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56502bf1 RN |
1 | /*++ @file\r |
2 | Support OS native directory access.\r | |
3 | \r | |
4 | Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r | |
5 | This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | #include "WinHost.h"\r | |
17 | \r | |
18 | \r | |
19 | #define WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE_SIGNATURE SIGNATURE_32 ('N', 'T', 'f', 's')\r | |
20 | \r | |
21 | typedef struct {\r | |
22 | UINTN Signature;\r | |
23 | EMU_IO_THUNK_PROTOCOL *Thunk;\r | |
24 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL SimpleFileSystem;\r | |
25 | CHAR16 *FilePath;\r | |
26 | CHAR16 *VolumeLabel;\r | |
27 | } WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE;\r | |
28 | \r | |
29 | #define WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS(a) \\r | |
30 | CR (a, \\r | |
31 | WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE, \\r | |
32 | SimpleFileSystem, \\r | |
33 | WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE_SIGNATURE \\r | |
34 | )\r | |
35 | \r | |
36 | \r | |
37 | #define WIN_NT_EFI_FILE_PRIVATE_SIGNATURE SIGNATURE_32 ('l', 'o', 'f', 's')\r | |
38 | \r | |
39 | typedef struct {\r | |
40 | UINTN Signature;\r | |
41 | EMU_IO_THUNK_PROTOCOL *Thunk;\r | |
42 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *SimpleFileSystem;\r | |
43 | EFI_FILE_PROTOCOL EfiFile;\r | |
44 | HANDLE LHandle;\r | |
45 | HANDLE DirHandle;\r | |
46 | BOOLEAN IsRootDirectory;\r | |
47 | BOOLEAN IsDirectoryPath;\r | |
48 | BOOLEAN IsOpenedByRead;\r | |
49 | CHAR16 *FilePath;\r | |
50 | WCHAR *FileName;\r | |
51 | BOOLEAN IsValidFindBuf;\r | |
52 | WIN32_FIND_DATA FindBuf;\r | |
53 | } WIN_NT_EFI_FILE_PRIVATE;\r | |
54 | \r | |
55 | #define WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS(a) \\r | |
56 | CR (a, \\r | |
57 | WIN_NT_EFI_FILE_PRIVATE, \\r | |
58 | EfiFile, \\r | |
59 | WIN_NT_EFI_FILE_PRIVATE_SIGNATURE \\r | |
60 | )\r | |
61 | \r | |
62 | extern EFI_FILE_PROTOCOL gWinNtFileProtocol;\r | |
63 | extern EFI_SIMPLE_FILE_SYSTEM_PROTOCOL gWinNtFileSystemProtocol;\r | |
64 | \r | |
65 | EFI_STATUS\r | |
66 | WinNtFileGetInfo (\r | |
67 | IN EFI_FILE_PROTOCOL *This,\r | |
68 | IN EFI_GUID *InformationType,\r | |
69 | IN OUT UINTN *BufferSize,\r | |
70 | OUT VOID *Buffer\r | |
71 | );\r | |
72 | \r | |
73 | EFI_STATUS\r | |
74 | WinNtFileSetInfo (\r | |
75 | IN EFI_FILE_PROTOCOL *This,\r | |
76 | IN EFI_GUID *InformationType,\r | |
77 | IN UINTN BufferSize,\r | |
78 | IN VOID *Buffer\r | |
79 | );\r | |
80 | \r | |
81 | \r | |
82 | \r | |
83 | CHAR16 *\r | |
84 | EfiStrChr (\r | |
85 | IN CHAR16 *Str,\r | |
86 | IN CHAR16 Chr\r | |
87 | )\r | |
88 | /*++\r | |
89 | \r | |
90 | Routine Description:\r | |
91 | \r | |
92 | Locate the first occurance of a character in a string.\r | |
93 | \r | |
94 | Arguments:\r | |
95 | \r | |
96 | Str - Pointer to NULL terminated unicode string.\r | |
97 | Chr - Character to locate.\r | |
98 | \r | |
99 | Returns:\r | |
100 | \r | |
101 | If Str is NULL, then NULL is returned.\r | |
102 | If Chr is not contained in Str, then NULL is returned.\r | |
103 | If Chr is contained in Str, then a pointer to the first occurance of Chr in Str is returned.\r | |
104 | \r | |
105 | --*/\r | |
106 | {\r | |
107 | if (Str == NULL) {\r | |
108 | return Str;\r | |
109 | }\r | |
110 | \r | |
111 | while (*Str != '\0' && *Str != Chr) {\r | |
112 | ++Str;\r | |
113 | }\r | |
114 | \r | |
115 | return (*Str == Chr) ? Str : NULL;\r | |
116 | }\r | |
117 | \r | |
118 | \r | |
119 | \r | |
120 | BOOLEAN\r | |
121 | IsZero (\r | |
122 | IN VOID *Buffer,\r | |
123 | IN UINTN Length\r | |
124 | )\r | |
125 | {\r | |
126 | if (Buffer == NULL || Length == 0) {\r | |
127 | return FALSE;\r | |
128 | }\r | |
129 | \r | |
130 | if (*(UINT8 *) Buffer != 0) {\r | |
131 | return FALSE;\r | |
132 | }\r | |
133 | \r | |
134 | if (Length > 1) {\r | |
135 | if (!CompareMem (Buffer, (UINT8 *) Buffer + 1, Length - 1)) {\r | |
136 | return FALSE;\r | |
137 | }\r | |
138 | }\r | |
139 | \r | |
140 | return TRUE;\r | |
141 | }\r | |
142 | \r | |
143 | VOID\r | |
144 | CutPrefix (\r | |
145 | IN CHAR16 *Str,\r | |
146 | IN UINTN Count\r | |
147 | )\r | |
148 | {\r | |
149 | CHAR16 *Pointer;\r | |
150 | \r | |
151 | if (StrLen (Str) < Count) {\r | |
152 | ASSERT (0);\r | |
153 | }\r | |
154 | \r | |
155 | if (Count != 0) {\r | |
156 | for (Pointer = Str; *(Pointer + Count); Pointer++) {\r | |
157 | *Pointer = *(Pointer + Count);\r | |
158 | }\r | |
159 | \r | |
160 | *Pointer = *(Pointer + Count);\r | |
161 | }\r | |
162 | }\r | |
163 | /**\r | |
164 | Open the root directory on a volume.\r | |
165 | \r | |
166 | @param This Protocol instance pointer.\r | |
167 | @param Root Returns an Open file handle for the root directory\r | |
168 | \r | |
169 | @retval EFI_SUCCESS The device was opened.\r | |
170 | @retval EFI_UNSUPPORTED This volume does not support the file system.\r | |
171 | @retval EFI_NO_MEDIA The device has no media.\r | |
172 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
173 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r | |
174 | @retval EFI_ACCESS_DENIED The service denied access to the file.\r | |
175 | @retval EFI_OUT_OF_RESOURCES The volume was not opened due to lack of resources.\r | |
176 | \r | |
177 | **/\r | |
178 | EFI_STATUS\r | |
179 | WinNtOpenVolume (\r | |
180 | IN EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *This,\r | |
181 | OUT EFI_FILE_PROTOCOL **Root\r | |
182 | )\r | |
183 | {\r | |
184 | EFI_STATUS Status;\r | |
185 | WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE *Private;\r | |
186 | WIN_NT_EFI_FILE_PRIVATE *PrivateFile;\r | |
187 | CHAR16 *TempFileName;\r | |
188 | UINTN Size;\r | |
189 | \r | |
190 | if (This == NULL || Root == NULL) {\r | |
191 | return EFI_INVALID_PARAMETER;\r | |
192 | }\r | |
193 | \r | |
194 | Private = WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (This);\r | |
195 | \r | |
196 | PrivateFile = AllocatePool (sizeof (WIN_NT_EFI_FILE_PRIVATE));\r | |
197 | if (PrivateFile == NULL) {\r | |
198 | Status = EFI_OUT_OF_RESOURCES;\r | |
199 | goto Done;\r | |
200 | }\r | |
201 | \r | |
202 | PrivateFile->FileName = AllocatePool (StrSize (Private->FilePath));\r | |
203 | if (PrivateFile->FileName == NULL) {\r | |
204 | Status = EFI_OUT_OF_RESOURCES;\r | |
205 | goto Done;\r | |
206 | }\r | |
207 | \r | |
208 | PrivateFile->FilePath = AllocatePool (StrSize (Private->FilePath));\r | |
209 | if (PrivateFile->FilePath == NULL) {\r | |
210 | Status = EFI_OUT_OF_RESOURCES;\r | |
211 | goto Done;\r | |
212 | }\r | |
213 | \r | |
214 | StrCpy (PrivateFile->FilePath, Private->FilePath);\r | |
215 | StrCpy (PrivateFile->FileName, PrivateFile->FilePath);\r | |
216 | PrivateFile->Signature = WIN_NT_EFI_FILE_PRIVATE_SIGNATURE;\r | |
217 | PrivateFile->Thunk = Private->Thunk;\r | |
218 | PrivateFile->SimpleFileSystem = This;\r | |
219 | PrivateFile->IsRootDirectory = TRUE;\r | |
220 | PrivateFile->IsDirectoryPath = TRUE;\r | |
221 | PrivateFile->IsOpenedByRead = TRUE;\r | |
222 | CopyMem (&PrivateFile->EfiFile, &gWinNtFileProtocol, sizeof (gWinNtFileProtocol));\r | |
223 | PrivateFile->IsValidFindBuf = FALSE;\r | |
224 | \r | |
225 | //\r | |
226 | // Set DirHandle\r | |
227 | //\r | |
228 | PrivateFile->DirHandle = CreateFile (\r | |
229 | PrivateFile->FilePath,\r | |
230 | GENERIC_READ,\r | |
231 | FILE_SHARE_READ | FILE_SHARE_WRITE,\r | |
232 | NULL,\r | |
233 | OPEN_EXISTING,\r | |
234 | FILE_FLAG_BACKUP_SEMANTICS,\r | |
235 | NULL\r | |
236 | );\r | |
237 | \r | |
238 | if (PrivateFile->DirHandle == INVALID_HANDLE_VALUE) {\r | |
239 | Status = EFI_NOT_FOUND;\r | |
240 | goto Done;\r | |
241 | }\r | |
242 | \r | |
243 | //\r | |
244 | // Find the first file under it\r | |
245 | //\r | |
246 | Size = StrSize (PrivateFile->FilePath);\r | |
247 | Size += StrSize (L"\\*");\r | |
248 | TempFileName = AllocatePool (Size);\r | |
249 | if (TempFileName == NULL) {\r | |
250 | goto Done;\r | |
251 | }\r | |
252 | StrCpy (TempFileName, PrivateFile->FilePath);\r | |
253 | StrCat (TempFileName, L"\\*");\r | |
254 | \r | |
255 | PrivateFile->LHandle = FindFirstFile (TempFileName, &PrivateFile->FindBuf);\r | |
256 | FreePool (TempFileName);\r | |
257 | \r | |
258 | if (PrivateFile->LHandle == INVALID_HANDLE_VALUE) {\r | |
259 | PrivateFile->IsValidFindBuf = FALSE;\r | |
260 | } else {\r | |
261 | PrivateFile->IsValidFindBuf = TRUE;\r | |
262 | }\r | |
263 | *Root = &PrivateFile->EfiFile;\r | |
264 | \r | |
265 | Status = EFI_SUCCESS;\r | |
266 | \r | |
267 | Done:\r | |
268 | if (EFI_ERROR (Status)) {\r | |
269 | if (PrivateFile) {\r | |
270 | if (PrivateFile->FileName) {\r | |
271 | FreePool (PrivateFile->FileName);\r | |
272 | }\r | |
273 | \r | |
274 | if (PrivateFile->FilePath) {\r | |
275 | FreePool (PrivateFile->FilePath);\r | |
276 | }\r | |
277 | \r | |
278 | FreePool (PrivateFile);\r | |
279 | }\r | |
280 | }\r | |
281 | \r | |
282 | return Status;\r | |
283 | }\r | |
284 | \r | |
285 | /**\r | |
286 | Count the number of Leading Dot in FileNameToken.\r | |
287 | \r | |
288 | @param FileNameToken A string representing a token in the path name.\r | |
289 | \r | |
290 | @return UINTN The number of leading dot in the name.\r | |
291 | \r | |
292 | **/\r | |
293 | UINTN\r | |
294 | CountLeadingDots (\r | |
295 | IN CONST CHAR16 * FileNameToken\r | |
296 | )\r | |
297 | {\r | |
298 | UINTN Num;\r | |
299 | \r | |
300 | Num = 0;\r | |
301 | while (*FileNameToken == L'.') {\r | |
302 | Num++;\r | |
303 | FileNameToken++;\r | |
304 | }\r | |
305 | \r | |
306 | return Num;\r | |
307 | }\r | |
308 | \r | |
309 | \r | |
310 | BOOLEAN\r | |
311 | IsFileNameTokenValid (\r | |
312 | IN CONST CHAR16 * FileNameToken\r | |
313 | )\r | |
314 | {\r | |
315 | UINTN Num;\r | |
316 | if (StrStr (FileNameToken, L"/") != NULL) {\r | |
317 | //\r | |
318 | // No L'/' in file name.\r | |
319 | //\r | |
320 | return FALSE;\r | |
321 | } else {\r | |
322 | //\r | |
323 | // If Token has all dot, the number should not exceed 2\r | |
324 | //\r | |
325 | Num = CountLeadingDots (FileNameToken);\r | |
326 | \r | |
327 | if (Num == StrLen (FileNameToken)) {\r | |
328 | //\r | |
329 | // If the FileNameToken only contains a number of L'.'.\r | |
