2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
11 #include "ssl_local.h"
12 #include "internal/packet.h"
13 #include <openssl/bio.h>
14 #include <openssl/objects.h>
15 #include <openssl/evp.h>
16 #include <openssl/x509.h>
17 #include <openssl/x509v3.h>
18 #include <openssl/pem.h>
20 static int ssl_set_cert(CERT *c, X509 *x509);
21 static int ssl_set_pkey(CERT *c, EVP_PKEY *pkey);
23 #define SYNTHV1CONTEXT (SSL_EXT_TLS1_2_AND_BELOW_ONLY \
24 | SSL_EXT_CLIENT_HELLO \
25 | SSL_EXT_TLS1_2_SERVER_HELLO \
26 | SSL_EXT_IGNORE_ON_RESUMPTION)
28 int SSL_use_certificate(SSL *ssl, X509 *x)
32 ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER);
36 rv = ssl_security_cert(ssl, NULL, x, 0, 1);
38 ERR_raise(ERR_LIB_SSL, rv);
42 return ssl_set_cert(ssl->cert, x);
45 int SSL_use_certificate_file(SSL *ssl, const char *file, int type)
50 X509 *cert = NULL, *x = NULL;
52 in = BIO_new(BIO_s_file());
54 ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB);
58 if (BIO_read_filename(in, file) <= 0) {
59 ERR_raise(ERR_LIB_SSL, ERR_R_SYS_LIB);
63 if (type != SSL_FILETYPE_ASN1 && type != SSL_FILETYPE_PEM) {
64 ERR_raise(ERR_LIB_SSL, SSL_R_BAD_SSL_FILETYPE);
67 x = X509_new_ex(ssl->ctx->libctx, ssl->ctx->propq);
69 ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE);
72 if (type == SSL_FILETYPE_ASN1) {
74 cert = d2i_X509_bio(in, &x);
75 } else if (type == SSL_FILETYPE_PEM) {
77 cert = PEM_read_bio_X509(in, &x, ssl->default_passwd_callback,
78 ssl->default_passwd_callback_userdata);
80 ERR_raise(ERR_LIB_SSL, SSL_R_BAD_SSL_FILETYPE);
85 ERR_raise(ERR_LIB_SSL, j);
89 ret = SSL_use_certificate(ssl, x);
96 int SSL_use_certificate_ASN1(SSL *ssl, const unsigned char *d, int len)
101 x = X509_new_ex(ssl->ctx->libctx, ssl->ctx->propq);
103 ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE);
107 if (d2i_X509(&x, &d, (long)len)== NULL) {
109 ERR_raise(ERR_LIB_SSL, ERR_R_ASN1_LIB);
113 ret = SSL_use_certificate(ssl, x);
118 #ifndef OPENSSL_NO_RSA
119 int SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa)
125 ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER);
128 if ((pkey = EVP_PKEY_new()) == NULL) {
129 ERR_raise(ERR_LIB_SSL, ERR_R_EVP_LIB);
134 if (EVP_PKEY_assign_RSA(pkey, rsa) <= 0) {
140 ret = ssl_set_pkey(ssl->cert, pkey);
146 static int ssl_set_pkey(CERT *c, EVP_PKEY *pkey)
150 if (ssl_cert_lookup_by_pkey(pkey, &i) == NULL) {
151 ERR_raise(ERR_LIB_SSL, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
155 if (c->pkeys[i].x509 != NULL) {
157 pktmp = X509_get0_pubkey(c->pkeys[i].x509);
159 ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE);
163 * The return code from EVP_PKEY_copy_parameters is deliberately
164 * ignored. Some EVP_PKEY types cannot do this.
