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a405b86d | 1 | /** @file\r |
2 | Member functions of EFI_SHELL_PARAMETERS_PROTOCOL and functions for creation,\r | |
3 | manipulation, and initialization of EFI_SHELL_PARAMETERS_PROTOCOL.\r | |
4 | \r | |
dcf9b428 | 5 | Copyright (c) 2013 Hewlett-Packard Development Company, L.P.\r |
49bb76ff | 6 | Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.<BR>\r |
a405b86d | 7 | This program and the accompanying materials\r |
8 | are licensed and made available under the terms and conditions of the BSD License\r | |
9 | which accompanies this distribution. The full text of the license may be found at\r | |
10 | http://opensource.org/licenses/bsd-license.php\r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
14 | \r | |
15 | **/\r | |
16 | \r | |
0406a571 | 17 | #include "Shell.h"\r |
a405b86d | 18 | \r |
19 | /**\r | |
20 | return the next parameter from a command line string;\r | |
21 | \r | |
22 | This function moves the next parameter from Walker into TempParameter and moves\r | |
23 | Walker up past that parameter for recursive calling. When the final parameter\r | |
24 | is moved *Walker will be set to NULL;\r | |
25 | \r | |
26 | Temp Parameter must be large enough to hold the parameter before calling this\r | |
27 | function.\r | |
28 | \r | |
4ff7e37b | 29 | @param[in, out] Walker pointer to string of command line. Adjusted to\r |
a405b86d | 30 | reminaing command line on return\r |
4ff7e37b | 31 | @param[in, out] TempParameter pointer to string of command line item extracted.\r |
a405b86d | 32 | \r |
33 | **/\r | |
34 | VOID\r | |
35 | EFIAPI\r | |
36 | GetNextParameter(\r | |
37 | CHAR16 **Walker,\r | |
38 | CHAR16 **TempParameter\r | |
39 | )\r | |
40 | {\r | |
41 | CHAR16 *NextDelim;\r | |
42 | CHAR16 *TempLoc;\r | |
43 | \r | |
44 | ASSERT(Walker != NULL);\r | |
45 | ASSERT(*Walker != NULL);\r | |
46 | ASSERT(TempParameter != NULL);\r | |
47 | ASSERT(*TempParameter != NULL);\r | |
48 | \r | |
49 | //\r | |
50 | // make sure we dont have any leading spaces\r | |
51 | //\r | |
52 | while ((*Walker)[0] == L' ') {\r | |
53 | (*Walker)++;\r | |
54 | }\r | |
55 | \r | |
56 | //\r | |
57 | // make sure we still have some params now...\r | |
58 | //\r | |
59 | if (StrLen(*Walker) == 0) {\r | |
60 | ASSERT((*Walker)[0] == CHAR_NULL);\r | |
61 | *Walker = NULL;\r | |
62 | return;\r | |
63 | }\r | |
64 | \r | |
65 | //\r | |
66 | // we have a quoted parameter\r | |
67 | // could be the last parameter, but SHOULD have a trailing quote\r | |
68 | //\r | |
69 | if ((*Walker)[0] == L'\"') {\r | |
70 | NextDelim = NULL;\r | |
71 | for (TempLoc = *Walker + 1 ; TempLoc != NULL && *TempLoc != CHAR_NULL ; TempLoc++) {\r | |
d8f8021c | 72 | if (*TempLoc == L'^' && *(TempLoc+1) == L'\"') {\r |
a405b86d | 73 | TempLoc++;\r |
a405b86d | 74 | } else if (*TempLoc == L'\"') {\r |
75 | NextDelim = TempLoc;\r | |
76 | break;\r | |
77 | }\r | |
78 | }\r | |
79 | \r | |
80 | if (NextDelim - ((*Walker)+1) == 0) {\r | |
81 | //\r | |
82 | // found ""\r | |
83 | //\r | |
84 | StrCpy(*TempParameter, L"");\r | |
85 | *Walker = NextDelim + 1;\r | |
86 | } else if (NextDelim != NULL) {\r | |
87 | StrnCpy(*TempParameter, (*Walker)+1, NextDelim - ((*Walker)+1));\r | |
88 | *Walker = NextDelim + 1;\r | |
89 | } else {\r | |
90 | //\r | |
91 | // last one... someone forgot the training quote!\r | |
92 | //\r | |
93 | StrCpy(*TempParameter, *Walker);\r | |
94 | *Walker = NULL;\r | |
95 | }\r | |
96 | for (TempLoc = *TempParameter ; TempLoc != NULL && *TempLoc != CHAR_NULL ; TempLoc++) {\r | |
d8f8021c | 97 | if (*TempLoc == L'^' && *(TempLoc+1) == L'\"') {\r |
a405b86d | 98 | CopyMem(TempLoc, TempLoc+1, StrSize(TempLoc) - sizeof(TempLoc[0]));\r |
99 | }\r | |
100 | }\r | |
101 | } else {\r | |
102 | //\r | |
103 | // we have a regular parameter (no quote) OR\r | |
104 | // we have the final parameter (no trailing space)\r | |
105 | //\r | |
106 | NextDelim = StrStr((*Walker), L" ");\r | |
107 | if (NextDelim != NULL) {\r | |
108 | StrnCpy(*TempParameter, *Walker, NextDelim - (*Walker));\r | |
109 | (*TempParameter)[NextDelim - (*Walker)] = CHAR_NULL;\r | |
110 | *Walker = NextDelim+1;\r | |
111 | } else {\r | |
112 | //\r | |
113 | // last one.\r | |
114 | //\r | |
115 | StrCpy(*TempParameter, *Walker);\r | |
116 | *Walker = NULL;\r | |
117 | }\r | |
118 | for (NextDelim = *TempParameter ; NextDelim != NULL && *NextDelim != CHAR_NULL ; NextDelim++) {\r | |
119 | if (*NextDelim == L'^' && *(NextDelim+1) == L'^') {\r | |
120 | CopyMem(NextDelim, NextDelim+1, StrSize(NextDelim) - sizeof(NextDelim[0]));\r | |
d8f8021c | 121 | }\r |
a405b86d | 122 | }\r |
123 | while ((*TempParameter)[StrLen(*TempParameter)-1] == L' ') {\r | |
124 | (*TempParameter)[StrLen(*TempParameter)-1] = CHAR_NULL;\r | |
125 | }\r | |
126 | while ((*TempParameter)[0] == L' ') {\r | |
127 | CopyMem(*TempParameter, (*TempParameter)+1, StrSize(*TempParameter) - sizeof((*TempParameter)[0]));\r | |
128 | }\r | |
129 | }\r | |
130 | return;\r | |
131 | }\r | |
132 | \r | |
133 | /**\r | |
733f138d | 134 | Function to populate Argc and Argv.\r |
a405b86d | 135 | \r |
136 | This function parses the CommandLine and divides it into standard C style Argc/Argv\r | |
137 | parameters for inclusion in EFI_SHELL_PARAMETERS_PROTOCOL. this supports space\r | |
138 | delimited and quote surrounded parameter definition.\r | |
139 | \r | |
4ff7e37b ED |
140 | @param[in] CommandLine String of command line to parse\r |
141 | @param[in, out] Argv pointer to array of strings; one for each parameter\r | |
142 | @param[in, out] Argc pointer to number of strings in Argv array\r | |
a405b86d | 143 | \r |
144 | @return EFI_SUCCESS the operation was sucessful\r | |
145 | @return EFI_OUT_OF_RESOURCES a memory allocation failed.\r | |
146 | **/\r | |
147 | EFI_STATUS\r | |
148 | EFIAPI\r | |
149 | ParseCommandLineToArgs(\r | |
150 | IN CONST CHAR16 *CommandLine,\r | |
151 | IN OUT CHAR16 ***Argv,\r | |
152 | IN OUT UINTN *Argc\r | |
153 | )\r | |
154 | {\r | |
155 | UINTN Count;\r | |
156 | CHAR16 *TempParameter;\r | |
157 | CHAR16 *Walker;\r | |
158 | CHAR16 *NewParam;\r | |
159 | UINTN Size;\r | |
160 | \r | |
161 | ASSERT(Argc != NULL);\r | |
162 | ASSERT(Argv != NULL);\r | |
163 | \r | |
164 | if (CommandLine == NULL || StrLen(CommandLine)==0) {\r | |
165 | (*Argc) = 0;\r | |
166 | (*Argv) = NULL;\r | |
167 | return (EFI_SUCCESS);\r | |
168 | }\r | |
169 | \r | |
170 | Size = StrSize(CommandLine);\r | |
171 | TempParameter = AllocateZeroPool(Size);\r | |
172 | if (TempParameter == NULL) {\r | |
173 | return (EFI_OUT_OF_RESOURCES);\r | |
174 | }\r | |
175 | \r | |
176 | for ( Count = 0\r | |
177 | , Walker = (CHAR16*)CommandLine\r | |
178 | ; Walker != NULL && *Walker != CHAR_NULL\r | |
179 | ; GetNextParameter(&Walker, &TempParameter)\r | |
180 | , Count++\r | |
181 | );\r | |
182 | \r | |
183 | /* Count = 0;\r | |
