Exemplo n.º 1
0
        public static SetInformation GetSetInformation(byte[] buffer, SetInformationLevel informationLevel)
        {
            switch (informationLevel)
            {
            case SetInformationLevel.SMB_INFO_STANDARD:
                return(new SetInfoStandard(buffer));

            case SetInformationLevel.SMB_INFO_SET_EAS:
                return(new SetExtendedAttributes(buffer));

            case SetInformationLevel.SMB_SET_FILE_BASIC_INFO:
                return(new SetFileBasicInfo(buffer));

            case SetInformationLevel.SMB_SET_FILE_DISPOSITION_INFO:
                return(new SetFileDispositionInfo(buffer));

            case SetInformationLevel.SMB_SET_FILE_ALLOCATION_INFO:
                return(new SetFileAllocationInfo(buffer));

            case SetInformationLevel.SMB_SET_FILE_END_OF_FILE_INFO:
                return(new SetFileEndOfFileInfo(buffer));

            default:
                throw new UnsupportedInformationLevelException();
            }
        }
        public Transaction2SetFileInformationRequest(byte[] parameters, byte[] data, bool isUnicode) : base()
        {
            FID = LittleEndianConverter.ToUInt16(parameters, 0);
            InformationLevel = (SetInformationLevel)LittleEndianConverter.ToUInt16(parameters, 2);
            Reserved         = LittleEndianConverter.ToUInt16(parameters, 4);

            InformationBytes = data;
        }
Exemplo n.º 3
0
 public static SetInformation GetSetInformation(byte[] buffer, SetInformationLevel informationLevel)
 {
     return(informationLevel switch
     {
         SetInformationLevel.SMB_SET_FILE_BASIC_INFO => new SetFileBasicInfo(buffer),
         SetInformationLevel.SMB_SET_FILE_DISPOSITION_INFO => new SetFileDispositionInfo(buffer),
         SetInformationLevel.SMB_SET_FILE_ALLOCATION_INFO => new SetFileAllocationInfo(buffer),
         SetInformationLevel.SMB_SET_FILE_END_OF_FILE_INFO => new SetFileEndOfFileInfo(buffer),
         _ => throw new UnsupportedInformationLevelException()
     });
        /// <summary>
        /// Create Trans2SetPathInformation request for client to set the path information on server. 
        /// </summary>
        /// <param name = "messageId">the id of message, used to identity the request and the server response. </param>
        /// <param name = "sessionUid">the valid session id, must be response by server of the session setup request. </param>
        /// <param name = "treeId">the valid tree connect id, must be response by server of the tree connect. </param>
        /// <param name = "flags">
        /// The Flags field contains individual flags, as specified in [CIFS] sections 2.4.2 and 3.1.1. 
        /// </param>
        /// <param name = "flags2">
        /// The Flags2 field contains individual bit flags that, depending on the negotiated SMB dialect, indicate   
        /// various client and server capabilities. 
        /// </param>
        /// <param name = "fileName">The name of path to set the information on server. </param>
        /// <param name = "isUsePathThrough">
        /// Indicates that the client is requesting a native Microsoft Windows® NT operating system information level, 
        /// as specified in section 3.2.4.7 and in [MS-FSCC] section 2.4. 
        /// </param>
        /// <param name = "transactOptions">
        /// 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 maximum amount of time in milliseconds to wait for the operation to complete. The client SHOULD set  
        /// this to 0 to indicate that no time-out is given. If the operation does not complete within the specified  
        /// time, the server MAY abort the request and send a failure response. 
        /// </param>
        /// <param name = "informationLevel">
        /// Indicates that client specifies the information it is requesting. Server return different data based on 
        /// the client's request. 
        /// </param>
        /// <param name = "data">the information data to be set. </param>
        /// <returns>a set path information request packet </returns>
        private SmbTrans2SetPathInformationRequestPacket CreateTrans2SetPathInformationRequest(
            ushort messageId,
            ushort sessionUid,
            ushort treeId,
            SmbHeader_Flags_Values flags,
            SmbHeader_Flags2_Values flags2,
            string fileName,
            bool isUsePathThrough,
            Trans2SmbParametersFlags transactOptions,
            uint timeOut,
            SetInformationLevel informationLevel,
            byte[] data)
        {
            if (isUsePathThrough)
            {
                informationLevel = (SetInformationLevel)
                    (informationLevel + SmbCapability.CONST_SMB_INFO_PASSTHROUGH);
            }

