Reorganize filesystems.

2025-12-16 19:24:25 +00:00 · 2022-12-07 13:07:31 +00:00
parent 4be18eb09c
commit 5744119b9c
310 changed files with 12901 additions and 6408 deletions
--- a/Aaru.Filesystems/PFS/Info.cs
+++ b/Aaru.Filesystems/PFS/Info.cs
@@ -0,0 +1,129 @@
+// /***************************************************************************
+// Aaru Data Preservation Suite
+// ----------------------------------------------------------------------------
+//
+// Filename       : Info.cs
+// Author(s)      : Natalia Portillo <claunia@claunia.com>
+//
+// Component      : Professional File System 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
+// ****************************************************************************/
+
+// ReSharper disable UnusedType.Local
+
+using System.Text;
+using Aaru.CommonTypes;
+using Aaru.CommonTypes.Enums;
+using Aaru.CommonTypes.Interfaces;
+using Aaru.Helpers;
+using Schemas;
+
+namespace Aaru.Filesystems;
+
+/// <inheritdoc />
+/// <summary>Implements detection of the Professional File System</summary>
+public sealed partial class PFS
+{
+    /// <inheritdoc />
+    public bool Identify(IMediaImage imagePlugin, Partition partition)
+    {
+        if(partition.Length < 3)
+            return false;
+
+        ErrorNumber errno = imagePlugin.ReadSector(2 + partition.Start, out byte[] sector);
+
+        if(errno != ErrorNumber.NoError)
+            return false;
+
+        uint magic = BigEndianBitConverter.ToUInt32(sector, 0x00);
+
+        return magic is AFS_DISK or PFS2_DISK or PFS_DISK or MUAF_DISK or MUPFS_DISK;
+    }
+
+    /// <inheritdoc />
+    public void GetInformation(IMediaImage imagePlugin, Partition partition, out string information, Encoding encoding)
+    {
+        information = "";
+        Encoding    = encoding ?? Encoding.GetEncoding("iso-8859-1");
+        ErrorNumber errno = imagePlugin.ReadSector(2 + partition.Start, out byte[] rootBlockSector);
+
+        if(errno != ErrorNumber.NoError)
+            return;
+
+        RootBlock rootBlock = Marshal.ByteArrayToStructureBigEndian<RootBlock>(rootBlockSector);
+
+        var sbInformation = new StringBuilder();
+        XmlFsType = new FileSystemType();
+
+        switch(rootBlock.diskType)
+        {
+            case AFS_DISK:
+            case MUAF_DISK:
+                sbInformation.Append(Localization.Professional_File_System_v1);
+                XmlFsType.Type = FS_TYPE;
+
+                break;
+            case PFS2_DISK:
+                sbInformation.Append(Localization.Professional_File_System_v2);
+                XmlFsType.Type = FS_TYPE;
+
+                break;
+            case PFS_DISK:
+            case MUPFS_DISK:
+                sbInformation.Append(Localization.Professional_File_System_v3);
+                XmlFsType.Type = FS_TYPE;
+
+                break;
+        }
+
+        if(rootBlock.diskType is MUAF_DISK or MUPFS_DISK)
+            sbInformation.Append(Localization.with_multi_user_support);
+
+        sbInformation.AppendLine();
+
+        sbInformation.
+            AppendFormat(Localization.Volume_name_0, StringHandlers.PascalToString(rootBlock.diskname, Encoding)).
+            AppendLine();
+
+        sbInformation.
+            AppendFormat(Localization.Volume_has_0_free_sectors_of_1, rootBlock.blocksfree, rootBlock.diskSize).
+            AppendLine();
+
+        sbInformation.AppendFormat(Localization.Volume_created_on_0,
+                                   DateHandlers.AmigaToDateTime(rootBlock.creationday, rootBlock.creationminute,
+                                                                rootBlock.creationtick)).AppendLine();
+
+        if(rootBlock.extension > 0)
+            sbInformation.AppendFormat(Localization.Root_block_extension_resides_at_block_0, rootBlock.extension).
+                          AppendLine();
+
+        information = sbInformation.ToString();
+
+        XmlFsType.CreationDate =
+            DateHandlers.AmigaToDateTime(rootBlock.creationday, rootBlock.creationminute, rootBlock.creationtick);
+
+        XmlFsType.CreationDateSpecified = true;
+        XmlFsType.FreeClusters          = rootBlock.blocksfree;
+        XmlFsType.FreeClustersSpecified = true;
+        XmlFsType.Clusters              = rootBlock.diskSize;
+        XmlFsType.ClusterSize           = imagePlugin.Info.SectorSize;
+        XmlFsType.VolumeName            = StringHandlers.PascalToString(rootBlock.diskname, Encoding);
+    }
+}