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79e4f2a5 RN |
1 | /*++ @file\r |
2 | POSIX Pthreads to emulate APs and implement threads\r | |
3 | \r | |
4 | Copyright (c) 2011, Apple Inc. All rights reserved.\r | |
e3ba31da | 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
79e4f2a5 RN |
6 | \r |
7 | \r | |
8 | **/\r | |
9 | \r | |
10 | #include "Host.h"\r | |
11 | \r | |
12 | \r | |
13 | #define EMU_SIMPLE_FILE_SYSTEM_PRIVATE_SIGNATURE SIGNATURE_32 ('E', 'P', 'f', 's')\r | |
14 | \r | |
15 | typedef struct {\r | |
16 | UINTN Signature;\r | |
17 | EMU_IO_THUNK_PROTOCOL *Thunk;\r | |
18 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL SimpleFileSystem;\r | |
19 | CHAR8 *FilePath;\r | |
20 | CHAR16 *VolumeLabel;\r | |
21 | BOOLEAN FileHandlesOpen;\r | |
22 | } EMU_SIMPLE_FILE_SYSTEM_PRIVATE;\r | |
23 | \r | |
24 | #define EMU_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS(a) \\r | |
25 | CR (a, \\r | |
26 | EMU_SIMPLE_FILE_SYSTEM_PRIVATE, \\r | |
27 | SimpleFileSystem, \\r | |
28 | EMU_SIMPLE_FILE_SYSTEM_PRIVATE_SIGNATURE \\r | |
29 | )\r | |
30 | \r | |
31 | \r | |
32 | #define EMU_EFI_FILE_PRIVATE_SIGNATURE SIGNATURE_32 ('E', 'P', 'f', 'i')\r | |
33 | \r | |
34 | typedef struct {\r | |
35 | UINTN Signature;\r | |
36 | EMU_IO_THUNK_PROTOCOL *Thunk;\r | |
37 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *SimpleFileSystem;\r | |
38 | EFI_FILE_PROTOCOL EfiFile;\r | |
39 | int fd;\r | |
40 | DIR *Dir;\r | |
41 | BOOLEAN IsRootDirectory;\r | |
42 | BOOLEAN IsDirectoryPath;\r | |
43 | BOOLEAN IsOpenedByRead;\r | |
44 | char *FileName;\r | |
45 | struct dirent *Dirent;\r | |
46 | } EMU_EFI_FILE_PRIVATE;\r | |
47 | \r | |
48 | #define EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS(a) \\r | |
49 | CR (a, \\r | |
50 | EMU_EFI_FILE_PRIVATE, \\r | |
51 | EfiFile, \\r | |
52 | EMU_EFI_FILE_PRIVATE_SIGNATURE \\r | |
53 | )\r | |
54 | \r | |
55 | EFI_STATUS\r | |
56 | PosixFileGetInfo (\r | |
57 | IN EFI_FILE_PROTOCOL *This,\r | |
58 | IN EFI_GUID *InformationType,\r | |
59 | IN OUT UINTN *BufferSize,\r | |
60 | OUT VOID *Buffer\r | |
61 | );\r | |
62 | \r | |
63 | EFI_STATUS\r | |
64 | PosixFileSetInfo (\r | |
65 | IN EFI_FILE_PROTOCOL *This,\r | |
66 | IN EFI_GUID *InformationType,\r | |
67 | IN UINTN BufferSize,\r | |
68 | IN VOID *Buffer\r | |
69 | );\r | |
70 | \r | |
71 | \r | |
72 | EFI_FILE_PROTOCOL gPosixFileProtocol = {\r | |
73 | EFI_FILE_REVISION,\r | |
74 | GasketPosixFileOpen,\r | |
75 | GasketPosixFileCLose,\r | |
76 | GasketPosixFileDelete,\r | |
77 | GasketPosixFileRead,\r | |
78 | GasketPosixFileWrite,\r | |
79 | GasketPosixFileGetPossition,\r | |
80 | GasketPosixFileSetPossition,\r | |
81 | GasketPosixFileGetInfo,\r | |
82 | GasketPosixFileSetInfo,\r | |
83 | GasketPosixFileFlush\r | |
84 | };\r | |
85 | \r | |
86 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL gPosixFileSystemProtocol = {\r | |
87 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION,\r | |
88 | GasketPosixOpenVolume,\r | |
89 | };\r | |
90 | \r | |
91 | \r | |
92 | /**\r | |
93 | Open the root directory on a volume.\r | |
94 | \r | |
95 | @param This Protocol instance pointer.\r | |
96 | @param Root Returns an Open file handle for the root directory\r | |
97 | \r | |
98 | @retval EFI_SUCCESS The device was opened.\r | |
99 | @retval EFI_UNSUPPORTED This volume does not support the file system.\r | |
100 | @retval EFI_NO_MEDIA The device has no media.\r | |
101 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
102 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r | |
103 | @retval EFI_ACCESS_DENIED The service denied access to the file.\r | |
104 | @retval EFI_OUT_OF_RESOURCES The volume was not opened due to lack of resources.\r | |
105 | \r | |
106 | **/\r | |
107 | EFI_STATUS\r | |
108 | PosixOpenVolume (\r | |
109 | IN EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *This,\r | |
110 | OUT EFI_FILE_PROTOCOL **Root\r | |
111 | )\r | |
112 | {\r | |
113 | EFI_STATUS Status;\r | |
114 | EMU_SIMPLE_FILE_SYSTEM_PRIVATE *Private;\r | |
115 | EMU_EFI_FILE_PRIVATE *PrivateFile;\r | |
116 | \r | |
117 | Private = EMU_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (This);\r | |
118 | \r | |
119 | Status = EFI_OUT_OF_RESOURCES;\r | |
120 | PrivateFile = malloc (sizeof (EMU_EFI_FILE_PRIVATE));\r | |
121 | if (PrivateFile == NULL) {\r | |
122 | goto Done;\r | |
123 | }\r | |
124 | \r | |
125 | PrivateFile->FileName = malloc (AsciiStrSize (Private->FilePath));\r | |
126 | if (PrivateFile->FileName == NULL) {\r | |
127 | goto Done;\r | |
128 | }\r | |
129 | AsciiStrCpy (PrivateFile->FileName, Private->FilePath);\r | |
130 | \r | |
131 | PrivateFile->Signature = EMU_EFI_FILE_PRIVATE_SIGNATURE;\r | |
132 | PrivateFile->Thunk = Private->Thunk;\r | |
133 | PrivateFile->SimpleFileSystem = This;\r | |
134 | PrivateFile->IsRootDirectory = TRUE;\r | |
135 | PrivateFile->IsDirectoryPath = TRUE;\r | |
136 | PrivateFile->IsOpenedByRead = TRUE;\r | |
137 | \r | |
138 | CopyMem (&PrivateFile->EfiFile, &gPosixFileProtocol, sizeof (EFI_FILE_PROTOCOL));\r | |
139 | \r | |
140 | PrivateFile->fd = -1;\r | |
141 | PrivateFile->Dir = NULL;\r | |
142 | PrivateFile->Dirent = NULL;\r | |
143 | \r | |
144 | *Root = &PrivateFile->EfiFile;\r | |
145 | \r | |
146 | PrivateFile->Dir = opendir (PrivateFile->FileName);\r | |
147 | if (PrivateFile->Dir == NULL) {\r | |
148 | Status = EFI_ACCESS_DENIED;\r | |
149 | } else {\r | |
150 | Status = EFI_SUCCESS;\r | |
151 | }\r | |
152 | \r | |
153 | Done:\r | |
154 | if (EFI_ERROR (Status)) {\r | |
155 | if (PrivateFile != NULL) {\r | |
156 | if (PrivateFile->FileName != NULL) {\r | |
157 | free (PrivateFile->FileName);\r | |
158 | }\r | |
159 | \r | |
160 | free (PrivateFile);\r | |
161 | }\r | |
162 | \r | |
163 | *Root = NULL;\r | |
164 | }\r | |
165 | \r | |
166 | return Status;\r | |
167 | }\r | |
168 | \r | |
169 | \r | |
170 | EFI_STATUS\r | |
171 | ErrnoToEfiStatus ()\r | |
172 | {\r | |
173 | switch (errno) {\r | |
174 | case EACCES:\r | |
175 | return EFI_ACCESS_DENIED;\r | |
176 | \r | |
177 | case EDQUOT:\r | |
178 | case ENOSPC:\r | |
179 | return EFI_VOLUME_FULL;\r | |
180 | \r | |
181 | default:\r | |
182 | return EFI_DEVICE_ERROR;\r | |
183 | }\r | |
184 | }\r | |
185 | \r | |
186 | VOID\r | |
187 | CutPrefix (\r | |
188 | IN CHAR8 *Str,\r | |
189 | IN UINTN Count\r | |
190 | )\r | |
191 | {\r | |
192 | CHAR8 *Pointer;\r | |
193 | \r | |
194 | if (AsciiStrLen (Str) < Count) {\r | |
195 | ASSERT (0);\r | |
196 | }\r | |
197 | \r | |
198 | for (Pointer = Str; *(Pointer + Count); Pointer++) {\r | |
199 | *Pointer = *(Pointer + Count);\r | |
