878ddf1f |
1 | /*++\r |
2 | \r |
fa332de7 |
3 | Copyright (c) 2006 - 2007, Intel Corporation\r |
4 | All rights reserved. This program and the accompanying materials\r |
5 | are licensed and made available under the terms and conditions of the BSD License\r |
6 | which accompanies this distribution. The full text of the license may be found at\r |
7 | http://opensource.org/licenses/bsd-license.php\r |
8 | \r |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
878ddf1f |
11 | \r |
12 | Module Name:\r |
13 | \r |
14 | WinNtSimpleFileSystem.c\r |
15 | \r |
16 | Abstract:\r |
17 | \r |
18 | Produce Simple File System abstractions for directories on your PC using Win32 APIs.\r |
fa332de7 |
19 | The configuration of what devices to mount or emulate comes from NT\r |
20 | environment variables. The variables must be visible to the Microsoft*\r |
878ddf1f |
21 | Developer Studio for them to work.\r |
22 | \r |
23 | * Other names and brands may be claimed as the property of others.\r |
24 | \r |
25 | --*/\r |
26 | \r |
27 | #include "WinNtSimpleFileSystem.h"\r |
28 | \r |
29 | EFI_DRIVER_BINDING_PROTOCOL gWinNtSimpleFileSystemDriverBinding = {\r |
30 | WinNtSimpleFileSystemDriverBindingSupported,\r |
31 | WinNtSimpleFileSystemDriverBindingStart,\r |
32 | WinNtSimpleFileSystemDriverBindingStop,\r |
8b018de6 |
33 | 0xa,\r |
878ddf1f |
34 | NULL,\r |
35 | NULL\r |
36 | };\r |
37 | \r |
38 | \r |
39 | CHAR16 *\r |
40 | EfiStrChr (\r |
41 | IN CHAR16 *Str,\r |
42 | IN CHAR16 Chr\r |
43 | )\r |
44 | /*++\r |
45 | \r |
46 | Routine Description:\r |
47 | \r |
48 | Locate the first occurance of a character in a string.\r |
49 | \r |
50 | Arguments:\r |
51 | \r |
52 | Str - Pointer to NULL terminated unicode string.\r |
53 | Chr - Character to locate.\r |
54 | \r |
55 | Returns:\r |
56 | \r |
57 | If Str is NULL, then NULL is returned.\r |
58 | If Chr is not contained in Str, then NULL is returned.\r |
59 | If Chr is contained in Str, then a pointer to the first occurance of Chr in Str is returned.\r |
60 | \r |
61 | --*/\r |
62 | {\r |
63 | if (Str == NULL) {\r |
64 | return Str;\r |
65 | }\r |
66 | \r |
67 | while (*Str != '\0' && *Str != Chr) {\r |
68 | ++Str;\r |
69 | }\r |
70 | \r |
71 | return (*Str == Chr) ? Str : NULL;\r |
72 | }\r |
73 | \r |
74 | BOOLEAN\r |
75 | IsZero (\r |
76 | IN VOID *Buffer,\r |
77 | IN UINTN Length\r |
78 | )\r |
79 | /*++\r |
80 | \r |
81 | Routine Description:\r |
82 | \r |
83 | TODO: Add function description\r |
84 | \r |
85 | Arguments:\r |
86 | \r |
87 | Buffer - TODO: add argument description\r |
88 | Length - TODO: add argument description\r |
89 | \r |
90 | Returns:\r |
91 | \r |
92 | TODO: add return values\r |
93 | \r |
94 | --*/\r |
95 | {\r |
96 | if (Buffer == NULL || Length == 0) {\r |
97 | return FALSE;\r |
98 | }\r |
99 | \r |
100 | if (*(UINT8 *) Buffer != 0) {\r |
101 | return FALSE;\r |
102 | }\r |
103 | \r |
104 | if (Length > 1) {\r |
105 | if (!CompareMem (Buffer, (UINT8 *) Buffer + 1, Length - 1)) {\r |
106 | return FALSE;\r |
107 | }\r |
108 | }\r |
109 | \r |
110 | return TRUE;\r |
111 | }\r |
112 | \r |
113 | VOID\r |
114 | CutPrefix (\r |
115 | IN CHAR16 *Str,\r |
116 | IN UINTN Count\r |
117 | )\r |
118 | /*++\r |
119 | \r |
120 | Routine Description:\r |
121 | \r |
122 | TODO: Add function description\r |
123 | \r |
124 | Arguments:\r |
125 | \r |
126 | Str - TODO: add argument description\r |
127 | Count - TODO: add argument description\r |
128 | \r |
129 | Returns:\r |
130 | \r |
131 | TODO: add return values\r |
132 | \r |
133 | --*/\r |
134 | {\r |
135 | CHAR16 *Pointer;\r |
136 | \r |
137 | if (StrLen (Str) < Count) {\r |
138 | ASSERT (0);\r |
139 | }\r |
140 | \r |
cb360b26 |
141 | if (Count != 0) {\r |
142 | for (Pointer = Str; *(Pointer + Count); Pointer++) {\r |
143 | *Pointer = *(Pointer + Count);\r |
144 | }\r |
fa332de7 |
145 | *Pointer = *(Pointer + Count);\r |
878ddf1f |
146 | }\r |
878ddf1f |
147 | }\r |
148 | \r |
149 | \r |
150 | \r |
151 | EFI_STATUS\r |
152 | EFIAPI\r |
153 | WinNtSimpleFileSystemDriverBindingSupported (\r |
154 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
155 | IN EFI_HANDLE ControllerHandle,\r |
156 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r |
157 | )\r |
158 | /*++\r |
159 | \r |
160 | Routine Description:\r |
161 | \r |
162 | Check to see if the driver supports a given controller.\r |
163 | \r |
164 | Arguments:\r |
165 | \r |
166 | This - A pointer to an instance of the EFI_DRIVER_BINDING_PROTOCOL.\r |
167 | \r |
168 | ControllerHandle - EFI handle of the controller to test.\r |
169 | \r |
170 | RemainingDevicePath - Pointer to remaining portion of a device path.\r |
171 | \r |
172 | Returns:\r |
173 | \r |
174 | EFI_SUCCESS - The device specified by ControllerHandle and RemainingDevicePath is supported by the driver\r |
175 | specified by This.\r |
176 | \r |
177 | EFI_ALREADY_STARTED - The device specified by ControllerHandle and RemainingDevicePath is already being managed by\r |
178 | the driver specified by This.\r |
179 | \r |
180 | EFI_ACCESS_DENIED - The device specified by ControllerHandle and RemainingDevicePath is already being managed by\r |
181 | a different driver or an application that requires exclusive access.\r |
182 | \r |
183 | EFI_UNSUPPORTED - The device specified by ControllerHandle and RemainingDevicePath is not supported by the\r |
184 | driver specified by This.\r |
185 | \r |
186 | --*/\r |
187 | {\r |
188 | EFI_STATUS Status;\r |
189 | EFI_WIN_NT_IO_PROTOCOL *WinNtIo;\r |
190 | \r |
191 | //\r |
192 | // Open the IO Abstraction(s) needed to perform the supported test\r |
193 | //\r |
194 | Status = gBS->OpenProtocol (\r |
195 | ControllerHandle,\r |
196 | &gEfiWinNtIoProtocolGuid,\r |
197 | &WinNtIo,\r |
198 | This->DriverBindingHandle,\r |
199 | ControllerHandle,\r |
200 | EFI_OPEN_PROTOCOL_BY_DRIVER\r |
201 | );\r |
202 | if (EFI_ERROR (Status)) {\r |
203 | return Status;\r |
204 | }\r |
205 | \r |
206 | //\r |
207 | // Make sure GUID is for a File System handle.\r |
208 | //\r |
209 | Status = EFI_UNSUPPORTED;\r |
210 | if (CompareGuid (WinNtIo->TypeGuid, &gEfiWinNtFileSystemGuid)) {\r |
211 | Status = EFI_SUCCESS;\r |
212 | }\r |
213 | \r |
214 | //\r |
215 | // Close the I/O Abstraction(s) used to perform the supported test\r |
216 | //\r |
217 | gBS->CloseProtocol (\r |
218 | ControllerHandle,\r |
219 | &gEfiWinNtIoProtocolGuid,\r |
220 | This->DriverBindingHandle,\r |
221 | ControllerHandle\r |
222 | );\r |
223 | \r |
224 | return Status;\r |
225 | }\r |
226 | \r |
227 | EFI_STATUS\r |
228 | EFIAPI\r |
229 | WinNtSimpleFileSystemDriverBindingStart (\r |
230 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
231 | IN EFI_HANDLE ControllerHandle,\r |
232 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r |
233 | )\r |
234 | /*++\r |
235 | \r |
236 | Routine Description:\r |
237 | \r |
238 | Starts a device controller or a bus controller.\r |
239 | \r |
240 | Arguments:\r |
241 | \r |
242 | This - A pointer to an instance of the EFI_DRIVER_BINDING_PROTOCOL.\r |
243 | \r |
244 | ControllerHandle - EFI handle of the controller to start.\r |
245 | \r |
246 | RemainingDevicePath - Pointer to remaining portion of a device path.\r |
247 | \r |
248 | Returns:\r |
249 | \r |
250 | EFI_SUCCESS - The device or bus controller has been started.\r |
251 | \r |
252 | EFI_DEVICE_ERROR - The device could not be started due to a device failure.\r |
253 | \r |
254 | EFI_OUT_OF_RESOURCES - The request could not be completed due to lack of resources.\r |
255 | \r |
256 | --*/\r |
257 | {\r |
258 | EFI_STATUS Status;\r |
259 | EFI_WIN_NT_IO_PROTOCOL *WinNtIo;\r |
260 | WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE *Private;\r |
261 | \r |
262 | Private = NULL;\r |
263 | \r |
264 | //\r |
265 | // Open the IO Abstraction(s) needed\r |
266 | //\r |
267 | Status = gBS->OpenProtocol (\r |
268 | ControllerHandle,\r |
269 | &gEfiWinNtIoProtocolGuid,\r |
270 | &WinNtIo,\r |
271 | This->DriverBindingHandle,\r |
272 | ControllerHandle,\r |
273 | EFI_OPEN_PROTOCOL_BY_DRIVER\r |
274 | );\r |
275 | if (EFI_ERROR (Status)) {\r |
276 | return Status;\r |
277 | }\r |
278 | \r |
279 | //\r |
280 | // Validate GUID\r |
281 | //\r |
282 | if (!CompareGuid (WinNtIo->TypeGuid, &gEfiWinNtFileSystemGuid)) {\r |
283 | Status = EFI_UNSUPPORTED;\r |
284 | goto Done;\r |
285 | }\r |
286 | \r |
fa332de7 |
287 | Private = AllocatePool (sizeof (WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE));\r |
288 | if (Private == NULL) {\r |
289 | Status = EFI_OUT_OF_RESOURCES;\r |
290 | \r |
878ddf1f |
291 | goto Done;\r |
292 | }\r |
293 | \r |
294 | Private->Signature = WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE_SIGNATURE;\r |
295 | Private->WinNtThunk = WinNtIo->WinNtThunk;\r |
296 | \r |
297 | Private->FilePath = WinNtIo->EnvString;\r |
298 | \r |
fa332de7 |
299 | Private->VolumeLabel = AllocatePool (StrSize (L"EFI_EMULATED"));\r |
300 | if (Private->VolumeLabel == NULL) {\r |
301 | Status = EFI_OUT_OF_RESOURCES;\r |
878ddf1f |
302 | goto Done;\r |
303 | }\r |
304 | \r |
305 | StrCpy (Private->VolumeLabel, L"EFI_EMULATED");\r |
306 | \r |
307 | Private->SimpleFileSystem.Revision = EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION;\r |
308 | Private->SimpleFileSystem.OpenVolume = WinNtSimpleFileSystemOpenVolume;\r |
309 | \r |
310 | Private->WinNtThunk->SetErrorMode (SEM_FAILCRITICALERRORS);\r |
311 | \r |
312 | Private->ControllerNameTable = NULL;\r |
313 | \r |
314 | AddUnicodeString (\r |
315 | "eng",\r |
316 | gWinNtSimpleFileSystemComponentName.SupportedLanguages,\r |
317 | &Private->ControllerNameTable,\r |
318 | WinNtIo->EnvString\r |
319 | );\r |
320 | \r |
321 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
322 | &ControllerHandle,\r |
323 | &gEfiSimpleFileSystemProtocolGuid,\r |
324 | &Private->SimpleFileSystem,\r |
325 | NULL\r |
326 | );\r |
327 | \r |
328 | Done:\r |
329 | if (EFI_ERROR (Status)) {\r |
330 | \r |
331 | if (Private != NULL) {\r |
332 | \r |
333 | FreeUnicodeStringTable (Private->ControllerNameTable);\r |
334 | \r |
fa332de7 |
335 | FreePool (Private);\r |
878ddf1f |
336 | }\r |
337 | \r |
338 | gBS->CloseProtocol (\r |
339 | ControllerHandle,\r |
340 | &gEfiWinNtIoProtocolGuid,\r |
341 | This->DriverBindingHandle,\r |
342 | ControllerHandle\r |
343 | );\r |
344 | }\r |
345 | \r |
346 | return Status;\r |
347 | }\r |
348 | \r |
349 | EFI_STATUS\r |
350 | EFIAPI\r |
351 | WinNtSimpleFileSystemDriverBindingStop (\r |
352 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
353 | IN EFI_HANDLE ControllerHandle,\r |
354 | IN UINTN NumberOfChildren,\r |
355 | IN EFI_HANDLE *ChildHandleBuffer\r |
356 | )\r |
357 | /*++\r |
358 | \r |
359 | Routine Description:\r |
360 | \r |
361 | TODO: Add function description\r |
362 | \r |
363 | Arguments:\r |
364 | \r |
365 | This - A pointer to an instance of the EFI_DRIVER_BINDING_PROTOCOL.\r |
366 | \r |
367 | ControllerHandle - A handle to the device to be stopped.\r |
368 | \r |
369 | NumberOfChildren - The number of child device handles in ChildHandleBuffer.\r |
370 | \r |
371 | ChildHandleBuffer - An array of child device handles to be freed.\r |
372 | \r |
373 | Returns:\r |
374 | \r |
375 | EFI_SUCCESS - The device has been stopped.\r |
376 | \r |
377 | EFI_DEVICE_ERROR - The device could not be stopped due to a device failure.\r |
378 | \r |
379 | --*/\r |
