131 lines
3.8 KiB
C#
131 lines
3.8 KiB
C#
// Copyright (C) 2025, The Duplicati Team
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// https://duplicati.com, hello@duplicati.com
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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#nullable enable
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.Versioning;
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namespace Duplicati.Library.Snapshots.Windows;
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/// <summary>
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/// Snapshot provider based on WMIC
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/// </summary>
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[SupportedOSPlatform("windows")]
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internal class WmicVssBackup : ISnapshotProvider
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{
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/// <summary>
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/// The manager that contains the actual interface to WMIC
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/// </summary>
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private WmicShadowCopyManager _manager = new WmicShadowCopyManager();
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/// <summary>
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/// Gets the VSS enabled drives
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/// </summary>
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private Lazy<HashSet<string>> _vssEnabledDrives = new Lazy<HashSet<string>>(() => WmicShadowCopyManager.GetVssCapableDrivesViaVssadmin());
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/// <inheritdoc/>
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public Guid AddToSnapshotSet(string drive)
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=> _manager.Add(drive).ParsedId;
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/// <inheritdoc/>
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public void BackupComplete()
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{
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}
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/// <inheritdoc/>
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public void DeleteSnapshot(Guid shadowId, bool forceDelete)
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{
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foreach (var x in _manager.ShadowCopies.Where(x => x.ParsedId == shadowId))
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x.Dispose();
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}
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/// <inheritdoc/>
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public void DisableWriterClasses(Guid[] guids)
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{
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}
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/// <inheritdoc/>
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public void Dispose()
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{
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_manager.Dispose();
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}
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/// <inheritdoc/>
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public void DoSnapshotSet()
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{
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}
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/// <inheritdoc/>
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public void EnableWriterClasses(Guid[] guids)
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{
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}
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/// <inheritdoc/>
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public void FreeWriterMetadata()
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{
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}
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/// <inheritdoc/>
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public void GatherWriterMetadata()
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{
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}
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/// <summary>
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/// Stub for returning the snapshot info
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/// </summary>
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/// <param name="SnapshotDeviceObject">The path where the snapshot is located</param>
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private sealed record SnapshotInfo (string SnapshotDeviceObject) : ISnapshotInfo;
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/// <inheritdoc/>
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public ISnapshotInfo GetSnapshotProperties(Guid shadowId)
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=> new SnapshotInfo(_manager.ShadowCopies.First(x => x.ParsedId == shadowId).MappedPath);
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/// <inheritdoc/>
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public bool IsVolumeSupported(string drive)
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{
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if (string.IsNullOrWhiteSpace(drive))
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return false;
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return _vssEnabledDrives.Value.Contains(drive.Substring(0, 1));
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}
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/// <inheritdoc/>
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public IEnumerable<WriterMetaData> ParseWriterMetaData(Guid[] writers)
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=> Enumerable.Empty<WriterMetaData>();
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/// <inheritdoc/>
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public void PrepareForBackup()
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{
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}
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/// <inheritdoc/>
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public void StartSnapshotSet()
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{
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}
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/// <inheritdoc/>
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public void VerifyWriters(Guid[] guids)
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{
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}
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} |