166 EVP_PKEY_copy_parameters(pktmp, pkey);
169 if (!X509_check_private_key(c->pkeys[i].x509, pkey)) {
170 X509_free(c->pkeys[i].x509);
171 c->pkeys[i].x509 = NULL;
176 EVP_PKEY_free(c->pkeys[i].privatekey);
177 EVP_PKEY_up_ref(pkey);
178 c->pkeys[i].privatekey = pkey;
179 c->key = &c->pkeys[i];
183 #ifndef OPENSSL_NO_RSA
184 int SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type)
190 in = BIO_new(BIO_s_file());
192 ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB);
196 if (BIO_read_filename(in, file) <= 0) {
197 ERR_raise(ERR_LIB_SSL, ERR_R_SYS_LIB);
200 if (type == SSL_FILETYPE_ASN1) {
202 rsa = d2i_RSAPrivateKey_bio(in, NULL);
203 } else if (type == SSL_FILETYPE_PEM) {
205 rsa = PEM_read_bio_RSAPrivateKey(in, NULL,
206 ssl->default_passwd_callback,
207 ssl->default_passwd_callback_userdata);
209 ERR_raise(ERR_LIB_SSL, SSL_R_BAD_SSL_FILETYPE);
213 ERR_raise(ERR_LIB_SSL, j);
216 ret = SSL_use_RSAPrivateKey(ssl, rsa);
223 int SSL_use_RSAPrivateKey_ASN1(SSL *ssl, const unsigned char *d, long len)
226 const unsigned char *p;
230 if ((rsa = d2i_RSAPrivateKey(NULL, &p, (long)len)) == NULL) {
231 ERR_raise(ERR_LIB_SSL, ERR_R_ASN1_LIB);
235 ret = SSL_use_RSAPrivateKey(ssl, rsa);
239 #endif /* !OPENSSL_NO_RSA */
241 int SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey)
246 ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER);
249 ret = ssl_set_pkey(ssl->cert, pkey);
253 int SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type)
257 EVP_PKEY *pkey = NULL;
259 in = BIO_new(BIO_s_file());
261 ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB);
265 if (BIO_read_filename(in, file) <= 0) {
266 ERR_raise(ERR_LIB_SSL, ERR_R_SYS_LIB);
269 if (type == SSL_FILETYPE_PEM) {
271 pkey = PEM_read_bio_PrivateKey_ex(in, NULL,
272 ssl->default_passwd_callback,
273 ssl->default_passwd_callback_userdata,
276 } else if (type == SSL_FILETYPE_ASN1) {
278 pkey = d2i_PrivateKey_ex_bio(in, NULL, ssl->ctx->libctx,
281 ERR_raise(ERR_LIB_SSL, SSL_R_BAD_SSL_FILETYPE);
285 ERR_raise(ERR_LIB_SSL, j);
288 ret = SSL_use_PrivateKey(ssl, pkey);
295 int SSL_use_PrivateKey_ASN1(int type, SSL *ssl, const unsigned char *d,
299 const unsigned char *p;
303 if ((pkey = d2i_PrivateKey_ex(type, NULL, &p, (long)len, ssl->ctx->libctx,
304 ssl->ctx->propq)) == NULL) {
305 ERR_raise(ERR_LIB_SSL, ERR_R_ASN1_LIB);
309 ret = SSL_use_PrivateKey(ssl, pkey);
314 int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x)
318 ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER);
322 rv = ssl_security_cert(NULL, ctx, x, 0, 1);
324 ERR_raise(ERR_LIB_SSL, rv);
327 return ssl_set_cert(ctx->cert, x);
330 static int ssl_set_cert(CERT *c, X509 *x)
335 pkey = X509_get0_pubkey(x);
337 ERR_raise(ERR_LIB_SSL, SSL_R_X509_LIB);
341 if (ssl_cert_lookup_by_pkey(pkey, &i) == NULL) {
342 ERR_raise(ERR_LIB_SSL, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
345 #ifndef OPENSSL_NO_EC
346 if (i == SSL_PKEY_ECC && !EVP_PKEY_can_sign(pkey)) {
347 ERR_raise(ERR_LIB_SSL, SSL_R_ECC_CERT_NOT_FOR_SIGNING);
351 if (c->pkeys[i].privatekey != NULL) {
353 * The return code from EVP_PKEY_copy_parameters is deliberately
354 * ignored. Some EVP_PKEY types cannot do this.
