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Reorganize filesystems.

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This commit is contained in:
Natalia Portillo
2022-12-07 13:07:31 +00:00
parent 4be18eb09c
commit 5744119b9c
310 changed files with 12901 additions and 6408 deletions
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51
Aaru.Filesystems/UNICOS/Consts.cs Normal file
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// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : Consts.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : UNICOS filesystem plugin.
//
// --[ License ] --------------------------------------------------------------
//
// 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, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2023 Natalia Portillo
// ****************************************************************************/
// UNICOS is ILP64 so let's think everything is 64-bit
using blkno_t = System.Int64;
using daddr_t = System.Int64;
using dev_t = System.Int64;
using extent_t = System.Int64;
using ino_t = System.Int64;
using time_t = System.Int64;
namespace Aaru.Filesystems;
/// <inheritdoc />
/// <summary>Implements detection for the Cray UNICOS filesystem</summary>
public sealed partial class UNICOS
{
const int NC1_MAXPART = 64;
const int NC1_MAXIREG = 4;
const ulong UNICOS_MAGIC = 0x6e6331667331636e;
const ulong UNICOS_SECURE = 0xcd076d1771d670cd;
const string FS_TYPE = "unicos";
}

144
Aaru.Filesystems/UNICOS/Info.cs Normal file
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// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : Info.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : UNICOS filesystem plugin.
//
// --[ License ] --------------------------------------------------------------
//
// 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, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2023 Natalia Portillo
// ****************************************************************************/
// UNICOS is ILP64 so let's think everything is 64-bit
using System.Text;
using Aaru.CommonTypes;
using Aaru.CommonTypes.Enums;
using Aaru.CommonTypes.Interfaces;
using Aaru.Console;
using Aaru.Helpers;
using Schemas;
using blkno_t = System.Int64;
using daddr_t = System.Int64;
using dev_t = System.Int64;
using extent_t = System.Int64;
using ino_t = System.Int64;
using time_t = System.Int64;
namespace Aaru.Filesystems;
/// <inheritdoc />
/// <summary>Implements detection for the Cray UNICOS filesystem</summary>
public sealed partial class UNICOS
{
/// <inheritdoc />
public bool Identify(IMediaImage imagePlugin, Partition partition)
{
if(imagePlugin.Info.SectorSize < 512)
return false;
uint sbSize = (uint)(Marshal.SizeOf<Superblock>() / imagePlugin.Info.SectorSize);
if(Marshal.SizeOf<Superblock>() % imagePlugin.Info.SectorSize != 0)
sbSize++;
if(partition.Start + sbSize >= partition.End)
return false;
ErrorNumber errno = imagePlugin.ReadSectors(partition.Start, sbSize, out byte[] sector);
if(errno != ErrorNumber.NoError)
return false;
if(sector.Length < Marshal.SizeOf<Superblock>())
return false;
Superblock unicosSb = Marshal.ByteArrayToStructureBigEndian<Superblock>(sector);
AaruConsole.DebugWriteLine("UNICOS plugin", Localization.magic_equals_0_expected_1, unicosSb.s_magic,
UNICOS_MAGIC);
return unicosSb.s_magic == UNICOS_MAGIC;
}
/// <inheritdoc />
public void GetInformation(IMediaImage imagePlugin, Partition partition, out string information, Encoding encoding)
{
Encoding = encoding ?? Encoding.GetEncoding("iso-8859-15");
information = "";
if(imagePlugin.Info.SectorSize < 512)
return;
uint sbSize = (uint)(Marshal.SizeOf<Superblock>() / imagePlugin.Info.SectorSize);
if(Marshal.SizeOf<Superblock>() % imagePlugin.Info.SectorSize != 0)
sbSize++;
ErrorNumber errno = imagePlugin.ReadSectors(partition.Start, sbSize, out byte[] sector);
if(errno != ErrorNumber.NoError)
return;
if(sector.Length < Marshal.SizeOf<Superblock>())
return;
Superblock unicosSb = Marshal.ByteArrayToStructureBigEndian<Superblock>(sector);
if(unicosSb.s_magic != UNICOS_MAGIC)
return;
var sb = new StringBuilder();
sb.AppendLine(Localization.UNICOS_filesystem);
if(unicosSb.s_secure == UNICOS_SECURE)
sb.AppendLine(Localization.Volume_is_secure);
sb.AppendFormat(Localization.Volume_contains_0_partitions, unicosSb.s_npart).AppendLine();
sb.AppendFormat(Localization._0_bytes_per_sector, unicosSb.s_iounit).AppendLine();
sb.AppendLine(Localization._4096_bytes_per_block);
sb.AppendFormat(Localization._0_data_blocks_in_volume, unicosSb.s_fsize).AppendLine();
sb.AppendFormat(Localization.Root_resides_on_inode_0, unicosSb.s_root).AppendLine();
sb.AppendFormat(Localization._0_inodes_in_volume, unicosSb.s_isize).AppendLine();
sb.AppendFormat(Localization.Volume_last_updated_on_0, DateHandlers.UnixToDateTime(unicosSb.s_time)).
