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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 | |
733f138d | 5 | Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>\r |
a405b86d | 6 | This program and the accompanying materials\r |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | #include "ShellParametersProtocol.h"\r | |
8be0ba36 | 17 | #include "ConsoleWrappers.h"\r |
a405b86d | 18 | \r |
19 | /**\r | |
20 | return the next parameter from a command line string;\r | |
21 | \r | |
22 | This function moves the next parameter from Walker into TempParameter and moves\r | |
23 | Walker up past that parameter for recursive calling. When the final parameter\r | |
24 | is moved *Walker will be set to NULL;\r | |
25 | \r | |
26 | Temp Parameter must be large enough to hold the parameter before calling this\r | |
27 | function.\r | |
28 | \r | |
29 | @param[in,out] Walker pointer to string of command line. Adjusted to\r | |
30 | reminaing command line on return\r | |
31 | @param[in,out] TempParameter pointer to string of command line item extracted.\r | |
32 | \r | |
33 | **/\r | |
34 | VOID\r | |
35 | EFIAPI\r | |
36 | GetNextParameter(\r | |
37 | CHAR16 **Walker,\r | |
38 | CHAR16 **TempParameter\r | |
39 | )\r | |
40 | {\r | |
41 | CHAR16 *NextDelim;\r | |
42 | CHAR16 *TempLoc;\r | |
43 | \r | |
44 | ASSERT(Walker != NULL);\r | |
45 | ASSERT(*Walker != NULL);\r | |
46 | ASSERT(TempParameter != NULL);\r | |
47 | ASSERT(*TempParameter != NULL);\r | |
48 | \r | |
49 | //\r | |
50 | // make sure we dont have any leading spaces\r | |
51 | //\r | |
52 | while ((*Walker)[0] == L' ') {\r | |
53 | (*Walker)++;\r | |
54 | }\r | |
55 | \r | |
56 | //\r | |
57 | // make sure we still have some params now...\r | |
58 | //\r | |
59 | if (StrLen(*Walker) == 0) {\r | |
60 | ASSERT((*Walker)[0] == CHAR_NULL);\r | |
61 | *Walker = NULL;\r | |
62 | return;\r | |
63 | }\r | |
64 | \r | |
65 | //\r | |
66 | // we have a quoted parameter\r | |
67 | // could be the last parameter, but SHOULD have a trailing quote\r | |
68 | //\r | |
69 | if ((*Walker)[0] == L'\"') {\r | |
70 | NextDelim = NULL;\r | |
71 | for (TempLoc = *Walker + 1 ; TempLoc != NULL && *TempLoc != CHAR_NULL ; TempLoc++) {\r | |
72 | if (*TempLoc == L'^' && *(TempLoc+1) == L'^') {\r | |
73 | TempLoc++;\r | |
74 | } else if (*TempLoc == L'^' && *(TempLoc+1) == L'\"') {\r | |
75 | TempLoc++;\r | |
a405b86d | 76 | } else if (*TempLoc == L'\"') {\r |
77 | NextDelim = TempLoc;\r | |
78 | break;\r | |
79 | }\r | |
80 | }\r | |
81 | \r | |
82 | if (NextDelim - ((*Walker)+1) == 0) {\r | |
83 | //\r | |
84 | // found ""\r | |
85 | //\r | |
86 | StrCpy(*TempParameter, L"");\r | |
87 | *Walker = NextDelim + 1;\r | |
88 | } else if (NextDelim != NULL) {\r | |
89 | StrnCpy(*TempParameter, (*Walker)+1, NextDelim - ((*Walker)+1));\r | |
90 | *Walker = NextDelim + 1;\r | |
91 | } else {\r | |
92 | //\r | |
93 | // last one... someone forgot the training quote!\r | |
94 | //\r | |
95 | StrCpy(*TempParameter, *Walker);\r | |
96 | *Walker = NULL;\r | |
97 | }\r | |
98 | for (TempLoc = *TempParameter ; TempLoc != NULL && *TempLoc != CHAR_NULL ; TempLoc++) {\r | |
99 | if ((*TempLoc == L'^' && *(TempLoc+1) == L'^')\r | |
100 | || (*TempLoc == L'^' && *(TempLoc+1) == L'|')\r | |
101 | || (*TempLoc == L'^' && *(TempLoc+1) == L'\"')\r | |
102 | ){\r | |
103 | CopyMem(TempLoc, TempLoc+1, StrSize(TempLoc) - sizeof(TempLoc[0]));\r | |
104 | }\r | |
105 | }\r | |
106 | } else {\r | |
107 | //\r | |
108 | // we have a regular parameter (no quote) OR\r | |
109 | // we have the final parameter (no trailing space)\r | |
110 | //\r | |
111 | NextDelim = StrStr((*Walker), L" ");\r | |
112 | if (NextDelim != NULL) {\r | |
113 | StrnCpy(*TempParameter, *Walker, NextDelim - (*Walker));\r | |
114 | (*TempParameter)[NextDelim - (*Walker)] = CHAR_NULL;\r | |
115 | *Walker = NextDelim+1;\r | |
116 | } else {\r | |
117 | //\r | |
118 | // last one.\r | |
119 | //\r | |
120 | StrCpy(*TempParameter, *Walker);\r | |
121 | *Walker = NULL;\r | |
122 | }\r | |
123 | for (NextDelim = *TempParameter ; NextDelim != NULL && *NextDelim != CHAR_NULL ; NextDelim++) {\r | |
124 | if (*NextDelim == L'^' && *(NextDelim+1) == L'^') {\r | |
125 | CopyMem(NextDelim, NextDelim+1, StrSize(NextDelim) - sizeof(NextDelim[0]));\r | |
733f138d | 126 | }/* else if (*NextDelim == L'^') {\r |
a405b86d | 127 | *NextDelim = L' ';\r |
733f138d | 128 | }*/\r |
a405b86d | 129 | }\r |
130 | while ((*TempParameter)[StrLen(*TempParameter)-1] == L' ') {\r | |
131 | (*TempParameter)[StrLen(*TempParameter)-1] = CHAR_NULL;\r | |
132 | }\r | |
133 | while ((*TempParameter)[0] == L' ') {\r | |
134 | CopyMem(*TempParameter, (*TempParameter)+1, StrSize(*TempParameter) - sizeof((*TempParameter)[0]));\r | |
135 | }\r | |
136 | }\r | |
137 | return;\r | |
138 | }\r | |
139 | \r | |
140 | /**\r | |
733f138d | 141 | Function to populate Argc and Argv.\r |
a405b86d | 142 | \r |
143 | This function parses the CommandLine and divides it into standard C style Argc/Argv\r | |
144 | parameters for inclusion in EFI_SHELL_PARAMETERS_PROTOCOL. this supports space\r | |
145 | delimited and quote surrounded parameter definition.\r | |
146 | \r | |
147 | @param[in] CommandLine String of command line to parse\r | |
148 | @param[in,out] Argv pointer to array of strings; one for each parameter\r | |
149 | @param[in,out] Argc pointer to number of strings in Argv array\r | |
150 | \r | |
151 | @return EFI_SUCCESS the operation was sucessful\r | |
152 | @return EFI_OUT_OF_RESOURCES a memory allocation failed.\r | |
153 | **/\r | |
154 | EFI_STATUS\r | |
155 | EFIAPI\r | |
156 | ParseCommandLineToArgs(\r | |
157 | IN CONST CHAR16 *CommandLine,\r | |
158 | IN OUT CHAR16 ***Argv,\r | |
159 | IN OUT UINTN *Argc\r | |
160 | )\r | |
161 | {\r | |
162 | UINTN Count;\r | |
163 | CHAR16 *TempParameter;\r | |
164 | CHAR16 *Walker;\r | |
165 | CHAR16 *NewParam;\r | |
166 | UINTN Size;\r | |
167 | \r | |
168 | ASSERT(Argc != NULL);\r | |
169 | ASSERT(Argv != NULL);\r | |
170 | \r | |
171 | if (CommandLine == NULL || StrLen(CommandLine)==0) {\r | |
172 | (*Argc) = 0;\r | |
173 | (*Argv) = NULL;\r | |