200 | }\r | |
201 | \r | |
202 | *Pointer = *(Pointer + Count);\r | |
203 | }\r | |
204 | \r | |
205 | \r | |
206 | VOID\r | |
207 | PosixSystemTimeToEfiTime (\r | |
208 | IN time_t SystemTime,\r | |
209 | OUT EFI_TIME *Time\r | |
210 | )\r | |
211 | {\r | |
212 | struct tm *tm;\r | |
213 | \r | |
214 | tm = gmtime (&SystemTime);\r | |
215 | Time->Year = tm->tm_year;\r | |
216 | Time->Month = tm->tm_mon + 1;\r | |
217 | Time->Day = tm->tm_mday;\r | |
218 | Time->Hour = tm->tm_hour;\r | |
219 | Time->Minute = tm->tm_min;\r | |
220 | Time->Second = tm->tm_sec;\r | |
221 | Time->Nanosecond = 0;\r | |
222 | \r | |
223 | Time->TimeZone = timezone;\r | |
224 | Time->Daylight = (daylight ? EFI_TIME_ADJUST_DAYLIGHT : 0) | (tm->tm_isdst > 0 ? EFI_TIME_IN_DAYLIGHT : 0);\r | |
225 | }\r | |
226 | \r | |
227 | \r | |
228 | EFI_STATUS\r | |
229 | UnixSimpleFileSystemFileInfo (\r | |
230 | EMU_EFI_FILE_PRIVATE *PrivateFile,\r | |
231 | IN CHAR8 *FileName,\r | |
232 | IN OUT UINTN *BufferSize,\r | |
233 | OUT VOID *Buffer\r | |
234 | )\r | |
235 | {\r | |
236 | EFI_STATUS Status;\r | |
237 | UINTN Size;\r | |
238 | UINTN NameSize;\r | |
239 | UINTN ResultSize;\r | |
240 | EFI_FILE_INFO *Info;\r | |
241 | CHAR8 *RealFileName;\r | |
242 | CHAR8 *TempPointer;\r | |
243 | CHAR16 *BufferFileName;\r | |
244 | struct stat buf;\r | |
245 | \r | |
246 | if (FileName != NULL) {\r | |
247 | RealFileName = FileName;\r | |
248 | } else if (PrivateFile->IsRootDirectory) {\r | |
249 | RealFileName = "";\r | |
250 | } else {\r | |
251 | RealFileName = PrivateFile->FileName;\r | |
252 | }\r | |
253 | \r | |
254 | TempPointer = RealFileName;\r | |
255 | while (*TempPointer) {\r | |
256 | if (*TempPointer == '/') {\r | |
257 | RealFileName = TempPointer + 1;\r | |
258 | }\r | |
259 | \r | |
260 | TempPointer++;\r | |
261 | }\r | |
262 | \r | |
263 | Size = SIZE_OF_EFI_FILE_INFO;\r | |
264 | NameSize = AsciiStrSize (RealFileName) * 2;\r | |
265 | ResultSize = Size + NameSize;\r | |
266 | \r | |
267 | if (*BufferSize < ResultSize) {\r | |
268 | *BufferSize = ResultSize;\r | |
269 | return EFI_BUFFER_TOO_SMALL;\r | |
270 | }\r | |
271 | if (stat (FileName == NULL ? PrivateFile->FileName : FileName, &buf) < 0) {\r | |
272 | return EFI_DEVICE_ERROR;\r | |
273 | }\r | |
274 | \r | |
275 | Status = EFI_SUCCESS;\r | |
276 | \r | |
277 | Info = Buffer;\r | |
278 | ZeroMem (Info, ResultSize);\r | |
279 | \r | |
280 | Info->Size = ResultSize;\r | |
281 | Info->FileSize = buf.st_size;\r | |
282 | Info->PhysicalSize = MultU64x32 (buf.st_blocks, buf.st_blksize);\r | |
283 | \r | |
284 | PosixSystemTimeToEfiTime (buf.st_ctime, &Info->CreateTime);\r | |
285 | PosixSystemTimeToEfiTime (buf.st_atime, &Info->LastAccessTime);\r | |
286 | PosixSystemTimeToEfiTime (buf.st_mtime, &Info->ModificationTime);\r | |
287 | \r | |
288 | if (!(buf.st_mode & S_IWUSR)) {\r | |
289 | Info->Attribute |= EFI_FILE_READ_ONLY;\r | |
290 | }\r | |
291 | \r | |
292 | if (S_ISDIR(buf.st_mode)) {\r | |
293 | Info->Attribute |= EFI_FILE_DIRECTORY;\r | |
294 | }\r | |
295 | \r | |
296 | \r | |
297 | BufferFileName = (CHAR16 *)((CHAR8 *) Buffer + Size);\r | |
298 | while (*RealFileName) {\r | |
299 | *BufferFileName++ = *RealFileName++;\r | |
300 | }\r | |
301 | *BufferFileName = 0;\r | |
302 | \r | |
303 | *BufferSize = ResultSize;\r | |
304 | return Status;\r | |
305 | }\r | |
306 | \r | |
307 | BOOLEAN\r | |
308 | IsZero (\r | |
309 | IN VOID *Buffer,\r | |
310 | IN UINTN Length\r | |
311 | )\r | |
312 | {\r | |
313 | if (Buffer == NULL || Length == 0) {\r | |
314 | return FALSE;\r | |
315 | }\r | |
316 | \r | |
317 | if (*(UINT8 *) Buffer != 0) {\r | |
318 | return FALSE;\r | |
319 | }\r | |
320 | \r | |
321 | if (Length > 1) {\r | |
322 | if (!CompareMem (Buffer, (UINT8 *) Buffer + 1, Length - 1)) {\r | |
323 | return FALSE;\r | |
324 | }\r | |
325 | }\r | |
326 | \r | |
327 | return TRUE;\r | |
328 | }\r | |
329 | \r | |
330 | \r | |
331 | \r | |
332 | /**\r | |
333 | Opens a new file relative to the source file's location.\r | |
334 | \r | |
335 | @param This The protocol instance pointer.\r | |
336 | @param NewHandle Returns File Handle for FileName.\r | |
337 | @param FileName Null terminated string. "\", ".", and ".." are supported.\r | |
338 | @param OpenMode Open mode for file.\r | |
339 | @param Attributes Only used for EFI_FILE_MODE_CREATE.\r | |
340 | \r | |
341 | @retval EFI_SUCCESS The device was opened.\r | |
342 | @retval EFI_NOT_FOUND The specified file could not be found on the device.\r | |
343 | @retval EFI_NO_MEDIA The device has no media.\r | |
344 | @retval EFI_MEDIA_CHANGED The media has changed.\r | |
345 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
346 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r | |
347 | @retval EFI_ACCESS_DENIED The service denied access to the file.\r | |
348 | @retval EFI_OUT_OF_RESOURCES The volume was not opened due to lack of resources.\r | |
349 | @retval EFI_VOLUME_FULL The volume is full.\r | |
350 | \r | |
351 | **/\r | |
352 | EFI_STATUS\r | |
353 | PosixFileOpen (\r | |
354 | IN EFI_FILE_PROTOCOL *This,\r | |
355 | OUT EFI_FILE_PROTOCOL **NewHandle,\r | |
356 | IN CHAR16 *FileName,\r | |
357 | IN UINT64 OpenMode,\r | |
358 | IN UINT64 Attributes\r | |
359 | )\r | |
360 | {\r | |
361 | EFI_FILE_PROTOCOL *Root;\r | |
362 | EMU_EFI_FILE_PRIVATE *PrivateFile;\r | |
363 | EMU_EFI_FILE_PRIVATE *NewPrivateFile;\r | |
364 | EMU_SIMPLE_FILE_SYSTEM_PRIVATE *PrivateRoot;\r | |
365 | EFI_STATUS Status;\r | |
366 | CHAR16 *Src;\r | |
367 | char *Dst;\r | |
368 | CHAR8 *RealFileName;\r | |
369 | char *ParseFileName;\r | |
370 | char *GuardPointer;\r | |
371 | CHAR8 TempChar;\r | |
372 | UINTN Count;\r | |
373 | BOOLEAN TrailingDash;\r | |
374 | BOOLEAN LoopFinish;\r | |
375 | UINTN InfoSize;\r | |
376 | EFI_FILE_INFO *Info;\r | |
377 | struct stat finfo;\r | |
378 | int res;\r | |
379 | \r | |
380 | \r | |
381 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r | |
382 | PrivateRoot = EMU_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile->SimpleFileSystem);\r | |
383 | NewPrivateFile = NULL;\r | |
384 | Status = EFI_OUT_OF_RESOURCES;\r | |
385 | \r | |
386 | //\r | |
387 | // BUGBUG: assume an open of root\r | |
388 | // if current location, return current data\r | |
389 | //\r | |
390 | TrailingDash = FALSE;\r | |
391 | if ((StrCmp (FileName, L"\\") == 0) ||\r | |
392 | (StrCmp (FileName, L".") == 0 && PrivateFile->IsRootDirectory)) {\r | |
393 | OpenRoot:\r | |
394 | Status = PosixOpenVolume (PrivateFile->SimpleFileSystem, &Root);\r | |
