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949f388f | 1 | /*++ @file |
2 | POSIX Pthreads to emulate APs and implement threads | |
3 | ||
4 | Copyright (c) 2011, Apple Inc. All rights reserved. | |
5 | This program and the accompanying materials | |
6 | are licensed and made available under the terms and conditions of the BSD License | |
7 | which accompanies this distribution. The full text of the license may be found at | |
8 | http://opensource.org/licenses/bsd-license.php | |
9 | ||
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
12 | ||
13 | ||
14 | **/ | |
15 | ||
59ad461d | 16 | #include "Host.h" |
949f388f | 17 | |
18 | ||
19 | #define EMU_SIMPLE_FILE_SYSTEM_PRIVATE_SIGNATURE SIGNATURE_32 ('E', 'P', 'f', 's') | |
20 | ||
21 | typedef struct { | |
22 | UINTN Signature; | |
23 | EMU_IO_THUNK_PROTOCOL *Thunk; | |
24 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL SimpleFileSystem; | |
25 | CHAR8 *FilePath; | |
26 | CHAR16 *VolumeLabel; | |
27 | BOOLEAN FileHandlesOpen; | |
28 | } EMU_SIMPLE_FILE_SYSTEM_PRIVATE; | |
29 | ||
30 | #define EMU_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS(a) \ | |
31 | CR (a, \ | |
32 | EMU_SIMPLE_FILE_SYSTEM_PRIVATE, \ | |
33 | SimpleFileSystem, \ | |
34 | EMU_SIMPLE_FILE_SYSTEM_PRIVATE_SIGNATURE \ | |
35 | ) | |
36 | ||
37 | ||
38 | #define EMU_EFI_FILE_PRIVATE_SIGNATURE SIGNATURE_32 ('E', 'P', 'f', 'i') | |
39 | ||
40 | typedef struct { | |
41 | UINTN Signature; | |
42 | EMU_IO_THUNK_PROTOCOL *Thunk; | |
43 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *SimpleFileSystem; | |
44 | EFI_FILE_PROTOCOL EfiFile; | |
45 | int fd; | |
46 | DIR *Dir; | |
47 | BOOLEAN IsRootDirectory; | |
48 | BOOLEAN IsDirectoryPath; | |
49 | BOOLEAN IsOpenedByRead; | |
50 | char *FileName; | |
51 | struct dirent *Dirent; | |
52 | } EMU_EFI_FILE_PRIVATE; | |
53 | ||
54 | #define EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS(a) \ | |
55 | CR (a, \ | |
56 | EMU_EFI_FILE_PRIVATE, \ | |
57 | EfiFile, \ | |
58 | EMU_EFI_FILE_PRIVATE_SIGNATURE \ | |
59 | ) | |
60 | ||
61 | EFI_STATUS | |
62 | PosixFileGetInfo ( | |
63 | IN EFI_FILE_PROTOCOL *This, | |
64 | IN EFI_GUID *InformationType, | |
65 | IN OUT UINTN *BufferSize, | |
66 | OUT VOID *Buffer | |
67 | ); | |
68 | ||
69 | EFI_STATUS | |
70 | PosixFileSetInfo ( | |
71 | IN EFI_FILE_PROTOCOL *This, | |
72 | IN EFI_GUID *InformationType, | |
73 | IN UINTN BufferSize, | |
74 | IN VOID *Buffer | |
75 | ); | |
76 | ||
77 | ||
78 | EFI_FILE_PROTOCOL gPosixFileProtocol = { | |
79 | EFI_FILE_REVISION, | |
80 | GasketPosixFileOpen, | |
81 | GasketPosixFileCLose, | |
82 | GasketPosixFileDelete, | |
83 | GasketPosixFileRead, | |
84 | GasketPosixFileWrite, | |
85 | GasketPosixFileGetPossition, | |
86 | GasketPosixFileSetPossition, | |
87 | GasketPosixFileGetInfo, | |
88 | GasketPosixFileSetInfo, | |
89 | GasketPosixFileFlush | |
90 | }; | |
91 | ||
92 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL gPosixFileSystemProtocol = { | |
93 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION, | |
94 | GasketPosixOpenVolume, | |
95 | }; | |
96 | ||
97 | ||
98 | /** | |
99 | Open the root directory on a volume. | |
100 | ||
101 | @param This Protocol instance pointer. | |
102 | @param Root Returns an Open file handle for the root directory | |
103 | ||
104 | @retval EFI_SUCCESS The device was opened. | |
105 | @retval EFI_UNSUPPORTED This volume does not support the file system. | |
106 | @retval EFI_NO_MEDIA The device has no media. | |
107 | @retval EFI_DEVICE_ERROR The device reported an error. | |
108 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted. | |
109 | @retval EFI_ACCESS_DENIED The service denied access to the file. | |
110 | @retval EFI_OUT_OF_RESOURCES The volume was not opened due to lack of resources. | |
111 | ||
112 | **/ | |
113 | EFI_STATUS | |
114 | PosixOpenVolume ( | |
115 | IN EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *This, | |
116 | OUT EFI_FILE_PROTOCOL **Root | |
117 | ) | |
118 | { | |
119 | EFI_STATUS Status; | |
120 | EMU_SIMPLE_FILE_SYSTEM_PRIVATE *Private; | |
121 | EMU_EFI_FILE_PRIVATE *PrivateFile; | |
122 | ||
123 | Private = EMU_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (This); | |
124 | ||
125 | Status = EFI_OUT_OF_RESOURCES; | |
126 | PrivateFile = malloc (sizeof (EMU_EFI_FILE_PRIVATE)); | |
127 | if (PrivateFile == NULL) { | |
128 | goto Done; | |
129 | } | |
d18d8a1d | 130 | |
949f388f | 131 | PrivateFile->FileName = malloc (AsciiStrSize (Private->FilePath)); |
132 | if (PrivateFile->FileName == NULL) { | |
133 | goto Done; | |
134 | } | |
135 | AsciiStrCpy (PrivateFile->FileName, Private->FilePath); | |
d18d8a1d | 136 | |
949f388f | 137 | PrivateFile->Signature = EMU_EFI_FILE_PRIVATE_SIGNATURE; |
138 | PrivateFile->Thunk = Private->Thunk; | |
139 | PrivateFile->SimpleFileSystem = This; | |
140 | PrivateFile->IsRootDirectory = TRUE; | |
141 | PrivateFile->IsDirectoryPath = TRUE; | |
142 | PrivateFile->IsOpenedByRead = TRUE; | |
d18d8a1d | 143 | |
949f388f | 144 | CopyMem (&PrivateFile->EfiFile, &gPosixFileProtocol, sizeof (EFI_FILE_PROTOCOL)); |
145 | ||
146 | PrivateFile->fd = -1; | |
147 | PrivateFile->Dir = NULL; | |
148 | PrivateFile->Dirent = NULL; | |
d18d8a1d | 149 | |
949f388f | 150 | *Root = &PrivateFile->EfiFile; |
151 | ||
152 | PrivateFile->Dir = opendir (PrivateFile->FileName); | |
153 | if (PrivateFile->Dir == NULL) { | |
154 | Status = EFI_ACCESS_DENIED; | |
155 | } else { | |
156 | Status = EFI_SUCCESS; | |
157 | } | |
158 | ||
159 | Done: | |
160 | if (EFI_ERROR (Status)) { | |
161 | if (PrivateFile != NULL) { | |
162 | if (PrivateFile->FileName != NULL) { | |
163 | free (PrivateFile->FileName); | |
164 | } | |
165 | ||
166 | free (PrivateFile); | |
167 | } | |
d18d8a1d | 168 | |
949f388f | 169 | *Root = NULL; |
170 | } | |
d18d8a1d | 171 | |
949f388f | 172 | return Status; |
173 | } | |
174 | ||
175 | ||
176 | EFI_STATUS | |
177 | ErrnoToEfiStatus () | |
178 | { | |
179 | switch (errno) { | |
180 | case EACCES: | |
181 | return EFI_ACCESS_DENIED; | |
d18d8a1d | 182 | |
949f388f | 183 | case EDQUOT: |
184 | case ENOSPC: | |
185 | return EFI_VOLUME_FULL; | |
d18d8a1d | 186 | |
949f388f | 187 | default: |
d18d8a1d | 188 | return EFI_DEVICE_ERROR; |
949f388f | 189 | } |
190 | } | |
191 | ||
192 | VOID | |