330 | //\r | |
331 | if (Num > 2) {\r | |
332 | return FALSE;\r | |
333 | }\r | |
334 | }\r | |
335 | }\r | |
336 | \r | |
337 | return TRUE;\r | |
338 | }\r | |
339 | \r | |
340 | \r | |
341 | /**\r | |
342 | Return the first string token found in the indirect pointer a String named by FileName.\r | |
343 | \r | |
344 | On input, FileName is a indirect pointer pointing to a String.\r | |
345 | On output, FileName is a updated to point to the next character after the first\r | |
346 | found L"\" or NULL if there is no L"\" found.\r | |
347 | \r | |
348 | @param FileName A indirect pointer pointing to a FileName.\r | |
349 | \r | |
350 | @return Token The first string token found before a L"\".\r | |
351 | \r | |
352 | **/\r | |
353 | CHAR16 *\r | |
354 | GetNextFileNameToken (\r | |
355 | IN OUT CONST CHAR16 ** FileName\r | |
356 | )\r | |
357 | {\r | |
358 | CHAR16 *SlashPos;\r | |
359 | CHAR16 *Token;\r | |
360 | UINTN Offset;\r | |
361 | ASSERT (**FileName != L'\\');\r | |
362 | ASSERT (**FileName != L'\0');\r | |
363 | \r | |
364 | SlashPos = StrStr (*FileName, L"\\");\r | |
365 | if (SlashPos == NULL) {\r | |
366 | Token = AllocateCopyPool (StrSize (*FileName), *FileName);\r | |
367 | *FileName = NULL;\r | |
368 | } else {\r | |
369 | Offset = SlashPos - *FileName;\r | |
370 | Token = AllocateZeroPool ((Offset + 1) * sizeof (CHAR16));\r | |
371 | StrnCpy (Token, *FileName, Offset);\r | |
372 | //\r | |
373 | // Point *FileName to the next character after L'\'.\r | |
374 | //\r | |
375 | *FileName = *FileName + Offset + 1;\r | |
376 | //\r | |
377 | // If *FileName is an empty string, then set *FileName to NULL\r | |
378 | //\r | |
379 | if (**FileName == L'\0') {\r | |
380 | *FileName = NULL;\r | |
381 | }\r | |
382 | }\r | |
383 | \r | |
384 | return Token;\r | |
385 | }\r | |
386 | \r | |
387 | \r | |
388 | /**\r | |
389 | Check if a FileName contains only Valid Characters.\r | |
390 | \r | |
391 | If FileName contains only a single L'\', return TRUE.\r | |
392 | If FileName contains two adjacent L'\', return FALSE.\r | |
393 | If FileName conatins L'/' , return FALSE.\r | |
394 | If FielName contains more than two dots seperated with other FileName characters\r | |
395 | by L'\', return FALSE. For example, L'.\...\filename.txt' is invalid path name. But L'..TwoDots\filename.txt' is valid path name.\r | |
396 | \r | |
397 | @param FileName The File Name String to check.\r | |
398 | \r | |
399 | @return TRUE FileName only contains valid characters.\r | |
400 | @return FALSE FileName contains at least one invalid character.\r | |
401 | \r | |
402 | **/\r | |
403 | \r | |
404 | BOOLEAN\r | |
405 | IsFileNameValid (\r | |
406 | IN CONST CHAR16 *FileName\r | |
407 | )\r | |
408 | {\r | |
409 | CHAR16 *Token;\r | |
410 | BOOLEAN Valid;\r | |
411 | \r | |
412 | //\r | |
413 | // If FileName is just L'\', then it is a valid pathname.\r | |
414 | //\r | |
415 | if (StrCmp (FileName, L"\\") == 0) {\r | |
416 | return TRUE;\r | |
417 | }\r | |
418 | //\r | |
419 | // We don't support two or more adjacent L'\'.\r | |
420 | //\r | |
421 | if (StrStr (FileName, L"\\\\") != NULL) {\r | |
422 | return FALSE;\r | |
423 | }\r | |
424 | \r | |
425 | //\r | |
426 | // Is FileName has a leading L"\", skip to next character.\r | |
427 | //\r | |
428 | if (FileName [0] == L'\\') {\r | |
429 | FileName++;\r | |
430 | }\r | |
431 | \r | |
432 | do {\r | |
433 | Token = GetNextFileNameToken (&FileName);\r | |
434 | Valid = IsFileNameTokenValid (Token);\r | |
435 | FreePool (Token);\r | |
436 | \r | |
437 | if (!Valid)\r | |
438 | return FALSE;\r | |
439 | } while (FileName != NULL);\r | |
440 | \r | |
441 | return TRUE;\r | |
442 | }\r | |
443 | \r | |
444 | \r | |
445 | /**\r | |
446 | Opens a new file relative to the source file's location.\r | |
447 | \r | |
448 | @param This The protocol instance pointer.\r | |
449 | @param NewHandle Returns File Handle for FileName.\r | |
450 | @param FileName Null terminated string. "\", ".", and ".." are supported.\r | |
451 | @param OpenMode Open mode for file.\r | |
452 | @param Attributes Only used for EFI_FILE_MODE_CREATE.\r | |
453 | \r | |
454 | @retval EFI_SUCCESS The device was opened.\r | |
455 | @retval EFI_NOT_FOUND The specified file could not be found on the device.\r | |
456 | @retval EFI_NO_MEDIA The device has no media.\r | |
457 | @retval EFI_MEDIA_CHANGED The media has changed.\r | |
458 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
459 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r | |
460 | @retval EFI_ACCESS_DENIED The service denied access to the file.\r | |
461 | @retval EFI_OUT_OF_RESOURCES The volume was not opened due to lack of resources.\r | |
462 | @retval EFI_VOLUME_FULL The volume is full.\r | |
463 | \r | |
464 | **/\r | |
465 | EFI_STATUS\r | |
466 | WinNtFileOpen (\r | |
467 | IN EFI_FILE_PROTOCOL *This,\r | |
468 | OUT EFI_FILE_PROTOCOL **NewHandle,\r | |
469 | IN CHAR16 *FileName,\r | |
470 | IN UINT64 OpenMode,\r | |
471 | IN UINT64 Attributes\r | |
472 | )\r | |
473 | {\r | |
474 | WIN_NT_EFI_FILE_PRIVATE *PrivateFile;\r | |
475 | WIN_NT_EFI_FILE_PRIVATE *NewPrivateFile;\r | |
476 | WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE *PrivateRoot;\r | |
477 | EFI_STATUS Status;\r | |
478 | CHAR16 *RealFileName;\r | |
479 | CHAR16 *TempFileName;\r | |
480 | CHAR16 *ParseFileName;\r | |
481 | CHAR16 *GuardPointer;\r | |
482 | CHAR16 TempChar;\r | |
483 | DWORD LastError;\r | |
484 | UINTN Count;\r | |
485 | BOOLEAN LoopFinish;\r | |
486 | UINTN InfoSize;\r | |
487 | EFI_FILE_INFO *Info;\r | |
488 | UINTN Size;\r | |
489 | \r | |
490 | \r | |
491 | //\r | |
492 | // Init local variables\r | |
493 | //\r | |
494 | PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r | |
495 | PrivateRoot = WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile->SimpleFileSystem);\r | |
496 | NewPrivateFile = NULL;\r | |
497 | \r | |
498 | //\r | |
499 | // Allocate buffer for FileName as the passed in FileName may be read only\r | |
500 | //\r | |
501 | TempFileName = AllocatePool (StrSize (FileName));\r | |
502 | if (TempFileName == NULL) {\r | |
503 | return EFI_OUT_OF_RESOURCES;\r | |
504 | }\r | |
505 | StrCpy (TempFileName, FileName);\r | |
506 | FileName = TempFileName;\r | |
507 | \r | |
508 | if (FileName[StrLen (FileName) - 1] == L'\\') {\r | |
509 | FileName[StrLen (FileName) - 1] = 0;\r | |
510 | }\r | |
511 | \r | |
512 | //\r | |
513 | // If file name does not equal to "." or ".." and not trailed with "\..",\r | |
514 | // then we trim the leading/trailing blanks and trailing dots\r | |
515 | //\r | |
516 | if (StrCmp (FileName, L".") != 0 && StrCmp (FileName, L"..") != 0 &&\r | |
517 | ((StrLen (FileName) >= 3) ? (StrCmp (&FileName[StrLen (FileName) - 3], L"\\..") != 0) : TRUE)) {\r | |
518 | //\r | |
519 | // Trim leading blanks\r | |
520 | //\r | |
521 | Count = 0;\r | |
522 | for (TempFileName = FileName;\r | |
523 | *TempFileName != 0 && *TempFileName == L' ';\r | |
524 | TempFileName++) {\r | |
525 | Count++;\r | |
526 | }\r | |
527 | CutPrefix (FileName, Count);\r | |
528 | //\r | |
529 | // Trim trailing blanks\r | |
530 | //\r | |
531 | for (TempFileName = FileName + StrLen (FileName) - 1;\r | |
532 | TempFileName >= FileName && (*TempFileName == L' ');\r | |
533 | TempFileName--) {\r | |
534 | ;\r | |
535 | }\r | |
536 | *(TempFileName + 1) = 0;\r | |
537 | }\r | |
538 | \r | |
539 | //\r | |
540 | // Attempt to open the file\r | |
541 | //\r | |
542 | NewPrivateFile = AllocatePool (sizeof (WIN_NT_EFI_FILE_PRIVATE));\r | |
543 | if (NewPrivateFile == NULL) {\r | |
544 | Status = EFI_OUT_OF_RESOURCES;\r | |
545 | goto Done;\r | |
546 | }\r | |
547 | \r | |
548 | CopyMem (NewPrivateFile, PrivateFile, sizeof (WIN_NT_EFI_FILE_PRIVATE));\r | |
549 | \r | |
550 | NewPrivateFile->FilePath = AllocatePool (StrSize (PrivateFile->FileName));\r | |
551 | if (NewPrivateFile->FilePath == NULL) {\r | |
552 | Status = EFI_OUT_OF_RESOURCES;\r | |
553 | goto Done;\r | |
554 | }\r | |
555 | \r | |
556 | if (PrivateFile->IsDirectoryPath) {\r | |
557 | StrCpy (NewPrivateFile->FilePath, PrivateFile->FileName);\r | |
558 | } else {\r | |
559 | StrCpy (NewPrivateFile->FilePath, PrivateFile->FilePath);\r | |
560 | }\r | |
561 | \r | |
562 | Size = StrSize (NewPrivateFile->FilePath);\r | |
563 | Size += StrSize (L"\\");\r | |
564 | Size += StrSize (FileName);\r | |
565 | NewPrivateFile->FileName = AllocatePool (Size);\r | |
566 | if (NewPrivateFile->FileName == NULL) {\r | |
567 | Status = EFI_OUT_OF_RESOURCES;\r | |
568 | goto Done;\r | |
569 | }\r | |
570 | \r | |
571 | if (*FileName == L'\\') {\r | |
572 | StrCpy (NewPrivateFile->FileName, PrivateRoot->FilePath);\r | |
573 | StrCat (NewPrivateFile->FileName, L"\\");\r | |
574 | StrCat (NewPrivateFile->FileName, FileName + 1);\r | |
575 | } else {\r | |
576 | StrCpy (NewPrivateFile->FileName, NewPrivateFile->FilePath);\r | |
577 | if (StrCmp (FileName, L"") != 0) {\r | |
578 | //\r | |
579 | // In case the filename becomes empty, especially after trimming dots and blanks\r | |
580 | //\r | |
581 | StrCat (NewPrivateFile->FileName, L"\\");\r | |
582 | StrCat (NewPrivateFile->FileName, FileName);\r | |
583 | }\r | |
584 | }\r | |
585 | \r | |
586 | if (!IsFileNameValid (NewPrivateFile->FileName)) {\r | |
587 | Status = EFI_NOT_FOUND;\r | |
588 | goto Done;\r | |
589 | }\r | |
590 | \r | |
591 | //\r | |
592 | // Get rid of . and .., except leading . or ..\r | |
593 | //\r | |
594 | \r | |
595 | //\r | |
596 | // GuardPointer protect simplefilesystem root path not be destroyed\r | |
597 | //\r | |
598 | GuardPointer = NewPrivateFile->FileName + StrLen (PrivateRoot->FilePath);\r | |
599 | \r | |
600 | LoopFinish = FALSE;\r | |
601 | \r | |
602 | while (!LoopFinish) {\r | |
603 | \r | |
604 | LoopFinish = TRUE;\r | |
605 | \r | |
606 | for (ParseFileName = GuardPointer; *ParseFileName; ParseFileName++) {\r | |
607 | if (*ParseFileName == L'.' &&\r | |
608 | (*(ParseFileName + 1) == 0 || *(ParseFileName + 1) == L'\\') &&\r | |
609 | *(ParseFileName - 1) == L'\\'\r | |
610 | ) {\r | |
611 | \r | |
612 | //\r | |
613 | // cut \.\r | |
614 | //\r | |
615 | CutPrefix (ParseFileName - 1, 2);\r | |
616 | LoopFinish = FALSE;\r | |
617 | break;\r | |
618 | }\r | |
619 | \r | |
