696 lines
15 KiB
C
Executable File
696 lines
15 KiB
C
Executable File
/* $OpenBSD: ssl_rsa.c,v 1.31 2019/03/25 16:46:48 jsing Exp $ */
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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/evp.h>
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#include <openssl/objects.h>
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#include <openssl/pem.h>
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#include <openssl/x509.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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static int ssl_ctx_use_certificate_chain_bio(SSL_CTX *, BIO *);
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int
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SSL_use_certificate(SSL *ssl, X509 *x)
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{
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if (x == NULL) {
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SSLerror(ssl, ERR_R_PASSED_NULL_PARAMETER);
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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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int
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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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SSLerror(ssl, 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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SSLerror(ssl, 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,
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ssl->ctx->default_passwd_callback,
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ssl->ctx->default_passwd_callback_userdata);
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} else {
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SSLerror(ssl, 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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SSLerror(ssl, 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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X509_free(x);
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BIO_free(in);
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return (ret);
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}
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int
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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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SSLerror(ssl, 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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int
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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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SSLerror(ssl, ERR_R_PASSED_NULL_PARAMETER);
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return (0);
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}
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if ((pkey = EVP_PKEY_new()) == NULL) {
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SSLerror(ssl, 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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EVP_PKEY_assign_RSA(pkey, rsa);
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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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static int
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ssl_set_pkey(CERT *c, EVP_PKEY *pkey)
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{
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int i;
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i = ssl_cert_type(NULL, pkey);
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if (i < 0) {
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SSLerrorx(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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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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/*
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* Don't check the public/private key, this is mostly
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* for smart 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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;
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else
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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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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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int
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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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SSLerror(ssl, 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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SSLerror(ssl, 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->ctx->default_passwd_callback_userdata);
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} else {
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SSLerror(ssl, 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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SSLerror(ssl, 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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BIO_free(in);
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return (ret);
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}
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int
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SSL_use_RSAPrivateKey_ASN1(SSL *ssl, const unsigned char *d, long len)
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{
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int ret;
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RSA *rsa;
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if ((rsa = d2i_RSAPrivateKey(NULL, &d, (long)len)) == NULL) {
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SSLerror(ssl, 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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int
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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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SSLerror(ssl, ERR_R_PASSED_NULL_PARAMETER);
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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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int
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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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SSLerror(ssl, 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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SSLerror(ssl, 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->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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SSLerror(ssl, 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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SSLerror(ssl, 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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BIO_free(in);
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return (ret);
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}
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int
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SSL_use_PrivateKey_ASN1(int type, SSL *ssl, const unsigned char *d, long len)
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{
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int ret;
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EVP_PKEY *pkey;
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if ((pkey = d2i_PrivateKey(type, NULL, &d, (long)len)) == NULL) {
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SSLerror(ssl, 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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int
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SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x)
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{
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if (x == NULL) {
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SSLerrorx(ERR_R_PASSED_NULL_PARAMETER);
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return (0);
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}
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return (ssl_set_cert(ctx->internal->cert, x));
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}
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static int
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ssl_set_cert(CERT *c, X509 *x)
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{
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EVP_PKEY *pkey;
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int i;
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pkey = X509_get_pubkey(x);
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if (pkey == NULL) {
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SSLerrorx(SSL_R_X509_LIB);
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return (0);
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}
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i = ssl_cert_type(x, pkey);
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if (i < 0) {
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SSLerrorx(SSL_R_UNKNOWN_CERTIFICATE_TYPE);
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EVP_PKEY_free(pkey);
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return (0);
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}
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if (c->pkeys[i].privatekey != NULL) {
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EVP_PKEY_copy_parameters(pkey, c->pkeys[i].privatekey);
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ERR_clear_error();
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/*
