/// <summary>
/// Create TRANS2_FIND_NEXT2 Response
/// </summary>
/// <param name="connection">the connection identified the client</param>
/// <param name = "searchCount">search count </param>
/// <param name = "isEndOfSearch">whether end of search </param>
/// <param name = "eaErrorOffset">eaError Offset </param>
/// <param name = "lastNameOffset">last name offset </param>
/// <param name = "data">data specified by [CIFS] </param>
/// <returns>The SmbTrans2FindNext2ResponsePacket </returns>
/// <exception cref="ArgumentNullException">connection must not be null</exception>
public virtual SmbTrans2FindNext2ResponsePacket CreateTrans2FindNext2Response(
SmbServerConnection connection,
ushort searchCount,
bool isEndOfSearch,
ushort eaErrorOffset,
ushort lastNameOffset,
object data)
{
if (connection == null)
{
throw new ArgumentNullException("connection");
}
SmbTrans2FindNext2ResponsePacket packet = new SmbTrans2FindNext2ResponsePacket();
// get the request packet
SmbPacket request = connection.GetRequestPacket(connection.MessageId);
// create smb packet header
packet.SmbHeader = CifsMessageUtils.CreateSmbHeader(
SmbCommand.SMB_COM_TRANSACTION2,
connection.ProcessId, connection.MessageId, request.SmbHeader.Uid, request.SmbHeader.Tid,
(SmbFlags)connection.Capability.Flag, (SmbFlags2)connection.Capability.Flags2);
// update smb parameters
SMB_COM_TRANSACTION2_FinalResponse_SMB_Parameters smbParameters = packet.SmbParameters;
smbParameters.Setup = new ushort[0];
smbParameters.WordCount = (byte)(CifsMessageUtils.GetSize<SMB_COM_TRANSACTION2_FinalResponse_SMB_Parameters>(
smbParameters) / SmbCapability.NUM_BYTES_OF_WORD);
// update smb data
SMB_COM_TRANSACTION2_FinalResponse_SMB_Data smbData = packet.SmbData;
// update trans2 param
TRANS2_FIND_NEXT2_Response_Trans2_Parameters trans2Parameters = packet.Trans2Parameters;
trans2Parameters.SearchCount = searchCount;
trans2Parameters.EndOfSearch = (ushort)(isEndOfSearch ? 1 : 0);
trans2Parameters.EaErrorOffset = eaErrorOffset;
trans2Parameters.LastNameOffset = lastNameOffset;
// update trans2 data
TRANS2_FIND_NEXT2_Response_Trans2_Data trans2Data = packet.Trans2Data;
trans2Data.Data = data;
// store the parameters and data to packet.
packet.Trans2Parameters = trans2Parameters;
packet.Trans2Data = trans2Data;
packet.SmbParameters = smbParameters;
packet.SmbData = smbData;
packet.UpdateCountAndOffset();
return packet;
}
private SmbPacket CreateTransaction2ResponsePacket(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);
}
SmbTransaction2RequestPacket transaction2Request = request as SmbTransaction2RequestPacket;
if (transaction2Request == null)
{
return(smbPacket);
}
// if no setup command. break
if (transaction2Request.SmbParameters.SetupCount == 0)
{
return(smbPacket);
}
// decode packet using the setup command
switch ((Trans2SubCommand)transaction2Request.SmbParameters.Setup[0])
{
case Trans2SubCommand.TRANS2_QUERY_FILE_INFORMATION:
SmbTrans2QueryFileInformationRequestPacket queryFileRequest =
transaction2Request as SmbTrans2QueryFileInformationRequestPacket;
if (queryFileRequest != null)
{
smbPacket = new SmbTrans2QueryFileInformationResponsePacket(
queryFileRequest.Trans2Parameters.InformationLevel);
}
break;
case Trans2SubCommand.TRANS2_QUERY_PATH_INFORMATION:
SmbTrans2QueryPathInformationRequestPacket queryPathRequest =
transaction2Request as SmbTrans2QueryPathInformationRequestPacket;
if (queryPathRequest != null)
{
smbPacket = new SmbTrans2QueryPathInformationResponsePacket(
queryPathRequest.Trans2Parameters.InformationLevel);
}
break;
case Trans2SubCommand.TRANS2_SET_FILE_INFORMATION:
smbPacket = new SmbTrans2SetFileInformationResponsePacket();
break;
case Trans2SubCommand.TRANS2_SET_PATH_INFORMATION:
