1049 lines
31 KiB
C
1049 lines
31 KiB
C
/* ssl/ssl_rsa.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#include <stdio.h>
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#include "ssl_locl.h"
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#include <openssl/bio.h>
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#include <openssl/objects.h>
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#include <openssl/evp.h>
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#include <openssl/x509.h>
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#include <openssl/pem.h>
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static int ssl_set_cert(CERT *c, X509 *x509);
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static int ssl_set_pkey(CERT *c, EVP_PKEY *pkey);
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int SSL_use_certificate(SSL *ssl, X509 *x)
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{
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if (x == NULL) {
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SSLerr(SSL_F_SSL_USE_CERTIFICATE, ERR_R_PASSED_NULL_PARAMETER);
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return (0);
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}
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if (!ssl_cert_inst(&ssl->cert)) {
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SSLerr(SSL_F_SSL_USE_CERTIFICATE, ERR_R_MALLOC_FAILURE);
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return (0);
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}
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return (ssl_set_cert(ssl->cert, x));
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}
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#ifndef OPENSSL_NO_STDIO
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int SSL_use_certificate_file(SSL *ssl, const char *file, int type)
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{
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int j;
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BIO *in;
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int ret = 0;
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X509 *x = NULL;
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in = BIO_new(BIO_s_file_internal());
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if (in == NULL) {
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SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE, ERR_R_BUF_LIB);
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goto end;
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}
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if (BIO_read_filename(in, file) <= 0) {
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SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE, ERR_R_SYS_LIB);
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goto end;
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}
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if (type == SSL_FILETYPE_ASN1) {
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j = ERR_R_ASN1_LIB;
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x = d2i_X509_bio(in, NULL);
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} else if (type == SSL_FILETYPE_PEM) {
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j = ERR_R_PEM_LIB;
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x = PEM_read_bio_X509(in, NULL, ssl->ctx->default_passwd_callback,
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ssl->ctx->default_passwd_callback_userdata);
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} else {
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SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE, SSL_R_BAD_SSL_FILETYPE);
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goto end;
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}
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if (x == NULL) {
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SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE, j);
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goto end;
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}
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ret = SSL_use_certificate(ssl, x);
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end:
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if (x != NULL)
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X509_free(x);
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if (in != NULL)
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BIO_free(in);
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return (ret);
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}
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#endif
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int SSL_use_certificate_ASN1(SSL *ssl, const unsigned char *d, int len)
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{
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X509 *x;
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int ret;
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x = d2i_X509(NULL, &d, (long)len);
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if (x == NULL) {
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SSLerr(SSL_F_SSL_USE_CERTIFICATE_ASN1, ERR_R_ASN1_LIB);
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return (0);
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}
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ret = SSL_use_certificate(ssl, x);
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X509_free(x);
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return (ret);
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}
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#ifndef OPENSSL_NO_RSA
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int SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa)
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{
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EVP_PKEY *pkey;
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int ret;
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if (rsa == NULL) {
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SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
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return (0);
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}
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if (!ssl_cert_inst(&ssl->cert)) {
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SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY, ERR_R_MALLOC_FAILURE);
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return (0);
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}
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if ((pkey = EVP_PKEY_new()) == NULL) {
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SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY, ERR_R_EVP_LIB);
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return (0);
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}
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RSA_up_ref(rsa);
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if (EVP_PKEY_assign_RSA(pkey, rsa) <= 0) {
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RSA_free(rsa);
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return 0;
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}
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ret = ssl_set_pkey(ssl->cert, pkey);
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EVP_PKEY_free(pkey);
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return (ret);
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}
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#endif
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static int ssl_set_pkey(CERT *c, EVP_PKEY *pkey)
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{
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int i;
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/*
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* Special case for DH: check two DH certificate types for a match. This
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* means for DH certificates we must set the certificate first.
