {
384 * The return code from EVP_PKEY_copy_parameters is deliberately
385 * ignored. Some EVP_PKEY types cannot do this.
387 EVP_PKEY_copy_parameters(pkey, c->pkeys[i].privatekey);
390 #ifndef OPENSSL_NO_RSA
392 * Don't check the public/private key, this is mostly for smart
395 if (EVP_PKEY_id(c->pkeys[i].privatekey) == EVP_PKEY_RSA
396 && RSA_flags(EVP_PKEY_get0_RSA(c->pkeys[i].privatekey)) &
397 RSA_METHOD_FLAG_NO_CHECK) ;
399 #endif /* OPENSSL_NO_RSA */
400 if (!X509_check_private_key(x, c->pkeys[i].privatekey)) {
402 * don't fail for a cert/key mismatch, just free current private
403 * key (when switching to a different cert & key, first this
404 * function should be used, then ssl_set_pkey
406 EVP_PKEY_free(c->pkeys[i].privatekey);
407 c->pkeys[i].privatekey = NULL;
408 /* clear error queue */
413 X509_free(c->pkeys[i].x509);
415 c->pkeys[i].x509 = x;
416 c->key = &(c->pkeys[i]);
421 #ifndef OPENSSL_NO_STDIO
422 int SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, int type)
429 in = BIO_new(BIO_s_file());
431 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, ERR_R_BUF_LIB);
435 if (BIO_read_filename(in, file) <= 0) {
436 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, ERR_R_SYS_LIB);
439 if (type == SSL_FILETYPE_ASN1) {
441 x = d2i_X509_bio(in, NULL);
442 } else if (type == SSL_FILETYPE_PEM) {
444 x = PEM_read_bio_X509(in, NULL, ctx->default_passwd_callback,
445 ctx->default_passwd_callback_userdata);
447 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, SSL_R_BAD_SSL_FILETYPE);
452 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, j);
456 ret = SSL_CTX_use_certificate(ctx, x);
464 int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len,
465 const unsigned char *d)
470 x = d2i_X509(NULL, &d, (long)len);
472 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_ASN1, ERR_R_ASN1_LIB);
476 ret = SSL_CTX_use_certificate(ctx, x);
481 #ifndef OPENSSL_NO_RSA
482 int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa)
488 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
491 if ((pkey = EVP_PKEY_new()) == NULL) {
492 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY, ERR_R_EVP_LIB);
497 if (EVP_PKEY_assign_RSA(pkey, rsa) <= 0) {
502 ret = ssl_set_pkey(ctx->cert, pkey);
507 # ifndef OPENSSL_NO_STDIO
508 int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file, int type)
514 in = BIO_new(BIO_s_file());
516 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, ERR_R_BUF_LIB);
520 if (BIO_read_filename(in, file) <= 0) {
521 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, ERR_R_SYS_LIB);
524 if (type == SSL_FILETYPE_ASN1) {
526 rsa = d2i_RSAPrivateKey_bio(in, NULL);
527 } else if (type == SSL_FILETYPE_PEM) {
529 rsa = PEM_read_bio_RSAPrivateKey(in, NULL,
530 ctx->default_passwd_callback,
531 ctx->default_passwd_callback_userdata);
533 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
537 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, j);
540 ret = SSL_CTX_use_RSAPrivateKey(ctx, rsa);
548 int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d,
552 const unsigned char *p;
556 if ((rsa = d2i_RSAPrivateKey(NULL, &p, (long)len)) == NULL) {
557 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
561 ret = SSL_CTX_use_RSAPrivateKey(ctx, rsa);
565 #endif /* !OPENSSL_NO_RSA */
567 int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey)
570 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
573 return (ssl_set_pkey(ctx->cert, pkey));
576 #ifndef OPENSSL_NO_STDIO
577 int SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, int type)
581 EVP_PKEY *pkey = NULL;
583 in = BIO_new(BIO_s_file());
585 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, ERR_R_BUF_LIB);
589 if (BIO_read_filename(in, file) <= 0) {
590 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, ERR_R_SYS_LIB);
593 if (type == SSL_FILETYPE_PEM) {
595 pkey = PEM_read_bio_PrivateKey(in, NULL,
596 ctx->default_passwd_callback,
597 ctx->default_passwd_callback_userdata);
598 } else if (type == SSL_FILETYPE_ASN1) {
600 pkey = d2i_PrivateKey_bio(in, NULL);
602 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
606 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, j);
609 ret = SSL_CTX_use_PrivateKey(ctx, pkey);
617 int SSL_CTX_use_PrivateKey_ASN1(int type, SSL_CTX *ctx,
618 const unsigned char *d, long len)
621 const unsigned char *p;
625 if ((pkey = d2i_PrivateKey(type, NULL, &p, (long)len)) == NULL) {
626 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
630 ret = SSL_CTX_use_PrivateKey(ctx, pkey);
635 #ifndef OPENSSL_NO_STDIO
637 * Read a file that contains our certificate in "PEM" format, possibly
638 * followed by a sequence of CA certificates that should be sent to the peer
639 * in the Certificate message.