620 | if (*ParseFileName == L'.' &&\r | |
621 | *(ParseFileName + 1) == L'.' &&\r | |
622 | (*(ParseFileName + 2) == 0 || *(ParseFileName + 2) == L'\\') &&\r | |
623 | *(ParseFileName - 1) == L'\\'\r | |
624 | ) {\r | |
625 | \r | |
626 | ParseFileName--;\r | |
627 | Count = 3;\r | |
628 | \r | |
629 | while (ParseFileName != GuardPointer) {\r | |
630 | ParseFileName--;\r | |
631 | Count++;\r | |
632 | if (*ParseFileName == L'\\') {\r | |
633 | break;\r | |
634 | }\r | |
635 | }\r | |
636 | \r | |
637 | //\r | |
638 | // cut \.. and its left directory\r | |
639 | //\r | |
640 | CutPrefix (ParseFileName, Count);\r | |
641 | LoopFinish = FALSE;\r | |
642 | break;\r | |
643 | }\r | |
644 | }\r | |
645 | }\r | |
646 | \r | |
647 | RealFileName = NewPrivateFile->FileName;\r | |
648 | while (EfiStrChr (RealFileName, L'\\') != NULL) {\r | |
649 | RealFileName = EfiStrChr (RealFileName, L'\\') + 1;\r | |
650 | }\r | |
651 | \r | |
652 | TempChar = 0;\r | |
653 | if (RealFileName != NewPrivateFile->FileName) {\r | |
654 | TempChar = *(RealFileName - 1);\r | |
655 | *(RealFileName - 1) = 0;\r | |
656 | }\r | |
657 | \r | |
658 | FreePool (NewPrivateFile->FilePath);\r | |
659 | NewPrivateFile->FilePath = NULL;\r | |
660 | NewPrivateFile->FilePath = AllocatePool (StrSize (NewPrivateFile->FileName));\r | |
661 | if (NewPrivateFile->FilePath == NULL) {\r | |
662 | Status = EFI_OUT_OF_RESOURCES;\r | |
663 | goto Done;\r | |
664 | }\r | |
665 | \r | |
666 | StrCpy (NewPrivateFile->FilePath, NewPrivateFile->FileName);\r | |
667 | if (TempChar != 0) {\r | |
668 | *(RealFileName - 1) = TempChar;\r | |
669 | }\r | |
670 | \r | |
671 | NewPrivateFile->IsRootDirectory = FALSE;\r | |
672 | \r | |
673 | //\r | |
674 | // Test whether file or directory\r | |
675 | //\r | |
676 | if (OpenMode & EFI_FILE_MODE_CREATE) {\r | |
677 | if (Attributes & EFI_FILE_DIRECTORY) {\r | |
678 | NewPrivateFile->IsDirectoryPath = TRUE;\r | |
679 | } else {\r | |
680 | NewPrivateFile->IsDirectoryPath = FALSE;\r | |
681 | }\r | |
682 | } else {\r | |
683 | NewPrivateFile->LHandle = CreateFile (\r | |
684 | NewPrivateFile->FileName,\r | |
685 | GENERIC_READ,\r | |
686 | FILE_SHARE_READ | FILE_SHARE_WRITE,\r | |
687 | NULL,\r | |
688 | OPEN_EXISTING,\r | |
689 | 0,\r | |
690 | NULL\r | |
691 | );\r | |
692 | \r | |
693 | if (NewPrivateFile->LHandle != INVALID_HANDLE_VALUE) {\r | |
694 | NewPrivateFile->IsDirectoryPath = FALSE;\r | |
695 | CloseHandle (NewPrivateFile->LHandle);\r | |
696 | } else {\r | |
697 | NewPrivateFile->IsDirectoryPath = TRUE;\r | |
698 | }\r | |
699 | \r | |
700 | NewPrivateFile->LHandle = INVALID_HANDLE_VALUE;\r | |
701 | }\r | |
702 | \r | |
703 | if (OpenMode & EFI_FILE_MODE_WRITE) {\r | |
704 | NewPrivateFile->IsOpenedByRead = FALSE;\r | |
705 | } else {\r | |
706 | NewPrivateFile->IsOpenedByRead = TRUE;\r | |
707 | }\r | |
708 | \r | |
709 | Status = EFI_SUCCESS;\r | |
710 | \r | |
711 | //\r | |
712 | // deal with directory\r | |
713 | //\r | |
714 | if (NewPrivateFile->IsDirectoryPath) {\r | |
715 | \r | |
716 | Size = StrSize (NewPrivateFile->FileName);\r | |
717 | Size += StrSize (L"\\*");\r | |
718 | TempFileName = AllocatePool (Size);\r | |
719 | if (TempFileName == NULL) {\r | |
720 | Status = EFI_OUT_OF_RESOURCES;\r | |
721 | goto Done;\r | |
722 | }\r | |
723 | \r | |
724 | StrCpy (TempFileName, NewPrivateFile->FileName);\r | |
725 | \r | |
726 | if ((OpenMode & EFI_FILE_MODE_CREATE)) {\r | |
727 | //\r | |
728 | // Create a directory\r | |
729 | //\r | |
730 | if (!CreateDirectory (TempFileName, NULL)) {\r | |
731 | \r | |
732 | LastError = GetLastError ();\r | |
733 | if (LastError != ERROR_ALREADY_EXISTS) {\r | |
734 | FreePool (TempFileName);\r | |
735 | Status = EFI_ACCESS_DENIED;\r | |
736 | goto Done;\r | |
737 | }\r | |
738 | }\r | |
739 | }\r | |
740 | \r | |
741 | NewPrivateFile->DirHandle = CreateFile (\r | |
742 | TempFileName,\r | |
743 | NewPrivateFile->IsOpenedByRead ? GENERIC_READ : (GENERIC_READ | GENERIC_WRITE),\r | |
744 | FILE_SHARE_READ | FILE_SHARE_WRITE,\r | |
745 | NULL,\r | |
746 | OPEN_EXISTING,\r | |
747 | FILE_FLAG_BACKUP_SEMANTICS,\r | |
748 | NULL\r | |
749 | );\r | |
750 | \r | |
751 | if (NewPrivateFile->DirHandle == INVALID_HANDLE_VALUE) {\r | |
752 | \r | |
753 | NewPrivateFile->DirHandle = CreateFile (\r | |
754 | TempFileName,\r | |
755 | GENERIC_READ,\r | |
756 | FILE_SHARE_READ | FILE_SHARE_WRITE,\r | |
757 | NULL,\r | |
758 | OPEN_EXISTING,\r | |
759 | FILE_FLAG_BACKUP_SEMANTICS,\r | |
760 | NULL\r | |
761 | );\r | |
762 | \r | |
763 | if (NewPrivateFile->DirHandle != INVALID_HANDLE_VALUE) {\r | |
764 | CloseHandle (NewPrivateFile->DirHandle);\r | |
765 | NewPrivateFile->DirHandle = INVALID_HANDLE_VALUE;\r | |
766 | Status = EFI_ACCESS_DENIED;\r | |
767 | } else {\r | |
768 | Status = EFI_NOT_FOUND;\r | |
769 | }\r | |
770 | \r | |
771 | FreePool (TempFileName);\r | |
772 | goto Done;\r | |
773 | }\r | |
774 | \r | |
775 | //\r | |
776 | // Find the first file under it\r | |
777 | //\r | |
778 | StrCat (TempFileName, L"\\*");\r | |
779 | NewPrivateFile->LHandle = FindFirstFile (TempFileName, &NewPrivateFile->FindBuf);\r | |
780 | FreePool (TempFileName);\r | |
781 | \r | |
782 | if (NewPrivateFile->LHandle == INVALID_HANDLE_VALUE) {\r | |
783 | NewPrivateFile->IsValidFindBuf = FALSE;\r | |
784 | } else {\r | |
785 | NewPrivateFile->IsValidFindBuf = TRUE;\r | |
786 | }\r | |
787 | } else {\r | |
788 | //\r | |
789 | // deal with file\r | |
790 | //\r | |
791 | if (!NewPrivateFile->IsOpenedByRead) {\r | |
792 | NewPrivateFile->LHandle = CreateFile (\r | |
793 | NewPrivateFile->FileName,\r | |
794 | GENERIC_READ | GENERIC_WRITE,\r | |
795 | FILE_SHARE_READ | FILE_SHARE_WRITE,\r | |
796 | NULL,\r | |
797 | (OpenMode & EFI_FILE_MODE_CREATE) ? OPEN_ALWAYS : OPEN_EXISTING,\r | |
798 | 0,\r | |
799 | NULL\r | |
800 | );\r | |
801 | \r | |
802 | if (NewPrivateFile->LHandle == INVALID_HANDLE_VALUE) {\r | |
803 | NewPrivateFile->LHandle = CreateFile (\r | |
804 | NewPrivateFile->FileName,\r | |
805 | GENERIC_READ,\r | |
806 | FILE_SHARE_READ | FILE_SHARE_WRITE,\r | |
807 | NULL,\r | |
808 | OPEN_EXISTING,\r | |
809 | 0,\r | |
810 | NULL\r | |
811 | );\r | |
812 | \r | |
813 | if (NewPrivateFile->LHandle == INVALID_HANDLE_VALUE) {\r | |
814 | Status = EFI_NOT_FOUND;\r | |
815 | } else {\r | |
816 | Status = EFI_ACCESS_DENIED;\r | |
817 | CloseHandle (NewPrivateFile->LHandle);\r | |
818 | NewPrivateFile->LHandle = INVALID_HANDLE_VALUE;\r | |
819 | }\r | |
820 | }\r | |
821 | } else {\r | |
822 | NewPrivateFile->LHandle = CreateFile (\r | |
823 | NewPrivateFile->FileName,\r | |
824 | GENERIC_READ,\r | |
825 | FILE_SHARE_READ | FILE_SHARE_WRITE,\r | |
826 | NULL,\r | |
827 | OPEN_EXISTING,\r | |
828 | 0,\r | |
829 | NULL\r | |
830 | );\r | |
831 | \r | |
832 | if (NewPrivateFile->LHandle == INVALID_HANDLE_VALUE) {\r | |
833 | Status = EFI_NOT_FOUND;\r | |
834 | }\r | |
835 | }\r | |
836 | }\r | |
837 | \r | |
838 | if ((OpenMode & EFI_FILE_MODE_CREATE) && Status == EFI_SUCCESS) {\r | |
839 | //\r | |
840 | // Set the attribute\r | |
841 | //\r | |
842 | InfoSize = 0;\r | |
843 | Info = NULL;\r | |
844 | \r | |
845 | Status = WinNtFileGetInfo (&NewPrivateFile->EfiFile, &gEfiFileInfoGuid, &InfoSize, Info);\r | |
846 | \r | |
847 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
848 | Status = EFI_DEVICE_ERROR;\r | |
849 | goto Done;\r | |
850 | }\r | |
851 | \r | |
852 | Info = AllocatePool (InfoSize);\r | |
853 | if (Info == NULL) {\r | |
854 | Status = EFI_OUT_OF_RESOURCES;\r | |
855 | goto Done;\r | |
856 | }\r | |
857 | \r | |
858 | Status = WinNtFileGetInfo (&NewPrivateFile->EfiFile, &gEfiFileInfoGuid, &InfoSize, Info);\r | |
859 | \r | |
860 | if (EFI_ERROR (Status)) {\r | |
861 | FreePool (Info);\r | |
862 | goto Done;\r | |
863 | }\r | |
864 | \r | |
865 | Info->Attribute = Attributes;\r | |
866 | \r | |
867 | WinNtFileSetInfo (&NewPrivateFile->EfiFile, &gEfiFileInfoGuid, InfoSize, Info);\r | |
868 | FreePool (Info);\r | |
869 | }\r | |
870 | \r | |
871 | Done:\r | |
872 | FreePool (FileName);\r | |
873 | \r | |
874 | if (EFI_ERROR (Status)) {\r | |
875 | if (NewPrivateFile) {\r | |
876 | if (NewPrivateFile->FileName) {\r | |
877 | FreePool (NewPrivateFile->FileName);\r | |
878 | }\r | |
879 | \r | |
880 | if (NewPrivateFile->FilePath) {\r | |
881 | FreePool (NewPrivateFile->FilePath);\r | |
882 | }\r | |
883 | \r | |
884 | FreePool (NewPrivateFile);\r | |
885 | }\r | |
886 | } else {\r | |
887 | *NewHandle = &NewPrivateFile->EfiFile;\r | |
888 | if (StrCmp (NewPrivateFile->FileName, PrivateRoot->FilePath) == 0) {\r | |
889 | NewPrivateFile->IsRootDirectory = TRUE;\r | |
890 | }\r | |
891 | }\r | |
892 | \r | |
893 | return Status;\r | |
894 | }\r | |
895 | \r | |
896 | \r | |
897 | \r | |
898 | /**\r | |
899 | Close the file handle\r | |
900 | \r | |
901 | @param This Protocol instance pointer.\r | |
902 | \r | |
903 | @retval EFI_SUCCESS The device was opened.\r | |
904 | \r | |
905 | **/\r | |
906 | EFI_STATUS\r | |
907 | WinNtFileClose (\r | |
908 | IN EFI_FILE_PROTOCOL *This\r | |
909 | )\r | |
910 | {\r | |
911 | WIN_NT_EFI_FILE_PRIVATE *PrivateFile;\r | |
912 | \r | |
913 | PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r | |
914 | \r | |
915 | if (PrivateFile->LHandle != INVALID_HANDLE_VALUE) {\r | |
916 | if (PrivateFile->IsDirectoryPath) {\r | |
917 | FindClose (PrivateFile->LHandle);\r | |
918 | } else {\r | |
919 | CloseHandle (PrivateFile->LHandle);\r | |
920 | }\r | |
921 | \r | |
922 | PrivateFile->LHandle = INVALID_HANDLE_VALUE;\r | |
923 | }\r | |
924 | \r | |
925 | if (PrivateFile->IsDirectoryPath && PrivateFile->DirHandle != INVALID_HANDLE_VALUE) {\r | |
926 | CloseHandle (PrivateFile->DirHandle);\r | |
927 | PrivateFile->DirHandle = INVALID_HANDLE_VALUE;\r | |
928 | }\r | |
929 | \r | |
930 | if (PrivateFile->FileName) {\r | |
931 | FreePool (PrivateFile->FileName);\r | |
932 | }\r | |
933 | \r | |
934 | if (PrivateFile->FilePath) {\r | |
935 | FreePool (PrivateFile->FilePath);\r | |
936 | }\r | |
937 | \r | |
938 | FreePool (PrivateFile);\r | |
939 | \r | |
940 | return EFI_SUCCESS;\r | |
941 | \r | |
942 | }\r | |
943 | \r | |
944 | \r | |
945 | /**\r | |
946 | Close and delete the file handle.\r | |
947 | \r | |
948 | @param This Protocol instance pointer.\r | |
