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1 | /*++\r |
2 | \r |
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3 | Copyright (c) 2006 - 2007, Intel Corporation \r |
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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 | UnixSimpleFileSystem.c\r |
15 | \r |
16 | Abstract:\r |
17 | \r |
377fc2ae |
18 | Produce Simple File System abstractions for directories on your PC using Posix APIs.\r |
19 | The configuration of what devices to mount or emulate comes from UNIX \r |
c9093a06 |
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 "UnixSimpleFileSystem.h"\r |
28 | \r |
29 | EFI_DRIVER_BINDING_PROTOCOL gUnixSimpleFileSystemDriverBinding = {\r |
30 | UnixSimpleFileSystemDriverBindingSupported,\r |
31 | UnixSimpleFileSystemDriverBindingStart,\r |
32 | UnixSimpleFileSystemDriverBindingStop,\r |
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33 | 0xa,\r |
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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 CHAR8 *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 | CHAR8 *Pointer;\r |
136 | \r |
137 | if (AsciiStrLen (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 | UnixSimpleFileSystemDriverBindingSupported (\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_UNIX_IO_PROTOCOL *UnixIo;\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 | &gEfiUnixIoProtocolGuid,\r |
196 | (VOID **)&UnixIo,\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 (UnixIo->TypeGuid, &gEfiUnixFileSystemGuid)) {\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 | &gEfiUnixIoProtocolGuid,\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 | UnixSimpleFileSystemDriverBindingStart (\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_UNIX_IO_PROTOCOL *UnixIo;\r |
259 | UNIX_SIMPLE_FILE_SYSTEM_PRIVATE *Private;\r |
caea5554 |
260 | INTN i;\r |
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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 | &gEfiUnixIoProtocolGuid,\r |
270 | (VOID **)&UnixIo,\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 (UnixIo->TypeGuid, &gEfiUnixFileSystemGuid)) {\r |
283 | Status = EFI_UNSUPPORTED;\r |
284 | goto Done;\r |
285 | }\r |
286 | \r |
287 | Status = gBS->AllocatePool (\r |
288 | EfiBootServicesData,\r |
289 | sizeof (UNIX_SIMPLE_FILE_SYSTEM_PRIVATE),\r |
290 | (VOID **)&Private\r |
291 | );\r |
292 | if (EFI_ERROR (Status)) {\r |
293 | goto Done;\r |
294 | }\r |
295 | \r |
296 | Private->Signature = UNIX_SIMPLE_FILE_SYSTEM_PRIVATE_SIGNATURE;\r |
297 | Private->UnixThunk = UnixIo->UnixThunk;\r |
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298 | Private->FilePath = NULL;\r |
299 | Private->VolumeLabel = NULL;\r |
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300 | \r |
301 | Status = gBS->AllocatePool (\r |
302 | EfiBootServicesData,\r |
303 | StrLen (UnixIo->EnvString) + 1,\r |
304 | (VOID **)&Private->FilePath\r |
305 | );\r |
306 | \r |
307 | if (EFI_ERROR (Status)) {\r |
308 | goto Done;\r |
309 | }\r |
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310 | \r |
311 | for (i = 0; UnixIo->EnvString[i] != 0; i++)\r |
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312 | Private->FilePath[i] = UnixIo->EnvString[i];\r |
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313 | Private->FilePath[i] = 0;\r |
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314 | \r |
315 | Private->VolumeLabel = NULL;\r |
316 | Status = gBS->AllocatePool (\r |
317 | EfiBootServicesData,\r |
318 | StrSize (L"EFI_EMULATED"),\r |
319 | (VOID **)&Private->VolumeLabel\r |
320 | );\r |
321 | \r |
322 | if (EFI_ERROR (Status)) {\r |
323 | goto Done;\r |
324 | }\r |
325 | \r |
326 | StrCpy (Private->VolumeLabel, L"EFI_EMULATED");\r |
327 | \r |
328 | Private->SimpleFileSystem.Revision = EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION;\r |
329 | Private->SimpleFileSystem.OpenVolume = UnixSimpleFileSystemOpenVolume;\r |
330 | \r |
331 | Private->ControllerNameTable = NULL;\r |
332 | \r |
333 | AddUnicodeString (\r |
334 | "eng",\r |
335 | gUnixSimpleFileSystemComponentName.SupportedLanguages,\r |
336 | &Private->ControllerNameTable,\r |
337 | UnixIo->EnvString\r |
338 | );\r |
339 | \r |
340 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
341 | &ControllerHandle,\r |
342 | &gEfiSimpleFileSystemProtocolGuid,\r |
343 | &Private->SimpleFileSystem,\r |
344 | NULL\r |
345 | );\r |
346 | \r |
347 | Done:\r |
348 | if (EFI_ERROR (Status)) {\r |
349 | \r |
350 | if (Private != NULL) {\r |
351 | \r |
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352 | if (Private->VolumeLabel != NULL)\r |
353 | gBS->FreePool (Private->VolumeLabel);\r |
354 | if (Private->FilePath != NULL)\r |
355 | gBS->FreePool (Private->FilePath);\r |
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356 | FreeUnicodeStringTable (Private->ControllerNameTable);\r |
357 | \r |
358 | gBS->FreePool (Private);\r |
359 | }\r |
360 | \r |
361 | gBS->CloseProtocol (\r |
362 | ControllerHandle,\r |
363 | &gEfiUnixIoProtocolGuid,\r |
364 | This->DriverBindingHandle,\r |
365 | ControllerHandle\r |
366 | );\r |
367 | }\r |
368 | \r |
369 | return Status;\r |
370 | }\r |
371 | \r |
372 | EFI_STATUS\r |
373 | EFIAPI\r |
374 | UnixSimpleFileSystemDriverBindingStop (\r |
375 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
376 | IN EFI_HANDLE ControllerHandle,\r |
377 | IN UINTN NumberOfChildren,\r |
378 | IN EFI_HANDLE *ChildHandleBuffer\r |
379 | )\r |
380 | /*++\r |
381 | \r |
382 | Routine Description:\r |
383 | \r |
384 | TODO: Add function description\r |
385 | \r |
386 | Arguments:\r |
387 | \r |
388 | This - A pointer to an instance of the EFI_DRIVER_BINDING_PROTOCOL.\r |
389 | \r |
390 | ControllerHandle - A handle to the device to be stopped.\r |
391 | \r |
392 | NumberOfChildren - The number of child device handles in ChildHandleBuffer.\r |
393 | \r |
394 | ChildHandleBuffer - An array of child device handles to be freed.\r |
395 | \r |
396 | Returns:\r |
397 | \r |
398 | EFI_SUCCESS - The device has been stopped.\r |
399 | \r |
400 | EFI_DEVICE_ERROR - The device could not be stopped due to a device failure.\r |
401 | \r |
402 | --*/\r |
403 | // TODO: EFI_UNSUPPORTED - add return value to function comment\r |
404 | {\r |
405 | EFI_STATUS Status;\r |
406 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *SimpleFileSystem;\r |
407 | UNIX_SIMPLE_FILE_SYSTEM_PRIVATE *Private;\r |
408 | \r |
409 | //\r |
410 | // Get our context back\r |
411 | //\r |
412 | Status = gBS->OpenProtocol (\r |
413 | ControllerHandle,\r |
414 | &gEfiSimpleFileSystemProtocolGuid,\r |
415 | (VOID **)&SimpleFileSystem,\r |
416 | This->DriverBindingHandle,\r |
417 | ControllerHandle,\r |
418 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r |
419 | );\r |
420 | if (EFI_ERROR (Status)) {\r |
421 | return EFI_UNSUPPORTED;\r |
422 | }\r |
423 | \r |
424 | Private = UNIX_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (SimpleFileSystem);\r |
425 | \r |
426 | //\r |
427 | // Uninstall the Simple File System Protocol from ControllerHandle\r |
428 | //\r |
429 | Status = gBS->UninstallMultipleProtocolInterfaces (\r |
430 | ControllerHandle,\r |
431 | &gEfiSimpleFileSystemProtocolGuid,\r |
432 | &Private->SimpleFileSystem,\r |
433 | NULL\r |
434 | );\r |
435 | if (!EFI_ERROR (Status)) {\r |
436 | Status = gBS->CloseProtocol (\r |
437 | ControllerHandle,\r |
438 | &gEfiUnixIoProtocolGuid,\r |
439 | This->DriverBindingHandle,\r |
440 | ControllerHandle\r |
441 | );\r |
442 | }\r |
443 | \r |
444 | if (!EFI_ERROR (Status)) {\r |
445 | //\r |
446 | // Free our instance data\r |
447 | //\r |
448 | FreeUnicodeStringTable (Private->ControllerNameTable);\r |
449 | \r |
450 | gBS->FreePool (Private);\r |
451 | }\r |
452 | \r |
453 | return Status;\r |
454 | }\r |
455 | \r |
456 | EFI_STATUS\r |
457 | EFIAPI\r |
458 | UnixSimpleFileSystemOpenVolume (\r |
459 | IN EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *This,\r |
460 | OUT EFI_FILE **Root\r |
461 | )\r |
462 | /*++\r |
463 | \r |
464 | Routine Description:\r |
465 | \r |
466 | Open the root directory on a volume.\r |
467 | \r |
468 | Arguments:\r |
469 | \r |
