Ejemplo n.º 1
0
        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);
        }
Ejemplo n.º 2
0
        private void CopyFiles(NtfsFileSystem sourceNtfs, NtfsFileSystem destNtfs, string path, bool subs)
        {
            if (subs)
            {
                foreach (var dir in sourceNtfs.GetDirectories(path))
                {
                    if (!IsExcluded(dir))
                    {
                        int hardLinksRemaining = sourceNtfs.GetHardLinkCount(dir) - 1;
                        bool newDir = false;

                        long sourceFileId = sourceNtfs.GetFileId(dir);
                        string refPath;
                        if (_uniqueFiles.TryGetValue(sourceFileId, out refPath))
                        {
                            // If this is another name for a known dir, recreate the hard link
                            destNtfs.CreateHardLink(refPath, dir);
                        }
                        else
                        {
                            destNtfs.CreateDirectory(dir);
                            newDir = true;

                            FileAttributes fileAttrs = sourceNtfs.GetAttributes(dir);
                            if ((fileAttrs & FileAttributes.ReparsePoint) != 0)
                            {
                                destNtfs.SetReparsePoint(dir, sourceNtfs.GetReparsePoint(dir));
                            }

                            destNtfs.SetAttributes(dir, fileAttrs);

                            destNtfs.SetSecurity(dir, sourceNtfs.GetSecurity(dir));
                        }

                        // File may have a short name
                        string shortName = sourceNtfs.GetShortName(dir);
                        if (!string.IsNullOrEmpty(shortName) && shortName != dir)
                        {
                            destNtfs.SetShortName(dir, shortName);
                            --hardLinksRemaining;
                        }

                        if (newDir)
                        {
                            if (hardLinksRemaining > 0)
                            {
                                _uniqueFiles[sourceFileId] = dir;
                            }
                            CopyFiles(sourceNtfs, destNtfs, dir, subs);
                        }

                        // Set standard information last (includes modification timestamps)
                        destNtfs.SetFileStandardInformation(dir, sourceNtfs.GetFileStandardInformation(dir));
                    }
                }
            }

            foreach (var file in sourceNtfs.GetFiles(path))
            {
                Console.WriteLine(file);

                int hardLinksRemaining = sourceNtfs.GetHardLinkCount(file) - 1;

                long sourceFileId = sourceNtfs.GetFileId(file);

                string refPath;
                if (_uniqueFiles.TryGetValue(sourceFileId, out refPath))
                {
                    // If this is another name for a known file, recreate the hard link
                    destNtfs.CreateHardLink(refPath, file);
                }
                else
                {
                    CopyFile(sourceNtfs, destNtfs, file);

                    if (hardLinksRemaining > 0)
                    {
                        _uniqueFiles[sourceFileId] = file;
                    }
                }

                // File may have a short name
                string shortName = sourceNtfs.GetShortName(file);
                if (!string.IsNullOrEmpty(shortName) && shortName != file)
                {
                    destNtfs.SetShortName(file, shortName);
                }
            }
        }