395 | NewPrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (Root);\r | |
396 | goto Done;\r | |
397 | }\r | |
398 | \r | |
399 | if (FileName[StrLen (FileName) - 1] == L'\\') {\r | |
400 | TrailingDash = TRUE;\r | |
401 | FileName[StrLen (FileName) - 1] = 0;\r | |
402 | }\r | |
403 | \r | |
404 | //\r | |
405 | // Attempt to open the file\r | |
406 | //\r | |
407 | NewPrivateFile = malloc (sizeof (EMU_EFI_FILE_PRIVATE));\r | |
408 | if (NewPrivateFile == NULL) {\r | |
409 | goto Done;\r | |
410 | }\r | |
411 | \r | |
412 | CopyMem (NewPrivateFile, PrivateFile, sizeof (EMU_EFI_FILE_PRIVATE));\r | |
413 | \r | |
414 | NewPrivateFile->FileName = malloc (AsciiStrSize (PrivateFile->FileName) + 1 + StrLen (FileName) + 1);\r | |
415 | if (NewPrivateFile->FileName == NULL) {\r | |
416 | goto Done;\r | |
417 | }\r | |
418 | \r | |
419 | if (*FileName == L'\\') {\r | |
420 | AsciiStrCpy (NewPrivateFile->FileName, PrivateRoot->FilePath);\r | |
421 | // Skip first '\'.\r | |
422 | Src = FileName + 1;\r | |
423 | } else {\r | |
424 | AsciiStrCpy (NewPrivateFile->FileName, PrivateFile->FileName);\r | |
425 | Src = FileName;\r | |
426 | }\r | |
427 | Dst = NewPrivateFile->FileName + AsciiStrLen (NewPrivateFile->FileName);\r | |
428 | GuardPointer = NewPrivateFile->FileName + AsciiStrLen (PrivateRoot->FilePath);\r | |
429 | *Dst++ = '/';\r | |
430 | // Convert unicode to ascii and '\' to '/'\r | |
431 | while (*Src) {\r | |
432 | if (*Src == '\\') {\r | |
433 | *Dst++ = '/';\r | |
434 | } else {\r | |
435 | *Dst++ = *Src;\r | |
436 | }\r | |
437 | Src++;\r | |
438 | }\r | |
439 | *Dst = 0;\r | |
440 | \r | |
441 | \r | |
442 | //\r | |
443 | // Get rid of . and .., except leading . or ..\r | |
444 | //\r | |
445 | \r | |
446 | //\r | |
447 | // GuardPointer protect simplefilesystem root path not be destroyed\r | |
448 | //\r | |
449 | \r | |
450 | LoopFinish = FALSE;\r | |
451 | while (!LoopFinish) {\r | |
452 | LoopFinish = TRUE;\r | |
453 | \r | |
454 | for (ParseFileName = GuardPointer; *ParseFileName; ParseFileName++) {\r | |
455 | if (*ParseFileName == '.' &&\r | |
456 | (*(ParseFileName + 1) == 0 || *(ParseFileName + 1) == '/') &&\r | |
457 | *(ParseFileName - 1) == '/'\r | |
458 | ) {\r | |
459 | \r | |
460 | //\r | |
461 | // cut /.\r | |
462 | //\r | |
463 | CutPrefix (ParseFileName - 1, 2);\r | |
464 | LoopFinish = FALSE;\r | |
465 | break;\r | |
466 | }\r | |
467 | \r | |
468 | if (*ParseFileName == '.' &&\r | |
469 | *(ParseFileName + 1) == '.' &&\r | |
470 | (*(ParseFileName + 2) == 0 || *(ParseFileName + 2) == '/') &&\r | |
471 | *(ParseFileName - 1) == '/'\r | |
472 | ) {\r | |
473 | \r | |
474 | ParseFileName--;\r | |
475 | Count = 3;\r | |
476 | \r | |
477 | while (ParseFileName != GuardPointer) {\r | |
478 | ParseFileName--;\r | |
479 | Count++;\r | |
480 | if (*ParseFileName == '/') {\r | |
481 | break;\r | |
482 | }\r | |
483 | }\r | |
484 | \r | |
485 | //\r | |
486 | // cut /.. and its left directory\r | |
487 | //\r | |
488 | CutPrefix (ParseFileName, Count);\r | |
489 | LoopFinish = FALSE;\r | |
490 | break;\r | |
491 | }\r | |
492 | }\r | |
493 | }\r | |
494 | \r | |
495 | if (AsciiStrCmp (NewPrivateFile->FileName, PrivateRoot->FilePath) == 0) {\r | |
496 | NewPrivateFile->IsRootDirectory = TRUE;\r | |
497 | free (NewPrivateFile->FileName);\r | |
498 | free (NewPrivateFile);\r | |
499 | goto OpenRoot;\r | |
500 | }\r | |
501 | \r | |
502 | RealFileName = NewPrivateFile->FileName + AsciiStrLen(NewPrivateFile->FileName) - 1;\r | |
503 | while (RealFileName > NewPrivateFile->FileName && *RealFileName != '/') {\r | |
504 | RealFileName--;\r | |
505 | }\r | |
506 | \r | |
507 | TempChar = *(RealFileName - 1);\r | |
508 | *(RealFileName - 1) = 0;\r | |
509 | *(RealFileName - 1) = TempChar;\r | |
510 | \r | |
511 | \r | |
512 | //\r | |
513 | // Test whether file or directory\r | |
514 | //\r | |
515 | NewPrivateFile->IsRootDirectory = FALSE;\r | |
516 | NewPrivateFile->fd = -1;\r | |
517 | NewPrivateFile->Dir = NULL;\r | |
518 | if (OpenMode & EFI_FILE_MODE_CREATE) {\r | |
519 | if (Attributes & EFI_FILE_DIRECTORY) {\r | |
520 | NewPrivateFile->IsDirectoryPath = TRUE;\r | |
521 | } else {\r | |
522 | NewPrivateFile->IsDirectoryPath = FALSE;\r | |
523 | }\r | |
524 | } else {\r | |
525 | res = stat (NewPrivateFile->FileName, &finfo);\r | |
526 | if (res == 0 && S_ISDIR(finfo.st_mode)) {\r | |
527 | NewPrivateFile->IsDirectoryPath = TRUE;\r | |
528 | } else {\r | |
529 | NewPrivateFile->IsDirectoryPath = FALSE;\r | |
530 | }\r | |
531 | }\r | |
532 | \r | |
533 | if (OpenMode & EFI_FILE_MODE_WRITE) {\r | |
534 | NewPrivateFile->IsOpenedByRead = FALSE;\r | |
535 | } else {\r | |
536 | NewPrivateFile->IsOpenedByRead = TRUE;\r | |
537 | }\r | |
538 | \r | |
539 | Status = EFI_SUCCESS;\r | |
540 | \r | |
541 | //\r | |
542 | // deal with directory\r | |
543 | //\r | |
544 | if (NewPrivateFile->IsDirectoryPath) {\r | |
545 | if ((OpenMode & EFI_FILE_MODE_CREATE)) {\r | |
546 | //\r | |
547 | // Create a directory\r | |
548 | //\r | |
549 | if (mkdir (NewPrivateFile->FileName, 0777) != 0) {\r | |
550 | if (errno != EEXIST) {\r | |
551 | //free (TempFileName);\r | |
552 | Status = EFI_ACCESS_DENIED;\r | |
553 | goto Done;\r | |
554 | }\r | |
555 | }\r | |
556 | }\r | |
557 | \r | |
558 | NewPrivateFile->Dir = opendir (NewPrivateFile->FileName);\r | |
559 | if (NewPrivateFile->Dir == NULL) {\r | |
560 | if (errno == EACCES) {\r | |
561 | Status = EFI_ACCESS_DENIED;\r | |
562 | } else {\r | |
563 | Status = EFI_NOT_FOUND;\r | |
564 | }\r | |
565 | \r | |
566 | goto Done;\r | |
567 | }\r | |
568 | \r | |
569 | } else {\r | |
570 | //\r | |
571 | // deal with file\r | |
572 | //\r | |
573 | NewPrivateFile->fd = open (\r | |
574 | NewPrivateFile->FileName,\r | |
575 | ((OpenMode & EFI_FILE_MODE_CREATE) ? O_CREAT : 0) | (NewPrivateFile->IsOpenedByRead ? O_RDONLY : O_RDWR),\r | |
576 | 0666\r | |
577 | );\r | |
578 | if (NewPrivateFile->fd < 0) {\r | |
579 | if (errno == ENOENT) {\r | |
580 | Status = EFI_NOT_FOUND;\r | |
581 | } else {\r | |
582 | Status = EFI_ACCESS_DENIED;\r | |
583 | }\r | |
584 | }\r | |
585 | }\r | |
586 | \r | |
587 | if ((OpenMode & EFI_FILE_MODE_CREATE) && Status == EFI_SUCCESS) {\r | |
588 | //\r | |
589 | // Set the attribute\r | |
590 | //\r | |
591 | InfoSize = 0;\r | |
592 | Info = NULL;\r | |
593 | Status = PosixFileGetInfo (&NewPrivateFile->EfiFile, &gEfiFileInfoGuid, &InfoSize, Info);\r | |
594 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
595 | Status = EFI_DEVICE_ERROR;\r | |
596 | goto Done;\r | |
597 | }\r | |
598 | \r | |
599 | Info = malloc (InfoSize);\r | |
