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