380 | // TODO: EFI_UNSUPPORTED - add return value to function comment\r |
381 | {\r |
382 | EFI_STATUS Status;\r |
383 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *SimpleFileSystem;\r |
384 | WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE *Private;\r |
385 | \r |
386 | //\r |
387 | // Get our context back\r |
388 | //\r |
389 | Status = gBS->OpenProtocol (\r |
390 | ControllerHandle,\r |
391 | &gEfiSimpleFileSystemProtocolGuid,\r |
392 | &SimpleFileSystem,\r |
393 | This->DriverBindingHandle,\r |
394 | ControllerHandle,\r |
395 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r |
396 | );\r |
397 | if (EFI_ERROR (Status)) {\r |
398 | return EFI_UNSUPPORTED;\r |
399 | }\r |
400 | \r |
401 | Private = WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (SimpleFileSystem);\r |
402 | \r |
403 | //\r |
404 | // Uninstall the Simple File System Protocol from ControllerHandle\r |
405 | //\r |
406 | Status = gBS->UninstallMultipleProtocolInterfaces (\r |
407 | ControllerHandle,\r |
408 | &gEfiSimpleFileSystemProtocolGuid,\r |
409 | &Private->SimpleFileSystem,\r |
410 | NULL\r |
411 | );\r |
412 | if (!EFI_ERROR (Status)) {\r |
413 | Status = gBS->CloseProtocol (\r |
414 | ControllerHandle,\r |
415 | &gEfiWinNtIoProtocolGuid,\r |
416 | This->DriverBindingHandle,\r |
417 | ControllerHandle\r |
418 | );\r |
419 | }\r |
420 | \r |
421 | if (!EFI_ERROR (Status)) {\r |
422 | //\r |
423 | // Free our instance data\r |
424 | //\r |
425 | FreeUnicodeStringTable (Private->ControllerNameTable);\r |
426 | \r |
fa332de7 |
427 | FreePool (Private);\r |
878ddf1f |
428 | }\r |
429 | \r |
430 | return Status;\r |
431 | }\r |
432 | \r |
433 | EFI_STATUS\r |
434 | EFIAPI\r |
435 | WinNtSimpleFileSystemOpenVolume (\r |
436 | IN EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *This,\r |
437 | OUT EFI_FILE **Root\r |
438 | )\r |
439 | /*++\r |
440 | \r |
441 | Routine Description:\r |
442 | \r |
443 | Open the root directory on a volume.\r |
444 | \r |
445 | Arguments:\r |
446 | \r |
447 | This - A pointer to the volume to open.\r |
448 | \r |
449 | Root - A pointer to storage for the returned opened file handle of the root directory.\r |
450 | \r |
451 | Returns:\r |
452 | \r |
453 | EFI_SUCCESS - The volume was opened.\r |
454 | \r |
455 | EFI_UNSUPPORTED - The volume does not support the requested file system type.\r |
456 | \r |
457 | EFI_NO_MEDIA - The device has no media.\r |
458 | \r |
459 | EFI_DEVICE_ERROR - The device reported an error.\r |
460 | \r |
461 | EFI_VOLUME_CORRUPTED - The file system structures are corrupted.\r |
462 | \r |
463 | EFI_ACCESS_DENIED - The service denied access to the file.\r |
464 | \r |
465 | EFI_OUT_OF_RESOURCES - The file volume could not be opened due to lack of resources.\r |
466 | \r |
467 | EFI_MEDIA_CHANGED - The device has new media or the media is no longer supported.\r |
468 | \r |
469 | --*/\r |
470 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
471 | {\r |
472 | EFI_STATUS Status;\r |
473 | WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE *Private;\r |
474 | WIN_NT_EFI_FILE_PRIVATE *PrivateFile;\r |
1a682c8c |
475 | EFI_TPL OldTpl;\r |
878ddf1f |
476 | \r |
477 | if (This == NULL || Root == NULL) {\r |
478 | return EFI_INVALID_PARAMETER;\r |
479 | }\r |
480 | \r |
1a682c8c |
481 | OldTpl = gBS->RaiseTPL (EFI_TPL_CALLBACK);\r |
482 | \r |
878ddf1f |
483 | Private = WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (This);\r |
484 | \r |
fa332de7 |
485 | PrivateFile = AllocatePool (sizeof (WIN_NT_EFI_FILE_PRIVATE));\r |
486 | if (PrivateFile == NULL) {\r |
487 | Status = EFI_OUT_OF_RESOURCES;\r |
878ddf1f |
488 | goto Done;\r |
489 | }\r |
490 | \r |
fa332de7 |
491 | PrivateFile->FileName = AllocatePool (StrSize (Private->FilePath));\r |
492 | if (PrivateFile->FileName == NULL) {\r |
493 | Status = EFI_OUT_OF_RESOURCES;\r |
878ddf1f |
494 | goto Done;\r |
495 | }\r |
496 | \r |
fa332de7 |
497 | PrivateFile->FilePath = AllocatePool (StrSize (Private->FilePath));\r |
498 | if (PrivateFile->FilePath == NULL) {\r |
499 | Status = EFI_OUT_OF_RESOURCES;\r |
878ddf1f |
500 | goto Done;\r |
501 | }\r |
502 | \r |
503 | StrCpy (PrivateFile->FilePath, Private->FilePath);\r |
504 | StrCpy (PrivateFile->FileName, PrivateFile->FilePath);\r |
505 | PrivateFile->Signature = WIN_NT_EFI_FILE_PRIVATE_SIGNATURE;\r |
506 | PrivateFile->WinNtThunk = Private->WinNtThunk;\r |
507 | PrivateFile->SimpleFileSystem = This;\r |
508 | PrivateFile->IsRootDirectory = TRUE;\r |
509 | PrivateFile->IsDirectoryPath = TRUE;\r |
510 | PrivateFile->IsOpenedByRead = TRUE;\r |
511 | PrivateFile->EfiFile.Revision = EFI_FILE_HANDLE_REVISION;\r |
512 | PrivateFile->EfiFile.Open = WinNtSimpleFileSystemOpen;\r |
513 | PrivateFile->EfiFile.Close = WinNtSimpleFileSystemClose;\r |
514 | PrivateFile->EfiFile.Delete = WinNtSimpleFileSystemDelete;\r |
515 | PrivateFile->EfiFile.Read = WinNtSimpleFileSystemRead;\r |
516 | PrivateFile->EfiFile.Write = WinNtSimpleFileSystemWrite;\r |
517 | PrivateFile->EfiFile.GetPosition = WinNtSimpleFileSystemGetPosition;\r |
518 | PrivateFile->EfiFile.SetPosition = WinNtSimpleFileSystemSetPosition;\r |
519 | PrivateFile->EfiFile.GetInfo = WinNtSimpleFileSystemGetInfo;\r |
520 | PrivateFile->EfiFile.SetInfo = WinNtSimpleFileSystemSetInfo;\r |
521 | PrivateFile->EfiFile.Flush = WinNtSimpleFileSystemFlush;\r |
522 | PrivateFile->LHandle = INVALID_HANDLE_VALUE;\r |
523 | PrivateFile->DirHandle = INVALID_HANDLE_VALUE;\r |
524 | PrivateFile->IsValidFindBuf = FALSE;\r |
fa332de7 |
525 | \r |
878ddf1f |
526 | *Root = &PrivateFile->EfiFile;\r |
527 | \r |
528 | Status = EFI_SUCCESS;\r |
529 | \r |
530 | Done:\r |
531 | if (EFI_ERROR (Status)) {\r |
532 | if (PrivateFile) {\r |
533 | if (PrivateFile->FileName) {\r |
fa332de7 |
534 | FreePool (PrivateFile->FileName);\r |
878ddf1f |
535 | }\r |
536 | \r |
537 | if (PrivateFile->FilePath) {\r |
fa332de7 |
538 | FreePool (PrivateFile->FilePath);\r |
878ddf1f |
539 | }\r |
540 | \r |
fa332de7 |
541 | FreePool (PrivateFile);\r |
878ddf1f |
542 | }\r |
543 | }\r |
544 | \r |
1a682c8c |
545 | gBS->RestoreTPL (OldTpl);\r |
546 | \r |
878ddf1f |
547 | return Status;\r |
548 | }\r |
549 | \r |
550 | EFI_STATUS\r |
551 | EFIAPI\r |
552 | WinNtSimpleFileSystemOpen (\r |
553 | IN EFI_FILE *This,\r |
554 | OUT EFI_FILE **NewHandle,\r |
555 | IN CHAR16 *FileName,\r |
556 | IN UINT64 OpenMode,\r |
557 | IN UINT64 Attributes\r |
558 | )\r |
559 | /*++\r |
560 | \r |
561 | Routine Description:\r |
562 | \r |
563 | Open a file relative to the source file location.\r |
564 | \r |
565 | Arguments:\r |
566 | \r |
567 | This - A pointer to the source file location.\r |
568 | \r |
569 | NewHandle - Pointer to storage for the new file handle.\r |
570 | \r |
571 | FileName - Pointer to the file name to be opened.\r |
572 | \r |
573 | OpenMode - File open mode information.\r |
574 | \r |
575 | Attributes - File creation attributes.\r |
576 | \r |
577 | Returns:\r |
578 | \r |
579 | EFI_SUCCESS - The file was opened.\r |
580 | \r |
581 | EFI_NOT_FOUND - The file could not be found in the volume.\r |
582 | \r |
583 | EFI_NO_MEDIA - The device has no media.\r |
584 | \r |
585 | EFI_MEDIA_CHANGED - The device has new media or the media is no longer supported.\r |
586 | \r |
587 | EFI_DEVICE_ERROR - The device reported an error.\r |
588 | \r |
589 | EFI_VOLUME_CORRUPTED - The file system structures are corrupted.\r |
590 | \r |
591 | EFI_WRITE_PROTECTED - The volume or file is write protected.\r |
592 | \r |
593 | EFI_ACCESS_DENIED - The service denied access to the file.\r |
594 | \r |
595 | EFI_OUT_OF_RESOURCES - Not enough resources were available to open the file.\r |
596 | \r |
597 | EFI_VOLUME_FULL - There is not enough space left to create the new file.\r |
598 | \r |
599 | --*/\r |
600 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
601 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
602 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
603 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
604 | {\r |
605 | EFI_FILE *Root;\r |
606 | WIN_NT_EFI_FILE_PRIVATE *PrivateFile;\r |
607 | WIN_NT_EFI_FILE_PRIVATE *NewPrivateFile;\r |
608 | WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE *PrivateRoot;\r |
609 | EFI_STATUS Status;\r |
610 | CHAR16 *RealFileName;\r |
611 | CHAR16 *TempFileName;\r |
612 | CHAR16 *ParseFileName;\r |
613 | CHAR16 *GuardPointer;\r |
614 | CHAR16 TempChar;\r |
615 | DWORD LastError;\r |
616 | UINTN Count;\r |
878ddf1f |
617 | BOOLEAN LoopFinish;\r |
618 | UINTN InfoSize;\r |
619 | EFI_FILE_INFO *Info;\r |
620 | \r |
878ddf1f |
621 | //\r |
622 | // Check for obvious invalid parameters.\r |
623 | //\r |
624 | if (This == NULL || NewHandle == NULL || FileName == NULL) {\r |
625 | return EFI_INVALID_PARAMETER;\r |
626 | }\r |
627 | \r |
628 | switch (OpenMode) {\r |
629 | case EFI_FILE_MODE_CREATE | EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE:\r |
630 | if (Attributes &~EFI_FILE_VALID_ATTR) {\r |
631 | return EFI_INVALID_PARAMETER;\r |
632 | }\r |
633 | \r |
634 | if (Attributes & EFI_FILE_READ_ONLY) {\r |
635 | return EFI_INVALID_PARAMETER;\r |
636 | }\r |
637 | \r |
638 | //\r |
639 | // fall through\r |
640 | //\r |
641 | case EFI_FILE_MODE_READ:\r |
642 | case EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE:\r |
643 | break;\r |
644 | \r |
645 | default:\r |
646 | return EFI_INVALID_PARAMETER;\r |
647 | }\r |
648 | \r |
cb360b26 |
649 | //\r |
650 | // Init local variables\r |
651 | //\r |
878ddf1f |
652 | PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r |
653 | PrivateRoot = WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile->SimpleFileSystem);\r |
654 | NewPrivateFile = NULL;\r |
655 | \r |
cb360b26 |
656 | //\r |
657 | // Allocate buffer for FileName as the passed in FileName may be read only\r |
658 | //\r |
fa332de7 |
659 | TempFileName = AllocatePool (StrSize (FileName));\r |
660 | if (TempFileName == NULL) {\r |
661 | return EFI_OUT_OF_RESOURCES;\r |
cb360b26 |
662 | }\r |
663 | StrCpy (TempFileName, FileName);\r |
664 | FileName = TempFileName;\r |
665 | \r |
878ddf1f |
666 | //\r |
667 | // BUGBUG: assume an open of root\r |
668 | // if current location, return current data\r |
669 | //\r |
670 | if (StrCmp (FileName, L"\\") == 0 || (StrCmp (FileName, L".") == 0 && PrivateFile->IsRootDirectory)) {\r |
671 | //\r |
672 | // BUGBUG: assume an open root\r |
673 | //\r |
674 | OpenRoot:\r |
675 | Status = WinNtSimpleFileSystemOpenVolume (PrivateFile->SimpleFileSystem, &Root);\r |
676 | NewPrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (Root);\r |
677 | goto Done;\r |
678 | }\r |
679 | \r |
680 | if (FileName[StrLen (FileName) - 1] == L'\\') {\r |
878ddf1f |
681 | FileName[StrLen (FileName) - 1] = 0;\r |
682 | }\r |
683 | \r |
c7916981 |
684 | //\r |
fa332de7 |
685 | // If file name does not equal to "." or "..",\r |
c7916981 |
686 | // then we trim the leading/trailing blanks and trailing dots\r |
687 | //\r |
688 | if (StrCmp (FileName, L".") != 0 && StrCmp (FileName, L"..") != 0) {\r |
689 | //\r |
690 | // Trim leading blanks\r |
691 | //\r |
692 | Count = 0;\r |
693 | for (TempFileName = FileName;\r |
694 | *TempFileName != 0 && *TempFileName == L' ';\r |
695 | TempFileName++) {\r |
696 | Count++;\r |
697 | }\r |
698 | CutPrefix (FileName, Count);\r |
699 | //\r |
700 | // Trim trailing dots and blanks\r |
