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Commit | Line | Data |
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79e4f2a5 RN |
1 | /*++ @file\r |
2 | POSIX Pthreads to emulate APs and implement threads\r | |
3 | \r | |
4 | Copyright (c) 2011, Apple Inc. All rights reserved.\r | |
70565e64 | 5 | Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>\r |
e3ba31da | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
79e4f2a5 RN |
7 | \r |
8 | \r | |
9 | **/\r | |
10 | \r | |
11 | #include "Host.h"\r | |
12 | \r | |
a550d468 | 13 | #define EMU_SIMPLE_FILE_SYSTEM_PRIVATE_SIGNATURE SIGNATURE_32 ('E', 'P', 'f', 's')\r |
79e4f2a5 RN |
14 | \r |
15 | typedef struct {\r | |
a550d468 MK |
16 | UINTN Signature;\r |
17 | EMU_IO_THUNK_PROTOCOL *Thunk;\r | |
18 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL SimpleFileSystem;\r | |
19 | CHAR8 *FilePath;\r | |
20 | CHAR16 *VolumeLabel;\r | |
21 | BOOLEAN FileHandlesOpen;\r | |
79e4f2a5 RN |
22 | } EMU_SIMPLE_FILE_SYSTEM_PRIVATE;\r |
23 | \r | |
24 | #define EMU_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS(a) \\r | |
25 | CR (a, \\r | |
26 | EMU_SIMPLE_FILE_SYSTEM_PRIVATE, \\r | |
27 | SimpleFileSystem, \\r | |
28 | EMU_SIMPLE_FILE_SYSTEM_PRIVATE_SIGNATURE \\r | |
29 | )\r | |
30 | \r | |
a550d468 | 31 | #define EMU_EFI_FILE_PRIVATE_SIGNATURE SIGNATURE_32 ('E', 'P', 'f', 'i')\r |
79e4f2a5 RN |
32 | \r |
33 | typedef struct {\r | |
a550d468 MK |
34 | UINTN Signature;\r |
35 | EMU_IO_THUNK_PROTOCOL *Thunk;\r | |
36 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *SimpleFileSystem;\r | |
37 | EFI_FILE_PROTOCOL EfiFile;\r | |
38 | int fd;\r | |
39 | DIR *Dir;\r | |
40 | BOOLEAN IsRootDirectory;\r | |
41 | BOOLEAN IsDirectoryPath;\r | |
42 | BOOLEAN IsOpenedByRead;\r | |
43 | char *FileName;\r | |
44 | struct dirent *Dirent;\r | |
79e4f2a5 RN |
45 | } EMU_EFI_FILE_PRIVATE;\r |
46 | \r | |
47 | #define EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS(a) \\r | |
48 | CR (a, \\r | |
49 | EMU_EFI_FILE_PRIVATE, \\r | |
50 | EfiFile, \\r | |
51 | EMU_EFI_FILE_PRIVATE_SIGNATURE \\r | |
52 | )\r | |
53 | \r | |
54 | EFI_STATUS\r | |
55 | PosixFileGetInfo (\r | |
a550d468 MK |
56 | IN EFI_FILE_PROTOCOL *This,\r |
57 | IN EFI_GUID *InformationType,\r | |
58 | IN OUT UINTN *BufferSize,\r | |
59 | OUT VOID *Buffer\r | |
79e4f2a5 RN |
60 | );\r |
61 | \r | |
62 | EFI_STATUS\r | |
63 | PosixFileSetInfo (\r | |
a550d468 MK |
64 | IN EFI_FILE_PROTOCOL *This,\r |
65 | IN EFI_GUID *InformationType,\r | |
66 | IN UINTN BufferSize,\r | |
67 | IN VOID *Buffer\r | |
79e4f2a5 RN |
68 | );\r |
69 | \r | |
a550d468 | 70 | EFI_FILE_PROTOCOL gPosixFileProtocol = {\r |
79e4f2a5 RN |
71 | EFI_FILE_REVISION,\r |
72 | GasketPosixFileOpen,\r | |
73 | GasketPosixFileCLose,\r | |
74 | GasketPosixFileDelete,\r | |
75 | GasketPosixFileRead,\r | |
76 | GasketPosixFileWrite,\r | |
77 | GasketPosixFileGetPossition,\r | |
78 | GasketPosixFileSetPossition,\r | |
79 | GasketPosixFileGetInfo,\r | |
80 | GasketPosixFileSetInfo,\r | |
81 | GasketPosixFileFlush\r | |
82 | };\r | |
83 | \r | |
a550d468 | 84 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL gPosixFileSystemProtocol = {\r |
79e4f2a5 RN |
85 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION,\r |
86 | GasketPosixOpenVolume,\r | |
87 | };\r | |
88 | \r | |
79e4f2a5 RN |
89 | /**\r |
90 | Open the root directory on a volume.\r | |
91 | \r | |
92 | @param This Protocol instance pointer.\r | |
93 | @param Root Returns an Open file handle for the root directory\r | |
94 | \r | |
95 | @retval EFI_SUCCESS The device was opened.\r | |
96 | @retval EFI_UNSUPPORTED This volume does not support the file system.\r | |
97 | @retval EFI_NO_MEDIA The device has no media.\r | |
98 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
99 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r | |
100 | @retval EFI_ACCESS_DENIED The service denied access to the file.\r | |
101 | @retval EFI_OUT_OF_RESOURCES The volume was not opened due to lack of resources.\r | |
102 | \r | |
103 | **/\r | |
104 | EFI_STATUS\r | |
105 | PosixOpenVolume (\r | |
a550d468 MK |
106 | IN EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *This,\r |
107 | OUT EFI_FILE_PROTOCOL **Root\r | |
79e4f2a5 RN |
108 | )\r |
109 | {\r | |
a550d468 MK |
110 | EFI_STATUS Status;\r |
111 | EMU_SIMPLE_FILE_SYSTEM_PRIVATE *Private;\r | |
112 | EMU_EFI_FILE_PRIVATE *PrivateFile;\r | |
79e4f2a5 | 113 | \r |
a550d468 | 114 | Private = EMU_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (This);\r |
79e4f2a5 | 115 | \r |
a550d468 | 116 | Status = EFI_OUT_OF_RESOURCES;\r |
79e4f2a5 RN |
117 | PrivateFile = malloc (sizeof (EMU_EFI_FILE_PRIVATE));\r |
118 | if (PrivateFile == NULL) {\r | |
119 | goto Done;\r | |
120 | }\r | |
121 | \r | |
122 | PrivateFile->FileName = malloc (AsciiStrSize (Private->FilePath));\r | |
123 | if (PrivateFile->FileName == NULL) {\r | |
124 | goto Done;\r | |
125 | }\r | |
a550d468 | 126 | \r |
9e3ab94d MK |
127 | AsciiStrCpyS (\r |
128 | PrivateFile->FileName,\r | |
129 | AsciiStrSize (Private->FilePath),\r | |
130 | Private->FilePath\r | |
131 | );\r | |
79e4f2a5 | 132 | \r |
a550d468 MK |
133 | PrivateFile->Signature = EMU_EFI_FILE_PRIVATE_SIGNATURE;\r |
134 | PrivateFile->Thunk = Private->Thunk;\r | |
135 | PrivateFile->SimpleFileSystem = This;\r | |
136 | PrivateFile->IsRootDirectory = TRUE;\r | |
137 | PrivateFile->IsDirectoryPath = TRUE;\r | |
138 | PrivateFile->IsOpenedByRead = TRUE;\r | |
79e4f2a5 RN |
139 | \r |
140 | CopyMem (&PrivateFile->EfiFile, &gPosixFileProtocol, sizeof (EFI_FILE_PROTOCOL));\r | |
141 | \r | |
a550d468 MK |
142 | PrivateFile->fd = -1;\r |
143 | PrivateFile->Dir = NULL;\r | |
144 | PrivateFile->Dirent = NULL;\r | |
79e4f2a5 RN |
145 | \r |
146 | *Root = &PrivateFile->EfiFile;\r | |
147 | \r | |
148 | PrivateFile->Dir = opendir (PrivateFile->FileName);\r | |
149 | if (PrivateFile->Dir == NULL) {\r | |
150 | Status = EFI_ACCESS_DENIED;\r | |
151 | } else {\r | |
152 | Status = EFI_SUCCESS;\r | |
153 | }\r | |
154 | \r | |
155 | Done:\r | |
156 | if (EFI_ERROR (Status)) {\r | |
157 | if (PrivateFile != NULL) {\r | |
158 | if (PrivateFile->FileName != NULL) {\r | |
159 | free (PrivateFile->FileName);\r | |
160 | }\r | |
161 | \r | |
162 | free (PrivateFile);\r | |
163 | }\r | |
164 | \r | |
165 | *Root = NULL;\r | |
166 | }\r | |
167 | \r | |
168 | return Status;\r | |
169 | }\r | |
170 | \r | |
79e4f2a5 | 171 | EFI_STATUS\r |
a550d468 MK |
172 | ErrnoToEfiStatus (\r |
173 | )\r | |
79e4f2a5 RN |
174 | {\r |
175 | switch (errno) {\r | |
a550d468 MK |
176 | case EACCES:\r |
177 | return EFI_ACCESS_DENIED;\r | |
79e4f2a5 | 178 | \r |
a550d468 MK |
179 | case EDQUOT:\r |
180 | case ENOSPC:\r | |
181 | return EFI_VOLUME_FULL;\r | |
79e4f2a5 | 182 | \r |
a550d468 MK |
183 | default:\r |
184 | return EFI_DEVICE_ERROR;\r | |
79e4f2a5 RN |
185 | }\r |
186 | }\r | |
187 | \r | |
188 | VOID\r | |
189 | CutPrefix (\r | |
190 | IN CHAR8 *Str,\r | |
a550d468 | 191 | IN UINTN Count\r |
79e4f2a5 RN |
192 | )\r |
193 | {\r | |
194 | CHAR8 *Pointer;\r | |
195 | \r | |
196 | if (AsciiStrLen (Str) < Count) {\r | |
