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Draft version of TCG PTS Request Function Component Evidence Attribute

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This commit is contained in:
Sansar Choinyambuu
2011-09-08 12:08:09 +02:00
committed by Andreas Steffen
parent 78f1b194bb
commit befdbcb769
2 changed files with 532 additions and 0 deletions
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src/libimcv/tcg/tcg_pts_attr_req_funct_comp_evid.c
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/*
* Copyright (C) 2011 Sansar Choinyambuu
* HSR Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* 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 General Public License
* for more details.
*/
#include "tcg_pts_attr_req_funct_comp_evid.h"
#include <pa_tnc/pa_tnc_msg.h>
#include <bio/bio_writer.h>
#include <bio/bio_reader.h>
#include <debug.h>
typedef struct private_tcg_pts_attr_req_funct_comp_evid_t private_tcg_pts_attr_req_funct_comp_evid_t;
/**
* Request Functional Component Evidence (see section 3.14.1 of PTS Protocol: Binding to TNC IF-M Specification)
*
* 1 2 3
* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
*
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Flags | Sub-component Depth |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Component Functional Name |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*
*/
/**
* Component Functional Name Structure (see section 5.1 of PTS Protocol: Binding to TNC IF-M Specification)
*
* 1 2 3
* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
*
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Component Functional Name Vendor ID |Fam| Qualifier |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Component Functional Name |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*
*/
#define PTS_REQ_FUNCT_COMP_EVID_SIZE 12
#define PTS_REQ_FUNCT_COMP_EVID_RESERVED 0x00
/**
* Private data of an tcg_pts_attr_req_funct_comp_evid_t object.
*/
struct private_tcg_pts_attr_req_funct_comp_evid_t {
/**
* Public members of tcg_pts_attr_req_funct_comp_evid_t
*/
tcg_pts_attr_req_funct_comp_evid_t public;
/**
* Attribute vendor ID
*/
pen_t vendor_id;
/**
* Attribute type
*/
u_int32_t type;
/**
* Attribute value
*/
chunk_t value;
/**
* Noskip flag
*/
bool noskip_flag;
/**
* Set of flags for Request Functional Component
*/
pts_attr_req_funct_comp_evid_flag_t flags;
/**
* Sub-component Depth
*/
u_int32_t depth;
/**
* Component Functional Name Vendor ID
*/
u_int32_t comp_vendor_id;
/**
* Functional Name Encoding Family
*/
u_int8_t family;
/**
* Functional Name Category Qualifier
*/
u_int8_t qualifier;
/**
* Component Functional Name
*/
u_int32_t name;
};
METHOD(pa_tnc_attr_t, get_vendor_id, pen_t,
private_tcg_pts_attr_req_funct_comp_evid_t *this)
{
return this->vendor_id;
}
METHOD(pa_tnc_attr_t, get_type, u_int32_t,
private_tcg_pts_attr_req_funct_comp_evid_t *this)
{
return this->type;
}
METHOD(pa_tnc_attr_t, get_value, chunk_t,
private_tcg_pts_attr_req_funct_comp_evid_t *this)
{
return this->value;
}
METHOD(pa_tnc_attr_t, get_noskip_flag, bool,
private_tcg_pts_attr_req_funct_comp_evid_t *this)
{
return this->noskip_flag;
}
METHOD(pa_tnc_attr_t, set_noskip_flag,void,
