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/*
* This file is part of libsamsung-ipc.
*
* Copyright (C) 2014 Paul Kocialkowsk <contact@paulk.fr>
* Copyright (C) 2020 Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>
*
* libsamsung-ipc 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.
*
* libsamsung-ipc 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 libsamsung-ipc. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef NV_DATA_IMEI_H
#define NV_DATA_IMEI_H
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#define BIT(n) (1<<n)
#define IMEI_LENGTH 15
extern int opterr;
/* This enables to enforce the size limit */
struct imei {
char imei[IMEI_LENGTH + 1];
bool option_set;
char *optarg;
};
#define OFFSET_NEGATIVE BIT(0)
#define OFFSET_OVERFLOW BIT(1)
struct offset {
size_t offset;
bool option_set;
int error;
char *optarg;
};
/* So far we support only one device and IMEI offset, but more offsets do exist
* as the original code from Paul Kocialkowski used the 0xE880 offset instead.
* We don't know yet if multiple offsets can work for one device.
*/
#define DEFAULT_IMEI_OFFSET 0xEC80
struct command {
const char *name;
const char *help;
uint8_t options;
uint8_t required_options;
int (*func)(); /* TODO: enfroce argument types */
};
struct command_option {
uint8_t option;
const char *option_string;
const char *help;
const char *example;
int (*get_data)(struct command *command, void *arg);
};
#define NO_OPTIONS 0
#define OPTION_FILE BIT(0)
#define OPTION_HELP BIT(1)
#define OPTION_IMEI BIT(2)
#define OPTION_OFFSET BIT(3)
int bruteforce_imei_offset(char *nv_data_path, struct imei *given_imei);
int read_imei(char *nv_data_path, struct offset *offset);
int write_imei(char *nv_data_path, struct offset *offset, struct imei *imei);
#endif /* NV_DATA_IMEI_H */
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