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