641 static int use_certificate_chain_file(SSL_CTX *ctx, SSL *ssl, const char *file)
646 pem_password_cb *passwd_callback;
647 void *passwd_callback_userdata;
649 ERR_clear_error(); /* clear error stack for
650 * SSL_CTX_use_certificate() */
653 passwd_callback = ctx->default_passwd_callback;
654 passwd_callback_userdata = ctx->default_passwd_callback_userdata;
656 passwd_callback = ssl->default_passwd_callback;
657 passwd_callback_userdata = ssl->default_passwd_callback_userdata;
660 in = BIO_new(BIO_s_file());
662 SSLerr(SSL_F_USE_CERTIFICATE_CHAIN_FILE, ERR_R_BUF_LIB);
666 if (BIO_read_filename(in, file) <= 0) {
667 SSLerr(SSL_F_USE_CERTIFICATE_CHAIN_FILE, ERR_R_SYS_LIB);
671 x = PEM_read_bio_X509_AUX(in, NULL, passwd_callback,
672 passwd_callback_userdata);
674 SSLerr(SSL_F_USE_CERTIFICATE_CHAIN_FILE, ERR_R_PEM_LIB);
679 ret = SSL_CTX_use_certificate(ctx, x);
681 ret = SSL_use_certificate(ssl, x);
683 if (ERR_peek_error() != 0)
684 ret = 0; /* Key/certificate mismatch doesn't imply
688 * If we could set up our certificate, now proceed to the CA
696 r = SSL_CTX_clear_chain_certs(ctx);
698 r = SSL_clear_chain_certs(ssl);
705 while ((ca = PEM_read_bio_X509(in, NULL, passwd_callback,
706 passwd_callback_userdata))
709 r = SSL_CTX_add0_chain_cert(ctx, ca);
711 r = SSL_add0_chain_cert(ssl, ca);
713 * Note that we must not free ca if it was successfully added to
714 * the chain (while we must free the main certificate, since its
715 * reference count is increased by SSL_CTX_use_certificate).
723 /* When the while loop ends, it's usually just EOF. */
724 err = ERR_peek_last_error();
725 if (ERR_GET_LIB(err) == ERR_LIB_PEM
726 && ERR_GET_REASON(err) == PEM_R_NO_START_LINE)
729 ret = 0; /* some real error */
738 int SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file)
740 return use_certificate_chain_file(ctx, NULL, file);
743 int SSL_use_certificate_chain_file(SSL *ssl, const char *file)
745 return use_certificate_chain_file(NULL, ssl, file);
749 static int serverinfo_find_extension(const unsigned char *serverinfo,
750 size_t serverinfo_length,
751 unsigned int extension_type,
752 const unsigned char **extension_data,
753 size_t *extension_length)
755 *extension_data = NULL;
756 *extension_length = 0;
757 if (serverinfo == NULL || serverinfo_length == 0)
760 unsigned int type = 0;
763 /* end of serverinfo */
764 if (serverinfo_length == 0)
765 return 0; /* Extension not found */
767 /* read 2-byte type field */
768 if (serverinfo_length < 2)
769 return -1; /* Error */
770 type = (serverinfo[0] << 8) + serverinfo[1];
772 serverinfo_length -= 2;
774 /* read 2-byte len field */
775 if (serverinfo_length < 2)
776 return -1; /* Error */
777 len = (serverinfo[0] << 8) + serverinfo[1];
779 serverinfo_length -= 2;
781 if (len > serverinfo_length)
782 return -1; /* Error */
784 if (type == extension_type) {
785 *extension_data = serverinfo;
786 *extension_length = len;
787 return 1; /* Success */
791 serverinfo_length -= len;
796 static int serverinfo_srv_parse_cb(SSL *s, unsigned int ext_type,
797 const unsigned char *in,
798 size_t inlen, int *al, void *arg)
802 *al = SSL_AD_DECODE_ERROR;
809 static int serverinfo_srv_add_cb(SSL *s, unsigned int ext_type,
810 const unsigned char **out, size_t *outlen,
813 const unsigned char *serverinfo = NULL;
814 size_t serverinfo_length = 0;
816 /* Is there serverinfo data for the chosen server cert? */
817 if ((ssl_get_server_cert_serverinfo(s, &serverinfo,
818 &serverinfo_length)) != 0) {
819 /* Find the relevant extension from the serverinfo */
820 int retval = serverinfo_find_extension(serverinfo, serverinfo_length,
821 ext_type, out, outlen);
823 *al = SSL_AD_DECODE_ERROR;
824 return -1; /* Error */
827 return 0; /* No extension found, don't send extension */
828 return 1; /* Send extension */
830 return -1; /* No serverinfo data found, don't send
835 * With a NULL context, this function just checks that the serverinfo data
836 * parses correctly. With a non-NULL context, it registers callbacks for
837 * the included extensions.