197 | ASSERT (0);\r | |
198 | }\r | |
199 | \r | |
200 | for (Pointer = Str; *(Pointer + Count); Pointer++) {\r | |
201 | *Pointer = *(Pointer + Count);\r | |
202 | }\r | |
203 | \r | |
204 | *Pointer = *(Pointer + Count);\r | |
205 | }\r | |
206 | \r | |
79e4f2a5 RN |
207 | VOID\r |
208 | PosixSystemTimeToEfiTime (\r | |
a550d468 MK |
209 | IN time_t SystemTime,\r |
210 | OUT EFI_TIME *Time\r | |
79e4f2a5 RN |
211 | )\r |
212 | {\r | |
a550d468 MK |
213 | struct tm *tm;\r |
214 | \r | |
215 | tm = gmtime (&SystemTime);\r | |
216 | Time->Year = tm->tm_year;\r | |
217 | Time->Month = tm->tm_mon + 1;\r | |
218 | Time->Day = tm->tm_mday;\r | |
219 | Time->Hour = tm->tm_hour;\r | |
220 | Time->Minute = tm->tm_min;\r | |
221 | Time->Second = tm->tm_sec;\r | |
79e4f2a5 RN |
222 | Time->Nanosecond = 0;\r |
223 | \r | |
70565e64 | 224 | Time->TimeZone = timezone / 60;\r |
79e4f2a5 RN |
225 | Time->Daylight = (daylight ? EFI_TIME_ADJUST_DAYLIGHT : 0) | (tm->tm_isdst > 0 ? EFI_TIME_IN_DAYLIGHT : 0);\r |
226 | }\r | |
227 | \r | |
79e4f2a5 RN |
228 | EFI_STATUS\r |
229 | UnixSimpleFileSystemFileInfo (\r | |
a550d468 MK |
230 | EMU_EFI_FILE_PRIVATE *PrivateFile,\r |
231 | IN CHAR8 *FileName,\r | |
232 | IN OUT UINTN *BufferSize,\r | |
233 | OUT VOID *Buffer\r | |
79e4f2a5 RN |
234 | )\r |
235 | {\r | |
a550d468 MK |
236 | EFI_STATUS Status;\r |
237 | UINTN Size;\r | |
238 | UINTN NameSize;\r | |
239 | UINTN ResultSize;\r | |
240 | EFI_FILE_INFO *Info;\r | |
241 | CHAR8 *RealFileName;\r | |
242 | CHAR8 *TempPointer;\r | |
243 | CHAR16 *BufferFileName;\r | |
244 | struct stat buf;\r | |
79e4f2a5 RN |
245 | \r |
246 | if (FileName != NULL) {\r | |
247 | RealFileName = FileName;\r | |
248 | } else if (PrivateFile->IsRootDirectory) {\r | |
249 | RealFileName = "";\r | |
250 | } else {\r | |
a550d468 | 251 | RealFileName = PrivateFile->FileName;\r |
79e4f2a5 RN |
252 | }\r |
253 | \r | |
254 | TempPointer = RealFileName;\r | |
255 | while (*TempPointer) {\r | |
256 | if (*TempPointer == '/') {\r | |
257 | RealFileName = TempPointer + 1;\r | |
258 | }\r | |
259 | \r | |
260 | TempPointer++;\r | |
261 | }\r | |
262 | \r | |
a550d468 MK |
263 | Size = SIZE_OF_EFI_FILE_INFO;\r |
264 | NameSize = AsciiStrSize (RealFileName) * 2;\r | |
265 | ResultSize = Size + NameSize;\r | |
79e4f2a5 RN |
266 | \r |
267 | if (*BufferSize < ResultSize) {\r | |
268 | *BufferSize = ResultSize;\r | |
269 | return EFI_BUFFER_TOO_SMALL;\r | |
270 | }\r | |
a550d468 MK |
271 | \r |
272 | if (stat ((FileName == NULL) ? PrivateFile->FileName : FileName, &buf) < 0) {\r | |
79e4f2a5 RN |
273 | return EFI_DEVICE_ERROR;\r |
274 | }\r | |
275 | \r | |
a550d468 | 276 | Status = EFI_SUCCESS;\r |
79e4f2a5 | 277 | \r |
a550d468 | 278 | Info = Buffer;\r |
79e4f2a5 RN |
279 | ZeroMem (Info, ResultSize);\r |
280 | \r | |
a550d468 MK |
281 | Info->Size = ResultSize;\r |
282 | Info->FileSize = buf.st_size;\r | |
283 | Info->PhysicalSize = MultU64x32 (buf.st_blocks, buf.st_blksize);\r | |
79e4f2a5 RN |
284 | \r |
285 | PosixSystemTimeToEfiTime (buf.st_ctime, &Info->CreateTime);\r | |
286 | PosixSystemTimeToEfiTime (buf.st_atime, &Info->LastAccessTime);\r | |
287 | PosixSystemTimeToEfiTime (buf.st_mtime, &Info->ModificationTime);\r | |
288 | \r | |
289 | if (!(buf.st_mode & S_IWUSR)) {\r | |
290 | Info->Attribute |= EFI_FILE_READ_ONLY;\r | |
291 | }\r | |
292 | \r | |
a550d468 | 293 | if (S_ISDIR (buf.st_mode)) {\r |
79e4f2a5 RN |
294 | Info->Attribute |= EFI_FILE_DIRECTORY;\r |
295 | }\r | |
296 | \r | |
a550d468 | 297 | BufferFileName = (CHAR16 *)((CHAR8 *)Buffer + Size);\r |
79e4f2a5 RN |
298 | while (*RealFileName) {\r |
299 | *BufferFileName++ = *RealFileName++;\r | |
300 | }\r | |
a550d468 | 301 | \r |
79e4f2a5 RN |
302 | *BufferFileName = 0;\r |
303 | \r | |
304 | *BufferSize = ResultSize;\r | |
305 | return Status;\r | |
306 | }\r | |
307 | \r | |
308 | BOOLEAN\r | |
309 | IsZero (\r | |
310 | IN VOID *Buffer,\r | |
311 | IN UINTN Length\r | |
312 | )\r | |
313 | {\r | |
a550d468 | 314 | if ((Buffer == NULL) || (Length == 0)) {\r |
79e4f2a5 RN |
315 | return FALSE;\r |
316 | }\r | |
317 | \r | |
a550d468 | 318 | if (*(UINT8 *)Buffer != 0) {\r |
79e4f2a5 RN |
319 | return FALSE;\r |
320 | }\r | |
321 | \r | |
322 | if (Length > 1) {\r | |
a550d468 | 323 | if (!CompareMem (Buffer, (UINT8 *)Buffer + 1, Length - 1)) {\r |
79e4f2a5 RN |
324 | return FALSE;\r |
325 | }\r | |
326 | }\r | |
327 | \r | |
328 | return TRUE;\r | |
329 | }\r | |
330 | \r | |
79e4f2a5 RN |
331 | /**\r |
332 | Opens a new file relative to the source file's location.\r | |
333 | \r | |
334 | @param This The protocol instance pointer.\r | |
335 | @param NewHandle Returns File Handle for FileName.\r | |
336 | @param FileName Null terminated string. "\", ".", and ".." are supported.\r | |
337 | @param OpenMode Open mode for file.\r | |
338 | @param Attributes Only used for EFI_FILE_MODE_CREATE.\r | |
339 | \r | |
340 | @retval EFI_SUCCESS The device was opened.\r | |
341 | @retval EFI_NOT_FOUND The specified file could not be found on the device.\r | |
342 | @retval EFI_NO_MEDIA The device has no media.\r | |
343 | @retval EFI_MEDIA_CHANGED The media has changed.\r | |
344 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
345 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r | |
346 | @retval EFI_ACCESS_DENIED The service denied access to the file.\r | |
347 | @retval EFI_OUT_OF_RESOURCES The volume was not opened due to lack of resources.\r | |
348 | @retval EFI_VOLUME_FULL The volume is full.\r | |
349 | \r | |
350 | **/\r | |
351 | EFI_STATUS\r | |
352 | PosixFileOpen (\r | |
a550d468 MK |
353 | IN EFI_FILE_PROTOCOL *This,\r |
354 | OUT EFI_FILE_PROTOCOL **NewHandle,\r | |
355 | IN CHAR16 *FileName,\r | |
356 | IN UINT64 OpenMode,\r | |
357 | IN UINT64 Attributes\r | |
79e4f2a5 RN |
358 | )\r |
359 | {\r | |
a550d468 MK |
360 | EFI_FILE_PROTOCOL *Root;\r |
361 | EMU_EFI_FILE_PRIVATE *PrivateFile;\r | |
362 | EMU_EFI_FILE_PRIVATE *NewPrivateFile;\r | |
363 | EMU_SIMPLE_FILE_SYSTEM_PRIVATE *PrivateRoot;\r | |
364 | EFI_STATUS Status;\r | |
365 | CHAR16 *Src;\r | |
366 | char *Dst;\r | |
367 | CHAR8 *RealFileName;\r | |
368 | char *ParseFileName;\r | |
369 | char *GuardPointer;\r | |
370 | CHAR8 TempChar;\r | |
371 | UINTN Count;\r | |
372 | BOOLEAN TrailingDash;\r | |
373 | BOOLEAN LoopFinish;\r | |
374 | UINTN InfoSize;\r | |
375 | EFI_FILE_INFO *Info;\r | |
376 | struct stat finfo;\r | |
377 | int res;\r | |
378 | UINTN Size;\r | |
379 | \r | |
380 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r | |
381 | PrivateRoot = EMU_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile->SimpleFileSystem);\r | |
382 | NewPrivateFile = NULL;\r | |
383 | Status = EFI_OUT_OF_RESOURCES;\r | |
79e4f2a5 RN |
384 | \r |
385 | //\r | |
386 | // BUGBUG: assume an open of root\r | |
387 | // if current location, return current data\r | |
388 | //\r | |
389 | TrailingDash = FALSE;\r | |
390 | if ((StrCmp (FileName, L"\\") == 0) ||\r | |
a550d468 MK |
391 | ((StrCmp (FileName, L".") == 0) && PrivateFile->IsRootDirectory))\r |
392 | {\r | |
79e4f2a5 | 393 | OpenRoot:\r |
