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)
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);
199 SSLerr(SSL_F_SSL_SET_PKEY, ERR_R_MALLOC_FAILURE);
200 EVP_PKEY_free(pktmp);
204 * The return code from EVP_PKEY_copy_parameters is deliberately
205 * ignored. Some EVP_PKEY types cannot do this.
207 EVP_PKEY_copy_parameters(pktmp, pkey);
208 EVP_PKEY_free(pktmp);
211 #ifndef OPENSSL_NO_RSA
213 * Don't check the public/private key, this is mostly for smart
216 if ((pkey->type == EVP_PKEY_RSA) &&
217 (RSA_flags(pkey->pkey.rsa) & RSA_METHOD_FLAG_NO_CHECK)) ;
220 if (!X509_check_private_key(c->pkeys[i].x509, pkey)) {
221 X509_free(c->pkeys[i].x509);
222 c->pkeys[i].x509 = NULL;
227 EVP_PKEY_free(c->pkeys[i].privatekey);
228 CRYPTO_add(&pkey->references, 1, CRYPTO_LOCK_EVP_PKEY);
229 c->pkeys[i].privatekey = pkey;
230 c->key = &(c->pkeys[i]);
234 #ifndef OPENSSL_NO_RSA
235 # ifndef OPENSSL_NO_STDIO
236 int SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type)
242 in = BIO_new(BIO_s_file());
244 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, ERR_R_BUF_LIB);
248 if (BIO_read_filename(in, file) <= 0) {
249 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, ERR_R_SYS_LIB);
252 if (type == SSL_FILETYPE_ASN1) {
254 rsa = d2i_RSAPrivateKey_bio(in, NULL);
255 } else if (type == SSL_FILETYPE_PEM) {
257 rsa = PEM_read_bio_RSAPrivateKey(in, NULL,
258 ssl->ctx->default_passwd_callback,
260 ctx->default_passwd_callback_userdata);
262 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
266 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, j);
269 ret = SSL_use_RSAPrivateKey(ssl, rsa);
277 int SSL_use_RSAPrivateKey_ASN1(SSL *ssl, const unsigned char *d, long len)
280 const unsigned char *p;
284 if ((rsa = d2i_RSAPrivateKey(NULL, &p, (long)len)) == NULL) {
285 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
289 ret = SSL_use_RSAPrivateKey(ssl, rsa);
293 #endif /* !OPENSSL_NO_RSA */
295 int SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey)
300 SSLerr(SSL_F_SSL_USE_PRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
303 ret = ssl_set_pkey(ssl->cert, pkey);
307 #ifndef OPENSSL_NO_STDIO
308 int SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type)
312 EVP_PKEY *pkey = NULL;
314 in = BIO_new(BIO_s_file());
316 SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, ERR_R_BUF_LIB);
320 if (BIO_read_filename(in, file) <= 0) {
321 SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, ERR_R_SYS_LIB);
324 if (type == SSL_FILETYPE_PEM) {
326 pkey = PEM_read_bio_PrivateKey(in, NULL,
327 ssl->ctx->default_passwd_callback,
329 ctx->default_passwd_callback_userdata);
330 } else if (type == SSL_FILETYPE_ASN1) {
332 pkey = d2i_PrivateKey_bio(in, NULL);
334 SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
338 SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, j);
341 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)
371 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE, ERR_R_PASSED_NULL_PARAMETER);
374 rv = ssl_security_cert(NULL, ctx, x, 0, 1);
376 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE, rv);
379 return (ssl_set_cert(ctx->cert, x));
382 static int ssl_set_cert(CERT *c, X509 *x)
387 pkey = X509_get_pubkey(x);
389 SSLerr(SSL_F_SSL_SET_CERT, SSL_R_X509_LIB);
393 i = ssl_cert_type(x, pkey);
395 SSLerr(SSL_F_SSL_SET_CERT, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
400 if (c->pkeys[i].privatekey != NULL) {
402 * The return code from EVP_PKEY_copy_parameters is deliberately
403 * ignored. Some EVP_PKEY types cannot do this.