174 | return (EFI_SUCCESS);\r | |
175 | }\r | |
176 | \r | |
177 | Size = StrSize(CommandLine);\r | |
178 | TempParameter = AllocateZeroPool(Size);\r | |
179 | if (TempParameter == NULL) {\r | |
180 | return (EFI_OUT_OF_RESOURCES);\r | |
181 | }\r | |
182 | \r | |
183 | for ( Count = 0\r | |
184 | , Walker = (CHAR16*)CommandLine\r | |
185 | ; Walker != NULL && *Walker != CHAR_NULL\r | |
186 | ; GetNextParameter(&Walker, &TempParameter)\r | |
187 | , Count++\r | |
188 | );\r | |
189 | \r | |
190 | /* Count = 0;\r | |
191 | Walker = (CHAR16*)CommandLine;\r | |
192 | while(Walker != NULL) {\r | |
193 | GetNextParameter(&Walker, &TempParameter);\r | |
194 | Count++;\r | |
195 | }\r | |
196 | */\r | |
197 | //\r | |
198 | // lets allocate the pointer array\r | |
199 | //\r | |
200 | (*Argv) = AllocateZeroPool((Count)*sizeof(CHAR16*));\r | |
201 | if (*Argv == NULL) {\r | |
202 | return (EFI_OUT_OF_RESOURCES);\r | |
203 | }\r | |
204 | \r | |
205 | *Argc = 0;\r | |
206 | Walker = (CHAR16*)CommandLine;\r | |
207 | while(Walker != NULL && *Walker != CHAR_NULL) {\r | |
208 | SetMem16(TempParameter, Size, CHAR_NULL);\r | |
209 | GetNextParameter(&Walker, &TempParameter);\r | |
210 | NewParam = AllocateZeroPool(StrSize(TempParameter));\r | |
211 | ASSERT(NewParam != NULL);\r | |
212 | StrCpy(NewParam, TempParameter);\r | |
213 | ((CHAR16**)(*Argv))[(*Argc)] = NewParam;\r | |
214 | (*Argc)++;\r | |
215 | }\r | |
216 | ASSERT(Count >= (*Argc));\r | |
217 | return (EFI_SUCCESS);\r | |
218 | }\r | |
219 | \r | |
220 | /**\r | |
221 | creates a new EFI_SHELL_PARAMETERS_PROTOCOL instance and populates it and then\r | |
222 | installs it on our handle and if there is an existing version of the protocol\r | |
223 | that one is cached for removal later.\r | |
224 | \r | |
225 | @param[in,out] NewShellParameters on a successful return, a pointer to pointer\r | |
226 | to the newly installed interface.\r | |
227 | @param[in,out] RootShellInstance on a successful return, pointer to boolean.\r | |
228 | TRUE if this is the root shell instance.\r | |
229 | \r | |
230 | @retval EFI_SUCCESS the operation completed successfully.\r | |
231 | @return other the operation failed.\r | |
232 | @sa ReinstallProtocolInterface\r | |
233 | @sa InstallProtocolInterface\r | |
234 | @sa ParseCommandLineToArgs\r | |
235 | **/\r | |
236 | EFI_STATUS\r | |
237 | EFIAPI\r | |
238 | CreatePopulateInstallShellParametersProtocol (\r | |
239 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL **NewShellParameters,\r | |
240 | IN OUT BOOLEAN *RootShellInstance\r | |
241 | )\r | |
242 | {\r | |
243 | EFI_STATUS Status;\r | |
244 | EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;\r | |
245 | CHAR16 *FullCommandLine;\r | |
246 | UINTN Size;\r | |
247 | \r | |
248 | Size = 0;\r | |
249 | FullCommandLine = NULL;\r | |
250 | LoadedImage = NULL;\r | |
251 | \r | |
252 | //\r | |
253 | // Assert for valid parameters\r | |
254 | //\r | |
255 | ASSERT(NewShellParameters != NULL);\r | |
256 | ASSERT(RootShellInstance != NULL);\r | |
257 | \r | |
258 | //\r | |
259 | // See if we have a shell parameters placed on us\r | |
260 | //\r | |
261 | Status = gBS->OpenProtocol (\r | |
262 | gImageHandle,\r | |
263 | &gEfiShellParametersProtocolGuid,\r | |
264 | (VOID **) &ShellInfoObject.OldShellParameters,\r | |
265 | gImageHandle,\r | |
266 | NULL,\r | |
267 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
268 | );\r | |
269 | //\r | |
270 | // if we don't then we must be the root shell (error is expected)\r | |
271 | //\r | |
272 | if (EFI_ERROR (Status)) {\r | |
273 | *RootShellInstance = TRUE;\r | |
274 | }\r | |
275 | \r | |
276 | //\r | |
277 | // Allocate the new structure\r | |
278 | //\r | |
279 | *NewShellParameters = AllocateZeroPool(sizeof(EFI_SHELL_PARAMETERS_PROTOCOL));\r | |
3c865f20 | 280 | if ((*NewShellParameters) == NULL) {\r |
281 | return (EFI_OUT_OF_RESOURCES);\r | |
282 | }\r | |
a405b86d | 283 | \r |
284 | //\r | |
285 | // get loaded image protocol\r | |
286 | //\r | |
287 | Status = gBS->OpenProtocol (\r | |
288 | gImageHandle,\r | |
289 | &gEfiLoadedImageProtocolGuid,\r | |
290 | (VOID **) &LoadedImage,\r | |
291 | gImageHandle,\r | |
292 | NULL,\r | |
293 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
294 | );\r | |
295 | ASSERT_EFI_ERROR(Status);\r | |
296 | //\r | |
297 | // Build the full command line\r | |
298 | //\r | |
299 | Status = SHELL_GET_ENVIRONMENT_VARIABLE(L"ShellOpt", &Size, &FullCommandLine);\r | |
300 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
301 | FullCommandLine = AllocateZeroPool(Size + LoadedImage->LoadOptionsSize);\r | |
302 | Status = SHELL_GET_ENVIRONMENT_VARIABLE(L"ShellOpt", &Size, &FullCommandLine);\r | |
303 | }\r | |
304 | if (Status == EFI_NOT_FOUND) {\r | |
305 | //\r | |
306 | // no parameters via environment... ok\r | |
307 | //\r | |
308 | } else {\r | |
3c865f20 | 309 | if (EFI_ERROR(Status)) {\r |
310 | return (Status);\r | |
311 | }\r | |
a405b86d | 312 | }\r |
313 | if (Size == 0 && LoadedImage->LoadOptionsSize != 0) {\r | |
3c865f20 | 314 | ASSERT(FullCommandLine == NULL);\r |
a405b86d | 315 | //\r |
316 | // Now we need to include a NULL terminator in the size.\r | |
317 | //\r | |
318 | Size = LoadedImage->LoadOptionsSize + sizeof(FullCommandLine[0]);\r | |
319 | FullCommandLine = AllocateZeroPool(Size);\r | |
320 | }\r | |
a405b86d | 321 | if (FullCommandLine != NULL) {\r |
3c865f20 | 322 | if (LoadedImage->LoadOptionsSize != 0){\r |
323 | StrCpy(FullCommandLine, LoadedImage->LoadOptions);\r | |
324 | }\r | |
a405b86d | 325 | //\r |
326 | // Populate Argc and Argv\r | |
327 | //\r | |
328 | Status = ParseCommandLineToArgs(FullCommandLine,\r | |
329 | &(*NewShellParameters)->Argv,\r | |
330 | &(*NewShellParameters)->Argc);\r | |
331 | \r | |
332 | FreePool(FullCommandLine);\r | |
333 | \r | |
334 | ASSERT_EFI_ERROR(Status);\r | |
335 | } else {\r | |
336 | (*NewShellParameters)->Argv = NULL;\r | |
337 | (*NewShellParameters)->Argc = 0;\r | |
338 | }\r | |
339 | \r | |
340 | //\r | |
341 | // Populate the 3 faked file systems...\r | |
342 | //\r | |
343 | if (*RootShellInstance) {\r | |
