C# Stream.Seek的代码示例

通过代码示例来学习C# Stream.Seek方法

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2. 通过分析和模仿现有的代码实例,初学者可以更好地理解编程逻辑和算法的工作原理。
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Stream.Seek是C#的System.IO命名空间下中的一个方法, 小编为大家找了一些网络大拿们常见的代码示例,源码中的Stream.Seek() 已经帮大家高亮显示了,大家可以重点学习Stream.Seek() 方法的写法,从而快速掌握该方法的应用。

Stream.Seek的代码示例1 - Main()

    using System.IO;
        public static void Main(string[] args)
        {
            ArgumentParser _parser = new ArgumentParser(args);

            if (args.Length <= 0 || _parser.GetOrDefault("h", "help") == "true") {
                Help();
            }


            if (_parser.GetOrDefault("f", "null") != "null") {
                _pePath = _parser.GetOrDefault("f", "null");
                _encKey = _parser.GetOrDefault("e", "null");
                _pid = _parser.GetOrDefault("pid", "null");

                if (_pePath == "null") Help();
                if (_pid == "null") Help();
            }

            else {
                Help();
            }

            if (!File.Exists(_pePath)) Help();

            Console.WriteLine("[+]:Loading/Parsing PE File '{0}'", _pePath);
            Console.WriteLine();

            byte[] _peBlob = Utils.Read(_pePath);
            int _dataOffset = Utils.scanPattern(_peBlob, _tag);

            Console.WriteLine("[+]:Scanning for Shellcode...");
            if ( _dataOffset == -1) {
                Console.WriteLine("Could not locate data or shellcode");
                Environment.Exit(0);
            }

            Stream stream = new MemoryStream(_peBlob);
            long pos = stream.Seek(_dataOffset + _tag.Length, SeekOrigin.Begin);
            Console.WriteLine("[+]: Shellcode located at {0:x2}", pos);
            byte[] shellcode = new byte[_peBlob.Length - (pos + _tag.Length)];
            stream.Read(shellcode, 0, (_peBlob.Length)- ((int)pos + _tag.Length));
            byte[] _data = Utils.Decrypt(shellcode, _encKey);
            
            stream.Close();

            //Execute shellcode (just a basic/vanilla local shellcode injection logic, make sure to CHANGE this and use your custom shellcode loader.
            
            //CreateThread
            //ExecShellcode(_data);

            //CreateRemoteThread 
            Loader.rexec(Convert.ToInt32(_pid), _data);
           

            }
    

开发者ID:med0x2e,项目名称:SigFlip,代码行数:56,代码来源:Program.cs

在Main()方法中,Stream的代码示例类中的Seek的代码示例方法一共出现了1次, 见黄色背景高亮显示的地方,欢迎大家点赞

Stream.Seek的代码示例2 - AppendToNewlineSeparatedFile()

    using System.IO;

        public static void AppendToNewlineSeparatedFile(PhysicalFileSystem fileSystem, string filename, string newContent)
        {
            using (Stream fileStream = fileSystem.OpenFileStream(filename, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite, false))
            {
                using (StreamReader reader = new StreamReader(fileStream))
                using (StreamWriter writer = new StreamWriter(fileStream))
                {
                    long position = reader.BaseStream.Seek(0, SeekOrigin.End);
                    if (position > 0)
                    {
                        reader.BaseStream.Seek(position - 1, SeekOrigin.Begin);
                    }

                    string lastCharacter = reader.ReadToEnd();
                    if (lastCharacter != "\n" && lastCharacter != string.Empty)
                    {
                        writer.Write("\n");
                    }

                    writer.Write(newContent.Trim());
                    writer.Write("\n");
                }

                fileStream.Close();
            }
        }
    

开发者ID:microsoft,项目名称:VFSForGit,代码行数:28,代码来源:BlobPrefetcher.cs

在AppendToNewlineSeparatedFile()方法中,Stream的代码示例类中的Seek的代码示例方法一共出现了2次, 见黄色背景高亮显示的地方,欢迎大家点赞