701 | //\r |
fa332de7 |
702 | for (TempFileName = FileName + StrLen (FileName) - 1;\r |
c7916981 |
703 | TempFileName >= FileName && (*TempFileName == L' ' || *TempFileName == L'.');\r |
704 | TempFileName--) {\r |
705 | ;\r |
706 | }\r |
707 | *(TempFileName + 1) = 0;\r |
708 | }\r |
709 | \r |
878ddf1f |
710 | //\r |
711 | // Attempt to open the file\r |
712 | //\r |
fa332de7 |
713 | NewPrivateFile = AllocatePool (sizeof (WIN_NT_EFI_FILE_PRIVATE));\r |
714 | if (NewPrivateFile == NULL) {\r |
715 | Status = EFI_OUT_OF_RESOURCES;\r |
878ddf1f |
716 | goto Done;\r |
717 | }\r |
718 | \r |
719 | CopyMem (NewPrivateFile, PrivateFile, sizeof (WIN_NT_EFI_FILE_PRIVATE));\r |
720 | \r |
fa332de7 |
721 | NewPrivateFile->FilePath = AllocatePool (StrSize (PrivateFile->FileName));\r |
722 | if (NewPrivateFile->FilePath == NULL) {\r |
723 | Status = EFI_OUT_OF_RESOURCES;\r |
878ddf1f |
724 | goto Done;\r |
725 | }\r |
726 | \r |
727 | if (PrivateFile->IsDirectoryPath) {\r |
728 | StrCpy (NewPrivateFile->FilePath, PrivateFile->FileName);\r |
729 | } else {\r |
730 | StrCpy (NewPrivateFile->FilePath, PrivateFile->FilePath);\r |
731 | }\r |
732 | \r |
fa332de7 |
733 | NewPrivateFile->FileName = AllocatePool (StrSize (NewPrivateFile->FilePath) + StrSize (L"\\") + StrSize (FileName));\r |
734 | if (NewPrivateFile->FileName == NULL) {\r |
735 | Status = EFI_OUT_OF_RESOURCES;\r |
878ddf1f |
736 | goto Done;\r |
737 | }\r |
738 | \r |
739 | if (*FileName == L'\\') {\r |
740 | StrCpy (NewPrivateFile->FileName, PrivateRoot->FilePath);\r |
741 | StrCat (NewPrivateFile->FileName, L"\\");\r |
742 | StrCat (NewPrivateFile->FileName, FileName + 1);\r |
743 | } else {\r |
744 | StrCpy (NewPrivateFile->FileName, NewPrivateFile->FilePath);\r |
c7916981 |
745 | if (StrCmp (FileName, L"") != 0) {\r |
746 | //\r |
747 | // In case the filename becomes empty, especially after trimming dots and blanks\r |
fa332de7 |
748 | //\r |
c7916981 |
749 | StrCat (NewPrivateFile->FileName, L"\\");\r |
750 | StrCat (NewPrivateFile->FileName, FileName);\r |
751 | }\r |
878ddf1f |
752 | }\r |
753 | \r |
754 | //\r |
755 | // Get rid of . and .., except leading . or ..\r |
756 | //\r |
757 | \r |
758 | //\r |
759 | // GuardPointer protect simplefilesystem root path not be destroyed\r |
760 | //\r |
761 | GuardPointer = NewPrivateFile->FileName + StrLen (PrivateRoot->FilePath);\r |
762 | \r |
763 | LoopFinish = FALSE;\r |
764 | \r |
765 | while (!LoopFinish) {\r |
766 | \r |
767 | LoopFinish = TRUE;\r |
768 | \r |
769 | for (ParseFileName = GuardPointer; *ParseFileName; ParseFileName++) {\r |
770 | if (*ParseFileName == L'.' &&\r |
771 | (*(ParseFileName + 1) == 0 || *(ParseFileName + 1) == L'\\') &&\r |
772 | *(ParseFileName - 1) == L'\\'\r |
773 | ) {\r |
774 | \r |
775 | //\r |
776 | // cut \.\r |
777 | //\r |
778 | CutPrefix (ParseFileName - 1, 2);\r |
779 | LoopFinish = FALSE;\r |
780 | break;\r |
781 | }\r |
782 | \r |
783 | if (*ParseFileName == L'.' &&\r |
784 | *(ParseFileName + 1) == L'.' &&\r |
785 | (*(ParseFileName + 2) == 0 || *(ParseFileName + 2) == L'\\') &&\r |
786 | *(ParseFileName - 1) == L'\\'\r |
787 | ) {\r |
788 | \r |
789 | ParseFileName--;\r |
790 | Count = 3;\r |
791 | \r |
792 | while (ParseFileName != GuardPointer) {\r |
793 | ParseFileName--;\r |
794 | Count++;\r |
795 | if (*ParseFileName == L'\\') {\r |
796 | break;\r |
797 | }\r |
798 | }\r |
799 | \r |
800 | //\r |
801 | // cut \.. and its left directory\r |
802 | //\r |
803 | CutPrefix (ParseFileName, Count);\r |
804 | LoopFinish = FALSE;\r |
805 | break;\r |
806 | }\r |
807 | }\r |
808 | }\r |
809 | \r |
810 | if (StrCmp (NewPrivateFile->FileName, PrivateRoot->FilePath) == 0) {\r |
811 | NewPrivateFile->IsRootDirectory = TRUE;\r |
fa332de7 |
812 | FreePool (NewPrivateFile->FilePath);\r |
813 | FreePool (NewPrivateFile->FileName);\r |
814 | FreePool (NewPrivateFile);\r |
878ddf1f |
815 | goto OpenRoot;\r |
816 | }\r |
817 | \r |
818 | RealFileName = NewPrivateFile->FileName;\r |
819 | while (EfiStrChr (RealFileName, L'\\') != NULL) {\r |
820 | RealFileName = EfiStrChr (RealFileName, L'\\') + 1;\r |
821 | }\r |
822 | \r |
823 | TempChar = *(RealFileName - 1);\r |
824 | *(RealFileName - 1) = 0;\r |
825 | \r |
fa332de7 |
826 | FreePool (NewPrivateFile->FilePath);\r |
878ddf1f |
827 | NewPrivateFile->FilePath = NULL;\r |
fa332de7 |
828 | NewPrivateFile->FilePath = AllocatePool (StrSize (NewPrivateFile->FileName));\r |
829 | if (NewPrivateFile->FilePath == NULL) {\r |
830 | Status = EFI_OUT_OF_RESOURCES;\r |
878ddf1f |
831 | goto Done;\r |
832 | }\r |
833 | \r |
834 | StrCpy (NewPrivateFile->FilePath, NewPrivateFile->FileName);\r |
835 | \r |
836 | *(RealFileName - 1) = TempChar;\r |
837 | \r |
838 | NewPrivateFile->IsRootDirectory = FALSE;\r |
839 | \r |
840 | //\r |
841 | // Test whether file or directory\r |
842 | //\r |
843 | if (OpenMode & EFI_FILE_MODE_CREATE) {\r |
844 | if (Attributes & EFI_FILE_DIRECTORY) {\r |
845 | NewPrivateFile->IsDirectoryPath = TRUE;\r |
846 | } else {\r |
847 | NewPrivateFile->IsDirectoryPath = FALSE;\r |
848 | }\r |
849 | } else {\r |
850 | NewPrivateFile->LHandle = INVALID_HANDLE_VALUE;\r |
851 | NewPrivateFile->LHandle = NewPrivateFile->WinNtThunk->CreateFile (\r |
852 | NewPrivateFile->FileName,\r |
853 | GENERIC_READ,\r |
854 | FILE_SHARE_READ | FILE_SHARE_WRITE,\r |
855 | NULL,\r |
856 | OPEN_EXISTING,\r |
857 | 0,\r |
858 | NULL\r |
859 | );\r |
860 | \r |
861 | if (NewPrivateFile->LHandle != INVALID_HANDLE_VALUE) {\r |
862 | NewPrivateFile->IsDirectoryPath = FALSE;\r |
863 | NewPrivateFile->WinNtThunk->CloseHandle (NewPrivateFile->LHandle);\r |
864 | } else {\r |
865 | NewPrivateFile->IsDirectoryPath = TRUE;\r |
866 | }\r |
867 | \r |
868 | NewPrivateFile->LHandle = INVALID_HANDLE_VALUE;\r |
869 | }\r |
870 | \r |
871 | if (OpenMode & EFI_FILE_MODE_WRITE) {\r |
872 | NewPrivateFile->IsOpenedByRead = FALSE;\r |
873 | } else {\r |
874 | NewPrivateFile->IsOpenedByRead = TRUE;\r |
875 | }\r |
876 | \r |
877 | Status = EFI_SUCCESS;\r |
878 | \r |
879 | //\r |
880 | // deal with directory\r |
881 | //\r |
882 | if (NewPrivateFile->IsDirectoryPath) {\r |
883 | \r |
fa332de7 |
884 | TempFileName = AllocatePool (StrSize (NewPrivateFile->FileName) + StrSize (L"\\*"));\r |
885 | if (TempFileName == NULL) {\r |
886 | Status = EFI_OUT_OF_RESOURCES;\r |
878ddf1f |
887 | goto Done;\r |
888 | }\r |
889 | \r |
890 | StrCpy (TempFileName, NewPrivateFile->FileName);\r |
891 | \r |
892 | if ((OpenMode & EFI_FILE_MODE_CREATE)) {\r |
893 | //\r |
894 | // Create a directory\r |
895 | //\r |
896 | if (!NewPrivateFile->WinNtThunk->CreateDirectory (TempFileName, NULL)) {\r |
897 | \r |
898 | LastError = PrivateFile->WinNtThunk->GetLastError ();\r |
899 | if (LastError != ERROR_ALREADY_EXISTS) {\r |
fa332de7 |
900 | FreePool (TempFileName);\r |
878ddf1f |
901 | Status = EFI_ACCESS_DENIED;\r |
902 | goto Done;\r |
903 | }\r |
904 | }\r |
905 | }\r |
906 | \r |
907 | NewPrivateFile->DirHandle = NewPrivateFile->WinNtThunk->CreateFile (\r |
908 | TempFileName,\r |
909 | NewPrivateFile->IsOpenedByRead ? GENERIC_READ : (GENERIC_READ | GENERIC_WRITE),\r |
910 | FILE_SHARE_READ | FILE_SHARE_WRITE,\r |
911 | NULL,\r |
912 | OPEN_EXISTING,\r |
913 | FILE_FLAG_BACKUP_SEMANTICS,\r |
914 | NULL\r |
915 | );\r |
916 | \r |
917 | if (NewPrivateFile->DirHandle == INVALID_HANDLE_VALUE) {\r |
918 | \r |
919 | NewPrivateFile->DirHandle = NewPrivateFile->WinNtThunk->CreateFile (\r |
920 | TempFileName,\r |
921 | GENERIC_READ,\r |
922 | FILE_SHARE_READ | FILE_SHARE_WRITE,\r |
923 | NULL,\r |
924 | OPEN_EXISTING,\r |
925 | FILE_FLAG_BACKUP_SEMANTICS,\r |
926 | NULL\r |
927 | );\r |
928 | \r |
929 | if (NewPrivateFile->DirHandle != INVALID_HANDLE_VALUE) {\r |
930 | NewPrivateFile->WinNtThunk->CloseHandle (NewPrivateFile->DirHandle);\r |
931 | NewPrivateFile->DirHandle = INVALID_HANDLE_VALUE;\r |
932 | Status = EFI_ACCESS_DENIED;\r |
933 | } else {\r |
934 | Status = EFI_NOT_FOUND;\r |
935 | }\r |
936 | \r |
937 | goto Done;\r |
938 | }\r |
939 | \r |
940 | //\r |
941 | // Find the first file under it\r |
942 | //\r |
943 | StrCat (TempFileName, L"\\*");\r |
944 | NewPrivateFile->LHandle = NewPrivateFile->WinNtThunk->FindFirstFile (TempFileName, &NewPrivateFile->FindBuf);\r |
945 | \r |
946 | if (NewPrivateFile->LHandle == INVALID_HANDLE_VALUE) {\r |
947 | NewPrivateFile->IsValidFindBuf = FALSE;\r |
948 | } else {\r |
949 | NewPrivateFile->IsValidFindBuf = TRUE;\r |
950 | }\r |
951 | } else {\r |
952 | //\r |
953 | // deal with file\r |
954 | //\r |
955 | if (!NewPrivateFile->IsOpenedByRead) {\r |
956 | NewPrivateFile->LHandle = NewPrivateFile->WinNtThunk->CreateFile (\r |
957 | NewPrivateFile->FileName,\r |
958 | GENERIC_READ | GENERIC_WRITE,\r |
959 | FILE_SHARE_READ | FILE_SHARE_WRITE,\r |
960 | NULL,\r |
961 | (OpenMode & EFI_FILE_MODE_CREATE) ? OPEN_ALWAYS : OPEN_EXISTING,\r |
962 | 0,\r |
963 | NULL\r |
964 | );\r |
965 | \r |
966 | if (NewPrivateFile->LHandle == INVALID_HANDLE_VALUE) {\r |
967 | NewPrivateFile->LHandle = NewPrivateFile->WinNtThunk->CreateFile (\r |
968 | NewPrivateFile->FileName,\r |
969 | GENERIC_READ,\r |
970 | FILE_SHARE_READ | FILE_SHARE_WRITE,\r |
971 | NULL,\r |
972 | OPEN_EXISTING,\r |
973 | 0,\r |
974 | NULL\r |
975 | );\r |
976 | \r |
977 | if (NewPrivateFile->LHandle == INVALID_HANDLE_VALUE) {\r |
978 | Status = EFI_NOT_FOUND;\r |
979 | } else {\r |
980 | Status = EFI_ACCESS_DENIED;\r |
981 | NewPrivateFile->WinNtThunk->CloseHandle (NewPrivateFile->LHandle);\r |
982 | NewPrivateFile->LHandle = INVALID_HANDLE_VALUE;\r |
983 | }\r |
984 | }\r |
985 | } else {\r |
986 | NewPrivateFile->LHandle = NewPrivateFile->WinNtThunk->CreateFile (\r |
987 | NewPrivateFile->FileName,\r |
988 | GENERIC_READ,\r |
989 | FILE_SHARE_READ | FILE_SHARE_WRITE,\r |
990 | NULL,\r |
991 | OPEN_EXISTING,\r |
992 | 0,\r |
993 | NULL\r |
994 | );\r |
995 | \r |
996 | if (NewPrivateFile->LHandle == INVALID_HANDLE_VALUE) {\r |
997 | Status = EFI_NOT_FOUND;\r |
998 | }\r |
999 | }\r |
1000 | }\r |
1001 | \r |
1002 | if ((OpenMode & EFI_FILE_MODE_CREATE) && Status == EFI_SUCCESS) {\r |
1003 | //\r |
1004 | // Set the attribute\r |
1005 | //\r |
1006 | InfoSize = 0;\r |
1007 | Info = NULL;\r |
1008 | \r |
1009 | Status = WinNtSimpleFileSystemGetInfo (&NewPrivateFile->EfiFile, &gEfiFileInfoGuid, &InfoSize, Info);\r |
1010 | \r |
1011 | if (Status != EFI_BUFFER_TOO_SMALL) {\r |
1012 | Status = EFI_DEVICE_ERROR;\r |
1013 | goto Done;\r |
1014 | }\r |
1015 | \r |
fa332de7 |
1016 | Info = AllocatePool (InfoSize);\r |
1017 | if (Info == NULL) {\r |
1018 | Status = EFI_OUT_OF_RESOURCES;\r |
878ddf1f |
1019 | goto Done;\r |
1020 | }\r |
1021 | \r |
1022 | Status = WinNtSimpleFileSystemGetInfo (&NewPrivateFile->EfiFile, &gEfiFileInfoGuid, &InfoSize, Info);\r |
1023 | \r |
1024 | if (EFI_ERROR (Status)) {\r |
1025 | goto Done;\r |
1026 | }\r |
1027 | \r |
1028 | Info->Attribute = Attributes;\r |
1029 | \r |
1030 | WinNtSimpleFileSystemSetInfo (&NewPrivateFile->EfiFile, &gEfiFileInfoGuid, InfoSize, Info);\r |
1031 | }\r |
1032 | \r |
1033 | Done: ;\r |
fa332de7 |
1034 | FreePool (FileName);\r |
878ddf1f |
1035 | \r |
1036 | if (EFI_ERROR (Status)) {\r |
1037 | if (NewPrivateFile) {\r |
1038 | if (NewPrivateFile->FileName) {\r |
fa332de7 |
1039 | FreePool (NewPrivateFile->FileName);\r |
878ddf1f |
1040 | }\r |
1041 | \r |
1042 | if (NewPrivateFile->FilePath) {\r |
