/// <summary>
/// Deep copy constructor.
/// </summary>
public SmbTrans2FindFirst2RequestPacket(SmbTrans2FindFirst2RequestPacket packet)
: base(packet)
{
this.InitDefaultValue();
this.trans2Parameters.SearchAttributes = packet.trans2Parameters.SearchAttributes;
this.trans2Parameters.SearchCount = packet.trans2Parameters.SearchCount;
this.trans2Parameters.Flags = packet.trans2Parameters.Flags;
this.trans2Parameters.InformationLevel = packet.trans2Parameters.InformationLevel;
this.trans2Parameters.SearchStorageType = packet.trans2Parameters.SearchStorageType;
if (packet.trans2Parameters.FileName != null)
{
this.trans2Parameters.FileName = new byte[packet.trans2Parameters.FileName.Length];
Array.Copy(packet.trans2Parameters.FileName,
this.trans2Parameters.FileName, packet.trans2Parameters.FileName.Length);
}
else
{
this.trans2Parameters.FileName = new byte[0];
}
this.trans2Data.GetExtendedAttributeList.SizeOfListInBytes =
packet.trans2Data.GetExtendedAttributeList.SizeOfListInBytes;
if (packet.trans2Data.GetExtendedAttributeList.GEAList != null)
{
this.trans2Data.GetExtendedAttributeList.GEAList =
new SMB_GEA[packet.trans2Data.GetExtendedAttributeList.GEAList.Length];
Array.Copy(packet.trans2Data.GetExtendedAttributeList.GEAList,
this.trans2Data.GetExtendedAttributeList.GEAList,
packet.trans2Data.GetExtendedAttributeList.GEAList.Length);
}
else
{
this.trans2Data.GetExtendedAttributeList.GEAList = new SMB_GEA[0];
}
}
/// <summary>
/// Deep copy constructor.
/// </summary>
public SmbTrans2FindFirst2RequestPacket(SmbTrans2FindFirst2RequestPacket packet)
: base(packet)
{
this.InitDefaultValue();
this.trans2Parameters.SearchAttributes = packet.trans2Parameters.SearchAttributes;
this.trans2Parameters.SearchCount = packet.trans2Parameters.SearchCount;
this.trans2Parameters.Flags = packet.trans2Parameters.Flags;
this.trans2Parameters.InformationLevel = packet.trans2Parameters.InformationLevel;
this.trans2Parameters.SearchStorageType = packet.trans2Parameters.SearchStorageType;
if (packet.trans2Parameters.FileName != null)
{
this.trans2Parameters.FileName = new byte[packet.trans2Parameters.FileName.Length];
Array.Copy(packet.trans2Parameters.FileName,
this.trans2Parameters.FileName, packet.trans2Parameters.FileName.Length);
}
else
{
this.trans2Parameters.FileName = new byte[0];
}
this.trans2Data.GetExtendedAttributeList.SizeOfListInBytes =
packet.trans2Data.GetExtendedAttributeList.SizeOfListInBytes;
if (packet.trans2Data.GetExtendedAttributeList.GEAList != null)
{
this.trans2Data.GetExtendedAttributeList.GEAList =
new SMB_GEA[packet.trans2Data.GetExtendedAttributeList.GEAList.Length];
Array.Copy(packet.trans2Data.GetExtendedAttributeList.GEAList,
this.trans2Data.GetExtendedAttributeList.GEAList,
packet.trans2Data.GetExtendedAttributeList.GEAList.Length);
}
else
{
this.trans2Data.GetExtendedAttributeList.GEAList = new SMB_GEA[0];
}
}
/// <summary>
/// to create a Trans2FindFirst2 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="maxParameterCount">The maximum number of parameter bytes that the client will accept in the
/// transaction reply. The server MUST NOT return more than this number of parameter bytes.</param>
/// <param name="maxDataCount">The maximum number of data bytes that the client will accept in the transaction
/// reply. The server MUST NOT return more than this number of data bytes.</param>
/// <param name="maxSetupCount">Maximum number of setup bytes that the client will accept in the transaction
/// reply. The server MUST NOT return more than this number of setup bytes</param>
/// <param name="smbParametersFlags">A set of bit flags that alter the behavior of the requested operation.
/// Unused bit fields MUST be set to zero by the client sending the request, and MUST be ignored by the server
/// receiving the request. The client MAY set either or both of the following bit flags</param>
/// <param name="timeout">The number of milliseconds the server SHOULD wait for completion of the transaction
/// before generating a timeout. A value of zero indicates that the operation MUST NOT block.</param>
/// <param name="extendedAttributeList">A list of extended file attribute name/value pairs. </param>
/// <param name="searchCount">The server MUST NOT return more entries than indicated by the value of this
/// field.</param>
/// <param name="searchAttributes">File attributes to apply as a constraint to the file search.</param>
/// <param name="informationLevel">This field contains an information level code, which determines the
/// information contained in the response.</param>
/// <param name="searchStorageType">This field specifies if the find is searching for directories or for files.
