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/*
File: hidden.c
Copyright (C) 2008 Christophe GRENIER <grenier@cgsecurity.org>
This software 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.
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.
You should have received a copy of the GNU General Public License along
with this program; if not, write the Free Software Foundation, Inc., 51
Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include "types.h"
#include "common.h"
#include "log.h"
#include "hidden.h"
int is_hpa_or_dco(const disk_t *disk)
{
int res=0;
if(disk->native_max> 0 && disk->user_max < disk->native_max+1)
{
res=1;
if(disk->native_max < disk->dco)
res|=2;
}
else if(disk->dco > 0 && disk->user_max < disk->dco+1)
{
#ifndef DISABLED_FOR_FRAMAC
log_info("user_max=%llu dco=%llu\n",
(long long unsigned) disk->user_max,
(long long unsigned) disk->dco);
#endif
res|=2;
}
#ifndef DISABLED_FOR_FRAMAC
if(res>0)
{
if(res&1)
log_warning("%s: Host Protected Area (HPA) present.\n", disk->device);
if(res&2)
log_warning("%s: Device Configuration Overlay (DCO) present.\n", disk->device);
log_flush();
}
#endif
return res;
}
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