344 | (*NewShellParameters)->StdIn = &FileInterfaceStdIn;\r | |
345 | (*NewShellParameters)->StdOut = &FileInterfaceStdOut;\r | |
346 | (*NewShellParameters)->StdErr = &FileInterfaceStdErr;\r | |
347 | Status = gBS->InstallProtocolInterface(&gImageHandle,\r | |
348 | &gEfiShellParametersProtocolGuid,\r | |
349 | EFI_NATIVE_INTERFACE,\r | |
350 | (VOID*)(*NewShellParameters));\r | |
351 | } else {\r | |
352 | //\r | |
353 | // copy from the existing ones\r | |
354 | //\r | |
355 | (*NewShellParameters)->StdIn = ShellInfoObject.OldShellParameters->StdIn;\r | |
356 | (*NewShellParameters)->StdOut = ShellInfoObject.OldShellParameters->StdOut;\r | |
357 | (*NewShellParameters)->StdErr = ShellInfoObject.OldShellParameters->StdErr;\r | |
358 | Status = gBS->ReinstallProtocolInterface(gImageHandle,\r | |
359 | &gEfiShellParametersProtocolGuid,\r | |
360 | (VOID*)ShellInfoObject.OldShellParameters,\r | |
361 | (VOID*)(*NewShellParameters));\r | |
362 | }\r | |
363 | \r | |
364 | return (Status);\r | |
365 | }\r | |
366 | \r | |
367 | /**\r | |
368 | frees all memory used by createion and installation of shell parameters protocol\r | |
369 | and if there was an old version installed it will restore that one.\r | |
370 | \r | |
371 | @param NewShellParameters the interface of EFI_SHELL_PARAMETERS_PROTOCOL that is\r | |
372 | being cleaned up.\r | |
373 | \r | |
374 | @retval EFI_SUCCESS the cleanup was successful\r | |
375 | @return other the cleanup failed\r | |
376 | @sa ReinstallProtocolInterface\r | |
377 | @sa UninstallProtocolInterface\r | |
378 | **/\r | |
379 | EFI_STATUS\r | |
380 | EFIAPI\r | |
381 | CleanUpShellParametersProtocol (\r | |
382 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *NewShellParameters\r | |
383 | )\r | |
384 | {\r | |
385 | EFI_STATUS Status;\r | |
386 | UINTN LoopCounter;\r | |
387 | \r | |
388 | //\r | |
389 | // If the old exists we need to restore it\r | |
390 | //\r | |
391 | if (ShellInfoObject.OldShellParameters != NULL) {\r | |
392 | Status = gBS->ReinstallProtocolInterface(gImageHandle,\r | |
393 | &gEfiShellParametersProtocolGuid,\r | |
394 | (VOID*)NewShellParameters,\r | |
395 | (VOID*)ShellInfoObject.OldShellParameters);\r | |
396 | DEBUG_CODE(ShellInfoObject.OldShellParameters = NULL;);\r | |
397 | } else {\r | |
398 | //\r | |
399 | // No old one, just uninstall us...\r | |
400 | //\r | |
401 | Status = gBS->UninstallProtocolInterface(gImageHandle,\r | |
402 | &gEfiShellParametersProtocolGuid,\r | |
403 | (VOID*)NewShellParameters);\r | |
404 | }\r | |
405 | if (NewShellParameters->Argv != NULL) {\r | |
406 | for ( LoopCounter = 0\r | |
407 | ; LoopCounter < NewShellParameters->Argc\r | |
408 | ; LoopCounter++\r | |
409 | ){\r | |
410 | FreePool(NewShellParameters->Argv[LoopCounter]);\r | |
411 | }\r | |
412 | FreePool(NewShellParameters->Argv);\r | |
413 | }\r | |
414 | FreePool(NewShellParameters);\r | |
415 | return (Status);\r | |
416 | }\r | |
417 | \r | |
ae724571 | 418 | /**\r |
419 | Determin if a file name represents a unicode file.\r | |
420 | \r | |
421 | @param[in] FileName Pointer to the filename to open.\r | |
422 | \r | |
423 | @retval EFI_SUCCESS The file is a unicode file.\r | |
424 | @return An error upon failure.\r | |
425 | **/\r | |
733f138d | 426 | EFI_STATUS\r |
427 | EFIAPI\r | |
428 | IsUnicodeFile(\r | |
429 | IN CONST CHAR16 *FileName\r | |
430 | )\r | |
431 | {\r | |
432 | SHELL_FILE_HANDLE Handle;\r | |
433 | EFI_STATUS Status;\r | |
434 | UINT64 OriginalFilePosition;\r | |
435 | UINTN CharSize;\r | |
436 | CHAR16 CharBuffer;\r | |
437 | \r | |
438 | Status = gEfiShellProtocol->OpenFileByName(FileName, &Handle, EFI_FILE_MODE_READ);\r | |
439 | if (EFI_ERROR(Status)) {\r | |
440 | return (Status);\r | |
441 | }\r | |
442 | gEfiShellProtocol->GetFilePosition(Handle, &OriginalFilePosition);\r | |
443 | gEfiShellProtocol->SetFilePosition(Handle, 0);\r | |
444 | CharSize = sizeof(CHAR16);\r | |
445 | Status = gEfiShellProtocol->ReadFile(Handle, &CharSize, &CharBuffer);\r | |
446 | if (EFI_ERROR(Status) || CharBuffer != gUnicodeFileTag) {\r | |
447 | Status = EFI_BUFFER_TOO_SMALL;\r | |
448 | }\r | |
449 | gEfiShellProtocol->SetFilePosition(Handle, OriginalFilePosition);\r | |
450 | gEfiShellProtocol->CloseFile(Handle);\r | |
451 | return (Status); \r | |
452 | }\r | |
453 | \r | |
fb84495a | 454 | /**\r |
455 | Strips out quotes sections of a string.\r | |
456 | \r | |
457 | All of the characters between quotes is replaced with spaces.\r | |
a1d4bfcc | 458 | \r |
459 | @param[in,out] TheString A pointer to the string to update.\r | |
fb84495a | 460 | **/\r |
461 | VOID\r | |
462 | EFIAPI\r | |
463 | StripQuotes (\r | |
464 | IN OUT CHAR16 *TheString\r | |
465 | )\r | |
466 | {\r | |
467 | BOOLEAN RemoveNow;\r | |
468 | \r | |
469 | for (RemoveNow = FALSE ; TheString != NULL && *TheString != CHAR_NULL ; TheString++) {\r | |
470 | if (*TheString == L'^' && *(TheString + 1) == L'\"') {\r | |
471 | TheString++;\r | |
472 | } else if (*TheString == L'\"') {\r | |
473 | RemoveNow = (BOOLEAN)!RemoveNow;\r | |
474 | } else if (RemoveNow) {\r | |
475 | *TheString = L' ';\r | |
476 | }\r | |
477 | }\r | |
478 | }\r | |
479 | \r | |
a405b86d | 480 | /**\r |
481 | Funcion will replace the current StdIn and StdOut in the ShellParameters protocol\r | |
482 | structure by parsing NewCommandLine. The current values are returned to the\r | |
483 | user.\r | |
484 | \r | |
8be0ba36 | 485 | This will also update the system table.\r |
a405b86d | 486 | \r |
487 | @param[in,out] ShellParameters Pointer to parameter structure to modify.\r | |
488 | @param[in] NewCommandLine The new command line to parse and use.\r | |
489 | @param[out] OldStdIn Pointer to old StdIn.\r | |
490 | @param[out] OldStdOut Pointer to old StdOut.\r | |
491 | @param[out] OldStdErr Pointer to old StdErr.\r | |
8be0ba36 | 492 | @param[out] SystemTableInfo Pointer to old system table information.\r |
a405b86d | 493 | \r |
494 | @retval EFI_SUCCESS Operation was sucessful, Argv and Argc are valid.\r | |
495 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
496 | **/\r | |
497 | EFI_STATUS\r | |
498 | EFIAPI\r | |
