smb_fscc/common_info.rs
1//! File Information Classes for getting/setting file information, and common structs.
2//!
3//! See [crate::QueryFileInfo] and [crate::SetFileInfo] enums.
4//!
5//! [MS-FSCC 2.4](<https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-fscc/4718fc40-e539-4014-8e33-b675af74e3e1>)
6
7#![allow(clippy::identity_op)]
8
9use std::ops::Deref;
10
11use binrw::{NullString, prelude::*};
12use modular_bitfield::prelude::*;
13
14use smb_dtyp::binrw_util::prelude::*;
15
16use crate::{ChainedItemList, FileAttributes};
17
18/// Query or Set file information.
19///
20/// [MS-FSCC 2.4.7](<https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-fscc/16023025-8a78-492f-8b96-c873b042ac50>)
21#[binrw::binrw]
22#[derive(Debug, PartialEq, Eq)]
23pub struct FileBasicInformation {
24 /// The time when the file was created.
25 pub creation_time: FileTime,
26 /// The time when the file was last accessed.
27 pub last_access_time: FileTime,
28 /// The time when data was last written to the file.
29 pub last_write_time: FileTime,
30 /// The time when the file was last changed.
31 pub change_time: FileTime,
32 /// The file attributes.
33 pub file_attributes: FileAttributes,
34 #[bw(calc = 0)]
35 #[br(temp)]
36 _reserved: u32,
37}
38
39/// Query or Set extended attribute (EA) information for a file.
40///
41/// [MS-FSCC 2.4.16](<https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-fscc/0eb94f48-6aac-41df-a878-79f4dcfd8989>)
42#[binrw::binrw]
43#[derive(Debug, PartialEq, Eq)]
44pub struct FileFullEaInformationInner {
45 /// Can contain zero or more of the following flag values. Unused bit fields should be set to 0.
46 pub flags: EaFlags,
47 #[bw(try_calc = ea_name.len().try_into())]
48 ea_name_length: u8,
49 #[bw(calc = ea_value.len() as u16)]
50 ea_value_length: u16,
51 /// The name of the extended attribute. This field is not null-terminated.
52 #[br(assert(ea_name.len() == ea_name_length as usize))]
53 pub ea_name: NullString,
54 /// The value of the extended attribute. This field can be zero bytes in length.
55 #[br(count = ea_value_length)]
56 pub ea_value: Vec<u8>,
57}
58
59/// Extended Attribute (EA) Flags
60///
61/// See [`FileFullEaInformationInner`]
62#[smb_dtyp::mbitfield]
63#[repr(u8)]
64pub struct EaFlags {
65 #[skip]
66 __: B7,
67 /// If this flag is set, the file to which the EA belongs cannot be interpreted by applications that do not understand EAs.
68 pub file_need_ea: bool,
69}
70
71pub type FileFullEaInformation = ChainedItemList<FileFullEaInformationInner, 4>;
72
73/// Query or Set file mode information.
74///
75/// [MS-FSCC 2.4.31](<https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-fscc/52df7798-8330-474b-ac31-9afe8075640c>)
76#[smb_dtyp::mbitfield]
77pub struct FileModeInformation {
78 #[skip]
79 __: bool,
80 /// When set, system caching is not performed on the file.
81 pub write_through: bool,
82 /// When set, all access to the file is sequential.
83 pub sequential_access: bool,
84 /// When set, the file cannot be cached or buffered in a driver's internal buffers.
85 pub no_intermediate_buffering: bool,
86
87 /// When set, all operations on the file are performed synchronously. Waits in the system to synchronize I/O queuing and completion are alertable.
88 pub synchronous_io_alert: bool,
89 /// When set, all operations on the file are performed synchronously. Waits in the system to synchronize I/O queuing and completion are not alertable.
90 pub synchronous_io_non_alert: bool,
91 #[skip]
92 __: B6,
93
94 /// When set, the file will be deleted when the last handle to the file is closed.
