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DtaDevLinuxDrive.cpp
executable file
·46 lines (35 loc) · 1.64 KB
/
DtaDevLinuxDrive.cpp
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/* C:B**************************************************************************
Copyright 2017, Alex Badics
This file is part of sedutil.
sedutil 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 3 of the License, or
(at your option) any later version.
sedutil 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 sedutil. If not, see <http://www.gnu.org/licenses/>.
* C:E********************************************************************** */
#include "os.h"
#include <sys/ioctl.h>
#include <linux/sed-opal.h>
#include "DtaDevLinuxDrive.h"
using namespace std;
uint8_t DtaDevLinuxDrive::prepareForS3Sleep(uint8_t lockingrange, const vector<uint8_t> &password_hash)
{
LOG(D1) << "Entering DtaDevLinuxDrive::prepareForS3Sleep";
opal_lock_unlock opal_ioctl_data={};
opal_ioctl_data.l_state = OPAL_RW;
opal_ioctl_data.session.who = OPAL_ADMIN1;
opal_ioctl_data.session.opal_key.lr = 0;
size_t hash_len=min(password_hash.size(), sizeof(opal_ioctl_data.session.opal_key.key));
LOG(D2) << "Setting a hash of length" << hash_len;
memcpy(opal_ioctl_data.session.opal_key.key, &password_hash[0], hash_len);
opal_ioctl_data.session.opal_key.key_len = hash_len;
int err = ioctl(fd, IOC_OPAL_SAVE, &opal_ioctl_data);
if (err < 0)
return errno;
return 0;
}