Beispiel #1
0
        public void ShortNames()
        {
            NtfsFileSystem ntfs = FileSystemSource.NtfsFileSystem();

            // Check we can find a short name in the same directory
            using (Stream s = ntfs.OpenFile("ALongFileName.txt", FileMode.CreateNew)) {}
            ntfs.SetShortName("ALongFileName.txt", "ALONG~01.TXT");
            Assert.Equal("ALONG~01.TXT", ntfs.GetShortName("ALongFileName.txt"));
            Assert.True(ntfs.FileExists("ALONG~01.TXT"));

            // Check path handling
            ntfs.CreateDirectory("DIR");
            using (Stream s = ntfs.OpenFile(@"DIR\ALongFileName2.txt", FileMode.CreateNew)) { }
            ntfs.SetShortName(@"DIR\ALongFileName2.txt", "ALONG~02.TXT");
            Assert.Equal("ALONG~02.TXT", ntfs.GetShortName(@"DIR\ALongFileName2.txt"));
            Assert.True(ntfs.FileExists(@"DIR\ALONG~02.TXT"));

            // Check we can open a file by the short name
            using (Stream s = ntfs.OpenFile("ALONG~01.TXT", FileMode.Open)) { }

            // Delete the long name, and make sure the file is gone
            ntfs.DeleteFile("ALONG~01.TXT");
            Assert.False(ntfs.FileExists("ALONG~01.TXT"));

            // Delete the short name, and make sure the file is gone
            ntfs.DeleteFile(@"DIR\ALONG~02.TXT");
            Assert.False(ntfs.FileExists(@"DIR\ALongFileName2.txt"));
        }
Beispiel #2
0
        public void Fragmented()
        {
            NtfsFileSystem ntfs = FileSystemSource.NtfsFileSystem();

            ntfs.CreateDirectory(@"DIR");

            byte[] buffer = new byte[4096];

            for (int i = 0; i < 2500; ++i)
            {
                using (var stream = ntfs.OpenFile(@"DIR\file" + i + ".bin", FileMode.Create, FileAccess.ReadWrite))
                {
                    stream.Write(buffer, 0, buffer.Length);
                }

                using (var stream = ntfs.OpenFile(@"DIR\" + i + ".bin", FileMode.Create, FileAccess.ReadWrite))
                {
                    stream.Write(buffer, 0, buffer.Length);
                }
            }

            for (int i = 0; i < 2500; ++i)
            {
                ntfs.DeleteFile(@"DIR\file" + i + ".bin");
            }

            // Create fragmented file (lots of small writes)
            using (var stream = ntfs.OpenFile(@"DIR\fragmented.bin", FileMode.Create, FileAccess.ReadWrite))
            {
                for (int i = 0; i < 2500; ++i)
                {
                    stream.Write(buffer, 0, buffer.Length);
                }
            }

            // Try a large write
            byte[] largeWriteBuffer = new byte[200 * 1024];
            for (int i = 0; i < largeWriteBuffer.Length / 4096; ++i)
            {
                largeWriteBuffer[i * 4096] = (byte)i;
            }
            using (var stream = ntfs.OpenFile(@"DIR\fragmented.bin", FileMode.OpenOrCreate, FileAccess.ReadWrite))
            {
                stream.Position = stream.Length - largeWriteBuffer.Length;
                stream.Write(largeWriteBuffer, 0, largeWriteBuffer.Length);
            }

            // And a large read
            byte[] largeReadBuffer = new byte[largeWriteBuffer.Length];
            using (var stream = ntfs.OpenFile(@"DIR\fragmented.bin", FileMode.OpenOrCreate, FileAccess.ReadWrite))
            {
                stream.Position = stream.Length - largeReadBuffer.Length;
                stream.Read(largeReadBuffer, 0, largeReadBuffer.Length);
            }