fa332de7 |
1043 | FreePool (NewPrivateFile->FilePath);\r |
878ddf1f |
1044 | }\r |
1045 | \r |
fa332de7 |
1046 | FreePool (NewPrivateFile);\r |
878ddf1f |
1047 | }\r |
1048 | } else {\r |
1049 | *NewHandle = &NewPrivateFile->EfiFile;\r |
1050 | }\r |
1051 | \r |
1052 | return Status;\r |
1053 | }\r |
1054 | \r |
1055 | EFI_STATUS\r |
1056 | EFIAPI\r |
1057 | WinNtSimpleFileSystemClose (\r |
1058 | IN EFI_FILE *This\r |
1059 | )\r |
1060 | /*++\r |
1061 | \r |
1062 | Routine Description:\r |
1063 | \r |
1064 | Close the specified file handle.\r |
1065 | \r |
1066 | Arguments:\r |
1067 | \r |
1068 | This - Pointer to a returned opened file handle.\r |
1069 | \r |
1070 | Returns:\r |
1071 | \r |
1072 | EFI_SUCCESS - The file handle has been closed.\r |
1073 | \r |
1074 | --*/\r |
1075 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
1076 | {\r |
1077 | WIN_NT_EFI_FILE_PRIVATE *PrivateFile;\r |
1a682c8c |
1078 | EFI_TPL OldTpl;\r |
878ddf1f |
1079 | \r |
1080 | if (This == NULL) {\r |
1081 | return EFI_INVALID_PARAMETER;\r |
1082 | }\r |
1083 | \r |
1a682c8c |
1084 | OldTpl = gBS->RaiseTPL (EFI_TPL_CALLBACK);\r |
fa332de7 |
1085 | \r |
878ddf1f |
1086 | PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r |
1087 | \r |
1088 | if (PrivateFile->LHandle != INVALID_HANDLE_VALUE) {\r |
1089 | if (PrivateFile->IsDirectoryPath) {\r |
1090 | PrivateFile->WinNtThunk->FindClose (PrivateFile->LHandle);\r |
1091 | } else {\r |
1092 | PrivateFile->WinNtThunk->CloseHandle (PrivateFile->LHandle);\r |
1093 | }\r |
1094 | \r |
1095 | PrivateFile->LHandle = INVALID_HANDLE_VALUE;\r |
1096 | }\r |
1097 | \r |
1098 | if (PrivateFile->IsDirectoryPath && PrivateFile->DirHandle != INVALID_HANDLE_VALUE) {\r |
1099 | PrivateFile->WinNtThunk->CloseHandle (PrivateFile->DirHandle);\r |
1100 | PrivateFile->DirHandle = INVALID_HANDLE_VALUE;\r |
1101 | }\r |
1102 | \r |
1103 | if (PrivateFile->FileName) {\r |
fa332de7 |
1104 | FreePool (PrivateFile->FileName);\r |
878ddf1f |
1105 | }\r |
1106 | \r |
fa332de7 |
1107 | FreePool (PrivateFile);\r |
1a682c8c |
1108 | \r |
1109 | gBS->RestoreTPL (OldTpl);\r |
fa332de7 |
1110 | \r |
878ddf1f |
1111 | return EFI_SUCCESS;\r |
1112 | }\r |
1113 | \r |
1114 | EFI_STATUS\r |
1115 | EFIAPI\r |
1116 | WinNtSimpleFileSystemDelete (\r |
1117 | IN EFI_FILE *This\r |
1118 | )\r |
1119 | /*++\r |
1120 | \r |
1121 | Routine Description:\r |
1122 | \r |
1123 | Close and delete a file.\r |
1124 | \r |
1125 | Arguments:\r |
1126 | \r |
1127 | This - Pointer to a returned opened file handle.\r |
1128 | \r |
1129 | Returns:\r |
1130 | \r |
1131 | EFI_SUCCESS - The file handle was closed and deleted.\r |
1132 | \r |
1133 | EFI_WARN_DELETE_FAILURE - The handle was closed but could not be deleted.\r |
1134 | \r |
1135 | --*/\r |
1136 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
1137 | {\r |
1138 | EFI_STATUS Status;\r |
1139 | WIN_NT_EFI_FILE_PRIVATE *PrivateFile;\r |
1a682c8c |
1140 | EFI_TPL OldTpl;\r |
878ddf1f |
1141 | \r |
1142 | if (This == NULL) {\r |
1143 | return EFI_INVALID_PARAMETER;\r |
1144 | }\r |
1145 | \r |
1a682c8c |
1146 | OldTpl = gBS->RaiseTPL (EFI_TPL_CALLBACK);\r |
fa332de7 |
1147 | \r |
878ddf1f |
1148 | PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r |
1149 | \r |
1150 | Status = EFI_WARN_DELETE_FAILURE;\r |
1151 | \r |
1152 | if (PrivateFile->IsDirectoryPath) {\r |
1153 | if (PrivateFile->LHandle != INVALID_HANDLE_VALUE) {\r |
1154 | PrivateFile->WinNtThunk->FindClose (PrivateFile->LHandle);\r |
1155 | }\r |
1156 | \r |
1157 | if (PrivateFile->DirHandle != INVALID_HANDLE_VALUE) {\r |
1158 | PrivateFile->WinNtThunk->CloseHandle (PrivateFile->DirHandle);\r |
1159 | PrivateFile->DirHandle = INVALID_HANDLE_VALUE;\r |
1160 | }\r |
1161 | \r |
1162 | if (PrivateFile->WinNtThunk->RemoveDirectory (PrivateFile->FileName)) {\r |
1163 | Status = EFI_SUCCESS;\r |
1164 | }\r |
1165 | } else {\r |
1166 | PrivateFile->WinNtThunk->CloseHandle (PrivateFile->LHandle);\r |
1167 | PrivateFile->LHandle = INVALID_HANDLE_VALUE;\r |
1168 | \r |
1169 | if (!PrivateFile->IsOpenedByRead) {\r |
1170 | if (PrivateFile->WinNtThunk->DeleteFile (PrivateFile->FileName)) {\r |
1171 | Status = EFI_SUCCESS;\r |
1172 | }\r |
1173 | }\r |
1174 | }\r |
1175 | \r |
fa332de7 |
1176 | FreePool (PrivateFile->FileName);\r |
1177 | FreePool (PrivateFile);\r |
878ddf1f |
1178 | \r |
1a682c8c |
1179 | gBS->RestoreTPL (OldTpl);\r |
1180 | \r |
878ddf1f |
1181 | return Status;\r |
1182 | }\r |
1183 | \r |
1184 | STATIC\r |
1185 | VOID\r |
1186 | WinNtSystemTimeToEfiTime (\r |
1187 | IN SYSTEMTIME *SystemTime,\r |
1188 | IN TIME_ZONE_INFORMATION *TimeZone,\r |
1189 | OUT EFI_TIME *Time\r |
1190 | )\r |
1191 | /*++\r |
1192 | \r |
1193 | Routine Description:\r |
1194 | \r |
1195 | TODO: Add function description\r |
1196 | \r |
1197 | Arguments:\r |
1198 | \r |
1199 | SystemTime - TODO: add argument description\r |
1200 | TimeZone - TODO: add argument description\r |
1201 | Time - TODO: add argument description\r |
1202 | \r |
1203 | Returns:\r |
1204 | \r |
1205 | TODO: add return values\r |
1206 | \r |
1207 | --*/\r |
1208 | {\r |
1209 | Time->Year = (UINT16) SystemTime->wYear;\r |
1210 | Time->Month = (UINT8) SystemTime->wMonth;\r |
1211 | Time->Day = (UINT8) SystemTime->wDay;\r |
1212 | Time->Hour = (UINT8) SystemTime->wHour;\r |
1213 | Time->Minute = (UINT8) SystemTime->wMinute;\r |
1214 | Time->Second = (UINT8) SystemTime->wSecond;\r |
1215 | Time->Nanosecond = (UINT32) SystemTime->wMilliseconds * 1000000;\r |
1216 | Time->TimeZone = (INT16) TimeZone->Bias;\r |
1217 | \r |
1218 | if (TimeZone->StandardDate.wMonth) {\r |
1219 | Time->Daylight = EFI_TIME_ADJUST_DAYLIGHT;\r |
1220 | }\r |
1221 | }\r |
1222 | \r |
1223 | EFI_STATUS\r |
1224 | EFIAPI\r |
1225 | WinNtSimpleFileSystemRead (\r |
1226 | IN EFI_FILE *This,\r |
1227 | IN OUT UINTN *BufferSize,\r |
1228 | OUT VOID *Buffer\r |
1229 | )\r |
1230 | /*++\r |
1231 | \r |
1232 | Routine Description:\r |
1233 | \r |
1234 | Read data from a file.\r |
1235 | \r |
1236 | Arguments:\r |
1237 | \r |
1238 | This - Pointer to a returned open file handle.\r |
1239 | \r |
1240 | BufferSize - On input, the size of the Buffer. On output, the number of bytes stored in the Buffer.\r |
1241 | \r |
1242 | Buffer - Pointer to the first byte of the read Buffer.\r |
1243 | \r |
1244 | Returns:\r |
1245 | \r |
1246 | EFI_SUCCESS - The data was read.\r |
1247 | \r |
1248 | EFI_NO_MEDIA - The device has no media.\r |
1249 | \r |
1250 | EFI_DEVICE_ERROR - The device reported an error.\r |
1251 | \r |
1252 | EFI_VOLUME_CORRUPTED - The file system structures are corrupted.\r |
1253 | \r |
1254 | EFI_BUFFER_TOO_SMALL - The supplied buffer size was too small to store the current directory entry.\r |
1255 | *BufferSize has been updated with the size needed to complete the request.\r |
1256 | \r |
1257 | --*/\r |
1258 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
1259 | {\r |
1260 | WIN_NT_EFI_FILE_PRIVATE *PrivateFile;\r |
1261 | EFI_STATUS Status;\r |
1262 | UINTN Size;\r |
1263 | UINTN NameSize;\r |
1264 | UINTN ResultSize;\r |
1265 | UINTN Index;\r |
1266 | SYSTEMTIME SystemTime;\r |
1267 | EFI_FILE_INFO *Info;\r |
1268 | WCHAR *pw;\r |
1269 | TIME_ZONE_INFORMATION TimeZone;\r |
1270 | EFI_FILE_INFO *FileInfo;\r |
1271 | UINT64 Pos;\r |
1272 | UINT64 FileSize;\r |
1273 | UINTN FileInfoSize;\r |
1a682c8c |
1274 | EFI_TPL OldTpl;\r |
878ddf1f |
1275 | \r |
f4c3fab9 |
1276 | if (This == NULL || BufferSize == NULL) {\r |
878ddf1f |
1277 | return EFI_INVALID_PARAMETER;\r |
1278 | }\r |
1279 | \r |
1a682c8c |
1280 | OldTpl = gBS->RaiseTPL (EFI_TPL_CALLBACK);\r |
fa332de7 |
1281 | \r |
878ddf1f |
1282 | PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r |
1283 | \r |
1284 | if (PrivateFile->LHandle == INVALID_HANDLE_VALUE) {\r |
1a682c8c |
1285 | Status = EFI_DEVICE_ERROR;\r |
1286 | goto Done;\r |
878ddf1f |
1287 | }\r |
1288 | \r |
1289 | if (!PrivateFile->IsDirectoryPath) {\r |
1290 | \r |
1291 | if (This->GetPosition (This, &Pos) != EFI_SUCCESS) {\r |
1a682c8c |
1292 | Status = EFI_DEVICE_ERROR;\r |
1293 | goto Done;\r |
878ddf1f |
1294 | }\r |
1295 | \r |
1296 | FileInfoSize = SIZE_OF_EFI_FILE_SYSTEM_INFO;\r |
fa332de7 |
1297 | FileInfo = AllocatePool (FileInfoSize);\r |
878ddf1f |
1298 | \r |
1299 | Status = This->GetInfo (\r |
1300 | This,\r |
1301 | &gEfiFileInfoGuid,\r |
1302 | &FileInfoSize,\r |
1303 | FileInfo\r |
1304 | );\r |
1305 | \r |
1306 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
fa332de7 |
1307 | FreePool (FileInfo);\r |
1308 | FileInfo = AllocatePool (FileInfoSize);\r |
878ddf1f |
1309 | Status = This->GetInfo (\r |
1310 | This,\r |
1311 | &gEfiFileInfoGuid,\r |
1312 | &FileInfoSize,\r |
1313 | FileInfo\r |
1314 | );\r |
1315 | }\r |
1316 | \r |
1317 | if (EFI_ERROR (Status)) {\r |
1a682c8c |
1318 | Status = EFI_DEVICE_ERROR;\r |
1319 | goto Done;\r |
878ddf1f |
1320 | }\r |
1321 | \r |
1322 | FileSize = FileInfo->FileSize;\r |
1323 | \r |
fa332de7 |
1324 | FreePool (FileInfo);\r |
878ddf1f |
1325 | \r |
1326 | if (Pos >= FileSize) {\r |
1327 | *BufferSize = 0;\r |
1328 | if (Pos == FileSize) {\r |
1a682c8c |
1329 | Status = EFI_SUCCESS;\r |
1330 | goto Done;\r |
878ddf1f |
1331 | } else {\r |
1a682c8c |
1332 | Status = EFI_DEVICE_ERROR;\r |
1333 | goto Done;\r |
878ddf1f |
1334 | }\r |
1335 | }\r |
1336 | \r |
1a682c8c |
1337 | Status = PrivateFile->WinNtThunk->ReadFile (\r |
878ddf1f |
1338 | PrivateFile->LHandle,\r |
1339 | Buffer,\r |
1340 | *BufferSize,\r |
1341 | BufferSize,\r |
1342 | NULL\r |
1343 | ) ? EFI_SUCCESS : EFI_DEVICE_ERROR;\r |
1a682c8c |
1344 | goto Done;\r |
878ddf1f |
1345 | }\r |
1346 | \r |
1347 | //\r |
1348 | // Read on a directory. Perform a find next\r |
1349 | //\r |
1350 | if (!PrivateFile->IsValidFindBuf) {\r |
1351 | *BufferSize = 0;\r |
1a682c8c |
1352 | Status = EFI_SUCCESS;\r |
1353 | goto Done;\r |
878ddf1f |
1354 | }\r |
1355 | \r |
1356 | Size = SIZE_OF_EFI_FILE_INFO;\r |
1357 | \r |
1358 | NameSize = StrSize (PrivateFile->FindBuf.cFileName);\r |
1359 | \r |
1360 | ResultSize = Size + NameSize;\r |
1361 | \r |
1362 | Status = EFI_BUFFER_TOO_SMALL;\r |
1363 | \r |
1364 | if (*BufferSize >= ResultSize) {\r |
1365 | Status = EFI_SUCCESS;\r |
1366 | \r |
1367 | Info = Buffer;\r |
1368 | ZeroMem (Info, ResultSize);\r |
1369 | \r |
1370 | Info->Size = ResultSize;\r |
1371 | \r |
1372 | PrivateFile->WinNtThunk->GetTimeZoneInformation (&TimeZone);\r |
1373 | \r |
1374 | PrivateFile->WinNtThunk->FileTimeToLocalFileTime (\r |
1375 | &PrivateFile->FindBuf.ftCreationTime,\r |
1376 | &PrivateFile->FindBuf.ftCreationTime\r |
1377 | );\r |
1378 | \r |
1379 | PrivateFile->WinNtThunk->FileTimeToSystemTime (&PrivateFile->FindBuf.ftCreationTime, &SystemTime);\r |
1380 | \r |
1381 | WinNtSystemTimeToEfiTime (&SystemTime, &TimeZone, &Info->CreateTime);\r |
1382 | \r |
1383 | PrivateFile->WinNtThunk->FileTimeToLocalFileTime (\r |
1384 | &PrivateFile->FindBuf.ftLastWriteTime,\r |
1385 | &PrivateFile->FindBuf.ftLastWriteTime\r |
1386 | );\r |
1387 | \r |
1388 | PrivateFile->WinNtThunk->FileTimeToSystemTime (&PrivateFile->FindBuf.ftLastWriteTime, &SystemTime);\r |
1389 | \r |
1390 | WinNtSystemTimeToEfiTime (&SystemTime, &TimeZone, &Info->ModificationTime);\r |
1391 | \r |
1392 | Info->FileSize = PrivateFile->FindBuf.nFileSizeLow;\r |
1393 | \r |
