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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 | |
94c2a044 | 5 | Copyright (C) 2014, Red Hat, Inc.\r |
c011b6c9 | 6 | (C) Copyright 2013 Hewlett-Packard Development Company, L.P.<BR>\r |
14030c5c | 7 | Copyright (c) 2009 - 2015, Intel Corporation. All rights reserved.<BR>\r |
a405b86d | 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 | |
0406a571 | 18 | #include "Shell.h"\r |
a405b86d | 19 | \r |
14030c5c | 20 | /**\r |
3ab016b2 | 21 | Return the next parameter's end from a command line string.\r |
14030c5c JC |
22 | \r |
23 | @param[in] String the string to parse\r | |
24 | **/\r | |
25 | CONST CHAR16*\r | |
26 | EFIAPI\r | |
27 | FindEndOfParameter(\r | |
28 | IN CONST CHAR16 *String\r | |
29 | )\r | |
30 | {\r | |
14030c5c JC |
31 | CONST CHAR16 *First;\r |
32 | CONST CHAR16 *CloseQuote;\r | |
33 | \r | |
7cc7022d | 34 | First = FindFirstCharacter(String, L" \"", L'^');\r |
14030c5c JC |
35 | \r |
36 | //\r | |
37 | // nothing, all one parameter remaining\r | |
38 | //\r | |
39 | if (*First == CHAR_NULL) {\r | |
40 | return (First);\r | |
41 | }\r | |
42 | \r | |
43 | //\r | |
44 | // If space before a quote (or neither found, i.e. both CHAR_NULL),\r | |
45 | // then that's the end.\r | |
46 | //\r | |
7cc7022d JC |
47 | if (*First == L' ') {\r |
48 | return (First);\r | |
14030c5c JC |
49 | }\r |
50 | \r | |
7cc7022d | 51 | CloseQuote = FindFirstCharacter (First+1, L"\"", L'^');\r |
14030c5c JC |
52 | \r |
53 | //\r | |
7cc7022d | 54 | // We did not find a terminator...\r |
14030c5c JC |
55 | //\r |
56 | if (*CloseQuote == CHAR_NULL) {\r | |
57 | return (NULL);\r | |
58 | }\r | |
59 | \r | |
60 | return (FindEndOfParameter (CloseQuote+1));\r | |
61 | }\r | |
62 | \r | |
63 | /**\r | |
3ab016b2 | 64 | Return the next parameter from a command line string.\r |
a405b86d | 65 | \r |
66 | This function moves the next parameter from Walker into TempParameter and moves\r | |
67 | Walker up past that parameter for recursive calling. When the final parameter\r | |
68 | is moved *Walker will be set to NULL;\r | |
69 | \r | |
70 | Temp Parameter must be large enough to hold the parameter before calling this\r | |
71 | function.\r | |
72 | \r | |
14030c5c JC |
73 | This will also remove all remaining ^ characters after processing.\r |
74 | \r | |
4ff7e37b | 75 | @param[in, out] Walker pointer to string of command line. Adjusted to\r |
a405b86d | 76 | reminaing command line on return\r |
4ff7e37b | 77 | @param[in, out] TempParameter pointer to string of command line item extracted.\r |
33fe8308 | 78 | @param[in] Length buffer size of TempParameter.\r |
14030c5c JC |
79 | \r |
80 | @return EFI_INALID_PARAMETER A required parameter was NULL or pointed to a NULL or empty string.\r | |
81 | @return EFI_NOT_FOUND A closing " could not be found on the specified string\r | |
a405b86d | 82 | **/\r |
14030c5c | 83 | EFI_STATUS\r |
a405b86d | 84 | EFIAPI\r |
85 | GetNextParameter(\r | |
7f79b01e JC |
86 | IN OUT CHAR16 **Walker,\r |
87 | IN OUT CHAR16 **TempParameter,\r | |
88 | IN CONST UINTN Length\r | |
a405b86d | 89 | )\r |
90 | {\r | |
7cc7022d | 91 | CONST CHAR16 *NextDelim;\r |
a405b86d | 92 | \r |
14030c5c JC |
93 | if (Walker == NULL\r |
94 | ||*Walker == NULL\r | |
95 | ||TempParameter == NULL\r | |
96 | ||*TempParameter == NULL\r | |
97 | ){\r | |
98 | return (EFI_INVALID_PARAMETER);\r | |
99 | }\r | |
100 | \r | |
a405b86d | 101 | \r |
102 | //\r | |
103 | // make sure we dont have any leading spaces\r | |
104 | //\r | |
105 | while ((*Walker)[0] == L' ') {\r | |
106 | (*Walker)++;\r | |
107 | }\r | |
108 | \r | |
109 | //\r | |
110 | // make sure we still have some params now...\r | |
111 | //\r | |
112 | if (StrLen(*Walker) == 0) {\r | |
14030c5c JC |
113 | DEBUG_CODE_BEGIN();\r |
114 | *Walker = NULL;\r | |
115 | DEBUG_CODE_END();\r | |
116 | return (EFI_INVALID_PARAMETER);\r | |
a405b86d | 117 | }\r |
118 | \r | |
7cc7022d | 119 | NextDelim = FindEndOfParameter(*Walker);\r |
14030c5c JC |
120 | \r |
121 | if (NextDelim == NULL){\r | |
122 | DEBUG_CODE_BEGIN();\r | |
123 | *Walker = NULL;\r | |
124 | DEBUG_CODE_END();\r | |
125 | return (EFI_NOT_FOUND);\r | |
126 | }\r | |
127 | \r | |
e75390f0 | 128 | StrnCpyS(*TempParameter, Length, (*Walker), NextDelim - *Walker);\r |
14030c5c | 129 | \r |
a405b86d | 130 | //\r |
14030c5c | 131 | // Add a CHAR_NULL if we didnt get one via the copy\r |
a405b86d | 132 | //\r |
14030c5c JC |
133 | if (*NextDelim != CHAR_NULL) {\r |
134 | (*TempParameter)[NextDelim - *Walker] = CHAR_NULL;\r | |
135 | }\r | |
136 | \r | |
14030c5c | 137 | //\r |
7cc7022d | 138 | // Update Walker for the next iteration through the function\r |
14030c5c | 139 | //\r |
7cc7022d | 140 | *Walker = (CHAR16*)NextDelim;\r |
14030c5c JC |
141 | \r |
142 | //\r | |
143 | // Remove any non-escaped quotes in the string\r | |
7cc7022d | 144 | // Remove any remaining escape characters in the string\r |
14030c5c | 145 | //\r |
7cc7022d JC |
146 | for (NextDelim = FindFirstCharacter(*TempParameter, L"\"^", CHAR_NULL) \r |
147 | ; *NextDelim != CHAR_NULL \r | |
148 | ; NextDelim = FindFirstCharacter(NextDelim, L"\"^", CHAR_NULL)\r | |
149 | ) {\r | |
14030c5c | 150 | if (*NextDelim == L'^') {\r |
7cc7022d JC |
151 | \r |
152 | //\r | |
153 | // eliminate the escape ^\r | |
154 | //\r | |
155 | CopyMem ((CHAR16*)NextDelim, NextDelim + 1, StrSize (NextDelim + 1));\r | |
14030c5c | 156 | NextDelim++;\r |
7cc7022d JC |
157 | } else if (*NextDelim == L'\"') {\r |
158 | \r | |
159 | //\r | |
160 | // eliminate the unescaped quote\r | |
161 | //\r | |
162 | CopyMem ((CHAR16*)NextDelim, NextDelim + 1, StrSize (NextDelim + 1));\r | |
a405b86d | 163 | }\r |
164 | }\r | |
14030c5c JC |
165 | \r |
166 | return EFI_SUCCESS;\r | |
a405b86d | 167 | }\r |
168 | \r | |
169 | /**\r | |
733f138d | 170 | Function to populate Argc and Argv.\r |
a405b86d | 171 | \r |
172 | This function parses the CommandLine and divides it into standard C style Argc/Argv\r | |
173 | parameters for inclusion in EFI_SHELL_PARAMETERS_PROTOCOL. this supports space\r | |
174 | delimited and quote surrounded parameter definition.\r | |
175 | \r | |
14030c5c JC |
176 | All special character processing (alias, environment variable, redirection, \r |
177 | etc... must be complete before calling this API.\r | |
178 | \r | |
4ff7e37b ED |
179 | @param[in] CommandLine String of command line to parse\r |
180 | @param[in, out] Argv pointer to array of strings; one for each parameter\r | |
181 | @param[in, out] Argc pointer to number of strings in Argv array\r | |
a405b86d | 182 | \r |
183 | @return EFI_SUCCESS the operation was sucessful\r | |
184 | @return EFI_OUT_OF_RESOURCES a memory allocation failed.\r | |
185 | **/\r | |
186 | EFI_STATUS\r | |
187 | EFIAPI\r | |
188 | ParseCommandLineToArgs(\r | |
189 | IN CONST CHAR16 *CommandLine,\r | |
190 | IN OUT CHAR16 ***Argv,\r | |
191 | IN OUT UINTN *Argc\r | |
192 | )\r | |
193 | {\r | |
194 | UINTN Count;\r | |
195 | CHAR16 *TempParameter;\r | |
196 | CHAR16 *Walker;\r | |
197 | CHAR16 *NewParam;\r | |
198 | UINTN Size;\r | |
199 | \r | |