a550d468 MK |
394 | Status = PosixOpenVolume (PrivateFile->SimpleFileSystem, &Root);\r |
395 | NewPrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (Root);\r | |
79e4f2a5 RN |
396 | goto Done;\r |
397 | }\r | |
398 | \r | |
399 | if (FileName[StrLen (FileName) - 1] == L'\\') {\r | |
a550d468 MK |
400 | TrailingDash = TRUE;\r |
401 | FileName[StrLen (FileName) - 1] = 0;\r | |
79e4f2a5 RN |
402 | }\r |
403 | \r | |
404 | //\r | |
405 | // Attempt to open the file\r | |
406 | //\r | |
407 | NewPrivateFile = malloc (sizeof (EMU_EFI_FILE_PRIVATE));\r | |
408 | if (NewPrivateFile == NULL) {\r | |
409 | goto Done;\r | |
410 | }\r | |
411 | \r | |
412 | CopyMem (NewPrivateFile, PrivateFile, sizeof (EMU_EFI_FILE_PRIVATE));\r | |
413 | \r | |
a550d468 | 414 | Size = AsciiStrSize (PrivateFile->FileName) + 1 + StrLen (FileName) + 1;\r |
9e3ab94d | 415 | NewPrivateFile->FileName = malloc (Size);\r |
79e4f2a5 RN |
416 | if (NewPrivateFile->FileName == NULL) {\r |
417 | goto Done;\r | |
418 | }\r | |
419 | \r | |
420 | if (*FileName == L'\\') {\r | |
9e3ab94d | 421 | AsciiStrCpyS (NewPrivateFile->FileName, Size, PrivateRoot->FilePath);\r |
79e4f2a5 RN |
422 | // Skip first '\'.\r |
423 | Src = FileName + 1;\r | |
424 | } else {\r | |
9e3ab94d | 425 | AsciiStrCpyS (NewPrivateFile->FileName, Size, PrivateFile->FileName);\r |
79e4f2a5 RN |
426 | Src = FileName;\r |
427 | }\r | |
a550d468 MK |
428 | \r |
429 | Dst = NewPrivateFile->FileName + AsciiStrLen (NewPrivateFile->FileName);\r | |
79e4f2a5 | 430 | GuardPointer = NewPrivateFile->FileName + AsciiStrLen (PrivateRoot->FilePath);\r |
a550d468 | 431 | *Dst++ = '/';\r |
79e4f2a5 RN |
432 | // Convert unicode to ascii and '\' to '/'\r |
433 | while (*Src) {\r | |
434 | if (*Src == '\\') {\r | |
435 | *Dst++ = '/';\r | |
436 | } else {\r | |
437 | *Dst++ = *Src;\r | |
438 | }\r | |
a550d468 | 439 | \r |
79e4f2a5 RN |
440 | Src++;\r |
441 | }\r | |
79e4f2a5 | 442 | \r |
a550d468 | 443 | *Dst = 0;\r |
79e4f2a5 RN |
444 | \r |
445 | //\r | |
446 | // Get rid of . and .., except leading . or ..\r | |
447 | //\r | |
448 | \r | |
449 | //\r | |
450 | // GuardPointer protect simplefilesystem root path not be destroyed\r | |
451 | //\r | |
452 | \r | |
a550d468 | 453 | LoopFinish = FALSE;\r |
79e4f2a5 RN |
454 | while (!LoopFinish) {\r |
455 | LoopFinish = TRUE;\r | |
456 | \r | |
457 | for (ParseFileName = GuardPointer; *ParseFileName; ParseFileName++) {\r | |
a550d468 MK |
458 | if ((*ParseFileName == '.') &&\r |
459 | ((*(ParseFileName + 1) == 0) || (*(ParseFileName + 1) == '/')) &&\r | |
460 | (*(ParseFileName - 1) == '/')\r | |
461 | )\r | |
462 | {\r | |
79e4f2a5 RN |
463 | //\r |
464 | // cut /.\r | |
465 | //\r | |
466 | CutPrefix (ParseFileName - 1, 2);\r | |
467 | LoopFinish = FALSE;\r | |
468 | break;\r | |
469 | }\r | |
470 | \r | |
a550d468 MK |
471 | if ((*ParseFileName == '.') &&\r |
472 | (*(ParseFileName + 1) == '.') &&\r | |
473 | ((*(ParseFileName + 2) == 0) || (*(ParseFileName + 2) == '/')) &&\r | |
474 | (*(ParseFileName - 1) == '/')\r | |
475 | )\r | |
476 | {\r | |
79e4f2a5 RN |
477 | ParseFileName--;\r |
478 | Count = 3;\r | |
479 | \r | |
480 | while (ParseFileName != GuardPointer) {\r | |
481 | ParseFileName--;\r | |
482 | Count++;\r | |
483 | if (*ParseFileName == '/') {\r | |
484 | break;\r | |
485 | }\r | |
486 | }\r | |
487 | \r | |
488 | //\r | |
489 | // cut /.. and its left directory\r | |
490 | //\r | |
491 | CutPrefix (ParseFileName, Count);\r | |
492 | LoopFinish = FALSE;\r | |
493 | break;\r | |
494 | }\r | |
495 | }\r | |
496 | }\r | |
497 | \r | |
498 | if (AsciiStrCmp (NewPrivateFile->FileName, PrivateRoot->FilePath) == 0) {\r | |
499 | NewPrivateFile->IsRootDirectory = TRUE;\r | |
500 | free (NewPrivateFile->FileName);\r | |
501 | free (NewPrivateFile);\r | |
502 | goto OpenRoot;\r | |
503 | }\r | |
504 | \r | |
a550d468 | 505 | RealFileName = NewPrivateFile->FileName + AsciiStrLen (NewPrivateFile->FileName) - 1;\r |
79e4f2a5 RN |
506 | while (RealFileName > NewPrivateFile->FileName && *RealFileName != '/') {\r |
507 | RealFileName--;\r | |
508 | }\r | |
509 | \r | |
510 | TempChar = *(RealFileName - 1);\r | |
511 | *(RealFileName - 1) = 0;\r | |
512 | *(RealFileName - 1) = TempChar;\r | |
513 | \r | |
79e4f2a5 RN |
514 | //\r |
515 | // Test whether file or directory\r | |
516 | //\r | |
517 | NewPrivateFile->IsRootDirectory = FALSE;\r | |
a550d468 MK |
518 | NewPrivateFile->fd = -1;\r |
519 | NewPrivateFile->Dir = NULL;\r | |
79e4f2a5 RN |
520 | if (OpenMode & EFI_FILE_MODE_CREATE) {\r |
521 | if (Attributes & EFI_FILE_DIRECTORY) {\r | |
522 | NewPrivateFile->IsDirectoryPath = TRUE;\r | |
523 | } else {\r | |
524 | NewPrivateFile->IsDirectoryPath = FALSE;\r | |
525 | }\r | |
526 | } else {\r | |
527 | res = stat (NewPrivateFile->FileName, &finfo);\r | |
a550d468 | 528 | if ((res == 0) && S_ISDIR (finfo.st_mode)) {\r |
79e4f2a5 RN |
529 | NewPrivateFile->IsDirectoryPath = TRUE;\r |
530 | } else {\r | |
531 | NewPrivateFile->IsDirectoryPath = FALSE;\r | |
532 | }\r | |
533 | }\r | |
534 | \r | |
535 | if (OpenMode & EFI_FILE_MODE_WRITE) {\r | |
536 | NewPrivateFile->IsOpenedByRead = FALSE;\r | |
537 | } else {\r | |
538 | NewPrivateFile->IsOpenedByRead = TRUE;\r | |
539 | }\r | |
540 | \r | |
541 | Status = EFI_SUCCESS;\r | |
542 | \r | |
543 | //\r | |
544 | // deal with directory\r | |
545 | //\r | |
546 | if (NewPrivateFile->IsDirectoryPath) {\r | |
547 | if ((OpenMode & EFI_FILE_MODE_CREATE)) {\r | |
548 | //\r | |
549 | // Create a directory\r | |
550 | //\r | |
551 | if (mkdir (NewPrivateFile->FileName, 0777) != 0) {\r | |
552 | if (errno != EEXIST) {\r | |
a550d468 | 553 | // free (TempFileName);\r |
79e4f2a5 RN |
554 | Status = EFI_ACCESS_DENIED;\r |
555 | goto Done;\r | |
556 | }\r | |
557 | }\r | |
558 | }\r | |
559 | \r | |
560 | NewPrivateFile->Dir = opendir (NewPrivateFile->FileName);\r | |
561 | if (NewPrivateFile->Dir == NULL) {\r | |
562 | if (errno == EACCES) {\r | |
563 | Status = EFI_ACCESS_DENIED;\r | |
564 | } else {\r | |
565 | Status = EFI_NOT_FOUND;\r | |
566 | }\r | |
567 | \r | |
568 | goto Done;\r | |
569 | }\r | |
79e4f2a5 RN |
570 | } else {\r |
571 | //\r | |
572 | // deal with file\r | |
573 | //\r | |
574 | NewPrivateFile->fd = open (\r | |
a550d468 MK |
575 | NewPrivateFile->FileName,\r |
576 | ((OpenMode & EFI_FILE_MODE_CREATE) ? O_CREAT : 0) | (NewPrivateFile->IsOpenedByRead ? O_RDONLY : O_RDWR),\r | |
577 | 0666\r | |
578 | );\r | |
79e4f2a5 RN |
579 | if (NewPrivateFile->fd < 0) {\r |
580 | if (errno == ENOENT) {\r | |
581 | Status = EFI_NOT_FOUND;\r | |
582 | } else {\r | |
583 | Status = EFI_ACCESS_DENIED;\r | |
584 | }\r | |
585 | }\r | |
586 | }\r | |
587 | \r | |
a550d468 | 588 | if ((OpenMode & EFI_FILE_MODE_CREATE) && (Status == EFI_SUCCESS)) {\r |
79e4f2a5 RN |
589 | //\r |
590 | // Set the attribute\r | |
591 | //\r | |
a550d468 MK |
592 | InfoSize = 0;\r |
593 | Info = NULL;\r | |
594 | Status = PosixFileGetInfo (&NewPrivateFile->EfiFile, &gEfiFileInfoGuid, &InfoSize, Info);\r | |
79e4f2a5 RN |
595 | if (Status != EFI_BUFFER_TOO_SMALL) {\r |
596 | Status = EFI_DEVICE_ERROR;\r | |