470 | This - A pointer to the volume to open.\r |
471 | \r |
472 | Root - A pointer to storage for the returned opened file handle of the root directory.\r |
473 | \r |
474 | Returns:\r |
475 | \r |
476 | EFI_SUCCESS - The volume was opened.\r |
477 | \r |
478 | EFI_UNSUPPORTED - The volume does not support the requested file system type.\r |
479 | \r |
480 | EFI_NO_MEDIA - The device has no media.\r |
481 | \r |
482 | EFI_DEVICE_ERROR - The device reported an error.\r |
483 | \r |
484 | EFI_VOLUME_CORRUPTED - The file system structures are corrupted.\r |
485 | \r |
486 | EFI_ACCESS_DENIED - The service denied access to the file.\r |
487 | \r |
488 | EFI_OUT_OF_RESOURCES - The file volume could not be opened due to lack of resources.\r |
489 | \r |
490 | EFI_MEDIA_CHANGED - The device has new media or the media is no longer supported.\r |
491 | \r |
492 | --*/\r |
493 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
494 | {\r |
495 | EFI_STATUS Status;\r |
496 | UNIX_SIMPLE_FILE_SYSTEM_PRIVATE *Private;\r |
497 | UNIX_EFI_FILE_PRIVATE *PrivateFile;\r |
498 | \r |
499 | if (This == NULL || Root == NULL) {\r |
500 | return EFI_INVALID_PARAMETER;\r |
501 | }\r |
502 | \r |
503 | Private = UNIX_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (This);\r |
504 | \r |
505 | PrivateFile = NULL;\r |
506 | Status = gBS->AllocatePool (\r |
507 | EfiBootServicesData,\r |
508 | sizeof (UNIX_EFI_FILE_PRIVATE),\r |
509 | (VOID **)&PrivateFile\r |
510 | );\r |
511 | if (EFI_ERROR (Status)) {\r |
512 | goto Done;\r |
513 | }\r |
514 | \r |
515 | PrivateFile->FileName = NULL;\r |
516 | Status = gBS->AllocatePool (\r |
517 | EfiBootServicesData,\r |
518 | AsciiStrSize (Private->FilePath),\r |
519 | (VOID **)&PrivateFile->FileName\r |
520 | );\r |
521 | if (EFI_ERROR (Status)) {\r |
522 | goto Done;\r |
523 | }\r |
524 | \r |
525 | AsciiStrCpy (PrivateFile->FileName, Private->FilePath);\r |
526 | PrivateFile->Signature = UNIX_EFI_FILE_PRIVATE_SIGNATURE;\r |
527 | PrivateFile->UnixThunk = Private->UnixThunk;\r |
528 | PrivateFile->SimpleFileSystem = This;\r |
529 | PrivateFile->IsRootDirectory = TRUE;\r |
530 | PrivateFile->IsDirectoryPath = TRUE;\r |
531 | PrivateFile->IsOpenedByRead = TRUE;\r |
532 | PrivateFile->EfiFile.Revision = EFI_FILE_HANDLE_REVISION;\r |
533 | PrivateFile->EfiFile.Open = UnixSimpleFileSystemOpen;\r |
534 | PrivateFile->EfiFile.Close = UnixSimpleFileSystemClose;\r |
535 | PrivateFile->EfiFile.Delete = UnixSimpleFileSystemDelete;\r |
536 | PrivateFile->EfiFile.Read = UnixSimpleFileSystemRead;\r |
537 | PrivateFile->EfiFile.Write = UnixSimpleFileSystemWrite;\r |
538 | PrivateFile->EfiFile.GetPosition = UnixSimpleFileSystemGetPosition;\r |
539 | PrivateFile->EfiFile.SetPosition = UnixSimpleFileSystemSetPosition;\r |
540 | PrivateFile->EfiFile.GetInfo = UnixSimpleFileSystemGetInfo;\r |
541 | PrivateFile->EfiFile.SetInfo = UnixSimpleFileSystemSetInfo;\r |
542 | PrivateFile->EfiFile.Flush = UnixSimpleFileSystemFlush;\r |
caea5554 |
543 | PrivateFile->fd = -1;\r |
544 | PrivateFile->Dir = NULL;\r |
545 | PrivateFile->Dirent = NULL;\r |
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546 | \r |
547 | *Root = &PrivateFile->EfiFile;\r |
548 | \r |
caea5554 |
549 | PrivateFile->Dir = PrivateFile->UnixThunk->OpenDir(PrivateFile->FileName);\r |
c9093a06 |
550 | \r |
caea5554 |
551 | if (PrivateFile->Dir == NULL) {\r |
c9093a06 |
552 | Status = EFI_ACCESS_DENIED;\r |
caea5554 |
553 | }\r |
554 | else {\r |
c9093a06 |
555 | Status = EFI_SUCCESS;\r |
caea5554 |
556 | }\r |
c9093a06 |
557 | \r |
558 | Done:\r |
559 | if (EFI_ERROR (Status)) {\r |
560 | if (PrivateFile) {\r |
561 | if (PrivateFile->FileName) {\r |
562 | gBS->FreePool (PrivateFile->FileName);\r |
563 | }\r |
564 | \r |
565 | gBS->FreePool (PrivateFile);\r |
566 | }\r |
567 | }\r |
568 | \r |
569 | return Status;\r |
570 | }\r |
571 | \r |
572 | EFI_STATUS\r |
573 | EFIAPI\r |
574 | UnixSimpleFileSystemOpen (\r |
575 | IN EFI_FILE *This,\r |
576 | OUT EFI_FILE **NewHandle,\r |
577 | IN CHAR16 *FileName,\r |
578 | IN UINT64 OpenMode,\r |
579 | IN UINT64 Attributes\r |
580 | )\r |
581 | /*++\r |
582 | \r |
583 | Routine Description:\r |
584 | \r |
585 | Open a file relative to the source file location.\r |
586 | \r |
587 | Arguments:\r |
588 | \r |
589 | This - A pointer to the source file location.\r |
590 | \r |
591 | NewHandle - Pointer to storage for the new file handle.\r |
592 | \r |
593 | FileName - Pointer to the file name to be opened.\r |
594 | \r |
595 | OpenMode - File open mode information.\r |
596 | \r |
597 | Attributes - File creation attributes.\r |
598 | \r |
599 | Returns:\r |
600 | \r |
601 | EFI_SUCCESS - The file was opened.\r |
602 | \r |
603 | EFI_NOT_FOUND - The file could not be found in the volume.\r |
604 | \r |
605 | EFI_NO_MEDIA - The device has no media.\r |
606 | \r |
607 | EFI_MEDIA_CHANGED - The device has new media or the media is no longer supported.\r |
608 | \r |
609 | EFI_DEVICE_ERROR - The device reported an error.\r |
610 | \r |
611 | EFI_VOLUME_CORRUPTED - The file system structures are corrupted.\r |
612 | \r |
613 | EFI_WRITE_PROTECTED - The volume or file is write protected.\r |
614 | \r |
615 | EFI_ACCESS_DENIED - The service denied access to the file.\r |
616 | \r |
617 | EFI_OUT_OF_RESOURCES - Not enough resources were available to open the file.\r |
618 | \r |
619 | EFI_VOLUME_FULL - There is not enough space left to create the new file.\r |
620 | \r |
621 | --*/\r |
622 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
623 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
624 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
625 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
626 | {\r |
627 | EFI_FILE *Root;\r |
628 | UNIX_EFI_FILE_PRIVATE *PrivateFile;\r |
629 | UNIX_EFI_FILE_PRIVATE *NewPrivateFile;\r |
630 | UNIX_SIMPLE_FILE_SYSTEM_PRIVATE *PrivateRoot;\r |
631 | EFI_STATUS Status;\r |
caea5554 |
632 | CHAR16 *Src;\r |
633 | char *Dst;\r |
c9093a06 |
634 | CHAR8 *RealFileName;\r |
c9093a06 |
635 | char *ParseFileName;\r |
636 | char *GuardPointer;\r |
637 | CHAR8 TempChar;\r |
638 | UINTN Count;\r |
639 | BOOLEAN TrailingDash;\r |
640 | BOOLEAN LoopFinish;\r |
641 | UINTN InfoSize;\r |
642 | EFI_FILE_INFO *Info;\r |
ac10bddd |
643 | EFI_TPL OldTpl;\r |
c9093a06 |
644 | \r |
645 | TrailingDash = FALSE;\r |
646 | \r |
647 | //\r |
648 | // Check for obvious invalid parameters.\r |
649 | //\r |
650 | if (This == NULL || NewHandle == NULL || FileName == NULL) {\r |
651 | return EFI_INVALID_PARAMETER;\r |
652 | }\r |
653 | \r |
654 | switch (OpenMode) {\r |
655 | case EFI_FILE_MODE_CREATE | EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE:\r |
656 | if (Attributes &~EFI_FILE_VALID_ATTR) {\r |
657 | return EFI_INVALID_PARAMETER;\r |
658 | }\r |
659 | \r |
660 | if (Attributes & EFI_FILE_READ_ONLY) {\r |
661 | return EFI_INVALID_PARAMETER;\r |
662 | }\r |
663 | \r |
664 | //\r |
665 | // fall through\r |
666 | //\r |
667 | case EFI_FILE_MODE_READ:\r |
668 | case EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE:\r |
669 | break;\r |
670 | \r |
671 | default:\r |
672 | return EFI_INVALID_PARAMETER;\r |
673 | }\r |
674 | \r |
ac10bddd |
675 | OldTpl = gBS->RaiseTPL (EFI_TPL_CALLBACK);\r |
676 | \r |
c9093a06 |
677 | PrivateFile = UNIX_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r |
678 | PrivateRoot = UNIX_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile->SimpleFileSystem);\r |
679 | NewPrivateFile = NULL;\r |
680 | \r |
681 | //\r |
682 | // BUGBUG: assume an open of root\r |
683 | // if current location, return current data\r |
684 | //\r |
caea5554 |
685 | if (StrCmp (FileName, L"\\") == 0\r |
c9093a06 |
686 | || (StrCmp (FileName, L".") == 0 && PrivateFile->IsRootDirectory)) {\r |
687 | //\r |
688 | // BUGBUG: assume an open root\r |
689 | //\r |
690 | OpenRoot:\r |
691 | Status = UnixSimpleFileSystemOpenVolume (PrivateFile->SimpleFileSystem, &Root);\r |
692 | NewPrivateFile = UNIX_EFI_FILE_PRIVATE_DATA_FROM_THIS (Root);\r |
693 | goto Done;\r |
694 | }\r |
695 | \r |
696 | if (FileName[StrLen (FileName) - 1] == L'\\') {\r |
697 | TrailingDash = TRUE;\r |
698 | FileName[StrLen (FileName) - 1] = 0;\r |
699 | }\r |
700 | \r |
