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/*
en50221 encoder An implementation for libdvb
an implementation for the en50221 transport layer
Copyright (C) 2004, 2005 Manu Abraham (manu@kromtek.com)
Copyright (C) 2005 Julian Scheel (julian at jusst dot de)
Copyright (C) 2006 Andrew de Quincey (adq_dvb@lidskialf.net)
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of
the License, or (at your option) any later version.
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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __EN50221_APPLICATION_auth_H__
#define __EN50221_APPLICATION_auth_H__
#ifdef __cplusplus
extern "C"
{
#endif
#include <stdlib.h>
#include <stdint.h>
#include <libdvben50221/en50221_app_utils.h>
#define EN50221_APP_AUTH_RESOURCEID MKRID(16,1,1)
/**
* Type definition for request - called when we receive a auth request from a CAM.
*
* @param arg Private argument.
* @param slot_id Slot id concerned.
* @param session_number Session number concerned.
* @param auth_protocol_id Auth protocol id.
* @param auth_data Data for the request.
* @param auth_data_lenghth Number of bytes.
* @return 0 on success, -1 on failure.
*/
typedef int (*en50221_app_auth_request_callback)(void *arg, uint8_t slot_id, uint16_t session_number,
uint16_t auth_protcol_id, uint8_t *auth_data,
uint32_t auth_data_length);
/**
* Opaque type representing a auth resource.
*/
typedef void *en50221_app_auth;
/**
* Create an instance of the auth resource.
*
* @param funcs Send functions to use.
* @return Instance, or NULL on failure.
*/
extern en50221_app_auth en50221_app_auth_create(struct en50221_app_send_functions *funcs);
/**
* Destroy an instance of the auth resource.
*
* @param auth Instance to destroy.
*/
extern void en50221_app_auth_destroy(en50221_app_auth auth);
/**
* Register the callback for when we receive a request.
*
* @param auth auth resource instance.
* @param callback The callback. Set to NULL to remove the callback completely.
* @param arg Private data passed as arg0 of the callback.
*/
extern void en50221_app_auth_register_request_callback(en50221_app_auth auth,
en50221_app_auth_request_callback callback, void *arg);
/**
* Send an auth response to the CAM.
*
* @param auth auth resource instance.
* @param session_number Session number to send it on.
* @param auth_protocol_id Auth protocol id.
* @param auth_data Auth data.
* @param auth_data_length Number of bytes.
* @return 0 on success, -1 on failure.
*/
extern int en50221_app_auth_send(en50221_app_auth auth,
uint16_t session_number,
uint16_t auth_protocol_id, uint8_t *auth_data,
uint32_t auth_data_length);
/**
* Pass data received for this resource into it for parsing.
*
* @param auth Authentication instance.
* @param slot_id Slot ID concerned.
* @param session_number Session number concerned.
* @param resource_id Resource ID concerned.
* @param data The data.
* @param data_length Length of data in bytes.
* @return 0 on success, -1 on failure.
*/
extern int en50221_app_auth_message(en50221_app_auth auth,
uint8_t slot_id,
uint16_t session_number,
uint32_t resource_id,
uint8_t *data, uint32_t data_length);
#ifdef __cplusplus
}
#endif
#endif
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