]>
Commit | Line | Data |
---|---|---|
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 | |
5 | Copyright (C) 2014, Red Hat, Inc.\r | |
6 | (C) Copyright 2013 Hewlett-Packard Development Company, L.P.<BR>\r | |
7 | Copyright (c) 2009 - 2015, Intel Corporation. All rights reserved.<BR>\r | |
8 | This program and the accompanying materials\r | |
9 | are licensed and made available under the terms and conditions of the BSD License\r | |
10 | which accompanies this distribution. The full text of the license may be found at\r | |
11 | http://opensource.org/licenses/bsd-license.php\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 | \r | |
18 | #include "Shell.h"\r | |
19 | \r | |
20 | BOOLEAN AsciiRedirection = FALSE;\r | |
21 | \r | |
22 | /**\r | |
23 | Return the next parameter's end from a command line string.\r | |
24 | \r | |
25 | @param[in] String the string to parse\r | |
26 | **/\r | |
27 | CONST CHAR16*\r | |
28 | EFIAPI\r | |
29 | FindEndOfParameter(\r | |
30 | IN CONST CHAR16 *String\r | |
31 | )\r | |
32 | {\r | |
33 | CONST CHAR16 *First;\r | |
34 | CONST CHAR16 *CloseQuote;\r | |
35 | \r | |
36 | First = FindFirstCharacter(String, L" \"", L'^');\r | |
37 | \r | |
38 | //\r | |
39 | // nothing, all one parameter remaining\r | |
40 | //\r | |
41 | if (*First == CHAR_NULL) {\r | |
42 | return (First);\r | |
43 | }\r | |
44 | \r | |
45 | //\r | |
46 | // If space before a quote (or neither found, i.e. both CHAR_NULL),\r | |
47 | // then that's the end.\r | |
48 | //\r | |
49 | if (*First == L' ') {\r | |
50 | return (First);\r | |
51 | }\r | |
52 | \r | |
53 | CloseQuote = FindFirstCharacter (First+1, L"\"", L'^');\r | |
54 | \r | |
55 | //\r | |
56 | // We did not find a terminator...\r | |
57 | //\r | |
58 | if (*CloseQuote == CHAR_NULL) {\r | |
59 | return (NULL);\r | |
60 | }\r | |
61 | \r | |
62 | return (FindEndOfParameter (CloseQuote+1));\r | |
63 | }\r | |
64 | \r | |
65 | /**\r | |
66 | Return the next parameter from a command line string.\r | |
67 | \r | |
68 | This function moves the next parameter from Walker into TempParameter and moves\r | |
69 | Walker up past that parameter for recursive calling. When the final parameter\r | |
70 | is moved *Walker will be set to NULL;\r | |
71 | \r | |
72 | Temp Parameter must be large enough to hold the parameter before calling this\r | |
73 | function.\r | |
74 | \r | |
75 | This will also remove all remaining ^ characters after processing.\r | |
76 | \r | |
77 | @param[in, out] Walker pointer to string of command line. Adjusted to\r | |
78 | reminaing command line on return\r | |
79 | @param[in, out] TempParameter pointer to string of command line item extracted.\r | |
80 | @param[in] Length buffer size of TempParameter.\r | |
81 | @param[in] StripQuotation if TRUE then strip the quotation marks surrounding\r | |
82 | the parameters.\r | |
83 | \r | |
84 | @return EFI_INALID_PARAMETER A required parameter was NULL or pointed to a NULL or empty string.\r | |
85 | @return EFI_NOT_FOUND A closing " could not be found on the specified string\r | |
86 | **/\r | |
87 | EFI_STATUS\r | |
88 | EFIAPI\r | |
89 | GetNextParameter(\r | |
90 | IN OUT CHAR16 **Walker,\r | |
91 | IN OUT CHAR16 **TempParameter,\r | |
92 | IN CONST UINTN Length,\r | |
93 | IN BOOLEAN StripQuotation\r | |
94 | )\r | |
95 | {\r | |
96 | CONST CHAR16 *NextDelim;\r | |
97 | \r | |
98 | if (Walker == NULL\r | |
99 | ||*Walker == NULL\r | |
100 | ||TempParameter == NULL\r | |
101 | ||*TempParameter == NULL\r | |
102 | ){\r | |
103 | return (EFI_INVALID_PARAMETER);\r | |
104 | }\r | |
105 | \r | |
106 | \r | |
107 | //\r | |
108 | // make sure we dont have any leading spaces\r | |
109 | //\r | |
110 | while ((*Walker)[0] == L' ') {\r | |
111 | (*Walker)++;\r | |
112 | }\r | |
113 | \r | |
114 | //\r | |
115 | // make sure we still have some params now...\r | |
116 | //\r | |
117 | if (StrLen(*Walker) == 0) {\r | |
118 | DEBUG_CODE_BEGIN();\r | |
119 | *Walker = NULL;\r | |
120 | DEBUG_CODE_END();\r | |
121 | return (EFI_INVALID_PARAMETER);\r | |
122 | }\r | |
123 | \r | |
124 | NextDelim = FindEndOfParameter(*Walker);\r | |
125 | \r | |
126 | if (NextDelim == NULL){\r | |
127 | DEBUG_CODE_BEGIN();\r | |
128 | *Walker = NULL;\r | |
129 | DEBUG_CODE_END();\r | |
130 | return (EFI_NOT_FOUND);\r | |
131 | }\r | |
132 | \r | |
133 | StrnCpyS(*TempParameter, Length / sizeof(CHAR16), (*Walker), NextDelim - *Walker);\r | |
134 | \r | |
135 | //\r | |
136 | // Add a CHAR_NULL if we didnt get one via the copy\r | |
137 | //\r | |
138 | if (*NextDelim != CHAR_NULL) {\r | |
139 | (*TempParameter)[NextDelim - *Walker] = CHAR_NULL;\r | |
140 | }\r | |
141 | \r | |
142 | //\r | |
143 | // Update Walker for the next iteration through the function\r | |
144 | //\r | |
145 | *Walker = (CHAR16*)NextDelim;\r | |
146 | \r | |
147 | //\r | |
148 | // Remove any non-escaped quotes in the string\r | |
149 | // Remove any remaining escape characters in the string\r | |
150 | //\r | |
151 | for (NextDelim = FindFirstCharacter(*TempParameter, L"\"^", CHAR_NULL) \r | |
152 | ; *NextDelim != CHAR_NULL \r | |
153 | ; NextDelim = FindFirstCharacter(NextDelim, L"\"^", CHAR_NULL)\r | |
154 | ) {\r | |
155 | if (*NextDelim == L'^') {\r | |
156 | \r | |
157 | //\r | |
158 | // eliminate the escape ^\r | |
159 | //\r | |
160 | CopyMem ((CHAR16*)NextDelim, NextDelim + 1, StrSize (NextDelim + 1));\r | |
161 | NextDelim++;\r | |
162 | } else if (*NextDelim == L'\"') {\r | |
163 | \r | |
164 | //\r | |
165 | // eliminate the unescaped quote\r | |
166 | //\r | |
167 | if (StripQuotation) {\r | |
168 | CopyMem ((CHAR16*)NextDelim, NextDelim + 1, StrSize (NextDelim + 1));\r | |
169 | } else{\r | |
170 | NextDelim++;\r | |
171 | }\r | |
172 | }\r | |
173 | }\r | |
174 | \r | |
175 | return EFI_SUCCESS;\r | |
176 | }\r | |
177 | \r | |
178 | /**\r | |
179 | Function to populate Argc and Argv.\r | |
180 | \r | |
181 | This function parses the CommandLine and divides it into standard C style Argc/Argv\r | |
182 | parameters for inclusion in EFI_SHELL_PARAMETERS_PROTOCOL. this supports space\r | |
183 | delimited and quote surrounded parameter definition.\r | |
184 | \r | |
185 | All special character processing (alias, environment variable, redirection, \r | |
186 | etc... must be complete before calling this API.\r | |
187 | \r | |
188 | @param[in] CommandLine String of command line to parse\r | |
189 | @param[in] StripQuotation if TRUE then strip the quotation marks surrounding\r | |
190 | the parameters.\r | |
191 | @param[in, out] Argv pointer to array of strings; one for each parameter\r | |
192 | @param[in, out] Argc pointer to number of strings in Argv array\r | |
193 | \r | |
194 | @return EFI_SUCCESS the operation was sucessful\r | |
195 | @return EFI_OUT_OF_RESOURCES a memory allocation failed.\r | |
196 | **/\r | |
197 | EFI_STATUS\r | |
198 | EFIAPI\r | |
199 | ParseCommandLineToArgs(\r | |
200 | IN CONST CHAR16 *CommandLine,\r | |
201 | IN BOOLEAN StripQuotation,\r | |