193 | CutPrefix ( | |
194 | IN CHAR8 *Str, | |
195 | IN UINTN Count | |
196 | ) | |
197 | { | |
198 | CHAR8 *Pointer; | |
199 | ||
200 | if (AsciiStrLen (Str) < Count) { | |
201 | ASSERT (0); | |
202 | } | |
203 | ||
204 | for (Pointer = Str; *(Pointer + Count); Pointer++) { | |
205 | *Pointer = *(Pointer + Count); | |
206 | } | |
207 | ||
208 | *Pointer = *(Pointer + Count); | |
209 | } | |
210 | ||
211 | ||
212 | VOID | |
213 | PosixSystemTimeToEfiTime ( | |
214 | IN time_t SystemTime, | |
215 | OUT EFI_TIME *Time | |
216 | ) | |
217 | { | |
218 | struct tm *tm; | |
219 | ||
220 | tm = gmtime (&SystemTime); | |
221 | Time->Year = tm->tm_year; | |
222 | Time->Month = tm->tm_mon + 1; | |
223 | Time->Day = tm->tm_mday; | |
224 | Time->Hour = tm->tm_hour; | |
225 | Time->Minute = tm->tm_min; | |
226 | Time->Second = tm->tm_sec; | |
227 | Time->Nanosecond = 0; | |
d18d8a1d | 228 | |
949f388f | 229 | Time->TimeZone = timezone; |
230 | Time->Daylight = (daylight ? EFI_TIME_ADJUST_DAYLIGHT : 0) | (tm->tm_isdst > 0 ? EFI_TIME_IN_DAYLIGHT : 0); | |
231 | } | |
232 | ||
233 | ||
234 | EFI_STATUS | |
235 | UnixSimpleFileSystemFileInfo ( | |
236 | EMU_EFI_FILE_PRIVATE *PrivateFile, | |
237 | IN CHAR8 *FileName, | |
238 | IN OUT UINTN *BufferSize, | |
239 | OUT VOID *Buffer | |
240 | ) | |
241 | { | |
242 | EFI_STATUS Status; | |
243 | UINTN Size; | |
244 | UINTN NameSize; | |
245 | UINTN ResultSize; | |
246 | EFI_FILE_INFO *Info; | |
247 | CHAR8 *RealFileName; | |
248 | CHAR8 *TempPointer; | |
249 | CHAR16 *BufferFileName; | |
250 | struct stat buf; | |
251 | ||
252 | if (FileName != NULL) { | |
253 | RealFileName = FileName; | |
c8f62f95 | 254 | } else if (PrivateFile->IsRootDirectory) { |
949f388f | 255 | RealFileName = ""; |
256 | } else { | |
257 | RealFileName = PrivateFile->FileName; | |
258 | } | |
259 | ||
260 | TempPointer = RealFileName; | |
261 | while (*TempPointer) { | |
262 | if (*TempPointer == '/') { | |
263 | RealFileName = TempPointer + 1; | |
264 | } | |
265 | ||
266 | TempPointer++; | |
267 | } | |
268 | ||
269 | Size = SIZE_OF_EFI_FILE_INFO; | |
270 | NameSize = AsciiStrSize (RealFileName) * 2; | |
271 | ResultSize = Size + NameSize; | |
272 | ||
273 | if (*BufferSize < ResultSize) { | |
274 | *BufferSize = ResultSize; | |
275 | return EFI_BUFFER_TOO_SMALL; | |
276 | } | |
277 | if (stat (FileName == NULL ? PrivateFile->FileName : FileName, &buf) < 0) { | |
278 | return EFI_DEVICE_ERROR; | |
279 | } | |
280 | ||
281 | Status = EFI_SUCCESS; | |
282 | ||
283 | Info = Buffer; | |
284 | ZeroMem (Info, ResultSize); | |
285 | ||
286 | Info->Size = ResultSize; | |
287 | Info->FileSize = buf.st_size; | |
288 | Info->PhysicalSize = MultU64x32 (buf.st_blocks, buf.st_blksize); | |
289 | ||
290 | PosixSystemTimeToEfiTime (buf.st_ctime, &Info->CreateTime); | |
291 | PosixSystemTimeToEfiTime (buf.st_atime, &Info->LastAccessTime); | |
292 | PosixSystemTimeToEfiTime (buf.st_mtime, &Info->ModificationTime); | |
293 | ||
294 | if (!(buf.st_mode & S_IWUSR)) { | |
295 | Info->Attribute |= EFI_FILE_READ_ONLY; | |
296 | } | |
297 | ||
298 | if (S_ISDIR(buf.st_mode)) { | |
299 | Info->Attribute |= EFI_FILE_DIRECTORY; | |
300 | } | |
301 | ||
302 | ||
303 | BufferFileName = (CHAR16 *)((CHAR8 *) Buffer + Size); | |
304 | while (*RealFileName) { | |
305 | *BufferFileName++ = *RealFileName++; | |
306 | } | |
307 | *BufferFileName = 0; | |
308 | ||
309 | *BufferSize = ResultSize; | |
310 | return Status; | |
311 | } | |
312 | ||
313 | BOOLEAN | |
314 | IsZero ( | |
315 | IN VOID *Buffer, | |
316 | IN UINTN Length | |
317 | ) | |
318 | { | |
319 | if (Buffer == NULL || Length == 0) { | |
320 | return FALSE; | |
321 | } | |
322 | ||
323 | if (*(UINT8 *) Buffer != 0) { | |
324 | return FALSE; | |
325 | } | |
326 | ||
327 | if (Length > 1) { | |
328 | if (!CompareMem (Buffer, (UINT8 *) Buffer + 1, Length - 1)) { | |
329 | return FALSE; | |
330 | } | |
331 | } | |
332 | ||
333 | return TRUE; | |
334 | } | |
335 | ||
336 | ||
337 | ||
338 | /** | |
339 | Opens a new file relative to the source file's location. | |
340 | ||
341 | @param This The protocol instance pointer. | |
342 | @param NewHandle Returns File Handle for FileName. | |
343 | @param FileName Null terminated string. "\", ".", and ".." are supported. | |
344 | @param OpenMode Open mode for file. | |
345 | @param Attributes Only used for EFI_FILE_MODE_CREATE. | |
346 | ||
347 | @retval EFI_SUCCESS The device was opened. | |
348 | @retval EFI_NOT_FOUND The specified file could not be found on the device. | |
349 | @retval EFI_NO_MEDIA The device has no media. | |
350 | @retval EFI_MEDIA_CHANGED The media has changed. | |
351 | @retval EFI_DEVICE_ERROR The device reported an error. | |
352 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted. | |
353 | @retval EFI_ACCESS_DENIED The service denied access to the file. | |
354 | @retval EFI_OUT_OF_RESOURCES The volume was not opened due to lack of resources. | |
355 | @retval EFI_VOLUME_FULL The volume is full. | |
356 | ||
357 | **/ | |
358 | EFI_STATUS | |
359 | PosixFileOpen ( | |
360 | IN EFI_FILE_PROTOCOL *This, | |
361 | OUT EFI_FILE_PROTOCOL **NewHandle, | |
362 | IN CHAR16 *FileName, | |
363 | IN UINT64 OpenMode, | |
364 | IN UINT64 Attributes | |
365 | ) | |
366 | { | |
367 | EFI_FILE_PROTOCOL *Root; | |
368 | EMU_EFI_FILE_PRIVATE *PrivateFile; | |
369 | EMU_EFI_FILE_PRIVATE *NewPrivateFile; | |
370 | EMU_SIMPLE_FILE_SYSTEM_PRIVATE *PrivateRoot; | |
371 | EFI_STATUS Status; | |
372 | CHAR16 *Src; | |
373 | char *Dst; | |
374 | CHAR8 *RealFileName; | |
375 | char *ParseFileName; | |
376 | char *GuardPointer; | |
377 | CHAR8 TempChar; | |
378 | UINTN Count; | |
379 | BOOLEAN TrailingDash; | |
380 | BOOLEAN LoopFinish; | |
381 | UINTN InfoSize; | |
382 | EFI_FILE_INFO *Info; | |
383 | struct stat finfo; | |
384 | int res; | |
d18d8a1d | 385 | |
949f388f | 386 | |
387 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This); | |
388 | PrivateRoot = EMU_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile->SimpleFileSystem); | |
389 | NewPrivateFile = NULL; | |
390 | Status = EFI_OUT_OF_RESOURCES; | |
391 | ||
392 | // | |
393 | // BUGBUG: assume an open of root | |
394 | // if current location, return current data | |
395 | // | |
d18d8a1d | 396 | if ((StrCmp (FileName, L"\\") == 0) || |