499 | UpdateStdInStdOutStdErr(\r | |
500 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *ShellParameters,\r | |
fb84495a | 501 | IN CHAR16 *NewCommandLine,\r |
a405b86d | 502 | OUT SHELL_FILE_HANDLE *OldStdIn,\r |
503 | OUT SHELL_FILE_HANDLE *OldStdOut,\r | |
8be0ba36 | 504 | OUT SHELL_FILE_HANDLE *OldStdErr,\r |
505 | OUT SYSTEM_TABLE_INFO *SystemTableInfo\r | |
a405b86d | 506 | )\r |
507 | {\r | |
508 | CHAR16 *CommandLineCopy;\r | |
509 | CHAR16 *CommandLineWalker;\r | |
510 | CHAR16 *StdErrFileName;\r | |
511 | CHAR16 *StdOutFileName;\r | |
512 | CHAR16 *StdInFileName;\r | |
513 | CHAR16 *StdInVarName;\r | |
514 | CHAR16 *StdOutVarName;\r | |
515 | CHAR16 *StdErrVarName;\r | |
516 | EFI_STATUS Status;\r | |
517 | SHELL_FILE_HANDLE TempHandle;\r | |
518 | UINT64 FileSize;\r | |
519 | BOOLEAN OutUnicode;\r | |
520 | BOOLEAN InUnicode;\r | |
521 | BOOLEAN ErrUnicode;\r | |
522 | BOOLEAN OutAppend;\r | |
523 | BOOLEAN ErrAppend;\r | |
524 | UINTN Size;\r | |
525 | CHAR16 TagBuffer[2];\r | |
526 | SPLIT_LIST *Split;\r | |
fb84495a | 527 | CHAR16 *FirstLocation;\r |
a405b86d | 528 | \r |
a405b86d | 529 | OutUnicode = TRUE;\r |
530 | InUnicode = TRUE;\r | |
531 | ErrUnicode = TRUE;\r | |
532 | StdInVarName = NULL;\r | |
533 | StdOutVarName = NULL;\r | |
534 | StdErrVarName = NULL;\r | |
535 | StdErrFileName = NULL;\r | |
536 | StdInFileName = NULL;\r | |
537 | StdOutFileName = NULL;\r | |
538 | ErrAppend = FALSE;\r | |
539 | OutAppend = FALSE;\r | |
540 | CommandLineCopy = NULL;\r | |
5f2915f5 | 541 | FirstLocation = NULL;\r |
a405b86d | 542 | \r |
8be0ba36 | 543 | if (ShellParameters == NULL || SystemTableInfo == NULL || OldStdIn == NULL || OldStdOut == NULL || OldStdErr == NULL) {\r |
544 | return (EFI_INVALID_PARAMETER);\r | |
a405b86d | 545 | }\r |
546 | \r | |
8be0ba36 | 547 | SystemTableInfo->ConIn = gST->ConIn;\r |
548 | SystemTableInfo->ConInHandle = gST->ConsoleInHandle;\r | |
549 | SystemTableInfo->ConOut = gST->ConOut;\r | |
550 | SystemTableInfo->ConOutHandle = gST->ConsoleOutHandle;\r | |
551 | SystemTableInfo->ConErr = gST->StdErr;\r | |
552 | SystemTableInfo->ConErrHandle = gST->StandardErrorHandle;\r | |
553 | *OldStdIn = ShellParameters->StdIn;\r | |
554 | *OldStdOut = ShellParameters->StdOut;\r | |
555 | *OldStdErr = ShellParameters->StdErr;\r | |
556 | \r | |
a405b86d | 557 | if (NewCommandLine == NULL) {\r |
558 | return (EFI_SUCCESS);\r | |
559 | }\r | |
560 | \r | |
561 | CommandLineCopy = StrnCatGrow(&CommandLineCopy, NULL, NewCommandLine, 0);\r | |
562 | Status = EFI_SUCCESS;\r | |
563 | Split = NULL;\r | |
5f2915f5 | 564 | FirstLocation = CommandLineCopy + StrLen(CommandLineCopy);\r |
a405b86d | 565 | \r |
fb84495a | 566 | StripQuotes(CommandLineCopy);\r |
567 | \r | |
a405b86d | 568 | if (!IsListEmpty(&ShellInfoObject.SplitList.Link)) {\r |
569 | Split = (SPLIT_LIST*)GetFirstNode(&ShellInfoObject.SplitList.Link);\r | |
570 | if (Split != NULL && Split->SplitStdIn != NULL) {\r | |
571 | ShellParameters->StdIn = Split->SplitStdIn;\r | |
572 | }\r | |
573 | if (Split != NULL && Split->SplitStdOut != NULL) {\r | |
574 | ShellParameters->StdOut = Split->SplitStdOut;\r | |
575 | }\r | |
576 | }\r | |
577 | \r | |
578 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2>>v ")) != NULL) {\r | |
fb84495a | 579 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 580 | SetMem16(CommandLineWalker, 12, L' ');\r |
a405b86d | 581 | StdErrVarName = CommandLineWalker += 6;\r |
582 | ErrAppend = TRUE;\r | |
733f138d | 583 | if (StrStr(CommandLineWalker, L" 2>>v ") != NULL) {\r |
584 | Status = EFI_NOT_FOUND;\r | |
585 | }\r | |
a405b86d | 586 | }\r |
587 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>>v ")) != NULL) {\r | |
fb84495a | 588 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 589 | SetMem16(CommandLineWalker, 12, L' ');\r |
a405b86d | 590 | StdOutVarName = CommandLineWalker += 6;\r |
591 | OutAppend = TRUE;\r | |
733f138d | 592 | if (StrStr(CommandLineWalker, L" 1>>v ") != NULL) {\r |
593 | Status = EFI_NOT_FOUND;\r | |
594 | }\r | |
a405b86d | 595 | } else if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >>v ")) != NULL) {\r |
fb84495a | 596 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 597 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 598 | StdOutVarName = CommandLineWalker += 5;\r |
599 | OutAppend = TRUE;\r | |
733f138d | 600 | if (StrStr(CommandLineWalker, L" >>v ") != NULL) {\r |
601 | Status = EFI_NOT_FOUND;\r | |
602 | }\r | |
a405b86d | 603 | } else if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >v ")) != NULL) {\r |
fb84495a | 604 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 605 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 606 | StdOutVarName = CommandLineWalker += 4;\r |
607 | OutAppend = FALSE;\r | |
733f138d | 608 | if (StrStr(CommandLineWalker, L" >v ") != NULL) {\r |
609 | Status = EFI_NOT_FOUND;\r | |
610 | }\r | |
a405b86d | 611 | }\r |
612 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>>a ")) != NULL) {\r | |
fb84495a | 613 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 614 | SetMem16(CommandLineWalker, 12, L' ');\r |
a405b86d | 615 | StdOutFileName = CommandLineWalker += 6;\r |
616 | OutAppend = TRUE;\r | |
617 | OutUnicode = FALSE;\r | |
733f138d | 618 | if (StrStr(CommandLineWalker, L" 1>>a ") != NULL) {\r |
619 | Status = EFI_NOT_FOUND;\r | |
620 | }\r | |
a405b86d | 621 | }\r |
622 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>> ")) != NULL) {\r | |
fb84495a | 623 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 624 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 625 | if (StdOutFileName != NULL) {\r |
626 | Status = EFI_INVALID_PARAMETER;\r | |
627 | } else {\r | |
628 | StdOutFileName = CommandLineWalker += 5;\r | |
629 | OutAppend = TRUE;\r | |
630 | }\r | |
733f138d | 631 | if (StrStr(CommandLineWalker, L" 1>> ") != NULL) {\r |
632 | Status = EFI_NOT_FOUND;\r | |
633 | }\r | |
a405b86d | 634 | } \r |
635 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >> ")) != NULL) {\r | |
fb84495a | 636 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 637 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 638 | if (StdOutFileName != NULL) {\r |
