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Decode "PX" system area.

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This commit is contained in:
Natalia Portillo
2019-07-28 17:46:09 +01:00
parent ebc775fec2
commit 3c09d6873b
6 changed files with 149 additions and 74 deletions
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128
DiscImageChef.Filesystems/ISO9660/Structs/RRIP.cs
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@@ -36,99 +36,117 @@ namespace DiscImageChef.Filesystems.ISO9660
{
public partial class ISO9660
{
// RRIP 1.10
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct PosixAttributesOld
{
public readonly ushort signature;
public readonly byte length;
public readonly byte version;
public readonly PosixMode st_mode;
public readonly PosixMode st_mode_be;
public readonly uint st_nlink;
public readonly uint st_nlink_be;
public readonly uint st_uid;
public readonly uint st_uid_be;
public readonly uint st_gid;
public readonly uint st_gid_be;
}
// RRIP 1.12
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct PosixAttributes
{
public ushort signature;
public byte length;
public byte version;
public PosixMode st_mode;
public PosixMode st_mode_be;
public uint st_nlink;
public uint st_nlink_be;
public uint st_uid;
public uint st_uid_be;
public uint st_gid;
public uint st_gid_be;
public uint st_ino;
public uint st_ino_be;
public readonly ushort signature;
public readonly byte length;
public readonly byte version;
public readonly PosixMode st_mode;
public readonly PosixMode st_mode_be;
public readonly uint st_nlink;
public readonly uint st_nlink_be;
public readonly uint st_uid;
public readonly uint st_uid_be;
public readonly uint st_gid;
public readonly uint st_gid_be;
public readonly uint st_ino;
public readonly uint st_ino_be;
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct PosixDeviceNumber
{
public ushort signature;
public byte length;
public byte version;
public uint dev_t_high;
public uint dev_t_high_be;
public uint dev_t_low;
public uint dev_t_low_be;
public readonly ushort signature;
public readonly byte length;
public readonly byte version;
public readonly uint dev_t_high;
public readonly uint dev_t_high_be;
public readonly uint dev_t_low;
public readonly uint dev_t_low_be;
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct SymbolicLink
{
public ushort signature;
public byte length;
public byte version;
public SymlinkFlags flags;
public readonly ushort signature;
public readonly byte length;
public readonly byte version;
public readonly SymlinkFlags flags;
// Followed by SymbolicLinkComponent (link to /bar/foo uses at least two of these structs)
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct SymbolicLinkComponent
{
public SymlinkComponentFlags flags;
public byte length;
public readonly SymlinkComponentFlags flags;
public readonly byte length;
// Followed by component content
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct AlternateName
{
public ushort signature;
public byte length;
public byte version;
public AlternateNameFlags flags;
public readonly ushort signature;
public readonly byte length;
public readonly byte version;
public readonly AlternateNameFlags flags;
// Folowed by name, can be divided in pieces
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct ChildLink
{
public ushort signature;
public byte length;
public byte version;
public uint child_dir_lba;
public uint child_dir_lba_be;
public readonly ushort signature;
public readonly byte length;
public readonly byte version;
public readonly uint child_dir_lba;
public readonly uint child_dir_lba_be;
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct ParentLink
{
public ushort signature;
public byte length;
public byte version;
public uint parent_dir_lba;
public uint parent_dir_lba_be;
public readonly ushort signature;
public readonly byte length;
public readonly byte version;
public readonly uint parent_dir_lba;
public readonly uint parent_dir_lba_be;
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct RelocatedDirectory
{
public ushort signature;
public byte length;
public byte version;
public readonly ushort signature;
public readonly byte length;
public readonly byte version;
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct Timestamps
{
public ushort signature;
public byte length;
public byte version;
public TimestampFlags flags;
public readonly ushort signature;
public readonly byte length;
public readonly byte version;
public readonly TimestampFlags flags;
// If flags indicate long format, timestamps are 17 bytes, if not, 7 bytes
// Followed by creation time if present
// Followed by modification time if present
@@ -142,14 +160,14 @@ namespace DiscImageChef.Filesystems.ISO9660
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct SparseFile
{
public ushort signature;
public byte length;
public byte version;
public uint virtual_size_high;
public uint virtual_size_high_be;
public uint virtual_size_low;
public uint virtual_size_low_be;
public byte table_depth;
public readonly ushort signature;
public readonly byte length;
public readonly byte version;
public readonly uint virtual_size_high;
public readonly uint virtual_size_high_be;
public readonly uint virtual_size_low;
public readonly uint virtual_size_low_be;
public readonly byte table_depth;
}
}
}