200 | ASSERT(Argc != NULL);\r | |
201 | ASSERT(Argv != NULL);\r | |
202 | \r | |
203 | if (CommandLine == NULL || StrLen(CommandLine)==0) {\r | |
204 | (*Argc) = 0;\r | |
205 | (*Argv) = NULL;\r | |
206 | return (EFI_SUCCESS);\r | |
207 | }\r | |
208 | \r | |
209 | Size = StrSize(CommandLine);\r | |
210 | TempParameter = AllocateZeroPool(Size);\r | |
211 | if (TempParameter == NULL) {\r | |
212 | return (EFI_OUT_OF_RESOURCES);\r | |
213 | }\r | |
214 | \r | |
215 | for ( Count = 0\r | |
216 | , Walker = (CHAR16*)CommandLine\r | |
217 | ; Walker != NULL && *Walker != CHAR_NULL\r | |
14030c5c JC |
218 | ; Count++\r |
219 | ) {\r | |
220 | if (EFI_ERROR(GetNextParameter(&Walker, &TempParameter, Size))) {\r | |
221 | break;\r | |
222 | }\r | |
223 | }\r | |
a405b86d | 224 | \r |
a405b86d | 225 | //\r |
226 | // lets allocate the pointer array\r | |
227 | //\r | |
228 | (*Argv) = AllocateZeroPool((Count)*sizeof(CHAR16*));\r | |
229 | if (*Argv == NULL) {\r | |
3f869579 | 230 | SHELL_FREE_NON_NULL(TempParameter);\r |
a405b86d | 231 | return (EFI_OUT_OF_RESOURCES);\r |
232 | }\r | |
233 | \r | |
234 | *Argc = 0;\r | |
235 | Walker = (CHAR16*)CommandLine;\r | |
236 | while(Walker != NULL && *Walker != CHAR_NULL) {\r | |
237 | SetMem16(TempParameter, Size, CHAR_NULL);\r | |
14030c5c JC |
238 | if (EFI_ERROR(GetNextParameter(&Walker, &TempParameter, Size))) {\r |
239 | SHELL_FREE_NON_NULL(TempParameter);\r | |
240 | return (EFI_INVALID_PARAMETER);\r | |
241 | }\r | |
242 | \r | |
7f79b01e JC |
243 | NewParam = AllocateCopyPool(StrSize(TempParameter), TempParameter);\r |
244 | if (NewParam == NULL){\r | |
245 | SHELL_FREE_NON_NULL(TempParameter);\r | |
246 | return (EFI_OUT_OF_RESOURCES);\r | |
247 | }\r | |
a405b86d | 248 | ((CHAR16**)(*Argv))[(*Argc)] = NewParam;\r |
249 | (*Argc)++;\r | |
250 | }\r | |
251 | ASSERT(Count >= (*Argc));\r | |
3f869579 | 252 | SHELL_FREE_NON_NULL(TempParameter);\r |
a405b86d | 253 | return (EFI_SUCCESS);\r |
254 | }\r | |
255 | \r | |
256 | /**\r | |
257 | creates a new EFI_SHELL_PARAMETERS_PROTOCOL instance and populates it and then\r | |
258 | installs it on our handle and if there is an existing version of the protocol\r | |
259 | that one is cached for removal later.\r | |
260 | \r | |
4ff7e37b | 261 | @param[in, out] NewShellParameters on a successful return, a pointer to pointer\r |
a405b86d | 262 | to the newly installed interface.\r |
4ff7e37b | 263 | @param[in, out] RootShellInstance on a successful return, pointer to boolean.\r |
a405b86d | 264 | TRUE if this is the root shell instance.\r |
265 | \r | |
266 | @retval EFI_SUCCESS the operation completed successfully.\r | |
267 | @return other the operation failed.\r | |
268 | @sa ReinstallProtocolInterface\r | |
269 | @sa InstallProtocolInterface\r | |
270 | @sa ParseCommandLineToArgs\r | |
271 | **/\r | |
272 | EFI_STATUS\r | |
273 | EFIAPI\r | |
274 | CreatePopulateInstallShellParametersProtocol (\r | |
275 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL **NewShellParameters,\r | |
276 | IN OUT BOOLEAN *RootShellInstance\r | |
277 | )\r | |
278 | {\r | |
279 | EFI_STATUS Status;\r | |
280 | EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;\r | |
281 | CHAR16 *FullCommandLine;\r | |
282 | UINTN Size;\r | |
283 | \r | |
284 | Size = 0;\r | |
285 | FullCommandLine = NULL;\r | |
286 | LoadedImage = NULL;\r | |
287 | \r | |
288 | //\r | |
289 | // Assert for valid parameters\r | |
290 | //\r | |
291 | ASSERT(NewShellParameters != NULL);\r | |
292 | ASSERT(RootShellInstance != NULL);\r | |
293 | \r | |
294 | //\r | |
295 | // See if we have a shell parameters placed on us\r | |
296 | //\r | |
297 | Status = gBS->OpenProtocol (\r | |
298 | gImageHandle,\r | |
299 | &gEfiShellParametersProtocolGuid,\r | |
300 | (VOID **) &ShellInfoObject.OldShellParameters,\r | |
301 | gImageHandle,\r | |
302 | NULL,\r | |
303 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
304 | );\r | |
305 | //\r | |
306 | // if we don't then we must be the root shell (error is expected)\r | |
307 | //\r | |
308 | if (EFI_ERROR (Status)) {\r | |
309 | *RootShellInstance = TRUE;\r | |
310 | }\r | |
311 | \r | |
312 | //\r | |
313 | // Allocate the new structure\r | |
314 | //\r | |
315 | *NewShellParameters = AllocateZeroPool(sizeof(EFI_SHELL_PARAMETERS_PROTOCOL));\r | |
3c865f20 | 316 | if ((*NewShellParameters) == NULL) {\r |
317 | return (EFI_OUT_OF_RESOURCES);\r | |
318 | }\r | |
a405b86d | 319 | \r |
320 | //\r | |
321 | // get loaded image protocol\r | |
322 | //\r | |
323 | Status = gBS->OpenProtocol (\r | |
324 | gImageHandle,\r | |
325 | &gEfiLoadedImageProtocolGuid,\r | |
326 | (VOID **) &LoadedImage,\r | |
327 | gImageHandle,\r | |
328 | NULL,\r | |
329 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
330 | );\r | |
331 | ASSERT_EFI_ERROR(Status);\r | |
332 | //\r | |
333 | // Build the full command line\r | |
334 | //\r | |
e886b675 | 335 | Status = SHELL_GET_ENVIRONMENT_VARIABLE(L"ShellOpt", &Size, FullCommandLine);\r |
a405b86d | 336 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
337 | FullCommandLine = AllocateZeroPool(Size + LoadedImage->LoadOptionsSize);\r | |
e886b675 | 338 | Status = SHELL_GET_ENVIRONMENT_VARIABLE(L"ShellOpt", &Size, FullCommandLine);\r |
a405b86d | 339 | }\r |
340 | if (Status == EFI_NOT_FOUND) {\r | |
341 | //\r | |
342 | // no parameters via environment... ok\r | |
343 | //\r | |
344 | } else {\r | |
3c865f20 | 345 | if (EFI_ERROR(Status)) {\r |
346 | return (Status);\r | |
347 | }\r | |
a405b86d | 348 | }\r |
349 | if (Size == 0 && LoadedImage->LoadOptionsSize != 0) {\r | |
3c865f20 | 350 | ASSERT(FullCommandLine == NULL);\r |
a405b86d | 351 | //\r |
352 | // Now we need to include a NULL terminator in the size.\r | |
353 | //\r | |
354 | Size = LoadedImage->LoadOptionsSize + sizeof(FullCommandLine[0]);\r | |
355 | FullCommandLine = AllocateZeroPool(Size);\r | |
356 | }\r | |
a405b86d | 357 | if (FullCommandLine != NULL) {\r |
2c5a8aed | 358 | CopyMem (FullCommandLine, LoadedImage->LoadOptions, LoadedImage->LoadOptionsSize);\r |
a405b86d | 359 | //\r |
360 | // Populate Argc and Argv\r | |
361 | //\r | |
362 | Status = ParseCommandLineToArgs(FullCommandLine,\r | |
363 | &(*NewShellParameters)->Argv,\r | |
364 | &(*NewShellParameters)->Argc);\r | |
365 | \r | |
366 | FreePool(FullCommandLine);\r | |
367 | \r | |
368 | ASSERT_EFI_ERROR(Status);\r | |
369 | } else {\r | |
370 | (*NewShellParameters)->Argv = NULL;\r | |
371 | (*NewShellParameters)->Argc = 0;\r | |
372 | }\r | |
373 | \r | |
374 | //\r | |
375 | // Populate the 3 faked file systems...\r | |
376 | //\r | |
377 | if (*RootShellInstance) {\r | |
378 | (*NewShellParameters)->StdIn = &FileInterfaceStdIn;\r | |
379 | (*NewShellParameters)->StdOut = &FileInterfaceStdOut;\r | |
380 | (*NewShellParameters)->StdErr = &FileInterfaceStdErr;\r | |
381 | Status = gBS->InstallProtocolInterface(&gImageHandle,\r | |
382 | &gEfiShellParametersProtocolGuid,\r | |
383 | EFI_NATIVE_INTERFACE,\r | |
384 | (VOID*)(*NewShellParameters));\r | |
385 | } else {\r | |
386 | //\r | |
387 | // copy from the existing ones\r | |
388 | //\r | |