597 | goto Done;\r | |
598 | }\r | |
599 | \r | |
600 | Info = malloc (InfoSize);\r | |
601 | if (Info == NULL) {\r | |
602 | goto Done;\r | |
603 | }\r | |
604 | \r | |
605 | Status = PosixFileGetInfo (&NewPrivateFile->EfiFile, &gEfiFileInfoGuid, &InfoSize, Info);\r | |
606 | if (EFI_ERROR (Status)) {\r | |
607 | goto Done;\r | |
608 | }\r | |
609 | \r | |
610 | Info->Attribute = Attributes;\r | |
611 | PosixFileSetInfo (&NewPrivateFile->EfiFile, &gEfiFileInfoGuid, InfoSize, Info);\r | |
612 | \r | |
613 | free (Info);\r | |
614 | }\r | |
615 | \r | |
a550d468 | 616 | Done:;\r |
79e4f2a5 | 617 | if (TrailingDash) {\r |
a550d468 MK |
618 | FileName[StrLen (FileName) + 1] = 0;\r |
619 | FileName[StrLen (FileName)] = L'\\';\r | |
79e4f2a5 RN |
620 | }\r |
621 | \r | |
622 | if (EFI_ERROR (Status)) {\r | |
623 | if (NewPrivateFile) {\r | |
624 | if (NewPrivateFile->FileName) {\r | |
625 | free (NewPrivateFile->FileName);\r | |
626 | }\r | |
627 | \r | |
628 | free (NewPrivateFile);\r | |
629 | }\r | |
630 | } else {\r | |
631 | *NewHandle = &NewPrivateFile->EfiFile;\r | |
632 | }\r | |
633 | \r | |
634 | return Status;\r | |
635 | }\r | |
636 | \r | |
79e4f2a5 RN |
637 | /**\r |
638 | Close the file handle\r | |
639 | \r | |
640 | @param This Protocol instance pointer.\r | |
641 | \r | |
642 | @retval EFI_SUCCESS The device was opened.\r | |
643 | \r | |
644 | **/\r | |
645 | EFI_STATUS\r | |
646 | PosixFileCLose (\r | |
647 | IN EFI_FILE_PROTOCOL *This\r | |
648 | )\r | |
649 | {\r | |
a550d468 | 650 | EMU_EFI_FILE_PRIVATE *PrivateFile;\r |
79e4f2a5 RN |
651 | \r |
652 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r | |
653 | \r | |
654 | if (PrivateFile->fd >= 0) {\r | |
655 | close (PrivateFile->fd);\r | |
656 | }\r | |
a550d468 | 657 | \r |
79e4f2a5 RN |
658 | if (PrivateFile->Dir != NULL) {\r |
659 | closedir (PrivateFile->Dir);\r | |
660 | }\r | |
661 | \r | |
a550d468 | 662 | PrivateFile->fd = -1;\r |
79e4f2a5 RN |
663 | PrivateFile->Dir = NULL;\r |
664 | \r | |
665 | if (PrivateFile->FileName) {\r | |
666 | free (PrivateFile->FileName);\r | |
667 | }\r | |
668 | \r | |
669 | free (PrivateFile);\r | |
670 | \r | |
671 | return EFI_SUCCESS;\r | |
672 | }\r | |
673 | \r | |
79e4f2a5 RN |
674 | /**\r |
675 | Close and delete the file handle.\r | |
676 | \r | |
677 | @param This Protocol instance pointer.\r | |
678 | \r | |
679 | @retval EFI_SUCCESS The device was opened.\r | |
680 | @retval EFI_WARN_DELETE_FAILURE The handle was closed but the file was not deleted.\r | |
681 | \r | |
682 | **/\r | |
683 | EFI_STATUS\r | |
684 | PosixFileDelete (\r | |
685 | IN EFI_FILE_PROTOCOL *This\r | |
686 | )\r | |
687 | {\r | |
a550d468 MK |
688 | EFI_STATUS Status;\r |
689 | EMU_EFI_FILE_PRIVATE *PrivateFile;\r | |
79e4f2a5 RN |
690 | \r |
691 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r | |
692 | Status = EFI_WARN_DELETE_FAILURE;\r | |
693 | \r | |
694 | if (PrivateFile->IsDirectoryPath) {\r | |
695 | if (PrivateFile->Dir != NULL) {\r | |
696 | closedir (PrivateFile->Dir);\r | |
697 | PrivateFile->Dir = NULL;\r | |
698 | }\r | |
699 | \r | |
700 | if (rmdir (PrivateFile->FileName) == 0) {\r | |
701 | Status = EFI_SUCCESS;\r | |
702 | }\r | |
703 | } else {\r | |
704 | close (PrivateFile->fd);\r | |
705 | PrivateFile->fd = -1;\r | |
706 | \r | |
707 | if (!PrivateFile->IsOpenedByRead) {\r | |
708 | if (!unlink (PrivateFile->FileName)) {\r | |
709 | Status = EFI_SUCCESS;\r | |
710 | }\r | |
711 | }\r | |
712 | }\r | |
713 | \r | |
714 | free (PrivateFile->FileName);\r | |
715 | free (PrivateFile);\r | |
716 | \r | |
717 | return Status;\r | |
718 | }\r | |
719 | \r | |
79e4f2a5 RN |
720 | /**\r |
721 | Read data from the file.\r | |
722 | \r | |
723 | @param This Protocol instance pointer.\r | |
724 | @param BufferSize On input size of buffer, on output amount of data in buffer.\r | |
725 | @param Buffer The buffer in which data is read.\r | |
726 | \r | |
727 | @retval EFI_SUCCESS Data was read.\r | |
728 | @retval EFI_NO_MEDIA The device has no media.\r | |
729 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
730 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r | |
731 | @retval EFI_BUFFER_TO_SMALL BufferSize is too small. BufferSize contains required size.\r | |
732 | \r | |
733 | **/\r | |
734 | EFI_STATUS\r | |
735 | PosixFileRead (\r | |
a550d468 MK |
736 | IN EFI_FILE_PROTOCOL *This,\r |
737 | IN OUT UINTN *BufferSize,\r | |
738 | OUT VOID *Buffer\r | |
79e4f2a5 RN |
739 | )\r |
740 | {\r | |
a550d468 MK |
741 | EMU_EFI_FILE_PRIVATE *PrivateFile;\r |
742 | EFI_STATUS Status;\r | |
743 | int Res;\r | |
744 | UINTN Size;\r | |
745 | UINTN NameSize;\r | |
746 | UINTN ResultSize;\r | |
747 | CHAR8 *FullFileName;\r | |
748 | UINTN FullFileNameSize;\r | |
79e4f2a5 RN |
749 | \r |
750 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r | |
751 | \r | |
752 | if (!PrivateFile->IsDirectoryPath) {\r | |
753 | if (PrivateFile->fd < 0) {\r | |
754 | Status = EFI_DEVICE_ERROR;\r | |
755 | goto Done;\r | |
756 | }\r | |
757 | \r | |
758 | Res = read (PrivateFile->fd, Buffer, *BufferSize);\r | |
759 | if (Res < 0) {\r | |
760 | Status = EFI_DEVICE_ERROR;\r | |
761 | goto Done;\r | |
762 | }\r | |
a550d468 | 763 | \r |
79e4f2a5 | 764 | *BufferSize = Res;\r |
a550d468 | 765 | Status = EFI_SUCCESS;\r |
79e4f2a5 RN |
766 | goto Done;\r |
767 | }\r | |
768 | \r | |
769 | //\r | |
770 | // Read on a directory.\r | |
771 | //\r | |
772 | if (PrivateFile->Dir == NULL) {\r | |
773 | Status = EFI_DEVICE_ERROR;\r | |
774 | goto Done;\r | |
775 | }\r | |
776 | \r | |
777 | if (PrivateFile->Dirent == NULL) {\r | |
778 | PrivateFile->Dirent = readdir (PrivateFile->Dir);\r | |
779 | if (PrivateFile->Dirent == NULL) {\r | |
780 | *BufferSize = 0;\r | |
a550d468 | 781 | Status = EFI_SUCCESS;\r |
79e4f2a5 RN |
782 | goto Done;\r |
783 | }\r | |
784 | }\r | |
785 | \r | |
a550d468 MK |
786 | Size = SIZE_OF_EFI_FILE_INFO;\r |
787 | NameSize = AsciiStrLen (PrivateFile->Dirent->d_name) + 1;\r | |
788 | ResultSize = Size + 2 * NameSize;\r | |
79e4f2a5 RN |
789 | \r |
790 | if (*BufferSize < ResultSize) {\r | |
791 | *BufferSize = ResultSize;\r | |
a550d468 | 792 | Status = EFI_BUFFER_TOO_SMALL;\r |
79e4f2a5 RN |
793 | goto Done;\r |
794 | }\r | |
a550d468 MK |
795 | \r |
796 | Status = EFI_SUCCESS;\r | |
79e4f2a5 RN |
797 | \r |
798 | *BufferSize = ResultSize;\r | |
799 | \r | |
a550d468 MK |
800 | FullFileNameSize = AsciiStrLen (PrivateFile->FileName) + 1 + NameSize;\r |
801 | FullFileName = malloc (FullFileNameSize);\r | |
79e4f2a5 RN |
802 | if (FullFileName == NULL) {\r |
803 | Status = EFI_OUT_OF_RESOURCES;\r | |
804 | goto Done;\r | |
805 | }\r | |
806 | \r | |
9e3ab94d MK |
807 | AsciiStrCpyS (FullFileName, FullFileNameSize, PrivateFile->FileName);\r |
808 | AsciiStrCatS (FullFileName, FullFileNameSize, "/");\r | |
809 | AsciiStrCatS (FullFileName, FullFileNameSize, PrivateFile->Dirent->d_name);\r | |
79e4f2a5 | 810 | Status = UnixSimpleFileSystemFileInfo (\r |
a550d468 MK |
811 | PrivateFile,\r |
812 | FullFileName,\r | |
813 | BufferSize,\r | |
814 | Buffer\r | |
815 | );\r | |