184 | Walker = (CHAR16*)CommandLine;\r | |
185 | while(Walker != NULL) {\r | |
186 | GetNextParameter(&Walker, &TempParameter);\r | |
187 | Count++;\r | |
188 | }\r | |
189 | */\r | |
190 | //\r | |
191 | // lets allocate the pointer array\r | |
192 | //\r | |
193 | (*Argv) = AllocateZeroPool((Count)*sizeof(CHAR16*));\r | |
194 | if (*Argv == NULL) {\r | |
3f869579 | 195 | SHELL_FREE_NON_NULL(TempParameter);\r |
a405b86d | 196 | return (EFI_OUT_OF_RESOURCES);\r |
197 | }\r | |
198 | \r | |
199 | *Argc = 0;\r | |
200 | Walker = (CHAR16*)CommandLine;\r | |
201 | while(Walker != NULL && *Walker != CHAR_NULL) {\r | |
202 | SetMem16(TempParameter, Size, CHAR_NULL);\r | |
203 | GetNextParameter(&Walker, &TempParameter);\r | |
204 | NewParam = AllocateZeroPool(StrSize(TempParameter));\r | |
205 | ASSERT(NewParam != NULL);\r | |
206 | StrCpy(NewParam, TempParameter);\r | |
207 | ((CHAR16**)(*Argv))[(*Argc)] = NewParam;\r | |
208 | (*Argc)++;\r | |
209 | }\r | |
210 | ASSERT(Count >= (*Argc));\r | |
3f869579 | 211 | SHELL_FREE_NON_NULL(TempParameter);\r |
a405b86d | 212 | return (EFI_SUCCESS);\r |
213 | }\r | |
214 | \r | |
215 | /**\r | |
216 | creates a new EFI_SHELL_PARAMETERS_PROTOCOL instance and populates it and then\r | |
217 | installs it on our handle and if there is an existing version of the protocol\r | |
218 | that one is cached for removal later.\r | |
219 | \r | |
4ff7e37b | 220 | @param[in, out] NewShellParameters on a successful return, a pointer to pointer\r |
a405b86d | 221 | to the newly installed interface.\r |
4ff7e37b | 222 | @param[in, out] RootShellInstance on a successful return, pointer to boolean.\r |
a405b86d | 223 | TRUE if this is the root shell instance.\r |
224 | \r | |
225 | @retval EFI_SUCCESS the operation completed successfully.\r | |
226 | @return other the operation failed.\r | |
227 | @sa ReinstallProtocolInterface\r | |
228 | @sa InstallProtocolInterface\r | |
229 | @sa ParseCommandLineToArgs\r | |
230 | **/\r | |
231 | EFI_STATUS\r | |
232 | EFIAPI\r | |
233 | CreatePopulateInstallShellParametersProtocol (\r | |
234 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL **NewShellParameters,\r | |
235 | IN OUT BOOLEAN *RootShellInstance\r | |
236 | )\r | |
237 | {\r | |
238 | EFI_STATUS Status;\r | |
239 | EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;\r | |
240 | CHAR16 *FullCommandLine;\r | |
241 | UINTN Size;\r | |
242 | \r | |
243 | Size = 0;\r | |
244 | FullCommandLine = NULL;\r | |
245 | LoadedImage = NULL;\r | |
246 | \r | |
247 | //\r | |
248 | // Assert for valid parameters\r | |
249 | //\r | |
250 | ASSERT(NewShellParameters != NULL);\r | |
251 | ASSERT(RootShellInstance != NULL);\r | |
252 | \r | |
253 | //\r | |
254 | // See if we have a shell parameters placed on us\r | |
255 | //\r | |
256 | Status = gBS->OpenProtocol (\r | |
257 | gImageHandle,\r | |
258 | &gEfiShellParametersProtocolGuid,\r | |
259 | (VOID **) &ShellInfoObject.OldShellParameters,\r | |
260 | gImageHandle,\r | |
261 | NULL,\r | |
262 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
263 | );\r | |
264 | //\r | |
265 | // if we don't then we must be the root shell (error is expected)\r | |
266 | //\r | |
267 | if (EFI_ERROR (Status)) {\r | |
268 | *RootShellInstance = TRUE;\r | |
269 | }\r | |
270 | \r | |
271 | //\r | |
272 | // Allocate the new structure\r | |
273 | //\r | |
274 | *NewShellParameters = AllocateZeroPool(sizeof(EFI_SHELL_PARAMETERS_PROTOCOL));\r | |
3c865f20 | 275 | if ((*NewShellParameters) == NULL) {\r |
276 | return (EFI_OUT_OF_RESOURCES);\r | |
277 | }\r | |
a405b86d | 278 | \r |
279 | //\r | |
280 | // get loaded image protocol\r | |
281 | //\r | |
282 | Status = gBS->OpenProtocol (\r | |
283 | gImageHandle,\r | |
284 | &gEfiLoadedImageProtocolGuid,\r | |
285 | (VOID **) &LoadedImage,\r | |
286 | gImageHandle,\r | |
287 | NULL,\r | |
288 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
289 | );\r | |
290 | ASSERT_EFI_ERROR(Status);\r | |
291 | //\r | |
292 | // Build the full command line\r | |
293 | //\r | |
e886b675 | 294 | Status = SHELL_GET_ENVIRONMENT_VARIABLE(L"ShellOpt", &Size, FullCommandLine);\r |
a405b86d | 295 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
296 | FullCommandLine = AllocateZeroPool(Size + LoadedImage->LoadOptionsSize);\r | |
e886b675 | 297 | Status = SHELL_GET_ENVIRONMENT_VARIABLE(L"ShellOpt", &Size, FullCommandLine);\r |
a405b86d | 298 | }\r |
299 | if (Status == EFI_NOT_FOUND) {\r | |
300 | //\r | |
301 | // no parameters via environment... ok\r | |
302 | //\r | |
303 | } else {\r | |
3c865f20 | 304 | if (EFI_ERROR(Status)) {\r |
305 | return (Status);\r | |
306 | }\r | |
a405b86d | 307 | }\r |
308 | if (Size == 0 && LoadedImage->LoadOptionsSize != 0) {\r | |
3c865f20 | 309 | ASSERT(FullCommandLine == NULL);\r |
a405b86d | 310 | //\r |
311 | // Now we need to include a NULL terminator in the size.\r | |
312 | //\r | |
313 | Size = LoadedImage->LoadOptionsSize + sizeof(FullCommandLine[0]);\r | |
314 | FullCommandLine = AllocateZeroPool(Size);\r | |
315 | }\r | |
a405b86d | 316 | if (FullCommandLine != NULL) {\r |
2c5a8aed | 317 | CopyMem (FullCommandLine, LoadedImage->LoadOptions, LoadedImage->LoadOptionsSize);\r |
a405b86d | 318 | //\r |
319 | // Populate Argc and Argv\r | |
320 | //\r | |
321 | Status = ParseCommandLineToArgs(FullCommandLine,\r | |
322 | &(*NewShellParameters)->Argv,\r | |
323 | &(*NewShellParameters)->Argc);\r | |
324 | \r | |
325 | FreePool(FullCommandLine);\r | |
326 | \r | |
327 | ASSERT_EFI_ERROR(Status);\r | |
328 | } else {\r | |
329 | (*NewShellParameters)->Argv = NULL;\r | |
330 | (*NewShellParameters)->Argc = 0;\r | |
331 | }\r | |
332 | \r | |
333 | //\r | |
334 | // Populate the 3 faked file systems...\r | |
335 | //\r | |
336 | if (*RootShellInstance) {\r | |
337 | (*NewShellParameters)->StdIn = &FileInterfaceStdIn;\r | |
338 | (*NewShellParameters)->StdOut = &FileInterfaceStdOut;\r | |
339 | (*NewShellParameters)->StdErr = &FileInterfaceStdErr;\r | |
340 | Status = gBS->InstallProtocolInterface(&gImageHandle,\r | |
341 | &gEfiShellParametersProtocolGuid,\r | |
342 | EFI_NATIVE_INTERFACE,\r | |
343 | (VOID*)(*NewShellParameters));\r | |
344 | } else {\r | |
345 | //\r | |
346 | // copy from the existing ones\r | |
347 | //\r | |
348 | (*NewShellParameters)->StdIn = ShellInfoObject.OldShellParameters->StdIn;\r | |
349 | (*NewShellParameters)->StdOut = ShellInfoObject.OldShellParameters->StdOut;\r | |
350 | (*NewShellParameters)->StdErr = ShellInfoObject.OldShellParameters->StdErr;\r | |
351 | Status = gBS->ReinstallProtocolInterface(gImageHandle,\r | |
352 | &gEfiShellParametersProtocolGuid,\r | |
353 | (VOID*)ShellInfoObject.OldShellParameters,\r | |
354 | (VOID*)(*NewShellParameters));\r | |
355 | }\r | |
356 | \r | |
357 | return (Status);\r | |
358 | }\r | |
359 | \r | |
360 | /**\r | |
361 | frees all memory used by createion and installation of shell parameters protocol\r | |