701 | //\r |
702 | // Attempt to open the file\r |
703 | //\r |
704 | Status = gBS->AllocatePool (\r |
705 | EfiBootServicesData,\r |
706 | sizeof (UNIX_EFI_FILE_PRIVATE),\r |
707 | (VOID **)&NewPrivateFile\r |
708 | );\r |
709 | \r |
710 | if (EFI_ERROR (Status)) {\r |
711 | goto Done;\r |
712 | }\r |
713 | \r |
714 | CopyMem (NewPrivateFile, PrivateFile, sizeof (UNIX_EFI_FILE_PRIVATE));\r |
715 | \r |
716 | NewPrivateFile->FileName = NULL;\r |
717 | Status = gBS->AllocatePool (\r |
718 | EfiBootServicesData,\r |
719 | AsciiStrSize (PrivateFile->FileName) + 1 + StrLen (FileName) + 1,\r |
720 | (VOID **)&NewPrivateFile->FileName\r |
721 | );\r |
722 | \r |
723 | if (EFI_ERROR (Status)) {\r |
724 | goto Done;\r |
725 | }\r |
726 | \r |
727 | if (*FileName == L'\\') {\r |
728 | AsciiStrCpy (NewPrivateFile->FileName, PrivateRoot->FilePath);\r |
caea5554 |
729 | // Skip first '\'.\r |
730 | Src = FileName + 1;\r |
c9093a06 |
731 | } else {\r |
732 | AsciiStrCpy (NewPrivateFile->FileName, PrivateFile->FileName);\r |
caea5554 |
733 | Src = FileName;\r |
734 | }\r |
735 | Dst = NewPrivateFile->FileName + AsciiStrLen(NewPrivateFile->FileName);\r |
736 | GuardPointer = NewPrivateFile->FileName + AsciiStrLen(PrivateRoot->FilePath);\r |
737 | *Dst++ = '/';\r |
738 | // Convert unicode to ascii and '\' to '/'\r |
739 | while (*Src) {\r |
740 | if (*Src == '\\')\r |
741 | *Dst++ = '/';\r |
742 | else\r |
743 | *Dst++ = *Src;\r |
744 | Src++;\r |
745 | }\r |
746 | *Dst = 0;\r |
747 | \r |
c9093a06 |
748 | \r |
749 | //\r |
750 | // Get rid of . and .., except leading . or ..\r |
751 | //\r |
752 | \r |
753 | //\r |
754 | // GuardPointer protect simplefilesystem root path not be destroyed\r |
755 | //\r |
756 | \r |
757 | LoopFinish = FALSE;\r |
758 | \r |
759 | while (!LoopFinish) {\r |
760 | \r |
761 | LoopFinish = TRUE;\r |
762 | \r |
763 | for (ParseFileName = GuardPointer; *ParseFileName; ParseFileName++) {\r |
764 | if (*ParseFileName == '.' &&\r |
765 | (*(ParseFileName + 1) == 0 || *(ParseFileName + 1) == '/') &&\r |
766 | *(ParseFileName - 1) == '/'\r |
767 | ) {\r |
768 | \r |
769 | //\r |
770 | // cut /.\r |
771 | //\r |
772 | CutPrefix (ParseFileName - 1, 2);\r |
773 | LoopFinish = FALSE;\r |
774 | break;\r |
775 | }\r |
776 | \r |
777 | if (*ParseFileName == '.' &&\r |
778 | *(ParseFileName + 1) == '.' &&\r |
779 | (*(ParseFileName + 2) == 0 || *(ParseFileName + 2) == '/') &&\r |
780 | *(ParseFileName - 1) == '/'\r |
781 | ) {\r |
782 | \r |
783 | ParseFileName--;\r |
784 | Count = 3;\r |
785 | \r |
786 | while (ParseFileName != GuardPointer) {\r |
787 | ParseFileName--;\r |
788 | Count++;\r |
789 | if (*ParseFileName == '/') {\r |
790 | break;\r |
791 | }\r |
792 | }\r |
793 | \r |
794 | //\r |
795 | // cut /.. and its left directory\r |
796 | //\r |
797 | CutPrefix (ParseFileName, Count);\r |
798 | LoopFinish = FALSE;\r |
799 | break;\r |
800 | }\r |
801 | }\r |
802 | }\r |
803 | \r |
804 | if (AsciiStrCmp (NewPrivateFile->FileName, PrivateRoot->FilePath) == 0) {\r |
805 | NewPrivateFile->IsRootDirectory = TRUE;\r |
806 | gBS->FreePool (NewPrivateFile->FileName);\r |
807 | gBS->FreePool (NewPrivateFile);\r |
808 | goto OpenRoot;\r |
809 | }\r |
810 | \r |
811 | RealFileName = NewPrivateFile->FileName + AsciiStrLen(NewPrivateFile->FileName) - 1;\r |
caea5554 |
812 | while (RealFileName > NewPrivateFile->FileName && *RealFileName != '/')\r |
813 | RealFileName--;\r |
c9093a06 |
814 | \r |
815 | TempChar = *(RealFileName - 1);\r |
816 | *(RealFileName - 1) = 0;\r |
817 | \r |
818 | *(RealFileName - 1) = TempChar;\r |
819 | \r |
caea5554 |
820 | \r |
821 | \r |
c9093a06 |
822 | //\r |
823 | // Test whether file or directory\r |
824 | //\r |
825 | NewPrivateFile->IsRootDirectory = FALSE;\r |
caea5554 |
826 | NewPrivateFile->fd = -1;\r |
827 | NewPrivateFile->Dir = NULL;\r |
c9093a06 |
828 | if (OpenMode & EFI_FILE_MODE_CREATE) {\r |
829 | if (Attributes & EFI_FILE_DIRECTORY) {\r |
830 | NewPrivateFile->IsDirectoryPath = TRUE;\r |
831 | } else {\r |
832 | NewPrivateFile->IsDirectoryPath = FALSE;\r |
833 | }\r |
834 | } else {\r |
caea5554 |
835 | struct stat finfo;\r |
836 | int res = NewPrivateFile->UnixThunk->Stat (NewPrivateFile->FileName, &finfo);\r |
837 | if (res == 0 && S_ISDIR(finfo.st_mode))\r |
c9093a06 |
838 | NewPrivateFile->IsDirectoryPath = TRUE;\r |
caea5554 |
839 | else\r |
c9093a06 |
840 | NewPrivateFile->IsDirectoryPath = FALSE;\r |
841 | }\r |
842 | \r |
843 | if (OpenMode & EFI_FILE_MODE_WRITE) {\r |
844 | NewPrivateFile->IsOpenedByRead = FALSE;\r |
845 | } else {\r |
846 | NewPrivateFile->IsOpenedByRead = TRUE;\r |
847 | }\r |
848 | \r |
849 | Status = EFI_SUCCESS;\r |
850 | \r |
851 | //\r |
852 | // deal with directory\r |
853 | //\r |
854 | if (NewPrivateFile->IsDirectoryPath) {\r |
855 | \r |
856 | if ((OpenMode & EFI_FILE_MODE_CREATE)) {\r |
857 | //\r |
858 | // Create a directory\r |
859 | //\r |
860 | if (NewPrivateFile->UnixThunk->MkDir (NewPrivateFile->FileName, 0777) != 0) {\r |
caea5554 |
861 | INTN LastError;\r |
c9093a06 |
862 | \r |
863 | LastError = PrivateFile->UnixThunk->GetErrno ();\r |
caea5554 |
864 | if (LastError != EEXIST) {\r |
8ef571df |
865 | //gBS->FreePool (TempFileName);\r |
c9093a06 |
866 | Status = EFI_ACCESS_DENIED;\r |
867 | goto Done;\r |
868 | }\r |
869 | }\r |
870 | }\r |
871 | \r |
caea5554 |
872 | NewPrivateFile->Dir = NewPrivateFile->UnixThunk->OpenDir\r |
873 | (NewPrivateFile->FileName);\r |
c9093a06 |
874 | \r |
caea5554 |
875 | if (NewPrivateFile->Dir == NULL) {\r |
876 | if (PrivateFile->UnixThunk->GetErrno () == EACCES) {\r |
c9093a06 |
877 | Status = EFI_ACCESS_DENIED;\r |
878 | } else {\r |
879 | Status = EFI_NOT_FOUND;\r |
880 | }\r |
881 | \r |
882 | goto Done;\r |
883 | }\r |
884 | \r |
885 | } else {\r |
886 | //\r |
887 | // deal with file\r |
888 | //\r |
caea5554 |
889 | NewPrivateFile->fd = NewPrivateFile->UnixThunk->Open\r |
c9093a06 |
890 | (NewPrivateFile->FileName,\r |
caea5554 |
891 | ((OpenMode & EFI_FILE_MODE_CREATE) ? O_CREAT : 0)\r |
892 | | (NewPrivateFile->IsOpenedByRead ? O_RDONLY : O_RDWR),\r |
893 | 0666);\r |
894 | if (NewPrivateFile->fd < 0) {\r |
895 | if (PrivateFile->UnixThunk->GetErrno () == ENOENT) {\r |
c9093a06 |
896 | Status = EFI_NOT_FOUND;\r |
897 | } else {\r |
898 | Status = EFI_ACCESS_DENIED;\r |
899 | }\r |
900 | }\r |
901 | }\r |
902 | \r |
903 | if ((OpenMode & EFI_FILE_MODE_CREATE) && Status == EFI_SUCCESS) {\r |
904 | //\r |
905 | // Set the attribute\r |
906 | //\r |
907 | InfoSize = 0;\r |
908 | Info = NULL;\r |
909 | \r |
910 | Status = UnixSimpleFileSystemGetInfo (&NewPrivateFile->EfiFile, &gEfiFileInfoGuid, &InfoSize, Info);\r |
911 | \r |
912 | if (Status != EFI_BUFFER_TOO_SMALL) {\r |
913 | Status = EFI_DEVICE_ERROR;\r |
914 | goto Done;\r |
915 | }\r |
916 | \r |
917 | Status = gBS->AllocatePool (\r |
918 | EfiBootServicesData,\r |
919 | InfoSize,\r |
920 | (VOID **)&Info\r |
921 | );\r |
922 | \r |
923 | if (EFI_ERROR (Status)) {\r |
924 | goto Done;\r |
925 | }\r |
926 | \r |
927 | Status = UnixSimpleFileSystemGetInfo (&NewPrivateFile->EfiFile, &gEfiFileInfoGuid, &InfoSize, Info);\r |
928 | \r |
929 | if (EFI_ERROR (Status)) {\r |
930 | goto Done;\r |
931 | }\r |
932 | \r |
933 | Info->Attribute = Attributes;\r |
934 | \r |
935 | UnixSimpleFileSystemSetInfo (&NewPrivateFile->EfiFile, &gEfiFileInfoGuid, InfoSize, Info);\r |
936 | }\r |
937 | \r |
938 | Done: ;\r |
939 | if (TrailingDash) {\r |
940 | FileName[StrLen (FileName) + 1] = 0;\r |
941 | FileName[StrLen (FileName)] = L'\\';\r |
942 | }\r |
943 | \r |
944 | if (EFI_ERROR (Status)) {\r |
945 | if (NewPrivateFile) {\r |
946 | if (NewPrivateFile->FileName) {\r |
947 | gBS->FreePool (NewPrivateFile->FileName);\r |
948 | }\r |
949 | \r |
950 | gBS->FreePool (NewPrivateFile);\r |
951 | }\r |
952 | } else {\r |
953 | *NewHandle = &NewPrivateFile->EfiFile;\r |
954 | }\r |
955 | \r |
ac10bddd |
956 | gBS->RestoreTPL (OldTpl);\r |
957 | \r |
c9093a06 |
958 | return Status;\r |
959 | }\r |
960 | \r |
961 | EFI_STATUS\r |
962 | EFIAPI\r |
963 | UnixSimpleFileSystemClose (\r |
964 | IN EFI_FILE *This\r |
965 | )\r |
966 | /*++\r |
967 | \r |
968 | Routine Description:\r |
969 | \r |
970 | Close the specified file handle.\r |
