92 lines
3.6 KiB
C#
92 lines
3.6 KiB
C#
// Copyright (C) 2011, Kenneth Skovhede
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// http://www.hexad.dk, opensource@hexad.dk
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//
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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using System;
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using System.Text;
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using System.Collections.Generic;
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namespace Duplicati.Library.Snapshots
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{
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/// <summary>
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/// Handler for providing a snapshot like access to files and folders
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/// </summary>
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public class NoSnapshotLinux : NoSnapshot
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{
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public NoSnapshotLinux(string[] sourcefolders)
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: base(sourcefolders)
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{
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}
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public NoSnapshotLinux(string[] sourcefolders, Dictionary<string, string> options)
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: base(sourcefolders, options)
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{
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}
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/// <summary>
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/// Returns the symlink target if the entry is a symlink, and null otherwise
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/// </summary>
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/// <param name="file">The file or folder to examine</param>
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/// <returns>The symlink target</returns>
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public override string GetSymlinkTarget(string file)
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{
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if (file.EndsWith(DIR_SEP))
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return UnixSupport.File.GetSymlinkTarget(file.Substring(0, file.Length - 1));
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else
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return UnixSupport.File.GetSymlinkTarget(file);
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}
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/// <summary>
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/// Gets the metadata for the given file or folder
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/// </summary>
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/// <returns>The metadata for the given file or folder</returns>
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/// <param name="file">The file or folder to examine</param>
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public override Dictionary<string, string> GetMetadata(string file)
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{
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var f = file.EndsWith(DIR_SEP) ? file.Substring(0, file.Length - 1) : file;
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var n = UnixSupport.File.GetExtendedAttributes(f);
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var dict = new Dictionary<string, string>();
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foreach(var x in n)
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dict[x.Key] = Convert.ToBase64String(x.Value);
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var fse = UnixSupport.File.GetUserGroupAndPermissions(f);
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dict["unix:uid-gid-perm"] = string.Format("{0}-{1}-{2}", fse.UID, fse.GID, fse.Permissions);
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return dict;
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}
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/// <summary>
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/// Gets a value indicating if the path points to a block device
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/// </summary>
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/// <returns><c>true</c> if this instance is a block device; otherwise, <c>false</c>.</returns>
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/// <param name="file">The file or folder to examine</param>
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public override bool IsBlockDevice(string file)
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{
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var n = UnixSupport.File.GetFileType(file.EndsWith(DIR_SEP) ? file.Substring(0, file.Length - 1) : file);
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switch (n)
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{
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case UnixSupport.File.FileType.Directory:
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case UnixSupport.File.FileType.Symlink:
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case UnixSupport.File.FileType.File:
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return false;
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default:
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return true;
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}
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}
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}
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}
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