949f388f | 397 | (StrCmp (FileName, L".") == 0 && PrivateFile->IsRootDirectory)) { |
398 | OpenRoot: | |
399 | Status = PosixOpenVolume (PrivateFile->SimpleFileSystem, &Root); | |
400 | NewPrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (Root); | |
401 | goto Done; | |
402 | } | |
403 | ||
404 | TrailingDash = FALSE; | |
405 | if (FileName[StrLen (FileName) - 1] == L'\\') { | |
406 | TrailingDash = TRUE; | |
407 | FileName[StrLen (FileName) - 1] = 0; | |
408 | } | |
409 | ||
410 | // | |
411 | // Attempt to open the file | |
412 | // | |
413 | NewPrivateFile = malloc (sizeof (EMU_EFI_FILE_PRIVATE)); | |
414 | if (NewPrivateFile == NULL) { | |
415 | goto Done; | |
416 | } | |
417 | ||
418 | CopyMem (NewPrivateFile, PrivateFile, sizeof (EMU_EFI_FILE_PRIVATE)); | |
419 | ||
420 | NewPrivateFile->FileName = malloc (AsciiStrSize (PrivateFile->FileName) + 1 + StrLen (FileName) + 1); | |
421 | if (NewPrivateFile->FileName == NULL) { | |
422 | goto Done; | |
423 | } | |
424 | ||
425 | if (*FileName == L'\\') { | |
426 | AsciiStrCpy (NewPrivateFile->FileName, PrivateRoot->FilePath); | |
427 | // Skip first '\'. | |
428 | Src = FileName + 1; | |
429 | } else { | |
430 | AsciiStrCpy (NewPrivateFile->FileName, PrivateFile->FileName); | |
431 | Src = FileName; | |
432 | } | |
433 | Dst = NewPrivateFile->FileName + AsciiStrLen (NewPrivateFile->FileName); | |
434 | GuardPointer = NewPrivateFile->FileName + AsciiStrLen (PrivateRoot->FilePath); | |
435 | *Dst++ = '/'; | |
436 | // Convert unicode to ascii and '\' to '/' | |
437 | while (*Src) { | |
438 | if (*Src == '\\') { | |
439 | *Dst++ = '/'; | |
440 | } else { | |
441 | *Dst++ = *Src; | |
442 | } | |
443 | Src++; | |
444 | } | |
445 | *Dst = 0; | |
d18d8a1d | 446 | |
949f388f | 447 | |
448 | // | |
449 | // Get rid of . and .., except leading . or .. | |
450 | // | |
451 | ||
452 | // | |
453 | // GuardPointer protect simplefilesystem root path not be destroyed | |
454 | // | |
455 | ||
456 | LoopFinish = FALSE; | |
457 | while (!LoopFinish) { | |
458 | LoopFinish = TRUE; | |
459 | ||
460 | for (ParseFileName = GuardPointer; *ParseFileName; ParseFileName++) { | |
461 | if (*ParseFileName == '.' && | |
462 | (*(ParseFileName + 1) == 0 || *(ParseFileName + 1) == '/') && | |
463 | *(ParseFileName - 1) == '/' | |
464 | ) { | |
465 | ||
466 | // | |
467 | // cut /. | |
468 | // | |
469 | CutPrefix (ParseFileName - 1, 2); | |
470 | LoopFinish = FALSE; | |
471 | break; | |
472 | } | |
473 | ||
474 | if (*ParseFileName == '.' && | |
475 | *(ParseFileName + 1) == '.' && | |
476 | (*(ParseFileName + 2) == 0 || *(ParseFileName + 2) == '/') && | |
477 | *(ParseFileName - 1) == '/' | |
478 | ) { | |
479 | ||
480 | ParseFileName--; | |
481 | Count = 3; | |
482 | ||
483 | while (ParseFileName != GuardPointer) { | |
484 | ParseFileName--; | |
485 | Count++; | |
486 | if (*ParseFileName == '/') { | |
487 | break; | |
488 | } | |
489 | } | |
490 | ||
491 | // | |
492 | // cut /.. and its left directory | |
493 | // | |
494 | CutPrefix (ParseFileName, Count); | |
495 | LoopFinish = FALSE; | |
496 | break; | |
497 | } | |
498 | } | |
499 | } | |
500 | ||
501 | if (AsciiStrCmp (NewPrivateFile->FileName, PrivateRoot->FilePath) == 0) { | |
502 | NewPrivateFile->IsRootDirectory = TRUE; | |
503 | free (NewPrivateFile->FileName); | |
504 | free (NewPrivateFile); | |
505 | goto OpenRoot; | |
506 | } | |
507 | ||
508 | RealFileName = NewPrivateFile->FileName + AsciiStrLen(NewPrivateFile->FileName) - 1; | |
509 | while (RealFileName > NewPrivateFile->FileName && *RealFileName != '/') { | |
510 | RealFileName--; | |
511 | } | |
d18d8a1d | 512 | |
949f388f | 513 | TempChar = *(RealFileName - 1); |
514 | *(RealFileName - 1) = 0; | |
515 | *(RealFileName - 1) = TempChar; | |
516 | ||
517 | ||
518 | // | |
519 | // Test whether file or directory | |
520 | // | |
521 | NewPrivateFile->IsRootDirectory = FALSE; | |
522 | NewPrivateFile->fd = -1; | |
523 | NewPrivateFile->Dir = NULL; | |
524 | if (OpenMode & EFI_FILE_MODE_CREATE) { | |
525 | if (Attributes & EFI_FILE_DIRECTORY) { | |
526 | NewPrivateFile->IsDirectoryPath = TRUE; | |
527 | } else { | |
528 | NewPrivateFile->IsDirectoryPath = FALSE; | |
529 | } | |
530 | } else { | |
531 | res = stat (NewPrivateFile->FileName, &finfo); | |
532 | if (res == 0 && S_ISDIR(finfo.st_mode)) { | |
533 | NewPrivateFile->IsDirectoryPath = TRUE; | |
534 | } else { | |
535 | NewPrivateFile->IsDirectoryPath = FALSE; | |
536 | } | |
537 | } | |
538 | ||
539 | if (OpenMode & EFI_FILE_MODE_WRITE) { | |
540 | NewPrivateFile->IsOpenedByRead = FALSE; | |
541 | } else { | |
542 | NewPrivateFile->IsOpenedByRead = TRUE; | |
543 | } | |
544 | ||
545 | Status = EFI_SUCCESS; | |
546 | ||
547 | // | |
548 | // deal with directory | |
549 | // | |
550 | if (NewPrivateFile->IsDirectoryPath) { | |
551 | if ((OpenMode & EFI_FILE_MODE_CREATE)) { | |
552 | // | |
553 | // Create a directory | |
554 | // | |
555 | if (mkdir (NewPrivateFile->FileName, 0777) != 0) { | |
556 | if (errno != EEXIST) { | |
557 | //free (TempFileName); | |
558 | Status = EFI_ACCESS_DENIED; | |
559 | goto Done; | |
560 | } | |
561 | } | |
562 | } | |
563 | ||
564 | NewPrivateFile->Dir = opendir (NewPrivateFile->FileName); | |
565 | if (NewPrivateFile->Dir == NULL) { | |
566 | if (errno == EACCES) { | |
567 | Status = EFI_ACCESS_DENIED; | |
568 | } else { | |
569 | Status = EFI_NOT_FOUND; | |
570 | } | |
571 | ||
572 | goto Done; | |
573 | } | |
574 | ||
575 | } else { | |
576 | // | |
577 | // deal with file | |
578 | // | |
579 | NewPrivateFile->fd = open ( | |
580 | NewPrivateFile->FileName, | |
581 | ((OpenMode & EFI_FILE_MODE_CREATE) ? O_CREAT : 0) | (NewPrivateFile->IsOpenedByRead ? O_RDONLY : O_RDWR), | |
582 | 0666 | |
583 | ); | |
584 | if (NewPrivateFile->fd < 0) { | |
585 | if (errno == ENOENT) { | |
586 | Status = EFI_NOT_FOUND; | |
587 | } else { | |
588 | Status = EFI_ACCESS_DENIED; | |
589 | } | |
590 | } | |
591 | } | |
592 | ||
593 | if ((OpenMode & EFI_FILE_MODE_CREATE) && Status == EFI_SUCCESS) { | |
594 | // | |
595 | // Set the attribute | |
596 | // | |
597 | InfoSize = 0; | |
598 | Info = NULL; | |
599 | Status = PosixFileGetInfo (&NewPrivateFile->EfiFile, &gEfiFileInfoGuid, &InfoSize, Info); | |
600 | if (Status != EFI_BUFFER_TOO_SMALL) { | |