202 | IN OUT CHAR16 ***Argv,\r | |
203 | IN OUT UINTN *Argc\r | |
204 | )\r | |
205 | {\r | |
206 | UINTN Count;\r | |
207 | CHAR16 *TempParameter;\r | |
208 | CHAR16 *Walker;\r | |
209 | CHAR16 *NewParam;\r | |
210 | CHAR16 *NewCommandLine;\r | |
211 | UINTN Size;\r | |
212 | EFI_STATUS Status;\r | |
213 | \r | |
214 | ASSERT(Argc != NULL);\r | |
215 | ASSERT(Argv != NULL);\r | |
216 | \r | |
217 | if (CommandLine == NULL || StrLen(CommandLine)==0) {\r | |
218 | (*Argc) = 0;\r | |
219 | (*Argv) = NULL;\r | |
220 | return (EFI_SUCCESS);\r | |
221 | }\r | |
222 | \r | |
223 | NewCommandLine = AllocateCopyPool(StrSize(CommandLine), CommandLine);\r | |
224 | if (NewCommandLine == NULL){\r | |
225 | return (EFI_OUT_OF_RESOURCES);\r | |
226 | }\r | |
227 | \r | |
228 | TrimSpaces(&NewCommandLine);\r | |
229 | Size = StrSize(NewCommandLine);\r | |
230 | TempParameter = AllocateZeroPool(Size);\r | |
231 | if (TempParameter == NULL) {\r | |
232 | SHELL_FREE_NON_NULL(NewCommandLine);\r | |
233 | return (EFI_OUT_OF_RESOURCES);\r | |
234 | }\r | |
235 | \r | |
236 | for ( Count = 0\r | |
237 | , Walker = (CHAR16*)NewCommandLine\r | |
238 | ; Walker != NULL && *Walker != CHAR_NULL\r | |
239 | ; Count++\r | |
240 | ) {\r | |
241 | if (EFI_ERROR(GetNextParameter(&Walker, &TempParameter, Size, TRUE))) {\r | |
242 | break;\r | |
243 | }\r | |
244 | }\r | |
245 | \r | |
246 | //\r | |
247 | // lets allocate the pointer array\r | |
248 | //\r | |
249 | (*Argv) = AllocateZeroPool((Count)*sizeof(CHAR16*));\r | |
250 | if (*Argv == NULL) {\r | |
251 | Status = EFI_OUT_OF_RESOURCES;\r | |
252 | goto Done;\r | |
253 | }\r | |
254 | \r | |
255 | *Argc = 0;\r | |
256 | Walker = (CHAR16*)NewCommandLine;\r | |
257 | while(Walker != NULL && *Walker != CHAR_NULL) {\r | |
258 | SetMem16(TempParameter, Size, CHAR_NULL);\r | |
259 | if (EFI_ERROR(GetNextParameter(&Walker, &TempParameter, Size, StripQuotation))) {\r | |
260 | Status = EFI_INVALID_PARAMETER;\r | |
261 | goto Done;\r | |
262 | }\r | |
263 | \r | |
264 | NewParam = AllocateCopyPool(StrSize(TempParameter), TempParameter);\r | |
265 | if (NewParam == NULL){\r | |
266 | Status = EFI_OUT_OF_RESOURCES;\r | |
267 | goto Done;\r | |
268 | }\r | |
269 | ((CHAR16**)(*Argv))[(*Argc)] = NewParam;\r | |
270 | (*Argc)++;\r | |
271 | }\r | |
272 | ASSERT(Count >= (*Argc));\r | |
273 | Status = EFI_SUCCESS;\r | |
274 | \r | |
275 | Done:\r | |
276 | SHELL_FREE_NON_NULL(TempParameter);\r | |
277 | SHELL_FREE_NON_NULL(NewCommandLine);\r | |
278 | return (Status);\r | |
279 | }\r | |
280 | \r | |
281 | /**\r | |
282 | creates a new EFI_SHELL_PARAMETERS_PROTOCOL instance and populates it and then\r | |
283 | installs it on our handle and if there is an existing version of the protocol\r | |
284 | that one is cached for removal later.\r | |
285 | \r | |
286 | @param[in, out] NewShellParameters on a successful return, a pointer to pointer\r | |
287 | to the newly installed interface.\r | |
288 | @param[in, out] RootShellInstance on a successful return, pointer to boolean.\r | |
289 | TRUE if this is the root shell instance.\r | |
290 | \r | |
291 | @retval EFI_SUCCESS the operation completed successfully.\r | |
292 | @return other the operation failed.\r | |
293 | @sa ReinstallProtocolInterface\r | |
294 | @sa InstallProtocolInterface\r | |
295 | @sa ParseCommandLineToArgs\r | |
296 | **/\r | |
297 | EFI_STATUS\r | |
298 | EFIAPI\r | |
299 | CreatePopulateInstallShellParametersProtocol (\r | |
300 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL **NewShellParameters,\r | |
301 | IN OUT BOOLEAN *RootShellInstance\r | |
302 | )\r | |
303 | {\r | |
304 | EFI_STATUS Status;\r | |
305 | EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;\r | |
306 | CHAR16 *FullCommandLine;\r | |
307 | UINTN Size;\r | |
308 | \r | |
309 | Size = 0;\r | |
310 | FullCommandLine = NULL;\r | |
311 | LoadedImage = NULL;\r | |
312 | \r | |
313 | //\r | |
314 | // Assert for valid parameters\r | |
315 | //\r | |
316 | ASSERT(NewShellParameters != NULL);\r | |
317 | ASSERT(RootShellInstance != NULL);\r | |
318 | \r | |
319 | //\r | |
320 | // See if we have a shell parameters placed on us\r | |
321 | //\r | |
322 | Status = gBS->OpenProtocol (\r | |
323 | gImageHandle,\r | |
324 | &gEfiShellParametersProtocolGuid,\r | |
325 | (VOID **) &ShellInfoObject.OldShellParameters,\r | |
326 | gImageHandle,\r | |
327 | NULL,\r | |
328 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
329 | );\r | |
330 | //\r | |
331 | // if we don't then we must be the root shell (error is expected)\r | |
332 | //\r | |
333 | if (EFI_ERROR (Status)) {\r | |
334 | *RootShellInstance = TRUE;\r | |
335 | }\r | |
336 | \r | |
337 | //\r | |
338 | // Allocate the new structure\r | |
339 | //\r | |
340 | *NewShellParameters = AllocateZeroPool(sizeof(EFI_SHELL_PARAMETERS_PROTOCOL));\r | |
341 | if ((*NewShellParameters) == NULL) {\r | |
342 | return (EFI_OUT_OF_RESOURCES);\r | |
343 | }\r | |
344 | \r | |
345 | //\r | |
346 | // get loaded image protocol\r | |
347 | //\r | |
348 | Status = gBS->OpenProtocol (\r | |
349 | gImageHandle,\r | |
350 | &gEfiLoadedImageProtocolGuid,\r | |
351 | (VOID **) &LoadedImage,\r | |
352 | gImageHandle,\r | |
353 | NULL,\r | |
354 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
355 | );\r | |
356 | ASSERT_EFI_ERROR(Status);\r | |
357 | //\r | |
358 | // Build the full command line\r | |
359 | //\r | |
360 | Status = SHELL_GET_ENVIRONMENT_VARIABLE(L"ShellOpt", &Size, FullCommandLine);\r | |
361 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
362 | FullCommandLine = AllocateZeroPool(Size + LoadedImage->LoadOptionsSize);\r | |
363 | Status = SHELL_GET_ENVIRONMENT_VARIABLE(L"ShellOpt", &Size, FullCommandLine);\r | |
364 | }\r | |
365 | if (Status == EFI_NOT_FOUND) {\r | |
366 | //\r | |
367 | // no parameters via environment... ok\r | |
368 | //\r | |
369 | } else {\r | |
370 | if (EFI_ERROR(Status)) {\r | |
371 | return (Status);\r | |
372 | }\r | |
373 | }\r | |
374 | if (Size == 0 && LoadedImage->LoadOptionsSize != 0) {\r | |
375 | ASSERT(FullCommandLine == NULL);\r | |
376 | //\r | |
377 | // Now we need to include a NULL terminator in the size.\r | |
378 | //\r | |
379 | Size = LoadedImage->LoadOptionsSize + sizeof(FullCommandLine[0]);\r | |
380 | FullCommandLine = AllocateZeroPool(Size);\r | |
381 | }\r | |
382 | if (FullCommandLine != NULL) {\r | |
383 | CopyMem (FullCommandLine, LoadedImage->LoadOptions, LoadedImage->LoadOptionsSize);\r | |
384 | //\r | |
385 | // Populate Argc and Argv\r | |
386 | //\r | |
387 | Status = ParseCommandLineToArgs(FullCommandLine,\r | |
388 | TRUE,\r | |
389 | &(*NewShellParameters)->Argv,\r | |
390 | &(*NewShellParameters)->Argc);\r | |
391 | \r | |
392 | FreePool(FullCommandLine);\r | |
393 | \r | |
394 | ASSERT_EFI_ERROR(Status);\r | |
395 | } else {\r | |
396 | (*NewShellParameters)->Argv = NULL;\r | |
397 | (*NewShellParameters)->Argc = 0;\r | |
398 | }\r | |
399 | \r | |
400 | //\r | |
