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53e1e5c6 | 1 | /** @file\r |
2 | Abstract device driver for the UEFI Shell-hosted environment.\r | |
3 | \r | |
4 | In a Shell-hosted environment, this is the driver that is called\r | |
5 | when no other driver matches.\r | |
6 | \r | |
7 | Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>\r | |
8 | This program and the accompanying materials are licensed and made available under\r | |
9 | the terms and conditions of the BSD License that accompanies this distribution.\r | |
10 | The full text of the license may be found at\r | |
11 | http://opensource.org/licenses/bsd-license.\r | |
12 | \r | |
13 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
14 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
15 | \r | |
16 | **/\r | |
17 | #include <Uefi.h>\r | |
18 | #include <Library/BaseLib.h>\r | |
19 | #include <Library/MemoryAllocationLib.h>\r | |
20 | #include <Library/UefiBootServicesTableLib.h>\r | |
21 | #include <Library/ShellLib.h>\r | |
22 | \r | |
23 | #include <LibConfig.h>\r | |
24 | #include <sys/EfiSysCall.h>\r | |
25 | \r | |
26 | #include <errno.h>\r | |
27 | #include <string.h>\r | |
28 | #include <stdlib.h>\r | |
29 | #include <wctype.h>\r | |
30 | #include <wchar.h>\r | |
31 | #include <sys/fcntl.h>\r | |
d7ce7006 | 32 | #include <sys/syslimits.h>\r |
53e1e5c6 | 33 | #include <kfile.h>\r |
34 | #include <Device/Device.h>\r | |
35 | #include <MainData.h>\r | |
36 | #include <Efi/SysEfi.h>\r | |
37 | \r | |
38 | static\r | |
39 | int\r | |
40 | EFIAPI\r | |
41 | da_ShellClose(\r | |
42 | IN struct __filedes *Fp\r | |
43 | )\r | |
44 | {\r | |
45 | EFIerrno = ShellCloseFile( (SHELL_FILE_HANDLE *)&Fp->devdata);\r | |
46 | if(RETURN_ERROR(EFIerrno)) {\r | |
47 | return -1;\r | |
48 | }\r | |
49 | return 0;\r | |
50 | }\r | |
51 | \r | |
52 | static\r | |
53 | int\r | |
54 | EFIAPI\r | |
55 | da_ShellDelete(\r | |
56 | struct __filedes *filp\r | |
57 | )\r | |
58 | {\r | |
59 | RETURN_STATUS Status;\r | |
60 | \r | |
61 | Status = ShellDeleteFile( (SHELL_FILE_HANDLE *)&filp->devdata);\r | |
62 | if(Status != RETURN_SUCCESS) {\r | |
63 | errno = EFI2errno(Status);\r | |
64 | EFIerrno = Status;\r | |
65 | return -1;\r | |
66 | }\r | |
67 | return 0;\r | |
68 | }\r | |
69 | \r | |
70 | static\r | |
71 | off_t\r | |
72 | EFIAPI\r | |
73 | da_ShellSeek(\r | |
74 | struct __filedes *filp,\r | |
75 | off_t offset,\r | |
76 | int whence\r | |
77 | )\r | |
78 | {\r | |
79 | __off_t CurPos = -1;\r | |
80 | RETURN_STATUS Status = RETURN_SUCCESS;\r | |
81 | SHELL_FILE_HANDLE FileHandle;\r | |
82 | \r | |
83 | FileHandle = (SHELL_FILE_HANDLE)filp->devdata;\r | |
84 | \r | |
85 | if(whence != SEEK_SET) {\r | |
86 | // We are doing a relative seek\r | |
87 | if(whence == SEEK_END) {\r | |
88 | // seeking relative to EOF, so position there first.\r | |
