1 files changed, 93 insertions, 0 deletions
diff --git a/Emby.Server.Implementations/IO/SharpCifs/Smb/SmbComNtTransaction.cs b/Emby.Server.Implementations/IO/SharpCifs/Smb/SmbComNtTransaction.cs
new file mode 100644
index 0000000000..b5d2cf947e
--- /dev/null
+++ b/Emby.Server.Implementations/IO/SharpCifs/Smb/SmbComNtTransaction.cs
@@ -0,0 +1,93 @@
+// This code is derived from jcifs smb client library <jcifs at samba dot org>
+// Ported by J. Arturo <webmaster at komodosoft dot net>
+//  
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+// 
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+// 
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+namespace SharpCifs.Smb
+{
+	internal abstract class SmbComNtTransaction : SmbComTransaction
+	{
+		private const int NttPrimarySetupOffset = 69;
+
+		private const int NttSecondaryParameterOffset = 51;
+
+		internal const int NtTransactQuerySecurityDesc = 6;
+
+		internal int Function;
+
+		public SmbComNtTransaction()
+		{
+			// relative to headerStart
+			primarySetupOffset = NttPrimarySetupOffset;
+			secondaryParameterOffset = NttSecondaryParameterOffset;
+		}
+
+		internal override int WriteParameterWordsWireFormat(byte[] dst, int dstIndex)
+		{
+			int start = dstIndex;
+			if (Command != SmbComNtTransactSecondary)
+			{
+				dst[dstIndex++] = MaxSetupCount;
+			}
+			else
+			{
+				dst[dstIndex++] = unchecked(unchecked(0x00));
+			}
+			// Reserved
+			dst[dstIndex++] = unchecked(unchecked(0x00));
+			// Reserved
+			dst[dstIndex++] = unchecked(unchecked(0x00));
+			// Reserved
+			WriteInt4(TotalParameterCount, dst, dstIndex);
+			dstIndex += 4;
+			WriteInt4(TotalDataCount, dst, dstIndex);
+			dstIndex += 4;
+			if (Command != SmbComNtTransactSecondary)
+			{
+				WriteInt4(MaxParameterCount, dst, dstIndex);
+				dstIndex += 4;
+				WriteInt4(MaxDataCount, dst, dstIndex);
+				dstIndex += 4;
+			}
+			WriteInt4(ParameterCount, dst, dstIndex);
+			dstIndex += 4;
+			WriteInt4((ParameterCount == 0 ? 0 : ParameterOffset), dst, dstIndex);
+			dstIndex += 4;
+			if (Command == SmbComNtTransactSecondary)
+			{
+				WriteInt4(ParameterDisplacement, dst, dstIndex);
+				dstIndex += 4;
+			}
+			WriteInt4(DataCount, dst, dstIndex);
+			dstIndex += 4;
+			WriteInt4((DataCount == 0 ? 0 : DataOffset), dst, dstIndex);
+			dstIndex += 4;
+			if (Command == SmbComNtTransactSecondary)
+			{
+				WriteInt4(DataDisplacement, dst, dstIndex);
+				dstIndex += 4;
+				dst[dstIndex++] = unchecked(unchecked(0x00));
+			}
+			else
+			{
+				// Reserved1
+				dst[dstIndex++] = unchecked((byte)SetupCount);
+				WriteInt2(Function, dst, dstIndex);
+				dstIndex += 2;
+				dstIndex += WriteSetupWireFormat(dst, dstIndex);
+			}
+			return dstIndex - start;
+		}
+	}
+}