405 EVP_PKEY_copy_parameters(pkey, c->pkeys[i].privatekey);
408 #ifndef OPENSSL_NO_RSA
410 * Don't check the public/private key, this is mostly for smart
413 if ((c->pkeys[i].privatekey->type == EVP_PKEY_RSA) &&
414 (RSA_flags(c->pkeys[i].privatekey->pkey.rsa) &
415 RSA_METHOD_FLAG_NO_CHECK)) ;
417 #endif /* OPENSSL_NO_RSA */
418 if (!X509_check_private_key(x, c->pkeys[i].privatekey)) {
420 * don't fail for a cert/key mismatch, just free current private
421 * key (when switching to a different cert & key, first this
422 * function should be used, then ssl_set_pkey
424 EVP_PKEY_free(c->pkeys[i].privatekey);
425 c->pkeys[i].privatekey = NULL;
426 /* clear error queue */
433 X509_free(c->pkeys[i].x509);
435 c->pkeys[i].x509 = x;
436 c->key = &(c->pkeys[i]);
441 #ifndef OPENSSL_NO_STDIO
442 int SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, int type)
449 in = BIO_new(BIO_s_file());
451 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, ERR_R_BUF_LIB);
455 if (BIO_read_filename(in, file) <= 0) {
456 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, ERR_R_SYS_LIB);
459 if (type == SSL_FILETYPE_ASN1) {
461 x = d2i_X509_bio(in, NULL);
462 } else if (type == SSL_FILETYPE_PEM) {
464 x = PEM_read_bio_X509(in, NULL, ctx->default_passwd_callback,
465 ctx->default_passwd_callback_userdata);
467 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, SSL_R_BAD_SSL_FILETYPE);
472 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, j);
476 ret = SSL_CTX_use_certificate(ctx, x);
484 int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len,
485 const unsigned char *d)
490 x = d2i_X509(NULL, &d, (long)len);
492 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_ASN1, ERR_R_ASN1_LIB);
496 ret = SSL_CTX_use_certificate(ctx, x);
501 #ifndef OPENSSL_NO_RSA
502 int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa)
508 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
511 if ((pkey = EVP_PKEY_new()) == NULL) {
512 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY, ERR_R_EVP_LIB);
517 if (EVP_PKEY_assign_RSA(pkey, rsa) <= 0) {
522 ret = ssl_set_pkey(ctx->cert, pkey);
527 # ifndef OPENSSL_NO_STDIO
528 int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file, int type)
534 in = BIO_new(BIO_s_file());
536 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, ERR_R_BUF_LIB);
540 if (BIO_read_filename(in, file) <= 0) {
541 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, ERR_R_SYS_LIB);
544 if (type == SSL_FILETYPE_ASN1) {
546 rsa = d2i_RSAPrivateKey_bio(in, NULL);
547 } else if (type == SSL_FILETYPE_PEM) {
549 rsa = PEM_read_bio_RSAPrivateKey(in, NULL,
550 ctx->default_passwd_callback,
551 ctx->default_passwd_callback_userdata);
553 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
557 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, j);
560 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 return (ssl_set_pkey(ctx->cert, pkey));
596 #ifndef OPENSSL_NO_STDIO
597 int SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, int type)
601 EVP_PKEY *pkey = NULL;
603 in = BIO_new(BIO_s_file());
605 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, ERR_R_BUF_LIB);
609 if (BIO_read_filename(in, file) <= 0) {
610 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, ERR_R_SYS_LIB);
613 if (type == SSL_FILETYPE_PEM) {
615 pkey = PEM_read_bio_PrivateKey(in, NULL,
616 ctx->default_passwd_callback,
617 ctx->default_passwd_callback_userdata);
618 } else if (type == SSL_FILETYPE_ASN1) {
620 pkey = d2i_PrivateKey_bio(in, NULL);
622 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
626 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, j);
629 ret = SSL_CTX_use_PrivateKey(ctx, pkey);
637 int SSL_CTX_use_PrivateKey_ASN1(int type, SSL_CTX *ctx,
638 const unsigned char *d, long len)
641 const unsigned char *p;
645 if ((pkey = d2i_PrivateKey(type, NULL, &p, (long)len)) == NULL) {
646 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
650 ret = SSL_CTX_use_PrivateKey(ctx, pkey);
655 #ifndef OPENSSL_NO_STDIO
657 * Read a file that contains our certificate in "PEM" format, possibly
658 * followed by a sequence of CA certificates that should be sent to the peer
659 * in the Certificate message.