Stream.Seek的代码示例3 - GetEmbeddedData()

    using System.IO;

        /// 
        /// Extracts the data embedded into MSI (into Binary table).
        /// 
        /// The session.
        /// The name on resource in the Binary table.
        /// 
        public static byte[] GetEmbeddedData(this Session session, string binary)
        {
            //If binary is accessed this way it will raise "stream handle is not valid" exception
            //object result = session.Database.ExecuteScalar("select Data from Binary where Name = 'Fake_CRT.msi'");
            //Stream s = (Stream)result;
            //using (FileStream fs = new FileStream(@"....\Wix# Samples\Simplified Bootstrapper\Fake CRT1.msi", FileMode.Create))
            //{
            //    int Length = 256;
            //    var buffer = new Byte[Length];
            //    int bytesRead = s.Read(buffer, 0, Length);
            //    while (bytesRead > 0)
            //    {
            //        fs.Write(buffer, 0, bytesRead);
            //        bytesRead = s.Read(buffer, 0, Length);
            //    }
            //}

            //however View approach is OK
            using (var sql = session.Database.OpenView("select Data from Binary where Name = '" + binary + "'"))
            {
                sql.Execute();

                using (var record = sql.Fetch())
                using (var stream = record.GetStream(1))
                using (var ms = new IO.MemoryStream())
                {
                    int Length = 256;
                    var buffer = new Byte[Length];
                    int bytesRead = stream.Read(buffer, 0, Length);
                    while (bytesRead > 0)
                    {
                        ms.Write(buffer, 0, bytesRead);
                        bytesRead = stream.Read(buffer, 0, Length);
                    }
                    ms.Seek(0, IO.SeekOrigin.Begin);
                    return ms.ToArray();
                }
            }
        }
    

开发者ID:oleg-shilo,项目名称:wixsharp,代码行数:47,代码来源:Extensions.cs

在GetEmbeddedData()方法中,Stream的代码示例类中的Seek的代码示例方法一共出现了1次, 见黄色背景高亮显示的地方,欢迎大家点赞

Stream.Seek的代码示例4 - Load()

    
        public void Load(System.IO.Stream stream)
        {
            using (FileReader reader = new FileReader(stream))
            {
                reader.ByteOrder = Syroot.BinaryData.ByteOrder.LittleEndian;

                magic = reader.ReadBytes(4);

                uint magicval = magic[0] + 256 * (uint)(magic[1]) + 65536 * (uint)(magic[2]) + 16777216 * (uint)(magic[3]);

                if (magicval != MagicFileConstant)
                    throw new Exception("Invalid identifier");

                BlockDimX = reader.ReadByte();
                BlockDimY = reader.ReadByte();
                BlockDimZ = reader.ReadByte();
                xsize = reader.ReadBytes(3);
                ysize = reader.ReadBytes(3);
                zsize = reader.ReadBytes(3);

                Width = (uint)(xsize[0] + 256 * xsize[1] + 65536 * xsize[2]);
                Height = (uint)(ysize[0] + 256 * ysize[1] + 65536 * ysize[2]);
                Depth = (uint)(zsize[0] + 256 * zsize[1] + 65536 * zsize[2]);

                reader.Seek(0x10, System.IO.SeekOrigin.Begin);
                DataBlock = reader.ReadBytes((int)(reader.BaseStream.Length - reader.Position));