601 | Status = EFI_DEVICE_ERROR; | |
602 | goto Done; | |
603 | } | |
d18d8a1d | 604 | |
949f388f | 605 | Info = malloc (InfoSize); |
606 | if (Info == NULL) { | |
607 | goto Done; | |
608 | } | |
609 | ||
610 | Status = PosixFileGetInfo (&NewPrivateFile->EfiFile, &gEfiFileInfoGuid, &InfoSize, Info); | |
611 | if (EFI_ERROR (Status)) { | |
612 | goto Done; | |
613 | } | |
614 | ||
615 | Info->Attribute = Attributes; | |
616 | PosixFileSetInfo (&NewPrivateFile->EfiFile, &gEfiFileInfoGuid, InfoSize, Info); | |
d18d8a1d | 617 | |
949f388f | 618 | free (Info); |
619 | } | |
620 | ||
621 | Done: ; | |
622 | if (TrailingDash) { | |
623 | FileName[StrLen (FileName) + 1] = 0; | |
624 | FileName[StrLen (FileName)] = L'\\'; | |
625 | } | |
626 | ||
627 | if (EFI_ERROR (Status)) { | |
628 | if (NewPrivateFile) { | |
629 | if (NewPrivateFile->FileName) { | |
630 | free (NewPrivateFile->FileName); | |
631 | } | |
632 | ||
633 | free (NewPrivateFile); | |
634 | } | |
635 | } else { | |
636 | *NewHandle = &NewPrivateFile->EfiFile; | |
637 | } | |
638 | ||
639 | return Status; | |
640 | } | |
641 | ||
642 | ||
643 | ||
644 | /** | |
645 | Close the file handle | |
646 | ||
647 | @param This Protocol instance pointer. | |
648 | ||
649 | @retval EFI_SUCCESS The device was opened. | |
650 | ||
651 | **/ | |
652 | EFI_STATUS | |
653 | PosixFileCLose ( | |
654 | IN EFI_FILE_PROTOCOL *This | |
655 | ) | |
656 | { | |
657 | EMU_EFI_FILE_PRIVATE *PrivateFile; | |
658 | ||
659 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This); | |
660 | ||
661 | if (PrivateFile->fd >= 0) { | |
662 | close (PrivateFile->fd); | |
663 | } | |
664 | if (PrivateFile->Dir != NULL) { | |
665 | closedir (PrivateFile->Dir); | |
666 | } | |
667 | ||
668 | PrivateFile->fd = -1; | |
669 | PrivateFile->Dir = NULL; | |
670 | ||
671 | if (PrivateFile->FileName) { | |
672 | free (PrivateFile->FileName); | |
673 | } | |
674 | ||
675 | free (PrivateFile); | |
676 | ||
677 | return EFI_SUCCESS; | |
678 | } | |
679 | ||
680 | ||
681 | /** | |
682 | Close and delete the file handle. | |
683 | ||
684 | @param This Protocol instance pointer. | |
d18d8a1d | 685 | |
949f388f | 686 | @retval EFI_SUCCESS The device was opened. |
687 | @retval EFI_WARN_DELETE_FAILURE The handle was closed but the file was not deleted. | |
688 | ||
689 | **/ | |
690 | EFI_STATUS | |
691 | PosixFileDelete ( | |
692 | IN EFI_FILE_PROTOCOL *This | |
693 | ) | |
694 | { | |
695 | EFI_STATUS Status; | |
696 | EMU_EFI_FILE_PRIVATE *PrivateFile; | |
d18d8a1d | 697 | |
949f388f | 698 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This); |
699 | Status = EFI_WARN_DELETE_FAILURE; | |
700 | ||
701 | if (PrivateFile->IsDirectoryPath) { | |
702 | if (PrivateFile->Dir != NULL) { | |
703 | closedir (PrivateFile->Dir); | |
704 | PrivateFile->Dir = NULL; | |
705 | } | |
706 | ||
707 | if (rmdir (PrivateFile->FileName) == 0) { | |
708 | Status = EFI_SUCCESS; | |
709 | } | |
710 | } else { | |
711 | close (PrivateFile->fd); | |
712 | PrivateFile->fd = -1; | |
713 | ||
714 | if (!PrivateFile->IsOpenedByRead) { | |
715 | if (!unlink (PrivateFile->FileName)) { | |
716 | Status = EFI_SUCCESS; | |
717 | } | |
718 | } | |
719 | } | |
720 | ||
721 | free (PrivateFile->FileName); | |
722 | free (PrivateFile); | |
723 | ||
724 | return Status; | |
725 | } | |
726 | ||
727 | ||
728 | /** | |
729 | Read data from the file. | |
730 | ||
731 | @param This Protocol instance pointer. | |
732 | @param BufferSize On input size of buffer, on output amount of data in buffer. | |
733 | @param Buffer The buffer in which data is read. | |
734 | ||
735 | @retval EFI_SUCCESS Data was read. | |
736 | @retval EFI_NO_MEDIA The device has no media. | |
737 | @retval EFI_DEVICE_ERROR The device reported an error. | |
738 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted. | |
739 | @retval EFI_BUFFER_TO_SMALL BufferSize is too small. BufferSize contains required size. | |
740 | ||
741 | **/ | |
742 | EFI_STATUS | |
743 | PosixFileRead ( | |
744 | IN EFI_FILE_PROTOCOL *This, | |
745 | IN OUT UINTN *BufferSize, | |
746 | OUT VOID *Buffer | |
747 | ) | |
748 | { | |
749 | EMU_EFI_FILE_PRIVATE *PrivateFile; | |
750 | EFI_STATUS Status; | |
751 | int Res; | |
752 | UINTN Size; | |
753 | UINTN NameSize; | |
754 | UINTN ResultSize; | |
755 | CHAR8 *FullFileName; | |
756 | ||
757 | ||
758 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This); | |
759 | ||
760 | if (!PrivateFile->IsDirectoryPath) { | |
761 | if (PrivateFile->fd < 0) { | |
762 | Status = EFI_DEVICE_ERROR; | |
763 | goto Done; | |
764 | } | |
765 | ||
766 | Res = read (PrivateFile->fd, Buffer, *BufferSize); | |
767 | if (Res < 0) { | |
768 | Status = EFI_DEVICE_ERROR; | |
769 | goto Done; | |
770 | } | |
771 | *BufferSize = Res; | |
772 | Status = EFI_SUCCESS; | |
773 | goto Done; | |
774 | } | |
775 | ||
776 | // | |
777 | // Read on a directory. | |
778 | // | |
779 | if (PrivateFile->Dir == NULL) { | |
780 | Status = EFI_DEVICE_ERROR; | |
781 | goto Done; | |
782 | } | |
783 | ||
784 | if (PrivateFile->Dirent == NULL) { | |
785 | PrivateFile->Dirent = readdir (PrivateFile->Dir); | |
786 | if (PrivateFile->Dirent == NULL) { | |
787 | *BufferSize = 0; | |
788 | Status = EFI_SUCCESS; | |
789 | goto Done; | |
790 | } | |
791 | } | |
792 | ||
793 | Size = SIZE_OF_EFI_FILE_INFO; | |
794 | NameSize = AsciiStrLen (PrivateFile->Dirent->d_name) + 1; | |
795 | ResultSize = Size + 2 * NameSize; | |
796 | ||
797 | if (*BufferSize < ResultSize) { | |
798 | *BufferSize = ResultSize; | |
799 | Status = EFI_BUFFER_TOO_SMALL; | |
800 | goto Done; | |
801 | } | |
802 | Status = EFI_SUCCESS; | |
803 | ||
804 | *BufferSize = ResultSize; | |
805 | ||
806 | FullFileName = malloc (AsciiStrLen(PrivateFile->FileName) + 1 + NameSize); | |
807 | if (FullFileName == NULL) { | |
808 | Status = EFI_OUT_OF_RESOURCES; | |
d18d8a1d | 809 | goto Done; |
949f388f | 810 | } |
d18d8a1d | 811 | |
949f388f | 812 | AsciiStrCpy (FullFileName, PrivateFile->FileName); |
813 | AsciiStrCat (FullFileName, "/"); | |
814 | AsciiStrCat (FullFileName, PrivateFile->Dirent->d_name); | |
815 | Status = UnixSimpleFileSystemFileInfo ( | |
816 | PrivateFile, | |
817 | FullFileName, | |
818 | BufferSize, | |
819 | Buffer | |
820 | ); | |
821 | free (FullFileName); | |
822 | ||
823 | PrivateFile->Dirent = NULL; | |
