/*private FileSecurity GetSecurity(){
* // <TODO> !!!
* Type obTypeToGet = Type.GetType("System.Security.Principal.NTAccount");
* //return File.GetAccessControl(originalFileName).GetOwner(obTypeToGet).ToString
* System.IO.FileInfo fileInfo = new System.IO.FileInfo (fileName);
*
* return fileInfo.GetAccessControl();
* //Alphaleonis.Win32.Filesystem.FileInfo ff = new Alphaleonis.Win32.Filesystem.FileInfo(fileName);
* //Alphaleonis.Win32.Filesystem.FileSystemRights
*
* //return 0;
* }*/
internal FileType GetKind(Alphaleonis.Win32.Filesystem.FileSystemEntryInfo fseInfo)
{
if (fseInfo.IsReparsePoint)
{
return(FileType.MountPoint);
}
else if (fseInfo.IsSymbolicLink)
{
return(FileType.Symlink);
}
else if (fseInfo.Attributes == Alphaleonis.Win32.Filesystem.FileAttributes.Offline)
{
return(FileType.Unsupported);
}
else if (fseInfo.Attributes.HasFlag(Alphaleonis.Win32.Filesystem.FileAttributes.Device))
{
return(FileType.BlockDevice);
}
else if (fseInfo.IsDirectory)
{
return(FileType.Directory);
}
else if (fseInfo.IsFile)
{
return(FileType.File);
}
else
{
Console.WriteLine("unsupported file type for " + fileName + ", attributes : " + fseInfo.Attributes.ToString());
}
return(FileType.Unsupported);
}
internal static void DeleteEmptySubdirectoriesCore(FileSystemEntryInfo fileSystemEntryInfo, KernelTransaction transaction, string path, bool recursive, bool ignoreReadOnly, bool initialize, PathFormat pathFormat)
{
#region Setup
if (pathFormat == PathFormat.RelativePath)
{
Path.CheckSupportedPathFormat(path, true, true);
}
if (fileSystemEntryInfo == null)
{
if (!File.ExistsCore(true, transaction, path, pathFormat))
{
NativeError.ThrowException(Win32Errors.ERROR_PATH_NOT_FOUND, path);
}
fileSystemEntryInfo = File.GetFileSystemEntryInfoCore(true, transaction, Path.GetExtendedLengthPathCore(transaction, path, pathFormat, GetFullPathOptions.TrimEnd | GetFullPathOptions.RemoveTrailingDirectorySeparator | GetFullPathOptions.FullCheck), false, pathFormat);
}
if (fileSystemEntryInfo == null)
{
throw new ArgumentNullException("path");
}
string pathLp = fileSystemEntryInfo.LongFullPath;
#endregion // Setup
// Ensure path is a directory.
if (!fileSystemEntryInfo.IsDirectory)
{
throw new IOException(string.Format(CultureInfo.CurrentCulture, Resources.Target_Directory_Is_A_File, pathLp));
}
var dirEnumOptions = DirectoryEnumerationOptions.Folders;
if (recursive)
{
dirEnumOptions |= DirectoryEnumerationOptions.Recursive;
}
foreach (var fsei in EnumerateFileSystemEntryInfosCore <FileSystemEntryInfo>(transaction, pathLp, Path.WildcardStarMatchAll, dirEnumOptions, PathFormat.LongFullPath))
{
DeleteEmptySubdirectoriesCore(fsei, transaction, null, recursive, ignoreReadOnly, false, PathFormat.LongFullPath);
}
if (!EnumerateFileSystemEntryInfosCore <string>(transaction, pathLp, Path.WildcardStarMatchAll, DirectoryEnumerationOptions.FilesAndFolders, PathFormat.LongFullPath).Any())
{
// Prevent deleting path itself.
if (!initialize)
{
DeleteDirectoryCore(fileSystemEntryInfo, transaction, null, false, ignoreReadOnly, true, PathFormat.LongFullPath);
}
}
}
private T NewFileSystemEntryType <T>(bool isFolder, FileSystemEntryInfo fsei, string fileName, string pathLp, NativeMethods.WIN32_FIND_DATA win32FindData)
{
// Determine yield, e.g. don't return files when only folders are requested and vice versa.
if (null != FileSystemObjectType && (!(bool)FileSystemObjectType || !isFolder) && (!(bool)!FileSystemObjectType || isFolder))
{
return((T)(object)null);
}
// Determine yield.
if (null != fileName && !(_nameFilter == null || _nameFilter != null && _nameFilter.IsMatch(fileName)))
{
return((T)(object)null);
}
if (null == fsei)
{
fsei = NewFilesystemEntry(pathLp, fileName, win32FindData);
}
// Return object instance FullPath property as string, optionally in long path format.
return(AsString
? null == InclusionFilter || InclusionFilter(fsei)
? (T)(object)(AsLongPath ? fsei.LongFullPath : fsei.FullPath)
: (T)(object)null
// Make sure the requested file system object type is returned.