401 | // Populate the 3 faked file systems...\r | |
402 | //\r | |
403 | if (*RootShellInstance) {\r | |
404 | (*NewShellParameters)->StdIn = &FileInterfaceStdIn;\r | |
405 | (*NewShellParameters)->StdOut = &FileInterfaceStdOut;\r | |
406 | (*NewShellParameters)->StdErr = &FileInterfaceStdErr;\r | |
407 | Status = gBS->InstallProtocolInterface(&gImageHandle,\r | |
408 | &gEfiShellParametersProtocolGuid,\r | |
409 | EFI_NATIVE_INTERFACE,\r | |
410 | (VOID*)(*NewShellParameters));\r | |
411 | } else {\r | |
412 | //\r | |
413 | // copy from the existing ones\r | |
414 | //\r | |
415 | (*NewShellParameters)->StdIn = ShellInfoObject.OldShellParameters->StdIn;\r | |
416 | (*NewShellParameters)->StdOut = ShellInfoObject.OldShellParameters->StdOut;\r | |
417 | (*NewShellParameters)->StdErr = ShellInfoObject.OldShellParameters->StdErr;\r | |
418 | Status = gBS->ReinstallProtocolInterface(gImageHandle,\r | |
419 | &gEfiShellParametersProtocolGuid,\r | |
420 | (VOID*)ShellInfoObject.OldShellParameters,\r | |
421 | (VOID*)(*NewShellParameters));\r | |
422 | }\r | |
423 | \r | |
424 | return (Status);\r | |
425 | }\r | |
426 | \r | |
427 | /**\r | |
428 | frees all memory used by createion and installation of shell parameters protocol\r | |
429 | and if there was an old version installed it will restore that one.\r | |
430 | \r | |
431 | @param NewShellParameters the interface of EFI_SHELL_PARAMETERS_PROTOCOL that is\r | |
432 | being cleaned up.\r | |
433 | \r | |
434 | @retval EFI_SUCCESS the cleanup was successful\r | |
435 | @return other the cleanup failed\r | |
436 | @sa ReinstallProtocolInterface\r | |
437 | @sa UninstallProtocolInterface\r | |
438 | **/\r | |
439 | EFI_STATUS\r | |
440 | EFIAPI\r | |
441 | CleanUpShellParametersProtocol (\r | |
442 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *NewShellParameters\r | |
443 | )\r | |
444 | {\r | |
445 | EFI_STATUS Status;\r | |
446 | UINTN LoopCounter;\r | |
447 | \r | |
448 | //\r | |
449 | // If the old exists we need to restore it\r | |
450 | //\r | |
451 | if (ShellInfoObject.OldShellParameters != NULL) {\r | |
452 | Status = gBS->ReinstallProtocolInterface(gImageHandle,\r | |
453 | &gEfiShellParametersProtocolGuid,\r | |
454 | (VOID*)NewShellParameters,\r | |
455 | (VOID*)ShellInfoObject.OldShellParameters);\r | |
456 | DEBUG_CODE(ShellInfoObject.OldShellParameters = NULL;);\r | |
457 | } else {\r | |
458 | //\r | |
459 | // No old one, just uninstall us...\r | |
460 | //\r | |
461 | Status = gBS->UninstallProtocolInterface(gImageHandle,\r | |
462 | &gEfiShellParametersProtocolGuid,\r | |
463 | (VOID*)NewShellParameters);\r | |
464 | }\r | |
465 | if (NewShellParameters->Argv != NULL) {\r | |
466 | for ( LoopCounter = 0\r | |
467 | ; LoopCounter < NewShellParameters->Argc\r | |
468 | ; LoopCounter++\r | |
469 | ){\r | |
470 | FreePool(NewShellParameters->Argv[LoopCounter]);\r | |
471 | }\r | |
472 | FreePool(NewShellParameters->Argv);\r | |
473 | }\r | |
474 | FreePool(NewShellParameters);\r | |
475 | return (Status);\r | |
476 | }\r | |
477 | \r | |
478 | /**\r | |
479 | Determin if a file name represents a unicode file.\r | |
480 | \r | |
481 | @param[in] FileName Pointer to the filename to open.\r | |
482 | \r | |
483 | @retval EFI_SUCCESS The file is a unicode file.\r | |
484 | @return An error upon failure.\r | |
485 | **/\r | |
486 | EFI_STATUS\r | |
487 | EFIAPI\r | |
488 | IsUnicodeFile(\r | |
489 | IN CONST CHAR16 *FileName\r | |
490 | )\r | |
491 | {\r | |
492 | SHELL_FILE_HANDLE Handle;\r | |
493 | EFI_STATUS Status;\r | |
494 | UINT64 OriginalFilePosition;\r | |
495 | UINTN CharSize;\r | |
496 | CHAR16 CharBuffer;\r | |
497 | \r | |
498 | Status = gEfiShellProtocol->OpenFileByName(FileName, &Handle, EFI_FILE_MODE_READ);\r | |
499 | if (EFI_ERROR(Status)) {\r | |
500 | return (Status);\r | |
501 | }\r | |
502 | gEfiShellProtocol->GetFilePosition(Handle, &OriginalFilePosition);\r | |
503 | gEfiShellProtocol->SetFilePosition(Handle, 0);\r | |
504 | CharSize = sizeof(CHAR16);\r | |
505 | Status = gEfiShellProtocol->ReadFile(Handle, &CharSize, &CharBuffer);\r | |
506 | if (EFI_ERROR(Status) || CharBuffer != gUnicodeFileTag) {\r | |
507 | Status = EFI_BUFFER_TOO_SMALL;\r | |
508 | }\r | |
509 | gEfiShellProtocol->SetFilePosition(Handle, OriginalFilePosition);\r | |
510 | gEfiShellProtocol->CloseFile(Handle);\r | |
511 | return (Status); \r | |
512 | }\r | |
513 | \r | |
514 | /**\r | |
515 | Strips out quotes sections of a string.\r | |
516 | \r | |
517 | All of the characters between quotes is replaced with spaces.\r | |
518 | \r | |
519 | @param[in, out] TheString A pointer to the string to update.\r | |
520 | **/\r | |
521 | VOID\r | |
522 | EFIAPI\r | |
523 | StripQuotes (\r | |
524 | IN OUT CHAR16 *TheString\r | |
525 | )\r | |
526 | {\r | |
527 | BOOLEAN RemoveNow;\r | |
528 | \r | |
529 | for (RemoveNow = FALSE ; TheString != NULL && *TheString != CHAR_NULL ; TheString++) {\r | |
530 | if (*TheString == L'^' && *(TheString + 1) == L'\"') {\r | |
531 | TheString++;\r | |
532 | } else if (*TheString == L'\"') {\r | |
533 | RemoveNow = (BOOLEAN)!RemoveNow;\r | |
534 | } else if (RemoveNow) {\r | |
535 | *TheString = L' ';\r | |
536 | }\r | |
537 | }\r | |
538 | }\r | |
539 | \r | |
540 | /**\r | |
541 | Calcualte the 32-bit CRC in a EFI table using the service provided by the\r | |
542 | gRuntime service.\r | |
543 | \r | |
544 | @param Hdr Pointer to an EFI standard header\r | |
545 | \r | |
546 | **/\r | |
547 | VOID\r | |
548 | CalculateEfiHdrCrc (\r | |
549 | IN OUT EFI_TABLE_HEADER *Hdr\r | |
550 | )\r | |
551 | {\r | |
552 | UINT32 Crc;\r | |
553 | \r | |
554 | Hdr->CRC32 = 0;\r | |
555 | \r | |
556 | //\r | |
557 | // If gBS->CalculateCrce32 () == CoreEfiNotAvailableYet () then\r | |
558 | // Crc will come back as zero if we set it to zero here\r | |
559 | //\r | |
560 | Crc = 0;\r | |
561 | gBS->CalculateCrc32 ((UINT8 *)Hdr, Hdr->HeaderSize, &Crc);\r | |
562 | Hdr->CRC32 = Crc;\r | |
563 | }\r | |
564 | \r | |
565 | /**\r | |
566 | Fix a string to only have the file name, removing starting at the first space of whatever is quoted.\r | |
567 | \r | |
568 | @param[in] FileName The filename to start with.\r | |
569 | \r | |
570 | @retval NULL FileName was invalid.\r | |
571 | @return The modified FileName.\r | |
572 | **/\r | |
573 | CHAR16*\r | |
574 | EFIAPI\r | |
575 | FixFileName (\r | |
576 | IN CHAR16 *FileName\r | |
577 | )\r | |
578 | {\r | |
579 | CHAR16 *Copy;\r | |
580 | CHAR16 *TempLocation;\r | |
581 | \r | |
582 | if (FileName == NULL) {\r | |
583 | return (NULL);\r | |
584 | }\r | |
585 | \r | |
586 | if (FileName[0] == L'\"') {\r | |
587 | Copy = FileName+1;\r | |
588 | if ((TempLocation = StrStr(Copy , L"\"")) != NULL) {\r | |
589 | TempLocation[0] = CHAR_NULL;\r | |
590 | } \r | |
591 | } else {\r | |
592 | Copy = FileName;\r | |
593 | while(Copy[0] == L' ') {\r | |
594 | Copy++;\r | |
595 | }\r | |
596 | if ((TempLocation = StrStr(Copy , L" ")) != NULL) {\r | |
597 | TempLocation[0] = CHAR_NULL;\r | |