389 | (*NewShellParameters)->StdIn = ShellInfoObject.OldShellParameters->StdIn;\r | |
390 | (*NewShellParameters)->StdOut = ShellInfoObject.OldShellParameters->StdOut;\r | |
391 | (*NewShellParameters)->StdErr = ShellInfoObject.OldShellParameters->StdErr;\r | |
392 | Status = gBS->ReinstallProtocolInterface(gImageHandle,\r | |
393 | &gEfiShellParametersProtocolGuid,\r | |
394 | (VOID*)ShellInfoObject.OldShellParameters,\r | |
395 | (VOID*)(*NewShellParameters));\r | |
396 | }\r | |
397 | \r | |
398 | return (Status);\r | |
399 | }\r | |
400 | \r | |
401 | /**\r | |
402 | frees all memory used by createion and installation of shell parameters protocol\r | |
403 | and if there was an old version installed it will restore that one.\r | |
404 | \r | |
405 | @param NewShellParameters the interface of EFI_SHELL_PARAMETERS_PROTOCOL that is\r | |
406 | being cleaned up.\r | |
407 | \r | |
408 | @retval EFI_SUCCESS the cleanup was successful\r | |
409 | @return other the cleanup failed\r | |
410 | @sa ReinstallProtocolInterface\r | |
411 | @sa UninstallProtocolInterface\r | |
412 | **/\r | |
413 | EFI_STATUS\r | |
414 | EFIAPI\r | |
415 | CleanUpShellParametersProtocol (\r | |
416 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *NewShellParameters\r | |
417 | )\r | |
418 | {\r | |
419 | EFI_STATUS Status;\r | |
420 | UINTN LoopCounter;\r | |
421 | \r | |
422 | //\r | |
423 | // If the old exists we need to restore it\r | |
424 | //\r | |
425 | if (ShellInfoObject.OldShellParameters != NULL) {\r | |
426 | Status = gBS->ReinstallProtocolInterface(gImageHandle,\r | |
427 | &gEfiShellParametersProtocolGuid,\r | |
428 | (VOID*)NewShellParameters,\r | |
429 | (VOID*)ShellInfoObject.OldShellParameters);\r | |
430 | DEBUG_CODE(ShellInfoObject.OldShellParameters = NULL;);\r | |
431 | } else {\r | |
432 | //\r | |
433 | // No old one, just uninstall us...\r | |
434 | //\r | |
435 | Status = gBS->UninstallProtocolInterface(gImageHandle,\r | |
436 | &gEfiShellParametersProtocolGuid,\r | |
437 | (VOID*)NewShellParameters);\r | |
438 | }\r | |
439 | if (NewShellParameters->Argv != NULL) {\r | |
440 | for ( LoopCounter = 0\r | |
441 | ; LoopCounter < NewShellParameters->Argc\r | |
442 | ; LoopCounter++\r | |
443 | ){\r | |
444 | FreePool(NewShellParameters->Argv[LoopCounter]);\r | |
445 | }\r | |
446 | FreePool(NewShellParameters->Argv);\r | |
447 | }\r | |
448 | FreePool(NewShellParameters);\r | |
449 | return (Status);\r | |
450 | }\r | |
451 | \r | |
ae724571 | 452 | /**\r |
453 | Determin if a file name represents a unicode file.\r | |
454 | \r | |
455 | @param[in] FileName Pointer to the filename to open.\r | |
456 | \r | |
457 | @retval EFI_SUCCESS The file is a unicode file.\r | |
458 | @return An error upon failure.\r | |
459 | **/\r | |
733f138d | 460 | EFI_STATUS\r |
461 | EFIAPI\r | |
462 | IsUnicodeFile(\r | |
463 | IN CONST CHAR16 *FileName\r | |
464 | )\r | |
465 | {\r | |
466 | SHELL_FILE_HANDLE Handle;\r | |
467 | EFI_STATUS Status;\r | |
468 | UINT64 OriginalFilePosition;\r | |
469 | UINTN CharSize;\r | |
470 | CHAR16 CharBuffer;\r | |
471 | \r | |
472 | Status = gEfiShellProtocol->OpenFileByName(FileName, &Handle, EFI_FILE_MODE_READ);\r | |
473 | if (EFI_ERROR(Status)) {\r | |
474 | return (Status);\r | |
475 | }\r | |
476 | gEfiShellProtocol->GetFilePosition(Handle, &OriginalFilePosition);\r | |
477 | gEfiShellProtocol->SetFilePosition(Handle, 0);\r | |
478 | CharSize = sizeof(CHAR16);\r | |
479 | Status = gEfiShellProtocol->ReadFile(Handle, &CharSize, &CharBuffer);\r | |
480 | if (EFI_ERROR(Status) || CharBuffer != gUnicodeFileTag) {\r | |
481 | Status = EFI_BUFFER_TOO_SMALL;\r | |
482 | }\r | |
483 | gEfiShellProtocol->SetFilePosition(Handle, OriginalFilePosition);\r | |
484 | gEfiShellProtocol->CloseFile(Handle);\r | |
485 | return (Status); \r | |
486 | }\r | |
487 | \r | |
fb84495a | 488 | /**\r |
489 | Strips out quotes sections of a string.\r | |
490 | \r | |
491 | All of the characters between quotes is replaced with spaces.\r | |
a1d4bfcc | 492 | \r |
4ff7e37b | 493 | @param[in, out] TheString A pointer to the string to update.\r |
fb84495a | 494 | **/\r |
495 | VOID\r | |
496 | EFIAPI\r | |
497 | StripQuotes (\r | |
498 | IN OUT CHAR16 *TheString\r | |
499 | )\r | |
500 | {\r | |
501 | BOOLEAN RemoveNow;\r | |
502 | \r | |
503 | for (RemoveNow = FALSE ; TheString != NULL && *TheString != CHAR_NULL ; TheString++) {\r | |
504 | if (*TheString == L'^' && *(TheString + 1) == L'\"') {\r | |
505 | TheString++;\r | |
506 | } else if (*TheString == L'\"') {\r | |
507 | RemoveNow = (BOOLEAN)!RemoveNow;\r | |
508 | } else if (RemoveNow) {\r | |
509 | *TheString = L' ';\r | |
510 | }\r | |
511 | }\r | |
512 | }\r | |
513 | \r | |
cf6a8f14 | 514 | /**\r |
515 | Calcualte the 32-bit CRC in a EFI table using the service provided by the\r | |
516 | gRuntime service.\r | |
517 | \r | |
518 | @param Hdr Pointer to an EFI standard header\r | |
519 | \r | |
520 | **/\r | |
521 | VOID\r | |
522 | CalculateEfiHdrCrc (\r | |
523 | IN OUT EFI_TABLE_HEADER *Hdr\r | |
524 | )\r | |
525 | {\r | |
526 | UINT32 Crc;\r | |
527 | \r | |
528 | Hdr->CRC32 = 0;\r | |
529 | \r | |
530 | //\r | |
531 | // If gBS->CalculateCrce32 () == CoreEfiNotAvailableYet () then\r | |
532 | // Crc will come back as zero if we set it to zero here\r | |
533 | //\r | |
534 | Crc = 0;\r | |
535 | gBS->CalculateCrc32 ((UINT8 *)Hdr, Hdr->HeaderSize, &Crc);\r | |
536 | Hdr->CRC32 = Crc;\r | |
537 | }\r | |
538 | \r | |
031acf63 | 539 | /**\r |
540 | Fix a string to only have the file name, removing starting at the first space of whatever is quoted.\r | |
541 | \r | |
542 | @param[in] FileName The filename to start with.\r | |
543 | \r | |
544 | @retval NULL FileName was invalid.\r | |
545 | @return The modified FileName.\r | |
546 | **/\r | |
547 | CHAR16*\r | |
548 | EFIAPI\r | |
549 | FixFileName (\r | |
550 | IN CHAR16 *FileName\r | |
551 | )\r | |
552 | {\r | |
553 | CHAR16 *Copy;\r | |
554 | CHAR16 *TempLocation;\r | |
555 | \r | |
556 | if (FileName == NULL) {\r | |
557 | return (NULL);\r | |
558 | }\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 | } else {\r | |
566 | Copy = FileName;\r | |
f9aefb6a | 567 | while(Copy[0] == L' ') {\r |
568 | Copy++;\r | |
569 | }\r | |
031acf63 | 570 | if ((TempLocation = StrStr(Copy , L" ")) != NULL) {\r |
571 | TempLocation[0] = CHAR_NULL;\r | |
572 | } \r | |
573 | }\r | |
574 | \r | |
575 | if (Copy[0] == CHAR_NULL) {\r | |
576 | return (NULL);\r | |
577 | }\r | |
578 | \r | |
579 | return (Copy);\r | |
580 | }\r | |
581 | \r | |
6813ba40 JC |
582 | /**\r |
583 | 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 | |
584 | \r | |
585 | @param[in] FileName The filename to start with.\r | |
586 | \r | |
587 | @retval NULL FileName was invalid.\r | |
588 | @return The modified FileName.\r | |
589 | **/\r | |
590 | CHAR16*\r | |
591 | EFIAPI\r | |
592 | FixVarName (\r | |
593 | IN CHAR16 *FileName\r | |
594 | )\r | |
595 | {\r | |
596 | CHAR16 *Copy;\r | |
597 | CHAR16 *TempLocation;\r | |
598 | \r | |
599 | Copy = FileName;\r | |
600 | \r | |
601 | if (FileName[0] == L'%') {\r | |
602 | Copy = FileName+1;\r | |
