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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 | |
458 | **/\r | |
459 | VOID\r | |
460 | EFIAPI\r | |
461 | StripQuotes (\r | |
462 | IN OUT CHAR16 *TheString\r | |
463 | )\r | |
464 | {\r | |
465 | BOOLEAN RemoveNow;\r | |
466 | \r | |
467 | for (RemoveNow = FALSE ; TheString != NULL && *TheString != CHAR_NULL ; TheString++) {\r | |
468 | if (*TheString == L'^' && *(TheString + 1) == L'\"') {\r | |
469 | TheString++;\r | |
470 | } else if (*TheString == L'\"') {\r | |
471 | RemoveNow = (BOOLEAN)!RemoveNow;\r | |
472 | } else if (RemoveNow) {\r | |
473 | *TheString = L' ';\r | |
474 | }\r | |
475 | }\r | |
476 | }\r | |
477 | \r | |
a405b86d | 478 | /**\r |
479 | Funcion will replace the current StdIn and StdOut in the ShellParameters protocol\r | |
480 | structure by parsing NewCommandLine. The current values are returned to the\r | |
481 | user.\r | |
482 | \r | |
8be0ba36 | 483 | This will also update the system table.\r |
a405b86d | 484 | \r |
485 | @param[in,out] ShellParameters Pointer to parameter structure to modify.\r | |
486 | @param[in] NewCommandLine The new command line to parse and use.\r | |
487 | @param[out] OldStdIn Pointer to old StdIn.\r | |
488 | @param[out] OldStdOut Pointer to old StdOut.\r | |
489 | @param[out] OldStdErr Pointer to old StdErr.\r | |
8be0ba36 | 490 | @param[out] SystemTableInfo Pointer to old system table information.\r |
a405b86d | 491 | \r |
492 | @retval EFI_SUCCESS Operation was sucessful, Argv and Argc are valid.\r | |
493 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
494 | **/\r | |
495 | EFI_STATUS\r | |
496 | EFIAPI\r | |
497 | UpdateStdInStdOutStdErr(\r | |
498 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *ShellParameters,\r | |
fb84495a | 499 | IN CHAR16 *NewCommandLine,\r |
a405b86d | 500 | OUT SHELL_FILE_HANDLE *OldStdIn,\r |
501 | OUT SHELL_FILE_HANDLE *OldStdOut,\r | |
8be0ba36 | 502 | OUT SHELL_FILE_HANDLE *OldStdErr,\r |
503 | OUT SYSTEM_TABLE_INFO *SystemTableInfo\r | |
a405b86d | 504 | )\r |
505 | {\r | |
506 | CHAR16 *CommandLineCopy;\r | |
507 | CHAR16 *CommandLineWalker;\r | |
508 | CHAR16 *StdErrFileName;\r | |
509 | CHAR16 *StdOutFileName;\r | |
510 | CHAR16 *StdInFileName;\r | |
511 | CHAR16 *StdInVarName;\r | |
512 | CHAR16 *StdOutVarName;\r | |
513 | CHAR16 *StdErrVarName;\r | |
514 | EFI_STATUS Status;\r | |
515 | SHELL_FILE_HANDLE TempHandle;\r | |
516 | UINT64 FileSize;\r | |
517 | BOOLEAN OutUnicode;\r | |
518 | BOOLEAN InUnicode;\r | |
519 | BOOLEAN ErrUnicode;\r | |
520 | BOOLEAN OutAppend;\r | |
521 | BOOLEAN ErrAppend;\r | |
522 | UINTN Size;\r | |
523 | CHAR16 TagBuffer[2];\r | |
524 | SPLIT_LIST *Split;\r | |
fb84495a | 525 | CHAR16 *FirstLocation;\r |
a405b86d | 526 | \r |
a405b86d | 527 | OutUnicode = TRUE;\r |
528 | InUnicode = TRUE;\r | |
529 | ErrUnicode = TRUE;\r | |
530 | StdInVarName = NULL;\r | |
531 | StdOutVarName = NULL;\r | |
532 | StdErrVarName = NULL;\r | |
533 | StdErrFileName = NULL;\r | |
534 | StdInFileName = NULL;\r | |
535 | StdOutFileName = NULL;\r | |
536 | ErrAppend = FALSE;\r | |
537 | OutAppend = FALSE;\r | |
538 | CommandLineCopy = NULL;\r | |
5f2915f5 | 539 | FirstLocation = NULL;\r |
a405b86d | 540 | \r |
8be0ba36 | 541 | if (ShellParameters == NULL || SystemTableInfo == NULL || OldStdIn == NULL || OldStdOut == NULL || OldStdErr == NULL) {\r |
542 | return (EFI_INVALID_PARAMETER);\r | |
a405b86d | 543 | }\r |
544 | \r | |
8be0ba36 | 545 | SystemTableInfo->ConIn = gST->ConIn;\r |
546 | SystemTableInfo->ConInHandle = gST->ConsoleInHandle;\r | |
547 | SystemTableInfo->ConOut = gST->ConOut;\r | |
548 | SystemTableInfo->ConOutHandle = gST->ConsoleOutHandle;\r | |
549 | SystemTableInfo->ConErr = gST->StdErr;\r | |
550 | SystemTableInfo->ConErrHandle = gST->StandardErrorHandle;\r | |
551 | *OldStdIn = ShellParameters->StdIn;\r | |
552 | *OldStdOut = ShellParameters->StdOut;\r | |
553 | *OldStdErr = ShellParameters->StdErr;\r | |
554 | \r | |
a405b86d | 555 | if (NewCommandLine == NULL) {\r |