362 | and if there was an old version installed it will restore that one.\r | |
363 | \r | |
364 | @param NewShellParameters the interface of EFI_SHELL_PARAMETERS_PROTOCOL that is\r | |
365 | being cleaned up.\r | |
366 | \r | |
367 | @retval EFI_SUCCESS the cleanup was successful\r | |
368 | @return other the cleanup failed\r | |
369 | @sa ReinstallProtocolInterface\r | |
370 | @sa UninstallProtocolInterface\r | |
371 | **/\r | |
372 | EFI_STATUS\r | |
373 | EFIAPI\r | |
374 | CleanUpShellParametersProtocol (\r | |
375 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *NewShellParameters\r | |
376 | )\r | |
377 | {\r | |
378 | EFI_STATUS Status;\r | |
379 | UINTN LoopCounter;\r | |
380 | \r | |
381 | //\r | |
382 | // If the old exists we need to restore it\r | |
383 | //\r | |
384 | if (ShellInfoObject.OldShellParameters != NULL) {\r | |
385 | Status = gBS->ReinstallProtocolInterface(gImageHandle,\r | |
386 | &gEfiShellParametersProtocolGuid,\r | |
387 | (VOID*)NewShellParameters,\r | |
388 | (VOID*)ShellInfoObject.OldShellParameters);\r | |
389 | DEBUG_CODE(ShellInfoObject.OldShellParameters = NULL;);\r | |
390 | } else {\r | |
391 | //\r | |
392 | // No old one, just uninstall us...\r | |
393 | //\r | |
394 | Status = gBS->UninstallProtocolInterface(gImageHandle,\r | |
395 | &gEfiShellParametersProtocolGuid,\r | |
396 | (VOID*)NewShellParameters);\r | |
397 | }\r | |
398 | if (NewShellParameters->Argv != NULL) {\r | |
399 | for ( LoopCounter = 0\r | |
400 | ; LoopCounter < NewShellParameters->Argc\r | |
401 | ; LoopCounter++\r | |
402 | ){\r | |
403 | FreePool(NewShellParameters->Argv[LoopCounter]);\r | |
404 | }\r | |
405 | FreePool(NewShellParameters->Argv);\r | |
406 | }\r | |
407 | FreePool(NewShellParameters);\r | |
408 | return (Status);\r | |
409 | }\r | |
410 | \r | |
ae724571 | 411 | /**\r |
412 | Determin if a file name represents a unicode file.\r | |
413 | \r | |
414 | @param[in] FileName Pointer to the filename to open.\r | |
415 | \r | |
416 | @retval EFI_SUCCESS The file is a unicode file.\r | |
417 | @return An error upon failure.\r | |
418 | **/\r | |
733f138d | 419 | EFI_STATUS\r |
420 | EFIAPI\r | |
421 | IsUnicodeFile(\r | |
422 | IN CONST CHAR16 *FileName\r | |
423 | )\r | |
424 | {\r | |
425 | SHELL_FILE_HANDLE Handle;\r | |
426 | EFI_STATUS Status;\r | |
427 | UINT64 OriginalFilePosition;\r | |
428 | UINTN CharSize;\r | |
429 | CHAR16 CharBuffer;\r | |
430 | \r | |
431 | Status = gEfiShellProtocol->OpenFileByName(FileName, &Handle, EFI_FILE_MODE_READ);\r | |
432 | if (EFI_ERROR(Status)) {\r | |
433 | return (Status);\r | |
434 | }\r | |
435 | gEfiShellProtocol->GetFilePosition(Handle, &OriginalFilePosition);\r | |
436 | gEfiShellProtocol->SetFilePosition(Handle, 0);\r | |
437 | CharSize = sizeof(CHAR16);\r | |
438 | Status = gEfiShellProtocol->ReadFile(Handle, &CharSize, &CharBuffer);\r | |
439 | if (EFI_ERROR(Status) || CharBuffer != gUnicodeFileTag) {\r | |
440 | Status = EFI_BUFFER_TOO_SMALL;\r | |
441 | }\r | |
442 | gEfiShellProtocol->SetFilePosition(Handle, OriginalFilePosition);\r | |
443 | gEfiShellProtocol->CloseFile(Handle);\r | |
444 | return (Status); \r | |
445 | }\r | |
446 | \r | |
fb84495a | 447 | /**\r |
448 | Strips out quotes sections of a string.\r | |
449 | \r | |
450 | All of the characters between quotes is replaced with spaces.\r | |
a1d4bfcc | 451 | \r |
4ff7e37b | 452 | @param[in, out] TheString A pointer to the string to update.\r |
fb84495a | 453 | **/\r |
454 | VOID\r | |
455 | EFIAPI\r | |
456 | StripQuotes (\r | |
457 | IN OUT CHAR16 *TheString\r | |
458 | )\r | |
459 | {\r | |
460 | BOOLEAN RemoveNow;\r | |
461 | \r | |
462 | for (RemoveNow = FALSE ; TheString != NULL && *TheString != CHAR_NULL ; TheString++) {\r | |
463 | if (*TheString == L'^' && *(TheString + 1) == L'\"') {\r | |
464 | TheString++;\r | |
465 | } else if (*TheString == L'\"') {\r | |
466 | RemoveNow = (BOOLEAN)!RemoveNow;\r | |
467 | } else if (RemoveNow) {\r | |
468 | *TheString = L' ';\r | |
469 | }\r | |
470 | }\r | |
471 | }\r | |
472 | \r | |
cf6a8f14 | 473 | /**\r |
474 | Calcualte the 32-bit CRC in a EFI table using the service provided by the\r | |
475 | gRuntime service.\r | |
476 | \r | |
477 | @param Hdr Pointer to an EFI standard header\r | |
478 | \r | |
479 | **/\r | |
480 | VOID\r | |
481 | CalculateEfiHdrCrc (\r | |
482 | IN OUT EFI_TABLE_HEADER *Hdr\r | |
483 | )\r | |
484 | {\r | |
485 | UINT32 Crc;\r | |
486 | \r | |
487 | Hdr->CRC32 = 0;\r | |
488 | \r | |
489 | //\r | |
490 | // If gBS->CalculateCrce32 () == CoreEfiNotAvailableYet () then\r | |
491 | // Crc will come back as zero if we set it to zero here\r | |
492 | //\r | |
493 | Crc = 0;\r | |
494 | gBS->CalculateCrc32 ((UINT8 *)Hdr, Hdr->HeaderSize, &Crc);\r | |
495 | Hdr->CRC32 = Crc;\r | |
496 | }\r | |
497 | \r | |
031acf63 | 498 | /**\r |
499 | Fix a string to only have the file name, removing starting at the first space of whatever is quoted.\r | |
500 | \r | |
501 | @param[in] FileName The filename to start with.\r | |
502 | \r | |
503 | @retval NULL FileName was invalid.\r | |
504 | @return The modified FileName.\r | |
505 | **/\r | |
506 | CHAR16*\r | |
507 | EFIAPI\r | |
508 | FixFileName (\r | |
509 | IN CHAR16 *FileName\r | |
510 | )\r | |
511 | {\r | |
512 | CHAR16 *Copy;\r | |
513 | CHAR16 *TempLocation;\r | |
514 | \r | |
515 | if (FileName == NULL) {\r | |
516 | return (NULL);\r | |
517 | }\r | |
518 | \r | |
519 | if (FileName[0] == L'\"') {\r | |
520 | Copy = FileName+1;\r | |
521 | if ((TempLocation = StrStr(Copy , L"\"")) != NULL) {\r | |
522 | TempLocation[0] = CHAR_NULL;\r | |
523 | } \r | |
524 | } else {\r | |
525 | Copy = FileName;\r | |
f9aefb6a | 526 | while(Copy[0] == L' ') {\r |
527 | Copy++;\r | |
528 | }\r | |
031acf63 | 529 | if ((TempLocation = StrStr(Copy , L" ")) != NULL) {\r |
530 | TempLocation[0] = CHAR_NULL;\r | |
531 | } \r | |
532 | }\r | |
533 | \r | |
534 | if (Copy[0] == CHAR_NULL) {\r | |
535 | return (NULL);\r | |
536 | }\r | |
537 | \r | |
538 | return (Copy);\r | |
539 | }\r | |
540 | \r | |
6813ba40 JC |
541 | /**\r |
542 | Fix a string to only have the environment variable name, removing starting at the first space of whatever is quoted and removing the leading and trailing %.\r | |
543 | \r | |
544 | @param[in] FileName The filename to start with.\r | |
545 | \r | |
546 | @retval NULL FileName was invalid.\r | |
547 | @return The modified FileName.\r | |
548 | **/\r | |
549 | CHAR16*\r | |
550 | EFIAPI\r | |
551 | FixVarName (\r | |
552 | IN CHAR16 *FileName\r | |
553 | )\r | |
554 | {\r | |
555 | CHAR16 *Copy;\r | |
556 | CHAR16 *TempLocation;\r | |
557 | \r | |
558 | Copy = FileName;\r | |
559 | \r | |
560 | if (FileName[0] == L'%') {\r | |
561 | Copy = FileName+1;\r | |
562 | if ((TempLocation = StrStr(Copy , L"%")) != NULL) {\r | |
563 | TempLocation[0] = CHAR_NULL;\r | |
564 | } \r | |
565 | }\r | |
566 | \r | |
567 | return (FixFileName(Copy));\r | |