603 | if ((TempLocation = StrStr(Copy , L"%")) != NULL) {\r | |
604 | TempLocation[0] = CHAR_NULL;\r | |
605 | } \r | |
606 | }\r | |
607 | \r | |
608 | return (FixFileName(Copy));\r | |
609 | }\r | |
610 | \r | |
49bb76ff JC |
611 | /**\r |
612 | Remove the unicode file tag from the begining of the file buffer since that will not be\r | |
613 | used by StdIn.\r | |
f614ce7e SQ |
614 | \r |
615 | @param[in] Handle Pointer to the handle of the file to be processed.\r | |
616 | \r | |
617 | @retval EFI_SUCCESS The unicode file tag has been moved successfully.\r | |
49bb76ff JC |
618 | **/\r |
619 | EFI_STATUS\r | |
620 | EFIAPI\r | |
621 | RemoveFileTag(\r | |
622 | IN SHELL_FILE_HANDLE *Handle\r | |
623 | )\r | |
624 | {\r | |
625 | UINTN CharSize;\r | |
626 | CHAR16 CharBuffer;\r | |
627 | \r | |
628 | CharSize = sizeof(CHAR16);\r | |
629 | CharBuffer = 0;\r | |
630 | gEfiShellProtocol->ReadFile(*Handle, &CharSize, &CharBuffer);\r | |
631 | if (CharBuffer != gUnicodeFileTag) {\r | |
632 | gEfiShellProtocol->SetFilePosition(*Handle, 0);\r | |
633 | }\r | |
634 | return (EFI_SUCCESS);\r | |
635 | }\r | |
636 | \r | |
94c2a044 LE |
637 | /**\r |
638 | Write the unicode file tag to the specified file.\r | |
639 | \r | |
640 | It is the caller's responsibility to ensure that\r | |
641 | ShellInfoObject.NewEfiShellProtocol has been initialized before calling this\r | |
642 | function.\r | |
643 | \r | |
644 | @param[in] FileHandle The file to write the unicode file tag to.\r | |
645 | \r | |
646 | @return Status code from ShellInfoObject.NewEfiShellProtocol->WriteFile.\r | |
647 | **/\r | |
94c2a044 LE |
648 | EFI_STATUS\r |
649 | WriteFileTag (\r | |
650 | IN SHELL_FILE_HANDLE FileHandle\r | |
651 | )\r | |
652 | {\r | |
653 | CHAR16 FileTag;\r | |
654 | UINTN Size;\r | |
655 | EFI_STATUS Status;\r | |
656 | \r | |
657 | FileTag = gUnicodeFileTag;\r | |
658 | Size = sizeof FileTag;\r | |
659 | Status = ShellInfoObject.NewEfiShellProtocol->WriteFile (FileHandle, &Size,\r | |
660 | &FileTag);\r | |
661 | ASSERT (EFI_ERROR (Status) || Size == sizeof FileTag);\r | |
662 | return Status;\r | |
663 | }\r | |
664 | \r | |
665 | \r | |
a405b86d | 666 | /**\r |
667 | Funcion will replace the current StdIn and StdOut in the ShellParameters protocol\r | |
668 | structure by parsing NewCommandLine. The current values are returned to the\r | |
669 | user.\r | |
670 | \r | |
8be0ba36 | 671 | This will also update the system table.\r |
a405b86d | 672 | \r |
4ff7e37b ED |
673 | @param[in, out] ShellParameters Pointer to parameter structure to modify.\r |
674 | @param[in] NewCommandLine The new command line to parse and use.\r | |
675 | @param[out] OldStdIn Pointer to old StdIn.\r | |
676 | @param[out] OldStdOut Pointer to old StdOut.\r | |
677 | @param[out] OldStdErr Pointer to old StdErr.\r | |
678 | @param[out] SystemTableInfo Pointer to old system table information.\r | |
a405b86d | 679 | \r |
680 | @retval EFI_SUCCESS Operation was sucessful, Argv and Argc are valid.\r | |
681 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
682 | **/\r | |
683 | EFI_STATUS\r | |
684 | EFIAPI\r | |
685 | UpdateStdInStdOutStdErr(\r | |
686 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *ShellParameters,\r | |
fb84495a | 687 | IN CHAR16 *NewCommandLine,\r |
a405b86d | 688 | OUT SHELL_FILE_HANDLE *OldStdIn,\r |
689 | OUT SHELL_FILE_HANDLE *OldStdOut,\r | |
8be0ba36 | 690 | OUT SHELL_FILE_HANDLE *OldStdErr,\r |
691 | OUT SYSTEM_TABLE_INFO *SystemTableInfo\r | |
a405b86d | 692 | )\r |
693 | {\r | |
694 | CHAR16 *CommandLineCopy;\r | |
695 | CHAR16 *CommandLineWalker;\r | |
696 | CHAR16 *StdErrFileName;\r | |
697 | CHAR16 *StdOutFileName;\r | |
698 | CHAR16 *StdInFileName;\r | |
699 | CHAR16 *StdInVarName;\r | |
700 | CHAR16 *StdOutVarName;\r | |
701 | CHAR16 *StdErrVarName;\r | |
702 | EFI_STATUS Status;\r | |
703 | SHELL_FILE_HANDLE TempHandle;\r | |
704 | UINT64 FileSize;\r | |
705 | BOOLEAN OutUnicode;\r | |
706 | BOOLEAN InUnicode;\r | |
707 | BOOLEAN ErrUnicode;\r | |
708 | BOOLEAN OutAppend;\r | |
709 | BOOLEAN ErrAppend;\r | |
710 | UINTN Size;\r | |
a405b86d | 711 | SPLIT_LIST *Split;\r |
fb84495a | 712 | CHAR16 *FirstLocation;\r |
a405b86d | 713 | \r |
a405b86d | 714 | OutUnicode = TRUE;\r |
715 | InUnicode = TRUE;\r | |
716 | ErrUnicode = TRUE;\r | |
717 | StdInVarName = NULL;\r | |
718 | StdOutVarName = NULL;\r | |
719 | StdErrVarName = NULL;\r | |
720 | StdErrFileName = NULL;\r | |
721 | StdInFileName = NULL;\r | |
722 | StdOutFileName = NULL;\r | |
723 | ErrAppend = FALSE;\r | |
724 | OutAppend = FALSE;\r | |
725 | CommandLineCopy = NULL;\r | |
5f2915f5 | 726 | FirstLocation = NULL;\r |
a405b86d | 727 | \r |
8be0ba36 | 728 | if (ShellParameters == NULL || SystemTableInfo == NULL || OldStdIn == NULL || OldStdOut == NULL || OldStdErr == NULL) {\r |
729 | return (EFI_INVALID_PARAMETER);\r | |
a405b86d | 730 | }\r |
731 | \r | |
8be0ba36 | 732 | SystemTableInfo->ConIn = gST->ConIn;\r |
733 | SystemTableInfo->ConInHandle = gST->ConsoleInHandle;\r | |
734 | SystemTableInfo->ConOut = gST->ConOut;\r | |
735 | SystemTableInfo->ConOutHandle = gST->ConsoleOutHandle;\r | |
4ccd9214 ED |
736 | SystemTableInfo->ErrOut = gST->StdErr;\r |
737 | SystemTableInfo->ErrOutHandle = gST->StandardErrorHandle;\r | |
8be0ba36 | 738 | *OldStdIn = ShellParameters->StdIn;\r |
739 | *OldStdOut = ShellParameters->StdOut;\r | |
740 | *OldStdErr = ShellParameters->StdErr;\r | |
741 | \r | |
a405b86d | 742 | if (NewCommandLine == NULL) {\r |
743 | return (EFI_SUCCESS);\r | |
744 | }\r | |
745 | \r | |
746 | CommandLineCopy = StrnCatGrow(&CommandLineCopy, NULL, NewCommandLine, 0);\r | |
532691c8 | 747 | if (CommandLineCopy == NULL) {\r |
748 | return (EFI_OUT_OF_RESOURCES);\r | |
749 | }\r | |
a405b86d | 750 | Status = EFI_SUCCESS;\r |
751 | Split = NULL;\r | |
5f2915f5 | 752 | FirstLocation = CommandLineCopy + StrLen(CommandLineCopy);\r |
a405b86d | 753 | \r |
fb84495a | 754 | StripQuotes(CommandLineCopy);\r |
755 | \r | |
a405b86d | 756 | if (!IsListEmpty(&ShellInfoObject.SplitList.Link)) {\r |
757 | Split = (SPLIT_LIST*)GetFirstNode(&ShellInfoObject.SplitList.Link);\r | |
758 | if (Split != NULL && Split->SplitStdIn != NULL) {\r | |
759 | ShellParameters->StdIn = Split->SplitStdIn;\r | |
760 | }\r | |
761 | if (Split != NULL && Split->SplitStdOut != NULL) {\r | |
762 | ShellParameters->StdOut = Split->SplitStdOut;\r | |
763 | }\r | |
764 | }\r | |
765 | \r | |
766 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2>>v ")) != NULL) {\r | |
fb84495a | 767 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 768 | SetMem16(CommandLineWalker, 12, L' ');\r |
a405b86d | 769 | StdErrVarName = CommandLineWalker += 6;\r |
770 | ErrAppend = TRUE;\r | |
733f138d | 771 | if (StrStr(CommandLineWalker, L" 2>>v ") != NULL) {\r |
772 | Status = EFI_NOT_FOUND;\r | |
773 | }\r | |
a405b86d | 774 | }\r |
775 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>>v ")) != NULL) {\r | |
fb84495a | 776 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 777 | SetMem16(CommandLineWalker, 12, L' ');\r |
a405b86d | 778 | StdOutVarName = CommandLineWalker += 6;\r |
779 | OutAppend = TRUE;\r | |
