/// <summary> /// Deep copy constructor. /// </summary> public SmbFindRequestPacket(SmbFindRequestPacket packet) : base(packet) { this.InitDefaultValue(); this.smbParameters.WordCount = packet.SmbParameters.WordCount; this.smbParameters.MaxCount = packet.SmbParameters.MaxCount; this.smbParameters.SearchAttributes = packet.SmbParameters.SearchAttributes; this.smbData.ByteCount = packet.SmbData.ByteCount; this.smbData.BufferFormat1 = packet.SmbData.BufferFormat1; if (packet.smbData.FileName != null) { this.smbData.FileName = new byte[packet.smbData.FileName.Length]; Array.Copy(packet.smbData.FileName, this.smbData.FileName, packet.smbData.FileName.Length); } else { this.smbData.FileName = new byte[0]; } this.smbData.BufferFormat2 = packet.SmbData.BufferFormat2; this.smbData.ResumeKeyLength = packet.SmbData.ResumeKeyLength; if (packet.smbData.ResumeKey != null) { this.smbData.ResumeKey = new SMB_Resume_Key[packet.smbData.ResumeKey.Length]; for (int i = 0; i < packet.smbData.ResumeKey.Length; i++) { this.smbData.ResumeKey[i] = new SMB_Resume_Key(); this.smbData.ResumeKey[i].Reserved = packet.SmbData.ResumeKey[i].Reserved; if (packet.smbData.ResumeKey[i].ServerState != null) { this.smbData.ResumeKey[i].ServerState = new byte[packet.smbData.ResumeKey[i].ServerState.Length]; Array.Copy(packet.smbData.ResumeKey[i].ServerState, this.smbData.ResumeKey[i].ServerState, packet.smbData.ResumeKey[i].ServerState.Length); } else { this.smbData.ResumeKey[i].ServerState = new byte[0]; } if (packet.smbData.ResumeKey[i].ClientState != null) { this.smbData.ResumeKey[i].ClientState = new byte[packet.smbData.ResumeKey[i].ClientState.Length]; Array.Copy(packet.smbData.ResumeKey[i].ClientState, this.smbData.ResumeKey[i].ClientState, packet.smbData.ResumeKey[i].ClientState.Length); } else { this.smbData.ResumeKey[i].ClientState = new byte[0]; } } } }
/// <summary> /// to create a Find 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="maxCount">The maximum number of directory entries to return</param> /// <param name="searchAttributes">ATTRIBUTES An attribute mask used to specify the standard attributes a file /// MUST have in order to match the search</param> /// <param name="fileName">null-terminated SMB_STRING. This is the full directory path (relative to the TID) of /// the file(s) being sought</param> /// <param name="resumeKey">The ResumeKey contains data used by both the client and the server to maintain the /// state of the search</param> /// <returns>a Find request packet</returns> public SmbFindRequestPacket CreateFindRequest( ushort messageId, ushort uid, ushort treeId, SmbFlags flags, SmbFlags2 flags2, ushort maxCount, SmbFileAttributes searchAttributes, string fileName, SMB_Resume_Key[] resumeKey) { if (fileName == null) { fileName = string.Empty; } if (resumeKey == null) { resumeKey = new SMB_Resume_Key[0]; } SmbFindRequestPacket packet = new SmbFindRequestPacket(); packet.SmbHeader = CifsMessageUtils.CreateSmbHeader(SmbCommand.SMB_COM_FIND, messageId, uid, treeId, flags, flags2); SMB_COM_FIND_Request_SMB_Parameters smbParameters = new SMB_COM_FIND_Request_SMB_Parameters(); smbParameters.MaxCount = maxCount; smbParameters.SearchAttributes = searchAttributes; smbParameters.WordCount = (byte)(Marshal.SizeOf(smbParameters) / NumBytesOfWord); SMB_COM_FIND_Request_SMB_Data smbData = new SMB_COM_FIND_Request_SMB_Data(); int resumeKeySize = 0; if (resumeKey.Length > 0) { resumeKeySize = CifsMessageUtils.GetSize<SMB_Resume_Key>(resumeKey[0]); } smbData.BufferFormat1 = (byte)DataBufferFormat.SmbString; smbData.FileName = CifsMessageUtils.ToSmbStringBytes(fileName, (flags2 & SmbFlags2.SMB_FLAGS2_UNICODE) == SmbFlags2.SMB_FLAGS2_UNICODE); smbData.BufferFormat2 = (byte)DataBufferFormat.VariableBlock; smbData.ResumeKeyLength = (ushort)resumeKeySize; smbData.ResumeKey = resumeKey; smbData.ByteCount = (ushort)(Marshal.SizeOf(smbData.BufferFormat1) + smbData.FileName.Length + Marshal.SizeOf(smbData.BufferFormat2) + Marshal.SizeOf(smbData.ResumeKeyLength) + smbData.ResumeKeyLength); packet.SmbParameters = smbParameters; packet.SmbData = smbData; return packet; }
public SmbFindResponsePacket CreateFindResponse( CifsServerPerConnection connection, SmbFindRequestPacket request, SMB_Directory_Information[] directoryInformationData) { directoryInformationData = directoryInformationData ?? new SMB_Directory_Information[0]; SmbFindResponsePacket response = new SmbFindResponsePacket(); response.SmbHeader = CifsMessageUtils.CreateSmbHeader(connection, request); SMB_COM_FIND_Response_SMB_Parameters smbParameters = response.SmbParameters; smbParameters.Count = (ushort)directoryInformationData.Length; smbParameters.WordCount = (byte)(TypeMarshal.GetBlockMemorySize(smbParameters) / 2); response.SmbParameters = smbParameters; ushort dataLength = 0; foreach (SMB_Directory_Information info in directoryInformationData) { dataLength += (ushort)TypeMarshal.GetBlockMemorySize(info); } SMB_COM_FIND_Response_SMB_Data smbData = response.SmbData; smbData.BufferFormat = 0x05; smbData.DirectoryInformationData = directoryInformationData; smbData.DataLength = dataLength; smbData.ByteCount = (ushort)(dataLength + 0x03); response.SmbData = smbData; return response; }