/// <summary>
/// Execute a transacted exchange against a named pipe.
/// </summary>
/// <param name="timeout">The pending time to get server's response</param>
/// <param name="writeData">the written data to the named pipe</param>
/// <param name="readData">The read data from the named pipe</param>
/// <returns>
/// a uint value that specifies the status of response packet.
/// </returns>
/// <exception cref="System.InvalidOperationException">Thrown if there is any error occurred</exception>
public uint Transaction(TimeSpan timeout, byte[] writeData, out byte[] readData)
{
this.internalTimeout = timeout;
SmbTransTransactNmpipeRequestPacket request = smbClient.CreateTransTransactNamedPipeRequest(this.fid, TransSmbParametersFlags.NONE, writeData, smbClient.Capability.MaxDataCount);
if (this.isSignRequired)
{
request.Sign(this.NextSequenceNumber, this.sessionKey);
}
uint status = 0;
SmbTransTransactNmpipeResponsePacket response =
this.SendAndExpectSmbPacket(request, internalTimeout, out status) as SmbTransTransactNmpipeResponsePacket;
readData = ArrayUtility.SubArray <byte>(response.TransData.ReadData, 0);
return(SmbMessageUtils.CheckStatus(status));
}
/// <summary>
/// Create TRANS_TRANSACT_NMPIPE Response
/// </summary>
/// <param name="connection">the connection identified the client</param>
/// <param name = "data">The Data buffer that contains the data read from the named pipe </param>
/// <returns>The SmbTransTransactNmpipeResponsePacket </returns>
/// <exception cref="ArgumentNullException">connection must not be null</exception>
public virtual SmbTransTransactNmpipeResponsePacket CreateTransTransactNmpipeResponse(
SmbServerConnection connection,
byte[] data)
{
if (connection == null)
{
throw new ArgumentNullException("connection");
}
SmbTransTransactNmpipeResponsePacket packet = new SmbTransTransactNmpipeResponsePacket();
// get the request packet
SmbPacket request = connection.GetRequestPacket(connection.MessageId);
// create smb packet header
packet.SmbHeader = CifsMessageUtils.CreateSmbHeader(
SmbCommand.SMB_COM_TRANSACTION,
connection.ProcessId, connection.MessageId, request.SmbHeader.Uid, request.SmbHeader.Tid,
(SmbFlags)connection.Capability.Flag, (SmbFlags2)connection.Capability.Flags2);
// update smb parameters
SMB_COM_TRANSACTION_SuccessResponse_SMB_Parameters smbParameters = packet.SmbParameters;
smbParameters.Setup = new ushort[0];
smbParameters.WordCount = (byte)(CifsMessageUtils.GetSize<SMB_COM_TRANSACTION_SuccessResponse_SMB_Parameters>(
smbParameters) / SmbCapability.NUM_BYTES_OF_WORD);
// update smb data
SMB_COM_TRANSACTION_SuccessResponse_SMB_Data smbData = packet.SmbData;
// update trans data
TRANS_TRANSACT_NMPIPE_Response_Trans_Data transData = packet.TransData;
transData.ReadData = data;
// store the parameters and data to packet.
packet.TransData = transData;
packet.SmbParameters = smbParameters;
packet.SmbData = smbData;
packet.UpdateCountAndOffset();
return packet;
}
/// <summary>
/// createt the transactions packet
/// </summary>
/// <param name="request">the request packet</param>
/// <param name="smbHeader">the smb header of response packet</param>
/// <param name="channel">the channel contains the packet bytes</param>
/// <returns>the response packet</returns>
private SmbPacket CreateTransactionResponsePacket(SmbPacket request, SmbHeader smbHeader, Channel channel)
{
SmbPacket smbPacket = null;
if (smbHeader.Status == 0 && channel.Peek<byte>(0) == 0 && channel.Peek<ushort>(1) == 0)
{
return smbPacket;
}
SmbTransactionRequestPacket transactionRequest = request as SmbTransactionRequestPacket;
if (transactionRequest == null)
{
return smbPacket;
}
switch (smbClient.Capability.TransactionSubCommand)
{
case TransSubCommandExtended.TRANS_EXT_MAILSLOT_WRITE:
smbPacket = new SmbTransMailslotWriteResponsePacket();
break;
case TransSubCommandExtended.TRANS_EXT_RAP:
smbPacket = new SmbTransRapResponsePacket();
break;
default:
break;
}
// the packet is find
if (smbPacket != null)
{