824 | ||
825 | Done: | |
826 | return Status; | |
827 | } | |
828 | ||
829 | ||
830 | ||
831 | /** | |
832 | Write data to a file. | |
833 | ||
834 | @param This Protocol instance pointer. | |
835 | @param BufferSize On input size of buffer, on output amount of data in buffer. | |
836 | @param Buffer The buffer in which data to write. | |
837 | ||
838 | @retval EFI_SUCCESS Data was written. | |
839 | @retval EFI_UNSUPPORTED Writes to Open directory are not supported. | |
840 | @retval EFI_NO_MEDIA The device has no media. | |
841 | @retval EFI_DEVICE_ERROR The device reported an error. | |
842 | @retval EFI_DEVICE_ERROR An attempt was made to write to a deleted file. | |
843 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted. | |
844 | @retval EFI_WRITE_PROTECTED The device is write protected. | |
845 | @retval EFI_ACCESS_DENIED The file was open for read only. | |
846 | @retval EFI_VOLUME_FULL The volume is full. | |
847 | ||
848 | **/ | |
849 | EFI_STATUS | |
850 | PosixFileWrite ( | |
851 | IN EFI_FILE_PROTOCOL *This, | |
852 | IN OUT UINTN *BufferSize, | |
853 | IN VOID *Buffer | |
854 | ) | |
855 | { | |
856 | EMU_EFI_FILE_PRIVATE *PrivateFile; | |
857 | int Res; | |
858 | ||
859 | ||
860 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This); | |
861 | ||
862 | if (PrivateFile->fd < 0) { | |
863 | return EFI_DEVICE_ERROR; | |
864 | } | |
865 | ||
866 | if (PrivateFile->IsDirectoryPath) { | |
867 | return EFI_UNSUPPORTED; | |
868 | } | |
869 | ||
870 | if (PrivateFile->IsOpenedByRead) { | |
871 | return EFI_ACCESS_DENIED; | |
872 | } | |
873 | ||
874 | Res = write (PrivateFile->fd, Buffer, *BufferSize); | |
875 | if (Res == (UINTN)-1) { | |
876 | return ErrnoToEfiStatus (); | |
877 | } | |
d18d8a1d | 878 | |
949f388f | 879 | *BufferSize = Res; |
880 | return EFI_SUCCESS; | |
881 | } | |
882 | ||
883 | ||
884 | ||
885 | /** | |
886 | Set a files current position | |
887 | ||
888 | @param This Protocol instance pointer. | |
889 | @param Position Byte position from the start of the file. | |
d18d8a1d | 890 | |
949f388f | 891 | @retval EFI_SUCCESS Data was written. |
892 | @retval EFI_UNSUPPORTED Seek request for non-zero is not valid on open. | |
893 | ||
894 | **/ | |
895 | EFI_STATUS | |
896 | PosixFileSetPossition ( | |
897 | IN EFI_FILE_PROTOCOL *This, | |
898 | IN UINT64 Position | |
899 | ) | |
900 | { | |
901 | EMU_EFI_FILE_PRIVATE *PrivateFile; | |
902 | off_t Pos; | |
903 | ||
904 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This); | |
905 | ||
906 | if (PrivateFile->IsDirectoryPath) { | |
907 | if (Position != 0) { | |
908 | return EFI_UNSUPPORTED; | |
909 | } | |
910 | ||
911 | if (PrivateFile->Dir == NULL) { | |
912 | return EFI_DEVICE_ERROR; | |
913 | } | |
914 | rewinddir (PrivateFile->Dir); | |
915 | return EFI_SUCCESS; | |
916 | } else { | |
917 | if (Position == (UINT64) -1) { | |
918 | Pos = lseek (PrivateFile->fd, 0, SEEK_END); | |
919 | } else { | |
920 | Pos = lseek (PrivateFile->fd, Position, SEEK_SET); | |
921 | } | |
922 | if (Pos == (off_t)-1) { | |
923 | return ErrnoToEfiStatus (); | |
924 | } | |
925 | return EFI_SUCCESS; | |
926 | } | |
927 | } | |
928 | ||
929 | ||
930 | ||
931 | /** | |
932 | Get a file's current position | |
933 | ||
934 | @param This Protocol instance pointer. | |
935 | @param Position Byte position from the start of the file. | |
d18d8a1d | 936 | |
949f388f | 937 | @retval EFI_SUCCESS Data was written. |
938 | @retval EFI_UNSUPPORTED Seek request for non-zero is not valid on open.. | |
939 | ||
940 | **/ | |
941 | EFI_STATUS | |
942 | PosixFileGetPossition ( | |
943 | IN EFI_FILE_PROTOCOL *This, | |
944 | OUT UINT64 *Position | |
945 | ) | |
946 | { | |
947 | EFI_STATUS Status; | |
948 | EMU_EFI_FILE_PRIVATE *PrivateFile; | |
d18d8a1d | 949 | |
949f388f | 950 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This); |
951 | ||
952 | if (PrivateFile->IsDirectoryPath) { | |
953 | Status = EFI_UNSUPPORTED; | |
954 | } else { | |
955 | *Position = (UINT64)lseek (PrivateFile->fd, 0, SEEK_CUR); | |
956 | Status = (*Position == (UINT64) -1) ? ErrnoToEfiStatus () : EFI_SUCCESS; | |
957 | } | |
958 | ||
959 | return Status; | |
960 | } | |
961 | ||
962 | ||
963 | /** | |
964 | Get information about a file. | |
965 | ||
966 | @param This Protocol instance pointer. | |
967 | @param InformationType Type of information to return in Buffer. | |
968 | @param BufferSize On input size of buffer, on output amount of data in buffer. | |
969 | @param Buffer The buffer to return data. | |
970 | ||
971 | @retval EFI_SUCCESS Data was returned. | |
972 | @retval EFI_UNSUPPORTED InformationType is not supported. | |
973 | @retval EFI_NO_MEDIA The device has no media. | |
974 | @retval EFI_DEVICE_ERROR The device reported an error. | |
975 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted. | |
976 | @retval EFI_WRITE_PROTECTED The device is write protected. | |
977 | @retval EFI_ACCESS_DENIED The file was open for read only. | |
978 | @retval EFI_BUFFER_TOO_SMALL Buffer was too small; required size returned in BufferSize. | |
979 | ||
980 | **/ | |
981 | EFI_STATUS | |
982 | PosixFileGetInfo ( | |
983 | IN EFI_FILE_PROTOCOL *This, | |
984 | IN EFI_GUID *InformationType, | |
985 | IN OUT UINTN *BufferSize, | |
986 | OUT VOID *Buffer | |
987 | ) | |
988 | { | |
989 | EFI_STATUS Status; | |
990 | EMU_EFI_FILE_PRIVATE *PrivateFile; | |
991 | EFI_FILE_SYSTEM_INFO *FileSystemInfoBuffer; | |
992 | int UnixStatus; | |
993 | EMU_SIMPLE_FILE_SYSTEM_PRIVATE *PrivateRoot; | |
994 | struct statfs buf; | |
995 | ||
996 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This); | |
997 | PrivateRoot = EMU_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile->SimpleFileSystem); | |
998 | ||
999 | Status = EFI_SUCCESS; | |
1000 | if (CompareGuid (InformationType, &gEfiFileInfoGuid)) { | |
1001 | Status = UnixSimpleFileSystemFileInfo (PrivateFile, NULL, BufferSize, Buffer); | |
1002 | } else if (CompareGuid (InformationType, &gEfiFileSystemInfoGuid)) { | |
1003 | if (*BufferSize < SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel)) { | |
1004 | *BufferSize = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel); | |
1005 | return EFI_BUFFER_TOO_SMALL; | |
1006 | } | |
1007 | ||
1008 | UnixStatus = statfs (PrivateFile->FileName, &buf); | |