smbPacket = new SmbTrans2SetPathInformationResponsePacket();
break;
case Trans2SubCommand.TRANS2_QUERY_FS_INFORMATION:
SmbTrans2QueryFsInformationRequestPacket queryFsRequest =
transaction2Request as SmbTrans2QueryFsInformationRequestPacket;
if (queryFsRequest != null)
{
smbPacket = new SmbTrans2QueryFsInformationResponsePacket(
queryFsRequest.Trans2Parameters.InformationLevel);
}
break;
case Trans2SubCommand.TRANS2_SET_FS_INFORMATION:
smbPacket = new SmbTrans2SetFsInformationResponsePacket();
break;
case Trans2SubCommand.TRANS2_FIND_FIRST2:
SmbTrans2FindFirst2RequestPacket first2Request =
transaction2Request as SmbTrans2FindFirst2RequestPacket;
if (first2Request != null)
{
smbPacket = new SmbTrans2FindFirst2ResponsePacket(first2Request.Trans2Parameters.InformationLevel,
(first2Request.Trans2Parameters.Flags & Trans2FindFlags.SMB_FIND_RETURN_RESUME_KEYS)
== Trans2FindFlags.SMB_FIND_RETURN_RESUME_KEYS);
}
break;
case Trans2SubCommand.TRANS2_FIND_NEXT2:
SmbTrans2FindNext2RequestPacket next2Request =
transaction2Request as SmbTrans2FindNext2RequestPacket;
if (next2Request != null)
{
smbPacket = new SmbTrans2FindNext2ResponsePacket(next2Request.Trans2Parameters.InformationLevel,
(next2Request.Trans2Parameters.Flags & Trans2FindFlags.SMB_FIND_RETURN_RESUME_KEYS)
== Trans2FindFlags.SMB_FIND_RETURN_RESUME_KEYS);
}
break;
case Trans2SubCommand.TRANS2_GET_DFS_REFERRAL:
smbPacket = new SmbTrans2GetDfsReferralResponsePacket();
break;
default:
break;
}
return(smbPacket);
}
private SmbPacket CreateTransaction2ResponsePacket(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;
}
SmbTransaction2RequestPacket transaction2Request = request as SmbTransaction2RequestPacket;
if (transaction2Request == null)
{
return smbPacket;
}
// if no setup command. break
if (transaction2Request.SmbParameters.SetupCount == 0)
{
return smbPacket;
}
// decode packet using the setup command
switch ((Trans2SubCommand)transaction2Request.SmbParameters.Setup[0])
{
case Trans2SubCommand.TRANS2_QUERY_FILE_INFORMATION:
SmbTrans2QueryFileInformationRequestPacket queryFileRequest =
transaction2Request as SmbTrans2QueryFileInformationRequestPacket;
if (queryFileRequest != null)
{
smbPacket = new SmbTrans2QueryFileInformationResponsePacket(
queryFileRequest.Trans2Parameters.InformationLevel);
}
break;
case Trans2SubCommand.TRANS2_QUERY_PATH_INFORMATION:
SmbTrans2QueryPathInformationRequestPacket queryPathRequest =
transaction2Request as SmbTrans2QueryPathInformationRequestPacket;
if (queryPathRequest != null)
{
smbPacket = new SmbTrans2QueryPathInformationResponsePacket(
queryPathRequest.Trans2Parameters.InformationLevel);
}
break;
case Trans2SubCommand.TRANS2_SET_FILE_INFORMATION:
smbPacket = new SmbTrans2SetFileInformationResponsePacket();
break;
case Trans2SubCommand.TRANS2_SET_PATH_INFORMATION:
smbPacket = new SmbTrans2SetPathInformationResponsePacket();
break;
case Trans2SubCommand.TRANS2_QUERY_FS_INFORMATION:
SmbTrans2QueryFsInformationRequestPacket queryFsRequest =
transaction2Request as SmbTrans2QueryFsInformationRequestPacket;
if (queryFsRequest != null)
{
smbPacket = new SmbTrans2QueryFsInformationResponsePacket(
queryFsRequest.Trans2Parameters.InformationLevel);
}
break;
case Trans2SubCommand.TRANS2_SET_FS_INFORMATION:
smbPacket = new SmbTrans2SetFsInformationResponsePacket();
break;
case Trans2SubCommand.TRANS2_FIND_FIRST2:
SmbTrans2FindFirst2RequestPacket first2Request =
transaction2Request as SmbTrans2FindFirst2RequestPacket;
if (first2Request != null)
{
smbPacket = new SmbTrans2FindFirst2ResponsePacket(first2Request.Trans2Parameters.InformationLevel,
(first2Request.Trans2Parameters.Flags & Trans2FindFlags.SMB_FIND_RETURN_RESUME_KEYS)
== Trans2FindFlags.SMB_FIND_RETURN_RESUME_KEYS);
}
break;