// null = Return files and directories.
// true = Return only directories.
// false = Return only files.
: null != InclusionFilter && !InclusionFilter(fsei)
? (T)(object)null
// Return object instance of type FileSystemInfo.
: AsFileSystemInfo
? (T)(object)(fsei.IsDirectory
? (FileSystemInfo) new DirectoryInfo(Transaction, fsei.LongFullPath, PathFormat.LongFullPath)
{
EntryInfo = fsei
}
: new FileInfo(Transaction, fsei.LongFullPath, PathFormat.LongFullPath)
{
EntryInfo = fsei
})
// Return object instance of type FileSystemEntryInfo.
: (T)(object)fsei);
}
internal static void DeleteEmptySubdirectoriesCore(FileSystemEntryInfo fsEntryInfo, KernelTransaction transaction, string path, bool recursive, bool ignoreReadOnly, PathFormat pathFormat)
{
#region Setup
if (null == fsEntryInfo)
{
if (pathFormat == PathFormat.RelativePath)
{
Path.CheckSupportedPathFormat(path, true, true);
}
if (!File.ExistsCore(transaction, true, path, pathFormat))
{
NativeError.ThrowException(Win32Errors.ERROR_PATH_NOT_FOUND, path);
}
fsEntryInfo = File.GetFileSystemEntryInfoCore(transaction, true, Path.GetExtendedLengthPathCore(transaction, path, pathFormat, GetFullPathOptions.TrimEnd | GetFullPathOptions.RemoveTrailingDirectorySeparator | GetFullPathOptions.FullCheck), false, pathFormat);
if (null == fsEntryInfo)
{
return;
}
}
#endregion // Setup
// Ensure path is a directory.
if (!fsEntryInfo.IsDirectory)
{
throw new IOException(string.Format(CultureInfo.InvariantCulture, Resources.Target_Directory_Is_A_File, fsEntryInfo.LongFullPath));
}
var dirs = new Stack <string>(1000);
dirs.Push(fsEntryInfo.LongFullPath);
while (dirs.Count > 0)
{
foreach (var fsei in EnumerateFileSystemEntryInfosCore <FileSystemEntryInfo>(true, transaction, dirs.Pop(), Path.WildcardStarMatchAll, null, DirectoryEnumerationOptions.ContinueOnException, null, PathFormat.LongFullPath))
{
// Ensure the directory is empty.
if (IsEmptyCore(transaction, fsei.LongFullPath, pathFormat))
{
DeleteDirectoryCore(transaction, fsei, null, false, ignoreReadOnly, true, PathFormat.LongFullPath);
}
else if (recursive)
{
dirs.Push(fsei.LongFullPath);
}
}
}
}
private T NewFileSystemEntryType <T>(bool isFolder, NativeMethods.WIN32_FIND_DATA win32FindData, string fileName, string pathLp)
{
// Determine yield, e.g. don't return files when only folders are requested and vice versa.
if (null != FileSystemObjectType && (!(bool)FileSystemObjectType || !isFolder) && (!(bool)!FileSystemObjectType || isFolder))
{
return((T)(object)null);
}
// Determine yield.
if (null != fileName && !(_nameFilter == null || (_nameFilter != null && _nameFilter.IsMatch(fileName))))
{
return((T)(object)null);
}
var fullPathLp = (IsRelativePath ? OriginalInputPath + Path.DirectorySeparator : pathLp) + (!Utils.IsNullOrWhiteSpace(fileName) ? fileName : string.Empty);
// Return object instance FullPath property as string, optionally in long path format.
if (AsString)
{
return((T)(object)(AsLongPath ? fullPathLp : Path.GetRegularPathCore(fullPathLp, GetFullPathOptions.None, false)));
}
// Make sure the requested file system object type is returned.