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*/
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if (pkey->type == EVP_PKEY_DH) {
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X509 *x;
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i = -1;
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x = c->pkeys[SSL_PKEY_DH_RSA].x509;
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if (x && X509_check_private_key(x, pkey))
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i = SSL_PKEY_DH_RSA;
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x = c->pkeys[SSL_PKEY_DH_DSA].x509;
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if (i == -1 && x && X509_check_private_key(x, pkey))
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i = SSL_PKEY_DH_DSA;
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ERR_clear_error();
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} else
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i = ssl_cert_type(NULL, pkey);
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if (i < 0) {
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SSLerr(SSL_F_SSL_SET_PKEY, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
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return (0);
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}
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if (c->pkeys[i].x509 != NULL) {
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EVP_PKEY *pktmp;
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pktmp = X509_get_pubkey(c->pkeys[i].x509);
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if (pktmp == NULL) {
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SSLerr(SSL_F_SSL_SET_PKEY, ERR_R_MALLOC_FAILURE);
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EVP_PKEY_free(pktmp);
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return 0;
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}
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/*
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* The return code from EVP_PKEY_copy_parameters is deliberately
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* ignored. Some EVP_PKEY types cannot do this.
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*/
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EVP_PKEY_copy_parameters(pktmp, pkey);
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EVP_PKEY_free(pktmp);
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ERR_clear_error();
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#ifndef OPENSSL_NO_RSA
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/*
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* Don't check the public/private key, this is mostly for smart
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* cards.
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*/
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if ((pkey->type == EVP_PKEY_RSA) &&
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(RSA_flags(pkey->pkey.rsa) & RSA_METHOD_FLAG_NO_CHECK)) ;
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else
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#endif
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if (!X509_check_private_key(c->pkeys[i].x509, pkey)) {
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X509_free(c->pkeys[i].x509);
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c->pkeys[i].x509 = NULL;
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return 0;
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}
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}
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if (c->pkeys[i].privatekey != NULL)
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EVP_PKEY_free(c->pkeys[i].privatekey);
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CRYPTO_add(&pkey->references, 1, CRYPTO_LOCK_EVP_PKEY);
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c->pkeys[i].privatekey = pkey;
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c->key = &(c->pkeys[i]);
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c->valid = 0;
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return (1);
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}
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#ifndef OPENSSL_NO_RSA
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# ifndef OPENSSL_NO_STDIO
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int SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type)
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{
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int j, ret = 0;
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BIO *in;
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RSA *rsa = NULL;
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in = BIO_new(BIO_s_file_internal());
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if (in == NULL) {
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SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, ERR_R_BUF_LIB);
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goto end;
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}
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if (BIO_read_filename(in, file) <= 0) {
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SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, ERR_R_SYS_LIB);
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goto end;
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}
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if (type == SSL_FILETYPE_ASN1) {
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j = ERR_R_ASN1_LIB;
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rsa = d2i_RSAPrivateKey_bio(in, NULL);
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} else if (type == SSL_FILETYPE_PEM) {
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j = ERR_R_PEM_LIB;
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rsa = PEM_read_bio_RSAPrivateKey(in, NULL,
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ssl->ctx->default_passwd_callback,
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ssl->
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ctx->default_passwd_callback_userdata);
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} else {
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SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
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goto end;
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}
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if (rsa == NULL) {
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SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, j);
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goto end;
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}
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ret = SSL_use_RSAPrivateKey(ssl, rsa);
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RSA_free(rsa);
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end:
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if (in != NULL)
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BIO_free(in);
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return (ret);
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}
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# endif
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int SSL_use_RSAPrivateKey_ASN1(SSL *ssl, unsigned char *d, long len)
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{
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int ret;
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const unsigned char *p;
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RSA *rsa;
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p = d;
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if ((rsa = d2i_RSAPrivateKey(NULL, &p, (long)len)) == NULL) {