639 | Status = EFI_INVALID_PARAMETER;\r | |
640 | } else {\r | |
641 | StdOutFileName = CommandLineWalker += 4;\r | |
642 | OutAppend = TRUE;\r | |
643 | }\r | |
733f138d | 644 | if (StrStr(CommandLineWalker, L" >> ") != NULL) {\r |
645 | Status = EFI_NOT_FOUND;\r | |
646 | }\r | |
a405b86d | 647 | }\r |
648 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >>a ")) != NULL) {\r | |
fb84495a | 649 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 650 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 651 | if (StdOutFileName != NULL) {\r |
652 | Status = EFI_INVALID_PARAMETER;\r | |
653 | } else {\r | |
654 | StdOutFileName = CommandLineWalker += 5;\r | |
655 | OutAppend = TRUE;\r | |
656 | OutUnicode = FALSE;\r | |
657 | }\r | |
733f138d | 658 | if (StrStr(CommandLineWalker, L" >>a ") != NULL) {\r |
659 | Status = EFI_NOT_FOUND;\r | |
660 | }\r | |
a405b86d | 661 | } \r |
662 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>a ")) != NULL) {\r | |
fb84495a | 663 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 664 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 665 | if (StdOutFileName != NULL) {\r |
666 | Status = EFI_INVALID_PARAMETER;\r | |
667 | } else {\r | |
668 | StdOutFileName = CommandLineWalker += 5;\r | |
669 | OutAppend = FALSE;\r | |
670 | OutUnicode = FALSE;\r | |
671 | }\r | |
733f138d | 672 | if (StrStr(CommandLineWalker, L" 1>a ") != NULL) {\r |
673 | Status = EFI_NOT_FOUND;\r | |
674 | }\r | |
a405b86d | 675 | } \r |
676 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >a ")) != NULL) {\r | |
fb84495a | 677 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 678 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 679 | if (StdOutFileName != NULL) {\r |
680 | Status = EFI_INVALID_PARAMETER;\r | |
681 | } else {\r | |
682 | StdOutFileName = CommandLineWalker += 4;\r | |
683 | OutAppend = FALSE;\r | |
684 | OutUnicode = FALSE;\r | |
685 | }\r | |
733f138d | 686 | if (StrStr(CommandLineWalker, L" >a ") != NULL) {\r |
687 | Status = EFI_NOT_FOUND;\r | |
688 | }\r | |
a405b86d | 689 | }\r |
690 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2>> ")) != NULL) {\r | |
fb84495a | 691 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 692 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 693 | if (StdErrFileName != NULL) {\r |
694 | Status = EFI_INVALID_PARAMETER;\r | |
695 | } else {\r | |
696 | StdErrFileName = CommandLineWalker += 5;\r | |
697 | ErrAppend = TRUE;\r | |
698 | }\r | |
733f138d | 699 | if (StrStr(CommandLineWalker, L" 2>> ") != NULL) {\r |
700 | Status = EFI_NOT_FOUND;\r | |
701 | }\r | |
a405b86d | 702 | }\r |
703 | \r | |
704 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2>v ")) != NULL) {\r | |
fb84495a | 705 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 706 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 707 | if (StdErrVarName != NULL) {\r |
708 | Status = EFI_INVALID_PARAMETER;\r | |
709 | } else {\r | |
710 | StdErrVarName = CommandLineWalker += 5;\r | |
711 | ErrAppend = FALSE;\r | |
712 | }\r | |
733f138d | 713 | if (StrStr(CommandLineWalker, L" 2>v ") != NULL) {\r |
714 | Status = EFI_NOT_FOUND;\r | |
715 | }\r | |
a405b86d | 716 | }\r |
717 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>v ")) != NULL) {\r | |
fb84495a | 718 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 719 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 720 | if (StdOutVarName != NULL) {\r |
721 | Status = EFI_INVALID_PARAMETER;\r | |
722 | } else {\r | |
723 | StdOutVarName = CommandLineWalker += 5;\r | |
724 | OutAppend = FALSE;\r | |
725 | }\r | |
733f138d | 726 | if (StrStr(CommandLineWalker, L" 1>v ") != NULL) {\r |
727 | Status = EFI_NOT_FOUND;\r | |
728 | }\r | |
a405b86d | 729 | }\r |
730 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2>a ")) != NULL) {\r | |
fb84495a | 731 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 732 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 733 | if (StdErrFileName != NULL) {\r |
734 | Status = EFI_INVALID_PARAMETER;\r | |
735 | } else {\r | |
736 | StdErrFileName = CommandLineWalker += 5;\r | |
737 | ErrAppend = FALSE;\r | |
738 | ErrUnicode = FALSE;\r | |
739 | }\r | |
733f138d | 740 | if (StrStr(CommandLineWalker, L" 2>a ") != NULL) {\r |
741 | Status = EFI_NOT_FOUND;\r | |
742 | }\r | |
a405b86d | 743 | }\r |
744 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2> ")) != NULL) {\r | |
fb84495a | 745 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 746 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 747 | if (StdErrFileName != NULL) {\r |
748 | Status = EFI_INVALID_PARAMETER;\r | |
749 | } else {\r | |
750 | StdErrFileName = CommandLineWalker += 4;\r | |
751 | ErrAppend = FALSE;\r | |
752 | }\r | |
733f138d | 753 | if (StrStr(CommandLineWalker, L" 2> ") != NULL) {\r |
754 | Status = EFI_NOT_FOUND;\r | |
755 | }\r | |
a405b86d | 756 | }\r |
757 | \r | |
758 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1> ")) != NULL) {\r | |
fb84495a | 759 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 760 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 761 | if (StdOutFileName != NULL) {\r |
762 | Status = EFI_INVALID_PARAMETER;\r | |
763 | } else {\r | |
764 | StdOutFileName = CommandLineWalker += 4;\r | |
765 | OutAppend = FALSE;\r | |
766 | }\r | |
733f138d | 767 | if (StrStr(CommandLineWalker, L" 1> ") != NULL) {\r |
768 | Status = EFI_NOT_FOUND;\r | |
769 | }\r | |
a405b86d | 770 | }\r |
771 | \r | |
772 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" > ")) != NULL) {\r | |
fb84495a | 773 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 774 | SetMem16(CommandLineWalker, 6, L' ');\r |
a405b86d | 775 | if (StdOutFileName != NULL) {\r |
776 | Status = EFI_INVALID_PARAMETER;\r | |
777 | } else {\r | |
778 | StdOutFileName = CommandLineWalker += 3;\r | |
779 | OutAppend = FALSE;\r | |
780 | }\r | |
733f138d | 781 | if (StrStr(CommandLineWalker, L" > ") != NULL) {\r |
782 | Status = EFI_NOT_FOUND;\r | |
783 | }\r | |
a405b86d | 784 | }\r |
785 | \r | |