600 | if (Info == NULL) {\r | |
601 | goto Done;\r | |
602 | }\r | |
603 | \r | |
604 | Status = PosixFileGetInfo (&NewPrivateFile->EfiFile, &gEfiFileInfoGuid, &InfoSize, Info);\r | |
605 | if (EFI_ERROR (Status)) {\r | |
606 | goto Done;\r | |
607 | }\r | |
608 | \r | |
609 | Info->Attribute = Attributes;\r | |
610 | PosixFileSetInfo (&NewPrivateFile->EfiFile, &gEfiFileInfoGuid, InfoSize, Info);\r | |
611 | \r | |
612 | free (Info);\r | |
613 | }\r | |
614 | \r | |
615 | Done: ;\r | |
616 | if (TrailingDash) {\r | |
617 | FileName[StrLen (FileName) + 1] = 0;\r | |
618 | FileName[StrLen (FileName)] = L'\\';\r | |
619 | }\r | |
620 | \r | |
621 | if (EFI_ERROR (Status)) {\r | |
622 | if (NewPrivateFile) {\r | |
623 | if (NewPrivateFile->FileName) {\r | |
624 | free (NewPrivateFile->FileName);\r | |
625 | }\r | |
626 | \r | |
627 | free (NewPrivateFile);\r | |
628 | }\r | |
629 | } else {\r | |
630 | *NewHandle = &NewPrivateFile->EfiFile;\r | |
631 | }\r | |
632 | \r | |
633 | return Status;\r | |
634 | }\r | |
635 | \r | |
636 | \r | |
637 | \r | |
638 | /**\r | |
639 | Close the file handle\r | |
640 | \r | |
641 | @param This Protocol instance pointer.\r | |
642 | \r | |
643 | @retval EFI_SUCCESS The device was opened.\r | |
644 | \r | |
645 | **/\r | |
646 | EFI_STATUS\r | |
647 | PosixFileCLose (\r | |
648 | IN EFI_FILE_PROTOCOL *This\r | |
649 | )\r | |
650 | {\r | |
651 | EMU_EFI_FILE_PRIVATE *PrivateFile;\r | |
652 | \r | |
653 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r | |
654 | \r | |
655 | if (PrivateFile->fd >= 0) {\r | |
656 | close (PrivateFile->fd);\r | |
657 | }\r | |
658 | if (PrivateFile->Dir != NULL) {\r | |
659 | closedir (PrivateFile->Dir);\r | |
660 | }\r | |
661 | \r | |
662 | PrivateFile->fd = -1;\r | |
663 | PrivateFile->Dir = NULL;\r | |
664 | \r | |
665 | if (PrivateFile->FileName) {\r | |
666 | free (PrivateFile->FileName);\r | |
667 | }\r | |
668 | \r | |
669 | free (PrivateFile);\r | |
670 | \r | |
671 | return EFI_SUCCESS;\r | |
672 | }\r | |
673 | \r | |
674 | \r | |
675 | /**\r | |
676 | Close and delete the file handle.\r | |
677 | \r | |
678 | @param This Protocol instance pointer.\r | |
679 | \r | |
680 | @retval EFI_SUCCESS The device was opened.\r | |
681 | @retval EFI_WARN_DELETE_FAILURE The handle was closed but the file was not deleted.\r | |
682 | \r | |
683 | **/\r | |
684 | EFI_STATUS\r | |
685 | PosixFileDelete (\r | |
686 | IN EFI_FILE_PROTOCOL *This\r | |
687 | )\r | |
688 | {\r | |
689 | EFI_STATUS Status;\r | |
690 | EMU_EFI_FILE_PRIVATE *PrivateFile;\r | |
691 | \r | |
692 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r | |
693 | Status = EFI_WARN_DELETE_FAILURE;\r | |
694 | \r | |
695 | if (PrivateFile->IsDirectoryPath) {\r | |
696 | if (PrivateFile->Dir != NULL) {\r | |
697 | closedir (PrivateFile->Dir);\r | |
698 | PrivateFile->Dir = NULL;\r | |
699 | }\r | |
700 | \r | |
701 | if (rmdir (PrivateFile->FileName) == 0) {\r | |
702 | Status = EFI_SUCCESS;\r | |
703 | }\r | |
704 | } else {\r | |
705 | close (PrivateFile->fd);\r | |
706 | PrivateFile->fd = -1;\r | |
707 | \r | |
708 | if (!PrivateFile->IsOpenedByRead) {\r | |
709 | if (!unlink (PrivateFile->FileName)) {\r | |
710 | Status = EFI_SUCCESS;\r | |
711 | }\r | |
712 | }\r | |
713 | }\r | |
714 | \r | |
715 | free (PrivateFile->FileName);\r | |
716 | free (PrivateFile);\r | |
717 | \r | |
718 | return Status;\r | |
719 | }\r | |
720 | \r | |
721 | \r | |
722 | /**\r | |
723 | Read data from the file.\r | |
724 | \r | |
725 | @param This Protocol instance pointer.\r | |
726 | @param BufferSize On input size of buffer, on output amount of data in buffer.\r | |
727 | @param Buffer The buffer in which data is read.\r | |
728 | \r | |
729 | @retval EFI_SUCCESS Data was read.\r | |
730 | @retval EFI_NO_MEDIA The device has no media.\r | |
731 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
732 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r | |
733 | @retval EFI_BUFFER_TO_SMALL BufferSize is too small. BufferSize contains required size.\r | |
734 | \r | |
735 | **/\r | |
736 | EFI_STATUS\r | |
737 | PosixFileRead (\r | |
738 | IN EFI_FILE_PROTOCOL *This,\r | |
739 | IN OUT UINTN *BufferSize,\r | |
740 | OUT VOID *Buffer\r | |
741 | )\r | |
742 | {\r | |
743 | EMU_EFI_FILE_PRIVATE *PrivateFile;\r | |
744 | EFI_STATUS Status;\r | |
745 | int Res;\r | |
746 | UINTN Size;\r | |
747 | UINTN NameSize;\r | |
748 | UINTN ResultSize;\r | |
749 | CHAR8 *FullFileName;\r | |
750 | \r | |
751 | \r | |
752 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r | |
753 | \r | |
754 | if (!PrivateFile->IsDirectoryPath) {\r | |
755 | if (PrivateFile->fd < 0) {\r | |
756 | Status = EFI_DEVICE_ERROR;\r | |
757 | goto Done;\r | |
758 | }\r | |
759 | \r | |
760 | Res = read (PrivateFile->fd, Buffer, *BufferSize);\r | |
761 | if (Res < 0) {\r | |
762 | Status = EFI_DEVICE_ERROR;\r | |
763 | goto Done;\r | |
764 | }\r | |
765 | *BufferSize = Res;\r | |
766 | Status = EFI_SUCCESS;\r | |
767 | goto Done;\r | |
768 | }\r | |
769 | \r | |
770 | //\r | |
771 | // Read on a directory.\r | |
772 | //\r | |
773 | if (PrivateFile->Dir == NULL) {\r | |
774 | Status = EFI_DEVICE_ERROR;\r | |
775 | goto Done;\r | |
776 | }\r | |
777 | \r | |
778 | if (PrivateFile->Dirent == NULL) {\r | |
779 | PrivateFile->Dirent = readdir (PrivateFile->Dir);\r | |
780 | if (PrivateFile->Dirent == NULL) {\r | |
781 | *BufferSize = 0;\r | |
782 | Status = EFI_SUCCESS;\r | |
783 | goto Done;\r | |
784 | }\r | |
785 | }\r | |
786 | \r | |
787 | Size = SIZE_OF_EFI_FILE_INFO;\r | |
788 | NameSize = AsciiStrLen (PrivateFile->Dirent->d_name) + 1;\r | |
789 | ResultSize = Size + 2 * NameSize;\r | |
790 | \r | |
791 | if (*BufferSize < ResultSize) {\r | |
792 | *BufferSize = ResultSize;\r | |
793 | Status = EFI_BUFFER_TOO_SMALL;\r | |
794 | goto Done;\r | |
795 | }\r | |
796 | Status = EFI_SUCCESS;\r | |
797 | \r | |
798 | *BufferSize = ResultSize;\r | |
799 | \r | |
800 | FullFileName = malloc (AsciiStrLen(PrivateFile->FileName) + 1 + NameSize);\r | |
801 | if (FullFileName == NULL) {\r | |
802 | Status = EFI_OUT_OF_RESOURCES;\r | |
803 | goto Done;\r | |
804 | }\r | |
805 | \r | |
806 | AsciiStrCpy (FullFileName, PrivateFile->FileName);\r | |
807 | AsciiStrCat (FullFileName, "/");\r | |
808 | AsciiStrCat (FullFileName, PrivateFile->Dirent->d_name);\r | |
809 | Status = UnixSimpleFileSystemFileInfo (\r | |
810 | PrivateFile,\r | |
811 | FullFileName,\r | |
812 | BufferSize,\r | |
813 | Buffer\r | |
814 | );\r | |
815 | free (FullFileName);\r | |
816 | \r | |
817 | PrivateFile->Dirent = NULL;\r | |
818 | \r | |