556 | return (EFI_SUCCESS);\r | |
557 | }\r | |
558 | \r | |
559 | CommandLineCopy = StrnCatGrow(&CommandLineCopy, NULL, NewCommandLine, 0);\r | |
560 | Status = EFI_SUCCESS;\r | |
561 | Split = NULL;\r | |
5f2915f5 | 562 | FirstLocation = CommandLineCopy + StrLen(CommandLineCopy);\r |
a405b86d | 563 | \r |
fb84495a | 564 | StripQuotes(CommandLineCopy);\r |
565 | \r | |
a405b86d | 566 | if (!IsListEmpty(&ShellInfoObject.SplitList.Link)) {\r |
567 | Split = (SPLIT_LIST*)GetFirstNode(&ShellInfoObject.SplitList.Link);\r | |
568 | if (Split != NULL && Split->SplitStdIn != NULL) {\r | |
569 | ShellParameters->StdIn = Split->SplitStdIn;\r | |
570 | }\r | |
571 | if (Split != NULL && Split->SplitStdOut != NULL) {\r | |
572 | ShellParameters->StdOut = Split->SplitStdOut;\r | |
573 | }\r | |
574 | }\r | |
575 | \r | |
576 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2>>v ")) != NULL) {\r | |
fb84495a | 577 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 578 | SetMem16(CommandLineWalker, 12, L' ');\r |
a405b86d | 579 | StdErrVarName = CommandLineWalker += 6;\r |
580 | ErrAppend = TRUE;\r | |
733f138d | 581 | if (StrStr(CommandLineWalker, L" 2>>v ") != NULL) {\r |
582 | Status = EFI_NOT_FOUND;\r | |
583 | }\r | |
a405b86d | 584 | }\r |
585 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>>v ")) != NULL) {\r | |
fb84495a | 586 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 587 | SetMem16(CommandLineWalker, 12, L' ');\r |
a405b86d | 588 | StdOutVarName = CommandLineWalker += 6;\r |
589 | OutAppend = TRUE;\r | |
733f138d | 590 | if (StrStr(CommandLineWalker, L" 1>>v ") != NULL) {\r |
591 | Status = EFI_NOT_FOUND;\r | |
592 | }\r | |
a405b86d | 593 | } else if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >>v ")) != NULL) {\r |
fb84495a | 594 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 595 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 596 | StdOutVarName = CommandLineWalker += 5;\r |
597 | OutAppend = TRUE;\r | |
733f138d | 598 | if (StrStr(CommandLineWalker, L" >>v ") != NULL) {\r |
599 | Status = EFI_NOT_FOUND;\r | |
600 | }\r | |
a405b86d | 601 | } else if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >v ")) != NULL) {\r |
fb84495a | 602 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 603 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 604 | StdOutVarName = CommandLineWalker += 4;\r |
605 | OutAppend = FALSE;\r | |
733f138d | 606 | if (StrStr(CommandLineWalker, L" >v ") != NULL) {\r |
607 | Status = EFI_NOT_FOUND;\r | |
608 | }\r | |
a405b86d | 609 | }\r |
610 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>>a ")) != NULL) {\r | |
fb84495a | 611 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 612 | SetMem16(CommandLineWalker, 12, L' ');\r |
a405b86d | 613 | StdOutFileName = CommandLineWalker += 6;\r |
614 | OutAppend = TRUE;\r | |
615 | OutUnicode = FALSE;\r | |
733f138d | 616 | if (StrStr(CommandLineWalker, L" 1>>a ") != NULL) {\r |
617 | Status = EFI_NOT_FOUND;\r | |
618 | }\r | |
a405b86d | 619 | }\r |
620 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>> ")) != NULL) {\r | |
fb84495a | 621 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 622 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 623 | if (StdOutFileName != NULL) {\r |
624 | Status = EFI_INVALID_PARAMETER;\r | |
625 | } else {\r | |
626 | StdOutFileName = CommandLineWalker += 5;\r | |
627 | OutAppend = TRUE;\r | |
628 | }\r | |
733f138d | 629 | if (StrStr(CommandLineWalker, L" 1>> ") != NULL) {\r |
630 | Status = EFI_NOT_FOUND;\r | |
631 | }\r | |
a405b86d | 632 | } \r |
633 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >> ")) != NULL) {\r | |
fb84495a | 634 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 635 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 636 | if (StdOutFileName != NULL) {\r |
637 | Status = EFI_INVALID_PARAMETER;\r | |
638 | } else {\r | |
639 | StdOutFileName = CommandLineWalker += 4;\r | |
640 | OutAppend = TRUE;\r | |
641 | }\r | |