89 | Status = ShellSetFilePosition( FileHandle, 0xFFFFFFFFFFFFFFFFULL);\r | |
90 | }\r | |
91 | if(Status == RETURN_SUCCESS) {\r | |
92 | // Now, determine our current position.\r | |
93 | Status = ShellGetFilePosition( FileHandle, (UINT64 *)&CurPos);\r | |
94 | }\r | |
95 | }\r | |
96 | else {\r | |
97 | CurPos = 0; // offset is an absolute position for SEEK_SET\r | |
98 | if(offset < 0) {\r | |
99 | Status = RETURN_INVALID_PARAMETER;\r | |
100 | }\r | |
101 | }\r | |
102 | if(Status == RETURN_SUCCESS) {\r | |
103 | /* CurPos now indicates the point we are seeking from, so seek... */\r | |
104 | Status = ShellSetFilePosition( FileHandle, (UINT64)(CurPos + offset));\r | |
105 | if(Status == RETURN_SUCCESS) {\r | |
106 | // Now, determine our final position.\r | |
107 | Status = ShellGetFilePosition( FileHandle, (UINT64 *)&CurPos);\r | |
108 | }\r | |
109 | }\r | |
110 | if(Status != RETURN_SUCCESS) {\r | |
111 | if(Status == EFI_UNSUPPORTED) {\r | |
112 | errno = EISDIR;\r | |
113 | }\r | |
114 | else {\r | |
115 | errno = EFI2errno(Status);\r | |
116 | }\r | |
117 | EFIerrno = Status;\r | |
118 | CurPos = EOF;\r | |
119 | }\r | |
120 | return CurPos;\r | |
121 | }\r | |
122 | \r | |
123 | /** The directory path is created with the access permissions specified by\r | |
124 | perms.\r | |
125 | \r | |
126 | The directory is closed after it is created.\r | |
127 | \r | |
128 | @retval 0 The directory was created successfully.\r | |
129 | @retval -1 An error occurred and an error code is stored in errno.\r | |
130 | **/\r | |
131 | static\r | |
132 | int\r | |
133 | EFIAPI\r | |
134 | da_ShellMkdir(\r | |
135 | const char *path,\r | |
136 | __mode_t perms\r | |
137 | )\r | |
138 | {\r | |
139 | SHELL_FILE_HANDLE FileHandle;\r | |
140 | RETURN_STATUS Status;\r | |
141 | EFI_FILE_INFO *FileInfo;\r | |
142 | wchar_t *NewPath;\r | |
143 | int retval = -1;\r | |
144 | \r | |
145 | // Convert name from MBCS to WCS and change '/' to '\\'\r | |
146 | NewPath = NormalizePath( path);\r | |
147 | \r | |
148 | if(NewPath != NULL) {\r | |
149 | Status = ShellCreateDirectory( NewPath, &FileHandle);\r | |
150 | if(Status == RETURN_SUCCESS) {\r | |
151 | FileInfo = ShellGetFileInfo( FileHandle);\r | |
152 | Status = RETURN_ABORTED; // In case ShellGetFileInfo() failed\r | |
153 | if(FileInfo != NULL) {\r | |
154 | FileInfo->Attribute = Omode2EFI(perms);\r | |
155 | Status = ShellSetFileInfo( FileHandle, FileInfo);\r | |
156 | FreePool(FileInfo);\r | |
157 | if(Status == RETURN_SUCCESS) {\r | |
158 | (void)ShellCloseFile(&FileHandle);\r | |
159 | retval = 0;\r | |
160 | }\r | |
161 | }\r | |
162 | }\r | |
163 | errno = EFI2errno(Status);\r | |
164 | EFIerrno = Status;\r | |
165 | free(NewPath);\r | |
166 | }\r | |
167 | return retval;\r | |
168 | }\r | |
169 | \r | |
170 | static\r | |
171 | ssize_t\r | |
172 | EFIAPI\r | |
173 | da_ShellRead(\r | |
174 | IN OUT struct __filedes *filp,\r | |