            Assert.Equal(largeWriteBuffer, largeReadBuffer);
        }
Beispiel #3
0
        public void DeleteAlternateDataStreams()
        {
            NtfsFileSystem ntfs = FileSystemSource.NtfsFileSystem();

            ntfs.OpenFile("AFILE.TXT", FileMode.Create).Dispose();
            ntfs.OpenFile("AFILE.TXT:ALTSTREAM", FileMode.Create).Dispose();
            Assert.Equal(1, ntfs.GetAlternateDataStreams("AFILE.TXT").Length);

            ntfs.DeleteFile("AFILE.TXT:ALTSTREAM");
            Assert.Equal(1, ntfs.GetFileSystemEntries("").Length);
            Assert.Equal(0, ntfs.GetAlternateDataStreams("AFILE.TXT").Length);
        }
Beispiel #4
0
        public void ManyAttributes()
        {
            NtfsFileSystem ntfs = FileSystemSource.NtfsFileSystem();

            using (Stream s = ntfs.OpenFile(@"file", FileMode.Create, FileAccess.ReadWrite))
            {
                s.WriteByte(32);
            }

            for (int i = 0; i < 50; ++i)
            {
                ntfs.CreateHardLink("file", "hl" + i);
            }

            using (Stream s = ntfs.OpenFile("hl35", FileMode.Open, FileAccess.ReadWrite))
            {
                Assert.Equal(32, s.ReadByte());
                s.Position = 0;
                s.WriteByte(12);
            }

            using (Stream s = ntfs.OpenFile("hl5", FileMode.Open, FileAccess.ReadWrite))
            {
                Assert.Equal(12, s.ReadByte());
            }

            for (int i = 0; i < 50; ++i)
            {
                ntfs.DeleteFile("hl" + i);
            }

            Assert.Equal(1, ntfs.GetFiles(@"\").Length);

            ntfs.DeleteFile("file");

            Assert.Equal(0, ntfs.GetFiles(@"\").Length);
        }
        protected override void DoRun()
        {
            if (!IsAdministrator())
            {
                Console.WriteLine("\nThis utility must be run as an administrator!\n");
                Environment.Exit(1);
            }

            DiskImageBuilder builder = DiskImageBuilder.GetBuilder(OutputDiskType, OutputDiskVariant);

            builder.GenericAdapterType = AdapterType;

            string[] sourceVolume = _volumes.Values;

            uint diskNumber;

            List <CloneVolume> cloneVolumes = GatherVolumes(sourceVolume, out diskNumber);


            if (!Quiet)
            {
                Console.WriteLine("Inspecting Disk...");
            }

            // Construct a stream representing the contents of the cloned disk.
            BiosPartitionedDiskBuilder contentBuilder;
            Geometry biosGeometry;
            Geometry ideGeometry;
            long     capacity;

            using (Disk disk = new Disk(diskNumber))
            {
                contentBuilder = new BiosPartitionedDiskBuilder(disk);
                biosGeometry   = disk.BiosGeometry;
                ideGeometry    = disk.Geometry;
                capacity       = disk.Capacity;
            }

            // Preserve the IDE (aka Physical) geometry
            builder.Geometry = ideGeometry;

            // Translate the BIOS (aka Logical) geometry
            GeometryTranslation translation = _translation.EnumValue;

            if (builder.PreservesBiosGeometry && translation == GeometryTranslation.Auto)
            {
                // If the new format preserves BIOS geometry, then take no action if asked for 'auto'
                builder.BiosGeometry = biosGeometry;
                translation          = GeometryTranslation.None;
            }
            else
            {
                builder.BiosGeometry = ideGeometry.TranslateToBios(0, translation);
            }

            if (translation != GeometryTranslation.None)
            {
                contentBuilder.UpdateBiosGeometry(builder.BiosGeometry);
            }


            IVssBackupComponents backupCmpnts;
            int status;

            if (Marshal.SizeOf(typeof(IntPtr)) == 4)
            {
                status = NativeMethods.CreateVssBackupComponents(out backupCmpnts);
            }
            else
            {
                status = NativeMethods.CreateVssBackupComponents64(out backupCmpnts);
            }


            Guid snapshotSetId = CreateSnapshotSet(cloneVolumes, backupCmpnts);

            if (!Quiet)
            {
                Console.Write("Copying Disk...");
            }


            foreach (var sv in cloneVolumes)
            {
                Volume sourceVol = new Volume(sv.SnapshotProperties.SnapshotDeviceObject, sv.SourceExtent.ExtentLength);