return smbPacket;
}
// if no setup command. break
if (transactionRequest.SmbParameters.SetupCount == 0)
{
return smbPacket;
}
// decode packet using the setup command
switch ((TransSubCommand)transactionRequest.SmbParameters.Setup[0])
{
case TransSubCommand.TRANS_SET_NMPIPE_STATE:
smbPacket = new SmbTransSetNmpipeStateResponsePacket();
break;
case TransSubCommand.TRANS_QUERY_NMPIPE_STATE:
smbPacket = new SmbTransQueryNmpipeStateResponsePacket();
break;
case TransSubCommand.TRANS_RAW_READ_NMPIPE:
smbPacket = new SmbTransRawReadNmpipeResponsePacket();
break;
case TransSubCommand.TRANS_QUERY_NMPIPE_INFO:
smbPacket = new SmbTransQueryNmpipeInfoResponsePacket();
break;
case TransSubCommand.TRANS_PEEK_NMPIPE:
smbPacket = new SmbTransPeekNmpipeResponsePacket();
break;
case TransSubCommand.TRANS_TRANSACT_NMPIPE:
smbPacket = new SmbTransTransactNmpipeResponsePacket();
break;
case TransSubCommand.TRANS_READ_NMPIPE:
smbPacket = new SmbTransReadNmpipeResponsePacket();
break;
case TransSubCommand.TRANS_WRITE_NMPIPE:
smbPacket = new SmbTransWriteNmpipeResponsePacket();
break;
case TransSubCommand.TRANS_WAIT_NMPIPE:
smbPacket = new SmbTransWaitNmpipeResponsePacket();
break;
case TransSubCommand.TRANS_CALL_NMPIPE:
smbPacket = new SmbTransCallNmpipeResponsePacket();
break;
default:
break;
}
return smbPacket;
}
/// <summary>
/// createt the transactions packet
/// </summary>
/// <param name="request">the request packet</param>
/// <param name="smbHeader">the smb header of response packet</param>
/// <param name="channel">the channel contains the packet bytes</param>
/// <returns>the response packet</returns>
private SmbPacket CreateTransactionResponsePacket(SmbPacket request, SmbHeader smbHeader, Channel channel)
{
SmbPacket smbPacket = null;
if (smbHeader.Status == 0 && channel.Peek <byte>(0) == 0 && channel.Peek <ushort>(1) == 0)
{
return(smbPacket);
}
SmbTransactionRequestPacket transactionRequest = request as SmbTransactionRequestPacket;
if (transactionRequest == null)
{
return(smbPacket);
}
switch (smbClient.Capability.TransactionSubCommand)
{
case TransSubCommandExtended.TRANS_EXT_MAILSLOT_WRITE:
smbPacket = new SmbTransMailslotWriteResponsePacket();
break;
case TransSubCommandExtended.TRANS_EXT_RAP:
smbPacket = new SmbTransRapResponsePacket();
break;
default:
break;
}
// the packet is find
if (smbPacket != null)
{
return(smbPacket);
}
// if no setup command. break
if (transactionRequest.SmbParameters.SetupCount == 0)
{
return(smbPacket);
}
// decode packet using the setup command
switch ((TransSubCommand)transactionRequest.SmbParameters.Setup[0])
{
case TransSubCommand.TRANS_SET_NMPIPE_STATE:
smbPacket = new SmbTransSetNmpipeStateResponsePacket();
break;
case TransSubCommand.TRANS_QUERY_NMPIPE_STATE:
smbPacket = new SmbTransQueryNmpipeStateResponsePacket();
break;
case TransSubCommand.TRANS_RAW_READ_NMPIPE:
smbPacket = new SmbTransRawReadNmpipeResponsePacket();
break;
case TransSubCommand.TRANS_QUERY_NMPIPE_INFO:
smbPacket = new SmbTransQueryNmpipeInfoResponsePacket();
break;
case TransSubCommand.TRANS_PEEK_NMPIPE:
smbPacket = new SmbTransPeekNmpipeResponsePacket();
break;
case TransSubCommand.TRANS_TRANSACT_NMPIPE:
smbPacket = new SmbTransTransactNmpipeResponsePacket();
break;
case TransSubCommand.TRANS_READ_NMPIPE:
smbPacket = new SmbTransReadNmpipeResponsePacket();
break;
case TransSubCommand.TRANS_WRITE_NMPIPE:
smbPacket = new SmbTransWriteNmpipeResponsePacket();
break;
case TransSubCommand.TRANS_WAIT_NMPIPE:
smbPacket = new SmbTransWaitNmpipeResponsePacket();
break;
case TransSubCommand.TRANS_CALL_NMPIPE:
smbPacket = new SmbTransCallNmpipeResponsePacket();
break;
default:
break;
}
return(smbPacket);
}
/// <summary>
/// Deep copy constructor.
/// </summary>
public SmbTransTransactNmpipeResponsePacket(SmbTransTransactNmpipeResponsePacket packet)
: base(packet)
{
}
/// <summary>
/// Deep copy constructor.
/// </summary>
public SmbTransTransactNmpipeResponsePacket(SmbTransTransactNmpipeResponsePacket packet)
: base(packet)
{
}