Return to pa_tnc_attr.h CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / strongswan / src / libimcv / pa_tnc

Annotation of embedaddon/strongswan/src/libimcv/pa_tnc/pa_tnc_attr.h, revision 1.1.1.1

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_ @}*/