175 | IN OUT off_t *offset,\r | |
176 | IN size_t BufferSize,\r | |
177 | OUT VOID *Buffer\r | |
178 | )\r | |
179 | {\r | |
180 | ssize_t BufSize;\r | |
181 | SHELL_FILE_HANDLE FileHandle;\r | |
182 | RETURN_STATUS Status;\r | |
183 | \r | |
184 | if(offset != NULL) {\r | |
185 | BufSize = (ssize_t)da_ShellSeek(filp, *offset, SEEK_SET);\r | |
186 | if(BufSize >= 0) {\r | |
187 | filp->f_offset = BufSize;\r | |
188 | }\r | |
189 | }\r | |
190 | \r | |
191 | BufSize = (ssize_t)BufferSize;\r | |
192 | FileHandle = (SHELL_FILE_HANDLE)filp->devdata;\r | |
193 | \r | |
194 | Status = ShellReadFile( FileHandle, (UINTN *)&BufSize, Buffer);\r | |
195 | if(Status != RETURN_SUCCESS) {\r | |
196 | EFIerrno = Status;\r | |
197 | errno = EFI2errno(Status);\r | |
198 | if(Status == RETURN_BUFFER_TOO_SMALL) {\r | |
199 | BufSize = -BufSize;\r | |
200 | }\r | |
201 | else {\r | |
202 | BufSize = -1;\r | |
203 | }\r | |
204 | }\r | |
205 | else {\r | |
206 | filp->f_offset += BufSize; // Advance to where we want to read next.\r | |
207 | }\r | |
208 | return BufSize;\r | |
209 | }\r | |
210 | \r | |
211 | static\r | |
212 | ssize_t\r | |
213 | EFIAPI\r | |
214 | da_ShellWrite(\r | |
215 | IN struct __filedes *filp,\r | |
216 | IN off_t *offset,\r | |
217 | IN size_t BufferSize,\r | |
218 | IN const void *Buffer\r | |
219 | )\r | |
220 | {\r | |
221 | ssize_t BufSize;\r | |
222 | SHELL_FILE_HANDLE FileHandle;\r | |
223 | RETURN_STATUS Status;\r | |
224 | off_t Position = 0;\r | |
225 | int How = SEEK_SET;\r | |
226 | \r | |
227 | \r | |
228 | if((offset != NULL) || (filp->Oflags & O_APPEND)) {\r | |
229 | if(filp->Oflags & O_APPEND) {\r | |
230 | Position = 0;\r | |
231 | How = SEEK_END;\r | |
232 | }\r | |
233 | else {\r | |
234 | Position = *offset;\r | |
235 | How = SEEK_SET;\r | |
236 | }\r | |
237 | BufSize = (ssize_t)da_ShellSeek(filp, Position, How);\r | |
238 | if(BufSize >= 0) {\r | |
239 | filp->f_offset = BufSize;\r | |
240 | }\r | |
241 | }\r | |
242 | \r | |
243 | BufSize = (ssize_t)BufferSize;\r | |
244 | FileHandle = (SHELL_FILE_HANDLE)filp->devdata;\r | |
245 | \r | |
246 | Status = ShellWriteFile( FileHandle, (UINTN *)&BufSize, (void *)Buffer);\r | |
247 | \r | |
248 | if(Status != RETURN_SUCCESS) {\r | |
249 | EFIerrno = Status;\r | |
250 | errno = EFI2errno(Status);\r | |
251 | if(Status == EFI_UNSUPPORTED) {\r | |
252 | errno = EISDIR;\r | |
253 | }\r | |
254 | BufSize = -1;\r | |
255 | }\r | |
256 | else {\r | |
257 | filp->f_offset += BufSize; // Advance to where we want to write next.\r | |
258 | }\r | |
259 | \r | |
260 | return BufSize;\r | |
261 | }\r | |
262 | \r | |
263 | static\r | |
264 | int\r | |
265 | EFIAPI\r | |
266 | da_ShellStat(\r | |
267 | struct __filedes *filp,\r | |
268 | struct stat *statbuf,\r | |
269 | void *Something\r | |
270 | )\r | |
271 | {\r | |
272 | SHELL_FILE_HANDLE FileHandle;\r | |