356 EVP_PKEY_copy_parameters(pkey, c->pkeys[i].privatekey);
359 if (!X509_check_private_key(x, c->pkeys[i].privatekey)) {
361 * don't fail for a cert/key mismatch, just free current private
362 * key (when switching to a different cert & key, first this
363 * function should be used, then ssl_set_pkey
365 EVP_PKEY_free(c->pkeys[i].privatekey);
366 c->pkeys[i].privatekey = NULL;
367 /* clear error queue */
372 X509_free(c->pkeys[i].x509);
374 c->pkeys[i].x509 = x;
375 c->key = &(c->pkeys[i]);
380 int SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, int type)
382 int j = SSL_R_BAD_VALUE;
385 X509 *x = NULL, *cert = NULL;
387 in = BIO_new(BIO_s_file());
389 ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB);
393 if (BIO_read_filename(in, file) <= 0) {
394 ERR_raise(ERR_LIB_SSL, ERR_R_SYS_LIB);
397 if (type != SSL_FILETYPE_ASN1 && type != SSL_FILETYPE_PEM) {
398 ERR_raise(ERR_LIB_SSL, SSL_R_BAD_SSL_FILETYPE);
401 x = X509_new_ex(ctx->libctx, ctx->propq);
403 ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE);
406 if (type == SSL_FILETYPE_ASN1) {
408 cert = d2i_X509_bio(in, &x);
409 } else if (type == SSL_FILETYPE_PEM) {
411 cert = PEM_read_bio_X509(in, &x, ctx->default_passwd_callback,
412 ctx->default_passwd_callback_userdata);
415 ERR_raise(ERR_LIB_SSL, j);
419 ret = SSL_CTX_use_certificate(ctx, x);
426 int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len, const unsigned char *d)
431 x = X509_new_ex(ctx->libctx, ctx->propq);
433 ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE);
437 if (d2i_X509(&x, &d, (long)len) == NULL) {
439 ERR_raise(ERR_LIB_SSL, ERR_R_ASN1_LIB);
443 ret = SSL_CTX_use_certificate(ctx, x);
448 #ifndef OPENSSL_NO_RSA
449 int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa)
455 ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER);
458 if ((pkey = EVP_PKEY_new()) == NULL) {
459 ERR_raise(ERR_LIB_SSL, ERR_R_EVP_LIB);
464 if (EVP_PKEY_assign_RSA(pkey, rsa) <= 0) {
470 ret = ssl_set_pkey(ctx->cert, pkey);
475 int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file, int type)
481 in = BIO_new(BIO_s_file());
483 ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB);
487 if (BIO_read_filename(in, file) <= 0) {
488 ERR_raise(ERR_LIB_SSL, ERR_R_SYS_LIB);
491 if (type == SSL_FILETYPE_ASN1) {
493 rsa = d2i_RSAPrivateKey_bio(in, NULL);
494 } else if (type == SSL_FILETYPE_PEM) {
496 rsa = PEM_read_bio_RSAPrivateKey(in, NULL,
497 ctx->default_passwd_callback,
498 ctx->default_passwd_callback_userdata);
500 ERR_raise(ERR_LIB_SSL, SSL_R_BAD_SSL_FILETYPE);
504 ERR_raise(ERR_LIB_SSL, j);
507 ret = SSL_CTX_use_RSAPrivateKey(ctx, rsa);
514 int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d,
518 const unsigned char *p;
522 if ((rsa = d2i_RSAPrivateKey(NULL, &p, (long)len)) == NULL) {
523 ERR_raise(ERR_LIB_SSL, ERR_R_ASN1_LIB);
527 ret = SSL_CTX_use_RSAPrivateKey(ctx, rsa);
531 #endif /* !OPENSSL_NO_RSA */
533 int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey)
536 ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER);
539 return ssl_set_pkey(ctx->cert, pkey);
542 int SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, int type)
546 EVP_PKEY *pkey = NULL;
548 in = BIO_new(BIO_s_file());
550 ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB);
554 if (BIO_read_filename(in, file) <= 0) {
555 ERR_raise(ERR_LIB_SSL, ERR_R_SYS_LIB);
558 if (type == SSL_FILETYPE_PEM) {
560 pkey = PEM_read_bio_PrivateKey_ex(in, NULL,
561 ctx->default_passwd_callback,
562 ctx->default_passwd_callback_userdata,
563 ctx->libctx, ctx->propq);
564 } else if (type == SSL_FILETYPE_ASN1) {
566 pkey = d2i_PrivateKey_ex_bio(in, NULL, ctx->libctx, ctx->propq);
568 ERR_raise(ERR_LIB_SSL, SSL_R_BAD_SSL_FILETYPE);
572 ERR_raise(ERR_LIB_SSL, j);
575 ret = SSL_CTX_use_PrivateKey(ctx, pkey);
582 int SSL_CTX_use_PrivateKey_ASN1(int type, SSL_CTX *ctx,
583 const unsigned char *d, long len)
586 const unsigned char *p;
590 if ((pkey = d2i_PrivateKey_ex(type, NULL, &p, (long)len, ctx->libctx,
591 ctx->propq)) == NULL) {
592 ERR_raise(ERR_LIB_SSL, ERR_R_ASN1_LIB);
596 ret = SSL_CTX_use_PrivateKey(ctx, pkey);
602 * Read a file that contains our certificate in "PEM" format, possibly
603 * followed by a sequence of CA certificates that should be sent to the peer
604 * in the Certificate message.