AppendLine();
if(unicosSb.s_error > 0)
sb.AppendFormat(Localization.Volume_is_dirty_error_code_equals_0, unicosSb.s_error).AppendLine();
sb.AppendFormat(Localization.Volume_name_0, StringHandlers.CToString(unicosSb.s_fname, Encoding)).AppendLine();
information = sb.ToString();
XmlFsType = new FileSystemType
{
Type = FS_TYPE,
ClusterSize = 4096,
Clusters = (ulong)unicosSb.s_fsize,
VolumeName = StringHandlers.CToString(unicosSb.s_fname, Encoding),
ModificationDate = DateHandlers.UnixToDateTime(unicosSb.s_time),
ModificationDateSpecified = true
};
XmlFsType.Dirty |= unicosSb.s_error > 0;
}
}

127
Aaru.Filesystems/UNICOS/Structs.cs Normal file
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// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : Structs.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : UNICOS filesystem plugin.
//
// --[ License ] --------------------------------------------------------------
//
// 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, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2023 Natalia Portillo
// ****************************************************************************/
// UNICOS is ILP64 so let's think everything is 64-bit
using System.Diagnostics.CodeAnalysis;
using System.Runtime.InteropServices;
using blkno_t = System.Int64;
using daddr_t = System.Int64;
using dev_t = System.Int64;
using extent_t = System.Int64;
using ino_t = System.Int64;
using time_t = System.Int64;
namespace Aaru.Filesystems;
/// <inheritdoc />
/// <summary>Implements detection for the Cray UNICOS filesystem</summary>
public sealed partial class UNICOS
{
[StructLayout(LayoutKind.Sequential, Pack = 1), SuppressMessage("ReSharper", "InconsistentNaming")]
readonly struct nc1ireg_sb
{
public readonly ushort i_unused; /* reserved */
public readonly ushort i_nblk; /* number of blocks */
public readonly uint i_sblk; /* start block number */
}
[StructLayout(LayoutKind.Sequential, Pack = 1), SuppressMessage("ReSharper", "InconsistentNaming")]
readonly struct nc1fdev_sb
{
public readonly long fd_name; /* Physical device name */
public readonly uint fd_sblk; /* Start block number */
public readonly uint fd_nblk; /* Number of blocks */
[MarshalAs(UnmanagedType.ByValArray, SizeConst = NC1_MAXIREG)]
public readonly nc1ireg_sb[] fd_ireg; /* Inode regions */
}
[StructLayout(LayoutKind.Sequential, Pack = 1), SuppressMessage("ReSharper", "InconsistentNaming"),
SuppressMessage("ReSharper", "BuiltInTypeReferenceStyle")]
readonly struct Superblock
{
public readonly ulong s_magic; /* magic number to indicate file system type */
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)]
public readonly byte[] s_fname; /* file system name */
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)]
public readonly byte[] s_fpack; /* file system pack name */
public readonly dev_t s_dev; /* major/minor device, for verification */
public readonly daddr_t s_fsize; /* size in blocks of entire volume */
public readonly long s_isize; /* Number of total inodes */
public readonly long s_bigfile; /* number of bytes at which a file is big */
public readonly long s_bigunit; /* minimum number of blocks allocated for big files */
public readonly ulong s_secure; /* security: secure FS label */
public readonly long s_maxlvl; /* security: maximum security level */
public readonly long s_minlvl; /* security: minimum security level */
public readonly long s_valcmp; /* security: valid security compartments */
public readonly time_t s_time; /* last super block update */
public readonly blkno_t s_dboff; /* Dynamic block number */
public readonly ino_t s_root; /* root inode */
public readonly long s_error; /* Type of file system error detected */