1394 | Info->PhysicalSize = PrivateFile->FindBuf.nFileSizeLow;\r |
1395 | \r |
1396 | if (PrivateFile->FindBuf.dwFileAttributes & FILE_ATTRIBUTE_ARCHIVE) {\r |
1397 | Info->Attribute |= EFI_FILE_ARCHIVE;\r |
1398 | }\r |
1399 | \r |
1400 | if (PrivateFile->FindBuf.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN) {\r |
1401 | Info->Attribute |= EFI_FILE_HIDDEN;\r |
1402 | }\r |
1403 | \r |
1404 | if (PrivateFile->FindBuf.dwFileAttributes & FILE_ATTRIBUTE_SYSTEM) {\r |
1405 | Info->Attribute |= EFI_FILE_SYSTEM;\r |
1406 | }\r |
1407 | \r |
1408 | if (PrivateFile->FindBuf.dwFileAttributes & FILE_ATTRIBUTE_READONLY) {\r |
1409 | Info->Attribute |= EFI_FILE_READ_ONLY;\r |
1410 | }\r |
1411 | \r |
1412 | if (PrivateFile->FindBuf.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {\r |
1413 | Info->Attribute |= EFI_FILE_DIRECTORY;\r |
1414 | }\r |
1415 | \r |
1416 | NameSize = NameSize / sizeof (WCHAR);\r |
1417 | \r |
1418 | pw = (WCHAR *) (((CHAR8 *) Buffer) + Size);\r |
1419 | \r |
1420 | for (Index = 0; Index < NameSize; Index++) {\r |
1421 | pw[Index] = PrivateFile->FindBuf.cFileName[Index];\r |
1422 | }\r |
1423 | \r |
1424 | if (PrivateFile->WinNtThunk->FindNextFile (PrivateFile->LHandle, &PrivateFile->FindBuf)) {\r |
1425 | PrivateFile->IsValidFindBuf = TRUE;\r |
1426 | } else {\r |
1427 | PrivateFile->IsValidFindBuf = FALSE;\r |
1428 | }\r |
1429 | }\r |
1430 | \r |
1431 | *BufferSize = ResultSize;\r |
1432 | \r |
1a682c8c |
1433 | Done:\r |
1434 | gBS->RestoreTPL (OldTpl);\r |
878ddf1f |
1435 | return Status;\r |
1436 | }\r |
1437 | \r |
1438 | EFI_STATUS\r |
1439 | EFIAPI\r |
1440 | WinNtSimpleFileSystemWrite (\r |
1441 | IN EFI_FILE *This,\r |
1442 | IN OUT UINTN *BufferSize,\r |
1443 | IN VOID *Buffer\r |
1444 | )\r |
1445 | /*++\r |
1446 | \r |
1447 | Routine Description:\r |
1448 | \r |
1449 | Write data to a file.\r |
1450 | \r |
1451 | Arguments:\r |
1452 | \r |
1453 | This - Pointer to an opened file handle.\r |
1454 | \r |
1455 | BufferSize - On input, the number of bytes in the Buffer to write to the file. On output, the number of bytes\r |
1456 | of data written to the file.\r |
1457 | \r |
1458 | Buffer - Pointer to the first by of data in the buffer to write to the file.\r |
1459 | \r |
1460 | Returns:\r |
1461 | \r |
1462 | EFI_SUCCESS - The data was written to the file.\r |
1463 | \r |
1464 | EFI_UNSUPPORTED - Writes to an open directory are not supported.\r |
1465 | \r |
1466 | EFI_NO_MEDIA - The device has no media.\r |
1467 | \r |
1468 | EFI_DEVICE_ERROR - The device reported an error.\r |
1469 | \r |
1470 | EFI_VOLUME_CORRUPTED - The file system structures are corrupt.\r |
1471 | \r |
1472 | EFI_WRITE_PROTECTED - The file, directory, volume, or device is write protected.\r |
1473 | \r |
1474 | EFI_ACCESS_DENIED - The file was opened read-only.\r |
1475 | \r |
1476 | EFI_VOLUME_FULL - The volume is full.\r |
1477 | \r |
1478 | --*/\r |
1479 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
1480 | {\r |
1481 | WIN_NT_EFI_FILE_PRIVATE *PrivateFile;\r |
1a682c8c |
1482 | EFI_STATUS Status;\r |
1483 | EFI_TPL OldTpl;\r |
878ddf1f |
1484 | \r |
1485 | if (This == NULL || BufferSize == NULL || Buffer == NULL) {\r |
1486 | return EFI_INVALID_PARAMETER;\r |
1487 | }\r |
1488 | \r |
1a682c8c |
1489 | OldTpl = gBS->RaiseTPL (EFI_TPL_CALLBACK);\r |
fa332de7 |
1490 | \r |
878ddf1f |
1491 | PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r |
1492 | \r |
1493 | if (PrivateFile->LHandle == INVALID_HANDLE_VALUE) {\r |
1a682c8c |
1494 | Status = EFI_DEVICE_ERROR;\r |
1495 | goto Done;\r |
878ddf1f |
1496 | }\r |
1497 | \r |
1498 | if (PrivateFile->IsDirectoryPath) {\r |
1a682c8c |
1499 | Status = EFI_UNSUPPORTED;\r |
1500 | goto Done;\r |
878ddf1f |
1501 | }\r |
1502 | \r |
1503 | if (PrivateFile->IsOpenedByRead) {\r |
1a682c8c |
1504 | Status = EFI_ACCESS_DENIED;\r |
1505 | goto Done;\r |
878ddf1f |
1506 | }\r |
1507 | \r |
1a682c8c |
1508 | Status = PrivateFile->WinNtThunk->WriteFile (\r |
878ddf1f |
1509 | PrivateFile->LHandle,\r |
1510 | Buffer,\r |
1511 | *BufferSize,\r |
1512 | BufferSize,\r |
1513 | NULL\r |
1514 | ) ? EFI_SUCCESS : EFI_DEVICE_ERROR;\r |
1515 | \r |
1a682c8c |
1516 | Done:\r |
1517 | gBS->RestoreTPL (OldTpl);\r |
1518 | return Status;\r |
1519 | \r |
878ddf1f |
1520 | //\r |
1521 | // bugbug: need to access windows error reporting\r |
1522 | //\r |
1523 | }\r |
1524 | \r |
1525 | EFI_STATUS\r |
1526 | EFIAPI\r |
1527 | WinNtSimpleFileSystemSetPosition (\r |
1528 | IN EFI_FILE *This,\r |
1529 | IN UINT64 Position\r |
1530 | )\r |
1531 | /*++\r |
1532 | \r |
1533 | Routine Description:\r |
1534 | \r |
1535 | Set a file's current position.\r |
1536 | \r |
1537 | Arguments:\r |
1538 | \r |
1539 | This - Pointer to an opened file handle.\r |
1540 | \r |
1541 | Position - The byte position from the start of the file to set.\r |
1542 | \r |
1543 | Returns:\r |
1544 | \r |
1545 | EFI_SUCCESS - The file position has been changed.\r |
1546 | \r |
1547 | EFI_UNSUPPORTED - The seek request for non-zero is not supported for directories.\r |
1548 | \r |
1549 | --*/\r |
1550 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
1551 | {\r |
1552 | EFI_STATUS Status;\r |
1553 | WIN_NT_EFI_FILE_PRIVATE *PrivateFile;\r |
1554 | UINT32 PosLow;\r |
1555 | UINT32 PosHigh;\r |
1556 | CHAR16 *FileName;\r |
1a682c8c |
1557 | EFI_TPL OldTpl;\r |
878ddf1f |
1558 | \r |
1559 | if (This == NULL) {\r |
1560 | return EFI_INVALID_PARAMETER;\r |
1561 | }\r |
1562 | \r |
1a682c8c |
1563 | OldTpl = gBS->RaiseTPL (EFI_TPL_CALLBACK);\r |
fa332de7 |
1564 | \r |
878ddf1f |
1565 | PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r |
1566 | \r |
1567 | if (PrivateFile->IsDirectoryPath) {\r |
1568 | if (Position != 0) {\r |
1a682c8c |
1569 | Status = EFI_UNSUPPORTED;\r |
1570 | goto Done;\r |
878ddf1f |
1571 | }\r |
1572 | \r |
fa332de7 |
1573 | FileName = AllocatePool (StrSize (PrivateFile->FileName) + StrSize (L"\\*"));\r |
1574 | if (FileName == NULL) {\r |
1575 | Status = EFI_OUT_OF_RESOURCES;\r |
1a682c8c |
1576 | goto Done;\r |
878ddf1f |
1577 | }\r |
1578 | \r |
1579 | StrCpy (FileName, PrivateFile->FileName);\r |
1580 | StrCat (FileName, L"\\*");\r |
1581 | \r |
1582 | if (PrivateFile->LHandle != INVALID_HANDLE_VALUE) {\r |
1583 | PrivateFile->WinNtThunk->FindClose (PrivateFile->LHandle);\r |
1584 | }\r |
1585 | \r |
1586 | PrivateFile->LHandle = PrivateFile->WinNtThunk->FindFirstFile (FileName, &PrivateFile->FindBuf);\r |
1587 | \r |
1588 | if (PrivateFile->LHandle == INVALID_HANDLE_VALUE) {\r |
1589 | PrivateFile->IsValidFindBuf = FALSE;\r |
1590 | } else {\r |
1591 | PrivateFile->IsValidFindBuf = TRUE;\r |
1592 | }\r |
1593 | \r |
fa332de7 |
1594 | FreePool (FileName);\r |
878ddf1f |
1595 | \r |
1596 | Status = (PrivateFile->LHandle == INVALID_HANDLE_VALUE) ? EFI_DEVICE_ERROR : EFI_SUCCESS;\r |
1597 | } else {\r |
1598 | if (Position == (UINT64) -1) {\r |
1599 | PosLow = PrivateFile->WinNtThunk->SetFilePointer (PrivateFile->LHandle, (ULONG) 0, NULL, FILE_END);\r |
1600 | } else {\r |
1601 | PosHigh = (UINT32) RShiftU64 (Position, 32);\r |
1602 | \r |
1603 | PosLow = PrivateFile->WinNtThunk->SetFilePointer (PrivateFile->LHandle, (ULONG) Position, &PosHigh, FILE_BEGIN);\r |
1604 | }\r |
1605 | \r |
1606 | Status = (PosLow == 0xFFFFFFFF) ? EFI_DEVICE_ERROR : EFI_SUCCESS;\r |
1607 | }\r |
1608 | \r |
1a682c8c |
1609 | Done:\r |
9db9711c |
1610 | gBS->RestoreTPL (OldTpl);\r |
878ddf1f |
1611 | return Status;\r |
1612 | }\r |
1613 | \r |
1614 | EFI_STATUS\r |
1615 | EFIAPI\r |
1616 | WinNtSimpleFileSystemGetPosition (\r |
1617 | IN EFI_FILE *This,\r |
1618 | OUT UINT64 *Position\r |
1619 | )\r |
1620 | /*++\r |
1621 | \r |
1622 | Routine Description:\r |
1623 | \r |
1624 | Get a file's current position.\r |
1625 | \r |
1626 | Arguments:\r |
1627 | \r |
1628 | This - Pointer to an opened file handle.\r |
1629 | \r |
1630 | Position - Pointer to storage for the current position.\r |
1631 | \r |
1632 | Returns:\r |
1633 | \r |
1634 | EFI_SUCCESS - The file position has been reported.\r |
1635 | \r |
1636 | EFI_UNSUPPORTED - Not valid for directories.\r |
1637 | \r |
1638 | --*/\r |
1639 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
1640 | {\r |
1641 | EFI_STATUS Status;\r |
1642 | WIN_NT_EFI_FILE_PRIVATE *PrivateFile;\r |
1643 | INT32 PositionHigh;\r |
1644 | UINT64 PosHigh64;\r |
1a682c8c |
1645 | EFI_TPL OldTpl;\r |
878ddf1f |
1646 | \r |
1647 | if (This == NULL || Position == NULL) {\r |
1648 | return EFI_INVALID_PARAMETER;\r |
1649 | }\r |
1650 | \r |
1a682c8c |
1651 | OldTpl = gBS->RaiseTPL (EFI_TPL_CALLBACK);\r |
878ddf1f |
1652 | PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r |
1653 | \r |
1654 | PositionHigh = 0;\r |
1655 | PosHigh64 = 0;\r |
1656 | \r |
1657 | if (PrivateFile->IsDirectoryPath) {\r |
1658 | \r |
1a682c8c |
1659 | Status = EFI_UNSUPPORTED;\r |
1660 | goto Done;\r |
878ddf1f |
1661 | \r |
1662 | } else {\r |
1663 | \r |
1664 | PositionHigh = 0;\r |
1665 | *Position = PrivateFile->WinNtThunk->SetFilePointer (\r |
1666 | PrivateFile->LHandle,\r |
1667 | 0,\r |
1668 | &PositionHigh,\r |
1669 | FILE_CURRENT\r |
1670 | );\r |
1671 | \r |
1672 | Status = *Position == 0xffffffff ? EFI_DEVICE_ERROR : EFI_SUCCESS;\r |
1673 | if (EFI_ERROR (Status)) {\r |
1674 | goto Done;\r |
1675 | }\r |
1676 | \r |
1677 | PosHigh64 = PositionHigh;\r |
1678 | *Position += LShiftU64 (PosHigh64, 32);\r |
1679 | }\r |
1680 | \r |
1681 | Done:\r |
1a682c8c |
1682 | gBS->RestoreTPL (OldTpl);\r |
878ddf1f |
1683 | return Status;\r |
1684 | }\r |
1685 | \r |
1686 | STATIC\r |
1687 | EFI_STATUS\r |
1688 | WinNtSimpleFileSystemFileInfo (\r |
1689 | IN WIN_NT_EFI_FILE_PRIVATE *PrivateFile,\r |
1690 | IN OUT UINTN *BufferSize,\r |
1691 | OUT VOID *Buffer\r |
1692 | )\r |
1693 | /*++\r |
1694 | \r |
1695 | Routine Description:\r |
1696 | \r |
1697 | TODO: Add function description\r |
1698 | \r |
1699 | Arguments:\r |
1700 | \r |
1701 | PrivateFile - TODO: add argument description\r |
1702 | BufferSize - TODO: add argument description\r |
1703 | Buffer - TODO: add argument description\r |
1704 | \r |
1705 | Returns:\r |
1706 | \r |
1707 | TODO: add return values\r |
1708 | \r |
1709 | --*/\r |
1710 | {\r |
1711 | EFI_STATUS Status;\r |
1712 | UINTN Size;\r |
1713 | UINTN NameSize;\r |
1714 | UINTN ResultSize;\r |
1715 | EFI_FILE_INFO *Info;\r |
1716 | BY_HANDLE_FILE_INFORMATION FileInfo;\r |
1717 | SYSTEMTIME SystemTime;\r |
1718 | CHAR16 *RealFileName;\r |
1719 | CHAR16 *TempPointer;\r |
f4c3fab9 |
1720 | EFI_FILE_INFO *DirInfo;\r |
1721 | UINTN ReadSize;\r |
1722 | UINT64 Location;\r |
1723 | EFI_STATUS DirStatus;\r |
1724 | \r |
878ddf1f |
1725 | \r |
1726 | Size = SIZE_OF_EFI_FILE_INFO;\r |
1727 | NameSize = StrSize (PrivateFile->FileName);\r |
1728 | ResultSize = Size + NameSize;\r |
1729 | \r |
1730 | Status = EFI_BUFFER_TOO_SMALL;\r |
1731 | if (*BufferSize >= ResultSize) {\r |
1732 | Status = EFI_SUCCESS;\r |
1733 | \r |
1734 | Info = Buffer;\r |
1735 | ZeroMem (Info, ResultSize);\r |
1736 | \r |
1737 | Info->Size = ResultSize;\r |
1738 | PrivateFile->WinNtThunk->GetFileInformationByHandle (\r |
1739 | PrivateFile->IsDirectoryPath ? PrivateFile->DirHandle : PrivateFile->LHandle,\r |
1740 | &FileInfo\r |
1741 | );\r |
1742 | Info->FileSize = FileInfo.nFileSizeLow;\r |
1743 | Info->PhysicalSize = Info->FileSize;\r |
1744 | \r |
