/// <summary>
/// Create TRANS2_QUERY_FS_INFORMATION Response
/// </summary>
/// <param name="connection">the connection identified the client</param>
/// <param name = "data">data specified by [CIFS] </param>
/// <returns>The SmbTrans2QueryFileInformationResponsePacket </returns>
/// <exception cref="ArgumentNullException">connection must not be null</exception>
public virtual SmbTrans2QueryFsInformationResponsePacket CreateTrans2QueryFsInformationResponse(
SmbServerConnection connection,
object data)
{
if (connection == null)
{
throw new ArgumentNullException("connection");
}
SmbTrans2QueryFsInformationResponsePacket packet = new SmbTrans2QueryFsInformationResponsePacket();
// 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 data
TRANS2_QUERY_FS_INFORMATION_Response_Trans2_Data trans2Data = packet.Trans2Data;
trans2Data.Data = data;
// store the parameters and data to packet.
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;
}
/// <summary>
/// get fscc query fs response, verify data
/// </summary>
/// <param name="qureryFsInformationFsccPacket">The trans2 query fs information response packet to be verified</param>
private void FSCCTrans2QueryFSInformationResponse(SmbTrans2QueryFsInformationResponsePacket
qureryFsInformationFsccPacket)
{
bool isPerUserQuotasUsed = Boolean.Parse(Site.Properties["IsPerUserQuotasUsedForFscc"]);
uint expectedTotalFreeAllocationUnits = uint.Parse(Site.Properties["ExpectedTotalFreeAllocationUnitsForFscc"]);
string typeOfFileSystem = Site.Properties["TypeOfFileSystemForFscc"];
switch (fsccQueryFSLevel)
{
case 0://FileFsVolumeInformation,
NamespaceFscc.FsccFileFsVolumeInformationResponsePacket fileFsVolumeInformationResponse
= new NamespaceFscc.FsccFileFsVolumeInformationResponsePacket();
fileFsVolumeInformationResponse.FromBytes(qureryFsInformationFsccPacket.SmbData.Trans2_Data);
NamespaceFscc.FileFsVolumeInformation fileFsVolumeInformation = fileFsVolumeInformationResponse.Payload;
uint volumeSerialNumber = uint.Parse(Site.Properties["VolumeSerialNumberForFSCC"]);
bool isSupportsOOFileSysObj = Boolean.Parse(Site.Properties["IsSupportsOOFileSysObj"]);
VerifyDataTypeFileFsVolumeInformationForOld(
fileFsVolumeInformation,
volumeSerialNumber,
isSupportsOOFileSysObj);
VerifyDataTypeFileFsVolumeInformation(fileFsVolumeInformation, typeOfFileSystem);
break;
case 1://FileFsSizeInformation,
NamespaceFscc.FsccFileFsSizeInformationResponsePacket fileFsSizeInformationResponse
= new NamespaceFscc.FsccFileFsSizeInformationResponsePacket();
fileFsSizeInformationResponse.FromBytes(qureryFsInformationFsccPacket.SmbData.Trans2_Data);
NamespaceFscc.FileFsSizeInformation fileFsSizeInformation = fileFsSizeInformationResponse.Payload;
uint sectorsPerAllocationUnit = uint.Parse(Site.Properties["SectorsPerAllocationUnitFprFSCC"]);
uint bytesPerSector = uint.Parse(Site.Properties["BytesPerSectorForFSCC"]);
VerifyDataTypeFileFsSizeInformation(
fileFsSizeInformation,
sectorsPerAllocationUnit,
bytesPerSector);
VerifyDataTypeFileFsSizeInformationField(
fileFsSizeInformation,
isPerUserQuotasUsed,
expectedTotalFreeAllocationUnits);
break;
case 2://FileFsDeviceInformation,
NamespaceFscc.FsccFileFsDeviceInformationResponsePacket fileFsDeviceInformationResponse
= new NamespaceFscc.FsccFileFsDeviceInformationResponsePacket();
fileFsDeviceInformationResponse.FromBytes(qureryFsInformationFsccPacket.SmbData.Trans2_Data);
NamespaceFscc.FileFsDeviceInformation fileFsDeviceInformation = fileFsDeviceInformationResponse.Payload;
VerifyDataTypeFileFsDeviceInformation(fileFsDeviceInformation);
break;
case 3://FileFsAttributeInformation,
NamespaceFscc.FsccFileFsAttributeInformationResponsePacket fileFsAttributeInformationResponse