786 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" < ")) != NULL) {\r | |
fb84495a | 787 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 788 | SetMem16(CommandLineWalker, 6, L' ');\r |
a405b86d | 789 | if (StdInFileName != NULL) {\r |
790 | Status = EFI_INVALID_PARAMETER;\r | |
791 | } else {\r | |
792 | StdInFileName = CommandLineWalker += 3;\r | |
733f138d | 793 | }\r |
794 | if (StrStr(CommandLineWalker, L" < ") != NULL) {\r | |
795 | Status = EFI_NOT_FOUND;\r | |
a405b86d | 796 | }\r |
797 | }\r | |
798 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" <a ")) != NULL) {\r | |
fb84495a | 799 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 800 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 801 | if (StdInFileName != NULL) {\r |
802 | Status = EFI_INVALID_PARAMETER;\r | |
803 | } else {\r | |
733f138d | 804 | StdInFileName = CommandLineWalker += 4;\r |
805 | InUnicode = FALSE;\r | |
806 | }\r | |
807 | if (StrStr(CommandLineWalker, L" <a ") != NULL) {\r | |
808 | Status = EFI_NOT_FOUND;\r | |
a405b86d | 809 | }\r |
810 | }\r | |
811 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" <v ")) != NULL) {\r | |
fb84495a | 812 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 813 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 814 | if (StdInVarName != NULL) {\r |
815 | Status = EFI_INVALID_PARAMETER;\r | |
816 | } else {\r | |
817 | StdInVarName = CommandLineWalker += 4;\r | |
733f138d | 818 | }\r |
819 | if (StrStr(CommandLineWalker, L" <v ") != NULL) {\r | |
820 | Status = EFI_NOT_FOUND;\r | |
a405b86d | 821 | }\r |
822 | }\r | |
823 | \r | |
5f2915f5 | 824 | if (FirstLocation != CommandLineCopy + StrLen(CommandLineCopy)\r |
fb84495a | 825 | && ((UINTN)(FirstLocation - CommandLineCopy) < StrLen(NewCommandLine))\r |
826 | ){\r | |
827 | *(NewCommandLine + (UINTN)(FirstLocation - CommandLineCopy)) = CHAR_NULL;\r | |
828 | }\r | |
829 | \r | |
a405b86d | 830 | if (!EFI_ERROR(Status)) {\r |
831 | if (StdErrFileName != NULL && (CommandLineWalker = StrStr(StdErrFileName, L" ")) != NULL) {\r | |
832 | CommandLineWalker[0] = CHAR_NULL;\r | |
833 | }\r | |
834 | if (StdOutFileName != NULL && (CommandLineWalker = StrStr(StdOutFileName, L" ")) != NULL) {\r | |
835 | CommandLineWalker[0] = CHAR_NULL;\r | |
836 | }\r | |
837 | if (StdInFileName != NULL && (CommandLineWalker = StrStr(StdInFileName , L" ")) != NULL) {\r | |
838 | CommandLineWalker[0] = CHAR_NULL;\r | |
839 | }\r | |
840 | if (StdErrVarName != NULL && (CommandLineWalker = StrStr(StdErrVarName , L" ")) != NULL) {\r | |
841 | CommandLineWalker[0] = CHAR_NULL;\r | |
842 | }\r | |
843 | if (StdOutVarName != NULL && (CommandLineWalker = StrStr(StdOutVarName , L" ")) != NULL) {\r | |
844 | CommandLineWalker[0] = CHAR_NULL;\r | |
845 | }\r | |
846 | if (StdInVarName != NULL && (CommandLineWalker = StrStr(StdInVarName , L" ")) != NULL) {\r | |
847 | CommandLineWalker[0] = CHAR_NULL;\r | |
848 | }\r | |
849 | \r | |
0c956e0d | 850 | //\r |
851 | // Verify not the same and not duplicating something from a split\r | |
852 | //\r | |
733f138d | 853 | if (\r |
854 | //\r | |
855 | // Check that no 2 filenames are the same\r | |
856 | //\r | |
fb84495a | 857 | (StdErrFileName != NULL && StdOutFileName!= NULL && StringNoCaseCompare(&StdErrFileName, &StdOutFileName) == 0)\r |
a405b86d | 858 | ||(StdErrFileName != NULL && StdInFileName != NULL && StringNoCaseCompare(&StdErrFileName, &StdInFileName ) == 0)\r |
859 | ||(StdOutFileName != NULL && StdInFileName != NULL && StringNoCaseCompare(&StdOutFileName, &StdInFileName ) == 0)\r | |
733f138d | 860 | //\r |
861 | // Check that no 2 variable names are the same\r | |
862 | //\r | |
a405b86d | 863 | ||(StdErrVarName != NULL && StdInVarName != NULL && StringNoCaseCompare(&StdErrVarName , &StdInVarName ) == 0)\r |
864 | ||(StdOutVarName != NULL && StdInVarName != NULL && StringNoCaseCompare(&StdOutVarName , &StdInVarName ) == 0)\r | |
865 | ||(StdErrVarName != NULL && StdOutVarName != NULL && StringNoCaseCompare(&StdErrVarName , &StdOutVarName ) == 0)\r | |
733f138d | 866 | //\r |
867 | // When a split (using | operator) is in place some are not allowed\r | |
868 | //\r | |
a405b86d | 869 | ||(Split != NULL && Split->SplitStdIn != NULL && (StdInVarName != NULL || StdInFileName != NULL))\r |
870 | ||(Split != NULL && Split->SplitStdOut != NULL && (StdOutVarName != NULL || StdOutFileName != NULL))\r | |
733f138d | 871 | //\r |
872 | // Check that nothing is trying to be output to 2 locations.\r | |
873 | //\r | |
a405b86d | 874 | ||(StdErrFileName != NULL && StdErrVarName != NULL)\r |
875 | ||(StdOutFileName != NULL && StdOutVarName != NULL)\r | |
876 | ||(StdInFileName != NULL && StdInVarName != NULL)\r | |
733f138d | 877 | //\r |
733f138d | 878 | // Check for no volatile environment variables\r |
879 | //\r | |
a405b86d | 880 | ||(StdErrVarName != NULL && !IsVolatileEnv(StdErrVarName))\r |
881 | ||(StdOutVarName != NULL && !IsVolatileEnv(StdOutVarName))\r | |
733f138d | 882 | //\r |
883 | // Cant redirect during a reconnect operation.\r | |
884 | //\r | |
3c865f20 | 885 | ||(StrStr(NewCommandLine, L"connect -r") != NULL \r |
886 | && (StdOutVarName != NULL || StdOutFileName != NULL || StdErrFileName != NULL || StdErrVarName != NULL))\r | |
733f138d | 887 | //\r |
888 | // Check that filetypes (Unicode/Ascii) do not change during an append\r | |
889 | //\r | |
890 | ||(StdOutFileName != NULL && OutUnicode && OutAppend && (!EFI_ERROR(ShellFileExists(StdOutFileName)) && EFI_ERROR(IsUnicodeFile(StdOutFileName))))\r | |
891 | ||(StdErrFileName != NULL && ErrUnicode && ErrAppend && (!EFI_ERROR(ShellFileExists(StdErrFileName)) && EFI_ERROR(IsUnicodeFile(StdErrFileName))))\r | |
892 | ||(StdOutFileName != NULL && !OutUnicode && OutAppend && (!EFI_ERROR(ShellFileExists(StdOutFileName)) && !EFI_ERROR(IsUnicodeFile(StdOutFileName))))\r | |
893 | ||(StdErrFileName != NULL && !ErrUnicode && ErrAppend && (!EFI_ERROR(ShellFileExists(StdErrFileName)) && !EFI_ERROR(IsUnicodeFile(StdErrFileName))))\r | |
a405b86d | 894 | ){\r |
895 | Status = EFI_INVALID_PARAMETER;\r | |
fb84495a | 896 | } else if (!EFI_ERROR(Status)){\r |
a405b86d | 897 | //\r |