733f138d | 642 | if (StrStr(CommandLineWalker, L" >> ") != NULL) {\r |
643 | Status = EFI_NOT_FOUND;\r | |
644 | }\r | |
a405b86d | 645 | }\r |
646 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >>a ")) != NULL) {\r | |
fb84495a | 647 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 648 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 649 | if (StdOutFileName != NULL) {\r |
650 | Status = EFI_INVALID_PARAMETER;\r | |
651 | } else {\r | |
652 | StdOutFileName = CommandLineWalker += 5;\r | |
653 | OutAppend = TRUE;\r | |
654 | OutUnicode = FALSE;\r | |
655 | }\r | |
733f138d | 656 | if (StrStr(CommandLineWalker, L" >>a ") != NULL) {\r |
657 | Status = EFI_NOT_FOUND;\r | |
658 | }\r | |
a405b86d | 659 | } \r |
660 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>a ")) != NULL) {\r | |
fb84495a | 661 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 662 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 663 | if (StdOutFileName != NULL) {\r |
664 | Status = EFI_INVALID_PARAMETER;\r | |
665 | } else {\r | |
666 | StdOutFileName = CommandLineWalker += 5;\r | |
667 | OutAppend = FALSE;\r | |
668 | OutUnicode = FALSE;\r | |
669 | }\r | |
733f138d | 670 | if (StrStr(CommandLineWalker, L" 1>a ") != NULL) {\r |
671 | Status = EFI_NOT_FOUND;\r | |
672 | }\r | |
a405b86d | 673 | } \r |
674 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >a ")) != NULL) {\r | |
fb84495a | 675 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 676 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 677 | if (StdOutFileName != NULL) {\r |
678 | Status = EFI_INVALID_PARAMETER;\r | |
679 | } else {\r | |
680 | StdOutFileName = CommandLineWalker += 4;\r | |
681 | OutAppend = FALSE;\r | |
682 | OutUnicode = FALSE;\r | |
683 | }\r | |
733f138d | 684 | if (StrStr(CommandLineWalker, L" >a ") != NULL) {\r |
685 | Status = EFI_NOT_FOUND;\r | |
686 | }\r | |
a405b86d | 687 | }\r |
688 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2>> ")) != NULL) {\r | |
fb84495a | 689 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 690 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 691 | if (StdErrFileName != NULL) {\r |
692 | Status = EFI_INVALID_PARAMETER;\r | |
693 | } else {\r | |
694 | StdErrFileName = CommandLineWalker += 5;\r | |
695 | ErrAppend = TRUE;\r | |
696 | }\r | |
733f138d | 697 | if (StrStr(CommandLineWalker, L" 2>> ") != NULL) {\r |
698 | Status = EFI_NOT_FOUND;\r | |
699 | }\r | |
a405b86d | 700 | }\r |
701 | \r | |
702 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2>v ")) != NULL) {\r | |
fb84495a | 703 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 704 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 705 | if (StdErrVarName != NULL) {\r |
706 | Status = EFI_INVALID_PARAMETER;\r | |
707 | } else {\r | |
708 | StdErrVarName = CommandLineWalker += 5;\r | |
709 | ErrAppend = FALSE;\r | |
710 | }\r | |
733f138d | 711 | if (StrStr(CommandLineWalker, L" 2>v ") != NULL) {\r |
712 | Status = EFI_NOT_FOUND;\r | |
713 | }\r | |
a405b86d | 714 | }\r |
715 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>v ")) != NULL) {\r | |
fb84495a | 716 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 717 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 718 | if (StdOutVarName != NULL) {\r |
719 | Status = EFI_INVALID_PARAMETER;\r | |
720 | } else {\r | |
721 | StdOutVarName = CommandLineWalker += 5;\r | |
722 | OutAppend = FALSE;\r | |
723 | }\r | |
733f138d | 724 | if (StrStr(CommandLineWalker, L" 1>v ") != NULL) {\r |
725 | Status = EFI_NOT_FOUND;\r | |
726 | }\r | |
a405b86d | 727 | }\r |
728 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2>a ")) != NULL) {\r | |
fb84495a | 729 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 730 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 731 | if (StdErrFileName != NULL) {\r |
732 | Status = EFI_INVALID_PARAMETER;\r | |
733 | } else {\r | |
734 | StdErrFileName = CommandLineWalker += 5;\r | |
735 | ErrAppend = FALSE;\r | |
736 | ErrUnicode = FALSE;\r | |