568 | }\r | |
569 | \r | |
49bb76ff JC |
570 | /**\r |
571 | Remove the unicode file tag from the begining of the file buffer since that will not be\r | |
572 | used by StdIn.\r | |
f614ce7e SQ |
573 | \r |
574 | @param[in] Handle Pointer to the handle of the file to be processed.\r | |
575 | \r | |
576 | @retval EFI_SUCCESS The unicode file tag has been moved successfully.\r | |
49bb76ff JC |
577 | **/\r |
578 | EFI_STATUS\r | |
579 | EFIAPI\r | |
580 | RemoveFileTag(\r | |
581 | IN SHELL_FILE_HANDLE *Handle\r | |
582 | )\r | |
583 | {\r | |
584 | UINTN CharSize;\r | |
585 | CHAR16 CharBuffer;\r | |
586 | \r | |
587 | CharSize = sizeof(CHAR16);\r | |
588 | CharBuffer = 0;\r | |
589 | gEfiShellProtocol->ReadFile(*Handle, &CharSize, &CharBuffer);\r | |
590 | if (CharBuffer != gUnicodeFileTag) {\r | |
591 | gEfiShellProtocol->SetFilePosition(*Handle, 0);\r | |
592 | }\r | |
593 | return (EFI_SUCCESS);\r | |
594 | }\r | |
595 | \r | |
a405b86d | 596 | /**\r |
597 | Funcion will replace the current StdIn and StdOut in the ShellParameters protocol\r | |
598 | structure by parsing NewCommandLine. The current values are returned to the\r | |
599 | user.\r | |
600 | \r | |
8be0ba36 | 601 | This will also update the system table.\r |
a405b86d | 602 | \r |
4ff7e37b ED |
603 | @param[in, out] ShellParameters Pointer to parameter structure to modify.\r |
604 | @param[in] NewCommandLine The new command line to parse and use.\r | |
605 | @param[out] OldStdIn Pointer to old StdIn.\r | |
606 | @param[out] OldStdOut Pointer to old StdOut.\r | |
607 | @param[out] OldStdErr Pointer to old StdErr.\r | |
608 | @param[out] SystemTableInfo Pointer to old system table information.\r | |
a405b86d | 609 | \r |
610 | @retval EFI_SUCCESS Operation was sucessful, Argv and Argc are valid.\r | |
611 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
612 | **/\r | |
613 | EFI_STATUS\r | |
614 | EFIAPI\r | |
615 | UpdateStdInStdOutStdErr(\r | |
616 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *ShellParameters,\r | |
fb84495a | 617 | IN CHAR16 *NewCommandLine,\r |
a405b86d | 618 | OUT SHELL_FILE_HANDLE *OldStdIn,\r |
619 | OUT SHELL_FILE_HANDLE *OldStdOut,\r | |
8be0ba36 | 620 | OUT SHELL_FILE_HANDLE *OldStdErr,\r |
621 | OUT SYSTEM_TABLE_INFO *SystemTableInfo\r | |
a405b86d | 622 | )\r |
623 | {\r | |
624 | CHAR16 *CommandLineCopy;\r | |
625 | CHAR16 *CommandLineWalker;\r | |
626 | CHAR16 *StdErrFileName;\r | |
627 | CHAR16 *StdOutFileName;\r | |
628 | CHAR16 *StdInFileName;\r | |
629 | CHAR16 *StdInVarName;\r | |
630 | CHAR16 *StdOutVarName;\r | |
631 | CHAR16 *StdErrVarName;\r | |
632 | EFI_STATUS Status;\r | |
633 | SHELL_FILE_HANDLE TempHandle;\r | |
634 | UINT64 FileSize;\r | |
635 | BOOLEAN OutUnicode;\r | |
636 | BOOLEAN InUnicode;\r | |
637 | BOOLEAN ErrUnicode;\r | |
638 | BOOLEAN OutAppend;\r | |
639 | BOOLEAN ErrAppend;\r | |
640 | UINTN Size;\r | |
641 | CHAR16 TagBuffer[2];\r | |
642 | SPLIT_LIST *Split;\r | |
fb84495a | 643 | CHAR16 *FirstLocation;\r |
a405b86d | 644 | \r |
a405b86d | 645 | OutUnicode = TRUE;\r |
646 | InUnicode = TRUE;\r | |
647 | ErrUnicode = TRUE;\r | |
648 | StdInVarName = NULL;\r | |
649 | StdOutVarName = NULL;\r | |
650 | StdErrVarName = NULL;\r | |
651 | StdErrFileName = NULL;\r | |
652 | StdInFileName = NULL;\r | |
653 | StdOutFileName = NULL;\r | |
654 | ErrAppend = FALSE;\r | |
655 | OutAppend = FALSE;\r | |
656 | CommandLineCopy = NULL;\r | |
5f2915f5 | 657 | FirstLocation = NULL;\r |
a405b86d | 658 | \r |
8be0ba36 | 659 | if (ShellParameters == NULL || SystemTableInfo == NULL || OldStdIn == NULL || OldStdOut == NULL || OldStdErr == NULL) {\r |
660 | return (EFI_INVALID_PARAMETER);\r | |
a405b86d | 661 | }\r |
662 | \r | |
8be0ba36 | 663 | SystemTableInfo->ConIn = gST->ConIn;\r |
664 | SystemTableInfo->ConInHandle = gST->ConsoleInHandle;\r | |
665 | SystemTableInfo->ConOut = gST->ConOut;\r | |
666 | SystemTableInfo->ConOutHandle = gST->ConsoleOutHandle;\r | |
4ccd9214 ED |
667 | SystemTableInfo->ErrOut = gST->StdErr;\r |
668 | SystemTableInfo->ErrOutHandle = gST->StandardErrorHandle;\r | |
8be0ba36 | 669 | *OldStdIn = ShellParameters->StdIn;\r |
670 | *OldStdOut = ShellParameters->StdOut;\r | |
671 | *OldStdErr = ShellParameters->StdErr;\r | |
672 | \r | |
a405b86d | 673 | if (NewCommandLine == NULL) {\r |
674 | return (EFI_SUCCESS);\r | |
675 | }\r | |
676 | \r | |
677 | CommandLineCopy = StrnCatGrow(&CommandLineCopy, NULL, NewCommandLine, 0);\r | |
532691c8 | 678 | if (CommandLineCopy == NULL) {\r |
679 | return (EFI_OUT_OF_RESOURCES);\r | |
680 | }\r | |
a405b86d | 681 | Status = EFI_SUCCESS;\r |
682 | Split = NULL;\r | |
5f2915f5 | 683 | FirstLocation = CommandLineCopy + StrLen(CommandLineCopy);\r |
a405b86d | 684 | \r |
fb84495a | 685 | StripQuotes(CommandLineCopy);\r |
686 | \r | |
a405b86d | 687 | if (!IsListEmpty(&ShellInfoObject.SplitList.Link)) {\r |
688 | Split = (SPLIT_LIST*)GetFirstNode(&ShellInfoObject.SplitList.Link);\r | |
689 | if (Split != NULL && Split->SplitStdIn != NULL) {\r | |
690 | ShellParameters->StdIn = Split->SplitStdIn;\r | |
691 | }\r | |
692 | if (Split != NULL && Split->SplitStdOut != NULL) {\r | |
693 | ShellParameters->StdOut = Split->SplitStdOut;\r | |
694 | }\r | |
695 | }\r | |
696 | \r | |
697 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2>>v ")) != NULL) {\r | |
fb84495a | 698 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 699 | SetMem16(CommandLineWalker, 12, L' ');\r |
a405b86d | 700 | StdErrVarName = CommandLineWalker += 6;\r |
701 | ErrAppend = TRUE;\r | |
733f138d | 702 | if (StrStr(CommandLineWalker, L" 2>>v ") != NULL) {\r |
703 | Status = EFI_NOT_FOUND;\r | |
704 | }\r | |
a405b86d | 705 | }\r |
706 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>>v ")) != NULL) {\r | |
fb84495a | 707 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 708 | SetMem16(CommandLineWalker, 12, L' ');\r |
a405b86d | 709 | StdOutVarName = CommandLineWalker += 6;\r |
710 | OutAppend = TRUE;\r | |
733f138d | 711 | if (StrStr(CommandLineWalker, L" 1>>v ") != NULL) {\r |
712 | Status = EFI_NOT_FOUND;\r | |
713 | }\r | |
a405b86d | 714 | } else if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >>v ")) != NULL) {\r |
fb84495a | 715 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 716 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 717 | StdOutVarName = CommandLineWalker += 5;\r |
718 | OutAppend = TRUE;\r | |
733f138d | 719 | if (StrStr(CommandLineWalker, L" >>v ") != NULL) {\r |
720 | Status = EFI_NOT_FOUND;\r | |
721 | }\r | |
a405b86d | 722 | } else if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >v ")) != NULL) {\r |
fb84495a | 723 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 724 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 725 | StdOutVarName = CommandLineWalker += 4;\r |
726 | OutAppend = FALSE;\r | |
733f138d | 727 | if (StrStr(CommandLineWalker, L" >v ") != NULL) {\r |