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SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
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return (0);
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}
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ret = SSL_use_RSAPrivateKey(ssl, rsa);
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RSA_free(rsa);
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return (ret);
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}
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#endif /* !OPENSSL_NO_RSA */
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int SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey)
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{
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int ret;
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if (pkey == NULL) {
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SSLerr(SSL_F_SSL_USE_PRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
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return (0);
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}
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if (!ssl_cert_inst(&ssl->cert)) {
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SSLerr(SSL_F_SSL_USE_PRIVATEKEY, ERR_R_MALLOC_FAILURE);
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return (0);
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}
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ret = ssl_set_pkey(ssl->cert, pkey);
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return (ret);
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}
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#ifndef OPENSSL_NO_STDIO
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int SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type)
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{
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int j, ret = 0;
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BIO *in;
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EVP_PKEY *pkey = NULL;
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in = BIO_new(BIO_s_file_internal());
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if (in == NULL) {
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SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, ERR_R_BUF_LIB);
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goto end;
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}
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if (BIO_read_filename(in, file) <= 0) {
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SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, ERR_R_SYS_LIB);
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goto end;
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}
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if (type == SSL_FILETYPE_PEM) {
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j = ERR_R_PEM_LIB;
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pkey = PEM_read_bio_PrivateKey(in, NULL,
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ssl->ctx->default_passwd_callback,
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ssl->
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ctx->default_passwd_callback_userdata);
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} else if (type == SSL_FILETYPE_ASN1) {
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j = ERR_R_ASN1_LIB;
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pkey = d2i_PrivateKey_bio(in, NULL);
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} else {
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SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
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goto end;
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}
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if (pkey == NULL) {
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SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, j);
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goto end;
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}
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ret = SSL_use_PrivateKey(ssl, pkey);
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EVP_PKEY_free(pkey);
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end:
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if (in != NULL)
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BIO_free(in);
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return (ret);
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}
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#endif
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int SSL_use_PrivateKey_ASN1(int type, SSL *ssl, const unsigned char *d,
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long len)
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{
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int ret;
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const unsigned char *p;
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EVP_PKEY *pkey;
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p = d;
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if ((pkey = d2i_PrivateKey(type, NULL, &p, (long)len)) == NULL) {
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SSLerr(SSL_F_SSL_USE_PRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
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return (0);
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}
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ret = SSL_use_PrivateKey(ssl, pkey);
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EVP_PKEY_free(pkey);
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return (ret);
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}
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|
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int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x)
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{
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if (x == NULL) {
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SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE, ERR_R_PASSED_NULL_PARAMETER);
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return (0);
|
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}
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if (!ssl_cert_inst(&ctx->cert)) {
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SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE, ERR_R_MALLOC_FAILURE);
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return (0);
|
|
}
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return (ssl_set_cert(ctx->cert, x));
|
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}
|
|
|
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static int ssl_set_cert(CERT *c, X509 *x)
|
|
{
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|
EVP_PKEY *pkey;
|
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int i;
|
|
|
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pkey = X509_get_pubkey(x);
|
|
if (pkey == NULL) {
|
|
SSLerr(SSL_F_SSL_SET_CERT, SSL_R_X509_LIB);
|
|
return (0);
|
|
}
|
|
|
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i = ssl_cert_type(x, pkey);
|
|
if (i < 0) {
|
|
SSLerr(SSL_F_SSL_SET_CERT, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
|
|
EVP_PKEY_free(pkey);
|
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return (0);
|
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}
|
|
|
|
if (c->pkeys[i].privatekey != NULL) {
|
|
/*
|
|
* The return code from EVP_PKEY_copy_parameters is deliberately
|
|
* ignored. Some EVP_PKEY types cannot do this.
|
|
*/
|
|
EVP_PKEY_copy_parameters(pkey, c->pkeys[i].privatekey);
|
|
ERR_clear_error();
|
|
|
|
#ifndef OPENSSL_NO_RSA
|
|
/*
|
|
* Don't check the public/private key, this is mostly for smart
|
|
* cards.