                Console.WriteLine(Width);
                Console.WriteLine(Height);
                Console.WriteLine(Depth);

                if (BlockDimX == 4 && BlockDimY == 4)
                    Format = TEX_FORMAT.ASTC_4x4_UNORM;
                else if (BlockDimX == 5 && BlockDimY == 4)
                    Format = TEX_FORMAT.ASTC_5x4_UNORM;
                else if (BlockDimX == 5 && BlockDimY == 5)
                    Format = TEX_FORMAT.ASTC_5x5_UNORM;
                else if (BlockDimX == 6 && BlockDimY == 5)
                    Format = TEX_FORMAT.ASTC_6x5_UNORM;
                else if (BlockDimX == 6 && BlockDimY == 6)
                    Format = TEX_FORMAT.ASTC_6x6_UNORM;
                else if (BlockDimX == 8 && BlockDimY == 5)
                    Format = TEX_FORMAT.ASTC_8x5_UNORM;
                else if (BlockDimX == 8 && BlockDimY == 6)
                    Format = TEX_FORMAT.ASTC_8x6_UNORM;
                else if (BlockDimX == 8 && BlockDimY == 8)
                    Format = TEX_FORMAT.ASTC_8x8_UNORM;
                else if (BlockDimX == 10 && BlockDimY == 10)
                    Format = TEX_FORMAT.ASTC_10x10_UNORM;
                else if (BlockDimX == 10 && BlockDimY == 5)
                    Format = TEX_FORMAT.ASTC_10x5_UNORM;
                else if (BlockDimX == 10 && BlockDimY == 6)
                    Format = TEX_FORMAT.ASTC_10x6_UNORM;
                else if (BlockDimX == 10 && BlockDimY == 8)
                    Format = TEX_FORMAT.ASTC_10x8_UNORM;
                else
                    throw new Exception($"Unsupported block dims! ({BlockDimX} x {BlockDimY})");
            }

            stream.Dispose();
            stream.Close();
        }
    

开发者ID:KillzXGaming,项目名称:Switch-Toolbox,代码行数:63,代码来源:ASTC.cs

在Load()方法中,Stream的代码示例类中的Seek的代码示例方法一共出现了1次, 见黄色背景高亮显示的地方,欢迎大家点赞

Stream.Seek的代码示例5 - Load()

    using System.IO;

        public void Load(System.IO.Stream stream)
        {
            CanSave = true;

            Text = FileName;

            using (var reader = new FileReader(stream))
            {
                reader.ByteOrder = Syroot.BinaryData.ByteOrder.BigEndian;

                uint FileSize = (uint)reader.BaseStream.Length;
                reader.Seek(FileSize - 0x28, SeekOrigin.Begin);

                header = new Header();
                header.Read(reader);

                reader.Seek(header.HeaderSize + FileSize - 0x28, SeekOrigin.Begin);
                image = new Image();
                image.Read(reader);
                Format = GetFormat(image.BCLIMFormat);
                Width = image.Width;
                Height = image.Height;

                LoadComponents(Format);

                reader.Position = 0;
                ImageData = reader.ReadBytes((int)image.ImageSize);

                PlatformSwizzle = PlatformSwizzle.Platform_3DS;
            }
        }
    

开发者ID:KillzXGaming,项目名称:Switch-Toolbox,代码行数:33,代码来源:BCLIM.cs

在Load()方法中,Stream的代码示例类中的Seek的代码示例方法一共出现了2次, 见黄色背景高亮显示的地方,欢迎大家点赞

Stream.Seek的代码示例6 - Load()

    using System.IO;

        public void Load(System.IO.Stream stream)
        {
            CanSave = true;

            Text = FileName;

            using (var reader = new FileReader(stream))
            {
                uint FileSize = (uint)reader.BaseStream.Length;
                reader.Seek(FileSize - 0x28, SeekOrigin.Begin);

                header = new Header();
                header.Read(reader);

                bool Is3DS = reader.ByteOrder == Syroot.BinaryData.ByteOrder.LittleEndian;

                reader.Seek(header.HeaderSize + FileSize - 0x28, SeekOrigin.Begin);
                image = new Image(Is3DS);
                image.Read(reader);

                bool isBc4Alpha = image.BflimFormat == 16;

                if (Is3DS)
                    Format = Formats3DS[image.BflimFormat];
                else
                    Format = FormatsWiiU[image.BflimFormat];


