Added MS-FSCC enums and structures required for SMB2

SMBLibrary/Structures/FileSystemInformation/FileFsAttributeInformation.cs

@@ -0,0 +1,66 @@
+/* Copyright (C) 2017 Tal Aloni <tal.aloni.il@gmail.com>. All rights reserved.
+ * 
+ * You can redistribute this program and/or modify it under the terms of
+ * the GNU Lesser Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ */
+using System;
+using System.Collections.Generic;
+using Utilities;
+
+namespace SMBLibrary
+{
+    /// <summary>
+    /// [MS-FSCC] 2.5.1 - FileFsAttributeInformation
+    /// </summary>
+    public class FileFsAttributeInformation : FileSystemInformation
+    {
+        public const int FixedLength = 12;
+
+        public FileSystemAttributes FileSystemAttributes;
+        /// <summary>
+        /// Maximum file name component length, in bytes, supported by the specified file system.
+        /// The value of this field MUST be greater than zero and MUST be no more than 510.
+        /// </summary>
+        public uint MaximumComponentNameLength;
+        private uint FileSystemNameLength;
+        public string FileSystemName = String.Empty;
+
+        public FileFsAttributeInformation()
+        {
+        }
+
+        public FileFsAttributeInformation(byte[] buffer, int offset)
+        {
+            FileSystemAttributes = (FileSystemAttributes)LittleEndianConverter.ToUInt32(buffer, offset + 0);
+            MaximumComponentNameLength = LittleEndianConverter.ToUInt32(buffer, offset + 4);
+            FileSystemNameLength = LittleEndianConverter.ToUInt32(buffer, offset + 8);
+            FileSystemName = ByteReader.ReadUTF16String(buffer, offset + 12, (int)FileSystemNameLength / 2);
+        }
+
+        public override void WriteBytes(byte[] buffer, int offset)
+        {
+            FileSystemNameLength = (uint)(FileSystemName.Length * 2);
+            LittleEndianWriter.WriteUInt32(buffer, offset + 0, (uint)FileSystemAttributes);
+            LittleEndianWriter.WriteUInt32(buffer, offset + 4, MaximumComponentNameLength);
+            LittleEndianWriter.WriteUInt32(buffer, offset + 8, FileSystemNameLength);
+            ByteWriter.WriteUTF16String(buffer, offset + 12, FileSystemName);
+        }
+
+        public override FileSystemInformationClass FileSystemInformationClass
+        {
+            get
+            {
+                return FileSystemInformationClass.FileFsAttributeInformation;
+            }
+        }
+
+        public override int Length
+        {
+            get
+            {
+                return FixedLength + FileSystemName.Length * 2;
+            }
+        }
+    }
+}