598 | } \r | |
599 | }\r | |
600 | \r | |
601 | if (Copy[0] == CHAR_NULL) {\r | |
602 | return (NULL);\r | |
603 | }\r | |
604 | \r | |
605 | return (Copy);\r | |
606 | }\r | |
607 | \r | |
608 | /**\r | |
609 | 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 | |
610 | \r | |
611 | @param[in] FileName The filename to start with.\r | |
612 | \r | |
613 | @retval NULL FileName was invalid.\r | |
614 | @return The modified FileName.\r | |
615 | **/\r | |
616 | CHAR16*\r | |
617 | EFIAPI\r | |
618 | FixVarName (\r | |
619 | IN CHAR16 *FileName\r | |
620 | )\r | |
621 | {\r | |
622 | CHAR16 *Copy;\r | |
623 | CHAR16 *TempLocation;\r | |
624 | \r | |
625 | Copy = FileName;\r | |
626 | \r | |
627 | if (FileName[0] == L'%') {\r | |
628 | Copy = FileName+1;\r | |
629 | if ((TempLocation = StrStr(Copy , L"%")) != NULL) {\r | |
630 | TempLocation[0] = CHAR_NULL;\r | |
631 | } \r | |
632 | }\r | |
633 | \r | |
634 | return (FixFileName(Copy));\r | |
635 | }\r | |
636 | \r | |
637 | /**\r | |
638 | Remove the unicode file tag from the begining of the file buffer since that will not be\r | |
639 | used by StdIn.\r | |
640 | \r | |
641 | @param[in] Handle Pointer to the handle of the file to be processed.\r | |
642 | \r | |
643 | @retval EFI_SUCCESS The unicode file tag has been moved successfully.\r | |
644 | **/\r | |
645 | EFI_STATUS\r | |
646 | EFIAPI\r | |
647 | RemoveFileTag(\r | |
648 | IN SHELL_FILE_HANDLE *Handle\r | |
649 | )\r | |
650 | {\r | |
651 | UINTN CharSize;\r | |
652 | CHAR16 CharBuffer;\r | |
653 | \r | |
654 | CharSize = sizeof(CHAR16);\r | |
655 | CharBuffer = 0;\r | |
656 | gEfiShellProtocol->ReadFile(*Handle, &CharSize, &CharBuffer);\r | |
657 | if (CharBuffer != gUnicodeFileTag) {\r | |
658 | gEfiShellProtocol->SetFilePosition(*Handle, 0);\r | |
659 | }\r | |
660 | return (EFI_SUCCESS);\r | |
661 | }\r | |
662 | \r | |
663 | /**\r | |
664 | Write the unicode file tag to the specified file.\r | |
665 | \r | |
666 | It is the caller's responsibility to ensure that\r | |
667 | ShellInfoObject.NewEfiShellProtocol has been initialized before calling this\r | |
668 | function.\r | |
669 | \r | |
670 | @param[in] FileHandle The file to write the unicode file tag to.\r | |
671 | \r | |
672 | @return Status code from ShellInfoObject.NewEfiShellProtocol->WriteFile.\r | |
673 | **/\r | |
674 | EFI_STATUS\r | |
675 | WriteFileTag (\r | |
676 | IN SHELL_FILE_HANDLE FileHandle\r | |
677 | )\r | |
678 | {\r | |
679 | CHAR16 FileTag;\r | |
680 | UINTN Size;\r | |
681 | EFI_STATUS Status;\r | |
682 | \r | |
683 | FileTag = gUnicodeFileTag;\r | |
684 | Size = sizeof FileTag;\r | |
685 | Status = ShellInfoObject.NewEfiShellProtocol->WriteFile (FileHandle, &Size,\r | |
686 | &FileTag);\r | |
687 | ASSERT (EFI_ERROR (Status) || Size == sizeof FileTag);\r | |
688 | return Status;\r | |
689 | }\r | |
690 | \r | |
691 | \r | |
692 | /**\r | |
693 | Funcion will replace the current StdIn and StdOut in the ShellParameters protocol\r | |
694 | structure by parsing NewCommandLine. The current values are returned to the\r | |
695 | user.\r | |
696 | \r | |
697 | This will also update the system table.\r | |
698 | \r | |
699 | @param[in, out] ShellParameters Pointer to parameter structure to modify.\r | |
700 | @param[in] NewCommandLine The new command line to parse and use.\r | |
701 | @param[out] OldStdIn Pointer to old StdIn.\r | |
702 | @param[out] OldStdOut Pointer to old StdOut.\r | |
703 | @param[out] OldStdErr Pointer to old StdErr.\r | |
704 | @param[out] SystemTableInfo Pointer to old system table information.\r | |
705 | \r | |
706 | @retval EFI_SUCCESS Operation was sucessful, Argv and Argc are valid.\r | |
707 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
708 | **/\r | |
709 | EFI_STATUS\r | |
710 | EFIAPI\r | |
711 | UpdateStdInStdOutStdErr(\r | |
712 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *ShellParameters,\r | |
713 | IN CHAR16 *NewCommandLine,\r | |
714 | OUT SHELL_FILE_HANDLE *OldStdIn,\r | |
715 | OUT SHELL_FILE_HANDLE *OldStdOut,\r | |
716 | OUT SHELL_FILE_HANDLE *OldStdErr,\r | |
717 | OUT SYSTEM_TABLE_INFO *SystemTableInfo\r | |
718 | )\r | |
719 | {\r | |
720 | CHAR16 *CommandLineCopy;\r | |
721 | CHAR16 *CommandLineWalker;\r | |
722 | CHAR16 *StdErrFileName;\r | |
723 | CHAR16 *StdOutFileName;\r | |
724 | CHAR16 *StdInFileName;\r | |
725 | CHAR16 *StdInVarName;\r | |
726 | CHAR16 *StdOutVarName;\r | |
727 | CHAR16 *StdErrVarName;\r | |
728 | EFI_STATUS Status;\r | |
729 | SHELL_FILE_HANDLE TempHandle;\r | |
730 | UINT64 FileSize;\r | |
731 | BOOLEAN OutUnicode;\r | |
732 | BOOLEAN InUnicode;\r | |
733 | BOOLEAN ErrUnicode;\r | |
734 | BOOLEAN OutAppend;\r | |
735 | BOOLEAN ErrAppend;\r | |
736 | UINTN Size;\r | |
737 | SPLIT_LIST *Split;\r | |
738 | CHAR16 *FirstLocation;\r | |
739 | \r | |
740 | OutUnicode = TRUE;\r | |
741 | InUnicode = TRUE;\r | |
742 | AsciiRedirection = FALSE;\r | |
743 | ErrUnicode = TRUE;\r | |
744 | StdInVarName = NULL;\r | |
745 | StdOutVarName = NULL;\r | |
746 | StdErrVarName = NULL;\r | |
747 | StdErrFileName = NULL;\r | |
748 | StdInFileName = NULL;\r | |
749 | StdOutFileName = NULL;\r | |
750 | ErrAppend = FALSE;\r | |
751 | OutAppend = FALSE;\r | |
752 | CommandLineCopy = NULL;\r | |
753 | FirstLocation = NULL;\r | |
754 | \r | |
755 | if (ShellParameters == NULL || SystemTableInfo == NULL || OldStdIn == NULL || OldStdOut == NULL || OldStdErr == NULL) {\r | |
756 | return (EFI_INVALID_PARAMETER);\r | |
757 | }\r | |
758 | \r | |
759 | SystemTableInfo->ConIn = gST->ConIn;\r | |
760 | SystemTableInfo->ConInHandle = gST->ConsoleInHandle;\r | |
761 | SystemTableInfo->ConOut = gST->ConOut;\r | |
762 | SystemTableInfo->ConOutHandle = gST->ConsoleOutHandle;\r | |
763 | SystemTableInfo->ErrOut = gST->StdErr;\r | |
764 | SystemTableInfo->ErrOutHandle = gST->StandardErrorHandle;\r | |
765 | *OldStdIn = ShellParameters->StdIn;\r | |
766 | *OldStdOut = ShellParameters->StdOut;\r | |
767 | *OldStdErr = ShellParameters->StdErr;\r | |
768 | \r | |
769 | if (NewCommandLine == NULL) {\r | |
770 | return (EFI_SUCCESS);\r | |
771 | }\r | |
772 | \r | |
773 | CommandLineCopy = StrnCatGrow(&CommandLineCopy, NULL, NewCommandLine, 0);\r | |
774 | if (CommandLineCopy == NULL) {\r | |
775 | return (EFI_OUT_OF_RESOURCES);\r | |
776 | }\r | |
777 | Status = EFI_SUCCESS;\r | |
778 | Split = NULL;\r | |
779 | FirstLocation = CommandLineCopy + StrLen(CommandLineCopy);\r | |
780 | \r | |
781 | StripQuotes(CommandLineCopy);\r | |
782 | \r | |
783 | if (!IsListEmpty(&ShellInfoObject.SplitList.Link)) {\r | |
784 | Split = (SPLIT_LIST*)GetFirstNode(&ShellInfoObject.SplitList.Link);\r | |
785 | if (Split != NULL && Split->SplitStdIn != NULL) {\r | |
786 | ShellParameters->StdIn = Split->SplitStdIn;\r | |
787 | }\r | |
788 | if (Split != NULL && Split->SplitStdOut != NULL) {\r | |
789 | ShellParameters->StdOut = Split->SplitStdOut;\r | |
790 | }\r | |
791 | }\r | |
792 | \r | |