|
|
*/
|
|
if ((c->pkeys[i].privatekey->type == EVP_PKEY_RSA) &&
|
|
(RSA_flags(c->pkeys[i].privatekey->pkey.rsa) &
|
|
RSA_METHOD_FLAG_NO_CHECK)) ;
|
|
else
|
|
#endif /* OPENSSL_NO_RSA */
|
|
if (!X509_check_private_key(x, c->pkeys[i].privatekey)) {
|
|
/*
|
|
* don't fail for a cert/key mismatch, just free current private
|
|
* key (when switching to a different cert & key, first this
|
|
* function should be used, then ssl_set_pkey
|
|
*/
|
|
EVP_PKEY_free(c->pkeys[i].privatekey);
|
|
c->pkeys[i].privatekey = NULL;
|
|
/* clear error queue */
|
|
ERR_clear_error();
|
|
}
|
|
}
|
|
|
|
EVP_PKEY_free(pkey);
|
|
|
|
if (c->pkeys[i].x509 != NULL)
|
|
X509_free(c->pkeys[i].x509);
|
|
CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
|
|
c->pkeys[i].x509 = x;
|
|
c->key = &(c->pkeys[i]);
|
|
|
|
c->valid = 0;
|
|
return (1);
|
|
}
|
|
|
|
#ifndef OPENSSL_NO_STDIO
|
|
int SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, int type)
|
|
{
|
|
int j;
|
|
BIO *in;
|
|
int ret = 0;
|
|
X509 *x = NULL;
|
|
|
|
in = BIO_new(BIO_s_file_internal());
|
|
if (in == NULL) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, ERR_R_BUF_LIB);
|
|
goto end;
|
|
}
|
|
|
|
if (BIO_read_filename(in, file) <= 0) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, ERR_R_SYS_LIB);
|
|
goto end;
|
|
}
|
|
if (type == SSL_FILETYPE_ASN1) {
|
|
j = ERR_R_ASN1_LIB;
|
|
x = d2i_X509_bio(in, NULL);
|
|
} else if (type == SSL_FILETYPE_PEM) {
|
|
j = ERR_R_PEM_LIB;
|
|
x = PEM_read_bio_X509(in, NULL, ctx->default_passwd_callback,
|
|
ctx->default_passwd_callback_userdata);
|
|
} else {
|
|
SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, SSL_R_BAD_SSL_FILETYPE);
|
|
goto end;
|
|
}
|
|
|
|
if (x == NULL) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, j);
|
|
goto end;
|
|
}
|
|
|
|
ret = SSL_CTX_use_certificate(ctx, x);
|
|
end:
|
|
if (x != NULL)
|
|
X509_free(x);
|
|
if (in != NULL)
|
|
BIO_free(in);
|
|
return (ret);
|
|
}
|
|
#endif
|
|
|
|
int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len,
|
|
const unsigned char *d)
|
|
{
|
|
X509 *x;
|
|
int ret;
|
|
|
|
x = d2i_X509(NULL, &d, (long)len);
|
|
if (x == NULL) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_ASN1, ERR_R_ASN1_LIB);
|
|
return (0);
|
|
}
|
|
|
|
ret = SSL_CTX_use_certificate(ctx, x);
|
|
X509_free(x);
|
|
return (ret);
|
|
}
|
|
|
|
#ifndef OPENSSL_NO_RSA
|
|
int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa)
|
|
{
|
|
int ret;
|
|
EVP_PKEY *pkey;
|
|
|
|
if (rsa == NULL) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
|
|
return (0);
|
|
}
|
|
if (!ssl_cert_inst(&ctx->cert)) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY, ERR_R_MALLOC_FAILURE);
|
|
return (0);
|
|
}
|
|
if ((pkey = EVP_PKEY_new()) == NULL) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY, ERR_R_EVP_LIB);
|
|
return (0);
|
|
}
|
|
|
|
RSA_up_ref(rsa);
|
|
if (EVP_PKEY_assign_RSA(pkey, rsa) <= 0) {
|
|
RSA_free(rsa);
|
|
return 0;
|
|
}
|
|
|
|
ret = ssl_set_pkey(ctx->cert, pkey);
|
|
EVP_PKEY_free(pkey);
|
|
return (ret);
|
|
}
|
|
|
|
# ifndef OPENSSL_NO_STDIO
|
|
int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file, int type)
|
|
{
|
|
int j, ret = 0;
|
|
BIO *in;
|
|
RSA *rsa = NULL;
|
|
|
|
in = BIO_new(BIO_s_file_internal());
|
|
if (in == NULL) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, ERR_R_BUF_LIB);
|
|
goto end;
|
|
}
|
|
|
|
if (BIO_read_filename(in, file) <= 0) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, ERR_R_SYS_LIB);
|
|
goto end;
|
|
}
|
|
if (type == SSL_FILETYPE_ASN1) {
|
|
j = ERR_R_ASN1_LIB;
|
|
rsa = d2i_RSAPrivateKey_bio(in, NULL);
|
|
} else if (type == SSL_FILETYPE_PEM) {
|
|
j = ERR_R_PEM_LIB;
|
|
rsa = PEM_read_bio_RSAPrivateKey(in, NULL,
|
|
ctx->default_passwd_callback,
|
|
ctx->default_passwd_callback_userdata);
|
|
} else {
|
|
SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
|
|
goto end;
|
|
}
|
|
if (rsa == NULL) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, j);
|
|
goto end;
|
|
}
|
|
ret = SSL_CTX_use_RSAPrivateKey(ctx, rsa);
|
|
RSA_free(rsa);
|
|
end:
|
|
if (in != NULL)
|
|
BIO_free(in);
|
|
return (ret);
|
|
}
|
|
# endif
|
|
|
|
int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d,
|
|
long len)
|
|
{
|
|
int ret;
|
|
const unsigned char *p;
|
|
RSA *rsa;
|
|
|
|
p = d;
|
|
if ((rsa = d2i_RSAPrivateKey(NULL, &p, (long)len)) == NULL) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
|
|
return (0);
|
|
}
|
|
|
|
ret = SSL_CTX_use_RSAPrivateKey(ctx, rsa);
|
|
RSA_free(rsa);
|
|
return (ret);
|
|
}
|
|
#endif /* !OPENSSL_NO_RSA */
|
|
|
|
int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey)
|
|
{
|
|
if (pkey == NULL) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
|
|
return (0);
|
|
}
|
|
if (!ssl_cert_inst(&ctx->cert)) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY, ERR_R_MALLOC_FAILURE);
|
|
return (0);
|
|
}
|
|
return (ssl_set_pkey(ctx->cert, pkey));
|
|
}
|
|
|
|
#ifndef OPENSSL_NO_STDIO
|
|
int SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, int type)
|
|
{
|
|
int j, ret = 0;
|
|
BIO *in;
|
|
EVP_PKEY *pkey = NULL;
|
|
|
|
in = BIO_new(BIO_s_file_internal());
|
|
if (in == NULL) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, ERR_R_BUF_LIB);
|
|
goto end;
|
|
}
|
|
|
|
if (BIO_read_filename(in, file) <= 0) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, ERR_R_SYS_LIB);
|
|
goto end;
|
|
}
|
|
if (type == SSL_FILETYPE_PEM) {
|
|
j = ERR_R_PEM_LIB;
|
|
pkey = PEM_read_bio_PrivateKey(in, NULL,
|
|
ctx->default_passwd_callback,
|
|
ctx->default_passwd_callback_userdata);
|
|
} else if (type == SSL_FILETYPE_ASN1) {
|
|
j = ERR_R_ASN1_LIB;
|
|
pkey = d2i_PrivateKey_bio(in, NULL);
|
|
} else {
|
|
SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
|
|
goto end;
|
|
}
|
|
if (pkey == NULL) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, j);
|
|
goto end;
|
|
}
|
|
ret = SSL_CTX_use_PrivateKey(ctx, pkey);
|
|
EVP_PKEY_free(pkey);
|
|
end:
|
|
if (in != NULL)
|
|
BIO_free(in);
|
|
return (ret);
|
|
}
|
|
#endif
|
|
|
|
int SSL_CTX_use_PrivateKey_ASN1(int type, SSL_CTX *ctx,
|
|
const unsigned char *d, long len)
|
|
{
|
|
int ret;
|
|
const unsigned char *p;
|
|
EVP_PKEY *pkey;
|
|
|
|
p = d;
|
|
if ((pkey = d2i_PrivateKey(type, NULL, &p, (long)len)) == NULL) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
|
|
return (0);
|
|
}
|
|
|
|
ret = SSL_CTX_use_PrivateKey(ctx, pkey);
|
|
EVP_PKEY_free(pkey);
|
|
return (ret);
|
|
}
|
|
|
|
#ifndef OPENSSL_NO_STDIO
|
|
/*
|
|
* Read a file that contains our certificate in "PEM" format, possibly
|
|
* followed by a sequence of CA certificates that should be sent to the peer
|
|
* in the Certificate message.
|
|
*/
|
|
int SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file)
|
|
{
|
|
BIO *in;
|
|
int ret = 0;
|
|
X509 *x = NULL;
|
|
|
|
ERR_clear_error(); /* clear error stack for
|
|
* SSL_CTX_use_certificate() */
|
|
|
|
in = BIO_new(BIO_s_file_internal());
|
|
if (in == NULL) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE, ERR_R_BUF_LIB);
|
|
goto end;
|
|
}
|
|
|
|
if (BIO_read_filename(in, file) <= 0) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE, ERR_R_SYS_LIB);
|
|
goto end;
|
|
}
|
|
|
|
x = PEM_read_bio_X509_AUX(in, NULL, ctx->default_passwd_callback,
|
|
ctx->default_passwd_callback_userdata);
|
|
if (x == NULL) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE, ERR_R_PEM_LIB);
|
|
goto end;
|
|
}
|
|
|
|
ret = SSL_CTX_use_certificate(ctx, x);
|
|
|
|
if (ERR_peek_error() != 0)
|
|
ret = 0; /* Key/certificate mismatch doesn't imply
|
|
* ret==0 ... */
|
|
if (ret) {
|
|
/*
|
|
* If we could set up our certificate, now proceed to the CA
|
|
* certificates.