737 | }\r | |
733f138d | 738 | if (StrStr(CommandLineWalker, L" 2>a ") != NULL) {\r |
739 | Status = EFI_NOT_FOUND;\r | |
740 | }\r | |
a405b86d | 741 | }\r |
742 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2> ")) != NULL) {\r | |
fb84495a | 743 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 744 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 745 | if (StdErrFileName != NULL) {\r |
746 | Status = EFI_INVALID_PARAMETER;\r | |
747 | } else {\r | |
748 | StdErrFileName = CommandLineWalker += 4;\r | |
749 | ErrAppend = FALSE;\r | |
750 | }\r | |
733f138d | 751 | if (StrStr(CommandLineWalker, L" 2> ") != NULL) {\r |
752 | Status = EFI_NOT_FOUND;\r | |
753 | }\r | |
a405b86d | 754 | }\r |
755 | \r | |
756 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1> ")) != NULL) {\r | |
fb84495a | 757 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 758 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 759 | if (StdOutFileName != NULL) {\r |
760 | Status = EFI_INVALID_PARAMETER;\r | |
761 | } else {\r | |
762 | StdOutFileName = CommandLineWalker += 4;\r | |
763 | OutAppend = FALSE;\r | |
764 | }\r | |
733f138d | 765 | if (StrStr(CommandLineWalker, L" 1> ") != NULL) {\r |
766 | Status = EFI_NOT_FOUND;\r | |
767 | }\r | |
a405b86d | 768 | }\r |
769 | \r | |
770 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" > ")) != NULL) {\r | |
fb84495a | 771 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 772 | SetMem16(CommandLineWalker, 6, L' ');\r |
a405b86d | 773 | if (StdOutFileName != NULL) {\r |
774 | Status = EFI_INVALID_PARAMETER;\r | |
775 | } else {\r | |
776 | StdOutFileName = CommandLineWalker += 3;\r | |
777 | OutAppend = FALSE;\r | |
778 | }\r | |
733f138d | 779 | if (StrStr(CommandLineWalker, L" > ") != NULL) {\r |
780 | Status = EFI_NOT_FOUND;\r | |
781 | }\r | |
a405b86d | 782 | }\r |
783 | \r | |
784 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" < ")) != NULL) {\r | |
fb84495a | 785 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 786 | SetMem16(CommandLineWalker, 6, L' ');\r |
a405b86d | 787 | if (StdInFileName != NULL) {\r |
788 | Status = EFI_INVALID_PARAMETER;\r | |
789 | } else {\r | |
790 | StdInFileName = CommandLineWalker += 3;\r | |
733f138d | 791 | }\r |
792 | if (StrStr(CommandLineWalker, L" < ") != NULL) {\r | |
793 | Status = EFI_NOT_FOUND;\r | |
a405b86d | 794 | }\r |
795 | }\r | |
796 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" <a ")) != NULL) {\r | |
fb84495a | 797 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 798 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 799 | if (StdInFileName != NULL) {\r |
800 | Status = EFI_INVALID_PARAMETER;\r | |
801 | } else {\r | |
733f138d | 802 | StdInFileName = CommandLineWalker += 4;\r |
803 | InUnicode = FALSE;\r | |
804 | }\r | |
805 | if (StrStr(CommandLineWalker, L" <a ") != NULL) {\r | |
806 | Status = EFI_NOT_FOUND;\r | |
a405b86d | 807 | }\r |
808 | }\r | |
809 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" <v ")) != NULL) {\r | |
fb84495a | 810 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 811 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 812 | if (StdInVarName != NULL) {\r |
813 | Status = EFI_INVALID_PARAMETER;\r | |
814 | } else {\r | |
815 | StdInVarName = CommandLineWalker += 4;\r | |
733f138d | 816 | }\r |
817 | if (StrStr(CommandLineWalker, L" <v ") != NULL) {\r | |
818 | Status = EFI_NOT_FOUND;\r | |
a405b86d | 819 | }\r |
820 | }\r | |
821 | \r | |
5f2915f5 | 822 | if (FirstLocation != CommandLineCopy + StrLen(CommandLineCopy)\r |
fb84495a | 823 | && ((UINTN)(FirstLocation - CommandLineCopy) < StrLen(NewCommandLine))\r |
824 | ){\r | |
825 | *(NewCommandLine + (UINTN)(FirstLocation - CommandLineCopy)) = CHAR_NULL;\r | |
826 | }\r | |
827 | \r | |
a405b86d | 828 | if (!EFI_ERROR(Status)) {\r |
829 | if (StdErrFileName != NULL && (CommandLineWalker = StrStr(StdErrFileName, L" ")) != NULL) {\r | |
830 | CommandLineWalker[0] = CHAR_NULL;\r | |
831 | }\r | |