733f138d | 780 | if (StrStr(CommandLineWalker, L" 1>>v ") != NULL) {\r |
781 | Status = EFI_NOT_FOUND;\r | |
782 | }\r | |
a405b86d | 783 | } else if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >>v ")) != NULL) {\r |
fb84495a | 784 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 785 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 786 | StdOutVarName = CommandLineWalker += 5;\r |
787 | OutAppend = TRUE;\r | |
733f138d | 788 | if (StrStr(CommandLineWalker, L" >>v ") != NULL) {\r |
789 | Status = EFI_NOT_FOUND;\r | |
790 | }\r | |
a405b86d | 791 | } else if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >v ")) != NULL) {\r |
fb84495a | 792 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 793 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 794 | StdOutVarName = CommandLineWalker += 4;\r |
795 | OutAppend = FALSE;\r | |
733f138d | 796 | if (StrStr(CommandLineWalker, L" >v ") != NULL) {\r |
797 | Status = EFI_NOT_FOUND;\r | |
798 | }\r | |
a405b86d | 799 | }\r |
800 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>>a ")) != NULL) {\r | |
fb84495a | 801 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 802 | SetMem16(CommandLineWalker, 12, L' ');\r |
a405b86d | 803 | StdOutFileName = CommandLineWalker += 6;\r |
804 | OutAppend = TRUE;\r | |
805 | OutUnicode = FALSE;\r | |
733f138d | 806 | if (StrStr(CommandLineWalker, L" 1>>a ") != NULL) {\r |
807 | Status = EFI_NOT_FOUND;\r | |
808 | }\r | |
a405b86d | 809 | }\r |
810 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>> ")) != NULL) {\r | |
fb84495a | 811 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 812 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 813 | if (StdOutFileName != NULL) {\r |
814 | Status = EFI_INVALID_PARAMETER;\r | |
815 | } else {\r | |
816 | StdOutFileName = CommandLineWalker += 5;\r | |
817 | OutAppend = TRUE;\r | |
818 | }\r | |
733f138d | 819 | if (StrStr(CommandLineWalker, L" 1>> ") != NULL) {\r |
820 | Status = EFI_NOT_FOUND;\r | |
821 | }\r | |
a405b86d | 822 | } \r |
823 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >> ")) != NULL) {\r | |
fb84495a | 824 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 825 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 826 | if (StdOutFileName != NULL) {\r |
827 | Status = EFI_INVALID_PARAMETER;\r | |
828 | } else {\r | |
829 | StdOutFileName = CommandLineWalker += 4;\r | |
830 | OutAppend = TRUE;\r | |
831 | }\r | |
733f138d | 832 | if (StrStr(CommandLineWalker, L" >> ") != NULL) {\r |
833 | Status = EFI_NOT_FOUND;\r | |
834 | }\r | |
a405b86d | 835 | }\r |
836 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >>a ")) != NULL) {\r | |
fb84495a | 837 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 838 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 839 | if (StdOutFileName != NULL) {\r |
840 | Status = EFI_INVALID_PARAMETER;\r | |
841 | } else {\r | |
842 | StdOutFileName = CommandLineWalker += 5;\r | |
843 | OutAppend = TRUE;\r | |
844 | OutUnicode = FALSE;\r | |
845 | }\r | |
733f138d | 846 | if (StrStr(CommandLineWalker, L" >>a ") != NULL) {\r |
847 | Status = EFI_NOT_FOUND;\r | |
848 | }\r | |
a405b86d | 849 | } \r |
850 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>a ")) != NULL) {\r | |
fb84495a | 851 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 852 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 853 | if (StdOutFileName != NULL) {\r |
854 | Status = EFI_INVALID_PARAMETER;\r | |
855 | } else {\r | |
856 | StdOutFileName = CommandLineWalker += 5;\r | |
857 | OutAppend = FALSE;\r | |
858 | OutUnicode = FALSE;\r | |
859 | }\r | |
733f138d | 860 | if (StrStr(CommandLineWalker, L" 1>a ") != NULL) {\r |
861 | Status = EFI_NOT_FOUND;\r | |
862 | }\r | |
a405b86d | 863 | } \r |
864 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >a ")) != NULL) {\r | |
fb84495a | 865 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 866 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 867 | if (StdOutFileName != NULL) {\r |
868 | Status = EFI_INVALID_PARAMETER;\r | |
869 | } else {\r | |
870 | StdOutFileName = CommandLineWalker += 4;\r | |
871 | OutAppend = FALSE;\r | |
872 | OutUnicode = FALSE;\r | |
873 | }\r | |
733f138d | 874 | if (StrStr(CommandLineWalker, L" >a ") != NULL) {\r |
875 | Status = EFI_NOT_FOUND;\r | |
876 | }\r | |
a405b86d | 877 | }\r |
878 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2>> ")) != NULL) {\r | |
fb84495a | 879 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 880 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 881 | if (StdErrFileName != NULL) {\r |
882 | Status = EFI_INVALID_PARAMETER;\r | |
883 | } else {\r | |
884 | StdErrFileName = CommandLineWalker += 5;\r | |
885 | ErrAppend = TRUE;\r | |
886 | }\r | |
733f138d | 887 | if (StrStr(CommandLineWalker, L" 2>> ") != NULL) {\r |
888 | Status = EFI_NOT_FOUND;\r | |
889 | }\r | |
a405b86d | 890 | }\r |
891 | \r | |
892 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2>v ")) != NULL) {\r | |
fb84495a | 893 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 894 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 895 | if (StdErrVarName != NULL) {\r |
896 | Status = EFI_INVALID_PARAMETER;\r | |
897 | } else {\r | |
898 | StdErrVarName = CommandLineWalker += 5;\r | |
899 | ErrAppend = FALSE;\r | |
900 | }\r | |
733f138d | 901 | if (StrStr(CommandLineWalker, L" 2>v ") != NULL) {\r |
902 | Status = EFI_NOT_FOUND;\r | |
903 | }\r | |
a405b86d | 904 | }\r |
905 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>v ")) != NULL) {\r | |
fb84495a | 906 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 907 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 908 | if (StdOutVarName != NULL) {\r |
909 | Status = EFI_INVALID_PARAMETER;\r | |
910 | } else {\r | |
911 | StdOutVarName = CommandLineWalker += 5;\r | |
912 | OutAppend = FALSE;\r | |
913 | }\r | |
733f138d | 914 | if (StrStr(CommandLineWalker, L" 1>v ") != NULL) {\r |
915 | Status = EFI_NOT_FOUND;\r | |
916 | }\r | |
a405b86d | 917 | }\r |
918 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2>a ")) != NULL) {\r | |
fb84495a | 919 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 920 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 921 | if (StdErrFileName != NULL) {\r |
922 | Status = EFI_INVALID_PARAMETER;\r | |
923 | } else {\r | |
924 | StdErrFileName = CommandLineWalker += 5;\r | |
925 | ErrAppend = FALSE;\r | |
926 | ErrUnicode = FALSE;\r | |
927 | }\r | |
733f138d | 928 | if (StrStr(CommandLineWalker, L" 2>a ") != NULL) {\r |
929 | Status = EFI_NOT_FOUND;\r | |
930 | }\r | |
a405b86d | 931 | }\r |
932 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2> ")) != NULL) {\r | |
fb84495a | 933 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 934 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 935 | if (StdErrFileName != NULL) {\r |
936 | Status = EFI_INVALID_PARAMETER;\r | |
937 | } else {\r | |
938 | StdErrFileName = CommandLineWalker += 4;\r | |
939 | ErrAppend = FALSE;\r | |
940 | }\r | |
733f138d | 941 | if (StrStr(CommandLineWalker, L" 2> ") != NULL) {\r |
942 | Status = EFI_NOT_FOUND;\r | |
943 | }\r | |