898 | // Open the Std<Whatever> and we should not have conflicts here...\r | |
899 | //\r | |
900 | \r | |
901 | //\r | |
902 | // StdErr to a file\r | |
903 | //\r | |
904 | if (StdErrFileName != NULL) {\r | |
905 | if (!ErrAppend) {\r | |
906 | //\r | |
907 | // delete existing file.\r | |
908 | //\r | |
909 | ShellInfoObject.NewEfiShellProtocol->DeleteFileByName(StdErrFileName);\r | |
910 | }\r | |
911 | Status = ShellOpenFileByName(StdErrFileName, &TempHandle, EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ|EFI_FILE_MODE_CREATE,0);\r | |
a405b86d | 912 | if (!ErrAppend && ErrUnicode && !EFI_ERROR(Status)) {\r |
913 | //\r | |
733f138d | 914 | // Write out the gUnicodeFileTag\r |
a405b86d | 915 | //\r |
916 | Size = sizeof(CHAR16);\r | |
733f138d | 917 | TagBuffer[0] = gUnicodeFileTag;\r |
a405b86d | 918 | TagBuffer[1] = CHAR_NULL;\r |
919 | ShellInfoObject.NewEfiShellProtocol->WriteFile(TempHandle, &Size, TagBuffer);\r | |
920 | }\r | |
921 | if (!ErrUnicode && !EFI_ERROR(Status)) {\r | |
922 | TempHandle = CreateFileInterfaceFile(TempHandle, FALSE);\r | |
923 | ASSERT(TempHandle != NULL);\r | |
924 | }\r | |
925 | if (!EFI_ERROR(Status)) {\r | |
926 | ShellParameters->StdErr = TempHandle;\r | |
8be0ba36 | 927 | gST->StdErr = CreateSimpleTextOutOnFile(TempHandle, &gST->StandardErrorHandle);\r |
a405b86d | 928 | }\r |
929 | }\r | |
930 | \r | |
931 | //\r | |
932 | // StdOut to a file\r | |
933 | //\r | |
934 | if (!EFI_ERROR(Status) && StdOutFileName != NULL) {\r | |
935 | if (!OutAppend) {\r | |
936 | //\r | |
937 | // delete existing file.\r | |
938 | //\r | |
939 | ShellInfoObject.NewEfiShellProtocol->DeleteFileByName(StdOutFileName);\r | |
940 | }\r | |
941 | Status = ShellOpenFileByName(StdOutFileName, &TempHandle, EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ|EFI_FILE_MODE_CREATE,0);\r | |
3c865f20 | 942 | if (TempHandle == NULL) {\r |
943 | Status = EFI_INVALID_PARAMETER;\r | |
944 | } else {\r | |
733f138d | 945 | if (StrStr(StdOutFileName, L"NUL")==StdOutFileName) {\r |
946 | //no-op\r | |
947 | } else if (!OutAppend && OutUnicode && !EFI_ERROR(Status)) {\r | |
3c865f20 | 948 | //\r |
733f138d | 949 | // Write out the gUnicodeFileTag\r |
3c865f20 | 950 | //\r |
951 | Size = sizeof(CHAR16);\r | |
733f138d | 952 | TagBuffer[0] = gUnicodeFileTag;\r |
3c865f20 | 953 | TagBuffer[1] = CHAR_NULL;\r |
954 | ShellInfoObject.NewEfiShellProtocol->WriteFile(TempHandle, &Size, TagBuffer);\r | |
955 | } else if (OutAppend) {\r | |
956 | //\r | |
957 | // Move to end of file\r | |
958 | //\r | |
959 | Status = ShellInfoObject.NewEfiShellProtocol->GetFileSize(TempHandle, &FileSize);\r | |
960 | if (!EFI_ERROR(Status)) {\r | |
961 | Status = ShellInfoObject.NewEfiShellProtocol->SetFilePosition(TempHandle, FileSize);\r | |
962 | }\r | |
963 | }\r | |
964 | if (!OutUnicode && !EFI_ERROR(Status)) {\r | |
965 | TempHandle = CreateFileInterfaceFile(TempHandle, FALSE);\r | |
966 | ASSERT(TempHandle != NULL);\r | |
967 | }\r | |
a405b86d | 968 | if (!EFI_ERROR(Status)) {\r |
3c865f20 | 969 | ShellParameters->StdOut = TempHandle;\r |
8be0ba36 | 970 | gST->ConOut = CreateSimpleTextOutOnFile(TempHandle, &gST->ConsoleOutHandle);\r |
a405b86d | 971 | }\r |
972 | }\r | |
a405b86d | 973 | }\r |
974 | \r | |
975 | //\r | |
976 | // StdOut to a var\r | |
977 | //\r | |
978 | if (!EFI_ERROR(Status) && StdOutVarName != NULL) {\r | |
979 | if (!OutAppend) {\r | |
980 | //\r | |
981 | // delete existing variable.\r | |
982 | //\r | |
983 | SHELL_SET_ENVIRONMENT_VARIABLE_V(StdOutVarName, 0, L"");\r | |
984 | }\r | |
985 | TempHandle = CreateFileInterfaceEnv(StdOutVarName);\r | |
986 | ASSERT(TempHandle != NULL);\r | |
a405b86d | 987 | ShellParameters->StdOut = TempHandle;\r |
8be0ba36 | 988 | gST->ConOut = CreateSimpleTextOutOnFile(TempHandle, &gST->ConsoleOutHandle);\r |
a405b86d | 989 | }\r |
990 | \r | |
991 | //\r | |
992 | // StdErr to a var\r | |
993 | //\r | |
994 | if (!EFI_ERROR(Status) && StdErrVarName != NULL) {\r | |
995 | if (!ErrAppend) {\r | |
996 | //\r | |
997 | // delete existing variable.\r | |
998 | //\r | |
999 | SHELL_SET_ENVIRONMENT_VARIABLE_V(StdErrVarName, 0, L"");\r | |
1000 | }\r | |
1001 | TempHandle = CreateFileInterfaceEnv(StdErrVarName);\r | |
1002 | ASSERT(TempHandle != NULL);\r | |
a405b86d | 1003 | ShellParameters->StdErr = TempHandle;\r |
8be0ba36 | 1004 | gST->StdErr = CreateSimpleTextOutOnFile(TempHandle, &gST->StandardErrorHandle);\r |
a405b86d | 1005 | }\r |
1006 | \r | |
1007 | //\r | |
1008 | // StdIn from a var\r | |
1009 | //\r | |
1010 | if (!EFI_ERROR(Status) && StdInVarName != NULL) {\r | |
1011 | TempHandle = CreateFileInterfaceEnv(StdInVarName);\r | |
1012 | if (!InUnicode) {\r | |
1013 | TempHandle = CreateFileInterfaceFile(TempHandle, FALSE);\r | |
1014 | }\r | |
1015 | Size = 0;\r | |
1016 | ASSERT(TempHandle != NULL);\r | |
1017 | if (((EFI_FILE_PROTOCOL*)TempHandle)->Read(TempHandle, &Size, NULL) != EFI_BUFFER_TOO_SMALL) {\r | |
1018 | Status = EFI_INVALID_PARAMETER;\r | |
1019 | } else {\r | |
1020 | ShellParameters->StdIn = TempHandle;\r | |
8be0ba36 | 1021 | gST->ConIn = CreateSimpleTextInOnFile(TempHandle, &gST->ConsoleInHandle);\r |
a405b86d | 1022 | }\r |
1023 | }\r | |
1024 | \r | |
1025 | //\r | |
1026 | // StdIn from a file\r | |
1027 | //\r | |
1028 | if (!EFI_ERROR(Status) && StdInFileName != NULL) {\r | |
1029 | Status = ShellOpenFileByName(\r | |
1030 | StdInFileName,\r | |
1031 | &TempHandle,\r | |
1032 | EFI_FILE_MODE_READ,\r | |
1033 | 0);\r | |
1034 | if (!InUnicode && !EFI_ERROR(Status)) {\r | |
1035 | TempHandle = CreateFileInterfaceFile(TempHandle, FALSE);\r | |
1036 | }\r | |
1037 | if (!EFI_ERROR(Status)) {\r | |
1038 | ShellParameters->StdIn = TempHandle;\r | |
8be0ba36 | 1039 | gST->ConIn = CreateSimpleTextInOnFile(TempHandle, &gST->ConsoleInHandle);\r |
a405b86d | 1040 | }\r |
1041 | }\r | |
1042 | }\r | |
1043 | }\r | |
1044 | FreePool(CommandLineCopy);\r | |
8be0ba36 | 1045 | \r |
1046 | if (gST->ConIn == NULL ||gST->ConOut == NULL) {\r | |
1047 | return (EFI_OUT_OF_RESOURCES);\r | |
1048 | }\r | |
a405b86d | 1049 | return (Status);\r |
1050 | }\r | |
1051 | \r | |