|
|
*/
|
|
X509 *ca;
|
|
int r;
|
|
unsigned long err;
|
|
|
|
SSL_CTX_clear_chain_certs(ctx);
|
|
|
|
while ((ca = PEM_read_bio_X509(in, NULL,
|
|
ctx->default_passwd_callback,
|
|
ctx->default_passwd_callback_userdata))
|
|
!= NULL) {
|
|
r = SSL_CTX_add0_chain_cert(ctx, ca);
|
|
if (!r) {
|
|
X509_free(ca);
|
|
ret = 0;
|
|
goto end;
|
|
}
|
|
/*
|
|
* Note that we must not free r if it was successfully added to
|
|
* the chain (while we must free the main certificate, since its
|
|
* reference count is increased by SSL_CTX_use_certificate).
|
|
*/
|
|
}
|
|
/* When the while loop ends, it's usually just EOF. */
|
|
err = ERR_peek_last_error();
|
|
if (ERR_GET_LIB(err) == ERR_LIB_PEM
|
|
&& ERR_GET_REASON(err) == PEM_R_NO_START_LINE)
|
|
ERR_clear_error();
|
|
else
|
|
ret = 0; /* some real error */
|
|
}
|
|
|
|
end:
|
|
if (x != NULL)
|
|
X509_free(x);
|
|
if (in != NULL)
|
|
BIO_free(in);
|
|
return (ret);
|
|
}
|
|
#endif
|
|
|
|
#ifndef OPENSSL_NO_TLSEXT
|
|
static int serverinfo_find_extension(const unsigned char *serverinfo,
|
|
size_t serverinfo_length,
|
|
unsigned int extension_type,
|
|
const unsigned char **extension_data,
|
|
size_t *extension_length)
|
|
{
|
|
*extension_data = NULL;
|
|
*extension_length = 0;
|
|
if (serverinfo == NULL || serverinfo_length == 0)
|
|
return -1;
|
|
for (;;) {
|
|
unsigned int type = 0;
|
|
size_t len = 0;
|
|
|
|
/* end of serverinfo */
|
|
if (serverinfo_length == 0)
|
|
return 0; /* Extension not found */
|
|
|
|
/* read 2-byte type field */
|
|
if (serverinfo_length < 2)
|
|
return -1; /* Error */
|
|
type = (serverinfo[0] << 8) + serverinfo[1];
|
|
serverinfo += 2;
|
|
serverinfo_length -= 2;
|
|
|
|
/* read 2-byte len field */
|
|
if (serverinfo_length < 2)
|
|
return -1; /* Error */
|
|
len = (serverinfo[0] << 8) + serverinfo[1];
|
|
serverinfo += 2;
|
|
serverinfo_length -= 2;
|
|
|
|
if (len > serverinfo_length)
|
|
return -1; /* Error */
|
|
|
|
if (type == extension_type) {
|
|
*extension_data = serverinfo;
|
|
*extension_length = len;
|
|
return 1; /* Success */
|
|
}
|
|
|
|
serverinfo += len;
|
|
serverinfo_length -= len;
|
|
}
|
|
return 0; /* Error */
|
|
}
|
|
|
|
static int serverinfo_srv_parse_cb(SSL *s, unsigned int ext_type,
|
|
const unsigned char *in,
|
|
size_t inlen, int *al, void *arg)
|
|
{
|
|
|
|
if (inlen != 0) {
|
|
*al = SSL_AD_DECODE_ERROR;
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int serverinfo_srv_add_cb(SSL *s, unsigned int ext_type,
|
|
const unsigned char **out, size_t *outlen,
|
|
int *al, void *arg)
|
|
{
|
|
const unsigned char *serverinfo = NULL;
|
|
size_t serverinfo_length = 0;
|
|
|
|
/* Is there serverinfo data for the chosen server cert? */
|
|
if ((ssl_get_server_cert_serverinfo(s, &serverinfo,
|
|
&serverinfo_length)) != 0) {
|
|
/* Find the relevant extension from the serverinfo */
|
|
int retval = serverinfo_find_extension(serverinfo, serverinfo_length,
|
|
ext_type, out, outlen);
|
|
if (retval == -1) {
|
|
*al = SSL_AD_DECODE_ERROR;
|
|
return -1; /* Error */
|
|
}
|
|
if (retval == 0)
|
|
return 0; /* No extension found, don't send extension */
|
|
return 1; /* Send extension */
|
|
}
|
|
return 0; /* No serverinfo data found, don't send
|
|
* extension */
|
|
}
|
|
|
|
/*
|
|
* With a NULL context, this function just checks that the serverinfo data
|
|
* parses correctly. With a non-NULL context, it registers callbacks for
|
|
* the included extensions.