832 | if (StdOutFileName != NULL && (CommandLineWalker = StrStr(StdOutFileName, L" ")) != NULL) {\r | |
833 | CommandLineWalker[0] = CHAR_NULL;\r | |
834 | }\r | |
835 | if (StdInFileName != NULL && (CommandLineWalker = StrStr(StdInFileName , L" ")) != NULL) {\r | |
836 | CommandLineWalker[0] = CHAR_NULL;\r | |
837 | }\r | |
838 | if (StdErrVarName != NULL && (CommandLineWalker = StrStr(StdErrVarName , L" ")) != NULL) {\r | |
839 | CommandLineWalker[0] = CHAR_NULL;\r | |
840 | }\r | |
841 | if (StdOutVarName != NULL && (CommandLineWalker = StrStr(StdOutVarName , L" ")) != NULL) {\r | |
842 | CommandLineWalker[0] = CHAR_NULL;\r | |
843 | }\r | |
844 | if (StdInVarName != NULL && (CommandLineWalker = StrStr(StdInVarName , L" ")) != NULL) {\r | |
845 | CommandLineWalker[0] = CHAR_NULL;\r | |
846 | }\r | |
847 | \r | |
0c956e0d | 848 | //\r |
849 | // Verify not the same and not duplicating something from a split\r | |
850 | //\r | |
733f138d | 851 | if (\r |
852 | //\r | |
853 | // Check that no 2 filenames are the same\r | |
854 | //\r | |
fb84495a | 855 | (StdErrFileName != NULL && StdOutFileName!= NULL && StringNoCaseCompare(&StdErrFileName, &StdOutFileName) == 0)\r |
a405b86d | 856 | ||(StdErrFileName != NULL && StdInFileName != NULL && StringNoCaseCompare(&StdErrFileName, &StdInFileName ) == 0)\r |
857 | ||(StdOutFileName != NULL && StdInFileName != NULL && StringNoCaseCompare(&StdOutFileName, &StdInFileName ) == 0)\r | |
733f138d | 858 | //\r |
859 | // Check that no 2 variable names are the same\r | |
860 | //\r | |
a405b86d | 861 | ||(StdErrVarName != NULL && StdInVarName != NULL && StringNoCaseCompare(&StdErrVarName , &StdInVarName ) == 0)\r |
862 | ||(StdOutVarName != NULL && StdInVarName != NULL && StringNoCaseCompare(&StdOutVarName , &StdInVarName ) == 0)\r | |
863 | ||(StdErrVarName != NULL && StdOutVarName != NULL && StringNoCaseCompare(&StdErrVarName , &StdOutVarName ) == 0)\r | |
733f138d | 864 | //\r |
865 | // When a split (using | operator) is in place some are not allowed\r | |
866 | //\r | |
a405b86d | 867 | ||(Split != NULL && Split->SplitStdIn != NULL && (StdInVarName != NULL || StdInFileName != NULL))\r |
868 | ||(Split != NULL && Split->SplitStdOut != NULL && (StdOutVarName != NULL || StdOutFileName != NULL))\r | |
733f138d | 869 | //\r |
870 | // Check that nothing is trying to be output to 2 locations.\r | |
871 | //\r | |
a405b86d | 872 | ||(StdErrFileName != NULL && StdErrVarName != NULL)\r |
873 | ||(StdOutFileName != NULL && StdOutVarName != NULL)\r | |
874 | ||(StdInFileName != NULL && StdInVarName != NULL)\r | |
733f138d | 875 | //\r |
733f138d | 876 | // Check for no volatile environment variables\r |
877 | //\r | |
a405b86d | 878 | ||(StdErrVarName != NULL && !IsVolatileEnv(StdErrVarName))\r |
879 | ||(StdOutVarName != NULL && !IsVolatileEnv(StdOutVarName))\r | |
733f138d | 880 | //\r |
881 | // Cant redirect during a reconnect operation.\r | |
882 | //\r | |
3c865f20 | 883 | ||(StrStr(NewCommandLine, L"connect -r") != NULL \r |
884 | && (StdOutVarName != NULL || StdOutFileName != NULL || StdErrFileName != NULL || StdErrVarName != NULL))\r | |
733f138d | 885 | //\r |
886 | // Check that filetypes (Unicode/Ascii) do not change during an append\r | |
887 | //\r | |
888 | ||(StdOutFileName != NULL && OutUnicode && OutAppend && (!EFI_ERROR(ShellFileExists(StdOutFileName)) && EFI_ERROR(IsUnicodeFile(StdOutFileName))))\r | |
889 | ||(StdErrFileName != NULL && ErrUnicode && ErrAppend && (!EFI_ERROR(ShellFileExists(StdErrFileName)) && EFI_ERROR(IsUnicodeFile(StdErrFileName))))\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 | |
a405b86d | 892 | ){\r |
893 | Status = EFI_INVALID_PARAMETER;\r | |
fb84495a | 894 | } else if (!EFI_ERROR(Status)){\r |
a405b86d | 895 | //\r |
896 | // Open the Std<Whatever> and we should not have conflicts here...\r | |
897 | //\r | |
898 | \r | |
899 | //\r | |
900 | // StdErr to a file\r | |
901 | //\r | |
902 | if (StdErrFileName != NULL) {\r | |
903 | if (!ErrAppend) {\r | |
904 | //\r | |
