/// <summary>
/// Deep copy constructor.
/// </summary>
public SmbEchoRequestPacket(SmbEchoRequestPacket packet)
: base(packet)
{
this.InitDefaultValue();
this.smbParameters.WordCount = packet.SmbParameters.WordCount;
this.smbParameters.EchoCount = packet.SmbParameters.EchoCount;
this.smbData.ByteCount = packet.SmbData.ByteCount;
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);
}
else
{
this.smbData.Data = new byte[0];
}
}
/// <summary>
/// Deep copy constructor.
/// </summary>
public SmbEchoRequestPacket(SmbEchoRequestPacket packet)
: base(packet)
{
this.InitDefaultValue();
this.smbParameters.WordCount = packet.SmbParameters.WordCount;
this.smbParameters.EchoCount = packet.SmbParameters.EchoCount;
this.smbData.ByteCount = packet.SmbData.ByteCount;
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);
}
else
{
this.smbData.Data = new byte[0];
}
}
/// <summary>
/// to create an Echo 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="echoCount">The number of times the server SHOULD echo the contents of the SMB_Data.Data
/// field</param>
/// <param name="data">Data to echo. The value does not matter</param>
/// <returns>a Echo request packet</returns>
public SmbEchoRequestPacket CreateEchoRequest(
ushort messageId,
ushort uid,
ushort treeId,
SmbFlags flags,
SmbFlags2 flags2,
ushort echoCount,
byte[] data)
{
if (data == null)
{
data = new byte[0];
}
SmbEchoRequestPacket packet = new SmbEchoRequestPacket();
packet.SmbHeader = CifsMessageUtils.CreateSmbHeader(SmbCommand.SMB_COM_ECHO,
messageId, uid, treeId, flags, flags2);
SMB_COM_ECHO_Request_SMB_Parameters smbParameters = new SMB_COM_ECHO_Request_SMB_Parameters();
smbParameters.EchoCount = echoCount;
smbParameters.WordCount = (byte)(Marshal.SizeOf(smbParameters) / NumBytesOfWord);
SMB_COM_ECHO_Request_SMB_Data smbData = new SMB_COM_ECHO_Request_SMB_Data();
smbData.Data = data;
smbData.ByteCount = (ushort)data.Length;
packet.SmbParameters = smbParameters;
packet.SmbData = smbData;
return packet;
}
public SmbEchoResponsePacket CreateEchoResponse(
CifsServerPerConnection connection,
SmbEchoRequestPacket request)
{
SmbEchoResponsePacket response = new SmbEchoResponsePacket();
response.SmbHeader = CifsMessageUtils.CreateSmbHeader(connection, request);
SMB_COM_ECHO_Response_SMB_Parameters smbParameters = response.SmbParameters;
smbParameters.WordCount = 0x01;
//The SMB_Parameters.Words.SequenceNumber field MUST be set to 1.(3.3.5.32)
smbParameters.SequenceNumber = 0x01;
response.SmbParameters = smbParameters;
SMB_COM_ECHO_Response_SMB_Data smbData = response.SmbData;
smbData.ByteCount = request.SmbData.ByteCount;
smbData.Data = request.SmbData.Data;
response.SmbData = smbData;
return response;
}