793 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2>>v ")) != NULL) {\r | |
794 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r | |
795 | SetMem16(CommandLineWalker, 12, L' ');\r | |
796 | StdErrVarName = CommandLineWalker += 6;\r | |
797 | ErrAppend = TRUE;\r | |
798 | if (StrStr(CommandLineWalker, L" 2>>v ") != NULL) {\r | |
799 | Status = EFI_NOT_FOUND;\r | |
800 | }\r | |
801 | }\r | |
802 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>>v ")) != NULL) {\r | |
803 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r | |
804 | SetMem16(CommandLineWalker, 12, L' ');\r | |
805 | StdOutVarName = CommandLineWalker += 6;\r | |
806 | OutAppend = TRUE;\r | |
807 | if (StrStr(CommandLineWalker, L" 1>>v ") != NULL) {\r | |
808 | Status = EFI_NOT_FOUND;\r | |
809 | }\r | |
810 | } else if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >>v ")) != NULL) {\r | |
811 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r | |
812 | SetMem16(CommandLineWalker, 10, L' ');\r | |
813 | StdOutVarName = CommandLineWalker += 5;\r | |
814 | OutAppend = TRUE;\r | |
815 | if (StrStr(CommandLineWalker, L" >>v ") != NULL) {\r | |
816 | Status = EFI_NOT_FOUND;\r | |
817 | }\r | |
818 | } else if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >v ")) != NULL) {\r | |
819 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r | |
820 | SetMem16(CommandLineWalker, 8, L' ');\r | |
821 | StdOutVarName = CommandLineWalker += 4;\r | |
822 | OutAppend = FALSE;\r | |
823 | if (StrStr(CommandLineWalker, L" >v ") != NULL) {\r | |
824 | Status = EFI_NOT_FOUND;\r | |
825 | }\r | |
826 | }\r | |
827 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>>a ")) != NULL) {\r | |
828 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r | |
829 | SetMem16(CommandLineWalker, 12, L' ');\r | |
830 | StdOutFileName = CommandLineWalker += 6;\r | |
831 | OutAppend = TRUE;\r | |
832 | OutUnicode = FALSE;\r | |
833 | if (StrStr(CommandLineWalker, L" 1>>a ") != NULL) {\r | |
834 | Status = EFI_NOT_FOUND;\r | |
835 | }\r | |
836 | }\r | |
837 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>> ")) != NULL) {\r | |
838 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r | |
839 | SetMem16(CommandLineWalker, 10, L' ');\r | |
840 | if (StdOutFileName != NULL) {\r | |
841 | Status = EFI_INVALID_PARAMETER;\r | |
842 | } else {\r | |
843 | StdOutFileName = CommandLineWalker += 5;\r | |
844 | OutAppend = TRUE;\r | |
845 | }\r | |
846 | if (StrStr(CommandLineWalker, L" 1>> ") != NULL) {\r | |
847 | Status = EFI_NOT_FOUND;\r | |
848 | }\r | |
849 | } \r | |
850 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >> ")) != NULL) {\r | |
851 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r | |
852 | SetMem16(CommandLineWalker, 8, L' ');\r | |
853 | if (StdOutFileName != NULL) {\r | |
854 | Status = EFI_INVALID_PARAMETER;\r | |
855 | } else {\r | |
856 | StdOutFileName = CommandLineWalker += 4;\r | |
857 | OutAppend = TRUE;\r | |
858 | }\r | |
859 | if (StrStr(CommandLineWalker, L" >> ") != NULL) {\r | |
860 | Status = EFI_NOT_FOUND;\r | |
861 | }\r | |
862 | }\r | |
863 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >>a ")) != NULL) {\r | |
864 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r | |
865 | SetMem16(CommandLineWalker, 10, L' ');\r | |
866 | if (StdOutFileName != NULL) {\r | |
867 | Status = EFI_INVALID_PARAMETER;\r | |
868 | } else {\r | |
869 | StdOutFileName = CommandLineWalker += 5;\r | |
870 | OutAppend = TRUE;\r | |
871 | OutUnicode = FALSE;\r | |
872 | }\r | |
873 | if (StrStr(CommandLineWalker, L" >>a ") != NULL) {\r | |
874 | Status = EFI_NOT_FOUND;\r | |
875 | }\r | |
876 | } \r | |
877 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>a ")) != NULL) {\r | |
878 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r | |
879 | SetMem16(CommandLineWalker, 10, L' ');\r | |
880 | if (StdOutFileName != NULL) {\r | |
881 | Status = EFI_INVALID_PARAMETER;\r | |
882 | } else {\r | |
883 | StdOutFileName = CommandLineWalker += 5;\r | |
884 | OutAppend = FALSE;\r | |
885 | OutUnicode = FALSE;\r | |
886 | }\r | |
887 | if (StrStr(CommandLineWalker, L" 1>a ") != NULL) {\r | |
888 | Status = EFI_NOT_FOUND;\r | |
889 | }\r | |
890 | } \r | |
891 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >a ")) != NULL) {\r | |
892 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r | |
893 | SetMem16(CommandLineWalker, 8, L' ');\r | |
894 | if (StdOutFileName != NULL) {\r | |
895 | Status = EFI_INVALID_PARAMETER;\r | |
896 | } else {\r | |
897 | StdOutFileName = CommandLineWalker += 4;\r | |
898 | OutAppend = FALSE;\r | |
899 | OutUnicode = FALSE;\r | |
900 | }\r | |
901 | if (StrStr(CommandLineWalker, L" >a ") != NULL) {\r | |
902 | Status = EFI_NOT_FOUND;\r | |
903 | }\r | |
904 | }\r | |
905 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2>> ")) != NULL) {\r | |
906 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r | |
907 | SetMem16(CommandLineWalker, 10, L' ');\r | |
908 | if (StdErrFileName != NULL) {\r | |
909 | Status = EFI_INVALID_PARAMETER;\r | |
910 | } else {\r | |
911 | StdErrFileName = CommandLineWalker += 5;\r | |
912 | ErrAppend = TRUE;\r | |
913 | }\r | |
914 | if (StrStr(CommandLineWalker, L" 2>> ") != NULL) {\r | |
915 | Status = EFI_NOT_FOUND;\r | |
916 | }\r | |
917 | }\r | |
918 | \r | |
919 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2>v ")) != NULL) {\r | |
920 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r | |
921 | SetMem16(CommandLineWalker, 10, L' ');\r | |
922 | if (StdErrVarName != NULL) {\r | |
923 | Status = EFI_INVALID_PARAMETER;\r | |
924 | } else {\r | |
925 | StdErrVarName = CommandLineWalker += 5;\r | |
926 | ErrAppend = FALSE;\r | |
927 | }\r | |
928 | if (StrStr(CommandLineWalker, L" 2>v ") != NULL) {\r | |
929 | Status = EFI_NOT_FOUND;\r | |
930 | }\r | |
931 | }\r | |
932 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>v ")) != NULL) {\r | |
933 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r | |
934 | SetMem16(CommandLineWalker, 10, L' ');\r | |
935 | if (StdOutVarName != NULL) {\r | |
936 | Status = EFI_INVALID_PARAMETER;\r | |
937 | } else {\r | |
938 | StdOutVarName = CommandLineWalker += 5;\r | |
939 | OutAppend = FALSE;\r | |
940 | }\r | |
941 | if (StrStr(CommandLineWalker, L" 1>v ") != NULL) {\r | |
942 | Status = EFI_NOT_FOUND;\r | |
943 | }\r | |
944 | }\r | |
945 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2>a ")) != NULL) {\r | |
946 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r | |
947 | SetMem16(CommandLineWalker, 10, L' ');\r | |
948 | if (StdErrFileName != NULL) {\r | |
949 | Status = EFI_INVALID_PARAMETER;\r | |
950 | } else {\r | |
951 | StdErrFileName = CommandLineWalker += 5;\r | |
952 | ErrAppend = FALSE;\r | |
953 | ErrUnicode = FALSE;\r | |
954 | }\r | |
955 | if (StrStr(CommandLineWalker, L" 2>a ") != NULL) {\r | |
956 | Status = EFI_NOT_FOUND;\r | |
957 | }\r | |
958 | }\r | |
959 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2> ")) != NULL) {\r | |
