151 lines
3.8 KiB
C#
151 lines
3.8 KiB
C#
// This code is derived from jcifs smb client library <jcifs at samba dot org>
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// Ported by J. Arturo <webmaster at komodosoft dot net>
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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using System;
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namespace SharpCifs.Smb
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{
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internal class SmbComWriteAndX : AndXServerMessageBlock
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{
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private static readonly int ReadAndxBatchLimit = Config.GetInt("jcifs.smb.client.WriteAndX.ReadAndX"
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, 1);
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private static readonly int CloseBatchLimit = Config.GetInt("jcifs.smb.client.WriteAndX.Close"
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, 1);
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private int _fid;
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private int _remaining;
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private int _dataLength;
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private int _dataOffset;
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private int _off;
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private byte[] _b;
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private long _offset;
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private int _pad;
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internal int WriteMode;
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public SmbComWriteAndX() : base(null)
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{
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Command = SmbComWriteAndx;
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}
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internal SmbComWriteAndX(int fid, long offset, int remaining, byte[] b, int off,
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int len, ServerMessageBlock andx) : base(andx)
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{
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this._fid = fid;
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this._offset = offset;
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this._remaining = remaining;
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this._b = b;
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this._off = off;
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_dataLength = len;
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Command = SmbComWriteAndx;
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}
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internal virtual void SetParam(int fid, long offset, int remaining, byte[] b, int
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off, int len)
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{
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this._fid = fid;
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this._offset = offset;
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this._remaining = remaining;
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this._b = b;
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this._off = off;
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_dataLength = len;
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Digest = null;
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}
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internal override int GetBatchLimit(byte command)
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{
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if (command == SmbComReadAndx)
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{
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return ReadAndxBatchLimit;
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}
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if (command == SmbComClose)
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{
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return CloseBatchLimit;
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}
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return 0;
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}
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internal override int WriteParameterWordsWireFormat(byte[] dst, int dstIndex)
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{
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int start = dstIndex;
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_dataOffset = (dstIndex - HeaderStart) + 26;
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// 26 = off from here to pad
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_pad = (_dataOffset - HeaderStart) % 4;
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_pad = _pad == 0 ? 0 : 4 - _pad;
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_dataOffset += _pad;
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WriteInt2(_fid, dst, dstIndex);
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dstIndex += 2;
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WriteInt4(_offset, dst, dstIndex);
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dstIndex += 4;
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for (int i = 0; i < 4; i++)
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{
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dst[dstIndex++] = 0xFF;
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}
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WriteInt2(WriteMode, dst, dstIndex);
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dstIndex += 2;
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WriteInt2(_remaining, dst, dstIndex);
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dstIndex += 2;
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dst[dstIndex++] = 0x00;
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dst[dstIndex++] =0x00;
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WriteInt2(_dataLength, dst, dstIndex);
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dstIndex += 2;
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WriteInt2(_dataOffset, dst, dstIndex);
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dstIndex += 2;
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WriteInt4(_offset >> 32, dst, dstIndex);
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dstIndex += 4;
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return dstIndex - start;
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}
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internal override int WriteBytesWireFormat(byte[] dst, int dstIndex)
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{
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int start = dstIndex;
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while (_pad-- > 0)
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{
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dst[dstIndex++] = 0xEE;
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}
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Array.Copy(_b, _off, dst, dstIndex, _dataLength);
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dstIndex += _dataLength;
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return dstIndex - start;
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}
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internal override int ReadParameterWordsWireFormat(byte[] buffer, int bufferIndex
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)
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{
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return 0;
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}
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internal override int ReadBytesWireFormat(byte[] buffer, int bufferIndex)
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{
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return 0;
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}
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public override string ToString()
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{
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return "SmbComWriteAndX[" + base.ToString() + ",fid=" + _fid + ",offset="
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+ _offset + ",writeMode=" + WriteMode + ",remaining=" + _remaining + ",dataLength="
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+ _dataLength + ",dataOffset=" + _dataOffset + "]";
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}
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}
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}
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