Exemple #1
0
        private FwPacket ProcessNextFwPacket(BinaryReaderEndian packetReader)
        {
            FwPacket packet = new FwPacket();

            try
            {
                // Seek to next packet start
                while (true)
                {
                    if (packetReader.ReadByte() == 0x00)
                    {
                        byte tableId = packetReader.ReadByte();
                        if (tableId == 0xB5 || tableId == 0xB6)
                        {
                            packetReader.BaseStream.Seek(-2, SeekOrigin.Current);
                            break;
                        }
                        else
                        {
                            packetReader.BaseStream.Seek(-1, SeekOrigin.Current);
                        }
                    }
                }

                long startPos = packetReader.BaseStream.Position;

                // Skip over table id
                packetReader.ReadInt16();
                packet.Length      = (ushort)(packetReader.ReadUInt16() & 0x0FFF);
                packet.SectionType = packetReader.ReadUInt16();
                packet.Unknown     = packetReader.ReadUInt32();
                packet.VendorId    = packetReader.ReadByte();
                packetReader.ReadByte();
                packet.ModelId = packetReader.ReadByte();
                packetReader.BaseStream.Seek(3, SeekOrigin.Current);
                packet.FirmwareVersion = packetReader.ReadByte();
                packet.FileOffset      = packetReader.ReadUInt32();
                packet.FileLength      = packetReader.ReadUInt32();

                packet.Data  = packetReader.ReadBytes(packet.Length - 25);
                packet.Crc32 = packetReader.ReadUInt32();

                packetReader.BaseStream.Seek(startPos + 1, SeekOrigin.Begin);
                byte[] wholePacket = packetReader.ReadBytes(packet.Length + 3);

                packet.hasPassedCRC = (Crc32.crc32_mpeg(wholePacket, (uint)wholePacket.Length) == 0);
            }
            catch (EndOfStreamException ex)
            {
                throw ex;
            }
            catch (Exception)
            {
                packet.hasPassedCRC = false;
            }

            return(packet);
        }
Exemple #2
0
        public bool AddPacket(FwPacket firmwarePacket)
        {
            if (VendorId == firmwarePacket.VendorId && ModelId == firmwarePacket.ModelId &&
                firmwarePacket.hasPassedCRC && firmwarePacket.SectionType == 1 && !isComplete)
            {
                if (firmwarePacket.Data.Length != BlockSize)
                {
                    //Console.WriteLine("Blocksize differs! At offset: 0x{0:X2}", firmwarePacket.FileOffset);
                }

                if (!CompletedOffsets.Contains(firmwarePacket.FileOffset))
                {
                    FirmwareStream.Seek(firmwarePacket.FileOffset, SeekOrigin.Begin);
                    FirmwareStream.Write(firmwarePacket.Data, 0, firmwarePacket.Data.Length);
                    BytesCompleted += (uint)firmwarePacket.Data.Length;

                    CompletedOffsets.Add(firmwarePacket.FileOffset);

                    if (BytesCompleted >= FileSize)
                    {
                        FirmwareStream.Close();
                        DirectoryInfo fwDir = Directory.CreateDirectory(Path.Combine(SaveDirectory, BaseName));

                        File.Move(Path.Combine(SaveDirectory, string.Format("{0}.tmp", BaseName)), Path.Combine(fwDir.FullName, FileName));
                        isComplete = true;

                        FwCreateDate = DateTime.Now;
                        File.WriteAllText(Path.Combine(fwDir.FullName, "date_stamp.txt"), FwCreateDate.Ticks.ToString());


                        Extractors.IFirmwareExtractor currentExtractor;
                        if ((currentExtractor = Extractor) != null)
                        {
                            try
                            {
                                currentExtractor.ExtractParts(Path.Combine(fwDir.FullName, FileName));
                                GetVersion();
                            }
                            catch (Exception ex)
                            {
                                Logger.AddLogItem("Error extracting firmware!", "FirmwareFile", LogLevels.Warning, ex);
                            }
                        }
                    }
                }
                return(true);
            }
            else
            {
                return(false);
            }
        }
        public FirmwareFile(FwPacket firmwarePacket, string saveDirectory)
        {
            VendorId = firmwarePacket.VendorId;
            ModelId = firmwarePacket.ModelId;
            FileSize = firmwarePacket.FileLength;
            BlockSize = (uint)firmwarePacket.Data.Length;
            VersionId = firmwarePacket.FirmwareVersion;
            BytesCompleted = 0;
            isComplete = false;
            SaveDirectory = saveDirectory;

            CompletedOffsets = new HashSet<uint>();

            FirmwareStream = File.Create(Path.Combine(SaveDirectory, string.Format("{0}.tmp", BaseName)));

            SetExtractorList();

