/// <summary>
/// Deep copy constructor.
/// </summary>
public SmbIoctlRequestPacket(SmbIoctlRequestPacket packet)
: base(packet)
{
this.InitDefaultValue();
this.smbParameters.WordCount = packet.SmbParameters.WordCount;
this.smbParameters.FID = packet.SmbParameters.FID;
this.smbParameters.Category = packet.SmbParameters.Category;
this.smbParameters.Function = packet.SmbParameters.Function;
this.smbParameters.TotalParameterCount = packet.SmbParameters.TotalParameterCount;
this.smbParameters.TotalDataCount = packet.SmbParameters.TotalDataCount;
this.smbParameters.MaxParameterCount = packet.SmbParameters.MaxParameterCount;
this.smbParameters.MaxDataCount = packet.SmbParameters.MaxDataCount;
this.smbParameters.Timeout = packet.SmbParameters.Timeout;
this.smbParameters.Reserved = packet.SmbParameters.Reserved;
this.smbParameters.ParameterCount = packet.SmbParameters.ParameterCount;
this.smbParameters.ParameterOffset = packet.SmbParameters.ParameterOffset;
this.smbParameters.DataCount = packet.SmbParameters.DataCount;
this.smbParameters.DataOffset = packet.SmbParameters.DataOffset;
this.smbData.ByteCount = packet.SmbData.ByteCount;
if (packet.smbData.Pad1 != null)
{
this.smbData.Pad1 = new byte[packet.smbData.Pad1.Length];
Array.Copy(packet.smbData.Pad1, this.smbData.Pad1, packet.smbData.Pad1.Length);
}
if (packet.smbData.Parameters != null)
{
this.smbData.Parameters = new byte[packet.smbData.Parameters.Length];
Array.Copy(packet.smbData.Parameters, this.smbData.Parameters, packet.smbData.Parameters.Length);
}
if (packet.smbData.Pad2 != null)
{
this.smbData.Pad2 = new byte[packet.smbData.Pad2.Length];
Array.Copy(packet.smbData.Pad2, this.smbData.Pad2, packet.smbData.Pad2.Length);
}
if (packet.smbData.Data != null)
{
this.smbData.Data = new byte[packet.smbData.Data.Length];
Array.Copy(packet.smbData.Data, this.smbData.Data, packet.smbData.Data.Length);
}
}
/// <summary>
/// Deep copy constructor.
/// </summary>
public SmbIoctlRequestPacket(SmbIoctlRequestPacket packet)
: base(packet)
{
this.InitDefaultValue();
this.smbParameters.WordCount = packet.SmbParameters.WordCount;
this.smbParameters.FID = packet.SmbParameters.FID;
this.smbParameters.Category = packet.SmbParameters.Category;
this.smbParameters.Function = packet.SmbParameters.Function;
this.smbParameters.TotalParameterCount = packet.SmbParameters.TotalParameterCount;
this.smbParameters.TotalDataCount = packet.SmbParameters.TotalDataCount;
this.smbParameters.MaxParameterCount = packet.SmbParameters.MaxParameterCount;
this.smbParameters.MaxDataCount = packet.SmbParameters.MaxDataCount;
this.smbParameters.Timeout = packet.SmbParameters.Timeout;
this.smbParameters.Reserved = packet.SmbParameters.Reserved;
this.smbParameters.ParameterCount = packet.SmbParameters.ParameterCount;
this.smbParameters.ParameterOffset = packet.SmbParameters.ParameterOffset;
this.smbParameters.DataCount = packet.SmbParameters.DataCount;
this.smbParameters.DataOffset = packet.SmbParameters.DataOffset;
this.smbData.ByteCount = packet.SmbData.ByteCount;
if (packet.smbData.Pad1 != null)
{
this.smbData.Pad1 = new byte[packet.smbData.Pad1.Length];
Array.Copy(packet.smbData.Pad1, this.smbData.Pad1, packet.smbData.Pad1.Length);
}
if (packet.smbData.Parameters != null)
{
this.smbData.Parameters = new byte[packet.smbData.Parameters.Length];
Array.Copy(packet.smbData.Parameters, this.smbData.Parameters, packet.smbData.Parameters.Length);
}
if (packet.smbData.Pad2 != null)
{
this.smbData.Pad2 = new byte[packet.smbData.Pad2.Length];
Array.Copy(packet.smbData.Pad2, this.smbData.Pad2, packet.smbData.Pad2.Length);
}
if (packet.smbData.Data != null)
{
this.smbData.Data = new byte[packet.smbData.Data.Length];
Array.Copy(packet.smbData.Data, this.smbData.Data, packet.smbData.Data.Length);
}
}
/// <summary>
/// to create an Ioctl request packet.