819 | Done:\r | |
820 | return Status;\r | |
821 | }\r | |
822 | \r | |
823 | \r | |
824 | \r | |
825 | /**\r | |
826 | Write data to a file.\r | |
827 | \r | |
828 | @param This Protocol instance pointer.\r | |
829 | @param BufferSize On input size of buffer, on output amount of data in buffer.\r | |
830 | @param Buffer The buffer in which data to write.\r | |
831 | \r | |
832 | @retval EFI_SUCCESS Data was written.\r | |
833 | @retval EFI_UNSUPPORTED Writes to Open directory are not supported.\r | |
834 | @retval EFI_NO_MEDIA The device has no media.\r | |
835 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
836 | @retval EFI_DEVICE_ERROR An attempt was made to write to a deleted file.\r | |
837 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r | |
838 | @retval EFI_WRITE_PROTECTED The device is write protected.\r | |
839 | @retval EFI_ACCESS_DENIED The file was open for read only.\r | |
840 | @retval EFI_VOLUME_FULL The volume is full.\r | |
841 | \r | |
842 | **/\r | |
843 | EFI_STATUS\r | |
844 | PosixFileWrite (\r | |
845 | IN EFI_FILE_PROTOCOL *This,\r | |
846 | IN OUT UINTN *BufferSize,\r | |
847 | IN VOID *Buffer\r | |
848 | )\r | |
849 | {\r | |
850 | EMU_EFI_FILE_PRIVATE *PrivateFile;\r | |
851 | int Res;\r | |
852 | \r | |
853 | \r | |
854 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r | |
855 | \r | |
856 | if (PrivateFile->fd < 0) {\r | |
857 | return EFI_DEVICE_ERROR;\r | |
858 | }\r | |
859 | \r | |
860 | if (PrivateFile->IsDirectoryPath) {\r | |
861 | return EFI_UNSUPPORTED;\r | |
862 | }\r | |
863 | \r | |
864 | if (PrivateFile->IsOpenedByRead) {\r | |
865 | return EFI_ACCESS_DENIED;\r | |
866 | }\r | |
867 | \r | |
868 | Res = write (PrivateFile->fd, Buffer, *BufferSize);\r | |
869 | if (Res == (UINTN)-1) {\r | |
870 | return ErrnoToEfiStatus ();\r | |
871 | }\r | |
872 | \r | |
873 | *BufferSize = Res;\r | |
874 | return EFI_SUCCESS;\r | |
875 | }\r | |
876 | \r | |
877 | \r | |
878 | \r | |
879 | /**\r | |
880 | Set a files current position\r | |
881 | \r | |
882 | @param This Protocol instance pointer.\r | |
883 | @param Position Byte position from the start of the file.\r | |
884 | \r | |
885 | @retval EFI_SUCCESS Data was written.\r | |
886 | @retval EFI_UNSUPPORTED Seek request for non-zero is not valid on open.\r | |
887 | \r | |
888 | **/\r | |
889 | EFI_STATUS\r | |
890 | PosixFileSetPossition (\r | |
891 | IN EFI_FILE_PROTOCOL *This,\r | |
892 | IN UINT64 Position\r | |
893 | )\r | |
894 | {\r | |
895 | EMU_EFI_FILE_PRIVATE *PrivateFile;\r | |
896 | off_t Pos;\r | |
897 | \r | |
898 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r | |
899 | \r | |
900 | if (PrivateFile->IsDirectoryPath) {\r | |
901 | if (Position != 0) {\r | |
902 | return EFI_UNSUPPORTED;\r | |
903 | }\r | |
904 | \r | |
905 | if (PrivateFile->Dir == NULL) {\r | |
906 | return EFI_DEVICE_ERROR;\r | |
907 | }\r | |
908 | rewinddir (PrivateFile->Dir);\r | |
909 | return EFI_SUCCESS;\r | |
910 | } else {\r | |
911 | if (Position == (UINT64) -1) {\r | |
912 | Pos = lseek (PrivateFile->fd, 0, SEEK_END);\r | |
913 | } else {\r | |
914 | Pos = lseek (PrivateFile->fd, Position, SEEK_SET);\r | |
915 | }\r | |
916 | if (Pos == (off_t)-1) {\r | |
917 | return ErrnoToEfiStatus ();\r | |
918 | }\r | |
919 | return EFI_SUCCESS;\r | |
920 | }\r | |
921 | }\r | |
922 | \r | |
923 | \r | |
924 | \r | |
925 | /**\r | |
926 | Get a file's current position\r | |
927 | \r | |
928 | @param This Protocol instance pointer.\r | |
929 | @param Position Byte position from the start of the file.\r | |
930 | \r | |
931 | @retval EFI_SUCCESS Data was written.\r | |
932 | @retval EFI_UNSUPPORTED Seek request for non-zero is not valid on open..\r | |
933 | \r | |
934 | **/\r | |
935 | EFI_STATUS\r | |
936 | PosixFileGetPossition (\r | |
937 | IN EFI_FILE_PROTOCOL *This,\r | |
938 | OUT UINT64 *Position\r | |
939 | )\r | |
940 | {\r | |
941 | EFI_STATUS Status;\r | |
942 | EMU_EFI_FILE_PRIVATE *PrivateFile;\r | |
943 | \r | |
944 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r | |
945 | \r | |
946 | if (PrivateFile->IsDirectoryPath) {\r | |
947 | Status = EFI_UNSUPPORTED;\r | |
948 | } else {\r | |
949 | *Position = (UINT64)lseek (PrivateFile->fd, 0, SEEK_CUR);\r | |
950 | Status = (*Position == (UINT64) -1) ? ErrnoToEfiStatus () : EFI_SUCCESS;\r | |
951 | }\r | |
952 | \r | |
953 | return Status;\r | |
954 | }\r | |
955 | \r | |
956 | \r | |
957 | /**\r | |
958 | Get information about a file.\r | |
959 | \r | |
960 | @param This Protocol instance pointer.\r | |
961 | @param InformationType Type of information to return in Buffer.\r | |
962 | @param BufferSize On input size of buffer, on output amount of data in buffer.\r | |
963 | @param Buffer The buffer to return data.\r | |
964 | \r | |
965 | @retval EFI_SUCCESS Data was returned.\r | |
966 | @retval EFI_UNSUPPORTED InformationType is not supported.\r | |
967 | @retval EFI_NO_MEDIA The device has no media.\r | |
968 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
969 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r | |
970 | @retval EFI_WRITE_PROTECTED The device is write protected.\r | |
971 | @retval EFI_ACCESS_DENIED The file was open for read only.\r | |
972 | @retval EFI_BUFFER_TOO_SMALL Buffer was too small; required size returned in BufferSize.\r | |
973 | \r | |
974 | **/\r | |
975 | EFI_STATUS\r | |
976 | PosixFileGetInfo (\r | |
977 | IN EFI_FILE_PROTOCOL *This,\r | |
978 | IN EFI_GUID *InformationType,\r | |
979 | IN OUT UINTN *BufferSize,\r | |
980 | OUT VOID *Buffer\r | |
981 | )\r | |
982 | {\r | |
983 | EFI_STATUS Status;\r | |
984 | EMU_EFI_FILE_PRIVATE *PrivateFile;\r | |
985 | EFI_FILE_SYSTEM_INFO *FileSystemInfoBuffer;\r | |
986 | int UnixStatus;\r | |
987 | EMU_SIMPLE_FILE_SYSTEM_PRIVATE *PrivateRoot;\r | |
988 | struct statfs buf;\r | |
989 | \r | |
990 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r | |
991 | PrivateRoot = EMU_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile->SimpleFileSystem);\r | |
992 | \r | |
993 | Status = EFI_SUCCESS;\r | |
994 | if (CompareGuid (InformationType, &gEfiFileInfoGuid)) {\r | |
995 | Status = UnixSimpleFileSystemFileInfo (PrivateFile, NULL, BufferSize, Buffer);\r | |
996 | } else if (CompareGuid (InformationType, &gEfiFileSystemInfoGuid)) {\r | |
997 | if (*BufferSize < SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel)) {\r | |
998 | *BufferSize = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel);\r | |
999 | return EFI_BUFFER_TOO_SMALL;\r | |
1000 | }\r | |
1001 | \r | |
1002 | UnixStatus = statfs (PrivateFile->FileName, &buf);\r | |