// null = Return files and directories.
// true = Return only directories.
// false = Return only files.
var fsei = new FileSystemEntryInfo(win32FindData)
{
FullPath = fullPathLp
};
return(AsFileSystemInfo
// Return object instance of type FileSystemInfo.
? (T)(object)(fsei.IsDirectory
? (FileSystemInfo)
new DirectoryInfo(Transaction, fsei.LongFullPath, PathFormat.LongFullPath)
{
EntryInfo = fsei
}
: new FileInfo(Transaction, fsei.LongFullPath, PathFormat.LongFullPath)
{
EntryInfo = fsei
})
// Return object instance of type FileSystemEntryInfo.
: (T)(object)fsei);
}
public NTBackupFile(Alphaleonis.Win32.Filesystem.FileSystemEntryInfo fsi)
{
fileName = fsi.FullPath;
this.Name = fsi.FileName;
fseInfo = fsi;
this.Kind = GetKind(fsi);
/*this.FileSize = 0;
* try{
* this.FileSize += GetSize ();
* }
* catch(Exception e){
* Logger.Append(Severity.ERROR, "Unable to get size of item "+SnapFullPath+" "+e.Message);
* throw(e);
* }*/
this.FileSize = fsi.FileSize;
if (this.Kind == FileType.Symlink)
{
this.TargetName = fsi.VirtualFullPath;
}
if (this.Kind != FileType.Directory || this.Kind != FileType.Unsupported)
{
this.LastModifiedTime = Utilities.Utils.GetUtcUnixTime(fsi.LastModified); //fsi.LastModified.ToFileTimeUtc();
}
else
{
this.LastModifiedTime = DateTime.MaxValue.ToFileTimeUtc();
}
this.LastMetadataModifiedTime = 0; // dummy value for correctness of incrementals using filecompare
this.CreateTime = Utilities.Utils.GetUtcUnixTime(fsi.Created); //fsi.Created.ToFileTimeUtc();
GetHandleInfos();
if (fseInfo.IsMountPoint || fseInfo.IsReparsePoint || fseInfo.IsSymbolicLink)
{
//this.TargetName = fseInfo.VirtualFullPath;
Console.WriteLine("** Item " + fileName + " is a " + this.Kind + ", target=" + TargetName);
//Console.WriteLine ("reparsepoint tag(s)="+fsi.ReparsePointTag.ToString());
}
if (this.Kind == FileType.Unsupported)
{
Console.WriteLine("unsupported file " + fileName + " with attributes " + fseInfo.Attributes.ToString());
}
this.Attributes = (int)fsi.Attributes;
//wSecurity = GetSecurity(); // unneeded as we save using BackupRead(), which includes security info
//ownerUser = wSecurity.GetOwner(typeof(NTAccount)).;
BlockMetadata = new FileBlockMetadata();
}
private T NewFileSystemEntryType <T>(NativeMethods.WIN32_FIND_DATA win32FindData, string fileName, string pathLp, bool isFolder)
{
// Determine yield.
if (FileSystemObjectType != null && (!(bool)FileSystemObjectType || !isFolder) && (!(bool)!FileSystemObjectType || isFolder))
{
return((T)(object)null);
}
var fullPathLp = string.Format(CultureInfo.InvariantCulture, "{0}{1}", pathLp, fileName ?? string.Empty);
// Return object instance FullPath property as string, optionally in long path format.
if (AsString)
{
return((T)(object)(IsRelativePath
? fullPathLp
: (AsLongPath ? fullPathLp : Path.GetRegularPathCore(fullPathLp, GetFullPathOptions.None, false))));
}
// Make sure the requested file system object type is returned.
// null = Return files and directories.
// true = Return only directories.
// false = Return only files.
var fsei = new FileSystemEntryInfo(win32FindData)
{
FullPath = !fullPathLp.StartsWith(Path.CurrentDirectoryPrefix, StringComparison.OrdinalIgnoreCase)
? fullPathLp
: Path.CombineCore(false, InputPath, fileName)
};
return(AsFileSystemInfo
// Return object instance of type FileSystemInfo.