private_tcg_pts_attr_req_funct_comp_evid_t *this, bool noskip)
{
this->noskip_flag = noskip;
}
METHOD(pa_tnc_attr_t, build, void,
private_tcg_pts_attr_req_funct_comp_evid_t *this)
{
bio_writer_t *writer;
u_int8_t flags = 0;
u_int8_t family_and_qualifier = 0;
writer = bio_writer_create(PTS_REQ_FUNCT_COMP_EVID_SIZE);
/* Determine the flags to set*/
if(this->flags & PTS_REQ_FUNC_COMP_TTC) flags += 1;
if(this->flags & PTS_REQ_FUNC_COMP_VER) flags += 2;
if(this->flags & PTS_REQ_FUNC_COMP_CURR) flags += 4;
if(this->flags & PTS_REQ_FUNC_COMP_PCR) flags += 8;
writer->write_uint8(writer, flags);
writer->write_uint24 (writer, this->depth);
writer->write_uint24 (writer, this->comp_vendor_id);
if(this->family)
{
DBG1(DBG_TNC, "Functional Name Encoding Family must be set to 00");
}
writer->write_uint8 (writer, this->depth);
writer->write_uint24 (writer, this->depth);
writer->write_uint24 (writer, this->depth);
writer->write_uint24 (writer, this->depth);
this->value = chunk_clone(writer->get_buf(writer));
writer->destroy(writer);
}
METHOD(pa_tnc_attr_t, process, status_t,
private_tcg_pts_attr_req_funct_comp_evid_t *this, u_int32_t *offset)
{
bio_reader_t *reader;
u_int8_t flags;
if (this->value.len < PTS_AIK_SIZE)
{
DBG1(DBG_TNC, "insufficient data for Attestation Identity Key");
*offset = 0;
return FAILED;
}
reader = bio_reader_create(this->value);
reader->read_uint8(reader, &flags);
if(flags) this->naked_pub_aik = true;
reader->read_data (reader, sizeof(this->value) - 1, &this->aik);
this->aik = chunk_clone(this->aik);
reader->destroy(reader);
return SUCCESS;
}
METHOD(pa_tnc_attr_t, destroy, void,
private_tcg_pts_attr_req_funct_comp_evid_t *this)
{
free(this->value.ptr);
free(this);
}
METHOD(tcg_pts_attr_req_funct_comp_evid_t, get_flags, pts_attr_req_funct_comp_evid_flag_t,
private_tcg_pts_attr_req_funct_comp_evid_t *this)
{
return this->flags;
}
METHOD(tcg_pts_attr_req_funct_comp_evid_t, set_flags, void,
private_tcg_pts_attr_req_funct_comp_evid_t *this, pts_attr_req_funct_comp_evid_flag_t flags)
{
this->flags = flags;
}
METHOD(tcg_pts_attr_req_funct_comp_evid_t, get_sub_component_depth, u_int32_t,
private_tcg_pts_attr_req_funct_comp_evid_t *this)
{
return this->depth;
}
METHOD(tcg_pts_attr_req_funct_comp_evid_t, get_comp_funct_name_vendor_id, u_int32_t,
private_tcg_pts_attr_req_funct_comp_evid_t *this)
{
return this->comp_vendor_id;
}
METHOD(tcg_pts_attr_req_funct_comp_evid_t, get_family, u_int8_t,
private_tcg_pts_attr_req_funct_comp_evid_t *this)
{
return this->family;
}
METHOD(tcg_pts_attr_req_funct_comp_evid_t, get_qualifier, u_int8_t,
private_tcg_pts_attr_req_funct_comp_evid_t *this)
{
return this->qualifier;
}
METHOD(tcg_pts_attr_req_funct_comp_evid_t, set_fam_qual, void,
private_tcg_pts_attr_req_funct_comp_evid_t *this,
u_int8_t family, u_int8_t qualifier)
{
this->family = family;
this->qualifier = qualifier;
}
METHOD(tcg_pts_attr_req_funct_comp_evid_t, get_comp_funct_name, u_int32_t,
private_tcg_pts_attr_req_funct_comp_evid_t *this)
{
return this->name;
}
METHOD(tcg_pts_attr_req_funct_comp_evid_t, set_comp_funct_name, void,
private_tcg_pts_attr_req_funct_comp_evid_t *this, u_int32_t name)
{
this->name = name;
}
/**
* Described in header.