606 static int use_certificate_chain_file(SSL_CTX *ctx, SSL *ssl, const char *file)
611 pem_password_cb *passwd_callback;
612 void *passwd_callback_userdata;
613 SSL_CTX *real_ctx = (ssl == NULL) ? ctx : ssl->ctx;
615 ERR_clear_error(); /* clear error stack for
616 * SSL_CTX_use_certificate() */
619 passwd_callback = ctx->default_passwd_callback;
620 passwd_callback_userdata = ctx->default_passwd_callback_userdata;
622 passwd_callback = ssl->default_passwd_callback;
623 passwd_callback_userdata = ssl->default_passwd_callback_userdata;
626 in = BIO_new(BIO_s_file());
628 ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB);
632 if (BIO_read_filename(in, file) <= 0) {
633 ERR_raise(ERR_LIB_SSL, ERR_R_SYS_LIB);
637 x = X509_new_ex(real_ctx->libctx, real_ctx->propq);
639 ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE);
642 if (PEM_read_bio_X509_AUX(in, &x, passwd_callback,
643 passwd_callback_userdata) == NULL) {
644 ERR_raise(ERR_LIB_SSL, ERR_R_PEM_LIB);
649 ret = SSL_CTX_use_certificate(ctx, x);
651 ret = SSL_use_certificate(ssl, x);
653 if (ERR_peek_error() != 0)
654 ret = 0; /* Key/certificate mismatch doesn't imply
658 * If we could set up our certificate, now proceed to the CA
666 r = SSL_CTX_clear_chain_certs(ctx);
668 r = SSL_clear_chain_certs(ssl);
676 ca = X509_new_ex(real_ctx->libctx, real_ctx->propq);
678 ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE);
681 if (PEM_read_bio_X509(in, &ca, passwd_callback,
682 passwd_callback_userdata) != NULL) {
684 r = SSL_CTX_add0_chain_cert(ctx, ca);
686 r = SSL_add0_chain_cert(ssl, ca);
688 * Note that we must not free ca if it was successfully added to
689 * the chain (while we must free the main certificate, since its
690 * reference count is increased by SSL_CTX_use_certificate).
702 /* When the while loop ends, it's usually just EOF. */
703 err = ERR_peek_last_error();
704 if (ERR_GET_LIB(err) == ERR_LIB_PEM
705 && ERR_GET_REASON(err) == PEM_R_NO_START_LINE)
708 ret = 0; /* some real error */
717 int SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file)
719 return use_certificate_chain_file(ctx, NULL, file);
722 int SSL_use_certificate_chain_file(SSL *ssl, const char *file)
724 return use_certificate_chain_file(NULL, ssl, file);
727 static int serverinfo_find_extension(const unsigned char *serverinfo,
728 size_t serverinfo_length,
729 unsigned int extension_type,
730 const unsigned char **extension_data,
731 size_t *extension_length)
735 *extension_data = NULL;
736 *extension_length = 0;
737 if (serverinfo == NULL || serverinfo_length == 0)
740 if (!PACKET_buf_init(&pkt, serverinfo, serverinfo_length))
744 unsigned int type = 0;
745 unsigned long context = 0;
747 /* end of serverinfo */
748 if (PACKET_remaining(&pkt) == 0)
749 return 0; /* Extension not found */
751 if (!PACKET_get_net_4(&pkt, &context)
752 || !PACKET_get_net_2(&pkt, &type)
753 || !PACKET_get_length_prefixed_2(&pkt, &data))
756 if (type == extension_type) {
757 *extension_data = PACKET_data(&data);
758 *extension_length = PACKET_remaining(&data);;
759 return 1; /* Success */
765 static int serverinfoex_srv_parse_cb(SSL *s, unsigned int ext_type,
766 unsigned int context,
767 const unsigned char *in,
768 size_t inlen, X509 *x, size_t chainidx,
773 *al = SSL_AD_DECODE_ERROR;
780 static int serverinfo_srv_parse_cb(SSL *s, unsigned int ext_type,
781 const unsigned char *in,
782 size_t inlen, int *al, void *arg)
784 return serverinfoex_srv_parse_cb(s, ext_type, 0, in, inlen, NULL, 0, al,
788 static int serverinfoex_srv_add_cb(SSL *s, unsigned int ext_type,