case Trans2SubCommand.TRANS2_FIND_NEXT2:
SmbTrans2FindNext2RequestPacket next2Request =
transaction2Request as SmbTrans2FindNext2RequestPacket;
if (next2Request != null)
{
smbPacket = new SmbTrans2FindNext2ResponsePacket(next2Request.Trans2Parameters.InformationLevel,
(next2Request.Trans2Parameters.Flags & Trans2FindFlags.SMB_FIND_RETURN_RESUME_KEYS)
== Trans2FindFlags.SMB_FIND_RETURN_RESUME_KEYS);
}
break;
case Trans2SubCommand.TRANS2_GET_DFS_REFERRAL:
smbPacket = new SmbTrans2GetDfsReferralResponsePacket();
break;
default:
break;
}
return smbPacket;
}
/// <summary>
/// Verify whether the two response are equal or not
/// </summary>
/// <param name="smbTrans2FindNext2ResponsePacket1"> The SmbTrans2FindNext2ResponsePacket For First</param>
/// <param name="smbTrans2FindNext2ResponsePacket2"> The SmbTrans2FindNext2ResponsePacket Response For Second</param>
private bool VerifySmbTrans2FindNext2ResponsePacket(
SmbTrans2FindNext2ResponsePacket smbTrans2FindNext2ResponsePacket1,
SmbTrans2FindNext2ResponsePacket smbTrans2FindNext2ResponsePacket2)
{
return (smbTrans2FindNext2ResponsePacket1.IsSignRequired == smbTrans2FindNext2ResponsePacket2.IsSignRequired)
&& CompareArrayEquals(
smbTrans2FindNext2ResponsePacket1.PacketBytes,
smbTrans2FindNext2ResponsePacket2.PacketBytes)
&& (smbTrans2FindNext2ResponsePacket1.PacketType ==
smbTrans2FindNext2ResponsePacket2.PacketType)
&& (smbTrans2FindNext2ResponsePacket1.SmbData.ByteCount ==
smbTrans2FindNext2ResponsePacket2.SmbData.ByteCount)
&& CompareArrayEquals(
smbTrans2FindNext2ResponsePacket1.SmbData.Pad1,
smbTrans2FindNext2ResponsePacket2.SmbData.Pad1)
&& CompareArrayEquals(
smbTrans2FindNext2ResponsePacket1.SmbData.Pad2,
smbTrans2FindNext2ResponsePacket2.SmbData.Pad2)
&& CompareArrayEquals(
smbTrans2FindNext2ResponsePacket1.SmbData.Trans2_Data,
smbTrans2FindNext2ResponsePacket2.SmbData.Trans2_Data)
&& CompareArrayEquals(
smbTrans2FindNext2ResponsePacket1.SmbData.Trans2_Parameters,
smbTrans2FindNext2ResponsePacket2.SmbData.Trans2_Parameters)
&& (smbTrans2FindNext2ResponsePacket1.SmbParameters.DataCount ==
smbTrans2FindNext2ResponsePacket2.SmbParameters.DataCount)
&& (smbTrans2FindNext2ResponsePacket1.SmbParameters.DataDisplacement ==
smbTrans2FindNext2ResponsePacket2.SmbParameters.DataDisplacement)
&& (smbTrans2FindNext2ResponsePacket1.SmbParameters.DataOffset ==
smbTrans2FindNext2ResponsePacket2.SmbParameters.DataOffset)
&& (smbTrans2FindNext2ResponsePacket1.SmbParameters.ParameterCount ==
smbTrans2FindNext2ResponsePacket2.SmbParameters.ParameterCount)
&& (smbTrans2FindNext2ResponsePacket1.SmbParameters.ParameterDisplacement ==
smbTrans2FindNext2ResponsePacket2.SmbParameters.ParameterDisplacement)
&& (smbTrans2FindNext2ResponsePacket1.SmbParameters.ParameterOffset ==
smbTrans2FindNext2ResponsePacket2.SmbParameters.ParameterOffset)
&& (smbTrans2FindNext2ResponsePacket1.SmbParameters.Reserved1 ==
smbTrans2FindNext2ResponsePacket2.SmbParameters.Reserved1)
&& (smbTrans2FindNext2ResponsePacket1.SmbParameters.Reserved2 ==
smbTrans2FindNext2ResponsePacket2.SmbParameters.Reserved2)
&& CompareArrayEquals(
smbTrans2FindNext2ResponsePacket1.SmbParameters.Setup,
smbTrans2FindNext2ResponsePacket2.SmbParameters.Setup)
&& (smbTrans2FindNext2ResponsePacket1.SmbParameters.SetupCount ==
smbTrans2FindNext2ResponsePacket2.SmbParameters.SetupCount)
&& (smbTrans2FindNext2ResponsePacket1.SmbParameters.TotalDataCount ==
smbTrans2FindNext2ResponsePacket2.SmbParameters.TotalDataCount)
&& (smbTrans2FindNext2ResponsePacket1.SmbParameters.TotalParameterCount ==
smbTrans2FindNext2ResponsePacket2.SmbParameters.TotalParameterCount)
&& (smbTrans2FindNext2ResponsePacket1.SmbParameters.WordCount ==
smbTrans2FindNext2ResponsePacket2.SmbParameters.WordCount);
}