95 pub delete_on_close: bool,
96 #[skip]
97 __: B19,
98}
99
100/// Query or Set named pipe information.
101///
102/// [MS-FSCC 2.4.37](<https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-fscc/cd805dd2-9248-4024-ac0f-b87a702dd366>)
103#[binrw::binrw]
104#[derive(Debug, PartialEq, Eq)]
105pub struct FilePipeInformation {
106 /// The named pipe read mode.
107 pub read_mode: PipeReadMode,
108 /// The named pipe completion mode.
109 pub completion_mode: PipeCompletionMode,
110}
111
112/// Named pipe read mode values.
113#[binrw::binrw]
114#[derive(Debug, PartialEq, Eq)]
115#[brw(repr(u32))]
116pub enum PipeReadMode {
117 /// Data is read from the pipe as a stream of bytes.
118 Stream = 0,
119 /// Data is read from the pipe as a stream of messages.
120 Message = 1,
121}
122
123/// Named pipe completion mode values.
124#[binrw::binrw]
125#[derive(Debug, PartialEq, Eq)]
126#[brw(repr(u32))]
127pub enum PipeCompletionMode {
128 /// Blocking mode is enabled. When the pipe handle is specified in a call to the ReadFile or WriteFile function, the operations are not completed until there is data to read or all data is written.
129 Queue = 0,
130 /// Nonblocking mode is enabled. When the pipe handle is specified in a call to the ReadFile or WriteFile function, the operations complete immediately.
131 Complete = 1,
132}
133
134/// Query or Set the current byte offset of the file pointer.
135///
136/// [MS-FSCC 2.4.40](<https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-fscc/e3ce4a39-327e-495c-99b6-6b61606b6f16>)
137#[binrw::binrw]
138#[derive(Debug, PartialEq, Eq)]
139pub struct FilePositionInformation {
140 /// The byte offset of the file pointer from the beginning of the file.
141 pub current_byte_offset: u64,
142}
143
144/// Query the name of a file.
145///
146/// [MS-FSCC 2.4.32](<https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-fscc/cb30e415-54c5-4483-a346-822ea90e1e89>)
147#[binrw::binrw]
148#[derive(Debug, PartialEq, Eq)]
149pub struct FileNameInformation {
150 #[bw(try_calc = file_name.size().try_into())]
151 file_name_length: u32,
152 /// The full path name of the file.
153 #[br(args { size: SizedStringSize::bytes(file_name_length)})]
154 pub file_name: SizedWideString,
155}
156
157impl Deref for FileNameInformation {
158 type Target = SizedWideString;
159
160 fn deref(&self) -> &Self::Target {
161 &self.file_name
162 }
163}
164
165impl From<SizedWideString> for FileNameInformation {
166 fn from(value: SizedWideString) -> Self {
167 Self { file_name: value }
168 }
169}
170
171impl From<&str> for FileNameInformation {
172 fn from(value: &str) -> Self {
173 Self {
174 file_name: SizedWideString::from(value),
175 }
176 }
177}
178
179/// Reparse Tag Values
180///
181/// Each reparse point has a reparse tag.
182/// The reparse tag uniquely identifies the owner of that reparse point.
183/// The owner is the implementer of the file system filter driver associated with a reparse tag.
184///
185/// [MS-FSCC 2.1.2.1](<https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-fscc/c8e77b37-3909-4fe6-a4ea-2b9d423b1ee4>):
186#[binrw::binrw]
187#[derive(Debug, PartialEq, Eq)]
188#[repr(u32)]
189#[brw(repr(u32))]
190pub enum ReparseTag {
191 /// Reserved reparse tag value.
192 ReservedZero = 0x00000000,
193
194 /// Reserved reparse tag value.
195 ReservedOne = 0x00000001,
196
197 /// Reserved reparse tag value.
198 ReservedTwo = 0x00000002,
199
200 /// Used for mount point support, specified in section 2.1.2.5.
201 MountPoint = 0xA0000003,
202
203 /// Obsolete. Used by legacy Hierarchical Storage Manager Product.