1003 | if (UnixStatus < 0) {\r | |
1004 | return EFI_DEVICE_ERROR;\r | |
1005 | }\r | |
1006 | \r | |
1007 | FileSystemInfoBuffer = (EFI_FILE_SYSTEM_INFO *) Buffer;\r | |
1008 | FileSystemInfoBuffer->Size = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel);\r | |
1009 | FileSystemInfoBuffer->ReadOnly = FALSE;\r | |
1010 | \r | |
1011 | //\r | |
1012 | // Succeeded\r | |
1013 | //\r | |
1014 | FileSystemInfoBuffer->VolumeSize = MultU64x32 (buf.f_blocks, buf.f_bsize);\r | |
1015 | FileSystemInfoBuffer->FreeSpace = MultU64x32 (buf.f_bavail, buf.f_bsize);\r | |
1016 | FileSystemInfoBuffer->BlockSize = buf.f_bsize;\r | |
1017 | \r | |
1018 | \r | |
1019 | StrCpy ((CHAR16 *) FileSystemInfoBuffer->VolumeLabel, PrivateRoot->VolumeLabel);\r | |
1020 | *BufferSize = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel);\r | |
1021 | \r | |
1022 | } else if (CompareGuid (InformationType, &gEfiFileSystemVolumeLabelInfoIdGuid)) {\r | |
1023 | if (*BufferSize < StrSize (PrivateRoot->VolumeLabel)) {\r | |
1024 | *BufferSize = StrSize (PrivateRoot->VolumeLabel);\r | |
1025 | return EFI_BUFFER_TOO_SMALL;\r | |
1026 | }\r | |
1027 | \r | |
1028 | StrCpy ((CHAR16 *) Buffer, PrivateRoot->VolumeLabel);\r | |
1029 | *BufferSize = StrSize (PrivateRoot->VolumeLabel);\r | |
1030 | \r | |
1031 | }\r | |
1032 | \r | |
1033 | return Status;\r | |
1034 | }\r | |
1035 | \r | |
1036 | \r | |
1037 | /**\r | |
1038 | Set information about a file\r | |
1039 | \r | |
1040 | @param File Protocol instance pointer.\r | |
1041 | @param InformationType Type of information in Buffer.\r | |
1042 | @param BufferSize Size of buffer.\r | |
1043 | @param Buffer The data to write.\r | |
1044 | \r | |
1045 | @retval EFI_SUCCESS Data was returned.\r | |
1046 | @retval EFI_UNSUPPORTED InformationType is not supported.\r | |
1047 | @retval EFI_NO_MEDIA The device has no media.\r | |
1048 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
1049 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r | |
1050 | @retval EFI_WRITE_PROTECTED The device is write protected.\r | |
1051 | @retval EFI_ACCESS_DENIED The file was open for read only.\r | |
1052 | \r | |
1053 | **/\r | |
1054 | EFI_STATUS\r | |
1055 | PosixFileSetInfo (\r | |
1056 | IN EFI_FILE_PROTOCOL *This,\r | |
1057 | IN EFI_GUID *InformationType,\r | |
1058 | IN UINTN BufferSize,\r | |
1059 | IN VOID *Buffer\r | |
1060 | )\r | |
1061 | {\r | |
1062 | EMU_SIMPLE_FILE_SYSTEM_PRIVATE *PrivateRoot;\r | |
1063 | EMU_EFI_FILE_PRIVATE *PrivateFile;\r | |
1064 | EFI_FILE_INFO *OldFileInfo;\r | |
1065 | EFI_FILE_INFO *NewFileInfo;\r | |
1066 | EFI_STATUS Status;\r | |
1067 | UINTN OldInfoSize;\r | |
1068 | mode_t NewAttr;\r | |
1069 | struct stat OldAttr;\r | |
1070 | CHAR8 *OldFileName;\r | |
1071 | CHAR8 *NewFileName;\r | |
1072 | CHAR8 *CharPointer;\r | |
1073 | BOOLEAN AttrChangeFlag;\r | |
1074 | BOOLEAN NameChangeFlag;\r | |
1075 | BOOLEAN SizeChangeFlag;\r | |
1076 | BOOLEAN TimeChangeFlag;\r | |
1077 | struct tm NewLastAccessSystemTime;\r | |
1078 | struct tm NewLastWriteSystemTime;\r | |
1079 | EFI_FILE_SYSTEM_INFO *NewFileSystemInfo;\r | |
1080 | CHAR8 *AsciiFilePtr;\r | |
1081 | CHAR16 *UnicodeFilePtr;\r | |
1082 | int UnixStatus;\r | |
1083 | struct utimbuf Utime;\r | |
1084 | \r | |
1085 | \r | |
1086 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r | |
1087 | PrivateRoot = EMU_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile->SimpleFileSystem);\r | |
1088 | errno = 0;\r | |
1089 | Status = EFI_UNSUPPORTED;\r | |
1090 | OldFileInfo = NewFileInfo = NULL;\r | |
1091 | OldFileName = NewFileName = NULL;\r | |
1092 | AttrChangeFlag = NameChangeFlag = SizeChangeFlag = TimeChangeFlag = FALSE;\r | |
1093 | \r | |
1094 | //\r | |
1095 | // Set file system information.\r | |
1096 | //\r | |
1097 | if (CompareGuid (InformationType, &gEfiFileSystemInfoGuid)) {\r | |
1098 | if (BufferSize < (SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel))) {\r | |
1099 | Status = EFI_BAD_BUFFER_SIZE;\r | |
1100 | goto Done;\r | |
1101 | }\r | |
1102 | \r | |
1103 | NewFileSystemInfo = (EFI_FILE_SYSTEM_INFO *) Buffer;\r | |
1104 | \r | |
1105 | free (PrivateRoot->VolumeLabel);\r | |
1106 | \r | |
1107 | PrivateRoot->VolumeLabel = malloc (StrSize (NewFileSystemInfo->VolumeLabel));\r | |
1108 | if (PrivateRoot->VolumeLabel == NULL) {\r | |
1109 | goto Done;\r | |
1110 | }\r | |
1111 | \r | |
1112 | StrCpy (PrivateRoot->VolumeLabel, NewFileSystemInfo->VolumeLabel);\r | |
1113 | \r | |
1114 | Status = EFI_SUCCESS;\r | |
1115 | goto Done;\r | |
1116 | }\r | |
1117 | \r | |
1118 | //\r | |
1119 | // Set volume label information.\r | |
1120 | //\r | |
1121 | if (CompareGuid (InformationType, &gEfiFileSystemVolumeLabelInfoIdGuid)) {\r | |
1122 | if (BufferSize < StrSize (PrivateRoot->VolumeLabel)) {\r | |
1123 | Status = EFI_BAD_BUFFER_SIZE;\r | |
1124 | goto Done;\r | |
1125 | }\r | |
1126 | \r | |
1127 | StrCpy (PrivateRoot->VolumeLabel, (CHAR16 *) Buffer);\r | |
1128 | \r | |
1129 | Status = EFI_SUCCESS;\r | |
1130 | goto Done;\r | |
1131 | }\r | |
1132 | \r | |
1133 | if (!CompareGuid (InformationType, &gEfiFileInfoGuid)) {\r | |
1134 | Status = EFI_UNSUPPORTED;\r | |
1135 | goto Done;\r | |
1136 | }\r | |
1137 | \r | |
1138 | if (BufferSize < SIZE_OF_EFI_FILE_INFO) {\r | |
1139 | Status = EFI_BAD_BUFFER_SIZE;\r | |
1140 | goto Done;\r | |
1141 | }\r | |
1142 | \r | |
1143 | //\r | |
1144 | // Set file/directory information.\r | |
1145 | //\r | |
1146 | \r | |
1147 | //\r | |
1148 | // Check for invalid set file information parameters.\r | |
1149 | //\r | |
1150 | NewFileInfo = (EFI_FILE_INFO *) Buffer;\r | |
1151 | if (NewFileInfo->Size <= sizeof (EFI_FILE_INFO) ||\r | |
1152 | (NewFileInfo->Attribute &~(EFI_FILE_VALID_ATTR)) ||\r | |
1153 | (sizeof (UINTN) == 4 && NewFileInfo->Size > 0xFFFFFFFF)\r | |
1154 | ) {\r | |
1155 | Status = EFI_INVALID_PARAMETER;\r | |
1156 | goto Done;\r | |
1157 | }\r | |
1158 | \r | |
1159 | //\r | |
1160 | // Get current file information so we can determine what kind\r | |
1161 | // of change request this is.\r | |
1162 | //\r | |
1163 | OldInfoSize = 0;\r | |
1164 | Status = UnixSimpleFileSystemFileInfo (PrivateFile, NULL, &OldInfoSize, NULL);\r | |
1165 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
1166 | Status = EFI_DEVICE_ERROR;\r | |
1167 | goto Done;\r | |
1168 | }\r | |
1169 | \r | |
1170 | OldFileInfo = malloc (OldInfoSize);\r | |
1171 | if (OldFileInfo == NULL) {\r | |
1172 | goto Done;\r | |
1173 | }\r | |
1174 | \r | |
1175 | Status = UnixSimpleFileSystemFileInfo (PrivateFile, NULL, &OldInfoSize, OldFileInfo);\r | |