1745 | PrivateFile->WinNtThunk->FileTimeToSystemTime (&FileInfo.ftCreationTime, &SystemTime);\r |
1746 | Info->CreateTime.Year = SystemTime.wYear;\r |
1747 | Info->CreateTime.Month = (UINT8) SystemTime.wMonth;\r |
1748 | Info->CreateTime.Day = (UINT8) SystemTime.wDay;\r |
1749 | Info->CreateTime.Hour = (UINT8) SystemTime.wHour;\r |
1750 | Info->CreateTime.Minute = (UINT8) SystemTime.wMinute;\r |
1751 | Info->CreateTime.Second = (UINT8) SystemTime.wSecond;\r |
1752 | \r |
1753 | PrivateFile->WinNtThunk->FileTimeToSystemTime (&FileInfo.ftLastAccessTime, &SystemTime);\r |
1754 | Info->LastAccessTime.Year = SystemTime.wYear;\r |
1755 | Info->LastAccessTime.Month = (UINT8) SystemTime.wMonth;\r |
1756 | Info->LastAccessTime.Day = (UINT8) SystemTime.wDay;\r |
1757 | Info->LastAccessTime.Hour = (UINT8) SystemTime.wHour;\r |
1758 | Info->LastAccessTime.Minute = (UINT8) SystemTime.wMinute;\r |
1759 | Info->LastAccessTime.Second = (UINT8) SystemTime.wSecond;\r |
1760 | \r |
1761 | PrivateFile->WinNtThunk->FileTimeToSystemTime (&FileInfo.ftLastWriteTime, &SystemTime);\r |
1762 | Info->ModificationTime.Year = SystemTime.wYear;\r |
1763 | Info->ModificationTime.Month = (UINT8) SystemTime.wMonth;\r |
1764 | Info->ModificationTime.Day = (UINT8) SystemTime.wDay;\r |
1765 | Info->ModificationTime.Hour = (UINT8) SystemTime.wHour;\r |
1766 | Info->ModificationTime.Minute = (UINT8) SystemTime.wMinute;\r |
1767 | Info->ModificationTime.Second = (UINT8) SystemTime.wSecond;\r |
1768 | \r |
1769 | if (FileInfo.dwFileAttributes & FILE_ATTRIBUTE_ARCHIVE) {\r |
1770 | Info->Attribute |= EFI_FILE_ARCHIVE;\r |
1771 | }\r |
1772 | \r |
1773 | if (FileInfo.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN) {\r |
1774 | Info->Attribute |= EFI_FILE_HIDDEN;\r |
1775 | }\r |
1776 | \r |
1777 | if (FileInfo.dwFileAttributes & FILE_ATTRIBUTE_READONLY) {\r |
1778 | Info->Attribute |= EFI_FILE_READ_ONLY;\r |
1779 | }\r |
1780 | \r |
1781 | if (FileInfo.dwFileAttributes & FILE_ATTRIBUTE_SYSTEM) {\r |
1782 | Info->Attribute |= EFI_FILE_SYSTEM;\r |
1783 | }\r |
1784 | \r |
1785 | if (FileInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {\r |
1786 | Info->Attribute |= EFI_FILE_DIRECTORY;\r |
1787 | }\r |
1788 | \r |
1789 | if (PrivateFile->IsDirectoryPath) {\r |
1790 | Info->Attribute |= EFI_FILE_DIRECTORY;\r |
1791 | }\r |
1792 | \r |
1793 | RealFileName = PrivateFile->FileName;\r |
1794 | TempPointer = RealFileName;\r |
1795 | \r |
1796 | while (*TempPointer) {\r |
1797 | if (*TempPointer == '\\') {\r |
1798 | RealFileName = TempPointer + 1;\r |
1799 | }\r |
1800 | \r |
1801 | TempPointer++;\r |
1802 | }\r |
1803 | \r |
1804 | if (PrivateFile->IsRootDirectory) {\r |
1805 | *((CHAR8 *) Buffer + Size) = 0;\r |
1806 | } else {\r |
1807 | CopyMem ((CHAR8 *) Buffer + Size, RealFileName, NameSize);\r |
1808 | }\r |
f4c3fab9 |
1809 | \r |
1810 | if (Info->Attribute & EFI_FILE_DIRECTORY) {\r |
1811 | //\r |
1812 | // The GetFileInformationByHandle.nFileSizeLow is bogus for dir so we \r |
1813 | // need to do the same thing the caller would do to get the right value\r |
1814 | //\r |
1815 | ASSERT (PrivateFile->EfiFile.Read != NULL);\r |
1816 | DirStatus = PrivateFile->EfiFile.GetPosition (&PrivateFile->EfiFile, &Location);\r |
1817 | if (EFI_ERROR (DirStatus)) {\r |
1818 | Location = 0;\r |
1819 | }\r |
1820 | \r |
1821 | PrivateFile->EfiFile.SetPosition (&PrivateFile->EfiFile, 0);\r |
1822 | Info->FileSize = 0; \r |
1823 | do {\r |
1824 | ReadSize = 0;\r |
1825 | DirInfo = NULL;\r |
1826 | DirStatus = PrivateFile->EfiFile.Read (&PrivateFile->EfiFile, &ReadSize, DirInfo);\r |
1827 | if (DirStatus == EFI_BUFFER_TOO_SMALL) {\r |
1828 | DirInfo = AllocatePool (ReadSize);\r |
1829 | if (DirInfo != NULL) {\r |
1830 | //\r |
1831 | // Read each dir entry to figure out how big the directory is\r |
1832 | //\r |
1833 | DirStatus = PrivateFile->EfiFile.Read (&PrivateFile->EfiFile, &ReadSize, DirInfo);\r |
1834 | if (!EFI_ERROR (DirStatus) && (ReadSize != 0)) {\r |
1835 | Info->FileSize += ReadSize;\r |
1836 | }\r |
1837 | FreePool (DirInfo);\r |
1838 | }\r |
1839 | }\r |
1840 | \r |
1841 | } while (!EFI_ERROR (DirStatus) && (ReadSize != 0));\r |
1842 | \r |
1843 | //\r |
1844 | // reset the file possition back to the previous location\r |
1845 | //\r |
1846 | PrivateFile->EfiFile.SetPosition (&PrivateFile->EfiFile, Location);\r |
1847 | }\r |
878ddf1f |
1848 | }\r |
1849 | \r |
1850 | *BufferSize = ResultSize;\r |
1851 | return Status;\r |
1852 | }\r |
1853 | \r |
1854 | EFI_STATUS\r |
1855 | EFIAPI\r |
1856 | WinNtSimpleFileSystemGetInfo (\r |
1857 | IN EFI_FILE *This,\r |
1858 | IN EFI_GUID *InformationType,\r |
1859 | IN OUT UINTN *BufferSize,\r |
1860 | OUT VOID *Buffer\r |
1861 | )\r |
1862 | /*++\r |
1863 | \r |
1864 | Routine Description:\r |
1865 | \r |
1866 | Return information about a file or volume.\r |
1867 | \r |
1868 | Arguments:\r |
1869 | \r |
1870 | This - Pointer to an opened file handle.\r |
1871 | \r |
1872 | InformationType - GUID describing the type of information to be returned.\r |
1873 | \r |
1874 | BufferSize - On input, the size of the information buffer. On output, the number of bytes written to the\r |
1875 | information buffer.\r |
1876 | \r |
1877 | Buffer - Pointer to the first byte of the information buffer.\r |
1878 | \r |
1879 | Returns:\r |
1880 | \r |
1881 | EFI_SUCCESS - The requested information has been written into the buffer.\r |
1882 | \r |
1883 | EFI_UNSUPPORTED - The InformationType is not known.\r |
1884 | \r |
1885 | EFI_NO_MEDIA - The device has no media.\r |
1886 | \r |
1887 | EFI_DEVICE_ERROR - The device reported an error.\r |
1888 | \r |
1889 | EFI_VOLUME_CORRUPTED - The file system structures are corrupt.\r |
1890 | \r |
1891 | EFI_BUFFER_TOO_SMALL - The buffer size was too small to contain the requested information. The buffer size has\r |
1892 | been updated with the size needed to complete the requested operation.\r |
1893 | \r |
1894 | --*/\r |
1895 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
1896 | {\r |
1897 | EFI_STATUS Status;\r |
1898 | WIN_NT_EFI_FILE_PRIVATE *PrivateFile;\r |
1899 | EFI_FILE_SYSTEM_INFO *FileSystemInfoBuffer;\r |
1900 | UINT32 SectorsPerCluster;\r |
1901 | UINT32 BytesPerSector;\r |
1902 | UINT32 FreeClusters;\r |
1903 | UINT32 TotalClusters;\r |
1904 | UINT32 BytesPerCluster;\r |
1905 | CHAR16 *DriveName;\r |
1906 | BOOLEAN DriveNameFound;\r |
1907 | BOOL NtStatus;\r |
1908 | UINTN Index;\r |
1909 | WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE *PrivateRoot;\r |
1a682c8c |
1910 | EFI_TPL OldTpl;\r |
878ddf1f |
1911 | \r |
1912 | if (This == NULL || InformationType == NULL || BufferSize == NULL) {\r |
1913 | return EFI_INVALID_PARAMETER;\r |
1914 | }\r |
1915 | \r |
1a682c8c |
1916 | OldTpl = gBS->RaiseTPL (EFI_TPL_CALLBACK);\r |
1917 | \r |
878ddf1f |
1918 | PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r |
1919 | PrivateRoot = WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile->SimpleFileSystem);\r |
1920 | \r |
1921 | Status = EFI_UNSUPPORTED;\r |
1922 | \r |
1923 | if (CompareGuid (InformationType, &gEfiFileInfoGuid)) {\r |
1924 | Status = WinNtSimpleFileSystemFileInfo (PrivateFile, BufferSize, Buffer);\r |
1925 | }\r |
1926 | \r |
1927 | if (CompareGuid (InformationType, &gEfiFileSystemInfoGuid)) {\r |
1928 | if (*BufferSize < SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel)) {\r |
1929 | *BufferSize = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel);\r |
1a682c8c |
1930 | Status = EFI_BUFFER_TOO_SMALL;\r |
1931 | goto Done;\r |
878ddf1f |
1932 | }\r |
1933 | \r |
1934 | FileSystemInfoBuffer = (EFI_FILE_SYSTEM_INFO *) Buffer;\r |
1935 | FileSystemInfoBuffer->Size = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel);\r |
1936 | FileSystemInfoBuffer->ReadOnly = FALSE;\r |
1937 | \r |
1938 | //\r |
1939 | // Try to get the drive name\r |
1940 | //\r |
878ddf1f |
1941 | DriveNameFound = FALSE;\r |
fa332de7 |
1942 | DriveName = AllocatePool (StrSize (PrivateFile->FilePath) + 1);\r |
1943 | if (DriveName == NULL) {\r |
1944 | Status = EFI_OUT_OF_RESOURCES;\r |
1a682c8c |
1945 | goto Done;\r |
878ddf1f |
1946 | }\r |
1947 | \r |
1948 | StrCpy (DriveName, PrivateFile->FilePath);\r |
1949 | for (Index = 0; DriveName[Index] != 0 && DriveName[Index] != ':'; Index++) {\r |
1950 | ;\r |
1951 | }\r |
1952 | \r |
1953 | if (DriveName[Index] == ':') {\r |
1954 | DriveName[Index + 1] = '\\';\r |
1955 | DriveName[Index + 2] = 0;\r |
1956 | DriveNameFound = TRUE;\r |
1957 | } else if (DriveName[0] == '\\' && DriveName[1] == '\\') {\r |
1958 | for (Index = 2; DriveName[Index] != 0 && DriveName[Index] != '\\'; Index++) {\r |
1959 | ;\r |
1960 | }\r |
1961 | \r |
1962 | if (DriveName[Index] == '\\') {\r |
1963 | DriveNameFound = TRUE;\r |
1964 | for (Index++; DriveName[Index] != 0 && DriveName[Index] != '\\'; Index++) {\r |
1965 | ;\r |
1966 | }\r |
1967 | \r |
1968 | DriveName[Index] = '\\';\r |
1969 | DriveName[Index + 1] = 0;\r |
1970 | }\r |
1971 | }\r |
1972 | \r |
1973 | //\r |
1974 | // Try GetDiskFreeSpace first\r |
1975 | //\r |
1976 | NtStatus = PrivateFile->WinNtThunk->GetDiskFreeSpace (\r |
1977 | DriveNameFound ? DriveName : NULL,\r |
1978 | &SectorsPerCluster,\r |
1979 | &BytesPerSector,\r |
1980 | &FreeClusters,\r |
1981 | &TotalClusters\r |
1982 | );\r |
1983 | if (DriveName) {\r |
fa332de7 |
1984 | FreePool (DriveName);\r |
878ddf1f |
1985 | }\r |
1986 | \r |
1987 | if (NtStatus) {\r |
1988 | //\r |
1989 | // Succeeded\r |
1990 | //\r |
1991 | BytesPerCluster = BytesPerSector * SectorsPerCluster;\r |
1992 | FileSystemInfoBuffer->VolumeSize = MultU64x32 (TotalClusters, BytesPerCluster);\r |
1993 | FileSystemInfoBuffer->FreeSpace = MultU64x32 (FreeClusters, BytesPerCluster);\r |
1994 | FileSystemInfoBuffer->BlockSize = BytesPerCluster;\r |
1995 | \r |
1996 | } else {\r |
1997 | //\r |
1998 | // try GetDiskFreeSpaceEx then\r |
1999 | //\r |
2000 | FileSystemInfoBuffer->BlockSize = 0;\r |
2001 | NtStatus = PrivateFile->WinNtThunk->GetDiskFreeSpaceEx (\r |
2002 | PrivateFile->FilePath,\r |
2003 | (PULARGE_INTEGER) (&FileSystemInfoBuffer->FreeSpace),\r |
2004 | (PULARGE_INTEGER) (&FileSystemInfoBuffer->VolumeSize),\r |
2005 | NULL\r |
2006 | );\r |
2007 | if (!NtStatus) {\r |
1a682c8c |
2008 | Status = EFI_DEVICE_ERROR;\r |
2009 | goto Done;\r |
878ddf1f |
2010 | }\r |
2011 | }\r |
2012 | \r |
2013 | StrCpy ((CHAR16 *) FileSystemInfoBuffer->VolumeLabel, PrivateRoot->VolumeLabel);\r |
2014 | *BufferSize = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel);\r |
2015 | Status = EFI_SUCCESS;\r |
2016 | }\r |
2017 | \r |
2018 | if (CompareGuid (InformationType, &gEfiFileSystemVolumeLabelInfoIdGuid)) {\r |
2019 | if (*BufferSize < StrSize (PrivateRoot->VolumeLabel)) {\r |
2020 | *BufferSize = StrSize (PrivateRoot->VolumeLabel);\r |
1a682c8c |
2021 | Status = EFI_BUFFER_TOO_SMALL;\r |
2022 | goto Done;\r |
878ddf1f |
2023 | }\r |
2024 | \r |
2025 | StrCpy ((CHAR16 *) Buffer, PrivateRoot->VolumeLabel);\r |
2026 | *BufferSize = StrSize (PrivateRoot->VolumeLabel);\r |
2027 | Status = EFI_SUCCESS;\r |
2028 | }\r |
2029 | \r |
1a682c8c |
2030 | Done:\r |
2031 | gBS->RestoreTPL (OldTpl);\r |
878ddf1f |
2032 | return Status;\r |
2033 | }\r |
2034 | \r |
2035 | EFI_STATUS\r |
2036 | EFIAPI\r |
2037 | WinNtSimpleFileSystemSetInfo (\r |
2038 | IN EFI_FILE *This,\r |
2039 | IN EFI_GUID *InformationType,\r |
2040 | IN UINTN BufferSize,\r |
