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Annotation of embedaddon/strongswan/src/libimcv/pa_tnc/pa_tnc_attr.h, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Copyright (C) 2011-2014 Andreas Steffen
        !             3:  * HSR Hochschule fuer Technik Rapperswil
        !             4:  *
        !             5:  * This program is free software; you can redistribute it and/or modify it
        !             6:  * under the terms of the GNU General Public License as published by the
        !             7:  * Free Software Foundation; either version 2 of the License, or (at your
        !             8:  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
        !             9:  *
        !            10:  * This program is distributed in the hope that it will be useful, but
        !            11:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
        !            12:  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
        !            13:  * for more details.
        !            14:  */
        !            15: 
        !            16: /**
        !            17:  * @defgroup pa_tnc_attr pa_tnc_attr
        !            18:  * @{ @ingroup pa_tnc
        !            19:  */
        !            20: 
        !            21: #ifndef PA_TNC_ATTR_H_
        !            22: #define PA_TNC_ATTR_H_
        !            23: 
        !            24: typedef struct pa_tnc_attr_t pa_tnc_attr_t;
        !            25: 
        !            26: #include <library.h>
        !            27: #include <pen/pen.h>
        !            28: 
        !            29: #define PA_TNC_ATTR_INFO_SIZE           8
        !            30: #define PA_TNC_ATTR_HEADER_SIZE                12
        !            31: 
        !            32: #define PA_TNC_ATTR_FLAG_NONE          0x00
        !            33: #define PA_TNC_ATTR_FLAG_NOSKIP                (1<<7)
        !            34: 
        !            35: /**
        !            36:  * Interface for an RFC 5792 PA-TNC Posture Attribute.
        !            37:  *
        !            38:  */
        !            39: struct pa_tnc_attr_t {
        !            40: 
        !            41:        /**
        !            42:         * Get the vendor ID/type of an PA-TNC attribute
        !            43:         *
        !            44:         * @return                                      vendor-specific attribute type
        !            45:         */
        !            46:        pen_type_t (*get_type)(pa_tnc_attr_t *this);
        !            47: 
        !            48:        /**
        !            49:         * Get the value of an PA-TNC attribute
        !            50:         *
        !            51:         * @return                                      attribute value
        !            52:         */
        !            53:        chunk_t (*get_value)(pa_tnc_attr_t *this);
        !            54: 
        !            55:        /**
        !            56:         * Get the noskip flag
        !            57:         *
        !            58:         * @return                                      TRUE if the noskip flag is set
        !            59:         */
        !            60:        bool (*get_noskip_flag)(pa_tnc_attr_t *this);
        !            61: 
        !            62:        /**
        !            63:         * Set the noskip flag
        !            64:         *
        !            65:         * @param noskip_flag           TRUE if the noskip flag is to be set
        !            66:         */
        !            67:        void (*set_noskip_flag)(pa_tnc_attr_t *this, bool noskip);
        !            68: 
        !            69:        /**
        !            70:         * Build value of an PA-TNC attribute from its parameters
        !            71:         */
        !            72:        void (*build)(pa_tnc_attr_t *this);
        !            73: 
        !            74:        /**
        !            75:         * Process the value of an PA-TNC attribute to extract its parameters
        !            76:         *
        !            77:         * @param offset                        relative error offset within attribute body
        !            78:         * @return                                      result status
        !            79:         */
        !            80:        status_t (*process)(pa_tnc_attr_t *this, uint32_t *offset);
        !            81: 
        !            82:        /**
        !            83:         * Add a data segment to an attribute allowing incremental processing
        !            84:         *
        !            85:         * @param segment                       data segment to be appended
        !            86:         */
        !            87:        void (*add_segment)(pa_tnc_attr_t *this, chunk_t segment);
        !            88: 
        !            89:        /**
        !            90:         * Get a new reference to the PA-TNC attribute
        !            91:         *
        !            92:         * @return                      this, with an increased refcount
        !            93:         */
        !            94:        pa_tnc_attr_t* (*get_ref)(pa_tnc_attr_t *this);
        !            95: 
        !            96:        /**
        !            97:         * Destroys a pa_tnc_attr_t object.
        !            98:         */
        !            99:        void (*destroy)(pa_tnc_attr_t *this);
        !           100: };
        !           101: 
        !           102: #endif /** PA_TNC_ATTR_H_ @}*/