971 | \r |
972 | Arguments:\r |
973 | \r |
974 | This - Pointer to a returned opened file handle.\r |
975 | \r |
976 | Returns:\r |
977 | \r |
978 | EFI_SUCCESS - The file handle has been closed.\r |
979 | \r |
980 | --*/\r |
981 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
982 | {\r |
983 | UNIX_EFI_FILE_PRIVATE *PrivateFile;\r |
ac10bddd |
984 | EFITPL OldTpl;\r |
c9093a06 |
985 | \r |
986 | if (This == NULL) {\r |
987 | return EFI_INVALID_PARAMETER;\r |
988 | }\r |
989 | \r |
990 | PrivateFile = UNIX_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r |
991 | \r |
ac10bddd |
992 | OldTpl = gBS->RaiseTPL (EFI_TPL_CALLBACK);\r |
993 | \r |
caea5554 |
994 | if (PrivateFile->fd >= 0) {\r |
c9093a06 |
995 | PrivateFile->UnixThunk->Close (PrivateFile->fd);\r |
caea5554 |
996 | }\r |
997 | if (PrivateFile->Dir != NULL) {\r |
c9093a06 |
998 | PrivateFile->UnixThunk->CloseDir (PrivateFile->Dir);\r |
caea5554 |
999 | }\r |
c9093a06 |
1000 | \r |
caea5554 |
1001 | PrivateFile->fd = -1;\r |
1002 | PrivateFile->Dir = NULL;\r |
c9093a06 |
1003 | \r |
1004 | if (PrivateFile->FileName) {\r |
1005 | gBS->FreePool (PrivateFile->FileName);\r |
1006 | }\r |
1007 | \r |
1008 | gBS->FreePool (PrivateFile);\r |
ac10bddd |
1009 | \r |
1010 | gBS->RestoreTPL (OldTpl);\r |
1011 | \r |
c9093a06 |
1012 | return EFI_SUCCESS;\r |
1013 | }\r |
1014 | \r |
1015 | EFI_STATUS\r |
1016 | EFIAPI\r |
1017 | UnixSimpleFileSystemDelete (\r |
1018 | IN EFI_FILE *This\r |
1019 | )\r |
1020 | /*++\r |
1021 | \r |
1022 | Routine Description:\r |
1023 | \r |
1024 | Close and delete a file.\r |
1025 | \r |
1026 | Arguments:\r |
1027 | \r |
1028 | This - Pointer to a returned opened file handle.\r |
1029 | \r |
1030 | Returns:\r |
1031 | \r |
1032 | EFI_SUCCESS - The file handle was closed and deleted.\r |
1033 | \r |
1034 | EFI_WARN_DELETE_FAILURE - The handle was closed but could not be deleted.\r |
1035 | \r |
1036 | --*/\r |
1037 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
1038 | {\r |
1039 | EFI_STATUS Status;\r |
ac10bddd |
1040 | UNIX_EFI_FILE_PRIVATE *PrivateFile;\r |
1041 | EFI_TPL OldTpl;\r |
c9093a06 |
1042 | \r |
1043 | if (This == NULL) {\r |
1044 | return EFI_INVALID_PARAMETER;\r |
1045 | }\r |
1046 | \r |
ac10bddd |
1047 | OldTpl = gBS->RaiseTPL (EFI_TPL_CALLBACK);\r |
1048 | \r |
c9093a06 |
1049 | PrivateFile = UNIX_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r |
1050 | \r |
1051 | Status = EFI_WARN_DELETE_FAILURE;\r |
1052 | \r |
1053 | if (PrivateFile->IsDirectoryPath) {\r |
1054 | if (PrivateFile->Dir != NULL) {\r |
1055 | PrivateFile->UnixThunk->CloseDir (PrivateFile->Dir);\r |
caea5554 |
1056 | PrivateFile->Dir = NULL;\r |
c9093a06 |
1057 | }\r |
1058 | \r |
1059 | if (PrivateFile->UnixThunk->RmDir (PrivateFile->FileName) == 0) {\r |
1060 | Status = EFI_SUCCESS;\r |
1061 | }\r |
1062 | } else {\r |
1063 | PrivateFile->UnixThunk->Close (PrivateFile->fd);\r |
caea5554 |
1064 | PrivateFile->fd = -1;\r |
c9093a06 |
1065 | \r |
1066 | if (!PrivateFile->IsOpenedByRead) {\r |
1067 | if (!PrivateFile->UnixThunk->UnLink (PrivateFile->FileName)) {\r |
1068 | Status = EFI_SUCCESS;\r |
1069 | }\r |
1070 | }\r |
1071 | }\r |
1072 | \r |
1073 | gBS->FreePool (PrivateFile->FileName);\r |
1074 | gBS->FreePool (PrivateFile);\r |
1075 | \r |
1076 | return Status;\r |
1077 | }\r |
1078 | \r |
1079 | STATIC\r |
1080 | VOID\r |
1081 | UnixSystemTimeToEfiTime (\r |
1082 | EFI_UNIX_THUNK_PROTOCOL *UnixThunk,\r |
caea5554 |
1083 | IN time_t SystemTime,\r |
c9093a06 |
1084 | OUT EFI_TIME *Time\r |
1085 | )\r |
1086 | /*++\r |
1087 | \r |
1088 | Routine Description:\r |
1089 | \r |
1090 | TODO: Add function description\r |
1091 | \r |
1092 | Arguments:\r |
1093 | \r |
1094 | SystemTime - TODO: add argument description\r |
1095 | TimeZone - TODO: add argument description\r |
1096 | Time - TODO: add argument description\r |
1097 | \r |
1098 | Returns:\r |
1099 | \r |
1100 | TODO: add return values\r |
1101 | \r |
1102 | --*/\r |
1103 | {\r |
caea5554 |
1104 | struct tm *tm;\r |
1105 | tm = UnixThunk->GmTime (&SystemTime);\r |
1106 | Time->Year = tm->tm_year;\r |
1107 | Time->Month = tm->tm_mon;\r |
1108 | Time->Day = tm->tm_mday;\r |
1109 | Time->Hour = tm->tm_hour;\r |
1110 | Time->Minute = tm->tm_min;\r |
1111 | Time->Second = tm->tm_sec;\r |
1112 | Time->Nanosecond = 0;\r |
1113 | \r |
1114 | Time->TimeZone = UnixThunk->GetTimeZone ();\r |
1115 | \r |
1116 | if (UnixThunk->GetDayLight ()) {\r |
c9093a06 |
1117 | Time->Daylight = EFI_TIME_ADJUST_DAYLIGHT;\r |
1118 | }\r |
1119 | }\r |
1120 | \r |
1121 | STATIC\r |
1122 | EFI_STATUS\r |
1123 | UnixSimpleFileSystemFileInfo (\r |
1124 | UNIX_EFI_FILE_PRIVATE *PrivateFile,\r |
caea5554 |
1125 | IN CHAR8 *FileName,\r |
c9093a06 |
1126 | IN OUT UINTN *BufferSize,\r |
1127 | OUT VOID *Buffer\r |
1128 | )\r |
1129 | /*++\r |
1130 | \r |
1131 | Routine Description:\r |
1132 | \r |
1133 | TODO: Add function description\r |
1134 | \r |
1135 | Arguments:\r |
1136 | \r |
1137 | PrivateFile - TODO: add argument description\r |
1138 | BufferSize - TODO: add argument description\r |
1139 | Buffer - TODO: add argument description\r |
1140 | \r |
1141 | Returns:\r |
1142 | \r |
1143 | TODO: add return values\r |
1144 | \r |
1145 | --*/\r |
1146 | {\r |
1147 | EFI_STATUS Status;\r |
1148 | UINTN Size;\r |
1149 | UINTN NameSize;\r |
1150 | UINTN ResultSize;\r |
1151 | EFI_FILE_INFO *Info;\r |
1152 | CHAR8 *RealFileName;\r |
1153 | CHAR8 *TempPointer;\r |
caea5554 |
1154 | CHAR16 *BufferFileName;\r |
1155 | struct stat buf;\r |
c9093a06 |
1156 | \r |
caea5554 |
1157 | if (FileName != NULL) {\r |
1158 | RealFileName = FileName;\r |
1159 | }\r |
c9093a06 |
1160 | else if (PrivateFile->IsRootDirectory) {\r |
caea5554 |
1161 | RealFileName = "";\r |
c9093a06 |
1162 | } else {\r |
1163 | RealFileName = PrivateFile->FileName;\r |
caea5554 |
1164 | }\r |
1165 | \r |
c9093a06 |
1166 | TempPointer = RealFileName;\r |
1167 | while (*TempPointer) {\r |
1168 | if (*TempPointer == '/') {\r |
1169 | RealFileName = TempPointer + 1;\r |
1170 | }\r |
1171 | \r |
1172 | TempPointer++;\r |
1173 | }\r |
caea5554 |
1174 | \r |
c9093a06 |
1175 | Size = SIZE_OF_EFI_FILE_INFO;\r |
1176 | NameSize = AsciiStrSize (RealFileName) * 2;\r |
1177 | ResultSize = Size + NameSize;\r |
1178 | \r |
1179 | if (*BufferSize < ResultSize) {\r |
1180 | *BufferSize = ResultSize;\r |
1181 | return EFI_BUFFER_TOO_SMALL;\r |
caea5554 |
1182 | }\r |
1183 | if (PrivateFile->UnixThunk->Stat (\r |
1184 | FileName == NULL ? PrivateFile->FileName : FileName,\r |
1185 | &buf) < 0)\r |
1186 | return EFI_DEVICE_ERROR;\r |
1187 | \r |
c9093a06 |
1188 | Status = EFI_SUCCESS;\r |
1189 | \r |
1190 | Info = Buffer;\r |
1191 | ZeroMem (Info, ResultSize);\r |
1192 | \r |
1193 | Info->Size = ResultSize;\r |
caea5554 |
1194 | Info->FileSize = buf.st_size;\r |
1195 | Info->PhysicalSize = MultU64x32 (buf.st_blocks, buf.st_blksize);\r |
1196 | \r |
1197 | UnixSystemTimeToEfiTime (PrivateFile->UnixThunk, buf.st_ctime, &Info->CreateTime);\r |
1198 | UnixSystemTimeToEfiTime (PrivateFile->UnixThunk, buf.st_atime, &Info->LastAccessTime);\r |
1199 | UnixSystemTimeToEfiTime (PrivateFile->UnixThunk, buf.st_mtime, &Info->ModificationTime);\r |
1200 | \r |
1201 | if (!(buf.st_mode & S_IWUSR)) {\r |
c9093a06 |
1202 | Info->Attribute |= EFI_FILE_READ_ONLY;\r |
1203 | }\r |
1204 | \r |
caea5554 |
1205 | if (S_ISDIR(buf.st_mode)) {\r |
c9093a06 |
1206 | Info->Attribute |= EFI_FILE_DIRECTORY;\r |
1207 | }\r |
1208 | \r |
1209 | \r |
caea5554 |
1210 | BufferFileName = (CHAR16 *)((CHAR8 *) Buffer + Size);\r |
1211 | while (*RealFileName)\r |
1212 | *BufferFileName++ = *RealFileName++;\r |
1213 | *BufferFileName = 0;\r |
1214 | \r |
c9093a06 |
1215 | *BufferSize = ResultSize;\r |
1216 | return Status;\r |
1217 | }\r |
1218 | \r |
1219 | EFI_STATUS\r |
1220 | EFIAPI\r |
1221 | UnixSimpleFileSystemRead (\r |
1222 | IN EFI_FILE *This,\r |
1223 | IN OUT UINTN *BufferSize,\r |
1224 | OUT VOID *Buffer\r |
1225 | )\r |
1226 | /*++\r |
1227 | \r |
1228 | Routine Description:\r |
1229 | \r |
1230 | Read data from a file.\r |
1231 | \r |
1232 | Arguments:\r |
1233 | \r |
1234 | This - Pointer to a returned open file handle.\r |