273 | EFI_FILE_INFO *FileInfo = NULL;\r | |
274 | UINT64 Attributes;\r | |
275 | RETURN_STATUS Status;\r | |
276 | mode_t newmode;\r | |
277 | \r | |
278 | FileHandle = (SHELL_FILE_HANDLE)filp->devdata;\r | |
279 | \r | |
280 | FileInfo = ShellGetFileInfo( FileHandle);\r | |
281 | \r | |
282 | if(FileInfo != NULL) {\r | |
283 | // Got the info, now populate statbuf with it\r | |
284 | statbuf->st_blksize = S_BLKSIZE;\r | |
285 | statbuf->st_size = FileInfo->FileSize;\r | |
286 | statbuf->st_physsize = FileInfo->PhysicalSize;\r | |
287 | statbuf->st_birthtime = Efi2Time( &FileInfo->CreateTime);\r | |
288 | statbuf->st_atime = Efi2Time( &FileInfo->LastAccessTime);\r | |
289 | statbuf->st_mtime = Efi2Time( &FileInfo->ModificationTime);\r | |
290 | Attributes = FileInfo->Attribute;\r | |
291 | newmode = (mode_t)(Attributes << S_EFISHIFT) | S_ACC_READ;\r | |
292 | if((Attributes & EFI_FILE_DIRECTORY) == 0) {\r | |
293 | newmode |= _S_IFREG;\r | |
294 | if((Attributes & EFI_FILE_READ_ONLY) == 0) {\r | |
295 | newmode |= S_ACC_WRITE;\r | |
296 | }\r | |
297 | }\r | |
298 | else {\r | |
299 | newmode |= _S_IFDIR;\r | |
300 | }\r | |
301 | statbuf->st_mode = newmode;\r | |
302 | Status = RETURN_SUCCESS;\r | |
303 | }\r | |
304 | else {\r | |
305 | Status = RETURN_DEVICE_ERROR;\r | |
306 | }\r | |
307 | errno = EFI2errno(Status);\r | |
308 | EFIerrno = Status;\r | |
309 | \r | |
310 | if(FileInfo != NULL) {\r | |
311 | FreePool(FileInfo); // Release the buffer allocated by the GetInfo function\r | |
312 | }\r | |
313 | return errno? -1 : 0;\r | |
314 | }\r | |
315 | \r | |
316 | static\r | |
317 | int\r | |
318 | EFIAPI\r | |
319 | da_ShellIoctl(\r | |
320 | struct __filedes *filp,\r | |
321 | ULONGN cmd,\r | |
322 | void *argp ///< May be a pointer or a value\r | |
323 | )\r | |
324 | {\r | |
d7ce7006 | 325 | return -EPERM;\r |
53e1e5c6 | 326 | }\r |
327 | \r | |
328 | /** Open an abstract Shell File.\r | |
329 | **/\r | |
330 | int\r | |
331 | EFIAPI\r | |
332 | da_ShellOpen(\r | |
d7ce7006 | 333 | DeviceNode *DevNode,\r |
53e1e5c6 | 334 | struct __filedes *filp,\r |
d7ce7006 | 335 | int DevInstance, /* Not used by Shell */\r |
53e1e5c6 | 336 | wchar_t *Path,\r |
d7ce7006 | 337 | wchar_t *MPath\r |
53e1e5c6 | 338 | )\r |
339 | {\r | |
340 | UINT64 OpenMode;\r | |
341 | UINT64 Attributes;\r | |
342 | SHELL_FILE_HANDLE FileHandle;\r | |
343 | GenericInstance *Gip;\r | |
344 | char *NPath;\r | |
d7ce7006 | 345 | wchar_t *WPath;\r |
53e1e5c6 | 346 | RETURN_STATUS Status;\r |
347 | int oflags;\r | |
d7ce7006 | 348 | int retval;\r |
53e1e5c6 | 349 | \r |
350 | EFIerrno = RETURN_SUCCESS;\r | |
351 | \r | |
352 | //Attributes = Omode2EFI(mode);\r | |
353 | Attributes = 0;\r | |
354 | \r | |
355 | // Convert oflags to Attributes\r | |
356 | oflags = filp->Oflags;\r | |
357 | OpenMode = Oflags2EFI(oflags);\r | |
358 | if(OpenMode == 0) {\r | |
359 | errno = EINVAL;\r | |