728 | Status = EFI_NOT_FOUND;\r | |
729 | }\r | |
a405b86d | 730 | }\r |
731 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>>a ")) != NULL) {\r | |
fb84495a | 732 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 733 | SetMem16(CommandLineWalker, 12, L' ');\r |
a405b86d | 734 | StdOutFileName = CommandLineWalker += 6;\r |
735 | OutAppend = TRUE;\r | |
736 | OutUnicode = FALSE;\r | |
733f138d | 737 | if (StrStr(CommandLineWalker, L" 1>>a ") != NULL) {\r |
738 | Status = EFI_NOT_FOUND;\r | |
739 | }\r | |
a405b86d | 740 | }\r |
741 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>> ")) != NULL) {\r | |
fb84495a | 742 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 743 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 744 | if (StdOutFileName != NULL) {\r |
745 | Status = EFI_INVALID_PARAMETER;\r | |
746 | } else {\r | |
747 | StdOutFileName = CommandLineWalker += 5;\r | |
748 | OutAppend = TRUE;\r | |
749 | }\r | |
733f138d | 750 | if (StrStr(CommandLineWalker, L" 1>> ") != NULL) {\r |
751 | Status = EFI_NOT_FOUND;\r | |
752 | }\r | |
a405b86d | 753 | } \r |
754 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >> ")) != NULL) {\r | |
fb84495a | 755 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 756 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 757 | if (StdOutFileName != NULL) {\r |
758 | Status = EFI_INVALID_PARAMETER;\r | |
759 | } else {\r | |
760 | StdOutFileName = CommandLineWalker += 4;\r | |
761 | OutAppend = TRUE;\r | |
762 | }\r | |
733f138d | 763 | if (StrStr(CommandLineWalker, L" >> ") != NULL) {\r |
764 | Status = EFI_NOT_FOUND;\r | |
765 | }\r | |
a405b86d | 766 | }\r |
767 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >>a ")) != NULL) {\r | |
fb84495a | 768 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 769 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 770 | if (StdOutFileName != NULL) {\r |
771 | Status = EFI_INVALID_PARAMETER;\r | |
772 | } else {\r | |
773 | StdOutFileName = CommandLineWalker += 5;\r | |
774 | OutAppend = TRUE;\r | |
775 | OutUnicode = FALSE;\r | |
776 | }\r | |
733f138d | 777 | if (StrStr(CommandLineWalker, L" >>a ") != NULL) {\r |
778 | Status = EFI_NOT_FOUND;\r | |
779 | }\r | |
a405b86d | 780 | } \r |
781 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>a ")) != NULL) {\r | |
fb84495a | 782 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 783 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 784 | if (StdOutFileName != NULL) {\r |
785 | Status = EFI_INVALID_PARAMETER;\r | |
786 | } else {\r | |
787 | StdOutFileName = CommandLineWalker += 5;\r | |
788 | OutAppend = FALSE;\r | |
789 | OutUnicode = FALSE;\r | |
790 | }\r | |
733f138d | 791 | if (StrStr(CommandLineWalker, L" 1>a ") != NULL) {\r |
792 | Status = EFI_NOT_FOUND;\r | |
793 | }\r | |
a405b86d | 794 | } \r |
795 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >a ")) != NULL) {\r | |
fb84495a | 796 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 797 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 798 | if (StdOutFileName != NULL) {\r |
799 | Status = EFI_INVALID_PARAMETER;\r | |
800 | } else {\r | |
801 | StdOutFileName = CommandLineWalker += 4;\r | |
802 | OutAppend = FALSE;\r | |
803 | OutUnicode = FALSE;\r | |
804 | }\r | |
733f138d | 805 | if (StrStr(CommandLineWalker, L" >a ") != NULL) {\r |
806 | Status = EFI_NOT_FOUND;\r | |
807 | }\r | |
a405b86d | 808 | }\r |
809 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2>> ")) != NULL) {\r | |
fb84495a | 810 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 811 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 812 | if (StdErrFileName != NULL) {\r |
813 | Status = EFI_INVALID_PARAMETER;\r | |
814 | } else {\r | |
815 | StdErrFileName = CommandLineWalker += 5;\r | |
816 | ErrAppend = TRUE;\r | |
817 | }\r | |
733f138d | 818 | if (StrStr(CommandLineWalker, L" 2>> ") != NULL) {\r |
819 | Status = EFI_NOT_FOUND;\r | |
820 | }\r | |
a405b86d | 821 | }\r |
822 | \r | |
823 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2>v ")) != NULL) {\r | |
fb84495a | 824 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 825 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 826 | if (StdErrVarName != NULL) {\r |
827 | Status = EFI_INVALID_PARAMETER;\r | |
828 | } else {\r | |
829 | StdErrVarName = CommandLineWalker += 5;\r | |
830 | ErrAppend = FALSE;\r | |
831 | }\r | |
733f138d | 832 | if (StrStr(CommandLineWalker, L" 2>v ") != NULL) {\r |
833 | Status = EFI_NOT_FOUND;\r | |
834 | }\r | |
a405b86d | 835 | }\r |
836 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>v ")) != NULL) {\r | |
fb84495a | 837 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 838 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 839 | if (StdOutVarName != NULL) {\r |
840 | Status = EFI_INVALID_PARAMETER;\r | |
841 | } else {\r | |
842 | StdOutVarName = CommandLineWalker += 5;\r | |
843 | OutAppend = FALSE;\r | |
844 | }\r | |
733f138d | 845 | if (StrStr(CommandLineWalker, L" 1>v ") != NULL) {\r |
846 | Status = EFI_NOT_FOUND;\r | |
847 | }\r | |
a405b86d | 848 | }\r |
849 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2>a ")) != NULL) {\r | |
fb84495a | 850 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 851 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 852 | if (StdErrFileName != NULL) {\r |
853 | Status = EFI_INVALID_PARAMETER;\r | |
854 | } else {\r | |
855 | StdErrFileName = CommandLineWalker += 5;\r | |
856 | ErrAppend = FALSE;\r | |
857 | ErrUnicode = FALSE;\r | |
858 | }\r | |
733f138d | 859 | if (StrStr(CommandLineWalker, L" 2>a ") != NULL) {\r |
860 | Status = EFI_NOT_FOUND;\r | |
861 | }\r | |
a405b86d | 862 | }\r |
863 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2> ")) != NULL) {\r | |
fb84495a | 864 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 865 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 866 | if (StdErrFileName != NULL) {\r |
867 | Status = EFI_INVALID_PARAMETER;\r | |
868 | } else {\r | |
869 | StdErrFileName = CommandLineWalker += 4;\r | |
870 | ErrAppend = FALSE;\r | |
871 | }\r | |
733f138d | 872 | if (StrStr(CommandLineWalker, L" 2> ") != NULL) {\r |
873 | Status = EFI_NOT_FOUND;\r | |
874 | }\r | |
a405b86d | 875 | }\r |
876 | \r | |
877 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1> ")) != NULL) {\r | |
fb84495a | 878 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 879 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 880 | if (StdOutFileName != NULL) {\r |
881 | Status = EFI_INVALID_PARAMETER;\r | |
882 | } else {\r | |
883 | StdOutFileName = CommandLineWalker += 4;\r | |
884 | OutAppend = FALSE;\r | |
885 | }\r | |
733f138d | 886 | if (StrStr(CommandLineWalker, L" 1> ") != NULL) {\r |
887 | Status = EFI_NOT_FOUND;\r | |
888 | }\r | |
a405b86d | 889 | }\r |
890 | \r | |
891 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" > ")) != NULL) {\r | |