79e4f2a5 RN |
816 | free (FullFileName);\r |
817 | \r | |
818 | PrivateFile->Dirent = NULL;\r | |
819 | \r | |
820 | Done:\r | |
821 | return Status;\r | |
822 | }\r | |
823 | \r | |
79e4f2a5 RN |
824 | /**\r |
825 | Write data to a file.\r | |
826 | \r | |
827 | @param This Protocol instance pointer.\r | |
828 | @param BufferSize On input size of buffer, on output amount of data in buffer.\r | |
829 | @param Buffer The buffer in which data to write.\r | |
830 | \r | |
831 | @retval EFI_SUCCESS Data was written.\r | |
832 | @retval EFI_UNSUPPORTED Writes to Open directory are not supported.\r | |
833 | @retval EFI_NO_MEDIA The device has no media.\r | |
834 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
835 | @retval EFI_DEVICE_ERROR An attempt was made to write to a deleted file.\r | |
836 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r | |
837 | @retval EFI_WRITE_PROTECTED The device is write protected.\r | |
838 | @retval EFI_ACCESS_DENIED The file was open for read only.\r | |
839 | @retval EFI_VOLUME_FULL The volume is full.\r | |
840 | \r | |
841 | **/\r | |
842 | EFI_STATUS\r | |
843 | PosixFileWrite (\r | |
a550d468 MK |
844 | IN EFI_FILE_PROTOCOL *This,\r |
845 | IN OUT UINTN *BufferSize,\r | |
846 | IN VOID *Buffer\r | |
79e4f2a5 RN |
847 | )\r |
848 | {\r | |
849 | EMU_EFI_FILE_PRIVATE *PrivateFile;\r | |
850 | int Res;\r | |
851 | \r | |
79e4f2a5 RN |
852 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r |
853 | \r | |
854 | if (PrivateFile->fd < 0) {\r | |
855 | return EFI_DEVICE_ERROR;\r | |
856 | }\r | |
857 | \r | |
858 | if (PrivateFile->IsDirectoryPath) {\r | |
859 | return EFI_UNSUPPORTED;\r | |
860 | }\r | |
861 | \r | |
862 | if (PrivateFile->IsOpenedByRead) {\r | |
863 | return EFI_ACCESS_DENIED;\r | |
864 | }\r | |
865 | \r | |
866 | Res = write (PrivateFile->fd, Buffer, *BufferSize);\r | |
867 | if (Res == (UINTN)-1) {\r | |
868 | return ErrnoToEfiStatus ();\r | |
869 | }\r | |
870 | \r | |
871 | *BufferSize = Res;\r | |
872 | return EFI_SUCCESS;\r | |
873 | }\r | |
874 | \r | |
79e4f2a5 RN |
875 | /**\r |
876 | Set a files current position\r | |
877 | \r | |
878 | @param This Protocol instance pointer.\r | |
879 | @param Position Byte position from the start of the file.\r | |
880 | \r | |
881 | @retval EFI_SUCCESS Data was written.\r | |
882 | @retval EFI_UNSUPPORTED Seek request for non-zero is not valid on open.\r | |
883 | \r | |
884 | **/\r | |
885 | EFI_STATUS\r | |
886 | PosixFileSetPossition (\r | |
a550d468 MK |
887 | IN EFI_FILE_PROTOCOL *This,\r |
888 | IN UINT64 Position\r | |
79e4f2a5 RN |
889 | )\r |
890 | {\r | |
a550d468 MK |
891 | EMU_EFI_FILE_PRIVATE *PrivateFile;\r |
892 | off_t Pos;\r | |
79e4f2a5 RN |
893 | \r |
894 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r | |
895 | \r | |
896 | if (PrivateFile->IsDirectoryPath) {\r | |
897 | if (Position != 0) {\r | |
898 | return EFI_UNSUPPORTED;\r | |
899 | }\r | |
900 | \r | |
901 | if (PrivateFile->Dir == NULL) {\r | |
902 | return EFI_DEVICE_ERROR;\r | |
903 | }\r | |
a550d468 | 904 | \r |
79e4f2a5 RN |
905 | rewinddir (PrivateFile->Dir);\r |
906 | return EFI_SUCCESS;\r | |
907 | } else {\r | |
a550d468 | 908 | if (Position == (UINT64)-1) {\r |
79e4f2a5 RN |
909 | Pos = lseek (PrivateFile->fd, 0, SEEK_END);\r |
910 | } else {\r | |
911 | Pos = lseek (PrivateFile->fd, Position, SEEK_SET);\r | |
912 | }\r | |
a550d468 | 913 | \r |
79e4f2a5 RN |
914 | if (Pos == (off_t)-1) {\r |
915 | return ErrnoToEfiStatus ();\r | |
916 | }\r | |
a550d468 | 917 | \r |
79e4f2a5 RN |
918 | return EFI_SUCCESS;\r |
919 | }\r | |
920 | }\r | |
921 | \r | |
79e4f2a5 RN |
922 | /**\r |
923 | Get a file's current position\r | |
924 | \r | |
925 | @param This Protocol instance pointer.\r | |
926 | @param Position Byte position from the start of the file.\r | |
927 | \r | |
928 | @retval EFI_SUCCESS Data was written.\r | |
929 | @retval EFI_UNSUPPORTED Seek request for non-zero is not valid on open..\r | |
930 | \r | |
931 | **/\r | |
932 | EFI_STATUS\r | |
933 | PosixFileGetPossition (\r | |
a550d468 MK |
934 | IN EFI_FILE_PROTOCOL *This,\r |
935 | OUT UINT64 *Position\r | |
79e4f2a5 RN |
936 | )\r |
937 | {\r | |
938 | EFI_STATUS Status;\r | |
939 | EMU_EFI_FILE_PRIVATE *PrivateFile;\r | |
940 | \r | |
a550d468 | 941 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r |
79e4f2a5 RN |
942 | \r |
943 | if (PrivateFile->IsDirectoryPath) {\r | |
944 | Status = EFI_UNSUPPORTED;\r | |
945 | } else {\r | |
946 | *Position = (UINT64)lseek (PrivateFile->fd, 0, SEEK_CUR);\r | |
a550d468 | 947 | Status = (*Position == (UINT64)-1) ? ErrnoToEfiStatus () : EFI_SUCCESS;\r |
79e4f2a5 RN |
948 | }\r |
949 | \r | |
950 | return Status;\r | |
951 | }\r | |
952 | \r | |
79e4f2a5 RN |
953 | /**\r |
954 | Get information about a file.\r | |
955 | \r | |
956 | @param This Protocol instance pointer.\r | |
957 | @param InformationType Type of information to return in Buffer.\r | |
958 | @param BufferSize On input size of buffer, on output amount of data in buffer.\r | |
959 | @param Buffer The buffer to return data.\r | |
960 | \r | |
961 | @retval EFI_SUCCESS Data was returned.\r | |
962 | @retval EFI_UNSUPPORTED InformationType is not supported.\r | |
963 | @retval EFI_NO_MEDIA The device has no media.\r | |
964 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
965 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r | |
966 | @retval EFI_WRITE_PROTECTED The device is write protected.\r | |
967 | @retval EFI_ACCESS_DENIED The file was open for read only.\r | |
968 | @retval EFI_BUFFER_TOO_SMALL Buffer was too small; required size returned in BufferSize.\r | |
969 | \r | |
970 | **/\r | |
971 | EFI_STATUS\r | |
972 | PosixFileGetInfo (\r | |
a550d468 MK |
973 | IN EFI_FILE_PROTOCOL *This,\r |
974 | IN EFI_GUID *InformationType,\r | |
975 | IN OUT UINTN *BufferSize,\r | |
976 | OUT VOID *Buffer\r | |
79e4f2a5 RN |
977 | )\r |
978 | {\r | |
a550d468 MK |
979 | EFI_STATUS Status;\r |
980 | EMU_EFI_FILE_PRIVATE *PrivateFile;\r | |
981 | EFI_FILE_SYSTEM_INFO *FileSystemInfoBuffer;\r | |
982 | int UnixStatus;\r | |
983 | EMU_SIMPLE_FILE_SYSTEM_PRIVATE *PrivateRoot;\r | |
984 | struct statfs buf;\r | |
79e4f2a5 RN |
985 | \r |
986 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r | |
987 | PrivateRoot = EMU_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile->SimpleFileSystem);\r | |
988 | \r | |
989 | Status = EFI_SUCCESS;\r | |
990 | if (CompareGuid (InformationType, &gEfiFileInfoGuid)) {\r | |
991 | Status = UnixSimpleFileSystemFileInfo (PrivateFile, NULL, BufferSize, Buffer);\r | |
992 | } else if (CompareGuid (InformationType, &gEfiFileSystemInfoGuid)) {\r | |
993 | if (*BufferSize < SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel)) {\r | |
994 | *BufferSize = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel);\r | |
995 | return EFI_BUFFER_TOO_SMALL;\r | |
996 | }\r | |
997 | \r | |
998 | UnixStatus = statfs (PrivateFile->FileName, &buf);\r | |
999 | if (UnixStatus < 0) {\r | |
1000 | return EFI_DEVICE_ERROR;\r | |
1001 | }\r | |
1002 | \r | |
a550d468 MK |
1003 | FileSystemInfoBuffer = (EFI_FILE_SYSTEM_INFO *)Buffer;\r |