2041 | IN VOID *Buffer\r |
2042 | )\r |
2043 | /*++\r |
2044 | \r |
2045 | Routine Description:\r |
2046 | \r |
2047 | Set information about a file or volume.\r |
2048 | \r |
2049 | Arguments:\r |
2050 | \r |
2051 | This - Pointer to an opened file handle.\r |
2052 | \r |
2053 | InformationType - GUID identifying the type of information to set.\r |
2054 | \r |
2055 | BufferSize - Number of bytes of data in the information buffer.\r |
2056 | \r |
2057 | Buffer - Pointer to the first byte of data in the information buffer.\r |
2058 | \r |
2059 | Returns:\r |
2060 | \r |
2061 | EFI_SUCCESS - The file or volume information has been updated.\r |
2062 | \r |
2063 | EFI_UNSUPPORTED - The information identifier is not recognised.\r |
2064 | \r |
2065 | EFI_NO_MEDIA - The device has no media.\r |
2066 | \r |
2067 | EFI_DEVICE_ERROR - The device reported an error.\r |
2068 | \r |
2069 | EFI_VOLUME_CORRUPTED - The file system structures are corrupt.\r |
2070 | \r |
2071 | EFI_WRITE_PROTECTED - The file, directory, volume, or device is write protected.\r |
2072 | \r |
2073 | EFI_ACCESS_DENIED - The file was opened read-only.\r |
2074 | \r |
2075 | EFI_VOLUME_FULL - The volume is full.\r |
2076 | \r |
2077 | EFI_BAD_BUFFER_SIZE - The buffer size is smaller than the type indicated by InformationType.\r |
2078 | \r |
2079 | --*/\r |
2080 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
2081 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
2082 | {\r |
2083 | WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE *PrivateRoot;\r |
2084 | WIN_NT_EFI_FILE_PRIVATE *PrivateFile;\r |
2085 | EFI_FILE_INFO *OldFileInfo;\r |
2086 | EFI_FILE_INFO *NewFileInfo;\r |
2087 | EFI_STATUS Status;\r |
2088 | UINTN OldInfoSize;\r |
2089 | INTN NtStatus;\r |
2090 | UINT32 NewAttr;\r |
2091 | UINT32 OldAttr;\r |
2092 | CHAR16 *OldFileName;\r |
2093 | CHAR16 *NewFileName;\r |
2094 | CHAR16 *TempFileName;\r |
2095 | CHAR16 *CharPointer;\r |
2096 | BOOLEAN AttrChangeFlag;\r |
2097 | BOOLEAN NameChangeFlag;\r |
2098 | BOOLEAN SizeChangeFlag;\r |
2099 | BOOLEAN TimeChangeFlag;\r |
2100 | UINT64 CurPos;\r |
2101 | SYSTEMTIME NewCreationSystemTime;\r |
2102 | SYSTEMTIME NewLastAccessSystemTime;\r |
2103 | SYSTEMTIME NewLastWriteSystemTime;\r |
2104 | FILETIME NewCreationFileTime;\r |
2105 | FILETIME NewLastAccessFileTime;\r |
2106 | FILETIME NewLastWriteFileTime;\r |
2107 | WIN32_FIND_DATA FindBuf;\r |
2108 | EFI_FILE_SYSTEM_INFO *NewFileSystemInfo;\r |
1a682c8c |
2109 | EFI_TPL OldTpl;\r |
878ddf1f |
2110 | \r |
2111 | //\r |
2112 | // Check for invalid parameters.\r |
2113 | //\r |
2114 | if (This == NULL || InformationType == NULL || BufferSize == 0 || Buffer == NULL) {\r |
2115 | return EFI_INVALID_PARAMETER;\r |
2116 | }\r |
2117 | \r |
1a682c8c |
2118 | OldTpl = gBS->RaiseTPL (EFI_TPL_CALLBACK);\r |
2119 | \r |
878ddf1f |
2120 | //\r |
2121 | // Initialise locals.\r |
2122 | //\r |
2123 | PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r |
2124 | PrivateRoot = WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile->SimpleFileSystem);\r |
2125 | \r |
2126 | Status = EFI_UNSUPPORTED;\r |
2127 | OldFileInfo = NewFileInfo = NULL;\r |
2128 | OldFileName = NewFileName = NULL;\r |
2129 | AttrChangeFlag = NameChangeFlag = SizeChangeFlag = TimeChangeFlag = FALSE;\r |
2130 | \r |
2131 | //\r |
2132 | // Set file system information.\r |
2133 | //\r |
2134 | if (CompareGuid (InformationType, &gEfiFileSystemInfoGuid)) {\r |
2135 | if (BufferSize < SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel)) {\r |
1a682c8c |
2136 | Status = EFI_BAD_BUFFER_SIZE;\r |
2137 | goto Done;\r |
878ddf1f |
2138 | }\r |
2139 | \r |
2140 | NewFileSystemInfo = (EFI_FILE_SYSTEM_INFO *) Buffer;\r |
2141 | \r |
fa332de7 |
2142 | FreePool (PrivateRoot->VolumeLabel);\r |
2143 | PrivateRoot->VolumeLabel = AllocatePool (StrSize (NewFileSystemInfo->VolumeLabel));\r |
2144 | if (PrivateRoot->VolumeLabel == NULL) {\r |
2145 | Status = EFI_OUT_OF_RESOURCES;\r |
878ddf1f |
2146 | goto Done;\r |
2147 | }\r |
2148 | \r |
2149 | StrCpy (PrivateRoot->VolumeLabel, NewFileSystemInfo->VolumeLabel);\r |
2150 | \r |
1a682c8c |
2151 | Status = EFI_SUCCESS;\r |
2152 | goto Done;\r |
878ddf1f |
2153 | }\r |
2154 | \r |
2155 | //\r |
2156 | // Set volume label information.\r |
2157 | //\r |
2158 | if (CompareGuid (InformationType, &gEfiFileSystemVolumeLabelInfoIdGuid)) {\r |
2159 | if (BufferSize < StrSize (PrivateRoot->VolumeLabel)) {\r |
1a682c8c |
2160 | Status = EFI_BAD_BUFFER_SIZE;\r |
2161 | goto Done;\r |
878ddf1f |
2162 | }\r |
2163 | \r |
2164 | StrCpy (PrivateRoot->VolumeLabel, (CHAR16 *) Buffer);\r |
2165 | \r |
1a682c8c |
2166 | Status = EFI_SUCCESS;\r |
2167 | goto Done;\r |
878ddf1f |
2168 | }\r |
2169 | \r |
2170 | if (!CompareGuid (InformationType, &gEfiFileInfoGuid)) {\r |
1a682c8c |
2171 | Status = EFI_UNSUPPORTED;\r |
2172 | goto Done;\r |
878ddf1f |
2173 | }\r |
2174 | \r |
2175 | if (BufferSize < SIZE_OF_EFI_FILE_INFO) {\r |
1a682c8c |
2176 | Status = EFI_BAD_BUFFER_SIZE;\r |
2177 | goto Done;\r |
878ddf1f |
2178 | }\r |
2179 | \r |
2180 | //\r |
2181 | // Set file/directory information.\r |
2182 | //\r |
2183 | \r |
2184 | //\r |
2185 | // Check for invalid set file information parameters.\r |
2186 | //\r |
2187 | NewFileInfo = (EFI_FILE_INFO *) Buffer;\r |
2188 | \r |
2189 | if (NewFileInfo->Size <= sizeof (EFI_FILE_INFO) ||\r |
2190 | (NewFileInfo->Attribute &~(EFI_FILE_VALID_ATTR)) ||\r |
2191 | (sizeof (UINTN) == 4 && NewFileInfo->Size > 0xFFFFFFFF)\r |
2192 | ) {\r |
1a682c8c |
2193 | Status = EFI_INVALID_PARAMETER;\r |
2194 | goto Done;\r |
878ddf1f |
2195 | }\r |
2196 | \r |
2197 | //\r |
2198 | // bugbug: - This is not safe. We need something like EfiStrMaxSize()\r |
2199 | // that would have an additional parameter that would be the size\r |
2200 | // of the string array just in case there are no NULL characters in\r |
2201 | // the string array.\r |
2202 | //\r |
2203 | //\r |
2204 | // Get current file information so we can determine what kind\r |
2205 | // of change request this is.\r |
2206 | //\r |
2207 | OldInfoSize = 0;\r |
2208 | Status = WinNtSimpleFileSystemFileInfo (PrivateFile, &OldInfoSize, NULL);\r |
2209 | \r |
2210 | if (Status != EFI_BUFFER_TOO_SMALL) {\r |
2211 | Status = EFI_DEVICE_ERROR;\r |
2212 | goto Done;\r |
2213 | }\r |
2214 | \r |
fa332de7 |
2215 | OldFileInfo = AllocatePool (OldInfoSize);\r |
2216 | if (OldFileInfo == NULL) {\r |
2217 | Status = EFI_OUT_OF_RESOURCES;\r |
878ddf1f |
2218 | goto Done;\r |
2219 | }\r |
2220 | \r |
2221 | Status = WinNtSimpleFileSystemFileInfo (PrivateFile, &OldInfoSize, OldFileInfo);\r |
2222 | \r |
2223 | if (EFI_ERROR (Status)) {\r |
2224 | goto Done;\r |
2225 | }\r |
2226 | \r |
fa332de7 |
2227 | OldFileName = AllocatePool (StrSize (PrivateFile->FileName));\r |
2228 | if (OldFileName == NULL) {\r |
2229 | Status = EFI_OUT_OF_RESOURCES;\r |
878ddf1f |
2230 | goto Done;\r |
2231 | }\r |
2232 | \r |
2233 | StrCpy (OldFileName, PrivateFile->FileName);\r |
2234 | \r |
2235 | //\r |
2236 | // Make full pathname from new filename and rootpath.\r |
2237 | //\r |
2238 | if (NewFileInfo->FileName[0] == '\\') {\r |
fa332de7 |
2239 | NewFileName = AllocatePool (StrSize (PrivateRoot->FilePath) + StrSize (L"\\") + StrSize (NewFileInfo->FileName));\r |
2240 | if (NewFileName == NULL) {\r |
2241 | Status = EFI_OUT_OF_RESOURCES;\r |
878ddf1f |
2242 | goto Done;\r |
2243 | }\r |
2244 | \r |
2245 | StrCpy (NewFileName, PrivateRoot->FilePath);\r |
2246 | StrCat (NewFileName, L"\\");\r |
2247 | StrCat (NewFileName, NewFileInfo->FileName + 1);\r |
2248 | } else {\r |
fa332de7 |
2249 | NewFileName = AllocatePool (StrSize (PrivateFile->FilePath) + StrSize (L"\\") + StrSize (NewFileInfo->FileName));\r |
2250 | if (NewFileName == NULL) {\r |
2251 | Status = EFI_OUT_OF_RESOURCES;\r |
878ddf1f |
2252 | goto Done;\r |
2253 | }\r |
2254 | \r |
2255 | StrCpy (NewFileName, PrivateFile->FilePath);\r |
2256 | StrCat (NewFileName, L"\\");\r |
2257 | StrCat (NewFileName, NewFileInfo->FileName);\r |
2258 | }\r |
2259 | \r |
2260 | //\r |
2261 | // Is there an attribute change request?\r |
2262 | //\r |
2263 | if (NewFileInfo->Attribute != OldFileInfo->Attribute) {\r |
2264 | if ((NewFileInfo->Attribute & EFI_FILE_DIRECTORY) != (OldFileInfo->Attribute & EFI_FILE_DIRECTORY)) {\r |
2265 | Status = EFI_INVALID_PARAMETER;\r |
2266 | goto Done;\r |
2267 | }\r |
2268 | \r |
2269 | AttrChangeFlag = TRUE;\r |
2270 | }\r |
2271 | \r |
2272 | //\r |
2273 | // Is there a name change request?\r |
2274 | // bugbug: - Need EfiStrCaseCmp()\r |
2275 | //\r |
2276 | if (StrCmp (NewFileInfo->FileName, OldFileInfo->FileName)) {\r |
2277 | NameChangeFlag = TRUE;\r |
2278 | }\r |
2279 | \r |
2280 | //\r |
2281 | // Is there a size change request?\r |
2282 | //\r |
2283 | if (NewFileInfo->FileSize != OldFileInfo->FileSize) {\r |
2284 | SizeChangeFlag = TRUE;\r |
2285 | }\r |
2286 | \r |
2287 | //\r |
2288 | // Is there a time stamp change request?\r |
2289 | //\r |
2290 | if (!IsZero (&NewFileInfo->CreateTime, sizeof (EFI_TIME)) &&\r |
2291 | CompareMem (&NewFileInfo->CreateTime, &OldFileInfo->CreateTime, sizeof (EFI_TIME))\r |
2292 | ) {\r |
2293 | TimeChangeFlag = TRUE;\r |
2294 | } else if (!IsZero (&NewFileInfo->LastAccessTime, sizeof (EFI_TIME)) &&\r |
2295 | CompareMem (&NewFileInfo->LastAccessTime, &OldFileInfo->LastAccessTime, sizeof (EFI_TIME))\r |
2296 | ) {\r |
2297 | TimeChangeFlag = TRUE;\r |
2298 | } else if (!IsZero (&NewFileInfo->ModificationTime, sizeof (EFI_TIME)) &&\r |
2299 | CompareMem (&NewFileInfo->ModificationTime, &OldFileInfo->ModificationTime, sizeof (EFI_TIME))\r |
2300 | ) {\r |
2301 | TimeChangeFlag = TRUE;\r |
2302 | }\r |
2303 | \r |
2304 | //\r |
2305 | // All done if there are no change requests being made.\r |
2306 | //\r |
2307 | if (!(AttrChangeFlag || NameChangeFlag || SizeChangeFlag || TimeChangeFlag)) {\r |
2308 | Status = EFI_SUCCESS;\r |
2309 | goto Done;\r |
2310 | }\r |
2311 | \r |
2312 | //\r |
2313 | // Set file or directory information.\r |
2314 | //\r |
2315 | OldAttr = PrivateFile->WinNtThunk->GetFileAttributes (OldFileName);\r |
2316 | \r |
2317 | //\r |
2318 | // Name change.\r |
2319 | //\r |
2320 | if (NameChangeFlag) {\r |
2321 | //\r |
2322 | // Close the handles first\r |
2323 | //\r |
2324 | if (PrivateFile->IsOpenedByRead) {\r |
2325 | Status = EFI_ACCESS_DENIED;\r |
2326 | goto Done;\r |
2327 | }\r |
2328 | \r |
2329 | for (CharPointer = NewFileName; *CharPointer != 0 && *CharPointer != L'/'; CharPointer++) {\r |
2330 | }\r |
2331 | \r |
2332 | if (*CharPointer != 0) {\r |
2333 | Status = EFI_ACCESS_DENIED;\r |
2334 | goto Done;\r |
2335 | }\r |
2336 | \r |
2337 | if (PrivateFile->LHandle != INVALID_HANDLE_VALUE) {\r |
2338 | if (PrivateFile->IsDirectoryPath) {\r |
2339 | PrivateFile->WinNtThunk->FindClose (PrivateFile->LHandle);\r |
2340 | } else {\r |
2341 | PrivateFile->WinNtThunk->CloseHandle (PrivateFile->LHandle);\r |
2342 | PrivateFile->LHandle = INVALID_HANDLE_VALUE;\r |
2343 | }\r |
2344 | }\r |
2345 | \r |
2346 | if (PrivateFile->IsDirectoryPath && PrivateFile->DirHandle != INVALID_HANDLE_VALUE) {\r |
2347 | PrivateFile->WinNtThunk->CloseHandle (PrivateFile->DirHandle);\r |
2348 | PrivateFile->DirHandle = INVALID_HANDLE_VALUE;\r |
2349 | }\r |
2350 | \r |
2351 | NtStatus = PrivateFile->WinNtThunk->MoveFile (OldFileName, NewFileName);\r |