1052 | /**\r | |
1053 | Funcion will replace the current StdIn and StdOut in the ShellParameters protocol\r | |
1054 | structure with StdIn and StdOut. The current values are de-allocated.\r | |
1055 | \r | |
8be0ba36 | 1056 | @param[in,out] ShellParameters Pointer to parameter structure to modify.\r |
1057 | @param[in] OldStdIn Pointer to old StdIn.\r | |
1058 | @param[in] OldStdOut Pointer to old StdOut.\r | |
1059 | @param[in] OldStdErr Pointer to old StdErr.\r | |
1060 | @param[in] SystemTableInfo Pointer to old system table information.\r | |
a405b86d | 1061 | **/\r |
1062 | EFI_STATUS\r | |
1063 | EFIAPI\r | |
1064 | RestoreStdInStdOutStdErr (\r | |
1065 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *ShellParameters,\r | |
8be0ba36 | 1066 | IN SHELL_FILE_HANDLE *OldStdIn,\r |
1067 | IN SHELL_FILE_HANDLE *OldStdOut,\r | |
1068 | IN SHELL_FILE_HANDLE *OldStdErr,\r | |
1069 | IN SYSTEM_TABLE_INFO *SystemTableInfo\r | |
a405b86d | 1070 | )\r |
1071 | {\r | |
1072 | SPLIT_LIST *Split;\r | |
8be0ba36 | 1073 | \r |
1074 | if (ShellParameters == NULL \r | |
1075 | ||OldStdIn == NULL\r | |
1076 | ||OldStdOut == NULL\r | |
1077 | ||OldStdErr == NULL\r | |
1078 | ||SystemTableInfo == NULL) {\r | |
1079 | return (EFI_INVALID_PARAMETER);\r | |
1080 | }\r | |
a405b86d | 1081 | if (!IsListEmpty(&ShellInfoObject.SplitList.Link)) {\r |
1082 | Split = (SPLIT_LIST*)GetFirstNode(&ShellInfoObject.SplitList.Link);\r | |
1083 | } else {\r | |
1084 | Split = NULL;\r | |
1085 | }\r | |
8be0ba36 | 1086 | if (ShellParameters->StdIn != *OldStdIn) {\r |
a405b86d | 1087 | if ((Split != NULL && Split->SplitStdIn != ShellParameters->StdIn) || Split == NULL) {\r |
1088 | gEfiShellProtocol->CloseFile(ShellParameters->StdIn);\r | |
1089 | }\r | |
8be0ba36 | 1090 | ShellParameters->StdIn = *OldStdIn;\r |
a405b86d | 1091 | }\r |
8be0ba36 | 1092 | if (ShellParameters->StdOut != *OldStdOut) {\r |
a405b86d | 1093 | if ((Split != NULL && Split->SplitStdOut != ShellParameters->StdOut) || Split == NULL) {\r |
1094 | gEfiShellProtocol->CloseFile(ShellParameters->StdOut);\r | |
1095 | }\r | |
8be0ba36 | 1096 | ShellParameters->StdOut = *OldStdOut;\r |
1097 | }\r | |
1098 | if (ShellParameters->StdErr != *OldStdErr) {\r | |
1099 | gEfiShellProtocol->CloseFile(ShellParameters->StdErr);\r | |
1100 | ShellParameters->StdErr = *OldStdErr;\r | |
1101 | }\r | |
1102 | \r | |
1103 | if (gST->ConIn != SystemTableInfo->ConIn) {\r | |
1104 | CloseSimpleTextInOnFile(gST->ConIn);\r | |
1105 | gST->ConIn = SystemTableInfo->ConIn;\r | |
1106 | gST->ConsoleInHandle = SystemTableInfo->ConInHandle;\r | |
a405b86d | 1107 | }\r |
8be0ba36 | 1108 | if (gST->ConOut != SystemTableInfo->ConOut) {\r |
1109 | CloseSimpleTextOutOnFile(gST->ConOut);\r | |
1110 | gST->ConOut = SystemTableInfo->ConOut;\r | |
1111 | gST->ConsoleOutHandle = SystemTableInfo->ConOutHandle;\r | |
1112 | }\r | |
1113 | if (gST->StdErr != SystemTableInfo->ConErr) {\r | |
1114 | CloseSimpleTextOutOnFile(gST->StdErr);\r | |
1115 | gST->StdErr = SystemTableInfo->ConErr;\r | |
1116 | gST->StandardErrorHandle = SystemTableInfo->ConErrHandle;\r | |
1117 | }\r | |
1118 | \r | |
a405b86d | 1119 | return (EFI_SUCCESS);\r |
1120 | }\r | |
1121 | /**\r | |
1122 | Funcion will replace the current Argc and Argv in the ShellParameters protocol\r | |
1123 | structure by parsing NewCommandLine. The current values are returned to the\r | |
1124 | user.\r | |
1125 | \r | |
1126 | If OldArgv or OldArgc is NULL then that value is not returned.\r | |
1127 | \r | |
1128 | @param[in,out] ShellParameters Pointer to parameter structure to modify.\r | |
1129 | @param[in] NewCommandLine The new command line to parse and use.\r | |
1130 | @param[out] OldArgv Pointer to old list of parameters.\r | |
1131 | @param[out] OldArgc Pointer to old number of items in Argv list.\r | |
1132 | \r | |
1133 | @retval EFI_SUCCESS Operation was sucessful, Argv and Argc are valid.\r | |
1134 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
1135 | **/\r | |
1136 | EFI_STATUS\r | |
1137 | EFIAPI\r | |
1138 | UpdateArgcArgv(\r | |
1139 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *ShellParameters,\r | |
1140 | IN CONST CHAR16 *NewCommandLine,\r | |
1141 | OUT CHAR16 ***OldArgv OPTIONAL,\r | |
1142 | OUT UINTN *OldArgc OPTIONAL\r | |
1143 | )\r | |
1144 | {\r | |
1145 | ASSERT(ShellParameters != NULL);\r | |
1146 | \r | |
1147 | if (OldArgc != NULL) {\r | |
1148 | *OldArgc = ShellParameters->Argc;\r | |
1149 | }\r | |
1150 | if (OldArgc != NULL) {\r | |
1151 | *OldArgv = ShellParameters->Argv;\r | |
1152 | }\r | |
1153 | \r | |
1154 | return (ParseCommandLineToArgs(NewCommandLine, &(ShellParameters->Argv), &(ShellParameters->Argc)));\r | |
1155 | }\r | |
1156 | \r | |
1157 | /**\r | |
1158 | Funcion will replace the current Argc and Argv in the ShellParameters protocol\r | |
1159 | structure with Argv and Argc. The current values are de-allocated and the\r | |
1160 | OldArgv must not be deallocated by the caller.\r | |
1161 | \r | |
1162 | @param[in,out] ShellParameters pointer to parameter structure to modify\r | |
1163 | @param[in] OldArgv pointer to old list of parameters\r | |
1164 | @param[in] OldArgc pointer to old number of items in Argv list\r | |
1165 | **/\r | |
1166 | VOID\r | |
1167 | EFIAPI\r | |
1168 | RestoreArgcArgv(\r | |
1169 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *ShellParameters,\r | |
1170 | IN CHAR16 ***OldArgv,\r | |
1171 | IN UINTN *OldArgc\r | |
1172 | )\r | |
1173 | {\r | |
1174 | UINTN LoopCounter;\r | |
1175 | ASSERT(ShellParameters != NULL);\r | |
1176 | ASSERT(OldArgv != NULL);\r | |
1177 | ASSERT(OldArgc != NULL);\r | |
1178 | \r | |
1179 | if (ShellParameters->Argv != NULL) {\r | |
1180 | for ( LoopCounter = 0\r | |
1181 | ; LoopCounter < ShellParameters->Argc\r | |
1182 | ; LoopCounter++\r | |
1183 | ){\r | |
1184 | FreePool(ShellParameters->Argv[LoopCounter]);\r | |
1185 | }\r | |
1186 | FreePool(ShellParameters->Argv);\r | |
1187 | }\r | |
1188 | ShellParameters->Argv = *OldArgv;\r | |
1189 | *OldArgv = NULL;\r | |
1190 | ShellParameters->Argc = *OldArgc;\r | |
1191 | *OldArgc = 0;\r | |
1192 | }\r |