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/*
* Copyright (C) 2011 Andreas Steffen, 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 "libpts.h"
#include "tcg/tcg_attr.h"
#include "pts/components/pts_component.h"
#include "pts/components/pts_component_manager.h"
#include "pts/components/tcg/tcg_comp_func_name.h"
#include "pts/components/ita/ita_comp_func_name.h"
#include "pts/components/ita/ita_comp_ima.h"
#include "pts/components/ita/ita_comp_tboot.h"
#include "pts/components/ita/ita_comp_tgrub.h"
#include <imcv.h>
#include <utils/debug.h>
/**
* PTS Functional Component manager
*/
pts_component_manager_t *pts_components;
/**
* Reference count for IMC/IMV instances
*/
static refcount_t libpts_ref = 0;
/**
* Described in header.
*/
bool libpts_init(void)
{
if (libpts_ref == 0)
{
if (!imcv_pa_tnc_attributes)
{
return FALSE;
}
imcv_pa_tnc_attributes->add_vendor(imcv_pa_tnc_attributes, PEN_TCG,
tcg_attr_create_from_data, tcg_attr_names);
pts_components = pts_component_manager_create();
pts_components->add_vendor(pts_components, PEN_TCG,
pts_tcg_comp_func_names, PTS_TCG_QUALIFIER_TYPE_SIZE,
pts_tcg_qualifier_flag_names, pts_tcg_qualifier_type_names);
pts_components->add_vendor(pts_components, PEN_ITA,
pts_ita_comp_func_names, PTS_ITA_QUALIFIER_TYPE_SIZE,
pts_ita_qualifier_flag_names, pts_ita_qualifier_type_names);
pts_components->add_component(pts_components, PEN_ITA,
PTS_ITA_COMP_FUNC_NAME_TGRUB,
pts_ita_comp_tgrub_create);
pts_components->add_component(pts_components, PEN_ITA,
PTS_ITA_COMP_FUNC_NAME_TBOOT,
pts_ita_comp_tboot_create);
pts_components->add_component(pts_components, PEN_ITA,
PTS_ITA_COMP_FUNC_NAME_IMA,
pts_ita_comp_ima_create);
DBG1(DBG_LIB, "libpts initialized");
}
ref_get(&libpts_ref);
return TRUE;
}
/**
* Described in header.
*/
void libpts_deinit(void)
{
if (ref_put(&libpts_ref))
{
pts_components->remove_vendor(pts_components, PEN_TCG);
pts_components->remove_vendor(pts_components, PEN_ITA);
pts_components->destroy(pts_components);
if (!imcv_pa_tnc_attributes)
{
return;
}
imcv_pa_tnc_attributes->remove_vendor(imcv_pa_tnc_attributes, PEN_TCG);
DBG1(DBG_LIB, "libpts terminated");
}
}
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