fb84495a | 892 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 893 | SetMem16(CommandLineWalker, 6, L' ');\r |
a405b86d | 894 | if (StdOutFileName != NULL) {\r |
895 | Status = EFI_INVALID_PARAMETER;\r | |
896 | } else {\r | |
897 | StdOutFileName = CommandLineWalker += 3;\r | |
898 | OutAppend = FALSE;\r | |
899 | }\r | |
733f138d | 900 | if (StrStr(CommandLineWalker, L" > ") != NULL) {\r |
901 | Status = EFI_NOT_FOUND;\r | |
902 | }\r | |
a405b86d | 903 | }\r |
904 | \r | |
905 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" < ")) != NULL) {\r | |
fb84495a | 906 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 907 | SetMem16(CommandLineWalker, 6, L' ');\r |
a405b86d | 908 | if (StdInFileName != NULL) {\r |
909 | Status = EFI_INVALID_PARAMETER;\r | |
910 | } else {\r | |
911 | StdInFileName = CommandLineWalker += 3;\r | |
733f138d | 912 | }\r |
913 | if (StrStr(CommandLineWalker, L" < ") != NULL) {\r | |
914 | Status = EFI_NOT_FOUND;\r | |
a405b86d | 915 | }\r |
916 | }\r | |
917 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" <a ")) != NULL) {\r | |
fb84495a | 918 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 919 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 920 | if (StdInFileName != NULL) {\r |
921 | Status = EFI_INVALID_PARAMETER;\r | |
922 | } else {\r | |
733f138d | 923 | StdInFileName = CommandLineWalker += 4;\r |
924 | InUnicode = FALSE;\r | |
925 | }\r | |
926 | if (StrStr(CommandLineWalker, L" <a ") != NULL) {\r | |
927 | Status = EFI_NOT_FOUND;\r | |
a405b86d | 928 | }\r |
929 | }\r | |
930 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" <v ")) != NULL) {\r | |
fb84495a | 931 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 932 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 933 | if (StdInVarName != NULL) {\r |
934 | Status = EFI_INVALID_PARAMETER;\r | |
935 | } else {\r | |
936 | StdInVarName = CommandLineWalker += 4;\r | |
733f138d | 937 | }\r |
938 | if (StrStr(CommandLineWalker, L" <v ") != NULL) {\r | |
939 | Status = EFI_NOT_FOUND;\r | |
a405b86d | 940 | }\r |
941 | }\r | |
942 | \r | |
031acf63 | 943 | //\r |
944 | // re-populate the string to support any filenames that were in quotes.\r | |
945 | //\r | |
946 | StrCpy(CommandLineCopy, NewCommandLine);\r | |
947 | \r | |
5f2915f5 | 948 | if (FirstLocation != CommandLineCopy + StrLen(CommandLineCopy)\r |
fb84495a | 949 | && ((UINTN)(FirstLocation - CommandLineCopy) < StrLen(NewCommandLine))\r |
950 | ){\r | |
951 | *(NewCommandLine + (UINTN)(FirstLocation - CommandLineCopy)) = CHAR_NULL;\r | |
952 | }\r | |
953 | \r | |
a405b86d | 954 | if (!EFI_ERROR(Status)) {\r |
031acf63 | 955 | \r |
956 | if (StdErrFileName != NULL) {\r | |
957 | if ((StdErrFileName = FixFileName(StdErrFileName)) == NULL) {\r | |
958 | Status = EFI_INVALID_PARAMETER;\r | |
959 | }\r | |
a405b86d | 960 | }\r |
031acf63 | 961 | if (StdOutFileName != NULL) {\r |
962 | if ((StdOutFileName = FixFileName(StdOutFileName)) == NULL) {\r | |
963 | Status = EFI_INVALID_PARAMETER;\r | |
964 | }\r | |
a405b86d | 965 | }\r |
031acf63 | 966 | if (StdInFileName != NULL) {\r |
967 | if ((StdInFileName = FixFileName(StdInFileName)) == NULL) {\r | |
968 | Status = EFI_INVALID_PARAMETER;\r | |
969 | }\r | |
a405b86d | 970 | }\r |
031acf63 | 971 | if (StdErrVarName != NULL) {\r |
6813ba40 | 972 | if ((StdErrVarName = FixVarName(StdErrVarName)) == NULL) {\r |
031acf63 | 973 | Status = EFI_INVALID_PARAMETER;\r |
974 | }\r | |
a405b86d | 975 | }\r |
031acf63 | 976 | if (StdOutVarName != NULL) {\r |
6813ba40 | 977 | if ((StdOutVarName = FixVarName(StdOutVarName)) == NULL) {\r |
031acf63 | 978 | Status = EFI_INVALID_PARAMETER;\r |
979 | }\r | |
a405b86d | 980 | }\r |
031acf63 | 981 | if (StdInVarName != NULL) {\r |
6813ba40 | 982 | if ((StdInVarName = FixVarName(StdInVarName)) == NULL) {\r |
031acf63 | 983 | Status = EFI_INVALID_PARAMETER;\r |
984 | }\r | |
a405b86d | 985 | }\r |
986 | \r | |
0c956e0d | 987 | //\r |
988 | // Verify not the same and not duplicating something from a split\r | |
989 | //\r | |
733f138d | 990 | if (\r |
991 | //\r | |
992 | // Check that no 2 filenames are the same\r | |
993 | //\r | |
fb84495a | 994 | (StdErrFileName != NULL && StdOutFileName!= NULL && StringNoCaseCompare(&StdErrFileName, &StdOutFileName) == 0)\r |
a405b86d | 995 | ||(StdErrFileName != NULL && StdInFileName != NULL && StringNoCaseCompare(&StdErrFileName, &StdInFileName ) == 0)\r |
996 | ||(StdOutFileName != NULL && StdInFileName != NULL && StringNoCaseCompare(&StdOutFileName, &StdInFileName ) == 0)\r | |
733f138d | 997 | //\r |
998 | // Check that no 2 variable names are the same\r | |
999 | //\r | |
a405b86d | 1000 | ||(StdErrVarName != NULL && StdInVarName != NULL && StringNoCaseCompare(&StdErrVarName , &StdInVarName ) == 0)\r |
1001 | ||(StdOutVarName != NULL && StdInVarName != NULL && StringNoCaseCompare(&StdOutVarName , &StdInVarName ) == 0)\r | |
1002 | ||(StdErrVarName != NULL && StdOutVarName != NULL && StringNoCaseCompare(&StdErrVarName , &StdOutVarName ) == 0)\r | |
733f138d | 1003 | //\r |
1004 | // When a split (using | operator) is in place some are not allowed\r | |
1005 | //\r | |
a405b86d | 1006 | ||(Split != NULL && Split->SplitStdIn != NULL && (StdInVarName != NULL || StdInFileName != NULL))\r |
1007 | ||(Split != NULL && Split->SplitStdOut != NULL && (StdOutVarName != NULL || StdOutFileName != NULL))\r | |
733f138d | 1008 | //\r |
1009 | // Check that nothing is trying to be output to 2 locations.\r | |
1010 | //\r | |
a405b86d | 1011 | ||(StdErrFileName != NULL && StdErrVarName != NULL)\r |
1012 | ||(StdOutFileName != NULL && StdOutVarName != NULL)\r | |
1013 | ||(StdInFileName != NULL && StdInVarName != NULL)\r | |
733f138d | 1014 | //\r |
733f138d | 1015 | // Check for no volatile environment variables\r |
1016 | //\r | |
a405b86d | 1017 | ||(StdErrVarName != NULL && !IsVolatileEnv(StdErrVarName))\r |
1018 | ||(StdOutVarName != NULL && !IsVolatileEnv(StdOutVarName))\r | |
733f138d | 1019 | //\r |
1020 | // Cant redirect during a reconnect operation.\r | |
1021 | //\r | |
3c865f20 | 1022 | ||(StrStr(NewCommandLine, L"connect -r") != NULL \r |
1023 | && (StdOutVarName != NULL || StdOutFileName != NULL || StdErrFileName != NULL || StdErrVarName != NULL))\r | |
733f138d | 1024 | //\r |
1025 | // Check that filetypes (Unicode/Ascii) do not change during an append\r | |
1026 | //\r | |
1027 | ||(StdOutFileName != NULL && OutUnicode && OutAppend && (!EFI_ERROR(ShellFileExists(StdOutFileName)) && EFI_ERROR(IsUnicodeFile(StdOutFileName))))\r | |
1028 | ||(StdErrFileName != NULL && ErrUnicode && ErrAppend && (!EFI_ERROR(ShellFileExists(StdErrFileName)) && EFI_ERROR(IsUnicodeFile(StdErrFileName))))\r | |
1029 | ||(StdOutFileName != NULL && !OutUnicode && OutAppend && (!EFI_ERROR(ShellFileExists(StdOutFileName)) && !EFI_ERROR(IsUnicodeFile(StdOutFileName))))\r | |
