Rename project folder.

2025-12-16 19:24:27 +00:00 · 2014-06-15 23:41:50 +01:00
parent 4e888f175c
commit ed86f9742b
46 changed files with 2 additions and 2 deletions
--- a/DiscImageChef/Plugins/extFS.cs
+++ b/DiscImageChef/Plugins/extFS.cs
@@ -0,0 +1,131 @@
+/***************************************************************************
+The Disc Image Chef
+----------------------------------------------------------------------------
+ 
+Filename       : extFS.cs
+Version        : 1.0
+Author(s)      : Natalia Portillo
+ 
+Component      : Filesystem plugins
+
+Revision       : $Revision$
+Last change by : $Author$
+Date           : $Date$
+ 
+--[ Description ] ----------------------------------------------------------
+ 
+Identifies Linux extended filesystem and shows information.
+ 
+--[ License ] --------------------------------------------------------------
+ 
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as
+    published by the Free Software Foundation, either version 3 of the
+    License, or (at your option) any later version.
+
+    This program 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+----------------------------------------------------------------------------
+Copyright (C) 2011-2014 Claunia.com
+****************************************************************************/
+//$Id$
+
+using System;
+using System.Text;
+using DiscImageChef;
+
+// Information from the Linux kernel
+namespace DiscImageChef.Plugins
+{
+    class extFS : Plugin
+    {
+        public extFS(PluginBase Core)
+        {
+            Name = "Linux extended Filesystem";
+            PluginUUID = new Guid("076CB3A2-08C2-4D69-BC8A-FCAA2E502BE2");
+        }
+
+        public override bool Identify(ImagePlugins.ImagePlugin imagePlugin, ulong partitionOffset)
+        {
+            byte[] sb_sector = imagePlugin.ReadSector(2 + partitionOffset); // Superblock resides at 0x400
+
+            UInt16 magic = BitConverter.ToUInt16(sb_sector, 0x038); // Here should reside magic number
+			
+            return magic == extFSMagic;
+        }
+
+        public override void GetInformation(ImagePlugins.ImagePlugin imagePlugin, ulong partitionOffset, out string information)
+        {
+            information = "";
+			
+            StringBuilder sb = new StringBuilder();
+
+            byte[] sb_sector = imagePlugin.ReadSector(2 + partitionOffset); // Superblock resides at 0x400
+            extFSSuperBlock ext_sb = new extFSSuperBlock();
+
+            ext_sb.inodes = BitConverter.ToUInt32(sb_sector, 0x000);
+            ext_sb.zones = BitConverter.ToUInt32(sb_sector, 0x004);
+            ext_sb.firstfreeblk = BitConverter.ToUInt32(sb_sector, 0x008);
+            ext_sb.freecountblk = BitConverter.ToUInt32(sb_sector, 0x00C);
+            ext_sb.firstfreeind = BitConverter.ToUInt32(sb_sector, 0x010);
+            ext_sb.freecountind = BitConverter.ToUInt32(sb_sector, 0x014);
+            ext_sb.firstdatazone = BitConverter.ToUInt32(sb_sector, 0x018);
+            ext_sb.logzonesize = BitConverter.ToUInt32(sb_sector, 0x01C);
+            ext_sb.maxsize = BitConverter.ToUInt32(sb_sector, 0x020);
+
+            sb.AppendLine("ext filesystem");
+            sb.AppendFormat("{0} zones on volume", ext_sb.zones);
+            sb.AppendFormat("{0} free blocks ({1} bytes)", ext_sb.freecountblk, ext_sb.freecountblk * 1024);
+            sb.AppendFormat("{0} inodes on volume, {1} free ({2}%)", ext_sb.inodes, ext_sb.freecountind, ext_sb.freecountind * 100 / ext_sb.inodes);
+            sb.AppendFormat("First free inode is {0}", ext_sb.firstfreeind);
+            sb.AppendFormat("First free block is {0}", ext_sb.firstfreeblk);
+            sb.AppendFormat("First data zone is {0}", ext_sb.firstdatazone);
+            sb.AppendFormat("Log zone size: {0}", ext_sb.logzonesize);
+            sb.AppendFormat("Max zone size: {0}", ext_sb.maxsize);
+
+            information = sb.ToString();
+        }
+
+        public const UInt16 extFSMagic = 0x137D;
+
+        public struct extFSSuperBlock
+        {
+            public UInt32 inodes;
+            // 0x000, inodes on volume
+            public UInt32 zones;
+            // 0x004, zones on volume
+            public UInt32 firstfreeblk;
+            // 0x008, first free block
+            public UInt32 freecountblk;
+            // 0x00C, free blocks count
+            public UInt32 firstfreeind;
+            // 0x010, first free inode
+            public UInt32 freecountind;
+            // 0x014, free inodes count
+            public UInt32 firstdatazone;
+            // 0x018, first data zone
+            public UInt32 logzonesize;
+            // 0x01C, log zone size
+            public UInt32 maxsize;
+            // 0x020, max zone size
+            public UInt32 reserved1;
+            // 0x024, reserved
+            public UInt32 reserved2;
+            // 0x028, reserved
+            public UInt32 reserved3;
+            // 0x02C, reserved
+            public UInt32 reserved4;
+            // 0x030, reserved
+            public UInt32 reserved5;
+            // 0x034, reserved
+            public UInt16 magic;
+            // 0x038, 0x137D (little endian)
+        }
+    }
+}