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construct/include/ircd/openssl.h

74 lines
2.4 KiB
C++

/*
* charybdis: 21st Century IRC++d
*
* Copyright (C) 2017 Charybdis Development Team
* Copyright (C) 2017 Jason Volk <jason@zemos.net>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice is present in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*
*/
#pragma once
#define HAVE_IRCD_OPENSSL_H
// Forward declarations for OpenSSL because it is not included here.
struct ssl_st;
struct x509_st;
/// OpenSSL library interface. Provides things we need to expose from OpenSSL
/// to the rest of the project. Anything that employs forward declared types
/// here is lower level meant for definition files which may or may not include
/// OpenSSL directly but use this interface for DRY nonetheless. Otherwise
/// higher level wrappers should be used if available here.
namespace ircd::openssl
{
IRCD_EXCEPTION(ircd::error, error)
struct init;
using SSL = ::ssl_st;
using X509 = ::x509_st;
string_view version();
// Observers
string_view error_string(const mutable_buffer &buf, const ulong &);
ulong peek_error();
// Using these will clobber other libraries (like boost); so don't
ulong get_error();
void clear_error();
// Convert PEM string to X509
X509 &read(X509 *out, const string_view &cert);
// Convert X509 certificate to DER encoding
const_raw_buffer i2d(const mutable_raw_buffer &out, const X509 &);
// Convert PEM string to DER
const_raw_buffer cert2d(const mutable_raw_buffer &out, const string_view &cert);
// Get X509 certificate from struct SSL (get SSL from a socket)
const X509 &get_peer_cert(const SSL &);
X509 &get_peer_cert(SSL &);
}
struct ircd::openssl::init
{
init();
~init() noexcept;
};