src/cod-internal.h

   1 ///
   2 /// \file       cod-internal.h
   3 ///             COD structure
   4 ///
   5
   6 /*
   7     Copyright (C) 2008-2009, Nicolas VIVIEN
   8     Copyright (C) 2009, Josh Kropf
   9     See also:
  10         http://drbolsen.wordpress.com/2006/07/26/blackberry-cod-file-format/
  11         http://drbolsen.wordpress.com/2006/08/11/10/
  12         http://www.pkware.com/documents/casestudies/APPNOTE.TXT
  13
  14     This program is free software; you can redistribute it and/or modify
  15     it under the terms of the GNU General Public License as published by
  16     the Free Software Foundation; either version 2 of the License, or
  17     (at your option) any later version.
  18
  19     This program is distributed in the hope that it will be useful,
  20     but WITHOUT ANY WARRANTY; without even the implied warranty of
  21     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  22
  23     See the GNU General Public License in the COPYING file at the
  24     root directory of this project for more details.
  25 */
  26
  27
  28 #ifndef __BARRY_COD_INTERNAL_H__
  29 #define __BARRY_COD_INTERNAL_H__
  30
  31 #include "dll.h"
  32 #include <stdint.h>
  33 #include <sys/types.h>
  34
  35 #define CODFILE_TYPE_SIMPLE     {0xDE, 0xC0}
  36 #define CODFILE_TYPE_PKZIP      {0x50, 0x4B}
  37 #define PKZIP_LOCAL_FILE_SIG    {0x50, 0x4B, 0x03, 0x04}
  38 #define PKZIP_DIRECTORY_SIG     {0x50, 0x4B, 0x01, 0x02}
  39 #define PKZIP_END_DIRECTORY_SIG {0x50, 0x4B, 0x05, 0x06}
  40
  41
  42 typedef struct BXLOCAL {
  43         uint16_t        hour:5;
  44         uint16_t        minute:6;
  45         uint16_t        second:5;
  46 } __attribute__ ((packed)) msdos_time_t;
  47
  48
  49 typedef struct BXLOCAL {
  50         uint16_t        year:7;         // number of years since 1980
  51         uint16_t        month:4;
  52         uint16_t        day:5;
  53 } __attribute__ ((packed)) msdos_date_t;
  54
  55
  56 typedef struct BXLOCAL {
  57         //uint8_t       signature[4];           // PKZIP local file header 0x504B0304
  58         uint16_t        version_needed;         // version needed to extract, 0x0A00
  59         uint16_t        general_flag;           // general purpose bit flag, 0x0000
  60         uint16_t        compression_method;     // compression method, 0x0000 = stored, no compression
  61         msdos_time_t    last_mod_time;
  62         msdos_date_t    last_mod_date;
  63         uint32_t        crc_32;
  64         uint32_t        compressed_size;        // compression method is 'stored'
  65         uint32_t        uncompressed_size;      // both sizes are equal
  66         uint16_t        file_name_length;
  67         uint16_t        extra_field_length;
  68         //char          file_name[variable];
  69         //char          extra_field[variable];
  70 } __attribute__ ((packed)) pkzip_local_header_t;
  71
  72
  73 typedef struct BXLOCAL {
  74         //uint8_t       signature[4];           // PKZIP central directory 0x504B0304
  75         uint16_t        version_madeby;         // version used to compress, 0x0A00
  76         uint16_t        version_needed;         // version needed to extract, 0x0A00
  77         uint16_t        general_flag;           // general purpose bit flag, 0x0000
  78         uint16_t        compression_method;     // compression method, 0x0000 = stored, no compression
  79         msdos_time_t    last_mod_time;
  80         msdos_date_t    last_mod_date;
  81         uint32_t        crc_32;
  82         uint32_t        compressed_size;        // size of corresponding local file entry
  83         uint32_t        uncompressed_size;      // both sizes are equal
  84         uint16_t        file_name_length;
  85         uint16_t        extra_field_length;
  86         uint16_t        file_comment_length;
  87         uint16_t        disk_number;            // number of the disk on which this file begins, always zero
  88         uint16_t        internal_file_attr;     // always zero
  89         uint32_t        external_file_attr;     // always zero
  90         uint32_t        relative_offset;        // offset from beginning of this disk (this zip file)
  91                                                 // to start of corresponding local file entry
  92         //char          file_name[variable];
  93         //char          extra_field[variable];
  94         //char          file_comment[variable];
  95 } __attribute__ ((packed)) pkzip_directory_t;
  96
  97
  98 typedef struct BXLOCAL {
  99         //uint8_t       signature[4];           // PKZIP end central directory 0x504B0506
 100         uint16_t        this_disk_number;       // number of this disk, always zero
 101         uint16_t        disk_with_first;        // number of the disk with the start of
 102                                                 // central directory, always zero
 103         uint16_t        this_disk_entry_count;  // total number of entries in the central directory on this disk
 104         uint16_t        total_entry_count;      // total number of entries in the central directory
 105                                                 // always equals this_disk_entry_count
 106         uint32_t        directory_length;       // total size of the central directory
 107         uint32_t        directory_offset;       // offset from beginning of this disk (this zip file)
 108                                                 // to the first central directory entry
 109         uint16_t        file_comment_length;
 110         //char          file_comment[variable];
 111 } __attribute__ ((packed)) pkzip_end_directory_t;
 112
 113
 114 typedef struct BXLOCAL {
 115         uint16_t        type;                   // Type                 // 50 4B
 116         uint8_t         unknown1[8];            //                      // 03 04 0A 00 00 00 00 00
 117         uint8_t         unknown2[4];            //                      // AB 5C 6A 39
 118         uint8_t         unknown3[4];            //                      // BE 5C 58 D1
 119         uint32_t        size1;                  // COD size 0x0DCC      // CC 0D 01 00
 120         uint32_t        size2;                  // COD size 0x0DCC      // CC OD 01 00
 121         uint8_t         strsize;                // Size of string       // 19
 122         uint8_t         reserved2;              // Reserved 0x00        // 00
 123         uint8_t         strfree;                // Empty uint8_t        // 04
 124         uint8_t         reserved3;              // Reserved 0x00        // 00
 125 }  __attribute__ ((packed)) codfile_header_t;
 126
 127
 128 typedef struct BXLOCAL {
 129         uint32_t        flashid;
 130         uint32_t        section_number;         // always 0
 131         uint32_t        vtable_pointer;         // always 0
 132         time_t          timestamp;
 133         uint32_t        user_version;
 134         uint32_t        fieldref_pointer;
 135         uint16_t        maxtype_list_size;
 136         uint16_t        reserved;               // always 0xFF
 137         int32_t         data_section;           // always 0xFFFF
 138         int32_t         module_info;            // always 0xFFFF
 139         uint16_t        version;
 140         uint16_t        code_size;
 141         uint16_t        data_size;
 142         uint16_t        flags;
 143 }  __attribute__ ((packed)) code_header_t;
 144
 145
 146 typedef struct BXLOCAL {
 147         uint8_t         flags;
 148         uint8_t         version;
 149         uint16_t        num_icalls;
 150         uint8_t         num_modules;
 151         uint8_t         num_classes ;
 152         uint16_t        exported_string_offset;
 153         uint16_t        data_uint8_ts_offset;
 154         uint16_t        empty_field;
 155         uint16_t        class_definitions;
 156         uint16_t        array_of_unknow1_fields[14];
 157         uint16_t        aliases;
 158         uint16_t        array_of_unknow2_fields[22];
 159 }  __attribute__ ((packed)) data_header_t;
 160
 161 #endif
 162