960 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r | |
961 | SetMem16(CommandLineWalker, 8, L' ');\r | |
962 | if (StdErrFileName != NULL) {\r | |
963 | Status = EFI_INVALID_PARAMETER;\r | |
964 | } else {\r | |
965 | StdErrFileName = CommandLineWalker += 4;\r | |
966 | ErrAppend = FALSE;\r | |
967 | }\r | |
968 | if (StrStr(CommandLineWalker, L" 2> ") != NULL) {\r | |
969 | Status = EFI_NOT_FOUND;\r | |
970 | }\r | |
971 | }\r | |
972 | \r | |
973 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1> ")) != NULL) {\r | |
974 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r | |
975 | SetMem16(CommandLineWalker, 8, L' ');\r | |
976 | if (StdOutFileName != NULL) {\r | |
977 | Status = EFI_INVALID_PARAMETER;\r | |
978 | } else {\r | |
979 | StdOutFileName = CommandLineWalker += 4;\r | |
980 | OutAppend = FALSE;\r | |
981 | }\r | |
982 | if (StrStr(CommandLineWalker, L" 1> ") != NULL) {\r | |
983 | Status = EFI_NOT_FOUND;\r | |
984 | }\r | |
985 | }\r | |
986 | \r | |
987 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" > ")) != NULL) {\r | |
988 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r | |
989 | SetMem16(CommandLineWalker, 6, L' ');\r | |
990 | if (StdOutFileName != NULL) {\r | |
991 | Status = EFI_INVALID_PARAMETER;\r | |
992 | } else {\r | |
993 | StdOutFileName = CommandLineWalker += 3;\r | |
994 | OutAppend = FALSE;\r | |
995 | }\r | |
996 | if (StrStr(CommandLineWalker, L" > ") != NULL) {\r | |
997 | Status = EFI_NOT_FOUND;\r | |
998 | }\r | |
999 | }\r | |
1000 | \r | |
1001 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" < ")) != NULL) {\r | |
1002 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r | |
1003 | SetMem16(CommandLineWalker, 6, L' ');\r | |
1004 | if (StdInFileName != NULL) {\r | |
1005 | Status = EFI_INVALID_PARAMETER;\r | |
1006 | } else {\r | |
1007 | StdInFileName = CommandLineWalker += 3;\r | |
1008 | }\r | |
1009 | if (StrStr(CommandLineWalker, L" < ") != NULL) {\r | |
1010 | Status = EFI_NOT_FOUND;\r | |
1011 | }\r | |
1012 | }\r | |
1013 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" <a ")) != NULL) {\r | |
1014 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r | |
1015 | SetMem16(CommandLineWalker, 8, L' ');\r | |
1016 | if (StdInFileName != NULL) {\r | |
1017 | Status = EFI_INVALID_PARAMETER;\r | |
1018 | } else {\r | |
1019 | StdInFileName = CommandLineWalker += 4;\r | |
1020 | InUnicode = FALSE;\r | |
1021 | AsciiRedirection = TRUE;\r | |
1022 | }\r | |
1023 | if (StrStr(CommandLineWalker, L" <a ") != NULL) {\r | |
1024 | Status = EFI_NOT_FOUND;\r | |
1025 | }\r | |
1026 | }\r | |
1027 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" <v ")) != NULL) {\r | |
1028 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r | |
1029 | SetMem16(CommandLineWalker, 8, L' ');\r | |
1030 | if (StdInVarName != NULL) {\r | |
1031 | Status = EFI_INVALID_PARAMETER;\r | |
1032 | } else {\r | |
1033 | StdInVarName = CommandLineWalker += 4;\r | |
1034 | }\r | |
1035 | if (StrStr(CommandLineWalker, L" <v ") != NULL) {\r | |
1036 | Status = EFI_NOT_FOUND;\r | |
1037 | }\r | |
1038 | }\r | |
1039 | \r | |
1040 | //\r | |
1041 | // re-populate the string to support any filenames that were in quotes.\r | |
1042 | //\r | |
1043 | StrnCpyS(CommandLineCopy, StrSize(CommandLineCopy)/sizeof(CHAR16), NewCommandLine, StrLen(NewCommandLine));\r | |
1044 | \r | |
1045 | if (FirstLocation != CommandLineCopy + StrLen(CommandLineCopy)\r | |
1046 | && ((UINTN)(FirstLocation - CommandLineCopy) < StrLen(NewCommandLine))\r | |
1047 | ){\r | |
1048 | *(NewCommandLine + (UINTN)(FirstLocation - CommandLineCopy)) = CHAR_NULL;\r | |
1049 | }\r | |
1050 | \r | |
1051 | if (!EFI_ERROR(Status)) {\r | |
1052 | \r | |
1053 | if (StdErrFileName != NULL) {\r | |
1054 | if ((StdErrFileName = FixFileName(StdErrFileName)) == NULL) {\r | |
1055 | Status = EFI_INVALID_PARAMETER;\r | |
1056 | }\r | |
1057 | }\r | |
1058 | if (StdOutFileName != NULL) {\r | |
1059 | if ((StdOutFileName = FixFileName(StdOutFileName)) == NULL) {\r | |
1060 | Status = EFI_INVALID_PARAMETER;\r | |
1061 | }\r | |
1062 | }\r | |
1063 | if (StdInFileName != NULL) {\r | |
1064 | if ((StdInFileName = FixFileName(StdInFileName)) == NULL) {\r | |
1065 | Status = EFI_INVALID_PARAMETER;\r | |
1066 | }\r | |
1067 | }\r | |
1068 | if (StdErrVarName != NULL) {\r | |
1069 | if ((StdErrVarName = FixVarName(StdErrVarName)) == NULL) {\r | |
1070 | Status = EFI_INVALID_PARAMETER;\r | |
1071 | }\r | |
1072 | }\r | |
1073 | if (StdOutVarName != NULL) {\r | |
1074 | if ((StdOutVarName = FixVarName(StdOutVarName)) == NULL) {\r | |
1075 | Status = EFI_INVALID_PARAMETER;\r | |
1076 | }\r | |
1077 | }\r | |
1078 | if (StdInVarName != NULL) {\r | |
1079 | if ((StdInVarName = FixVarName(StdInVarName)) == NULL) {\r | |
1080 | Status = EFI_INVALID_PARAMETER;\r | |
1081 | }\r | |
1082 | }\r | |
1083 | \r | |
1084 | //\r | |
1085 | // Verify not the same and not duplicating something from a split\r | |
1086 | //\r | |
1087 | if (\r | |
1088 | //\r | |
1089 | // Check that no 2 filenames are the same\r | |
1090 | //\r | |
1091 | (StdErrFileName != NULL && StdOutFileName!= NULL && StringNoCaseCompare(&StdErrFileName, &StdOutFileName) == 0)\r | |
1092 | ||(StdErrFileName != NULL && StdInFileName != NULL && StringNoCaseCompare(&StdErrFileName, &StdInFileName ) == 0)\r | |
1093 | ||(StdOutFileName != NULL && StdInFileName != NULL && StringNoCaseCompare(&StdOutFileName, &StdInFileName ) == 0)\r | |
1094 | //\r | |
1095 | // Check that no 2 variable names are the same\r | |
1096 | //\r | |
1097 | ||(StdErrVarName != NULL && StdInVarName != NULL && StringNoCaseCompare(&StdErrVarName , &StdInVarName ) == 0)\r | |
1098 | ||(StdOutVarName != NULL && StdInVarName != NULL && StringNoCaseCompare(&StdOutVarName , &StdInVarName ) == 0)\r | |
1099 | ||(StdErrVarName != NULL && StdOutVarName != NULL && StringNoCaseCompare(&StdErrVarName , &StdOutVarName ) == 0)\r | |
1100 | //\r | |
1101 | // When a split (using | operator) is in place some are not allowed\r | |
1102 | //\r | |
1103 | ||(Split != NULL && Split->SplitStdIn != NULL && (StdInVarName != NULL || StdInFileName != NULL))\r | |
1104 | ||(Split != NULL && Split->SplitStdOut != NULL && (StdOutVarName != NULL || StdOutFileName != NULL))\r | |
1105 | //\r | |
1106 | // Check that nothing is trying to be output to 2 locations.\r | |
1107 | //\r | |
1108 | ||(StdErrFileName != NULL && StdErrVarName != NULL)\r | |
1109 | ||(StdOutFileName != NULL && StdOutVarName != NULL)\r | |
1110 | ||(StdInFileName != NULL && StdInVarName != NULL)\r | |
1111 | //\r | |
1112 | // Check for no volatile environment variables\r | |
1113 | //\r | |
1114 | ||(StdErrVarName != NULL && !IsVolatileEnv(StdErrVarName))\r | |
1115 | ||(StdOutVarName != NULL && !IsVolatileEnv(StdOutVarName))\r | |
1116 | //\r | |
1117 | // Cant redirect during a reconnect operation.\r | |
1118 | //\r | |
1119 | ||(StrStr(NewCommandLine, L"connect -r") != NULL \r | |
