src/libimcv/tcg/swid/tcg_swid_attr_req.h

   1 /*
   2  * Copyright (C) 2013-2017 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 tcg_swid_attr_req tcg_swid_attr_req
  18  * @{ @ingroup tcg_attr
  19  */
  20
  21 #ifndef TCG_SWID_ATTR_REQ_H_
  22 #define TCG_SWID_ATTR_REQ_H_
  23
  24 #define TCG_SWID_REQ_MIN_SIZE   12
  25
  26 typedef struct tcg_swid_attr_req_t tcg_swid_attr_req_t;
  27 typedef enum tcg_swid_attr_req_flag_t tcg_swid_attr_req_flag_t;
  28
  29 enum tcg_swid_attr_req_flag_t {
  30         TCG_SWID_ATTR_REQ_FLAG_NONE = 0,
  31         TCG_SWID_ATTR_REQ_FLAG_C =   (1 << 7),
  32         TCG_SWID_ATTR_REQ_FLAG_S =   (1 << 6),
  33         TCG_SWID_ATTR_REQ_FLAG_R =   (1 << 5)
  34 };
  35
  36 #include "tcg/tcg_attr.h"
  37 #include "swid/swid_tag_id.h"
  38 #include "swid/swid_inventory.h"
  39 #include "pa_tnc/pa_tnc_attr.h"
  40
  41 /**
  42  * Class implementing the TCG SWID Request attribute
  43  */
  44 struct tcg_swid_attr_req_t {
  45
  46         /**
  47          * Public PA-TNC attribute interface
  48          */
  49         pa_tnc_attr_t pa_tnc_attribute;
  50
  51         /**
  52          * Get SWID request flags
  53          *
  54          * @return                              Flags
  55          */
  56         uint8_t (*get_flags)(tcg_swid_attr_req_t *this);
  57
  58         /**
  59          * Get Request ID
  60          *
  61          * @return                              Request ID
  62          */
  63         uint32_t (*get_request_id)(tcg_swid_attr_req_t *this);
  64
  65         /**
  66          * Get Earliest EID
  67          *
  68          * @return                              Event ID
  69          */
  70         uint32_t (*get_earliest_eid)(tcg_swid_attr_req_t *this);
  71
  72         /**
  73          * Add Tag ID
  74          *
  75          * @param tag_id                        SWID Tag ID (is not cloned by constructor!)
  76          */
  77         void (*add_target)(tcg_swid_attr_req_t *this, swid_tag_id_t *tag_id);
  78
  79         /**
  80          * Create Tag ID enumerator
  81          *
  82          * @return                                      Get a list of target tag IDs
  83          */
  84         swid_inventory_t* (*get_targets)(tcg_swid_attr_req_t *this);
  85
  86 };
  87
  88 /**
  89  * Creates an tcg_swid_attr_req_t object
  90  *
  91  * @param flags                         Sets the C|S|R flags
  92  * @param request_id            Request ID
  93  * @param eid                           Earliest Event ID
  94  */
  95 pa_tnc_attr_t* tcg_swid_attr_req_create(uint8_t flags, uint32_t request_id,
  96                                                                                 uint32_t eid);
  97
  98 /**
  99  * Creates an tcg_swid_attr_req_t object from received data
 100  *
 101  * @param length                        Total length of attribute value
 102  * @param value                         Unparsed attribute value (might be a segment)
 103  */
 104 pa_tnc_attr_t* tcg_swid_attr_req_create_from_data(size_t length, chunk_t value);
 105
 106 #endif /** TCG_SWID_ATTR_REQ_H_ @}*/