789 unsigned int context,
790 const unsigned char **out,
791 size_t *outlen, X509 *x, size_t chainidx,
794 const unsigned char *serverinfo = NULL;
795 size_t serverinfo_length = 0;
797 /* We only support extensions for the first Certificate */
798 if ((context & SSL_EXT_TLS1_3_CERTIFICATE) != 0 && chainidx > 0)
801 /* Is there serverinfo data for the chosen server cert? */
802 if ((ssl_get_server_cert_serverinfo(s, &serverinfo,
803 &serverinfo_length)) != 0) {
804 /* Find the relevant extension from the serverinfo */
805 int retval = serverinfo_find_extension(serverinfo, serverinfo_length,
806 ext_type, out, outlen);
808 *al = SSL_AD_INTERNAL_ERROR;
809 return -1; /* Error */
812 return 0; /* No extension found, don't send extension */
813 return 1; /* Send extension */
815 return 0; /* No serverinfo data found, don't send
819 static int serverinfo_srv_add_cb(SSL *s, unsigned int ext_type,
820 const unsigned char **out, size_t *outlen,
823 return serverinfoex_srv_add_cb(s, ext_type, 0, out, outlen, NULL, 0, al,
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(unsigned int version,
833 const unsigned char *serverinfo,
834 size_t serverinfo_length, SSL_CTX *ctx)
838 if (serverinfo == NULL || serverinfo_length == 0)
841 if (version != SSL_SERVERINFOV1 && version != SSL_SERVERINFOV2)
844 if (!PACKET_buf_init(&pkt, serverinfo, serverinfo_length))
847 while (PACKET_remaining(&pkt)) {
848 unsigned long context = 0;
849 unsigned int ext_type = 0;
852 if ((version == SSL_SERVERINFOV2 && !PACKET_get_net_4(&pkt, &context))
853 || !PACKET_get_net_2(&pkt, &ext_type)
854 || !PACKET_get_length_prefixed_2(&pkt, &data))
861 * The old style custom extensions API could be set separately for
862 * server/client, i.e. you could set one custom extension for a client,
863 * and *for the same extension in the same SSL_CTX* you could set a
864 * custom extension for the server as well. It seems quite weird to be
865 * setting a custom extension for both client and server in a single
866 * SSL_CTX - but theoretically possible. This isn't possible in the
867 * new API. Therefore, if we have V1 serverinfo we use the old API. We
868 * also use the old API even if we have V2 serverinfo but the context
869 * looks like an old style <= TLSv1.2 extension.
871 if (version == SSL_SERVERINFOV1 || context == SYNTHV1CONTEXT) {
872 if (!SSL_CTX_add_server_custom_ext(ctx, ext_type,
873 serverinfo_srv_add_cb,
875 serverinfo_srv_parse_cb,
879 if (!SSL_CTX_add_custom_ext(ctx, ext_type, context,
880 serverinfoex_srv_add_cb,
882 serverinfoex_srv_parse_cb,
891 int SSL_CTX_use_serverinfo_ex(SSL_CTX *ctx, unsigned int version,
892 const unsigned char *serverinfo,
893 size_t serverinfo_length)
895 unsigned char *new_serverinfo;
897 if (ctx == NULL || serverinfo == NULL || serverinfo_length == 0) {
898 ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER);
901 if (!serverinfo_process_buffer(version, serverinfo, serverinfo_length,
903 ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_SERVERINFO_DATA);
906 if (ctx->cert->key == NULL) {
907 ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
910 new_serverinfo = OPENSSL_realloc(ctx->cert->key->serverinfo,
912 if (new_serverinfo == NULL) {
913 ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE);
916 ctx->cert->key->serverinfo = new_serverinfo;
917 memcpy(ctx->cert->key->serverinfo, serverinfo, serverinfo_length);
918 ctx->cert->key->serverinfo_length = serverinfo_length;
921 * Now that the serverinfo is validated and stored, go ahead and
922 * register callbacks.
