cvss_priv.h
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/*
* Copyright 2009 Red Hat Inc., Durham, North Carolina.
* All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Authors:
* Maros Barabas <mbarabas@redhat.com>
* Lukas Kuklinek <lkuklinek@redhat.com>
*/
#ifndef CVSS_PRIV_H_
#define CVSS_PRIV_H_
#include <stdlib.h>
#include <libxml/xmlreader.h>
#include <libxml/xmlwriter.h>
#include "public/cvss_score.h"
#include "common/util.h"
OSCAP_HIDDEN_START;
#define CVSSMAX(a, b) ((a) > (b) ? (a) : (b))
struct cvss_impact;
struct cvss_metrics;
enum cvss_key {
CVSS_KEY_NONE = CVSS_NONE,
CVSS_KEY_access_vector = CVSS_BASE,
CVSS_KEY_access_complexity,
CVSS_KEY_authentication,
CVSS_KEY_confidentiality_impact,
CVSS_KEY_integrity_impact,
CVSS_KEY_availability_impact,
CVSS_KEY_BASE_END_,
CVSS_KEY_BASE_NUM = CVSS_KEY_BASE_END_ - CVSS_BASE,
CVSS_KEY_exploitability = CVSS_TEMPORAL,
CVSS_KEY_remediation_level,
CVSS_KEY_report_confidence,
CVSS_KEY_TEMPORAL_END_,
CVSS_KEY_TEMPORAL_NUM = CVSS_KEY_TEMPORAL_END_ - CVSS_TEMPORAL,
CVSS_KEY_collateral_damage_potential = CVSS_ENVIRONMENTAL,
CVSS_KEY_target_distribution,
CVSS_KEY_confidentiality_requirement,
CVSS_KEY_integrity_requirement,
CVSS_KEY_availability_requirement,
CVSS_KEY_ENVIRONMENTAL_END_,
CVSS_KEY_ENVIRONMENTAL_NUM = CVSS_KEY_ENVIRONMENTAL_END_ - CVSS_ENVIRONMENTAL,
};
// extract category from key
#define CVSS_CATEGORY(key) ((key) & ~0xff)
// extract key index within the category
#define CVSS_KEY_IDX(key) ((key) & 0xff)
struct cvss_impact {
struct cvss_metrics *base_metrics;
struct cvss_metrics *temporal_metrics;
struct cvss_metrics *environmental_metrics;
};
struct cvss_metrics {
enum cvss_category category;
float score;
char *source;
char *upgraded_from_version;
char *generated_on_datetime;
union {
unsigned BASE[CVSS_KEY_BASE_NUM];
unsigned TEMPORAL[CVSS_KEY_TEMPORAL_NUM];
unsigned ENVIRONMENTAL[CVSS_KEY_ENVIRONMENTAL_NUM];
unsigned ANY[CVSSMAX(CVSSMAX(CVSS_KEY_BASE_NUM, CVSS_KEY_TEMPORAL_NUM), CVSS_KEY_ENVIRONMENTAL_NUM)];
} metrics;
};
struct cvss_impact *cvss_impact_new_from_xml(xmlTextReaderPtr reader);
bool cvss_impact_export(const struct cvss_impact *imp, xmlTextWriterPtr writer);
struct cvss_metrics *cvss_metrics_new_from_xml(xmlTextReaderPtr reader);
bool cvss_metrics_export(const struct cvss_metrics *m, xmlTextWriterPtr writer);
OSCAP_HIDDEN_END;
#endif