2352 | \r |
2353 | if (NtStatus) {\r |
2354 | //\r |
2355 | // modify file name\r |
2356 | //\r |
fa332de7 |
2357 | FreePool (PrivateFile->FileName);\r |
878ddf1f |
2358 | \r |
fa332de7 |
2359 | PrivateFile->FileName = AllocatePool (StrSize (NewFileName));\r |
2360 | if (PrivateFile->FileName == NULL) {\r |
2361 | Status = EFI_OUT_OF_RESOURCES;\r |
878ddf1f |
2362 | goto Done;\r |
2363 | }\r |
2364 | \r |
2365 | StrCpy (PrivateFile->FileName, NewFileName);\r |
2366 | \r |
fa332de7 |
2367 | TempFileName = AllocatePool (StrSize (NewFileName) + StrSize (L"\\*"));\r |
878ddf1f |
2368 | \r |
2369 | StrCpy (TempFileName, NewFileName);\r |
2370 | \r |
2371 | if (!PrivateFile->IsDirectoryPath) {\r |
fa332de7 |
2372 | PrivateFile->LHandle = PrivateFile->WinNtThunk->CreateFile (\r |
878ddf1f |
2373 | TempFileName,\r |
2374 | PrivateFile->IsOpenedByRead ? GENERIC_READ : GENERIC_READ | GENERIC_WRITE,\r |
2375 | FILE_SHARE_READ | FILE_SHARE_WRITE,\r |
2376 | NULL,\r |
2377 | OPEN_EXISTING,\r |
2378 | 0,\r |
2379 | NULL\r |
2380 | );\r |
2381 | \r |
fa332de7 |
2382 | FreePool (TempFileName);\r |
878ddf1f |
2383 | \r |
2384 | //\r |
2385 | // Flush buffers just in case\r |
2386 | //\r |
2387 | if (PrivateFile->WinNtThunk->FlushFileBuffers (PrivateFile->LHandle) == 0) {\r |
2388 | Status = EFI_DEVICE_ERROR;\r |
2389 | goto Done;\r |
2390 | }\r |
2391 | } else {\r |
2392 | PrivateFile->DirHandle = PrivateFile->WinNtThunk->CreateFile (\r |
2393 | TempFileName,\r |
2394 | PrivateFile->IsOpenedByRead ? GENERIC_READ : GENERIC_READ | GENERIC_WRITE,\r |
2395 | FILE_SHARE_READ | FILE_SHARE_WRITE,\r |
2396 | NULL,\r |
2397 | OPEN_EXISTING,\r |
2398 | FILE_FLAG_BACKUP_SEMANTICS,\r |
2399 | NULL\r |
2400 | );\r |
2401 | \r |
2402 | StrCat (TempFileName, L"\\*");\r |
2403 | PrivateFile->LHandle = PrivateFile->WinNtThunk->FindFirstFile (TempFileName, &FindBuf);\r |
2404 | \r |
fa332de7 |
2405 | FreePool (TempFileName);\r |
878ddf1f |
2406 | }\r |
2407 | } else {\r |
2408 | Reopen: ;\r |
2409 | Status = EFI_DEVICE_ERROR;\r |
2410 | \r |
2411 | NtStatus = PrivateFile->WinNtThunk->SetFileAttributes (OldFileName, OldAttr);\r |
2412 | \r |
2413 | if (!NtStatus) {\r |
2414 | goto Done;\r |
2415 | }\r |
2416 | \r |
fa332de7 |
2417 | TempFileName = AllocatePool (StrSize (OldFileName) + StrSize (L"\\*"));\r |
878ddf1f |
2418 | \r |
2419 | StrCpy (TempFileName, OldFileName);\r |
2420 | \r |
2421 | if (!PrivateFile->IsDirectoryPath) {\r |
2422 | PrivateFile->LHandle = PrivateFile->WinNtThunk->CreateFile (\r |
2423 | TempFileName,\r |
2424 | PrivateFile->IsOpenedByRead ? GENERIC_READ : GENERIC_READ | GENERIC_WRITE,\r |
2425 | FILE_SHARE_READ | FILE_SHARE_WRITE,\r |
2426 | NULL,\r |
2427 | OPEN_EXISTING,\r |
2428 | 0,\r |
2429 | NULL\r |
2430 | );\r |
2431 | } else {\r |
2432 | PrivateFile->DirHandle = PrivateFile->WinNtThunk->CreateFile (\r |
2433 | TempFileName,\r |
2434 | PrivateFile->IsOpenedByRead ? GENERIC_READ : GENERIC_READ | GENERIC_WRITE,\r |
2435 | FILE_SHARE_READ | FILE_SHARE_WRITE,\r |
2436 | NULL,\r |
2437 | OPEN_EXISTING,\r |
2438 | FILE_FLAG_BACKUP_SEMANTICS,\r |
2439 | NULL\r |
2440 | );\r |
2441 | \r |
2442 | StrCat (TempFileName, L"\\*");\r |
2443 | PrivateFile->LHandle = PrivateFile->WinNtThunk->FindFirstFile (TempFileName, &FindBuf);\r |
2444 | }\r |
2445 | \r |
fa332de7 |
2446 | FreePool (TempFileName);\r |
878ddf1f |
2447 | \r |
2448 | goto Done;\r |
2449 | \r |
2450 | }\r |
2451 | }\r |
2452 | \r |
2453 | //\r |
2454 | // Size change\r |
2455 | //\r |
2456 | if (SizeChangeFlag) {\r |
2457 | if (PrivateFile->IsDirectoryPath) {\r |
2458 | Status = EFI_UNSUPPORTED;\r |
2459 | goto Done;\r |
2460 | }\r |
2461 | \r |
2462 | if (PrivateFile->IsOpenedByRead || OldFileInfo->Attribute & EFI_FILE_READ_ONLY) {\r |
2463 | Status = EFI_ACCESS_DENIED;\r |
2464 | goto Done;\r |
2465 | }\r |
2466 | \r |
2467 | Status = This->GetPosition (This, &CurPos);\r |
2468 | if (EFI_ERROR (Status)) {\r |
2469 | goto Done;\r |
2470 | }\r |
2471 | \r |
2472 | Status = This->SetPosition (This, NewFileInfo->FileSize);\r |
2473 | if (EFI_ERROR (Status)) {\r |
2474 | goto Done;\r |
2475 | }\r |
2476 | \r |
2477 | if (PrivateFile->WinNtThunk->SetEndOfFile (PrivateFile->LHandle) == 0) {\r |
2478 | Status = EFI_DEVICE_ERROR;\r |
2479 | goto Done;\r |
2480 | }\r |
2481 | \r |
2482 | Status = This->SetPosition (This, CurPos);\r |
2483 | if (EFI_ERROR (Status)) {\r |
2484 | goto Done;\r |
2485 | }\r |
2486 | }\r |
2487 | \r |
2488 | //\r |
2489 | // Time change\r |
2490 | //\r |
2491 | if (TimeChangeFlag) {\r |
2492 | \r |
2493 | NewCreationSystemTime.wYear = NewFileInfo->CreateTime.Year;\r |
2494 | NewCreationSystemTime.wMonth = NewFileInfo->CreateTime.Month;\r |
2495 | NewCreationSystemTime.wDay = NewFileInfo->CreateTime.Day;\r |
2496 | NewCreationSystemTime.wHour = NewFileInfo->CreateTime.Hour;\r |
2497 | NewCreationSystemTime.wMinute = NewFileInfo->CreateTime.Minute;\r |
2498 | NewCreationSystemTime.wSecond = NewFileInfo->CreateTime.Second;\r |
2499 | NewCreationSystemTime.wMilliseconds = 0;\r |
2500 | \r |
2501 | if (!PrivateFile->WinNtThunk->SystemTimeToFileTime (\r |
2502 | &NewCreationSystemTime,\r |
2503 | &NewCreationFileTime\r |
2504 | )) {\r |
2505 | goto Done;\r |
2506 | }\r |
2507 | \r |
2508 | NewLastAccessSystemTime.wYear = NewFileInfo->LastAccessTime.Year;\r |
2509 | NewLastAccessSystemTime.wMonth = NewFileInfo->LastAccessTime.Month;\r |
2510 | NewLastAccessSystemTime.wDay = NewFileInfo->LastAccessTime.Day;\r |
2511 | NewLastAccessSystemTime.wHour = NewFileInfo->LastAccessTime.Hour;\r |
2512 | NewLastAccessSystemTime.wMinute = NewFileInfo->LastAccessTime.Minute;\r |
2513 | NewLastAccessSystemTime.wSecond = NewFileInfo->LastAccessTime.Second;\r |
2514 | NewLastAccessSystemTime.wMilliseconds = 0;\r |
2515 | \r |
2516 | if (!PrivateFile->WinNtThunk->SystemTimeToFileTime (\r |
2517 | &NewLastAccessSystemTime,\r |
2518 | &NewLastAccessFileTime\r |
2519 | )) {\r |
2520 | goto Done;\r |
2521 | }\r |
2522 | \r |
2523 | NewLastWriteSystemTime.wYear = NewFileInfo->ModificationTime.Year;\r |
2524 | NewLastWriteSystemTime.wMonth = NewFileInfo->ModificationTime.Month;\r |
2525 | NewLastWriteSystemTime.wDay = NewFileInfo->ModificationTime.Day;\r |
2526 | NewLastWriteSystemTime.wHour = NewFileInfo->ModificationTime.Hour;\r |
2527 | NewLastWriteSystemTime.wMinute = NewFileInfo->ModificationTime.Minute;\r |
2528 | NewLastWriteSystemTime.wSecond = NewFileInfo->ModificationTime.Second;\r |
2529 | NewLastWriteSystemTime.wMilliseconds = 0;\r |
2530 | \r |
2531 | if (!PrivateFile->WinNtThunk->SystemTimeToFileTime (\r |
2532 | &NewLastWriteSystemTime,\r |
2533 | &NewLastWriteFileTime\r |
2534 | )) {\r |
2535 | goto Done;\r |
2536 | }\r |
2537 | \r |
2538 | if (!PrivateFile->WinNtThunk->SetFileTime (\r |
2539 | PrivateFile->IsDirectoryPath ? PrivateFile->DirHandle : PrivateFile->LHandle,\r |
2540 | &NewCreationFileTime,\r |
2541 | &NewLastAccessFileTime,\r |
2542 | &NewLastWriteFileTime\r |
2543 | )) {\r |
2544 | Status = EFI_DEVICE_ERROR;\r |
2545 | goto Done;\r |
2546 | }\r |
2547 | \r |
2548 | }\r |
2549 | \r |
2550 | //\r |
2551 | // No matter about AttrChangeFlag, Attribute must be set.\r |
2552 | // Because operation before may cause attribute change.\r |
2553 | //\r |
2554 | NewAttr = OldAttr;\r |
2555 | \r |
2556 | if (NewFileInfo->Attribute & EFI_FILE_ARCHIVE) {\r |
2557 | NewAttr |= FILE_ATTRIBUTE_ARCHIVE;\r |
2558 | } else {\r |
2559 | NewAttr &= ~FILE_ATTRIBUTE_ARCHIVE;\r |
2560 | }\r |
2561 | \r |
2562 | if (NewFileInfo->Attribute & EFI_FILE_HIDDEN) {\r |
2563 | NewAttr |= FILE_ATTRIBUTE_HIDDEN;\r |
2564 | } else {\r |
2565 | NewAttr &= ~FILE_ATTRIBUTE_HIDDEN;\r |
2566 | }\r |
2567 | \r |
2568 | if (NewFileInfo->Attribute & EFI_FILE_SYSTEM) {\r |
2569 | NewAttr |= FILE_ATTRIBUTE_SYSTEM;\r |
2570 | } else {\r |
2571 | NewAttr &= ~FILE_ATTRIBUTE_SYSTEM;\r |
2572 | }\r |
2573 | \r |
2574 | if (NewFileInfo->Attribute & EFI_FILE_READ_ONLY) {\r |
2575 | NewAttr |= FILE_ATTRIBUTE_READONLY;\r |
2576 | } else {\r |
2577 | NewAttr &= ~FILE_ATTRIBUTE_READONLY;\r |
2578 | }\r |
2579 | \r |
2580 | NtStatus = PrivateFile->WinNtThunk->SetFileAttributes (NewFileName, NewAttr);\r |
2581 | \r |
2582 | if (!NtStatus) {\r |
2583 | goto Reopen;\r |
2584 | }\r |
2585 | \r |
2586 | Done:\r |
2587 | if (OldFileInfo != NULL) {\r |
fa332de7 |
2588 | FreePool (OldFileInfo);\r |
878ddf1f |
2589 | }\r |
2590 | \r |
2591 | if (OldFileName != NULL) {\r |
fa332de7 |
2592 | FreePool (OldFileName);\r |
878ddf1f |
2593 | }\r |
2594 | \r |
2595 | if (NewFileName != NULL) {\r |
fa332de7 |
2596 | FreePool (NewFileName);\r |
878ddf1f |
2597 | }\r |
2598 | \r |
1a682c8c |
2599 | gBS->RestoreTPL (OldTpl);\r |
878ddf1f |
2600 | return Status;\r |
2601 | }\r |
2602 | \r |
2603 | EFI_STATUS\r |
2604 | EFIAPI\r |
2605 | WinNtSimpleFileSystemFlush (\r |
2606 | IN EFI_FILE *This\r |
2607 | )\r |
2608 | /*++\r |
2609 | \r |
2610 | Routine Description:\r |
2611 | \r |
2612 | Flush all modified data to the media.\r |
2613 | \r |
2614 | Arguments:\r |
2615 | \r |
2616 | This - Pointer to an opened file handle.\r |
2617 | \r |
2618 | Returns:\r |
2619 | \r |
2620 | EFI_SUCCESS - The data has been flushed.\r |
2621 | \r |
2622 | EFI_NO_MEDIA - The device has no media.\r |
2623 | \r |
2624 | EFI_DEVICE_ERROR - The device reported an error.\r |
2625 | \r |
2626 | EFI_VOLUME_CORRUPTED - The file system structures have been corrupted.\r |
2627 | \r |
2628 | EFI_WRITE_PROTECTED - The file, directory, volume, or device is write protected.\r |
2629 | \r |
2630 | EFI_ACCESS_DENIED - The file was opened read-only.\r |
2631 | \r |
2632 | EFI_VOLUME_FULL - The volume is full.\r |
2633 | \r |
2634 | --*/\r |
2635 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
2636 | {\r |
2637 | BY_HANDLE_FILE_INFORMATION FileInfo;\r |
2638 | WIN_NT_EFI_FILE_PRIVATE *PrivateFile;\r |
1a682c8c |
2639 | EFI_STATUS Status;\r |
2640 | EFI_TPL OldTpl;\r |
878ddf1f |
2641 | \r |
2642 | if (This == NULL) {\r |
2643 | return EFI_INVALID_PARAMETER;\r |
2644 | }\r |
2645 | \r |
1a682c8c |
2646 | OldTpl = gBS->RaiseTPL (EFI_TPL_CALLBACK);\r |
fa332de7 |
2647 | \r |
878ddf1f |
2648 | PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r |
2649 | \r |
2650 | if (PrivateFile->LHandle == INVALID_HANDLE_VALUE) {\r |
1a682c8c |
2651 | Status = EFI_DEVICE_ERROR;\r |
2652 | goto Done;\r |
878ddf1f |
2653 | }\r |
2654 | \r |
2655 | if (PrivateFile->IsDirectoryPath) {\r |
1a682c8c |
2656 | Status = EFI_SUCCESS;\r |
2657 | goto Done;\r |
878ddf1f |
2658 | }\r |
2659 | \r |
2660 | if (PrivateFile->IsOpenedByRead) {\r |
1a682c8c |
2661 | Status = EFI_ACCESS_DENIED;\r |
2662 | goto Done;\r |
878ddf1f |
2663 | }\r |
2664 | \r |
2665 | PrivateFile->WinNtThunk->GetFileInformationByHandle (PrivateFile->LHandle, &FileInfo);\r |
2666 | \r |
2667 | if (FileInfo.dwFileAttributes & FILE_ATTRIBUTE_READONLY) {\r |
1a682c8c |
2668 | Status = EFI_ACCESS_DENIED;\r |
2669 | goto Done;\r |
878ddf1f |
2670 | }\r |
2671 | \r |
1a682c8c |
2672 | Status = PrivateFile->WinNtThunk->FlushFileBuffers (PrivateFile->LHandle) ? EFI_SUCCESS : EFI_DEVICE_ERROR;\r |
878ddf1f |
2673 | \r |
1a682c8c |
2674 | Done:\r |
2675 | gBS->RestoreTPL (OldTpl);\r |
2676 | return Status;\r |
878ddf1f |
2677 | //\r |
2678 | // bugbug: - Use Windows error reporting.\r |
2679 | //\r |
2680 | }\r |
2681 | \r |
1a682c8c |
2682 | \r |