= new NamespaceFscc.FsccFileFsAttributeInformationResponsePacket();
fileFsAttributeInformationResponse.FromBytes(qureryFsInformationFsccPacket.SmbData.Trans2_Data);
NamespaceFscc.FileFsAttributeInformation fileFsAttributeInformation
= fileFsAttributeInformationResponse.Payload;
int maximumFileNameComponentLength = int.Parse(Site.Properties["MaximumFileNameComponentLengthForFscc"]);
VerifyMessageSyntaxFileFsAttributeInformation(fileFsAttributeInformation, maximumFileNameComponentLength);
VerifyDataTypeFileFsAttributeInformation(fileFsAttributeInformation);
VerifyDataTypeFileFsAttributeInformationForOld(fileFsAttributeInformation);
break;
case 4://FileFsControlInformation,
NamespaceFscc.FsccFileFsControlInformationResponsePacket fileFsControlInformationResponse
= new NamespaceFscc.FsccFileFsControlInformationResponsePacket();
fileFsControlInformationResponse.FromBytes(qureryFsInformationFsccPacket.SmbData.Trans2_Data);
NamespaceFscc.FileFsControlInformation fileFsControlInformation = fileFsControlInformationResponse.Payload;
long defaultQuotaLimit = long.Parse(Site.Properties["DefaultQuotaLimitForFSCC"]);
VerifyDataTypeFileFsControlInformationForOld(
fileFsControlInformation,
defaultQuotaLimit);
long deaultPerUserDiskQuotaWarningThreshold
= long.Parse(Site.Properties["DeaultPerUserDiskQuotaWarningThresholdForFscc"]);
long minAmountOfFreeDiskSpaceForStartFiltering
= long.Parse(Site.Properties["MinAmountOfFreeDiskSpaceForStartFilteringForFscc"]);
long minAmountOfFreeDiskSpaceForStopFiltering
= long.Parse(Site.Properties["MinAmountOfFreeDiskSpaceForStopFilteringForFscc"]);
long minAmountOfFreeDiskSpaceForThreshold
= long.Parse(Site.Properties["MinAmountOfFreeDiskSpaceForThresholdForFscc"]);
VerifyMessageSyntaxFileFsControlInformation(
fileFsControlInformation,
deaultPerUserDiskQuotaWarningThreshold,
minAmountOfFreeDiskSpaceForStartFiltering,
minAmountOfFreeDiskSpaceForStopFiltering,
minAmountOfFreeDiskSpaceForThreshold);
VerifyDataTypeFileFsControlInformation(fileFsControlInformation);
break;
case 5: //FileFsFullSizeInformation,
NamespaceFscc.FsccFileFsFullSizeInformationResponsePacket fileFsFullSizeInformationResponse
= new NamespaceFscc.FsccFileFsFullSizeInformationResponsePacket();
fileFsFullSizeInformationResponse.FromBytes(qureryFsInformationFsccPacket.SmbData.Trans2_Data);
NamespaceFscc.FileFsFullSizeInformation fileFsFullSizeInformation
= fileFsFullSizeInformationResponse.Payload;
uint bytesPerSectorForFullSize = uint.Parse(Site.Properties["BytesPerSectorForFSCC"]);
VerifyDataTypeFileFsFullSizeInformation(
fileFsFullSizeInformation,
bytesPerSectorForFullSize);
VerifyDataTypeFileFsFullSizeInformationField(
fileFsFullSizeInformation,
isPerUserQuotasUsed,
expectedTotalFreeAllocationUnits);
break;
case 6://FileFsObjectIdInformation
NamespaceFscc.FsccFileFsObjectIdInformationResponsePacket fileFsObjectIdInformationResponse
= new NamespaceFscc.FsccFileFsObjectIdInformationResponsePacket();
fileFsObjectIdInformationResponse.FromBytes(qureryFsInformationFsccPacket.SmbData.Trans2_Data);
NamespaceFscc.FileFsObjectIdInformation fileFsObjectIdInformation
= fileFsObjectIdInformationResponse.Payload;
uint returnedStatusCode = uint.Parse(Site.Properties["ReturnedStatusCodeForFscc"]);
VerifyResponseForFileFsObjectIdInformationQuery(
fileFsObjectIdInformation,
returnedStatusCode,
typeOfFileSystem);
bool isNoExInfoWritten = Boolean.Parse(Site.Properties["IsNoExInfoWrittenForFSCC"]);
VerifyDataTypeFileFsObjectIdInformation(
fileFsObjectIdInformation,
isNoExInfoWritten);
break;
default:
break;
}
}
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);
}