949 | \r | |
950 | @retval EFI_SUCCESS The device was opened.\r | |
951 | @retval EFI_WARN_DELETE_FAILURE The handle was closed but the file was not deleted.\r | |
952 | \r | |
953 | **/\r | |
954 | EFI_STATUS\r | |
955 | WinNtFileDelete (\r | |
956 | IN EFI_FILE_PROTOCOL *This\r | |
957 | )\r | |
958 | {\r | |
959 | EFI_STATUS Status;\r | |
960 | WIN_NT_EFI_FILE_PRIVATE *PrivateFile;\r | |
961 | \r | |
962 | PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r | |
963 | \r | |
964 | Status = EFI_WARN_DELETE_FAILURE;\r | |
965 | \r | |
966 | if (PrivateFile->IsDirectoryPath) {\r | |
967 | if (PrivateFile->LHandle != INVALID_HANDLE_VALUE) {\r | |
968 | FindClose (PrivateFile->LHandle);\r | |
969 | }\r | |
970 | \r | |
971 | if (PrivateFile->DirHandle != INVALID_HANDLE_VALUE) {\r | |
972 | CloseHandle (PrivateFile->DirHandle);\r | |
973 | PrivateFile->DirHandle = INVALID_HANDLE_VALUE;\r | |
974 | }\r | |
975 | \r | |
976 | if (RemoveDirectory (PrivateFile->FileName)) {\r | |
977 | Status = EFI_SUCCESS;\r | |
978 | }\r | |
979 | } else {\r | |
980 | CloseHandle (PrivateFile->LHandle);\r | |
981 | PrivateFile->LHandle = INVALID_HANDLE_VALUE;\r | |
982 | \r | |
983 | if (!PrivateFile->IsOpenedByRead) {\r | |
984 | if (DeleteFile (PrivateFile->FileName)) {\r | |
985 | Status = EFI_SUCCESS;\r | |
986 | }\r | |
987 | }\r | |
988 | }\r | |
989 | \r | |
990 | FreePool (PrivateFile->FileName);\r | |
991 | FreePool (PrivateFile->FilePath);\r | |
992 | FreePool (PrivateFile);\r | |
993 | \r | |
994 | return Status;\r | |
995 | }\r | |
996 | \r | |
997 | VOID\r | |
998 | WinNtSystemTimeToEfiTime (\r | |
999 | IN SYSTEMTIME *SystemTime,\r | |
1000 | IN TIME_ZONE_INFORMATION *TimeZone,\r | |
1001 | OUT EFI_TIME *Time\r | |
1002 | )\r | |
1003 | /*++\r | |
1004 | \r | |
1005 | Routine Description:\r | |
1006 | \r | |
1007 | TODO: Add function description\r | |
1008 | \r | |
1009 | Arguments:\r | |
1010 | \r | |
1011 | SystemTime - TODO: add argument description\r | |
1012 | TimeZone - TODO: add argument description\r | |
1013 | Time - TODO: add argument description\r | |
1014 | \r | |
1015 | Returns:\r | |
1016 | \r | |
1017 | TODO: add return values\r | |
1018 | \r | |
1019 | --*/\r | |
1020 | {\r | |
1021 | Time->Year = (UINT16)SystemTime->wYear;\r | |
1022 | Time->Month = (UINT8)SystemTime->wMonth;\r | |
1023 | Time->Day = (UINT8)SystemTime->wDay;\r | |
1024 | Time->Hour = (UINT8)SystemTime->wHour;\r | |
1025 | Time->Minute = (UINT8)SystemTime->wMinute;\r | |
1026 | Time->Second = (UINT8)SystemTime->wSecond;\r | |
1027 | Time->Nanosecond = (UINT32)SystemTime->wMilliseconds * 1000000;\r | |
1028 | Time->TimeZone = (INT16)TimeZone->Bias;\r | |
1029 | \r | |
1030 | if (TimeZone->StandardDate.wMonth) {\r | |
1031 | Time->Daylight = EFI_TIME_ADJUST_DAYLIGHT;\r | |
1032 | }\r | |
1033 | }\r | |
1034 | \r | |
1035 | /**\r | |
1036 | Convert the FileTime to EfiTime.\r | |
1037 | \r | |
1038 | @param PrivateFile Pointer to WIN_NT_EFI_FILE_PRIVATE.\r | |
1039 | @param TimeZone Pointer to the current time zone.\r | |
1040 | @param FileTime Pointer to file time.\r | |
1041 | @param EfiTime Pointer to EFI time.\r | |
1042 | **/\r | |
1043 | VOID\r | |
1044 | WinNtFileTimeToEfiTime (\r | |
1045 | IN CONST WIN_NT_EFI_FILE_PRIVATE *PrivateFile,\r | |
1046 | IN TIME_ZONE_INFORMATION *TimeZone,\r | |
1047 | IN CONST FILETIME *FileTime,\r | |
1048 | OUT EFI_TIME *EfiTime\r | |
1049 | )\r | |
1050 | {\r | |
1051 | FILETIME TempFileTime;\r | |
1052 | SYSTEMTIME SystemTime;\r | |
1053 | \r | |
1054 | FileTimeToLocalFileTime (FileTime, &TempFileTime);\r | |
1055 | FileTimeToSystemTime (&TempFileTime, &SystemTime);\r | |
1056 | WinNtSystemTimeToEfiTime (&SystemTime, TimeZone, EfiTime);\r | |
1057 | }\r | |
1058 | \r | |
1059 | \r | |
1060 | /**\r | |
1061 | Read data from the file.\r | |
1062 | \r | |
1063 | @param This Protocol instance pointer.\r | |
1064 | @param BufferSize On input size of buffer, on output amount of data in buffer.\r | |
1065 | @param Buffer The buffer in which data is read.\r | |
1066 | \r | |
1067 | @retval EFI_SUCCESS Data was read.\r | |
1068 | @retval EFI_NO_MEDIA The device has no media.\r | |
1069 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
1070 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r | |
1071 | @retval EFI_BUFFER_TO_SMALL BufferSize is too small. BufferSize contains required size.\r | |
1072 | \r | |
1073 | **/\r | |
1074 | EFI_STATUS\r | |
1075 | WinNtFileRead (\r | |
1076 | IN EFI_FILE_PROTOCOL *This,\r | |
1077 | IN OUT UINTN *BufferSize,\r | |
1078 | OUT VOID *Buffer\r | |
1079 | )\r | |
1080 | {\r | |
1081 | WIN_NT_EFI_FILE_PRIVATE *PrivateFile;\r | |
1082 | EFI_STATUS Status;\r | |
1083 | UINTN Size;\r | |
1084 | UINTN NameSize;\r | |
1085 | UINTN ResultSize;\r | |
1086 | UINTN Index;\r | |
1087 | EFI_FILE_INFO *Info;\r | |
1088 | WCHAR *pw;\r | |
1089 | TIME_ZONE_INFORMATION TimeZone;\r | |
1090 | EFI_FILE_INFO *FileInfo;\r | |
1091 | UINT64 Pos;\r | |
1092 | UINT64 FileSize;\r | |
1093 | UINTN FileInfoSize;\r | |
1094 | \r | |
1095 | PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r | |
1096 | \r | |
1097 | if (PrivateFile->LHandle == INVALID_HANDLE_VALUE) {\r | |
1098 | Status = EFI_DEVICE_ERROR;\r | |
1099 | goto Done;\r | |
1100 | }\r | |
1101 | \r | |
1102 | if (!PrivateFile->IsDirectoryPath) {\r | |
1103 | \r | |
1104 | if (This->GetPosition (This, &Pos) != EFI_SUCCESS) {\r | |
1105 | Status = EFI_DEVICE_ERROR;\r | |
1106 | goto Done;\r | |
1107 | }\r | |
1108 | \r | |
1109 | FileInfoSize = SIZE_OF_EFI_FILE_SYSTEM_INFO;\r | |
1110 | FileInfo = AllocatePool (FileInfoSize);\r | |
1111 | \r | |
1112 | Status = This->GetInfo (\r | |
1113 | This,\r | |
1114 | &gEfiFileInfoGuid,\r | |
1115 | &FileInfoSize,\r | |
1116 | FileInfo\r | |
1117 | );\r | |
1118 | \r | |
1119 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
1120 | FreePool (FileInfo);\r | |
1121 | FileInfo = AllocatePool (FileInfoSize);\r | |
1122 | Status = This->GetInfo (\r | |
1123 | This,\r | |
1124 | &gEfiFileInfoGuid,\r | |
1125 | &FileInfoSize,\r | |
1126 | FileInfo\r | |
1127 | );\r | |
1128 | }\r | |
1129 | \r | |
1130 | if (EFI_ERROR (Status)) {\r | |
1131 | Status = EFI_DEVICE_ERROR;\r | |
1132 | goto Done;\r | |
1133 | }\r | |
1134 | \r | |
1135 | FileSize = FileInfo->FileSize;\r | |
1136 | \r | |
1137 | FreePool (FileInfo);\r | |
1138 | \r | |
1139 | if (Pos >= FileSize) {\r | |
1140 | *BufferSize = 0;\r | |
1141 | if (Pos == FileSize) {\r | |
1142 | Status = EFI_SUCCESS;\r | |
1143 | goto Done;\r | |
1144 | } else {\r | |
1145 | Status = EFI_DEVICE_ERROR;\r | |
1146 | goto Done;\r | |
1147 | }\r | |
1148 | }\r | |
1149 | \r | |
1150 | Status = ReadFile (\r | |
1151 | PrivateFile->LHandle,\r | |
1152 | Buffer,\r | |
1153 | (DWORD)*BufferSize,\r | |
1154 | (LPDWORD)BufferSize,\r | |
1155 | NULL\r | |
1156 | ) ? EFI_SUCCESS : EFI_DEVICE_ERROR;\r | |
1157 | goto Done;\r | |
1158 | }\r | |
1159 | \r | |
1160 | //\r | |
1161 | // Read on a directory. Perform a find next\r | |
1162 | //\r | |
1163 | if (!PrivateFile->IsValidFindBuf) {\r | |
1164 | *BufferSize = 0;\r | |
1165 | Status = EFI_SUCCESS;\r | |
1166 | goto Done;\r | |
1167 | }\r | |
1168 | \r | |
1169 | Size = SIZE_OF_EFI_FILE_INFO;\r | |
1170 | \r | |
1171 | NameSize = StrSize (PrivateFile->FindBuf.cFileName);\r | |
1172 | \r | |
1173 | ResultSize = Size + NameSize;\r | |
1174 | \r | |
1175 | Status = EFI_BUFFER_TOO_SMALL;\r | |
1176 | \r | |
1177 | if (*BufferSize >= ResultSize) {\r | |
1178 | Status = EFI_SUCCESS;\r | |
1179 | \r | |
1180 | Info = Buffer;\r | |
1181 | ZeroMem (Info, ResultSize);\r | |
1182 | \r | |
1183 | Info->Size = ResultSize;\r | |
1184 | \r | |
1185 | GetTimeZoneInformation (&TimeZone);\r | |
1186 | WinNtFileTimeToEfiTime (PrivateFile, &TimeZone, &PrivateFile->FindBuf.ftCreationTime, &Info->CreateTime);\r | |
1187 | WinNtFileTimeToEfiTime (PrivateFile, &TimeZone, &PrivateFile->FindBuf.ftLastAccessTime, &Info->LastAccessTime);\r | |
1188 | WinNtFileTimeToEfiTime (PrivateFile, &TimeZone, &PrivateFile->FindBuf.ftLastWriteTime, &Info->ModificationTime);\r | |
1189 | \r | |
1190 | Info->FileSize = PrivateFile->FindBuf.nFileSizeLow;\r | |
1191 | \r | |
1192 | Info->PhysicalSize = PrivateFile->FindBuf.nFileSizeLow;\r | |
1193 | \r | |
1194 | if (PrivateFile->FindBuf.dwFileAttributes & FILE_ATTRIBUTE_ARCHIVE) {\r | |
1195 | Info->Attribute |= EFI_FILE_ARCHIVE;\r | |
1196 | }\r | |
1197 | \r | |
1198 | if (PrivateFile->FindBuf.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN) {\r | |
1199 | Info->Attribute |= EFI_FILE_HIDDEN;\r | |
1200 | }\r | |
1201 | \r | |
1202 | if (PrivateFile->FindBuf.dwFileAttributes & FILE_ATTRIBUTE_SYSTEM) {\r | |
1203 | Info->Attribute |= EFI_FILE_SYSTEM;\r | |
1204 | }\r | |
1205 | \r | |
1206 | if (PrivateFile->FindBuf.dwFileAttributes & FILE_ATTRIBUTE_READONLY) {\r | |
1207 | Info->Attribute |= EFI_FILE_READ_ONLY;\r | |
1208 | }\r | |
1209 | \r | |
1210 | if (PrivateFile->FindBuf.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {\r | |
1211 | Info->Attribute |= EFI_FILE_DIRECTORY;\r | |
1212 | }\r | |
1213 | \r | |
1214 | NameSize = NameSize / sizeof (WCHAR);\r | |
1215 | \r | |
1216 | pw = (WCHAR *)(((CHAR8 *)Buffer) + Size);\r | |
1217 | \r | |
1218 | for (Index = 0; Index < NameSize; Index++) {\r | |
1219 | pw[Index] = PrivateFile->FindBuf.cFileName[Index];\r | |
1220 | }\r | |
1221 | \r | |
1222 | if (FindNextFile (PrivateFile->LHandle, &PrivateFile->FindBuf)) {\r | |
1223 | PrivateFile->IsValidFindBuf = TRUE;\r | |
1224 | } else {\r | |
1225 | PrivateFile->IsValidFindBuf = FALSE;\r | |
1226 | }\r | |
1227 | }\r | |
1228 | \r | |
1229 | *BufferSize = ResultSize;\r | |
1230 | \r | |
1231 | Done:\r | |
1232 | return Status;\r | |
1233 | }\r | |
1234 | \r | |
1235 | \r | |
1236 | \r | |
1237 | /**\r | |
1238 | Write data to a file.\r | |
1239 | \r | |
1240 | @param This Protocol instance pointer.\r | |
1241 | @param BufferSize On input size of buffer, on output amount of data in buffer.\r | |
1242 | @param Buffer The buffer in which data to write.\r | |
1243 | \r | |
1244 | @retval EFI_SUCCESS Data was written.\r | |
1245 | @retval EFI_UNSUPPORTED Writes to Open directory are not supported.\r | |
1246 | @retval EFI_NO_MEDIA The device has no media.\r | |