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* Don't check the public/private key, this is mostly
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* for smart cards.
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*/
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if ((c->pkeys[i].privatekey->type == EVP_PKEY_RSA) &&
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(RSA_flags(c->pkeys[i].privatekey->pkey.rsa) &
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RSA_METHOD_FLAG_NO_CHECK))
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;
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else
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if (!X509_check_private_key(x, c->pkeys[i].privatekey)) {
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/*
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* don't fail for a cert/key mismatch, just free
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* current private key (when switching to a different
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* cert & key, first this function should be used,
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* then ssl_set_pkey
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*/
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EVP_PKEY_free(c->pkeys[i].privatekey);
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c->pkeys[i].privatekey = NULL;
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/* clear error queue */
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ERR_clear_error();
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}
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}
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EVP_PKEY_free(pkey);
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X509_free(c->pkeys[i].x509);
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CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
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c->pkeys[i].x509 = x;
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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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int
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SSL_CTX_use_certificate_file(SSL_CTX *ctx, 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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SSLerrorx(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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SSLerrorx(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, ctx->default_passwd_callback,
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ctx->default_passwd_callback_userdata);
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} else {
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SSLerrorx(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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SSLerrorx(j);
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goto end;
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}
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ret = SSL_CTX_use_certificate(ctx, x);
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end:
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X509_free(x);
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BIO_free(in);
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return (ret);
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}
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int
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SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len, const unsigned char *d)
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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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SSLerrorx(ERR_R_ASN1_LIB);
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return (0);
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}
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ret = SSL_CTX_use_certificate(ctx, x);
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X509_free(x);
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return (ret);
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}
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int
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SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa)
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{
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int ret;
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EVP_PKEY *pkey;
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if (rsa == NULL) {
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SSLerrorx(ERR_R_PASSED_NULL_PARAMETER);
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return (0);
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}
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if ((pkey = EVP_PKEY_new()) == NULL) {
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SSLerrorx(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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EVP_PKEY_assign_RSA(pkey, rsa);
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ret = ssl_set_pkey(ctx->internal->cert, pkey);
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EVP_PKEY_free(pkey);
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return (ret);
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}
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int
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SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, 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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SSLerrorx(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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SSLerrorx(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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ctx->default_passwd_callback,
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ctx->default_passwd_callback_userdata);
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} else {
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SSLerrorx(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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SSLerrorx(j);
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goto end;
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}
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ret = SSL_CTX_use_RSAPrivateKey(ctx, rsa);
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RSA_free(rsa);
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end:
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BIO_free(in);
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return (ret);
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}
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int
|
|
SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d, long len)
|
|
{
|
|
int ret;
|
|
RSA *rsa;
|
|
|
|
if ((rsa = d2i_RSAPrivateKey(NULL, &d, (long)len)) == NULL) {
|
|
SSLerrorx(ERR_R_ASN1_LIB);
|
|
return (0);
|
|
}
|
|
|
|
ret = SSL_CTX_use_RSAPrivateKey(ctx, rsa);
|
|
RSA_free(rsa);
|
|
return (ret);
|
|
}
|
|
|
|
int
|
|
SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey)
|
|
{
|
|
if (pkey == NULL) {
|
|
SSLerrorx(ERR_R_PASSED_NULL_PARAMETER);
|
|
return (0);
|
|
}
|
|
return (ssl_set_pkey(ctx->internal->cert, pkey));
|
|
}
|
|
|
|
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) {
|
|
SSLerrorx(ERR_R_BUF_LIB);
|
|
goto end;
|
|
}
|
|
|
|
if (BIO_read_filename(in, file) <= 0) {
|
|
SSLerrorx(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 {
|
|
SSLerrorx(SSL_R_BAD_SSL_FILETYPE);
|
|
goto end;
|
|
}
|
|
if (pkey == NULL) {
|
|
SSLerrorx(j);
|
|
goto end;
|
|
}
|
|
ret = SSL_CTX_use_PrivateKey(ctx, pkey);
|
|
EVP_PKEY_free(pkey);
|
|
end:
|
|
BIO_free(in);
|
|
return (ret);
|
|
}
|
|
|
|
int
|
|
SSL_CTX_use_PrivateKey_ASN1(int type, SSL_CTX *ctx, const unsigned char *d,
|
|
long len)
|
|
{
|
|
int ret;
|
|
EVP_PKEY *pkey;
|
|
|
|
if ((pkey = d2i_PrivateKey(type, NULL, &d, (long)len)) == NULL) {
|
|
SSLerrorx(ERR_R_ASN1_LIB);
|
|
return (0);
|
|
}
|
|
|
|
ret = SSL_CTX_use_PrivateKey(ctx, pkey);
|
|
EVP_PKEY_free(pkey);
|
|
return (ret);
|
|
}
|
|
|
|
|
|
/*
|
|
* Read a bio 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.
|
|
*/
|
|
static int
|
|
ssl_ctx_use_certificate_chain_bio(SSL_CTX *ctx, BIO *in)
|
|
{
|
|
X509 *ca, *x = NULL;
|
|
unsigned long err;
|
|
int ret = 0;
|
|
|
|
if ((x = PEM_read_bio_X509_AUX(in, NULL, ctx->default_passwd_callback,
|
|
ctx->default_passwd_callback_userdata)) == NULL) {
|
|
SSLerrorx(ERR_R_PEM_LIB);
|
|
goto err;
|
|
}
|
|
|
|
if (!SSL_CTX_use_certificate(ctx, x))
|
|
goto err;
|
|
|
|
if (!ssl_cert_set0_chain(ctx->internal->cert, NULL))
|
|
goto err;
|
|
|
|
/* Process any additional CA certificates. */
|
|
while ((ca = PEM_read_bio_X509(in, NULL,
|
|
ctx->default_passwd_callback,
|
|
ctx->default_passwd_callback_userdata)) != NULL) {
|
|
if (!ssl_cert_add0_chain_cert(ctx->internal->cert, ca)) {
|
|
X509_free(ca);
|
|
goto err;
|
|
}
|
|
}
|
|
|
|
/* 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();
|
|
ret = 1;
|
|
}
|
|
|
|
err:
|
|
X509_free(x);
|
|
|
|
return (ret);
|
|
}
|
|
|
|
int
|
|
SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file)
|
|
{
|
|
BIO *in;
|
|
int ret = 0;
|
|
|
|
in = BIO_new(BIO_s_file_internal());
|
|
if (in == NULL) {
|
|
SSLerrorx(ERR_R_BUF_LIB);
|
|
goto end;
|
|
}
|
|
|
|
if (BIO_read_filename(in, file) <= 0) {
|
|
SSLerrorx(ERR_R_SYS_LIB);
|
|
goto end;
|
|
}
|
|
|
|
ret = ssl_ctx_use_certificate_chain_bio(ctx, in);
|
|
|
|
end:
|
|
BIO_free(in);
|
|
return (ret);
|
|
}
|
|
|
|
int
|
|
SSL_CTX_use_certificate_chain_mem(SSL_CTX *ctx, void *buf, int len)
|
|
{
|
|
BIO *in;
|
|
int ret = 0;
|
|
|
|
in = BIO_new_mem_buf(buf, len);
|
|
if (in == NULL) {
|
|
SSLerrorx(ERR_R_BUF_LIB);
|
|
goto end;
|
|
}
|
|
|
|
ret = ssl_ctx_use_certificate_chain_bio(ctx, in);
|
|
|
|
end:
|
|
BIO_free(in);
|
|
return (ret);
|
|
}
|