aaru-dps/Aaru
1
0
Fork 0
mirror of https://github.com/aaru-dps/Aaru.git synced 2025-12-16 19:24:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

Implement ISO9660 file record timestamp decoding.

Browse Source
This commit is contained in:
Natalia Portillo
2019-07-19 14:59:35 +01:00
parent 67c23b2fab
commit 74a02a3194
3 changed files with 123 additions and 96 deletions
Download Patch File Download Diff File Expand all files Collapse all files

199
DiscImageChef.Filesystems/ISO9660/Structs/ISO.cs
View File

@@ -85,162 +85,173 @@ namespace DiscImageChef.Filesystems.ISO9660
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct PrimaryVolumeDescriptor
{
public byte type;
public readonly byte type;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 5)]
public byte[] id;
public byte version;
public readonly byte[] id;
public readonly byte version;
// Only used in SVDs
public byte flags;
public readonly byte flags;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
public byte[] system_id;
public readonly byte[] system_id;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
public byte[] volume_id;
public ulong reserved1;
public uint volume_space_size;
public uint volume_space_size_be;
public readonly byte[] volume_id;
public readonly ulong reserved1;
public readonly uint volume_space_size;
public readonly uint volume_space_size_be;
// Only used in SVDs
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
public byte[] escape_sequences;
public ushort volume_set_size;
public ushort volume_set_size_be;
public ushort volume_sequence_number;
public ushort volume_sequence_number_be;
public ushort logical_block_size;
public ushort logical_block_size_be;
public uint path_table_size;
public uint path_table_size_be;
public uint type_1_path_table;
public uint opt_type_1_path_table;
public uint type_m_path_table;
public uint opt_type_m_path_table;
public DirectoryRecord root_directory_record;
public byte root_directory_name;
public readonly byte[] escape_sequences;
public readonly ushort volume_set_size;
public readonly ushort volume_set_size_be;
public readonly ushort volume_sequence_number;
public readonly ushort volume_sequence_number_be;
public readonly ushort logical_block_size;
public readonly ushort logical_block_size_be;
public readonly uint path_table_size;
public readonly uint path_table_size_be;
public readonly uint type_1_path_table;
public readonly uint opt_type_1_path_table;
public readonly uint type_m_path_table;
public readonly uint opt_type_m_path_table;
public readonly DirectoryRecord root_directory_record;
public readonly byte root_directory_name;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 128)]
public byte[] volume_set_id;
public readonly byte[] volume_set_id;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 128)]
public byte[] publisher_id;
public readonly byte[] publisher_id;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 128)]
public byte[] preparer_id;
public readonly byte[] preparer_id;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 128)]
public byte[] application_id;
public readonly byte[] application_id;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 37)]
public byte[] copyright_file_id;
public readonly byte[] copyright_file_id;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 37)]
public byte[] abstract_file_id;
public readonly byte[] abstract_file_id;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 37)]
public byte[] bibliographic_file_id;
public readonly byte[] bibliographic_file_id;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 17)]
public byte[] creation_date;
public readonly byte[] creation_date;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 17)]
public byte[] modification_date;
public readonly byte[] modification_date;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 17)]
public byte[] expiration_date;
public readonly byte[] expiration_date;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 17)]
public byte[] effective_date;
public byte file_structure_version;
public byte reserved2;
public readonly byte[] effective_date;
public readonly byte file_structure_version;
public readonly byte reserved2;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 512)]
public byte[] application_data;
public readonly byte[] application_data;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 653)]
public byte[] reserved3;
public readonly byte[] reserved3;
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct BootRecord
{
public byte type;
public readonly byte type;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 5)]
public byte[] id;
public byte version;
public readonly byte[] id;
public readonly byte version;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
public byte[] system_id;
public readonly byte[] system_id;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
public byte[] boot_id;
public readonly byte[] boot_id;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 1977)]
public byte[] boot_use;
public readonly byte[] boot_use;
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct PartitionDescriptor
{
public byte type;
public readonly byte type;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 5)]
public byte[] id;
public byte version;
public byte reserved1;
public readonly byte[] id;
public readonly byte version;
public readonly byte reserved1;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
public byte[] system_id;
public readonly byte[] system_id;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
public byte[] partition_id;
public uint partition_location;
public uint partition_location_be;
public uint partition_size;
public uint partition_size_be;
public readonly byte[] partition_id;
public readonly uint partition_location;
public readonly uint partition_location_be;
public readonly uint partition_size;
public readonly uint partition_size_be;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 1960)]
public byte[] system_use;
public readonly byte[] system_use;
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct DirectoryRecord
{
public byte length;
public byte xattr_len;
public uint extent;
public uint extent_be;
public uint size;
public uint size_be;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 7)]
public byte[] date;
public FileFlags flags;
public byte file_unit_size;
public byte interleave;
public ushort volume_sequence_number;
public ushort volume_sequence_number_be;
public byte name_len;
public readonly byte length;
public readonly byte xattr_len;
public readonly uint extent;
public readonly uint extent_be;
public readonly uint size;
public readonly uint size_be;
public readonly IsoTimestamp date;
public readonly FileFlags flags;
public readonly byte file_unit_size;
public readonly byte interleave;
public readonly ushort volume_sequence_number;
public readonly ushort volume_sequence_number_be;
public readonly byte name_len;
// Followed by name[name_len] and then system area until length arrives
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct ExtendedAttributeRecord
{
public ushort owner;
public ushort owner_be;
public ushort group;
public ushort group_be;
public Permissions permissions;
public readonly ushort owner;
public readonly ushort owner_be;
public readonly ushort group;
public readonly ushort group_be;
public readonly Permissions permissions;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 17)]
public byte[] creation_date;
public readonly byte[] creation_date;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 17)]
public byte[] modification_date;
public readonly byte[] modification_date;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 17)]
public byte[] expiration_date;
public readonly byte[] expiration_date;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 17)]
public byte[] effective_date;
public RecordFormat record_format;
public RecordAttribute record_attributes;
public ushort record_length;
public ushort record_length_be;
public readonly byte[] effective_date;
public readonly RecordFormat record_format;
public readonly RecordAttribute record_attributes;
public readonly ushort record_length;
public readonly ushort record_length_be;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
public byte[] system_id;
public readonly byte[] system_id;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
public byte[] system_use;
public byte record_version;
public byte escape_len;
public readonly byte[] system_use;
public readonly byte record_version;
public readonly byte escape_len;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
public byte[] reserved1;
public ushort app_use_len;
public ushort app_use_len_be;
public readonly byte[] reserved1;
public readonly ushort app_use_len;
public readonly ushort app_use_len_be;
}
// There are two tables one in little endian one in big endian
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct PathTableEntry
{
public byte name_len;
public byte xattr_len;
public uint start_lbn;
public ushort parent_dirno;
public readonly byte name_len;
public readonly byte xattr_len;
public readonly uint start_lbn;
public readonly ushort parent_dirno;
// Followed by name[name_len]
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct IsoTimestamp
{
public readonly byte Years;
public readonly byte Month;
public readonly byte Day;
public readonly byte Hour;
public readonly byte Minute;
public readonly byte Second;
public readonly sbyte GmtOffset;
}
}
}