924 if (!serverinfo_process_buffer(version, serverinfo, serverinfo_length,
926 ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_SERVERINFO_DATA);
932 int SSL_CTX_use_serverinfo(SSL_CTX *ctx, const unsigned char *serverinfo,
933 size_t serverinfo_length)
935 return SSL_CTX_use_serverinfo_ex(ctx, SSL_SERVERINFOV1, serverinfo,
939 int SSL_CTX_use_serverinfo_file(SSL_CTX *ctx, const char *file)
941 unsigned char *serverinfo = NULL;
943 size_t serverinfo_length = 0;
944 unsigned char *extension = 0;
945 long extension_length = 0;
948 static const char namePrefix1[] = "SERVERINFO FOR ";
949 static const char namePrefix2[] = "SERVERINFOV2 FOR ";
950 unsigned int name_len;
953 size_t num_extensions = 0, contextoff = 0;
955 if (ctx == NULL || file == NULL) {
956 ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER);
960 bin = BIO_new(BIO_s_file());
962 ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB);
965 if (BIO_read_filename(bin, file) <= 0) {
966 ERR_raise(ERR_LIB_SSL, ERR_R_SYS_LIB);
970 for (num_extensions = 0;; num_extensions++) {
971 unsigned int version;
973 if (PEM_read_bio(bin, &name, &header, &extension, &extension_length)
976 * There must be at least one extension in this file
978 if (num_extensions == 0) {
979 ERR_raise(ERR_LIB_SSL, SSL_R_NO_PEM_EXTENSIONS);
981 } else /* End of file, we're done */
984 /* Check that PEM name starts with "BEGIN SERVERINFO FOR " */
985 name_len = strlen(name);
986 if (name_len < sizeof(namePrefix1) - 1) {
987 ERR_raise(ERR_LIB_SSL, SSL_R_PEM_NAME_TOO_SHORT);
990 if (strncmp(name, namePrefix1, sizeof(namePrefix1) - 1) == 0) {
991 version = SSL_SERVERINFOV1;
993 if (name_len < sizeof(namePrefix2) - 1) {
994 ERR_raise(ERR_LIB_SSL, SSL_R_PEM_NAME_TOO_SHORT);
997 if (strncmp(name, namePrefix2, sizeof(namePrefix2) - 1) != 0) {
998 ERR_raise(ERR_LIB_SSL, SSL_R_PEM_NAME_BAD_PREFIX);
1001 version = SSL_SERVERINFOV2;
1004 * Check that the decoded PEM data is plausible (valid length field)
1006 if (version == SSL_SERVERINFOV1) {
1007 /* 4 byte header: 2 bytes type, 2 bytes len */
1008 if (extension_length < 4
1009 || (extension[2] << 8) + extension[3]
1010 != extension_length - 4) {
1011 ERR_raise(ERR_LIB_SSL, SSL_R_BAD_DATA);
1015 * File does not have a context value so we must take account of
1020 /* 8 byte header: 4 bytes context, 2 bytes type, 2 bytes len */
1021 if (extension_length < 8
1022 || (extension[6] << 8) + extension[7]
1023 != extension_length - 8) {
1024 ERR_raise(ERR_LIB_SSL, SSL_R_BAD_DATA);
1028 /* Append the decoded extension to the serverinfo buffer */
1029 tmp = OPENSSL_realloc(serverinfo, serverinfo_length + extension_length
1032 ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE);
1036 if (contextoff > 0) {
1037 unsigned char *sinfo = serverinfo + serverinfo_length;
1039 /* We know this only uses the last 2 bytes */
1042 sinfo[2] = (SYNTHV1CONTEXT >> 8) & 0xff;
1043 sinfo[3] = SYNTHV1CONTEXT & 0xff;
1045 memcpy(serverinfo + serverinfo_length + contextoff,