360 | return -1;\r | |
361 | }\r | |
362 | \r | |
d7ce7006 | 363 | /* Re-create the full mapped path for the shell. */\r |
364 | if(MPath != NULL) {\r | |
365 | WPath = AllocateZeroPool(PATH_MAX * sizeof(wchar_t) + 1);\r | |
366 | if(WPath == NULL) {\r | |
367 | errno = ENOMEM;\r | |
368 | EFIerrno = RETURN_OUT_OF_RESOURCES;\r | |
369 | return -1;\r | |
370 | }\r | |
371 | wcsncpy(WPath, MPath, NAME_MAX); /* Get the Map Name */\r | |
372 | wcsncat(WPath, Path, (PATH_MAX - NAME_MAX)); /* Append the path */\r | |
373 | }\r | |
374 | else {\r | |
375 | WPath = Path;\r | |
376 | }\r | |
377 | \r | |
378 | retval = -1; /* Initially assume failure. */\r | |
379 | \r | |
53e1e5c6 | 380 | /* Do we care if the file already exists?\r |
381 | If O_TRUNC, then delete the file. It will be created anew subsequently.\r | |
382 | If O_EXCL, then error if the file exists and O_CREAT is set.\r | |
383 | \r | |
384 | !!!!!!!!! Change this to use ShellSetFileInfo() to actually truncate the file\r | |
385 | !!!!!!!!! instead of deleting and re-creating it.\r | |
386 | */\r | |
d7ce7006 | 387 | do { /* Do fake exception handling */\r |
53e1e5c6 | 388 | if((oflags & O_TRUNC) || ((oflags & (O_EXCL | O_CREAT)) == (O_EXCL | O_CREAT))) {\r |
d7ce7006 | 389 | Status = ShellIsFile( WPath );\r |
53e1e5c6 | 390 | if(Status == RETURN_SUCCESS) {\r |
391 | // The file exists\r | |
392 | if(oflags & O_TRUNC) {\r | |
d7ce7006 | 393 | NPath = AllocateZeroPool(PATH_MAX);\r |
53e1e5c6 | 394 | if(NPath == NULL) {\r |
395 | errno = ENOMEM;\r | |
396 | EFIerrno = RETURN_OUT_OF_RESOURCES;\r | |
d7ce7006 | 397 | break;\r |
53e1e5c6 | 398 | }\r |
d7ce7006 | 399 | wcstombs(NPath, WPath, PATH_MAX);\r |
53e1e5c6 | 400 | // We do a truncate by deleting the existing file and creating a new one.\r |
401 | if(unlink(NPath) != 0) {\r | |
402 | filp->f_iflags = 0; // Release our reservation on this FD\r | |
403 | FreePool(NPath);\r | |
d7ce7006 | 404 | break;\r |
53e1e5c6 | 405 | }\r |
406 | FreePool(NPath);\r | |
407 | }\r | |
408 | else if((oflags & (O_EXCL | O_CREAT)) == (O_EXCL | O_CREAT)) {\r | |
409 | errno = EEXIST;\r | |
410 | EFIerrno = RETURN_ACCESS_DENIED;\r | |
411 | filp->f_iflags = 0; // Release our reservation on this FD\r | |
d7ce7006 | 412 | break;\r |
53e1e5c6 | 413 | }\r |
414 | }\r | |
415 | }\r | |
416 | \r | |
417 | // Call the EFI Shell's Open function\r | |
d7ce7006 | 418 | Status = ShellOpenFileByName( WPath, &FileHandle, OpenMode, Attributes);\r |
53e1e5c6 | 419 | if(RETURN_ERROR(Status)) {\r |
420 | filp->f_iflags = 0; // Release our reservation on this FD\r | |
421 | // Set errno based upon Status\r | |
422 | errno = EFI2errno(Status);\r | |
423 | EFIerrno = Status;\r | |
d7ce7006 | 424 | break;\r |
53e1e5c6 | 425 | }\r |
d7ce7006 | 426 | retval = 0;\r |
53e1e5c6 | 427 | // Successfully got a regular File\r |
428 | filp->f_iflags |= S_IFREG;\r | |
429 | \r | |
