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trezor-firmware/firmware/storage.h
2017-12-19 14:11:51 +01:00

147 lines
4.0 KiB
C

/*
* This file is part of the TREZOR project, https://trezor.io/
*
* Copyright (C) 2014 Pavol Rusnak <stick@satoshilabs.com>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef __STORAGE_H__
#define __STORAGE_H__
#include "types.pb.h"
#include "messages.pb.h"
#include "bip32.h"
#define STORAGE_FIELD(TYPE, NAME) \
bool has_##NAME; \
TYPE NAME;
#define STORAGE_STRING(NAME, SIZE) \
bool has_##NAME; \
char NAME[SIZE];
#define STORAGE_BYTES(NAME, SIZE) \
bool has_##NAME; \
struct { \
size_t size; \
uint8_t bytes[SIZE]; \
} NAME;
#define STORAGE_BOOL(NAME) STORAGE_FIELD(bool, NAME)
#define STORAGE_NODE(NAME) STORAGE_FIELD(StorageHDNode, NAME)
#define STORAGE_UINT32(NAME) STORAGE_FIELD(uint32_t, NAME)
typedef struct {
uint32_t depth;
uint32_t fingerprint;
uint32_t child_num;
struct {
size_t size;
uint8_t bytes[32];
} chain_code;
STORAGE_BYTES(private_key, 32);
STORAGE_BYTES(public_key, 33);
} StorageHDNode;
typedef struct _Storage {
uint32_t version;
STORAGE_NODE (node)
STORAGE_STRING (mnemonic, 241)
STORAGE_BOOL (passphrase_protection)
STORAGE_UINT32 (pin_failed_attempts)
STORAGE_STRING (pin, 10)
STORAGE_STRING (language, 17)
STORAGE_STRING (label, 33)
STORAGE_BOOL (imported)
STORAGE_BYTES (homescreen, 1024)
STORAGE_UINT32 (u2f_counter)
STORAGE_BOOL (needs_backup)
STORAGE_UINT32 (flags)
STORAGE_NODE (u2froot)
} Storage;
extern Storage storageUpdate;
void storage_init(void);
void storage_generate_uuid(void);
void storage_clear_update(void);
void storage_update(void);
void session_clear(bool clear_pin);
void storage_loadDevice(LoadDevice *msg);
const uint8_t *storage_getSeed(bool usePassphrase);
bool storage_getU2FRoot(HDNode *node);
bool storage_getRootNode(HDNode *node, const char *curve, bool usePassphrase);
const char *storage_getLabel(void);
void storage_setLabel(const char *label);
const char *storage_getLanguage(void);
void storage_setLanguage(const char *lang);
void storage_setPassphraseProtection(bool passphrase_protection);
bool storage_hasPassphraseProtection(void);
const uint8_t *storage_getHomescreen(void);
void storage_setHomescreen(const uint8_t *data, uint32_t size);
void session_cachePassphrase(const char *passphrase);
bool session_isPassphraseCached(void);
void storage_setMnemonic(const char *mnemonic);
bool storage_containsMnemonic(const char *mnemonic);
bool storage_hasMnemonic(void);
const char *storage_getMnemonic(void);
bool storage_hasNode(void);
#if DEBUG_LINK
void storage_dumpNode(HDNodeType *node);
#endif
bool storage_containsPin(const char *pin);
bool storage_hasPin(void);
const char *storage_getPin(void);
void storage_setPin(const char *pin);
void session_cachePin(void);
bool session_isPinCached(void);
void storage_clearPinArea(void);
void storage_resetPinFails(uint32_t *pinfailptr);
bool storage_increasePinFails(uint32_t *pinfailptr);
uint32_t *storage_getPinFailsPtr(void);
uint32_t storage_nextU2FCounter(void);
void storage_setU2FCounter(uint32_t u2fcounter);
bool storage_isInitialized(void);
bool storage_isImported(void);
void storage_setImported(bool imported);
bool storage_needsBackup(void);
void storage_setNeedsBackup(bool needs_backup);
void storage_applyFlags(uint32_t flags);
uint32_t storage_getFlags(void);
void storage_wipe(void);
extern char storage_uuid_str[25];
#endif