            SmbTrans2SetPathInformationRequestPacket packet = new SmbTrans2SetPathInformationRequestPacket(
                this.cifsClient.CreateTrans2SetPathInformationRequest(
                messageId, sessionUid, treeId, (SmbFlags)flags, (SmbFlags2)flags2,
                this.capability.MaxParameterCount, this.capability.MaxDataCount, this.capability.MaxSetupCount,
                transactOptions, timeOut, informationLevel, fileName, data));

            packet.UpdateCountAndOffset();

            return packet;
        }
        /// <summary>
        /// Create Trans2SetPathInformation request for client to set the path information on server. 
        /// </summary>
        /// <param name = "treeId">the valid tree connect id, must be response by server of the tree connect. </param>
        /// <param name = "fileName">The name of path to set the information on server. </param>
        /// <param name = "transactOptions">
        /// 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 = "informationLevel">
        /// Indicates that client specifies the information it is requesting. Server return different data based on 
        /// the client's request. 
        /// </param>
        /// <param name = "isReparsePath">If true, the path in the request MUST contain an @GMT token. </param>
        /// <param name = "data">the information data to be set. </param>
        /// <returns>a set path information request packet </returns>
        public virtual SmbTrans2SetPathInformationRequestPacket CreateTrans2SetPathInformationRequest(
            ushort treeId,
            string fileName,
            Trans2SmbParametersFlags transactOptions,
            SetInformationLevel informationLevel,
            bool isReparsePath,
            byte[] data)
        {
            SmbHeader_Flags2_Values flags2 = this.capability.Flags2;
            // update flags2 of header
            if (isReparsePath)
            {
                flags2 |= SmbHeader_Flags2_Values.SMB_FLAGS2_REPARSE_PATH;
            }

            return CreateTrans2SetPathInformationRequest(
                this.MessageId, this.GetSessionIdByTreeId(treeId), treeId, this.capability.Flag,
                flags2, fileName, this.capability.IsUsePathThrough, transactOptions, this.capability.Timeout, informationLevel, data);
        }
 /// <summary>
 /// Create Trans2SetFileInformation request for client to set the file information on server. 
 /// </summary>
 /// <param name = "fileId">the valid file id to operation on, response by server. </param>
 /// <param name = "transactOptions">
 /// 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 = "informationLevel">
 /// Indicates that client specifies the information it is requesting. Server return different data based on 
 /// the client's request. 
 /// </param>
 /// <param name = "data">the information data to be set. </param>
 /// <returns>a set file information request packet </returns>
 public virtual SmbTrans2SetFileInformationRequestPacket CreateTrans2SetFileInformationRequest(
     ushort fileId,
     Trans2SmbParametersFlags transactOptions,
     SetInformationLevel informationLevel,
     byte[] data)
 {
     return CreateTrans2SetFileInformationRequest(
         this.MessageId,
         this.GetSessionIdByFileId(fileId), this.GetTreeIdByFileId(fileId), this.capability.Flag,
         this.capability.Flags2, fileId, transactOptions, this.capability.Timeout,
         this.capability.IsUsePathThrough, informationLevel, data);
 }
 /// <summary>
 /// to create a Trans2SetPathInformation request packet.
 /// </summary>
 /// <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="informationLevel">This field contains an information level code, which determines the
 /// information contained in the response.</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="data">the information data to be set.</param>
 /// <returns>a Trans2SetPathInformation request packet</returns>
 /// <exception cref="System.NullReferenceException">There is no connection in context. </exception>
 public SmbTrans2SetPathInformationRequestPacket CreateTrans2SetPathInformationRequest(
     ushort uid,
     ushort treeId,
     SetInformationLevel informationLevel,
     string name,
     Object data)
 {
     return this.CreateTrans2SetPathInformationRequest(this.Context.GetMessageId(this.connectionId),
         uid, treeId, this.defaultParameters.Flag, this.defaultParameters.Flag2, this.defaultParameters.MaxParameterCount,
         this.defaultParameters.MaxDataCount, this.defaultParameters.MaxSetupCount, this.defaultParameters.Trans2SmbParametersFlags,
         this.defaultParameters.Timeout, informationLevel, name, data);
 }
        /// <summary>
        /// to create a Trans2SetPathInformation 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="informationLevel">This field contains an information level code, which determines the
        /// information contained in the response.</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="data">the information data to be set.</param>
        /// <returns>a Trans2SetPathInformation request packet</returns>
        public SmbTrans2SetPathInformationRequestPacket CreateTrans2SetPathInformationRequest(
            ushort messageId,
            ushort uid,
            ushort treeId,
            SmbFlags flags,
            SmbFlags2 flags2,
            ushort maxParameterCount,
            ushort maxDataCount,
            byte maxSetupCount,
            Trans2SmbParametersFlags smbParametersFlags,
            uint timeout,
            SetInformationLevel informationLevel,
            string name,
            Object data)
        {
            if (name == null)
            {
                name = string.Empty;
            }

