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/*
* Copyright (C) 2010 Martin Willi
* Copyright (C) 2010 revosec AG
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program 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.
*/
/*
* Copyright (C) 2015 Thom Troy
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
/**
* @defgroup radius_socket radius_socket
* @{ @ingroup libradius
*/
#ifndef RADIUS_SOCKET_H_
#define RADIUS_SOCKET_H_
typedef struct radius_socket_t radius_socket_t;
#include "radius_message.h"
#include <networking/host.h>
/**
* RADIUS socket to a server.
*/
struct radius_socket_t {
/**
* Send a RADIUS request, wait for response.
*
* The socket fills in RADIUS Message identifier, builds a
* Request-Authenticator and calculates the Message-Authenticator
* attribute.
* The received response gets verified using the Response-Identifier
* and the Message-Authenticator attribute.
*
* @param request request message
* @return response message, NULL if timed out
*/
radius_message_t* (*request)(radius_socket_t *this,
radius_message_t *request);
/**
* Decrypt the MSK encoded in a messages MS-MPPE-Send/Recv-Key.
*
* @param request associated RADIUS request message
* @param response RADIUS response message containing attributes
* @return allocated MSK, empty chunk if none found
*/
chunk_t (*decrypt_msk)(radius_socket_t *this, radius_message_t *request,
radius_message_t *response);
/**
* Destroy a radius_socket_t.
*/
void (*destroy)(radius_socket_t *this);
};
/**
* Create a radius_socket instance.
*
* @param address server name
* @param auth_port server port for authentication
* @param acct_port server port for accounting
* @param secret RADIUS secret
* @param tries number of times we retransmit messages
* @param timeout retransmission timeout
* @param base base to calculate retransmission timeout
*/
radius_socket_t *radius_socket_create(char *address, u_int16_t auth_port,
u_int16_t acct_port, chunk_t secret,
u_int tries, double timeout, double base);
#endif /** RADIUS_SOCKET_H_ @}*/
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