? (T)(object)(fsei.IsDirectory
? (FileSystemInfo)
new DirectoryInfo(Transaction, fsei.LongFullPath, PathFormat.LongFullPath)
{
EntryInfo = fsei
}
: new FileInfo(Transaction, fsei.LongFullPath, PathFormat.LongFullPath)
{
EntryInfo = fsei
})
// Return object instance of type FileSystemEntryInfo.
: (T)(object)fsei);
}
protected void RefreshEntryInfo()
{
_entryInfo = File.GetFileSystemEntryInfoCore(Transaction, IsDirectory, LongFullName, true, PathFormat.LongFullPath);
if (null == _entryInfo)
{
DataInitialised = -1;
}
else
{
DataInitialised = 0;
Win32AttributeData = new NativeMethods.WIN32_FILE_ATTRIBUTE_DATA(_entryInfo.Win32FindData);
}
}
internal static bool ExistsJunctionCore(KernelTransaction transaction, FileSystemEntryInfo fsEntryInfo, string junctionPath, PathFormat pathFormat)
{
if (null == fsEntryInfo)
{
if (pathFormat != PathFormat.LongFullPath)
{
Path.CheckSupportedPathFormat(junctionPath, true, true);
junctionPath = Path.GetExtendedLengthPathCore(transaction, junctionPath, pathFormat, GetFullPathOptions.CheckInvalidPathChars | GetFullPathOptions.RemoveTrailingDirectorySeparator);
pathFormat = PathFormat.LongFullPath;
}
fsEntryInfo = File.GetFileSystemEntryInfoCore(transaction, true, junctionPath, true, pathFormat);
}
return(null != fsEntryInfo && fsEntryInfo.IsMountPoint);
}
private T NewFileSystemEntryType <T>(NativeMethods.WIN32_FIND_DATA win32FindData, string fullPathLp, bool isFolder)
{
// Determine yield.
if (FileSystemObjectType != null && ((!(bool)FileSystemObjectType || !isFolder) && (!(bool)!FileSystemObjectType || isFolder)))
{
return((T)(object)null);
}
if (AsString)
{
// Return object instance FullPath property as string, optionally in long path format.
return((T)(object)(AsLongPath ? fullPathLp : Path.GetRegularPathCore(fullPathLp, GetFullPathOptions.None)));
}
// Make sure the requested file system object type is returned.
// null = Return files and directories.
// true = Return only directories.
// false = Return only files.
var fsei = new FileSystemEntryInfo(win32FindData)
{
FullPath = fullPathLp
};
return(AsFileSystemInfo
// Return object instance of type FileSystemInfo.
? (T)(object)(fsei.IsDirectory
? (FileSystemInfo)
new DirectoryInfo(Transaction, fsei.LongFullPath, PathFormat.LongFullPath)
{
EntryInfo = fsei
}
: new FileInfo(Transaction, fsei.LongFullPath, PathFormat.LongFullPath)
{
EntryInfo = fsei
})
// Return object instance of type FileSystemEntryInfo.
: (T)(object)fsei);
}
internal static void DeleteJunctionCore(KernelTransaction transaction, FileSystemEntryInfo fsEntryInfo, string junctionPath, bool removeDirectory, PathFormat pathFormat)
{
if (null == fsEntryInfo)
{
if (pathFormat != PathFormat.LongFullPath)
{
Path.CheckSupportedPathFormat(junctionPath, true, true);
junctionPath = Path.GetExtendedLengthPathCore(transaction, junctionPath, pathFormat, GetFullPathOptions.CheckInvalidPathChars | GetFullPathOptions.RemoveTrailingDirectorySeparator);
pathFormat = PathFormat.LongFullPath;
}
fsEntryInfo = File.GetFileSystemEntryInfoCore(transaction, true, junctionPath, false, pathFormat);
if (!fsEntryInfo.IsMountPoint)
{
throw new NotAReparsePointException(string.Format(CultureInfo.InvariantCulture, Resources.Directory_Is_Not_A_MountPoint, fsEntryInfo.LongFullPath), (int)Win32Errors.ERROR_NOT_A_REPARSE_POINT);
}
}
pathFormat = PathFormat.LongFullPath;
// Remove the directory junction.
using (var safeHandle = OpenDirectoryJunction(transaction, fsEntryInfo.LongFullPath, pathFormat))
Device.DeleteDirectoryJunction(safeHandle);
// Optionally the folder itself, which should and must be empty.