|
|
*/
|
|
static int serverinfo_process_buffer(const unsigned char *serverinfo,
|
|
size_t serverinfo_length, SSL_CTX *ctx)
|
|
{
|
|
if (serverinfo == NULL || serverinfo_length == 0)
|
|
return 0;
|
|
for (;;) {
|
|
unsigned int ext_type = 0;
|
|
size_t len = 0;
|
|
|
|
/* end of serverinfo */
|
|
if (serverinfo_length == 0)
|
|
return 1;
|
|
|
|
/* read 2-byte type field */
|
|
if (serverinfo_length < 2)
|
|
return 0;
|
|
/* FIXME: check for types we understand explicitly? */
|
|
|
|
/* Register callbacks for extensions */
|
|
ext_type = (serverinfo[0] << 8) + serverinfo[1];
|
|
if (ctx) {
|
|
int have_ext_cbs = 0;
|
|
size_t i;
|
|
custom_ext_methods *exts = &ctx->cert->srv_ext;
|
|
custom_ext_method *meth = exts->meths;
|
|
|
|
for (i = 0; i < exts->meths_count; i++, meth++) {
|
|
if (ext_type == meth->ext_type) {
|
|
have_ext_cbs = 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!have_ext_cbs && !SSL_CTX_add_server_custom_ext(ctx, ext_type,
|
|
serverinfo_srv_add_cb,
|
|
NULL, NULL,
|
|
serverinfo_srv_parse_cb,
|
|
NULL))
|
|
return 0;
|
|
}
|
|
|
|
serverinfo += 2;
|
|
serverinfo_length -= 2;
|
|
|
|
/* read 2-byte len field */
|
|
if (serverinfo_length < 2)
|
|
return 0;
|
|
len = (serverinfo[0] << 8) + serverinfo[1];
|
|
serverinfo += 2;
|
|
serverinfo_length -= 2;
|
|
|
|
if (len > serverinfo_length)
|
|
return 0;
|
|
|
|
serverinfo += len;
|
|
serverinfo_length -= len;
|
|
}
|
|
}
|
|
|
|
int SSL_CTX_use_serverinfo(SSL_CTX *ctx, const unsigned char *serverinfo,
|
|
size_t serverinfo_length)
|
|
{
|
|
unsigned char *new_serverinfo;
|
|
|
|
if (ctx == NULL || serverinfo == NULL || serverinfo_length == 0) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO, ERR_R_PASSED_NULL_PARAMETER);
|
|
return 0;
|
|
}
|
|
if (!serverinfo_process_buffer(serverinfo, serverinfo_length, NULL)) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO, SSL_R_INVALID_SERVERINFO_DATA);
|
|
return 0;
|
|
}
|
|
if (!ssl_cert_inst(&ctx->cert)) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO, ERR_R_MALLOC_FAILURE);
|
|
return 0;
|
|
}
|
|
if (ctx->cert->key == NULL) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO, ERR_R_INTERNAL_ERROR);
|
|
return 0;
|
|
}
|
|
new_serverinfo = OPENSSL_realloc(ctx->cert->key->serverinfo,
|
|
serverinfo_length);
|
|
if (new_serverinfo == NULL) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO, ERR_R_MALLOC_FAILURE);
|
|
return 0;
|
|
}
|
|
ctx->cert->key->serverinfo = new_serverinfo;
|
|
memcpy(ctx->cert->key->serverinfo, serverinfo, serverinfo_length);
|
|
ctx->cert->key->serverinfo_length = serverinfo_length;
|
|
|
|
/*
|
|
* Now that the serverinfo is validated and stored, go ahead and
|
|
* register callbacks.