a405b86d | 944 | }\r |
945 | \r | |
946 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1> ")) != NULL) {\r | |
fb84495a | 947 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 948 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 949 | if (StdOutFileName != NULL) {\r |
950 | Status = EFI_INVALID_PARAMETER;\r | |
951 | } else {\r | |
952 | StdOutFileName = CommandLineWalker += 4;\r | |
953 | OutAppend = FALSE;\r | |
954 | }\r | |
733f138d | 955 | if (StrStr(CommandLineWalker, L" 1> ") != NULL) {\r |
956 | Status = EFI_NOT_FOUND;\r | |
957 | }\r | |
a405b86d | 958 | }\r |
959 | \r | |
960 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" > ")) != NULL) {\r | |
fb84495a | 961 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 962 | SetMem16(CommandLineWalker, 6, L' ');\r |
a405b86d | 963 | if (StdOutFileName != NULL) {\r |
964 | Status = EFI_INVALID_PARAMETER;\r | |
965 | } else {\r | |
966 | StdOutFileName = CommandLineWalker += 3;\r | |
967 | OutAppend = FALSE;\r | |
968 | }\r | |
733f138d | 969 | if (StrStr(CommandLineWalker, L" > ") != NULL) {\r |
970 | Status = EFI_NOT_FOUND;\r | |
971 | }\r | |
a405b86d | 972 | }\r |
973 | \r | |
974 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" < ")) != NULL) {\r | |
fb84495a | 975 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 976 | SetMem16(CommandLineWalker, 6, L' ');\r |
a405b86d | 977 | if (StdInFileName != NULL) {\r |
978 | Status = EFI_INVALID_PARAMETER;\r | |
979 | } else {\r | |
980 | StdInFileName = CommandLineWalker += 3;\r | |
733f138d | 981 | }\r |
982 | if (StrStr(CommandLineWalker, L" < ") != NULL) {\r | |
983 | Status = EFI_NOT_FOUND;\r | |
a405b86d | 984 | }\r |
985 | }\r | |
986 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" <a ")) != NULL) {\r | |
fb84495a | 987 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 988 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 989 | if (StdInFileName != NULL) {\r |
990 | Status = EFI_INVALID_PARAMETER;\r | |
991 | } else {\r | |
733f138d | 992 | StdInFileName = CommandLineWalker += 4;\r |
993 | InUnicode = FALSE;\r | |
994 | }\r | |
995 | if (StrStr(CommandLineWalker, L" <a ") != NULL) {\r | |
996 | Status = EFI_NOT_FOUND;\r | |
a405b86d | 997 | }\r |
998 | }\r | |
999 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" <v ")) != NULL) {\r | |
fb84495a | 1000 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 1001 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 1002 | if (StdInVarName != NULL) {\r |
1003 | Status = EFI_INVALID_PARAMETER;\r | |
1004 | } else {\r | |
1005 | StdInVarName = CommandLineWalker += 4;\r | |
733f138d | 1006 | }\r |
1007 | if (StrStr(CommandLineWalker, L" <v ") != NULL) {\r | |
1008 | Status = EFI_NOT_FOUND;\r | |
a405b86d | 1009 | }\r |
1010 | }\r | |
1011 | \r | |
031acf63 | 1012 | //\r |
1013 | // re-populate the string to support any filenames that were in quotes.\r | |
1014 | //\r | |
e75390f0 | 1015 | StrnCpyS(CommandLineCopy, StrSize(CommandLineCopy)/sizeof(CHAR16), NewCommandLine, StrLen(NewCommandLine));\r |
031acf63 | 1016 | \r |
5f2915f5 | 1017 | if (FirstLocation != CommandLineCopy + StrLen(CommandLineCopy)\r |
fb84495a | 1018 | && ((UINTN)(FirstLocation - CommandLineCopy) < StrLen(NewCommandLine))\r |
1019 | ){\r | |
1020 | *(NewCommandLine + (UINTN)(FirstLocation - CommandLineCopy)) = CHAR_NULL;\r | |
1021 | }\r | |
1022 | \r | |
a405b86d | 1023 | if (!EFI_ERROR(Status)) {\r |
031acf63 | 1024 | \r |
1025 | if (StdErrFileName != NULL) {\r | |
1026 | if ((StdErrFileName = FixFileName(StdErrFileName)) == NULL) {\r | |
1027 | Status = EFI_INVALID_PARAMETER;\r | |
1028 | }\r | |
a405b86d | 1029 | }\r |
031acf63 | 1030 | if (StdOutFileName != NULL) {\r |
1031 | if ((StdOutFileName = FixFileName(StdOutFileName)) == NULL) {\r | |
1032 | Status = EFI_INVALID_PARAMETER;\r | |
1033 | }\r | |
a405b86d | 1034 | }\r |
031acf63 | 1035 | if (StdInFileName != NULL) {\r |
1036 | if ((StdInFileName = FixFileName(StdInFileName)) == NULL) {\r | |
1037 | Status = EFI_INVALID_PARAMETER;\r | |
1038 | }\r | |
a405b86d | 1039 | }\r |
031acf63 | 1040 | if (StdErrVarName != NULL) {\r |
6813ba40 | 1041 | if ((StdErrVarName = FixVarName(StdErrVarName)) == NULL) {\r |
031acf63 | 1042 | Status = EFI_INVALID_PARAMETER;\r |
1043 | }\r | |
a405b86d | 1044 | }\r |
031acf63 | 1045 | if (StdOutVarName != NULL) {\r |
6813ba40 | 1046 | if ((StdOutVarName = FixVarName(StdOutVarName)) == NULL) {\r |
031acf63 | 1047 | Status = EFI_INVALID_PARAMETER;\r |
1048 | }\r | |
a405b86d | 1049 | }\r |
031acf63 | 1050 | if (StdInVarName != NULL) {\r |
6813ba40 | 1051 | if ((StdInVarName = FixVarName(StdInVarName)) == NULL) {\r |
031acf63 | 1052 | Status = EFI_INVALID_PARAMETER;\r |
1053 | }\r | |
a405b86d | 1054 | }\r |
1055 | \r | |
0c956e0d | 1056 | //\r |
1057 | // Verify not the same and not duplicating something from a split\r | |
1058 | //\r | |
733f138d | 1059 | if (\r |
1060 | //\r | |
1061 | // Check that no 2 filenames are the same\r | |
1062 | //\r | |
fb84495a | 1063 | (StdErrFileName != NULL && StdOutFileName!= NULL && StringNoCaseCompare(&StdErrFileName, &StdOutFileName) == 0)\r |
a405b86d | 1064 | ||(StdErrFileName != NULL && StdInFileName != NULL && StringNoCaseCompare(&StdErrFileName, &StdInFileName ) == 0)\r |
1065 | ||(StdOutFileName != NULL && StdInFileName != NULL && StringNoCaseCompare(&StdOutFileName, &StdInFileName ) == 0)\r | |
733f138d | 1066 | //\r |
1067 | // Check that no 2 variable names are the same\r | |
1068 | //\r | |
a405b86d | 1069 | ||(StdErrVarName != NULL && StdInVarName != NULL && StringNoCaseCompare(&StdErrVarName , &StdInVarName ) == 0)\r |
1070 | ||(StdOutVarName != NULL && StdInVarName != NULL && StringNoCaseCompare(&StdOutVarName , &StdInVarName ) == 0)\r | |
1071 | ||(StdErrVarName != NULL && StdOutVarName != NULL && StringNoCaseCompare(&StdErrVarName , &StdOutVarName ) == 0)\r | |
733f138d | 1072 | //\r |
1073 | // When a split (using | operator) is in place some are not allowed\r | |
1074 | //\r | |
a405b86d | 1075 | ||(Split != NULL && Split->SplitStdIn != NULL && (StdInVarName != NULL || StdInFileName != NULL))\r |
1076 | ||(Split != NULL && Split->SplitStdOut != NULL && (StdOutVarName != NULL || StdOutFileName != NULL))\r | |
733f138d | 1077 | //\r |
1078 | // Check that nothing is trying to be output to 2 locations.\r | |
1079 | //\r | |
a405b86d | 1080 | ||(StdErrFileName != NULL && StdErrVarName != NULL)\r |
1081 | ||(StdOutFileName != NULL && StdOutVarName != NULL)\r | |
1082 | ||(StdInFileName != NULL && StdInVarName != NULL)\r | |
733f138d | 1083 | //\r |
733f138d | 1084 | // Check for no volatile environment variables\r |
1085 | //\r | |
a405b86d | 1086 | ||(StdErrVarName != NULL && !IsVolatileEnv(StdErrVarName))\r |
1087 | ||(StdOutVarName != NULL && !IsVolatileEnv(StdOutVarName))\r | |
733f138d | 1088 | //\r |
1089 | // Cant redirect during a reconnect operation.\r | |
1090 | //\r | |
3c865f20 | 1091 | ||(StrStr(NewCommandLine, L"connect -r") != NULL \r |
1092 | && (StdOutVarName != NULL || StdOutFileName != NULL || StdErrFileName != NULL || StdErrVarName != NULL))\r | |
733f138d | 1093 | //\r |