204 HSM = 0xC0000004,
205
206 /// Home server drive extender.<3>
207 DriveExtender = 0x80000005,
208
209 /// Obsolete. Used by legacy Hierarchical Storage Manager Product.
210 HSM2 = 0x80000006,
211
212 /// Used by single-instance storage (SIS) filter driver. Server-side interpretation only, not meaningful over the wire.
213 SIS = 0x80000007,
214
215 /// Used by the WIM Mount filter. Server-side interpretation only, not meaningful over the wire.
216 WIM = 0x80000008,
217
218 /// Obsolete. Used by Clustered Shared Volumes (CSV) version 1 in Windows Server 2008 R2 operating system. Server-side interpretation only, not meaningful over the wire.
219 CSV = 0x80000009,
220
221 /// Used by the DFS filter. The DFS is described in the Distributed File System (DFS): Referral Protocol Specification [MS-DFSC]. Server-side interpretation only, not meaningful over the wire.
222 DFS = 0x8000000A,
223
224 /// Used by filter manager test harness.<4>
225 FilterManager = 0x8000000B,
226
227 /// Used for symbolic link support. See section 2.1.2.4.
228 Symlink = 0xA000000C,
229
230 /// Used by Microsoft Internet Information Services (IIS) caching. Server-side interpretation only, not meaningful over the wire.
231 IISCache = 0xA0000010,
232
233 /// Used by the DFS filter. The DFS is described in [MS-DFSC]. Server-side interpretation only, not meaningful over the wire.
234 DFSR = 0x80000012,
235
236 /// Used by the Data Deduplication (Dedup) filter. Server-side interpretation only, not meaningful over the wire.
237 Dedup = 0x80000013,
238
239 /// Not used.
240 Appxstrm = 0xC0000014,
241
242 /// Used by the Network File System (NFS) component. Server-side interpretation only, not meaningful over the wire.
243 NFS = 0x80000014,
244
245 /// Obsolete. Used by Windows Shell for legacy placeholder files in Windows 8.1. Server-side interpretation only, not meaningful over the wire.
246 FilePlaceholder = 0x80000015,
247
248 /// Used by the Dynamic File filter. Server-side interpretation only, not meaningful over the wire.
249 DFM = 0x80000016,
250
251 /// Used by the Windows Overlay filter, for either WIMBoot or single-file compression. Server-side interpretation only, not meaningful over the wire.
252 WOF = 0x80000017,
253
254 /// Used by the Windows Container Isolation filter. Server-side interpretation only, not meaningful over the wire.
255 WCI = 0x80000018,
256
257 /// Used by the Windows Container Isolation filter. Server-side interpretation only, not meaningful over the wire.
258 Wci1 = 0x90001018,
259
260 /// Used by NPFS to indicate a named pipe symbolic link from a server silo into the host silo. Server-side interpretation only, not meaningful over the wire.
261 GlobalReparse = 0xA0000019,
262
263 /// Used by the Cloud Files filter, for files managed by a sync engine such as Microsoft OneDrive. Server-side interpretation only, not meaningful over the wire.
264 Cloud = 0x9000001A,
265
266 /// Used by the Cloud Files filter, for files managed by a sync engine such as OneDrive. Server-side interpretation only, not meaningful over the wire.
267 Cloud1 = 0x9000101A,
268
269 /// Used by the Cloud Files filter, for files managed by a sync engine such as OneDrive. Server-side interpretation only, not meaningful over the wire.
270 Cloud2 = 0x9000201A,
271
272 /// Used by the Cloud Files filter, for files managed by a sync engine such as OneDrive. Server-side interpretation only, not meaningful over the wire.
273 Cloud3 = 0x9000301A,
274
275 /// Used by the Cloud Files filter, for files managed by a sync engine such as OneDrive. Server-side interpretation only, not meaningful over the wire.
276 Cloud4 = 0x9000401A,
277
278 /// Used by the Cloud Files filter, for files managed by a sync engine such as OneDrive. Server-side interpretation only, not meaningful over the wire.