1247 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
1248 | @retval EFI_DEVICE_ERROR An attempt was made to write to a deleted file.\r | |
1249 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r | |
1250 | @retval EFI_WRITE_PROTECTED The device is write protected.\r | |
1251 | @retval EFI_ACCESS_DENIED The file was open for read only.\r | |
1252 | @retval EFI_VOLUME_FULL The volume is full.\r | |
1253 | \r | |
1254 | **/\r | |
1255 | EFI_STATUS\r | |
1256 | WinNtFileWrite (\r | |
1257 | IN EFI_FILE_PROTOCOL *This,\r | |
1258 | IN OUT UINTN *BufferSize,\r | |
1259 | IN VOID *Buffer\r | |
1260 | )\r | |
1261 | {\r | |
1262 | WIN_NT_EFI_FILE_PRIVATE *PrivateFile;\r | |
1263 | EFI_STATUS Status;\r | |
1264 | \r | |
1265 | PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r | |
1266 | \r | |
1267 | if (PrivateFile->LHandle == INVALID_HANDLE_VALUE) {\r | |
1268 | Status = EFI_DEVICE_ERROR;\r | |
1269 | goto Done;\r | |
1270 | }\r | |
1271 | \r | |
1272 | if (PrivateFile->IsDirectoryPath) {\r | |
1273 | Status = EFI_UNSUPPORTED;\r | |
1274 | goto Done;\r | |
1275 | }\r | |
1276 | \r | |
1277 | if (PrivateFile->IsOpenedByRead) {\r | |
1278 | Status = EFI_ACCESS_DENIED;\r | |
1279 | goto Done;\r | |
1280 | }\r | |
1281 | \r | |
1282 | Status = WriteFile (\r | |
1283 | PrivateFile->LHandle,\r | |
1284 | Buffer,\r | |
1285 | (DWORD)*BufferSize,\r | |
1286 | (LPDWORD)BufferSize,\r | |
1287 | NULL\r | |
1288 | ) ? EFI_SUCCESS : EFI_DEVICE_ERROR;\r | |
1289 | \r | |
1290 | Done:\r | |
1291 | return Status;\r | |
1292 | \r | |
1293 | //\r | |
1294 | // bugbug: need to access windows error reporting\r | |
1295 | //\r | |
1296 | }\r | |
1297 | \r | |
1298 | \r | |
1299 | \r | |
1300 | /**\r | |
1301 | Set a files current position\r | |
1302 | \r | |
1303 | @param This Protocol instance pointer.\r | |
1304 | @param Position Byte position from the start of the file.\r | |
1305 | \r | |
1306 | @retval EFI_SUCCESS Data was written.\r | |
1307 | @retval EFI_UNSUPPORTED Seek request for non-zero is not valid on open.\r | |
1308 | \r | |
1309 | **/\r | |
1310 | EFI_STATUS\r | |
1311 | WinNtFileSetPossition (\r | |
1312 | IN EFI_FILE_PROTOCOL *This,\r | |
1313 | IN UINT64 Position\r | |
1314 | )\r | |
1315 | {\r | |
1316 | EFI_STATUS Status;\r | |
1317 | WIN_NT_EFI_FILE_PRIVATE *PrivateFile;\r | |
1318 | UINT32 PosLow;\r | |
1319 | UINT32 PosHigh;\r | |
1320 | CHAR16 *FileName;\r | |
1321 | UINTN Size;\r | |
1322 | \r | |
1323 | PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r | |
1324 | \r | |
1325 | if (PrivateFile->IsDirectoryPath) {\r | |
1326 | if (Position != 0) {\r | |
1327 | Status = EFI_UNSUPPORTED;\r | |
1328 | goto Done;\r | |
1329 | }\r | |
1330 | \r | |
1331 | Size = StrSize (PrivateFile->FileName);\r | |
1332 | Size += StrSize (L"\\*");\r | |
1333 | FileName = AllocatePool (Size);\r | |
1334 | if (FileName == NULL) {\r | |
1335 | Status = EFI_OUT_OF_RESOURCES;\r | |
1336 | goto Done;\r | |
1337 | }\r | |
1338 | \r | |
1339 | StrCpy (FileName, PrivateFile->FileName);\r | |
1340 | StrCat (FileName, L"\\*");\r | |
1341 | \r | |
1342 | if (PrivateFile->LHandle != INVALID_HANDLE_VALUE) {\r | |
1343 | FindClose (PrivateFile->LHandle);\r | |
1344 | }\r | |
1345 | \r | |
1346 | PrivateFile->LHandle = FindFirstFile (FileName, &PrivateFile->FindBuf);\r | |
1347 | \r | |
1348 | if (PrivateFile->LHandle == INVALID_HANDLE_VALUE) {\r | |
1349 | PrivateFile->IsValidFindBuf = FALSE;\r | |
1350 | } else {\r | |
1351 | PrivateFile->IsValidFindBuf = TRUE;\r | |
1352 | }\r | |
1353 | \r | |
1354 | FreePool (FileName);\r | |
1355 | \r | |
1356 | Status = (PrivateFile->LHandle == INVALID_HANDLE_VALUE) ? EFI_DEVICE_ERROR : EFI_SUCCESS;\r | |
1357 | } else {\r | |
1358 | if (Position == (UINT64)-1) {\r | |
1359 | PosLow = SetFilePointer (PrivateFile->LHandle, (ULONG)0, NULL, FILE_END);\r | |
1360 | } else {\r | |
1361 | PosHigh = (UINT32)RShiftU64 (Position, 32);\r | |
1362 | \r | |
1363 | PosLow = SetFilePointer (PrivateFile->LHandle, (ULONG)Position, (PLONG)&PosHigh, FILE_BEGIN);\r | |
1364 | }\r | |
1365 | \r | |
1366 | Status = (PosLow == 0xFFFFFFFF) ? EFI_DEVICE_ERROR : EFI_SUCCESS;\r | |
1367 | }\r | |
1368 | \r | |
1369 | Done:\r | |
1370 | return Status;\r | |
1371 | }\r | |
1372 | \r | |
1373 | \r | |
1374 | \r | |
1375 | /**\r | |
1376 | Get a file's current position\r | |
1377 | \r | |
1378 | @param This Protocol instance pointer.\r | |
1379 | @param Position Byte position from the start of the file.\r | |
1380 | \r | |
1381 | @retval EFI_SUCCESS Data was written.\r | |
1382 | @retval EFI_UNSUPPORTED Seek request for non-zero is not valid on open..\r | |
1383 | \r | |
1384 | **/\r | |
1385 | EFI_STATUS\r | |
1386 | WinNtFileGetPossition (\r | |
1387 | IN EFI_FILE_PROTOCOL *This,\r | |
1388 | OUT UINT64 *Position\r | |
1389 | )\r | |
1390 | {\r | |
1391 | EFI_STATUS Status;\r | |
1392 | WIN_NT_EFI_FILE_PRIVATE *PrivateFile;\r | |
1393 | INT32 PositionHigh;\r | |
1394 | UINT64 PosHigh64;\r | |
1395 | \r | |
1396 | PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r | |
1397 | \r | |
1398 | PositionHigh = 0;\r | |
1399 | PosHigh64 = 0;\r | |
1400 | \r | |
1401 | if (PrivateFile->IsDirectoryPath) {\r | |
1402 | \r | |
1403 | Status = EFI_UNSUPPORTED;\r | |
1404 | goto Done;\r | |
1405 | \r | |
1406 | } else {\r | |
1407 | \r | |
1408 | PositionHigh = 0;\r | |
1409 | *Position = SetFilePointer (\r | |
1410 | PrivateFile->LHandle,\r | |
1411 | 0,\r | |
1412 | (PLONG)&PositionHigh,\r | |
1413 | FILE_CURRENT\r | |
1414 | );\r | |
1415 | \r | |
1416 | Status = *Position == 0xffffffff ? EFI_DEVICE_ERROR : EFI_SUCCESS;\r | |
1417 | if (EFI_ERROR (Status)) {\r | |
1418 | goto Done;\r | |
1419 | }\r | |
1420 | \r | |
1421 | PosHigh64 = PositionHigh;\r | |
1422 | *Position += LShiftU64 (PosHigh64, 32);\r | |
1423 | }\r | |
1424 | \r | |
1425 | Done:\r | |
1426 | return Status;\r | |
1427 | }\r | |
1428 | \r | |
1429 | \r | |
1430 | EFI_STATUS\r | |
1431 | WinNtSimpleFileSystemFileInfo (\r | |
1432 | IN WIN_NT_EFI_FILE_PRIVATE *PrivateFile,\r | |
1433 | IN OUT UINTN *BufferSize,\r | |
1434 | OUT VOID *Buffer\r | |
1435 | )\r | |
1436 | /*++\r | |
1437 | \r | |
1438 | Routine Description:\r | |
1439 | \r | |
1440 | TODO: Add function description\r | |
1441 | \r | |
1442 | Arguments:\r | |
1443 | \r | |
1444 | PrivateFile - TODO: add argument description\r | |
1445 | BufferSize - TODO: add argument description\r | |
1446 | Buffer - TODO: add argument description\r | |
1447 | \r | |
1448 | Returns:\r | |
1449 | \r | |
1450 | TODO: add return values\r | |
1451 | \r | |
1452 | --*/\r | |
1453 | {\r | |
1454 | EFI_STATUS Status;\r | |
1455 | UINTN Size;\r | |
1456 | UINTN NameSize;\r | |
1457 | UINTN ResultSize;\r | |
1458 | EFI_FILE_INFO *Info;\r | |
1459 | BY_HANDLE_FILE_INFORMATION FileInfo;\r | |
1460 | CHAR16 *RealFileName;\r | |
1461 | CHAR16 *TempPointer;\r | |
1462 | TIME_ZONE_INFORMATION TimeZone;\r | |
1463 | \r | |
1464 | Size = SIZE_OF_EFI_FILE_INFO;\r | |
1465 | \r | |
1466 | RealFileName = PrivateFile->FileName;\r | |
1467 | TempPointer = RealFileName;\r | |
1468 | while (*TempPointer) {\r | |
1469 | if (*TempPointer == '\\') {\r | |
1470 | RealFileName = TempPointer + 1;\r | |
1471 | }\r | |
1472 | \r | |
1473 | TempPointer++;\r | |
1474 | }\r | |
1475 | NameSize = StrSize (RealFileName);\r | |
1476 | \r | |
1477 | ResultSize = Size + NameSize;\r | |
1478 | \r | |
1479 | Status = EFI_BUFFER_TOO_SMALL;\r | |
1480 | if (*BufferSize >= ResultSize) {\r | |
1481 | Status = EFI_SUCCESS;\r | |
1482 | \r | |
1483 | Info = Buffer;\r | |
1484 | ZeroMem (Info, ResultSize);\r | |
1485 | \r | |
1486 | Info->Size = ResultSize;\r | |
1487 | GetFileInformationByHandle (\r | |
1488 | PrivateFile->IsDirectoryPath ? PrivateFile->DirHandle : PrivateFile->LHandle,\r | |
1489 | &FileInfo\r | |
1490 | );\r | |
1491 | Info->FileSize = FileInfo.nFileSizeLow;\r | |
1492 | Info->PhysicalSize = Info->FileSize;\r | |
1493 | \r | |
1494 | GetTimeZoneInformation (&TimeZone);\r | |
1495 | WinNtFileTimeToEfiTime (PrivateFile, &TimeZone, &FileInfo.ftCreationTime, &Info->CreateTime);\r | |
1496 | WinNtFileTimeToEfiTime (PrivateFile, &TimeZone, &FileInfo.ftLastAccessTime, &Info->LastAccessTime);\r | |
1497 | WinNtFileTimeToEfiTime (PrivateFile, &TimeZone, &FileInfo.ftLastWriteTime, &Info->ModificationTime);\r | |
1498 | \r | |
1499 | if (FileInfo.dwFileAttributes & FILE_ATTRIBUTE_ARCHIVE) {\r | |
1500 | Info->Attribute |= EFI_FILE_ARCHIVE;\r | |
1501 | }\r | |
1502 | \r | |
1503 | if (FileInfo.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN) {\r | |
1504 | Info->Attribute |= EFI_FILE_HIDDEN;\r | |
1505 | }\r | |
1506 | \r | |
1507 | if (FileInfo.dwFileAttributes & FILE_ATTRIBUTE_READONLY) {\r | |
1508 | Info->Attribute |= EFI_FILE_READ_ONLY;\r | |
1509 | }\r | |
1510 | \r | |
1511 | if (FileInfo.dwFileAttributes & FILE_ATTRIBUTE_SYSTEM) {\r | |
1512 | Info->Attribute |= EFI_FILE_SYSTEM;\r | |
1513 | }\r | |
1514 | \r | |
1515 | if (FileInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {\r | |
1516 | Info->Attribute |= EFI_FILE_DIRECTORY;\r | |
1517 | }\r | |
1518 | \r | |
1519 | if (PrivateFile->IsDirectoryPath) {\r | |
1520 | Info->Attribute |= EFI_FILE_DIRECTORY;\r | |
1521 | }\r | |
1522 | \r | |
1523 | if (PrivateFile->IsRootDirectory) {\r | |
1524 | *((CHAR8 *)Buffer + Size) = 0;\r | |
1525 | } else {\r | |
1526 | CopyMem ((CHAR8 *)Buffer + Size, RealFileName, NameSize);\r | |
1527 | }\r | |
1528 | }\r | |
1529 | \r | |
1530 | *BufferSize = ResultSize;\r | |
1531 | return Status;\r | |
1532 | }\r | |
1533 | \r | |
1534 | /**\r | |
1535 | Get information about a file.\r | |
1536 | \r | |
1537 | @param This Protocol instance pointer.\r | |
1538 | @param InformationType Type of information to return in Buffer.\r | |
1539 | @param BufferSize On input size of buffer, on output amount of data in buffer.\r | |
1540 | @param Buffer The buffer to return data.\r | |
1541 | \r | |
1542 | @retval EFI_SUCCESS Data was returned.\r | |
1543 | @retval EFI_UNSUPPORTED InformationType is not supported.\r | |
1544 | @retval EFI_NO_MEDIA The device has no media.\r | |
1545 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
1546 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r | |