1004 | FileSystemInfoBuffer->Size = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel);\r | |
1005 | FileSystemInfoBuffer->ReadOnly = FALSE;\r | |
79e4f2a5 RN |
1006 | \r |
1007 | //\r | |
1008 | // Succeeded\r | |
1009 | //\r | |
a550d468 MK |
1010 | FileSystemInfoBuffer->VolumeSize = MultU64x32 (buf.f_blocks, buf.f_bsize);\r |
1011 | FileSystemInfoBuffer->FreeSpace = MultU64x32 (buf.f_bavail, buf.f_bsize);\r | |
1012 | FileSystemInfoBuffer->BlockSize = buf.f_bsize;\r | |
79e4f2a5 | 1013 | \r |
9e3ab94d | 1014 | StrCpyS (\r |
a550d468 | 1015 | (CHAR16 *)FileSystemInfoBuffer->VolumeLabel,\r |
9e3ab94d MK |
1016 | (*BufferSize - SIZE_OF_EFI_FILE_SYSTEM_INFO) / sizeof (CHAR16),\r |
1017 | PrivateRoot->VolumeLabel\r | |
1018 | );\r | |
79e4f2a5 | 1019 | *BufferSize = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel);\r |
79e4f2a5 RN |
1020 | } else if (CompareGuid (InformationType, &gEfiFileSystemVolumeLabelInfoIdGuid)) {\r |
1021 | if (*BufferSize < StrSize (PrivateRoot->VolumeLabel)) {\r | |
1022 | *BufferSize = StrSize (PrivateRoot->VolumeLabel);\r | |
1023 | return EFI_BUFFER_TOO_SMALL;\r | |
1024 | }\r | |
1025 | \r | |
9e3ab94d | 1026 | StrCpyS (\r |
a550d468 | 1027 | (CHAR16 *)Buffer,\r |
9e3ab94d MK |
1028 | *BufferSize / sizeof (CHAR16),\r |
1029 | PrivateRoot->VolumeLabel\r | |
1030 | );\r | |
79e4f2a5 | 1031 | *BufferSize = StrSize (PrivateRoot->VolumeLabel);\r |
79e4f2a5 RN |
1032 | }\r |
1033 | \r | |
1034 | return Status;\r | |
1035 | }\r | |
1036 | \r | |
79e4f2a5 RN |
1037 | /**\r |
1038 | Set information about a file\r | |
1039 | \r | |
1040 | @param File Protocol instance pointer.\r | |
1041 | @param InformationType Type of information in Buffer.\r | |
1042 | @param BufferSize Size of buffer.\r | |
1043 | @param Buffer The data to write.\r | |
1044 | \r | |
1045 | @retval EFI_SUCCESS Data was returned.\r | |
1046 | @retval EFI_UNSUPPORTED InformationType is not supported.\r | |
1047 | @retval EFI_NO_MEDIA The device has no media.\r | |
1048 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
1049 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r | |
1050 | @retval EFI_WRITE_PROTECTED The device is write protected.\r | |
1051 | @retval EFI_ACCESS_DENIED The file was open for read only.\r | |
1052 | \r | |
1053 | **/\r | |
1054 | EFI_STATUS\r | |
1055 | PosixFileSetInfo (\r | |
a550d468 MK |
1056 | IN EFI_FILE_PROTOCOL *This,\r |
1057 | IN EFI_GUID *InformationType,\r | |
1058 | IN UINTN BufferSize,\r | |
1059 | IN VOID *Buffer\r | |
79e4f2a5 RN |
1060 | )\r |
1061 | {\r | |
a550d468 MK |
1062 | EMU_SIMPLE_FILE_SYSTEM_PRIVATE *PrivateRoot;\r |
1063 | EMU_EFI_FILE_PRIVATE *PrivateFile;\r | |
1064 | EFI_FILE_INFO *OldFileInfo;\r | |
1065 | EFI_FILE_INFO *NewFileInfo;\r | |
1066 | EFI_STATUS Status;\r | |
1067 | UINTN OldInfoSize;\r | |
1068 | mode_t NewAttr;\r | |
1069 | struct stat OldAttr;\r | |
1070 | CHAR8 *OldFileName;\r | |
1071 | CHAR8 *NewFileName;\r | |
1072 | CHAR8 *CharPointer;\r | |
1073 | BOOLEAN AttrChangeFlag;\r | |
1074 | BOOLEAN NameChangeFlag;\r | |
1075 | BOOLEAN SizeChangeFlag;\r | |
1076 | BOOLEAN TimeChangeFlag;\r | |
1077 | struct tm NewLastAccessSystemTime;\r | |
1078 | struct tm NewLastWriteSystemTime;\r | |
1079 | EFI_FILE_SYSTEM_INFO *NewFileSystemInfo;\r | |
1080 | CHAR8 *AsciiFilePtr;\r | |
1081 | CHAR16 *UnicodeFilePtr;\r | |
1082 | int UnixStatus;\r | |
1083 | struct utimbuf Utime;\r | |
1084 | UINTN Size;\r | |
1085 | \r | |
1086 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r | |
1087 | PrivateRoot = EMU_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile->SimpleFileSystem);\r | |
1088 | errno = 0;\r | |
1089 | Status = EFI_UNSUPPORTED;\r | |
1090 | OldFileInfo = NewFileInfo = NULL;\r | |
1091 | OldFileName = NewFileName = NULL;\r | |
79e4f2a5 RN |
1092 | AttrChangeFlag = NameChangeFlag = SizeChangeFlag = TimeChangeFlag = FALSE;\r |
1093 | \r | |
1094 | //\r | |
1095 | // Set file system information.\r | |
1096 | //\r | |
1097 | if (CompareGuid (InformationType, &gEfiFileSystemInfoGuid)) {\r | |
1098 | if (BufferSize < (SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel))) {\r | |
1099 | Status = EFI_BAD_BUFFER_SIZE;\r | |
1100 | goto Done;\r | |
1101 | }\r | |
1102 | \r | |
a550d468 | 1103 | NewFileSystemInfo = (EFI_FILE_SYSTEM_INFO *)Buffer;\r |
79e4f2a5 RN |
1104 | \r |
1105 | free (PrivateRoot->VolumeLabel);\r | |
1106 | \r | |
1107 | PrivateRoot->VolumeLabel = malloc (StrSize (NewFileSystemInfo->VolumeLabel));\r | |
1108 | if (PrivateRoot->VolumeLabel == NULL) {\r | |
1109 | goto Done;\r | |
1110 | }\r | |
1111 | \r | |
9e3ab94d MK |
1112 | StrCpyS (\r |
1113 | PrivateRoot->VolumeLabel,\r | |
1114 | StrSize (NewFileSystemInfo->VolumeLabel) / sizeof (CHAR16),\r | |
1115 | NewFileSystemInfo->VolumeLabel\r | |
1116 | );\r | |
79e4f2a5 RN |
1117 | \r |
1118 | Status = EFI_SUCCESS;\r | |
1119 | goto Done;\r | |
1120 | }\r | |
1121 | \r | |
1122 | //\r | |
1123 | // Set volume label information.\r | |
1124 | //\r | |
1125 | if (CompareGuid (InformationType, &gEfiFileSystemVolumeLabelInfoIdGuid)) {\r | |
1126 | if (BufferSize < StrSize (PrivateRoot->VolumeLabel)) {\r | |
1127 | Status = EFI_BAD_BUFFER_SIZE;\r | |
1128 | goto Done;\r | |
1129 | }\r | |
1130 | \r | |
9e3ab94d MK |
1131 | StrCpyS (\r |
1132 | PrivateRoot->VolumeLabel,\r | |
1133 | StrSize (PrivateRoot->VolumeLabel) / sizeof (CHAR16),\r | |
a550d468 | 1134 | (CHAR16 *)Buffer\r |
9e3ab94d | 1135 | );\r |
79e4f2a5 RN |
1136 | \r |
1137 | Status = EFI_SUCCESS;\r | |
1138 | goto Done;\r | |
1139 | }\r | |
1140 | \r | |
1141 | if (!CompareGuid (InformationType, &gEfiFileInfoGuid)) {\r | |
1142 | Status = EFI_UNSUPPORTED;\r | |
1143 | goto Done;\r | |
1144 | }\r | |
1145 | \r | |
1146 | if (BufferSize < SIZE_OF_EFI_FILE_INFO) {\r | |
1147 | Status = EFI_BAD_BUFFER_SIZE;\r | |
1148 | goto Done;\r | |
1149 | }\r | |
1150 | \r | |
1151 | //\r | |
1152 | // Set file/directory information.\r | |
1153 | //\r | |
1154 | \r | |
1155 | //\r | |
1156 | // Check for invalid set file information parameters.\r | |
1157 | //\r | |
a550d468 MK |
1158 | NewFileInfo = (EFI_FILE_INFO *)Buffer;\r |
1159 | if ((NewFileInfo->Size <= sizeof (EFI_FILE_INFO)) ||\r | |
79e4f2a5 | 1160 | (NewFileInfo->Attribute &~(EFI_FILE_VALID_ATTR)) ||\r |
a550d468 MK |
1161 | ((sizeof (UINTN) == 4) && (NewFileInfo->Size > 0xFFFFFFFF))\r |
1162 | )\r | |
1163 | {\r | |
79e4f2a5 RN |
1164 | Status = EFI_INVALID_PARAMETER;\r |
1165 | goto Done;\r | |
1166 | }\r | |
1167 | \r | |
1168 | //\r | |
1169 | // Get current file information so we can determine what kind\r | |
1170 | // of change request this is.\r | |
1171 | //\r | |
1172 | OldInfoSize = 0;\r | |
a550d468 | 1173 | Status = UnixSimpleFileSystemFileInfo (PrivateFile, NULL, &OldInfoSize, NULL);\r |
79e4f2a5 RN |
1174 | if (Status != EFI_BUFFER_TOO_SMALL) {\r |
1175 | Status = EFI_DEVICE_ERROR;\r | |
1176 | goto Done;\r | |
1177 | }\r | |
1178 | \r | |
1179 | OldFileInfo = malloc (OldInfoSize);\r | |
1180 | if (OldFileInfo == NULL) {\r | |
1181 | goto Done;\r | |
1182 | }\r | |
1183 | \r | |
