/*
 * img3.h
 * Functions for handling with Apple's IMG3 format
 *
 * Copyright (c) 2010 Joshua Hill. All Rights Reserved.
 *
 * 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 2.1 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

#ifndef IMG3_H
#define IMG3_H

typedef enum {
    kNorContainer  = 0x696D6733, // img3
    kImg3Container = 0x496D6733, // Img3
    k8900Container = 0x30303938, // 8900
    kImg2Container = 0x494D4732  // IMG2
} img3_container;

typedef enum {
    kDataElement = 0x44415441, // DATA
    kTypeElement = 0x54595045, // TYPE
    kKbagElement = 0x4B424147, // KBAG
    kShshElement = 0x53485348, // SHSH
    kCertElement = 0x43455254, // CERT
    kChipElement = 0x43484950, // CHIP
    kProdElement = 0x50524F44, // PROD
    kSdomElement = 0x53444F4D, // SDOM
    kBordElement = 0x424F5244, // BORD
    kSepoElement = 0x5345504F, // SEPO
    kEcidElement = 0x45434944  // ECID
} img3_element_type;

typedef struct {
    unsigned int signature;
    unsigned int fullSize;
    unsigned int dataSize;
    unsigned int shshOffset;
    unsigned int imageType;
} img3_header;

typedef struct {
    unsigned int signature;
    unsigned int fullSize;
    unsigned int dataSize;
} img3_element_header;

typedef struct {
	unsigned char* data;
} img3_file;

img3_file* img3_parse_file(unsigned char* data, unsigned int size);
void img3_free(img3_file* file);

#endif