661 static int use_certificate_chain_file(SSL_CTX *ctx, SSL *ssl, const char *file)
666 pem_password_cb *passwd_callback;
667 void *passwd_callback_userdata;
669 ERR_clear_error(); /* clear error stack for
670 * SSL_CTX_use_certificate() */
673 passwd_callback = ctx->default_passwd_callback;
674 passwd_callback_userdata = ctx->default_passwd_callback_userdata;
676 passwd_callback = ssl->default_passwd_callback;
677 passwd_callback_userdata = ssl->default_passwd_callback_userdata;
680 in = BIO_new(BIO_s_file());
682 SSLerr(SSL_F_USE_CERTIFICATE_CHAIN_FILE, ERR_R_BUF_LIB);
686 if (BIO_read_filename(in, file) <= 0) {
687 SSLerr(SSL_F_USE_CERTIFICATE_CHAIN_FILE, ERR_R_SYS_LIB);
691 x = PEM_read_bio_X509_AUX(in, NULL, passwd_callback,
692 passwd_callback_userdata);
694 SSLerr(SSL_F_USE_CERTIFICATE_CHAIN_FILE, ERR_R_PEM_LIB);
699 ret = SSL_CTX_use_certificate(ctx, x);
701 ret = SSL_use_certificate(ssl, x);
703 if (ERR_peek_error() != 0)
704 ret = 0; /* Key/certificate mismatch doesn't imply
708 * If we could set up our certificate, now proceed to the CA
716 r = SSL_CTX_clear_chain_certs(ctx);
718 r = SSL_clear_chain_certs(ssl);
725 while ((ca = PEM_read_bio_X509(in, NULL, passwd_callback,
726 passwd_callback_userdata))
729 r = SSL_CTX_add0_chain_cert(ctx, ca);
731 r = SSL_add0_chain_cert(ssl, ca);
733 * Note that we must not free ca if it was successfully added to
734 * the chain (while we must free the main certificate, since its
735 * reference count is increased by SSL_CTX_use_certificate).
743 /* When the while loop ends, it's usually just EOF. */
744 err = ERR_peek_last_error();
745 if (ERR_GET_LIB(err) == ERR_LIB_PEM
746 && ERR_GET_REASON(err) == PEM_R_NO_START_LINE)
749 ret = 0; /* some real error */
758 int SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file)
760 return use_certificate_chain_file(ctx, NULL, file);
763 int SSL_use_certificate_chain_file(SSL *ssl, const char *file)
765 return use_certificate_chain_file(NULL, ssl, file);
769 static int serverinfo_find_extension(const unsigned char *serverinfo,
770 size_t serverinfo_length,
771 unsigned int extension_type,
772 const unsigned char **extension_data,
773 size_t *extension_length)
775 *extension_data = NULL;
776 *extension_length = 0;
777 if (serverinfo == NULL || serverinfo_length == 0)
780 unsigned int type = 0;
783 /* end of serverinfo */
784 if (serverinfo_length == 0)
785 return 0; /* Extension not found */
787 /* read 2-byte type field */
788 if (serverinfo_length < 2)
789 return -1; /* Error */
790 type = (serverinfo[0] << 8) + serverinfo[1];
792 serverinfo_length -= 2;
794 /* read 2-byte len field */
795 if (serverinfo_length < 2)
796 return -1; /* Error */
797 len = (serverinfo[0] << 8) + serverinfo[1];
799 serverinfo_length -= 2;
801 if (len > serverinfo_length)
802 return -1; /* Error */
804 if (type == extension_type) {
805 *extension_data = serverinfo;
806 *extension_length = len;
807 return 1; /* Success */
811 serverinfo_length -= len;
816 static int serverinfo_srv_parse_cb(SSL *s, unsigned int ext_type,
817 const unsigned char *in,
818 size_t inlen, int *al, void *arg)
822 *al = SSL_AD_DECODE_ERROR;
829 static int serverinfo_srv_add_cb(SSL *s, unsigned int ext_type,
830 const unsigned char **out, size_t *outlen,
833 const unsigned char *serverinfo = NULL;
834 size_t serverinfo_length = 0;
836 /* Is there serverinfo data for the chosen server cert? */
837 if ((ssl_get_server_cert_serverinfo(s, &serverinfo,
838 &serverinfo_length)) != 0) {
839 /* Find the relevant extension from the serverinfo */
840 int retval = serverinfo_find_extension(serverinfo, serverinfo_length,
841 ext_type, out, outlen);
843 *al = SSL_AD_DECODE_ERROR;
844 return -1; /* Error */
847 return 0; /* No extension found, don't send extension */
848 return 1; /* Send extension */
850 return -1; /* No serverinfo data found, don't send
855 * With a NULL context, this function just checks that the serverinfo data
856 * parses correctly. With a non-NULL context, it registers callbacks for
857 * the included extensions.
