luksrku/keydb.h
Johannes Bauer 0cb0e5d470 Further work in keydb
Work in transcribing the binary LUKS PSK to ASCII. Still buggy, had an
error in thinking (it's not 4 bytes transcribed to 3, but 3 to 4 of
course). Needs fixing.
2019-10-20 21:09:41 +02:00

71 lines
2.8 KiB
C

/*
luksrku - Tool to remotely unlock LUKS volumes using TLS.
Copyright (C) 2016-2019 Johannes Bauer
This file is part of luksrku.
luksrku 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; this program is ONLY licensed under
version 3 of the License, later versions are explicitly excluded.
luksrku 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 luksrku; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Johannes Bauer <JohannesBauer@gmx.de>
*/
#ifndef __KEYDB_H__
#define __KEYDB_H__
#include <stdint.h>
#include <stdbool.h>
#include "file_encryption.h"
#include "global.h"
#define KEYDB_VERSION 2
struct volume_entry_t {
uint8_t volume_uuid[16]; /* UUID of crypt_LUKS volume */
char devmapper_name[MAX_DEVMAPPER_NAME_LENGTH + 1]; /* dmsetup name when unlocked. Zero-terminated string. */
uint8_t luks_passphrase[PASSPHRASE_SIZE_BYTES]; /* LUKS passphrase used to unlock volume; raw byte data */
};
struct host_entry_t {
uint8_t host_uuid[16]; /* Host UUID */
char host_name[MAX_DESCRIPTION_LENGTH + 1]; /* Descriptive name of host */
uint8_t tls_psk[PSK_SIZE_BYTES]; /* Raw byte data of TLS-PSK that is used */
unsigned int volume_count; /* Number of volumes of this host */
struct volume_entry_t volumes[MAX_VOLUMES_PER_HOST]; /* Volumes of this host */
};
struct keydb_t {
unsigned int keydb_version;
bool server_database;
int host_count;
struct host_entry_t hosts[];
};
/*************** AUTO GENERATED SECTION FOLLOWS ***************/
struct keydb_t* keydb_new(void);
void keydb_free(struct keydb_t *keydb);
bool keydb_add_host(struct keydb_t **keydb, const char *host_name);
bool keydb_add_volume(struct host_entry_t *host, const char *devmapper_name, const uint8_t volume_uuid[static 16]);
int keydb_get_volume_index_by_name(struct host_entry_t *host, const char *devmapper_name);
struct volume_entry_t *keydb_get_volume_by_name(struct host_entry_t *host, const char *devmapper_name);
int keydb_get_host_index_by_name(struct keydb_t *keydb, const char *host_name);
bool keydb_get_volume_luks_passphrase(const struct volume_entry_t *volume, char *dest);
struct host_entry_t *keydb_get_host_by_name(struct keydb_t *keydb, const char *host_name);
bool keydb_write(const struct keydb_t *keydb, const char *filename, const char *passphrase);
struct keydb_t* keydb_read(const char *filename);
/*************** AUTO GENERATED SECTION ENDS ***************/
#endif