1030 | ||(StdErrFileName != NULL && !ErrUnicode && ErrAppend && (!EFI_ERROR(ShellFileExists(StdErrFileName)) && !EFI_ERROR(IsUnicodeFile(StdErrFileName))))\r | |
a405b86d | 1031 | ){\r |
1032 | Status = EFI_INVALID_PARAMETER;\r | |
a9ca0684 | 1033 | ShellParameters->StdIn = *OldStdIn;\r |
1034 | ShellParameters->StdOut = *OldStdOut;\r | |
1035 | ShellParameters->StdErr = *OldStdErr;\r | |
fb84495a | 1036 | } else if (!EFI_ERROR(Status)){\r |
a405b86d | 1037 | //\r |
1038 | // Open the Std<Whatever> and we should not have conflicts here...\r | |
1039 | //\r | |
1040 | \r | |
1041 | //\r | |
1042 | // StdErr to a file\r | |
1043 | //\r | |
1044 | if (StdErrFileName != NULL) {\r | |
1045 | if (!ErrAppend) {\r | |
1046 | //\r | |
1047 | // delete existing file.\r | |
1048 | //\r | |
1049 | ShellInfoObject.NewEfiShellProtocol->DeleteFileByName(StdErrFileName);\r | |
1050 | }\r | |
1051 | Status = ShellOpenFileByName(StdErrFileName, &TempHandle, EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ|EFI_FILE_MODE_CREATE,0);\r | |
a405b86d | 1052 | if (!ErrAppend && ErrUnicode && !EFI_ERROR(Status)) {\r |
1053 | //\r | |
733f138d | 1054 | // Write out the gUnicodeFileTag\r |
a405b86d | 1055 | //\r |
1056 | Size = sizeof(CHAR16);\r | |
733f138d | 1057 | TagBuffer[0] = gUnicodeFileTag;\r |
a405b86d | 1058 | TagBuffer[1] = CHAR_NULL;\r |
1059 | ShellInfoObject.NewEfiShellProtocol->WriteFile(TempHandle, &Size, TagBuffer);\r | |
1060 | }\r | |
1061 | if (!ErrUnicode && !EFI_ERROR(Status)) {\r | |
1062 | TempHandle = CreateFileInterfaceFile(TempHandle, FALSE);\r | |
1063 | ASSERT(TempHandle != NULL);\r | |
1064 | }\r | |
1065 | if (!EFI_ERROR(Status)) {\r | |
1066 | ShellParameters->StdErr = TempHandle;\r | |
dcf9b428 | 1067 | gST->StdErr = CreateSimpleTextOutOnFile(TempHandle, &gST->StandardErrorHandle, gST->StdErr);\r |
a405b86d | 1068 | }\r |
1069 | }\r | |
1070 | \r | |
1071 | //\r | |
1072 | // StdOut to a file\r | |
1073 | //\r | |
1074 | if (!EFI_ERROR(Status) && StdOutFileName != NULL) {\r | |
1075 | if (!OutAppend) {\r | |
1076 | //\r | |
1077 | // delete existing file.\r | |
1078 | //\r | |
1079 | ShellInfoObject.NewEfiShellProtocol->DeleteFileByName(StdOutFileName);\r | |
1080 | }\r | |
1081 | Status = ShellOpenFileByName(StdOutFileName, &TempHandle, EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ|EFI_FILE_MODE_CREATE,0);\r | |
3c865f20 | 1082 | if (TempHandle == NULL) {\r |
1083 | Status = EFI_INVALID_PARAMETER;\r | |
1084 | } else {\r | |
733f138d | 1085 | if (StrStr(StdOutFileName, L"NUL")==StdOutFileName) {\r |
1086 | //no-op\r | |
1087 | } else if (!OutAppend && OutUnicode && !EFI_ERROR(Status)) {\r | |
3c865f20 | 1088 | //\r |
733f138d | 1089 | // Write out the gUnicodeFileTag\r |
3c865f20 | 1090 | //\r |
1091 | Size = sizeof(CHAR16);\r | |
733f138d | 1092 | TagBuffer[0] = gUnicodeFileTag;\r |
3c865f20 | 1093 | TagBuffer[1] = CHAR_NULL;\r |
1094 | ShellInfoObject.NewEfiShellProtocol->WriteFile(TempHandle, &Size, TagBuffer);\r | |
1095 | } else if (OutAppend) {\r | |
1096 | //\r | |
1097 | // Move to end of file\r | |
1098 | //\r | |
1099 | Status = ShellInfoObject.NewEfiShellProtocol->GetFileSize(TempHandle, &FileSize);\r | |
1100 | if (!EFI_ERROR(Status)) {\r | |
1101 | Status = ShellInfoObject.NewEfiShellProtocol->SetFilePosition(TempHandle, FileSize);\r | |
1102 | }\r | |
1103 | }\r | |
1104 | if (!OutUnicode && !EFI_ERROR(Status)) {\r | |
1105 | TempHandle = CreateFileInterfaceFile(TempHandle, FALSE);\r | |
1106 | ASSERT(TempHandle != NULL);\r | |
1107 | }\r | |
a405b86d | 1108 | if (!EFI_ERROR(Status)) {\r |
3c865f20 | 1109 | ShellParameters->StdOut = TempHandle;\r |
dcf9b428 | 1110 | gST->ConOut = CreateSimpleTextOutOnFile(TempHandle, &gST->ConsoleOutHandle, gST->ConOut);\r |
a405b86d | 1111 | }\r |
1112 | }\r | |
a405b86d | 1113 | }\r |
1114 | \r | |
1115 | //\r | |
1116 | // StdOut to a var\r | |
1117 | //\r | |
1118 | if (!EFI_ERROR(Status) && StdOutVarName != NULL) {\r | |
1119 | if (!OutAppend) {\r | |
1120 | //\r | |
1121 | // delete existing variable.\r | |
1122 | //\r | |
1123 | SHELL_SET_ENVIRONMENT_VARIABLE_V(StdOutVarName, 0, L"");\r | |
1124 | }\r | |
1125 | TempHandle = CreateFileInterfaceEnv(StdOutVarName);\r | |
1126 | ASSERT(TempHandle != NULL);\r | |
a405b86d | 1127 | ShellParameters->StdOut = TempHandle;\r |
dcf9b428 | 1128 | gST->ConOut = CreateSimpleTextOutOnFile(TempHandle, &gST->ConsoleOutHandle, gST->ConOut);\r |
a405b86d | 1129 | }\r |
1130 | \r | |
1131 | //\r | |
1132 | // StdErr to a var\r | |
1133 | //\r | |
1134 | if (!EFI_ERROR(Status) && StdErrVarName != NULL) {\r | |
1135 | if (!ErrAppend) {\r | |
1136 | //\r | |
1137 | // delete existing variable.\r | |
1138 | //\r | |
1139 | SHELL_SET_ENVIRONMENT_VARIABLE_V(StdErrVarName, 0, L"");\r | |
1140 | }\r | |
1141 | TempHandle = CreateFileInterfaceEnv(StdErrVarName);\r | |
1142 | ASSERT(TempHandle != NULL);\r | |
a405b86d | 1143 | ShellParameters->StdErr = TempHandle;\r |
dcf9b428 | 1144 | gST->StdErr = CreateSimpleTextOutOnFile(TempHandle, &gST->StandardErrorHandle, gST->StdErr);\r |
a405b86d | 1145 | }\r |
1146 | \r | |
1147 | //\r | |
1148 | // StdIn from a var\r | |
1149 | //\r | |
1150 | if (!EFI_ERROR(Status) && StdInVarName != NULL) {\r | |
1151 | TempHandle = CreateFileInterfaceEnv(StdInVarName);\r | |
532691c8 | 1152 | if (TempHandle == NULL) {\r |
1153 | Status = EFI_OUT_OF_RESOURCES;\r | |
a405b86d | 1154 | } else {\r |
532691c8 | 1155 | if (!InUnicode) {\r |
1156 | TempHandle = CreateFileInterfaceFile(TempHandle, FALSE);\r | |
1157 | }\r | |
1158 | Size = 0;\r | |
96962f0a | 1159 | if (TempHandle == NULL || ((EFI_FILE_PROTOCOL*)TempHandle)->Read(TempHandle, &Size, NULL) != EFI_BUFFER_TOO_SMALL) {\r |
532691c8 | 1160 | Status = EFI_INVALID_PARAMETER;\r |
1161 | } else {\r | |
1162 | ShellParameters->StdIn = TempHandle;\r | |
1163 | gST->ConIn = CreateSimpleTextInOnFile(TempHandle, &gST->ConsoleInHandle);\r | |
1164 | }\r | |
a405b86d | 1165 | }\r |
1166 | }\r | |
1167 | \r | |
1168 | //\r | |
1169 | // StdIn from a file\r | |
1170 | //\r | |
1171 | if (!EFI_ERROR(Status) && StdInFileName != NULL) {\r | |
1172 | Status = ShellOpenFileByName(\r | |
1173 | StdInFileName,\r | |
1174 | &TempHandle,\r | |
1175 | EFI_FILE_MODE_READ,\r | |
1176 | 0);\r | |
49bb76ff JC |
1177 | if (InUnicode) {\r |
1178 | //\r | |
1179 | // Chop off the 0xFEFF if it's there...\r | |
1180 | //\r | |
1181 | RemoveFileTag(&TempHandle);\r | |
1182 | } else if (!EFI_ERROR(Status)) {\r | |
1183 | //\r | |
1184 | // Create the ASCII->Unicode conversion layer\r | |
1185 | //\r | |
a405b86d | 1186 | TempHandle = CreateFileInterfaceFile(TempHandle, FALSE);\r |
1187 | }\r | |
1188 | if (!EFI_ERROR(Status)) {\r | |
1189 | ShellParameters->StdIn = TempHandle;\r | |
8be0ba36 | 1190 | gST->ConIn = CreateSimpleTextInOnFile(TempHandle, &gST->ConsoleInHandle);\r |
a405b86d | 1191 | }\r |
1192 | }\r | |
1193 | }\r | |
1194 | }\r | |
1195 | FreePool(CommandLineCopy);\r | |
8be0ba36 | 1196 | \r |