279 Cloud5 = 0x9000501A,
280
281 /// Used by the Cloud Files filter, for files managed by a sync engine such as OneDrive. Server-side interpretation only, not meaningful over the wire.
282 Cloud6 = 0x9000601A,
283
284 /// Used by the Cloud Files filter, for files managed by a sync engine such as OneDrive. Server-side interpretation only, not meaningful over the wire.
285 Cloud7 = 0x9000701A,
286
287 /// Used by the Cloud Files filter, for files managed by a sync engine such as OneDrive. Server-side interpretation only, not meaningful over the wire.
288 Cloud8 = 0x9000801A,
289
290 /// Used by the Cloud Files filter, for files managed by a sync engine such as OneDrive. Server-side interpretation only, not meaningful over the wire.
291 Cloud9 = 0x9000901A,
292
293 /// Used by the Cloud Files filter, for files managed by a sync engine such as OneDrive. Server-side interpretation only, not meaningful over the wire.
294 CloudA = 0x9000A01A,
295
296 /// Used by the Cloud Files filter, for files managed by a sync engine such as OneDrive. Server-side interpretation only, not meaningful over the wire.
297 CloudB = 0x9000B01A,
298
299 /// Used by the Cloud Files filter, for files managed by a sync engine such as OneDrive. Server-side interpretation only, not meaningful over the wire.
300 CloudC = 0x9000C01A,
301
302 /// Used by the Cloud Files filter, for files managed by a sync engine such as OneDrive. Server-side interpretation only, not meaningful over the wire.
303 CloudD = 0x9000D01A,
304
305 /// Used by the Cloud Files filter, for files managed by a sync engine such as OneDrive. Server-side interpretation only, not meaningful over the wire.
306 CloudE = 0x9000E01A,
307
308 /// Used by the Cloud Files filter, for files managed by a sync engine such as OneDrive. Server-side interpretation only, not meaningful over the wire.
309 CloudF = 0x9000F01A,
310
311 /// Used by Universal Windows Platform (UWP) packages to encode information that allows the application to be launched by CreateProcess. Server-side interpretation only, not meaningful over the wire.
312 Appexeclink = 0x8000001B,
313
314 /// Used by the Windows Projected File System filter, for files managed by a user mode provider such as VFS for Git. Server-side interpretation only, not meaningful over the wire.
315 Projfs = 0x9000001C,
316
317 /// Used by the Windows Subsystem for Linux (WSL) to represent a UNIX symbolic link. Server-side interpretation only, not meaningful over the wire.
318 LxSymlink = 0xA000001D,
319
320 /// Used by the Azure File Sync (AFS) filter. Server-side interpretation only, not meaningful over the wire.
321 StorageSync = 0x8000001E,
322
323 /// Used by the Azure File Sync (AFS) filter for folder. Server-side interpretation only, not meaningful over the wire.
324 StorageSyncFolder = 0x90000027,
325
326 /// Used by the Windows Container Isolation filter. Server-side interpretation only, not meaningful over the wire.
327 WciTombstone = 0xA000001F,
328
329 /// Used by the Windows Container Isolation filter. Server-side interpretation only, not meaningful over the wire.
330 Unhandled = 0x80000020,
331
332 /// Not used.
333 Onedrive = 0x80000021,
334
335 /// Used by the Windows Projected File System filter, for files managed by a user mode provider such as VFS for Git. Server-side interpretation only, not meaningful over the wire.
336 ProjfsTombstone = 0xA0000022,
337
338 /// Used by the Windows Subsystem for Linux (WSL) to represent a UNIX domain socket. Server-side interpretation only, not meaningful over the wire.
339 AfUnix = 0x80000023,
340
341 /// Used by the Windows Subsystem for Linux (WSL) to represent a UNIX FIFO (named pipe). Server-side interpretation only, not meaningful over the wire.
