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 #include "platform.h"           // safe to include platform.h here, since
  35                                 // cod-internal.h is not installed either
  36
  37 #if USE_PACK_PRAGMA
  38 #pragma pack(push, 1)
  39 #endif
  40
  41 #define CODFILE_TYPE_SIMPLE     {0xDE, 0xC0}
  42 #define CODFILE_TYPE_PKZIP      {0x50, 0x4B}
  43 #define PKZIP_LOCAL_FILE_SIG    {0x50, 0x4B, 0x03, 0x04}
  44 #define PKZIP_DIRECTORY_SIG     {0x50, 0x4B, 0x01, 0x02}
  45 #define PKZIP_END_DIRECTORY_SIG {0x50, 0x4B, 0x05, 0x06}
  46
  47
  48 typedef struct BXLOCAL {
  49         uint16_t        hour:5;
  50         uint16_t        minute:6;
  51         uint16_t        second:5;
  52 } ATTRIBUTE_PACKED msdos_time_t;
  53
  54
  55 typedef struct BXLOCAL {
  56         uint16_t        year:7;         // number of years since 1980
  57         uint16_t        month:4;
  58         uint16_t        day:5;
  59 } ATTRIBUTE_PACKED msdos_date_t;
  60
  61
  62 typedef struct BXLOCAL {
  63         //uint8_t       signature[4];           // PKZIP local file header 0x504B0304
  64         uint16_t        version_needed;         // version needed to extract, 0x0A00
  65         uint16_t        general_flag;           // general purpose bit flag, 0x0000
  66         uint16_t        compression_method;     // compression method, 0x0000 = stored, no compression
  67         msdos_time_t    last_mod_time;
  68         msdos_date_t    last_mod_date;
  69         uint32_t        crc_32;
  70         uint32_t        compressed_size;        // compression method is 'stored'
  71         uint32_t        uncompressed_size;      // both sizes are equal
  72         uint16_t        file_name_length;
  73         uint16_t        extra_field_length;
  74         //char          file_name[variable];
  75         //char          extra_field[variable];
  76 } ATTRIBUTE_PACKED pkzip_local_header_t;
  77
  78
  79 typedef struct BXLOCAL {
  80         //uint8_t       signature[4];           // PKZIP central directory 0x504B0304
  81         uint16_t        version_madeby;         // version used to compress, 0x0A00
  82         uint16_t        version_needed;         // version needed to extract, 0x0A00
  83         uint16_t        general_flag;           // general purpose bit flag, 0x0000
  84         uint16_t        compression_method;     // compression method, 0x0000 = stored, no compression
  85         msdos_time_t    last_mod_time;
  86         msdos_date_t    last_mod_date;
  87         uint32_t        crc_32;
  88         uint32_t        compressed_size;        // size of corresponding local file entry
  89         uint32_t        uncompressed_size;      // both sizes are equal
  90         uint16_t        file_name_length;
  91         uint16_t        extra_field_length;
  92         uint16_t        file_comment_length;
  93         uint16_t        disk_number;            // number of the disk on which this file begins, always zero
  94         uint16_t        internal_file_attr;     // always zero
  95         uint32_t        external_file_attr;     // always zero
  96         uint32_t        relative_offset;        // offset from beginning of this disk (this zip file)
  97                                                 // to start of corresponding local file entry
  98         //char          file_name[variable];
  99         //char          extra_field[variable];
 100         //char          file_comment[variable];
 101 } ATTRIBUTE_PACKED pkzip_directory_t;
 102
 103
 104 typedef struct BXLOCAL {
 105         //uint8_t       signature[4];           // PKZIP end central directory 0x504B0506
 106         uint16_t        this_disk_number;       // number of this disk, always zero
 107         uint16_t        disk_with_first;        // number of the disk with the start of
 108                                                 // central directory, always zero
 109         uint16_t        this_disk_entry_count;  // total number of entries in the central directory on this disk
 110         uint16_t        total_entry_count;      // total number of entries in the central directory
 111                                                 // always equals this_disk_entry_count
 112         uint32_t        directory_length;       // total size of the central directory
 113         uint32_t        directory_offset;       // offset from beginning of this disk (this zip file)
 114                                                 // to the first central directory entry
 115         uint16_t        file_comment_length;
 116         //char          file_comment[variable];
 117 } ATTRIBUTE_PACKED pkzip_end_directory_t;
 118
 119
 120 typedef struct BXLOCAL {
 121         uint16_t        type;                   // Type                 // 50 4B
 122         uint8_t         unknown1[8];            //                      // 03 04 0A 00 00 00 00 00
 123         uint8_t         unknown2[4];            //                      // AB 5C 6A 39
 124         uint8_t         unknown3[4];            //                      // BE 5C 58 D1
 125         uint32_t        size1;                  // COD size 0x0DCC      // CC 0D 01 00
 126         uint32_t        size2;                  // COD size 0x0DCC      // CC OD 01 00
 127         uint8_t         strsize;                // Size of string       // 19
 128         uint8_t         reserved2;              // Reserved 0x00        // 00
 129         uint8_t         strfree;                // Empty uint8_t        // 04
 130         uint8_t         reserved3;              // Reserved 0x00        // 00
 131 }  ATTRIBUTE_PACKED codfile_header_t;
 132
 133
 134 typedef struct BXLOCAL {
 135         uint32_t        flashid;
 136         uint32_t        section_number;         // always 0
 137         uint32_t        vtable_pointer;         // always 0
 138         time_t          timestamp;
 139         uint32_t        user_version;
 140         uint32_t        fieldref_pointer;
 141         uint16_t        maxtype_list_size;
 142         uint16_t        reserved;               // always 0xFF
 143         int32_t         data_section;           // always 0xFFFF
 144         int32_t         module_info;            // always 0xFFFF
 145         uint16_t        version;
 146         uint16_t        code_size;
 147         uint16_t        data_size;
 148         uint16_t        flags;
 149 }  ATTRIBUTE_PACKED code_header_t;
 150
 151
 152 typedef struct BXLOCAL {
 153         uint8_t         flags;
 154         uint8_t         version;
 155         uint16_t        num_icalls;
 156         uint8_t         num_modules;
 157         uint8_t         num_classes ;
 158         uint16_t        exported_string_offset;
 159         uint16_t        data_uint8_ts_offset;
 160         uint16_t        empty_field;
 161         uint16_t        class_definitions;
 162         uint16_t        array_of_unknow1_fields[14];
 163         uint16_t        aliases;
 164         uint16_t        array_of_unknow2_fields[22];
 165 }  ATTRIBUTE_PACKED data_header_t;
 166
 167 #if USE_PACK_PRAGMA
 168 #pragma pack(pop)
 169 #endif
 170
 171 #endif
 172