859 static int serverinfo_process_buffer(const unsigned char *serverinfo,
860 size_t serverinfo_length, SSL_CTX *ctx)
862 if (serverinfo == NULL || serverinfo_length == 0)
865 unsigned int ext_type = 0;
868 /* end of serverinfo */
869 if (serverinfo_length == 0)
872 /* read 2-byte type field */
873 if (serverinfo_length < 2)
875 /* FIXME: check for types we understand explicitly? */
877 /* Register callbacks for extensions */
878 ext_type = (serverinfo[0] << 8) + serverinfo[1];
879 if (ctx && !SSL_CTX_add_server_custom_ext(ctx, ext_type,
880 serverinfo_srv_add_cb,
882 serverinfo_srv_parse_cb,
887 serverinfo_length -= 2;
889 /* read 2-byte len field */
890 if (serverinfo_length < 2)
892 len = (serverinfo[0] << 8) + serverinfo[1];
894 serverinfo_length -= 2;
896 if (len > serverinfo_length)
900 serverinfo_length -= len;
904 int SSL_CTX_use_serverinfo(SSL_CTX *ctx, const unsigned char *serverinfo,
905 size_t serverinfo_length)
907 unsigned char *new_serverinfo;
909 if (ctx == NULL || serverinfo == NULL || serverinfo_length == 0) {
910 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO, ERR_R_PASSED_NULL_PARAMETER);
913 if (!serverinfo_process_buffer(serverinfo, serverinfo_length, NULL)) {
914 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO, SSL_R_INVALID_SERVERINFO_DATA);
917 if (ctx->cert->key == NULL) {
918 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO, ERR_R_INTERNAL_ERROR);
921 new_serverinfo = OPENSSL_realloc(ctx->cert->key->serverinfo,
923 if (new_serverinfo == NULL) {
924 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO, ERR_R_MALLOC_FAILURE);
927 ctx->cert->key->serverinfo = new_serverinfo;
928 memcpy(ctx->cert->key->serverinfo, serverinfo, serverinfo_length);
929 ctx->cert->key->serverinfo_length = serverinfo_length;
932 * Now that the serverinfo is validated and stored, go ahead and
933 * register callbacks.
935 if (!serverinfo_process_buffer(serverinfo, serverinfo_length, ctx)) {
936 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO, SSL_R_INVALID_SERVERINFO_DATA);
942 int SSL_CTX_use_serverinfo_file(SSL_CTX *ctx, const char *file)
944 unsigned char *serverinfo = NULL;
945 size_t serverinfo_length = 0;
946 unsigned char *extension = 0;
947 long extension_length = 0;
950 char namePrefix[] = "SERVERINFO FOR ";
953 size_t num_extensions = 0;
955 if (ctx == NULL || file == NULL) {
956 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE,
957 ERR_R_PASSED_NULL_PARAMETER);
961 bin = BIO_new(BIO_s_file());
963 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, ERR_R_BUF_LIB);
966 if (BIO_read_filename(bin, file) <= 0) {
967 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, ERR_R_SYS_LIB);
971 for (num_extensions = 0;; num_extensions++) {
972 if (PEM_read_bio(bin, &name, &header, &extension, &extension_length)
975 * There must be at least one extension in this file
977 if (num_extensions == 0) {
978 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE,
979 SSL_R_NO_PEM_EXTENSIONS);
981 } else /* End of file, we're done */
984 /* Check that PEM name starts with "BEGIN SERVERINFO FOR " */
985 if (strlen(name) < strlen(namePrefix)) {
986 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE,
987 SSL_R_PEM_NAME_TOO_SHORT);
990 if (strncmp(name, namePrefix, strlen(namePrefix)) != 0) {
991 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE,
992 SSL_R_PEM_NAME_BAD_PREFIX);
996 * Check that the decoded PEM data is plausible (valid length field)
998 if (extension_length < 4
999 || (extension[2] << 8) + extension[3] != extension_length - 4) {
1000 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, SSL_R_BAD_DATA);
1003 /* Append the decoded extension to the serverinfo buffer */
1005 OPENSSL_realloc(serverinfo, serverinfo_length + extension_length);
1006 if (serverinfo == NULL) {
1007 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, ERR_R_MALLOC_FAILURE);
1010 memcpy(serverinfo + serverinfo_length, extension, extension_length);
1011 serverinfo_length += extension_length;
1015 OPENSSL_free(header);
1017 OPENSSL_free(extension);
1021 ret = SSL_CTX_use_serverinfo(ctx, serverinfo, serverinfo_length);
1023 /* SSL_CTX_use_serverinfo makes a local copy of the serverinfo. */
1025 OPENSSL_free(header);
1026 OPENSSL_free(extension);
1027 OPENSSL_free(serverinfo);