430 | // Update the info in the fd\r | |
431 | filp->devdata = (void *)FileHandle;\r | |
432 | \r | |
d7ce7006 | 433 | Gip = (GenericInstance *)DevNode->InstanceList;\r |
53e1e5c6 | 434 | filp->f_offset = 0;\r |
435 | filp->f_ops = &Gip->Abstraction;\r | |
d7ce7006 | 436 | // filp->devdata = FileHandle;\r |
437 | } while(FALSE);\r | |
53e1e5c6 | 438 | \r |
d7ce7006 | 439 | /* If we get this far, WPath is not NULL.\r |
440 | If MPath is not NULL, then WPath was allocated so we need to free it.\r | |
441 | */\r | |
442 | if(MPath != NULL) {\r | |
443 | FreePool(WPath);\r | |
444 | }\r | |
445 | return retval;\r | |
53e1e5c6 | 446 | }\r |
447 | \r | |
448 | #include <sys/poll.h>\r | |
449 | /* Returns a bit mask describing which operations could be completed immediately.\r | |
450 | \r | |
451 | For now, assume the file system, via the shell, is always ready.\r | |
452 | \r | |
453 | (POLLIN | POLLRDNORM) The file system is ready to be read.\r | |
454 | (POLLOUT) The file system is ready for output.\r | |
455 | \r | |
456 | */\r | |
457 | static\r | |
458 | short\r | |
459 | EFIAPI\r | |
460 | da_ShellPoll(\r | |
461 | struct __filedes *filp,\r | |
462 | short events\r | |
463 | )\r | |
464 | {\r | |
465 | UINT32 RdyMask;\r | |
466 | short retval = 0;\r | |
467 | \r | |
468 | RdyMask = (UINT32)filp->Oflags;\r | |
469 | \r | |
470 | switch(RdyMask & O_ACCMODE) {\r | |
471 | case O_RDONLY:\r | |
472 | retval = (POLLIN | POLLRDNORM);\r | |
473 | break;\r | |
474 | \r | |
475 | case O_WRONLY:\r | |
476 | retval = POLLOUT;\r | |
477 | break;\r | |
478 | \r | |
479 | case O_RDWR:\r | |
480 | retval = (POLLIN | POLLRDNORM | POLLOUT);\r | |
481 | break;\r | |
482 | \r | |
483 | default:\r | |
484 | retval = POLLERR;\r | |
485 | break;\r | |
486 | }\r | |
487 | return (retval & (events | POLL_RETONLY));\r | |
488 | }\r | |
489 | \r | |
490 | static\r | |
491 | int\r | |
492 | EFIAPI\r | |
493 | da_ShellRename(\r | |
494 | const char *from,\r | |
495 | const char *to\r | |
496 | )\r | |
497 | {\r | |
498 | RETURN_STATUS Status;\r | |
499 | EFI_FILE_INFO *NewFileInfo;\r | |
500 | EFI_FILE_INFO *OldFileInfo;\r | |
d7ce7006 | 501 | wchar_t *NewFn;\r |
53e1e5c6 | 502 | int OldFd;\r |
503 | SHELL_FILE_HANDLE FileHandle;\r | |
d7ce7006 | 504 | wchar_t *NormalizedPath;\r |
53e1e5c6 | 505 | \r |
506 | // Open old file\r | |
507 | OldFd = open(from, O_RDWR, 0);\r | |
508 | if(OldFd >= 0) {\r | |
509 | FileHandle = (SHELL_FILE_HANDLE)gMD->fdarray[OldFd].devdata;\r | |
510 | \r | |
511 | NewFileInfo = malloc(sizeof(EFI_FILE_INFO) + PATH_MAX);\r | |
512 | if(NewFileInfo != NULL) {\r | |
513 | OldFileInfo = ShellGetFileInfo( FileHandle);\r | |
514 | if(OldFileInfo != NULL) {\r | |
515 | // Copy the Old file info into our new buffer, and free the old.\r | |
d7ce7006 | 516 | memcpy(NewFileInfo, OldFileInfo, sizeof(EFI_FILE_INFO));\r |
53e1e5c6 | 517 | FreePool(OldFileInfo);\r |