1009 | if (UnixStatus < 0) { | |
1010 | return EFI_DEVICE_ERROR; | |
1011 | } | |
1012 | ||
1013 | FileSystemInfoBuffer = (EFI_FILE_SYSTEM_INFO *) Buffer; | |
1014 | FileSystemInfoBuffer->Size = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel); | |
1015 | FileSystemInfoBuffer->ReadOnly = FALSE; | |
1016 | ||
1017 | // | |
1018 | // Succeeded | |
1019 | // | |
1020 | FileSystemInfoBuffer->VolumeSize = MultU64x32 (buf.f_blocks, buf.f_bsize); | |
1021 | FileSystemInfoBuffer->FreeSpace = MultU64x32 (buf.f_bavail, buf.f_bsize); | |
1022 | FileSystemInfoBuffer->BlockSize = buf.f_bsize; | |
1023 | ||
1024 | ||
1025 | StrCpy ((CHAR16 *) FileSystemInfoBuffer->VolumeLabel, PrivateRoot->VolumeLabel); | |
1026 | *BufferSize = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel); | |
d18d8a1d | 1027 | |
949f388f | 1028 | } else if (CompareGuid (InformationType, &gEfiFileSystemVolumeLabelInfoIdGuid)) { |
1029 | if (*BufferSize < StrSize (PrivateRoot->VolumeLabel)) { | |
1030 | *BufferSize = StrSize (PrivateRoot->VolumeLabel); | |
1031 | return EFI_BUFFER_TOO_SMALL; | |
1032 | } | |
1033 | ||
1034 | StrCpy ((CHAR16 *) Buffer, PrivateRoot->VolumeLabel); | |
1035 | *BufferSize = StrSize (PrivateRoot->VolumeLabel); | |
1036 | ||
1037 | } | |
1038 | ||
1039 | return Status; | |
1040 | } | |
1041 | ||
1042 | ||
1043 | /** | |
1044 | Set information about a file | |
1045 | ||
1046 | @param File Protocol instance pointer. | |
1047 | @param InformationType Type of information in Buffer. | |
1048 | @param BufferSize Size of buffer. | |
1049 | @param Buffer The data to write. | |
1050 | ||
1051 | @retval EFI_SUCCESS Data was returned. | |
1052 | @retval EFI_UNSUPPORTED InformationType is not supported. | |
1053 | @retval EFI_NO_MEDIA The device has no media. | |
1054 | @retval EFI_DEVICE_ERROR The device reported an error. | |
1055 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted. | |
1056 | @retval EFI_WRITE_PROTECTED The device is write protected. | |
1057 | @retval EFI_ACCESS_DENIED The file was open for read only. | |
1058 | ||
1059 | **/ | |
1060 | EFI_STATUS | |
1061 | PosixFileSetInfo ( | |
1062 | IN EFI_FILE_PROTOCOL *This, | |
1063 | IN EFI_GUID *InformationType, | |
1064 | IN UINTN BufferSize, | |
1065 | IN VOID *Buffer | |
1066 | ) | |
1067 | { | |
1068 | EMU_SIMPLE_FILE_SYSTEM_PRIVATE *PrivateRoot; | |
1069 | EMU_EFI_FILE_PRIVATE *PrivateFile; | |
1070 | EFI_FILE_INFO *OldFileInfo; | |
1071 | EFI_FILE_INFO *NewFileInfo; | |
1072 | EFI_STATUS Status; | |
1073 | UINTN OldInfoSize; | |
1074 | mode_t NewAttr; | |
1075 | struct stat OldAttr; | |
1076 | CHAR8 *OldFileName; | |
1077 | CHAR8 *NewFileName; | |
1078 | CHAR8 *CharPointer; | |
1079 | BOOLEAN AttrChangeFlag; | |
1080 | BOOLEAN NameChangeFlag; | |
1081 | BOOLEAN SizeChangeFlag; | |
1082 | BOOLEAN TimeChangeFlag; | |
1083 | struct tm NewLastAccessSystemTime; | |
1084 | struct tm NewLastWriteSystemTime; | |
1085 | EFI_FILE_SYSTEM_INFO *NewFileSystemInfo; | |
1086 | CHAR8 *AsciiFilePtr; | |
1087 | CHAR16 *UnicodeFilePtr; | |
1088 | int UnixStatus; | |
1089 | struct utimbuf Utime; | |
d18d8a1d | 1090 | |
949f388f | 1091 | |
1092 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This); | |
1093 | PrivateRoot = EMU_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile->SimpleFileSystem); | |
1094 | errno = 0; | |
1095 | Status = EFI_UNSUPPORTED; | |
1096 | OldFileInfo = NewFileInfo = NULL; | |
1097 | OldFileName = NewFileName = NULL; | |
1098 | AttrChangeFlag = NameChangeFlag = SizeChangeFlag = TimeChangeFlag = FALSE; | |
1099 | ||
1100 | // | |
1101 | // Set file system information. | |
1102 | // | |
1103 | if (CompareGuid (InformationType, &gEfiFileSystemInfoGuid)) { | |
1104 | if (BufferSize < (SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel))) { | |
1105 | Status = EFI_BAD_BUFFER_SIZE; | |
1106 | goto Done; | |
1107 | } | |
1108 | ||
1109 | NewFileSystemInfo = (EFI_FILE_SYSTEM_INFO *) Buffer; | |
1110 | ||
1111 | free (PrivateRoot->VolumeLabel); | |
1112 | ||
1113 | PrivateRoot->VolumeLabel = malloc (StrSize (NewFileSystemInfo->VolumeLabel)); | |
1114 | if (PrivateRoot->VolumeLabel == NULL) { | |
1115 | goto Done; | |
1116 | } | |
1117 | ||
1118 | StrCpy (PrivateRoot->VolumeLabel, NewFileSystemInfo->VolumeLabel); | |
1119 | ||
1120 | Status = EFI_SUCCESS; | |
1121 | goto Done; | |
1122 | } | |
1123 | ||
1124 | // | |
1125 | // Set volume label information. | |
1126 | // | |
1127 | if (CompareGuid (InformationType, &gEfiFileSystemVolumeLabelInfoIdGuid)) { | |
1128 | if (BufferSize < StrSize (PrivateRoot->VolumeLabel)) { | |
1129 | Status = EFI_BAD_BUFFER_SIZE; | |
1130 | goto Done; | |
1131 | } | |
1132 | ||
1133 | StrCpy (PrivateRoot->VolumeLabel, (CHAR16 *) Buffer); | |
1134 | ||
1135 | Status = EFI_SUCCESS; | |
1136 | goto Done; | |
1137 | } | |
1138 | ||
1139 | if (!CompareGuid (InformationType, &gEfiFileInfoGuid)) { | |
1140 | Status = EFI_UNSUPPORTED; | |
1141 | goto Done; | |
1142 | } | |
1143 | ||
1144 | if (BufferSize < SIZE_OF_EFI_FILE_INFO) { | |
1145 | Status = EFI_BAD_BUFFER_SIZE; | |
1146 | goto Done; | |
1147 | } | |
1148 | ||
1149 | // | |
1150 | // Set file/directory information. | |
1151 | // | |
1152 | ||
1153 | // | |
1154 | // Check for invalid set file information parameters. | |
1155 | // | |
1156 | NewFileInfo = (EFI_FILE_INFO *) Buffer; | |
1157 | if (NewFileInfo->Size <= sizeof (EFI_FILE_INFO) || | |
1158 | (NewFileInfo->Attribute &~(EFI_FILE_VALID_ATTR)) || | |
1159 | (sizeof (UINTN) == 4 && NewFileInfo->Size > 0xFFFFFFFF) | |
1160 | ) { | |
1161 | Status = EFI_INVALID_PARAMETER; | |
1162 | goto Done; | |
1163 | } | |
1164 | ||
1165 | // | |
1166 | // Get current file information so we can determine what kind | |
1167 | // of change request this is. | |
1168 | // | |
1169 | OldInfoSize = 0; | |
1170 | Status = UnixSimpleFileSystemFileInfo (PrivateFile, NULL, &OldInfoSize, NULL); | |
1171 | if (Status != EFI_BUFFER_TOO_SMALL) { | |
1172 | Status = EFI_DEVICE_ERROR; | |
1173 | goto Done; | |
1174 | } | |
1175 | ||
1176 | OldFileInfo = malloc (OldInfoSize); | |
1177 | if (OldFileInfo == NULL) { | |
1178 | goto Done; | |
1179 | } | |
1180 | ||
1181 | Status = UnixSimpleFileSystemFileInfo (PrivateFile, NULL, &OldInfoSize, OldFileInfo); | |
1182 | if (EFI_ERROR (Status)) { | |