1235 | \r |
1236 | BufferSize - On input, the size of the Buffer. On output, the number of bytes stored in the Buffer.\r |
1237 | \r |
1238 | Buffer - Pointer to the first byte of the read Buffer.\r |
1239 | \r |
1240 | Returns:\r |
1241 | \r |
1242 | EFI_SUCCESS - The data was read.\r |
1243 | \r |
1244 | EFI_NO_MEDIA - The device has no media.\r |
1245 | \r |
1246 | EFI_DEVICE_ERROR - The device reported an error.\r |
1247 | \r |
1248 | EFI_VOLUME_CORRUPTED - The file system structures are corrupted.\r |
1249 | \r |
1250 | EFI_BUFFER_TOO_SMALL - The supplied buffer size was too small to store the current directory entry.\r |
1251 | *BufferSize has been updated with the size needed to complete the request.\r |
1252 | \r |
1253 | --*/\r |
1254 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
1255 | {\r |
1256 | UNIX_EFI_FILE_PRIVATE *PrivateFile;\r |
1257 | EFI_STATUS Status;\r |
caea5554 |
1258 | INTN Res;\r |
c9093a06 |
1259 | UINTN Size;\r |
1260 | UINTN NameSize;\r |
1261 | UINTN ResultSize;\r |
caea5554 |
1262 | CHAR8 *FullFileName;\r |
ac10bddd |
1263 | EFI_TPL OldTpl;\r |
c9093a06 |
1264 | \r |
1265 | if (This == NULL || BufferSize == NULL || Buffer == NULL) {\r |
1266 | return EFI_INVALID_PARAMETER;\r |
1267 | }\r |
1268 | \r |
ac10bddd |
1269 | OldTpl = gBS->RaiseTPL (EFI_TPL_CALLBACK);\r |
1270 | \r |
c9093a06 |
1271 | PrivateFile = UNIX_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r |
1272 | \r |
1273 | if (!PrivateFile->IsDirectoryPath) {\r |
1274 | \r |
1275 | if (PrivateFile->fd < 0) {\r |
1276 | return EFI_DEVICE_ERROR;\r |
1277 | }\r |
1278 | \r |
1279 | Res = PrivateFile->UnixThunk->Read (\r |
1280 | PrivateFile->fd,\r |
1281 | Buffer,\r |
caea5554 |
1282 | *BufferSize);\r |
1283 | if (Res < 0)\r |
1284 | return EFI_DEVICE_ERROR;\r |
1285 | *BufferSize = Res;\r |
1286 | return EFI_SUCCESS;\r |
c9093a06 |
1287 | }\r |
1288 | \r |
1289 | //\r |
caea5554 |
1290 | // Read on a directory.\r |
c9093a06 |
1291 | //\r |
1292 | if (PrivateFile->Dir == NULL) {\r |
1293 | return EFI_DEVICE_ERROR;\r |
1294 | }\r |
caea5554 |
1295 | \r |
1296 | if (PrivateFile->Dirent == NULL) {\r |
1297 | PrivateFile->Dirent = PrivateFile->UnixThunk->ReadDir (PrivateFile->Dir);\r |
1298 | if (PrivateFile->Dirent == NULL) {\r |
c9093a06 |
1299 | *BufferSize = 0;\r |
1300 | return EFI_SUCCESS;\r |
caea5554 |
1301 | }\r |
1302 | }\r |
1303 | \r |
c9093a06 |
1304 | Size = SIZE_OF_EFI_FILE_INFO;\r |
caea5554 |
1305 | NameSize = AsciiStrLen (PrivateFile->Dirent->d_name) + 1;\r |
c9093a06 |
1306 | ResultSize = Size + 2 * NameSize;\r |
1307 | \r |
1308 | if (*BufferSize < ResultSize) {\r |
1309 | *BufferSize = ResultSize;\r |
1310 | return EFI_BUFFER_TOO_SMALL;\r |
caea5554 |
1311 | }\r |
c9093a06 |
1312 | Status = EFI_SUCCESS;\r |
1313 | \r |
1314 | *BufferSize = ResultSize;\r |
caea5554 |
1315 | \r |
c9093a06 |
1316 | Status = gBS->AllocatePool (\r |
1317 | EfiBootServicesData,\r |
caea5554 |
1318 | AsciiStrLen(PrivateFile->FileName) + 1 + NameSize,\r |
1319 | (VOID **)&FullFileName\r |
c9093a06 |
1320 | );\r |
1321 | \r |
1322 | if (EFI_ERROR (Status)) {\r |
caea5554 |
1323 | return Status;\r |
c9093a06 |
1324 | }\r |
caea5554 |
1325 | \r |
1326 | AsciiStrCpy(FullFileName, PrivateFile->FileName);\r |
1327 | AsciiStrCat(FullFileName, "/");\r |
1328 | AsciiStrCat(FullFileName, PrivateFile->Dirent->d_name);\r |
1329 | Status = UnixSimpleFileSystemFileInfo (PrivateFile,\r |
1330 | FullFileName,\r |
1331 | BufferSize,\r |
1332 | Buffer);\r |
1333 | gBS->FreePool (FullFileName);\r |
c9093a06 |
1334 | \r |
caea5554 |
1335 | PrivateFile->Dirent = NULL;\r |
c9093a06 |
1336 | \r |
caea5554 |
1337 | return Status;\r |
c9093a06 |
1338 | }\r |
1339 | \r |
1340 | EFI_STATUS\r |
1341 | EFIAPI\r |
1342 | UnixSimpleFileSystemWrite (\r |
1343 | IN EFI_FILE *This,\r |
1344 | IN OUT UINTN *BufferSize,\r |
1345 | IN VOID *Buffer\r |
1346 | )\r |
1347 | /*++\r |
1348 | \r |
1349 | Routine Description:\r |
1350 | \r |
1351 | Write data to a file.\r |
1352 | \r |
1353 | Arguments:\r |
1354 | \r |
1355 | This - Pointer to an opened file handle.\r |
1356 | \r |
1357 | BufferSize - On input, the number of bytes in the Buffer to write to the file. On output, the number of bytes\r |
1358 | of data written to the file.\r |
1359 | \r |
1360 | Buffer - Pointer to the first by of data in the buffer to write to the file.\r |
1361 | \r |
1362 | Returns:\r |
1363 | \r |
1364 | EFI_SUCCESS - The data was written to the file.\r |
1365 | \r |
1366 | EFI_UNSUPPORTED - Writes to an open directory are not supported.\r |
1367 | \r |
1368 | EFI_NO_MEDIA - The device has no media.\r |
1369 | \r |
1370 | EFI_DEVICE_ERROR - The device reported an error.\r |
1371 | \r |
1372 | EFI_VOLUME_CORRUPTED - The file system structures are corrupt.\r |
1373 | \r |
1374 | EFI_WRITE_PROTECTED - The file, directory, volume, or device is write protected.\r |
1375 | \r |
1376 | EFI_ACCESS_DENIED - The file was opened read-only.\r |
1377 | \r |
1378 | EFI_VOLUME_FULL - The volume is full.\r |
1379 | \r |
1380 | --*/\r |
1381 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
1382 | {\r |
1383 | UNIX_EFI_FILE_PRIVATE *PrivateFile;\r |
ac10bddd |
1384 | UINTN Res;\r |
1385 | EFI_STATUS Status;\r |
1386 | EFI_TPL OldTpl;\r |
c9093a06 |
1387 | \r |
1388 | if (This == NULL || BufferSize == NULL || Buffer == NULL) {\r |
1389 | return EFI_INVALID_PARAMETER;\r |
1390 | }\r |
1391 | \r |
1392 | PrivateFile = UNIX_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r |
1393 | \r |
1394 | if (PrivateFile->fd < 0) {\r |
1395 | return EFI_DEVICE_ERROR;\r |
1396 | }\r |
1397 | \r |
1398 | if (PrivateFile->IsDirectoryPath) {\r |
1399 | return EFI_UNSUPPORTED;\r |
1400 | }\r |
1401 | \r |
1402 | if (PrivateFile->IsOpenedByRead) {\r |
1403 | return EFI_ACCESS_DENIED;\r |
1404 | }\r |
1405 | \r |
ac10bddd |
1406 | OldTpl = gBS->RaiseTPL (EFI_TPL_CALLBACK);\r |
1407 | \r |
c9093a06 |
1408 | Res = PrivateFile->UnixThunk->Write (\r |
1409 | PrivateFile->fd,\r |
1410 | Buffer,\r |
caea5554 |
1411 | *BufferSize);\r |
ac10bddd |
1412 | if (Res == (UINTN)-1) {\r |
1413 | Status = EFI_DEVICE_ERROR;\r |
1414 | goto Done;\r |
1415 | }\r |
caea5554 |
1416 | *BufferSize = Res;\r |
ac10bddd |
1417 | Status = EFI_SUCCESS;\r |
1418 | \r |
1419 | Done:\r |
1420 | gBS->RestoreTPL (OldTpl);\r |
1421 | return Status;\r |
c9093a06 |
1422 | \r |
1423 | //\r |
377fc2ae |
1424 | // bugbug: need to access unix error reporting\r |
c9093a06 |
1425 | //\r |
1426 | }\r |
1427 | \r |
1428 | EFI_STATUS\r |
1429 | EFIAPI\r |
1430 | UnixSimpleFileSystemSetPosition (\r |
1431 | IN EFI_FILE *This,\r |
1432 | IN UINT64 Position\r |
1433 | )\r |
1434 | /*++\r |
1435 | \r |
1436 | Routine Description:\r |
1437 | \r |
1438 | Set a file's current position.\r |
1439 | \r |
1440 | Arguments:\r |
1441 | \r |
1442 | This - Pointer to an opened file handle.\r |
1443 | \r |
1444 | Position - The byte position from the start of the file to set.\r |
1445 | \r |
1446 | Returns:\r |
1447 | \r |
1448 | EFI_SUCCESS - The file position has been changed.\r |
1449 | \r |
1450 | EFI_UNSUPPORTED - The seek request for non-zero is not supported for directories.\r |
1451 | \r |
1452 | --*/\r |
1453 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
1454 | {\r |
1455 | EFI_STATUS Status;\r |
1456 | UNIX_EFI_FILE_PRIVATE *PrivateFile;\r |
1457 | UINT64 Pos;\r |
ac10bddd |
1458 | EFI_TPL OldTpl;\r |
c9093a06 |
1459 | \r |
1460 | if (This == NULL) {\r |
1461 | return EFI_INVALID_PARAMETER;\r |
1462 | }\r |
1463 | \r |
ac10bddd |
1464 | OldTpl = gBS->RaiseTPL (EFI_TPL_CALLBACK);\r |
1465 | \r |
c9093a06 |
1466 | PrivateFile = UNIX_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r |
1467 | \r |
1468 | if (PrivateFile->IsDirectoryPath) {\r |
1469 | if (Position != 0) {\r |
ac10bddd |
1470 | Status = EFI_UNSUPPORTED;\r |
1471 | goto Done;\r |
c9093a06 |
1472 | }\r |
1473 | \r |
caea5554 |
1474 | if (PrivateFile->Dir == NULL) {\r |
ac10bddd |
1475 | Status = EFI_DEVICE_ERROR;\r |
1476 | goto Done;\r |
caea5554 |
1477 | }\r |
1478 | PrivateFile->UnixThunk->RewindDir (PrivateFile->Dir);\r |
ac10bddd |
1479 | Status = EFI_SUCCESS;\r |
1480 | goto Done;\r |
c9093a06 |
1481 | } else {\r |