1547 | @retval EFI_WRITE_PROTECTED The device is write protected.\r | |
1548 | @retval EFI_ACCESS_DENIED The file was open for read only.\r | |
1549 | @retval EFI_BUFFER_TOO_SMALL Buffer was too small; required size returned in BufferSize.\r | |
1550 | \r | |
1551 | **/\r | |
1552 | EFI_STATUS\r | |
1553 | WinNtFileGetInfo (\r | |
1554 | IN EFI_FILE_PROTOCOL *This,\r | |
1555 | IN EFI_GUID *InformationType,\r | |
1556 | IN OUT UINTN *BufferSize,\r | |
1557 | OUT VOID *Buffer\r | |
1558 | )\r | |
1559 | {\r | |
1560 | EFI_STATUS Status;\r | |
1561 | WIN_NT_EFI_FILE_PRIVATE *PrivateFile;\r | |
1562 | EFI_FILE_SYSTEM_INFO *FileSystemInfoBuffer;\r | |
1563 | UINT32 SectorsPerCluster;\r | |
1564 | UINT32 BytesPerSector;\r | |
1565 | UINT32 FreeClusters;\r | |
1566 | UINT32 TotalClusters;\r | |
1567 | UINT32 BytesPerCluster;\r | |
1568 | CHAR16 *DriveName;\r | |
1569 | BOOLEAN DriveNameFound;\r | |
1570 | BOOL NtStatus;\r | |
1571 | UINTN Index;\r | |
1572 | WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE *PrivateRoot;\r | |
1573 | \r | |
1574 | if (This == NULL || InformationType == NULL || BufferSize == NULL) {\r | |
1575 | return EFI_INVALID_PARAMETER;\r | |
1576 | }\r | |
1577 | \r | |
1578 | PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r | |
1579 | PrivateRoot = WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile->SimpleFileSystem);\r | |
1580 | \r | |
1581 | Status = EFI_UNSUPPORTED;\r | |
1582 | \r | |
1583 | if (CompareGuid (InformationType, &gEfiFileInfoGuid)) {\r | |
1584 | Status = WinNtSimpleFileSystemFileInfo (PrivateFile, BufferSize, Buffer);\r | |
1585 | }\r | |
1586 | \r | |
1587 | if (CompareGuid (InformationType, &gEfiFileSystemInfoGuid)) {\r | |
1588 | if (*BufferSize < SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel)) {\r | |
1589 | *BufferSize = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel);\r | |
1590 | Status = EFI_BUFFER_TOO_SMALL;\r | |
1591 | goto Done;\r | |
1592 | }\r | |
1593 | \r | |
1594 | FileSystemInfoBuffer = (EFI_FILE_SYSTEM_INFO *)Buffer;\r | |
1595 | FileSystemInfoBuffer->Size = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel);\r | |
1596 | FileSystemInfoBuffer->ReadOnly = FALSE;\r | |
1597 | \r | |
1598 | //\r | |
1599 | // Try to get the drive name\r | |
1600 | //\r | |
1601 | DriveNameFound = FALSE;\r | |
1602 | DriveName = AllocatePool (StrSize (PrivateFile->FilePath) + 1);\r | |
1603 | if (DriveName == NULL) {\r | |
1604 | Status = EFI_OUT_OF_RESOURCES;\r | |
1605 | goto Done;\r | |
1606 | }\r | |
1607 | \r | |
1608 | StrCpy (DriveName, PrivateFile->FilePath);\r | |
1609 | for (Index = 0; DriveName[Index] != 0 && DriveName[Index] != ':'; Index++) {\r | |
1610 | ;\r | |
1611 | }\r | |
1612 | \r | |
1613 | if (DriveName[Index] == ':') {\r | |
1614 | DriveName[Index + 1] = '\\';\r | |
1615 | DriveName[Index + 2] = 0;\r | |
1616 | DriveNameFound = TRUE;\r | |
1617 | } else if (DriveName[0] == '\\' && DriveName[1] == '\\') {\r | |
1618 | for (Index = 2; DriveName[Index] != 0 && DriveName[Index] != '\\'; Index++) {\r | |
1619 | ;\r | |
1620 | }\r | |
1621 | \r | |
1622 | if (DriveName[Index] == '\\') {\r | |
1623 | DriveNameFound = TRUE;\r | |
1624 | for (Index++; DriveName[Index] != 0 && DriveName[Index] != '\\'; Index++) {\r | |
1625 | ;\r | |
1626 | }\r | |
1627 | \r | |
1628 | DriveName[Index] = '\\';\r | |
1629 | DriveName[Index + 1] = 0;\r | |
1630 | }\r | |
1631 | }\r | |
1632 | \r | |
1633 | //\r | |
1634 | // Try GetDiskFreeSpace first\r | |
1635 | //\r | |
1636 | NtStatus = GetDiskFreeSpace (\r | |
1637 | DriveNameFound ? DriveName : NULL,\r | |
1638 | (LPDWORD)&SectorsPerCluster,\r | |
1639 | (LPDWORD)&BytesPerSector,\r | |
1640 | (LPDWORD)&FreeClusters,\r | |
1641 | (LPDWORD)&TotalClusters\r | |
1642 | );\r | |
1643 | if (DriveName) {\r | |
1644 | FreePool (DriveName);\r | |
1645 | }\r | |
1646 | \r | |
1647 | if (NtStatus) {\r | |
1648 | //\r | |
1649 | // Succeeded\r | |
1650 | //\r | |
1651 | BytesPerCluster = BytesPerSector * SectorsPerCluster;\r | |
1652 | FileSystemInfoBuffer->VolumeSize = MultU64x32 (TotalClusters, BytesPerCluster);\r | |
1653 | FileSystemInfoBuffer->FreeSpace = MultU64x32 (FreeClusters, BytesPerCluster);\r | |
1654 | FileSystemInfoBuffer->BlockSize = BytesPerCluster;\r | |
1655 | \r | |
1656 | } else {\r | |
1657 | //\r | |
1658 | // try GetDiskFreeSpaceEx then\r | |
1659 | //\r | |
1660 | FileSystemInfoBuffer->BlockSize = 0;\r | |
1661 | NtStatus = GetDiskFreeSpaceEx (\r | |
1662 | PrivateFile->FilePath,\r | |
1663 | (PULARGE_INTEGER)(&FileSystemInfoBuffer->FreeSpace),\r | |
1664 | (PULARGE_INTEGER)(&FileSystemInfoBuffer->VolumeSize),\r | |
1665 | NULL\r | |
1666 | );\r | |
1667 | if (!NtStatus) {\r | |
1668 | Status = EFI_DEVICE_ERROR;\r | |
1669 | goto Done;\r | |
1670 | }\r | |
1671 | }\r | |
1672 | \r | |
1673 | StrCpy ((CHAR16 *)FileSystemInfoBuffer->VolumeLabel, PrivateRoot->VolumeLabel);\r | |
1674 | *BufferSize = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel);\r | |
1675 | Status = EFI_SUCCESS;\r | |
1676 | }\r | |
1677 | \r | |
1678 | if (CompareGuid (InformationType, &gEfiFileSystemVolumeLabelInfoIdGuid)) {\r | |
1679 | if (*BufferSize < StrSize (PrivateRoot->VolumeLabel)) {\r | |
1680 | *BufferSize = StrSize (PrivateRoot->VolumeLabel);\r | |
1681 | Status = EFI_BUFFER_TOO_SMALL;\r | |
1682 | goto Done;\r | |
1683 | }\r | |
1684 | \r | |
1685 | StrCpy ((CHAR16 *)Buffer, PrivateRoot->VolumeLabel);\r | |
1686 | *BufferSize = StrSize (PrivateRoot->VolumeLabel);\r | |
1687 | Status = EFI_SUCCESS;\r | |
1688 | }\r | |
1689 | \r | |
1690 | Done:\r | |
1691 | return Status;\r | |
1692 | }\r | |
1693 | \r | |
1694 | \r | |
1695 | /**\r | |
1696 | Set information about a file\r | |
1697 | \r | |
1698 | @param File Protocol instance pointer.\r | |
1699 | @param InformationType Type of information in Buffer.\r | |
1700 | @param BufferSize Size of buffer.\r | |
1701 | @param Buffer The data to write.\r | |
1702 | \r | |
1703 | @retval EFI_SUCCESS Data was returned.\r | |
1704 | @retval EFI_UNSUPPORTED InformationType is not supported.\r | |
1705 | @retval EFI_NO_MEDIA The device has no media.\r | |
1706 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
1707 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r | |
1708 | @retval EFI_WRITE_PROTECTED The device is write protected.\r | |
1709 | @retval EFI_ACCESS_DENIED The file was open for read only.\r | |
1710 | \r | |
1711 | **/\r | |
1712 | EFI_STATUS\r | |
1713 | WinNtFileSetInfo (\r | |
1714 | IN EFI_FILE_PROTOCOL *This,\r | |
1715 | IN EFI_GUID *InformationType,\r | |
1716 | IN UINTN BufferSize,\r | |
1717 | IN VOID *Buffer\r | |
1718 | )\r | |
1719 | {\r | |
1720 | WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE *PrivateRoot;\r | |
1721 | WIN_NT_EFI_FILE_PRIVATE *PrivateFile;\r | |
1722 | EFI_FILE_INFO *OldFileInfo;\r | |
1723 | EFI_FILE_INFO *NewFileInfo;\r | |
1724 | EFI_STATUS Status;\r | |
1725 | UINTN OldInfoSize;\r | |
1726 | INTN NtStatus;\r | |
1727 | UINT32 NewAttr;\r | |
1728 | UINT32 OldAttr;\r | |
1729 | CHAR16 *OldFileName;\r | |
1730 | CHAR16 *NewFileName;\r | |
1731 | CHAR16 *TempFileName;\r | |
1732 | CHAR16 *CharPointer;\r | |
1733 | BOOLEAN AttrChangeFlag;\r | |
1734 | BOOLEAN NameChangeFlag;\r | |
1735 | BOOLEAN SizeChangeFlag;\r | |
1736 | BOOLEAN TimeChangeFlag;\r | |
1737 | UINT64 CurPos;\r | |
1738 | SYSTEMTIME NewCreationSystemTime;\r | |
1739 | SYSTEMTIME NewLastAccessSystemTime;\r | |
1740 | SYSTEMTIME NewLastWriteSystemTime;\r | |
1741 | FILETIME NewCreationFileTime;\r | |
1742 | FILETIME NewLastAccessFileTime;\r | |
1743 | FILETIME NewLastWriteFileTime;\r | |
1744 | WIN32_FIND_DATA FindBuf;\r | |
1745 | EFI_FILE_SYSTEM_INFO *NewFileSystemInfo;\r | |
1746 | UINTN Size;\r | |
1747 | \r | |
1748 | //\r | |
1749 | // Initialise locals.\r | |
1750 | //\r | |
1751 | PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r | |
1752 | PrivateRoot = WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile->SimpleFileSystem);\r | |
1753 | \r | |
1754 | Status = EFI_UNSUPPORTED;\r | |
1755 | OldFileInfo = NewFileInfo = NULL;\r | |
1756 | OldFileName = NewFileName = NULL;\r | |
1757 | AttrChangeFlag = NameChangeFlag = SizeChangeFlag = TimeChangeFlag = FALSE;\r | |
1758 | \r | |
1759 | //\r | |
1760 | // Set file system information.\r | |
1761 | //\r | |
1762 | if (CompareGuid (InformationType, &gEfiFileSystemInfoGuid)) {\r | |
1763 | NewFileSystemInfo = (EFI_FILE_SYSTEM_INFO *)Buffer;\r | |
1764 | if (BufferSize < SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (NewFileSystemInfo->VolumeLabel)) {\r | |
1765 | Status = EFI_BAD_BUFFER_SIZE;\r | |
1766 | goto Done;\r | |
1767 | }\r | |
1768 | \r | |
1769 | \r | |
1770 | FreePool (PrivateRoot->VolumeLabel);\r | |
1771 | PrivateRoot->VolumeLabel = AllocatePool (StrSize (NewFileSystemInfo->VolumeLabel));\r | |
1772 | if (PrivateRoot->VolumeLabel == NULL) {\r | |
1773 | Status = EFI_OUT_OF_RESOURCES;\r | |
1774 | goto Done;\r | |
1775 | }\r | |
1776 | \r | |
1777 | StrCpy (PrivateRoot->VolumeLabel, NewFileSystemInfo->VolumeLabel);\r | |
1778 | \r | |
1779 | Status = EFI_SUCCESS;\r | |
1780 | goto Done;\r | |
1781 | }\r | |
1782 | \r | |
1783 | //\r | |
1784 | // Set volume label information.\r | |
1785 | //\r | |
1786 | if (CompareGuid (InformationType, &gEfiFileSystemVolumeLabelInfoIdGuid)) {\r | |
1787 | if (BufferSize < StrSize (PrivateRoot->VolumeLabel)) {\r | |
1788 | Status = EFI_BAD_BUFFER_SIZE;\r | |
1789 | goto Done;\r | |
1790 | }\r | |
1791 | \r | |
1792 | StrCpy (PrivateRoot->VolumeLabel, (CHAR16 *)Buffer);\r | |
1793 | \r | |
1794 | Status = EFI_SUCCESS;\r | |
1795 | goto Done;\r | |
1796 | }\r | |
1797 | \r | |
1798 | if (!CompareGuid (InformationType, &gEfiFileInfoGuid)) {\r | |
1799 | Status = EFI_UNSUPPORTED;\r | |
1800 | goto Done;\r | |
1801 | }\r | |
1802 | \r | |
1803 | if (BufferSize < SIZE_OF_EFI_FILE_INFO) {\r | |
1804 | Status = EFI_BAD_BUFFER_SIZE;\r | |
1805 | goto Done;\r | |
1806 | }\r | |
1807 | \r | |
1808 | //\r | |
1809 | // Set file/directory information.\r | |
1810 | //\r | |
1811 | \r | |
1812 | //\r | |
1813 | // Check for invalid set file information parameters.\r | |
1814 | //\r | |
1815 | NewFileInfo = (EFI_FILE_INFO *)Buffer;\r | |
1816 | \r | |
1817 | if ((NewFileInfo->Size <= SIZE_OF_EFI_FILE_INFO) ||\r | |