            SmbTrans2SetPathInformationRequestPacket packet = new SmbTrans2SetPathInformationRequestPacket();
            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_SET_PATH_INFORMATION };
            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);

            // Set Trans2_Parameters
            TRANS2_SET_PATH_INFORMATION_Request_Trans2_Parameters trans2Parameters =
                new TRANS2_SET_PATH_INFORMATION_Request_Trans2_Parameters();
            trans2Parameters.InformationLevel = informationLevel;
            trans2Parameters.FileName = 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_Data
            TRANS2_SET_PATH_INFORMATION_Request_Trans2_Data trans2Data =
                new TRANS2_SET_PATH_INFORMATION_Request_Trans2_Data();

            if (data != null)
            {
                if (data.GetType() == typeof(SMB_INFO_SET_EAS))
                {
                    SMB_INFO_SET_EAS info = (SMB_INFO_SET_EAS)data;

                    if (info.ExtendedAttributeList == null)
                    {
                        info.ExtendedAttributeList = new SMB_FEA[0];
                    }
                    info.SizeOfListInBytes = (uint)CifsMessageUtils.GetSize<uint>(info.SizeOfListInBytes);
                    info.SizeOfListInBytes += CifsMessageUtils.GetSmbEAListSize(info.ExtendedAttributeList);
                    data = info;
                }
                else if (data.GetType() == typeof(SMB_INFO_STANDARD_OF_TRANS2_SET_PATH_INFORMATION))
                {
                    SMB_INFO_STANDARD_OF_TRANS2_SET_PATH_INFORMATION info =
                        (SMB_INFO_STANDARD_OF_TRANS2_SET_PATH_INFORMATION)data;
                    {
                        // Reserved (10 bytes): MUST be set to zero when sent and MUST be ignored on receipt.
                        info.Reserved = new byte[10];
                        data = info;
                    }
                }
                else
                {
                    // Nothing needs to do.
                }
            }
            trans2Data.Data = data;

            packet.SmbParameters = smbParameters;
            packet.SmbData = smbData;
            packet.Trans2Parameters = trans2Parameters;
            packet.Trans2Data = trans2Data;
            packet.UpdateCountAndOffset();

            return packet;
        }
 public Transaction2SetPathInformationRequest(byte[] parameters, byte[] data, bool isUnicode) : base()
 {
     InformationLevel = (SetInformationLevel)LittleEndianConverter.ToUInt16(parameters, 0);
     Reserved         = LittleEndianConverter.ToUInt32(parameters, 2);
     FileName         = SMBHelper.ReadSMBString(parameters, 6, isUnicode);
 }