1482 | if (Position == (UINT64) -1) {\r |
1483 | Pos = PrivateFile->UnixThunk->Lseek (PrivateFile->fd, 0, SEEK_END);\r |
1484 | } else {\r |
1485 | Pos = PrivateFile->UnixThunk->Lseek (PrivateFile->fd, Position, SEEK_SET);\r |
caea5554 |
1486 | }\r |
c9093a06 |
1487 | Status = (Pos == (UINT64) -1) ? EFI_DEVICE_ERROR : EFI_SUCCESS;\r |
ac10bddd |
1488 | }\r |
c9093a06 |
1489 | \r |
ac10bddd |
1490 | Done:\r |
1491 | gBS->RestoreTPL (OldTpl);\r |
c9093a06 |
1492 | return Status;\r |
c9093a06 |
1493 | }\r |
1494 | \r |
1495 | EFI_STATUS\r |
1496 | EFIAPI\r |
1497 | UnixSimpleFileSystemGetPosition (\r |
1498 | IN EFI_FILE *This,\r |
1499 | OUT UINT64 *Position\r |
1500 | )\r |
1501 | /*++\r |
1502 | \r |
1503 | Routine Description:\r |
1504 | \r |
1505 | Get a file's current position.\r |
1506 | \r |
1507 | Arguments:\r |
1508 | \r |
1509 | This - Pointer to an opened file handle.\r |
1510 | \r |
1511 | Position - Pointer to storage for the current position.\r |
1512 | \r |
1513 | Returns:\r |
1514 | \r |
1515 | EFI_SUCCESS - The file position has been reported.\r |
1516 | \r |
1517 | EFI_UNSUPPORTED - Not valid for directories.\r |
1518 | \r |
1519 | --*/\r |
1520 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
1521 | {\r |
ac10bddd |
1522 | EFI_STATUS Status;\r |
c9093a06 |
1523 | UNIX_EFI_FILE_PRIVATE *PrivateFile;\r |
ac10bddd |
1524 | EFI_TPL OldTpl;\r |
c9093a06 |
1525 | \r |
1526 | if (This == NULL || Position == NULL) {\r |
1527 | return EFI_INVALID_PARAMETER;\r |
1528 | }\r |
1529 | \r |
ac10bddd |
1530 | OldTpl = gBS->RaiseTPL (EFI_TPL_CALLBACK);\r |
1531 | \r |
c9093a06 |
1532 | PrivateFile = UNIX_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r |
1533 | \r |
1534 | if (PrivateFile->IsDirectoryPath) {\r |
ac10bddd |
1535 | Status = EFI_UNSUPPORTED;\r |
c9093a06 |
1536 | } else {\r |
caea5554 |
1537 | *Position = PrivateFile->UnixThunk->Lseek (PrivateFile->fd, 0, SEEK_CUR);\r |
ac10bddd |
1538 | Status = (*Position == (UINT64) -1) ? EFI_DEVICE_ERROR : EFI_SUCCESS;\r |
c9093a06 |
1539 | }\r |
ac10bddd |
1540 | \r |
1541 | Done:\r |
1542 | OldTpl = gBS->RaiseTPL (EFI_TPL_CALLBACK);\r |
1543 | return Status;\r |
c9093a06 |
1544 | }\r |
1545 | \r |
1546 | EFI_STATUS\r |
1547 | EFIAPI\r |
1548 | UnixSimpleFileSystemGetInfo (\r |
1549 | IN EFI_FILE *This,\r |
1550 | IN EFI_GUID *InformationType,\r |
1551 | IN OUT UINTN *BufferSize,\r |
1552 | OUT VOID *Buffer\r |
1553 | )\r |
1554 | /*++\r |
1555 | \r |
1556 | Routine Description:\r |
1557 | \r |
1558 | Return information about a file or volume.\r |
1559 | \r |
1560 | Arguments:\r |
1561 | \r |
1562 | This - Pointer to an opened file handle.\r |
1563 | \r |
1564 | InformationType - GUID describing the type of information to be returned.\r |
1565 | \r |
1566 | BufferSize - On input, the size of the information buffer. On output, the number of bytes written to the\r |
1567 | information buffer.\r |
1568 | \r |
1569 | Buffer - Pointer to the first byte of the information buffer.\r |
1570 | \r |
1571 | Returns:\r |
1572 | \r |
1573 | EFI_SUCCESS - The requested information has been written into the buffer.\r |
1574 | \r |
1575 | EFI_UNSUPPORTED - The InformationType is not known.\r |
1576 | \r |
1577 | EFI_NO_MEDIA - The device has no media.\r |
1578 | \r |
1579 | EFI_DEVICE_ERROR - The device reported an error.\r |
1580 | \r |
1581 | EFI_VOLUME_CORRUPTED - The file system structures are corrupt.\r |
1582 | \r |
1583 | EFI_BUFFER_TOO_SMALL - The buffer size was too small to contain the requested information. The buffer size has\r |
1584 | been updated with the size needed to complete the requested operation.\r |
1585 | \r |
1586 | --*/\r |
1587 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
1588 | {\r |
1589 | EFI_STATUS Status;\r |
1590 | UNIX_EFI_FILE_PRIVATE *PrivateFile;\r |
1591 | EFI_FILE_SYSTEM_INFO *FileSystemInfoBuffer;\r |
1592 | INTN UnixStatus;\r |
1593 | UNIX_SIMPLE_FILE_SYSTEM_PRIVATE *PrivateRoot;\r |
caea5554 |
1594 | struct statfs buf;\r |
ac10bddd |
1595 | EFI_TPL OldTpl;\r |
c9093a06 |
1596 | \r |
1597 | if (This == NULL || InformationType == NULL || BufferSize == NULL) {\r |
1598 | return EFI_INVALID_PARAMETER;\r |
1599 | }\r |
1600 | \r |
ac10bddd |
1601 | OldTpl = gBS->RaiseTPL (EFI_TPL_CALLBACK);\r |
1602 | \r |
c9093a06 |
1603 | PrivateFile = UNIX_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r |
1604 | PrivateRoot = UNIX_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile->SimpleFileSystem);\r |
1605 | \r |
1606 | Status = EFI_UNSUPPORTED;\r |
1607 | \r |
1608 | if (CompareGuid (InformationType, &gEfiFileInfoGuid)) {\r |
1609 | Status = UnixSimpleFileSystemFileInfo (PrivateFile, NULL, BufferSize, Buffer);\r |
ac10bddd |
1610 | } else if (CompareGuid (InformationType, &gEfiFileSystemInfoGuid)) {\r |
c9093a06 |
1611 | if (*BufferSize < SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel)) {\r |
1612 | *BufferSize = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel);\r |
ac10bddd |
1613 | Status = EFI_BUFFER_TOO_SMALL;\r |
1614 | goto Done;\r |
c9093a06 |
1615 | }\r |
1616 | \r |
caea5554 |
1617 | UnixStatus = PrivateFile->UnixThunk->StatFs (PrivateFile->FileName, &buf);\r |
ac10bddd |
1618 | if (UnixStatus < 0) {\r |
1619 | Status = EFI_DEVICE_ERROR;\r |
1620 | goto Done;\r |
1621 | }\r |
caea5554 |
1622 | \r |
c9093a06 |
1623 | FileSystemInfoBuffer = (EFI_FILE_SYSTEM_INFO *) Buffer;\r |
1624 | FileSystemInfoBuffer->Size = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel);\r |
1625 | FileSystemInfoBuffer->ReadOnly = FALSE;\r |
1626 | \r |
1627 | //\r |
1628 | // Succeeded\r |
1629 | //\r |
caea5554 |
1630 | FileSystemInfoBuffer->VolumeSize = MultU64x32 (buf.f_blocks, buf.f_bsize);\r |
1631 | FileSystemInfoBuffer->FreeSpace = MultU64x32 (buf.f_bavail, buf.f_bsize);\r |
1632 | FileSystemInfoBuffer->BlockSize = buf.f_bsize;\r |
c9093a06 |
1633 | \r |
1634 | \r |
1635 | StrCpy ((CHAR16 *) FileSystemInfoBuffer->VolumeLabel, PrivateRoot->VolumeLabel);\r |
1636 | *BufferSize = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel);\r |
1637 | Status = EFI_SUCCESS;\r |
ac10bddd |
1638 | } else if (CompareGuid (InformationType, &gEfiFileSystemVolumeLabelInfoIdGuid){\r |
c9093a06 |
1639 | if (*BufferSize < StrSize (PrivateRoot->VolumeLabel)) {\r |
1640 | *BufferSize = StrSize (PrivateRoot->VolumeLabel);\r |
ac10bddd |
1641 | Status = EFI_BUFFER_TOO_SMALL;\r |
1642 | goto Done;\r |
c9093a06 |
1643 | }\r |
1644 | \r |
1645 | StrCpy ((CHAR16 *) Buffer, PrivateRoot->VolumeLabel);\r |
1646 | *BufferSize = StrSize (PrivateRoot->VolumeLabel);\r |
1647 | Status = EFI_SUCCESS;\r |
1648 | }\r |
1649 | \r |
ac10bddd |
1650 | Done:\r |
1651 | gBS->RestoreTPL (OldTpl);\r |
c9093a06 |
1652 | return Status;\r |
1653 | }\r |
1654 | \r |
1655 | EFI_STATUS\r |
1656 | EFIAPI\r |
1657 | UnixSimpleFileSystemSetInfo (\r |
1658 | IN EFI_FILE *This,\r |
1659 | IN EFI_GUID *InformationType,\r |
1660 | IN UINTN BufferSize,\r |
1661 | IN VOID *Buffer\r |
1662 | )\r |
1663 | /*++\r |
1664 | \r |
1665 | Routine Description:\r |
1666 | \r |
1667 | Set information about a file or volume.\r |
1668 | \r |
1669 | Arguments:\r |
1670 | \r |
1671 | This - Pointer to an opened file handle.\r |
1672 | \r |
1673 | InformationType - GUID identifying the type of information to set.\r |
1674 | \r |
1675 | BufferSize - Number of bytes of data in the information buffer.\r |
1676 | \r |
1677 | Buffer - Pointer to the first byte of data in the information buffer.\r |
1678 | \r |
1679 | Returns:\r |
1680 | \r |
1681 | EFI_SUCCESS - The file or volume information has been updated.\r |
1682 | \r |
1683 | EFI_UNSUPPORTED - The information identifier is not recognised.\r |
1684 | \r |
1685 | EFI_NO_MEDIA - The device has no media.\r |
1686 | \r |
1687 | EFI_DEVICE_ERROR - The device reported an error.\r |
1688 | \r |
1689 | EFI_VOLUME_CORRUPTED - The file system structures are corrupt.\r |
1690 | \r |
1691 | EFI_WRITE_PROTECTED - The file, directory, volume, or device is write protected.\r |
1692 | \r |
1693 | EFI_ACCESS_DENIED - The file was opened read-only.\r |
1694 | \r |
1695 | EFI_VOLUME_FULL - The volume is full.\r |
1696 | \r |
1697 | EFI_BAD_BUFFER_SIZE - The buffer size is smaller than the type indicated by InformationType.\r |