|
|
*/
|
|
if (!serverinfo_process_buffer(serverinfo, serverinfo_length, ctx)) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO, SSL_R_INVALID_SERVERINFO_DATA);
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
# ifndef OPENSSL_NO_STDIO
|
|
int SSL_CTX_use_serverinfo_file(SSL_CTX *ctx, const char *file)
|
|
{
|
|
unsigned char *serverinfo = NULL;
|
|
size_t serverinfo_length = 0;
|
|
unsigned char *extension = 0;
|
|
long extension_length = 0;
|
|
char *name = NULL;
|
|
char *header = NULL;
|
|
char namePrefix[] = "SERVERINFO FOR ";
|
|
int ret = 0;
|
|
BIO *bin = NULL;
|
|
size_t num_extensions = 0;
|
|
unsigned char *new_serverinfo;
|
|
|
|
if (ctx == NULL || file == NULL) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE,
|
|
ERR_R_PASSED_NULL_PARAMETER);
|
|
goto end;
|
|
}
|
|
|
|
bin = BIO_new(BIO_s_file_internal());
|
|
if (bin == NULL) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, ERR_R_BUF_LIB);
|
|
goto end;
|
|
}
|
|
if (BIO_read_filename(bin, file) <= 0) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, ERR_R_SYS_LIB);
|
|
goto end;
|
|
}
|
|
|
|
for (num_extensions = 0;; num_extensions++) {
|
|
if (PEM_read_bio(bin, &name, &header, &extension, &extension_length)
|
|
== 0) {
|
|
/*
|
|
* There must be at least one extension in this file
|
|
*/
|
|
if (num_extensions == 0) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE,
|
|
SSL_R_NO_PEM_EXTENSIONS);
|
|
goto end;
|
|
} else /* End of file, we're done */
|
|
break;
|
|
}
|
|
/* Check that PEM name starts with "BEGIN SERVERINFO FOR " */
|
|
if (strlen(name) < strlen(namePrefix)) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE,
|
|
SSL_R_PEM_NAME_TOO_SHORT);
|
|
goto end;
|
|
}
|
|
if (strncmp(name, namePrefix, strlen(namePrefix)) != 0) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE,
|
|
SSL_R_PEM_NAME_BAD_PREFIX);
|
|
goto end;
|
|
}
|
|
/*
|
|
* Check that the decoded PEM data is plausible (valid length field)
|
|
*/
|
|
if (extension_length < 4
|
|
|| (extension[2] << 8) + extension[3] != extension_length - 4) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, SSL_R_BAD_DATA);
|
|
goto end;
|
|
}
|
|
/* Append the decoded extension to the serverinfo buffer */
|
|
new_serverinfo =
|
|
OPENSSL_realloc(serverinfo, serverinfo_length + extension_length);
|
|
if (new_serverinfo == NULL) {
|
|
SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, ERR_R_MALLOC_FAILURE);
|
|
goto end;
|
|
}
|
|
serverinfo = new_serverinfo;
|
|
memcpy(serverinfo + serverinfo_length, extension, extension_length);
|
|
serverinfo_length += extension_length;
|
|
|
|
OPENSSL_free(name);
|
|
name = NULL;
|
|
OPENSSL_free(header);
|
|
header = NULL;
|
|
OPENSSL_free(extension);
|
|
extension = NULL;
|
|
}
|
|
|
|
ret = SSL_CTX_use_serverinfo(ctx, serverinfo, serverinfo_length);
|
|
end:
|
|
/* SSL_CTX_use_serverinfo makes a local copy of the serverinfo. */
|
|
OPENSSL_free(name);
|
|
OPENSSL_free(header);
|
|
OPENSSL_free(extension);
|
|
OPENSSL_free(serverinfo);
|
|
if (bin != NULL)
|
|
BIO_free(bin);
|
|
return ret;
|
|
}
|
|
# endif /* OPENSSL_NO_STDIO */
|
|
#endif /* OPENSSL_NO_TLSEXT */
|