if (removeDirectory)
{
DeleteDirectoryCore(transaction, fsEntryInfo, null, false, false, true, pathFormat);
}
}
static internal extern SafeFindFileHandle FindFirstFileExW([In] string lpFileName, [In] FINDEX_INFO_LEVELS fInfoLevelId, [In, Out] FileSystemEntryInfo lpFindFileData, [In] FINDEX_SEARCH_OPS fSearchOp, [In] IntPtr lpSearchFilter, [In] FINDEX_FLAGS dwAdditionalFlags);
internal static void DeleteDirectoryInternal(FileSystemEntryInfo fileSystemEntryInfo, KernelTransaction transaction, string path, bool recursive, bool ignoreReadOnly, bool requireEmpty, bool continueOnNotExist, PathFormat pathFormat)
{
#region Setup
if (pathFormat == PathFormat.RelativePath)
Path.CheckValidPath(path, true, true);
if (fileSystemEntryInfo == null)
{
// MSDN: .NET 3.5+: DirectoryNotFoundException:
// Path does not exist or could not be found.
// Path refers to a file instead of a directory.
// The specified path is invalid (for example, it is on an unmapped drive).
fileSystemEntryInfo = File.GetFileSystemEntryInfoInternal(transaction,
Path.GetExtendedLengthPathInternal(transaction, path, pathFormat, GetFullPathOptions.TrimEnd | GetFullPathOptions.RemoveTrailingDirectorySeparator),
continueOnNotExist, pathFormat);
}
if (fileSystemEntryInfo == null)
return;
string pathLp = fileSystemEntryInfo.LongFullPath;
#endregion // Setup
// Do not follow mount points nor symbolic links, but do delete the reparse point itself.
// If directory is reparse point, disable recursion.
if (recursive && fileSystemEntryInfo.IsReparsePoint)
recursive = false;
// Check to see if this is a mount point, and unmount it.
if (fileSystemEntryInfo.IsMountPoint)
{
int lastError = Volume.DeleteVolumeMountPointInternal(pathLp, true);
if (lastError != Win32Errors.ERROR_SUCCESS && lastError != Win32Errors.ERROR_PATH_NOT_FOUND)
NativeError.ThrowException(lastError, pathLp);
// Now it is safe to delete the actual directory.
}
if (recursive)
{
// Enumerate all file system objects.
foreach (FileSystemEntryInfo fsei in EnumerateFileSystemEntryInfosInternal<FileSystemEntryInfo>(transaction, pathLp, Path.WildcardStarMatchAll, DirectoryEnumerationOptions.FilesAndFolders, PathFormat.LongFullPath))
{
if (fsei.IsDirectory)
DeleteDirectoryInternal(fsei, transaction, null, true, ignoreReadOnly, requireEmpty, true, PathFormat.LongFullPath);
else
File.DeleteFileInternal(transaction, fsei.LongFullPath, ignoreReadOnly, PathFormat.LongFullPath);
}
}
#region Remove
startRemoveDirectory:
if (!(transaction == null || !NativeMethods.IsAtLeastWindowsVista
// RemoveDirectory() / RemoveDirectoryTransacted()
// In the ANSI version of this function, the name is limited to MAX_PATH characters.
// To extend this limit to 32,767 wide characters, call the Unicode version of the function and prepend "\\?\" to the path.
// 2014-09-09: MSDN confirms LongPath usage.
// RemoveDirectory on a symbolic link will remove the link itself.
? NativeMethods.RemoveDirectory(pathLp)
: NativeMethods.RemoveDirectoryTransacted(pathLp, transaction.SafeHandle)))
{
int lastError = Marshal.GetLastWin32Error();
switch ((uint)lastError)
{
case Win32Errors.ERROR_DIR_NOT_EMPTY:
if (requireEmpty)
// MSDN: .NET 3.5+: IOException: The directory specified by path is not an empty directory.
throw new DirectoryNotEmptyException(pathLp);
goto startRemoveDirectory;
case Win32Errors.ERROR_DIRECTORY:
// MSDN: .NET 3.5+: DirectoryNotFoundException: Path refers to a file instead of a directory.
if (File.ExistsInternal(false, transaction, pathLp, PathFormat.LongFullPath))
throw new DirectoryNotFoundException(String.Format(CultureInfo.CurrentCulture, "({0}) {1}",
Win32Errors.ERROR_INVALID_PARAMETER, String.Format(CultureInfo.CurrentCulture, Resources.FileExistsWithSameNameSpecifiedByPath, pathLp)));
break;
case Win32Errors.ERROR_PATH_NOT_FOUND:
if (continueOnNotExist)
return;
break;
case Win32Errors.ERROR_SHARING_VIOLATION:
// MSDN: .NET 3.5+: IOException: The directory is being used by another process or there is an open handle on the directory.