1698 | \r |
1699 | --*/\r |
1700 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
1701 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
1702 | {\r |
1703 | UNIX_SIMPLE_FILE_SYSTEM_PRIVATE *PrivateRoot;\r |
1704 | UNIX_EFI_FILE_PRIVATE *PrivateFile;\r |
1705 | EFI_FILE_INFO *OldFileInfo;\r |
1706 | EFI_FILE_INFO *NewFileInfo;\r |
1707 | EFI_STATUS Status;\r |
1708 | UINTN OldInfoSize;\r |
ac10bddd |
1709 | EFI_TPL OldTpl;\r |
c9093a06 |
1710 | mode_t NewAttr;\r |
1711 | struct stat OldAttr;\r |
1712 | CHAR8 *OldFileName;\r |
1713 | CHAR8 *NewFileName;\r |
1714 | CHAR8 *CharPointer;\r |
1715 | BOOLEAN AttrChangeFlag;\r |
1716 | BOOLEAN NameChangeFlag;\r |
1717 | BOOLEAN SizeChangeFlag;\r |
1718 | BOOLEAN TimeChangeFlag;\r |
1719 | struct tm NewLastAccessSystemTime;\r |
1720 | struct tm NewLastWriteSystemTime;\r |
1721 | EFI_FILE_SYSTEM_INFO *NewFileSystemInfo;\r |
caea5554 |
1722 | CHAR8 *AsciiFilePtr;\r |
1723 | CHAR16 *UnicodeFilePtr;\r |
1724 | INTN UnixStatus;\r |
c9093a06 |
1725 | \r |
1726 | //\r |
1727 | // Check for invalid parameters.\r |
1728 | //\r |
1729 | if (This == NULL || InformationType == NULL || BufferSize == 0 || Buffer == NULL) {\r |
1730 | return EFI_INVALID_PARAMETER;\r |
1731 | }\r |
1732 | \r |
ac10bddd |
1733 | OldTpl = gBS->RaiseTPL (EFI_TPL_CALLBACK);\r |
1734 | \r |
c9093a06 |
1735 | //\r |
1736 | // Initialise locals.\r |
1737 | //\r |
1738 | PrivateFile = UNIX_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r |
1739 | PrivateRoot = UNIX_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile->SimpleFileSystem);\r |
1740 | \r |
1741 | Status = EFI_UNSUPPORTED;\r |
1742 | OldFileInfo = NewFileInfo = NULL;\r |
1743 | OldFileName = NewFileName = NULL;\r |
1744 | AttrChangeFlag = NameChangeFlag = SizeChangeFlag = TimeChangeFlag = FALSE;\r |
1745 | \r |
1746 | //\r |
1747 | // Set file system information.\r |
1748 | //\r |
1749 | if (CompareGuid (InformationType, &gEfiFileSystemInfoGuid)) {\r |
1750 | if (BufferSize < SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel)) {\r |
ac10bddd |
1751 | Status = EFI_BAD_BUFFER_SIZE;\r |
1752 | goto Done;\r |
c9093a06 |
1753 | }\r |
1754 | \r |
1755 | NewFileSystemInfo = (EFI_FILE_SYSTEM_INFO *) Buffer;\r |
1756 | \r |
1757 | gBS->FreePool (PrivateRoot->VolumeLabel);\r |
1758 | \r |
1759 | PrivateRoot->VolumeLabel = NULL;\r |
1760 | Status = gBS->AllocatePool (\r |
1761 | EfiBootServicesData,\r |
1762 | StrSize (NewFileSystemInfo->VolumeLabel),\r |
1763 | (VOID **)&PrivateRoot->VolumeLabel\r |
1764 | );\r |
1765 | \r |
1766 | if (EFI_ERROR (Status)) {\r |
1767 | goto Done;\r |
1768 | }\r |
1769 | \r |
1770 | StrCpy (PrivateRoot->VolumeLabel, NewFileSystemInfo->VolumeLabel);\r |
1771 | \r |
ac10bddd |
1772 | Status = EFI_SUCCESS;\r |
1773 | goto Done;\r |
c9093a06 |
1774 | }\r |
1775 | \r |
1776 | //\r |
1777 | // Set volume label information.\r |
1778 | //\r |
1779 | if (CompareGuid (InformationType, &gEfiFileSystemVolumeLabelInfoIdGuid)) {\r |
1780 | if (BufferSize < StrSize (PrivateRoot->VolumeLabel)) {\r |
ac10bddd |
1781 | Status = EFI_BAD_BUFFER_SIZE;\r |
1782 | goto Done;\r |
c9093a06 |
1783 | }\r |
1784 | \r |
1785 | StrCpy (PrivateRoot->VolumeLabel, (CHAR16 *) Buffer);\r |
1786 | \r |
ac10bddd |
1787 | Status = EFI_SUCCESS;\r |
1788 | goto Done;\r |
c9093a06 |
1789 | }\r |
1790 | \r |
1791 | if (!CompareGuid (InformationType, &gEfiFileInfoGuid)) {\r |
ac10bddd |
1792 | Status = EFI_UNSUPPORTED;\r |
1793 | goto Done;\r |
c9093a06 |
1794 | }\r |
1795 | \r |
1796 | if (BufferSize < SIZE_OF_EFI_FILE_INFO) {\r |
ac10bddd |
1797 | Status = EFI_BAD_BUFFER_SIZE;\r |
1798 | goto Done;\r |
c9093a06 |
1799 | }\r |
1800 | \r |
1801 | //\r |
1802 | // Set file/directory information.\r |
1803 | //\r |
1804 | \r |
1805 | //\r |
1806 | // Check for invalid set file information parameters.\r |
1807 | //\r |
1808 | NewFileInfo = (EFI_FILE_INFO *) Buffer;\r |
1809 | \r |
1810 | if (NewFileInfo->Size <= sizeof (EFI_FILE_INFO) ||\r |
1811 | (NewFileInfo->Attribute &~(EFI_FILE_VALID_ATTR)) ||\r |
1812 | (sizeof (UINTN) == 4 && NewFileInfo->Size > 0xFFFFFFFF)\r |
1813 | ) {\r |
ac10bddd |
1814 | Status = EFI_INVALID_PARAMETER;\r |
1815 | goto Done;\r |
c9093a06 |
1816 | }\r |
1817 | \r |
1818 | //\r |
1819 | // bugbug: - This is not safe. We need something like EfiStrMaxSize()\r |
1820 | // that would have an additional parameter that would be the size\r |
1821 | // of the string array just in case there are no NULL characters in\r |
1822 | // the string array.\r |
1823 | //\r |
1824 | //\r |
1825 | // Get current file information so we can determine what kind\r |
1826 | // of change request this is.\r |
1827 | //\r |
1828 | OldInfoSize = 0;\r |
1829 | Status = UnixSimpleFileSystemFileInfo (PrivateFile, NULL, &OldInfoSize, NULL);\r |
1830 | \r |
1831 | if (Status != EFI_BUFFER_TOO_SMALL) {\r |
1832 | Status = EFI_DEVICE_ERROR;\r |
1833 | goto Done;\r |
1834 | }\r |
1835 | \r |
caea5554 |
1836 | Status = gBS->AllocatePool (EfiBootServicesData, OldInfoSize,\r |
c9093a06 |
1837 | (VOID **)&OldFileInfo);\r |
1838 | \r |
1839 | if (EFI_ERROR (Status)) {\r |
1840 | goto Done;\r |
1841 | }\r |
1842 | \r |
1843 | Status = UnixSimpleFileSystemFileInfo (PrivateFile, NULL, &OldInfoSize, OldFileInfo);\r |
1844 | \r |
1845 | if (EFI_ERROR (Status)) {\r |
1846 | goto Done;\r |
1847 | }\r |
1848 | \r |
1849 | Status = gBS->AllocatePool (\r |
1850 | EfiBootServicesData,\r |
1851 | AsciiStrSize (PrivateFile->FileName),\r |
1852 | (VOID **)&OldFileName\r |
1853 | );\r |
1854 | \r |
1855 | if (EFI_ERROR (Status)) {\r |
1856 | goto Done;\r |
1857 | }\r |
1858 | \r |
1859 | AsciiStrCpy (OldFileName, PrivateFile->FileName);\r |
1860 | \r |
1861 | //\r |
1862 | // Make full pathname from new filename and rootpath.\r |
1863 | //\r |
1864 | if (NewFileInfo->FileName[0] == '\\') {\r |
1865 | Status = gBS->AllocatePool (\r |
1866 | EfiBootServicesData,\r |
1867 | AsciiStrLen (PrivateRoot->FilePath) + 1 + StrLen (NewFileInfo->FileName) + 1,\r |
1868 | (VOID **)&NewFileName\r |
1869 | );\r |
1870 | \r |
1871 | if (EFI_ERROR (Status)) {\r |
1872 | goto Done;\r |
1873 | }\r |
1874 | \r |
1875 | AsciiStrCpy (NewFileName, PrivateRoot->FilePath);\r |
caea5554 |
1876 | AsciiFilePtr = NewFileName + AsciiStrLen(NewFileName);\r |
1877 | UnicodeFilePtr = NewFileInfo->FileName + 1;\r |
1878 | *AsciiFilePtr++ ='/';\r |
c9093a06 |
1879 | } else {\r |
1880 | Status = gBS->AllocatePool (\r |
1881 | EfiBootServicesData,\r |
1882 | AsciiStrLen (PrivateFile->FileName) + 1 + StrLen (NewFileInfo->FileName) + 1,\r |
1883 | (VOID **)&NewFileName\r |
1884 | );\r |
1885 | \r |
1886 | if (EFI_ERROR (Status)) {\r |
1887 | goto Done;\r |
1888 | }\r |
1889 | \r |
1890 | AsciiStrCpy (NewFileName, PrivateRoot->FilePath);\r |
caea5554 |
1891 | AsciiFilePtr = NewFileName + AsciiStrLen(NewFileName);\r |
1892 | while (AsciiFilePtr > NewFileName && AsciiFilePtr[-1] != '/') {\r |
1893 | AsciiFilePtr--;\r |
1894 | }\r |
1895 | UnicodeFilePtr = NewFileInfo->FileName;\r |
1896 | }\r |
1897 | // Convert to ascii.\r |
1898 | while (*UnicodeFilePtr) {\r |
1899 | *AsciiFilePtr++ = *UnicodeFilePtr++;\r |
c9093a06 |
1900 | }\r |
caea5554 |
1901 | *AsciiFilePtr = 0;\r |
1902 | \r |
c9093a06 |
1903 | \r |
1904 | //\r |
1905 | // Is there an attribute change request?\r |
1906 | //\r |
1907 | if (NewFileInfo->Attribute != OldFileInfo->Attribute) {\r |
1908 | if ((NewFileInfo->Attribute & EFI_FILE_DIRECTORY) != (OldFileInfo->Attribute & EFI_FILE_DIRECTORY)) {\r |
1909 | Status = EFI_INVALID_PARAMETER;\r |
1910 | goto Done;\r |
1911 | }\r |
1912 | \r |
1913 | AttrChangeFlag = TRUE;\r |
1914 | }\r |
1915 | \r |
1916 | //\r |
1917 | // Is there a name change request?\r |
1918 | // bugbug: - Need EfiStrCaseCmp()\r |
1919 | //\r |
1920 | if (StrCmp (NewFileInfo->FileName, OldFileInfo->FileName)) {\r |
1921 | NameChangeFlag = TRUE;\r |
1922 | }\r |
1923 | \r |
1924 | //\r |
1925 | // Is there a size change request?\r |
1926 | //\r |
1927 | if (NewFileInfo->FileSize != OldFileInfo->FileSize) {\r |
1928 | SizeChangeFlag = TRUE;\r |
1929 | }\r |
1930 | \r |
1931 | //\r |
1932 | // Is there a time stamp change request?\r |
1933 | //\r |
