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// Copyright 2021 Colin Finck <colin@reactos.org>
// SPDX-License-Identifier: GPL-2.0-or-later
//
//! Various types of NTFS Attribute structured values.
mod attribute_list;
mod file_name;
mod index_allocation;
mod index_root;
mod object_id;
mod standard_information;
mod volume_information;
mod volume_name;
pub use attribute_list::*;
pub use file_name::*;
pub use index_allocation::*;
pub use index_root::*;
pub use object_id::*;
pub use standard_information::*;
pub use volume_information::*;
pub use volume_name::*;
use crate::attribute::NtfsAttributeType;
use crate::attribute_value::{NtfsAttributeValue, NtfsResidentAttributeValue};
use crate::error::Result;
use binread::io::{Read, Seek};
use bitflags::bitflags;
bitflags! {
/// Flags that a user can set for a file (Read-Only, Hidden, System, Archive, etc.).
/// Commonly called "File Attributes" in Windows Explorer.
///
/// Not to be confused with [`NtfsAttribute`].
///
/// Returned by [`NtfsStandardInformation::file_attributes`] and [`NtfsFileName::file_attributes`].
///
/// [`NtfsAttribute`]: crate::attribute::NtfsAttribute
pub struct NtfsFileAttributeFlags: u32 {
/// File is marked read-only.
const READ_ONLY = 0x0001;
/// File is hidden (in file browsers that care).
const HIDDEN = 0x0002;
/// File is marked as a system file.
const SYSTEM = 0x0004;
/// File is marked for archival (cf. <https://en.wikipedia.org/wiki/Archive_bit>).
const ARCHIVE = 0x0020;
/// File denotes a device.
const DEVICE = 0x0040;
/// Set when no other attributes are set.
const NORMAL = 0x0080;
/// File is a temporary file that is likely to be deleted.
const TEMPORARY = 0x0100;
/// File is stored sparsely.
const SPARSE_FILE = 0x0200;
/// File is a reparse point.
const REPARSE_POINT = 0x0400;
/// File is transparently compressed by the filesystem (using LZNT1 algorithm).
/// For directories, this attribute denotes that compression is enabled by default for new files inside that directory.
const COMPRESSED = 0x0800;
const OFFLINE = 0x1000;
/// File has not (yet) been indexed by the Windows Indexing Service.
const NOT_CONTENT_INDEXED = 0x2000;
/// File is encrypted via EFS.
/// For directories, this attribute denotes that encryption is enabled by default for new files inside that directory.
const ENCRYPTED = 0x4000;
/// File is a directory.
///
/// This attribute is only returned from [`NtfsFileName::file_attributes`].
const IS_DIRECTORY = 0x1000_0000;
}
}
/// Trait implemented by every NTFS attribute structured value.
pub trait NtfsStructuredValue<'n, 'f>: Sized {
const TY: NtfsAttributeType;
/// Create a structured value from an arbitrary `NtfsAttributeValue`.
fn from_attribute_value<T>(fs: &mut T, value: NtfsAttributeValue<'n, 'f>) -> Result<Self>
where
T: Read + Seek;
}
/// Trait implemented by NTFS Attribute structured values that are always in resident attributes.
pub trait NtfsStructuredValueFromResidentAttributeValue<'n, 'f>:
NtfsStructuredValue<'n, 'f>
{
/// Create a structured value from a resident attribute value.
///
/// This is a fast path for the few structured values that are always in resident attributes.
fn from_resident_attribute_value(value: NtfsResidentAttributeValue<'f>) -> Result<Self>;
}
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