*/
pa_tnc_attr_t *tcg_pts_attr_req_funct_comp_evid_create(
pts_attr_req_funct_comp_evid_flag_t flags,
u_int32_t depth,
u_int32_t vendor_id,
u_int8_t family,
u_int8_t qualifier,
u_int32_t name)
{
private_tcg_pts_attr_req_funct_comp_evid_t *this;
INIT(this,
.public = {
.pa_tnc_attribute = {
.get_vendor_id = _get_vendor_id,
.get_type = _get_type,
.get_value = _get_value,
.get_noskip_flag = _get_noskip_flag,
.set_noskip_flag = _set_noskip_flag,
.build = _build,
.process = _process,
.destroy = _destroy,
},
.get_flags= _get_flags,
.set_flags= _set_flags,
.get_sub_component_depth = _get_sub_component_depth,
.get_comp_funct_name_vendor_id = _get_comp_funct_name_vendor_id,
.get_family = _get_family,
.get_qualifier = _get_qualifier,
.set_fam_qual = _set_fam_qual,
.get_comp_funct_name = _get_comp_funct_name,
.set_comp_funct_name = _set_comp_funct_name,
},
.vendor_id = PEN_TCG,
.type = TCG_PTS_REQ_FUNCT_COMP_EVID,
.flags = flags,
.depth = depth,
.comp_vendor_id = vendor_id,
.family = family,
.qualifier = qualifier,
.name = name,
);
return &this->public.pa_tnc_attribute;
}
/**
* Described in header.
*/
pa_tnc_attr_t *tcg_pts_attr_req_funct_comp_evid_create_from_data(chunk_t data)
{
private_tcg_pts_attr_req_funct_comp_evid_t *this;
INIT(this,
.public = {
.pa_tnc_attribute = {
.get_vendor_id = _get_vendor_id,
.get_type = _get_type,
.get_value = _get_value,
.get_noskip_flag = _get_noskip_flag,
.set_noskip_flag = _set_noskip_flag,
.build = _build,
.process = _process,
.destroy = _destroy,
},
.get_flags= _get_flags,
.set_flags= _set_flags,
.get_sub_component_depth = _get_sub_component_depth,
.get_comp_funct_name_vendor_id = _get_comp_funct_name_vendor_id,
.get_family = _get_family,
.get_qualifier = _get_qualifier,
.set_fam_qual = _set_fam_qual,
.get_comp_funct_name = _get_comp_funct_name,
.set_comp_funct_name = _set_comp_funct_name,
},
.vendor_id = PEN_TCG,
.type = TCG_PTS_REQ_FUNCT_COMP_EVID,
.value = chunk_clone(data),
);
return &this->public.pa_tnc_attribute;
}
src/libimcv/tcg/tcg_pts_attr_req_funct_comp_evid.h
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/*
* Copyright (C) 2011 Sansar Choinyambuu
* HSR Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* 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 General Public License
* for more details.
*/
/**
* @defgroup tcg_pts_attr_req_funct_comp_evid tcg_pts_attr_req_funct_comp_evid
* @{ @ingroup tcg_pts_attr_req_funct_comp_evid
*/
#ifndef TCG_PTS_ATTR_REQ_FUNCT_COMP_EVID_H_
#define TCG_PTS_ATTR_REQ_FUNCT_COMP_EVID_H_
typedef struct tcg_pts_attr_req_funct_comp_evid_t tcg_pts_attr_req_funct_comp_evid_t;
typedef enum pts_attr_req_funct_comp_evid_qualifier_t pts_attr_req_funct_comp_evid_qualifier_t;
typedef enum pts_attr_req_funct_comp_name_bin_enum_t pts_attr_req_funct_comp_name_bin_enum_t;
#include "tcg_attr.h"
#include "pa_tnc/pa_tnc_attr.h"
/**
* PTS Request Functional Component Evidence Flags
*/
enum pts_attr_req_funct_comp_evid_flag_t {
/** Transitive Trust Chain flag */
PTS_REQ_FUNC_COMP_TTC = (1<<0),
/** Verify Component flag */
PTS_REQ_FUNC_COMP_VER = (1<<1),
/** Current Evidence flag */
PTS_REQ_FUNC_COMP_CURR = (1<<2),
/** PCR Information flag */
PTS_REQ_FUNC_COMP_PCR = (1<<3),
};
/**
* PTS Request Functional Component Evidence Qualifiers