NativeError.ThrowException(lastError, pathLp);
break;
case Win32Errors.ERROR_ACCESS_DENIED:
NativeMethods.Win32FileAttributeData data = new NativeMethods.Win32FileAttributeData();
int dataInitialised = File.FillAttributeInfoInternal(transaction, pathLp, ref data, false, true);
if (data.FileAttributes != (FileAttributes)(-1))
{
if ((data.FileAttributes & FileAttributes.ReadOnly) == FileAttributes.ReadOnly)
{
// MSDN: .NET 3.5+: IOException: The directory specified by path is read-only.
if (ignoreReadOnly)
{
// Reset directory attributes.
File.SetAttributesInternal(true, transaction, pathLp, FileAttributes.Normal, true, PathFormat.LongFullPath);
goto startRemoveDirectory;
}
// MSDN: .NET 3.5+: IOException: The directory is read-only.
throw new DirectoryReadOnlyException(pathLp);
}
}
if (dataInitialised == Win32Errors.ERROR_SUCCESS)
// MSDN: .NET 3.5+: UnauthorizedAccessException: The caller does not have the required permission.
NativeError.ThrowException(lastError, pathLp);
break;
}
// MSDN: .NET 3.5+: IOException:
// A file with the same name and location specified by path exists.
// The directory specified by path is read-only, or recursive is false and path is not an empty directory.
// The directory is the application's current working directory.
// The directory contains a read-only file.
// The directory is being used by another process.
NativeError.ThrowException(lastError, pathLp);
}
#endregion // Remove
}
internal static void DeleteEmptySubdirectoriesInternal(FileSystemEntryInfo fileSystemEntryInfo, KernelTransaction transaction, string path, bool recursive, bool ignoreReadOnly, bool initialize, PathFormat pathFormat)
{
#region Setup
if (pathFormat == PathFormat.RelativePath)
Path.CheckValidPath(path, true, true);
if (fileSystemEntryInfo == null)
{
if (!File.ExistsInternal(true, transaction, path, pathFormat))
NativeError.ThrowException(Win32Errors.ERROR_PATH_NOT_FOUND, path);
fileSystemEntryInfo = File.GetFileSystemEntryInfoInternal(transaction,
Path.GetExtendedLengthPathInternal(transaction, path, pathFormat, GetFullPathOptions.TrimEnd | GetFullPathOptions.RemoveTrailingDirectorySeparator | GetFullPathOptions.FullCheck)
, false, pathFormat);
}
if (fileSystemEntryInfo == null)
throw new ArgumentNullException("path");
string pathLp = fileSystemEntryInfo.LongFullPath;
#endregion // Setup
// Ensure path is a directory.
if (!fileSystemEntryInfo.IsDirectory)
throw new IOException(String.Format(CultureInfo.CurrentCulture, Resources.FileExistsWithSameNameSpecifiedByPath, pathLp));
var dirEnumOptions = DirectoryEnumerationOptions.Folders;
if (recursive)
dirEnumOptions |= DirectoryEnumerationOptions.Recursive;
foreach (var fsei in EnumerateFileSystemEntryInfosInternal<FileSystemEntryInfo>(transaction, pathLp, Path.WildcardStarMatchAll, dirEnumOptions, PathFormat.LongFullPath))
DeleteEmptySubdirectoriesInternal(fsei, transaction, null, recursive, ignoreReadOnly, false, PathFormat.LongFullPath);
if (!EnumerateFileSystemEntryInfosInternal<string>(transaction, pathLp, Path.WildcardStarMatchAll, DirectoryEnumerationOptions.FilesAndFolders, PathFormat.LongFullPath).Any())
{
// Prevent deleting path itself.
if (!initialize)
DeleteDirectoryInternal(fileSystemEntryInfo, transaction, null, false, ignoreReadOnly, true, true, PathFormat.LongFullPath);
}
}
internal static void DeleteDirectoryCore(KernelTransaction transaction, FileSystemEntryInfo fsEntryInfo, string path, bool recursive, bool ignoreReadOnly, bool continueOnNotFound, PathFormat pathFormat)
{
if (null == fsEntryInfo)
{
// MSDN: .NET 3.5+: DirectoryNotFoundException:
// Path does not exist or could not be found.