cf6a8f14 | 1197 | CalculateEfiHdrCrc(&gST->Hdr);\r |
1198 | \r | |
8be0ba36 | 1199 | if (gST->ConIn == NULL ||gST->ConOut == NULL) {\r |
cc31ac1e | 1200 | Status = EFI_OUT_OF_RESOURCES;\r |
8be0ba36 | 1201 | }\r |
cc31ac1e JC |
1202 | \r |
1203 | if (Status == EFI_NOT_FOUND) {\r | |
1204 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_REDUNDA_REDIR), ShellInfoObject.HiiHandle);\r | |
1205 | } else if (EFI_ERROR(Status)) {\r | |
1206 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_INVALID_REDIR), ShellInfoObject.HiiHandle);\r | |
1207 | }\r | |
1208 | \r | |
a405b86d | 1209 | return (Status);\r |
1210 | }\r | |
1211 | \r | |
1212 | /**\r | |
1213 | Funcion will replace the current StdIn and StdOut in the ShellParameters protocol\r | |
1214 | structure with StdIn and StdOut. The current values are de-allocated.\r | |
1215 | \r | |
4ff7e37b ED |
1216 | @param[in, out] ShellParameters Pointer to parameter structure to modify.\r |
1217 | @param[in] OldStdIn Pointer to old StdIn.\r | |
1218 | @param[in] OldStdOut Pointer to old StdOut.\r | |
1219 | @param[in] OldStdErr Pointer to old StdErr.\r | |
1220 | @param[in] SystemTableInfo Pointer to old system table information.\r | |
a405b86d | 1221 | **/\r |
1222 | EFI_STATUS\r | |
1223 | EFIAPI\r | |
1224 | RestoreStdInStdOutStdErr (\r | |
1225 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *ShellParameters,\r | |
8be0ba36 | 1226 | IN SHELL_FILE_HANDLE *OldStdIn,\r |
1227 | IN SHELL_FILE_HANDLE *OldStdOut,\r | |
1228 | IN SHELL_FILE_HANDLE *OldStdErr,\r | |
1229 | IN SYSTEM_TABLE_INFO *SystemTableInfo\r | |
a405b86d | 1230 | )\r |
1231 | {\r | |
1232 | SPLIT_LIST *Split;\r | |
8be0ba36 | 1233 | \r |
1234 | if (ShellParameters == NULL \r | |
1235 | ||OldStdIn == NULL\r | |
1236 | ||OldStdOut == NULL\r | |
1237 | ||OldStdErr == NULL\r | |
1238 | ||SystemTableInfo == NULL) {\r | |
1239 | return (EFI_INVALID_PARAMETER);\r | |
1240 | }\r | |
a405b86d | 1241 | if (!IsListEmpty(&ShellInfoObject.SplitList.Link)) {\r |
1242 | Split = (SPLIT_LIST*)GetFirstNode(&ShellInfoObject.SplitList.Link);\r | |
1243 | } else {\r | |
1244 | Split = NULL;\r | |
1245 | }\r | |
8be0ba36 | 1246 | if (ShellParameters->StdIn != *OldStdIn) {\r |
a405b86d | 1247 | if ((Split != NULL && Split->SplitStdIn != ShellParameters->StdIn) || Split == NULL) {\r |
1248 | gEfiShellProtocol->CloseFile(ShellParameters->StdIn);\r | |
1249 | }\r | |
8be0ba36 | 1250 | ShellParameters->StdIn = *OldStdIn;\r |
a405b86d | 1251 | }\r |
8be0ba36 | 1252 | if (ShellParameters->StdOut != *OldStdOut) {\r |
a405b86d | 1253 | if ((Split != NULL && Split->SplitStdOut != ShellParameters->StdOut) || Split == NULL) {\r |
1254 | gEfiShellProtocol->CloseFile(ShellParameters->StdOut);\r | |
1255 | }\r | |
8be0ba36 | 1256 | ShellParameters->StdOut = *OldStdOut;\r |
1257 | }\r | |
1258 | if (ShellParameters->StdErr != *OldStdErr) {\r | |
1259 | gEfiShellProtocol->CloseFile(ShellParameters->StdErr);\r | |
1260 | ShellParameters->StdErr = *OldStdErr;\r | |
1261 | }\r | |
1262 | \r | |
1263 | if (gST->ConIn != SystemTableInfo->ConIn) {\r | |
1264 | CloseSimpleTextInOnFile(gST->ConIn);\r | |
1265 | gST->ConIn = SystemTableInfo->ConIn;\r | |
1266 | gST->ConsoleInHandle = SystemTableInfo->ConInHandle;\r | |
a405b86d | 1267 | }\r |
8be0ba36 | 1268 | if (gST->ConOut != SystemTableInfo->ConOut) {\r |
1269 | CloseSimpleTextOutOnFile(gST->ConOut);\r | |
1270 | gST->ConOut = SystemTableInfo->ConOut;\r | |
1271 | gST->ConsoleOutHandle = SystemTableInfo->ConOutHandle;\r | |
1272 | }\r | |
4ccd9214 | 1273 | if (gST->StdErr != SystemTableInfo->ErrOut) {\r |
8be0ba36 | 1274 | CloseSimpleTextOutOnFile(gST->StdErr);\r |
4ccd9214 ED |
1275 | gST->StdErr = SystemTableInfo->ErrOut;\r |
1276 | gST->StandardErrorHandle = SystemTableInfo->ErrOutHandle;\r | |
8be0ba36 | 1277 | }\r |
1278 | \r | |
cf6a8f14 | 1279 | CalculateEfiHdrCrc(&gST->Hdr);\r |
1280 | \r | |
a405b86d | 1281 | return (EFI_SUCCESS);\r |
1282 | }\r | |
1283 | /**\r | |
1284 | Funcion will replace the current Argc and Argv in the ShellParameters protocol\r | |
1285 | structure by parsing NewCommandLine. The current values are returned to the\r | |
1286 | user.\r | |
1287 | \r | |
1288 | If OldArgv or OldArgc is NULL then that value is not returned.\r | |
1289 | \r | |
4ff7e37b ED |
1290 | @param[in, out] ShellParameters Pointer to parameter structure to modify.\r |
1291 | @param[in] NewCommandLine The new command line to parse and use.\r | |
1292 | @param[out] OldArgv Pointer to old list of parameters.\r | |
1293 | @param[out] OldArgc Pointer to old number of items in Argv list.\r | |
a405b86d | 1294 | \r |
1295 | @retval EFI_SUCCESS Operation was sucessful, Argv and Argc are valid.\r | |
1296 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
1297 | **/\r | |
1298 | EFI_STATUS\r | |
1299 | EFIAPI\r | |
1300 | UpdateArgcArgv(\r | |
1301 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *ShellParameters,\r | |
1302 | IN CONST CHAR16 *NewCommandLine,\r | |
1303 | OUT CHAR16 ***OldArgv OPTIONAL,\r | |
1304 | OUT UINTN *OldArgc OPTIONAL\r | |
1305 | )\r | |
1306 | {\r | |
1307 | ASSERT(ShellParameters != NULL);\r | |
1308 | \r | |
1309 | if (OldArgc != NULL) {\r | |
1310 | *OldArgc = ShellParameters->Argc;\r | |
1311 | }\r | |
1312 | if (OldArgc != NULL) {\r | |
1313 | *OldArgv = ShellParameters->Argv;\r | |
1314 | }\r | |
1315 | \r | |
1316 | return (ParseCommandLineToArgs(NewCommandLine, &(ShellParameters->Argv), &(ShellParameters->Argc)));\r | |
1317 | }\r | |
1318 | \r | |
1319 | /**\r | |
1320 | Funcion will replace the current Argc and Argv in the ShellParameters protocol\r | |
1321 | structure with Argv and Argc. The current values are de-allocated and the\r | |
1322 | OldArgv must not be deallocated by the caller.\r | |
1323 | \r | |
4ff7e37b ED |
1324 | @param[in, out] ShellParameters pointer to parameter structure to modify\r |
1325 | @param[in] OldArgv pointer to old list of parameters\r | |
1326 | @param[in] OldArgc pointer to old number of items in Argv list\r | |
a405b86d | 1327 | **/\r |
1328 | VOID\r | |
1329 | EFIAPI\r | |
1330 | RestoreArgcArgv(\r | |
1331 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *ShellParameters,\r | |
1332 | IN CHAR16 ***OldArgv,\r | |
1333 | IN UINTN *OldArgc\r | |
1334 | )\r | |
1335 | {\r | |
1336 | UINTN LoopCounter;\r | |
1337 | ASSERT(ShellParameters != NULL);\r | |
1338 | ASSERT(OldArgv != NULL);\r | |
1339 | ASSERT(OldArgc != NULL);\r | |
1340 | \r | |
1341 | if (ShellParameters->Argv != NULL) {\r | |
1342 | for ( LoopCounter = 0\r | |
1343 | ; LoopCounter < ShellParameters->Argc\r | |
1344 | ; LoopCounter++\r | |
1345 | ){\r | |
1346 | FreePool(ShellParameters->Argv[LoopCounter]);\r | |
1347 | }\r | |
1348 | FreePool(ShellParameters->Argv);\r | |
1349 | }\r | |
1350 | ShellParameters->Argv = *OldArgv;\r | |
1351 | *OldArgv = NULL;\r | |
1352 | ShellParameters->Argc = *OldArgc;\r | |
1353 | *OldArgc = 0;\r | |
1354 | }\r |