d7ce7006 | 518 | // Normalize path and convert to WCS.\r |
519 | NormalizedPath = NormalizePath(to);\r | |
520 | if (NormalizedPath != NULL) {\r | |
53e1e5c6 | 521 | // Strip off all but the file name portion of new\r |
d7ce7006 | 522 | NewFn = GetFileNameFromPath(NormalizedPath);\r |
53e1e5c6 | 523 | // Copy the new file name into our new file info buffer\r |
d7ce7006 | 524 | wcsncpy(NewFileInfo->FileName, NewFn, wcslen(NewFn) + 1);\r |
525 | // Update the size of the structure.\r | |
526 | NewFileInfo->Size = sizeof(EFI_FILE_INFO) + StrSize(NewFn);\r | |
53e1e5c6 | 527 | // Apply the new file name\r |
528 | Status = ShellSetFileInfo(FileHandle, NewFileInfo);\r | |
d7ce7006 | 529 | free(NormalizedPath);\r |
53e1e5c6 | 530 | free(NewFileInfo);\r |
531 | if(Status == EFI_SUCCESS) {\r | |
532 | // File has been successfully renamed. We are DONE!\r | |
533 | return 0;\r | |
534 | }\r | |
535 | errno = EFI2errno( Status );\r | |
536 | EFIerrno = Status;\r | |
537 | }\r | |
538 | else {\r | |
d7ce7006 | 539 | free(NewFileInfo);\r |
540 | errno = ENOMEM;\r | |
541 | }\r | |
542 | }\r | |
543 | else {\r | |
544 | free(NewFileInfo);\r | |
53e1e5c6 | 545 | errno = EIO;\r |
546 | }\r | |
547 | }\r | |
548 | else {\r | |
549 | errno = ENOMEM;\r | |
550 | }\r | |
551 | }\r | |
552 | return -1;\r | |
553 | }\r | |
554 | \r | |
555 | static\r | |
556 | int\r | |
557 | EFIAPI\r | |
558 | da_ShellRmdir(\r | |
559 | struct __filedes *filp\r | |
560 | )\r | |
561 | {\r | |
562 | SHELL_FILE_HANDLE FileHandle;\r | |
563 | RETURN_STATUS Status = RETURN_SUCCESS;\r | |
564 | EFI_FILE_INFO *FileInfo = NULL;\r | |
565 | int Count = 0;\r | |
566 | BOOLEAN NoFile = FALSE;\r | |
567 | \r | |
568 | errno = 0; // Make it easier to see if we have an error later\r | |
569 | \r | |
570 | FileHandle = (SHELL_FILE_HANDLE)filp->devdata;\r | |
571 | \r | |
572 | FileInfo = ShellGetFileInfo(FileHandle);\r | |
573 | if(FileInfo != NULL) {\r | |
574 | if((FileInfo->Attribute & EFI_FILE_DIRECTORY) == 0) {\r | |
575 | errno = ENOTDIR;\r | |
576 | }\r | |
577 | else {\r | |
578 | // See if the directory has any entries other than ".." and ".".\r | |
579 | FreePool(FileInfo); // Free up the buffer from ShellGetFileInfo()\r | |
580 | Status = ShellFindFirstFile( FileHandle, &FileInfo);\r | |
581 | if(Status == RETURN_SUCCESS) {\r | |
582 | ++Count;\r | |
583 | while(Count < 3) {\r | |
584 | Status = ShellFindNextFile( FileHandle, FileInfo, &NoFile);\r | |
585 | if(Status == RETURN_SUCCESS) {\r | |
586 | if(NoFile) {\r | |
587 | break;\r | |
588 | }\r | |
589 | ++Count;\r | |
590 | }\r | |
591 | else {\r | |
592 | Count = 99;\r | |
593 | }\r | |
594 | }\r | |
595 | FreePool(FileInfo); // Free buffer from ShellFindFirstFile()\r | |
596 | if(Count < 3) {\r | |
597 | // Directory is empty\r | |
598 | Status = ShellDeleteFile( &FileHandle);\r | |
599 | if(Status == RETURN_SUCCESS) {\r | |