1120 | && (StdOutVarName != NULL || StdOutFileName != NULL || StdErrFileName != NULL || StdErrVarName != NULL))\r | |
1121 | //\r | |
1122 | // Check that filetypes (Unicode/Ascii) do not change during an append\r | |
1123 | //\r | |
1124 | ||(StdOutFileName != NULL && OutUnicode && OutAppend && (!EFI_ERROR(ShellFileExists(StdOutFileName)) && EFI_ERROR(IsUnicodeFile(StdOutFileName))))\r | |
1125 | ||(StdErrFileName != NULL && ErrUnicode && ErrAppend && (!EFI_ERROR(ShellFileExists(StdErrFileName)) && EFI_ERROR(IsUnicodeFile(StdErrFileName))))\r | |
1126 | ||(StdOutFileName != NULL && !OutUnicode && OutAppend && (!EFI_ERROR(ShellFileExists(StdOutFileName)) && !EFI_ERROR(IsUnicodeFile(StdOutFileName))))\r | |
1127 | ||(StdErrFileName != NULL && !ErrUnicode && ErrAppend && (!EFI_ERROR(ShellFileExists(StdErrFileName)) && !EFI_ERROR(IsUnicodeFile(StdErrFileName))))\r | |
1128 | ){\r | |
1129 | Status = EFI_INVALID_PARAMETER;\r | |
1130 | ShellParameters->StdIn = *OldStdIn;\r | |
1131 | ShellParameters->StdOut = *OldStdOut;\r | |
1132 | ShellParameters->StdErr = *OldStdErr;\r | |
1133 | } else if (!EFI_ERROR(Status)){\r | |
1134 | //\r | |
1135 | // Open the Std<Whatever> and we should not have conflicts here...\r | |
1136 | //\r | |
1137 | \r | |
1138 | //\r | |
1139 | // StdErr to a file\r | |
1140 | //\r | |
1141 | if (StdErrFileName != NULL) {\r | |
1142 | if (!ErrAppend) {\r | |
1143 | //\r | |
1144 | // delete existing file.\r | |
1145 | //\r | |
1146 | ShellInfoObject.NewEfiShellProtocol->DeleteFileByName(StdErrFileName);\r | |
1147 | }\r | |
1148 | Status = ShellOpenFileByName(StdErrFileName, &TempHandle, EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ|EFI_FILE_MODE_CREATE,0);\r | |
1149 | if (!ErrAppend && ErrUnicode && !EFI_ERROR(Status)) {\r | |
1150 | Status = WriteFileTag (TempHandle);\r | |
1151 | }\r | |
1152 | if (!ErrUnicode && !EFI_ERROR(Status)) {\r | |
1153 | TempHandle = CreateFileInterfaceFile(TempHandle, FALSE);\r | |
1154 | ASSERT(TempHandle != NULL);\r | |
1155 | }\r | |
1156 | if (!EFI_ERROR(Status)) {\r | |
1157 | ShellParameters->StdErr = TempHandle;\r | |
1158 | gST->StdErr = CreateSimpleTextOutOnFile(TempHandle, &gST->StandardErrorHandle, gST->StdErr);\r | |
1159 | }\r | |
1160 | }\r | |
1161 | \r | |
1162 | //\r | |
1163 | // StdOut to a file\r | |
1164 | //\r | |
1165 | if (!EFI_ERROR(Status) && StdOutFileName != NULL) {\r | |
1166 | if (!OutAppend) {\r | |
1167 | //\r | |
1168 | // delete existing file.\r | |
1169 | //\r | |
1170 | ShellInfoObject.NewEfiShellProtocol->DeleteFileByName(StdOutFileName);\r | |
1171 | }\r | |
1172 | Status = ShellOpenFileByName(StdOutFileName, &TempHandle, EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ|EFI_FILE_MODE_CREATE,0);\r | |
1173 | if (TempHandle == NULL) {\r | |
1174 | Status = EFI_INVALID_PARAMETER;\r | |
1175 | } else {\r | |
1176 | if (StrStr(StdOutFileName, L"NUL")==StdOutFileName) {\r | |
1177 | //no-op\r | |
1178 | } else if (!OutAppend && OutUnicode && !EFI_ERROR(Status)) {\r | |
1179 | Status = WriteFileTag (TempHandle);\r | |
1180 | } else if (OutAppend) {\r | |
1181 | Status = ShellInfoObject.NewEfiShellProtocol->GetFileSize(TempHandle, &FileSize);\r | |
1182 | if (!EFI_ERROR(Status)) {\r | |
1183 | //\r | |
1184 | // When appending to a new unicode file, write the file tag.\r | |
1185 | // Otherwise (ie. when appending to a new ASCII file, or an\r | |
1186 | // existent file with any encoding), just seek to the end.\r | |
1187 | //\r | |
1188 | Status = (FileSize == 0 && OutUnicode) ?\r | |
1189 | WriteFileTag (TempHandle) :\r | |
1190 | ShellInfoObject.NewEfiShellProtocol->SetFilePosition (\r | |
1191 | TempHandle,\r | |
1192 | FileSize);\r | |
1193 | }\r | |
1194 | }\r | |
1195 | if (!OutUnicode && !EFI_ERROR(Status)) {\r | |
1196 | TempHandle = CreateFileInterfaceFile(TempHandle, FALSE);\r | |
1197 | ASSERT(TempHandle != NULL);\r | |
1198 | }\r | |
1199 | if (!EFI_ERROR(Status)) {\r | |
1200 | ShellParameters->StdOut = TempHandle;\r | |
1201 | gST->ConOut = CreateSimpleTextOutOnFile(TempHandle, &gST->ConsoleOutHandle, gST->ConOut);\r | |
1202 | }\r | |
1203 | }\r | |
1204 | }\r | |
1205 | \r | |
1206 | //\r | |
1207 | // StdOut to a var\r | |
1208 | //\r | |
1209 | if (!EFI_ERROR(Status) && StdOutVarName != NULL) {\r | |
1210 | if (!OutAppend) {\r | |
1211 | //\r | |
1212 | // delete existing variable.\r | |
1213 | //\r | |
1214 | SHELL_SET_ENVIRONMENT_VARIABLE_V(StdOutVarName, 0, L"");\r | |
1215 | }\r | |
1216 | TempHandle = CreateFileInterfaceEnv(StdOutVarName);\r | |
1217 | ASSERT(TempHandle != NULL);\r | |
1218 | ShellParameters->StdOut = TempHandle;\r | |
1219 | gST->ConOut = CreateSimpleTextOutOnFile(TempHandle, &gST->ConsoleOutHandle, gST->ConOut);\r | |
1220 | }\r | |
1221 | \r | |
1222 | //\r | |
1223 | // StdErr to a var\r | |
1224 | //\r | |
1225 | if (!EFI_ERROR(Status) && StdErrVarName != NULL) {\r | |
1226 | if (!ErrAppend) {\r | |
1227 | //\r | |
1228 | // delete existing variable.\r | |
1229 | //\r | |
1230 | SHELL_SET_ENVIRONMENT_VARIABLE_V(StdErrVarName, 0, L"");\r | |
1231 | }\r | |
1232 | TempHandle = CreateFileInterfaceEnv(StdErrVarName);\r | |
1233 | ASSERT(TempHandle != NULL);\r | |
1234 | ShellParameters->StdErr = TempHandle;\r | |
1235 | gST->StdErr = CreateSimpleTextOutOnFile(TempHandle, &gST->StandardErrorHandle, gST->StdErr);\r | |
1236 | }\r | |
1237 | \r | |
1238 | //\r | |
1239 | // StdIn from a var\r | |
1240 | //\r | |
1241 | if (!EFI_ERROR(Status) && StdInVarName != NULL) {\r | |
1242 | TempHandle = CreateFileInterfaceEnv(StdInVarName);\r | |
1243 | if (TempHandle == NULL) {\r | |
1244 | Status = EFI_OUT_OF_RESOURCES;\r | |
1245 | } else {\r | |
1246 | if (!InUnicode) {\r | |
1247 | TempHandle = CreateFileInterfaceFile(TempHandle, FALSE);\r | |
1248 | }\r | |
1249 | Size = 0;\r | |
1250 | if (TempHandle == NULL || ((EFI_FILE_PROTOCOL*)TempHandle)->Read(TempHandle, &Size, NULL) != EFI_BUFFER_TOO_SMALL) {\r | |
1251 | Status = EFI_INVALID_PARAMETER;\r | |
1252 | } else {\r | |
1253 | ShellParameters->StdIn = TempHandle;\r | |
1254 | gST->ConIn = CreateSimpleTextInOnFile(TempHandle, &gST->ConsoleInHandle);\r | |
1255 | }\r | |
1256 | }\r | |
1257 | }\r | |
1258 | \r | |
1259 | //\r | |
1260 | // StdIn from a file\r | |
1261 | //\r | |
1262 | if (!EFI_ERROR(Status) && StdInFileName != NULL) {\r | |
1263 | Status = ShellOpenFileByName(\r | |
1264 | StdInFileName,\r | |
1265 | &TempHandle,\r | |
1266 | EFI_FILE_MODE_READ,\r | |
1267 | 0);\r | |
1268 | if (!EFI_ERROR(Status)) {\r | |
1269 | if (!InUnicode) { | |
1270 | // | |
1271 | // Create the ASCII->Unicode conversion layer | |
1272 | // | |
1273 | TempHandle = CreateFileInterfaceFile(TempHandle, FALSE); | |
1274 | } | |
1275 | ShellParameters->StdIn = TempHandle;\r | |
1276 | gST->ConIn = CreateSimpleTextInOnFile(TempHandle, &gST->ConsoleInHandle);\r | |
1277 | }\r | |
1278 | }\r | |
1279 | }\r | |
1280 | }\r | |
1281 | FreePool(CommandLineCopy);\r | |
1282 | \r | |
1283 | CalculateEfiHdrCrc(&gST->Hdr);\r | |