                SnapshotStream rawVolStream = new SnapshotStream(sourceVol.Content, Ownership.None);
                rawVolStream.Snapshot();

                byte[] volBitmap;
                int    clusterSize;
                using (NtfsFileSystem ntfs = new NtfsFileSystem(rawVolStream))
                {
                    ntfs.NtfsOptions.HideSystemFiles = false;
                    ntfs.NtfsOptions.HideHiddenFiles = false;
                    ntfs.NtfsOptions.HideMetafiles   = false;

                    // Remove VSS snapshot files (can be very large)
                    foreach (string filePath in ntfs.GetFiles(@"\System Volume Information", "*{3808876B-C176-4e48-B7AE-04046E6CC752}"))
                    {
                        ntfs.DeleteFile(filePath);
                    }

                    // Remove the page file
                    if (ntfs.FileExists(@"\Pagefile.sys"))
                    {
                        ntfs.DeleteFile(@"\Pagefile.sys");
                    }

                    // Remove the hibernation file
                    if (ntfs.FileExists(@"\hiberfil.sys"))
                    {
                        ntfs.DeleteFile(@"\hiberfil.sys");
                    }

                    using (Stream bitmapStream = ntfs.OpenFile(@"$Bitmap", FileMode.Open))
                    {
                        volBitmap = new byte[bitmapStream.Length];

                        int totalRead = 0;
                        int numRead   = bitmapStream.Read(volBitmap, 0, volBitmap.Length - totalRead);
                        while (numRead > 0)
                        {
                            totalRead += numRead;
                            numRead    = bitmapStream.Read(volBitmap, totalRead, volBitmap.Length - totalRead);
                        }
                    }

                    clusterSize = (int)ntfs.ClusterSize;

                    if (translation != GeometryTranslation.None)
                    {
                        ntfs.UpdateBiosGeometry(builder.BiosGeometry);
                    }
                }

                List <StreamExtent> extents          = new List <StreamExtent>(BitmapToRanges(volBitmap, clusterSize));
                SparseStream        partSourceStream = SparseStream.FromStream(rawVolStream, Ownership.None, extents);

                for (int i = 0; i < contentBuilder.PartitionTable.Partitions.Count; ++i)
                {
                    var part = contentBuilder.PartitionTable.Partitions[i];
                    if (part.FirstSector * 512 == sv.SourceExtent.StartingOffset)
                    {
                        contentBuilder.SetPartitionContent(i, partSourceStream);
                    }
                }
            }
            SparseStream contentStream = contentBuilder.Build();


            // Write out the disk images
            string dir  = Path.GetDirectoryName(_destDisk.Value);
            string file = Path.GetFileNameWithoutExtension(_destDisk.Value);

            builder.Content = contentStream;
            DiskImageFileSpecification[] fileSpecs = builder.Build(file);

            for (int i = 0; i < fileSpecs.Length; ++i)
            {
                // Construct the destination file path from the directory of the primary file.
                string outputPath = Path.Combine(dir, fileSpecs[i].Name);

                // Force the primary file to the be one from the command-line.
                if (i == 0)
                {
                    outputPath = _destDisk.Value;
                }

                using (SparseStream vhdStream = fileSpecs[i].OpenStream())
                    using (FileStream fs = new FileStream(outputPath, FileMode.Create, FileAccess.ReadWrite))
                    {
                        StreamPump pump = new StreamPump()
                        {
                            InputStream  = vhdStream,
                            OutputStream = fs,
                        };

                        long totalBytes = 0;
                        foreach (var se in vhdStream.Extents)
                        {
                            totalBytes += se.Length;
                        }

                        if (!Quiet)
                        {
                            Console.WriteLine();
                            DateTime now = DateTime.Now;
                            pump.ProgressEvent += (o, e) => { ShowProgress(fileSpecs[i].Name, totalBytes, now, o, e); };
                        }

                        pump.Run();

                        if (!Quiet)
                        {
                            Console.WriteLine();
                        }
                    }
            }


            // Complete - tidy up
            CallAsyncMethod(backupCmpnts.BackupComplete);

            long numDeleteFailed;
            Guid deleteFailed;

            backupCmpnts.DeleteSnapshots(snapshotSetId, 2 /*VSS_OBJECT_SNAPSHOT_SET*/, true, out numDeleteFailed, out deleteFailed);

            Marshal.ReleaseComObject(backupCmpnts);
        }