Added SMB_GEA_LIST / SMB_GEA structures

SMBLibrary/SMB1/Transaction2Subcommands/Structures/ExtendedAttributeName.cs

@@ -0,0 +1,47 @@
+/* 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 System.Text;
+using Utilities;
+
+namespace SMBLibrary.SMB1
+{
+    /// <summary>
+    /// [MS-CIFS] 2.2.1.2.1 - SMB_GEA
+    /// </summary>
+    public class ExtendedAttributeName
+    {
+        private byte AttributeNameLengthInBytes;
+        public string AttributeName; // ANSI, AttributeNameLengthInBytes + 1 byte null termination
+
+        public ExtendedAttributeName()
+        {
+        }
+
+        public ExtendedAttributeName(byte[] buffer, int offset)
+        {
+            AttributeNameLengthInBytes = ByteReader.ReadByte(buffer, offset + 0);
+            AttributeName = ByteReader.ReadAnsiString(buffer, offset + 1, AttributeNameLengthInBytes);
+        }
+
+        public void WriteBytes(byte[] buffer, int offset)
+        {
+            AttributeNameLengthInBytes = (byte)AttributeName.Length;
+            ByteWriter.WriteByte(buffer, offset + 0, AttributeNameLengthInBytes);
+            ByteWriter.WriteAnsiString(buffer, offset + 1, AttributeName, AttributeName.Length);
+        }
+
+        public int Length
+        {
+            get
+            {
+                return 1 + AttributeName.Length + 1;
+            }
+        }
+    }
+}

SMBLibrary/SMB1/Transaction2Subcommands/Structures/ExtendedAttributeNameList.cs

@@ -0,0 +1,67 @@
+/* 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 System.Text;
+using Utilities;
+
+namespace SMBLibrary.SMB1
+{
+    /// <summary>
+    /// [MS-CIFS] 2.2.1.2.1.1 - SMB_GEA_LIST
+    /// </summary>
+    public class ExtendedAttributeNameList : List<ExtendedAttributeName>
+    {
+        public ExtendedAttributeNameList()
+        {
+        }
+
+        public ExtendedAttributeNameList(byte[] buffer, int offset)
+        {
+            // [MS-CIFS] length MUST contain the total size of the GEAList field, plus the size of the SizeOfListInBytes field
+            int length = (int)LittleEndianConverter.ToUInt32(buffer, offset + 0);
+            int position = offset + 4;
+            int eof = offset + length;
+            while (position < eof)
+            {
+                ExtendedAttributeName attribute = new ExtendedAttributeName(buffer, position);
+                this.Add(attribute);
+                position += attribute.Length;
+            }
+        }
+
+        public byte[] GetBytes()
+        {
+            byte[] buffer = new byte[this.Length];
+            WriteBytes(buffer, 0);
+            return buffer;
+        }
+
+        public void WriteBytes(byte[] buffer, int offset)
+        {
+            LittleEndianWriter.WriteUInt32(buffer, ref offset, (uint)Length);
+            foreach (ExtendedAttributeName entry in this)
+            {
+                entry.WriteBytes(buffer, offset);
+                offset += entry.Length;
+            }
+        }
+
+        public int Length
+        {
+            get
+            {
+                int length = 4;
+                foreach (ExtendedAttributeName entry in this)
+                {
+                    length += entry.Length;
+                }
+                return length;
+            }
+        }
+    }
+}

SMBLibrary/SMBLibrary.csproj

@@ -328,6 +328,8 @@
     <Compile Include="SMB1\Transaction2Subcommands\Structures\DFSReferral\DfsReferralEntry.cs" />
     <Compile Include="SMB1\Transaction2Subcommands\Structures\DFSReferral\RequestGetDfsReferral.cs" />
     <Compile Include="SMB1\Transaction2Subcommands\Structures\DFSReferral\ResponseGetDfsReferral.cs" />
+    <Compile Include="SMB1\Transaction2Subcommands\Structures\ExtendedAttributeName.cs" />
+    <Compile Include="SMB1\Transaction2Subcommands\Structures\ExtendedAttributeNameList.cs" />
     <Compile Include="SMB1\Transaction2Subcommands\Structures\FindInformation\FindFileBothDirectoryInfo.cs" />
     <Compile Include="SMB1\Transaction2Subcommands\Structures\FindInformation\FindFileDirectoryInfo.cs" />
     <Compile Include="SMB1\Transaction2Subcommands\Structures\FindInformation\FindFileFullDirectoryInfo.cs" />