/// This field MUST be one of two values</param>
/// <param name="name">A buffer containing the name of the file to be opened, created, or truncated. The
/// string MUST be null terminated</param>
/// <param name="findFlags">This 16-bit field of flags is used to request that the server take
/// certain actions.</param>
/// <returns>a Trans2FindFirst2 request packet</returns>
public SmbTrans2FindFirst2RequestPacket CreateTrans2FindFirst2Request(
ushort messageId,
ushort uid,
ushort treeId,
SmbFlags flags,
SmbFlags2 flags2,
ushort maxParameterCount,
ushort maxDataCount,
byte maxSetupCount,
Trans2SmbParametersFlags smbParametersFlags,
uint timeout,
SmbFileAttributes searchAttributes,
ushort searchCount,
Trans2FindFlags findFlags,
FindInformationLevel informationLevel,
Trans2FindFirst2SearchStorageType searchStorageType,
string name,
SMB_GEA[] extendedAttributeList)
{
if (name == null)
{
name = string.Empty;
}
if (extendedAttributeList == null)
{
extendedAttributeList = new SMB_GEA[0];
}
SmbTrans2FindFirst2RequestPacket packet = new SmbTrans2FindFirst2RequestPacket();
packet.SmbHeader = CifsMessageUtils.CreateSmbHeader(SmbCommand.SMB_COM_TRANSACTION2,
messageId, uid, treeId, flags, flags2);
// Set Smb_Parameters
SMB_COM_TRANSACTION2_Request_SMB_Parameters smbParameters =
new SMB_COM_TRANSACTION2_Request_SMB_Parameters();
smbParameters.MaxParameterCount = maxParameterCount;
smbParameters.MaxDataCount = maxDataCount;
smbParameters.MaxSetupCount = maxSetupCount;
smbParameters.Flags = (ushort)smbParametersFlags;
smbParameters.Timeout = timeout;
smbParameters.SetupCount = 1; // the correct count in word of the Setup is always 1.
smbParameters.Setup = new ushort[] { (ushort)Trans2SubCommand.TRANS2_FIND_FIRST2 };
smbParameters.WordCount = (byte)(CifsMessageUtils.GetSize<SMB_COM_TRANSACTION2_Request_SMB_Parameters>(
smbParameters) / NumBytesOfWord);
// Set Smb_Data
SMB_COM_TRANSACTION2_Request_SMB_Data smbData = new SMB_COM_TRANSACTION2_Request_SMB_Data();
smbData.Name = CifsMessageUtils.ToSmbStringBytes(name,
(flags2 & SmbFlags2.SMB_FLAGS2_UNICODE) == SmbFlags2.SMB_FLAGS2_UNICODE);
// The size of the preceding SmbParameters part plus Header part is an odd number for all cifs messages
// Use Name field to judge whether needs to add one 16-bits align pad.
if ((flags2 & SmbFlags2.SMB_FLAGS2_UNICODE) == SmbFlags2.SMB_FLAGS2_UNICODE && smbData.Name.Length
% twoBytesAlign == 0)
{
// pad 1 byte for 16-bits align:
smbData.Pad1 = new byte[1];
}
else
{
smbData.Pad1 = new byte[0];
}
// Set Trans2_Parameters
TRANS2_FIND_FIRST2_Request_Trans2_Parameters trans2Parameters =
new TRANS2_FIND_FIRST2_Request_Trans2_Parameters();
trans2Parameters.SearchAttributes = searchAttributes;
trans2Parameters.SearchCount = searchCount;
trans2Parameters.Flags = findFlags;
trans2Parameters.InformationLevel = informationLevel;
trans2Parameters.SearchStorageType = searchStorageType;
trans2Parameters.FileName = CifsMessageUtils.ToSmbStringBytes(name,
(flags2 & SmbFlags2.SMB_FLAGS2_UNICODE) == SmbFlags2.SMB_FLAGS2_UNICODE);
// Set Trans2_Data
TRANS2_FIND_FIRST2_Request_Trans2_Data trans2Data = new TRANS2_FIND_FIRST2_Request_Trans2_Data();
trans2Data.GetExtendedAttributeList.GEAList = extendedAttributeList;
trans2Data.GetExtendedAttributeList.SizeOfListInBytes =
(uint)CifsMessageUtils.GetSize<uint>(trans2Data.GetExtendedAttributeList.SizeOfListInBytes);
trans2Data.GetExtendedAttributeList.SizeOfListInBytes +=
CifsMessageUtils.GetSmbQueryEAListSize(extendedAttributeList);
packet.SmbParameters = smbParameters;
packet.SmbData = smbData;
packet.Trans2Parameters = trans2Parameters;
packet.Trans2Data = trans2Data;
packet.UpdateCountAndOffset();
return packet;
}
public SmbTrans2FindFirst2FinalResponsePacket CreateTrans2FindFirst2FinalResponse(
CifsServerPerConnection connection,
SmbTrans2FindFirst2RequestPacket request,
ushort endOfSearch,
Array findInformationLevel)
{
if (findInformationLevel != null &&
!CheckInformationLevel(request.Trans2Parameters.InformationLevel, findInformationLevel))
{
throw new InvalidCastException("The findInformationLevel must correspond with "
+ request.Trans2Parameters.InformationLevel);
}
SmbTrans2FindFirst2FinalResponsePacket response = new SmbTrans2FindFirst2FinalResponsePacket();
response.SmbHeader = CifsMessageUtils.CreateSmbHeader(connection, request);
TRANS2_FIND_FIRST2_Response_Trans2_Parameters trans2Parameters = response.Trans2Parameters;
trans2Parameters.SID = (ushort)connection.GenerateSID();
trans2Parameters.SearchCount = (ushort)(findInformationLevel != null ? findInformationLevel.Length : 0);
trans2Parameters.EndOfSearch = endOfSearch;
response.Trans2Parameters = trans2Parameters;
TRANS2_FIND_FIRST2_Response_Trans2_Data trans2Data = response.Trans2Data;
trans2Data.Data = findInformationLevel;
response.Trans2Data = trans2Data;
response.UpdateCountAndOffset();
return response;
}
