internal static NtResult <string> GetFileBasePath(SessionState state)
{
var current_path = state.Path.CurrentLocation;
if (!current_path.Provider.Name.Equals("FileSystem", StringComparison.OrdinalIgnoreCase))
{
return(NtResult <string> .CreateResultFromError(NtStatus.STATUS_OBJECT_PATH_NOT_FOUND, false));
}
return(NtFileUtils.DosFileNameToNt(current_path.Path, false));
}
/// <summary>
/// Get the base object manager path for the current powershell directory.
/// </summary>
/// <returns>The base path.</returns>
protected virtual NtResult <string> GetBasePath()
{
var current_path = SessionState.Path.CurrentLocation;
if (current_path.Drive is ObjectManagerPSDriveInfo drive)
{
string root_path = drive.DirectoryRoot.FullPath;
if (root_path == @"\")
{
root_path = string.Empty;
}
string relative_path = RemoveDrive(current_path.Path);
if (relative_path.Length == 0)
{
return(NtResult <string> .CreateResult($@"{root_path}"));
}
return(NtResult <string> .CreateResult($@"{root_path}\{relative_path}"));
}
return(NtResult <string> .CreateResultFromError(NtStatus.STATUS_OBJECT_PATH_NOT_FOUND, false));
}
private protected NtResult <O> ReOpen <O, X>(NtObjectWithDuplicate <O, X> obj) where O : NtObject where X : Enum
{
AccessMask mask = GenericAccessRights.MaximumAllowed;
using (var o = obj.ReOpen(mask.ToSpecificAccess <X>(), false))
{
if (o.IsSuccess)
{
return(o.Map(x => (O)x.DuplicateObject()));
}
}
AccessMask granted_mask = 0;
AccessMask valid_access = obj.NtType.ValidAccess;
uint test_mask = 1;
while (test_mask < 0x00200000)
{
if (valid_access.IsAccessGranted(test_mask))
{
mask = test_mask;
using (var o = obj.ReOpen(mask.ToSpecificAccess <X>(), false))
{
if (o.IsSuccess)
{
granted_mask |= test_mask;
}
}
}
test_mask <<= 1;
}
if (granted_mask.IsEmpty)
{
return(NtResult <O> .CreateResultFromError(NtStatus.STATUS_ACCESS_DENIED, false));
}
return(obj.ReOpen(granted_mask.ToSpecificAccess <X>(), false));
}