            AddPacket(firmwarePacket);
        }
Exemple #4
0
        public FirmwareFile(FwPacket firmwarePacket, string saveDirectory)
        {
            VendorId       = firmwarePacket.VendorId;
            ModelId        = firmwarePacket.ModelId;
            FileSize       = firmwarePacket.FileLength;
            BlockSize      = (uint)firmwarePacket.Data.Length;
            VersionId      = firmwarePacket.FirmwareVersion;
            BytesCompleted = 0;
            isComplete     = false;
            SaveDirectory  = saveDirectory;

            CompletedOffsets = new HashSet <uint>();

            FirmwareStream = File.Create(Path.Combine(SaveDirectory, string.Format("{0}.tmp", BaseName)));

            SetExtractorList();

            AddPacket(firmwarePacket);
        }
        public bool AddPacket(FwPacket firmwarePacket)
        {
            if (VendorId == firmwarePacket.VendorId && ModelId == firmwarePacket.ModelId
                && firmwarePacket.hasPassedCRC && firmwarePacket.SectionType == 1 && !isComplete)
            {
                if (firmwarePacket.Data.Length != BlockSize)
                {
                    //Console.WriteLine("Blocksize differs! At offset: 0x{0:X2}", firmwarePacket.FileOffset);
                }

                if (!CompletedOffsets.Contains(firmwarePacket.FileOffset))
                {
                    FirmwareStream.Seek(firmwarePacket.FileOffset, SeekOrigin.Begin);
                    FirmwareStream.Write(firmwarePacket.Data, 0, firmwarePacket.Data.Length);
                    BytesCompleted += (uint)firmwarePacket.Data.Length;

                    CompletedOffsets.Add(firmwarePacket.FileOffset);

                    if (BytesCompleted >= FileSize)
                    {
                        FirmwareStream.Close();
                        DirectoryInfo fwDir = Directory.CreateDirectory(Path.Combine(SaveDirectory, BaseName));

                        File.Move(Path.Combine(SaveDirectory, string.Format("{0}.tmp", BaseName)), Path.Combine(fwDir.FullName, FileName));
                        isComplete = true;

                        FwCreateDate = DateTime.Now;
                        File.WriteAllText(Path.Combine(fwDir.FullName, "date_stamp.txt"), FwCreateDate.Ticks.ToString());

                        Extractors.IFirmwareExtractor currentExtractor;
                        if ((currentExtractor = Extractor) != null)
                        {
                            try
                            {
                                currentExtractor.ExtractParts(Path.Combine(fwDir.FullName, FileName));
                                GetVersion();
                            }
                            catch (Exception ex)
                            {
                                Logger.AddLogItem("Error extracting firmware!", "FirmwareFile", LogLevels.Warning, ex);
                            }
                        }
                    }
                }
                return true;
            }
            else
            {
                return false;
            }
        }
        private FwPacket ProcessNextFwPacket(BinaryReaderEndian packetReader)
        {
            FwPacket packet = new FwPacket();

            try
            {
                // Seek to next packet start
                while (true)
                {
                    if (packetReader.ReadByte() == 0x00)
                    {
                        byte tableId = packetReader.ReadByte();
                        if (tableId == 0xB5 || tableId == 0xB6)
                        {
                            packetReader.BaseStream.Seek(-2, SeekOrigin.Current);
                            break;
                        }
                        else
                        {
                            packetReader.BaseStream.Seek(-1, SeekOrigin.Current);
                        }
                    }
                }

                long startPos = packetReader.BaseStream.Position;

                // Skip over table id
                packetReader.ReadInt16();
                packet.Length = (ushort)(packetReader.ReadUInt16() & 0x0FFF);
                packet.SectionType = packetReader.ReadUInt16();
                packet.Unknown = packetReader.ReadUInt32();
                packet.VendorId = packetReader.ReadByte();
                packetReader.ReadByte();
                packet.ModelId = packetReader.ReadByte();
                packetReader.BaseStream.Seek(3, SeekOrigin.Current);
                packet.FirmwareVersion = packetReader.ReadByte();
                packet.FileOffset = packetReader.ReadUInt32();
                packet.FileLength = packetReader.ReadUInt32();

                packet.Data = packetReader.ReadBytes(packet.Length - 25);
                packet.Crc32 = packetReader.ReadUInt32();

                packetReader.BaseStream.Seek(startPos + 1, SeekOrigin.Begin);
                byte[] wholePacket = packetReader.ReadBytes(packet.Length + 3);

                packet.hasPassedCRC = (Crc32.crc32_mpeg(wholePacket, (uint)wholePacket.Length) == 0);
            }
            catch (EndOfStreamException ex)
            {
                throw ex;
            }
            catch (Exception)
            {
                packet.hasPassedCRC = false;
            }

            return packet;
        }