1176 | if (EFI_ERROR (Status)) {\r | |
1177 | goto Done;\r | |
1178 | }\r | |
1179 | \r | |
1180 | OldFileName = malloc (AsciiStrSize (PrivateFile->FileName));\r | |
1181 | if (OldFileInfo == NULL) {\r | |
1182 | goto Done;\r | |
1183 | }\r | |
1184 | \r | |
1185 | AsciiStrCpy (OldFileName, PrivateFile->FileName);\r | |
1186 | \r | |
1187 | //\r | |
1188 | // Make full pathname from new filename and rootpath.\r | |
1189 | //\r | |
1190 | if (NewFileInfo->FileName[0] == '\\') {\r | |
1191 | NewFileName = malloc (AsciiStrLen (PrivateRoot->FilePath) + 1 + StrLen (NewFileInfo->FileName) + 1);\r | |
1192 | if (NewFileName == NULL) {\r | |
1193 | goto Done;\r | |
1194 | }\r | |
1195 | \r | |
1196 | AsciiStrCpy (NewFileName, PrivateRoot->FilePath);\r | |
1197 | AsciiFilePtr = NewFileName + AsciiStrLen(NewFileName);\r | |
1198 | UnicodeFilePtr = NewFileInfo->FileName + 1;\r | |
1199 | *AsciiFilePtr++ ='/';\r | |
1200 | } else {\r | |
1201 | NewFileName = malloc (AsciiStrLen (PrivateFile->FileName) + 2 + StrLen (NewFileInfo->FileName) + 1);\r | |
1202 | if (NewFileName == NULL) {\r | |
1203 | goto Done;\r | |
1204 | }\r | |
1205 | \r | |
1206 | AsciiStrCpy (NewFileName, PrivateRoot->FilePath);\r | |
1207 | AsciiFilePtr = NewFileName + AsciiStrLen(NewFileName);\r | |
1208 | if ((AsciiFilePtr[-1] != '/') && (NewFileInfo->FileName[0] != '/')) {\r | |
1209 | // make sure there is a / between Root FilePath and NewFileInfo Filename\r | |
1210 | AsciiFilePtr[0] = '/';\r | |
1211 | AsciiFilePtr[1] = '\0';\r | |
1212 | AsciiFilePtr++;\r | |
1213 | }\r | |
1214 | UnicodeFilePtr = NewFileInfo->FileName;\r | |
1215 | }\r | |
1216 | // Convert to ascii.\r | |
1217 | while (*UnicodeFilePtr) {\r | |
1218 | *AsciiFilePtr++ = *UnicodeFilePtr++;\r | |
1219 | }\r | |
1220 | *AsciiFilePtr = 0;\r | |
1221 | \r | |
1222 | //\r | |
1223 | // Is there an attribute change request?\r | |
1224 | //\r | |
1225 | if (NewFileInfo->Attribute != OldFileInfo->Attribute) {\r | |
1226 | if ((NewFileInfo->Attribute & EFI_FILE_DIRECTORY) != (OldFileInfo->Attribute & EFI_FILE_DIRECTORY)) {\r | |
1227 | Status = EFI_INVALID_PARAMETER;\r | |
1228 | goto Done;\r | |
1229 | }\r | |
1230 | \r | |
1231 | AttrChangeFlag = TRUE;\r | |
1232 | }\r | |
1233 | \r | |
1234 | //\r | |
1235 | // Is there a name change request?\r | |
1236 | // bugbug: - Should really use EFI_UNICODE_COLLATION_PROTOCOL\r | |
1237 | //\r | |
1238 | if (StrCmp (NewFileInfo->FileName, OldFileInfo->FileName)) {\r | |
1239 | NameChangeFlag = TRUE;\r | |
1240 | }\r | |
1241 | \r | |
1242 | //\r | |
1243 | // Is there a size change request?\r | |
1244 | //\r | |
1245 | if (NewFileInfo->FileSize != OldFileInfo->FileSize) {\r | |
1246 | SizeChangeFlag = TRUE;\r | |
1247 | }\r | |
1248 | \r | |
1249 | //\r | |
1250 | // Is there a time stamp change request?\r | |
1251 | //\r | |
1252 | if (!IsZero (&NewFileInfo->CreateTime, sizeof (EFI_TIME)) &&\r | |
1253 | CompareMem (&NewFileInfo->CreateTime, &OldFileInfo->CreateTime, sizeof (EFI_TIME))\r | |
1254 | ) {\r | |
1255 | TimeChangeFlag = TRUE;\r | |
1256 | } else if (!IsZero (&NewFileInfo->LastAccessTime, sizeof (EFI_TIME)) &&\r | |
1257 | CompareMem (&NewFileInfo->LastAccessTime, &OldFileInfo->LastAccessTime, sizeof (EFI_TIME))\r | |
1258 | ) {\r | |
1259 | TimeChangeFlag = TRUE;\r | |
1260 | } else if (!IsZero (&NewFileInfo->ModificationTime, sizeof (EFI_TIME)) &&\r | |
1261 | CompareMem (&NewFileInfo->ModificationTime, &OldFileInfo->ModificationTime, sizeof (EFI_TIME))\r | |
1262 | ) {\r | |
1263 | TimeChangeFlag = TRUE;\r | |
1264 | }\r | |
1265 | \r | |
1266 | //\r | |
1267 | // All done if there are no change requests being made.\r | |
1268 | //\r | |
1269 | if (!(AttrChangeFlag || NameChangeFlag || SizeChangeFlag || TimeChangeFlag)) {\r | |
1270 | Status = EFI_SUCCESS;\r | |
1271 | goto Done;\r | |
1272 | }\r | |
1273 | \r | |
1274 | //\r | |
1275 | // Set file or directory information.\r | |
1276 | //\r | |
1277 | if (stat (OldFileName, &OldAttr) != 0) {\r | |
1278 | Status = ErrnoToEfiStatus ();\r | |
1279 | goto Done;\r | |
1280 | }\r | |
1281 | \r | |
1282 | //\r | |
1283 | // Name change.\r | |
1284 | //\r | |
1285 | if (NameChangeFlag) {\r | |
1286 | //\r | |
1287 | // Close the handles first\r | |
1288 | //\r | |
1289 | if (PrivateFile->IsOpenedByRead) {\r | |
1290 | Status = EFI_ACCESS_DENIED;\r | |
1291 | goto Done;\r | |
1292 | }\r | |
1293 | \r | |
1294 | for (CharPointer = NewFileName; *CharPointer != 0 && *CharPointer != L'/'; CharPointer++) {\r | |
1295 | }\r | |
1296 | \r | |
1297 | if (*CharPointer != 0) {\r | |
1298 | Status = EFI_ACCESS_DENIED;\r | |
1299 | goto Done;\r | |
1300 | }\r | |
1301 | \r | |
1302 | UnixStatus = rename (OldFileName, NewFileName);\r | |
1303 | if (UnixStatus == 0) {\r | |
1304 | //\r | |
1305 | // modify file name\r | |
1306 | //\r | |
1307 | free (PrivateFile->FileName);\r | |
1308 | \r | |
1309 | PrivateFile->FileName = malloc (AsciiStrSize (NewFileName));\r | |
1310 | if (PrivateFile->FileName == NULL) {\r | |
1311 | goto Done;\r | |
1312 | }\r | |
1313 | \r | |
1314 | AsciiStrCpy (PrivateFile->FileName, NewFileName);\r | |
1315 | } else {\r | |
1316 | Status = EFI_DEVICE_ERROR;\r | |
1317 | goto Done;\r | |
1318 | }\r | |
1319 | }\r | |
1320 | \r | |
1321 | //\r | |
1322 | // Size change\r | |
1323 | //\r | |
1324 | if (SizeChangeFlag) {\r | |
1325 | if (PrivateFile->IsDirectoryPath) {\r | |
1326 | Status = EFI_UNSUPPORTED;\r | |
1327 | goto Done;\r | |
1328 | }\r | |
1329 | \r | |
1330 | if (PrivateFile->IsOpenedByRead || OldFileInfo->Attribute & EFI_FILE_READ_ONLY) {\r | |
1331 | Status = EFI_ACCESS_DENIED;\r | |
1332 | goto Done;\r | |
1333 | }\r | |
1334 | \r | |
1335 | if (ftruncate (PrivateFile->fd, NewFileInfo->FileSize) != 0) {\r | |
1336 | Status = ErrnoToEfiStatus ();\r | |
1337 | goto Done;\r | |
1338 | }\r | |
1339 | \r | |
1340 | }\r | |
1341 | \r | |
1342 | //\r | |
1343 | // Time change\r | |
1344 | //\r | |
1345 | if (TimeChangeFlag) {\r | |
1346 | NewLastAccessSystemTime.tm_year = NewFileInfo->LastAccessTime.Year;\r | |
1347 | NewLastAccessSystemTime.tm_mon = NewFileInfo->LastAccessTime.Month;\r | |
1348 | NewLastAccessSystemTime.tm_mday = NewFileInfo->LastAccessTime.Day;\r | |
1349 | NewLastAccessSystemTime.tm_hour = NewFileInfo->LastAccessTime.Hour;\r | |
1350 | NewLastAccessSystemTime.tm_min = NewFileInfo->LastAccessTime.Minute;\r | |
1351 | NewLastAccessSystemTime.tm_sec = NewFileInfo->LastAccessTime.Second;\r | |
1352 | NewLastAccessSystemTime.tm_isdst = 0;\r | |
1353 | \r | |
1354 | Utime.actime = mktime (&NewLastAccessSystemTime);\r | |
1355 | \r | |