1818 | (NewFileInfo->Attribute &~(EFI_FILE_VALID_ATTR)) ||\r | |
1819 | (sizeof (UINTN) == 4 && NewFileInfo->Size > 0xFFFFFFFF)\r | |
1820 | ) {\r | |
1821 | Status = EFI_INVALID_PARAMETER;\r | |
1822 | goto Done;\r | |
1823 | }\r | |
1824 | \r | |
1825 | //\r | |
1826 | // bugbug: - This is not safe. We need something like EfiStrMaxSize()\r | |
1827 | // that would have an additional parameter that would be the size\r | |
1828 | // of the string array just in case there are no NULL characters in\r | |
1829 | // the string array.\r | |
1830 | //\r | |
1831 | //\r | |
1832 | // Get current file information so we can determine what kind\r | |
1833 | // of change request this is.\r | |
1834 | //\r | |
1835 | OldInfoSize = 0;\r | |
1836 | Status = WinNtSimpleFileSystemFileInfo (PrivateFile, &OldInfoSize, NULL);\r | |
1837 | \r | |
1838 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
1839 | Status = EFI_DEVICE_ERROR;\r | |
1840 | goto Done;\r | |
1841 | }\r | |
1842 | \r | |
1843 | OldFileInfo = AllocatePool (OldInfoSize);\r | |
1844 | if (OldFileInfo == NULL) {\r | |
1845 | Status = EFI_OUT_OF_RESOURCES;\r | |
1846 | goto Done;\r | |
1847 | }\r | |
1848 | \r | |
1849 | Status = WinNtSimpleFileSystemFileInfo (PrivateFile, &OldInfoSize, OldFileInfo);\r | |
1850 | \r | |
1851 | if (EFI_ERROR (Status)) {\r | |
1852 | goto Done;\r | |
1853 | }\r | |
1854 | \r | |
1855 | OldFileName = AllocatePool (StrSize (PrivateFile->FileName));\r | |
1856 | if (OldFileName == NULL) {\r | |
1857 | Status = EFI_OUT_OF_RESOURCES;\r | |
1858 | goto Done;\r | |
1859 | }\r | |
1860 | \r | |
1861 | StrCpy (OldFileName, PrivateFile->FileName);\r | |
1862 | \r | |
1863 | //\r | |
1864 | // Make full pathname from new filename and rootpath.\r | |
1865 | //\r | |
1866 | if (NewFileInfo->FileName[0] == '\\') {\r | |
1867 | Size = StrSize (PrivateRoot->FilePath);\r | |
1868 | Size += StrSize (L"\\");\r | |
1869 | Size += StrSize (NewFileInfo->FileName);\r | |
1870 | NewFileName = AllocatePool (Size);\r | |
1871 | if (NewFileName == NULL) {\r | |
1872 | Status = EFI_OUT_OF_RESOURCES;\r | |
1873 | goto Done;\r | |
1874 | }\r | |
1875 | \r | |
1876 | StrCpy (NewFileName, PrivateRoot->FilePath);\r | |
1877 | StrCat (NewFileName, L"\\");\r | |
1878 | StrCat (NewFileName, NewFileInfo->FileName + 1);\r | |
1879 | } else {\r | |
1880 | Size = StrSize (PrivateFile->FilePath);\r | |
1881 | Size += StrSize (L"\\");\r | |
1882 | Size += StrSize (NewFileInfo->FileName);\r | |
1883 | NewFileName = AllocatePool (Size);\r | |
1884 | if (NewFileName == NULL) {\r | |
1885 | Status = EFI_OUT_OF_RESOURCES;\r | |
1886 | goto Done;\r | |
1887 | }\r | |
1888 | \r | |
1889 | StrCpy (NewFileName, PrivateFile->FilePath);\r | |
1890 | StrCat (NewFileName, L"\\");\r | |
1891 | StrCat (NewFileName, NewFileInfo->FileName);\r | |
1892 | }\r | |
1893 | \r | |
1894 | //\r | |
1895 | // Is there an attribute change request?\r | |
1896 | //\r | |
1897 | if (NewFileInfo->Attribute != OldFileInfo->Attribute) {\r | |
1898 | if ((NewFileInfo->Attribute & EFI_FILE_DIRECTORY) != (OldFileInfo->Attribute & EFI_FILE_DIRECTORY)) {\r | |
1899 | Status = EFI_INVALID_PARAMETER;\r | |
1900 | goto Done;\r | |
1901 | }\r | |
1902 | \r | |
1903 | AttrChangeFlag = TRUE;\r | |
1904 | }\r | |
1905 | \r | |
1906 | //\r | |
1907 | // Is there a name change request?\r | |
1908 | // bugbug: - Need EfiStrCaseCmp()\r | |
1909 | //\r | |
1910 | if (StrCmp (NewFileInfo->FileName, OldFileInfo->FileName)) {\r | |
1911 | NameChangeFlag = TRUE;\r | |
1912 | }\r | |
1913 | \r | |
1914 | //\r | |
1915 | // Is there a size change request?\r | |
1916 | //\r | |
1917 | if (NewFileInfo->FileSize != OldFileInfo->FileSize) {\r | |
1918 | SizeChangeFlag = TRUE;\r | |
1919 | }\r | |
1920 | \r | |
1921 | //\r | |
1922 | // Is there a time stamp change request?\r | |
1923 | //\r | |
1924 | if (!IsZero (&NewFileInfo->CreateTime, sizeof (EFI_TIME)) &&\r | |
1925 | CompareMem (&NewFileInfo->CreateTime, &OldFileInfo->CreateTime, sizeof (EFI_TIME))\r | |
1926 | ) {\r | |
1927 | TimeChangeFlag = TRUE;\r | |
1928 | } else if (!IsZero (&NewFileInfo->LastAccessTime, sizeof (EFI_TIME)) &&\r | |
1929 | CompareMem (&NewFileInfo->LastAccessTime, &OldFileInfo->LastAccessTime, sizeof (EFI_TIME))\r | |
1930 | ) {\r | |
1931 | TimeChangeFlag = TRUE;\r | |
1932 | } else if (!IsZero (&NewFileInfo->ModificationTime, sizeof (EFI_TIME)) &&\r | |
1933 | CompareMem (&NewFileInfo->ModificationTime, &OldFileInfo->ModificationTime, sizeof (EFI_TIME))\r | |
1934 | ) {\r | |
1935 | TimeChangeFlag = TRUE;\r | |
1936 | }\r | |
1937 | \r | |
1938 | //\r | |
1939 | // All done if there are no change requests being made.\r | |
1940 | //\r | |
1941 | if (!(AttrChangeFlag || NameChangeFlag || SizeChangeFlag || TimeChangeFlag)) {\r | |
1942 | Status = EFI_SUCCESS;\r | |
1943 | goto Done;\r | |
1944 | }\r | |
1945 | \r | |
1946 | //\r | |
1947 | // Set file or directory information.\r | |
1948 | //\r | |
1949 | OldAttr = GetFileAttributes (OldFileName);\r | |
1950 | \r | |
1951 | //\r | |
1952 | // Name change.\r | |
1953 | //\r | |
1954 | if (NameChangeFlag) {\r | |
1955 | //\r | |
1956 | // Close the handles first\r | |
1957 | //\r | |
1958 | if (PrivateFile->IsOpenedByRead) {\r | |
1959 | Status = EFI_ACCESS_DENIED;\r | |
1960 | goto Done;\r | |
1961 | }\r | |
1962 | \r | |
1963 | for (CharPointer = NewFileName; *CharPointer != 0 && *CharPointer != L'/'; CharPointer++) {\r | |
1964 | }\r | |
1965 | \r | |
1966 | if (*CharPointer != 0) {\r | |
1967 | Status = EFI_ACCESS_DENIED;\r | |
1968 | goto Done;\r | |
1969 | }\r | |
1970 | \r | |
1971 | if (PrivateFile->LHandle != INVALID_HANDLE_VALUE) {\r | |
1972 | if (PrivateFile->IsDirectoryPath) {\r | |
1973 | FindClose (PrivateFile->LHandle);\r | |
1974 | } else {\r | |
1975 | CloseHandle (PrivateFile->LHandle);\r | |
1976 | PrivateFile->LHandle = INVALID_HANDLE_VALUE;\r | |
1977 | }\r | |
1978 | }\r | |
1979 | \r | |
1980 | if (PrivateFile->IsDirectoryPath && PrivateFile->DirHandle != INVALID_HANDLE_VALUE) {\r | |
1981 | CloseHandle (PrivateFile->DirHandle);\r | |
1982 | PrivateFile->DirHandle = INVALID_HANDLE_VALUE;\r | |
1983 | }\r | |
1984 | \r | |
1985 | NtStatus = MoveFile (OldFileName, NewFileName);\r | |
1986 | \r | |
1987 | if (NtStatus) {\r | |
1988 | //\r | |
1989 | // modify file name\r | |
1990 | //\r | |
1991 | FreePool (PrivateFile->FileName);\r | |
1992 | \r | |
1993 | PrivateFile->FileName = AllocatePool (StrSize (NewFileName));\r | |
1994 | if (PrivateFile->FileName == NULL) {\r | |
1995 | Status = EFI_OUT_OF_RESOURCES;\r | |
1996 | goto Done;\r | |
1997 | }\r | |
1998 | \r | |
1999 | StrCpy (PrivateFile->FileName, NewFileName);\r | |
2000 | \r | |
2001 | Size = StrSize (NewFileName);\r | |
2002 | Size += StrSize (L"\\*");\r | |
2003 | TempFileName = AllocatePool (Size);\r | |
2004 | \r | |
2005 | StrCpy (TempFileName, NewFileName);\r | |
2006 | \r | |
2007 | if (!PrivateFile->IsDirectoryPath) {\r | |
2008 | PrivateFile->LHandle = CreateFile (\r | |
2009 | TempFileName,\r | |
2010 | PrivateFile->IsOpenedByRead ? GENERIC_READ : GENERIC_READ | GENERIC_WRITE,\r | |
2011 | FILE_SHARE_READ | FILE_SHARE_WRITE,\r | |
2012 | NULL,\r | |
2013 | OPEN_EXISTING,\r | |
2014 | 0,\r | |
2015 | NULL\r | |
2016 | );\r | |
2017 | \r | |
2018 | FreePool (TempFileName);\r | |
2019 | \r | |
2020 | //\r | |
2021 | // Flush buffers just in case\r | |
2022 | //\r | |
2023 | if (FlushFileBuffers (PrivateFile->LHandle) == 0) {\r | |
2024 | Status = EFI_DEVICE_ERROR;\r | |
2025 | goto Done;\r | |
2026 | }\r | |
2027 | } else {\r | |
2028 | PrivateFile->DirHandle = CreateFile (\r | |
2029 | TempFileName,\r | |
2030 | PrivateFile->IsOpenedByRead ? GENERIC_READ : GENERIC_READ | GENERIC_WRITE,\r | |
2031 | FILE_SHARE_READ | FILE_SHARE_WRITE,\r | |
2032 | NULL,\r | |
2033 | OPEN_EXISTING,\r | |
2034 | FILE_FLAG_BACKUP_SEMANTICS,\r | |
2035 | NULL\r | |
2036 | );\r | |
2037 | \r | |
2038 | StrCat (TempFileName, L"\\*");\r | |
2039 | PrivateFile->LHandle = FindFirstFile (TempFileName, &FindBuf);\r | |
2040 | \r | |
2041 | FreePool (TempFileName);\r | |
2042 | }\r | |
2043 | } else {\r | |
2044 | Status = EFI_ACCESS_DENIED;\r | |
2045 | Reopen:;\r | |
2046 | \r | |
2047 | NtStatus = SetFileAttributes (OldFileName, OldAttr);\r | |
2048 | \r | |
2049 | if (!NtStatus) {\r | |
2050 | goto Done;\r | |
2051 | }\r | |
2052 | \r | |
2053 | Size = StrSize (OldFileName);\r | |
2054 | Size += StrSize (L"\\*");\r | |
2055 | TempFileName = AllocatePool (Size);\r | |
2056 | \r | |
2057 | StrCpy (TempFileName, OldFileName);\r | |
2058 | \r | |
2059 | if (!PrivateFile->IsDirectoryPath) {\r | |
2060 | PrivateFile->LHandle = CreateFile (\r | |
2061 | TempFileName,\r | |
2062 | PrivateFile->IsOpenedByRead ? GENERIC_READ : GENERIC_READ | GENERIC_WRITE,\r | |
2063 | FILE_SHARE_READ | FILE_SHARE_WRITE,\r | |
2064 | NULL,\r | |
2065 | OPEN_EXISTING,\r | |
2066 | 0,\r | |
2067 | NULL\r | |
2068 | );\r | |
2069 | } else {\r | |
2070 | PrivateFile->DirHandle = CreateFile (\r | |
2071 | TempFileName,\r | |
2072 | PrivateFile->IsOpenedByRead ? GENERIC_READ : GENERIC_READ | GENERIC_WRITE,\r | |
2073 | FILE_SHARE_READ | FILE_SHARE_WRITE,\r | |
2074 | NULL,\r | |
2075 | OPEN_EXISTING,\r | |
2076 | FILE_FLAG_BACKUP_SEMANTICS,\r | |
2077 | NULL\r | |
2078 | );\r | |
2079 | \r | |
2080 | StrCat (TempFileName, L"\\*");\r | |
2081 | PrivateFile->LHandle = FindFirstFile (TempFileName, &FindBuf);\r | |
2082 | }\r | |
2083 | \r | |
2084 | FreePool (TempFileName);\r | |
2085 | \r | |
2086 | goto Done;\r | |
2087 | \r | |
2088 | }\r | |
2089 | }\r | |
2090 | \r | |
2091 | //\r | |
2092 | // Size change\r | |
2093 | //\r | |
2094 | if (SizeChangeFlag) {\r | |
2095 | if (PrivateFile->IsDirectoryPath) {\r | |
2096 | Status = EFI_UNSUPPORTED;\r | |
2097 | goto Done;\r | |
2098 | }\r | |
2099 | \r | |
2100 | if (PrivateFile->IsOpenedByRead || OldFileInfo->Attribute & EFI_FILE_READ_ONLY) {\r | |
2101 | Status = EFI_ACCESS_DENIED;\r | |
2102 | goto Done;\r | |
2103 | }\r | |
2104 | \r | |
2105 | Status = This->GetPosition (This, &CurPos);\r | |
2106 | if (EFI_ERROR (Status)) {\r | |
2107 | goto Done;\r | |
2108 | }\r | |
2109 | \r | |
2110 | Status = This->SetPosition (This, NewFileInfo->FileSize);\r | |
2111 | if (EFI_ERROR (Status)) {\r | |
2112 | goto Done;\r | |
