private static Tuple <string, string> GetFilePath(NtFile volume, long file_id, Dictionary <long, Tuple <string, string> > parent_paths)
{
if (!parent_paths.ContainsKey(file_id))
{
using (var file = NtFile.OpenFileById(volume, file_id, FileAccessRights.Synchronize | FileAccessRights.ReadAttributes,
FileShareMode.None, FileOpenOptions.OpenReparsePoint | FileOpenOptions.OpenForBackupIntent, false)) {
if (!file.IsSuccess)
{
parent_paths[file_id] = Tuple.Create(string.Empty, string.Empty);
}
else
{
parent_paths[file_id] = Tuple.Create(file.Result.FullPath.TrimEnd('\\'), file.Result.Win32PathName.TrimEnd('\\'));
}
}
}
return(parent_paths[file_id]);
}
internal NtFileReparsePoint(NtFile volume, FileReparsePointInformation info)
{
FileReferenceNumber = info.FileReferenceNumber;
Buffer = new OpaqueReparseBuffer(info.Tag, new byte[0]);
FullPath = string.Empty;
Win32Path = string.Empty;
using (var file = NtFile.OpenFileById(volume, info.FileReferenceNumber, FileAccessRights.ReadAttributes,
FileShareMode.None, FileOpenOptions.OpenReparsePoint | FileOpenOptions.OpenForBackupIntent, false)) {
if (!file.IsSuccess)
{
return;
}
FileAttributes = file.Result.FileAttributes;
FullPath = file.Result.FullPath;
Win32Path = file.Result.GetWin32PathName(0, false).GetResultOrDefault(string.Empty);
Buffer = file.Result.GetReparsePoint(false).GetResultOrDefault(Buffer);
}
}
static FileData GetFileData(NtFile volume, ReparseTag tag, long fileid)
{
using (var file = NtFile.OpenFileById(volume, fileid, FileAccessRights.ReadAttributes | FileAccessRights.Synchronize,
FileShareMode.None, FileOpenOptions.OpenReparsePoint | FileOpenOptions.SynchronousIoNonAlert | FileOpenOptions.OpenForBackupIntent))
{
var filename = file.GetWin32PathName(NtApiDotNet.Win32.Win32PathNameFlags.None, false).GetResultOrDefault(fileid.ToString());
ReparseBuffer reparse = new OpaqueReparseBuffer(tag, new byte[0]);
try
{
reparse = file.GetReparsePoint();
}
catch (NtException)
{
}
return(new FileData()
{
FileName = filename,
Reparse = reparse
});
}
}