1284 | \r | |
1285 | if (gST->ConIn == NULL ||gST->ConOut == NULL) {\r | |
1286 | Status = EFI_OUT_OF_RESOURCES;\r | |
1287 | }\r | |
1288 | \r | |
1289 | if (Status == EFI_NOT_FOUND) {\r | |
1290 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_REDUNDA_REDIR), ShellInfoObject.HiiHandle);\r | |
1291 | } else if (EFI_ERROR(Status)) {\r | |
1292 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_INVALID_REDIR), ShellInfoObject.HiiHandle);\r | |
1293 | }\r | |
1294 | \r | |
1295 | return (Status);\r | |
1296 | }\r | |
1297 | \r | |
1298 | /**\r | |
1299 | Funcion will replace the current StdIn and StdOut in the ShellParameters protocol\r | |
1300 | structure with StdIn and StdOut. The current values are de-allocated.\r | |
1301 | \r | |
1302 | @param[in, out] ShellParameters Pointer to parameter structure to modify.\r | |
1303 | @param[in] OldStdIn Pointer to old StdIn.\r | |
1304 | @param[in] OldStdOut Pointer to old StdOut.\r | |
1305 | @param[in] OldStdErr Pointer to old StdErr.\r | |
1306 | @param[in] SystemTableInfo Pointer to old system table information.\r | |
1307 | **/\r | |
1308 | EFI_STATUS\r | |
1309 | EFIAPI\r | |
1310 | RestoreStdInStdOutStdErr (\r | |
1311 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *ShellParameters,\r | |
1312 | IN SHELL_FILE_HANDLE *OldStdIn,\r | |
1313 | IN SHELL_FILE_HANDLE *OldStdOut,\r | |
1314 | IN SHELL_FILE_HANDLE *OldStdErr,\r | |
1315 | IN SYSTEM_TABLE_INFO *SystemTableInfo\r | |
1316 | )\r | |
1317 | {\r | |
1318 | SPLIT_LIST *Split;\r | |
1319 | \r | |
1320 | if (ShellParameters == NULL \r | |
1321 | ||OldStdIn == NULL\r | |
1322 | ||OldStdOut == NULL\r | |
1323 | ||OldStdErr == NULL\r | |
1324 | ||SystemTableInfo == NULL) {\r | |
1325 | return (EFI_INVALID_PARAMETER);\r | |
1326 | }\r | |
1327 | if (!IsListEmpty(&ShellInfoObject.SplitList.Link)) {\r | |
1328 | Split = (SPLIT_LIST*)GetFirstNode(&ShellInfoObject.SplitList.Link);\r | |
1329 | } else {\r | |
1330 | Split = NULL;\r | |
1331 | }\r | |
1332 | if (ShellParameters->StdIn != *OldStdIn) {\r | |
1333 | if ((Split != NULL && Split->SplitStdIn != ShellParameters->StdIn) || Split == NULL) {\r | |
1334 | gEfiShellProtocol->CloseFile(ShellParameters->StdIn);\r | |
1335 | }\r | |
1336 | ShellParameters->StdIn = *OldStdIn;\r | |
1337 | }\r | |
1338 | if (ShellParameters->StdOut != *OldStdOut) {\r | |
1339 | if ((Split != NULL && Split->SplitStdOut != ShellParameters->StdOut) || Split == NULL) {\r | |
1340 | gEfiShellProtocol->CloseFile(ShellParameters->StdOut);\r | |
1341 | }\r | |
1342 | ShellParameters->StdOut = *OldStdOut;\r | |
1343 | }\r | |
1344 | if (ShellParameters->StdErr != *OldStdErr) {\r | |
1345 | gEfiShellProtocol->CloseFile(ShellParameters->StdErr);\r | |
1346 | ShellParameters->StdErr = *OldStdErr;\r | |
1347 | }\r | |
1348 | \r | |
1349 | if (gST->ConIn != SystemTableInfo->ConIn) {\r | |
1350 | CloseSimpleTextInOnFile(gST->ConIn);\r | |
1351 | gST->ConIn = SystemTableInfo->ConIn;\r | |
1352 | gST->ConsoleInHandle = SystemTableInfo->ConInHandle;\r | |
1353 | }\r | |
1354 | if (gST->ConOut != SystemTableInfo->ConOut) {\r | |
1355 | CloseSimpleTextOutOnFile(gST->ConOut);\r | |
1356 | gST->ConOut = SystemTableInfo->ConOut;\r | |
1357 | gST->ConsoleOutHandle = SystemTableInfo->ConOutHandle;\r | |
1358 | }\r | |
1359 | if (gST->StdErr != SystemTableInfo->ErrOut) {\r | |
1360 | CloseSimpleTextOutOnFile(gST->StdErr);\r | |
1361 | gST->StdErr = SystemTableInfo->ErrOut;\r | |
1362 | gST->StandardErrorHandle = SystemTableInfo->ErrOutHandle;\r | |
1363 | }\r | |
1364 | \r | |
1365 | CalculateEfiHdrCrc(&gST->Hdr);\r | |
1366 | \r | |
1367 | return (EFI_SUCCESS);\r | |
1368 | }\r | |
1369 | /**\r | |
1370 | Funcion will replace the current Argc and Argv in the ShellParameters protocol\r | |
1371 | structure by parsing NewCommandLine. The current values are returned to the\r | |
1372 | user.\r | |
1373 | \r | |
1374 | If OldArgv or OldArgc is NULL then that value is not returned.\r | |
1375 | \r | |
1376 | @param[in, out] ShellParameters Pointer to parameter structure to modify.\r | |
1377 | @param[in] NewCommandLine The new command line to parse and use.\r | |
1378 | @param[in] Type The type of operation.\r | |
1379 | @param[out] OldArgv Pointer to old list of parameters.\r | |
1380 | @param[out] OldArgc Pointer to old number of items in Argv list.\r | |
1381 | \r | |
1382 | @retval EFI_SUCCESS Operation was sucessful, Argv and Argc are valid.\r | |
1383 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
1384 | **/\r | |
1385 | EFI_STATUS\r | |
1386 | EFIAPI\r | |
1387 | UpdateArgcArgv(\r | |
1388 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *ShellParameters,\r | |
1389 | IN CONST CHAR16 *NewCommandLine,\r | |
1390 | IN SHELL_OPERATION_TYPES Type,\r | |
1391 | OUT CHAR16 ***OldArgv OPTIONAL,\r | |
1392 | OUT UINTN *OldArgc OPTIONAL\r | |
1393 | )\r | |
1394 | {\r | |
1395 | BOOLEAN StripParamQuotation;\r | |
1396 | \r | |
1397 | ASSERT(ShellParameters != NULL);\r | |
1398 | StripParamQuotation = TRUE;\r | |
1399 | \r | |
1400 | if (OldArgc != NULL) {\r | |
1401 | *OldArgc = ShellParameters->Argc;\r | |
1402 | }\r | |
1403 | if (OldArgc != NULL) {\r | |
1404 | *OldArgv = ShellParameters->Argv;\r | |
1405 | }\r | |
1406 | \r | |
1407 | if (Type == Script_File_Name) {\r | |
1408 | StripParamQuotation = FALSE;\r | |
1409 | }\r | |
1410 | \r | |
1411 | return ParseCommandLineToArgs( NewCommandLine, \r | |
1412 | StripParamQuotation, \r | |
1413 | &(ShellParameters->Argv), \r | |
1414 | &(ShellParameters->Argc)\r | |
1415 | );\r | |
1416 | }\r | |
1417 | \r | |
1418 | /**\r | |
1419 | Funcion will replace the current Argc and Argv in the ShellParameters protocol\r | |
1420 | structure with Argv and Argc. The current values are de-allocated and the\r | |
1421 | OldArgv must not be deallocated by the caller.\r | |
1422 | \r | |
1423 | @param[in, out] ShellParameters pointer to parameter structure to modify\r | |
1424 | @param[in] OldArgv pointer to old list of parameters\r | |
1425 | @param[in] OldArgc pointer to old number of items in Argv list\r | |
1426 | **/\r | |
1427 | VOID\r | |
1428 | EFIAPI\r | |
1429 | RestoreArgcArgv(\r | |
1430 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *ShellParameters,\r | |
1431 | IN CHAR16 ***OldArgv,\r | |
1432 | IN UINTN *OldArgc\r | |
1433 | )\r | |
1434 | {\r | |
1435 | UINTN LoopCounter;\r | |
1436 | ASSERT(ShellParameters != NULL);\r | |
1437 | ASSERT(OldArgv != NULL);\r | |
1438 | ASSERT(OldArgc != NULL);\r | |
1439 | \r | |
1440 | if (ShellParameters->Argv != NULL) {\r | |
1441 | for ( LoopCounter = 0\r | |
1442 | ; LoopCounter < ShellParameters->Argc\r | |
1443 | ; LoopCounter++\r | |
1444 | ){\r | |
1445 | FreePool(ShellParameters->Argv[LoopCounter]);\r | |
1446 | }\r | |
1447 | FreePool(ShellParameters->Argv);\r | |
1448 | }\r | |
1449 | ShellParameters->Argv = *OldArgv;\r | |
1450 | *OldArgv = NULL;\r | |
1451 | ShellParameters->Argc = *OldArgc;\r | |
1452 | *OldArgc = 0;\r | |
1453 | }\r |