342 LxFifo = 0x80000024,
343
344 /// Used by the Windows Subsystem for Linux (WSL) to represent a UNIX character special file. Server-side interpretation only, not meaningful over the wire.
345 LxChr = 0x80000025,
346
347 /// Used by the Windows Subsystem for Linux (WSL) to represent a UNIX block special file. Server-side interpretation only, not meaningful over the wire.
348 LxBlk = 0x80000026,
349
350 /// Used by the Windows Container Isolation filter. Server-side interpretation only, not meaningful over the wire.
351 WciLink = 0xA0000027,
352
353 /// Used by the Windows Container Isolation filter. Server-side interpretation only, not meaningful over the wire.
354 WciLink1 = 0xA0001027,
355}
356
357#[cfg(test)]
358mod tests {
359 use super::*;
360 use smb_tests::*;
361
362 test_binrw! {
363 FileFullEaInformation: FileFullEaInformation::from(vec![
364 FileFullEaInformationInner {
365 flags: EaFlags::new(),
366 ea_name: "$CI.CATALOGHINT".into(),
367 ea_value: vec![0x1, 0x0, 0x63, 0x0, 0x4d, 0x69, 0x63, 0x72, 0x6f, 0x73, 0x6f, 0x66, 0x74, 0x2d, 0x57, 0x69, 0x6e, 0x64, 0x6f, 0x77, 0x73, 0x2d, 0x43, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x2d, 0x44, 0x65, 0x73, 0x6b, 0x74, 0x6f, 0x70, 0x2d, 0x52, 0x65, 0x71, 0x75, 0x69, 0x72, 0x65, 0x64, 0x2d, 0x50, 0x61, 0x63, 0x6b, 0x61, 0x67, 0x65, 0x30, 0x34, 0x31, 0x30, 0x32, 0x31, 0x7e, 0x33, 0x31, 0x62, 0x66, 0x33, 0x38, 0x35, 0x36, 0x61, 0x64, 0x33, 0x36, 0x34, 0x65, 0x33, 0x35, 0x7e, 0x61, 0x72, 0x6d, 0x36, 0x34, 0x7e, 0x7e, 0x31, 0x30, 0x2e, 0x30, 0x2e, 0x32, 0x32, 0x36, 0x32, 0x31, 0x2e, 0x35, 0x31, 0x38, 0x35, 0x2e, 0x63, 0x61, 0x74]
368 },
369 FileFullEaInformationInner {
370 flags: EaFlags::new(),
371 ea_name: "SKTEXT".into(),
372 ea_value: vec![0x54, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20, 0x6e, 0x6f, 0x74, 0x20, 0x72, 0x65, 0x61, 0x6c, 0x6c, 0x79, 0x20, 0x74, 0x68, 0x65, 0x20, 0x53, 0x4b, 0x2c, 0x20, 0x69, 0x74, 0x20, 0x69, 0x73, 0x20, 0x6a, 0x75, 0x73, 0x74, 0x20, 0x73, 0x6f, 0x6d, 0x65, 0x20, 0x66, 0x61, 0x6b, 0x65, 0x20, 0x74, 0x6f, 0x20, 0x68, 0x61, 0x76, 0x65, 0x20, 0x73, 0x6f, 0x6d, 0x65, 0x20, 0x66, 0x75, 0x6e, 0x0]
373 },
374 ]) => "80000000000f67002443492e434154414c4f4748494e5400010063004d6963726f736f66742d57696e646f77732d436c69656e742d4465736b746f702d52657175697265642d5061636b6167653034313032317e333162663338353661643336346533357e61726d36347e7e31302e302e32323632312e353138352e636174000000000000064100534b544558540054686973206973206e6f74207265616c6c792074686520534b2c206974206973206a75737420736f6d652066616b6520746f206861766520736f6d652066756e00"
375 }
376
377 test_binrw! {
378 struct FilePipeInformation {
379 read_mode: PipeReadMode::Message,
380 completion_mode: PipeCompletionMode::Queue,
381 } => "0100000000000000"
382 }
383}