1046 extension, extension_length);
1047 serverinfo_length += extension_length + contextoff;
1051 OPENSSL_free(header);
1053 OPENSSL_free(extension);
1057 ret = SSL_CTX_use_serverinfo_ex(ctx, SSL_SERVERINFOV2, serverinfo,
1060 /* SSL_CTX_use_serverinfo makes a local copy of the serverinfo. */
1062 OPENSSL_free(header);
1063 OPENSSL_free(extension);
1064 OPENSSL_free(serverinfo);
1069 static int ssl_set_cert_and_key(SSL *ssl, SSL_CTX *ctx, X509 *x509, EVP_PKEY *privatekey,
1070 STACK_OF(X509) *chain, int override)
1076 CERT *c = ssl != NULL ? ssl->cert : ctx->cert;
1077 STACK_OF(X509) *dup_chain = NULL;
1078 EVP_PKEY *pubkey = NULL;
1080 /* Do all security checks before anything else */
1081 rv = ssl_security_cert(ssl, ctx, x509, 0, 1);
1083 ERR_raise(ERR_LIB_SSL, rv);
1086 for (j = 0; j < sk_X509_num(chain); j++) {
1087 rv = ssl_security_cert(ssl, ctx, sk_X509_value(chain, j), 0, 0);
1089 ERR_raise(ERR_LIB_SSL, rv);
1094 pubkey = X509_get_pubkey(x509); /* bumps reference */
1097 if (privatekey == NULL) {
1098 privatekey = pubkey;
1100 /* For RSA, which has no parameters, missing returns 0 */
1101 if (EVP_PKEY_missing_parameters(privatekey)) {
1102 if (EVP_PKEY_missing_parameters(pubkey)) {
1103 /* nobody has parameters? - error */
1104 ERR_raise(ERR_LIB_SSL, SSL_R_MISSING_PARAMETERS);
1107 /* copy to privatekey from pubkey */
1108 EVP_PKEY_copy_parameters(privatekey, pubkey);
1110 } else if (EVP_PKEY_missing_parameters(pubkey)) {
1111 /* copy to pubkey from privatekey */
1112 EVP_PKEY_copy_parameters(pubkey, privatekey);
1113 } /* else both have parameters */
1115 /* check that key <-> cert match */
1116 if (EVP_PKEY_eq(pubkey, privatekey) != 1) {
1117 ERR_raise(ERR_LIB_SSL, SSL_R_PRIVATE_KEY_MISMATCH);
1121 if (ssl_cert_lookup_by_pkey(pubkey, &i) == NULL) {
1122 ERR_raise(ERR_LIB_SSL, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
1126 if (!override && (c->pkeys[i].x509 != NULL
1127 || c->pkeys[i].privatekey != NULL
1128 || c->pkeys[i].chain != NULL)) {
1129 /* No override, and something already there */
1130 ERR_raise(ERR_LIB_SSL, SSL_R_NOT_REPLACING_CERTIFICATE);
1134 if (chain != NULL) {
1135 dup_chain = X509_chain_up_ref(chain);
1136 if (dup_chain == NULL) {
1137 ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE);
1142 sk_X509_pop_free(c->pkeys[i].chain, X509_free);
1143 c->pkeys[i].chain = dup_chain;
1145 X509_free(c->pkeys[i].x509);
1147 c->pkeys[i].x509 = x509;
1149 EVP_PKEY_free(c->pkeys[i].privatekey);
1150 EVP_PKEY_up_ref(privatekey);
1151 c->pkeys[i].privatekey = privatekey;
1153 c->key = &(c->pkeys[i]);
1157 EVP_PKEY_free(pubkey);
1161 int SSL_use_cert_and_key(SSL *ssl, X509 *x509, EVP_PKEY *privatekey,
1162 STACK_OF(X509) *chain, int override)
1164 return ssl_set_cert_and_key(ssl, NULL, x509, privatekey, chain, override);
1167 int SSL_CTX_use_cert_and_key(SSL_CTX *ctx, X509 *x509, EVP_PKEY *privatekey,
1168 STACK_OF(X509) *chain, int override)
1170 return ssl_set_cert_and_key(NULL, ctx, x509, privatekey, chain, override);