/// </summary>
/// <param name="messageId">This field SHOULD be the multiplex ID that is used to associate a response with a
/// request.</param>
/// <param name="uid">This field SHOULD identify the authenticated instance of the user.</param>
/// <param name="treeId">This field identifies the subdirectory (or tree) on the server that the client is
/// accessing.</param>
/// <param name="flags">An 8-bit field of 1-bit flags describing various features in effect for the
/// message</param>
/// <param name="flags2">A 16-bit field of 1-bit flags that represent various features in effect for the
/// message. Unspecified bits are reserved and MUST be zero.</param>
/// <param name="fid">The Fid of the device or file to which the IOCTL is to be sent.</param>
/// <param name="category">The implementation dependent device category for the request.</param>
/// <param name="function">The implementation dependent device function for the request.</param>
/// <param name="maxParameterCount">The maximum number of SMB_Data.Parameters bytes that the client accepts in
/// the IOCTL response. The server MUST NOT return more than this number of bytes in the SMB_Data.Parameter
/// field of the response.</param>
/// <param name="maxDataCount">The maximum number of SMB_Data.Data bytes that the client accepts in the IOCTL
/// response. The server MUST NOT return more than this number of bytes in the SMB_Data.Data field.</param>
/// <param name="timeout"> the maximum number of milliseconds the server SHOULD wait for completion of the
/// transaction before generating a timeout and returning a response to the client. The client SHOULD set
/// this to 0 to indicate that no time-out is expected.</param>
/// <param name="parameters">IOCTL parameter bytes. The contents are implementation dependent.</param>
/// <param name="data">Transaction data bytes. The contents are implementation dependent.</param>
/// <returns>a Ioctl request packet</returns>
public SmbIoctlRequestPacket CreateIoctlRequest(
ushort messageId,
ushort uid,
ushort treeId,
SmbFlags flags,
SmbFlags2 flags2,
ushort fid,
IoctlCategory category,
IoctlFunction function,
ushort maxParameterCount,
ushort maxDataCount,
uint timeout,
byte[] parameters,
byte[] data)
{
if (parameters == null)
{
parameters = new byte[0];
}
if (data == null)
{
data = new byte[0];
}
SmbIoctlRequestPacket packet = new SmbIoctlRequestPacket();
packet.SmbHeader = CifsMessageUtils.CreateSmbHeader(SmbCommand.SMB_COM_IOCTL,
messageId, uid, treeId, flags, flags2);
SMB_COM_IOCTL_Request_SMB_Parameters smbParameters = new SMB_COM_IOCTL_Request_SMB_Parameters();
smbParameters.FID = fid;
smbParameters.Category = category;
smbParameters.Function = function;
smbParameters.MaxParameterCount = maxParameterCount;
smbParameters.TotalParameterCount = (ushort)parameters.Length;
smbParameters.ParameterCount = (ushort)parameters.Length;
smbParameters.ParameterOffset = 0;
smbParameters.MaxDataCount = maxDataCount;
smbParameters.TotalDataCount = (ushort)data.Length;
smbParameters.DataCount = (ushort)data.Length;
smbParameters.DataOffset = 0;
smbParameters.Timeout = timeout;
smbParameters.Reserved = 0;
smbParameters.WordCount = (byte)(Marshal.SizeOf(smbParameters) / NumBytesOfWord);
SMB_COM_IOCTL_Request_SMB_Data smbData = new SMB_COM_IOCTL_Request_SMB_Data();
// The size of the preceding SmbParameters part plus Header part is an odd number for all cifs messages
// If the format is Unicode, needs to add one 16 bits align pad
if ((flags2 & SmbFlags2.SMB_FLAGS2_UNICODE) == SmbFlags2.SMB_FLAGS2_UNICODE)
{
// pad 1 byte for 16-bits align:
smbData.Pad1 = new byte[1];
}
else
{
smbData.Pad1 = new byte[0];
}
smbData.Parameters = parameters;
// pad 1 byte for 16-bits align if need:
smbData.Pad2 = new byte[smbData.Parameters.Length % twoBytesAlign];
smbData.Data = data;
smbData.ByteCount = (ushort)(smbData.Pad1.Length + smbData.Parameters.Length
+ smbData.Pad2.Length + smbData.Data.Length);
smbParameters.ParameterOffset = (ushort)(Marshal.SizeOf(packet.SmbHeader) + Marshal.SizeOf(smbParameters)
+ Marshal.SizeOf(smbData.ByteCount) + smbData.Pad1.Length);
smbParameters.DataOffset = (ushort)(smbParameters.ParameterOffset + smbData.Parameters.Length
+ smbData.Pad2.Length);
packet.SmbParameters = smbParameters;
packet.SmbData = smbData;
return packet;
}
public SmbIoctlResponsePacket CreateIoctlResponse(
CifsServerPerConnection connection,
SmbIoctlRequestPacket request,
byte[] parameters,
byte[] data)
{
parameters = parameters ?? new byte[0];
data = data ?? new byte[0];
SmbIoctlResponsePacket response = new SmbIoctlResponsePacket();
response.SmbHeader = CifsMessageUtils.CreateSmbHeader(connection, request);
int pad1Offset = response.HeaderSize + Marshal.SizeOf(response.SmbParameters)
+ Marshal.SizeOf(response.SmbData.ByteCount);
SMB_COM_IOCTL_Response_SMB_Parameters smbParameters = response.SmbParameters;
smbParameters.TotalParameterCount = (ushort)parameters.Length;
smbParameters.ParameterCount = (ushort)parameters.Length;
smbParameters.TotalDataCount = (ushort)data.Length;
smbParameters.DataCount = (ushort)data.Length;
smbParameters.ParameterOffset = (ushort)((pad1Offset + 3) & ~3);
smbParameters.DataOffset = (ushort)((smbParameters.ParameterOffset + parameters.Length + 3) & ~3);
smbParameters.DataDisplacement = 0x0000;
smbParameters.WordCount = (byte)(TypeMarshal.GetBlockMemorySize(smbParameters) / 2);
response.SmbParameters = smbParameters;
SMB_COM_IOCTL_Response_SMB_Data smbData = response.SmbData;
smbData.Pad1 = new byte[response.SmbParameters.ParameterOffset - pad1Offset];
smbData.Parameters = parameters;
smbData.Pad2 = new byte[response.SmbParameters.DataOffset - response.SmbParameters.ParameterOffset
- parameters.Length];
smbData.Data = data;
smbData.ByteCount = (ushort)(response.SmbParameters.DataOffset - pad1Offset + data.Length);
response.SmbData = smbData;
return response;
}