// Path refers to a file instead of a directory.
// The specified path is invalid (for example, it is on an unmapped drive).
if (pathFormat == PathFormat.RelativePath)
{
Path.CheckSupportedPathFormat(path, true, true);
}
fsEntryInfo = File.GetFileSystemEntryInfoCore(transaction, true, Path.GetExtendedLengthPathCore(transaction, path, pathFormat, GetFullPathOptions.RemoveTrailingDirectorySeparator), continueOnNotFound, pathFormat);
if (null == fsEntryInfo)
{
return;
}
}
pathFormat = PathFormat.LongFullPath;
// Do not follow mount points nor symbolic links, but do delete the reparse point itself.
// If directory is reparse point, disable recursion.
if (recursive && !fsEntryInfo.IsReparsePoint)
{
var dirs = new Stack <string>(1000);
foreach (var fsei in EnumerateFileSystemEntryInfosCore <FileSystemEntryInfo>(null, transaction, fsEntryInfo.LongFullPath, Path.WildcardStarMatchAll, SearchOption.AllDirectories, null, null, pathFormat))
{
if (fsei.IsDirectory)
{
// Check to see if this is a mount point, and unmount it.
// Now it is safe to delete the actual directory.
if (fsei.IsMountPoint)
{
DeleteJunctionCore(transaction, fsei, null, false, pathFormat);
}
//Volume.DeleteVolumeMountPointCore(transaction, fsei.LongFullPath, false, true, pathFormat);
dirs.Push(fsei.LongFullPath);
}
else
{
File.DeleteFileCore(transaction, fsei.LongFullPath, ignoreReadOnly, pathFormat);
}
}
while (dirs.Count > 0)
{
DeleteDirectoryCore(transaction, dirs.Pop(), ignoreReadOnly, continueOnNotFound);
}
}
// Check to see if this is a mount point, and unmount it.
// Now it is safe to delete the actual directory.
if (fsEntryInfo.IsMountPoint)
{
DeleteJunctionCore(transaction, fsEntryInfo, null, false, pathFormat);
}
//Volume.DeleteVolumeMountPointCore(transaction, fsEntryInfo.LongFullPath, false, true, pathFormat);
DeleteDirectoryCore(transaction, fsEntryInfo.LongFullPath, ignoreReadOnly, continueOnNotFound);
}
internal static void DeleteDirectoryCore(FileSystemEntryInfo fileSystemEntryInfo, KernelTransaction transaction, string path, bool recursive, bool ignoreReadOnly, bool requireEmpty, bool continueOnNotExist, PathFormat pathFormat)
{
#region Setup
if (pathFormat == PathFormat.RelativePath)
{
Path.CheckSupportedPathFormat(path, true, true);
}
if (fileSystemEntryInfo == null)
{
// MSDN: .NET 3.5+: DirectoryNotFoundException:
// Path does not exist or could not be found.
// Path refers to a file instead of a directory.
// The specified path is invalid (for example, it is on an unmapped drive).
fileSystemEntryInfo = File.GetFileSystemEntryInfoCore(true, transaction,
Path.GetExtendedLengthPathCore(transaction, path, pathFormat, GetFullPathOptions.TrimEnd | GetFullPathOptions.RemoveTrailingDirectorySeparator),
continueOnNotExist, pathFormat);
}
if (fileSystemEntryInfo == null)
{
return;
}
string pathLp = fileSystemEntryInfo.LongFullPath;
#endregion // Setup
// Do not follow mount points nor symbolic links, but do delete the reparse point itself.
// If directory is reparse point, disable recursion.
if (recursive && fileSystemEntryInfo.IsReparsePoint)
{
recursive = false;
}
// Check to see if this is a mount point, and unmount it.
if (fileSystemEntryInfo.IsMountPoint)
{
int lastError = Volume.DeleteVolumeMountPointCore(pathLp, true);
if (lastError != Win32Errors.ERROR_SUCCESS && lastError != Win32Errors.ERROR_PATH_NOT_FOUND)
{
NativeError.ThrowException(lastError, pathLp);
}
// Now it is safe to delete the actual directory.