1094 | // Check that filetypes (Unicode/Ascii) do not change during an append\r | |
1095 | //\r | |
1096 | ||(StdOutFileName != NULL && OutUnicode && OutAppend && (!EFI_ERROR(ShellFileExists(StdOutFileName)) && EFI_ERROR(IsUnicodeFile(StdOutFileName))))\r | |
1097 | ||(StdErrFileName != NULL && ErrUnicode && ErrAppend && (!EFI_ERROR(ShellFileExists(StdErrFileName)) && EFI_ERROR(IsUnicodeFile(StdErrFileName))))\r | |
1098 | ||(StdOutFileName != NULL && !OutUnicode && OutAppend && (!EFI_ERROR(ShellFileExists(StdOutFileName)) && !EFI_ERROR(IsUnicodeFile(StdOutFileName))))\r | |
1099 | ||(StdErrFileName != NULL && !ErrUnicode && ErrAppend && (!EFI_ERROR(ShellFileExists(StdErrFileName)) && !EFI_ERROR(IsUnicodeFile(StdErrFileName))))\r | |
a405b86d | 1100 | ){\r |
1101 | Status = EFI_INVALID_PARAMETER;\r | |
a9ca0684 | 1102 | ShellParameters->StdIn = *OldStdIn;\r |
1103 | ShellParameters->StdOut = *OldStdOut;\r | |
1104 | ShellParameters->StdErr = *OldStdErr;\r | |
fb84495a | 1105 | } else if (!EFI_ERROR(Status)){\r |
a405b86d | 1106 | //\r |
1107 | // Open the Std<Whatever> and we should not have conflicts here...\r | |
1108 | //\r | |
1109 | \r | |
1110 | //\r | |
1111 | // StdErr to a file\r | |
1112 | //\r | |
1113 | if (StdErrFileName != NULL) {\r | |
1114 | if (!ErrAppend) {\r | |
1115 | //\r | |
1116 | // delete existing file.\r | |
1117 | //\r | |
1118 | ShellInfoObject.NewEfiShellProtocol->DeleteFileByName(StdErrFileName);\r | |
1119 | }\r | |
1120 | Status = ShellOpenFileByName(StdErrFileName, &TempHandle, EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ|EFI_FILE_MODE_CREATE,0);\r | |
a405b86d | 1121 | if (!ErrAppend && ErrUnicode && !EFI_ERROR(Status)) {\r |
94c2a044 | 1122 | Status = WriteFileTag (TempHandle);\r |
a405b86d | 1123 | }\r |
1124 | if (!ErrUnicode && !EFI_ERROR(Status)) {\r | |
1125 | TempHandle = CreateFileInterfaceFile(TempHandle, FALSE);\r | |
1126 | ASSERT(TempHandle != NULL);\r | |
1127 | }\r | |
1128 | if (!EFI_ERROR(Status)) {\r | |
1129 | ShellParameters->StdErr = TempHandle;\r | |
dcf9b428 | 1130 | gST->StdErr = CreateSimpleTextOutOnFile(TempHandle, &gST->StandardErrorHandle, gST->StdErr);\r |
a405b86d | 1131 | }\r |
1132 | }\r | |
1133 | \r | |
1134 | //\r | |
1135 | // StdOut to a file\r | |
1136 | //\r | |
1137 | if (!EFI_ERROR(Status) && StdOutFileName != NULL) {\r | |
1138 | if (!OutAppend) {\r | |
1139 | //\r | |
1140 | // delete existing file.\r | |
1141 | //\r | |
1142 | ShellInfoObject.NewEfiShellProtocol->DeleteFileByName(StdOutFileName);\r | |
1143 | }\r | |
1144 | Status = ShellOpenFileByName(StdOutFileName, &TempHandle, EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ|EFI_FILE_MODE_CREATE,0);\r | |
3c865f20 | 1145 | if (TempHandle == NULL) {\r |
1146 | Status = EFI_INVALID_PARAMETER;\r | |
1147 | } else {\r | |
733f138d | 1148 | if (StrStr(StdOutFileName, L"NUL")==StdOutFileName) {\r |
1149 | //no-op\r | |
1150 | } else if (!OutAppend && OutUnicode && !EFI_ERROR(Status)) {\r | |
94c2a044 | 1151 | Status = WriteFileTag (TempHandle);\r |
3c865f20 | 1152 | } else if (OutAppend) {\r |
3c865f20 | 1153 | Status = ShellInfoObject.NewEfiShellProtocol->GetFileSize(TempHandle, &FileSize);\r |
1154 | if (!EFI_ERROR(Status)) {\r | |
5967886d LE |
1155 | //\r |
1156 | // When appending to a new unicode file, write the file tag.\r | |
1157 | // Otherwise (ie. when appending to a new ASCII file, or an\r | |
1158 | // existent file with any encoding), just seek to the end.\r | |
1159 | //\r | |
1160 | Status = (FileSize == 0 && OutUnicode) ?\r | |
1161 | WriteFileTag (TempHandle) :\r | |
1162 | ShellInfoObject.NewEfiShellProtocol->SetFilePosition (\r | |
1163 | TempHandle,\r | |
1164 | FileSize);\r | |
3c865f20 | 1165 | }\r |
1166 | }\r | |
1167 | if (!OutUnicode && !EFI_ERROR(Status)) {\r | |
1168 | TempHandle = CreateFileInterfaceFile(TempHandle, FALSE);\r | |
1169 | ASSERT(TempHandle != NULL);\r | |
1170 | }\r | |
a405b86d | 1171 | if (!EFI_ERROR(Status)) {\r |
3c865f20 | 1172 | ShellParameters->StdOut = TempHandle;\r |
dcf9b428 | 1173 | gST->ConOut = CreateSimpleTextOutOnFile(TempHandle, &gST->ConsoleOutHandle, gST->ConOut);\r |
a405b86d | 1174 | }\r |
1175 | }\r | |
a405b86d | 1176 | }\r |
1177 | \r | |
1178 | //\r | |
1179 | // StdOut to a var\r | |
1180 | //\r | |
1181 | if (!EFI_ERROR(Status) && StdOutVarName != NULL) {\r | |
1182 | if (!OutAppend) {\r | |
1183 | //\r | |
1184 | // delete existing variable.\r | |
1185 | //\r | |
1186 | SHELL_SET_ENVIRONMENT_VARIABLE_V(StdOutVarName, 0, L"");\r | |
1187 | }\r | |
1188 | TempHandle = CreateFileInterfaceEnv(StdOutVarName);\r | |
1189 | ASSERT(TempHandle != NULL);\r | |
a405b86d | 1190 | ShellParameters->StdOut = TempHandle;\r |
dcf9b428 | 1191 | gST->ConOut = CreateSimpleTextOutOnFile(TempHandle, &gST->ConsoleOutHandle, gST->ConOut);\r |
a405b86d | 1192 | }\r |
1193 | \r | |
1194 | //\r | |
1195 | // StdErr to a var\r | |
1196 | //\r | |
1197 | if (!EFI_ERROR(Status) && StdErrVarName != NULL) {\r | |
1198 | if (!ErrAppend) {\r | |
1199 | //\r | |
1200 | // delete existing variable.\r | |
1201 | //\r | |
1202 | SHELL_SET_ENVIRONMENT_VARIABLE_V(StdErrVarName, 0, L"");\r | |
1203 | }\r | |
1204 | TempHandle = CreateFileInterfaceEnv(StdErrVarName);\r | |
1205 | ASSERT(TempHandle != NULL);\r | |
a405b86d | 1206 | ShellParameters->StdErr = TempHandle;\r |
dcf9b428 | 1207 | gST->StdErr = CreateSimpleTextOutOnFile(TempHandle, &gST->StandardErrorHandle, gST->StdErr);\r |
a405b86d | 1208 | }\r |
1209 | \r | |
1210 | //\r | |
1211 | // StdIn from a var\r | |
1212 | //\r | |
1213 | if (!EFI_ERROR(Status) && StdInVarName != NULL) {\r | |
1214 | TempHandle = CreateFileInterfaceEnv(StdInVarName);\r | |
532691c8 | 1215 | if (TempHandle == NULL) {\r |
1216 | Status = EFI_OUT_OF_RESOURCES;\r | |
a405b86d | 1217 | } else {\r |
532691c8 | 1218 | if (!InUnicode) {\r |
1219 | TempHandle = CreateFileInterfaceFile(TempHandle, FALSE);\r | |
1220 | }\r | |
1221 | Size = 0;\r | |
96962f0a | 1222 | if (TempHandle == NULL || ((EFI_FILE_PROTOCOL*)TempHandle)->Read(TempHandle, &Size, NULL) != EFI_BUFFER_TOO_SMALL) {\r |
532691c8 | 1223 | Status = EFI_INVALID_PARAMETER;\r |
1224 | } else {\r | |
1225 | ShellParameters->StdIn = TempHandle;\r | |
1226 | gST->ConIn = CreateSimpleTextInOnFile(TempHandle, &gST->ConsoleInHandle);\r | |
1227 | }\r | |
a405b86d | 1228 | }\r |
1229 | }\r | |
1230 | \r | |
1231 | //\r | |
1232 | // StdIn from a file\r | |
1233 | //\r | |
1234 | if (!EFI_ERROR(Status) && StdInFileName != NULL) {\r | |
1235 | Status = ShellOpenFileByName(\r | |
1236 | StdInFileName,\r | |
1237 | &TempHandle,\r | |
1238 | EFI_FILE_MODE_READ,\r | |
1239 | 0);\r | |
49bb76ff JC |
1240 | if (InUnicode) {\r |
1241 | //\r | |
1242 | // Chop off the 0xFEFF if it's there...\r | |
1243 | //\r | |
1244 | RemoveFileTag(&TempHandle);\r | |
1245 | } else if (!EFI_ERROR(Status)) {\r | |
1246 | //\r | |
1247 | // Create the ASCII->Unicode conversion layer\r | |
1248 | //\r | |
a405b86d | 1249 | TempHandle = CreateFileInterfaceFile(TempHandle, FALSE);\r |
1250 | }\r | |
1251 | if (!EFI_ERROR(Status)) {\r | |
1252 | ShellParameters->StdIn = TempHandle;\r | |
