1 files changed, 150 insertions, 0 deletions
diff --git a/Emby.Server.Implementations/IO/SharpCifs/Smb/SmbComWriteAndX.cs b/Emby.Server.Implementations/IO/SharpCifs/Smb/SmbComWriteAndX.cs
new file mode 100644
index 000000000..b182fd7ff
--- /dev/null
+++ b/Emby.Server.Implementations/IO/SharpCifs/Smb/SmbComWriteAndX.cs
@@ -0,0 +1,150 @@
+// 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
+using System;
+
+namespace SharpCifs.Smb
+{
+	internal class SmbComWriteAndX : AndXServerMessageBlock
+	{
+		private static readonly int ReadAndxBatchLimit = Config.GetInt("jcifs.smb.client.WriteAndX.ReadAndX"
+			, 1);
+
+		private static readonly int CloseBatchLimit = Config.GetInt("jcifs.smb.client.WriteAndX.Close"
+			, 1);
+
+		private int _fid;
+
+		private int _remaining;
+
+		private int _dataLength;
+
+		private int _dataOffset;
+
+		private int _off;
+
+		private byte[] _b;
+
+		private long _offset;
+
+		private int _pad;
+
+		internal int WriteMode;
+
+		public SmbComWriteAndX() : base(null)
+		{
+			Command = SmbComWriteAndx;
+		}
+
+		internal SmbComWriteAndX(int fid, long offset, int remaining, byte[] b, int off, 
+			int len, ServerMessageBlock andx) : base(andx)
+		{
+			this._fid = fid;
+			this._offset = offset;
+			this._remaining = remaining;
+			this._b = b;
+			this._off = off;
+			_dataLength = len;
+			Command = SmbComWriteAndx;
+		}
+
+		internal virtual void SetParam(int fid, long offset, int remaining, byte[] b, int
+			 off, int len)
+		{
+			this._fid = fid;
+			this._offset = offset;
+			this._remaining = remaining;
+			this._b = b;
+			this._off = off;
+			_dataLength = len;
+			Digest = null;
+		}
+
+		internal override int GetBatchLimit(byte command)
+		{
+			if (command == SmbComReadAndx)
+			{
+				return ReadAndxBatchLimit;
+			}
+			if (command == SmbComClose)
+			{
+				return CloseBatchLimit;
+			}
+			return 0;
+		}
+
+		internal override int WriteParameterWordsWireFormat(byte[] dst, int dstIndex)
+		{
+			int start = dstIndex;
+			_dataOffset = (dstIndex - HeaderStart) + 26;
+			// 26 = off from here to pad
+			_pad = (_dataOffset - HeaderStart) % 4;
+			_pad = _pad == 0 ? 0 : 4 - _pad;
+			_dataOffset += _pad;
+			WriteInt2(_fid, dst, dstIndex);
+			dstIndex += 2;
+			WriteInt4(_offset, dst, dstIndex);
+			dstIndex += 4;
+			for (int i = 0; i < 4; i++)
+			{
+				dst[dstIndex++] = 0xFF;
+			}
+			WriteInt2(WriteMode, dst, dstIndex);
+			dstIndex += 2;
+			WriteInt2(_remaining, dst, dstIndex);
+			dstIndex += 2;
+			dst[dstIndex++] = 0x00;
+			dst[dstIndex++] =0x00;
+			WriteInt2(_dataLength, dst, dstIndex);
+			dstIndex += 2;
+			WriteInt2(_dataOffset, dst, dstIndex);
+			dstIndex += 2;
+			WriteInt4(_offset >> 32, dst, dstIndex);
+			dstIndex += 4;
+			return dstIndex - start;
+		}
+
+		internal override int WriteBytesWireFormat(byte[] dst, int dstIndex)
+		{
+			int start = dstIndex;
+			while (_pad-- > 0)
+			{
+				dst[dstIndex++] = 0xEE;
+			}
+			Array.Copy(_b, _off, dst, dstIndex, _dataLength);
+			dstIndex += _dataLength;
+			return dstIndex - start;
+		}
+
+		internal override int ReadParameterWordsWireFormat(byte[] buffer, int bufferIndex
+			)
+		{
+			return 0;
+		}
+
+		internal override int ReadBytesWireFormat(byte[] buffer, int bufferIndex)
+		{
+			return 0;
+		}
+
+		public override string ToString()
+		{
+			return "SmbComWriteAndX[" + base.ToString() + ",fid=" + _fid + ",offset="
+				 + _offset + ",writeMode=" + WriteMode + ",remaining=" + _remaining + ",dataLength="
+				 + _dataLength + ",dataOffset=" + _dataOffset + "]";
+		}
+	}
+}