*/
enum pts_attr_req_funct_comp_evid_qualifier_t {
/** Transitive Trust Chain flag */
PTS_REQ_FUNC_COMP_QUAL_UNKNOWN = (1<<0),
/** Verify Component flag */
PTS_REQ_FUNC_COMP_VER = (1<<1),
/** Current Evidence flag */
PTS_REQ_FUNC_COMP_CURR = (1<<2),
/** PCR Information flag */
PTS_REQ_FUNC_COMP_PCR = (1<<3),
};
/**
* PTS Component Functional Name Binary Enumeration
*/
enum pts_attr_req_funct_comp_name_bin_enum_t {
/** Transitive Trust Chain flag */
PTS_REQ_FUNC_COMP_TTC = (1<<0),
/** Verify Component flag */
PTS_REQ_FUNC_COMP_VER = (1<<1),
/** Current Evidence flag */
PTS_REQ_FUNC_COMP_CURR = (1<<2),
/** PCR Information flag */
PTS_REQ_FUNC_COMP_PCR = (1<<3),
};
/**
* Class implementing the TCG PTS Request Functional Component Evidence attribute
*
*/
struct tcg_pts_attr_req_funct_comp_evid_t {
/**
* Public PA-TNC attribute interface
*/
pa_tnc_attr_t pa_tnc_attribute;
/**
* Get flags for PTS Request Functional Component Evidence
*
* @return Set of flags
*/
pts_attr_req_funct_comp_evid_flag_t (*get_flags)(tcg_pts_attr_req_funct_comp_evid_t *this);
/**
* Set flags for PTS Request Functional Component Evidence
*
* @param flags Set of flags
*/
void (*set_flags)(tcg_pts_attr_req_funct_comp_evid_t *this,
pts_attr_req_funct_comp_evid_flag_t flags);
/**
* Get Sub-component Depth
*
* @return Sub-component Depth
*/
u_int32_t (*get_sub_component_depth)(tcg_pts_attr_req_funct_comp_evid_t *this);
/**
* Get Component Functional Name Vendor ID
*
* @return Component Functional Name Vendor ID
*/
u_int32_t (*get_comp_funct_name_vendor_id)(tcg_pts_attr_req_funct_comp_evid_t *this);
/**
* Get Family
*
* @return Functional Name Encoding Family
*/
u_int8_t (*get_family)(tcg_pts_attr_req_funct_comp_evid_t *this);
/**
* Get Qualifier
*
* @return Functional Name Category Qualifier
*/
u_int8_t (*get_qualifier)(tcg_pts_attr_req_funct_comp_evid_t *this);
/**
* Set family and qualifier for Component Functional Name
*
* @param family Functional Name Encoding Family
* @param qualifier Functional Name Category Qualifier
*/
void (*set_fam_qual)(tcg_pts_attr_req_funct_comp_evid_t *this, u_int8_t family,
u_int8_t qualifier);
/**
* Get Component Functional Name
*
* @return Component Functional Name
*/
u_int32_t (*get_comp_funct_name)(tcg_pts_attr_req_funct_comp_evid_t *this);
/**
* Set Component Functional Name
*
* @param name Component Functional Name
*/
void (*set_comp_funct_name)(tcg_pts_attr_req_funct_comp_evid_t *this,
u_int32_t name);
};
/**
* Creates an tcg_pts_attr_req_funct_comp_evid_t object
*
* @param flags Set of flags
* @param depth Sub-component Depth
* @param vendor_id Component Functional Name Vendor ID
* @param family Functional Name Encoding Family
* @param qualifier Functional Name Category Qualifier
* @param name Component Functional Name
*/
pa_tnc_attr_t* tcg_pts_attr_req_funct_comp_evid_create(pts_attr_req_funct_comp_evid_flag_t flags,
u_int32_t depth,
u_int32_t vendor_id,
u_int8_t family,
u_int8_t qualifier,
u_int32_t name);
/**
* Creates an tcg_pts_attr_req_funct_comp_evid_t object from received data
*
* @param value unparsed attribute value
*/
pa_tnc_attr_t* tcg_pts_attr_req_funct_comp_evid_create_from_data(chunk_t value);
#endif /** TCG_PTS_ATTR_REQ_FUNCT_COMP_EVID_H_ @}*/