1183 | goto Done; | |
1184 | } | |
1185 | ||
1186 | OldFileName = malloc (AsciiStrSize (PrivateFile->FileName)); | |
1187 | if (OldFileInfo == NULL) { | |
1188 | goto Done; | |
1189 | } | |
1190 | ||
1191 | AsciiStrCpy (OldFileName, PrivateFile->FileName); | |
1192 | ||
1193 | // | |
1194 | // Make full pathname from new filename and rootpath. | |
1195 | // | |
1196 | if (NewFileInfo->FileName[0] == '\\') { | |
1197 | NewFileName = malloc (AsciiStrLen (PrivateRoot->FilePath) + 1 + StrLen (NewFileInfo->FileName) + 1); | |
1198 | if (NewFileName == NULL) { | |
1199 | goto Done; | |
1200 | } | |
1201 | ||
1202 | AsciiStrCpy (NewFileName, PrivateRoot->FilePath); | |
1203 | AsciiFilePtr = NewFileName + AsciiStrLen(NewFileName); | |
1204 | UnicodeFilePtr = NewFileInfo->FileName + 1; | |
1205 | *AsciiFilePtr++ ='/'; | |
1206 | } else { | |
1207 | NewFileName = malloc (AsciiStrLen (PrivateFile->FileName) + 2 + StrLen (NewFileInfo->FileName) + 1); | |
1208 | if (NewFileName == NULL) { | |
1209 | goto Done; | |
1210 | } | |
1211 | ||
1212 | AsciiStrCpy (NewFileName, PrivateRoot->FilePath); | |
1213 | AsciiFilePtr = NewFileName + AsciiStrLen(NewFileName); | |
1214 | if ((AsciiFilePtr[-1] != '/') && (NewFileInfo->FileName[0] != '/')) { | |
1215 | // make sure there is a / between Root FilePath and NewFileInfo Filename | |
d18d8a1d | 1216 | AsciiFilePtr[0] = '/'; |
949f388f | 1217 | AsciiFilePtr[1] = '\0'; |
1218 | AsciiFilePtr++; | |
1219 | } | |
1220 | UnicodeFilePtr = NewFileInfo->FileName; | |
1221 | } | |
1222 | // Convert to ascii. | |
1223 | while (*UnicodeFilePtr) { | |
1224 | *AsciiFilePtr++ = *UnicodeFilePtr++; | |
1225 | } | |
1226 | *AsciiFilePtr = 0; | |
1227 | ||
1228 | // | |
1229 | // Is there an attribute change request? | |
1230 | // | |
1231 | if (NewFileInfo->Attribute != OldFileInfo->Attribute) { | |
1232 | if ((NewFileInfo->Attribute & EFI_FILE_DIRECTORY) != (OldFileInfo->Attribute & EFI_FILE_DIRECTORY)) { | |
1233 | Status = EFI_INVALID_PARAMETER; | |
1234 | goto Done; | |
1235 | } | |
1236 | ||
1237 | AttrChangeFlag = TRUE; | |
1238 | } | |
1239 | ||
1240 | // | |
1241 | // Is there a name change request? | |
1242 | // bugbug: - Should really use EFI_UNICODE_COLLATION_PROTOCOL | |
1243 | // | |
1244 | if (StrCmp (NewFileInfo->FileName, OldFileInfo->FileName)) { | |
1245 | NameChangeFlag = TRUE; | |
1246 | } | |
1247 | ||
1248 | // | |
1249 | // Is there a size change request? | |
1250 | // | |
1251 | if (NewFileInfo->FileSize != OldFileInfo->FileSize) { | |
1252 | SizeChangeFlag = TRUE; | |
1253 | } | |
1254 | ||
1255 | // | |
1256 | // Is there a time stamp change request? | |
1257 | // | |
1258 | if (!IsZero (&NewFileInfo->CreateTime, sizeof (EFI_TIME)) && | |
1259 | CompareMem (&NewFileInfo->CreateTime, &OldFileInfo->CreateTime, sizeof (EFI_TIME)) | |
1260 | ) { | |
1261 | TimeChangeFlag = TRUE; | |
1262 | } else if (!IsZero (&NewFileInfo->LastAccessTime, sizeof (EFI_TIME)) && | |
1263 | CompareMem (&NewFileInfo->LastAccessTime, &OldFileInfo->LastAccessTime, sizeof (EFI_TIME)) | |
1264 | ) { | |
1265 | TimeChangeFlag = TRUE; | |
1266 | } else if (!IsZero (&NewFileInfo->ModificationTime, sizeof (EFI_TIME)) && | |
1267 | CompareMem (&NewFileInfo->ModificationTime, &OldFileInfo->ModificationTime, sizeof (EFI_TIME)) | |
1268 | ) { | |
1269 | TimeChangeFlag = TRUE; | |
1270 | } | |
1271 | ||
1272 | // | |
1273 | // All done if there are no change requests being made. | |
1274 | // | |
1275 | if (!(AttrChangeFlag || NameChangeFlag || SizeChangeFlag || TimeChangeFlag)) { | |
1276 | Status = EFI_SUCCESS; | |
1277 | goto Done; | |
1278 | } | |
1279 | ||
1280 | // | |
1281 | // Set file or directory information. | |
1282 | // | |
1283 | if (stat (OldFileName, &OldAttr) != 0) { | |
1284 | Status = ErrnoToEfiStatus (); | |
1285 | goto Done; | |
1286 | } | |
1287 | ||
1288 | // | |
1289 | // Name change. | |
1290 | // | |
1291 | if (NameChangeFlag) { | |
1292 | // | |
1293 | // Close the handles first | |
1294 | // | |
1295 | if (PrivateFile->IsOpenedByRead) { | |
1296 | Status = EFI_ACCESS_DENIED; | |
1297 | goto Done; | |
1298 | } | |
1299 | ||
1300 | for (CharPointer = NewFileName; *CharPointer != 0 && *CharPointer != L'/'; CharPointer++) { | |
1301 | } | |
1302 | ||
1303 | if (*CharPointer != 0) { | |
1304 | Status = EFI_ACCESS_DENIED; | |
1305 | goto Done; | |
1306 | } | |
1307 | ||
1308 | UnixStatus = rename (OldFileName, NewFileName); | |
1309 | if (UnixStatus == 0) { | |
1310 | // | |
1311 | // modify file name | |
1312 | // | |
1313 | free (PrivateFile->FileName); | |
1314 | ||
1315 | PrivateFile->FileName = malloc (AsciiStrSize (NewFileName)); | |
1316 | if (PrivateFile->FileName == NULL) { | |
1317 | goto Done; | |
1318 | } | |
1319 | ||
1320 | AsciiStrCpy (PrivateFile->FileName, NewFileName); | |
1321 | } else { | |
1322 | Status = EFI_DEVICE_ERROR; | |
1323 | goto Done; | |
1324 | } | |
1325 | } | |
1326 | ||
1327 | // | |
1328 | // Size change | |
1329 | // | |
1330 | if (SizeChangeFlag) { | |
1331 | if (PrivateFile->IsDirectoryPath) { | |
1332 | Status = EFI_UNSUPPORTED; | |
1333 | goto Done; | |
1334 | } | |
1335 | ||
1336 | if (PrivateFile->IsOpenedByRead || OldFileInfo->Attribute & EFI_FILE_READ_ONLY) { | |
1337 | Status = EFI_ACCESS_DENIED; | |
1338 | goto Done; | |
1339 | } | |
1340 | ||
1341 | if (ftruncate (PrivateFile->fd, NewFileInfo->FileSize) != 0) { | |
1342 | Status = ErrnoToEfiStatus (); | |
1343 | goto Done; | |
1344 | } | |
1345 | ||
1346 | } | |
1347 | ||
1348 | // | |
1349 | // Time change | |
1350 | // | |
1351 | if (TimeChangeFlag) { | |
1352 | NewLastAccessSystemTime.tm_year = NewFileInfo->LastAccessTime.Year; | |
1353 | NewLastAccessSystemTime.tm_mon = NewFileInfo->LastAccessTime.Month; | |
1354 | NewLastAccessSystemTime.tm_mday = NewFileInfo->LastAccessTime.Day; | |
1355 | NewLastAccessSystemTime.tm_hour = NewFileInfo->LastAccessTime.Hour; | |
1356 | NewLastAccessSystemTime.tm_min = NewFileInfo->LastAccessTime.Minute; | |
1357 | NewLastAccessSystemTime.tm_sec = NewFileInfo->LastAccessTime.Second; | |
1358 | NewLastAccessSystemTime.tm_isdst = 0; | |
1359 | ||
1360 | Utime.actime = mktime (&NewLastAccessSystemTime); | |
1361 | ||
1362 | NewLastWriteSystemTime.tm_year = NewFileInfo->ModificationTime.Year; | |
