Initial commit - WPinternals 2.6

2026-06-21 22:51:02 +10:00 · 2018-10-25 22:35:49 +02:00
commit 396ae57f05
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+//
+// Copyright (c) 2008-2011, Kenneth Bell
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+//
+
+namespace DiscUtils.Ntfs
+{
+    using System;
+    using System.Text;
+
+    internal enum AttributeCollationRule : int
+    {
+        Binary                = 0x00000000,
+        Filename              = 0x00000001,
+        UnicodeString         = 0x00000002,
+        UnsignedLong          = 0x00000010,
+        Sid                   = 0x00000011,
+        SecurityHash          = 0x00000012,
+        MultipleUnsignedLongs = 0x00000013
+    }
+
+    [Flags]
+    internal enum AttributeTypeFlags : int
+    {
+        None             = 0x00,
+        Indexed          = 0x02,
+        Multiple         = 0x04,
+        NotZero          = 0x08,
+        IndexedUnique    = 0x10,
+        NamedUnique      = 0x20,
+        MustBeResident   = 0x40,
+        CanBeNonResident = 0x80
+    }
+
+    internal sealed class AttributeDefinitionRecord
+    {
+        public const int Size = 0xA0;
+
+        public string Name;
+        public AttributeType Type;
+        public uint DisplayRule;
+        public AttributeCollationRule CollationRule;
+        public AttributeTypeFlags Flags;
+        public long MinSize;
+        public long MaxSize;
+
+        internal void Read(byte[] buffer, int offset)
+        {
+            Name = Encoding.Unicode.GetString(buffer, offset + 0, 128).Trim('\0');
+            Type = (AttributeType)Utilities.ToUInt32LittleEndian(buffer, offset + 0x80);
+            DisplayRule = Utilities.ToUInt32LittleEndian(buffer, offset + 0x84);
+            CollationRule = (AttributeCollationRule)Utilities.ToUInt32LittleEndian(buffer, offset + 0x88);
+            Flags = (AttributeTypeFlags)Utilities.ToUInt32LittleEndian(buffer, offset + 0x8C);
+            MinSize = Utilities.ToInt64LittleEndian(buffer, offset + 0x90);
+            MaxSize = Utilities.ToInt64LittleEndian(buffer, offset + 0x98);
+        }
+
+        internal void Write(byte[] buffer, int offset)
+        {
+            Encoding.Unicode.GetBytes(Name, 0, Name.Length, buffer, offset + 0);
+            Utilities.WriteBytesLittleEndian((uint)Type, buffer, offset + 0x80);
+            Utilities.WriteBytesLittleEndian(DisplayRule, buffer, offset + 0x84);
+            Utilities.WriteBytesLittleEndian((uint)CollationRule, buffer, offset + 0x88);
+            Utilities.WriteBytesLittleEndian((uint)Flags, buffer, offset + 0x8C);
+            Utilities.WriteBytesLittleEndian(MinSize, buffer, offset + 0x90);
+            Utilities.WriteBytesLittleEndian(MaxSize, buffer, offset + 0x98);
+        }
+    }
+}