168 lines
3.7 KiB
C
168 lines
3.7 KiB
C
/*
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* Copyright (C) 2010-213 Andreas Steffen
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* HSR Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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/**
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* @defgroup pb_tnc_msg pb_tnc_msg
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* @{ @ingroup tnccs_20
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*/
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#ifndef PB_TNC_MSG_H_
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#define PB_TNC_MSG_H_
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typedef enum pb_tnc_msg_type_t pb_tnc_msg_type_t;
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typedef struct pb_tnc_msg_info_t pb_tnc_msg_info_t;
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typedef struct pb_tnc_msg_t pb_tnc_msg_t;
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#include <library.h>
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#include <pen/pen.h>
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#define PB_TNC_VERSION 2
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/**
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* PB-TNC Message Types as defined in section 4.3 of RFC 5793
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*/
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enum pb_tnc_msg_type_t {
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PB_MSG_EXPERIMENTAL = 0,
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PB_MSG_PA = 1,
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PB_MSG_ASSESSMENT_RESULT = 2,
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PB_MSG_ACCESS_RECOMMENDATION = 3,
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PB_MSG_REMEDIATION_PARAMETERS = 4,
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PB_MSG_ERROR = 5,
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PB_MSG_LANGUAGE_PREFERENCE = 6,
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PB_MSG_REASON_STRING = 7,
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PB_MSG_ROOF = 7
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};
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/**
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* enum name for pb_tnc_msg_type_t.
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*/
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extern enum_name_t *pb_tnc_msg_type_names;
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/**
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* PB-TNC Message Type defined in the TCG namespace
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*/
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enum pb_tnc_tcg_msg_type_t {
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PB_TCG_MSG_RESERVED = 0,
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PB_TCG_MSG_PDP_REFERRAL = 1,
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PB_TCG_MSG_ROOF = 1
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};
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/**
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* enum name for pb_tnc_tcg_msg_type_t.
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*/
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extern enum_name_t *pb_tnc_tcg_msg_type_names;
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/**
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* PB-TNC Message Type defined in the ITA namespace
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*/
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enum pb_tnc_ita_msg_type_t {
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PB_ITA_MSG_NOSKIP_TEST = 0,
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PB_ITA_MSG_MUTUAL_CAPABILITY = 1,
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PB_ITA_MSG_ROOF = 1
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};
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/**
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* enum name for pb_tnc_tcg_msg_type_t.
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*/
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extern enum_name_t *pb_tnc_ita_msg_type_names;
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/**
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* Information entry describing a PB-TNC Message Type
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*/
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struct pb_tnc_msg_info_t {
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u_int32_t min_size;
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bool exact_size;
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bool in_result_batch;
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signed char has_noskip_flag;
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};
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#define TRUE_OR_FALSE 2
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/**
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* Information on PB-TNC Message Types
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*/
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extern pb_tnc_msg_info_t pb_tnc_msg_infos[];
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/**
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* Information on PB-TNC TCG Message Types
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*/
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extern pb_tnc_msg_info_t pb_tnc_tcg_msg_infos[];
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/**
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* Information on PB-TNC ITA Message Types
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*/
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extern pb_tnc_msg_info_t pb_tnc_ita_msg_infos[];
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/**
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* Generic interface for all PB-TNC message types.
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*
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* To handle all messages in a generic way, this interface
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* must be implemented by each message type.
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*/
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struct pb_tnc_msg_t {
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/**
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* Get the PB-TNC Message Type
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*
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* @return PB-TNC Message Type
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*/
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pen_type_t (*get_type)(pb_tnc_msg_t *this);
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/**
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* Get the encoding of the PB-TNC Message Value
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*
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* @return encoded PB-TNC Message Value
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*/
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chunk_t (*get_encoding)(pb_tnc_msg_t *this);
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/**
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* Build the PB-TNC Message Value
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*/
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void (*build)(pb_tnc_msg_t *this);
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/**
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* Process the PB-TNC Message Value
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*
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* @param relative offset where an error occurred
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* @return return processing status
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*/
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status_t (*process)(pb_tnc_msg_t *this, u_int32_t *offset);
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/**
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* Get a new reference to the message.
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*
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* @return this, with an increased refcount
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*/
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pb_tnc_msg_t* (*get_ref)(pb_tnc_msg_t *this);
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/**
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* Destroys a pb_tnc_msg_t object.
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*/
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void (*destroy)(pb_tnc_msg_t *this);
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};
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/**
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* Create an unprocessed PB-TNC message
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*
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* Useful for the parser which wants a generic constructor for all
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* pb_tnc_message_t types.
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*
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* @param msg_type PB-TNC message type
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* @param value PB-TNC message value
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*/
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pb_tnc_msg_t* pb_tnc_msg_create_from_data(pen_type_t msg_type, chunk_t value);
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#endif /** PB_TNC_MSG_H_ @}*/
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