1363 | NewLastWriteSystemTime.tm_mon = NewFileInfo->ModificationTime.Month; | |
1364 | NewLastWriteSystemTime.tm_mday = NewFileInfo->ModificationTime.Day; | |
1365 | NewLastWriteSystemTime.tm_hour = NewFileInfo->ModificationTime.Hour; | |
1366 | NewLastWriteSystemTime.tm_min = NewFileInfo->ModificationTime.Minute; | |
1367 | NewLastWriteSystemTime.tm_sec = NewFileInfo->ModificationTime.Second; | |
1368 | NewLastWriteSystemTime.tm_isdst = 0; | |
1369 | ||
1370 | Utime.modtime = mktime (&NewLastWriteSystemTime); | |
1371 | ||
1372 | if (Utime.actime == (time_t)-1 || Utime.modtime == (time_t)-1) { | |
1373 | goto Done; | |
1374 | } | |
1375 | ||
1376 | if (utime (PrivateFile->FileName, &Utime) == -1) { | |
1377 | Status = ErrnoToEfiStatus (); | |
1378 | goto Done; | |
1379 | } | |
1380 | } | |
1381 | ||
1382 | // | |
1383 | // No matter about AttrChangeFlag, Attribute must be set. | |
1384 | // Because operation before may cause attribute change. | |
1385 | // | |
1386 | NewAttr = OldAttr.st_mode; | |
1387 | ||
1388 | if (NewFileInfo->Attribute & EFI_FILE_READ_ONLY) { | |
1389 | NewAttr &= ~(S_IRUSR | S_IRGRP | S_IROTH); | |
1390 | } else { | |
1391 | NewAttr |= S_IRUSR; | |
1392 | } | |
1393 | ||
1394 | if (chmod (NewFileName, NewAttr) != 0) { | |
1395 | Status = ErrnoToEfiStatus (); | |
1396 | } | |
1397 | ||
1398 | Done: | |
1399 | if (OldFileInfo != NULL) { | |
1400 | free (OldFileInfo); | |
1401 | } | |
1402 | ||
1403 | if (OldFileName != NULL) { | |
1404 | free (OldFileName); | |
1405 | } | |
1406 | ||
1407 | if (NewFileName != NULL) { | |
1408 | free (NewFileName); | |
1409 | } | |
1410 | ||
1411 | return Status; | |
1412 | } | |
1413 | ||
1414 | ||
1415 | /** | |
1416 | Flush data back for the file handle. | |
1417 | ||
1418 | @param This Protocol instance pointer. | |
1419 | ||
1420 | @retval EFI_SUCCESS Data was written. | |
1421 | @retval EFI_UNSUPPORTED Writes to Open directory are not supported. | |
1422 | @retval EFI_NO_MEDIA The device has no media. | |
1423 | @retval EFI_DEVICE_ERROR The device reported an error. | |
1424 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted. | |
1425 | @retval EFI_WRITE_PROTECTED The device is write protected. | |
1426 | @retval EFI_ACCESS_DENIED The file was open for read only. | |
1427 | @retval EFI_VOLUME_FULL The volume is full. | |
1428 | ||
1429 | **/ | |
1430 | EFI_STATUS | |
1431 | PosixFileFlush ( | |
1432 | IN EFI_FILE_PROTOCOL *This | |
1433 | ) | |
1434 | { | |
1435 | EMU_EFI_FILE_PRIVATE *PrivateFile; | |
1436 | ||
d18d8a1d | 1437 | |
949f388f | 1438 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This); |
1439 | ||
1440 | if (PrivateFile->IsDirectoryPath) { | |
1441 | return EFI_UNSUPPORTED; | |
1442 | } | |
1443 | ||
1444 | if (PrivateFile->IsOpenedByRead) { | |
1445 | return EFI_ACCESS_DENIED; | |
1446 | } | |
1447 | ||
1448 | if (PrivateFile->fd < 0) { | |
1449 | return EFI_DEVICE_ERROR; | |
1450 | } | |
1451 | ||
1452 | if (fsync (PrivateFile->fd) != 0) { | |
1453 | return ErrnoToEfiStatus (); | |
1454 | } | |
1455 | ||
1456 | return EFI_SUCCESS; | |
1457 | } | |
1458 | ||
1459 | ||
1460 | ||
1461 | EFI_STATUS | |
1462 | PosixFileSystmeThunkOpen ( | |
1463 | IN EMU_IO_THUNK_PROTOCOL *This | |
1464 | ) | |
1465 | { | |
1466 | EMU_SIMPLE_FILE_SYSTEM_PRIVATE *Private; | |
1467 | UINTN i; | |
d18d8a1d | 1468 | |
949f388f | 1469 | if (This->Private != NULL) { |
1470 | return EFI_ALREADY_STARTED; | |
1471 | } | |
d18d8a1d | 1472 | |
949f388f | 1473 | if (!CompareGuid (This->Protocol, &gEfiSimpleFileSystemProtocolGuid)) { |
1474 | return EFI_UNSUPPORTED; | |
1475 | } | |
d18d8a1d | 1476 | |
949f388f | 1477 | Private = malloc (sizeof (EMU_SIMPLE_FILE_SYSTEM_PRIVATE)); |
1478 | if (Private == NULL) { | |
1479 | return EFI_OUT_OF_RESOURCES; | |
1480 | } | |
1481 | ||
1482 | Private->FilePath = malloc (StrLen (This->ConfigString) + 1); | |
1483 | if (Private->FilePath == NULL) { | |
1484 | free (Private); | |
d18d8a1d | 1485 | return EFI_OUT_OF_RESOURCES; |
949f388f | 1486 | } |
d18d8a1d | 1487 | |
949f388f | 1488 | // Convert Unicode to Ascii |
1489 | for (i = 0; This->ConfigString[i] != 0; i++) { | |
1490 | Private->FilePath[i] = This->ConfigString[i]; | |
1491 | } | |
1492 | Private->FilePath[i] = 0; | |
1493 | ||
1494 | ||
0c493bf4 | 1495 | Private->VolumeLabel = malloc (StrSize (L"EFI_EMULATED")); |
949f388f | 1496 | if (Private->VolumeLabel == NULL) { |
1497 | free (Private->FilePath); | |
1498 | free (Private); | |
1499 | return EFI_OUT_OF_RESOURCES; | |
1500 | } | |
1501 | StrCpy (Private->VolumeLabel, L"EFI_EMULATED"); | |
d18d8a1d | 1502 | |
949f388f | 1503 | Private->Signature = EMU_SIMPLE_FILE_SYSTEM_PRIVATE_SIGNATURE; |
1504 | Private->Thunk = This; | |
1505 | CopyMem (&Private->SimpleFileSystem, &gPosixFileSystemProtocol, sizeof (Private->SimpleFileSystem)); | |
1506 | Private->FileHandlesOpen = FALSE; | |
d18d8a1d | 1507 | |
949f388f | 1508 | This->Interface = &Private->SimpleFileSystem; |
1509 | This->Private = Private; | |
1510 | return EFI_SUCCESS; | |
1511 | } | |
1512 | ||
1513 | ||
1514 | EFI_STATUS | |
1515 | PosixFileSystmeThunkClose ( | |
1516 | IN EMU_IO_THUNK_PROTOCOL *This | |
1517 | ) | |
1518 | { | |
1519 | EMU_SIMPLE_FILE_SYSTEM_PRIVATE *Private; | |
1520 | ||
1521 | if (!CompareGuid (This->Protocol, &gEfiSimpleFileSystemProtocolGuid)) { | |
1522 | return EFI_UNSUPPORTED; | |
1523 | } | |
d18d8a1d | 1524 | |
949f388f | 1525 | Private = This->Private; |
d18d8a1d | 1526 | |
949f388f | 1527 | if (Private->FileHandlesOpen) { |
1528 | // | |
1529 | // Close only supported if all the EFI_FILE_HANDLEs have been closed. | |
1530 | // | |
1531 | return EFI_NOT_READY; | |
1532 | } | |
1533 | ||
1534 | if (This->Private != NULL) { | |
033d0e5f | 1535 | if (Private->VolumeLabel != NULL) { |
949f388f | 1536 | free (Private->VolumeLabel); |
d18d8a1d | 1537 | } |
949f388f | 1538 | free (This->Private); |
21ce7a41 | 1539 | This->Private = NULL; |
949f388f | 1540 | } |
d18d8a1d | 1541 | |
949f388f | 1542 | return EFI_SUCCESS; |
1543 | } | |
1544 | ||
1545 | ||
1546 | EMU_IO_THUNK_PROTOCOL gPosixFileSystemThunkIo = { | |
1547 | &gEfiSimpleFileSystemProtocolGuid, | |
1548 | NULL, | |
1549 | NULL, | |
1550 | 0, | |
1551 | GasketPosixFileSystmeThunkOpen, | |
1552 | GasketPosixFileSystmeThunkClose, | |
1553 | NULL | |
1554 | }; | |
1555 | ||
1556 |