1184 | Status = UnixSimpleFileSystemFileInfo (PrivateFile, NULL, &OldInfoSize, OldFileInfo);\r | |
1185 | if (EFI_ERROR (Status)) {\r | |
1186 | goto Done;\r | |
1187 | }\r | |
1188 | \r | |
1189 | OldFileName = malloc (AsciiStrSize (PrivateFile->FileName));\r | |
7ef91af8 | 1190 | if (OldFileName == NULL) {\r |
79e4f2a5 RN |
1191 | goto Done;\r |
1192 | }\r | |
1193 | \r | |
9e3ab94d MK |
1194 | AsciiStrCpyS (\r |
1195 | OldFileName,\r | |
1196 | AsciiStrSize (PrivateFile->FileName),\r | |
1197 | PrivateFile->FileName\r | |
1198 | );\r | |
79e4f2a5 RN |
1199 | \r |
1200 | //\r | |
1201 | // Make full pathname from new filename and rootpath.\r | |
1202 | //\r | |
1203 | if (NewFileInfo->FileName[0] == '\\') {\r | |
a550d468 | 1204 | Size = AsciiStrLen (PrivateRoot->FilePath) + 1 + StrLen (NewFileInfo->FileName) + 1;\r |
9e3ab94d | 1205 | NewFileName = malloc (Size);\r |
79e4f2a5 RN |
1206 | if (NewFileName == NULL) {\r |
1207 | goto Done;\r | |
1208 | }\r | |
1209 | \r | |
9e3ab94d | 1210 | AsciiStrCpyS (NewFileName, Size, PrivateRoot->FilePath);\r |
a550d468 MK |
1211 | AsciiFilePtr = NewFileName + AsciiStrLen (NewFileName);\r |
1212 | UnicodeFilePtr = NewFileInfo->FileName + 1;\r | |
1213 | *AsciiFilePtr++ = '/';\r | |
79e4f2a5 | 1214 | } else {\r |
a550d468 | 1215 | Size = AsciiStrLen (PrivateFile->FileName) + 2 + StrLen (NewFileInfo->FileName) + 1;\r |
9e3ab94d | 1216 | NewFileName = malloc (Size);\r |
79e4f2a5 RN |
1217 | if (NewFileName == NULL) {\r |
1218 | goto Done;\r | |
1219 | }\r | |
1220 | \r | |
9e3ab94d | 1221 | AsciiStrCpyS (NewFileName, Size, PrivateRoot->FilePath);\r |
a550d468 | 1222 | AsciiFilePtr = NewFileName + AsciiStrLen (NewFileName);\r |
79e4f2a5 RN |
1223 | if ((AsciiFilePtr[-1] != '/') && (NewFileInfo->FileName[0] != '/')) {\r |
1224 | // make sure there is a / between Root FilePath and NewFileInfo Filename\r | |
1225 | AsciiFilePtr[0] = '/';\r | |
1226 | AsciiFilePtr[1] = '\0';\r | |
1227 | AsciiFilePtr++;\r | |
1228 | }\r | |
a550d468 | 1229 | \r |
79e4f2a5 RN |
1230 | UnicodeFilePtr = NewFileInfo->FileName;\r |
1231 | }\r | |
a550d468 | 1232 | \r |
79e4f2a5 RN |
1233 | // Convert to ascii.\r |
1234 | while (*UnicodeFilePtr) {\r | |
1235 | *AsciiFilePtr++ = *UnicodeFilePtr++;\r | |
1236 | }\r | |
a550d468 | 1237 | \r |
79e4f2a5 RN |
1238 | *AsciiFilePtr = 0;\r |
1239 | \r | |
1240 | //\r | |
1241 | // Is there an attribute change request?\r | |
1242 | //\r | |
1243 | if (NewFileInfo->Attribute != OldFileInfo->Attribute) {\r | |
1244 | if ((NewFileInfo->Attribute & EFI_FILE_DIRECTORY) != (OldFileInfo->Attribute & EFI_FILE_DIRECTORY)) {\r | |
1245 | Status = EFI_INVALID_PARAMETER;\r | |
1246 | goto Done;\r | |
1247 | }\r | |
1248 | \r | |
1249 | AttrChangeFlag = TRUE;\r | |
1250 | }\r | |
1251 | \r | |
1252 | //\r | |
1253 | // Is there a name change request?\r | |
1254 | // bugbug: - Should really use EFI_UNICODE_COLLATION_PROTOCOL\r | |
1255 | //\r | |
1256 | if (StrCmp (NewFileInfo->FileName, OldFileInfo->FileName)) {\r | |
1257 | NameChangeFlag = TRUE;\r | |
1258 | }\r | |
1259 | \r | |
1260 | //\r | |
1261 | // Is there a size change request?\r | |
1262 | //\r | |
1263 | if (NewFileInfo->FileSize != OldFileInfo->FileSize) {\r | |
1264 | SizeChangeFlag = TRUE;\r | |
1265 | }\r | |
1266 | \r | |
1267 | //\r | |
1268 | // Is there a time stamp change request?\r | |
1269 | //\r | |
1270 | if (!IsZero (&NewFileInfo->CreateTime, sizeof (EFI_TIME)) &&\r | |
1271 | CompareMem (&NewFileInfo->CreateTime, &OldFileInfo->CreateTime, sizeof (EFI_TIME))\r | |
a550d468 MK |
1272 | )\r |
1273 | {\r | |
79e4f2a5 RN |
1274 | TimeChangeFlag = TRUE;\r |
1275 | } else if (!IsZero (&NewFileInfo->LastAccessTime, sizeof (EFI_TIME)) &&\r | |
1276 | CompareMem (&NewFileInfo->LastAccessTime, &OldFileInfo->LastAccessTime, sizeof (EFI_TIME))\r | |
a550d468 MK |
1277 | )\r |
1278 | {\r | |
79e4f2a5 RN |
1279 | TimeChangeFlag = TRUE;\r |
1280 | } else if (!IsZero (&NewFileInfo->ModificationTime, sizeof (EFI_TIME)) &&\r | |
1281 | CompareMem (&NewFileInfo->ModificationTime, &OldFileInfo->ModificationTime, sizeof (EFI_TIME))\r | |
a550d468 MK |
1282 | )\r |
1283 | {\r | |
79e4f2a5 RN |
1284 | TimeChangeFlag = TRUE;\r |
1285 | }\r | |
1286 | \r | |
1287 | //\r | |
1288 | // All done if there are no change requests being made.\r | |
1289 | //\r | |
1290 | if (!(AttrChangeFlag || NameChangeFlag || SizeChangeFlag || TimeChangeFlag)) {\r | |
1291 | Status = EFI_SUCCESS;\r | |
1292 | goto Done;\r | |
1293 | }\r | |
1294 | \r | |
1295 | //\r | |
1296 | // Set file or directory information.\r | |
1297 | //\r | |
1298 | if (stat (OldFileName, &OldAttr) != 0) {\r | |
1299 | Status = ErrnoToEfiStatus ();\r | |
1300 | goto Done;\r | |
1301 | }\r | |
1302 | \r | |
1303 | //\r | |
1304 | // Name change.\r | |
1305 | //\r | |
1306 | if (NameChangeFlag) {\r | |
1307 | //\r | |
1308 | // Close the handles first\r | |
1309 | //\r | |
1310 | if (PrivateFile->IsOpenedByRead) {\r | |
1311 | Status = EFI_ACCESS_DENIED;\r | |
1312 | goto Done;\r | |
1313 | }\r | |
1314 | \r | |
1315 | for (CharPointer = NewFileName; *CharPointer != 0 && *CharPointer != L'/'; CharPointer++) {\r | |
1316 | }\r | |
1317 | \r | |
1318 | if (*CharPointer != 0) {\r | |
1319 | Status = EFI_ACCESS_DENIED;\r | |
1320 | goto Done;\r | |
1321 | }\r | |
1322 | \r | |
1323 | UnixStatus = rename (OldFileName, NewFileName);\r | |
1324 | if (UnixStatus == 0) {\r | |
1325 | //\r | |
1326 | // modify file name\r | |
1327 | //\r | |
1328 | free (PrivateFile->FileName);\r | |
1329 | \r | |
1330 | PrivateFile->FileName = malloc (AsciiStrSize (NewFileName));\r | |
1331 | if (PrivateFile->FileName == NULL) {\r | |
1332 | goto Done;\r | |
1333 | }\r | |
1334 | \r | |
9e3ab94d MK |
1335 | AsciiStrCpyS (\r |
1336 | PrivateFile->FileName,\r | |
1337 | AsciiStrSize (NewFileName),\r | |
1338 | NewFileName\r | |
1339 | );\r | |
79e4f2a5 | 1340 | } else {\r |
a550d468 | 1341 | Status = EFI_DEVICE_ERROR;\r |
79e4f2a5 RN |
1342 | goto Done;\r |
1343 | }\r | |
1344 | }\r | |
1345 | \r | |
1346 | //\r | |
1347 | // Size change\r | |
1348 | //\r | |
1349 | if (SizeChangeFlag) {\r | |
1350 | if (PrivateFile->IsDirectoryPath) {\r | |
1351 | Status = EFI_UNSUPPORTED;\r | |
1352 | goto Done;\r | |
1353 | }\r | |
1354 | \r | |
1355 | if (PrivateFile->IsOpenedByRead || OldFileInfo->Attribute & EFI_FILE_READ_ONLY) {\r | |
1356 | Status = EFI_ACCESS_DENIED;\r | |
1357 | goto Done;\r | |
1358 | }\r | |
1359 | \r | |
1360 | if (ftruncate (PrivateFile->fd, NewFileInfo->FileSize) != 0) {\r | |
1361 | Status = ErrnoToEfiStatus ();\r | |
1362 | goto Done;\r | |
1363 | }\r | |
79e4f2a5 RN |
1364 | }\r |
1365 | \r | |
1366 | //\r | |
1367 | // Time change\r | |
1368 | //\r | |
1369 | if (TimeChangeFlag) {\r | |
a550d468 MK |
1370 | NewLastAccessSystemTime.tm_year = NewFileInfo->LastAccessTime.Year;\r |
1371 | NewLastAccessSystemTime.tm_mon = NewFileInfo->LastAccessTime.Month;\r | |
1372 | NewLastAccessSystemTime.tm_mday = NewFileInfo->LastAccessTime.Day;\r | |
1373 | NewLastAccessSystemTime.tm_hour = NewFileInfo->LastAccessTime.Hour;\r | |
1374 | NewLastAccessSystemTime.tm_min = NewFileInfo->LastAccessTime.Minute;\r | |
