From 773d42375dbce1ae64af6fdf2dbb04ad611f94d0 Mon Sep 17 00:00:00 2001
From: Tal Aloni <tal.aloni.il@gmail.com>
Date: Sat, 6 Jul 2024 17:29:20 +0300
Subject: [PATCH] SMB2: CreateContext: Bugfix: Correct Name and Data offset
 write location

---
 SMBLibrary/SMB2/Structures/CreateContext.cs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/SMBLibrary/SMB2/Structures/CreateContext.cs b/SMBLibrary/SMB2/Structures/CreateContext.cs
index f0037c1..e071740 100644
--- a/SMBLibrary/SMB2/Structures/CreateContext.cs
+++ b/SMBLibrary/SMB2/Structures/CreateContext.cs
@@ -59,12 +59,12 @@ namespace SMBLibrary.SMB2
             NameLength = (ushort)Name.Length;
             if (Name.Length > 0)
             {
-                NameOffset = (ushort)FixedLength;
+                NameOffset = FixedLength;
             }
             LittleEndianWriter.WriteUInt16(buffer, offset + 4, NameOffset);
             LittleEndianWriter.WriteUInt16(buffer, offset + 6, NameLength);
             LittleEndianWriter.WriteUInt16(buffer, offset + 8, Reserved);
-            DataOffset = 0;
+            DataOffset = (ushort)(FixedLength + NameLength);
             DataLength = (uint)Data.Length;
             if (Data.Length > 0)
             {
@@ -72,8 +72,8 @@ namespace SMBLibrary.SMB2
                 DataOffset = (ushort)(FixedLength + paddedNameLength);
             }
             LittleEndianWriter.WriteUInt16(buffer, offset + 10, DataOffset);
-            ByteWriter.WriteAnsiString(buffer, NameOffset, Name);
-            ByteWriter.WriteBytes(buffer, DataOffset, Data);
+            ByteWriter.WriteAnsiString(buffer, offset + NameOffset, Name);
+            ByteWriter.WriteBytes(buffer, offset + DataOffset, Data);
         }
 
         public int Length