600 | EFIerrno = RETURN_SUCCESS;\r | |
601 | return 0;\r | |
602 | /* ######## SUCCESSFUL RETURN ######## */\r | |
603 | }\r | |
604 | }\r | |
605 | else {\r | |
606 | if(Count == 99) {\r | |
607 | errno = EIO;\r | |
608 | }\r | |
609 | else {\r | |
610 | errno = ENOTEMPTY;\r | |
611 | }\r | |
612 | }\r | |
613 | }\r | |
614 | }\r | |
615 | }\r | |
616 | else {\r | |
617 | errno = EIO;\r | |
618 | }\r | |
619 | EFIerrno = Status;\r | |
620 | if(errno == 0) {\r | |
621 | errno = EFI2errno( Status );\r | |
622 | }\r | |
623 | return -1;\r | |
624 | }\r | |
625 | \r | |
626 | /** Construct an instance of the abstract Shell device.\r | |
627 | \r | |
628 | Allocate the instance structure and populate it with the information for\r | |
629 | the device.\r | |
630 | **/\r | |
631 | RETURN_STATUS\r | |
632 | EFIAPI\r | |
633 | __ctor_DevShell(\r | |
634 | IN EFI_HANDLE ImageHandle,\r | |
635 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
636 | )\r | |
637 | {\r | |
638 | GenericInstance *Stream;\r | |
639 | DeviceNode *Node;\r | |
640 | RETURN_STATUS Status;\r | |
641 | \r | |
642 | Stream = (GenericInstance *)AllocateZeroPool(sizeof(GenericInstance));\r | |
643 | if(Stream == NULL) {\r | |
644 | return RETURN_OUT_OF_RESOURCES;\r | |
645 | }\r | |
646 | \r | |
647 | Stream->Cookie = CON_COOKIE;\r | |
648 | Stream->InstanceNum = 1;\r | |
649 | Stream->Dev = NULL;\r | |
650 | Stream->Abstraction.fo_close = &da_ShellClose;\r | |
651 | Stream->Abstraction.fo_read = &da_ShellRead;\r | |
652 | Stream->Abstraction.fo_write = &da_ShellWrite;\r | |
653 | Stream->Abstraction.fo_fcntl = &fnullop_fcntl;\r | |
654 | Stream->Abstraction.fo_poll = &da_ShellPoll;\r | |
655 | Stream->Abstraction.fo_flush = &fnullop_flush;\r | |
656 | Stream->Abstraction.fo_stat = &da_ShellStat;\r | |
d7ce7006 | 657 | Stream->Abstraction.fo_ioctl = &da_ShellIoctl;\r |
53e1e5c6 | 658 | Stream->Abstraction.fo_delete = &da_ShellDelete;\r |
659 | Stream->Abstraction.fo_rmdir = &da_ShellRmdir;\r | |
660 | Stream->Abstraction.fo_mkdir = &da_ShellMkdir;\r | |
661 | Stream->Abstraction.fo_rename = &da_ShellRename;\r | |
662 | Stream->Abstraction.fo_lseek = &da_ShellSeek;\r | |
663 | \r | |
664 | Node = __DevRegister(NULL, NULL, &da_ShellOpen, Stream, 1, sizeof(GenericInstance), O_RDWR);\r | |
665 | Status = EFIerrno;\r | |
666 | Stream->Parent = Node;\r | |
667 | \r | |
668 | return Status;\r | |
669 | }\r | |
670 | \r | |
671 | RETURN_STATUS\r | |
672 | EFIAPI\r | |
673 | __dtor_DevShell(\r | |
674 | IN EFI_HANDLE ImageHandle,\r | |
675 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
676 | )\r | |
677 | {\r | |
678 | if(daDefaultDevice != NULL) {\r | |
679 | if(daDefaultDevice->InstanceList != NULL) {\r | |
680 | FreePool(daDefaultDevice->InstanceList);\r | |
681 | }\r | |
682 | FreePool(daDefaultDevice);\r | |
683 | }\r | |
684 | return RETURN_SUCCESS;\r | |
685 | }\r |