1375 | NewLastAccessSystemTime.tm_sec = NewFileInfo->LastAccessTime.Second;\r | |
1376 | NewLastAccessSystemTime.tm_isdst = 0;\r | |
79e4f2a5 RN |
1377 | \r |
1378 | Utime.actime = mktime (&NewLastAccessSystemTime);\r | |
1379 | \r | |
a550d468 MK |
1380 | NewLastWriteSystemTime.tm_year = NewFileInfo->ModificationTime.Year;\r |
1381 | NewLastWriteSystemTime.tm_mon = NewFileInfo->ModificationTime.Month;\r | |
1382 | NewLastWriteSystemTime.tm_mday = NewFileInfo->ModificationTime.Day;\r | |
1383 | NewLastWriteSystemTime.tm_hour = NewFileInfo->ModificationTime.Hour;\r | |
1384 | NewLastWriteSystemTime.tm_min = NewFileInfo->ModificationTime.Minute;\r | |
1385 | NewLastWriteSystemTime.tm_sec = NewFileInfo->ModificationTime.Second;\r | |
1386 | NewLastWriteSystemTime.tm_isdst = 0;\r | |
79e4f2a5 RN |
1387 | \r |
1388 | Utime.modtime = mktime (&NewLastWriteSystemTime);\r | |
1389 | \r | |
a550d468 | 1390 | if ((Utime.actime == (time_t)-1) || (Utime.modtime == (time_t)-1)) {\r |
79e4f2a5 RN |
1391 | goto Done;\r |
1392 | }\r | |
1393 | \r | |
1394 | if (utime (PrivateFile->FileName, &Utime) == -1) {\r | |
1395 | Status = ErrnoToEfiStatus ();\r | |
1396 | goto Done;\r | |
1397 | }\r | |
1398 | }\r | |
1399 | \r | |
1400 | //\r | |
1401 | // No matter about AttrChangeFlag, Attribute must be set.\r | |
1402 | // Because operation before may cause attribute change.\r | |
1403 | //\r | |
1404 | NewAttr = OldAttr.st_mode;\r | |
1405 | \r | |
1406 | if (NewFileInfo->Attribute & EFI_FILE_READ_ONLY) {\r | |
1407 | NewAttr &= ~(S_IRUSR | S_IRGRP | S_IROTH);\r | |
1408 | } else {\r | |
1409 | NewAttr |= S_IRUSR;\r | |
1410 | }\r | |
1411 | \r | |
1412 | if (chmod (NewFileName, NewAttr) != 0) {\r | |
1413 | Status = ErrnoToEfiStatus ();\r | |
1414 | }\r | |
1415 | \r | |
1416 | Done:\r | |
1417 | if (OldFileInfo != NULL) {\r | |
1418 | free (OldFileInfo);\r | |
1419 | }\r | |
1420 | \r | |
1421 | if (OldFileName != NULL) {\r | |
1422 | free (OldFileName);\r | |
1423 | }\r | |
1424 | \r | |
1425 | if (NewFileName != NULL) {\r | |
1426 | free (NewFileName);\r | |
1427 | }\r | |
1428 | \r | |
1429 | return Status;\r | |
1430 | }\r | |
1431 | \r | |
79e4f2a5 RN |
1432 | /**\r |
1433 | Flush data back for the file handle.\r | |
1434 | \r | |
1435 | @param This Protocol instance pointer.\r | |
1436 | \r | |
1437 | @retval EFI_SUCCESS Data was written.\r | |
1438 | @retval EFI_UNSUPPORTED Writes to Open directory are not supported.\r | |
1439 | @retval EFI_NO_MEDIA The device has no media.\r | |
1440 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
1441 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r | |
1442 | @retval EFI_WRITE_PROTECTED The device is write protected.\r | |
1443 | @retval EFI_ACCESS_DENIED The file was open for read only.\r | |
1444 | @retval EFI_VOLUME_FULL The volume is full.\r | |
1445 | \r | |
1446 | **/\r | |
1447 | EFI_STATUS\r | |
1448 | PosixFileFlush (\r | |
1449 | IN EFI_FILE_PROTOCOL *This\r | |
1450 | )\r | |
1451 | {\r | |
a550d468 | 1452 | EMU_EFI_FILE_PRIVATE *PrivateFile;\r |
79e4f2a5 RN |
1453 | \r |
1454 | PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r | |
1455 | \r | |
1456 | if (PrivateFile->IsDirectoryPath) {\r | |
1457 | return EFI_UNSUPPORTED;\r | |
1458 | }\r | |
1459 | \r | |
1460 | if (PrivateFile->IsOpenedByRead) {\r | |
1461 | return EFI_ACCESS_DENIED;\r | |
1462 | }\r | |
1463 | \r | |
1464 | if (PrivateFile->fd < 0) {\r | |
1465 | return EFI_DEVICE_ERROR;\r | |
1466 | }\r | |
1467 | \r | |
1468 | if (fsync (PrivateFile->fd) != 0) {\r | |
1469 | return ErrnoToEfiStatus ();\r | |
1470 | }\r | |
1471 | \r | |
1472 | return EFI_SUCCESS;\r | |
1473 | }\r | |
1474 | \r | |
79e4f2a5 RN |
1475 | EFI_STATUS\r |
1476 | PosixFileSystmeThunkOpen (\r | |
a550d468 | 1477 | IN EMU_IO_THUNK_PROTOCOL *This\r |
79e4f2a5 RN |
1478 | )\r |
1479 | {\r | |
1480 | EMU_SIMPLE_FILE_SYSTEM_PRIVATE *Private;\r | |
1481 | UINTN i;\r | |
1482 | \r | |
1483 | if (This->Private != NULL) {\r | |
1484 | return EFI_ALREADY_STARTED;\r | |
1485 | }\r | |
1486 | \r | |
1487 | if (!CompareGuid (This->Protocol, &gEfiSimpleFileSystemProtocolGuid)) {\r | |
1488 | return EFI_UNSUPPORTED;\r | |
1489 | }\r | |
1490 | \r | |
1491 | Private = malloc (sizeof (EMU_SIMPLE_FILE_SYSTEM_PRIVATE));\r | |
1492 | if (Private == NULL) {\r | |
1493 | return EFI_OUT_OF_RESOURCES;\r | |
1494 | }\r | |
1495 | \r | |
1496 | Private->FilePath = malloc (StrLen (This->ConfigString) + 1);\r | |
1497 | if (Private->FilePath == NULL) {\r | |
1498 | free (Private);\r | |
1499 | return EFI_OUT_OF_RESOURCES;\r | |
1500 | }\r | |
1501 | \r | |
1502 | // Convert Unicode to Ascii\r | |
1503 | for (i = 0; This->ConfigString[i] != 0; i++) {\r | |
1504 | Private->FilePath[i] = This->ConfigString[i];\r | |
1505 | }\r | |
79e4f2a5 | 1506 | \r |
a550d468 | 1507 | Private->FilePath[i] = 0;\r |
79e4f2a5 RN |
1508 | \r |
1509 | Private->VolumeLabel = malloc (StrSize (L"EFI_EMULATED"));\r | |
1510 | if (Private->VolumeLabel == NULL) {\r | |
1511 | free (Private->FilePath);\r | |
1512 | free (Private);\r | |
1513 | return EFI_OUT_OF_RESOURCES;\r | |
1514 | }\r | |
a550d468 | 1515 | \r |
9e3ab94d MK |
1516 | StrCpyS (\r |
1517 | Private->VolumeLabel,\r | |
1518 | StrSize (L"EFI_EMULATED") / sizeof (CHAR16),\r | |
1519 | L"EFI_EMULATED"\r | |
1520 | );\r | |
79e4f2a5 RN |
1521 | \r |
1522 | Private->Signature = EMU_SIMPLE_FILE_SYSTEM_PRIVATE_SIGNATURE;\r | |
1523 | Private->Thunk = This;\r | |
1524 | CopyMem (&Private->SimpleFileSystem, &gPosixFileSystemProtocol, sizeof (Private->SimpleFileSystem));\r | |
1525 | Private->FileHandlesOpen = FALSE;\r | |
1526 | \r | |
1527 | This->Interface = &Private->SimpleFileSystem;\r | |
1528 | This->Private = Private;\r | |
1529 | return EFI_SUCCESS;\r | |
1530 | }\r | |
1531 | \r | |
79e4f2a5 RN |
1532 | EFI_STATUS\r |
1533 | PosixFileSystmeThunkClose (\r | |
a550d468 | 1534 | IN EMU_IO_THUNK_PROTOCOL *This\r |
79e4f2a5 RN |
1535 | )\r |
1536 | {\r | |
1537 | EMU_SIMPLE_FILE_SYSTEM_PRIVATE *Private;\r | |
1538 | \r | |
1539 | if (!CompareGuid (This->Protocol, &gEfiSimpleFileSystemProtocolGuid)) {\r | |
1540 | return EFI_UNSUPPORTED;\r | |
1541 | }\r | |
1542 | \r | |
1543 | Private = This->Private;\r | |
1544 | \r | |
1545 | if (Private->FileHandlesOpen) {\r | |
1546 | //\r | |
1547 | // Close only supported if all the EFI_FILE_HANDLEs have been closed.\r | |
1548 | //\r | |
1549 | return EFI_NOT_READY;\r | |
1550 | }\r | |
1551 | \r | |
1552 | if (This->Private != NULL) {\r | |
1553 | if (Private->VolumeLabel != NULL) {\r | |
1554 | free (Private->VolumeLabel);\r | |
1555 | }\r | |
a550d468 | 1556 | \r |
79e4f2a5 RN |
1557 | free (This->Private);\r |
1558 | This->Private = NULL;\r | |
1559 | }\r | |
1560 | \r | |
1561 | return EFI_SUCCESS;\r | |
1562 | }\r | |
1563 | \r | |
a550d468 | 1564 | EMU_IO_THUNK_PROTOCOL gPosixFileSystemThunkIo = {\r |
79e4f2a5 RN |
1565 | &gEfiSimpleFileSystemProtocolGuid,\r |
1566 | NULL,\r | |
1567 | NULL,\r | |
1568 | 0,\r | |
1569 | GasketPosixFileSystmeThunkOpen,\r | |
1570 | GasketPosixFileSystmeThunkClose,\r | |
1571 | NULL\r | |
1572 | };\r |