barrier/src/plugin/ns/SecureSocket.h

/*
 * synergy -- mouse and keyboard sharing utility
 * Copyright (C) 2015 Synergy Si Ltd.
 * 
 * This package is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * found in the file COPYING that should have accompanied this file.
 * 
 * This package is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once

#include "base/XBase.h"
#include "base/Log.h"

//! Generic socket exception
XBASE_SUBCLASS(XSecureSocket, XBase);

//! SSL
/*!
Secure socket layer using OpenSSL.
*/

struct Ssl;

class SecureSocket {
public:
	SecureSocket();
	~SecureSocket();

	void				initContext(bool server);
	void				loadCertificates(const char* CertFile);
	void				createSSL();
	void				accept(int s);
	void				connect(int s);
	size_t				write(const void* buffer, int size);
	size_t				read(void* buffer, int size);
	bool				isReady();

private:
	void				showCertificate();
	bool				checkResult(int n);
	void				showError();
	void				throwError(const char* reason);
	bool				getError();

private:
	Ssl*				m_ssl;
	bool				m_ready;
	char*				m_error;
	const size_t		m_errorSize;
};