839 static int serverinfo_process_buffer(const unsigned char *serverinfo,
840 size_t serverinfo_length, SSL_CTX *ctx)
842 if (serverinfo == NULL || serverinfo_length == 0)
845 unsigned int ext_type = 0;
848 /* end of serverinfo */
849 if (serverinfo_length == 0)
852 /* read 2-byte type field */
853 if (serverinfo_length < 2)
855 /* FIXME: check for types we understand explicitly? */
857 /* Register callbacks for extensions */
858 ext_type = (serverinfo[0] << 8) + serverinfo[1];
859 if (ctx && !SSL_CTX_add_server_custom_ext(ctx, ext_type,
860 serverinfo_srv_add_cb,
862 serverinfo_srv_parse_cb,
867 serverinfo_length -= 2;
869 /* read 2-byte len field */
870 if (serverinfo_length < 2)
872 len = (serverinfo[0] << 8) + serverinfo[1];
874 serverinfo_length -= 2;
876 if (len > serverinfo_length)
880 serverinfo_length -= len;
884 int SSL_CTX_use_serverinfo(SSL_CTX *ctx, const unsigned char *serverinfo,
885 size_t serverinfo_length)
887 unsigned char *new_serverinfo;
889 if (ctx == NULL || serverinfo == NULL || serverinfo_length == 0) {
890 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO, ERR_R_PASSED_NULL_PARAMETER);
893 if (!serverinfo_process_buffer(serverinfo, serverinfo_length, NULL)) {
894 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO, SSL_R_INVALID_SERVERINFO_DATA);
897 if (ctx->cert->key == NULL) {
898 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO, ERR_R_INTERNAL_ERROR);
901 new_serverinfo = OPENSSL_realloc(ctx->cert->key->serverinfo,
903 if (new_serverinfo == NULL) {
904 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO, ERR_R_MALLOC_FAILURE);
907 ctx->cert->key->serverinfo = new_serverinfo;
908 memcpy(ctx->cert->key->serverinfo, serverinfo, serverinfo_length);
909 ctx->cert->key->serverinfo_length = serverinfo_length;
912 * Now that the serverinfo is validated and stored, go ahead and
913 * register callbacks.
915 if (!serverinfo_process_buffer(serverinfo, serverinfo_length, ctx)) {
916 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO, SSL_R_INVALID_SERVERINFO_DATA);
922 int SSL_CTX_use_serverinfo_file(SSL_CTX *ctx, const char *file)
924 unsigned char *serverinfo = NULL;
925 size_t serverinfo_length = 0;
926 unsigned char *extension = 0;
927 long extension_length = 0;
930 char namePrefix[] = "SERVERINFO FOR ";
933 size_t num_extensions = 0;
935 if (ctx == NULL || file == NULL) {
936 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE,
937 ERR_R_PASSED_NULL_PARAMETER);
941 bin = BIO_new(BIO_s_file());
943 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, ERR_R_BUF_LIB);
946 if (BIO_read_filename(bin, file) <= 0) {
947 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, ERR_R_SYS_LIB);
951 for (num_extensions = 0;; num_extensions++) {
952 if (PEM_read_bio(bin, &name, &header, &extension, &extension_length)
955 * There must be at least one extension in this file
957 if (num_extensions == 0) {
958 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE,
959 SSL_R_NO_PEM_EXTENSIONS);
961 } else /* End of file, we're done */
964 /* Check that PEM name starts with "BEGIN SERVERINFO FOR " */
965 if (strlen(name) < strlen(namePrefix)) {
966 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE,
967 SSL_R_PEM_NAME_TOO_SHORT);
970 if (strncmp(name, namePrefix, strlen(namePrefix)) != 0) {
971 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE,
972 SSL_R_PEM_NAME_BAD_PREFIX);
976 * Check that the decoded PEM data is plausible (valid length field)
978 if (extension_length < 4
979 || (extension[2] << 8) + extension[3] != extension_length - 4) {
980 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, SSL_R_BAD_DATA);
983 /* Append the decoded extension to the serverinfo buffer */
985 OPENSSL_realloc(serverinfo, serverinfo_length + extension_length);
986 if (serverinfo == NULL) {
987 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, ERR_R_MALLOC_FAILURE);
990 memcpy(serverinfo + serverinfo_length, extension, extension_length);
991 serverinfo_length += extension_length;
995 OPENSSL_free(header);
997 OPENSSL_free(extension);
1001 ret = SSL_CTX_use_serverinfo(ctx, serverinfo, serverinfo_length);
1003 /* SSL_CTX_use_serverinfo makes a local copy of the serverinfo. */
1005 OPENSSL_free(header);
1006 OPENSSL_free(extension);
1007 OPENSSL_free(serverinfo);