905 | // delete existing file.\r | |
906 | //\r | |
907 | ShellInfoObject.NewEfiShellProtocol->DeleteFileByName(StdErrFileName);\r | |
908 | }\r | |
909 | Status = ShellOpenFileByName(StdErrFileName, &TempHandle, EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ|EFI_FILE_MODE_CREATE,0);\r | |
a405b86d | 910 | if (!ErrAppend && ErrUnicode && !EFI_ERROR(Status)) {\r |
911 | //\r | |
733f138d | 912 | // Write out the gUnicodeFileTag\r |
a405b86d | 913 | //\r |
914 | Size = sizeof(CHAR16);\r | |
733f138d | 915 | TagBuffer[0] = gUnicodeFileTag;\r |
a405b86d | 916 | TagBuffer[1] = CHAR_NULL;\r |
917 | ShellInfoObject.NewEfiShellProtocol->WriteFile(TempHandle, &Size, TagBuffer);\r | |
918 | }\r | |
919 | if (!ErrUnicode && !EFI_ERROR(Status)) {\r | |
920 | TempHandle = CreateFileInterfaceFile(TempHandle, FALSE);\r | |
921 | ASSERT(TempHandle != NULL);\r | |
922 | }\r | |
923 | if (!EFI_ERROR(Status)) {\r | |
924 | ShellParameters->StdErr = TempHandle;\r | |
8be0ba36 | 925 | gST->StdErr = CreateSimpleTextOutOnFile(TempHandle, &gST->StandardErrorHandle);\r |
a405b86d | 926 | }\r |
927 | }\r | |
928 | \r | |
929 | //\r | |
930 | // StdOut to a file\r | |
931 | //\r | |
932 | if (!EFI_ERROR(Status) && StdOutFileName != NULL) {\r | |
933 | if (!OutAppend) {\r | |
934 | //\r | |
935 | // delete existing file.\r | |
936 | //\r | |
937 | ShellInfoObject.NewEfiShellProtocol->DeleteFileByName(StdOutFileName);\r | |
938 | }\r | |
939 | Status = ShellOpenFileByName(StdOutFileName, &TempHandle, EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ|EFI_FILE_MODE_CREATE,0);\r | |
3c865f20 | 940 | if (TempHandle == NULL) {\r |
941 | Status = EFI_INVALID_PARAMETER;\r | |
942 | } else {\r | |
733f138d | 943 | if (StrStr(StdOutFileName, L"NUL")==StdOutFileName) {\r |
944 | //no-op\r | |
945 | } else if (!OutAppend && OutUnicode && !EFI_ERROR(Status)) {\r | |
3c865f20 | 946 | //\r |
733f138d | 947 | // Write out the gUnicodeFileTag\r |
3c865f20 | 948 | //\r |
949 | Size = sizeof(CHAR16);\r | |
733f138d | 950 | TagBuffer[0] = gUnicodeFileTag;\r |
3c865f20 | 951 | TagBuffer[1] = CHAR_NULL;\r |
952 | ShellInfoObject.NewEfiShellProtocol->WriteFile(TempHandle, &Size, TagBuffer);\r | |
953 | } else if (OutAppend) {\r | |
954 | //\r | |
955 | // Move to end of file\r | |
956 | //\r | |
957 | Status = ShellInfoObject.NewEfiShellProtocol->GetFileSize(TempHandle, &FileSize);\r | |
958 | if (!EFI_ERROR(Status)) {\r | |
959 | Status = ShellInfoObject.NewEfiShellProtocol->SetFilePosition(TempHandle, FileSize);\r | |
960 | }\r | |
961 | }\r | |
962 | if (!OutUnicode && !EFI_ERROR(Status)) {\r | |
963 | TempHandle = CreateFileInterfaceFile(TempHandle, FALSE);\r | |
964 | ASSERT(TempHandle != NULL);\r | |
965 | }\r | |
a405b86d | 966 | if (!EFI_ERROR(Status)) {\r |
3c865f20 | 967 | ShellParameters->StdOut = TempHandle;\r |
8be0ba36 | 968 | gST->ConOut = CreateSimpleTextOutOnFile(TempHandle, &gST->ConsoleOutHandle);\r |
a405b86d | 969 | }\r |
970 | }\r | |
a405b86d | 971 | }\r |
972 | \r | |
973 | //\r | |
974 | // StdOut to a var\r | |
975 | //\r | |
976 | if (!EFI_ERROR(Status) && StdOutVarName != NULL) {\r | |
977 | if (!OutAppend) {\r | |
978 | //\r | |
979 | // delete existing variable.\r | |
980 | //\r | |
981 | SHELL_SET_ENVIRONMENT_VARIABLE_V(StdOutVarName, 0, L"");\r | |
982 | }\r | |
983 | TempHandle = CreateFileInterfaceEnv(StdOutVarName);\r | |
984 | ASSERT(TempHandle != NULL);\r | |
a405b86d | 985 | ShellParameters->StdOut = TempHandle;\r |
8be0ba36 | 986 | gST->ConOut = CreateSimpleTextOutOnFile(TempHandle, &gST->ConsoleOutHandle);\r |
a405b86d | 987 | }\r |
988 | \r | |
989 | //\r | |
990 | // StdErr to a var\r | |
991 | //\r | |
992 | if (!EFI_ERROR(Status) && StdErrVarName != NULL) {\r | |
993 | if (!ErrAppend) {\r | |
994 | //\r | |
995 | // delete existing variable.\r | |
996 | //\r | |
997 | SHELL_SET_ENVIRONMENT_VARIABLE_V(StdErrVarName, 0, L"");\r | |
998 | }\r | |
999 | TempHandle = CreateFileInterfaceEnv(StdErrVarName);\r | |
1000 | ASSERT(TempHandle != NULL);\r | |
