/// <summary>
/// to decode the Trans2 data: from the general Trans2Dada to the concrete Trans2 Data.
/// </summary>
protected override void DecodeTrans2Data()
{
if (this.smbData.Trans2_Data != null && this.smbData.Trans2_Data.Length > 0)
{
switch (this.trans2Parameters.InformationLevel)
{
case SetInformationLevel.SMB_INFO_STANDARD:
this.trans2Data.Data = CifsMessageUtils.ToStuct
<SMB_INFO_STANDARD_OF_TRANS2_SET_PATH_INFORMATION>(this.smbData.Trans2_Data);
break;
case SetInformationLevel.SMB_INFO_SET_EAS:
using (MemoryStream memoryStream = new MemoryStream(this.smbData.Trans2_Data))
{
using (Channel channel = new Channel(null, memoryStream))
{
SMB_INFO_SET_EAS data = new SMB_INFO_SET_EAS();
data.SizeOfListInBytes = channel.Read <uint>();
uint sizeOfListInBytes = data.SizeOfListInBytes - sizeOfListInBytesLength;
List <SMB_FEA> attributeList = new List <SMB_FEA>();
while (sizeOfListInBytes > 0)
{
SMB_FEA smbEa = channel.Read <SMB_FEA>();
attributeList.Add(smbEa);
sizeOfListInBytes -= (uint)(EA.SMB_EA_FIXED_SIZE + smbEa.AttributeName.Length +
smbEa.ValueName.Length);
}
data.ExtendedAttributeList = attributeList.ToArray();
this.trans2Data.Data = data;
}
}
break;
case SetInformationLevel.SMB_SET_FILE_BASIC_INFO:
this.trans2Data.Data = CifsMessageUtils.ToStuct
<SMB_SET_FILE_BASIC_INFO>(this.smbData.Trans2_Data);
break;
case SetInformationLevel.SMB_SET_FILE_ALLOCATION_INFO:
this.trans2Data.Data = CifsMessageUtils.ToStuct
<SMB_SET_FILE_ALLOCATION_INFO>(this.smbData.Trans2_Data);
break;
case SetInformationLevel.SMB_SET_FILE_DISPOSITION_INFO:
this.trans2Data.Data = CifsMessageUtils.ToStuct
<SMB_SET_FILE_DISPOSITION_INFO>(this.smbData.Trans2_Data);
break;
case SetInformationLevel.SMB_SET_FILE_END_OF_FILE_INFO:
this.trans2Data.Data = CifsMessageUtils.ToStuct
<SMB_SET_FILE_END_OF_FILE_INFO>(this.smbData.Trans2_Data);
break;
}
}
}
/// <summary>
/// Encode the struct of Trans2Data into the byte array in SmbData.Trans2_Data
/// </summary>
protected override void EncodeTrans2Data()
{
if (this.trans2Data.Data != null)
{
Type type = this.trans2Data.Data.GetType();
if (type == typeof(SMB_INFO_STANDARD_OF_TRANS2_SET_PATH_INFORMATION))
{
this.smbData.Trans2_Data = CifsMessageUtils.ToBytes
<SMB_INFO_STANDARD_OF_TRANS2_SET_PATH_INFORMATION>(
(SMB_INFO_STANDARD_OF_TRANS2_SET_PATH_INFORMATION)this.trans2Data.Data);
}
else if (type == typeof(SMB_INFO_SET_EAS))
{
SMB_INFO_SET_EAS data = (SMB_INFO_SET_EAS)this.trans2Data.Data;
this.smbData.Trans2_Data = new byte[sizeOfListInBytesLength + CifsMessageUtils.GetSmbEAListSize(
data.ExtendedAttributeList)];
using (MemoryStream memoryStream = new MemoryStream(this.smbData.Trans2_Data))
{
using (Channel channel = new Channel(null, memoryStream))
{
channel.BeginWriteGroup();
channel.Write <uint>(data.SizeOfListInBytes);
if (data.ExtendedAttributeList != null)
{
foreach (SMB_FEA smbEa in data.ExtendedAttributeList)
{
channel.Write <byte>(smbEa.ExtendedAttributeFlag);
channel.Write <byte>(smbEa.AttributeNameLengthInBytes);
channel.Write <ushort>(smbEa.ValueNameLengthInBytes);
if (smbEa.AttributeName != null)
{
channel.WriteBytes(smbEa.AttributeName);
}
if (smbEa.ValueName != null)
{
channel.WriteBytes(smbEa.ValueName);
}
}
}
channel.EndWriteGroup();
}
}
}
else
{
// Branch for negative testing.
}
}
else
{
this.smbData.Trans2_Data = new byte[0];
}
}