2113 | }\r | |
2114 | \r | |
2115 | if (SetEndOfFile (PrivateFile->LHandle) == 0) {\r | |
2116 | Status = EFI_DEVICE_ERROR;\r | |
2117 | goto Done;\r | |
2118 | }\r | |
2119 | \r | |
2120 | Status = This->SetPosition (This, CurPos);\r | |
2121 | if (EFI_ERROR (Status)) {\r | |
2122 | goto Done;\r | |
2123 | }\r | |
2124 | }\r | |
2125 | \r | |
2126 | //\r | |
2127 | // Time change\r | |
2128 | //\r | |
2129 | if (TimeChangeFlag) {\r | |
2130 | \r | |
2131 | NewCreationSystemTime.wYear = NewFileInfo->CreateTime.Year;\r | |
2132 | NewCreationSystemTime.wMonth = NewFileInfo->CreateTime.Month;\r | |
2133 | NewCreationSystemTime.wDay = NewFileInfo->CreateTime.Day;\r | |
2134 | NewCreationSystemTime.wHour = NewFileInfo->CreateTime.Hour;\r | |
2135 | NewCreationSystemTime.wMinute = NewFileInfo->CreateTime.Minute;\r | |
2136 | NewCreationSystemTime.wSecond = NewFileInfo->CreateTime.Second;\r | |
2137 | NewCreationSystemTime.wMilliseconds = 0;\r | |
2138 | \r | |
2139 | if (!SystemTimeToFileTime (\r | |
2140 | &NewCreationSystemTime,\r | |
2141 | &NewCreationFileTime\r | |
2142 | )) {\r | |
2143 | goto Done;\r | |
2144 | }\r | |
2145 | \r | |
2146 | if (!LocalFileTimeToFileTime (\r | |
2147 | &NewCreationFileTime,\r | |
2148 | &NewCreationFileTime\r | |
2149 | )) {\r | |
2150 | goto Done;\r | |
2151 | }\r | |
2152 | \r | |
2153 | NewLastAccessSystemTime.wYear = NewFileInfo->LastAccessTime.Year;\r | |
2154 | NewLastAccessSystemTime.wMonth = NewFileInfo->LastAccessTime.Month;\r | |
2155 | NewLastAccessSystemTime.wDay = NewFileInfo->LastAccessTime.Day;\r | |
2156 | NewLastAccessSystemTime.wHour = NewFileInfo->LastAccessTime.Hour;\r | |
2157 | NewLastAccessSystemTime.wMinute = NewFileInfo->LastAccessTime.Minute;\r | |
2158 | NewLastAccessSystemTime.wSecond = NewFileInfo->LastAccessTime.Second;\r | |
2159 | NewLastAccessSystemTime.wMilliseconds = 0;\r | |
2160 | \r | |
2161 | if (!SystemTimeToFileTime (\r | |
2162 | &NewLastAccessSystemTime,\r | |
2163 | &NewLastAccessFileTime\r | |
2164 | )) {\r | |
2165 | goto Done;\r | |
2166 | }\r | |
2167 | \r | |
2168 | if (!LocalFileTimeToFileTime (\r | |
2169 | &NewLastAccessFileTime,\r | |
2170 | &NewLastAccessFileTime\r | |
2171 | )) {\r | |
2172 | goto Done;\r | |
2173 | }\r | |
2174 | \r | |
2175 | NewLastWriteSystemTime.wYear = NewFileInfo->ModificationTime.Year;\r | |
2176 | NewLastWriteSystemTime.wMonth = NewFileInfo->ModificationTime.Month;\r | |
2177 | NewLastWriteSystemTime.wDay = NewFileInfo->ModificationTime.Day;\r | |
2178 | NewLastWriteSystemTime.wHour = NewFileInfo->ModificationTime.Hour;\r | |
2179 | NewLastWriteSystemTime.wMinute = NewFileInfo->ModificationTime.Minute;\r | |
2180 | NewLastWriteSystemTime.wSecond = NewFileInfo->ModificationTime.Second;\r | |
2181 | NewLastWriteSystemTime.wMilliseconds = 0;\r | |
2182 | \r | |
2183 | if (!SystemTimeToFileTime (\r | |
2184 | &NewLastWriteSystemTime,\r | |
2185 | &NewLastWriteFileTime\r | |
2186 | )) {\r | |
2187 | goto Done;\r | |
2188 | }\r | |
2189 | \r | |
2190 | if (!LocalFileTimeToFileTime (\r | |
2191 | &NewLastWriteFileTime,\r | |
2192 | &NewLastWriteFileTime\r | |
2193 | )) {\r | |
2194 | goto Done;\r | |
2195 | }\r | |
2196 | \r | |
2197 | if (!SetFileTime (\r | |
2198 | PrivateFile->IsDirectoryPath ? PrivateFile->DirHandle : PrivateFile->LHandle,\r | |
2199 | &NewCreationFileTime,\r | |
2200 | &NewLastAccessFileTime,\r | |
2201 | &NewLastWriteFileTime\r | |
2202 | )) {\r | |
2203 | Status = EFI_DEVICE_ERROR;\r | |
2204 | goto Done;\r | |
2205 | }\r | |
2206 | \r | |
2207 | }\r | |
2208 | \r | |
2209 | //\r | |
2210 | // No matter about AttrChangeFlag, Attribute must be set.\r | |
2211 | // Because operation before may cause attribute change.\r | |
2212 | //\r | |
2213 | NewAttr = OldAttr;\r | |
2214 | \r | |
2215 | if (NewFileInfo->Attribute & EFI_FILE_ARCHIVE) {\r | |
2216 | NewAttr |= FILE_ATTRIBUTE_ARCHIVE;\r | |
2217 | } else {\r | |
2218 | NewAttr &= ~FILE_ATTRIBUTE_ARCHIVE;\r | |
2219 | }\r | |
2220 | \r | |
2221 | if (NewFileInfo->Attribute & EFI_FILE_HIDDEN) {\r | |
2222 | NewAttr |= FILE_ATTRIBUTE_HIDDEN;\r | |
2223 | } else {\r | |
2224 | NewAttr &= ~FILE_ATTRIBUTE_HIDDEN;\r | |
2225 | }\r | |
2226 | \r | |
2227 | if (NewFileInfo->Attribute & EFI_FILE_SYSTEM) {\r | |
2228 | NewAttr |= FILE_ATTRIBUTE_SYSTEM;\r | |
2229 | } else {\r | |
2230 | NewAttr &= ~FILE_ATTRIBUTE_SYSTEM;\r | |
2231 | }\r | |
2232 | \r | |
2233 | if (NewFileInfo->Attribute & EFI_FILE_READ_ONLY) {\r | |
2234 | NewAttr |= FILE_ATTRIBUTE_READONLY;\r | |
2235 | } else {\r | |
2236 | NewAttr &= ~FILE_ATTRIBUTE_READONLY;\r | |
2237 | }\r | |
2238 | \r | |
2239 | NtStatus = SetFileAttributes (NewFileName, NewAttr);\r | |
2240 | \r | |
2241 | if (!NtStatus) {\r | |
2242 | Status = EFI_DEVICE_ERROR;\r | |
2243 | goto Reopen;\r | |
2244 | }\r | |
2245 | \r | |
2246 | Done:\r | |
2247 | if (OldFileInfo != NULL) {\r | |
2248 | FreePool (OldFileInfo);\r | |
2249 | }\r | |
2250 | \r | |
2251 | if (OldFileName != NULL) {\r | |
2252 | FreePool (OldFileName);\r | |
2253 | }\r | |
2254 | \r | |
2255 | if (NewFileName != NULL) {\r | |
2256 | FreePool (NewFileName);\r | |
2257 | }\r | |
2258 | \r | |
2259 | return Status;\r | |
2260 | }\r | |
2261 | \r | |
2262 | \r | |
2263 | /**\r | |
2264 | Flush data back for the file handle.\r | |
2265 | \r | |
2266 | @param This Protocol instance pointer.\r | |
2267 | \r | |
2268 | @retval EFI_SUCCESS Data was written.\r | |
2269 | @retval EFI_UNSUPPORTED Writes to Open directory are not supported.\r | |
2270 | @retval EFI_NO_MEDIA The device has no media.\r | |
2271 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
2272 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r | |
2273 | @retval EFI_WRITE_PROTECTED The device is write protected.\r | |
2274 | @retval EFI_ACCESS_DENIED The file was open for read only.\r | |
2275 | @retval EFI_VOLUME_FULL The volume is full.\r | |
2276 | \r | |
2277 | **/\r | |
2278 | EFI_STATUS\r | |
2279 | WinNtFileFlush (\r | |
2280 | IN EFI_FILE_PROTOCOL *This\r | |
2281 | )\r | |
2282 | {\r | |
2283 | BY_HANDLE_FILE_INFORMATION FileInfo;\r | |
2284 | WIN_NT_EFI_FILE_PRIVATE *PrivateFile;\r | |
2285 | EFI_STATUS Status;\r | |
2286 | \r | |
2287 | PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r | |
2288 | \r | |
2289 | if (PrivateFile->LHandle == INVALID_HANDLE_VALUE) {\r | |
2290 | Status = EFI_DEVICE_ERROR;\r | |
2291 | goto Done;\r | |
2292 | }\r | |
2293 | \r | |
2294 | if (PrivateFile->IsDirectoryPath) {\r | |
2295 | Status = EFI_SUCCESS;\r | |
2296 | goto Done;\r | |
2297 | }\r | |
2298 | \r | |
2299 | if (PrivateFile->IsOpenedByRead) {\r | |
2300 | Status = EFI_ACCESS_DENIED;\r | |
2301 | goto Done;\r | |
2302 | }\r | |
2303 | \r | |
2304 | GetFileInformationByHandle (PrivateFile->LHandle, &FileInfo);\r | |
2305 | \r | |
2306 | if (FileInfo.dwFileAttributes & FILE_ATTRIBUTE_READONLY) {\r | |
2307 | Status = EFI_ACCESS_DENIED;\r | |
2308 | goto Done;\r | |
2309 | }\r | |
2310 | \r | |
2311 | Status = FlushFileBuffers (PrivateFile->LHandle) ? EFI_SUCCESS : EFI_DEVICE_ERROR;\r | |
2312 | \r | |
2313 | Done:\r | |
2314 | return Status;\r | |
2315 | //\r | |
2316 | // bugbug: - Use Windows error reporting.\r | |
2317 | //\r | |
2318 | \r | |
2319 | }\r | |
2320 | \r | |
2321 | \r | |
2322 | \r | |
2323 | EFI_STATUS\r | |
2324 | WinNtFileSystmeThunkOpen (\r | |
2325 | IN EMU_IO_THUNK_PROTOCOL *This\r | |
2326 | )\r | |
2327 | {\r | |
2328 | WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE *Private;\r | |
2329 | \r | |
2330 | Private = AllocateZeroPool (sizeof (*Private));\r | |
2331 | if (Private == NULL) {\r | |
2332 | return EFI_OUT_OF_RESOURCES;\r | |
2333 | }\r | |
2334 | \r | |
2335 | Private->FilePath = AllocateCopyPool (StrSize (This->ConfigString), This->ConfigString);\r | |
2336 | if (Private->FilePath == NULL) {\r | |
2337 | FreePool (Private);\r | |
2338 | return EFI_OUT_OF_RESOURCES;\r | |
2339 | }\r | |
2340 | \r | |
2341 | Private->VolumeLabel = AllocateCopyPool (StrSize (L"EFI_EMULATED"), L"EFI_EMULATED");\r | |
2342 | if (Private->VolumeLabel == NULL) {\r | |
2343 | FreePool (Private->FilePath);\r | |
2344 | FreePool (Private);\r | |
2345 | return EFI_OUT_OF_RESOURCES;\r | |
2346 | }\r | |
2347 | \r | |
2348 | Private->Signature = WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE_SIGNATURE;\r | |
2349 | Private->Thunk = This;\r | |
2350 | CopyMem (&Private->SimpleFileSystem, &gWinNtFileSystemProtocol, sizeof (Private->SimpleFileSystem));\r | |
2351 | \r | |
2352 | This->Interface = &Private->SimpleFileSystem;\r | |
2353 | This->Private = Private;\r | |
2354 | return EFI_SUCCESS;\r | |
2355 | }\r | |
2356 | \r | |
2357 | \r | |
2358 | EFI_STATUS\r | |
2359 | WinNtFileSystmeThunkClose (\r | |
2360 | IN EMU_IO_THUNK_PROTOCOL *This\r | |
2361 | )\r | |
2362 | {\r | |
2363 | WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE *Private;\r | |
2364 | \r | |
2365 | Private = This->Private;\r | |
2366 | ASSERT (Private != NULL);\r | |
2367 | \r | |
2368 | if (Private->VolumeLabel != NULL) {\r | |
2369 | FreePool (Private->VolumeLabel);\r | |
2370 | }\r | |
2371 | if (Private->FilePath != NULL) {\r | |
2372 | FreePool (Private->FilePath);\r | |
2373 | }\r | |
2374 | FreePool (Private);\r | |
2375 | return EFI_SUCCESS;\r | |
2376 | }\r | |
2377 | \r | |
2378 | \r | |
2379 | EFI_FILE_PROTOCOL gWinNtFileProtocol = {\r | |
2380 | EFI_FILE_REVISION,\r | |
2381 | WinNtFileOpen,\r | |
2382 | WinNtFileClose,\r | |
2383 | WinNtFileDelete,\r | |
2384 | WinNtFileRead,\r | |
2385 | WinNtFileWrite,\r | |
2386 | WinNtFileGetPossition,\r | |
2387 | WinNtFileSetPossition,\r | |
2388 | WinNtFileGetInfo,\r | |
2389 | WinNtFileSetInfo,\r | |
2390 | WinNtFileFlush\r | |
2391 | };\r | |
2392 | \r | |
2393 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL gWinNtFileSystemProtocol = {\r | |
2394 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION,\r | |
2395 | WinNtOpenVolume\r | |
2396 | };\r | |
2397 | \r | |
2398 | \r | |
2399 | EMU_IO_THUNK_PROTOCOL mWinNtFileSystemThunkIo = {\r | |
2400 | &gEfiSimpleFileSystemProtocolGuid,\r | |
2401 | NULL,\r | |
2402 | NULL,\r | |
2403 | 0,\r | |
2404 | WinNtFileSystmeThunkOpen,\r | |
2405 | WinNtFileSystmeThunkClose,\r | |
2406 | NULL\r | |
2407 | };\r | |
2408 | \r | |
2409 | \r |