blob: 56edb4e20baf018b60d49b37ab041d422782cd54 [file] [log] [blame]
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2013 by Amaury Pouly
*
* This program 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __UTILS__
#define __UTILS__
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
#include "mkzenboot.h"
#include "hmac-sha1.h"
int filesize(FILE* fd);
unsigned int le2int(unsigned char* buf);
unsigned int be2int(unsigned char* buf);
void int2le(unsigned int val, unsigned char* addr);
const char* find_firmware_key(const unsigned char* buffer, size_t len);
uint32_t find_firmware_offset(unsigned char* buffer, size_t len);
bool crypt_firmware(const char* key, unsigned char* buffer, size_t len);
bool inflate_to_buffer(const unsigned char *buffer, size_t len,
unsigned char* out_buffer, size_t out_len, char** err_msg);
int cenc_decode(unsigned char* src, int srclen, unsigned char* dst, int dstlen);
bool bf_cbc_decrypt(const unsigned char* key, size_t keylen, unsigned char* data,
size_t datalen, const unsigned char* iv);
uint32_t swap(uint32_t val);
enum zen_error_t compute_md5sum(const char *file, uint8_t file_md5sum[16]);
enum zen_error_t compute_md5sum_buf(void *buf, size_t sz, uint8_t file_md5sum[16]);
enum zen_error_t read_file(const char *file, void **buffer, size_t *size);
enum zen_error_t write_file(const char *file, void *buffer, size_t size);
enum zen_error_t find_pe_data(void *fw, size_t fw_size, uint32_t *data_ptr, uint32_t *data_size);
int convxdigit(char digit, uint8_t *val);
#endif /* __UTILS__ */