a405b86d | 1001 | ShellParameters->StdErr = TempHandle;\r |
8be0ba36 | 1002 | gST->StdErr = CreateSimpleTextOutOnFile(TempHandle, &gST->StandardErrorHandle);\r |
a405b86d | 1003 | }\r |
1004 | \r | |
1005 | //\r | |
1006 | // StdIn from a var\r | |
1007 | //\r | |
1008 | if (!EFI_ERROR(Status) && StdInVarName != NULL) {\r | |
1009 | TempHandle = CreateFileInterfaceEnv(StdInVarName);\r | |
1010 | if (!InUnicode) {\r | |
1011 | TempHandle = CreateFileInterfaceFile(TempHandle, FALSE);\r | |
1012 | }\r | |
1013 | Size = 0;\r | |
1014 | ASSERT(TempHandle != NULL);\r | |
1015 | if (((EFI_FILE_PROTOCOL*)TempHandle)->Read(TempHandle, &Size, NULL) != EFI_BUFFER_TOO_SMALL) {\r | |
1016 | Status = EFI_INVALID_PARAMETER;\r | |
1017 | } else {\r | |
1018 | ShellParameters->StdIn = TempHandle;\r | |
8be0ba36 | 1019 | gST->ConIn = CreateSimpleTextInOnFile(TempHandle, &gST->ConsoleInHandle);\r |
a405b86d | 1020 | }\r |
1021 | }\r | |
1022 | \r | |
1023 | //\r | |
1024 | // StdIn from a file\r | |
1025 | //\r | |
1026 | if (!EFI_ERROR(Status) && StdInFileName != NULL) {\r | |
1027 | Status = ShellOpenFileByName(\r | |
1028 | StdInFileName,\r | |
1029 | &TempHandle,\r | |
1030 | EFI_FILE_MODE_READ,\r | |
1031 | 0);\r | |
1032 | if (!InUnicode && !EFI_ERROR(Status)) {\r | |
1033 | TempHandle = CreateFileInterfaceFile(TempHandle, FALSE);\r | |
1034 | }\r | |
1035 | if (!EFI_ERROR(Status)) {\r | |
1036 | ShellParameters->StdIn = TempHandle;\r | |
8be0ba36 | 1037 | gST->ConIn = CreateSimpleTextInOnFile(TempHandle, &gST->ConsoleInHandle);\r |
a405b86d | 1038 | }\r |
1039 | }\r | |
1040 | }\r | |
1041 | }\r | |
1042 | FreePool(CommandLineCopy);\r | |
8be0ba36 | 1043 | \r |
1044 | if (gST->ConIn == NULL ||gST->ConOut == NULL) {\r | |
1045 | return (EFI_OUT_OF_RESOURCES);\r | |
1046 | }\r | |
a405b86d | 1047 | return (Status);\r |
1048 | }\r | |
1049 | \r | |
1050 | /**\r | |
1051 | Funcion will replace the current StdIn and StdOut in the ShellParameters protocol\r | |
1052 | structure with StdIn and StdOut. The current values are de-allocated.\r | |
1053 | \r | |
8be0ba36 | 1054 | @param[in,out] ShellParameters Pointer to parameter structure to modify.\r |
1055 | @param[in] OldStdIn Pointer to old StdIn.\r | |
1056 | @param[in] OldStdOut Pointer to old StdOut.\r | |
1057 | @param[in] OldStdErr Pointer to old StdErr.\r | |
1058 | @param[in] SystemTableInfo Pointer to old system table information.\r | |
a405b86d | 1059 | **/\r |
1060 | EFI_STATUS\r | |
1061 | EFIAPI\r | |
1062 | RestoreStdInStdOutStdErr (\r | |
1063 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *ShellParameters,\r | |
8be0ba36 | 1064 | IN SHELL_FILE_HANDLE *OldStdIn,\r |
1065 | IN SHELL_FILE_HANDLE *OldStdOut,\r | |
1066 | IN SHELL_FILE_HANDLE *OldStdErr,\r | |
1067 | IN SYSTEM_TABLE_INFO *SystemTableInfo\r | |
a405b86d | 1068 | )\r |
1069 | {\r | |
1070 | SPLIT_LIST *Split;\r | |
8be0ba36 | 1071 | \r |
1072 | if (ShellParameters == NULL \r | |
1073 | ||OldStdIn == NULL\r | |
1074 | ||OldStdOut == NULL\r | |
1075 | ||OldStdErr == NULL\r | |
1076 | ||SystemTableInfo == NULL) {\r | |
1077 | return (EFI_INVALID_PARAMETER);\r | |
1078 | }\r | |
a405b86d | 1079 | if (!IsListEmpty(&ShellInfoObject.SplitList.Link)) {\r |
1080 | Split = (SPLIT_LIST*)GetFirstNode(&ShellInfoObject.SplitList.Link);\r | |
1081 | } else {\r | |
1082 | Split = NULL;\r | |
1083 | }\r | |
8be0ba36 | 1084 | if (ShellParameters->StdIn != *OldStdIn) {\r |
a405b86d | 1085 | if ((Split != NULL && Split->SplitStdIn != ShellParameters->StdIn) || Split == NULL) {\r |
1086 | gEfiShellProtocol->CloseFile(ShellParameters->StdIn);\r | |
1087 | }\r | |
8be0ba36 | 1088 | ShellParameters->StdIn = *OldStdIn;\r |
a405b86d | 1089 | }\r |
8be0ba36 | 1090 | if (ShellParameters->StdOut != *OldStdOut) {\r |
a405b86d | 1091 | if ((Split != NULL && Split->SplitStdOut != ShellParameters->StdOut) || Split == NULL) {\r |
1092 | gEfiShellProtocol->CloseFile(ShellParameters->StdOut);\r | |
1093 | }\r | |
8be0ba36 | 1094 | ShellParameters->StdOut = *OldStdOut;\r |
