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/*
* Copyright (C) 2001-2003 Peter J Jones (pjones@pmade.org)
* All Rights Reserved
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name of the Author nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/** @file
* This file implements the TLS::tls_pimpl struct.
**/
// Netxx includes
#include "TLS_tls_pimpl.h"
#include "Netxx/Types.h"
// OpenSSL includes
#include <openssl/ssl.h>
#include <openssl/bio.h>
#include <openssl/err.h>
// standard includes
#include <cstring>
//####################################################################
namespace {
const unsigned int const_error_buffer_size = 240;
}
//####################################################################
Netxx::TLS::tls_pimpl::tls_pimpl(context_pimpl *ctx_pimpl)
: ctx_pimpl_(ctx_pimpl), pi_(this)
{ }
//####################################################################
Netxx::TLS::tls_pimpl::tls_pimpl(context_pimpl *ctx_pimpl, int socketfd)
: ctx_pimpl_(ctx_pimpl), socket_(socketfd), pi_(this)
{ }
//####################################################################
void Netxx::TLS::tls_pimpl::init (void) {
server_ = false;
if ( (openssl_ssl_ = SSL_new(ctx_pimpl_->openssl_ctx_)) == 0) {
throw Exception("failed to create TLS handle (struct OpenSSL::SSL)");
}
BIO *tmp_bio;
if ( (tmp_bio = BIO_new_socket(socket_.get_socketfd(), BIO_NOCLOSE)) == 0)
throw Exception("failed to create TLS socket BIO");
SSL_set_bio(openssl_ssl_, tmp_bio, tmp_bio);
pi_.add_socket(socket_.get_socketfd());
}
//####################################################################
Netxx::TLS::tls_pimpl::~tls_pimpl (void) {
SSL_free(openssl_ssl_);
}
//####################################################################
void Netxx::TLS::tls_pimpl::error2exception (const char *prefix) {
char buffer[const_error_buffer_size];
std::string error("OpenSSL: ");
if (prefix) {
error += prefix;
error += ": ";
}
std::memset(buffer, 0, sizeof(buffer));
ERR_error_string_n(ERR_get_error(), buffer, sizeof(buffer));
error += buffer;
while (ERR_get_error() != 0);
throw Exception(error);
}
//####################################################################
Netxx::ProbeInfo::pending_type Netxx::TLS::TLS_ProbeInfo::check_pending (socket_type, pending_type pt) const {
if ((pt == pending_none || pt & pending_read) && SSL_pending(pimpl_->openssl_ssl_)) return pending_read;
return pending_none;
}
//####################################################################
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