1934 | if (!IsZero (&NewFileInfo->CreateTime, sizeof (EFI_TIME)) &&\r |
1935 | CompareMem (&NewFileInfo->CreateTime, &OldFileInfo->CreateTime, sizeof (EFI_TIME))\r |
1936 | ) {\r |
1937 | TimeChangeFlag = TRUE;\r |
1938 | } else if (!IsZero (&NewFileInfo->LastAccessTime, sizeof (EFI_TIME)) &&\r |
1939 | CompareMem (&NewFileInfo->LastAccessTime, &OldFileInfo->LastAccessTime, sizeof (EFI_TIME))\r |
1940 | ) {\r |
1941 | TimeChangeFlag = TRUE;\r |
1942 | } else if (!IsZero (&NewFileInfo->ModificationTime, sizeof (EFI_TIME)) &&\r |
1943 | CompareMem (&NewFileInfo->ModificationTime, &OldFileInfo->ModificationTime, sizeof (EFI_TIME))\r |
1944 | ) {\r |
1945 | TimeChangeFlag = TRUE;\r |
1946 | }\r |
1947 | \r |
1948 | //\r |
1949 | // All done if there are no change requests being made.\r |
1950 | //\r |
1951 | if (!(AttrChangeFlag || NameChangeFlag || SizeChangeFlag || TimeChangeFlag)) {\r |
1952 | Status = EFI_SUCCESS;\r |
1953 | goto Done;\r |
1954 | }\r |
1955 | \r |
1956 | //\r |
1957 | // Set file or directory information.\r |
1958 | //\r |
caea5554 |
1959 | if (PrivateFile->UnixThunk->Stat (OldFileName, &OldAttr) != 0) {\r |
1960 | Status = EFI_DEVICE_ERROR;\r |
1961 | goto Done;\r |
1962 | }\r |
c9093a06 |
1963 | \r |
1964 | //\r |
1965 | // Name change.\r |
1966 | //\r |
1967 | if (NameChangeFlag) {\r |
1968 | //\r |
1969 | // Close the handles first\r |
1970 | //\r |
1971 | if (PrivateFile->IsOpenedByRead) {\r |
1972 | Status = EFI_ACCESS_DENIED;\r |
1973 | goto Done;\r |
1974 | }\r |
1975 | \r |
1976 | for (CharPointer = NewFileName; *CharPointer != 0 && *CharPointer != L'/'; CharPointer++) {\r |
1977 | }\r |
1978 | \r |
1979 | if (*CharPointer != 0) {\r |
1980 | Status = EFI_ACCESS_DENIED;\r |
1981 | goto Done;\r |
1982 | }\r |
1983 | \r |
1984 | UnixStatus = PrivateFile->UnixThunk->Rename (OldFileName, NewFileName);\r |
1985 | \r |
1986 | if (UnixStatus == 0) {\r |
1987 | //\r |
1988 | // modify file name\r |
1989 | //\r |
1990 | gBS->FreePool (PrivateFile->FileName);\r |
1991 | \r |
1992 | Status = gBS->AllocatePool (\r |
1993 | EfiBootServicesData,\r |
1994 | AsciiStrSize (NewFileName),\r |
1995 | (VOID **)&PrivateFile->FileName\r |
1996 | );\r |
1997 | \r |
1998 | if (EFI_ERROR (Status)) {\r |
1999 | goto Done;\r |
2000 | }\r |
2001 | \r |
2002 | AsciiStrCpy (PrivateFile->FileName, NewFileName);\r |
2003 | } else {\r |
2004 | Status = EFI_DEVICE_ERROR;\r |
2005 | goto Done;\r |
2006 | }\r |
2007 | }\r |
2008 | \r |
2009 | //\r |
2010 | // Size change\r |
2011 | //\r |
2012 | if (SizeChangeFlag) {\r |
2013 | if (PrivateFile->IsDirectoryPath) {\r |
2014 | Status = EFI_UNSUPPORTED;\r |
2015 | goto Done;\r |
2016 | }\r |
2017 | \r |
2018 | if (PrivateFile->IsOpenedByRead || OldFileInfo->Attribute & EFI_FILE_READ_ONLY) {\r |
2019 | Status = EFI_ACCESS_DENIED;\r |
2020 | goto Done;\r |
2021 | }\r |
2022 | \r |
2023 | if (PrivateFile->UnixThunk->FTruncate (PrivateFile->fd, NewFileInfo->FileSize) != 0) {\r |
2024 | Status = EFI_DEVICE_ERROR;\r |
2025 | goto Done;\r |
2026 | }\r |
2027 | \r |
2028 | }\r |
2029 | \r |
2030 | //\r |
2031 | // Time change\r |
2032 | //\r |
2033 | if (TimeChangeFlag) {\r |
caea5554 |
2034 | struct utimbuf utime;\r |
c9093a06 |
2035 | \r |
2036 | NewLastAccessSystemTime.tm_year = NewFileInfo->LastAccessTime.Year;\r |
2037 | NewLastAccessSystemTime.tm_mon = NewFileInfo->LastAccessTime.Month;\r |
2038 | NewLastAccessSystemTime.tm_mday = NewFileInfo->LastAccessTime.Day;\r |
2039 | NewLastAccessSystemTime.tm_hour = NewFileInfo->LastAccessTime.Hour;\r |
2040 | NewLastAccessSystemTime.tm_min = NewFileInfo->LastAccessTime.Minute;\r |
2041 | NewLastAccessSystemTime.tm_sec = NewFileInfo->LastAccessTime.Second;\r |
caea5554 |
2042 | NewLastAccessSystemTime.tm_isdst = 0;\r |
2043 | \r |
2044 | utime.actime = PrivateFile->UnixThunk->MkTime (&NewLastAccessSystemTime);\r |
c9093a06 |
2045 | \r |
c9093a06 |
2046 | NewLastWriteSystemTime.tm_year = NewFileInfo->ModificationTime.Year;\r |
2047 | NewLastWriteSystemTime.tm_mon = NewFileInfo->ModificationTime.Month;\r |
2048 | NewLastWriteSystemTime.tm_mday = NewFileInfo->ModificationTime.Day;\r |
2049 | NewLastWriteSystemTime.tm_hour = NewFileInfo->ModificationTime.Hour;\r |
2050 | NewLastWriteSystemTime.tm_min = NewFileInfo->ModificationTime.Minute;\r |
2051 | NewLastWriteSystemTime.tm_sec = NewFileInfo->ModificationTime.Second;\r |
caea5554 |
2052 | NewLastWriteSystemTime.tm_isdst = 0;\r |
2053 | \r |
2054 | utime.modtime = PrivateFile->UnixThunk->MkTime (&NewLastWriteSystemTime);\r |
c9093a06 |
2055 | \r |
caea5554 |
2056 | if (utime.actime == (time_t)-1 || utime.modtime == (time_t)-1) {\r |
c9093a06 |
2057 | goto Done;\r |
2058 | }\r |
2059 | \r |
caea5554 |
2060 | if (PrivateFile->UnixThunk->UTime (PrivateFile->FileName, &utime) == -1) {\r |
c9093a06 |
2061 | goto Done;\r |
2062 | }\r |
2063 | }\r |
2064 | \r |
2065 | //\r |
2066 | // No matter about AttrChangeFlag, Attribute must be set.\r |
2067 | // Because operation before may cause attribute change.\r |
2068 | //\r |
2069 | NewAttr = OldAttr.st_mode;\r |
2070 | \r |
2071 | if (NewFileInfo->Attribute & EFI_FILE_READ_ONLY) {\r |
caea5554 |
2072 | NewAttr &= ~(S_IRUSR | S_IRGRP | S_IROTH);\r |
c9093a06 |
2073 | } else {\r |
caea5554 |
2074 | NewAttr |= S_IRUSR;\r |
c9093a06 |
2075 | }\r |
2076 | \r |
2077 | UnixStatus = PrivateFile->UnixThunk->Chmod (NewFileName, NewAttr);\r |
2078 | \r |
2079 | if (UnixStatus != 0) {\r |
2080 | Status = EFI_DEVICE_ERROR;\r |
2081 | }\r |
2082 | \r |
2083 | Done:\r |
2084 | if (OldFileInfo != NULL) {\r |
2085 | gBS->FreePool (OldFileInfo);\r |
2086 | }\r |
2087 | \r |
2088 | if (OldFileName != NULL) {\r |
2089 | gBS->FreePool (OldFileName);\r |
2090 | }\r |
2091 | \r |
2092 | if (NewFileName != NULL) {\r |
2093 | gBS->FreePool (NewFileName);\r |
2094 | }\r |
2095 | \r |
ac10bddd |
2096 | gBS->RestoreTPL (OldTpl);\r |
2097 | \r |
c9093a06 |
2098 | return Status;\r |
2099 | }\r |
2100 | \r |
2101 | EFI_STATUS\r |
2102 | EFIAPI\r |
2103 | UnixSimpleFileSystemFlush (\r |
2104 | IN EFI_FILE *This\r |
2105 | )\r |
2106 | /*++\r |
2107 | \r |
2108 | Routine Description:\r |
2109 | \r |
2110 | Flush all modified data to the media.\r |
2111 | \r |
2112 | Arguments:\r |
2113 | \r |
2114 | This - Pointer to an opened file handle.\r |
2115 | \r |
2116 | Returns:\r |
2117 | \r |
2118 | EFI_SUCCESS - The data has been flushed.\r |
2119 | \r |
2120 | EFI_NO_MEDIA - The device has no media.\r |
2121 | \r |
2122 | EFI_DEVICE_ERROR - The device reported an error.\r |
2123 | \r |
2124 | EFI_VOLUME_CORRUPTED - The file system structures have been corrupted.\r |
2125 | \r |
2126 | EFI_WRITE_PROTECTED - The file, directory, volume, or device is write protected.\r |
2127 | \r |
2128 | EFI_ACCESS_DENIED - The file was opened read-only.\r |
2129 | \r |
2130 | EFI_VOLUME_FULL - The volume is full.\r |
2131 | \r |
2132 | --*/\r |
2133 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
2134 | {\r |
2135 | UNIX_EFI_FILE_PRIVATE *PrivateFile;\r |
ac10bddd |
2136 | EFI_STATUS Status;\r |
2137 | EFI_TPL OldTpl;\r |
c9093a06 |
2138 | \r |
2139 | if (This == NULL) {\r |
2140 | return EFI_INVALID_PARAMETER;\r |
2141 | }\r |
2142 | \r |
ac10bddd |
2143 | OldTpl = gBS->RaiseTPL (EFI_TPL_CALLBACK);\r |
2144 | \r |
c9093a06 |
2145 | PrivateFile = UNIX_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r |
2146 | \r |
2147 | \r |
2148 | if (PrivateFile->IsDirectoryPath) {\r |
ac10bddd |
2149 | Status = EFI_SUCCESS;\r |
2150 | goto Done;\r |
c9093a06 |
2151 | }\r |
2152 | \r |
2153 | if (PrivateFile->IsOpenedByRead) {\r |
ac10bddd |
2154 | Status = EFI_ACCESS_DENIED;\r |
2155 | goto Done;\r |
c9093a06 |
2156 | }\r |
2157 | \r |
caea5554 |
2158 | if (PrivateFile->fd < 0) {\r |
ac10bddd |
2159 | Status = EFI_DEVICE_ERROR;\r |
2160 | goto Done;\r |
c9093a06 |
2161 | }\r |
caea5554 |
2162 | \r |
ac10bddd |
2163 | PrivateFile->UnixThunk->FSync (PrivateFile->fd) == 0 ? EFI_SUCCESS : EFI_DEVICE_ERROR;\r |
2164 | \r |
2165 | Done:\r |
2166 | gBS->RestoreTPL (OldTpl);\r |
2167 | \r |
2168 | return Status;\r |
c9093a06 |
2169 | \r |
2170 | //\r |
377fc2ae |
2171 | // bugbug: - Use Unix error reporting.\r |
c9093a06 |
2172 | //\r |
2173 | }\r |
2174 | \r |
ac10bddd |
2175 | \r |