1356 | NewLastWriteSystemTime.tm_year = NewFileInfo->ModificationTime.Year;\r | |
1357 | NewLastWriteSystemTime.tm_mon = NewFileInfo->ModificationTime.Month;\r | |
1358 | NewLastWriteSystemTime.tm_mday = NewFileInfo->ModificationTime.Day;\r | |
1359 | NewLastWriteSystemTime.tm_hour = NewFileInfo->ModificationTime.Hour;\r | |
1360 | NewLastWriteSystemTime.tm_min = NewFileInfo->ModificationTime.Minute;\r | |
1361 | NewLastWriteSystemTime.tm_sec = NewFileInfo->ModificationTime.Second;\r | |
1362 | NewLastWriteSystemTime.tm_isdst = 0;\r | |
1363 | \r | |
1364 | Utime.modtime = mktime (&NewLastWriteSystemTime);\r | |
1365 | \r | |
1366 | if (Utime.actime == (time_t)-1 || Utime.modtime == (time_t)-1) {\r | |
1367 | goto Done;\r | |
1368 | }\r | |
1369 | \r | |
1370 | if (utime (PrivateFile->FileName, &Utime) == -1) {\r | |
1371 | Status = ErrnoToEfiStatus ();\r | |
1372 | goto Done;\r | |
1373 | }\r | |
1374 | }\r | |
1375 | \r | |
1376 | //\r | |
1377 | // No matter about AttrChangeFlag, Attribute must be set.\r | |
1378 | // Because operation before may cause attribute change.\r | |
1379 | //\r | |
1380 | NewAttr = OldAttr.st_mode;\r | |
1381 | \r | |
1382 | if (NewFileInfo->Attribute & EFI_FILE_READ_ONLY) {\r | |
1383 | NewAttr &= ~(S_IRUSR | S_IRGRP | S_IROTH);\r | |
1384 | } else {\r | |
1385 | NewAttr |= S_IRUSR;\r | |
1386 | }\r | |
1387 | \r | |
1388 | if (chmod (NewFileName, NewAttr) != 0) {\r | |
1389 | Status = ErrnoToEfiStatus ();\r | |
1390 | }\r | |
1391 | \r | |
1392 | Done:\r | |
1393 | if (OldFileInfo != NULL) {\r | |
1394 | free (OldFileInfo);\r | |
1395 | }\r | |
1396 | \r | |
1397 | if (OldFileName != NULL) {\r | |
1398 | free (OldFileName);\r | |
1399 | }\r | |
1400 | \r | |
1401 | if (NewFileName != NULL) {\r | |
1402 | free (NewFileName);\r | |
1403 | }\r | |
1404 | \r | |
1405 | return Status;\r | |
1406 | }\r | |
1407 | \r | |
1408 | \r | |
1409 | /**\r | |
1410 | Flush data back for the file handle.\r | |
1411 | \r | |
1412 | @param This Protocol instance pointer.\r | |
1413 | \r | |
1414 | @retval EFI_SUCCESS Data was written.\r | |
1415 | @retval EFI_UNSUPPORTED Writes to Open directory are not supported.\r | |
1416 | @retval EFI_NO_MEDIA The device has no media.\r | |
1417 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
1418 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r | |
1419 | @retval EFI_WRITE_PROTECTED The device is write protected.\r | |
1420 | @retval EFI_ACCESS_DENIED The file was open for read only.\r | |
1421 | @retval EFI_VOLUME_FULL The volume is full.\r | |
1422 | \r | |
1423 | **/\r | |
1424 | EFI_STATUS\r | |
1425 | PosixFileFlush (\r | |
1426 | IN EFI_FILE_PROTOCOL *This\r | |
1427 | )\r | |
1428 | {\r | |
1429 | EMU_EFI_FILE_PRIVATE *PrivateFile;\r | |
1430 | \r | |
1431 | \r | |
1432 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r | |
1433 | \r | |
1434 | if (PrivateFile->IsDirectoryPath) {\r | |
1435 | return EFI_UNSUPPORTED;\r | |
1436 | }\r | |
1437 | \r | |
1438 | if (PrivateFile->IsOpenedByRead) {\r | |
1439 | return EFI_ACCESS_DENIED;\r | |
1440 | }\r | |
1441 | \r | |
1442 | if (PrivateFile->fd < 0) {\r | |
1443 | return EFI_DEVICE_ERROR;\r | |
1444 | }\r | |
1445 | \r | |
1446 | if (fsync (PrivateFile->fd) != 0) {\r | |
1447 | return ErrnoToEfiStatus ();\r | |
1448 | }\r | |
1449 | \r | |
1450 | return EFI_SUCCESS;\r | |
1451 | }\r | |
1452 | \r | |
1453 | \r | |
1454 | \r | |
1455 | EFI_STATUS\r | |
1456 | PosixFileSystmeThunkOpen (\r | |
1457 | IN EMU_IO_THUNK_PROTOCOL *This\r | |
1458 | )\r | |
1459 | {\r | |
1460 | EMU_SIMPLE_FILE_SYSTEM_PRIVATE *Private;\r | |
1461 | UINTN i;\r | |
1462 | \r | |
1463 | if (This->Private != NULL) {\r | |
1464 | return EFI_ALREADY_STARTED;\r | |
1465 | }\r | |
1466 | \r | |
1467 | if (!CompareGuid (This->Protocol, &gEfiSimpleFileSystemProtocolGuid)) {\r | |
1468 | return EFI_UNSUPPORTED;\r | |
1469 | }\r | |
1470 | \r | |
1471 | Private = malloc (sizeof (EMU_SIMPLE_FILE_SYSTEM_PRIVATE));\r | |
1472 | if (Private == NULL) {\r | |
1473 | return EFI_OUT_OF_RESOURCES;\r | |
1474 | }\r | |
1475 | \r | |
1476 | Private->FilePath = malloc (StrLen (This->ConfigString) + 1);\r | |
1477 | if (Private->FilePath == NULL) {\r | |
1478 | free (Private);\r | |
1479 | return EFI_OUT_OF_RESOURCES;\r | |
1480 | }\r | |
1481 | \r | |
1482 | // Convert Unicode to Ascii\r | |
1483 | for (i = 0; This->ConfigString[i] != 0; i++) {\r | |
1484 | Private->FilePath[i] = This->ConfigString[i];\r | |
1485 | }\r | |
1486 | Private->FilePath[i] = 0;\r | |
1487 | \r | |
1488 | \r | |
1489 | Private->VolumeLabel = malloc (StrSize (L"EFI_EMULATED"));\r | |
1490 | if (Private->VolumeLabel == NULL) {\r | |
1491 | free (Private->FilePath);\r | |
1492 | free (Private);\r | |
1493 | return EFI_OUT_OF_RESOURCES;\r | |
1494 | }\r | |
1495 | StrCpy (Private->VolumeLabel, L"EFI_EMULATED");\r | |
1496 | \r | |
1497 | Private->Signature = EMU_SIMPLE_FILE_SYSTEM_PRIVATE_SIGNATURE;\r | |
1498 | Private->Thunk = This;\r | |
1499 | CopyMem (&Private->SimpleFileSystem, &gPosixFileSystemProtocol, sizeof (Private->SimpleFileSystem));\r | |
1500 | Private->FileHandlesOpen = FALSE;\r | |
1501 | \r | |
1502 | This->Interface = &Private->SimpleFileSystem;\r | |
1503 | This->Private = Private;\r | |
1504 | return EFI_SUCCESS;\r | |
1505 | }\r | |
1506 | \r | |
1507 | \r | |
1508 | EFI_STATUS\r | |
1509 | PosixFileSystmeThunkClose (\r | |
1510 | IN EMU_IO_THUNK_PROTOCOL *This\r | |
1511 | )\r | |
1512 | {\r | |
1513 | EMU_SIMPLE_FILE_SYSTEM_PRIVATE *Private;\r | |
1514 | \r | |
1515 | if (!CompareGuid (This->Protocol, &gEfiSimpleFileSystemProtocolGuid)) {\r | |
1516 | return EFI_UNSUPPORTED;\r | |
1517 | }\r | |
1518 | \r | |
1519 | Private = This->Private;\r | |
1520 | \r | |
1521 | if (Private->FileHandlesOpen) {\r | |
1522 | //\r | |
1523 | // Close only supported if all the EFI_FILE_HANDLEs have been closed.\r | |
1524 | //\r | |
1525 | return EFI_NOT_READY;\r | |
1526 | }\r | |
1527 | \r | |
1528 | if (This->Private != NULL) {\r | |
1529 | if (Private->VolumeLabel != NULL) {\r | |
1530 | free (Private->VolumeLabel);\r | |
1531 | }\r | |
1532 | free (This->Private);\r | |
1533 | This->Private = NULL;\r | |
1534 | }\r | |
1535 | \r | |
1536 | return EFI_SUCCESS;\r | |
1537 | }\r | |
1538 | \r | |
1539 | \r | |
1540 | EMU_IO_THUNK_PROTOCOL gPosixFileSystemThunkIo = {\r | |
1541 | &gEfiSimpleFileSystemProtocolGuid,\r | |
1542 | NULL,\r | |
1543 | NULL,\r | |
1544 | 0,\r | |
1545 | GasketPosixFileSystmeThunkOpen,\r | |
1546 | GasketPosixFileSystmeThunkClose,\r | |
1547 | NULL\r | |
1548 | };\r | |
1549 | \r | |
1550 | \r |