public readonly blkno_t s_mapoff; /* Start map block number */
public readonly long s_mapblks; /* Last map block number */
public readonly long s_nscpys; /* Number of copies of s.b per partition */
public readonly long s_npart; /* Number of partitions */
public readonly long s_ifract; /* Ratio of inodes to blocks */
public readonly extent_t s_sfs; /* SFS only blocks */
public readonly long s_flag; /* Flag word */
[MarshalAs(UnmanagedType.ByValArray, SizeConst = NC1_MAXPART)]
public readonly nc1fdev_sb[] s_part; /* Partition descriptors */
public readonly long s_iounit; /* Physical block size */
public readonly long s_numiresblks; /* number of inode reservation blocks */
/* per region (currently 1) */
/* 0 = 1*(AU) words, n = (n+1)*(AU) words */
public readonly long s_priparts; /* bitmap of primary partitions */
public readonly long s_priblock; /* block size of primary partition(s) */
/* 0 = 1*512 words, n = (n+1)*512 words */
public readonly long s_prinblks; /* number of 512 wds blocks in primary */
public readonly long s_secparts; /* bitmap of secondary partitions */
public readonly long s_secblock; /* block size of secondary partition(s) */
/* 0 = 1*512 words, n = (n+1)*512 words */
public readonly long s_secnblks; /* number of 512 wds blocks in secondary */
public readonly long s_sbdbparts; /* bitmap of partitions with file system data */
/* including super blocks, dynamic block */
/* and free block bitmaps (only primary */
/* partitions may contain these) */
public readonly long s_rootdparts; /* bitmap of partitions with root directory */
/* (only primary partitions) */
public readonly long s_nudparts; /* bitmap of no-user-data partitions */
/* (only primary partitions) */
public readonly long s_nsema; /* SFS: # fs semaphores to allocate */
public readonly long s_priactive; /* bitmap of primary partitions which contain */
/* active (up to date) dynamic blocks and */
/* free block bitmaps. All bits set indicate */
/* that all primary partitions are active, */
/* and no kernel manipulation of active flag */
/* is allowed. */
public readonly long s_sfs_arbiterid; /* SFS Arbiter ID */
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 91)]
public readonly long[] s_fill; /* reserved */
}
}

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Aaru.Filesystems/UNICOS/UNICOS.cs Normal file
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// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : UNICOS.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : UNICOS filesystem plugin.
//
// --[ License ] --------------------------------------------------------------
//
// 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, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2023 Natalia Portillo
// ****************************************************************************/
// UNICOS is ILP64 so let's think everything is 64-bit
using System;
using System.Text;
using Aaru.CommonTypes.Interfaces;
using Schemas;
using blkno_t = System.Int64;
using daddr_t = System.Int64;
using dev_t = System.Int64;
using extent_t = System.Int64;
using ino_t = System.Int64;
using time_t = System.Int64;
namespace Aaru.Filesystems;
/// <inheritdoc />
/// <summary>Implements detection for the Cray UNICOS filesystem</summary>
public sealed partial class UNICOS : IFilesystem
{
/// <inheritdoc />
public FileSystemType XmlFsType { get; private set; }
/// <inheritdoc />
public Encoding Encoding { get; private set; }
/// <inheritdoc />
public string Name => Localization.UNICOS_Name;
/// <inheritdoc />
public Guid Id => new("61712F04-066C-44D5-A2A0-1E44C66B33F0");
/// <inheritdoc />
public string Author => Authors.NataliaPortillo;
}