1095 | }\r | |
1096 | if (ShellParameters->StdErr != *OldStdErr) {\r | |
1097 | gEfiShellProtocol->CloseFile(ShellParameters->StdErr);\r | |
1098 | ShellParameters->StdErr = *OldStdErr;\r | |
1099 | }\r | |
1100 | \r | |
1101 | if (gST->ConIn != SystemTableInfo->ConIn) {\r | |
1102 | CloseSimpleTextInOnFile(gST->ConIn);\r | |
1103 | gST->ConIn = SystemTableInfo->ConIn;\r | |
1104 | gST->ConsoleInHandle = SystemTableInfo->ConInHandle;\r | |
a405b86d | 1105 | }\r |
8be0ba36 | 1106 | if (gST->ConOut != SystemTableInfo->ConOut) {\r |
1107 | CloseSimpleTextOutOnFile(gST->ConOut);\r | |
1108 | gST->ConOut = SystemTableInfo->ConOut;\r | |
1109 | gST->ConsoleOutHandle = SystemTableInfo->ConOutHandle;\r | |
1110 | }\r | |
1111 | if (gST->StdErr != SystemTableInfo->ConErr) {\r | |
1112 | CloseSimpleTextOutOnFile(gST->StdErr);\r | |
1113 | gST->StdErr = SystemTableInfo->ConErr;\r | |
1114 | gST->StandardErrorHandle = SystemTableInfo->ConErrHandle;\r | |
1115 | }\r | |
1116 | \r | |
a405b86d | 1117 | return (EFI_SUCCESS);\r |
1118 | }\r | |
1119 | /**\r | |
1120 | Funcion will replace the current Argc and Argv in the ShellParameters protocol\r | |
1121 | structure by parsing NewCommandLine. The current values are returned to the\r | |
1122 | user.\r | |
1123 | \r | |
1124 | If OldArgv or OldArgc is NULL then that value is not returned.\r | |
1125 | \r | |
1126 | @param[in,out] ShellParameters Pointer to parameter structure to modify.\r | |
1127 | @param[in] NewCommandLine The new command line to parse and use.\r | |
1128 | @param[out] OldArgv Pointer to old list of parameters.\r | |
1129 | @param[out] OldArgc Pointer to old number of items in Argv list.\r | |
1130 | \r | |
1131 | @retval EFI_SUCCESS Operation was sucessful, Argv and Argc are valid.\r | |
1132 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
1133 | **/\r | |
1134 | EFI_STATUS\r | |
1135 | EFIAPI\r | |
1136 | UpdateArgcArgv(\r | |
1137 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *ShellParameters,\r | |
1138 | IN CONST CHAR16 *NewCommandLine,\r | |
1139 | OUT CHAR16 ***OldArgv OPTIONAL,\r | |
1140 | OUT UINTN *OldArgc OPTIONAL\r | |
1141 | )\r | |
1142 | {\r | |
1143 | ASSERT(ShellParameters != NULL);\r | |
1144 | \r | |
1145 | if (OldArgc != NULL) {\r | |
1146 | *OldArgc = ShellParameters->Argc;\r | |
1147 | }\r | |
1148 | if (OldArgc != NULL) {\r | |
1149 | *OldArgv = ShellParameters->Argv;\r | |
1150 | }\r | |
1151 | \r | |
1152 | return (ParseCommandLineToArgs(NewCommandLine, &(ShellParameters->Argv), &(ShellParameters->Argc)));\r | |
1153 | }\r | |
1154 | \r | |
1155 | /**\r | |
1156 | Funcion will replace the current Argc and Argv in the ShellParameters protocol\r | |
1157 | structure with Argv and Argc. The current values are de-allocated and the\r | |
1158 | OldArgv must not be deallocated by the caller.\r | |
1159 | \r | |
1160 | @param[in,out] ShellParameters pointer to parameter structure to modify\r | |
1161 | @param[in] OldArgv pointer to old list of parameters\r | |
1162 | @param[in] OldArgc pointer to old number of items in Argv list\r | |
1163 | **/\r | |
1164 | VOID\r | |
1165 | EFIAPI\r | |
1166 | RestoreArgcArgv(\r | |
1167 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *ShellParameters,\r | |
1168 | IN CHAR16 ***OldArgv,\r | |
1169 | IN UINTN *OldArgc\r | |
1170 | )\r | |
1171 | {\r | |
1172 | UINTN LoopCounter;\r | |
1173 | ASSERT(ShellParameters != NULL);\r | |
1174 | ASSERT(OldArgv != NULL);\r | |
1175 | ASSERT(OldArgc != NULL);\r | |
1176 | \r | |
1177 | if (ShellParameters->Argv != NULL) {\r | |
1178 | for ( LoopCounter = 0\r | |
1179 | ; LoopCounter < ShellParameters->Argc\r | |
1180 | ; LoopCounter++\r | |
1181 | ){\r | |
1182 | FreePool(ShellParameters->Argv[LoopCounter]);\r | |
1183 | }\r | |
1184 | FreePool(ShellParameters->Argv);\r | |
1185 | }\r | |
1186 | ShellParameters->Argv = *OldArgv;\r | |
1187 | *OldArgv = NULL;\r | |
1188 | ShellParameters->Argc = *OldArgc;\r | |
1189 | *OldArgc = 0;\r | |
1190 | }\r |