8be0ba36 | 1253 | gST->ConIn = CreateSimpleTextInOnFile(TempHandle, &gST->ConsoleInHandle);\r |
a405b86d | 1254 | }\r |
1255 | }\r | |
1256 | }\r | |
1257 | }\r | |
1258 | FreePool(CommandLineCopy);\r | |
8be0ba36 | 1259 | \r |
cf6a8f14 | 1260 | CalculateEfiHdrCrc(&gST->Hdr);\r |
1261 | \r | |
8be0ba36 | 1262 | if (gST->ConIn == NULL ||gST->ConOut == NULL) {\r |
cc31ac1e | 1263 | Status = EFI_OUT_OF_RESOURCES;\r |
8be0ba36 | 1264 | }\r |
cc31ac1e JC |
1265 | \r |
1266 | if (Status == EFI_NOT_FOUND) {\r | |
1267 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_REDUNDA_REDIR), ShellInfoObject.HiiHandle);\r | |
1268 | } else if (EFI_ERROR(Status)) {\r | |
1269 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_INVALID_REDIR), ShellInfoObject.HiiHandle);\r | |
1270 | }\r | |
1271 | \r | |
a405b86d | 1272 | return (Status);\r |
1273 | }\r | |
1274 | \r | |
1275 | /**\r | |
1276 | Funcion will replace the current StdIn and StdOut in the ShellParameters protocol\r | |
1277 | structure with StdIn and StdOut. The current values are de-allocated.\r | |
1278 | \r | |
4ff7e37b ED |
1279 | @param[in, out] ShellParameters Pointer to parameter structure to modify.\r |
1280 | @param[in] OldStdIn Pointer to old StdIn.\r | |
1281 | @param[in] OldStdOut Pointer to old StdOut.\r | |
1282 | @param[in] OldStdErr Pointer to old StdErr.\r | |
1283 | @param[in] SystemTableInfo Pointer to old system table information.\r | |
a405b86d | 1284 | **/\r |
1285 | EFI_STATUS\r | |
1286 | EFIAPI\r | |
1287 | RestoreStdInStdOutStdErr (\r | |
1288 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *ShellParameters,\r | |
8be0ba36 | 1289 | IN SHELL_FILE_HANDLE *OldStdIn,\r |
1290 | IN SHELL_FILE_HANDLE *OldStdOut,\r | |
1291 | IN SHELL_FILE_HANDLE *OldStdErr,\r | |
1292 | IN SYSTEM_TABLE_INFO *SystemTableInfo\r | |
a405b86d | 1293 | )\r |
1294 | {\r | |
1295 | SPLIT_LIST *Split;\r | |
8be0ba36 | 1296 | \r |
1297 | if (ShellParameters == NULL \r | |
1298 | ||OldStdIn == NULL\r | |
1299 | ||OldStdOut == NULL\r | |
1300 | ||OldStdErr == NULL\r | |
1301 | ||SystemTableInfo == NULL) {\r | |
1302 | return (EFI_INVALID_PARAMETER);\r | |
1303 | }\r | |
a405b86d | 1304 | if (!IsListEmpty(&ShellInfoObject.SplitList.Link)) {\r |
1305 | Split = (SPLIT_LIST*)GetFirstNode(&ShellInfoObject.SplitList.Link);\r | |
1306 | } else {\r | |
1307 | Split = NULL;\r | |
1308 | }\r | |
8be0ba36 | 1309 | if (ShellParameters->StdIn != *OldStdIn) {\r |
a405b86d | 1310 | if ((Split != NULL && Split->SplitStdIn != ShellParameters->StdIn) || Split == NULL) {\r |
1311 | gEfiShellProtocol->CloseFile(ShellParameters->StdIn);\r | |
1312 | }\r | |
8be0ba36 | 1313 | ShellParameters->StdIn = *OldStdIn;\r |
a405b86d | 1314 | }\r |
8be0ba36 | 1315 | if (ShellParameters->StdOut != *OldStdOut) {\r |
a405b86d | 1316 | if ((Split != NULL && Split->SplitStdOut != ShellParameters->StdOut) || Split == NULL) {\r |
1317 | gEfiShellProtocol->CloseFile(ShellParameters->StdOut);\r | |
1318 | }\r | |
8be0ba36 | 1319 | ShellParameters->StdOut = *OldStdOut;\r |
1320 | }\r | |
1321 | if (ShellParameters->StdErr != *OldStdErr) {\r | |
1322 | gEfiShellProtocol->CloseFile(ShellParameters->StdErr);\r | |
1323 | ShellParameters->StdErr = *OldStdErr;\r | |
1324 | }\r | |
1325 | \r | |
1326 | if (gST->ConIn != SystemTableInfo->ConIn) {\r | |
1327 | CloseSimpleTextInOnFile(gST->ConIn);\r | |
1328 | gST->ConIn = SystemTableInfo->ConIn;\r | |
1329 | gST->ConsoleInHandle = SystemTableInfo->ConInHandle;\r | |
a405b86d | 1330 | }\r |
8be0ba36 | 1331 | if (gST->ConOut != SystemTableInfo->ConOut) {\r |
1332 | CloseSimpleTextOutOnFile(gST->ConOut);\r | |
1333 | gST->ConOut = SystemTableInfo->ConOut;\r | |
1334 | gST->ConsoleOutHandle = SystemTableInfo->ConOutHandle;\r | |
1335 | }\r | |
4ccd9214 | 1336 | if (gST->StdErr != SystemTableInfo->ErrOut) {\r |
8be0ba36 | 1337 | CloseSimpleTextOutOnFile(gST->StdErr);\r |
4ccd9214 ED |
1338 | gST->StdErr = SystemTableInfo->ErrOut;\r |
1339 | gST->StandardErrorHandle = SystemTableInfo->ErrOutHandle;\r | |
8be0ba36 | 1340 | }\r |
1341 | \r | |
cf6a8f14 | 1342 | CalculateEfiHdrCrc(&gST->Hdr);\r |
1343 | \r | |
a405b86d | 1344 | return (EFI_SUCCESS);\r |
1345 | }\r | |
1346 | /**\r | |
1347 | Funcion will replace the current Argc and Argv in the ShellParameters protocol\r | |
1348 | structure by parsing NewCommandLine. The current values are returned to the\r | |
1349 | user.\r | |
1350 | \r | |
1351 | If OldArgv or OldArgc is NULL then that value is not returned.\r | |
1352 | \r | |
4ff7e37b ED |
1353 | @param[in, out] ShellParameters Pointer to parameter structure to modify.\r |
1354 | @param[in] NewCommandLine The new command line to parse and use.\r | |
1355 | @param[out] OldArgv Pointer to old list of parameters.\r | |
1356 | @param[out] OldArgc Pointer to old number of items in Argv list.\r | |
a405b86d | 1357 | \r |
1358 | @retval EFI_SUCCESS Operation was sucessful, Argv and Argc are valid.\r | |
1359 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
1360 | **/\r | |
1361 | EFI_STATUS\r | |
1362 | EFIAPI\r | |
1363 | UpdateArgcArgv(\r | |
1364 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *ShellParameters,\r | |
1365 | IN CONST CHAR16 *NewCommandLine,\r | |
1366 | OUT CHAR16 ***OldArgv OPTIONAL,\r | |
1367 | OUT UINTN *OldArgc OPTIONAL\r | |
1368 | )\r | |
1369 | {\r | |
1370 | ASSERT(ShellParameters != NULL);\r | |
1371 | \r | |
1372 | if (OldArgc != NULL) {\r | |
1373 | *OldArgc = ShellParameters->Argc;\r | |
1374 | }\r | |
1375 | if (OldArgc != NULL) {\r | |
1376 | *OldArgv = ShellParameters->Argv;\r | |
1377 | }\r | |
1378 | \r | |
1379 | return (ParseCommandLineToArgs(NewCommandLine, &(ShellParameters->Argv), &(ShellParameters->Argc)));\r | |
1380 | }\r | |
1381 | \r | |
1382 | /**\r | |
1383 | Funcion will replace the current Argc and Argv in the ShellParameters protocol\r | |
1384 | structure with Argv and Argc. The current values are de-allocated and the\r | |
1385 | OldArgv must not be deallocated by the caller.\r | |
1386 | \r | |
4ff7e37b ED |
1387 | @param[in, out] ShellParameters pointer to parameter structure to modify\r |
1388 | @param[in] OldArgv pointer to old list of parameters\r | |
1389 | @param[in] OldArgc pointer to old number of items in Argv list\r | |
a405b86d | 1390 | **/\r |
1391 | VOID\r | |
1392 | EFIAPI\r | |
1393 | RestoreArgcArgv(\r | |
1394 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *ShellParameters,\r | |
1395 | IN CHAR16 ***OldArgv,\r | |
1396 | IN UINTN *OldArgc\r | |
1397 | )\r | |
1398 | {\r | |
1399 | UINTN LoopCounter;\r | |
1400 | ASSERT(ShellParameters != NULL);\r | |
1401 | ASSERT(OldArgv != NULL);\r | |
1402 | ASSERT(OldArgc != NULL);\r | |
1403 | \r | |
1404 | if (ShellParameters->Argv != NULL) {\r | |
1405 | for ( LoopCounter = 0\r | |
1406 | ; LoopCounter < ShellParameters->Argc\r | |
1407 | ; LoopCounter++\r | |
1408 | ){\r | |
1409 | FreePool(ShellParameters->Argv[LoopCounter]);\r | |
1410 | }\r | |
1411 | FreePool(ShellParameters->Argv);\r | |
1412 | }\r | |
1413 | ShellParameters->Argv = *OldArgv;\r | |
1414 | *OldArgv = NULL;\r | |
1415 | ShellParameters->Argc = *OldArgc;\r | |
1416 | *OldArgc = 0;\r | |
1417 | }\r |