                Width = image.Width;
                Height = image.Height;

                LoadComponents(Format, isBc4Alpha);

                uint ImageSize = reader.ReadUInt32();

                reader.Position = 0;
                ImageData = reader.ReadBytes((int)ImageSize);

                if (!PluginRuntime.bflimTextures.ContainsKey(Text))
                    PluginRuntime.bflimTextures.Add(Text, this);
            }
        }
    

开发者ID:KillzXGaming,项目名称:Switch-Toolbox,代码行数:44,代码来源:BFLIM.cs

在Load()方法中,Stream的代码示例类中的Seek的代码示例方法一共出现了2次, 见黄色背景高亮显示的地方,欢迎大家点赞

Stream.Seek的代码示例7 - Load()

            public void Load(System.IO.Stream stream)
        {
            Text = FileName;
            CanSave = true;

            FileReader reader = new FileReader(stream);
            int SectionSize = 0;
            while (!reader.EndOfStream)
            {
                string magicCheck = reader.ReadString(4, Encoding.ASCII);
                if (magicCheck == "VFXB")
                {
                    reader.Seek(-4);
                    break;
                }

                SectionSize += 4;
            }

            if (SectionSize == reader.BaseStream.Length)
                return;

            DataStart = reader.getSection(0, SectionSize);

            Text = FileName;
            ptcl = new PTCL();
            ptcl.IFileInfo = new IFileInfo();
            ptcl.FileName = "Output.pctl";
            Nodes.Add(ptcl);

            ptcl.Load(new SubStream(stream, reader.Position));
        }
    

开发者ID:KillzXGaming,项目名称:Switch-Toolbox,代码行数:32,代码来源:EFF.cs

在Load()方法中,Stream的代码示例类中的Seek的代码示例方法一共出现了1次, 见黄色背景高亮显示的地方,欢迎大家点赞

Stream.Seek的代码示例8 - Load()

    using System.IO;

        public void Load(Stream stream)
        {
            CanSave = true;

            using (var reader = new FileReader(stream))
            {
                CheckEndianness(reader);
                isBigEndian = reader.IsBigEndian;

                uint Count = reader.ReadUInt32();

                Console.WriteLine($"Count {Count}");

                uint[] Offsets = new uint[Count];
                uint[] Sizes = new uint[Count];

                for (int i = 0; i < Count; i++)
                {
                    Offsets[i] = reader.ReadUInt32();
                    Sizes[i] = reader.ReadUInt32();
                }

                for (int i = 0; i < Count; i++)
                {
                    var fileEntry = new FileEntry();
                    reader.SeekBegin(Offsets[i]);
                    string Magic = reader.ReadString(4);
                    reader.Seek(-4);
                    reader.SeekBegin(Offsets[i]);
                    fileEntry.FileData = reader.ReadBytes((int)Sizes[i]);
                    fileEntry.FileName = $"File {i}";
                    fileEntry.OpenFileFormatOnLoad = true;

                    switch (Magic)
                    {
                        case "GT1G": //Textures
                        case "G1TG": //Textures
                            fileEntry.FileName = $"TextureContainer_{i}.gt1";
                            break;
                        case "_M1G":
                        case "G1M_":
                            fileEntry.FileName = $"Model_{i}.g1m";
                            break;
                        case "_A1G":
                        case "G1A_":
                            fileEntry.FileName = $"Animation_{i}.g1a";
                            break;
                        default:
                            break;
                    }

                    files.Add(fileEntry);
                }
            }
        }
    

开发者ID:KillzXGaming,项目名称:Switch-Toolbox,代码行数:57,代码来源:HWBinGzResource.cs

在Load()方法中,Stream的代码示例类中的Seek的代码示例方法一共出现了1次, 见黄色背景高亮显示的地方,欢迎大家点赞

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