}
if (recursive)
{
// Enumerate all file system objects.
foreach (var fsei in EnumerateFileSystemEntryInfosCore <FileSystemEntryInfo>(transaction, pathLp, Path.WildcardStarMatchAll, DirectoryEnumerationOptions.FilesAndFolders, PathFormat.LongFullPath))
{
if (fsei.IsDirectory)
{
DeleteDirectoryCore(fsei, transaction, null, true, ignoreReadOnly, requireEmpty, true, PathFormat.LongFullPath);
}
else
{
File.DeleteFileCore(transaction, fsei.LongFullPath, ignoreReadOnly, PathFormat.LongFullPath);
}
}
}
#region Remove
startRemoveDirectory:
if (!(transaction == null || !NativeMethods.IsAtLeastWindowsVista
// RemoveDirectory() / RemoveDirectoryTransacted()
// In the ANSI version of this function, the name is limited to MAX_PATH characters.
// To extend this limit to 32,767 wide characters, call the Unicode version of the function and prepend "\\?\" to the path.
// 2014-09-09: MSDN confirms LongPath usage.
// RemoveDirectory on a symbolic link will remove the link itself.
? NativeMethods.RemoveDirectory(pathLp)
: NativeMethods.RemoveDirectoryTransacted(pathLp, transaction.SafeHandle)))
{
int lastError = Marshal.GetLastWin32Error();
switch ((uint)lastError)
{
case Win32Errors.ERROR_DIR_NOT_EMPTY:
if (requireEmpty)
{
// MSDN: .NET 3.5+: IOException: The directory specified by path is not an empty directory.
throw new DirectoryNotEmptyException(pathLp);
}
goto startRemoveDirectory;
case Win32Errors.ERROR_DIRECTORY:
// MSDN: .NET 3.5+: DirectoryNotFoundException: Path refers to a file instead of a directory.
if (File.ExistsCore(false, transaction, pathLp, PathFormat.LongFullPath))
{
throw new DirectoryNotFoundException(string.Format(CultureInfo.CurrentCulture, "({0}) {1}", Win32Errors.ERROR_INVALID_PARAMETER, string.Format(CultureInfo.CurrentCulture, Resources.Target_Directory_Is_A_File, pathLp)));
}
break;
case Win32Errors.ERROR_PATH_NOT_FOUND:
if (continueOnNotExist)
{
return;
}
break;
case Win32Errors.ERROR_SHARING_VIOLATION:
// MSDN: .NET 3.5+: IOException: The directory is being used by another process or there is an open handle on the directory.
NativeError.ThrowException(lastError, pathLp);
break;
case Win32Errors.ERROR_ACCESS_DENIED:
var data = new NativeMethods.WIN32_FILE_ATTRIBUTE_DATA();
int dataInitialised = File.FillAttributeInfoCore(transaction, pathLp, ref data, false, true);
if (data.dwFileAttributes != (FileAttributes)(-1))
{
if ((data.dwFileAttributes & FileAttributes.ReadOnly) == FileAttributes.ReadOnly)
{
// MSDN: .NET 3.5+: IOException: The directory specified by path is read-only.
if (ignoreReadOnly)
{
// Reset directory attributes.
File.SetAttributesCore(true, transaction, pathLp, FileAttributes.Normal, true, PathFormat.LongFullPath);
goto startRemoveDirectory;
}
// MSDN: .NET 3.5+: IOException: The directory is read-only.
throw new DirectoryReadOnlyException(pathLp);
}
}
if (dataInitialised == Win32Errors.ERROR_SUCCESS)
{
// MSDN: .NET 3.5+: UnauthorizedAccessException: The caller does not have the required permission.
NativeError.ThrowException(lastError, pathLp);
}
break;
}
// MSDN: .NET 3.5+: IOException:
// A file with the same name and location specified by path exists.
// The directory specified by path is read-only, or recursive is false and path is not an empty directory.
// The directory is the application's current working directory.
// The directory contains a read-only file.
// The directory is being used by another process.
NativeError.ThrowException(lastError, pathLp);
}
#endregion // Remove
}
static internal extern bool FindNextFileW([In] SafeFindFileHandle hFindFile, [In, Out] FileSystemEntryInfo lpFindFileData);
