From 8aad4adb9c93793a7ecece31b680e63e20056982 Mon Sep 17 00:00:00 2001
From: Tal Aloni <tal.aloni.il@gmail.com>
Date: Fri, 21 Jul 2017 18:14:22 +0300
Subject: [PATCH] Added SMB_COM_NT_CANCEL request implementation

---
 SMBLibrary/SMB1/Commands/NTCancelRequest.cs | 35 +++++++++++++++++++++
 SMBLibrary/SMB1/Commands/SMB1Command.cs     |  2 ++
 SMBLibrary/SMB1/Enums/CommandName.cs        |  1 +
 SMBLibrary/SMBLibrary.csproj                |  1 +
 4 files changed, 39 insertions(+)
 create mode 100644 SMBLibrary/SMB1/Commands/NTCancelRequest.cs

diff --git a/SMBLibrary/SMB1/Commands/NTCancelRequest.cs b/SMBLibrary/SMB1/Commands/NTCancelRequest.cs
new file mode 100644
index 0000000..bf78ad6
--- /dev/null
+++ b/SMBLibrary/SMB1/Commands/NTCancelRequest.cs
@@ -0,0 +1,35 @@
+/* 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>
+    /// SMB_COM_NT_CANCEL Request
+    /// </summary>
+    public class NTCancelRequest : SMB1Command
+    {
+        public NTCancelRequest()
+        {
+        }
+
+        public NTCancelRequest(byte[] buffer, int offset) : base(buffer, offset, false)
+        {
+        }
+
+        public override CommandName CommandName
+        {
+            get
+            {
+                return CommandName.SMB_COM_NT_CANCEL;
+            }
+        }
+    }
+}
diff --git a/SMBLibrary/SMB1/Commands/SMB1Command.cs b/SMBLibrary/SMB1/Commands/SMB1Command.cs
index d3370b7..516fda5 100644
--- a/SMBLibrary/SMB1/Commands/SMB1Command.cs
+++ b/SMBLibrary/SMB1/Commands/SMB1Command.cs
@@ -155,6 +155,8 @@ namespace SMBLibrary.SMB1
                     return new NTTransactSecondaryRequest(buffer, offset);
                 case CommandName.SMB_COM_NT_CREATE_ANDX:
                     return new NTCreateAndXRequest(buffer, offset, isUnicode);
+                case CommandName.SMB_COM_NT_CANCEL:
+                    return new NTCancelRequest(buffer, offset);
                 default:
                     throw new NotImplementedException("SMB Command 0x" + commandName.ToString("X"));
             }
diff --git a/SMBLibrary/SMB1/Enums/CommandName.cs b/SMBLibrary/SMB1/Enums/CommandName.cs
index a5775d9..591b586 100644
--- a/SMBLibrary/SMB1/Enums/CommandName.cs
+++ b/SMBLibrary/SMB1/Enums/CommandName.cs
@@ -35,6 +35,7 @@ namespace SMBLibrary.SMB1
         SMB_COM_NT_TRANSACT = 0xA0,
         SMB_COM_NT_TRANSACT_SECONDARY = 0xA1,
         SMB_COM_NT_CREATE_ANDX = 0xA2,
+        SMB_COM_NT_CANCEL = 0xA4,
         SMB_COM_NO_ANDX_COMMAND = 0xFF,
     }
 }
diff --git a/SMBLibrary/SMBLibrary.csproj b/SMBLibrary/SMBLibrary.csproj
index 98467e4..8a22625 100644
--- a/SMBLibrary/SMBLibrary.csproj
+++ b/SMBLibrary/SMBLibrary.csproj
@@ -289,6 +289,7 @@
     <Compile Include="SMB1\Commands\NegotiateResponse.cs" />
     <Compile Include="SMB1\Commands\NegotiateResponseExtended.cs" />
     <Compile Include="SMB1\Commands\NegotiateResponseNotSupported.cs" />
+    <Compile Include="SMB1\Commands\NTCancelRequest.cs" />
     <Compile Include="SMB1\Commands\NTCreateAndXRequest.cs" />
     <Compile Include="SMB1\Commands\NTCreateAndXResponse.cs" />
     <Compile Include="SMB1\Commands\NTCreateAndXResponseExtended.cs" />